/* roulang page: index */
:root {
            --primary: #22302B;
            --primary-light: #3E5F50;
            --accent: #B5793F;
            --accent-hover: #9A6534;
            --accent-soft: #E5D3C0;
            --warm-bg: #F6F3EE;
            --sand-bg: #E9E1D5;
            --card-bg: #FFFFFF;
            --card-bg-soft: #FBF9F6;
            --text-main: #202322;
            --text-secondary: #6E675E;
            --border-light: #D8D1C6;
            --success: #3E5F50;
            --danger: #A74A35;
            --radius-sm: 8px;
            --radius-md: 10px;
            --radius-lg: 12px;
            --radius-pill: 50px;
            --shadow-card: 0 8px 20px rgba(34, 48, 43, 0.06);
            --shadow-hover: 0 12px 28px rgba(34, 48, 43, 0.12);
            --transition-base: all 0.28s ease;
            --font-serif: "Noto Serif SC", "Songti SC", "STSong", Georgia, serif;
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
            --section-padding: 80px;
            --section-padding-mobile: 48px;
            --container-max: 1200px;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-main);
            background-color: var(--warm-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--font-serif);
            font-weight: 600;
            line-height: 1.35;
            color: var(--primary);
            letter-spacing: 0.02em;
        }

        p {
            line-height: 1.8;
            color: var(--text-main);
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition-base);
        }

        a:hover {
            color: var(--accent);
            text-decoration: none;
        }

        a:focus,
        button:focus,
        input:focus,
        select:focus,
        textarea:focus {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
            box-shadow: none;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        .container {
            max-width: var(--container-max);
            padding-left: 24px;
            padding-right: 24px;
        }

        /* 导航面板 */
        .navbar-custom {
            padding: 16px 24px;
            background-color: rgba(255, 255, 255, 0.92);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            margin: 16px auto 8px;
            max-width: var(--container-max);
            position: sticky;
            top: 12px;
            z-index: 1050;
            border: 1px solid var(--border-light);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
        }

        .navbar-custom .navbar-brand {
            font-family: var(--font-serif);
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 0.04em;
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 4px 0;
        }

        .navbar-custom .navbar-brand .brand-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            border-radius: 8px;
            background: linear-gradient(135deg, var(--accent), var(--accent-hover));
            color: #fff;
            font-size: 1rem;
            font-weight: 700;
            font-family: var(--font-sans);
        }

        .navbar-custom .navbar-brand:hover {
            color: var(--primary);
        }

        .navbar-custom .navbar-toggler {
            border: none;
            padding: 8px;
            background: transparent;
            color: var(--primary);
            font-size: 1.5rem;
            box-shadow: none;
        }

        .navbar-custom .navbar-toggler:focus {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
            box-shadow: none;
        }

        .navbar-custom .navbar-nav {
            gap: 10px;
            align-items: center;
        }

        .navbar-custom .nav-item {
            display: inline-flex;
        }

        .navbar-custom .nav-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-family: var(--font-sans);
            font-size: 0.875rem;
            font-weight: 500;
            color: var(--text-main);
            padding: 10px 18px;
            border-radius: var(--radius-md);
            background-color: var(--card-bg-soft);
            border: 1px solid var(--border-light);
            transition: var(--transition-base);
            white-space: nowrap;
            letter-spacing: 0.02em;
            position: relative;
        }

        .navbar-custom .nav-link:hover {
            color: var(--accent);
            border-color: var(--accent);
            background-color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(34, 48, 43, 0.08);
        }

        .navbar-custom .nav-link.active {
            color: #fff;
            background-color: var(--primary);
            border-color: var(--primary);
            box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.1);
            border-left: 3px solid var(--accent);
        }

        .navbar-custom .nav-link .nav-num {
            font-size: 0.7rem;
            color: var(--text-secondary);
            background-color: var(--sand-bg);
            border-radius: 50%;
            width: 22px;
            height: 22px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-weight: 600;
            transition: var(--transition-base);
        }

        .navbar-custom .nav-link:hover .nav-num,
        .navbar-custom .nav-link.active .nav-num {
            background-color: var(--accent);
            color: #fff;
        }

        .navbar-cta {
            font-family: var(--font-sans);
            font-size: 0.875rem;
            font-weight: 600;
            padding: 12px 24px;
            border-radius: var(--radius-pill);
            background-color: var(--accent);
            color: #fff;
            border: none;
            white-space: nowrap;
            transition: var(--transition-base);
            letter-spacing: 0.03em;
            text-align: center;
        }

        .navbar-cta:hover {
            background-color: var(--accent-hover);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
        }

        @media (max-width: 991.98px) {
            .navbar-custom {
                margin: 8px 12px;
                padding: 12px 16px;
                border-radius: var(--radius-md);
            }

            .navbar-custom .navbar-collapse {
                margin-top: 12px;
                padding-top: 12px;
                border-top: 1px solid var(--border-light);
            }

            .navbar-custom .navbar-nav {
                gap: 8px;
                flex-direction: column;
                align-items: stretch;
            }

            .navbar-custom .nav-link {
                justify-content: space-between;
                width: 100%;
            }

            .navbar-cta {
                width: 100%;
                text-align: center;
                margin-top: 8px;
            }
        }

        @media (max-width: 575.98px) {
            .navbar-custom .nav-link {
                font-size: 0.82rem;
                padding: 10px 14px;
            }
        }

        /* Hero 指标看板 */
        .hero-section {
            position: relative;
            padding: 48px 0 80px;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            border-radius: 0 0 0 0;
            min-height: 560px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .hero-section::after {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(135deg, rgba(34, 48, 43, 0.88) 0%, rgba(34, 48, 43, 0.72) 50%, rgba(34, 48, 43, 0.88) 100%);
            z-index: 1;
        }

        .hero-section .container {
            position: relative;
            z-index: 2;
        }

        .hero-title {
            font-size: clamp(2rem, 4.5vw, 2.75rem);
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.04em;
            margin-bottom: 16px;
            text-shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
        }

        .hero-subtitle {
            font-size: 1.15rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.85);
            max-width: 760px;
            margin-bottom: 32px;
            text-shadow: 0 1px 6px rgba(0, 0, 0, 0.2);
        }

        .hero-metrics {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
            margin-bottom: 24px;
        }

        .metric-card {
            background-color: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(6px);
            border-radius: var(--radius-md);
            padding: 20px 22px;
            border: 1px solid rgba(255, 255, 255, 0.5);
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.18);
            transition: var(--transition-base);
        }

        .metric-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 28px rgba(0, 0, 0, 0.24);
        }

        .metric-number {
            font-family: Georgia, var(--font-serif);
            font-size: clamp(2.2rem, 4vw, 3rem);
            line-height: 1.1;
            font-weight: 700;
            color: var(--accent);
            letter-spacing: 0.02em;
            margin-bottom: 6px;
        }

        .metric-label {
            font-size: 0.85rem;
            color: var(--text-secondary);
            letter-spacing: 1px;
            text-transform: uppercase;
            font-weight: 500;
        }

        .hero-note {
            color: rgba(255, 255, 255, 0.78);
            font-size: 0.95rem;
            letter-spacing: 0.03em;
        }

        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            margin-top: 8px;
        }

        .btn-primary-custom {
            background-color: var(--accent);
            color: #fff;
            border: none;
            padding: 14px 32px;
            border-radius: var(--radius-pill);
            font-weight: 600;
            font-size: 1rem;
            font-family: var(--font-sans);
            letter-spacing: 0.04em;
            transition: var(--transition-base);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-primary-custom:hover {
            background-color: var(--accent-hover);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
        }

        .btn-outline-custom {
            background-color: transparent;
            color: #fff;
            border: 1.5px solid rgba(255, 255, 255, 0.7);
            padding: 13px 32px;
            border-radius: var(--radius-pill);
            font-weight: 600;
            font-size: 1rem;
            font-family: var(--font-sans);
            letter-spacing: 0.04em;
            transition: var(--transition-base);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-outline-custom:hover {
            background-color: rgba(255, 255, 255, 0.12);
            border-color: #fff;
            color: #fff;
            transform: translateY(-2px);
        }

        @media (max-width: 991.98px) {
            .hero-metrics {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .hero-section {
                min-height: 480px;
                padding: 40px 0 64px;
            }
        }

        @media (max-width: 575.98px) {
            .hero-metrics {
                grid-template-columns: 1fr;
                gap: 10px;
            }
            .metric-card {
                padding: 16px 18px;
            }
            .hero-section {
                min-height: auto;
                padding: 32px 0 48px;
            }
            .hero-title {
                font-size: 1.7rem;
            }
            .hero-subtitle {
                font-size: 1rem;
            }
        }

        /* 通用 section */
        .section-block {
            padding: var(--section-padding) 0;
        }

        .section-block-alt {
            background-color: var(--sand-bg);
            padding: var(--section-padding) 0;
        }

        .section-label {
            display: inline-block;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 2px;
            text-transform: uppercase;
            color: var(--accent);
            margin-bottom: 12px;
            font-family: var(--font-sans);
        }

        .section-title {
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            font-weight: 700;
            margin-bottom: 12px;
            letter-spacing: 0.03em;
        }

        .section-desc {
            font-size: 1rem;
            line-height: 1.8;
            color: var(--text-secondary);
            max-width: 760px;
            margin-bottom: 36px;
        }

        @media (max-width: 767.98px) {
            .section-block,
            .section-block-alt {
                padding: var(--section-padding-mobile) 0;
            }
        }

        /* 服务矩阵 */
        .service-matrix {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr 1fr;
            gap: 24px;
            align-items: start;
        }

        .service-main-card {
            background-color: var(--primary);
            border-radius: var(--radius-lg);
            padding: 36px 32px;
            color: #fff;
            border: 1px solid var(--primary);
            box-shadow: var(--shadow-card);
            min-height: 340px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .service-main-card .svc-num {
            font-family: var(--font-serif);
            font-size: 2.4rem;
            color: var(--accent);
            font-weight: 700;
            line-height: 1;
            display: block;
            margin-bottom: 16px;
        }

        .service-main-card h3 {
            color: #fff;
            font-size: 1.4rem;
            margin-bottom: 12px;
        }

        .service-main-card p {
            color: rgba(255, 255, 255, 0.78);
            font-size: 0.95rem;
            line-height: 1.75;
            margin-bottom: 20px;
        }

        .service-list-col {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .service-list-item {
            background-color: var(--card-bg);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            display: flex;
            align-items: center;
            gap: 16px;
            transition: var(--transition-base);
            box-shadow: 0 2px 8px rgba(34, 48, 43, 0.04);
        }

        .service-list-item:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }

        .service-list-item .svc-icon {
            width: 46px;
            height: 46px;
            border-radius: 10px;
            background-color: var(--accent-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-size: 1.2rem;
            color: var(--accent-hover);
        }

        .service-list-item .svc-text h4 {
            font-size: 1.05rem;
            font-weight: 600;
            margin-bottom: 4px;
            font-family: var(--font-sans);
        }

        .service-list-item .svc-text p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            margin-bottom: 0;
            line-height: 1.55;
        }

        .service-image-card {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            min-height: 300px;
            box-shadow: var(--shadow-card);
        }

        .service-image-card img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 300px;
        }

        .service-image-card .img-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 28px 24px;
            background: linear-gradient(0deg, rgba(34, 48, 43, 0.9) 0%, rgba(34, 48, 43, 0.4) 60%, transparent 100%);
            color: #fff;
        }

        .service-image-card .img-overlay h4 {
            color: #fff;
            font-size: 1.2rem;
            margin-bottom: 6px;
        }

        .service-image-card .img-overlay p {
            color: rgba(255, 255, 255, 0.85);
            font-size: 0.88rem;
            margin-bottom: 0;
            line-height: 1.55;
        }

        @media (max-width: 991.98px) {
            .service-matrix {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .service-main-card {
                min-height: auto;
            }
            .service-image-card {
                min-height: 220px;
            }
            .service-image-card img {
                min-height: 220px;
            }
        }

        /* 结果对比 */
        .comparison-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .compare-card {
            background-color: var(--card-bg);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            position: relative;
            transition: var(--transition-base);
            box-shadow: 0 2px 8px rgba(34, 48, 43, 0.04);
        }

        .compare-card:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }

        .compare-card .compare-before {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin-bottom: 12px;
            font-weight: 500;
        }

        .compare-card .compare-before .badge-before {
            background-color: #f0e8dd;
            color: #8a6a45;
            padding: 4px 10px;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 600;
        }

        .compare-card .compare-after {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.05rem;
            color: var(--success);
            margin-bottom: 16px;
            font-weight: 600;
        }

        .compare-card .compare-after .badge-after {
            background-color: #e8f0eb;
            color: var(--success);
            padding: 4px 10px;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 600;
        }

        .compare-card .compare-delta {
            font-size: 2rem;
            font-weight: 700;
            color: var(--accent);
            font-family: Georgia, var(--font-serif);
            line-height: 1;
        }

        .compare-card .compare-label {
            font-size: 0.88rem;
            color: var(--text-secondary);
            margin-top: 8px;
        }

        @media (max-width: 991.98px) {
            .comparison-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
        }

        /* FAQ */
        .accordion-custom .accordion-item {
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md) !important;
            margin-bottom: 12px;
            overflow: hidden;
            background-color: var(--card-bg-soft);
            box-shadow: 0 2px 6px rgba(34, 48, 43, 0.03);
        }

        .accordion-custom .accordion-item:first-of-type,
        .accordion-custom .accordion-item:last-of-type {
            border-radius: var(--radius-md) !important;
        }

        .accordion-custom .accordion-button {
            font-family: var(--font-sans);
            font-size: 0.98rem;
            font-weight: 600;
            color: var(--primary);
            background-color: var(--card-bg-soft);
            padding: 18px 24px;
            border: none;
            box-shadow: none;
            letter-spacing: 0.01em;
            transition: var(--transition-base);
        }

        .accordion-custom .accordion-button:not(.collapsed) {
            background-color: #fff;
            color: var(--primary);
            box-shadow: none;
            border-left: 3px solid var(--accent);
        }

        .accordion-custom .accordion-button::after {
            background-image: none;
            content: "+";
            font-size: 1.5rem;
            font-weight: 400;
            color: var(--accent);
            width: 24px;
            height: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            line-height: 1;
        }

        .accordion-custom .accordion-button:not(.collapsed)::after {
            content: "−";
            color: var(--accent-hover);
        }

        .accordion-custom .accordion-button:focus {
            outline: 2px solid var(--accent);
            outline-offset: -2px;
            box-shadow: none;
        }

        .accordion-custom .accordion-body {
            background-color: #fff;
            padding: 20px 24px;
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.7;
            border-top: 1px solid var(--border-light);
        }

        /* CTA 表单区 */
        .cta-form-section {
            background-color: var(--primary);
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            color: #fff;
            box-shadow: var(--shadow-card);
            position: relative;
            overflow: hidden;
        }

        .cta-form-section::before {
            content: "";
            position: absolute;
            top: -60px;
            right: -40px;
            width: 240px;
            height: 240px;
            border-radius: 50%;
            background-color: rgba(181, 121, 63, 0.18);
            z-index: 0;
        }

        .cta-form-section .container-inner {
            position: relative;
            z-index: 1;
        }

        .cta-form-section h2 {
            color: #fff;
            font-size: 1.7rem;
            margin-bottom: 10px;
        }

        .cta-form-section p {
            color: rgba(255, 255, 255, 0.78);
            font-size: 0.95rem;
            margin-bottom: 28px;
        }

        .form-control-custom {
            background-color: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.22);
            border-radius: var(--radius-sm);
            padding: 14px 18px;
            color: #fff;
            font-size: 0.95rem;
            transition: var(--transition-base);
            width: 100%;
            font-family: var(--font-sans);
        }

        .form-control-custom::placeholder {
            color: rgba(255, 255, 255, 0.45);
        }

        .form-control-custom:focus {
            background-color: rgba(255, 255, 255, 0.1);
            border-color: var(--accent);
            outline: 2px solid var(--accent);
            outline-offset: 0;
            box-shadow: none;
            color: #fff;
        }

        .form-label-custom {
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.05em;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 8px;
            display: block;
            font-family: var(--font-sans);
        }

        .btn-submit-custom {
            background-color: var(--accent);
            color: #fff;
            border: none;
            padding: 15px 36px;
            border-radius: var(--radius-pill);
            font-weight: 600;
            font-size: 1rem;
            font-family: var(--font-sans);
            letter-spacing: 0.04em;
            transition: var(--transition-base);
            width: 100%;
        }

        .btn-submit-custom:hover {
            background-color: var(--accent-hover);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.25);
        }

        @media (max-width: 575.98px) {
            .cta-form-section {
                padding: 32px 20px;
            }
        }

        /* footer */
        .footer-custom {
            background-color: var(--primary);
            color: rgba(255, 255, 255, 0.8);
            padding: 56px 0 28px;
            margin-top: 24px;
        }

        .footer-custom .footer-brand {
            font-family: var(--font-serif);
            font-size: 1.4rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.05em;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .footer-custom .footer-brand .brand-mark-footer {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background-color: var(--accent);
            color: #fff;
            font-size: 0.9rem;
            font-weight: 700;
            font-family: var(--font-sans);
        }

        .footer-custom .footer-desc {
            font-size: 0.9rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.6);
            max-width: 320px;
            margin-bottom: 20px;
        }

        .footer-custom .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-custom .footer-links li {
            margin-bottom: 10px;
        }

        .footer-custom .footer-links a {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.9rem;
            transition: var(--transition-base);
        }

        .footer-custom .footer-links a:hover {
            color: var(--accent);
            padding-left: 4px;
        }

        .footer-custom .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            margin-top: 40px;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.45);
        }

        .footer-custom .footer-bottom a {
            color: rgba(255, 255, 255, 0.6);
        }

        .footer-custom .footer-bottom a:hover {
            color: var(--accent);
        }

        /* 其他组件 */
        .chip-list {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 24px;
        }

        .chip {
            padding: 8px 18px;
            border-radius: var(--radius-pill);
            background-color: var(--card-bg);
            border: 1px solid var(--border-light);
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--text-main);
            transition: var(--transition-base);
        }

        .chip:hover {
            border-color: var(--accent);
            color: var(--accent);
            cursor: default;
        }

        .divider-accent {
            width: 48px;
            height: 3px;
            background-color: var(--accent);
            border-radius: 2px;
            margin-bottom: 16px;
        }

        .text-accent {
            color: var(--accent);
        }

        .bg-sand {
            background-color: var(--sand-bg);
        }

/* roulang page: category2 */
:root {
            --primary: #22302B;
            --primary-light: #3E5F50;
            --accent: #B5793F;
            --accent-hover: #9A6534;
            --accent-soft: #E5D3C0;
            --warm-bg: #F6F3EE;
            --sand-bg: #E9E1D5;
            --card-bg: #FFFFFF;
            --card-bg-soft: #FBF9F6;
            --text-main: #202322;
            --text-secondary: #6E675E;
            --border-light: #D8D1C6;
            --success: #3E5F50;
            --danger: #A74A35;
            --radius-sm: 8px;
            --radius-md: 10px;
            --radius-lg: 12px;
            --radius-pill: 50px;
            --shadow-card: 0 8px 20px rgba(34, 48, 43, 0.06);
            --shadow-hover: 0 12px 28px rgba(34, 48, 43, 0.12);
            --transition-base: all 0.28s ease;
            --font-serif: "Noto Serif SC", "Songti SC", "STSong", Georgia, serif;
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
            --section-padding: 80px;
            --section-padding-mobile: 48px;
            --container-max: 1200px;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-main);
            background-color: var(--warm-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition-base);
        }
        a:hover {
            color: var(--accent);
            text-decoration: none;
        }
        a:focus,
        button:focus,
        input:focus,
        select:focus,
        textarea:focus {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
            box-shadow: none;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        .container {
            max-width: var(--container-max);
            padding-left: 24px;
            padding-right: 24px;
        }

        /* 导航面板 */
        .navbar-custom {
            padding: 16px 24px;
            background-color: rgba(255, 255, 255, 0.94);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            margin: 16px auto 8px;
            max-width: var(--container-max);
            position: sticky;
            top: 12px;
            z-index: 1050;
            border: 1px solid var(--border-light);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
        }
        .navbar-custom .navbar-brand {
            font-family: var(--font-serif);
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 0.04em;
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 4px 0;
        }
        .navbar-custom .navbar-brand .brand-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            border-radius: 8px;
            background: linear-gradient(135deg, var(--accent), var(--accent-hover));
            color: #fff;
            font-size: 1rem;
            font-weight: 700;
            font-family: var(--font-sans);
        }
        .navbar-custom .navbar-brand:hover {
            color: var(--primary);
        }
        .navbar-custom .navbar-toggler {
            border: none;
            padding: 8px;
            background: transparent;
            color: var(--primary);
            font-size: 1.5rem;
            box-shadow: none;
        }
        .navbar-custom .navbar-toggler:focus {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
            box-shadow: none;
        }
        .navbar-custom .navbar-nav {
            gap: 10px;
            align-items: center;
        }
        .navbar-custom .nav-item {
            display: inline-flex;
        }
        .navbar-custom .nav-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-family: var(--font-sans);
            font-size: 0.875rem;
            font-weight: 500;
            color: var(--text-main);
            padding: 10px 18px;
            border-radius: var(--radius-md);
            background-color: var(--card-bg-soft);
            border: 1px solid var(--border-light);
            transition: var(--transition-base);
            white-space: nowrap;
            letter-spacing: 0.02em;
            position: relative;
        }
        .navbar-custom .nav-link:hover {
            color: var(--accent);
            border-color: var(--accent);
            background-color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(34, 48, 43, 0.08);
        }
        .navbar-custom .nav-link.active {
            color: #fff;
            background-color: var(--primary);
            border-color: var(--primary);
            box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.1);
            border-left: 3px solid var(--accent);
        }
        .navbar-custom .nav-link .nav-num {
            font-size: 0.7rem;
            color: var(--text-secondary);
            background-color: var(--sand-bg);
            border-radius: 50%;
            width: 22px;
            height: 22px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-weight: 600;
            transition: var(--transition-base);
        }
        .navbar-custom .nav-link:hover .nav-num,
        .navbar-custom .nav-link.active .nav-num {
            background-color: var(--accent);
            color: #fff;
        }
        .navbar-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-family: var(--font-sans);
            font-size: 0.875rem;
            font-weight: 600;
            color: #fff;
            background-color: var(--accent);
            border: none;
            border-radius: var(--radius-pill);
            padding: 10px 22px;
            transition: var(--transition-base);
            white-space: nowrap;
            letter-spacing: 0.02em;
        }
        .navbar-cta:hover {
            background-color: var(--accent-hover);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 6px 16px rgba(181, 121, 63, 0.3);
        }
        .navbar-cta:focus {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
            box-shadow: none;
        }

        /* Offcanvas 移动端 */
        .offcanvas-custom {
            background-color: var(--warm-bg);
            border-left: 1px solid var(--border-light);
        }
        .offcanvas-custom .offcanvas-header {
            border-bottom: 1px solid var(--border-light);
            padding: 16px 20px;
            background-color: #fff;
        }
        .offcanvas-custom .offcanvas-title {
            font-family: var(--font-serif);
            font-weight: 700;
            color: var(--primary);
        }
        .offcanvas-custom .btn-close {
            filter: none;
            opacity: 0.7;
        }
        .offcanvas-mobile-nav {
            list-style: none;
            padding: 12px 0;
            margin: 0;
        }
        .offcanvas-mobile-nav li a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 14px 20px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-main);
            border-bottom: 1px solid rgba(216, 209, 198, 0.4);
            transition: var(--transition-base);
        }
        .offcanvas-mobile-nav li a:hover,
        .offcanvas-mobile-nav li a.active {
            color: var(--accent);
            background-color: rgba(181, 121, 63, 0.06);
            border-left: 3px solid var(--accent);
        }
        .offcanvas-mobile-nav li a .nav-num {
            font-size: 0.7rem;
            color: var(--text-secondary);
            background-color: var(--sand-bg);
            border-radius: 50%;
            width: 24px;
            height: 24px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-weight: 600;
        }

        /* 面包屑 */
        .breadcrumb-custom {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 20px 0 0;
            margin: 0;
            list-style: none;
            font-size: 0.875rem;
            color: var(--text-secondary);
        }
        .breadcrumb-custom a {
            color: var(--text-secondary);
            transition: var(--transition-base);
        }
        .breadcrumb-custom a:hover {
            color: var(--accent);
        }
        .breadcrumb-custom .separator {
            color: var(--border-light);
        }
        .breadcrumb-custom .current {
            color: var(--primary);
            font-weight: 600;
        }

        /* 页头区 */
        .page-header-custom {
            padding: 32px 0 24px;
        }
        .page-header-custom h1 {
            font-family: var(--font-serif);
            font-size: 2.4rem;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.35;
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }
        .page-header-custom .lead {
            font-size: 1.05rem;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 720px;
        }

        /* 横向指标条 */
        .metric-strip {
            background: var(--primary);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            margin-bottom: 32px;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
            box-shadow: var(--shadow-card);
        }
        .metric-strip-item {
            text-align: center;
            padding: 12px 8px;
            border-right: 1px solid rgba(255, 255, 255, 0.1);
            transition: var(--transition-base);
        }
        .metric-strip-item:last-child {
            border-right: none;
        }
        .metric-strip-item .metric-value {
            font-family: Georgia, var(--font-serif);
            font-size: 2rem;
            font-weight: 700;
            color: var(--accent-soft);
            line-height: 1.2;
            letter-spacing: 0.01em;
        }
        .metric-strip-item .metric-label {
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.7);
            letter-spacing: 1px;
            margin-top: 6px;
            text-transform: uppercase;
        }
        .metric-strip-item:hover {
            transform: translateY(-3px);
        }
        .metric-strip-item:hover .metric-value {
            color: #fff;
        }

        /* 筛选标签 */
        .filter-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 28px;
        }
        .filter-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            border-radius: var(--radius-pill);
            border: 1px solid var(--border-light);
            background-color: #fff;
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--text-secondary);
            cursor: pointer;
            transition: var(--transition-base);
            user-select: none;
        }
        .filter-tag:hover {
            border-color: var(--accent);
            color: var(--accent);
            background-color: rgba(181, 121, 63, 0.05);
        }
        .filter-tag.active {
            border-color: var(--accent);
            background-color: var(--accent);
            color: #fff;
            font-weight: 600;
        }

        /* 列表型卡片 */
        .trend-list-card {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 18px 20px;
            margin-bottom: 14px;
            display: flex;
            align-items: center;
            gap: 16px;
            transition: var(--transition-base);
            box-shadow: 0 2px 8px rgba(34, 48, 43, 0.03);
        }
        .trend-list-card:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }
        .trend-list-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-md);
            background-color: var(--card-bg-soft);
            border: 1px solid var(--border-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--accent);
            flex-shrink: 0;
            transition: var(--transition-base);
        }
        .trend-list-card:hover .trend-list-icon {
            background-color: var(--accent-soft);
            border-color: var(--accent);
            transform: scale(1.05);
        }
        .trend-list-content {
            flex: 1;
            min-width: 0;
        }
        .trend-list-content h3 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--primary);
            margin: 0 0 4px;
            letter-spacing: 0.01em;
        }
        .trend-list-content p {
            font-size: 0.875rem;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.6;
        }
        .trend-list-value {
            text-align: right;
            flex-shrink: 0;
        }
        .trend-list-value .number {
            font-family: Georgia, var(--font-serif);
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--accent);
            line-height: 1.2;
        }
        .trend-list-value .trend-badge {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 2px 10px;
            border-radius: var(--radius-pill);
            margin-top: 4px;
        }
        .trend-badge.up {
            color: var(--success);
            background-color: rgba(62, 95, 80, 0.1);
        }
        .trend-badge.down {
            color: var(--danger);
            background-color: rgba(167, 74, 53, 0.1);
        }
        .trend-badge.flat {
            color: var(--text-secondary);
            background-color: rgba(110, 103, 94, 0.1);
        }

        /* 侧边辅助卡 */
        .side-card {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow-card);
            margin-bottom: 20px;
        }
        .side-card h3 {
            font-family: var(--font-serif);
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 12px;
        }
        .side-card .side-img {
            border-radius: var(--radius-md);
            overflow: hidden;
            margin-bottom: 14px;
        }
        .side-card .side-img img {
            width: 100%;
            height: 160px;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .side-card .side-img:hover img {
            transform: scale(1.04);
        }
        .side-card p {
            font-size: 0.875rem;
            color: var(--text-secondary);
            margin-bottom: 14px;
            line-height: 1.7;
        }
        .side-card .mini-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--accent);
            transition: var(--transition-base);
        }
        .side-card .mini-link:hover {
            color: var(--accent-hover);
            gap: 10px;
        }

        /* 占位块 */
        .sticky-side {
            position: sticky;
            top: 100px;
        }

        /* 深色 CTA 区块 */
        .cta-section {
            background-color: var(--primary);
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            margin-top: 32px;
            margin-bottom: 32px;
            position: relative;
            overflow: hidden;
        }
        .cta-section::after {
            content: "";
            position: absolute;
            top: -40%;
            right: -10%;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(181, 121, 63, 0.18), transparent 70%);
            pointer-events: none;
        }
        .cta-section h2 {
            font-family: var(--font-serif);
            font-size: 1.8rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            position: relative;
            z-index: 1;
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.75);
            font-size: 0.95rem;
            margin-bottom: 28px;
            position: relative;
            z-index: 1;
            max-width: 600px;
        }
        .cta-form .form-label {
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.7);
            letter-spacing: 0.8px;
            font-weight: 500;
            text-transform: uppercase;
        }
        .cta-form .form-control,
        .cta-form .form-select {
            border-radius: var(--radius-sm);
            border: 1px solid rgba(255, 255, 255, 0.2);
            background-color: rgba(255, 255, 255, 0.08);
            color: #fff;
            padding: 10px 16px;
            font-size: 0.95rem;
            transition: var(--transition-base);
            box-shadow: none;
        }
        .cta-form .form-control::placeholder {
            color: rgba(255, 255, 255, 0.4);
        }
        .cta-form .form-control:focus,
        .cta-form .form-select:focus {
            border-color: var(--accent);
            background-color: rgba(255, 255, 255, 0.12);
            box-shadow: 0 0 0 3px rgba(181, 121, 63, 0.2);
        }
        .cta-form .form-select option {
            color: var(--text-main);
            background-color: #fff;
        }
        .btn-accent-submit {
            background-color: var(--accent);
            color: #fff;
            border: none;
            border-radius: var(--radius-sm);
            padding: 12px 32px;
            font-size: 0.95rem;
            font-weight: 600;
            letter-spacing: 0.02em;
            transition: var(--transition-base);
            cursor: pointer;
        }
        .btn-accent-submit:hover {
            background-color: var(--accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(181, 121, 63, 0.35);
            color: #fff;
        }

        /* FAQ */
        .faq-section {
            padding: 32px 0;
        }
        .faq-section h2 {
            font-family: var(--font-serif);
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 24px;
        }
        .accordion-custom .accordion-item {
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md) !important;
            background-color: #fff;
            margin-bottom: 10px;
            overflow: hidden;
            box-shadow: 0 2px 6px rgba(34, 48, 43, 0.04);
        }
        .accordion-custom .accordion-button {
            background-color: #fff;
            color: var(--primary);
            font-weight: 600;
            font-size: 0.95rem;
            padding: 16px 20px;
            border: none;
            box-shadow: none;
            border-radius: var(--radius-md) !important;
            transition: var(--transition-base);
        }
        .accordion-custom .accordion-button:not(.collapsed) {
            background-color: var(--card-bg-soft);
            color: var(--accent);
            box-shadow: none;
        }
        .accordion-custom .accordion-button:focus {
            outline: 2px solid var(--accent);
            outline-offset: -2px;
            box-shadow: none;
        }
        .accordion-custom .accordion-button::after {
            filter: sepia(0.4) hue-rotate(-10deg) saturate(1.8);
            opacity: 0.7;
        }
        .accordion-custom .accordion-body {
            background-color: var(--card-bg-soft);
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.8;
            padding: 16px 20px;
            border-top: 1px solid rgba(216, 209, 198, 0.5);
        }

        /* 页脚 */
        .footer-custom {
            background-color: var(--primary);
            color: rgba(255, 255, 255, 0.7);
            padding: 48px 0 24px;
            margin-top: 32px;
            border-radius: var(--radius-lg) var(--radius-lg) 0 0;
        }
        .footer-brand {
            font-family: var(--font-serif);
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 12px;
        }
        .brand-mark-footer {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background: linear-gradient(135deg, var(--accent), var(--accent-hover));
            color: #fff;
            font-size: 0.9rem;
            font-weight: 700;
        }
        .footer-desc {
            font-size: 0.9rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.6);
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links li {
            margin-bottom: 8px;
        }
        .footer-links a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.9rem;
            transition: var(--transition-base);
        }
        .footer-links a:hover {
            color: var(--accent-soft);
            padding-left: 4px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 18px;
            margin-top: 28px;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.45);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.45);
        }
        .footer-bottom a:hover {
            color: var(--accent-soft);
        }

        /* 响应式 */
        @media (max-width: 991.98px) {
            .navbar-custom {
                margin: 10px 12px 6px;
                padding: 12px 16px;
            }
            .navbar-custom .navbar-collapse {
                display: none;
            }
            .metric-strip {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
                padding: 20px 16px;
            }
            .metric-strip-item {
                border-right: none;
                border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            }
            .metric-strip-item:nth-child(3),
            .metric-strip-item:nth-child(4) {
                border-bottom: none;
            }
            .page-header-custom h1 {
                font-size: 1.8rem;
            }
        }

        @media (max-width: 767.98px) {
            :root {
                --section-padding: 48px;
                --section-padding-mobile: 36px;
            }
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .page-header-custom h1 {
                font-size: 1.5rem;
            }
            .page-header-custom .lead {
                font-size: 0.95rem;
            }
            .metric-strip {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
                padding: 14px 12px;
            }
            .metric-strip-item .metric-value {
                font-size: 1.5rem;
            }
            .metric-strip-item .metric-label {
                font-size: 0.7rem;
            }
            .trend-list-card {
                padding: 14px 14px;
                gap: 12px;
                flex-wrap: wrap;
            }
            .trend-list-icon {
                width: 40px;
                height: 40px;
                font-size: 1.1rem;
            }
            .trend-list-value {
                text-align: left;
                width: 100%;
                padding-left: 52px;
                display: flex;
                align-items: center;
                gap: 10px;
            }
            .trend-list-value .number {
                font-size: 1.2rem;
            }
            .cta-section {
                padding: 32px 20px;
                margin-top: 20px;
            }
            .cta-section h2 {
                font-size: 1.4rem;
            }
            .footer-custom {
                padding: 32px 0 18px;
                border-radius: var(--radius-md) var(--radius-md) 0 0;
            }
            .sticky-side {
                position: static;
            }
        }

        @media (max-width: 519.98px) {
            .metric-strip {
                grid-template-columns: 1fr;
                gap: 4px;
            }
            .metric-strip-item {
                border-bottom: 1px solid rgba(255, 255, 255, 0.08);
                padding: 8px 4px;
            }
            .metric-strip-item:last-child {
                border-bottom: none;
            }
            .filter-tags {
                gap: 6px;
            }
            .filter-tag {
                padding: 6px 12px;
                font-size: 0.75rem;
            }
            .trend-list-card {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }
            .trend-list-value {
                padding-left: 0;
                width: 100%;
                text-align: left;
            }
            .breadcrumb-custom {
                font-size: 0.75rem;
                flex-wrap: wrap;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #22302B;
            --primary-light: #3E5F50;
            --accent: #B5793F;
            --accent-hover: #9A6534;
            --accent-soft: #E5D3C0;
            --warm-bg: #F6F3EE;
            --sand-bg: #E9E1D5;
            --card-bg: #FFFFFF;
            --card-bg-soft: #FBF9F6;
            --text-main: #202322;
            --text-secondary: #6E675E;
            --border-light: #D8D1C6;
            --success: #3E5F50;
            --danger: #A74A35;
            --radius-sm: 8px;
            --radius-md: 10px;
            --radius-lg: 12px;
            --radius-pill: 50px;
            --shadow-card: 0 8px 20px rgba(34, 48, 43, 0.06);
            --shadow-hover: 0 12px 28px rgba(34, 48, 43, 0.12);
            --transition-base: all 0.28s ease;
            --font-serif: "Noto Serif SC", "Songti SC", "STSong", Georgia, serif;
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
            --section-padding: 80px;
            --section-padding-mobile: 48px;
            --container-max: 1200px;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-main);
            background-color: var(--warm-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition-base);
        }
        a:hover {
            color: var(--accent);
            text-decoration: none;
        }
        a:focus,
        button:focus,
        input:focus,
        select:focus,
        textarea:focus {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
            box-shadow: none;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        .container {
            max-width: var(--container-max);
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ======= 导航面板 ======= */
        .navbar-custom {
            padding: 16px 24px;
            background-color: rgba(255, 255, 255, 0.92);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            margin: 16px auto 8px;
            max-width: var(--container-max);
            position: sticky;
            top: 12px;
            z-index: 1050;
            border: 1px solid var(--border-light);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
        }
        .navbar-custom .navbar-brand {
            font-family: var(--font-serif);
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 0.04em;
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 4px 0;
        }
        .navbar-custom .navbar-brand .brand-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            border-radius: 8px;
            background: linear-gradient(135deg, var(--accent), var(--accent-hover));
            color: #fff;
            font-size: 1rem;
            font-weight: 700;
            font-family: var(--font-sans);
        }
        .navbar-custom .navbar-brand:hover {
            color: var(--primary);
        }
        .navbar-custom .navbar-toggler {
            border: none;
            padding: 8px;
            background: transparent;
            color: var(--primary);
            font-size: 1.5rem;
            box-shadow: none;
        }
        .navbar-custom .navbar-toggler:focus {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
            box-shadow: none;
        }
        .navbar-custom .navbar-nav {
            gap: 10px;
            align-items: center;
        }
        .navbar-custom .nav-item {
            display: inline-flex;
        }
        .navbar-custom .nav-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-family: var(--font-sans);
            font-size: 0.875rem;
            font-weight: 500;
            color: var(--text-main);
            padding: 10px 16px;
            border-radius: var(--radius-md);
            background-color: var(--card-bg-soft);
            border: 1px solid var(--border-light);
            transition: var(--transition-base);
            white-space: nowrap;
            letter-spacing: 0.02em;
            position: relative;
        }
        .navbar-custom .nav-link:hover {
            color: var(--accent);
            border-color: var(--accent);
            background-color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(34, 48, 43, 0.08);
        }
        .navbar-custom .nav-link.active {
            color: #fff;
            background-color: var(--primary);
            border-color: var(--primary);
            box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.1);
            border-left: 3px solid var(--accent);
        }
        .navbar-custom .nav-link .nav-num {
            font-size: 0.7rem;
            color: var(--text-secondary);
            background-color: var(--sand-bg);
            border-radius: 50%;
            width: 22px;
            height: 22px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-weight: 600;
            transition: var(--transition-base);
        }
        .navbar-custom .nav-link:hover .nav-num,
        .navbar-custom .nav-link.active .nav-num {
            background-color: var(--accent);
            color: #fff;
        }
        .navbar-cta {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-family: var(--font-sans);
            font-size: 0.9rem;
            font-weight: 600;
            color: #fff;
            background-color: var(--accent);
            border: none;
            border-radius: var(--radius-md);
            padding: 10px 22px;
            letter-spacing: 0.03em;
            transition: var(--transition-base);
            white-space: nowrap;
            box-shadow: 0 4px 14px rgba(181, 121, 63, 0.3);
        }
        .navbar-cta:hover {
            background-color: var(--accent-hover);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(181, 121, 63, 0.4);
        }

        /* 移动端 offcanvas */
        .offcanvas-custom {
            background-color: var(--warm-bg);
            border-left: 1px solid var(--border-light);
            max-width: 320px;
        }
        .offcanvas-custom .offcanvas-header {
            border-bottom: 1px solid var(--border-light);
            padding: 20px 24px;
        }
        .offcanvas-custom .offcanvas-title {
            font-family: var(--font-serif);
            font-weight: 700;
            color: var(--primary);
            font-size: 1.2rem;
        }
        .offcanvas-custom .offcanvas-body {
            padding: 16px 20px;
        }
        .offcanvas-custom .nav-link {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 12px 16px;
            border-radius: var(--radius-md);
            background-color: var(--card-bg);
            border: 1px solid var(--border-light);
            margin-bottom: 8px;
            color: var(--text-main);
            font-weight: 500;
            font-size: 0.9rem;
            transition: var(--transition-base);
        }
        .offcanvas-custom .nav-link:hover {
            border-color: var(--accent);
            color: var(--accent);
            background-color: #fff;
        }
        .offcanvas-custom .nav-link.active {
            background-color: var(--primary);
            color: #fff;
            border-color: var(--primary);
            border-left: 3px solid var(--accent);
        }

        /* ======= 面包屑 ======= */
        .breadcrumb-custom {
            display: flex;
            align-items: center;
            gap: 8px;
            list-style: none;
            padding: 24px 0 0;
            margin: 0;
            font-size: 0.875rem;
            color: var(--text-secondary);
            flex-wrap: wrap;
        }
        .breadcrumb-custom li {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .breadcrumb-custom li a {
            color: var(--text-secondary);
            transition: var(--transition-base);
        }
        .breadcrumb-custom li a:hover {
            color: var(--accent);
        }
        .breadcrumb-custom li:not(:last-child)::after {
            content: "/";
            color: var(--border-light);
            margin-left: 4px;
        }
        .breadcrumb-custom li:last-child {
            color: var(--primary);
            font-weight: 600;
        }

        /* ======= 页头区域 ======= */
        .page-hero-dashboard {
            padding: 48px 0 24px;
        }
        .page-hero-dashboard .hero-title-wrap {
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .page-hero-dashboard .hero-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.8rem;
            letter-spacing: 1px;
            text-transform: uppercase;
            color: var(--accent);
            font-weight: 600;
            margin-bottom: 12px;
        }
        .page-hero-dashboard .hero-eyebrow::before {
            content: "";
            width: 24px;
            height: 2px;
            background-color: var(--accent);
            border-radius: 2px;
        }
        .page-hero-dashboard h1 {
            font-family: var(--font-serif);
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.3;
            margin: 0 0 16px;
            letter-spacing: 0.02em;
        }
        .page-hero-dashboard .hero-sub {
            font-size: 1.05rem;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 520px;
            margin: 0;
        }
        .metric-mini-card {
            background-color: var(--card-bg);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            box-shadow: var(--shadow-card);
            height: 100%;
            display: flex;
            flex-direction: column;
            justify-content: center;
            transition: var(--transition-base);
        }
        .metric-mini-card:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }
        .metric-mini-card .metric-label {
            font-size: 0.8rem;
            color: var(--text-secondary);
            letter-spacing: 1px;
            font-weight: 500;
            margin-bottom: 6px;
        }
        .metric-mini-card .metric-value {
            font-family: var(--font-serif);
            font-size: 2.8rem;
            font-weight: 700;
            color: var(--accent);
            line-height: 1.1;
        }
        .metric-mini-card .metric-trend {
            font-size: 0.85rem;
            color: var(--success);
            margin-top: 4px;
            font-weight: 500;
        }

        /* ======= 分类说明 + 筛选标签 ======= */
        .section-desc {
            padding: 24px 0 20px;
            font-size: 1rem;
            color: var(--text-secondary);
            line-height: 1.9;
            border-top: 1px solid var(--border-light);
            margin-top: 16px;
            padding-top: 24px;
        }
        .filter-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            padding: 8px 0 28px;
        }
        .filter-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--text-main);
            background-color: var(--card-bg);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-pill);
            padding: 8px 18px;
            cursor: pointer;
            transition: var(--transition-base);
            user-select: none;
        }
        .filter-tag:hover {
            border-color: var(--accent);
            color: var(--accent);
            background-color: #fff;
        }
        .filter-tag.active {
            background-color: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }
        .filter-tag .tag-dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background-color: var(--accent);
        }
        .filter-tag.active .tag-dot {
            background-color: var(--accent);
        }

        /* ======= 2x2 内容卡片 + 侧边辅助卡 ======= */
        .dashboard-grid-section {
            padding: 16px 0 48px;
        }
        .dashboard-card {
            background-color: var(--card-bg);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 28px;
            box-shadow: var(--shadow-card);
            transition: var(--transition-base);
            height: 100%;
            display: flex;
            flex-direction: column;
            position: relative;
            overflow: hidden;
        }
        .dashboard-card:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .dashboard-card .card-tag {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            color: var(--accent);
            background-color: var(--accent-soft);
            border-radius: var(--radius-pill);
            padding: 4px 12px;
            margin-bottom: 14px;
            align-self: flex-start;
        }
        .dashboard-card h3 {
            font-family: var(--font-serif);
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--primary);
            margin: 0 0 10px;
            line-height: 1.4;
        }
        .dashboard-card p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.8;
            margin: 0 0 16px;
            flex-grow: 1;
        }
        .dashboard-card .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--primary);
            transition: var(--transition-base);
        }
        .dashboard-card .card-link:hover {
            color: var(--accent);
            gap: 10px;
        }
        .dashboard-card .card-img {
            border-radius: var(--radius-sm);
            overflow: hidden;
            margin-bottom: 16px;
            position: relative;
        }
        .dashboard-card .card-img img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .dashboard-card:hover .card-img img {
            transform: scale(1.03);
        }
        .dashboard-card-large {
            grid-column: span 2;
            background-color: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }
        .dashboard-card-large h3 {
            color: #fff;
            font-size: 1.5rem;
        }
        .dashboard-card-large p {
            color: rgba(255, 255, 255, 0.8);
        }
        .dashboard-card-large .card-link {
            color: var(--accent-soft);
        }
        .dashboard-card-large .card-link:hover {
            color: #fff;
        }
        .dashboard-card-large .card-tag {
            background-color: rgba(181, 121, 63, 0.25);
            color: var(--accent-soft);
        }
        .dashboard-card-large .card-img img {
            height: 220px;
        }
        .dashboard-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .dashboard-grid .dashboard-card:nth-child(1) {
            grid-column: span 2;
        }
        .sidebar-assist-card {
            background-color: var(--sand-bg);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 28px;
            box-shadow: var(--shadow-card);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .sidebar-assist-card h4 {
            font-family: var(--font-serif);
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--primary);
            margin: 0 0 12px;
            line-height: 1.4;
        }
        .sidebar-assist-card p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 16px;
        }
        .sidebar-assist-card ul {
            list-style: none;
            padding: 0;
            margin: 0 0 16px;
        }
        .sidebar-assist-card ul li {
            display: flex;
            align-items: flex-start;
            gap: 8px;
            font-size: 0.9rem;
            color: var(--text-main);
            line-height: 1.7;
            padding: 6px 0;
            border-bottom: 1px dashed var(--border-light);
        }
        .sidebar-assist-card ul li:last-child {
            border-bottom: none;
        }
        .sidebar-assist-card ul li i {
            color: var(--accent);
            font-size: 1rem;
            margin-top: 4px;
        }
        .sidebar-assist-card .btn-assist {
            margin-top: auto;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            font-weight: 600;
            font-size: 0.9rem;
            color: #fff;
            background-color: var(--primary);
            border-radius: var(--radius-md);
            padding: 12px 20px;
            transition: var(--transition-base);
            border: none;
        }
        .sidebar-assist-card .btn-assist:hover {
            background-color: var(--accent);
            color: #fff;
            transform: translateY(-2px);
        }

        /* ======= CTA 表单区 ======= */
        .cta-section {
            padding: var(--section-padding-mobile) 0;
        }
        .cta-panel {
            background-color: var(--primary);
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            box-shadow: 0 16px 36px rgba(34, 48, 43, 0.2);
            position: relative;
            overflow: hidden;
        }
        .cta-panel::after {
            content: "";
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background-color: rgba(181, 121, 63, 0.2);
            pointer-events: none;
        }
        .cta-panel h2 {
            font-family: var(--font-serif);
            font-size: 1.8rem;
            font-weight: 700;
            color: #fff;
            margin: 0 0 12px;
            line-height: 1.4;
        }
        .cta-panel .cta-desc {
            color: rgba(255, 255, 255, 0.8);
            font-size: 0.98rem;
            line-height: 1.8;
            margin-bottom: 32px;
            max-width: 540px;
        }
        .cta-panel .form-label {
            color: rgba(255, 255, 255, 0.85);
            font-size: 0.85rem;
            font-weight: 500;
            letter-spacing: 0.5px;
            margin-bottom: 6px;
        }
        .cta-panel .form-control,
        .cta-panel .form-select {
            background-color: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.25);
            border-radius: var(--radius-sm);
            color: #fff;
            padding: 12px 16px;
            font-size: 0.95rem;
            transition: var(--transition-base);
            min-height: 46px;
        }
        .cta-panel .form-control::placeholder {
            color: rgba(255, 255, 255, 0.5);
        }
        .cta-panel .form-control:focus,
        .cta-panel .form-select:focus {
            border-color: var(--accent);
            background-color: rgba(255, 255, 255, 0.12);
            box-shadow: 0 0 0 3px rgba(181, 121, 63, 0.25);
        }
        .cta-panel .form-select option {
            color: var(--text-main);
            background-color: #fff;
        }
        .cta-panel .btn-submit {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-weight: 600;
            font-size: 1rem;
            color: #fff;
            background-color: var(--accent);
            border: none;
            border-radius: var(--radius-md);
            padding: 14px 32px;
            letter-spacing: 0.03em;
            transition: var(--transition-base);
            margin-top: 8px;
            width: 100%;
        }
        .cta-panel .btn-submit:hover {
            background-color: var(--accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(181, 121, 63, 0.4);
        }

        /* ======= 页脚 ======= */
        .footer-custom {
            background-color: var(--primary);
            color: rgba(255, 255, 255, 0.75);
            padding: 56px 0 24px;
            margin-top: 32px;
        }
        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-serif);
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.04em;
        }
        .brand-mark-footer {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 8px;
            background: linear-gradient(135deg, var(--accent), var(--accent-hover));
            color: #fff;
            font-size: 1rem;
            font-weight: 700;
            font-family: var(--font-sans);
        }
        .footer-desc {
            font-size: 0.9rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.65);
            max-width: 320px;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links li {
            margin-bottom: 8px;
        }
        .footer-links a {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.9rem;
            transition: var(--transition-base);
        }
        .footer-links a:hover {
            color: var(--accent);
            padding-left: 4px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.15);
            padding-top: 20px;
            margin-top: 32px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.55);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.55);
            transition: var(--transition-base);
        }
        .footer-bottom a:hover {
            color: var(--accent);
        }

        /* ======= 响应式适配 ======= */
        @media (max-width: 1199.98px) {
            .navbar-custom .nav-link {
                font-size: 0.8rem;
                padding: 8px 12px;
                gap: 5px;
            }
            .navbar-custom .nav-link .nav-num {
                width: 18px;
                height: 18px;
                font-size: 0.6rem;
            }
        }

        @media (max-width: 991.98px) {
            .navbar-custom {
                padding: 12px 16px;
                margin: 8px 12px;
            }
            .navbar-custom .navbar-brand {
                font-size: 1.15rem;
            }
            .navbar-collapse {
                display: none;
            }
            .dashboard-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .dashboard-grid .dashboard-card:nth-child(1) {
                grid-column: span 1;
            }
            .page-hero-dashboard h1 {
                font-size: 2rem;
            }
            .metric-mini-card .metric-value {
                font-size: 2.2rem;
            }
            .cta-panel {
                padding: 36px 28px;
            }
        }

        @media (max-width: 767.98px) {
            .page-hero-dashboard {
                padding: 32px 0 16px;
            }
            .page-hero-dashboard h1 {
                font-size: 1.7rem;
            }
            .page-hero-dashboard .hero-sub {
                font-size: 0.95rem;
            }
            .metric-mini-card {
                padding: 16px 18px;
                margin-top: 12px;
            }
            .metric-mini-card .metric-value {
                font-size: 1.8rem;
            }
            .dashboard-card {
                padding: 20px;
            }
            .dashboard-card-large .card-img img {
                height: 160px;
            }
            .card-img img {
                height: 140px !important;
            }
            .filter-tags {
                gap: 8px;
            }
            .filter-tag {
                font-size: 0.78rem;
                padding: 6px 14px;
            }
            .cta-panel {
                padding: 28px 20px;
                border-radius: var(--radius-md);
            }
            .cta-panel h2 {
                font-size: 1.4rem;
            }
            .footer-custom {
                padding: 40px 0 16px;
            }
        }

        @media (max-width: 519.98px) {
            .navbar-custom {
                border-radius: var(--radius-md);
                margin: 6px 8px;
                padding: 10px 12px;
            }
            .navbar-custom .navbar-brand {
                font-size: 1rem;
            }
            .navbar-custom .navbar-brand .brand-mark {
                width: 28px;
                height: 28px;
                font-size: 0.85rem;
            }
            .page-hero-dashboard h1 {
                font-size: 1.45rem;
            }
            .dashboard-card h3 {
                font-size: 1.1rem;
            }
            .dashboard-card p {
                font-size: 0.88rem;
            }
            .sidebar-assist-card {
                padding: 20px;
            }
            .cta-panel .btn-submit {
                padding: 12px 20px;
                font-size: 0.9rem;
            }
        }

/* roulang page: category4 */
:root {
            --primary: #22302B;
            --primary-light: #3E5F50;
            --accent: #B5793F;
            --accent-hover: #9A6534;
            --accent-soft: #E5D3C0;
            --warm-bg: #F6F3EE;
            --sand-bg: #E9E1D5;
            --card-bg: #FFFFFF;
            --card-bg-soft: #FBF9F6;
            --text-main: #202322;
            --text-secondary: #6E675E;
            --border-light: #D8D1C6;
            --success: #3E5F50;
            --danger: #A74A35;
            --radius-sm: 8px;
            --radius-md: 10px;
            --radius-lg: 12px;
            --radius-pill: 50px;
            --shadow-card: 0 8px 20px rgba(34, 48, 43, 0.06);
            --shadow-hover: 0 12px 28px rgba(34, 48, 43, 0.12);
            --transition-base: all 0.28s ease;
            --font-serif: "Noto Serif SC", "Songti SC", "STSong", Georgia, serif;
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
            --section-padding: 80px;
            --section-padding-mobile: 48px;
            --container-max: 1200px;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-main);
            background-color: var(--warm-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition-base);
        }
        a:hover {
            color: var(--accent);
            text-decoration: none;
        }
        a:focus,
        button:focus,
        input:focus,
        select:focus,
        textarea:focus {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
            box-shadow: none;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        .container {
            max-width: var(--container-max);
            padding-left: 24px;
            padding-right: 24px;
        }

        /* 导航面板 */
        .navbar-custom {
            padding: 16px 24px;
            background-color: rgba(255, 255, 255, 0.92);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            margin: 16px auto 8px;
            max-width: var(--container-max);
            position: sticky;
            top: 12px;
            z-index: 1050;
            border: 1px solid var(--border-light);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
        }
        .navbar-custom .navbar-brand {
            font-family: var(--font-serif);
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 0.04em;
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 4px 0;
        }
        .navbar-custom .navbar-brand .brand-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            border-radius: 8px;
            background: linear-gradient(135deg, var(--accent), var(--accent-hover));
            color: #fff;
            font-size: 1rem;
            font-weight: 700;
            font-family: var(--font-sans);
        }
        .navbar-custom .navbar-brand:hover {
            color: var(--primary);
        }
        .navbar-custom .navbar-toggler {
            border: none;
            padding: 8px;
            background: transparent;
            color: var(--primary);
            font-size: 1.5rem;
            box-shadow: none;
        }
        .navbar-custom .navbar-toggler:focus {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
            box-shadow: none;
        }
        .navbar-custom .navbar-nav {
            gap: 10px;
            align-items: center;
        }
        .navbar-custom .nav-item {
            display: inline-flex;
        }
        .navbar-custom .nav-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-family: var(--font-sans);
            font-size: 0.875rem;
            font-weight: 500;
            color: var(--text-main);
            padding: 10px 18px;
            border-radius: var(--radius-md);
            background-color: var(--card-bg-soft);
            border: 1px solid var(--border-light);
            transition: var(--transition-base);
            white-space: nowrap;
            letter-spacing: 0.02em;
            position: relative;
        }
        .navbar-custom .nav-link:hover {
            color: var(--accent);
            border-color: var(--accent);
            background-color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(34, 48, 43, 0.08);
        }
        .navbar-custom .nav-link.active {
            color: #fff;
            background-color: var(--primary);
            border-color: var(--primary);
            box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.1);
            border-left: 3px solid var(--accent);
        }
        .navbar-custom .nav-link .nav-num {
            font-size: 0.7rem;
            color: var(--text-secondary);
            background-color: var(--sand-bg);
            border-radius: 50%;
            width: 22px;
            height: 22px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-weight: 600;
            transition: var(--transition-base);
        }
        .navbar-custom .nav-link:hover .nav-num,
        .navbar-custom .nav-link.active .nav-num {
            background-color: var(--accent);
            color: #fff;
        }
        .navbar-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background-color: var(--accent);
            color: #fff;
            font-size: 0.875rem;
            font-weight: 600;
            padding: 11px 20px;
            border-radius: var(--radius-pill);
            border: none;
            transition: var(--transition-base);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }
        .navbar-cta:hover {
            background-color: var(--accent-hover);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(181, 121, 63, 0.28);
        }
        .navbar-cta:focus {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
            box-shadow: none;
        }

        /* 移动端 offcanvas */
        .offcanvas-custom {
            background-color: var(--warm-bg);
            border-left: 1px solid var(--border-light);
        }
        .offcanvas-custom .offcanvas-header {
            border-bottom: 1px solid var(--border-light);
            padding: 16px 20px;
        }
        .offcanvas-custom .offcanvas-title {
            font-family: var(--font-serif);
            font-weight: 700;
            color: var(--primary);
            font-size: 1.2rem;
        }
        .offcanvas-custom .offcanvas-body {
            padding: 16px 20px;
        }
        .offcanvas-custom .nav-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-main);
            padding: 12px 16px;
            border-radius: var(--radius-md);
            background-color: var(--card-bg);
            border: 1px solid var(--border-light);
            margin-bottom: 8px;
            transition: var(--transition-base);
        }
        .offcanvas-custom .nav-link:hover {
            color: var(--accent);
            border-color: var(--accent);
        }
        .offcanvas-custom .nav-link.active {
            color: #fff;
            background-color: var(--primary);
            border-left: 3px solid var(--accent);
        }
        .offcanvas-custom .nav-link .nav-num {
            font-size: 0.7rem;
            color: var(--text-secondary);
            background-color: var(--sand-bg);
            border-radius: 50%;
            width: 22px;
            height: 22px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-weight: 600;
        }
        .offcanvas-custom .navbar-cta {
            width: 100%;
            justify-content: center;
            margin-top: 8px;
        }

        /* 面包屑 */
        .breadcrumb-custom {
            background: transparent;
            padding: 24px 0 0;
            margin: 0;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .breadcrumb-custom .breadcrumb-item {
            font-size: 0.875rem;
            color: var(--text-secondary);
        }
        .breadcrumb-custom .breadcrumb-item a {
            color: var(--text-secondary);
            transition: var(--transition-base);
        }
        .breadcrumb-custom .breadcrumb-item a:hover {
            color: var(--accent);
        }
        .breadcrumb-custom .breadcrumb-item.active {
            color: var(--accent);
            font-weight: 500;
        }
        .breadcrumb-custom .breadcrumb-sep {
            color: var(--border-light);
            font-size: 0.75rem;
        }

        /* 卡片通用 */
        .card-panel {
            background-color: var(--card-bg);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-card);
            transition: var(--transition-base);
        }
        .card-panel:hover {
            box-shadow: var(--shadow-hover);
            border-color: var(--accent);
        }

        /* 按钮 */
        .btn-accent {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background-color: var(--accent);
            color: #fff;
            font-size: 0.95rem;
            font-weight: 600;
            padding: 13px 28px;
            border-radius: var(--radius-pill);
            border: none;
            transition: var(--transition-base);
            letter-spacing: 0.02em;
            cursor: pointer;
        }
        .btn-accent:hover {
            background-color: var(--accent-hover);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 10px 26px rgba(181, 121, 63, 0.3);
        }
        .btn-accent:focus {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
            box-shadow: none;
        }
        .btn-outline-accent {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background-color: transparent;
            color: var(--accent);
            font-size: 0.95rem;
            font-weight: 600;
            padding: 12px 26px;
            border-radius: var(--radius-pill);
            border: 2px solid var(--accent);
            transition: var(--transition-base);
            letter-spacing: 0.02em;
            cursor: pointer;
        }
        .btn-outline-accent:hover {
            background-color: var(--accent);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 10px 26px rgba(181, 121, 63, 0.24);
        }
        .btn-outline-accent:focus {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
            box-shadow: none;
        }

        /* Hero区域 */
        .hero-revenue {
            padding: 56px 0 48px;
            background: linear-gradient(180deg, #F6F3EE 0%, #EFEAE2 100%);
            position: relative;
            overflow: hidden;
        }
        .hero-revenue::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -20%;
            width: 550px;
            height: 550px;
            background: radial-gradient(circle, rgba(181, 121, 63, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-revenue::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -15%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(34, 48, 43, 0.05) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-revenue .container {
            position: relative;
            z-index: 2;
        }
        .hero-title {
            font-family: var(--font-serif);
            font-size: 2.6rem;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.35;
            margin-bottom: 16px;
            letter-spacing: 0.03em;
        }
        .hero-title .accent-text {
            color: var(--accent);
        }
        .hero-desc {
            font-size: 1.05rem;
            color: var(--text-secondary);
            line-height: 1.85;
            margin-bottom: 24px;
            max-width: 520px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background-color: var(--accent-soft);
            color: var(--accent-hover);
            font-size: 0.8rem;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: var(--radius-pill);
            margin-bottom: 16px;
            letter-spacing: 0.04em;
        }

        /* 数据卡 */
        .metric-card {
            background-color: var(--card-bg);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-card);
            padding: 22px 20px;
            transition: var(--transition-base);
            text-align: center;
        }
        .metric-card:hover {
            box-shadow: var(--shadow-hover);
            border-color: var(--accent);
            transform: translateY(-2px);
        }
        .metric-value {
            font-size: 2.8rem;
            font-weight: 700;
            color: var(--accent);
            font-family: Georgia, serif;
            line-height: 1.2;
            letter-spacing: 0.02em;
        }
        .metric-label {
            font-size: 0.8rem;
            color: var(--text-secondary);
            letter-spacing: 1px;
            text-transform: uppercase;
            margin-top: 6px;
            font-weight: 500;
        }
        .metric-change {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 0.8rem;
            font-weight: 600;
            margin-top: 8px;
            padding: 4px 10px;
            border-radius: var(--radius-sm);
        }
        .metric-change.up {
            color: var(--success);
            background-color: rgba(62, 95, 80, 0.1);
        }
        .metric-change.down {
            color: var(--danger);
            background-color: rgba(167, 74, 53, 0.1);
        }

        /* 收益评估面板 */
        .revenue-panel {
            background-color: var(--card-bg);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            padding: 28px 24px;
            position: relative;
            overflow: hidden;
        }
        .revenue-panel::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--accent), var(--accent-hover));
        }
        .revenue-panel-title {
            font-family: var(--font-serif);
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }
        .revenue-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 10px 0;
            border-bottom: 1px solid var(--border-light);
        }
        .revenue-row:last-child {
            border-bottom: none;
        }
        .revenue-row-label {
            font-size: 0.9rem;
            color: var(--text-secondary);
        }
        .revenue-row-value {
            font-size: 1rem;
            font-weight: 700;
            color: var(--primary);
        }
        .revenue-row-value.positive {
            color: var(--success);
        }
        .revenue-row-value.negative {
            color: var(--danger);
        }

        /* Section 通用 */
        .section-padding {
            padding: var(--section-padding) 0;
        }
        .section-title {
            font-family: var(--font-serif);
            font-size: 1.9rem;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.4;
            margin-bottom: 16px;
            letter-spacing: 0.03em;
        }
        .section-subtitle {
            font-size: 1rem;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 680px;
        }
        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--accent);
            letter-spacing: 0.08em;
            margin-bottom: 12px;
            text-transform: uppercase;
        }
        .section-tag::before {
            content: '';
            width: 24px;
            height: 2px;
            background-color: var(--accent);
            display: inline-block;
        }

        /* 评估维度卡片 */
        .dimension-card {
            background-color: var(--card-bg);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-card);
            padding: 24px 20px;
            transition: var(--transition-base);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .dimension-card:hover {
            box-shadow: var(--shadow-hover);
            border-color: var(--accent);
            transform: translateY(-3px);
        }
        .dimension-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            border-radius: var(--radius-md);
            background-color: var(--accent-soft);
            color: var(--accent);
            font-size: 1.4rem;
            margin-bottom: 16px;
        }
        .dimension-card h3 {
            font-family: var(--font-serif);
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 10px;
        }
        .dimension-card p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.75;
            margin-bottom: 0;
            flex-grow: 1;
        }
        .dimension-card .dimension-value {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--accent);
            font-family: Georgia, serif;
            margin-top: 12px;
        }
        .dimension-card .dimension-note {
            font-size: 0.75rem;
            color: var(--text-secondary);
            margin-top: 4px;
        }

        /* 场景卡片 */
        .scenario-card {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            background-color: var(--card-bg);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 20px 18px;
            transition: var(--transition-base);
            height: 100%;
        }
        .scenario-card:hover {
            box-shadow: var(--shadow-hover);
            border-color: var(--accent);
            transform: translateY(-2px);
        }
        .scenario-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 36px;
            height: 36px;
            border-radius: 50%;
            background-color: var(--primary);
            color: #fff;
            font-size: 0.85rem;
            font-weight: 700;
            flex-shrink: 0;
        }
        .scenario-card h4 {
            font-family: var(--font-serif);
            font-size: 1rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 6px;
        }
        .scenario-card p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* 步骤时间线 */
        .timeline-eval {
            position: relative;
            padding-left: 40px;
        }
        .timeline-eval::before {
            content: '';
            position: absolute;
            left: 16px;
            top: 8px;
            bottom: 8px;
            width: 2px;
            background-color: var(--border-light);
        }
        .timeline-item {
            position: relative;
            margin-bottom: 28px;
        }
        .timeline-item:last-child {
            margin-bottom: 0;
        }
        .timeline-dot {
            position: absolute;
            left: -40px;
            top: 4px;
            width: 34px;
            height: 34px;
            border-radius: 50%;
            background-color: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            font-weight: 700;
            font-family: var(--font-sans);
            z-index: 1;
            border: 2px solid var(--warm-bg);
        }
        .timeline-item.active .timeline-dot {
            background-color: var(--accent);
        }
        .timeline-card {
            background-color: var(--card-bg);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-card);
            padding: 18px 20px;
            transition: var(--transition-base);
        }
        .timeline-card:hover {
            box-shadow: var(--shadow-hover);
            border-color: var(--accent);
        }
        .timeline-card h4 {
            font-family: var(--font-serif);
            font-size: 1rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 6px;
        }
        .timeline-card p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 0;
        }
        .timeline-card .timeline-duration {
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--accent);
            letter-spacing: 0.04em;
        }

        /* 对比卡 */
        .compare-card {
            background-color: var(--card-bg);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-card);
            padding: 24px 20px;
            transition: var(--transition-base);
            height: 100%;
            position: relative;
            overflow: hidden;
        }
        .compare-card.before {
            border-left: 4px solid var(--danger);
        }
        .compare-card.after {
            border-left: 4px solid var(--success);
        }
        .compare-card h4 {
            font-family: var(--font-serif);
            font-size: 1rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 12px;
            letter-spacing: 0.03em;
        }
        .compare-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 8px 0;
            border-bottom: 1px dashed var(--border-light);
        }
        .compare-row:last-child {
            border-bottom: none;
        }
        .compare-row .compare-label {
            font-size: 0.85rem;
            color: var(--text-secondary);
        }
        .compare-row .compare-value {
            font-size: 0.95rem;
            font-weight: 700;
        }
        .compare-row .compare-value.bad {
            color: var(--danger);
        }
        .compare-row .compare-value.good {
            color: var(--success);
        }

        /* 图片封面集成 */
        .img-cover-card {
            border-radius: var(--radius-md);
            overflow: hidden;
            position: relative;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-light);
        }
        .img-cover-card img {
            width: 100%;
            height: auto;
            object-fit: cover;
            transition: var(--transition-base);
        }
        .img-cover-card:hover img {
            transform: scale(1.03);
        }
        .img-cover-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 20px 16px;
            background: linear-gradient(0deg, rgba(34, 48, 43, 0.85) 0%, rgba(34, 48, 43, 0.4) 70%, transparent 100%);
            color: #fff;
        }
        .img-cover-overlay h4 {
            font-family: var(--font-serif);
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 4px;
            color: #fff;
        }
        .img-cover-overlay p {
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 0;
        }

        /* FAQ */
        .accordion-custom .accordion-item {
            background-color: var(--card-bg);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md) !important;
            margin-bottom: 12px;
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: var(--transition-base);
        }
        .accordion-custom .accordion-item:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow-hover);
        }
        .accordion-custom .accordion-button {
            background-color: var(--card-bg-soft);
            color: var(--primary);
            font-family: var(--font-sans);
            font-size: 0.95rem;
            font-weight: 600;
            padding: 18px 20px;
            border: none;
            box-shadow: none;
            transition: var(--transition-base);
            letter-spacing: 0.01em;
            border-radius: var(--radius-md) !important;
        }
        .accordion-custom .accordion-button:not(.collapsed) {
            background-color: var(--sand-bg);
            color: var(--accent);
            border-bottom: 1px solid var(--border-light);
        }
        .accordion-custom .accordion-button:focus {
            box-shadow: none;
            outline: 2px solid var(--accent);
            outline-offset: -2px;
        }
        .accordion-custom .accordion-button::after {
            background-image: none;
            content: '+';
            font-size: 1.5rem;
            font-weight: 400;
            color: var(--accent);
            line-height: 1;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: transform 0.3s ease;
        }
        .accordion-custom .accordion-button:not(.collapsed)::after {
            content: '−';
            color: var(--accent);
            transform: rotate(0deg);
        }
        .accordion-custom .accordion-body {
            background-color: var(--card-bg-soft);
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.8;
            padding: 16px 20px;
            border-top: 1px solid var(--border-light);
        }

        /* CTA表单 */
        .cta-section {
            padding: 64px 0;
            background: linear-gradient(135deg, var(--primary) 0%, #1A2824 100%);
            border-radius: 0;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -20%;
            right: -10%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(181, 121, 63, 0.15) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
        }
        .cta-title {
            font-family: var(--font-serif);
            font-size: 2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.03em;
        }
        .cta-desc {
            color: rgba(255, 255, 255, 0.75);
            font-size: 0.95rem;
            line-height: 1.75;
            max-width: 520px;
        }
        .form-card {
            background-color: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
        }
        .form-card .form-label {
            color: rgba(255, 255, 255, 0.85);
            font-size: 0.85rem;
            font-weight: 500;
            letter-spacing: 0.04em;
            margin-bottom: 6px;
        }
        .form-card .form-control,
        .form-card .form-select {
            background-color: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: var(--radius-sm);
            color: #fff;
            font-size: 0.95rem;
            padding: 12px 16px;
            transition: var(--transition-base);
        }
        .form-card .form-control::placeholder {
            color: rgba(255, 255, 255, 0.4);
        }
        .form-card .form-control:focus,
        .form-card .form-select:focus {
            background-color: rgba(255, 255, 255, 0.12);
            border-color: var(--accent);
            outline: 2px solid var(--accent);
            outline-offset: 0;
            box-shadow: none;
            color: #fff;
        }
        .form-card .form-select option {
            color: var(--text-main);
            background-color: #fff;
        }
        .form-check-input {
            background-color: rgba(255, 255, 255, 0.08);
            border-color: rgba(255, 255, 255, 0.3);
        }
        .form-check-input:checked {
            background-color: var(--accent);
            border-color: var(--accent);
        }
        .form-check-label {
            color: rgba(255, 255, 255, 0.75);
            font-size: 0.85rem;
        }

        /* 页脚 */
        .footer-custom {
            background-color: var(--primary);
            color: rgba(255, 255, 255, 0.75);
            padding: 56px 0 24px;
            margin-top: 0;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }
        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }
        .footer-brand .brand-mark-footer {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 8px;
            background: linear-gradient(135deg, var(--accent), var(--accent-hover));
            color: #fff;
            font-size: 1rem;
            font-weight: 700;
            font-family: var(--font-sans);
        }
        .footer-brand span:last-child {
            font-family: var(--font-serif);
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.05em;
        }
        .footer-desc {
            font-size: 0.85rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.65);
            margin-bottom: 0;
            max-width: 360px;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-links li a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.85rem;
            transition: var(--transition-base);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .footer-links li a::before {
            content: '';
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background-color: var(--accent);
            display: inline-block;
        }
        .footer-links li a:hover {
            color: var(--accent);
            transform: translateX(3px);
        }
        .footer-bottom {
            margin-top: 40px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.45);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.55);
            transition: var(--transition-base);
        }
        .footer-bottom a:hover {
            color: var(--accent);
        }

        /* 响应式 */
        @media (max-width: 991.98px) {
            .navbar-custom {
                padding: 12px 16px;
                margin: 8px 12px;
            }
            .hero-title {
                font-size: 2rem;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .metric-value {
                font-size: 2.2rem;
            }
            .section-padding {
                padding: 48px 0;
            }
            .hero-revenue {
                padding: 40px 0 36px;
            }
        }
        @media (max-width: 767.98px) {
            .hero-title {
                font-size: 1.7rem;
            }
            .hero-desc {
                font-size: 0.95rem;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .metric-value {
                font-size: 1.8rem;
            }
            .section-padding {
                padding: 40px 0;
            }
            .hero-revenue {
                padding: 32px 0 28px;
            }
            .timeline-eval {
                padding-left: 32px;
            }
            .timeline-eval::before {
                left: 12px;
            }
            .timeline-dot {
                left: -32px;
                width: 28px;
                height: 28px;
                font-size: 0.7rem;
            }
            .form-card {
                padding: 24px 18px;
            }
            .footer-custom {
                padding: 40px 0 16px;
            }
            .footer-bottom {
                margin-top: 28px;
                padding-top: 16px;
            }
            .revenue-panel {
                padding: 20px 16px;
            }
            .compare-card {
                padding: 18px 14px;
            }
        }
        @media (max-width: 519.98px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .hero-title {
                font-size: 1.45rem;
                line-height: 1.4;
            }
            .hero-desc {
                font-size: 0.875rem;
                line-height: 1.7;
            }
            .section-title {
                font-size: 1.25rem;
                line-height: 1.45;
            }
            .section-subtitle {
                font-size: 0.875rem;
                line-height: 1.7;
            }
            .btn-accent,
            .btn-outline-accent {
                font-size: 0.85rem;
                padding: 10px 20px;
                width: 100%;
                justify-content: center;
            }
            .hero-badge {
                font-size: 0.7rem;
                padding: 4px 10px;
            }
            .metric-value {
                font-size: 1.5rem;
            }
            .metric-label {
                font-size: 0.7rem;
            }
            .section-padding {
                padding: 32px 0;
            }
            .navbar-custom {
                margin: 6px 8px;
                padding: 10px 12px;
            }
            .navbar-custom .navbar-brand {
                font-size: 1.1rem;
            }
            .navbar-custom .navbar-brand .brand-mark {
                width: 28px;
                height: 28px;
                font-size: 0.85rem;
            }
            .form-card {
                padding: 18px 14px;
                border-radius: var(--radius-md);
            }
            .form-card .form-control,
            .form-card .form-select {
                font-size: 0.85rem;
                padding: 10px 14px;
            }
            .cta-title {
                font-size: 1.5rem;
            }
            .cta-desc {
                font-size: 0.85rem;
            }
            .scenario-card {
                padding: 16px 14px;
                gap: 12px;
            }
            .scenario-card h4 {
                font-size: 0.9rem;
            }
            .scenario-card p {
                font-size: 0.78rem;
            }
            .dimension-card {
                padding: 18px 14px;
            }
            .dimension-card h3 {
                font-size: 1rem;
            }
            .dimension-card p {
                font-size: 0.8rem;
            }
            .compare-card h4 {
                font-size: 0.9rem;
            }
            .compare-row .compare-label {
                font-size: 0.75rem;
            }
            .compare-row .compare-value {
                font-size: 0.85rem;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #22302B;
            --primary-light: #3E5F50;
            --accent: #B5793F;
            --accent-hover: #9A6534;
            --accent-soft: #E5D3C0;
            --warm-bg: #F6F3EE;
            --sand-bg: #E9E1D5;
            --card-bg: #FFFFFF;
            --card-bg-soft: #FBF9F6;
            --text-main: #202322;
            --text-secondary: #6E675E;
            --border-light: #D8D1C6;
            --success: #3E5F50;
            --danger: #A74A35;
            --radius-sm: 8px;
            --radius-md: 10px;
            --radius-lg: 12px;
            --radius-pill: 50px;
            --shadow-card: 0 8px 20px rgba(34, 48, 43, 0.06);
            --shadow-hover: 0 12px 28px rgba(34, 48, 43, 0.12);
            --transition-base: all 0.28s ease;
            --font-serif: "Noto Serif SC", "Songti SC", "STSong", Georgia, serif;
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
            --section-padding: 80px;
            --section-padding-mobile: 48px;
            --container-max: 1200px;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-main);
            background-color: var(--warm-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition-base);
        }
        a:hover {
            color: var(--accent);
            text-decoration: none;
        }
        a:focus,
        button:focus,
        input:focus,
        select:focus,
        textarea:focus {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
            box-shadow: none;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        .container {
            max-width: var(--container-max);
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ===== 导航面板 ===== */
        .navbar-custom {
            padding: 16px 24px;
            background-color: rgba(255, 255, 255, 0.92);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            margin: 16px auto 8px;
            max-width: var(--container-max);
            position: sticky;
            top: 12px;
            z-index: 1050;
            border: 1px solid var(--border-light);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
        }
        .navbar-custom .navbar-brand {
            font-family: var(--font-serif);
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 0.04em;
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 4px 0;
        }
        .navbar-custom .navbar-brand .brand-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            border-radius: 8px;
            background: linear-gradient(135deg, var(--accent), var(--accent-hover));
            color: #fff;
            font-size: 1rem;
            font-weight: 700;
            font-family: var(--font-sans);
        }
        .navbar-custom .navbar-brand:hover {
            color: var(--primary);
        }
        .navbar-custom .navbar-toggler {
            border: none;
            padding: 8px;
            background: transparent;
            color: var(--primary);
            font-size: 1.5rem;
            box-shadow: none;
        }
        .navbar-custom .navbar-toggler:focus {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
            box-shadow: none;
        }
        .navbar-custom .navbar-nav {
            gap: 10px;
            align-items: center;
        }
        .navbar-custom .nav-item {
            display: inline-flex;
        }
        .navbar-custom .nav-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-family: var(--font-sans);
            font-size: 0.875rem;
            font-weight: 500;
            color: var(--text-main);
            padding: 10px 18px;
            border-radius: var(--radius-md);
            background-color: var(--card-bg-soft);
            border: 1px solid var(--border-light);
            transition: var(--transition-base);
            white-space: nowrap;
            letter-spacing: 0.02em;
            position: relative;
        }
        .navbar-custom .nav-link:hover {
            color: var(--accent);
            border-color: var(--accent);
            background-color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(34, 48, 43, 0.08);
        }
        .navbar-custom .nav-link.active {
            color: #fff;
            background-color: var(--primary);
            border-color: var(--primary);
            box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.1);
            border-left: 3px solid var(--accent);
        }
        .navbar-custom .nav-link .nav-num {
            font-size: 0.7rem;
            color: var(--text-secondary);
            background-color: var(--sand-bg);
            border-radius: 50%;
            width: 22px;
            height: 22px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-weight: 600;
            transition: var(--transition-base);
        }
        .navbar-custom .nav-link:hover .nav-num,
        .navbar-custom .nav-link.active .nav-num {
            background-color: var(--accent);
            color: #fff;
        }
        .navbar-cta {
            background-color: var(--accent);
            color: #fff;
            font-weight: 600;
            padding: 12px 22px;
            border-radius: var(--radius-sm);
            font-size: 0.875rem;
            border: none;
            white-space: nowrap;
            transition: var(--transition-base);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            letter-spacing: 0.03em;
        }
        .navbar-cta:hover {
            background-color: var(--accent-hover);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(181, 121, 63, 0.35);
        }

        /* Offcanvas 移动端 */
        .offcanvas-custom {
            background-color: var(--warm-bg);
            max-width: 320px;
        }
        .offcanvas-custom .offcanvas-header {
            border-bottom: 1px solid var(--border-light);
            padding: 16px 20px;
        }
        .offcanvas-custom .offcanvas-title {
            font-family: var(--font-serif);
            font-weight: 700;
            color: var(--primary);
            font-size: 1.15rem;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .offcanvas-custom .offcanvas-body {
            padding: 16px 20px;
        }
        .offcanvas-nav {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .offcanvas-nav .nav-link {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 12px 16px;
            border-radius: var(--radius-md);
            background-color: var(--card-bg);
            border: 1px solid var(--border-light);
            color: var(--text-main);
            font-weight: 500;
            font-size: 0.9rem;
            transition: var(--transition-base);
        }
        .offcanvas-nav .nav-link:hover {
            border-color: var(--accent);
            color: var(--accent);
        }
        .offcanvas-nav .nav-link.active {
            background-color: var(--primary);
            color: #fff;
            border-color: var(--primary);
            border-left: 3px solid var(--accent);
        }
        .offcanvas-nav .nav-num {
            font-size: 0.7rem;
            background-color: var(--sand-bg);
            border-radius: 50%;
            width: 24px;
            height: 24px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-weight: 600;
            color: var(--text-secondary);
        }
        .offcanvas-nav .nav-link.active .nav-num {
            background-color: var(--accent);
            color: #fff;
        }

        /* ===== 面包屑 ===== */
        .breadcrumb-section {
            padding: 32px 0 8px;
        }
        .breadcrumb-custom {
            background: transparent;
            margin: 0;
            padding: 0;
            font-size: 0.85rem;
            color: var(--text-secondary);
        }
        .breadcrumb-custom .breadcrumb-item a {
            color: var(--text-secondary);
            transition: var(--transition-base);
        }
        .breadcrumb-custom .breadcrumb-item a:hover {
            color: var(--accent);
        }
        .breadcrumb-custom .breadcrumb-item.active {
            color: var(--primary);
            font-weight: 500;
        }
        .breadcrumb-custom .breadcrumb-item + .breadcrumb-item::before {
            color: var(--border-light);
            content: "›";
            font-weight: 400;
            padding: 0 6px;
        }

        /* ===== 分类页3 Hero：全宽背景，标题居中 ===== */
        .category3-hero {
            position: relative;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            border-radius: var(--radius-lg);
            margin: 16px auto 8px;
            max-width: var(--container-max);
            overflow: hidden;
            min-height: 380px;
            display: flex;
            align-items: center;
            justify-content: center;
            border: 1px solid var(--border-light);
        }
        .category3-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(34, 48, 43, 0.7) 0%, rgba(34, 48, 43, 0.55) 50%, rgba(34, 48, 43, 0.75) 100%);
            z-index: 1;
        }
        .category3-hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            padding: 48px 32px;
            max-width: 780px;
        }
        .category3-hero .hero-tag {
            display: inline-block;
            background-color: var(--accent);
            color: #fff;
            font-size: 0.8rem;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: var(--radius-pill);
            letter-spacing: 0.06em;
            margin-bottom: 20px;
        }
        .category3-hero h1 {
            font-family: var(--font-serif);
            font-size: 2.6rem;
            font-weight: 700;
            color: #fff;
            line-height: 1.35;
            margin-bottom: 20px;
            letter-spacing: 0.02em;
        }
        .category3-hero .hero-lead {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 620px;
            margin: 0 auto;
            line-height: 1.8;
        }
        .category3-hero .hero-cta-group {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
            margin-top: 28px;
        }
        .btn-accent-hero {
            background-color: var(--accent);
            color: #fff;
            font-weight: 600;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            border: none;
            transition: var(--transition-base);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-accent-hero:hover {
            background-color: var(--accent-hover);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(181, 121, 63, 0.4);
        }
        .btn-outline-hero {
            background-color: transparent;
            color: #fff;
            font-weight: 600;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            border: 1px solid rgba(255, 255, 255, 0.6);
            transition: var(--transition-base);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-outline-hero:hover {
            background-color: rgba(255, 255, 255, 0.12);
            color: #fff;
            border-color: #fff;
            transform: translateY(-2px);
        }

        /* ===== 分类说明区 ===== */
        .category-intro {
            padding: 56px 0 32px;
        }
        .category-intro-card {
            background-color: var(--card-bg);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 32px 36px;
            box-shadow: var(--shadow-card);
        }
        .category-intro-card h2 {
            font-family: var(--font-serif);
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 16px;
        }
        .category-intro-card p {
            color: var(--text-secondary);
            font-size: 0.98rem;
            line-height: 1.85;
            margin-bottom: 12px;
        }
        .category-intro-card p:last-child {
            margin-bottom: 0;
        }

        /* ===== 筛选标签 ===== */
        .filter-tags {
            padding: 24px 0 8px;
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .filter-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            border-radius: var(--radius-pill);
            background-color: var(--card-bg);
            border: 1px solid var(--border-light);
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: var(--transition-base);
            cursor: default;
        }
        .filter-tag:hover {
            border-color: var(--accent);
            color: var(--accent);
            box-shadow: 0 2px 8px rgba(34, 48, 43, 0.06);
        }
        .filter-tag .tag-dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background-color: var(--accent);
        }

        /* ===== 左右对比卡（分类页3核心版式） ===== */
        .comparison-section {
            padding: 48px 0 64px;
        }
        .comparison-section .section-title {
            font-family: var(--font-serif);
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 12px;
        }
        .comparison-section .section-subtitle {
            color: var(--text-secondary);
            font-size: 1rem;
            margin-bottom: 36px;
            max-width: 680px;
        }
        .comparison-grid {
            display: flex;
            flex-direction: column;
            gap: 28px;
        }
        .comparison-row {
            display: grid;
            grid-template-columns: 1fr auto 1fr;
            gap: 24px;
            align-items: stretch;
        }
        .comparison-card {
            background-color: var(--card-bg);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 28px 30px;
            box-shadow: var(--shadow-card);
            transition: var(--transition-base);
        }
        .comparison-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }
        .comparison-card.before-card {
            border-left: 4px solid var(--danger);
        }
        .comparison-card.after-card {
            border-left: 4px solid var(--success);
        }
        .comparison-card .card-label {
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            margin-bottom: 12px;
        }
        .comparison-card.before-card .card-label {
            color: var(--danger);
        }
        .comparison-card.after-card .card-label {
            color: var(--success);
        }
        .comparison-card h3 {
            font-family: var(--font-serif);
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 14px;
        }
        .comparison-card p {
            color: var(--text-secondary);
            font-size: 0.92rem;
            line-height: 1.75;
            margin-bottom: 0;
        }
        .comparison-card .metric-highlight {
            font-size: 2rem;
            font-weight: 700;
            font-family: Georgia, serif;
            margin-bottom: 12px;
        }
        .comparison-card.before-card .metric-highlight {
            color: var(--danger);
        }
        .comparison-card.after-card .metric-highlight {
            color: var(--success);
        }
        .comparison-divider {
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-secondary);
            font-size: 1.2rem;
            font-weight: 600;
            min-width: 40px;
        }
        .comparison-divider .divider-icon {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background-color: var(--sand-bg);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent);
            font-size: 1.1rem;
        }

        /* ===== 数据卡片/信息列表 ===== */
        .info-cards-section {
            padding: 48px 0 64px;
            background-color: var(--sand-bg);
            border-radius: var(--radius-lg);
            margin-bottom: 8px;
        }
        .info-cards-section .section-title {
            font-family: var(--font-serif);
            font-size: 1.7rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 12px;
        }
        .info-cards-section .section-subtitle {
            color: var(--text-secondary);
            font-size: 1rem;
            margin-bottom: 36px;
        }
        .info-card {
            background-color: var(--card-bg);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 24px 26px;
            box-shadow: var(--shadow-card);
            height: 100%;
            transition: var(--transition-base);
        }
        .info-card:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }
        .info-card .info-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-md);
            background-color: var(--accent-soft);
            color: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            margin-bottom: 16px;
        }
        .info-card h4 {
            font-family: var(--font-serif);
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 10px;
        }
        .info-card p {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.7;
            margin-bottom: 0;
        }
        .info-card .info-num {
            font-size: 1.8rem;
            font-weight: 700;
            font-family: Georgia, serif;
            color: var(--accent);
            margin-bottom: 8px;
        }

        /* ===== 侧边辅助卡 ===== */
        .assist-card-section {
            padding: 48px 0 56px;
        }
        .assist-card {
            background-color: var(--card-bg);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 32px 30px;
            box-shadow: var(--shadow-card);
            height: 100%;
        }
        .assist-card .assist-title {
            font-family: var(--font-serif);
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 16px;
        }
        .assist-card ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .assist-card ul li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 10px 0;
            border-bottom: 1px solid var(--border-light);
            font-size: 0.9rem;
            color: var(--text-secondary);
        }
        .assist-card ul li:last-child {
            border-bottom: none;
        }
        .assist-card ul li .check-icon {
            color: var(--success);
            font-size: 1rem;
            flex-shrink: 0;
            margin-top: 2px;
        }
        .assist-card .assist-note {
            background-color: var(--card-bg-soft);
            border-radius: var(--radius-sm);
            padding: 16px 18px;
            font-size: 0.85rem;
            color: var(--text-secondary);
            margin-top: 18px;
            border-left: 3px solid var(--accent);
        }

        /* ===== 底部 CTA ===== */
        .cta-section {
            padding: 64px 0 48px;
        }
        .cta-card {
            background-color: var(--primary);
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            position: relative;
            overflow: hidden;
            box-shadow: 0 16px 40px rgba(34, 48, 43, 0.25);
        }
        .cta-card::before {
            content: "";
            position: absolute;
            top: -50%;
            right: -10%;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(181, 121, 63, 0.3) 0%, transparent 70%);
            pointer-events: none;
        }
        .cta-card h2 {
            font-family: var(--font-serif);
            font-size: 1.8rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            position: relative;
            z-index: 1;
        }
        .cta-card p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 1rem;
            max-width: 560px;
            margin-bottom: 28px;
            position: relative;
            z-index: 1;
        }
        .cta-form-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
            position: relative;
            z-index: 1;
        }
        .cta-form-grid .form-group-full {
            grid-column: 1 / -1;
        }
        .cta-form-grid label {
            color: rgba(255, 255, 255, 0.85);
            font-size: 0.85rem;
            font-weight: 500;
            margin-bottom: 6px;
            display: block;
        }
        .cta-form-grid input,
        .cta-form-grid select,
        .cta-form-grid textarea {
            width: 100%;
            background-color: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.25);
            border-radius: var(--radius-sm);
            padding: 12px 16px;
            color: #fff;
            font-size: 0.9rem;
            transition: var(--transition-base);
        }
        .cta-form-grid input::placeholder,
        .cta-form-grid textarea::placeholder {
            color: rgba(255, 255, 255, 0.45);
        }
        .cta-form-grid input:focus,
        .cta-form-grid select:focus,
        .cta-form-grid textarea:focus {
            outline: none;
            border-color: var(--accent);
            background-color: rgba(255, 255, 255, 0.14);
            box-shadow: 0 0 0 2px rgba(181, 121, 63, 0.3);
        }
        .cta-form-grid select {
            appearance: none;
            -webkit-appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23B5793F' stroke-width='1.5' fill='none'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 16px center;
            color: rgba(255, 255, 255, 0.75);
        }
        .cta-form-grid select option {
            color: var(--text-main);
            background-color: #fff;
        }
        .btn-submit-cta {
            background-color: var(--accent);
            color: #fff;
            font-weight: 600;
            padding: 14px 32px;
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            border: none;
            transition: var(--transition-base);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            letter-spacing: 0.04em;
            cursor: pointer;
        }
        .btn-submit-cta:hover {
            background-color: var(--accent-hover);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(181, 121, 63, 0.4);
        }

        /* ===== 页脚 ===== */
        .footer-custom {
            background-color: var(--primary);
            padding: 56px 0 28px;
            margin-top: 16px;
            border-radius: var(--radius-lg) var(--radius-lg) 0 0;
        }
        .footer-brand {
            display: flex;
            align-items: center;
            gap: 8px;
            font-family: var(--font-serif);
            font-size: 1.25rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-brand .brand-mark-footer {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background: linear-gradient(135deg, var(--accent), var(--accent-hover));
            color: #fff;
            font-size: 0.9rem;
            font-weight: 700;
            font-family: var(--font-sans);
        }
        .footer-desc {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.9rem;
            line-height: 1.8;
            max-width: 320px;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-links a {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.88rem;
            transition: var(--transition-base);
        }
        .footer-links a:hover {
            color: var(--accent);
            padding-left: 4px;
        }
        .footer-bottom {
            margin-top: 40px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.82rem;
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.55);
        }
        .footer-bottom a:hover {
            color: var(--accent);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 991.98px) {
            .navbar-custom .navbar-nav {
                gap: 6px;
            }
            .navbar-custom .nav-link {
                padding: 8px 12px;
                font-size: 0.8rem;
            }
            .navbar-custom .navbar-brand {
                font-size: 1.15rem;
            }
            .navbar-cta {
                padding: 10px 16px;
                font-size: 0.8rem;
            }
            .category3-hero {
                min-height: 320px;
            }
            .category3-hero h1 {
                font-size: 2rem;
            }
            .comparison-row {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .comparison-divider {
                padding: 4px 0;
            }
            .comparison-divider .divider-icon {
                width: 32px;
                height: 32px;
                font-size: 0.9rem;
            }
        }

        @media (max-width: 767.98px) {
            :root {
                --section-padding: 48px;
                --section-padding-mobile: 40px;
            }
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .navbar-custom {
                margin: 8px 16px 4px;
                padding: 12px 16px;
                border-radius: var(--radius-md);
            }
            .category3-hero {
                margin: 8px 16px 4px;
                border-radius: var(--radius-md);
                min-height: 280px;
            }
            .category3-hero-content {
                padding: 32px 20px;
            }
            .category3-hero h1 {
                font-size: 1.6rem;
            }
            .category3-hero .hero-lead {
                font-size: 0.95rem;
            }
            .category-intro {
                padding: 36px 0 20px;
            }
            .category-intro-card {
                padding: 22px 20px;
            }
            .category-intro-card h2 {
                font-size: 1.3rem;
            }
            .comparison-section {
                padding: 32px 0 40px;
            }
            .comparison-section .section-title {
                font-size: 1.4rem;
            }
            .comparison-card {
                padding: 20px 18px;
            }
            .info-cards-section {
                padding: 32px 0 40px;
                border-radius: var(--radius-md);
            }
            .info-cards-section .section-title {
                font-size: 1.4rem;
            }
            .assist-card-section {
                padding: 32px 0 36px;
            }
            .cta-section {
                padding: 36px 0 32px;
            }
            .cta-card {
                padding: 28px 20px;
                border-radius: var(--radius-md);
            }
            .cta-card h2 {
                font-size: 1.4rem;
            }
            .cta-form-grid {
                grid-template-columns: 1fr;
            }
            .cta-form-grid .form-group-full {
                grid-column: 1;
            }
            .footer-custom {
                padding: 36px 0 20px;
                border-radius: var(--radius-md) var(--radius-md) 0 0;
            }
        }

        @media (max-width: 519.98px) {
            .category3-hero h1 {
                font-size: 1.35rem;
            }
            .category3-hero .hero-tag {
                font-size: 0.7rem;
                padding: 4px 12px;
            }
            .btn-accent-hero,
            .btn-outline-hero {
                padding: 10px 18px;
                font-size: 0.82rem;
                width: 100%;
                justify-content: center;
            }
            .category3-hero .hero-cta-group {
                flex-direction: column;
                width: 100%;
            }
            .filter-tag {
                padding: 6px 12px;
                font-size: 0.78rem;
            }
            .comparison-card .metric-highlight {
                font-size: 1.5rem;
            }
            .info-card {
                padding: 18px 16px;
            }
            .assist-card {
                padding: 22px 18px;
            }
        }

/* roulang page: category6 */
:root {
            --primary: #22302B;
            --primary-light: #3E5F50;
            --accent: #B5793F;
            --accent-hover: #9A6534;
            --accent-soft: #E5D3C0;
            --warm-bg: #F6F3EE;
            --sand-bg: #E9E1D5;
            --card-bg: #FFFFFF;
            --card-bg-soft: #FBF9F6;
            --text-main: #202322;
            --text-secondary: #6E675E;
            --border-light: #D8D1C6;
            --success: #3E5F50;
            --danger: #A74A35;
            --radius-sm: 8px;
            --radius-md: 10px;
            --radius-lg: 12px;
            --radius-pill: 50px;
            --shadow-card: 0 8px 20px rgba(34, 48, 43, 0.06);
            --shadow-hover: 0 12px 28px rgba(34, 48, 43, 0.12);
            --transition-base: all 0.28s ease;
            --font-serif: "Noto Serif SC", "Songti SC", "STSong", Georgia, serif;
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
            --section-padding: 80px;
            --section-padding-mobile: 48px;
            --container-max: 1200px;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-main);
            background-color: var(--warm-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition-base);
        }
        a:hover {
            color: var(--accent);
            text-decoration: none;
        }
        a:focus,
        button:focus,
        input:focus,
        select:focus,
        textarea:focus {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
            box-shadow: none;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            max-width: var(--container-max);
            padding-left: 24px;
            padding-right: 24px;
        }
        section {
            padding: var(--section-padding) 0;
        }
        @media (max-width: 767.98px) {
            section {
                padding: var(--section-padding-mobile) 0;
            }
        }

        /* 导航面板 */
        .navbar-custom {
            padding: 16px 24px;
            background-color: rgba(255, 255, 255, 0.92);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            margin: 16px auto 8px;
            max-width: var(--container-max);
            position: sticky;
            top: 12px;
            z-index: 1050;
            border: 1px solid var(--border-light);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
        }
        .navbar-custom .navbar-brand {
            font-family: var(--font-serif);
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 0.04em;
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 4px 0;
        }
        .navbar-custom .navbar-brand .brand-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            border-radius: 8px;
            background: linear-gradient(135deg, var(--accent), var(--accent-hover));
            color: #fff;
            font-size: 1rem;
            font-weight: 700;
            font-family: var(--font-sans);
        }
        .navbar-custom .navbar-brand:hover {
            color: var(--primary);
        }
        .navbar-custom .navbar-toggler {
            border: none;
            padding: 8px;
            background: transparent;
            color: var(--primary);
            font-size: 1.5rem;
            box-shadow: none;
        }
        .navbar-custom .navbar-toggler:focus {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
            box-shadow: none;
        }
        .navbar-custom .navbar-nav {
            gap: 10px;
            align-items: center;
        }
        .navbar-custom .nav-item {
            display: inline-flex;
        }
        .navbar-custom .nav-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-family: var(--font-sans);
            font-size: 0.875rem;
            font-weight: 500;
            color: var(--text-main);
            padding: 10px 18px;
            border-radius: var(--radius-md);
            background-color: var(--card-bg-soft);
            border: 1px solid var(--border-light);
            transition: var(--transition-base);
            white-space: nowrap;
            letter-spacing: 0.02em;
            position: relative;
        }
        .navbar-custom .nav-link:hover {
            color: var(--accent);
            border-color: var(--accent);
            background-color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(34, 48, 43, 0.08);
        }
        .navbar-custom .nav-link.active {
            color: #fff;
            background-color: var(--primary);
            border-color: var(--primary);
            box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.1);
            border-left: 3px solid var(--accent);
        }
        .navbar-custom .nav-link .nav-num {
            font-size: 0.7rem;
            color: var(--text-secondary);
            background-color: var(--sand-bg);
            border-radius: 50%;
            width: 22px;
            height: 22px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-weight: 600;
            transition: var(--transition-base);
            flex-shrink: 0;
        }
        .navbar-custom .nav-link:hover .nav-num,
        .navbar-custom .nav-link.active .nav-num {
            background-color: var(--accent);
            color: #fff;
        }
        .navbar-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-family: var(--font-sans);
            font-size: 0.875rem;
            font-weight: 600;
            color: #fff;
            background-color: var(--accent);
            border: none;
            padding: 10px 20px;
            border-radius: var(--radius-pill);
            transition: var(--transition-base);
            white-space: nowrap;
            letter-spacing: 0.02em;
            flex-shrink: 0;
        }
        .navbar-cta:hover {
            background-color: var(--accent-hover);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 18px rgba(181, 121, 63, 0.28);
        }
        @media (max-width: 991.98px) {
            .navbar-custom {
                padding: 12px 16px;
                border-radius: var(--radius-md);
                margin: 8px auto 4px;
                top: 6px;
            }
            .navbar-custom .navbar-nav {
                gap: 6px;
                padding: 12px 0;
                align-items: stretch;
            }
            .navbar-custom .nav-link {
                font-size: 0.85rem;
                padding: 10px 14px;
                width: 100%;
                justify-content: space-between;
            }
            .navbar-collapse {
                margin-top: 10px;
            }
            .navbar-cta {
                margin-top: 10px;
                width: 100%;
                justify-content: center;
            }
        }
        @media (max-width: 575.98px) {
            .navbar-custom .nav-link {
                font-size: 0.8rem;
                padding: 8px 12px;
            }
            .navbar-custom .nav-link .nav-num {
                width: 18px;
                height: 18px;
                font-size: 0.6rem;
            }
        }

        /* 面包屑 */
        .breadcrumb-custom {
            background: transparent;
            padding: 0;
            margin: 24px 0 0;
            font-size: 0.85rem;
            color: var(--text-secondary);
        }
        .breadcrumb-custom .breadcrumb-item a {
            color: var(--text-secondary);
            transition: var(--transition-base);
        }
        .breadcrumb-custom .breadcrumb-item a:hover {
            color: var(--accent);
        }
        .breadcrumb-custom .breadcrumb-item.active {
            color: var(--accent);
            font-weight: 500;
        }
        .breadcrumb-custom .breadcrumb-item + .breadcrumb-item::before {
            content: "›";
            color: var(--border-light);
            padding: 0 6px;
        }

        /* 杂志式 Hero */
        .hero-magazine {
            position: relative;
            min-height: 520px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            margin-top: 20px;
            background-size: cover;
            background-position: center;
            background-image: url('/assets/images/coverpic/cover-6.webp');
            display: flex;
            align-items: flex-end;
            box-shadow: var(--shadow-hover);
            border: 1px solid var(--border-light);
        }
        .hero-magazine::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(34, 48, 43, 0.25) 0%, rgba(34, 48, 43, 0.65) 45%, rgba(34, 48, 43, 0.85) 100%);
            z-index: 1;
        }
        .hero-magazine .hero-content {
            position: relative;
            z-index: 2;
            padding: 56px 48px 40px;
            width: 100%;
            color: #fff;
        }
        .hero-magazine .hero-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.15em;
            text-transform: uppercase;
            color: var(--accent-soft);
            background-color: rgba(34, 48, 43, 0.55);
            padding: 6px 14px;
            border-radius: 50px;
            backdrop-filter: blur(8px);
            border: 1px solid rgba(233, 225, 213, 0.3);
            margin-bottom: 16px;
        }
        .hero-magazine h1 {
            font-family: var(--font-serif);
            font-size: 3rem;
            font-weight: 700;
            line-height: 1.3;
            letter-spacing: 0.02em;
            color: #fff;
            max-width: 700px;
            text-shadow: 0 2px 16px rgba(0, 0, 0, 0.22);
            margin-bottom: 16px;
        }
        .hero-magazine .hero-subtitle {
            font-size: 1.1rem;
            line-height: 1.75;
            color: rgba(255, 255, 255, 0.88);
            max-width: 560px;
            margin-bottom: 24px;
            text-shadow: 0 1px 6px rgba(0, 0, 0, 0.2);
        }
        .hero-magazine .hero-meta-row {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
        }
        .hero-magazine .hero-meta-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.8rem;
            color: #fff;
            background-color: rgba(255, 255, 255, 0.15);
            padding: 6px 14px;
            border-radius: 50px;
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, 0.2);
        }
        .hero-magazine .hero-meta-badge i {
            color: var(--accent-soft);
            font-size: 0.75rem;
        }
        @media (max-width: 991.98px) {
            .hero-magazine {
                min-height: 420px;
            }
            .hero-magazine .hero-content {
                padding: 40px 28px 28px;
            }
            .hero-magazine h1 {
                font-size: 2.25rem;
                max-width: 100%;
            }
            .hero-magazine .hero-subtitle {
                font-size: 1rem;
                max-width: 100%;
            }
        }
        @media (max-width: 575.98px) {
            .hero-magazine {
                min-height: 380px;
                border-radius: var(--radius-md);
                margin-top: 12px;
            }
            .hero-magazine .hero-content {
                padding: 28px 18px 20px;
            }
            .hero-magazine h1 {
                font-size: 1.7rem;
                line-height: 1.4;
            }
            .hero-magazine .hero-subtitle {
                font-size: 0.9rem;
                line-height: 1.7;
            }
            .hero-magazine .hero-meta-row {
                gap: 8px;
            }
        }

        /* 概览指标条 */
        .metric-strip {
            background: var(--card-bg);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 24px 28px;
            box-shadow: var(--shadow-card);
            margin-top: -28px;
            position: relative;
            z-index: 3;
        }
        .metric-strip .mi-item {
            text-align: center;
            padding: 8px 12px;
            border-right: 1px solid var(--border-light);
        }
        .metric-strip .mi-item:last-child {
            border-right: none;
        }
        .metric-strip .mi-value {
            font-family: var(--font-serif);
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
            letter-spacing: -0.01em;
        }
        .metric-strip .mi-value .mi-unit {
            font-size: 1rem;
            color: var(--text-secondary);
            font-family: var(--font-sans);
            font-weight: 500;
            margin-left: 4px;
        }
        .metric-strip .mi-label {
            font-size: 0.85rem;
            color: var(--text-secondary);
            letter-spacing: 0.04em;
            margin-top: 6px;
        }
        @media (max-width: 767.98px) {
            .metric-strip {
                margin-top: 16px;
                padding: 18px 14px;
            }
            .metric-strip .mi-item {
                border-right: none;
                border-bottom: 1px solid var(--border-light);
                padding: 10px 4px;
            }
            .metric-strip .mi-item:last-child {
                border-bottom: none;
            }
            .metric-strip .mi-value {
                font-size: 1.6rem;
            }
        }

        /* 板块标题 */
        .section-head {
            margin-bottom: 36px;
        }
        .section-head .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.12em;
            color: var(--accent);
            text-transform: uppercase;
            margin-bottom: 10px;
        }
        .section-head h2 {
            font-family: var(--font-serif);
            font-size: 1.9rem;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.4;
            margin-bottom: 10px;
        }
        .section-head p {
            font-size: 1rem;
            color: var(--text-secondary);
            line-height: 1.75;
            max-width: 640px;
            margin-bottom: 0;
        }
        @media (max-width: 767.98px) {
            .section-head {
                margin-bottom: 24px;
            }
            .section-head h2 {
                font-size: 1.5rem;
            }
        }

        /* 大小不同的卡片网格 */
        .asym-grid .cmp-card {
            background: var(--card-bg);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition-base);
            height: 100%;
            position: relative;
            box-shadow: var(--shadow-card);
            display: flex;
            flex-direction: column;
        }
        .asym-grid .cmp-card:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }
        .asym-grid .cmp-card .card-img-holder {
            height: 180px;
            overflow: hidden;
            position: relative;
            flex-shrink: 0;
        }
        .asym-grid .cmp-card .card-img-holder img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .asym-grid .cmp-card:hover .card-img-holder img {
            transform: scale(1.04);
        }
        .asym-grid .cmp-card .card-img-holder .img-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background-color: rgba(34, 48, 43, 0.75);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 500;
            padding: 5px 12px;
            border-radius: 50px;
            letter-spacing: 0.04em;
            backdrop-filter: blur(6px);
            border: 1px solid rgba(255, 255, 255, 0.2);
        }
        .asym-grid .cmp-card .card-body-cmp {
            padding: 20px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .asym-grid .cmp-card .card-body-cmp .cmp-tag {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--accent);
            letter-spacing: 0.06em;
            text-transform: uppercase;
            margin-bottom: 8px;
        }
        .asym-grid .cmp-card .card-body-cmp h3 {
            font-family: var(--font-serif);
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.45;
            margin-bottom: 8px;
        }
        .asym-grid .cmp-card .card-body-cmp p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 12px;
            flex: 1;
        }
        .asym-grid .cmp-card .card-body-cmp .cmp-metric-row {
            display: flex;
            align-items: baseline;
            gap: 12px;
            padding-top: 12px;
            border-top: 1px solid var(--border-light);
        }
        .asym-grid .cmp-card .card-body-cmp .cmp-metric-value {
            font-family: var(--font-serif);
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--accent);
        }
        .asym-grid .cmp-card .card-body-cmp .cmp-metric-label {
            font-size: 0.8rem;
            color: var(--text-secondary);
        }
        .asym-grid .cmp-card-lg .card-img-holder {
            height: 240px;
        }
        .asym-grid .cmp-card-lg .card-body-cmp h3 {
            font-size: 1.4rem;
        }
        .asym-grid .cmp-card-lg .card-body-cmp p {
            font-size: 0.95rem;
        }
        .asym-grid .cmp-card-sm .card-img-holder {
            height: 150px;
        }
        @media (max-width: 991.98px) {
            .asym-grid .cmp-card-lg .card-img-holder,
            .asym-grid .cmp-card-sm .card-img-holder {
                height: 180px;
            }
            .asym-grid .cmp-card .card-body-cmp h3 {
                font-size: 1.1rem;
            }
        }

        /* 对比面板 */
        .comparison-panel {
            background: var(--primary);
            border-radius: var(--radius-lg);
            padding: 44px;
            box-shadow: var(--shadow-hover);
            position: relative;
            overflow: hidden;
        }
        .comparison-panel::before {
            content: "";
            position: absolute;
            top: -60px;
            right: -60px;
            width: 260px;
            height: 260px;
            background: radial-gradient(circle, rgba(181, 121, 63, 0.18) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .comparison-panel h2 {
            font-family: var(--font-serif);
            font-size: 1.75rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
        }
        .comparison-panel .cp-intro {
            color: rgba(255, 255, 255, 0.72);
            font-size: 0.95rem;
            margin-bottom: 28px;
            max-width: 560px;
            line-height: 1.75;
        }
        .comparison-panel .cmp-row-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 14px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            flex-wrap: wrap;
        }
        .comparison-panel .cmp-row-item:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }
        .comparison-panel .cmp-row-label {
            flex: 0 0 160px;
            font-size: 0.9rem;
            font-weight: 600;
            color: rgba(255, 255, 255, 0.85);
            letter-spacing: 0.02em;
        }
        .comparison-panel .cmp-row-bar-bg {
            flex: 1;
            height: 10px;
            background-color: rgba(255, 255, 255, 0.1);
            border-radius: 50px;
            overflow: hidden;
        }
        .comparison-panel .cmp-row-bar {
            height: 100%;
            border-radius: 50px;
            background: linear-gradient(90deg, var(--accent), #D69A5C);
            transition: width 1s ease;
        }
        .comparison-panel .cmp-row-bar.bar-success {
            background: linear-gradient(90deg, var(--success), #5A8A70);
        }
        .comparison-panel .cmp-row-value {
            flex: 0 0 70px;
            text-align: right;
            font-family: var(--font-serif);
            font-size: 1.1rem;
            font-weight: 700;
            color: #fff;
        }
        .comparison-panel .cmp-row-value.positive {
            color: #7BC4A0;
        }
        .comparison-panel .cmp-row-value.negative {
            color: #E5A096;
        }
        @media (max-width: 767.98px) {
            .comparison-panel {
                padding: 28px 20px;
                border-radius: var(--radius-md);
            }
            .comparison-panel h2 {
                font-size: 1.4rem;
            }
            .comparison-panel .cmp-row-label {
                flex-basis: 100%;
                margin-bottom: 6px;
            }
            .comparison-panel .cmp-row-value {
                flex-basis: 50px;
                font-size: 0.95rem;
            }
        }

        /* 场景卡片行 */
        .scene-row {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
        }
        .scene-card {
            flex: 1 1 220px;
            min-width: 200px;
            background: var(--card-bg);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 22px 20px;
            box-shadow: var(--shadow-card);
            transition: var(--transition-base);
            text-align: left;
        }
        .scene-card:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }
        .scene-card .scene-icon {
            width: 42px;
            height: 42px;
            border-radius: 10px;
            background-color: var(--accent-soft);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 1.15rem;
            color: var(--accent);
            margin-bottom: 12px;
        }
        .scene-card h4 {
            font-family: var(--font-serif);
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 6px;
        }
        .scene-card p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.65;
            margin-bottom: 0;
        }

        /* FAQ */
        .faq-accordion .accordion-item {
            background: transparent;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md) !important;
            overflow: hidden;
            margin-bottom: 12px;
            box-shadow: 0 2px 8px rgba(34, 48, 43, 0.03);
        }
        .faq-accordion .accordion-button {
            background: var(--card-bg-soft);
            color: var(--primary);
            font-family: var(--font-sans);
            font-size: 1rem;
            font-weight: 600;
            padding: 18px 22px;
            box-shadow: none;
            border: none;
            transition: var(--transition-base);
            letter-spacing: 0.01em;
            border-radius: var(--radius-md) !important;
        }
        .faq-accordion .accordion-button:not(.collapsed) {
            background: var(--card-bg);
            color: var(--primary);
            border-bottom: 1px solid var(--border-light);
        }
        .faq-accordion .accordion-button:focus {
            outline: 2px solid var(--accent);
            outline-offset: -2px;
            box-shadow: none;
        }
        .faq-accordion .accordion-button::after {
            content: "+";
            background-image: none;
            font-size: 1.6rem;
            font-weight: 300;
            color: var(--accent);
            width: auto;
            height: auto;
            line-height: 1;
        }
        .faq-accordion .accordion-button:not(.collapsed)::after {
            content: "−";
            color: var(--accent);
        }
        .faq-accordion .accordion-body {
            background: var(--card-bg-soft);
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.8;
            padding: 18px 22px;
        }

        /* CTA 表单 */
        .cta-form-section {
            background: var(--primary);
            border-radius: var(--radius-lg);
            padding: 48px;
            box-shadow: var(--shadow-hover);
            position: relative;
            overflow: hidden;
            margin: var(--section-padding) 0;
        }
        .cta-form-section::after {
            content: "";
            position: absolute;
            bottom: -80px;
            left: -80px;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(181, 121, 63, 0.15) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-form-section h2 {
            font-family: var(--font-serif);
            font-size: 1.85rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
            position: relative;
            z-index: 1;
        }
        .cta-form-section .cta-intro {
            color: rgba(255, 255, 255, 0.72);
            font-size: 0.95rem;
            line-height: 1.75;
            margin-bottom: 28px;
            max-width: 560px;
            position: relative;
            z-index: 1;
        }
        .cta-form-section .form-label {
            color: rgba(255, 255, 255, 0.88);
            font-size: 0.85rem;
            font-weight: 500;
            letter-spacing: 0.02em;
            margin-bottom: 6px;
        }
        .cta-form-section .form-control,
        .cta-form-section .form-select {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: #fff;
            border-radius: var(--radius-sm);
            padding: 10px 14px;
            font-size: 0.95rem;
            transition: var(--transition-base);
            box-shadow: none;
        }
        .cta-form-section .form-control::placeholder {
            color: rgba(255, 255, 255, 0.4);
        }
        .cta-form-section .form-control:focus,
        .cta-form-section .form-select:focus {
            border-color: var(--accent);
            outline: 2px solid var(--accent);
            outline-offset: -1px;
            background: rgba(255, 255, 255, 0.12);
            box-shadow: none;
            color: #fff;
        }
        .cta-form-section .form-select option {
            color: var(--text-main);
            background: #fff;
        }
        .cta-form-section .btn-cta-submit {
            background-color: var(--accent);
            color: #fff;
            border: none;
            padding: 12px 28px;
            border-radius: var(--radius-pill);
            font-size: 0.95rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            transition: var(--transition-base);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            position: relative;
            z-index: 1;
        }
        .cta-form-section .btn-cta-submit:hover {
            background-color: var(--accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(181, 121, 63, 0.3);
            color: #fff;
        }
        @media (max-width: 767.98px) {
            .cta-form-section {
                padding: 28px 20px;
                border-radius: var(--radius-md);
                margin: 40px 0;
            }
            .cta-form-section h2 {
                font-size: 1.4rem;
            }
        }

        /* 页脚 */
        .footer-custom {
            background-color: var(--primary);
            color: rgba(255, 255, 255, 0.75);
            padding: 52px 0 28px;
            margin-top: 20px;
        }
        .footer-custom .footer-brand {
            font-family: var(--font-serif);
            font-size: 1.25rem;
            font-weight: 700;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 12px;
        }
        .footer-custom .footer-brand .brand-mark-footer {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 30px;
            height: 30px;
            border-radius: 7px;
            background: linear-gradient(135deg, var(--accent), var(--accent-hover));
            color: #fff;
            font-size: 0.9rem;
            font-weight: 700;
            font-family: var(--font-sans);
        }
        .footer-custom .footer-desc {
            font-size: 0.9rem;
            line-height: 1.75;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 0;
        }
        .footer-custom .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-custom .footer-links li {
            margin-bottom: 8px;
        }
        .footer-custom .footer-links a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.9rem;
            transition: var(--transition-base);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .footer-custom .footer-links a:hover {
            color: var(--accent-soft);
            transform: translateX(3px);
        }
        .footer-custom .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            margin-top: 28px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-custom .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-custom .footer-bottom a:hover {
            color: var(--accent-soft);
        }
        @media (max-width: 767.98px) {
            .footer-custom {
                padding: 36px 0 20px;
            }
        }

/* roulang page: category5 */
:root {
            --primary: #22302B;
            --primary-light: #3E5F50;
            --accent: #B5793F;
            --accent-hover: #9A6534;
            --accent-soft: #E5D3C0;
            --warm-bg: #F6F3EE;
            --sand-bg: #E9E1D5;
            --card-bg: #FFFFFF;
            --card-bg-soft: #FBF9F6;
            --text-main: #202322;
            --text-secondary: #6E675E;
            --border-light: #D8D1C6;
            --success: #3E5F50;
            --danger: #A74A35;
            --radius-sm: 8px;
            --radius-md: 10px;
            --radius-lg: 12px;
            --radius-pill: 50px;
            --shadow-card: 0 8px 20px rgba(34, 48, 43, 0.06);
            --shadow-hover: 0 12px 28px rgba(34, 48, 43, 0.12);
            --transition-base: all 0.28s ease;
            --font-serif: "Noto Serif SC", "Songti SC", "STSong", Georgia, serif;
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
            --section-padding: 72px;
            --section-padding-mobile: 44px;
            --container-max: 1200px;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-main);
            background-color: var(--warm-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition-base);
        }
        a:hover {
            color: var(--accent);
            text-decoration: none;
        }
        a:focus,
        button:focus,
        input:focus,
        select:focus,
        textarea:focus {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
            box-shadow: none;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        .container {
            max-width: var(--container-max);
            padding-left: 24px;
            padding-right: 24px;
        }

        /* 导航面板 */
        .navbar-custom {
            padding: 14px 24px;
            background-color: rgba(255, 255, 255, 0.94);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            margin: 16px auto 8px;
            max-width: var(--container-max);
            position: sticky;
            top: 12px;
            z-index: 1050;
            border: 1px solid var(--border-light);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
        }
        .navbar-custom .navbar-brand {
            font-family: var(--font-serif);
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 0.04em;
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 4px 0;
        }
        .navbar-custom .navbar-brand .brand-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            border-radius: 8px;
            background: linear-gradient(135deg, var(--accent), var(--accent-hover));
            color: #fff;
            font-size: 1rem;
            font-weight: 700;
            font-family: var(--font-sans);
        }
        .navbar-custom .navbar-brand:hover {
            color: var(--primary);
        }
        .navbar-custom .navbar-toggler {
            border: none;
            padding: 8px;
            background: transparent;
            color: var(--primary);
            font-size: 1.5rem;
            box-shadow: none;
        }
        .navbar-custom .navbar-toggler:focus {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
            box-shadow: none;
        }
        .navbar-custom .navbar-nav {
            gap: 10px;
            align-items: center;
        }
        .navbar-custom .nav-item {
            display: inline-flex;
        }
        .navbar-custom .nav-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-family: var(--font-sans);
            font-size: 0.875rem;
            font-weight: 500;
            color: var(--text-main);
            padding: 10px 16px;
            border-radius: var(--radius-md);
            background-color: var(--card-bg-soft);
            border: 1px solid var(--border-light);
            transition: var(--transition-base);
            white-space: nowrap;
            letter-spacing: 0.02em;
            position: relative;
        }
        .navbar-custom .nav-link:hover {
            color: var(--accent);
            border-color: var(--accent);
            background-color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(34, 48, 43, 0.08);
        }
        .navbar-custom .nav-link.active {
            color: #fff;
            background-color: var(--primary);
            border-color: var(--primary);
            box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.1);
            border-left: 3px solid var(--accent);
        }
        .navbar-custom .nav-link .nav-num {
            font-size: 0.7rem;
            color: var(--text-secondary);
            background-color: var(--sand-bg);
            border-radius: 50%;
            width: 22px;
            height: 22px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-weight: 600;
            transition: var(--transition-base);
        }
        .navbar-custom .nav-link:hover .nav-num,
        .navbar-custom .nav-link.active .nav-num {
            background-color: var(--accent);
            color: #fff;
        }
        .navbar-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-family: var(--font-sans);
            font-size: 0.875rem;
            font-weight: 600;
            color: #fff;
            background-color: var(--accent);
            border: none;
            border-radius: var(--radius-sm);
            padding: 10px 18px;
            transition: var(--transition-base);
            white-space: nowrap;
            letter-spacing: 0.02em;
        }
        .navbar-cta:hover {
            background-color: var(--accent-hover);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 6px 18px rgba(181, 121, 63, 0.3);
        }

        /* 移动端 Offcanvas */
        .offcanvas-custom {
            background-color: var(--warm-bg);
            border-left: 1px solid var(--border-light);
            max-width: 320px;
        }
        .offcanvas-custom .offcanvas-header {
            background-color: var(--primary);
            color: #fff;
            border-bottom: 2px solid var(--accent);
            padding: 16px 20px;
        }
        .offcanvas-custom .offcanvas-title {
            font-family: var(--font-serif);
            font-weight: 700;
            letter-spacing: 0.04em;
            font-size: 1.1rem;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .offcanvas-custom .btn-close {
            filter: invert(1) brightness(200%);
            opacity: 0.8;
        }
        .offcanvas-custom .nav-link {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 12px 20px;
            border-bottom: 1px solid var(--border-light);
            font-size: 0.95rem;
            color: var(--text-main);
            background-color: transparent;
            border-radius: 0;
        }
        .offcanvas-custom .nav-link:hover {
            background-color: var(--sand-bg);
            color: var(--accent);
        }
        .offcanvas-custom .nav-link.active {
            background-color: var(--primary);
            color: #fff;
            border-left: 3px solid var(--accent);
        }
        .offcanvas-custom .nav-num {
            font-size: 0.75rem;
            background-color: var(--sand-bg);
            border-radius: 50%;
            width: 24px;
            height: 24px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-weight: 600;
        }

        /* 面包屑 */
        .breadcrumb-wrapper {
            padding: 28px 0 0;
        }
        .breadcrumb-custom {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
            font-size: 0.875rem;
            color: var(--text-secondary);
            margin: 0;
            padding: 0;
            list-style: none;
        }
        .breadcrumb-custom li {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .breadcrumb-custom a {
            color: var(--text-secondary);
        }
        .breadcrumb-custom a:hover {
            color: var(--accent);
        }
        .breadcrumb-custom .separator {
            color: var(--border-light);
            font-size: 0.75rem;
        }
        .breadcrumb-custom .current {
            color: var(--primary);
            font-weight: 600;
        }

        /* 分类页 Hero */
        .category-hero {
            padding: 32px 0 28px;
        }
        .category-hero-content {
            display: flex;
            flex-wrap: wrap;
            align-items: flex-start;
            gap: 32px;
        }
        .category-hero-left {
            flex: 1 1 520px;
            min-width: 0;
        }
        .category-hero-right {
            flex: 0 0 240px;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .category-hero h1 {
            font-family: var(--font-serif);
            font-size: 2.1rem;
            font-weight: 700;
            line-height: 1.35;
            color: var(--primary);
            margin-bottom: 14px;
            letter-spacing: 0.01em;
        }
        .category-hero .lead-text {
            font-size: 1.03rem;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 720px;
            margin-bottom: 0;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background-color: var(--accent-soft);
            color: var(--accent-hover);
            font-size: 0.8rem;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: var(--radius-pill);
            letter-spacing: 0.04em;
            border: 1px solid rgba(181, 121, 63, 0.3);
            margin-bottom: 14px;
        }
        .hero-badge i {
            font-size: 0.9rem;
        }
        .hero-side-card {
            background-color: var(--card-bg);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 18px 20px;
            box-shadow: var(--shadow-card);
            transition: var(--transition-base);
        }
        .hero-side-card:hover {
            box-shadow: var(--shadow-hover);
            border-color: var(--accent);
            transform: translateY(-2px);
        }
        .hero-side-card .side-card-label {
            font-size: 0.75rem;
            color: var(--text-secondary);
            letter-spacing: 0.06em;
            text-transform: uppercase;
            margin-bottom: 6px;
            font-weight: 600;
        }
        .hero-side-card .side-card-value {
            font-family: var(--font-serif);
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--accent);
            line-height: 1.3;
        }
        .hero-side-card .side-card-note {
            font-size: 0.82rem;
            color: var(--text-secondary);
            margin-top: 6px;
        }

        /* 数据概要卡 */
        .summary-section {
            padding: 28px 0 20px;
        }
        .summary-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
        }
        .summary-card {
            background-color: var(--card-bg);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 24px 22px;
            box-shadow: var(--shadow-card);
            transition: var(--transition-base);
            position: relative;
            overflow: hidden;
        }
        .summary-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--accent), var(--accent-soft));
            opacity: 0;
            transition: var(--transition-base);
        }
        .summary-card:hover {
            box-shadow: var(--shadow-hover);
            border-color: var(--accent);
            transform: translateY(-3px);
        }
        .summary-card:hover::before {
            opacity: 1;
        }
        .summary-card .summary-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 8px;
            background-color: var(--accent-soft);
            color: var(--accent-hover);
            font-size: 1.2rem;
            margin-bottom: 12px;
        }
        .summary-card .summary-number {
            font-family: var(--font-serif);
            font-size: 2.6rem;
            font-weight: 700;
            color: var(--accent);
            line-height: 1.2;
            margin-bottom: 4px;
        }
        .summary-card .summary-number small {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-secondary);
            margin-left: 4px;
        }
        .summary-card .summary-label {
            font-size: 0.85rem;
            color: var(--text-secondary);
            letter-spacing: 0.04em;
            font-weight: 500;
        }
        .summary-card .summary-badge {
            position: absolute;
            top: 16px;
            right: 16px;
            background-color: var(--primary);
            color: #fff;
            font-size: 0.7rem;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: var(--radius-pill);
            letter-spacing: 0.03em;
        }

        /* 板块标题 */
        .section-title {
            font-family: var(--font-serif);
            font-size: 1.7rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 10px;
            letter-spacing: 0.01em;
        }
        .section-subtitle {
            font-size: 0.98rem;
            color: var(--text-secondary);
            line-height: 1.75;
            max-width: 680px;
            margin-bottom: 0;
        }
        .section-header {
            margin-bottom: 32px;
        }
        .section-header .line-accent {
            display: inline-block;
            width: 52px;
            height: 3px;
            background-color: var(--accent);
            border-radius: 2px;
            margin-bottom: 14px;
        }

        /* 筛选标签 */
        .filter-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 28px;
        }
        .filter-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--text-main);
            background-color: var(--card-bg-soft);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-pill);
            padding: 8px 16px;
            transition: var(--transition-base);
            cursor: default;
        }
        .filter-tag:hover {
            border-color: var(--accent);
            color: var(--accent-hover);
            background-color: #fff;
            transform: translateY(-1px);
        }
        .filter-tag.active-tag {
            background-color: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }
        .filter-tag .tag-dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background-color: var(--accent);
        }
        .filter-tag.active-tag .tag-dot {
            background-color: #fff;
        }

        /* 时间线步骤 */
        .timeline-section {
            padding: 36px 0 40px;
        }
        .timeline-wrap {
            position: relative;
            padding-left: 32px;
        }
        .timeline-wrap::before {
            content: '';
            position: absolute;
            left: 10px;
            top: 0;
            bottom: 0;
            width: 2px;
            background: linear-gradient(180deg, var(--accent), var(--accent-soft), var(--border-light));
            border-radius: 1px;
        }
        .timeline-step {
            position: relative;
            padding-bottom: 28px;
            padding-left: 18px;
        }
        .timeline-step:last-child {
            padding-bottom: 0;
        }
        .timeline-step .step-dot {
            position: absolute;
            left: -32px;
            top: 4px;
            width: 20px;
            height: 20px;
            border-radius: 50%;
            background-color: var(--accent);
            border: 3px solid var(--warm-bg);
            box-shadow: 0 0 0 2px var(--accent);
            z-index: 1;
        }
        .timeline-step:nth-child(even) .step-dot {
            background-color: var(--primary-light);
            box-shadow: 0 0 0 2px var(--primary-light);
        }
        .step-card {
            background-color: var(--card-bg);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 20px 22px;
            box-shadow: var(--shadow-card);
            transition: var(--transition-base);
        }
        .step-card:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow-hover);
            transform: translateX(4px);
        }
        .step-card .step-header {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 8px;
            flex-wrap: wrap;
        }
        .step-card .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background-color: var(--primary);
            color: #fff;
            font-weight: 700;
            font-size: 0.9rem;
            flex-shrink: 0;
        }
        .step-card .step-title {
            font-family: var(--font-serif);
            font-size: 1.12rem;
            font-weight: 700;
            color: var(--primary);
            margin: 0;
        }
        .step-card .step-desc {
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.75;
            margin-bottom: 10px;
        }
        .step-card .step-list {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .step-card .step-list li {
            font-size: 0.85rem;
            color: var(--text-main);
            display: flex;
            align-items: flex-start;
            gap: 8px;
            line-height: 1.6;
        }
        .step-card .step-list li i {
            color: var(--accent);
            font-size: 0.9rem;
            margin-top: 2px;
            flex-shrink: 0;
        }

        /* 侧边辅助卡 */
        .side-panel {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .side-card {
            background-color: var(--card-bg);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: var(--transition-base);
        }
        .side-card:hover {
            box-shadow: var(--shadow-hover);
            border-color: var(--accent);
        }
        .side-card .side-card-img {
            width: 100%;
            height: 160px;
            object-fit: cover;
            border-bottom: 1px solid var(--border-light);
        }
        .side-card .side-card-body {
            padding: 18px 20px;
        }
        .side-card .side-card-title {
            font-family: var(--font-serif);
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
        }
        .side-card .side-card-text {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 10px;
        }
        .side-card .side-card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--accent);
        }
        .side-card .side-card-link:hover {
            color: var(--accent-hover);
            gap: 10px;
        }
        .side-metric-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .side-metric-list li {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 8px 0;
            border-bottom: 1px solid var(--border-light);
            font-size: 0.85rem;
        }
        .side-metric-list li:last-child {
            border-bottom: none;
        }
        .side-metric-list .metric-key {
            color: var(--text-secondary);
        }
        .side-metric-list .metric-value {
            font-weight: 600;
            color: var(--primary);
        }

        /* FAQ */
        .faq-section {
            padding: 48px 0;
            background-color: var(--sand-bg);
            border-radius: var(--radius-lg);
            margin: 32px 0;
        }
        .faq-section .container {
            max-width: 860px;
        }
        .accordion-custom .accordion-item {
            background-color: transparent;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md) !important;
            margin-bottom: 12px;
            overflow: hidden;
            transition: var(--transition-base);
        }
        .accordion-custom .accordion-item:hover {
            border-color: var(--accent);
        }
        .accordion-custom .accordion-button {
            background-color: var(--card-bg-soft);
            color: var(--primary);
            font-weight: 600;
            font-size: 0.95rem;
            padding: 16px 20px;
            border: none;
            box-shadow: none;
            border-radius: var(--radius-md) !important;
            transition: var(--transition-base);
            font-family: var(--font-sans);
        }
        .accordion-custom .accordion-button:not(.collapsed) {
            background-color: var(--primary);
            color: #fff;
            border-radius: var(--radius-md) var(--radius-md) 0 0 !important;
        }
        .accordion-custom .accordion-button:focus {
            outline: 2px solid var(--accent);
            outline-offset: -2px;
            box-shadow: none;
        }
        .accordion-custom .accordion-button::after {
            background-image: none;
            content: '+';
            font-size: 1.4rem;
            font-weight: 400;
            color: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            line-height: 1;
        }
        .accordion-custom .accordion-button:not(.collapsed)::after {
            content: '−';
            color: var(--accent-soft);
        }
        .accordion-custom .accordion-body {
            background-color: var(--card-bg-soft);
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.8;
            padding: 16px 20px;
            border-radius: 0 0 var(--radius-md) var(--radius-md);
        }

        /* CTA 表单 */
        .cta-section {
            padding: 56px 0;
        }
        .cta-panel {
            background-color: var(--primary);
            border-radius: var(--radius-lg);
            padding: 44px 40px;
            box-shadow: 0 16px 40px rgba(34, 48, 43, 0.18);
            position: relative;
            overflow: hidden;
        }
        .cta-panel::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -80px;
            width: 240px;
            height: 240px;
            border-radius: 50%;
            background: rgba(181, 121, 63, 0.15);
            pointer-events: none;
        }
        .cta-panel::after {
            content: '';
            position: absolute;
            bottom: -60px;
            left: 20%;
            width: 180px;
            height: 180px;
            border-radius: 50%;
            background: rgba(62, 95, 80, 0.12);
            pointer-events: none;
        }
        .cta-panel .cta-title {
            font-family: var(--font-serif);
            font-size: 1.5rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
            position: relative;
            z-index: 1;
        }
        .cta-panel .cta-text {
            font-size: 0.92rem;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 24px;
            position: relative;
            z-index: 1;
            max-width: 560px;
        }
        .cta-form .form-label {
            color: rgba(255, 255, 255, 0.85);
            font-size: 0.82rem;
            font-weight: 500;
            letter-spacing: 0.04em;
            margin-bottom: 6px;
        }
        .cta-form .form-control,
        .cta-form .form-select {
            background-color: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: var(--radius-sm);
            color: #fff;
            padding: 10px 14px;
            font-size: 0.9rem;
            transition: var(--transition-base);
        }
        .cta-form .form-control::placeholder {
            color: rgba(255, 255, 255, 0.4);
        }
        .cta-form .form-control:focus,
        .cta-form .form-select:focus {
            background-color: rgba(255, 255, 255, 0.12);
            border-color: var(--accent);
            color: #fff;
            outline: none;
            box-shadow: 0 0 0 2px rgba(181, 121, 63, 0.3);
        }
        .cta-form .form-select option {
            color: var(--text-main);
            background-color: #fff;
        }
        .btn-accent {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-family: var(--font-sans);
            font-size: 0.95rem;
            font-weight: 600;
            color: #fff;
            background-color: var(--accent);
            border: none;
            border-radius: var(--radius-sm);
            padding: 12px 24px;
            transition: var(--transition-base);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }
        .btn-accent:hover {
            background-color: var(--accent-hover);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(181, 121, 63, 0.35);
        }

        /* 页脚 */
        .footer-custom {
            background-color: var(--primary);
            color: rgba(255, 255, 255, 0.75);
            padding: 48px 0 24px;
            margin-top: 32px;
            border-radius: var(--radius-lg) var(--radius-lg) 0 0;
        }
        .footer-custom .footer-brand {
            font-family: var(--font-serif);
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 12px;
            letter-spacing: 0.04em;
        }
        .footer-custom .brand-mark-footer {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background: linear-gradient(135deg, var(--accent), var(--accent-hover));
            color: #fff;
            font-size: 0.95rem;
            font-weight: 700;
            font-family: var(--font-sans);
        }
        .footer-custom .footer-desc {
            font-size: 0.88rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.65);
            max-width: 300px;
        }
        .footer-custom .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-custom .footer-links a {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.88rem;
            transition: var(--transition-base);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .footer-custom .footer-links a:hover {
            color: var(--accent);
            transform: translateX(4px);
        }
        .footer-custom .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 18px;
            margin-top: 32px;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-custom .footer-bottom a {
            color: rgba(255, 255, 255, 0.6);
        }
        .footer-custom .footer-bottom a:hover {
            color: var(--accent);
        }

        /* 响应式 */
        @media (max-width: 991px) {
            .navbar-custom {
                padding: 12px 16px;
                margin: 10px auto 4px;
            }
            .navbar-custom .navbar-brand {
                font-size: 1.15rem;
            }
            .navbar-cta {
                font-size: 0.78rem;
                padding: 8px 14px;
            }
            .category-hero h1 {
                font-size: 1.7rem;
            }
            .category-hero-right {
                flex: 1 1 100%;
                flex-direction: row;
                flex-wrap: wrap;
            }
            .hero-side-card {
                flex: 1 1 180px;
            }
            .summary-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .cta-panel {
                padding: 32px 24px;
            }
        }

        @media (max-width: 767px) {
            :root {
                --section-padding: var(--section-padding-mobile);
            }
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .navbar-custom {
                padding: 10px 12px;
                margin: 8px auto 2px;
                border-radius: var(--radius-md);
            }
            .navbar-custom .navbar-brand {
                font-size: 1rem;
            }
            .navbar-custom .navbar-brand .brand-mark {
                width: 28px;
                height: 28px;
                font-size: 0.85rem;
                border-radius: 6px;
            }
            .breadcrumb-wrapper {
                padding: 18px 0 0;
            }
            .category-hero {
                padding: 20px 0 16px;
            }
            .category-hero h1 {
                font-size: 1.4rem;
                line-height: 1.4;
            }
            .category-hero .lead-text {
                font-size: 0.9rem;
                line-height: 1.7;
            }
            .category-hero-right {
                flex-direction: column;
                gap: 10px;
            }
            .hero-side-card {
                flex: 1 1 auto;
            }
            .summary-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .summary-card {
                padding: 18px 16px;
            }
            .summary-card .summary-number {
                font-size: 2rem;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .section-header {
                margin-bottom: 22px;
            }
            .timeline-wrap {
                padding-left: 24px;
            }
            .timeline-wrap::before {
                left: 7px;
            }
            .timeline-step {
                padding-left: 10px;
                padding-bottom: 20px;
            }
            .timeline-step .step-dot {
                left: -24px;
                width: 16px;
                height: 16px;
            }
            .step-card {
                padding: 16px 14px;
            }
            .step-card .step-title {
                font-size: 1rem;
            }
            .step-card .step-desc {
                font-size: 0.85rem;
            }
            .filter-tags {
                gap: 6px;
            }
            .filter-tag {
                font-size: 0.78rem;
                padding: 6px 12px;
            }
            .faq-section {
                padding: 32px 0;
                margin: 20px 0;
            }
            .faq-section .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .cta-section {
                padding: 36px 0;
            }
            .cta-panel {
                padding: 26px 18px;
                border-radius: var(--radius-md);
            }
            .cta-panel .cta-title {
                font-size: 1.25rem;
            }
            .footer-custom {
                padding: 32px 0 18px;
                margin-top: 20px;
                border-radius: var(--radius-md) var(--radius-md) 0 0;
            }
            .footer-custom .footer-desc {
                max-width: 100%;
                font-size: 0.82rem;
            }
        }

        @media (max-width: 520px) {
            .category-hero h1 {
                font-size: 1.2rem;
            }
            .summary-grid {
                grid-template-columns: 1fr;
            }
            .step-card {
                padding: 14px 12px;
            }
            .step-card .step-header {
                gap: 8px;
            }
            .step-card .step-number {
                width: 26px;
                height: 26px;
                font-size: 0.78rem;
                border-radius: 6px;
            }
            .step-card .step-title {
                font-size: 0.95rem;
            }
            .btn-accent {
                font-size: 0.88rem;
                padding: 10px 18px;
            }
        }