/* roulang page: index */
:root {
            --ink: #172b3a;
            --muted: #647786;
            --paper: #f4f8fb;
            --white: #fff;
            --line: #dce6ec;
            --blue: #176b8a;
            --blue-dark: #10536e;
            --teal: #188a78;
            --mint: #dff4ee;
            --sky: #e4f1f7;
            --coral: #d66e53;
            --radius: 8px;
            --shadow: 0 14px 36px rgba(30, 67, 87, .09);
            --container: 1180px;
        }
        *, *::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", sans-serif;
            font-size: 16px;
            line-height: 1.72;
            -webkit-font-smoothing: antialiased;
        }
        a { color: inherit; text-decoration: none; }
        a:hover { color: var(--blue); }
        button, input { font: inherit; }
        button, a, input { -webkit-tap-highlight-color: transparent; }
        button:focus-visible, a:focus-visible, input:focus-visible {
            outline: 3px solid rgba(24, 138, 120, .38);
            outline-offset: 3px;
        }
        .container-shell { width: min(calc(100% - 48px), var(--container)); margin-inline: auto; }
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255,255,255,.96);
            border-bottom: 1px solid var(--line);
            box-shadow: 0 5px 20px rgba(25,57,74,.035);
            backdrop-filter: blur(14px);
        }
        .nav-shell { min-height: 76px; display: flex; align-items: center; gap: 28px; }
        .brand {
            display: inline-flex;
            align-items: center;
            gap: 11px;
            flex: 0 0 auto;
            font-size: 17px;
            font-weight: 750;
            letter-spacing: 0;
            color: var(--ink);
        }
        .brand-mark {
            width: 34px;
            height: 34px;
            display: grid;
            place-items: center;
            border-radius: 7px;
            color: white;
            background: var(--blue);
            font-size: 17px;
            font-weight: 800;
        }
        .nav-links { display: flex; align-items: center; gap: 7px; margin-left: 10px; }
        .nav-link {
            padding: 9px 13px;
            border-radius: 6px;
            color: #506573;
            font-size: 14px;
            font-weight: 650;
            transition: background .18s ease, color .18s ease;
        }
        .nav-link:hover, .nav-link.active { color: var(--blue-dark); background: #eaf4f7; }
        .nav-tools { display: flex; align-items: center; gap: 12px; margin-left: auto; }
        .search-form { position: relative; width: min(260px, 27vw); }
        .search-form input {
            width: 100%;
            height: 40px;
            padding: 0 40px 0 13px;
            border: 1px solid var(--line);
            border-radius: 6px;
            color: var(--ink);
            background: #f8fbfc;
            font-size: 13px;
        }
        .search-form input::placeholder { color: #82929c; }
        .search-form button {
            position: absolute;
            top: 0;
            right: 0;
            width: 40px;
            height: 40px;
            border: 0;
            color: var(--blue);
            background: transparent;
            cursor: pointer;
        }
        .language-label {
            padding-left: 13px;
            border-left: 1px solid var(--line);
            color: var(--muted);
            white-space: nowrap;
            font-size: 13px;
            font-weight: 650;
        }
        .menu-toggle {
            display: none;
            width: 42px;
            height: 42px;
            border: 1px solid var(--line);
            border-radius: 6px;
            color: var(--ink);
            background: white;
        }
        main { overflow: hidden; }
        .hero {
            position: relative;
            min-height: 520px;
            display: flex;
            align-items: center;
            color: white;
            background: #153a4a url("https://images.unsplash.com/photo-1489599849927-2ee91cede3ba?auto=format&fit=crop&w=2200&q=85") center 42% / cover no-repeat;
            isolation: isolate;
        }
        .hero::before {
            position: absolute;
            z-index: -1;
            inset: 0;
            content: "";
            background: linear-gradient(90deg, rgba(13,36,49,.91) 0%, rgba(13,42,55,.79) 43%, rgba(16,51,64,.32) 100%);
        }
        .hero-content { padding-block: 72px 82px; max-width: 800px; }
        .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 9px;
            margin-bottom: 18px;
            color: #bfe8df;
            font-size: 13px;
            font-weight: 700;
        }
        .eyebrow::before { width: 24px; height: 2px; content: ""; background: #70c4b0; }
        h1 { max-width: 760px; margin: 0 0 20px; font-size: clamp(36px, 5vw, 58px); line-height: 1.2; font-weight: 760; }
        .hero-copy { max-width: 760px; margin: 0; color: rgba(255,255,255,.86); font-size: 17px; line-height: 1.9; }
        .hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 13px; margin-top: 28px; }
        .btn-primary-custom, .btn-outline-custom {
            min-height: 46px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 9px;
            padding: 11px 18px;
            border: 1px solid transparent;
            border-radius: 6px;
            font-size: 14px;
            font-weight: 700;
            transition: transform .18s ease, background .18s ease, box-shadow .18s ease;
        }
        .btn-primary-custom { color: white; background: var(--teal); box-shadow: 0 8px 18px rgba(6,93,77,.23); }
        .btn-primary-custom:hover { color: white; background: #117968; transform: translateY(-2px); box-shadow: 0 12px 22px rgba(6,93,77,.32); }
        .btn-outline-custom { color: white; border-color: rgba(255,255,255,.48); background: rgba(255,255,255,.07); }
        .btn-outline-custom:hover { color: white; border-color: white; background: rgba(255,255,255,.15); }
        .hero-note { margin-top: 20px; color: rgba(255,255,255,.68); font-size: 13px; }
        .trust-strip { position: relative; z-index: 2; margin-top: -28px; }
        .trust-inner {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            border: 1px solid var(--line);
            border-radius: var(--radius);
            background: white;
            box-shadow: var(--shadow);
        }
        .trust-item { min-height: 89px; display: flex; align-items: center; gap: 13px; padding: 18px 22px; }
        .trust-item + .trust-item { border-left: 1px solid var(--line); }
        .trust-icon { width: 38px; height: 38px; display: grid; place-items: center; flex: 0 0 auto; border-radius: 7px; color: var(--blue); background: var(--sky); font-size: 18px; font-weight: 800; }
        .trust-item strong { display: block; font-size: 14px; line-height: 1.35; }
        .trust-item span { display: block; margin-top: 3px; color: var(--muted); font-size: 12px; }
        .section { padding: 82px 0; }
        .section-white { background: white; }
        .section-tint { background: #edf5f7; }
        .section-dark { color: white; background: #183d4b; }
        .section-head { max-width: 760px; margin-bottom: 34px; }
        .section-kicker { display: block; margin-bottom: 8px; color: var(--teal); font-size: 12px; font-weight: 750; }
        .section-title { margin: 0 0 12px; font-size: 31px; line-height: 1.3; font-weight: 750; }
        .section-lead { margin: 0; color: var(--muted); font-size: 15px; }
        .section-dark .section-kicker { color: #89d2c1; }
        .section-dark .section-lead { color: rgba(255,255,255,.73); }
        .split-layout { display: grid; grid-template-columns: .95fr 1.05fr; gap: 54px; align-items: center; }
        .editorial-image {
            min-height: 390px;
            border-radius: var(--radius);
            background: #c8d9dc url("https://images.unsplash.com/photo-1478720568477-152d9b164e26?auto=format&fit=crop&w=1100&q=85") center / cover no-repeat;
            box-shadow: var(--shadow);
        }
        .feature-list { display: grid; gap: 0; margin: 22px 0 0; padding: 0; list-style: none; }
        .feature-list li { display: flex; gap: 15px; padding: 17px 0; border-top: 1px solid var(--line); }
        .feature-number { color: var(--teal); font-size: 13px; font-weight: 800; }
        .feature-list strong { display: block; margin-bottom: 3px; font-size: 15px; }
        .feature-list p { margin: 0; color: var(--muted); font-size: 13px; }
        .topic-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
        .topic-card {
            min-height: 205px;
            position: relative;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            padding: 22px;
            border: 1px solid var(--line);
            border-radius: var(--radius);
            background: white;
            box-shadow: 0 5px 16px rgba(29,69,88,.035);
            transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
        }
        .topic-card:hover { transform: translateY(-4px); border-color: #b4d5d7; box-shadow: var(--shadow); }
        .topic-symbol { width: 42px; height: 42px; display: grid; place-items: center; border-radius: 7px; color: var(--blue); background: var(--sky); font-size: 18px; font-weight: 800; }
        .topic-card:nth-child(2) .topic-symbol { color: #167c6c; background: var(--mint); }
        .topic-card:nth-child(3) .topic-symbol { color: #bb654f; background: #fbede8; }
        .topic-card h3 { margin: 18px 0 6px; font-size: 18px; }
        .topic-card p { margin: 0; color: var(--muted); font-size: 13px; }
        .topic-arrow { position: absolute; right: 20px; bottom: 20px; color: var(--blue); font-size: 19px; }
        .quality-band { display: grid; grid-template-columns: 1.1fr 1.9fr; gap: 48px; align-items: center; }
        .quality-metrics { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; }
        .metric { padding: 12px 20px; border-left: 1px solid rgba(255,255,255,.2); }
        .metric strong { display: block; margin-bottom: 6px; color: #a5e0d3; font-size: 23px; }
        .metric span { color: rgba(255,255,255,.76); font-size: 13px; }
        .section-dark .section-title { color: white; }
        .step-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
        .step-item { padding: 22px 19px; border-top: 2px solid #99cfc3; background: #f7fbfb; }
        .step-index { color: var(--teal); font-size: 12px; font-weight: 800; }
        .step-item h3 { margin: 11px 0 7px; font-size: 16px; }
        .step-item p { margin: 0; color: var(--muted); font-size: 13px; }
        .feature-three { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 1px; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius); background: var(--line); }
        .feature-block { min-height: 180px; padding: 26px; background: white; }
        .feature-block small { color: var(--teal); font-weight: 800; }
        .feature-block h3 { margin: 13px 0 7px; font-size: 17px; }
        .feature-block p { margin: 0; color: var(--muted); font-size: 13px; }
        .content-grid { display: grid; grid-template-columns: 1.12fr .88fr; gap: 32px; }
        .story-feature {
            min-height: 340px;
            display: flex;
            align-items: end;
            padding: 28px;
            border-radius: var(--radius);
            color: white;
            background: linear-gradient(0deg, rgba(11,36,48,.9), rgba(11,36,48,0) 78%), url("https://images.unsplash.com/photo-1500530855697-b586d89ba3ee?auto=format&fit=crop&w=1200&q=85") center / cover no-repeat;
        }
        .story-feature h3 { margin: 0 0 8px; font-size: 22px; }
        .story-feature p { max-width: 500px; margin: 0; color: rgba(255,255,255,.83); font-size: 14px; }
        .story-side { display: grid; gap: 14px; }
        .story-row { display: grid; grid-template-columns: 82px 1fr; gap: 16px; align-items: center; padding: 17px; border: 1px solid var(--line); border-radius: 7px; background: white; }
        .story-code { min-height: 68px; display: grid; place-items: center; border-radius: 5px; color: var(--blue); background: var(--sky); font-size: 13px; font-weight: 750; }
        .story-row h3 { margin: 0 0 4px; font-size: 15px; }
        .story-row p { margin: 0; color: var(--muted); font-size: 12px; }
        .quote-layout { display: grid; grid-template-columns: .8fr 1.2fr; gap: 50px; align-items: center; }
        .quote-mark { color: #8ccfc0; font-family: Georgia, serif; font-size: 66px; line-height: .9; }
        blockquote { margin: 10px 0 18px; font-size: 22px; line-height: 1.65; font-weight: 600; }
        .quote-byline { color: rgba(255,255,255,.67); font-size: 13px; }
        .quote-proof { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
        .proof-item { padding: 17px; border: 1px solid rgba(255,255,255,.17); border-radius: 6px; background: rgba(255,255,255,.055); }
        .proof-item strong { display: block; margin-bottom: 4px; color: #b9e9df; font-size: 14px; }
        .proof-item span { color: rgba(255,255,255,.73); font-size: 12px; }
        .timeline { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
        .timeline-item { position: relative; padding: 0 20px 0 0; }
        .timeline-item::before { width: 10px; height: 10px; position: absolute; top: 5px; left: 0; border: 2px solid var(--teal); border-radius: 50%; content: ""; background: white; }
        .timeline-item { padding-left: 22px; }
        .timeline-item h3 { margin: 0 0 8px; font-size: 16px; }
        .timeline-item p { margin: 0; color: var(--muted); font-size: 13px; }
        .content-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
        .content-row { display: flex; gap: 17px; align-items: flex-start; padding: 19px; border: 1px solid var(--line); border-radius: 7px; background: white; transition: border .18s, transform .18s, box-shadow .18s; }
        .content-row:hover { transform: translateY(-2px); border-color: #bad9db; box-shadow: 0 9px 22px rgba(29,69,88,.07); }
        .content-tag { flex: 0 0 auto; padding: 4px 8px; border-radius: 4px; color: #176b8a; background: #e7f2f6; font-size: 11px; font-weight: 750; }
        .content-row h3 { margin: 0 0 5px; font-size: 15px; }
        .content-row p { margin: 0; color: var(--muted); font-size: 12px; }
        .content-meta { margin-top: 8px; color: #85939b; font-size: 11px; }
        .info-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; }
        .info-panel { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
        .info-cell { min-height: 112px; padding: 17px; border: 1px solid var(--line); border-radius: 6px; background: white; }
        .info-cell strong { display: block; margin-bottom: 7px; font-size: 14px; }
        .info-cell span { color: var(--muted); font-size: 12px; }
        .faq-list { border-top: 1px solid var(--line); }
        .faq-item { padding: 20px 0; border-bottom: 1px solid var(--line); }
        .faq-item h3 { margin: 0 0 7px; font-size: 16px; }
        .faq-item p { margin: 0; color: var(--muted); font-size: 14px; }
        .closing {
            padding: 54px 0;
            color: white;
            background: #14677a;
        }
        .closing-inner { display: flex; justify-content: space-between; align-items: center; gap: 30px; }
        .closing h2 { margin: 0 0 7px; font-size: 26px; }
        .closing p { margin: 0; color: rgba(255,255,255,.78); font-size: 14px; }
        .closing .btn-primary-custom { color: var(--blue-dark); background: white; box-shadow: none; }
        .closing .btn-primary-custom:hover { color: var(--blue-dark); background: #e6f5f1; }
        .site-footer { padding: 36px 0 24px; color: #c4d4da; background: #122f3b; }
        .footer-main { display: flex; justify-content: space-between; gap: 35px; padding-bottom: 25px; }
        .footer-brand { max-width: 470px; }
        .footer-brand .brand { color: white; }
        .footer-brand p { margin: 13px 0 0; color: #a9bdc5; font-size: 13px; }
        .footer-links { display: flex; gap: 24px; align-items: flex-start; }
        .footer-links a { color: #d0dce1; font-size: 13px; }
        .footer-links a:hover { color: white; }
        .footer-bottom { display: flex; justify-content: space-between; gap: 18px; padding-top: 18px; border-top: 1px solid rgba(255,255,255,.13); color: #8fa7b0; font-size: 11px; }
        .search-notice { margin-top: 10px; color: #526a76; font-size: 13px; }
        @media (max-width: 1024px) {
            .nav-shell { gap: 15px; }
            .brand { font-size: 15px; }
            .nav-links { margin-left: 0; }
            .search-form { width: 205px; }
            .trust-item { padding-inline: 14px; }
            .split-layout { gap: 34px; }
            .topic-grid { grid-template-columns: repeat(2, 1fr); }
        }
        @media (max-width: 768px) {
            .container-shell { width: min(calc(100% - 36px), var(--container)); }
            .nav-shell { min-height: 68px; flex-wrap: wrap; gap: 10px; }
            .brand { max-width: calc(100% - 58px); font-size: 14px; }
            .brand-mark { width: 31px; height: 31px; }
            .menu-toggle { display: inline-grid; place-items: center; margin-left: auto; }
            .nav-links { display: none; order: 3; width: 100%; padding: 4px 0 12px; border-top: 1px solid var(--line); }
            .nav-links.open { display: flex; }
            .nav-tools { order: 2; width: 100%; display: none; margin: 0; padding-bottom: 13px; }
            .nav-tools.open { display: flex; }
            .search-form { width: 100%; }
            .language-label { padding-left: 10px; }
            .hero { min-height: 490px; background-position: 56% center; }
            .hero-content { padding-block: 64px 72px; }
            .hero-copy { font-size: 15px; }
            .trust-inner { grid-template-columns: repeat(2, 1fr); }
            .trust-item:nth-child(3) { border-left: 0; border-top: 1px solid var(--line); }
            .trust-item:nth-child(4) { border-top: 1px solid var(--line); }
            .section { padding: 64px 0; }
            .split-layout, .quality-band, .content-grid, .quote-layout, .info-grid { grid-template-columns: 1fr; }
            .editorial-image { min-height: 290px; order: 2; }
            .quality-band { gap: 22px; }
            .step-grid { grid-template-columns: repeat(2, 1fr); }
            .feature-three { grid-template-columns: 1fr; }
            .feature-block { min-height: 0; }
            .timeline { grid-template-columns: 1fr; gap: 20px; }
            .closing-inner { align-items: flex-start; flex-direction: column; }
            .footer-main { flex-direction: column; }
        }
        @media (max-width: 520px) {
            .container-shell { width: min(calc(100% - 30px), var(--container)); }
            .nav-links.open { align-items: stretch; flex-direction: column; gap: 2px; }
            .nav-link { padding: 8px 10px; }
            .hero { min-height: 500px; }
            .hero-content { padding-block: 53px 68px; }
            h1 { font-size: 36px; }
            .hero-actions { align-items: stretch; flex-direction: column; max-width: 250px; }
            .trust-item { min-height: 80px; gap: 9px; padding: 12px 10px; }
            .trust-icon { width: 32px; height: 32px; font-size: 15px; }
            .trust-item strong { font-size: 12px; }
            .trust-item span { font-size: 10px; }
            .section { padding: 52px 0; }
            .section-title { font-size: 26px; }
            .topic-grid, .step-grid, .content-list, .quality-metrics, .quote-proof, .info-panel { grid-template-columns: 1fr; }
            .topic-card { min-height: 180px; }
            .metric { padding: 12px 0; border-left: 0; border-top: 1px solid rgba(255,255,255,.2); }
            .story-feature { min-height: 285px; padding: 20px; }
            .story-row { grid-template-columns: 66px 1fr; gap: 12px; padding: 13px; }
            .story-code { min-height: 60px; font-size: 11px; }
            blockquote { font-size: 19px; }
            .content-row { flex-direction: column; gap: 10px; }
            .footer-links { flex-wrap: wrap; gap: 13px 20px; }
            .footer-bottom { flex-direction: column; }
        }
        @media (prefers-reduced-motion: reduce) {
            *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; }
        }

/* roulang page: category1 */
:root {
 --ink:#172b3a; --muted:#647786; --paper:#f4f8fb; --white:#fff;
 --line:#dce6ec; --blue:#176b8a; --blue-dark:#10536e; --teal:#188a78;
 --mint:#dff4ee; --sky:#e4f1f7; --coral:#d66e53; --radius:8px;
 --shadow:0 14px 36px rgba(30,67,87,.09); --container:1180px;
}
*{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",sans-serif;font-size:16px;line-height:1.72;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
a:hover{color:var(--blue)}
button,input{font:inherit}
button,a,input{-webkit-tap-highlight-color:transparent}
button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid rgba(24,138,120,.38);outline-offset:3px}
.container-shell{width:min(calc(100% - 48px),var(--container));margin-inline:auto}
.site-header{position:sticky;top:0;z-index:1000;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);box-shadow:0 5px 20px rgba(25,57,74,.035);backdrop-filter:blur(14px)}
.nav-shell{min-height:76px;display:flex;align-items:center;gap:28px}
.brand{display:inline-flex;align-items:center;gap:11px;flex:0 0 auto;font-size:17px;font-weight:750;letter-spacing:0;color:var(--ink)}
.brand-mark{width:34px;height:34px;display:grid;place-items:center;border-radius:7px;color:white;background:var(--blue);font-size:17px;font-weight:800}
.nav-links{display:flex;align-items:center;gap:7px;margin-left:10px}
.nav-link{padding:9px 13px;border-radius:6px;color:#506573;font-size:14px;font-weight:650;transition:background .18s ease,color .18s ease}
.nav-link:hover,.nav-link.active{color:var(--blue-dark);background:#eaf4f7}
.nav-tools{display:flex;align-items:center;gap:12px;margin-left:auto}
.search-form{position:relative;width:min(260px,27vw)}
.search-form input{width:100%;height:40px;padding:0 40px 0 13px;border:1px solid var(--line);border-radius:6px;color:var(--ink);background:#f8fbfc;font-size:13px}
.search-form input::placeholder{color:#82929c}
.search-form button{position:absolute;top:0;right:0;width:40px;height:40px;border:0;color:var(--blue);background:transparent;cursor:pointer}
.menu-toggle{display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:6px;color:var(--ink);background:white}
main{overflow:hidden}
.hero{position:relative;min-height:430px;display:flex;align-items:center;color:white;background:#153a4a url("https://images.unsplash.com/photo-1489599849927-2ee91cede3ba?auto=format&fit=crop&w=2200&q=85") center 42%/cover no-repeat;isolation:isolate}
.hero::before{position:absolute;z-index:-1;inset:0;content:"";background:linear-gradient(90deg,rgba(13,36,49,.91) 0%,rgba(13,42,55,.79) 43%,rgba(16,51,64,.32) 100%)}
.hero-content{padding-block:62px 68px;max-width:800px}
.eyebrow{display:inline-flex;align-items:center;gap:9px;margin-bottom:16px;color:#bfe8df;font-size:13px;font-weight:700}
.eyebrow::before{width:24px;height:2px;content:"";background:#70c4b0}
h1{max-width:790px;margin:0 0 16px;font-size:clamp(36px,5vw,58px);line-height:1.18;font-weight:780;letter-spacing:0}
.hero-copy{max-width:760px;margin:0;color:rgba(255,255,255,.86);font-size:17px;line-height:1.9}
.hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:13px;margin-top:24px}
.btn-primary-custom,.btn-outline-custom{min-height:46px;display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:11px 18px;border:1px solid transparent;border-radius:6px;font-size:14px;font-weight:700;transition:transform .18s ease,background .18s ease,box-shadow .18s ease}
.btn-primary-custom{color:white;background:var(--teal);box-shadow:0 8px 18px rgba(6,93,77,.23)}
.btn-primary-custom:hover{color:white;background:#117968;transform:translateY(-2px);box-shadow:0 12px 22px rgba(6,93,77,.32)}
.btn-outline-custom{color:white;border-color:rgba(255,255,255,.48);background:rgba(255,255,255,.07)}
.btn-outline-custom:hover{color:white;border-color:white;background:rgba(255,255,255,.15)}
.hero-note{margin-top:16px;color:rgba(255,255,255,.68);font-size:13px}
.section{padding:76px 0}
.section-white{background:white}
.section-tint{background:#edf5f7}
.section-dark{color:white;background:#183d4b}
.section-head{max-width:760px;margin-bottom:32px}
.section-kicker{display:block;margin-bottom:8px;color:var(--teal);font-size:12px;font-weight:750}
.section-title{margin:0 0 12px;font-size:32px;line-height:1.3;font-weight:760}
.section-copy{margin:0;color:var(--muted);font-size:15px}
.section-dark .section-copy{color:rgba(255,255,255,.72)}
.milestone-wrap{padding:0 0 32px;background:#fff}
.milestone-panel{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);background:#fff;overflow:hidden}
.milestone{position:relative;padding:23px 22px 21px;min-height:122px}
.milestone+.milestone{border-left:1px solid var(--line)}
.milestone-top{display:flex;align-items:center;gap:9px;margin-bottom:10px}
.milestone-dot{width:9px;height:9px;flex:none;border-radius:50%;background:var(--teal);box-shadow:0 0 0 4px var(--mint)}
.milestone time{color:var(--muted);font-size:12px;font-weight:700}
.milestone strong{display:block;font-size:15px}
.milestone p{margin:4px 0 0;color:var(--muted);font-size:13px;line-height:1.6}
.split-layout{display:grid;grid-template-columns:.88fr 1.12fr;gap:58px;align-items:start}
.quality-list{display:grid;gap:0;border-top:1px solid var(--line)}
.quality-row{display:grid;grid-template-columns:50px 1fr;gap:16px;padding:20px 0;border-bottom:1px solid var(--line)}
.quality-index{color:var(--teal);font-size:13px;font-weight:800}
.quality-row h3{margin:0 0 5px;font-size:17px;font-weight:730}
.quality-row p{margin:0;color:var(--muted);font-size:14px}
.metric-panel{padding:26px;background:#e7f2f5;border-radius:var(--radius)}
.metric-panel h3{margin:0 0 19px;font-size:18px}
.metric-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.metric{min-height:112px;padding:17px;border:1px solid rgba(23,107,138,.12);border-radius:6px;background:rgba(255,255,255,.83)}
.metric strong{display:block;color:var(--blue-dark);font-size:22px;line-height:1.25}
.metric span{display:block;margin-top:6px;color:var(--muted);font-size:12px}
.topic-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:20px}
.topic-feature{min-height:310px;display:flex;align-items:end;padding:30px;color:#fff;border-radius:var(--radius);background:linear-gradient(0deg,rgba(13,37,49,.88),rgba(13,37,49,.02) 75%),url("https://images.unsplash.com/photo-1485846234645-a62644f84728?auto=format&fit=crop&w=1200&q=80") center/cover}
.topic-feature h3{max-width:500px;margin:0 0 8px;font-size:27px;line-height:1.35}
.topic-feature p{max-width:530px;margin:0;color:rgba(255,255,255,.82);font-size:14px}
.topic-stack{display:grid;gap:14px}
.topic-item{display:flex;flex-direction:column;justify-content:center;min-height:148px;padding:22px 24px;background:white;border-left:3px solid var(--teal);box-shadow:0 7px 20px rgba(30,67,87,.05)}
.topic-item span{margin-bottom:7px;color:var(--teal);font-size:12px;font-weight:750}
.topic-item h3{margin:0 0 5px;font-size:18px}
.topic-item p{margin:0;color:var(--muted);font-size:13px}
.screening-layout{display:grid;grid-template-columns:1fr 1fr;gap:42px;align-items:center}
.screening-visual{position:relative;min-height:340px;overflow:hidden;border-radius:var(--radius);background:#dbe9ee}
.screening-visual img{width:100%;height:340px;display:block;object-fit:cover}
.image-caption{position:absolute;inset:auto 0 0;padding:36px 22px 18px;color:#fff;background:linear-gradient(transparent,rgba(10,34,46,.82));font-size:14px;font-weight:650}
.check-list{list-style:none;margin:22px 0 0;padding:0}
.check-list li{display:grid;grid-template-columns:25px 1fr;gap:10px;padding:12px 0;border-bottom:1px solid var(--line);font-size:14px}
.check-mark{width:20px;height:20px;display:grid;place-items:center;border-radius:50%;color:var(--teal);background:var(--mint);font-size:12px;font-weight:800}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.tag{display:inline-flex;align-items:center;padding:6px 10px;border:1px solid var(--line);border-radius:5px;color:#506573;background:#fff;font-size:12px;font-weight:650}
.feature-band{display:grid;grid-template-columns:1fr auto;gap:30px;align-items:center;padding:30px 34px;border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.055)}
.feature-band h2{margin:0 0 7px;font-size:24px}
.feature-band p{max-width:690px;margin:0;color:rgba(255,255,255,.72);font-size:14px}
.editorial-list{border-top:1px solid var(--line)}
.editorial-row{display:grid;grid-template-columns:160px 1fr auto;align-items:center;gap:22px;padding:20px 4px;border-bottom:1px solid var(--line);transition:padding .18s ease,background .18s ease}
.editorial-row:hover{padding-left:10px;padding-right:10px;background:#f7fafb}
.editorial-date{color:var(--muted);font-size:12px}
.editorial-row h3{margin:0 0 4px;font-size:16px;font-weight:720}
.editorial-row p{margin:0;color:var(--muted);font-size:13px}
.editorial-arrow{color:var(--blue);font-size:20px}
.matrix{display:grid;grid-template-columns:1.1fr 1fr 1fr;gap:0;border:1px solid var(--line);background:white}
.matrix-col{padding:26px 25px}
.matrix-col+.matrix-col{border-left:1px solid var(--line)}
.matrix-col h3{margin:0 0 14px;font-size:16px}
.matrix-col ul{list-style:none;margin:0;padding:0}
.matrix-col li{padding:9px 0;border-bottom:1px solid #edf1f3;color:var(--muted);font-size:13px}
.matrix-col li:last-child{border-bottom:0}
.matrix-col li strong{color:var(--ink);font-weight:650}
.faq-list{border-top:1px solid var(--line)}
.faq-item{padding:20px 0;border-bottom:1px solid var(--line)}
.faq-item h3{margin:0 0 7px;font-size:16px}
.faq-item p{margin:0;color:var(--muted);font-size:14px}
.site-footer{padding:46px 0 20px;background:#fff;border-top:1px solid var(--line)}
.footer-main{display:flex;justify-content:space-between;gap:40px;padding-bottom:30px}
.footer-brand{max-width:470px}
.footer-brand p{margin:15px 0 0;color:var(--muted);font-size:13px}
.footer-links{display:flex;align-items:flex-start;flex-wrap:wrap;gap:12px 24px}
.footer-links a{color:#506573;font-size:13px;font-weight:650}
.footer-links a:hover{color:var(--blue)}
.footer-bottom{display:flex;justify-content:space-between;gap:20px;padding-top:18px;border-top:1px solid var(--line);color:#7c8b94;font-size:12px}
@media(max-width:1024px){.nav-shell{gap:17px}.search-form{width:200px}.split-layout{gap:32px}.section{padding:66px 0}}
@media(max-width:768px){
 .container-shell{width:min(calc(100% - 36px),var(--container))}
 .nav-shell{min-height:68px;flex-wrap:wrap;gap:0}
 .brand{font-size:15px}
 .nav-tools{gap:8px}
 .search-form{display:none}
 .menu-toggle{display:grid;place-items:center}
 .nav-links{display:none;order:3;width:100%;margin:0;padding:0 0 12px}
 .nav-links.is-open{display:flex}
 .hero{min-height:400px}
 .hero-content{padding-block:52px}
 .hero-copy{font-size:15px}
 .milestone-panel{grid-template-columns:1fr 1fr}
 .milestone:nth-child(3){border-left:0;border-top:1px solid var(--line)}
 .milestone:nth-child(4){border-top:1px solid var(--line)}
 .split-layout,.screening-layout,.topic-grid{grid-template-columns:1fr}
 .topic-feature{min-height:260px}
 .screening-visual,.screening-visual img{height:290px;min-height:290px}
 .matrix{grid-template-columns:1fr}
 .matrix-col+.matrix-col{border-left:0;border-top:1px solid var(--line)}
 .feature-band{grid-template-columns:1fr}
 .section-title{font-size:28px}
}
@media(max-width:520px){
 .container-shell{width:min(calc(100% - 28px),var(--container))}
 .section{padding:54px 0}
 .hero{min-height:430px}
 h1{font-size:36px}
 .hero-actions{align-items:stretch;flex-direction:column}
 .hero-actions a{width:100%}
 .milestone{padding:17px 14px}
 .milestone strong{font-size:14px}
 .metric-grid{grid-template-columns:1fr 1fr}
 .metric{padding:13px;min-height:100px}
 .metric strong{font-size:19px}
 .editorial-row{grid-template-columns:1fr auto;gap:6px 12px}
 .editorial-date{grid-column:1/-1}
 .editorial-row p{font-size:12px}
 .footer-main,.footer-bottom{flex-direction:column}
 .footer-main{gap:22px}
 .footer-links{gap:12px 18px}
 .feature-band{padding:24px 20px}
}