/* roulang page: index */
:root {
            --primary: #2d6b4c;
            --primary-light: #5aa37d;
            --primary-dark: #1c4330;
            --accent: #c9973b;
            --accent-light: #e5c580;
            --bg: #f8f6f2;
            --text: #212529;
            --text-light: #6b7280;
            --border: rgba(0, 0, 0, .06);
            --radius: 18px;
            --radius-sm: 12px;
            --shadow: 0 6px 30px rgba(0, 0, 0, .06);
            --shadow-hover: 0 12px 40px rgba(0, 0, 0, .12);
            --transition: all .3s cubic-bezier(.25, .8, .25, 1);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }

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

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

        a:focus-visible,
        button:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 3px;
        }

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

        .container-sm {
            max-width: 960px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== Navigation ===== */
        .site-header {
            padding: 20px 0 0;
            position: relative;
            z-index: 50;
        }

        .nav-panel {
            background: #fff;
            border-radius: 20px;
            padding: 14px 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            box-shadow: 0 4px 24px rgba(0, 0, 0, .05);
            border: 1px solid var(--border);
            flex-wrap: wrap;
        }

        .logo-wrap {
            display: flex;
            flex-direction: column;
            line-height: 1.2;
            min-width: 0;
        }

        .logo-name {
            font-size: 18px;
            font-weight: 700;
            color: var(--primary-dark);
            letter-spacing: .5px;
            white-space: nowrap;
        }

        .logo-sub {
            font-size: 12px;
            color: var(--text-light);
            letter-spacing: 1px;
            font-weight: 400;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }

        .nav-link {
            display: inline-block;
            padding: 10px 18px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-light);
            background: transparent;
            border: 1px solid transparent;
            transition: var(--transition);
        }

        .nav-link:hover {
            color: var(--primary);
            background: var(--brand-50, #f0f9f4);
        }

        .nav-link.active {
            color: #fff;
            background: var(--primary);
            box-shadow: 0 4px 14px rgba(45, 107, 76, .25);
        }

        .nav-cta {
            display: inline-block;
            padding: 10px 24px;
            background: var(--accent);
            color: #fff;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 600;
            box-shadow: 0 4px 16px rgba(201, 151, 59, .3);
            transition: var(--transition);
            white-space: nowrap;
        }

        .nav-cta:hover {
            background: var(--accent);
            transform: translateY(-2px);
            box-shadow: 0 6px 22px rgba(201, 151, 59, .4);
        }

        .menu-btn {
            display: none;
            background: none;
            border: 1px solid var(--border);
            border-radius: 10px;
            padding: 8px 12px;
            font-size: 20px;
            color: var(--text);
            cursor: pointer;
        }

        .mobile-menu {
            display: none;
            width: 100%;
            padding: 16px 8px 8px;
            flex-direction: column;
            gap: 8px;
        }

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

        .mobile-menu .nav-link {
            text-align: center;
            padding: 14px;
        }

        .mobile-menu .nav-cta {
            text-align: center;
        }

        /* ===== Hero ===== */
        .hero-section {
            padding: 60px 0 80px;
            position: relative;
            background: linear-gradient(135deg, var(--brand-50, #f0f9f4) 0%, #fff 60%, rgba(232, 214, 176, .15) 100%);
        }

        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            opacity: .08;
            pointer-events: none;
        }

        .hero-bento {
            position: relative;
            display: grid;
            grid-template-columns: 7fr 5fr;
            gap: 24px;
            margin-bottom: 24px;
        }

        .hero-main {
            background: #fff;
            border-radius: 24px;
            padding: 48px 44px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .hero-tag {
            display: inline-block;
            background: rgba(45, 107, 76, .08);
            color: var(--primary);
            padding: 6px 16px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 20px;
            letter-spacing: .5px;
            align-self: flex-start;
        }

        .hero-main h1 {
            font-size: clamp(28px, 3.6vw, 42px);
            font-weight: 700;
            line-height: 1.25;
            color: var(--primary-dark);
            margin-bottom: 18px;
            letter-spacing: -0.5px;
        }

        .hero-main p {
            font-size: 16px;
            color: var(--text-light);
            line-height: 1.8;
            margin-bottom: 28px;
            max-width: 96%;
        }

        .hero-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            margin-bottom: 30px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 28px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 600;
            transition: var(--transition);
            border: 1px solid transparent;
            cursor: pointer;
            line-height: 1.2;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 18px rgba(45, 107, 76, .25);
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(45, 107, 76, .35);
        }

        .btn-outline {
            background: #fff;
            color: var(--primary);
            border-color: rgba(45, 107, 76, .3);
        }

        .btn-outline:hover {
            border-color: var(--primary);
            background: var(--brand-50, #f0f9f4);
            transform: translateY(-2px);
        }

        .btn-gold {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 4px 18px rgba(201, 151, 59, .3);
        }

        .btn-gold:hover {
            background: var(--accent);
            box-shadow: 0 8px 28px rgba(201, 151, 59, .4);
            transform: translateY(-2px);
        }

        .hero-data {
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
            border-top: 1px solid var(--border);
            padding-top: 20px;
        }

        .hero-data-item {
            display: flex;
            flex-direction: column;
        }

        .hero-data-item strong {
            font-size: 26px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
        }

        .hero-data-item span {
            font-size: 12px;
            color: var(--text-light);
            margin-top: 4px;
        }

        .hero-side {
            display: grid;
            grid-template-rows: 1fr 1fr;
            gap: 24px;
        }

        .hero-card {
            background: #fff;
            border-radius: 24px;
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            position: relative;
            transition: var(--transition);
        }

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

        .hero-card img {
            width: 100%;
            height: 140px;
            object-fit: cover;
        }

        .hero-card-body {
            padding: 16px 20px 20px;
        }

        .hero-card-body h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--primary-dark);
            margin-bottom: 4px;
        }

        .hero-card-body p {
            font-size: 13px;
            color: var(--text-light);
            line-height: 1.5;
        }

        .hero-cta-bar {
            background: var(--primary-dark);
            border-radius: 20px;
            padding: 22px 32px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            flex-wrap: wrap;
            color: #fff;
        }

        .hero-cta-bar p {
            font-size: 16px;
            font-weight: 500;
            margin: 0;
        }

        .hero-cta-bar a {
            display: inline-block;
            background: rgba(255, 255, 255, .15);
            border: 1px solid rgba(255, 255, 255, .3);
            padding: 10px 22px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 500;
            transition: var(--transition);
        }

        .hero-cta-bar a:hover {
            background: rgba(255, 255, 255, .25);
            transform: translateX(4px);
        }

        /* ===== Sections global ===== */
        .section {
            padding: 80px 0;
        }

        .section-alt {
            background: #fff;
        }

        .section-head {
            text-align: center;
            max-width: 640px;
            margin: 0 auto 52px;
        }

        .section-head .tag {
            display: inline-block;
            background: rgba(45, 107, 76, .08);
            color: var(--primary);
            padding: 5px 14px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 1px;
            margin-bottom: 14px;
            text-transform: uppercase;
        }

        .section-head h2 {
            font-size: clamp(24px, 3vw, 34px);
            font-weight: 700;
            color: var(--primary-dark);
            line-height: 1.3;
            margin-bottom: 14px;
        }

        .section-head p {
            color: var(--text-light);
            font-size: 15px;
            line-height: 1.8;
        }

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

        .stat-card {
            background: #fff;
            border-radius: var(--radius);
            padding: 36px 28px;
            text-align: center;
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            transition: var(--transition);
        }

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

        .stat-card strong {
            display: block;
            font-size: 40px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
            margin-bottom: 8px;
            letter-spacing: -1px;
        }

        .stat-card span {
            font-size: 14px;
            color: var(--text-light);
        }

        /* ===== Benefits / Coupons ===== */
        .benefits-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .benefit-card {
            background: #fff;
            border-radius: var(--radius);
            padding: 36px 30px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            position: relative;
            overflow: hidden;
            transition: var(--transition);
        }

        .benefit-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            opacity: 0;
            transition: var(--transition);
        }

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

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

        .benefit-icon {
            width: 56px;
            height: 56px;
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 26px;
            margin-bottom: 20px;
            background: linear-gradient(135deg, var(--brand-100, #dcefe3), var(--brand-50, #f0f9f4));
        }

        .benefit-card h3 {
            font-size: 19px;
            font-weight: 600;
            color: var(--primary-dark);
            margin-bottom: 10px;
        }

        .benefit-card p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.7;
            margin-bottom: 20px;
        }

        .benefit-meta {
            display: inline-block;
            background: rgba(201, 151, 59, .1);
            color: var(--accent);
            padding: 4px 14px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 600;
        }

        /* ===== Rules ===== */
        .rules-section {
            position: relative;
            background: var(--primary-dark);
            color: #fff;
            overflow: hidden;
        }

        .rules-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            opacity: .08;
        }

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

        .rules-section .section-head p {
            color: rgba(255, 255, 255, .7);
        }

        .rules-section .section-head .tag {
            background: rgba(255, 255, 255, .12);
            color: var(--accent-light);
        }

        .rules-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            position: relative;
        }

        .rule-step {
            background: rgba(255, 255, 255, .06);
            border: 1px solid rgba(255, 255, 255, .12);
            border-radius: 20px;
            padding: 32px 24px;
            text-align: center;
            backdrop-filter: blur(8px);
            transition: var(--transition);
        }

        .rule-step:hover {
            background: rgba(255, 255, 255, .12);
            transform: translateY(-4px);
        }

        .rule-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--accent);
            color: #fff;
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 16px;
        }

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

        .rule-step p {
            font-size: 13px;
            color: rgba(255, 255, 255, .65);
            line-height: 1.6;
        }

        /* ===== News ===== */
        .news-layout {
            display: grid;
            grid-template-columns: 7fr 5fr;
            gap: 40px;
            align-items: start;
        }

        .news-list {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .news-item {
            display: flex;
            gap: 20px;
            padding: 22px 0;
            border-bottom: 1px solid var(--border);
            transition: var(--transition);
        }

        .news-item:hover {
            padding-left: 12px;
            border-bottom-color: rgba(45, 107, 76, .3);
        }

        .news-date {
            font-size: 13px;
            color: var(--text-light);
            white-space: nowrap;
            padding-top: 4px;
            min-width: 72px;
        }

        .news-content h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            line-height: 1.4;
            margin-bottom: 6px;
        }

        .news-content h3 a:hover {
            color: var(--primary);
        }

        .news-content p {
            font-size: 13px;
            color: var(--text-light);
            line-height: 1.6;
        }

        .news-tag {
            display: inline-block;
            font-size: 11px;
            color: var(--primary);
            background: rgba(45, 107, 76, .07);
            padding: 2px 10px;
            border-radius: 999px;
            margin-bottom: 6px;
            font-weight: 500;
        }

        .news-sidebar {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }

        .sidebar-card {
            background: #fff;
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            padding: 28px;
        }

        .sidebar-card h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--primary-dark);
            margin-bottom: 16px;
            padding-bottom: 12px;
            border-bottom: 1px solid var(--border);
        }

        .tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .tag-list a {
            display: inline-block;
            padding: 6px 14px;
            background: var(--brand-50, #f0f9f4);
            color: var(--primary);
            border-radius: 999px;
            font-size: 13px;
            font-weight: 500;
            border: 1px solid transparent;
            transition: var(--transition);
        }

        .tag-list a:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }

        .recommend-img {
            border-radius: 14px;
            overflow: hidden;
            margin-bottom: 14px;
        }

        .recommend-img img {
            width: 100%;
            height: 140px;
            object-fit: cover;
            transition: var(--transition);
        }

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

        .recommend-card h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 6px;
        }

        .recommend-card p {
            font-size: 13px;
            color: var(--text-light);
            line-height: 1.5;
            margin-bottom: 12px;
        }

        .recommend-card .btn-sm {
            font-size: 13px;
            padding: 7px 16px;
            border-radius: 999px;
            background: var(--primary);
            color: #fff;
            display: inline-block;
            transition: var(--transition);
        }

        .recommend-card .btn-sm:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
        }

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

        .faq-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: 0 2px 12px rgba(0, 0, 0, .03);
            transition: var(--transition);
        }

        .faq-item:hover {
            border-color: rgba(45, 107, 76, .25);
        }

        .faq-q {
            padding: 22px 28px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            background: #fff;
            border: none;
            width: 100%;
            text-align: left;
            transition: var(--transition);
        }

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

        .faq-q::after {
            content: '+';
            font-size: 22px;
            color: var(--accent);
            font-weight: 400;
            transition: transform .3s;
        }

        .faq-q.open::after {
            transform: rotate(45deg);
        }

        .faq-a {
            padding: 0 28px 22px;
            color: var(--text-light);
            font-size: 14px;
            line-height: 1.8;
            display: none;
        }

        .faq-a.open {
            display: block;
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 90px 0;
            background: linear-gradient(135deg, var(--primary-dark) 0%, #143527 100%);
            color: #fff;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            opacity: .1;
        }

        .cta-inner {
            position: relative;
            max-width: 680px;
            margin: 0 auto;
        }

        .cta-inner h2 {
            font-size: clamp(28px, 3.5vw, 38px);
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 18px;
        }

        .cta-inner p {
            font-size: 16px;
            color: rgba(255, 255, 255, .75);
            margin-bottom: 32px;
            line-height: 1.8;
        }

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

        .btn-large {
            padding: 16px 36px;
            font-size: 16px;
        }

        .cta-note {
            margin-top: 20px;
            font-size: 13px;
            color: rgba(255, 255, 255, .5);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #fff;
            padding: 60px 0 0;
            border-top: 1px solid var(--border);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 40px;
        }

        .footer-brand .logo-name {
            font-size: 17px;
            margin-bottom: 12px;
        }

        .footer-brand p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.7;
            max-width: 320px;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--primary-dark);
            margin-bottom: 16px;
        }

        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-col a {
            font-size: 14px;
            color: var(--text-light);
        }

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

        .footer-bottom {
            border-top: 1px solid var(--border);
            padding: 20px 0;
            text-align: center;
            color: var(--text-light);
            font-size: 13px;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .hero-bento {
                grid-template-columns: 1fr;
            }

            .hero-side {
                grid-template-columns: 1fr 1fr;
            }

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

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

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

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

        @media (max-width: 768px) {
            .section {
                padding: 60px 0;
            }

            .nav-links,
            .nav-cta {
                display: none;
            }

            .menu-btn {
                display: block;
            }

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

            .hero-main {
                padding: 36px 28px;
            }

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

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

            .hero-data {
                gap: 20px;
            }

            .hero-data-item strong {
                font-size: 22px;
            }

            .hero-cta-bar {
                flex-direction: column;
                text-align: center;
                padding: 24px;
            }

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

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }

            .nav-panel {
                padding: 12px 14px;
            }

            .logo-name {
                font-size: 15px;
            }

            .logo-sub {
                font-size: 11px;
            }

            .hero-main h1 {
                font-size: 24px;
            }

            .hero-side {
                grid-template-columns: 1fr;
            }

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

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

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

            .news-item {
                flex-direction: column;
                gap: 8px;
            }

            .news-date {
                padding-top: 0;
            }
        }

        /* ===== Animation helpers ===== */
        .fade-up {
            opacity: 0;
            transform: translateY(20px);
            transition: opacity .6s ease, transform .6s ease;
        }

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

        @media (prefers-reduced-motion: reduce) {
            * {
                animation-duration: .01ms !important;
                transition-duration: .01ms !important;
                scroll-behavior: auto !important;
            }
        }

/* roulang page: category1 */
:root {
            --brand: #1d3d33;
            --brand-dark: #14211c;
            --brand-light: #2c5548;
            --accent: #c19a5b;
            --accent-dark: #a87f45;
            --cream: #f8f5f0;
            --ink: #1c2420;
            --muted: #6e7b74;
            --line: #e8dfd3;
            --radius: 18px;
            --radius-lg: 28px;
            --shadow-sm: 0 2px 10px rgba(20, 33, 28, 0.05);
            --shadow-md: 0 10px 34px rgba(20, 33, 28, 0.08);
            --shadow-lg: 0 20px 50px rgba(20, 33, 28, 0.12);
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, sans-serif;
            background: var(--cream);
            color: var(--ink);
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }
        a {
            text-decoration: none;
            color: inherit;
        }
        img {
            max-width: 100%;
            display: block;
            object-fit: cover;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        /* header nav */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(248, 245, 240, 0.88);
            backdrop-filter: blur(14px);
            border-bottom: 1px solid rgba(232, 223, 211, 0.7);
            padding: 12px 0;
        }
        .nav-panel {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            background: #fff;
            border: 1px solid var(--line);
            border-radius: 22px;
            padding: 10px 14px 10px 18px;
            box-shadow: var(--shadow-sm);
        }
        .logo-wrap {
            display: flex;
            flex-direction: column;
            line-height: 1.2;
        }
        .logo-name {
            font-size: 17px;
            font-weight: 700;
            color: var(--brand);
            letter-spacing: 0.01em;
        }
        .logo-sub {
            font-size: 11px;
            color: var(--muted);
            letter-spacing: 0.04em;
            margin-top: 2px;
        }
        .nav-links {
            display: flex;
            gap: 4px;
            align-items: center;
        }
        .nav-link {
            padding: 8px 16px;
            border-radius: 12px;
            font-size: 14px;
            font-weight: 500;
            color: var(--ink);
            transition: all 0.25s ease;
            line-height: 1.4;
        }
        .nav-link:hover {
            background: var(--brand-soft, #eef3f0);
            color: var(--brand);
        }
        .nav-link.active {
            background: var(--brand);
            color: #fff;
            box-shadow: 0 4px 14px rgba(29, 61, 51, 0.22);
        }
        .nav-cta {
            background: var(--accent);
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            padding: 10px 22px;
            border-radius: 14px;
            transition: all 0.25s ease;
            box-shadow: 0 4px 16px rgba(193, 154, 91, 0.30);
        }
        .nav-cta:hover {
            background: var(--accent-dark);
            transform: translateY(-1px);
            box-shadow: 0 8px 24px rgba(193, 154, 91, 0.38);
        }
        .menu-btn {
            display: none;
            width: 42px;
            height: 42px;
            align-items: center;
            justify-content: center;
            border-radius: 12px;
            border: 1px solid var(--line);
            background: #fff;
            color: var(--brand);
            cursor: pointer;
            transition: all 0.2s;
        }
        .menu-btn:hover {
            background: var(--cream);
        }
        .mobile-menu {
            display: none;
            background: #fff;
            border: 1px solid var(--line);
            border-radius: 16px;
            padding: 16px;
            margin-top: 10px;
            flex-direction: column;
            gap: 8px;
            box-shadow: var(--shadow-md);
        }
        .mobile-menu.open {
            display: flex;
        }
        .mobile-menu .nav-link {
            display: block;
            text-align: center;
        }
        .mobile-menu .nav-cta {
            display: block;
            text-align: center;
            margin-top: 4px;
        }
        /* hero */
        .hero-section {
            position: relative;
            background: linear-gradient(135deg, rgba(12, 28, 22, 0.92), rgba(24, 54, 43, 0.78)), url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            border-radius: 30px;
            margin: 24px auto;
            padding: 64px 0;
            overflow: hidden;
            color: #fff;
        }
        .hero-grid {
            display: grid;
            grid-template-columns: 1.05fr 0.95fr;
            gap: 48px;
            align-items: center;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.18);
            border-radius: 999px;
            padding: 7px 16px;
            font-size: 13px;
            line-height: 1.4;
            color: #f0e7da;
            backdrop-filter: blur(6px);
        }
        .hero-badge svg {
            width: 15px;
            height: 15px;
            color: var(--accent);
        }
        .hero-title {
            font-size: clamp(2.05rem, 4.5vw, 3.2rem);
            font-weight: 800;
            line-height: 1.22;
            margin: 20px 0 16px;
            letter-spacing: -0.02em;
        }
        .hero-title span {
            color: var(--accent);
        }
        .hero-sub {
            font-size: 16px;
            line-height: 1.85;
            color: rgba(255, 255, 255, 0.82);
            max-width: 540px;
            margin-bottom: 30px;
        }
        .countdown-box {
            display: inline-grid;
            grid-template-columns: repeat(3, auto);
            gap: 14px;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.14);
            border-radius: 18px;
            padding: 18px 26px;
            margin-bottom: 28px;
            backdrop-filter: blur(8px);
        }
        .countdown-item {
            text-align: center;
        }
        .countdown-num {
            font-size: 32px;
            font-weight: 700;
            font-feature-settings: 'tnum';
            color: #fff;
            line-height: 1.1;
            letter-spacing: 0.02em;
        }
        .countdown-label {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.6);
            text-transform: uppercase;
            letter-spacing: 0.08em;
            margin-top: 2px;
        }
        .countdown-sep {
            align-self: center;
            font-size: 26px;
            color: rgba(255, 255, 255, 0.4);
            font-weight: 300;
            margin-top: -12px;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            align-items: center;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--accent);
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            padding: 14px 28px;
            border-radius: 14px;
            transition: all 0.28s ease;
            box-shadow: 0 6px 22px rgba(193, 154, 91, 0.35);
        }
        .btn-primary:hover {
            background: var(--accent-dark);
            transform: translateY(-2px);
            box-shadow: 0 12px 30px rgba(193, 154, 91, 0.45);
        }
        .btn-ghost {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            border: 1px solid rgba(255, 255, 255, 0.3);
            color: #fff;
            font-size: 15px;
            font-weight: 500;
            padding: 13px 26px;
            border-radius: 14px;
            transition: all 0.28s ease;
            background: rgba(255, 255, 255, 0.06);
        }
        .btn-ghost:hover {
            background: rgba(255, 255, 255, 0.14);
            transform: translateY(-2px);
        }
        .hero-media {
            position: relative;
        }
        .hero-cover-card {
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid rgba(255, 255, 255, 0.18);
            box-shadow: 0 24px 60px rgba(0, 0, 0, 0.3);
            position: relative;
        }
        .hero-cover-card img {
            width: 100%;
            height: 360px;
            object-fit: cover;
        }
        .hero-cover-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(12, 28, 22, 0.75), transparent 60%);
            display: flex;
            align-items: flex-end;
            padding: 22px;
            color: #fff;
        }
        .hero-cover-tag {
            background: var(--accent);
            font-size: 12px;
            font-weight: 600;
            padding: 5px 12px;
            border-radius: 999px;
            display: inline-block;
            margin-bottom: 8px;
        }
        .hero-cover-text {
            font-size: 15px;
            line-height: 1.7;
        }
        .hero-float-chip {
            position: absolute;
            background: #fff;
            border-radius: 16px;
            padding: 12px 18px;
            box-shadow: var(--shadow-lg);
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 13px;
            color: var(--ink);
            font-weight: 500;
        }
        .hero-float-chip.left {
            top: 22px;
            left: -14px;
        }
        .hero-float-chip.right {
            bottom: 26px;
            right: -10px;
        }
        .hero-float-chip .dot {
            width: 9px;
            height: 9px;
            border-radius: 50%;
            background: #4bb382;
            box-shadow: 0 0 0 3px rgba(75, 179, 130, 0.2);
        }
        /* sections general */
        .section {
            padding: 64px 0;
        }
        .section-head {
            text-align: center;
            max-width: 680px;
            margin: 0 auto 44px;
        }
        .section-eyebrow {
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.1em;
            color: var(--accent);
            text-transform: uppercase;
            margin-bottom: 10px;
            display: inline-block;
        }
        .section-title {
            font-size: clamp(1.6rem, 3vw, 2.3rem);
            font-weight: 800;
            line-height: 1.3;
            color: var(--brand-dark);
            letter-spacing: -0.01em;
        }
        .section-desc {
            color: var(--muted);
            font-size: 15px;
            line-height: 1.8;
            margin-top: 12px;
        }
        /* stats band */
        .stats-band {
            background: var(--brand-dark);
            border-radius: 26px;
            padding: 44px 36px;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
            color: #fff;
        }
        .stat-item {
            text-align: center;
            padding: 8px 4px;
        }
        .stat-num {
            font-size: clamp(28px, 4vw, 42px);
            font-weight: 800;
            line-height: 1.1;
            color: var(--accent);
            letter-spacing: -0.02em;
        }
        .stat-label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
            margin-top: 6px;
            line-height: 1.5;
        }
        /* service cards */
        .service-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        .service-card {
            background: #fff;
            border: 1px solid var(--line);
            border-radius: 22px;
            overflow: hidden;
            transition: all 0.32s ease;
            box-shadow: var(--shadow-sm);
            display: flex;
            flex-direction: column;
        }
        .service-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-6px);
            border-color: #d9cebe;
        }
        .service-media {
            position: relative;
            overflow: hidden;
            height: 200px;
        }
        .service-media img {
            width: 100%;
            height: 100%;
            transition: transform 0.5s ease;
        }
        .service-card:hover .service-media img {
            transform: scale(1.05);
        }
        .service-media .service-badge {
            position: absolute;
            top: 14px;
            left: 14px;
            background: rgba(20, 33, 28, 0.82);
            color: #fff;
            font-size: 12px;
            font-weight: 500;
            padding: 5px 12px;
            border-radius: 999px;
            backdrop-filter: blur(4px);
        }
        .service-body {
            padding: 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .service-body h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--brand-dark);
            margin-bottom: 8px;
        }
        .service-body p {
            font-size: 14px;
            line-height: 1.75;
            color: var(--muted);
            flex: 1;
        }
        .service-meta {
            display: flex;
            gap: 10px;
            margin-top: 16px;
            flex-wrap: wrap;
        }
        .service-tag {
            font-size: 12px;
            background: var(--cream);
            border: 1px solid var(--line);
            border-radius: 8px;
            padding: 4px 10px;
            color: var(--brand);
            font-weight: 500;
        }
        /* compare section */
        .compare-wrap {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
        }
        .compare-card {
            border-radius: 24px;
            padding: 34px;
            position: relative;
            overflow: hidden;
        }
        .compare-card.before {
            background: #fff;
            border: 1px solid var(--line);
        }
        .compare-card.after {
            background: var(--brand);
            color: #fff;
            box-shadow: 0 18px 48px rgba(29, 61, 51, 0.26);
        }
        .compare-label {
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.08em;
            margin-bottom: 18px;
            display: inline-block;
        }
        .compare-card.before .compare-label {
            color: #a08f7a;
        }
        .compare-card.after .compare-label {
            color: var(--accent);
        }
        .compare-card h3 {
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 18px;
            line-height: 1.3;
        }
        .compare-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .compare-list li {
            display: flex;
            gap: 12px;
            align-items: flex-start;
            font-size: 14px;
            line-height: 1.7;
        }
        .compare-list li .icon {
            flex-shrink: 0;
            width: 22px;
            height: 22px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            margin-top: 1px;
        }
        .compare-card.before .icon {
            background: #f3ece3;
            color: #b58d5f;
        }
        .compare-card.after .icon {
            background: rgba(255, 255, 255, 0.16);
            color: var(--accent);
        }
        /* faq */
        .faq-wrap {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: #fff;
            border: 1px solid var(--line);
            border-radius: 16px;
            margin-bottom: 14px;
            overflow: hidden;
            transition: all 0.25s ease;
        }
        .faq-item:hover {
            border-color: #d4c9ba;
            box-shadow: var(--shadow-sm);
        }
        .faq-item summary {
            padding: 20px 24px;
            cursor: pointer;
            font-size: 15px;
            font-weight: 600;
            color: var(--brand-dark);
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            transition: background 0.2s;
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary::after {
            content: '+';
            font-size: 22px;
            font-weight: 300;
            color: var(--accent);
            flex-shrink: 0;
            transition: transform 0.25s;
        }
        .faq-item[open] summary::after {
            content: '−';
            transform: rotate(0deg);
        }
        .faq-item .faq-answer {
            padding: 0 24px 20px;
            font-size: 14px;
            line-height: 1.85;
            color: var(--muted);
            border-top: 1px solid #f0e9df;
            margin-top: 0;
        }
        /* cta form */
        .cta-section {
            position: relative;
            background: linear-gradient(135deg, rgba(12, 28, 22, 0.94), rgba(29, 61, 51, 0.82)), url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            border-radius: 30px;
            overflow: hidden;
            padding: 60px 0;
            margin: 30px auto;
            color: #fff;
        }
        .cta-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .cta-content h2 {
            font-size: clamp(1.8rem, 3vw, 2.5rem);
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: 14px;
        }
        .cta-content p {
            color: rgba(255, 255, 255, 0.78);
            line-height: 1.8;
            font-size: 15px;
            margin-bottom: 22px;
        }
        .cta-feature {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.9);
            margin-bottom: 12px;
        }
        .cta-feature .dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--accent);
            flex-shrink: 0;
        }
        .form-card {
            background: #fff;
            border-radius: 22px;
            padding: 32px;
            box-shadow: 0 24px 60px rgba(0, 0, 0, 0.22);
            color: var(--ink);
        }
        .form-card h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--brand-dark);
        }
        .form-card .form-sub {
            font-size: 13px;
            color: var(--muted);
            margin-bottom: 22px;
        }
        .form-group {
            margin-bottom: 16px;
        }
        .form-group label {
            font-size: 13px;
            font-weight: 600;
            color: var(--brand-dark);
            display: block;
            margin-bottom: 6px;
        }
        .form-group input,
        .form-group select {
            width: 100%;
            border: 1px solid var(--line);
            border-radius: 12px;
            padding: 12px 16px;
            font-size: 14px;
            background: #fdfcfa;
            transition: all 0.22s;
            color: var(--ink);
        }
        .form-group input:focus,
        .form-group select:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(193, 154, 91, 0.15);
            background: #fff;
        }
        .form-group select {
            appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%236e7b74' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 14px center;
        }
        .form-submit {
            width: 100%;
            background: var(--accent);
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            padding: 14px 20px;
            border-radius: 14px;
            transition: all 0.28s ease;
            box-shadow: 0 6px 20px rgba(193, 154, 91, 0.32);
            cursor: pointer;
            margin-top: 6px;
        }
        .form-submit:hover {
            background: var(--accent-dark);
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(193, 154, 91, 0.4);
        }
        .form-tip {
            text-align: center;
            font-size: 12px;
            color: var(--muted);
            margin-top: 12px;
        }
        /* footer */
        .site-footer {
            background: #fff;
            border-top: 1px solid var(--line);
            padding: 50px 0 24px;
            margin-top: 40px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 36px;
        }
        .footer-brand p {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.8;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--brand-dark);
            margin-bottom: 14px;
        }
        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-col a {
            font-size: 14px;
            color: var(--muted);
            transition: all 0.2s;
        }
        .footer-col a:hover {
            color: var(--brand);
            padding-left: 5px;
        }
        .footer-bottom {
            border-top: 1px solid #f0ebe3;
            padding-top: 20px;
            text-align: center;
            font-size: 13px;
            color: #9a8f7f;
        }
        /* responsive */
        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
            }
            .hero-media {
                max-width: 560px;
                margin: 0 auto;
            }
            .stats-band {
                grid-template-columns: repeat(2, 1fr);
                gap: 22px;
            }
            .service-grid {
                gap: 18px;
            }
            .cta-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
        }
        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            .menu-btn {
                display: inline-flex;
            }
            .nav-cta {
                display: none;
            }
            .hero-section {
                padding: 44px 0;
                border-radius: 22px;
            }
            .hero-float-chip.left {
                left: 8px;
            }
            .hero-float-chip.right {
                right: 8px;
            }
            .service-grid {
                grid-template-columns: 1fr;
            }
            .compare-wrap {
                grid-template-columns: 1fr;
            }
            .section {
                padding: 44px 0;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .stats-band {
                padding: 30px 20px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .countdown-box {
                padding: 14px 18px;
                gap: 8px;
            }
            .countdown-num {
                font-size: 24px;
            }
            .countdown-sep {
                font-size: 20px;
            }
            .hero-cover-card img {
                height: 250px;
            }
            .form-card {
                padding: 24px 20px;
            }
            .stat-num {
                font-size: 26px;
            }
        }