/* roulang page: index */
:root {
            --ink: #171316;
            --ink-soft: #211b20;
            --panel: #282127;
            --panel-light: #302831;
            --berry: #713949;
            --berry-bright: #a84f69;
            --mint: #b6d5cb;
            --mint-strong: #8ab8a8;
            --text: #f5f0f2;
            --muted: #b9adb4;
            --line: rgba(244, 227, 235, .14);
            --line-strong: rgba(244, 227, 235, .23);
            --radius: 8px;
            --shadow: 0 12px 30px rgba(0, 0, 0, .22);
            --container: 1200px;
        }
        *, *::before, *::after { box-sizing: border-box; }
        html { scroll-behavior: smooth; scroll-padding-top: 88px; }
        body {
            margin: 0;
            color: var(--text);
            background: var(--ink);
            font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
            font-size: 15px;
            line-height: 1.72;
            text-rendering: optimizeLegibility;
        }
        a { color: inherit; text-decoration: none; }
        a:hover { color: var(--mint); }
        button, input { font: inherit; }
        button { color: inherit; }
        img { display: block; max-width: 100%; }
        :focus-visible { outline: 3px solid var(--mint); outline-offset: 3px; }
        .container-xl { max-width: var(--container); }
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(23, 19, 22, .96);
            border-bottom: 1px solid var(--line);
            backdrop-filter: blur(12px);
        }
        .navbar { min-height: 76px; padding: 10px 0; }
        .brand-lockup { display: inline-flex; align-items: center; gap: 11px; min-width: 0; }
        .brand-mark {
            width: 42px; height: 42px; flex: 0 0 auto; display: grid; place-items: center;
            color: var(--mint); border: 1px solid rgba(182, 213, 203, .55);
            border-radius: 7px; background: #252025;
        }
        .brand-mark svg { width: 23px; height: 23px; }
        .brand-name { max-width: 245px; font-weight: 750; font-size: 15px; line-height: 1.25; color: var(--text); }
        .navbar-nav { gap: 4px; align-items: center; }
        .nav-link {
            color: var(--muted); padding: 9px 11px !important; border-radius: 5px;
            font-size: 13px; transition: color .18s ease, background .18s ease;
        }
        .nav-link:hover, .nav-link.active { color: var(--text); background: rgba(182, 213, 203, .09); }
        .nav-link.active::after { content: ""; display: block; height: 2px; margin-top: 4px; background: var(--mint); }
        .nav-cta, .btn-primary-custom, .btn-outline-custom {
            min-height: 44px; display: inline-flex; justify-content: center; align-items: center; gap: 9px;
            padding: 10px 17px; border-radius: 5px; font-weight: 700; font-size: 14px;
            transition: background .18s ease, border-color .18s ease, color .18s ease, transform .18s ease;
        }
        .nav-cta, .btn-primary-custom { color: #171b19; background: var(--mint); border: 1px solid var(--mint); }
        .nav-cta:hover, .btn-primary-custom:hover { color: #101413; background: #d0e4dc; border-color: #d0e4dc; transform: translateY(-1px); }
        .btn-outline-custom { color: var(--text); border: 1px solid var(--line-strong); background: rgba(23, 19, 22, .4); }
        .btn-outline-custom:hover { color: var(--mint); border-color: var(--mint); background: rgba(182, 213, 203, .07); }
        .navbar-toggler { border-color: var(--line-strong); padding: 8px 10px; }
        .navbar-toggler-icon { filter: invert(1) grayscale(1); }
        main { padding-bottom: 90px; }
        .hero {
            min-height: 520px; position: relative; overflow: hidden; display: flex; align-items: center;
            background: #201a1e url("<?= e($heroImage) ?>") center 44% / cover no-repeat;
            isolation: isolate;
        }
        .hero::before {
            content: ""; position: absolute; inset: 0; z-index: -1;
            background: linear-gradient(90deg, rgba(20,16,19,.94) 0%, rgba(20,16,19,.76) 43%, rgba(20,16,19,.22) 100%),
                        linear-gradient(0deg, rgba(20,16,19,.82), transparent 55%);
        }
        .hero-content { max-width: 760px; padding-top: 52px; padding-bottom: 70px; }
        .eyebrow { color: var(--mint); font-size: 12px; font-weight: 750; letter-spacing: 1px; text-transform: uppercase; }
        .hero h1 { max-width: 700px; margin: 16px 0 10px; font-size: clamp(36px, 5vw, 58px); line-height: 1.2; font-weight: 800; }
        .hero h1 span { color: var(--mint); }
        .hero-subtitle { margin: 0 0 14px; font-size: 19px; color: #e7dce2; }
        .hero-copy { max-width: 620px; margin: 0 0 24px; color: #d2c7ce; font-size: 15px; }
        .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
        .hero-note { display: flex; gap: 10px; align-items: center; margin-top: 24px; color: #d3c8ce; font-size: 12px; }
        .note-rule { width: 34px; height: 1px; background: var(--mint); }
        .section { padding: 70px 0; border-bottom: 1px solid var(--line); }
        .section-alt { background: #1d191d; }
        .section-deep { background: #21191e; }
        .section-head { display: flex; justify-content: space-between; align-items: end; gap: 24px; margin-bottom: 28px; }
        .section-kicker { margin-bottom: 7px; color: var(--mint-strong); font-size: 11px; font-weight: 750; letter-spacing: 1px; }
        .section-title { margin: 0; font-size: 27px; line-height: 1.35; font-weight: 760; }
        .section-desc { max-width: 690px; margin: 9px 0 0; color: var(--muted); font-size: 14px; }
        .text-link { color: var(--mint); font-size: 13px; font-weight: 700; white-space: nowrap; }
        .text-link:hover { color: #e0f3eb; }
        .benefits { display: grid; grid-template-columns: repeat(3, 1fr); }
        .benefit { display: flex; gap: 16px; padding: 12px 26px; border-right: 1px solid var(--line); }
        .benefit:first-child { padding-left: 0; }
        .benefit:last-child { border-right: 0; }
        .benefit-icon { flex: 0 0 40px; width: 40px; height: 40px; display: grid; place-items: center; color: var(--mint); border: 1px solid var(--line-strong); border-radius: 6px; }
        .benefit-icon svg { width: 20px; height: 20px; }
        .benefit h3 { margin: 0 0 4px; font-size: 15px; }
        .benefit p { margin: 0; color: var(--muted); font-size: 13px; }
        .media-grid { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 18px 14px; }
        .media-card { min-width: 0; }
        .media-image-wrap { position: relative; overflow: hidden; aspect-ratio: 3 / 4; background: #332b31; border: 1px solid var(--line); border-radius: var(--radius); }
        .media-image-wrap img { width: 100%; height: 100%; object-fit: cover; transition: transform .35s ease; }
        .media-card:hover .media-image-wrap img { transform: scale(1.035); }
        .media-image-wrap::after { content: ""; position: absolute; inset: 38% 0 0; background: linear-gradient(transparent, rgba(15,12,14,.52)); pointer-events: none; }
        .media-badge { position: absolute; top: 9px; left: 9px; z-index: 1; padding: 3px 7px; color: #f8f4f6; background: rgba(25,20,24,.86); border: 1px solid rgba(255,255,255,.18); border-radius: 3px; font-size: 10px; line-height: 1.5; }
        .media-info { padding: 10px 1px 0; }
        .media-title { overflow: hidden; margin: 0 0 4px; font-weight: 700; font-size: 14px; white-space: nowrap; text-overflow: ellipsis; }
        .media-meta { display: flex; justify-content: space-between; gap: 5px; color: var(--muted); font-size: 11px; }
        .rating { color: #d7c694; font-weight: 700; white-space: nowrap; }
        .scene-grid { display: grid; grid-template-columns: 1.12fr .88fr; gap: 25px; align-items: stretch; }
        .scene-main { position: relative; min-height: 350px; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius); }
        .scene-main img { width: 100%; height: 100%; min-height: 350px; object-fit: cover; }
        .scene-caption { position: absolute; inset: auto 0 0; padding: 24px; background: linear-gradient(transparent, rgba(13,10,12,.94)); }
        .scene-caption h3 { margin: 0 0 5px; font-size: 21px; }
        .scene-caption p { margin: 0; color: #d2c8ce; font-size: 13px; }
        .scene-options { display: flex; flex-direction: column; border-top: 1px solid var(--line); }
        .scene-option { display: flex; justify-content: space-between; gap: 20px; padding: 19px 0; border-bottom: 1px solid var(--line); }
        .scene-option h3 { margin: 0 0 4px; font-size: 15px; }
        .scene-option p { margin: 0; color: var(--muted); font-size: 13px; }
        .scene-tag { align-self: center; color: var(--mint); font-size: 11px; white-space: nowrap; }
        .popular-rail { display: grid; grid-template-columns: 1.2fr 1fr 1fr; gap: 14px; }
        .popular-feature { grid-row: span 2; }
        .popular-card { position: relative; min-height: 180px; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius); }
        .popular-card img { width: 100%; height: 100%; min-height: 180px; object-fit: cover; transition: transform .35s ease; }
        .popular-card:hover img { transform: scale(1.03); }
        .popular-feature img { min-height: 375px; }
        .popular-card::after { content: ""; position: absolute; inset: 35% 0 0; background: linear-gradient(transparent, rgba(13,10,12,.92)); }
        .popular-overlay { position: absolute; z-index: 1; inset: auto 16px 15px; }
        .popular-overlay h3 { margin: 0 0 3px; font-size: 16px; }
        .popular-overlay p { margin: 0; color: #d2c8ce; font-size: 11px; }
        .feedback-band { display: grid; grid-template-columns: 1.1fr .9fr; gap: 40px; align-items: center; }
        .feedback-quote { margin: 0; max-width: 650px; color: #eee5e9; font-size: 21px; line-height: 1.65; }
        .feedback-quote strong { color: var(--mint); font-weight: 700; }
        .feedback-labels { display: flex; flex-wrap: wrap; gap: 9px; }
        .tag { display: inline-flex; align-items: center; min-height: 31px; padding: 5px 10px; color: #d8cbd2; background: rgba(255,255,255,.035); border: 1px solid var(--line-strong); border-radius: 4px; font-size: 12px; }
        .category-list { border-top: 1px solid var(--line); }
        .category-row { display: grid; grid-template-columns: 56px 1fr 1.5fr auto; align-items: center; gap: 18px; padding: 19px 0; border-bottom: 1px solid var(--line); transition: padding .18s ease, background .18s ease; }
        .category-row:hover { padding-left: 9px; background: rgba(182, 213, 203, .025); }
        .category-index { color: var(--berry-bright); font: 700 13px/1 system-ui, sans-serif; }
        .category-row h3 { margin: 0; font-size: 17px; }
        .category-row p { margin: 0; color: var(--muted); font-size: 13px; }
        .category-arrow { color: var(--mint); font-size: 18px; }
        .compare-wrap { display: grid; grid-template-columns: 1fr 1fr; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
        .compare-col { padding: 25px 27px; }
        .compare-col + .compare-col { border-left: 1px solid var(--line); background: rgba(182,213,203,.035); }
        .compare-col h3 { margin: 0 0 15px; font-size: 16px; }
        .compare-list { list-style: none; margin: 0; padding: 0; }
        .compare-list li { position: relative; padding: 10px 0 10px 21px; color: #d1c7cd; border-top: 1px solid var(--line); font-size: 13px; }
        .compare-list li::before { content: ""; position: absolute; left: 1px; top: 19px; width: 7px; height: 7px; border: 1px solid var(--mint-strong); border-radius: 50%; }
        .rank-layout { display: grid; grid-template-columns: 1fr 1fr; column-gap: 34px; }
        .rank-row { display: grid; grid-template-columns: 34px minmax(0,1fr) 84px 45px; align-items: center; gap: 10px; min-height: 59px; border-bottom: 1px solid var(--line); }
        .rank-number { color: var(--muted); font-size: 13px; font-variant-numeric: tabular-nums; }
        .rank-number.top { color: var(--mint); font-weight: 800; }
        .rank-name { overflow: hidden; font-size: 14px; font-weight: 650; text-overflow: ellipsis; white-space: nowrap; }
        .rank-category { color: var(--muted); font-size: 11px; }
        .rank-score { color: #d7c694; font-size: 12px; text-align: right; }
        .rank-heat { color: var(--muted); font-size: 11px; text-align: right; }
        .topic-index { display: grid; grid-template-columns: 1.1fr .9fr; gap: 36px; align-items: center; }
        .topic-image { overflow: hidden; aspect-ratio: 16 / 9; border: 1px solid var(--line); border-radius: var(--radius); }
        .topic-image img { width: 100%; height: 100%; object-fit: cover; }
        .topic-links { border-top: 1px solid var(--line); }
        .topic-link { display: flex; justify-content: space-between; gap: 16px; padding: 15px 0; border-bottom: 1px solid var(--line); }
        .topic-link span:first-child { font-weight: 650; }
        .topic-link small { color: var(--muted); }
        .news-grid { display: grid; grid-template-columns: 1.2fr 1fr 1fr; gap: 18px; }
        .news-card { overflow: hidden; background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); }
        .news-card img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }
        .news-body { padding: 15px; }
        .news-date { color: var(--mint-strong); font-size: 11px; }
        .news-body h3 { margin: 7px 0 6px; font-size: 15px; line-height: 1.5; }
        .news-body p { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.7; }
        .timeline { position: relative; display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; padding-top: 22px; }
        .timeline::before { content: ""; position: absolute; top: 7px; left: 4px; right: 4px; height: 1px; background: var(--line-strong); }
        .timeline-item { position: relative; padding-top: 4px; }
        .timeline-item::before { content: ""; position: absolute; top: -19px; left: 0; width: 10px; height: 10px; border: 2px solid var(--mint); border-radius: 50%; background: var(--ink); }
        .timeline-state { display: inline-block; margin-bottom: 8px; color: var(--mint); font-size: 11px; font-weight: 700; }
        .timeline-item h3 { margin: 0 0 4px; font-size: 14px; }
        .timeline-item p { margin: 0; color: var(--muted); font-size: 12px; }
        .accordion-item { color: var(--text); background: transparent; border: 0; border-bottom: 1px solid var(--line); }
        .accordion-button { padding: 18px 4px; color: var(--text); background: transparent; box-shadow: none !important; font-size: 15px; font-weight: 700; }
        .accordion-button:not(.collapsed) { color: var(--mint); background: transparent; }
        .accordion-button::after { filter: invert(.85) sepia(.2) saturate(.4); }
        .accordion-body { padding: 0 36px 18px 4px; color: var(--muted); font-size: 13px; }
        .guide-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
        .guide-item { display: grid; grid-template-columns: 35px 1fr; gap: 13px; padding-top: 14px; border-top: 1px solid var(--line-strong); }
        .guide-number { color: var(--mint); font-size: 20px; font-weight: 800; }
        .guide-item h3 { margin: 2px 0 5px; font-size: 14px; }
        .guide-item p { margin: 0; color: var(--muted); font-size: 12px; }
        .info-questions { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
        .info-question { padding: 17px 0 0; border-top: 1px solid var(--line-strong); }
        .info-question h3 { margin: 0 0 7px; font-size: 14px; }
        .info-question p { margin: 0; color: var(--muted); font-size: 12px; }
        .assurance-strip { display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid var(--line); border-radius: var(--radius); }
        .assurance-item { padding: 17px 18px; border-right: 1px solid var(--line); }
        .assurance-item:last-child { border: 0; }
        .assurance-item strong { display: block; margin-bottom: 3px; color: var(--mint); font-size: 13px; }
        .assurance-item span { color: var(--muted); font-size: 11px; }
        .related-topics { display: grid; grid-template-columns: 1.35fr 1fr 1fr 1fr; gap: 12px; }
        .related-topic { position: relative; min-height: 140px; overflow: hidden; padding: 18px; display: flex; flex-direction: column; justify-content: end; border: 1px solid var(--line); border-radius: var(--radius); background: #2a2228; }
        .related-topic img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: .55; transition: transform .3s ease, opacity .3s ease; }
        .related-topic:hover img { transform: scale(1.04); opacity: .72; }
        .related-topic::after { content: ""; position: absolute; inset: 30% 0 0; background: linear-gradient(transparent, rgba(16,13,15,.9)); }
        .related-topic span { z-index: 1; font-weight: 700; }
        .related-topic small { z-index: 1; color: #d2c8ce; font-size: 11px; }
        .footer { padding: 48px 0 22px; background: #141114; border-top: 1px solid var(--line); }
        .footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 30px; }
        .footer-brand { max-width: 290px; }
        .footer-brand p { margin: 13px 0 0; color: var(--muted); font-size: 12px; }
        .footer-col h2 { margin: 3px 0 13px; color: #e7dce2; font-size: 13px; }
        .footer-col a, .footer-col span { display: block; width: fit-content; margin: 7px 0; color: var(--muted); font-size: 12px; }
        .footer-col a:hover { color: var(--mint); }
        .copyright { display: flex; justify-content: space-between; gap: 16px; margin-top: 34px; padding-top: 17px; color: #8e8289; border-top: 1px solid var(--line); font-size: 11px; }
        .fixed-cta {
            position: fixed; z-index: 990; right: 0; bottom: 0; left: 0; display: flex; justify-content: center;
            padding: 10px 16px calc(10px + env(safe-area-inset-bottom));
            background: rgba(22,18,21,.96); border-top: 1px solid var(--line-strong);
            box-shadow: 0 -8px 22px rgba(0,0,0,.2);
        }
        .fixed-cta-inner { width: min(100%, var(--container)); display: flex; align-items: center; justify-content: space-between; gap: 18px; }
        .fixed-cta-copy { color: #ddd2d8; font-size: 13px; }
        .fixed-cta-copy strong { color: var(--text); }
        .fixed-cta-actions { display: flex; align-items: center; gap: 10px; }
        .fixed-cta .btn-primary-custom { min-height: 39px; padding: 7px 15px; font-size: 12px; }
        .close-cta { width: 36px; height: 36px; padding: 0; border: 1px solid var(--line); border-radius: 4px; background: transparent; color: var(--muted); cursor: pointer; }
        .close-cta:hover { color: var(--text); border-color: var(--line-strong); }
        @media (max-width: 1199.98px) {
            .media-grid { grid-template-columns: repeat(4, minmax(0,1fr)); }
            .container-xl { padding-left: 24px; padding-right: 24px; }
            .navbar-nav { gap: 0; }
            .nav-link { padding-inline: 8px !important; }
        }
        @media (max-width: 991.98px) {
            .navbar-collapse { padding: 14px 0 8px; }
            .navbar-nav { align-items: stretch; }
            .navbar-nav .nav-link { padding: 10px 12px !important; }
            .nav-cta { margin-top: 9px; }
            .hero { min-height: 490px; }
            .section { padding: 58px 0; }
            .popular-rail { grid-template-columns: 1fr 1fr; }
            .popular-feature { grid-row: span 2; }
            .news-grid { grid-template-columns: repeat(2, 1fr); }
            .news-card:first-child { grid-column: span 2; }
            .related-topics { grid-template-columns: repeat(2, 1fr); }
            .footer-grid { grid-template-columns: 1.3fr 1fr 1fr; }
            .footer-brand { grid-row: span 2; }
        }
        @media (max-width: 767.98px) {
            body { font-size: 14px; }
            .container-xl { padding-left: 19px; padding-right: 19px; }
            .navbar { min-height: 68px; }
            .brand-name { max-width: 200px; font-size: 13px; }
            .brand-mark { width: 38px; height: 38px; }
            .hero { min-height: 510px; background-position: 56% center; }
            .hero::before { background: linear-gradient(90deg, rgba(20,16,19,.9), rgba(20,16,19,.62)), linear-gradient(0deg, rgba(20,16,19,.86), transparent 65%); }
            .hero-content { padding-top: 55px; padding-bottom: 55px; }
            .hero h1 { font-size: 40px; }
            .hero-subtitle { font-size: 17px; }
            .section { padding: 48px 0; }
            .section-head { align-items: start; margin-bottom: 22px; }
            .section-title { font-size: 23px; }
            .benefits { grid-template-columns: 1fr; }
            .benefit, .benefit:first-child { padding: 15px 0; border-right: 0; border-bottom: 1px solid var(--line); }
            .benefit:last-child { border-bottom: 0; }
            .media-grid { grid-template-columns: repeat(3, minmax(0,1fr)); gap: 16px 11px; }
            .scene-grid { grid-template-columns: 1fr; }
            .scene-main, .scene-main img { min-height: 290px; }
            .popular-feature img { min-height: 280px; }
            .popular-card, .popular-card img { min-height: 145px; }
            .feedback-band { grid-template-columns: 1fr; gap: 20px; }
            .feedback-quote { font-size: 18px; }
            .category-row { grid-template-columns: 36px 1fr auto; gap: 10px; }
            .category-row p { grid-column: 2 / 3; grid-row: 2; }
            .category-arrow { grid-column: 3; grid-row: 1 / span 2; }
            .compare-col { padding: 20px 16px; }
            .rank-layout { grid-template-columns: 1fr; }
            .topic-index { grid-template-columns: 1fr; gap: 20px; }
            .timeline { grid-template-columns: repeat(2, 1fr); row-gap: 32px; }
            .timeline::before { display: none; }
            .timeline-item { border-top: 1px solid var(--line-strong); padding-top: 12px; }
            .timeline-item::before { top: -6px; }
            .guide-grid { grid-template-columns: 1fr; gap: 14px; }
            .info-questions { grid-template-columns: 1fr; gap: 14px; }
            .assurance-strip { grid-template-columns: repeat(2,1fr); }
            .assurance-item:nth-child(2) { border-right: 0; }
            .assurance-item:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
            .footer-grid { grid-template-columns: 1fr 1fr; gap: 25px 20px; }
            .footer-brand { grid-row: auto; grid-column: span 2; }
            .copyright { flex-direction: column; gap: 5px; }
            .fixed-cta-copy { max-width: 56%; font-size: 11px; line-height: 1.45; }
        }
        @media (max-width: 520px) {
            .container-xl { padding-left: 16px; padding-right: 16px; }
            .brand-name { max-width: 190px; font-size: 12px; }
            .hero { min-height: 500px; }
            .hero h1 { font-size: 35px; }
            .hero-copy { font-size: 13px; }
            .hero-actions .btn-primary-custom, .hero-actions .btn-outline-custom { min-height: 42px; padding: 9px 12px; font-size: 12px; }
            .section-head { display: block; }
            .section-head > .text-link { display: inline-block; margin-top: 12px; }
            .media-grid { grid-template-columns: repeat(2, minmax(0,1fr)); gap: 17px 12px; }
            .popular-rail { grid-template-columns: 1fr 1fr; gap: 10px; }
            .popular-feature { grid-column: span 2; grid-row: auto; }
            .popular-feature img { min-height: 230px; }
            .popular-card, .popular-card img { min-height: 142px; }
            .news-grid { gap: 11px; }
            .news-body { padding: 11px; }
            .news-body h3 { font-size: 13px; }
            .news-body p { font-size: 11px; }
            .rank-row { grid-template-columns: 26px minmax(0,1fr) 65px 37px; gap: 7px; }
            .rank-name { font-size: 12px; }
            .rank-category, .rank-heat { font-size: 10px; }
            .rank-score { font-size: 11px; }
            .compare-wrap { grid-template-columns: 1fr; }
            .compare-col + .compare-col { border-left: 0; border-top: 1px solid var(--line); }
            .related-topics { gap: 9px; }
            .related-topic { min-height: 122px; padding: 13px; }
            .fixed-cta { padding-inline: 10px; }
            .fixed-cta-inner { gap: 8px; }
            .fixed-cta-actions { gap: 6px; }
            .fixed-cta .btn-primary-custom { padding-inline: 10px; font-size: 11px; }
            .close-cta { width: 32px; height: 34px; }
        }
        @media (prefers-reduced-motion: reduce) {
            *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; }
        }

/* roulang page: category1 */
:root {
 --ink:#171316;--ink-soft:#211b20;--panel:#282127;--panel-light:#302831;
 --berry:#713949;--berry-bright:#a84f69;--mint:#b6d5cb;--mint-strong:#8ab8a8;
 --text:#f5f0f2;--muted:#b9adb4;--line:rgba(244,227,235,.14);--line-strong:rgba(244,227,235,.23);
 --radius:8px;--shadow:0 12px 30px rgba(0,0,0,.22);--container:1200px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:88px}
body{margin:0;color:var(--text);background:var(--ink);font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;font-size:15px;line-height:1.72;text-rendering:optimizeLegibility}
a{color:inherit;text-decoration:none}
a:hover{color:var(--mint)}
button,input,select{font:inherit}
button{color:inherit}
img{display:block;max-width:100%}
.container-xl{max-width:var(--container)}
.site-header{position:sticky;top:0;z-index:1000;background:rgba(23,19,22,.96);border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}
.navbar{min-height:76px;padding:10px 0}
.brand-lockup{display:inline-flex;align-items:center;gap:11px;min-width:0}
.brand-mark{width:42px;height:42px;flex:0 0 auto;display:grid;place-items:center;color:var(--mint);border:1px solid rgba(182,213,203,.55);border-radius:7px;background:#252025}
.brand-mark svg{width:23px;height:23px}
.brand-name{max-width:245px;font-weight:750;font-size:15px;line-height:1.25;color:var(--text)}
.navbar-nav{gap:4px;align-items:center}
.nav-link{color:var(--muted);padding:9px 11px!important;border-radius:5px;font-size:13px;transition:color .18s ease,background .18s ease}
.nav-link:hover,.nav-link.active{color:var(--text);background:rgba(182,213,203,.09)}
.nav-link.active::after{content:"";display:block;height:2px;margin-top:4px;background:var(--mint)}
.nav-cta,.btn-primary-custom,.btn-outline-custom{min-height:44px;display:inline-flex;justify-content:center;align-items:center;gap:9px;padding:10px 17px;border-radius:5px;font-weight:700;font-size:14px;transition:background .18s ease,border-color .18s ease,color .18s ease,transform .18s ease}
.nav-cta,.btn-primary-custom{color:#171b19;background:var(--mint);border:1px solid var(--mint)}
.nav-cta:hover,.btn-primary-custom:hover{color:#101413;background:#d0e4dc;border-color:#d0e4dc;transform:translateY(-1px)}
.btn-outline-custom{color:var(--text);border:1px solid var(--line-strong);background:rgba(23,19,22,.4)}
.btn-outline-custom:hover{color:var(--mint);border-color:var(--mint);background:rgba(182,213,203,.07)}
.navbar-toggler{border-color:var(--line-strong);padding:8px 10px}
.navbar-toggler:focus{box-shadow:0 0 0 .2rem rgba(182,213,203,.25)}
.navbar-toggler-icon{filter:invert(1) grayscale(1)}
main{padding-bottom:50px}
.section{padding:62px 0;border-bottom:1px solid var(--line)}
.section-alt{background:#1d191d}
.section-deep{background:#21191e}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:26px}
.section-kicker{margin-bottom:7px;color:var(--mint-strong);font-size:11px;font-weight:750;letter-spacing:1px}
.section-title{margin:0;font-size:27px;line-height:1.35;font-weight:760}
.section-desc{max-width:690px;margin:9px 0 0;color:var(--muted);font-size:14px}
.text-link{color:var(--mint);font-size:13px;font-weight:700;white-space:nowrap}
.text-link:hover{color:#e0f3eb}
.crumbs{padding:18px 0 0;color:var(--muted);font-size:13px}
.crumbs a{color:var(--mint)}
.category-intro{padding:26px 0 34px}
.category-topline{display:flex;align-items:center;gap:12px;margin-bottom:11px;color:var(--mint-strong);font-size:12px;font-weight:700}
.category-topline::before{content:"";width:28px;height:1px;background:var(--mint-strong)}
.category-title{max-width:850px;margin:0;font-size:clamp(30px,4vw,44px);line-height:1.23;font-weight:800}
.category-title span{color:var(--mint)}
.category-summary{max-width:800px;margin:15px 0 22px;color:#d3c8ce;font-size:15px}
.category-stats{display:flex;flex-wrap:wrap;gap:9px 22px;color:var(--muted);font-size:12px}
.category-stats strong{color:var(--text);font-size:15px;margin-right:5px}
.breadcrumb-item+.breadcrumb-item::before{color:#82757c}
.breadcrumb-item.active{color:var(--muted)}
.filter-band{padding:20px 0;background:#211b20;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.filter-row{display:flex;align-items:center;justify-content:space-between;gap:18px}
.filter-title{color:var(--muted);font-size:12px;font-weight:700;white-space:nowrap}
.filter-options{display:flex;gap:8px;flex-wrap:wrap}
.filter-chip{display:inline-flex;align-items:center;min-height:36px;padding:6px 13px;border:1px solid var(--line-strong);border-radius:4px;color:#d3c8ce;background:transparent;font-size:12px}
.filter-chip.selected{color:#15201c;background:var(--mint);border-color:var(--mint);font-weight:750}
.filter-select{min-width:145px;min-height:38px;padding:6px 32px 6px 11px;border:1px solid var(--line-strong);border-radius:4px;color:var(--text);background-color:var(--panel);font-size:12px}
.filter-select:focus{border-color:var(--mint);box-shadow:0 0 0 .2rem rgba(182,213,203,.18)}
.listing-section{padding-top:47px}
.catalog-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.catalog-item{display:grid;grid-template-columns:116px minmax(0,1fr);gap:14px;min-width:0;padding:11px;border:1px solid var(--line);border-radius:var(--radius);background:#211b20;transition:border-color .2s ease,transform .2s ease,background .2s ease}
.catalog-item:hover{border-color:var(--line-strong);background:#272128;transform:translateY(-2px)}
.catalog-cover{position:relative;overflow:hidden;aspect-ratio:3/4;border-radius:5px;background:#342a31}
.catalog-cover img{width:100%;height:100%;object-fit:cover}
.catalog-info{min-width:0;display:flex;flex-direction:column;align-items:flex-start}
.catalog-state{display:inline-flex;margin:2px 0 8px;padding:3px 7px;color:var(--mint);border:1px solid rgba(182,213,203,.32);border-radius:3px;font-size:10px;line-height:1.5}
.catalog-title{margin:0 0 4px;font-size:15px;line-height:1.45;font-weight:750}
.catalog-meta{margin-bottom:8px;color:var(--muted);font-size:11px}
.catalog-copy{margin:0;color:#c4b8bf;font-size:12px;line-height:1.65}
.catalog-rating{margin-top:auto;padding-top:8px;color:#e6d8df;font-size:11px}
.catalog-rating strong{color:var(--mint);font-size:13px}
.pagination{gap:5px;margin:27px 0 0}
.page-link{min-width:38px;min-height:38px;display:grid;place-items:center;color:#d9cfd4;background:transparent;border:1px solid var(--line);border-radius:4px!important}
.page-link:hover{color:var(--mint);background:rgba(182,213,203,.08);border-color:var(--mint)}
.page-item.active .page-link{color:#18201d;background:var(--mint);border-color:var(--mint)}
.page-item.disabled .page-link{color:#776c73;background:transparent;border-color:var(--line)}
.feature-strip{display:grid;grid-template-columns:1.15fr 1fr 1fr;align-items:stretch;border:1px solid var(--line);background:#1c181c}
.feature-main{padding:24px 27px;border-right:1px solid var(--line)}
.feature-main .section-kicker{margin-bottom:8px}
.feature-main h3{margin:0 0 7px;font-size:20px}
.feature-main p{margin:0;color:var(--muted);font-size:13px}
.feature-list{display:grid;grid-template-columns:1fr 1fr}
.feature-item{display:flex;gap:12px;align-items:center;padding:17px;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}
.feature-item:nth-child(2n){border-right:0}
.feature-item:nth-last-child(-n+2){border-bottom:0}
.feature-number{color:var(--mint-strong);font-size:12px;font-weight:800}
.feature-item strong{display:block;font-size:13px}
.feature-item span:last-child{display:block;color:var(--muted);font-size:11px}
.version-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.version-item{padding:20px 22px;border-right:1px solid var(--line)}
.version-item:last-child{border-right:0}
.version-item h3{margin:0 0 6px;color:var(--mint);font-size:15px}
.version-item p{margin:0;color:var(--muted);font-size:13px}
.news-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 28px}
.news-item{display:grid;grid-template-columns:92px minmax(0,1fr);gap:14px;padding:15px 0;border-bottom:1px solid var(--line)}
.news-thumb{width:92px;height:70px;object-fit:cover;border-radius:4px}
.news-item h3{margin:1px 0 4px;font-size:14px;line-height:1.5}
.news-item p{margin:0 0 5px;color:var(--muted);font-size:12px;line-height:1.55}
.news-date{color:#92868d;font-size:10px}
.faq-list{border-top:1px solid var(--line)}
.faq-item{display:grid;grid-template-columns:minmax(210px,.8fr) minmax(0,1.2fr);gap:28px;padding:19px 0;border-bottom:1px solid var(--line)}
.faq-item h3{margin:0;font-size:14px;font-weight:700}
.faq-item p{margin:0;color:var(--muted);font-size:13px}
.footer{padding:48px 0 18px;background:#141114}
.footer-grid{display:grid;grid-template-columns:1.7fr repeat(3,1fr);gap:35px;padding-bottom:33px}
.footer-brand p{max-width:300px;margin:15px 0 0;color:var(--muted);font-size:12px}
.footer-col{display:flex;flex-direction:column;gap:8px}
.footer-col h2{margin:4px 0 5px;color:var(--text);font-size:13px;font-weight:750}
.footer-col a,.footer-col span{color:var(--muted);font-size:12px}
.footer-col a:hover{color:var(--mint)}
.copyright{display:flex;justify-content:space-between;gap:16px;padding-top:16px;border-top:1px solid var(--line);color:#968991;font-size:11px}
a:focus-visible,button:focus-visible,select:focus-visible{outline:2px solid var(--mint);outline-offset:3px}
@media(max-width:1199px){.catalog-list{grid-template-columns:repeat(2,minmax(0,1fr))}.container-xl{padding-left:24px;padding-right:24px}}
@media(max-width:991px){
 .navbar-collapse{padding:12px 0 8px}
 .navbar-nav{align-items:stretch}
 .nav-link{padding:9px 12px!important}
 .nav-link.active::after{display:none}
 .nav-cta{margin:9px 0 4px}
 .feature-strip{grid-template-columns:1fr}
 .feature-main{border-right:0;border-bottom:1px solid var(--line)}
}
@media(max-width:767px){
 .section{padding:48px 0}
 .category-intro{padding:22px 0 27px}
 .category-title{font-size:34px}
 .section-head{align-items:flex-start;flex-direction:column;gap:10px}
 .filter-row{align-items:flex-start;flex-direction:column}
 .catalog-list{grid-template-columns:1fr}
 .catalog-item{grid-template-columns:105px minmax(0,1fr)}
 .news-list{grid-template-columns:1fr}
 .version-grid{grid-template-columns:1fr}
 .version-item{border-right:0;border-bottom:1px solid var(--line)}
 .version-item:last-child{border-bottom:0}
 .faq-item{grid-template-columns:1fr;gap:7px}
 .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:25px}
 .footer-brand{grid-column:1/-1}
}
@media(max-width:520px){
 body{font-size:14px}
 .container-xl{padding-left:18px;padding-right:18px}
 .brand-name{max-width:210px;font-size:13px}
 .brand-mark{width:38px;height:38px}
 .navbar{min-height:68px}
 .category-title{font-size:29px}
 .category-stats{gap:7px 15px}
 .catalog-item{grid-template-columns:91px minmax(0,1fr);gap:11px;padding:9px}
 .catalog-copy{font-size:11px}
 .filter-options{gap:6px}
 .filter-chip{padding:5px 9px;font-size:11px}
 .feature-main{padding:20px}
 .feature-list{grid-template-columns:1fr}
 .feature-item,.feature-item:nth-child(2n),.feature-item:nth-last-child(-n+2){border-right:0;border-bottom:1px solid var(--line)}
 .feature-item:last-child{border-bottom:0}
 .news-item{grid-template-columns:78px minmax(0,1fr);gap:11px}
 .news-thumb{width:78px;height:64px}
 .footer-grid{gap:23px 16px}
 .copyright{flex-direction:column;gap:4px}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important}}