/* roulang page: index */
/* ===== Custom CSS 设计变量与组件补充 ===== */
        :root {
            --color-primary: #0E5F4E;
            --color-primary-soft: #E5F0EB;
            --color-accent: #E07E2B;
            --color-bg-body: #F5F4EF;
            --color-surface: #FFFFFF;
            --color-ink: #17221E;
            --color-muted: #5D6B66;
            --color-line: rgba(14, 95, 78, 0.14);
            --color-dark-footer: #102B25;
        }

        body {
            font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            background-color: var(--color-bg-body);
            color: var(--color-ink);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }

        /* 基础 reset */
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        img { max-width: 100%; height: auto; display: block; }
        a { text-decoration: none; color: inherit; }
        button { font-family: inherit; }
        input, select, textarea { font-family: inherit; }

        .container-base {
            width: 100%;
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }
        @media (min-width: 1280px) {
            .container-base { max-width: 1200px; padding-left: 0; padding-right: 0; }
        }
        @media (min-width: 768px) {
            .container-base { padding-left: 24px; padding-right: 24px; }
        }

        .font-display {
            font-weight: 800;
            line-height: 1.16;
            letter-spacing: -0.01em;
        }
        .kicker {
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 0.16em;
            color: var(--color-primary);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .kicker::before {
            content: '';
            width: 1.25rem;
            height: 2px;
            background-color: var(--color-primary);
            border-radius: 999px;
            flex-shrink: 0;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background-color: var(--color-accent);
            color: #17221E;
            font-weight: 700;
            padding: 12px 24px;
            border-radius: 999px;
            font-size: 0.95rem;
            transition: background 0.2s ease, transform 0.15s ease, box-shadow 0.2s ease;
            border: none;
            cursor: pointer;
        }
        .btn-primary:hover {
            background-color: #c96d1f;
            transform: translateY(-1px);
            box-shadow: 0 8px 20px -10px rgba(224, 126, 43, 0.5);
        }
        .btn-primary:active {
            transform: translateY(0);
        }
        .btn-primary:focus-visible {
            outline: 3px solid var(--color-primary);
            outline-offset: 2px;
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background-color: transparent;
            color: var(--color-primary);
            font-weight: 600;
            border: 1.5px solid var(--color-primary);
            padding: 10px 22px;
            border-radius: 999px;
            font-size: 0.95rem;
            transition: background 0.2s ease, transform 0.2s ease;
            cursor: pointer;
        }
        .btn-secondary:hover {
            background-color: rgba(14, 95, 78, 0.08);
            transform: translateY(-1px);
        }
        .btn-secondary:active { transform: translateY(0); }

        /* Header */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 60;
            background-color: rgba(255, 255, 255, 0.88);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(14, 95, 78, 0.08);
            transition: box-shadow 0.25s ease;
        }
        .site-header.scrolled {
            box-shadow: 0 6px 24px -12px rgba(14, 95, 78, 0.25);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            gap: 16px;
        }
        .logo-block {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: var(--color-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 800;
            font-size: 15px;
        }
        .logo-text {
            display: flex;
            flex-direction: column;
            line-height: 1.2;
        }
        .logo-text .zh {
            font-weight: 800;
            font-size: 0.98rem;
            color: var(--color-ink);
            letter-spacing: 0.02em;
        }
        .logo-text .en {
            font-size: 0.72rem;
            font-weight: 500;
            color: rgba(14, 95, 78, 0.6);
            letter-spacing: 0.08em;
        }

        .nav-chips {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 4px;
            background-color: rgba(14, 95, 78, 0.05);
            border-radius: 999px;
        }
        .nav-chip {
            padding: 6px 16px;
            border-radius: 999px;
            font-size: 0.87rem;
            font-weight: 500;
            color: #4B5A55;
            white-space: nowrap;
            border: none;
            background: transparent;
            transition: all 0.18s ease;
        }
        .nav-chip:hover {
            background-color: rgba(14, 95, 78, 0.10);
            color: var(--color-primary);
        }
        .nav-chip.active {
            background-color: var(--color-primary);
            color: #fff;
            font-weight: 600;
        }
        .header-cta {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        /* Mobile Nav */
        .mobile-menu-btn {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: 12px;
            border: 1px solid var(--color-line);
            background: #fff;
            align-items: center;
            justify-content: center;
            cursor: pointer;
        }
        .mobile-nav {
            display: none;
            padding: 10px 20px 16px;
            border-top: 1px solid rgba(14,95,78,0.08);
            background-color: rgba(255,255,255,0.97);
        }
        .mobile-nav .nav-chips-m {
            display: flex;
            gap: 8px;
            overflow-x: auto;
            padding-bottom: 6px;
            scrollbar-width: none;
            -webkit-overflow-scrolling: touch;
        }
        .mobile-nav .nav-chips-m::-webkit-scrollbar { display: none; }
        .mobile-nav .nav-chip {
            flex-shrink: 0;
            background-color: rgba(14,95,78,0.06);
        }
        .mobile-nav .nav-chip.active {
            background-color: var(--color-primary);
            color: #fff;
        }

        @media (max-width: 1023px) {
            .nav-chips { display: none; }
            .header-cta .btn-primary { display: none; }
            .mobile-menu-btn { display: inline-flex; }
            .mobile-nav.open { display: block; }
        }
        @media (min-width: 1024px) {
            .header-inner { height: 72px; }
        }

        /* Cards */
        .feature-card {
            background-color: #fff;
            border: 1px solid rgba(14, 95, 78, 0.12);
            border-radius: 16px;
            padding: 1.75rem;
            box-shadow: 0 10px 30px -18px rgba(14,95,78,0.18);
            transition: transform 0.2s ease, box-shadow 0.25s ease;
            height: 100%;
        }
        .feature-card:hover {
            transform: translateY(-3px);
            box-shadow: 0 16px 36px -18px rgba(14,95,78,0.2);
        }
        .card-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background-color: var(--color-primary-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-primary);
        }

        /* Stats band */
        .stats-band {
            background-color: var(--color-primary-soft);
            border-radius: 20px;
            padding: 1.75rem 1.5rem;
            margin-top: 24px;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
            text-align: center;
        }
        .stats-item {
            padding: 8px;
        }
        .stats-item .num {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--color-primary);
            line-height: 1.2;
        }
        .stats-item .label {
            font-size: 0.86rem;
            color: var(--color-muted);
            margin-top: 4px;
        }
        .divider-y {
            border-left: 1px dashed rgba(14,95,78,0.25);
        }
        @media (max-width: 640px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .divider-y { border-left: none; }
        }

        /* Steps */
        .step-card {
            background-color: #fff;
            border: 1px solid rgba(14, 95, 78, 0.12);
            border-radius: 16px;
            padding: 1.5rem 1.75rem;
            position: relative;
            box-shadow: 0 10px 30px -18px rgba(14,95,78,0.16);
        }
        .step-number {
            font-size: 2rem;
            font-weight: 800;
            color: rgba(14,95,78,0.18);
            line-height: 1;
            position: absolute;
            top: 18px;
            right: 24px;
        }

        /* News cards */
        .news-card {
            background-color: #fff;
            border: 1px solid rgba(14, 95, 78, 0.12);
            border-radius: 16px;
            padding: 1.5rem;
            display: flex;
            flex-direction: column;
            gap: 12px;
            box-shadow: 0 8px 24px -18px rgba(14,95,78,0.12);
            transition: transform 0.2s ease;
            height: 100%;
        }
        .news-card:hover {
            transform: translateY(-2px);
        }
        .badge-tag {
            font-size: 0.72rem;
            font-weight: 600;
            color: var(--color-primary);
            background-color: rgba(14,95,78,0.08);
            border: 1px solid rgba(14,95,78,0.25);
            padding: 2px 10px;
            border-radius: 999px;
            white-space: nowrap;
        }
        .date-block {
            font-size: 0.85rem;
            color: var(--color-muted);
            font-weight: 500;
            white-space: nowrap;
        }

        /* FAQ */
        .faq-item {
            border: 1px solid var(--color-line);
            border-radius: 14px;
            background-color: #fff;
            margin-bottom: 10px;
            overflow: hidden;
        }
        .faq-q {
            width: 100%;
            text-align: left;
            padding: 16px 20px;
            font-size: 0.98rem;
            font-weight: 600;
            color: var(--color-ink);
            background: none;
            border: none;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
        }
        .faq-q .icon {
            width: 24px;
            height: 24px;
            border-radius: 999px;
            border: 1.5px solid rgba(14,95,78,0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            color: var(--color-primary);
            transition: transform 0.2s ease;
            font-size: 0.9rem;
            font-weight: 400;
        }
        .faq-item.open .faq-q .icon {
            transform: rotate(45deg);
        }
        .faq-a {
            display: none;
            padding: 0 20px 18px;
            border-top: 1.5px solid rgba(14,95,78,0.08);
            margin: 0 0 0 20px;
            padding: 14px 20px 18px 0;
            font-size: 0.93rem;
            color: #4B5A55;
            line-height: 1.8;
        }
        .faq-a.show { display: block; }

        /* Hero */
        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background-color: var(--color-primary-soft);
            padding: 6px 16px;
            border-radius: 999px;
            font-size: 0.82rem;
            font-weight: 500;
            color: var(--color-primary);
        }
        .hero-img-wrap img {
            object-fit: cover;
            width: 100%;
            height: 100%;
            border-radius: 24px;
            transition: transform 0.6s ease;
        }
        .hero-img-wrap:hover img {
            transform: scale(1.02);
        }
        .verify-badge {
            background-color: rgba(255,255,255,0.96);
            border-radius: 16px;
            padding: 14px 20px;
            box-shadow: 0 14px 34px -14px rgba(14,95,78,0.25);
            backdrop-filter: blur(4px);
            border: 1px solid rgba(14,95,78,0.1);
        }

        .field-group label {
            font-size: 0.86rem;
            font-weight: 600;
            margin-bottom: 6px;
            display: block;
            color: #17221E;
        }
        .field-group input,
        .field-group select {
            width: 100%;
            padding: 10px 14px;
            border: 1.5px solid rgba(14,95,78,0.2);
            border-radius: 12px;
            background: #fff;
            font-size: 0.95rem;
            transition: border 0.2s ease;
        }
        .field-group input:focus,
        .field-group select:focus {
            outline: none;
            border-color: #E07E2B;
            box-shadow: 0 0 0 3px rgba(224,126,43,0.15);
        }
        .privacy-note {
            font-size: 0.78rem;
            color: #84938E;
            text-align: center;
            margin-top: 10px;
            line-height: 1.5;
        }

        /* Hero section custom */
        .hero-section {
            background: linear-gradient(105deg, #F5F4EF 0%, #FAF9F5 70%, #EAF0EB 100%);
            position: relative;
            overflow: hidden;
        }
        .hero-section .bg-circles { position: absolute; }
        .hero-section .bg-circles .c {
            position: absolute;
            border-radius: 999px;
            border: 1.5px solid rgba(14,95,78,0.1);
        }

        .section-padding { padding: 80px 0; }
        .section-padding-md { padding: 56px 0; }
        @media (max-width: 768px) { 
            .section-padding { padding: 56px 0; }
            .section-padding-md { padding: 40px 0; }
        }

        .footer-section {
            background-color: var(--color-dark-footer);
            color: #A7AFA9;
            padding: 56px 0 0;
            font-size: 0.88rem;
        }
        .footer-section a {
            color: #A7AFA9;
            transition: color 0.2s ease;
        }
        .footer-section a:hover { color: #fff; }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.09);
            padding: 16px 0;
            margin-top: 40px;
            font-size: 0.78rem;
            color: #61716b;
        }

        /* Featured card */
        .cover-hero {
            border-radius: 20px;
            overflow: hidden;
            position: relative;
            min-height: 322px;
            display: flex;
            align-items: flex-end;
        }
        .cover-hero .content-layer {
            background: linear-gradient(0deg, rgba(9,31,26,0.85) 0%, rgba(9,31,26,0.35) 60%, transparent 100%);
            color: #fff;
            padding: 28px 24px 22px;
            width: 100%;
        }
        .cover-hero h3 { font-size: 1.3rem; font-weight: 700; margin-bottom: 6px; }
        .cover-hero p { font-size: 0.85rem; opacity: 0.9; }

        .chip-style {
            display: inline-block;
            background: rgba(255,255,255,0.15);
            border: 1px solid rgba(255,255,255,0.3);
            padding: 5px 12px;
            border-radius: 999px;
            font-size: 0.76rem;
            backdrop-filter: blur(4px);
        }

        /* Modal */
        .modal-overlay {
            display: none;
            position: fixed;
            inset: 0;
            z-index: 100;
            background-color: rgba(16, 27, 24, 0.65);
            backdrop-filter: blur(3px);
            align-items: center;
            justify-content: center;
            padding: 20px;
        }
        .modal-overlay.active { display: flex; }
        .modal-box {
            background: #fff;
            border-radius: 20px;
            padding: 32px 28px;
            width: 100%;
            max-width: 500px;
            box-shadow: 0 24px 60px -12px rgba(0,0,0,0.25);
            animation: modalPop 0.25s ease-out;
            position: relative;
            max-height: calc(100vh - 40px);
            overflow-y: auto;
        }
        @keyframes modalPop {
            from { opacity: 0; transform: translateY(20px) scale(0.96); }
            to { opacity: 1; transform: translateY(0) scale(1); }
        }

        .img-card-dim {
            aspect-ratio: 4 / 3;
            object-fit: cover;
            border-radius: 14px;
        }

        .section-bg-line {
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            position: relative;
        }
        .section-bg-line::before {
            content: '';
            position: absolute;
            inset: 0;
            background-color: rgba(245,244,239,0.92);
            backdrop-filter: blur(2px);
        }
        .section-bg-line .content-layer-relative { position: relative; }

/* roulang page: category1 */
:root{
            --color-primary:#0E5F4E;
            --color-primary-soft:#E5F0EB;
            --color-accent:#E07E2B;
            --color-bg-body:#F5F4EF;
            --color-surface:#FFFFFF;
            --color-ink:#17221E;
            --color-muted:#5D6B66;
            --color-line:rgba(14,95,78,.14);
            --color-dark-footer:#102B25;
            --radius:1rem;
            --shadow-card:0 10px 30px -18px rgba(14,95,78,.18);
            --transition:all .22s ease;
        }
        *{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{
            margin:0;
            font-family:system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            background:var(--color-bg-body);
            color:var(--color-ink);
            line-height:1.7;
            font-size:16px;
            -webkit-font-smoothing:antialiased;
        }
        img{max-width:100%; display:block}
        a{text-decoration:none; color:inherit}
        button{font-family:inherit; cursor:pointer}
        .container-base{
            max-width:1200px;
            margin-inline:auto;
            padding-inline:20px;
        }
        .site-header{
            position:sticky;
            top:0;
            z-index:60;
            background:rgba(255,255,255,.88);
            backdrop-filter:blur(14px);
            -webkit-backdrop-filter:blur(14px);
            border-bottom:1px solid var(--color-line);
        }
        .header-inner{
            display:grid;
            grid-template-columns:auto 1fr auto;
            align-items:center;
            gap:20px;
            min-height:72px;
        }
        .logo-block{
            display:inline-flex;
            align-items:center;
            gap:10px;
        }
        .logo-icon{
            width:40px;
            height:40px;
            border-radius:12px;
            background:var(--color-primary);
            color:#fff;
            display:flex;
            align-items:center;
            justify-content:center;
            flex-shrink:0;
            box-shadow:0 6px 16px -8px rgba(14,95,78,.5);
        }
        .logo-text{
            display:flex;
            flex-direction:column;
            line-height:1.15;
        }
        .logo-text .zh{
            font-weight:800;
            color:var(--color-ink);
            letter-spacing:.01em;
            font-size:1.06rem;
        }
        .logo-text .en{
            font-size:.7rem;
            color:var(--color-muted);
            letter-spacing:.06em;
        }
        .nav-chips{
            display:flex;
            justify-content:center;
            gap:5px;
            flex-wrap:wrap;
        }
        .nav-chip{
            display:inline-flex;
            align-items:center;
            gap:6px;
            padding:8px 15px;
            border-radius:999px;
            font-size:.91rem;
            font-weight:500;
            color:#41504B;
            background:transparent;
            border:1px solid transparent;
            transition:var(--transition);
            white-space:nowrap;
        }
        .nav-chip:hover{
            background:var(--color-primary-soft);
            color:var(--color-primary);
        }
        .nav-chip.active{
            background:var(--color-primary);
            color:#fff;
            font-weight:600;
            box-shadow:0 6px 16px -10px rgba(14,95,78,.7);
        }
        .header-cta{
            display:flex;
            align-items:center;
            gap:10px;
            justify-content:flex-end;
        }
        .btn-primary{
            display:inline-flex;
            align-items:center;
            justify-content:center;
            gap:8px;
            background:var(--color-accent);
            color:#17221E;
            font-weight:650;
            font-size:.95rem;
            border:1px solid transparent;
            padding:10px 20px;
            border-radius:999px;
            transition:var(--transition);
            text-decoration:none;
            box-shadow:0 8px 18px -12px rgba(224,126,43,.8);
        }
        .btn-primary:hover{
            background:#c96d1f;
            transform:translateY(-1px);
            box-shadow:0 12px 24px -14px rgba(201,109,31,.8);
        }
        .btn-primary:active{
            transform:translateY(0);
        }
        .btn-primary:focus-visible{
            outline:3px solid var(--color-primary);
            outline-offset:3px;
        }
        .btn-outline{
            display:inline-flex;
            align-items:center;
            justify-content:center;
            gap:8px;
            background:#fff;
            color:var(--color-primary);
            border:1.5px solid rgba(14,95,78,.45);
            padding:10px 20px;
            border-radius:999px;
            font-weight:600;
            font-size:.95rem;
            transition:var(--transition);
            text-decoration:none;
        }
        .btn-outline:hover{
            background:rgba(14,95,78,.08);
            border-color:var(--color-primary);
        }
        .btn-outline:hover svg{
            transform:translateX(4px);
        }
        .btn-outline svg{
            transition:transform .22s ease;
        }
        .btn-outline:focus-visible{
            outline:3px solid var(--color-primary);
            outline-offset:3px;
        }
        .mobile-menu-btn{
            width:42px;
            height:42px;
            border-radius:12px;
            border:1px solid rgba(14,95,78,.18);
            background:#fff;
            display:none;
            align-items:center;
            justify-content:center;
        }
        .mobile-nav{
            display:none;
            padding:0 20px 18px;
            border-top:1px solid rgba(14,95,78,.08);
            margin-top:4px;
        }
        .mobile-nav.open{
            display:block;
        }
        .nav-chips-m{
            display:flex;
            gap:10px;
            overflow-x:auto;
            padding:12px 0 4px;
            scrollbar-width:none;
        }
        .nav-chips-m::-webkit-scrollbar{
            display:none;
        }
        .section{
            padding-top:76px;
            padding-bottom:76px;
        }
        .section-title{
            margin-top:0;
            margin-bottom:10px;
            font-size:clamp(1.4rem,2.4vw,2rem);
            font-weight:700;
            line-height:1.3;
            letter-spacing:-.01em;
        }
        .section-lead{
            color:var(--color-muted);
            font-size:.98rem;
            max-width:700px;
            margin:0;
        }
        .kicker{
            display:inline-flex;
            align-items:center;
            gap:8px;
            font-size:.78rem;
            font-weight:700;
            letter-spacing:.16em;
            color:var(--color-primary);
            margin-bottom:12px;
        }
        .kicker::before{
            content:"";
            width:1rem;
            height:2px;
            background:var(--color-primary);
            display:inline-block;
        }
        .text-link{
            display:inline-flex;
            align-items:center;
            gap:6px;
            color:var(--color-primary);
            font-weight:600;
            font-size:.93rem;
            transition:var(--transition);
        }
        .text-link:hover{
            text-decoration:underline;
        }
        .text-link:hover svg{
            transform:translateX(4px);
        }
        .tag-pill{
            display:inline-flex;
            align-items:center;
            border-radius:20px;
            background:var(--color-primary-soft);
            color:var(--color-primary);
            padding:6px 14px;
            font-size:.82rem;
            font-weight:650;
            letter-spacing:.02em;
        }
        .category-hero{
            position:relative;
            padding:72px 0 80px;
            background:
                radial-gradient(circle at 85% 20%, rgba(14,95,78,.05), transparent 260px),
                linear-gradient(180deg,#FAFBF7 0%, var(--color-bg-body) 100%);
            overflow:hidden;
        }
        .hero-grid{
            display:grid;
            grid-template-columns:minmax(0,1fr) minmax(0,.85fr);
            gap:52px;
            align-items:center;
        }
        .h1-title{
            margin:14px 0 18px;
            font-size:clamp(2rem,4vw,3.25rem);
            font-weight:800;
            line-height:1.15;
            letter-spacing:-.01em;
        }
        .h1-title .hl{
            color:var(--color-primary);
        }
        .hero-lead{
            color:#4B5A55;
            font-size:1.04rem;
            line-height:1.85;
            margin:0 0 28px;
            max-width:620px;
        }
        .hero-actions{
            display:flex;
            flex-wrap:wrap;
            gap:14px;
        }
        .hero-art-plate{
            position:relative;
            border-radius:1.4rem;
            min-height:340px;
            background-size:cover;
            background-position:center;
            box-shadow:0 24px 60px -32px rgba(14,95,78,.4);
            border:1px solid rgba(14,95,78,.12);
            overflow:hidden;
        }
        .hero-art-plate::before{
            content:"";
            position:absolute;
            inset:0;
            background:linear-gradient(180deg, rgba(16,43,37,0) 40%, rgba(16,43,37,.35) 100%);
        }
        .badge-float{
            position:absolute;
            top:18px;
            right:18px;
            background:rgba(255,255,255,.95);
            border-radius:16px;
            display:inline-flex;
            align-items:center;
            gap:8px;
            padding:8px 14px;
            font-size:.86rem;
            font-weight:650;
            color:var(--color-ink);
            box-shadow:0 12px 30px -16px rgba(14,95,78,.5);
            z-index:3;
        }
        .badge-float svg{
            color:var(--color-primary);
        }
        .art-chips{
            position:absolute;
            left:16px;
            right:16px;
            bottom:16px;
            display:flex;
            flex-wrap:wrap;
            gap:8px;
            z-index:2;
        }
        .hero-chip{
            background:rgba(255,255,255,.92);
            border-radius:999px;
            padding:5px 13px;
            font-size:.8rem;
            font-weight:550;
            color:var(--color-ink);
            box-shadow:0 6px 14px -8px rgba(0,0,0,.15);
        }
        .support-band{
            background:var(--color-primary-soft);
            border-block:1px solid rgba(14,95,78,.1);
            padding:30px 0;
        }
        .stat-list{
            display:grid;
            grid-template-columns:repeat(4,1fr);
            gap:20px;
            margin:0;
            padding:0;
            list-style:none;
        }
        .stat-item{
            display:flex;
            align-items:center;
            gap:14px;
            border-right:1px dashed rgba(14,95,78,.3);
            padding-right:16px;
        }
        .stat-item:last-child{
            border-right:0;
        }
        .stat-item .icon{
            width:42px;
            height:42px;
            flex-shrink:0;
            display:flex;
            align-items:center;
            justify-content:center;
            border-radius:14px;
            background:rgba(255,255,255,.7);
            color:var(--color-primary);
        }
        .stat-item strong{
            display:block;
            font-size:.95rem;
            font-weight:700;
            color:var(--color-ink);
            line-height:1.3;
        }
        .stat-item span{
            font-size:.82rem;
            color:var(--color-muted);
        }
        .card-grid-3{
            display:grid;
            grid-template-columns:repeat(3,1fr);
            gap:22px;
        }
        .service-card{
            background:var(--color-surface);
            border:1px solid rgba(14,95,78,.12);
            border-radius:var(--radius);
            padding:28px 26px;
            box-shadow:var(--shadow-card);
            transition:var(--transition);
            position:relative;
        }
        .service-card:hover{
            transform:translateY(-5px);
            box-shadow:0 20px 38px -24px rgba(14,95,78,.28);
            border-color:rgba(14,95,78,.25);
        }
        .service-card .card-icon{
            width:46px;
            height:46px;
            border-radius:14px;
            background:var(--color-primary-soft);
            color:var(--color-primary);
            display:flex;
            align-items:center;
            justify-content:center;
            margin-bottom:18px;
        }
        .service-card h3{
            font-size:1.09rem;
            font-weight:700;
            line-height:1.4;
            margin:0 0 8px;
        }
        .service-card p{
            color:#4B5A55;
            font-size:.92rem;
            line-height:1.72;
            margin:0 0 18px;
        }
        .mini-chip{
            display:inline-flex;
            align-items:center;
            background:#fff;
            border:1px solid rgba(14,95,78,.18);
            border-radius:999px;
            color:var(--color-primary);
            font-size:.75rem;
            padding:4px 11px;
            font-weight:550;
            margin:2px 5px 2px 0;
        }
        .steps-wrap{
            margin-top:40px;
            display:flex;
            flex-direction:column;
            gap:20px;
            counter-reset:stepCounter;
        }
        .step-card{
            display:grid;
            grid-template-columns:70px minmax(0,1fr) minmax(0,1fr);
            gap:24px;
            align-items:center;
            background:#fff;
            border:1px solid rgba(14,95,78,.12);
            border-radius:1.2rem;
            padding:22px 28px;
            box-shadow:var(--shadow-card);
            position:relative;
        }
        .step-card:nth-child(even){
            transform:translateX(28px);
        }
        .step-num{
            font-size:1.2rem;
            font-weight:750;
            color:var(--color-primary);
            width:54px;
            height:54px;
            border-radius:18px;
            background:var(--color-primary-soft);
            display:flex;
            align-items:center;
            justify-content:center;
            letter-spacing:-.01em;
        }
        .step-card h3{
            font-size:1.1rem;
            font-weight:700;
            margin:0 0 6px;
        }
        .step-card p{
            color:#4B5A55;
            font-size:.92rem;
            line-height:1.75;
            margin:0;
            max-width:640px;
        }
        .info-note{
            background:#fff;
            border:1px solid rgba(14,95,78,.12);
            border-left:5px solid var(--color-primary);
            padding:22px 24px;
            border-radius:14px;
            box-shadow:var(--shadow-card);
        }
        .info-note p{
            margin:0;
            color:#4B5A55;
            font-size:.94rem;
            line-height:1.75;
        }
        .check-list{
            list-style:none;
            margin:16px 0 0;
            padding:0;
            display:flex;
            flex-direction:column;
            gap:12px;
        }
        .check-list li{
            display:flex;
            align-items:flex-start;
            gap:10px;
            color:#43514D;
            font-size:.93rem;
        }
        .check-list svg{
            flex-shrink:0;
            color:var(--color-primary);
            margin-top:3px;
        }
        .module-card{
            background:var(--color-surface);
            border:1px dashed rgba(14,95,78,.28);
            border-radius:1rem;
            padding:26px;
            box-shadow:var(--shadow-card);
            transition:var(--transition);
        }
        .module-card .module-tag{
            display:inline-flex;
            align-items:center;
            gap:8px;
            padding:4px 12px;
            background:#F1EEE6;
            color:#6A604F;
            border-radius:999px;
            font-size:.76rem;
        }
        .module-card h3{
            font-size:1.05rem;
            font-weight:700;
            margin:14px 0 8px;
        }
        .module-card p{
            font-size:.89rem;
            color:#75807B;
            line-height:1.7;
            margin:0;
        }
        .faq-layout{
            display:grid;
            grid-template-columns:minmax(0,1.6fr) minmax(280px,.7fr);
            gap:32px;
            align-items:start;
        }
        .faq-list{
            display:flex;
            flex-direction:column;
            gap:12px;
        }
        .faq-item{
            background:#fff;
            border:1px solid rgba(14,95,78,.12);
            border-radius:16px;
            overflow:hidden;
            transition:border-color .2s ease;
        }
        .faq-item.open{
            border-color:rgba(14,95,78,.28);
        }
        .faq-question{
            width:100%;
            display:flex;
            justify-content:space-between;
            align-items:center;
            gap:16px;
            padding:18px 20px;
            background:transparent;
            border:0;
            text-align:left;
            font-size:.98rem;
            font-weight:600;
            color:var(--color-ink);
            transition:background .2s ease;
        }
        .faq-question:hover{
            background:rgba(14,95,78,.03);
        }
        .faq-icon{
            width:28px;
            height:28px;
            border-radius:50%;
            background:var(--color-primary-soft);
            color:var(--color-primary);
            display:flex;
            align-items:center;
            justify-content:center;
            flex-shrink:0;
            transition:transform .22s ease, background .22s ease;
        }
        .faq-item.open .faq-icon{
            transform:rotate(45deg);
            background:var(--color-primary);
            color:#fff;
        }
        .faq-panel{
            max-height:0;
            overflow:hidden;
            transition:max-height .25s ease;
        }
        .faq-answer{
            padding:0 22px 20px;
            border-top:1.5px solid rgba(14,95,78,.1);
            margin:0 8px;
            font-size:.92rem;
            line-height:1.78;
            color:#4B5A55;
        }
        .side-card{
            background:#fff;
            border-radius:1.2rem;
            border:1px solid rgba(14,95,78,.12);
            padding:26px;
            box-shadow:var(--shadow-card);
        }
        .cta-band{
            background:var(--color-primary);
            border-radius:1.8rem;
            padding:48px 46px;
            position:relative;
            overflow:hidden;
            color:#fff;
        }
        .cta-band::after{
            content:"";
            position:absolute;
            right:-60px;
            top:-60px;
            width:220px;
            height:220px;
            border-radius:50%;
            border:1px solid rgba(255,255,255,.25);
            box-shadow:0 0 0 36px rgba(255,255,255,.06), 0 0 0 72px rgba(255,255,255,.04);
        }
        .cta-band-inner{
            position:relative;
            z-index:2;
        }
        .cta-band .btn-primary{
            background:#fff;
            color:var(--color-primary);
            box-shadow:0 12px 28px -14px rgba(0,0,0,.3);
        }
        .cta-band .btn-primary:hover{
            background:#F1EEE6;
            color:var(--color-primary);
        }
        .btn-light-border{
            display:inline-flex;
            align-items:center;
            justify-content:center;
            gap:8px;
            background:transparent;
            color:#fff;
            border:1.5px solid rgba(255,255,255,.7);
            padding:10px 20px;
            border-radius:999px;
            font-weight:600;
            font-size:.95rem;
            transition:var(--transition);
        }
        .btn-light-border:hover{
            background:rgba(255,255,255,.14);
            border-color:#fff;
        }
        .footer-section{
            background:var(--color-dark-footer);
            color:rgba(255,255,255,.78);
            padding-top:64px;
            margin-top:76px;
        }
        .footer-section a{
            color:rgba(255,255,255,.76);
            transition:var(--transition);
        }
        .footer-section a:hover{
            color:#fff;
        }
        .footer-bottom{
            border-top:1px solid rgba(255,255,255,.12);
            padding:20px 0;
            display:flex;
            justify-content:space-between;
            flex-wrap:wrap;
            gap:8px;
            margin-top:16px;
            font-size:.84rem;
            color:rgba(255,255,255,.55);
        }
        .modal-overlay[hidden]{
            display:none !important;
        }
        .modal-overlay{
            position:fixed;
            inset:0;
            z-index:1000;
            background:rgba(16,27,24,.6);
            backdrop-filter:blur(2px);
            -webkit-backdrop-filter:blur(2px);
            display:flex;
            align-items:center;
            justify-content:center;
            padding:20px;
        }
        .modal-card{
            width:100%;
            max-width:500px;
            max-height:92vh;
            overflow:auto;
            background:#fff;
            border-radius:20px;
            padding:30px 28px 24px;
            box-shadow:0 30px 70px -30px rgba(0,0,0,.35);
            position:relative;
        }
        .modal-close{
            position:absolute;
            right:16px;
            top:16px;
            width:34px;
            height:34px;
            border-radius:50%;
            border:1px solid rgba(14,95,78,.15);
            background:#fff;
            display:flex;
            align-items:center;
            justify-content:center;
            color:var(--color-muted);
            transition:var(--transition);
        }
        .modal-close:hover{
            background:var(--color-primary-soft);
            color:var(--color-primary);
        }
        .modal-form .field{
            margin-bottom:16px;
        }
        .modal-form label{
            display:block;
            font-size:.88rem;
            font-weight:600;
            color:var(--color-ink);
            margin-bottom:6px;
        }
        .modal-form input,
        .modal-form select{
            width:100%;
            padding:10px 14px;
            border-radius:12px;
            border:1px solid rgba(14,95,78,.22);
            background:#fff;
            font-size:.95rem;
            color:var(--color-ink);
            outline:none;
            transition:border-color .2s ease, box-shadow .2s ease;
        }
        .modal-form input:focus,
        .modal-form select:focus{
            border-color:var(--color-accent);
            box-shadow:0 0 0 4px rgba(224,126,43,.12);
        }
        .privacy-line{
            font-size:.74rem;
            color:#84938E;
            line-height:1.7;
            margin:12px 4px 0;
        }
        @media (max-width:1024px){
            .container-base{
                padding-inline:24px;
            }
            .hero-grid{
                grid-template-columns:minmax(0,1fr) minmax(0,.9fr);
                gap:28px;
            }
            .step-card:nth-child(even){
                transform:translateX(0);
            }
        }
        @media (max-width:920px){
            .header-inner{
                grid-template-columns:1fr auto;
            }
            .nav-chips{
                display:none;
            }
            .mobile-menu-btn{
                display:inline-flex;
            }
            .hero-grid{
                grid-template-columns:1fr;
            }
            .hero-art-plate{
                min-height:260px;
            }
            .stat-list{
                grid-template-columns:repeat(2,1fr);
                row-gap:18px;
            }
            .stat-item:nth-child(2){
                border-right:0;
            }
            .card-grid-3{
                grid-template-columns:1fr;
            }
            .step-card{
                grid-template-columns:1fr;
                gap:12px;
            }
            .step-num{
                width:46px;
                height:46px;
            }
            .faq-layout{
                grid-template-columns:1fr;
            }
        }
        @media (max-width:640px){
            .container-base{
                padding-inline:20px;
            }
            .section{
                padding-top:52px;
                padding-bottom:52px;
            }
            .header-inner{
                min-height:66px;
                gap:10px;
            }
            .logo-icon{
                width:36px;
                height:36px;
            }
            .logo-text .zh{
                font-size:.96rem;
            }
            .header-cta .btn-primary{
                display:none;
            }
            .category-hero{
                padding:46px 0 54px;
            }
            .hero-actions{
                flex-direction:column;
                align-items:stretch;
            }
            .hero-actions .btn-primary,
            .hero-actions .btn-outline{
                width:100%;
            }
            .hero-art-plate{
                min-height:220px;
            }
            .stat-list{
                grid-template-columns:1fr;
            }
            .stat-item{
                border-right:0;
                border-bottom:1px dashed rgba(14,95,78,.25);
                padding-bottom:12px;
                padding-right:0;
            }
            .stat-item:last-child{
                border-bottom:0;
                padding-bottom:0;
            }
            .cta-band{
                padding:34px 26px;
                border-radius:1.4rem;
            }
            .cta-actions{
                flex-direction:column;
            }
            .cta-actions .btn-primary,
            .cta-actions .btn-light-border{
                width:100%;
            }
            .modal-card{
                padding:26px 18px 20px;
            }
        }

/* roulang page: article */
:root {
            --color-primary: #0E5F4E;
            --color-primary-2: #0A4B3D;
            --color-primary-soft: #E5F0EB;
            --color-accent: #E07E2B;
            --color-accent-2: #C96D1F;
            --color-bg-body: #F5F4EF;
            --color-surface: #FFFFFF;
            --color-ink: #17221E;
            --color-muted: #5D6B66;
            --color-soft-muted: #84938E;
            --color-line: rgba(14, 95, 78, 0.14);
            --color-dark-footer: #102B25;
            --radius: 1rem;
            --radius-sm: 0.75rem;
            --shadow-card: 0 10px 30px -18px rgba(14, 95, 78, 0.18);
            --container-max: 1200px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            background: var(--color-bg-body);
            color: var(--color-ink);
            line-height: 1.8;
            -webkit-font-smoothing: antialiased;
        }

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

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

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

        [hidden] {
            display: none !important;
        }

        .container-base {
            max-width: var(--container-max);
            margin-inline: auto;
            padding-inline: 20px;
            width: 100%;
        }

        .container-base.narrow {
            max-width: 800px;
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 60;
            background: rgba(255, 255, 255, 0.88);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--color-line);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 20px;
        }

        .logo-block {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            border-radius: 12px;
            flex-shrink: 0;
        }

        .logo-block:focus-visible {
            outline: 3px solid rgba(14, 95, 78, 0.35);
            outline-offset: 2px;
        }

        .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: var(--color-primary);
            color: #fff;
            display: inline-flex;
            align-items: center;
            justify-content: center;
        }

        .logo-text {
            display: inline-flex;
            flex-direction: column;
            line-height: 1.2;
        }

        .logo-text .zh {
            font-size: 1.06rem;
            font-weight: 800;
            color: var(--color-ink);
            letter-spacing: 0.01em;
        }

        .logo-text .en {
            font-size: 0.72rem;
            font-weight: 600;
            color: var(--color-muted);
            letter-spacing: 0.04em;
        }

        .nav-chips {
            display: flex;
            align-items: center;
            gap: 4px;
            background: rgba(14, 95, 78, 0.06);
            padding: 4px;
            border-radius: 999px;
            overflow-x: auto;
            scrollbar-width: none;
        }

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

        .nav-chip {
            display: inline-flex;
            align-items: center;
            padding: 0.42rem 0.95rem;
            border-radius: 999px;
            font-size: 0.88rem;
            font-weight: 600;
            color: #33504A;
            white-space: nowrap;
            transition: background .2s, color .2s;
        }

        .nav-chip:hover {
            background: var(--color-primary-soft);
            color: var(--color-primary);
        }

        .nav-chip.active {
            background: var(--color-primary);
            color: #fff;
        }

        .nav-chip:focus-visible {
            outline: 3px solid rgba(14, 95, 78, 0.35);
            outline-offset: 1px;
        }

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

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border: 0;
            background: var(--color-accent);
            color: var(--color-ink);
            font-weight: 700;
            border-radius: 999px;
            padding: 0.7rem 1.3rem;
            font-size: 0.94rem;
            cursor: pointer;
            box-shadow: 0 8px 22px -12px rgba(224, 126, 43, 0.65);
            transition: background .2s, transform .2s, box-shadow .2s;
            white-space: nowrap;
        }

        .btn-primary:hover {
            background: var(--color-accent-2);
            color: #fff;
            transform: translateY(-1px);
        }

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

        .btn-primary:focus-visible,
        .btn-secondary:focus-visible {
            outline: 3px solid rgba(14, 95, 78, 0.4);
            outline-offset: 3px;
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: transparent;
            color: var(--color-primary);
            border: 1.5px solid var(--color-primary);
            border-radius: 999px;
            padding: 0.62rem 1.25rem;
            font-size: 0.94rem;
            font-weight: 600;
            cursor: pointer;
            transition: background .2s, color .2s, transform .2s;
            white-space: nowrap;
        }

        .btn-secondary:hover {
            background: rgba(14, 95, 78, 0.08);
            color: var(--color-primary);
            transform: translateY(-1px);
        }

        .mobile-menu-btn {
            display: none;
            width: 42px;
            height: 42px;
            border-radius: 12px;
            border: 0;
            background: var(--color-primary-soft);
            align-items: center;
            justify-content: center;
            cursor: pointer;
        }

        .mobile-menu-btn:focus-visible {
            outline: 3px solid rgba(14, 95, 78, 0.35);
        }

        .mobile-nav {
            display: none;
            background: #fff;
            border-top: 1px solid var(--color-line);
            padding: 12px 20px 16px;
        }

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

        .mobile-nav .nav-chip {
            background: rgba(14, 95, 78, 0.05);
        }

        .mobile-nav .nav-chip.active {
            background: var(--color-primary);
            color: #fff;
        }

        .breadcrumb-wrap {
            background: #fff;
            border-bottom: 1px solid var(--color-line);
            padding: 12px 0;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 0.88rem;
            color: var(--color-muted);
        }

        .breadcrumb a {
            color: var(--color-primary);
            font-weight: 500;
        }

        .breadcrumb a:hover {
            text-decoration: underline;
        }

        .crumb-sep {
            color: #AAB9B4;
        }

        .crumb-current {
            color: var(--color-ink);
            font-weight: 600;
            max-width: 18em;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        .article-head {
            position: relative;
            padding: 3.3rem 0 2.3rem;
            background: #FBFAF6;
            border-bottom: 1px solid var(--color-line);
            overflow: hidden;
            text-align: center;
        }

        .article-head::after {
            content: "";
            position: absolute;
            width: 340px;
            height: 340px;
            border: 1px solid rgba(14, 95, 78, 0.1);
            border-radius: 50%;
            top: -230px;
            right: -80px;
            pointer-events: none;
        }

        .article-head .head-kicker {
            position: relative;
            z-index: 1;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--color-primary);
            font-size: 0.76rem;
            font-weight: 700;
            letter-spacing: 0.16em;
            margin-bottom: 1rem;
        }

        .article-head .head-kicker::before {
            content: "";
            width: 20px;
            height: 2px;
            background: var(--color-primary);
            display: inline-block;
        }

        .article-title {
            max-width: 760px;
            margin: 0 auto;
            font-size: clamp(1.75rem, 3.6vw, 2.8rem);
            font-weight: 800;
            line-height: 1.28;
            letter-spacing: -0.01em;
            color: var(--color-ink);
        }

        .article-meta {
            margin-top: 1.35rem;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-wrap: wrap;
            gap: 0.7rem 0.85rem;
            font-size: 0.9rem;
            color: var(--color-muted);
        }

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

        .meta-dot {
            width: 4px;
            height: 4px;
            background: #C3CFCA;
            border-radius: 50%;
        }

        .meta-badge {
            display: inline-flex;
            align-items: center;
            background: var(--color-primary-soft);
            color: var(--color-primary);
            border: 1px solid rgba(14, 95, 78, 0.2);
            padding: 0.18rem 0.7rem;
            border-radius: 999px;
            font-size: 0.76rem;
            font-weight: 700;
        }

        .article-post-section {
            padding: 2.6rem 0 4rem;
        }

        .article-body {
            background: var(--color-surface);
            border: 1px solid rgba(14, 95, 78, 0.12);
            border-radius: 1.25rem;
            box-shadow: var(--shadow-card);
            padding: clamp(1.5rem, 4vw, 3.25rem);
            color: #24332E;
            font-size: 0.98rem;
            line-height: 1.9;
        }

        .article-body > * + * {
            margin-top: 1.2rem;
        }

        .article-body h2 {
            font-size: 1.45rem;
            font-weight: 800;
            color: var(--color-ink);
            margin: 2rem 0 0.8rem;
            padding-bottom: 0.5rem;
            border-bottom: 1px solid var(--color-line);
        }

        .article-body h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: #1F3630;
            margin: 1.8rem 0 0.7rem;
        }

        .article-body h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--color-primary);
            margin: 1.4rem 0 0.5rem;
        }

        .article-body p {
            color: #3D4B46;
        }

        .article-body ul,
        .article-body ol {
            padding-left: 1.4rem;
            color: #3D4B46;
        }

        .article-body li {
            margin: 0.4rem 0;
        }

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

        .article-body a:hover {
            color: var(--color-accent-2);
        }

        .article-body blockquote {
            border-left: 4px solid var(--color-primary);
            background: var(--color-primary-soft);
            padding: 0.9rem 1.2rem;
            border-radius: 0 0.75rem 0.75rem 0;
            color: #2A4A41;
            margin: 1.5rem 0;
        }

        .article-body img {
            border-radius: 8px;
            margin: 1.5rem 0;
            aspect-ratio: 16 / 9;
            object-fit: cover;
            width: 100%;
        }

        .article-body table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5rem 0;
            font-size: 0.92rem;
        }

        .article-body th,
        .article-body td {
            border: 1px solid var(--color-line);
            padding: 0.6rem 0.8rem;
            text-align: left;
        }

        .article-body th {
            background: var(--color-primary-soft);
            color: var(--color-primary);
            font-weight: 700;
        }

        .article-body code {
            background: #EFF3F1;
            color: #0F5B4A;
            border-radius: 6px;
            padding: 0.15rem 0.45rem;
            font-size: 0.9em;
        }

        .article-body pre {
            background: #102B25;
            color: #E8F0ED;
            padding: 1.1rem 1.2rem;
            border-radius: 0.85rem;
            overflow-x: auto;
            margin: 1.5rem 0;
        }

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

        .article-body hr {
            border: 0;
            border-top: 1px solid var(--color-line);
            margin: 2rem 0;
        }

        .article-body strong {
            color: #0F2A23;
        }

        .article-tailbar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 1rem 1.5rem;
            margin: 1.5rem 0 1rem;
        }

        .text-arrow-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--color-primary);
            font-weight: 600;
            font-size: 0.93rem;
        }

        .text-arrow-link svg {
            transition: transform .2s;
        }

        .text-arrow-link:hover {
            color: var(--color-accent-2);
        }

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

        .article-helpband {
            position: relative;
            display: grid;
            grid-template-columns: minmax(0, 1fr) 190px;
            gap: 1.5rem;
            align-items: center;
            background-color: var(--color-dark-footer);
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            color: #fff;
            border-radius: 1.25rem;
            padding: 1.6rem;
            margin-top: 1.75rem;
            overflow: hidden;
            box-shadow: 0 18px 44px -28px rgba(16, 43, 37, 0.6);
        }

        .article-helpband::before {
            content: "";
            position: absolute;
            inset: 0;
            background: rgba(16, 43, 37, 0.74);
            pointer-events: none;
        }

        .article-helpband > * {
            position: relative;
            z-index: 1;
        }

        .helpband-copy h2 {
            color: #fff;
            font-size: 1.3rem;
            font-weight: 800;
            margin-bottom: 0.25rem;
        }

        .helpband-copy p {
            color: rgba(255, 255, 255, 0.82);
            font-size: 0.93rem;
        }

        .helpband-media img {
            width: 100%;
            aspect-ratio: 4 / 3;
            object-fit: cover;
            border-radius: 0.8rem;
            box-shadow: 0 12px 30px -12px rgba(0, 0, 0, 0.35);
        }

        .missing-section {
            min-height: 420px;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 4rem 20px;
        }

        .missing-card {
            background: #fff;
            border: 1px solid var(--color-line);
            border-radius: 1.25rem;
            box-shadow: var(--shadow-card);
            max-width: 560px;
            width: 100%;
            text-align: center;
            padding: 3rem 2rem;
        }

        .missing-card h1 {
            font-size: 1.6rem;
            font-weight: 800;
            margin-bottom: 0.5rem;
        }

        .missing-card p {
            color: var(--color-muted);
            margin-bottom: 1.5rem;
        }

        .footer-section {
            background: var(--color-dark-footer);
            color: rgba(255, 255, 255, 0.78);
            padding: 4.5rem 0 0;
            margin-top: 0.5rem;
        }

        .footer-section a {
            color: rgba(255, 255, 255, 0.76);
            transition: color .2s;
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 1.5rem 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.75rem;
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.85rem;
        }

        .modal-overlay {
            position: fixed;
            inset: 0;
            z-index: 100;
            background: rgba(16, 27, 24, 0.6);
            backdrop-filter: blur(2px);
            -webkit-backdrop-filter: blur(2px);
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 20px;
        }

        .modal-panel {
            background: #fff;
            border-radius: 20px;
            max-width: 500px;
            width: 100%;
            padding: 2rem;
            position: relative;
            box-shadow: 0 24px 60px -20px rgba(0, 0, 0, 0.35);
            max-height: 90vh;
            overflow: auto;
        }

        .modal-close {
            position: absolute;
            top: 16px;
            right: 16px;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            border: 0;
            background: #F0F3F2;
            color: var(--color-ink);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: background .2s;
        }

        .modal-close:hover {
            background: var(--color-primary-soft);
        }

        .modal-close:focus-visible {
            outline: 3px solid rgba(14, 95, 78, 0.4);
        }

        .modal-title {
            font-size: 1.4rem;
            font-weight: 800;
            margin-bottom: 0.3rem;
            padding-right: 2rem;
        }

        .modal-intro {
            color: var(--color-muted);
            font-size: 0.92rem;
            margin-bottom: 1.5rem;
        }

        .form-group {
            margin-bottom: 1rem;
            text-align: left;
        }

        .form-label {
            display: block;
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--color-ink);
            margin-bottom: 6px;
        }

        .form-control {
            width: 100%;
            border: 1px solid rgba(14, 95, 78, 0.26);
            background: #FAFBFA;
            border-radius: 12px;
            padding: 0.68rem 0.9rem;
            font-size: 0.95rem;
            color: var(--color-ink);
            transition: border-color .2s, box-shadow .2s;
        }

        .form-control:focus {
            outline: none;
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(224, 126, 43, 0.16);
            background: #fff;
        }

        .privacy-note {
            color: var(--color-soft-muted);
            font-size: 0.76rem;
            margin-top: 12px;
            text-align: center;
        }

        .form-success {
            display: none;
            background: var(--color-primary-soft);
            color: var(--color-primary);
            font-size: 0.95rem;
            font-weight: 600;
            border-radius: 12px;
            padding: 0.8rem 1rem;
            text-align: center;
            margin-top: 12px;
        }

        .form-success.show {
            display: block;
        }

        @media (max-width: 980px) {
            .nav-chips {
                display: none;
            }
            .mobile-menu-btn {
                display: inline-flex;
            }
        }

        @media (max-width: 640px) {
            .header-inner {
                height: 64px;
            }
            .article-helpband {
                grid-template-columns: 1fr;
            }
            .helpband-media img {
                max-height: 220px;
            }
            .article-title {
                font-size: 1.6rem;
                line-height: 1.35;
            }
            .article-body {
                padding: 1.4rem;
            }
            .footer-section {
                padding-top: 3rem;
            }
        }

        @media (max-width: 520px) {
            .article-head {
                padding: 2.5rem 0 1.8rem;
            }
            .article-head .head-kicker {
                letter-spacing: 0.08em;
            }
            .logo-text .zh {
                font-size: 0.98rem;
            }
            .logo-icon {
                width: 34px;
                height: 34px;
            }
            .header-cta .btn-primary {
                padding: 0.6rem 0.9rem;
                font-size: 0.86rem;
            }
            .article-tailbar {
                align-items: flex-start;
                flex-direction: column;
            }
        }

/* roulang page: category2 */
:root {
            --color-primary: #0E5F4E;
            --color-primary-soft: #E5F0EB;
            --color-accent: #E07E2B;
            --color-bg-body: #F5F4EF;
            --color-surface: #FFFFFF;
            --color-ink: #17221E;
            --color-muted: #5D6B66;
            --color-line: rgba(14, 95, 78, 0.14);
            --color-dark-footer: #102B25;
            --radius-card: 1rem;
            --shadow-card: 0 10px 30px -18px rgba(14, 95, 78, 0.18);
        }
        * {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            margin: 0;
            font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            background: var(--color-bg-body);
            color: var(--color-ink);
            line-height: 1.6;
            font-size: 15px;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color 0.2s ease, background 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, opacity 0.2s ease, transform 0.2s ease;
        }
        button {
            font-family: inherit;
            cursor: pointer;
        }
        .container-base {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 768px) {
            .container-base {
                max-width: 100%;
                padding: 0 20px;
            }
        }
        /* Layout */
        .section-space {
            padding: 96px 0;
        }
        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 12px;
            font-weight: 700;
            letter-spacing: 0.16em;
            color: var(--color-primary);
            margin-bottom: 14px;
        }
        .section-tag::before {
            content: "";
            display: block;
            width: 1rem;
            height: 2px;
            background: var(--color-accent);
        }
        .section-title {
            font-weight: 700;
            font-size: clamp(1.4rem, 2.4vw, 2rem);
            line-height: 1.4;
            color: var(--color-ink);
            letter-spacing: -0.01em;
        }
        .section-lead {
            max-width: 640px;
            margin-top: 12px;
            font-size: 15px;
            line-height: 1.8;
            color: #4B5A55;
        }
        @media (max-width: 768px) {
            .section-space {
                padding: 60px 0;
            }
        }
        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background: rgba(255, 255, 255, 0.88);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--color-line);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            height: 72px;
        }
        .logo-block {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo-icon {
            width: 40px;
            height: 40px;
            background: var(--color-primary);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            flex-shrink: 0;
            box-shadow: 0 4px 12px -4px rgba(14, 95, 78, 0.4);
        }
        .logo-text {
            display: inline-flex;
            flex-direction: column;
            line-height: 1.1;
        }
        .logo-text .zh {
            font-size: 16px;
            font-weight: 800;
            color: var(--color-ink);
        }
        .logo-text .en {
            font-size: 10px;
            color: var(--color-muted);
            letter-spacing: 0.08em;
        }
        .nav-chips {
            display: flex;
            align-items: center;
            gap: 4px;
            background: #F0EFE9;
            border-radius: 40px;
            padding: 4px;
        }
        .nav-chip {
            padding: 8px 16px;
            font-size: 13px;
            font-weight: 600;
            color: #4B5A55;
            border-radius: 40px;
            white-space: nowrap;
            transition: all 0.2s ease;
        }
        .nav-chip:hover {
            color: var(--color-primary);
            background: rgba(14, 95, 78, 0.08);
        }
        .nav-chip.active {
            background: var(--color-primary);
            color: #ffffff;
            box-shadow: 0 4px 12px -6px rgba(14, 95, 78, 0.5);
        }
        .header-cta {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .btn-primary {
            background: var(--color-accent);
            color: #17221E;
            font-weight: 700;
            font-size: 14px;
            border: none;
            border-radius: 999px;
            padding: 10px 20px;
            transition: all 0.2s ease;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .btn-primary:hover {
            background: #c96d1f;
            transform: translateY(-1px);
        }
        .btn-primary:active {
            transform: translateY(0);
        }
        .btn-primary:focus-visible {
            outline: 3px solid var(--color-primary);
            outline-offset: 2px;
        }
        .mobile-menu-btn {
            background: transparent;
            border: 1px solid var(--color-line);
            border-radius: 10px;
            width: 40px;
            height: 40px;
            display: none;
            align-items: center;
            justify-content: center;
        }
        .mobile-nav {
            display: none;
            padding: 12px 20px 16px;
            border-top: 1px solid var(--color-line);
            background: #fff;
        }
        .mobile-nav.open {
            display: block;
        }
        .nav-chips-m {
            padding-bottom: 4px;
            scrollbar-width: none;
        }
        .nav-chips-m::-webkit-scrollbar {
            display: none;
        }
        @media (max-width: 1024px) {
            .nav-chips {
                display: none;
            }
            .mobile-menu-btn {
                display: flex;
            }
            .mobile-nav {
                display: block;
            }
            .mobile-nav .nav-chips {
                display: none;
            }
        }
        @media (min-width: 1025px) {
            .mobile-nav {
                display: none !important;
            }
        }
        /* hero section */
        .hero-section {
            position: relative;
            overflow: hidden;
            background: linear-gradient(180deg, #F0F5F1 0%, #F5F4EF 100%);
            padding: 80px 0 90px;
        }
        .hero-section:before {
            content: "";
            position: absolute;
            right: -120px;
            top: -120px;
            width: 420px;
            height: 420px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(14, 95, 78, 0.08) 0%, transparent 70%);
        }
        .hero-grid {
            display: grid;
            grid-template-columns: 48% 50%;
            gap: 6%;
            align-items: center;
        }
        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--color-primary-soft);
            color: var(--color-primary);
            font-size: 12px;
            font-weight: 700;
            padding: 6px 16px;
            border-radius: 999px;
            margin-bottom: 18px;
        }
        .hero-title {
            font-size: clamp(2rem, 4vw, 3.25rem);
            font-weight: 800;
            line-height: 1.18;
            letter-spacing: -0.01em;
            color: var(--color-ink);
        }
        .hero-title .highlight {
            color: var(--color-accent);
        }
        .hero-desc {
            font-size: 15px;
            line-height: 1.9;
            color: #3E4D48;
            margin: 20px 0 28px;
            max-width: 540px;
        }
        .hero-cta {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
        }
        .btn-secondary {
            background: transparent;
            color: var(--color-primary);
            border: 1.5px solid var(--color-primary);
            border-radius: 999px;
            padding: 10px 20px;
            font-size: 14px;
            font-weight: 700;
            transition: all 0.2s ease;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .btn-secondary:hover {
            background: rgba(14, 95, 78, 0.08);
        }
        .hero-media {
            position: relative;
        }
        .hero-media .main-img {
            border-radius: 24px;
            aspect-ratio: 4/3;
            object-fit: cover;
            box-shadow: 0 24px 50px -32px rgba(14, 95, 78, 0.5);
            width: 100%;
        }
        .hero-badge {
            position: absolute;
            left: -16px;
            bottom: 28px;
            background: #fff;
            border-radius: 18px;
            padding: 12px 18px;
            display: flex;
            align-items: center;
            gap: 8px;
            box-shadow: 0 12px 30px -18px rgba(14, 95, 78, 0.3);
            border: 1px solid rgba(14, 95, 78, 0.1);
        }
        @media (max-width: 900px) {
            .hero-section {
                padding: 50px 0 60px;
            }
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .hero-media {
                order: 2;
            }
            .hero-badge {
                left: 10px;
                bottom: 14px;
            }
        }
        /* metrics strip */
        .metrics-band {
            padding: 24px 0;
            background: var(--color-primary-soft);
            border-bottom: 1px solid rgba(14, 95, 78, 0.1);
        }
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            align-items: center;
        }
        .metric-item {
            text-align: center;
            padding: 18px 8px;
            border-right: 1px dashed rgba(14, 95, 78, 0.3);
            display: flex;
            flex-direction: column;
            align-items: center;
        }
        .metric-item:last-child {
            border-right: none;
        }
        .metric-num {
            font-size: 30px;
            font-weight: 800;
            color: var(--color-ink);
            letter-spacing: 0.02em;
        }
        .metric-label {
            font-size: 13px;
            color: var(--color-muted);
            margin-top: 4px;
        }
        @media (max-width: 768px) {
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .metric-item:nth-child(2) {
                border-right: none;
            }
            .metric-item:nth-child(-n+2) {
                border-bottom: 1px dashed rgba(14, 95, 78, 0.2);
            }
        }
        @media (max-width: 480px) {
            .metrics-grid {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .metric-num {
                font-size: 22px;
            }
        }
        /* safety cards block */
        .check-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 26px;
        }
        @media (max-width: 992px) {
            .check-grid {
                grid-template-columns: 1fr;
            }
        }
        .safety-card {
            background: #fff;
            border-radius: var(--radius-card);
            border: 1px solid rgba(14, 95, 78, 0.1);
            padding: 26px 24px;
            box-shadow: var(--shadow-card);
            transition: all 0.3s ease;
            position: relative;
        }
        .safety-card:hover {
            transform: translateY(-4px);
        }
        .safety-icon {
            width: 46px;
            height: 46px;
            border-radius: 12px;
            background: var(--color-primary-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-primary);
            margin-bottom: 18px;
        }
        .safety-card h3 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--color-ink);
        }
        .safety-card p {
            font-size: 14px;
            line-height: 1.8;
            color: #4B5A55;
            margin-bottom: 0;
        }
        .card-num {
            position: absolute;
            top: 20px;
            right: 24px;
            font-size: 12px;
            font-weight: 800;
            letter-spacing: 0.1em;
            background: var(--color-primary-soft);
            color: var(--color-primary);
            border-radius: 999px;
            padding: 4px 10px;
        }
        /* process steps */
        .steps-section {
            background: #ffffff;
            border-top: 1px solid var(--color-line);
            border-bottom: 1px solid var(--color-line);
        }
        .steps-column {
            display: flex;
            flex-direction: column;
            gap: 20px;
            max-width: 900px;
            margin: 40px auto 0;
        }
        .step-row {
            display: grid;
            grid-template-columns: 64px 1fr 60px;
            gap: 22px;
            align-items: start;
            background: var(--color-surface);
            border: 1px solid rgba(14, 95, 78, 0.08);
            border-radius: 18px;
            padding: 24px 28px;
            position: relative;
            transition: all 0.2s ease;
        }
        .step-row:hover {
            border-color: rgba(14, 95, 78, 0.25);
            box-shadow: 0 12px 32px -24px rgba(14, 95, 78, 0.3);
        }
        .step-num {
            background: var(--color-primary);
            color: #fff;
            width: 56px;
            height: 56px;
            border-radius: 18px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 18px;
            letter-spacing: 0.02em;
        }
        .step-row:nth-child(even) {
            transform: translateX(2%);
        }
        .step-row h3 {
            font-weight: 700;
            font-size: 18px;
            color: var(--color-ink);
            margin-bottom: 6px;
        }
        .step-row p {
            color: var(--color-muted);
            font-size: 14px;
            line-height: 1.8;
            margin: 0;
        }
        .step-icon {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--color-primary-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-primary);
            justify-self: center;
        }
        @media (max-width: 768px) {
            .step-row {
                grid-template-columns: 1fr;
                gap: 14px;
                padding: 20px;
            }
            .step-row:nth-child(even) {
                transform: none;
            }
            .step-icon {
                display: none;
            }
        }
        /* scenario line */
        .scenario-section {
            padding: 70px 0;
        }
        .scenario-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
            align-items: center;
        }
        .scenario-image {
            border-radius: 20px;
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }
        .scenario-image img {
            width: 100%;
            aspect-ratio: 16/11;
            object-fit: cover;
        }
        .scenario-list {
            list-style: none;
            padding: 0;
            margin: 0;
            display: grid;
            grid-template-columns: 1fr;
            gap: 14px;
        }
        .scenario-list li {
            display: flex;
            gap: 12px;
            align-items: flex-start;
            background: #fff;
            padding: 16px 18px;
            border-radius: 14px;
            border: 1px solid rgba(14, 95, 78, 0.08);
            font-size: 14px;
            line-height: 1.7;
            color: #3B4A44;
        }
        .scenario-list svg {
            flex-shrink: 0;
            background: var(--color-primary-soft);
            border-radius: 50%;
            padding: 4px;
            color: var(--color-primary);
        }
        @media (max-width: 900px) {
            .scenario-grid {
                grid-template-columns: 1fr;
            }
        }
        /* CTA band */
        .cta-band {
            background: var(--color-dark-footer);
            padding: 64px 0;
            color: #fff;
        }
        .cta-band-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 30px;
            flex-wrap: wrap;
        }
        .cta-band-text h2 {
            color: white;
            font-size: 28px;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .cta-band-text p {
            color: rgba(255, 255, 255, 0.7);
            max-width: 500px;
        }
        .cta-band-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .btn-light {
            background: var(--color-accent);
            color: var(--color-ink);
            border-radius: 999px;
            border: none;
            padding: 12px 26px;
            font-weight: 700;
            transition: all 0.2s ease;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-light:hover {
            background: #d7741d;
            transform: translateY(-2px);
        }
        .btn-outline-light {
            border: 1.5px solid rgba(255, 255, 255, 0.7);
            color: #fff;
            background: transparent;
            border-radius: 999px;
            padding: 12px 26px;
            font-weight: 600;
            transition: all 0.2s ease;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        @media (max-width: 640px) {
            .cta-band-inner {
                flex-direction: column;
                text-align: center;
                justify-content: center;
            }
            .cta-band-actions {
                justify-content: center;
            }
        }
        /* FAQ */
        .faq-wrap {
            max-width: 900px;
            margin: 0 auto;
        }
        .faq-item {
            background: #fff;
            border: 1px solid rgba(14, 95, 78, 0.12);
            border-radius: 14px;
            margin-bottom: 12px;
            overflow: hidden;
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 24px;
            cursor: pointer;
            font-size: 15px;
            font-weight: 600;
            background: #fff;
            gap: 12px;
        }
        .faq-question .q-icon {
            width: 26px;
            height: 26px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }
        .faq-answer {
            padding: 0 24px 20px;
            border-top: 1.5px solid var(--color-primary-soft);
            font-size: 14px;
            color: #4B5A55;
            line-height: 1.85;
            display: none;
        }
        .faq-item.open .faq-answer {
            display: block;
            padding-top: 16px;
        }
        .faq-item.open .q-icon {
            transform: rotate(45deg);
        }
        /* Footer */
        .footer-section {
            background: var(--color-dark-footer);
            color: #aaa;
            padding: 54px 0 0;
            font-size: 13px;
        }
        .footer-section a {
            color: rgba(255, 255, 255, 0.65);
            transition: all 0.2s ease;
            line-height: 1.7;
        }
        .footer-section a:hover {
            color: #fff;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 20px 0;
            display: flex;
            justify-content: space-between;
            gap: 20px;
            flex-wrap: wrap;
            color: rgba(255, 255, 255, 0.5);
        }
        /* modal overlay */
        .modal-mask {
            position: fixed;
            inset: 0;
            z-index: 100;
            background: rgba(16, 27, 24, 0.6);
            backdrop-filter: blur(2px);
            -webkit-backdrop-filter: blur(2px);
            display: flex;
            align-items: center;
            justify-content: center;
            visibility: hidden;
            opacity: 0;
            transition: all 0.2s ease;
        }
        .modal-mask.open {
            visibility: visible;
            opacity: 1;
        }
        .contact-dialog {
            background: #fff;
            border-radius: 20px;
            max-width: 500px;
            width: 92%;
            padding: 32px;
            box-shadow: 0 40px 80px -40px rgba(0, 0, 0, 0.5);
            transform: translateY(10px);
            transition: all 0.25s ease;
        }
        .modal-mask.open .contact-dialog {
            transform: translateY(0);
        }
        .contact-dialog h3 {
            font-size: 22px;
            font-weight: 800;
            color: var(--color-ink);
            margin-bottom: 8px;
        }
        .contact-dialog .sub {
            font-size: 14px;
            color: var(--color-muted);
            margin-bottom: 22px;
        }
        .form-group-field {
            margin-bottom: 16px;
        }
        label.form-label {
            display: block;
            font-size: 13px;
            font-weight: 600;
            color: var(--color-ink);
            margin-bottom: 6px;
        }
        input.form-input,
        select.form-input {
            width: 100%;
            border: 1px solid var(--color-line);
            border-radius: 10px;
            height: 44px;
            padding: 0 16px;
            font-size: 14px;
            transition: all 0.2s ease;
            background: #FCFBF7;
            color: var(--color-ink);
        }
        input.form-input:focus,
        select.form-input:focus {
            outline: none;
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(224, 126, 43, 0.18);
            background: #fff;
        }
        .btn-dark {
            width: 100%;
            background: var(--color-primary);
            color: #fff;
            font-weight: 700;
            border: none;
            height: 48px;
            border-radius: 999px;
            font-size: 15px;
            transition: all 0.2s ease;
        }
        .btn-dark:hover {
            background: #0a4c3e;
        }
        .dialog-close {
            background: transparent;
            border: none;
            width: 30px;
            height: 30px;
            border-radius: 50%;
            position: absolute;
            transition: all 0.2s ease;
        }
        .dialog-close:hover {
            background: rgba(16, 27, 24, 0.05);
        }
        /* responsive extra */
        @media (max-width: 640px) {
            .btn-primary {
                padding: 8px 14px;
                font-size: 12px;
            }
        }