/* roulang page: index */
:root{
      --bg:#f7f8fc;
      --surface:#ffffff;
      --surface-2:#f2f5f9;
      --text:#111827;
      --muted:#667085;
      --weak:#98a2b3;
      --line:rgba(17,24,39,.10);
      --primary:#ff5c7a;
      --primary-dark:#e83f61;
      --secondary:#2dd4bf;
      --accent:#f7c948;
      --night:#0b1020;
      --radius-sm:12px;
      --radius-md:20px;
      --radius-lg:30px;
      --shadow-sm:0 8px 24px rgba(15,23,42,.08);
      --shadow-md:0 20px 60px rgba(15,23,42,.12);
      --shadow-glow:0 24px 90px rgba(255,92,122,.26);
      --container:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei","微软雅黑",Arial,sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 12% 8%, rgba(255,92,122,.15), transparent 28%),
        radial-gradient(circle at 86% 18%, rgba(45,212,191,.16), transparent 24%),
        linear-gradient(180deg,#fbfcff 0%,#f5f7fb 48%,#ffffff 100%);
      line-height:1.75;
      text-rendering:optimizeLegibility;
      -webkit-font-smoothing:antialiased;
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    button,input,textarea{font:inherit}
    button{cursor:pointer}
    ::selection{background:rgba(255,92,122,.22);color:#7f1d1d}
    .container-site{width:min(var(--container), calc(100% - 40px));margin-inline:auto}
    .skip-link{position:absolute;left:-999px;top:12px;background:#fff;color:#111827;padding:10px 14px;border-radius:999px;z-index:80;box-shadow:var(--shadow-sm)}
    .skip-link:focus{left:16px;outline:3px solid rgba(255,92,122,.35)}
    .site-header{
      position:fixed;
      top:16px;
      left:0;
      right:0;
      z-index:60;
      transition:all .28s ease;
      pointer-events:none;
    }
    .nav-shell{
      pointer-events:auto;
      width:min(var(--container), calc(100% - 40px));
      margin-inline:auto;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      padding:12px 14px 12px 18px;
      border:1px solid rgba(255,255,255,.28);
      border-radius:999px;
      background:rgba(15,23,42,.38);
      backdrop-filter:blur(18px);
      -webkit-backdrop-filter:blur(18px);
      box-shadow:0 18px 60px rgba(15,23,42,.16);
      color:#fff;
    }
    .site-header.is-scrolled{top:8px}
    .site-header.is-scrolled .nav-shell{
      color:var(--text);
      background:rgba(255,255,255,.88);
      border-color:rgba(17,24,39,.08);
      box-shadow:0 14px 44px rgba(15,23,42,.11);
    }
    .brand{
      display:flex;
      align-items:center;
      gap:10px;
      min-width:0;
      font-weight:900;
      letter-spacing:-.02em;
    }
    .brand-mark{
      width:36px;
      height:36px;
      border-radius:14px;
      display:grid;
      place-items:center;
      background:linear-gradient(135deg,var(--primary),#ff9eb0 46%,var(--secondary));
      color:#fff;
      box-shadow:0 12px 30px rgba(255,92,122,.34);
      flex:none;
    }
    .brand-text{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
    .nav-links{
      display:flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      padding:4px;
      border-radius:999px;
      background:rgba(255,255,255,.10);
      border:1px solid rgba(255,255,255,.12);
    }
    .site-header.is-scrolled .nav-links{
      background:rgba(17,24,39,.04);
      border-color:rgba(17,24,39,.06);
    }
    .nav-link{
      display:inline-flex;
      align-items:center;
      min-height:38px;
      padding:0 16px;
      border-radius:999px;
      font-size:14px;
      font-weight:800;
      color:rgba(255,255,255,.84);
      transition:all .2s ease;
    }
    .site-header.is-scrolled .nav-link{color:rgba(17,24,39,.72)}
    .nav-link:hover,.nav-link.active{
      color:#fff;
      background:rgba(255,255,255,.18);
      transform:translateY(-1px);
    }
    .site-header.is-scrolled .nav-link:hover,
    .site-header.is-scrolled .nav-link.active{
      color:var(--text);
      background:#fff;
      box-shadow:0 8px 22px rgba(15,23,42,.08);
    }
    .nav-action{
      display:flex;
      align-items:center;
      gap:10px;
    }
    .nav-search{
      width:190px;
      height:40px;
      display:flex;
      align-items:center;
      gap:8px;
      padding:0 12px;
      border-radius:999px;
      background:rgba(255,255,255,.14);
      border:1px solid rgba(255,255,255,.16);
      color:rgba(255,255,255,.78);
      font-size:13px;
    }
    .site-header.is-scrolled .nav-search{
      background:rgba(17,24,39,.04);
      border-color:rgba(17,24,39,.08);
      color:var(--muted);
    }
    .nav-cta,.btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      border:0;
      border-radius:999px;
      min-height:44px;
      padding:0 18px;
      font-weight:900;
      letter-spacing:-.01em;
      transition:transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease;
      white-space:nowrap;
    }
    .nav-cta{
      background:#fff;
      color:var(--text);
      box-shadow:0 12px 28px rgba(0,0,0,.14);
    }
    .site-header.is-scrolled .nav-cta{
      background:var(--night);
      color:#fff;
      box-shadow:0 12px 28px rgba(15,23,42,.18);
    }
    .nav-cta:hover,.btn:hover{transform:translateY(-2px)}
    .nav-cta:active,.btn:active{transform:translateY(0) scale(.98)}
    .nav-cta:focus-visible,.btn:focus-visible,input:focus-visible,textarea:focus-visible,.faq-button:focus-visible{
      outline:3px solid rgba(255,92,122,.32);
      outline-offset:3px;
    }
    .mobile-toggle{
      display:none;
      width:42px;
      height:42px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.18);
      background:rgba(255,255,255,.12);
      color:inherit;
    }
    .site-header.is-scrolled .mobile-toggle{
      border-color:rgba(17,24,39,.08);
      background:rgba(17,24,39,.04);
    }
    .mobile-menu{
      display:none;
      width:min(var(--container), calc(100% - 40px));
      margin:10px auto 0;
      padding:14px;
      border:1px solid rgba(255,255,255,.22);
      border-radius:24px;
      background:rgba(255,255,255,.92);
      backdrop-filter:blur(18px);
      box-shadow:var(--shadow-md);
      color:var(--text);
      pointer-events:auto;
    }
    .mobile-menu.open{display:block}
    .mobile-menu a{display:flex;padding:12px 14px;border-radius:14px;font-weight:900}
    .mobile-menu a:hover{background:rgba(255,92,122,.08);color:var(--primary-dark)}
    .section-pad{padding:88px 0}
    .section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;margin-bottom:34px}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 12px;
      border:1px solid rgba(255,92,122,.16);
      border-radius:999px;
      color:var(--primary-dark);
      background:rgba(255,92,122,.08);
      font-size:13px;
      font-weight:900;
      line-height:1;
    }
    .section-title{
      margin:12px 0 0;
      font-size:clamp(28px,4vw,48px);
      line-height:1.1;
      letter-spacing:-.045em;
      font-weight:950;
    }
    .section-desc{
      max-width:660px;
      margin:14px 0 0;
      color:var(--muted);
      font-size:16px;
      line-height:1.9;
    }
    .hero{
      min-height:820px;
      padding:138px 0 80px;
      position:relative;
      overflow:hidden;
      color:#fff;
      background:
        linear-gradient(125deg,rgba(11,16,32,.94),rgba(17,24,39,.82)),
        radial-gradient(circle at 48% 24%,rgba(255,92,122,.52),transparent 28%),
        radial-gradient(circle at 72% 62%,rgba(45,212,191,.38),transparent 26%),
        #0b1020;
    }
    .hero:before{
      content:"";
      position:absolute;
      inset:0;
      background-image:
        linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
      background-size:54px 54px;
      mask-image:linear-gradient(to bottom,rgba(0,0,0,.8),transparent 82%);
      pointer-events:none;
    }
    .hero-orbit{
      position:absolute;
      width:680px;
      height:680px;
      left:50%;
      top:52%;
      transform:translate(-50%,-50%);
      border-radius:50%;
      border:1px solid rgba(255,255,255,.12);
      box-shadow:inset 0 0 80px rgba(255,255,255,.04);
      pointer-events:none;
    }
    .hero-grid{
      position:relative;
      z-index:2;
      display:grid;
      grid-template-columns:1fr minmax(420px, 560px) 1fr;
      gap:24px;
      align-items:center;
    }
    .hero-kicker{
      display:inline-flex;
      align-items:center;
      gap:10px;
      margin-bottom:18px;
      padding:8px 12px;
      border:1px solid rgba(255,255,255,.18);
      border-radius:999px;
      background:rgba(255,255,255,.10);
      color:rgba(255,255,255,.86);
      font-size:13px;
      font-weight:900;
      backdrop-filter:blur(12px);
    }
    h1{
      margin:0;
      font-size:clamp(42px,6vw,78px);
      line-height:.98;
      letter-spacing:-.065em;
      font-weight:1000;
    }
    .hero-lead{
      margin-top:22px;
      color:rgba(255,255,255,.78);
      font-size:17px;
      line-height:1.95;
      max-width:760px;
    }
    .hero-copy{
      grid-column:1 / -1;
      text-align:center;
      max-width:920px;
      margin:0 auto 28px;
    }
    .hero-stage-wrap{
      position:relative;
      grid-column:2;
      grid-row:2;
      justify-self:center;
      width:100%;
    }
    .stage-card{
      position:relative;
      overflow:hidden;
      border-radius:34px;
      border:1px solid rgba(255,255,255,.16);
      background:linear-gradient(180deg,rgba(255,255,255,.18),rgba(255,255,255,.08));
      backdrop-filter:blur(22px);
      box-shadow:0 34px 110px rgba(0,0,0,.34), var(--shadow-glow);
      padding:16px;
      isolation:isolate;
    }
    .stage-card:before{
      content:"";
      position:absolute;
      inset:-30%;
      background:conic-gradient(from 120deg, transparent, rgba(255,92,122,.18), transparent, rgba(45,212,191,.16), transparent);
      animation:spin 10s linear infinite;
      z-index:-1;
    }
    @keyframes spin{to{transform:rotate(360deg)}}
    .stage-inner{
      position:relative;
      border-radius:26px;
      background:rgba(7,11,23,.84);
      border:1px solid rgba(255,255,255,.10);
      padding:20px;
      overflow:hidden;
    }
    .browser-bar{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:10px;
      margin-bottom:18px;
    }
    .dots{display:flex;gap:7px}
    .dot{width:10px;height:10px;border-radius:50%;background:#ff667d}
    .dot:nth-child(2){background:#f7c948}.dot:nth-child(3){background:#2dd4bf}
    .safe-badge{
      padding:6px 10px;
      border-radius:999px;
      background:rgba(45,212,191,.12);
      color:#9ff7ec;
      font-size:12px;
      font-weight:900;
      border:1px solid rgba(45,212,191,.20);
    }
    .search-panel{
      display:flex;
      align-items:center;
      gap:12px;
      padding:14px;
      border-radius:20px;
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.10);
    }
    .search-icon{width:40px;height:40px;border-radius:15px;display:grid;place-items:center;background:rgba(255,92,122,.14);color:#ffb5c3}
    .search-lines{flex:1}
    .line{height:10px;border-radius:999px;background:rgba(255,255,255,.14);margin:7px 0}
    .line.short{width:54%}.line.mid{width:76%}
    .content-rail{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:12px;
      margin-top:16px;
    }
    .mini-cover{
      min-height:126px;
      border-radius:19px;
      padding:12px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      background:linear-gradient(150deg,rgba(255,92,122,.30),rgba(255,255,255,.08));
      border:1px solid rgba(255,255,255,.10);
    }
    .mini-cover:nth-child(2){background:linear-gradient(150deg,rgba(45,212,191,.30),rgba(255,255,255,.08))}
    .mini-cover:nth-child(3){background:linear-gradient(150deg,rgba(247,201,72,.30),rgba(255,255,255,.08))}
    .mini-cover b{font-size:13px;line-height:1.35}
    .mini-cover span{color:rgba(255,255,255,.64);font-size:12px}
    .progress-list{margin-top:16px;display:grid;gap:10px}
    .progress-item{
      display:grid;
      grid-template-columns:88px 1fr 48px;
      align-items:center;
      gap:10px;
      font-size:12px;
      color:rgba(255,255,255,.70);
    }
    .bar{height:8px;border-radius:999px;background:rgba(255,255,255,.10);overflow:hidden}
    .bar i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--primary),var(--secondary))}
    .value-side{
      grid-row:2;
      display:grid;
      gap:16px;
    }
    .value-left{grid-column:1}
    .value-right{grid-column:3}
    .value-card{
      border:1px solid rgba(255,255,255,.14);
      background:rgba(255,255,255,.08);
      backdrop-filter:blur(16px);
      border-radius:24px;
      padding:18px;
      color:rgba(255,255,255,.86);
      box-shadow:0 18px 50px rgba(0,0,0,.18);
      transition:transform .22s ease, border-color .22s ease, background .22s ease;
    }
    .value-card:hover{
      transform:translateY(-4px);
      border-color:rgba(255,255,255,.28);
      background:rgba(255,255,255,.12);
    }
    .value-card strong{display:block;color:#fff;font-size:18px;margin-bottom:6px}
    .value-card p{margin:0;font-size:14px;line-height:1.75;color:rgba(255,255,255,.70)}
    .hero-actions{
      grid-column:1 / -1;
      display:flex;
      align-items:center;
      justify-content:center;
      flex-wrap:wrap;
      gap:12px;
      margin-top:34px;
    }
    .btn-primary{background:linear-gradient(135deg,var(--primary),#ff8aa1);color:#fff;box-shadow:0 16px 38px rgba(255,92,122,.34)}
    .btn-dark{background:var(--night);color:#fff;box-shadow:0 14px 34px rgba(15,23,42,.18)}
    .btn-light{background:#fff;color:var(--text);box-shadow:0 14px 34px rgba(15,23,42,.12)}
    .btn-ghost{background:rgba(255,255,255,.08);color:#fff;border:1px solid rgba(255,255,255,.20)}
    .hero-metrics{
      grid-column:1 / -1;
      display:flex;
      justify-content:center;
      gap:12px;
      flex-wrap:wrap;
      margin-top:22px;
    }
    .metric-pill{
      display:flex;
      align-items:center;
      gap:8px;
      padding:10px 13px;
      border:1px solid rgba(255,255,255,.14);
      border-radius:999px;
      color:rgba(255,255,255,.78);
      background:rgba(255,255,255,.07);
      backdrop-filter:blur(10px);
      font-size:13px;
      font-weight:800;
    }
    .coupon-section{background:#fff}
    .coupon-grid{
      display:grid;
      grid-template-columns:1.15fr .85fr 1fr;
      gap:18px;
      align-items:stretch;
    }
    .coupon{
      position:relative;
      overflow:hidden;
      min-height:210px;
      padding:24px;
      border-radius:28px;
      border:1px solid var(--line);
      background:linear-gradient(180deg,#fff,#fafbff);
      box-shadow:var(--shadow-sm);
      transition:transform .22s ease, box-shadow .22s ease, border-color .22s ease;
    }
    .coupon:before,.coupon:after{
      content:"";
      position:absolute;
      width:30px;height:30px;border-radius:50%;
      top:50%;
      transform:translateY(-50%);
      background:#fff;
      border:1px solid var(--line);
    }
    .coupon:before{left:-15px}.coupon:after{right:-15px}
    .coupon:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);border-color:rgba(255,92,122,.22)}
    .coupon.featured{
      grid-row:span 2;
      color:#fff;
      background:
        radial-gradient(circle at 24% 18%,rgba(255,255,255,.22),transparent 30%),
        linear-gradient(135deg,#111827,#3b1f36 52%,#ff5c7a);
      border-color:rgba(255,255,255,.18);
    }
    .coupon.featured:before,.coupon.featured:after{background:#fff;border-color:rgba(255,255,255,.3)}
    .coupon .tag{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:7px 10px;
      border-radius:999px;
      background:rgba(255,92,122,.09);
      color:var(--primary-dark);
      font-weight:900;
      font-size:12px;
    }
    .coupon.featured .tag{background:rgba(255,255,255,.14);color:#fff}
    .coupon h3{margin:18px 0 8px;font-size:24px;line-height:1.15;letter-spacing:-.035em}
    .coupon p{margin:0;color:var(--muted);font-size:14px;line-height:1.8}
    .coupon.featured p{color:rgba(255,255,255,.74)}
    .coupon-meta{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      margin-top:24px;
      padding-top:18px;
      border-top:1px dashed rgba(17,24,39,.14);
      font-size:13px;
      color:var(--weak);
      font-weight:800;
    }
    .coupon.featured .coupon-meta{border-color:rgba(255,255,255,.18);color:rgba(255,255,255,.72)}
    .rule-wrap{
      display:grid;
      grid-template-columns:.9fr 1.1fr;
      gap:22px;
      align-items:stretch;
    }
    .rule-panel{
      border-radius:32px;
      background:var(--night);
      color:#fff;
      padding:32px;
      overflow:hidden;
      position:relative;
      box-shadow:var(--shadow-md);
    }
    .rule-panel:after{
      content:"";
      position:absolute;
      width:260px;height:260px;border-radius:50%;
      right:-90px;bottom:-100px;
      background:radial-gradient(circle,rgba(45,212,191,.32),transparent 68%);
    }
    .rule-list{display:grid;gap:14px}
    .rule-item{
      display:grid;
      grid-template-columns:44px 1fr;
      gap:14px;
      padding:18px;
      border-radius:22px;
      background:#fff;
      border:1px solid var(--line);
      box-shadow:0 10px 28px rgba(15,23,42,.06);
    }
    .rule-num{
      width:44px;height:44px;border-radius:16px;
      display:grid;place-items:center;
      background:rgba(255,92,122,.10);
      color:var(--primary-dark);
      font-weight:950;
    }
    .rule-item h3{margin:0 0 5px;font-size:18px;letter-spacing:-.02em}
    .rule-item p{margin:0;color:var(--muted);font-size:14px;line-height:1.85}
    .three-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .power-card{
      padding:26px;
      border-radius:30px;
      border:1px solid var(--line);
      background:#fff;
      box-shadow:var(--shadow-sm);
      transition:all .22s ease;
    }
    .power-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md)}
    .icon-box{
      width:54px;height:54px;border-radius:20px;
      display:grid;place-items:center;
      background:linear-gradient(135deg,rgba(255,92,122,.13),rgba(45,212,191,.12));
      color:var(--primary-dark);
      margin-bottom:20px;
    }
    .power-card h3{font-size:22px;margin:0 0 8px;letter-spacing:-.035em}
    .power-card p{font-size:14px;color:var(--muted);margin:0;line-height:1.85}
    .guide-section{
      background:linear-gradient(180deg,#f8fafc,#fff);
    }
    .guide-layout{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:22px;
    }
    .guide-card,.story-card,.form-card,.news-card,.faq-item{
      border:1px solid var(--line);
      border-radius:30px;
      background:rgba(255,255,255,.86);
      box-shadow:var(--shadow-sm);
    }
    .guide-card{padding:28px}
    .check-list{display:grid;gap:14px;margin-top:18px}
    .check-list li{
      display:flex;
      gap:12px;
      align-items:flex-start;
      color:var(--muted);
      font-size:14px;
      line-height:1.85;
    }
    .check{
      width:24px;height:24px;border-radius:50%;
      flex:none;
      display:grid;place-items:center;
      background:rgba(45,212,191,.14);
      color:#0f766e;
      font-weight:950;
      margin-top:3px;
    }
    .story-band{
      position:relative;
      overflow:hidden;
      color:#fff;
      background:
        linear-gradient(110deg,rgba(11,16,32,.96),rgba(17,24,39,.72)),
        radial-gradient(circle at 84% 16%,rgba(255,92,122,.40),transparent 34%),
        #0b1020;
    }
    .story-grid{
      display:grid;
      grid-template-columns:1fr .88fr;
      gap:30px;
      align-items:center;
    }
    .story-card{
      color:var(--text);
      padding:24px;
      background:rgba(255,255,255,.94);
    }
    .story-stat{
      display:grid;
      grid-template-columns:repeat(2,1fr);
      gap:14px;
      margin-top:18px;
    }
    .stat-tile{
      padding:18px;
      border-radius:22px;
      background:#f8fafc;
      border:1px solid rgba(17,24,39,.06);
    }
    .stat-tile strong{display:block;font-size:30px;line-height:1;color:var(--primary-dark);letter-spacing:-.04em}
    .stat-tile span{font-size:13px;color:var(--muted)}
    .lead-wrap{
      display:grid;
      grid-template-columns:.9fr 1.1fr;
      gap:24px;
      align-items:stretch;
    }
    .form-card{padding:28px}
    .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .field{display:grid;gap:8px}
    .field.full{grid-column:1 / -1}
    .field label{font-size:13px;font-weight:900;color:var(--text)}
    .field input,.field textarea{
      width:100%;
      border:1px solid var(--line);
      border-radius:16px;
      background:#fff;
      padding:13px 14px;
      color:var(--text);
      transition:border-color .2s ease, box-shadow .2s ease, background .2s ease;
    }
    .field input:hover,.field textarea:hover{border-color:rgba(255,92,122,.22)}
    .field input:focus,.field textarea:focus{border-color:rgba(255,92,122,.44);box-shadow:0 0 0 4px rgba(255,92,122,.10);outline:0}
    .privacy-note{
      margin:14px 0 0;
      color:var(--muted);
      font-size:13px;
      line-height:1.8;
    }
    .form-message{
      display:none;
      margin-top:14px;
      padding:12px 14px;
      border-radius:16px;
      background:rgba(45,212,191,.12);
      color:#0f766e;
      font-weight:900;
      font-size:14px;
    }
    .form-message.show{display:block}
    .news-section{background:#fff}
    .news-layout{
      display:grid;
      grid-template-columns:1.35fr .65fr;
      gap:24px;
      align-items:start;
    }
    .news-list{
      display:grid;
      gap:12px;
    }
    .news-link{
      display:grid;
      grid-template-columns:104px 1fr auto;
      gap:16px;
      align-items:center;
      padding:18px;
      border:1px solid var(--line);
      border-radius:24px;
      background:#fff;
      box-shadow:0 8px 24px rgba(15,23,42,.04);
      transition:all .2s ease;
    }
    .news-link:hover{transform:translateX(4px);border-color:rgba(255,92,122,.22);box-shadow:var(--shadow-sm)}
    .news-date{
      display:grid;
      place-items:center;
      min-height:66px;
      border-radius:18px;
      background:#f8fafc;
      color:var(--primary-dark);
      font-weight:950;
      text-align:center;
      line-height:1.25;
    }
    .news-link h3{margin:0 0 4px;font-size:18px;letter-spacing:-.025em}
    .news-link p{margin:0;color:var(--muted);font-size:14px;line-height:1.7}
    .arrow{
      width:36px;height:36px;border-radius:50%;
      display:grid;place-items:center;
      background:rgba(17,24,39,.04);
      color:var(--text);
      transition:all .2s ease;
    }
    .news-link:hover .arrow{background:var(--primary);color:#fff}
    .recommend-card{
      position:sticky;
      top:105px;
      padding:24px;
      border-radius:30px;
      background:linear-gradient(180deg,#111827,#1f2937);
      color:#fff;
      box-shadow:var(--shadow-md);
      overflow:hidden;
    }
    .recommend-card:after{
      content:"";
      position:absolute;
      width:180px;height:180px;border-radius:50%;
      right:-56px;top:-60px;
      background:radial-gradient(circle,rgba(255,92,122,.38),transparent 68%);
    }
    .recommend-card h3{position:relative;margin:0 0 10px;font-size:24px;letter-spacing:-.04em}
    .recommend-card p{position:relative;margin:0;color:rgba(255,255,255,.72);font-size:14px;line-height:1.85}
    .mini-links{position:relative;display:grid;gap:10px;margin-top:18px}
    .mini-links a{
      display:flex;
      justify-content:space-between;
      gap:12px;
      padding:12px 0;
      border-top:1px solid rgba(255,255,255,.12);
      color:rgba(255,255,255,.82);
      font-weight:800;
      font-size:14px;
    }
    .mini-links a:hover{color:#fff}
    .faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
    .faq-item{overflow:hidden}
    .faq-button{
      width:100%;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      padding:20px 22px;
      border:0;
      background:transparent;
      color:var(--text);
      font-weight:950;
      text-align:left;
    }
    .faq-icon{width:30px;height:30px;border-radius:50%;display:grid;place-items:center;background:rgba(255,92,122,.09);color:var(--primary-dark);transition:transform .22s ease}
    .faq-answer{
      display:none;
      padding:0 22px 22px;
      color:var(--muted);
      font-size:14px;
      line-height:1.9;
    }
    .faq-item.open .faq-answer{display:block}
    .faq-item.open .faq-icon{transform:rotate(45deg)}
    .cta-section{padding:76px 0 92px;background:#fff}
    .cta-box{
      position:relative;
      overflow:hidden;
      border-radius:38px;
      padding:50px;
      background:
        radial-gradient(circle at 18% 20%,rgba(255,255,255,.22),transparent 25%),
        linear-gradient(135deg,#111827,#26162a 58%,#ff5c7a);
      color:#fff;
      box-shadow:0 34px 100px rgba(17,24,39,.24);
      display:grid;
      grid-template-columns:1fr auto;
      gap:24px;
      align-items:center;
    }
    .cta-box:after{
      content:"";
      position:absolute;
      width:420px;height:420px;border-radius:50%;
      right:-140px;bottom:-190px;
      background:radial-gradient(circle,rgba(45,212,191,.30),transparent 68%);
    }
    .cta-box > *{position:relative;z-index:2}
    .cta-box h2{margin:0;font-size:clamp(30px,4vw,52px);line-height:1.1;letter-spacing:-.055em}
    .cta-box p{margin:14px 0 0;color:rgba(255,255,255,.76);max-width:690px;line-height:1.9}
    .site-footer{
      color:#d0d5dd;
      background:#080c18;
      padding:46px 0 28px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1fr auto;
      gap:28px;
      align-items:start;
      padding-bottom:28px;
      border-bottom:1px solid rgba(255,255,255,.10);
    }
    .footer-brand{display:flex;align-items:center;gap:12px;color:#fff;font-weight:950;font-size:18px}
    .footer-desc{max-width:680px;margin:14px 0 0;color:#98a2b3;font-size:14px;line-height:1.9}
    .footer-links{display:flex;gap:10px;flex-wrap:wrap;justify-content:flex-end}
    .footer-links a{
      padding:10px 13px;
      border-radius:999px;
      background:rgba(255,255,255,.06);
      border:1px solid rgba(255,255,255,.08);
      color:#d0d5dd;
      font-weight:800;
      font-size:13px;
      transition:all .2s ease;
    }
    .footer-links a:hover{background:rgba(255,255,255,.12);color:#fff;transform:translateY(-2px)}
    .copyright{
      display:flex;
      justify-content:space-between;
      gap:16px;
      flex-wrap:wrap;
      padding-top:22px;
      color:#7b8494;
      font-size:13px;
    }
    .floating-cta{
      position:fixed;
      left:50%;
      bottom:18px;
      transform:translateX(-50%);
      z-index:55;
      display:flex;
      align-items:center;
      gap:10px;
      padding:10px 12px 10px 16px;
      border-radius:999px;
      background:rgba(17,24,39,.88);
      color:#fff;
      border:1px solid rgba(255,255,255,.12);
      backdrop-filter:blur(16px);
      box-shadow:0 18px 60px rgba(0,0,0,.24);
    }
    .floating-cta span{font-size:13px;color:rgba(255,255,255,.76);white-space:nowrap}
    .floating-cta a{min-height:38px;padding:0 14px;font-size:13px}
    @media (max-width:1024px){
      .nav-search{display:none}
      .hero{min-height:auto}
      .hero-grid{grid-template-columns:1fr;gap:18px}
      .hero-copy,.hero-stage-wrap,.value-left,.value-right,.hero-actions,.hero-metrics{grid-column:1}
      .value-side{grid-row:auto;grid-template-columns:repeat(2,1fr)}
      .hero-stage-wrap{grid-row:auto;max-width:620px}
      .coupon-grid{grid-template-columns:1fr 1fr}
      .coupon.featured{grid-row:auto;grid-column:span 2}
      .rule-wrap,.story-grid,.lead-wrap,.news-layout{grid-template-columns:1fr}
      .recommend-card{position:relative;top:auto}
      .cta-box{grid-template-columns:1fr}
    }
    @media (max-width:768px){
      .container-site,.nav-shell,.mobile-menu{width:min(100% - 28px, var(--container))}
      .nav-links,.nav-action{display:none}
      .mobile-toggle{display:grid;place-items:center}
      .brand-text{max-width:210px}
      .site-header{top:10px}
      .hero{padding:118px 0 62px}
      .hero-copy{text-align:left}
      .hero-actions{justify-content:flex-start}
      .hero-metrics{justify-content:flex-start}
      .content-rail{grid-template-columns:1fr}
      .progress-item{grid-template-columns:76px 1fr 40px}
      .value-side{grid-template-columns:1fr}
      .section-pad{padding:64px 0}
      .section-head{display:block}
      .coupon-grid,.three-grid,.guide-layout,.faq-grid,.story-stat{grid-template-columns:1fr}
      .coupon.featured{grid-column:auto}
      .news-link{grid-template-columns:1fr;gap:12px}
      .news-date{place-items:start;align-items:center;min-height:auto;padding:10px 12px;width:max-content}
      .form-grid{grid-template-columns:1fr}
      .cta-box{padding:32px 24px;border-radius:30px}
      .footer-grid{grid-template-columns:1fr}
      .footer-links{justify-content:flex-start}
      .floating-cta{width:calc(100% - 28px);justify-content:space-between;border-radius:22px}
    }
    @media (max-width:520px){
      h1{font-size:40px}
      .hero-lead{font-size:15px}
      .btn{width:100%}
      .hero-actions .btn{width:auto;flex:1 1 190px}
      .stage-card{border-radius:26px;padding:10px}
      .stage-inner{border-radius:20px;padding:14px}
      .coupon,.power-card,.guide-card,.form-card{border-radius:24px;padding:22px}
      .rule-item{grid-template-columns:1fr}
      .floating-cta span{display:none}
    }