/* roulang page: index */
:root {
            --primary: #A67C68;
            --primary-dark: #7F5D4D;
            --secondary: #3E5C50;
            --bg: #F7F5F1;
            --card-bg: #FFFFFF;
            --dark-footer: #23201C;
            --text: #22201C;
            --text-light: #6E6660;
            --border: #E9E2D9;
            --light-accent: #F3E9DC;
            --radius-card: 16px;
            --radius-btn: 999px;
            --radius-input: 10px;
            --shadow-1: 0 8px 30px rgba(60, 45, 35, .08);
            --shadow-2: 0 16px 40px rgba(60, 45, 35, .14);
            --container-w: 1200px;
            --transition: .2s ease;
        }
        *, *::before, *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: -apple-system, "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
            font-size: 1.0625rem;
            line-height: 1.7;
            color: var(--text);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }
        h1, h2, h3, h4, h5 {
            font-family: "Songti SC", "Noto Serif SC", "STSong", "SimSun", serif;
            font-weight: 600;
            line-height: 1.2;
            color: var(--text);
        }
        h1 {
            font-size: clamp(2.4rem, 5vw, 4rem);
        }
        h2 {
            font-size: clamp(1.6rem, 2.5vw, 2.4rem);
        }
        h3 {
            font-size: 1.35rem;
        }
        p {
            color: var(--text-light);
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--primary-dark);
        }
        img {
            max-width: 100%;
            height: auto;
        }
        .container {
            max-width: var(--container-w);
            padding-left: 24px;
            padding-right: 24px;
        }
        .section-space {
            padding: 5rem 0;
        }
        @media (max-width: 767px) {
            .section-space {
                padding: 3.5rem 0;
            }
        }
        /* Navbar */
        .custom-nav {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            box-shadow: 0 4px 20px rgba(60, 45, 35, .1);
            padding: 0;
            position: sticky;
            top: 0;
            z-index: 1030;
        }
        .navbar-brand {
            font-family: "Songti SC", "Noto Serif SC", "STSong", "SimSun", serif;
            font-size: 1.6rem;
            font-weight: 700;
            color: #fff !important;
            letter-spacing: 2px;
            padding: 0.6rem 0;
        }
        .navbar-nav .nav-link {
            color: rgba(255, 255, 255, .9) !important;
            font-size: 0.95rem;
            font-weight: 500;
            padding: 0.7rem 1rem !important;
            border-radius: var(--radius-btn);
            transition: all var(--transition);
        }
        .navbar-nav .nav-link:hover {
            background: rgba(255, 255, 255, .12);
            color: #fff !important;
        }
        .navbar-nav .nav-link.active {
            background: rgba(255, 255, 255, .12);
            color: #fff !important;
            box-shadow: inset 0 -2px 0 rgba(255, 255, 255, .7);
        }
        .nav-cta a {
            background: var(--secondary);
            color: #fff !important;
            border-radius: var(--radius-btn);
            padding: 0.5rem 1.4rem !important;
            font-weight: 600;
        }
        .nav-cta a:hover {
            background: #2f4a40;
            transform: translateY(-2px);
        }
        .navbar-toggler {
            border: 1px solid rgba(255,255,255,.4);
            padding: 0.25rem 0.6rem;
            border-radius: 8px;
        }
        .navbar-toggler:focus {
            box-shadow: 0 0 0 2px rgba(255,255,255,.5);
        }
        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255,255,255,.9)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }
        @media (max-width: 991px) {
            .navbar-nav {
                padding: 1rem 0;
            }
            .navbar-nav .nav-link {
                padding: 0.8rem 1rem !important;
            }
            .nav-cta a {
                display: inline-block;
                margin-left: 1rem;
            }
        }
        /* Buttons */
        .btn-custom {
            border-radius: var(--radius-btn);
            padding: 0.6rem 1.8rem;
            font-weight: 600;
            border: 2px solid transparent;
            transition: all var(--transition);
            font-size: 1rem;
        }
        .btn-primary-custom {
            background: var(--primary);
            color: #fff;
        }
        .btn-primary-custom:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: var(--shadow-2);
            color: #fff;
        }
        .btn-outline-custom {
            border-color: var(--primary);
            color: var(--primary);
            background: transparent;
        }
        .btn-outline-custom:hover {
            background: rgba(166, 124, 104, .15);
            border-color: var(--primary-dark);
            color: var(--primary-dark);
        }
        .btn-secondary-custom {
            background: var(--secondary);
            color: #fff;
        }
        .btn-secondary-custom:hover {
            background: #2f4a40;
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-2);
        }
        .btn-light-custom {
            background: var(--light-accent);
            color: var(--text);
        }
        .btn-light-custom:hover {
            background: #eedbc8;
            color: var(--text);
        }
        .btn:focus, .btn-custom:focus, .btn-primary-custom:focus {
            box-shadow: 0 0 0 3px rgba(166, 124, 104, .3);
            outline: none;
        }
        /* Hero */
        .hero-section {
            background: linear-gradient(135deg, rgba(247,245,241,.98) 0%, rgba(243,233,220,.7) 100%);
            padding: 5rem 0 4rem;
            min-height: 90vh;
            display: flex;
            align-items: center;
            position: relative;
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            right: -5%;
            top: -5%;
            width: 50%;
            height: 70%;
            background: url('/assets/images/backpic/back-1.jpg') no-repeat top right/cover;
            opacity: .08;
            border-radius: 24px;
            transform: rotate(3deg);
        }
        .hero-title {
            font-size: clamp(2.4rem, 5vw, 3.8rem);
            margin-bottom: 1rem;
            font-weight: 700;
        }
        .hero-subtitle {
            font-size: 1.125rem;
            line-height: 1.8;
            margin-bottom: 2rem;
            max-width: 520px;
        }
        .hero-img-wrapper {
            border-radius: 20px;
            overflow: hidden;
            box-shadow: var(--shadow-2);
            position: relative;
        }
        .hero-img-wrapper img {
            width: 100%;
            height: 520px;
            object-fit: cover;
            display: block;
            transition: transform .4s ease;
        }
        .hero-img-wrapper:hover img {
            transform: scale(1.03);
        }
        .hero-badge {
            display: inline-block;
            background: var(--secondary);
            color: #fff;
            font-size: 0.8rem;
            padding: 4px 14px;
            border-radius: var(--radius-btn);
            margin-bottom: 1.2rem;
            letter-spacing: 1px;
        }
        @media (max-width: 991px) {
            .hero-section {
                padding-top: 6rem;
            }
            .hero-img-wrapper img {
                height: 350px;
            }
        }
        /* 分类入口 */
        .cat-section {
            background: var(--bg);
        }
        .cat-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 2rem 1.5rem;
            text-align: center;
            transition: all var(--transition);
            box-shadow: var(--shadow-1);
            height: 100%;
            display: block;
            color: var(--text);
        }
        .cat-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-2);
            color: var(--text);
        }
        .cat-card .icon {
            font-size: 2.2rem;
            color: var(--primary);
            margin-bottom: 0.8rem;
        }
        .cat-card h3 {
            font-size: 1.2rem;
            margin-bottom: 0.5rem;
            font-family: "Songti SC", "Noto Serif SC", "STSong", "SimSun", serif;
        }
        .cat-card p {
            font-size: 0.9rem;
            line-height: 1.6;
            margin-bottom: 0;
        }
        @media (max-width: 767px) {
            .cat-card {
                padding: 1.5rem 1rem;
            }
        }
        /* 优势数据 */
        .stats-section {
            background: linear-gradient(135deg, var(--primary-dark), #6d4f42);
            color: #fff;
            padding: 4.5rem 0;
        }
        .stats-section .section-title {
            color: #fff;
            margin-bottom: 2.5rem;
        }
        .stat-item {
            text-align: center;
            padding: 1.5rem 1rem;
        }
        .stat-number {
            font-family: "Songti SC", "Noto Serif SC", "STSong", serif;
            font-size: clamp(2.5rem, 4vw, 3.5rem);
            font-weight: 700;
            color: var(--light-accent);
            line-height: 1;
            margin-bottom: 0.5rem;
        }
        .stat-label {
            color: rgba(255, 255, 255, .8);
            font-size: 0.9rem;
            letter-spacing: 1px;
        }
        /* 服务纵列 */
        .service-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .service-item {
            display: flex;
            align-items: center;
            padding: 2rem 1.5rem;
            border-bottom: 1px solid var(--border);
            transition: background var(--transition), transform var(--transition);
            border-radius: 8px;
            cursor: default;
        }
        .service-item:first-child {
            border-top: 1px solid var(--border);
        }
        .service-item:hover {
            background: var(--light-accent);
        }
        .service-item:hover .service-num {
            color: var(--primary);
            transform: translateX(6px);
        }
        .service-num {
            font-family: "Songti SC", "Noto Serif SC", serif;
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--border);
            width: 90px;
            min-width: 90px;
            transition: all var(--transition);
        }
        .service-body {
            flex: 1;
            padding: 0 1.5rem;
        }
        .service-body h3 {
            margin-bottom: 0.3rem;
            font-size: 1.35rem;
        }
        .service-body p {
            margin-bottom: 0;
            font-size: 0.95rem;
            line-height: 1.6;
        }
        .service-arrow {
            font-size: 1.4rem;
            color: var(--primary);
            opacity: 0.6;
            transition: opacity var(--transition);
            padding: 0 1rem;
        }
        .service-item:hover .service-arrow {
            opacity: 1;
        }
        @media (max-width: 768px) {
            .service-item {
                flex-wrap: wrap;
                padding: 1.5rem 1rem;
            }
            .service-num {
                width: 60px;
                min-width: 60px;
                font-size: 1.8rem;
            }
            .service-body {
                padding: 0 1rem;
                width: calc(100% - 60px);
            }
        }
        /* 案例 */
        .case-card {
            background: var(--card-bg);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-1);
            transition: all var(--transition);
            border: 1px solid var(--border);
            height: 100%;
        }
        .case-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-2);
        }
        .case-card-img {
            overflow: hidden;
            position: relative;
        }
        .case-card-img img {
            width: 100%;
            height: 220px;
            object-fit: cover;
            display: block;
            transition: transform .4s ease;
        }
        .case-card:hover .case-card-img img {
            transform: scale(1.03);
        }
        .case-card-body {
            padding: 1.5rem;
        }
        .case-card-body h3 {
            font-size: 1.15rem;
            margin-bottom: 0.5rem;
        }
        .case-card-body p {
            font-size: 0.9rem;
            line-height: 1.6;
            margin-bottom: 0;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .case-card-lg .case-card-img img {
            height: 300px;
        }
        @media (max-width: 767px) {
            .case-card-img img, .case-card-lg .case-card-img img {
                height: 200px;
            }
        }
        /* 方案时间轴 */
        .plan-section {
            background: var(--bg);
        }
        .timeline {
            position: relative;
            padding-left: 30px;
            margin-left: 10px;
            list-style: none;
        }
        .timeline::before {
            content: '';
            position: absolute;
            left: 12px;
            top: 10px;
            bottom: 10px;
            width: 2px;
            background: linear-gradient(to bottom, var(--primary), var(--secondary));
        }
        .timeline-item {
            position: relative;
            margin-bottom: 2.5rem;
        }
        .timeline-item:last-child {
            margin-bottom: 0;
        }
        .timeline-dot {
            position: absolute;
            left: -30px;
            top: 2px;
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: var(--secondary);
            border: 3px solid var(--light-accent);
            z-index: 1;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.65rem;
            color: #fff;
            font-weight: 700;
        }
        .timeline-item h4 {
            font-size: 1.1rem;
            margin-bottom: 0.3rem;
            color: var(--text);
        }
        .timeline-item p {
            font-size: 0.9rem;
            margin-bottom: 0;
        }
        .plan-cta-band {
            background: linear-gradient(rgba(35, 32, 28, .75), rgba(35, 32, 28, .75)), url('/assets/images/backpic/back-3.jpg') center/cover;
            border-radius: var(--radius-card);
            padding: 3.5rem 3rem;
            color: #fff;
            margin-top: 4rem;
            text-align: center;
        }
        .plan-cta-band h3 {
            color: #fff;
            font-size: 1.8rem;
            margin-bottom: 0.6rem;
        }
        .plan-cta-band p {
            color: rgba(255, 255, 255, .8);
            margin-bottom: 1.5rem;
        }
        @media (max-width: 767px) {
            .plan-cta-band {
                padding: 2rem 1.5rem;
            }
        }
        /* FAQ */
        .faq-accordion {
            border-top: 1px solid var(--border);
        }
        .faq-item {
            border-bottom: 1px solid var(--border);
        }
        .faq-button {
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
            padding: 1.5rem 1rem;
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--text);
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: color var(--transition);
            cursor: pointer;
        }
        .faq-button:hover {
            color: var(--primary);
        }
        .faq-button[aria-expanded="true"] {
            color: var(--primary);
        }
        .faq-icon {
            width: 18px;
            height: 18px;
            position: relative;
            display: inline-block;
            margin-left: 1rem;
            flex-shrink: 0;
        }
        .faq-icon::before, .faq-icon::after {
            content: '';
            position: absolute;
            background: var(--text);
            border-radius: 4px;
            transition: transform .25s ease;
        }
        .faq-icon::before {
            top: 8px;
            left: 0;
            width: 18px;
            height: 2px;
        }
        .faq-icon::after {
            top: 0;
            left: 8px;
            width: 2px;
            height: 18px;
        }
        .faq-button[aria-expanded="true"] .faq-icon::after {
            transform: scaleY(0);
        }
        .faq-button[aria-expanded="true"] .faq-icon::before {
            background: var(--primary);
        }
        .faq-body {
            padding: 0 1rem 1.5rem;
            color: var(--text-light);
            font-size: 0.95rem;
            line-height: 1.7;
        }
        /* 联系 */
        .contact-section {
            background: var(--card-bg);
        }
        .contact-info-img {
            border-radius: var(--radius-card);
            overflow: hidden;
            margin-bottom: 1.5rem;
        }
        .contact-info-img img {
            width: 100%;
            height: 200px;
            object-fit: cover;
        }
        .contact-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .contact-list li {
            padding: 0.5rem 0;
            display: flex;
            align-items: center;
            gap: 0.75rem;
            font-size: 0.95rem;
            color: var(--text-light);
        }
        .contact-list li i {
            color: var(--primary);
            width: 20px;
            text-align: center;
        }
        .contact-form .form-control, .contact-form .form-select {
            border: 1px solid var(--border);
            border-radius: var(--radius-input);
            padding: 0.75rem 1rem;
            font-size: 0.95rem;
            background: var(--bg);
        }
        .contact-form .form-control:focus, .contact-form .form-select:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(166, 124, 104, .15);
            background: #fff;
        }
        .contact-form .form-label {
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text);
        }
        /* Footer */
        .custom-footer {
            background: var(--dark-footer);
            color: #DAD3CC;
            padding: 4rem 0 2rem;
        }
        .custom-footer h5 {
            color: #fff;
            font-size: 1.1rem;
            margin-bottom: 1rem;
        }
        .custom-footer a {
            color: #DAD3CC;
        }
        .custom-footer a:hover {
            color: var(--light-accent);
        }
        .footer-brand {
            font-family: "Songti SC", "Noto Serif SC", serif;
            font-size: 1.8rem;
            color: #fff !important;
            letter-spacing: 2px;
        }
        .footer-desc {
            font-size: 0.9rem;
            line-height: 1.6;
            color: rgba(218, 211, 204, .7);
            margin-top: 0.8rem;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links li {
            margin-bottom: 0.5rem;
        }
        .footer-links a {
            font-size: 0.9rem;
        }
        .footer-contact {
            font-size: 0.9rem;
        }
        .footer-contact i {
            margin-right: 0.5rem;
            color: var(--primary);
        }
        .footer-bottom {
            border-top: 1px solid rgba(218, 211, 204, .15);
            padding-top: 1.8rem;
            margin-top: 3rem;
            font-size: 0.85rem;
            color: rgba(218, 211, 204, .6);
            text-align: center;
        }
        /* Scroll reveal */
        .reveal {
            opacity: 0;
            transform: translateY(16px);
            transition: opacity .5s ease, transform .5s ease;
        }
        .reveal.active {
            opacity: 1;
            transform: translateY(0);
        }
        /* Focus visibility */
        a:focus-visible, button:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
            border-radius: 4px;
        }
        /* Badge */
        .custom-badge {
            display: inline-block;
            background: rgba(166, 124, 104, .15);
            color: var(--primary-dark);
            font-size: 0.75rem;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: var(--radius-btn);
        }
        .custom-badge-dark {
            background: var(--secondary);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: var(--radius-btn);
        }
        /* Section header */
        .section-header {
            margin-bottom: 3rem;
        }
        .section-header h2 {
            margin-bottom: 0.8rem;
        }
        .section-header p {
            max-width: 640px;
            margin: 0 auto;
            font-size: 1rem;
        }
        .section-title-left h2 {
            margin-bottom: 0.5rem;
        }
        .section-title-left p {
            margin-bottom: 0;
        }
        /* 降级动画 */
        @media (prefers-reduced-motion: reduce) {
            * {
                transition: none !important;
                animation: none !important;
            }
            .reveal {
                opacity: 1;
                transform: none;
            }
        }

/* roulang page: category1 */
:root {
    --primary: #A67C68;
    --primary-dark: #7F5D4D;
    --secondary: #3E5C50;
    --bg: #F7F5F1;
    --card-bg: #FFFFFF;
    --dark-footer: #23201C;
    --text: #22201C;
    --text-light: #6E6660;
    --border: #E9E2D9;
    --light-accent: #F3E9DC;
    --radius-card: 16px;
    --radius-btn: 999px;
    --radius-input: 10px;
    --shadow-1: 0 8px 30px rgba(60, 45, 35, .08);
    --shadow-2: 0 16px 40px rgba(60, 45, 35, .14);
    --container-w: 1200px;
    --transition: .2s ease;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
    font-family: -apple-system, "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
    font-size: 1.0625rem;
    line-height: 1.7;
    color: var(--text);
    background-color: var(--bg);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}
a { color: var(--primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--primary-dark); }
img { max-width: 100%; height: auto; }
.container { max-width: var(--container-w); padding-left: 24px; padding-right: 24px; }
.section-space { padding: 5rem 0; }
@media (max-width: 768px) { .section-space { padding: 3.5rem 0; } }

/* ===== 导航 ===== */
.custom-nav {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    box-shadow: 0 4px 20px rgba(60, 45, 35, .1);
    padding: 0;
    position: sticky;
    top: 0;
    z-index: 1030;
}
.navbar-brand {
    font-family: "Songti SC", "Noto Serif SC", "STSong", "SimSun", serif;
    font-size: 1.6rem;
    font-weight: 700;
    color: #fff !important;
    letter-spacing: 2px;
    padding: 0.6rem 0;
}
.navbar-nav .nav-link {
    color: rgba(255, 255, 255, .9) !important;
    font-size: 0.95rem;
    font-weight: 500;
    padding: 0.7rem 1rem !important;
    border-radius: var(--radius-btn);
    transition: all var(--transition);
}
.navbar-nav .nav-link:hover { background: rgba(255, 255, 255, .12); color: #fff !important; }
.navbar-nav .nav-link.active { background: rgba(255, 255, 255, .12); color: #fff !important; box-shadow: inset 0 -2px 0 rgba(255, 255, 255, .7); }
.nav-cta a { background: var(--secondary); color: #fff !important; border-radius: var(--radius-btn); padding: 0.5rem 1.4rem !important; font-weight: 600; }
.nav-cta a:hover { background: #2f4a40; transform: translateY(-2px); }
.navbar-toggler { border: 1px solid rgba(255,255,255,.4); padding: 0.25rem 0.6rem; border-radius: 8px; }
.navbar-toggler:focus { box-shadow: 0 0 0 2px rgba(255,255,255,.5); }
.navbar-toggler-icon { background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255,255,255,.9)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e"); }
@media (max-width: 991px) {
    .navbar-nav { padding: 1rem 0; }
    .navbar-nav .nav-link { padding: 0.8rem 1rem !important; }
    .nav-cta a { display: inline-block; margin-left: 0; margin-top: 0.5rem; }
}

/* ===== 按钮 ===== */
.btn-custom { border-radius: var(--radius-btn); padding: 0.6rem 1.8rem; font-weight: 600; border: 2px solid transparent; transition: all var(--transition); font-size: 1rem; display: inline-flex; align-items: center; gap: 0.4rem; }
.btn-primary-custom { background: var(--primary); color: #fff; }
.btn-primary-custom:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: var(--shadow-2); color: #fff; }
.btn-outline-custom { border-color: var(--primary); color: var(--primary); background: transparent; }
.btn-outline-custom:hover { background: rgba(166, 124, 104, .15); border-color: var(--primary-dark); color: var(--primary-dark); }
.btn-secondary-custom { background: var(--secondary); color: #fff; }
.btn-secondary-custom:hover { background: #2f4a40; color: #fff; transform: translateY(-2px); box-shadow: var(--shadow-2); }
.btn-light-custom { background: var(--light-accent); color: var(--text); }
.btn-light-custom:hover { background: #eedbc8; color: var(--text); }
.btn:focus, .btn-custom:focus { box-shadow: 0 0 0 3px rgba(166, 124, 104, .3); outline: none; }

/* ===== 分类页 Hero ===== */
.category-hero {
    background: linear-gradient(135deg, #2a2622 0%, #4a3a31 60%, #5c4638 100%);
    position: relative;
    padding: 4.5rem 0 3.5rem;
    color: #fff;
    overflow: hidden;
}
.category-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url('/assets/images/backpic/back-2.jpg') no-repeat center/cover;
    opacity: .28;
}
.category-hero::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(100deg, rgba(35,32,28,.92) 20%, rgba(35,32,28,.6) 70%, rgba(35,32,28,.4));
}
.category-hero .container { position: relative; z-index: 2; }
.breadcrumb-custom {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 0.85rem;
    color: rgba(255,255,255,.7);
    margin-bottom: 2rem;
    padding: 0;
    background: transparent;
}
.breadcrumb-custom a { color: rgba(255,255,255,.75); border-bottom: 1px solid rgba(255,255,255,.3); }
.breadcrumb-custom a:hover { color: #fff; border-bottom-color: #fff; }
.breadcrumb-custom span { color: rgba(255,255,255,.9); }
.category-hero h1 {
    font-family: "Songti SC", "Noto Serif SC", "STSong", "SimSun", serif;
    font-size: clamp(2rem, 3.5vw, 2.8rem);
    font-weight: 700;
    margin-bottom: 1rem;
    letter-spacing: 2px;
}
.category-hero p {
    font-size: 1.05rem;
    line-height: 1.8;
    max-width: 640px;
    color: rgba(255,255,255,.85);
    margin-bottom: 0;
}

/* ===== 分类主体 ===== */
.category-main { padding: 4rem 0 5rem; }

/* Tab 筛选 */
.filter-tabs { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 2.5rem; }
.filter-btn {
    border: 1px solid var(--border);
    background: var(--card-bg);
    color: var(--text-light);
    border-radius: 999px;
    padding: 0.45rem 1.3rem;
    font-size: 0.85rem;
    font-weight: 500;
    transition: all var(--transition);
    cursor: pointer;
}
.filter-btn:hover { border-color: var(--primary); color: var(--primary); }
.filter-btn.active { background: var(--secondary); border-color: var(--secondary); color: #fff; }

/* 大卡 */
.feature-card {
    display: flex;
    flex-direction: row;
    background: var(--card-bg);
    border-radius: var(--radius-card);
    overflow: hidden;
    box-shadow: var(--shadow-1);
    margin-bottom: 1.5rem;
    transition: all .3s ease;
}
.feature-card:hover { box-shadow: var(--shadow-2); transform: translateY(-4px); }
.feature-card-img { flex: 0 0 45%; overflow: hidden; min-height: 280px; }
.feature-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.feature-card:hover .feature-card-img img { transform: scale(1.03); }
.feature-card-body { flex: 1; padding: 2rem 2.2rem; display: flex; flex-direction: column; justify-content: center; }
.feature-card-title { font-family: "Songti SC", "Noto Serif SC", "STSong", "SimSun", serif; font-size: 1.5rem; font-weight: 700; margin: 0.7rem 0 0.8rem; line-height: 1.35; color: var(--text); }
.feature-card-excerpt { color: var(--text-light); font-size: 0.95rem; line-height: 1.75; margin-bottom: 1.2rem; }

/* 常规卡 */
.card-normal {
    background: var(--card-bg);
    border-radius: var(--radius-card);
    overflow: hidden;
    box-shadow: var(--shadow-1);
    transition: all .3s ease;
    margin-bottom: 1.5rem;
    display: flex;
    flex-direction: column;
    height: calc(100% - 1.5rem);
}
.card-normal:hover { box-shadow: var(--shadow-2); transform: translateY(-4px); }
.card-normal-img { position: relative; overflow: hidden; aspect-ratio: 16 / 10; }
.card-normal-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.card-normal:hover .card-normal-img img { transform: scale(1.03); }
.card-tag {
    position: absolute;
    top: 14px;
    left: 14px;
    background: var(--secondary);
    color: #fff;
    font-size: 0.75rem;
    padding: 4px 12px;
    border-radius: 999px;
    z-index: 2;
    font-weight: 500;
}
.card-tag-alt { position: static; display: inline-block; background: rgba(166,124,104,.15); color: var(--primary-dark); margin-bottom: 0.6rem; }
.card-normal-body { padding: 1.5rem 1.5rem 1.8rem; display: flex; flex-direction: column; flex: 1; }
.card-normal-title { font-family: "Songti SC", "Noto Serif SC", "STSong", "SimSun", serif; font-size: 1.2rem; font-weight: 700; line-height: 1.4; margin-bottom: 0.6rem; color: var(--text); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.card-normal-excerpt { color: var(--text-light); font-size: 0.9rem; line-height: 1.7; margin-bottom: 1rem; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.card-meta { display: flex; gap: 1.2rem; font-size: 0.8rem; color: var(--text-light); margin-bottom: 1rem; }
.card-meta span { display: inline-flex; align-items: center; gap: 0.3rem; }
.read-more { font-size: 0.88rem; font-weight: 600; color: var(--primary); display: inline-flex; align-items: center; gap: 0.4rem; transition: gap .2s ease, color .2s ease; }
.read-more:hover { color: var(--primary-dark); gap: 0.7rem; }

/* 分页 */
.pagination-custom { display: flex; justify-content: center; gap: 0.4rem; margin-top: 2.5rem; }
.pagination-custom a {
    display: inline-flex; align-items: center; justify-content: center;
    min-width: 42px; height: 42px; border-radius: 999px;
    border: 1px solid var(--border); background: var(--card-bg);
    color: var(--text-light); font-weight: 500; font-size: 0.9rem;
    transition: all var(--transition);
}
.pagination-custom a:hover { border-color: var(--primary); background: rgba(166,124,104,.1); color: var(--primary); }
.pagination-custom a.active { background: var(--primary); border-color: var(--primary); color: #fff; }

/* ===== 侧栏 ===== */
.sidebar-widget {
    background: var(--card-bg);
    border-radius: var(--radius-card);
    box-shadow: var(--shadow-1);
    padding: 1.8rem;
    margin-bottom: 1.8rem;
}
.sidebar-widget h4 {
    font-family: "Songti SC", "Noto Serif SC", "STSong", "SimSun", serif;
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 1.2rem;
    padding-bottom: 0.8rem;
    border-bottom: 1px solid var(--border);
    position: relative;
}
.sidebar-widget h4::after {
    content: '';
    position: absolute;
    left: 0; bottom: -1px;
    width: 36px; height: 2px;
    background: var(--primary);
}
.hot-item { display: flex; align-items: baseline; gap: 1rem; padding: 0.8rem 0; border-bottom: 1px solid var(--border); }
.hot-item:last-child { border-bottom: 0; padding-bottom: 0; }
.hot-num { font-family: "Songti SC", "Noto Serif SC", serif; font-size: 1.15rem; font-weight: 700; color: var(--primary); min-width: 34px; }
.hot-title { font-size: 0.92rem; color: var(--text); line-height: 1.5; transition: color .2s ease; }
.hot-item:hover .hot-title { color: var(--primary); }
.tag-items { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.tag-item {
    display: inline-block;
    background: rgba(166,124,104,.1);
    color: var(--primary-dark);
    font-size: 0.78rem;
    padding: 4px 12px;
    border-radius: 999px;
    transition: all .2s ease;
}
.tag-item:hover { background: var(--primary); color: #fff; }
.sidebar-cta {
    border-radius: var(--radius-card);
    padding: 2rem 1.8rem;
    background: url('/assets/images/backpic/back-3.jpg') no-repeat center/cover;
    position: relative;
    overflow: hidden;
    color: #fff;
    box-shadow: var(--shadow-1);
}
.sidebar-cta::before { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(35,32,28,.3) 0%, rgba(35,32,28,.88) 100%); }
.sidebar-cta-content { position: relative; z-index: 2; }
.sidebar-cta h4 { font-family: "Songti SC", "Noto Serif SC", "STSong", serif; font-size: 1.3rem; font-weight: 700; margin-bottom: 0.8rem; color: #fff; }
.sidebar-cta p { font-size: 0.88rem; color: rgba(255,255,255,.85); line-height: 1.7; margin-bottom: 1.2rem; }
.sidebar-cta .btn { width: 100%; justify-content: center; }

/* ===== FAQ 分隔线列表 ===== */
.faq-section { background: var(--bg); }
.section-head { margin-bottom: 2.5rem; }
.section-head h2 { font-family: "Songti SC", "Noto Serif SC", "STSong", "SimSun", serif; font-size: clamp(1.6rem, 2.5vw, 2.2rem); font-weight: 700; }
.section-head p { color: var(--text-light); margin-top: 0.6rem; }
.faq-line .accordion-item { background: transparent; border: 0; border-bottom: 1px solid var(--border); border-radius: 0; }
.faq-line .accordion-button {
    background: transparent;
    color: var(--text);
    font-size: 1.02rem;
    font-weight: 600;
    padding: 1.3rem 0;
    box-shadow: none;
    font-family: "Songti SC", "Noto Serif SC", "STSong", "SimSun", serif;
}
.faq-line .accordion-button:focus { box-shadow: none; }
.faq-line .accordion-button:not(.collapsed) { background: transparent; color: var(--primary); }
.faq-line .accordion-button::after {
    width: 18px; height: 18px;
    background-size: 18px;
    filter: none;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23A67C68'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
}
.faq-line .accordion-button:not(.collapsed)::after {
    transform: rotate(180deg);
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23A67C68'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
}
.faq-line .accordion-body { color: var(--text-light); font-size: 0.95rem; padding: 0 0 1.5rem; line-height: 1.75; }

/* ===== CTA 横条 ===== */
.cta-banner {
    position: relative;
    padding: 4.5rem 0;
    background: url('/assets/images/backpic/back-4.jpg') no-repeat center/cover;
    background-attachment: fixed;
}
.cta-banner::before { content: ''; position: absolute; inset: 0; background: rgba(35,32,28,.72); }
.cta-banner .container { position: relative; z-index: 2; text-align: center; color: #fff; }
.cta-banner h2 { font-family: "Songti SC", "Noto Serif SC", "STSong", "SimSun", serif; font-size: clamp(1.6rem, 3vw, 2.4rem); font-weight: 700; margin-bottom: 0.8rem; }
.cta-banner p { color: rgba(255,255,255,.85); font-size: 1rem; margin-bottom: 1.8rem; max-width: 560px; margin-left: auto; margin-right: auto; }

/* ===== 页脚 ===== */
.custom-footer { background: var(--dark-footer); color: #DAD3CC; padding: 4rem 0 0; }
.footer-brand { font-family: "Songti SC", "Noto Serif SC", "STSong", "SimSun", serif; font-size: 1.7rem; font-weight: 700; color: #fff !important; letter-spacing: 2px; }
.footer-desc { margin-top: 1rem; font-size: 0.9rem; color: rgba(218,211,204,.7); line-height: 1.8; max-width: 340px; }
.custom-footer h5 { color: #fff; font-size: 1rem; font-weight: 600; margin-bottom: 1rem; font-family: "Songti SC", "Noto Serif SC", "STSong", serif; }
.footer-links { list-style: none; padding: 0; margin: 0; }
.footer-links li { margin-bottom: 0.6rem; }
.footer-links a { color: rgba(218,211,204,.7); font-size: 0.9rem; transition: color .2s ease; }
.footer-links a:hover { color: var(--light-accent); }
.footer-contact { color: rgba(218,211,204,.7); font-size: 0.88rem; margin-bottom: 0.5rem; }
.footer-contact i { width: 20px; color: var(--primary); margin-right: 0.2rem; }
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,.08);
    padding: 1.5rem 0;
    margin-top: 3rem;
    text-align: center;
    font-size: 0.85rem;
    color: rgba(218,211,204,.5);
}
.footer-bottom a { color: rgba(218,211,204,.6); }
.footer-bottom a:hover { color: #fff; }

/* ===== 滚动入场 ===== */
.reveal { opacity: 0; transform: translateY(16px); transition: opacity .5s ease, transform .5s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ===== 响应式 ===== */
@media (max-width: 991px) {
    .feature-card { flex-direction: column; }
    .feature-card-img { flex: 0 0 auto; min-height: 0; aspect-ratio: 16/9; }
}
@media (max-width: 768px) {
    .container { padding-left: 20px; padding-right: 20px; }
    .category-hero { padding: 3rem 0 2.5rem; }
    .filter-tabs { gap: 0.4rem; }
    .filter-btn { padding: 0.4rem 1rem; font-size: 0.8rem; }
    .feature-card-body { padding: 1.5rem 1.4rem; }
    .card-normal { height: auto; }
    .card-normal-body { padding: 1.2rem 1.2rem 1.5rem; }
    .sidebar-widget { padding: 1.4rem; }
    .cta-banner { background-attachment: scroll; padding: 3.5rem 0; }
    .cta-banner .btn { display: inline-flex; }
    .pagination-custom a { min-width: 38px; height: 38px; }
}

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}