/* roulang page: index */
:root {
      --ink: #1d2939;
      --muted: #657386;
      --blue: #2866c5;
      --blue-deep: #174b97;
      --teal: #188b83;
      --rose: #b74f61;
      --paper: #ffffff;
      --surface: #f3f7fc;
      --line: #dce5ef;
      --radius: 16px;
      --shadow: 0 14px 38px rgba(28, 56, 92, .09);
      --shadow-soft: 0 6px 20px rgba(28, 56, 92, .07);
    }
    *, *::before, *::after { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      color: var(--ink);
      background: var(--surface);
      font-family: "Noto Sans SC", "Microsoft YaHei", system-ui, sans-serif;
      font-size: 16px;
      line-height: 1.75;
    }
    a { color: inherit; text-decoration: none; }
    a:hover { color: var(--blue-deep); }
    button, input { font: inherit; }
    img { max-width: 100%; display: block; }
    :focus-visible { outline: 3px solid rgba(40, 102, 197, .45); outline-offset: 3px; }
    .container-wide { width: min(1160px, calc(100% - 40px)); margin-inline: auto; }
    .site-header { position: sticky; top: 12px; z-index: 20; padding-top: 12px; }
    .dock {
      min-height: 68px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
      padding: 10px 18px;
      background: rgba(255,255,255,.94);
      border: 1px solid rgba(220,229,239,.9);
      border-radius: 18px;
      box-shadow: var(--shadow-soft);
      backdrop-filter: blur(14px);
    }
    .brand { display: inline-flex; align-items: center; gap: 11px; min-width: 0; font-weight: 800; }
    .brand-mark {
      width: 38px; height: 38px; flex: 0 0 auto; display: grid; place-items: center;
      color: #fff; background: var(--blue); border-radius: 12px; font-size: 17px;
    }
    .brand-name { line-height: 1.25; font-size: 15px; }
    .nav-links { display: flex; align-items: center; gap: 6px; margin: 0; padding: 0; list-style: none; }
    .nav-link-custom {
      display: inline-flex; align-items: center; min-height: 42px; padding: 0 14px;
      color: #536277; border-radius: 11px; font-size: 14px; font-weight: 650;
      transition: color .2s ease, background .2s ease;
    }
    .nav-link-custom:hover, .nav-link-custom.active { color: var(--blue-deep); background: #edf4ff; }
    .nav-search {
      display: flex; align-items: center; gap: 8px; width: 205px; height: 42px; padding: 0 12px;
      background: #f5f8fc; border: 1px solid var(--line); border-radius: 11px;
    }
    .nav-search input { width: 100%; min-width: 0; border: 0; outline: 0; background: transparent; color: var(--ink); font-size: 13px; }
    .nav-search input::placeholder { color: #8491a2; }
    .nav-search button { padding: 0; border: 0; color: var(--blue); background: transparent; cursor: pointer; }
    .menu-toggle { display: none; border: 1px solid var(--line); background: #fff; border-radius: 10px; padding: 8px 11px; color: var(--ink); }
    .hero {
      position: relative;
      overflow: hidden;
      margin-top: 20px;
      padding: 78px 0 66px;
      background:
        radial-gradient(ellipse at 14% 8%, rgba(73, 143, 228, .13), transparent 34%),
        radial-gradient(ellipse at 88% 82%, rgba(55, 165, 151, .12), transparent 30%),
        #fff;
      border: 1px solid var(--line);
      border-radius: 22px;
      box-shadow: var(--shadow);
    }
    .hero-inner { width: min(920px, calc(100% - 48px)); margin-inline: auto; text-align: center; }
    .eyebrow {
      display: inline-flex; align-items: center; gap: 8px; padding: 6px 11px;
      color: var(--blue-deep); background: #edf4ff; border: 1px solid #dbe9fb;
      border-radius: 999px; font-size: 12px; font-weight: 750;
    }
    .eyebrow-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--teal); }
    h1 { max-width: 850px; margin: 20px auto 16px; font-size: clamp(34px, 5vw, 56px); line-height: 1.2; font-weight: 850; }
    .hero-copy { max-width: 820px; margin: 0 auto; color: var(--muted); font-size: 17px; }
    .hero-actions { display: flex; justify-content: center; flex-wrap: wrap; gap: 12px; margin-top: 26px; }
    .btn-primary-custom, .btn-outline-custom {
      min-height: 48px; display: inline-flex; justify-content: center; align-items: center; gap: 9px;
      padding: 0 20px; border-radius: 11px; font-size: 14px; font-weight: 750;
      transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
    }
    .btn-primary-custom { color: #fff; background: var(--blue); border: 1px solid var(--blue); box-shadow: 0 7px 16px rgba(40,102,197,.2); }
    .btn-primary-custom:hover { color: #fff; background: var(--blue-deep); transform: translateY(-2px); box-shadow: 0 10px 22px rgba(40,102,197,.25); }
    .btn-outline-custom { color: var(--blue-deep); background: #fff; border: 1px solid #cbd9e9; }
    .btn-outline-custom:hover { background: #f0f6ff; transform: translateY(-2px); }
    .hero-meta { display: flex; justify-content: center; flex-wrap: wrap; gap: 10px 24px; margin-top: 25px; color: #758397; font-size: 13px; }
    .hero-meta span::before { content: "✓"; margin-right: 7px; color: var(--teal); font-weight: 800; }
    main { padding-bottom: 52px; }
    .section { padding: 62px 0; border-bottom: 1px solid var(--line); }
    .section-white { background: #fff; }
    .section-tint { background: #f3f7fc; }
    .section-dark { color: #fff; background: #1e3654; }
    .section-head { max-width: 740px; margin-bottom: 30px; }
    .section-kicker { margin-bottom: 8px; color: var(--blue); font-size: 12px; font-weight: 800; text-transform: uppercase; }
    .section-dark .section-kicker { color: #8ec5ff; }
    .section-title { margin: 0 0 10px; font-size: clamp(25px, 3vw, 35px); line-height: 1.3; font-weight: 800; }
    .section-desc { margin: 0; color: var(--muted); max-width: 720px; }
    .section-dark .section-desc { color: #d0dceb; }
    .content-card {
      height: 100%; padding: 23px; background: var(--paper); border: 1px solid var(--line);
      border-radius: var(--radius); box-shadow: var(--shadow-soft); transition: transform .22s ease, box-shadow .22s ease;
    }
    .content-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
    .card-icon {
      width: 42px; height: 42px; display: grid; place-items: center; margin-bottom: 16px;
      color: var(--blue-deep); background: #edf4ff; border-radius: 12px; font-weight: 850;
    }
    .content-card h3 { margin: 0 0 9px; font-size: 18px; font-weight: 800; }
    .content-card p { margin: 0; color: var(--muted); font-size: 14px; }
    .tag-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
    .tag { display: inline-flex; padding: 5px 10px; color: #52647a; background: #f0f4f8; border: 1px solid #e0e7ef; border-radius: 999px; font-size: 12px; font-weight: 650; }
    .split-panel { display: grid; grid-template-columns: 1fr 1fr; gap: 34px; align-items: center; }
    .editorial-visual {
      min-height: 320px; position: relative; overflow: hidden; padding: 30px;
      display: flex; flex-direction: column; justify-content: space-between;
      color: #fff; background: linear-gradient(135deg, #245da6, #318e9a);
      border-radius: 18px; box-shadow: var(--shadow);
    }
    .editorial-visual::before, .editorial-visual::after { content: ""; position: absolute; border: 1px solid rgba(255,255,255,.24); border-radius: 50%; }
    .editorial-visual::before { width: 260px; height: 260px; right: -45px; top: -85px; }
    .editorial-visual::after { width: 180px; height: 180px; right: 22px; top: -38px; }
    .visual-caption { position: relative; z-index: 1; max-width: 290px; font-size: 23px; font-weight: 800; line-height: 1.4; }
    .visual-number { position: relative; z-index: 1; font-size: 13px; color: rgba(255,255,255,.8); }
    .feature-list { display: grid; gap: 15px; margin: 22px 0 0; padding: 0; list-style: none; }
    .feature-list li { display: grid; grid-template-columns: 30px 1fr; gap: 12px; color: var(--muted); }
    .feature-num { width: 28px; height: 28px; display: grid; place-items: center; color: var(--blue-deep); background: #eaf2fd; border-radius: 9px; font-size: 12px; font-weight: 800; }
    .feature-list strong { display: block; color: var(--ink); margin-bottom: 2px; font-size: 15px; }
    .strip { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; overflow: hidden; background: rgba(255,255,255,.16); border: 1px solid rgba(255,255,255,.18); border-radius: 15px; }
    .strip-item { padding: 23px; background: rgba(255,255,255,.06); }
    .strip-item strong { display: block; margin-bottom: 4px; font-size: 17px; }
    .strip-item span { color: #d0dceb; font-size: 13px; }
    .topic-grid { display: grid; grid-template-columns: 1.2fr .8fr .8fr; gap: 16px; }
    .topic-feature {
      min-height: 250px; display: flex; flex-direction: column; justify-content: flex-end; padding: 25px;
      color: #fff; background: linear-gradient(150deg, #254f7e, #407d8b); border-radius: 16px;
      box-shadow: var(--shadow-soft);
    }
    .topic-feature:nth-child(2) { background: linear-gradient(150deg, #9d5360, #c17d73); }
    .topic-feature:nth-child(3) { background: linear-gradient(150deg, #287b75, #57a08e); }
    .topic-feature small { margin-bottom: 9px; color: rgba(255,255,255,.78); font-weight: 700; }
    .topic-feature h3 { margin: 0 0 8px; font-size: 21px; font-weight: 800; }
    .topic-feature p { margin: 0; color: rgba(255,255,255,.88); font-size: 14px; }
    .timeline { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; counter-reset: step; }
    .timeline-item { position: relative; padding: 20px 18px 18px; background: #fff; border: 1px solid var(--line); border-radius: 14px; }
    .timeline-item::before { counter-increment: step; content: "0" counter(step); display: block; margin-bottom: 12px; color: var(--blue); font-size: 13px; font-weight: 850; }
    .timeline-item h3 { margin: 0 0 6px; font-size: 16px; font-weight: 800; }
    .timeline-item p { margin: 0; color: var(--muted); font-size: 13px; }
    .quote-band { padding: 30px; background: #fff; border-left: 4px solid var(--teal); border-radius: 4px 14px 14px 4px; box-shadow: var(--shadow-soft); }
    .quote-band blockquote { margin: 0; color: #34455c; font-size: 19px; font-weight: 650; line-height: 1.65; }
    .quote-band cite { display: block; margin-top: 12px; color: var(--muted); font-size: 13px; font-style: normal; }
    .article-list { display: grid; grid-template-columns: 1fr 1fr; gap: 12px 24px; }
    .article-row { display: flex; align-items: flex-start; gap: 14px; padding: 16px 0; border-bottom: 1px solid var(--line); }
    .article-date { flex: 0 0 54px; color: var(--teal); font-size: 12px; font-weight: 800; }
    .article-row h3 { margin: 0 0 5px; font-size: 16px; font-weight: 750; }
    .article-row p { margin: 0; color: var(--muted); font-size: 13px; }
    .compare-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 14px; background: #fff; box-shadow: var(--shadow-soft); }
    .compare-table { width: 100%; min-width: 620px; border-collapse: collapse; }
    .compare-table th, .compare-table td { padding: 16px 18px; text-align: left; border-bottom: 1px solid var(--line); }
    .compare-table th { color: #43546a; background: #f3f7fc; font-size: 13px; }
    .compare-table td { color: var(--muted); font-size: 14px; }
    .compare-table tr:last-child td { border-bottom: 0; }
    .check { color: var(--teal); font-weight: 850; }
    .note-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
    .note-item { display: flex; gap: 14px; padding: 19px; background: #fff; border: 1px solid var(--line); border-radius: 13px; }
    .note-mark { width: 30px; height: 30px; flex: 0 0 auto; display: grid; place-items: center; color: #8a4c1c; background: #fff1de; border-radius: 9px; font-weight: 850; }
    .note-item h3 { margin: 0 0 5px; font-size: 15px; font-weight: 800; }
    .note-item p { margin: 0; color: var(--muted); font-size: 13px; }
    .assurance-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
    .assurance { padding: 18px; background: #fff; border: 1px solid var(--line); border-radius: 13px; }
    .assurance strong { display: block; margin-bottom: 5px; font-size: 14px; }
    .assurance span { color: var(--muted); font-size: 12px; }
    .closing-panel { padding: 38px; text-align: center; background: #eaf2fc; border: 1px solid #d7e5f6; border-radius: 18px; }
    .closing-panel h2 { margin: 0 0 10px; font-size: 27px; font-weight: 850; }
    .closing-panel p { max-width: 690px; margin: 0 auto 21px; color: var(--muted); }
    .site-footer { padding: 36px 0 26px; color: #d5dfeb; background: #172b43; }
    .footer-top { display: flex; justify-content: space-between; gap: 30px; padding-bottom: 25px; border-bottom: 1px solid rgba(255,255,255,.14); }
    .footer-brand { color: #fff; font-weight: 800; font-size: 17px; }
    .footer-copy { max-width: 530px; margin: 8px 0 0; color: #aebed0; font-size: 13px; }
    .footer-links { display: flex; flex-wrap: wrap; align-content: flex-start; gap: 10px 20px; }
    .footer-links a { color: #d5dfeb; font-size: 13px; }
    .footer-links a:hover { color: #fff; }
    .footer-bottom { display: flex; justify-content: space-between; gap: 18px; padding-top: 18px; color: #9aadc2; font-size: 12px; }
    .age-note { color: #e3c2c5; }
    @media (max-width: 1024px) {
      .container-wide { width: min(100% - 32px, 900px); }
      .nav-search { width: 170px; }
      .topic-grid { grid-template-columns: 1fr 1fr; }
      .topic-feature:first-child { grid-column: 1 / -1; min-height: 210px; }
      .timeline { grid-template-columns: repeat(2, 1fr); }
      .assurance-row { grid-template-columns: repeat(2, 1fr); }
    }
    @media (max-width: 768px) {
      .site-header { top: 8px; padding-top: 8px; }
      .dock { flex-wrap: wrap; gap: 8px; padding: 10px 12px; }
      .brand { flex: 1; }
      .menu-toggle { display: inline-flex; align-items: center; gap: 7px; }
      .nav-collapse { display: none; width: 100%; padding: 8px 2px 4px; }
      .nav-collapse.is-open { display: block; }
      .nav-links { flex-direction: column; align-items: stretch; gap: 2px; }
      .nav-link-custom { width: 100%; }
      .nav-search { width: 100%; margin-top: 7px; }
      .hero { padding: 58px 0 48px; border-radius: 18px; }
      .hero-copy { font-size: 15px; }
      .section { padding: 48px 0; }
      .split-panel { grid-template-columns: 1fr; gap: 24px; }
      .editorial-visual { min-height: 245px; }
      .article-list { grid-template-columns: 1fr; }
      .strip { grid-template-columns: 1fr; }
      .footer-top, .footer-bottom { flex-direction: column; }
    }
    @media (max-width: 520px) {
      .container-wide { width: calc(100% - 26px); }
      .brand-name { max-width: 215px; font-size: 13px; }
      .brand-mark { width: 34px; height: 34px; }
      .hero { margin-top: 13px; padding: 46px 0 40px; }
      .hero-inner { width: calc(100% - 30px); }
      h1 { font-size: 34px; }
      .hero-actions { flex-direction: column; }
      .hero-actions a { width: 100%; }
      .hero-meta { gap: 7px 13px; font-size: 12px; }
      .topic-grid, .timeline, .note-grid, .assurance-row { grid-template-columns: 1fr; }
      .topic-feature:first-child { grid-column: auto; }
      .topic-feature { min-height: 190px; }
      .section-title { font-size: 25px; }
      .closing-panel { padding: 27px 20px; }
      .closing-panel h2 { font-size: 23px; }
      .footer-links { gap: 10px 15px; }
    }

/* roulang page: category1 */
:root {
      --ink: #1d2939;
      --muted: #657386;
      --blue: #2866c5;
      --blue-deep: #174b97;
      --teal: #188b83;
      --rose: #b74f61;
      --paper: #ffffff;
      --surface: #f3f7fc;
      --line: #dce5ef;
      --radius: 16px;
      --shadow: 0 14px 38px rgba(28, 56, 92, .09);
      --shadow-soft: 0 6px 20px rgba(28, 56, 92, .07);
    }

    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; scroll-padding-top: 100px; }
    body {
      margin: 0;
      color: var(--ink);
      background: var(--surface);
      font-family: "Noto Sans SC", "Microsoft YaHei", system-ui, sans-serif;
      font-size: 16px;
      line-height: 1.75;
    }
    a { color: inherit; text-decoration: none; }
    a:hover { color: var(--blue-deep); }
    button, input { font: inherit; }
    img { max-width: 100%; display: block; }
    :focus-visible { outline: 3px solid rgba(40, 102, 197, .42); outline-offset: 3px; }
    .container-wide { width: min(1160px, calc(100% - 40px)); margin-inline: auto; }

    .site-header { position: sticky; top: 12px; z-index: 20; padding-top: 12px; }
    .nav-dock {
      width: min(1160px, calc(100% - 40px));
      min-height: 68px;
      margin-inline: auto;
      padding: 10px 14px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
      background: rgba(255,255,255,.94);
      border: 1px solid rgba(220,229,239,.95);
      border-radius: 18px;
      box-shadow: var(--shadow-soft);
      backdrop-filter: blur(14px);
    }
    .brand { display: inline-flex; align-items: center; gap: 11px; min-width: 0; font-weight: 800; }
    .brand-mark {
      width: 38px; height: 38px; flex: 0 0 auto; display: grid; place-items: center;
      color: #fff; background: var(--blue); border-radius: 12px; font-size: 17px;
    }
    .brand-name { line-height: 1.25; font-size: 15px; }
    .nav-links { display: flex; align-items: center; gap: 6px; margin: 0; padding: 0; list-style: none; }
    .nav-link-custom {
      display: inline-flex; align-items: center; min-height: 42px; padding: 0 14px;
      color: #536277; border-radius: 11px; font-size: 14px; font-weight: 650;
      transition: color .2s ease, background .2s ease;
    }
    .nav-link-custom:hover, .nav-link-custom.active { color: var(--blue-deep); background: #edf4ff; }
    .nav-search {
      display: flex; align-items: center; gap: 8px; width: 205px; height: 42px; padding: 0 12px;
      background: #f5f8fc; border: 1px solid var(--line); border-radius: 11px;
    }
    .nav-search input { width: 100%; min-width: 0; border: 0; outline: 0; background: transparent; color: var(--ink); font-size: 13px; }
    .nav-search input::placeholder { color: #8491a2; }
    .nav-search button { padding: 0; border: 0; color: var(--blue); background: transparent; cursor: pointer; }
    .menu-toggle {
      display: none; border: 1px solid var(--line); background: #fff;
      border-radius: 10px; padding: 8px 11px; color: var(--ink);
    }

    .hero {
      position: relative;
      overflow: hidden;
      margin-top: 20px;
      padding: 62px 0 58px;
      background:
        radial-gradient(ellipse at 14% 8%, rgba(73, 143, 228, .13), transparent 34%),
        radial-gradient(ellipse at 88% 82%, rgba(55, 165, 151, .12), transparent 30%),
        #fff;
      border: 1px solid var(--line);
      border-radius: 22px;
      box-shadow: var(--shadow);
    }
    .hero-inner { width: min(1060px, calc(100% - 48px)); margin-inline: auto; }
    .hero-grid { display: grid; grid-template-columns: 1.1fr .9fr; align-items: center; gap: 46px; }
    .eyebrow {
      display: inline-flex; align-items: center; gap: 8px; padding: 6px 11px;
      color: var(--blue-deep); background: #edf4ff; border: 1px solid #dbe9fb;
      border-radius: 999px; font-size: 12px; font-weight: 750;
    }
    .eyebrow-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--teal); }
    h1 { max-width: 680px; margin: 20px 0 14px; font-size: clamp(34px, 4.1vw, 54px); line-height: 1.2; font-weight: 850; }
    .hero-copy { max-width: 620px; margin: 0; color: var(--muted); font-size: 17px; }
    .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 25px; }
    .btn-primary-custom, .btn-outline-custom {
      min-height: 48px; display: inline-flex; justify-content: center; align-items: center; gap: 9px;
      padding: 0 20px; border-radius: 11px; font-size: 14px; font-weight: 750;
      transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
    }
    .btn-primary-custom { color: #fff; background: var(--blue); border: 1px solid var(--blue); box-shadow: 0 7px 16px rgba(40,102,197,.2); }
    .btn-primary-custom:hover { color: #fff; background: var(--blue-deep); transform: translateY(-2px); box-shadow: 0 10px 22px rgba(40,102,197,.25); }
    .btn-outline-custom { color: var(--blue-deep); background: #fff; border: 1px solid #cbd9e9; }
    .btn-outline-custom:hover { background: #f0f6ff; transform: translateY(-2px); }
    .hero-meta { display: flex; flex-wrap: wrap; gap: 10px 22px; margin-top: 22px; color: #758397; font-size: 13px; }
    .hero-meta span::before { content: "✓"; margin-right: 7px; color: var(--teal); font-weight: 800; }
    .hero-art {
      min-height: 330px;
      position: relative;
      display: grid;
      align-content: end;
      overflow: hidden;
      padding: 25px;
      color: #fff;
      border-radius: 18px;
      background:
        linear-gradient(180deg, rgba(16,38,66,.05) 0%, rgba(16,38,66,.85) 100%),
        url("https://images.unsplash.com/photo-1516589178581-6cd7833ae3b2?auto=format&fit=crop&w=1200&q=85") center 42% / cover,
        #35536d;
      box-shadow: var(--shadow);
    }
    .hero-art::before {
      content: "关系 · 情绪 · 中文表达";
      position: absolute; top: 18px; left: 18px;
      padding: 7px 11px; border: 1px solid rgba(255,255,255,.42);
      border-radius: 999px; background: rgba(18,38,61,.35);
      color: #fff; font-size: 12px; font-weight: 700;
    }
    .hero-art h2 { position: relative; margin: 0 0 7px; font-size: 24px; font-weight: 800; }
    .hero-art p { position: relative; max-width: 390px; margin: 0; color: rgba(255,255,255,.84); font-size: 14px; }
    main { padding-bottom: 52px; }
    .section { padding: 62px 0; border-bottom: 1px solid var(--line); }
    .section-white { background: #fff; }
    .section-tint { background: #f3f7fc; }
    .section-dark { color: #fff; background: #1e3654; }
    .section-head { max-width: 740px; margin-bottom: 30px; }
    .section-kicker { margin-bottom: 8px; color: var(--blue); font-size: 12px; font-weight: 800; }
    .section-dark .section-kicker { color: #8ec5ff; }
    .section-title { margin: 0 0 10px; font-size: clamp(25px, 3vw, 35px); line-height: 1.3; font-weight: 800; }
    .section-desc { margin: 0; color: var(--muted); max-width: 720px; }
    .section-dark .section-desc { color: #d0dceb; }
    .content-card {
      height: 100%; padding: 23px; background: var(--paper); border: 1px solid var(--line);
      border-radius: var(--radius); box-shadow: var(--shadow-soft);
      transition: transform .22s ease, box-shadow .22s ease;
    }
    .content-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
    .card-icon {
      width: 42px; height: 42px; display: grid; place-items: center; margin-bottom: 16px;
      color: var(--blue-deep); background: #edf4ff; border-radius: 12px; font-weight: 850;
    }
    .content-card h3 { margin: 0 0 9px; font-size: 18px; font-weight: 800; }
    .content-card p { margin: 0; color: var(--muted); font-size: 14px; }
    .tag-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
    .tag { display: inline-flex; padding: 5px 10px; color: #52647a; background: #f0f4f8; border: 1px solid #e0e7ef; border-radius: 999px; font-size: 12px; font-weight: 650; }
    .feature-list { display: grid; gap: 15px; margin: 22px 0 0; padding: 0; list-style: none; }
    .feature-list li { display: grid; grid-template-columns: 30px 1fr; gap: 12px; color: var(--muted); }
    .feature-num { width: 28px; height: 28px; display: grid; place-items: center; color: var(--blue-deep); background: #eaf2fd; border-radius: 9px; font-size: 12px; font-weight: 800; }
    .feature-list strong { display: block; color: var(--ink); margin-bottom: 2px; font-size: 15px; }
    .strip-item { height: 100%; padding: 22px; background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.12); border-radius: 13px; }
    .strip-item strong { display: block; margin-bottom: 4px; font-size: 17px; }
    .strip-item span { color: #d0dceb; font-size: 13px; }
    .topic-rail { display: flex; gap: 12px; overflow-x: auto; padding: 5px 2px 14px; scrollbar-width: thin; }
    .topic-chip {
      flex: 0 0 auto; min-width: 185px; padding: 16px 18px;
      color: var(--ink); background: #fff; border: 1px solid var(--line); border-radius: 13px;
      box-shadow: var(--shadow-soft); transition: transform .2s ease, border-color .2s ease;
    }
    .topic-chip:hover { transform: translateY(-3px); border-color: #b8cee9; }
    .topic-chip strong { display: block; font-size: 15px; }
    .topic-chip span { display: block; margin-top: 3px; color: var(--muted); font-size: 12px; }
    .editorial-grid { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(260px, .75fr); gap: 24px; }
    .editorial-feature {
      min-height: 250px; display: flex; flex-direction: column; justify-content: end;
      padding: 28px; color: #fff; border-radius: 17px; overflow: hidden;
      background: linear-gradient(0deg, rgba(19,43,69,.9), rgba(19,43,69,.05)), url("https://images.unsplash.com/photo-1516589178581-6cd7833ae3b2?auto=format&fit=crop&w=1200&q=80") center / cover, #49627a;
      box-shadow: var(--shadow-soft);
    }
    .editorial-feature h3 { max-width: 540px; margin: 0 0 8px; font-size: 25px; font-weight: 800; }
    .editorial-feature p { max-width: 600px; margin: 0; color: rgba(255,255,255,.84); font-size: 14px; }
    .editorial-list { display: grid; gap: 12px; }
    .editorial-item { padding: 17px 18px; background: #fff; border: 1px solid var(--line); border-radius: 13px; }
    .editorial-item small { display: block; margin-bottom: 4px; color: var(--teal); font-weight: 750; }
    .editorial-item strong { display: block; font-size: 15px; line-height: 1.5; }
    .editorial-item p { margin: 5px 0 0; color: var(--muted); font-size: 13px; }
    .quote-band { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 32px; }
    .quote-mark { color: #8ec5ff; font: 700 56px/1 Georgia, serif; }
    .quote-band blockquote { margin: 0; max-width: 760px; color: #f3f7fc; font-size: 20px; font-weight: 650; }
    .quote-band cite { display: block; margin-top: 12px; color: #c2d1e2; font-size: 13px; font-style: normal; }
    .compare-panel { display: grid; grid-template-columns: 1fr 1fr; overflow: hidden; border: 1px solid var(--line); border-radius: 16px; background: #fff; box-shadow: var(--shadow-soft); }
    .compare-col { padding: 24px; }
    .compare-col + .compare-col { border-left: 1px solid var(--line); background: #f8fbff; }
    .compare-col h3 { margin: 0 0 14px; font-size: 17px; }
    .compare-col ul { display: grid; gap: 10px; margin: 0; padding: 0; list-style: none; color: var(--muted); font-size: 14px; }
    .compare-col li::before { content: "•"; margin-right: 9px; color: var(--teal); font-weight: 900; }
    .standards-block { display: grid; grid-template-columns: .8fr 1.2fr; gap: 38px; align-items: start; }
    .standards-note { padding: 24px; border-left: 4px solid var(--teal); background: #fff; box-shadow: var(--shadow-soft); }
    .standards-note strong { display: block; margin-bottom: 7px; font-size: 17px; }
    .standards-note p { margin: 0; color: var(--muted); font-size: 14px; }
    .article-row { display: grid; grid-template-columns: 110px 1fr auto; align-items: center; gap: 18px; padding: 18px 0; border-bottom: 1px solid var(--line); }
    .article-label { display: inline-flex; justify-content: center; padding: 5px 9px; color: var(--blue-deep); background: #edf4ff; border-radius: 7px; font-size: 12px; font-weight: 750; }
    .article-row h3 { margin: 0; font-size: 16px; font-weight: 750; }
    .article-row p { margin: 3px 0 0; color: var(--muted); font-size: 13px; }
    .article-arrow { color: var(--blue); font-size: 20px; }
    .faq-list { max-width: 850px; }
    .faq-item { padding: 18px 0; border-bottom: 1px solid var(--line); }
    .faq-item h3 { margin: 0 0 7px; font-size: 16px; font-weight: 800; }
    .faq-item p { margin: 0; color: var(--muted); font-size: 14px; }
    .closing-band {
      display: flex; justify-content: space-between; align-items: center; gap: 24px;
      padding: 30px; color: #fff; background: #1e3654; border-radius: 17px;
    }
    .closing-band h2 { margin: 0 0 6px; font-size: 22px; font-weight: 800; }
    .closing-band p { margin: 0; color: #d0dceb; font-size: 14px; }
    .site-footer { padding: 44px 0 22px; background: #fff; }
    .footer-top { display: flex; justify-content: space-between; gap: 34px; padding-bottom: 26px; }
    .footer-brand { display: inline-block; margin-bottom: 8px; font-weight: 850; font-size: 17px; }
    .footer-copy { max-width: 560px; margin: 0; color: var(--muted); font-size: 13px; }
    .footer-links { display: flex; flex-wrap: wrap; align-content: start; gap: 10px 20px; }
    .footer-links a { color: #536277; font-size: 13px; font-weight: 650; }
    .footer-links a:hover { color: var(--blue-deep); }
    .footer-bottom { display: flex; justify-content: space-between; gap: 16px; padding-top: 17px; border-top: 1px solid var(--line); color: #748196; font-size: 12px; }
    .age-note { color: var(--rose); font-weight: 700; }
    .sticky-cta { display: none; }

    @media (max-width: 1024px) {
      .hero-grid { gap: 28px; }
      .hero-art { min-height: 300px; }
      .nav-search { width: 170px; }
      .editorial-grid { grid-template-columns: 1fr .85fr; }
    }
    @media (max-width: 768px) {
      .container-wide, .nav-dock { width: min(100% - 28px, 1160px); }
      .site-header { top: 7px; padding-top: 7px; }
      .nav-dock { min-height: 62px; flex-wrap: wrap; padding: 9px 11px; }
      .brand-name { font-size: 13px; }
      .menu-toggle { display: inline-flex; align-items: center; gap: 7px; }
      .nav-content { display: none; flex-basis: 100%; align-items: stretch; padding: 4px 2px 6px; }
      .nav-content.open { display: flex; flex-direction: column; gap: 10px; }
      .nav-links { flex-direction: column; align-items: stretch; gap: 3px; }
      .nav-link-custom { width: 100%; }
      .nav-search { width: 100%; }
      .hero { margin-top: 14px; padding: 42px 0 36px; }
      .hero-grid { grid-template-columns: 1fr; }
      .hero-art { min-height: 255px; }
      .section { padding: 48px 0; }
      .editorial-grid, .standards-block { grid-template-columns: 1fr; }
      .quote-band { grid-template-columns: 1fr; gap: 4px; }
      .quote-mark { font-size: 42px; }
      .closing-band { align-items: flex-start; flex-direction: column; }
      .footer-top { flex-direction: column; }
      .sticky-cta {
        position: fixed; z-index: 25; right: 12px; bottom: 12px; left: 12px;
        display: flex; justify-content: center; padding: 8px;
        background: rgba(255,255,255,.95); border: 1px solid var(--line);
        border-radius: 14px; box-shadow: var(--shadow); backdrop-filter: blur(12px);
      }
      body { padding-bottom: 76px; }
    }
    @media (max-width: 520px) {
      .container-wide, .nav-dock { width: calc(100% - 24px); }
      .hero-inner { width: calc(100% - 32px); }
      h1 { font-size: 34px; }
      .hero-copy { font-size: 15px; }
      .hero-actions { flex-direction: column; align-items: stretch; }
      .btn-primary-custom, .btn-outline-custom { width: 100%; }
      .hero-meta { gap: 7px 14px; font-size: 12px; }
      .hero-art { min-height: 230px; padding: 19px; }
      .section-title { font-size: 26px; }
      .content-card { padding: 19px; }
      .compare-panel { grid-template-columns: 1fr; }
      .compare-col + .compare-col { border-left: 0; border-top: 1px solid var(--line); }
      .article-row { grid-template-columns: 82px 1fr; gap: 10px; }
      .article-arrow { display: none; }
      .article-row h3 { font-size: 14px; }
      .footer-bottom { flex-direction: column; }
      .closing-band { padding: 23px; }
    }
    @media (prefers-reduced-motion: reduce) {
      *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; }
    }