/* roulang page: index */
:root{
      --green:#12B981;
      --green-dark:#073B35;
      --green-ink:#092521;
      --lime:#B7F264;
      --gold:#F7C948;
      --bg:#F7FAF8;
      --card:#FFFFFF;
      --muted:#64746F;
      --text:#10231F;
      --line:#DDEBE5;
      --soft:#EAFBF4;
      --danger:#E5484D;
      --radius:24px;
      --radius-lg:32px;
      --shadow:0 18px 50px rgba(7,59,53,.10);
      --shadow-sm:0 10px 30px rgba(7,59,53,.08);
      --max:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 10% 0%, rgba(183,242,100,.18), transparent 28%),
        radial-gradient(circle at 90% 8%, rgba(18,185,129,.16), transparent 30%),
        var(--bg);
      line-height:1.72;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,select,textarea{font:inherit}
    button{cursor:pointer}
    ::selection{background:rgba(18,185,129,.22)}
    .container{width:min(var(--max), calc(100% - 40px));margin-inline:auto}
    .glass{
      background:rgba(255,255,255,.78);
      border:1px solid rgba(221,235,229,.88);
      backdrop-filter:blur(18px);
      box-shadow:var(--shadow-sm);
    }
    .site-header{
      position:sticky;
      top:0;
      z-index:80;
      border-bottom:1px solid rgba(221,235,229,.76);
      background:rgba(247,250,248,.88);
      backdrop-filter:blur(18px);
    }
    .nav-wrap{
      min-height:76px;
      display:flex;
      align-items:center;
      gap:18px;
      justify-content:space-between;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:max-content;
      font-weight:900;
      letter-spacing:.02em;
    }
    .brand-mark{
      width:42px;
      height:42px;
      border-radius:16px;
      display:grid;
      place-items:center;
      color:#fff;
      background:linear-gradient(135deg,var(--green-dark),var(--green));
      box-shadow:0 14px 30px rgba(18,185,129,.28);
      position:relative;
      overflow:hidden;
    }
    .brand-mark::after{
      content:"";
      position:absolute;
      width:18px;
      height:18px;
      border-radius:50%;
      background:rgba(183,242,100,.75);
      right:-4px;
      top:-4px;
    }
    .brand-name{font-size:21px;color:var(--green-ink)}
    .nav-links{
      display:flex;
      align-items:center;
      gap:4px;
      padding:8px;
      border-radius:999px;
      background:#fff;
      border:1px solid var(--line);
      box-shadow:0 8px 24px rgba(7,59,53,.06);
    }
    .nav-links a{
      padding:10px 13px;
      border-radius:999px;
      color:#35524B;
      font-weight:700;
      font-size:14px;
      white-space:nowrap;
      transition:.22s ease;
    }
    .nav-links a:hover,.nav-links a:focus{
      color:var(--green-dark);
      background:var(--soft);
      outline:none;
    }
    .nav-links a.active{
      color:#fff;
      background:linear-gradient(135deg,var(--green-dark),var(--green));
      box-shadow:0 10px 22px rgba(18,185,129,.18);
    }
    .nav-action{
      display:flex;
      align-items:center;
      gap:10px;
      min-width:max-content;
    }
    .status-pill{
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:9px 12px;
      border-radius:999px;
      background:#fff;
      border:1px solid var(--line);
      color:#365B52;
      font-size:13px;
      font-weight:800;
    }
    .status-dot{
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--green);
      box-shadow:0 0 0 6px rgba(18,185,129,.14);
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      border:0;
      border-radius:999px;
      padding:13px 20px;
      font-weight:900;
      letter-spacing:.01em;
      transition:transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease;
      min-height:48px;
    }
    .btn-primary{
      color:#fff;
      background:linear-gradient(135deg,var(--green-dark),var(--green));
      box-shadow:0 16px 34px rgba(18,185,129,.25);
    }
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 20px 42px rgba(18,185,129,.32)}
    .btn-ghost{
      color:var(--green-dark);
      background:#fff;
      border:1px solid var(--line);
      box-shadow:0 10px 24px rgba(7,59,53,.06);
    }
    .btn-ghost:hover{transform:translateY(-2px);border-color:rgba(18,185,129,.38);background:var(--soft)}
    .btn-dark{
      color:#fff;
      background:#0E2B26;
      box-shadow:0 14px 32px rgba(14,43,38,.18);
    }
    .btn:focus-visible,.menu-toggle:focus-visible,input:focus,select:focus,textarea:focus{
      outline:3px solid rgba(18,185,129,.28);
      outline-offset:3px;
    }
    .menu-toggle{
      display:none;
      width:46px;
      height:46px;
      border-radius:16px;
      border:1px solid var(--line);
      background:#fff;
      color:var(--green-dark);
    }
    .section{padding:70px 0}
    .section-tight{padding:48px 0}
    .section-head{
      display:flex;
      align-items:end;
      justify-content:space-between;
      gap:24px;
      margin-bottom:28px;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 12px;
      border-radius:999px;
      background:rgba(18,185,129,.10);
      color:var(--green-dark);
      font-weight:900;
      font-size:13px;
      border:1px solid rgba(18,185,129,.18);
    }
    .section h2{
      font-size:clamp(28px,4vw,46px);
      line-height:1.15;
      letter-spacing:-.04em;
      margin:12px 0 0;
      color:var(--green-ink);
    }
    .section-desc{
      max-width:620px;
      color:var(--muted);
      font-size:16px;
      margin:12px 0 0;
    }
    .hero{
      padding:28px 0 58px;
      position:relative;
    }
    .hero-bento{
      display:grid;
      grid-template-columns:1.35fr .72fr;
      grid-template-rows:auto auto;
      gap:18px;
    }
    .hero-main{
      min-height:520px;
      border-radius:var(--radius-lg);
      padding:46px;
      overflow:hidden;
      position:relative;
      background:
        linear-gradient(120deg, rgba(7,59,53,.92), rgba(7,59,53,.62)),
        url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
      color:#fff;
      box-shadow:var(--shadow);
    }
    .hero-main::before{
      content:"";
      position:absolute;
      inset:auto -80px -150px auto;
      width:360px;
      height:360px;
      border-radius:50%;
      background:rgba(183,242,100,.22);
      filter:blur(6px);
    }
    .hero-main > *{position:relative;z-index:1}
    h1{
      font-size:clamp(42px,7vw,78px);
      line-height:.98;
      margin:24px 0 22px;
      letter-spacing:-.07em;
      max-width:760px;
    }
    .hero-intro{
      max-width:720px;
      font-size:18px;
      color:rgba(255,255,255,.86);
      margin:0 0 28px;
    }
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:30px 0 32px}
    .hero-stats{
      display:grid;
      grid-template-columns:repeat(3,minmax(0,1fr));
      gap:12px;
      max-width:720px;
    }
    .stat{
      border-radius:22px;
      background:rgba(255,255,255,.12);
      border:1px solid rgba(255,255,255,.18);
      padding:16px;
      backdrop-filter:blur(10px);
    }
    .stat strong{display:block;font-size:28px;line-height:1;color:#fff}
    .stat span{display:block;margin-top:7px;color:rgba(255,255,255,.72);font-size:13px}
    .hero-side{
      display:grid;
      gap:18px;
    }
    .mini-card{
      border-radius:var(--radius-lg);
      padding:26px;
      min-height:250px;
      overflow:hidden;
      position:relative;
      background:#fff;
      border:1px solid var(--line);
      box-shadow:var(--shadow-sm);
    }
    .mini-card.dark{
      color:#fff;
      background:linear-gradient(145deg,#092521,#0D4D42);
      border-color:rgba(255,255,255,.08);
    }
    .mini-card h3{font-size:24px;line-height:1.18;margin:14px 0 10px;letter-spacing:-.03em}
    .mini-card p{color:var(--muted);margin:0}
    .mini-card.dark p{color:rgba(255,255,255,.72)}
    .success-list{display:grid;gap:10px;margin-top:20px}
    .success-list li{
      display:flex;
      align-items:center;
      gap:10px;
      list-style:none;
      color:#24544B;
      font-weight:800;
      font-size:14px;
    }
    .success-list li::before{
      content:"✓";
      width:22px;
      height:22px;
      display:grid;
      place-items:center;
      border-radius:50%;
      background:var(--green);
      color:#fff;
      font-size:13px;
    }
    .cta-strip{
      grid-column:1 / -1;
      border-radius:28px;
      padding:18px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      background:#fff;
      border:1px solid var(--line);
      box-shadow:var(--shadow-sm);
    }
    .strip-tags{display:flex;flex-wrap:wrap;gap:8px}
    .tag{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:8px 11px;
      border-radius:999px;
      color:#244B44;
      background:var(--soft);
      border:1px solid rgba(18,185,129,.18);
      font-weight:800;
      font-size:13px;
    }
    .grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
    .grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
    .grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
    .card{
      background:#fff;
      border:1px solid var(--line);
      border-radius:var(--radius);
      box-shadow:var(--shadow-sm);
      transition:.22s ease;
      overflow:hidden;
    }
    .card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(18,185,129,.30)}
    .card-pad{padding:24px}
    .icon{
      width:48px;
      height:48px;
      border-radius:18px;
      display:grid;
      place-items:center;
      background:linear-gradient(135deg,var(--soft),#fff);
      color:var(--green-dark);
      font-weight:900;
      border:1px solid rgba(18,185,129,.18);
    }
    .card h3{font-size:21px;line-height:1.25;margin:18px 0 9px;letter-spacing:-.02em;color:var(--green-ink)}
    .card p{margin:0;color:var(--muted)}
    .time-rack{
      display:grid;
      grid-template-columns:1fr 1.2fr 1fr;
      gap:18px;
      align-items:stretch;
    }
    .time-card{
      border-radius:28px;
      padding:24px;
      border:1px solid var(--line);
      background:#fff;
      box-shadow:var(--shadow-sm);
      position:relative;
      overflow:hidden;
    }
    .time-card.feature{
      background:linear-gradient(135deg,#073B35,#0F6C5C);
      color:#fff;
    }
    .time-card.feature p,.time-card.feature .time-meta{color:rgba(255,255,255,.75)}
    .time-label{
      display:inline-flex;
      padding:7px 10px;
      border-radius:999px;
      font-size:12px;
      font-weight:900;
      background:rgba(183,242,100,.20);
      color:var(--green-dark);
      border:1px solid rgba(18,185,129,.18);
    }
    .time-card.feature .time-label{color:#10342E;background:var(--lime)}
    .time-card h3{font-size:26px;line-height:1.15;margin:18px 0 10px;letter-spacing:-.04em}
    .time-meta{margin-top:22px;color:var(--muted);font-weight:800}
    .progress{
      height:10px;
      border-radius:999px;
      background:rgba(255,255,255,.18);
      overflow:hidden;
      margin-top:18px;
    }
    .progress span{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--lime),var(--green));}
    .news-layout{
      display:grid;
      grid-template-columns:1.28fr .72fr;
      gap:22px;
    }
    .news-list{display:grid;gap:12px}
    .news-item{
      display:grid;
      grid-template-columns:112px 1fr auto;
      gap:18px;
      align-items:center;
      padding:18px;
      border-radius:24px;
      background:#fff;
      border:1px solid var(--line);
      box-shadow:0 10px 28px rgba(7,59,53,.06);
      transition:.22s ease;
    }
    .news-item:hover{transform:translateX(3px);border-color:rgba(18,185,129,.34)}
    .news-date{
      color:var(--green-dark);
      font-weight:900;
      background:var(--soft);
      border-radius:18px;
      padding:12px;
      text-align:center;
      line-height:1.25;
    }
    .news-item h3{font-size:19px;margin:0 0 5px;color:var(--green-ink)}
    .news-item p{margin:0;color:var(--muted);font-size:14px}
    .read-more{
      padding:10px 13px;
      border-radius:999px;
      font-weight:900;
      color:var(--green-dark);
      background:#fff;
      border:1px solid var(--line);
      white-space:nowrap;
      transition:.2s ease;
    }
    .read-more:hover{background:var(--soft);border-color:rgba(18,185,129,.35)}
    .recommend{
      min-height:100%;
      border-radius:30px;
      padding:24px;
      background:
        linear-gradient(180deg,rgba(9,37,33,.55),rgba(9,37,33,.86)),
        url('/assets/images/coverpic/cover-2.webp') center/cover no-repeat;
      color:#fff;
      box-shadow:var(--shadow);
      display:flex;
      flex-direction:column;
      justify-content:space-between;
    }
    .recommend p{color:rgba(255,255,255,.78)}
    .form-stage{
      display:grid;
      grid-template-columns:.9fr 1.1fr;
      gap:24px;
      align-items:stretch;
    }
    .stage-panel{
      border-radius:32px;
      padding:30px;
      background:
        linear-gradient(140deg,rgba(7,59,53,.92),rgba(18,185,129,.68)),
        url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
      color:#fff;
      box-shadow:var(--shadow);
      overflow:hidden;
      position:relative;
    }
    .stage-panel p{color:rgba(255,255,255,.78)}
    .screen-card{
      margin-top:28px;
      border-radius:26px;
      padding:18px;
      background:rgba(255,255,255,.12);
      border:1px solid rgba(255,255,255,.18);
      backdrop-filter:blur(12px);
    }
    .screen-row{
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:14px;
      padding:14px 0;
      border-bottom:1px solid rgba(255,255,255,.12);
    }
    .screen-row:last-child{border-bottom:0}
    .ok{color:var(--lime);font-weight:900}
    .form-card{
      border-radius:32px;
      padding:30px;
      background:#fff;
      border:1px solid var(--line);
      box-shadow:var(--shadow-sm);
    }
    .form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
    .field{display:grid;gap:7px}
    .field.full{grid-column:1/-1}
    .field label{font-weight:900;color:#254C44;font-size:14px}
    .field input,.field select,.field textarea{
      width:100%;
      border:1px solid var(--line);
      background:#FDFEFE;
      border-radius:16px;
      padding:13px 14px;
      color:var(--text);
      transition:.2s ease;
    }
    .field textarea{min-height:116px;resize:vertical}
    .field input:focus,.field select:focus,.field textarea:focus{border-color:rgba(18,185,129,.55);background:#fff}
    .story-band{
      border-radius:34px;
      padding:38px;
      background:#fff;
      border:1px solid var(--line);
      box-shadow:var(--shadow-sm);
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:28px;
      align-items:center;
      overflow:hidden;
    }
    .story-image{
      border-radius:28px;
      overflow:hidden;
      min-height:360px;
      background:url('/assets/images/coverpic/cover-5.webp') center/cover no-repeat;
      box-shadow:var(--shadow);
    }
    .topic-cloud{display:flex;flex-wrap:wrap;gap:12px}
    .topic-cloud a{
      display:inline-flex;
      align-items:center;
      border-radius:999px;
      padding:11px 15px;
      background:#fff;
      border:1px solid var(--line);
      color:#2E514A;
      font-weight:900;
      box-shadow:0 8px 20px rgba(7,59,53,.05);
      transition:.2s ease;
    }
    .topic-cloud a:hover{background:var(--green-dark);color:#fff;transform:translateY(-2px)}
    .guard-bar{
      display:grid;
      grid-template-columns:repeat(4,minmax(0,1fr));
      gap:14px;
      padding:18px;
      border-radius:30px;
      background:#fff;
      border:1px solid var(--line);
      box-shadow:var(--shadow-sm);
    }
    .guard-item{
      display:flex;
      gap:14px;
      align-items:flex-start;
      padding:14px;
      border-radius:22px;
      background:linear-gradient(180deg,#fff,var(--soft));
    }
    .compare{
      overflow:hidden;
      border-radius:30px;
      border:1px solid var(--line);
      box-shadow:var(--shadow-sm);
      background:#fff;
    }
    .compare-grid{
      display:grid;
      grid-template-columns:1fr repeat(3,1fr);
    }
    .compare-cell{
      padding:18px;
      border-right:1px solid var(--line);
      border-bottom:1px solid var(--line);
      min-height:74px;
    }
    .compare-cell:nth-child(4n){border-right:0}
    .compare-head{font-weight:900;color:var(--green-ink);background:#F4FAF7}
    .compare-highlight{background:linear-gradient(180deg,rgba(18,185,129,.10),rgba(183,242,100,.12))}
    .price{font-size:28px;font-weight:950;color:var(--green-dark)}
    .steps{
      counter-reset:step;
      display:grid;
      grid-template-columns:repeat(4,minmax(0,1fr));
      gap:16px;
    }
    .step-card{
      position:relative;
      padding:24px;
      border-radius:26px;
      background:#fff;
      border:1px solid var(--line);
      box-shadow:var(--shadow-sm);
    }
    .step-card::before{
      counter-increment:step;
      content:"0" counter(step);
      display:inline-grid;
      place-items:center;
      width:42px;
      height:42px;
      border-radius:16px;
      color:#fff;
      font-weight:950;
      background:linear-gradient(135deg,var(--green-dark),var(--green));
    }
    .reward-stage{
      display:grid;
      grid-template-columns:1fr 1fr 1fr;
      gap:18px;
    }
    .reward-card{
      min-height:260px;
      border-radius:30px;
      padding:24px;
      background:#fff;
      border:1px solid var(--line);
      box-shadow:var(--shadow-sm);
      display:flex;
      flex-direction:column;
      justify-content:space-between;
    }
    .reward-card:nth-child(2){
      background:linear-gradient(145deg,#073B35,#11936F);
      color:#fff;
      transform:translateY(-10px);
    }
    .reward-card:nth-child(2) p{color:rgba(255,255,255,.75)}
    .quote-wall{
      display:grid;
      grid-template-columns:1fr 1fr 1fr;
      gap:18px;
    }
    .quote{
      border-radius:26px;
      padding:24px;
      background:#fff;
      border:1px solid var(--line);
      box-shadow:var(--shadow-sm);
    }
    .quote p{color:#45635C}
    .avatar{
      display:flex;
      align-items:center;
      gap:12px;
      margin-top:18px;
      font-weight:900;
      color:var(--green-ink);
    }
    .avatar span{
      width:42px;height:42px;border-radius:50%;display:grid;place-items:center;background:var(--soft);color:var(--green-dark)
    }
    .faq-wrap{display:grid;grid-template-columns:.8fr 1.2fr;gap:24px}
    .faq-list{display:grid;gap:12px}
    details{
      border-radius:22px;
      background:#fff;
      border:1px solid var(--line);
      box-shadow:0 10px 24px rgba(7,59,53,.05);
      overflow:hidden;
    }
    summary{
      padding:18px 20px;
      font-weight:950;
      color:var(--green-ink);
      cursor:pointer;
      list-style:none;
      display:flex;
      justify-content:space-between;
      gap:16px;
    }
    summary::-webkit-details-marker{display:none}
    summary::after{content:"＋";color:var(--green);font-weight:950}
    details[open] summary::after{content:"－"}
    details p{padding:0 20px 20px;margin:0;color:var(--muted)}
    .final-cta{
      border-radius:36px;
      padding:42px;
      background:
        linear-gradient(120deg,rgba(7,59,53,.96),rgba(7,59,53,.72)),
        url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
      color:#fff;
      box-shadow:var(--shadow);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:24px;
    }
    .final-cta p{color:rgba(255,255,255,.78);max-width:720px}
    .site-footer{
      background:#071F1B;
      color:rgba(255,255,255,.76);
      padding:54px 0 28px;
      margin-top:30px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.2fr 1.6fr;
      gap:36px;
      padding-bottom:30px;
      border-bottom:1px solid rgba(255,255,255,.10);
    }
    .footer-brand{
      display:flex;
      align-items:center;
      gap:12px;
      color:#fff;
      font-size:22px;
      font-weight:950;
    }
    .footer-nav{
      display:grid;
      grid-template-columns:repeat(4,minmax(0,1fr));
      gap:12px;
    }
    .footer-nav a{
      padding:10px 0;
      color:rgba(255,255,255,.72);
      transition:.2s ease;
    }
    .footer-nav a:hover{color:var(--lime)}
    .footer-bottom{
      display:flex;
      flex-wrap:wrap;
      justify-content:space-between;
      gap:14px;
      padding-top:22px;
      font-size:14px;
    }
    .footer-bottom a{color:var(--lime)}
    .mobile-panel{display:none}
    @media (max-width:1100px){
      .nav-links{display:none}
      .menu-toggle{display:grid;place-items:center}
      .mobile-panel{
        display:none;
        padding:0 0 18px;
      }
      .mobile-panel.open{display:block}
      .mobile-panel .nav-links{
        display:grid;
        grid-template-columns:repeat(2,minmax(0,1fr));
        border-radius:24px;
        padding:10px;
      }
      .status-pill{display:none}
      .hero-bento,.form-stage,.story-band,.news-layout,.faq-wrap{grid-template-columns:1fr}
      .hero-main{min-height:auto}
      .time-rack{grid-template-columns:1fr}
      .guard-bar,.steps{grid-template-columns:repeat(2,minmax(0,1fr))}
      .grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}
    }
    @media (max-width:768px){
      .container{width:min(100% - 28px,var(--max))}
      .section{padding:52px 0}
      .section-head{display:block}
      .hero-main{padding:30px;border-radius:28px}
      .hero-stats,.grid-3,.grid-2,.reward-stage,.quote-wall{grid-template-columns:1fr}
      .cta-strip,.final-cta{display:block}
      .cta-strip .btn,.final-cta .btn{margin-top:16px;width:100%}
      .news-item{grid-template-columns:1fr;align-items:start}
      .form-grid{grid-template-columns:1fr}
      .guard-bar,.steps,.grid-4{grid-template-columns:1fr}
      .compare{overflow-x:auto}
      .compare-grid{min-width:760px}
      .footer-grid{grid-template-columns:1fr}
      .footer-nav{grid-template-columns:repeat(2,minmax(0,1fr))}
      .nav-action .btn{display:none}
    }
    @media (max-width:520px){
      .brand-name{font-size:18px}
      h1{font-size:42px}
      .hero-intro{font-size:16px}
      .hero-actions .btn{width:100%}
      .mini-card,.card-pad,.form-card,.stage-panel,.story-band,.final-cta{padding:22px}
      .footer-nav{grid-template-columns:1fr}
    }

/* roulang page: category3 */
:root{
      --brand:#13b981;
      --brand-dark:#059669;
      --brand-soft:#d1fae5;
      --ink:#0f172a;
      --muted:#64748b;
      --line:#e2e8f0;
      --bg:#f8fafc;
      --panel:#ffffff;
      --gold:#f59e0b;
      --red:#ef4444;
      --cyan:#06b6d4;
      --shadow:0 20px 50px rgba(15,23,42,.10);
      --shadow-soft:0 10px 30px rgba(15,23,42,.07);
      --radius:24px;
      --radius-sm:16px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
      color:var(--ink);
      background:
        radial-gradient(circle at 8% 2%, rgba(19,185,129,.12), transparent 34%),
        radial-gradient(circle at 92% 10%, rgba(6,182,212,.10), transparent 34%),
        var(--bg);
      line-height:1.75;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    .container{width:min(1180px, calc(100% - 40px));margin:0 auto}
    .site-header{
      position:sticky;top:0;z-index:50;
      background:rgba(255,255,255,.88);
      backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(226,232,240,.85);
    }
    .header-inner{
      min-height:76px;
      display:flex;align-items:center;justify-content:space-between;gap:18px;
    }
    .logo{
      display:flex;align-items:center;gap:12px;flex:0 0 auto;
      font-weight:900;font-size:22px;letter-spacing:.02em;
    }
    .brand-mark{
      width:40px;height:40px;border-radius:14px;
      display:inline-flex;align-items:center;justify-content:center;
      color:white;font-weight:900;
      background:linear-gradient(135deg,var(--brand),#0ea5e9);
      box-shadow:0 10px 22px rgba(19,185,129,.25);
    }
    .nav-shell{display:flex;align-items:center;gap:14px;min-width:0}
    .nav-links{
      display:flex;align-items:center;gap:4px;
      padding:7px;border:1px solid rgba(226,232,240,.9);
      border-radius:999px;background:rgba(248,250,252,.78);
      overflow:auto;scrollbar-width:none;
      max-width:720px;
    }
    .nav-links::-webkit-scrollbar{display:none}
    .nav-links a{
      white-space:nowrap;
      padding:9px 13px;border-radius:999px;
      font-size:14px;font-weight:700;color:#475569;
      transition:.22s ease;
    }
    .nav-links a:hover{background:#ecfdf5;color:var(--brand-dark);transform:translateY(-1px)}
    .nav-links a.active{
      background:var(--ink);color:white;
      box-shadow:0 8px 20px rgba(15,23,42,.18);
    }
    .header-cta{
      display:flex;align-items:center;gap:10px;
      padding:10px 15px;border-radius:999px;
      color:#065f46;background:#ecfdf5;border:1px solid #a7f3d0;
      font-size:14px;font-weight:800;
      transition:.22s ease;white-space:nowrap;
    }
    .header-cta:hover{background:#d1fae5;transform:translateY(-1px)}
    .status-dot{width:8px;height:8px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 6px rgba(19,185,129,.12)}
    .section{padding:72px 0}
    .section-tight{padding:52px 0}
    .eyebrow{
      display:inline-flex;align-items:center;gap:8px;
      padding:8px 12px;border-radius:999px;
      background:#ecfdf5;color:#047857;border:1px solid #a7f3d0;
      font-size:13px;font-weight:900;
    }
    .eyebrow.dark{background:rgba(255,255,255,.12);color:#d1fae5;border-color:rgba(255,255,255,.18)}
    .hero{
      position:relative;overflow:hidden;
      padding:56px 0 34px;
      background:
        linear-gradient(135deg, rgba(255,255,255,.96), rgba(240,253,244,.92)),
        url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
      border-bottom:1px solid rgba(226,232,240,.9);
    }
    .hero::after{
      content:"";position:absolute;inset:auto -8% -45% auto;
      width:520px;height:520px;border-radius:50%;
      background:radial-gradient(circle, rgba(19,185,129,.18), transparent 65%);
      pointer-events:none;
    }
    .hero-grid{
      position:relative;z-index:1;
      display:grid;grid-template-columns:1.03fr .97fr;gap:34px;align-items:center;
    }
    h1{
      margin:18px 0 14px;
      font-size:clamp(34px,5vw,62px);
      line-height:1.08;letter-spacing:-.045em;font-weight:950;
    }
    .lead{font-size:18px;color:#475569;max-width:720px}
    .hero-actions,.action-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:9px;
      min-height:46px;padding:12px 18px;border-radius:14px;
      font-weight:900;border:1px solid transparent;
      transition:.22s ease;cursor:pointer;
    }
    .btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand-dark));color:white;box-shadow:0 16px 34px rgba(19,185,129,.28)}
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 20px 42px rgba(19,185,129,.34)}
    .btn-secondary{background:white;color:var(--ink);border-color:var(--line);box-shadow:var(--shadow-soft)}
    .btn-secondary:hover{border-color:#86efac;transform:translateY(-2px)}
    .btn:focus,.nav-links a:focus,.header-cta:focus,input:focus{outline:3px solid rgba(19,185,129,.28);outline-offset:3px}
    .status-panel{
      border:1px solid rgba(226,232,240,.9);
      background:rgba(255,255,255,.86);
      border-radius:var(--radius);
      padding:18px;
      box-shadow:var(--shadow);
    }
    .status-bar{
      display:flex;align-items:center;justify-content:space-between;gap:10px;
      padding:12px 14px;border-radius:18px;
      background:#0f172a;color:white;margin-bottom:14px;
    }
    .status-bar small{color:#bbf7d0;font-weight:800}
    .icon-matrix{
      display:grid;grid-template-columns:repeat(3,1fr);gap:12px;
    }
    .matrix-card{
      min-height:108px;padding:14px;border-radius:18px;
      background:#f8fafc;border:1px solid var(--line);
      transition:.22s ease;
    }
    .matrix-card:hover{transform:translateY(-3px);border-color:#86efac;background:#f0fdf4}
    .matrix-icon{
      width:36px;height:36px;border-radius:12px;
      display:flex;align-items:center;justify-content:center;
      background:#dcfce7;color:#047857;font-weight:950;margin-bottom:10px;
    }
    .matrix-card strong{display:block;font-size:15px}
    .matrix-card span{font-size:12px;color:var(--muted)}
    .hero-note{
      margin-top:14px;display:grid;grid-template-columns:1fr auto;gap:12px;align-items:center;
      padding:14px;border-radius:18px;background:#ecfdf5;border:1px solid #bbf7d0;
    }
    .progress{
      height:10px;border-radius:999px;background:#e2e8f0;overflow:hidden;
    }
    .progress span{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--brand),#22c55e)}
    .split{
      display:grid;grid-template-columns:.85fr 1.15fr;gap:28px;align-items:start;
    }
    .section-title{font-size:clamp(26px,3.5vw,42px);line-height:1.18;font-weight:950;letter-spacing:-.035em;margin:12px 0 12px}
    .section-desc{color:#64748b;font-size:17px;max-width:760px}
    .card{
      background:rgba(255,255,255,.92);
      border:1px solid rgba(226,232,240,.94);
      border-radius:var(--radius);
      box-shadow:var(--shadow-soft);
      transition:.22s ease;
    }
    .card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#bbf7d0}
    .feature-list{display:grid;gap:14px}
    .feature-item{
      display:grid;grid-template-columns:44px 1fr;gap:14px;
      padding:16px;border-radius:20px;background:white;border:1px solid var(--line);
    }
    .feature-item .num{
      width:44px;height:44px;border-radius:16px;
      background:#ecfdf5;color:#047857;display:flex;align-items:center;justify-content:center;font-weight:950;
    }
    .feature-item h3{font-size:18px;font-weight:950;margin:0 0 4px}
    .feature-item p{margin:0;color:var(--muted);font-size:15px}
    .screenshot-stage{
      padding:16px;border-radius:30px;background:linear-gradient(135deg,#0f172a,#064e3b);
      box-shadow:var(--shadow);position:relative;overflow:hidden;
    }
    .screenshot-stage::before{
      content:"";position:absolute;inset:-30% -20% auto auto;width:260px;height:260px;
      border-radius:50%;background:rgba(34,197,94,.24);filter:blur(8px);
    }
    .screen-top{position:relative;display:flex;gap:7px;margin-bottom:12px}
    .screen-top i{width:10px;height:10px;border-radius:50%;background:#34d399}
    .screen-top i:nth-child(2){background:#fbbf24}.screen-top i:nth-child(3){background:#fb7185}
    .screen-card{
      position:relative;border-radius:22px;overflow:hidden;background:white;
    }
    .screen-card img{width:100%;height:360px;object-fit:cover}
    .screen-overlay{
      position:absolute;left:16px;right:16px;bottom:16px;
      background:rgba(255,255,255,.9);backdrop-filter:blur(14px);
      border:1px solid rgba(255,255,255,.65);
      border-radius:20px;padding:14px;
    }
    .metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .metric{
      padding:18px;border-radius:22px;background:white;border:1px solid var(--line);
      box-shadow:var(--shadow-soft);
    }
    .metric b{font-size:28px;line-height:1;font-weight:950;color:#047857}
    .metric span{display:block;margin-top:8px;color:var(--muted);font-size:14px}
    .reward-wrap{
      display:grid;grid-template-columns:1.1fr .9fr;gap:22px;align-items:stretch;
    }
    .reward-card{padding:22px;position:relative;overflow:hidden}
    .reward-card::after{
      content:"";position:absolute;right:-50px;top:-50px;width:150px;height:150px;border-radius:50%;
      background:rgba(19,185,129,.12);
    }
    .reward-row{
      display:flex;align-items:center;justify-content:space-between;gap:14px;
      padding:14px 0;border-bottom:1px dashed var(--line);
    }
    .reward-row:last-child{border-bottom:0}
    .tag{
      display:inline-flex;align-items:center;gap:6px;
      padding:6px 10px;border-radius:999px;
      background:#f1f5f9;color:#475569;font-size:12px;font-weight:900;
    }
    .tag.success{background:#dcfce7;color:#047857}
    .timeline{display:grid;gap:14px}
    .step{
      display:grid;grid-template-columns:42px 1fr auto;gap:14px;align-items:center;
      padding:16px;border-radius:22px;background:white;border:1px solid var(--line);
    }
    .step .dot{
      width:42px;height:42px;border-radius:15px;background:#ecfdf5;color:#047857;
      display:flex;align-items:center;justify-content:center;font-weight:950;
    }
    .step h3{font-weight:950;margin:0}
    .step p{margin:2px 0 0;color:var(--muted);font-size:14px}
    .success-pill{padding:6px 10px;border-radius:999px;background:#dcfce7;color:#047857;font-size:12px;font-weight:950}
    .dark-block{
      background:linear-gradient(135deg,#0f172a,#064e3b);
      color:white;border-radius:34px;padding:34px;overflow:hidden;position:relative;
    }
    .dark-block::after{
      content:"";position:absolute;right:-90px;bottom:-120px;width:330px;height:330px;border-radius:50%;
      background:rgba(34,197,94,.16);
    }
    .dark-grid{position:relative;z-index:1;display:grid;grid-template-columns:.9fr 1.1fr;gap:26px}
    .check-list{display:grid;gap:12px}
    .check-list li{
      list-style:none;display:flex;gap:10px;align-items:flex-start;
      color:#dbeafe;
    }
    .check-list li::before{
      content:"✓";flex:0 0 24px;height:24px;border-radius:50%;
      display:flex;align-items:center;justify-content:center;
      background:#22c55e;color:white;font-weight:950;font-size:13px;
    }
    .compare-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .compare-card{padding:20px}
    .compare-card h3{font-size:19px;font-weight:950;margin:0 0 8px}
    .compare-card p{color:var(--muted);margin:0}
    .faq{display:grid;gap:12px;max-width:900px}
    details{
      background:white;border:1px solid var(--line);border-radius:20px;
      padding:18px 20px;box-shadow:0 8px 24px rgba(15,23,42,.04);
    }
    summary{cursor:pointer;font-weight:950;list-style:none;display:flex;justify-content:space-between;gap:16px}
    summary::-webkit-details-marker{display:none}
    summary::after{content:"+";color:#047857;font-size:22px;line-height:1}
    details[open] summary::after{content:"−"}
    details p{margin:10px 0 0;color:var(--muted)}
    .cta{
      background:
        linear-gradient(135deg, rgba(240,253,244,.95), rgba(255,255,255,.96)),
        url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
      border:1px solid #bbf7d0;border-radius:34px;padding:36px;
      display:grid;grid-template-columns:1fr auto;gap:24px;align-items:center;
      box-shadow:var(--shadow-soft);
    }
    .mini-form{
      display:flex;gap:10px;padding:8px;border-radius:18px;background:white;border:1px solid var(--line);
      box-shadow:var(--shadow-soft);
    }
    .mini-form input{border:0;outline:0;padding:0 8px;min-width:220px;color:var(--ink)}
    .site-footer{
      padding:48px 0 28px;background:#0f172a;color:#cbd5e1;margin-top:70px;
    }
    .footer-grid{
      display:grid;grid-template-columns:1.1fr .9fr;gap:28px;padding-bottom:26px;
      border-bottom:1px solid rgba(255,255,255,.12);
    }
    .footer-brand{display:flex;align-items:center;gap:12px;font-weight:950;font-size:22px;color:white}
    .footer-nav{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
    .footer-nav a,.footer-bottom a{color:#cbd5e1;transition:.22s ease}
    .footer-nav a:hover,.footer-bottom a:hover{color:#86efac}
    .footer-bottom{
      display:flex;justify-content:space-between;gap:20px;align-items:center;
      padding-top:22px;color:#94a3b8;font-size:14px;
    }
    @media (max-width:1024px){
      .header-inner{align-items:flex-start;flex-direction:column;padding:14px 0}
      .nav-shell{width:100%;justify-content:space-between}
      .nav-links{max-width:100%}
      .hero-grid,.split,.reward-wrap,.dark-grid,.cta{grid-template-columns:1fr}
      .screen-card img{height:320px}
    }
    @media (max-width:768px){
      .container{width:min(100% - 28px,1180px)}
      .section{padding:54px 0}
      .nav-shell{flex-direction:column;align-items:stretch}
      .header-cta{justify-content:center}
      .icon-matrix,.metric-grid,.compare-grid{grid-template-columns:1fr 1fr}
      .footer-grid,.footer-bottom{grid-template-columns:1fr;display:grid}
      .cta{padding:24px}
      .mini-form{flex-direction:column}
      .mini-form input{min-width:0;min-height:44px}
    }
    @media (max-width:520px){
      h1{font-size:34px}
      .lead{font-size:16px}
      .icon-matrix,.metric-grid,.compare-grid{grid-template-columns:1fr}
      .step{grid-template-columns:42px 1fr}
      .step .success-pill{grid-column:2}
      .hero-note{grid-template-columns:1fr}
      .dark-block{padding:24px;border-radius:26px}
      .screen-card img{height:240px}
      .footer-nav{grid-template-columns:1fr}
    }

/* roulang page: category4 */
:root{
      --brand:#16a34a;
      --brand-dark:#087a35;
      --brand-soft:#dcfce7;
      --accent:#f59e0b;
      --ink:#0f172a;
      --muted:#64748b;
      --line:#e2e8f0;
      --paper:#ffffff;
      --bg:#f7faf8;
      --dark:#07150e;
      --radius-xl:28px;
      --radius-lg:20px;
      --radius-md:14px;
      --shadow-card:0 18px 50px rgba(15,23,42,.10);
      --shadow-soft:0 10px 30px rgba(22,163,74,.16);
      --container:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
      color:var(--ink);
      background:
        radial-gradient(circle at 10% 0%, rgba(34,197,94,.10), transparent 32%),
        linear-gradient(180deg,#f7fff9 0%,#f8fafc 45%,#ffffff 100%);
      line-height:1.75;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    .container{width:min(var(--container), calc(100% - 40px));margin:0 auto}
    .site-header{
      position:sticky;top:0;z-index:50;
      backdrop-filter:saturate(160%) blur(18px);
      background:rgba(255,255,255,.88);
      border-bottom:1px solid rgba(226,232,240,.9);
      box-shadow:0 8px 24px rgba(15,23,42,.04);
    }
    .header-inner{
      min-height:78px;display:flex;align-items:center;justify-content:space-between;gap:18px;
    }
    .brand{
      display:flex;align-items:center;gap:12px;font-weight:900;font-size:22px;letter-spacing:.02em;white-space:nowrap;
    }
    .brand-mark,.footer-brand .brand-mark{
      width:42px;height:42px;border-radius:15px;
      display:inline-flex;align-items:center;justify-content:center;
      color:#fff;font-weight:900;
      background:linear-gradient(135deg,#16a34a,#22c55e 52%,#facc15);
      box-shadow:0 12px 26px rgba(22,163,74,.28);
    }
    .nav-wrap{display:flex;align-items:center;gap:18px;min-width:0}
    .nav-links{
      display:flex;align-items:center;gap:6px;padding:7px;
      border:1px solid rgba(226,232,240,.9);
      border-radius:999px;background:rgba(248,250,252,.85);
      overflow-x:auto;scrollbar-width:none;max-width:780px;
    }
    .nav-links::-webkit-scrollbar{display:none}
    .nav-links a{
      white-space:nowrap;padding:9px 14px;border-radius:999px;
      color:#334155;font-size:14px;font-weight:700;
      transition:background .22s ease,color .22s ease,transform .22s ease;
    }
    .nav-links a:hover{background:#ecfdf5;color:var(--brand-dark);transform:translateY(-1px)}
    .nav-links a.active{background:var(--brand);color:#fff;box-shadow:0 10px 22px rgba(22,163,74,.22)}
    .nav-cta{
      display:flex;align-items:center;gap:10px;white-space:nowrap;
    }
    .status-pill{
      display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;
      background:#ecfdf5;color:#047857;border:1px solid #bbf7d0;font-size:13px;font-weight:800;
    }
    .status-dot{width:8px;height:8px;border-radius:99px;background:#22c55e;box-shadow:0 0 0 6px rgba(34,197,94,.13)}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:9px;
      border:0;border-radius:999px;padding:13px 20px;font-weight:900;
      cursor:pointer;transition:transform .22s ease,box-shadow .22s ease,background .22s ease,border-color .22s ease;
    }
    .btn:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid rgba(22,163,74,.32);outline-offset:3px}
    .btn-primary{background:linear-gradient(135deg,#16a34a,#22c55e);color:#fff;box-shadow:0 14px 30px rgba(22,163,74,.25)}
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 36px rgba(22,163,74,.32)}
    .btn-ghost{background:#fff;color:#14532d;border:1px solid #bbf7d0}
    .btn-ghost:hover{background:#f0fdf4;transform:translateY(-2px)}
    .mobile-toggle{display:none;border:0;background:#ecfdf5;color:#14532d;border-radius:14px;padding:10px 12px;font-weight:900}
    .hero{
      position:relative;padding:66px 0 42px;overflow:hidden;
    }
    .hero:before{
      content:"";position:absolute;inset:0;z-index:-2;
      background-image:linear-gradient(90deg,rgba(247,255,249,.98),rgba(247,255,249,.78),rgba(247,255,249,.92)),url('/assets/images/backpic/back-2.webp');
      background-size:cover;background-position:center;
    }
    .hero:after{
      content:"";position:absolute;right:-120px;top:70px;width:360px;height:360px;border-radius:50%;
      background:rgba(34,197,94,.16);filter:blur(10px);z-index:-1;
    }
    .hero-grid{display:grid;grid-template-columns:1.04fr .96fr;gap:34px;align-items:center}
    .eyebrow{
      display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;
      background:#fff;border:1px solid #bbf7d0;color:#047857;font-weight:900;font-size:14px;
      box-shadow:0 8px 24px rgba(15,23,42,.06);
    }
    h1{font-size:clamp(34px,5vw,62px);line-height:1.08;margin:18px 0 18px;letter-spacing:-.04em;font-weight:950}
    .lead{font-size:18px;color:#475569;max-width:680px}
    .hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
    .invite-card{
      margin-top:28px;background:rgba(255,255,255,.88);border:1px solid rgba(187,247,208,.9);
      border-radius:var(--radius-xl);padding:20px;box-shadow:var(--shadow-card);
    }
    .progress-top{display:flex;align-items:center;justify-content:space-between;gap:14px;font-weight:900}
    .progress{
      height:12px;border-radius:999px;background:#e2e8f0;overflow:hidden;margin:14px 0 12px;
    }
    .progress span{
      display:block;height:100%;width:68%;border-radius:999px;
      background:linear-gradient(90deg,#16a34a,#86efac,#facc15);
    }
    .reward-row{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:14px}
    .reward{
      background:#f8fafc;border:1px solid #e2e8f0;border-radius:16px;padding:12px;
    }
    .reward strong{display:block;color:#166534;font-size:18px}
    .stage{
      border-radius:34px;background:linear-gradient(180deg,#ffffff,#f0fdf4);
      border:1px solid rgba(187,247,208,.92);padding:18px;box-shadow:var(--shadow-card);
      position:relative;
    }
    .stage-shot{
      border-radius:26px;overflow:hidden;position:relative;border:1px solid #dbeafe;background:#fff;
    }
    .stage-shot img{width:100%;height:430px;object-fit:cover}
    .stage-shot:after{
      content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 30%,rgba(7,21,14,.70));
    }
    .floating-panel{
      position:absolute;left:34px;right:34px;bottom:34px;z-index:2;
      background:rgba(255,255,255,.93);border:1px solid rgba(226,232,240,.9);
      border-radius:22px;padding:16px;box-shadow:0 16px 38px rgba(0,0,0,.16);
    }
    .check-list{display:grid;gap:10px;margin-top:12px}
    .check-item{display:flex;align-items:flex-start;gap:10px;color:#334155;font-weight:700}
    .check-icon{
      width:22px;height:22px;border-radius:50%;background:#dcfce7;color:#15803d;
      display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;font-size:13px;font-weight:950;
    }
    main{position:relative}
    .section{padding:72px 0}
    .section-sm{padding:52px 0}
    .section-head{max-width:760px;margin-bottom:28px}
    .kicker{font-size:14px;font-weight:950;color:#16a34a;letter-spacing:.08em}
    h2{font-size:clamp(26px,3.2vw,42px);line-height:1.18;margin:8px 0 12px;font-weight:950;letter-spacing:-.03em}
    .section-head p{color:var(--muted);font-size:17px}
    .split{display:grid;grid-template-columns:.9fr 1.1fr;gap:28px;align-items:center}
    .panel,.card{
      background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-lg);
      box-shadow:0 12px 32px rgba(15,23,42,.06);
    }
    .panel{padding:26px}
    .card{padding:22px;transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease}
    .card:hover{transform:translateY(-4px);box-shadow:var(--shadow-card);border-color:#bbf7d0}
    .badge{
      display:inline-flex;align-items:center;gap:7px;padding:6px 10px;border-radius:999px;
      background:#ecfdf5;color:#047857;font-weight:900;font-size:13px;
    }
    .feature-lane{display:grid;grid-template-columns:1.15fr .85fr;gap:22px}
    .feature-main{
      min-height:390px;border-radius:var(--radius-xl);overflow:hidden;position:relative;
      background:url('/assets/images/coverpic/cover-4.webp') center/cover no-repeat;
      box-shadow:var(--shadow-card);
    }
    .feature-main:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(7,21,14,.88),rgba(7,21,14,.35))}
    .feature-copy{position:absolute;left:28px;bottom:28px;right:28px;color:#fff}
    .feature-copy p{color:#d1fae5}
    .stack-list{display:grid;gap:14px}
    .stack-item{
      display:flex;gap:14px;align-items:flex-start;background:#fff;border:1px solid var(--line);
      border-radius:18px;padding:16px;box-shadow:0 8px 20px rgba(15,23,42,.04);
    }
    .num{
      width:34px;height:34px;border-radius:12px;background:#dcfce7;color:#15803d;
      display:flex;align-items:center;justify-content:center;font-weight:950;flex:0 0 auto;
    }
    .reward-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
    .reward-preview{
      position:relative;overflow:hidden;border-radius:24px;padding:24px;color:#fff;
      background:linear-gradient(135deg,#064e3b,#16a34a);
      min-height:210px;
    }
    .reward-preview.alt{background:linear-gradient(135deg,#0f172a,#166534)}
    .reward-preview:after{
      content:"";position:absolute;right:-55px;bottom:-55px;width:180px;height:180px;border-radius:50%;
      background:rgba(255,255,255,.14);
    }
    .reward-preview p{color:#dcfce7}
    .task-board{
      background:#07150e;color:#fff;border-radius:32px;padding:30px;
      box-shadow:0 22px 60px rgba(7,21,14,.24);
    }
    .task-board .section-head p{color:#b7c9be}
    .timeline{display:grid;gap:16px;margin-top:18px}
    .timeline-row{
      display:grid;grid-template-columns:120px 1fr auto;gap:16px;align-items:center;
      padding:16px;border-radius:18px;background:rgba(255,255,255,.06);
      border:1px solid rgba(255,255,255,.10);
    }
    .timeline-row.done .num{background:#22c55e;color:#fff}
    .timeline-row.current{background:rgba(34,197,94,.14);border-color:rgba(134,239,172,.42)}
    .mini-progress{height:8px;border-radius:999px;background:rgba(255,255,255,.14);overflow:hidden;margin-top:8px}
    .mini-progress i{display:block;height:100%;background:#22c55e;border-radius:999px}
    .device-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .device-card{text-align:left}
    .device-icon{
      width:46px;height:46px;border-radius:16px;background:#ecfdf5;color:#15803d;
      display:flex;align-items:center;justify-content:center;font-size:22px;margin-bottom:14px;
    }
    .form-box{
      display:grid;grid-template-columns:1fr auto;gap:12px;
      padding:10px;background:#fff;border:1px solid #bbf7d0;border-radius:999px;box-shadow:0 12px 28px rgba(22,163,74,.10);
    }
    .form-box input{border:0;outline:0;padding:0 12px;color:#0f172a;background:transparent;min-width:0}
    .faq-wrap{display:grid;grid-template-columns:.78fr 1.22fr;gap:26px}
    .faq-list{display:grid;gap:12px}
    details{
      background:#fff;border:1px solid var(--line);border-radius:18px;padding:18px 20px;
      box-shadow:0 8px 24px rgba(15,23,42,.05);
    }
    details[open]{border-color:#bbf7d0;background:#fbfffc}
    summary{cursor:pointer;font-weight:950;list-style:none;display:flex;justify-content:space-between;gap:18px}
    summary::-webkit-details-marker{display:none}
    summary:after{content:"+";color:#16a34a;font-size:22px;line-height:1}
    details[open] summary:after{content:"−"}
    details p{margin:12px 0 0;color:#64748b}
    .cta{
      padding:52px 0 76px;
    }
    .cta-box{
      position:relative;overflow:hidden;border-radius:34px;padding:40px;
      background:linear-gradient(135deg,#ecfdf5,#ffffff 45%,#fef9c3);
      border:1px solid #bbf7d0;box-shadow:var(--shadow-card);
      display:grid;grid-template-columns:1fr auto;gap:28px;align-items:center;
    }
    .cta-box:after{
      content:"";position:absolute;right:70px;top:-50px;width:160px;height:160px;border-radius:50%;background:rgba(34,197,94,.13);
    }
    .site-footer{
      background:#07150e;color:#dbe7df;padding:52px 0 26px;
    }
    .footer-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:36px;align-items:start}
    .footer-brand{display:flex;align-items:center;gap:12px;color:#fff;font-size:22px;font-weight:950}
    .footer-grid p{color:#a9bbb0}
    .footer-nav{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
    .footer-nav a{
      color:#cfe0d6;padding:9px 10px;border-radius:12px;transition:background .2s ease,color .2s ease;
    }
    .footer-nav a:hover{background:rgba(255,255,255,.08);color:#fff}
    .footer-bottom{
      margin-top:34px;padding-top:22px;border-top:1px solid rgba(255,255,255,.10);
      display:flex;justify-content:space-between;gap:20px;color:#94a99b;font-size:14px;
    }
    .footer-bottom a{color:#dcfce7}
    .footer-bottom a:hover{color:#fff}
    @media (max-width:1024px){
      .nav-cta .status-pill{display:none}
      .hero-grid,.split,.feature-lane,.faq-wrap{grid-template-columns:1fr}
      .stage-shot img{height:360px}
      .device-grid{grid-template-columns:repeat(2,1fr)}
      .timeline-row{grid-template-columns:90px 1fr}
      .timeline-row .badge{grid-column:2}
    }
    @media (max-width:768px){
      .container{width:min(100% - 28px,var(--container))}
      .header-inner{min-height:68px;align-items:flex-start;padding:12px 0;flex-wrap:wrap}
      .mobile-toggle{display:inline-flex}
      .nav-wrap{width:100%;display:none;flex-direction:column;align-items:stretch}
      .nav-wrap.open{display:flex}
      .nav-links{border-radius:20px;align-items:flex-start;width:100%;max-width:none;display:grid;grid-template-columns:repeat(2,1fr)}
      .nav-links a{text-align:center}
      .nav-cta{justify-content:stretch}
      .nav-cta .btn{width:100%}
      .hero{padding:38px 0 30px}
      .reward-row,.reward-grid{grid-template-columns:1fr}
      .cta-box{grid-template-columns:1fr;padding:28px}
      .footer-grid,.footer-bottom{grid-template-columns:1fr;display:grid}
      .footer-nav{grid-template-columns:1fr}
      .form-box{grid-template-columns:1fr;border-radius:22px}
      .form-box .btn{width:100%}
    }
    @media (max-width:520px){
      h1{font-size:33px}
      .section{padding:52px 0}
      .device-grid{grid-template-columns:1fr}
      .floating-panel{left:16px;right:16px;bottom:16px}
      .stage{padding:10px;border-radius:24px}
      .stage-shot img{height:330px}
      .timeline-row{grid-template-columns:1fr}
      .timeline-row .badge{grid-column:auto;justify-self:start}
      .hero-actions .btn{width:100%}
    }

/* roulang page: category1 */
:root{
      --brand:#16a34a;
      --brand-dark:#087c35;
      --brand-soft:#dcfce7;
      --accent:#f59e0b;
      --ink:#102018;
      --muted:#607268;
      --line:#dce8e1;
      --bg:#f7fbf8;
      --card:#ffffff;
      --deep:#062719;
      --radius:24px;
      --radius-sm:16px;
      --shadow:0 22px 60px rgba(4, 56, 29, .12);
      --shadow-sm:0 12px 28px rgba(4, 56, 29, .08);
      --container:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
      color:var(--ink);
      background:
        radial-gradient(circle at 8% 8%, rgba(22,163,74,.12), transparent 32%),
        radial-gradient(circle at 85% 18%, rgba(245,158,11,.10), transparent 28%),
        var(--bg);
      line-height:1.75;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%;height:auto}
    button,input{font:inherit}
    .container{width:min(var(--container), calc(100% - 40px));margin:0 auto}
    .skip-link{position:absolute;left:-999px;top:12px;background:var(--deep);color:#fff;padding:10px 14px;border-radius:12px;z-index:100}
    .skip-link:focus{left:16px}
    .site-header{
      position:sticky;top:0;z-index:50;
      background:rgba(255,255,255,.88);
      backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(220,232,225,.82);
      box-shadow:0 8px 28px rgba(7,42,24,.05);
    }
    .header-inner{height:76px;display:flex;align-items:center;justify-content:space-between;gap:18px}
    .brand{display:flex;align-items:center;gap:12px;font-weight:900;font-size:22px;letter-spacing:.02em;white-space:nowrap}
    .brand-mark,.footer .brand-mark,.footer-brand .brand-mark{
      width:40px;height:40px;border-radius:14px;
      display:inline-flex;align-items:center;justify-content:center;
      color:#fff;background:linear-gradient(135deg,#16a34a,#0f766e);
      box-shadow:0 12px 24px rgba(22,163,74,.24);
      font-weight:900;
    }
    .nav-wrap{display:flex;align-items:center;gap:14px;min-width:0}
    .nav-links{display:flex;align-items:center;gap:6px;white-space:nowrap}
    .nav-links a{
      padding:10px 12px;border-radius:999px;
      font-size:14px;font-weight:700;color:#315244;
      transition:.22s ease;
    }
    .nav-links a:hover{background:var(--brand-soft);color:var(--brand-dark);transform:translateY(-1px)}
    .nav-links a.active{background:var(--brand);color:#fff;box-shadow:0 10px 24px rgba(22,163,74,.23)}
    .header-cta{
      display:inline-flex;align-items:center;gap:8px;
      padding:11px 16px;border-radius:999px;
      background:var(--deep);color:#fff;font-weight:800;font-size:14px;
      box-shadow:0 14px 30px rgba(6,39,25,.18);
      transition:.22s ease;
    }
    .header-cta:hover{transform:translateY(-2px);background:#0b3a25}
    .menu-toggle{display:none;border:0;background:var(--brand-soft);color:var(--brand-dark);border-radius:14px;padding:10px 12px;font-weight:900}
    .badge{
      display:inline-flex;align-items:center;gap:8px;
      padding:7px 12px;border-radius:999px;
      color:var(--brand-dark);background:rgba(220,252,231,.88);
      border:1px solid rgba(22,163,74,.16);
      font-weight:800;font-size:13px;
    }
    .badge.dark{background:rgba(255,255,255,.12);color:#d9ffe8;border-color:rgba(255,255,255,.18)}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:9px;
      border-radius:999px;padding:14px 20px;
      font-weight:900;transition:.22s ease;border:1px solid transparent;
      cursor:pointer;
    }
    .btn-primary{background:var(--brand);color:#fff;box-shadow:0 16px 34px rgba(22,163,74,.24)}
    .btn-primary:hover{background:var(--brand-dark);transform:translateY(-2px);box-shadow:0 22px 44px rgba(22,163,74,.28)}
    .btn-ghost{background:#fff;color:var(--ink);border-color:var(--line)}
    .btn-ghost:hover{border-color:rgba(22,163,74,.35);color:var(--brand-dark);transform:translateY(-2px);box-shadow:var(--shadow-sm)}
    .btn:focus,.nav-links a:focus,.footer-nav a:focus,input:focus{outline:3px solid rgba(22,163,74,.25);outline-offset:3px}
    .hero{
      position:relative;padding:58px 0 48px;overflow:hidden;
      background:
        linear-gradient(90deg,rgba(247,251,248,.98) 0%, rgba(247,251,248,.88) 48%, rgba(247,251,248,.42) 100%),
        url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
      border-bottom:1px solid rgba(220,232,225,.72);
    }
    .hero-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:44px;align-items:center}
    .eyebrow{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-bottom:18px}
    h1{font-size:clamp(34px,5vw,64px);line-height:1.08;margin:0 0 20px;font-weight:950;letter-spacing:-.05em}
    .hero-lead{font-size:18px;color:#40584d;max-width:660px;margin:0 0 26px}
    .hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin:26px 0}
    .hero-meta{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:24px}
    .meta-card{background:rgba(255,255,255,.82);border:1px solid rgba(220,232,225,.9);border-radius:20px;padding:16px;box-shadow:var(--shadow-sm)}
    .meta-card strong{display:block;font-size:24px;line-height:1;color:var(--brand-dark);margin-bottom:6px}
    .meta-card span{font-size:13px;color:var(--muted);font-weight:700}
    .stage{
      position:relative;background:#fff;border:1px solid rgba(220,232,225,.9);
      border-radius:32px;padding:18px;box-shadow:var(--shadow);
    }
    .stage:before{content:"";position:absolute;inset:-14px;background:linear-gradient(135deg,rgba(22,163,74,.16),rgba(245,158,11,.10));border-radius:40px;z-index:-1}
    .screen{
      border-radius:26px;overflow:hidden;background:linear-gradient(180deg,#0b3221,#082116);
      color:#fff;border:1px solid rgba(255,255,255,.12);
    }
    .screen-top{display:flex;justify-content:space-between;align-items:center;padding:15px 18px;border-bottom:1px solid rgba(255,255,255,.12)}
    .dots{display:flex;gap:6px}.dots span{width:9px;height:9px;border-radius:999px;background:#45e08b}.dots span:nth-child(2){background:#facc15}.dots span:nth-child(3){background:#fb7185}
    .screen-body{padding:22px}
    .activity-row{display:flex;justify-content:space-between;gap:14px;align-items:center;padding:14px;border-radius:18px;background:rgba(255,255,255,.08);margin-top:12px}
    .progress{height:9px;background:rgba(255,255,255,.12);border-radius:999px;overflow:hidden;margin-top:10px}
    .progress i{display:block;height:100%;background:linear-gradient(90deg,#22c55e,#a3e635);border-radius:999px}
    .download-card{margin-top:14px;background:#f8fffb;color:var(--ink);border-radius:22px;padding:16px;display:grid;grid-template-columns:1fr auto;gap:12px;align-items:center}
    .section{padding:72px 0}
    .section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:28px;margin-bottom:30px}
    .section-head h2{font-size:clamp(28px,3.5vw,42px);line-height:1.15;margin:0;font-weight:950;letter-spacing:-.035em}
    .section-head p{color:var(--muted);margin:8px 0 0;max-width:620px}
    .panel{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm)}
    .intro-layout{display:grid;grid-template-columns:.88fr 1.12fr;gap:24px;align-items:stretch}
    .intro-image{min-height:430px;border-radius:var(--radius);overflow:hidden;position:relative}
    .intro-image img{width:100%;height:100%;object-fit:cover}
    .intro-image:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent,rgba(6,39,25,.72))}
    .image-caption{position:absolute;left:24px;right:24px;bottom:22px;color:#fff;z-index:2}
    .image-caption strong{display:block;font-size:26px;line-height:1.2;margin-bottom:8px}
    .intro-content{padding:30px}
    .feature-list{display:grid;gap:14px;margin-top:22px}
    .feature-item{display:grid;grid-template-columns:42px 1fr;gap:14px;padding:16px;border:1px solid var(--line);border-radius:18px;background:#fbfefc}
    .icon{width:42px;height:42px;border-radius:15px;background:var(--brand-soft);color:var(--brand-dark);display:flex;align-items:center;justify-content:center;font-weight:950}
    .feature-item h3,.task-card h3,.reward-card h3,.faq-item h3{margin:0 0 5px;font-size:18px;font-weight:900}
    .feature-item p,.task-card p,.reward-card p,.faq-item p{margin:0;color:var(--muted)}
    .rules-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:22px}
    .rule-main{padding:30px}
    .rule-main ul{list-style:none;padding:0;margin:22px 0 0;display:grid;gap:13px}
    .rule-main li{display:flex;gap:12px;align-items:flex-start;color:#39554a}
    .check{flex:0 0 24px;width:24px;height:24px;border-radius:999px;background:var(--brand);color:#fff;display:inline-flex;align-items:center;justify-content:center;font-size:14px;font-weight:900}
    .side-note{padding:26px;background:var(--deep);color:#d9ffe8;border-radius:var(--radius);position:relative;overflow:hidden}
    .side-note:after{content:"";position:absolute;width:190px;height:190px;border-radius:999px;background:rgba(34,197,94,.18);right:-60px;bottom:-70px}
    .side-note h3{font-size:28px;line-height:1.18;margin:14px 0 12px;color:#fff}
    .task-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .task-card{padding:22px;position:relative;overflow:hidden}
    .task-card:hover,.reward-card:hover,.scenario-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(22,163,74,.28)}
    .task-card,.reward-card,.scenario-card{transition:.22s ease}
    .task-num{font-size:42px;font-weight:950;color:#cdeedd;line-height:1;margin-bottom:18px}
    .reward-layout{display:grid;grid-template-columns:.95fr 1.05fr;gap:22px;align-items:center}
    .reward-shot{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);border:1px solid var(--line)}
    .reward-list{display:grid;gap:14px}
    .reward-card{display:flex;gap:16px;padding:18px;border:1px solid var(--line);border-radius:20px;background:#fff}
    .reward-card .icon{flex:0 0 42px}
    .timeline{position:relative;display:grid;gap:16px}
    .timeline:before{content:"";position:absolute;left:22px;top:8px;bottom:8px;width:2px;background:#d6eadf}
    .time-item{position:relative;display:grid;grid-template-columns:46px 1fr;gap:16px}
    .time-dot{width:46px;height:46px;border-radius:16px;background:#fff;border:1px solid rgba(22,163,74,.25);box-shadow:var(--shadow-sm);display:flex;align-items:center;justify-content:center;color:var(--brand);font-weight:950;z-index:1}
    .time-body{padding:18px 20px}
    .time-body h3{margin:0 0 6px;font-size:19px;font-weight:900}
    .time-body p{margin:0;color:var(--muted)}
    .scenario-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:18px}
    .scenario-card{padding:24px;background:#fff;border:1px solid var(--line);border-radius:var(--radius)}
    .scenario-card img{border-radius:18px;height:170px;width:100%;object-fit:cover;margin-bottom:18px}
    .scenario-card h3{font-size:21px;margin:0 0 8px;font-weight:950}
    .scenario-card p{margin:0;color:var(--muted)}
    .notice-band{background:linear-gradient(135deg,#062719,#0e4a2d);color:#e9fff1;border-radius:32px;padding:34px;display:grid;grid-template-columns:1fr auto;gap:24px;align-items:center;box-shadow:var(--shadow)}
    .notice-band h2{font-size:34px;line-height:1.15;margin:0 0 10px;font-weight:950}
    .notice-band p{margin:0;color:#c7ecd4;max-width:760px}
    .form-box{background:#fff;border:1px solid rgba(255,255,255,.24);border-radius:22px;padding:12px;display:flex;gap:10px;min-width:360px}
    .form-box input{border:0;outline:0;min-width:0;flex:1;padding:0 10px;color:var(--ink)}
    .form-box button{border:0;white-space:nowrap}
    .faq-wrap{display:grid;grid-template-columns:.82fr 1.18fr;gap:26px}
    .faq-aside{padding:28px;background:#ecfdf3;border-radius:var(--radius);border:1px solid rgba(22,163,74,.18)}
    .faq-aside h2{font-size:34px;line-height:1.15;margin:12px 0;font-weight:950}
    .faq-list{display:grid;gap:14px}
    .faq-item{padding:22px;border:1px solid var(--line);border-radius:20px;background:#fff}
    .cta{padding:0 0 78px}
    .cta-card{
      background:
        linear-gradient(90deg,rgba(255,255,255,.94),rgba(255,255,255,.82)),
        url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
      border:1px solid var(--line);border-radius:36px;padding:44px;box-shadow:var(--shadow);
      display:grid;grid-template-columns:1fr auto;gap:26px;align-items:center;
    }
    .cta-card h2{margin:0 0 10px;font-size:38px;line-height:1.12;font-weight:950}
    .cta-card p{margin:0;color:var(--muted);max-width:760px}
    .site-footer{
      background:#061b12;color:#c7dbd0;padding:54px 0 28px;
    }
    .footer-grid{display:grid;grid-template-columns:1fr auto;gap:34px;align-items:start;padding-bottom:30px;border-bottom:1px solid rgba(255,255,255,.12)}
    .footer-brand{display:flex;align-items:center;gap:12px;font-size:22px;font-weight:950;color:#fff}
    .site-footer p{color:#b8cfc3;margin:0}
    .footer-nav{display:grid;grid-template-columns:repeat(2,minmax(100px,1fr));gap:10px 18px}
    .footer-nav a{color:#d7eadf;font-weight:700;transition:.2s ease}
    .footer-nav a:hover{color:#86efac}
    .footer-bottom{display:flex;justify-content:space-between;gap:24px;align-items:center;padding-top:24px;font-size:14px;color:#9db6aa}
    .footer-bottom a{color:#d9ffe8}
    @media (max-width:1100px){
      .header-inner{height:auto;min-height:72px;padding:12px 0;align-items:flex-start}
      .nav-wrap{flex:1;justify-content:flex-end}
      .nav-links{max-width:650px;overflow:auto;padding-bottom:4px}
      .header-cta{display:none}
      .hero-grid,.intro-layout,.rules-grid,.reward-layout,.faq-wrap,.cta-card{grid-template-columns:1fr}
      .notice-band{grid-template-columns:1fr}
      .form-box{min-width:0}
    }
    @media (max-width:768px){
      .container{width:min(100% - 28px, var(--container))}
      .menu-toggle{display:inline-flex}
      .header-inner{align-items:center}
      .nav-wrap{position:relative}
      .nav-links{
        position:absolute;right:0;top:52px;width:min(88vw,360px);
        display:none;flex-direction:column;align-items:stretch;
        background:#fff;border:1px solid var(--line);border-radius:22px;padding:10px;
        box-shadow:var(--shadow);white-space:normal;overflow:visible;
      }
      .nav-links.open{display:flex}
      .nav-links a{padding:12px 14px}
      .hero{padding:42px 0 36px}
      .hero-meta,.task-strip,.scenario-grid{grid-template-columns:1fr}
      .section{padding:52px 0}
      .section-head{display:block}
      .download-card{grid-template-columns:1fr}
      .notice-band,.cta-card{padding:26px;border-radius:26px}
      .form-box{flex-direction:column}
      .form-box input{padding:12px}
      .footer-grid,.footer-bottom{grid-template-columns:1fr;display:grid}
      .footer-nav{grid-template-columns:1fr}
    }
    @media (max-width:520px){
      h1{font-size:34px}
      .brand{font-size:19px}
      .brand-mark,.footer-brand .brand-mark{width:36px;height:36px;border-radius:12px}
      .hero-actions{flex-direction:column}
      .btn{width:100%}
      .stage{padding:10px;border-radius:24px}
      .screen-body{padding:16px}
      .activity-row{align-items:flex-start;flex-direction:column}
      .intro-content,.rule-main{padding:22px}
      .cta-card h2,.notice-band h2{font-size:28px}
    }

/* roulang page: category5 */
:root{
      --brand:#16a34a;
      --brand-dark:#0f7a37;
      --brand-soft:#dcfce7;
      --accent:#f59e0b;
      --ink:#10201a;
      --muted:#5f6f67;
      --line:#dce8e1;
      --paper:#ffffff;
      --bg:#f6fbf8;
      --deep:#071b12;
      --radius-lg:28px;
      --radius-md:18px;
      --radius-sm:12px;
      --shadow:0 24px 70px rgba(15,122,55,.13);
      --shadow-card:0 16px 38px rgba(16,32,26,.08);
      --container:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
      color:var(--ink);
      background:
        radial-gradient(circle at 8% 0%, rgba(22,163,74,.12), transparent 30%),
        linear-gradient(180deg,#fbfffd 0%,var(--bg) 42%,#fff 100%);
      line-height:1.75;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none;transition:.22s ease}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    .container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
    .site-header{
      position:sticky;top:0;z-index:50;
      background:rgba(255,255,255,.88);
      backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(220,232,225,.86);
      box-shadow:0 8px 28px rgba(7,27,18,.05);
    }
    .nav-shell{
      height:76px;
      display:flex;
      align-items:center;
      gap:18px;
      justify-content:space-between;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:10px;
      font-weight:900;
      font-size:22px;
      letter-spacing:-.02em;
      white-space:nowrap;
    }
    .brand-mark{
      width:40px;height:40px;border-radius:14px;
      display:inline-flex;align-items:center;justify-content:center;
      color:white;font-weight:900;
      background:linear-gradient(135deg,var(--brand),#22c55e);
      box-shadow:0 12px 26px rgba(22,163,74,.28);
      border:1px solid rgba(255,255,255,.45);
    }
    .nav-links{
      display:flex;
      align-items:center;
      gap:4px;
      padding:6px;
      border:1px solid rgba(220,232,225,.82);
      border-radius:999px;
      background:rgba(246,251,248,.85);
      max-width:760px;
      overflow:auto;
      scrollbar-width:none;
    }
    .nav-links::-webkit-scrollbar{display:none}
    .nav-links a{
      flex:0 0 auto;
      padding:9px 13px;
      border-radius:999px;
      color:#355247;
      font-size:14px;
      font-weight:700;
    }
    .nav-links a:hover{background:#fff;color:var(--brand-dark);box-shadow:0 8px 18px rgba(16,32,26,.07)}
    .nav-links a.active{background:var(--deep);color:#fff;box-shadow:0 10px 22px rgba(7,27,18,.18)}
    .nav-cta{
      display:flex;
      align-items:center;
      gap:10px;
      white-space:nowrap;
    }
    .status-pill{
      display:inline-flex;align-items:center;gap:7px;
      padding:8px 12px;border-radius:999px;
      color:var(--brand-dark);
      background:var(--brand-soft);
      border:1px solid rgba(22,163,74,.2);
      font-size:13px;font-weight:800;
    }
    .status-dot{width:8px;height:8px;border-radius:50%;background:#22c55e;box-shadow:0 0 0 5px rgba(34,197,94,.15)}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      border:0;border-radius:999px;
      padding:13px 20px;
      font-weight:900;
      cursor:pointer;
      transition:.22s ease;
      outline:none;
    }
    .btn:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid rgba(245,158,11,.38);outline-offset:3px}
    .btn-primary{background:linear-gradient(135deg,var(--brand),#22c55e);color:white;box-shadow:0 16px 34px rgba(22,163,74,.25)}
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 20px 42px rgba(22,163,74,.32)}
    .btn-ghost{background:#fff;color:var(--brand-dark);border:1px solid var(--line)}
    .btn-ghost:hover{transform:translateY(-2px);border-color:rgba(22,163,74,.35);box-shadow:var(--shadow-card)}
    .menu-toggle{display:none}
    .hero{
      position:relative;
      padding:64px 0 54px;
      overflow:hidden;
    }
    .hero::before{
      content:"";
      position:absolute;inset:0;
      background:
        linear-gradient(90deg,rgba(246,251,248,.98),rgba(246,251,248,.82),rgba(246,251,248,.96)),
        url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
      z-index:-2;
    }
    .hero::after{
      content:"";
      position:absolute;right:-160px;top:30px;width:420px;height:420px;
      border-radius:50%;
      background:radial-gradient(circle,rgba(22,163,74,.18),transparent 68%);
      z-index:-1;
    }
    .hero-wrap{
      display:grid;
      grid-template-columns:1.05fr .95fr;
      gap:34px;
      align-items:center;
    }
    .eyebrow{
      display:inline-flex;align-items:center;gap:8px;
      padding:8px 13px;
      border-radius:999px;
      background:#fff;
      border:1px solid rgba(22,163,74,.2);
      color:var(--brand-dark);
      font-size:14px;
      font-weight:900;
      box-shadow:0 10px 24px rgba(16,32,26,.06);
    }
    .hero h1{
      margin:18px 0 16px;
      font-size:clamp(36px,5vw,64px);
      line-height:1.08;
      letter-spacing:-.05em;
      font-weight:950;
    }
    .hero .lead{
      font-size:18px;color:#41584e;max-width:720px;
    }
    .search-panel{
      margin-top:26px;
      background:rgba(255,255,255,.92);
      border:1px solid rgba(220,232,225,.9);
      box-shadow:var(--shadow);
      border-radius:26px;
      padding:14px;
    }
    .search-row{
      display:flex;
      gap:10px;
      align-items:center;
    }
    .search-row input{
      width:100%;
      border:0;
      background:#f3faf6;
      border-radius:999px;
      padding:15px 18px;
      color:var(--ink);
    }
    .quick-tags{
      display:flex;flex-wrap:wrap;gap:10px;
      margin-top:14px;
    }
    .quick-tags a,.badge{
      display:inline-flex;align-items:center;gap:6px;
      border-radius:999px;
      padding:8px 12px;
      font-size:13px;font-weight:800;
      color:#315247;
      background:#fff;
      border:1px solid var(--line);
    }
    .quick-tags a:hover,.badge:hover{border-color:rgba(22,163,74,.38);color:var(--brand-dark);transform:translateY(-1px)}
    .device-stage{
      background:linear-gradient(180deg,#fff,#f2fbf5);
      border:1px solid rgba(220,232,225,.95);
      border-radius:34px;
      padding:18px;
      box-shadow:var(--shadow);
      position:relative;
    }
    .screenshot{
      border-radius:24px;
      overflow:hidden;
      border:1px solid var(--line);
      background:#fff;
      min-height:360px;
      position:relative;
    }
    .screenshot img{width:100%;height:360px;object-fit:cover;filter:saturate(1.05)}
    .screen-overlay{
      position:absolute;inset:auto 18px 18px 18px;
      background:rgba(255,255,255,.94);
      backdrop-filter:blur(12px);
      border:1px solid rgba(220,232,225,.9);
      border-radius:22px;
      padding:16px;
      box-shadow:0 16px 38px rgba(7,27,18,.12);
    }
    .progress-track{height:9px;background:#e8f3ed;border-radius:999px;overflow:hidden}
    .progress-bar{height:100%;width:76%;background:linear-gradient(90deg,var(--brand),#86efac);border-radius:999px}
    .success-card{
      position:absolute;right:-8px;top:26px;
      width:190px;
      background:#ecfdf5;
      border:1px solid rgba(22,163,74,.28);
      border-radius:20px;
      padding:14px;
      color:var(--brand-dark);
      box-shadow:0 18px 36px rgba(22,163,74,.18);
    }
    section{padding:58px 0}
    .section-head{max-width:820px;margin-bottom:26px}
    .section-head.center{text-align:center;margin-left:auto;margin-right:auto}
    .section-kicker{color:var(--brand-dark);font-weight:950;margin-bottom:8px}
    h2{
      font-size:clamp(28px,3.4vw,44px);
      line-height:1.18;
      letter-spacing:-.035em;
      margin:0;
      font-weight:950;
    }
    .section-head p{color:var(--muted);font-size:17px;margin-top:12px}
    .grid{display:grid;gap:20px}
    .grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
    .grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}
    .grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
    .card{
      background:rgba(255,255,255,.9);
      border:1px solid rgba(220,232,225,.92);
      border-radius:var(--radius-lg);
      padding:24px;
      box-shadow:var(--shadow-card);
      transition:.22s ease;
    }
    .card:hover{transform:translateY(-4px);box-shadow:0 22px 50px rgba(16,32,26,.12);border-color:rgba(22,163,74,.26)}
    .icon{
      width:48px;height:48px;border-radius:16px;
      display:flex;align-items:center;justify-content:center;
      background:var(--brand-soft);color:var(--brand-dark);
      font-size:22px;font-weight:950;
      margin-bottom:16px;
    }
    .card h3{margin:0 0 8px;font-size:20px;font-weight:950}
    .card p{margin:0;color:var(--muted)}
    .split{
      display:grid;grid-template-columns:.9fr 1.1fr;gap:34px;align-items:center;
    }
    .image-card{
      border-radius:32px;overflow:hidden;border:1px solid var(--line);
      box-shadow:var(--shadow);
      background:#fff;
    }
    .image-card img{width:100%;height:430px;object-fit:cover}
    .check-list{display:grid;gap:14px;margin-top:20px}
    .check-item{
      display:flex;gap:12px;align-items:flex-start;
      padding:15px;border-radius:18px;
      background:#fff;border:1px solid var(--line);
    }
    .check{
      flex:0 0 auto;width:24px;height:24px;border-radius:50%;
      display:flex;align-items:center;justify-content:center;
      background:#dcfce7;color:var(--brand-dark);font-weight:950;
    }
    .reward-strip{
      background:var(--deep);
      color:#fff;
      border-radius:36px;
      padding:34px;
      box-shadow:0 28px 70px rgba(7,27,18,.24);
      overflow:hidden;
      position:relative;
    }
    .reward-strip::after{
      content:"";
      position:absolute;right:-120px;top:-120px;width:300px;height:300px;border-radius:50%;
      background:rgba(34,197,94,.2);
    }
    .reward-strip p{color:#c9ddd2}
    .reward-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:26px;align-items:center;position:relative;z-index:1}
    .reward-list{display:grid;gap:12px}
    .reward-item{
      display:flex;justify-content:space-between;gap:16px;
      padding:15px 16px;border-radius:18px;
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.1);
    }
    .steps{counter-reset:step;display:grid;gap:16px}
    .step{
      counter-increment:step;
      display:grid;grid-template-columns:auto 1fr auto;gap:16px;align-items:center;
      padding:18px;border-radius:24px;background:#fff;border:1px solid var(--line);
      box-shadow:0 12px 28px rgba(16,32,26,.06);
    }
    .step::before{
      content:counter(step);
      width:42px;height:42px;border-radius:15px;
      display:flex;align-items:center;justify-content:center;
      background:linear-gradient(135deg,var(--brand),#4ade80);
      color:#fff;font-weight:950;
    }
    .step h3{margin:0;font-size:18px;font-weight:950}
    .step p{margin:3px 0 0;color:var(--muted)}
    .step .state{
      padding:7px 10px;border-radius:999px;background:#ecfdf5;color:var(--brand-dark);
      font-size:13px;font-weight:900;
    }
    .table-card{
      overflow:hidden;border-radius:28px;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow-card)
    }
    .device-row{
      display:grid;grid-template-columns:1fr 1.1fr .8fr;
      gap:16px;padding:18px 22px;border-bottom:1px solid var(--line);align-items:center;
    }
    .device-row:last-child{border-bottom:0}
    .device-row.head{background:#f0faf4;font-weight:950;color:var(--brand-dark)}
    .faq{display:grid;gap:14px}
    details{
      background:#fff;border:1px solid var(--line);border-radius:22px;
      padding:18px 20px;box-shadow:0 10px 26px rgba(16,32,26,.05);
    }
    summary{cursor:pointer;font-weight:950;list-style:none;display:flex;justify-content:space-between;gap:20px}
    summary::-webkit-details-marker{display:none}
    summary::after{content:"＋";color:var(--brand);font-weight:950}
    details[open] summary::after{content:"－"}
    details p{color:var(--muted);margin:12px 0 0}
    .cta{
      background:
        linear-gradient(135deg,rgba(15,122,55,.95),rgba(7,27,18,.96)),
        url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
      color:#fff;
      border-radius:38px;
      padding:42px;
      display:grid;grid-template-columns:1.1fr .9fr;gap:24px;align-items:center;
      box-shadow:0 30px 76px rgba(7,27,18,.25);
    }
    .cta p{color:#d9efe2}
    .cta-box{
      background:rgba(255,255,255,.1);
      border:1px solid rgba(255,255,255,.18);
      border-radius:26px;
      padding:22px;
    }
    .site-footer{
      margin-top:50px;
      background:#06140d;
      color:#cfe0d6;
      padding:46px 0 24px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:34px;
      padding-bottom:30px;
      border-bottom:1px solid rgba(255,255,255,.12);
    }
    .footer-brand{
      display:flex;align-items:center;gap:10px;
      color:#fff;font-size:22px;font-weight:950;
    }
    .footer-nav{
      display:grid;
      grid-template-columns:repeat(2,minmax(0,1fr));
      gap:10px 18px;
    }
    .footer-nav a{color:#d6e6dd}
    .footer-nav a:hover{color:#86efac;transform:translateX(2px)}
    .footer-bottom{
      display:flex;justify-content:space-between;gap:20px;align-items:flex-end;
      padding-top:22px;
      color:#9fb5aa;
      font-size:14px;
    }
    .footer-bottom a{color:#d8f7e5}
    @media (max-width:1024px){
      .nav-shell{height:auto;min-height:76px;flex-wrap:wrap;padding:12px 0}
      .nav-links{order:3;width:100%;max-width:none}
      .hero-wrap,.split,.reward-grid,.cta{grid-template-columns:1fr}
      .success-card{right:12px}
      .grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}
    }
    @media (max-width:768px){
      .container{width:min(100% - 28px,var(--container))}
      .nav-cta .status-pill{display:none}
      .nav-links{border-radius:22px;justify-content:flex-start}
      .hero{padding:40px 0}
      .search-row{flex-direction:column}
      .search-row .btn{width:100%}
      .grid-3,.grid-2,.grid-4{grid-template-columns:1fr}
      .device-row{grid-template-columns:1fr;gap:6px}
      .device-row.head{display:none}
      .step{grid-template-columns:auto 1fr}
      .step .state{grid-column:2}
      .footer-grid,.footer-bottom{grid-template-columns:1fr;display:grid}
      .footer-nav{grid-template-columns:1fr}
      .cta{padding:28px;border-radius:28px}
    }
    @media (max-width:520px){
      .brand{font-size:19px}
      .brand-mark{width:36px;height:36px}
      .nav-cta .btn{display:none}
      .hero h1{font-size:34px}
      section{padding:42px 0}
      .card{padding:20px;border-radius:22px}
      .screenshot img{height:300px}
      .screen-overlay{left:12px;right:12px;bottom:12px}
      .success-card{position:static;width:auto;margin-top:12px}
      .reward-strip{padding:24px;border-radius:26px}
    }

/* roulang page: category7 */
:root{
      --brand:#16a34a;
      --brand-dark:#0f7a36;
      --brand-soft:#e9fbeF;
      --accent:#f8b42c;
      --ink:#102018;
      --muted:#60706a;
      --subtle:#eef3f0;
      --line:#dbe8e0;
      --paper:#ffffff;
      --bg:#f7faf8;
      --dark:#07150f;
      --radius-sm:12px;
      --radius:22px;
      --radius-lg:34px;
      --shadow-sm:0 10px 25px rgba(15,122,54,.08);
      --shadow:0 22px 55px rgba(16,32,24,.12);
      --shadow-green:0 18px 40px rgba(22,163,74,.22);
      --container:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
      color:var(--ink);
      background:
        radial-gradient(circle at top left, rgba(22,163,74,.12), transparent 32rem),
        linear-gradient(180deg,#ffffff 0%,#f8fbf9 42%,#f2f8f4 100%);
      line-height:1.7;
      min-width:320px;
    }
    a{color:inherit;text-decoration:none;transition:color .2s ease,background .2s ease,transform .2s ease,box-shadow .2s ease}
    img{max-width:100%;display:block}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer}
    ::selection{background:rgba(22,163,74,.18)}
    .container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      background:rgba(255,255,255,.9);
      backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(219,232,224,.9);
      box-shadow:0 12px 30px rgba(16,32,24,.04);
    }
    .header-inner{
      min-height:76px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      font-weight:900;
      letter-spacing:.02em;
      white-space:nowrap;
    }
    .brand-mark,.footer .brand-mark{
      width:40px;
      height:40px;
      border-radius:14px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      color:#fff;
      font-weight:900;
      background:linear-gradient(135deg,var(--brand),#22c55e);
      box-shadow:var(--shadow-green);
    }
    .brand-text{font-size:20px}
    .nav-shell{display:flex;align-items:center;gap:14px;min-width:0}
    .nav-links{
      display:flex;
      align-items:center;
      gap:4px;
      padding:7px;
      border:1px solid var(--line);
      border-radius:999px;
      background:rgba(247,250,248,.78);
      max-width:760px;
      overflow-x:auto;
      scrollbar-width:none;
    }
    .nav-links::-webkit-scrollbar{display:none}
    .nav-links a{
      padding:9px 13px;
      border-radius:999px;
      font-size:14px;
      font-weight:700;
      color:#355145;
      white-space:nowrap;
    }
    .nav-links a:hover{
      color:var(--brand-dark);
      background:#fff;
      box-shadow:var(--shadow-sm);
      transform:translateY(-1px);
    }
    .nav-links a.active{
      color:#fff;
      background:linear-gradient(135deg,var(--brand),var(--brand-dark));
      box-shadow:0 12px 24px rgba(22,163,74,.24);
    }
    .header-cta{
      display:flex;
      align-items:center;
      gap:10px;
      white-space:nowrap;
    }
    .status-pill{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:9px 12px;
      border-radius:999px;
      background:#eefbf2;
      color:var(--brand-dark);
      font-size:13px;
      font-weight:800;
      border:1px solid rgba(22,163,74,.18);
    }
    .status-dot{
      width:8px;
      height:8px;
      border-radius:999px;
      background:#22c55e;
      box-shadow:0 0 0 6px rgba(34,197,94,.14);
    }
    .menu-toggle{
      display:none;
      width:44px;
      height:44px;
      border:1px solid var(--line);
      border-radius:14px;
      background:#fff;
      color:var(--ink);
      align-items:center;
      justify-content:center;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      padding:12px 18px;
      border-radius:999px;
      font-weight:900;
      border:1px solid transparent;
      transition:transform .22s ease,box-shadow .22s ease,background .22s ease,border-color .22s ease;
      line-height:1.2;
    }
    .btn:focus,.nav-links a:focus,.menu-toggle:focus,input:focus,textarea:focus{
      outline:3px solid rgba(22,163,74,.22);
      outline-offset:3px;
    }
    .btn-primary{
      color:#fff;
      background:linear-gradient(135deg,var(--brand),var(--brand-dark));
      box-shadow:var(--shadow-green);
    }
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 22px 48px rgba(22,163,74,.28)}
    .btn-secondary{
      color:var(--brand-dark);
      background:#fff;
      border-color:rgba(22,163,74,.22);
      box-shadow:var(--shadow-sm);
    }
    .btn-secondary:hover{transform:translateY(-2px);background:var(--brand-soft)}
    .btn-ghost{
      color:#244036;
      background:rgba(255,255,255,.72);
      border-color:var(--line);
    }
    .btn-ghost:hover{background:#fff;box-shadow:var(--shadow-sm)}
    .section{padding:72px 0}
    .section-tight{padding:48px 0}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--brand-dark);
      background:var(--brand-soft);
      border:1px solid rgba(22,163,74,.18);
      border-radius:999px;
      padding:8px 13px;
      font-size:13px;
      font-weight:900;
    }
    .eyebrow:before{
      content:"";
      width:7px;
      height:7px;
      border-radius:999px;
      background:var(--brand);
    }
    .hero{
      position:relative;
      overflow:hidden;
      padding:60px 0 48px;
      background:
        linear-gradient(115deg,rgba(255,255,255,.94),rgba(255,255,255,.78)),
        url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
      border-bottom:1px solid rgba(219,232,224,.9);
    }
    .hero:after{
      content:"";
      position:absolute;
      width:420px;
      height:420px;
      border-radius:50%;
      right:-150px;
      top:-170px;
      background:radial-gradient(circle,rgba(22,163,74,.22),transparent 68%);
      pointer-events:none;
    }
    .hero-grid{
      position:relative;
      z-index:1;
      display:grid;
      grid-template-columns:1.05fr .95fr;
      gap:34px;
      align-items:center;
    }
    h1{
      margin:18px 0 16px;
      font-size:clamp(34px,5vw,64px);
      line-height:1.08;
      letter-spacing:-.04em;
      font-weight:950;
      color:#07150f;
    }
    .lead{
      font-size:18px;
      color:#4a6258;
      max-width:720px;
      margin:0;
    }
    .hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
    .mini-strip{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:12px;
      margin-top:30px;
    }
    .mini-stat{
      padding:16px;
      border-radius:20px;
      background:rgba(255,255,255,.78);
      border:1px solid rgba(219,232,224,.95);
      box-shadow:var(--shadow-sm);
    }
    .mini-stat strong{display:block;font-size:24px;line-height:1.1;color:var(--brand-dark)}
    .mini-stat span{display:block;margin-top:5px;color:var(--muted);font-size:13px;font-weight:700}
    .icon-stage{
      border:1px solid rgba(219,232,224,.95);
      background:rgba(255,255,255,.84);
      border-radius:var(--radius-lg);
      padding:22px;
      box-shadow:var(--shadow);
    }
    .stage-top{
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:12px;
      padding-bottom:16px;
      border-bottom:1px solid var(--line);
    }
    .stage-title{font-weight:950;font-size:18px}
    .progress-line{
      margin:18px 0;
      height:12px;
      border-radius:999px;
      background:#edf5f0;
      overflow:hidden;
      border:1px solid rgba(22,163,74,.14);
    }
    .progress-line span{
      display:block;
      height:100%;
      width:72%;
      border-radius:999px;
      background:linear-gradient(90deg,var(--brand),#86efac);
    }
    .icon-matrix{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:12px;
    }
    .matrix-item{
      min-height:86px;
      border-radius:20px;
      background:linear-gradient(180deg,#fff,#f4fbf6);
      border:1px solid var(--line);
      display:flex;
      flex-direction:column;
      align-items:center;
      justify-content:center;
      gap:8px;
      font-weight:900;
      color:#27443a;
      box-shadow:0 8px 18px rgba(16,32,24,.04);
    }
    .matrix-icon{
      width:34px;
      height:34px;
      border-radius:13px;
      display:flex;
      align-items:center;
      justify-content:center;
      background:var(--brand-soft);
      color:var(--brand-dark);
      font-size:18px;
    }
    .status-row{
      margin-top:16px;
      display:flex;
      flex-wrap:wrap;
      gap:10px;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:7px 10px;
      border-radius:999px;
      background:#fff;
      color:#3c554a;
      border:1px solid var(--line);
      font-size:13px;
      font-weight:800;
    }
    .tag.success{background:#ecfdf3;color:var(--brand-dark);border-color:rgba(22,163,74,.2)}
    .title-row{
      display:grid;
      grid-template-columns:.85fr 1.15fr;
      gap:24px;
      align-items:end;
      margin-bottom:28px;
    }
    .section-title{
      margin:12px 0 0;
      font-size:clamp(28px,3.6vw,44px);
      line-height:1.15;
      font-weight:950;
      letter-spacing:-.03em;
    }
    .section-desc{color:var(--muted);font-size:16px;margin:0}
    .split{
      display:grid;
      grid-template-columns:.95fr 1.05fr;
      gap:28px;
      align-items:center;
    }
    .panel{
      border:1px solid var(--line);
      background:rgba(255,255,255,.9);
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow-sm);
      padding:28px;
    }
    .feature-list{display:grid;gap:14px;margin-top:20px}
    .feature-item{
      display:grid;
      grid-template-columns:42px 1fr;
      gap:14px;
      align-items:start;
      padding:16px;
      border:1px solid var(--line);
      border-radius:20px;
      background:#fff;
      transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
    }
    .feature-item:hover{
      transform:translateY(-3px);
      border-color:rgba(22,163,74,.28);
      box-shadow:var(--shadow-sm);
    }
    .num-icon{
      width:42px;
      height:42px;
      border-radius:16px;
      display:flex;
      align-items:center;
      justify-content:center;
      background:linear-gradient(135deg,var(--brand-soft),#fff);
      color:var(--brand-dark);
      font-weight:950;
      border:1px solid rgba(22,163,74,.18);
    }
    .feature-item h3{margin:0 0 5px;font-size:17px;font-weight:950}
    .feature-item p{margin:0;color:var(--muted);font-size:14px}
    .screenshot-card{
      overflow:hidden;
      border-radius:var(--radius-lg);
      border:1px solid var(--line);
      background:#fff;
      box-shadow:var(--shadow);
    }
    .screenshot-card img{
      width:100%;
      height:310px;
      object-fit:cover;
    }
    .screenshot-body{padding:22px}
    .screen-bar{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      padding:12px;
      border-radius:18px;
      background:#f4faf6;
      border:1px solid var(--line);
      margin-top:14px;
    }
    .screen-bar span{color:var(--muted);font-size:14px;font-weight:800}
    .screen-bar strong{color:var(--brand-dark)}
    .cards-uneven{
      display:grid;
      grid-template-columns:1.2fr .8fr;
      gap:18px;
    }
    .reward-card{
      position:relative;
      overflow:hidden;
      min-height:210px;
      border:1px solid var(--line);
      border-radius:var(--radius);
      background:#fff;
      padding:24px;
      box-shadow:var(--shadow-sm);
      transition:transform .22s ease,box-shadow .22s ease;
    }
    .reward-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
    .reward-card.highlight{
      color:#fff;
      background:
        linear-gradient(135deg,rgba(7,21,15,.94),rgba(15,122,54,.88)),
        url('/assets/images/coverpic/cover-7.webp') center/cover no-repeat;
      border-color:rgba(255,255,255,.18);
    }
    .reward-card h3{margin:0 0 10px;font-size:22px;font-weight:950}
    .reward-card p{margin:0;color:inherit;opacity:.82}
    .reward-card:not(.highlight) p{color:var(--muted)}
    .reward-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}
    .reward-meta .tag{background:rgba(255,255,255,.9)}
    .reward-card.highlight .tag{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.22);color:#fff}
    .process{
      display:grid;
      grid-template-columns:repeat(5,1fr);
      gap:12px;
      counter-reset:step;
    }
    .step{
      position:relative;
      padding:20px;
      border-radius:22px;
      background:#fff;
      border:1px solid var(--line);
      box-shadow:var(--shadow-sm);
      min-height:190px;
    }
    .step:before{
      counter-increment:step;
      content:"0" counter(step);
      display:inline-flex;
      align-items:center;
      justify-content:center;
      width:42px;
      height:42px;
      border-radius:16px;
      background:var(--brand-soft);
      color:var(--brand-dark);
      font-weight:950;
      margin-bottom:18px;
    }
    .step h3{margin:0 0 8px;font-size:17px;font-weight:950}
    .step p{margin:0;color:var(--muted);font-size:14px}
    .task-board{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:22px;
      align-items:start;
    }
    .task-list{display:grid;gap:12px}
    .task{
      display:flex;
      gap:14px;
      align-items:flex-start;
      padding:16px;
      border-radius:20px;
      border:1px solid var(--line);
      background:#fff;
    }
    .check{
      width:26px;
      height:26px;
      border-radius:50%;
      background:#dcfce7;
      color:#15803d;
      display:flex;
      align-items:center;
      justify-content:center;
      flex:0 0 auto;
      font-weight:950;
    }
    .task strong{display:block;margin-bottom:3px}
    .task span{display:block;color:var(--muted);font-size:14px}
    .meter-panel{
      border-radius:var(--radius-lg);
      padding:28px;
      background:linear-gradient(180deg,#ffffff,#f0fbf4);
      border:1px solid rgba(22,163,74,.18);
      box-shadow:var(--shadow-sm);
    }
    .meter{display:grid;gap:16px;margin-top:20px}
    .meter-item label{display:flex;justify-content:space-between;font-size:14px;font-weight:900;margin-bottom:8px}
    .meter-track{height:10px;border-radius:999px;background:#e5f3eb;overflow:hidden}
    .meter-track span{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--brand),#bbf7d0)}
    .download-stage{
      display:grid;
      grid-template-columns:.9fr 1.1fr;
      gap:26px;
      align-items:center;
      padding:28px;
      border-radius:var(--radius-lg);
      border:1px solid var(--line);
      background:#fff;
      box-shadow:var(--shadow);
    }
    .device-card{
      position:relative;
      overflow:hidden;
      border-radius:28px;
      background:#0b1f15;
      padding:14px;
      box-shadow:0 28px 70px rgba(7,21,15,.25);
    }
    .device-card img{border-radius:20px;height:360px;width:100%;object-fit:cover;opacity:.92}
    .device-label{
      position:absolute;
      left:28px;
      right:28px;
      bottom:28px;
      padding:16px;
      border-radius:20px;
      background:rgba(255,255,255,.9);
      backdrop-filter:blur(12px);
      border:1px solid rgba(255,255,255,.45);
    }
    .download-options{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:12px;
      margin-top:20px;
    }
    .download-option{
      padding:16px;
      border-radius:20px;
      border:1px solid var(--line);
      background:#f8fbf9;
    }
    .download-option strong{display:block}
    .download-option span{display:block;color:var(--muted);font-size:13px;margin-top:4px}
    .scenario-grid{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:16px;
    }
    .scenario{
      padding:22px;
      border-radius:var(--radius);
      background:#fff;
      border:1px solid var(--line);
      box-shadow:var(--shadow-sm);
    }
    .scenario img{height:126px;width:100%;object-fit:cover;border-radius:18px;margin-bottom:16px}
    .scenario h3{font-weight:950;font-size:18px;margin:0 0 8px}
    .scenario p{margin:0;color:var(--muted);font-size:14px}
    .faq-wrap{
      display:grid;
      grid-template-columns:.78fr 1.22fr;
      gap:26px;
      align-items:start;
    }
    .faq-list{display:grid;gap:12px}
    details{
      border:1px solid var(--line);
      background:#fff;
      border-radius:20px;
      padding:18px 20px;
      box-shadow:var(--shadow-sm);
    }
    summary{
      list-style:none;
      cursor:pointer;
      font-weight:950;
      display:flex;
      justify-content:space-between;
      gap:16px;
    }
    summary::-webkit-details-marker{display:none}
    summary:after{
      content:"+";
      width:26px;
      height:26px;
      flex:0 0 auto;
      border-radius:50%;
      background:var(--brand-soft);
      color:var(--brand-dark);
      display:flex;
      align-items:center;
      justify-content:center;
      font-weight:950;
    }
    details[open] summary:after{content:"−"}
    details p{margin:12px 0 0;color:var(--muted)}
    .intent-form{
      display:grid;
      gap:14px;
      margin-top:18px;
    }
    .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .field label{display:block;font-size:13px;font-weight:900;color:#385349;margin-bottom:7px}
    .field input,.field textarea{
      width:100%;
      border:1px solid var(--line);
      border-radius:16px;
      background:#fff;
      padding:13px 14px;
      color:var(--ink);
      transition:border-color .2s ease,box-shadow .2s ease;
    }
    .field textarea{min-height:112px;resize:vertical}
    .field input:hover,.field textarea:hover{border-color:rgba(22,163,74,.35)}
    .form-note{font-size:13px;color:var(--muted);margin:0}
    .cta{
      position:relative;
      overflow:hidden;
      border-radius:36px;
      padding:42px;
      color:#fff;
      background:
        linear-gradient(135deg,rgba(7,21,15,.96),rgba(15,122,54,.9)),
        url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
      box-shadow:var(--shadow);
    }
    .cta:after{
      content:"";
      position:absolute;
      right:-80px;
      bottom:-110px;
      width:300px;
      height:300px;
      border-radius:50%;
      background:rgba(255,255,255,.12);
    }
    .cta-inner{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:24px}
    .cta h2{font-size:clamp(28px,3.4vw,46px);line-height:1.14;margin:0 0 12px;font-weight:950}
    .cta p{margin:0;color:rgba(255,255,255,.78);max-width:690px}
    .site-footer{
      margin-top:72px;
      background:#07150f;
      color:rgba(255,255,255,.78);
      padding:50px 0 28px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.05fr .95fr;
      gap:28px;
      padding-bottom:28px;
      border-bottom:1px solid rgba(255,255,255,.12);
    }
    .footer-brand{
      display:flex;
      align-items:center;
      gap:12px;
      color:#fff;
      font-size:20px;
      font-weight:950;
    }
    .site-footer .brand-mark{
      width:40px;
      height:40px;
      border-radius:14px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      color:#fff;
      font-weight:900;
      background:linear-gradient(135deg,var(--brand),#22c55e);
    }
    .footer-nav{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:10px;
      align-content:start;
    }
    .footer-nav a,.footer-bottom a{
      color:rgba(255,255,255,.78);
      border-radius:10px;
    }
    .footer-nav a:hover,.footer-bottom a:hover{color:#fff}
    .footer-bottom{
      display:flex;
      justify-content:space-between;
      gap:22px;
      padding-top:22px;
      font-size:14px;
      color:rgba(255,255,255,.66);
    }
    @media (max-width:1120px){
      .header-cta .status-pill{display:none}
      .nav-links{max-width:620px}
      .process{grid-template-columns:repeat(3,1fr)}
      .scenario-grid{grid-template-columns:repeat(2,1fr)}
    }
    @media (max-width:900px){
      .header-inner{min-height:68px}
      .menu-toggle{display:flex}
      .nav-shell{
        position:absolute;
        left:20px;
        right:20px;
        top:78px;
        display:none;
        padding:14px;
        border-radius:24px;
        background:rgba(255,255,255,.97);
        border:1px solid var(--line);
        box-shadow:var(--shadow);
      }
      .nav-shell.open{display:block}
      .nav-links{
        display:grid;
        grid-template-columns:repeat(2,1fr);
        max-width:none;
        border-radius:20px;
        overflow:visible;
      }
      .header-cta{display:none}
      .hero-grid,.split,.title-row,.task-board,.download-stage,.faq-wrap,.footer-grid,.cta-inner{
        grid-template-columns:1fr;
      }
      .cta-inner{display:grid}
      .cards-uneven{grid-template-columns:1fr}
      .download-stage{padding:20px}
      .footer-nav{grid-template-columns:repeat(3,1fr)}
    }
    @media (max-width:640px){
      .container{width:min(100% - 28px,var(--container))}
      .section{padding:54px 0}
      .hero{padding:42px 0 36px}
      .icon-matrix{grid-template-columns:repeat(2,1fr)}
      .mini-strip{grid-template-columns:1fr}
      .process{grid-template-columns:1fr}
      .scenario-grid{grid-template-columns:1fr}
      .form-grid,.download-options{grid-template-columns:1fr}
      .panel,.cta{padding:24px;border-radius:26px}
      .device-card img{height:280px}
      .footer-nav{grid-template-columns:repeat(2,1fr)}
      .footer-bottom{display:grid}
      .nav-links{grid-template-columns:1fr}
      h1{font-size:36px}
    }

/* roulang page: category6 */
:root{
      --brand:#10b981;
      --brand-dark:#047857;
      --brand-soft:#d1fae5;
      --ink:#0f172a;
      --muted:#64748b;
      --line:#e2e8f0;
      --panel:#ffffff;
      --bg:#f7faf9;
      --dark:#07111f;
      --gold:#f8c14a;
      --success:#22c55e;
      --radius:24px;
      --radius-lg:32px;
      --shadow:0 20px 60px rgba(15,23,42,.10);
      --shadow-soft:0 12px 34px rgba(15,23,42,.07);
      --focus:0 0 0 4px rgba(16,185,129,.22);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
      color:var(--ink);
      background:
        radial-gradient(circle at 12% 6%, rgba(16,185,129,.10), transparent 28%),
        radial-gradient(circle at 82% 12%, rgba(248,193,74,.12), transparent 24%),
        var(--bg);
      line-height:1.75;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%;height:auto}
    button,input,select,textarea{font:inherit}
    ::selection{background:rgba(16,185,129,.22)}
    .container{width:min(1180px, calc(100% - 40px));margin:0 auto}
    .site-header{
      position:sticky;top:0;z-index:50;
      background:rgba(255,255,255,.88);
      backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(226,232,240,.82);
      box-shadow:0 10px 28px rgba(15,23,42,.05);
    }
    .header-inner{height:78px;display:flex;align-items:center;justify-content:space-between;gap:18px}
    .brand{display:flex;align-items:center;gap:12px;font-weight:900;letter-spacing:-.02em;white-space:nowrap}
    .brand-mark,.footer-brand .brand-mark{
      width:42px;height:42px;border-radius:15px;
      display:inline-flex;align-items:center;justify-content:center;
      color:#fff;font-weight:900;
      background:linear-gradient(135deg,#065f46,#10b981 64%,#f8c14a);
      box-shadow:0 12px 28px rgba(16,185,129,.28);
    }
    .brand span:last-child{font-size:22px}
    .nav-links{display:flex;align-items:center;gap:4px;overflow-x:auto;scrollbar-width:none}
    .nav-links::-webkit-scrollbar{display:none}
    .nav-links a{
      position:relative;
      padding:10px 12px;
      border-radius:999px;
      color:#334155;
      font-size:14px;
      font-weight:700;
      white-space:nowrap;
      transition:.2s ease;
    }
    .nav-links a:hover{background:#ecfdf5;color:#047857;transform:translateY(-1px)}
    .nav-links a.active{
      background:#064e3b;
      color:#fff;
      box-shadow:0 10px 24px rgba(6,78,59,.18);
    }
    .header-actions{display:flex;align-items:center;gap:10px}
    .status-pill{
      display:inline-flex;align-items:center;gap:8px;
      padding:9px 13px;border-radius:999px;
      background:#ecfdf5;color:#047857;border:1px solid #bbf7d0;
      font-size:13px;font-weight:800;white-space:nowrap;
    }
    .status-dot{width:8px;height:8px;border-radius:50%;background:var(--success);box-shadow:0 0 0 6px rgba(34,197,94,.12)}
    .menu-toggle{display:none;border:0;background:#0f172a;color:#fff;border-radius:14px;padding:10px 12px;font-weight:800;cursor:pointer}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:9px;
      border:0;border-radius:999px;
      padding:13px 20px;
      font-weight:900;
      cursor:pointer;
      transition:.22s ease;
      white-space:nowrap;
    }
    .btn:focus,.nav-links a:focus,.footer-nav a:focus,input:focus{outline:none;box-shadow:var(--focus)}
    .btn-primary{background:linear-gradient(135deg,#059669,#10b981);color:white;box-shadow:0 18px 38px rgba(16,185,129,.30)}
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 22px 44px rgba(16,185,129,.36)}
    .btn-secondary{background:#fff;color:#065f46;border:1px solid #bbf7d0;box-shadow:0 12px 30px rgba(15,23,42,.07)}
    .btn-secondary:hover{background:#ecfdf5;transform:translateY(-2px)}
    .btn-dark{background:#0f172a;color:#fff}
    .badge{
      display:inline-flex;align-items:center;gap:7px;
      padding:8px 12px;border-radius:999px;
      color:#065f46;background:#ecfdf5;border:1px solid #bbf7d0;
      font-size:13px;font-weight:900;
    }
    .badge.dark{background:rgba(255,255,255,.10);border-color:rgba(255,255,255,.18);color:#d1fae5}
    .section{padding:82px 0}
    .section-tight{padding:56px 0}
    .eyebrow{color:#059669;font-weight:900;font-size:14px;letter-spacing:.08em}
    .title{font-size:clamp(30px,4vw,50px);line-height:1.15;font-weight:950;letter-spacing:-.04em}
    .section-title{font-size:clamp(26px,3vw,42px);line-height:1.18;font-weight:950;letter-spacing:-.035em}
    .lead{font-size:18px;color:#475569;line-height:1.9}
    .muted{color:var(--muted)}
    .hero{
      position:relative;
      padding:34px 0 74px;
      overflow:hidden;
    }
    .hero:before{
      content:"";
      position:absolute;inset:0;
      background:
        linear-gradient(90deg,rgba(7,17,31,.92),rgba(7,17,31,.78) 42%,rgba(7,17,31,.35)),
        url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
      z-index:-2;
    }
    .hero:after{
      content:"";
      position:absolute;inset:auto -10% -28% auto;
      width:560px;height:560px;border-radius:50%;
      background:radial-gradient(circle,rgba(16,185,129,.24),transparent 60%);
      z-index:-1;
    }
    .hero-panel{
      margin-top:42px;
      display:grid;
      grid-template-columns:1.02fr .98fr;
      gap:30px;
      align-items:stretch;
    }
    .dark-card{
      background:rgba(7,17,31,.78);
      border:1px solid rgba(255,255,255,.14);
      box-shadow:0 30px 90px rgba(0,0,0,.28);
      border-radius:var(--radius-lg);
      color:#fff;
      overflow:hidden;
    }
    .hero-copy{padding:42px}
    .hero-copy h1{
      font-size:clamp(38px,5.2vw,72px);
      line-height:1.02;
      font-weight:950;
      letter-spacing:-.06em;
      margin:18px 0 18px;
    }
    .hero-copy p{color:#cbd5e1;font-size:18px;max-width:680px}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
    .quick-entry{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:30px}
    .quick-entry a{
      border:1px solid rgba(255,255,255,.12);
      background:rgba(255,255,255,.07);
      padding:14px;border-radius:18px;
      color:#e2e8f0;font-weight:800;
      transition:.2s ease;
    }
    .quick-entry a:hover{background:rgba(16,185,129,.18);transform:translateY(-2px)}
    .leaderboard{padding:24px}
    .rank-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
    .rank-list{display:grid;gap:12px}
    .rank-item{
      display:grid;grid-template-columns:auto 1fr auto;gap:12px;align-items:center;
      padding:14px;border-radius:20px;
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.12);
    }
    .rank-no{
      width:34px;height:34px;border-radius:12px;
      display:flex;align-items:center;justify-content:center;
      font-weight:950;background:#ecfdf5;color:#047857;
    }
    .rank-item strong{display:block;color:#fff}
    .rank-item span{font-size:13px;color:#94a3b8}
    .rank-score{color:#86efac;font-weight:950}
    .screen-stage{
      margin-top:18px;
      border-radius:26px;
      background:#f8fafc;
      padding:14px;
      border:1px solid rgba(255,255,255,.16);
      box-shadow:inset 0 0 0 1px rgba(15,23,42,.04);
    }
    .screen-top{height:30px;display:flex;gap:6px;align-items:center}
    .screen-dot{width:9px;height:9px;border-radius:50%;background:#cbd5e1}
    .screen-body{
      background:#fff;border-radius:20px;padding:18px;color:#0f172a;
      display:grid;gap:12px;
    }
    .progress-line{height:9px;border-radius:999px;background:#e2e8f0;overflow:hidden}
    .progress-line i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,#10b981,#22c55e)}
    .card{
      background:rgba(255,255,255,.92);
      border:1px solid rgba(226,232,240,.9);
      border-radius:var(--radius);
      box-shadow:var(--shadow-soft);
      transition:.22s ease;
    }
    .card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#bbf7d0}
    .feature-strip{display:grid;grid-template-columns:1.15fr .85fr;gap:22px}
    .check-list{display:grid;gap:12px}
    .check-list li{display:flex;gap:12px;align-items:flex-start;color:#475569}
    .check-icon{
      flex:0 0 auto;width:24px;height:24px;border-radius:50%;
      background:#dcfce7;color:#047857;
      display:inline-flex;align-items:center;justify-content:center;
      font-weight:950;font-size:13px;
      margin-top:2px;
    }
    .two-col{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:center}
    .steps{counter-reset:step;display:grid;gap:16px}
    .step{
      counter-increment:step;
      position:relative;
      padding:20px 20px 20px 76px;
      border-radius:22px;
      background:#fff;
      border:1px solid var(--line);
      box-shadow:0 10px 28px rgba(15,23,42,.05);
    }
    .step:before{
      content:counter(step);
      position:absolute;left:20px;top:20px;
      width:38px;height:38px;border-radius:14px;
      display:flex;align-items:center;justify-content:center;
      background:#064e3b;color:#fff;font-weight:950;
    }
    .reward-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:24px}
    .reward-main{
      min-height:360px;
      background:
        linear-gradient(135deg,rgba(6,78,59,.90),rgba(16,185,129,.78)),
        url('/assets/images/coverpic/cover-6.webp') center/cover no-repeat;
      border-radius:var(--radius-lg);
      padding:34px;
      color:#fff;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      overflow:hidden;
      box-shadow:var(--shadow);
    }
    .reward-side{display:grid;gap:16px}
    .mini-card{padding:22px;border-radius:24px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-soft)}
    .task-board{
      background:#fff;
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      padding:28px;
      box-shadow:var(--shadow-soft);
    }
    .task-row{display:grid;grid-template-columns:1fr auto;gap:18px;align-items:center;padding:18px 0;border-bottom:1px solid #eef2f7}
    .task-row:last-child{border-bottom:0}
    .task-state{
      display:inline-flex;align-items:center;gap:7px;
      padding:8px 12px;border-radius:999px;
      background:#ecfdf5;color:#047857;font-weight:900;font-size:13px;
    }
    .download-panel{
      display:grid;grid-template-columns:.9fr 1.1fr;gap:24px;align-items:center;
      background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
      padding:26px;box-shadow:var(--shadow);
    }
    .download-visual{
      border-radius:28px;overflow:hidden;position:relative;
      background:#e2e8f0;min-height:360px;
    }
    .download-visual img{width:100%;height:100%;object-fit:cover;min-height:360px}
    .download-visual:after{
      content:"";
      position:absolute;inset:0;
      background:linear-gradient(180deg,transparent 38%,rgba(6,78,59,.72));
    }
    .float-success{
      position:absolute;left:18px;right:18px;bottom:18px;z-index:2;
      background:rgba(255,255,255,.92);
      border-radius:20px;padding:16px;
      display:flex;align-items:center;gap:12px;
      box-shadow:0 18px 40px rgba(0,0,0,.18);
    }
    .grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .scenario{padding:22px}
    .scenario img{height:132px;width:100%;object-fit:cover;border-radius:18px;margin-bottom:16px}
    .data-box{
      background:#07111f;color:#fff;border-radius:var(--radius-lg);padding:32px;
      display:grid;grid-template-columns:repeat(3,1fr);gap:18px;
      box-shadow:var(--shadow);
    }
    .data-box strong{font-size:34px;line-height:1;font-weight:950;color:#86efac}
    .faq-wrap{display:grid;grid-template-columns:.8fr 1.2fr;gap:28px;align-items:start}
    .faq-list{display:grid;gap:14px}
    .faq-item{
      background:#fff;border:1px solid var(--line);
      border-radius:22px;overflow:hidden;box-shadow:0 10px 24px rgba(15,23,42,.04);
    }
    .faq-q{
      width:100%;text-align:left;border:0;background:#fff;color:#0f172a;
      padding:20px 22px;font-weight:950;cursor:pointer;
      display:flex;justify-content:space-between;gap:16px;
    }
    .faq-q:hover{background:#f8fafc}
    .faq-a{display:none;padding:0 22px 20px;color:#64748b}
    .faq-item.open .faq-a{display:block}
    .faq-item.open .faq-q span:last-child{transform:rotate(45deg)}
    .faq-q span:last-child{transition:.2s ease}
    .cta{
      position:relative;overflow:hidden;
      border-radius:36px;
      padding:42px;
      background:
        linear-gradient(135deg,rgba(6,78,59,.94),rgba(16,185,129,.86)),
        url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
      color:#fff;
      box-shadow:var(--shadow);
    }
    .cta:after{
      content:"";
      position:absolute;right:-80px;top:-80px;width:240px;height:240px;border-radius:50%;
      background:rgba(255,255,255,.14);
    }
    .cta-inner{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:28px}
    .contact-form{display:flex;gap:10px;background:rgba(255,255,255,.12);padding:8px;border-radius:999px;border:1px solid rgba(255,255,255,.16)}
    .contact-form input{
      min-width:260px;border:0;background:transparent;color:#fff;padding:10px 12px;outline:0;
    }
    .contact-form input::placeholder{color:#d1fae5}
    .site-footer{background:#07111f;color:#cbd5e1;padding:58px 0 28px;margin-top:72px}
    .footer-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:34px;align-items:start}
    .footer-brand{display:flex;align-items:center;gap:12px;font-size:22px;font-weight:950;color:#fff}
    .footer-nav{display:grid;grid-template-columns:repeat(2, minmax(0,1fr));gap:10px}
    .footer-nav a{
      padding:10px 12px;border-radius:14px;color:#cbd5e1;background:rgba(255,255,255,.04);
      transition:.2s ease;font-weight:700;
    }
    .footer-nav a:hover{background:rgba(16,185,129,.16);color:#fff;transform:translateX(2px)}
    .footer-bottom{
      margin-top:34px;padding-top:24px;border-top:1px solid rgba(255,255,255,.12);
      display:flex;justify-content:space-between;gap:20px;align-items:flex-end;
      color:#94a3b8;font-size:14px;
    }
    .footer-bottom a{color:#d1fae5}
    .footer-bottom a:hover{color:#fff}
    @media (max-width:1024px){
      .header-inner{height:auto;padding:14px 0;align-items:flex-start;flex-wrap:wrap}
      .nav-links{order:3;width:100%;padding-bottom:2px}
      .hero-panel,.feature-strip,.two-col,.reward-grid,.download-panel,.faq-wrap{grid-template-columns:1fr}
      .grid-4{grid-template-columns:repeat(2,1fr)}
      .data-box{grid-template-columns:1fr}
      .cta-inner{flex-direction:column;align-items:flex-start}
    }
    @media (max-width:768px){
      .container{width:min(100% - 28px,1180px)}
      .site-header{position:relative}
      .menu-toggle{display:inline-flex}
      .header-actions .status-pill{display:none}
      .nav-links{display:none;flex-direction:column;align-items:stretch;overflow:visible;background:#fff;border:1px solid var(--line);border-radius:22px;padding:10px;box-shadow:var(--shadow-soft)}
      .nav-links.open{display:flex}
      .nav-links a{width:100%;border-radius:14px}
      .hero{padding-top:18px}
      .hero-copy{padding:28px}
      .quick-entry{grid-template-columns:1fr}
      .section{padding:62px 0}
      .download-visual,.download-visual img{min-height:280px}
      .contact-form{width:100%;border-radius:24px;flex-direction:column}
      .contact-form input{min-width:0;width:100%}
      .footer-grid,.footer-bottom{grid-template-columns:1fr;display:grid}
      .footer-nav{grid-template-columns:1fr}
    }
    @media (max-width:520px){
      .brand span:last-child{font-size:19px}
      .brand-mark,.footer-brand .brand-mark{width:38px;height:38px}
      .hero-copy h1{font-size:38px}
      .hero-copy p,.lead{font-size:16px}
      .hero-actions{flex-direction:column}
      .btn{width:100%}
      .leaderboard{padding:16px}
      .rank-item{grid-template-columns:auto 1fr}
      .rank-score{grid-column:2}
      .grid-4{grid-template-columns:1fr}
      .task-row{grid-template-columns:1fr}
      .cta{padding:28px;border-radius:28px}
    }

/* roulang page: category2 */
:root{
      --brand:#10b981;
      --brand-dark:#047857;
      --brand-soft:#ecfdf5;
      --ink:#10201b;
      --muted:#64748b;
      --line:#dbe7e2;
      --paper:#ffffff;
      --bg:#f7fbf9;
      --gold:#f5b84b;
      --danger:#ef4444;
      --radius-lg:28px;
      --radius-md:18px;
      --radius-sm:12px;
      --shadow:0 20px 60px rgba(15,23,42,.10);
      --shadow-sm:0 12px 30px rgba(15,23,42,.08);
      --container:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
      color:var(--ink);
      background:
        radial-gradient(circle at top left, rgba(16,185,129,.11), transparent 34rem),
        linear-gradient(180deg,#ffffff 0%,var(--bg) 48%,#ffffff 100%);
      line-height:1.75;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,select,textarea{font:inherit}
    .container{width:min(var(--container), calc(100% - 32px));margin-inline:auto}
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      background:rgba(255,255,255,.88);
      backdrop-filter:saturate(180%) blur(18px);
      border-bottom:1px solid rgba(219,231,226,.75);
    }
    .header-inner{
      min-height:76px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:10px;
      font-weight:900;
      letter-spacing:.02em;
      white-space:nowrap;
      font-size:21px;
    }
    .brand-mark{
      width:38px;
      height:38px;
      border-radius:14px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      color:#fff;
      font-weight:900;
      background:linear-gradient(135deg,var(--brand),var(--brand-dark));
      box-shadow:0 12px 24px rgba(16,185,129,.24);
      flex:0 0 auto;
    }
    .nav-links{
      display:flex;
      align-items:center;
      gap:4px;
      padding:7px;
      border:1px solid rgba(219,231,226,.8);
      border-radius:999px;
      background:rgba(247,251,249,.84);
      overflow-x:auto;
      scrollbar-width:none;
      max-width:760px;
    }
    .nav-links::-webkit-scrollbar{display:none}
    .nav-links a{
      position:relative;
      padding:9px 14px;
      border-radius:999px;
      color:#365048;
      font-size:14px;
      font-weight:800;
      white-space:nowrap;
      transition:all .22s ease;
    }
    .nav-links a:hover{background:#fff;color:var(--brand-dark);box-shadow:var(--shadow-sm)}
    .nav-links a.active{
      background:var(--brand);
      color:#fff;
      box-shadow:0 12px 26px rgba(16,185,129,.24);
    }
    .header-actions{display:flex;align-items:center;gap:10px}
    .status-pill{
      display:flex;
      align-items:center;
      gap:7px;
      padding:9px 13px;
      border-radius:999px;
      background:#fff8e7;
      border:1px solid #fde8b5;
      color:#8a5a07;
      font-size:13px;
      font-weight:900;
      white-space:nowrap;
    }
    .status-dot{
      width:8px;height:8px;border-radius:50%;
      background:var(--gold);
      box-shadow:0 0 0 5px rgba(245,184,75,.16);
    }
    .nav-cta,.btn-primary,.btn-secondary,.btn-ghost{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      border-radius:999px;
      font-weight:900;
      transition:transform .22s ease, box-shadow .22s ease, background .22s ease, border-color .22s ease;
      outline:none;
    }
    .nav-cta{
      padding:10px 16px;
      color:#fff;
      background:linear-gradient(135deg,var(--brand),var(--brand-dark));
      box-shadow:0 12px 30px rgba(16,185,129,.22);
      white-space:nowrap;
      font-size:14px;
    }
    .btn-primary{
      padding:14px 22px;
      color:#fff;
      background:linear-gradient(135deg,var(--brand),var(--brand-dark));
      box-shadow:0 18px 38px rgba(16,185,129,.26);
    }
    .btn-secondary{
      padding:14px 22px;
      color:var(--brand-dark);
      background:#fff;
      border:1px solid rgba(16,185,129,.28);
      box-shadow:var(--shadow-sm);
    }
    .btn-ghost{
      padding:12px 18px;
      color:#365048;
      background:rgba(255,255,255,.68);
      border:1px solid var(--line);
    }
    .nav-cta:hover,.btn-primary:hover,.btn-secondary:hover,.btn-ghost:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
    .nav-cta:focus-visible,.btn-primary:focus-visible,.btn-secondary:focus-visible,.btn-ghost:focus-visible,.nav-links a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{
      outline:3px solid rgba(16,185,129,.28);
      outline-offset:3px;
    }
    .mobile-toggle{
      display:none;
      width:42px;height:42px;border-radius:14px;border:1px solid var(--line);
      background:#fff;color:var(--ink);font-weight:900;
    }
    .hero{
      padding:58px 0 34px;
      position:relative;
    }
    .hero-grid{
      display:grid;
      grid-template-columns:minmax(0,1.03fr) minmax(360px,.97fr);
      gap:34px;
      align-items:stretch;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--brand-dark);
      background:var(--brand-soft);
      border:1px solid rgba(16,185,129,.22);
      border-radius:999px;
      padding:8px 12px;
      font-size:13px;
      font-weight:900;
    }
    .eyebrow:before{
      content:"";
      width:8px;height:8px;border-radius:50%;
      background:var(--brand);
      box-shadow:0 0 0 5px rgba(16,185,129,.14);
    }
    h1{
      margin:20px 0 18px;
      font-size:clamp(34px,5vw,64px);
      line-height:1.08;
      letter-spacing:-.045em;
      font-weight:950;
    }
    .lead{
      color:#4b625c;
      font-size:18px;
      max-width:720px;
    }
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
    .hero-meta{
      margin-top:26px;
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:12px;
    }
    .meta-card{
      background:#fff;
      border:1px solid var(--line);
      border-radius:20px;
      padding:16px;
      box-shadow:0 10px 28px rgba(15,23,42,.06);
    }
    .meta-card strong{display:block;font-size:24px;line-height:1;color:var(--brand-dark)}
    .meta-card span{display:block;margin-top:8px;color:var(--muted);font-size:13px;font-weight:700}
    .whitepaper-panel{
      background:#fff;
      border:1px solid rgba(219,231,226,.9);
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow);
      padding:18px;
      overflow:hidden;
    }
    .paper-stage{
      display:grid;
      grid-template-columns:150px 1fr;
      gap:16px;
      padding:16px;
      border-radius:24px;
      background:linear-gradient(135deg,#f6fffb,#ffffff 58%,#ecfdf5);
      border:1px solid rgba(16,185,129,.18);
    }
    .paper-cover{
      min-height:210px;
      border-radius:18px;
      overflow:hidden;
      position:relative;
      box-shadow:0 18px 36px rgba(6,78,59,.18);
    }
    .paper-cover img{width:100%;height:100%;object-fit:cover}
    .paper-cover:after{
      content:"权益白皮书";
      position:absolute;
      left:10px;right:10px;bottom:10px;
      padding:8px 10px;
      border-radius:12px;
      background:rgba(6,78,59,.84);
      color:#fff;
      font-size:13px;
      font-weight:900;
      text-align:center;
    }
    .toc h2{font-size:22px;line-height:1.2;font-weight:950;margin:4px 0 10px}
    .toc-list{display:grid;gap:9px;margin-top:14px}
    .toc-item{
      display:flex;gap:9px;align-items:flex-start;
      color:#48615a;
      font-size:14px;
      font-weight:700;
    }
    .toc-item i{
      width:22px;height:22px;border-radius:50%;
      display:inline-flex;align-items:center;justify-content:center;
      background:var(--brand);color:#fff;font-style:normal;font-size:12px;flex:0 0 auto;
    }
    .download-form{
      margin-top:16px;
      display:grid;
      gap:12px;
    }
    .form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
    .field label{
      display:block;
      margin-bottom:6px;
      color:#35524a;
      font-size:13px;
      font-weight:900;
    }
    .field input,.field select,.field textarea{
      width:100%;
      border:1px solid var(--line);
      background:#fbfefd;
      border-radius:14px;
      padding:12px 13px;
      color:var(--ink);
      transition:border-color .2s ease, box-shadow .2s ease, background .2s ease;
    }
    .field input:focus,.field select:focus,.field textarea:focus{
      border-color:var(--brand);
      background:#fff;
      box-shadow:0 0 0 4px rgba(16,185,129,.12);
    }
    .form-note{
      display:flex;gap:8px;align-items:flex-start;
      color:#6b7d78;
      font-size:13px;
      background:#f7fbf9;
      border:1px solid var(--line);
      border-radius:14px;
      padding:10px 12px;
    }
    main{position:relative}
    .section{padding:58px 0}
    .section-tight{padding:38px 0}
    .section-head{
      max-width:780px;
      margin-bottom:26px;
    }
    .section-kicker{
      color:var(--brand-dark);
      font-size:14px;
      font-weight:950;
      letter-spacing:.06em;
      margin-bottom:8px;
    }
    .section-title{
      font-size:clamp(28px,3.5vw,42px);
      line-height:1.16;
      font-weight:950;
      letter-spacing:-.035em;
      margin:0;
    }
    .section-desc{
      margin-top:12px;
      color:#5f736d;
      font-size:17px;
      max-width:760px;
    }
    .split{
      display:grid;
      grid-template-columns:.92fr 1.08fr;
      gap:28px;
      align-items:center;
    }
    .image-card{
      position:relative;
      overflow:hidden;
      border-radius:var(--radius-lg);
      border:1px solid var(--line);
      box-shadow:var(--shadow);
      background:#fff;
    }
    .image-card img{width:100%;height:420px;object-fit:cover}
    .image-card .overlay{
      position:absolute;left:18px;right:18px;bottom:18px;
      background:rgba(255,255,255,.90);
      border:1px solid rgba(255,255,255,.7);
      backdrop-filter:blur(12px);
      border-radius:20px;
      padding:16px;
      box-shadow:var(--shadow-sm);
    }
    .feature-list{display:grid;gap:14px}
    .feature-item{
      display:grid;
      grid-template-columns:48px 1fr;
      gap:14px;
      padding:18px;
      border-radius:22px;
      background:#fff;
      border:1px solid var(--line);
      box-shadow:0 12px 30px rgba(15,23,42,.05);
      transition:transform .22s ease, box-shadow .22s ease, border-color .22s ease;
    }
    .feature-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-sm);border-color:rgba(16,185,129,.32)}
    .icon-box{
      width:48px;height:48px;border-radius:16px;
      display:flex;align-items:center;justify-content:center;
      background:var(--brand-soft);color:var(--brand-dark);font-weight:950;
      border:1px solid rgba(16,185,129,.18);
    }
    .feature-item h3{margin:0 0 4px;font-size:19px;font-weight:950}
    .feature-item p{margin:0;color:#667a74;font-size:15px}
    .reward-board{
      border-radius:var(--radius-lg);
      border:1px solid rgba(16,185,129,.18);
      background:
        linear-gradient(rgba(255,255,255,.88),rgba(255,255,255,.92)),
        url('/assets/images/backpic/back-2.webp') center/cover;
      box-shadow:var(--shadow);
      overflow:hidden;
      padding:24px;
    }
    .reward-grid{
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:20px;
      align-items:stretch;
    }
    .reward-main{
      background:#fff;
      border:1px solid var(--line);
      border-radius:24px;
      padding:24px;
    }
    .tag-row{display:flex;flex-wrap:wrap;gap:9px;margin:14px 0}
    .tag{
      display:inline-flex;align-items:center;gap:6px;
      padding:7px 10px;
      border-radius:999px;
      background:#f3faf7;
      color:#366159;
      border:1px solid rgba(16,185,129,.16);
      font-size:13px;
      font-weight:850;
    }
    .reward-side{display:grid;gap:12px}
    .reward-card{
      background:#fff;
      border:1px solid var(--line);
      border-radius:22px;
      padding:18px;
      box-shadow:0 10px 24px rgba(15,23,42,.05);
    }
    .reward-card strong{font-size:26px;color:var(--brand-dark);line-height:1}
    .reward-card p{margin:8px 0 0;color:#687b75;font-size:14px}
    .progress-wrap{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:18px;
      align-items:stretch;
    }
    .progress-panel,.screenshot-panel{
      background:#fff;
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow-sm);
      padding:24px;
    }
    .step-list{display:grid;gap:16px;margin-top:20px}
    .step{
      display:grid;
      grid-template-columns:42px 1fr;
      gap:12px;
      align-items:flex-start;
    }
    .step-num{
      width:42px;height:42px;border-radius:16px;
      background:linear-gradient(135deg,var(--brand),var(--brand-dark));
      color:#fff;display:flex;align-items:center;justify-content:center;font-weight:950;
      box-shadow:0 12px 24px rgba(16,185,129,.2);
    }
    .step h3{margin:0;font-size:18px;font-weight:950}
    .step p{margin:4px 0 0;color:#687b75;font-size:15px}
    .progress-bar{
      margin-top:18px;
      height:12px;
      border-radius:999px;
      background:#e8f3ef;
      overflow:hidden;
    }
    .progress-bar span{
      display:block;height:100%;width:76%;
      border-radius:999px;
      background:linear-gradient(90deg,var(--brand),#34d399);
      box-shadow:0 0 18px rgba(16,185,129,.42);
    }
    .device-shot{
      position:relative;
      border-radius:24px;
      overflow:hidden;
      border:1px solid rgba(16,185,129,.18);
      background:#f8fffc;
      min-height:330px;
    }
    .device-shot img{width:100%;height:330px;object-fit:cover}
    .floating-success{
      position:absolute;
      left:18px;right:18px;bottom:18px;
      display:flex;align-items:center;gap:12px;
      padding:14px;
      border-radius:18px;
      background:rgba(255,255,255,.92);
      box-shadow:var(--shadow-sm);
      border:1px solid rgba(16,185,129,.16);
    }
    .check{
      width:38px;height:38px;border-radius:50%;
      background:#dcfce7;color:#15803d;
      display:flex;align-items:center;justify-content:center;font-weight:950;
    }
    .cards-uneven{
      display:grid;
      grid-template-columns:1fr 1fr 1fr;
      gap:18px;
      align-items:stretch;
    }
    .benefit-card{
      background:#fff;
      border:1px solid var(--line);
      border-radius:24px;
      padding:22px;
      box-shadow:0 10px 28px rgba(15,23,42,.055);
      transition:transform .22s ease, box-shadow .22s ease;
    }
    .benefit-card:nth-child(2){transform:translateY(18px)}
    .benefit-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
    .benefit-card:nth-child(2):hover{transform:translateY(12px)}
    .benefit-card img{
      width:100%;
      height:150px;
      object-fit:cover;
      border-radius:18px;
      margin-bottom:16px;
    }
    .benefit-card h3{font-size:20px;font-weight:950;margin:0 0 8px}
    .benefit-card p{margin:0;color:#687b75;font-size:15px}
    .timeline{
      position:relative;
      display:grid;
      gap:14px;
    }
    .timeline:before{
      content:"";
      position:absolute;
      left:22px;top:12px;bottom:12px;width:2px;
      background:linear-gradient(var(--brand),rgba(16,185,129,.08));
    }
    .timeline-item{
      position:relative;
      display:grid;
      grid-template-columns:48px 1fr;
      gap:14px;
      align-items:flex-start;
    }
    .timeline-dot{
      width:46px;height:46px;border-radius:18px;
      background:#fff;border:1px solid rgba(16,185,129,.28);
      display:flex;align-items:center;justify-content:center;
      color:var(--brand-dark);font-weight:950;
      z-index:1;
      box-shadow:0 10px 24px rgba(15,23,42,.06);
    }
    .timeline-body{
      background:#fff;border:1px solid var(--line);
      border-radius:20px;padding:17px;
    }
    .timeline-body h3{margin:0 0 4px;font-size:18px;font-weight:950}
    .timeline-body p{margin:0;color:#687b75}
    .faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
    .faq-item{
      background:#fff;
      border:1px solid var(--line);
      border-radius:22px;
      padding:20px;
      box-shadow:0 10px 26px rgba(15,23,42,.045);
    }
    .faq-item h3{margin:0 0 8px;font-size:18px;font-weight:950}
    .faq-item p{margin:0;color:#667a74}
    .cta{
      border-radius:34px;
      background:
        linear-gradient(135deg,rgba(6,78,59,.92),rgba(4,120,87,.92)),
        url('/assets/images/backpic/back-3.webp') center/cover;
      color:#fff;
      padding:34px;
      overflow:hidden;
      position:relative;
      box-shadow:var(--shadow);
    }
    .cta:after{
      content:"";
      position:absolute;
      width:240px;height:240px;border-radius:50%;
      background:rgba(255,255,255,.12);
      right:-80px;top:-90px;
    }
    .cta-content{
      position:relative;
      z-index:1;
      display:grid;
      grid-template-columns:1fr auto;
      gap:20px;
      align-items:center;
    }
    .cta h2{font-size:clamp(26px,3vw,40px);line-height:1.18;margin:0;font-weight:950;letter-spacing:-.03em}
    .cta p{margin:10px 0 0;color:rgba(255,255,255,.82);max-width:760px}
    .cta .btn-secondary{border-color:rgba(255,255,255,.42)}
    .site-footer{
      margin-top:46px;
      padding:46px 0 26px;
      background:#071b16;
      color:rgba(255,255,255,.78);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:28px;
      padding-bottom:28px;
      border-bottom:1px solid rgba(255,255,255,.12);
    }
    .footer-brand{
      display:flex;
      align-items:center;
      gap:10px;
      color:#fff;
      font-size:22px;
      font-weight:950;
    }
    .footer-nav{
      display:grid;
      grid-template-columns:repeat(2,minmax(0,1fr));
      gap:10px 16px;
      align-content:start;
    }
    .footer-nav a{
      color:rgba(255,255,255,.76);
      font-weight:800;
      transition:color .2s ease, transform .2s ease;
    }
    .footer-nav a:hover{color:#fff;transform:translateX(3px)}
    .footer-bottom{
      display:flex;
      justify-content:space-between;
      align-items:flex-end;
      gap:18px;
      padding-top:22px;
      font-size:14px;
      color:rgba(255,255,255,.62);
    }
    .footer-bottom a{color:rgba(255,255,255,.82)}
    .footer-bottom a:hover{color:#fff}
    @media (max-width:1080px){
      .header-inner{flex-wrap:wrap;padding:12px 0}
      .nav-links{order:3;width:100%;max-width:none;border-radius:18px;justify-content:flex-start}
      .hero-grid,.split,.reward-grid,.progress-wrap{grid-template-columns:1fr}
      .image-card img{height:360px}
      .benefit-card:nth-child(2){transform:none}
      .benefit-card:nth-child(2):hover{transform:translateY(-3px)}
    }
    @media (max-width:768px){
      .header-actions .status-pill{display:none}
      .nav-cta{display:none}
      .mobile-toggle{display:inline-flex;align-items:center;justify-content:center}
      .nav-links{display:none}
      .site-header.nav-open .nav-links{display:flex}
      .hero{padding-top:38px}
      .hero-meta,.cards-uneven,.faq-grid,.footer-grid{grid-template-columns:1fr}
      .paper-stage{grid-template-columns:1fr}
      .paper-cover{min-height:260px}
      .form-row{grid-template-columns:1fr}
      .cta-content{grid-template-columns:1fr}
      .footer-bottom{flex-direction:column;align-items:flex-start}
    }
    @media (max-width:520px){
      .container{width:min(100% - 22px,var(--container))}
      h1{font-size:34px}
      .lead{font-size:16px}
      .hero-actions{display:grid}
      .btn-primary,.btn-secondary,.btn-ghost{width:100%}
      .section{padding:42px 0}
      .whitepaper-panel,.reward-board,.progress-panel,.screenshot-panel,.cta{border-radius:22px;padding:18px}
      .image-card img,.device-shot img{height:260px}
      .meta-card strong{font-size:21px}
      .footer-nav{grid-template-columns:1fr}
    }