/* roulang page: index */
:root {
      color-scheme: light;
      --ink: #172127;
      --muted: #657279;
      --paper: #f5f7f5;
      --white: #fff;
      --line: #dfe6e2;
      --green: #1f6757;
      --green-dark: #164d42;
      --lime: #c9ed75;
      --coral: #e76f51;
      --gold: #e8b75a;
      --night: #121b22;
      --night-soft: #1b282e;
      --radius: 18px;
      --radius-lg: 26px;
      --shadow: 0 18px 44px rgba(21, 42, 36, .09);
      --container: 1180px;
    }
    *, *::before, *::after { box-sizing: border-box; }
    html { scroll-behavior: smooth; scroll-padding-top: 92px; }
    body {
      margin: 0;
      background: var(--paper);
      color: var(--ink);
      font-family: "DM Sans", "Noto Sans SC", sans-serif;
      font-size: 15px;
      line-height: 1.75;
      -webkit-font-smoothing: antialiased;
    }
    a { color: inherit; text-decoration: none; }
    img { display: block; max-width: 100%; }
    button, input { font: inherit; }
    button, a { -webkit-tap-highlight-color: transparent; }
    button:focus-visible, a:focus-visible, input:focus-visible {
      outline: 3px solid rgba(201, 237, 117, .9);
      outline-offset: 3px;
    }
    .container { width: min(var(--container), calc(100% - 48px)); margin-inline: auto; }
    .site-header {
      position: sticky; top: 0; z-index: 30;
      background: rgba(255,255,255,.94);
      border-bottom: 1px solid rgba(223,230,226,.9);
      backdrop-filter: blur(16px);
    }
    .nav-shell {
      min-height: 76px; display: flex; align-items: center; gap: 28px;
    }
    .brand {
      display: inline-flex; flex: 0 0 auto; align-items: center; gap: 11px;
      color: var(--ink); font-size: 16px; font-weight: 800; white-space: nowrap;
    }
    .brand-mark {
      display: grid; width: 37px; height: 37px; place-items: center;
      border-radius: 12px; color: var(--night); background: var(--lime);
      box-shadow: inset 0 0 0 1px rgba(23,33,39,.08);
    }
    .brand-mark svg { width: 21px; height: 21px; }
    .nav-links { display: flex; align-items: center; gap: 7px; margin-left: auto; }
    .nav-link {
      display: inline-flex; align-items: center; min-height: 40px; padding: 0 14px;
      border-radius: 12px; color: #56646a; font-size: 14px; font-weight: 600;
      transition: background .2s ease, color .2s ease;
    }
    .nav-link:hover, .nav-link.active { background: #edf3ee; color: var(--green-dark); }
    .nav-tools { display: flex; align-items: center; gap: 13px; }
    .status {
      display: inline-flex; align-items: center; gap: 8px; color: #53635e;
      font-size: 12px; font-weight: 600; white-space: nowrap;
    }
    .status-dot { width: 8px; height: 8px; border-radius: 50%; background: #63b879; box-shadow: 0 0 0 4px #e8f4e8; }
    .nav-action {
      display: inline-flex; min-height: 42px; align-items: center; justify-content: center;
      gap: 8px; padding: 0 16px; border-radius: 12px; background: var(--green);
      color: #fff; font-size: 13px; font-weight: 700; transition: background .2s, transform .2s;
    }
    .nav-action:hover { background: var(--green-dark); transform: translateY(-1px); }
    .menu-toggle {
      display: none; width: 42px; height: 42px; border: 1px solid var(--line);
      border-radius: 12px; background: #fff; color: var(--ink); cursor: pointer;
    }
    .menu-toggle svg { width: 19px; height: 19px; }
    .hero {
      position: relative; overflow: hidden; min-height: 548px;
      background: var(--night); color: #f8fbf7;
    }
    .hero::before {
      position: absolute; inset: 0; content: "";
      background:
        linear-gradient(90deg, rgba(12,20,25,.97) 0%, rgba(12,20,25,.92) 43%, rgba(12,20,25,.58) 100%),
        url("https://images.unsplash.com/photo-1489599849927-2ee91cede3ba?auto=format&fit=crop&w=2000&q=88") center 43% / cover;
    }
    .hero::after {
      position: absolute; right: -100px; bottom: -280px; width: 580px; height: 580px;
      content: ""; border: 1px solid rgba(201,237,117,.18); border-radius: 50%;
      box-shadow: 0 0 0 42px rgba(201,237,117,.035), 0 0 0 84px rgba(201,237,117,.025);
    }
    .hero-inner {
      position: relative; z-index: 1; display: grid; grid-template-columns: 1.1fr .9fr;
      align-items: center; gap: 56px; min-height: 548px; padding-block: 62px;
    }
    .hero-copy { max-width: 680px; }
    .eyebrow {
      display: inline-flex; align-items: center; gap: 9px; color: var(--lime);
      font-size: 12px; font-weight: 700; letter-spacing: 0;
    }
    .eyebrow::before { width: 24px; height: 2px; content: ""; background: var(--lime); }
    h1 { margin: 18px 0 19px; max-width: 680px; font-size: clamp(36px, 4.1vw, 56px); line-height: 1.2; letter-spacing: 0; }
    .hero-copy p { max-width: 645px; margin: 0; color: #c4ceca; font-size: 15px; line-height: 1.95; }
    .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 27px; }
    .button {
      display: inline-flex; min-height: 48px; align-items: center; justify-content: center; gap: 9px;
      padding: 0 19px; border: 1px solid transparent; border-radius: 13px; cursor: pointer;
      font-size: 14px; font-weight: 700; transition: transform .2s, background .2s, border-color .2s, box-shadow .2s;
    }
    .button:hover { transform: translateY(-2px); }
    .button-primary { background: var(--lime); color: var(--night); box-shadow: 0 8px 20px rgba(201,237,117,.15); }
    .button-primary:hover { background: #d9f59a; box-shadow: 0 10px 24px rgba(201,237,117,.23); }
    .button-ghost { border-color: rgba(255,255,255,.3); color: #f4f7f3; background: rgba(255,255,255,.05); }
    .button-ghost:hover { background: rgba(255,255,255,.12); border-color: rgba(255,255,255,.5); }
    .hero-note { display: flex; align-items: center; gap: 10px; margin-top: 22px; color: #aebbb5; font-size: 12px; }
    .hero-note span { display: inline-flex; align-items: center; gap: 6px; }
    .hero-note svg { width: 15px; height: 15px; color: var(--lime); }
    .hero-feature {
      max-width: 460px; justify-self: end; width: 100%; padding: 23px;
      border: 1px solid rgba(255,255,255,.16); border-radius: var(--radius-lg);
      background: rgba(20,31,37,.77); box-shadow: 0 22px 54px rgba(0,0,0,.23);
      backdrop-filter: blur(14px);
    }
    .feature-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-bottom: 16px; border-bottom: 1px solid rgba(255,255,255,.13); }
    .feature-head strong { font-size: 15px; }
    .feature-head span { color: #aebbb5; font-size: 11px; }
    .rank-list { display: grid; gap: 4px; padding-top: 12px; }
    .rank-item { display: grid; grid-template-columns: 32px 1fr auto; align-items: center; gap: 12px; min-height: 61px; border-bottom: 1px solid rgba(255,255,255,.08); }
    .rank-item:last-child { border-bottom: 0; }
    .rank-no { color: #82908a; font-family: "DM Sans", sans-serif; font-size: 18px; font-weight: 700; }
    .rank-item:nth-child(-n+3) .rank-no { color: var(--lime); }
    .rank-info strong { display: block; color: #f5f8f4; font-size: 13px; line-height: 1.5; }
    .rank-info small { display: block; color: #9fada6; font-size: 11px; }
    .rank-badge { padding: 4px 8px; border-radius: 8px; background: rgba(201,237,117,.12); color: var(--lime); font-size: 10px; font-weight: 700; white-space: nowrap; }
    .proof-strip { background: #fff; border-bottom: 1px solid var(--line); }
    .proof-inner { display: grid; grid-template-columns: repeat(4, 1fr); padding-block: 20px; }
    .proof-item { display: flex; align-items: center; justify-content: center; gap: 11px; padding-inline: 12px; border-right: 1px solid var(--line); }
    .proof-item:last-child { border-right: 0; }
    .proof-item svg { width: 20px; height: 20px; color: var(--green); flex: 0 0 auto; }
    .proof-item span { color: #53615d; font-size: 12px; font-weight: 600; }
    main section { padding-block: 82px; }
    .section-head { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: 32px; }
    .section-head-copy { max-width: 720px; }
    .section-kicker { display: block; margin-bottom: 8px; color: var(--green); font-size: 11px; font-weight: 800; }
    .section-head h2 { margin: 0; font-size: 30px; line-height: 1.35; letter-spacing: 0; }
    .section-head p { max-width: 700px; margin: 12px 0 0; color: var(--muted); font-size: 14px; }
    .text-link { display: inline-flex; align-items: center; gap: 8px; color: var(--green-dark); font-size: 13px; font-weight: 700; white-space: nowrap; }
    .text-link:hover { color: var(--coral); }
    .text-link svg { width: 16px; height: 16px; }
    .section-white { background: #fff; }
    .section-soft { background: #eef3ef; }
    .section-dark { background: var(--night); color: #f6f8f4; }
    .section-dark .section-head p { color: #aebbb5; }
    .section-dark .section-kicker { color: var(--lime); }
    .offer-grid { display: grid; grid-template-columns: 1.18fr .91fr .91fr; gap: 16px; }
    .offer-card {
      position: relative; overflow: hidden; min-height: 230px; padding: 25px;
      border: 1px solid var(--line); border-radius: var(--radius); background: #fff;
      transition: transform .22s, box-shadow .22s;
    }
    .offer-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
    .offer-card.featured { border-color: #b5db77; background: #f4fae9; }
    .offer-label { display: inline-flex; padding: 5px 9px; border-radius: 7px; background: #edf2ed; color: #50615a; font-size: 10px; font-weight: 700; }
    .featured .offer-label { background: #dff2b8; color: #35551d; }
    .offer-card h3 { margin: 16px 0 8px; font-size: 19px; line-height: 1.4; }
    .offer-card p { max-width: 360px; margin: 0; color: var(--muted); font-size: 13px; }
    .offer-foot { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: 23px; padding-top: 13px; border-top: 1px solid rgba(44,70,56,.12); }
    .offer-foot strong { color: var(--green-dark); font-size: 13px; }
    .offer-foot span { color: #738078; font-size: 11px; }
    .compare-layout { display: grid; grid-template-columns: .75fr 1.25fr; gap: 42px; align-items: start; }
    .compare-copy { position: sticky; top: 105px; }
    .compare-copy h2 { margin: 0 0 14px; font-size: 31px; line-height: 1.35; }
    .compare-copy p { margin: 0; color: var(--muted); font-size: 14px; }
    .compare-points { display: grid; gap: 12px; margin-top: 24px; }
    .compare-point { display: flex; align-items: flex-start; gap: 10px; color: #4c5a55; font-size: 13px; }
    .check {
      display: grid; flex: 0 0 21px; width: 21px; height: 21px; place-items: center;
      border-radius: 7px; background: #e6f2dd; color: var(--green); font-size: 13px; font-weight: 800;
    }
    .compare-table { overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; box-shadow: 0 12px 32px rgba(21,42,36,.04); }
    .compare-row { display: grid; grid-template-columns: 1.1fr 1fr 1fr; align-items: center; min-height: 63px; padding-inline: 20px; border-bottom: 1px solid #edf0ed; }
    .compare-row:last-child { border-bottom: 0; }
    .compare-row.header { min-height: 58px; background: #f2f6f2; color: #43534b; font-size: 12px; font-weight: 700; }
    .compare-row span { color: #62706a; font-size: 12px; }
    .compare-row strong { color: var(--ink); font-size: 13px; }
    .compare-row .good { color: var(--green); font-weight: 700; }
    .entry-layout { display: grid; grid-template-columns: 1fr 1fr; min-height: 285px; overflow: hidden; border-radius: var(--radius-lg); background: var(--green-dark); }
    .entry-copy { display: flex; flex-direction: column; justify-content: center; padding: 40px 44px; color: #fff; }
    .entry-copy .section-kicker { color: var(--lime); }
    .entry-copy h2 { margin: 4px 0 12px; font-size: 28px; line-height: 1.4; }
    .entry-copy p { max-width: 490px; margin: 0; color: #d0ded6; font-size: 13px; }
    .entry-meta { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 19px; }
    .entry-meta span { padding: 6px 10px; border: 1px solid rgba(255,255,255,.24); border-radius: 8px; color: #e7f1ea; font-size: 10px; }
    .entry-art { position: relative; min-height: 285px; overflow: hidden; background: #253a32; }
    .entry-art img { width: 100%; height: 100%; min-height: 285px; object-fit: cover; opacity: .76; }
    .entry-art::after { position: absolute; inset: 0; content: ""; background: linear-gradient(90deg, rgba(22,77,66,.4), transparent 75%), linear-gradient(0deg, rgba(12,20,25,.32), transparent 62%); }
    .entry-caption { position: absolute; z-index: 1; right: 20px; bottom: 19px; left: 20px; display: flex; justify-content: space-between; gap: 12px; color: #fff; font-size: 11px; }
    .content-grid { display: grid; grid-template-columns: 1.3fr .85fr .85fr; grid-template-rows: 220px 220px; gap: 16px; }
    .content-card {
      position: relative; overflow: hidden; min-width: 0; border-radius: var(--radius);
      background: #25312f; color: #fff; isolation: isolate;
    }
    .content-card:first-child { grid-row: span 2; }
    .content-card img { position: absolute; inset: 0; z-index: -2; width: 100%; height: 100%; object-fit: cover; transition: transform .45s; }
    .content-card:hover img { transform: scale(1.055); }
    .content-card::after { position: absolute; inset: 0; z-index: -1; content: ""; background: linear-gradient(0deg, rgba(11,20,21,.88), rgba(11,20,21,.08) 73%); }
    .content-card-body { position: absolute; right: 20px; bottom: 18px; left: 20px; }
    .content-tag { display: inline-flex; padding: 4px 8px; border-radius: 7px; background: rgba(201,237,117,.92); color: #183027; font-size: 10px; font-weight: 800; }
    .content-card h3 { margin: 10px 0 6px; font-size: 18px; line-height: 1.4; }
    .content-card:first-child h3 { max-width: 410px; font-size: 24px; }
    .content-card p { max-width: 450px; margin: 0; color: #d2d9d5; font-size: 12px; line-height: 1.65; }
    .content-meta { display: flex; gap: 12px; margin-top: 11px; color: #b9c5bf; font-size: 10px; }
    .series-section { background: #fff; }
    .series-layout { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 54px; }
    .series-image { position: relative; overflow: hidden; min-height: 340px; border-radius: var(--radius-lg); background: #d7e1da; }
    .series-image img { width: 100%; height: 340px; object-fit: cover; }
    .image-stamp { position: absolute; right: 18px; bottom: 18px; padding: 10px 13px; border: 1px solid rgba(255,255,255,.45); border-radius: 11px; background: rgba(18,27,34,.75); color: #fff; font-size: 11px; font-weight: 700; backdrop-filter: blur(8px); }
    .series-copy h2 { margin: 0 0 13px; font-size: 30px; line-height: 1.4; }
    .series-copy > p { margin: 0; color: var(--muted); font-size: 14px; }
    .series-list { display: grid; gap: 0; margin-top: 22px; border-top: 1px solid var(--line); }
    .series-item { display: grid; grid-template-columns: 36px 1fr; gap: 12px; padding: 14px 0; border-bottom: 1px solid var(--line); }
    .series-item b { color: var(--coral); font-size: 12px; }
    .series-item strong { display: block; font-size: 13px; }
    .series-item span { display: block; margin-top: 3px; color: var(--muted); font-size: 11px; }
    .review-wall { display: grid; grid-template-columns: 1.12fr .88fr .88fr; gap: 15px; }
    .review-card { min-height: 212px; padding: 23px; border: 1px solid rgba(255,255,255,.13); border-radius: var(--radius); background: var(--night-soft); }
    .review-card.primary-review { background: #253b35; }
    .stars { color: var(--lime); font-size: 13px; letter-spacing: 0; }
    .review-card blockquote { margin: 15px 0 20px; color: #e6ece7; font-size: 14px; line-height: 1.8; }
    .review-person { display: flex; align-items: center; gap: 10px; }
    .avatar { display: grid; width: 34px; height: 34px; place-items: center; border-radius: 50%; background: #d9e8c3; color: #294b37; font-size: 12px; font-weight: 800; }
    .review-person strong { display: block; color: #eff3ef; font-size: 11px; }
    .review-person span { display: block; color: #9eada5; font-size: 10px; }
    .topic-grid { display: grid; grid-template-columns: 1.35fr .95fr .95fr .95fr; gap: 14px; }
    .topic-card { display: flex; min-height: 180px; flex-direction: column; justify-content: space-between; padding: 20px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; transition: border-color .2s, transform .2s, box-shadow .2s; }
    .topic-card:hover { transform: translateY(-3px); border-color: #a6c77b; box-shadow: 0 13px 26px rgba(21,42,36,.07); }
    .topic-card.feature-topic { background: #eaf2e5; border-color: #d7e7ca; }
    .topic-top { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
    .topic-icon { display: grid; width: 39px; height: 39px; place-items: center; border-radius: 12px; background: #edf3ee; color: var(--green); }
    .feature-topic .topic-icon { background: #d8e9c9; }
    .topic-icon svg { width: 19px; height: 19px; }
    .topic-count { color: #829087; font-size: 10px; }
    .topic-card h3 { margin: 15px 0 5px; font-size: 15px; }
    .topic-card p { margin: 0; color: var(--muted); font-size: 11px; line-height: 1.65; }
    .timeline { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; margin-top: 34px; }
    .timeline-item { position: relative; padding: 0 22px 0 0; }
    .timeline-item::before { position: absolute; top: 8px; right: 0; left: 0; height: 1px; content: ""; background: #dce5df; }
    .timeline-item:last-child::before { right: 100%; }
    .timeline-dot { position: relative; z-index: 1; width: 17px; height: 17px; margin-bottom: 17px; border: 4px solid #f5f7f5; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 1px #8cae96; }
    .timeline-item time { color: var(--green); font-size: 10px; font-weight: 800; }
    .timeline-item h3 { margin: 5px 0; font-size: 14px; }
    .timeline-item p { margin: 0; color: var(--muted); font-size: 11px; line-height: 1.7; }
    .insight-layout { display: grid; grid-template-columns: .95fr 1.05fr; gap: 48px; align-items: center; }
    .insight-copy h2 { margin: 0 0 13px; font-size: 30px; line-height: 1.4; }
    .insight-copy p { margin: 0; color: #aebbb5; font-size: 14px; }
    .insight-points { display: grid; gap: 12px; margin-top: 23px; }
    .insight-point { display: flex; gap: 11px; align-items: center; color: #d8e1dc; font-size: 12px; }
    .insight-point .check { background: rgba(201,237,117,.14); color: var(--lime); }
    .metric-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
    .metric-card { min-height: 115px; padding: 19px; border: 1px solid rgba(255,255,255,.12); border-radius: 15px; background: rgba(255,255,255,.045); }
    .metric-card strong { display: block; color: var(--lime); font-size: 25px; line-height: 1.25; }
    .metric-card span { display: block; margin-top: 7px; color: #aebbb5; font-size: 11px; }
    .news-layout { display: grid; grid-template-columns: .72fr 1.28fr; gap: 42px; }
    .news-intro h2 { margin: 0 0 12px; font-size: 29px; line-height: 1.4; }
    .news-intro p { margin: 0; color: var(--muted); font-size: 13px; }
    .news-list { border-top: 1px solid var(--line); }
    .news-item { display: grid; grid-template-columns: 85px 1fr 20px; align-items: center; gap: 15px; min-height: 73px; border-bottom: 1px solid var(--line); }
    .news-category { display: inline-flex; width: fit-content; padding: 5px 8px; border-radius: 7px; background: #eaf1e8; color: var(--green); font-size: 10px; font-weight: 700; }
    .news-item h3 { margin: 0; font-size: 13px; line-height: 1.55; }
    .news-item p { margin: 3px 0 0; color: var(--muted); font-size: 10px; }
    .news-arrow { color: #87958d; font-size: 17px; transition: color .2s, transform .2s; }
    .news-item:hover .news-arrow { color: var(--coral); transform: translateX(3px); }
    .catalog-section { background: #eef3ef; }
    .catalog-banner { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 25px; padding: 28px 32px; border: 1px solid #dbe6da; border-radius: var(--radius); background: #fff; }
    .catalog-banner h2 { margin: 0 0 5px; font-size: 20px; }
    .catalog-banner p { margin: 0; color: var(--muted); font-size: 12px; }
    .catalog-stats { display: flex; gap: 24px; }
    .catalog-stat { min-width: 80px; padding-left: 20px; border-left: 1px solid var(--line); }
    .catalog-stat strong { display: block; color: var(--green-dark); font-size: 19px; }
    .catalog-stat span { color: var(--muted); font-size: 10px; }
    .newsletter {
      padding-block: 60px; color: #fff;
      background: linear-gradient(105deg, #205f51, #21453f 72%, #28433a);
    }
    .newsletter-inner { display: flex; align-items: center; justify-content: space-between; gap: 30px; }
    .newsletter h2 { margin: 0 0 7px; font-size: 25px; }
    .newsletter p { max-width: 650px; margin: 0; color: #c6d8cf; font-size: 12px; }
    .newsletter-form { display: flex; flex: 0 0 min(100%, 410px); gap: 8px; }
    .newsletter-form input { min-width: 0; flex: 1; height: 46px; padding: 0 14px; border: 1px solid rgba(255,255,255,.24); border-radius: 11px; background: rgba(255,255,255,.1); color: #fff; }
    .newsletter-form input::placeholder { color: #c3d2ca; }
    .newsletter-form button { min-width: 100px; border: 0; border-radius: 11px; background: var(--lime); color: var(--night); font-size: 12px; font-weight: 800; cursor: pointer; transition: background .2s; }
    .newsletter-form button:hover { background: #dbf5a0; }
    .form-note { margin-top: 7px; color: #c0d2c8; font-size: 10px; }
    .site-footer { padding: 48px 0 22px; background: #111a1f; color: #e7ece8; }
    .footer-top { display: grid; grid-template-columns: 1.4fr .8fr .8fr 1fr; gap: 38px; padding-bottom: 38px; }
    .footer-brand-copy { max-width: 350px; margin: 15px 0 0; color: #9ba9a2; font-size: 11px; line-height: 1.8; }
    .footer-col h3 { margin: 4px 0 14px; color: #f4f6f3; font-size: 12px; }
    .footer-links { display: grid; gap: 9px; }
    .footer-links a { width: fit-content; color: #9ba9a2; font-size: 11px; transition: color .2s; }
    .footer-links a:hover { color: var(--lime); }
    .footer-contact { color: #9ba9a2; font-size: 11px; line-height: 1.8; }
    .footer-bottom { display: flex; align-items: center; justify-content: space-between; gap: 18px; padding-top: 18px; border-top: 1px solid rgba(255,255,255,.1); color: #819089; font-size: 10px; }
    .footer-legal { display: flex; flex-wrap: wrap; gap: 16px; }
    .footer-legal a:hover { color: #d9e6dd; }
    .notice { min-height: 19px; margin: 6px 0 0; color: #e2f4c2; font-size: 11px; }
    @media (max-width: 1024px) {
      .nav-shell { gap: 16px; }
      .status { display: none; }
      .hero-inner { gap: 32px; }
      .offer-grid { grid-template-columns: repeat(2, 1fr); }
      .offer-card:first-child { grid-column: span 2; }
      .topic-grid { grid-template-columns: repeat(2, 1fr); }
      .footer-top { grid-template-columns: 1.2fr 1fr 1fr; }
      .footer-top > :last-child { grid-column: 2 / 4; }
    }
    @media (max-width: 768px) {
      .container { width: min(var(--container), calc(100% - 36px)); }
      .nav-shell { min-height: 68px; }
      .menu-toggle { display: grid; place-items: center; margin-left: auto; }
      .nav-tools { display: none; }
      .nav-links {
        position: absolute; top: calc(100% + 1px); right: 0; left: 0; display: none;
        align-items: stretch; flex-direction: column; gap: 4px; padding: 12px 18px 16px;
        border-bottom: 1px solid var(--line); background: #fff; box-shadow: 0 16px 24px rgba(21,42,36,.08);
      }
      .nav-links.open { display: flex; }
      .nav-link { min-height: 43px; }
      .hero-inner { grid-template-columns: 1fr; gap: 30px; padding-block: 52px; }
      .hero { min-height: 0; }
      .hero-feature { justify-self: start; max-width: 560px; }
      .proof-inner { grid-template-columns: repeat(2, 1fr); row-gap: 17px; }
      .proof-item:nth-child(2) { border-right: 0; }
      main section { padding-block: 62px; }
      .section-head { align-items: flex-start; flex-direction: column; gap: 12px; margin-bottom: 25px; }
      .section-head h2, .compare-copy h2, .series-copy h2, .insight-copy h2 { font-size: 26px; }
      .compare-layout, .series-layout, .insight-layout, .news-layout { grid-template-columns: 1fr; gap: 30px; }
      .compare-copy { position: static; }
      .entry-layout { grid-template-columns: 1fr; }
      .entry-art, .entry-art img { min-height: 230px; height: 230px; }
      .content-grid { grid-template-columns: 1fr 1fr; grid-template-rows: 290px 205px 205px; }
      .content-card:first-child { grid-column: span 2; grid-row: auto; }
      .review-wall { grid-template-columns: 1fr 1fr; }
      .review-card.primary-review { grid-column: span 2; }
      .timeline { grid-template-columns: repeat(2, 1fr); gap: 25px 18px; }
      .timeline-item::before { display: none; }
      .timeline-dot { margin-bottom: 9px; }
      .newsletter-inner { align-items: flex-start; flex-direction: column; }
      .newsletter-form { width: 100%; flex-basis: auto; }
      .footer-top { grid-template-columns: 1fr 1fr; gap: 28px; }
      .footer-top > :last-child { grid-column: auto; }
    }
    @media (max-width: 520px) {
      .container { width: calc(100% - 30px); }
      .brand { font-size: 14px; gap: 8px; }
      .brand-mark { width: 34px; height: 34px; }
      h1 { font-size: 34px; }
      .hero-inner { padding-block: 43px; }
      .hero-copy p { font-size: 13px; }
      .hero-actions { align-items: stretch; flex-direction: column; }
      .hero-actions .button { width: 100%; }
      .hero-feature { padding: 17px; }
      .proof-inner { padding-block: 16px; }
      .proof-item { justify-content: flex-start; padding-inline: 5px; }
      .proof-item span { font-size: 10px; }
      main section { padding-block: 49px; }
      .section-head h2, .compare-copy h2, .series-copy h2, .insight-copy h2 { font-size: 23px; }
      .offer-grid { grid-template-columns: 1fr; }
      .offer-card:first-child { grid-column: auto; }
      .offer-card { min-height: 200px; }
      .compare-row { grid-template-columns: 1fr .9fr .9fr; padding-inline: 12px; }
      .compare-row strong, .compare-row span { font-size: 10px; }
      .entry-copy { padding: 29px 23px; }
      .entry-copy h2 { font-size: 23px; }
      .content-grid { grid-template-columns: 1fr; grid-template-rows: 275px repeat(2, 205px); }
      .content-card:first-child { grid-column: auto; }
      .content-card:first-child h3 { font-size: 20px; }
      .series-image, .series-image img { min-height: 255px; height: 255px; }
      .review-wall { grid-template-columns: 1fr; }
      .review-card.primary-review { grid-column: auto; }
      .topic-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
      .topic-card { min-height: 165px; padding: 15px; }
      .topic-card:first-child { grid-column: span 2; }
      .timeline { grid-template-columns: 1fr 1fr; }
      .metric-grid { gap: 9px; }
      .metric-card { min-height: 102px; padding: 14px; }
      .metric-card strong { font-size: 21px; }
      .news-layout { gap: 22px; }
      .news-item { grid-template-columns: 67px 1fr 14px; gap: 9px; }
      .news-item h3 { font-size: 11px; }
      .catalog-banner { grid-template-columns: 1fr; padding: 22px; }
      .catalog-stats { gap: 14px; }
      .catalog-stat { min-width: 65px; padding-left: 12px; }
      .newsletter h2 { font-size: 22px; }
      .newsletter-form button { min-width: 86px; }
      .footer-top { grid-template-columns: 1fr 1fr; gap: 24px 18px; }
      .footer-top > :first-child { grid-column: span 2; }
      .footer-bottom { align-items: flex-start; flex-direction: column; }
    }
    @media (prefers-reduced-motion: reduce) {
      *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; }
    }

/* roulang page: category1 */
:root{
 color-scheme:light;
 --ink:#172127;--muted:#657279;--paper:#f5f7f5;--white:#fff;--line:#dfe6e2;
 --green:#1f6757;--green-dark:#164d42;--lime:#c9ed75;--coral:#e76f51;--gold:#e8b75a;
 --night:#121b22;--night-soft:#1b282e;--radius:18px;--radius-lg:26px;
 --shadow:0 18px 44px rgba(21,42,36,.09);--container:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:92px}
body{margin:0;background:var(--paper);color:var(--ink);font-family:"DM Sans","Noto Sans SC",sans-serif;font-size:15px;line-height:1.75;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button,input{font:inherit}
button,a{-webkit-tap-highlight-color:transparent}
button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid rgba(201,237,117,.9);outline-offset:3px}
.container{width:min(var(--container),calc(100% - 48px));margin-inline:auto}
.site-header{position:sticky;top:0;z-index:30;background:rgba(255,255,255,.94);border-bottom:1px solid rgba(223,230,226,.9);backdrop-filter:blur(16px)}
.nav-shell{min-height:76px;display:flex;align-items:center;gap:28px}
.brand{display:inline-flex;flex:0 0 auto;align-items:center;gap:11px;color:var(--ink);font-size:16px;font-weight:800;white-space:nowrap}
.brand-mark{display:grid;width:37px;height:37px;place-items:center;border-radius:12px;color:var(--night);background:var(--lime);box-shadow:inset 0 0 0 1px rgba(23,33,39,.08)}
.brand-mark svg{width:21px;height:21px}
.nav-links{display:flex;align-items:center;gap:7px;margin-left:auto}
.nav-link{display:inline-flex;align-items:center;min-height:40px;padding:0 14px;border-radius:12px;color:#56646a;font-size:14px;font-weight:600;transition:.2s}
.nav-link:hover,.nav-link.active{background:#edf3ee;color:var(--green-dark)}
.nav-tools{display:flex;align-items:center;gap:13px}
.nav-action{display:inline-flex;min-height:42px;align-items:center;justify-content:center;gap:8px;padding:0 16px;border-radius:12px;background:var(--green);color:#fff;font-size:13px;font-weight:700;transition:.2s}
.nav-action:hover{background:var(--green-dark);transform:translateY(-1px)}
.menu-toggle{display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:12px;background:#fff;color:var(--ink);cursor:pointer}
.menu-toggle svg{width:19px;height:19px}

.page-hero{padding:76px 0 72px;background:#e9f0eb;border-bottom:1px solid var(--line)}
.page-hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:70px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:9px;color:var(--green);font-size:12px;font-weight:700}
.eyebrow:before{width:24px;height:2px;content:"";background:var(--coral)}
h1,h2,h3,p{margin-top:0}
h1{max-width:700px;margin:14px 0 18px;font-size:clamp(42px,5.2vw,72px);line-height:1.12;letter-spacing:0;font-weight:800}
.page-hero-copy p{max-width:650px;color:var(--muted);font-size:16px;line-height:1.95}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:27px}
.button{display:inline-flex;min-height:48px;align-items:center;justify-content:center;gap:9px;padding:0 19px;border:1px solid transparent;border-radius:13px;cursor:pointer;font-size:14px;font-weight:700;transition:.2s}
.button:hover{transform:translateY(-2px)}
.button-primary{background:var(--green);color:#fff;box-shadow:0 8px 20px rgba(31,103,87,.16)}
.button-primary:hover{background:var(--green-dark)}
.button-light{background:#fff;border-color:var(--line);color:var(--green-dark)}
.button-light:hover{border-color:var(--green);background:#f7fbf8}
.hero-panel{position:relative;overflow:hidden;padding:28px;border-radius:var(--radius-lg);background:var(--night);color:#fff;box-shadow:var(--shadow)}
.hero-panel:after{position:absolute;right:-80px;bottom:-110px;width:280px;height:280px;border:1px solid rgba(201,237,117,.25);border-radius:50%;content:"";box-shadow:0 0 0 28px rgba(201,237,117,.04),0 0 0 57px rgba(201,237,117,.03)}
.panel-label{position:relative;z-index:1;display:flex;justify-content:space-between;gap:18px;padding-bottom:18px;border-bottom:1px solid rgba(255,255,255,.14);font-size:13px}
.panel-label span{color:#aebbb5}
.panel-stat{position:relative;z-index:1;display:flex;align-items:end;gap:14px;padding:26px 0 20px}
.panel-stat strong{font-size:58px;line-height:1;color:var(--lime)}
.panel-stat span{max-width:130px;color:#c4ceca;font-size:13px;line-height:1.5}
.panel-list{position:relative;z-index:1;display:grid;gap:12px}
.panel-item{display:flex;align-items:center;gap:12px;padding:13px 0;border-bottom:1px solid rgba(255,255,255,.1)}
.panel-item:last-child{border-bottom:0}
.panel-dot{width:9px;height:9px;border-radius:50%;background:var(--coral);box-shadow:0 0 0 5px rgba(231,111,81,.15)}
.panel-item strong{display:block;font-size:14px}
.panel-item small{display:block;color:#9eada8;font-size:11px}

.section{padding:82px 0}
.section.alt{background:#fff}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:28px;margin-bottom:30px}
.section-head h2{margin-bottom:7px;font-size:32px;line-height:1.25}
.section-head p{max-width:580px;margin:0;color:var(--muted)}
.text-link{color:var(--green);font-size:13px;font-weight:700;border-bottom:1px solid rgba(31,103,87,.35);white-space:nowrap}
.text-link:hover{color:var(--coral);border-color:var(--coral)}
.feature-grid{display:grid;grid-template-columns:1.18fr .82fr;gap:24px}
.feature-card{position:relative;overflow:hidden;min-height:330px;border-radius:var(--radius-lg);background:var(--night);color:#fff}
.feature-card img{width:100%;height:100%;object-fit:cover;opacity:.7;transition:transform .45s ease}
.feature-card:hover img{transform:scale(1.04)}
.feature-card:after{position:absolute;inset:35% 0 0;background:linear-gradient(transparent,rgba(9,17,20,.92));content:""}
.feature-content{position:absolute;z-index:1;right:28px;bottom:24px;left:28px}
.feature-content .tag{margin-bottom:11px}
.feature-content h3{max-width:570px;margin-bottom:8px;font-size:25px;line-height:1.35}
.feature-content p{max-width:580px;margin:0;color:#cad3cf;font-size:13px}
.side-stack{display:grid;gap:24px}
.mini-feature{display:grid;grid-template-columns:145px 1fr;min-height:153px;overflow:hidden;border:1px solid var(--line);border-radius:var(--radius);background:#fff;transition:.25s}
.mini-feature:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.mini-feature img{width:100%;height:100%;object-fit:cover}
.mini-content{padding:19px}
.tag{display:inline-flex;align-items:center;min-height:25px;padding:0 9px;border-radius:8px;background:rgba(201,237,117,.18);color:var(--green-dark);font-size:11px;font-weight:700}
.feature-card .tag{background:rgba(201,237,117,.18);color:var(--lime)}
.mini-content h3{margin:9px 0 5px;font-size:16px;line-height:1.45}
.mini-content p{margin:0;color:var(--muted);font-size:12px;line-height:1.6}
.topic-layout{display:grid;grid-template-columns:.82fr 1.18fr;gap:56px;align-items:start}
.topic-intro h2{margin:12px 0 13px;font-size:34px;line-height:1.3}
.topic-intro p{color:var(--muted)}
.topic-list{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.topic-item{display:flex;align-items:center;justify-content:space-between;gap:15px;padding:17px 18px;border:1px solid var(--line);border-radius:14px;background:#fff;font-weight:700;transition:.2s}
.topic-item:hover{border-color:var(--green);color:var(--green);transform:translateX(3px)}
.topic-item span{display:grid;place-items:center;width:27px;height:27px;border-radius:9px;background:#edf3ee;color:var(--green);font-size:13px}
.stats-band{padding:44px 0;background:var(--green);color:#fff}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.stat{padding:8px 22px;border-left:1px solid rgba(255,255,255,.2)}
.stat:first-child{border-left:0}
.stat strong{display:block;color:var(--lime);font-size:34px;line-height:1.2}
.stat span{display:block;margin-top:5px;color:#d4e0d9;font-size:13px}
.latest-layout{display:grid;grid-template-columns:1fr .72fr;gap:64px}
.article-list{display:grid;gap:0}
.article{display:grid;grid-template-columns:170px 1fr;gap:21px;padding:21px 0;border-bottom:1px solid var(--line)}
.article:first-child{padding-top:0}
.article img{width:170px;height:112px;border-radius:14px;object-fit:cover}
.article-meta{display:flex;gap:12px;align-items:center;margin-bottom:7px;color:var(--muted);font-size:11px}
.article h3{margin:0 0 6px;font-size:18px;line-height:1.45}
.article p{margin:0;color:var(--muted);font-size:13px;line-height:1.7}
.quote-box{padding:30px;border-radius:var(--radius-lg);background:#f0f5ef;border:1px solid #dce8df}
.quote-mark{color:var(--coral);font-size:52px;line-height:.8}
.quote-box blockquote{margin:17px 0 22px;font-size:20px;line-height:1.65;font-weight:600}
.quote-author{display:flex;align-items:center;gap:12px;color:var(--muted);font-size:12px}
.author-dot{width:34px;height:34px;border-radius:50%;background:var(--gold)}
.cta-section{padding:82px 0}
.cta-box{display:flex;align-items:center;justify-content:space-between;gap:35px;padding:42px 48px;border-radius:var(--radius-lg);background:var(--night);color:#fff}
.cta-box h2{max-width:620px;margin-bottom:9px;font-size:30px;line-height:1.35}
.cta-box p{max-width:620px;margin:0;color:#b9c6c0}
.cta-box .button{flex:0 0 auto}
.site-footer{padding:58px 0 22px;background:var(--night);color:#eaf0eb}
.footer-top{display:grid;grid-template-columns:1.35fr .72fr .72fr 1fr;gap:42px;padding-bottom:42px;border-bottom:1px solid rgba(255,255,255,.13)}
.footer-brand-copy{max-width:280px;margin:16px 0 0;color:#aebbb5;font-size:13px;line-height:1.8}
.footer-col h3{margin:3px 0 14px;font-size:13px}
.footer-links{display:grid;gap:8px}
.footer-links a,.footer-contact{color:#aebbb5;font-size:12px;line-height:1.7}
.footer-links a:hover{color:var(--lime)}
.footer-contact{margin:0 0 10px}
.footer-bottom{display:flex;justify-content:space-between;gap:20px;padding-top:21px;color:#8e9c96;font-size:11px}
.footer-legal{display:flex;gap:18px}
.footer-legal a:hover{color:var(--lime)}

@media(max-width:900px){
 .nav-shell{gap:16px}.nav-action{display:none}.page-hero-grid,.feature-grid,.topic-layout,.latest-layout{grid-template-columns:1fr;gap:35px}
 .hero-panel{max-width:620px}.stats-grid{grid-template-columns:repeat(2,1fr);gap:20px}.stat:nth-child(3){border-left:0}
 .footer-top{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:680px){
 .container{width:min(var(--container),calc(100% - 32px))}
 .nav-shell{min-height:68px}.brand{font-size:14px}.brand-mark{width:34px;height:34px}
 .menu-toggle{display:grid;place-items:center;margin-left:auto}.nav-links{display:none;position:absolute;top:68px;right:16px;left:16px;align-items:stretch;flex-direction:column;gap:4px;padding:10px;border:1px solid var(--line);border-radius:16px;background:#fff;box-shadow:var(--shadow)}
 .nav-links.open{display:flex}.nav-link{justify-content:center}
 .page-hero{padding:52px 0 50px}h1{font-size:43px}.page-hero-copy p{font-size:14px}
 .section{padding:58px 0}.section-head{display:block}.section-head h2{font-size:27px}.section-head p{margin-top:9px}.section-head .text-link{display:inline-block;margin-top:14px}
 .feature-card{min-height:340px}.side-stack{gap:15px}.mini-feature{grid-template-columns:120px 1fr;min-height:140px}
 .topic-list{grid-template-columns:1fr}.stats-grid{grid-template-columns:1fr 1fr}.stat{padding:7px 13px}.stat strong{font-size:28px}
 .article{grid-template-columns:105px 1fr;gap:14px}.article img{width:105px;height:90px}.article h3{font-size:15px}.article p{display:none}
 .cta-section{padding:58px 0}.cta-box{display:block;padding:30px 25px}.cta-box h2{font-size:25px}.cta-box .button{margin-top:22px}
 .footer-top{grid-template-columns:1fr;gap:28px}.footer-bottom{display:block}.footer-legal{margin-top:10px}
}
@media(max-width:430px){
 .brand span:last-child{max-width:170px;white-space:normal;line-height:1.25}.hero-actions .button{width:100%}
 .panel-stat strong{font-size:48px}.feature-content{right:20px;bottom:20px;left:20px}.feature-content h3{font-size:21px}
 .article{grid-template-columns:1fr}.article img{width:100%;height:155px}.article:first-child{padding-top:0}
}