/* roulang page: index */
:root {
      --ink: #15161b;
      --muted: #747078;
      --wine: #8d3150;
      --coral: #d46b6d;
      --cream: #fbf8f4;
      --paper: #fffdfb;
      --mist: #f0ebe7;
      --line: #e9dfda;
      --shadow: 0 18px 50px rgba(64, 33, 43, .10);
      --soft-shadow: 0 8px 26px rgba(64, 33, 43, .07);
      --radius: 22px;
    }
    * { box-sizing: border-box; margin: 0; padding: 0; }
    html { scroll-behavior: smooth; }
    body {
      background: var(--cream);
      color: var(--ink);
      font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
      line-height: 1.75;
      letter-spacing: .01em;
    }
    a { color: inherit; text-decoration: none; }
    button, input { font: inherit; }
    button { cursor: pointer; }
    .container { width: min(1160px, calc(100% - 40px)); margin: 0 auto; }
    .topline { height: 4px; background: linear-gradient(90deg, var(--wine), var(--coral), #e9b383); }
    .site-header {
      position: sticky; top: 0; z-index: 30;
      background: rgba(255,253,251,.92);
      backdrop-filter: blur(18px);
      border-bottom: 1px solid rgba(233,223,218,.9);
    }
    .nav-shell { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
    .brand { display: inline-flex; align-items: center; gap: 12px; font-weight: 800; letter-spacing: -.03em; white-space: nowrap; }
    .brand-mark {
      width: 38px; height: 38px; display: grid; place-items: center; border-radius: 13px;
      color: white; background: var(--wine); box-shadow: 0 8px 18px rgba(141,49,80,.23); font-size: 17px;
    }
    .brand-text { font-size: 17px; }
    .nav-links { display: flex; align-items: center; gap: 8px; }
    .nav-link { padding: 9px 14px; color: var(--muted); border-radius: 10px; font-size: 14px; transition: .25s ease; }
    .nav-link:hover, .nav-link.active { color: var(--wine); background: #f7eceb; }
    .nav-tools { display: flex; align-items: center; gap: 10px; }
    .search-pill { display: flex; align-items: center; gap: 8px; border: 1px solid var(--line); background: white; border-radius: 999px; padding: 8px 13px; color: var(--muted); font-size: 13px; }
    .search-pill input { width: 90px; border: 0; outline: 0; background: transparent; color: var(--ink); }
    .menu-toggle { display: none; border: 1px solid var(--line); background: white; border-radius: 10px; padding: 8px 11px; }
    .hero { padding: 72px 0 52px; }
    .hero-grid { display: grid; grid-template-columns: 1.06fr .94fr; gap: 56px; align-items: center; }
    .eyebrow, .section-kicker { color: var(--wine); font-size: 12px; font-weight: 800; letter-spacing: .18em; text-transform: uppercase; }
    h1 { margin-top: 18px; font-size: clamp(42px, 6vw, 76px); line-height: 1.08; letter-spacing: -.07em; max-width: 700px; }
    .hero-copy { max-width: 630px; margin-top: 25px; color: var(--muted); font-size: 17px; }
    .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
    .btn { display: inline-flex; justify-content: center; align-items: center; gap: 8px; min-height: 46px; padding: 0 20px; border-radius: 12px; border: 1px solid transparent; font-weight: 700; font-size: 14px; transition: .25s ease; }
    .btn-primary { color: white; background: var(--wine); box-shadow: 0 10px 22px rgba(141,49,80,.2); }
    .btn-primary:hover { background: #71243e; transform: translateY(-2px); }
    .btn-secondary { color: var(--wine); background: white; border-color: var(--line); }
    .btn-secondary:hover { border-color: var(--wine); transform: translateY(-2px); }
    .btn:focus-visible, .nav-link:focus-visible, input:focus-visible { outline: 3px solid rgba(212,107,109,.35); outline-offset: 3px; }
    .hero-stage { position: relative; min-height: 390px; padding: 26px; border-radius: 30px; overflow: hidden; background: #211a20; box-shadow: var(--shadow); }
    .hero-stage:before, .hero-stage:after { content: ""; position: absolute; border-radius: 50%; filter: blur(2px); }
    .hero-stage:before { width: 280px; height: 280px; right: -50px; top: -50px; background: rgba(212,107,109,.62); }
    .hero-stage:after { width: 220px; height: 220px; left: -70px; bottom: -80px; background: rgba(141,49,80,.8); }
    .stage-inner { position: relative; z-index: 2; height: 100%; min-height: 338px; display: flex; flex-direction: column; justify-content: space-between; }
    .stage-top { display: flex; justify-content: space-between; align-items: flex-start; color: #f8e8e5; font-size: 12px; }
    .stage-badge { border: 1px solid rgba(255,255,255,.28); border-radius: 999px; padding: 5px 10px; }
    .feature-card { max-width: 390px; padding: 23px; background: rgba(255,253,251,.95); border-radius: 20px; box-shadow: 0 20px 40px rgba(0,0,0,.16); }
    .feature-card small { color: var(--wine); font-weight: 800; }
    .feature-card h2 { margin: 9px 0 8px; font-size: 27px; letter-spacing: -.04em; line-height: 1.25; }
    .feature-card p { color: var(--muted); font-size: 13px; }
    .section { padding: 88px 0; }
    .section-head { display: flex; justify-content: space-between; align-items: end; gap: 25px; margin-bottom: 32px; }
    .section-title { margin-top: 8px; font-size: clamp(28px, 4vw, 43px); line-height: 1.2; letter-spacing: -.055em; }
    .section-desc { max-width: 560px; color: var(--muted); font-size: 15px; }
    .directory { display: grid; grid-template-columns: 1.15fr .85fr; gap: 18px; }
    .directory-card { min-height: 245px; position: relative; padding: 28px; overflow: hidden; border-radius: var(--radius); background: white; border: 1px solid var(--line); transition: .3s ease; }
    .directory-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
    .directory-card.featured { background: var(--wine); color: white; }
    .directory-card h3 { margin: 36px 0 10px; font-size: 25px; letter-spacing: -.04em; }
    .directory-card p { max-width: 430px; color: var(--muted); font-size: 14px; }
    .featured p { color: rgba(255,255,255,.75); }
    .arrow { position: absolute; right: 26px; bottom: 24px; font-size: 23px; }
    .number { font-size: 12px; font-weight: 800; color: var(--coral); }
    .featured .number { color: #f2c3bc; }
    .value-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
    .value-card { padding: 28px 25px; background: var(--paper); border: 1px solid var(--line); border-radius: 18px; }
    .icon-box { width: 42px; height: 42px; display: grid; place-items: center; color: var(--wine); background: #f7e9e7; border-radius: 12px; font-weight: 900; }
    .value-card h3 { margin: 21px 0 8px; font-size: 19px; }
    .value-card p { color: var(--muted); font-size: 14px; }
    .proof-strip { padding: 28px 0; background: #2a2027; color: white; }
    .proof-inner { display: grid; grid-template-columns: repeat(4,1fr); gap: 20px; }
    .proof-item { padding-left: 20px; border-left: 1px solid rgba(255,255,255,.2); }
    .proof-item strong { display: block; color: #f1b5ad; font-size: 28px; letter-spacing: -.04em; }
    .proof-item span { color: rgba(255,255,255,.67); font-size: 13px; }
    .news-layout { display: grid; grid-template-columns: 1.3fr .7fr; gap: 40px; }
    .news-list { border-top: 1px solid var(--line); }
    .news-item { display: flex; justify-content: space-between; gap: 20px; padding: 20px 0; border-bottom: 1px solid var(--line); transition: .2s; }
    .news-item:hover .news-title { color: var(--wine); }
    .news-title { font-size: 16px; font-weight: 700; }
    .news-meta { color: var(--muted); font-size: 12px; white-space: nowrap; }
    .side-note { padding: 25px; background: #f4e7e3; border-radius: 20px; }
    .side-note h3 { font-size: 21px; margin-bottom: 10px; }
    .side-note p { color: #6f5a5c; font-size: 14px; }
    .steps { display: grid; grid-template-columns: repeat(4,1fr); gap: 12px; }
    .step { padding: 24px 20px; background: white; border-radius: 17px; border: 1px solid var(--line); }
    .step-num { color: var(--wine); font-weight: 900; font-size: 13px; }
    .step h3 { margin: 20px 0 7px; font-size: 17px; }
    .step p { color: var(--muted); font-size: 13px; }
    .faq-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 13px; }
    details { background: white; border: 1px solid var(--line); border-radius: 15px; padding: 18px 20px; }
    summary { cursor: pointer; font-weight: 700; list-style: none; }
    summary:after { content: "+"; float: right; color: var(--wine); font-size: 20px; }
    details[open] summary:after { content: "−"; }
    details p { margin-top: 12px; color: var(--muted); font-size: 14px; }
    .lead-box { display: grid; grid-template-columns: 1fr .85fr; gap: 45px; align-items: center; padding: 48px; border-radius: 26px; color: white; background: linear-gradient(120deg, #3a222c, #8d3150); }
    .lead-box h2 { margin-top: 10px; font-size: clamp(28px,4vw,44px); letter-spacing: -.05em; line-height: 1.2; }
    .lead-box p { margin-top: 16px; color: rgba(255,255,255,.76); font-size: 15px; }
    .lead-form { display: flex; gap: 9px; padding: 8px; background: rgba(255,255,255,.13); border: 1px solid rgba(255,255,255,.22); border-radius: 14px; }
    .lead-form input { min-width: 0; flex: 1; padding: 0 12px; color: white; background: transparent; border: 0; outline: 0; }
    .lead-form input::placeholder { color: rgba(255,255,255,.65); }
    .lead-form .btn { background: white; color: var(--wine); }
    footer { padding: 46px 0 88px; border-top: 1px solid var(--line); }
    .footer-top { display: flex; justify-content: space-between; gap: 30px; }
    .footer-brand p { max-width: 390px; margin-top: 12px; color: var(--muted); font-size: 13px; }
    .footer-links { display: flex; gap: 22px; color: var(--muted); font-size: 13px; }
    .footer-links a:hover { color: var(--wine); }
    .copyright { margin-top: 34px; padding-top: 18px; border-top: 1px solid var(--line); color: var(--muted); font-size: 12px; }
    .fixed-cta { position: fixed; right: 22px; bottom: 20px; z-index: 25; }
    .fixed-cta a { display: inline-flex; align-items: center; gap: 8px; padding: 12px 16px; color: white; background: var(--wine); border-radius: 999px; box-shadow: 0 10px 28px rgba(141,49,80,.28); font-size: 13px; font-weight: 700; transition: .25s; }
    .fixed-cta a:hover { transform: translateY(-3px); background: #71243e; }
    .toast { position: fixed; left: 50%; bottom: 25px; transform: translate(-50%, 20px); opacity: 0; pointer-events: none; padding: 11px 18px; color: white; background: #282128; border-radius: 10px; font-size: 13px; transition: .3s; z-index: 50; }
    .toast.show { opacity: 1; transform: translate(-50%,0); }
    @media (max-width: 1024px) {
      .hero-grid { gap: 30px; } h1 { font-size: 58px; }
      .directory { grid-template-columns: 1fr 1fr; }
    }
    @media (max-width: 768px) {
      .container { width: min(100% - 30px, 620px); }
      .nav-shell { min-height: 68px; }
      .menu-toggle { display: block; }
      .nav-links { display: none; position: absolute; left: 15px; right: 15px; top: 74px; padding: 10px; flex-direction: column; align-items: stretch; background: white; border: 1px solid var(--line); border-radius: 16px; box-shadow: var(--shadow); }
      .nav-links.open { display: flex; }
      .nav-link { text-align: center; }
      .search-pill { display: none; }
      .hero { padding: 48px 0 30px; }
      .hero-grid, .directory, .news-layout, .lead-box { grid-template-columns: 1fr; }
      .hero-stage { min-height: 330px; }
      .stage-inner { min-height: 278px; }
      h1 { font-size: clamp(42px, 12vw, 62px); }
      .section { padding: 62px 0; }
      .section-head { display: block; }
      .section-desc { margin-top: 14px; }
      .value-grid, .steps { grid-template-columns: 1fr 1fr; }
      .proof-inner { grid-template-columns: 1fr 1fr; }
      .lead-box { padding: 30px 24px; gap: 25px; }
      .footer-top { display: block; }
      .footer-links { margin-top: 24px; flex-wrap: wrap; }
    }
    @media (max-width: 520px) {
      .brand-text { font-size: 14px; }
      .brand-mark { width: 34px; height: 34px; }
      .hero-actions .btn { width: 100%; }
      .value-grid, .steps, .faq-grid, .proof-inner { grid-template-columns: 1fr; }
      .proof-item { border-left: 0; border-bottom: 1px solid rgba(255,255,255,.2); padding: 0 0 13px; }
      .proof-item:last-child { border-bottom: 0; }
      .news-item { display: block; }
      .news-meta { display: block; margin-top: 5px; }
      .lead-form { display: block; padding: 8px; }
      .lead-form input { display: block; width: 100%; height: 43px; }
      .lead-form .btn { width: 100%; }
      .fixed-cta { right: 13px; bottom: 13px; }
    }

/* roulang page: category2 */
:root {
      --bg: #fbfaf7;
      --surface: #ffffff;
      --surface-soft: #f5efe7;
      --ink: #191714;
      --muted: #6f675f;
      --muted-2: #91877d;
      --line: rgba(31, 25, 18, .11);
      --brand: #8a4b24;
      --brand-2: #c78543;
      --brand-3: #2f2119;
      --accent: #e8b86d;
      --danger: #9d2f2f;
      --radius-sm: 12px;
      --radius: 20px;
      --radius-lg: 30px;
      --shadow-sm: 0 8px 22px rgba(38, 27, 17, .07);
      --shadow: 0 24px 70px rgba(38, 27, 17, .12);
      --shadow-hover: 0 30px 80px rgba(38, 27, 17, .18);
      --container: 1180px;
      --ease: cubic-bezier(.2, .8, .2, 1);
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      color: var(--ink);
      background:
        radial-gradient(circle at 8% 2%, rgba(232, 184, 109, .22), transparent 32rem),
        radial-gradient(circle at 94% 10%, rgba(138, 75, 36, .13), transparent 30rem),
        linear-gradient(180deg, #fffdf9 0%, var(--bg) 42%, #f7f0e8 100%);
      font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB", Arial, sans-serif;
      line-height: 1.75;
      overflow-x: hidden;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: color .22s var(--ease), background .22s var(--ease), border-color .22s var(--ease), transform .22s var(--ease), box-shadow .22s var(--ease);
    }

    img, svg {
      max-width: 100%;
      display: block;
    }

    button, input, textarea, select {
      font: inherit;
    }

    button {
      border: 0;
      cursor: pointer;
    }

    ::selection {
      background: rgba(199, 133, 67, .28);
    }

    :focus-visible {
      outline: 3px solid rgba(199, 133, 67, .42);
      outline-offset: 3px;
      border-radius: 12px;
    }

    .container {
      width: min(100% - 40px, var(--container));
      margin-inline: auto;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      backdrop-filter: blur(18px);
      background: rgba(255, 252, 247, .88);
      border-bottom: 1px solid var(--line);
      box-shadow: 0 10px 28px rgba(38, 27, 17, .045);
    }

    .topbar {
      display: flex;
      align-items: center;
      justify-content: space-between;
      min-height: 72px;
      gap: 22px;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      min-width: 0;
      font-weight: 900;
      letter-spacing: -.03em;
    }

    .brand-mark {
      width: 42px;
      height: 42px;
      flex: 0 0 42px;
      display: inline-grid;
      place-items: center;
      border-radius: 15px;
      color: #fff;
      background:
        linear-gradient(135deg, var(--brand-3), var(--brand) 52%, var(--brand-2));
      box-shadow: 0 12px 28px rgba(138, 75, 36, .24);
      font-size: 20px;
    }

    .brand-text {
      font-size: clamp(17px, 2.3vw, 23px);
      color: var(--ink);
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .header-tools {
      display: flex;
      align-items: center;
      gap: 12px;
      min-width: 320px;
      justify-content: flex-end;
    }

    .search-box {
      display: flex;
      align-items: center;
      gap: 8px;
      width: min(330px, 36vw);
      height: 42px;
      padding: 0 14px;
      border: 1px solid var(--line);
      border-radius: 999px;
      background: rgba(255, 255, 255, .78);
      color: var(--muted);
      box-shadow: inset 0 1px 0 rgba(255,255,255,.8);
    }

    .search-box input {
      width: 100%;
      border: 0;
      outline: 0;
      background: transparent;
      color: var(--ink);
      font-size: 14px;
    }

    .search-box input::placeholder {
      color: var(--muted-2);
    }

    .age-chip {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      white-space: nowrap;
      height: 42px;
      padding: 0 14px;
      border-radius: 999px;
      background: #211711;
      color: #fff7ec;
      font-size: 13px;
      font-weight: 800;
      box-shadow: 0 12px 24px rgba(33, 23, 17, .16);
    }

    .age-chip::before {
      content: "";
      width: 7px;
      height: 7px;
      border-radius: 999px;
      background: var(--accent);
      box-shadow: 0 0 0 5px rgba(232, 184, 109, .16);
    }

    .nav-row {
      border-top: 1px solid rgba(31, 25, 18, .07);
    }

    .nav-wrap {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      min-height: 54px;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 6px;
      overflow-x: auto;
      scrollbar-width: none;
      -webkit-overflow-scrolling: touch;
      padding: 8px 0;
    }

    .nav-links::-webkit-scrollbar {
      display: none;
    }

    .nav-link {
      position: relative;
      display: inline-flex;
      align-items: center;
      white-space: nowrap;
      height: 36px;
      padding: 0 14px;
      border-radius: 999px;
      color: var(--muted);
      font-size: 14px;
      font-weight: 800;
    }

    .nav-link:hover {
      color: var(--brand);
      background: rgba(138, 75, 36, .08);
    }

    .nav-link.active {
      color: #fff;
      background: linear-gradient(135deg, var(--brand-3), var(--brand));
      box-shadow: 0 10px 24px rgba(138, 75, 36, .18);
    }

    .trend-line {
      display: flex;
      align-items: center;
      gap: 8px;
      color: var(--muted);
      font-size: 13px;
      white-space: nowrap;
    }

    .trend-line strong {
      color: var(--brand);
    }

    .section {
      padding: 86px 0;
    }

    .section-tight {
      padding: 58px 0;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 9px;
      padding: 8px 12px;
      border-radius: 999px;
      background: rgba(138, 75, 36, .08);
      border: 1px solid rgba(138, 75, 36, .13);
      color: var(--brand);
      font-size: 13px;
      font-weight: 900;
      letter-spacing: .03em;
    }

    .eyebrow::before {
      content: "";
      width: 8px;
      height: 8px;
      border-radius: 999px;
      background: var(--brand-2);
    }

    .hero {
      padding: 76px 0 72px;
      position: relative;
    }

    .hero-grid {
      display: grid;
      grid-template-columns: minmax(0, 1.04fr) minmax(360px, .78fr);
      gap: 46px;
      align-items: center;
    }

    h1 {
      margin: 20px 0 18px;
      font-size: clamp(42px, 6.4vw, 78px);
      line-height: .98;
      letter-spacing: -.075em;
      font-weight: 950;
      color: var(--ink);
    }

    .hero-lead {
      max-width: 760px;
      color: var(--muted);
      font-size: clamp(17px, 2vw, 20px);
      line-height: 1.9;
    }

    .hero-actions {
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      gap: 14px;
      margin-top: 30px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
      min-height: 48px;
      padding: 0 20px;
      border-radius: 999px;
      font-weight: 900;
      font-size: 15px;
      border: 1px solid transparent;
      transition: transform .22s var(--ease), box-shadow .22s var(--ease), background .22s var(--ease), color .22s var(--ease), border-color .22s var(--ease);
    }

    .btn-primary {
      color: #fffaf2;
      background: linear-gradient(135deg, var(--brand-3), var(--brand) 62%, var(--brand-2));
      box-shadow: 0 18px 36px rgba(138, 75, 36, .22);
    }

    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 24px 46px rgba(138, 75, 36, .30);
    }

    .btn-secondary {
      color: var(--ink);
      background: rgba(255,255,255,.72);
      border-color: var(--line);
      box-shadow: var(--shadow-sm);
    }

    .btn-secondary:hover {
      transform: translateY(-2px);
      color: var(--brand);
      border-color: rgba(138, 75, 36, .24);
      box-shadow: var(--shadow);
    }

    .trust-row {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 12px;
      margin-top: 38px;
      max-width: 720px;
    }

    .mini-stat {
      padding: 18px;
      border-radius: var(--radius);
      border: 1px solid var(--line);
      background: rgba(255,255,255,.68);
      box-shadow: var(--shadow-sm);
    }

    .mini-stat strong {
      display: block;
      font-size: 24px;
      line-height: 1;
      letter-spacing: -.04em;
      color: var(--brand-3);
    }

    .mini-stat span {
      display: block;
      margin-top: 8px;
      color: var(--muted);
      font-size: 13px;
    }

    .paper-card {
      position: relative;
      border-radius: 36px;
      padding: 18px;
      background: linear-gradient(145deg, rgba(255,255,255,.92), rgba(245,239,231,.84));
      border: 1px solid rgba(31, 25, 18, .11);
      box-shadow: var(--shadow);
      overflow: hidden;
    }

    .paper-card::before {
      content: "";
      position: absolute;
      inset: -80px -120px auto auto;
      width: 260px;
      height: 260px;
      border-radius: 999px;
      background: rgba(232, 184, 109, .22);
      filter: blur(8px);
    }

    .paper-cover {
      position: relative;
      min-height: 260px;
      padding: 28px;
      border-radius: 28px;
      color: #fff8ee;
      background:
        linear-gradient(135deg, rgba(32, 22, 16, .92), rgba(138, 75, 36, .88)),
        radial-gradient(circle at 80% 10%, rgba(232,184,109,.5), transparent 24rem);
      overflow: hidden;
    }

    .paper-cover::after {
      content: "";
      position: absolute;
      width: 160px;
      height: 160px;
      right: -40px;
      bottom: -40px;
      border: 1px solid rgba(255,255,255,.18);
      border-radius: 44px;
      transform: rotate(16deg);
      background: rgba(255,255,255,.07);
    }

    .paper-cover small {
      display: inline-flex;
      padding: 6px 10px;
      border-radius: 999px;
      background: rgba(255,255,255,.12);
      border: 1px solid rgba(255,255,255,.16);
      font-weight: 800;
      font-size: 12px;
    }

    .paper-cover h2 {
      position: relative;
      margin: 36px 0 12px;
      font-size: 32px;
      line-height: 1.08;
      letter-spacing: -.05em;
      font-weight: 950;
      max-width: 320px;
    }

    .paper-cover p {
      position: relative;
      margin: 0;
      color: rgba(255,248,238,.78);
      font-size: 14px;
      max-width: 330px;
    }

    .toc-box {
      padding: 22px 12px 4px;
    }

    .toc-title {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      margin-bottom: 12px;
      font-weight: 950;
      letter-spacing: -.02em;
    }

    .toc-title span {
      color: var(--muted);
      font-size: 12px;
      font-weight: 800;
    }

    .toc-list {
      display: grid;
      gap: 9px;
      margin: 0;
      padding: 0;
      list-style: none;
    }

    .toc-list li {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      padding: 11px 12px;
      border: 1px solid rgba(31,25,18,.08);
      border-radius: 15px;
      background: rgba(255,255,255,.58);
      color: var(--muted);
      font-size: 14px;
    }

    .toc-list b {
      color: var(--brand);
      font-size: 12px;
      letter-spacing: .03em;
    }

    .lead-form {
      margin-top: 16px;
      display: grid;
      grid-template-columns: 1fr;
      gap: 10px;
    }

    .field {
      width: 100%;
      height: 48px;
      border-radius: 16px;
      border: 1px solid var(--line);
      background: rgba(255,255,255,.78);
      padding: 0 14px;
      color: var(--ink);
      outline: none;
      transition: border-color .22s var(--ease), box-shadow .22s var(--ease), background .22s var(--ease);
    }

    .field:focus {
      border-color: rgba(138, 75, 36, .38);
      box-shadow: 0 0 0 4px rgba(199,133,67,.12);
      background: #fff;
    }

    .form-note {
      color: var(--muted-2);
      font-size: 12px;
      line-height: 1.7;
      margin: 2px 0 0;
    }

    .intro-panel {
      display: grid;
      grid-template-columns: .86fr 1.14fr;
      gap: 34px;
      align-items: start;
      padding: 36px;
      border-radius: var(--radius-lg);
      background: rgba(255,255,255,.72);
      border: 1px solid var(--line);
      box-shadow: var(--shadow-sm);
    }

    .section-title {
      margin: 14px 0 0;
      font-size: clamp(30px, 4vw, 52px);
      line-height: 1.08;
      letter-spacing: -.06em;
      font-weight: 950;
    }

    .section-desc {
      margin-top: 18px;
      color: var(--muted);
      font-size: 17px;
      line-height: 1.9;
    }

    .feature-stack {
      display: grid;
      gap: 14px;
    }

    .feature-item {
      display: grid;
      grid-template-columns: 44px 1fr;
      gap: 14px;
      padding: 18px;
      border-radius: 20px;
      background: linear-gradient(180deg, #fff, rgba(255,255,255,.68));
      border: 1px solid var(--line);
      transition: transform .22s var(--ease), box-shadow .22s var(--ease), border-color .22s var(--ease);
    }

    .feature-item:hover {
      transform: translateY(-3px);
      box-shadow: var(--shadow-sm);
      border-color: rgba(138,75,36,.18);
    }

    .icon-box {
      width: 44px;
      height: 44px;
      display: grid;
      place-items: center;
      border-radius: 16px;
      color: var(--brand);
      background: rgba(138,75,36,.09);
      font-weight: 950;
    }

    .feature-item h3 {
      margin: 0 0 5px;
      font-size: 18px;
      font-weight: 950;
      letter-spacing: -.02em;
    }

    .feature-item p {
      margin: 0;
      color: var(--muted);
      font-size: 14px;
      line-height: 1.8;
    }

    .data-band {
      border-radius: 34px;
      background:
        linear-gradient(135deg, #211711, #3a271d 58%, #7a421f);
      color: #fff8ee;
      padding: 34px;
      box-shadow: var(--shadow);
      overflow: hidden;
      position: relative;
    }

    .data-band::after {
      content: "";
      position: absolute;
      inset: auto -90px -120px auto;
      width: 260px;
      height: 260px;
      border-radius: 999px;
      background: rgba(232,184,109,.20);
      filter: blur(2px);
    }

    .data-grid {
      position: relative;
      display: grid;
      grid-template-columns: 1.1fr repeat(3, .7fr);
      gap: 22px;
      align-items: stretch;
      z-index: 1;
    }

    .data-copy h2 {
      margin: 0 0 10px;
      font-size: clamp(26px, 3.4vw, 42px);
      line-height: 1.12;
      letter-spacing: -.055em;
      font-weight: 950;
    }

    .data-copy p {
      margin: 0;
      color: rgba(255,248,238,.72);
      max-width: 520px;
    }

    .data-card {
      padding: 20px;
      border-radius: 24px;
      background: rgba(255,255,255,.09);
      border: 1px solid rgba(255,255,255,.13);
      backdrop-filter: blur(12px);
    }

    .data-card strong {
      display: block;
      font-size: 36px;
      line-height: 1;
      letter-spacing: -.06em;
      color: var(--accent);
    }

    .data-card span {
      display: block;
      margin-top: 10px;
      color: rgba(255,248,238,.76);
      font-size: 13px;
    }

    .case-layout {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 24px;
      align-items: stretch;
    }

    .quote-card {
      min-height: 100%;
      padding: 30px;
      border-radius: 30px;
      background: var(--surface);
      border: 1px solid var(--line);
      box-shadow: var(--shadow-sm);
    }

    .quote-card.large {
      background:
        linear-gradient(180deg, rgba(255,255,255,.9), rgba(245,239,231,.8));
    }

    .quote-mark {
      width: 52px;
      height: 52px;
      border-radius: 18px;
      display: grid;
      place-items: center;
      color: #fff;
      background: linear-gradient(135deg, var(--brand-3), var(--brand));
      font-size: 28px;
      font-weight: 950;
      margin-bottom: 22px;
    }

    .quote-card h3 {
      margin: 0 0 12px;
      font-size: 24px;
      line-height: 1.25;
      letter-spacing: -.04em;
      font-weight: 950;
    }

    .quote-card p {
      margin: 0;
      color: var(--muted);
    }

    .case-small-grid {
      display: grid;
      gap: 24px;
    }

    .tag-list {
      display: flex;
      flex-wrap: wrap;
      gap: 9px;
      margin-top: 22px;
    }

    .tag {
      display: inline-flex;
      align-items: center;
      height: 30px;
      padding: 0 11px;
      border-radius: 999px;
      background: rgba(138,75,36,.08);
      color: var(--brand);
      border: 1px solid rgba(138,75,36,.12);
      font-size: 12px;
      font-weight: 850;
    }

    .solution {
      display: grid;
      grid-template-columns: .9fr 1.1fr;
      gap: 26px;
      align-items: start;
    }

    .process-card {
      padding: 28px;
      border-radius: var(--radius-lg);
      border: 1px solid var(--line);
      background: rgba(255,255,255,.76);
      box-shadow: var(--shadow-sm);
    }

    .step-list {
      display: grid;
      gap: 12px;
      margin: 0;
      padding: 0;
      list-style: none;
      counter-reset: step;
    }

    .step-list li {
      counter-increment: step;
      display: grid;
      grid-template-columns: 46px 1fr;
      gap: 14px;
      padding: 16px;
      border-radius: 20px;
      background: rgba(245,239,231,.74);
      border: 1px solid rgba(31,25,18,.08);
    }

    .step-list li::before {
      content: counter(step, decimal-leading-zero);
      width: 46px;
      height: 46px;
      border-radius: 16px;
      display: grid;
      place-items: center;
      background: #fff;
      color: var(--brand);
      font-weight: 950;
      box-shadow: inset 0 0 0 1px rgba(31,25,18,.08);
    }

    .step-list h3 {
      margin: 0 0 4px;
      font-size: 17px;
      font-weight: 950;
    }

    .step-list p {
      margin: 0;
      color: var(--muted);
      font-size: 14px;
      line-height: 1.75;
    }

    .check-panel {
      padding: 30px;
      border-radius: var(--radius-lg);
      background:
        linear-gradient(180deg, #fff, rgba(255,255,255,.62));
      border: 1px solid var(--line);
      box-shadow: var(--shadow-sm);
    }

    .check-list {
      margin: 22px 0 0;
      padding: 0;
      list-style: none;
      display: grid;
      gap: 13px;
    }

    .check-list li {
      position: relative;
      padding-left: 34px;
      color: var(--muted);
    }

    .check-list li::before {
      content: "✓";
      position: absolute;
      left: 0;
      top: 1px;
      width: 22px;
      height: 22px;
      border-radius: 999px;
      display: grid;
      place-items: center;
      background: rgba(138,75,36,.10);
      color: var(--brand);
      font-size: 13px;
      font-weight: 950;
    }

    .faq-wrap {
      display: grid;
      grid-template-columns: .75fr 1.25fr;
      gap: 34px;
      align-items: start;
    }

    .faq-list {
      display: grid;
      gap: 12px;
    }

    .faq-item {
      border: 1px solid var(--line);
      border-radius: 22px;
      background: rgba(255,255,255,.78);
      box-shadow: var(--shadow-sm);
      overflow: hidden;
    }

    .faq-item summary {
      list-style: none;
      cursor: pointer;
      padding: 20px 22px;
      font-weight: 950;
      color: var(--ink);
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
    }

    .faq-item summary::-webkit-details-marker {
      display: none;
    }

    .faq-item summary::after {
      content: "+";
      width: 30px;
      height: 30px;
      flex: 0 0 30px;
      display: grid;
      place-items: center;
      border-radius: 999px;
      background: rgba(138,75,36,.08);
      color: var(--brand);
      font-weight: 950;
      transition: transform .22s var(--ease), background .22s var(--ease);
    }

    .faq-item[open] summary::after {
      content: "−";
      background: var(--brand);
      color: #fff;
      transform: rotate(180deg);
    }

    .faq-item p {
      margin: 0;
      padding: 0 22px 22px;
      color: var(--muted);
      line-height: 1.85;
    }

    .cta-card {
      position: relative;
      overflow: hidden;
      border-radius: 38px;
      padding: 44px;
      background:
        radial-gradient(circle at 88% 12%, rgba(232,184,109,.34), transparent 24rem),
        linear-gradient(135deg, #fff, #f3eadf);
      border: 1px solid var(--line);
      box-shadow: var(--shadow);
    }

    .cta-card::before {
      content: "";
      position: absolute;
      width: 190px;
      height: 190px;
      right: -72px;
      bottom: -72px;
      border-radius: 52px;
      transform: rotate(18deg);
      background: rgba(138,75,36,.09);
      border: 1px solid rgba(138,75,36,.12);
    }

    .cta-inner {
      position: relative;
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 26px;
      align-items: center;
      z-index: 1;
    }

    .cta-card h2 {
      margin: 0 0 12px;
      font-size: clamp(30px, 4vw, 50px);
      line-height: 1.1;
      letter-spacing: -.06em;
      font-weight: 950;
    }

    .cta-card p {
      margin: 0;
      color: var(--muted);
      max-width: 720px;
      font-size: 17px;
    }

    footer {
      padding: 54px 0 34px;
      background: #1f1712;
      color: rgba(255,248,238,.78);
    }

    .footer-top {
      display: grid;
      grid-template-columns: 1.1fr .9fr;
      gap: 32px;
      align-items: start;
      padding-bottom: 28px;
      border-bottom: 1px solid rgba(255,255,255,.12);
    }

    .footer-brand .brand-text {
      color: #fff8ee;
    }

    .footer-brand p {
      margin: 16px 0 0;
      max-width: 560px;
      color: rgba(255,248,238,.66);
      font-size: 14px;
    }

    .footer-links {
      display: flex;
      justify-content: flex-end;
      flex-wrap: wrap;
      gap: 10px;
    }

    .footer-links a {
      display: inline-flex;
      align-items: center;
      height: 38px;
      padding: 0 13px;
      border-radius: 999px;
      background: rgba(255,255,255,.06);
      border: 1px solid rgba(255,255,255,.10);
      color: rgba(255,248,238,.78);
      font-size: 13px;
      font-weight: 800;
    }

    .footer-links a:hover {
      background: rgba(232,184,109,.16);
      color: #fff;
      transform: translateY(-2px);
    }

    .copyright {
      padding-top: 22px;
      color: rgba(255,248,238,.48);
      font-size: 13px;
    }

    .mobile-menu-btn {
      display: none;
      width: 42px;
      height: 42px;
      border-radius: 14px;
      background: rgba(138,75,36,.08);
      color: var(--brand);
      font-weight: 950;
    }

    @media (max-width: 1024px) {
      .hero-grid,
      .intro-panel,
      .solution,
      .faq-wrap {
        grid-template-columns: 1fr;
      }

      .data-grid {
        grid-template-columns: 1fr 1fr;
      }

      .case-layout {
        grid-template-columns: 1fr;
      }

      .header-tools {
        min-width: auto;
      }

      .search-box {
        width: 260px;
      }
    }

    @media (max-width: 768px) {
      .container {
        width: min(100% - 28px, var(--container));
      }

      .topbar {
        min-height: 66px;
      }

      .header-tools {
        gap: 8px;
      }

      .search-box {
        display: none;
      }

      .mobile-menu-btn {
        display: inline-grid;
        place-items: center;
      }

      .nav-wrap {
        align-items: stretch;
        flex-direction: column;
        gap: 0;
        padding-bottom: 8px;
      }

      .trend-line {
        padding: 0 0 8px;
        overflow-x: auto;
      }

      .hero {
        padding: 54px 0 52px;
      }

      .paper-card {
        border-radius: 28px;
      }

      .paper-cover {
        min-height: 230px;
        border-radius: 22px;
      }

      .trust-row {
        grid-template-columns: 1fr;
      }

      .data-grid,
      .footer-top,
      .cta-inner {
        grid-template-columns: 1fr;
      }

      .footer-links {
        justify-content: flex-start;
      }

      .section {
        padding: 64px 0;
      }

      .intro-panel,
      .data-band,
      .cta-card {
        padding: 24px;
        border-radius: 28px;
      }
    }

    @media (max-width: 520px) {
      .brand-mark {
        width: 38px;
        height: 38px;
        flex-basis: 38px;
        border-radius: 13px;
      }

      .brand-text {
        max-width: 210px;
      }

      .age-chip {
        display: none;
      }

      h1 {
        font-size: 42px;
      }

      .hero-actions {
        align-items: stretch;
        flex-direction: column;
      }

      .btn {
        width: 100%;
      }

      .paper-cover {
        padding: 22px;
      }

      .paper-cover h2 {
        font-size: 28px;
      }

      .mini-stat,
      .feature-item,
      .quote-card,
      .process-card,
      .check-panel {
        border-radius: 22px;
      }

      .data-grid {
        grid-template-columns: 1fr;
      }

      .step-list li {
        grid-template-columns: 1fr;
      }
    }

/* roulang page: category1 */
:root{
      --bg:#0b1120;
      --bg-soft:#0f172a;
      --panel:rgba(15, 23, 42, .82);
      --panel-soft:rgba(15, 23, 42, .64);
      --line:rgba(148, 163, 184, .18);
      --line-strong:rgba(148, 163, 184, .28);
      --text:#e2e8f0;
      --muted:#94a3b8;
      --muted-2:#cbd5e1;
      --brand:#f59e0b;
      --brand-2:#fb7185;
      --ok:#22c55e;
      --shadow:0 20px 60px rgba(2, 6, 23, .38);
      --radius:24px;
      --radius-sm:18px;
      --radius-xs:14px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      color:var(--text);
      background:
        radial-gradient(circle at 20% 10%, rgba(245,158,11,.12), transparent 30%),
        radial-gradient(circle at 85% 18%, rgba(251,113,133,.14), transparent 28%),
        linear-gradient(180deg, #08101d 0%, #0b1120 35%, #09101b 100%);
      font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
      line-height:1.7;
      text-rendering:optimizeLegibility;
      -webkit-font-smoothing:antialiased;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none;transition:all .25s ease}
    img{max-width:100%;display:block}
    button,input,textarea,select{font:inherit}
    ::selection{background:rgba(245,158,11,.35);color:#fff}
    .glass{
      background:linear-gradient(180deg, rgba(15, 23, 42, .86), rgba(15, 23, 42, .66));
      border:1px solid var(--line);
      box-shadow:var(--shadow);
      backdrop-filter:blur(18px);
      -webkit-backdrop-filter:blur(18px);
    }
    .surface{
      background:linear-gradient(180deg, rgba(15, 23, 42, .76), rgba(15, 23, 42, .5));
      border:1px solid var(--line);
      box-shadow:0 18px 42px rgba(2,6,23,.22);
      backdrop-filter:blur(14px);
      -webkit-backdrop-filter:blur(14px);
    }
    .brand{
      display:inline-flex;
      align-items:center;
      gap:.8rem;
      min-height:44px;
      font-weight:700;
      letter-spacing:.02em;
    }
    .brand-mark{
      width:2.35rem;
      height:2.35rem;
      display:grid;
      place-items:center;
      border-radius:999px;
      background:linear-gradient(135deg, rgba(245,158,11,.95), rgba(251,113,133,.92));
      color:#fff;
      font-weight:800;
      box-shadow:0 10px 30px rgba(245,158,11,.28);
      flex:0 0 auto;
    }
    .brand-text{
      font-size:1.02rem;
      color:#f8fafc;
      white-space:nowrap;
    }
    .topbar{
      position:sticky;
      top:0;
      z-index:50;
      border-bottom:1px solid rgba(148,163,184,.12);
      background:rgba(8, 15, 30, .84);
      backdrop-filter:blur(18px);
      -webkit-backdrop-filter:blur(18px);
    }
    .nav-links{
      display:flex;
      align-items:center;
      gap:.55rem;
      overflow-x:auto;
      scrollbar-width:none;
      padding-bottom:2px;
    }
    .nav-links::-webkit-scrollbar{display:none}
    .nav-link{
      position:relative;
      display:inline-flex;
      align-items:center;
      white-space:nowrap;
      padding:.72rem 1rem;
      border-radius:999px;
      border:1px solid transparent;
      color:#cbd5e1;
      background:rgba(255,255,255,.02);
      line-height:1;
      font-weight:600;
      transition:transform .2s ease, background .2s ease, color .2s ease, border-color .2s ease, box-shadow .2s ease;
    }
    .nav-link:hover{
      color:#fff;
      background:rgba(255,255,255,.06);
      border-color:rgba(148,163,184,.16);
      transform:translateY(-1px);
    }
    .nav-link.active{
      color:#fff;
      background:linear-gradient(135deg, rgba(245,158,11,.22), rgba(251,113,133,.2));
      border-color:rgba(245,158,11,.35);
      box-shadow:0 12px 30px rgba(245,158,11,.12);
    }
    .nav-link:focus-visible,
    .btn-primary:focus-visible,
    .btn-secondary:focus-visible,
    .search-input:focus-visible{
      outline:none;
      box-shadow:0 0 0 3px rgba(245,158,11,.26), 0 0 0 6px rgba(15,23,42,.7);
    }
    .pill{
      display:inline-flex;
      align-items:center;
      gap:.45rem;
      padding:.42rem .72rem;
      border-radius:999px;
      border:1px solid rgba(148,163,184,.18);
      background:rgba(255,255,255,.04);
      color:#dbe4ef;
      font-size:.82rem;
      line-height:1;
      white-space:nowrap;
    }
    .pill-dot{
      width:.45rem;
      height:.45rem;
      border-radius:999px;
      background:var(--brand);
      box-shadow:0 0 0 4px rgba(245,158,11,.12);
    }
    .search-shell{
      display:flex;
      align-items:center;
      gap:.55rem;
      min-width:min(100%, 380px);
      padding:.45rem .55rem .45rem .9rem;
      border-radius:999px;
      background:rgba(255,255,255,.05);
      border:1px solid rgba(148,163,184,.16);
    }
    .search-input{
      flex:1;
      min-width:0;
      border:0;
      background:transparent;
      color:#fff;
      outline:none;
    }
    .search-input::placeholder{color:#94a3b8}
    .search-btn,
    .btn-primary,
    .btn-secondary{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:.55rem;
      border-radius:999px;
      padding:.9rem 1.15rem;
      font-weight:700;
      line-height:1;
      border:1px solid transparent;
      transition:transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease, border-color .2s ease;
      cursor:pointer;
    }
    .search-btn{
      padding:.78rem 1rem;
      background:linear-gradient(135deg, rgba(245,158,11,.95), rgba(251,113,133,.9));
      color:#fff;
      box-shadow:0 12px 26px rgba(245,158,11,.2);
    }
    .btn-primary{
      color:#111827;
      background:linear-gradient(135deg, #fbbf24 0%, #fb7185 100%);
      box-shadow:0 16px 34px rgba(245,158,11,.24);
    }
    .btn-primary:hover,
    .search-btn:hover{
      transform:translateY(-2px);
      box-shadow:0 18px 38px rgba(245,158,11,.28);
    }
    .btn-secondary{
      color:#f8fafc;
      background:rgba(255,255,255,.04);
      border-color:rgba(148,163,184,.18);
    }
    .btn-secondary:hover{
      background:rgba(255,255,255,.08);
      border-color:rgba(248,250,252,.22);
      transform:translateY(-2px);
    }
    .section-kicker{
      display:inline-flex;
      align-items:center;
      gap:.55rem;
      font-size:.82rem;
      text-transform:uppercase;
      letter-spacing:.16em;
      color:#f8fafc;
    }
    .section-kicker::before{
      content:"";
      width:2.2rem;
      height:1px;
      background:linear-gradient(90deg, var(--brand), transparent);
    }
    .section-title{
      font-size:clamp(1.6rem, 2vw, 2.35rem);
      line-height:1.16;
      color:#fff;
      font-weight:800;
      letter-spacing:-.02em;
    }
    .section-desc{
      color:var(--muted);
      max-width:68ch;
    }
    .panel{
      border-radius:var(--radius);
      border:1px solid var(--line);
      background:linear-gradient(180deg, rgba(15,23,42,.9), rgba(15,23,42,.66));
      box-shadow:var(--shadow);
      backdrop-filter:blur(18px);
      -webkit-backdrop-filter:blur(18px);
    }
    .card{
      border-radius:20px;
      border:1px solid var(--line);
      background:linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.03));
      box-shadow:0 12px 30px rgba(2,6,23,.16);
      transition:transform .22s ease, border-color .22s ease, box-shadow .22s ease, background .22s ease;
    }
    .card:hover{
      transform:translateY(-3px);
      border-color:rgba(245,158,11,.28);
      box-shadow:0 18px 36px rgba(2,6,23,.24);
    }
    .tag{
      display:inline-flex;
      align-items:center;
      gap:.35rem;
      padding:.32rem .65rem;
      border-radius:999px;
      background:rgba(245,158,11,.12);
      border:1px solid rgba(245,158,11,.18);
      color:#fcd34d;
      font-size:.78rem;
      line-height:1;
    }
    .tag-muted{
      background:rgba(148,163,184,.1);
      border-color:rgba(148,163,184,.16);
      color:#cbd5e1;
    }
    .metric{
      padding:1rem 1rem 1.05rem;
      border-radius:18px;
      border:1px solid rgba(148,163,184,.16);
      background:rgba(255,255,255,.04);
    }
    .metric-number{
      display:block;
      font-size:1.35rem;
      line-height:1;
      font-weight:800;
      color:#fff;
      margin-bottom:.45rem;
    }
    .metric-label{
      color:var(--muted);
      font-size:.9rem;
    }
    .rank-list{
      display:grid;
      gap:.8rem;
    }
    .rank-item{
      display:flex;
      gap:.85rem;
      align-items:flex-start;
      padding:.9rem 1rem;
      border-radius:18px;
      border:1px solid rgba(148,163,184,.14);
      background:rgba(255,255,255,.04);
      transition:transform .2s ease, border-color .2s ease, background .2s ease;
    }
    .rank-item:hover{
      transform:translateX(3px);
      background:rgba(255,255,255,.06);
      border-color:rgba(245,158,11,.24);
    }
    .rank-index{
      width:2rem;
      height:2rem;
      flex:0 0 auto;
      border-radius:999px;
      display:grid;
      place-items:center;
      background:linear-gradient(135deg, rgba(245,158,11,.18), rgba(251,113,133,.18));
      color:#fff;
      font-weight:800;
      border:1px solid rgba(245,158,11,.2);
    }
    .rank-title{
      font-weight:700;
      color:#fff;
      line-height:1.35;
    }
    .rank-meta{
      color:var(--muted);
      font-size:.86rem;
    }
    .step{
      position:relative;
      padding:1rem 1rem 1rem 1.05rem;
      border-left:1px solid rgba(148,163,184,.2);
    }
    .step::before{
      content:"";
      position:absolute;
      left:-.4rem;
      top:1.15rem;
      width:.75rem;
      height:.75rem;
      border-radius:999px;
      background:linear-gradient(135deg, var(--brand), var(--brand-2));
      box-shadow:0 0 0 5px rgba(245,158,11,.12);
    }
    .faq details{
      border-radius:18px;
      border:1px solid rgba(148,163,184,.16);
      background:rgba(255,255,255,.04);
      overflow:hidden;
      transition:border-color .2s ease, background .2s ease, transform .2s ease;
    }
    .faq details[open]{
      border-color:rgba(245,158,11,.28);
      background:rgba(255,255,255,.05);
    }
    .faq summary{
      list-style:none;
      cursor:pointer;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:1rem;
      padding:1rem 1.1rem;
      font-weight:700;
      color:#fff;
    }
    .faq summary::-webkit-details-marker{display:none}
    .faq summary::after{
      content:"+";
      color:#f8fafc;
      font-size:1.25rem;
      line-height:1;
      transition:transform .2s ease;
    }
    .faq details[open] summary::after{
      content:"–";
      transform:translateY(-1px);
    }
    .faq .faq-body{
      padding:0 1.1rem 1rem;
      color:var(--muted-2);
      border-top:1px solid rgba(148,163,184,.12);
    }
    footer{
      position:relative;
      margin-top:2rem;
      border-top:1px solid rgba(148,163,184,.12);
      background:rgba(3, 7, 18, .82);
      backdrop-filter:blur(16px);
      -webkit-backdrop-filter:blur(16px);
    }
    .footer-top{
      display:flex;
      gap:2rem;
      justify-content:space-between;
      align-items:flex-start;
      padding:2rem 0 1.2rem;
    }
    .footer-brand{
      max-width:40rem;
    }
    .footer-brand p{
      color:var(--muted);
      margin:.9rem 0 0;
    }
    .footer-links{
      display:flex;
      flex-wrap:wrap;
      gap:.8rem 1rem;
      justify-content:flex-end;
      align-items:center;
      padding-top:.35rem;
    }
    .footer-links a{
      color:#dbe4ef;
      opacity:.9;
    }
    .footer-links a:hover{
      color:#fff;
      opacity:1;
      text-decoration:underline;
      text-underline-offset:.25rem;
    }
    .copyright{
      padding:1rem 0 1.7rem;
      color:var(--muted);
      border-top:1px solid rgba(148,163,184,.1);
      font-size:.94rem;
    }
    .soft-divider{
      height:1px;
      background:linear-gradient(90deg, transparent, rgba(148,163,184,.22), transparent);
    }
    .focus-ring:focus-visible{
      outline:none;
      box-shadow:0 0 0 3px rgba(245,158,11,.24), 0 0 0 6px rgba(15,23,42,.72);
    }
    @media (max-width: 1024px){
      .footer-top{flex-direction:column}
      .footer-links{justify-content:flex-start}
    }
    @media (max-width: 768px){
      .brand-text{font-size:.96rem}
      .search-shell{min-width:100%; order:3}
      .header-row{flex-wrap:wrap}
      .nav-links{padding-bottom:.15rem}
      .section-title{font-size:clamp(1.45rem, 6vw, 2.15rem)}
    }
    @media (max-width: 520px){
      .brand{gap:.65rem}
      .brand-mark{width:2.05rem;height:2.05rem}
      .nav-link{padding:.65rem .9rem}
      .btn-primary,.btn-secondary,.search-btn{width:100%}
      .mobile-stack{flex-direction:column}
      .metric{padding:.9rem}
      .faq summary{padding:.92rem 1rem}
    }