/* roulang page: index */
:root {
            --ink: #252525;
            --ink-soft: #4c4a46;
            --muted: #77736d;
            --paper: #f7f5f0;
            --white: #fffdf9;
            --gold: #bd8b35;
            --gold-light: #e7c987;
            --copper: #8c4f36;
            --line: #ded9cf;
            --dark: #292725;
            --dark-soft: #373330;
            --shadow: 0 14px 40px rgba(42, 35, 27, .08);
            --shadow-hover: 0 18px 46px rgba(42, 35, 27, .14);
            --radius: 8px;
            --max: 1180px;
        }

        *, *::before, *::after { box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body {
            margin: 0;
            color: var(--ink);
            background: var(--paper);
            font-family: "Noto Sans SC", "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
            font-size: 16px;
            line-height: 1.8;
            -webkit-font-smoothing: antialiased;
        }
        img { display: block; max-width: 100%; }
        a { color: inherit; text-decoration: none; }
        button, input { font: inherit; }
        button { cursor: pointer; }
        :focus-visible { outline: 3px solid rgba(189, 139, 53, .45); outline-offset: 3px; }

        .container { width: min(var(--max), calc(100% - 48px)); margin: 0 auto; }
        .site-header {
            position: sticky;
            top: 0;
            z-index: 20;
            background: rgba(247, 245, 240, .94);
            border-bottom: 1px solid rgba(222, 217, 207, .9);
            backdrop-filter: blur(12px);
        }
        .nav-wrap { min-height: 78px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
        .brand { display: inline-flex; align-items: center; gap: 12px; min-width: 220px; }
        .brand-mark {
            width: 38px; height: 38px; display: grid; place-items: center;
            color: var(--white); background: var(--dark); border-radius: 6px;
            font-family: Georgia, serif; font-weight: 700; font-size: 18px;
            box-shadow: inset 0 -3px 0 var(--gold);
        }
        .brand-text { line-height: 1.25; }
        .brand-text strong { display: block; font-size: 16px; letter-spacing: 0; }
        .brand-text small { color: var(--muted); font-size: 11px; letter-spacing: 0; }
        .nav-links { display: flex; align-items: center; gap: 8px; }
        .nav-links a {
            padding: 9px 15px; color: var(--ink-soft); border-bottom: 2px solid transparent;
            transition: color .2s ease, border-color .2s ease, background .2s ease;
        }
        .nav-links a:hover, .nav-links a.active { color: var(--copper); border-color: var(--gold); background: rgba(189, 139, 53, .06); }
        .nav-contact { color: var(--copper); font-weight: 700; white-space: nowrap; }
        .menu-toggle { display: none; border: 1px solid var(--line); background: var(--white); color: var(--ink); padding: 8px 11px; border-radius: 6px; }

        .hero {
            min-height: 680px;
            display: flex;
            align-items: center;
            position: relative;
            color: var(--white);
            background: linear-gradient(90deg, rgba(31, 29, 27, .9) 0%, rgba(31, 29, 27, .66) 48%, rgba(31, 29, 27, .28) 100%), url("/assets/images/backpic/back-1.jpg") center/cover no-repeat;
        }
        .hero::after { content: ""; position: absolute; inset: auto 0 0; height: 100px; background: linear-gradient(transparent, var(--paper)); opacity: .28; }
        .hero-content { position: relative; z-index: 1; max-width: 720px; padding: 88px 0 112px; }
        .eyebrow, .section-kicker {
            display: inline-flex; align-items: center; gap: 10px; color: var(--gold-light);
            font-size: 13px; font-weight: 700; letter-spacing: 1px;
        }
        .eyebrow::before, .section-kicker::before { content: ""; width: 28px; height: 1px; background: currentColor; }
        h1, h2, h3, p { margin-top: 0; }
        h1 {
            max-width: 760px; margin: 22px 0 22px; font-family: "Noto Serif SC", "Songti SC", serif;
            font-size: clamp(42px, 6vw, 76px); line-height: 1.16; letter-spacing: 0; font-weight: 700;
        }
        .hero-lead { max-width: 620px; color: rgba(255, 253, 249, .84); font-size: 18px; line-height: 1.9; margin-bottom: 34px; }
        .hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }
        .btn {
            display: inline-flex; min-height: 48px; align-items: center; justify-content: center; gap: 9px;
            padding: 10px 22px; border: 1px solid transparent; border-radius: 6px; font-weight: 700;
            transition: transform .2s ease, background .2s ease, color .2s ease, box-shadow .2s ease, border-color .2s ease;
        }
        .btn:hover { transform: translateY(-2px); box-shadow: var(--shadow-hover); }
        .btn:active { transform: translateY(0); }
        .btn-primary { color: var(--dark); background: var(--gold-light); }
        .btn-primary:hover { background: #f0d99e; }
        .btn-outline { color: var(--white); border-color: rgba(255,255,255,.52); background: rgba(255,255,255,.04); }
        .btn-outline:hover { background: var(--white); color: var(--dark); }

        .section { padding: 104px 0; }
        .section-dark { background: var(--dark); color: var(--white); }
        .section-head { display: flex; align-items: end; justify-content: space-between; gap: 32px; margin-bottom: 42px; }
        .section-head h2 { margin: 12px 0 0; font-family: "Noto Serif SC", "Songti SC", serif; font-size: clamp(30px, 4vw, 46px); line-height: 1.3; }
        .section-head p { max-width: 480px; color: var(--muted); margin-bottom: 3px; }
        .section-dark .section-head p { color: #bcb5ac; }
        .text-link { color: var(--copper); font-weight: 700; border-bottom: 1px solid var(--gold); padding-bottom: 4px; white-space: nowrap; }
        .text-link:hover { color: var(--gold); }

        .intro-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 70px; align-items: center; }
        .intro-image { position: relative; min-height: 430px; overflow: hidden; border-radius: var(--radius); }
        .intro-image img { width: 100%; height: 100%; object-fit: cover; }
        .image-note { position: absolute; left: 22px; bottom: 20px; padding: 9px 13px; color: var(--white); background: rgba(37, 37, 37, .78); font-size: 13px; }
        .intro-copy h2 { font-family: "Noto Serif SC", "Songti SC", serif; font-size: 40px; line-height: 1.35; margin: 15px 0 22px; }
        .intro-copy p { color: var(--ink-soft); margin-bottom: 22px; }
        .check-list { list-style: none; padding: 0; margin: 30px 0 0; display: grid; gap: 14px; }
        .check-list li { display: flex; gap: 13px; align-items: flex-start; }
        .check-list li::before { content: "✓"; display: grid; place-items: center; width: 23px; height: 23px; flex: 0 0 23px; color: var(--white); background: var(--copper); border-radius: 50%; font-size: 12px; margin-top: 4px; }

        .feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
        .feature-card { padding: 30px; border: 1px solid #4a4540; background: var(--dark-soft); border-radius: var(--radius); transition: transform .2s ease, border-color .2s ease; }
        .feature-card:hover { transform: translateY(-5px); border-color: var(--gold); }
        .feature-no { color: var(--gold-light); font: 700 24px Georgia, serif; }
        .feature-card h3 { margin: 35px 0 10px; font-size: 21px; }
        .feature-card p { color: #c2bbb2; margin-bottom: 0; font-size: 15px; }

        .topic-band { background: #eee9df; }
        .topic-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
        .topic-card { position: relative; min-height: 280px; overflow: hidden; border-radius: var(--radius); color: var(--white); }
        .topic-card img { width: 100%; height: 100%; object-fit: cover; transition: transform .45s ease; }
        .topic-card:hover img { transform: scale(1.04); }
        .topic-card::after { content: ""; position: absolute; inset: 35% 0 0; background: linear-gradient(transparent, rgba(28, 25, 22, .88)); }
        .topic-copy { position: absolute; z-index: 1; left: 28px; right: 28px; bottom: 24px; }
        .topic-copy h3 { margin: 10px 0 5px; font-family: "Noto Serif SC", serif; font-size: 26px; }
        .topic-copy p { margin: 0; color: rgba(255,255,255,.78); font-size: 14px; }

        .updates-layout { display: grid; grid-template-columns: .72fr 1.28fr; gap: 70px; }
        .updates-aside h2 { font-family: "Noto Serif SC", serif; font-size: 38px; line-height: 1.35; margin: 15px 0; }
        .updates-aside p { color: var(--muted); }
        .update-list { border-top: 1px solid var(--line); }
        .update-item { display: grid; grid-template-columns: 94px 1fr 22px; gap: 22px; align-items: center; padding: 22px 0; border-bottom: 1px solid var(--line); transition: padding .2s ease, color .2s ease; }
        .update-item:hover { padding-left: 8px; color: var(--copper); }
        .update-date { color: var(--muted); font-size: 13px; }
        .update-title { font-size: 18px; font-weight: 700; margin-bottom: 4px; }
        .update-summary { color: var(--muted); font-size: 14px; display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden; }
        .update-arrow { color: var(--gold); font-size: 20px; }
        .empty-state { padding: 24px 0; color: var(--muted); }

        .process { background: #f0ece4; }
        .process-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
        .process-step { position: relative; padding: 30px 25px 34px 0; margin-right: 28px; }
        .process-step:not(:last-child)::after { content: "→"; position: absolute; right: 0; top: 35px; color: var(--gold); font-size: 24px; }
        .step-num { color: var(--copper); font: 700 14px Georgia, serif; }
        .process-step h3 { margin: 16px 0 8px; font-size: 19px; }
        .process-step p { color: var(--muted); font-size: 14px; margin: 0; }

        .faq-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 76px; }
        .faq-intro h2 { margin: 15px 0; font-family: "Noto Serif SC", serif; font-size: 38px; line-height: 1.4; }
        .faq-intro p { color: #bcb5ac; }
        details { border-top: 1px solid #514b45; padding: 19px 0; }
        details:last-child { border-bottom: 1px solid #514b45; }
        summary { cursor: pointer; list-style: none; display: flex; justify-content: space-between; gap: 20px; font-weight: 700; }
        summary::-webkit-details-marker { display: none; }
        summary::after { content: "+"; color: var(--gold-light); font-size: 22px; line-height: 1; }
        details[open] summary::after { content: "−"; }
        details p { color: #c2bbb2; font-size: 15px; margin: 12px 28px 0 0; }

        .cta { padding: 78px 0; background: var(--copper); color: var(--white); }
        .cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 35px; }
        .cta h2 { font-family: "Noto Serif SC", serif; font-size: 35px; margin: 0 0 8px; }
        .cta p { color: rgba(255,255,255,.78); margin: 0; }
        .cta .btn-primary { background: var(--gold-light); color: var(--dark); }

        .site-footer { padding: 54px 0 24px; background: #211f1d; color: #eee7dc; }
        .footer-top { display: grid; grid-template-columns: 1.5fr 1fr 1fr; gap: 50px; padding-bottom: 40px; border-bottom: 1px solid #443e39; }
        .footer-brand p { max-width: 360px; color: #aaa29a; font-size: 14px; margin: 20px 0 0; }
        .footer-title { margin: 0 0 15px; color: var(--gold-light); font-size: 14px; }
        .footer-links { display: grid; gap: 7px; color: #aaa29a; font-size: 14px; }
        .footer-links a:hover { color: var(--gold-light); }
        .footer-bottom { display: flex; justify-content: space-between; gap: 20px; padding-top: 20px; color: #817b75; font-size: 12px; }

        @media (max-width: 1024px) {
            .hero { min-height: 620px; }
            .intro-grid, .updates-layout, .faq-grid { gap: 42px; }
            .process-grid { grid-template-columns: repeat(2, 1fr); }
            .process-step:nth-child(2) { border-bottom: 1px solid var(--line); }
        }
        @media (max-width: 768px) {
            .container { width: min(var(--max), calc(100% - 32px)); }
            .nav-wrap { min-height: 68px; }
            .brand { min-width: 0; }
            .menu-toggle { display: block; }
            .nav-links {
                display: none; position: absolute; left: 16px; right: 16px; top: 73px;
                padding: 10px; flex-direction: column; align-items: stretch; background: var(--white);
                border: 1px solid var(--line); border-radius: 6px; box-shadow: var(--shadow);
            }
            .nav-links.is-open { display: flex; }
            .nav-links a { padding: 11px 14px; }
            .nav-contact { display: none; }
            .hero { min-height: 600px; background-position: 62% center; }
            .hero-content { padding: 70px 0 100px; }
            .hero-lead { font-size: 16px; }
            .section { padding: 76px 0; }
            .section-head, .cta-inner { display: block; }
            .section-head p { margin-top: 18px; }
            .section-head .text-link { display: inline-block; margin-top: 16px; }
            .intro-grid, .updates-layout, .faq-grid, .topic-grid { grid-template-columns: 1fr; }
            .intro-image { min-height: 300px; order: 2; }
            .intro-copy h2 { font-size: 32px; }
            .feature-grid { grid-template-columns: 1fr; }
            .topic-card { min-height: 250px; }
            .updates-layout { gap: 35px; }
            .process-grid { grid-template-columns: 1fr; }
            .process-step { margin-right: 0; padding-right: 0; border-bottom: 1px solid var(--line); }
            .process-step:last-child { border-bottom: 0; }
            .process-step::after { display: none; }
            .cta h2 { font-size: 29px; }
            .cta .btn { margin-top: 25px; }
            .footer-top { grid-template-columns: 1fr 1fr; gap: 30px; }
            .footer-brand { grid-column: 1 / -1; }
        }
        @media (max-width: 520px) {
            h1 { font-size: 42px; }
            .hero-actions { display: grid; grid-template-columns: 1fr; }
            .hero-actions .btn { width: 100%; }
            .update-item { grid-template-columns: 72px 1fr 15px; gap: 12px; }
            .update-title { font-size: 16px; }
            .update-summary { display: none; }
            .footer-top { grid-template-columns: 1fr; }
            .footer-brand { grid-column: auto; }
            .footer-bottom { display: block; }
            .footer-bottom span { display: block; margin-top: 6px; }
        }

/* roulang page: article */
:root {
            --ink: #252525;
            --ink-soft: #4c4a46;
            --muted: #77736d;
            --paper: #f7f5f0;
            --white: #fffdf9;
            --gold: #bd8b35;
            --gold-light: #e7c987;
            --copper: #8c4f36;
            --line: #ded9cf;
            --dark: #292725;
            --dark-soft: #373330;
            --shadow: 0 14px 40px rgba(42, 35, 27, .08);
            --shadow-hover: 0 18px 46px rgba(42, 35, 27, .14);
            --radius: 8px;
            --max: 1180px;
        }
        html { scroll-behavior: smooth; }
        body {
            margin: 0;
            color: var(--ink);
            background: var(--paper);
            font-family: "Noto Sans SC", "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
            font-size: 16px;
            line-height: 1.8;
            -webkit-font-smoothing: antialiased;
        }
        img { display: block; max-width: 100%; }
        a { color: inherit; text-decoration: none; }
        button, input, textarea { font: inherit; }
        button { cursor: pointer; }
        ::selection { background: rgba(189, 139, 53, .22); }
        .container { width: min(var(--max), calc(100% - 48px)); margin: 0 auto; }
        .site-header {
            position: sticky;
            top: 0;
            z-index: 20;
            background: rgba(247, 245, 240, .94);
            border-bottom: 1px solid rgba(222, 217, 207, .9);
            backdrop-filter: blur(12px);
        }
        .nav-wrap { min-height: 78px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
        .brand { display: inline-flex; align-items: center; gap: 12px; min-width: 220px; }
        .brand-mark {
            width: 38px; height: 38px; display: grid; place-items: center;
            color: var(--white); background: var(--dark); border-radius: 6px;
            font-family: Georgia, serif; font-weight: 700; font-size: 18px;
            box-shadow: inset 0 -3px 0 var(--gold);
        }
        .brand-text { line-height: 1.25; }
        .brand-text strong { display: block; font-size: 16px; letter-spacing: 0; }
        .brand-text small { color: var(--muted); font-size: 11px; letter-spacing: 0; }
        .nav-links { display: flex; align-items: center; gap: 8px; }
        .nav-links a {
            padding: 9px 15px; color: var(--ink-soft); border-bottom: 2px solid transparent;
            transition: color .2s ease, border-color .2s ease, background .2s ease;
        }
        .nav-links a:hover, .nav-links a.active { color: var(--copper); border-color: var(--gold); background: rgba(189, 139, 53, .06); }
        .nav-contact { color: var(--copper); font-weight: 700; white-space: nowrap; }
        .menu-toggle { display: none; border: 1px solid var(--line); background: var(--white); color: var(--ink); padding: 8px 11px; border-radius: 6px; }
        .article-hero {
            position: relative;
            color: var(--white);
            background:
                linear-gradient(90deg, rgba(31, 29, 27, .92) 0%, rgba(31, 29, 27, .74) 48%, rgba(31, 29, 27, .44) 100%),
                url("/assets/images/backpic/back-2.jpg") center/cover no-repeat;
        }
        .article-hero::after {
            content: "";
            position: absolute;
            inset: auto 0 0;
            height: 88px;
            background: linear-gradient(transparent, var(--paper));
            opacity: .28;
        }
        .article-hero-inner {
            position: relative;
            z-index: 1;
            padding: 72px 0 84px;
        }
        .article-shell {
            display: grid;
            grid-template-columns: minmax(0, 1fr) 300px;
            gap: 28px;
            align-items: start;
            margin-top: -36px;
            padding-bottom: 88px;
        }
        .article-main, .article-aside, .info-strip, .recommend-card, .crumbs, .content-card, .entry-card, .faq-item, .contact-box {
            border: 1px solid var(--line);
            border-radius: var(--radius);
            background: var(--white);
            box-shadow: var(--shadow);
        }
        .article-main { padding: 34px 34px 18px; }
        .article-aside { padding: 22px; position: sticky; top: 98px; }
        .eyebrow, .section-kicker {
            display: inline-flex; align-items: center; gap: 10px; color: var(--gold-light);
            font-size: 13px; font-weight: 700; letter-spacing: 1px;
        }
        .eyebrow::before, .section-kicker::before { content: ""; width: 28px; height: 1px; background: currentColor; }
        .article-hero h1 {
            margin: 14px 0 16px;
            font-family: "Noto Serif SC", "Songti SC", serif;
            font-size: clamp(30px, 4.2vw, 52px);
            line-height: 1.22;
            letter-spacing: 0;
            max-width: 18em;
        }
        .article-summary {
            max-width: 860px;
            color: rgba(255, 253, 249, .88);
            font-size: 18px;
            line-height: 1.9;
            margin: 0 0 24px;
        }
        .hero-meta { display: flex; flex-wrap: wrap; gap: 10px; }
        .meta-chip {
            display: inline-flex; align-items: center; gap: 8px;
            min-height: 36px; padding: 6px 12px; border-radius: 999px;
            background: rgba(255,255,255,.09); border: 1px solid rgba(255,255,255,.16);
            color: rgba(255,255,255,.88); font-size: 13px;
        }
        .crumbs {
            display: flex; flex-wrap: wrap; gap: 10px; align-items: center;
            padding: 14px 18px; margin-bottom: 24px;
            color: var(--muted); font-size: 14px;
        }
        .crumbs a:hover { color: var(--copper); }
        .crumbs span.sep { color: #aaa49c; }
        .content-card { padding: 28px 0 6px; overflow: hidden; }
        .article-main h2, .article-main h3 {
            font-family: "Noto Serif SC", "Songti SC", serif;
            color: var(--dark);
            letter-spacing: 0;
            line-height: 1.35;
            margin: 34px 0 14px;
        }
        .article-main h2 { font-size: 28px; }
        .article-main h3 { font-size: 22px; }
        .article-main p { margin: 0 0 18px; color: var(--ink-soft); }
        .article-main ul, .article-main ol { padding-left: 22px; color: var(--ink-soft); margin: 0 0 18px; }
        .article-main li { margin-bottom: 8px; }
        .article-main blockquote {
            margin: 26px 0;
            padding: 18px 20px;
            background: #faf7f0;
            border-left: 4px solid var(--gold);
            color: var(--ink-soft);
            border-radius: 0 var(--radius) var(--radius) 0;
        }
        .article-main hr {
            border: 0;
            border-top: 1px solid var(--line);
            margin: 30px 0;
        }
        .article-main a {
            color: var(--copper);
            border-bottom: 1px solid rgba(140, 79, 54, .28);
        }
        .article-main a:hover { color: var(--gold); border-bottom-color: var(--gold); }
        .article-main img {
            margin: 22px 0;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
        }
        .article-main table {
            width: 100%;
            border-collapse: collapse;
            margin: 20px 0 26px;
            background: var(--white);
        }
        .article-main th, .article-main td {
            border: 1px solid var(--line);
            padding: 12px 14px;
            text-align: left;
            vertical-align: top;
        }
        .article-main th { background: #faf7f0; }
        .article-main pre {
            padding: 18px 20px;
            overflow: auto;
            background: #2b2825;
            color: #f5efe5;
            border-radius: var(--radius);
            margin: 24px 0;
        }
        .article-main code { font-family: SFMono-Regular, Consolas, monospace; }
        .entry-card {
            display: grid;
            grid-template-columns: 110px 1fr;
            gap: 14px;
            padding: 14px;
            margin-bottom: 14px;
            transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
        }
        .entry-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-hover); border-color: #d5c6a2; }
        .entry-card img {
            width: 100%; height: 84px; object-fit: cover; border-radius: 6px; margin: 0;
        }
        .entry-card h3, .recommend-card h3 {
            margin: 0 0 8px; font-size: 17px; font-family: "Noto Sans SC", sans-serif; line-height: 1.45;
        }
        .entry-card p, .recommend-card p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.7; }
        .chip-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
        .chip {
            display: inline-flex; align-items: center; min-height: 32px; padding: 4px 10px;
            border-radius: 999px; background: #faf7f0; color: var(--ink-soft); border: 1px solid #e8e0d2; font-size: 13px;
        }
        .aside-block + .aside-block { margin-top: 22px; }
        .aside-title {
            margin: 0 0 14px; font-size: 16px; color: var(--dark); font-weight: 800; letter-spacing: 0;
        }
        .aside-list { display: grid; gap: 12px; }
        .aside-list a {
            display: flex; justify-content: space-between; gap: 12px; align-items: center;
            color: var(--ink-soft); padding-bottom: 10px; border-bottom: 1px dashed #e7e0d6;
        }
        .aside-list a:hover { color: var(--copper); }
        .count-pill {
            display: inline-flex; align-items: center; justify-content: center;
            min-width: 28px; height: 28px; padding: 0 8px; border-radius: 999px;
            background: rgba(189, 139, 53, .12); color: var(--copper); font-size: 13px; font-weight: 700;
        }
        .info-strip { padding: 20px 24px; margin: 24px 0; }
        .info-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
        .info-item {
            padding: 18px; border-radius: var(--radius); background: #faf7f0; border: 1px solid #ece3d5;
        }
        .info-item strong { display: block; font-size: 15px; color: var(--dark); margin-bottom: 8px; }
        .info-item span { display: block; color: var(--muted); font-size: 14px; line-height: 1.7; }
        .recommend-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 18px;
        }
        .recommend-card {
            overflow: hidden;
            transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
        }
        .recommend-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-hover); border-color: #d5c6a2; }
        .recommend-card img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; margin: 0; }
        .recommend-body { padding: 16px; }
        .recommend-meta { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 10px; }
        .recommend-meta span {
            display: inline-flex; align-items: center; min-height: 26px; padding: 2px 8px;
            border-radius: 999px; background: #f4efe5; color: var(--muted); font-size: 12px;
        }
        .prev-next {
            display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; margin-top: 22px;
        }
        .pn-card {
            display: flex; flex-direction: column; gap: 8px; padding: 16px 18px;
            border: 1px solid var(--line); border-radius: var(--radius); background: var(--white);
            transition: border-color .2s ease, transform .2s ease, box-shadow .2s ease;
        }
        .pn-card:hover { transform: translateY(-2px); border-color: #d5c6a2; box-shadow: var(--shadow-hover); }
        .pn-card small { color: var(--muted); }
        .pn-card strong { color: var(--dark); line-height: 1.5; }
        .cta-band {
            padding: 32px 0 90px;
        }
        .cta-box {
            background: linear-gradient(135deg, rgba(41, 39, 37, 1), rgba(58, 52, 47, 1));
            color: var(--white);
            border-radius: calc(var(--radius) + 2px);
            padding: 34px 34px 30px;
            box-shadow: var(--shadow);
        }
        .cta-box h2 {
            margin: 10px 0 12px;
            font-family: "Noto Serif SC", "Songti SC", serif;
            font-size: clamp(26px, 3vw, 40px);
            line-height: 1.3;
        }
        .cta-box p { color: rgba(255,255,255,.82); margin: 0; max-width: 760px; }
        .cta-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 22px; }
        .btn {
            display: inline-flex; min-height: 46px; align-items: center; justify-content: center; gap: 9px;
            padding: 10px 20px; border: 1px solid transparent; border-radius: 6px; font-weight: 700;
            transition: transform .2s ease, background .2s ease, color .2s ease, box-shadow .2s ease, border-color .2s ease;
        }
        .btn:hover { transform: translateY(-2px); box-shadow: var(--shadow-hover); }
        .btn:active { transform: translateY(0); }
        .btn-primary { color: var(--dark); background: var(--gold-light); }
        .btn-primary:hover { background: #f0d99e; }
        .btn-outline { color: var(--white); border-color: rgba(255,255,255,.52); background: rgba(255,255,255,.04); }
        .btn-outline:hover { background: var(--white); color: var(--dark); }
        .site-footer {
            background: var(--dark);
            color: rgba(255,255,255,.86);
            padding: 58px 0 24px;
        }
        .footer-top {
            display: grid;
            grid-template-columns: 1.4fr .8fr .8fr;
            gap: 28px;
            padding-bottom: 28px;
            border-bottom: 1px solid rgba(255,255,255,.1);
        }
        .footer-brand .brand { min-width: 0; color: var(--white); }
        .footer-brand p { margin: 16px 0 0; color: rgba(255,255,255,.7); max-width: 420px; }
        .footer-title { margin: 4px 0 14px; font-size: 16px; color: var(--white); }
        .footer-links { display: grid; gap: 10px; }
        .footer-links a, .footer-links span { color: rgba(255,255,255,.72); }
        .footer-links a:hover { color: var(--gold-light); }
        .footer-bottom {
            display: flex; justify-content: space-between; gap: 18px; flex-wrap: wrap;
            padding-top: 18px; color: rgba(255,255,255,.58); font-size: 14px;
        }
        .section-title {
            display: flex; align-items: end; justify-content: space-between; gap: 24px;
            margin: 34px 0 18px;
        }
        .section-title h2 {
            margin: 0;
            font-family: "Noto Serif SC", "Songti SC", serif;
            font-size: 28px;
            line-height: 1.35;
            color: var(--dark);
        }
        .section-title p { margin: 0; color: var(--muted); max-width: 520px; }
        .no-article {
            padding: 34px 0 10px;
        }
        .empty-state {
            padding: 42px 26px;
            text-align: center;
            border: 1px dashed #d9cfbf;
            border-radius: var(--radius);
            background: rgba(255,255,255,.6);
        }
        .empty-state h2 { margin: 0 0 12px; color: var(--dark); font-size: 28px; }
        .empty-state p { margin: 0 0 18px; color: var(--muted); }
        .focus-ring:focus-visible,
        .btn:focus-visible,
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 3px solid rgba(189, 139, 53, .28);
            outline-offset: 2px;
        }
        @media (max-width: 1100px) {
            .article-shell { grid-template-columns: 1fr; }
            .article-aside { position: static; }
            .recommend-grid, .info-grid { grid-template-columns: repeat(2, 1fr); }
            .footer-top { grid-template-columns: 1fr 1fr; }
        }
        @media (max-width: 768px) {
            .container { width: min(var(--max), calc(100% - 32px)); }
            .nav-wrap { min-height: 70px; gap: 16px; flex-wrap: wrap; padding: 10px 0; }
            .brand { min-width: 0; }
            .nav-links { width: 100%; flex-wrap: wrap; gap: 6px; }
            .nav-links a { padding: 8px 10px; }
            .article-hero h1 { max-width: 100%; }
            .article-summary { font-size: 16px; }
            .article-main { padding: 24px 18px 8px; }
            .article-aside { padding: 18px; }
            .prev-next, .recommend-grid, .info-grid, .footer-top { grid-template-columns: 1fr; }
            .section-title, .crumbs, .footer-bottom { align-items: flex-start; }
            .cta-box { padding: 26px 20px 24px; }
        }
        @media (max-width: 520px) {
            body { font-size: 15px; }
            .hero-meta { gap: 8px; }
            .meta-chip { min-height: 32px; font-size: 12px; }
            .article-main h2 { font-size: 24px; }
            .article-main h3 { font-size: 19px; }
            .info-strip, .content-card, .contact-box { padding-left: 16px; padding-right: 16px; }
            .entry-card { grid-template-columns: 1fr; }
            .entry-card img { height: 180px; }
            .cta-actions { flex-direction: column; }
            .btn { width: 100%; }
        }

/* roulang page: category1 */
:root {
            --ink: #252525;
            --ink-soft: #4c4a46;
            --muted: #77736d;
            --paper: #f7f5f0;
            --white: #fffdf9;
            --gold: #bd8b35;
            --gold-light: #e7c987;
            --copper: #8c4f36;
            --line: #ded9cf;
            --dark: #292725;
            --dark-soft: #373330;
            --shadow: 0 14px 40px rgba(42, 35, 27, .08);
            --shadow-hover: 0 18px 46px rgba(42, 35, 27, .14);
            --radius: 8px;
            --max: 1180px;
        }
        html { scroll-behavior: smooth; }
        body {
            margin: 0;
            color: var(--ink);
            background: var(--paper);
            font-family: "Noto Sans SC", "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
            font-size: 16px;
            line-height: 1.8;
            -webkit-font-smoothing: antialiased;
        }
        img { display: block; max-width: 100%; }
        a { color: inherit; text-decoration: none; }
        button, input, textarea { font: inherit; }
        button { cursor: pointer; }
        .container { width: min(var(--max), calc(100% - 48px)); margin: 0 auto; }
        .site-header {
            position: sticky;
            top: 0;
            z-index: 20;
            background: rgba(247, 245, 240, .94);
            border-bottom: 1px solid rgba(222, 217, 207, .9);
            backdrop-filter: blur(12px);
        }
        .nav-wrap { min-height: 78px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
        .brand { display: inline-flex; align-items: center; gap: 12px; min-width: 220px; }
        .brand-mark {
            width: 38px; height: 38px; display: grid; place-items: center;
            color: var(--white); background: var(--dark); border-radius: 6px;
            font-family: Georgia, serif; font-weight: 700; font-size: 18px;
            box-shadow: inset 0 -3px 0 var(--gold);
        }
        .brand-text { line-height: 1.25; }
        .brand-text strong { display: block; font-size: 16px; letter-spacing: 0; }
        .brand-text small { color: var(--muted); font-size: 11px; letter-spacing: 0; }
        .nav-links { display: flex; align-items: center; gap: 8px; }
        .nav-links a {
            padding: 9px 15px; color: var(--ink-soft); border-bottom: 2px solid transparent;
            transition: color .2s ease, border-color .2s ease, background .2s ease;
        }
        .nav-links a:hover, .nav-links a.active { color: var(--copper); border-color: var(--gold); background: rgba(189, 139, 53, .06); }
        .nav-contact { color: var(--copper); font-weight: 700; white-space: nowrap; }
        .menu-toggle { display: none; border: 1px solid var(--line); background: var(--white); color: var(--ink); padding: 8px 11px; border-radius: 6px; }
        .hero {
            min-height: 540px;
            display: flex;
            align-items: center;
            position: relative;
            color: var(--white);
            background: linear-gradient(90deg, rgba(31, 29, 27, .92) 0%, rgba(31, 29, 27, .72) 50%, rgba(31, 29, 27, .32) 100%), url("/assets/images/backpic/back-2.jpg") center/cover no-repeat;
        }
        .hero::after { content: ""; position: absolute; inset: auto 0 0; height: 100px; background: linear-gradient(transparent, var(--paper)); opacity: .28; }
        .hero-content { position: relative; z-index: 1; max-width: 760px; padding: 92px 0 110px; }
        .eyebrow, .section-kicker {
            display: inline-flex; align-items: center; gap: 10px; color: var(--gold-light);
            font-size: 13px; font-weight: 700; letter-spacing: 1px;
        }
        .eyebrow::before, .section-kicker::before { content: ""; width: 28px; height: 1px; background: currentColor; }
        .hero h1 {
            margin: 18px 0 16px;
            font-family: "Noto Serif SC", "Songti SC", serif;
            font-size: clamp(38px, 5vw, 64px);
            line-height: 1.15;
        }
        .hero-lead { max-width: 660px; color: rgba(255, 253, 249, .84); font-size: 18px; line-height: 1.9; margin-bottom: 34px; }
        .hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }
        .btn {
            display: inline-flex; min-height: 48px; align-items: center; justify-content: center; gap: 9px;
            padding: 10px 22px; border: 1px solid transparent; border-radius: 6px; font-weight: 700;
            transition: transform .2s ease, background .2s ease, color .2s ease, box-shadow .2s ease, border-color .2s ease;
        }
        .btn:hover { transform: translateY(-2px); box-shadow: var(--shadow-hover); }
        .btn:active { transform: translateY(0); }
        .btn-primary { color: var(--dark); background: var(--gold-light); }
        .btn-primary:hover { background: #f0d99e; }
        .btn-outline { color: var(--white); border-color: rgba(255,255,255,.52); background: rgba(255,255,255,.04); }
        .btn-outline:hover { background: var(--white); color: var(--dark); }
        .section { padding: 88px 0; }
        .section-dark { background: var(--dark); color: var(--white); }
        .section-head { display: flex; align-items: end; justify-content: space-between; gap: 32px; margin-bottom: 38px; }
        .section-head h2 { margin: 12px 0 0; font-family: "Noto Serif SC", "Songti SC", serif; font-size: clamp(28px, 4vw, 44px); line-height: 1.3; }
        .section-head p { max-width: 520px; color: var(--muted); margin-bottom: 3px; }
        .section-dark .section-head p { color: #bcb5ac; }
        .text-link { color: var(--copper); font-weight: 700; border-bottom: 1px solid var(--gold); padding-bottom: 4px; white-space: nowrap; }
        .text-link:hover { color: var(--gold); }
        .topic-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 22px; }
        .topic-card {
            position: relative;
            min-height: 300px;
            overflow: hidden;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            background: var(--white);
            border: 1px solid var(--line);
        }
        .topic-card img { width: 100%; height: 100%; object-fit: cover; }
        .topic-card .topic-copy {
            position: absolute; inset: auto 0 0 0; padding: 24px 24px 22px;
            background: linear-gradient(180deg, rgba(17, 15, 13, 0) 0%, rgba(17, 15, 13, .92) 100%);
            color: var(--white);
        }
        .topic-card .topic-copy h3 { margin: 0 0 6px; font-size: 24px; }
        .topic-card .topic-copy p { margin: 0; color: rgba(255,255,255,.82); }
        .pill-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
        .pill {
            display: inline-flex; align-items: center; min-height: 34px; padding: 0 12px;
            border-radius: 999px; border: 1px solid rgba(255,255,255,.24); color: var(--white);
            background: rgba(255,255,255,.06); font-size: 13px;
        }
        .feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
        .feature-card {
            padding: 28px;
            border: 1px solid var(--line);
            background: var(--white);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
        }
        .feature-card:hover { transform: translateY(-4px); border-color: rgba(189, 139, 53, .45); box-shadow: var(--shadow-hover); }
        .feature-no { color: var(--gold); font: 700 24px Georgia, serif; }
        .feature-card h3 { margin: 26px 0 10px; font-size: 20px; }
        .feature-card p { color: var(--muted); margin-bottom: 0; font-size: 15px; }
        .list-grid { display: grid; grid-template-columns: 1fr 320px; gap: 22px; }
        .news-list { display: grid; gap: 14px; }
        .news-item {
            display: grid; grid-template-columns: 184px 1fr; gap: 18px; align-items: stretch;
            background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
            overflow: hidden; box-shadow: var(--shadow);
            transition: transform .2s ease, box-shadow .2s ease;
        }
        .news-item:hover { transform: translateY(-3px); box-shadow: var(--shadow-hover); }
        .news-thumb { min-height: 156px; background: #eee; }
        .news-thumb img { width: 100%; height: 100%; object-fit: cover; }
        .news-body { padding: 20px 20px 20px 0; }
        .meta { display: flex; flex-wrap: wrap; gap: 10px; color: var(--muted); font-size: 13px; margin-bottom: 10px; }
        .tag {
            display: inline-flex; align-items: center; min-height: 28px; padding: 0 10px;
            border-radius: 999px; background: rgba(189, 139, 53, .09); color: var(--copper); font-size: 12px; font-weight: 700;
        }
        .news-body h3 { margin: 0 0 8px; font-size: 20px; line-height: 1.4; }
        .news-body p { margin: 0; color: var(--muted); }
        .side-box {
            padding: 24px;
            border-radius: var(--radius);
            border: 1px solid var(--line);
            background: linear-gradient(180deg, #fff 0%, #f9f7f3 100%);
            box-shadow: var(--shadow);
        }
        .side-box h3 { margin: 0 0 12px; font-size: 18px; }
        .side-box ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }
        .side-box li { color: var(--ink-soft); padding-bottom: 12px; border-bottom: 1px solid rgba(222, 217, 207, .7); }
        .side-box li:last-child { border-bottom: 0; padding-bottom: 0; }
        .step-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
        .step-card {
            padding: 24px;
            background: var(--dark-soft);
            color: var(--white);
            border-radius: var(--radius);
            border: 1px solid rgba(255,255,255,.08);
        }
        .step-card span { color: var(--gold-light); font-weight: 700; font-size: 13px; }
        .step-card h3 { margin: 12px 0 8px; font-size: 18px; }
        .step-card p { margin-bottom: 0; color: #c8c0b6; font-size: 15px; }
        .faq-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
        .faq-item {
            background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
            padding: 22px 24px; box-shadow: var(--shadow);
        }
        .faq-item h3 { margin: 0 0 10px; font-size: 18px; }
        .faq-item p { margin: 0; color: var(--muted); }
        .cta-band {
            padding: 42px;
            border-radius: calc(var(--radius) + 2px);
            background: linear-gradient(135deg, #2b2824 0%, #3b352f 100%);
            color: var(--white);
            border: 1px solid rgba(255,255,255,.08);
            box-shadow: var(--shadow-hover);
        }
        .cta-band .cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 28px; }
        .cta-band h2 { margin: 0 0 8px; font-family: "Noto Serif SC", "Songti SC", serif; font-size: clamp(28px, 4vw, 40px); }
        .cta-band p { margin: 0; color: rgba(255,255,255,.8); max-width: 620px; }
        .site-footer {
            padding: 52px 0 26px;
            background: #241f1b;
            color: #e9e2d6;
            border-top: 1px solid rgba(255,255,255,.06);
        }
        .footer-top { display: grid; grid-template-columns: 1.2fr .8fr .8fr; gap: 22px; padding-bottom: 28px; }
        .footer-brand p { margin: 14px 0 0; color: #bdb4a7; max-width: 360px; }
        .footer-title { margin: 0 0 14px; font-size: 16px; color: #fff; }
        .footer-links { display: grid; gap: 10px; }
        .footer-links a, .footer-links span { color: #c9c0b2; }
        .footer-links a:hover { color: var(--gold-light); }
        .footer-bottom {
            display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
            padding-top: 18px; border-top: 1px solid rgba(255,255,255,.08); color: #b7ad9e;
        }
        .section-note { margin-top: 16px; color: var(--muted); }
        .chip-row { display: flex; flex-wrap: wrap; gap: 10px; }
        .chip {
            display: inline-flex; align-items: center; min-height: 34px; padding: 0 12px;
            border: 1px solid var(--line); border-radius: 999px; background: var(--white); color: var(--ink-soft);
            font-size: 13px;
        }
        .contact-form {
            display: grid;
            gap: 12px;
            padding: 24px;
            background: var(--white);
            border: 1px solid var(--line);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
        }
        .contact-form label { display: grid; gap: 6px; color: var(--ink-soft); font-size: 14px; }
        .contact-form input, .contact-form textarea {
            width: 100%;
            border: 1px solid var(--line);
            border-radius: 6px;
            padding: 12px 14px;
            background: #fff;
            color: var(--ink);
            outline: none;
            transition: border-color .2s ease, box-shadow .2s ease;
        }
        .contact-form input:focus, .contact-form textarea:focus {
            border-color: rgba(189, 139, 53, .8);
            box-shadow: 0 0 0 3px rgba(189, 139, 53, .12);
        }
        .contact-form textarea { min-height: 120px; resize: vertical; }
        .tiny { font-size: 13px; color: var(--muted); }
        .breadcrumb {
            display: flex; flex-wrap: wrap; gap: 8px; align-items: center; color: rgba(255,255,255,.7); font-size: 13px;
        }
        .breadcrumb a { color: rgba(255,255,255,.92); }
        .breadcrumb span.sep { color: rgba(255,255,255,.35); }
        @media (max-width: 1080px) {
            .feature-grid, .step-grid { grid-template-columns: repeat(2, 1fr); }
            .list-grid { grid-template-columns: 1fr; }
            .footer-top { grid-template-columns: 1fr 1fr; }
        }
        @media (max-width: 768px) {
            .container { width: min(var(--max), calc(100% - 32px)); }
            .nav-wrap { flex-wrap: wrap; padding: 12px 0; }
            .nav-links { width: 100%; overflow-x: auto; padding-bottom: 4px; }
            .hero { min-height: auto; }
            .hero-content { padding: 68px 0 78px; }
            .section { padding: 68px 0; }
            .section-head, .cta-band .cta-inner { flex-direction: column; align-items: flex-start; }
            .topic-grid, .faq-grid, .footer-top, .feature-grid, .step-grid { grid-template-columns: 1fr; }
            .news-item { grid-template-columns: 1fr; }
            .news-body { padding: 18px 18px 20px; }
            .news-thumb { min-height: 220px; }
            .cta-band { padding: 28px; }
            .menu-toggle { display: inline-flex; }
            .nav-contact { width: 100%; display: none; }
        }
        @media (max-width: 520px) {
            .hero h1 { font-size: 34px; }
            .hero-lead { font-size: 16px; }
            .btn { width: 100%; }
            .hero-actions { flex-direction: column; }
            .feature-card, .faq-item, .side-box, .contact-form { padding: 20px; }
            .footer-bottom { flex-direction: column; }
        }