/* roulang page: index */
:root{
      --bg:#050508;
      --bg-soft:#0b0b12;
      --panel:rgba(17,17,25,.78);
      --panel-strong:rgba(22,22,32,.94);
      --text:#f5f7fb;
      --muted:#a6adbb;
      --weak:#737b8c;
      --cyan:#25f4d0;
      --pink:#ff3ea5;
      --violet:#8b5cf6;
      --amber:#f7cf5c;
      --line:rgba(255,255,255,.12);
      --line-bright:rgba(37,244,208,.42);
      --shadow:0 26px 90px rgba(0,0,0,.48);
      --shadow-neon:0 0 0 1px rgba(37,244,208,.18),0 20px 60px rgba(37,244,208,.10);
      --radius:22px;
      --radius-lg:30px;
      --container:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      min-height:100vh;
      color:var(--text);
      font-family:Inter,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
      line-height:1.7;
      background:
        radial-gradient(circle at 13% 8%, rgba(255,62,165,.18), transparent 28%),
        radial-gradient(circle at 86% 16%, rgba(37,244,208,.15), transparent 30%),
        linear-gradient(135deg,#050508 0%,#080811 46%,#020205 100%);
      overflow-x:hidden;
    }
    body:before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      z-index:-2;
      background-image:
        linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
      background-size:44px 44px;
      mask-image:linear-gradient(to bottom,rgba(0,0,0,.72),rgba(0,0,0,.12));
    }
    body:after{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      z-index:-1;
      opacity:.18;
      background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 160 160' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(/%23n)' opacity='.55'/%3E%3C/svg%3E");
    }
    a{color:inherit;text-decoration:none;transition:color .22s ease,border-color .22s ease,transform .22s ease,box-shadow .22s ease,background .22s ease}
    img{max-width:100%;display:block}
    button,input,textarea{font:inherit}
    button{cursor:pointer;border:0}
    input,textarea{outline:none}
    :focus-visible{outline:2px solid var(--cyan);outline-offset:4px}
    .container{width:min(var(--container),calc(100% - 40px));margin-inline:auto}
    .site-header{position:sticky;top:14px;z-index:50;padding:10px 0}
    .nav-shell{
      display:flex;align-items:center;justify-content:space-between;gap:18px;
      border:1px solid rgba(255,255,255,.12);
      background:rgba(7,7,12,.74);
      backdrop-filter:blur(18px);
      border-radius:999px;
      padding:10px 12px 10px 18px;
      box-shadow:0 18px 55px rgba(0,0,0,.34);
    }
    .brand{display:flex;align-items:center;gap:10px;font-weight:900;letter-spacing:-.02em;white-space:nowrap}
    .brand-mark{width:34px;height:34px;border-radius:50%;background:linear-gradient(135deg,var(--cyan),var(--pink));box-shadow:0 0 24px rgba(37,244,208,.38);position:relative}
    .brand-mark:after{content:"";position:absolute;inset:9px;border:1px solid rgba(0,0,0,.55);border-radius:50%}
    .nav-links{display:flex;align-items:center;gap:8px;overflow-x:auto;scrollbar-width:none}
    .nav-links::-webkit-scrollbar{display:none}
    .nav-link{padding:9px 15px;border-radius:999px;color:var(--muted);font-size:14px;border:1px solid transparent;white-space:nowrap}
    .nav-link:hover,.nav-link.active{color:#06100e;background:var(--cyan);border-color:rgba(37,244,208,.7);box-shadow:0 0 22px rgba(37,244,208,.28)}
    .nav-cta{padding:10px 18px;border-radius:999px;background:rgba(255,62,165,.12);border:1px solid rgba(255,62,165,.36);color:#ffd6ed;font-weight:800;white-space:nowrap}
    .nav-cta:hover{transform:translateY(-2px);box-shadow:0 0 24px rgba(255,62,165,.24)}
    .section{padding:78px 0;position:relative}
    .section.tight{padding-top:48px}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:22px;margin-bottom:26px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--cyan);font-size:13px;font-weight:900;letter-spacing:.08em;text-transform:uppercase}
    .eyebrow:before{content:"";width:34px;height:2px;background:linear-gradient(90deg,var(--cyan),transparent);border-radius:99px}
    h1,h2,h3{margin:0;line-height:1.08;letter-spacing:-.045em}
    h1{font-size:clamp(40px,7vw,86px);font-weight:1000;max-width:920px}
    h2{font-size:clamp(28px,4vw,48px);font-weight:950}
    h3{font-size:22px;font-weight:900}
    p{margin:0;color:var(--muted)}
    .lead{font-size:clamp(16px,2.1vw,20px);color:#c8ceda;max-width:780px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:46px;padding:12px 19px;border-radius:999px;font-weight:900;border:1px solid rgba(255,255,255,.14);transition:transform .22s ease,box-shadow .22s ease,background .22s ease,border-color .22s ease;color:var(--text)}
    .btn-primary{background:linear-gradient(135deg,var(--cyan),#a5ffe9);color:#03110f;box-shadow:0 14px 38px rgba(37,244,208,.23)}
    .btn-secondary{background:rgba(255,255,255,.04);border-color:rgba(255,255,255,.18)}
    .btn-pink{background:linear-gradient(135deg,var(--pink),var(--violet));color:#fff;box-shadow:0 16px 38px rgba(255,62,165,.22)}
    .btn:hover{transform:translateY(-3px);box-shadow:0 0 0 1px rgba(37,244,208,.28),0 22px 58px rgba(37,244,208,.16)}
    .tag{display:inline-flex;align-items:center;border-radius:999px;padding:7px 11px;border:1px solid rgba(255,255,255,.14);background:rgba(255,255,255,.04);color:#dce1ea;font-size:13px;font-weight:800;white-space:nowrap}
    .tag.active{background:var(--cyan);color:#03110f;border-color:var(--cyan)}
    .card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);backdrop-filter:blur(14px);overflow:hidden;transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease}
    .card:hover{transform:translateY(-6px);border-color:var(--line-bright);box-shadow:var(--shadow-neon)}
    .poster{position:relative;min-height:230px;border-radius:24px;background:linear-gradient(145deg,rgba(37,244,208,.16),rgba(255,62,165,.12) 42%,rgba(139,92,246,.12));overflow:hidden;border:1px solid rgba(255,255,255,.12)}
    .poster:before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 30% 20%,rgba(255,255,255,.18),transparent 24%),linear-gradient(135deg,rgba(255,255,255,.06),transparent 40%)}
    .poster-line{position:absolute;height:3px;border-radius:9px;background:linear-gradient(90deg,var(--cyan),var(--pink));box-shadow:0 0 18px rgba(37,244,208,.35)}
    .input{width:100%;border-radius:16px;border:1px solid rgba(255,255,255,.14);background:rgba(0,0,0,.24);padding:14px 15px;color:#fff;transition:border-color .22s ease,box-shadow .22s ease}
    .input:focus{border-color:rgba(37,244,208,.66);box-shadow:0 0 0 4px rgba(37,244,208,.12)}
    .hero{padding:56px 0 58px}
    .hero-frame{border:1px solid rgba(255,255,255,.12);border-radius:34px;background:linear-gradient(135deg,rgba(255,255,255,.06),rgba(255,255,255,.025));box-shadow:var(--shadow);overflow:hidden;position:relative}
    .hero-frame:after{content:"";position:absolute;inset:auto 28px 0 28px;height:1px;background:linear-gradient(90deg,transparent,var(--cyan),var(--pink),transparent)}
    .cover-card{background:linear-gradient(160deg,#14141f,#08080d 58%,rgba(37,244,208,.10));border-radius:26px;border:1px solid rgba(255,255,255,.14);padding:24px;min-height:430px;position:relative;overflow:hidden}
    .cover-card:before{content:"";position:absolute;right:-70px;top:-70px;width:220px;height:220px;border-radius:50%;background:rgba(255,62,165,.18);filter:blur(8px)}
    .cover-title{font-size:38px;line-height:1.05;font-weight:1000;letter-spacing:-.05em;position:relative}
    .toc-item{display:flex;gap:12px;align-items:flex-start;padding:12px 0;border-bottom:1px solid rgba(255,255,255,.10)}
    .toc-num{width:28px;height:28px;border-radius:9px;display:grid;place-items:center;background:rgba(37,244,208,.15);color:var(--cyan);font-weight:900;flex:none}
    .news-list{display:grid;gap:12px}
    .news-item{display:grid;grid-template-columns:96px 1fr auto;gap:16px;align-items:center;padding:16px;border-radius:20px;border:1px solid rgba(255,255,255,.10);background:rgba(255,255,255,.035)}
    .news-date{color:var(--cyan);font-weight:900;font-size:13px}
    .mini-cover{height:64px;border-radius:14px;background:linear-gradient(135deg,rgba(37,244,208,.18),rgba(255,62,165,.17));border:1px solid rgba(255,255,255,.12)}
    .feature-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:20px}
    .poster-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .poster-card{min-height:280px;padding:22px;display:flex;flex-direction:column;justify-content:space-between;background:linear-gradient(160deg,rgba(255,255,255,.06),rgba(255,255,255,.02));border:1px solid rgba(255,255,255,.12);border-radius:24px;position:relative;overflow:hidden}
    .poster-card.tall{min-height:350px}
    .poster-card:after{content:"";position:absolute;left:18px;right:18px;bottom:0;height:3px;background:linear-gradient(90deg,var(--cyan),var(--pink));border-radius:9px;opacity:.72}
    .metric-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .metric{padding:19px;border-radius:20px;background:rgba(255,255,255,.045);border:1px solid rgba(255,255,255,.10)}
    .metric strong{display:block;font-size:32px;line-height:1;color:#fff;letter-spacing:-.04em}
    .progress-track{height:12px;border-radius:99px;background:rgba(255,255,255,.09);overflow:hidden;border:1px solid rgba(255,255,255,.10)}
    .progress-fill{height:100%;width:78%;border-radius:99px;background:linear-gradient(90deg,var(--cyan),var(--pink));box-shadow:0 0 18px rgba(37,244,208,.35)}
    .step{display:flex;gap:14px;padding:17px;border-radius:18px;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.10)}
    .step-icon{width:34px;height:34px;border-radius:12px;display:grid;place-items:center;background:rgba(37,244,208,.12);color:var(--cyan);font-weight:1000;flex:none}
    .app-stage{display:grid;grid-template-columns:1fr 1fr;gap:20px;align-items:stretch}
    .screen-wall{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .screen-tile{min-height:170px;border-radius:22px;background:linear-gradient(145deg,rgba(37,244,208,.11),rgba(139,92,246,.12));border:1px solid rgba(255,255,255,.12);padding:18px;display:flex;flex-direction:column;justify-content:space-between}
    .faq-item{border:1px solid rgba(255,255,255,.12);border-radius:20px;background:rgba(255,255,255,.04);overflow:hidden}
    .faq-q{width:100%;display:flex;justify-content:space-between;gap:14px;align-items:center;padding:20px;color:#fff;background:transparent;text-align:left;font-weight:900}
    .faq-a{padding:0 20px 20px;color:var(--muted)}
    .pricing{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .price-card{padding:24px;display:flex;flex-direction:column;min-height:380px}
    .price-card.recommended{border-color:rgba(37,244,208,.48);box-shadow:var(--shadow-neon)}
    .price{font-size:38px;font-weight:1000;color:#fff;letter-spacing:-.05em}
    .check-list{display:grid;gap:10px;margin:18px 0;color:#dce1ea}
    .check-list li{list-style:none;display:flex;gap:10px;align-items:flex-start}
    .check-list li:before{content:"✓";color:var(--cyan);font-weight:1000}
    .footer{padding:56px 0 32px;border-top:1px solid rgba(255,255,255,.10);background:rgba(0,0,0,.20)}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:24px}
    .footer a{color:var(--muted)}
    .footer a:hover{color:var(--cyan)}
    .float-cta{position:fixed;left:50%;bottom:18px;transform:translateX(-50%);z-index:40;display:none;gap:10px;align-items:center;padding:10px;border-radius:999px;background:rgba(7,7,12,.82);border:1px solid rgba(255,255,255,.14);backdrop-filter:blur(16px);box-shadow:0 18px 50px rgba(0,0,0,.38)}
    @media (max-width:1024px){
      .feature-grid,.app-stage{grid-template-columns:1fr}
      .poster-grid,.pricing{grid-template-columns:repeat(2,1fr)}
      .metric-strip{grid-template-columns:repeat(2,1fr)}
      .footer-grid{grid-template-columns:1fr 1fr}
      .nav-shell{align-items:flex-start;border-radius:28px;flex-wrap:wrap}
      .nav-links{order:3;width:100%;padding-bottom:2px}
    }
    @media (max-width:768px){
      .container{width:min(100% - 28px,var(--container))}
      .section{padding:58px 0}
      .hero{padding-top:30px}
      .hero-frame{border-radius:26px}
      .section-head{display:block}
      .section-head p{margin-top:12px}
      .poster-grid,.pricing,.footer-grid{grid-template-columns:1fr}
      .news-item{grid-template-columns:1fr;gap:10px}
      .news-item .btn{justify-self:start}
      .nav-cta{display:none}
      .float-cta{display:flex}
      .cover-card{min-height:auto}
      .metric-strip{grid-template-columns:1fr 1fr}
    }
    @media (max-width:520px){
      h1{font-size:36px}
      h2{font-size:28px}
      .brand span{max-width:210px;overflow:hidden;text-overflow:ellipsis}
      .hero-frame .p-6,.hero-frame .p-8{padding:18px!important}
      .screen-wall,.metric-strip{grid-template-columns:1fr}
      .btn{width:100%}
      .float-cta{width:calc(100% - 24px);justify-content:space-between}
      .float-cta .btn{width:auto;flex:1;padding-inline:12px}
    }

/* roulang page: category1 */
:root {
      --bg: #07080d;
      --bg-2: #0d1020;
      --panel: rgba(12, 15, 24, 0.78);
      --panel-2: rgba(18, 23, 38, 0.9);
      --line: rgba(255, 255, 255, 0.08);
      --line-strong: rgba(98, 227, 216, 0.35);
      --text: #f4f7fb;
      --muted: #9aa4b2;
      --muted-2: #748095;
      --cyan: #62e3d8;
      --pink: #ff5da8;
      --violet: #8c6bff;
      --gold: #ffd36b;
      --shadow: 0 20px 60px rgba(0, 0, 0, 0.45);
      --radius: 18px;
    }

    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      color: var(--text);
      background:
        radial-gradient(circle at 20% 15%, rgba(140, 107, 255, 0.16), transparent 24%),
        radial-gradient(circle at 80% 12%, rgba(98, 227, 216, 0.13), transparent 22%),
        radial-gradient(circle at 70% 70%, rgba(255, 93, 168, 0.08), transparent 24%),
        linear-gradient(180deg, #05060a 0%, #090b12 42%, #06070b 100%);
      font-family: Inter, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      line-height: 1.65;
      overflow-x: hidden;
    }
    body::before {
      content: "";
      position: fixed;
      inset: 0;
      pointer-events: none;
      background-image: linear-gradient(rgba(255,255,255,0.028) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.028) 1px, transparent 1px);
      background-size: 64px 64px;
      mask-image: linear-gradient(180deg, rgba(0,0,0,0.55), transparent 90%);
      opacity: 0.45;
      z-index: 0;
    }
    body::after {
      content: "";
      position: fixed;
      inset: 0;
      pointer-events: none;
      background: radial-gradient(circle at 50% 0%, rgba(255,255,255,0.05), transparent 30%);
      opacity: 0.35;
      z-index: 0;
    }
    a { color: inherit; text-decoration: none; }
    img { max-width: 100%; display: block; }
    button, input { font: inherit; }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      padding: 16px 0 0;
      backdrop-filter: blur(16px);
    }
    .nav-shell {
      display: flex;
      align-items: center;
      gap: 14px;
      padding: 12px 14px;
      border: 1px solid rgba(255,255,255,0.08);
      border-radius: 999px;
      background: rgba(8, 10, 16, 0.72);
      box-shadow: 0 18px 48px rgba(0,0,0,0.35);
      position: relative;
      overflow: hidden;
    }
    .nav-shell::after {
      content: "";
      position: absolute;
      inset: 0;
      border-radius: inherit;
      border: 1px solid rgba(98, 227, 216, 0.08);
      pointer-events: none;
    }
    .brand {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      font-weight: 800;
      letter-spacing: 0;
      white-space: nowrap;
      flex: 0 0 auto;
    }
    .brand-mark {
      width: 14px;
      height: 14px;
      border-radius: 999px;
      background: linear-gradient(135deg, var(--cyan), var(--pink));
      box-shadow: 0 0 22px rgba(98, 227, 216, 0.45);
      flex: 0 0 auto;
    }
    .nav-links {
      display: flex;
      align-items: center;
      gap: 8px;
      margin-left: auto;
      margin-right: auto;
      overflow-x: auto;
      scrollbar-width: none;
      -ms-overflow-style: none;
    }
    .nav-links::-webkit-scrollbar { display: none; }
    .nav-link, .nav-cta {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 42px;
      padding: 0 16px;
      border-radius: 999px;
      border: 1px solid transparent;
      transition: transform .18s ease, border-color .18s ease, background-color .18s ease, box-shadow .18s ease, color .18s ease;
      white-space: nowrap;
      flex: 0 0 auto;
    }
    .nav-link {
      color: var(--muted);
      background: rgba(255,255,255,0.03);
    }
    .nav-link:hover, .nav-link:focus-visible {
      color: var(--text);
      border-color: rgba(98, 227, 216, 0.35);
      box-shadow: 0 0 0 1px rgba(98, 227, 216, 0.16) inset;
      transform: translateY(-1px);
      outline: none;
    }
    .nav-link.active {
      color: #041014;
      background: linear-gradient(135deg, var(--cyan), #99f0e9);
      box-shadow: 0 10px 28px rgba(98, 227, 216, 0.32);
    }
    .nav-cta {
      color: #071219;
      background: linear-gradient(135deg, var(--pink), #ff8fc4);
      box-shadow: 0 10px 28px rgba(255, 93, 168, 0.22);
      font-weight: 700;
      flex: 0 0 auto;
    }
    .nav-cta:hover, .nav-cta:focus-visible {
      transform: translateY(-1px);
      box-shadow: 0 14px 34px rgba(255, 93, 168, 0.35);
      outline: none;
    }

    .container {
      width: min(1200px, calc(100% - 32px));
      margin: 0 auto;
      position: relative;
      z-index: 1;
    }

    .hero {
      padding: 28px 0 20px;
    }
    .hero-grid {
      display: grid;
      grid-template-columns: minmax(0, 1.1fr) minmax(340px, 0.9fr);
      gap: 24px;
      align-items: stretch;
    }
    .hero-copy, .hero-aside, .panel, .feature-card, .scenario-card, .case-card, .price-card, .faq-item, .cta-box, .footer {
      background: linear-gradient(180deg, rgba(15, 18, 28, 0.92), rgba(10, 12, 20, 0.82));
      border: 1px solid rgba(255,255,255,0.08);
      box-shadow: var(--shadow);
      border-radius: var(--radius);
    }
    .hero-copy {
      padding: 36px;
      position: relative;
      overflow: hidden;
    }
    .hero-copy::before {
      content: "";
      position: absolute;
      inset: -1px;
      border-radius: inherit;
      border: 1px solid rgba(98, 227, 216, 0.1);
      pointer-events: none;
    }
    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 8px 12px;
      border-radius: 999px;
      background: rgba(98, 227, 216, 0.08);
      color: #b5fff8;
      border: 1px solid rgba(98, 227, 216, 0.18);
      font-size: 13px;
      letter-spacing: 0;
    }
    h1, h2, h3, p { margin: 0; }
    h1 {
      font-size: clamp(2.2rem, 4vw, 4.8rem);
      line-height: 1.02;
      letter-spacing: 0;
      margin-top: 18px;
      font-weight: 900;
    }
    .hero-copy p.lead {
      margin-top: 18px;
      max-width: 42rem;
      color: var(--muted);
      font-size: 1.04rem;
    }
    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 24px;
    }
    .btn-primary, .btn-secondary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 48px;
      padding: 0 18px;
      border-radius: 999px;
      border: 1px solid transparent;
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease, background .18s ease, color .18s ease;
      font-weight: 700;
    }
    .btn-primary {
      color: #071219;
      background: linear-gradient(135deg, var(--cyan), #9ff7f0);
      box-shadow: 0 12px 30px rgba(98, 227, 216, 0.26);
    }
    .btn-secondary {
      color: var(--text);
      background: rgba(255,255,255,0.03);
      border-color: rgba(255,255,255,0.14);
    }
    .btn-primary:hover, .btn-secondary:hover, .btn-primary:focus-visible, .btn-secondary:focus-visible {
      transform: translateY(-2px);
      outline: none;
    }
    .btn-primary:hover, .btn-primary:focus-visible {
      box-shadow: 0 16px 34px rgba(98, 227, 216, 0.34);
    }
    .btn-secondary:hover, .btn-secondary:focus-visible {
      border-color: rgba(255,255,255,0.26);
      box-shadow: 0 14px 30px rgba(0,0,0,0.28);
    }
    .hero-stats {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 12px;
      margin-top: 26px;
    }
    .stat {
      padding: 14px 16px;
      border-radius: 16px;
      background: rgba(255,255,255,0.03);
      border: 1px solid rgba(255,255,255,0.08);
    }
    .stat strong {
      display: block;
      font-size: 1.22rem;
      line-height: 1.1;
      margin-bottom: 6px;
      color: #ffffff;
    }
    .stat span { color: var(--muted); font-size: 0.92rem; }

    .hero-aside {
      padding: 20px;
      display: grid;
      gap: 14px;
    }
    .poster-grid {
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 12px;
    }
    .poster, .poster-stack, .mini-poster {
      border-radius: 18px;
      border: 1px solid rgba(255,255,255,0.08);
      background:
        linear-gradient(150deg, rgba(98, 227, 216, 0.08), rgba(255, 93, 168, 0.04)),
        linear-gradient(180deg, rgba(22, 25, 38, 0.96), rgba(10, 12, 20, 0.92));
      position: relative;
      overflow: hidden;
    }
    .poster {
      min-height: 220px;
      padding: 18px;
    }
    .poster::after, .mini-poster::after {
      content: "";
      position: absolute;
      inset: auto 14px 14px 14px;
      height: 2px;
      background: linear-gradient(90deg, transparent, var(--cyan), var(--pink), transparent);
      opacity: 0.85;
    }
    .poster h2, .mini-poster h3 {
      font-size: 1.2rem;
      font-weight: 800;
      line-height: 1.15;
    }
    .poster p, .mini-poster p, .panel p, .feature-card p, .scenario-card p, .case-card p, .price-card p, .faq-content p, .footer p, .footer a {
      color: var(--muted);
    }
    .tag-row {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-top: 14px;
    }
    .tag {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      min-height: 30px;
      padding: 0 12px;
      border-radius: 999px;
      background: rgba(255,255,255,0.04);
      border: 1px solid rgba(255,255,255,0.08);
      color: #dce4ef;
      font-size: 12px;
      white-space: nowrap;
    }
    .tag.active {
      background: rgba(98, 227, 216, 0.14);
      border-color: rgba(98, 227, 216, 0.32);
      color: #c6fffb;
    }
    .poster-stack {
      min-height: 220px;
      display: grid;
      gap: 10px;
      padding: 14px;
    }
    .poster-stack .stack-item {
      min-height: 63px;
      padding: 14px;
      border-radius: 14px;
      background: rgba(255,255,255,0.03);
      border: 1px solid rgba(255,255,255,0.06);
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
    }
    .stack-item strong { display: block; }
    .stack-item span { color: var(--muted-2); font-size: 12px; }
    .mini-poster {
      min-height: 120px;
      padding: 16px;
    }
    .hero-note {
      padding: 14px 16px;
      border-radius: 16px;
      background: rgba(98, 227, 216, 0.08);
      border: 1px solid rgba(98, 227, 216, 0.16);
      color: #d8fffb;
      font-size: 0.94rem;
    }

    main { padding: 12px 0 40px; }
    .section {
      margin-top: 22px;
      padding: 26px;
      border-radius: 24px;
      border: 1px solid rgba(255,255,255,0.06);
      background: linear-gradient(180deg, rgba(10, 12, 18, 0.88), rgba(7, 8, 13, 0.9));
      box-shadow: var(--shadow);
      position: relative;
      overflow: hidden;
    }
    .section::before {
      content: "";
      position: absolute;
      inset: 0;
      pointer-events: none;
      background: linear-gradient(120deg, transparent, rgba(98, 227, 216, 0.03), transparent);
      opacity: 0.8;
    }
    .section-head {
      display: flex;
      align-items: end;
      justify-content: space-between;
      gap: 16px;
      margin-bottom: 18px;
      position: relative;
      z-index: 1;
    }
    .section-head h2 {
      font-size: clamp(1.35rem, 2vw, 2rem);
      font-weight: 850;
      line-height: 1.15;
    }
    .section-head p {
      max-width: 46rem;
      color: var(--muted);
      font-size: 0.98rem;
    }
    .section-line {
      width: 84px;
      height: 2px;
      border-radius: 999px;
      background: linear-gradient(90deg, var(--cyan), var(--pink));
      box-shadow: 0 0 18px rgba(98, 227, 216, 0.5);
      margin-top: 10px;
    }

    .feature-grid {
      display: grid;
      grid-template-columns: repeat(12, minmax(0, 1fr));
      gap: 16px;
    }
    .feature-card {
      padding: 22px;
      grid-column: span 4;
      min-height: 220px;
      transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease;
    }
    .feature-card:hover {
      transform: translateY(-3px);
      border-color: rgba(98, 227, 216, 0.28);
      box-shadow: 0 18px 42px rgba(0,0,0,0.38), 0 0 0 1px rgba(98, 227, 216, 0.06) inset;
    }
    .feature-card h3, .scenario-card h3, .case-card h3, .price-card h3, .faq-item h3 {
      font-size: 1.05rem;
      font-weight: 800;
      line-height: 1.25;
      margin-bottom: 10px;
    }
    .feature-meta {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      margin-top: 18px;
      color: #dce4ef;
      font-size: 0.92rem;
    }
    .metric {
      font-size: 1.6rem;
      font-weight: 900;
      color: #fff;
    }

    .scenario-grid {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 16px;
    }
    .scenario-card {
      padding: 18px;
      min-height: 260px;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }
    .scenario-image {
      aspect-ratio: 16 / 9;
      border-radius: 14px;
      border: 1px solid rgba(255,255,255,0.08);
      background:
        linear-gradient(135deg, rgba(98, 227, 216, 0.18), rgba(255, 93, 168, 0.12)),
        radial-gradient(circle at 30% 30%, rgba(255,255,255,0.15), transparent 38%),
        linear-gradient(180deg, rgba(18,22,35,0.96), rgba(8,10,16,0.96));
      position: relative;
      overflow: hidden;
    }
    .scenario-image::after {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(120deg, transparent, rgba(255,255,255,0.1), transparent);
      transform: translateX(-60%);
      animation: sweep 7s linear infinite;
      opacity: 0.3;
    }
    @keyframes sweep {
      0% { transform: translateX(-70%); }
      100% { transform: translateX(70%); }
    }
    .scenario-card .footer-row {
      margin-top: auto;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
    }
    .ghost-link {
      color: #c8f7f3;
      font-weight: 700;
      white-space: nowrap;
    }

    .case-grid {
      display: grid;
      grid-template-columns: 1.2fr 0.8fr 1fr;
      gap: 16px;
    }
    .case-card {
      padding: 22px;
      min-height: 250px;
    }
    .case-card.highlight {
      background: linear-gradient(180deg, rgba(98, 227, 216, 0.09), rgba(10, 12, 20, 0.84));
      border-color: rgba(98, 227, 216, 0.18);
    }
    .quote {
      font-size: 1.08rem;
      line-height: 1.8;
      color: #eef3f8;
      margin-top: 14px;
    }
    .split-stats {
      display: grid;
      gap: 12px;
      margin-top: 14px;
    }
    .split-stat {
      padding: 14px;
      border-radius: 14px;
      background: rgba(255,255,255,0.03);
      border: 1px solid rgba(255,255,255,0.07);
    }
    .split-stat strong {
      display: block;
      font-size: 1.4rem;
      font-weight: 900;
      margin-bottom: 4px;
    }

    .pricing-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 16px;
      align-items: stretch;
    }
    .price-card {
      padding: 22px;
      min-height: 320px;
      display: flex;
      flex-direction: column;
      gap: 14px;
      position: relative;
    }
    .price-card.recommended {
      transform: translateY(-6px);
      border-color: rgba(255, 93, 168, 0.25);
      box-shadow: 0 20px 52px rgba(255, 93, 168, 0.12), var(--shadow);
    }
    .price-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      align-self: flex-start;
      padding: 7px 11px;
      border-radius: 999px;
      background: rgba(255, 93, 168, 0.12);
      border: 1px solid rgba(255, 93, 168, 0.24);
      color: #ffd1e7;
      font-size: 12px;
      font-weight: 700;
    }
    .price-figure {
      font-size: 2.2rem;
      line-height: 1;
      font-weight: 900;
      margin-top: 4px;
    }
    .price-figure small { font-size: 1rem; color: var(--muted); font-weight: 600; }
    .benefits {
      display: grid;
      gap: 8px;
      margin-top: 4px;
      flex: 1 1 auto;
    }
    .benefit {
      display: flex;
      gap: 10px;
      color: #dce4ef;
      align-items: flex-start;
    }
    .benefit::before {
      content: "";
      width: 8px;
      height: 8px;
      margin-top: 8px;
      border-radius: 999px;
      background: linear-gradient(135deg, var(--cyan), var(--pink));
      box-shadow: 0 0 12px rgba(98, 227, 216, 0.5);
      flex: 0 0 auto;
    }

    .faq-wrap {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 16px;
    }
    .faq-item {
      padding: 20px;
    }
    .faq-item summary {
      list-style: none;
      cursor: pointer;
    }
    .faq-item summary::-webkit-details-marker { display: none; }
    .faq-item summary h3 {
      margin: 0;
      padding-right: 18px;
      position: relative;
    }
    .faq-item summary h3::after {
      content: "+";
      position: absolute;
      right: 0;
      top: 0;
      color: var(--cyan);
      transition: transform .2s ease;
    }
    .faq-item[open] summary h3::after { transform: rotate(45deg); }
    .faq-content { padding-top: 12px; }

    .cta-box {
      margin-top: 22px;
      padding: 26px;
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      gap: 18px;
      align-items: center;
      background: linear-gradient(135deg, rgba(98, 227, 216, 0.08), rgba(255, 93, 168, 0.08));
    }
    .cta-box h2 {
      font-size: 1.5rem;
      font-weight: 850;
      line-height: 1.2;
    }
    .cta-box p { margin-top: 8px; max-width: 46rem; }

    .footer {
      margin: 22px 0 28px;
      padding: 26px;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.2fr 0.8fr 0.8fr 0.9fr;
      gap: 18px;
    }
    .footer h3 {
      font-size: 1rem;
      font-weight: 800;
      margin-bottom: 12px;
    }
    .footer a:hover, .footer a:focus-visible {
      color: #fff;
      outline: none;
    }
    .footer .brand { margin-bottom: 12px; display: inline-flex; }
    .footer p { font-size: 0.96rem; }
    .footer .grid-links {
      display: grid;
      gap: 8px;
    }

    @media (max-width: 1100px) {
      .hero-grid, .case-grid { grid-template-columns: 1fr; }
      .feature-card { grid-column: span 6; }
      .scenario-grid, .pricing-grid, .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
      .faq-wrap { grid-template-columns: 1fr; }
      .cta-box { grid-template-columns: 1fr; }
    }
    @media (max-width: 768px) {
      .site-header { padding-top: 10px; }
      .nav-shell { border-radius: 24px; padding: 10px 12px; gap: 10px; }
      .brand span:last-child { font-size: 0.95rem; }
      .container { width: min(100% - 20px, 1200px); }
      .hero-copy, .section, .footer { padding: 18px; }
      .hero-stats { grid-template-columns: 1fr; }
      .poster-grid { grid-template-columns: 1fr; }
      .feature-card, .scenario-grid, .pricing-grid, .footer-grid { grid-template-columns: 1fr; }
      .feature-card { grid-column: span 12; }
      .hero-actions, .section-head, .cta-box { gap: 14px; }
      .section-head { flex-direction: column; align-items: flex-start; }
      h1 { font-size: 2.25rem; }
    }
    @media (max-width: 520px) {
      .nav-shell { padding: 8px 10px; }
      .nav-link, .nav-cta { min-height: 38px; padding: 0 12px; font-size: 0.92rem; }
      .hero-copy p.lead, .section-head p, .footer p, .faq-content p { font-size: 0.95rem; }
      .hero-actions { flex-direction: column; }
      .btn-primary, .btn-secondary { width: 100%; }
      .hero-copy { padding: 18px 16px; }
      h1 { font-size: 2rem; }
    }