/* roulang page: index */
:root {
      --ink: #16263d;
      --muted: #6e7b8d;
      --blue: #2764c5;
      --blue-dark: #19458e;
      --cyan: #1ca6b7;
      --soft: #eef5fc;
      --line: #dce6f1;
      --white: #ffffff;
      --shadow: 0 16px 42px rgba(25, 61, 103, .10);
      --shadow-sm: 0 8px 22px rgba(25, 61, 103, .08);
      --radius: 18px;
      --radius-sm: 12px;
    }
    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      color: var(--ink);
      background: #f8fbff;
      font-family: "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
      line-height: 1.75;
      font-size: 15px;
    }
    a { color: inherit; text-decoration: none; transition: .25s ease; }
    a:hover { color: var(--blue); }
    img { max-width: 100%; display: block; }
    button, input { font: inherit; }
    .container { max-width: 1180px; }
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255,255,255,.94);
      border-bottom: 1px solid rgba(220,230,241,.9);
      backdrop-filter: blur(16px);
    }
    .navbar { min-height: 76px; }
    .brand {
      display: inline-flex;
      align-items: center;
      gap: 11px;
      color: var(--ink);
      font-size: 17px;
      font-weight: 800;
      letter-spacing: 0;
    }
    .brand-mark {
      width: 38px;
      height: 38px;
      border-radius: 11px;
      display: grid;
      place-items: center;
      color: #fff;
      background: var(--blue);
      box-shadow: 0 8px 18px rgba(39,100,197,.25);
    }
    .brand-mark svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 2; }
    .navbar-nav { gap: 8px; }
    .nav-link {
      padding: 9px 14px !important;
      color: #53647a !important;
      border-radius: 10px;
      font-weight: 600;
    }
    .nav-link:hover, .nav-link.active {
      color: var(--blue) !important;
      background: #edf4ff;
    }
    .nav-action {
      padding: 10px 18px;
      border: 1px solid #cfe0f4;
      border-radius: 10px;
      color: var(--blue);
      font-weight: 700;
      background: #fff;
    }
    .nav-action:hover { background: var(--blue); color: #fff; border-color: var(--blue); }
    .hero {
      padding: 66px 0 58px;
      background: linear-gradient(180deg, #f4f9ff 0%, #fff 100%);
      border-bottom: 1px solid var(--line);
    }
    .hero-copy { padding: 22px 0; }
    .eyebrow, .section-kicker {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--blue);
      font-size: 12px;
      font-weight: 800;
      letter-spacing: .12em;
      text-transform: uppercase;
    }
    .eyebrow::before, .section-kicker::before {
      content: "";
      width: 22px;
      height: 2px;
      background: var(--cyan);
    }
    h1, h2, h3, p { margin-top: 0; }
    h1 {
      max-width: 730px;
      margin: 18px 0 20px;
      font-size: clamp(34px, 5vw, 60px);
      line-height: 1.18;
      letter-spacing: 0;
      font-weight: 850;
    }
    .hero-copy p {
      max-width: 690px;
      margin-bottom: 28px;
      color: var(--muted);
      font-size: 17px;
    }
    .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
    .btn-main, .btn-outline {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      min-height: 48px;
      padding: 0 20px;
      border-radius: 11px;
      font-weight: 750;
      transition: .25s ease;
    }
    .btn-main { color: #fff; background: var(--blue); border: 1px solid var(--blue); }
    .btn-main:hover { color: #fff; background: var(--blue-dark); transform: translateY(-2px); box-shadow: 0 10px 22px rgba(39,100,197,.22); }
    .btn-outline { color: var(--blue); background: #fff; border: 1px solid #c8dbee; }
    .btn-outline:hover { color: var(--blue-dark); border-color: var(--blue); background: #f2f7ff; }
    .btn-main:focus-visible, .btn-outline:focus-visible, .nav-link:focus-visible, input:focus-visible { outline: 3px solid rgba(28,166,183,.28); outline-offset: 3px; }
    .hero-feature {
      position: relative;
      min-height: 390px;
      overflow: hidden;
      border-radius: 22px;
      box-shadow: var(--shadow);
      background: #183452;
    }
    .hero-feature img { width: 100%; height: 390px; object-fit: cover; opacity: .78; }
    .hero-feature::after {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, rgba(19,43,70,.08), rgba(19,43,70,.88));
    }
    .feature-content { position: absolute; z-index: 1; left: 28px; right: 28px; bottom: 25px; color: #fff; }
    .feature-content h2 { max-width: 390px; margin: 10px 0 8px; font-size: 27px; line-height: 1.3; }
    .feature-content p { margin: 0; color: rgba(255,255,255,.78); }
    .feature-meta { display: flex; gap: 8px; flex-wrap: wrap; }
    .badge-soft, .badge-dark {
      display: inline-flex;
      align-items: center;
      min-height: 27px;
      padding: 3px 10px;
      border-radius: 999px;
      font-size: 12px;
      font-weight: 750;
    }
    .badge-soft { color: var(--blue); background: #e8f2ff; }
    .badge-dark { color: #fff; background: rgba(255,255,255,.16); border: 1px solid rgba(255,255,255,.24); }
    section { padding: 74px 0; }
    .section-head { max-width: 720px; margin-bottom: 30px; }
    .section-head h2 { margin: 10px 0 10px; font-size: 32px; line-height: 1.3; }
    .section-head p { color: var(--muted); margin-bottom: 0; }
    .section-alt { background: #eef5fc; border-top: 1px solid #e2edf8; border-bottom: 1px solid #e2edf8; }
    .promo-strip {
      padding: 22px 26px;
      border: 1px solid #cfe1f4;
      border-radius: var(--radius);
      background: #fff;
      box-shadow: var(--shadow-sm);
    }
    .promo-strip strong { display: block; color: var(--blue); font-size: 18px; }
    .promo-strip span { color: var(--muted); }
    .grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
    .grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
    .content-card, .quote-card, .package-card, .news-item, .metric-card {
      background: #fff;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      box-shadow: var(--shadow-sm);
    }
    .content-card { overflow: hidden; height: 100%; }
    .content-card img { width: 100%; height: 178px; object-fit: cover; }
    .card-body { padding: 21px; }
    .card-body h3 { margin: 12px 0 8px; font-size: 20px; line-height: 1.4; }
    .card-body p { color: var(--muted); margin-bottom: 14px; }
    .card-link { color: var(--blue); font-weight: 750; }
    .package-card { padding: 25px; height: 100%; }
    .package-card.featured { border-color: #8bb4ed; box-shadow: 0 16px 38px rgba(39,100,197,.14); }
    .package-card h3 { margin: 12px 0 8px; font-size: 22px; }
    .package-card p { color: var(--muted); min-height: 58px; }
    .package-list { padding: 0; margin: 18px 0 22px; list-style: none; }
    .package-list li { padding: 8px 0; border-top: 1px solid #edf2f7; color: #53647a; }
    .package-list li::before { content: "✓"; color: var(--cyan); font-weight: 800; margin-right: 9px; }
    .entry-panel {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
      padding: 30px;
      color: #fff;
      border-radius: var(--radius);
      background: var(--blue-dark);
      box-shadow: var(--shadow);
    }
    .entry-panel h2 { margin: 0 0 8px; font-size: 28px; }
    .entry-panel p { margin: 0; color: rgba(255,255,255,.78); }
    .entry-panel .btn-main { color: var(--blue-dark); background: #fff; border-color: #fff; }
    .entry-panel .btn-main:hover { background: #e9f4ff; }
    .rank-list { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm); }
    .rank-row { display: grid; grid-template-columns: 46px 1fr auto; gap: 14px; align-items: center; padding: 17px 21px; border-bottom: 1px solid #edf2f7; }
    .rank-row:last-child { border-bottom: 0; }
    .rank-number { width: 30px; height: 30px; display: grid; place-items: center; border-radius: 8px; color: var(--blue); background: #eaf3ff; font-weight: 800; }
    .rank-row strong { display: block; font-size: 15px; }
    .rank-row small { color: var(--muted); }
    .trend { color: var(--cyan); font-size: 13px; font-weight: 700; }
    .quote-card { padding: 24px; height: 100%; }
    .stars { color: #e49a30; letter-spacing: 2px; margin-bottom: 12px; }
    .quote-card p { color: #506176; margin-bottom: 18px; }
    .quote-author { display: flex; align-items: center; gap: 11px; font-weight: 750; }
    .avatar { width: 36px; height: 36px; display: grid; place-items: center; border-radius: 50%; color: #fff; background: var(--cyan); font-size: 13px; }
    .assurance { text-align: center; padding: 22px 16px; border: 1px solid var(--line); border-radius: var(--radius-sm); background: #fff; }
    .assurance-icon { width: 42px; height: 42px; margin: 0 auto 12px; display: grid; place-items: center; border-radius: 12px; color: var(--blue); background: #eaf3ff; }
    .assurance strong { display: block; margin-bottom: 4px; }
    .assurance span { color: var(--muted); font-size: 13px; }
    .news-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
    .news-item { padding: 22px; }
    .news-item time { color: var(--cyan); font-size: 12px; font-weight: 800; }
    .news-item h3 { margin: 10px 0 8px; font-size: 18px; line-height: 1.45; }
    .news-item p { color: var(--muted); margin: 0; }
    .metric-card { padding: 23px; }
    .metric-card strong { display: block; color: var(--blue); font-size: 30px; line-height: 1.2; }
    .metric-card span { color: var(--muted); }
    .site-footer { padding: 46px 0 25px; color: #a9bbd0; background: #12263e; }
    .site-footer .brand { color: #fff; margin-bottom: 14px; }
    .footer-copy { max-width: 370px; color: #91a7c0; }
    .footer-title { margin-bottom: 14px; color: #fff; font-size: 14px; font-weight: 800; }
    .footer-links { padding: 0; margin: 0; list-style: none; }
    .footer-links li { margin-bottom: 8px; }
    .footer-links a { color: #a9bbd0; }
    .footer-links a:hover { color: #fff; }
    .footer-bottom { display: flex; justify-content: space-between; gap: 18px; padding-top: 25px; margin-top: 28px; border-top: 1px solid rgba(255,255,255,.12); font-size: 13px; }
    @media (max-width: 991.98px) {
      .grid-4 { grid-template-columns: repeat(2, 1fr); }
      .hero { padding-top: 42px; }
      .hero-feature { margin-top: 22px; }
    }
    @media (max-width: 767.98px) {
      .navbar { min-height: 68px; }
      .navbar-collapse { padding: 14px 0 8px; }
      .nav-action { display: inline-block; margin-top: 8px; }
      section { padding: 54px 0; }
      h1 { font-size: 36px; }
      .hero-copy p { font-size: 15px; }
      .grid-3, .news-list { grid-template-columns: 1fr; }
      .grid-4 { grid-template-columns: repeat(2, 1fr); gap: 12px; }
      .entry-panel { align-items: flex-start; flex-direction: column; padding: 24px; }
      .footer-bottom { flex-direction: column; }
    }
    @media (max-width: 519.98px) {
      .grid-4 { grid-template-columns: 1fr; }
      .hero-feature, .hero-feature img { min-height: 330px; height: 330px; }
      .feature-content { left: 20px; right: 20px; bottom: 20px; }
      .feature-content h2 { font-size: 23px; }
      .hero-actions .btn-main, .hero-actions .btn-outline { width: 100%; }
      .rank-row { grid-template-columns: 34px 1fr; }
      .rank-row .trend { grid-column: 2; }
    }

/* roulang page: category1 */
:root {
      --ink: #16263d;
      --muted: #6e7b8d;
      --blue: #2764c5;
      --blue-dark: #19458e;
      --cyan: #1ca6b7;
      --soft: #eef5fc;
      --line: #dce6f1;
      --white: #ffffff;
      --shadow: 0 16px 42px rgba(25, 61, 103, .10);
      --shadow-sm: 0 8px 22px rgba(25, 61, 103, .08);
      --radius: 18px;
      --radius-sm: 12px;
    }
    *, *::before, *::after { box-sizing: border-box; }
    html { scroll-behavior: smooth; scroll-padding-top: 92px; }
    body {
      margin: 0;
      color: var(--ink);
      background: #f8fbff;
      font-family: "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
      line-height: 1.75;
      font-size: 15px;
    }
    a { color: inherit; text-decoration: none; transition: color .22s ease, background .22s ease, border-color .22s ease, transform .22s ease, box-shadow .22s ease; }
    a:hover { color: var(--blue); }
    img { display: block; max-width: 100%; }
    button, input { font: inherit; }
    button:focus-visible, a:focus-visible { outline: 3px solid rgba(28,166,183,.34); outline-offset: 3px; }
    .container { max-width: 1180px; }
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255,255,255,.95);
      border-bottom: 1px solid rgba(220,230,241,.9);
      backdrop-filter: blur(16px);
    }
    .navbar { min-height: 76px; }
    .brand {
      display: inline-flex;
      align-items: center;
      gap: 11px;
      color: var(--ink);
      font-size: 17px;
      font-weight: 800;
      letter-spacing: 0;
      white-space: nowrap;
    }
    .brand:hover { color: var(--blue-dark); }
    .brand-mark {
      width: 38px;
      height: 38px;
      flex: 0 0 38px;
      border-radius: 11px;
      display: grid;
      place-items: center;
      color: #fff;
      background: var(--blue);
      box-shadow: 0 8px 18px rgba(39,100,197,.25);
    }
    .brand-mark svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 2; }
    .navbar-nav { gap: 8px; }
    .nav-link {
      padding: 9px 14px !important;
      color: #53647a !important;
      border-radius: 10px;
      font-weight: 600;
    }
    .nav-link:hover, .nav-link.active { color: var(--blue) !important; background: #edf4ff; }
    .nav-action {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 42px;
      padding: 9px 18px;
      border: 1px solid #cfe0f4;
      border-radius: 10px;
      color: var(--blue);
      font-weight: 700;
      background: #fff;
    }
    .nav-action:hover { background: var(--blue); color: #fff; border-color: var(--blue); }
    .navbar-toggler { padding: 8px; border-radius: 9px; }
    .navbar-toggler:focus { box-shadow: 0 0 0 3px rgba(39,100,197,.15); }
    .hero {
      padding: 54px 0 48px;
      background: linear-gradient(180deg, #f1f7ff 0%, #fff 100%);
      border-bottom: 1px solid var(--line);
    }
    .hero-copy { padding: 14px 0; }
    .eyebrow, .section-kicker {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--blue);
      font-size: 12px;
      font-weight: 800;
      letter-spacing: 0;
    }
    .eyebrow::before, .section-kicker::before {
      content: "";
      width: 22px;
      height: 2px;
      background: var(--cyan);
    }
    h1 {
      max-width: 720px;
      margin: 15px 0 17px;
      color: var(--ink);
      font-size: clamp(34px, 4vw, 48px);
      font-weight: 850;
      line-height: 1.2;
      letter-spacing: 0;
    }
    .hero-copy p { max-width: 650px; margin: 0 0 24px; color: var(--muted); font-size: 17px; }
    .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
    .btn-main, .btn-outline {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      min-height: 48px;
      padding: 0 20px;
      border-radius: 11px;
      font-weight: 750;
      transition: .22s ease;
    }
    .btn-main { color: #fff; background: var(--blue); border: 1px solid var(--blue); }
    .btn-main:hover { color: #fff; background: var(--blue-dark); transform: translateY(-2px); box-shadow: 0 10px 22px rgba(39,100,197,.22); }
    .btn-outline { color: var(--blue); background: #fff; border: 1px solid #c8dbee; }
    .btn-outline:hover { color: var(--blue-dark); border-color: var(--blue); background: #f2f7ff; }
    .comparison {
      padding: 20px;
      background: #fff;
      border: 1px solid var(--line);
      border-radius: 20px;
      box-shadow: var(--shadow);
    }
    .comparison-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 14px; }
    .comparison-head strong { font-size: 14px; }
    .comparison-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
    .compare-tile {
      min-height: 188px;
      padding: 17px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      overflow: hidden;
      border-radius: 14px;
      background: #f3f6fa;
      border: 1px solid #e8edf3;
    }
    .compare-tile.after { color: #fff; background: #19458e; border-color: #19458e; }
    .compare-label {
      align-self: flex-start;
      padding: 4px 9px;
      border-radius: 7px;
      color: #627084;
      background: #fff;
      font-size: 11px;
      font-weight: 800;
    }
    .after .compare-label { color: #fff; background: rgba(255,255,255,.16); }
    .compare-tile h2 { margin: 17px 0 5px; font-size: 19px; font-weight: 800; }
    .compare-tile p { margin: 0; color: #748196; font-size: 13px; line-height: 1.6; }
    .compare-tile.after p { color: rgba(255,255,255,.77); }
    .compare-meter { height: 5px; margin-top: 18px; overflow: hidden; border-radius: 9px; background: rgba(39,100,197,.12); }
    .compare-meter span { display: block; height: 100%; width: 42%; border-radius: inherit; background: var(--cyan); }
    .after .compare-meter { background: rgba(255,255,255,.18); }
    .after .compare-meter span { width: 88%; background: #6de0d4; }
    main section { padding: 66px 0; }
    .section-alt { background: #eef5fc; border-top: 1px solid #e2edf8; border-bottom: 1px solid #e2edf8; }
    .section-white { background: #fff; }
    .section-head { max-width: 760px; margin-bottom: 29px; }
    .section-head h2 { margin: 10px 0; font-size: 31px; font-weight: 820; line-height: 1.3; letter-spacing: 0; }
    .section-head p { margin: 0; color: var(--muted); }
    .category-layout { display: grid; grid-template-columns: 1.1fr .9fr; gap: 28px; align-items: stretch; }
    .category-feature {
      min-height: 310px;
      padding: 32px;
      display: flex;
      flex-direction: column;
      justify-content: flex-end;
      color: #fff;
      border-radius: var(--radius);
      overflow: hidden;
      background:
        linear-gradient(100deg, rgba(16,43,74,.91), rgba(25,69,142,.70)),
        url("https://images.unsplash.com/photo-1519608487953-e999c86e7455?auto=format&fit=crop&w=1200&q=85") center/cover;
      box-shadow: var(--shadow);
    }
    .category-feature h3 { max-width: 520px; margin: 15px 0 9px; font-size: 29px; line-height: 1.3; }
    .category-feature p { max-width: 540px; margin: 0; color: rgba(255,255,255,.82); }
    .badge-soft, .badge-dark {
      display: inline-flex;
      align-items: center;
      min-height: 27px;
      padding: 3px 10px;
      border-radius: 999px;
      font-size: 12px;
      font-weight: 750;
    }
    .badge-soft { color: var(--blue); background: #e8f2ff; }
    .badge-dark { width: fit-content; color: #fff; background: rgba(255,255,255,.16); border: 1px solid rgba(255,255,255,.24); }
    .region-stack { display: grid; gap: 13px; }
    .region-row {
      padding: 19px 21px;
      display: grid;
      grid-template-columns: 48px 1fr auto;
      gap: 15px;
      align-items: center;
      background: #fff;
      border: 1px solid var(--line);
      border-radius: 14px;
      box-shadow: var(--shadow-sm);
    }
    .region-icon {
      width: 46px;
      height: 46px;
      display: grid;
      place-items: center;
      border-radius: 12px;
      color: var(--blue);
      background: #edf4ff;
      font-size: 15px;
      font-weight: 850;
    }
    .region-row h3 { margin: 0 0 3px; font-size: 17px; font-weight: 800; }
    .region-row p { margin: 0; color: var(--muted); font-size: 13px; }
    .region-count { color: var(--cyan); font-size: 12px; font-weight: 800; white-space: nowrap; }
    .feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 17px; }
    .feature-card {
      min-height: 185px;
      padding: 23px;
      background: #fff;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      box-shadow: var(--shadow-sm);
      transition: transform .22s ease, box-shadow .22s ease;
    }
    .feature-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
    .feature-number { color: var(--cyan); font-size: 13px; font-weight: 850; }
    .feature-card h3 { margin: 13px 0 8px; font-size: 19px; font-weight: 800; }
    .feature-card p { margin: 0; color: var(--muted); }
    .editorial {
      display: grid;
      grid-template-columns: .82fr 1.18fr;
      gap: 34px;
      align-items: center;
    }
    .editorial-aside { padding: 26px; background: #e9f2fc; border-radius: 16px; border-left: 4px solid var(--cyan); }
    .editorial-aside strong { display: block; margin-bottom: 9px; color: var(--blue-dark); font-size: 18px; }
    .editorial-aside p { margin: 0; color: #596a7d; }
    .editorial-list { margin: 0; padding: 0; list-style: none; }
    .editorial-list li { padding: 15px 0; border-bottom: 1px solid var(--line); }
    .editorial-list li:last-child { border-bottom: 0; }
    .editorial-list strong { display: block; margin-bottom: 4px; font-size: 17px; }
    .editorial-list span { color: var(--muted); }
    .quality-band {
      padding: 27px 30px;
      display: grid;
      grid-template-columns: 1.2fr repeat(3, .7fr);
      align-items: center;
      gap: 20px;
      background: #fff;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      box-shadow: var(--shadow-sm);
    }
    .quality-intro h2 { margin: 0 0 5px; font-size: 22px; font-weight: 800; }
    .quality-intro p { margin: 0; color: var(--muted); }
    .quality-stat { padding-left: 18px; border-left: 1px solid var(--line); }
    .quality-stat strong { display: block; color: var(--blue); font-size: 24px; line-height: 1.2; }
    .quality-stat span { color: var(--muted); font-size: 13px; }
    .topic-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
    .topic-row {
      padding: 20px 22px;
      display: flex;
      justify-content: space-between;
      gap: 16px;
      align-items: center;
      border-bottom: 1px solid var(--line);
      background: rgba(255,255,255,.7);
    }
    .topic-row:first-child, .topic-row:nth-child(2) { border-top: 1px solid var(--line); }
    .topic-row h3 { margin: 0 0 4px; font-size: 17px; font-weight: 800; }
    .topic-row p { margin: 0; color: var(--muted); font-size: 14px; }
    .topic-mark { color: var(--blue); font-size: 21px; font-weight: 700; }
    .latest-layout { display: grid; grid-template-columns: .85fr 1.15fr; gap: 34px; }
    .latest-lead { padding: 27px; color: #fff; background: #19458e; border-radius: var(--radius); }
    .latest-lead h2 { margin: 14px 0 10px; font-size: 27px; font-weight: 800; line-height: 1.3; }
    .latest-lead p { color: rgba(255,255,255,.8); }
    .latest-list { margin: 0; padding: 0; list-style: none; }
    .latest-list li { padding: 15px 0; display: grid; grid-template-columns: 100px 1fr; gap: 15px; border-bottom: 1px solid var(--line); }
    .latest-list time { color: var(--cyan); font-weight: 800; font-size: 13px; }
    .latest-list strong { display: block; margin-bottom: 3px; font-size: 16px; }
    .latest-list span { color: var(--muted); font-size: 14px; }
    .assurance-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; align-items: center; }
    .assurance-copy h2 { margin: 10px 0; font-size: 30px; font-weight: 820; line-height: 1.3; }
    .assurance-copy p { margin: 0; color: var(--muted); }
    .assurance-points { display: grid; grid-template-columns: 1fr 1fr; gap: 11px; }
    .assurance-point { padding: 16px; background: #fff; border: 1px solid var(--line); border-radius: 12px; }
    .assurance-point strong { display: block; margin-bottom: 3px; color: var(--blue-dark); }
    .assurance-point span { color: var(--muted); font-size: 13px; }
    .closing {
      padding: 34px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 24px;
      color: #fff;
      background: #19458e;
      border-radius: 20px;
      box-shadow: var(--shadow);
    }
    .closing h2 { margin: 0 0 6px; font-size: 25px; font-weight: 820; }
    .closing p { margin: 0; color: rgba(255,255,255,.8); }
    .closing .btn-main { flex: 0 0 auto; color: var(--blue-dark); background: #fff; border-color: #fff; }
    .closing .btn-main:hover { background: #e9f4ff; }
    .site-footer { padding: 52px 0 20px; background: #fff; border-top: 1px solid var(--line); }
    .footer-copy { max-width: 470px; margin: 17px 0 0; color: var(--muted); }
    .footer-title { margin: 5px 0 13px; font-weight: 800; }
    .footer-links { margin: 0; padding: 0; list-style: none; }
    .footer-links li { margin: 8px 0; color: #596a7d; }
    .footer-links a:hover { color: var(--blue); }
    .footer-bottom {
      margin-top: 34px;
      padding-top: 17px;
      display: flex;
      justify-content: space-between;
      gap: 14px;
      color: #8290a2;
      border-top: 1px solid #e8eef5;
      font-size: 13px;
    }
    @media (max-width: 991.98px) {
      .navbar-collapse { padding: 10px 0 16px; }
      .navbar-nav { align-items: stretch !important; gap: 4px; }
      .nav-action { justify-content: center; margin-top: 7px; }
      .category-layout, .editorial, .latest-layout { grid-template-columns: 1fr; }
      .quality-band { grid-template-columns: 1.2fr 1fr 1fr; }
      .quality-stat:last-child { grid-column: 2 / 4; }
      .hero { padding-top: 40px; }
    }
    @media (max-width: 767.98px) {
      main section { padding: 52px 0; }
      .hero { padding: 35px 0 38px; }
      .hero-copy p { font-size: 16px; }
      h1 { font-size: 36px; }
      .feature-grid { grid-template-columns: 1fr 1fr; }
      .quality-band { grid-template-columns: 1fr 1fr; }
      .quality-intro { grid-column: 1 / -1; }
      .quality-stat:last-child { grid-column: auto; }
      .assurance-grid { grid-template-columns: 1fr; }
      .closing { align-items: flex-start; flex-direction: column; }
      .closing .btn-main { width: 100%; }
    }
    @media (max-width: 575.98px) {
      .container { padding-left: 20px; padding-right: 20px; }
      .brand { gap: 8px; font-size: 14px; }
      .brand-mark { width: 34px; height: 34px; flex-basis: 34px; }
      .navbar { min-height: 66px; }
      h1 { font-size: 32px; }
      .hero-actions > a { width: 100%; }
      .comparison { padding: 14px; }
      .comparison-grid { gap: 8px; }
      .compare-tile { min-height: 174px; padding: 13px; }
      .compare-tile h2 { font-size: 16px; }
      .feature-grid, .topic-grid, .assurance-points { grid-template-columns: 1fr; }
      .feature-card { min-height: unset; }
      .category-feature { min-height: 275px; padding: 23px; }
      .category-feature h3 { font-size: 24px; }
      .region-row { grid-template-columns: 42px 1fr; padding: 15px; gap: 12px; }
      .region-icon { width: 42px; height: 42px; }
      .region-count { grid-column: 2; }
      .quality-band { grid-template-columns: 1fr 1fr; padding: 21px; }
      .quality-stat { padding-left: 12px; }
      .topic-row { padding: 16px 12px; }
      .latest-list li { grid-template-columns: 78px 1fr; gap: 10px; }
      .closing { padding: 25px; }
      .closing h2 { font-size: 22px; }
      .footer-bottom { flex-direction: column; }
    }