/* roulang page: index */
:root {
      color-scheme: light;
      --paper: #f6f7f5;
      --surface: #ffffff;
      --ink: #17211e;
      --muted: #65716c;
      --line: #dfe5e0;
      --line-dark: #29332f;
      --acid: #c8f169;
      --coral: #ef765d;
      --moss: #61766b;
      --radius: 8px;
      --shadow-soft: 0 10px 28px rgba(23, 33, 30, .08);
      --content: 1200px;
      --nav-height: 76px;
    }

    *, *::before, *::after { box-sizing: border-box; }
    html { scroll-behavior: smooth; scroll-padding-top: calc(var(--nav-height) + 16px); }
    body {
      margin: 0;
      background: var(--paper);
      color: var(--ink);
      font-family: "Noto Sans SC", "Microsoft YaHei", "PingFang SC", system-ui, sans-serif;
      font-size: 15px;
      line-height: 1.65;
      -webkit-font-smoothing: antialiased;
    }
    a { color: inherit; text-decoration: none; }
    img { display: block; max-width: 100%; }
    button, input, textarea { font: inherit; }
    button, a { -webkit-tap-highlight-color: transparent; }
    button:focus-visible, a:focus-visible, input:focus-visible, textarea:focus-visible, summary:focus-visible {
      outline: 3px solid rgba(239, 118, 93, .62);
      outline-offset: 3px;
    }
    .container { width: min(calc(100% - 48px), var(--content)); margin-inline: auto; }
    .site-header {
      position: sticky; top: 0; z-index: 50;
      height: var(--nav-height);
      background: rgba(246, 247, 245, .96);
      border-bottom: 1px solid var(--line);
      backdrop-filter: blur(12px);
    }
    .nav-row { height: 100%; display: flex; align-items: center; gap: 28px; }
    .brand { display: inline-flex; align-items: center; gap: 11px; flex: 0 0 auto; min-width: 0; }
    .brand-mark {
      width: 39px; height: 39px; border-radius: 6px;
      display: grid; place-items: center; background: var(--ink); color: var(--acid);
      font-size: 17px; font-weight: 900; letter-spacing: 0;
      border: 1px solid var(--ink);
    }
    .brand-name { font-size: 15px; font-weight: 850; line-height: 1.25; white-space: nowrap; }
    .brand-sub { display: block; color: var(--muted); font-size: 10px; font-weight: 650; margin-top: 2px; }
    .desktop-nav { display: flex; align-items: center; gap: 5px; margin-left: auto; }
    .nav-link {
      padding: 10px 12px; border-radius: 5px; color: #4e5a55; font-size: 13px; font-weight: 700;
      transition: color .18s ease, background .18s ease;
    }
    .nav-link:hover, .nav-link[aria-current="page"] { color: var(--ink); background: #e9eee9; }
    .nav-cta {
      display: inline-flex; align-items: center; justify-content: center; gap: 8px;
      min-height: 42px; padding: 0 16px; border: 1px solid var(--ink); border-radius: 5px;
      background: var(--acid); color: var(--ink); font-size: 13px; font-weight: 850;
      transition: transform .18s ease, background .18s ease;
    }
    .nav-cta:hover { transform: translateY(-1px); background: #d5f58b; }
    .menu-toggle {
      display: none; width: 44px; height: 44px; margin-left: auto; place-items: center;
      background: transparent; color: var(--ink); border: 1px solid var(--line); border-radius: 5px;
      cursor: pointer;
    }
    .menu-toggle span, .menu-toggle span::before, .menu-toggle span::after {
      display: block; width: 17px; height: 2px; background: currentColor; position: relative;
    }
    .menu-toggle span::before, .menu-toggle span::after { content: ""; position: absolute; left: 0; }
    .menu-toggle span::before { top: -6px; }
    .menu-toggle span::after { top: 6px; }
    .mobile-nav { display: none; }

    .hero {
      position: relative; overflow: hidden; color: #f6f7f5; background: var(--ink);
      min-height: 420px; display: flex; align-items: center;
      border-bottom: 5px solid var(--acid);
    }
    .hero::before {
      content: ""; position: absolute; inset: 0 0 0 auto; width: 36%;
      opacity: .18; pointer-events: none;
      background-image: linear-gradient(135deg, transparent 24%, #c8f169 24.3%, transparent 24.8%, transparent 49%, #c8f169 49.3%, transparent 49.8%);
      background-size: 44px 44px;
      mask-image: linear-gradient(90deg, transparent, #000 40%);
    }
    .hero-inner { position: relative; z-index: 1; padding-top: 44px; padding-bottom: 40px; }
    .hero-kicker {
      display: inline-flex; align-items: center; gap: 9px; margin-bottom: 15px;
      color: var(--acid); font-size: 11px; font-weight: 850; letter-spacing: 0;
    }
    .hero-kicker::before { content: ""; width: 22px; height: 2px; background: var(--acid); }
    .hero h1 { max-width: 760px; margin: 0; font-size: clamp(36px, 5vw, 58px); line-height: 1.12; font-weight: 900; }
    .hero h1 em { color: var(--acid); font-style: normal; }
    .hero-subtitle { margin: 13px 0 0; color: #d5ddd8; font-size: 19px; font-weight: 650; }
    .hero-copy { max-width: 710px; margin: 14px 0 0; color: #b8c3bd; font-size: 14px; line-height: 1.9; }
    .hero-actions { display: flex; align-items: center; gap: 11px; margin-top: 23px; }
    .button {
      display: inline-flex; align-items: center; justify-content: center; gap: 9px;
      min-height: 46px; padding: 0 18px; border: 1px solid transparent; border-radius: 5px;
      font-size: 13px; font-weight: 850; cursor: pointer;
      transition: transform .18s ease, background .18s ease, border-color .18s ease, color .18s ease;
    }
    .button:hover { transform: translateY(-2px); }
    .button-primary { background: var(--acid); border-color: var(--acid); color: var(--ink); }
    .button-primary:hover { background: #d5f58b; }
    .button-ghost { background: transparent; border-color: #65716c; color: #f6f7f5; }
    .button-ghost:hover { background: #29332f; border-color: #aab6af; }
    .hero-foot { display: flex; flex-wrap: wrap; gap: 10px 21px; margin-top: 24px; color: #a8b4ad; font-size: 11px; }
    .hero-foot span::before { content: "＋"; color: var(--acid); font-weight: 900; margin-right: 6px; }

    main { display: block; }
    .section { padding: 65px 0; border-bottom: 1px solid var(--line); }
    .section-tight { padding: 42px 0; }
    .section-dark { background: #202b27; color: #f6f7f5; border-color: #35413b; }
    .section-warm { background: #eef1ec; }
    .section-head { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: 27px; }
    .section-title-wrap { max-width: 720px; }
    .eyebrow {
      display: block; margin-bottom: 7px; color: var(--moss); font-size: 10px; font-weight: 900;
      letter-spacing: 0;
    }
    .section-dark .eyebrow { color: var(--acid); }
    .section-title { margin: 0; font-size: 27px; line-height: 1.25; font-weight: 900; }
    .section-desc { max-width: 680px; margin: 9px 0 0; color: var(--muted); font-size: 13px; line-height: 1.85; }
    .section-dark .section-desc { color: #b8c3bd; }
    .text-link { display: inline-flex; align-items: center; gap: 8px; flex: 0 0 auto; color: var(--ink); font-size: 12px; font-weight: 850; }
    .text-link:hover { color: #6a843b; }
    .text-link::after { content: "↗"; color: var(--coral); font-size: 16px; }

    .metric-grid { display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid var(--line); background: var(--surface); }
    .metric { min-height: 104px; padding: 20px 22px; border-right: 1px solid var(--line); }
    .metric:last-child { border-right: 0; }
    .metric-number { display: flex; align-items: baseline; gap: 5px; font-size: 27px; line-height: 1; font-weight: 900; }
    .metric-number small { font-size: 11px; color: var(--moss); font-weight: 800; }
    .metric-label { margin-top: 9px; color: var(--muted); font-size: 11px; font-weight: 700; }
    .metric-status { display: inline-flex; align-items: center; gap: 6px; margin-top: 6px; color: #53665b; font-size: 10px; }
    .status-dot { width: 6px; height: 6px; border-radius: 50%; background: #80a744; }

    .matrix-layout { display: grid; grid-template-columns: 1.05fr 1.95fr; gap: 20px; }
    .matrix-feature {
      min-height: 270px; padding: 25px; display: flex; flex-direction: column; justify-content: space-between;
      background: var(--acid); border-radius: var(--radius); position: relative; overflow: hidden;
    }
    .matrix-feature::after {
      content: "91"; position: absolute; right: -5px; bottom: -43px; color: rgba(23, 33, 30, .08);
      font-size: 180px; line-height: 1; font-weight: 950;
    }
    .matrix-feature > * { position: relative; z-index: 1; }
    .matrix-feature h3 { max-width: 280px; margin: 0; font-size: 25px; line-height: 1.3; font-weight: 900; }
    .matrix-feature p { max-width: 320px; margin: 10px 0 0; color: #3f5145; font-size: 12px; line-height: 1.85; }
    .matrix-feature a { width: fit-content; padding: 8px 11px; border: 1px solid rgba(23,33,30,.35); border-radius: 4px; font-size: 11px; font-weight: 850; }
    .matrix-feature a:hover { background: var(--ink); color: white; }
    .matrix-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
    .matrix-item {
      min-height: 127px; padding: 17px; background: white; border: 1px solid var(--line); border-radius: 6px;
      display: flex; flex-direction: column; justify-content: space-between;
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
    }
    .matrix-item:hover { transform: translateY(-3px); border-color: #aebbb2; box-shadow: var(--shadow-soft); }
    .matrix-icon { width: 28px; height: 28px; display: grid; place-items: center; border-radius: 5px; background: #edf2e9; color: #536d35; font-size: 14px; font-weight: 900; }
    .matrix-item strong { display: block; font-size: 13px; font-weight: 850; }
    .matrix-item small { display: block; margin-top: 3px; color: var(--muted); font-size: 10px; }

    .poster-grid { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 22px 15px; }
    .poster-card { min-width: 0; }
    .poster-frame { aspect-ratio: 2 / 2.85; position: relative; overflow: hidden; background: #d9dfd9; border-radius: 5px; }
    .poster-frame img { width: 100%; height: 100%; object-fit: cover; transition: transform .35s ease; }
    .poster-card:hover .poster-frame img { transform: scale(1.04); }
    .poster-frame::after { content: ""; position: absolute; inset: 48% 0 0; background: linear-gradient(transparent, rgba(0,0,0,.45)); pointer-events: none; }
    .poster-tag {
      position: absolute; z-index: 2; top: 8px; left: 8px; padding: 4px 6px; border-radius: 3px;
      background: var(--acid); color: var(--ink); font-size: 9px; line-height: 1.2; font-weight: 900;
    }
    .poster-tag.tag-coral { background: var(--coral); color: white; }
    .poster-tag.tag-dark { background: rgba(23,33,30,.88); color: white; }
    .poster-info { padding-top: 9px; }
    .poster-title { margin: 0; overflow: hidden; color: var(--ink); font-size: 12px; line-height: 1.45; font-weight: 850; 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: 10px; }
    .rating { color: #a45b38; font-weight: 900; white-space: nowrap; }
    .poster-kind { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
    .poster-placeholder {
      display: grid; place-items: center; width: 100%; height: 100%; color: #68756d;
      background: repeating-linear-gradient(135deg, #e5e9e5 0 12px, #dce2dc 12px 24px);
      font-size: 12px; font-weight: 850;
    }

    .feature-strip { display: grid; grid-template-columns: 1.3fr .7fr; gap: 18px; align-items: stretch; }
    .feature-main {
      min-height: 310px; position: relative; overflow: hidden; border-radius: 6px; background: #2b3731;
    }
    .feature-main img { width: 100%; height: 100%; min-height: 310px; object-fit: cover; opacity: .8; }
    .feature-main::after { content: ""; position: absolute; inset: 35% 0 0; background: linear-gradient(transparent, rgba(12,19,16,.88)); }
    .feature-copy { position: absolute; z-index: 1; inset: auto 24px 22px; color: white; }
    .feature-copy .tag-line { color: var(--acid); font-size: 10px; font-weight: 850; }
    .feature-copy h3 { margin: 5px 0; font-size: 22px; line-height: 1.3; font-weight: 900; }
    .feature-copy p { max-width: 520px; margin: 0; color: #d0d8d2; font-size: 11px; }
    .feature-side { display: grid; gap: 12px; }
    .feature-mini {
      display: grid; grid-template-columns: 92px 1fr; gap: 13px; min-height: 0;
      padding: 10px; background: white; border: 1px solid var(--line); border-radius: 6px;
    }
    .feature-mini img { width: 92px; height: 100%; min-height: 105px; object-fit: cover; border-radius: 4px; }
    .feature-mini h3 { margin: 7px 0 5px; font-size: 13px; line-height: 1.45; font-weight: 850; }
    .feature-mini p { margin: 0; color: var(--muted); font-size: 10px; line-height: 1.7; }
    .feature-mini .rating { display: inline-block; margin-top: 8px; font-size: 10px; }

    .channel-layout { display: grid; grid-template-columns: 1fr 2fr; gap: 28px; align-items: start; }
    .channel-aside { padding-top: 5px; }
    .channel-aside p { margin: 12px 0 0; color: var(--muted); font-size: 13px; line-height: 1.9; }
    .channel-list { border-top: 1px solid var(--line); }
    .channel-row {
      display: grid; grid-template-columns: 45px 125px 1fr 24px; gap: 15px; align-items: center;
      min-height: 79px; border-bottom: 1px solid var(--line); transition: padding .18s ease, background .18s ease;
    }
    .channel-row:hover { padding-inline: 9px; background: #edf1ec; }
    .channel-no { color: #9ba69e; font-size: 11px; font-weight: 850; }
    .channel-name { font-size: 15px; font-weight: 900; }
    .channel-mark { width: 4px; height: 24px; margin-right: 8px; display: inline-block; vertical-align: middle; background: var(--coral); }
    .channel-row:nth-child(2) .channel-mark { background: #85a849; }
    .channel-row:nth-child(3) .channel-mark { background: #599493; }
    .channel-row:nth-child(4) .channel-mark { background: #b99552; }
    .channel-row:nth-child(5) .channel-mark { background: #8c77a1; }
    .channel-desc { color: var(--muted); font-size: 11px; line-height: 1.75; }
    .channel-arrow { color: var(--coral); font-size: 17px; font-weight: 900; }

    .rank-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 35px; }
    .rank-list { list-style: none; padding: 0; margin: 0; }
    .rank-item {
      display: grid; grid-template-columns: 34px minmax(0,1fr) auto; align-items: center; gap: 12px;
      min-height: 54px; border-bottom: 1px solid #3a4640;
    }
    .rank-num { color: #95a49b; font-size: 13px; font-weight: 900; font-variant-numeric: tabular-nums; }
    .rank-item:nth-child(-n+3) .rank-num { color: var(--acid); }
    .rank-main { min-width: 0; }
    .rank-title { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 12px; font-weight: 850; }
    .rank-category { display: inline-block; margin-left: 7px; padding: 2px 5px; border: 1px solid #59655e; border-radius: 3px; color: #bdc8c1; font-size: 9px; vertical-align: 1px; }
    .rank-data { display: flex; gap: 12px; color: #b5c0b9; font-size: 10px; white-space: nowrap; }
    .rank-data b { color: var(--acid); font-weight: 850; }

    .compare-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
    .compare-panel { padding: 22px 24px; border: 1px solid var(--line); border-radius: 6px; background: white; }
    .compare-panel h3 { margin: 0 0 17px; font-size: 14px; font-weight: 900; }
    .compare-row { display: grid; grid-template-columns: 100px 1fr auto; align-items: center; gap: 11px; padding: 11px 0; border-top: 1px solid #e9ede9; font-size: 11px; }
    .compare-name { color: var(--muted); font-weight: 700; }
    .compare-bar { height: 8px; background: #e8ece7; border-radius: 2px; overflow: hidden; }
    .compare-fill { height: 100%; background: var(--moss); border-radius: 2px; }
    .compare-fill.alt { background: var(--coral); }
    .compare-value { font-weight: 850; font-variant-numeric: tabular-nums; }
    .compare-note { margin: 13px 0 0; color: var(--muted); font-size: 10px; }

    .timeline { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid #55615a; }
    .timeline-item { position: relative; padding: 21px 22px 4px 0; }
    .timeline-item::before { content: ""; position: absolute; top: -5px; left: 0; width: 9px; height: 9px; border-radius: 50%; background: var(--acid); border: 2px solid #202b27; box-shadow: 0 0 0 1px var(--acid); }
    .timeline-date { color: var(--acid); font-size: 10px; font-weight: 900; }
    .timeline-item h3 { margin: 7px 0 5px; font-size: 13px; font-weight: 850; }
    .timeline-item p { max-width: 240px; margin: 0; color: #b8c3bd; font-size: 10px; line-height: 1.75; }

    .news-layout { display: grid; grid-template-columns: 1.05fr .95fr; gap: 32px; }
    .news-lead { display: grid; grid-template-columns: 44% 1fr; gap: 19px; align-items: center; }
    .news-lead img { width: 100%; aspect-ratio: 1.28; object-fit: cover; border-radius: 5px; }
    .news-lead small, .news-item time { color: var(--moss); font-size: 10px; font-weight: 850; }
    .news-lead h3 { margin: 7px 0; font-size: 17px; line-height: 1.45; font-weight: 900; }
    .news-lead p { margin: 0; color: var(--muted); font-size: 11px; line-height: 1.8; }
    .news-list { border-top: 1px solid var(--line); }
    .news-item { display: grid; grid-template-columns: 76px 1fr; gap: 13px; align-items: center; min-height: 67px; border-bottom: 1px solid var(--line); }
    .news-item img { width: 76px; height: 48px; object-fit: cover; border-radius: 3px; }
    .news-item h3 { margin: 3px 0 0; font-size: 11px; line-height: 1.55; font-weight: 850; }

    .assurance-grid { display: grid; grid-template-columns: 1.2fr 1fr 1fr 1fr; gap: 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
    .assurance-intro, .assurance-item { padding: 23px 20px 23px 0; }
    .assurance-intro h3 { margin: 0; font-size: 18px; line-height: 1.4; font-weight: 900; }
    .assurance-intro p { margin: 8px 0 0; color: var(--muted); font-size: 11px; line-height: 1.8; }
    .assurance-item { padding-left: 20px; border-left: 1px solid var(--line); }
    .assurance-item strong { display: block; font-size: 12px; font-weight: 900; }
    .assurance-item p { margin: 7px 0 0; color: var(--muted); font-size: 10px; line-height: 1.8; }
    .assurance-icon { display: grid; place-items: center; width: 28px; height: 28px; margin-bottom: 10px; border-radius: 5px; background: #e8efe1; color: #536d35; font-size: 14px; font-weight: 900; }

    .quick-grid { display: grid; grid-template-columns: 1fr 1fr 1fr; border: 1px solid var(--line); background: white; }
    .quick-item { min-height: 109px; padding: 18px 20px; border-right: 1px solid var(--line); }
    .quick-item:last-child { border-right: 0; }
    .quick-item span { display: block; color: var(--coral); font-size: 10px; font-weight: 900; }
    .quick-item h3 { margin: 5px 0 4px; font-size: 13px; font-weight: 900; }
    .quick-item p { margin: 0; color: var(--muted); font-size: 10px; line-height: 1.7; }

    .guide-steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; border-top: 1px solid var(--line); }
    .guide-step { position: relative; padding: 22px 30px 4px 0; }
    .guide-step + .guide-step { padding-left: 24px; border-left: 1px solid var(--line); }
    .guide-step b { color: var(--coral); font-size: 11px; font-weight: 900; }
    .guide-step h3 { margin: 6px 0; font-size: 14px; font-weight: 900; }
    .guide-step p { margin: 0; color: var(--muted); font-size: 11px; line-height: 1.8; }

    .topic-grid { display: grid; grid-template-columns: 1.1fr .9fr .9fr; gap: 12px; }
    .topic-card { min-height: 175px; padding: 19px; display: flex; flex-direction: column; justify-content: space-between; border-radius: 6px; background: white; border: 1px solid var(--line); }
    .topic-card:first-child { background: #e3ebdb; border-color: #d2ddc8; }
    .topic-top { display: flex; justify-content: space-between; gap: 12px; color: var(--moss); font-size: 10px; font-weight: 850; }
    .topic-card h3 { margin: 18px 0 4px; font-size: 17px; font-weight: 900; }
    .topic-card p { margin: 0; max-width: 290px; color: var(--muted); font-size: 10px; line-height: 1.75; }
    .topic-card a { align-self: flex-start; margin-top: 13px; color: var(--ink); font-size: 10px; font-weight: 900; }
    .topic-card a:hover { color: #738d45; }

    .update-list { display: grid; grid-template-columns: 1fr 1fr; gap: 0 32px; border-top: 1px solid var(--line); }
    .update-item { display: grid; grid-template-columns: 78px 1fr auto; gap: 12px; align-items: center; min-height: 57px; border-bottom: 1px solid var(--line); }
    .update-time { color: var(--moss); font-size: 10px; font-weight: 850; }
    .update-item strong { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 11px; font-weight: 850; }
    .update-state { padding: 3px 6px; border-radius: 3px; background: #e7f0db; color: #536d35; font-size: 9px; font-weight: 850; }

    .faq-grid { display: grid; grid-template-columns: .7fr 1.3fr; gap: 40px; align-items: start; }
    .faq-intro p { margin: 10px 0 0; color: var(--muted); font-size: 12px; line-height: 1.85; }
    .faq-list { border-top: 1px solid var(--line); }
    .faq-item { border-bottom: 1px solid var(--line); }
    .faq-item summary { position: relative; padding: 16px 35px 16px 0; list-style: none; cursor: pointer; font-size: 12px; font-weight: 850; }
    .faq-item summary::-webkit-details-marker { display: none; }
    .faq-item summary::after { content: "+"; position: absolute; right: 5px; top: 12px; color: var(--coral); font-size: 20px; font-weight: 500; }
    .faq-item[open] summary::after { content: "−"; }
    .faq-answer { padding: 0 30px 16px 0; color: var(--muted); font-size: 11px; line-height: 1.85; }

    .contact-section { padding: 56px 0; background: var(--acid); }
    .contact-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
    .contact-copy h2 { max-width: 480px; margin: 0; font-size: 30px; line-height: 1.25; font-weight: 950; }
    .contact-copy p { max-width: 480px; margin: 12px 0 0; color: #435143; font-size: 12px; line-height: 1.85; }
    .contact-form { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
    .field { min-width: 0; }
    .field-wide { grid-column: 1 / -1; }
    .field label { display: block; margin-bottom: 5px; color: #3f5145; font-size: 10px; font-weight: 850; }
    .field input, .field textarea {
      width: 100%; min-height: 43px; padding: 10px 12px; color: var(--ink);
      border: 1px solid rgba(23,33,30,.28); border-radius: 4px; background: rgba(255,255,255,.78);
      transition: border-color .18s ease, background .18s ease;
    }
    .field textarea { min-height: 75px; resize: vertical; }
    .field input::placeholder, .field textarea::placeholder { color: #7b887e; }
    .field input:focus, .field textarea:focus { border-color: var(--ink); background: white; outline: none; }
    .form-submit { grid-column: 1 / -1; justify-self: start; min-width: 150px; background: var(--ink); color: white; }
    .form-submit:hover { background: #303c36; }
    .form-submit:disabled { opacity: .55; cursor: not-allowed; transform: none; }
    .form-note { grid-column: 1 / -1; margin: 0; color: #52614f; font-size: 10px; }
    .form-status { grid-column: 1 / -1; min-height: 18px; color: #293d2d; font-size: 11px; font-weight: 800; }

    .site-footer { background: #17211e; color: #f4f6f3; }
    .footer-main { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 35px; padding: 45px 0 34px; }
    .footer-brand p { max-width: 300px; margin: 13px 0 0; color: #aeb9b2; font-size: 11px; line-height: 1.85; }
    .footer-heading { margin: 1px 0 12px; color: #dce4de; font-size: 11px; font-weight: 900; }
    .footer-links { display: grid; gap: 8px; }
    .footer-links a { width: fit-content; color: #aeb9b2; font-size: 10px; transition: color .18s ease; }
    .footer-links a:hover { color: var(--acid); }
    .footer-bottom { display: flex; justify-content: space-between; gap: 16px; padding: 15px 0; border-top: 1px solid #35413b; color: #96a39a; font-size: 10px; }
    .footer-bottom a { color: #bac5be; }
    .footer-bottom a:hover { color: var(--acid); }

    @media (max-width: 1024px) {
      :root { --content: 900px; }
      .nav-row { gap: 15px; }
      .desktop-nav { gap: 0; }
      .nav-link { padding-inline: 9px; font-size: 12px; }
      .poster-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
      .assurance-grid { grid-template-columns: 1fr 1fr; }
      .assurance-intro, .assurance-item { padding: 19px; }
      .assurance-intro { border-bottom: 1px solid var(--line); }
      .assurance-item:nth-child(2) { border-bottom: 1px solid var(--line); }
      .assurance-item:nth-child(3) { border-left: 0; }
    }
    @media (max-width: 768px) {
      :root { --nav-height: 66px; }
      .container { width: min(calc(100% - 34px), var(--content)); }
      .desktop-nav, .nav-row > .nav-cta { display: none; }
      .menu-toggle { display: grid; }
      .mobile-nav {
        position: absolute; top: calc(var(--nav-height) - 1px); left: 0; right: 0;
        padding: 8px 17px 15px; background: var(--paper); border-bottom: 1px solid var(--line);
        box-shadow: 0 12px 18px rgba(23,33,30,.08);
      }
      .mobile-nav[data-open="true"] { display: grid; }
      .mobile-nav a { padding: 12px 10px; border-bottom: 1px solid var(--line); font-size: 13px; font-weight: 800; }
      .mobile-nav a:last-child { border-bottom: 0; }
      .hero { min-height: 390px; }
      .hero::before { width: 50%; }
      .hero-inner { padding-top: 36px; padding-bottom: 33px; }
      .hero h1 { max-width: 600px; font-size: 42px; }
      .section { padding: 52px 0; }
      .section-tight { padding: 36px 0; }
      .section-head { align-items: start; flex-direction: column; gap: 12px; }
      .matrix-layout { grid-template-columns: 1fr; }
      .matrix-feature { min-height: 205px; }
      .matrix-grid { grid-template-columns: repeat(3, 1fr); }
      .poster-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px 12px; }
      .feature-strip { grid-template-columns: 1fr; }
      .feature-main { min-height: 300px; }
      .feature-side { grid-template-columns: 1fr 1fr; }
      .feature-mini { grid-template-columns: 76px 1fr; }
      .feature-mini img { width: 76px; }
      .channel-layout { grid-template-columns: 1fr; gap: 18px; }
      .channel-aside p { max-width: 620px; }
      .rank-layout { gap: 25px; }
      .compare-grid { grid-template-columns: 1fr; }
      .timeline { grid-template-columns: repeat(2, 1fr); row-gap: 22px; }
      .news-layout { grid-template-columns: 1fr; gap: 24px; }
      .news-list { display: grid; grid-template-columns: 1fr 1fr; gap: 0 15px; }
      .quick-grid { grid-template-columns: 1fr; }
      .quick-item { min-height: auto; border-right: 0; border-bottom: 1px solid var(--line); }
      .quick-item:last-child { border-bottom: 0; }
      .topic-grid { grid-template-columns: 1fr 1fr; }
      .topic-card:first-child { grid-column: 1 / -1; }
      .faq-grid { grid-template-columns: 1fr; gap: 18px; }
      .contact-layout { grid-template-columns: 1fr; gap: 25px; }
      .footer-main { grid-template-columns: 1fr 1fr; gap: 26px; }
    }
    @media (max-width: 520px) {
      .container { width: min(calc(100% - 28px), var(--content)); }
      .brand-name { font-size: 13px; }
      .brand-sub { font-size: 9px; }
      .brand-mark { width: 36px; height: 36px; }
      .hero { min-height: 0; }
      .hero-inner { padding-top: 34px; padding-bottom: 30px; }
      .hero h1 { font-size: 35px; }
      .hero-subtitle { font-size: 16px; }
      .hero-copy { font-size: 12px; line-height: 1.8; }
      .hero-actions { align-items: stretch; flex-direction: column; max-width: 230px; }
      .button { min-height: 44px; }
      .hero-foot { gap: 8px 13px; font-size: 10px; }
      .section { padding: 43px 0; }
      .section-tight { padding: 31px 0; }
      .section-title { font-size: 23px; }
      .metric-grid { grid-template-columns: 1fr 1fr; }
      .metric { min-height: 88px; padding: 16px; border-bottom: 1px solid var(--line); }
      .metric:nth-child(2) { border-right: 0; }
      .metric:nth-child(3), .metric:nth-child(4) { border-bottom: 0; }
      .metric-number { font-size: 23px; }
      .matrix-grid { grid-template-columns: 1fr 1fr; }
      .matrix-item { min-height: 111px; padding: 13px; }
      .poster-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 19px 12px; }
      .poster-title { font-size: 12px; }
      .feature-main, .feature-main img { min-height: 255px; }
      .feature-copy { inset: auto 16px 16px; }
      .feature-copy h3 { font-size: 19px; }
      .feature-side { grid-template-columns: 1fr; }
      .feature-mini { min-height: 120px; grid-template-columns: 91px 1fr; }
      .feature-mini img { width: 91px; min-height: 100px; }
      .channel-row { grid-template-columns: 26px 102px 1fr 14px; gap: 8px; min-height: 76px; }
      .channel-name { font-size: 13px; }
      .channel-desc { font-size: 10px; }
      .rank-layout { grid-template-columns: 1fr; gap: 0; }
      .rank-item { grid-template-columns: 28px minmax(0,1fr) auto; gap: 8px; }
      .rank-data { gap: 7px; font-size: 9px; }
      .compare-panel { padding: 17px 15px; }
      .compare-row { grid-template-columns: 77px 1fr auto; gap: 8px; }
      .timeline { grid-template-columns: 1fr 1fr; }
      .timeline-item { padding-right: 11px; }
      .timeline-item p { font-size: 9px; }
      .news-lead { grid-template-columns: 1fr; gap: 12px; }
      .news-lead img { aspect-ratio: 1.7; }
      .news-list { grid-template-columns: 1fr; }
      .assurance-grid { grid-template-columns: 1fr 1fr; }
      .assurance-intro, .assurance-item { padding: 16px 12px; }
      .assurance-intro h3 { font-size: 15px; }
      .assurance-item { border-left: 1px solid var(--line); }
      .assurance-item:nth-child(2) { border-bottom: 1px solid var(--line); }
      .assurance-item:nth-child(3) { border-left: 0; }
      .guide-steps { grid-template-columns: 1fr; }
      .guide-step, .guide-step + .guide-step { padding: 16px 0; border-left: 0; border-bottom: 1px solid var(--line); }
      .guide-step:last-child { border-bottom: 0; }
      .topic-grid { grid-template-columns: 1fr; }
      .topic-card:first-child { grid-column: auto; }
      .topic-card { min-height: 150px; }
      .update-list { grid-template-columns: 1fr; }
      .update-item { grid-template-columns: 70px 1fr auto; gap: 8px; }
      .contact-section { padding: 42px 0; }
      .contact-copy h2 { font-size: 25px; }
      .contact-form { grid-template-columns: 1fr; }
      .field-wide, .form-submit, .form-note, .form-status { grid-column: 1; }
      .form-submit { width: 100%; }
      .footer-main { grid-template-columns: 1fr 1fr; gap: 24px 18px; padding-top: 35px; }
      .footer-brand { grid-column: 1 / -1; }
      .footer-bottom { flex-direction: column; gap: 5px; }
    }
    @media (prefers-reduced-motion: reduce) {
      *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; }
    }