/* roulang page: index */
:root {
            --primary: #0B5B48;
            --primary-hover: #084636;
            --primary-light: #2E7D68;
            --accent: #C89D5D;
            --accent-hover: #D4AE73;
            --bg: #F6F4EF;
            --dark: #0E2B25;
            --card: #FFFFFF;
            --text: #12211D;
            --text-body: #3A4A46;
            --text-muted: #6B7A76;
            --border: #E7E2D8;
            --input-border: #D8D2C7;
            --success: #2E9D6B;
            --warning: #D9A441;
            --error: #C05A4A;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-input: 8px;
            --shadow-sm: 0 2px 8px rgba(11, 91, 72, .08);
            --shadow-lg: 0 12px 24px rgba(11, 91, 72, .14);
            --font-sans: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', 'Inter', -apple-system, sans-serif;
            --container-max: 1200px;
            --space: 96px;
            --space-mobile: 56px;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-sans);
            background: var(--bg);
            color: var(--text-body);
            line-height: 1.8;
            font-size: 1rem;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color .2s;
        }
        a:hover {
            color: var(--primary-hover);
        }
        button,
        input,
        select,
        textarea {
            font-family: var(--font-sans);
            font-size: 1rem;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== 按钮 ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-btn);
            padding: 0 28px;
            height: 48px;
            font-weight: 600;
            font-size: .9375rem;
            border: 1px solid transparent;
            cursor: pointer;
            transition: all .25s ease;
            white-space: nowrap;
            letter-spacing: .02em;
        }
        .btn:focus {
            outline: none;
            box-shadow: 0 0 0 2px var(--accent);
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
        }
        .btn-primary:hover {
            background: var(--primary-hover);
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
            color: #fff;
        }
        .btn-primary:active {
            transform: translateY(0);
        }
        .btn-outline {
            background: transparent;
            border-color: var(--primary);
            color: var(--primary);
        }
        .btn-outline:hover {
            background: rgba(11, 91, 72, .08);
            color: var(--primary-hover);
            border-color: var(--primary-hover);
        }
        .btn-gold {
            background: var(--accent);
            color: var(--dark);
            font-weight: 700;
        }
        .btn-gold:hover {
            background: var(--accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(200, 157, 93, .3);
            color: var(--dark);
        }
        .btn-lg {
            height: 56px;
            padding: 0 40px;
            font-size: 1rem;
        }
        .btn-sm {
            height: 40px;
            padding: 0 20px;
            font-size: .875rem;
        }
        .btn-block {
            width: 100%;
        }

        /* ===== 徽章 ===== */
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            border-radius: 999px;
            padding: 4px 12px;
            font-size: .75rem;
            font-weight: 600;
            letter-spacing: .02em;
            background: var(--bg);
            color: var(--text-body);
            border: 1px solid var(--border);
        }
        .badge-gold {
            background: rgba(200, 157, 93, .12);
            color: #8A6A32;
            border-color: rgba(200, 157, 93, .3);
        }
        .badge-green {
            background: rgba(11, 91, 72, .08);
            color: var(--primary);
            border-color: rgba(11, 91, 72, .2);
        }
        .badge-gray {
            background: #F0EEE8;
            color: var(--text-muted);
            border-color: var(--border);
        }
        .countdown-num {
            font-family: 'Inter', monospace;
            font-variant-numeric: tabular-nums;
            font-weight: 700;
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(246, 244, 239, .9);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(0, 0, 0, .06);
            transition: background .3s;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 16px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.25rem;
            font-weight: 900;
            color: var(--text);
            letter-spacing: -.01em;
            line-height: 1.2;
        }
        .logo span.logo-mark {
            color: var(--primary);
        }
        .logo .logo-badge {
            font-size: .6875rem;
            font-weight: 600;
            padding: 2px 8px;
            border-radius: 999px;
            background: rgba(200, 157, 93, .15);
            border: 1px solid rgba(200, 157, 93, .3);
            color: #8A6A32;
            white-space: nowrap;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 28px;
        }
        .main-nav a {
            font-size: .9375rem;
            font-weight: 500;
            color: var(--text-body);
            position: relative;
            padding: 8px 0;
            transition: color .2s;
        }
        .main-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
            transition: width .3s;
        }
        .main-nav a:hover {
            color: var(--primary);
        }
        .main-nav a:hover::after {
            width: 100%;
        }
        .main-nav a.active {
            color: var(--primary);
            font-weight: 600;
        }
        .main-nav a.active::after {
            width: 100%;
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .header-actions .nav-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: .75rem;
            color: #8A6A32;
            background: rgba(200, 157, 93, .12);
            border: 1px solid rgba(200, 157, 93, .25);
            border-radius: 999px;
            padding: 3px 12px;
            font-weight: 600;
        }
        .header-actions .nav-badge .dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--warning);
            animation: pulse 1.5s infinite;
        }
        @keyframes pulse {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: .5;
                transform: scale(.8);
            }
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            width: 40px;
            height: 40px;
            border-radius: 8px;
            cursor: pointer;
            position: relative;
            z-index: 1100;
        }
        .hamburger span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--text);
            margin: 5px auto;
            border-radius: 2px;
            transition: all .3s;
        }
        .hamburger.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            min-height: 90vh;
            display: flex;
            align-items: center;
            background: linear-gradient(135deg, var(--dark) 0%, #123B32 55%, #16604E 100%);
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            overflow: hidden;
            padding: 80px 0;
        }
        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(14, 43, 37, .95) 0%, rgba(14, 43, 37, .82) 50%, rgba(14, 43, 37, .6) 100%);
            z-index: 1;
        }
        .hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background-image: linear-gradient(rgba(255, 255, 255, .03) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, .03) 1px, transparent 1px);
            background-size: 60px 60px;
            z-index: 1;
        }
        .hero .container {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1.1fr .9fr;
            gap: 64px;
            align-items: center;
        }
        .hero-content {
            color: #fff;
        }
        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, .1);
            border: 1px solid rgba(255, 255, 255, .18);
            border-radius: 999px;
            padding: 6px 16px;
            font-size: .8125rem;
            font-weight: 500;
            color: rgba(255, 255, 255, .9);
            margin-bottom: 24px;
            backdrop-filter: blur(4px);
        }
        .hero-tag .dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--warning);
        }
        .hero h1 {
            font-size: clamp(2.5rem, 5vw, 4rem);
            font-weight: 900;
            line-height: 1.15;
            color: #fff;
            letter-spacing: -.01em;
            margin-bottom: 20px;
        }
        .hero h1 .highlight {
            color: var(--accent);
        }
        .hero-sub {
            font-size: 1.0625rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, .85);
            margin-bottom: 36px;
            max-width: 480px;
        }
        .hero-btns {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 40px;
        }
        .hero-btns .btn-outline {
            border-color: rgba(255, 255, 255, .5);
            color: #fff;
        }
        .hero-btns .btn-outline:hover {
            background: rgba(255, 255, 255, .1);
            border-color: #fff;
        }
        .hero-points {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
            font-size: .875rem;
            color: rgba(255, 255, 255, .7);
        }
        .hero-points span {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .hero-points svg {
            width: 16px;
            height: 16px;
            stroke: var(--accent);
        }

        /* Hero Form */
        .hero-form-wrap {
            position: relative;
        }
        .hero-form {
            background: #fff;
            border-radius: 16px;
            box-shadow: 0 20px 40px rgba(0, 0, 0, .2);
            padding: 32px;
            max-width: 440px;
            margin-left: auto;
        }
        .hero-form h3 {
            font-size: 1.375rem;
            font-weight: 800;
            color: var(--text);
            margin-bottom: 4px;
        }
        .hero-form .form-desc {
            font-size: .875rem;
            color: var(--text-muted);
            margin-bottom: 24px;
        }
        .form-group {
            margin-bottom: 16px;
        }
        .form-group input,
        .form-group select {
            width: 100%;
            height: 48px;
            border: 1px solid var(--input-border);
            border-radius: var(--radius-input);
            padding: 0 16px;
            font-size: .9375rem;
            background: #fff;
            color: var(--text);
            transition: all .2s;
        }
        .form-group input::placeholder {
            color: #A0ACA8;
        }
        .form-group input:focus,
        .form-group select:focus {
            outline: none;
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(200, 157, 93, .25);
        }
        .hero-form .btn {
            margin-top: 8px;
        }
        .form-note {
            font-size: .75rem;
            color: var(--text-muted);
            text-align: center;
            margin-top: 12px;
        }

        /* ===== Metrics ===== */
        .metrics-bar {
            background: var(--card);
            border-bottom: 1px solid var(--border);
            padding: 36px 0;
        }
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 40px;
            text-align: center;
        }
        .metric-item .metric-num {
            font-size: 2rem;
            font-weight: 900;
            color: var(--primary);
            font-family: 'Inter', sans-serif;
            line-height: 1.2;
        }
        .metric-item .metric-label {
            font-size: .875rem;
            color: var(--text-muted);
            margin-top: 4px;
        }

        /* ===== Section base ===== */
        .section {
            padding: var(--space) 0;
        }
        .section-alt {
            background: var(--card);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }
        .section-head {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 48px;
        }
        .section-head .section-tag {
            display: inline-block;
            font-size: .8125rem;
            font-weight: 600;
            color: var(--primary);
            background: rgba(11, 91, 72, .06);
            border-radius: 999px;
            padding: 4px 16px;
            margin-bottom: 16px;
            letter-spacing: .04em;
        }
        .section-head h2 {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text);
            line-height: 1.3;
            margin-bottom: 12px;
        }
        .section-head p {
            color: var(--text-muted);
            font-size: .9375rem;
        }

        /* ===== Steps ===== */
        .steps {
            background: var(--bg);
            padding: var(--space) 0;
        }
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 32px;
            position: relative;
        }
        .step-item {
            text-align: center;
            padding: 40px 24px;
            background: var(--card);
            border-radius: var(--radius-card);
            border: 1px solid var(--border);
            position: relative;
            transition: all .3s;
        }
        .step-item:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }
        .step-num {
            font-size: 2.5rem;
            font-weight: 900;
            color: transparent;
            -webkit-text-stroke: 2px var(--primary);
            font-family: 'Inter', sans-serif;
            line-height: 1;
            display: block;
            margin-bottom: 16px;
        }
        .step-icon {
            width: 56px;
            height: 56px;
            margin: 0 auto 20px;
            border-radius: 14px;
            background: rgba(11, 91, 72, .08);
            border: 1px solid rgba(11, 91, 72, .12);
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .step-icon svg {
            width: 24px;
            height: 24px;
            stroke: var(--primary);
            fill: none;
            stroke-width: 1.8;
            stroke-linecap: round;
            stroke-linejoin: round;
        }
        .step-item h3 {
            font-size: 1.125rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
        }
        .step-item p {
            font-size: .875rem;
            color: var(--text-muted);
            line-height: 1.7;
        }
        .steps-grid .step-item:not(:last-child)::after {
            content: '';
            position: absolute;
            top: 50%;
            right: -28px;
            width: 56px;
            border-top: 2px dashed rgba(200, 157, 93, .4);
            transform: translateY(-50%);
            z-index: 1;
            pointer-events: none;
        }

        /* ===== Cases ===== */
        .cases {
            background: var(--card);
            padding: var(--space) 0;
        }
        .cases-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            grid-auto-rows: minmax(240px, auto);
            gap: 24px;
        }
        .case-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: all .3s;
            position: relative;
            display: flex;
            flex-direction: column;
        }
        .case-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: rgba(200, 157, 93, .4);
        }
        .case-card-large {
            grid-column: span 2;
            grid-row: span 2;
        }
        .case-card-small {
            grid-column: span 1;
        }
        .case-cover {
            position: relative;
            overflow: hidden;
            background: var(--bg);
        }
        .case-card-large .case-cover {
            height: 300px;
        }
        .case-card-small .case-cover {
            height: 140px;
        }
        .case-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s;
        }
        .case-card:hover .case-cover img {
            transform: scale(1.05);
        }
        .case-cover::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 60%, rgba(14, 43, 37, .4));
        }
        .case-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            z-index: 2;
            background: rgba(255, 255, 255, .9);
            backdrop-filter: blur(4px);
            border-radius: 999px;
            padding: 4px 12px;
            font-size: .75rem;
            font-weight: 600;
            color: var(--primary);
        }
        .case-body {
            padding: 20px 24px 24px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .case-card-large .case-body {
            padding: 24px 28px 28px;
        }
        .case-body h3 {
            font-size: 1.125rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 6px;
            line-height: 1.4;
        }
        .case-card-large .case-body h3 {
            font-size: 1.25rem;
        }
        .case-body p {
            font-size: .875rem;
            color: var(--text-muted);
            line-height: 1.7;
            flex: 1;
        }
        .case-result {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-top: 16px;
            padding-top: 14px;
            border-top: 1px solid var(--border);
        }
        .case-result .num {
            font-size: 1.5rem;
            font-weight: 900;
            color: var(--primary);
            font-family: 'Inter', sans-serif;
        }
        .case-result .label {
            font-size: .8125rem;
            color: var(--text-muted);
        }
        .case-logo {
            width: 32px;
            height: 32px;
            border-radius: 6px;
            background: var(--bg);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: .625rem;
            font-weight: 700;
            color: var(--text-muted);
            border: 1px solid var(--border);
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--bg);
            padding: var(--space) 0;
        }
        .faq-list {
            max-width: 760px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            margin-bottom: 12px;
            overflow: hidden;
            transition: box-shadow .3s;
        }
        .faq-item.open {
            box-shadow: var(--shadow-sm);
            border-color: rgba(11, 91, 72, .2);
        }
        .faq-q {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 24px;
            cursor: pointer;
            min-height: 52px;
            font-size: .9375rem;
            font-weight: 600;
            color: var(--text);
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            transition: background .2s;
        }
        .faq-q:hover {
            background: rgba(11, 91, 72, .02);
        }
        .faq-arrow {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            border: 1px solid var(--border);
            display: flex;
            align-items: center;
            justify-content: center;
            transition: transform .3s;
            font-size: .8125rem;
            color: var(--primary);
        }
        .faq-item.open .faq-arrow {
            transform: rotate(180deg);
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }
        .faq-a {
            max-height: 0;
            overflow: hidden;
            transition: max-height .4s ease, padding .3s;
            padding: 0 24px;
            font-size: .875rem;
            color: var(--text-muted);
            line-height: 1.8;
        }
        .faq-item.open .faq-a {
            max-height: 300px;
            padding: 0 24px 20px;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--dark);
            padding: var(--space) 0;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: linear-gradient(rgba(255, 255, 255, .03) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, .03) 1px, transparent 1px);
            background-size: 50px 50px;
        }
        .cta-inner {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 700px;
            margin: 0 auto;
        }
        .cta-inner h2 {
            font-size: 2rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
            line-height: 1.3;
        }
        .cta-inner h2 .highlight {
            color: var(--accent);
        }
        .cta-inner p {
            color: rgba(255, 255, 255, .75);
            font-size: 1rem;
            margin-bottom: 32px;
        }
        .cta-btns {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
            margin-bottom: 24px;
        }
        .cta-badges {
            display: flex;
            gap: 12px;
            justify-content: center;
            flex-wrap: wrap;
        }
        .cta-badges .badge {
            background: rgba(255, 255, 255, .1);
            border-color: rgba(255, 255, 255, .15);
            color: rgba(255, 255, 255, .8);
        }
        .cta-badges .badge-gold {
            background: rgba(200, 157, 93, .15);
            border-color: rgba(200, 157, 93, .3);
            color: var(--accent);
        }
        .cta-note {
            font-size: .75rem;
            color: rgba(255, 255, 255, .4);
            margin-top: 20px;
        }

        /* ===== News / CMS ===== */
        .news-section {
            background: var(--bg);
            padding: var(--space) 0;
        }
        .cms-list {
            max-width: 860px;
            margin: 0 auto;
        }
        .cms-item {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 24px 28px;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 20px;
            transition: all .3s;
        }
        .cms-item:hover {
            box-shadow: var(--shadow-sm);
            border-color: rgba(11, 91, 72, .2);
            transform: translateX(4px);
        }
        .cms-item-main {
            flex: 1;
            min-width: 0;
        }
        .cms-title {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 4px;
            display: block;
            line-height: 1.4;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .cms-title:hover {
            color: var(--primary);
        }
        .cms-summary {
            font-size: .875rem;
            color: var(--text-muted);
            line-height: 1.6;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .cms-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-top: 6px;
        }
        .cms-category {
            font-size: .75rem;
            color: var(--primary);
            background: rgba(11, 91, 72, .08);
            border-radius: 999px;
            padding: 2px 10px;
            font-weight: 500;
        }
        .cms-date {
            font-size: .8125rem;
            color: var(--text-muted);
        }
        .cms-link {
            flex-shrink: 0;
            font-size: .875rem;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: gap .2s;
        }
        .cms-link:hover {
            gap: 8px;
            color: var(--primary-hover);
        }
        .cms-empty {
            text-align: center;
            padding: 60px 20px;
            color: var(--text-muted);
            font-size: .9375rem;
            background: var(--card);
            border: 1px dashed var(--border);
            border-radius: var(--radius-card);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--dark);
            padding: 64px 0 0;
            color: rgba(255, 255, 255, .7);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 48px;
            border-bottom: 1px solid rgba(255, 255, 255, .08);
        }
        .footer-brand .logo {
            color: #fff;
            margin-bottom: 12px;
            font-size: 1.375rem;
        }
        .footer-brand .logo span.logo-mark {
            color: var(--accent);
        }
        .footer-desc {
            font-size: .875rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, .6);
            max-width: 320px;
        }
        .footer-col h4 {
            font-size: .9375rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-col ul {
            list-style: none;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            font-size: .875rem;
            color: rgba(255, 255, 255, .6);
            transition: color .2s;
        }
        .footer-col ul li a:hover {
            color: var(--accent);
        }
        .footer-contact {
            font-size: .875rem;
            line-height: 2;
            color: rgba(255, 255, 255, .6);
        }
        .footer-bottom {
            padding: 20px 0;
            text-align: center;
            font-size: .8125rem;
            color: rgba(255, 255, 255, .35);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1023px) {
            .hero .container {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .hero-form {
                margin-left: 0;
                max-width: 100%;
            }
            .hero {
                min-height: auto;
                padding: 60px 0;
            }
            .metrics-grid {
                gap: 24px;
            }
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-grid .step-item:nth-child(2)::after {
                display: none;
            }
            .cases-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .case-card-large {
                grid-column: span 2;
                grid-row: auto;
            }
            .case-card-small {
                grid-column: span 1;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .main-nav {
                display: none;
                position: fixed;
                top: 72px;
                left: 0;
                right: 0;
                background: var(--card);
                flex-direction: column;
                padding: 24px;
                gap: 0;
                border-bottom: 1px solid var(--border);
                box-shadow: 0 8px 24px rgba(0, 0, 0, .08);
                z-index: 1090;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 14px 0;
                font-size: 1rem;
                border-bottom: 1px solid var(--border);
                width: 100%;
            }
            .main-nav a::after {
                display: none;
            }
            .main-nav a.active {
                color: var(--primary);
            }
            .hamburger {
                display: block;
            }
            .header-actions .nav-badge {
                display: none;
            }
        }
        @media (max-width: 767px) {
            :root {
                --space: 56px;
            }
            .header-inner {
                height: 64px;
            }
            .logo {
                font-size: 1.0625rem;
            }
            .logo .logo-badge {
                display: none;
            }
            .header-actions .btn-sm {
                padding: 0 16px;
                height: 36px;
                font-size: .8125rem;
            }
            .hero {
                padding: 48px 0;
            }
            .hero h1 {
                font-size: 2rem;
            }
            .hero-sub {
                font-size: .9375rem;
            }
            .hero-btns {
                flex-direction: column;
                gap: 12px;
            }
            .hero-btns .btn {
                width: 100%;
            }
            .hero-form {
                padding: 24px;
            }
            .metrics-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .metric-item .metric-num {
                font-size: 1.5rem;
            }
            .steps-grid {
                grid-template-columns: 1fr;
            }
            .steps-grid .step-item::after {
                display: none;
            }
            .cases-grid {
                grid-template-columns: 1fr;
            }
            .case-card-large {
                grid-column: span 1;
            }
            .case-card-small {
                grid-column: span 1;
            }
            .case-card-large .case-cover {
                height: 200px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .section-head h2 {
                font-size: 1.5rem;
            }
            .cms-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
                padding: 20px;
            }
            .cms-title {
                white-space: normal;
            }
            .cms-summary {
                white-space: normal;
            }
            .cta-inner h2 {
                font-size: 1.5rem;
            }
            .cta-btns {
                flex-direction: column;
            }
            .cta-btns .btn {
                width: 100%;
            }
            .faq-q {
                padding: 16px 16px;
                font-size: .875rem;
            }
            .faq-a {
                padding: 0 16px;
            }
            .faq-item.open .faq-a {
                padding: 0 16px 16px;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 16px;
            }
            .header-actions .btn-sm {
                display: none;
            }
            .hero-form {
                padding: 20px;
            }
            .form-group input,
            .form-group select {
                height: 44px;
            }
            .btn-lg {
                height: 50px;
                padding: 0 24px;
                font-size: .9375rem;
            }
            .case-card-large .case-body {
                padding: 20px;
            }
            .case-body {
                padding: 16px 18px 20px;
            }
        }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #0B5B48;
            --primary-dark: #084636;
            --primary-light: #2E7D68;
            --accent: #C89D5D;
            --accent-light: #D9B680;
            --bg: #F6F4EF;
            --dark: #0E2B25;
            --card-bg: #FFFFFF;
            --title-color: #12211D;
            --text-color: #3A4A46;
            --text-light: #6B7A76;
            --border: #E7E2D8;
            --input-border: #D8D2C7;
            --success: #2E9D6B;
            --warning: #D9A441;
            --error: #C05A4A;
            --radius-lg: 12px;
            --radius-md: 8px;
            --radius-sm: 4px;
            --radius-pill: 999px;
            --shadow-sm: 0 2px 8px rgba(11, 91, 72, .08);
            --shadow-lg: 0 12px 24px rgba(11, 91, 72, .14);
            --transition: .3s ease;
            --container: 1200px;
            --space-section: 96px;
            --font-main: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
        }

        /* ===== Reset / Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-main);
            background: var(--bg);
            color: var(--text-color);
            line-height: 1.8;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
        }
        ul,
        ol {
            list-style: none;
        }
        button {
            font-family: inherit;
            cursor: pointer;
            border: 0;
            background: none;
        }
        input,
        select,
        textarea {
            font-family: inherit;
        }
        .container {
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== 按钮 ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            height: 48px;
            padding: 0 28px;
            border-radius: var(--radius-md);
            font-size: 15px;
            font-weight: 600;
            border: 1px solid transparent;
            transition: var(--transition);
            white-space: nowrap;
            line-height: 1;
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
        }
        .btn-primary:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        .btn-ghost {
            background: transparent;
            color: var(--primary);
            border-color: var(--primary);
        }
        .btn-ghost:hover {
            background: rgba(11, 91, 72, .08);
            border-color: var(--primary-dark);
        }
        .btn-gold {
            background: var(--accent);
            color: #12211D;
        }
        .btn-gold:hover {
            background: var(--accent-light);
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
        }
        .btn-large {
            height: 56px;
            padding: 0 36px;
            font-size: 16px;
        }
        .btn-sm {
            height: 40px;
            padding: 0 18px;
            font-size: 14px;
        }

        /* ===== 徽章 ===== */
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            font-size: 12px;
            font-weight: 600;
            background: rgba(200, 157, 93, .15);
            color: var(--accent);
            white-space: nowrap;
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(246, 244, 239, .9);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(231, 226, 216, .7);
            transition: var(--transition);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 20px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 22px;
            font-weight: 900;
            color: var(--title-color);
            white-space: nowrap;
        }
        .logo-mark {
            background: var(--primary);
            color: #fff;
            padding: 4px 10px;
            border-radius: 8px;
            font-size: 18px;
            font-weight: 900;
            letter-spacing: .5px;
        }
        .main-nav {
            display: flex;
            gap: 28px;
            align-items: center;
        }
        .main-nav a {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-color);
            padding: 8px 2px;
            position: relative;
            transition: var(--transition);
        }
        .main-nav a::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 0;
            height: 2px;
            background: var(--accent);
            transition: var(--transition);
        }
        .main-nav a:hover {
            color: var(--primary);
        }
        .main-nav a:hover::after {
            width: 100%;
        }
        .main-nav a.active {
            color: var(--primary);
            font-weight: 700;
        }
        .main-nav a.active::after {
            width: 100%;
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 10px;
            background: none;
            border: 0;
            cursor: pointer;
        }
        .nav-toggle span {
            width: 24px;
            height: 2px;
            background: var(--title-color);
            border-radius: 2px;
            transition: var(--transition);
        }
        .nav-toggle.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .nav-toggle.active span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* ===== 页头 Hero ===== */
        .page-hero {
            position: relative;
            padding: 80px 0 96px;
            background: linear-gradient(135deg, rgba(11, 91, 72, .88), rgba(14, 43, 37, .97)), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            color: #fff;
            overflow: hidden;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(circle at 72% 28%, rgba(200, 157, 93, .18), transparent 60%);
            pointer-events: none;
        }
        .page-hero .container {
            position: relative;
            z-index: 2;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 16px;
            border-radius: var(--radius-pill);
            background: rgba(255, 255, 255, .12);
            border: 1px solid rgba(255, 255, 255, .25);
            font-size: 13px;
            font-weight: 600;
            color: rgba(255, 255, 255, .92);
            margin-bottom: 24px;
            backdrop-filter: blur(8px);
        }
        .hero-badge::before {
            content: '';
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--accent);
            flex-shrink: 0;
        }
        .page-hero h1 {
            font-size: clamp(2.4rem, 5vw, 3.4rem);
            font-weight: 900;
            line-height: 1.25;
            margin-bottom: 20px;
            color: #fff;
            letter-spacing: -0.02em;
        }
        .hero-desc {
            font-size: 16px;
            line-height: 1.8;
            color: rgba(255, 255, 255, .85);
            max-width: 640px;
            margin-bottom: 36px;
        }
        .hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        .hero-actions .btn-ghost {
            border-color: rgba(255, 255, 255, .6);
            color: #fff;
        }
        .hero-actions .btn-ghost:hover {
            background: rgba(255, 255, 255, .1);
            border-color: #fff;
        }
        .hero-metrics {
            display: flex;
            gap: 48px;
            margin-top: 48px;
            padding-top: 32px;
            border-top: 1px solid rgba(255, 255, 255, .15);
            flex-wrap: wrap;
        }
        .metric-item {
            min-width: 120px;
        }
        .metric-num {
            font-size: 30px;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
        }
        .metric-label {
            font-size: 13px;
            color: rgba(255, 255, 255, .65);
            margin-top: 4px;
        }

        /* ===== Section 通用 ===== */
        .section-header {
            text-align: center;
            max-width: 760px;
            margin: 0 auto 48px;
        }
        .section-header h2 {
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            font-weight: 800;
            color: var(--title-color);
            line-height: 1.3;
        }
        .section-header .subtitle {
            font-size: 15px;
            color: var(--text-light);
            margin-top: 10px;
        }

        /* ===== 合作模式（左图右文）===== */
        .split-section {
            padding: var(--space-section) 0;
        }
        .split-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 56px;
            align-items: center;
        }
        .split-media {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }
        .split-media img {
            width: 100%;
            height: 420px;
            object-fit: cover;
            transition: transform .4s ease;
        }
        .split-media:hover img {
            transform: scale(1.03);
        }
        .split-content .subtitle {
            color: var(--text-light);
            margin-bottom: 28px;
        }
        .model-list li {
            display: flex;
            gap: 16px;
            padding: 18px 0;
            border-bottom: 1px solid var(--border);
        }
        .model-list li:last-child {
            border-bottom: 0;
        }
        .model-icon {
            width: 48px;
            height: 48px;
            flex-shrink: 0;
            border-radius: 10px;
            background: rgba(11, 91, 72, .1);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
        }
        .model-list h4 {
            font-size: 17px;
            font-weight: 700;
            color: var(--title-color);
            margin-bottom: 4px;
        }
        .model-list p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.7;
        }
        .related-links {
            margin-top: 20px;
            padding: 16px 20px;
            background: rgba(200, 157, 93, .08);
            border-radius: var(--radius-md);
            font-size: 14px;
            color: var(--text-color);
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
        }
        .related-links a {
            color: var(--primary);
            font-weight: 600;
        }
        .related-links a:hover {
            text-decoration: underline;
        }

        /* ===== 合作流程 ===== */
        .process-section {
            background: var(--dark);
            color: #fff;
            padding: var(--space-section) 0;
        }
        .process-section .section-header h2 {
            color: #fff;
        }
        .process-section .section-header .subtitle {
            color: rgba(255, 255, 255, .6);
        }
        .process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-top: 48px;
        }
        .process-step {
            background: rgba(255, 255, 255, .04);
            border: 1px solid rgba(255, 255, 255, .1);
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            position: relative;
            transition: var(--transition);
        }
        .process-step:hover {
            background: rgba(255, 255, 255, .08);
            transform: translateY(-4px);
        }
        .step-number {
            font-size: 38px;
            font-weight: 900;
            color: rgba(200, 157, 93, .5);
            line-height: 1;
            margin-bottom: 16px;
            letter-spacing: -0.02em;
        }
        .process-step h4 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .process-step p {
            font-size: 14px;
            color: rgba(255, 255, 255, .65);
            line-height: 1.7;
        }

        /* ===== 支持体系 ===== */
        .support-section {
            padding: var(--space-section) 0;
        }
        .support-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
            margin-top: 48px;
        }
        .support-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 32px;
            display: flex;
            gap: 20px;
            transition: var(--transition);
        }
        .support-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: rgba(200, 157, 93, .5);
        }
        .support-icon {
            width: 52px;
            height: 52px;
            flex-shrink: 0;
            border-radius: 12px;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
        }
        .support-card h4 {
            font-size: 17px;
            font-weight: 700;
            color: var(--title-color);
            margin-bottom: 6px;
        }
        .support-card p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.7;
        }
        .support-stats {
            display: flex;
            justify-content: space-between;
            gap: 24px;
            margin-top: 48px;
            padding: 36px 48px;
            background: var(--dark);
            border-radius: var(--radius-lg);
            color: #fff;
            text-align: center;
            flex-wrap: wrap;
        }
        .stat-item {
            flex: 1;
            min-width: 120px;
        }
        .stat-num {
            font-size: 36px;
            font-weight: 900;
            color: var(--accent);
            line-height: 1.2;
        }
        .stat-label {
            font-size: 14px;
            color: rgba(255, 255, 255, .65);
            margin-top: 4px;
        }

        /* ===== FAQ ===== */
        .faq-section {
            padding: var(--space-section) 0;
            background: #fff;
        }
        .faq-list {
            max-width: 820px;
            margin: 48px auto 0;
        }
        .faq-item {
            border-bottom: 1px solid var(--border);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 0;
            background: none;
            border: 0;
            font-size: 15px;
            font-weight: 600;
            color: var(--title-color);
            text-align: left;
            min-height: 56px;
            transition: var(--transition);
            cursor: pointer;
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-question .icon {
            width: 24px;
            height: 24px;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            color: var(--primary);
            transition: transform .3s ease;
            border: 1.5px solid rgba(11, 91, 72, .3);
            border-radius: 50%;
        }
        .faq-item.open .faq-question .icon {
            transform: rotate(45deg);
            border-color: var(--accent);
            color: var(--accent);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .4s ease;
        }
        .faq-answer p {
            padding: 0 0 20px;
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.8;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--dark);
            position: relative;
            overflow: hidden;
            padding: 80px 0;
            text-align: center;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(circle at 50% 120%, rgba(200, 157, 93, .14), transparent 70%);
            pointer-events: none;
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
        }
        .cta-section h2 {
            font-size: clamp(1.7rem, 3.5vw, 2.5rem);
            font-weight: 900;
            color: #fff;
            margin-bottom: 16px;
            line-height: 1.3;
        }
        .cta-section p {
            color: rgba(255, 255, 255, .7);
            max-width: 520px;
            margin: 0 auto 32px;
        }
        .cta-badges {
            display: flex;
            justify-content: center;
            gap: 12px;
            margin-bottom: 24px;
            flex-wrap: wrap;
        }
        .cta-badges .badge {
            background: rgba(200, 157, 93, .15);
            color: var(--accent);
            border: 1px solid rgba(200, 157, 93, .3);
        }
        .cta-actions {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        .cta-actions .btn-ghost {
            border-color: rgba(255, 255, 255, .5);
            color: #fff;
        }
        .cta-actions .btn-ghost:hover {
            background: rgba(255, 255, 255, .1);
            border-color: #fff;
        }
        .cta-note {
            margin-top: 24px;
            font-size: 13px;
            color: rgba(255, 255, 255, .4);
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: #0E2B25;
            color: rgba(255, 255, 255, .75);
            padding: 64px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 48px;
        }
        .footer-brand .logo {
            color: #fff;
        }
        .footer-brand .logo .logo-mark {
            background: rgba(255, 255, 255, .15);
            color: #fff;
        }
        .footer-desc {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, .6);
            max-width: 340px;
            margin-top: 16px;
        }
        .footer-col h4,
        .footer-contact h4 {
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 16px;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col a {
            color: rgba(255, 255, 255, .65);
            font-size: 14px;
            transition: var(--transition);
        }
        .footer-col a:hover {
            color: var(--accent);
        }
        .footer-contact p {
            font-size: 14px;
            color: rgba(255, 255, 255, .65);
            margin-bottom: 8px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .12);
            padding: 20px 0;
            text-align: center;
        }
        .footer-bottom p {
            font-size: 13px;
            color: rgba(255, 255, 255, .45);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .process-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .main-nav {
                gap: 20px;
            }
            .header-actions .badge {
                display: none;
            }
            .hero-metrics {
                gap: 32px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --space-section: 56px;
            }
            .header-inner {
                height: 64px;
            }
            .main-nav {
                position: fixed;
                top: 64px;
                left: 0;
                right: 0;
                background: var(--bg);
                flex-direction: column;
                align-items: flex-start;
                padding: 24px;
                gap: 8px;
                border-bottom: 1px solid var(--border);
                transform: translateY(-120%);
                transition: transform .3s ease;
                box-shadow: var(--shadow-lg);
                z-index: 99;
            }
            .main-nav.show {
                transform: translateY(0);
            }
            .main-nav a {
                display: block;
                width: 100%;
                padding: 12px 8px;
                border-radius: var(--radius-md);
                font-size: 16px;
            }
            .main-nav a:hover {
                background: rgba(11, 91, 72, .06);
            }
            .main-nav a::after {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .split-grid {
                grid-template-columns: 1fr;
                gap: 36px;
            }
            .split-media img {
                height: 320px;
            }
            .support-grid {
                grid-template-columns: 1fr;
            }
            .support-stats {
                flex-direction: column;
                padding: 28px 24px;
                gap: 20px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .page-hero {
                padding: 60px 0 72px;
            }
            .hero-metrics {
                flex-wrap: wrap;
                gap: 20px;
            }
        }

        @media (max-width: 520px) {
            .process-grid {
                grid-template-columns: 1fr;
            }
            .hero-actions .btn {
                width: 100%;
            }
            .cta-actions .btn {
                width: 100%;
            }
            .header-inner {
                height: 60px;
            }
            .main-nav {
                top: 60px;
            }
            .logo {
                font-size: 18px;
            }
            .logo-mark {
                font-size: 15px;
                padding: 3px 8px;
            }
            .page-hero h1 {
                font-size: 2rem;
            }
            .hero-desc {
                font-size: 15px;
            }
            .metric-num {
                font-size: 24px;
            }
            .button-label {
                font-size: 14px;
            }
        }

/* roulang page: article */
:root {
            --primary: #0B5B48;
            --primary-hover: #084636;
            --primary-light: #2E7D68;
            --accent: #C89D5D;
            --accent-light: #E2C895;
            --bg: #F6F4EF;
            --dark: #0E2B25;
            --card: #FFFFFF;
            --text: #12211D;
            --text-body: #3A4A46;
            --text-muted: #6B7A76;
            --border: #E7E2D8;
            --border-input: #D8D2C7;
            --radius: 12px;
            --radius-btn: 8px;
            --shadow-sm: 0 2px 8px rgba(11, 91, 72, .08);
            --shadow-lg: 0 12px 24px rgba(11, 91, 72, .14);
            --font-body: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Inter", sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            padding: 0;
            font-family: var(--font-body);
            background: var(--bg);
            color: var(--text-body);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            margin: 0;
            color: var(--text);
            line-height: 1.25;
        }

        p {
            margin: 0 0 1em;
        }

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

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

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

        ::selection {
            background: rgba(200, 157, 93, .35);
        }

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

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

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            text-decoration: none;
            cursor: pointer;
            border: 2px solid transparent;
            transition: all .25s ease;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
            padding: 10px 22px;
        }

        .btn-primary:hover {
            background: var(--primary-hover);
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
        }

        .btn-ghost {
            background: transparent;
            color: var(--primary);
            border-color: var(--primary);
            padding: 10px 26px;
        }

        .btn-ghost:hover {
            background: rgba(11, 91, 72, .08);
        }

        .btn-gold {
            background: var(--accent);
            color: var(--text);
            padding: 14px 34px;
        }

        .btn-gold:hover {
            background: #d8b27a;
            transform: translateY(-2px);
            box-shadow: 0 12px 24px rgba(200, 157, 93, .3);
        }

        .btn-sm {
            padding: 9px 18px;
            font-size: .875rem;
        }

        .btn-lg {
            padding: 16px 36px;
            font-size: 1rem;
            height: 56px;
        }

        .badge {
            display: inline-flex;
            align-items: center;
            padding: 4px 12px;
            border-radius: 999px;
            font-size: .75rem;
            font-weight: 600;
            letter-spacing: .02em;
            background: rgba(200, 157, 93, .15);
            color: var(--primary);
            border: 1px solid rgba(200, 157, 93, .3);
        }

        .badge-gold {
            background: var(--accent);
            color: var(--dark);
            border-color: transparent;
        }

        .badge-dark {
            background: rgba(246, 244, 239, .12);
            color: #F6F4EF;
            border-color: rgba(246, 244, 239, .22);
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(246, 244, 239, .92);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 72px;
            position: relative;
            gap: 16px;
        }

        .logo {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 1.125rem;
            font-weight: 800;
            color: var(--text);
            white-space: nowrap;
        }

        .logo-mark {
            background: var(--primary);
            color: #fff;
            border-radius: 8px;
            padding: 4px 10px;
            font-weight: 900;
            letter-spacing: .02em;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 28px;
        }

        .nav-links a {
            font-size: .9375rem;
            font-weight: 500;
            color: var(--text-body);
            padding: 8px 2px;
            border-bottom: 2px solid transparent;
            transition: color .2s, border-color .2s;
        }

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

        .nav-links a.active {
            color: var(--primary);
            border-bottom-color: var(--accent);
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            gap: 5px;
            width: 42px;
            height: 42px;
            background: transparent;
            border: 1px solid var(--border);
            border-radius: 8px;
            cursor: pointer;
        }

        .nav-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--text);
            border-radius: 2px;
            transition: all .3s;
        }

        .nav-toggle.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .nav-toggle.active span:nth-child(2) {
            opacity: 0;
        }

        .nav-toggle.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        .page-hero {
            background: linear-gradient(120deg, rgba(11, 91, 72, .94), rgba(14, 43, 37, .82)), url('/assets/images/backpic/back-2.png') center / cover no-repeat;
            color: #F6F4EF;
            padding: 80px 0 100px;
            position: relative;
        }

        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: center;
            gap: 4px;
            font-size: .875rem;
            color: rgba(246, 244, 239, .8);
            margin-bottom: 20px;
        }

        .breadcrumb a {
            color: rgba(246, 244, 239, .85);
            transition: color .2s;
        }

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

        .breadcrumb .sep {
            opacity: .5;
            margin: 0 4px;
        }

        .breadcrumb .current {
            color: rgba(246, 244, 239, .95);
        }

        .article-header {
            max-width: 860px;
            margin: 0 auto;
            text-align: center;
        }

        .article-header .badge {
            margin-bottom: 14px;
        }

        .article-header h1 {
            font-size: clamp(2rem, 4vw, 3rem);
            line-height: 1.25;
            font-weight: 800;
            color: #F6F4EF;
            margin: 16px 0 20px;
        }

        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 12px 28px;
            justify-content: center;
            color: rgba(246, 244, 239, .72);
            font-size: .875rem;
        }

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

        .article-main {
            position: relative;
            z-index: 2;
        }

        .article-shell {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: 16px;
            box-shadow: var(--shadow-lg);
            padding: 40px;
            max-width: 860px;
            margin: -56px auto 0;
            position: relative;
            z-index: 3;
        }

        .article-content {
            max-width: 720px;
            margin: 0 auto;
            color: var(--text-body);
            font-size: 1.0625rem;
            line-height: 1.9;
        }

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

        .article-content h2 {
            font-size: 1.5rem;
            color: var(--text);
            margin: 2em 0 1em;
            font-weight: 700;
        }

        .article-content h3 {
            font-size: 1.25rem;
            color: var(--text);
            margin: 1.8em 0 .8em;
            font-weight: 700;
        }

        .article-content ul,
        .article-content ol {
            margin: 0 0 1.25em 1.25em;
            padding-left: 4px;
        }

        .article-content li {
            margin-bottom: .5em;
        }

        .article-content blockquote {
            border-left: 4px solid var(--accent);
            padding: 16px 24px;
            background: rgba(246, 244, 239, .6);
            margin: 1.5em 0;
            border-radius: 0 12px 12px 0;
            color: var(--text);
        }

        .article-content pre {
            background: var(--dark);
            color: #F6F4EF;
            padding: 20px 24px;
            border-radius: 12px;
            overflow-x: auto;
            font-size: .875rem;
            line-height: 1.7;
        }

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

        .article-content img {
            max-width: 100%;
            border-radius: 12px;
            height: auto;
        }

        .article-content figure {
            margin: 1.5em 0;
        }

        .article-content figcaption {
            font-size: .875rem;
            color: var(--text-muted);
            text-align: center;
            margin-top: 8px;
        }

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

        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            max-width: 720px;
            margin: 36px auto 0;
            padding-top: 24px;
            border-top: 1px solid var(--border);
        }

        .article-tags .tag {
            display: inline-block;
            padding: 6px 14px;
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: 999px;
            font-size: .8125rem;
            color: var(--text-body);
            transition: all .25s;
        }

        .article-tags .tag:hover {
            border-color: var(--primary);
            color: var(--primary);
        }

        .article-pager {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
            max-width: 720px;
            margin: 32px auto 0;
        }

        .pager-link {
            display: flex;
            flex-direction: column;
            gap: 4px;
            padding: 18px 20px;
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: 12px;
            transition: all .25s;
        }

        .pager-link:hover {
            border-color: var(--primary);
            transform: translateY(-2px);
            background: #fff;
            box-shadow: var(--shadow-sm);
        }

        .pager-link span {
            font-size: .75rem;
            color: var(--text-muted);
            letter-spacing: .04em;
        }

        .pager-link strong {
            font-size: .9375rem;
            color: var(--text);
            font-weight: 600;
        }

        .pager-next {
            text-align: right;
        }

        .not-found {
            text-align: center;
            padding: 56px 20px;
        }

        .not-found h2 {
            font-size: 1.5rem;
            color: var(--text);
            margin-bottom: 12px;
        }

        .not-found p {
            color: var(--text-muted);
            margin-bottom: 24px;
        }

        .related-section {
            padding: 80px 0 0;
        }

        .section-head {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 16px;
            margin-bottom: 28px;
        }

        .section-head h2 {
            font-size: 2rem;
            color: var(--text);
            font-weight: 800;
        }

        .text-link {
            color: var(--primary);
            font-weight: 600;
            border-bottom: 2px solid rgba(200, 157, 93, .4);
            padding-bottom: 2px;
            transition: all .2s;
            white-space: nowrap;
        }

        .text-link:hover {
            color: var(--primary-hover);
            border-color: var(--accent);
        }

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

        .related-card {
            display: block;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 12px;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            text-decoration: none;
            transition: all .3s;
        }

        .related-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(200, 157, 93, .6);
        }

        .related-img {
            aspect-ratio: 16 / 9;
            overflow: hidden;
        }

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

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

        .related-body {
            padding: 20px;
        }

        .related-body .badge {
            margin-bottom: 10px;
        }

        .related-body h3 {
            font-size: 1.125rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .related-body p {
            font-size: .875rem;
            color: var(--text-muted);
            line-height: 1.6;
            margin: 0;
        }

        .cta-section {
            padding: 80px 0;
            margin-top: 80px;
            background: var(--dark);
            color: #F6F4EF;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(rgba(255, 255, 255, .04) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, .04) 1px, transparent 1px);
            background-size: 64px 64px;
            pointer-events: none;
        }

        .cta-inner {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 720px;
            margin: 0 auto;
        }

        .cta-inner h2 {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 12px;
            color: #fff;
        }

        .cta-inner p {
            color: rgba(246, 244, 239, .8);
            margin-bottom: 28px;
        }

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

        .cta-note {
            margin-top: 24px;
            font-size: .8125rem;
            color: rgba(246, 244, 239, .5);
        }

        .site-footer {
            background: var(--dark);
            color: rgba(246, 244, 239, .75);
            padding: 64px 0 24px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1.2fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, .1);
        }

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

        .footer-brand .logo .logo-mark {
            background: var(--accent);
            color: var(--dark);
        }

        .footer-desc {
            max-width: 360px;
            color: rgba(246, 244, 239, .6);
            line-height: 1.7;
            font-size: .875rem;
        }

        .footer-col h4,
        .footer-contact h4 {
            color: #fff;
            font-size: 1rem;
            margin-bottom: 16px;
        }

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

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

        .footer-col a,
        .footer-contact a {
            color: rgba(246, 244, 239, .65);
            font-size: .875rem;
            transition: color .2s;
        }

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

        .footer-contact p {
            color: rgba(246, 244, 239, .65);
            font-size: .875rem;
            margin-bottom: 8px;
        }

        .footer-bottom {
            padding-top: 24px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 12px;
            font-size: .8125rem;
            color: rgba(246, 244, 239, .5);
        }

        .footer-bottom a {
            color: rgba(246, 244, 239, .5);
            transition: color .2s;
        }

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

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

            .footer-brand {
                grid-column: 1 / -1;
            }

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

        @media (max-width: 767px) {
            .nav-links {
                display: flex;
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, .98);
                backdrop-filter: blur(10px);
                -webkit-backdrop-filter: blur(10px);
                box-shadow: 0 12px 24px rgba(11, 91, 72, .12);
                border-bottom: 1px solid var(--border);
                padding: 12px 24px 20px;
                gap: 6px;
                max-height: 0;
                overflow: hidden;
                opacity: 0;
                transform: translateY(-8px);
                transition: max-height .35s ease, opacity .25s ease, transform .25s ease;
                align-items: stretch;
            }

            .nav-links.open {
                max-height: 360px;
                opacity: 1;
                transform: translateY(0);
                padding-top: 16px;
                padding-bottom: 16px;
            }

            .nav-links a {
                padding: 10px 4px;
                border-bottom: 1px solid rgba(231, 226, 216, .6);
                border-left: 3px solid transparent;
                border-radius: 0;
            }

            .nav-links a.active {
                border-left-color: var(--accent);
                color: var(--primary);
            }

            .nav-toggle {
                display: flex;
            }

            .nav-actions .btn-sm {
                display: none;
            }

            .article-shell {
                padding: 24px 20px;
            }

            .article-meta {
                gap: 8px 16px;
            }

            .article-pager {
                grid-template-columns: 1fr;
            }

            .pager-next {
                text-align: left;
            }

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

            .section-head {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }

            .section-head h2 {
                font-size: 1.625rem;
            }

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

            .cta-actions .btn,
            .cta-actions .badge {
                width: 100%;
                justify-content: center;
            }

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

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

        @media (max-width: 520px) {
            .page-hero {
                padding: 56px 0 80px;
            }

            .article-header h1 {
                font-size: 1.75rem;
            }

            .article-content {
                font-size: 1rem;
                line-height: 1.8;
            }

            .related-body h3 {
                font-size: 1rem;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #0B5B48;
            --primary-dark: #084636;
            --primary-light: #2E7D68;
            --gold: #C89D5D;
            --gold-light: #D9B47E;
            --bg: #F6F4EF;
            --dark-bg: #0E2B25;
            --card-bg: #FFFFFF;
            --text-title: #12211D;
            --text-body: #3A4A46;
            --text-muted: #6B7A76;
            --success: #2E9D6B;
            --warning: #D9A441;
            --error: #C05A4A;
            --border: #E7E2D8;
            --input-border: #D8D2C7;
            --radius-lg: 12px;
            --radius-md: 8px;
            --radius-sm: 4px;
            --shadow-sm: 0 2px 8px rgba(11, 91, 72, .08);
            --shadow-hover: 0 12px 24px rgba(11, 91, 72, .14);
            --container: 1200px;
            --space: 96px;
            --font-sans: "Inter", "Archivo", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            font-size: 1rem;
            line-height: 1.8;
            color: var(--text-body);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

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

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color .25s ease;
        }

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

        ul,
        ol {
            list-style: none;
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: 100%;
            border: none;
            outline: none;
        }

        .container {
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            height: 48px;
            padding: 0 28px;
            border-radius: var(--radius-md);
            font-size: 1rem;
            font-weight: 600;
            line-height: 1;
            cursor: pointer;
            transition: all .25s ease;
            border: 1px solid transparent;
            white-space: nowrap;
        }

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

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

        .btn-primary:focus-visible {
            box-shadow: 0 0 0 2px var(--gold);
        }

        .btn-outline-light {
            background: transparent;
            color: #fff;
            border-color: rgba(255, 255, 255, .8);
        }

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

        .btn-gold {
            background: var(--gold);
            color: var(--text-title);
            height: 56px;
            padding: 0 36px;
            border-color: var(--gold);
            font-weight: 700;
        }

        .btn-gold:hover {
            background: var(--gold-light);
            border-color: var(--gold-light);
            color: var(--text-title);
            transform: translateY(-2px);
            box-shadow: 0 12px 24px rgba(200, 157, 93, .3);
        }

        .btn-compact {
            height: 40px;
            padding: 0 20px;
            font-size: .875rem;
        }

        /* ===== Header ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(246, 244, 239, .92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(231, 226, 216, .9);
            transition: background .3s ease, box-shadow .3s ease;
        }

        .site-header.scrolled {
            background: rgba(246, 244, 239, .96);
            box-shadow: 0 2px 16px rgba(11, 91, 72, .08);
        }

        .nav-wrap {
            display: flex;
            align-items: center;
            gap: 24px;
            min-height: 72px;
        }

        .logo {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 1.35rem;
            font-weight: 900;
            color: var(--text-title);
            letter-spacing: -.02em;
            flex-shrink: 0;
        }

        .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: var(--primary);
            color: #fff;
            border-radius: 8px;
            font-size: 1rem;
            font-weight: 800;
            letter-spacing: 0;
        }

        .logo-badge {
            display: inline-block;
            padding: 3px 10px;
            border-radius: 999px;
            background: rgba(200, 157, 93, .18);
            color: var(--primary-dark);
            font-size: .75rem;
            font-weight: 600;
            margin-left: 4px;
            border: 1px solid rgba(200, 157, 93, .4);
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            justify-content: center;
            gap: 5px;
            width: 44px;
            height: 44px;
            background: transparent;
            padding: 10px;
            cursor: pointer;
            border-radius: var(--radius-sm);
        }

        .nav-toggle span {
            display: block;
            height: 2px;
            background: var(--text-title);
            border-radius: 2px;
            transition: all .3s ease;
        }

        .nav-toggle.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .nav-toggle.open span:nth-child(2) {
            opacity: 0;
        }

        .nav-toggle.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            margin-left: 16px;
            flex: 1;
        }

        .main-nav a {
            display: inline-flex;
            align-items: center;
            height: 40px;
            padding: 0 18px;
            border-radius: 8px;
            font-size: .9375rem;
            font-weight: 500;
            color: var(--text-body);
            transition: all .2s ease;
            position: relative;
        }

        .main-nav a:hover {
            color: var(--primary);
            background: rgba(11, 91, 72, .06);
        }

        .main-nav a.active {
            color: var(--primary);
            font-weight: 700;
            background: rgba(11, 91, 72, .08);
        }

        .main-nav a.active::after {
            content: "";
            position: absolute;
            left: 18px;
            right: 18px;
            bottom: 2px;
            height: 2px;
            border-radius: 2px;
            background: var(--gold);
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-left: auto;
            flex-shrink: 0;
        }

        .nav-policy {
            padding: 4px 12px;
            border-radius: 999px;
            background: rgba(200, 157, 93, .15);
            border: 1px solid rgba(200, 157, 93, .35);
            color: var(--primary-dark);
            font-size: .75rem;
            font-weight: 600;
            white-space: nowrap;
        }

        /* ===== Page Hero ===== */
        .page-hero {
            position: relative;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            padding: 120px 0 100px;
            overflow: hidden;
        }

        .page-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(100deg, rgba(11, 91, 72, .96) 0%, rgba(14, 43, 37, .88) 55%, rgba(14, 43, 37, .65) 100%);
            z-index: 1;
        }

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

        .hero-badge {
            display: inline-block;
            padding: 6px 18px;
            border-radius: 999px;
            background: rgba(255, 255, 255, .14);
            border: 1px solid rgba(255, 255, 255, .35);
            color: #fff;
            font-size: .875rem;
            font-weight: 500;
            letter-spacing: .02em;
            margin-bottom: 24px;
            backdrop-filter: blur(4px);
        }

        .page-hero h1 {
            max-width: 720px;
            font-size: clamp(2.2rem, 4.5vw, 3.4rem);
            line-height: 1.25;
            letter-spacing: -.02em;
            color: #fff;
            font-weight: 900;
            margin-bottom: 20px;
        }

        .page-hero .hero-sub {
            max-width: 600px;
            font-size: 1.125rem;
            color: rgba(255, 255, 255, .9);
            line-height: 1.8;
            margin-bottom: 32px;
        }

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

        /* ===== Section Head ===== */
        .section-head {
            text-align: center;
            margin-bottom: 56px;
        }

        .section-head .section-tag {
            display: inline-block;
            font-size: .8125rem;
            font-weight: 700;
            letter-spacing: .1em;
            color: var(--primary);
            background: rgba(11, 91, 72, .08);
            padding: 4px 14px;
            border-radius: 999px;
            margin-bottom: 16px;
            text-transform: uppercase;
        }

        .section-head h2 {
            font-size: clamp(1.8rem, 3vw, 2.4rem);
            font-weight: 800;
            color: var(--text-title);
            line-height: 1.35;
            margin-bottom: 14px;
        }

        .section-head p {
            max-width: 640px;
            margin: 0 auto;
            color: var(--text-muted);
            font-size: 1.0625rem;
        }

        /* ===== Service Overview ===== */
        .service-overview {
            padding: var(--space) 0;
        }

        .overview-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 28px;
        }

        .overview-item {
            display: flex;
            gap: 22px;
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 32px 30px;
            box-shadow: var(--shadow-sm);
            transition: all .3s ease;
            position: relative;
            overflow: hidden;
        }

        .overview-item::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 3px;
            height: 100%;
            background: var(--gold);
            border-radius: 0 3px 3px 0;
            opacity: 0;
            transition: opacity .3s ease;
        }

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

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

        .overview-num {
            font-size: 1.75rem;
            font-weight: 900;
            color: rgba(11, 91, 72, .22);
            line-height: 1;
            flex-shrink: 0;
        }

        .overview-content h3 {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text-title);
            margin-bottom: 8px;
        }

        .overview-content p {
            color: var(--text-muted);
            font-size: .9375rem;
            line-height: 1.75;
        }

        /* ===== Content Split (Right Image / Left Text) ===== */
        .content-split {
            padding: var(--space) 0;
            background: #fff;
        }

        .content-split .container {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 64px;
            align-items: center;
        }

        .split-media {
            position: relative;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: var(--shadow-hover);
        }

        .split-media img {
            width: 100%;
            aspect-ratio: 4 / 3;
        }

        .split-media::after {
            content: "";
            position: absolute;
            inset: 0;
            border: 1px solid rgba(255, 255, 255, .5);
            border-radius: 16px;
            pointer-events: none;
        }

        .split-content .section-tag {
            display: inline-block;
            font-size: .8125rem;
            font-weight: 700;
            letter-spacing: .1em;
            color: var(--gold);
            text-transform: uppercase;
            margin-bottom: 12px;
        }

        .split-content h2 {
            font-size: clamp(1.8rem, 2.8vw, 2.4rem);
            font-weight: 800;
            color: var(--text-title);
            line-height: 1.35;
            margin-bottom: 18px;
        }

        .split-content>p {
            color: var(--text-body);
            margin-bottom: 24px;
            line-height: 1.85;
        }

        .check-list {
            margin-bottom: 32px;
        }

        .check-list li {
            position: relative;
            padding: 8px 0 8px 32px;
            font-size: .9375rem;
            color: var(--text-body);
        }

        .check-list li::before {
            content: "";
            position: absolute;
            left: 0;
            top: 15px;
            width: 18px;
            height: 18px;
            border-radius: 50%;
            background: rgba(46, 157, 107, .18);
            border: 1px solid var(--success);
        }

        .check-list li::after {
            content: "✓";
            position: absolute;
            left: 3px;
            top: 9px;
            font-size: .75rem;
            color: var(--success);
            font-weight: 700;
        }

        /* ===== Service Flow ===== */
        .service-flow {
            padding: var(--space) 0;
        }

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

        .flow-steps::before {
            content: "";
            position: absolute;
            top: 42px;
            left: 10%;
            right: 10%;
            height: 2px;
            border-top: 2px dashed rgba(11, 91, 72, .2);
            z-index: 0;
        }

        .flow-step {
            text-align: center;
            position: relative;
            z-index: 1;
            padding: 0 12px;
        }

        .flow-step-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 72px;
            height: 72px;
            border-radius: 20px;
            background: var(--primary);
            color: #fff;
            font-size: 1.5rem;
            font-weight: 800;
            box-shadow: 0 8px 20px rgba(11, 91, 72, .25);
            margin-bottom: 18px;
            position: relative;
        }

        .flow-step h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-title);
            margin-bottom: 8px;
        }

        .flow-step p {
            font-size: .875rem;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* ===== Scenario ===== */
        .scenario {
            padding: var(--space) 0;
            background: var(--dark-bg);
            color: #fff;
        }

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

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

        .scenario .section-tag {
            background: rgba(200, 157, 93, .16);
            color: var(--gold);
        }

        .scenario-grid {
            display: grid;
            grid-template-columns: 1.1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .scenario-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }

        .scenario-item {
            display: flex;
            gap: 20px;
            padding: 22px 0;
            border-bottom: 1px solid rgba(255, 255, 255, .12);
            transition: padding .3s ease, background .3s ease;
            border-radius: 8px;
        }

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

        .scenario-item:hover {
            padding-left: 14px;
            background: rgba(255, 255, 255, .04);
        }

        .scenario-num {
            font-size: 1.125rem;
            font-weight: 800;
            color: var(--gold);
            flex-shrink: 0;
            line-height: 1.4;
        }

        .scenario-item h3 {
            font-size: 1.0625rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 4px;
        }

        .scenario-item p {
            font-size: .875rem;
            color: rgba(255, 255, 255, .65);
            line-height: 1.7;
        }

        .scenario-media {
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 16px 40px rgba(0, 0, 0, .3);
        }

        .scenario-media img {
            width: 100%;
            aspect-ratio: 4 / 3;
        }

        /* ===== FAQ ===== */
        .faq {
            padding: var(--space) 0;
        }

        .faq-list {
            max-width: 860px;
            margin: 0 auto;
            border-top: 1px solid var(--border);
        }

        .faq-item {
            border-bottom: 1px solid var(--border);
            background: transparent;
            transition: background .3s ease;
        }

        .faq-item.active {
            background: rgba(255, 255, 255, .7);
        }

        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            width: 100%;
            min-height: 52px;
            padding: 20px 8px;
            background: transparent;
            text-align: left;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-title);
            cursor: pointer;
            transition: color .25s ease;
        }

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

        .faq-icon {
            position: relative;
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            border-radius: 50%;
            border: 1px solid rgba(11, 91, 72, .3);
            transition: all .35s ease;
        }

        .faq-icon::before,
        .faq-icon::after {
            content: "";
            position: absolute;
            top: 50%;
            left: 50%;
            width: 10px;
            height: 1.5px;
            background: var(--primary);
            transform: translate(-50%, -50%);
            border-radius: 2px;
            transition: transform .35s ease;
        }

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

        .faq-item.active .faq-icon {
            border-color: var(--gold);
            background: var(--gold);
        }

        .faq-item.active .faq-icon::before {
            background: #fff;
            transform: translate(-50%, -50%) rotate(0deg);
        }

        .faq-item.active .faq-icon::after {
            background: #fff;
            transform: translate(-50%, -50%) rotate(0deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .4s cubic-bezier(.4, 0, .2, 1), padding .3s ease;
            padding: 0 8px;
            color: var(--text-muted);
            font-size: .9375rem;
            line-height: 1.8;
        }

        .faq-item.active .faq-answer {
            max-height: 400px;
            padding: 0 8px 24px;
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 80px 0;
            background: var(--dark-bg);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(11, 91, 72, .4) 0%, transparent 50%),
                repeating-linear-gradient(45deg, transparent 0 16px, rgba(255, 255, 255, .02) 16px 17px);
        }

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

        .cta-section h2 {
            font-size: clamp(1.8rem, 3vw, 2.6rem);
            color: #fff;
            font-weight: 800;
            margin-bottom: 14px;
        }

        .cta-section p {
            color: rgba(255, 255, 255, .7);
            max-width: 520px;
            margin: 0 auto 36px;
            font-size: 1.0625rem;
        }

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

        .cta-right {
            margin-top: 20px;
        }

        .cta-note {
            margin-top: 32px;
            font-size: .8125rem;
            color: rgba(255, 255, 255, .45);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--dark-bg);
            color: rgba(246, 244, 239, .8);
            padding: 60px 0 0;
        }

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

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

        .footer-desc {
            max-width: 360px;
            font-size: .875rem;
            color: rgba(255, 255, 255, .6);
            line-height: 1.8;
        }

        .footer-col h4,
        .footer-contact h4 {
            color: #fff;
            font-size: .9375rem;
            font-weight: 700;
            letter-spacing: .04em;
            margin-bottom: 18px;
        }

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

        .footer-col ul a,
        .footer-contact p {
            font-size: .875rem;
            color: rgba(255, 255, 255, .6);
            transition: color .25s ease;
        }

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

        .footer-contact p {
            margin-bottom: 8px;
            line-height: 1.7;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .1);
            padding: 20px 0;
            text-align: center;
            font-size: .8125rem;
            color: rgba(255, 255, 255, .45);
        }

        /* ===== Animations ===== */
        @keyframes fadeUp {
            from {
                opacity: 0;
                transform: translateY(24px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .page-hero .container>* {
            animation: fadeUp .7s ease both;
        }

        .page-hero .container>*:nth-child(2) {
            animation-delay: .1s;
        }

        .page-hero .container>*:nth-child(3) {
            animation-delay: .2s;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1023px) {
            .nav-wrap {
                gap: 12px;
            }

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

            .main-nav a {
                padding: 0 14px;
                font-size: .875rem;
            }

            .nav-policy {
                display: none;
            }

            .overview-list {
                grid-template-columns: 1fr;
            }

            .flow-steps {
                grid-template-columns: repeat(2, 1fr);
                gap: 32px 20px;
            }

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

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

            .content-split .container {
                grid-template-columns: 1fr;
                gap: 40px;
            }

            .split-media {
                order: -1;
            }
        }

        @media (max-width: 767px) {
            :root {
                --space: 56px;
            }

            .nav-toggle {
                display: flex;
                margin-left: auto;
            }

            .nav-actions {
                display: none;
            }

            .main-nav {
                display: none;
                position: absolute;
                top: 72px;
                left: 0;
                right: 0;
                flex-direction: column;
                align-items: stretch;
                background: var(--bg);
                border-bottom: 1px solid var(--border);
                padding: 12px 20px 20px;
                box-shadow: 0 16px 30px rgba(11, 91, 72, .1);
            }

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

            .main-nav a {
                height: 48px;
                border-radius: 8px;
                justify-content: flex-start;
                padding: 0 16px;
                font-size: 1rem;
            }

            .main-nav a.active::after {
                left: 16px;
                right: auto;
                width: 32px;
                bottom: 6px;
            }

            .page-hero {
                padding: 80px 0 64px;
            }

            .page-hero h1 {
                font-size: clamp(1.8rem, 6vw, 2.4rem);
            }

            .hero-sub {
                font-size: 1rem;
            }

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

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

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

            .flow-step {
                display: flex;
                text-align: left;
                gap: 20px;
                align-items: flex-start;
                padding: 0;
            }

            .flow-step-num {
                width: 56px;
                height: 56px;
                border-radius: 16px;
                font-size: 1.25rem;
                flex-shrink: 0;
                margin-bottom: 0;
            }

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

            .footer-contact p {
                font-size: .875rem;
            }

            .cta-btns {
                flex-direction: column;
            }

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

            .scenario-item {
                flex-direction: column;
                gap: 8px;
                padding: 18px 0;
            }

            .split-content h2 {
                font-size: 1.6rem;
            }
        }

        @media (max-width: 480px) {
            .container {
                padding: 0 16px;
            }

            .nav-wrap {
                min-height: 64px;
            }

            .main-nav {
                top: 64px;
            }

            .logo {
                font-size: 1.15rem;
            }

            .logo-badge {
                display: none;
            }

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

            .overview-num {
                font-size: 1.5rem;
            }

            .section-head {
                margin-bottom: 36px;
            }

            .section-head h2 {
                font-size: 1.5rem;
            }

            .page-hero {
                padding: 64px 0 56px;
            }

            .hero-badge {
                font-size: .8125rem;
                padding: 4px 12px;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #0B5B48;
            --primary-hover: #084636;
            --primary-light: #2E7D68;
            --gold: #C89D5D;
            --gold-hover: #dbb078;
            --bg: #F6F4EF;
            --dark: #0E2B25;
            --card: #FFFFFF;
            --text: #12211D;
            --text-body: #3A4A46;
            --text-muted: #6B7A76;
            --border: #E7E2D8;
            --input-border: #D8D2C7;
            --success: #2E9D6B;
            --warning: #D9A441;
            --error: #C05A4A;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-input: 8px;
            --radius-badge: 999px;
            --shadow-sm: 0 2px 8px rgba(11, 91, 72, .08);
            --shadow-lg: 0 12px 24px rgba(11, 91, 72, .14);
            --container: 1200px;
            --space: 96px;
            --space-mobile: 56px;
            --font-main: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
            --font-num: "Inter", "Archivo", "Helvetica Neue", sans-serif;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-main);
            background: var(--bg);
            color: var(--text-body);
            line-height: 1.8;
            font-size: 1rem;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
        }
        button {
            font-family: inherit;
            border: none;
            background: none;
            cursor: pointer;
        }
        ul {
            list-style: none;
        }
        .container {
            max-width: var(--container);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ===== Button ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            height: 48px;
            padding: 0 28px;
            border-radius: var(--radius-btn);
            font-size: 0.9375rem;
            font-weight: 600;
            transition: all .25s ease;
            white-space: nowrap;
            border: 1px solid transparent;
        }
        .btn:focus-visible {
            outline: 2px solid var(--gold);
            outline-offset: 2px;
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
        }
        .btn-primary:hover {
            background: var(--primary-hover);
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
        }
        .btn-outline {
            background: transparent;
            border-color: var(--primary);
            color: var(--primary);
        }
        .btn-outline:hover {
            background: rgba(11, 91, 72, .08);
            border-color: var(--primary-hover);
        }
        .btn-outline-light {
            background: transparent;
            border-color: rgba(255, 255, 255, .65);
            color: #fff;
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, .1);
            border-color: #fff;
        }
        .btn-gold {
            background: var(--gold);
            color: #12211D;
        }
        .btn-gold:hover {
            background: var(--gold-hover);
            transform: translateY(-2px);
            box-shadow: 0 12px 24px rgba(200, 157, 93, .3);
        }
        .btn-lg {
            height: 56px;
            padding: 0 36px;
            font-size: 1rem;
        }
        .btn-sm {
            height: 40px;
            padding: 0 20px;
            font-size: .875rem;
        }

        /* ===== Badge ===== */
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 12px;
            border-radius: var(--radius-badge);
            font-size: .75rem;
            font-weight: 600;
            line-height: 1.6;
        }
        .badge-gold {
            background: rgba(200, 157, 93, .14);
            color: #8A6A35;
            border: 1px solid rgba(200, 157, 93, .35);
        }
        .badge-green {
            background: rgba(11, 91, 72, .1);
            color: var(--primary);
            border: 1px solid rgba(11, 91, 72, .2);
        }
        .badge-dark {
            background: var(--dark);
            color: #F6F4EF;
        }

        /* ===== Header ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, .86);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(231, 226, 216, .8);
            transition: background .3s ease, box-shadow .3s ease;
        }
        .site-header.scrolled {
            background: rgba(246, 244, 239, .92);
            box-shadow: 0 4px 16px rgba(11, 91, 72, .06);
        }
        .nav-inner {
            display: flex;
            align-items: center;
            gap: 32px;
            min-height: 70px;
        }
        .logo {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 1.25rem;
            font-weight: 800;
            color: var(--text);
            white-space: nowrap;
            flex-shrink: 0;
        }
        .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--primary);
            color: #fff;
            font-weight: 900;
            border-radius: 8px;
            font-size: 1rem;
            width: 36px;
            height: 36px;
            letter-spacing: .02em;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex: 1;
        }
        .main-nav a {
            position: relative;
            padding: 10px 14px;
            font-size: .9375rem;
            font-weight: 500;
            color: var(--text-body);
            border-radius: 6px;
            transition: color .2s ease, background .2s ease;
        }
        .main-nav a:hover {
            color: var(--primary);
            background: rgba(11, 91, 72, .05);
        }
        .main-nav a.active {
            color: var(--primary);
            font-weight: 700;
        }
        .main-nav a.active::after {
            content: "";
            position: absolute;
            left: 14px;
            right: 14px;
            bottom: 2px;
            height: 2px;
            background: var(--gold);
            border-radius: 2px;
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .nav-badge {
            display: none;
        }
        .menu-toggle {
            display: none;
            width: 42px;
            height: 42px;
            border-radius: 8px;
            border: 1px solid var(--border);
            background: transparent;
            align-items: center;
            justify-content: center;
            flex-direction: column;
            gap: 5px;
        }
        .menu-toggle span {
            width: 18px;
            height: 2px;
            background: var(--text);
            border-radius: 2px;
            transition: transform .3s ease, opacity .3s ease;
        }
        .menu-toggle.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .menu-toggle.active span:nth-child(2) {
            opacity: 0;
        }
        .menu-toggle.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            min-height: calc(100vh - 70px);
            display: flex;
            align-items: center;
            background-size: cover;
            background-position: center;
            color: #fff;
            overflow: hidden;
            padding: 80px 0 120px;
        }
        .hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(115deg, rgba(14, 43, 37, .96) 0%, rgba(14, 43, 37, .82) 40%, rgba(14, 43, 37, .55) 100%);
            z-index: 1;
        }
        .hero-inner {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1.1fr .9fr;
            gap: 64px;
            align-items: center;
            width: 100%;
        }
        .hero-content {
            max-width: 620px;
        }
        .hero-content .badge {
            margin-bottom: 20px;
        }
        .hero h1 {
            font-size: clamp(2.5rem, 5vw, 4rem);
            line-height: 1.15;
            font-weight: 900;
            color: #fff;
            letter-spacing: -.02em;
            margin: 12px 0 18px;
        }
        .hero-sub {
            font-size: 1.0625rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, .85);
            max-width: 520px;
            margin-bottom: 32px;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }
        .hero-aside {
            position: relative;
        }
        .guide-card {
            background: rgba(255, 255, 255, .1);
            border: 1px solid rgba(255, 255, 255, .2);
            backdrop-filter: blur(10px);
            border-radius: 16px;
            padding: 32px;
            box-shadow: 0 20px 40px rgba(0, 0, 0, .25);
        }
        .guide-card h3 {
            color: #fff;
            font-size: 1.15rem;
            margin-bottom: 16px;
            font-weight: 700;
        }
        .guide-card ul {
            margin-bottom: 20px;
        }
        .guide-card ul li {
            position: relative;
            padding-left: 22px;
            color: rgba(255, 255, 255, .88);
            font-size: .9rem;
            margin-bottom: 10px;
        }
        .guide-card ul li::before {
            content: "";
            position: absolute;
            left: 0;
            top: 11px;
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--gold);
        }
        .hero-metrics {
            position: absolute;
            left: 0;
            right: 0;
            bottom: 0;
            z-index: 3;
            background: rgba(8, 28, 24, .72);
            backdrop-filter: blur(8px);
            border-top: 1px solid rgba(255, 255, 255, .1);
        }
        .hero-metrics .container {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
        }
        .metric {
            padding: 28px 12px;
            text-align: center;
            border-right: 1px solid rgba(255, 255, 255, .1);
        }
        .metric:last-child {
            border-right: none;
        }
        .metric strong {
            display: block;
            font-family: var(--font-num);
            font-size: 2rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
        }
        .metric span {
            font-size: .875rem;
            color: rgba(255, 255, 255, .7);
        }

        /* ===== Section ===== */
        .section {
            padding: var(--space) 0;
        }
        .section-head {
            max-width: 760px;
            margin-bottom: 48px;
        }
        .section-head.center {
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }
        .section-tag {
            display: inline-block;
            font-size: .8125rem;
            font-weight: 700;
            color: var(--gold);
            letter-spacing: .08em;
            text-transform: uppercase;
            margin-bottom: 12px;
        }
        .section-head h2 {
            font-size: clamp(1.8rem, 3vw, 2.4rem);
            font-weight: 800;
            color: var(--text);
            line-height: 1.3;
            margin-bottom: 16px;
        }
        .section-head p {
            font-size: 1rem;
            color: var(--text-muted);
            line-height: 1.8;
        }

        /* ===== Overview ===== */
        .brand-overview {
            background: var(--bg);
        }
        .overview-media {
            border-radius: var(--radius-card);
            overflow: hidden;
            margin-bottom: 40px;
            box-shadow: var(--shadow-sm);
        }
        .overview-media img {
            width: 100%;
            height: 320px;
            object-fit: cover;
        }
        .overview-cols {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }
        .overview-col {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 36px;
            box-shadow: var(--shadow-sm);
            transition: transform .3s ease, box-shadow .3s ease;
        }
        .overview-col:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }
        .overview-col h3 {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 12px;
            padding-left: 16px;
            border-left: 3px solid var(--gold);
        }
        .overview-col p {
            font-size: .9375rem;
            color: var(--text-muted);
            line-height: 1.8;
        }

        /* ===== Spec Section ===== */
        .spec-section {
            background: #fff;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }
        .spec-grid {
            display: grid;
            grid-template-columns: .8fr 1.2fr;
            gap: 64px;
            align-items: start;
        }
        .spec-lead h2 {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text);
            line-height: 1.35;
            margin-bottom: 16px;
        }
        .spec-lead p {
            color: var(--text-muted);
            margin-bottom: 24px;
        }
        .spec-list {
            border-top: 1px solid var(--border);
        }
        .spec-item {
            display: grid;
            grid-template-columns: 52px 1fr;
            gap: 18px;
            padding: 28px 0;
            border-bottom: 1px solid var(--border);
            transition: padding-left .3s ease;
        }
        .spec-item:hover {
            padding-left: 8px;
        }
        .spec-num {
            font-family: var(--font-num);
            font-size: 1.25rem;
            font-weight: 800;
            color: var(--gold);
            line-height: 1;
            padding-top: 4px;
        }
        .spec-item h3 {
            font-size: 1.0625rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
        }
        .spec-item p {
            font-size: .9375rem;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* ===== Scene ===== */
        .scene-section {
            background: var(--bg);
        }
        .scene-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }
        .scene-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: transform .3s ease, box-shadow .3s ease;
        }
        .scene-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }
        .scene-card-lg {
            grid-column: span 2;
            display: grid;
            grid-template-columns: 1fr 1fr;
        }
        .scene-card img {
            width: 100%;
            height: 100%;
            min-height: 240px;
            object-fit: cover;
        }
        .scene-card-lg img {
            min-height: 320px;
        }
        .scene-body {
            padding: 32px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .scene-body h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 10px;
        }
        .scene-body p {
            font-size: .9375rem;
            color: var(--text-muted);
            line-height: 1.75;
        }

        /* ===== Flow ===== */
        .flow-section {
            background: var(--dark);
            position: relative;
            overflow: hidden;
            color: #fff;
        }
        .flow-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: linear-gradient(rgba(255, 255, 255, .04) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, .04) 1px, transparent 1px);
            background-size: 44px 44px;
        }
        .flow-section .container {
            position: relative;
            z-index: 1;
        }
        .flow-section .section-head h2 {
            color: #fff;
        }
        .flow-section .section-head p {
            color: rgba(255, 255, 255, .7);
        }
        .flow-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            counter-reset: flow;
        }
        .flow-item {
            background: rgba(255, 255, 255, .06);
            border: 1px solid rgba(255, 255, 255, .1);
            border-radius: var(--radius-card);
            padding: 32px 24px;
            position: relative;
            backdrop-filter: blur(4px);
            transition: background .3s ease, transform .3s ease;
        }
        .flow-item:hover {
            background: rgba(255, 255, 255, .1);
            transform: translateY(-4px);
        }
        .flow-num {
            font-family: var(--font-num);
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--gold);
            display: block;
            margin-bottom: 18px;
        }
        .flow-item h3 {
            font-size: 1.0625rem;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .flow-item p {
            font-size: .875rem;
            color: rgba(255, 255, 255, .72);
            line-height: 1.7;
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: #fff;
        }
        .faq-list {
            max-width: 860px;
            margin: 0 auto;
        }
        .faq-item {
            border-bottom: 1px solid var(--border);
        }
        .faq-question {
            width: 100%;
            min-height: 56px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            padding: 18px 16px;
            font-size: .9375rem;
            font-weight: 600;
            color: var(--text);
            text-align: left;
            transition: color .25s ease;
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-icon {
            position: relative;
            width: 20px;
            height: 20px;
            flex-shrink: 0;
        }
        .faq-icon::before,
        .faq-icon::after {
            content: "";
            position: absolute;
            background: var(--primary);
            border-radius: 2px;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            transition: transform .3s ease, opacity .3s ease;
        }
        .faq-icon::before {
            width: 14px;
            height: 2px;
        }
        .faq-icon::after {
            width: 2px;
            height: 14px;
        }
        .faq-item.open .faq-icon::after {
            transform: translate(-50%, -50%) rotate(90deg);
            opacity: 0;
        }
        .faq-item.open .faq-icon::before {
            transform: translate(-50%, -50%) rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .35s ease, padding .35s ease;
            padding: 0 16px;
            font-size: .9375rem;
            color: var(--text-muted);
            line-height: 1.8;
        }
        .faq-item.open .faq-answer {
            max-height: 260px;
            padding: 0 16px 22px;
        }

        /* ===== CTA ===== */
        .cta-band {
            background: var(--dark);
            color: #fff;
            text-align: center;
            padding: 96px 0 72px;
            position: relative;
            overflow: hidden;
        }
        .cta-band::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: linear-gradient(rgba(255, 255, 255, .05) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, .05) 1px, transparent 1px);
            background-size: 44px 44px;
        }
        .cta-band .container {
            position: relative;
            z-index: 1;
        }
        .cta-band h2 {
            font-size: clamp(2rem, 3.6vw, 2.8rem);
            font-weight: 900;
            margin-bottom: 16px;
        }
        .cta-band .cta-sub {
            color: rgba(255, 255, 255, .78);
            max-width: 560px;
            margin: 0 auto 36px;
            font-size: 1rem;
        }
        .cta-actions {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 24px;
        }
        .cta-note {
            font-size: .8125rem;
            color: rgba(255, 255, 255, .5);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--dark);
            color: rgba(255, 255, 255, .72);
            padding: 60px 0 24px;
            border-top: 1px solid rgba(255, 255, 255, .08);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 48px;
            margin-bottom: 40px;
        }
        .footer-brand .logo {
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-desc {
            font-size: .875rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, .6);
            max-width: 360px;
            margin-top: 14px;
        }
        .footer-col h4,
        .footer-contact h4 {
            font-size: 1rem;
            color: #fff;
            font-weight: 700;
            margin-bottom: 18px;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            font-size: .875rem;
            color: rgba(255, 255, 255, .68);
            transition: color .25s ease;
        }
        .footer-col ul li a:hover {
            color: var(--gold);
        }
        .footer-contact p {
            font-size: .875rem;
            color: rgba(255, 255, 255, .6);
            line-height: 1.8;
            margin-bottom: 6px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .08);
            padding-top: 24px;
            text-align: center;
            font-size: .8125rem;
            color: rgba(255, 255, 255, .45);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1023px) {
            .nav-inner {
                gap: 16px;
            }
            .nav-badge {
                display: none;
            }
            .hero {
                min-height: auto;
                padding: 72px 0 140px;
            }
            .hero-inner {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .hero-content {
                max-width: 100%;
            }
            .spec-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .flow-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .scene-card-lg {
                grid-template-columns: 1fr;
            }
            .scene-card-lg img {
                min-height: 240px;
            }
        }
        @media (max-width: 767px) {
            :root {
                --space: var(--space-mobile);
            }
            .container {
                padding-left: 18px;
                padding-right: 18px;
            }
            .nav-inner {
                flex-wrap: wrap;
                min-height: 64px;
                position: relative;
            }
            .main-nav {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: #fff;
                border-radius: 0 0 16px 16px;
                box-shadow: 0 16px 32px rgba(11, 91, 72, .14);
                padding: 16px 20px;
                flex-direction: column;
                align-items: stretch;
                gap: 4px;
                border-bottom: 1px solid var(--border);
                max-height: calc(100vh - 64px);
                overflow-y: auto;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 12px 12px;
                border-radius: 8px;
            }
            .main-nav a.active::after {
                left: 12px;
                right: auto;
                width: 24px;
            }
            .menu-toggle {
                display: inline-flex;
            }
            .nav-actions {
                margin-left: auto;
            }
            .nav-cta {
                display: none;
            }
            .hero {
                padding: 56px 0 120px;
            }
            .hero h1 {
                font-size: 2.2rem;
            }
            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .hero-actions .btn {
                width: 100%;
            }
            .guide-card {
                padding: 24px;
            }
            .hero-metrics .container {
                grid-template-columns: repeat(3, 1fr);
            }
            .metric {
                padding: 16px 6px;
            }
            .metric strong {
                font-size: 1.5rem;
            }
            .metric span {
                font-size: .75rem;
            }
            .overview-cols {
                grid-template-columns: 1fr;
            }
            .overview-media img {
                height: 220px;
            }
            .overview-col {
                padding: 28px 22px;
            }
            .spec-item {
                grid-template-columns: 40px 1fr;
                gap: 12px;
                padding: 22px 0;
            }
            .scene-grid {
                grid-template-columns: 1fr;
            }
            .scene-card-lg {
                grid-column: span 1;
            }
            .scene-body {
                padding: 24px;
            }
            .flow-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
        }
        @media (max-width: 480px) {
            .hero-metrics .metric span {
                font-size: .7rem;
            }
            .btn-lg {
                padding: 0 24px;
            }
            .section-head h2 {
                font-size: 1.7rem;
            }
        }