/* roulang page: index */
:root {
      color-scheme: light;
      --ink: #18221e;
      --muted: #66716b;
      --paper: #f7f8f5;
      --white: #fff;
      --line: #e2e7e2;
      --forest: #284f3b;
      --forest-dark: #18372a;
      --lime: #c9ef75;
      --coral: #e8785a;
      --lavender: #e8e6f6;
      --soft-green: #e9f0e8;
      --radius: 8px;
      --shadow: 0 14px 36px rgba(24, 34, 30, .09);
      --container: 1180px;
    }
    *, *::before, *::after { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      background: var(--paper);
      color: var(--ink);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      font-size: 15px;
      line-height: 1.7;
      -webkit-font-smoothing: antialiased;
    }
    a { color: inherit; text-decoration: none; }
    a:hover { color: var(--forest); }
    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, 239, 117, .9);
      outline-offset: 3px;
    }
    .container { width: min(var(--container), calc(100% - 48px)); margin-inline: auto; }
    .site-header {
      position: sticky;
      z-index: 20;
      top: 0;
      border-bottom: 1px solid rgba(226, 231, 226, .9);
      background: rgba(255, 255, 255, .94);
      backdrop-filter: blur(14px);
    }
    .nav-wrap { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 30px; }
    .brand { display: inline-flex; align-items: center; gap: 11px; flex: 0 0 auto; font-weight: 800; font-size: 17px; letter-spacing: 0; }
    .brand-mark {
      display: grid; place-items: center; width: 35px; height: 35px; border-radius: 50%;
      background: var(--forest); color: var(--lime); font-size: 14px;
    }
    .nav-menu { display: flex; align-items: center; gap: 30px; margin-left: auto; }
    .nav-link { position: relative; padding: 26px 0; color: #5e6962; font-size: 14px; transition: color .2s ease; }
    .nav-link:hover, .nav-link.active { color: var(--forest-dark); }
    .nav-link.active::after { position: absolute; right: 0; bottom: 16px; left: 0; height: 2px; background: var(--coral); content: ""; }
    .nav-search { display: flex; align-items: center; width: 200px; height: 40px; padding: 0 12px; border: 1px solid var(--line); border-radius: 5px; background: #f8f9f7; }
    .nav-search span { margin-right: 8px; color: #78837c; font-size: 16px; }
    .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: #89928c; }
    .menu-toggle { display: none; width: 42px; height: 42px; border: 1px solid var(--line); border-radius: 5px; background: var(--white); color: var(--ink); cursor: pointer; }
    main section { padding: 76px 0; }
    .section-head { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: 30px; }
    .section-head h2 { margin: 0; font-size: 30px; line-height: 1.28; letter-spacing: 0; }
    .section-head p { max-width: 540px; margin: 8px 0 0; color: var(--muted); }
    .eyebrow { display: inline-flex; align-items: center; gap: 8px; margin-bottom: 13px; color: var(--forest); font-size: 12px; font-weight: 750; letter-spacing: 1px; }
    .eyebrow::before { width: 18px; height: 2px; background: var(--coral); content: ""; }
    .text-link { display: inline-flex; align-items: center; gap: 8px; color: var(--forest); font-size: 14px; font-weight: 700; white-space: nowrap; }
    .text-link span { transition: transform .2s ease; }
    .text-link:hover span { transform: translateX(4px); }
    .btn {
      display: inline-flex; min-height: 47px; align-items: center; justify-content: center; gap: 10px; padding: 0 19px;
      border: 1px solid transparent; border-radius: 5px; font-weight: 700; transition: transform .2s, background .2s, box-shadow .2s;
    }
    .btn:hover { transform: translateY(-2px); }
    .btn-primary { background: var(--lime); color: #203325; box-shadow: 0 8px 20px rgba(201, 239, 117, .19); }
    .btn-primary:hover { background: #daf69a; color: #203325; box-shadow: 0 10px 24px rgba(201, 239, 117, .27); }
    .btn-light { border-color: rgba(255,255,255,.35); background: rgba(255,255,255,.08); color: #fff; }
    .btn-light:hover { background: rgba(255,255,255,.17); color: #fff; }
    .hero {
      position: relative; overflow: hidden; min-height: 520px; padding: 0;
      background: #203a2d;
      color: #fff;
      isolation: isolate;
    }
    .hero::before {
      position: absolute; z-index: -2; inset: 0;
      background: linear-gradient(90deg, rgba(16, 34, 25, .94) 0%, rgba(22, 43, 32, .82) 45%, rgba(24, 43, 34, .2) 100%),
        url("https://images.unsplash.com/photo-1489599849927-2ee91cede3ba?auto=format&fit=crop&w=2000&q=88") center 46% / cover;
      content: "";
    }
    .hero::after {
      position: absolute; z-index: -1; top: -90px; right: -90px; width: 43%; height: 140%;
      border-left: 1px solid rgba(201,239,117,.27); background: rgba(39, 74, 53, .22);
      transform: skewX(-13deg); content: "";
    }
    .hero-inner { min-height: 520px; display: flex; align-items: center; padding-top: 56px; padding-bottom: 64px; }
    .hero-copy { max-width: 740px; }
    .hero .eyebrow { color: var(--lime); }
    .hero h1 { max-width: 680px; margin: 0 0 17px; font-size: 50px; line-height: 1.13; letter-spacing: 0; }
    .hero-copy > p { max-width: 710px; margin: 0; color: rgba(255,255,255,.83); font-size: 16px; line-height: 1.9; }
    .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 27px; }
    .invite-strip { display: flex; align-items: center; gap: 15px; max-width: 475px; margin-top: 28px; padding-top: 17px; border-top: 1px solid rgba(255,255,255,.24); }
    .invite-strip strong { flex: 0 0 auto; color: var(--lime); font-size: 13px; }
    .progress-track { overflow: hidden; height: 5px; flex: 1; border-radius: 5px; background: rgba(255,255,255,.25); }
    .progress-fill { width: 68%; height: 100%; border-radius: inherit; background: var(--lime); }
    .invite-strip small { color: rgba(255,255,255,.72); white-space: nowrap; }
    .ticker { border-bottom: 1px solid var(--line); background: var(--white); }
    .ticker-inner { min-height: 58px; display: flex; align-items: center; gap: 17px; }
    .ticker-label { padding: 4px 9px; border-radius: 3px; background: var(--coral); color: white; font-size: 11px; font-weight: 800; }
    .ticker p { overflow: hidden; margin: 0; color: #526058; font-size: 13px; text-overflow: ellipsis; white-space: nowrap; }
    .ticker time { margin-left: auto; color: #859088; font-size: 12px; white-space: nowrap; }
    .pain-section { background: #f0f2ee; }
    .pain-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 52px; align-items: center; }
    .pain-copy h2 { max-width: 440px; margin: 0 0 15px; font-size: 31px; line-height: 1.35; }
    .pain-copy p { margin: 0; color: var(--muted); }
    .pain-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
    .pain-item { display: flex; align-items: flex-start; gap: 12px; min-height: 95px; padding: 17px; border: 1px solid #e1e6df; border-radius: 5px; background: rgba(255,255,255,.73); }
    .pain-icon { display: grid; flex: 0 0 29px; width: 29px; height: 29px; place-items: center; border-radius: 50%; background: #f9e6df; color: #b75036; font-weight: 800; }
    .pain-item strong { display: block; margin: 0 0 3px; font-size: 14px; }
    .pain-item span:last-child { color: var(--muted); font-size: 12px; line-height: 1.6; }
    .solution-section { background: var(--white); }
    .solution-layout { display: grid; grid-template-columns: 1.1fr .9fr; gap: 55px; align-items: center; }
    .solution-visual { position: relative; overflow: hidden; min-height: 320px; border-radius: 7px; background: var(--forest-dark); }
    .solution-visual img { width: 100%; height: 320px; object-fit: cover; opacity: .78; }
    .visual-caption { position: absolute; right: 18px; bottom: 18px; left: 18px; display: flex; align-items: end; justify-content: space-between; color: #fff; }
    .visual-caption strong { max-width: 270px; font-size: 20px; line-height: 1.4; }
    .visual-caption span { padding: 5px 9px; border: 1px solid rgba(255,255,255,.5); border-radius: 3px; font-size: 11px; }
    .solution-copy h2 { margin: 0 0 12px; font-size: 30px; line-height: 1.35; }
    .solution-copy > p { margin: 0 0 22px; color: var(--muted); }
    .solution-points { display: grid; gap: 15px; }
    .solution-point { display: grid; grid-template-columns: 38px 1fr; gap: 12px; align-items: start; }
    .point-number { display: grid; width: 34px; height: 34px; place-items: center; border-radius: 50%; background: var(--soft-green); color: var(--forest); font-size: 12px; font-weight: 800; }
    .solution-point strong { display: block; font-size: 14px; }
    .solution-point p { margin: 2px 0 0; color: var(--muted); font-size: 13px; }
    .scene-section { background: #e9eee8; }
    .scene-grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: 16px; }
    .scene-feature { position: relative; overflow: hidden; min-height: 330px; border-radius: 6px; background: #263e31; }
    .scene-feature img { width: 100%; height: 100%; min-height: 330px; object-fit: cover; transition: transform .5s ease; }
    .scene-feature:hover img, .poster:hover img { transform: scale(1.04); }
    .scene-feature::after { position: absolute; inset: 35% 0 0; background: linear-gradient(transparent, rgba(13, 28, 20, .82)); content: ""; }
    .scene-feature-copy { position: absolute; z-index: 1; right: 25px; bottom: 23px; left: 25px; color: white; }
    .scene-feature-copy span { color: var(--lime); font-size: 12px; font-weight: 800; }
    .scene-feature-copy h3 { margin: 4px 0 3px; font-size: 23px; }
    .scene-feature-copy p { max-width: 500px; margin: 0; color: rgba(255,255,255,.82); font-size: 13px; }
    .scene-side { display: grid; gap: 16px; }
    .scene-mini { position: relative; overflow: hidden; min-height: 157px; border-radius: 6px; background: #344b3c; }
    .scene-mini img { width: 100%; height: 100%; min-height: 157px; object-fit: cover; transition: transform .5s ease; }
    .scene-mini::after { position: absolute; inset: 30% 0 0; background: linear-gradient(transparent, rgba(13,28,20,.84)); content: ""; }
    .scene-mini span { position: absolute; z-index: 1; right: 16px; bottom: 13px; left: 16px; color: #fff; font-size: 14px; font-weight: 700; }
    .trust-section { background: var(--white); }
    .trust-band { display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid var(--line); border-radius: 6px; background: #fbfcfa; }
    .trust-stat { padding: 24px 22px; border-right: 1px solid var(--line); }
    .trust-stat:last-child { border-right: 0; }
    .trust-stat strong { display: block; color: var(--forest); font-size: 26px; line-height: 1.2; }
    .trust-stat span { display: block; margin-top: 6px; color: var(--muted); font-size: 12px; }
    .trust-note { margin: 16px 0 0; color: #818a84; font-size: 12px; }
    .genre-section { background: #f3f4f1; }
    .genre-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
    .genre-item { position: relative; display: flex; min-height: 116px; flex-direction: column; justify-content: space-between; overflow: hidden; padding: 17px; border: 1px solid var(--line); border-radius: 5px; background: var(--white); transition: transform .2s, box-shadow .2s; }
    .genre-item:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
    .genre-item strong { font-size: 16px; }
    .genre-item span { color: var(--muted); font-size: 12px; }
    .genre-item i { position: absolute; right: 14px; bottom: 9px; color: #d5ddd5; font-size: 31px; font-style: normal; font-weight: 800; }
    .recommend-section { background: #fff; }
    .recommend-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
    .title-card { overflow: hidden; border: 1px solid var(--line); border-radius: 5px; background: var(--white); transition: transform .2s, box-shadow .2s; }
    .title-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
    .poster { position: relative; overflow: hidden; aspect-ratio: 4 / 3; background: #dce4db; }
    .poster img { width: 100%; height: 100%; object-fit: cover; transition: transform .45s ease; }
    .poster-tag { position: absolute; top: 11px; left: 11px; padding: 4px 7px; border-radius: 3px; background: var(--lime); color: #293c2e; font-size: 10px; font-weight: 800; }
    .title-info { padding: 14px 14px 15px; }
    .title-info h3 { overflow: hidden; margin: 0 0 5px; font-size: 15px; text-overflow: ellipsis; white-space: nowrap; }
    .title-info p { min-height: 42px; margin: 0; color: var(--muted); font-size: 12px; line-height: 1.7; }
    .title-meta { display: flex; justify-content: space-between; margin-top: 10px; padding-top: 9px; border-top: 1px solid #edf0ec; color: #879089; font-size: 11px; }
    .editor-section { background: #e9eee8; }
    .editor-layout { display: grid; grid-template-columns: .9fr 1.1fr; gap: 45px; align-items: center; }
    .editor-copy h2 { margin: 0 0 12px; font-size: 30px; line-height: 1.35; }
    .editor-copy p { margin: 0 0 19px; color: var(--muted); }
    .editor-tags { display: flex; flex-wrap: wrap; gap: 8px; }
    .editor-tags span { padding: 6px 10px; border: 1px solid #d4ddd3; border-radius: 3px; background: rgba(255,255,255,.55); color: #526058; font-size: 12px; }
    .editor-list { border-top: 1px solid #d2dcd2; }
    .editor-row { display: grid; grid-template-columns: 38px 1fr auto; align-items: center; gap: 14px; padding: 15px 0; border-bottom: 1px solid #d2dcd2; }
    .editor-row b { color: #93a198; font-size: 17px; }
    .editor-row strong { display: block; font-size: 14px; }
    .editor-row span { color: var(--muted); font-size: 12px; }
    .editor-row em { color: var(--forest); font-size: 11px; font-style: normal; font-weight: 700; }
    .feature-section { background: var(--white); }
    .feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
    .feature-item { display: flex; gap: 14px; min-height: 133px; padding: 20px; border-left: 3px solid var(--forest); background: #f6f8f5; }
    .feature-mark { display: grid; flex: 0 0 36px; width: 36px; height: 36px; place-items: center; border-radius: 50%; background: #e4eee3; color: var(--forest); font-weight: 800; }
    .feature-item h3 { margin: 0 0 5px; font-size: 15px; }
    .feature-item p { margin: 0; color: var(--muted); font-size: 12px; }
    .content-section { background: #f4f5f2; }
    .content-layout { display: grid; grid-template-columns: 1fr 330px; gap: 46px; }
    .news-list { border-top: 1px solid var(--line); }
    .news-item { display: grid; grid-template-columns: 102px 1fr; gap: 19px; padding: 18px 0; border-bottom: 1px solid var(--line); }
    .news-date { display: flex; flex-direction: column; justify-content: center; color: #8a948d; font-size: 11px; }
    .news-date strong { color: var(--forest); font-size: 20px; line-height: 1.25; }
    .news-item h3 { margin: 0 0 5px; font-size: 15px; }
    .news-item p { margin: 0; color: var(--muted); font-size: 12px; }
    .content-aside { padding: 22px; border-radius: 5px; background: var(--forest-dark); color: white; }
    .content-aside .eyebrow { color: var(--lime); }
    .content-aside h3 { margin: 0 0 10px; font-size: 20px; }
    .content-aside p { margin: 0; color: rgba(255,255,255,.74); font-size: 13px; }
    .aside-rule { height: 1px; margin: 20px 0; background: rgba(255,255,255,.2); }
    .content-aside strong { color: var(--lime); font-size: 13px; }
    .content-aside small { display: block; margin-top: 5px; color: rgba(255,255,255,.68); font-size: 11px; }
    .story-section { background: #fff; }
    .story-panel { display: grid; grid-template-columns: .8fr 1.2fr; overflow: hidden; border-radius: 6px; background: var(--lavender); }
    .story-art { min-height: 280px; background: url("https://images.unsplash.com/photo-1517604931442-7e0c8ed2963c?auto=format&fit=crop&w=1000&q=82") center / cover; }
    .story-copy { align-self: center; padding: 35px 42px; }
    .story-copy .eyebrow { color: #5c537e; }
    .story-copy h2 { margin: 0 0 12px; font-size: 25px; line-height: 1.35; }
    .story-copy p { margin: 0; color: #59596a; }
    .story-credit { display: block; margin-top: 17px; color: #777589; font-size: 12px; }
    .access-section { background: #e9eee8; }
    .access-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; }
    .access-layout h2 { margin: 0 0 12px; font-size: 29px; line-height: 1.35; }
    .access-layout p { margin: 0; color: var(--muted); }
    .access-points { display: grid; grid-template-columns: repeat(2, 1fr); gap: 11px; }
    .access-point { padding: 15px; border: 1px solid #d5dfd4; border-radius: 4px; background: rgba(255,255,255,.62); }
    .access-point strong { display: block; margin-bottom: 3px; font-size: 14px; }
    .access-point span { color: var(--muted); font-size: 11px; }
    .plans-section { background: var(--white); }
    .plan-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
    .plan-card { padding: 22px; border: 1px solid var(--line); border-radius: 5px; background: #fbfcfa; }
    .plan-card.featured { border-color: var(--forest); background: var(--soft-green); }
    .plan-label { display: inline-block; margin-bottom: 10px; padding: 4px 7px; border-radius: 3px; background: #e8ece7; color: #59655e; font-size: 10px; font-weight: 800; }
    .plan-card.featured .plan-label { background: var(--forest); color: white; }
    .plan-card h3 { margin: 0 0 7px; font-size: 17px; }
    .plan-card p { min-height: 44px; margin: 0; color: var(--muted); font-size: 12px; }
    .plan-bottom { display: flex; align-items: center; justify-content: space-between; margin-top: 17px; padding-top: 12px; border-top: 1px solid rgba(120,140,125,.2); }
    .plan-bottom strong { color: var(--forest); font-size: 14px; }
    .plan-bottom span { color: #7b867f; font-size: 11px; }
    .promise-section { padding: 28px 0; background: #263f32; color: white; }
    .promise-inner { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
    .promise-item { display: flex; align-items: center; gap: 11px; }
    .promise-check { display: grid; flex: 0 0 29px; width: 29px; height: 29px; place-items: center; border: 1px solid rgba(201,239,117,.58); border-radius: 50%; color: var(--lime); font-weight: 800; }
    .promise-item strong { display: block; font-size: 12px; }
    .promise-item span { display: block; color: rgba(255,255,255,.64); font-size: 10px; }
    .subscribe-section { padding: 64px 0; background: #f3f4f1; }
    .subscribe-panel { display: flex; align-items: center; justify-content: space-between; gap: 35px; padding: 28px 32px; border: 1px solid var(--line); border-radius: 6px; background: white; }
    .subscribe-panel h2 { margin: 0 0 5px; font-size: 23px; }
    .subscribe-panel p { margin: 0; color: var(--muted); font-size: 13px; }
    .subscribe-form { display: flex; width: min(100%, 420px); gap: 8px; }
    .subscribe-form input { min-width: 0; height: 46px; flex: 1; padding: 0 12px; border: 1px solid var(--line); border-radius: 4px; background: #fbfcfa; color: var(--ink); }
    .subscribe-form button { height: 46px; padding: 0 16px; border: 0; border-radius: 4px; background: var(--forest); color: white; font-weight: 700; cursor: pointer; transition: background .2s; }
    .subscribe-form button:hover { background: var(--forest-dark); }
    .form-note { display: none; margin-top: 8px; color: var(--forest); font-size: 12px; }
    .site-footer { padding: 42px 0 23px; background: #17231c; color: white; }
    .footer-main { display: flex; align-items: flex-start; justify-content: space-between; gap: 32px; padding-bottom: 29px; }
    .footer-brand p { max-width: 390px; margin: 13px 0 0; color: rgba(255,255,255,.62); font-size: 12px; }
    .footer-nav { display: flex; flex-wrap: wrap; gap: 24px; color: rgba(255,255,255,.74); font-size: 12px; }
    .footer-nav a:hover { color: var(--lime); }
    .footer-bottom { display: flex; justify-content: space-between; gap: 20px; padding-top: 17px; border-top: 1px solid rgba(255,255,255,.14); color: rgba(255,255,255,.48); font-size: 11px; }
    @media (max-width: 1024px) {
      .nav-menu { gap: 20px; }
      .nav-search { width: 170px; }
      .hero h1 { font-size: 44px; }
      .recommend-grid { grid-template-columns: repeat(2, 1fr); }
      .content-layout { grid-template-columns: 1fr 280px; gap: 28px; }
      .pain-grid, .solution-layout { gap: 34px; }
    }
    @media (max-width: 768px) {
      .container { width: min(100% - 36px, var(--container)); }
      .nav-wrap { min-height: 66px; }
      .menu-toggle { display: grid; place-items: center; margin-left: auto; }
      .nav-menu {
        position: absolute; top: 65px; right: 0; left: 0; display: none; align-items: stretch; gap: 0;
        padding: 7px 18px 16px; border-bottom: 1px solid var(--line); background: white; box-shadow: 0 12px 18px rgba(24,34,30,.07);
      }
      .nav-menu.is-open { display: flex; flex-direction: column; }
      .nav-link { padding: 12px 4px; }
      .nav-link.active::after { right: auto; bottom: 7px; width: 28px; }
      .nav-search { width: 100%; margin-top: 10px; }
      main section { padding: 59px 0; }
      .hero, .hero-inner { min-height: 485px; }
      .hero-inner { padding-top: 46px; padding-bottom: 48px; }
      .hero h1 { font-size: 39px; }
      .hero-copy > p { font-size: 14px; }
      .section-head { align-items: flex-start; }
      .section-head h2 { font-size: 26px; }
      .pain-grid, .solution-layout, .editor-layout, .access-layout { grid-template-columns: 1fr; }
      .pain-list { margin-top: 3px; }
      .scene-grid { grid-template-columns: 1fr; }
      .scene-feature, .scene-feature img { min-height: 280px; }
      .scene-side { grid-template-columns: repeat(2, 1fr); }
      .scene-mini, .scene-mini img { min-height: 145px; }
      .trust-band { grid-template-columns: repeat(2, 1fr); }
      .trust-stat:nth-child(2) { border-right: 0; }
      .trust-stat:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
      .genre-grid { grid-template-columns: repeat(2, 1fr); }
      .content-layout { grid-template-columns: 1fr; }
      .content-aside { display: grid; grid-template-columns: 1fr 1fr; gap: 8px 22px; }
      .content-aside .eyebrow, .content-aside h3, .content-aside p { grid-column: 1 / -1; }
      .aside-rule { display: none; }
      .story-panel { grid-template-columns: .75fr 1.25fr; }
      .story-copy { padding: 25px; }
      .story-copy h2 { font-size: 21px; }
      .promise-inner { grid-template-columns: repeat(2, 1fr); row-gap: 18px; }
      .subscribe-panel { align-items: stretch; flex-direction: column; gap: 19px; }
      .subscribe-form { width: 100%; }
      .footer-main { flex-direction: column; }
    }
    @media (max-width: 520px) {
      .container { width: calc(100% - 32px); }
      .brand { gap: 8px; font-size: 15px; }
      .brand-mark { width: 32px; height: 32px; }
      .hero, .hero-inner { min-height: 500px; }
      .hero::before { background-position: 58% center; }
      .hero h1 { font-size: 34px; }
      .hero-copy > p { font-size: 13px; line-height: 1.85; }
      .hero-actions .btn { min-height: 43px; padding-inline: 13px; font-size: 13px; }
      .invite-strip { gap: 9px; }
      .invite-strip strong, .invite-strip small { font-size: 10px; }
      .ticker-inner { gap: 9px; }
      .ticker p { font-size: 11px; }
      .ticker time { display: none; }
      main section { padding: 49px 0; }
      .section-head { flex-direction: column; gap: 12px; margin-bottom: 23px; }
      .section-head h2 { font-size: 24px; }
      .section-head p { font-size: 13px; }
      .pain-copy h2, .solution-copy h2, .editor-copy h2, .access-layout h2 { font-size: 25px; }
      .pain-list { grid-template-columns: 1fr; }
      .pain-item { min-height: auto; }
      .solution-visual, .solution-visual img { min-height: 245px; height: 245px; }
      .scene-feature, .scene-feature img { min-height: 250px; }
      .scene-side { gap: 9px; }
      .scene-mini, .scene-mini img { min-height: 122px; }
      .scene-mini span { right: 10px; bottom: 9px; left: 10px; font-size: 12px; }
      .trust-stat { padding: 18px 13px; }
      .trust-stat strong { font-size: 22px; }
      .genre-grid { gap: 9px; }
      .genre-item { min-height: 100px; padding: 13px; }
      .genre-item strong { font-size: 14px; }
      .recommend-grid { gap: 10px; }
      .poster { aspect-ratio: 1 / 1; }
      .title-info { padding: 11px; }
      .title-info h3 { font-size: 13px; }
      .title-info p { font-size: 11px; }
      .title-meta { font-size: 10px; }
      .feature-grid { grid-template-columns: 1fr; }
      .feature-item { min-height: auto; padding: 15px; }
      .news-item { grid-template-columns: 65px 1fr; gap: 12px; }
      .news-item h3 { font-size: 13px; }
      .news-item p { font-size: 11px; }
      .content-aside { display: block; }
      .content-aside .eyebrow, .content-aside h3, .content-aside p { grid-column: auto; }
      .aside-rule { display: block; }
      .story-panel { grid-template-columns: 1fr; }
      .story-art { min-height: 175px; }
      .story-copy { padding: 23px; }
      .story-copy h2 { font-size: 20px; }
      .access-points { gap: 8px; }
      .access-point { padding: 12px; }
      .plan-grid { grid-template-columns: 1fr; }
      .plan-card p { min-height: auto; }
      .promise-inner { gap: 14px 10px; }
      .promise-item { gap: 8px; }
      .promise-item strong { font-size: 11px; }
      .promise-item span { font-size: 9px; }
      .subscribe-panel { padding: 22px 18px; }
      .subscribe-panel h2 { font-size: 20px; }
      .subscribe-form { flex-direction: column; }
      .subscribe-form button { width: 100%; }
      .footer-nav { gap: 15px; }
      .footer-bottom { flex-direction: column; gap: 6px; }
    }
    @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: #18221e;
      --muted: #66716b;
      --paper: #f7f8f5;
      --white: #fff;
      --line: #e2e7e2;
      --forest: #284f3b;
      --forest-dark: #18372a;
      --lime: #c9ef75;
      --coral: #e8785a;
      --lavender: #e8e6f6;
      --soft-green: #e9f0e8;
      --radius: 8px;
      --shadow: 0 14px 36px rgba(24, 34, 30, .09);
      --container: 1180px;
    }
    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      background: var(--paper);
      color: var(--ink);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      font-size: 15px;
      line-height: 1.7;
      -webkit-font-smoothing: antialiased;
    }
    a { color: inherit; text-decoration: none; }
    a:hover { color: var(--forest); }
    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, 239, 117, .9);
      outline-offset: 3px;
    }
    .container { width: min(var(--container), calc(100% - 48px)); margin-inline: auto; }
    .site-header {
      position: sticky;
      z-index: 20;
      top: 0;
      border-bottom: 1px solid rgba(226, 231, 226, .9);
      background: rgba(255, 255, 255, .94);
      backdrop-filter: blur(14px);
    }
    .nav-wrap { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 30px; }
    .brand { display: inline-flex; align-items: center; gap: 11px; flex: 0 0 auto; font-weight: 800; font-size: 17px; letter-spacing: 0; }
    .brand-mark {
      display: grid;
      place-items: center;
      width: 35px;
      height: 35px;
      border-radius: 50%;
      background: var(--forest);
      color: var(--lime);
      font-size: 14px;
    }
    .nav-menu { display: flex; align-items: center; gap: 30px; margin-left: auto; }
    .nav-link { position: relative; padding: 26px 0; color: #5e6962; font-size: 14px; transition: color .2s ease; }
    .nav-link:hover, .nav-link.active { color: var(--forest-dark); }
    .nav-link.active::after { position: absolute; right: 0; bottom: 16px; left: 0; height: 2px; background: var(--coral); content: ""; }
    .nav-search { display: flex; align-items: center; width: 200px; height: 40px; padding: 0 12px; border: 1px solid var(--line); border-radius: 5px; background: #f8f9f7; }
    .nav-search span { margin-right: 8px; color: #78837c; font-size: 16px; }
    .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: #89928c; }
    .menu-toggle {
      display: none;
      width: 42px;
      height: 42px;
      border: 1px solid var(--line);
      border-radius: 5px;
      background: var(--white);
      color: var(--ink);
      cursor: pointer;
    }
    main section { padding: 76px 0; }
    .section-head { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: 30px; }
    .section-head h2 { margin: 0; font-size: 30px; line-height: 1.28; letter-spacing: 0; }
    .section-head p { max-width: 540px; margin: 8px 0 0; color: var(--muted); }
    .eyebrow { display: inline-flex; align-items: center; gap: 8px; margin-bottom: 13px; color: var(--forest); font-size: 12px; font-weight: 750; letter-spacing: 1px; }
    .eyebrow::before { width: 18px; height: 2px; background: var(--coral); content: ""; }
    .text-link { display: inline-flex; align-items: center; gap: 8px; color: var(--forest); font-size: 14px; font-weight: 700; white-space: nowrap; }
    .text-link span { transition: transform .2s ease; }
    .text-link:hover span { transform: translateX(4px); }
    .btn {
      display: inline-flex;
      min-height: 47px;
      align-items: center;
      justify-content: center;
      gap: 10px;
      padding: 0 19px;
      border: 1px solid transparent;
      border-radius: 5px;
      font-weight: 700;
      transition: transform .2s, background .2s, box-shadow .2s;
    }
    .btn:hover { transform: translateY(-2px); }
    .btn-primary { background: var(--lime); color: #203325; box-shadow: 0 8px 20px rgba(201, 239, 117, .19); }
    .btn-primary:hover { background: #daf69a; color: #203325; box-shadow: 0 10px 24px rgba(201, 239, 117, .27); }
    .btn-light { border-color: rgba(255,255,255,.35); background: rgba(255,255,255,.08); color: #fff; }
    .btn-light:hover { background: rgba(255,255,255,.17); color: #fff; }
    .hero {
      position: relative;
      overflow: hidden;
      min-height: 482px;
      padding: 0;
      background: #203a2d;
      color: #fff;
      isolation: isolate;
    }
    .hero::before {
      position: absolute;
      z-index: -2;
      inset: 0;
      background:
        linear-gradient(90deg, rgba(16, 34, 25, .94) 0%, rgba(22, 43, 32, .82) 45%, rgba(24, 43, 34, .2) 100%),
        url("https://images.unsplash.com/photo-1489599849927-2ee91cede3ba?auto=format&fit=crop&w=2000&q=88") center 46% / cover;
      content: "";
    }
    .hero::after {
      position: absolute;
      z-index: -1;
      top: -90px;
      right: -90px;
      width: 43%;
      height: 140%;
      border-left: 1px solid rgba(201,239,117,.27);
      background: rgba(39, 74, 53, .22);
      transform: skewX(-13deg);
      content: "";
    }
    .hero-inner { min-height: 482px; display: flex; align-items: center; padding-top: 52px; padding-bottom: 60px; }
    .hero-copy { max-width: 760px; }
    .hero .eyebrow { color: var(--lime); }
    .hero h1 { max-width: 720px; margin: 0 0 17px; font-size: 48px; line-height: 1.16; letter-spacing: 0; }
    .hero-copy > p { max-width: 700px; margin: 0; color: rgba(255,255,255,.84); font-size: 16px; line-height: 1.9; }
    .hero-perks { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 21px; }
    .perk { padding: 6px 11px; border: 1px solid rgba(255,255,255,.24); border-radius: 4px; background: rgba(255,255,255,.08); color: #f4f7ef; font-size: 12px; }
    .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 25px; }
    .intro-section { background: var(--white); }
    .intro-layout { display: grid; grid-template-columns: .8fr 1.2fr; gap: 64px; align-items: start; }
    .intro-title h2 { max-width: 400px; margin: 0; font-size: 32px; line-height: 1.35; }
    .intro-copy { padding-top: 4px; color: var(--muted); font-size: 15px; }
    .intro-copy p { margin: 0 0 14px; }
    .intro-copy p:last-child { margin-bottom: 0; }
    .genre-section { background: #f0f2ee; }
    .genre-layout { display: grid; grid-template-columns: 1fr 1.35fr; gap: 52px; align-items: center; }
    .genre-note { max-width: 420px; color: var(--muted); }
    .genre-note h2 { margin: 0 0 12px; color: var(--ink); font-size: 30px; line-height: 1.35; }
    .genre-list { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 10px; }
    .genre-item {
      min-height: 68px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 10px;
      padding: 14px 15px;
      border: 1px solid #dfe5dd;
      border-radius: 5px;
      background: rgba(255,255,255,.8);
      transition: border-color .2s, transform .2s, box-shadow .2s;
    }
    .genre-item:hover { transform: translateY(-2px); border-color: #a7bba7; box-shadow: 0 8px 20px rgba(24,34,30,.06); }
    .genre-item strong { font-size: 14px; }
    .genre-item span { color: var(--coral); font-size: 17px; }
    .feature-section { background: var(--white); }
    .feature-layout { display: grid; grid-template-columns: 1.05fr .95fr; gap: 54px; align-items: center; }
    .feature-photo { position: relative; overflow: hidden; min-height: 340px; border-radius: 6px; background: #253b30; }
    .feature-photo img { width: 100%; height: 340px; object-fit: cover; }
    .photo-caption { position: absolute; right: 16px; bottom: 16px; left: 16px; display: flex; justify-content: space-between; gap: 12px; color: white; font-size: 12px; text-shadow: 0 1px 8px #111; }
    .feature-copy h2 { margin: 0 0 13px; font-size: 30px; line-height: 1.34; }
    .feature-copy p { margin: 0 0 17px; color: var(--muted); }
    .feature-points { display: grid; gap: 12px; margin: 22px 0 0; padding: 0; list-style: none; }
    .feature-points li { display: flex; gap: 12px; align-items: flex-start; padding-top: 12px; border-top: 1px solid var(--line); }
    .feature-points b { color: var(--forest); font-size: 13px; white-space: nowrap; }
    .feature-points span { color: var(--muted); font-size: 13px; }
    .editorial-section { background: #e9eee8; }
    .editorial-grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: 16px; }
    .editorial-lead {
      min-height: 286px;
      display: flex;
      flex-direction: column;
      justify-content: end;
      padding: 28px;
      border-radius: 6px;
      color: white;
      background: linear-gradient(0deg, rgba(13,34,23,.9), rgba(13,34,23,.03)), url("https://images.unsplash.com/photo-1518837695005-2083093ee35b?auto=format&fit=crop&w=1200&q=85") center / cover;
    }
    .editorial-lead .tag { align-self: flex-start; margin-bottom: 12px; }
    .editorial-lead h3 { max-width: 460px; margin: 0 0 8px; font-size: 25px; line-height: 1.35; }
    .editorial-lead p { max-width: 500px; margin: 0; color: rgba(255,255,255,.8); font-size: 13px; }
    .editorial-side { display: grid; gap: 12px; }
    .editorial-item { display: flex; flex-direction: column; justify-content: center; min-height: 137px; padding: 20px; border: 1px solid #dce4db; border-radius: 5px; background: rgba(255,255,255,.8); }
    .editorial-item h3 { margin: 8px 0 4px; font-size: 17px; }
    .editorial-item p { margin: 0; color: var(--muted); font-size: 13px; }
    .tag { display: inline-flex; align-items: center; width: fit-content; padding: 4px 8px; border-radius: 3px; background: var(--soft-green); color: var(--forest); font-size: 11px; font-weight: 700; }
    .tag.coral { background: #fae8e2; color: #9c4934; }
    .quality-section { background: var(--forest-dark); color: white; }
    .quality-section .eyebrow { color: var(--lime); }
    .quality-section .section-head p { color: rgba(255,255,255,.7); }
    .quality-layout { display: grid; grid-template-columns: .78fr 1.22fr; gap: 56px; align-items: center; }
    .quality-copy h2 { margin: 0 0 14px; font-size: 30px; line-height: 1.35; }
    .quality-copy p { margin: 0; color: rgba(255,255,255,.72); }
    .quality-stats { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid rgba(255,255,255,.24); border-bottom: 1px solid rgba(255,255,255,.24); }
    .quality-stat { min-height: 124px; padding: 24px 18px; border-right: 1px solid rgba(255,255,255,.2); }
    .quality-stat:last-child { border-right: 0; }
    .quality-stat strong { display: block; margin-bottom: 7px; color: var(--lime); font-size: 19px; }
    .quality-stat span { color: rgba(255,255,255,.7); font-size: 12px; }
    .catalog-section { background: var(--white); }
    .catalog-heading { display: flex; align-items: end; justify-content: space-between; gap: 24px; padding-bottom: 18px; border-bottom: 1px solid var(--line); }
    .catalog-heading h2 { margin: 0; font-size: 30px; line-height: 1.35; }
    .catalog-heading p { max-width: 520px; margin: 8px 0 0; color: var(--muted); }
    .catalog-list { display: grid; grid-template-columns: 1fr 1fr; gap: 0 40px; }
    .catalog-row { display: grid; grid-template-columns: 42px 1fr auto; gap: 14px; align-items: center; min-height: 100px; border-bottom: 1px solid var(--line); }
    .catalog-index { color: #a3ada5; font-size: 13px; font-variant-numeric: tabular-nums; }
    .catalog-info h3 { margin: 0 0 3px; font-size: 16px; }
    .catalog-info p { margin: 0; color: var(--muted); font-size: 12px; }
    .catalog-meta { color: var(--forest); font-size: 12px; font-weight: 700; white-space: nowrap; }
    .catalog-footer { display: flex; justify-content: flex-end; padding-top: 22px; }
    .collection-section { background: #f0f2ee; }
    .collection-layout { display: grid; grid-template-columns: .9fr 1.1fr; gap: 52px; align-items: start; }
    .collection-copy h2 { margin: 0 0 12px; font-size: 30px; line-height: 1.35; }
    .collection-copy p { margin: 0; color: var(--muted); }
    .collection-stack { display: grid; gap: 10px; }
    .collection-item { display: grid; grid-template-columns: 56px 1fr auto; gap: 16px; align-items: center; padding: 15px 17px; border: 1px solid #dfe5dd; border-radius: 5px; background: rgba(255,255,255,.78); }
    .collection-symbol { display: grid; place-items: center; width: 48px; height: 48px; border-radius: 5px; background: var(--lavender); color: var(--forest-dark); font-size: 18px; font-weight: 800; }
    .collection-item:nth-child(2) .collection-symbol { background: #fae8e2; color: #9c4934; }
    .collection-item:nth-child(3) .collection-symbol { background: #e4edd8; color: var(--forest); }
    .collection-item h3 { margin: 0 0 3px; font-size: 15px; }
    .collection-item p { margin: 0; color: var(--muted); font-size: 12px; }
    .collection-item > span:last-child { color: var(--coral); font-size: 18px; }
    .quote-section { background: var(--white); }
    .quote-layout { display: grid; grid-template-columns: .72fr 1.28fr; gap: 58px; align-items: center; }
    .quote-heading h2 { margin: 0; font-size: 29px; line-height: 1.35; }
    .quote-heading p { margin: 11px 0 0; color: var(--muted); }
    .quote-panel { padding: 27px 30px; border-left: 3px solid var(--coral); background: #f6f7f4; }
    .quote-panel blockquote { margin: 0; color: #354139; font-size: 18px; line-height: 1.8; }
    .quote-source { display: flex; justify-content: space-between; gap: 12px; margin-top: 15px; color: var(--muted); font-size: 12px; }
    .related-section { background: #e9eee8; }
    .related-layout { display: grid; grid-template-columns: 1fr .72fr; gap: 50px; align-items: center; }
    .related-copy h2 { margin: 0 0 11px; font-size: 30px; line-height: 1.35; }
    .related-copy p { max-width: 580px; margin: 0; color: var(--muted); }
    .related-links { display: grid; gap: 9px; }
    .related-link { display: flex; align-items: center; justify-content: space-between; gap: 15px; padding: 12px 15px; border-bottom: 1px solid #d5ded4; font-weight: 700; transition: color .2s, padding .2s; }
    .related-link:hover { padding-left: 19px; color: var(--forest); }
    .related-link span { color: var(--coral); }
    .cta-section { padding: 52px 0; background: var(--forest); color: white; }
    .cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 28px; }
    .cta-inner h2 { margin: 0 0 6px; font-size: 25px; }
    .cta-inner p { margin: 0; color: rgba(255,255,255,.75); }
    .site-footer { padding: 52px 0 22px; background: #18251e; color: white; }
    .footer-main { display: flex; justify-content: space-between; gap: 48px; padding-bottom: 35px; }
    .footer-brand { max-width: 440px; }
    .footer-brand .brand { color: white; }
    .footer-brand p { margin: 15px 0 0; color: rgba(255,255,255,.64); font-size: 13px; }
    .footer-nav { display: flex; flex-wrap: wrap; align-content: flex-start; gap: 13px 28px; padding-top: 8px; }
    .footer-nav a { color: rgba(255,255,255,.75); font-size: 13px; transition: color .2s; }
    .footer-nav a:hover { color: var(--lime); }
    .footer-bottom { display: flex; justify-content: space-between; gap: 18px; padding-top: 18px; border-top: 1px solid rgba(255,255,255,.16); color: rgba(255,255,255,.52); font-size: 11px; }
    @media (max-width: 1024px) {
      .nav-menu { gap: 21px; }
      .nav-search { width: 176px; }
      .intro-layout, .genre-layout, .feature-layout, .quality-layout, .collection-layout, .quote-layout { gap: 34px; }
      .related-layout { gap: 32px; }
      .hero h1 { font-size: 43px; }
    }
    @media (max-width: 768px) {
      .container { width: min(var(--container), calc(100% - 36px)); }
      .nav-wrap { min-height: 68px; gap: 14px; }
      .brand { font-size: 15px; }
      .menu-toggle { display: grid; place-items: center; flex: 0 0 auto; }
      .nav-menu {
        position: absolute;
        top: calc(100% + 1px);
        right: 0;
        left: 0;
        display: none;
        align-items: stretch;
        gap: 0;
        margin: 0;
        padding: 8px 18px 18px;
        border-bottom: 1px solid var(--line);
        background: var(--white);
        box-shadow: 0 12px 24px rgba(24,34,30,.08);
      }
      .nav-menu.is-open { display: flex; flex-direction: column; }
      .nav-link { padding: 12px 2px; }
      .nav-link.active::after { right: auto; bottom: 6px; width: 32px; }
      .nav-search { width: 100%; margin-top: 8px; }
      main section { padding: 58px 0; }
      .hero, .hero-inner { min-height: 450px; }
      .hero h1 { font-size: 38px; }
      .intro-layout, .genre-layout, .feature-layout, .quality-layout, .collection-layout, .quote-layout, .related-layout { grid-template-columns: 1fr; gap: 27px; }
      .intro-title h2 { max-width: 600px; }
      .genre-list { grid-template-columns: repeat(2, minmax(0,1fr)); }
      .feature-photo, .feature-photo img { min-height: 280px; height: 280px; }
      .quality-stats { margin-top: 4px; }
      .editorial-grid { grid-template-columns: 1fr; }
      .editorial-lead { min-height: 260px; }
      .editorial-side { grid-template-columns: 1fr 1fr; }
      .catalog-list { grid-template-columns: 1fr; }
      .catalog-heading, .section-head { align-items: flex-start; flex-direction: column; }
      .quote-panel { padding: 22px; }
      .cta-inner { align-items: flex-start; flex-direction: column; }
      .footer-main { flex-direction: column; gap: 26px; }
    }
    @media (max-width: 520px) {
      .container { width: calc(100% - 32px); }
      .brand { gap: 8px; font-size: 14px; }
      .brand-mark { width: 32px; height: 32px; }
      main section { padding: 48px 0; }
      .hero, .hero-inner { min-height: 470px; }
      .hero::before { background-position: 57% center; }
      .hero h1 { font-size: 33px; }
      .hero-copy > p { font-size: 14px; }
      .hero-actions .btn { width: 100%; }
      .section-head h2, .intro-title h2, .genre-note h2, .feature-copy h2,
      .quality-copy h2, .catalog-heading h2, .collection-copy h2,
      .related-copy h2 { font-size: 25px; }
      .genre-list { gap: 8px; }
      .genre-item { min-height: 61px; padding: 11px; }
      .editorial-side { grid-template-columns: 1fr; }
      .editorial-item { min-height: 118px; }
      .quality-stats { grid-template-columns: 1fr; }
      .quality-stat { min-height: auto; padding: 17px 10px; border-right: 0; border-bottom: 1px solid rgba(255,255,255,.2); }
      .quality-stat:last-child { border-bottom: 0; }
      .catalog-row { grid-template-columns: 30px 1fr; gap: 10px; padding: 15px 0; }
      .catalog-meta { grid-column: 2; }
      .collection-item { grid-template-columns: 46px 1fr auto; gap: 11px; padding: 13px 11px; }
      .collection-symbol { width: 42px; height: 42px; }
      .quote-panel blockquote { font-size: 16px; }
      .quote-source, .footer-bottom { flex-direction: column; }
      .footer-nav { gap: 12px 21px; }
    }