/* roulang page: index */
:root {
            --ink: #17313d;
            --muted: #687983;
            --brand: #286b83;
            --brand-dark: #1e5266;
            --line: #dfe7ea;
            --paper: #ffffff;
            --canvas: #f5f8fa;
            --mint: #e4f1eb;
            --coral: #d78567;
            --radius: 8px;
            --shadow: 0 8px 24px rgba(24, 54, 66, .07);
            --shadow-hover: 0 14px 30px rgba(24, 54, 66, .13);
        }
        * { box-sizing: border-box; }
        html { scroll-behavior: smooth; scroll-padding-top: 90px; }
        body { margin: 0; color: var(--ink); background: var(--canvas); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif; font-size: 15px; line-height: 1.7; }
        a { color: inherit; text-decoration: none; }
        img { display: block; max-width: 100%; }
        button, input, select { font: inherit; }
        button, a, select, input { -webkit-tap-highlight-color: transparent; }
        :focus-visible { outline: 3px solid rgba(40, 107, 131, .34); outline-offset: 3px; }
        .container { width: min(1180px, calc(100% - 48px)); margin-inline: auto; }
        .site-header { position: sticky; top: 0; z-index: 40; background: rgba(255,255,255,.96); border-bottom: 1px solid var(--line); backdrop-filter: blur(12px); }
        .nav-shell { min-height: 76px; display: flex; align-items: center; gap: 34px; }
        .brand-lockup { display: inline-flex; align-items: center; gap: 11px; min-width: 0; }
        .brand-mark { display: grid; place-items: center; width: 42px; height: 42px; flex: 0 0 42px; color: white; background: var(--brand); border-radius: 7px; font-size: 14px; font-weight: 800; letter-spacing: 0; }
        .brand-name { max-width: 250px; color: var(--ink); font-size: 16px; font-weight: 750; line-height: 1.3; overflow-wrap: anywhere; }
        .nav-links { display: flex; align-items: center; gap: 7px; margin-left: auto; }
        .nav-link { padding: 9px 12px; color: #52636c; border-radius: 6px; font-size: 14px; transition: color .18s ease, background .18s ease; }
        .nav-link:hover, .nav-link.active { color: var(--brand-dark); background: #edf4f6; }
        .nav-link:active { background: #e2edf0; }
        .nav-toggle { display: none; margin-left: auto; width: 42px; height: 42px; color: var(--ink); background: white; border: 1px solid var(--line); border-radius: 6px; cursor: pointer; }
        .hero { position: relative; overflow: hidden; background: #eaf2f4; border-bottom: 1px solid #dce7e9; }
        .hero::after { position: absolute; inset: 0 0 0 57%; content: ""; background: linear-gradient(90deg, rgba(234,242,244,0), rgba(234,242,244,.15)), url("<?= e(poster(2, '影像精选', true)) ?>") center 48% / cover no-repeat; opacity: .86; }
        .hero-inner { position: relative; z-index: 1; min-height: 420px; display: grid; grid-template-columns: minmax(0, 1.12fr) minmax(280px, .88fr); align-items: center; gap: 40px; padding-block: 55px; }
        .hero-copy { max-width: 660px; }
        .eyebrow { display: inline-flex; align-items: center; gap: 8px; color: var(--brand-dark); font-size: 12px; font-weight: 750; text-transform: uppercase; }
        .eyebrow::before { content: ""; width: 22px; height: 2px; background: var(--coral); }
        .hero h1 { max-width: 660px; margin: 17px 0 14px; font-size: clamp(34px, 4vw, 52px); line-height: 1.2; font-weight: 800; overflow-wrap: anywhere; }
        .hero h1 span { color: var(--brand); }
        .hero-lead { max-width: 650px; margin: 0; color: #526670; font-size: 16px; line-height: 1.9; }
        .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 24px; }
        .btn { min-height: 44px; display: inline-flex; align-items: center; justify-content: center; gap: 9px; padding: 10px 17px; border: 1px solid transparent; border-radius: 6px; font-weight: 700; transition: background .18s ease, color .18s ease, box-shadow .18s ease, transform .18s ease; cursor: pointer; }
        .btn:hover { transform: translateY(-1px); }
        .btn-primary { color: #fff; background: var(--brand); box-shadow: 0 5px 12px rgba(40,107,131,.18); }
        .btn-primary:hover { background: var(--brand-dark); box-shadow: 0 8px 16px rgba(40,107,131,.24); }
        .btn-secondary { color: var(--brand-dark); background: rgba(255,255,255,.78); border-color: #cfdee2; }
        .btn-secondary:hover { background: #fff; border-color: #abc4cc; }
        .btn:disabled { color: #88969b; background: #e8edef; box-shadow: none; cursor: not-allowed; transform: none; }
        .quick-panel { justify-self: end; width: min(100%, 388px); padding: 18px; background: rgba(255,255,255,.94); border: 1px solid rgba(216,228,231,.95); border-radius: 8px; box-shadow: var(--shadow); }
        .quick-panel-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 13px; }
        .quick-panel-head strong { font-size: 14px; }
        .quick-panel-head span { color: var(--muted); font-size: 12px; }
        .quick-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 9px; }
        .quick-link { min-height: 72px; display: flex; flex-direction: column; justify-content: space-between; padding: 12px; color: var(--ink); background: #f5f8f9; border: 1px solid #e6edef; border-radius: 6px; transition: border-color .18s ease, background .18s ease, transform .18s ease; }
        .quick-link:hover { background: #edf5f6; border-color: #b9d1d8; transform: translateY(-2px); }
        .quick-link b { font-size: 13px; }
        .quick-link small { color: var(--muted); font-size: 11px; }
        main { display: block; }
        .section { padding: 68px 0; border-bottom: 1px solid var(--line); }
        .section-white { background: var(--paper); }
        .section-soft { background: #f1f6f7; }
        .section-compact { padding-block: 48px; }
        .section-heading { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: 27px; }
        .section-heading > div { max-width: 740px; }
        .section-kicker { margin: 0 0 7px; color: var(--brand); font-size: 12px; font-weight: 800; }
        .section-title { margin: 0; font-size: 27px; line-height: 1.35; font-weight: 780; overflow-wrap: anywhere; }
        .section-desc { max-width: 770px; margin: 10px 0 0; color: var(--muted); font-size: 14px; }
        .text-link { display: inline-flex; align-items: center; gap: 7px; flex: 0 0 auto; color: var(--brand-dark); font-size: 13px; font-weight: 750; }
        .text-link:hover { color: #183f50; text-decoration: underline; text-underline-offset: 4px; }
        .need-strip { display: grid; grid-template-columns: repeat(3, 1fr); overflow: hidden; border: 1px solid var(--line); border-radius: 7px; background: white; box-shadow: var(--shadow); }
        .need-item { display: flex; gap: 14px; padding: 21px; }
        .need-item + .need-item { border-left: 1px solid var(--line); }
        .need-index { color: var(--coral); font-size: 13px; font-weight: 800; }
        .need-item strong { display: block; margin-bottom: 3px; font-size: 14px; }
        .need-item p { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.65; }
        .poster-grid { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 20px 16px; }
        .poster-card { min-width: 0; overflow: hidden; background: #fff; border: 1px solid #e4eaec; border-radius: 7px; box-shadow: 0 3px 12px rgba(24,54,66,.045); transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease; }
        .poster-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); border-color: #c6d9de; }
        .poster-image-wrap { position: relative; overflow: hidden; aspect-ratio: 3 / 4; background: #e5ecee; }
        .poster-image { width: 100%; height: 100%; object-fit: cover; transition: transform .35s ease; }
        .poster-card:hover .poster-image { transform: scale(1.035); }
        .badge { position: absolute; top: 9px; left: 9px; display: inline-flex; align-items: center; padding: 4px 7px; color: #fff; background: rgba(25,61,74,.87); border-radius: 4px; font-size: 10px; font-weight: 750; line-height: 1.3; }
        .badge-accent { background: rgba(164,102,71,.94); }
        .poster-info { padding: 11px 11px 12px; }
        .poster-title { overflow: hidden; margin: 0; font-size: 14px; font-weight: 750; text-overflow: ellipsis; white-space: nowrap; }
        .poster-meta { display: flex; align-items: center; justify-content: space-between; gap: 5px; margin-top: 5px; color: var(--muted); font-size: 11px; }
        .rating { color: #a66c3d; font-weight: 800; }
        .steps { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid #cad9dd; }
        .step { position: relative; padding: 23px 18px 0 0; }
        .step::before { position: absolute; top: -6px; left: 0; width: 11px; height: 11px; content: ""; background: var(--brand); border: 2px solid #f1f6f7; border-radius: 50%; box-shadow: 0 0 0 1px var(--brand); }
        .step-number { color: var(--coral); font-size: 12px; font-weight: 800; }
        .step h3 { margin: 5px 0 4px; font-size: 15px; }
        .step p { max-width: 240px; margin: 0; color: var(--muted); font-size: 12px; }
        .popular-layout { display: grid; grid-template-columns: minmax(0, 1.12fr) minmax(310px, .88fr); gap: 28px; align-items: stretch; }
        .featured-popular { min-height: 370px; position: relative; overflow: hidden; background: #cad8d9; border-radius: 7px; }
        .featured-popular img { width: 100%; height: 100%; min-height: 370px; object-fit: cover; }
        .featured-popular::after { position: absolute; inset: 35% 0 0; content: ""; background: linear-gradient(transparent, rgba(19,40,48,.82)); }
        .featured-overlay { position: absolute; z-index: 1; right: 22px; bottom: 20px; left: 22px; color: white; }
        .featured-overlay h3 { margin: 5px 0; font-size: 24px; }
        .featured-overlay p { max-width: 440px; margin: 0; color: rgba(255,255,255,.85); font-size: 13px; }
        .popular-list { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
        .popular-item { display: grid; grid-template-columns: 57px minmax(0, 1fr); align-items: center; gap: 10px; padding: 9px; background: #fff; border: 1px solid var(--line); border-radius: 6px; transition: border-color .18s ease, transform .18s ease; }
        .popular-item:hover { border-color: #b9d1d8; transform: translateY(-2px); }
        .popular-thumb { width: 57px; aspect-ratio: 1; object-fit: cover; border-radius: 4px; }
        .popular-item h3 { overflow: hidden; margin: 0; font-size: 12px; text-overflow: ellipsis; white-space: nowrap; }
        .popular-item p { margin: 3px 0 0; color: var(--muted); font-size: 10px; }
        .channel-layout { display: grid; grid-template-columns: .9fr 1.1fr; gap: 36px; align-items: start; }
        .channel-feature { padding: 27px; color: white; background: var(--brand-dark); border-radius: 7px; }
        .channel-feature .section-kicker { color: #bfe0e1; }
        .channel-feature h3 { margin: 8px 0 11px; font-size: 23px; line-height: 1.4; }
        .channel-feature p { margin: 0; color: #d5e3e6; font-size: 13px; }
        .channel-feature .channel-note { display: flex; justify-content: space-between; gap: 12px; margin-top: 24px; padding-top: 15px; border-top: 1px solid rgba(255,255,255,.22); color: #d5e3e6; font-size: 11px; }
        .channel-list { display: grid; grid-template-columns: 1fr 1fr; }
        .channel-item { min-height: 110px; padding: 14px 17px 14px 0; border-top: 1px solid var(--line); }
        .channel-item:nth-child(2n) { padding-left: 18px; border-left: 1px solid var(--line); }
        .channel-item h3 { margin: 0 0 5px; font-size: 15px; }
        .channel-item p { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.65; }
        .topic-band { display: grid; grid-template-columns: 1fr 1fr; overflow: hidden; background: #edf3f3; border: 1px solid #dce6e7; border-radius: 7px; }
        .topic-image { min-height: 270px; object-fit: cover; }
        .topic-copy { display: flex; flex-direction: column; justify-content: center; padding: 30px 34px; }
        .topic-copy h3 { margin: 8px 0 9px; font-size: 23px; line-height: 1.4; }
        .topic-copy p { margin: 0; color: var(--muted); font-size: 13px; }
        .topic-tags { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 19px; }
        .topic-tag { padding: 5px 9px; color: #3d606b; background: white; border: 1px solid #d7e2e4; border-radius: 4px; font-size: 11px; }
        .rank-columns { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
        .rank-list { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
        .rank-row { display: grid; grid-template-columns: 36px minmax(0, 1fr) 68px 42px; align-items: center; gap: 10px; min-height: 56px; border-bottom: 1px solid var(--line); }
        .rank-number { color: #788890; font-size: 13px; font-weight: 800; }
        .rank-row:nth-child(-n+3) .rank-number { color: var(--coral); }
        .rank-name { overflow: hidden; font-size: 13px; font-weight: 700; text-overflow: ellipsis; white-space: nowrap; }
        .rank-category, .rank-heat { color: var(--muted); font-size: 11px; }
        .rank-score { color: #9b6638; font-size: 12px; font-weight: 800; text-align: right; }
        .metrics { display: grid; grid-template-columns: repeat(4, 1fr); overflow: hidden; background: white; border: 1px solid var(--line); border-radius: 7px; }
        .metric { padding: 21px 22px; }
        .metric + .metric { border-left: 1px solid var(--line); }
        .metric strong { display: block; font-size: 27px; line-height: 1.2; }
        .metric span { display: block; margin-top: 5px; color: var(--muted); font-size: 12px; }
        .metric small { display: block; margin-top: 7px; color: #7e8e94; font-size: 10px; }
        .scene-grid { display: grid; grid-template-columns: 1.15fr .85fr 1fr; gap: 15px; }
        .scene-item { min-height: 160px; display: flex; flex-direction: column; justify-content: space-between; padding: 20px; background: white; border: 1px solid var(--line); border-radius: 7px; }
        .scene-item:nth-child(2) { background: #e9f1ed; }
        .scene-item:nth-child(3) { background: #f4ede8; }
        .scene-item h3 { margin: 0; font-size: 16px; }
        .scene-item p { margin: 9px 0 0; color: var(--muted); font-size: 12px; }
        .scene-mark { color: var(--brand); font-size: 12px; font-weight: 800; }
        .feedback-band { display: flex; align-items: center; justify-content: space-between; gap: 26px; padding: 24px 28px; background: #fff; border-left: 4px solid var(--coral); box-shadow: var(--shadow); }
        .feedback-band blockquote { margin: 0; color: #425862; font-size: 15px; line-height: 1.8; }
        .feedback-band cite { flex: 0 0 auto; color: var(--muted); font-size: 11px; font-style: normal; }
        .news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 17px; }
        .news-item { overflow: hidden; background: white; border: 1px solid var(--line); border-radius: 7px; transition: transform .2s ease, box-shadow .2s ease; }
        .news-item:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
        .news-image { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }
        .news-body { padding: 15px; }
        .news-body time { color: var(--brand); font-size: 10px; font-weight: 750; }
        .news-body h3 { margin: 6px 0; font-size: 14px; line-height: 1.5; }
        .news-body p { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.7; }
        .guide-layout { display: grid; grid-template-columns: .75fr 1.25fr; gap: 35px; align-items: center; }
        .guide-highlight { padding: 24px; background: #e7f0f1; border-radius: 7px; }
        .guide-highlight strong { display: block; font-size: 20px; }
        .guide-highlight p { margin: 7px 0 0; color: var(--muted); font-size: 13px; }
        .guide-list { display: grid; grid-template-columns: 1fr 1fr; gap: 0 24px; margin: 0; padding: 0; list-style: none; }
        .guide-list li { padding: 13px 0; border-bottom: 1px solid var(--line); }
        .guide-list strong { display: block; font-size: 13px; }
        .guide-list span { display: block; margin-top: 3px; color: var(--muted); font-size: 11px; }
        .faq-list { border-top: 1px solid var(--line); }
        .faq-item { border-bottom: 1px solid var(--line); }
        .faq-item summary { position: relative; padding: 17px 36px 17px 0; font-size: 14px; font-weight: 720; cursor: pointer; list-style: none; }
        .faq-item summary::-webkit-details-marker { display: none; }
        .faq-item summary::after { position: absolute; top: 15px; right: 4px; content: "+"; color: var(--brand); font-size: 21px; font-weight: 400; }
        .faq-item[open] summary::after { content: "−"; }
        .faq-item p { max-width: 850px; margin: -2px 0 17px; color: var(--muted); font-size: 13px; }
        .closing-band { padding: 39px; color: white; background: var(--brand-dark); border-radius: 7px; }
        .closing-inner { display: flex; align-items: center; justify-content: space-between; gap: 25px; }
        .closing-band h2 { margin: 0; font-size: 24px; }
        .closing-band p { max-width: 660px; margin: 7px 0 0; color: #d2e1e5; font-size: 13px; }
        .closing-band .btn { flex: 0 0 auto; color: var(--brand-dark); background: white; }
        .closing-band .btn:hover { background: #eaf2f4; }
        .site-footer { color: #d1dfe3; background: #183642; }
        .footer-main { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 34px; padding-block: 45px 35px; }
        .footer-brand .brand-name { color: white; }
        .footer-brand p { max-width: 310px; margin: 14px 0 0; color: #adc0c6; font-size: 12px; }
        .footer-col h3 { margin: 0 0 12px; color: white; font-size: 13px; }
        .footer-col a, .footer-col span { display: block; width: fit-content; margin: 7px 0; color: #adc0c6; font-size: 12px; transition: color .18s ease; }
        .footer-col a:hover { color: white; }
        .footer-bottom { display: flex; justify-content: space-between; gap: 20px; padding-block: 16px; color: #9fb4bb; border-top: 1px solid rgba(255,255,255,.15); font-size: 11px; }
        @media (max-width: 1024px) {
            .nav-shell { gap: 16px; }
            .nav-link { padding-inline: 9px; font-size: 12px; }
            .poster-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
            .popular-layout { grid-template-columns: 1fr; }
            .featured-popular { min-height: 310px; }
            .featured-popular img { min-height: 310px; }
            .scene-grid { grid-template-columns: repeat(3, 1fr); }
        }
        @media (max-width: 768px) {
            .container { width: min(100% - 34px, 620px); }
            .nav-shell { min-height: 68px; flex-wrap: wrap; }
            .brand-mark { width: 39px; height: 39px; flex-basis: 39px; }
            .brand-name { max-width: 230px; font-size: 14px; }
            .nav-toggle { display: inline-grid; place-items: center; }
            .nav-links { display: none; width: 100%; order: 3; margin: 0; padding: 0 0 12px; align-items: stretch; flex-wrap: wrap; }
            .nav-links.is-open { display: flex; }
            .nav-link { flex: 1 1 28%; text-align: center; background: #f5f8f9; }
            .hero::after { inset: 0; opacity: .18; }
            .hero-inner { min-height: 0; grid-template-columns: 1fr; gap: 24px; padding-block: 48px; }
            .hero-copy { max-width: 620px; }
            .hero h1 { font-size: 38px; }
            .quick-panel { justify-self: stretch; width: 100%; }
            .section { padding: 52px 0; }
            .section-compact { padding-block: 39px; }
            .section-heading { align-items: start; }
            .section-title { font-size: 23px; }
            .need-strip { grid-template-columns: 1fr; }
            .need-item + .need-item { border-top: 1px solid var(--line); border-left: 0; }
            .steps { grid-template-columns: repeat(2, 1fr); row-gap: 25px; }
            .channel-layout { grid-template-columns: 1fr; gap: 22px; }
            .topic-band { grid-template-columns: 1fr; }
            .topic-image { width: 100%; min-height: 0; aspect-ratio: 16 / 8; }
            .topic-copy { padding: 24px; }
            .rank-columns { gap: 18px; }
            .rank-row { grid-template-columns: 25px minmax(0, 1fr) 42px; gap: 7px; }
            .rank-heat { display: none; }
            .metrics { grid-template-columns: repeat(2, 1fr); }
            .metric:nth-child(3) { border-left: 0; border-top: 1px solid var(--line); }
            .metric:nth-child(4) { border-top: 1px solid var(--line); }
            .scene-grid { grid-template-columns: 1fr 1fr; }
            .news-grid { grid-template-columns: repeat(2, 1fr); }
            .guide-layout { grid-template-columns: 1fr; gap: 18px; }
            .footer-main { grid-template-columns: repeat(2, 1fr); }
            .closing-band { padding: 28px; }
        }
        @media (max-width: 520px) {
            body { font-size: 14px; }
            .container { width: calc(100% - 28px); }
            .brand-name { max-width: 190px; font-size: 13px; }
            .nav-link { flex-basis: 45%; font-size: 12px; }
            .hero-inner { padding-block: 37px; }
            .hero h1 { font-size: 33px; }
            .hero-lead { font-size: 14px; }
            .hero-actions { gap: 9px; }
            .btn { min-height: 42px; padding-inline: 13px; font-size: 13px; }
            .section { padding: 43px 0; }
            .section-heading { flex-direction: column; gap: 11px; margin-bottom: 20px; }
            .section-title { font-size: 21px; }
            .poster-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 13px 11px; }
            .poster-info { padding: 9px; }
            .poster-title { font-size: 13px; }
            .poster-meta { font-size: 10px; }
            .popular-list { gap: 8px; }
            .popular-item { grid-template-columns: 43px minmax(0, 1fr); gap: 7px; padding: 7px; }
            .popular-thumb { width: 43px; }
            .popular-item h3 { font-size: 11px; }
            .popular-item p { font-size: 9px; }
            .featured-popular, .featured-popular img { min-height: 250px; }
            .steps { grid-template-columns: 1fr 1fr; }
            .step { padding-right: 8px; }
            .channel-list { grid-template-columns: 1fr; }
            .channel-item, .channel-item:nth-child(2n) { min-height: auto; padding: 13px 0; border-left: 0; }
            .rank-columns { grid-template-columns: 1fr; gap: 0; }
            .rank-row { min-height: 48px; }
            .metrics { grid-template-columns: 1fr 1fr; }
            .metric { padding: 16px 13px; }
            .metric strong { font-size: 22px; }
            .scene-grid { grid-template-columns: 1fr; }
            .scene-item { min-height: 125px; }
            .feedback-band { align-items: start; flex-direction: column; gap: 11px; padding: 19px; }
            .news-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
            .news-body { padding: 11px; }
            .news-body h3 { font-size: 12px; }
            .news-body p { font-size: 11px; }
            .guide-list { grid-template-columns: 1fr; }
            .closing-inner { align-items: start; flex-direction: column; }
            .closing-band h2 { font-size: 21px; }
            .footer-main { grid-template-columns: 1fr 1fr; gap: 24px 17px; }
            .footer-bottom { flex-direction: column; gap: 4px; }
        }
        @media (prefers-reduced-motion: reduce) {
            *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; }
        }

/* roulang page: category1 */
:root {
 --ink:#17313d;--muted:#687983;--brand:#286b83;--brand-dark:#1e5266;
 --line:#dfe7ea;--paper:#fff;--canvas:#f5f8fa;--mint:#e4f1eb;--coral:#d78567;
 --radius:8px;--shadow:0 8px 24px rgba(24,54,66,.07);--shadow-hover:0 14px 30px rgba(24,54,66,.13)
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:90px}
body{margin:0;color:var(--ink);background:var(--canvas);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;font-size:15px;line-height:1.7}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button,input,select{font:inherit}
button,a,select,input{-webkit-tap-highlight-color:transparent}
button:focus-visible,a:focus-visible,select:focus-visible,input:focus-visible{outline:3px solid rgba(40,107,131,.3);outline-offset:3px}
.container{width:min(1180px,calc(100% - 48px));margin-inline:auto}
.site-header{position:sticky;top:0;z-index:40;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}
.nav-shell{min-height:76px;display:flex;align-items:center;gap:34px}
.brand-lockup{display:inline-flex;align-items:center;gap:11px;min-width:0}
.brand-mark{display:grid;place-items:center;width:42px;height:42px;flex:0 0 42px;color:#fff;background:var(--brand);border-radius:7px;font-size:14px;font-weight:800}
.brand-name{max-width:250px;color:var(--ink);font-size:16px;font-weight:750;line-height:1.3;overflow-wrap:anywhere}
.nav-links{display:flex;align-items:center;gap:7px;margin-left:auto}
.nav-link{padding:9px 12px;color:#52636c;border-radius:6px;font-size:14px;transition:color .18s,background .18s}
.nav-link:hover,.nav-link.active{color:var(--brand-dark);background:#edf4f6}
.nav-link:active{background:#e2edf0}
.nav-toggle{display:none;margin-left:auto;width:42px;height:42px;color:var(--ink);background:#fff;border:1px solid var(--line);border-radius:6px;cursor:pointer}
main{display:block}
.section{padding:56px 0;border-bottom:1px solid var(--line)}
.section-white{background:var(--paper)}
.section-soft{background:#f1f6f7}
.section-compact{padding-block:38px}
.section-heading{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:24px}
.section-heading>div{max-width:760px}
.section-kicker{margin:0 0 7px;color:var(--brand);font-size:12px;font-weight:800}
.section-title{margin:0;font-size:27px;line-height:1.35;font-weight:780;overflow-wrap:anywhere}
.section-desc{max-width:770px;margin:10px 0 0;color:var(--muted);font-size:14px}
.text-link{display:inline-flex;align-items:center;gap:7px;flex:0 0 auto;color:var(--brand-dark);font-size:13px;font-weight:750}
.text-link:hover{color:#183f50;text-decoration:underline;text-underline-offset:4px}
.page-intro{padding:34px 0 26px;background:#eaf2f4;border-bottom:1px solid #dce7e9}
.breadcrumb{display:flex;gap:9px;align-items:center;color:#72828a;font-size:12px;margin-bottom:16px}
.breadcrumb a:hover{color:var(--brand-dark)}
.page-title{max-width:900px;margin:0;font-size:clamp(29px,4vw,40px);line-height:1.25;font-weight:800;overflow-wrap:anywhere}
.page-title span{color:var(--brand)}
.intro-copy{max-width:760px;margin:12px 0 18px;color:#526670;font-size:15px}
.intro-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 20px;color:#536770;font-size:13px}
.meta-dot{width:5px;height:5px;border-radius:50%;background:var(--coral)}
.filter-shell{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:18px;align-items:center}
.filter-controls{display:flex;flex-wrap:wrap;gap:8px}
.filter-chip{padding:8px 13px;color:#536670;background:#fff;border:1px solid var(--line);border-radius:5px;font-size:13px;cursor:pointer;transition:.18s}
.filter-chip:hover,.filter-chip.active{color:var(--brand-dark);border-color:#a9c5cd;background:#edf4f6}
.filter-tools{display:flex;align-items:center;gap:10px}
.filter-select{min-height:40px;padding:7px 32px 7px 11px;color:var(--ink);background:#fff;border:1px solid var(--line);border-radius:5px}
.clear-filter{padding:8px 10px;color:var(--muted);background:transparent;border:0;cursor:pointer}
.clear-filter:hover{color:var(--brand-dark)}
.poster-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px 18px}
.poster-card{min-width:0;overflow:hidden;background:#fff;border:1px solid #e4eaec;border-radius:7px;box-shadow:0 3px 12px rgba(24,54,66,.045);transition:transform .2s,box-shadow .2s,border-color .2s}
.poster-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#c6d9de}
.poster-media{position:relative;overflow:hidden;aspect-ratio:3/4;background:#dce6e8}
.poster-image{width:100%;height:100%;object-fit:cover;transition:transform .35s}
.poster-card:hover .poster-image{transform:scale(1.035)}
.badge{position:absolute;top:9px;left:9px;display:inline-flex;align-items:center;padding:4px 7px;color:#fff;background:rgba(25,61,74,.88);border-radius:4px;font-size:10px;font-weight:750;line-height:1.3}
.badge-accent{background:rgba(164,102,71,.94)}
.poster-body{padding:12px 13px 13px}
.poster-title{overflow:hidden;margin:0;font-size:14px;font-weight:750;text-overflow:ellipsis;white-space:nowrap}
.poster-meta{display:flex;align-items:center;justify-content:space-between;gap:5px;margin-top:5px;color:var(--muted);font-size:11px}
.rating{color:#a96c3e;font-weight:800}
.feature-strip{display:grid;grid-template-columns:1.05fr .95fr;min-height:280px;background:#fff;border:1px solid var(--line);border-radius:7px;overflow:hidden;box-shadow:var(--shadow)}
.feature-image{width:100%;height:100%;min-height:280px;object-fit:cover}
.feature-copy{display:flex;flex-direction:column;justify-content:center;padding:30px 34px}
.feature-copy h3{margin:8px 0 10px;font-size:24px;line-height:1.35}
.feature-copy p{margin:0;color:var(--muted);font-size:14px}
.feature-label{color:var(--coral);font-size:12px;font-weight:800}
.update-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border-top:1px solid var(--line)}
.update-item{display:grid;grid-template-columns:48px minmax(0,1fr) auto;align-items:center;gap:12px;padding:17px 14px;border-bottom:1px solid var(--line)}
.update-item:nth-child(3n+2),.update-item:nth-child(3n+3){border-left:1px solid var(--line)}
.update-date{color:var(--brand);font-size:12px;font-weight:800}
.update-name{font-size:14px;font-weight:700}
.update-note{color:var(--muted);font-size:12px}
.topic-layout{display:grid;grid-template-columns:1.2fr .8fr;gap:34px;align-items:center}
.topic-panel{padding:26px 0}
.topic-panel h3{margin:0 0 10px;font-size:23px}
.topic-panel p{margin:0;color:var(--muted)}
.topic-tags{display:flex;flex-wrap:wrap;gap:9px;margin-top:18px}
.topic-tag{padding:7px 11px;color:var(--brand-dark);background:#e9f1f2;border-radius:4px;font-size:12px;font-weight:700}
.topic-side{padding:22px 25px;background:#fff;border-left:3px solid var(--coral)}
.topic-side strong{display:block;margin-bottom:6px}
.topic-side p{margin:0;color:var(--muted);font-size:13px}
.news-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0 24px}
.news-item{padding:15px 0;border-top:1px solid var(--line)}
.news-item time{display:block;margin-bottom:5px;color:var(--brand);font-size:11px;font-weight:750}
.news-item a{font-size:14px;font-weight:700;line-height:1.55}
.news-item a:hover{color:var(--brand-dark)}
.faq-list{display:grid;grid-template-columns:1fr 1fr;gap:0 32px}
.faq-item{padding:17px 0;border-top:1px solid var(--line)}
.faq-item summary{font-weight:750;cursor:pointer}
.faq-item p{margin:9px 0 0;color:var(--muted);font-size:13px}
.more-row{display:flex;justify-content:center;margin-top:30px}
.btn{min-height:44px;display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:10px 17px;border:1px solid transparent;border-radius:6px;font-weight:700;transition:background .18s,color .18s,box-shadow .18s,transform .18s;cursor:pointer}
.btn:hover{transform:translateY(-1px)}
.btn-primary{color:#fff;background:var(--brand);box-shadow:0 5px 12px rgba(40,107,131,.18)}
.btn-primary:hover{background:var(--brand-dark);box-shadow:0 8px 16px rgba(40,107,131,.24)}
.btn-secondary{color:var(--brand-dark);background:#fff;border-color:#cfdee2}
.btn-secondary:hover{background:#f7fbfc;border-color:#abc4cc}
.site-footer{background:#17313d;color:#eaf1f2}
.footer-main{display:grid;grid-template-columns:1.55fr repeat(3,1fr);gap:38px;padding-block:45px}
.footer-brand .brand-name{color:#fff}
.footer-brand p{max-width:320px;margin:15px 0 0;color:#b9c8cd;font-size:13px}
.footer-col{display:flex;flex-direction:column;align-items:flex-start;gap:9px}
.footer-col h3{margin:0 0 5px;color:#fff;font-size:13px}
.footer-col a,.footer-col span{color:#b9c8cd;font-size:12px}
.footer-col a:hover{color:#fff}
.footer-bottom{display:flex;justify-content:space-between;gap:16px;padding:17px 0;border-top:1px solid rgba(255,255,255,.16);color:#b9c8cd;font-size:11px}
@media(max-width:1024px){.nav-shell{gap:18px}.nav-links{gap:2px}.nav-link{padding:8px}.poster-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.update-list{grid-template-columns:repeat(2,minmax(0,1fr))}.update-item:nth-child(3n+2),.update-item:nth-child(3n+3){border-left:0}.update-item:nth-child(even){border-left:1px solid var(--line)}}
@media(max-width:768px){.container{width:min(100% - 36px,680px)}.nav-shell{min-height:68px}.brand-name{max-width:220px;font-size:14px}.nav-toggle{display:grid;place-items:center}.nav-links{display:none;position:absolute;top:68px;left:0;right:0;margin:0;padding:10px 18px 15px;background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.nav-links.open{display:flex}.nav-link{padding:10px 12px}.section{padding:46px 0}.section-heading{align-items:flex-start;flex-direction:column;gap:10px}.section-title{font-size:24px}.page-intro{padding:27px 0 22px}.filter-shell{grid-template-columns:1fr}.filter-tools{justify-content:space-between}.poster-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:15px 12px}.feature-strip{grid-template-columns:1fr}.feature-image{height:250px;min-height:0}.feature-copy{padding:23px}.topic-layout{grid-template-columns:1fr;gap:10px}.news-list{grid-template-columns:1fr 1fr;gap:0 20px}.footer-main{grid-template-columns:1fr 1fr;gap:28px}.footer-brand{grid-column:1/-1}}
@media(max-width:520px){.container{width:calc(100% - 30px)}.brand-mark{width:38px;height:38px;flex-basis:38px}.brand-name{max-width:190px;font-size:13px}.page-title{font-size:30px}.intro-copy{font-size:14px}.filter-controls{gap:6px}.filter-chip{padding:7px 10px;font-size:12px}.filter-tools{align-items:flex-start;flex-direction:column}.filter-select{width:100%}.clear-filter{align-self:flex-start;padding-left:0}.poster-grid{gap:12px 9px}.poster-body{padding:10px}.poster-title{font-size:13px}.poster-meta{font-size:10px}.update-list{grid-template-columns:1fr}.update-item,.update-item:nth-child(even){border-left:0}.news-list,.faq-list{grid-template-columns:1fr}.feature-copy h3{font-size:21px}.footer-main{gap:24px 16px}.footer-bottom{flex-direction:column;gap:5px}}
