/* roulang page: index */
:root {
            --color-primary: #0E7C6B;
            --color-primary-dark: #0B2D2A;
            --color-primary-light: #12A08B;
            --color-accent: #D4A853;
            --color-accent-light: #E5C078;
            --color-bg: #F7F5F0;
            --color-bg-white: #FFFFFF;
            --color-ink: #2B2F2E;
            --color-muted: #6B7270;
            --color-border: #E5E1D9;
            --radius-lg: 24px;
            --radius-md: 16px;
            --radius-sm: 12px;
            --shadow-card: 0 8px 30px rgba(0, 0, 0, 0.06);
            --shadow-hover: 0 12px 40px rgba(0, 0, 0, 0.12);
            --font-title: 'Noto Serif SC', 'Source Han Serif SC', 'PingFang SC', serif;
            --font-body: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-body);
            background: var(--color-bg);
            color: var(--color-ink);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: all 0.3s ease;
        }

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

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

        input,
        textarea {
            font-family: inherit;
        }

        ul,
        ol {
            list-style: none;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 32px;
            padding-right: 32px;
        }

        /* ===== 左侧导航（桌面） ===== */
        .sidebar {
            position: fixed;
            left: 0;
            top: 0;
            width: 240px;
            height: 100vh;
            background: linear-gradient(165deg, #0B2D2A 0%, #0E3B35 65%, #0E7C6B 130%);
            z-index: 100;
            display: flex;
            flex-direction: column;
            padding: 28px 18px 22px;
            overflow-y: auto;
        }

        .sidebar-brand {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 8px 10px 28px;
            margin-bottom: 12px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .sidebar-brand-logo {
            width: 38px;
            height: 38px;
            flex-shrink: 0;
        }

        .sidebar-brand-text {
            color: #ffffff;
            font-family: var(--font-title);
            font-size: 21px;
            font-weight: 700;
            letter-spacing: 1px;
            white-space: nowrap;
        }

        .sidebar-nav {
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 6px;
            margin-top: 18px;
        }

        .sidebar-nav .nav-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 14px 16px;
            border-radius: 14px;
            color: rgba(255, 255, 255, 0.68);
            font-size: 15px;
            font-weight: 500;
            border-left: 3px solid transparent;
            transition: all 0.3s ease;
            outline: none;
        }

        .sidebar-nav .nav-item:hover,
        .sidebar-nav .nav-item:focus-visible {
            background: rgba(255, 255, 255, 0.08);
            color: #ffffff;
            transform: translateX(5px);
            box-shadow: 0 0 0 2px rgba(212, 168, 83, 0.4);
        }

        .sidebar-nav .nav-item.active {
            background: rgba(255, 255, 255, 0.12);
            color: var(--color-accent);
            border-left-color: var(--color-accent);
            font-weight: 600;
        }

        .sidebar-nav .nav-item.active svg {
            color: var(--color-accent);
        }

        .sidebar-nav .nav-icon {
            width: 20px;
            height: 20px;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .sidebar-footer {
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            color: rgba(255, 255, 255, 0.4);
            font-size: 12px;
            text-align: center;
            line-height: 1.5;
        }

        /* ===== 移动端顶部导航 ===== */
        .mobile-header {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 64px;
            background: linear-gradient(135deg, #0B2D2A 0%, #0E3B35 100%);
            z-index: 180;
            align-items: center;
            justify-content: space-between;
            padding: 0 20px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
        }

        .mobile-brand {
            display: flex;
            align-items: center;
            gap: 8px;
            color: #fff;
            font-family: var(--font-title);
            font-size: 18px;
            font-weight: 700;
        }

        .mobile-brand svg {
            width: 28px;
            height: 28px;
        }

        .hamburger {
            width: 42px;
            height: 42px;
            border-radius: 10px;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
            background: rgba(255, 255, 255, 0.1);
            transition: background 0.3s;
        }

        .hamburger:hover {
            background: rgba(255, 255, 255, 0.18);
        }

        .hamburger span {
            width: 20px;
            height: 2px;
            background: #fff;
            border-radius: 2px;
            transition: all 0.3s;
        }

        .drawer-overlay {
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.55);
            z-index: 190;
            opacity: 0;
            visibility: hidden;
            transition: all 0.35s ease;
            backdrop-filter: blur(2px);
        }

        .drawer-overlay.open {
            opacity: 1;
            visibility: visible;
        }

        .mobile-drawer {
            position: fixed;
            top: 0;
            right: -85%;
            width: 85%;
            max-width: 340px;
            height: 100vh;
            background: linear-gradient(165deg, #0B2D2A 0%, #0E3B35 80%, #0E7C6B 140%);
            z-index: 200;
            transition: right 0.35s ease;
            padding: 28px 24px;
            display: flex;
            flex-direction: column;
            overflow-y: auto;
        }

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

        .drawer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            padding-bottom: 24px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            margin-bottom: 20px;
        }

        .drawer-brand-text {
            color: #fff;
            font-family: var(--font-title);
            font-size: 20px;
            font-weight: 700;
        }

        .drawer-nav {
            display: flex;
            flex-direction: column;
            gap: 4px;
            flex: 1;
        }

        .drawer-nav .nav-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 16px;
            border-radius: 14px;
            color: rgba(255, 255, 255, 0.75);
            font-size: 16px;
            font-weight: 500;
            border-left: 3px solid transparent;
            min-height: 48px;
            transition: all 0.3s;
            outline: none;
        }

        .drawer-nav .nav-item:active {
            background: rgba(255, 255, 255, 0.12);
            transform: scale(0.98);
        }

        .drawer-nav .nav-item.active {
            background: rgba(255, 255, 255, 0.12);
            color: var(--color-accent);
            border-left-color: var(--color-accent);
        }

        .drawer-footer {
            padding-top: 16px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            color: rgba(255, 255, 255, 0.4);
            font-size: 12px;
            text-align: center;
        }

        .drawer-close {
            position: absolute;
            top: 20px;
            right: 20px;
            width: 36px;
            height: 36px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
            font-size: 20px;
            transition: background 0.3s;
        }

        .drawer-close:hover {
            background: rgba(255, 255, 255, 0.18);
        }

        /* ===== 主内容区 ===== */
        .main-wrapper {
            margin-left: 240px;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        .main-content {
            flex: 1;
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            min-height: 92vh;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            padding: 80px 32px;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-attachment: scroll;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg,
                    rgba(11, 45, 42, 0.88) 0%,
                    rgba(14, 124, 107, 0.72) 55%,
                    rgba(11, 45, 42, 0.78) 100%);
            z-index: 1;
        }

        .hero::after {
            content: '';
            position: absolute;
            bottom: -80px;
            right: -80px;
            width: 320px;
            height: 320px;
            border-radius: 50%;
            border: 1.5px solid rgba(212, 168, 83, 0.25);
            z-index: 2;
            box-shadow: 0 0 0 40px rgba(212, 168, 83, 0.06), 0 0 0 80px rgba(212, 168, 83, 0.03);
        }

        .hero::after {
            content: '';
            position: absolute;
            bottom: -80px;
            right: -80px;
            width: 320px;
            height: 320px;
            border-radius: 50%;
            border: 1.5px solid rgba(212, 168, 83, 0.25);
            z-index: 2;
            box-shadow: 0 0 0 40px rgba(212, 168, 83, 0.06), 0 0 0 80px rgba(212, 168, 83, 0.03);
        }

        .hero-inner {
            position: relative;
            z-index: 5;
            max-width: 820px;
            margin: 0 auto;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.25);
            border-radius: 999px;
            padding: 8px 18px;
            color: #fff;
            font-size: 13px;
            letter-spacing: 2px;
            margin-bottom: 24px;
            backdrop-filter: blur(4px);
        }

        .hero-badge .dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--color-accent);
            animation: pulse-dot 2s infinite;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.6;
                transform: scale(0.8);
            }
        }

        .hero-title {
            font-family: var(--font-title);
            font-size: clamp(36px, 5.2vw, 56px);
            font-weight: 800;
            color: #ffffff;
            line-height: 1.25;
            letter-spacing: 2px;
            margin-bottom: 20px;
            text-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
        }

        .hero-title .accent {
            color: var(--color-accent);
        }

        .hero-subtitle {
            color: rgba(255, 255, 255, 0.78);
            font-size: clamp(16px, 1.8vw, 20px);
            line-height: 1.7;
            max-width: 620px;
            margin: 0 auto 36px;
            font-weight: 300;
            letter-spacing: 0.5px;
        }

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

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 34px;
            border-radius: 14px;
            font-size: 15px;
            font-weight: 600;
            transition: all 0.3s ease;
            outline: none;
            border: 1.5px solid transparent;
        }

        .btn:focus-visible {
            box-shadow: 0 0 0 4px rgba(212, 168, 83, 0.45);
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--color-accent) 0%, #B88A3E 100%);
            color: #0B2D2A;
            box-shadow: 0 6px 24px rgba(212, 168, 83, 0.35);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 32px rgba(212, 168, 83, 0.5);
            background: linear-gradient(135deg, #DDBE65 0%, var(--color-accent) 100%);
        }

        .btn-primary:active {
            transform: scale(0.97);
        }

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

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

        .btn-outline:active {
            transform: scale(0.97);
        }

        .hero-scroll {
            position: absolute;
            bottom: 30px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 5;
            color: rgba(255, 255, 255, 0.6);
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 4px;
            font-size: 12px;
            letter-spacing: 3px;
            animation: bounce-down 2s infinite;
        }

        @keyframes bounce-down {
            0%,
            100% {
                transform: translate(-50%, 0);
            }
            50% {
                transform: translate(-50%, 8px);
            }
        }

        .hero-scroll svg {
            width: 20px;
            height: 20px;
        }

        /* ===== 数据徽章条 ===== */
        .stats-band {
            background: var(--color-bg);
            padding: 44px 0;
            border-bottom: 1px solid var(--color-border);
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            max-width: 1000px;
            margin: 0 auto;
        }

        .stat-item {
            background: var(--color-bg-white);
            border: 1px solid var(--color-border);
            border-radius: 18px;
            padding: 26px 18px;
            text-align: center;
            transition: all 0.3s ease;
        }

        .stat-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card);
            border-color: rgba(212, 168, 83, 0.4);
        }

        .stat-number {
            font-family: var(--font-title);
            font-size: clamp(28px, 3vw, 36px);
            font-weight: 800;
            color: var(--color-primary);
            line-height: 1.2;
        }

        .stat-number .unit {
            font-size: 0.55em;
            color: var(--color-accent);
            margin-left: 2px;
        }

        .stat-label {
            color: var(--color-muted);
            font-size: 13px;
            margin-top: 6px;
            letter-spacing: 1px;
        }

        /* ===== 通用板块 ===== */
        .section {
            padding: 90px 0;
        }

        .section-head {
            text-align: center;
            margin-bottom: 58px;
        }

        .section-tag {
            display: inline-block;
            padding: 5px 16px;
            border-radius: 999px;
            background: rgba(14, 124, 107, 0.08);
            color: var(--color-primary);
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 2px;
            margin-bottom: 12px;
        }

        .section-title {
            font-family: var(--font-title);
            font-size: clamp(28px, 3.4vw, 38px);
            font-weight: 700;
            color: var(--color-ink);
            line-height: 1.3;
            margin-bottom: 12px;
        }

        .section-desc {
            color: var(--color-muted);
            font-size: 15px;
            max-width: 560px;
            margin: 0 auto;
            line-height: 1.8;
        }

        /* ===== 玩法介绍 ===== */
        .features-section {
            background: var(--color-bg-white);
            padding: 90px 0;
        }

        .feature-row {
            display: flex;
            align-items: center;
            gap: 60px;
            margin-bottom: 80px;
        }

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

        .feature-row.reverse {
            flex-direction: row-reverse;
        }

        .feature-image {
            flex: 1;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            position: relative;
            aspect-ratio: 16/10;
        }

        .feature-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

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

        .feature-image::after {
            content: '';
            position: absolute;
            inset: 0;
            border-radius: var(--radius-lg);
            box-shadow: inset 0 0 40px rgba(11, 45, 42, 0.08);
            pointer-events: none;
        }

        .feature-content {
            flex: 1;
            padding: 20px 0;
        }

        .feature-icon {
            width: 44px;
            height: 44px;
            border-radius: 14px;
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 20px;
            margin-bottom: 18px;
        }

        .feature-content h3 {
            font-family: var(--font-title);
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 14px;
            color: var(--color-ink);
            line-height: 1.4;
        }

        .feature-content p {
            color: var(--color-muted);
            font-size: 15px;
            line-height: 1.85;
            margin-bottom: 18px;
        }

        .feature-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .feature-list li {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--color-ink);
        }

        .feature-list li svg {
            width: 16px;
            height: 16px;
            color: var(--color-primary);
            flex-shrink: 0;
        }

        /* ===== 奖励预览 ===== */
        .rewards-section {
            background: var(--color-bg);
            padding: 90px 0;
        }

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

        .reward-card {
            background: var(--color-bg-white);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 36px 30px;
            position: relative;
            overflow: hidden;
            transition: all 0.35s ease;
        }

        .reward-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 5px;
            background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
            opacity: 0;
            transition: opacity 0.35s;
        }

        .reward-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
        }

        .reward-card:hover::before {
            opacity: 1;
        }

        .reward-icon {
            width: 54px;
            height: 54px;
            border-radius: 16px;
            background: rgba(14, 124, 107, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 26px;
            margin-bottom: 20px;
        }

        .reward-card h3 {
            font-family: var(--font-title);
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--color-ink);
        }

        .reward-card p {
            color: var(--color-muted);
            font-size: 14px;
            line-height: 1.75;
            margin-bottom: 20px;
        }

        .reward-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
        }

        .badge {
            display: inline-flex;
            align-items: center;
            padding: 4px 12px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.5px;
            background: rgba(212, 168, 83, 0.12);
            color: #9A7430;
        }

        .badge-green {
            background: rgba(14, 124, 107, 0.1);
            color: var(--color-primary);
        }

        .badge-gold {
            background: rgba(212, 168, 83, 0.15);
            color: #9A7430;
        }

        /* ===== 任务进度区 ===== */
        .steps-section {
            background: linear-gradient(145deg, #0B2D2A 0%, #0E3B35 70%, #0E7C6B 120%);
            padding: 90px 0;
            position: relative;
            overflow: hidden;
        }

        .steps-section::before {
            content: '';
            position: absolute;
            top: -60px;
            left: -60px;
            width: 240px;
            height: 240px;
            border-radius: 50%;
            border: 1.5px solid rgba(212, 168, 83, 0.12);
            box-shadow: 0 0 0 30px rgba(212, 168, 83, 0.04);
        }

        .steps-section .section-title {
            color: #fff;
        }

        .steps-section .section-desc {
            color: rgba(255, 255, 255, 0.6);
        }

        .steps-section .section-tag {
            background: rgba(212, 168, 83, 0.15);
            color: var(--color-accent);
        }

        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
            margin-top: 20px;
            position: relative;
            z-index: 2;
        }

        .step-item {
            text-align: center;
            padding: 30px 18px;
            position: relative;
        }

        .step-circle {
            width: 58px;
            height: 58px;
            border-radius: 50%;
            margin: 0 auto 20px;
            background: rgba(255, 255, 255, 0.1);
            border: 2px solid rgba(212, 168, 83, 0.5);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-accent);
            font-family: var(--font-title);
            font-size: 18px;
            font-weight: 700;
            position: relative;
            z-index: 2;
            transition: all 0.3s;
        }

        .step-item:hover .step-circle {
            background: var(--color-accent);
            color: #0B2D2A;
            box-shadow: 0 0 30px rgba(212, 168, 83, 0.4);
        }

        .step-line {
            position: absolute;
            top: 58px;
            left: calc(50% + 45px);
            right: calc(-50% + 45px);
            height: 2px;
            background: linear-gradient(90deg, rgba(212, 168, 83, 0.5), rgba(255, 255, 255, 0.1));
            z-index: 1;
        }

        .step-item:last-child .step-line {
            display: none;
        }

        .step-item h3 {
            color: #fff;
            font-size: 17px;
            font-weight: 600;
            margin-bottom: 8px;
            font-family: var(--font-title);
        }

        .step-item p {
            color: rgba(255, 255, 255, 0.5);
            font-size: 13px;
            line-height: 1.7;
        }

        /* ===== 最新动态/CMS ===== */
        .news-section {
            background: var(--color-bg-white);
            padding: 90px 0;
        }

        .news-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
            margin-top: 10px;
        }

        .news-card {
            background: var(--color-bg-white);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 28px;
            display: flex;
            flex-direction: column;
            transition: all 0.35s ease;
            position: relative;
            overflow: hidden;
            outline: none;
        }

        .news-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
            opacity: 0;
            transition: opacity 0.35s;
        }

        .news-card:hover,
        .news-card:focus-visible {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(14, 124, 107, 0.25);
        }

        .news-card:hover::before,
        .news-card:focus-visible::before {
            opacity: 1;
        }

        .news-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 14px;
            flex-wrap: wrap;
        }

        .news-meta .tag {
            padding: 3px 12px;
            border-radius: 6px;
            background: rgba(14, 124, 107, 0.1);
            color: var(--color-primary);
            font-size: 12px;
            font-weight: 600;
        }

        .news-meta time {
            color: var(--color-muted);
            font-size: 13px;
        }

        .news-card h3 {
            font-family: var(--font-title);
            font-size: 19px;
            font-weight: 700;
            color: var(--color-ink);
            line-height: 1.45;
            margin-bottom: 10px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-card p {
            color: var(--color-muted);
            font-size: 14px;
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 18px;
            flex: 1;
        }

        .news-card .read-more {
            color: var(--color-primary);
            font-size: 14px;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: all 0.3s;
        }

        .news-card:hover .read-more {
            gap: 8px;
            color: var(--color-accent);
        }

        .empty-tip {
            text-align: center;
            padding: 60px 20px;
            color: var(--color-muted);
            font-size: 15px;
            grid-column: 1 / -1;
            background: var(--color-bg);
            border-radius: var(--radius-lg);
            border: 1px dashed var(--color-border);
        }

        /* ===== CTA区 ===== */
        .cta-section {
            padding: 90px 0;
        }

        .cta-box {
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 70%, #0B2D2A 100%);
            border-radius: var(--radius-lg);
            padding: 70px 48px;
            text-align: center;
            position: relative;
            overflow: hidden;
            box-shadow: 0 20px 60px rgba(11, 45, 42, 0.3);
        }

        .cta-box::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -60px;
            width: 240px;
            height: 240px;
            border-radius: 50%;
            border: 2px solid rgba(212, 168, 83, 0.2);
            box-shadow: 0 0 0 40px rgba(212, 168, 83, 0.05);
        }

        .cta-box::after {
            content: '';
            position: absolute;
            bottom: -60px;
            left: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            border: 1.5px solid rgba(255, 255, 255, 0.08);
        }

        .cta-box h2 {
            font-family: var(--font-title);
            font-size: clamp(26px, 3.2vw, 36px);
            color: #fff;
            font-weight: 700;
            margin-bottom: 14px;
            position: relative;
            z-index: 2;
        }

        .cta-box p {
            color: rgba(255, 255, 255, 0.75);
            font-size: 16px;
            margin-bottom: 32px;
            position: relative;
            z-index: 2;
            max-width: 480px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-buttons {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
            position: relative;
            z-index: 2;
        }

        .btn-white {
            background: #ffffff;
            color: var(--color-primary-dark);
            font-weight: 700;
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.15);
        }

        .btn-white:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 32px rgba(0, 0, 0, 0.2);
            background: var(--color-accent-light);
            color: #0B2D2A;
        }

        .btn-ghost-light {
            background: transparent;
            border: 1.5px solid rgba(255, 255, 255, 0.7);
            color: #fff;
            font-weight: 600;
        }

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

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--color-bg);
            padding: 90px 0;
        }

        .faq-list {
            max-width: 780px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .faq-item {
            background: var(--color-bg-white);
            border: 1px solid var(--color-border);
            border-radius: 18px;
            padding: 0;
            overflow: hidden;
            transition: all 0.3s ease;
        }

        .faq-item:hover {
            border-color: rgba(14, 124, 107, 0.3);
            box-shadow: var(--shadow-card);
        }

        .faq-item.open {
            border-color: rgba(14, 124, 107, 0.35);
            box-shadow: var(--shadow-card);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 22px 26px;
            font-size: 17px;
            font-weight: 600;
            color: var(--color-ink);
            text-align: left;
            transition: background 0.3s;
            outline: none;
        }

        .faq-question:hover,
        .faq-question:focus-visible {
            background: rgba(14, 124, 107, 0.03);
        }

        .faq-icon {
            width: 26px;
            height: 26px;
            flex-shrink: 0;
            border-radius: 8px;
            background: rgba(14, 124, 107, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            transition: background 0.3s;
        }

        .faq-icon::before,
        .faq-icon::after {
            content: '';
            position: absolute;
            background: var(--color-primary);
            border-radius: 2px;
            transition: all 0.3s;
        }

        .faq-icon::before {
            width: 12px;
            height: 2px;
        }

        .faq-icon::after {
            width: 2px;
            height: 12px;
        }

        .faq-item.open .faq-icon {
            background: var(--color-primary);
        }

        .faq-item.open .faq-icon::before {
            background: #fff;
        }

        .faq-item.open .faq-icon::after {
            background: #fff;
            transform: rotate(90deg);
            opacity: 0;
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 26px;
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 26px 24px;
        }

        .faq-answer p {
            color: var(--color-muted);
            font-size: 15px;
            line-height: 1.8;
            border-top: 1px solid var(--color-border);
            padding-top: 16px;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--color-primary-dark);
            padding: 60px 0 30px;
            color: rgba(255, 255, 255, 0.6);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 48px;
            margin-bottom: 44px;
        }

        .footer-brand {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .footer-brand-row {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .footer-brand-text {
            color: #fff;
            font-family: var(--font-title);
            font-size: 20px;
            font-weight: 700;
            letter-spacing: 1px;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            max-width: 320px;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 16px;
            letter-spacing: 1px;
        }

        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-col a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            transition: all 0.3s;
            outline: none;
        }

        .footer-col a:hover,
        .footer-col a:focus-visible {
            color: var(--color-accent);
            transform: translateX(4px);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 24px;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.35);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1023px) {
            .sidebar {
                display: none;
            }

            .mobile-header {
                display: flex;
            }

            .main-wrapper {
                margin-left: 0;
            }

            .main-content {
                padding-top: 64px;
            }

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

            .feature-row,
            .feature-row.reverse {
                flex-direction: column;
                gap: 32px;
            }

            .feature-image {
                width: 100%;
            }

            .feature-content {
                padding: 0 10px;
            }

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

            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }

            .step-line {
                display: none;
            }

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

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

        @media (max-width: 640px) {
            .container {
                padding-left: 20px;
                padding-right: 20px;
            }

            .section {
                padding: 60px 0;
            }

            .hero {
                min-height: 80vh;
                padding: 60px 20px;
            }

            .hero-title {
                font-size: 32px;
                letter-spacing: 1px;
            }

            .hero-subtitle {
                font-size: 15px;
                margin-bottom: 28px;
            }

            .hero-buttons {
                flex-direction: column;
                align-items: center;
                gap: 12px;
            }

            .btn {
                width: 100%;
                justify-content: center;
                max-width: 260px;
            }

            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }

            .stat-item {
                padding: 20px 14px;
            }

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

            .steps-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .step-item {
                padding: 0 10px;
            }

            .cta-box {
                padding: 50px 24px;
            }

            .cta-buttons {
                flex-direction: column;
                align-items: center;
            }

            .cta-buttons .btn {
                max-width: 100%;
            }

            .faq-question {
                padding: 18px 20px;
                font-size: 15px;
            }

            .faq-answer {
                padding: 0 20px;
            }

            .faq-item.open .faq-answer {
                padding: 0 20px 20px;
            }

            .news-card {
                padding: 22px 20px;
            }

            .footer-grid {
                gap: 28px;
            }
        }

        @media (max-width: 480px) {
            .stats-grid {
                grid-template-columns: 1fr 1fr;
            }

            .stat-number {
                font-size: 26px;
            }
        }

/* roulang page: category1 */
:root {
    --color-primary: #0E7C6B;
    --color-primary-dark: #0B2D2A;
    --color-accent: #D4A853;
    --color-bg: #FAF8F4;
    --color-surface: #FFFFFF;
    --color-ink: #2B2F2E;
    --color-muted: #6B7270;
    --color-border: #E8E4DC;
    --radius-lg: 22px;
    --radius-md: 12px;
    --radius-sm: 8px;
    --shadow-card: 0 8px 30px rgba(0, 0, 0, 0.06);
    --shadow-hover: 0 14px 42px rgba(0, 0, 0, 0.12);
    --transition: 0.3s ease;
    --sidebar-w: 248px;
}

*,
*::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-color: var(--color-bg);
    color: var(--color-ink);
    line-height: 1.7;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
}

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

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

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

ul,
ol {
    list-style: none;
}

/* ---------- Layout Shell ---------- */
.site-wrapper {
    display: flex;
    min-height: 100vh;
}

/* ---------- Sidebar (Desktop) ---------- */
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: var(--sidebar-w);
    background-color: var(--color-primary-dark);
    display: flex;
    flex-direction: column;
    padding: 32px 20px 28px;
    z-index: 50;
    overflow-y: auto;
}

.sidebar-brand {
    margin-bottom: 48px;
}

.brand-link {
    display: flex;
    align-items: center;
    gap: 12px;
    color: #fff;
    font-size: 20px;
    font-weight: 700;
    letter-spacing: 0.03em;
    transition: opacity var(--transition);
}

.brand-link:hover,
.brand-link:focus-visible {
    opacity: 0.85;
    outline: none;
}

.brand-link:focus-visible {
    box-shadow: 0 0 0 2px var(--color-accent);
    border-radius: 6px;
}

.brand-mark {
    width: 38px;
    height: 38px;
    flex-shrink: 0;
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: 6px;
    flex: 1;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 13px 16px;
    border-radius: var(--radius-md);
    color: rgba(255, 255, 255, 0.72);
    font-size: 15px;
    font-weight: 500;
    transition: background-color var(--transition), color var(--transition), transform var(--transition), box-shadow var(--transition);
    border-left: 3px solid transparent;
}

.nav-item:hover {
    background-color: rgba(255, 255, 255, 0.08);
    color: #fff;
    transform: translateX(3px);
}

.nav-item:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
    color: #fff;
}

.nav-item:active {
    transform: scale(0.98);
}

.nav-item.active {
    background-color: rgba(255, 255, 255, 0.1);
    color: #fff;
    border-left-color: var(--color-accent);
    font-weight: 600;
}

.nav-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 9px;
    background-color: rgba(255, 255, 255, 0.08);
    flex-shrink: 0;
    transition: background-color var(--transition);
}

.nav-item.active .nav-icon,
.nav-item:hover .nav-icon {
    background-color: rgba(212, 168, 83, 0.2);
}

.sidebar-footer {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 24px;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.45);
    line-height: 1.8;
}

.sidebar-footer a {
    transition: color var(--transition);
}

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

/* ---------- Main Area ---------- */
.main-area {
    flex: 1;
    margin-left: var(--sidebar-w);
    min-width: 0;
    display: flex;
    flex-direction: column;
}

.page-content {
    flex: 1;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 32px;
}

/* ---------- Mobile Header ---------- */
.mobile-header {
    display: none;
    position: sticky;
    top: 0;
    z-index: 40;
    background-color: var(--color-primary-dark);
    padding: 14px 20px;
    align-items: center;
    justify-content: space-between;
}

.mobile-brand {
    color: #fff;
    font-size: 19px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 8px;
    letter-spacing: 0.03em;
}

.hamburger {
    display: inline-flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 42px;
    height: 42px;
    gap: 5px;
    border-radius: var(--radius-md);
    background-color: rgba(255, 255, 255, 0.08);
    transition: background-color var(--transition);
}

.hamburger:hover {
    background-color: rgba(255, 255, 255, 0.16);
}

.hamburger:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

.hamburger span {
    display: block;
    width: 20px;
    height: 2px;
    border-radius: 2px;
    background-color: #fff;
    transition: transform var(--transition), opacity var(--transition);
}

/* ---------- Mobile Drawer ---------- */
.drawer-overlay {
    position: fixed;
    inset: 0;
    background-color: rgba(7, 25, 23, 0.55);
    backdrop-filter: blur(3px);
    z-index: 90;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition);
}

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

.mobile-drawer {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: 300px;
    max-width: 85vw;
    background-color: var(--color-primary-dark);
    z-index: 100;
    padding: 24px 20px;
    transform: translateX(100%);
    transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1);
    display: flex;
    flex-direction: column;
    box-shadow: -12px 0 40px rgba(0, 0, 0, 0.25);
}

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

.drawer-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 36px;
}

.drawer-brand {
    color: #fff;
    font-size: 20px;
    font-weight: 700;
    letter-spacing: 0.03em;
}

.drawer-close {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    background-color: rgba(255, 255, 255, 0.08);
    color: #fff;
    font-size: 22px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: background-color var(--transition), transform var(--transition);
}

.drawer-close:hover {
    background-color: rgba(255, 255, 255, 0.16);
    transform: rotate(90deg);
}

.drawer-close:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

.drawer-nav {
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex: 1;
}

.drawer-nav .nav-item {
    padding: 14px 16px;
    font-size: 16px;
    min-height: 48px;
}

.drawer-footer {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 20px;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.45);
}

/* ---------- Page Banner ---------- */
.page-banner {
    position: relative;
    padding: 88px 0 72px;
    background: linear-gradient(135deg, rgba(11, 45, 42, 0.88) 0%, rgba(14, 124, 107, 0.76) 100%),
        url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
    color: #fff;
}

.page-banner .breadcrumb {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.62);
    margin-bottom: 20px;
    letter-spacing: 0.02em;
}

.page-banner .breadcrumb a {
    transition: color var(--transition);
}

.page-banner .breadcrumb a:hover {
    color: var(--color-accent);
}

.page-banner .breadcrumb .sep {
    margin: 0 8px;
    color: rgba(255, 255, 255, 0.35);
}

.banner-h1 {
    font-family: "Noto Serif SC", "Source Han Serif SC", serif;
    font-size: clamp(32px, 5vw, 52px);
    font-weight: 700;
    line-height: 1.25;
    letter-spacing: 0.02em;
    margin-bottom: 18px;
    color: #fff;
}

.banner-sub {
    font-size: clamp(15px, 2vw, 18px);
    line-height: 1.75;
    color: rgba(255, 255, 255, 0.78);
    max-width: 640px;
}

.banner-metrics {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-top: 40px;
}

.metric-badge {
    background-color: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: var(--radius-md);
    padding: 12px 20px;
    display: inline-flex;
    align-items: baseline;
    gap: 8px;
    backdrop-filter: blur(4px);
    transition: background-color var(--transition), transform var(--transition);
}

.metric-badge:hover {
    background-color: rgba(255, 255, 255, 0.16);
    transform: translateY(-2px);
}

.metric-badge .num {
    font-size: 24px;
    font-weight: 700;
    color: var(--color-accent);
}

.metric-badge .label {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.75);
}

/* ---------- Cards Section ---------- */
.section {
    padding: 84px 0;
}

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

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

.section-dark {
    background-color: var(--color-primary-dark);
    color: #fff;
}

.section-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 24px;
    margin-bottom: 44px;
    flex-wrap: wrap;
}

.section-head h2 {
    font-family: "Noto Serif SC", "Source Han Serif SC", serif;
    font-size: clamp(26px, 3.4vw, 38px);
    font-weight: 700;
    line-height: 1.3;
    color: var(--color-ink);
    position: relative;
    padding-left: 18px;
}

.section-head h2::before {
    content: '';
    position: absolute;
    left: 0;
    top: 6px;
    bottom: 6px;
    width: 4px;
    border-radius: 4px;
    background: linear-gradient(180deg, var(--color-primary), var(--color-accent));
}

.section-head .section-desc {
    font-size: 15px;
    color: var(--color-muted);
    max-width: 460px;
    line-height: 1.7;
}

.guide-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

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

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

.guide-card:focus-within {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

.card-media {
    aspect-ratio: 16 / 10;
    overflow: hidden;
    position: relative;
}

.card-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.guide-card:hover .card-media img {
    transform: scale(1.05);
}

.card-media::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 55%, rgba(11, 45, 42, 0.3) 100%);
}

.card-body {
    padding: 26px 26px 24px;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.card-tags {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 12px;
}

.tag {
    display: inline-block;
    font-size: 12px;
    font-weight: 600;
    padding: 4px 12px;
    border-radius: 999px;
    background-color: rgba(14, 124, 107, 0.1);
    color: var(--color-primary);
    letter-spacing: 0.02em;
}

.tag-warn {
    background-color: rgba(212, 168, 83, 0.16);
    color: #A87B2C;
}

.card-body h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--color-ink);
    margin-bottom: 10px;
    line-height: 1.4;
}

.card-body p {
    font-size: 14px;
    color: var(--color-muted);
    line-height: 1.7;
    margin-bottom: 18px;
    flex: 1;
}

.card-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    font-weight: 600;
    color: var(--color-primary);
    transition: gap var(--transition), color var(--transition);
}

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

/* ---------- Content Split Sections ---------- */
.content-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 56px;
    align-items: center;
}

.content-row.reversed .content-media {
    order: 2;
}

.content-media {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-card);
    aspect-ratio: 4 / 3;
    position: relative;
}

.content-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

.content-copy h3 {
    font-family: "Noto Serif SC", "Source Han Serif SC", serif;
    font-size: clamp(24px, 3vw, 32px);
    font-weight: 700;
    margin-bottom: 18px;
    line-height: 1.35;
}

.content-copy p {
    font-size: 15px;
    line-height: 1.8;
    color: var(--color-muted);
    margin-bottom: 16px;
}

.content-copy .highlight-list {
    margin-top: 22px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.highlight-list li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: 14px;
    color: var(--color-ink);
    line-height: 1.6;
}

.highlight-list li .dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    margin-top: 8px;
    flex-shrink: 0;
}

/* ---------- Steps / Path ---------- */
.steps-section {
    padding: 84px 0;
    border-radius: var(--radius-lg);
}

.section-dark .section-head h2 {
    color: #fff;
}

.section-dark .section-head h2::before {
    background: linear-gradient(180deg, var(--color-accent), #E7C87F);
}

.section-dark .section-head .section-desc {
    color: rgba(255, 255, 255, 0.7);
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    margin-top: 48px;
}

.step-item {
    text-align: center;
    padding: 28px 18px;
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    transition: background-color var(--transition), transform var(--transition);
}

.step-item:hover {
    background-color: rgba(255, 255, 255, 0.09);
    transform: translateY(-3px);
}

.step-num {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-primary), #16A08C);
    color: #fff;
    font-size: 18px;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
    box-shadow: 0 0 0 4px rgba(212, 168, 83, 0.25);
}

.step-item h4 {
    font-size: 16px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 8px;
}

.step-item p {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.65);
    line-height: 1.65;
}

/* ---------- FAQ ---------- */
.faq-wrap {
    max-width: 820px;
    margin: 0 auto;
}

.faq-item {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    margin-bottom: 14px;
    overflow: hidden;
    transition: box-shadow var(--transition), border-color var(--transition);
}

.faq-item:hover {
    box-shadow: var(--shadow-card);
    border-color: rgba(14, 124, 107, 0.2);
}

.faq-item.open {
    border-color: rgba(14, 124, 107, 0.35);
    box-shadow: var(--shadow-card);
}

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    font-size: 16px;
    font-weight: 600;
    color: var(--color-ink);
    text-align: left;
    transition: color var(--transition);
}

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

.faq-question:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: -2px;
    border-radius: var(--radius-md);
}

.faq-icon {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background-color: rgba(14, 124, 107, 0.1);
    position: relative;
    flex-shrink: 0;
    transition: background-color var(--transition), transform var(--transition);
}

.faq-icon::before,
.faq-icon::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: var(--color-primary);
    border-radius: 2px;
    transition: background-color var(--transition);
}

.faq-icon::before {
    width: 12px;
    height: 2px;
}

.faq-icon::after {
    width: 2px;
    height: 12px;
}

.faq-item.open .faq-icon {
    background-color: var(--color-primary);
}

.faq-item.open .faq-icon::before,
.faq-item.open .faq-icon::after {
    background-color: #fff;
}

.faq-item.open .faq-icon::after {
    transform: translate(-50%, -50%) rotate(90deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
}

.faq-answer-inner {
    padding: 0 24px 24px;
    font-size: 15px;
    line-height: 1.8;
    color: var(--color-muted);
    border-top: 1px solid var(--color-border);
    padding-top: 16px;
}

/* ---------- CTA ---------- */
.cta-band {
    padding: 88px 0;
    background: linear-gradient(135deg, #0E7C6B 0%, #0B2D2A 100%);
    position: relative;
    overflow: hidden;
}

.cta-band::before {
    content: '';
    position: absolute;
    top: -60px;
    right: -40px;
    width: 260px;
    height: 260px;
    border-radius: 50%;
    border: 2px solid rgba(212, 168, 83, 0.2);
    pointer-events: none;
}

.cta-band::after {
    content: '';
    position: absolute;
    bottom: -80px;
    left: 10%;
    width: 180px;
    height: 180px;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.08);
    pointer-events: none;
}

.cta-inner {
    text-align: center;
    position: relative;
    z-index: 2;
}

.cta-inner h2 {
    font-family: "Noto Serif SC", "Source Han Serif SC", serif;
    font-size: clamp(28px, 4vw, 40px);
    font-weight: 700;
    color: #fff;
    margin-bottom: 16px;
    line-height: 1.3;
}

.cta-inner p {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.78);
    margin-bottom: 36px;
}

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

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 34px;
    border-radius: var(--radius-md);
    font-size: 15px;
    font-weight: 600;
    letter-spacing: 0.02em;
    transition: transform var(--transition), box-shadow var(--transition), background-color var(--transition), color var(--transition), border-color var(--transition);
    min-height: 48px;
}

.btn:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 3px;
}

.btn:active {
    transform: scale(0.97);
}

.btn-primary {
    background: linear-gradient(135deg, #0E7C6B 0%, #0B2D2A 100%);
    color: #fff;
    box-shadow: 0 6px 22px rgba(11, 45, 42, 0.28);
}

.btn-primary:hover {
    box-shadow: 0 10px 32px rgba(11, 45, 42, 0.38);
    transform: translateY(-2px);
    background: linear-gradient(135deg, #12907E 0%, #0D3B36 100%);
}

.btn-light {
    background-color: #fff;
    color: var(--color-primary-dark);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

.btn-light:hover {
    background-color: var(--color-accent);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(212, 168, 83, 0.35);
}

.btn-outline-light {
    background-color: transparent;
    color: #fff;
    border: 1.5px solid rgba(255, 255, 255, 0.7);
}

.btn-outline-light:hover {
    background-color: #fff;
    color: var(--color-primary-dark);
    transform: translateY(-2px);
}

/* ---------- Footer ---------- */
.site-footer {
    background-color: var(--color-primary-dark);
    color: rgba(255, 255, 255, 0.7);
    padding: 56px 0 32px;
    margin-top: 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 40px;
}

.footer-brand-row {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 14px;
}

.footer-brand-text {
    font-size: 19px;
    font-weight: 700;
    color: #fff;
    letter-spacing: 0.03em;
}

.footer-brand p {
    font-size: 14px;
    line-height: 1.75;
    color: rgba(255, 255, 255, 0.55);
    max-width: 320px;
}

.footer-col h4 {
    font-size: 15px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 18px;
    letter-spacing: 0.04em;
}

.footer-col ul {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-col ul li a {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.55);
    transition: color var(--transition), padding-left var(--transition);
}

.footer-col ul li a:hover {
    color: var(--color-accent);
    padding-left: 4px;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 24px;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.45);
    text-align: center;
}

/* ---------- Responsive ---------- */
@media (max-width: 1023px) {
    .sidebar {
        display: none;
    }

    .main-area {
        margin-left: 0;
    }

    .mobile-header {
        display: flex;
    }

    .container {
        padding: 0 20px;
    }

    .section {
        padding: 60px 0;
    }

    .guide-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

    .content-row,
    .content-row.reversed {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .content-row.reversed .content-media {
        order: 0;
    }

    .steps-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 18px;
    }

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

@media (max-width: 640px) {
    .page-banner {
        padding: 56px 0 48px;
    }

    .guide-grid {
        grid-template-columns: 1fr;
        gap: 18px;
    }

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

    .section {
        padding: 48px 0;
    }

    .section-head {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
        margin-bottom: 30px;
    }

    .cta-band {
        padding: 60px 0;
    }

    .cta-actions {
        flex-direction: column;
        align-items: stretch;
        max-width: 320px;
        margin: 0 auto;
    }

    .btn {
        width: 100%;
    }

    .metric-badge {
        padding: 10px 16px;
    }

    .metric-badge .num {
        font-size: 20px;
    }

    .card-body {
        padding: 20px;
    }
}

/* roulang page: article */
:root {
    --color-primary: #0E7C6B;
    --color-primary-dark: #0B2D2A;
    --color-accent: #D4A853;
    --color-bg: #F7F5F0;
    --color-surface: #FFFFFF;
    --color-ink: #2B2F2E;
    --color-muted: #6B7270;
    --color-border: #E5E0D8;
    --radius-lg: 24px;
    --radius-md: 12px;
    --radius-sm: 8px;
    --shadow-card: 0 8px 30px rgba(0, 0, 0, 0.06);
    --shadow-hover: 0 12px 40px rgba(0, 0, 0, 0.12);
    --font-serif: "Noto Serif SC", "Source Han Serif SC", "SimSun", serif;
    --font-sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.7;
    color: var(--color-ink);
    background: var(--color-bg);
    -webkit-font-smoothing: antialiased;
}

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

a {
    color: inherit;
    text-decoration: none;
    transition: all .3s ease;
}

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

ul,
ol {
    list-style: none;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding-left: 24px;
    padding-right: 24px;
}

.app-layout {
    min-height: 100vh;
}

.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: 260px;
    height: 100vh;
    background: var(--color-primary-dark);
    z-index: 120;
    display: flex;
    flex-direction: column;
    transition: transform .35s ease;
}

.sidebar-inner {
    display: flex;
    flex-direction: column;
    height: 100%;
    padding: 32px 20px 24px;
    overflow-y: auto;
}

.sidebar-brand {
    padding: 0 8px 36px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    margin-bottom: 28px;
}

.brand-link {
    display: flex;
    align-items: center;
    gap: 12px;
    color: #fff;
}

.brand-link:hover {
    opacity: .9;
}

.brand-text {
    font-family: var(--font-serif);
    font-size: 22px;
    font-weight: 700;
    letter-spacing: .04em;
    color: #fff;
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: 6px;
    flex: 1;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 13px 16px;
    border-radius: 12px;
    color: rgba(255, 255, 255, 0.72);
    font-size: 15px;
    font-weight: 500;
    border-left: 3px solid transparent;
    transition: all .3s ease;
}

.nav-item .nav-icon {
    display: inline-flex;
    flex-shrink: 0;
    opacity: .85;
}

.nav-item:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.08);
    transform: translateX(3px);
}

.nav-item.active {
    color: #fff;
    background: rgba(255, 255, 255, 0.12);
    border-left-color: var(--color-accent);
}

.nav-item:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

.nav-item:active {
    transform: scale(.98);
}

.sidebar-footer {
    padding: 20px 8px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.45);
    font-size: 13px;
    line-height: 1.6;
}

.main-content {
    margin-left: 260px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.main {
    flex: 1;
}

.mobile-header {
    display: none;
    position: sticky;
    top: 0;
    z-index: 90;
    height: 64px;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
    background: var(--color-primary-dark);
}

.mobile-brand {
    font-family: var(--font-serif);
    font-size: 20px;
    font-weight: 700;
    color: #fff;
}

.menu-toggle {
    width: 44px;
    height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    color: #fff;
    transition: background .3s;
}

.menu-toggle:hover {
    background: rgba(255, 255, 255, 0.1);
}

.menu-toggle:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

.menu-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 110;
}

.menu-overlay.active {
    display: block;
}

.sidebar.open {
    transform: translateX(0);
    box-shadow: 0 0 60px rgba(0, 0, 0, 0.4);
}

.breadcrumb {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
    max-width: 760px;
    margin: 0 auto 32px;
    padding: 32px 24px 0;
    font-size: 14px;
    color: var(--color-muted);
}

.breadcrumb a {
    color: var(--color-primary);
    font-weight: 500;
}

.breadcrumb a:hover {
    color: var(--color-accent);
}

.breadcrumb .sep {
    color: #C5C0B8;
}

.article-wrap {
    max-width: 760px;
    margin: 0 auto;
    padding: 0 24px;
}

.article-header {
    margin-bottom: 40px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--color-border);
}

.article-header h1 {
    font-family: var(--font-serif);
    font-size: 38px;
    font-weight: 700;
    line-height: 1.3;
    color: var(--color-primary-dark);
    margin-bottom: 16px;
    letter-spacing: .01em;
}

.article-meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
    font-size: 14px;
    color: var(--color-muted);
}

.meta-item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.meta-item.tag {
    background: rgba(14, 124, 107, 0.1);
    color: var(--color-primary);
    padding: 4px 14px;
    border-radius: 999px;
    font-weight: 500;
}

.article-content {
    font-size: 16.5px;
    line-height: 1.85;
    color: #3A403E;
}

.article-content p {
    margin-bottom: 22px;
}

.article-content h2 {
    font-family: var(--font-serif);
    font-size: 28px;
    font-weight: 700;
    color: var(--color-primary-dark);
    margin: 44px 0 16px;
    padding-left: 16px;
    border-left: 4px solid var(--color-accent);
    line-height: 1.4;
}

.article-content h3 {
    font-family: var(--font-serif);
    font-size: 22px;
    font-weight: 600;
    color: var(--color-primary-dark);
    margin: 32px 0 12px;
}

.article-content h4 {
    font-size: 18px;
    font-weight: 600;
    color: var(--color-primary-dark);
    margin: 24px 0 10px;
}

.article-content ul {
    margin: 16px 0 24px;
    padding-left: 4px;
}

.article-content ul li {
    position: relative;
    padding-left: 24px;
    margin-bottom: 10px;
}

.article-content ul li::before {
    content: "";
    position: absolute;
    left: 2px;
    top: 12px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-accent);
}

.article-content ol {
    margin: 16px 0 24px;
    padding-left: 24px;
    counter-reset: item;
}

.article-content ol li {
    position: relative;
    padding-left: 8px;
    margin-bottom: 10px;
    counter-increment: item;
}

.article-content ol li::before {
    content: counter(item) ".";
    position: absolute;
    left: -16px;
    color: var(--color-primary);
    font-weight: 600;
}

.article-content blockquote {
    border-left: 4px solid var(--color-accent);
    background: #FAF8F4;
    padding: 18px 24px;
    border-radius: 0 14px 14px 0;
    margin: 28px 0;
    color: var(--color-muted);
    font-style: normal;
}

.article-content img {
    border-radius: 16px;
    box-shadow: var(--shadow-card);
    margin: 28px 0;
}

.article-content a {
    color: var(--color-primary);
    border-bottom: 1px solid rgba(14, 124, 107, 0.3);
}

.article-content a:hover {
    color: var(--color-accent);
    border-bottom-color: var(--color-accent);
}

.article-content pre {
    background: var(--color-primary-dark);
    color: #E8F0ED;
    padding: 20px 24px;
    border-radius: 14px;
    overflow-x: auto;
    font-family: "SFMono-Regular", Consolas, monospace;
    font-size: 14px;
    line-height: 1.7;
    margin: 28px 0;
}

.article-content code {
    background: rgba(14, 124, 107, 0.08);
    padding: 2px 8px;
    border-radius: 6px;
    font-size: .92em;
    font-family: "SFMono-Regular", Consolas, monospace;
}

.article-content pre code {
    background: transparent;
    padding: 0;
    color: inherit;
}

.article-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 28px 0;
    font-size: 15px;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--color-border);
}

.article-content th,
.article-content td {
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid var(--color-border);
}

.article-content th {
    background: #F2EFE9;
    font-weight: 600;
    color: var(--color-primary-dark);
}

.article-content tr:last-child td {
    border-bottom: none;
}

.not-found {
    text-align: center;
    padding: 80px 24px;
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-card);
}

.not-found-icon {
    width: 72px;
    height: 72px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(14, 124, 107, 0.08);
    color: var(--color-primary);
}

.not-found h2 {
    font-family: var(--font-serif);
    font-size: 28px;
    font-weight: 700;
    color: var(--color-primary-dark);
    margin-bottom: 12px;
}

.not-found p {
    color: var(--color-muted);
    margin-bottom: 28px;
    font-size: 15px;
}

.article-back {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
    margin: 48px 0 8px;
    padding-top: 24px;
    border-top: 1px solid var(--color-border);
}

.back-label {
    font-size: 14px;
    color: var(--color-muted);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 13px 28px;
    border-radius: var(--radius-md);
    font-size: 15px;
    font-weight: 600;
    border: 1.5px solid transparent;
    transition: all .3s ease;
    line-height: 1.4;
}

.btn:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 3px;
}

.btn:active {
    transform: scale(.97);
}

.btn-primary {
    background: linear-gradient(135deg, #0E7C6B, #0B2D2A);
    color: #fff;
    box-shadow: 0 8px 24px rgba(14, 124, 107, 0.25);
}

.btn-primary:hover {
    box-shadow: 0 12px 32px rgba(14, 124, 107, 0.35);
    transform: translateY(-2px);
    color: #fff;
}

.btn-ghost {
    background: transparent;
    border-color: var(--color-border);
    color: var(--color-primary-dark);
}

.btn-ghost:hover {
    border-color: var(--color-primary);
    background: rgba(14, 124, 107, 0.05);
    transform: translateY(-2px);
}

.related-section {
    padding: 80px 0;
    background: var(--color-surface);
    margin-top: 64px;
    border-top: 1px solid var(--color-border);
}

.section-head {
    text-align: center;
    margin-bottom: 44px;
}

.section-head h2 {
    font-family: var(--font-serif);
    font-size: 34px;
    font-weight: 700;
    color: var(--color-primary-dark);
    margin-bottom: 10px;
}

.section-head p {
    color: var(--color-muted);
    font-size: 15px;
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.related-card {
    display: block;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all .35s ease;
    box-shadow: var(--shadow-card);
}

.related-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
    border-color: rgba(14, 124, 107, 0.25);
}

.related-card .card-cover {
    aspect-ratio: 16 / 10;
    overflow: hidden;
    background: linear-gradient(135deg, #0E7C6B, #0B2D2A);
}

.related-card .card-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .4s ease;
}

.related-card:hover .card-cover img {
    transform: scale(1.04);
}

.related-card .card-body {
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.related-card .card-body .tag {
    align-self: flex-start;
    background: rgba(14, 124, 107, 0.1);
    color: var(--color-primary);
    font-size: 13px;
    font-weight: 600;
    padding: 3px 12px;
    border-radius: 999px;
}

.related-card .card-body h3 {
    font-family: var(--font-serif);
    font-size: 20px;
    font-weight: 700;
    color: var(--color-primary-dark);
    line-height: 1.4;
}

.related-card .card-body p {
    font-size: 14px;
    color: var(--color-muted);
    line-height: 1.6;
}

.related-card .card-link {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-primary);
    transition: all .3s;
}

.related-card:hover .card-link {
    color: var(--color-accent);
}

.cta-section {
    padding: 90px 0;
    background: linear-gradient(135deg, #0E7C6B 0%, #0B2D2A 100%);
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: "";
    position: absolute;
    top: -60px;
    right: -40px;
    width: 300px;
    height: 300px;
    border: 2px solid rgba(255, 255, 255, 0.12);
    border-radius: 50%;
    pointer-events: none;
}

.cta-section::after {
    content: "";
    position: absolute;
    bottom: -80px;
    left: 30px;
    width: 200px;
    height: 200px;
    border: 2px solid rgba(212, 168, 83, 0.2);
    border-radius: 50%;
    pointer-events: none;
}

.cta-inner {
    text-align: center;
    position: relative;
    z-index: 1;
}

.cta-inner h2 {
    font-family: var(--font-serif);
    font-size: 36px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 14px;
}

.cta-inner p {
    color: rgba(255, 255, 255, 0.75);
    font-size: 16px;
    margin-bottom: 34px;
}

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

.btn-white {
    background: #fff;
    color: var(--color-primary-dark);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.18);
}

.btn-white:hover {
    background: #F7F5F0;
    transform: translateY(-2px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.25);
    color: var(--color-primary-dark);
}

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

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

.site-footer {
    background: var(--color-primary-dark);
    color: rgba(255, 255, 255, 0.65);
    padding: 64px 0 28px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.6fr 1fr 1fr;
    gap: 48px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand-row {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.footer-brand-text {
    font-family: var(--font-serif);
    font-size: 22px;
    font-weight: 700;
    color: #fff;
}

.footer-brand p {
    font-size: 14px;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.55);
    max-width: 320px;
}

.footer-col h4 {
    font-size: 15px;
    font-weight: 600;
    color: #fff;
    margin-bottom: 18px;
    letter-spacing: .03em;
}

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

.footer-col ul li a {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
}

.footer-col ul li a:hover {
    color: var(--color-accent);
    padding-left: 4px;
}

.footer-bottom {
    padding-top: 24px;
    text-align: center;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.4);
}

@media (max-width: 1199px) {
    .related-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 20px;
    }
}

@media (max-width: 1023px) {
    .sidebar {
        transform: translateX(-100%);
        width: 280px;
    }
    .sidebar.open {
        transform: translateX(0);
    }
    .main-content {
        margin-left: 0;
    }
    .mobile-header {
        display: flex;
    }
    .menu-overlay {
        display: block;
        opacity: 0;
        visibility: hidden;
        transition: opacity .3s, visibility .3s;
    }
    .menu-overlay.active {
        opacity: 1;
        visibility: visible;
    }
    .menu-overlay {
        pointer-events: none;
    }
    .menu-overlay.active {
        pointer-events: auto;
    }
    .related-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 767px) {
    .container {
        padding-left: 18px;
        padding-right: 18px;
    }
    .breadcrumb {
        padding: 24px 18px 0;
    }
    .article-wrap {
        padding: 0 18px;
    }
    .article-header h1 {
        font-size: 30px;
    }
    .article-content {
        font-size: 15.5px;
    }
    .article-content h2 {
        font-size: 24px;
    }
    .article-content h3 {
        font-size: 20px;
    }
    .related-section {
        padding: 56px 0;
    }
    .related-grid {
        grid-template-columns: 1fr;
        gap: 18px;
    }
    .cta-section {
        padding: 64px 0;
    }
    .cta-inner h2 {
        font-size: 28px;
    }
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    .footer-col ul {
        display: flex;
        flex-wrap: wrap;
        gap: 12px 24px;
    }
    .footer-col ul li {
        margin-bottom: 0;
    }
    .article-back {
        flex-direction: column;
        align-items: flex-start;
    }
}

@media (max-width: 520px) {
    .mobile-header {
        height: 56px;
    }
    .breadcrumb {
        font-size: 13px;
        gap: 6px;
    }
    .article-header h1 {
        font-size: 26px;
    }
    .article-meta {
        gap: 10px;
        font-size: 13px;
    }
    .article-content h2 {
        font-size: 22px;
        padding-left: 12px;
    }
    .cta-actions {
        flex-direction: column;
        align-items: center;
    }
    .cta-actions .btn {
        width: 100%;
        max-width: 260px;
    }
    .btn {
        padding: 12px 22px;
        font-size: 14px;
    }
    .not-found {
        padding: 56px 20px;
    }
    .not-found h2 {
        font-size: 24px;
    }
}

@media (min-width: 1440px) {
    .container {
        max-width: 1200px;
    }
}

/* roulang page: category2 */
:root {
            --color-primary: #0E7C6B;
            --color-primary-dark: #0A5E51;
            --color-accent: #D4A853;
            --color-accent-light: #E8C97A;
            --color-bg: #F7F5F0;
            --color-bg-white: #FFFFFF;
            --color-ink: #2B2F2E;
            --color-muted: #6B7270;
            --color-dark: #0B2D2A;
            --color-dark-2: #0E3B35;
            --color-border: #E4E0D8;
            --radius-card: 20px;
            --radius-btn: 12px;
            --shadow-card: 0 8px 30px rgba(0,0,0,0.06);
            --shadow-card-hover: 0 12px 40px rgba(0,0,0,0.12);
            --font-serif: 'Noto Serif SC', 'Source Han Serif SC', 'Noto Serif', serif;
            --font-sans: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

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

        a {
            text-decoration: none;
            color: inherit;
            transition: color .3s ease;
        }

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

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

        input {
            font-family: inherit;
            border: none;
            outline: none;
            background: none;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 32px;
        }

        .section-head {
            margin-bottom: 48px;
            text-align: center;
        }

        .section-tag {
            display: inline-block;
            font-size: 13px;
            letter-spacing: 2px;
            color: var(--color-primary);
            background: rgba(14, 124, 107, .08);
            border-radius: 999px;
            padding: 6px 16px;
            font-weight: 600;
            margin-bottom: 16px;
        }

        .section-head h2 {
            font-family: var(--font-serif);
            font-size: 36px;
            line-height: 1.3;
            color: var(--color-dark);
            font-weight: 700;
            letter-spacing: .5px;
        }

        .section-head p {
            margin-top: 12px;
            font-size: 16px;
            color: var(--color-muted);
        }

        /* ===== 侧边栏（桌面端） ===== */
        .sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: 240px;
            height: 100vh;
            background: var(--color-dark);
            display: flex;
            flex-direction: column;
            padding: 32px 24px 24px;
            z-index: 1000;
            overflow-y: auto;
        }

        .sidebar-logo {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 48px;
            padding: 0 8px;
        }

        .sidebar-logo svg {
            flex-shrink: 0;
        }

        .sidebar-logo span {
            font-family: var(--font-serif);
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            letter-spacing: 2px;
        }

        .sidebar-nav {
            display: flex;
            flex-direction: column;
            gap: 6px;
            flex: 1;
        }

        .nav-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 13px 16px;
            border-radius: 12px;
            color: rgba(255, 255, 255, .72);
            font-size: 15px;
            font-weight: 500;
            transition: background .3s ease, color .3s ease, transform .2s ease;
            position: relative;
        }

        .nav-item:hover {
            background: rgba(255, 255, 255, .06);
            color: #fff;
            transform: translateX(2px);
        }

        .nav-item:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }

        .nav-item.active {
            background: rgba(255, 255, 255, .1);
            color: #fff;
            font-weight: 600;
        }

        .nav-item.active::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 4px;
            height: 20px;
            border-radius: 0 4px 4px 0;
            background: var(--color-accent);
        }

        .nav-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 24px;
            height: 24px;
            opacity: .85;
        }

        .sidebar-contact {
            margin-top: 24px;
            padding: 16px 12px;
            border-top: 1px solid rgba(255, 255, 255, .1);
            font-size: 13px;
            color: rgba(255, 255, 255, .5);
        }

        .sidebar-contact a {
            display: block;
            padding: 4px 0;
            transition: color .3s ease;
        }

        .sidebar-contact a:hover {
            color: var(--color-accent);
        }

        /* ===== 移动端顶栏 ===== */
        .mobile-topbar {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 60px;
            background: var(--color-dark);
            z-index: 1100;
            padding: 0 20px;
            align-items: center;
            justify-content: space-between;
        }

        .mobile-logo {
            font-family: var(--font-serif);
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            letter-spacing: 1px;
        }

        .menu-toggle {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 10px;
            color: #fff;
            transition: background .3s ease;
        }

        .menu-toggle:hover {
            background: rgba(255, 255, 255, .1);
        }

        .menu-toggle svg {
            width: 22px;
            height: 22px;
        }

        .drawer-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, .45);
            z-index: 1200;
            opacity: 0;
            visibility: hidden;
            transition: opacity .3s ease, visibility .3s ease;
        }

        .drawer-overlay.open {
            opacity: 1;
            visibility: visible;
        }

        .mobile-drawer {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            bottom: 0;
            width: 280px;
            background: var(--color-dark);
            z-index: 1300;
            padding: 28px 24px;
            transform: translateX(-100%);
            transition: transform .35s cubic-bezier(.22, 1, .36, 1);
            overflow-y: auto;
        }

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

        .mobile-drawer .drawer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 32px;
            font-family: var(--font-serif);
            font-size: 20px;
            font-weight: 700;
            color: #fff;
        }

        .mobile-drawer .drawer-nav {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .mobile-drawer .nav-item {
            padding: 14px 16px;
            font-size: 16px;
        }

        .drawer-close {
            position: absolute;
            top: 20px;
            right: 20px;
            width: 36px;
            height: 36px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 10px;
            color: rgba(255, 255, 255, .7);
            transition: background .3s ease;
        }

        .drawer-close:hover {
            background: rgba(255, 255, 255, .1);
            color: #fff;
        }

        /* ===== 主内容区 ===== */
        .main-wrapper {
            margin-left: 240px;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        .main-content {
            flex: 1;
        }

        /* ===== Hero ===== */
        .category-hero {
            position: relative;
            min-height: 480px;
            display: flex;
            align-items: center;
            overflow: hidden;
            background: var(--color-dark);
        }

        .category-hero-bg {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            opacity: .55;
        }

        .category-hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(11, 45, 42, .9) 0%, rgba(14, 124, 107, .62) 55%, rgba(212, 168, 83, .24) 100%);
        }

        .category-hero-content {
            position: relative;
            z-index: 2;
            padding: 96px 32px;
            max-width: 1200px;
            margin: 0 auto;
            width: 100%;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: rgba(255, 255, 255, .65);
            margin-bottom: 24px;
        }

        .breadcrumb a {
            color: rgba(255, 255, 255, .85);
            transition: color .3s ease;
        }

        .breadcrumb a:hover {
            color: var(--color-accent);
        }

        .breadcrumb-sep {
            color: rgba(255, 255, 255, .35);
        }

        .category-hero-content h1 {
            font-family: var(--font-serif);
            font-size: clamp(36px, 5vw, 56px);
            line-height: 1.2;
            color: #fff;
            font-weight: 700;
            letter-spacing: 1px;
            margin-bottom: 20px;
            text-shadow: 0 4px 24px rgba(0, 0, 0, .2);
        }

        .category-hero-content .hero-desc {
            font-size: 18px;
            line-height: 1.7;
            color: rgba(255, 255, 255, .78);
            max-width: 620px;
            margin-bottom: 36px;
        }

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

        /* ===== 按钮 ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: var(--radius-btn);
            font-size: 16px;
            font-weight: 600;
            transition: all .3s ease;
            cursor: pointer;
            line-height: 1.4;
            border: 1.5px solid transparent;
        }

        .btn:active {
            transform: scale(.97);
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
            color: #fff;
            box-shadow: 0 4px 16px rgba(14, 124, 107, .3);
        }

        .btn-primary:hover {
            box-shadow: 0 8px 28px rgba(14, 124, 107, .4);
            transform: translateY(-2px);
            filter: brightness(1.06);
        }

        .btn-outline-light {
            background: transparent;
            border-color: rgba(255, 255, 255, .7);
            color: #fff;
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, .12);
            border-color: #fff;
            transform: translateY(-2px);
        }

        .btn-white {
            background: #fff;
            color: var(--color-primary-dark);
            box-shadow: 0 4px 16px rgba(0, 0, 0, .12);
        }

        .btn-white:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(0, 0, 0, .18);
            background: var(--color-accent-light);
        }

        .btn-lg {
            padding: 16px 40px;
            font-size: 17px;
        }

        /* ===== 数据徽章条 ===== */
        .stats-section {
            background: var(--color-bg-white);
            padding: 56px 0;
            border-bottom: 1px solid var(--color-border);
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .stat-card {
            text-align: center;
            padding: 24px 20px;
            background: var(--color-bg);
            border-radius: 16px;
            border: 1px solid var(--color-border);
            transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
        }

        .stat-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(14, 124, 107, .25);
        }

        .stat-value {
            font-family: var(--font-serif);
            font-size: 40px;
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1.2;
        }

        .stat-value .unit {
            font-size: 22px;
            color: var(--color-accent);
        }

        .stat-label {
            margin-top: 8px;
            font-size: 14px;
            color: var(--color-muted);
            font-weight: 500;
        }

        /* ===== 资讯服务卡片 ===== */
        .news-cards-section {
            padding: 96px 0;
            background: var(--color-bg);
        }

        .cards-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 32px;
        }

        .news-card {
            background: var(--color-bg-white);
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: transform .3s ease, box-shadow .3s ease;
            display: flex;
            flex-direction: column;
        }

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

        .card-thumb {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: linear-gradient(135deg, #e8f0ee, #c9ddd8);
        }

        .card-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s ease;
        }

        .news-card:hover .card-thumb img {
            transform: scale(1.04);
        }

        .card-body {
            padding: 28px 28px 24px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .card-title {
            font-family: var(--font-serif);
            font-size: 22px;
            font-weight: 700;
            color: var(--color-dark);
            margin-bottom: 12px;
            line-height: 1.35;
        }

        .card-desc {
            font-size: 15px;
            line-height: 1.7;
            color: var(--color-muted);
            flex: 1;
            margin-bottom: 20px;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .card-tags {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }

        .tag {
            display: inline-block;
            font-size: 13px;
            color: var(--color-primary);
            background: rgba(14, 124, 107, .07);
            border-radius: 999px;
            padding: 4px 14px;
            font-weight: 500;
            transition: background .3s ease, color .3s ease;
        }

        .tag:hover {
            background: var(--color-primary);
            color: #fff;
        }

        /* ===== 内容分区 ===== */
        .info-band {
            background: var(--color-dark);
            padding: 100px 0;
            background-image: linear-gradient(rgba(11, 45, 42, .92), rgba(11, 45, 42, .94)), url('/assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
        }

        .info-grid {
            display: grid;
            grid-template-columns: 440px 1fr;
            gap: 64px;
            align-items: center;
        }

        .info-media {
            border-radius: 24px;
            overflow: hidden;
            box-shadow: 0 20px 60px rgba(0, 0, 0, .3);
            border: 1px solid rgba(255, 255, 255, .08);
        }

        .info-media img {
            width: 100%;
            aspect-ratio: 4/3;
            object-fit: cover;
        }

        .info-content h3 {
            font-family: var(--font-serif);
            font-size: 28px;
            color: #fff;
            font-weight: 700;
            margin-bottom: 16px;
            line-height: 1.4;
        }

        .info-content h3:not(:first-child) {
            margin-top: 40px;
        }

        .info-content p {
            font-size: 16px;
            line-height: 1.85;
            color: rgba(255, 255, 255, .75);
            max-width: 560px;
        }

        .info-content .info-more {
            margin-top: 36px;
        }

        /* ===== FAQ ===== */
        .faq-section {
            padding: 96px 0;
            background: var(--color-bg);
        }

        .faq-list {
            max-width: 840px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .faq-item {
            background: var(--color-bg-white);
            border-radius: 16px;
            border: 1px solid var(--color-border);
            overflow: hidden;
            transition: box-shadow .3s ease, border-color .3s ease;
        }

        .faq-item:hover {
            border-color: rgba(14, 124, 107, .3);
            box-shadow: var(--shadow-card);
        }

        .faq-item.open {
            border-color: rgba(14, 124, 107, .4);
            box-shadow: var(--shadow-card);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            width: 100%;
            padding: 22px 28px;
            font-size: 17px;
            font-weight: 600;
            color: var(--color-dark);
            text-align: left;
            transition: background .3s ease;
        }

        .faq-question:hover {
            background: rgba(247, 245, 240, .6);
        }

        .faq-icon {
            flex-shrink: 0;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: rgba(14, 124, 107, .08);
            color: var(--color-primary);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            transition: transform .35s ease, background .3s ease, color .3s ease;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .4s ease;
        }

        .faq-answer-inner {
            padding: 0 28px 24px;
            font-size: 15px;
            line-height: 1.85;
            color: var(--color-muted);
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 80px 0 100px;
            background: var(--color-bg);
        }

        .cta-card {
            background: linear-gradient(135deg, #0E7C6B 0%, #0B2D2A 60%, #0E3B35 100%);
            border-radius: 28px;
            padding: 64px 48px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-card::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -80px;
            width: 280px;
            height: 280px;
            border-radius: 50%;
            background: rgba(255, 255, 255, .05);
        }

        .cta-card::after {
            content: '';
            position: absolute;
            bottom: -60px;
            left: 40px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(212, 168, 83, .08);
        }

        .cta-card h2 {
            font-family: var(--font-serif);
            font-size: 34px;
            color: #fff;
            font-weight: 700;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
            letter-spacing: 1px;
        }

        .cta-card .cta-desc {
            font-size: 16px;
            color: rgba(255, 255, 255, .75);
            margin-bottom: 32px;
            position: relative;
            z-index: 1;
        }

        .subscribe-form {
            display: flex;
            gap: 12px;
            max-width: 480px;
            margin: 0 auto 20px;
            position: relative;
            z-index: 1;
        }

        .subscribe-input {
            flex: 1;
            padding: 14px 18px;
            border-radius: var(--radius-btn);
            background: rgba(255, 255, 255, .12);
            border: 1.5px solid rgba(255, 255, 255, .25);
            color: #fff;
            font-size: 15px;
            transition: border-color .3s ease, box-shadow .3s ease, background .3s ease;
        }

        .subscribe-input::placeholder {
            color: rgba(255, 255, 255, .55);
        }

        .subscribe-input:focus {
            border-color: var(--color-accent);
            background: rgba(255, 255, 255, .16);
            box-shadow: 0 0 0 4px rgba(212, 168, 83, .2);
            outline: none;
        }

        .cta-alt {
            position: relative;
            z-index: 1;
            margin-top: 8px;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--color-dark);
            padding: 72px 0 32px;
            color: rgba(255, 255, 255, .65);
        }

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

        .footer-brand-row {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }

        .footer-brand-text {
            font-family: var(--font-serif);
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            letter-spacing: 1px;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            max-width: 320px;
            color: rgba(255, 255, 255, .55);
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 18px;
            letter-spacing: 1px;
        }

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

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

        .footer-col ul a {
            font-size: 14px;
            color: rgba(255, 255, 255, .55);
            transition: color .3s ease, padding-left .3s ease;
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .08);
            padding-top: 24px;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, .4);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1023px) {
            .sidebar {
                display: none;
            }

            .mobile-topbar {
                display: flex;
            }

            .drawer-overlay,
            .mobile-drawer {
                display: block;
            }

            .main-wrapper {
                margin-left: 0;
                padding-top: 60px;
            }

            .category-hero-content {
                padding: 72px 24px;
            }

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

            .info-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }

            .info-media {
                max-width: 420px;
            }

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

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

        @media (max-width: 639px) {
            .container {
                padding: 0 20px;
            }

            .section-head h2 {
                font-size: 28px;
            }

            .category-hero {
                min-height: 400px;
            }

            .category-hero-content h1 {
                font-size: 32px;
            }

            .category-hero-content .hero-desc {
                font-size: 16px;
            }

            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }

            .hero-actions .btn {
                width: 100%;
            }

            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }

            .stat-value {
                font-size: 32px;
            }

            .news-cards-section {
                padding: 64px 0;
            }

            .card-body {
                padding: 20px;
            }

            .card-title {
                font-size: 19px;
            }

            .info-band {
                padding: 64px 0;
            }

            .info-content h3 {
                font-size: 23px;
            }

            .faq-section {
                padding: 64px 0;
            }

            .faq-question {
                padding: 18px 20px;
                font-size: 15px;
            }

            .faq-answer-inner {
                padding: 0 20px 20px;
            }

            .cta-card {
                padding: 40px 24px;
                border-radius: 20px;
            }

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

            .subscribe-form {
                flex-direction: column;
            }

            .subscribe-form .btn {
                width: 100%;
            }

            .site-footer {
                padding: 48px 0 24px;
            }
        }