/* roulang page: index */
:root {
            --bg: #0c1020;
            --bg-soft: #12182c;
            --surface: rgba(21, 28, 49, .88);
            --surface-strong: #1a2340;
            --text: #f5f7ff;
            --muted: #a9b3ca;
            --line: rgba(255,255,255,.1);
            --primary: #a995ff;
            --primary-strong: #7863ed;
            --accent: #65e6c1;
            --warning: #ffd68a;
            --radius-lg: 28px;
            --radius-md: 18px;
            --radius-sm: 12px;
            --shadow: 0 24px 70px rgba(0,0,0,.28);
            --container: 1180px;
        }

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

        html { scroll-behavior: smooth; }

        body {
            margin: 0;
            color: var(--text);
            background:
                radial-gradient(circle at 15% 0%, rgba(120,99,237,.2), transparent 35%),
                radial-gradient(circle at 90% 15%, rgba(101,230,193,.12), transparent 28%),
                var(--bg);
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }

        img { display: block; max-width: 100%; }
        a { color: inherit; text-decoration: none; }
        button, input { font: inherit; }
        button { cursor: pointer; }

        .container {
            width: min(var(--container), calc(100% - 40px));
            margin: 0 auto;
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            border-bottom: 1px solid rgba(255,255,255,.08);
            background: rgba(12,16,32,.82);
            backdrop-filter: blur(18px);
        }

        .nav-wrap {
            min-height: 76px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 28px;
        }

        .brand {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            font-weight: 800;
            letter-spacing: -.02em;
            white-space: nowrap;
        }

        .brand-mark {
            width: 38px;
            height: 38px;
            display: grid;
            place-items: center;
            border-radius: 13px;
            color: #111529;
            background: linear-gradient(135deg, var(--accent), var(--primary));
            box-shadow: 0 8px 24px rgba(101,230,193,.18);
            font-weight: 900;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .nav-links a {
            padding: 10px 14px;
            border-radius: 10px;
            color: var(--muted);
            font-size: 14px;
            transition: .25s ease;
        }

        .nav-links a:hover,
        .nav-links a:focus-visible,
        .nav-links a.active {
            color: var(--text);
            background: rgba(169,149,255,.13);
            outline: none;
        }

        .nav-action {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 11px 16px;
            border: 1px solid rgba(101,230,193,.32);
            border-radius: 999px;
            color: var(--accent);
            font-size: 14px;
            transition: .25s ease;
        }

        .nav-action:hover {
            color: #0d1520;
            background: var(--accent);
        }

        .hero {
            position: relative;
            min-height: 650px;
            display: flex;
            align-items: center;
            overflow: hidden;
            background:
                linear-gradient(90deg, rgba(12,16,32,.96) 0%, rgba(12,16,32,.73) 45%, rgba(12,16,32,.5) 100%),
                url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
        }

        .hero::after {
            content: "";
            position: absolute;
            inset: auto 0 0;
            height: 160px;
            background: linear-gradient(transparent, var(--bg));
        }

        .hero-content {
            position: relative;
            z-index: 1;
            max-width: 760px;
            padding: 100px 0 120px;
        }

        .eyebrow,
        .section-kicker {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--accent);
            font-size: 13px;
            font-weight: 700;
            letter-spacing: .12em;
            text-transform: uppercase;
        }

        .eyebrow::before,
        .section-kicker::before {
            content: "";
            width: 28px;
            height: 1px;
            background: currentColor;
        }

        h1, h2, h3, p { margin-top: 0; }

        h1 {
            max-width: 760px;
            margin: 24px 0 22px;
            font-size: clamp(42px, 6vw, 76px);
            line-height: 1.08;
            letter-spacing: -.055em;
        }

        .hero-lead {
            max-width: 650px;
            margin-bottom: 32px;
            color: #d7dcef;
            font-size: clamp(17px, 2vw, 20px);
        }

        .button-row {
            display: flex;
            flex-wrap: wrap;
            gap: 13px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-height: 48px;
            padding: 0 20px;
            border: 1px solid transparent;
            border-radius: 13px;
            font-weight: 750;
            transition: transform .25s ease, box-shadow .25s ease, background .25s ease;
        }

        .btn:hover { transform: translateY(-2px); }
        .btn:focus-visible { outline: 3px solid rgba(101,230,193,.45); outline-offset: 3px; }

        .btn-primary {
            color: #101528;
            background: var(--accent);
            box-shadow: 0 12px 28px rgba(101,230,193,.18);
        }

        .btn-primary:hover { box-shadow: 0 16px 34px rgba(101,230,193,.28); }

        .btn-secondary {
            color: var(--text);
            border-color: rgba(255,255,255,.16);
            background: rgba(255,255,255,.06);
        }

        .btn-secondary:hover { background: rgba(255,255,255,.12); }

        .trust-line {
            display: flex;
            flex-wrap: wrap;
            gap: 18px;
            margin-top: 34px;
            color: var(--muted);
            font-size: 13px;
        }

        .trust-line span {
            display: inline-flex;
            align-items: center;
            gap: 7px;
        }

        .trust-line span::before {
            content: "✓";
            color: var(--accent);
            font-weight: 900;
        }

        .section { padding: 92px 0; }
        .section-soft { background: rgba(255,255,255,.025); }

        .section-heading {
            display: flex;
            align-items: end;
            justify-content: space-between;
            gap: 30px;
            margin-bottom: 34px;
        }

        .section-heading h2 {
            margin: 12px 0 0;
            font-size: clamp(30px, 4vw, 48px);
            line-height: 1.15;
            letter-spacing: -.04em;
        }

        .section-heading p {
            max-width: 500px;
            margin-bottom: 0;
            color: var(--muted);
        }

        .feature-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 18px;
        }

        .feature-card {
            min-height: 240px;
            padding: 28px;
            border: 1px solid var(--line);
            border-radius: var(--radius-md);
            background: var(--surface);
            box-shadow: var(--shadow);
            transition: transform .25s ease, border-color .25s ease;
        }

        .feature-card:hover {
            transform: translateY(-5px);
            border-color: rgba(169,149,255,.45);
        }

        .icon-box {
            width: 48px;
            height: 48px;
            display: grid;
            place-items: center;
            margin-bottom: 22px;
            border-radius: 15px;
            color: #111529;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            font-weight: 900;
            font-size: 20px;
        }

        .feature-card h3 { margin-bottom: 10px; font-size: 21px; }
        .feature-card p { margin-bottom: 0; color: var(--muted); font-size: 15px; }

        .category-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 14px;
        }

        .category-card {
            position: relative;
            min-height: 210px;
            display: flex;
            align-items: end;
            overflow: hidden;
            border: 1px solid var(--line);
            border-radius: var(--radius-md);
            isolation: isolate;
            background: var(--surface-strong);
        }

        .category-card img {
            position: absolute;
            inset: 0;
            z-index: -2;
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: .72;
            transition: transform .45s ease, opacity .45s ease;
        }

        .category-card::after {
            content: "";
            position: absolute;
            inset: 35% 0 0;
            z-index: -1;
            background: linear-gradient(transparent, rgba(8,11,24,.95));
        }

        .category-card:hover img {
            transform: scale(1.07);
            opacity: .9;
        }

        .category-content { padding: 20px; }
        .category-content h3 { margin: 0 0 5px; font-size: 18px; }
        .category-content p { margin: 0; color: #c2c9dc; font-size: 13px; }

        .insight-layout {
            display: grid;
            grid-template-columns: 1.05fr .95fr;
            gap: 44px;
            align-items: center;
        }

        .insight-image {
            overflow: hidden;
            min-height: 400px;
            border-radius: var(--radius-lg);
            border: 1px solid var(--line);
            box-shadow: var(--shadow);
        }

        .insight-image img {
            width: 100%;
            height: 100%;
            min-height: 400px;
            object-fit: cover;
        }

        .insight-copy h2 {
            margin: 13px 0 18px;
            font-size: clamp(30px, 4vw, 48px);
            line-height: 1.15;
            letter-spacing: -.04em;
        }

        .insight-copy > p { color: var(--muted); }

        .check-list {
            display: grid;
            gap: 15px;
            padding: 0;
            margin: 28px 0 0;
            list-style: none;
        }

        .check-list li {
            display: flex;
            gap: 12px;
            color: #dfe4f4;
        }

        .check-list li::before {
            content: "→";
            flex: 0 0 27px;
            display: grid;
            place-items: center;
            height: 27px;
            border-radius: 50%;
            color: var(--accent);
            background: rgba(101,230,193,.1);
        }

        .updates {
            display: grid;
            gap: 13px;
        }

        .update-item {
            display: grid;
            grid-template-columns: 90px 1fr auto;
            align-items: center;
            gap: 20px;
            padding: 18px 20px;
            border: 1px solid var(--line);
            border-radius: 15px;
            background: rgba(255,255,255,.035);
            transition: .25s ease;
        }

        .update-item:hover {
            background: rgba(169,149,255,.09);
            border-color: rgba(169,149,255,.35);
        }

        .update-date {
            color: var(--accent);
            font-size: 13px;
            font-weight: 700;
        }

        .update-title { margin: 0; font-size: 16px; }
        .update-summary { margin: 3px 0 0; color: var(--muted); font-size: 13px; }
        .update-link { color: var(--primary); font-size: 13px; font-weight: 700; }

        .empty-state {
            padding: 28px;
            border: 1px dashed rgba(255,255,255,.18);
            border-radius: var(--radius-md);
            color: var(--muted);
            text-align: center;
        }

        .faq-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 14px;
        }

        details {
            border: 1px solid var(--line);
            border-radius: 15px;
            background: rgba(255,255,255,.035);
            transition: .25s ease;
        }

        details[open] { border-color: rgba(101,230,193,.35); }
        summary {
            padding: 20px 22px;
            cursor: pointer;
            font-weight: 700;
            list-style: none;
        }

        summary::-webkit-details-marker { display: none; }
        summary::after {
            content: "+";
            float: right;
            color: var(--accent);
            font-size: 22px;
            line-height: 1;
        }

        details[open] summary::after { content: "−"; }
        details p { padding: 0 22px 21px; margin: 0; color: var(--muted); font-size: 14px; }

        .cta {
            position: relative;
            overflow: hidden;
            padding: 58px;
            border: 1px solid rgba(169,149,255,.25);
            border-radius: var(--radius-lg);
            background:
                linear-gradient(120deg, rgba(120,99,237,.32), rgba(101,230,193,.11)),
                var(--surface);
        }

        .cta::before {
            content: "";
            position: absolute;
            width: 260px;
            height: 260px;
            top: -130px;
            right: 8%;
            border-radius: 50%;
            background: rgba(101,230,193,.16);
            filter: blur(10px);
        }

        .cta-content { position: relative; max-width: 700px; }
        .cta h2 { margin: 12px 0 14px; font-size: clamp(30px, 4vw, 48px); line-height: 1.15; }
        .cta p { margin-bottom: 24px; color: #d1d8ea; }

        .site-footer {
            padding: 40px 0 28px;
            border-top: 1px solid var(--line);
            background: rgba(3,6,16,.45);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.2fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 30px;
        }

        .footer-brand p {
            max-width: 360px;
            margin: 16px 0 0;
            color: var(--muted);
            font-size: 14px;
        }

        .footer-title { margin-bottom: 13px; font-size: 14px; color: var(--text); }
        .footer-links { display: grid; gap: 8px; }
        .footer-links a { color: var(--muted); font-size: 14px; transition: .2s ease; }
        .footer-links a:hover { color: var(--accent); }

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            gap: 20px;
            padding-top: 22px;
            border-top: 1px solid var(--line);
            color: #7f8aa5;
            font-size: 12px;
        }

        .age-note {
            color: var(--warning);
        }

        @media (max-width: 1024px) {
            .category-grid { grid-template-columns: repeat(3, 1fr); }
            .category-card { min-height: 190px; }
        }

        @media (max-width: 768px) {
            .container { width: min(var(--container), calc(100% - 28px)); }
            .nav-wrap { min-height: 68px; }
            .nav-links { display: none; }
            .nav-action { padding: 9px 12px; font-size: 12px; }
            .hero { min-height: 610px; }
            .hero-content { padding: 86px 0 110px; }
            .section { padding: 68px 0; }
            .section-heading { display: block; }
            .section-heading p { margin-top: 15px; }
            .feature-grid,
            .faq-grid,
            .insight-layout { grid-template-columns: 1fr; }
            .category-grid { grid-template-columns: repeat(2, 1fr); }
            .insight-image,
            .insight-image img { min-height: 300px; }
            .footer-grid { grid-template-columns: 1fr 1fr; }
            .footer-brand { grid-column: 1 / -1; }
        }

        @media (max-width: 520px) {
            h1 { font-size: 42px; }
            .button-row .btn { width: 100%; }
            .category-grid { grid-template-columns: 1fr; }
            .category-card { min-height: 180px; }
            .update-item { grid-template-columns: 1fr; gap: 6px; }
            .update-link { justify-self: start; margin-top: 6px; }
            .cta { padding: 34px 24px; }
            .footer-grid { grid-template-columns: 1fr; }
            .footer-brand { grid-column: auto; }
            .footer-bottom { display: block; }
            .footer-bottom span { display: block; margin-top: 8px; }
        }

/* roulang page: category2 */
:root {
            --bg: #0d111b;
            --surface: #151b29;
            --surface-2: #1c2435;
            --surface-3: #222d41;
            --text: #f5f7fb;
            --muted: #a9b3c5;
            --subtle: #7f8ca3;
            --line: rgba(255,255,255,.1);
            --primary: #e7a66c;
            --primary-strong: #f4be85;
            --accent: #83b5c9;
            --success: #86c7a1;
            --danger: #ef9a91;
            --radius-sm: 10px;
            --radius-md: 18px;
            --radius-lg: 28px;
            --shadow: 0 22px 60px rgba(0,0,0,.24);
            --container: 1180px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            min-width: 320px;
            color: var(--text);
            background:
                radial-gradient(circle at 80% 0%, rgba(131,181,201,.12), transparent 32rem),
                var(--bg);
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
            line-height: 1.75;
            letter-spacing: .01em;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color .25s ease, background .25s ease, border-color .25s ease, transform .25s ease, box-shadow .25s ease;
        }

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

        button, input {
            font: inherit;
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 3px solid rgba(244,190,133,.55);
            outline-offset: 3px;
        }

        .container {
            width: min(calc(100% - 40px), var(--container));
            margin: 0 auto;
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 20;
            border-bottom: 1px solid var(--line);
            background: rgba(13,17,27,.88);
            backdrop-filter: blur(18px);
        }

        .nav-wrap {
            min-height: 76px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
        }

        .brand {
            display: inline-flex;
            align-items: center;
            gap: 11px;
            color: var(--text);
            font-size: 18px;
            font-weight: 800;
            white-space: nowrap;
        }

        .brand-mark {
            width: 34px;
            height: 34px;
            display: grid;
            place-items: center;
            border-radius: 11px;
            color: #211a15;
            background: linear-gradient(135deg, var(--primary-strong), var(--primary));
            box-shadow: 0 8px 20px rgba(231,166,108,.22);
        }

        .nav-links {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 5px;
            flex: 1;
        }

        .nav-links a {
            padding: 9px 13px;
            border-radius: 9px;
            color: var(--muted);
            font-size: 14px;
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: var(--text);
            background: rgba(255,255,255,.08);
        }

        .nav-links a.active {
            box-shadow: inset 0 -2px 0 var(--primary);
        }

        .nav-action {
            padding: 10px 15px;
            border: 1px solid rgba(231,166,108,.4);
            border-radius: 999px;
            color: var(--primary-strong);
            font-size: 13px;
            white-space: nowrap;
        }

        .nav-action:hover {
            color: #241b14;
            background: var(--primary-strong);
            transform: translateY(-2px);
        }

        .inner-hero {
            position: relative;
            min-height: 420px;
            display: flex;
            align-items: center;
            overflow: hidden;
            background:
                linear-gradient(90deg, rgba(13,17,27,.95) 8%, rgba(13,17,27,.72) 52%, rgba(13,17,27,.46)),
                url("/assets/images/backpic/back-2.webp") center/cover;
        }

        .inner-hero::after {
            content: "";
            position: absolute;
            inset: auto 0 0;
            height: 120px;
            background: linear-gradient(transparent, var(--bg));
        }

        .hero-content {
            position: relative;
            z-index: 1;
            max-width: 760px;
            padding: 86px 0 100px;
        }

        .eyebrow,
        .section-kicker {
            display: inline-flex;
            align-items: center;
            gap: 9px;
            color: var(--primary-strong);
            font-size: 13px;
            font-weight: 800;
            letter-spacing: .12em;
            text-transform: uppercase;
        }

        .eyebrow::before,
        .section-kicker::before {
            content: "";
            width: 28px;
            height: 1px;
            background: var(--primary);
        }

        h1 {
            max-width: 740px;
            margin: 18px 0;
            font-size: clamp(38px, 6vw, 70px);
            line-height: 1.12;
            letter-spacing: -.045em;
        }

        .hero-content p {
            max-width: 680px;
            color: #d0d7e4;
            font-size: 18px;
        }

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

        .button {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-height: 46px;
            padding: 0 20px;
            border: 1px solid transparent;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 750;
            cursor: pointer;
        }

        .button-primary {
            color: #241b14;
            background: var(--primary-strong);
            box-shadow: 0 12px 24px rgba(231,166,108,.16);
        }

        .button-primary:hover {
            background: #ffd09e;
            transform: translateY(-2px);
            box-shadow: 0 15px 30px rgba(231,166,108,.24);
        }

        .button-ghost {
            border-color: var(--line);
            color: var(--text);
            background: rgba(255,255,255,.04);
        }

        .button-ghost:hover {
            border-color: rgba(231,166,108,.5);
            background: rgba(255,255,255,.09);
            transform: translateY(-2px);
        }

        .section {
            padding: 92px 0;
        }

        .section-head {
            max-width: 700px;
            margin-bottom: 34px;
        }

        .section-title {
            margin: 12px 0;
            font-size: clamp(28px, 4vw, 44px);
            line-height: 1.2;
            letter-spacing: -.035em;
        }

        .section-intro {
            color: var(--muted);
            font-size: 16px;
        }

        .risk-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 18px;
        }

        .info-card {
            min-height: 230px;
            padding: 27px;
            border: 1px solid var(--line);
            border-radius: var(--radius-md);
            background: linear-gradient(145deg, rgba(255,255,255,.06), rgba(255,255,255,.025));
            box-shadow: 0 12px 30px rgba(0,0,0,.1);
            transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease;
        }

        .info-card:hover {
            transform: translateY(-6px);
            border-color: rgba(231,166,108,.42);
            box-shadow: var(--shadow);
        }

        .icon {
            width: 43px;
            height: 43px;
            display: grid;
            place-items: center;
            margin-bottom: 22px;
            border-radius: 13px;
            color: #1d2926;
            background: var(--success);
            font-weight: 900;
        }

        .info-card:nth-child(2) .icon {
            color: #1d2229;
            background: var(--accent);
        }

        .info-card:nth-child(3) .icon {
            color: #302015;
            background: var(--primary-strong);
        }

        .info-card h3 {
            margin-bottom: 9px;
            font-size: 20px;
        }

        .info-card p {
            color: var(--muted);
            font-size: 14px;
        }

        .feature-band {
            padding: 30px;
            border: 1px solid rgba(131,181,201,.22);
            border-radius: var(--radius-lg);
            background:
                linear-gradient(120deg, rgba(131,181,201,.13), rgba(231,166,108,.08)),
                var(--surface);
        }

        .feature-layout {
            display: grid;
            grid-template-columns: .9fr 1.1fr;
            align-items: center;
            gap: 50px;
        }

        .feature-image {
            position: relative;
            min-height: 330px;
            overflow: hidden;
            border-radius: 20px;
        }

        .feature-image img {
            width: 100%;
            height: 100%;
            min-height: 330px;
            object-fit: cover;
        }

        .feature-image::after {
            content: "成年用户安全提示";
            position: absolute;
            left: 18px;
            bottom: 18px;
            padding: 7px 11px;
            border: 1px solid rgba(255,255,255,.18);
            border-radius: 999px;
            color: #fff;
            background: rgba(13,17,27,.7);
            font-size: 12px;
        }

        .feature-copy h2 {
            margin: 12px 0 17px;
            font-size: clamp(27px, 4vw, 42px);
            line-height: 1.25;
        }

        .feature-copy p {
            color: var(--muted);
        }

        .check-list {
            display: grid;
            gap: 13px;
            margin: 24px 0 28px;
            list-style: none;
        }

        .check-list li {
            position: relative;
            padding-left: 29px;
            color: #dce2eb;
        }

        .check-list li::before {
            content: "✓";
            position: absolute;
            left: 0;
            top: 1px;
            color: var(--success);
            font-weight: 900;
        }

        .steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 14px;
        }

        .step {
            padding: 24px 20px;
            border-top: 2px solid var(--surface-3);
            background: rgba(255,255,255,.025);
        }

        .step:hover {
            border-color: var(--primary);
            background: rgba(255,255,255,.06);
        }

        .step-number {
            display: block;
            margin-bottom: 25px;
            color: var(--primary);
            font-size: 30px;
            font-weight: 800;
            line-height: 1;
        }

        .step h3 {
            margin-bottom: 8px;
            font-size: 17px;
        }

        .step p {
            color: var(--muted);
            font-size: 13px;
        }

        .faq-list {
            display: grid;
            gap: 12px;
            max-width: 900px;
        }

        details {
            padding: 20px 24px;
            border: 1px solid var(--line);
            border-radius: 14px;
            background: var(--surface);
        }

        details[open] {
            border-color: rgba(231,166,108,.42);
        }

        summary {
            position: relative;
            padding-right: 28px;
            color: var(--text);
            font-weight: 750;
            cursor: pointer;
            list-style: none;
        }

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

        summary::after {
            content: "+";
            position: absolute;
            right: 0;
            color: var(--primary);
            font-size: 22px;
            font-weight: 400;
            line-height: 1;
        }

        details[open] summary::after {
            content: "−";
        }

        details p {
            max-width: 780px;
            padding-top: 13px;
            color: var(--muted);
            font-size: 14px;
        }

        .cta {
            position: relative;
            overflow: hidden;
            padding: 60px;
            border-radius: var(--radius-lg);
            background:
                linear-gradient(110deg, rgba(231,166,108,.2), rgba(131,181,201,.14)),
                var(--surface);
            border: 1px solid rgba(231,166,108,.22);
        }

        .cta::before {
            content: "";
            position: absolute;
            width: 260px;
            height: 260px;
            right: -80px;
            top: -100px;
            border: 1px solid rgba(255,255,255,.12);
            border-radius: 50%;
            box-shadow: 0 0 0 28px rgba(255,255,255,.025), 0 0 0 56px rgba(255,255,255,.02);
        }

        .cta-content {
            position: relative;
            z-index: 1;
            max-width: 720px;
        }

        .cta h2 {
            margin: 10px 0 12px;
            font-size: clamp(28px, 4vw, 43px);
            line-height: 1.2;
        }

        .cta p {
            color: var(--muted);
            margin-bottom: 25px;
        }

        .site-footer {
            padding: 62px 0 25px;
            border-top: 1px solid var(--line);
            background: #0a0e16;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 55px;
            padding-bottom: 45px;
        }

        .footer-brand p {
            max-width: 390px;
            margin-top: 18px;
            color: var(--subtle);
            font-size: 14px;
        }

        .footer-title {
            margin-bottom: 15px;
            color: var(--text);
            font-size: 14px;
            font-weight: 800;
        }

        .footer-links {
            display: grid;
            gap: 9px;
        }

        .footer-links a {
            color: var(--subtle);
            font-size: 14px;
        }

        .footer-links a:hover {
            color: var(--primary-strong);
            transform: translateX(3px);
        }

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            gap: 20px;
            padding-top: 22px;
            border-top: 1px solid var(--line);
            color: var(--subtle);
            font-size: 12px;
        }

        .age-note {
            color: var(--primary);
        }

        @media (max-width: 1024px) {
            .nav-links {
                gap: 0;
            }

            .nav-links a {
                padding-inline: 9px;
                font-size: 13px;
            }

            .feature-layout {
                gap: 30px;
            }
        }

        @media (max-width: 768px) {
            .nav-wrap {
                min-height: 68px;
                flex-wrap: wrap;
                padding: 12px 0;
            }

            .nav-links {
                order: 3;
                width: 100%;
                justify-content: flex-start;
                overflow-x: auto;
                padding-bottom: 3px;
            }

            .nav-links a {
                flex: 0 0 auto;
            }

            .nav-action {
                margin-left: auto;
            }

            .inner-hero {
                min-height: 470px;
            }

            .hero-content {
                padding: 70px 0 90px;
            }

            .risk-grid,
            .feature-layout {
                grid-template-columns: 1fr;
            }

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

            .feature-image {
                min-height: 260px;
            }

            .feature-image img {
                min-height: 260px;
            }

            .cta {
                padding: 42px 28px;
            }

            .footer-grid {
                grid-template-columns: 1.3fr 1fr 1fr;
                gap: 24px;
            }
        }

        @media (max-width: 520px) {
            .container {
                width: min(calc(100% - 28px), var(--container));
            }

            .brand {
                font-size: 16px;
            }

            .brand-mark {
                width: 31px;
                height: 31px;
            }

            .nav-action {
                padding: 8px 11px;
                font-size: 12px;
            }

            h1 {
                font-size: 40px;
            }

            .hero-content p {
                font-size: 16px;
            }

            .section {
                padding: 64px 0;
            }

            .info-card,
            .feature-band {
                padding: 22px;
            }

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

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

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

            .footer-bottom {
                flex-direction: column;
                gap: 8px;
            }
        }

/* roulang page: category4 */
:root{
            --ink:#f7f5f2;
            --muted:#b7b4bd;
            --soft:#8f8b98;
            --bg:#111117;
            --panel:#1b1a23;
            --panel-2:#23222d;
            --line:rgba(255,255,255,.1);
            --accent:#e49a72;
            --accent-2:#d87590;
            --green:#8fc3a8;
            --shadow:0 22px 70px rgba(0,0,0,.3);
            --radius:22px;
            --container:1180px;
        }
        *{box-sizing:border-box;margin:0;padding:0}
        html{scroll-behavior:smooth}
        body{
            min-width:320px;
            background:var(--bg);
            color:var(--ink);
            font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
            line-height:1.75;
            font-size:16px;
            -webkit-font-smoothing:antialiased;
        }
        a{color:inherit;text-decoration:none}
        img{display:block;max-width:100%;height:auto}
        button,input{font:inherit}
        button{cursor:pointer}
        :focus-visible{outline:3px solid rgba(228,154,114,.65);outline-offset:4px}
        .container{width:min(var(--container),calc(100% - 48px));margin-inline:auto}
        .site-header{
            position:sticky;top:0;z-index:20;
            background:rgba(17,17,23,.84);
            border-bottom:1px solid var(--line);
            backdrop-filter:blur(18px);
        }
        .nav-wrap{min-height:76px;display:flex;align-items:center;gap:26px}
        .brand{display:inline-flex;align-items:center;gap:11px;font-weight:800;letter-spacing:.02em;white-space:nowrap}
        .brand-mark{
            width:36px;height:36px;border-radius:12px;display:grid;place-items:center;
            color:#211a1a;background:linear-gradient(135deg,var(--accent),#f0c8a3);
            box-shadow:0 8px 25px rgba(228,154,114,.22);font-weight:900
        }
        .nav-links{display:flex;align-items:center;gap:7px;margin-left:auto}
        .nav-links a{
            color:var(--muted);padding:9px 13px;border-radius:10px;font-size:14px;
            transition:.25s ease;
        }
        .nav-links a:hover,.nav-links a.active{color:var(--ink);background:rgba(255,255,255,.08)}
        .nav-links a.active{box-shadow:inset 0 -2px var(--accent)}
        .nav-action{
            padding:10px 16px;border:1px solid rgba(228,154,114,.4);border-radius:999px;
            color:#f5d7c7;font-size:13px;transition:.25s ease
        }
        .nav-action:hover{background:var(--accent);color:#211a1a;transform:translateY(-2px)}
        .hero{
            position:relative;isolation:isolate;min-height:500px;display:flex;align-items:center;
            overflow:hidden;background:
            linear-gradient(90deg,rgba(17,17,23,.96) 12%,rgba(17,17,23,.72) 55%,rgba(17,17,23,.45)),
            url("/assets/images/backpic/back-2.webp") center/cover;
        }
        .hero:after{content:"";position:absolute;inset:auto 0 0;height:150px;background:linear-gradient(transparent,var(--bg));z-index:-1}
        .hero-content{max-width:780px;padding:82px 0 92px}
        .eyebrow,.tag{
            display:inline-flex;align-items:center;gap:8px;color:#f1c8b4;text-transform:uppercase;
            font-size:12px;letter-spacing:.14em;font-weight:700
        }
        .eyebrow:before{content:"";width:28px;height:1px;background:var(--accent)}
        h1{font-size:clamp(38px,6vw,72px);line-height:1.12;letter-spacing:-.045em;margin:20px 0 22px;max-width:780px}
        .hero p{max-width:670px;color:#d0cbd0;font-size:18px}
        .hero-actions{display:flex;flex-wrap:wrap;gap:13px;margin-top:31px}
        .btn{
            display:inline-flex;align-items:center;justify-content:center;gap:9px;
            min-height:47px;padding:0 20px;border-radius:13px;border:1px solid transparent;
            font-weight:700;font-size:14px;transition:.25s ease
        }
        .btn-primary{background:var(--accent);color:#241a18;box-shadow:0 12px 30px rgba(228,154,114,.2)}
        .btn-primary:hover{background:#f0b18d;transform:translateY(-2px);box-shadow:0 15px 35px rgba(228,154,114,.3)}
        .btn-ghost{border-color:var(--line);color:var(--ink);background:rgba(255,255,255,.04)}
        .btn-ghost:hover{border-color:var(--accent);background:rgba(228,154,114,.1);transform:translateY(-2px)}
        .section{padding:92px 0}
        .section-head{display:flex;align-items:end;justify-content:space-between;gap:25px;margin-bottom:32px}
        .section-kicker{color:var(--accent);font-size:13px;font-weight:800;letter-spacing:.12em}
        h2{font-size:clamp(28px,4vw,43px);line-height:1.2;letter-spacing:-.03em;margin-top:8px}
        .section-intro{max-width:540px;color:var(--muted)}
        .grid{display:grid;gap:18px}
        .feature-grid{grid-template-columns:repeat(3,1fr)}
        .card{
            background:linear-gradient(145deg,rgba(35,34,45,.94),rgba(25,24,32,.94));
            border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
            box-shadow:0 12px 35px rgba(0,0,0,.12);transition:.3s ease
        }
        .card:hover{transform:translateY(-6px);border-color:rgba(228,154,114,.45);box-shadow:var(--shadow)}
        .card-media{height:190px;position:relative;overflow:hidden}
        .card-media img{width:100%;height:100%;object-fit:cover;transition:.45s ease;filter:saturate(.85)}
        .card:hover .card-media img{transform:scale(1.06);filter:saturate(1)}
        .card-media:after{content:"";position:absolute;inset:0;background:linear-gradient(transparent 45%,rgba(17,17,23,.72))}
        .card-body{padding:23px}
        .card h3{font-size:20px;margin:7px 0 9px}
        .card p{color:var(--muted);font-size:14px}
        .icon{
            width:42px;height:42px;display:grid;place-items:center;border-radius:13px;
            background:rgba(228,154,114,.12);color:var(--accent);font-weight:800;font-size:18px
        }
        .split{display:grid;grid-template-columns:1.02fr .98fr;gap:54px;align-items:center}
        .photo-card{position:relative;border-radius:28px;overflow:hidden;min-height:440px;box-shadow:var(--shadow)}
        .photo-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
        .photo-card:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(17,17,23,.88),transparent 65%)}
        .photo-caption{position:absolute;z-index:1;left:28px;right:28px;bottom:26px}
        .photo-caption strong{font-size:22px;display:block;margin-top:7px}
        .check-list{list-style:none;margin:25px 0 0;display:grid;gap:15px}
        .check-list li{position:relative;padding-left:34px;color:var(--muted)}
        .check-list li:before{
            content:"✓";position:absolute;left:0;top:2px;width:22px;height:22px;
            border-radius:50%;display:grid;place-items:center;background:rgba(143,195,168,.16);
            color:var(--green);font-size:13px;font-weight:800
        }
        .note{margin-top:24px;padding:17px 19px;border:1px solid rgba(143,195,168,.2);background:rgba(143,195,168,.07);border-radius:15px;color:#c5d8cc;font-size:14px}
        .steps{grid-template-columns:repeat(4,1fr)}
        .step{padding:24px;border-top:2px solid var(--accent);background:var(--panel);border-radius:0 0 18px 18px}
        .step-no{color:var(--accent);font-size:13px;font-weight:800;letter-spacing:.12em}
        .step h3{font-size:18px;margin:12px 0 8px}.step p{font-size:14px;color:var(--muted)}
        .faq-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
        details{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:18px 20px;transition:.25s}
        details:hover{border-color:rgba(228,154,114,.38)}
        summary{cursor:pointer;list-style:none;font-weight:700;padding-right:25px;position:relative}
        summary::-webkit-details-marker{display:none}
        summary:after{content:"＋";position:absolute;right:0;color:var(--accent);font-size:20px}
        details[open] summary:after{content:"−"}
        details p{color:var(--muted);font-size:14px;margin-top:12px;padding-top:12px;border-top:1px solid var(--line)}
        .cta{
            padding:52px;border-radius:28px;display:flex;align-items:center;justify-content:space-between;gap:30px;
            background:linear-gradient(120deg,#30252a,#211e2a);border:1px solid rgba(228,154,114,.25)
        }
        .cta h2{font-size:32px}.cta p{color:var(--muted);margin-top:8px;max-width:650px}
        .site-footer{padding:58px 0 24px;border-top:1px solid var(--line);background:#0e0e13}
        .footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:45px;padding-bottom:46px}
        .footer-brand p{color:var(--muted);font-size:14px;max-width:410px;margin-top:17px}
        .footer-title{font-size:14px;font-weight:800;margin-bottom:15px;color:#eee}
        .footer-links{display:grid;gap:9px}.footer-links a{color:var(--muted);font-size:14px;transition:.2s}
        .footer-links a:hover{color:var(--accent);padding-left:4px}
        .footer-bottom{border-top:1px solid var(--line);padding-top:21px;display:flex;justify-content:space-between;gap:15px;color:var(--soft);font-size:12px}
        .age-note{color:#d0aa98}
        @media(max-width:1024px){
            .nav-links{gap:1px}.nav-links a{padding:8px 9px;font-size:13px}
            .feature-grid{grid-template-columns:repeat(2,1fr)}.steps{grid-template-columns:repeat(2,1fr)}
        }
        @media(max-width:768px){
            .container{width:min(var(--container),calc(100% - 34px))}
            .nav-wrap{min-height:68px;flex-wrap:wrap;padding:12px 0;gap:13px}
            .nav-links{order:3;width:100%;overflow-x:auto;justify-content:flex-start;padding-bottom:2px}
            .nav-links a{white-space:nowrap}.nav-action{margin-left:auto}
            .hero{min-height:530px}.hero-content{padding:70px 0 84px}
            .section{padding:68px 0}.section-head{display:block}.section-intro{margin-top:13px}
            .split{grid-template-columns:1fr;gap:30px}.photo-card{min-height:330px}
            .faq-grid{grid-template-columns:1fr}.cta{display:block;padding:34px 25px}.cta .btn{margin-top:22px}
            .footer-grid{grid-template-columns:1fr 1fr;gap:25px}
        }
        @media(max-width:520px){
            body{font-size:15px}
            .container{width:calc(100% - 28px)}
            .brand{font-size:14px}.brand-mark{width:32px;height:32px;border-radius:10px}
            .nav-action{font-size:12px;padding:8px 11px}
            h1{font-size:39px}.hero p{font-size:16px}
            .hero-actions,.hero-actions .btn{width:100%}
            .hero-actions .btn{min-height:49px}
            .feature-grid,.steps{grid-template-columns:1fr}
            .card-media{height:175px}
            .section{padding:55px 0}
            .photo-card{min-height:280px}.photo-caption{left:20px;right:20px;bottom:20px}
            .cta h2{font-size:27px}
            .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px}
            .footer-bottom{display:block;line-height:2}
            .age-note{display:block;margin-top:6px}
        }

/* roulang page: article */
:root{
            --ink:#17212f;
            --muted:#697586;
            --soft:#f6f8fb;
            --paper:#ffffff;
            --line:#e5eaf0;
            --brand:#813f5a;
            --brand-deep:#5d263d;
            --accent:#e7a84f;
            --accent-soft:#fff3de;
            --success:#2f866d;
            --shadow:0 18px 42px rgba(26,37,51,.10);
            --shadow-sm:0 8px 22px rgba(26,37,51,.07);
            --radius:18px;
            --radius-sm:12px;
            --container:1180px;
        }
        *{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{
            margin:0;
            color:var(--ink);
            background:var(--soft);
            font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
            font-size:16px;
            line-height:1.75;
            -webkit-font-smoothing:antialiased;
        }
        a{color:inherit;text-decoration:none;transition:color .2s ease,background .2s ease,border-color .2s ease,transform .2s ease}
        img{display:block;max-width:100%}
        button,input{font:inherit}
        button{cursor:pointer}
        :focus-visible{outline:3px solid rgba(231,168,79,.55);outline-offset:3px}
        .container{width:min(calc(100% - 48px),var(--container));margin:0 auto}
        .site-header{
            position:sticky;top:0;z-index:50;
            background:rgba(255,255,255,.92);
            border-bottom:1px solid rgba(229,234,240,.92);
            backdrop-filter:blur(16px);
        }
        .nav-wrap{min-height:76px;display:flex;align-items:center;gap:25px}
        .brand{display:inline-flex;align-items:center;gap:10px;white-space:nowrap;font-weight:800;font-size:18px;letter-spacing:.02em;color:var(--ink)}
        .brand:hover{color:var(--brand)}
        .brand-mark{
            width:34px;height:34px;display:grid;place-items:center;
            border-radius:11px;background:var(--brand);color:#fff;
            font-size:17px;line-height:1;box-shadow:0 6px 16px rgba(129,63,90,.22);
        }
        .nav-links{display:flex;align-items:center;justify-content:center;gap:4px;flex:1}
        .nav-links a{
            padding:9px 11px;border-radius:9px;color:#4c5765;
            font-size:14px;font-weight:650;white-space:nowrap;
        }
        .nav-links a:hover,.nav-links a.active{background:#f8edf1;color:var(--brand)}
        .nav-action{
            padding:9px 13px;border:1px solid #ecd6df;border-radius:10px;
            color:var(--brand);font-size:13px;font-weight:750;white-space:nowrap;
        }
        .nav-action:hover{background:var(--brand);border-color:var(--brand);color:#fff}
        .article-banner{
            position:relative;overflow:hidden;isolation:isolate;
            min-height:344px;display:flex;align-items:flex-end;
            padding:66px 0 54px;color:#fff;
            background:#202f42 url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
        }
        .article-banner:before{
            content:"";position:absolute;inset:0;z-index:-1;
            background:linear-gradient(90deg,rgba(21,27,38,.91),rgba(21,27,38,.73) 56%,rgba(21,27,38,.45));
        }
        .breadcrumb{display:flex;align-items:center;gap:9px;flex-wrap:wrap;color:rgba(255,255,255,.75);font-size:14px}
        .breadcrumb a:hover{color:#fff}
        .breadcrumb i{font-style:normal;color:rgba(255,255,255,.42)}
        .article-banner h1{
            max-width:900px;margin:18px 0 16px;color:#fff;
            font-size:clamp(30px,4.2vw,52px);line-height:1.22;letter-spacing:-.035em;
        }
        .article-intro{max-width:760px;margin:0;color:rgba(255,255,255,.84);font-size:17px;line-height:1.85}
        .meta-row{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-top:24px;font-size:14px;color:rgba(255,255,255,.79)}
        .meta-pill{padding:5px 10px;border:1px solid rgba(255,255,255,.24);border-radius:999px;background:rgba(255,255,255,.09)}
        .main-area{padding:54px 0 78px}
        .article-layout{display:grid;grid-template-columns:minmax(0,1fr) 292px;gap:34px;align-items:start}
        .article-panel{
            overflow:hidden;background:var(--paper);border:1px solid var(--line);
            border-radius:var(--radius);box-shadow:var(--shadow-sm);
        }
        .article-cover{height:310px;overflow:hidden;background:#e8edf2}
        .article-cover img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
        .article-panel:hover .article-cover img{transform:scale(1.03)}
        .article-content{padding:42px 48px 48px}
        .article-content>*:first-child{margin-top:0}
        .article-content h2,.article-content h3{color:#1d2734;line-height:1.35;letter-spacing:-.018em}
        .article-content h2{margin:42px 0 16px;font-size:27px}
        .article-content h3{margin:30px 0 12px;font-size:21px}
        .article-content p{margin:0 0 20px;color:#374454}
        .article-content ul,.article-content ol{margin:0 0 24px;padding-left:1.35em;color:#374454}
        .article-content li{padding-left:5px;margin:8px 0}
        .article-content blockquote{
            margin:28px 0;padding:18px 22px;border-left:4px solid var(--accent);
            border-radius:0 var(--radius-sm) var(--radius-sm) 0;background:var(--accent-soft);
            color:#735124;font-weight:650;
        }
        .article-content a{color:var(--brand);font-weight:700;text-decoration:underline;text-underline-offset:3px}
        .article-content img{margin:28px auto;border-radius:14px;box-shadow:var(--shadow-sm)}
        .article-content table{display:block;width:100%;overflow-x:auto;border-collapse:collapse;margin:24px 0}
        .article-content th,.article-content td{padding:11px 14px;border:1px solid var(--line);text-align:left}
        .article-content th{background:#f8fafc}
        .missing-content{text-align:center;padding:46px 22px}
        .missing-icon{width:52px;height:52px;display:grid;place-items:center;margin:0 auto 14px;border-radius:50%;background:#f8edf1;color:var(--brand);font-size:24px}
        .missing-content h2{margin:0 0 8px;font-size:24px}
        .missing-content p{margin:0 0 21px;color:var(--muted)}
        .button{
            display:inline-flex;align-items:center;justify-content:center;gap:8px;
            min-height:44px;padding:10px 17px;border:1px solid transparent;border-radius:11px;
            background:var(--brand);color:#fff;font-size:14px;font-weight:750;box-shadow:0 8px 18px rgba(129,63,90,.18);
        }
        .button:hover{transform:translateY(-2px);background:var(--brand-deep);box-shadow:0 12px 23px rgba(129,63,90,.25)}
        .sidebar{display:grid;gap:18px}
        .side-card{padding:23px;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm)}
        .side-card h2{margin:0 0 13px;font-size:18px;line-height:1.4}
        .side-card p{margin:0;color:var(--muted);font-size:14px;line-height:1.75}
        .category-chip{
            display:inline-flex;align-items:center;margin:16px 0 0;padding:6px 11px;
            border-radius:999px;background:#f8edf1;color:var(--brand);font-size:13px;font-weight:750;
        }
        .quick-list{display:grid;gap:0;margin-top:8px}
        .quick-list a{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 0;border-bottom:1px solid var(--line);font-size:14px;font-weight:680}
        .quick-list a:last-child{border-bottom:0}
        .quick-list a span:last-child{color:var(--brand);font-size:18px}
        .quick-list a:hover{color:var(--brand);padding-left:4px}
        .notice{border-color:#f0dfbf;background:#fffdf8}
        .notice h2{display:flex;gap:9px;align-items:center;color:#78551e}
        .notice p{color:#756654}
        .safe-section{padding:0 0 78px}
        .section-heading{max-width:720px;margin:0 auto 28px;text-align:center}
        .eyebrow{display:inline-flex;align-items:center;gap:7px;margin-bottom:10px;color:var(--brand);font-size:13px;font-weight:800;letter-spacing:.08em}
        .eyebrow:before{content:"";width:24px;height:2px;background:var(--accent)}
        .section-heading h2{margin:0;color:var(--ink);font-size:clamp(25px,3vw,34px);letter-spacing:-.025em;line-height:1.35}
        .section-heading p{margin:11px 0 0;color:var(--muted)}
        .safety-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
        .safety-card{padding:25px;border:1px solid var(--line);border-radius:var(--radius);background:var(--paper);box-shadow:var(--shadow-sm);transition:transform .22s ease,box-shadow .22s ease}
        .safety-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
        .safety-icon{width:42px;height:42px;display:grid;place-items:center;margin-bottom:15px;border-radius:13px;background:#f8edf1;color:var(--brand);font-size:20px;font-weight:800}
        .safety-card h3{margin:0 0 8px;font-size:18px}
        .safety-card p{margin:0;color:var(--muted);font-size:14px;line-height:1.8}
        .faq-section{padding:68px 0;background:#eef2f6}
        .faq-wrap{max-width:850px;margin:0 auto}
        .faq-list{display:grid;gap:12px}
        details{border:1px solid var(--line);border-radius:13px;background:#fff;box-shadow:0 5px 15px rgba(26,37,51,.035)}
        details[open]{border-color:#dbc3ce}
        summary{position:relative;padding:18px 50px 18px 20px;list-style:none;font-weight:760;cursor:pointer}
        summary::-webkit-details-marker{display:none}
        summary:after{content:"+";position:absolute;right:20px;top:13px;color:var(--brand);font-size:25px;font-weight:400}
        details[open] summary:after{content:"−"}
        .faq-answer{padding:0 20px 19px;color:var(--muted);font-size:15px}
        .cta{padding:70px 0}
        .cta-box{
            position:relative;overflow:hidden;padding:45px 50px;border-radius:24px;color:#fff;
            background:var(--brand) url("/assets/images/backpic/back-3.webp") center/cover no-repeat;
            box-shadow:0 20px 44px rgba(92,38,61,.23);
        }
        .cta-box:before{content:"";position:absolute;inset:0;background:rgba(81,29,51,.86)}
        .cta-content{position:relative;display:flex;align-items:center;justify-content:space-between;gap:28px}
        .cta h2{max-width:620px;margin:0 0 9px;font-size:clamp(25px,3vw,35px);line-height:1.3}
        .cta p{max-width:690px;margin:0;color:rgba(255,255,255,.82)}
        .button-light{flex:0 0 auto;background:#fff;color:var(--brand);box-shadow:none}
        .button-light:hover{background:#fff4e5;color:var(--brand-deep)}
        .site-footer{padding:54px 0 20px;background:#182231;color:#d7dee7}
        .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:42px;padding-bottom:38px}
        .site-footer .brand{color:#fff}
        .site-footer .brand-mark{background:var(--accent);color:#59371d}
        .footer-brand p{max-width:400px;margin:16px 0 0;color:#aeb9c6;font-size:14px;line-height:1.8}
        .footer-title{margin:5px 0 15px;color:#fff;font-size:14px;font-weight:800}
        .footer-links{display:grid;gap:10px}
        .footer-links a{color:#b4c0ce;font-size:14px}
        .footer-links a:hover{color:#fff;transform:translateX(3px)}
        .footer-bottom{display:flex;justify-content:space-between;gap:18px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);color:#91a0b1;font-size:13px}
        .age-note{color:#d6ad74}
        @media (max-width:1024px){
            .nav-wrap{gap:13px}
            .nav-links{gap:0}
            .nav-links a{padding:8px 7px;font-size:13px}
            .nav-action{display:none}
            .article-layout{grid-template-columns:minmax(0,1fr) 255px;gap:22px}
            .article-content{padding:34px}
        }
        @media (max-width:768px){
            .container{width:min(calc(100% - 32px),var(--container))}
            .site-header{position:relative}
            .nav-wrap{min-height:auto;flex-wrap:wrap;padding:13px 0}
            .brand{font-size:16px}
            .nav-links{order:3;justify-content:flex-start;width:100%;overflow-x:auto;padding:3px 0 1px;scrollbar-width:none}
            .nav-links::-webkit-scrollbar{display:none}
            .nav-links a{font-size:13px;padding:8px 10px}
            .article-banner{min-height:310px;padding:48px 0 43px}
            .article-intro{font-size:15px}
            .main-area{padding:34px 0 52px}
            .article-layout{grid-template-columns:1fr}
            .sidebar{grid-template-columns:repeat(2,1fr)}
            .article-cover{height:245px}
            .article-content{padding:29px 24px 34px}
            .safety-grid{grid-template-columns:1fr}
            .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
            .footer-brand{grid-column:1/-1}
            .cta-box{padding:35px 29px}
            .cta-content{align-items:flex-start;flex-direction:column}
        }
        @media (max-width:520px){
            body{font-size:15px}
            .container{width:min(calc(100% - 28px),var(--container))}
            .article-banner{min-height:286px;padding:39px 0}
            .article-banner h1{font-size:30px}
            .meta-row{margin-top:19px}
            .article-cover{height:188px}
            .article-content{padding:25px 19px 30px}
            .article-content h2{font-size:23px;margin-top:33px}
            .article-content h3{font-size:19px}
            .sidebar{grid-template-columns:1fr}
            .safe-section{padding-bottom:55px}
            .faq-section{padding:53px 0}
            summary{padding:16px 45px 16px 16px}
            .faq-answer{padding:0 16px 17px}
            .cta{padding:52px 0}
            .cta-box{padding:30px 22px;border-radius:18px}
            .footer-grid{grid-template-columns:1fr;gap:26px}
            .footer-brand{grid-column:auto}
            .footer-bottom{flex-direction:column;gap:5px}
        }

/* roulang page: category3 */
:root{
            --ink:#17202f;
            --muted:#657087;
            --soft:#f4f7fb;
            --paper:#ffffff;
            --line:#e3e9f2;
            --primary:#5a4de0;
            --primary-dark:#4034b4;
            --accent:#ef789e;
            --cyan:#43b6c7;
            --shadow:0 18px 50px rgba(28,39,75,.10);
            --small-shadow:0 8px 24px rgba(28,39,75,.08);
            --radius:22px;
            --max:1180px;
        }
        *{box-sizing:border-box;margin:0;padding:0}
        html{scroll-behavior:smooth}
        body{font-family:Inter,"PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--paper);line-height:1.75}
        a{color:inherit;text-decoration:none}
        img{display:block;width:100%;height:auto}
        button,input{font:inherit}
        button{cursor:pointer}
        .container{width:min(var(--max),calc(100% - 40px));margin:auto}
        .site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.9);backdrop-filter:blur(18px);border-bottom:1px solid rgba(227,233,242,.8)}
        .nav-wrap{min-height:76px;display:flex;align-items:center;gap:28px}
        .brand{display:inline-flex;align-items:center;gap:10px;font-weight:800;letter-spacing:.02em;white-space:nowrap}
        .brand-mark{display:grid;place-items:center;width:36px;height:36px;border-radius:12px;color:#fff;background:linear-gradient(135deg,var(--primary),var(--accent));box-shadow:0 7px 18px rgba(90,77,224,.25)}
        .nav-links{display:flex;align-items:center;gap:5px;margin-left:auto}
        .nav-links a{padding:9px 13px;border-radius:12px;color:var(--muted);font-size:14px;transition:.25s}
        .nav-links a:hover,.nav-links a.active{color:var(--primary);background:#f0efff}
        .nav-action{padding:11px 16px;border:1px solid #e7dbe3;border-radius:999px;color:#a74b70;font-size:13px;font-weight:700;transition:.25s}
        .nav-action:hover{background:#fff2f6;transform:translateY(-2px)}
        .banner{position:relative;overflow:hidden;padding:106px 0 94px;background:linear-gradient(100deg,rgba(27,32,62,.88),rgba(55,48,116,.68)),url("/assets/images/backpic/back-2.webp") center/cover}
        .banner:after{content:"";position:absolute;inset:auto -8% -110px;height:220px;background:var(--paper);border-radius:50% 50% 0 0/30% 30% 0 0}
        .banner-inner{position:relative;z-index:1;max-width:780px;color:#fff}
        .eyebrow{display:inline-flex;align-items:center;gap:8px;color:#ffd8e5;font-size:13px;font-weight:800;letter-spacing:.12em;text-transform:uppercase}
        .eyebrow:before{content:"";width:28px;height:2px;background:var(--accent)}
        h1{margin-top:18px;font-size:clamp(34px,5vw,62px);line-height:1.16;letter-spacing:-.04em}
        .banner p{max-width:690px;margin-top:22px;color:#e9eafa;font-size:17px}
        .crumbs{margin-top:25px;color:#c8c9e4;font-size:13px}
        .crumbs a{color:#fff;text-decoration:underline;text-underline-offset:4px}
        .section{padding:92px 0}
        .section.alt{background:var(--soft)}
        .section-head{display:flex;justify-content:space-between;align-items:end;gap:28px;margin-bottom:32px}
        .section-head h2{font-size:clamp(25px,3vw,38px);line-height:1.25;letter-spacing:-.03em}
        .section-head p{max-width:530px;color:var(--muted)}
        .feature-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:34px;align-items:center}
        .feature-image{overflow:hidden;border-radius:var(--radius);box-shadow:var(--shadow)}
        .feature-image img{aspect-ratio:1.25;object-fit:cover;transition:.5s}
        .feature-image:hover img{transform:scale(1.04)}
        .feature-copy h2{font-size:34px;line-height:1.3;margin-bottom:18px}
        .feature-copy>p{color:var(--muted);margin-bottom:25px}
        .check-list{display:grid;gap:14px}
        .check-list li{list-style:none;display:flex;gap:12px;align-items:flex-start}
        .check-list li:before{content:"✓";flex:0 0 24px;height:24px;display:grid;place-items:center;border-radius:50%;background:#e9e7ff;color:var(--primary);font-weight:900}
        .cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
        .card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--small-shadow);transition:.3s}
        .card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:#d4cffb}
        .card-media{overflow:hidden}
        .card-media img{aspect-ratio:1.45;object-fit:cover;transition:.45s}
        .card:hover .card-media img{transform:scale(1.06)}
        .card-body{padding:23px}
        .tag{display:inline-flex;padding:5px 10px;border-radius:999px;background:#f1efff;color:var(--primary);font-size:12px;font-weight:800}
        .card h3{font-size:20px;line-height:1.4;margin:13px 0 8px}
        .card p{font-size:14px;color:var(--muted)}
        .guide-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
        .guide-item{padding:25px 20px;border:1px solid var(--line);border-radius:18px;background:#fff}
        .number{font-size:13px;color:var(--accent);font-weight:900;letter-spacing:.12em}
        .guide-item h3{margin:9px 0 7px;font-size:18px}
        .guide-item p{font-size:14px;color:var(--muted)}
        .notice{display:flex;align-items:center;justify-content:space-between;gap:25px;padding:30px 34px;border:1px solid #e4ddff;border-radius:var(--radius);background:linear-gradient(110deg,#f5f2ff,#fff5f8)}
        .notice h2{font-size:25px;line-height:1.35}
        .notice p{margin-top:6px;color:var(--muted);font-size:14px}
        .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 20px;border:0;border-radius:13px;background:var(--primary);color:#fff;font-weight:800;transition:.25s;white-space:nowrap}
        .btn:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:0 10px 20px rgba(90,77,224,.22)}
        .btn:focus,.nav-action:focus,.nav-links a:focus{outline:3px solid rgba(239,120,158,.35);outline-offset:3px}
        .faq{max-width:850px;margin:auto;display:grid;gap:12px}
        details{border:1px solid var(--line);border-radius:16px;background:#fff;padding:19px 22px}
        summary{cursor:pointer;font-weight:800;list-style:none;position:relative;padding-right:26px}
        summary::-webkit-details-marker{display:none}
        summary:after{content:"+";position:absolute;right:0;color:var(--primary);font-size:22px;line-height:1}
        details[open] summary:after{content:"−"}
        details p{color:var(--muted);font-size:14px;padding-top:12px}
        .cta{padding:75px 0;background:#1d2340;color:#fff}
        .cta-inner{display:flex;justify-content:space-between;align-items:center;gap:30px}
        .cta h2{font-size:clamp(26px,3vw,40px);line-height:1.25}
        .cta p{margin-top:10px;color:#c6c9de;max-width:650px}
        .cta .btn{background:var(--accent)}
        .cta .btn:hover{background:#e35d89}
        .site-footer{padding:56px 0 22px;background:#12172b;color:#c6c9d7}
        .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:40px;padding-bottom:42px}
        .footer-brand .brand{color:#fff}
        .footer-brand p{max-width:370px;margin-top:16px;font-size:14px;color:#9299b0}
        .footer-title{margin-bottom:14px;color:#fff;font-weight:800}
        .footer-links{display:grid;gap:8px;font-size:14px}
        .footer-links a{transition:.2s}
        .footer-links a:hover{color:#fff;padding-left:4px}
        .footer-bottom{display:flex;justify-content:space-between;gap:20px;padding-top:20px;border-top:1px solid #2b3046;font-size:12px;color:#858ca5}
        .age-note{color:#e6a5ba}
        @media(max-width:1024px){.nav-links a{padding-inline:8px}.guide-grid{grid-template-columns:repeat(2,1fr)}}
        @media(max-width:768px){.nav-wrap{gap:12px}.nav-action{display:none}.nav-links{overflow:auto;margin-left:auto}.nav-links a{font-size:13px;white-space:nowrap}.feature-grid{grid-template-columns:1fr}.feature-copy{order:-1}.cards{grid-template-columns:repeat(2,1fr)}.section{padding:70px 0}.notice,.cta-inner{align-items:flex-start;flex-direction:column}}
        @media(max-width:520px){.container{width:min(var(--max),calc(100% - 28px))}.site-header{position:relative}.nav-wrap{align-items:flex-start;flex-wrap:wrap;padding:14px 0}.nav-links{width:100%;order:3;margin:0;padding-bottom:2px}.banner{padding:72px 0 72px}.banner p{font-size:15px}.section-head{display:block}.section-head p{margin-top:12px}.cards,.guide-grid{grid-template-columns:1fr}.card-body{padding:20px}.notice{padding:24px}.footer-grid{grid-template-columns:1fr 1fr;gap:28px}.footer-brand{grid-column:1/-1}.footer-bottom{display:block}.footer-bottom .age-note{display:block;margin-top:8px}}

/* roulang page: category1 */
:root {
            --ink: #171426;
            --ink-soft: #403b52;
            --muted: #746f83;
            --paper: #fffdfa;
            --surface: #ffffff;
            --soft: #f5f0f7;
            --soft-violet: #ece6fb;
            --line: #e7e0ea;
            --primary: #7650c9;
            --primary-dark: #5632a6;
            --accent: #ec9876;
            --accent-light: #fff0ea;
            --deep: #171225;
            --deep-2: #231a38;
            --white: #ffffff;
            --success: #3c9b76;
            --shadow-sm: 0 7px 20px rgba(37, 24, 61, .07);
            --shadow: 0 18px 50px rgba(37, 24, 61, .12);
            --radius-sm: 12px;
            --radius: 20px;
            --radius-lg: 30px;
            --container: 1180px;
            --ease: 220ms cubic-bezier(.2, .75, .25, 1);
        }

        * { box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body {
            margin: 0;
            min-width: 320px;
            color: var(--ink);
            background: var(--paper);
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", Arial, sans-serif;
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            text-rendering: optimizeLegibility;
        }
        a { color: inherit; text-decoration: none; }
        img { max-width: 100%; display: block; }
        button, input { font: inherit; }
        button { cursor: pointer; }
        ::selection { background: #d9ccfa; color: var(--deep); }
        :focus-visible {
            outline: 3px solid rgba(118, 80, 201, .42);
            outline-offset: 3px;
        }

        .container {
            width: min(calc(100% - 48px), var(--container));
            margin: 0 auto;
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 30;
            background: rgba(255, 253, 250, .9);
            border-bottom: 1px solid rgba(231, 224, 234, .78);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
        }
        .nav-wrap {
            display: flex;
            align-items: center;
            min-height: 76px;
            gap: 28px;
        }
        .brand {
            display: inline-flex;
            align-items: center;
            flex: 0 0 auto;
            gap: 10px;
            color: var(--deep);
            font-size: 17px;
            font-weight: 800;
            letter-spacing: -.02em;
        }
        .brand-mark {
            display: grid;
            width: 32px;
            height: 32px;
            place-items: center;
            color: var(--white);
            font-size: 16px;
            font-weight: 900;
            line-height: 1;
            background: var(--primary);
            border-radius: 10px;
            box-shadow: 0 6px 14px rgba(118, 80, 201, .25);
        }
        .nav-links {
            display: flex;
            align-items: center;
            justify-content: center;
            flex: 1;
            gap: 4px;
            white-space: nowrap;
        }
        .nav-links a {
            position: relative;
            padding: 9px 11px;
            color: var(--ink-soft);
            font-size: 14px;
            font-weight: 650;
            border-radius: 9px;
            transition: color var(--ease), background var(--ease);
        }
        .nav-links a::after {
            position: absolute;
            right: 11px;
            bottom: 4px;
            left: 11px;
            height: 2px;
            content: "";
            background: var(--primary);
            border-radius: 5px;
            transform: scaleX(0);
            transition: transform var(--ease);
        }
        .nav-links a:hover,
        .nav-links a.active {
            color: var(--primary-dark);
            background: rgba(118, 80, 201, .07);
        }
        .nav-links a.active::after,
        .nav-links a:hover::after { transform: scaleX(1); }
        .nav-action {
            flex: 0 0 auto;
            padding: 9px 14px;
            color: var(--primary-dark);
            font-size: 13px;
            font-weight: 750;
            white-space: nowrap;
            background: #f0eafe;
            border: 1px solid #e1d4fb;
            border-radius: 999px;
            transition: transform var(--ease), box-shadow var(--ease), background var(--ease);
        }
        .nav-action:hover {
            background: #e7ddfb;
            box-shadow: 0 8px 16px rgba(118, 80, 201, .14);
            transform: translateY(-1px);
        }

        .hero {
            position: relative;
            overflow: hidden;
            min-height: 495px;
            isolation: isolate;
            color: var(--white);
            background: var(--deep) url('/assets/images/backpic/back-1.webp') center / cover no-repeat;
        }
        .hero::before {
            position: absolute;
            inset: 0;
            z-index: -1;
            content: "";
            background:
                linear-gradient(90deg, rgba(20, 14, 35, .94) 2%, rgba(22, 15, 39, .78) 50%, rgba(22, 15, 39, .48) 100%),
                linear-gradient(180deg, rgba(32, 19, 55, .12), rgba(12, 8, 25, .6));
        }
        .hero::after {
            position: absolute;
            right: -130px;
            bottom: -155px;
            z-index: -1;
            width: 430px;
            height: 430px;
            content: "";
            background: rgba(236, 152, 118, .18);
            border-radius: 50%;
            filter: blur(12px);
        }
        .hero-inner {
            display: flex;
            align-items: center;
            min-height: 495px;
            padding: 76px 0 80px;
        }
        .hero-copy { max-width: 780px; }
        .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 7px 12px;
            color: #f3eafd;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: .04em;
            background: rgba(255,255,255,.1);
            border: 1px solid rgba(255,255,255,.18);
            border-radius: 999px;
        }
        .eyebrow i {
            display: block;
            width: 7px;
            height: 7px;
            background: #f5a588;
            border-radius: 50%;
            box-shadow: 0 0 0 4px rgba(245,165,136,.16);
        }
        h1, h2, h3, p { margin-top: 0; }
        h1 {
            max-width: 760px;
            margin: 20px 0 18px;
            font-size: clamp(37px, 5vw, 64px);
            font-weight: 850;
            letter-spacing: -.055em;
            line-height: 1.1;
        }
        .hero-copy p {
            max-width: 700px;
            margin-bottom: 28px;
            color: rgba(255,255,255,.82);
            font-size: 17px;
            line-height: 1.9;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 9px;
            min-height: 48px;
            padding: 11px 19px;
            font-size: 15px;
            font-weight: 800;
            border: 1px solid transparent;
            border-radius: 12px;
            transition: transform var(--ease), box-shadow var(--ease), color var(--ease), background var(--ease), border-color var(--ease);
        }
        .btn:hover { transform: translateY(-2px); }
        .btn-primary {
            color: var(--white);
            background: var(--primary);
            box-shadow: 0 10px 22px rgba(89, 51, 166, .3);
        }
        .btn-primary:hover {
            background: #875fd9;
            box-shadow: 0 14px 28px rgba(89, 51, 166, .4);
        }
        .btn-light {
            color: var(--white);
            background: rgba(255,255,255,.09);
            border-color: rgba(255,255,255,.27);
        }
        .btn-light:hover { background: rgba(255,255,255,.17); }
        .btn-arrow { font-size: 19px; line-height: 1; }

        .section {
            padding: 92px 0;
        }
        .section-tint {
            background: var(--soft);
        }
        .section-head {
            display: flex;
            align-items: end;
            justify-content: space-between;
            gap: 28px;
            margin-bottom: 36px;
        }
        .section-kicker {
            margin-bottom: 9px;
            color: var(--primary);
            font-size: 13px;
            font-weight: 850;
            letter-spacing: .12em;
        }
        h2 {
            margin-bottom: 12px;
            color: var(--deep);
            font-size: clamp(28px, 3.4vw, 42px);
            letter-spacing: -.045em;
            line-height: 1.2;
        }
        .section-intro {
            max-width: 660px;
            margin-bottom: 0;
            color: var(--muted);
            font-size: 16px;
        }
        .section-link {
            flex: 0 0 auto;
            color: var(--primary-dark);
            font-size: 14px;
            font-weight: 800;
            border-bottom: 1px solid rgba(86,50,166,.35);
            transition: color var(--ease), border-color var(--ease);
        }
        .section-link:hover {
            color: var(--accent);
            border-color: var(--accent);
        }

        .feature-grid {
            display: grid;
            grid-template-columns: 1.08fr .92fr;
            gap: 24px;
        }
        .feature-card {
            position: relative;
            min-height: 350px;
            overflow: hidden;
            color: var(--white);
            background: var(--deep-2);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
            isolation: isolate;
        }
        .feature-card img {
            position: absolute;
            inset: 0;
            z-index: -2;
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 650ms var(--ease);
        }
        .feature-card::after {
            position: absolute;
            inset: 0;
            z-index: -1;
            content: "";
            background: linear-gradient(180deg, rgba(20,13,35,.04) 20%, rgba(20,13,35,.9) 100%);
        }
        .feature-card:hover img { transform: scale(1.045); }
        .feature-copy {
            display: flex;
            height: 100%;
            min-height: 350px;
            flex-direction: column;
            justify-content: end;
            padding: 30px;
        }
        .feature-copy h3 {
            max-width: 520px;
            margin-bottom: 9px;
            font-size: 27px;
            letter-spacing: -.035em;
            line-height: 1.25;
        }
        .feature-copy p {
            max-width: 520px;
            margin-bottom: 0;
            color: rgba(255,255,255,.78);
            font-size: 14px;
        }
        .tag {
            display: inline-flex;
            align-items: center;
            align-self: flex-start;
            margin-bottom: auto;
            padding: 6px 10px;
            color: #fff4ed;
            font-size: 12px;
            font-weight: 800;
            background: rgba(236,152,118,.2);
            border: 1px solid rgba(255,221,208,.26);
            border-radius: 999px;
        }

        .choice-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 18px;
        }
        .choice-card {
            padding: 24px;
            background: var(--surface);
            border: 1px solid var(--line);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            transition: transform var(--ease), box-shadow var(--ease), border-color var(--ease);
        }
        .choice-card:hover {
            border-color: #cdbcf1;
            box-shadow: var(--shadow);
            transform: translateY(-5px);
        }
        .choice-icon {
            display: grid;
            width: 45px;
            height: 45px;
            margin-bottom: 20px;
            place-items: center;
            color: var(--primary-dark);
            font-size: 20px;
            font-weight: 900;
            background: var(--soft-violet);
            border-radius: 14px;
        }
        .choice-card:nth-child(2) .choice-icon {
            color: #b96145;
            background: var(--accent-light);
        }
        .choice-card:nth-child(3) .choice-icon {
            color: var(--success);
            background: #e6f4ee;
        }
        .choice-card h3 {
            margin-bottom: 9px;
            font-size: 19px;
            letter-spacing: -.025em;
        }
        .choice-card p {
            margin-bottom: 0;
            color: var(--muted);
            font-size: 14px;
            line-height: 1.75;
        }

        .split-section {
            display: grid;
            grid-template-columns: .87fr 1.13fr;
            align-items: center;
            gap: 72px;
        }
        .image-frame {
            position: relative;
            overflow: hidden;
            min-height: 410px;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
        }
        .image-frame::before {
            position: absolute;
            right: 20px;
            bottom: 20px;
            z-index: 1;
            width: 75px;
            height: 75px;
            content: "";
            border: 1px solid rgba(255,255,255,.38);
            border-radius: 50%;
        }
        .image-frame img {
            width: 100%;
            height: 100%;
            min-height: 410px;
            object-fit: cover;
        }
        .image-note {
            position: absolute;
            right: 20px;
            bottom: 20px;
            z-index: 2;
            padding: 9px 13px;
            color: #fff;
            font-size: 12px;
            font-weight: 750;
            background: rgba(23,18,37,.7);
            border: 1px solid rgba(255,255,255,.2);
            border-radius: 9px;
            backdrop-filter: blur(8px);
        }
        .text-panel h2 { max-width: 530px; }
        .text-panel > p {
            margin-bottom: 24px;
            color: var(--muted);
            font-size: 16px;
        }
        .check-list {
            display: grid;
            gap: 13px;
            margin: 0 0 28px;
            padding: 0;
            list-style: none;
        }
        .check-list li {
            position: relative;
            padding-left: 31px;
            color: var(--ink-soft);
            font-size: 15px;
        }
        .check-list li::before {
            position: absolute;
            top: 7px;
            left: 0;
            display: grid;
            width: 19px;
            height: 19px;
            place-items: center;
            color: var(--white);
            font-size: 12px;
            font-weight: 900;
            content: "✓";
            background: var(--success);
            border-radius: 50%;
        }

        .process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 0;
            counter-reset: process;
        }
        .process-item {
            position: relative;
            padding: 0 25px 0 0;
            counter-increment: process;
        }
        .process-item:not(:last-child)::after {
            position: absolute;
            top: 23px;
            right: 24px;
            width: calc(100% - 67px);
            height: 1px;
            content: "";
            background: #d7caef;
        }
        .process-number {
            display: grid;
            width: 47px;
            height: 47px;
            margin-bottom: 20px;
            place-items: center;
            color: var(--primary-dark);
            font-size: 15px;
            font-weight: 900;
            background: var(--soft-violet);
            border: 1px solid #dfd3f5;
            border-radius: 50%;
        }
        .process-number::before { content: "0" counter(process); }
        .process-item h3 {
            margin-bottom: 8px;
            font-size: 17px;
        }
        .process-item p {
            max-width: 220px;
            margin-bottom: 0;
            color: var(--muted);
            font-size: 14px;
            line-height: 1.7;
        }

        .faq-layout {
            display: grid;
            grid-template-columns: .7fr 1.3fr;
            gap: 72px;
            align-items: start;
        }
        .faq-layout .section-head {
            display: block;
            margin-bottom: 0;
        }
        .faq-layout .section-intro { max-width: 330px; }
        .faq-list {
            display: grid;
            gap: 11px;
        }
        .faq-item {
            overflow: hidden;
            background: var(--surface);
            border: 1px solid var(--line);
            border-radius: 14px;
            transition: border-color var(--ease), box-shadow var(--ease);
        }
        .faq-item[open] {
            border-color: #cdbcf1;
            box-shadow: var(--shadow-sm);
        }
        .faq-item summary {
            position: relative;
            padding: 19px 50px 19px 21px;
            color: var(--ink);
            font-size: 15px;
            font-weight: 800;
            cursor: pointer;
            list-style: none;
        }
        .faq-item summary::-webkit-details-marker { display: none; }
        .faq-item summary::after {
            position: absolute;
            top: 17px;
            right: 20px;
            color: var(--primary);
            font-size: 22px;
            font-weight: 400;
            content: "+";
            transition: transform var(--ease);
        }
        .faq-item[open] summary::after { transform: rotate(45deg); }
        .faq-answer {
            padding: 0 21px 20px;
            color: var(--muted);
            font-size: 14px;
        }
        .faq-answer p { margin-bottom: 0; }

        .cta {
            position: relative;
            overflow: hidden;
            padding: 64px 0;
            color: var(--white);
            background: var(--deep);
            isolation: isolate;
        }
        .cta::before {
            position: absolute;
            top: -180px;
            right: -80px;
            z-index: -1;
            width: 450px;
            height: 450px;
            content: "";
            background: rgba(118, 80, 201, .32);
            border-radius: 50%;
            filter: blur(4px);
        }
        .cta-wrap {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
        }
        .cta h2 {
            max-width: 650px;
            margin-bottom: 10px;
            color: var(--white);
        }
        .cta p {
            max-width: 650px;
            margin-bottom: 0;
            color: rgba(255,255,255,.73);
            font-size: 15px;
        }
        .cta .btn { min-width: 150px; }

        .site-footer {
            padding: 58px 0 24px;
            color: #d8d1e4;
            background: #110d1d;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr;
            gap: 60px;
            padding-bottom: 48px;
        }
        .footer-brand .brand { color: var(--white); }
        .footer-brand p {
            max-width: 360px;
            margin: 17px 0 0;
            color: #9b92aa;
            font-size: 14px;
            line-height: 1.8;
        }
        .footer-title {
            margin-bottom: 15px;
            color: var(--white);
            font-size: 14px;
            font-weight: 800;
        }
        .footer-links {
            display: grid;
            gap: 8px;
        }
        .footer-links a {
            width: fit-content;
            color: #aaa1b8;
            font-size: 14px;
            transition: color var(--ease), transform var(--ease);
        }
        .footer-links a:hover {
            color: #f3c0ab;
            transform: translateX(3px);
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            gap: 18px;
            padding-top: 20px;
            color: #847a94;
            font-size: 12px;
            border-top: 1px solid rgba(255,255,255,.1);
        }
        .age-note { color: #c6a998; }

        @media (max-width: 1024px) {
            .nav-wrap { gap: 13px; }
            .nav-links a { padding-right: 8px; padding-left: 8px; font-size: 13px; }
            .nav-links a::after { right: 8px; left: 8px; }
            .nav-action { display: none; }
            .split-section { gap: 42px; }
            .faq-layout { gap: 42px; }
        }

        @media (max-width: 768px) {
            .container { width: min(calc(100% - 36px), var(--container)); }
            .site-header { position: relative; }
            .nav-wrap {
                flex-wrap: wrap;
                padding: 14px 0;
            }
            .brand { margin-right: auto; }
            .nav-links {
                order: 3;
                width: 100%;
                justify-content: flex-start;
                overflow-x: auto;
                padding-bottom: 2px;
                scrollbar-width: none;
            }
            .nav-links::-webkit-scrollbar { display: none; }
            .nav-links a { font-size: 13px; }
            .hero, .hero-inner { min-height: 455px; }
            .hero-inner { padding: 66px 0; }
            h1 { font-size: clamp(36px, 9vw, 54px); }
            .feature-grid,
            .split-section,
            .faq-layout { grid-template-columns: 1fr; }
            .choice-grid { grid-template-columns: repeat(2, 1fr); }
            .split-section { gap: 34px; }
            .image-frame, .image-frame img { min-height: 340px; }
            .process-grid { grid-template-columns: repeat(2, 1fr); gap: 32px 15px; }
            .process-item { padding-right: 15px; }
            .process-item:not(:last-child)::after { display: none; }
            .faq-layout .section-head { margin-bottom: 28px; }
            .cta-wrap { display: block; }
            .cta .btn { margin-top: 25px; }
            .footer-grid { grid-template-columns: 1.4fr 1fr 1fr; gap: 25px; }
        }

        @media (max-width: 520px) {
            .container { width: min(calc(100% - 28px), var(--container)); }
            .nav-wrap { min-height: 68px; }
            .brand { font-size: 15px; }
            .brand-mark { width: 29px; height: 29px; font-size: 14px; }
            .nav-links { gap: 0; margin: 0 -3px; }
            .nav-links a { padding: 7px 8px; font-size: 12px; }
            .nav-links a::after { right: 8px; bottom: 1px; left: 8px; }
            .hero, .hero-inner { min-height: 500px; }
            .hero-inner { padding: 55px 0; }
            .hero-copy p { font-size: 15px; line-height: 1.75; }
            .hero-actions { display: grid; grid-template-columns: 1fr; }
            .btn { width: 100%; }
            .section { padding: 66px 0; }
            .section-head { display: block; margin-bottom: 27px; }
            .section-link { display: inline-block; margin-top: 15px; }
            .choice-grid,
            .process-grid { grid-template-columns: 1fr; }
            .choice-card { padding: 21px; }
            .feature-copy { min-height: 330px; padding: 23px; }
            .feature-card { min-height: 330px; }
            .feature-copy h3 { font-size: 23px; }
            .image-frame, .image-frame img { min-height: 285px; }
            .text-panel > p { font-size: 15px; }
            .cta { padding: 52px 0; }
            .footer-grid { grid-template-columns: 1fr 1fr; gap: 30px 18px; }
            .footer-brand { grid-column: 1 / -1; }
            .footer-bottom { display: grid; gap: 7px; }
        }

/* roulang page: category5 */
:root {
            --bg: #0f1115;
            --bg-soft: #171a21;
            --panel: #ffffff;
            --panel-soft: #f6f3ee;
            --text: #171717;
            --muted: #696f7a;
            --light: #ffffff;
            --light-muted: rgba(255,255,255,.78);
            --line: rgba(23,23,23,.12);
            --line-dark: rgba(255,255,255,.14);
            --brand: #c23b4b;
            --brand-dark: #982d3a;
            --accent: #2f7f7a;
            --gold: #d6a84f;
            --shadow: 0 22px 60px rgba(15,17,21,.16);
            --shadow-soft: 0 14px 34px rgba(15,17,21,.10);
            --radius: 22px;
            --radius-sm: 14px;
            --container: 1180px;
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
            color: var(--text);
            background: #faf8f4;
            line-height: 1.72;
            letter-spacing: 0;
        }

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

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

        button,
        input {
            font: inherit;
        }

        button {
            border: 0;
            cursor: pointer;
        }

        .container {
            width: min(100% - 40px, var(--container));
            margin: 0 auto;
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background: rgba(15,17,21,.92);
            backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--line-dark);
        }

        .nav-wrap {
            min-height: 76px;
            display: flex;
            align-items: center;
            gap: 24px;
        }

        .brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            flex: 0 0 auto;
            color: var(--light);
            font-weight: 800;
            font-size: 18px;
            line-height: 1;
        }

        .brand-mark {
            width: 36px;
            height: 36px;
            border-radius: 12px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--brand), var(--gold));
            color: #fff;
            box-shadow: 0 10px 24px rgba(194,59,75,.28);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            margin-left: auto;
            overflow-x: auto;
            scrollbar-width: none;
        }

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

        .nav-links a {
            color: rgba(255,255,255,.74);
            padding: 10px 12px;
            border-radius: 999px;
            font-size: 14px;
            white-space: nowrap;
            transition: color .2s ease, background .2s ease, transform .2s ease;
        }

        .nav-links a:hover,
        .nav-links a:focus {
            color: #fff;
            background: rgba(255,255,255,.10);
            outline: none;
        }

        .nav-links a.active {
            color: #fff;
            background: rgba(194,59,75,.92);
        }

        .nav-action {
            flex: 0 0 auto;
            padding: 10px 15px;
            border-radius: 999px;
            color: #24150d;
            background: #f1c76b;
            font-size: 14px;
            font-weight: 700;
            box-shadow: 0 10px 26px rgba(214,168,79,.22);
            transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
        }

        .nav-action:hover,
        .nav-action:focus {
            transform: translateY(-2px);
            background: #ffd978;
            box-shadow: 0 14px 34px rgba(214,168,79,.32);
            outline: 2px solid rgba(255,255,255,.18);
        }

        .page-hero {
            position: relative;
            overflow: hidden;
            min-height: 440px;
            display: flex;
            align-items: center;
            background:
                linear-gradient(110deg, rgba(15,17,21,.94) 12%, rgba(15,17,21,.76) 55%, rgba(15,17,21,.48)),
                url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
            color: var(--light);
        }

        .page-hero::after {
            content: "";
            position: absolute;
            right: 8%;
            top: 18%;
            width: 250px;
            height: 250px;
            border: 1px solid rgba(255,255,255,.18);
            border-radius: 50%;
            box-shadow: 0 0 0 34px rgba(255,255,255,.035), 0 0 0 68px rgba(255,255,255,.025);
        }

        .hero-content {
            position: relative;
            z-index: 1;
            max-width: 760px;
            padding: 80px 0;
        }

        .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 18px;
            color: #f2c76a;
            font-size: 13px;
            font-weight: 800;
            letter-spacing: .14em;
            text-transform: uppercase;
        }

        .eyebrow::before {
            content: "";
            width: 28px;
            height: 2px;
            background: var(--brand);
        }

        h1,
        h2,
        h3,
        p {
            margin-top: 0;
        }

        h1 {
            max-width: 760px;
            margin-bottom: 20px;
            font-size: clamp(38px, 6vw, 72px);
            line-height: 1.08;
            letter-spacing: -.045em;
        }

        .hero-content p {
            max-width: 680px;
            margin-bottom: 28px;
            color: var(--light-muted);
            font-size: 18px;
        }

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

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-height: 48px;
            padding: 12px 20px;
            border-radius: 999px;
            font-weight: 750;
            transition: transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease;
        }

        .btn-primary {
            color: #fff;
            background: var(--brand);
            box-shadow: 0 12px 28px rgba(194,59,75,.28);
        }

        .btn-primary:hover,
        .btn-primary:focus {
            background: var(--brand-dark);
            transform: translateY(-2px);
            box-shadow: 0 16px 34px rgba(194,59,75,.36);
            outline: 2px solid rgba(255,255,255,.35);
            outline-offset: 3px;
        }

        .btn-light {
            color: #26232a;
            background: #fff;
        }

        .btn-light:hover,
        .btn-light:focus {
            background: #f7e9d2;
            transform: translateY(-2px);
            outline: 2px solid rgba(255,255,255,.45);
            outline-offset: 3px;
        }

        .section {
            padding: 92px 0;
        }

        .section-head {
            display: flex;
            align-items: end;
            justify-content: space-between;
            gap: 30px;
            margin-bottom: 34px;
        }

        .section-kicker {
            margin-bottom: 8px;
            color: var(--brand);
            font-size: 13px;
            font-weight: 800;
            letter-spacing: .12em;
        }

        .section h2 {
            max-width: 680px;
            margin-bottom: 0;
            font-size: clamp(30px, 4vw, 48px);
            line-height: 1.18;
            letter-spacing: -.035em;
        }

        .section-intro {
            max-width: 560px;
            margin-bottom: 0;
            color: var(--muted);
        }

        .notice {
            display: grid;
            grid-template-columns: auto 1fr;
            gap: 18px;
            align-items: start;
            padding: 22px 24px;
            border: 1px solid rgba(194,59,75,.18);
            border-radius: var(--radius-sm);
            background: #fff4f2;
        }

        .notice-icon {
            width: 38px;
            height: 38px;
            display: grid;
            place-items: center;
            border-radius: 50%;
            color: #fff;
            background: var(--brand);
            font-weight: 900;
        }

        .notice strong {
            display: block;
            margin-bottom: 4px;
            font-size: 17px;
        }

        .notice p {
            margin-bottom: 0;
            color: var(--muted);
        }

        .principles {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 18px;
        }

        .principle-card {
            min-height: 245px;
            padding: 28px;
            border: 1px solid var(--line);
            border-radius: var(--radius);
            background: var(--panel);
            box-shadow: var(--shadow-soft);
            transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
        }

        .principle-card:hover {
            transform: translateY(-6px);
            border-color: rgba(194,59,75,.32);
            box-shadow: var(--shadow);
        }

        .card-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            margin-bottom: 28px;
            border-radius: 12px;
            color: #fff;
            background: var(--accent);
            font-weight: 800;
        }

        .principle-card:nth-child(2) .card-number {
            background: var(--brand);
        }

        .principle-card:nth-child(3) .card-number {
            background: var(--gold);
            color: #33240f;
        }

        .principle-card h3 {
            margin-bottom: 10px;
            font-size: 22px;
        }

        .principle-card p {
            margin-bottom: 0;
            color: var(--muted);
        }

        .split-section {
            background: var(--bg-soft);
            color: var(--light);
        }

        .split-grid {
            display: grid;
            grid-template-columns: .92fr 1.08fr;
            gap: 64px;
            align-items: center;
        }

        .media-frame {
            position: relative;
            overflow: hidden;
            min-height: 430px;
            border-radius: 28px;
            box-shadow: 0 24px 60px rgba(0,0,0,.28);
        }

        .media-frame img {
            width: 100%;
            height: 100%;
            min-height: 430px;
            object-fit: cover;
        }

        .media-frame::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 44%, rgba(0,0,0,.62));
        }

        .media-caption {
            position: absolute;
            right: 24px;
            bottom: 22px;
            left: 24px;
            z-index: 1;
            color: #fff;
        }

        .media-caption span {
            display: inline-block;
            margin-bottom: 6px;
            padding: 5px 10px;
            border-radius: 999px;
            color: #291f12;
            background: #f0c66b;
            font-size: 12px;
            font-weight: 800;
        }

        .media-caption strong {
            display: block;
            font-size: 22px;
        }

        .split-copy .section-kicker {
            color: #e8ba60;
        }

        .split-copy h2 {
            margin-bottom: 18px;
        }

        .split-copy > p {
            color: var(--light-muted);
        }

        .check-list {
            display: grid;
            gap: 16px;
            margin: 28px 0 0;
            padding: 0;
            list-style: none;
        }

        .check-list li {
            position: relative;
            padding-left: 32px;
            color: rgba(255,255,255,.88);
        }

        .check-list li::before {
            content: "✓";
            position: absolute;
            left: 0;
            top: 1px;
            width: 21px;
            height: 21px;
            display: grid;
            place-items: center;
            border-radius: 50%;
            color: #17211f;
            background: #8bd1c5;
            font-size: 12px;
            font-weight: 900;
        }

        .steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 0;
            counter-reset: steps;
        }

        .step {
            position: relative;
            padding: 0 24px 0 0;
            counter-increment: steps;
        }

        .step:not(:last-child)::after {
            content: "";
            position: absolute;
            top: 22px;
            right: 22px;
            left: 72px;
            height: 1px;
            background: var(--line);
        }

        .step-badge {
            position: relative;
            z-index: 1;
            width: 44px;
            height: 44px;
            display: grid;
            place-items: center;
            margin-bottom: 22px;
            border-radius: 14px;
            color: #fff;
            background: var(--brand);
            font-weight: 800;
        }

        .step-badge::before {
            content: counter(steps);
        }

        .step h3 {
            margin-bottom: 8px;
            font-size: 19px;
        }

        .step p {
            max-width: 230px;
            margin-bottom: 0;
            color: var(--muted);
            font-size: 15px;
        }

        .choice-area {
            background: var(--panel-soft);
        }

        .choice-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 22px;
        }

        .choice-card {
            display: grid;
            grid-template-columns: 150px 1fr;
            gap: 22px;
            padding: 18px;
            border: 1px solid var(--line);
            border-radius: var(--radius);
            background: #fff;
            transition: transform .2s ease, box-shadow .2s ease;
        }

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

        .choice-card img {
            height: 150px;
            border-radius: 16px;
            object-fit: cover;
        }

        .tag {
            display: inline-flex;
            margin-bottom: 12px;
            padding: 5px 10px;
            border-radius: 999px;
            color: var(--accent);
            background: rgba(47,127,122,.11);
            font-size: 12px;
            font-weight: 800;
        }

        .choice-card h3 {
            margin-bottom: 8px;
            font-size: 20px;
        }

        .choice-card p {
            margin-bottom: 0;
            color: var(--muted);
            font-size: 14px;
        }

        .faq-list {
            max-width: 900px;
            margin: 0 auto;
        }

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

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

        .faq-item summary {
            position: relative;
            padding: 22px 48px 22px 0;
            cursor: pointer;
            list-style: none;
            font-size: 18px;
            font-weight: 750;
        }

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

        .faq-item summary::after {
            content: "+";
            position: absolute;
            right: 4px;
            top: 17px;
            color: var(--brand);
            font-size: 28px;
            font-weight: 400;
            transition: transform .2s ease;
        }

        .faq-item[open] summary::after {
            transform: rotate(45deg);
        }

        .faq-answer {
            max-width: 760px;
            padding: 0 48px 22px 0;
            color: var(--muted);
        }

        .cta-section {
            padding: 72px 0;
        }

        .cta-panel {
            position: relative;
            overflow: hidden;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 28px;
            padding: 44px 52px;
            border-radius: 28px;
            color: #fff;
            background:
                linear-gradient(110deg, rgba(194,59,75,.94), rgba(130,42,67,.88)),
                url("/assets/images/backpic/back-3.webp") center/cover;
            box-shadow: var(--shadow);
        }

        .cta-panel::before {
            content: "";
            position: absolute;
            right: -80px;
            top: -100px;
            width: 270px;
            height: 270px;
            border: 1px solid rgba(255,255,255,.22);
            border-radius: 50%;
        }

        .cta-copy,
        .cta-panel .btn {
            position: relative;
            z-index: 1;
        }

        .cta-copy h2 {
            margin-bottom: 10px;
            font-size: clamp(28px, 4vw, 42px);
            line-height: 1.16;
        }

        .cta-copy p {
            max-width: 620px;
            margin-bottom: 0;
            color: rgba(255,255,255,.82);
        }

        .site-footer {
            padding: 58px 0 24px;
            color: var(--light);
            background: var(--bg);
        }

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

        .footer-brand .brand {
            margin-bottom: 18px;
        }

        .footer-brand p {
            max-width: 390px;
            margin-bottom: 0;
            color: var(--light-muted);
            font-size: 14px;
        }

        .footer-title {
            margin-bottom: 16px;
            color: #f0c66b;
            font-size: 14px;
            font-weight: 800;
        }

        .footer-links {
            display: grid;
            gap: 9px;
        }

        .footer-links a {
            color: var(--light-muted);
            font-size: 14px;
            transition: color .2s ease, transform .2s ease;
        }

        .footer-links a:hover,
        .footer-links a:focus {
            color: #fff;
            transform: translateX(3px);
            outline: none;
        }

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            gap: 20px;
            padding-top: 22px;
            border-top: 1px solid var(--line-dark);
            color: rgba(255,255,255,.58);
            font-size: 13px;
        }

        .age-note {
            color: #f0c66b;
        }

        @media (max-width: 1024px) {
            .nav-wrap {
                gap: 14px;
            }

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

            .nav-action {
                display: none;
            }

            .split-grid {
                gap: 36px;
            }

            .steps {
                grid-template-columns: repeat(2, 1fr);
                gap: 38px 20px;
            }

            .step:nth-child(2)::after {
                display: none;
            }
        }

        @media (max-width: 768px) {
            .container {
                width: min(100% - 28px, var(--container));
            }

            .site-header {
                position: relative;
            }

            .nav-wrap {
                min-height: auto;
                padding: 14px 0;
                flex-wrap: wrap;
            }

            .brand {
                font-size: 16px;
            }

            .nav-links {
                order: 3;
                flex-basis: 100%;
                padding-bottom: 2px;
            }

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

            .page-hero {
                min-height: 410px;
            }

            .hero-content {
                padding: 62px 0;
            }

            .hero-content p {
                font-size: 16px;
            }

            .section {
                padding: 68px 0;
            }

            .section-head {
                display: block;
            }

            .section-intro {
                margin-top: 14px;
            }

            .principles,
            .choice-grid,
            .split-grid {
                grid-template-columns: 1fr;
            }

            .split-grid {
                gap: 34px;
            }

            .media-frame,
            .media-frame img {
                min-height: 330px;
            }

            .choice-card {
                grid-template-columns: 130px 1fr;
            }

            .choice-card img {
                height: 130px;
            }

            .cta-panel {
                display: block;
                padding: 34px 26px;
            }

            .cta-panel .btn {
                margin-top: 24px;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 34px 24px;
            }

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

        @media (max-width: 520px) {
            h1 {
                font-size: 39px;
            }

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

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

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

            .principle-card {
                min-height: auto;
            }

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

            .step:not(:last-child)::after {
                display: none;
            }

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

            .choice-card img {
                height: 190px;
            }

            .footer-grid,
            .footer-bottom {
                display: block;
            }

            .footer-grid > div {
                margin-bottom: 28px;
            }

            .footer-bottom span {
                display: block;
                margin-bottom: 10px;
            }
        }