/* roulang page: index */
:root {
            --primary: #0F766E;
            --primary-dark: #115E59;
            --primary-deep: #134E4A;
            --accent: #D97706;
            --accent-light: #FBBF24;
            --bg: #F8F6F3;
            --card: #FFFFFF;
            --text: #1C1917;
            --text-secondary: #57534E;
            --text-faint: #A8A29E;
            --border: #E7E5E4;
            --radius-card: 16px;
            --radius-btn: 8px;
            --shadow: 0 4px 20px rgba(15, 118, 110, 0.08);
            --shadow-hover: 0 8px 30px rgba(15, 118, 110, 0.12);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'Noto Sans SC', system-ui, sans-serif;
            background-color: var(--bg);
            color: var(--text);
            line-height: 1.75;
            font-size: 16px;
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.2s ease, background 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
        }

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

        input {
            font-family: inherit;
        }

        h1,
        h2,
        h3,
        h4 {
            font-family: 'Noto Serif SC', 'Songti SC', serif;
            letter-spacing: 0.02em;
            line-height: 1.35;
        }

        .container-main {
            max-width: 1280px;
            margin: 0 auto;
            padding-left: 40px;
            padding-right: 40px;
        }

        @media (max-width: 1199px) {
            .container-main {
                padding-left: 24px;
                padding-right: 24px;
            }
        }

        @media (max-width: 767px) {
            .container-main {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        .section-space {
            padding-top: 96px;
            padding-bottom: 96px;
        }

        @media (max-width: 767px) {
            .section-space {
                padding-top: 64px;
                padding-bottom: 64px;
            }
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            background: var(--primary);
            color: #fff;
            font-weight: 500;
            font-size: 15px;
            box-shadow: 0 2px 10px rgba(15, 118, 110, 0.2);
            transition: background 0.3s ease, transform 0.2s ease, box-shadow 0.3s ease;
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 6px 18px rgba(15, 118, 110, 0.28);
        }

        .btn-primary:active {
            transform: translateY(1px);
        }

        .btn-primary:focus-visible {
            outline: 3px solid rgba(15, 118, 110, 0.2);
            outline-offset: 2px;
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            background: transparent;
            border: 1.5px solid var(--primary);
            color: var(--primary);
            font-weight: 500;
            font-size: 15px;
            transition: background 0.3s ease, border-color 0.3s ease, transform 0.2s ease;
        }

        .btn-outline:hover {
            background: rgba(15, 118, 110, 0.06);
            border-color: var(--primary-dark);
            color: var(--primary-dark);
            transform: translateY(-2px);
        }

        .btn-accent {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            background: var(--accent);
            color: #fff;
            font-weight: 500;
            font-size: 15px;
            box-shadow: 0 2px 10px rgba(217, 119, 6, 0.25);
            transition: background 0.3s ease, transform 0.2s ease, box-shadow 0.3s ease;
        }

        .btn-accent:hover {
            background: #B45309;
            transform: translateY(-2px);
            box-shadow: 0 6px 18px rgba(217, 119, 6, 0.3);
        }

        .btn-accent:active {
            transform: translateY(1px);
        }

        .btn-accent:focus-visible {
            outline: 3px solid rgba(217, 119, 6, 0.25);
            outline-offset: 2px;
        }

        .link-arrow {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--primary);
            font-weight: 500;
            font-size: 14px;
            transition: color 0.2s ease, gap 0.2s ease;
        }

        .link-arrow:hover {
            color: var(--primary-dark);
            gap: 10px;
        }

        .tag-badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 4px 12px;
            border-radius: 999px;
            background: rgba(15, 118, 110, 0.08);
            color: var(--primary);
            font-size: 13px;
            font-weight: 500;
        }

        .tag-accent {
            background: rgba(217, 119, 6, 0.12);
            color: var(--accent);
        }

        .card-base {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow);
            transition: box-shadow 0.3s ease, border-color 0.3s ease, transform 0.3s ease;
        }

        .card-base:hover {
            box-shadow: var(--shadow-hover);
            border-color: rgba(15, 118, 110, 0.3);
        }

        .form-input {
            width: 100%;
            padding: 12px 16px;
            border: 1.5px solid var(--border);
            border-radius: var(--radius-btn);
            font-size: 14px;
            background: #fff;
            color: var(--text);
            transition: border-color 0.3s ease, box-shadow 0.3s ease;
        }

        .form-input:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(15, 118, 110, 0.12);
        }

        .form-input::placeholder {
            color: var(--text-faint);
        }

        /* sidebar */
        .sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: 264px;
            height: 100vh;
            background: #fff;
            border-right: 1px solid var(--border);
            display: flex;
            flex-direction: column;
            z-index: 100;
            padding: 28px 20px;
        }

        .sidebar .brand {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 0 8px 28px;
            border-bottom: 1px solid var(--border);
            margin-bottom: 24px;
        }

        .brand-mark {
            width: 42px;
            height: 42px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-deep) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            flex-shrink: 0;
        }

        .brand-text {
            font-family: 'Noto Serif SC', serif;
            font-size: 20px;
            font-weight: 700;
            color: var(--text);
            letter-spacing: 0.04em;
        }

        .brand-sub {
            font-size: 11px;
            color: var(--text-faint);
            letter-spacing: 0.08em;
            margin-top: 2px;
        }

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

        .sidebar-nav a {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 13px 14px;
            border-radius: 10px;
            font-size: 14.5px;
            font-weight: 500;
            color: var(--text-secondary);
            border-left: 4px solid transparent;
            transition: background 0.25s, color 0.25s, border-color 0.25s;
        }

        .sidebar-nav a i {
            width: 20px;
            text-align: center;
            color: var(--text-faint);
            transition: color 0.25s;
        }

        .sidebar-nav a:hover {
            background: rgba(15, 118, 110, 0.05);
            color: var(--primary);
        }

        .sidebar-nav a:hover i {
            color: var(--primary);
        }

        .sidebar-nav a.active {
            background: rgba(15, 118, 110, 0.08);
            color: var(--primary);
            border-left-color: var(--primary);
            font-weight: 600;
        }

        .sidebar-nav a.active i {
            color: var(--primary);
        }

        .sidebar-footer {
            padding: 16px 8px 4px;
            border-top: 1px solid var(--border);
            font-size: 12px;
            color: var(--text-faint);
            line-height: 1.8;
        }

        .sidebar-footer .social-links {
            display: flex;
            gap: 14px;
            margin-top: 10px;
        }

        .sidebar-footer .social-links a {
            color: var(--text-faint);
            transition: color 0.2s, transform 0.2s;
        }

        .sidebar-footer .social-links a:hover {
            color: var(--primary);
            transform: translateY(-2px);
        }

        .main-wrap {
            margin-left: 264px;
        }

        .topbar {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 64px;
            background: #fff;
            border-bottom: 1px solid var(--border);
            z-index: 90;
            align-items: center;
            justify-content: space-between;
            padding: 0 16px;
        }

        .drawer-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.5);
            z-index: 95;
        }

        .drawer-overlay.show {
            display: block;
        }

        .drawer {
            position: fixed;
            top: 0;
            left: 0;
            width: 280px;
            height: 100vh;
            background: #fff;
            z-index: 99;
            transform: translateX(-100%);
            transition: transform 0.3s ease;
            display: flex;
            flex-direction: column;
            padding: 24px 20px;
        }

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

        .drawer .brand {
            display: flex;
            align-items: center;
            gap: 12px;
            padding-bottom: 24px;
            border-bottom: 1px solid var(--border);
            margin-bottom: 20px;
        }

        .drawer .sidebar-nav a {
            padding: 14px;
            font-size: 15px;
        }

        .drawer .close-btn {
            position: absolute;
            top: 16px;
            right: 16px;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--bg);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-secondary);
            transition: background 0.2s;
        }

        .drawer .close-btn:hover {
            background: rgba(15, 118, 110, 0.1);
            color: var(--primary);
        }

        .hamburger {
            width: 44px;
            height: 44px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--bg);
            font-size: 20px;
            color: var(--text);
            transition: background 0.2s;
        }

        .hamburger:hover {
            background: rgba(15, 118, 110, 0.08);
        }

        @media (min-width: 1200px) {
            .main-wrap {
                margin-left: 264px;
            }
        }

        @media (max-width: 1199px) {
            .sidebar {
                display: none;
            }
            .main-wrap {
                margin-left: 0;
            }
            .topbar {
                display: flex;
            }
            .main-wrap .page-content {
                padding-top: 64px;
            }
        }

        @media (max-width: 767px) {
            .main-wrap .page-content {
                padding-top: 64px;
            }
        }

        /* hero */
        .hero-section {
            position: relative;
            min-height: 540px;
            display: flex;
            align-items: flex-end;
            background-size: cover;
            background-position: center;
            overflow: hidden;
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(19, 78, 74, 0.92) 0%, rgba(15, 118, 110, 0.72) 45%, rgba(15, 118, 110, 0.25) 100%);
        }

        .hero-content {
            position: relative;
            z-index: 2;
            padding-top: 80px;
            padding-bottom: 60px;
        }

        .live-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 7px 18px;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.92);
            color: var(--primary-deep);
            font-size: 13px;
            font-weight: 600;
            backdrop-filter: blur(6px);
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.1);
        }

        .live-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: #EF4444;
            animation: pulse 1.6s infinite;
        }

        @keyframes pulse {
            0% {
                box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.5);
            }
            70% {
                box-shadow: 0 0 0 8px rgba(239, 68, 68, 0);
            }
            100% {
                box-shadow: 0 0 0 0 rgba(239, 68, 68, 0);
            }
        }

        .countdown-box {
            display: inline-flex;
            gap: 12px;
            backdrop-filter: blur(4px);
        }

        .cd-item {
            background: rgba(255, 255, 255, 0.9);
            border-radius: 12px;
            padding: 12px 16px;
            text-align: center;
            min-width: 76px;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
        }

        .cd-num {
            font-size: 32px;
            font-weight: 700;
            color: var(--primary);
            font-variant-numeric: tabular-nums;
            line-height: 1.2;
        }

        .cd-label {
            font-size: 13px;
            color: var(--text-secondary);
            margin-top: 4px;
        }

        .point-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 10px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.18);
            color: rgba(255, 255, 255, 0.92);
            font-size: 14.5px;
        }

        .point-list li i {
            margin-top: 4px;
            color: var(--accent-light);
            font-size: 14px;
            width: 18px;
            text-align: center;
        }

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

        .hero-subscribe {
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.2);
            backdrop-filter: blur(8px);
            border-radius: 16px;
            padding: 24px;
        }

        .hero-subscribe input {
            border-color: rgba(255, 255, 255, 0.3);
            background: rgba(255, 255, 255, 0.9);
        }

        /* cms list */
        .article-card {
            display: flex;
            flex-direction: column;
            height: 100%;
        }

        .article-card .thumb {
            border-radius: 12px;
            overflow: hidden;
            aspect-ratio: 16/10;
        }

        .article-card .thumb img {
            object-fit: cover;
            transition: transform 0.35s ease;
            height: 100%;
        }

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

        .article-card .content {
            padding: 18px 18px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .article-card .content h3 {
            font-size: 17px;
            line-height: 1.5;
            font-weight: 600;
            font-family: 'Noto Sans SC', sans-serif;
            margin: 10px 0 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: color 0.2s;
        }

        .article-card:hover .content h3 {
            color: var(--primary);
        }

        .article-card .content p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 12px;
        }

        .empty-state {
            background: #f0eeea;
            border: 1px dashed var(--border);
            border-radius: var(--radius-card);
            padding: 48px 20px;
            text-align: center;
            color: var(--text-faint);
            font-size: 15px;
        }

        /* replay card */
        .replay-card {
            position: relative;
            border-radius: var(--radius-card);
            overflow: hidden;
            background: #fff;
            box-shadow: var(--shadow);
            transition: box-shadow 0.3s, transform 0.3s;
            cursor: pointer;
        }

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

        .replay-card .thumb {
            position: relative;
            aspect-ratio: 16/9;
            overflow: hidden;
        }

        .replay-card .thumb img {
            object-fit: cover;
            height: 100%;
            transition: transform 0.35s;
        }

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

        .replay-card .duration {
            position: absolute;
            top: 10px;
            right: 10px;
            background: rgba(0, 0, 0, 0.65);
            color: #fff;
            font-size: 12px;
            padding: 3px 10px;
            border-radius: 999px;
            backdrop-filter: blur(4px);
        }

        .replay-card .play-btn {
            position: absolute;
            bottom: 14px;
            left: 14px;
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            box-shadow: 0 4px 14px rgba(0, 0, 0, 0.2);
            transition: background 0.3s, transform 0.3s;
        }

        .replay-card:hover .play-btn {
            background: var(--accent);
            transform: scale(1.08);
        }

        .replay-card .meta {
            padding: 16px 18px 18px;
        }

        .replay-card .meta h3 {
            font-size: 16px;
            font-weight: 600;
            font-family: 'Noto Sans SC', sans-serif;
            margin-bottom: 6px;
            line-height: 1.4;
        }

        .replay-card .meta .date {
            font-size: 13px;
            color: var(--text-faint);
        }

        /* service asymmetric grid */
        .service-title-side {
            position: sticky;
            top: 120px;
        }

        .service-item-card {
            background: #fff;
            border-radius: var(--radius-card);
            padding: 28px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .service-item-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: rgba(15, 118, 110, 0.25);
        }

        .service-item-card .icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(15, 118, 110, 0.1);
            color: var(--primary);
            font-size: 20px;
            margin-bottom: 18px;
            transition: background 0.3s, color 0.3s;
        }

        .service-item-card:hover .icon {
            background: var(--primary);
            color: #fff;
        }

        .service-item-card h3 {
            font-size: 18px;
            font-weight: 600;
            font-family: 'Noto Sans SC', sans-serif;
            margin-bottom: 10px;
        }

        .service-item-card p {
            font-size: 14.5px;
            color: var(--text-secondary);
            line-height: 1.75;
            margin-bottom: 16px;
        }

        /* stats */
        .stats-section {
            background: var(--primary-deep);
            position: relative;
            overflow: hidden;
        }

        .stats-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: 
                linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
            background-size: 40px 40px;
            pointer-events: none;
        }

        .stat-item {
            text-align: center;
            padding: 32px 20px;
            position: relative;
        }

        .stat-item .num {
            font-size: 48px;
            font-weight: 700;
            color: #fff;
            font-family: 'Noto Serif SC', serif;
            line-height: 1.2;
            font-variant-numeric: tabular-nums;
        }

        .stat-item .label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.8);
            margin-top: 8px;
        }

        /* faq */
        .faq-item {
            border-bottom: 1px solid var(--border);
            padding: 0;
        }

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

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            padding: 22px 24px;
            font-size: 16px;
            font-weight: 500;
            color: var(--text);
            text-align: left;
            transition: color 0.2s, background 0.2s;
            cursor: pointer;
        }

        .faq-question:hover {
            color: var(--primary);
            background: rgba(15, 118, 110, 0.02);
        }

        .faq-question .icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(15, 118, 110, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-size: 16px;
            color: var(--primary);
            transition: transform 0.3s, background 0.3s;
        }

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

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

        .faq-answer-inner {
            padding: 0 24px 22px;
            font-size: 14.5px;
            color: var(--text-secondary);
            line-height: 1.8;
        }

        /* cta */
        .cta-section {
            background: linear-gradient(120deg, var(--primary-deep), var(--primary-dark));
            border-radius: 20px;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: 
                linear-gradient(rgba(255, 255, 255, 0.07) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255, 255, 255, 0.07) 1px, transparent 1px);
            background-size: 50px 50px;
        }

        /* footer */
        .site-footer {
            background: #1C1917;
            color: rgba(255, 255, 255, 0.75);
            padding: 64px 0 0;
        }

        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 40px;
            padding-bottom: 48px;
        }

        .site-footer h4 {
            font-family: 'Noto Serif SC', serif;
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 20px;
            letter-spacing: 0.03em;
        }

        .site-footer .footer-brand {
            font-family: 'Noto Serif SC', serif;
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }

        .site-footer a.link {
            display: block;
            padding: 5px 0;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            transition: color 0.2s, transform 0.2s;
        }

        .site-footer a.link:hover {
            color: #F8F6F3;
            transform: translateX(4px);
        }

        .site-footer .contact-line {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            margin-bottom: 12px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
        }

        .site-footer .contact-line i {
            width: 16px;
            margin-top: 4px;
            color: var(--accent);
        }

        .site-footer .newsletter {
            display: flex;
            gap: 0;
            border-radius: 8px;
            overflow: hidden;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.15);
        }

        .site-footer .newsletter input {
            flex: 1;
            background: transparent;
            border: none;
            padding: 12px 14px;
            color: #fff;
            font-size: 14px;
            outline: none;
        }

        .site-footer .newsletter input::placeholder {
            color: rgba(255, 255, 255, 0.5);
        }

        .site-footer .newsletter button {
            background: var(--accent);
            color: #fff;
            padding: 0 18px;
            font-size: 14px;
            font-weight: 500;
            transition: background 0.3s;
        }

        .site-footer .newsletter button:hover {
            background: #B45309;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 20px 0;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }

        @media (max-width: 1023px) {
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 767px) {
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .countdown-box {
                width: 100%;
                justify-content: space-between;
                flex-wrap: wrap;
                gap: 8px;
            }
            .cd-item {
                min-width: 70px;
                padding: 10px 8px;
            }
            .cd-num {
                font-size: 26px;
            }
            .hero-section {
                min-height: auto;
                padding-bottom: 0;
            }
        }

        @media (max-width: 520px) {
            .countdown-box {
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .cd-item {
                min-width: 0;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #0F766E;
            --primary-dark: #115E59;
            --primary-deep: #134E4A;
            --accent: #D97706;
            --accent-hover: #B45309;
            --accent-light: #FBBF24;
            --bg-main: #F8F6F3;
            --bg-card: #FFFFFF;
            --text-main: #1C1917;
            --text-sub: #57534E;
            --text-weak: #A8A29E;
            --border: #E7E5E4;
            --radius-lg: 16px;
            --radius-md: 8px;
            --shadow-card: 0 4px 20px rgba(15, 118, 110, 0.08);
            --shadow-hover: 0 8px 30px rgba(15, 118, 110, 0.14);
            --sidebar-w: 264px;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            background: var(--bg-main);
            color: var(--text-main);
            line-height: 1.75;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }
        h1,
        h2,
        h3,
        h4 {
            font-family: 'Noto Serif SC', 'Songti SC', SimSun, serif;
            letter-spacing: 0.02em;
            line-height: 1.35;
            font-weight: 700;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.25s ease;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
            font-family: inherit;
        }
        input,
        button {
            font-family: inherit;
            outline: none;
        }

        .container-main {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 48px;
        }

        /* ===== Sidebar ===== */
        .sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-w);
            height: 100vh;
            background: #F1EFEB;
            border-right: 1px solid var(--border);
            z-index: 1000;
            display: flex;
            flex-direction: column;
            padding: 28px 20px;
            transition: transform 0.3s ease;
        }
        .sidebar-logo {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 8px 12px 24px;
            border-bottom: 1px solid var(--border);
            margin-bottom: 20px;
        }
        .sidebar-logo .logo-mark {
            width: 42px;
            height: 42px;
            background: linear-gradient(135deg, var(--primary), var(--primary-deep));
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 20px;
            flex-shrink: 0;
        }
        .sidebar-logo .logo-text {
            font-family: 'Noto Serif SC', serif;
            font-size: 19px;
            font-weight: 700;
            color: var(--text-main);
            letter-spacing: 0.03em;
            line-height: 1.3;
        }
        .sidebar-nav {
            display: flex;
            flex-direction: column;
            gap: 6px;
            flex: 1;
            margin-top: 8px;
        }
        .sidebar-nav a {
            display: flex;
            align-items: center;
            gap: 14px;
            height: 46px;
            padding: 0 16px;
            border-radius: var(--radius-md);
            font-size: 15px;
            font-weight: 500;
            color: var(--text-sub);
            border-left: 4px solid transparent;
            transition: background 0.25s ease, color 0.25s ease, border-color 0.25s ease;
        }
        .sidebar-nav a i {
            width: 20px;
            text-align: center;
            font-size: 16px;
            color: var(--text-weak);
            transition: color 0.25s ease;
        }
        .sidebar-nav a:hover {
            background: rgba(15, 118, 110, 0.06);
            color: var(--primary);
        }
        .sidebar-nav a:hover i {
            color: var(--primary);
        }
        .sidebar-nav a.active {
            background: rgba(15, 118, 110, 0.1);
            color: var(--primary);
            border-left-color: var(--primary);
            font-weight: 600;
        }
        .sidebar-nav a.active i {
            color: var(--primary);
        }
        .sidebar-footer {
            padding: 16px 12px 4px;
            border-top: 1px solid var(--border);
            font-size: 13px;
            color: var(--text-weak);
            line-height: 1.8;
        }
        .sidebar-footer .phone {
            color: var(--text-sub);
            font-weight: 600;
            font-size: 14px;
        }

        /* ===== Mobile top bar ===== */
        .mobile-topbar {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 64px;
            background: #F1EFEB;
            border-bottom: 1px solid var(--border);
            z-index: 1100;
            padding: 0 20px;
            align-items: center;
            justify-content: space-between;
        }
        .mobile-topbar .mobile-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: 'Noto Serif SC', serif;
            font-weight: 700;
            font-size: 17px;
            color: var(--text-main);
        }
        .mobile-topbar .mobile-logo i {
            color: var(--primary);
            font-size: 22px;
        }
        .hamburger-btn {
            width: 42px;
            height: 42px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 8px;
            color: var(--text-main);
            font-size: 20px;
            transition: background 0.2s ease;
        }
        .hamburger-btn:hover {
            background: rgba(15, 118, 110, 0.08);
        }
        .drawer-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.5);
            z-index: 1050;
        }
        .drawer-overlay.open {
            display: block;
        }

        /* ===== Main ===== */
        .main-wrapper {
            margin-left: var(--sidebar-w);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        .page-main {
            flex: 1;
        }

        /* ===== Hero ===== */
        .category-hero {
            position: relative;
            padding: 80px 0 72px;
            background: linear-gradient(135deg, #f0f7f5 0%, #e6f0ed 55%, #dcebe6 100%);
            overflow: hidden;
        }
        .category-hero .container-main {
            display: flex;
            align-items: center;
            gap: 60px;
            position: relative;
            z-index: 2;
        }
        .category-hero .hero-left {
            flex: 1;
        }
        .category-hero .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(15, 118, 110, 0.12);
            padding: 6px 16px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary-dark);
            margin-bottom: 20px;
        }
        .category-hero .hero-badge i {
            font-size: 14px;
        }
        .category-hero h1 {
            font-size: 42px;
            color: var(--text-main);
            margin-bottom: 16px;
        }
        .category-hero h1 span {
            color: var(--primary);
        }
        .category-hero .hero-desc {
            font-size: 17px;
            color: var(--text-sub);
            line-height: 1.9;
            max-width: 560px;
            margin-bottom: 28px;
        }
        .category-hero .hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        .category-hero .hero-image {
            flex-shrink: 0;
            width: 360px;
            height: 260px;
            border-radius: 20px;
            overflow: hidden;
            box-shadow: 0 16px 40px rgba(15, 118, 110, 0.18);
            position: relative;
        }
        .category-hero .hero-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .category-hero .hero-image:hover img {
            transform: scale(1.04);
        }
        .category-hero .hero-image::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(160deg, rgba(15, 118, 110, 0.05), rgba(15, 118, 110, 0.3));
        }
        .category-hero .hero-tag {
            position: absolute;
            bottom: 16px;
            left: 16px;
            background: rgba(255, 255, 255, 0.92);
            border-radius: 999px;
            padding: 6px 14px;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            z-index: 3;
        }
        .noise-bg {
            position: absolute;
            top: 0;
            right: 0;
            width: 60%;
            height: 100%;
            background-image: repeating-linear-gradient(0deg, transparent, transparent 39px, rgba(15, 118, 110, 0.04) 40px), repeating-linear-gradient(90deg, transparent, transparent 39px, rgba(15, 118, 110, 0.04) 40px);
            pointer-events: none;
        }

        /* ===== Section ===== */
        .section-block {
            padding: 88px 0;
        }
        .section-block.alt-bg {
            background: var(--bg-card);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }
        .section-head {
            margin-bottom: 48px;
        }
        .section-head .section-sub {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--primary);
            font-size: 14px;
            font-weight: 600;
            letter-spacing: 0.04em;
            margin-bottom: 10px;
        }
        .section-head .section-sub::before {
            content: '';
            width: 24px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }
        .section-head h2 {
            font-size: 30px;
            color: var(--text-main);
            margin-bottom: 12px;
        }
        .section-head p {
            font-size: 16px;
            color: var(--text-sub);
            max-width: 680px;
            line-height: 1.8;
        }

        /* ===== Card grid ===== */
        .cards-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .guide-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 28px 26px;
            box-shadow: var(--shadow-card);
            transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
            position: relative;
            overflow: hidden;
        }
        .guide-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(15, 118, 110, 0.3);
        }
        .guide-card .card-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: rgba(15, 118, 110, 0.1);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin-bottom: 20px;
            transition: background 0.3s ease, color 0.3s ease, transform 0.3s ease;
        }
        .guide-card:hover .card-icon {
            background: var(--primary);
            color: #fff;
            transform: scale(1.05);
        }
        .guide-card h3 {
            font-size: 18px;
            color: var(--text-main);
            margin-bottom: 10px;
        }
        .guide-card p {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.8;
            margin-bottom: 16px;
        }
        .guide-card .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
        }
        .guide-card .card-link i {
            font-size: 12px;
            transition: transform 0.25s ease;
        }
        .guide-card .card-link:hover i {
            transform: translateX(4px);
        }
        .guide-card .card-num {
            position: absolute;
            top: 20px;
            right: 22px;
            font-family: 'Noto Serif SC', serif;
            font-size: 42px;
            font-weight: 700;
            color: rgba(15, 118, 110, 0.08);
            line-height: 1;
            pointer-events: none;
        }

        /* ===== Mixed ===== */
        .market-overview {
            display: flex;
            align-items: center;
            gap: 60px;
        }
        .market-overview .overview-image {
            width: 46%;
            flex-shrink: 0;
            border-radius: 20px;
            overflow: hidden;
            box-shadow: 0 12px 32px rgba(15, 118, 110, 0.14);
        }
        .market-overview .overview-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            aspect-ratio: 4 / 3;
            transition: transform 0.5s ease;
        }
        .market-overview .overview-image:hover img {
            transform: scale(1.04);
        }
        .market-overview .overview-image .image-quote {
            background: var(--primary-deep);
            padding: 12px 18px;
            color: rgba(255, 255, 255, 0.85);
            font-size: 13px;
            font-style: italic;
        }
        .market-overview .overview-content {
            flex: 1;
        }
        .market-overview .overview-content h2 {
            font-size: 28px;
            margin-bottom: 16px;
            color: var(--text-main);
        }
        .market-overview .overview-content p {
            font-size: 16px;
            line-height: 1.9;
            color: var(--text-sub);
            margin-bottom: 18px;
        }
        .stat-list {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
            margin: 28px 0;
        }
        .stat-item {
            background: var(--bg-main);
            border: 1px solid var(--border);
            border-radius: 12px;
            padding: 14px 16px;
            text-align: center;
        }
        .stat-item .stat-num {
            font-family: 'Noto Serif SC', serif;
            font-size: 26px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
            font-variant-numeric: tabular-nums;
        }
        .stat-item .stat-label {
            font-size: 13px;
            color: var(--text-sub);
            margin-top: 4px;
        }

        /* ===== Flow ===== */
        .flow-section {
            background: var(--primary-deep);
            padding: 88px 0;
            position: relative;
            overflow: hidden;
        }
        .flow-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: repeating-linear-gradient(0deg, transparent, transparent 59px, rgba(255, 255, 255, 0.04) 60px), repeating-linear-gradient(90deg, transparent, transparent 59px, rgba(255, 255, 255, 0.04) 60px);
            pointer-events: none;
        }
        .flow-section .section-head h2,
        .flow-section .section-head p {
            color: #fff;
        }
        .flow-section .section-head p {
            color: rgba(255, 255, 255, 0.7);
        }
        .flow-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            position: relative;
            z-index: 2;
        }
        .flow-step {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.14);
            border-radius: 16px;
            padding: 28px 22px;
            backdrop-filter: blur(4px);
            transition: background 0.3s ease, transform 0.3s ease;
        }
        .flow-step:hover {
            background: rgba(255, 255, 255, 0.14);
            transform: translateY(-4px);
        }
        .flow-step .step-num {
            display: inline-flex;
            width: 34px;
            height: 34px;
            border-radius: 50%;
            background: var(--accent);
            color: #fff;
            font-size: 15px;
            font-weight: 700;
            font-family: 'Noto Serif SC', serif;
            align-items: center;
            justify-content: center;
            margin-bottom: 16px;
            font-variant-numeric: tabular-nums;
        }
        .flow-step h3 {
            color: #fff;
            font-size: 18px;
            margin-bottom: 10px;
        }
        .flow-step p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 14px;
            line-height: 1.75;
        }

        /* ===== Scenario ===== */
        .scenario-grid {
            display: grid;
            grid-template-columns: 1fr 1fr 1fr;
            gap: 24px;
        }
        .scenario-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 16px;
            padding: 32px 28px;
            position: relative;
            overflow: hidden;
            transition: box-shadow 0.3s ease, transform 0.3s ease;
        }
        .scenario-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .scenario-card::after {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 80px;
            height: 80px;
            background: linear-gradient(135deg, transparent 50%, rgba(15, 118, 110, 0.08) 50%);
        }
        .scenario-card .scenario-icon {
            width: 46px;
            height: 46px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            margin-bottom: 18px;
        }
        .scenario-card:nth-child(1) .scenario-icon {
            background: rgba(217, 119, 6, 0.12);
            color: var(--accent);
        }
        .scenario-card:nth-child(2) .scenario-icon {
            background: rgba(15, 118, 110, 0.1);
            color: var(--primary);
        }
        .scenario-card:nth-child(3) .scenario-icon {
            background: rgba(139, 92, 246, 0.12);
            color: #7C3AED;
        }
        .scenario-card h3 {
            font-size: 18px;
            margin-bottom: 10px;
        }
        .scenario-card p {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.8;
        }

        /* ===== FAQ ===== */
        .faq-wrap {
            max-width: 860px;
            margin: 0 auto;
        }
        .faq-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 14px;
            margin-bottom: 14px;
            overflow: hidden;
            transition: box-shadow 0.3s ease, border-color 0.3s ease;
        }
        .faq-item:hover {
            border-color: rgba(15, 118, 110, 0.3);
        }
        .faq-item.open {
            box-shadow: var(--shadow-card);
            border-color: rgba(15, 118, 110, 0.2);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 24px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            transition: color 0.25s ease;
            user-select: none;
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(15, 118, 110, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: var(--primary);
            transition: transform 0.3s ease, background 0.3s ease;
            font-style: normal;
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            background: var(--primary);
            color: #fff;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 24px;
            font-size: 15px;
            color: var(--text-sub);
            line-height: 1.85;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }

        /* ===== CTA ===== */
        .cta-banner {
            background: linear-gradient(120deg, var(--primary-dark), var(--primary-deep));
            border-radius: 24px;
            padding: 56px 64px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 40px;
            position: relative;
            overflow: hidden;
            margin: 0 32px;
        }
        .cta-banner::after {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 300px;
            height: 100%;
            background-image: radial-gradient(circle at 80% 30%, rgba(255, 255, 255, 0.12) 0%, transparent 60%);
            pointer-events: none;
        }
        .cta-banner .cta-content {
            position: relative;
            z-index: 2;
        }
        .cta-banner h2 {
            color: #fff;
            font-size: 28px;
            margin-bottom: 12px;
        }
        .cta-banner p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 16px;
        }
        .cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: #fff;
            color: var(--primary-dark);
            font-weight: 600;
            font-size: 16px;
            padding: 14px 32px;
            border-radius: 999px;
            transition: transform 0.25s ease, box-shadow 0.25s ease;
            flex-shrink: 0;
            position: relative;
            z-index: 2;
            box-shadow: 0 4px 14px rgba(0, 0, 0, 0.12);
        }
        .cta-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.18);
        }

        /* ===== Buttons ===== */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            font-size: 15px;
            padding: 12px 26px;
            border-radius: var(--radius-md);
            transition: background 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
            box-shadow: 0 4px 14px rgba(15, 118, 110, 0.2);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(15, 118, 110, 0.26);
        }
        .btn-primary:active {
            transform: translateY(0);
        }
        .btn-primary:focus-visible {
            outline: 3px solid rgba(15, 118, 110, 0.25);
            outline-offset: 2px;
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--primary);
            font-weight: 600;
            font-size: 15px;
            padding: 12px 26px;
            border-radius: var(--radius-md);
            border: 1px solid var(--primary);
            transition: background 0.25s ease, color 0.25s ease, transform 0.25s ease;
        }
        .btn-outline:hover {
            background: rgba(15, 118, 110, 0.06);
            transform: translateY(-2px);
        }
        .btn-outline:focus-visible {
            outline: 3px solid rgba(15, 118, 110, 0.25);
            outline-offset: 2px;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--primary-deep);
            color: #fff;
            padding: 64px 0 32px;
            margin-left: 0;
            width: 100%;
        }
        .site-footer .container-main {
            padding-bottom: 32px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1.2fr 1.4fr;
            gap: 40px;
        }
        .footer-brand {
            font-family: 'Noto Serif SC', serif;
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .footer-brand::before {
            content: '\f0e7';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            color: var(--accent-light);
        }
        .site-footer h4 {
            font-size: 16px;
            font-family: 'Noto Sans SC', sans-serif;
            font-weight: 600;
            margin-bottom: 16px;
        }
        .site-footer .link {
            display: block;
            color: rgba(255, 255, 255, 0.6);
            font-size: 14px;
            line-height: 2.2;
            transition: color 0.25s ease, padding-left 0.25s ease;
        }
        .site-footer .link:hover {
            color: #fff;
            padding-left: 4px;
        }
        .contact-line {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            color: rgba(255, 255, 255, 0.65);
            font-size: 14px;
            line-height: 2;
            margin-bottom: 6px;
        }
        .contact-line i {
            color: var(--accent-light);
            margin-top: 6px;
            font-size: 14px;
            width: 18px;
            text-align: center;
            flex-shrink: 0;
        }
        .newsletter {
            display: flex;
            gap: 8px;
            margin-top: 12px;
        }
        .newsletter input {
            flex: 1;
            min-width: 0;
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 8px;
            padding: 10px 14px;
            font-size: 14px;
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            transition: border-color 0.25s ease, background 0.25s ease;
        }
        .newsletter input::placeholder {
            color: rgba(255, 255, 255, 0.4);
        }
        .newsletter input:focus {
            border-color: var(--accent-light);
            background: rgba(255, 255, 255, 0.14);
        }
        .newsletter button {
            background: var(--accent);
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            padding: 10px 20px;
            border-radius: 8px;
            transition: background 0.25s ease;
            white-space: nowrap;
        }
        .newsletter button:hover {
            background: var(--accent-hover);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 24px;
            margin-top: 40px;
        }
        .footer-bottom p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1199px) {
            .sidebar {
                width: 80px;
                padding: 24px 12px;
            }
            .sidebar-logo {
                justify-content: center;
                padding: 8px 0 20px;
            }
            .sidebar-logo .logo-text {
                display: none;
            }
            .sidebar-nav a {
                justify-content: center;
                padding: 0;
                font-size: 0;
                border-left: none;
                height: 50px;
            }
            .sidebar-nav a i {
                font-size: 20px;
                width: auto;
            }
            .sidebar-nav a:hover::after {
                content: attr(data-slug);
                position: absolute;
                left: 76px;
                background: var(--primary);
                color: #fff;
                font-size: 13px;
                padding: 4px 10px;
                border-radius: 6px;
                white-space: nowrap;
                z-index: 100;
            }
            .sidebar-nav a {
                position: relative;
            }
            .sidebar-footer {
                display: none;
            }
            .main-wrapper {
                margin-left: 80px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }
        @media (max-width: 1023px) {
            .cards-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .scenario-grid {
                grid-template-columns: 1fr 1fr;
            }
            .flow-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .market-overview {
                flex-direction: column;
                gap: 32px;
            }
            .market-overview .overview-image {
                width: 100%;
            }
            .category-hero .hero-image {
                display: none;
            }
            .cta-banner {
                flex-direction: column;
                text-align: center;
                padding: 40px 32px;
            }
        }
        @media (max-width: 767px) {
            .mobile-topbar {
                display: flex;
            }
            .sidebar {
                transform: translateX(-100%);
                width: 280px;
                padding: 24px 20px;
                box-shadow: 0 0 40px rgba(0, 0, 0, 0.15);
            }
            .sidebar.open {
                transform: translateX(0);
            }
            .sidebar-logo {
                justify-content: flex-start;
                padding: 8px 12px 20px;
            }
            .sidebar-logo .logo-text {
                display: block;
            }
            .sidebar-nav a {
                justify-content: flex-start;
                padding: 0 16px;
                font-size: 15px;
                border-left: 4px solid transparent;
                height: 46px;
            }
            .sidebar-nav a i {
                font-size: 16px;
                width: 20px;
            }
            .sidebar-footer {
                display: block;
            }
            .main-wrapper {
                margin-left: 0;
                padding-top: 64px;
            }
            .site-footer {
                padding: 48px 0 24px;
            }
            .container-main {
                padding: 0 20px;
            }
            .category-hero {
                padding: 56px 0 48px;
            }
            .category-hero h1 {
                font-size: 30px;
            }
            .category-hero .hero-desc {
                font-size: 15px;
            }
            .section-block {
                padding: 64px 0;
            }
            .cards-grid,
            .scenario-grid,
            .flow-grid {
                grid-template-columns: 1fr;
            }
            .stat-list {
                grid-template-columns: repeat(3, 1fr);
                gap: 10px;
            }
            .stat-item .stat-num {
                font-size: 20px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .cta-banner {
                margin: 0 12px;
                padding: 32px 24px;
            }
            .cta-banner h2 {
                font-size: 22px;
            }
            .faq-question {
                padding: 16px 18px;
                font-size: 15px;
            }
            .faq-answer {
                padding: 0 18px;
            }
            .faq-item.open .faq-answer {
                padding: 0 18px 16px;
            }
            .section-head h2 {
                font-size: 24px;
            }
            .category-hero .hero-actions {
                flex-direction: column;
                align-items: flex-start;
            }
        }
        @media (max-width: 520px) {
            .container-main {
                padding: 0 16px;
            }
            .card-btn {
                min-width: 100%;
            }
            .newsletter {
                flex-direction: column;
            }
            .category-hero h1 {
                font-size: 26px;
            }
            .market-overview .overview-content p {
                font-size: 15px;
            }
            .stat-list {
                grid-template-columns: repeat(3, 1fr);
            }
        }

/* roulang page: article */
:root{
  --primary:#0F766E;
  --primary-dark:#115E59;
  --accent:#D97706;
  --accent-light:#FBBF24;
  --ink:#1C1917;
  --ink-soft:#57534E;
  --ink-mute:#A8A29E;
  --line:#E7E5E4;
  --paper:#F8F6F3;
  --card:#FFFFFF;
  --radius-lg:16px;
  --radius-md:8px;
  --shadow-warm:0 4px 20px rgba(15,118,110,0.08);
  --shadow-hover:0 8px 30px rgba(15,118,110,0.12);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'Noto Sans SC',system-ui,-apple-system,sans-serif;
  background:var(--paper);
  color:var(--ink);
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
button,input{font-family:inherit}

h1,h2,h3,h4{font-family:'Noto Serif SC',serif;letter-spacing:0.02em}

/* ===== 左侧导航 ===== */
.sidebar{
  width:264px;
  min-height:100vh;
  background:var(--card);
  border-right:1px solid var(--line);
  position:fixed;
  left:0;top:0;bottom:0;
  z-index:50;
  display:flex;
  flex-direction:column;
  padding:24px 16px;
}
.sidebar-logo{padding:8px 12px 28px}
.logo{display:flex;align-items:center;gap:10px}
.logo-mark{
  width:42px;height:42px;
  background:linear-gradient(135deg,var(--primary),var(--primary-dark));
  color:#fff;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  font-family:'Noto Serif SC',serif;
  font-weight:900;font-size:16px;
  letter-spacing:0.08em;
  box-shadow:var(--shadow-warm);
  flex-shrink:0;
}
.logo-text{
  font-family:'Noto Serif SC',serif;
  font-weight:700;font-size:18px;
  color:var(--ink);letter-spacing:0.05em;
  white-space:nowrap;
}
.sidebar-nav{display:flex;flex-direction:column;gap:6px;flex:1}
.sidebar-nav a{
  display:flex;align-items:center;gap:12px;
  padding:12px 14px;
  border-radius:var(--radius-md);
  color:var(--ink-soft);
  font-size:15px;font-weight:500;
  transition:all .2s ease;
  position:relative;
  white-space:nowrap;
}
.sidebar-nav a i{
  width:20px;text-align:center;font-size:16px;
  color:var(--ink-mute);transition:color .2s;
  flex-shrink:0;
}
.sidebar-nav a:hover{
  background:rgba(15,118,110,0.06);
  color:var(--primary);
}
.sidebar-nav a:hover i{color:var(--primary)}
.sidebar-nav a.active{
  background:rgba(15,118,110,0.08);
  color:var(--primary);
  font-weight:600;
}
.sidebar-nav a.active::before{
  content:'';
  position:absolute;left:-16px;top:50%;
  transform:translateY(-50%);
  width:4px;height:24px;border-radius:4px;
  background:var(--primary);
}
.sidebar-nav a.active i{color:var(--primary)}
.sidebar-foot{
  padding:16px 12px 0;
  border-top:1px solid var(--line);
}
.sidebar-foot p{font-size:13px;color:var(--ink-mute);line-height:1.6}
.sidebar-foot .phone{font-weight:700;color:var(--primary);font-size:16px}

/* ===== 主内容区 ===== */
.main-wrap{
  margin-left:264px;
  min-height:100vh;
  display:flex;
  flex-direction:column;
}

/* ===== 移动端顶栏 ===== */
.mobile-header{display:none}

/* ===== 移动端抽屉 ===== */
.mobile-overlay{
  display:none;
}

/* ===== 页面主容器 ===== */
.container-main{
  max-width:1280px;
  margin:0 auto;
  padding:32px 48px;
  width:100%;
}

/* ===== 面包屑 ===== */
.breadcrumb{
  display:flex;align-items:center;gap:8px;
  font-size:14px;color:var(--ink-mute);
  margin-bottom:24px;flex-wrap:wrap;
}
.breadcrumb a{color:var(--primary);transition:color .2s}
.breadcrumb a:hover{text-decoration:underline}
.breadcrumb .sep{color:#D6D3D1;font-size:12px}
.breadcrumb .current{
  color:var(--ink-soft);
  max-width:280px;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}

/* ===== 文章卡片 ===== */
.article-card{
  background:var(--card);
  border-radius:var(--radius-lg);
  border:1px solid var(--line);
  box-shadow:var(--shadow-warm);
  padding:40px 48px;
  margin-bottom:48px;
}
.article-head{max-width:800px;margin:0 auto 24px}
.category-badge{
  display:inline-block;
  background:rgba(217,119,6,0.12);
  color:var(--accent);
  font-size:13px;font-weight:600;
  padding:4px 14px;
  border-radius:999px;
  margin-bottom:16px;
}
.article-head h1{
  font-size:36px;
  line-height:1.3;
  font-weight:700;
  color:var(--ink);
  margin-bottom:16px;
  letter-spacing:0.02em;
}
.meta-line{
  display:flex;gap:20px;flex-wrap:wrap;
  font-size:14px;color:var(--ink-mute);
}
.meta-line span{display:flex;align-items:center;gap:6px}
.meta-line i{color:var(--primary);font-size:14px}

/* ===== 封面图 ===== */
.article-cover{
  border-radius:var(--radius-lg);
  overflow:hidden;
  margin:0 auto 32px;
  max-width:800px;
  box-shadow:var(--shadow-warm);
}
.article-cover img{
  width:100%;height:auto;
  object-fit:cover;
  aspect-ratio:16/7;
}

/* ===== 正文区 ===== */
.article-content{
  max-width:800px;
  margin:0 auto;
  font-size:16px;
  line-height:2;
  color:#292524;
}
.article-content h2{
  font-size:24px;
  font-weight:700;
  color:var(--ink);
  margin:36px 0 16px;
  padding-bottom:10px;
  border-bottom:2px solid rgba(15,118,110,0.15);
}
.article-content h3{
  font-size:20px;
  font-weight:600;
  color:var(--ink);
  margin:28px 0 12px;
}
.article-content p{margin-bottom:1.5em}
.article-content a{color:var(--primary);text-decoration:underline;text-underline-offset:3px}
.article-content a:hover{color:var(--primary-dark)}
.article-content blockquote{
  border-left:4px solid var(--primary);
  background:rgba(15,118,110,0.04);
  padding:16px 20px;
  margin:24px 0;
  border-radius:0 var(--radius-md) var(--radius-md) 0;
  color:var(--ink-soft);
  font-style:normal;
}
.article-content img{border-radius:var(--radius-md);margin:20px 0}
.article-content ul,.article-content ol{margin:16px 0 24px;padding-left:24px}
.article-content li{margin-bottom:8px}
.article-content table{width:100%;border-collapse:collapse;margin:24px 0;font-size:14px}
.article-content th,.article-content td{
  border:1px solid var(--line);
  padding:10px 14px;text-align:left;
}
.article-content th{background:rgba(15,118,110,0.06);font-weight:600}

/* ===== 空态 ===== */
.empty-notice{
  text-align:center;
  padding:60px 24px;
  background:var(--paper);
  border-radius:var(--radius-lg);
  border:1px dashed var(--line);
}
.empty-notice i{font-size:48px;color:var(--ink-mute);margin-bottom:16px;display:block}
.empty-notice p{font-size:18px;color:var(--ink-soft);margin-bottom:4px}
.empty-notice .sub{font-size:14px;color:var(--ink-mute);margin-bottom:20px}
.btn-primary{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--primary);color:#fff;
  padding:12px 24px;border-radius:var(--radius-md);
  font-size:15px;font-weight:600;
  transition:all .2s;
  border:none;cursor:pointer;
}
.btn-primary:hover{
  background:var(--primary-dark);
  transform:translateY(-2px);
  box-shadow:var(--shadow-hover);
}
.btn-primary:active{transform:translateY(0)}
.btn-primary:focus-visible{
  outline:3px solid rgba(15,118,110,0.25);
  outline-offset:2px;
}

/* ===== 标签组 ===== */
.tag-list{
  max-width:800px;
  margin:36px auto 0;
  display:flex;gap:12px;flex-wrap:wrap;
  padding-top:24px;
  border-top:1px solid var(--line);
}
.tag{
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:999px;
  padding:6px 18px;
  font-size:13px;
  color:var(--ink-soft);
  transition:all .2s;
}
.tag:hover{
  border-color:var(--primary);
  color:var(--primary);
  background:rgba(15,118,110,0.06);
}

/* ===== 上一篇 / 下一篇 ===== */
.post-nav{
  max-width:800px;
  margin:32px auto 0;
  display:flex;gap:16px;
}
.post-nav-item{
  flex:1;
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  padding:16px 20px;
  transition:all .25s;
}
.post-nav-item:hover{
  background:var(--card);
  border-color:var(--primary);
  box-shadow:var(--shadow-warm);
  transform:translateY(-2px);
}
.post-nav-item.right{text-align:right}
.nav-label{
  display:block;
  font-size:13px;
  color:var(--ink-mute);
  margin-bottom:4px;
}
.nav-title{
  font-size:15px;
  font-weight:600;
  color:var(--ink);
  transition:color .2s;
}
.post-nav-item:hover .nav-title{color:var(--primary)}

/* ===== 相关推荐 ===== */
.related-section{margin:48px 0 64px}
.section-head{
  display:flex;align-items:center;justify-content:space-between;
  margin-bottom:28px;
}
.section-head h2{
  font-size:28px;
  font-weight:700;
  color:var(--ink);
  position:relative;
  padding-left:16px;
}
.section-head h2::before{
  content:'';
  position:absolute;left:0;top:8px;bottom:8px;
  width:4px;border-radius:4px;
  background:var(--accent);
}
.more-link{
  color:var(--primary);
  font-size:14px;font-weight:500;
  display:inline-flex;align-items:center;gap:6px;
  transition:gap .2s;
}
.more-link:hover{gap:10px}
.related-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.rel-card{
  background:var(--card);
  border-radius:var(--radius-lg);
  border:1px solid var(--line);
  overflow:hidden;
  transition:all .25s;
  display:block;
}
.rel-card:hover{
  box-shadow:var(--shadow-hover);
  transform:translateY(-4px);
  border-color:rgba(15,118,110,0.3);
}
.rel-card img{
  width:100%;
  aspect-ratio:16/9;
  object-fit:cover;
  transition:transform .3s ease;
}
.rel-card:hover img{transform:scale(1.03)}
.rel-body{padding:16px 20px 20px}
.rel-body h3{
  font-size:16px;
  font-weight:600;
  color:var(--ink);
  line-height:1.5;
  margin-bottom:8px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  transition:color .2s;
}
.rel-card:hover .rel-body h3{color:var(--primary)}
.rel-body .date{font-size:13px;color:var(--ink-mute)}

/* ===== 页脚 ===== */
.site-footer{
  background:#134E4A;
  color:#fff;
  margin-top:auto;
  padding:56px 0 24px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:40px;
  margin-bottom:40px;
}
.footer-brand{
  font-family:'Noto Serif SC',serif;
  font-size:22px;
  font-weight:700;
  margin-bottom:12px;
  letter-spacing:0.04em;
}
.site-footer h4{
  font-family:'Noto Serif SC',serif;
  font-size:16px;
  font-weight:600;
  margin-bottom:16px;
}
.site-footer .link{
  display:block;
  color:rgba(255,255,255,0.7);
  font-size:14px;
  padding:4px 0;
  transition:color .2s;
}
.site-footer .link:hover{color:#fff}
.contact-line{
  display:flex;align-items:flex-start;gap:8px;
  color:rgba(255,255,255,0.7);
  font-size:14px;
  margin-bottom:10px;
}
.contact-line i{color:var(--accent-light);margin-top:4px;width:18px}
.newsletter{display:flex;gap:8px}
.newsletter input{
  flex:1;
  padding:10px 14px;
  border-radius:var(--radius-md);
  border:1px solid rgba(255,255,255,0.2);
  background:rgba(255,255,255,0.1);
  color:#fff;font-size:14px;
  outline:none;
  transition:border-color .2s;
}
.newsletter input::placeholder{color:rgba(255,255,255,0.5)}
.newsletter input:focus{border-color:var(--accent-light)}
.newsletter button{
  padding:10px 20px;
  border-radius:var(--radius-md);
  background:var(--accent);
  color:#fff;font-size:14px;font-weight:600;
  border:none;cursor:pointer;
  transition:background .2s;
}
.newsletter button:hover{background:#B45309}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,0.15);
  padding-top:24px;
  text-align:center;
  font-size:13px;
  color:rgba(255,255,255,0.6);
}

/* ===== 响应式 ===== */
@media (max-width:1199px) and (min-width:768px){
  .sidebar{width:80px;overflow:hidden;transition:width .3s ease}
  .sidebar:hover{width:220px;box-shadow:var(--shadow-hover)}
  .sidebar-logo{padding:8px 4px 20px;display:flex;justify-content:center}
  .logo-text{display:none}
  .sidebar:hover .logo-text{display:inline}
  .sidebar-nav a{font-size:0;gap:0;justify-content:center;padding:14px 0}
  .sidebar:hover .sidebar-nav a{font-size:15px;gap:12px;justify-content:flex-start;padding:12px 14px}
  .sidebar-nav a i{font-size:20px;margin:0}
  .sidebar:hover .sidebar-nav a i{font-size:16px}
  .sidebar-nav a.active::before{left:-8px}
  .sidebar:hover .sidebar-nav a.active::before{left:-16px}
  .sidebar-foot{display:none}
  .main-wrap{margin-left:80px}
  .container-main{padding:24px 32px}
}

@media (max-width:767px){
  .sidebar{display:none}
  .main-wrap{margin-left:0}
  .mobile-header{
    display:flex;
    align-items:center;
    justify-content:space-between;
    height:64px;
    padding:0 20px;
    background:var(--card);
    border-bottom:1px solid var(--line);
    position:sticky;
    top:0;z-index:40;
  }
  .mobile-logo{
    font-family:'Noto Serif SC',serif;
    font-weight:700;
    font-size:18px;
    color:var(--ink);
    display:flex;align-items:center;gap:8px;
  }
  .mobile-logo .logo-mark{width:34px;height:34px;font-size:13px;border-radius:9px}
  .mobile-header button{
    background:none;border:none;
    font-size:22px;
    color:var(--ink);
    padding:6px 8px;
    cursor:pointer;
    transition:color .2s;
  }
  .mobile-header button:hover{color:var(--primary)}
  .mobile-header button:focus-visible{
    outline:2px solid var(--primary);
    border-radius:6px;
  }

  .mobile-overlay{
    display:block;
    position:fixed;inset:0;
    background:rgba(0,0,0,0.5);
    z-index:90;
    opacity:0;visibility:hidden;
    transition:all .3s ease;
  }
  .mobile-overlay.show{opacity:1;visibility:visible}

  .mobile-drawer{
    display:flex;
    flex-direction:column;
    position:fixed;top:0;left:-300px;
    width:280px;height:100vh;
    background:var(--card);
    z-index:100;
    padding:24px 20px;
    transition:left .3s ease;
    box-sizing:border-box;
  }
  .mobile-drawer.open{
    left:0;
    box-shadow:0 0 60px rgba(0,0,0,0.2);
  }
  .drawer-head{
    display:flex;
    justify-content:space-between;
    align-items:center;
    padding-bottom:20px;
    border-bottom:1px solid var(--line);
    margin-bottom:20px;
  }
  .drawer-close{
    background:none;border:none;
    font-size:20px;color:var(--ink-soft);
    padding:4px 8px;cursor:pointer;
    transition:color .2s;
    border-radius:6px;
  }
  .drawer-close:hover{color:var(--primary)}
  .drawer-nav{display:flex;flex-direction:column;gap:4px;flex:1}
  .drawer-nav a{
    display:flex;align-items:center;gap:14px;
    padding:13px 14px;
    border-radius:var(--radius-md);
    color:var(--ink-soft);
    font-size:15px;font-weight:500;
    transition:all .2s;
  }
  .drawer-nav a i{width:20px;text-align:center;color:var(--ink-mute)}
  .drawer-nav a:hover{
    background:rgba(15,118,110,0.06);
    color:var(--primary);
  }
  .drawer-nav a:hover i{color:var(--primary)}
  .drawer-nav a.active{
    background:rgba(15,118,110,0.08);
    color:var(--primary);
    font-weight:600;
  }
  .drawer-nav a.active i{color:var(--primary)}
  .drawer-foot{
    padding-top:20px;
    border-top:1px solid var(--line);
    font-size:14px;
    color:var(--ink-mute);
    line-height:1.8;
  }
  .drawer-foot .phone{font-weight:700;color:var(--primary);font-size:16px}

  .container-main{padding:20px 16px}
  .article-card{padding:24px 20px;border-radius:var(--radius-md);margin-bottom:32px}
  .article-head h1{font-size:26px;line-height:1.4}
  .meta-line{gap:12px;flex-wrap:wrap}
  .article-cover{margin-bottom:24px}
  .article-cover img{aspect-ratio:16/8}
  .article-content{font-size:15px;line-height:1.9}
  .article-content h2{font-size:20px}
  .article-content h3{font-size:18px}
  .post-nav{flex-direction:column;gap:12px}
  .related-section{margin-top:32px}
  .section-head h2{font-size:22px}
  .related-grid{grid-template-columns:1fr;gap:16px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .site-footer{padding-top:40px}
  .breadcrumb{
    font-size:13px;
    margin-bottom:16px;
    gap:6px;
  }
  .breadcrumb .current{max-width:180px}
}

/* roulang page: category2 */
:root {
            --primary: #0F766E;
            --primary-dark: #115E59;
            --primary-deep: #134E4A;
            --accent: #D97706;
            --accent-dark: #B45309;
            --accent-light: #FBBF24;
            --bg: #F8F6F3;
            --card-bg: #FFFFFF;
            --text-main: #1C1917;
            --text-sub: #57534E;
            --text-muted: #A8A29E;
            --border: #E7E5E4;
            --radius-lg: 16px;
            --radius-md: 10px;
            --radius-sm: 6px;
            --shadow-card: 0 4px 20px rgba(15, 118, 110, 0.08);
            --shadow-hover: 0 10px 32px rgba(15, 118, 110, 0.14);
            --sidebar-width: 264px;
            --sidebar-width-tablet: 80px;
            --content-max: 1280px;
        }

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

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

        body {
            font-family: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', system-ui, sans-serif;
            background: var(--bg);
            color: var(--text-main);
            line-height: 1.7;
            min-height: 100vh;
            display: flex;
        }

        h1,
        h2,
        h3,
        h4 {
            font-family: 'Noto Serif SC', 'Songti SC', 'SimSun', serif;
            letter-spacing: 0.02em;
            line-height: 1.35;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.2s ease;
        }

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

        button,
        input {
            font-family: inherit;
        }

        .container-main {
            max-width: var(--content-max);
            margin: 0 auto;
            padding-left: 40px;
            padding-right: 40px;
        }

        /* ======= Sidebar ======= */
        .sidebar {
            width: var(--sidebar-width);
            position: fixed;
            top: 0;
            bottom: 0;
            left: 0;
            background: #FFFFFF;
            border-right: 1px solid var(--border);
            z-index: 50;
            display: flex;
            flex-direction: column;
            padding: 30px 20px;
            transition: width 0.25s ease;
        }

        .sidebar-brand {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 0 10px;
            margin-bottom: 36px;
        }

        .sidebar-logo-mark {
            width: 42px;
            height: 42px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-deep) 100%);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            flex-shrink: 0;
            box-shadow: 0 6px 16px rgba(15, 118, 110, 0.25);
        }

        .sidebar-brand-text {
            font-family: 'Noto Serif SC', serif;
            font-size: 20px;
            font-weight: 700;
            color: var(--text-main);
            white-space: nowrap;
        }

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

        .sidebar-nav a {
            display: flex;
            align-items: center;
            gap: 12px;
            height: 46px;
            padding: 0 14px;
            border-radius: 10px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-sub);
            border-left: 3px solid transparent;
            transition: all 0.2s ease;
            white-space: nowrap;
        }

        .sidebar-nav a i {
            width: 20px;
            text-align: center;
            font-size: 16px;
            flex-shrink: 0;
        }

        .sidebar-nav a:hover {
            color: var(--primary);
            background: rgba(15, 118, 110, 0.06);
        }

        .sidebar-nav a.active {
            color: var(--primary);
            background: rgba(15, 118, 110, 0.09);
            border-left-color: var(--primary);
            font-weight: 600;
        }

        .sidebar-footer {
            border-top: 1px solid var(--border);
            padding-top: 20px;
            margin-top: 20px;
        }

        .sidebar-contact {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 12px;
            background: var(--bg);
            border-radius: 12px;
        }

        .sidebar-contact-icon {
            width: 36px;
            height: 36px;
            background: var(--primary);
            border-radius: 50%;
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            flex-shrink: 0;
        }

        .sidebar-contact-label {
            font-size: 12px;
            color: var(--text-muted);
            line-height: 1.3;
        }

        .sidebar-contact-value {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-main);
            white-space: nowrap;
        }

        /* ======= Page shell ======= */
        .page-shell {
            flex: 1;
            margin-left: var(--sidebar-width);
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }

        .main-content {
            flex: 1;
        }

        /* ======= Mobile Header ======= */
        .mobile-header {
            display: none;
            height: 64px;
            align-items: center;
            justify-content: space-between;
            padding: 0 20px;
            background: #FFFFFF;
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 60;
        }

        .mobile-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: 'Noto Serif SC', serif;
            font-weight: 700;
            font-size: 18px;
            color: var(--text-main);
        }

        .mobile-logo i {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--primary), var(--primary-deep));
            color: #fff;
            border-radius: 10px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
        }

        .mobile-menu-btn {
            width: 42px;
            height: 42px;
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: 10px;
            color: var(--text-main);
            font-size: 18px;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.2s ease;
        }

        .mobile-menu-btn:hover {
            background: rgba(15, 118, 110, 0.06);
            border-color: var(--primary);
            color: var(--primary);
        }

        .mobile-overlay {
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.5);
            z-index: 90;
            opacity: 0;
            pointer-events: none;
            transition: opacity 0.3s ease;
        }

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

        .mobile-drawer {
            position: fixed;
            top: 0;
            bottom: 0;
            left: 0;
            width: 280px;
            background: #FFFFFF;
            z-index: 100;
            transform: translateX(-100%);
            transition: transform 0.3s ease;
            display: flex;
            flex-direction: column;
            padding: 28px 20px;
        }

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

        .mobile-drawer .drawer-brand {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 32px;
            padding: 0 6px;
        }

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

        .mobile-drawer .drawer-nav a {
            display: flex;
            align-items: center;
            gap: 12px;
            height: 46px;
            padding: 0 14px;
            border-radius: 10px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-sub);
            border-left: 3px solid transparent;
            transition: all 0.2s ease;
        }

        .mobile-drawer .drawer-nav a i {
            width: 20px;
            text-align: center;
        }

        .mobile-drawer .drawer-nav a.active {
            color: var(--primary);
            background: rgba(15, 118, 110, 0.09);
            border-left-color: var(--primary);
            font-weight: 600;
        }

        .mobile-drawer .drawer-foot {
            border-top: 1px solid var(--border);
            padding-top: 20px;
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.8;
        }

        /* ======= Category Hero ======= */
        .cat-hero {
            position: relative;
            padding: 88px 0 72px;
            background-color: var(--primary-deep);
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            color: #fff;
            overflow: hidden;
        }

        .cat-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(100deg, rgba(15, 118, 110, 0.94) 0%, rgba(15, 118, 110, 0.78) 60%, rgba(15, 118, 110, 0.45) 100%);
            z-index: 1;
        }

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

        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.16);
            border: 1px solid rgba(255, 255, 255, 0.24);
            border-radius: 999px;
            padding: 6px 16px;
            font-size: 13px;
            font-weight: 500;
            margin-bottom: 20px;
            backdrop-filter: blur(6px);
        }

        .live-dot {
            width: 8px;
            height: 8px;
            background: #EF4444;
            border-radius: 50%;
            display: inline-block;
            animation: pulse 1.5s infinite;
        }

        @keyframes pulse {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.6);
            }
            50% {
                box-shadow: 0 0 0 6px rgba(239, 68, 68, 0);
            }
        }

        .cat-hero h1 {
            font-size: 46px;
            font-weight: 900;
            color: #fff;
            margin-bottom: 12px;
            line-height: 1.25;
        }

        .hero-lead {
            font-size: 20px;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.92);
            margin-bottom: 14px;
        }

        .hero-desc {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.78);
            max-width: 620px;
            margin-bottom: 28px;
            line-height: 1.75;
        }

        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 34px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border-radius: 10px;
            font-size: 15px;
            font-weight: 600;
            padding: 13px 26px;
            cursor: pointer;
            border: 2px solid transparent;
            transition: all 0.25s ease;
            line-height: 1.4;
        }

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

        .btn-accent:hover {
            background: var(--accent-dark);
            border-color: var(--accent-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(217, 119, 6, 0.3);
        }

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

        .btn-ghost {
            background: transparent;
            color: #fff;
            border-color: rgba(255, 255, 255, 0.5);
        }

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

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

        .btn-primary:hover {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(15, 118, 110, 0.28);
        }

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

        .hero-stats {
            display: flex;
            gap: 36px;
            flex-wrap: wrap;
            border-top: 1px solid rgba(255, 255, 255, 0.22);
            padding-top: 22px;
        }

        .hero-stat {
            text-align: left;
        }

        .hero-stat-num {
            font-size: 28px;
            font-weight: 700;
            color: var(--accent-light);
            font-family: 'Noto Serif SC', serif;
            line-height: 1.2;
        }

        .hero-stat-label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 4px;
            letter-spacing: 0.04em;
        }

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

        .section-alt {
            background: #FFFFFF;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .section-head {
            max-width: 720px;
            margin-bottom: 48px;
        }

        .section-eyebrow {
            display: inline-block;
            background: rgba(15, 118, 110, 0.08);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            border-radius: 999px;
            padding: 5px 14px;
            margin-bottom: 14px;
            letter-spacing: 0.05em;
        }

        .section-head h2 {
            font-size: 32px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 12px;
        }

        .section-head p {
            font-size: 16px;
            color: var(--text-sub);
            line-height: 1.75;
        }

        /* ======= Feature grid ======= */
        .feature-grid {
            display: grid;
            grid-template-columns: 5fr 7fr;
            gap: 24px;
        }

        .feature-card-main {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 32px;
            box-shadow: var(--shadow-card);
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .feature-card-main::after {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 120px;
            height: 120px;
            background: radial-gradient(circle, rgba(15, 118, 110, 0.07) 0%, transparent 70%);
        }

        .feature-card-main:hover {
            box-shadow: var(--shadow-hover);
            border-color: rgba(15, 118, 110, 0.3);
            transform: translateY(-2px);
        }

        .feature-icon-lg {
            width: 52px;
            height: 52px;
            background: linear-gradient(135deg, var(--primary), var(--primary-deep));
            color: #fff;
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            margin-bottom: 20px;
            box-shadow: 0 6px 16px rgba(15, 118, 110, 0.22);
        }

        .feature-card-main h3 {
            font-size: 22px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 10px;
        }

        .feature-card-main p {
            font-size: 15px;
            color: var(--text-sub);
            line-height: 1.75;
        }

        .feature-card-sm {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow-card);
            transition: all 0.3s ease;
            display: flex;
            gap: 16px;
            align-items: flex-start;
        }

        .feature-card-sm:hover {
            box-shadow: var(--shadow-hover);
            border-color: var(--accent);
            transform: translateY(-2px);
        }

        .feature-icon-sm {
            width: 40px;
            height: 40px;
            background: rgba(217, 119, 6, 0.1);
            color: var(--accent);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            flex-shrink: 0;
        }

        .feature-card-sm h4 {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 6px;
        }

        .feature-card-sm p {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.65;
        }

        /* ======= Service cards ======= */
        .service-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .service-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow-card);
            transition: all 0.3s ease;
            position: relative;
        }

        .service-card:hover {
            box-shadow: var(--shadow-hover);
            border-color: rgba(15, 118, 110, 0.3);
            transform: translateY(-4px);
        }

        .service-icon {
            width: 46px;
            height: 46px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            margin-bottom: 18px;
        }

        .service-icon-teal {
            background: rgba(15, 118, 110, 0.1);
            color: var(--primary);
        }

        .service-icon-amber {
            background: rgba(217, 119, 6, 0.1);
            color: var(--accent);
        }

        .service-card h3 {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 8px;
        }

        .service-card p {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.7;
            margin-bottom: 14px;
        }

        .service-meta {
            font-size: 13px;
            color: var(--text-muted);
            border-top: 1px solid var(--border);
            padding-top: 12px;
            margin-top: auto;
        }

        /* ======= Steps ======= */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
            position: relative;
        }

        .steps-grid::before {
            content: '';
            position: absolute;
            top: 32px;
            left: 10%;
            right: 10%;
            height: 2px;
            background: linear-gradient(90deg, var(--primary) 0%, rgba(15, 118, 110, 0.2) 100%);
            z-index: 1;
        }

        .step-item {
            position: relative;
            z-index: 2;
            text-align: center;
            padding: 0 8px;
        }

        .step-num {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--primary-deep));
            color: #fff;
            font-size: 22px;
            font-weight: 700;
            font-family: 'Noto Serif SC', serif;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 18px;
            box-shadow: 0 8px 20px rgba(15, 118, 110, 0.22);
            border: 4px solid var(--bg);
        }

        .step-item h3 {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 8px;
        }

        .step-item p {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.65;
        }

        /* ======= Scene cards ======= */
        .scene-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .scene-card {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            min-height: 280px;
            box-shadow: var(--shadow-card);
            transition: all 0.3s ease;
            display: block;
        }

        .scene-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }

        .scene-card img {
            position: absolute;
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

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

        .scene-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(15, 118, 110, 0.88) 0%, rgba(15, 118, 110, 0.35) 50%, rgba(0, 0, 0, 0.1) 100%);
        }

        .scene-content {
            position: absolute;
            left: 0;
            right: 0;
            bottom: 0;
            padding: 28px;
            color: #fff;
        }

        .scene-content h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .scene-content p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.7;
        }

        /* ======= Stats ======= */
        .stats-band {
            background: var(--primary-deep);
            color: #fff;
            padding: 58px 0;
            position: relative;
            overflow: hidden;
        }

        .stats-band::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
            background-size: 40px 40px;
        }

        .stats-band .container-main {
            position: relative;
            z-index: 2;
        }

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

        .stat-num {
            font-size: 40px;
            font-weight: 700;
            font-family: 'Noto Serif SC', serif;
            color: var(--accent-light);
            line-height: 1.2;
        }

        .stat-label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 6px;
        }

        /* ======= FAQ ======= */
        .faq-wrap {
            max-width: 860px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: 14px;
            margin-bottom: 12px;
            overflow: hidden;
            transition: border-color 0.25s ease;
        }

        .faq-item:hover {
            border-color: rgba(15, 118, 110, 0.3);
        }

        .faq-item.open {
            border-color: var(--primary);
            box-shadow: 0 4px 16px rgba(15, 118, 110, 0.08);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 24px;
            cursor: pointer;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-main);
            gap: 16px;
            user-select: none;
            transition: color 0.2s ease;
        }

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

        .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(15, 118, 110, 0.08);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            flex-shrink: 0;
            transition: transform 0.3s ease;
        }

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

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

        .faq-answer-inner {
            padding: 0 24px 20px;
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.75;
        }

        /* ======= CTA ======= */
        .cta-box {
            background: linear-gradient(110deg, var(--primary) 0%, var(--primary-deep) 100%);
            border-radius: 20px;
            padding: 48px 56px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 30px;
            flex-wrap: wrap;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .cta-box::before {
            content: '';
            position: absolute;
            right: -60px;
            top: -60px;
            width: 220px;
            height: 220px;
            background: rgba(255, 255, 255, 0.05);
            border-radius: 50%;
        }

        .cta-box::after {
            content: '';
            position: absolute;
            right: 40px;
            bottom: -80px;
            width: 160px;
            height: 160px;
            background: rgba(255, 255, 255, 0.04);
            border-radius: 50%;
        }

        .cta-content {
            position: relative;
            z-index: 2;
        }

        .cta-content h2 {
            font-size: 28px;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .cta-content p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.8);
        }

        .cta-btns {
            position: relative;
            z-index: 2;
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .btn-white {
            background: #fff;
            color: var(--primary);
            border-color: #fff;
        }

        .btn-white:hover {
            background: rgba(255, 255, 255, 0.9);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
        }

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

        .btn-outline-white:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
        }

        /* ======= Footer ======= */
        .site-footer {
            background: #134E4A;
            color: rgba(255, 255, 255, 0.75);
            padding: 64px 0 28px;
            margin-top: auto;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 40px;
            margin-bottom: 44px;
        }

        .footer-brand {
            font-family: 'Noto Serif SC', serif;
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
        }

        .site-footer h4 {
            font-family: 'Noto Sans SC', sans-serif;
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
        }

        .site-footer .link {
            display: block;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 10px;
            line-height: 1.6;
            transition: color 0.2s ease;
        }

        .site-footer .link:hover {
            color: var(--accent-light);
        }

        .contact-line {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 12px;
            line-height: 1.6;
        }

        .contact-line i {
            margin-top: 4px;
            color: var(--accent-light);
        }

        .newsletter {
            display: flex;
            gap: 8px;
            margin-top: 10px;
        }

        .newsletter input {
            flex: 1;
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 8px;
            padding: 10px 14px;
            font-size: 14px;
            color: #fff;
            outline: none;
            transition: border-color 0.2s ease;
        }

        .newsletter input::placeholder {
            color: rgba(255, 255, 255, 0.45);
        }

        .newsletter input:focus {
            border-color: var(--accent-light);
        }

        .newsletter button {
            background: var(--accent);
            color: #fff;
            border: none;
            border-radius: 8px;
            padding: 10px 18px;
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s ease;
            white-space: nowrap;
        }

        .newsletter button:hover {
            background: var(--accent-dark);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 24px;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.45);
        }

        /* ======= Responsive ======= */
        @media (max-width: 1199px) {
            .sidebar {
                width: var(--sidebar-width-tablet);
                padding: 24px 12px;
            }

            .sidebar-brand {
                justify-content: center;
                padding: 0;
            }

            .sidebar-brand-text,
            .sidebar-nav span,
            .sidebar-contact-value,
            .sidebar-contact-label {
                display: none;
            }

            .sidebar-nav a {
                justify-content: center;
                padding: 0;
                gap: 0;
            }

            .sidebar-nav a i {
                font-size: 18px;
            }

            .sidebar-nav a.active {
                border-left: none;
                background: rgba(15, 118, 110, 0.12);
            }

            .sidebar-footer {
                display: none;
            }

            .page-shell {
                margin-left: var(--sidebar-width-tablet);
            }
        }

        @media (max-width: 991px) {
            .feature-grid {
                grid-template-columns: 1fr;
            }

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

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

        @media (max-width: 767px) {
            body {
                flex-direction: column;
            }

            .sidebar {
                display: none;
            }

            .mobile-header {
                display: flex;
            }

            .page-shell {
                margin-left: 0;
            }

            .container-main {
                padding-left: 20px;
                padding-right: 20px;
            }

            .section {
                padding: 56px 0;
            }

            .section-head h2 {
                font-size: 26px;
            }

            .cat-hero {
                padding: 64px 0 48px;
            }

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

            .hero-lead {
                font-size: 17px;
            }

            .hero-desc {
                font-size: 15px;
            }

            .hero-actions {
                flex-direction: column;
            }

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

            .hero-stats {
                gap: 20px;
            }

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

            .steps-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px 14px;
            }

            .steps-grid::before {
                display: none;
            }

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

            .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 28px 14px;
            }

            .cta-box {
                padding: 36px 24px;
                flex-direction: column;
                align-items: flex-start;
            }

            .cta-btns {
                width: 100%;
            }

            .cta-btns .btn {
                flex: 1;
            }

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

            .newsletter {
                flex-direction: column;
            }
        }

        @media (max-width: 520px) {
            .steps-grid {
                grid-template-columns: 1fr;
            }

            .cat-hero h1 {
                font-size: 28px;
            }

            .hero-stat-num {
                font-size: 22px;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #0F766E;
            --primary-deep: #115E59;
            --primary-dark: #134E4A;
            --accent: #D97706;
            --accent-light: #FBBF24;
            --bg: #F8F6F3;
            --card: #FFFFFF;
            --text: #1C1917;
            --text-secondary: #57534E;
            --text-muted: #A8A29E;
            --border: #E7E5E4;
            --radius-lg: 16px;
            --radius-md: 8px;
            --shadow: 0 4px 20px rgba(15, 118, 110, 0.08);
            --shadow-hover: 0 8px 30px rgba(15, 118, 110, 0.14);
            --font-serif: 'Noto Serif SC', serif;
            --font-sans: 'Noto Sans SC', sans-serif;
        }

        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-sans);
            background: var(--bg);
            color: var(--text);
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
        }
        button,
        input {
            font-family: inherit;
        }

        /* Layout Shell */
        .app-shell {
            display: flex;
            min-height: 100vh;
        }
        .app-sidebar {
            width: 264px;
            position: fixed;
            top: 0;
            bottom: 0;
            left: 0;
            background: #fff;
            border-right: 1px solid var(--border);
            display: flex;
            flex-direction: column;
            z-index: 60;
            transition: transform .3s ease;
        }
        .sidebar-brand {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 32px 28px 24px;
            border-bottom: 1px solid var(--border);
        }
        .brand-mark {
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-deep) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            flex-shrink: 0;
        }
        .brand-text {
            font-family: var(--font-serif);
            font-size: 20px;
            font-weight: 700;
            color: var(--text);
            letter-spacing: .02em;
            line-height: 1.2;
        }
        .sidebar-nav {
            padding: 20px 16px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .sidebar-nav a {
            display: flex;
            align-items: center;
            gap: 14px;
            height: 46px;
            padding: 0 16px;
            border-radius: var(--radius-md);
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all .2s ease;
            position: relative;
        }
        .sidebar-nav a i {
            width: 20px;
            text-align: center;
            font-size: 16px;
            color: var(--text-muted);
            transition: color .2s;
        }
        .sidebar-nav a:hover {
            background: rgba(15, 118, 110, 0.06);
            color: var(--primary);
        }
        .sidebar-nav a:hover i {
            color: var(--primary);
        }
        .sidebar-nav a.active {
            background: rgba(15, 118, 110, 0.08);
            color: var(--primary);
            font-weight: 600;
        }
        .sidebar-nav a.active::before {
            content: '';
            position: absolute;
            left: 0;
            top: 10px;
            bottom: 10px;
            width: 4px;
            border-radius: 0 4px 4px 0;
            background: var(--primary);
        }
        .sidebar-nav a.active i {
            color: var(--primary);
        }
        .sidebar-bottom {
            padding: 20px 28px;
            border-top: 1px solid var(--border);
            font-size: 13px;
            color: var(--text-muted);
            display: flex;
            gap: 14px;
        }
        .sidebar-bottom a {
            color: var(--text-muted);
            transition: color .2s;
        }
        .sidebar-bottom a:hover {
            color: var(--primary);
        }

        /* Main Wrapper */
        .main-wrapper {
            flex: 1;
            margin-left: 264px;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }
        .main-content {
            flex: 1;
            padding: 0 44px 72px;
        }
        .container-main {
            max-width: 1280px;
            margin: 0 auto;
        }

        /* Mobile Header */
        .mobile-header {
            display: none;
            position: sticky;
            top: 0;
            z-index: 70;
            height: 64px;
            background: #fff;
            border-bottom: 1px solid var(--border);
            align-items: center;
            justify-content: space-between;
            padding: 0 20px;
        }
        .mobile-brand {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .mobile-brand .brand-mark {
            width: 32px;
            height: 32px;
            font-size: 14px;
            border-radius: 8px;
        }
        .mobile-brand .brand-text {
            font-size: 17px;
        }
        .hamburger {
            width: 40px;
            height: 40px;
            border: none;
            background: none;
            font-size: 20px;
            color: var(--text);
            cursor: pointer;
            border-radius: 8px;
            transition: background .2s;
        }
        .hamburger:hover {
            background: rgba(15, 118, 110, 0.06);
        }
        .overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.5);
            z-index: 55;
            opacity: 0;
            transition: opacity .3s;
        }
        .overlay.show {
            opacity: 1;
        }

        /* Category Hero */
        .category-hero {
            position: relative;
            border-radius: 0 0 24px 24px;
            overflow: hidden;
            background: linear-gradient(120deg, #0d4d4a 0%, #115E59 50%, #0F766E 100%);
            padding: 72px 0 64px;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(circle at 80% 20%, rgba(15, 118, 110, 0.4) 0%, transparent 60%);
            pointer-events: none;
        }
        .category-hero .grid-hero {
            display: grid;
            grid-template-columns: 1.1fr .9fr;
            gap: 48px;
            align-items: center;
        }
        .category-hero .hero-kicker {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.12);
            border-radius: 999px;
            padding: 6px 16px;
            font-size: 13px;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.9);
            margin-bottom: 24px;
            border: 1px solid rgba(255, 255, 255, 0.15);
        }
        .category-hero h1 {
            font-family: var(--font-serif);
            font-size: 42px;
            font-weight: 700;
            color: #fff;
            line-height: 1.3;
            letter-spacing: .02em;
            margin-bottom: 18px;
        }
        .category-hero .lead {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.8);
            line-height: 2;
            margin-bottom: 32px;
            max-width: 520px;
        }
        .hero-btns {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        .btn-accent {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--accent);
            color: #fff;
            font-weight: 600;
            font-size: 15px;
            padding: 13px 28px;
            border-radius: var(--radius-md);
            border: none;
            cursor: pointer;
            transition: all .25s ease;
            box-shadow: 0 4px 16px rgba(217, 119, 6, 0.3);
        }
        .btn-accent:hover {
            background: #B45309;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(217, 119, 6, 0.35);
        }
        .btn-accent:active {
            transform: translateY(0);
        }
        .btn-accent:focus-visible {
            outline: 3px solid rgba(217, 119, 6, 0.4);
        }
        .btn-ghost-white {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: #fff;
            font-weight: 500;
            font-size: 15px;
            padding: 12px 24px;
            border-radius: var(--radius-md);
            border: 1.5px solid rgba(255, 255, 255, 0.4);
            cursor: pointer;
            transition: all .25s ease;
        }
        .btn-ghost-white:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: rgba(255, 255, 255, 0.7);
        }
        .hero-media {
            position: relative;
        }
        .hero-media img {
            border-radius: 20px;
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.25);
            rotate: 1deg;
            transition: rotate .4s ease;
        }
        .hero-media:hover img {
            rotate: 0deg;
        }
        .hero-badge {
            position: absolute;
            bottom: 16px;
            left: -18px;
            background: #fff;
            padding: 12px 20px;
            border-radius: 14px;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary-deep);
        }
        .hero-badge i {
            font-size: 20px;
            color: var(--accent);
        }

        /* Stat Band */
        .stat-band {
            margin-top: -28px;
            position: relative;
            z-index: 2;
        }
        .stat-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            background: #fff;
            border-radius: 20px;
            box-shadow: var(--shadow);
            padding: 28px 36px;
            gap: 20px;
            border: 1px solid rgba(231, 229, 228, 0.5);
        }
        .stat-item {
            text-align: center;
            padding: 8px 0;
            border-right: 1px solid var(--border);
        }
        .stat-item:last-child {
            border-right: none;
        }
        .stat-num {
            font-family: 'Noto Serif SC', serif;
            font-size: 30px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
            letter-spacing: .02em;
        }
        .stat-num span {
            font-size: 15px;
            color: var(--primary-deep);
        }
        .stat-label {
            font-size: 13px;
            color: var(--text-secondary);
            margin-top: 6px;
            letter-spacing: .04em;
        }

        /* Section styles */
        .section {
            padding: 64px 0 8px;
        }
        .section-header {
            display: flex;
            justify-content: space-between;
            align-items: flex-end;
            margin-bottom: 40px;
            gap: 24px;
            flex-wrap: wrap;
        }
        .section-header h2 {
            font-family: var(--font-serif);
            font-size: 30px;
            font-weight: 700;
            letter-spacing: .02em;
            line-height: 1.35;
            color: var(--text);
            position: relative;
        }
        .section-header h2::after {
            content: '';
            display: block;
            width: 44px;
            height: 3px;
            border-radius: 4px;
            background: var(--accent);
            margin-top: 10px;
        }
        .section-header .more-link {
            font-size: 14px;
            font-weight: 500;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: gap .2s;
            white-space: nowrap;
        }
        .section-header .more-link:hover {
            gap: 10px;
        }

        /* Guide cards */
        .guide-grid {
            display: grid;
            grid-template-columns: repeat(12, 1fr);
            gap: 24px;
        }
        .guide-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 28px;
            transition: transform .3s ease, box-shadow .3s ease, border-color .3s;
            display: flex;
            flex-direction: column;
            position: relative;
            overflow: hidden;
        }
        .guide-card:nth-child(1) {
            grid-column: span 5;
        }
        .guide-card:nth-child(2) {
            grid-column: span 4;
        }
        .guide-card:nth-child(3) {
            grid-column: span 3;
        }
        .guide-card:nth-child(4) {
            grid-column: span 4;
        }
        .guide-card:nth-child(5) {
            grid-column: span 4;
        }
        .guide-card:nth-child(6) {
            grid-column: span 4;
        }
        .guide-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            opacity: 0;
            transition: opacity .3s;
        }
        .guide-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(15, 118, 110, 0.3);
        }
        .guide-card:hover::before {
            opacity: 1;
        }
        .guide-card .card-tag {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 12px;
            font-weight: 600;
            color: var(--accent);
            background: rgba(217, 119, 6, 0.1);
            padding: 4px 12px;
            border-radius: 999px;
            align-self: flex-start;
            margin-bottom: 18px;
            letter-spacing: .03em;
        }
        .guide-card .card-icon {
            width: 46px;
            height: 46px;
            border-radius: 14px;
            background: rgba(15, 118, 110, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--primary);
            margin-bottom: 18px;
        }
        .guide-card h3 {
            font-family: var(--font-serif);
            font-size: 19px;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 10px;
            color: var(--text);
            transition: color .2s;
        }
        .guide-card:hover h3 {
            color: var(--primary);
        }
        .guide-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            flex: 1;
        }
        .guide-card .card-foot {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-top: 20px;
            padding-top: 16px;
            border-top: 1px dashed var(--border);
            font-size: 13px;
            color: var(--text-muted);
        }
        .guide-card .card-link {
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: gap .2s;
        }
        .guide-card .card-link:hover {
            gap: 8px;
        }

        /* Mixed section */
        .mixed-section {
            background: #fff;
            border-radius: 24px;
            padding: 56px;
            margin-top: 72px;
            border: 1px solid var(--border);
        }
        .mixed-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .mixed-media {
            position: relative;
        }
        .mixed-media img {
            border-radius: 18px;
        }
        .mixed-media .exp-badge {
            position: absolute;
            width: 76px;
            height: 76px;
            background: var(--accent);
            border-radius: 50%;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-family: var(--font-serif);
            font-weight: 700;
            font-size: 13px;
            line-height: 1.2;
            box-shadow: 0 8px 24px rgba(217, 119, 6, 0.35);
            bottom: -18px;
            right: -12px;
        }
        .mixed-media .exp-badge b {
            font-size: 24px;
        }
        .mixed-content h2 {
            font-family: var(--font-serif);
            font-size: 28px;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 20px;
        }
        .mixed-content p {
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.9;
            margin-bottom: 18px;
        }
        .mixed-list {
            list-style: none;
            padding: 0;
        }
        .mixed-list li {
            display: flex;
            gap: 12px;
            align-items: flex-start;
            margin-bottom: 14px;
            font-size: 15px;
            color: var(--text);
            font-weight: 500;
        }
        .mixed-list li i {
            color: var(--primary);
            margin-top: 4px;
            flex-shrink: 0;
        }

        /* Process section */
        .process-section {
            margin-top: 72px;
        }
        .process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .process-card {
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            padding: 28px 24px;
            text-align: center;
            position: relative;
            transition: all .3s ease;
        }
        .process-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .process-step {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-family: var(--font-serif);
            font-weight: 700;
            font-size: 15px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 16px;
        }
        .process-card:nth-child(2) .process-step {
            background: var(--accent);
        }
        .process-card:nth-child(3) .process-step {
            background: #D97706;
        }
        .process-card:nth-child(4) .process-step {
            background: var(--primary-deep);
        }
        .process-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: rgba(15, 118, 110, 0.08);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--primary);
            margin-bottom: 16px;
        }
        .process-card h3 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .process-card p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* Feature cards */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            margin-top: 40px;
        }
        .feature-card {
            background: #fff;
            border-radius: 14px;
            padding: 24px;
            border: 1px solid var(--border);
            display: flex;
            gap: 16px;
            transition: border-color .3s, box-shadow .3s;
        }
        .feature-card:hover {
            border-color: rgba(15, 118, 110, 0.3);
            box-shadow: var(--shadow);
        }
        .feature-icon {
            width: 42px;
            height: 42px;
            border-radius: 12px;
            background: rgba(217, 119, 6, 0.1);
            color: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            flex-shrink: 0;
        }
        .feature-card h4 {
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 4px;
        }
        .feature-card p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* FAQ */
        .faq-section {
            margin-top: 72px;
        }
        .faq-wrap {
            max-width: 820px;
            background: #fff;
            border-radius: 20px;
            border: 1px solid var(--border);
            padding: 24px 32px;
        }
        .faq-item {
            border-bottom: 1px solid var(--border);
            padding: 20px 0;
        }
        .faq-item:last-child {
            border-bottom: none;
            padding-bottom: 8px;
        }
        .faq-q {
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            transition: color .2s;
            user-select: none;
        }
        .faq-q:hover {
            color: var(--primary);
        }
        .faq-q i {
            color: var(--primary);
            transition: transform .25s ease;
            flex-shrink: 0;
            margin-left: 16px;
        }
        .faq-item.open .faq-q i {
            transform: rotate(45deg);
        }
        .faq-a {
            max-height: 0;
            overflow: hidden;
            transition: max-height .3s ease;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            padding-right: 32px;
        }
        .faq-item.open .faq-a {
            max-height: 200px;
            padding-top: 10px;
        }

        /* CTA */
        .cta-section {
            margin-top: 72px;
            position: relative;
            background: linear-gradient(120deg, var(--primary-dark) 0%, var(--primary-deep) 100%);
            border-radius: 24px;
            padding: 56px 48px;
            overflow: hidden;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 32px;
            flex-wrap: wrap;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url("data:image/svg+xml,%3Csvg width='40' height='40' viewBox='0 0 40 40' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M0 20h40M20 0v40' stroke='rgba(255,255,255,0.06)' stroke-width='1'/%3E%3C/svg%3E");
            pointer-events: none;
        }
        .cta-text h2 {
            font-family: var(--font-serif);
            color: #fff;
            font-size: 28px;
            font-weight: 700;
            margin-bottom: 8px;
            letter-spacing: .02em;
        }
        .cta-text p {
            color: rgba(255, 255, 255, 0.75);
            font-size: 15px;
        }
        .cta-btns {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            position: relative;
        }
        .btn-white {
            background: #fff;
            color: var(--primary-deep);
            font-weight: 600;
            padding: 13px 28px;
            border-radius: var(--radius-md);
            border: none;
            cursor: pointer;
            font-size: 15px;
            transition: all .2s;
        }
        .btn-white:hover {
            background: var(--accent);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(217, 119, 6, 0.3);
        }
        .btn-outline-white {
            background: transparent;
            color: #fff;
            border: 1.5px solid rgba(255, 255, 255, 0.5);
            padding: 12px 26px;
            border-radius: var(--radius-md);
            cursor: pointer;
            font-size: 15px;
            font-weight: 500;
            transition: all .2s;
        }
        .btn-outline-white:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: #fff;
        }

        /* Footer */
        .site-footer {
            background: var(--primary-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 48px 0 32px;
            margin-top: 72px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.2fr .8fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
        }
        .footer-brand {
            font-family: var(--font-serif);
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            letter-spacing: .03em;
            margin-bottom: 12px;
        }
        .site-footer h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 18px;
            letter-spacing: .02em;
        }
        .link {
            display: block;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 10px;
            transition: color .2s, padding-left .2s;
        }
        .link:hover {
            color: #fff;
            padding-left: 4px;
        }
        .contact-line {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 10px;
            line-height: 1.6;
        }
        .contact-line i {
            color: var(--accent-light);
            margin-top: 4px;
        }
        .newsletter {
            display: flex;
            gap: 8px;
        }
        .newsletter input {
            flex: 1;
            height: 40px;
            border-radius: 8px;
            border: 1px solid rgba(255, 255, 255, 0.2);
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            padding: 0 14px;
            font-size: 14px;
            min-width: 0;
        }
        .newsletter input::placeholder {
            color: rgba(255, 255, 255, 0.4);
        }
        .newsletter input:focus {
            outline: none;
            border-color: var(--accent);
            background: rgba(255, 255, 255, 0.15);
        }
        .newsletter button {
            height: 40px;
            background: var(--accent);
            color: #fff;
            font-weight: 600;
            font-size: 14px;
            padding: 0 18px;
            border: none;
            border-radius: 8px;
            cursor: pointer;
            transition: background .2s;
        }
        .newsletter button:hover {
            background: #B45309;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 24px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
            text-align: center;
        }

        /* Responsive */
        @media (max-width:1199px) {
            .app-sidebar {
                width: 80px;
                transform: none;
            }
            .sidebar-brand {
                justify-content: center;
                padding: 20px 10px;
                gap: 0;
            }
            .brand-text {
                display: none;
            }
            .brand-mark {
                width: 38px;
                height: 38px;
                border-radius: 10px;
                font-size: 16px;
            }
            .sidebar-nav {
                padding: 12px 10px;
            }
            .sidebar-nav a {
                justify-content: center;
                height: 48px;
                padding: 0;
                font-size: 0;
                gap: 0;
            }
            .sidebar-nav a i {
                font-size: 20px;
                width: auto;
            }
            .sidebar-nav a span {
                display: none;
            }
            .sidebar-nav a.active::before {
                width: 3px;
                left: -10px;
            }
            .sidebar-bottom {
                justify-content: center;
                padding: 16px 8px;
            }
            .sidebar-bottom a {
                font-size: 0;
            }
            .sidebar-bottom a i {
                font-size: 18px;
            }
            .main-wrapper {
                margin-left: 80px;
            }
        }

        @media (max-width:991px) {
            .stat-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 18px 12px;
                padding: 24px;
            }
            .stat-item {
                border-right: none;
                border-bottom: 1px solid var(--border);
                padding-bottom: 14px;
            }
            .stat-item:nth-child(3),
            .stat-item:nth-child(4) {
                border-bottom: none;
            }
            .guide-card:nth-child(n) {
                grid-column: span 6;
            }
            .guide-grid {
                gap: 16px;
            }
            .process-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .mixed-grid {
                grid-template-columns: 1fr;
                gap: 36px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .category-hero .grid-hero {
                grid-template-columns: 1fr;
            }
            .category-hero {
                padding: 56px 0 48px;
            }
        }

        @media (max-width:767px) {
            .mobile-header {
                display: flex;
            }
            .app-sidebar {
                transform: translateX(-100%);
                width: 280px;
                box-shadow: 20px 0 40px rgba(0, 0, 0, 0.1);
            }
            .app-sidebar.open {
                transform: translateX(0);
            }
            .overlay.show {
                display: block;
            }
            .main-wrapper {
                margin-left: 0;
            }
            .main-content {
                padding: 0 16px 48px;
            }
            .category-hero {
                padding: 40px 0 40px;
                border-radius: 0 0 20px 20px;
            }
            .category-hero h1 {
                font-size: 32px;
            }
            .hero-badge {
                display: none;
            }
            .section {
                padding-top: 48px;
            }
            .section-header h2 {
                font-size: 24px;
            }
            .guide-card:nth-child(n) {
                grid-column: span 12;
            }
            .process-grid {
                grid-template-columns: 1fr;
            }
            .feature-grid {
                grid-template-columns: 1fr;
            }
            .stat-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px 8px;
                padding: 20px;
            }
            .stat-num {
                font-size: 26px;
            }
            .mixed-section {
                padding: 32px 24px;
                border-radius: 18px;
            }
            .faq-wrap {
                padding: 16px 20px;
                border-radius: 16px;
            }
            .cta-section {
                padding: 36px 24px;
                border-radius: 18px;
            }
            .cta-text h2 {
                font-size: 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .footer-bottom {
                font-size: 12px;
            }
            .footer-bottom p {
                line-height: 1.7;
            }
        }

        @media (max-width:400px) {
            .stat-grid {
                grid-template-columns: 1fr;
            }
            .stat-item {
                border-bottom: 1px solid var(--border);
                padding-bottom: 12px;
                border-right: none;
            }
            .stat-item:last-child {
                border-bottom: none;
            }
            .hero-btns {
                flex-direction: column;
                align-items: flex-start;
            }
            .btn-accent,
            .btn-ghost-white {
                width: 100%;
                justify-content: center;
            }
        }