/* roulang page: index */
:root{
      --bg:#F7F1E8;
      --surface:#FBF7F0;
      --surface-strong:#fffaf2;
      --ink:#161412;
      --muted:#8A8178;
      --rouge:#8A3F32;
      --wood:#6E3028;
      --amber:#D79A45;
      --champagne:#E8C27A;
      --border:rgba(22,20,18,.09);
      --border-strong:rgba(138,63,50,.22);
      --shadow:0 24px 80px rgba(80,45,30,.10);
      --shadow-hover:0 30px 90px rgba(80,45,30,.16);
      --radius-xl:28px;
      --radius-lg:22px;
      --side:96px;
      --font:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:var(--font);
      color:var(--ink);
      background:
        radial-gradient(circle at 78% 0%, rgba(232,194,122,.34), transparent 34rem),
        radial-gradient(circle at 12% 18%, rgba(138,63,50,.12), transparent 28rem),
        linear-gradient(180deg,var(--bg),#f4eadf 58%,#15110f 100%);
      line-height:1.75;
      text-rendering:optimizeLegibility;
      -webkit-font-smoothing:antialiased;
    }
    a{color:inherit;text-decoration:none}
    button,input,textarea{font:inherit}
    button,a,input{transition:background .22s ease,border-color .22s ease,color .22s ease,transform .22s ease,box-shadow .22s ease}
    button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible{
      outline:3px solid rgba(215,154,69,.45);
      outline-offset:4px;
    }
    .page-shell{min-height:100vh}
    .site-container{width:min(1180px,calc(100% - 40px));margin-inline:auto}
    .desktop-rail{
      position:fixed;inset:0 auto 0 0;width:var(--side);z-index:50;
      background:rgba(251,247,240,.86);backdrop-filter:blur(18px);
      border-right:1px solid var(--border);
      display:flex;flex-direction:column;align-items:center;justify-content:space-between;
      padding:22px 14px;
    }
    .rail-logo{
      writing-mode:vertical-rl;letter-spacing:.16em;font-weight:900;font-size:14px;
      display:flex;align-items:center;gap:10px;color:var(--wood);
    }
    .rail-mark,.mobile-mark{
      width:42px;height:42px;border-radius:16px;
      background:linear-gradient(135deg,var(--wood),var(--rouge) 54%,var(--amber));
      box-shadow:0 14px 32px rgba(110,48,40,.25);
      position:relative;display:grid;place-items:center;color:#fff;font-weight:900;
    }
    .rail-mark:after,.mobile-mark:after{
      content:"";position:absolute;inset:8px;border:1px solid rgba(255,255,255,.55);border-radius:12px;
    }
    .rail-nav{display:flex;flex-direction:column;gap:14px;width:100%;align-items:center}
    .rail-link{
      width:68px;min-height:64px;border-radius:24px;
      display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;
      font-size:12px;color:var(--muted);border:1px solid transparent;position:relative;
    }
    .rail-link .icon{font-size:18px;line-height:1}
    .rail-link:hover{background:#fff8ee;border-color:var(--border-strong);color:var(--wood);transform:translateY(-2px)}
    .rail-link.active{background:#fff4e2;color:var(--wood);box-shadow:0 12px 30px rgba(138,63,50,.12)}
    .rail-link.active:before{content:"";position:absolute;left:-14px;width:4px;height:28px;border-radius:999px;background:var(--amber)}
    .rail-bottom{display:flex;flex-direction:column;align-items:center;gap:12px}
    .age-dot{
      width:54px;height:54px;border-radius:20px;border:1px solid var(--border-strong);
      display:grid;place-items:center;font-weight:900;color:var(--wood);background:#fff9ef;
    }
    .mobile-header{
      display:none;position:sticky;top:0;z-index:60;height:64px;padding:0 16px;
      background:rgba(251,247,240,.92);backdrop-filter:blur(18px);
      border-bottom:1px solid var(--border);align-items:center;justify-content:space-between;
    }
    .mobile-brand{display:flex;align-items:center;gap:10px;font-weight:900;color:var(--wood)}
    .menu-toggle{
      width:44px;height:44px;border-radius:16px;border:1px solid var(--border);
      background:#fff8ef;display:grid;place-items:center;color:var(--wood);
    }
    .mobile-panel{
      display:none;position:fixed;top:64px;left:12px;right:12px;z-index:59;
      background:#fff9ef;border:1px solid var(--border);border-radius:24px;
      box-shadow:var(--shadow);padding:12px;
    }
    .mobile-panel.open{display:block}
    .mobile-panel a{
      display:flex;align-items:center;justify-content:space-between;
      padding:16px 18px;border-radius:18px;color:var(--ink);font-weight:800;
    }
    .mobile-panel a.active,.mobile-panel a:hover{background:#f1dfc8;color:var(--wood)}
    .content-wrap{padding-left:var(--side)}
    .section{padding:88px 0;position:relative}
    .section-title{font-size:clamp(2rem,4vw,3.75rem);line-height:1.08;font-weight:900;letter-spacing:-.05em;color:var(--ink)}
    .section-lead{margin-top:16px;max-width:720px;color:var(--muted);font-size:17px;line-height:2}
    .eyebrow{
      display:inline-flex;align-items:center;gap:8px;padding:8px 13px;border-radius:999px;
      background:rgba(138,63,50,.08);border:1px solid rgba(138,63,50,.14);
      color:var(--wood);font-size:13px;font-weight:800;
    }
    .pulse{
      width:8px;height:8px;border-radius:50%;background:var(--amber);
      box-shadow:0 0 0 0 rgba(215,154,69,.6);animation:pulse 2.2s infinite;
    }
    @keyframes pulse{70%{box-shadow:0 0 0 12px rgba(215,154,69,0)}100%{box-shadow:0 0 0 0 rgba(215,154,69,0)}}
    .hero{
      min-height:calc(100vh - 0px);display:flex;align-items:center;padding-top:64px;padding-bottom:64px;
    }
    .hero-card{
      border:1px solid var(--border);border-radius:36px;background:rgba(251,247,240,.82);
      box-shadow:var(--shadow);overflow:hidden;position:relative;
    }
    .hero-card:before{
      content:"";position:absolute;inset:0;pointer-events:none;opacity:.6;
      background-image:radial-gradient(rgba(22,20,18,.08) 1px, transparent 1px);
      background-size:18px 18px;mask-image:linear-gradient(90deg,transparent,black 15%,black 85%,transparent);
    }
    .hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:0;position:relative}
    .hero-copy{padding:56px}
    h1{font-size:clamp(2.65rem,6vw,6.5rem);line-height:1.03;letter-spacing:-.075em;font-weight:1000;margin:0}
    .hero-intro{margin-top:24px;max-width:660px;font-size:18px;line-height:2;color:#5f554d}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:10px;
      min-height:50px;padding:0 22px;border-radius:999px;font-weight:900;border:1px solid transparent;
      cursor:pointer;white-space:nowrap;
    }
    .btn-primary{background:var(--wood);color:#fff8ec;box-shadow:0 16px 38px rgba(110,48,40,.25)}
    .btn-primary:hover{transform:translateY(-3px);box-shadow:0 22px 48px rgba(110,48,40,.34);background:#57231e}
    .btn-secondary{background:rgba(255,250,242,.55);border-color:var(--border-strong);color:var(--wood)}
    .btn-secondary:hover{transform:translateY(-3px);background:#fff7e7;border-color:rgba(215,154,69,.55)}
    .data-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
    .data-pill{
      padding:10px 14px;border-radius:18px;background:rgba(255,255,255,.52);
      border:1px solid var(--border);font-size:13px;color:#6c5e53;font-weight:800;
    }
    .whitepaper{
      min-height:100%;background:linear-gradient(135deg,#221915,#15110f);
      padding:34px;border-left:1px solid rgba(255,255,255,.08);color:#fff8ec;
      display:flex;flex-direction:column;justify-content:center;
    }
    .paper-cover{
      border-radius:30px;background:
        linear-gradient(145deg,rgba(232,194,122,.18),rgba(138,63,50,.2)),
        #211815;
      border:1px solid rgba(255,255,255,.12);padding:26px;box-shadow:inset 0 1px rgba(255,255,255,.08);
    }
    .paper-lines{display:grid;gap:10px;margin:22px 0}
    .paper-line{height:10px;border-radius:999px;background:rgba(255,248,236,.16)}
    .paper-line:nth-child(2){width:82%}.paper-line:nth-child(3){width:64%}
    .toc-list{display:grid;gap:10px}
    .toc-item{
      display:flex;justify-content:space-between;gap:16px;padding:13px 14px;border-radius:16px;
      background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.09);color:rgba(255,248,236,.78);font-size:14px;
    }
    .card{
      border:1px solid var(--border);background:rgba(251,247,240,.78);
      border-radius:var(--radius-xl);box-shadow:var(--shadow);padding:28px;
    }
    .card:hover{transform:translateY(-5px);border-color:rgba(215,154,69,.45);box-shadow:var(--shadow-hover)}
    .feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:34px;align-items:start}
    .feature-card:nth-child(2){margin-top:26px;background:#1b1512;color:#fff8ec;border-color:rgba(255,255,255,.12)}
    .feature-card:nth-child(2) p,.feature-card:nth-child(2) .tag{color:rgba(255,248,236,.72)}
    .num{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:42px;font-weight:900;color:var(--amber);line-height:1}
    .tag{
      display:inline-flex;align-items:center;gap:6px;padding:7px 11px;border-radius:999px;
      background:rgba(215,154,69,.12);color:var(--wood);font-size:12px;font-weight:900;border:1px solid rgba(215,154,69,.24)
    }
    .scenario-grid{display:grid;grid-template-columns:7fr 5fr;gap:24px;margin-top:34px}
    .panel-dark{
      background:#15110f;color:#fff8ec;border-radius:34px;padding:34px;border:1px solid rgba(255,255,255,.1);
      box-shadow:0 30px 90px rgba(22,20,18,.22);
    }
    .step-list{display:grid;gap:14px;margin-top:24px}
    .step{
      display:grid;grid-template-columns:auto 1fr auto;gap:14px;align-items:center;
      padding:15px;border-radius:20px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);
    }
    .step-no{width:34px;height:34px;border-radius:13px;background:rgba(215,154,69,.18);display:grid;place-items:center;color:var(--champagne);font-weight:900}
    .progress{height:8px;border-radius:999px;background:rgba(255,255,255,.12);overflow:hidden}
    .progress span{display:block;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--amber),var(--champagne),var(--amber));background-size:200% 100%;animation:shimmer 4s linear infinite}
    @keyframes shimmer{to{background-position:200% 0}}
    .filter-box{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
    .chip{
      padding:10px 14px;border-radius:999px;background:#fff9ef;border:1px solid var(--border);
      color:#6e6258;font-size:13px;font-weight:800;
    }
    .chip.active,.chip:hover{background:#efe0cb;border-color:rgba(215,154,69,.5);color:var(--wood)}
    .trust-layout{display:grid;grid-template-columns:1.3fr .7fr;gap:22px;margin-top:34px}
    .quote-card{
      background:linear-gradient(135deg,#1d1613,#15110f);color:#fff8ec;border-radius:34px;padding:34px;
      border:1px solid rgba(255,255,255,.1);box-shadow:0 26px 80px rgba(22,20,18,.2)
    }
    .mini-stack{display:grid;gap:22px}
    .metric{font-size:34px;font-weight:1000;color:var(--amber);line-height:1}
    .news-layout{display:grid;grid-template-columns:1.25fr .75fr;gap:24px;margin-top:34px}
    .news-list{display:grid;gap:12px}
    .news-item{
      display:grid;grid-template-columns:auto 1fr auto;gap:14px;align-items:center;
      padding:18px;border-radius:22px;background:rgba(251,247,240,.74);border:1px solid var(--border);
    }
    .news-item:hover{border-color:rgba(215,154,69,.45);background:#fff8ed;transform:translateX(4px)}
    .date-badge{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--wood);font-weight:900;font-size:13px}
    .media-scroll{display:flex;gap:14px;overflow-x:auto;padding-bottom:10px;scrollbar-color:var(--amber) transparent}
    .media-card{min-width:230px;border-radius:24px;background:#fff9ef;border:1px solid var(--border);padding:20px}
    .faq-wrap{display:grid;grid-template-columns:.8fr 1.2fr;gap:24px;margin-top:34px}
    .faq-list{display:grid;gap:12px}
    .faq-item{border:1px solid var(--border);border-radius:22px;background:rgba(251,247,240,.78);overflow:hidden}
    .faq-question{
      width:100%;padding:18px 20px;background:transparent;border:0;display:flex;justify-content:space-between;gap:16px;
      color:var(--ink);font-weight:900;text-align:left;cursor:pointer;
    }
    .faq-answer{display:none;padding:0 20px 20px;color:var(--muted);line-height:1.9}
    .faq-item.open{border-color:rgba(215,154,69,.45);background:#fff8ed}
    .faq-item.open .faq-answer{display:block}
    .lead-section{padding-bottom:128px}
    .lead-card{
      display:grid;grid-template-columns:1fr .95fr;gap:30px;align-items:stretch;
      border-radius:38px;background:linear-gradient(135deg,#241a16,#15110f);color:#fff8ec;padding:34px;
      border:1px solid rgba(255,255,255,.12);box-shadow:0 30px 90px rgba(22,20,18,.24);
    }
    .lead-form{
      background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);border-radius:28px;padding:24px;display:grid;gap:14px;
    }
    .field{display:grid;gap:8px}
    .field label{font-size:13px;font-weight:900;color:rgba(255,248,236,.78)}
    .field input{
      width:100%;height:50px;border-radius:18px;border:1px solid rgba(255,255,255,.14);
      background:rgba(255,248,236,.08);color:#fff8ec;padding:0 16px;
    }
    .field input::placeholder{color:rgba(255,248,236,.42)}
    .field input:focus{border-color:rgba(215,154,69,.7);box-shadow:0 0 0 4px rgba(215,154,69,.12);outline:0}
    .site-footer{
      background:#15110f;color:rgba(255,248,236,.68);padding:56px 0 96px;border-top:1px solid rgba(255,255,255,.08);
    }
    .footer-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:28px}
    .footer-brand{font-size:22px;font-weight:1000;color:#fff8ec}
    .footer-links{display:grid;gap:10px}
    .footer-links a:hover{color:var(--champagne)}
    .fixed-cta{
      position:fixed;left:var(--side);right:0;bottom:0;z-index:45;
      background:rgba(251,247,240,.92);backdrop-filter:blur(18px);
      border-top:1px solid var(--border);padding:12px 24px;
    }
    .fixed-inner{width:min(1180px,100%);margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:18px}
    .fixed-copy{font-weight:900;color:var(--ink)}
    @media (prefers-reduced-motion:reduce){
      *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;scroll-behavior:auto!important;transition:none!important}
    }
    @media (max-width:1024px){
      .desktop-rail{display:none}
      .mobile-header{display:flex}
      .content-wrap{padding-left:0}
      .hero{min-height:auto;padding-top:34px}
      .hero-grid,.scenario-grid,.trust-layout,.news-layout,.faq-wrap,.lead-card,.footer-grid{grid-template-columns:1fr}
      .whitepaper{border-left:0}
      .feature-grid{grid-template-columns:1fr 1fr}
      .feature-card:nth-child(2){margin-top:0}
      .fixed-cta{left:0}
    }
    @media (max-width:768px){
      .site-container{width:min(100% - 28px,1180px)}
      .section{padding:62px 0}
      .hero-copy{padding:30px 22px}
      .whitepaper{padding:22px}
      .feature-grid{grid-template-columns:1fr}
      .card,.panel-dark,.quote-card{padding:22px;border-radius:26px}
      .news-item{grid-template-columns:1fr;gap:8px}
      .lead-section{padding-bottom:110px}
      .lead-card{padding:20px;border-radius:30px}
      .fixed-cta{padding:10px 12px}
      .fixed-inner{gap:10px}
      .fixed-copy{display:none}
      .fixed-inner .btn{flex:1;min-height:48px;padding:0 12px;font-size:14px}
      .site-footer{padding-bottom:104px}
    }
    @media (max-width:520px){
      h1{font-size:2.8rem}
      .section-title{font-size:2.15rem}
      .hero-intro,.section-lead{font-size:15px;line-height:1.9}
      .data-row,.hero-copy .flex{flex-direction:column;align-items:stretch}
      .btn{width:100%}
      .step{grid-template-columns:1fr}
      .mobile-brand span{font-size:14px}
    }

/* roulang page: category1 */
:root {
      --bg: #F7F1E8;
      --bg-2: #FBF7F0;
      --ink: #15110F;
      --muted: #8A8178;
      --clay: #8A3F32;
      --walnut: #6E3028;
      --amber: #D79A45;
      --champagne: #E8C27A;
      --border: rgba(21, 17, 15, .08);
      --radius-xl: 28px;
      --radius-lg: 22px;
      --radius-md: 16px;
      --shadow-warm: 0 24px 80px rgba(80, 45, 30, .10);
      --shadow-soft: 0 14px 40px rgba(21, 17, 15, .10);
      --site-rail: 104px;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      background:
        radial-gradient(circle at top left, rgba(215, 154, 69, .14), transparent 25%),
        radial-gradient(circle at right 10% top 20%, rgba(138, 63, 50, .10), transparent 22%),
        linear-gradient(180deg, #F7F1E8 0%, #FBF7F0 100%);
      color: var(--ink);
      font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
      min-height: 100vh;
      overflow-x: hidden;
    }

    body::before {
      content: "";
      position: fixed;
      inset: 0;
      pointer-events: none;
      opacity: .16;
      background-image:
        linear-gradient(rgba(21, 17, 15, .035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(21, 17, 15, .035) 1px, transparent 1px);
      background-size: 32px 32px;
      mask-image: radial-gradient(circle at center, rgba(0, 0, 0, .5), transparent 84%);
    }

    a, button, input, summary {
      -webkit-tap-highlight-color: transparent;
    }

    a {
      color: inherit;
      text-decoration: none;
    }

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

    .site-container {
      width: min(100%, 1280px);
      margin: 0 auto;
      padding-inline: 1.25rem;
    }

    @media (min-width: 768px) {
      .site-container {
        padding-inline: 2rem;
      }
    }

    @media (min-width: 1280px) {
      .site-container {
        padding-inline: 3rem;
      }
    }

    .rail-nav {
      position: fixed;
      inset: 0 auto 0 0;
      width: var(--site-rail);
      background: rgba(251, 247, 240, .92);
      border-right: 1px solid rgba(21, 17, 15, .08);
      backdrop-filter: blur(0);
      z-index: 40;
      display: none;
      padding: 1rem .75rem;
      box-shadow: 2px 0 24px rgba(21, 17, 15, .04);
    }

    @media (min-width: 1024px) {
      .rail-nav {
        display: flex;
        flex-direction: column;
        justify-content: space-between;
      }
    }

    .rail-brand {
      display: flex;
      flex-direction: column;
      gap: .5rem;
      align-items: center;
      text-align: center;
      padding: .5rem .25rem 1.1rem;
    }

    .brand-mark {
      width: 54px;
      height: 54px;
      border-radius: 18px;
      background:
        radial-gradient(circle at 30% 30%, rgba(232, 194, 122, .95), rgba(215, 154, 69, .35) 45%, rgba(138, 63, 50, .20) 70%),
        linear-gradient(180deg, rgba(138, 63, 50, .28), rgba(21, 17, 15, .12));
      border: 1px solid rgba(21, 17, 15, .12);
      box-shadow: 0 16px 30px rgba(80, 45, 30, .12);
      display: grid;
      place-items: center;
      color: var(--ink);
      font-weight: 900;
      letter-spacing: .08em;
      position: relative;
      overflow: hidden;
    }

    .brand-mark::after {
      content: "";
      position: absolute;
      inset: 9px;
      border-radius: 14px;
      border: 1px solid rgba(255, 255, 255, .45);
      opacity: .9;
    }

    .brand-mark span {
      position: relative;
      z-index: 1;
      font-size: 1rem;
    }

    .brand-name {
      font-size: .9rem;
      font-weight: 900;
      line-height: 1.05;
      letter-spacing: -.02em;
    }

    .rail-links {
      display: flex;
      flex-direction: column;
      gap: .45rem;
      align-items: stretch;
      padding-top: .75rem;
    }

    .rail-link {
      position: relative;
      min-height: 62px;
      padding: .75rem .55rem;
      border-radius: 20px;
      display: grid;
      place-items: center;
      gap: .3rem;
      color: rgba(21, 17, 15, .72);
      transition: transform .2s ease, background-color .2s ease, color .2s ease, box-shadow .2s ease;
      border: 1px solid transparent;
    }

    .rail-link .icon {
      font-size: 1.2rem;
      line-height: 1;
      opacity: .84;
    }

    .rail-link span:last-child {
      font-size: .78rem;
      font-weight: 800;
      letter-spacing: -.01em;
    }

    .rail-link:hover,
    .rail-link:focus-visible {
      transform: translateY(-2px);
      background: rgba(247, 241, 232, .95);
      border-color: rgba(215, 154, 69, .25);
      color: var(--ink);
      outline: none;
      box-shadow: 0 16px 34px rgba(80, 45, 30, .08);
    }

    .rail-link.active {
      background: linear-gradient(180deg, rgba(255, 255, 255, .82), rgba(247, 241, 232, .96));
      color: var(--ink);
      box-shadow: inset 3px 0 0 var(--amber);
      border-color: rgba(21, 17, 15, .06);
    }

    .rail-bottom {
      display: grid;
      gap: .75rem;
      padding-top: 1rem;
    }

    .badge-soft {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: .35rem;
      border-radius: 999px;
      padding: .42rem .8rem;
      font-size: .72rem;
      font-weight: 800;
      letter-spacing: .03em;
      color: rgba(109, 48, 40, .96);
      background: rgba(215, 154, 69, .12);
      border: 1px solid rgba(215, 154, 69, .18);
      box-shadow: inset 0 1px 0 rgba(255,255,255,.5);
    }

    .main-shell {
      position: relative;
    }

    .hero-glow {
      position: absolute;
      inset: -120px auto auto -80px;
      width: 360px;
      height: 360px;
      background: radial-gradient(circle, rgba(215, 154, 69, .16), transparent 68%);
      pointer-events: none;
      filter: blur(8px);
    }

    .hero-card {
      position: relative;
      overflow: hidden;
      background:
        linear-gradient(135deg, rgba(255, 255, 255, .84), rgba(251, 247, 240, .96)),
        linear-gradient(180deg, rgba(255,255,255,.60), rgba(255,255,255,.15));
      border: 1px solid rgba(21, 17, 15, .08);
      box-shadow: var(--shadow-warm);
    }

    .hero-card::before {
      content: "";
      position: absolute;
      inset: auto -20% -40% auto;
      width: 320px;
      height: 320px;
      border-radius: 50%;
      border: 1px solid rgba(215, 154, 69, .16);
      transform: rotate(10deg);
    }

    .hero-card::after {
      content: "";
      position: absolute;
      inset: 0;
      background-image: linear-gradient(120deg, transparent 0%, rgba(255,255,255,.34) 18%, transparent 36%);
      transform: translateX(-60%);
      animation: shimmer 9s linear infinite;
      pointer-events: none;
      opacity: .38;
    }

    @keyframes shimmer {
      0% { transform: translateX(-70%); }
      100% { transform: translateX(70%); }
    }

    .chip {
      display: inline-flex;
      align-items: center;
      gap: .4rem;
      padding: .5rem .9rem;
      border-radius: 999px;
      font-size: .76rem;
      font-weight: 800;
      letter-spacing: .02em;
      border: 1px solid rgba(21, 17, 15, .08);
      background: rgba(255,255,255,.75);
      color: rgba(21, 17, 15, .80);
      transition: transform .2s ease, border-color .2s ease, background-color .2s ease;
    }

    .chip:hover,
    .chip:focus-visible {
      transform: translateY(-1px);
      border-color: rgba(215, 154, 69, .28);
      outline: none;
    }

    .chip.active {
      background: rgba(109, 48, 40, .08);
      border-color: rgba(109, 48, 40, .16);
      color: var(--walnut);
      box-shadow: inset 0 0 0 1px rgba(255,255,255,.4);
    }

    .cta-btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: .5rem;
      min-height: 48px;
      padding: .85rem 1.2rem;
      border-radius: 999px;
      font-size: .94rem;
      font-weight: 900;
      transition: transform .2s ease, box-shadow .2s ease, background-color .2s ease, border-color .2s ease, color .2s ease;
      cursor: pointer;
      border: 1px solid transparent;
      will-change: transform;
    }

    .cta-btn:hover,
    .cta-btn:focus-visible {
      transform: translateY(-2px);
      outline: none;
    }

    .cta-btn-primary {
      color: #FBF7F0;
      background: linear-gradient(180deg, var(--walnut), var(--clay));
      box-shadow: 0 18px 36px rgba(110, 48, 40, .20);
    }

    .cta-btn-primary:hover,
    .cta-btn-primary:focus-visible {
      box-shadow: 0 24px 52px rgba(110, 48, 40, .28);
    }

    .cta-btn-secondary {
      color: var(--ink);
      background: rgba(255, 255, 255, .68);
      border-color: rgba(215, 154, 69, .34);
    }

    .cta-btn-secondary:hover,
    .cta-btn-secondary:focus-visible {
      background: rgba(247, 241, 232, .92);
      border-color: rgba(215, 154, 69, .56);
    }

    .stat-card {
      background: rgba(255,255,255,.72);
      border: 1px solid rgba(21, 17, 15, .08);
      border-radius: 22px;
      box-shadow: 0 12px 28px rgba(80,45,30,.06);
      transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
    }

    .stat-card:hover {
      transform: translateY(-3px);
      border-color: rgba(215, 154, 69, .28);
      box-shadow: 0 18px 34px rgba(80,45,30,.10);
    }

    .section-block {
      padding-block: 4.5rem;
    }

    @media (min-width: 768px) {
      .section-block {
        padding-block: 6rem;
      }
    }

    .section-title {
      font-size: clamp(1.8rem, 3vw, 3rem);
      line-height: 1.1;
      letter-spacing: -.04em;
      font-weight: 900;
      color: var(--ink);
    }

    .section-subtitle {
      max-width: 44rem;
      color: rgba(21, 17, 15, .72);
      line-height: 1.9;
      font-size: 1rem;
    }

    .number-badge {
      font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
      letter-spacing: .08em;
      color: var(--amber);
      font-weight: 900;
      font-size: .82rem;
    }

    .feature-card {
      position: relative;
      overflow: hidden;
      background: linear-gradient(180deg, rgba(255,255,255,.88), rgba(251,247,240,.92));
      border: 1px solid rgba(21, 17, 15, .08);
      border-radius: 28px;
      box-shadow: var(--shadow-soft);
      transition: transform .22s ease, border-color .22s ease, box-shadow .22s ease;
    }

    .feature-card:hover {
      transform: translateY(-4px);
      border-color: rgba(215, 154, 69, .28);
      box-shadow: var(--shadow-warm);
    }

    .feature-card.dark {
      background: linear-gradient(180deg, rgba(21, 17, 15, .98), rgba(39, 31, 28, .96));
      color: #FBF7F0;
      border-color: rgba(255,255,255,.08);
    }

    .feature-card .top-line {
      height: 3px;
      width: 100%;
      background: linear-gradient(90deg, rgba(215, 154, 69, .88), rgba(232, 194, 122, .1));
    }

    .feature-card.dark .top-line {
      background: linear-gradient(90deg, rgba(215, 154, 69, .88), rgba(232, 194, 122, .28));
    }

    .flow-line {
      position: relative;
      height: 4px;
      border-radius: 999px;
      background: rgba(21, 17, 15, .06);
      overflow: hidden;
    }

    .flow-line::after {
      content: "";
      position: absolute;
      inset: 0;
      width: 44%;
      background: linear-gradient(90deg, rgba(215, 154, 69, .08), rgba(215, 154, 69, .95), rgba(232, 194, 122, .18));
      border-radius: inherit;
      animation: pulsebar 6.5s ease-in-out infinite;
    }

    @keyframes pulsebar {
      0%, 100% { transform: translateX(-8%); opacity: .86; }
      50% { transform: translateX(88%); opacity: 1; }
    }

    .timeline-step {
      position: relative;
      padding-left: 1.15rem;
      color: rgba(21, 17, 15, .78);
      line-height: 1.8;
    }

    .timeline-step::before {
      content: "";
      position: absolute;
      left: 0;
      top: .72rem;
      width: .52rem;
      height: .52rem;
      border-radius: 999px;
      background: var(--amber);
      box-shadow: 0 0 0 5px rgba(215, 154, 69, .14);
    }

    .demo-tab {
      border: 1px solid rgba(21, 17, 15, .08);
      background: rgba(255, 255, 255, .70);
      color: rgba(21, 17, 15, .72);
      border-radius: 999px;
      padding: .66rem 1rem;
      font-weight: 800;
      font-size: .92rem;
      transition: all .2s ease;
    }

    .demo-tab.active {
      background: linear-gradient(180deg, var(--walnut), var(--clay));
      color: #FBF7F0;
      border-color: transparent;
      box-shadow: 0 14px 28px rgba(110, 48, 40, .18);
    }

    .demo-tab:hover,
    .demo-tab:focus-visible {
      transform: translateY(-1px);
      outline: none;
      border-color: rgba(215, 154, 69, .34);
    }

    .details-card {
      background: rgba(255,255,255,.74);
      border: 1px solid rgba(21,17,15,.08);
      border-radius: 22px;
      box-shadow: 0 12px 32px rgba(80,45,30,.07);
      overflow: hidden;
    }

    details summary {
      list-style: none;
      cursor: pointer;
      padding: 1.1rem 1.1rem 1.05rem;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 1rem;
      font-weight: 800;
      color: var(--ink);
    }

    details summary::-webkit-details-marker {
      display: none;
    }

    details[open] {
      border-color: rgba(215, 154, 69, .26);
      box-shadow: 0 18px 40px rgba(80,45,30,.09);
    }

    .faq-answer {
      padding: 0 1.1rem 1.1rem;
      color: rgba(21, 17, 15, .72);
      line-height: 1.9;
    }

    .site-footer {
      position: relative;
      background: #15110F;
      color: rgba(251, 247, 240, .76);
      border-top: 1px solid rgba(255,255,255,.08);
      margin-top: 2rem;
      padding: 3rem 0 6rem;
    }

    .footer-grid {
      display: grid;
      gap: 2rem;
    }

    @media (min-width: 768px) {
      .footer-grid {
        grid-template-columns: 1.2fr .8fr .9fr;
        gap: 2.25rem;
      }
    }

    .footer-brand {
      font-size: 1.35rem;
      line-height: 1.1;
      font-weight: 900;
      letter-spacing: -.03em;
      color: #FBF7F0;
    }

    .footer-links {
      display: grid;
      gap: .75rem;
    }

    .footer-links a {
      color: rgba(251, 247, 240, .82);
      transition: color .2s ease, transform .2s ease;
    }

    .footer-links a:hover,
    .footer-links a:focus-visible {
      color: #E8C27A;
      transform: translateX(2px);
      outline: none;
    }

    .fixed-cta {
      position: fixed;
      left: 0;
      right: 0;
      bottom: 0;
      z-index: 50;
      background: rgba(251, 247, 240, .96);
      border-top: 1px solid rgba(21, 17, 15, .08);
      box-shadow: 0 -16px 40px rgba(21, 17, 15, .08);
    }

    @media (min-width: 1024px) {
      .fixed-cta {
        left: var(--site-rail);
      }
    }

    .fixed-cta-inner {
      min-height: 72px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 1rem;
      padding-block: .75rem;
    }

    .mobile-menu {
      position: fixed;
      inset: 0;
      z-index: 60;
      background: rgba(21, 17, 15, .58);
      display: none;
    }

    .mobile-menu.open {
      display: block;
    }

    .mobile-menu-panel {
      position: absolute;
      top: 0;
      right: 0;
      width: min(92vw, 380px);
      height: 100%;
      background: linear-gradient(180deg, rgba(251, 247, 240, .98), rgba(247, 241, 232, .98));
      border-left: 1px solid rgba(21,17,15,.08);
      box-shadow: -24px 0 60px rgba(21,17,15,.12);
      padding: 1rem;
      transform: translateX(0);
    }

    .scrollbar-thin::-webkit-scrollbar {
      width: 10px;
      height: 10px;
    }

    .scrollbar-thin::-webkit-scrollbar-track {
      background: rgba(21,17,15,.04);
    }

    .scrollbar-thin::-webkit-scrollbar-thumb {
      background: rgba(138, 63, 50, .22);
      border-radius: 999px;
      border: 2px solid rgba(247,241,232,.95);
    }

    .focus-ring:focus-visible {
      outline: 2px solid rgba(215, 154, 69, .85);
      outline-offset: 2px;
    }

    @media (prefers-reduced-motion: reduce) {
      html {
        scroll-behavior: auto;
      }
      *, *::before, *::after {
        animation-duration: .01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: .01ms !important;
      }
    }