/* roulang page: index */
:root {
            --primary: #0F1115;
            --accent: #C89B3C;
            --accent-hover: #D9AD4E;
            --secondary: #A97B50;
            --bg-warm: #F7F5F0;
            --bg-white: #FFFFFF;
            --text-dark: #1F242B;
            --text-muted: #6B7280;
            --text-light: #F3F4F6;
            --text-light-muted: #9CA3AF;
            --border: #E5E0D8;
            --radius-lg: 20px;
            --radius-md: 12px;
            --radius-sm: 10px;
            --shadow-light: 0 1px 2px rgba(15,17,21,0.06), 0 12px 32px rgba(15,17,21,0.08);
            --shadow-dark: 0 16px 40px rgba(0,0,0,0.3);
            --space-section: clamp(3rem, 6vw, 6rem);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            font-size: 1rem;
            line-height: 1.75;
            color: var(--text-dark);
            background: var(--bg-white);
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            text-decoration: none;
            color: inherit;
            transition: color .25s ease;
        }

        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        .section-spacing {
            padding: var(--space-section) 0;
        }

        .section-bg-warm {
            background: var(--bg-warm);
        }

        .section-bg-white {
            background: var(--bg-white);
        }

        .section-bg-dark {
            background: var(--primary);
        }

        .section-header {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            margin-bottom: 40px;
            flex-wrap: wrap;
            gap: 16px;
        }

        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: .75rem;
            font-weight: 500;
            letter-spacing: .12em;
            text-transform: uppercase;
            color: var(--accent);
            background: rgba(200, 155, 60, 0.1);
            padding: 6px 14px;
            border-radius: 999px;
            border: 1px solid rgba(200, 155, 60, 0.3);
            margin-bottom: 10px;
        }

        .section-title {
            font-size: clamp(1.5rem, 3vw, 2.25rem);
            font-weight: 700;
            line-height: 1.25;
            color: var(--text-dark);
        }

        .section-link {
            font-size: .875rem;
            font-weight: 500;
            color: var(--accent);
            border-bottom: 1px solid transparent;
            transition: border-color .25s ease;
        }
        .section-link:hover {
            border-color: var(--accent);
            color: var(--accent-hover);
        }

        /* 按钮 */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-weight: 600;
            font-size: .9375rem;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: all .25s ease;
            line-height: 1.2;
        }

        .btn-accent {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 4px 16px rgba(200, 155, 60, 0.3);
        }
        .btn-accent:hover {
            background: var(--accent-hover);
            box-shadow: 0 4px 24px rgba(200, 155, 60, 0.45);
            transform: translateY(-2px);
        }

        .btn-outline-light {
            border: 1px solid rgba(255, 255, 255, 0.4);
            color: #fff;
            background: rgba(255, 255, 255, 0.08);
        }
        .btn-outline-light:hover {
            border-color: rgba(255, 255, 255, 0.8);
            background: rgba(255, 255, 255, 0.14);
            transform: translateY(-2px);
        }

        .btn-outline-dark {
            border: 1px solid var(--border);
            color: var(--text-dark);
            background: transparent;
        }
        .btn-outline-dark:hover {
            border-color: var(--accent);
            color: var(--accent);
            transform: translateY(-2px);
        }

        /* 导航 */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 50;
            --nav-text: #F3F4F6;
            --nav-muted: rgba(255, 255, 255, 0.75);
            --nav-bg: rgba(15, 17, 21, 0.55);
            --nav-border: rgba(255, 255, 255, 0.18);
            background: var(--nav-bg);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--nav-border);
            transition: all .3s ease;
        }

        .site-header.scrolled {
            --nav-text: #1F242B;
            --nav-muted: #6B7280;
            --nav-bg: rgba(255, 255, 255, 0.92);
            --nav-border: rgba(15, 17, 21, 0.08);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            box-shadow: 0 4px 20px rgba(15, 17, 21, 0.08);
        }

        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 76px;
            transition: height .3s ease;
        }

        .site-header.scrolled .nav-container {
            height: 64px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .logo-mark {
            width: 36px;
            height: 36px;
            border-radius: 9px;
            background: linear-gradient(135deg, var(--accent) 0%, var(--secondary) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.125rem;
            color: #fff;
            letter-spacing: -1px;
            box-shadow: 0 4px 12px rgba(200, 155, 60, 0.3);
        }

        .logo-text {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--nav-text);
            letter-spacing: .02em;
            transition: color .3s ease;
            white-space: nowrap;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .nav-link {
            position: relative;
            font-size: .9375rem;
            font-weight: 500;
            color: var(--nav-text);
            padding: 8px 16px;
            border-radius: 8px;
            transition: color .25s ease, background .25s ease;
        }
        .nav-link:hover {
            color: var(--accent);
        }
        .nav-link.active {
            color: var(--accent);
            font-weight: 600;
        }
        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 16px;
            right: 16px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }

        .nav-right {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .search-btn {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--nav-text);
            background: transparent;
            cursor: pointer;
            transition: background .25s ease, color .25s ease;
        }
        .search-btn:hover {
            background: rgba(200, 155, 60, 0.15);
            color: var(--accent);
        }

        .nav-cta {
            font-size: .875rem;
            padding: 10px 20px;
        }

        .menu-toggle {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: 10px;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
            cursor: pointer;
            background: transparent;
            border: 1px solid var(--nav-border);
        }
        .menu-toggle span {
            display: block;
            width: 18px;
            height: 2px;
            background: var(--nav-text);
            border-radius: 2px;
            transition: all .3s ease;
        }
        .menu-toggle.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .menu-toggle.active span:nth-child(2) {
            opacity: 0;
        }
        .menu-toggle.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: var(--primary);
            z-index: 100;
            padding: 110px 40px 40px;
            flex-direction: column;
            gap: 10px;
            opacity: 0;
            visibility: hidden;
            transition: opacity .4s ease, visibility .4s ease;
        }
        .mobile-menu.open {
            opacity: 1;
            visibility: visible;
        }
        .mobile-menu a {
            font-size: 1.5rem;
            font-weight: 600;
            color: var(--text-light);
            padding: 16px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }
        .mobile-menu a:hover {
            color: var(--accent);
        }
        .mobile-menu .close-btn {
            position: absolute;
            top: 30px;
            right: 30px;
            width: 42px;
            height: 42px;
            border-radius: 50%;
            border: 1px solid rgba(255, 255, 255, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-light);
            font-size: 1.25rem;
            cursor: pointer;
            background: transparent;
        }

        /* Hero */
        .hero {
            position: relative;
            min-height: 92vh;
            display: flex;
            align-items: center;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            overflow: hidden;
        }
        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 17, 21, 0.92) 25%, rgba(15, 17, 21, 0.72) 60%, rgba(15, 17, 21, 0.5) 100%);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 60px;
            align-items: center;
            padding-top: 120px;
            padding-bottom: 80px;
            width: 100%;
        }
        .hero-left {
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            gap: 24px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            border: 1px solid rgba(200, 155, 60, 0.5);
            border-radius: 999px;
            padding: 6px 16px;
            font-size: .8125rem;
            font-weight: 500;
            color: var(--accent);
            background: rgba(200, 155, 60, 0.08);
            letter-spacing: .06em;
        }
        .hero-badge i {
            font-size: .75rem;
        }
        .hero h1 {
            font-size: clamp(2rem, 4vw, 3rem);
            font-weight: 700;
            line-height: 1.15;
            color: var(--text-light);
            margin: 0;
            max-width: 640px;
        }
        .hero h1 span {
            color: var(--accent);
        }
        .hero-subtitle {
            font-size: clamp(1rem, 1.5vw, 1.125rem);
            color: #D1D5DB;
            line-height: 1.75;
            max-width: 500px;
            margin: 0;
        }
        .hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            margin-top: 8px;
        }
        .hero-right {
            position: relative;
            display: flex;
            justify-content: center;
        }
        .hero-card {
            width: min(100%, 320px);
            aspect-ratio: 3 / 4;
            border-radius: 16px;
            overflow: hidden;
            border: 1px solid rgba(255, 255, 255, 0.2);
            box-shadow: 0 24px 64px rgba(0, 0, 0, 0.4);
            position: relative;
            background: var(--primary);
        }
        .hero-card img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .hero-card-info {
            position: absolute;
            left: 14px;
            right: 14px;
            bottom: 14px;
            background: rgba(15, 17, 21, 0.6);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-radius: 12px;
            padding: 12px 16px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            border: 1px solid rgba(255, 255, 255, 0.12);
        }
        .hero-card-info span {
            font-size: .8125rem;
            color: var(--text-light);
            font-weight: 500;
        }
        .hero-card-info .dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: #10B981;
            display: inline-block;
            margin-right: 6px;
        }

        /* 统计条 */
        .stats-bar {
            border-bottom: 1px solid var(--border);
            background: var(--bg-white);
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            padding: 48px 0;
        }
        .stat-item {
            text-align: center;
            position: relative;
            padding: 20px 10px;
        }
        .stat-item:not(:last-child)::after {
            content: '';
            position: absolute;
            right: -12px;
            top: 25%;
            height: 50%;
            width: 1px;
            background: var(--border);
        }
        .stat-number {
            font-size: clamp(2rem, 4.5vw, 3.5rem);
            font-weight: 800;
            line-height: 1;
            color: var(--primary);
            letter-spacing: -0.02em;
        }
        .stat-number span {
            color: var(--accent);
        }
        .stat-label {
            margin-top: 10px;
            font-size: .875rem;
            color: var(--text-muted);
            font-weight: 500;
        }

        /* 爆款片段区 */
        .featured-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }
        .featured-main {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            background: var(--primary);
            min-height: 380px;
            display: flex;
            align-items: flex-end;
            box-shadow: var(--shadow-light);
            transition: transform .3s ease, box-shadow .3s ease;
        }
        .featured-main:hover {
            transform: translateY(-4px);
            box-shadow: 0 20px 44px rgba(15, 17, 21, 0.14);
        }
        .featured-main img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .featured-main::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(15, 17, 21, 0.1) 30%, rgba(15, 17, 21, 0.85) 100%);
        }
        .featured-main-content {
            position: relative;
            z-index: 2;
            padding: 28px;
            width: 100%;
        }
        .featured-main-content .play-btn {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.18);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: .875rem;
            margin-bottom: 14px;
            transition: all .25s ease;
        }
        .featured-main:hover .play-btn {
            background: var(--accent);
            border-color: var(--accent);
        }
        .featured-main-content .duration {
            position: absolute;
            top: 20px;
            right: 20px;
            background: rgba(15, 17, 21, 0.7);
            color: var(--text-light);
            font-size: .75rem;
            padding: 4px 10px;
            border-radius: 6px;
        }
        .featured-main-content h3 {
            font-size: 1.375rem;
            font-weight: 700;
            color: var(--text-light);
            line-height: 1.3;
            margin-bottom: 6px;
        }
        .featured-main-content p {
            font-size: .875rem;
            color: var(--text-light-muted);
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }
        .featured-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            margin-top: 12px;
            font-size: .8125rem;
            color: var(--text-light-muted);
        }
        .featured-meta i {
            color: var(--accent);
        }

        .featured-side {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }
        .featured-side-card {
            flex: 1;
            display: flex;
            gap: 16px;
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: 14px;
            padding: 16px;
            transition: all .3s ease;
            box-shadow: 0 2px 8px rgba(15, 17, 21, 0.04);
        }
        .featured-side-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-light);
            border-color: rgba(200, 155, 60, 0.4);
        }
        .featured-side-thumb {
            width: 100px;
            height: 100px;
            border-radius: 10px;
            overflow: hidden;
            flex-shrink: 0;
            position: relative;
        }
        .featured-side-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .4s ease;
        }
        .featured-side-card:hover .featured-side-thumb img {
            transform: scale(1.05);
        }
        .featured-side-info {
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .featured-side-info .badge {
            font-size: .6875rem;
            color: var(--accent);
            background: rgba(200, 155, 60, 0.08);
            padding: 3px 8px;
            border-radius: 999px;
            align-self: flex-start;
            margin-bottom: 6px;
        }
        .featured-side-info h4 {
            font-size: 1rem;
            font-weight: 600;
            line-height: 1.35;
            color: var(--text-dark);
            margin-bottom: 4px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .featured-side-info p {
            font-size: .8125rem;
            color: var(--text-muted);
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        /* 种草清单 */
        .checklist {
            background: var(--bg-warm);
        }
        .checklist-header {
            text-align: center;
            margin-bottom: 48px;
        }
        .checklist-header .section-tag {
            margin-bottom: 10px;
        }
        .checklist-item {
            display: grid;
            grid-template-columns: 88px 1fr auto;
            gap: 32px;
            align-items: center;
            padding: 32px 0;
            border-bottom: 1px solid var(--border);
            transition: background .3s ease;
        }
        .checklist-item:hover {
            background: rgba(255, 255, 255, 0.5);
        }
        .checklist-item .num {
            font-size: 3rem;
            font-weight: 800;
            color: #D0D0CC;
            line-height: 1;
            transition: color .3s ease;
        }
        .checklist-item:hover .num {
            color: var(--accent);
        }
        .checklist-item .content h3 {
            font-size: 1.25rem;
            font-weight: 600;
            margin-bottom: 6px;
            color: var(--text-dark);
        }
        .checklist-item .content p {
            font-size: .9375rem;
            color: var(--text-muted);
            max-width: 600px;
        }
        .checklist-item .thumb {
            width: 96px;
            height: 96px;
            border-radius: 8px;
            overflow: hidden;
            flex-shrink: 0;
            box-shadow: var(--shadow-light);
        }
        .checklist-item .thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .4s ease;
        }
        .checklist-item:hover .thumb img {
            transform: scale(1.04);
        }
        .checklist-footer {
            text-align: center;
            margin-top: 40px;
        }

        /* 口碑条 */
        .testimonials {
            background: var(--bg-white);
            overflow: hidden;
        }
        .testimonial-scroll {
            display: flex;
            gap: 20px;
            overflow-x: auto;
            padding: 20px 0 30px;
            scrollbar-width: none;
            -ms-overflow-style: none;
            mask-image: linear-gradient(90deg, transparent, black 8%, black 92%, transparent);
            -webkit-mask-image: linear-gradient(90deg, transparent, black 8%, black 92%, transparent);
        }
        .testimonial-scroll::-webkit-scrollbar {
            display: none;
        }
        .testimonial-card {
            flex: 0 0 300px;
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: 16px;
            padding: 24px;
            box-shadow: 0 2px 12px rgba(15, 17, 21, 0.04);
            transition: all .3s ease;
        }
        .testimonial-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-light);
        }
        .testimonial-card .stars {
            display: flex;
            gap: 3px;
            color: var(--accent);
            font-size: .8125rem;
            margin-bottom: 12px;
        }
        .testimonial-card .text {
            font-size: .875rem;
            color: var(--text-dark);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 16px;
        }
        .testimonial-card .author {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .testimonial-card .avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent), var(--secondary));
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: .875rem;
            color: #fff;
        }
        .testimonial-card .name {
            font-size: .875rem;
            font-weight: 500;
            color: var(--text-dark);
        }
        .testimonial-card .time {
            font-size: .75rem;
            color: var(--text-muted);
        }

        /* 一键直达 */
        .quick-access {
            background: var(--bg-warm);
        }
        .quick-box {
            background: var(--primary);
            border-radius: 24px;
            padding: clamp(40px, 6vw, 80px);
            position: relative;
            overflow: hidden;
        }
        .quick-box::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -80px;
            width: 240px;
            height: 240px;
            border-radius: 50%;
            background: rgba(200, 155, 60, 0.15);
            filter: blur(60px);
        }
        .quick-box::after {
            content: '';
            position: absolute;
            bottom: -60px;
            left: 50%;
            width: 180px;
            height: 180px;
            border-radius: 50%;
            background: rgba(200, 155, 60, 0.1);
            filter: blur(50px);
        }
        .quick-box-inner {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .quick-box h2 {
            font-size: clamp(1.5rem, 3vw, 2.25rem);
            font-weight: 700;
            color: var(--text-light);
            margin-bottom: 12px;
        }
        .quick-box .desc {
            font-size: 1rem;
            color: var(--text-light-muted);
            max-width: 560px;
            margin: 0 auto 48px;
            line-height: 1.7;
        }
        .steps {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 32px;
            margin-bottom: 48px;
            position: relative;
        }
        .step-item {
            text-align: center;
            position: relative;
            padding: 24px 16px;
        }
        .step-item:not(:last-child)::after {
            content: '→';
            position: absolute;
            right: -24px;
            top: 50%;
            transform: translateY(-50%);
            font-size: 1.75rem;
            color: var(--accent);
            font-weight: 700;
        }
        .step-circle {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(200, 155, 60, 0.15);
            border: 1px solid rgba(200, 155, 60, 0.4);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--accent);
            margin: 0 auto 16px;
            transition: all .3s ease;
        }
        .step-item:hover .step-circle {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 0 30px rgba(200, 155, 60, 0.4);
        }
        .step-item h4 {
            font-size: 1.0625rem;
            font-weight: 600;
            color: var(--text-light);
            margin-bottom: 6px;
        }
        .step-item p {
            font-size: .8125rem;
            color: var(--text-light-muted);
            line-height: 1.6;
        }
        .quick-cta {
            display: flex;
            justify-content: center;
        }

        /* 资讯区 */
        .news-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            align-items: stretch;
        }
        .news-main-card {
            background: var(--primary);
            border-radius: var(--radius-lg);
            overflow: hidden;
            position: relative;
            min-height: 420px;
            display: flex;
            align-items: flex-end;
            box-shadow: var(--shadow-dark);
            transition: transform .3s ease, box-shadow .3s ease;
        }
        .news-main-card:hover {
            transform: translateY(-4px);
        }
        .news-main-card img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: .65;
        }
        .news-main-card::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 30%, rgba(15, 17, 21, 0.9) 100%);
        }
        .news-main-content {
            position: relative;
            z-index: 2;
            padding: 28px;
            width: 100%;
        }
        .news-main-content .tag {
            background: var(--accent);
            color: #fff;
            font-size: .6875rem;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 999px;
            display: inline-block;
            margin-bottom: 12px;
        }
        .news-main-content h4 {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text-light);
            line-height: 1.4;
            margin-bottom: 8px;
        }
        .news-main-content p {
            font-size: .875rem;
            color: var(--text-light-muted);
            line-height: 1.6;
            margin-bottom: 12px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-main-content time {
            font-size: .8125rem;
            color: var(--text-light-muted);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .news-side-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .news-item {
            display: flex;
            flex-direction: column;
            gap: 8px;
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: 14px;
            padding: 22px;
            transition: all .3s ease;
            box-shadow: 0 2px 8px rgba(15, 17, 21, 0.03);
        }
        .news-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-light);
            border-color: rgba(200, 155, 60, 0.3);
        }
        .news-item-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 4px;
        }
        .news-item-top .tag {
            font-size: .6875rem;
            font-weight: 500;
            color: var(--accent);
            background: rgba(200, 155, 60, 0.08);
            padding: 3px 10px;
            border-radius: 999px;
        }
        .news-item-top time {
            font-size: .75rem;
            color: var(--text-muted);
        }
        .news-item h5 {
            font-size: 1.0625rem;
            font-weight: 600;
            color: var(--text-dark);
            line-height: 1.4;
        }
        .news-item p {
            font-size: .8125rem;
            color: var(--text-muted);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-empty {
            grid-column: 1 / -1;
            text-align: center;
            padding: 60px 20px;
            color: var(--text-muted);
            font-size: 1rem;
            background: var(--bg-white);
            border-radius: 14px;
            border: 1px dashed var(--border);
        }

        /* FAQ */
        .faq-wrap {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            border-bottom: 1px solid var(--border);
        }
        .faq-item:first-child {
            border-top: 1px solid var(--border);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 24px 4px;
            cursor: pointer;
            gap: 16px;
            transition: color .25s ease;
        }
        .faq-question h4 {
            font-size: 1.0625rem;
            font-weight: 600;
            color: var(--text-dark);
            line-height: 1.4;
            transition: color .25s ease;
        }
        .faq-question:hover h4 {
            color: var(--accent);
        }
        .faq-icon {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            border: 1px solid var(--border);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-muted);
            font-size: .875rem;
            flex-shrink: 0;
            transition: all .35s ease;
        }
        .faq-item.open .faq-icon {
            transform: rotate(180deg);
            background: var(--accent);
            border-color: var(--accent);
            color: #fff;
        }
        .faq-answer {
            padding: 0 4px;
            max-height: 0;
            overflow: hidden;
            transition: max-height .4s ease, padding .4s ease;
        }
        .faq-answer p {
            padding-bottom: 24px;
            font-size: .9375rem;
            color: var(--text-muted);
            line-height: 1.75;
        }

        /* 联系 */
        .contact-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: start;
        }
        .contact-info h2 {
            font-size: clamp(1.5rem, 3vw, 2.125rem);
            font-weight: 700;
            line-height: 1.25;
            margin-bottom: 16px;
        }
        .contact-info p {
            color: var(--text-muted);
            margin-bottom: 30px;
            max-width: 440px;
        }
        .contact-methods {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .contact-method {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 16px;
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: 12px;
            transition: all .3s ease;
        }
        .contact-method:hover {
            border-color: rgba(200, 155, 60, 0.4);
            box-shadow: var(--shadow-light);
            transform: translateX(4px);
        }
        .contact-method .icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: rgba(200, 155, 60, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent);
            font-size: 1rem;
        }
        .contact-method .label {
            font-size: .75rem;
            color: var(--text-muted);
            text-transform: uppercase;
            letter-spacing: .06em;
        }
        .contact-method .value {
            font-size: .9375rem;
            font-weight: 500;
            color: var(--text-dark);
        }
        .contact-form {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 32px;
            box-shadow: var(--shadow-light);
        }
        .contact-form .form-group {
            margin-bottom: 20px;
        }
        .contact-form label {
            display: block;
            font-size: .875rem;
            font-weight: 500;
            color: var(--text-dark);
            margin-bottom: 6px;
        }
        .contact-form input,
        .contact-form textarea {
            width: 100%;
            height: 48px;
            border: 1px solid #D1D5DB;
            border-radius: var(--radius-sm);
            padding: 0 16px;
            font-size: .9375rem;
            color: var(--text-dark);
            transition: all .25s ease;
            background: #FAFAFA;
        }
        .contact-form textarea {
            height: auto;
            padding: 14px 16px;
            resize: vertical;
            min-height: 120px;
        }
        .contact-form input:focus,
        .contact-form textarea:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(200, 155, 60, 0.12);
            background: #fff;
        }

        /* 页脚 */
        .site-footer {
            background: var(--primary);
            color: var(--text-light);
            padding: 64px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr 1fr;
            gap: 48px;
            padding-bottom: 48px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .footer-brand .logo {
            margin-bottom: 16px;
        }
        .footer-brand .logo-text {
            color: var(--text-light);
        }
        .footer-brand p {
            font-size: .875rem;
            color: var(--text-light-muted);
            max-width: 320px;
            line-height: 1.7;
        }
        .footer-col h4 {
            font-size: .9375rem;
            font-weight: 600;
            color: var(--text-light);
            margin-bottom: 16px;
        }
        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-col ul a {
            font-size: .875rem;
            color: var(--text-light-muted);
            transition: color .25s ease, padding-left .25s ease;
        }
        .footer-col ul a:hover {
            color: var(--accent);
            padding-left: 4px;
        }
        .footer-contact li {
            display: flex;
            gap: 10px;
            font-size: .875rem;
            color: var(--text-light-muted);
        }
        .footer-contact i {
            color: var(--accent);
            margin-top: 4px;
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 24px 0 28px;
            flex-wrap: wrap;
            gap: 12px;
        }
        .footer-bottom p {
            font-size: .8125rem;
            color: var(--text-light-muted);
        }
        .footer-bottom .icp {
            color: rgba(255, 255, 255, 0.4);
        }

        /* 动画 */
        .reveal {
            opacity: 0;
            transform: translateY(30px);
            transition: opacity .8s ease, transform .8s ease;
        }
        .reveal.visible {
            opacity: 1;
            transform: none;
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .hero-content {
                grid-template-columns: 1fr;
                gap: 40px;
                padding-top: 140px;
                padding-bottom: 60px;
            }
            .hero-card {
                display: none;
            }
            .featured-grid {
                grid-template-columns: 1fr;
            }
            .steps {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .step-item:not(:last-child)::after {
                content: '↓';
                right: auto;
                bottom: -24px;
                top: auto;
                left: 50%;
                transform: translateX(-50%) rotate(90deg);
            }
            .news-grid {
                grid-template-columns: 1fr;
            }
            .contact-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 768px) {
            .main-nav {
                display: none;
            }
            .nav-cta {
                display: none;
            }
            .menu-toggle {
                display: flex;
            }
            .mobile-menu {
                display: flex;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .stat-item:not(:last-child)::after {
                display: none;
            }
            .checklist-item {
                grid-template-columns: 48px 1fr;
                gap: 16px;
            }
            .checklist-item .thumb {
                display: none;
            }
            .testimonial-card {
                flex-basis: 260px;
            }
            .contact-form {
                padding: 24px;
            }
            .hero-actions {
                flex-direction: column;
                align-items: stretch;
                width: 100%;
            }
            .hero-actions .btn {
                width: 100%;
            }
        }

        @media (max-width: 520px) {
            .nav-container {
                height: 64px;
            }
            .logo-text {
                font-size: 1rem;
            }
            .logo-mark {
                width: 32px;
                height: 32px;
                font-size: 1rem;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
            }
            .stats-grid {
                gap: 12px;
            }
            .stat-number {
                font-size: 2rem;
            }
            .featured-main {
                min-height: 300px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: center;
            }
        }

        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                animation-duration: 0.01ms !important;
                transition-duration: 0.01ms !important;
            }
            .reveal {
                opacity: 1;
                transform: none;
            }
        }

/* roulang page: category1 */
:root {
            --carbon: #0F1115;
            --gold: #C89B3C;
            --copper: #A97B50;
            --warm-bg: #F7F5F0;
            --panel: #FFFFFF;
            --text-main: #1F242B;
            --text-sub: #6B7280;
            --text-soft: #9CA3AF;
            --line: #E5E0D8;
            --radius-lg: 20px;
            --radius-md: 12px;
            --radius-sm: 10px;
            --shadow-card: 0 1px 2px rgba(15, 17, 21, 0.06), 0 12px 32px rgba(15, 17, 21, 0.08);
            --shadow-dark: 0 16px 40px rgba(0, 0, 0, 0.3);
            --space-section: 96px;
            --space-section-md: 64px;
            --space-section-sm: 48px;
        }

        /* base reset */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Inter", sans-serif;
            background: var(--warm-bg);
            color: var(--text-main);
            line-height: 1.75;
            font-size: 1rem;
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            color: inherit;
            text-decoration: none;
        }

        button {
            font-family: inherit;
            border: none;
            cursor: pointer;
            background: none;
        }

        input,
        textarea {
            font-family: inherit;
        }

        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* navigation */
        .main-nav {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 50;
            background: rgba(15, 17, 21, 0.55);
            -webkit-backdrop-filter: blur(16px);
            backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.18);
            transition: background 0.35s ease, box-shadow 0.35s ease, border-color 0.35s ease;
            padding: 18px 0;
        }

        .main-nav.scrolled {
            background: rgba(255, 255, 255, 0.92);
            -webkit-backdrop-filter: blur(20px);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(15, 17, 21, 0.08);
            box-shadow: 0 8px 30px rgba(15, 17, 21, 0.06);
            padding: 12px 0;
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
        }

        .logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            color: #fff;
            transition: color 0.3s ease;
        }

        .main-nav.scrolled .logo {
            color: var(--text-main);
        }

        .logo-mark {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: var(--gold);
            color: #0F1115;
            font-weight: 800;
            font-size: 20px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            letter-spacing: -1px;
            box-shadow: 0 4px 14px rgba(200, 155, 60, 0.35);
        }

        .logo-text {
            font-size: 1.15rem;
            font-weight: 700;
            letter-spacing: 0.02em;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 32px;
        }

        .nav-link {
            font-size: 0.95rem;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.82);
            padding: 6px 2px;
            border-bottom: 2px solid transparent;
            transition: color 0.25s ease, border-color 0.25s ease;
        }

        .nv-adjust .nav-link {
            color: var(--text-main);
        }

        .nav-link:hover {
            color: var(--gold);
        }

        .nav-link.active {
            color: var(--gold);
            border-bottom-color: var(--gold);
        }

        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--gold);
            color: #0F1115;
            font-weight: 700;
            font-size: 0.9rem;
            padding: 10px 22px;
            border-radius: 999px;
            transition: background 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
            box-shadow: 0 4px 16px rgba(200, 155, 60, 0.28);
        }

        .nav-cta:hover {
            background: #d9ab4a;
            box-shadow: 0 6px 24px rgba(200, 155, 60, 0.45);
            transform: translateY(-2px);
        }

        .nav-open,
        .nav-close {
            display: none;
        }

        /* mobile drawer */
        .mobile-drawer {
            position: fixed;
            top: 0;
            right: 0;
            bottom: 0;
            width: min(320px, 85vw);
            background: #fff;
            z-index: 60;
            transform: translateX(100%);
            transition: transform 0.35s ease;
            padding: 32px 24px;
            box-shadow: -12px 0 40px rgba(15, 17, 21, 0.2);
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .mobile-drawer.open {
            transform: translateX(0);
        }

        .mobile-drawer a {
            font-size: 1.1rem;
            font-weight: 600;
            padding: 12px 0;
            border-bottom: 1px solid var(--line);
            color: var(--text-main);
            transition: color 0.2s ease;
        }

        .mobile-drawer a:hover {
            color: var(--gold);
        }

        .drawer-overlay {
            position: fixed;
            inset: 0;
            background: rgba(15, 17, 21, 0.5);
            z-index: 55;
            opacity: 0;
            pointer-events: none;
            transition: opacity 0.3s ease;
        }

        .drawer-overlay.open {
            opacity: 1;
            pointer-events: auto;
        }

        /* hero banner (small) */
        .page-hero {
            min-height: 56vh;
            display: flex;
            align-items: center;
            background: linear-gradient(120deg, rgba(15,17,21,0.92) 0%, rgba(15,17,21,0.72) 60%, rgba(15,17,21,0.55) 100%), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            position: relative;
            padding: 140px 0 80px;
            color: #fff;
        }

        .page-hero .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.875rem;
            color: rgba(255, 255, 255, 0.65);
            margin-bottom: 22px;
        }

        .page-hero .breadcrumb a {
            color: rgba(255, 255, 255, 0.65);
            transition: color 0.2s ease;
        }

        .page-hero .breadcrumb a:hover {
            color: var(--gold);
        }

        .page-hero .breadcrumb i {
            font-size: 0.7rem;
        }

        .page-hero .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            border: 1px solid var(--gold);
            color: var(--gold);
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.06em;
            padding: 5px 16px;
            border-radius: 999px;
            background: rgba(200, 155, 60, 0.08);
            margin-bottom: 22px;
        }

        .page-hero h1 {
            font-size: clamp(2.2rem, 4.4vw, 3.4rem);
            font-weight: 800;
            line-height: 1.12;
            max-width: 640px;
            margin-bottom: 18px;
            letter-spacing: -0.01em;
        }

        .page-hero h1 .gold-text {
            color: var(--gold);
        }

        .page-hero .hero-sub {
            font-size: 1.06rem;
            color: #D1D5DB;
            max-width: 560px;
            line-height: 1.75;
            margin-bottom: 32px;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 13px 32px;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 0.95rem;
            transition: all 0.25s ease;
        }

        .btn-gold {
            background: var(--gold);
            color: #0F1115;
            box-shadow: 0 6px 20px rgba(200, 155, 60, 0.35);
        }

        .btn-gold:hover {
            background: #d9ab4a;
            box-shadow: 0 8px 30px rgba(200, 155, 60, 0.55);
            transform: translateY(-3px);
        }

        .btn-outline-light {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.4);
            color: #fff;
        }

        .btn-outline-light:hover {
            border-color: var(--gold);
            color: var(--gold);
            background: rgba(200, 155, 60, 0.08);
        }

        /* section base */
        .section {
            padding: var(--space-section) 0;
        }

        .section-sm {
            padding: var(--space-section-md) 0;
        }

        .section-alt {
            background: #fff;
        }

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.1em;
            text-transform: uppercase;
            color: var(--gold);
            margin-bottom: 14px;
        }

        .section-label::before {
            content: '';
            width: 24px;
            height: 2px;
            background: var(--gold);
            border-radius: 2px;
        }

        .section-title {
            font-size: clamp(1.7rem, 3vw, 2.4rem);
            font-weight: 700;
            line-height: 1.2;
            color: var(--text-main);
            margin-bottom: 14px;
            letter-spacing: -0.01em;
        }

        .section-sub {
            color: var(--text-sub);
            font-size: 1rem;
            max-width: 720px;
            line-height: 1.7;
        }

        /* feature / guide grid */
        .guide-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 56px;
            align-items: center;
        }

        .guide-media {
            border-radius: var(--radius-lg);
            overflow: hidden;
            position: relative;
            box-shadow: var(--shadow-card);
        }

        .guide-media img {
            width: 100%;
            height: 420px;
            object-fit: cover;
            transition: transform 0.6s ease;
        }

        .guide-media:hover img {
            transform: scale(1.03);
        }

        .guide-media::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 60%, rgba(15,17,21,0.4));
            border-radius: var(--radius-lg);
        }

        .guide-media .media-tag {
            position: absolute;
            bottom: 18px;
            left: 18px;
            z-index: 2;
            background: rgba(255, 255, 255, 0.92);
            -webkit-backdrop-filter: blur(8px);
            backdrop-filter: blur(8px);
            color: var(--text-main);
            font-size: 0.8rem;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: 999px;
        }

        .guide-content .step-list {
            list-style: none;
            margin-top: 28px;
            display: flex;
            flex-direction: column;
            gap: 0;
        }

        .step-list li {
            display: flex;
            gap: 18px;
            padding: 18px 0;
            border-bottom: 1px solid var(--line);
            transition: background 0.2s ease;
        }

        .step-list li:last-child {
            border-bottom: none;
        }

        .step-num {
            font-size: 1.6rem;
            font-weight: 800;
            color: #D3D0C8;
            line-height: 1;
            min-width: 48px;
            transition: color 0.25s ease;
        }

        .step-list li:hover .step-num {
            color: var(--gold);
        }

        .step-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 4px;
        }

        .step-desc {
            font-size: 0.92rem;
            color: var(--text-sub);
            line-height: 1.6;
        }

        /* safety section */
        .safety-list {
            margin-top: 24px;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .safety-item {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 16px 18px;
            background: var(--warm-bg);
            border-radius: var(--radius-md);
            border-left: 3px solid var(--gold);
        }

        .safety-item i {
            color: var(--gold);
            font-size: 1rem;
            margin-top: 4px;
        }

        .safety-item p {
            font-size: 0.94rem;
            color: var(--text-main);
            line-height: 1.6;
        }

        /* related entry cards */
        .entry-cards {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 28px;
            margin-top: 48px;
        }

        .entry-card {
            border-radius: var(--radius-lg);
            background: #fff;
            border: 1px solid var(--line);
            padding: 36px 32px;
            box-shadow: var(--shadow-card);
            transition: transform 0.25s ease, box-shadow 0.25s ease;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .entry-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 18px 44px rgba(15, 17, 21, 0.12);
        }

        .entry-card .card-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-md);
            background: rgba(200, 155, 60, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: var(--gold);
            margin-bottom: 4px;
        }

        .entry-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-main);
        }

        .entry-card p {
            font-size: 0.92rem;
            color: var(--text-sub);
            line-height: 1.65;
            flex: 1;
        }

        .entry-card .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--gold);
            transition: gap 0.2s ease;
        }

        .entry-card .card-link:hover {
            gap: 12px;
        }

        /* faq */
        .faq-wrap {
            max-width: 800px;
            margin: 48px auto 0;
        }

        .faq-item {
            border-bottom: 1px solid var(--line);
        }

        .faq-item:first-child {
            border-top: 1px solid var(--line);
        }

        .faq-q {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 22px 4px;
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--text-main);
            text-align: left;
            transition: color 0.2s ease;
        }

        .faq-q:hover {
            color: var(--gold);
        }

        .faq-q i {
            font-size: 0.9rem;
            color: var(--gold);
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }

        .faq-item.open .faq-q i {
            transform: rotate(180deg);
        }

        .faq-a {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
        }

        .faq-a-inner {
            padding: 0 4px 22px;
            color: var(--text-sub);
            font-size: 0.95rem;
            line-height: 1.75;
        }

        /* cta */
        .cta-dark {
            background: linear-gradient(135deg, #0F1115 0%, #1a1e26 100%);
            border-radius: var(--radius-lg);
            padding: 72px 56px;
            color: #fff;
            position: relative;
            overflow: hidden;
            text-align: center;
        }

        .cta-dark::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 220px;
            height: 220px;
            border-radius: 50%;
            background: rgba(200, 155, 60, 0.1);
            filter: blur(60px);
        }

        .cta-dark h2 {
            font-size: clamp(1.6rem, 2.8vw, 2.3rem);
            font-weight: 700;
            margin-bottom: 14px;
        }

        .cta-dark p {
            color: #9CA3AF;
            max-width: 540px;
            margin: 0 auto 32px;
            font-size: 1rem;
            line-height: 1.7;
        }

        .cta-dark .btn-gold {
            font-size: 1.03rem;
            padding: 15px 42px;
        }

        /* footer */
        .site-footer {
            background: var(--carbon);
            color: #9CA3AF;
            padding: 64px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 0.8fr 1fr;
            gap: 48px;
            padding-bottom: 48px;
        }

        .footer-brand .logo {
            color: #fff;
            margin-bottom: 18px;
        }

        .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.7;
            max-width: 320px;
            color: rgba(255,255,255,0.6);
        }

        .footer-col h4 {
            color: #fff;
            font-size: 0.95rem;
            font-weight: 600;
            margin-bottom: 18px;
        }

        .footer-col ul {
            list-style: none;
        }

        .footer-col ul li {
            margin-bottom: 12px;
        }

        .footer-col ul a {
            font-size: 0.9rem;
            color: rgba(255,255,255,0.65);
            transition: color 0.2s ease;
        }

        .footer-col ul a:hover {
            color: var(--gold);
        }

        .footer-contact li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.9rem;
            color: rgba(255,255,255,0.65);
        }

        .footer-contact i {
            width: 16px;
            color: var(--gold);
            font-size: 0.85rem;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.08);
            padding: 22px 0;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 10px;
            font-size: 0.82rem;
            color: rgba(255,255,255,0.4);
        }

        /* responsive */
        @media (max-width: 1024px) {
            .nav-links {
                display: none;
            }
            .nav-open {
                display: inline-flex;
                align-items: center;
                justify-content: center;
                width: 42px;
                height: 42px;
                border-radius: 10px;
                background: rgba(255,255,255,0.08);
                border: 1px solid rgba(255,255,255,0.14);
                color: #fff;
                font-size: 1rem;
            }
            .main-nav.scrolled .nav-open {
                background: rgba(15,17,21,0.04);
                border-color: rgba(15,17,21,0.08);
                color: var(--text-main);
            }
            .guide-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .guide-media img {
                height: 320px;
            }
            .entry-cards {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 40px;
            }
        }

        @media (max-width: 768px) {
            .section {
                padding: var(--space-section-md) 0;
            }
            .page-hero {
                min-height: 52vh;
                padding: 110px 0 60px;
            }
            .nav-cta {
                display: none;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .cta-dark {
                padding: 48px 28px;
            }
            .hero-actions .btn {
                flex: 1;
                justify-content: center;
            }
        }

        @media (max-width: 520px) {
            .page-hero h1 {
                font-size: 2rem;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .logo-text {
                font-size: 1rem;
            }
            .logo-mark {
                width: 34px;
                height: 34px;
                font-size: 18px;
            }
            .guide-media img {
                height: 240px;
            }
            .step-list li {
                gap: 12px;
            }
            .step-num {
                font-size: 1.3rem;
                min-width: 36px;
            }
            .entry-card {
                padding: 24px 20px;
            }
        }

        /* reveal animation */
        .reveal {
            opacity: 0;
            transform: translateY(24px);
            transition: opacity 0.7s ease, transform 0.7s ease;
        }

        .reveal.visible {
            opacity: 1;
            transform: translateY(0);
        }

        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                animation-duration: 0.01ms !important;
                transition-duration: 0.01ms !important;
                scroll-behavior: auto !important;
            }
            .reveal {
                opacity: 1;
                transform: none;
            }
        }

/* roulang page: article */
:root {
  --color-dark: #0F1115;
  --color-gold: #C89B3C;
  --color-copper: #A97B50;
  --color-bg: #F7F5F0;
  --color-card: #FFFFFF;
  --color-text: #1F242B;
  --color-text-2: #6B7280;
  --color-text-light: #F3F4F6;
  --color-text-light-2: #9CA3AF;
  --color-border: #E5E0D8;
  --radius-lg: 20px;
  --radius-md: 12px;
  --radius-sm: 10px;
  --shadow-card: 0 1px 2px rgba(15, 17, 21, 0.06), 0 12px 32px rgba(15, 17, 21, 0.08);
  --shadow-dark: 0 16px 40px rgba(0, 0, 0, 0.3);
  --container: 1200px;
  --spacing-section: 96px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  background: rgba(15, 17, 21, 0.55);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.18);
  transition: background 0.35s ease, border-color 0.35s ease, box-shadow 0.35s ease;
}

.site-header.scrolled {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(15, 17, 21, 0.08);
  box-shadow: 0 4px 24px rgba(15, 17, 21, 0.08);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
  transition: height 0.3s ease;
}

.site-header.scrolled .header-inner { height: 64px; }

.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.logo-mark {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: linear-gradient(135deg, #E8C66A 0%, #C89B3C 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  font-weight: 800;
  color: #0F1115;
  box-shadow: 0 4px 16px rgba(200, 155, 60, 0.35);
}

.logo-text {
  font-size: 1.125rem;
  font-weight: 700;
  color: #FFFFFF;
  letter-spacing: 0.02em;
  transition: color 0.35s ease;
  white-space: nowrap;
}

.site-header.scrolled .logo-text { color: var(--color-dark); }

.main-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-link {
  padding: 8px 16px;
  font-size: 0.9375rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.85);
  border-radius: 8px;
  transition: color 0.25s ease, background 0.25s ease;
}

.site-header.scrolled .nav-link { color: var(--color-text); }

.nav-link:hover {
  color: #C89B3C;
  background: rgba(200, 155, 60, 0.08);
}

.nav-link.active {
  color: #C89B3C;
  font-weight: 600;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-sm);
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1.5;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.25s ease;
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background: var(--color-gold);
  color: #0F1115;
  box-shadow: 0 2px 8px rgba(200, 155, 60, 0.28);
}

.btn-primary:hover {
  background: #D4A94E;
  color: #0F1115;
  box-shadow: 0 4px 20px rgba(200, 155, 60, 0.45);
  transform: translateY(-2px);
}

.btn-primary:active { transform: translateY(0); }

.btn-outline {
  border-color: rgba(255, 255, 255, 0.6);
  color: #FFFFFF;
  background: transparent;
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: #C89B3C;
  color: #C89B3C;
}

.btn-outline-dark {
  border-color: var(--color-gold);
  color: var(--color-gold);
  background: transparent;
}

.btn-outline-dark:hover {
  background: rgba(200, 155, 60, 0.1);
  color: #D4A94E;
  transform: translateY(-2px);
}

.btn-dark {
  background: #0F1115;
  color: #F3F4F6;
}

.btn-dark:hover {
  background: #1F242B;
  color: #FFFFFF;
  transform: translateY(-2px);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 10px;
  cursor: pointer;
  padding: 10px;
  transition: border-color 0.25s ease;
}

.site-header.scrolled .nav-toggle { border-color: rgba(15, 17, 21, 0.2); }

.nav-toggle span {
  display: block;
  height: 2px;
  width: 100%;
  background: #FFFFFF;
  border-radius: 2px;
  transition: background 0.3s ease, transform 0.3s ease, opacity 0.3s ease;
}

.site-header.scrolled .nav-toggle span { background: var(--color-dark); }

.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-menu {
  display: none;
  position: fixed;
  top: 76px;
  left: 0;
  right: 0;
  bottom: 0;
  background: #0F1115;
  padding: 40px 24px;
  z-index: 49;
  flex-direction: column;
  gap: 8px;
}

.mobile-menu.open { display: flex; }

.mobile-menu a {
  color: #F3F4F6;
  font-size: 1.375rem;
  font-weight: 600;
  padding: 16px 8px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  transition: color 0.25s ease, padding-left 0.25s ease;
}

.mobile-menu a:hover { color: #C89B3C; padding-left: 16px; }

.article-hero {
  position: relative;
  background-image: url('/assets/images/backpic/back-2.webp');
  background-position: center;
  background-size: cover;
  background-color: #0F1115;
  padding: 180px 0 64px;
}

.article-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(15, 17, 21, 0.82) 0%, rgba(15, 17, 21, 0.55) 55%, rgba(15, 17, 21, 0.88) 100%);
  z-index: 1;
}

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

.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  font-size: 0.875rem;
  color: #9CA3AF;
  margin-bottom: 20px;
}

.breadcrumb a {
  color: #D1D5DB;
  transition: color 0.25s ease;
}

.breadcrumb a:hover { color: #C89B3C; }

.breadcrumb .sep { color: #6B7280; margin: 0 4px; }

.breadcrumb .current { color: #C89B3C; }

.article-hero h1 {
  font-size: clamp(1.75rem, 3.5vw, 2.75rem);
  font-weight: 700;
  line-height: 1.25;
  color: #FFFFFF;
  max-width: 840px;
  margin-bottom: 24px;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  color: #9CA3AF;
  font-size: 0.875rem;
}

.meta-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.meta-item svg {
  width: 16px;
  height: 16px;
  color: #C89B3C;
  flex-shrink: 0;
}

.article-main {
  background: #FFFFFF;
  padding-top: 64px;
  padding-bottom: 80px;
}

.article-layout {
  max-width: 720px;
  margin: 0 auto;
}

.article-body {
  font-size: 1.0625rem;
  line-height: 1.8;
  color: var(--color-text);
  word-break: break-word;
}

.article-body h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin: 2.5rem 0 1rem;
  color: var(--color-dark);
  line-height: 1.3;
}

.article-body h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin: 2rem 0 0.75rem;
  color: var(--color-dark);
  line-height: 1.4;
}

.article-body p {
  margin: 1.25rem 0;
  color: #1F242B;
}

.article-body a {
  color: #C89B3C;
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color 0.25s ease;
}

.article-body a:hover { color: #A97B50; }

.article-body ul { margin: 1.25rem 0; padding-left: 1.5rem; list-style: disc; }
.article-body ol { margin: 1.25rem 0; padding-left: 1.5rem; list-style: decimal; }
.article-body li { margin: 0.5rem 0; line-height: 1.75; }

.article-body blockquote {
  margin: 2rem 0;
  padding: 1.5rem 2rem;
  border-left: 4px solid #C89B3C;
  background: #F7F5F0;
  border-radius: 0 12px 12px 0;
  color: #4B5563;
  font-style: normal;
}

.article-body blockquote p { margin: 0.5rem 0; }

.article-body img {
  border-radius: 12px;
  margin: 2rem 0;
  max-width: 100%;
  height: auto;
  box-shadow: var(--shadow-card);
}

.article-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 2rem 0;
  font-size: 0.9375rem;
}

.article-body th,
.article-body td {
  padding: 0.75rem 1rem;
  border: 1px solid #E5E0D8;
  text-align: left;
}

.article-body th {
  background: #F7F5F0;
  font-weight: 600;
}

.article-body hr {
  border: none;
  border-top: 1px solid #E5E0D8;
  margin: 2rem 0;
}

.article-empty {
  text-align: center;
  padding: 80px 24px;
  background: #F7F5F0;
  border-radius: 20px;
}

.article-empty p {
  font-size: 1.125rem;
  color: #6B7280;
  margin-bottom: 24px;
}

.article-tags {
  max-width: 720px;
  margin: 48px auto 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.tag {
  display: inline-block;
  padding: 6px 16px;
  border-radius: 999px;
  background: #F7F5F0;
  border: 1px solid #E5E0D8;
  font-size: 0.8125rem;
  font-weight: 500;
  color: #6B7280;
  transition: all 0.25s ease;
}

.tag:hover {
  background: rgba(200, 155, 60, 0.1);
  border-color: #C89B3C;
  color: #C89B3C;
}

.article-back {
  max-width: 720px;
  margin: 32px auto 0;
  text-align: center;
  padding-top: 32px;
  border-top: 1px solid var(--color-border);
}

.related-section {
  max-width: 1200px;
  margin: 80px auto 0;
  padding-top: 80px;
  border-top: 1px solid var(--color-border);
}

.related-section h2 {
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 40px;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.related-card {
  background: #FFFFFF;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  display: flex;
  flex-direction: column;
}

.related-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(15, 17, 21, 0.12);
}

.related-card-img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  background: #E5E0D8;
}

.related-card-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.related-card-title {
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--color-dark);
  line-height: 1.45;
  margin-bottom: 8px;
}

.related-card-excerpt {
  font-size: 0.875rem;
  color: #6B7280;
  line-height: 1.6;
  flex: 1;
}

.related-card-link {
  margin-top: 16px;
  color: #C89B3C;
  font-weight: 600;
  font-size: 0.875rem;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: color 0.25s ease, gap 0.25s ease;
}

.related-card-link:hover {
  color: #A97B50;
  gap: 8px;
}

.cta-section {
  background: #FFFFFF;
  padding: 96px 0;
}

.cta-box {
  background: var(--color-dark);
  border-radius: var(--radius-lg);
  padding: 56px;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 56px;
  color: var(--color-text-light);
}

.cta-box h2 {
  font-size: clamp(1.5rem, 2.8vw, 2.25rem);
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 16px;
  line-height: 1.25;
}

.cta-box p {
  color: #9CA3AF;
  font-size: 1rem;
  line-height: 1.7;
  margin-bottom: 24px;
}

.cta-contact-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.cta-contact-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  color: #D1D5DB;
  font-size: 0.9375rem;
}

.cta-contact-list svg {
  width: 18px;
  height: 18px;
  color: #C89B3C;
  flex-shrink: 0;
}

.contact-form {
  background: #FFFFFF;
  border-radius: 16px;
  padding: 32px;
  box-shadow: var(--shadow-dark);
}

.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: #6B7280;
  margin-bottom: 8px;
}

.form-input {
  width: 100%;
  height: 48px;
  padding: 0 16px;
  border: 1px solid #D1D5DB;
  border-radius: 10px;
  background: #FFFFFF;
  font-size: 0.9375rem;
  color: #1F242B;
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
  outline: none;
}

.form-input::placeholder {
  color: #9CA3AF;
}

.form-input:focus {
  border-color: #C89B3C;
  box-shadow: 0 0 0 3px rgba(200, 155, 60, 0.15);
}

textarea.form-input {
  height: auto;
  min-height: 120px;
  padding: 12px 16px;
  resize: vertical;
}

.form-submit {
  width: 100%;
  margin-top: 8px;
}

.form-note {
  text-align: center;
  font-size: 0.8125rem;
  color: #9CA3AF;
  margin-top: 12px;
}

.form-success {
  display: none;
  text-align: center;
  padding: 16px;
  background: rgba(200, 155, 60, 0.1);
  border-radius: 10px;
  color: #C89B3C;
  font-size: 0.9375rem;
  font-weight: 500;
  margin-top: 12px;
}

.form-success.show { display: block; }

.site-footer {
  background: var(--color-dark);
  color: #9CA3AF;
  padding: 80px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 0.8fr;
  gap: 48px;
  padding-bottom: 48px;
}

.footer-brand .logo-text {
  color: #FFFFFF;
  font-size: 1.25rem;
  font-weight: 700;
}

.footer-brand p {
  margin-top: 20px;
  font-size: 0.875rem;
  line-height: 1.75;
  color: #9CA3AF;
}

.footer-col h4 {
  color: #FFFFFF;
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 20px;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-col ul a {
  color: #9CA3AF;
  font-size: 0.875rem;
  transition: color 0.25s ease, padding-left 0.25s ease;
}

.footer-col ul a:hover {
  color: #C89B3C;
  padding-left: 4px;
}

.footer-contact li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.875rem;
  color: #9CA3AF;
}

.footer-contact svg {
  width: 16px;
  height: 16px;
  color: #C89B3C;
  flex-shrink: 0;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 24px 0;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-bottom p {
  font-size: 0.8125rem;
  color: #6B7280;
}

.footer-bottom .icp { color: #6B7280; }

@media (max-width: 1024px) {
  :root { --spacing-section: 64px; }
  .main-nav { display: none; }
  .header-actions .btn { display: none; }
  .nav-toggle { display: flex; }
  .related-grid { grid-template-columns: repeat(2, 1fr); }
  .cta-box { grid-template-columns: 1fr; padding: 40px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 768px) {
  :root { --spacing-section: 48px; }
  .article-hero { padding: 150px 0 48px; }
  .article-meta { gap: 14px; }
  .related-grid { grid-template-columns: 1fr; }
  .cta-box { padding: 32px 24px; gap: 32px; }
  .cta-section { padding: 64px 0; }
  .contact-form { padding: 24px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; align-items: center; text-align: center; }
}

@media (max-width: 520px) {
  .header-inner { height: 64px; }
  .site-header.scrolled .header-inner { height: 60px; }
  .logo-mark { width: 36px; height: 36px; font-size: 1rem; }
  .logo-text { font-size: 1rem; }
  .mobile-menu { top: 64px; }
  .article-hero h1 { font-size: 1.5rem; }
  .cta-box { padding: 24px 16px; }
  .form-input { font-size: 0.875rem; }
  .related-card-img { height: 160px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
}

/* roulang page: category2 */
:root {
            --ink: #0F1115;
            --gold: #C89B3C;
            --copper: #A97B50;
            --cream: #F7F5F0;
            --white: #FFFFFF;
            --text-dark: #1F242B;
            --text-muted: #6B7280;
            --text-light: #F3F4F6;
            --text-light-muted: #9CA3AF;
            --border-light: #E5E0D8;
            --radius-card: 20px;
            --radius-medium: 12px;
            --radius-button: 10px;
            --shadow-card: 0 1px 2px rgba(15,17,21,0.06), 0 12px 32px rgba(15,17,21,0.08);
            --shadow-dark: 0 16px 40px rgba(0,0,0,0.3);
            --transition: 0.25s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Inter', sans-serif;
            background: var(--cream);
            color: var(--text-dark);
            line-height: 1.75;
            font-size: 1rem;
            -webkit-font-smoothing: antialiased;
        }

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

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

        button {
            font-family: inherit;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ===== 导航 ===== */
        .main-nav {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 50;
            background: rgba(15,17,21,0.55);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255,255,255,0.18);
            transition: all 0.3s ease;
            padding: 16px 0;
        }

        .main-nav.scrolled {
            background: rgba(255,255,255,0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(15,17,21,0.08);
            padding: 10px 0;
            box-shadow: 0 4px 20px rgba(0,0,0,0.06);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--text-light);
            transition: color var(--transition);
            flex-shrink: 0;
        }

        .main-nav.scrolled .logo {
            color: var(--text-dark);
        }

        .logo-mark {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: var(--gold);
            color: var(--ink);
            border-radius: 10px;
            font-size: 1.125rem;
            font-weight: 800;
            flex-shrink: 0;
        }

        .logo-text {
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 8px;
            list-style: none;
        }

        .nav-link {
            display: block;
            padding: 8px 16px;
            border-radius: 999px;
            font-size: 0.9375rem;
            font-weight: 500;
            color: rgba(255,255,255,0.85);
            transition: all var(--transition);
            white-space: nowrap;
        }

        .nav-link:hover {
            color: var(--white);
            background: rgba(255,255,255,0.12);
        }

        .nav-link.active {
            background: var(--gold);
            color: var(--ink);
            font-weight: 600;
        }

        .main-nav.scrolled .nav-link {
            color: var(--text-dark);
        }

        .main-nav.scrolled .nav-link:hover {
            background: rgba(15,17,21,0.06);
            color: var(--text-dark);
        }

        .main-nav.scrolled .nav-link.active {
            background: var(--gold);
            color: var(--ink);
        }

        .nav-cta {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .nav-search {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 10px;
            border: 1px solid rgba(255,255,255,0.2);
            background: rgba(255,255,255,0.08);
            color: var(--text-light);
            cursor: pointer;
            transition: all var(--transition);
            font-size: 0.875rem;
        }

        .main-nav.scrolled .nav-search {
            border-color: rgba(15,17,21,0.1);
            background: rgba(15,17,21,0.04);
            color: var(--text-dark);
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--gold);
            color: var(--ink);
            font-weight: 600;
            font-size: 0.9375rem;
            padding: 10px 22px;
            border-radius: var(--radius-button);
            border: none;
            cursor: pointer;
            transition: all var(--transition);
        }

        .btn-primary:hover {
            background: #d4a84d;
            box-shadow: 0 0 20px rgba(200,155,60,0.4);
            transform: translateY(-1px);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--text-light);
            font-weight: 500;
            font-size: 0.9375rem;
            padding: 10px 22px;
            border-radius: var(--radius-button);
            border: 1px solid rgba(255,255,255,0.3);
            cursor: pointer;
            transition: all var(--transition);
        }

        .btn-outline:hover {
            border-color: var(--gold);
            color: var(--gold);
            background: rgba(200,155,60,0.08);
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
        }

        .hamburger span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--text-light);
            border-radius: 2px;
            transition: all 0.3s ease;
        }

        .main-nav.scrolled .hamburger span {
            background: var(--text-dark);
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: 0;
            right: -100%;
            width: 100%;
            height: 100vh;
            background: var(--ink);
            z-index: 60;
            transition: right 0.4s ease;
            padding: 80px 32px 32px;
            overflow-y: auto;
        }

        .mobile-menu.open {
            right: 0;
        }

        .mobile-menu a {
            display: block;
            color: var(--text-light);
            font-size: 1.5rem;
            font-weight: 600;
            padding: 16px 0;
            border-bottom: 1px solid rgba(255,255,255,0.1);
        }

        .mobile-menu a.active {
            color: var(--gold);
        }

        .mobile-close {
            position: absolute;
            top: 24px;
            right: 24px;
            background: none;
            border: none;
            color: var(--text-light);
            font-size: 1.5rem;
            cursor: pointer;
        }

        /* ===== Hero ===== */
        .page-hero {
            position: relative;
            padding: 160px 0 80px;
            background: var(--ink);
            background-image: linear-gradient(rgba(15,17,21,0.72), rgba(15,17,21,0.88)), url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            color: var(--text-light);
            overflow: hidden;
            min-height: 420px;
            display: flex;
            align-items: center;
        }

        .page-hero .container {
            position: relative;
            z-index: 2;
            width: 100%;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            border: 1px solid var(--gold);
            border-radius: 999px;
            padding: 6px 16px;
            font-size: 0.8125rem;
            font-weight: 500;
            color: var(--gold);
            background: rgba(200,155,60,0.08);
            margin-bottom: 24px;
            letter-spacing: 0.5px;
        }

        .page-hero h1 {
            font-size: clamp(2rem, 4vw, 3rem);
            font-weight: 700;
            line-height: 1.15;
            margin-bottom: 20px;
            color: var(--white);
        }

        .page-hero p {
            font-size: 1.125rem;
            color: var(--text-light-muted);
            max-width: 680px;
            margin-bottom: 32px;
            line-height: 1.8;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
        }

        /* ===== 区块通用 ===== */
        .section {
            padding: 96px 0;
        }

        .section-alt {
            background: var(--white);
        }

        .section-header {
            margin-bottom: 48px;
        }

        .section-eyebrow {
            font-size: 0.8125rem;
            font-weight: 600;
            letter-spacing: 2px;
            text-transform: uppercase;
            color: var(--gold);
            margin-bottom: 12px;
        }

        .section-title {
            font-size: clamp(1.5rem, 3vw, 2.25rem);
            font-weight: 700;
            line-height: 1.25;
            color: var(--text-dark);
            margin-bottom: 16px;
        }

        .section-desc {
            color: var(--text-muted);
            font-size: 1rem;
            max-width: 640px;
            line-height: 1.75;
        }

        .section-header.center {
            text-align: center;
        }

        .section-header.center .section-desc {
            margin-left: auto;
            margin-right: auto;
        }

        /* ===== 图文区块 ===== */
        .feature-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 64px;
            align-items: center;
            margin-bottom: 96px;
        }

        .feature-block:last-child {
            margin-bottom: 0;
        }

        .feature-block.reverse .feature-image {
            order: 2;
        }

        .feature-block.reverse .feature-content {
            order: 1;
        }

        .feature-image {
            position: relative;
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            aspect-ratio: 4/3;
            background: var(--line);
        }

        .feature-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }

        .feature-image:hover img {
            transform: scale(1.03);
        }

        .feature-image .image-tag {
            position: absolute;
            top: 16px;
            left: 16px;
            background: rgba(15,17,21,0.75);
            backdrop-filter: blur(8px);
            color: var(--text-light);
            font-size: 0.75rem;
            font-weight: 500;
            padding: 4px 12px;
            border-radius: 999px;
            border: 1px solid rgba(255,255,255,0.15);
        }

        .feature-content h3 {
            font-size: 1.5rem;
            font-weight: 600;
            margin-bottom: 16px;
            color: var(--text-dark);
        }

        .feature-content p {
            color: var(--text-muted);
            line-height: 1.75;
            margin-bottom: 16px;
        }

        .feature-content ul {
            list-style: none;
            padding: 0;
        }

        .feature-content ul li {
            position: relative;
            padding-left: 24px;
            margin-bottom: 10px;
            color: var(--text-muted);
            line-height: 1.6;
            font-size: 0.9375rem;
        }

        .feature-content ul li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 10px;
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--gold);
        }

        /* ===== 相关入口卡 ===== */
        .entry-cards {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 40px;
        }

        .entry-card {
            background: var(--white);
            border-radius: var(--radius-card);
            padding: 32px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-card);
            transition: transform var(--transition), box-shadow var(--transition);
        }

        .entry-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 4px 12px rgba(15,17,21,0.08), 0 24px 48px rgba(15,17,21,0.1);
        }

        .entry-card .card-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: rgba(200,155,60,0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--gold);
            font-size: 1.25rem;
            margin-bottom: 20px;
        }

        .entry-card h3 {
            font-size: 1.125rem;
            font-weight: 600;
            margin-bottom: 12px;
            color: var(--text-dark);
        }

        .entry-card p {
            color: var(--text-muted);
            font-size: 0.9375rem;
            line-height: 1.65;
            margin-bottom: 16px;
        }

        .entry-card .card-link {
            color: var(--gold);
            font-weight: 500;
            font-size: 0.875rem;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: gap var(--transition);
        }

        .entry-card .card-link:hover {
            gap: 10px;
        }

        /* ===== 时间线 ===== */
        .timeline {
            position: relative;
            max-width: 800px;
            margin: 0 auto;
            padding: 0;
            list-style: none;
        }

        .timeline::before {
            content: '';
            position: absolute;
            left: 24px;
            top: 0;
            bottom: 0;
            width: 2px;
            background: var(--border-light);
        }

        .timeline-item {
            position: relative;
            padding-left: 64px;
            padding-bottom: 40px;
        }

        .timeline-item:last-child {
            padding-bottom: 0;
        }

        .timeline-dot {
            position: absolute;
            left: 16px;
            top: 4px;
            width: 16px;
            height: 16px;
            border-radius: 50%;
            background: var(--gold);
            border: 3px solid var(--white);
            box-shadow: 0 0 0 2px var(--gold);
        }

        .timeline-item h4 {
            font-size: 1.125rem;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--text-dark);
        }

        .timeline-item p {
            color: var(--text-muted);
            font-size: 0.9375rem;
            line-height: 1.65;
        }

        .timeline-date {
            font-size: 0.8125rem;
            color: var(--gold);
            font-weight: 600;
            margin-bottom: 4px;
            display: block;
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--ink);
            color: var(--text-light);
        }

        .faq-section .section-title {
            color: var(--text-light);
        }

        .faq-section .section-desc {
            color: var(--text-light-muted);
        }

        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            border-bottom: 1px solid rgba(255,255,255,0.12);
            padding: 24px 0;
        }

        .faq-item:first-child {
            border-top: 1px solid rgba(255,255,255,0.12);
        }

        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            cursor: pointer;
            font-size: 1.125rem;
            font-weight: 600;
            color: var(--text-light);
            transition: color var(--transition);
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            padding: 0;
        }

        .faq-question:hover {
            color: var(--gold);
        }

        .faq-question .faq-arrow {
            transition: transform 0.3s ease;
            color: var(--gold);
            flex-shrink: 0;
            font-size: 0.875rem;
        }

        .faq-item.open .faq-arrow {
            transform: rotate(180deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease;
            color: var(--text-light-muted);
            line-height: 1.7;
            font-size: 0.9375rem;
        }

        .faq-item.open .faq-answer {
            max-height: 500px;
            padding-top: 16px;
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 96px 0;
            background: var(--cream);
        }

        .cta-container {
            background: var(--ink);
            border-radius: 20px;
            padding: 64px;
            position: relative;
            overflow: hidden;
            text-align: center;
            background-image: linear-gradient(rgba(15,17,21,0.82), rgba(15,17,21,0.88)), url('/assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
        }

        .cta-container h2 {
            font-size: clamp(1.5rem, 3vw, 2.25rem);
            font-weight: 700;
            color: var(--text-light);
            margin-bottom: 16px;
        }

        .cta-container p {
            color: var(--text-light-muted);
            max-width: 560px;
            margin: 0 auto 32px;
            line-height: 1.7;
        }

        .cta-buttons {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 16px;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--ink);
            color: var(--text-light-muted);
            padding: 64px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1.5fr;
            gap: 48px;
            padding-bottom: 48px;
        }

        .footer-brand .logo {
            margin-bottom: 16px;
            color: var(--text-light);
        }

        .footer-brand p {
            font-size: 0.9375rem;
            line-height: 1.7;
            max-width: 360px;
        }

        .footer-col h4 {
            color: var(--text-light);
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 20px;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
        }

        .footer-col ul li {
            margin-bottom: 10px;
        }

        .footer-col a {
            color: var(--text-light-muted);
            font-size: 0.9375rem;
            transition: color var(--transition);
        }

        .footer-col a:hover {
            color: var(--gold);
        }

        .footer-contact li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.9375rem;
        }

        .footer-contact i {
            color: var(--gold);
            width: 16px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.08);
            padding: 20px 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 0.875rem;
        }

        /* ===== 动画 ===== */
        .fade-up {
            opacity: 0;
            transform: translateY(30px);
            transition: opacity 0.8s ease, transform 0.8s ease;
        }

        .fade-up.visible {
            opacity: 1;
            transform: translateY(0);
        }

        @keyframes fadeInUp {
            from { opacity: 0; transform: translateY(30px); }
            to { opacity: 1; transform: translateY(0); }
        }

        .hero-enter {
            animation: fadeInUp 1.2s ease both;
        }

        .hero-enter.delay-1 { animation-delay: 0.2s; }
        .hero-enter.delay-2 { animation-delay: 0.4s; }
        .hero-enter.delay-3 { animation-delay: 0.6s; }

        @media (prefers-reduced-motion: reduce) {
            *, *::before, *::after {
                animation-duration: 0.01ms !important;
                transition-duration: 0.01ms !important;
            }
            html { scroll-behavior: auto; }
            .fade-up { opacity: 1; transform: none; }
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .section { padding: 72px 0; }
            .feature-block { gap: 40px; }
            .footer-grid { grid-template-columns: 1fr 1fr; }
            .entry-cards { grid-template-columns: repeat(2, 1fr); }
        }

        @media (max-width: 768px) {
            .section { padding: 56px 0; }
            .nav-links { display: none; }
            .nav-search { display: none; }
            .nav-cta .btn-primary { display: none; }
            .hamburger { display: flex; }
            .mobile-menu { display: block; }
            .feature-block { grid-template-columns: 1fr; gap: 32px; }
            .feature-block.reverse .feature-image { order: 1; }
            .feature-block.reverse .feature-content { order: 2; }
            .entry-cards { grid-template-columns: 1fr; }
            .cta-container { padding: 40px 24px; }
            .footer-grid { grid-template-columns: 1fr; gap: 32px; }
            .footer-bottom { flex-direction: column; text-align: center; }
            .page-hero { padding: 130px 0 56px; min-height: 360px; }
            .timeline-item { padding-left: 56px; }
        }

        @media (max-width: 520px) {
            .container { padding-left: 16px; padding-right: 16px; }
            .section { padding: 48px 0; }
            .hero-actions { flex-direction: column; }
            .hero-actions .btn-primary,
            .hero-actions .btn-outline { width: 100%; justify-content: center; }
            .cta-container h2 { font-size: 1.5rem; }
            .cta-container p { font-size: 0.9375rem; }
            .cta-buttons { flex-direction: column; }
            .cta-buttons .btn-primary,
            .cta-buttons .btn-outline { width: 100%; justify-content: center; }
            .footer-bottom { font-size: 0.8125rem; }
        }