/* roulang page: index */
:root {
            --ink: #302b2a;
            --muted: #746d67;
            --paper: #fff8ed;
            --surface: #fffdf8;
            --line: #e9dfd0;
            --amber: #e7a83b;
            --amber-dark: #ad6d13;
            --plum: #34243d;
            --coral: #d9664f;
            --green: #4f7961;
            --radius: 16px;
            --shadow: 0 12px 34px rgba(52, 36, 61, .08);
            --container: 1200px;
        }
        *, *::before, *::after { box-sizing: border-box; }
        html { scroll-behavior: smooth; scroll-padding-top: 92px; }
        body {
            margin: 0;
            color: var(--ink);
            background: var(--paper);
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            font-size: 16px;
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }
        a { color: inherit; text-decoration: none; }
        a:hover { color: var(--amber-dark); }
        img { display: block; max-width: 100%; }
        button, input, select, textarea { font: inherit; }
        button, a, input, select, textarea { -webkit-tap-highlight-color: transparent; }
        :focus-visible { outline: 3px solid rgba(217, 102, 79, .7); outline-offset: 3px; }
        .container { width: min(var(--container), calc(100% - 48px)); margin: 0 auto; }
        .site-header {
            position: sticky; z-index: 20; top: 0;
            background: rgba(255, 248, 237, .94);
            border-bottom: 1px solid rgba(233, 223, 208, .88);
            backdrop-filter: blur(14px);
        }
        .nav-wrap { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
        .brand { display: inline-flex; align-items: center; gap: 11px; flex: 0 0 auto; font-weight: 800; font-size: 19px; }
        .brand-mark {
            width: 42px; height: 42px; display: grid; place-items: center;
            color: var(--plum); background: var(--amber); border-radius: 12px;
            font-size: 17px; font-weight: 900; box-shadow: inset 0 -3px rgba(130, 78, 10, .14);
        }
        .nav-links { display: flex; align-items: center; gap: 6px; }
        .nav-links a { padding: 9px 12px; border-radius: 9px; color: #625b56; font-size: 14px; transition: .2s ease; }
        .nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--plum); background: #f4e9d7; }
        .nav-action { color: var(--plum) !important; background: var(--amber) !important; font-weight: 750; }
        .menu-toggle { display: none; border: 1px solid var(--line); background: var(--surface); color: var(--plum); border-radius: 10px; width: 44px; height: 44px; cursor: pointer; }
        .menu-toggle span, .menu-toggle::before, .menu-toggle::after { content: ""; display: block; width: 18px; height: 2px; background: currentColor; margin: 4px auto; transition: .2s; }
        .hero { padding: 56px 0 34px; }
        .hero-panel {
            position: relative; overflow: hidden; min-height: 390px; padding: 48px 54px;
            display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(280px, .7fr);
            align-items: center; gap: 44px; color: #fffaf1; background: var(--plum);
            border-radius: 22px;
        }
        .hero-panel::after {
            content: ""; position: absolute; width: 440px; height: 440px; right: 12%; top: -260px;
            border: 1px solid rgba(255,255,255,.12); border-radius: 50%;
            box-shadow: 0 0 0 42px rgba(255,255,255,.025), 0 0 0 90px rgba(255,255,255,.02);
            pointer-events: none;
        }
        .eyebrow { display: inline-flex; gap: 9px; align-items: center; color: #f2c66f; font-size: 13px; font-weight: 750; }
        .eyebrow::before { content: ""; width: 22px; height: 2px; background: currentColor; }
        h1 { max-width: 650px; margin: 15px 0 8px; color: #fffaf1; font-size: clamp(38px, 5vw, 58px); line-height: 1.2; font-weight: 850; }
        h1 em { color: #f2bd52; font-style: normal; }
        .hero-subtitle { margin: 0 0 13px; color: #e8d9cb; font-size: 18px; font-weight: 600; }
        .hero-copy { max-width: 650px; margin: 0; color: #d8cbd4; font-size: 15px; line-height: 1.9; }
        .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 23px; }
        .button { min-height: 46px; display: inline-flex; align-items: center; justify-content: center; gap: 9px; padding: 10px 18px; border: 1px solid transparent; border-radius: 10px; font-weight: 750; font-size: 14px; transition: transform .2s, background .2s, border-color .2s; }
        .button:hover { transform: translateY(-2px); }
        .button-primary { color: var(--plum); background: var(--amber); }
        .button-primary:hover { color: var(--plum); background: #f0ba52; }
        .button-ghost { color: #fffaf1; border-color: rgba(255,255,255,.34); background: rgba(255,255,255,.04); }
        .button-ghost:hover { color: #fff; background: rgba(255,255,255,.12); }
        .hero-index { position: relative; z-index: 1; padding: 20px 0 20px 25px; border-left: 1px solid rgba(255,255,255,.22); }
        .hero-index-label { color: #e8c77f; font-size: 12px; letter-spacing: 0; font-weight: 750; }
        .hero-index strong { display: block; margin: 7px 0; color: #fff7e8; font-size: 27px; line-height: 1.35; }
        .hero-index p { margin: 0 0 18px; color: #cbbdc9; font-size: 13px; }
        .index-tags { display: flex; flex-wrap: wrap; gap: 8px; }
        .index-tags span { padding: 5px 10px; border: 1px solid rgba(255,255,255,.17); border-radius: 999px; color: #efe3d8; font-size: 12px; }
        .section { padding: 68px 0; border-top: 1px solid rgba(233,223,208,.78); }
        .section-soft { background: #fbf1e2; }
        .section-dark { color: #fffaf1; background: var(--plum); border: 0; }
        .section-heading { display: flex; align-items: end; justify-content: space-between; gap: 26px; margin-bottom: 28px; }
        .section-heading > div { max-width: 720px; }
        .kicker { display: block; margin-bottom: 5px; color: var(--amber-dark); font-size: 12px; font-weight: 800; }
        .section-dark .kicker { color: #efbd5c; }
        h2 { margin: 0; color: var(--plum); font-size: clamp(25px, 3vw, 34px); line-height: 1.3; font-weight: 820; }
        .section-dark h2 { color: #fffaf1; }
        .section-heading p { max-width: 470px; margin: 0; color: var(--muted); font-size: 14px; line-height: 1.8; }
        .section-dark .section-heading p { color: #cbbdc9; }
        .text-link { display: inline-flex; align-items: center; gap: 8px; color: var(--plum); font-size: 13px; font-weight: 750; white-space: nowrap; }
        .text-link::after { content: "↗"; font-size: 17px; transition: transform .2s; }
        .text-link:hover::after { transform: translate(2px, -2px); }
        .stats-band { display: grid; grid-template-columns: repeat(4, 1fr); background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
        .stat { min-height: 136px; padding: 23px 26px; border-right: 1px solid var(--line); position: relative; }
        .stat:last-child { border: 0; }
        .stat-label { display: block; color: var(--muted); font-size: 13px; }
        .stat strong { display: block; margin: 4px 0 0; color: var(--plum); font-size: 31px; line-height: 1.3; }
        .stat small { color: var(--green); font-size: 12px; }
        .spark { position: absolute; right: 18px; bottom: 22px; width: 62px; height: 28px; border-bottom: 2px solid #d8a948; transform: skewY(-16deg); opacity: .75; }
        .spark::before { content: ""; position: absolute; inset: 7px 0 0; border-top: 2px solid #d8a948; transform: skewY(28deg); }
        .section-note { margin: 17px 0 0; color: var(--muted); font-size: 13px; }
        .latest-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 20px; }
        .content-card { min-width: 0; border: 1px solid var(--line); border-radius: 14px; background: var(--surface); overflow: hidden; transition: transform .22s, border-color .22s, box-shadow .22s; }
        .content-card:hover { transform: translateY(-4px); border-color: #d6b978; box-shadow: var(--shadow); }
        .cover { position: relative; isolation: isolate; aspect-ratio: 1.56 / 1; overflow: hidden; display: flex; align-items: end; padding: 16px; background: #9d8b70; }
        .cover::before, .cover::after { content: ""; position: absolute; z-index: -1; border-radius: 50%; }
        .cover::before { width: 150px; height: 150px; right: -25px; top: -60px; background: rgba(255,255,255,.28); }
        .cover::after { width: 240px; height: 110px; right: 8%; bottom: -70px; transform: rotate(-18deg); background: rgba(48,43,42,.2); }
        .cover-art { position: absolute; inset: 0; display: grid; place-items: center; color: rgba(255,255,255,.88); font-size: 30px; font-weight: 900; text-shadow: 0 2px 18px rgba(0,0,0,.14); }
        .cover-caption { position: relative; z-index: 1; color: rgba(255,255,255,.9); font-size: 11px; letter-spacing: 0; }
        .cover-moss { background: linear-gradient(140deg,#52695a,#a6a775 56%,#d4ac71); }
        .cover-coral { background: linear-gradient(140deg,#a3484b,#d88b68 58%,#efc584); }
        .cover-sky { background: linear-gradient(140deg,#52778d,#91b7b4 58%,#e2c99f); }
        .cover-plum { background: linear-gradient(140deg,#553d60,#a67884 58%,#e2b89c); }
        .cover-night { background: linear-gradient(140deg,#282e48,#58607c 58%,#c08467); }
        .cover-orange { background: linear-gradient(140deg,#bd653e,#e4a44c 58%,#f0d18a); }
        .cover-green { background: linear-gradient(140deg,#3e6452,#8ea77b 58%,#d7bd83); }
        .cover-rose { background: linear-gradient(140deg,#8e5966,#c38f85 58%,#edd0a2); }
        .cover-violet { background: linear-gradient(140deg,#51466f,#9b849c 58%,#dfba9b); }
        .cover-yellow { background: linear-gradient(140deg,#b8883d,#dfb85f 58%,#ead79b); }
        .cover-aqua { background: linear-gradient(140deg,#457579,#82aaa1 58%,#dfc293); }
        .cover-ink { background: linear-gradient(140deg,#394652,#73858a 58%,#cc9c70); }
        .card-body { padding: 15px 16px 16px; }
        .card-meta { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-bottom: 8px; }
        .badge { display: inline-flex; align-items: center; min-height: 22px; padding: 2px 8px; border-radius: 6px; color: #584019; background: #f6e6bf; font-size: 11px; font-weight: 750; white-space: nowrap; }
        .badge-green { color: #355744; background: #e2eee3; }
        .badge-coral { color: #914c3e; background: #fae2da; }
        .score { color: var(--amber-dark); font-size: 12px; font-weight: 800; }
        .content-card h3 { margin: 0; color: var(--plum); font-size: 15px; line-height: 1.5; }
        .card-foot { display: flex; align-items: center; justify-content: space-between; margin-top: 10px; color: var(--muted); font-size: 12px; }
        .matrix { display: grid; grid-template-columns: 1.15fr .85fr 1fr; grid-template-rows: repeat(2, minmax(152px, auto)); gap: 14px; }
        .matrix-item { position: relative; overflow: hidden; min-height: 150px; padding: 22px; border: 1px solid var(--line); border-radius: 14px; background: var(--surface); }
        .matrix-item:first-child { grid-row: span 2; display: flex; flex-direction: column; justify-content: end; color: #fffaf1; background: var(--plum); border-color: var(--plum); }
        .matrix-item:nth-child(4) { grid-column: span 2; background: #f4e5c9; }
        .matrix-num { color: var(--amber-dark); font-size: 11px; font-weight: 800; }
        .matrix-item:first-child .matrix-num { color: #f2c66f; }
        .matrix-item h3 { margin: 6px 0 5px; color: var(--plum); font-size: 18px; }
        .matrix-item:first-child h3 { color: #fffaf1; font-size: 24px; }
        .matrix-item p { max-width: 430px; margin: 0; color: var(--muted); font-size: 13px; line-height: 1.75; }
        .matrix-item:first-child p { color: #d8cbd4; }
        .matrix-arrow { position: absolute; right: 18px; bottom: 14px; color: var(--amber-dark); font-size: 21px; }
        .popular-layout { display: grid; grid-template-columns: 1.05fr .95fr; gap: 18px; }
        .feature-pick { position: relative; min-height: 345px; padding: 25px; display: flex; flex-direction: column; justify-content: end; overflow: hidden; border-radius: 16px; color: #fffaf1; background: linear-gradient(145deg,#435b51,#7e9875 48%,#d4a96b); }
        .feature-pick::before { content: "山海"; position: absolute; top: 25px; right: 20px; color: rgba(255,255,255,.24); font-size: 90px; font-weight: 900; writing-mode: vertical-rl; }
        .feature-pick::after { content: ""; position: absolute; inset: 0; background: linear-gradient(0deg,rgba(27,32,30,.76),transparent 70%); }
        .feature-pick > * { position: relative; z-index: 1; }
        .feature-pick h3 { margin: 10px 0 4px; font-size: 25px; }
        .feature-pick p { max-width: 440px; margin: 0; color: #f1e8dd; font-size: 13px; }
        .popular-side { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
        .popular-item { min-height: 158px; padding: 17px; border: 1px solid var(--line); border-radius: 12px; background: var(--surface); }
        .popular-item:nth-child(2), .popular-item:nth-child(5) { background: #f5e8d5; }
        .popular-item h3 { margin: 10px 0 5px; color: var(--plum); font-size: 15px; }
        .popular-item p { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.65; }
        .popular-score { display: flex; justify-content: space-between; margin-top: 10px; color: var(--amber-dark); font-size: 12px; font-weight: 800; }
        .rank-layout { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(230px, .5fr); gap: 34px; align-items: start; }
        .rank-list { margin: 0; padding: 0; list-style: none; border-top: 1px solid rgba(255,255,255,.16); }
        .rank-row { display: grid; grid-template-columns: 44px minmax(0, 1fr) 100px 60px 74px; align-items: center; gap: 14px; min-height: 58px; border-bottom: 1px solid rgba(255,255,255,.13); }
        .rank-num { color: #c8b9c9; font-size: 14px; font-weight: 800; }
        .rank-row:nth-child(-n+3) .rank-num { color: #f0bd54; font-size: 18px; }
        .rank-name { min-width: 0; color: #fff8ed; font-size: 14px; font-weight: 700; }
        .rank-type { color: #d7c7d4; font-size: 11px; }
        .rank-rating, .rank-heat { color: #f2c66f; font-size: 12px; text-align: right; font-weight: 750; }
        .rank-heat { position: relative; padding-bottom: 6px; }
        .rank-heat::after { content: ""; position: absolute; height: 2px; left: 0; right: 0; bottom: 0; background: #d9664f; opacity: .8; }
        .rank-aside { padding: 22px; border: 1px solid rgba(255,255,255,.15); border-radius: 14px; background: rgba(255,255,255,.05); }
        .rank-aside strong { display: block; color: #f2c66f; font-size: 33px; line-height: 1.2; }
        .rank-aside h3 { margin: 9px 0; color: #fff8ed; font-size: 17px; }
        .rank-aside p { margin: 0; color: #cbbdc9; font-size: 13px; }
        .timeline { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; margin-top: 34px; }
        .timeline-item { position: relative; padding: 28px 22px 5px 0; border-top: 2px solid #dfc99d; }
        .timeline-item::before { content: ""; position: absolute; top: -7px; left: 0; width: 12px; height: 12px; border: 3px solid var(--paper); border-radius: 50%; background: var(--coral); box-shadow: 0 0 0 1px var(--coral); }
        .timeline-item span { color: var(--amber-dark); font-size: 12px; font-weight: 800; }
        .timeline-item h3 { margin: 5px 0 6px; color: var(--plum); font-size: 16px; }
        .timeline-item p { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.7; }
        .news-layout { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0 28px; }
        .news-item { display: grid; grid-template-columns: 90px minmax(0, 1fr); gap: 16px; align-items: center; min-height: 112px; padding: 15px 0; border-bottom: 1px solid var(--line); }
        .news-thumb { display: grid; place-items: center; width: 90px; aspect-ratio: 1.2; border-radius: 9px; color: #fffaf1; background: linear-gradient(145deg,#765c67,#d49269); font-weight: 800; font-size: 18px; }
        .news-item:nth-child(3n+2) .news-thumb { background: linear-gradient(145deg,#526d64,#c0a064); }
        .news-item:nth-child(3n) .news-thumb { background: linear-gradient(145deg,#555275,#bd8d83); }
        .news-date { color: var(--amber-dark); font-size: 11px; font-weight: 750; }
        .news-item h3 { margin: 3px 0 4px; color: var(--plum); font-size: 14px; line-height: 1.5; }
        .news-item p { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.6; }
        .assurance { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; }
        .assurance-item { padding: 5px 24px 5px 0; }
        .assurance-item + .assurance-item { padding-left: 24px; border-left: 1px solid var(--line); }
        .assurance-icon { width: 36px; height: 36px; display: grid; place-items: center; margin-bottom: 12px; border-radius: 10px; color: var(--plum); background: #f2e4ca; font-weight: 900; }
        .assurance-item h3 { margin: 0 0 5px; color: var(--plum); font-size: 15px; }
        .assurance-item p { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.75; }
        .quick-answers { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-bottom: 30px; }
        .quick-item { padding: 15px 16px; border-left: 3px solid var(--amber); background: var(--surface); }
        .quick-item strong { display: block; color: var(--plum); font-size: 13px; }
        .quick-item span { color: var(--muted); font-size: 12px; }
        .faq-list { border-top: 1px solid var(--line); }
        .faq-item { border-bottom: 1px solid var(--line); }
        .faq-item summary { display: flex; align-items: center; justify-content: space-between; gap: 18px; min-height: 62px; color: var(--plum); font-weight: 750; cursor: pointer; list-style: none; }
        .faq-item summary::-webkit-details-marker { display: none; }
        .faq-item summary::after { content: "+"; color: var(--amber-dark); font-size: 22px; transition: transform .2s; }
        .faq-item[open] summary::after { content: "−"; transform: rotate(180deg); }
        .faq-answer { max-width: 900px; margin: -2px 0 18px; color: var(--muted); font-size: 14px; line-height: 1.8; }
        .contact-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 44px; align-items: start; }
        .contact-copy h2 { margin-bottom: 12px; }
        .contact-copy p { margin: 0; color: #cbbdc9; font-size: 14px; }
        .contact-form { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
        .field { display: flex; flex-direction: column; gap: 6px; }
        .field-wide { grid-column: 1 / -1; }
        .field label { color: #e8d9cb; font-size: 12px; font-weight: 700; }
        .field input, .field select, .field textarea { width: 100%; min-height: 44px; padding: 10px 12px; color: #fffaf1; border: 1px solid rgba(255,255,255,.2); border-radius: 8px; background: rgba(255,255,255,.06); }
        .field input::placeholder, .field textarea::placeholder { color: #b8a9b7; }
        .field select option { color: var(--ink); }
        .field textarea { min-height: 88px; resize: vertical; }
        .form-foot { grid-column: 1 / -1; display: flex; align-items: center; flex-wrap: wrap; gap: 14px; }
        .form-foot small { color: #cbbdc9; font-size: 11px; }
        .site-footer { padding: 42px 0 20px; color: #d7cbd4; background: #271b2e; }
        .footer-grid { display: grid; grid-template-columns: 1.3fr .8fr .8fr 1fr; gap: 35px; padding-bottom: 32px; }
        .footer-brand { display: inline-flex; align-items: center; gap: 10px; color: #fff8ed; font-size: 17px; font-weight: 800; }
        .footer-brand .brand-mark { width: 36px; height: 36px; font-size: 14px; }
        .footer-grid p { max-width: 280px; margin: 13px 0 0; color: #bdaebc; font-size: 12px; line-height: 1.8; }
        .footer-col h3 { margin: 0 0 12px; color: #f0c56e; font-size: 13px; }
        .footer-col a, .footer-col span { display: block; width: fit-content; margin: 7px 0; color: #d7cbd4; font-size: 12px; }
        .footer-col a:hover { color: #f2c66f; }
        .footer-bottom { display: flex; justify-content: space-between; gap: 15px; padding-top: 16px; border-top: 1px solid rgba(255,255,255,.13); color: #a99ba9; font-size: 11px; }
        @media (min-width: 1440px) { :root { --container: 1240px; } }
        @media (max-width: 1200px) {
            .latest-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
            .hero-panel { padding: 42px; }
            .container { width: min(var(--container), calc(100% - 40px)); }
        }
        @media (max-width: 992px) {
            .nav-links { gap: 0; }
            .nav-links a { padding: 8px; font-size: 13px; }
            .hero-panel { grid-template-columns: 1fr .7fr; gap: 25px; }
            .latest-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
            .rank-layout { grid-template-columns: 1fr; }
            .rank-aside { display: grid; grid-template-columns: auto 1fr; align-items: center; column-gap: 18px; }
            .rank-aside p { grid-column: 2; }
            .assurance { grid-template-columns: repeat(2, 1fr); gap: 25px; }
            .assurance-item + .assurance-item { padding-left: 0; border-left: 0; }
            .assurance-item:nth-child(even) { padding-left: 22px; border-left: 1px solid var(--line); }
        }
        @media (max-width: 768px) {
            html { scroll-padding-top: 76px; }
            .nav-wrap { min-height: 68px; }
            .menu-toggle { display: block; }
            .nav-links { display: none; position: absolute; top: 68px; left: 0; right: 0; padding: 12px 20px 18px; border-bottom: 1px solid var(--line); background: var(--paper); box-shadow: 0 12px 18px rgba(52,36,61,.08); }
            .nav-links.is-open { display: grid; grid-template-columns: 1fr 1fr; }
            .nav-links a { padding: 10px 12px; font-size: 14px; }
            .nav-links .nav-action { grid-column: 1 / -1; text-align: center; }
            .hero { padding-top: 28px; }
            .hero-panel { min-height: auto; padding: 34px 28px; grid-template-columns: 1fr; gap: 28px; }
            .hero-index { padding: 17px 0 0; border-left: 0; border-top: 1px solid rgba(255,255,255,.22); }
            .hero-index strong { font-size: 22px; }
            .section { padding: 52px 0; }
            .section-heading { align-items: start; flex-direction: column; gap: 12px; }
            .section-heading p { max-width: 620px; }
            .matrix { grid-template-columns: 1fr 1fr; grid-template-rows: auto; }
            .matrix-item:first-child { grid-row: auto; min-height: 190px; }
            .matrix-item:nth-child(4) { grid-column: auto; }
            .popular-layout { grid-template-columns: 1fr; }
            .feature-pick { min-height: 285px; }
            .timeline { grid-template-columns: repeat(2, 1fr); row-gap: 20px; }
            .news-layout { grid-template-columns: 1fr; }
            .quick-answers { grid-template-columns: repeat(2, 1fr); }
            .contact-grid { grid-template-columns: 1fr; gap: 24px; }
            .footer-grid { grid-template-columns: repeat(2, 1fr); }
        }
        @media (max-width: 576px) {
            .container { width: calc(100% - 32px); }
            .brand { font-size: 17px; }
            .brand-mark { width: 38px; height: 38px; }
            h1 { font-size: 39px; }
            .hero-panel { padding: 29px 22px; border-radius: 16px; }
            .hero-copy { font-size: 14px; }
            .hero-actions { gap: 9px; }
            .button { flex: 1 1 auto; min-height: 46px; padding: 9px 13px; }
            .stats-band { grid-template-columns: repeat(2, 1fr); }
            .stat { min-height: 116px; padding: 17px; }
            .stat:nth-child(2) { border-right: 0; }
            .stat:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
            .stat strong { font-size: 26px; }
            .latest-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 11px; }
            .cover { aspect-ratio: 1.22 / 1; padding: 11px; }
            .cover-art { font-size: 24px; }
            .card-body { padding: 12px; }
            .content-card h3 { font-size: 13px; }
            .card-meta { align-items: start; }
            .badge { padding: 2px 6px; font-size: 10px; }
            .matrix { grid-template-columns: 1fr 1fr; gap: 9px; }
            .matrix-item { min-height: 155px; padding: 15px; }
            .matrix-item:first-child { min-height: 175px; }
            .matrix-item:first-child h3 { font-size: 20px; }
            .matrix-item h3 { font-size: 15px; }
            .matrix-item p { font-size: 12px; }
            .popular-side { gap: 9px; }
            .popular-item { min-height: 158px; padding: 13px; }
            .rank-row { grid-template-columns: 28px minmax(0, 1fr) 56px 48px; gap: 8px; }
            .rank-row .rank-type { display: none; }
            .rank-name { font-size: 12px; }
            .rank-rating, .rank-heat { font-size: 11px; }
            .rank-aside { padding: 16px; }
            .timeline { grid-template-columns: 1fr 1fr; }
            .timeline-item { padding-right: 12px; }
            .news-item { grid-template-columns: 76px minmax(0, 1fr); gap: 12px; }
            .news-thumb { width: 76px; }
            .assurance { gap: 22px 14px; }
            .assurance-item, .assurance-item:nth-child(even) { padding: 0; border: 0; }
            .quick-answers { gap: 8px; }
            .quick-item { padding: 12px; }
            .contact-form { grid-template-columns: 1fr; }
            .field-wide, .form-foot { grid-column: auto; }
            .footer-grid { gap: 25px 18px; }
            .footer-bottom { flex-direction: column; }
        }
        @media (max-width: 375px) {
            .container { width: calc(100% - 24px); }
            h1 { font-size: 35px; }
            .latest-grid { gap: 8px; }
            .card-body { padding: 10px; }
            .matrix { grid-template-columns: 1fr; }
            .matrix-item:first-child { min-height: 160px; }
            .popular-side { grid-template-columns: 1fr 1fr; }
            .rank-row { grid-template-columns: 25px minmax(0, 1fr) 44px 40px; gap: 6px; }
            .rank-aside { display: block; }
            .rank-aside p { margin-top: 8px; }
        }
        @media (prefers-reduced-motion: reduce) {
            *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; }
        }

/* roulang page: category1 */
:root {
      --ink: #302b2a;
      --muted: #746d67;
      --paper: #fff8ed;
      --surface: #fffdf8;
      --line: #e9dfd0;
      --amber: #e7a83b;
      --amber-dark: #ad6d13;
      --plum: #34243d;
      --coral: #d9664f;
      --green: #4f7961;
      --radius: 16px;
      --shadow: 0 12px 34px rgba(52, 36, 61, .08);
      --container: 1240px;
    }
    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; scroll-padding-top: 92px; }
    body {
      margin: 0;
      color: var(--ink);
      background: var(--paper);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
      font-size: 16px;
      line-height: 1.75;
      -webkit-font-smoothing: antialiased;
    }
    a { color: inherit; text-decoration: none; }
    a:hover { color: var(--amber-dark); }
    img { display: block; max-width: 100%; }
    button, input, select, textarea { font: inherit; }
    button, a, input, select, textarea { -webkit-tap-highlight-color: transparent; }
    :focus-visible { outline: 3px solid rgba(217, 102, 79, .65); outline-offset: 3px; }
    .container { width: min(var(--container), calc(100% - 48px)); margin: 0 auto; }
    .site-header {
      position: sticky; z-index: 20; top: 0;
      background: rgba(255, 248, 237, .94);
      border-bottom: 1px solid rgba(233, 223, 208, .88);
      backdrop-filter: blur(14px);
    }
    .nav-wrap { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
    .brand, .footer-brand { display: inline-flex; align-items: center; gap: 11px; flex: 0 0 auto; font-weight: 800; font-size: 19px; }
    .brand-mark {
      width: 42px; height: 42px; display: grid; place-items: center;
      color: var(--plum); background: var(--amber); border-radius: 12px;
      font-size: 17px; font-weight: 900; box-shadow: inset 0 -3px rgba(130, 78, 10, .14);
    }
    .nav-links { display: flex; align-items: center; gap: 6px; }
    .nav-links a { padding: 9px 12px; border-radius: 9px; color: #625b56; font-size: 14px; transition: .2s ease; }
    .nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--plum); background: #f4e9d7; }
    .nav-links .nav-action { color: var(--plum); background: var(--amber); font-weight: 750; }
    .nav-links .nav-action:hover { color: var(--plum); background: #f0ba52; }
    .menu-toggle {
      display: none; border: 1px solid var(--line); background: var(--surface);
      color: var(--plum); border-radius: 10px; width: 44px; height: 44px; cursor: pointer;
    }
    .menu-toggle span, .menu-toggle::before, .menu-toggle::after {
      content: ""; display: block; width: 18px; height: 2px; background: currentColor; margin: 4px auto; transition: .2s;
    }
    .page-intro { padding: 48px 0 34px; }
    .intro-panel {
      display: grid; grid-template-columns: minmax(0, 1fr) 310px; align-items: end; gap: 40px;
      padding: 38px 44px; border: 1px solid var(--line); border-radius: 20px;
      background: var(--surface); box-shadow: 0 8px 24px rgba(52, 36, 61, .04);
    }
    .eyebrow { display: inline-flex; align-items: center; gap: 9px; color: var(--amber-dark); font-size: 13px; font-weight: 800; }
    .eyebrow::before { content: ""; width: 22px; height: 2px; background: currentColor; }
    h1, h2, h3, p { margin-top: 0; }
    h1 { max-width: 760px; margin-bottom: 10px; color: var(--plum); font-size: clamp(34px, 4vw, 49px); line-height: 1.2; }
    .intro-copy { max-width: 720px; margin-bottom: 0; color: var(--muted); }
    .intro-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
    .intro-stat { min-height: 96px; padding: 16px; border-left: 3px solid var(--amber); background: #fbf1e2; }
    .intro-stat strong { display: block; color: var(--plum); font-size: 27px; line-height: 1.2; }
    .intro-stat span { color: var(--muted); font-size: 12px; }
    .section { padding: 58px 0; border-top: 1px solid rgba(233,223,208,.78); }
    .section-soft { background: #fbf1e2; }
    .section-dark { color: #fffaf1; background: var(--plum); border: 0; }
    .section-heading { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: 24px; }
    .section-heading > div { max-width: 720px; }
    .kicker { margin-bottom: 6px; color: var(--amber-dark); font-size: 12px; font-weight: 800; }
    .section-dark .kicker { color: #efbd5c; }
    h2 { margin-bottom: 5px; color: var(--plum); font-size: 28px; line-height: 1.35; }
    .section-dark h2 { color: #fffaf1; }
    .section-heading p { max-width: 470px; margin: 0; color: var(--muted); font-size: 14px; }
    .section-dark .section-heading p { color: #cbbdc9; }
    .filter-bar { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; padding: 14px 16px; border: 1px solid var(--line); background: var(--surface); border-radius: 12px; }
    .filter-label { margin-right: 4px; color: var(--muted); font-size: 13px; font-weight: 700; }
    .filter-chip { padding: 6px 13px; border: 1px solid var(--line); border-radius: 999px; color: #625b56; font-size: 13px; background: #fffaf2; }
    .filter-chip.active { color: var(--plum); border-color: #e2bc72; background: #f7e7c8; font-weight: 750; }
    .filter-meta { margin-left: auto; color: var(--muted); font-size: 12px; }
    .listing-layout { display: grid; grid-template-columns: minmax(0, 1fr) 292px; gap: 28px; align-items: start; }
    .story-list { display: grid; gap: 13px; }
    .story-row {
      min-width: 0; display: grid; grid-template-columns: 150px minmax(0, 1fr) auto; align-items: center; gap: 19px;
      padding: 14px; border: 1px solid var(--line); border-radius: 14px; background: var(--surface);
      transition: border-color .2s, transform .2s, box-shadow .2s;
    }
    .story-row:hover { transform: translateY(-2px); border-color: #d6b978; box-shadow: var(--shadow); }
    .story-cover { position: relative; overflow: hidden; aspect-ratio: 4 / 3; display: grid; place-items: center; border-radius: 9px; color: #fffaf1; }
    .story-cover::after { content: ""; position: absolute; inset: 0; background: linear-gradient(135deg, transparent 30%, rgba(48,43,42,.28)); }
    .story-cover span { position: relative; z-index: 1; font-size: 13px; font-weight: 800; }
    .cover-amber { background: linear-gradient(135deg, #b9683c, #e7b76d); }
    .cover-plum { background: linear-gradient(135deg, #34243d, #80586c); }
    .cover-teal { background: linear-gradient(135deg, #3e7776, #9ab7a0); }
    .cover-coral { background: linear-gradient(135deg, #b95c52, #e8a77c); }
    .cover-green { background: linear-gradient(135deg, #476b55, #9fb58a); }
    .cover-violet { background: linear-gradient(135deg, #65516f, #b48d9d); }
    .story-main { min-width: 0; }
    .story-tags { display: flex; flex-wrap: wrap; gap: 7px; margin-bottom: 5px; }
    .badge { display: inline-flex; align-items: center; padding: 3px 8px; border-radius: 5px; color: #75500f; background: #f7e8c8; font-size: 11px; font-weight: 750; }
    .badge.green { color: #365e47; background: #e3eee4; }
    .badge.coral { color: #944638; background: #f8e5df; }
    .story-main h3 { margin: 0 0 5px; color: var(--plum); font-size: 18px; line-height: 1.45; }
    .story-main p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.65; }
    .story-date { margin-top: 7px; color: #91877f; font-size: 11px; }
    .story-score { min-width: 58px; text-align: center; color: var(--amber-dark); font-size: 18px; font-weight: 850; }
    .story-score small { display: block; color: var(--muted); font-size: 10px; font-weight: 500; }
    .more-link { min-height: 46px; display: flex; align-items: center; justify-content: center; gap: 8px; margin-top: 14px; border: 1px dashed #d7c8b2; border-radius: 10px; color: var(--plum); font-size: 13px; font-weight: 750; }
    .more-link:hover { border-color: var(--amber-dark); background: #fffaf2; }
    .side-panel { padding: 20px; border-radius: 14px; color: #fffaf1; background: var(--plum); }
    .side-panel h3 { margin-bottom: 4px; color: #fffaf1; font-size: 18px; }
    .side-panel > p { margin-bottom: 18px; color: #cbbdc9; font-size: 12px; }
    .rank-list { margin: 0; padding: 0; list-style: none; }
    .rank-list li { display: grid; grid-template-columns: 25px minmax(0, 1fr) auto; gap: 9px; align-items: center; padding: 11px 0; border-top: 1px solid rgba(255,255,255,.13); }
    .rank-num { color: #efbd5c; font-size: 13px; font-weight: 850; }
    .rank-name { min-width: 0; color: #f8efe5; font-size: 12px; line-height: 1.45; }
    .rank-value { color: #e8c77f; font-size: 11px; }
    .rank-track { grid-column: 2 / 4; height: 3px; overflow: hidden; border-radius: 4px; background: rgba(255,255,255,.14); }
    .rank-track span { display: block; height: 100%; border-radius: inherit; background: var(--amber); }
    .theme-grid { display: grid; grid-template-columns: 1.2fr .8fr 1fr 1fr; gap: 12px; }
    .theme-item { min-height: 135px; padding: 18px; border: 1px solid var(--line); background: var(--surface); border-radius: 12px; }
    .theme-item:first-child { background: var(--plum); color: #fffaf1; }
    .theme-index { display: block; margin-bottom: 15px; color: var(--amber-dark); font-size: 11px; font-weight: 850; }
    .theme-item:first-child .theme-index { color: #efbd5c; }
    .theme-item h3 { margin-bottom: 5px; color: var(--plum); font-size: 16px; }
    .theme-item:first-child h3 { color: #fffaf1; }
    .theme-item p { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.6; }
    .theme-item:first-child p { color: #d8cbd4; }
    .news-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 30px; }
    .news-item { display: grid; grid-template-columns: 58px minmax(0, 1fr); gap: 14px; align-items: center; padding: 15px 0; border-bottom: 1px solid var(--line); }
    .news-date { color: var(--amber-dark); font-size: 12px; font-weight: 800; line-height: 1.4; }
    .news-item h3 { margin: 0 0 3px; color: var(--plum); font-size: 14px; line-height: 1.5; }
    .news-item p { margin: 0; color: var(--muted); font-size: 11px; }
    .faq-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 11px 18px; }
    details.faq-item { border: 1px solid var(--line); border-radius: 10px; background: var(--surface); }
    .faq-item summary { position: relative; padding: 14px 42px 14px 16px; color: var(--plum); font-size: 14px; font-weight: 750; cursor: pointer; list-style: none; }
    .faq-item summary::-webkit-details-marker { display: none; }
    .faq-item summary::after { content: "+"; position: absolute; right: 16px; top: 10px; color: var(--amber-dark); font-size: 22px; font-weight: 400; }
    .faq-item[open] summary::after { content: "−"; }
    .faq-answer { padding: 0 16px 14px; color: var(--muted); font-size: 13px; }
    .faq-answer p { margin: 0; }
    .cta-band { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 25px 28px; border-radius: 14px; color: #fffaf1; background: var(--plum); }
    .cta-band h2 { margin: 0 0 4px; color: #fffaf1; font-size: 22px; }
    .cta-band p { margin: 0; color: #d8cbd4; font-size: 13px; }
    .button { min-height: 46px; display: inline-flex; align-items: center; justify-content: center; gap: 9px; padding: 10px 18px; border: 1px solid transparent; border-radius: 10px; font-weight: 750; font-size: 14px; transition: transform .2s, background .2s, border-color .2s; }
    .button:hover { transform: translateY(-2px); }
    .button-primary { color: var(--plum); background: var(--amber); }
    .button-primary:hover { color: var(--plum); background: #f0ba52; }
    .site-footer { padding: 48px 0 20px; color: #eee3d8; background: #2b2031; }
    .footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 32px; padding-bottom: 32px; }
    .footer-brand { color: #fffaf1; }
    .footer-brand .brand-mark { width: 38px; height: 38px; }
    .site-footer p { max-width: 340px; margin: 14px 0 0; color: #cbbdc9; font-size: 13px; line-height: 1.75; }
    .footer-col { display: flex; flex-direction: column; align-items: flex-start; gap: 7px; }
    .footer-col h3 { margin: 0 0 5px; color: #efbd5c; font-size: 13px; }
    .footer-col a, .footer-col span { color: #cbbdc9; font-size: 12px; }
    .footer-col a:hover { color: #fffaf1; }
    .footer-bottom { display: flex; justify-content: space-between; gap: 20px; padding-top: 17px; border-top: 1px solid rgba(255,255,255,.14); color: #aa9ba9; font-size: 11px; }
    @media (min-width: 1440px) { .container { width: min(var(--container), calc(100% - 64px)); } }
    @media (max-width: 1200px) {
      .nav-wrap { gap: 12px; }
      .nav-links a { padding: 8px 9px; font-size: 13px; }
      .listing-layout { grid-template-columns: minmax(0, 1fr) 270px; gap: 20px; }
      .theme-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    }
    @media (max-width: 992px) {
      .intro-panel { grid-template-columns: minmax(0, 1fr) 240px; gap: 24px; padding: 32px; }
      .listing-layout { grid-template-columns: 1fr; }
      .side-panel { display: grid; grid-template-columns: 1fr 1.6fr; gap: 0 22px; }
      .side-panel h3, .side-panel > p { grid-column: 1; }
      .rank-list { grid-column: 2; grid-row: 1 / span 2; display: grid; grid-template-columns: 1fr 1fr; column-gap: 18px; }
      .news-list { gap: 0 22px; }
      .footer-grid { grid-template-columns: 1.3fr 1fr 1fr; }
      .footer-grid > :last-child { display: none; }
    }
    @media (max-width: 768px) {
      .container { width: min(100% - 36px, var(--container)); }
      .nav-wrap { min-height: 68px; }
      .menu-toggle { display: block; }
      .nav-links {
        display: none; position: absolute; top: 68px; left: 0; right: 0; padding: 12px 18px 18px;
        flex-direction: column; align-items: stretch; gap: 4px; border-bottom: 1px solid var(--line);
        background: var(--paper); box-shadow: 0 12px 20px rgba(52,36,61,.08);
      }
      .nav-links.is-open { display: flex; }
      .nav-links a { padding: 11px 13px; font-size: 14px; }
      .page-intro { padding: 30px 0 24px; }
      .intro-panel { grid-template-columns: 1fr; gap: 22px; padding: 27px; }
      h1 { font-size: 35px; }
      .intro-stats { max-width: 440px; }
      .section { padding: 45px 0; }
      .section-heading { align-items: flex-start; flex-direction: column; gap: 8px; margin-bottom: 19px; }
      .story-row { grid-template-columns: 118px minmax(0, 1fr); gap: 13px; }
      .story-score { grid-column: 2; grid-row: 1; justify-self: end; align-self: start; margin-top: 2px; font-size: 15px; }
      .story-main { padding-right: 48px; }
      .story-main h3 { font-size: 16px; }
      .side-panel { display: block; }
      .rank-list { display: grid; grid-template-columns: 1fr 1fr; column-gap: 18px; }
      .news-list { grid-template-columns: 1fr; }
      .faq-list { grid-template-columns: 1fr; }
      .footer-grid { grid-template-columns: 1fr 1fr; }
      .footer-grid > :last-child { display: flex; }
    }
    @media (max-width: 576px) {
      .container { width: calc(100% - 32px); }
      .brand { font-size: 17px; }
      .brand-mark { width: 39px; height: 39px; }
      .intro-panel { padding: 23px 20px; }
      h1 { font-size: 31px; }
      .intro-copy { font-size: 14px; }
      .intro-stats { gap: 8px; }
      .intro-stat { min-height: 82px; padding: 12px; }
      .intro-stat strong { font-size: 23px; }
      h2 { font-size: 24px; }
      .filter-bar { gap: 7px; padding: 12px; }
      .filter-meta { width: 100%; margin-left: 0; }
      .story-row { grid-template-columns: 94px minmax(0, 1fr); gap: 11px; padding: 10px; }
      .story-cover { border-radius: 7px; }
      .story-main { padding-right: 42px; }
      .story-main h3 { font-size: 14px; }
      .story-main p { font-size: 12px; }
      .story-date { font-size: 10px; }
      .story-score { min-width: 39px; font-size: 13px; }
      .story-score small { font-size: 9px; }
      .theme-grid { grid-template-columns: 1fr 1fr; gap: 9px; }
      .theme-item { min-height: 130px; padding: 14px; }
      .theme-item h3 { font-size: 14px; }
      .theme-item p { font-size: 11px; }
      .rank-list { grid-template-columns: 1fr; }
      .cta-band { align-items: flex-start; flex-direction: column; padding: 22px; }
      .footer-grid { grid-template-columns: 1fr 1fr; gap: 25px 18px; }
      .footer-grid > :first-child { grid-column: 1 / -1; }
      .footer-bottom { flex-direction: column; gap: 5px; }
    }
    @media (max-width: 375px) {
      .container { width: calc(100% - 28px); }
      .story-row { grid-template-columns: 82px minmax(0, 1fr); }
      .story-main { padding-right: 36px; }
      .theme-grid { grid-template-columns: 1fr; }
      .theme-item { min-height: 0; }
    }
    @media (prefers-reduced-motion: reduce) {
      *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; }
    }