/* roulang page: index */
/* ========== 设计变量 ========== */
        :root {
            --brand-900: #102A23;
            --brand-700: #1B4332;
            --brand-500: #3A7D61;
            --accent-500: #C2793B;
            --accent-700: #A45F2C;
            --surface-50: #FAF9F7;
            --surface-100: #F3F0EB;
            --surface-card: #FFFFFF;
            --line: #E7E2DB;
            --ink-900: #1C1917;
            --ink-700: #3A3632;
            --ink-400: #78716C;
            --ink-300: #A8A29E;
            --radius-card: 20px;
            --radius-img: 16px;
            --shadow-card: 0 1px 3px rgba(28, 25, 23, 0.06);
            --shadow-hover: 0 12px 28px rgba(28, 25, 23, 0.12);
            --transition-fast: 0.25s ease;
        }

        /* ========== Reset / Base ========== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            background: var(--surface-50);
            color: var(--ink-900);
            line-height: 1.75;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }

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

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

        button,
        input {
            font: inherit;
            border: none;
            outline: none;
        }

        section[id] {
            scroll-margin-top: 120px;
        }

        .container-custom {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ========== 按钮 ========== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 48px;
            padding: 0 32px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 500;
            cursor: pointer;
            line-height: 1;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .btn:active {
            transform: scale(0.98);
        }
        .btn-primary {
            background: var(--brand-900);
            color: #fff;
        }
        .btn-primary:hover {
            background: var(--brand-700);
            box-shadow: 0 8px 20px rgba(27, 67, 50, 0.3);
        }
        .btn-accent {
            background: var(--accent-500);
            color: #fff;
        }
        .btn-accent:hover {
            background: var(--accent-700);
            box-shadow: 0 8px 20px rgba(194, 121, 59, 0.3);
        }
        .btn-outline {
            background: transparent;
            border: 2px solid var(--ink-900);
            color: var(--ink-900);
            line-height: 44px;
        }
        .btn-outline:hover {
            background: var(--ink-900);
            color: #fff;
        }
        .btn-outline-light {
            background: transparent;
            border: 2px solid rgba(255, 255, 255, 0.7);
            color: #fff;
            line-height: 44px;
        }
        .btn-outline-light:hover {
            background: #fff;
            border-color: #fff;
            color: var(--brand-900);
        }

        /* ========== Header 双层导航 ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(250, 249, 247, 0.92);
            backdrop-filter: blur(8px);
            border-bottom: 1px solid transparent;
            transition: all 0.3s ease;
        }
        .site-header.scrolled {
            background: rgba(255, 255, 255, 0.88);
            backdrop-filter: blur(12px);
            border-bottom-color: var(--line);
            box-shadow: 0 2px 12px rgba(28, 25, 23, 0.06);
        }

        .header-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 62px;
            gap: 24px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            border: 2px solid var(--brand-700);
            position: relative;
            background: radial-gradient(circle at 35% 30%, var(--accent-500) 0%, var(--accent-500) 18%, transparent 20%);
        }
        .logo-icon::after {
            content: '';
            position: absolute;
            top: 5px;
            right: 5px;
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--accent-500);
            opacity: 0.35;
        }
        .logo-text {
            font-size: 18px;
            font-weight: 700;
            color: var(--brand-900);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .logo-text span {
            color: var(--accent-500);
        }

        .header-search {
            flex: 1;
            max-width: 420px;
            display: flex;
            align-items: center;
            background: var(--surface-100);
            border-radius: 999px;
            height: 40px;
            padding: 0 16px;
            gap: 8px;
            border: 1px solid transparent;
            transition: all 0.3s ease;
        }
        .header-search:focus-within {
            border-color: var(--brand-500);
            box-shadow: 0 0 0 4px rgba(58, 125, 97, 0.12);
            background: #fff;
        }
        .header-search i {
            color: var(--ink-400);
            font-size: 14px;
        }
        .header-search input {
            flex: 1;
            background: transparent;
            font-size: 14px;
            color: var(--ink-900);
        }
        .header-search input::placeholder {
            color: var(--ink-300);
        }

        .header-cta {
            flex-shrink: 0;
        }
        .header-cta .btn {
            height: 40px;
            padding: 0 22px;
            font-size: 14px;
        }

        .header-nav {
            border-top: 1px solid var(--line);
            position: relative;
        }
        .nav-scroll {
            display: flex;
            gap: 8px;
            overflow-x: auto;
            padding: 8px 24px;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }
        .nav-scroll::-webkit-scrollbar {
            display: none;
            height: 0;
        }
        .nav-pill {
            display: inline-flex;
            align-items: center;
            height: 36px;
            padding: 0 20px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 500;
            color: var(--ink-700);
            white-space: nowrap;
            transition: all var(--transition-fast);
            position: relative;
        }
        .nav-pill:hover {
            background: var(--surface-100);
            color: var(--brand-700);
        }
        .nav-pill.active {
            background: var(--brand-700);
            color: #fff;
            font-weight: 500;
        }
        .nav-pill.active::after {
            content: '';
            position: absolute;
            bottom: -8px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 2px;
            background: var(--accent-500);
            border-radius: 2px;
        }

        /* ========== Hero ========== */
        .hero {
            position: relative;
            padding: 140px 0 96px;
            background: var(--surface-50);
            overflow: hidden;
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            opacity: 0.12;
            filter: blur(2px);
            pointer-events: none;
        }
        .hero-bg::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, var(--surface-50) 0%, rgba(250, 249, 247, 0.7) 50%, rgba(250, 249, 247, 0.35) 100%);
        }

        .hero-inner {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 64px;
            align-items: center;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(250, 249, 247, 0.9);
            border: 1px solid rgba(194, 121, 59, 0.3);
            border-radius: 999px;
            padding: 6px 16px;
            font-size: 13px;
            font-weight: 500;
            color: var(--brand-700);
            margin-bottom: 24px;
        }
        .hero-badge .dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: #2E8B57;
            display: inline-block;
            animation: pulse-dot 2s infinite;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(46, 139, 87, 0.4);
            }
            50% {
                box-shadow: 0 0 0 6px rgba(46, 139, 87, 0);
            }
        }

        .hero-title {
            font-family: 'Noto Serif SC', 'Noto Sans SC', serif;
            font-size: clamp(38px, 4.2vw, 60px);
            line-height: 1.15;
            font-weight: 700;
            color: var(--ink-900);
            letter-spacing: -0.5px;
        }
        .hero-title .highlight {
            color: var(--accent-500);
        }
        .hero-sub {
            display: block;
            font-size: clamp(20px, 2vw, 28px);
            font-weight: 500;
            color: var(--brand-900);
            margin-top: 8px;
        }
        .hero-sub em {
            font-style: normal;
            color: var(--accent-500);
            font-weight: 700;
            position: relative;
        }
        .hero-sub em::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 0;
            right: 0;
            height: 4px;
            background: rgba(194, 121, 59, 0.25);
            border-radius: 2px;
            z-index: -1;
        }

        .hero-desc {
            margin-top: 20px;
            font-size: 16px;
            color: var(--ink-700);
            max-width: 440px;
            line-height: 1.8;
        }

        .countdown-bar {
            display: flex;
            align-items: center;
            gap: 8px;
            background: var(--ink-900);
            border-radius: 16px;
            max-width: 640px;
            padding: 16px 20px;
            margin-top: 36px;
            flex-wrap: nowrap;
            box-shadow: 0 8px 24px rgba(16, 42, 35, 0.25);
        }
        .countdown-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            min-width: 56px;
        }
        .countdown-num {
            font-size: 36px;
            font-weight: 700;
            color: var(--accent-500);
            font-variant-numeric: tabular-nums;
            line-height: 1;
            font-family: 'Courier New', monospace;
            transition: transform 0.3s ease;
            display: inline-block;
        }
        .countdown-num.flip {
            animation: flipNum 0.3s ease;
        }
        .countdown-unit {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 4px;
        }
        .countdown-colon {
            color: rgba(255, 255, 255, 0.35);
            font-size: 28px;
            font-weight: 300;
            margin-bottom: 16px;
        }
        .countdown-end {
            margin-left: auto;
            writing-mode: vertical-rl;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            letter-spacing: 2px;
            padding-left: 14px;
            border-left: 1px solid rgba(255, 255, 255, 0.15);
            height: 100%;
            display: flex;
            align-items: center;
        }

        @keyframes flipNum {
            0% {
                transform: translateY(-8px);
                opacity: 0.3;
            }
            100% {
                transform: translateY(0);
                opacity: 1;
            }
        }

        .hero-actions {
            display: flex;
            gap: 12px;
            margin-top: 32px;
            flex-wrap: wrap;
        }

        .hero-right {
            position: relative;
        }
        .hero-image-wrap {
            position: relative;
            border-radius: 20px;
            overflow: hidden;
            box-shadow: 0 24px 48px rgba(16, 42, 35, 0.18);
        }
        .hero-image {
            width: 100%;
            aspect-ratio: 4 / 3;
            object-fit: cover;
            border-radius: 20px;
        }
        .hero-stat {
            position: absolute;
            bottom: 20px;
            left: 20px;
            background: rgba(255, 255, 255, 0.94);
            border-radius: 16px;
            padding: 16px 20px;
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
            display: flex;
            flex-direction: column;
            align-items: center;
            backdrop-filter: blur(4px);
        }
        .stat-num {
            font-size: 28px;
            font-weight: 700;
            color: var(--brand-700);
            line-height: 1.2;
            font-variant-numeric: tabular-nums;
        }
        .stat-text {
            font-size: 13px;
            color: var(--ink-400);
            margin-top: 2px;
        }

        /* ========== 通用区块 ========== */
        .section-block {
            padding: 96px 0;
        }
        .section-header {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            margin-bottom: 48px;
            gap: 24px;
            flex-wrap: wrap;
        }
        .section-header h2 {
            font-size: clamp(28px, 3vw, 36px);
            font-weight: 700;
            line-height: 1.25;
            color: var(--ink-900);
            position: relative;
            padding-left: 18px;
        }
        .section-header h2::before {
            content: '';
            position: absolute;
            left: 0;
            top: 4px;
            bottom: 4px;
            width: 4px;
            background: var(--accent-500);
            border-radius: 2px;
        }
        .section-tag {
            font-size: 13px;
            letter-spacing: 2px;
            color: var(--ink-300);
            text-transform: uppercase;
            font-weight: 500;
        }
        .text-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 500;
            color: var(--brand-700);
            transition: all var(--transition-fast);
        }
        .text-link:hover {
            color: var(--accent-500);
            gap: 10px;
        }

        /* ========== 活动卖点区 ========== */
        .benefits-section {
            background: var(--surface-100);
            position: relative;
        }
        .benefits-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: linear-gradient(var(--line) 1px, transparent 1px),
                linear-gradient(90deg, var(--line) 1px, transparent 1px);
            background-size: 48px 48px;
            opacity: 0.35;
            pointer-events: none;
        }
        .benefit-list {
            position: relative;
            z-index: 2;
            display: flex;
            flex-direction: column;
        }
        .benefit-row {
            display: flex;
            align-items: flex-start;
            gap: 40px;
            padding: 40px 24px;
            border-bottom: 1px solid var(--line);
            transition: all 0.3s ease;
            border-radius: 8px;
        }
        .benefit-row:first-child {
            border-top: 1px solid var(--line);
        }
        .benefit-row:hover {
            background: rgba(255, 255, 255, 0.85);
            transform: translateX(4px);
            box-shadow: var(--shadow-hover);
            border-radius: 16px;
        }
        .benefit-num {
            font-family: 'Noto Serif SC', serif;
            font-size: 56px;
            font-weight: 700;
            color: var(--accent-500);
            line-height: 1;
            min-width: 72px;
        }
        .benefit-info h3 {
            font-size: 22px;
            font-weight: 600;
            color: var(--ink-900);
            margin-bottom: 8px;
        }
        .benefit-info p {
            font-size: 15px;
            color: var(--ink-400);
            max-width: 520px;
            line-height: 1.7;
        }

        /* ========== 图墙区 ========== */
        .gallery-section {
            background: var(--surface-50);
        }
        .gallery-grid {
            display: grid;
            grid-template-columns: 7fr 5fr;
            grid-template-rows: 1fr 1fr;
            gap: 24px;
            height: 480px;
        }
        .gallery-main {
            grid-row: 1 / 3;
            position: relative;
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all 0.3s ease;
        }
        .gallery-main:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .gallery-main img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .gallery-item {
            position: relative;
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all 0.3s ease;
        }
        .gallery-item:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .gallery-item img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .gallery-caption {
            position: absolute;
            left: 0;
            right: 0;
            bottom: 0;
            padding: 32px 20px 16px;
            background: linear-gradient(transparent, rgba(0, 0, 0, 0.55));
            color: #fff;
            font-size: 14px;
            font-weight: 500;
        }

        /* ========== CTA 深区 ========== */
        .cta-band {
            background: var(--brand-900);
            padding: 72px 0;
            position: relative;
            overflow: hidden;
        }
        .cta-band::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 260px;
            height: 260px;
            border-radius: 50%;
            background-image: url('/assets/images/backpic/back-3.png');
            background-size: cover;
            opacity: 0.15;
        }
        .cta-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 48px;
            flex-wrap: wrap;
            position: relative;
            z-index: 2;
        }
        .cta-inner h2 {
            font-size: clamp(24px, 3vw, 36px);
            color: #fff;
            line-height: 1.3;
            font-weight: 700;
        }
        .cta-inner p {
            color: rgba(255, 255, 255, 0.7);
            margin-top: 8px;
            font-size: 15px;
        }
        .cta-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        /* ========== FAQ ========== */
        .faq-section {
            padding: 96px 0;
            background: var(--surface-50);
        }
        .faq-layout {
            display: grid;
            grid-template-columns: 4fr 8fr;
            gap: 64px;
        }
        .faq-left h2 {
            font-size: clamp(28px, 3vw, 36px);
            line-height: 1.25;
            margin-bottom: 16px;
        }
        .faq-left p {
            color: var(--ink-400);
            font-size: 15px;
            max-width: 320px;
            margin-bottom: 24px;
        }
        .download-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--brand-700);
            font-weight: 500;
            font-size: 14px;
            border-bottom: 1px solid transparent;
            transition: all 0.3s ease;
        }
        .download-link:hover {
            border-bottom-color: var(--brand-700);
        }
        .faq-list {
            border-top: 1px solid var(--line);
            border-bottom: 1px solid var(--line);
        }
        .faq-item {
            border-bottom: 1px solid var(--line);
        }
        .faq-item:last-child {
            border-bottom: none;
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 22px 16px;
            font-size: 16px;
            font-weight: 500;
            color: var(--ink-900);
            cursor: pointer;
            transition: all 0.2s ease;
        }
        .faq-question:hover {
            color: var(--brand-700);
        }
        .faq-icon {
            font-size: 20px;
            color: var(--accent-500);
            font-weight: 300;
            transition: transform 0.35s ease;
            flex-shrink: 0;
            display: block;
            width: 24px;
            height: 24px;
            text-align: center;
            line-height: 24px;
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            padding: 0 16px;
            font-size: 14px;
            color: var(--ink-700);
            line-height: 1.75;
            transition: max-height 0.4s ease, padding 0.3s ease;
        }
        .faq-item.open .faq-answer {
            max-height: 200px;
            padding-bottom: 20px;
            padding-top: 4px;
            border-top: 1px dashed var(--line);
        }

        /* ========== 资讯列表 ========== */
        .news-section {
            padding: 96px 0;
            background: var(--surface-100);
        }
        .news-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 32px;
        }
        .news-card {
            background: var(--surface-card);
            border-radius: var(--radius-card);
            border: 1px solid var(--line);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: all 0.3s ease;
            display: flex;
            flex-direction: column;
        }
        .news-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .news-card-body {
            padding: 28px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .news-badge {
            display: inline-flex;
            align-items: center;
            background: rgba(27, 67, 50, 0.1);
            color: var(--brand-700);
            font-size: 13px;
            font-weight: 500;
            border-radius: 999px;
            padding: 4px 14px;
            align-self: flex-start;
            margin-bottom: 14px;
        }
        .news-card h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--ink-900);
            line-height: 1.4;
            margin-bottom: 10px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            min-height: 50px;
        }
        .news-card h3 a {
            transition: color 0.2s ease;
        }
        .news-card h3 a:hover {
            color: var(--brand-700);
        }
        .news-card p {
            font-size: 14px;
            color: var(--ink-400);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 18px;
            flex: 1;
        }
        .news-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            border-top: 1px solid var(--line);
            padding-top: 14px;
            font-size: 13px;
            color: var(--ink-300);
        }
        .news-meta time {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .read-more {
            font-weight: 500;
            color: var(--brand-700);
            transition: all 0.2s ease;
        }
        .read-more:hover {
            color: var(--accent-500);
        }

        .empty-state {
            grid-column: 1 / -1;
            border: 2px dashed var(--line);
            border-radius: 16px;
            padding: 64px 24px;
            text-align: center;
            color: var(--ink-400);
            font-size: 15px;
        }
        .empty-state i {
            font-size: 40px;
            color: var(--ink-300);
            margin-bottom: 12px;
            display: block;
        }

        /* ========== Footer ========== */
        .site-footer {
            background: var(--brand-900);
            color: rgba(255, 255, 255, 0.75);
            padding-top: 64px;
            position: relative;
        }
        .site-footer::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--accent-500);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 48px;
        }
        .footer-brand .footer-logo {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.6);
            max-width: 280px;
            margin-bottom: 20px;
        }
        .social-links {
            display: flex;
            gap: 12px;
        }
        .social-links a {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            border: 1px solid rgba(255, 255, 255, 0.2);
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, 0.7);
            font-size: 16px;
            transition: all 0.3s ease;
        }
        .social-links a:hover {
            background: var(--accent-500);
            border-color: var(--accent-500);
            color: #fff;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-col a {
            display: block;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            padding: 5px 0;
            transition: all 0.2s ease;
        }
        .footer-col a:hover {
            color: #fff;
            padding-left: 4px;
        }
        .footer-col p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.5);
            padding: 4px 0;
            line-height: 1.6;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 20px 0;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
        }

        /* ========== 滚动入场动画 ========== */
        .reveal {
            opacity: 0;
            transform: translateY(24px);
            transition: opacity 0.6s ease, transform 0.6s ease;
        }
        .reveal.visible {
            opacity: 1;
            transform: translateY(0);
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1023px) {
            .hero-inner {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .hero-right {
                max-width: 560px;
            }
            .hero {
                padding: 120px 0 64px;
            }
            .countdown-bar {
                max-width: 100%;
            }
            .gallery-grid {
                grid-template-columns: 1fr 1fr;
                height: auto;
                grid-template-rows: auto auto;
            }
            .gallery-main {
                grid-column: 1 / -1;
                height: 320px;
                grid-row: auto;
            }
            .gallery-item {
                height: 220px;
            }
            .faq-layout {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .news-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 36px;
            }
            .section-block,
            .faq-section,
            .news-section {
                padding: 64px 0;
            }
        }

        @media (max-width: 767px) {
            .container-custom {
                padding: 0 16px;
            }
            .header-top {
                height: 56px;
                gap: 12px;
            }
            .logo-text {
                font-size: 15px;
            }
            .header-search {
                display: none;
            }
            .header-cta .btn {
                height: 36px;
                padding: 0 16px;
                font-size: 13px;
            }
            .nav-scroll {
                padding: 6px 16px;
                gap: 6px;
            }
            .nav-pill {
                height: 32px;
                padding: 0 14px;
                font-size: 13px;
            }
            .hero {
                padding: 110px 0 48px;
            }
            .hero-title {
                font-size: 34px;
            }
            .hero-sub {
                font-size: 18px;
            }
            .hero-desc {
                font-size: 15px;
            }
            .countdown-bar {
                padding: 12px 12px;
                gap: 4px;
                flex-wrap: wrap;
            }
            .countdown-num {
                font-size: 26px;
            }
            .countdown-item {
                min-width: 40px;
            }
            .countdown-end {
                padding-left: 8px;
                font-size: 11px;
                margin-left: auto;
            }
            .hero-actions {
                flex-direction: column;
                gap: 10px;
            }
            .hero-actions .btn {
                width: 100%;
            }
            .section-header {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
                margin-bottom: 32px;
            }
            .benefit-row {
                flex-direction: column;
                gap: 16px;
                padding: 28px 16px;
            }
            .benefit-num {
                font-size: 40px;
            }
            .benefit-info h3 {
                font-size: 18px;
            }
            .gallery-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .gallery-main {
                height: 240px;
                grid-column: auto;
            }
            .gallery-item {
                height: 200px;
            }
            .cta-inner {
                flex-direction: column;
                align-items: flex-start;
                gap: 24px;
            }
            .cta-actions {
                width: 100%;
                flex-direction: column;
            }
            .cta-actions .btn {
                width: 100%;
            }
            .faq-layout {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .news-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .news-card-body {
                padding: 20px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
                padding-bottom: 32px;
            }
            .footer-brand p {
                max-width: 100%;
            }
            .footer-bottom {
                padding: 16px;
                font-size: 12px;
            }
        }

        /* ========== 可访问性 ========== */
        a:focus-visible,
        button:focus-visible,
        .btn:focus-visible {
            outline: 3px solid rgba(194, 121, 59, 0.5);
            outline-offset: 2px;
            border-radius: 999px;
        }
        .nav-pill:focus-visible {
            outline: 3px solid rgba(194, 121, 59, 0.5);
            outline-offset: 2px;
        }

/* roulang page: article */
:root {
  --brand-900: #102A23;
  --brand-700: #1B4332;
  --brand-500: #3A7D61;
  --accent-500: #C2793B;
  --accent-700: #A45F2C;
  --surface-50: #FAF9F7;
  --surface-100: #F3F0EB;
  --surface-card: #FFFFFF;
  --line: #E7E2DB;
  --ink-900: #1C1917;
  --ink-700: #3A3632;
  --ink-400: #78716C;
  --ink-300: #A8A29E;
  --radius-card: 20px;
  --shadow-card: 0 1px 3px rgba(28, 25, 23, 0.06);
  --shadow-hover: 0 12px 28px rgba(28, 25, 23, 0.12);
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  background: var(--surface-50);
  color: var(--ink-700);
  line-height: 1.75;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; }
input, textarea { font-family: inherit; }
ul, ol { list-style: none; }
.container-custom {
  max-width: 1280px;
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}
@media (max-width: 768px) {
  .container-custom { padding-left: 16px; padding-right: 16px; }
}

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250, 249, 247, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: background .35s, border-color .35s, box-shadow .35s;
}
.site-header.scrolled {
  background: rgba(250, 249, 247, 0.9);
  border-bottom-color: var(--line);
  box-shadow: 0 4px 20px rgba(28, 25, 23, 0.05);
}
.header-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 20px 0 14px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.logo-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 2px solid var(--brand-700);
  position: relative;
  display: inline-block;
  background: radial-gradient(circle at 30% 30%, var(--accent-500) 0 4px, transparent 5px), radial-gradient(circle at 70% 70%, var(--brand-500) 0 6px, transparent 7px);
}
.logo-icon::after {
  content: '';
  position: absolute;
  inset: 6px;
  border-radius: 50%;
  border: 1.5px solid var(--accent-500);
  border-right-color: transparent;
  transform: rotate(25deg);
}
.logo-text {
  font-size: 24px;
  font-weight: 800;
  color: var(--ink-900);
  letter-spacing: 0.02em;
  line-height: 1.2;
}
.logo-text span {
  color: var(--brand-700);
  font-weight: 700;
}
.header-search {
  flex: 1;
  max-width: 320px;
  display: flex;
  align-items: center;
  background: var(--surface-100);
  border: 1.5px solid transparent;
  border-radius: 999px;
  height: 42px;
  padding: 0 18px;
  gap: 10px;
  transition: all .3s;
}
.header-search i { color: var(--ink-400); font-size: 14px; }
.header-search input {
  flex: 1;
  border: none;
  background: transparent;
  outline: none;
  font-size: 14px;
  color: var(--ink-900);
}
.header-search input::placeholder { color: var(--ink-300); }
.header-search:focus-within {
  border-color: var(--brand-500);
  background: #fff;
  box-shadow: 0 0 0 4px rgba(58, 125, 97, 0.12);
}
.header-cta { flex-shrink: 0; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 48px;
  padding: 0 28px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all .28s ease;
  white-space: nowrap;
}
.btn-primary {
  background: var(--brand-900);
  color: #fff;
  border-color: var(--brand-900);
}
.btn-primary:hover {
  background: var(--brand-700);
  border-color: var(--brand-700);
  box-shadow: 0 8px 20px rgba(27, 67, 50, 0.25);
  transform: translateY(-1px);
}
.btn-primary:active { transform: scale(0.97); }
.btn-accent {
  background: var(--accent-500);
  color: #fff;
  border-color: var(--accent-500);
}
.btn-accent:hover {
  background: var(--accent-700);
  border-color: var(--accent-700);
  box-shadow: 0 8px 20px rgba(194, 121, 59, 0.3);
  transform: translateY(-1px);
}
.btn-accent:active { transform: scale(0.97); }
.btn-outline {
  background: transparent;
  color: var(--ink-900);
  border-color: var(--ink-900);
}
.btn-outline:hover {
  background: var(--ink-900);
  color: #fff;
  transform: translateY(-1px);
}
.btn-outline:active { transform: scale(0.97); }
.btn-sm { height: 40px; padding: 0 20px; font-size: 14px; }
.header-nav { border-top: 1px solid var(--line); }
.nav-scroll {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding: 10px 2px;
  scrollbar-width: none;
  -ms-overflow-style: none;
}
.nav-scroll::-webkit-scrollbar { display: none; }
.nav-pill {
  display: inline-flex;
  align-items: center;
  height: 36px;
  padding: 0 20px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-700);
  background: transparent;
  transition: all .25s;
  white-space: nowrap;
  border: 1px solid transparent;
  position: relative;
}
.nav-pill:hover { background: var(--surface-100); color: var(--ink-900); }
.nav-pill.active {
  background: var(--brand-700);
  color: #fff;
  font-weight: 600;
}
.nav-pill.active::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 2px;
  background: var(--accent-500);
  border-radius: 2px;
}
.nav-pill:focus-visible { outline: 2px solid var(--brand-500); outline-offset: 2px; }

/* ===== 面包屑 ===== */
.article-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--ink-400);
  padding-top: 28px;
  padding-bottom: 4px;
  flex-wrap: wrap;
}
.article-breadcrumb a { color: var(--ink-400); transition: color .2s; }
.article-breadcrumb a:hover { color: var(--brand-700); }
.article-breadcrumb .sep { color: var(--ink-300); }
.article-breadcrumb .current { color: var(--ink-900); font-weight: 600; }

/* ===== 文章头区 ===== */
.article-head {
  position: relative;
  padding: 40px 0 48px;
  background:
    linear-gradient(rgba(250, 249, 247, 0.94), rgba(250, 249, 247, 0.96)),
    url('/assets/images/backpic/back-1.png') center/cover no-repeat;
}
.article-head-inner {
  max-width: 880px;
  margin: 0 auto;
}
@media (max-width: 1280px) {
  .article-head-inner { padding: 0 24px; }
}
.article-badges {
  display: flex;
  gap: 10px;
  margin-bottom: 18px;
  flex-wrap: wrap;
}
.badge-cat {
  display: inline-flex;
  align-items: center;
  padding: 6px 16px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  background: rgba(27, 67, 50, 0.1);
  color: var(--brand-700);
}
.badge-official {
  display: inline-flex;
  align-items: center;
  padding: 6px 16px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 500;
  background: rgba(194, 121, 59, 0.1);
  color: var(--accent-700);
}
.article-head h1 {
  font-size: clamp(26px, 4vw, 36px);
  line-height: 1.35;
  font-weight: 800;
  color: var(--ink-900);
  letter-spacing: 0.01em;
  margin-bottom: 20px;
}
.article-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  font-size: 14px;
  color: var(--ink-400);
}
.article-meta .dot { color: var(--ink-300); }
.article-meta i { margin-right: 4px; color: var(--brand-500); }

/* ===== 正文阅读区 ===== */
.article-content {
  padding: 48px 0 56px;
  background: var(--surface-50);
}
.article-body-wrap {
  max-width: 760px;
  margin: 0 auto;
}
@media (max-width: 1280px) {
  .article-body-wrap { padding: 0 24px; }
}
.article-body {
  animation: fadeInUp .8s ease both;
}
.article-body p {
  font-size: 17px;
  line-height: 1.9;
  color: var(--ink-700);
  margin-bottom: 28px;
  letter-spacing: 0.01em;
}
.article-body h2 {
  font-size: 24px;
  font-weight: 700;
  color: var(--ink-900);
  border-left: 4px solid var(--brand-700);
  padding-left: 16px;
  margin: 44px 0 20px;
  line-height: 1.4;
}
.article-body h3 {
  font-size: 20px;
  font-weight: 600;
  color: var(--ink-900);
  margin: 32px 0 14px;
  line-height: 1.5;
}
.article-body h4 {
  font-size: 17px;
  font-weight: 600;
  color: var(--ink-900);
  margin: 24px 0 12px;
}
.article-body img {
  max-width: 100%;
  height: auto;
  border-radius: 16px;
  margin: 32px 0;
  box-shadow: var(--shadow-card);
}
.article-body figcaption {
  font-size: 13px;
  color: var(--ink-400);
  text-align: center;
  margin-top: -20px;
  margin-bottom: 28px;
}
.article-body blockquote {
  border-left: 3px solid var(--brand-500);
  background: var(--surface-100);
  padding: 18px 24px;
  margin: 28px 0;
  color: var(--ink-700);
  border-radius: 0 12px 12px 0;
  font-size: 16px;
  line-height: 1.8;
}
.article-body a {
  color: var(--brand-700);
  text-decoration: underline;
  text-underline-offset: 4px;
  transition: color .2s;
}
.article-body a:hover { color: var(--accent-700); }
.article-body ul,
.article-body ol {
  margin: 0 0 28px;
  padding-left: 24px;
  color: var(--ink-700);
  line-height: 1.9;
}
.article-body li { margin-bottom: 10px; position: relative; }
.article-body ul li::before {
  content: '';
  position: absolute;
  left: -18px;
  top: 12px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--brand-500);
}
.article-body ol { list-style: decimal; }
.article-body ol li::marker { color: var(--accent-500); font-weight: 700; }
.article-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 32px 0;
  font-size: 15px;
  line-height: 1.6;
}
.article-body th {
  background: var(--brand-700);
  color: #fff;
  text-align: left;
  padding: 12px 16px;
  font-weight: 600;
}
.article-body td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--line);
  color: var(--ink-700);
}
.article-body tr:nth-child(even) { background: var(--surface-100); }
.article-body code {
  background: var(--surface-100);
  padding: 2px 8px;
  border-radius: 6px;
  font-size: 14px;
  font-family: 'SFMono-Regular', Consolas, monospace;
}
.article-body pre {
  background: var(--brand-900);
  color: #e7e2db;
  padding: 24px;
  border-radius: 16px;
  overflow-x: auto;
  margin: 28px 0;
  font-family: 'SFMono-Regular', Consolas, monospace;
  font-size: 14px;
  line-height: 1.7;
}
.article-body hr {
  border: none;
  border-top: 1px solid var(--line);
  margin: 40px 0;
}

/* 空状态 */
.article-empty {
  text-align: center;
  padding: 80px 24px;
  border: 2px dashed var(--line);
  border-radius: var(--radius-card);
  max-width: 620px;
  margin: 0 auto;
}
.article-empty i {
  font-size: 52px;
  color: var(--ink-300);
  margin-bottom: 20px;
  display: block;
}
.article-empty h2 {
  font-size: 24px;
  font-weight: 700;
  color: var(--ink-900);
  margin-bottom: 12px;
}
.article-empty p {
  color: var(--ink-400);
  font-size: 15px;
  margin-bottom: 28px;
}

/* ===== 底部互动 ===== */
.article-bottom {
  border-top: 1px solid var(--line);
  background: var(--surface-50);
  padding: 36px 0 48px;
}
.article-bottom-inner {
  max-width: 880px;
  margin: 0 auto;
}
@media (max-width: 1280px) {
  .article-bottom-inner { padding: 0 24px; }
}
.article-back-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
  flex-wrap: wrap;
  gap: 12px;
}
.article-prev-next {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
@media (max-width: 640px) {
  .article-prev-next { grid-template-columns: 1fr; }
}
.pn-card {
  display: block;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 18px 20px;
  background: var(--surface-card);
  transition: all .25s;
}
.pn-card:hover {
  border-color: var(--brand-500);
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}
.pn-card .pn-label {
  font-size: 12px;
  color: var(--ink-400);
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 8px;
}
.pn-card.pn-next .pn-label { justify-content: flex-end; }
.pn-card .pn-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--ink-900);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: color .2s;
}
.pn-card:hover .pn-title { color: var(--brand-700); }

/* ===== 相关推荐 ===== */
.related-posts {
  background: var(--surface-100);
  padding: 64px 0 72px;
  border-top: 1px solid var(--line);
}
.related-posts .section-title {
  font-size: 28px;
  font-weight: 800;
  color: var(--ink-900);
  margin-bottom: 8px;
  position: relative;
  padding-left: 20px;
}
.related-posts .section-title::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  bottom: 8px;
  width: 4px;
  border-radius: 4px;
  background: var(--accent-500);
}
.related-sub {
  font-size: 14px;
  color: var(--ink-400);
  margin-bottom: 36px;
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
@media (max-width: 768px) {
  .related-grid { grid-template-columns: 1fr; }
}
.related-card {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--surface-card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 14px;
  transition: all .28s;
}
.related-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
  border-color: transparent;
}
.related-thumb {
  width: 110px;
  height: 82px;
  flex-shrink: 0;
  border-radius: 12px;
  background-size: cover;
  background-position: center;
  position: relative;
}
.related-info { min-width: 0; }
.related-info h3 {
  font-size: 15px;
  font-weight: 600;
  color: var(--ink-900);
  line-height: 1.45;
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.related-info .related-date {
  font-size: 12px;
  color: var(--ink-300);
  display: flex;
  align-items: center;
  gap: 6px;
}
.related-info .related-date i { color: var(--brand-500); font-size: 12px; }
@media (max-width: 480px) {
  .related-thumb { width: 88px; height: 68px; }
}

/* ===== Footer ===== */
.site-footer {
  background: var(--brand-900);
  color: #cbd5d0;
  border-top: 2px solid var(--accent-500);
  padding-top: 64px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
}
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
}
@media (max-width: 640px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px 24px; }
}
.footer-logo {
  font-size: 22px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 14px;
  letter-spacing: 0.02em;
}
.footer-brand p {
  font-size: 14px;
  line-height: 1.8;
  color: #9fb0a8;
  margin-bottom: 18px;
}
.social-links {
  display: flex;
  gap: 12px;
}
.social-links a {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.15);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #cbd5d0;
  font-size: 15px;
  transition: all .25s;
}
.social-links a:hover {
  background: var(--accent-500);
  border-color: var(--accent-500);
  color: #fff;
  transform: translateY(-2px);
}
.footer-col h4 {
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 18px;
  position: relative;
  padding-bottom: 10px;
}
.footer-col h4::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 24px;
  height: 2px;
  background: var(--accent-500);
  border-radius: 2px;
}
.footer-col a {
  display: block;
  font-size: 14px;
  color: #9fb0a8;
  padding: 6px 0;
  transition: all .2s;
}
.footer-col a:hover { color: #fff; padding-left: 6px; }
.footer-col p {
  font-size: 14px;
  color: #9fb0a8;
  line-height: 1.9;
  margin-bottom: 6px;
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 20px 0;
  text-align: center;
  font-size: 13px;
  color: #7d8d85;
}

/* ===== 动画 ===== */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* ===== 响应式补丁 ===== */
@media (max-width: 768px) {
  .header-top { flex-wrap: wrap; gap: 12px; padding: 14px 0 10px; }
  .header-search { order: 3; max-width: 100%; width: 100%; }
  .logo-text { font-size: 20px; }
  .header-cta .btn { height: 40px; padding: 0 20px; font-size: 14px; }
  .article-head { padding: 28px 0 36px; }
  .article-content { padding: 36px 0 40px; }
  .related-posts { padding: 48px 0 56px; }
  .article-bottom { padding: 28px 0 36px; }
  .btn { height: 44px; padding: 0 22px; }
}
@media (max-width: 480px) {
  .nav-pill { padding: 0 14px; font-size: 13px; }
  .article-head h1 { font-size: 24px; }
  .article-body p { font-size: 15px; line-height: 1.85; }
  .article-body h2 { font-size: 20px; }
  .related-grid { grid-template-columns: 1fr; }
  .related-card { padding: 12px; }
  .footer-grid { gap: 24px 16px; }
}

/* roulang page: category1 */
:root {
            --brand-900: #102A23;
            --brand-700: #1B4332;
            --brand-500: #3A7D61;
            --accent-500: #C2793B;
            --accent-700: #A45F2C;
            --surface-50: #FAF9F7;
            --surface-100: #F3F0EB;
            --surface-card: #FFFFFF;
            --line: #E7E2DB;
            --ink-900: #1C1917;
            --ink-700: #3A3632;
            --ink-400: #78716C;
            --ink-300: #A8A29E;
            --radius-card: 20px;
            --radius-img: 16px;
            --radius-pill: 999px;
            --radius-input: 12px;
            --shadow-card: 0 1px 3px rgba(28,25,23,0.06);
            --shadow-hover: 0 12px 28px rgba(28,25,23,0.12);
            --transition: 0.25s ease;
            --font-sans: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --font-serif: 'Noto Serif SC', 'Songti SC', serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            background: var(--surface-50);
            color: var(--ink-700);
            line-height: 1.75;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }

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

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

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

        input {
            font-family: inherit;
        }

        .container-custom {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== Header ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(250, 249, 247, 0.92);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--line);
            transition: box-shadow var(--transition), background var(--transition);
        }

        .site-header.scrolled {
            background: rgba(255, 255, 255, 0.88);
            box-shadow: 0 4px 24px rgba(28, 25, 23, 0.07);
        }

        .header-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            padding: 14px 0;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            position: relative;
            border: 2px solid var(--brand-700);
            display: inline-block;
            background: radial-gradient(circle at 35% 35%, var(--surface-card) 0%, var(--surface-card) 28%, transparent 30%);
        }

        .logo-icon::before {
            content: '';
            position: absolute;
            top: 6px;
            left: 6px;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--accent-500);
            border: 2px solid var(--brand-700);
        }

        .logo-icon::after {
            content: '';
            position: absolute;
            bottom: 4px;
            right: 5px;
            width: 16px;
            height: 9px;
            border: 2px solid var(--brand-700);
            border-top: none;
            border-radius: 0 0 16px 16px;
        }

        .logo-text {
            font-size: 21px;
            font-weight: 700;
            color: var(--brand-900);
            letter-spacing: 1px;
            line-height: 1.2;
        }

        .logo-text span {
            color: var(--accent-500);
        }

        .header-search {
            flex: 1;
            max-width: 340px;
            display: flex;
            align-items: center;
            gap: 10px;
            background: var(--surface-100);
            border-radius: var(--radius-pill);
            padding: 0 18px;
            height: 40px;
            border: 1px solid transparent;
            transition: border-color var(--transition), box-shadow var(--transition);
        }

        .header-search:focus-within {
            border-color: var(--brand-500);
            box-shadow: 0 0 0 4px rgba(58, 125, 97, 0.14);
        }

        .header-search i {
            color: var(--ink-400);
            font-size: 14px;
        }

        .header-search input {
            border: none;
            outline: none;
            background: transparent;
            width: 100%;
            font-size: 14px;
            color: var(--ink-900);
        }

        .header-search input::placeholder {
            color: var(--ink-300);
        }

        .header-cta {
            flex-shrink: 0;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 48px;
            padding: 0 32px;
            border-radius: var(--radius-pill);
            font-size: 15px;
            font-weight: 500;
            border: 2px solid transparent;
            transition: all var(--transition);
            cursor: pointer;
            line-height: 1;
        }

        .btn:active {
            transform: scale(0.98);
        }

        .btn-primary {
            background: var(--brand-900);
            color: #fff;
            border-color: var(--brand-900);
            height: 40px;
            padding: 0 24px;
            font-size: 14px;
        }

        .btn-primary:hover {
            background: var(--brand-700);
            border-color: var(--brand-700);
            box-shadow: 0 8px 20px rgba(27, 67, 50, 0.28);
        }

        .btn-accent {
            background: var(--accent-500);
            color: #fff;
            border-color: var(--accent-500);
        }

        .btn-accent:hover {
            background: var(--accent-700);
            border-color: var(--accent-700);
            box-shadow: 0 8px 20px rgba(194, 121, 59, 0.30);
        }

        .btn-white-outline {
            background: transparent;
            color: #fff;
            border-color: rgba(255, 255, 255, 0.7);
        }

        .btn-white-outline:hover {
            background: #fff;
            color: var(--brand-900);
            border-color: #fff;
        }

        .header-nav {
            border-top: 1px solid var(--line);
            padding: 8px 0;
            position: relative;
        }

        .nav-scroll {
            display: flex;
            gap: 8px;
            overflow-x: auto;
            scrollbar-width: none;
            padding: 4px 2px;
            -webkit-overflow-scrolling: touch;
        }

        .nav-scroll::-webkit-scrollbar {
            display: none;
        }

        .nav-pill {
            display: inline-flex;
            align-items: center;
            height: 36px;
            padding: 0 22px;
            border-radius: var(--radius-pill);
            font-size: 14px;
            color: var(--ink-700);
            white-space: nowrap;
            transition: all var(--transition);
            border: 1px solid transparent;
            font-weight: 400;
        }

        .nav-pill:hover {
            background: var(--surface-100);
            color: var(--brand-700);
        }

        .nav-pill.active {
            background: var(--brand-700);
            color: #fff;
            font-weight: 500;
            box-shadow: 0 2px 10px rgba(27, 67, 50, 0.2);
        }

        /* ===== Category Hero ===== */
        .cat-hero {
            padding: 44px 0 40px;
            position: relative;
            overflow: hidden;
            background: var(--surface-50);
            border-bottom: 1px solid var(--line);
        }

        .cat-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            opacity: 0.08;
            z-index: 0;
        }

        .cat-hero .container-custom {
            position: relative;
            z-index: 1;
        }

        .cat-hero-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 48px;
        }

        .cat-hero-content {
            flex: 1;
        }

        .cat-hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--surface-card);
            border: 1px solid var(--line);
            color: var(--brand-700);
            font-size: 13px;
            font-weight: 500;
            padding: 5px 16px;
            border-radius: var(--radius-pill);
            margin-bottom: 18px;
            box-shadow: var(--shadow-card);
        }

        .cat-hero-badge::before {
            content: '';
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--accent-500);
        }

        .cat-hero-h1 {
            font-family: var(--font-serif);
            font-size: 38px;
            line-height: 1.25;
            color: var(--brand-900);
            font-weight: 700;
            margin-bottom: 14px;
            letter-spacing: 1px;
        }

        .cat-hero-sub {
            font-size: 15px;
            color: var(--ink-400);
            max-width: 560px;
            line-height: 1.8;
        }

        .cat-hero-tags {
            display: flex;
            gap: 10px;
            margin-top: 22px;
            flex-wrap: wrap;
        }

        .hero-tag {
            display: inline-flex;
            align-items: center;
            padding: 5px 16px;
            border-radius: var(--radius-pill);
            background: rgba(194, 121, 59, 0.10);
            color: var(--accent-700);
            font-size: 13px;
            font-weight: 500;
            border: 1px solid rgba(194, 121, 59, 0.18);
        }

        .cat-hero-img {
            flex-shrink: 0;
            width: 280px;
            height: 170px;
            border-radius: 20px;
            object-fit: cover;
            box-shadow: var(--shadow-card);
            border: 4px solid var(--surface-card);
        }

        /* ===== Stats ===== */
        .cat-stats {
            padding: 36px 0;
            background: var(--surface-card);
            border-bottom: 1px solid var(--line);
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 12px;
        }

        .stat-item {
            text-align: center;
            padding: 16px 12px;
            border-right: 1px solid var(--line);
        }

        .stat-item:last-child {
            border-right: none;
        }

        .stat-item strong {
            display: block;
            font-size: 34px;
            font-weight: 700;
            color: var(--brand-900);
            font-family: var(--font-serif);
            line-height: 1.2;
            margin-bottom: 4px;
        }

        .stat-item span {
            font-size: 14px;
            color: var(--ink-400);
        }

        /* ===== Main Content ===== */
        .cat-main {
            padding: 64px 0 72px;
            background: var(--surface-100);
        }

        .cat-grid {
            display: grid;
            grid-template-columns: 8fr 4fr;
            gap: 40px;
            align-items: start;
        }

        .cat-content-title {
            display: flex;
            align-items: center;
            gap: 16px;
            margin-bottom: 28px;
        }

        .cat-content-title .line {
            width: 5px;
            height: 32px;
            background: var(--accent-500);
            border-radius: 3px;
            flex-shrink: 0;
        }

        .cat-content-title h2 {
            font-size: 28px;
            color: var(--brand-900);
            font-weight: 700;
            font-family: var(--font-serif);
            line-height: 1.3;
        }

        .topic-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }

        .topic-card {
            background: var(--surface-card);
            border-radius: var(--radius-card);
            border: 1px solid var(--line);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: transform var(--transition), box-shadow var(--transition);
            display: flex;
            flex-direction: column;
        }

        .topic-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }

        .topic-card-img {
            height: 158px;
            width: 100%;
            object-fit: cover;
            display: block;
            border-radius: 0;
        }

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

        .topic-card-badge {
            display: inline-flex;
            align-items: center;
            align-self: flex-start;
            background: rgba(27, 67, 50, 0.10);
            color: var(--brand-700);
            font-size: 12px;
            font-weight: 500;
            padding: 4px 14px;
            border-radius: var(--radius-pill);
            margin-bottom: 14px;
            letter-spacing: 0.3px;
        }

        .topic-card h3 {
            font-size: 18px;
            color: var(--ink-900);
            font-weight: 600;
            line-height: 1.4;
            margin-bottom: 8px;
            letter-spacing: 0.3px;
        }

        .topic-card p {
            font-size: 14px;
            color: var(--ink-400);
            line-height: 1.75;
            flex: 1;
            margin-bottom: 16px;
        }

        .topic-card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            color: var(--brand-700);
            font-weight: 500;
            transition: gap var(--transition), color var(--transition);
            width: fit-content;
        }

        .topic-card-link:hover {
            gap: 10px;
            color: var(--accent-700);
        }

        /* ===== Sidebar ===== */
        .cat-sidebar {
            display: flex;
            flex-direction: column;
            gap: 28px;
            position: sticky;
            top: 140px;
        }

        .sidebar-block {
            background: var(--surface-card);
            border-radius: var(--radius-card);
            border: 1px solid var(--line);
            padding: 26px;
            box-shadow: var(--shadow-card);
        }

        .sidebar-block h3 {
            font-size: 17px;
            color: var(--brand-900);
            font-weight: 600;
            margin-bottom: 18px;
            padding-bottom: 14px;
            border-bottom: 1px solid var(--line);
            letter-spacing: 0.3px;
        }

        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .tag-item {
            display: inline-flex;
            align-items: center;
            padding: 6px 16px;
            border-radius: var(--radius-pill);
            background: var(--surface-100);
            color: var(--ink-700);
            font-size: 13px;
            transition: all var(--transition);
            border: 1px solid transparent;
            cursor: pointer;
        }

        .tag-item:hover {
            background: var(--brand-700);
            color: #fff;
            border-color: var(--brand-700);
        }

        .tag-item:focus-visible {
            outline: 2px solid var(--brand-500);
            outline-offset: 2px;
        }

        .contact-card {
            text-align: left;
        }

        .contact-card-icon {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: rgba(194, 121, 59, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-500);
            font-size: 20px;
            margin-bottom: 14px;
        }

        .contact-card h3 {
            border-bottom: none;
            padding-bottom: 0;
            margin-bottom: 6px;
            font-size: 18px;
        }

        .contact-card p {
            font-size: 14px;
            color: var(--ink-400);
            line-height: 1.7;
            margin-bottom: 6px;
        }

        .contact-card .contact-phone {
            font-weight: 500;
            color: var(--ink-900);
            font-size: 16px;
            margin: 10px 0 4px;
        }

        .contact-card .contact-phone i {
            color: var(--accent-500);
            margin-right: 8px;
            font-size: 14px;
        }

        .contact-card .contact-mail {
            font-size: 14px;
            color: var(--brand-700);
            margin-bottom: 8px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .contact-card .contact-mail i {
            color: var(--brand-500);
            font-size: 13px;
        }

        .contact-card .btn {
            width: 100%;
            margin-top: 12px;
            height: 44px;
            font-size: 14px;
        }

        /* ===== FAQ ===== */
        .cat-faq {
            padding: 72px 0;
            background: var(--surface-50);
        }

        .faq-wrap {
            max-width: 880px;
            margin: 0 auto;
        }

        .faq-title {
            text-align: center;
            margin-bottom: 40px;
        }

        .faq-title h2 {
            font-size: 32px;
            color: var(--brand-900);
            font-family: var(--font-serif);
            margin-bottom: 8px;
            letter-spacing: 0.5px;
        }

        .faq-title p {
            font-size: 15px;
            color: var(--ink-400);
        }

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

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

        .faq-item:last-child {
            border-bottom: none;
        }

        .faq-q {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 4px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 500;
            color: var(--ink-900);
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            transition: color var(--transition);
            line-height: 1.5;
            gap: 16px;
        }

        .faq-q:hover {
            color: var(--brand-700);
        }

        .faq-q:focus-visible {
            outline: 2px solid var(--brand-500);
            outline-offset: -2px;
            border-radius: 8px;
        }

        .faq-q .icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--surface-100);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            transition: transform 0.3s ease, background 0.3s ease, color 0.3s ease;
            flex-shrink: 0;
            line-height: 1;
        }

        .faq-item.open .faq-q .icon {
            transform: rotate(45deg);
            background: var(--brand-700);
            color: #fff;
        }

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

        .faq-a-inner {
            padding: 0 4px 20px;
            font-size: 14px;
            color: var(--ink-400);
            line-height: 1.85;
        }

        .faq-a-inner p {
            margin: 0;
        }

        /* ===== CTA ===== */
        .cat-cta {
            background: var(--brand-900);
            padding: 64px 40px;
            position: relative;
            overflow: hidden;
        }

        .cat-cta::before {
            content: '';
            position: absolute;
            top: -100px;
            right: -100px;
            width: 320px;
            height: 320px;
            border-radius: 50%;
            border: 2px solid rgba(255, 255, 255, 0.06);
            background: radial-gradient(circle, rgba(255, 255, 255, 0.04) 0%, transparent 70%);
            pointer-events: none;
        }

        .cat-cta::after {
            content: '';
            position: absolute;
            bottom: -60px;
            left: 10%;
            width: 180px;
            height: 180px;
            border-radius: 50%;
            border: 1px solid rgba(255, 255, 255, 0.04);
            pointer-events: none;
        }

        .cat-cta-inner {
            position: relative;
            z-index: 1;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 40px;
            max-width: 1100px;
            margin: 0 auto;
        }

        .cat-cta h2 {
            color: #fff;
            font-size: 32px;
            font-weight: 600;
            margin-bottom: 8px;
            font-family: var(--font-serif);
            line-height: 1.3;
            letter-spacing: 0.5px;
        }

        .cat-cta p {
            color: rgba(255, 255, 255, 0.65);
            font-size: 15px;
            line-height: 1.7;
        }

        .cat-cta-btns {
            display: flex;
            gap: 14px;
            flex-shrink: 0;
            flex-wrap: wrap;
        }

        /* ===== Back Link ===== */
        .cat-back {
            padding: 36px 0;
            text-align: center;
            background: var(--surface-50);
        }

        .cat-back a {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 15px;
            color: var(--brand-700);
            font-weight: 500;
            transition: gap var(--transition), color var(--transition);
            padding: 8px 20px;
            border-radius: var(--radius-pill);
        }

        .cat-back a:hover {
            gap: 12px;
            color: var(--accent-700);
            background: var(--surface-100);
        }

        .cat-back a:focus-visible {
            outline: 2px solid var(--brand-500);
            outline-offset: 2px;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--brand-900);
            color: rgba(255, 255, 255, 0.75);
            border-top: 2px solid var(--accent-500);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1.4fr 1fr;
            gap: 40px;
            padding: 56px 0 40px;
        }

        .footer-logo {
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 1px;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.55);
            margin-bottom: 20px;
        }

        .social-links {
            display: flex;
            gap: 10px;
        }

        .social-links a {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, 0.75);
            transition: all var(--transition);
            font-size: 16px;
        }

        .social-links a:hover {
            background: var(--accent-500);
            color: #fff;
            transform: translateY(-3px);
        }

        .footer-col h4 {
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 20px;
            letter-spacing: 0.5px;
        }

        .footer-col a {
            display: block;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.55);
            margin-bottom: 10px;
            transition: color var(--transition);
        }

        .footer-col a:hover {
            color: #fff;
        }

        .footer-col p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.55);
            margin-bottom: 8px;
            line-height: 1.6;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.10);
            padding: 20px 0;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.38);
        }

        .footer-bottom p {
            margin: 0;
        }

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

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

        /* ===== Responsive ===== */
        @media (max-width: 1023px) {
            .cat-grid {
                grid-template-columns: 1fr;
            }

            .cat-sidebar {
                position: static;
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }

            .cat-cta-inner {
                flex-direction: column;
                text-align: center;
            }

            .cat-hero-inner {
                gap: 32px;
            }

            .cat-hero-img {
                width: 240px;
                height: 160px;
            }
        }

        @media (max-width: 767px) {
            .container-custom {
                padding: 0 16px;
            }

            .header-search {
                display: none;
            }

            .header-top {
                padding: 12px 0;
                gap: 12px;
            }

            .logo-text {
                font-size: 17px;
            }

            .logo-icon {
                width: 34px;
                height: 34px;
            }

            .header-cta .btn-primary {
                height: 38px;
                padding: 0 18px;
                font-size: 13px;
            }

            .nav-pill {
                height: 34px;
                padding: 0 18px;
                font-size: 13px;
            }

            .cat-hero {
                padding: 36px 0 32px;
            }

            .cat-hero-inner {
                flex-direction: column;
                align-items: flex-start;
            }

            .cat-hero-img {
                width: 100%;
                height: 180px;
            }

            .cat-hero-h1 {
                font-size: 30px;
            }

            .cat-hero-sub {
                font-size: 14px;
            }

            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .stat-item {
                border-right: none;
                padding: 12px 8px;
            }

            .stat-item strong {
                font-size: 28px;
            }

            .cat-main {
                padding: 48px 0 56px;
            }

            .topic-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .cat-sidebar {
                grid-template-columns: 1fr;
            }

            .cat-content-title h2 {
                font-size: 24px;
            }

            .faq-title h2 {
                font-size: 26px;
            }

            .faq-q {
                font-size: 15px;
                padding: 18px 4px;
            }

            .cat-cta {
                padding: 48px 24px;
            }

            .cat-cta h2 {
                font-size: 26px;
            }

            .cat-cta-btns {
                flex-direction: column;
                width: 100%;
            }

            .cat-cta-btns .btn {
                width: 100%;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
                padding: 44px 0 32px;
            }

            .footer-col {
                padding: 0;
            }

            .footer-brand p {
                margin-bottom: 16px;
            }
        }

        @media (max-width: 520px) {
            .logo-text {
                font-size: 15px;
            }

            .logo-icon {
                width: 30px;
                height: 30px;
            }

            .header-cta .btn-primary {
                padding: 0 14px;
                font-size: 12px;
            }

            .cat-hero-h1 {
                font-size: 26px;
            }

            .stat-item strong {
                font-size: 24px;
            }

            .stat-item span {
                font-size: 12px;
            }
        }