/* roulang page: index */
:root{
      --bg:#0b0f19;
      --bg-soft:#111827;
      --paper:#ffffff;
      --paper-2:#f7f3ea;
      --ink:#171717;
      --muted:#69655d;
      --weak:#8d8678;
      --brand:#e14d2a;
      --brand-2:#ffb02e;
      --brand-3:#39b883;
      --line:rgba(24,24,27,.12);
      --line-dark:rgba(255,255,255,.14);
      --radius-sm:12px;
      --radius:20px;
      --radius-lg:30px;
      --shadow-sm:0 10px 30px rgba(17,24,39,.08);
      --shadow:0 22px 70px rgba(17,24,39,.14);
      --shadow-dark:0 24px 80px rgba(0,0,0,.35);
      --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(255,176,46,.22), transparent 28rem),
        radial-gradient(circle at 92% 5%, rgba(225,77,42,.18), transparent 30rem),
        linear-gradient(180deg,#fffaf0 0%,#fff 46%,#f7f3ea 100%);
      line-height:1.75;
      padding-bottom:84px;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,select,textarea{font:inherit}
    button{cursor:pointer}
    ::selection{background:rgba(225,77,42,.22)}
    .container{width:min(var(--container),calc(100% - 40px));margin-inline:auto}
    .skip-link{
      position:absolute;left:16px;top:-60px;z-index:999;
      padding:10px 14px;border-radius:999px;background:var(--ink);color:#fff;
      transition:top .2s ease;
    }
    .skip-link:focus{top:14px;outline:3px solid rgba(255,176,46,.6)}
    .site-header{
      position:sticky;top:0;z-index:80;
      background:rgba(255,250,240,.78);
      backdrop-filter:saturate(160%) blur(18px);
      border-bottom:1px solid rgba(23,23,23,.08);
    }
    .nav-wrap{
      height:74px;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;
      min-width:0;
    }
    .brand-mark{
      width:42px;height:42px;border-radius:15px;
      display:grid;place-items:center;color:#fff;font-weight:900;
      background:linear-gradient(135deg,var(--brand),var(--brand-2));
      box-shadow:0 12px 30px rgba(225,77,42,.25);
      flex:0 0 auto;
    }
    .brand-text{font-size:17px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
    .desktop-nav{display:flex;align-items:center;gap:8px}
    .nav-link{
      padding:10px 14px;border-radius:999px;color:#514b43;font-weight:750;font-size:14px;
      transition:background .2s ease,color .2s ease,transform .2s ease;
    }
    .nav-link:hover,.nav-link.active{background:#fff;color:var(--brand);box-shadow:var(--shadow-sm)}
    .nav-link:active{transform:translateY(1px)}
    .nav-actions{display:flex;align-items:center;gap:10px}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      padding:12px 18px;border-radius:999px;font-weight:850;
      border:1px solid transparent;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,color .2s ease;
      white-space:nowrap;
    }
    .btn:focus-visible,.nav-link:focus-visible,.mobile-toggle:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
      outline:3px solid rgba(255,176,46,.55);outline-offset:3px;
    }
    .btn-primary{background:linear-gradient(135deg,var(--brand),#f36b37);color:#fff;box-shadow:0 14px 32px rgba(225,77,42,.24)}
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 20px 46px rgba(225,77,42,.32)}
    .btn-ghost{background:rgba(255,255,255,.72);border-color:rgba(23,23,23,.1);color:#332d27}
    .btn-ghost:hover{background:#fff;transform:translateY(-2px);box-shadow:var(--shadow-sm)}
    .btn-dark{background:#151515;color:#fff;border-color:#151515}
    .btn-dark:hover{background:#000;transform:translateY(-2px);box-shadow:0 18px 44px rgba(0,0,0,.2)}
    .mobile-toggle{
      display:none;width:44px;height:44px;border:1px solid var(--line);background:#fff;border-radius:14px;align-items:center;justify-content:center;
    }
    .mobile-toggle span,.mobile-toggle span:before,.mobile-toggle span:after{
      content:"";display:block;width:18px;height:2px;border-radius:9px;background:#2f2b27;transition:.2s ease;
    }
    .mobile-toggle span:before{transform:translateY(-6px)}
    .mobile-toggle span:after{transform:translateY(4px)}
    .mobile-panel{
      display:none;padding:0 20px 18px;background:rgba(255,250,240,.96);border-bottom:1px solid rgba(23,23,23,.08);
    }
    .mobile-panel a{display:flex;align-items:center;justify-content:space-between;padding:14px 4px;border-bottom:1px solid rgba(23,23,23,.08);font-weight:800}
    .eyebrow{
      display:inline-flex;align-items:center;gap:8px;padding:7px 12px;border-radius:999px;
      background:rgba(225,77,42,.1);color:#b3371d;font-weight:850;font-size:13px;
      border:1px solid rgba(225,77,42,.18);
    }
    .section{padding:84px 0}
    .section-tight{padding:58px 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:30px}
    .section-title{font-size:clamp(28px,4vw,46px);line-height:1.18;font-weight:950;letter-spacing:-.04em;margin:12px 0 0}
    .section-desc{max-width:720px;color:var(--muted);font-size:17px;margin:12px 0 0}
    .hero{padding:44px 0 72px}
    .hero-stage{
      position:relative;overflow:hidden;border-radius:42px;background:
        linear-gradient(135deg,rgba(17,24,39,.96),rgba(42,28,22,.95) 52%,rgba(87,36,24,.95));
      color:#fff;padding:52px;box-shadow:var(--shadow-dark);
      border:1px solid rgba(255,255,255,.12);
    }
    .hero-stage:before{
      content:"";position:absolute;inset:-1px;
      background:
        radial-gradient(circle at 16% 18%,rgba(255,176,46,.28),transparent 18rem),
        radial-gradient(circle at 80% 0%,rgba(225,77,42,.35),transparent 20rem),
        linear-gradient(90deg,rgba(255,255,255,.07) 1px,transparent 1px),
        linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px);
      background-size:auto,auto,46px 46px,46px 46px;
      pointer-events:none;
    }
    .hero-content{position:relative;z-index:1;text-align:center;max-width:980px;margin:auto}
    .hero h1{
      margin:18px auto 18px;font-size:clamp(36px,6.2vw,72px);line-height:1.05;font-weight:1000;letter-spacing:-.06em;
    }
    .hero-lead{
      max-width:820px;margin:0 auto;color:rgba(255,255,255,.78);font-size:clamp(17px,2.3vw,21px);
    }
    .hero-crowd{
      margin:34px auto 0;display:grid;grid-template-columns:240px 1fr;gap:22px;align-items:stretch;max-width:900px;text-align:left;
    }
    .progress-card,.tier-card{
      background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.14);border-radius:28px;
      backdrop-filter:blur(12px);box-shadow:0 18px 46px rgba(0,0,0,.18);
    }
    .progress-card{padding:24px;display:grid;place-items:center;text-align:center}
    .progress-ring{
      --p:74%;
      width:150px;height:150px;border-radius:50%;
      display:grid;place-items:center;
      background:conic-gradient(var(--brand-2) 0 var(--p),rgba(255,255,255,.16) var(--p) 100%);
      position:relative;
    }
    .progress-ring:after{
      content:"";position:absolute;inset:14px;border-radius:50%;background:#17130f;
      box-shadow:inset 0 0 0 1px rgba(255,255,255,.08);
    }
    .progress-ring strong{position:relative;z-index:1;font-size:34px;line-height:1;font-weight:1000}
    .progress-meta{margin-top:14px;color:rgba(255,255,255,.78);font-size:14px}
    .tier-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
    .tier-card{padding:18px}
    .tier-name{display:flex;align-items:center;justify-content:space-between;gap:8px;font-weight:950}
    .tier-note{font-size:13px;color:rgba(255,255,255,.68);margin-top:8px;line-height:1.55}
    .hero-actions{display:flex;justify-content:center;gap:12px;flex-wrap:wrap;margin-top:30px}
    .hero-points{display:flex;justify-content:center;gap:12px;flex-wrap:wrap;margin-top:22px}
    .point{
      padding:9px 12px;border-radius:999px;background:rgba(255,255,255,.09);
      border:1px solid rgba(255,255,255,.12);color:rgba(255,255,255,.78);font-size:14px;
    }
    .card{
      background:rgba(255,255,255,.82);border:1px solid rgba(23,23,23,.08);
      border-radius:var(--radius);box-shadow:var(--shadow-sm);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
    }
    .card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(225,77,42,.2)}
    .badge{
      display:inline-flex;align-items:center;gap:6px;border-radius:999px;padding:6px 10px;
      background:#fff3dc;color:#9f3a19;font-weight:850;font-size:12px;border:1px solid rgba(255,176,46,.25);
    }
    .feature-grid{display:grid;grid-template-columns:1.05fr .95fr 1.05fr;gap:18px}
    .feature-card{padding:28px;min-height:250px;position:relative;overflow:hidden}
    .feature-card.dark{background:#141414;color:#fff;border-color:#141414}
    .feature-card.warm{background:linear-gradient(135deg,#fff4d8,#fff);border-color:rgba(255,176,46,.35)}
    .feature-card.green{background:linear-gradient(135deg,#eafff4,#fff);border-color:rgba(57,184,131,.24)}
    .icon-bubble{
      width:54px;height:54px;border-radius:18px;display:grid;place-items:center;margin-bottom:18px;
      background:rgba(225,77,42,.12);font-size:24px;
    }
    .feature-card.dark .icon-bubble{background:rgba(255,255,255,.12)}
    .feature-card h3,.slot-card h3,.recommend-card h3,.price-card h3,.quote-card h3{font-size:22px;font-weight:950;letter-spacing:-.02em;margin:0 0 10px}
    .feature-card p,.slot-card p,.recommend-card p,.price-card p,.quote-card p{color:var(--muted);margin:0}
    .feature-card.dark p{color:rgba(255,255,255,.7)}
    .slots{
      display:grid;grid-template-columns:1.1fr .9fr .9fr;gap:18px;align-items:stretch;
    }
    .slot-card{padding:24px;position:relative;overflow:hidden}
    .slot-card.primary{
      background:linear-gradient(135deg,#201a16,#51301f);color:#fff;border:0;
    }
    .slot-card.primary p{color:rgba(255,255,255,.72)}
    .time-tag{display:inline-flex;margin-bottom:16px;border-radius:999px;background:rgba(225,77,42,.1);padding:7px 12px;color:#b3371d;font-weight:900;font-size:13px}
    .slot-card.primary .time-tag{background:rgba(255,255,255,.12);color:#ffd78b}
    .news-layout{display:grid;grid-template-columns:minmax(0,1.25fr) 360px;gap:22px;align-items:start}
    .news-list{background:#fff;border:1px solid var(--line);border-radius:28px;overflow:hidden;box-shadow:var(--shadow-sm)}
    .news-item{
      display:grid;grid-template-columns:118px 1fr auto;gap:18px;align-items:center;padding:20px 22px;
      border-bottom:1px solid rgba(23,23,23,.08);transition:background .18s ease;
    }
    .news-item:last-child{border-bottom:0}
    .news-item:hover{background:#fff8ec}
    .news-date{font-weight:950;color:#b3371d}
    .news-item h3{margin:0;font-size:18px;font-weight:950}
    .news-item p{margin:4px 0 0;color:var(--muted);font-size:14px}
    .arrow{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;background:#f6efe3;color:#8b351b;transition:.18s ease}
    .news-item:hover .arrow{background:var(--brand);color:#fff;transform:translateX(3px)}
    .recommend-side{padding:24px;background:#151515;color:#fff;border-radius:28px;box-shadow:var(--shadow-dark)}
    .recommend-side p{color:rgba(255,255,255,.68)}
    .mini-list{display:grid;gap:10px;margin-top:18px}
    .mini-list a{display:flex;justify-content:space-between;gap:14px;padding:13px;border-radius:16px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.1);transition:.18s ease}
    .mini-list a:hover{background:rgba(255,255,255,.14);transform:translateY(-2px)}
    .hot-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:18px}
    .recommend-card{padding:24px;min-height:220px;display:flex;flex-direction:column;justify-content:space-between;position:relative;overflow:hidden}
    .recommend-card.large{grid-row:span 2;min-height:460px;background:linear-gradient(145deg,#2b1912,#0f1117);color:#fff;border:0}
    .recommend-card.large p{color:rgba(255,255,255,.72)}
    .heat{display:flex;align-items:center;gap:8px;color:#b3371d;font-weight:950;font-size:13px}
    .recommend-card.large .heat{color:#ffd78b}
    .poster-shape{
      position:absolute;right:-28px;bottom:-38px;width:180px;height:240px;border-radius:34px;
      background:linear-gradient(135deg,rgba(255,176,46,.92),rgba(225,77,42,.8));
      transform:rotate(10deg);opacity:.55;
    }
    .content-scroll{display:flex;gap:16px;overflow-x:auto;padding:8px 2px 18px;scroll-snap-type:x mandatory}
    .content-scroll::-webkit-scrollbar{height:8px}
    .content-scroll::-webkit-scrollbar-thumb{background:#e6dccb;border-radius:999px}
    .media-card{
      min-width:270px;scroll-snap-align:start;padding:22px;border-radius:24px;background:#fff;
      border:1px solid var(--line);box-shadow:var(--shadow-sm);
    }
    .timeline{position:relative;display:grid;gap:14px;margin-top:26px}
    .timeline:before{content:"";position:absolute;left:18px;top:8px;bottom:8px;width:2px;background:#eadfcb}
    .timeline-item{position:relative;padding:18px 18px 18px 58px;background:#fff;border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow-sm)}
    .timeline-item:before{content:"";position:absolute;left:10px;top:24px;width:18px;height:18px;border-radius:50%;background:var(--brand-2);box-shadow:0 0 0 6px #fff4d8}
    .price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .price-card{padding:26px}
    .price-card.highlight{background:#151515;color:#fff;border-color:#151515;transform:translateY(-8px)}
    .price-card.highlight p,.price-card.highlight li{color:rgba(255,255,255,.72)}
    .price{font-size:38px;font-weight:1000;letter-spacing:-.04em;margin:16px 0}
    .check-list{list-style:none;padding:0;margin:18px 0 0;display:grid;gap:10px}
    .check-list li{display:flex;gap:10px;color:var(--muted)}
    .check-list li:before{content:"✓";width:22px;height:22px;border-radius:50%;display:grid;place-items:center;background:#eafff4;color:#148b5d;font-weight:900;flex:0 0 auto;margin-top:2px}
    .quote-wall{display:grid;grid-template-columns:1fr 1fr 1fr;gap:18px}
    .quote-card{padding:24px;background:#fff}
    .quote-card .stars{color:#ff9d1c;letter-spacing:2px;margin-bottom:12px}
    .faq-wrap{display:grid;grid-template-columns:360px 1fr;gap:24px;align-items:start}
    .faq-list{display:grid;gap:12px}
    .faq-item{background:#fff;border:1px solid var(--line);border-radius:22px;padding:20px 22px;box-shadow:var(--shadow-sm)}
    .faq-item summary{cursor:pointer;font-weight:950;list-style:none;display:flex;justify-content:space-between;gap:18px}
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary:after{content:"+";font-size:24px;color:var(--brand);line-height:1}
    .faq-item[open] summary:after{content:"−"}
    .faq-item p{margin:12px 0 0;color:var(--muted)}
    .form-panel{
      display:grid;grid-template-columns:.92fr 1.08fr;gap:26px;align-items:stretch;
      padding:32px;border-radius:34px;background:#151515;color:#fff;box-shadow:var(--shadow-dark);overflow:hidden;position:relative;
    }
    .form-panel:before{content:"";position:absolute;right:-120px;top:-120px;width:300px;height:300px;border-radius:50%;background:rgba(255,176,46,.22)}
    .form-copy,.subscribe-form{position:relative;z-index:1}
    .form-copy p{color:rgba(255,255,255,.72)}
    .subscribe-form{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);border-radius:26px;padding:24px}
    .field{display:grid;gap:8px;margin-bottom:14px}
    .field label{font-weight:850;color:rgba(255,255,255,.86)}
    .field input,.field select,.field textarea{
      width:100%;border:1px solid rgba(255,255,255,.14);background:rgba(255,255,255,.1);color:#fff;
      border-radius:16px;padding:13px 14px;outline:none;transition:border-color .18s ease,background .18s ease;
    }
    .field input::placeholder,.field textarea::placeholder{color:rgba(255,255,255,.42)}
    .field input:focus,.field select:focus,.field textarea:focus{border-color:rgba(255,176,46,.7);background:rgba(255,255,255,.14)}
    .field select option{color:#171717}
    .form-hint{color:rgba(255,255,255,.58);font-size:13px;margin:10px 0 0}
    .site-footer{background:#0c0d10;color:#fff;padding:58px 0 34px}
    .footer-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:28px}
    .footer-title{font-weight:950;font-size:20px;margin-bottom:12px}
    .footer-text,.footer-links a{color:rgba(255,255,255,.64)}
    .footer-links{display:grid;gap:10px}
    .footer-links a:hover{color:#fff}
    .footer-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:36px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);color:rgba(255,255,255,.5);font-size:14px}
    .fixed-cta{
      position:fixed;left:50%;bottom:18px;transform:translateX(-50%);z-index:90;
      width:min(920px,calc(100% - 28px));display:flex;align-items:center;justify-content:space-between;gap:14px;
      padding:12px 14px 12px 18px;border-radius:999px;background:rgba(21,21,21,.92);color:#fff;
      box-shadow:0 18px 60px rgba(0,0,0,.32);backdrop-filter:blur(16px);border:1px solid rgba(255,255,255,.12);
    }
    .fixed-cta strong{font-weight:950}
    .fixed-cta span{color:rgba(255,255,255,.65);font-size:14px}
    @media (max-width:1024px){
      .hero-stage{padding:40px 28px;border-radius:34px}
      .hero-crowd{grid-template-columns:1fr}
      .tier-grid,.feature-grid,.slots,.hot-grid,.price-grid,.quote-wall{grid-template-columns:1fr 1fr}
      .recommend-card.large{grid-row:auto;grid-column:span 2;min-height:340px}
      .news-layout,.faq-wrap,.form-panel{grid-template-columns:1fr}
      .recommend-side{order:-1}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width:768px){
      body{padding-bottom:108px}
      .desktop-nav,.nav-actions{display:none}
      .mobile-toggle{display:flex}
      .mobile-panel.is-open{display:block}
      .brand-text{font-size:15px;max-width:220px}
      .section{padding:62px 0}
      .section-head{display:block}
      .hero{padding-top:26px}
      .hero-stage{padding:34px 20px}
      .tier-grid,.feature-grid,.slots,.hot-grid,.price-grid,.quote-wall{grid-template-columns:1fr}
      .recommend-card.large{grid-column:auto;min-height:300px}
      .news-item{grid-template-columns:1fr;gap:8px}
      .arrow{display:none}
      .footer-grid{grid-template-columns:1fr}
      .fixed-cta{border-radius:24px;align-items:flex-start;flex-direction:column}
      .fixed-cta .btn{width:100%}
    }
    @media (max-width:520px){
      .container{width:min(100% - 28px,var(--container))}
      .nav-wrap{height:66px}
      .brand-mark{width:38px;height:38px;border-radius:13px}
      .hero h1{font-size:34px}
      .hero-lead{font-size:16px}
      .hero-actions .btn{width:100%}
      .progress-ring{width:132px;height:132px}
      .feature-card,.slot-card,.recommend-card,.price-card,.quote-card{padding:22px}
      .form-panel{padding:22px;border-radius:26px}
      .subscribe-form{padding:18px}
      .section-title{font-size:29px}
    }