:root{
    --brand:#ff4d2e;
    --brand-2:#ff8a1f;
    --brand-dark:#e23a1c;
    --ink:#1a1d24;
    --ink-2:#3a3f4b;
    --muted:#6b7280;
    --line:#eceef2;
    --bg:#ffffff;
    --bg-soft:#fff7f2;
    --bg-soft2:#fff1ea;
    --radius:18px;
    --shadow:0 10px 30px rgba(255,77,46,.08);
    --shadow-hover:0 18px 44px rgba(255,77,46,.18);
    --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  }
  *{box-sizing:border-box;margin:0;padding:0;}
  html{scroll-behavior:smooth;}
  body{font-family:var(--font);color:var(--ink);background:var(--bg);line-height:1.7;-webkit-font-smoothing:antialiased;}
  img{max-width:100%;height:auto;display:block;}
  a{text-decoration:none;color:inherit;}
  ul{list-style:none;}
  .container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
  section{padding:78px 0;}
  .section-alt{background:var(--bg-soft);}
  .eyebrow{display:inline-block;font-size:13px;font-weight:700;letter-spacing:1px;color:var(--brand);background:var(--bg-soft2);padding:6px 14px;border-radius:999px;margin-bottom:16px;}
  .sec-head{text-align:center;max-width:760px;margin:0 auto 46px;}
  .sec-head h2{font-size:clamp(24px,3.2vw,36px);font-weight:800;letter-spacing:-.5px;line-height:1.3;}
  .sec-head p{color:var(--muted);margin-top:14px;font-size:15px;}
  .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:700;font-size:15px;padding:14px 30px;border-radius:999px;border:none;cursor:pointer;transition:transform .2s,box-shadow .2s,background .2s;white-space:nowrap;}
  .btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;box-shadow:0 8px 22px rgba(255,77,46,.35);}
  .btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(255,77,46,.45);}
  .btn-ghost{background:#fff;color:var(--ink);border:1.5px solid var(--line);}
  .btn-ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px);}
  .btn-line{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.5);}
  .btn-line:hover{background:rgba(255,255,255,.12);transform:translateY(-2px);}

  /* NAV */
  header.site-header{position:sticky;top:0;z-index:200;background:rgba(255,255,255,.92);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);}
  .nav-wrap{display:flex;align-items:center;justify-content:space-between;height:68px;}
  .brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px;}
  .brand img{height:36px;width:auto;}
  .nav-links{display:flex;align-items:center;gap:0;}
  .nav-links a{font-size:14.5px;color:var(--ink-2);padding:8px 12px;border-radius:8px;transition:color .2s,background .2s;position:relative;font-weight:500;}
  .nav-links a:hover{color:var(--brand);}
  .nav-links a::after{content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;background:var(--brand);border-radius:2px;transform:scaleX(0);transition:transform .2s;}
  .nav-links a:hover::after{transform:scaleX(1);}
  .nav-cta{display:flex;align-items:center;gap:10px;}
  .nav-cta .btn{padding:10px 20px;font-size:14px;}
  .hamburger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:8px;}
  .hamburger span{width:24px;height:2.5px;background:var(--ink);border-radius:2px;transition:.3s;}

  /* HERO */
  .hero{position:relative;background:linear-gradient(150deg,#1a0d09 0%,#3a1508 45%,#6b1f08 100%);color:#fff;overflow:hidden;padding:96px 0 90px;}
  .hero::before{content:"";position:absolute;width:640px;height:640px;border-radius:50%;background:radial-gradient(circle,rgba(255,138,31,.35),transparent 65%);top:-220px;right:-160px;pointer-events:none;}
  .hero::after{content:"";position:absolute;width:520px;height:520px;border-radius:50%;background:radial-gradient(circle,rgba(255,77,46,.28),transparent 65%);bottom:-240px;left:-140px;pointer-events:none;}
  .hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center;}
  .hero-badge{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);padding:7px 16px;border-radius:999px;margin-bottom:22px;color:#ffd9c9;}
  .hero-badge .dot{width:8px;height:8px;border-radius:50%;background:#40e0a0;box-shadow:0 0 10px #40e0a0;animation:pulse 2s infinite;}
  @keyframes pulse{0%,100%{opacity:1;}50%{opacity:.4;}}
  .hero h1{font-size:clamp(30px,4.2vw,50px);font-weight:900;line-height:1.18;letter-spacing:-1px;}
  .hero h1 .hl{background:linear-gradient(90deg,#ffb26b,#ff6a3d);-webkit-background-clip:text;background-clip:text;color:transparent;}
  .hero p.lead{color:rgba(255,255,255,.78);font-size:16.5px;margin-top:20px;max-width:560px;}
  .hero-btns{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
  .hero-btns .btn{padding:15px 32px;font-size:16px;}
  .hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px;}
  .hero-tags span{font-size:13px;color:rgba(255,255,255,.72);background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.12);padding:6px 14px;border-radius:999px;}
  .hero-points{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
  .hero-card{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:16px;padding:22px 20px;transition:transform .25s,background .25s;}
  .hero-card:hover{transform:translateY(-4px);background:rgba(255,255,255,.1);}
  .hero-card .num{font-size:28px;font-weight:900;background:linear-gradient(90deg,#ffb26b,#ff6a3d);-webkit-background-clip:text;background-clip:text;color:transparent;}
  .hero-card .lbl{font-size:13.5px;color:rgba(255,255,255,.72);margin-top:6px;}
  .hero-note{margin-top:20px;font-size:13px;color:rgba(255,255,255,.6);grid-column:1/-1;display:flex;align-items:center;gap:8px;}

  /* STATS */
  .stats{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
  .stat-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px 26px;text-align:center;box-shadow:var(--shadow);transition:transform .25s,box-shadow .25s;}
  .stat-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover);}
  .stat-card .v{font-size:34px;font-weight:900;background:linear-gradient(135deg,var(--brand),var(--brand-2));-webkit-background-clip:text;background-clip:text;color:transparent;}
  .stat-card .k{color:var(--muted);font-size:14px;margin-top:6px;}

  /* ABOUT */
  .about-grid{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center;}
  .about-copy h2{font-size:clamp(24px,3vw,34px);font-weight:800;margin-bottom:18px;line-height:1.3;}
  .about-copy p{color:var(--ink-2);font-size:15.5px;margin-bottom:16px;}
  .about-features{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:26px;}
  .about-features li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:var(--ink-2);}
  .about-features li::before{content:"✦";color:var(--brand);font-weight:900;}
  .about-visual .img-stack{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
  .about-visual img{border-radius:16px;box-shadow:var(--shadow);width:100%;height:100%;object-fit:cover;transition:transform .3s;}
  .about-visual img:hover{transform:scale(1.03);}
  .about-visual .span2{grid-column:1/-1;}

  /* SERVICES */
  .grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
  .svc-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px 26px;transition:transform .25s,box-shadow .25s,border-color .25s;}
  .svc-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover);border-color:#ffd5c4;}
  .svc-ico{width:52px;height:52px;border-radius:14px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#fff1ea,#ffe0d1);margin-bottom:18px;}
  .svc-ico svg{width:26px;height:26px;stroke:var(--brand);fill:none;stroke-width:1.8;}
  .svc-card h3{font-size:18px;font-weight:800;margin-bottom:10px;}
  .svc-card p{color:var(--muted);font-size:14.5px;}
  .svc-card .svc-tags{margin-top:16px;display:flex;flex-wrap:wrap;gap:8px;}
  .svc-card .svc-tags span{font-size:12px;background:var(--bg-soft);color:var(--brand-dark);padding:4px 10px;border-radius:6px;font-weight:600;}

  /* FLOW */
  .flow{display:grid;grid-template-columns:repeat(5,1fr);gap:18px;position:relative;}
  .flow-step{background:#fff;border:1px solid var(--line);border-radius:16px;padding:26px 20px;text-align:center;box-shadow:var(--shadow);transition:transform .25s;}
  .flow-step:hover{transform:translateY(-5px);}
  .flow-step .n{width:44px;height:44px;margin:0 auto 14px;border-radius:50%;background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;font-weight:900;display:flex;align-items:center;justify-content:center;font-size:17px;box-shadow:0 8px 18px rgba(255,77,46,.3);}
  .flow-step h4{font-size:16px;font-weight:800;margin-bottom:8px;}
  .flow-step p{font-size:13.5px;color:var(--muted);}

  /* SCENES */
  .scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
  .scene-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:24px 22px;transition:transform .25s,box-shadow .25s;}
  .scene-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
  .scene-card h4{font-size:16px;font-weight:800;margin-bottom:8px;display:flex;align-items:center;gap:8px;}
  .scene-card h4::before{content:"";width:8px;height:8px;border-radius:2px;background:linear-gradient(135deg,var(--brand),var(--brand-2));display:inline-block;}
  .scene-card p{font-size:13.8px;color:var(--muted);}

  /* MODELS */
  .model-cloud{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;}
  .model-cloud span{background:#fff;border:1px solid var(--line);padding:9px 18px;border-radius:999px;font-size:13.5px;font-weight:600;color:var(--ink-2);transition:all .2s;}
  .model-cloud span:hover{background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;border-color:transparent;transform:translateY(-2px);}

  /* NETWORK */
  .network{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
  .net-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:24px;transition:transform .25s,box-shadow .25s;}
  .net-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
  .net-card h4{font-size:16px;font-weight:800;margin-bottom:8px;}
  .net-card p{font-size:13.5px;color:var(--muted);}
  .net-card .badge{display:inline-block;font-size:11.5px;font-weight:700;color:var(--brand-dark);background:var(--bg-soft);padding:3px 10px;border-radius:6px;margin-top:12px;}

  /* CASE */
  .case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
  .case-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:transform .25s,box-shadow .25s;}
  .case-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover);}
  .case-card img{width:100%;height:200px;object-fit:cover;transition:transform .4s;}
  .case-card:hover img{transform:scale(1.05);}
  .case-body{padding:22px 24px;}
  .case-body .cat{font-size:12px;font-weight:700;color:var(--brand);background:var(--bg-soft2);padding:3px 10px;border-radius:6px;display:inline-block;margin-bottom:12px;}
  .case-body h4{font-size:17px;font-weight:800;margin-bottom:8px;}
  .case-body p{font-size:13.8px;color:var(--muted);}
  .case-banner{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-bottom:40px;}
  .case-banner img{border-radius:16px;box-shadow:var(--shadow);width:100%;height:100%;object-fit:cover;transition:transform .3s;}
  .case-banner img:hover{transform:scale(1.02);}

  /* REVIEW / COMPARE */
  .compare-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:14px;box-shadow:var(--shadow);}
  .table-scroll{width:100%;overflow-x:auto;}
  table.cmp{width:100%;border-collapse:collapse;min-width:720px;font-size:14.5px;}
  table.cmp th,table.cmp td{padding:16px 18px;text-align:left;border-bottom:1px solid var(--line);}
  table.cmp thead th{background:linear-gradient(135deg,#fff4ee,#ffe8db);font-weight:800;font-size:15px;color:var(--ink);}
  table.cmp thead th:first-child{border-radius:10px 0 0 10px;}
  table.cmp thead th:last-child{border-radius:0 10px 10px 0;}
  table.cmp td.hl{background:rgba(255,77,46,.05);font-weight:700;color:var(--brand-dark);}
  table.cmp tbody tr:hover{background:#fffaf6;}
  .rating-badge{display:inline-flex;align-items:center;gap:6px;background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;font-weight:800;padding:8px 18px;border-radius:999px;font-size:15px;box-shadow:0 8px 18px rgba(255,77,46,.3);}
  .rating-stars{color:#ffb400;font-size:18px;letter-spacing:2px;}
  .compare-top{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:18px;margin-bottom:24px;}
  .compare-top .score{font-size:15px;color:var(--muted);}
  .compare-top .score b{color:var(--brand);font-size:30px;font-weight:900;}

  /* FAQ */
  .faq-list{max-width:860px;margin:0 auto;}
  .faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;margin-bottom:14px;overflow:hidden;transition:box-shadow .2s,border-color .2s;}
  .faq-item.open{box-shadow:var(--shadow);border-color:#ffd5c4;}
  .faq-q{width:100%;text-align:left;background:none;border:none;padding:20px 24px;font-size:16px;font-weight:700;color:var(--ink);cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:16px;font-family:inherit;}
  .faq-q .ic{flex-shrink:0;width:26px;height:26px;border-radius:50%;background:var(--bg-soft2);color:var(--brand);display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:700;transition:transform .3s;}
  .faq-item.open .faq-q .ic{transform:rotate(45deg);}
  .faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease;color:var(--muted);font-size:14.5px;}
  .faq-a p{padding:0 24px 22px;}
  .faq-item.open .faq-a{max-height:340px;}

  /* REVIEWS */
  .review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
  .review-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px 26px;transition:transform .25s,box-shadow .25s;}
  .review-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover);}
  .review-card .stars{color:#ffb400;font-size:15px;letter-spacing:2px;margin-bottom:14px;}
  .review-card p{font-size:14.5px;color:var(--ink-2);min-height:88px;}
  .review-user{display:flex;align-items:center;gap:12px;margin-top:20px;padding-top:18px;border-top:1px solid var(--line);}
  .review-avatar{width:44px;height:44px;border-radius:50%;background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;font-weight:800;display:flex;align-items:center;justify-content:center;font-size:16px;}
  .review-user .name{font-weight:700;font-size:14.5px;}
  .review-user .role{font-size:12.5px;color:var(--muted);}

  /* TOKEN / PRICE */
  .price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
  .price-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:32px 28px;text-align:center;transition:transform .25s,box-shadow .25s;position:relative;}
  .price-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover);}
  .price-card.featured{border:2px solid var(--brand);box-shadow:var(--shadow-hover);}
  .price-card .tag{position:absolute;top:-13px;left:50%;transform:translateX(-50%);background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;font-size:12px;font-weight:700;padding:5px 16px;border-radius:999px;white-space:nowrap;}
  .price-card h4{font-size:18px;font-weight:800;margin-bottom:8px;}
  .price-card .desc{font-size:13.5px;color:var(--muted);margin-bottom:20px;}
  .price-card .amount{font-size:34px;font-weight:900;color:var(--brand);}
  .price-card .amount small{font-size:14px;color:var(--muted);font-weight:500;}
  .price-card ul{margin:22px 0;text-align:left;}
  .price-card ul li{font-size:14px;color:var(--ink-2);padding:7px 0;display:flex;gap:8px;align-items:flex-start;}
  .price-card ul li::before{content:"✓";color:var(--brand);font-weight:900;}

  /* TIMELINE */
  .timeline{position:relative;max-width:820px;margin:0 auto;padding-left:28px;}
  .timeline::before{content:"";position:absolute;left:8px;top:6px;bottom:6px;width:2px;background:linear-gradient(var(--brand),var(--brand-2));opacity:.3;}
  .tl-item{position:relative;padding:0 0 34px 22px;}
  .tl-item::before{content:"";position:absolute;left:-24px;top:4px;width:16px;height:16px;border-radius:50%;background:#fff;border:3px solid var(--brand);}
  .tl-item .yr{font-size:13px;font-weight:800;color:var(--brand);letter-spacing:1px;}
  .tl-item h4{font-size:17px;font-weight:800;margin:4px 0 6px;}
  .tl-item p{font-size:14px;color:var(--muted);}

  /* ARTICLES */
  .article-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
  .article-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 24px;transition:transform .25s,box-shadow .25s;}
  .article-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover);}
  .article-card .meta{font-size:12.5px;color:var(--brand);font-weight:700;margin-bottom:10px;}
  .article-card h4{font-size:16.5px;font-weight:800;margin-bottom:10px;line-height:1.4;}
  .article-card p{font-size:13.8px;color:var(--muted);}
  .article-card .more{display:inline-block;margin-top:16px;font-size:13.5px;font-weight:700;color:var(--brand);}

  /* FORM */
  .contact-grid{display:grid;grid-template-columns:1fr 1.15fr;gap:48px;align-items:start;}
  .contact-info h2{font-size:clamp(24px,3vw,32px);font-weight:800;margin-bottom:16px;}
  .contact-info p{color:var(--muted);font-size:15px;margin-bottom:26px;}
  .contact-item{display:flex;gap:14px;align-items:flex-start;margin-bottom:20px;}
  .contact-item .ci{flex-shrink:0;width:42px;height:42px;border-radius:12px;background:var(--bg-soft2);display:flex;align-items:center;justify-content:center;}
  .contact-item .ci svg{width:20px;height:20px;stroke:var(--brand);fill:none;stroke-width:1.8;}
  .contact-item .lbl{font-size:12.5px;color:var(--muted);}
  .contact-item .val{font-size:15px;font-weight:700;color:var(--ink);word-break:break-all;}
  .qr-box{margin-top:26px;display:flex;align-items:center;gap:16px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px;}
  .qr-box img{width:110px;height:110px;border-radius:8px;object-fit:cover;}
  .qr-box .qt{font-size:13px;color:var(--muted);}
  .qr-box .qt b{display:block;font-size:15px;color:var(--ink);margin-bottom:4px;}
  form.demand-form{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:34px 30px;box-shadow:var(--shadow);}
  .form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
  .form-group{margin-bottom:18px;}
  .form-group label{display:block;font-size:13.5px;font-weight:700;margin-bottom:8px;color:var(--ink-2);}
  .form-group label .req{color:var(--brand);}
  .form-group input,.form-group select,.form-group textarea{width:100%;padding:13px 16px;border:1.5px solid var(--line);border-radius:10px;font-size:14.5px;font-family:inherit;color:var(--ink);background:#fcfcfd;transition:border-color .2s,box-shadow .2s;}
  .form-group input:focus,.form-group select:focus,.form-group textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(255,77,46,.1);background:#fff;}
  .form-group textarea{resize:vertical;min-height:110px;}
  .form-tip{font-size:12.5px;color:var(--muted);margin-top:14px;}
  .form-ok{display:none;background:#eefaf2;border:1px solid #b6e9c8;color:#1f8a4c;padding:12px 16px;border-radius:10px;font-size:14px;margin-top:16px;}

  /* JOIN */
  .join-wrap{background:linear-gradient(150deg,#1a0d09,#3a1508 55%,#7a2409);border-radius:24px;color:#fff;padding:56px 48px;display:grid;grid-template-columns:1.2fr .8fr;gap:40px;align-items:center;position:relative;overflow:hidden;}
  .join-wrap::before{content:"";position:absolute;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(255,138,31,.3),transparent 65%);top:-140px;right:-80px;}
  .join-wrap h2{font-size:clamp(24px,3vw,32px);font-weight:900;margin-bottom:14px;position:relative;}
  .join-wrap p{color:rgba(255,255,255,.78);font-size:15px;margin-bottom:24px;position:relative;}
  .join-list{display:grid;grid-template-columns:1fr 1fr;gap:12px;position:relative;}
  .join-list li{font-size:14px;color:rgba(255,255,255,.85);display:flex;gap:8px;align-items:flex-start;}
  .join-list li::before{content:"✦";color:#ffb26b;}
  .join-cta{position:relative;text-align:center;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:18px;padding:30px 24px;}

  /* FOOTER */
  footer.site-footer{background:#15181e;color:#9aa1ad;padding:60px 0 30px;font-size:14px;}
  .foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;margin-bottom:40px;}
  .foot-brand .brand{color:#fff;margin-bottom:16px;}
  .foot-brand p{font-size:13.5px;line-height:1.8;max-width:300px;}
  .foot-col h4{color:#fff;font-size:15px;font-weight:800;margin-bottom:16px;}
  .foot-col ul li{margin-bottom:10px;}
  .foot-col ul li a{font-size:13.5px;color:#9aa1ad;transition:color .2s;}
  .foot-col ul li a:hover{color:var(--brand-2);}
  .foot-bottom{border-top:1px solid rgba(255,255,255,.08);padding-top:24px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:14px;font-size:13px;color:#6b7280;}
  .foot-bottom a{color:#9aa1ad;}
  .foot-bottom a:hover{color:var(--brand-2);}

  /* FLOATING */
  .float-cs{position:fixed;right:22px;bottom:96px;z-index:300;display:flex;flex-direction:column;align-items:flex-end;gap:12px;}
  .cs-trigger{width:56px;height:56px;border-radius:50%;background:linear-gradient(135deg,var(--brand),var(--brand-2));box-shadow:0 10px 26px rgba(255,77,46,.45);display:flex;align-items:center;justify-content:center;cursor:pointer;border:none;transition:transform .25s;}
  .cs-trigger:hover{transform:scale(1.08);}
  .cs-trigger svg{width:26px;height:26px;stroke:#fff;fill:none;stroke-width:1.8;}
  .cs-panel{display:none;background:#fff;border-radius:16px;box-shadow:0 18px 44px rgba(0,0,0,.16);padding:18px;width:230px;}
  .cs-panel.show{display:block;animation:fadeIn .25s ease;}
  @keyframes fadeIn{from{opacity:0;transform:translateY(8px);}to{opacity:1;transform:translateY(0);}}
  .cs-panel img{width:160px;height:160px;margin:0 auto 10px;border-radius:10px;object-fit:cover;}
  .cs-panel .pt{text-align:center;font-size:13px;color:var(--muted);line-height:1.7;}
  .cs-panel .pt b{display:block;color:var(--ink);font-size:14px;margin-bottom:2px;}
  .back-top{position:fixed;right:22px;bottom:24px;z-index:300;width:48px;height:48px;border-radius:50%;background:#fff;border:1px solid var(--line);box-shadow:0 8px 22px rgba(0,0,0,.1);display:flex;align-items:center;justify-content:center;cursor:pointer;opacity:0;visibility:hidden;transition:opacity .25s,transform .25s;}
  .back-top.show{opacity:1;visibility:visible;}
  .back-top:hover{transform:translateY(-3px);}
  .back-top svg{width:20px;height:20px;stroke:var(--brand);fill:none;stroke-width:2.2;}

  /* REVEAL */
  .reveal{opacity:0;transform:translateY(26px);transition:opacity .6s ease,transform .6s ease;}
  .reveal.in{opacity:1;transform:translateY(0);}

  /* RESPONSIVE */
  @media(max-width:1024px){
    .hero-grid{grid-template-columns:1fr;gap:44px;}
    .hero-points{grid-template-columns:repeat(4,1fr);}
    .stats{grid-template-columns:repeat(2,1fr);}
    .grid-3,.scene-grid,.case-grid,.review-grid,.article-grid,.price-grid{grid-template-columns:repeat(2,1fr);}
    .flow{grid-template-columns:repeat(3,1fr);}
    .network{grid-template-columns:repeat(2,1fr);}
    .about-grid,.contact-grid,.join-wrap{grid-template-columns:1fr;gap:36px;}
    .foot-grid{grid-template-columns:1fr 1fr;}
  }
  @media(max-width:820px){
    .nav-links{position:fixed;top:68px;left:0;right:0;background:#fff;flex-direction:column;align-items:stretch;padding:14px 20px 22px;border-bottom:1px solid var(--line);box-shadow:0 18px 30px rgba(0,0,0,.08);transform:translateY(-120%);transition:transform .3s;z-index:190;max-height:calc(100vh - 68px);overflow-y:auto;}
    .nav-links.open{transform:translateY(0);}
    .nav-links a{padding:12px 10px;font-size:15px;}
    .nav-links a::after{display:none;}
    .hamburger{display:flex;}
    .nav-cta .btn-ghost{display:none;}
    section{padding:60px 0;}
    .hero{padding:70px 0 64px;}
    .hero-points{grid-template-columns:1fr 1fr;}
    .case-banner{grid-template-columns:1fr;}
    .form-row{grid-template-columns:1fr;}
  }
  @media(max-width:600px){
    .stats,.grid-3,.scene-grid,.case-grid,.review-grid,.article-grid,.price-grid,.network{grid-template-columns:1fr;}
    .flow{grid-template-columns:1fr 1fr;}
    .about-features,.join-list{grid-template-columns:1fr;}
    .hero-points{grid-template-columns:1fr 1fr;}
    .foot-grid{grid-template-columns:1fr;}
    .nav-cta .btn-primary{padding:9px 16px;font-size:13px;}
    .join-wrap{padding:40px 26px;}
    .float-cs{right:14px;bottom:84px;}
    .back-top{right:14px;bottom:22px;}
    .hero-btns .btn{width:100%;}
    .compare-top .score b{font-size:26px;}
  }