/* roulang page: index */
:root {
            --primary: #1F4A3F;
            --primary-dark: #142B25;
            --primary-light: #2C6A5B;
            --accent: #F2A03D;
            --accent-light: #F4B860;
            --bg-warm: #F7F4EF;
            --bg-card: #FFFFFF;
            --bg-card-alt: #FBF9F4;
            --text-main: #142B25;
            --text-weak: #6A7A72;
            --text-light: #CFE3DA;
            --border: rgba(31, 74, 63, 0.10);
            --border-strong: rgba(31, 74, 63, 0.15);
            --radius-card: 16px;
            --radius-lg: 24px;
            --radius-pill: 999px;
            --shadow-sm: 0 2px 6px rgba(31, 74, 63, 0.06);
            --shadow-md: 0 16px 32px rgba(31, 74, 63, 0.10);
            --shadow-lg: 0 24px 48px rgba(31, 74, 63, 0.16);
            --font-main: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            --font-num: "Helvetica Neue", Arial, sans-serif;
            --space-section: 88px;
            --space-section-mobile: 56px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-main);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-main);
            background: var(--bg-warm);
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color .2s ease;
        }

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

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

        input,
        button {
            font-family: inherit;
            font-size: 16px;
        }

        button {
            cursor: pointer;
            border: none;
        }

        ul,
        ol {
            list-style: none;
        }

        .grid-container {
            max-width: 1200px;
            padding-left: 24px;
            padding-right: 24px;
        }

        .section {
            padding: var(--space-section) 0;
        }

        .section-tight {
            padding: 48px 0;
        }

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

        .section-white {
            background: #fff;
        }

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

        .text-center {
            text-align: center;
        }

        .h1,
        .h2,
        .h3,
        .h4,
        h1,
        h2,
        h3,
        h4 {
            font-family: var(--font-main);
            color: var(--text-main);
            line-height: 1.3;
            margin: 0 0 12px;
        }

        h1 {
            font-size: 48px;
            font-weight: 700;
        }

        h2 {
            font-size: 34px;
            font-weight: 700;
        }

        h3 {
            font-size: 24px;
            font-weight: 600;
        }

        p {
            margin-bottom: 12px;
        }

        .lead {
            font-size: 17px;
            color: var(--text-weak);
        }

        /* Buttons */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            padding: 14px 28px;
            border-radius: var(--radius-pill);
            font-size: 15px;
            font-weight: 700;
            line-height: 1.2;
            border: 2px solid transparent;
            transition: all .25s ease;
            text-decoration: none;
            cursor: pointer;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--accent), var(--accent-light));
            color: var(--primary);
            box-shadow: var(--shadow-sm);
        }

        .btn-primary:hover,
        .btn-primary:focus {
            color: var(--primary);
            background: linear-gradient(135deg, #f4a94d, #f6bd6d);
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .btn-primary:active {
            transform: translateY(2px);
            box-shadow: var(--shadow-sm);
        }

        .btn-primary:focus-visible {
            outline: 3px solid rgba(242, 160, 61, 0.5);
            outline-offset: 2px;
        }

        .btn-outline {
            border: 2px solid rgba(255, 255, 255, 0.7);
            color: #fff;
            background: transparent;
        }

        .btn-outline:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: #fff;
            color: #fff;
        }

        .btn-outline-dark {
            border: 2px solid var(--primary);
            color: var(--primary);
            background: transparent;
        }

        .btn-outline-dark:hover {
            background: rgba(31, 74, 63, 0.06);
            color: var(--primary);
        }

        .btn-ghost {
            border: 2px solid rgba(242, 160, 61, 0.6);
            color: var(--accent);
            background: transparent;
        }

        .btn-ghost:hover {
            background: rgba(242, 160, 61, 0.08);
            color: var(--accent);
        }

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

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

        .btn-block {
            width: 100%;
        }

        /* Tags & Badges */
        .tag {
            display: inline-flex;
            align-items: center;
            padding: 6px 14px;
            border-radius: var(--radius-pill);
            font-size: 14px;
            font-weight: 600;
            letter-spacing: 0.08em;
            line-height: 1.2;
            background: rgba(31, 74, 63, 0.08);
            color: var(--primary);
        }

        .tag-accent {
            background: rgba(242, 160, 61, 0.15);
            color: #b9690a;
        }

        .tag-white {
            background: rgba(255, 255, 255, 0.15);
            color: #fff;
        }

        .tag-sm {
            padding: 4px 10px;
            font-size: 12px;
        }

        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            height: 56px;
            display: flex;
            align-items: stretch;
            background: var(--primary);
        }

        .header-inner {
            width: 100%;
            max-width: 1440px;
            margin: 0 auto;
            display: flex;
            align-items: stretch;
            justify-content: space-between;
            padding: 0 24px;
        }

        .header-left {
            display: flex;
            align-items: center;
            gap: 28px;
            background: var(--primary);
            padding-right: 24px;
        }

        .header-right {
            display: flex;
            align-items: center;
            gap: 14px;
            background: var(--bg-warm);
            padding-left: 24px;
            margin-right: -24px;
            padding-right: 24px;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            color: #fff;
            font-weight: 700;
            font-size: 18px;
            white-space: nowrap;
        }

        .brand-logo:hover {
            color: var(--accent-light);
        }

        .logo-mark {
            width: 30px;
            height: 30px;
            border-radius: 50%;
            background: radial-gradient(circle at 35% 35%, #fff 0 8px, var(--accent) 9px 12px, transparent 13px);
            border: 2px solid var(--accent);
            position: relative;
            flex-shrink: 0;
        }

        .logo-mark::after {
            content: "";
            position: absolute;
            width: 16px;
            height: 2px;
            background: rgba(255, 255, 255, 0.8);
            transform: rotate(30deg);
            top: 13px;
            left: 6px;
            border-radius: 2px;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 22px;
        }

        .main-nav a {
            color: rgba(255, 255, 255, 0.85);
            font-size: 15px;
            font-weight: 600;
            padding: 6px 2px;
            position: relative;
        }

        .main-nav a:hover,
        .main-nav a.active {
            color: var(--accent-light);
        }

        .main-nav a.active::after {
            content: "";
            position: absolute;
            left: 0;
            right: 0;
            bottom: -3px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }

        .search-toggle {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            color: var(--primary);
            transition: background .2s;
        }

        .search-toggle:hover {
            background: rgba(31, 74, 63, 0.08);
        }

        .btn-header {
            padding: 8px 22px;
            border-radius: var(--radius-pill);
            background: linear-gradient(135deg, var(--accent), var(--accent-light));
            color: var(--primary);
            font-weight: 700;
            font-size: 14px;
            box-shadow: var(--shadow-sm);
            transition: all .25s;
        }

        .btn-header:hover {
            color: var(--primary);
            transform: translateY(-1px);
            box-shadow: var(--shadow-md);
        }

        .mobile-menu-btn {
            display: none;
            background: transparent;
            border: none;
            color: #fff;
            width: 38px;
            height: 38px;
            font-size: 24px;
            align-items: center;
            justify-content: center;
        }

        .mobile-nav {
            display: none;
            background: var(--primary-dark);
            padding: 12px 24px;
            flex-direction: column;
            gap: 4px;
        }

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

        .mobile-nav a {
            color: rgba(255, 255, 255, 0.85);
            padding: 10px 0;
            font-weight: 600;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

        .mobile-nav a:last-child {
            border-bottom: none;
        }

        /* Hero */
        .hero {
            background: var(--primary);
            position: relative;
            overflow: hidden;
        }

        .hero::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 50%;
            height: 100%;
            background-image: linear-gradient(135deg, rgba(255, 255, 255, 0.045) 25%, transparent 25%, transparent 50%, rgba(255, 255, 255, 0.045) 50%, rgba(255, 255, 255, 0.045) 75%, transparent 75%);
            background-size: 30px 30px;
            z-index: 1;
        }

        .hero-inner {
            position: relative;
            z-index: 2;
            max-width: 1440px;
            margin: 0 auto;
            display: flex;
            min-height: 600px;
        }

        .hero-left {
            width: 50%;
            padding: 80px 40px 64px 48px;
            color: #fff;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .hero-right {
            width: 50%;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 48px;
        }

        .hero-right::before {
            content: "";
            position: absolute;
            inset: 0;
            background: rgba(247, 244, 239, 0.78);
        }

        .hero-left .h1 {
            font-size: 48px;
            font-weight: 700;
            color: #fff;
            line-height: 1.2;
            margin-bottom: 20px;
        }

        .hero-sub {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.78);
            max-width: 320px;
            font-weight: 400;
            margin-bottom: 32px;
        }

        .hero-btns {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 32px;
        }

        .hero-stats {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
        }

        .hero-stat {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .hero-stat strong {
            font-size: 22px;
            font-weight: 700;
            color: var(--accent);
            font-family: var(--font-num);
            font-variant-numeric: tabular-nums;
        }

        .hero-stat span {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.6);
            letter-spacing: 0.04em;
        }

        /* Login Preview Card */
        .login-card {
            position: relative;
            z-index: 2;
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: 0 24px 64px rgba(31, 74, 63, 0.22);
            padding: 34px 30px;
            width: 100%;
            max-width: 340px;
            transform: translateX(-24px);
        }

        .login-card::before {
            content: "";
            position: absolute;
            top: -22px;
            right: -18px;
            width: 120px;
            height: 120px;
            border-radius: 50%;
            background: rgba(242, 160, 61, 0.25);
            transform: rotate(45deg);
            z-index: -1;
        }

        .login-card-header {
            text-align: center;
            margin-bottom: 18px;
        }

        .login-card-header h4 {
            font-size: 20px;
            color: var(--primary);
            margin-bottom: 2px;
        }

        .login-card-header p {
            font-size: 13px;
            color: var(--text-weak);
        }

        .form-group {
            margin-bottom: 14px;
        }

        .form-group label {
            display: block;
            font-size: 13px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 6px;
            letter-spacing: 0.02em;
        }

        .form-control {
            width: 100%;
            height: 46px;
            border-radius: 10px;
            background: #F3F0E8;
            border: 1px solid rgba(31, 74, 63, 0.15);
            padding: 0 14px;
            font-size: 15px;
            color: var(--text-main);
            transition: border-color .2s, box-shadow .2s;
            outline: none;
        }

        .form-control::placeholder {
            color: #a3ada8;
        }

        .form-control:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(31, 74, 63, 0.12);
        }

        .login-card .btn {
            width: 100%;
            margin-top: 10px;
        }

        .divider {
            display: flex;
            align-items: center;
            gap: 10px;
            margin: 18px 0 12px;
            color: #a3ada8;
            font-size: 12px;
        }

        .divider::before,
        .divider::after {
            content: "";
            flex: 1;
            height: 1px;
            background: rgba(31, 74, 63, 0.1);
        }

        .social-login {
            display: flex;
            gap: 12px;
            justify-content: center;
        }

        .social-icon {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            border: 1px solid rgba(31, 74, 63, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--bg-card-alt);
            color: var(--primary);
            font-size: 16px;
            transition: all .2s;
        }

        .social-icon:hover {
            background: rgba(31, 74, 63, 0.06);
            border-color: var(--primary);
        }

        /* Features */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(12, 1fr);
            gap: 24px;
        }

        .feature-card {
            background: #fff;
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            padding: 28px;
            transition: all .3s ease;
            position: relative;
            overflow: hidden;
        }

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

        .feature-card.feature-main {
            grid-column: span 6;
            grid-row: span 2;
            padding: 0;
            display: flex;
            flex-direction: column;
        }

        .feature-card.feature-main .feature-img {
            aspect-ratio: 4/3;
            background: url('/assets/images/coverpic/cover-1.png') center/cover;
            position: relative;
        }

        .feature-card.feature-main .feature-img::after {
            content: "99%";
            position: absolute;
            top: 14px;
            right: 14px;
            background: var(--primary);
            color: var(--accent);
            border-radius: 10px;
            padding: 8px 14px;
            font-weight: 800;
            font-size: 20px;
            font-family: var(--font-num);
            box-shadow: var(--shadow-sm);
        }

        .feature-main-content {
            padding: 28px;
            flex: 1;
        }

        .feature-card:nth-child(2) {
            grid-column: span 3;
        }

        .feature-card:nth-child(3) {
            grid-column: span 3;
        }

        .feature-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 16px;
            color: var(--accent);
        }

        .feature-icon svg {
            width: 24px;
            height: 24px;
        }

        .feature-card h3 {
            font-size: 22px;
            font-weight: 600;
            margin-bottom: 10px;
        }

        .feature-card p {
            font-size: 15px;
            color: var(--text-weak);
            line-height: 1.7;
        }

        /* Demo */
        .demo-row {
            display: flex;
            align-items: center;
            gap: 60px;
            margin-bottom: 72px;
        }

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

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

        .demo-text {
            flex: 1;
        }

        .demo-text h3 {
            font-size: 26px;
            margin-bottom: 12px;
        }

        .demo-text p {
            max-width: 420px;
            margin-bottom: 16px;
        }

        .demo-list {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .demo-list li {
            display: flex;
            align-items: flex-start;
            gap: 8px;
            font-size: 15px;
        }

        .demo-list li::before {
            content: "";
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--accent);
            margin-top: 8px;
            flex-shrink: 0;
        }

        .demo-visual {
            flex: 1;
            border-radius: var(--radius-lg);
            background: #fff;
            box-shadow: var(--shadow-md);
            overflow: hidden;
        }

        .demo-browser-bar {
            height: 42px;
            background: #2b2f32;
            display: flex;
            align-items: center;
            padding: 0 16px;
            gap: 6px;
        }

        .demo-browser-bar span {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            display: inline-block;
        }

        .demo-browser-bar span:nth-child(1) {
            background: #fa5f57;
        }

        .demo-browser-bar span:nth-child(2) {
            background: #febc2e;
        }

        .demo-browser-bar span:nth-child(3) {
            background: #28c840;
        }

        .demo-browser-bar .address {
            flex: 1;
            height: 22px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 6px;
            margin-left: 10px;
            font-size: 11px;
            color: rgba(255, 255, 255, 0.5);
            display: flex;
            align-items: center;
            padding: 0 10px;
        }

        .demo-visual .visual-body {
            aspect-ratio: 16/9;
            background: url('/assets/images/coverpic/cover-2.png') center/cover;
            position: relative;
        }

        .demo-row:last-child .demo-visual .visual-body {
            background-image: url('/assets/images/coverpic/cover-3.webp');
        }

        .visual-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(20, 43, 37, 0.45), transparent 45%);
            border-radius: 0 0 var(--radius-lg) var(--radius-lg);
        }

        /* Proof Stats */
        .proof-section {
            background: var(--primary-dark);
            position: relative;
            overflow: hidden;
        }

        .proof-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: linear-gradient(135deg, rgba(255, 255, 255, 0.03) 25%, transparent 25%, transparent 50%, rgba(255, 255, 255, 0.03) 50%, rgba(255, 255, 255, 0.03) 75%, transparent 75%);
            background-size: 30px 30px;
        }

        .proof-inner {
            position: relative;
            z-index: 1;
            display: flex;
            gap: 60px;
            align-items: center;
        }

        .proof-left {
            flex: 0 0 42%;
        }

        .proof-left h2 {
            color: #fff;
            margin-bottom: 16px;
        }

        .proof-left p {
            color: rgba(255, 255, 255, 0.6);
            font-size: 15px;
            max-width: 380px;
        }

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

        .stat-badge {
            background: var(--primary);
            border-radius: 16px;
            padding: 22px 14px;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            min-height: 112px;
            text-align: center;
            box-shadow: var(--shadow-sm);
        }

        .stat-badge .stat-num {
            font-size: 40px;
            font-weight: 800;
            color: var(--accent);
            font-family: var(--font-num);
            line-height: 1.1;
            font-variant-numeric: tabular-nums;
        }

        .stat-badge .stat-unit {
            font-size: 13px;
            font-weight: 500;
            color: var(--text-light);
            margin-top: 4px;
        }

        /* Pricing */
        .pricing-grid {
            display: flex;
            align-items: stretch;
            gap: 20px;
            justify-content: center;
        }

        .price-card {
            flex: 1;
            max-width: 320px;
            background: var(--bg-card-alt);
            border-radius: var(--radius-card);
            padding: 32px 28px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            display: flex;
            flex-direction: column;
            transition: all .3s;
        }

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

        .price-card.featured {
            background: var(--primary);
            box-shadow: 0 24px 48px rgba(31, 74, 63, 0.20);
            transform: scale(1.02);
            margin-top: -12px;
            margin-bottom: -12px;
            position: relative;
        }

        .price-card.featured:hover {
            box-shadow: 0 30px 60px rgba(31, 74, 63, 0.28);
            transform: scale(1.02) translateY(-4px);
        }

        .price-card.featured .price-name {
            color: #fff;
        }

        .price-card.featured .price-desc {
            color: rgba(255, 255, 255, 0.6);
        }

        .price-card.featured .price-amount {
            color: var(--accent);
        }

        .price-card.featured .price-period {
            color: rgba(255, 255, 255, 0.5);
        }

        .price-name {
            font-size: 18px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 4px;
        }

        .price-desc {
            font-size: 13px;
            color: var(--text-weak);
            margin-bottom: 16px;
        }

        .price-block {
            display: flex;
            align-items: baseline;
            gap: 6px;
            margin-bottom: 18px;
        }

        .price-amount {
            font-size: 38px;
            font-weight: 800;
            color: var(--primary);
            font-family: var(--font-num);
            line-height: 1;
        }

        .price-period {
            font-size: 14px;
            color: var(--text-weak);
        }

        .price-features {
            display: flex;
            flex-direction: column;
            gap: 10px;
            margin-bottom: 24px;
            flex: 1;
        }

        .price-features li {
            display: flex;
            align-items: flex-start;
            gap: 8px;
            font-size: 14px;
            line-height: 1.5;
            color: var(--text-main);
        }

        .price-card.featured .price-features li {
            color: rgba(255, 255, 255, 0.8);
        }

        .price-features li::before {
            content: "✓";
            color: var(--accent);
            font-weight: 700;
            flex-shrink: 0;
            font-size: 15px;
        }

        /* FAQ */
        .faq-wrap {
            display: flex;
            gap: 60px;
        }

        .faq-left {
            flex: 0 0 34%;
        }

        .faq-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 16px;
        }

        .faq-list {
            flex: 1;
        }

        .accordion {
            background: transparent;
            border-radius: var(--radius-card);
        }

        .accordion-item {
            background: #fff;
            border: 1px solid rgba(31, 74, 63, 0.08);
            border-radius: 10px;
            margin-bottom: 12px;
            position: relative;
            overflow: hidden;
            transition: box-shadow .2s;
        }

        .accordion-item:hover {
            box-shadow: var(--shadow-sm);
        }

        .accordion-title {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 20px;
            font-size: 17px;
            font-weight: 600;
            color: var(--primary);
            background: #fff !important;
            border: none !important;
            transition: color .2s;
        }

        .accordion-title:hover,
        .accordion-title:focus {
            color: var(--primary-light);
            background: #fff !important;
            outline: none;
        }

        .accordion-title::before,
        .accordion-title::after {
            content: "" !important;
            position: absolute;
            right: 24px;
            top: 50%;
            width: 14px;
            height: 2px;
            background: var(--primary);
            transition: transform .25s ease;
            border-radius: 2px;
            transform: translateY(-50%);
        }

        .accordion-title::after {
            transform: translateY(-50%) rotate(90deg);
        }

        .accordion-item.is-active .accordion-title::after {
            transform: translateY(-50%) rotate(0deg);
        }

        .accordion-content {
            padding: 0 20px 18px !important;
            background: #fff !important;
            border: none !important;
            border-left: 3px solid var(--accent) !important;
            font-size: 15px;
            line-height: 1.7;
            color: var(--text-weak);
        }

        /* News CMS */
        .news-grid {
            display: flex;
            gap: 40px;
            align-items: stretch;
        }

        .news-featured {
            flex: 0 0 40%;
        }

        .news-featured .featured-card {
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            background: #fff;
            position: sticky;
            top: 80px;
        }

        .news-featured .featured-img {
            aspect-ratio: 3/2;
            background: url('/assets/images/coverpic/cover-4.png') center/cover;
        }

        .news-featured .featured-body {
            padding: 24px;
        }

        .news-list {
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .news-item {
            background: #fff;
            border-radius: var(--radius-card);
            border: 1px solid var(--border);
            padding: 20px 24px;
            transition: all .25s;
        }

        .news-item:hover {
            box-shadow: var(--shadow-sm);
            border-color: rgba(31, 74, 63, 0.18);
        }

        .news-item-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 6px;
        }

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

        .news-item h3 {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 6px;
        }

        .news-item h3 a {
            color: var(--text-main);
        }

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

        .news-item p {
            font-size: 14px;
            color: var(--text-weak);
            line-height: 1.6;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-more {
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
        }

        .news-more:hover {
            color: var(--accent);
        }

        .news-empty {
            border: 2px dashed rgba(31, 74, 63, 0.25);
            border-radius: var(--radius-card);
            min-height: 240px;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 12px;
            color: var(--text-weak);
            background: rgba(255, 255, 255, 0.6);
        }

        .news-empty .empty-icon {
            font-size: 44px;
            line-height: 1;
            filter: grayscale(0.3);
        }

        .news-empty p {
            margin: 0;
            font-size: 15px;
        }

        /* Join CTA */
        .join-section {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
            position: relative;
            overflow: hidden;
            padding: 88px 0;
        }

        .join-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: linear-gradient(135deg, rgba(255, 255, 255, 0.05) 25%, transparent 25%, transparent 50%, rgba(255, 255, 255, 0.05) 50%, rgba(255, 255, 255, 0.05) 75%, transparent 75%);
            background-size: 30px 30px;
        }

        .join-inner {
            position: relative;
            z-index: 1;
            text-align: center;
            max-width: 640px;
            margin: 0 auto;
        }

        .join-inner h2 {
            color: #fff;
            font-size: 36px;
            margin-bottom: 16px;
        }

        .join-inner p {
            color: rgba(255, 255, 255, 0.65);
            font-size: 16px;
            margin-bottom: 32px;
        }

        /* Footer */
        .site-footer {
            background: var(--primary-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 72px 0 32px;
        }

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

        .footer-brand .brand-logo {
            margin-bottom: 14px;
            font-size: 18px;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.5);
            max-width: 240px;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 15px;
            margin-bottom: 16px;
            font-weight: 700;
            letter-spacing: 0.04em;
        }

        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

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

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

        .footer-contact p {
            font-size: 14px;
            margin-bottom: 6px;
            display: flex;
            align-items: center;
            gap: 8px;
            color: rgba(255, 255, 255, 0.55);
        }

        .qr-placeholder {
            width: 96px;
            height: 96px;
            background: #fff;
            border-radius: 12px;
            margin-top: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 11px;
            color: #999;
            text-align: center;
            padding: 8px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.35);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.35);
        }

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

        /* Floating CTA */
        .float-cta {
            position: fixed;
            right: 24px;
            bottom: 24px;
            z-index: 999;
        }

        .float-main {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent), var(--accent-light));
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 14px;
            box-shadow: 0 8px 24px rgba(242, 160, 61, 0.35);
            position: relative;
            transition: transform .2s, box-shadow .2s;
            border: none;
            cursor: pointer;
        }

        .float-main::before {
            content: "";
            position: absolute;
            inset: -8px;
            border-radius: 50%;
            background: rgba(242, 160, 61, 0.3);
            animation: pulse 2s ease-out infinite;
            z-index: -1;
        }

        @keyframes pulse {
            0% {
                transform: scale(0.85);
                opacity: 0.8;
            }
            70% {
                transform: scale(1.25);
                opacity: 0;
            }
            100% {
                transform: scale(1.3);
                opacity: 0;
            }
        }

        .float-main:hover {
            transform: scale(1.05);
            box-shadow: 0 12px 32px rgba(242, 160, 61, 0.45);
        }

        .float-panel {
            position: absolute;
            right: 0;
            bottom: 76px;
            width: 200px;
            background: #fff;
            border-radius: 16px;
            box-shadow: 0 20px 40px rgba(31, 74, 63, 0.16);
            padding: 16px;
            display: flex;
            flex-direction: column;
            gap: 8px;
            opacity: 0;
            visibility: hidden;
            transform: translateY(12px);
            transition: all .25s ease;
        }

        .float-panel.open {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }

        .float-panel a {
            padding: 10px 14px;
            border-radius: 10px;
            text-align: center;
            font-weight: 600;
            font-size: 14px;
        }

        .float-panel a:first-child {
            background: linear-gradient(135deg, var(--accent), var(--accent-light));
            color: var(--primary);
        }

        .float-panel a:last-child {
            border: 1px solid rgba(31, 74, 63, 0.15);
            color: var(--primary);
        }

        .float-panel a:hover {
            filter: brightness(1.03);
        }

        body {
            padding-bottom: 80px;
        }

        /* Section heading helper */
        .section-head {
            text-align: center;
            max-width: 640px;
            margin: 0 auto 48px;
        }

        .section-head .tag {
            margin-bottom: 12px;
        }

        .section-head h2 {
            font-size: 34px;
            margin-bottom: 12px;
        }

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

        /* Animation helpers */
        .reveal {
            opacity: 0;
            transform: translateY(16px);
            transition: opacity .45s ease, transform .45s ease;
        }

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

        /* Mobile Nav */
        .mobile-nav-toggle {
            display: none;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .main-nav {
                gap: 14px;
            }

            .header-left {
                gap: 18px;
            }

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

            .feature-card.feature-main {
                grid-column: span 2;
                grid-row: auto;
            }

            .feature-card:nth-child(2),
            .feature-card:nth-child(3) {
                grid-column: span 1;
            }

            .demo-row {
                gap: 30px;
            }

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

        @media (max-width: 720px) {
            .site-header {
                height: 52px;
            }

            .header-inner {
                padding: 0 16px;
            }

            .header-left {
                flex: 1;
                gap: 10px;
                padding-right: 0;
            }

            .main-nav {
                display: none;
            }

            .header-right {
                background: var(--primary);
                margin-right: 0;
                padding-left: 0;
                padding-right: 0;
                gap: 8px;
            }

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

            .mobile-nav {
                display: none;
                position: absolute;
                top: 52px;
                left: 0;
                right: 0;
                box-shadow: var(--shadow-md);
            }

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

            h1 {
                font-size: 32px;
            }

            h2 {
                font-size: 28px;
            }

            .hero-inner {
                flex-direction: column;
                min-height: 0;
            }

            .hero-left,
            .hero-right {
                width: 100%;
            }

            .hero-left {
                padding: 48px 20px 36px;
            }

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

            .hero-right {
                padding: 32px 20px 48px;
                min-height: 420px;
            }

            .login-card {
                transform: none;
                max-width: 100%;
            }

            .hero::before {
                width: 100%;
            }

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

            .feature-card.feature-main {
                grid-column: span 1;
            }

            .feature-card:nth-child(2),
            .feature-card:nth-child(3) {
                grid-column: span 1;
            }

            .demo-row,
            .demo-row.reverse {
                flex-direction: column;
                gap: 20px;
            }

            .proof-inner {
                flex-direction: column;
                gap: 32px;
            }

            .proof-left {
                flex: auto;
            }

            .proof-grid {
                width: 100%;
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }

            .stat-badge {
                min-height: 88px;
                padding: 14px 10px;
            }

            .stat-badge .stat-num {
                font-size: 30px;
            }

            .pricing-grid {
                flex-direction: column;
            }

            .price-card.featured {
                order: -1;
                transform: none;
                margin: 0;
            }

            .price-card.featured:hover {
                transform: translateY(-4px);
            }

            .faq-wrap {
                flex-direction: column;
                gap: 32px;
            }

            .faq-left {
                flex: auto;
            }

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

            .news-featured .featured-card {
                position: static;
            }

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

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

            .float-cta {
                right: 16px;
                bottom: 16px;
            }

            .float-main {
                width: 48px;
                height: 48px;
                font-size: 13px;
            }

            .float-main::before {
                display: none;
            }

            .section {
                padding: var(--space-section-mobile) 0;
            }
        }

        @media (max-width: 480px) {
            .btn {
                padding: 12px 20px;
                font-size: 14px;
            }

            .btn-lg {
                padding: 14px 28px;
                font-size: 16px;
            }

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

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

            .hero-stats {
                gap: 12px;
            }

            .hero-stat strong {
                font-size: 18px;
            }

            .feature-card {
                padding: 20px;
            }

            .feature-main-content {
                padding: 20px;
            }

            .price-card {
                padding: 24px 20px;
            }
        }

/* roulang page: article */
:root {
            --primary: #1F4A3F;
            --primary-dark: #142B25;
            --primary-light: #2C6A5B;
            --accent: #F2A03D;
            --accent-light: #F4B860;
            --bg-warm: #F7F4EF;
            --bg-card: #FFFFFF;
            --text-main: #1F2A26;
            --text-weak: #5A6E66;
            --border: rgba(31, 74, 63, 0.12);
            --shadow-sm: 0 2px 6px rgba(31, 74, 63, 0.06);
            --shadow-md: 0 16px 32px rgba(31, 74, 63, 0.10);
            --shadow-lg: 0 24px 48px rgba(31, 74, 63, 0.20);
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --font-main: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            --transition: 0.3s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-main);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-main);
            background: var(--bg-warm);
            font-variant-numeric: tabular-nums;
            -webkit-font-smoothing: antialiased;
        }

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

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

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

        .grid-container {
            max-width: 1200px !important;
            padding-left: 24px !important;
            padding-right: 24px !important;
        }

        /* ========== 导航 ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            height: 56px;
            background: rgba(31, 74, 63, 0.92);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            transition: box-shadow 0.2s ease;
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 56px;
            position: relative;
        }

        .header-left {
            display: flex;
            align-items: center;
            gap: 28px;
            flex: 1;
            min-width: 0;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            white-space: nowrap;
            transition: color var(--transition);
            flex-shrink: 0;
        }

        .brand-logo:hover {
            color: var(--accent-light);
        }

        .logo-mark {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent), var(--accent-light));
            position: relative;
            display: inline-block;
            flex-shrink: 0;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
        }

        .logo-mark::after {
            content: '';
            position: absolute;
            width: 16px;
            height: 3px;
            background: #fff;
            border-radius: 3px;
            top: 14px;
            left: 8px;
            transform: rotate(-14deg);
            box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .main-nav a {
            color: rgba(255, 255, 255, 0.85);
            font-size: 14px;
            font-weight: 500;
            padding: 8px 16px;
            border-radius: 999px;
            transition: background var(--transition), color var(--transition);
            white-space: nowrap;
        }

        .main-nav a:hover {
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
        }

        .main-nav a.active {
            background: rgba(242, 160, 61, 0.22);
            color: var(--accent-light);
            font-weight: 600;
        }

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

        .header-search {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            border: 1px solid rgba(255, 255, 255, 0.25);
            background: transparent;
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all var(--transition);
        }

        .header-search:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: rgba(255, 255, 255, 0.4);
        }

        .nav-toggle {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: 10px;
            border: 1px solid rgba(255, 255, 255, 0.25);
            background: transparent;
            color: #fff;
            font-size: 18px;
            cursor: pointer;
            align-items: center;
            justify-content: center;
            transition: background var(--transition);
        }

        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.12);
        }

        .btn-accent {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: linear-gradient(135deg, var(--accent), var(--accent-light));
            color: var(--primary);
            font-weight: 700;
            font-size: 14px;
            padding: 10px 24px;
            border-radius: 999px;
            border: none;
            cursor: pointer;
            transition: all var(--transition);
            box-shadow: 0 4px 14px rgba(242, 160, 61, 0.35);
            line-height: 1.4;
            white-space: nowrap;
        }

        .btn-accent:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(242, 160, 61, 0.45);
            color: var(--primary);
            filter: brightness(1.05);
        }

        .btn-accent:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(242, 160, 61, 0.3);
        }

        .btn-accent:focus-visible {
            outline: 3px solid rgba(242, 160, 61, 0.5);
            outline-offset: 2px;
        }

        /* ========== 面包屑 ========== */
        .breadcrumb-wrap {
            background: var(--primary-dark);
            padding: 20px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
        }

        .breadcrumb a {
            color: rgba(255, 255, 255, 0.7);
            transition: color var(--transition);
        }

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

        .breadcrumb .sep {
            color: rgba(255, 255, 255, 0.35);
            font-size: 12px;
        }

        .breadcrumb .current {
            color: rgba(255, 255, 255, 0.9);
            max-width: 280px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        /* ========== 文章主体 ========== */
        .article-main {
            padding: 48px 0 24px;
            background:
                linear-gradient(rgba(255, 255, 255, 0.6), rgba(255, 255, 255, 0.6)),
                url('/assets/images/backpic/back-2.webp') center top / cover no-repeat;
        }

        .article-container {
            max-width: 900px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .article-header {
            margin-bottom: 32px;
            background: rgba(255, 255, 255, 0.9);
            border-radius: var(--radius-lg);
            padding: 36px 40px;
            box-shadow: var(--shadow-sm);
            border: 1px solid rgba(31, 74, 63, 0.08);
            backdrop-filter: blur(4px);
        }

        .article-header h1 {
            font-size: clamp(28px, 4vw, 42px);
            font-weight: 700;
            line-height: 1.3;
            color: var(--primary-dark);
            margin-bottom: 16px;
            letter-spacing: -0.01em;
        }

        .article-meta {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 14px;
            color: var(--text-weak);
            border-top: 1px solid var(--border);
            padding-top: 16px;
        }

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

        .meta-item i {
            color: var(--accent);
            font-size: 13px;
        }

        .meta-cat {
            display: inline-flex;
            align-items: center;
            background: rgba(31, 74, 63, 0.1);
            color: var(--primary);
            padding: 3px 14px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 600;
        }

        /* 正文区 */
        .article-body {
            max-width: 760px;
            margin: 0 auto;
            font-size: 17px;
            line-height: 1.85;
            color: var(--text-main);
            padding: 32px 0 40px;
        }

        .article-body > * {
            margin-bottom: 28px;
        }

        .article-body p {
            line-height: 1.85;
            margin-bottom: 24px;
            font-size: 16px;
        }

        .article-body h2 {
            font-size: 26px;
            font-weight: 700;
            color: var(--primary-dark);
            margin-top: 40px;
            margin-bottom: 18px;
            padding-bottom: 8px;
            border-bottom: 2px solid rgba(31, 74, 63, 0.06);
        }

        .article-body h3 {
            font-size: 21px;
            font-weight: 600;
            color: var(--primary);
            margin-top: 32px;
            margin-bottom: 14px;
        }

        .article-body img {
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            margin: 28px 0;
            width: 100%;
        }

        .article-body blockquote {
            border-left: 4px solid var(--accent);
            background: rgba(242, 160, 61, 0.08);
            padding: 18px 24px;
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            font-style: normal;
            color: var(--text-main);
            margin: 28px 0;
        }

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

        .article-body ul,
        .article-body ol {
            padding-left: 24px;
            margin-bottom: 24px;
        }

        .article-body ul li,
        .article-body ol li {
            margin-bottom: 8px;
        }

        .article-body ul li::marker {
            color: var(--accent);
        }

        .article-body table {
            width: 100%;
            border-collapse: collapse;
            margin: 28px 0;
            font-size: 15px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }

        .article-body table th {
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            padding: 12px 16px;
            text-align: left;
            border: none;
        }

        .article-body table td {
            padding: 12px 16px;
            border-bottom: 1px solid var(--border);
            background: #fff;
        }

        .article-body table tr:nth-child(even) td {
            background: #F8F7F3;
        }

        .article-body a {
            color: var(--primary);
            font-weight: 500;
            text-decoration: underline;
            text-underline-offset: 3px;
        }

        .article-body a:hover {
            color: var(--accent);
            text-decoration-color: var(--accent);
        }

        .article-body code {
            background: #F0EDE5;
            padding: 2px 8px;
            border-radius: 6px;
            font-family: "SF Mono", "Consolas", monospace;
            font-size: 0.9em;
            color: var(--primary);
        }

        .article-body pre {
            background: var(--primary-dark);
            color: #E8F0EC;
            padding: 20px 24px;
            border-radius: var(--radius-md);
            overflow-x: auto;
            font-size: 14px;
            line-height: 1.6;
            margin: 28px 0;
        }

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

        /* 空状态 */
        .article-empty {
            max-width: 760px;
            margin: 0 auto;
            padding: 80px 0;
            text-align: center;
            background: rgba(255, 255, 255, 0.9);
            border-radius: var(--radius-lg);
            border: 2px dashed var(--border);
        }

        .article-empty .empty-icon {
            font-size: 48px;
            color: rgba(31, 74, 63, 0.3);
            margin-bottom: 16px;
        }

        .article-empty p {
            font-size: 18px;
            color: var(--text-weak);
            margin-bottom: 20px;
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border: 1px solid var(--primary);
            color: var(--primary);
            background: transparent;
            font-weight: 600;
            font-size: 14px;
            padding: 10px 24px;
            border-radius: 999px;
            cursor: pointer;
            transition: all var(--transition);
            text-decoration: none;
        }

        .btn-secondary:hover {
            background: rgba(31, 74, 63, 0.08);
            border-color: var(--primary);
            color: var(--primary);
            transform: translateY(-2px);
        }

        /* ========== 标签区 ========== */
        .article-tags {
            max-width: 760px;
            margin: 0 auto;
            padding: 24px 0 8px;
            border-top: 1px solid var(--border);
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            align-items: center;
        }

        .tag-label {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-weak);
            margin-right: 4px;
        }

        .tag-chip {
            display: inline-flex;
            align-items: center;
            background: #F0EDE5;
            color: var(--primary);
            padding: 5px 14px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 500;
            transition: all var(--transition);
            text-decoration: none;
        }

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

        /* ========== 上一篇 / 下一篇 ========== */
        .article-pagination {
            max-width: 760px;
            margin: 0 auto;
            padding: 24px 0;
            display: flex;
            justify-content: space-between;
            gap: 16px;
            border-top: 1px solid var(--border);
            margin-top: 16px;
        }

        .article-pagination a {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--primary);
            font-weight: 500;
            padding: 8px 0;
            transition: all var(--transition);
            text-decoration: none;
        }

        .article-pagination a:hover {
            color: var(--accent);
            transform: translateX(2px);
        }

        .article-pagination .next-link {
            margin-left: auto;
        }

        /* ========== 相关推荐 ========== */
        .related-section {
            background: var(--bg-warm);
            padding: 56px 0 72px;
            border-top: 1px solid var(--border);
        }

        .section-title-wrap {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            margin-bottom: 32px;
        }

        .section-title-wrap h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--primary-dark);
            margin: 0;
            position: relative;
            padding-bottom: 8px;
        }

        .section-title-wrap h2::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 40px;
            height: 3px;
            border-radius: 3px;
            background: linear-gradient(135deg, var(--accent), var(--accent-light));
        }

        .btn-back {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 500;
            color: var(--primary);
            border: 1px solid var(--border);
            padding: 8px 18px;
            border-radius: 999px;
            transition: all var(--transition);
            background: #fff;
            text-decoration: none;
        }

        .btn-back:hover {
            border-color: var(--primary);
            color: var(--primary);
            transform: translateY(-2px);
            box-shadow: var(--shadow-sm);
        }

        .related-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr;
            gap: 24px;
            align-items: stretch;
        }

        .related-card {
            background: #fff;
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid rgba(31, 74, 63, 0.08);
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
            display: flex;
            flex-direction: column;
            text-decoration: none;
            color: inherit;
        }

        .related-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: rgba(31, 74, 63, 0.15);
            color: inherit;
        }

        .related-card.featured .card-img {
            height: 240px;
        }

        .related-card .card-img {
            height: 160px;
            position: relative;
            overflow: hidden;
        }

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

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

        .related-card .card-img .card-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(31, 74, 63, 0.9);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 999px;
            backdrop-filter: blur(4px);
            z-index: 1;
        }

        .related-card .card-body {
            padding: 20px 24px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .related-card .card-body h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--primary-dark);
            margin-bottom: 8px;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .related-card .card-body p {
            font-size: 14px;
            color: var(--text-weak);
            line-height: 1.6;
            margin-bottom: 16px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            flex: 1;
        }

        .related-card .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 13px;
            color: var(--text-weak);
        }

        .related-card .card-meta a {
            color: var(--primary);
            font-weight: 500;
            font-size: 13px;
            transition: color var(--transition);
            text-decoration: none;
        }

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

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

        /* ========== CTA ========== */
        .article-cta {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
            padding: 64px 0;
            position: relative;
            overflow: hidden;
            text-align: center;
        }

        .article-cta::before {
            content: '';
            position: absolute;
            inset: 0;
            background: repeating-linear-gradient(
                135deg,
                transparent,
                transparent 28px,
                rgba(255, 255, 255, 0.03) 28px,
                rgba(255, 255, 255, 0.03) 30px
            );
            pointer-events: none;
        }

        .cta-inner {
            position: relative;
            z-index: 1;
            max-width: 600px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .article-cta h2 {
            color: #fff;
            font-size: 28px;
            font-weight: 700;
            margin-bottom: 12px;
            line-height: 1.3;
        }

        .article-cta p {
            color: rgba(255, 255, 255, 0.75);
            font-size: 15px;
            margin-bottom: 28px;
            line-height: 1.7;
        }

        .article-cta .btn-accent {
            font-size: 16px;
            padding: 14px 40px;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.25);
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--primary-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 72px 0 24px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
            gap: 40px;
            margin-bottom: 48px;
        }

        .footer-brand .brand-logo {
            color: #fff;
            font-size: 20px;
            margin-bottom: 16px;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.55);
            max-width: 260px;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 16px;
            letter-spacing: 0.05em;
        }

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

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

        .footer-col ul a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 14px;
            line-height: 1.6;
            transition: color var(--transition);
            text-decoration: none;
        }

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

        .footer-contact p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 8px;
            line-height: 1.6;
        }

        .qr-placeholder {
            width: 96px;
            height: 96px;
            background: rgba(255, 255, 255, 0.95);
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            font-size: 12px;
            color: var(--primary);
            margin-top: 16px;
            font-weight: 500;
            line-height: 1.4;
            box-shadow: var(--shadow-sm);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
            font-size: 13px;
            text-decoration: none;
            transition: color var(--transition);
        }

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

        /* ========== 浮动 CTA ========== */
        .float-cta {
            position: fixed;
            bottom: 32px;
            right: 32px;
            z-index: 9999;
        }

        .float-cta-main {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent), var(--accent-light));
            border: none;
            color: var(--primary);
            font-size: 14px;
            font-weight: 700;
            cursor: pointer;
            box-shadow: 0 8px 24px rgba(242, 160, 61, 0.45);
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all var(--transition);
            position: relative;
            z-index: 2;
            font-family: var(--font-main);
        }

        .float-cta-main:hover {
            transform: scale(1.06);
            box-shadow: 0 12px 32px rgba(242, 160, 61, 0.55);
        }

        .float-cta-main::before {
            content: '';
            position: absolute;
            inset: -6px;
            border-radius: 50%;
            border: 2px solid rgba(242, 160, 61, 0.4);
            animation: pulse-ring 1.5s infinite;
            pointer-events: none;
        }

        @keyframes pulse-ring {
            0% {
                transform: scale(1);
                opacity: 0.8;
            }
            100% {
                transform: scale(1.25);
                opacity: 0;
            }
        }

        .float-cta-panel {
            position: absolute;
            bottom: 76px;
            right: 0;
            background: #fff;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-md);
            padding: 12px;
            display: none;
            width: 160px;
            border: 1px solid var(--border);
        }

        .float-cta-panel.open {
            display: block;
            animation: fadeInUp 0.3s ease;
        }

        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(8px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .float-cta-panel a {
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 10px 16px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 8px;
            transition: all var(--transition);
            text-decoration: none;
        }

        .float-cta-panel a:last-child {
            margin-bottom: 0;
        }

        .float-cta-panel a.cta-login {
            background: linear-gradient(135deg, var(--accent), var(--accent-light));
            color: var(--primary);
        }

        .float-cta-panel a.cta-login:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(242, 160, 61, 0.35);
            color: var(--primary);
        }

        .float-cta-panel a.cta-register {
            border: 1px solid var(--border);
            color: var(--primary);
            background: #fff;
        }

        .float-cta-panel a.cta-register:hover {
            border-color: var(--primary);
            background: rgba(31, 74, 63, 0.04);
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            .header-left {
                gap: 12px;
            }

            .main-nav a {
                padding: 8px 10px;
                font-size: 13px;
            }

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

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

            .related-side {
                grid-template-columns: 1fr;
                grid-template-rows: none;
            }
        }

        @media (max-width: 720px) {
            body {
                font-size: 15px;
            }

            .site-header {
                height: 52px;
            }

            .header-inner {
                height: 52px;
            }

            .header-left {
                gap: 0;
            }

            .brand-logo {
                font-size: 16px;
            }

            .logo-mark {
                width: 28px;
                height: 28px;
            }

            .logo-mark::after {
                width: 13px;
                height: 2.5px;
                top: 12px;
                left: 7px;
            }

            .main-nav {
                display: none;
                position: absolute;
                top: 52px;
                left: 0;
                right: 0;
                background: var(--primary-dark);
                flex-direction: column;
                padding: 16px 24px;
                gap: 8px;
                border-bottom: 1px solid rgba(255, 255, 255, 0.08);
                box-shadow: var(--shadow-lg);
            }

            .main-nav.open {
                display: flex;
            }

            .main-nav a {
                padding: 12px 16px;
                width: 100%;
                border-radius: 10px;
                font-size: 15px;
            }

            .nav-toggle {
                display: flex;
            }

            .header-actions .btn-accent {
                padding: 8px 16px;
                font-size: 13px;
            }

            .article-main {
                padding: 32px 0 16px;
                background: var(--bg-warm);
            }

            .article-container {
                padding: 0 16px;
            }

            .article-header {
                padding: 24px 20px;
                border-radius: var(--radius-md);
            }

            .article-header h1 {
                font-size: 28px;
                line-height: 1.35;
            }

            .article-meta {
                gap: 10px;
                font-size: 13px;
            }

            .article-body {
                padding: 24px 0 32px;
                font-size: 16px;
                line-height: 1.8;
            }

            .breadcrumb .current {
                max-width: 180px;
            }

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

            .related-card.featured .card-img {
                height: 200px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
                padding: 0 8px;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
                padding: 20px 0 0;
            }

            .float-cta {
                bottom: 20px;
                right: 20px;
            }

            .float-cta-main {
                width: 48px;
                height: 48px;
                font-size: 12px;
            }

            .float-cta-main::before {
                display: none;
            }

            .article-pagination {
                flex-direction: column;
                gap: 8px;
            }

            .section-title-wrap {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }

            .article-cta {
                padding: 48px 0;
            }

            .article-cta h2 {
                font-size: 24px;
            }

            .article-cta .btn-accent {
                padding: 12px 32px;
            }
        }

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

            .header-actions .btn-accent span {
                display: none;
            }

            .header-actions .btn-accent {
                width: 38px;
                padding: 0;
            }

            .header-actions .btn-accent i {
                margin: 0;
            }

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

        /* 打印适配 */
        @media print {
            .site-header,
            .float-cta,
            .article-cta,
            .site-footer,
            .related-section,
            .breadcrumb-wrap,
            .article-pagination,
            .article-tags {
                display: none !important;
            }

            .article-body {
                max-width: 100%;
            }

            .article-main {
                background: none;
            }

            .article-header {
                background: none;
                box-shadow: none;
                border: none;
                padding: 0;
            }
        }

/* roulang page: category1 */
:root {
      --green-900: #142B25;
      --green-800: #1F4A3F;
      --green-700: #2C6A5B;
      --green-100: #CFE3DA;
      --amber: #F2A03D;
      --amber-light: #F4B860;
      --paper: #F7F4EF;
      --card-bg: #FBF9F4;
      --white: #FFFFFF;
      --text-main: #142B25;
      --text-body: #2E3B36;
      --text-weak: #6B7D75;
      --border: rgba(31, 74, 63, 0.10);
      --radius-sm: 10px;
      --radius-md: 16px;
      --radius-lg: 24px;
      --shadow-sm: 0 2px 6px rgba(31, 74, 63, 0.06);
      --shadow-md: 0 16px 32px rgba(31, 74, 63, 0.10);
      --shadow-lg: 0 24px 48px rgba(31, 74, 63, 0.20);
      --gradient-green: linear-gradient(135deg, #1F4A3F, #2C6A5B);
      --gradient-amber: linear-gradient(135deg, #F2A03D, #F4B860);
      --font-main: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans CJK SC', sans-serif;
      --font-num: 'Helvetica Neue', Arial, sans-serif;
    }

    *, *::before, *::after { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      font-family: var(--font-main);
      font-size: 16px;
      line-height: 1.75;
      color: var(--text-body);
      background: var(--paper);
      -webkit-font-smoothing: antialiased;
    }
    img { max-width: 100%; display: block; }
    a { color: inherit; text-decoration: none; transition: all .25s ease; }
    button { font-family: inherit; cursor: pointer; }
    ul { list-style: none; margin: 0; padding: 0; }
    h1, h2, h3, h4, h5, h6 { margin: 0; }
    p { margin: 0; }

    .grid-container {
      max-width: 1200px;
      margin: 0 auto;
      padding-left: 24px;
      padding-right: 24px;
    }
    @media (min-width: 1024px) {
      .grid-container { padding-left: 48px; padding-right: 48px; }
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 14px 28px;
      border-radius: 999px;
      font-weight: 700;
      font-size: 15px;
      line-height: 1;
      transition: all .25s ease;
      border: 1px solid transparent;
      cursor: pointer;
    }
    .btn-amber {
      background: var(--gradient-amber);
      color: var(--green-800);
      box-shadow: 0 4px 14px rgba(242, 160, 61, 0.35);
    }
    .btn-amber:hover {
      filter: brightness(1.06);
      box-shadow: 0 8px 24px rgba(242, 160, 61, 0.45);
      transform: translateY(-2px);
    }
    .btn-amber:active { transform: translateY(0); }
    .btn-outline {
      border: 1.5px solid rgba(255, 255, 255, 0.7);
      color: #fff;
      background: transparent;
    }
    .btn-outline:hover {
      background: rgba(255, 255, 255, 0.10);
      border-color: #fff;
    }
    .btn-lg {
      padding: 18px 40px;
      font-size: 17px;
    }
    .btn:focus-visible {
      outline: 3px solid rgba(242, 160, 61, 0.5);
      outline-offset: 2px;
    }

    .main-nav {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      height: 56px;
      z-index: 1000;
      transition: box-shadow .2s ease;
    }
    .main-nav.scrolled { box-shadow: 0 4px 24px rgba(20, 43, 37, 0.16); }
    .main-nav::before,
    .main-nav::after {
      content: '';
      position: absolute;
      top: 0;
      height: 100%;
      z-index: -1;
    }
    .main-nav::before {
      left: 0;
      width: 50%;
      background: rgba(31, 74, 63, 0.92);
      backdrop-filter: blur(8px);
      -webkit-backdrop-filter: blur(8px);
    }
    .main-nav::after {
      left: 50%;
      width: 50%;
      background: rgba(247, 244, 239, 0.95);
      backdrop-filter: blur(8px);
      -webkit-backdrop-filter: blur(8px);
    }

    .nav-container {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 56px;
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 24px;
    }
    @media (min-width: 1024px) { .nav-container { padding: 0 48px; } }

    .nav-left {
      display: flex;
      align-items: center;
      gap: 24px;
      min-width: 0;
    }
    .brand-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      color: #fff;
      font-weight: 700;
      font-size: 18px;
      white-space: nowrap;
    }
    .brand-logo .logo-mark {
      width: 30px;
      height: 30px;
      border-radius: 50%;
      background: var(--gradient-amber);
      position: relative;
      flex-shrink: 0;
      box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.25), 0 4px 10px rgba(0, 0, 0, 0.15);
    }
    .brand-logo .logo-mark::before {
      content: '';
      position: absolute;
      top: 50%;
      left: 50%;
      width: 18px;
      height: 1.5px;
      background: var(--green-800);
      transform: translate(-50%, -50%) rotate(-35deg);
      border-radius: 2px;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 4px;
    }
    .nav-links a {
      display: block;
      padding: 8px 14px;
      border-radius: 999px;
      color: #CFE3DA;
      font-size: 14px;
      font-weight: 600;
      letter-spacing: 0.02em;
    }
    .nav-links a:hover {
      background: rgba(255, 255, 255, 0.10);
      color: #fff;
    }
    .nav-links a.active {
      background: var(--gradient-amber);
      color: var(--green-800);
    }

    .nav-right {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .search-btn {
      width: 36px;
      height: 36px;
      border-radius: 50%;
      border: 1px solid rgba(31, 74, 63, 0.15);
      background: transparent;
      color: var(--green-800);
      display: flex;
      align-items: center;
      justify-content: center;
      transition: all .25s ease;
    }
    .search-btn:hover {
      background: rgba(31, 74, 63, 0.08);
      border-color: rgba(31, 74, 63, 0.30);
    }
    .nav-login-btn {
      display: inline-block;
      padding: 8px 20px;
      border-radius: 999px;
      background: var(--gradient-amber);
      color: var(--green-800);
      font-weight: 700;
      font-size: 14px;
      box-shadow: 0 2px 8px rgba(242, 160, 61, 0.30);
      transition: all .25s ease;
      border: none;
    }
    .nav-login-btn:hover {
      transform: translateY(-1px);
      box-shadow: 0 6px 16px rgba(242, 160, 61, 0.40);
    }

    .menu-toggle {
      display: none;
      width: 36px;
      height: 36px;
      border-radius: 8px;
      border: none;
      background: transparent;
      color: var(--green-800);
      font-size: 16px;
      align-items: center;
      justify-content: center;
    }

    .page-banner {
      position: relative;
      background: var(--gradient-green);
      padding: 140px 0 76px;
      color: #fff;
      overflow: hidden;
    }
    .page-banner::before {
      content: '';
      position: absolute;
      inset: 0;
      background-image: repeating-linear-gradient(135deg, rgba(255, 255, 255, 0.05) 0 1px, transparent 1px 30px);
      pointer-events: none;
    }
    .page-banner .grid-container { position: relative; }
    .breadcrumb {
      font-size: 14px;
      color: rgba(255, 255, 255, 0.70);
      margin-bottom: 18px;
      display: flex;
      gap: 8px;
      align-items: center;
    }
    .breadcrumb a { color: rgba(255, 255, 255, 0.70); }
    .breadcrumb a:hover { color: var(--amber); }
    .page-banner h1 {
      font-size: 46px;
      line-height: 1.25;
      font-weight: 700;
      margin-bottom: 16px;
      color: #fff;
      letter-spacing: 0.01em;
      max-width: 760px;
    }
    .banner-sub {
      font-size: 18px;
      color: rgba(255, 255, 255, 0.85);
      max-width: 560px;
      line-height: 1.75;
      margin-bottom: 32px;
    }
    .banner-actions {
      display: flex;
      gap: 16px;
      flex-wrap: wrap;
    }

    .section-tag {
      display: inline-block;
      padding: 5px 16px;
      border-radius: var(--radius-sm);
      background: rgba(31, 74, 63, 0.08);
      color: var(--green-800);
      font-size: 13px;
      font-weight: 600;
      letter-spacing: 0.08em;
      margin-bottom: 14px;
    }
    .section-head {
      text-align: center;
      max-width: 680px;
      margin: 0 auto 56px;
    }
    .section-head h2 {
      font-size: 34px;
      font-weight: 700;
      line-height: 1.3;
      color: var(--text-main);
      margin-bottom: 12px;
    }
    .section-head p {
      color: var(--text-weak);
      font-size: 16px;
      line-height: 1.7;
    }

    .step-section {
      padding: 88px 0;
      background: #fff;
    }
    .step-card-wrap { margin-bottom: 24px; }
    .step-card {
      background: var(--card-bg);
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      padding: 28px;
      height: 100%;
      transition: transform .3s ease, box-shadow .3s ease, opacity .4s ease;
      opacity: 0;
      transform: translateY(16px);
    }
    .step-card.visible {
      opacity: 1;
      transform: translateY(0);
    }
    .step-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
    }
    .step-num {
      font-size: 32px;
      font-weight: 800;
      color: var(--amber);
      font-family: var(--font-num);
      font-variant-numeric: tabular-nums;
      margin-bottom: 12px;
    }
    .step-card h3 {
      font-size: 22px;
      font-weight: 600;
      color: var(--text-main);
      margin-bottom: 10px;
    }
    .step-card p {
      font-size: 15px;
      color: var(--text-weak);
      line-height: 1.7;
      margin-bottom: 0;
    }

    .feature-detail-section {
      padding: 88px 0;
      background: var(--paper);
    }
    .feature-row {
      display: flex;
      align-items: center;
      gap: 64px;
      margin-bottom: 88px;
    }
    .feature-row:last-child { margin-bottom: 0; }
    .feature-copy { flex: 1; }
    .feature-copy h3 {
      font-size: 28px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 16px;
      line-height: 1.35;
    }
    .feature-copy p {
      font-size: 16px;
      color: var(--text-weak);
      line-height: 1.75;
      margin-bottom: 24px;
    }
    .check-list li {
      position: relative;
      padding-left: 28px;
      margin-bottom: 10px;
      font-size: 15px;
      color: var(--text-body);
    }
    .check-list li::before {
      content: '';
      position: absolute;
      left: 0;
      top: 7px;
      width: 16px;
      height: 16px;
      border-radius: 50%;
      background: rgba(31, 74, 63, 0.10);
    }
    .check-list li::after {
      content: '';
      position: absolute;
      left: 5px;
      top: 11px;
      width: 6px;
      height: 3px;
      border-left: 1.5px solid var(--green-800);
      border-bottom: 1.5px solid var(--green-800);
      transform: rotate(-45deg);
    }
    .feature-visual { flex: 1; }
    .feature-visual img {
      width: 100%;
      border-radius: var(--radius-lg);
      object-fit: cover;
      aspect-ratio: 4/3;
      box-shadow: var(--shadow-md);
    }
    .feature-row-reverse .feature-copy { order: 2; }
    .feature-row-reverse .feature-visual { order: 1; }

    .stats-section {
      padding: 88px 0;
      background: #fff;
    }
    .stats-section .section-tag { margin-bottom: 14px; }
    .stats-section h2 {
      font-size: 34px;
      font-weight: 700;
      line-height: 1.3;
      color: var(--text-main);
      margin-bottom: 14px;
    }
    .stats-section p {
      color: var(--text-weak);
      font-size: 16px;
      line-height: 1.7;
      margin-bottom: 0;
    }
    .stats-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 20px;
    }
    .stat-badge {
      background: var(--green-800);
      border-radius: var(--radius-md);
      padding: 24px;
      text-align: center;
      box-shadow: 0 6px 18px rgba(31, 74, 63, 0.14);
      transition: transform .3s ease, box-shadow .3s ease;
    }
    .stat-badge:hover {
      transform: translateY(-3px);
      box-shadow: var(--shadow-lg);
    }
    .stat-badge strong {
      display: block;
      font-size: 36px;
      font-weight: 800;
      color: var(--amber);
      line-height: 1.2;
      font-family: var(--font-num);
      font-variant-numeric: tabular-nums;
    }
    .stat-badge span {
      display: block;
      font-size: 14px;
      color: #CFE3DA;
      margin-top: 6px;
      font-weight: 500;
    }

    .faq-section {
      padding: 88px 0;
      background: var(--paper);
    }
    .faq-section .section-tag { margin-bottom: 14px; }
    .faq-section h2 {
      font-size: 34px;
      font-weight: 700;
      line-height: 1.3;
      color: var(--text-main);
      margin-bottom: 14px;
    }
    .faq-section > .grid-container > .grid-x > .cell > p {
      color: var(--text-weak);
      font-size: 16px;
      line-height: 1.7;
      margin-bottom: 24px;
    }
    .faq-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }
    .faq-tags span {
      padding: 6px 16px;
      border-radius: 999px;
      background: #fff;
      border: 1px solid var(--border);
      font-size: 14px;
      font-weight: 600;
      color: var(--green-800);
    }

    .faq-accordion {
      background: transparent;
      border: none;
    }
    .faq-accordion .accordion-item {
      background: #fff;
      border-radius: var(--radius-md);
      margin-bottom: 16px;
      border: 1px solid var(--border);
      overflow: hidden;
      transition: box-shadow .3s ease;
    }
    .faq-accordion .accordion-item:hover {
      box-shadow: 0 8px 20px rgba(31, 74, 63, 0.08);
    }
    .faq-accordion .accordion-item.is-active {
      box-shadow: 0 12px 28px rgba(31, 74, 63, 0.12);
      border-color: rgba(31, 74, 63, 0.16);
    }
    .faq-accordion .accordion-title {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 18px 20px;
      font-size: 17px;
      font-weight: 600;
      color: var(--text-main);
      background: transparent;
      border: none;
      position: relative;
      margin: 0;
      line-height: 1.5;
    }
    .faq-accordion .accordion-title::before,
    .faq-accordion .accordion-title::after {
      content: '';
      position: absolute;
      right: 24px;
      top: 50%;
      width: 14px;
      height: 2px;
      background: var(--green-800);
      border-radius: 2px;
      transform: translateY(-50%);
    }
    .faq-accordion .accordion-title::after {
      transform: translateY(-50%) rotate(90deg);
      transition: transform .3s ease;
    }
    .faq-accordion .accordion-item.is-active .accordion-title::after {
      transform: translateY(-50%) rotate(0deg);
    }
    .faq-accordion .accordion-content {
      padding: 0 20px 20px;
      font-size: 15px;
      line-height: 1.7;
      color: var(--text-weak);
      background: #fff;
      border-left: 3px solid var(--amber);
      margin-left: 20px;
      border-radius: 0 0 0 var(--radius-md);
    }
    .faq-accordion .accordion-content p { margin-bottom: 0; }

    .cta-section {
      padding: 88px 0;
      background: var(--gradient-green);
      position: relative;
      overflow: hidden;
    }
    .cta-section::before {
      content: '';
      position: absolute;
      inset: 0;
      background-image: repeating-linear-gradient(135deg, rgba(255, 255, 255, 0.05) 0 1px, transparent 1px 30px);
      pointer-events: none;
    }
    .cta-card {
      text-align: center;
      color: #fff;
      padding: 40px 20px;
      position: relative;
    }
    .cta-card h2 {
      font-size: 34px;
      color: #fff;
      margin-bottom: 12px;
      line-height: 1.3;
    }
    .cta-card p {
      font-size: 17px;
      color: rgba(255, 255, 255, 0.85);
      margin-bottom: 28px;
    }

    .site-links-section {
      padding: 72px 0;
      background: var(--paper);
      text-align: center;
    }
    .site-links-section h3 {
      font-size: 26px;
      color: var(--text-main);
      margin-bottom: 28px;
    }
    .site-links {
      display: flex;
      gap: 16px;
      justify-content: center;
      flex-wrap: wrap;
    }
    .site-links a {
      display: inline-block;
      padding: 12px 24px;
      border-radius: 999px;
      background: #fff;
      border: 1px solid rgba(31, 74, 63, 0.12);
      color: var(--green-800);
      font-weight: 600;
      font-size: 15px;
      transition: all .25s ease;
    }
    .site-links a:hover {
      background: var(--gradient-amber);
      border-color: transparent;
      color: var(--green-800);
      transform: translateY(-2px);
      box-shadow: 0 8px 20px rgba(242, 160, 61, 0.30);
    }

    .site-footer {
      background: var(--green-900);
      color: #CFE3DA;
      padding: 72px 0 32px;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1.2fr;
      gap: 48px;
      margin-bottom: 56px;
    }
    .site-footer .brand-logo { color: #fff; }
    .footer-brand p {
      margin-top: 16px;
      font-size: 15px;
      color: rgba(207, 227, 218, 0.70);
      line-height: 1.7;
      max-width: 260px;
    }
    .footer-col h4 {
      font-size: 15px;
      font-weight: 600;
      color: #fff;
      margin-bottom: 16px;
      letter-spacing: 0.03em;
    }
    .footer-col ul li { margin-bottom: 10px; }
    .footer-col ul li a {
      font-size: 14px;
      color: rgba(207, 227, 218, 0.70);
      line-height: 1.7;
    }
    .footer-col ul li a:hover { color: var(--amber); }
    .footer-contact p {
      font-size: 14px;
      color: rgba(207, 227, 218, 0.70);
      margin-bottom: 8px;
      line-height: 1.7;
    }
    .qr-placeholder {
      width: 96px;
      height: 96px;
      background: rgba(255, 255, 255, 0.95);
      border-radius: var(--radius-sm);
      margin-top: 16px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 12px;
      color: var(--green-800);
      font-weight: 600;
      text-align: center;
      line-height: 1.4;
    }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.10);
      padding-top: 24px;
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      align-items: center;
      justify-content: space-between;
      font-size: 13px;
      color: rgba(207, 227, 218, 0.50);
    }
    .footer-bottom a { color: rgba(207, 227, 218, 0.50); }
    .footer-bottom a:hover { color: var(--amber); }

    .floating-cta {
      position: fixed;
      right: 24px;
      bottom: 32px;
      z-index: 999;
    }
    .floating-btn {
      width: 64px;
      height: 64px;
      border-radius: 50%;
      background: var(--gradient-amber);
      color: var(--green-800);
      font-weight: 700;
      font-size: 15px;
      border: none;
      box-shadow: 0 8px 24px rgba(242, 160, 61, 0.40);
      transition: all .3s ease;
      display: flex;
      align-items: center;
      justify-content: center;
      animation: pulse 1.5s infinite;
      line-height: 1;
    }
    .floating-btn:hover {
      transform: scale(1.05);
      box-shadow: 0 12px 32px rgba(242, 160, 61, 0.50);
    }
    @keyframes pulse {
      0% { box-shadow: 0 0 0 0 rgba(242, 160, 61, 0.45); }
      70% { box-shadow: 0 0 0 14px rgba(242, 160, 61, 0); }
      100% { box-shadow: 0 0 0 0 rgba(242, 160, 61, 0); }
    }
    .floating-panel {
      position: absolute;
      right: 0;
      bottom: 76px;
      background: #fff;
      border-radius: var(--radius-md);
      box-shadow: 0 16px 40px rgba(20, 43, 37, 0.18);
      padding: 12px;
      display: none;
      min-width: 160px;
    }
    .floating-panel.open { display: block; }
    .floating-panel a {
      display: block;
      padding: 10px 16px;
      border-radius: var(--radius-sm);
      color: var(--text-main);
      font-weight: 600;
      font-size: 15px;
    }
    .floating-panel a:hover {
      background: rgba(31, 74, 63, 0.08);
      color: var(--green-800);
    }

    @media (max-width: 720px) {
      .main-nav::before { width: 100%; }
      .main-nav::after { display: none; }
      .menu-toggle {
        display: flex;
        color: #fff;
      }
      .nav-links {
        display: none;
        position: absolute;
        top: 56px;
        left: 0;
        right: 0;
        background: rgba(31, 74, 63, 0.97);
        backdrop-filter: blur(8px);
        -webkit-backdrop-filter: blur(8px);
        flex-direction: column;
        align-items: flex-start;
        padding: 12px 24px 20px;
        box-shadow: 0 16px 32px rgba(20, 43, 37, 0.20);
      }
      .nav-links.open { display: flex; }
      .nav-links a {
        color: #CFE3DA;
        width: 100%;
        border-radius: var(--radius-sm);
      }
      .search-btn {
        border-color: rgba(255, 255, 255, 0.30);
        color: #fff;
      }
      .nav-login-btn { color: var(--green-800); }

      .page-banner { padding: 112px 0 56px; }
      .page-banner h1 { font-size: 30px; }
      .banner-sub { font-size: 16px; }
      .banner-actions .btn { width: 100%; }
      .section-head h2 { font-size: 28px; }
      .step-section,
      .feature-detail-section,
      .stats-section,
      .faq-section,
      .cta-section { padding: 56px 0; }

      .feature-row {
        flex-direction: column;
        gap: 28px;
        margin-bottom: 56px;
      }
      .feature-row-reverse .feature-copy { order: 1; }
      .feature-row-reverse .feature-visual { order: 2; }
      .feature-copy h3 { font-size: 24px; }

      .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
        margin-top: 32px;
      }
      .stat-badge { padding: 16px; }
      .stat-badge strong { font-size: 26px; }
      .stat-badge span { font-size: 12px; }

      .faq-accordion .accordion-title {
        font-size: 15px;
        padding: 16px 16px;
        padding-right: 48px;
      }
      .faq-accordion .accordion-content {
        font-size: 14px;
        margin-left: 12px;
        padding: 0 16px 16px;
      }
      .faq-section h2 { font-size: 28px; }

      .cta-card h2 { font-size: 28px; }
      .cta-card .btn { width: 100%; }

      .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
      }
      .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
      }

      .floating-btn {
        width: 48px;
        height: 48px;
        font-size: 13px;
        animation: none;
      }
      .floating-panel { bottom: 60px; }
    }

    @media (max-width: 1024px) and (min-width: 721px) {
      .nav-links a { padding: 8px 10px; font-size: 13px; }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
      }
      .feature-row { gap: 36px; }
      .feature-copy h3 { font-size: 24px; }
    }

/* roulang page: category2 */
:root {
            --green: #1F4A3F;
            --greendark: #142B25;
            --greenlight: #2C6A5B;
            --amber: #F2A03D;
            --amberlight: #F4B860;
            --paper: #F7F4EF;
            --paperlight: #FBF9F4;
            --text: #1E2A26;
            --textweak: #5C6F67;
            --line: rgba(31, 74, 63, 0.10);
            --radius: 16px;
            --radiuslg: 24px;
            --shadow-sm: 0 2px 6px rgba(31, 74, 63, 0.06);
            --shadow-md: 0 16px 32px rgba(31, 74, 63, 0.10);
            --shadow-lg: 0 24px 48px rgba(31, 74, 63, 0.20);
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            margin: 0;
            font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            font-size: 16px;
            line-height: 1.75;
            color: var(--text);
            background: var(--paper);
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            color: var(--green);
            transition: color .2s ease, opacity .2s ease;
        }
        a:hover {
            color: var(--greenlight);
        }
        svg {
            display: block;
        }
        .grid-container {
            max-width: 1200px;
        }
        .grid-margin-x {
            margin-left: -12px;
            margin-right: -12px;
        }
        .grid-margin-x>.cell {
            margin-left: 12px;
            margin-right: 12px;
            margin-bottom: 24px;
        }
        .cell.large-6,
        .cell.large-5,
        .cell.large-7,
        .cell.large-4,
        .cell.large-8,
        .cell.large-3 {
            margin-bottom: 24px;
        }

        /* 按钮 */
        .btn {
            font-family: inherit;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border-radius: 999px;
            font-weight: 700;
            text-decoration: none;
            border: none;
            cursor: pointer;
            transition: all .2s ease;
        }
        .btn:focus-visible {
            outline: 3px solid rgba(242, 160, 61, 0.45);
            outline-offset: 2px;
        }
        .btn-primary {
            background: linear-gradient(135deg, #F2A03D, #F4B860);
            color: var(--greendark);
            padding: 14px 28px;
            font-size: 16px;
            box-shadow: var(--shadow-sm);
        }
        .btn-primary:hover {
            filter: brightness(1.06);
            box-shadow: 0 12px 24px rgba(242, 160, 61, 0.35);
            transform: translateY(-2px);
            color: var(--greendark);
        }
        .btn-primary:active {
            transform: translateY(0);
        }
        .btn-lg {
            padding: 16px 34px;
            font-size: 17px;
        }
        .btn-sm {
            padding: 9px 20px;
            font-size: 14px;
        }
        .btn-block {
            width: 100%;
        }
        .btn-outline-light {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.6);
            color: #fff;
            padding: 14px 28px;
            font-size: 15px;
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
        }

        /* 顶部导航 */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 200;
            height: 56px;
            background: linear-gradient(to right, rgba(31, 74, 63, 0.94) 0%, rgba(31, 74, 63, 0.94) 55%, rgba(247, 244, 239, 0.94) 55%, rgba(247, 244, 239, 0.94) 100%);
            backdrop-filter: blur(8px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            transition: box-shadow .2s ease;
        }
        .site-header.scrolled {
            box-shadow: 0 8px 24px rgba(20, 43, 37, 0.20);
        }
        .header-inner {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 48px;
            padding-right: 48px;
            height: 56px;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .header-brand {
            display: flex;
            align-items: center;
            gap: 28px;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
            flex-shrink: 0;
        }
        .logo-mark {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: radial-gradient(circle at 30% 30%, #fff, #e8e8e8);
            position: relative;
            box-shadow: inset 0 -2px 4px rgba(0, 0, 0, 0.15);
            flex-shrink: 0;
        }
        .logo-mark::after {
            content: "";
            position: absolute;
            left: 5px;
            right: 5px;
            top: 5px;
            bottom: 5px;
            border-radius: 50%;
            border: 2px solid var(--green);
            border-left-color: transparent;
            transform: rotate(25deg);
        }
        .brand-logo>span:last-child {
            font-size: 17px;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 26px;
        }
        .main-nav a {
            color: rgba(255, 255, 255, 0.85);
            font-size: 14px;
            font-weight: 600;
            text-decoration: none;
            position: relative;
            padding: 6px 2px;
            transition: color .2s;
        }
        .main-nav a:hover {
            color: #fff;
        }
        .main-nav a.active {
            color: var(--amberlight);
        }
        .main-nav a.active::after {
            content: "";
            position: absolute;
            left: 0;
            right: 0;
            bottom: 0;
            height: 2px;
            background: var(--amber);
            border-radius: 2px;
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .search-trigger {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: rgba(31, 74, 63, 0.10);
            border: none;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--greendark);
            cursor: pointer;
            transition: background .2s;
        }
        .search-trigger:hover {
            background: rgba(31, 74, 63, 0.18);
        }
        .nav-toggle {
            display: none;
            width: 38px;
            height: 38px;
            border: none;
            background: rgba(255, 255, 255, 0.12);
            border-radius: 10px;
            cursor: pointer;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
        }
        .nav-toggle span {
            width: 18px;
            height: 2px;
            background: #fff;
            border-radius: 2px;
            transition: transform .3s, opacity .3s;
        }
        .mobile-nav {
            position: absolute;
            top: 56px;
            left: 0;
            right: 0;
            background: var(--greendark);
            padding: 16px 24px 20px;
            display: none;
            flex-direction: column;
            gap: 4px;
            box-shadow: var(--shadow-lg);
        }
        .mobile-nav.open {
            display: flex;
        }
        .mobile-nav a {
            color: rgba(255, 255, 255, 0.9);
            padding: 12px 8px;
            font-size: 15px;
            font-weight: 600;
            text-decoration: none;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .mobile-nav a:hover {
            color: var(--amberlight);
        }
        .mobile-nav a.active {
            color: var(--amberlight);
        }
        .mobile-nav .btn {
            border-bottom: none;
            margin-top: 8px;
            justify-content: center;
        }
        @media (min-width: 721px) {
            .mobile-nav {
                display: none !important;
            }
        }

        /* Hero */
        .page-hero {
            background: linear-gradient(to right, var(--greendark) 0%, var(--greendark) 50%, var(--paper) 50%, var(--paper) 100%);
            padding: 88px 0;
            overflow: hidden;
            position: relative;
        }
        .page-hero::before {
            content: "";
            position: absolute;
            top: 0;
            bottom: 0;
            left: 0;
            width: 50%;
            background: repeating-linear-gradient(135deg, transparent, transparent 29px, rgba(255, 255, 255, 0.04) 30px);
            pointer-events: none;
        }
        .page-hero .grid-container {
            position: relative;
            z-index: 1;
        }
        .page-hero .grid-x {
            margin-left: 0;
            margin-right: 0;
        }
        .hero-content {
            padding-right: 32px;
            padding-left: 0;
        }
        .hero-visual {
            padding-left: 0;
            padding-right: 0;
            position: relative;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(242, 160, 61, 0.14);
            border: 1px solid rgba(242, 160, 61, 0.35);
            color: var(--amberlight);
            padding: 5px 14px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.05em;
        }
        .hero-content h1 {
            font-size: 46px;
            line-height: 1.25;
            color: #fff;
            font-weight: 700;
            margin: 20px 0 18px;
            letter-spacing: -0.02em;
        }
        .hero-lead {
            font-size: 17px;
            line-height: 1.75;
            color: rgba(255, 255, 255, 0.78);
            max-width: 30em;
            margin-bottom: 0;
        }
        .hero-actions {
            display: flex;
            gap: 14px;
            margin-top: 30px;
            flex-wrap: wrap;
        }
        .hero-stats {
            display: flex;
            gap: 32px;
            margin-top: 40px;
            flex-wrap: wrap;
        }
        .mini-stat strong {
            display: block;
            font-size: 26px;
            font-weight: 800;
            color: var(--amberlight);
            line-height: 1.2;
            font-feature-settings: "tnum";
        }
        .mini-stat span {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
        }
        .hero-card {
            background: #fff;
            border-radius: 24px;
            box-shadow: var(--shadow-lg);
            padding: 12px;
            margin-left: -24px;
            margin-top: 8px;
            margin-bottom: 8px;
        }
        .hero-card img {
            width: 100%;
            height: 360px;
            object-fit: cover;
            border-radius: 16px;
        }
        .float-badge {
            position: absolute;
            top: -14px;
            right: -10px;
            background: linear-gradient(135deg, var(--amber), var(--amberlight));
            color: var(--greendark);
            font-weight: 800;
            font-size: 14px;
            padding: 10px 16px;
            border-radius: 14px;
            box-shadow: var(--shadow-md);
            transform: rotate(4deg);
            z-index: 2;
        }
        .hero-card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 12px 8px 6px;
        }
        .meta-tag {
            font-size: 12px;
            font-weight: 700;
            color: var(--greendark);
            background: rgba(31, 74, 63, 0.08);
            padding: 4px 10px;
            border-radius: 10px;
        }
        .hero-card-meta span:last-child {
            font-size: 13px;
            color: var(--textweak);
        }

        /* 通用板块 */
        .section {
            padding: 88px 0;
        }
        .section-light {
            background: var(--paper);
        }
        .section-white {
            background: #fff;
        }
        .section-dark {
            background: linear-gradient(135deg, var(--green) 0%, var(--greenlight) 100%);
            position: relative;
            color: #fff;
        }
        .section-dark::before {
            content: "";
            position: absolute;
            inset: 0;
            background: repeating-linear-gradient(135deg, transparent, transparent 29px, rgba(255, 255, 255, 0.04) 30px);
            pointer-events: none;
        }
        .section-dark .grid-container {
            position: relative;
            z-index: 1;
        }
        .section-head {
            margin-bottom: 44px;
        }
        .section-head.center {
            text-align: center;
        }
        .section-head.center p {
            margin-left: auto;
            margin-right: auto;
        }
        .section-eyebrow {
            display: inline-block;
            font-size: 14px;
            font-weight: 600;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--amber);
            margin-bottom: 8px;
        }
        .section-eyebrow.light {
            color: var(--amberlight);
        }
        .section-head h2 {
            font-size: 34px;
            font-weight: 700;
            color: var(--greendark);
            margin: 0 0 12px;
            line-height: 1.3;
            letter-spacing: -0.01em;
        }
        .section-dark .section-head h2,
        .section-dark .proof-text h2 {
            color: #fff;
        }
        .section-head p {
            font-size: 16px;
            color: var(--textweak);
            max-width: 560px;
            margin: 0;
        }
        .section-dark p {
            color: rgba(255, 255, 255, 0.8);
        }

        /* 卡片 */
        .card {
            background: #fff;
            border: 1px solid var(--line);
            border-radius: 16px;
            box-shadow: var(--shadow-sm);
            transition: transform .3s, box-shadow .3s;
            height: 100%;
        }
        .card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .feature-large {
            overflow: hidden;
            display: flex;
            flex-direction: column;
            padding: 0;
        }
        .feature-img {
            overflow: hidden;
            margin: 0;
        }
        .feature-img img {
            width: 100%;
            height: 250px;
            object-fit: cover;
            transition: transform .5s ease;
        }
        .feature-large:hover .feature-img img {
            transform: scale(1.03);
        }
        .card-body {
            padding: 28px;
            position: relative;
            flex: 1;
        }
        .card-tag {
            display: inline-flex;
            background: rgba(31, 74, 63, 0.08);
            color: var(--green);
            font-size: 12px;
            font-weight: 700;
            padding: 4px 10px;
            border-radius: 10px;
            margin-bottom: 14px;
        }
        .card h3 {
            font-size: 23px;
            font-weight: 600;
            color: var(--greendark);
            margin: 0 0 10px;
            line-height: 1.4;
        }
        .card p {
            font-size: 15px;
            line-height: 1.7;
            color: var(--textweak);
            margin: 0;
        }
        .feature-data {
            position: absolute;
            top: 20px;
            right: 20px;
            background: var(--greendark);
            color: var(--amber);
            font-size: 24px;
            font-weight: 800;
            padding: 8px 14px;
            border-radius: 14px;
            box-shadow: var(--shadow-md);
        }
        .feature-small {
            padding: 28px;
            display: flex;
            flex-direction: column;
        }
        .icon-wrap {
            width: 56px;
            height: 56px;
            border-radius: 16px;
            background: linear-gradient(135deg, rgba(31, 74, 63, 0.08), rgba(44, 106, 91, 0.12));
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 18px;
            color: var(--green);
        }

        /* 场景卡片 */
        .scene-card {
            padding: 0;
            overflow: hidden;
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .scene-card img {
            width: 100%;
            height: 220px;
            object-fit: cover;
        }
        .scene-content {
            padding: 24px 28px 28px;
            flex: 1;
        }
        .scene-tags {
            display: flex;
            gap: 8px;
            margin-bottom: 12px;
            flex-wrap: wrap;
        }
        .scene-tags span {
            font-size: 12px;
            font-weight: 600;
            background: rgba(31, 74, 63, 0.08);
            color: var(--green);
            padding: 4px 10px;
            border-radius: 10px;
        }
        .scene-content h3 {
            font-size: 22px;
            font-weight: 600;
            color: var(--greendark);
            margin: 0 0 8px;
        }
        .scene-content p {
            font-size: 15px;
            color: var(--textweak);
            margin: 0;
        }

        /* 流程 */
        .step-item {
            text-align: center;
            padding: 24px 16px;
            position: relative;
        }
        .step-num {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--green), var(--greenlight));
            color: #fff;
            font-size: 20px;
            font-weight: 800;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 18px;
            box-shadow: var(--shadow-md);
        }
        .step-item h3 {
            font-size: 19px;
            font-weight: 600;
            color: var(--greendark);
            margin: 0 0 8px;
        }
        .step-item p {
            font-size: 14px;
            color: var(--textweak);
            margin: 0;
        }
        @media (min-width: 1025px) {
            .step-item::after {
                content: "";
                position: absolute;
                right: -10px;
                top: 42px;
                width: 20px;
                height: 2px;
                background: rgba(31, 74, 63, 0.2);
            }
            .step-item:last-child::after {
                display: none;
            }
        }

        /* 证据 */
        .proof-text {
            position: relative;
            z-index: 1;
        }
        .proof-text h2 {
            font-size: 34px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 16px;
        }
        .proof-text p {
            color: rgba(255, 255, 255, 0.8);
            max-width: 28em;
        }
        .stat-tile {
            width: 112px;
            height: 112px;
            background: var(--greendark);
            border-radius: 16px;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            box-shadow: var(--shadow-md);
            margin-bottom: 24px;
            transition: transform .3s;
        }
        .stat-tile:hover {
            transform: translateY(-4px);
        }
        .stat-tile strong {
            font-size: 34px;
            font-weight: 800;
            color: var(--amber);
            line-height: 1;
            font-feature-settings: "tnum";
        }
        .stat-tile span {
            font-size: 13px;
            color: #CFE3DA;
            margin-top: 8px;
            text-align: center;
        }

        /* FAQ */
        .faq-intro h2 {
            font-size: 34px;
            font-weight: 700;
            color: var(--greendark);
            margin: 0 0 12px;
        }
        .faq-intro p {
            color: var(--textweak);
            margin-bottom: 24px;
        }
        .faq-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .tag-btn {
            font-family: inherit;
            display: inline-flex;
            border: 1px solid var(--line);
            background: #fff;
            color: var(--green);
            font-size: 13px;
            font-weight: 600;
            padding: 8px 16px;
            border-radius: 999px;
            cursor: default;
            transition: background .2s, border-color .2s;
        }
        .tag-btn:hover {
            background: rgba(31, 74, 63, 0.08);
            border-color: rgba(31, 74, 63, 0.25);
        }
        .accordion {
            background: transparent;
            margin: 0;
        }
        .accordion-item {
            background: #fff;
            border: 1px solid var(--line);
            border-radius: 16px;
            margin-bottom: 14px;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: box-shadow .3s;
        }
        .accordion-item.is-active {
            box-shadow: var(--shadow-md);
        }
        .accordion-title {
            font-family: inherit;
            background: #fff !important;
            color: var(--greendark) !important;
            font-size: 17px;
            font-weight: 600;
            line-height: 1.5;
            padding: 18px 56px 18px 20px;
            border-bottom: 1px solid transparent;
            position: relative;
        }
        .accordion-title:hover,
        .accordion-title:focus {
            background: var(--paperlight) !important;
            color: var(--greendark) !important;
        }
        .accordion-title::before {
            display: none !important;
        }
        .accordion-title::after {
            content: "+" !important;
            display: inline-flex !important;
            align-items: center;
            justify-content: center;
            width: 24px;
            height: 24px;
            position: absolute;
            right: 18px;
            top: 50%;
            transform: translateY(-50%);
            font-size: 20px;
            font-weight: 400;
            color: var(--amber);
            background: rgba(242, 160, 61, 0.14);
            border-radius: 50%;
            transition: transform .3s, background .3s, color .3s;
        }
        .accordion-item.is-active .accordion-title::after {
            transform: translateY(-50%) rotate(45deg);
            background: var(--amber);
            color: #fff;
        }
        .accordion-item.is-active .accordion-title {
            border-bottom-color: var(--line);
        }
        .accordion-content {
            padding: 4px 24px 22px;
            color: var(--textweak);
            font-size: 15px;
            line-height: 1.75;
            box-shadow: inset 3px 0 0 var(--amber);
            border-radius: 0 0 16px 16px;
        }
        .accordion-content p {
            margin: 0;
        }

        /* CTA */
        .cta-section {
            background: linear-gradient(135deg, var(--green) 0%, var(--greenlight) 100%);
            position: relative;
            padding: 80px 0;
            text-align: center;
            overflow: hidden;
        }
        .cta-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background: repeating-linear-gradient(135deg, transparent, transparent 29px, rgba(255, 255, 255, 0.05) 30px);
        }
        .cta-inner {
            position: relative;
            z-index: 1;
        }
        .cta-section h2 {
            font-size: 36px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 14px;
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 17px;
            margin-bottom: 32px;
        }

        /* 页脚 */
        .site-footer {
            background: var(--greendark);
            color: rgba(255, 255, 255, 0.75);
            padding: 72px 0 32px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.4fr;
            gap: 48px;
            margin-bottom: 48px;
        }
        .site-footer .brand-logo>span:last-child {
            color: #fff;
        }
        .site-footer .brand-logo p {
            margin-top: 14px;
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.6);
        }
        .footer-col h4 {
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            margin: 0 0 16px;
        }
        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul a {
            color: rgba(255, 255, 255, 0.65);
            text-decoration: none;
            font-size: 14px;
            transition: color .2s;
        }
        .footer-col ul a:hover {
            color: var(--amber);
        }
        .footer-contact p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
            margin-bottom: 10px;
        }
        .qr-placeholder {
            width: 96px;
            height: 96px;
            background: #fff;
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            font-size: 12px;
            color: var(--greendark);
            font-weight: 600;
            line-height: 1.5;
            box-shadow: var(--shadow-md);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.6);
            text-decoration: none;
        }
        .footer-bottom a:hover {
            color: var(--amber);
        }

        /* 浮动 CTA */
        .float-cta {
            position: fixed;
            right: 24px;
            bottom: 24px;
            z-index: 300;
        }
        .float-main {
            position: relative;
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--amber), var(--amberlight));
            color: var(--greendark);
            font-weight: 700;
            font-size: 15px;
            border: none;
            cursor: pointer;
            box-shadow: 0 16px 32px rgba(242, 160, 61, 0.4);
            transition: transform .2s, box-shadow .2s;
            font-family: inherit;
        }
        .float-main:hover {
            transform: translateY(-3px);
            box-shadow: 0 20px 40px rgba(242, 160, 61, 0.5);
        }
        .float-main::before {
            content: "";
            position: absolute;
            inset: -6px;
            border-radius: 50%;
            border: 2px solid rgba(242, 160, 61, 0.4);
            animation: pulse 1.5s infinite;
        }
        @keyframes pulse {
            0% {
                transform: scale(0.95);
                opacity: 0.8;
            }
            100% {
                transform: scale(1.25);
                opacity: 0;
            }
        }
        .float-panel {
            position: absolute;
            right: 0;
            bottom: 84px;
            background: #fff;
            border-radius: 16px;
            box-shadow: var(--shadow-lg);
            padding: 10px;
            width: 180px;
            display: none;
            z-index: 2;
        }
        .float-panel.open {
            display: block;
        }
        .float-panel a {
            display: block;
            padding: 12px 16px;
            border-radius: 12px;
            color: var(--greendark);
            text-decoration: none;
            font-weight: 600;
            font-size: 14px;
            transition: background .2s;
        }
        .float-panel a:hover {
            background: rgba(31, 74, 63, 0.08);
        }

        /* 动画 */
        .reveal {
            opacity: 0;
            transform: translateY(16px);
            transition: opacity .4s ease, transform .4s ease;
        }
        .reveal.visible {
            opacity: 1;
            transform: none;
        }
        @media (prefers-reduced-motion: reduce) {
            .reveal {
                transition: none;
                opacity: 1;
                transform: none;
            }
            .float-main::before {
                animation: none;
            }
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .section {
                padding: 64px 0;
            }
            .hero-content h1 {
                font-size: 36px;
            }
            .hero-card img {
                height: 300px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }
        @media (max-width: 720px) {
            .site-header {
                height: 52px;
                background: rgba(31, 74, 63, 0.96);
            }
            .header-inner {
                height: 52px;
                padding-left: 24px;
                padding-right: 24px;
            }
            .main-nav {
                display: none;
            }
            .search-trigger {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .header-brand {
                gap: 10px;
            }
            .brand-logo>span:last-child {
                font-size: 15px;
            }
            .mobile-nav {
                top: 52px;
            }
            .page-hero {
                background: var(--greendark);
                padding: 56px 0;
            }
            .hero-content h1 {
                font-size: 32px;
            }
            .hero-content {
                padding-right: 0;
            }
            .hero-visual {
                margin-top: 24px;
            }
            .hero-card {
                margin-left: 0;
                margin-bottom: 0;
                margin-top: 0;
            }
            .hero-card img {
                height: 220px;
            }
            .hero-stats {
                gap: 20px;
                margin-top: 28px;
            }
            .mini-stat strong {
                font-size: 22px;
            }
            .section {
                padding: 56px 0;
            }
            .section-head {
                margin-bottom: 32px;
            }
            .section-head h2 {
                font-size: 28px;
            }
            .card-body {
                padding: 22px;
            }
            .stat-tile {
                width: 88px;
                height: 88px;
                margin-left: auto;
                margin-right: auto;
            }
            .stat-tile strong {
                font-size: 28px;
            }
            .stat-tile span {
                font-size: 12px;
            }
            .cta-section {
                padding: 56px 0;
            }
            .cta-section h2 {
                font-size: 28px;
            }
            .float-cta {
                right: 16px;
                bottom: 16px;
            }
            .float-main {
                width: 48px;
                height: 48px;
                font-size: 13px;
            }
            .float-main::before {
                display: none;
            }
            .float-panel {
                right: 0;
                bottom: 64px;
                width: 170px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .footer-bottom {
                justify-content: center;
                text-align: center;
            }
            .footer-bottom span,
            .footer-bottom a {
                display: block;
                width: 100%;
            }
        }

/* roulang page: category3 */
/* ============ 设计变量与基础 ============ */
        :root {
            --primary: #1F4A3F;
            --primary-dark: #142B25;
            --primary-light: #2C6A5B;
            --accent: #F2A03D;
            --accent-light: #F4B860;
            --bg: #F7F4EF;
            --card-bg: #FFFFFF;
            --card-warm: #FBF9F4;
            --text: #142B25;
            --text-weak: #5A6B65;
            --text-light: #CFE3DA;
            --border: rgba(31, 74, 63, 0.10);
            --border-strong: rgba(31, 74, 63, 0.15);
            --shadow-sm: 0 2px 6px rgba(31, 74, 63, 0.06);
            --shadow-md: 0 16px 32px rgba(31, 74, 63, 0.10);
            --shadow-lg: 0 24px 48px rgba(31, 74, 63, 0.20);
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-pill: 999px;
            --space-section: 88px;
            --font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            --font-en: "Helvetica Neue", Arial, sans-serif;
        }
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color .2s;
        }
        a:hover {
            color: var(--primary-light);
        }
        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
        }
        ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            margin: 0 0 .5em;
            font-weight: 700;
            line-height: 1.3;
            color: var(--text);
        }
        p {
            margin: 0 0 1em;
        }
        .grid-container {
            max-width: 1200px;
        }

        /* ============ 区块通用 ============ */
        .section {
            padding: var(--space-section) 0;
        }
        .section-tag {
            display: inline-block;
            font-size: 14px;
            font-weight: 600;
            letter-spacing: .08em;
            color: var(--accent);
            background: rgba(242, 160, 61, 0.12);
            padding: 6px 16px;
            border-radius: var(--radius-pill);
            margin-bottom: 16px;
            white-space: nowrap;
        }
        .section-title {
            font-size: 34px;
            line-height: 1.3;
            margin-bottom: 14px;
        }
        .section-desc {
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-weak);
            max-width: 620px;
            margin-bottom: 32px;
        }
        .section-head {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-head .section-desc {
            margin-left: auto;
            margin-right: auto;
        }

        /* ============ 按钮 ============ */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 30px;
            border-radius: var(--radius-pill);
            font-size: 15px;
            font-weight: 700;
            line-height: 1.4;
            border: 1px solid transparent;
            transition: all .2s ease;
            cursor: pointer;
            font-family: inherit;
            text-align: center;
            white-space: nowrap;
        }
        .btn-accent {
            background: linear-gradient(135deg, var(--accent), var(--accent-light));
            color: var(--primary-dark);
        }
        .btn-accent:hover {
            filter: brightness(1.05);
            box-shadow: 0 10px 24px rgba(242, 160, 61, 0.35);
            color: var(--primary-dark);
            transform: translateY(-2px);
        }
        .btn-accent:active {
            transform: translateY(0);
        }
        .btn-secondary {
            background: var(--primary);
            color: #fff;
        }
        .btn-secondary:hover {
            background: var(--primary-light);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }
        .btn-secondary:active {
            transform: translateY(0);
        }
        .btn-outline-light {
            background: transparent;
            border-color: rgba(255, 255, 255, .65);
            color: #fff;
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, .12);
            color: #fff;
            transform: translateY(-2px);
        }
        .btn-sm {
            padding: 9px 20px;
            font-size: 14px;
        }
        .btn-lg {
            padding: 18px 46px;
            font-size: 17px;
        }
        .btn:focus-visible {
            outline: 3px solid rgba(242, 160, 61, .45);
            outline-offset: 2px;
        }

        /* ============ 顶部导航 ============ */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            height: 56px;
            background: rgba(31, 74, 63, 0.92);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            transition: box-shadow .2s;
        }
        .site-header.scrolled {
            box-shadow: 0 4px 20px rgba(20, 43, 37, 0.18);
        }
        .site-header::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 50%;
            height: 100%;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            z-index: 0;
        }
        .site-header::after {
            content: "";
            position: absolute;
            top: 0;
            right: 0;
            width: 50%;
            height: 100%;
            background: rgba(247, 244, 239, .92);
            z-index: 0;
        }
        .nav-inner {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            height: 56px;
            padding: 0 48px;
            max-width: 1200px;
            margin: 0 auto;
        }
        .brand-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 17px;
            font-weight: 700;
            color: #fff;
            white-space: nowrap;
            flex: 0 0 auto;
        }
        .brand-logo:hover {
            color: var(--accent-light);
        }
        .logo-mark {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: linear-gradient(135deg, #fff, #f0ece4);
            box-shadow: inset 0 0 0 2px rgba(31, 74, 63, .15);
            position: relative;
            display: inline-block;
            flex: 0 0 auto;
        }
        .logo-mark::before {
            content: "";
            position: absolute;
            width: 18px;
            height: 9px;
            border: 2px solid var(--accent);
            border-bottom: none;
            border-radius: 18px 18px 0 0;
            top: 5px;
            left: 5px;
            transform: rotate(20deg);
        }
        .logo-mark::after {
            content: "";
            position: absolute;
            width: 10px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
            bottom: 8px;
            right: 6px;
            transform: rotate(35deg);
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            margin-left: 40px;
        }
        .main-nav a {
            display: inline-block;
            padding: 8px 14px;
            font-size: 15px;
            font-weight: 500;
            color: rgba(255, 255, 255, .82);
            border-radius: var(--radius-pill);
            transition: color .2s, background .2s;
            white-space: nowrap;
        }
        .main-nav a:hover {
            color: #fff;
            background: rgba(255, 255, 255, .08);
        }
        .main-nav a.active {
            color: #fff;
            background: rgba(255, 255, 255, .14);
            font-weight: 600;
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 14px;
            margin-left: auto;
            flex: 0 0 auto;
        }
        .search-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            color: var(--primary-dark);
            background: rgba(31, 74, 63, .06);
            transition: background .2s, transform .2s;
        }
        .search-btn:hover {
            background: rgba(31, 74, 63, .12);
            transform: scale(1.05);
        }
        .search-btn svg {
            width: 18px;
            height: 18px;
        }

        /* ============ 分类页 Hero ============ */
        .category-hero {
            position: relative;
            padding: 110px 0;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            overflow: hidden;
        }
        .category-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(115deg, rgba(20, 43, 37, .94) 15%, rgba(31, 74, 63, .78) 55%, rgba(44, 106, 91, .4));
        }
        .category-hero::after {
            content: "";
            position: absolute;
            inset: 0;
            background-image: repeating-linear-gradient(135deg, rgba(255, 255, 255, .04) 0 1px, transparent 1px 30px);
            pointer-events: none;
        }
        .category-hero-inner {
            position: relative;
            z-index: 2;
        }
        .hero-eyebrow {
            display: inline-block;
            font-size: 14px;
            font-weight: 600;
            letter-spacing: .1em;
            color: var(--accent-light);
            background: rgba(242, 160, 61, .14);
            border: 1px solid rgba(242, 160, 61, .25);
            border-radius: var(--radius-pill);
            padding: 6px 18px;
            margin-bottom: 20px;
        }
        .category-hero h1 {
            font-size: 50px;
            font-weight: 700;
            line-height: 1.25;
            color: #fff;
            max-width: 780px;
            margin-bottom: 20px;
        }
        .category-hero h1 .highlight {
            color: var(--accent-light);
        }
        .hero-lead {
            font-size: 18px;
            line-height: 1.75;
            color: rgba(255, 255, 255, .88);
            max-width: 600px;
            margin-bottom: 30px;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
        }

        /* ============ 数据概览 ============ */
        .stats-section {
            padding: 72px 0 84px;
            background: var(--card-bg);
        }
        .stat-card {
            background: linear-gradient(135deg, var(--primary-dark), var(--primary));
            border-radius: var(--radius-md);
            padding: 32px 24px;
            text-align: center;
            box-shadow: var(--shadow-md);
            height: 178px;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            transition: transform .3s, box-shadow .3s;
        }
        .stat-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }
        .stat-num {
            font-family: var(--font-en);
            font-size: 42px;
            font-weight: 800;
            color: var(--accent);
            line-height: 1.1;
            font-variant-numeric: tabular-nums;
        }
        .stat-label {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-light);
            margin-top: 8px;
            letter-spacing: .04em;
        }
        .stat-desc {
            text-align: center;
            color: var(--text-weak);
            font-size: 14px;
            margin-top: 28px;
        }

        /* ============ 权益总览（交错图文） ============ */
        .benefits-section {
            background: var(--bg);
        }
        .benefit-block+.benefit-block {
            margin-top: 72px;
        }
        .benefit-content .section-tag {
            margin-bottom: 12px;
        }
        .benefit-content h2 {
            font-size: 32px;
            margin-bottom: 14px;
        }
        .benefit-content>p {
            color: var(--text-weak);
            font-size: 16px;
            margin-bottom: 20px;
        }
        .benefit-points {
            margin-bottom: 24px;
        }
        .benefit-points li {
            position: relative;
            padding-left: 26px;
            margin-bottom: 10px;
            font-size: 15px;
            line-height: 1.6;
            color: var(--text);
        }
        .benefit-points li::before {
            content: "";
            position: absolute;
            left: 0;
            top: 10px;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--accent);
            box-shadow: 0 0 0 4px rgba(242, 160, 61, .15);
        }
        .benefit-visual {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
        }
        .benefit-visual img {
            width: 100%;
            height: 360px;
            object-fit: cover;
            transition: transform .5s ease;
        }
        .benefit-visual:hover img {
            transform: scale(1.03);
        }
        .benefit-badge {
            position: absolute;
            top: 20px;
            right: 20px;
            background: linear-gradient(135deg, var(--accent), var(--accent-light));
            color: var(--primary-dark);
            font-size: 14px;
            font-weight: 700;
            text-align: center;
            border-radius: var(--radius-md);
            padding: 12px 16px;
            line-height: 1.3;
            box-shadow: 0 8px 20px rgba(242, 160, 61, .35);
        }
        .benefit-visual.two img {
            height: 300px;
        }

        /* ============ 权益卡片（2+2） ============ */
        .perks-section {
            background: var(--card-bg);
        }
        .perk-card {
            background: var(--card-warm);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 30px 28px;
            height: 100%;
            transition: transform .3s, box-shadow .3s;
            position: relative;
            overflow: hidden;
        }
        .perk-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 100%;
            background: linear-gradient(135deg, var(--accent), var(--accent-light));
            opacity: 0;
            transition: opacity .3s;
        }
        .perk-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .perk-card:hover::before {
            opacity: 1;
        }
        .perk-icon {
            width: 48px;
            height: 48px;
            border-radius: 14px;
            background: rgba(31, 74, 63, .08);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
            color: var(--primary);
        }
        .perk-icon svg {
            width: 24px;
            height: 24px;
        }
        .perk-card h3 {
            font-size: 22px;
            font-weight: 600;
            margin-bottom: 10px;
        }
        .perk-card p {
            font-size: 15px;
            color: var(--text-weak);
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* ============ 流程步骤 ============ */
        .steps-section {
            background: var(--bg);
        }
        .step-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            height: 100%;
            position: relative;
            transition: transform .3s, box-shadow .3s;
        }
        .step-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .step-num {
            display: inline-block;
            font-family: var(--font-en);
            font-size: 32px;
            font-weight: 800;
            color: rgba(31, 74, 63, .18);
            line-height: 1;
            margin-bottom: 14px;
        }
        .step-card h3 {
            font-size: 20px;
            font-weight: 600;
            margin-bottom: 8px;
        }
        .step-card p {
            font-size: 14px;
            line-height: 1.7;
            color: var(--text-weak);
            margin-bottom: 0;
        }

        /* ============ 会员方案 ============ */
        .pricing-section {
            background: var(--card-bg);
        }
        .pricing-grid {
            align-items: center;
        }
        .price-card {
            background: var(--card-warm);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            height: 100%;
            display: flex;
            flex-direction: column;
            transition: transform .3s, box-shadow .3s;
            position: relative;
        }
        .price-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .price-card h3 {
            font-size: 22px;
            font-weight: 600;
            margin-bottom: 12px;
        }
        .price {
            font-family: var(--font-en);
            font-size: 44px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.1;
            margin-bottom: 2px;
            font-variant-numeric: tabular-nums;
        }
        .price-card.featured .price {
            color: var(--accent-light);
        }
        .period {
            font-size: 14px;
            color: var(--text-weak);
            margin-bottom: 20px;
        }
        .price-card.featured .period {
            color: rgba(255, 255, 255, .7);
        }
        .price-list {
            margin-bottom: 24px;
            flex: 1;
        }
        .price-list li {
            position: relative;
            padding-left: 30px;
            font-size: 15px;
            line-height: 1.6;
            margin-bottom: 10px;
            color: var(--text);
        }
        .price-card.featured .price-list li {
            color: rgba(255, 255, 255, .88);
        }
        .price-list li::before {
            content: "";
            position: absolute;
            left: 0;
            top: 8px;
            width: 16px;
            height: 12px;
            border-left: 2px solid var(--accent);
            border-bottom: 2px solid var(--accent);
            transform: rotate(-45deg);
        }
        .price-card.featured {
            background: linear-gradient(135deg, var(--primary-dark), var(--primary-light));
            color: #fff;
            padding: 44px 34px;
            transform: translateY(-24px);
            box-shadow: var(--shadow-lg);
            border-color: transparent;
        }
        .price-card.featured:hover {
            transform: translateY(-28px);
            box-shadow: var(--shadow-lg);
        }
        .price-tag {
            position: absolute;
            top: -14px;
            left: 50%;
            transform: translateX(-50%);
            background: linear-gradient(135deg, var(--accent), var(--accent-light));
            color: var(--primary-dark);
            font-size: 13px;
            font-weight: 700;
            padding: 6px 18px;
            border-radius: var(--radius-pill);
            white-space: nowrap;
            box-shadow: 0 4px 12px rgba(242, 160, 61, .4);
        }
        .price-card.featured .btn-accent {
            width: 100%;
        }
        .price-card:not(.featured) .btn-secondary {
            width: 100%;
        }

        /* ============ FAQ ============ */
        .faq-section {
            background: var(--bg);
        }
        .faq-intro h2 {
            font-size: 32px;
            margin-bottom: 12px;
        }
        .faq-intro p {
            color: var(--text-weak);
            margin-bottom: 24px;
        }
        .accordion {
            background: transparent;
            border: none;
            border-radius: 0;
            margin-left: 0;
            box-shadow: none;
        }
        .accordion-item {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: 12px;
            margin-bottom: 14px;
            overflow: hidden;
            transition: box-shadow .3s;
        }
        .accordion-item.is-active {
            box-shadow: var(--shadow-sm);
        }
        .accordion-title {
            font-size: 17px;
            font-weight: 600;
            line-height: 1.5;
            color: var(--text);
            padding: 18px 52px 18px 22px;
            border: none;
            position: relative;
            transition: background .2s;
        }
        .accordion-title:hover,
        .accordion-title:focus {
            background: rgba(31, 74, 63, .03);
            color: var(--primary);
            border: none;
        }
        .accordion-title::after {
            content: "";
            position: absolute;
            right: 22px;
            top: 50%;
            width: 14px;
            height: 14px;
            transform: translateY(-50%);
            background:
                linear-gradient(var(--primary), var(--primary)) center/14px 2px no-repeat,
                linear-gradient(var(--primary), var(--primary)) center/2px 14px no-repeat;
            transition: transform .3s ease;
            border-radius: 2px;
        }
        .accordion-item.is-active>.accordion-title::after {
            transform: translateY(-50%) rotate(45deg);
        }
        .accordion-content {
            border: none;
            background: var(--card-bg);
            padding: 0 24px 20px;
            border-left: 3px solid var(--accent);
            margin-left: 22px;
            margin-right: 22px;
            font-size: 15px;
            line-height: 1.75;
            color: var(--text-weak);
        }
        .accordion-content p {
            margin-bottom: 0;
        }

        /* ============ CTA 区块 ============ */
        .cta-section {
            position: relative;
            padding: 88px 0;
            background: linear-gradient(135deg, var(--primary-dark), var(--primary-light));
            overflow: hidden;
        }
        .cta-section::after {
            content: "";
            position: absolute;
            inset: 0;
            background-image: repeating-linear-gradient(135deg, rgba(255, 255, 255, .05) 0 1px, transparent 1px 30px);
            pointer-events: none;
        }
        .cta-box {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 640px;
            margin: 0 auto;
        }
        .cta-box h2 {
            font-size: 36px;
            color: #fff;
            margin-bottom: 14px;
        }
        .cta-box p {
            font-size: 17px;
            color: rgba(255, 255, 255, .82);
            margin-bottom: 30px;
        }

        /* ============ 页脚 ============ */
        .site-footer {
            background: var(--primary-dark);
            color: rgba(255, 255, 255, .78);
            padding: 72px 0 32px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1.3fr;
            gap: 40px;
            margin-bottom: 48px;
        }
        .brand-logo.footer-logo {
            color: #fff;
            font-size: 18px;
            margin-bottom: 14px;
        }
        .footer-brand p {
            font-size: 14px;
            color: rgba(255, 255, 255, .6);
            line-height: 1.7;
            max-width: 260px;
            margin-bottom: 0;
        }
        .footer-col h4 {
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 18px;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col a {
            font-size: 14px;
            color: rgba(255, 255, 255, .68);
            transition: color .2s;
        }
        .footer-col a:hover {
            color: var(--accent-light);
        }
        .footer-contact p {
            font-size: 14px;
            color: rgba(255, 255, 255, .68);
            margin-bottom: 8px;
        }
        .qr-placeholder {
            width: 96px;
            height: 96px;
            background: rgba(255, 255, 255, .94);
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 12px;
            font-weight: 600;
            text-align: center;
            line-height: 1.5;
            margin-top: 14px;
            box-shadow: 0 4px 14px rgba(0, 0, 0, .18);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .1);
            padding-top: 22px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px 24px;
            justify-content: space-between;
            align-items: center;
            font-size: 13px;
            color: rgba(255, 255, 255, .5);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, .6);
        }
        .footer-bottom a:hover {
            color: var(--accent-light);
        }

        /* ============ 浮动 CTA ============ */
        .float-cta {
            position: fixed;
            right: 24px;
            bottom: 30px;
            z-index: 999;
        }
        .float-cta-btn {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent), var(--accent-light));
            color: var(--primary-dark);
            font-size: 16px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 10px 28px rgba(242, 160, 61, .45);
            transition: transform .2s, box-shadow .2s;
            position: relative;
            z-index: 2;
        }
        .float-cta-btn::before {
            content: "";
            position: absolute;
            inset: -4px;
            border-radius: 50%;
            background: rgba(242, 160, 61, .4);
            animation: pulse 1.5s ease-out infinite;
            z-index: -1;
        }
        @keyframes pulse {
            0% {
                transform: scale(.9);
                opacity: .7;
            }
            70% {
                transform: scale(1.4);
                opacity: 0;
            }
            100% {
                opacity: 0;
            }
        }
        .float-cta-btn:hover {
            transform: scale(1.05);
            box-shadow: 0 14px 34px rgba(242, 160, 61, .55);
        }
        .float-cta-panel {
            position: absolute;
            right: 0;
            bottom: 76px;
            background: #fff;
            border-radius: 16px;
            box-shadow: var(--shadow-md);
            padding: 12px;
            min-width: 150px;
            opacity: 0;
            visibility: hidden;
            transform: translateY(10px);
            transition: all .25s ease;
        }
        .float-cta-panel.open {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }
        .float-cta-panel a {
            display: block;
            padding: 10px 16px;
            border-radius: 10px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            transition: background .2s;
        }
        .float-cta-panel a:hover {
            background: rgba(31, 74, 63, .06);
            color: var(--primary);
        }

        /* ============ 入场动画 ============ */
        .reveal {
            opacity: 0;
            transform: translateY(16px);
            transition: opacity .4s ease, transform .4s ease;
        }
        .reveal.visible {
            opacity: 1;
            transform: translateY(0);
        }

        /* ============ 响应式 ============ */
        @media (max-width: 1024px) {
            .nav-inner {
                padding: 0 24px;
            }
            .main-nav {
                margin-left: 20px;
                gap: 2px;
            }
            .main-nav a {
                padding: 8px 10px;
                font-size: 14px;
            }
            .category-hero h1 {
                font-size: 42px;
            }
            .footer-grid {
                grid-template-columns: 1.4fr 1fr 1fr;
                gap: 32px;
            }
            .footer-contact {
                grid-column: span 3;
            }
        }
        @media (max-width: 720px) {
            :root {
                --space-section: 56px;
            }
            body {
                font-size: 15px;
            }
            .grid-container {
                padding-left: 24px;
                padding-right: 24px;
            }
            .site-header {
                height: auto;
            }
            .nav-inner {
                flex-wrap: wrap;
                height: auto;
                padding: 8px 20px;
                gap: 2px 0;
            }
            .main-nav {
                order: 3;
                width: 100%;
                margin-left: 0;
                overflow-x: auto;
                gap: 4px;
                padding-bottom: 2px;
                flex-wrap: nowrap;
                -webkit-overflow-scrolling: touch;
                scrollbar-width: none;
            }
            .main-nav::-webkit-scrollbar {
                display: none;
            }
            .main-nav a {
                flex: 0 0 auto;
                padding: 7px 12px;
                font-size: 14px;
            }
            .nav-actions {
                margin-left: auto;
            }
            .search-btn {
                display: none;
            }
            .brand-logo {
                font-size: 15px;
            }
            .logo-mark {
                width: 28px;
                height: 28px;
            }
            .brand-text-full {
                display: none;
            }
            .category-hero {
                padding: 64px 0;
            }
            .category-hero h1 {
                font-size: 32px;
            }
            .hero-lead {
                font-size: 16px;
            }
            .section-title {
                font-size: 28px;
            }
            .section-desc {
                font-size: 15px;
            }
            .benefit-block+.benefit-block {
                margin-top: 48px;
            }
            .benefit-visual img {
                height: 240px;
            }
            .benefit-visual.two img {
                height: 220px;
            }
            .price-card.featured {
                transform: none;
                margin-bottom: 8px;
            }
            .price-card.featured:hover {
                transform: translateY(-4px);
            }
            .pricing-grid .featured-col {
                order: -1;
            }
            .stat-card {
                height: 150px;
                padding: 24px 16px;
            }
            .stat-num {
                font-size: 32px;
            }
            .cta-box h2 {
                font-size: 28px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .footer-contact {
                grid-column: span 2;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .float-cta {
                right: 16px;
                bottom: 20px;
            }
            .float-cta-btn {
                width: 48px;
                height: 48px;
                font-size: 14px;
            }
            .float-cta-btn::before {
                display: none;
            }
            .float-cta-panel {
                bottom: 58px;
                min-width: 132px;
            }
        }