/* roulang page: index */
:root {
            --primary: #1E8E5A;
            --primary-dark: #0F6B3F;
            --accent: #F59E0B;
            --ink: #111A14;
            --gray: #4B5563;
            --light-gray: #9CA3AF;
            --paper: #F7F9F7;
            --card: #FFFFFF;
            --line: #E4EBE6;
            --surface-dark: #0C1F16;
            --radius: 16px;
            --shadow-sm: 0 1px 3px rgba(17, 26, 20, 0.06);
            --shadow-md: 0 6px 16px rgba(17, 26, 20, 0.08);
            --shadow-lg: 0 12px 32px rgba(17, 26, 20, 0.10);
            --transition: 200ms ease;
        }

        html {
            scroll-behavior: smooth;
        }

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

        body {
            font-family: ui-sans-serif, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            background: var(--paper);
            color: var(--ink);
            line-height: 1.78;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }

        h1,
        h2,
        h3,
        h4 {
            line-height: 1.28;
            font-weight: 700;
            color: var(--ink);
        }

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

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

        ul {
            list-style: none;
        }

        button,
        input,
        select {
            font-family: inherit;
            font-size: inherit;
        }

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

        section[id] {
            scroll-margin-top: 140px;
        }

        /* ========== Buttons ========== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 999px;
            font-weight: 600;
            transition: all var(--transition);
            cursor: pointer;
            border: none;
            line-height: 1.4;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
            padding: 12px 28px;
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-1px);
        }
        .btn-primary:active {
            transform: scale(0.98);
        }
        .btn-primary:focus-visible {
            outline: 3px solid rgba(30, 142, 90, 0.4);
            outline-offset: 2px;
        }

        .btn-outline {
            background: transparent;
            color: var(--primary);
            border: 1px solid var(--primary);
            padding: 12px 28px;
        }
        .btn-outline:hover {
            background: rgba(30, 142, 90, 0.06);
        }
        .btn-outline:active {
            transform: scale(0.98);
        }
        .btn-outline:focus-visible {
            outline: 3px solid rgba(30, 142, 90, 0.4);
            outline-offset: 2px;
        }

        .btn-outline-light {
            background: transparent;
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.7);
            padding: 12px 28px;
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.12);
        }
        .btn-outline-light:active {
            transform: scale(0.98);
        }
        .btn-outline-light:focus-visible {
            outline: 3px solid rgba(255, 255, 255, 0.4);
            outline-offset: 2px;
        }

        .btn-lg {
            font-size: 16px;
            padding: 14px 36px;
        }
        .btn-sm {
            font-size: 14px;
            padding: 8px 18px;
        }
        .btn-block {
            width: 100%;
        }

        /* ========== Header ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 80;
        }

        .brand-row {
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--line);
        }

        .brand-bar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
        }

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

        .logo-mark {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: var(--primary);
            border-radius: 12px;
            color: #fff;
            font-size: 18px;
            flex-shrink: 0;
        }

        .logo-text {
            font-size: 22px;
            font-weight: 800;
            letter-spacing: 1px;
            color: var(--ink);
            white-space: nowrap;
        }
        .logo-text span {
            color: var(--primary);
        }

        .brand-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .phone-line {
            color: var(--gray);
            font-size: 14px;
            display: flex;
            align-items: center;
            gap: 6px;
            transition: color var(--transition);
        }
        .phone-line:hover {
            color: var(--primary);
        }
        .phone-line:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
            border-radius: 4px;
        }

        .channel-row {
            background: var(--paper);
            border-bottom: 1px solid var(--line);
        }

        .channel-nav {
            display: flex;
            align-items: center;
            gap: 10px;
            height: 52px;
            overflow-x: auto;
            scrollbar-width: none;
        }
        .channel-nav::-webkit-scrollbar {
            display: none;
        }

        .channel-item {
            flex-shrink: 0;
            padding: 6px 22px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 500;
            color: var(--ink);
            transition: background var(--transition), color var(--transition), opacity var(--transition);
        }
        .channel-item:hover {
            background: rgba(30, 142, 90, 0.08);
            color: var(--primary);
        }
        .channel-item.active {
            background: var(--primary);
            color: #fff;
            font-weight: 600;
        }
        .channel-item:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        .channel-cta {
            margin-left: auto;
            flex-shrink: 0;
            background: var(--accent);
            color: #fff;
            padding: 7px 18px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 600;
            transition: background var(--transition), transform var(--transition);
        }
        .channel-cta:hover {
            background: #d97706;
            transform: translateY(-1px);
        }
        .channel-cta:active {
            transform: scale(0.97);
        }
        .channel-cta:focus-visible {
            outline: 3px solid rgba(245, 158, 11, 0.4);
            outline-offset: 2px;
        }

        /* ========== Hero ========== */
        .hero {
            position: relative;
            background-color: var(--surface-dark);
            padding: 80px 0 90px;
            overflow: hidden;
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
            z-index: 0;
        }
        .hero-bg::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(115deg, rgba(12, 31, 22, 0.94) 15%, rgba(12, 31, 22, 0.75) 50%, rgba(12, 31, 22, 0.45) 100%);
        }

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

        .hero-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 60px;
            align-items: center;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, 0.15);
            border: 1px solid rgba(255, 255, 255, 0.25);
            color: #fff;
            font-size: 13px;
            font-weight: 600;
            padding: 5px 14px;
            border-radius: 999px;
            margin-bottom: 20px;
            letter-spacing: 1px;
        }

        .hero-title {
            font-size: clamp(30px, 3.6vw, 44px);
            color: #fff;
            line-height: 1.22;
            letter-spacing: -0.02em;
            margin-bottom: 18px;
        }

        .hero-sub {
            color: rgba(255, 255, 255, 0.85);
            font-size: 17px;
            line-height: 1.75;
            max-width: 540px;
            margin-bottom: 32px;
        }

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

        .hero-data {
            display: flex;
            justify-content: flex-end;
        }

        .hero-card {
            background: rgba(255, 255, 255, 0.10);
            border: 1px solid rgba(255, 255, 255, 0.18);
            border-radius: 20px;
            padding: 28px 30px;
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            width: 100%;
            max-width: 360px;
        }

        .hero-card-title {
            color: rgba(255, 255, 255, 0.7);
            font-size: 14px;
            font-weight: 600;
            letter-spacing: 2px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.15);
            padding-bottom: 12px;
            margin-bottom: 18px;
        }

        .hero-data-row {
            display: flex;
            align-items: baseline;
            justify-content: space-between;
            padding: 12px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .hero-data-row:last-child {
            border-bottom: none;
        }

        .hero-data-num {
            font-size: 28px;
            font-weight: 800;
            color: var(--accent);
            font-variant-numeric: tabular-nums;
        }

        .hero-data-label {
            color: rgba(255, 255, 255, 0.75);
            font-size: 14px;
        }

        /* ========== Trust ========== */
        .trust-section {
            padding: 72px 0;
            background: #fff;
            border-bottom: 1px solid var(--line);
        }

        .trust-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 40px;
        }

        .trust-item {
            text-align: left;
        }

        .trust-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: rgba(30, 142, 90, 0.10);
            color: var(--primary);
            font-size: 22px;
            margin-bottom: 16px;
        }

        .trust-item h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .trust-item p {
            font-size: 14px;
            color: var(--gray);
            line-height: 1.7;
        }

        /* ========== Section common ========== */
        .section-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 2px;
            color: var(--primary);
            background: rgba(30, 142, 90, 0.08);
            padding: 5px 14px;
            border-radius: 999px;
            margin-bottom: 14px;
        }

        .section-title {
            font-size: clamp(24px, 2.6vw, 34px);
            line-height: 1.28;
            margin-bottom: 14px;
        }

        .section-head {
            text-align: center;
            max-width: 700px;
            margin: 0 auto 50px;
        }

        .section-head p {
            color: var(--gray);
            font-size: 16px;
        }

        /* ========== Intro (痛点提问) ========== */
        .intro-section {
            padding: 84px 0;
            background: var(--paper);
        }

        .intro-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }

        .intro-copy p {
            color: var(--gray);
            margin-top: 16px;
        }

        .intro-visual {
            position: relative;
            display: flex;
            justify-content: center;
            align-items: center;
        }

        .intro-image-wrap {
            position: relative;
            border-radius: 20px;
            overflow: hidden;
            box-shadow: var(--shadow-md);
            width: 100%;
            max-width: 480px;
        }

        .intro-image-wrap img {
            width: 100%;
            height: 320px;
            object-fit: cover;
        }

        .intro-deco {
            position: absolute;
            top: -24px;
            right: -24px;
            width: 120px;
            height: 120px;
            border-radius: 50%;
            border: 14px solid rgba(30, 142, 90, 0.18);
            z-index: -1;
        }

        /* ========== Solutions ========== */
        .solutions-section {
            padding: 84px 0;
            background: #fff;
        }

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

        .plan-card {
            position: relative;
            background: #fff;
            border: 1px solid var(--line);
            border-radius: 20px;
            padding: 32px 28px 28px;
            display: flex;
            flex-direction: column;
            transition: box-shadow var(--transition), border-color var(--transition, transform var(--transition));
            overflow: hidden;
        }
        .plan-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 24px;
            right: 24px;
            height: 4px;
            border-radius: 0 0 4px 4px;
            background: var(--primary);
        }
        .plan-card:hover {
            box-shadow: var(--shadow-lg);
            border-color: rgba(30, 142, 90, 0.3);
            transform: translateY(-4px);
        }
        .plan-card:nth-child(2)::before {
            background: var(--accent);
        }
        .plan-card:nth-child(3)::before {
            background: var(--primary-dark);
        }

        .plan-number {
            display: inline-block;
            font-size: 44px;
            font-weight: 800;
            color: rgba(30, 142, 90, 0.16);
            line-height: 1;
            margin-bottom: 16px;
        }

        .plan-card h3 {
            font-size: 20px;
            margin-bottom: 12px;
            line-height: 1.4;
        }

        .plan-card>p {
            color: var(--gray);
            font-size: 15px;
            margin-bottom: 18px;
        }

        .plan-list {
            margin-bottom: 24px;
            flex: 1;
        }
        .plan-list li {
            position: relative;
            padding-left: 24px;
            margin-bottom: 10px;
            font-size: 15px;
            color: var(--ink);
            line-height: 1.6;
        }
        .plan-list li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 9px;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--primary);
        }

        .cmp-box {
            border: 1px solid var(--line);
            border-radius: 14px;
            overflow: hidden;
            margin-bottom: 18px;
            flex: 1;
        }

        .cmp-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            border-bottom: 1px solid var(--line);
        }
        .cmp-row:last-child {
            border-bottom: none;
        }
        .cmp-row span {
            padding: 10px 14px;
            font-size: 13px;
            line-height: 1.5;
            color: var(--gray);
            border-right: 1px solid var(--line);
        }
        .cmp-row span:first-child {
            background: #F3F6F3;
            font-weight: 600;
            color: #6B7280;
        }
        .cmp-row span:last-child {
            border-right: none;
            color: var(--primary-dark);
            font-weight: 600;
            background: rgba(30, 142, 90, 0.04);
        }

        .timeline-list {
            flex: 1;
            margin-bottom: 24px;
        }
        .timeline-list li {
            position: relative;
            padding: 10px 0 10px 90px;
            border-left: 2px solid var(--line);
            margin-left: 8px;
        }
        .timeline-list li::before {
            content: '';
            position: absolute;
            left: -6px;
            top: 20px;
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--primary);
            border: 2px solid #fff;
            box-shadow: 0 0 0 2px rgba(30, 142, 90, 0.2);
        }
        .timeline-list b {
            position: absolute;
            left: 16px;
            top: 10px;
            font-size: 15px;
            font-weight: 700;
            color: var(--primary);
        }
        .timeline-list span {
            font-size: 14px;
            color: var(--gray);
            display: block;
            line-height: 1.6;
        }

        .arrow-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--primary);
            font-weight: 600;
            font-size: 14px;
            margin-top: auto;
            transition: color var(--transition);
        }
        .arrow-link i {
            transition: transform var(--transition);
        }
        .arrow-link:hover {
            color: var(--primary-dark);
        }
        .arrow-link:hover i {
            transform: translateX(4px);
        }
        .arrow-link:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
            border-radius: 4px;
        }

        /* ========== Stats ========== */
        .stats-section {
            position: relative;
            padding: 80px 0;
            background: var(--surface-dark);
            overflow: hidden;
        }

        .stats-bg {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
            opacity: 0.25;
            z-index: 0;
        }

        .stats-section .container {
            position: relative;
            z-index: 1;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 40px;
            text-align: center;
        }

        .stat-num {
            display: block;
            font-size: clamp(36px, 4vw, 52px);
            font-weight: 800;
            color: var(--accent);
            line-height: 1.2;
            font-variant-numeric: tabular-nums;
            margin-bottom: 10px;
        }

        .stat-label {
            color: rgba(255, 255, 255, 0.7);
            font-size: 15px;
        }

        .stats-caption {
            text-align: center;
            color: rgba(255, 255, 255, 0.45);
            font-size: 13px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 28px;
            margin-top: 48px;
        }

        /* ========== Contact ========== */
        .contact-section {
            padding: 84px 0;
            background: var(--paper);
        }

        .contact-box {
            display: grid;
            grid-template-columns: 0.9fr 1.1fr;
            gap: 56px;
            background: #fff;
            border: 1px solid var(--line);
            border-radius: 24px;
            padding: 52px;
            box-shadow: var(--shadow-sm);
        }

        .contact-info h2 {
            font-size: clamp(22px, 2.4vw, 30px);
            margin-bottom: 16px;
            line-height: 1.3;
        }

        .contact-info p {
            color: var(--gray);
            font-size: 16px;
            margin-bottom: 24px;
        }

        .privacy-note {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            background: rgba(30, 142, 90, 0.05);
            border-radius: 14px;
            padding: 14px 16px;
            border: 1px solid rgba(30, 142, 90, 0.1);
        }

        .privacy-icon {
            color: var(--primary);
            font-size: 18px;
            margin-top: 2px;
        }

        .privacy-note span {
            font-size: 13px;
            color: var(--gray);
            line-height: 1.7;
        }

        .form-row {
            margin-bottom: 16px;
        }

        .form-input {
            width: 100%;
            height: 48px;
            border: 1px solid var(--line);
            border-radius: 12px;
            padding: 0 16px;
            background: #fff;
            color: var(--ink);
            font-size: 15px;
            transition: border-color var(--transition), box-shadow var(--transition);
        }
        .form-input::placeholder {
            color: #9CA3AF;
        }
        .form-input:hover {
            border-color: #b8c9bc;
        }
        .form-input:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 4px rgba(30, 142, 90, 0.12);
        }

        select.form-input {
            appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='18' height='18' viewBox='0 0 24 24' fill='none' stroke='%234B5563' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 14px center;
            cursor: pointer;
        }

        /* ========== News ========== */
        .news-section {
            padding: 84px 0;
            background: #fff;
        }

        .news-layout {
            display: grid;
            grid-template-columns: 0.7fr 1.3fr;
            gap: 48px;
        }

        .news-side {
            background: var(--paper);
            border-radius: 20px;
            padding: 36px 30px;
            border: 1px solid var(--line);
            align-self: start;
        }

        .news-side .section-title {
            font-size: 28px;
            margin-bottom: 12px;
        }

        .news-side p {
            color: var(--gray);
            font-size: 15px;
            margin-bottom: 24px;
        }

        .news-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .news-card {
            display: flex;
            gap: 18px;
            padding: 16px;
            background: #fff;
            border: 1px solid var(--line);
            border-radius: var(--radius);
            transition: box-shadow var(--transition), border-color var(--transition);
        }
        .news-card:hover {
            box-shadow: var(--shadow-lg);
            border-color: rgba(30, 142, 90, 0.25);
        }
        .news-card:active {
            transform: scale(0.996);
        }
        .news-card:focus-visible {
            outline: 3px solid rgba(30, 142, 90, 0.3);
            outline-offset: 2px;
        }

        .news-thumb {
            flex: 0 0 140px;
            width: 140px;
            height: 100px;
            border-radius: 12px;
            overflow: hidden;
        }
        .news-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .news-body {
            flex: 1;
            min-width: 0;
            display: flex;
            flex-direction: column;
        }

        .news-badge {
            align-self: flex-start;
            display: inline-block;
            margin-bottom: 8px;
            background: rgba(30, 142, 90, 0.10);
            color: var(--primary);
            font-size: 12px;
            font-weight: 600;
            padding: 2px 12px;
            border-radius: 999px;
        }

        .news-body h3 {
            font-size: 17px;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 6px;
            display: -webkit-box;
            -webkit-line-clamp: 1;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-body p {
            font-size: 14px;
            color: var(--gray);
            line-height: 1.65;
            margin-bottom: auto;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-meta {
            font-size: 12px;
            color: var(--light-gray);
            margin-top: 8px;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .news-empty {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            background: var(--paper);
            border: 1px dashed var(--line);
            border-radius: var(--radius);
            padding: 60px 20px;
            color: var(--gray);
            font-size: 15px;
            gap: 12px;
        }
        .news-empty i {
            font-size: 40px;
            color: #c6d2c9;
        }

        /* ========== FAQ ========== */
        .faq-section {
            padding: 84px 0;
            background: var(--paper);
        }

        .faq-list {
            max-width: 860px;
            margin: 0 auto;
        }

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

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            padding: 18px 12px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: var(--ink);
            transition: color var(--transition);
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-question:focus-visible {
            outline: 2px solid var(--primary);
            border-radius: 6px;
        }
        .faq-question i {
            font-size: 16px;
            color: var(--primary);
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }
        .faq-item.open .faq-question i {
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 12px;
        }
        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 12px 20px;
        }

        .faq-answer p {
            color: var(--gray);
            font-size: 15px;
            line-height: 1.8;
        }

        /* ========== Footer ========== */
        .site-footer {
            background: var(--surface-dark);
            color: rgba(255, 255, 255, 0.75);
            padding-top: 64px;
        }

        .footer-top {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 48px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .footer-brand .logo {
            margin-bottom: 16px;
        }
        .footer-brand .logo-mark {
            background: var(--primary);
        }
        .footer-brand .logo-text {
            color: #fff;
            font-size: 20px;
        }
        .footer-brand .logo-text span {
            color: #4ADE80;
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
            max-width: 320px;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 16px;
            margin-bottom: 18px;
            font-weight: 700;
        }

        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
            transition: color var(--transition), padding-left var(--transition);
        }
        .footer-col ul li a:hover {
            color: #fff;
            padding-left: 4px;
        }
        .footer-col ul li a:focus-visible {
            outline: 2px solid rgba(255, 255, 255, 0.5);
            outline-offset: 2px;
            border-radius: 4px;
        }

        .footer-bottom {
            padding: 24px 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
        }

        /* ========== Float CTA / Modal ========== */
        .float-cta {
            position: fixed;
            right: 24px;
            bottom: 24px;
            z-index: 90;
            display: flex;
            align-items: center;
            gap: 8px;
            background: var(--accent);
            color: #fff;
            padding: 14px 26px;
            border-radius: 999px;
            box-shadow: 0 8px 24px rgba(245, 158, 11, 0.4);
            font-weight: 600;
            font-size: 15px;
            transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
            cursor: pointer;
        }
        .float-cta:hover {
            background: #d97706;
            transform: translateY(-2px);
            box-shadow: 0 12px 28px rgba(245, 158, 11, 0.5);
        }
        .float-cta:active {
            transform: scale(0.97);
        }
        .float-cta:focus-visible {
            outline: 3px solid rgba(245, 158, 11, 0.5);
            outline-offset: 2px;
        }

        .modal-overlay {
            position: fixed;
            inset: 0;
            background: rgba(12, 31, 22, 0.65);
            z-index: 200;
            display: none;
            align-items: center;
            justify-content: center;
            padding: 20px;
        }
        .modal-overlay.show {
            display: flex;
        }

        .modal-box {
            background: #fff;
            border-radius: 24px;
            max-width: 520px;
            width: 100%;
            padding: 36px 32px 32px;
            position: relative;
            box-shadow: 0 20px 60px rgba(12, 31, 22, 0.3);
        }

        .modal-close {
            position: absolute;
            top: 14px;
            right: 14px;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            border: none;
            background: var(--paper);
            color: var(--gray);
            font-size: 14px;
            cursor: pointer;
            transition: background var(--transition), color var(--transition), transform var(--transition);
        }
        .modal-close:hover {
            background: rgba(30, 142, 90, 0.1);
            color: var(--primary);
        }
        .modal-close:active {
            transform: scale(0.94);
        }
        .modal-close:focus-visible {
            outline: 2px solid var(--primary);
        }

        .modal-title {
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .modal-desc {
            color: var(--gray);
            font-size: 14px;
            margin-bottom: 24px;
        }

        .modal-box .privacy-note {
            margin-top: 16px;
            border: none;
            background: var(--paper);
            padding: 12px 14px;
        }

        /* ========== Responsive ========== */
        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr 0.9fr;
                gap: 40px;
            }
            .plan-grid {
                gap: 20px;
            }
            .plan-card {
                padding: 26px 20px 22px;
            }
            .contact-box {
                padding: 40px;
                gap: 40px;
            }
            .footer-top {
                gap: 32px;
            }
        }

        @media (max-width: 768px) {
            .brand-bar {
                height: 60px;
            }
            .logo-text {
                font-size: 19px;
            }
            .phone-line {
                display: none;
            }

            .hero {
                padding: 60px 0 70px;
            }
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 36px;
            }
            .hero-data {
                justify-content: flex-start;
            }
            .hero-card {
                max-width: 100%;
            }
            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .hero-actions .btn {
                width: 100%;
            }

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

            .intro-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .intro-visual {
                order: -1;
            }
            .intro-image-wrap img {
                height: 240px;
            }

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

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

            .contact-box {
                grid-template-columns: 1fr;
                padding: 36px 28px;
                gap: 32px;
            }

            .news-layout {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .news-side {
                padding: 28px 24px;
            }

            .footer-top {
                grid-template-columns: 1fr 1fr;
                gap: 36px;
            }
            .footer-brand {
                grid-column: span 2;
            }

            .float-cta {
                left: 0;
                right: 0;
                bottom: 0;
                border-radius: 0;
                justify-content: center;
                padding: 14px 20px;
            }

            .modal-overlay {
                align-items: flex-end;
                padding: 0;
            }
            .modal-box {
                border-radius: 24px 24px 0 0;
                padding: 32px 24px 28px;
                max-width: none;
            }
        }

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

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

            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .stat-num {
                font-size: 32px;
            }

            .contact-box {
                padding: 28px 20px;
            }

            .news-card {
                flex-direction: column;
            }
            .news-thumb {
                width: 100%;
                flex: 0 0 auto;
                height: auto;
                aspect-ratio: 16 / 9;
            }

            .footer-top {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .footer-brand {
                grid-column: auto;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }

            .cmp-row span {
                padding: 8px 10px;
                font-size: 12px;
            }
            .timeline-list li {
                padding-left: 76px;
            }

            .modal-box .privacy-note {
                flex-direction: column;
                align-items: flex-start;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #1E8E5A;
            --primary-dark: #0F6B3F;
            --accent: #F59E0B;
            --ink: #111A14;
            --paper: #F7F9F7;
            --card: #FFFFFF;
            --line: #E4EBE6;
            --surface-dark: #0C1F16;
            --radius: 16px;
            --shadow-sm: 0 2px 8px rgba(17, 26, 20, 0.04);
            --shadow-md: 0 6px 20px rgba(17, 26, 20, 0.06);
            --shadow-lg: 0 12px 32px rgba(17, 26, 20, 0.08);
            --transition: all 0.2s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'ui-sans-serif', '-apple-system', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
            background: var(--paper);
            color: var(--ink);
            line-height: 1.75;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }

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

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

        button,
        input,
        select,
        textarea {
            font-family: inherit;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }

        /* ===== Header ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 12px rgba(17, 26, 20, 0.06);
        }

        .brand-row {
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--line);
        }

        .brand-bar {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 66px;
        }

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

        .logo-mark {
            width: 38px;
            height: 38px;
            background: var(--primary);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 17px;
            flex-shrink: 0;
        }

        .logo-text {
            font-size: 22px;
            font-weight: 700;
            color: var(--ink);
            letter-spacing: -0.01em;
        }

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

        .brand-actions {
            display: flex;
            align-items: center;
            gap: 18px;
        }

        .phone-line {
            display: flex;
            align-items: center;
            gap: 8px;
            color: var(--ink);
            font-weight: 600;
            font-size: 15px;
            transition: color 0.2s;
        }

        .phone-line:hover {
            color: var(--primary);
        }

        .phone-line i {
            color: var(--primary);
        }

        .channel-row {
            background: var(--paper);
            border-bottom: 1px solid var(--line);
        }

        .channel-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 10px 1.5rem;
            max-width: 1200px;
            margin: 0 auto;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }

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

        .channel-item {
            padding: 8px 22px;
            border-radius: 999px;
            font-weight: 500;
            font-size: 14px;
            color: var(--ink);
            transition: var(--transition);
            white-space: nowrap;
            border: 1px solid transparent;
        }

        .channel-item:hover {
            background: rgba(30, 142, 90, 0.08);
            color: var(--primary);
        }

        .channel-item:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        .channel-item.active {
            background: var(--primary);
            color: #fff;
        }

        .channel-item.active:hover {
            background: var(--primary-dark);
            color: #fff;
        }

        .channel-cta {
            margin-left: auto;
            padding: 8px 22px;
            background: var(--accent);
            color: #fff;
            border-radius: 999px;
            font-weight: 600;
            font-size: 14px;
            transition: var(--transition);
            white-space: nowrap;
            border: 1px solid transparent;
        }

        .channel-cta:hover {
            background: #d97706;
            transform: translateY(-1px);
        }

        .channel-cta:active {
            transform: scale(0.98);
        }

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

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 12px;
            font-weight: 600;
            font-size: 15px;
            transition: var(--transition);
            cursor: pointer;
            border: 1px solid transparent;
            line-height: 1.4;
        }

        .btn:focus-visible {
            outline: 3px solid rgba(30, 142, 90, 0.3);
            outline-offset: 2px;
        }

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

        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(30, 142, 90, 0.2);
        }

        .btn-primary:active {
            transform: scale(0.98);
            box-shadow: none;
        }

        .btn-outline {
            border: 1px solid var(--primary);
            color: var(--primary);
            background: transparent;
        }

        .btn-outline:hover {
            background: rgba(30, 142, 90, 0.06);
        }

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

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

        .btn-accent:hover {
            background: #d97706;
            transform: translateY(-2px);
        }

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

        .btn-sm {
            padding: 8px 18px;
            font-size: 14px;
            border-radius: 10px;
        }

        .btn-lg {
            padding: 16px 36px;
            font-size: 16px;
            border-radius: 14px;
        }

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

        .arrow-link i {
            transition: transform 0.2s;
        }

        .arrow-link:hover i {
            transform: translateX(4px);
        }

        /* ===== Category Hero ===== */
        .cat-hero {
            position: relative;
            padding: 80px 0 100px;
            background: linear-gradient(135deg, #e8f5ef 0%, #f0faf4 40%, #fff8f0 100%);
            overflow: hidden;
            border-bottom: 3px solid var(--primary);
        }

        .cat-hero::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -30px;
            width: 260px;
            height: 260px;
            border-radius: 50%;
            background: rgba(30, 142, 90, 0.06);
        }

        .cat-hero::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: 10%;
            width: 160px;
            height: 160px;
            border-radius: 50%;
            background: rgba(245, 158, 11, 0.05);
        }

        .cat-hero-inner {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 60px;
            align-items: center;
        }

        .cat-hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(30, 142, 90, 0.1);
            color: var(--primary);
            padding: 6px 16px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 20px;
            border: 1px solid rgba(30, 142, 90, 0.15);
        }

        .cat-hero h1 {
            font-size: 52px;
            font-weight: 800;
            line-height: 1.15;
            color: var(--ink);
            letter-spacing: -0.02em;
            margin-bottom: 20px;
        }

        .cat-hero h1 span {
            color: var(--primary);
        }

        .cat-hero p {
            font-size: 16px;
            line-height: 1.8;
            color: #4a5568;
            max-width: 520px;
            margin-bottom: 28px;
        }

        .cat-hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        .cat-hero-image {
            position: relative;
        }

        .cat-hero-image .img-frame {
            border-radius: 20px;
            overflow: hidden;
            box-shadow: 0 16px 48px rgba(17, 26, 20, 0.12);
            position: relative;
            transform: rotate(1.5deg);
            border: 4px solid #fff;
        }

        .cat-hero-image .img-frame img {
            width: 100%;
            height: 260px;
            object-fit: cover;
        }

        .cat-hero-image .img-frame::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(12, 31, 22, 0.2), transparent 40%);
        }

        .cat-hero-image .float-tag {
            position: absolute;
            bottom: 20px;
            left: -14px;
            background: var(--accent);
            color: #fff;
            padding: 8px 18px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 600;
            box-shadow: 0 6px 20px rgba(245, 158, 11, 0.3);
            z-index: 2;
        }

        /* ===== Section Common ===== */
        .section {
            padding: 88px 0;
        }

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(30, 142, 90, 0.08);
            color: var(--primary);
            padding: 5px 14px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 700;
            letter-spacing: 0.05em;
            text-transform: uppercase;
            margin-bottom: 14px;
        }

        .section-title {
            font-size: 34px;
            font-weight: 700;
            line-height: 1.25;
            color: var(--ink);
            position: relative;
            padding-left: 16px;
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }

        .section-title::before {
            content: '';
            position: absolute;
            left: 0;
            top: 4px;
            bottom: 4px;
            width: 4px;
            background: var(--primary);
            border-radius: 4px;
        }

        .section-desc {
            font-size: 16px;
            color: #6b7280;
            line-height: 1.75;
            max-width: 640px;
            margin-bottom: 40px;
        }

        /* ===== Content Cards ===== */
        .cat-content {
            background: var(--paper);
        }

        .card-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
        }

        .news-card {
            background: var(--card);
            border-radius: 16px;
            overflow: hidden;
            border: 1px solid var(--line);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }

        .news-card:hover {
            box-shadow: 0 12px 32px rgba(17, 26, 20, 0.08);
            border-color: rgba(30, 142, 90, 0.25);
            transform: translateY(-4px);
        }

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

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

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

        .news-card-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(30, 142, 90, 0.92);
            color: #fff;
            padding: 4px 12px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 600;
            z-index: 2;
            backdrop-filter: blur(4px);
        }

        .news-card-body {
            padding: 22px 24px;
            display: flex;
            flex-direction: column;
            flex-grow: 1;
        }

        .news-card-body h3 {
            font-size: 18px;
            font-weight: 700;
            line-height: 1.4;
            color: var(--ink);
            margin-bottom: 10px;
            transition: color 0.2s;
        }

        .news-card:hover .news-card-body h3 {
            color: var(--primary);
        }

        .news-card-body p {
            font-size: 14px;
            line-height: 1.7;
            color: #6b7280;
            margin-bottom: 16px;
            flex-grow: 1;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 13px;
            color: #9ca3af;
            border-top: 1px solid var(--line);
            padding-top: 14px;
        }

        .news-card-meta .read-link {
            color: var(--primary);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: gap 0.2s;
        }

        .news-card-meta .read-link:hover {
            gap: 8px;
        }

        .load-more-wrap {
            text-align: center;
            margin-top: 44px;
        }

        /* ===== Features ===== */
        .features-section {
            background: var(--card);
            border-top: 1px solid var(--line);
            border-bottom: 1px solid var(--line);
        }

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

        .feature-item {
            padding: 36px 30px;
            border: 1px solid var(--line);
            border-radius: 16px;
            transition: var(--transition);
            background: #fff;
            position: relative;
            overflow: hidden;
        }

        .feature-item::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--primary);
            opacity: 0;
            transition: opacity 0.3s;
        }

        .feature-item:hover::before {
            opacity: 1;
        }

        .feature-item:hover {
            box-shadow: 0 12px 32px rgba(17, 26, 20, 0.08);
            transform: translateY(-3px);
        }

        .feature-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            margin-bottom: 20px;
            background: rgba(30, 142, 90, 0.1);
            color: var(--primary);
        }

        .feature-item:nth-child(2) .feature-icon {
            background: rgba(245, 158, 11, 0.12);
            color: var(--accent);
        }

        .feature-item:nth-child(3) .feature-icon {
            background: rgba(30, 142, 90, 0.08);
            color: var(--primary-dark);
        }

        .feature-item h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 10px;
            line-height: 1.35;
        }

        .feature-item p {
            font-size: 14px;
            color: #6b7280;
            line-height: 1.7;
        }

        /* ===== Stats ===== */
        .stats-section {
            background: var(--surface-dark);
            padding: 80px 0;
            position: relative;
            overflow: hidden;
        }

        .stats-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(30, 142, 90, 0.15) 0%, transparent 60%),
                url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            opacity: 0.25;
        }

        .stats-grid {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 40px;
            text-align: center;
        }

        .stat-item .stat-num {
            font-size: 52px;
            font-weight: 700;
            color: var(--accent);
            font-variant-numeric: tabular-nums;
            line-height: 1.2;
            margin-bottom: 6px;
        }

        .stat-item .stat-label {
            color: rgba(255, 255, 255, 0.6);
            font-size: 14px;
            line-height: 1.5;
        }

        .stats-divider {
            position: relative;
            z-index: 2;
            border: none;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            margin-top: 50px;
        }

        .stats-note {
            position: relative;
            z-index: 2;
            text-align: center;
            color: rgba(255, 255, 255, 0.45);
            font-size: 14px;
            margin-top: 20px;
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--paper);
        }

        .faq-list {
            max-width: 760px;
            margin: 0 auto;
        }

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

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

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 4px;
            cursor: pointer;
            font-weight: 600;
            font-size: 16px;
            color: var(--ink);
            transition: color 0.2s;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
        }

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

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

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

        .faq-toggle {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(30, 142, 90, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: var(--primary);
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }

        .faq-item.active .faq-toggle {
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
            padding: 0 4px;
        }

        .faq-answer-inner {
            padding-bottom: 22px;
            font-size: 15px;
            line-height: 1.8;
            color: #6b7280;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary-dark) 0%, #0d4a2e 100%);
            padding: 80px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -40px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            border: 30px solid rgba(255, 255, 255, 0.04);
        }

        .cta-inner {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 40px;
            flex-wrap: wrap;
        }

        .cta-text h2 {
            color: #fff;
            font-size: 32px;
            font-weight: 700;
            margin-bottom: 12px;
            line-height: 1.3;
        }

        .cta-text p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 16px;
            line-height: 1.7;
            max-width: 480px;
        }

        .cta-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--surface-dark);
            color: rgba(255, 255, 255, 0.7);
            padding-top: 60px;
        }

        .site-footer .logo-text {
            color: #fff;
        }

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

        .footer-top {
            display: grid;
            grid-template-columns: 1.4fr 0.8fr 0.8fr 0.8fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.55);
            margin-top: 16px;
            max-width: 300px;
        }

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

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

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

        .footer-col ul a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 14px;
            transition: color 0.2s;
        }

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

        .footer-col ul a:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
            border-radius: 4px;
        }

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 24px 0;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
            flex-wrap: wrap;
            gap: 8px;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .cat-hero-inner {
                grid-template-columns: 1fr;
                gap: 40px;
            }

            .cat-hero-image {
                max-width: 560px;
            }

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

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

            .stats-grid {
                grid-template-columns: 2fr 2fr;
                gap: 32px;
            }

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

        @media (max-width: 768px) {
            .brand-bar {
                height: 58px;
            }

            .logo-text {
                font-size: 19px;
            }

            .phone-line span {
                display: none;
            }

            .phone-line {
                width: 40px;
                height: 40px;
                border-radius: 50%;
                background: rgba(30, 142, 90, 0.08);
                justify-content: center;
            }

            .cat-hero {
                padding: 48px 0 60px;
            }

            .cat-hero h1 {
                font-size: 36px;
            }

            .cat-hero-image .img-frame img {
                height: 200px;
            }

            .section {
                padding: 56px 0;
            }

            .section-title {
                font-size: 26px;
            }

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

            .stat-item .stat-num {
                font-size: 38px;
            }

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

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

            .footer-top {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }

            .channel-nav {
                padding: 8px 1rem;
            }

            .channel-item {
                padding: 6px 16px;
                font-size: 13px;
            }

            .channel-cta {
                padding: 6px 16px;
                font-size: 13px;
                margin-left: 4px;
            }
        }

        @media (max-width: 480px) {
            .container {
                padding-left: 1rem;
                padding-right: 1rem;
            }

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

            .cat-hero-actions {
                flex-direction: column;
                width: 100%;
            }

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

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

            .stat-item .stat-num {
                font-size: 32px;
            }

            .news-card-body {
                padding: 16px 18px;
            }

            .news-card-body h3 {
                font-size: 16px;
            }

            .feature-item {
                padding: 24px 20px;
            }

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

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

/* roulang page: article */
:root {
            --primary: #1E8E5A;
            --primary-dark: #0F6B3F;
            --accent: #F59E0B;
            --accent-dark: #D97706;
            --ink: #111A14;
            --paper: #F7F9F7;
            --card: #FFFFFF;
            --line: #E4EBE6;
            --surface-dark: #0C1F16;
            --muted: #6B7A72;
            --radius: 16px;
            --shadow-card: 0 1px 3px rgba(17, 26, 20, 0.04);
            --shadow-hover: 0 12px 32px rgba(15, 107, 63, 0.08);
            --transition: all 0.2s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: ui-sans-serif, -apple-system, 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
            background-color: var(--paper);
            color: var(--ink);
            line-height: 1.75;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }

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

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

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            box-shadow: 0 1px 8px rgba(17, 26, 20, 0.04);
        }

        .brand-row {
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--line);
        }

        .brand-bar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
        }

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

        .logo-mark {
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            flex-shrink: 0;
            transition: var(--transition);
        }

        .logo:hover .logo-mark {
            background: var(--primary-dark);
            transform: rotate(-6deg);
        }

        .logo-text {
            font-size: 22px;
            font-weight: 700;
            color: var(--ink);
            letter-spacing: -0.02em;
            line-height: 1.2;
            white-space: nowrap;
        }

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

        .brand-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .phone-line {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--ink);
            font-weight: 600;
            font-size: 15px;
            transition: var(--transition);
        }

        .phone-line:hover {
            color: var(--primary);
        }

        .phone-line i {
            color: var(--primary);
            font-size: 16px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 999px;
            font-weight: 600;
            font-size: 15px;
            line-height: 1.4;
            border: 1px solid transparent;
            cursor: pointer;
            transition: all 0.18s ease;
            text-decoration: none;
        }

        .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(30, 142, 90, 0.25);
        }

        .btn-primary:active {
            transform: scale(0.98);
            box-shadow: none;
        }

        .btn-primary:focus-visible {
            outline: 3px solid rgba(30, 142, 90, 0.3);
            outline-offset: 2px;
        }

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

        .btn-outline:hover {
            background: rgba(30, 142, 90, 0.08);
            transform: translateY(-2px);
        }

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

        .btn-outline:focus-visible {
            outline: 3px solid rgba(30, 142, 90, 0.3);
            outline-offset: 2px;
        }

        .btn-sm {
            padding: 7px 18px;
            font-size: 14px;
        }

        .btn-block {
            width: 100%;
        }

        .channel-row {
            background: rgba(247, 249, 247, 0.96);
            border-bottom: 1px solid var(--line);
        }

        .channel-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            padding-top: 8px;
            padding-bottom: 8px;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }

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

        .channel-item {
            display: inline-flex;
            align-items: center;
            padding: 7px 18px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 500;
            color: var(--ink);
            white-space: nowrap;
            transition: var(--transition);
            border: 1px solid transparent;
        }

        .channel-item:hover {
            background: rgba(30, 142, 90, 0.08);
            color: var(--primary);
        }

        .channel-item.active {
            background: var(--primary);
            color: #fff;
            font-weight: 600;
        }

        .channel-item:focus-visible {
            outline: 3px solid rgba(30, 142, 90, 0.3);
            outline-offset: 2px;
        }

        .channel-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 7px 20px;
            border-radius: 999px;
            background: var(--accent);
            color: #111A14;
            font-size: 14px;
            font-weight: 600;
            white-space: nowrap;
            transition: var(--transition);
            border: 1px solid transparent;
        }

        .channel-cta:hover {
            background: var(--accent-dark);
            color: #fff;
            transform: translateY(-1px);
        }

        .channel-cta:active {
            transform: scale(0.98);
        }

        .channel-cta:focus-visible {
            outline: 3px solid rgba(245, 158, 11, 0.35);
            outline-offset: 2px;
        }

        /* 阅读进度条 */
        .reading-progress {
            position: fixed;
            top: 0;
            left: 0;
            height: 3px;
            width: 0;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            z-index: 200;
            transition: width 0.1s linear;
        }

        /* 面包屑 */
        .breadcrumb {
            padding: 20px 0 8px;
            font-size: 14px;
            color: var(--muted);
        }

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

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

        .breadcrumb .sep {
            margin: 0 8px;
            color: #C4CFC7;
        }

        .breadcrumb .current {
            color: var(--ink);
            font-weight: 500;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
            max-width: 400px;
            display: inline-block;
            vertical-align: bottom;
        }

        /* 文章头部 */
        .article-header {
            margin-top: 12px;
            margin-bottom: 28px;
        }

        .article-header h1 {
            font-size: 32px;
            line-height: 1.25;
            font-weight: 700;
            letter-spacing: -0.01em;
            margin-bottom: 16px;
            color: var(--ink);
        }

        .article-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 18px;
            font-size: 14px;
            color: var(--muted);
        }

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

        .article-meta i {
            color: var(--primary);
            font-size: 14px;
        }

        .badge-cat {
            display: inline-flex;
            align-items: center;
            padding: 3px 12px;
            border-radius: 999px;
            background: rgba(30, 142, 90, 0.1);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
        }

        .badge-accent {
            display: inline-flex;
            align-items: center;
            padding: 3px 12px;
            border-radius: 999px;
            background: rgba(245, 158, 11, 0.12);
            color: #B45309;
            font-size: 13px;
            font-weight: 600;
        }

        .article-cover {
            border-radius: 16px;
            overflow: hidden;
            margin: 24px 0 32px;
            box-shadow: var(--shadow-card);
        }

        .article-cover img {
            width: 100%;
            height: 380px;
            object-fit: cover;
        }

        /* 正文排版 */
        .article-content {
            max-width: 760px;
            margin-left: auto;
            margin-right: auto;
            font-size: 17px;
            line-height: 1.85;
            color: #2F3B35;
        }

        .article-content h2 {
            font-size: 26px;
            font-weight: 700;
            line-height: 1.3;
            margin: 2.2rem 0 1rem;
            color: var(--ink);
            border-left: 4px solid var(--primary);
            padding-left: 16px;
        }

        .article-content h3 {
            font-size: 21px;
            font-weight: 600;
            line-height: 1.35;
            margin: 1.8rem 0 0.875rem;
            color: var(--ink);
        }

        .article-content p {
            margin-bottom: 1.25rem;
        }

        .article-content img {
            border-radius: 12px;
            margin: 1.75rem 0;
        }

        .article-content blockquote {
            border-left: 4px solid var(--primary);
            background: rgba(30, 142, 90, 0.05);
            padding: 16px 20px;
            border-radius: 0 12px 12px 0;
            margin: 1.5rem 0;
            color: #3F4F47;
        }

        .article-content blockquote p {
            margin-bottom: 0;
        }

        .article-content ul,
        .article-content ol {
            margin: 1rem 0 1.25rem 1.5rem;
        }

        .article-content ul li,
        .article-content ol li {
            margin-bottom: 0.5rem;
        }

        .article-content ul li::marker {
            color: var(--primary);
        }

        .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5rem 0;
            font-size: 15px;
        }

        .article-content th {
            background: rgba(30, 142, 90, 0.08);
            font-weight: 600;
            text-align: left;
            color: var(--ink);
        }

        .article-content th,
        .article-content td {
            border: 1px solid var(--line);
            padding: 12px 16px;
        }

        .article-content tr:nth-child(even) td {
            background: rgba(247, 249, 247, 0.7);
        }

        .article-content a {
            color: var(--primary);
            text-decoration: underline;
            text-underline-offset: 3px;
        }

        .article-content a:hover {
            color: var(--primary-dark);
        }

        .article-content code {
            background: #EEF2EF;
            padding: 2px 8px;
            border-radius: 6px;
            font-size: 14px;
            color: #14532D;
        }

        .article-content pre {
            background: #F1F4F1;
            border-radius: 12px;
            padding: 20px;
            overflow-x: auto;
            margin: 1.5rem 0;
        }

        /* 文章导航 */
        .article-nav {
            max-width: 760px;
            margin: 40px auto 0;
            display: grid;
            grid-template-columns: 1fr auto 1fr;
            gap: 20px;
            align-items: center;
            border-top: 1px solid var(--line);
            padding-top: 24px;
        }

        .article-nav-item {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--muted);
            transition: var(--transition);
            line-height: 1.5;
        }

        .article-nav-item:hover {
            color: var(--primary);
        }

        .article-nav-item.next {
            justify-content: flex-end;
            text-align: right;
        }

        .article-nav-back {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            border-radius: 999px;
            border: 1px solid var(--line);
            background: var(--card);
            font-size: 14px;
            font-weight: 500;
            color: var(--ink);
            transition: var(--transition);
            white-space: nowrap;
        }

        .article-nav-back:hover {
            border-color: var(--primary);
            color: var(--primary);
        }

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

        /* 相关推荐 */
        .related-section {
            margin-top: 60px;
        }

        .section-title {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 26px;
            font-weight: 700;
            color: var(--ink);
            line-height: 1.25;
            margin-bottom: 8px;
        }

        .section-title::before {
            content: '';
            display: block;
            width: 4px;
            height: 24px;
            background: var(--primary);
            border-radius: 2px;
        }

        .section-subtitle {
            color: var(--muted);
            font-size: 15px;
            margin-bottom: 28px;
            padding-left: 16px;
        }

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

        .card-vertical {
            background: var(--card);
            border: 1px solid var(--line);
            border-radius: var(--radius);
            overflow: hidden;
            transition: var(--transition);
            box-shadow: var(--shadow-card);
        }

        .card-vertical:hover {
            box-shadow: var(--shadow-hover);
            border-color: rgba(30, 142, 90, 0.25);
            transform: translateY(-4px);
        }

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

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

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

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

        .card-vertical .card-title {
            font-size: 17px;
            font-weight: 600;
            line-height: 1.4;
            margin-bottom: 8px;
            color: var(--ink);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .card-vertical .card-summary {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.65;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 14px;
        }

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

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

        /* FAQ */
        .faq-section {
            background: var(--card);
            border-top: 1px solid var(--line);
            border-bottom: 1px solid var(--line);
            padding: 60px 0;
        }

        .faq-list {
            max-width: 820px;
            margin: 0 auto;
        }

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

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

        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 18px 4px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 500;
            color: var(--ink);
            transition: var(--transition);
            border: none;
            background: none;
            width: 100%;
            text-align: left;
        }

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

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(30, 142, 90, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 14px;
            transition: transform 0.3s ease;
        }

        .faq-item.open .faq-icon {
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
        }

        .faq-answer-inner {
            padding: 0 4px 18px;
            color: var(--muted);
            font-size: 15px;
            line-height: 1.8;
        }

        /* CTA */
        .cta-section {
            background: var(--surface-dark);
            padding: 60px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            opacity: 0.12;
        }

        .cta-wrap {
            position: relative;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .cta-info h2 {
            color: #fff;
            font-size: 30px;
            font-weight: 700;
            line-height: 1.25;
            margin-bottom: 12px;
        }

        .cta-info p {
            color: rgba(255, 255, 255, 0.78);
            font-size: 15px;
            line-height: 1.8;
            margin-bottom: 20px;
        }

        .cta-info .privacy-line {
            display: flex;
            align-items: center;
            gap: 8px;
            color: rgba(255, 255, 255, 0.55);
            font-size: 13px;
        }

        .cta-form {
            background: var(--card);
            border-radius: 16px;
            padding: 32px;
            box-shadow: 0 24px 60px rgba(0, 0, 0, 0.25);
        }

        .form-group {
            margin-bottom: 16px;
        }

        .form-group label {
            display: block;
            font-size: 14px;
            font-weight: 500;
            margin-bottom: 6px;
            color: var(--ink);
        }

        .form-control {
            width: 100%;
            height: 48px;
            border: 1px solid var(--line);
            border-radius: 12px;
            padding: 0 16px;
            font-size: 15px;
            color: var(--ink);
            background: #FAFBFA;
            transition: all 0.2s ease;
            outline: none;
        }

        .form-control:focus {
            border-color: var(--primary);
            background: #fff;
            box-shadow: 0 0 0 3px rgba(30, 142, 90, 0.12);
        }

        .form-control::placeholder {
            color: #A3AEA6;
        }

        select.form-control {
            appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' fill='none' stroke='%236B7A72' stroke-width='2' viewBox='0 0 24 24'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 16px center;
            cursor: pointer;
        }

        /* 悬浮 CTA */
        .float-cta {
            position: fixed;
            right: 24px;
            bottom: 24px;
            z-index: 100;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 24px;
            border-radius: 999px;
            background: var(--accent);
            color: #111A14;
            font-weight: 600;
            font-size: 15px;
            box-shadow: 0 8px 24px rgba(245, 158, 11, 0.35);
            transition: all 0.2s ease;
            border: 1px solid transparent;
        }

        .float-cta:hover {
            background: var(--accent-dark);
            color: #fff;
            transform: translateY(-3px);
            box-shadow: 0 14px 30px rgba(217, 119, 6, 0.35);
        }

        .float-cta:active {
            transform: scale(0.97);
        }

        .float-cta:focus-visible {
            outline: 3px solid rgba(245, 158, 11, 0.4);
            outline-offset: 2px;
        }

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

        .footer-top {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-brand .logo {
            margin-bottom: 14px;
        }

        .footer-brand .logo-text {
            color: #fff;
        }

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

        .footer-brand p {
            font-size: 14px;
            line-height: 1.75;
            color: rgba(255, 255, 255, 0.55);
            max-width: 260px;
        }

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

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

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

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

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

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 0;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
            flex-wrap: wrap;
            gap: 8px;
        }

        /* 内容为空 */
        .not-found {
            max-width: 640px;
            margin: 60px auto;
            text-align: center;
            padding: 48px 32px;
            background: var(--card);
            border: 1px solid var(--line);
            border-radius: 20px;
        }

        .not-found i {
            font-size: 44px;
            color: var(--primary);
            margin-bottom: 16px;
            display: block;
        }

        .not-found h2 {
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .not-found p {
            color: var(--muted);
            margin-bottom: 20px;
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .footer-top {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }

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

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

        @media (max-width: 768px) {
            .container {
                padding-left: 1rem;
                padding-right: 1rem;
            }

            .brand-bar {
                height: 58px;
            }

            .logo-mark {
                width: 34px;
                height: 34px;
                font-size: 15px;
                border-radius: 10px;
            }

            .logo-text {
                font-size: 19px;
            }

            .phone-line span {
                display: none;
            }

            .phone-line {
                width: 40px;
                height: 40px;
                border-radius: 50%;
                background: rgba(30, 142, 90, 0.08);
                justify-content: center;
            }

            .article-header h1 {
                font-size: 24px;
            }

            .article-cover img {
                height: 220px;
            }

            .article-meta {
                gap: 12px;
                font-size: 13px;
                flex-wrap: wrap;
            }

            .article-nav {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .article-nav-back {
                display: none;
            }

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

            .float-cta {
                left: 0;
                right: 0;
                bottom: 0;
                border-radius: 0;
                justify-content: center;
                padding: 14px 16px;
                box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.08);
            }

            body {
                padding-bottom: 56px;
            }

            .footer-top {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }

            .section-title {
                font-size: 22px;
            }
        }

        @media (max-width: 520px) {
            .brand-actions .btn-sm {
                padding: 6px 14px;
                font-size: 13px;
            }

            .breadcrumb .current {
                max-width: 200px;
            }

            .article-content {
                font-size: 16px;
            }

            .article-content h2 {
                font-size: 22px;
            }

            .article-content h3 {
                font-size: 18px;
            }

            .cta-form {
                padding: 24px 20px;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #1E8E5A;
            --primary-dark: #0F6B3F;
            --accent: #F59E0B;
            --ink: #111A14;
            --paper: #F7F9F7;
            --card: #FFFFFF;
            --line: #E4EBE6;
            --surface-dark: #0C1F16;
            --radius: 16px;
            --shadow-card: 0 2px 12px rgba(17, 26, 20, 0.05);
            --shadow-hover: 0 12px 32px rgba(30, 142, 90, 0.10);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: ui-sans-serif, system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            background: var(--paper);
            color: var(--ink);
            line-height: 1.75;
            font-size: 16px;
            padding-bottom: 0;
        }

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

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

        ul,
        ol {
            list-style: none;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 2rem;
        }

        /* ===== Header ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
        }

        .brand-row {
            background: rgba(255, 255, 255, 0.88);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--line);
        }

        .brand-bar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
        }

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

        .logo-mark {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 17px;
            flex-shrink: 0;
        }

        .logo-text {
            font-size: 22px;
            font-weight: 700;
            letter-spacing: -0.02em;
            color: var(--ink);
            line-height: 1.2;
            white-space: nowrap;
        }

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

        .phone-line {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--ink);
            font-weight: 600;
            font-size: 15px;
            transition: color 0.2s;
        }

        .phone-line:hover {
            color: var(--primary);
        }

        .channel-row {
            background: #f1f4f1;
            border-bottom: 1px solid var(--line);
        }

        .channel-nav {
            display: flex;
            align-items: center;
            gap: 10px;
            height: 56px;
            overflow-x: auto;
            scrollbar-width: none;
            -webkit-overflow-scrolling: touch;
        }

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

        .channel-item {
            flex-shrink: 0;
            padding: 8px 18px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 500;
            color: #374151;
            background: transparent;
            border: 1px solid transparent;
            transition: all 0.2s ease;
            line-height: 1.4;
        }

        .channel-item:hover {
            background: #e2e9e3;
            color: var(--primary-dark);
        }

        .channel-item:focus-visible {
            outline: 3px solid rgba(30, 142, 90, 0.3);
            outline-offset: 2px;
        }

        .channel-item.active {
            background: var(--primary);
            color: #fff;
        }

        .channel-cta {
            flex-shrink: 0;
            margin-left: auto;
            padding: 8px 20px;
            border-radius: 999px;
            background: var(--accent);
            color: #111;
            font-weight: 600;
            font-size: 14px;
            border: 1px solid transparent;
            transition: all 0.2s ease;
            line-height: 1.4;
        }

        .channel-cta:hover {
            background: var(--accent);
            color: #fff;
            background-color: #d97706;
            transform: translateY(-1px);
        }

        .channel-cta:active {
            transform: scale(0.98);
        }

        .channel-cta:focus-visible {
            outline: 3px solid rgba(245, 158, 11, 0.4);
            outline-offset: 2px;
        }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border-radius: 12px;
            padding: 14px 26px;
            font-size: 15px;
            font-weight: 600;
            line-height: 1.2;
            border: 1px solid transparent;
            transition: all 0.18s ease;
            cursor: pointer;
        }

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

        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-1px);
        }

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

        .btn-primary:focus-visible {
            outline: 3px solid rgba(30, 142, 90, 0.35);
            outline-offset: 2px;
        }

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

        .btn-outline:hover {
            background: rgba(30, 142, 90, 0.06);
            border-color: var(--primary-dark);
            color: var(--primary-dark);
        }

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

        .btn-outline:focus-visible {
            outline: 3px solid rgba(30, 142, 90, 0.3);
            outline-offset: 2px;
        }

        .btn-lg {
            padding: 16px 34px;
            font-size: 16px;
            border-radius: 14px;
        }

        .btn-sm {
            padding: 8px 16px;
            font-size: 14px;
            border-radius: 10px;
        }

        /* ===== Section ===== */
        .section {
            padding: 5rem 0;
        }

        .section-head {
            margin-bottom: 2.5rem;
        }

        .section-title {
            font-size: 2rem;
            font-weight: 700;
            line-height: 1.25;
            margin-bottom: 0.5rem;
            letter-spacing: -0.01em;
        }

        .section-sub {
            color: #6b7280;
            font-size: 16px;
        }

        .title-bar {
            border-left: 4px solid var(--primary);
            padding-left: 16px;
        }

        /* ===== Cards ===== */
        .card {
            background: var(--card);
            border: 1px solid var(--line);
            border-radius: var(--radius);
            box-shadow: var(--shadow-card);
            transition: box-shadow 0.25s ease, border-color 0.25s ease;
            overflow: hidden;
        }

        .card:hover {
            box-shadow: var(--shadow-hover);
            border-color: rgba(30, 142, 90, 0.25);
        }

        .badge {
            display: inline-flex;
            align-items: center;
            padding: 5px 12px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 600;
            background: rgba(30, 142, 90, 0.1);
            color: var(--primary);
            line-height: 1.4;
        }

        .arrow-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            transition: gap 0.2s ease;
        }

        .arrow-link i {
            font-size: 12px;
            transition: transform 0.2s ease;
        }

        .arrow-link:hover i {
            transform: translateX(4px);
        }

        .arrow-link:focus-visible {
            outline: 3px solid rgba(30, 142, 90, 0.3);
            outline-offset: 2px;
            border-radius: 4px;
        }

        /* ===== Category Hero ===== */
        .category-hero {
            position: relative;
            background-color: #0c1f16;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            padding: 4.5rem 0 5rem;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(12, 31, 22, 0.92) 15%, rgba(15, 107, 63, 0.72) 58%, rgba(30, 142, 90, 0.45) 100%);
        }

        .category-hero::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: var(--accent);
            z-index: 2;
        }

        .hero-inner {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            gap: 3.5rem;
        }

        .hero-copy {
            flex: 1.15;
        }

        .hero-visual {
            flex: 0.85;
            position: relative;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.14);
            border: 1px solid rgba(255, 255, 255, 0.22);
            color: #f3fff7;
            border-radius: 999px;
            padding: 6px 14px;
            font-size: 13px;
            font-weight: 500;
            backdrop-filter: blur(6px);
            margin-bottom: 20px;
        }

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

        .hero-title {
            font-size: 2.6rem;
            font-weight: 700;
            line-height: 1.2;
            color: #fff;
            letter-spacing: -0.02em;
            margin-bottom: 1rem;
        }

        .hero-desc {
            color: rgba(255, 255, 255, 0.82);
            font-size: 16px;
            line-height: 1.8;
            max-width: 520px;
            margin-bottom: 2rem;
        }

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

        .hero-actions .btn-outline {
            border-color: rgba(255, 255, 255, 0.55);
            color: #fff;
        }

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

        .hero-visual img {
            border-radius: 20px;
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
            border: 1px solid rgba(255, 255, 255, 0.18);
        }

        .hero-visual::before {
            content: '';
            position: absolute;
            top: -22px;
            right: -22px;
            width: 120px;
            height: 120px;
            border-radius: 50%;
            border: 3px dashed rgba(245, 158, 11, 0.6);
            z-index: -1;
        }

        .breadcrumb {
            position: relative;
            z-index: 2;
            padding-top: 1rem;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            display: flex;
            gap: 6px;
            align-items: center;
        }

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

        .breadcrumb span {
            margin: 0 4px;
        }

        /* ===== Feature Grid ===== */
        .feature-item {
            padding: 28px 22px;
            border-radius: var(--radius);
            background: #fff;
            border: 1px solid var(--line);
            transition: box-shadow 0.25s ease, transform 0.25s ease;
        }

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

        .feature-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: rgba(30, 142, 90, 0.1);
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            margin-bottom: 18px;
        }

        .feature-item h3 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .feature-item p {
            color: #6b7280;
            font-size: 14px;
            line-height: 1.7;
        }

        /* ===== Topic Cards ===== */
        .topic-card .card-body {
            padding: 24px;
        }

        .topic-card h3 {
            font-size: 18px;
            font-weight: 600;
            line-height: 1.35;
            margin-bottom: 8px;
        }

        .topic-card h3 a:hover {
            color: var(--primary);
        }

        .topic-card p {
            color: #6b7280;
            font-size: 14px;
            line-height: 1.75;
            margin-bottom: 16px;
        }

        .topic-card .meta-line {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-top: 4px;
        }

        .load-more-wrap {
            text-align: center;
            margin-top: 3rem;
        }

        /* ===== Stats Band ===== */
        .stats-band {
            background-color: var(--surface-dark);
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            position: relative;
            padding: 4.5rem 0;
        }

        .stats-band::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(12, 31, 22, 0.9);
        }

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

        .stat-item {
            text-align: center;
            padding: 1rem 0;
        }

        .stat-number {
            font-size: 3rem;
            font-weight: 700;
            color: var(--accent);
            line-height: 1.1;
            font-variant-numeric: tabular-nums;
            letter-spacing: -0.02em;
        }

        .stat-label {
            color: rgba(255, 255, 255, 0.72);
            font-size: 15px;
            margin-top: 8px;
        }

        .stats-note {
            text-align: center;
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            margin-top: 2.5rem;
            padding-top: 1.5rem;
            color: rgba(255, 255, 255, 0.5);
            font-size: 14px;
        }

        /* ===== Scenario Section ===== */
        .scenario-card {
            border: 1px solid var(--line);
            border-radius: var(--radius);
            padding: 28px 24px;
            background: #fff;
            transition: box-shadow 0.25s ease, border-color 0.25s ease;
        }

        .scenario-card:hover {
            box-shadow: var(--shadow-hover);
            border-color: rgba(30, 142, 90, 0.22);
        }

        .scenario-card .num {
            font-size: 14px;
            font-weight: 700;
            color: var(--accent);
            display: block;
            margin-bottom: 6px;
        }

        .scenario-card h3 {
            font-size: 18px;
            font-weight: 700;
            line-height: 1.35;
            margin-bottom: 10px;
        }

        .scenario-card p {
            color: #6b7280;
            font-size: 14px;
            line-height: 1.7;
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: #fff;
            border-top: 1px solid var(--line);
            border-bottom: 1px solid var(--line);
        }

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

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

        .faq-summary {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 0;
            font-weight: 600;
            font-size: 17px;
            cursor: pointer;
            list-style: none;
            transition: color 0.2s;
            line-height: 1.5;
        }

        .faq-summary::-webkit-details-marker {
            display: none;
        }

        .faq-item[open] .faq-summary {
            color: var(--primary);
        }

        .faq-icon {
            display: inline-flex;
            width: 30px;
            height: 30px;
            border-radius: 50%;
            border: 1px solid var(--line);
            align-items: center;
            justify-content: center;
            font-style: normal;
            transition: transform 0.3s ease, border-color 0.3s;
            flex-shrink: 0;
            font-size: 16px;
            color: #6b7280;
            margin-left: 14px;
        }

        .faq-item[open] .faq-icon {
            transform: rotate(45deg);
            border-color: var(--primary);
            color: var(--primary);
        }

        .faq-answer {
            padding: 0 0 24px;
            color: #4b5563;
            line-height: 1.85;
            font-size: 15px;
        }

        /* ===== Contact ===== */
        .contact-card {
            display: grid;
            grid-template-columns: 1fr 1fr;
        }

        .contact-intro {
            background: var(--surface-dark);
            color: #fff;
            padding: 44px;
            position: relative;
            overflow: hidden;
        }

        .contact-intro::after {
            content: '\f4ad';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            position: absolute;
            right: -30px;
            bottom: -30px;
            font-size: 160px;
            opacity: 0.06;
            color: #fff;
            line-height: 1;
        }

        .contact-intro h2 {
            font-size: 26px;
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 14px;
            color: #f0fff5;
        }

        .contact-intro p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 15px;
            line-height: 1.8;
            margin-bottom: 24px;
        }

        .privacy-note {
            display: flex;
            gap: 10px;
            align-items: flex-start;
            color: rgba(255, 255, 255, 0.55);
            font-size: 13px;
            line-height: 1.7;
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 18px;
            margin-top: 12px;
        }

        .privacy-note i {
            color: var(--accent);
            font-size: 16px;
            flex-shrink: 0;
            margin-top: 2px;
        }

        .contact-form {
            padding: 44px;
        }

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

        .form-label {
            display: block;
            font-size: 14px;
            font-weight: 600;
            color: var(--ink);
            margin-bottom: 8px;
        }

        .form-control {
            width: 100%;
            height: 48px;
            border: 1px solid var(--line);
            border-radius: 12px;
            padding: 0 14px;
            font-size: 15px;
            background: #fff;
            color: var(--ink);
            transition: border-color 0.2s, box-shadow 0.2s;
            outline: none;
            font-family: inherit;
        }

        .form-control:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 4px rgba(30, 142, 90, 0.14);
        }

        .form-control::placeholder {
            color: #9ca3af;
        }

        textarea.form-control {
            height: auto;
            padding: 12px 14px;
            resize: vertical;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--surface-dark);
            color: #9caab0;
            padding-top: 4.5rem;
        }

        .footer-top {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: 2.5rem;
            padding-bottom: 2.5rem;
        }

        .footer-brand .logo-text {
            color: #fff;
        }

        .footer-brand p {
            margin-top: 1rem;
            color: #94a39a;
            font-size: 15px;
            max-width: 320px;
            line-height: 1.8;
        }

        .footer-col h4 {
            color: #e5f0e8;
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 1.1rem;
        }

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

        .footer-col a {
            color: #94a39a;
            font-size: 15px;
            transition: color 0.2s;
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding: 1.3rem 0;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px;
            color: #6c7e75;
            font-size: 14px;
        }

        /* ===== Floating CTA ===== */
        .float-cta {
            position: fixed;
            right: 24px;
            bottom: 24px;
            z-index: 80;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 24px;
            background: var(--accent);
            color: #111;
            border-radius: 999px;
            font-weight: 600;
            font-size: 15px;
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.14);
            transition: all 0.2s ease;
            border: 1px solid transparent;
        }

        .float-cta:hover {
            background: #d97706;
            color: #fff;
            transform: translateY(-2px);
        }

        .float-cta:active {
            transform: scale(0.97);
        }

        .float-cta:focus-visible {
            outline: 3px solid rgba(245, 158, 11, 0.5);
            outline-offset: 2px;
        }

        .mobile-cta {
            display: none;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .hero-title {
                font-size: 2.1rem;
            }

            .hero-inner {
                gap: 2rem;
            }
        }

        @media (max-width: 768px) {
            .container {
                padding: 0 1.5rem;
            }

            .brand-bar {
                height: 62px;
            }

            .phone-line span {
                display: none;
            }

            .channel-nav {
                height: 52px;
                gap: 8px;
            }

            .hero-inner {
                flex-direction: column;
                gap: 2rem;
            }

            .hero-copy {
                flex: none;
            }

            .hero-visual {
                flex: none;
                width: 100%;
                max-width: 480px;
            }

            .hero-visual::before {
                top: -14px;
                right: -14px;
                width: 84px;
                height: 84px;
            }

            .category-hero {
                padding: 3rem 0 3.5rem;
            }

            .section {
                padding: 3.5rem 0;
            }

            .contact-card {
                grid-template-columns: 1fr;
            }

            .contact-intro,
            .contact-form {
                padding: 32px;
            }

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

            .stats-band {
                padding: 3.5rem 0;
            }

            .stat-number {
                font-size: 2.4rem;
            }
        }

        @media (max-width: 640px) {
            .container {
                padding: 0 1.25rem;
            }

            .section-title {
                font-size: 1.6rem;
            }

            .hero-title {
                font-size: 1.7rem;
            }

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

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

            .footer-top {
                grid-template-columns: 1fr;
                gap: 2rem;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }

            .float-cta {
                display: none;
            }

            .mobile-cta {
                display: flex;
                position: fixed;
                bottom: 0;
                left: 0;
                right: 0;
                z-index: 80;
                background: var(--primary);
                color: #fff;
                align-items: center;
                justify-content: center;
                gap: 8px;
                padding: 14px;
                font-weight: 600;
                font-size: 15px;
                box-shadow: 0 -4px 16px rgba(0, 0, 0, 0.08);
                border: none;
                border-radius: 0;
            }

            .mobile-cta:hover {
                background: var(--primary-dark);
                color: #fff;
            }

            .mobile-cta:active {
                background: var(--primary-dark);
            }

            body {
                padding-bottom: 52px;
            }

            .site-footer {
                padding-top: 3rem;
            }

            .contact-intro,
            .contact-form {
                padding: 26px 20px;
            }
        }