/* roulang page: index */
:root{
      --brand:#2f4aff;
      --brand-2:#7c3aed;
      --brand-3:#0ea5e9;
      --accent:#ffb020;
      --ink:#121525;
      --muted:#626a7f;
      --soft:#f6f8ff;
      --soft-2:#fff7e6;
      --paper:#ffffff;
      --line:rgba(18,21,37,.1);
      --line-strong:rgba(18,21,37,.16);
      --success:#13b981;
      --danger:#ef4444;
      --radius-sm:14px;
      --radius-md:22px;
      --radius-lg:32px;
      --shadow-sm:0 10px 28px rgba(20,28,58,.08);
      --shadow-md:0 22px 60px rgba(20,28,58,.12);
      --shadow-lg:0 28px 90px rgba(47,74,255,.18);
      --container:1180px;
      --nav-height:86px;
      --ease:cubic-bezier(.22,1,.36,1);
    }

    *{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% 6%, rgba(47,74,255,.13), transparent 26rem),
        radial-gradient(circle at 88% 12%, rgba(255,176,32,.17), transparent 24rem),
        linear-gradient(180deg,#fbfcff 0%,#ffffff 45%,#f8faff 100%);
      line-height:1.7;
      overflow-x:hidden;
    }
    a{
      color:inherit;
      text-decoration:none;
      transition:color .24s var(--ease), transform .24s var(--ease), background .24s var(--ease), border-color .24s var(--ease), box-shadow .24s var(--ease);
    }
    a:hover{color:var(--brand)}
    img{max-width:100%;display:block}
    button,input,select,textarea{font:inherit}
    button{border:0}
    input,select,textarea{
      width:100%;
      border:1px solid var(--line);
      border-radius:16px;
      background:#fff;
      color:var(--ink);
      padding:13px 15px;
      outline:none;
      transition:border-color .22s var(--ease), box-shadow .22s var(--ease), background .22s var(--ease);
    }
    input:focus,select:focus,textarea:focus{
      border-color:rgba(47,74,255,.52);
      box-shadow:0 0 0 4px rgba(47,74,255,.12);
      background:#fff;
    }
    ::selection{background:rgba(47,74,255,.18)}
    .container-xl{max-width:var(--container)}
    .skip-link{
      position:absolute;
      top:-48px;
      left:18px;
      z-index:999;
      padding:10px 14px;
      border-radius:12px;
      background:var(--ink);
      color:#fff;
    }
    .skip-link:focus{top:14px;color:#fff}

    .site-header{
      position:sticky;
      top:0;
      z-index:100;
      padding:14px 0;
      backdrop-filter:saturate(160%) blur(18px);
      background:rgba(251,252,255,.78);
      border-bottom:1px solid rgba(255,255,255,.65);
    }
    .nav-shell{
      min-height:var(--nav-height);
      border:1px solid rgba(18,21,37,.09);
      background:rgba(255,255,255,.86);
      border-radius:28px;
      box-shadow:var(--shadow-sm);
      padding:12px 14px;
    }
    .navbar-brand.brand-logo{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:max-content;
      font-weight:900;
      letter-spacing:-.04em;
      color:var(--ink);
    }
    .brand-mark{
      width:44px;
      height:44px;
      display:grid;
      place-items:center;
      border-radius:16px;
      color:#fff;
      background:
        linear-gradient(135deg,var(--brand),var(--brand-2));
      box-shadow:0 14px 28px rgba(47,74,255,.24);
      position:relative;
      overflow:hidden;
    }
    .brand-mark:after{
      content:"";
      position:absolute;
      width:18px;
      height:18px;
      right:-4px;
      top:7px;
      border-radius:50%;
      background:rgba(255,255,255,.24);
    }
    .brand-text{
      display:flex;
      flex-direction:column;
      line-height:1.08;
    }
    .brand-text strong{font-size:1.08rem}
    .brand-text span{
      margin-top:3px;
      color:var(--muted);
      font-size:.74rem;
      font-weight:700;
      letter-spacing:.04em;
    }
    .navbar-toggler{
      border:1px solid var(--line);
      border-radius:14px;
      padding:9px 11px;
      box-shadow:none!important;
      background:#fff;
    }
    .navbar-toggler:focus{outline:3px solid rgba(47,74,255,.16)}
    .nav-card-list{
      display:flex;
      align-items:center;
      gap:10px;
      margin:0 auto;
      padding:0;
    }
    .nav-card-list .nav-link{
      border:1px solid transparent;
      border-radius:18px;
      padding:12px 17px!important;
      color:var(--muted);
      font-weight:800;
      display:flex;
      align-items:center;
      gap:9px;
      background:rgba(246,248,255,.72);
    }
    .nav-card-list .nav-link i{font-size:.95rem}
    .nav-card-list .nav-link:hover{
      color:var(--brand);
      background:#fff;
      border-color:rgba(47,74,255,.16);
      transform:translateY(-1px);
      box-shadow:0 10px 24px rgba(47,74,255,.08);
    }
    .nav-card-list .nav-link.active{
      color:#fff;
      background:linear-gradient(135deg,var(--brand),var(--brand-2));
      box-shadow:0 12px 28px rgba(47,74,255,.22);
    }
    .nav-actions{
      display:flex;
      align-items:center;
      gap:10px;
      margin-left:auto;
    }

    .btn-rou{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      border-radius:999px;
      padding:13px 19px;
      font-weight:900;
      line-height:1;
      border:1px solid transparent;
      cursor:pointer;
      transition:transform .24s var(--ease), box-shadow .24s var(--ease), background .24s var(--ease), color .24s var(--ease), border-color .24s var(--ease);
      white-space:nowrap;
    }
    .btn-rou:focus-visible{
      outline:0;
      box-shadow:0 0 0 4px rgba(47,74,255,.14),0 14px 30px rgba(47,74,255,.18);
    }
    .btn-primary-rou{
      color:#fff;
      background:linear-gradient(135deg,var(--brand),var(--brand-2));
      box-shadow:0 16px 34px rgba(47,74,255,.24);
    }
    .btn-primary-rou:hover{
      color:#fff;
      transform:translateY(-2px);
      box-shadow:0 20px 44px rgba(47,74,255,.3);
    }
    .btn-ghost-rou{
      color:var(--ink);
      background:#fff;
      border-color:var(--line);
      box-shadow:0 10px 22px rgba(20,28,58,.05);
    }
    .btn-ghost-rou:hover{
      color:var(--brand);
      border-color:rgba(47,74,255,.22);
      transform:translateY(-2px);
      box-shadow:0 18px 35px rgba(20,28,58,.1);
    }
    .btn-soft-rou{
      color:var(--brand);
      background:rgba(47,74,255,.09);
      border-color:rgba(47,74,255,.12);
    }
    .btn-soft-rou:hover{background:rgba(47,74,255,.14);color:var(--brand);transform:translateY(-1px)}
    .badge-rou{
      display:inline-flex;
      align-items:center;
      gap:7px;
      border-radius:999px;
      padding:8px 12px;
      font-size:.82rem;
      font-weight:900;
      color:var(--brand);
      background:rgba(47,74,255,.09);
      border:1px solid rgba(47,74,255,.12);
    }
    .badge-dark-rou{
      color:#fff;
      background:rgba(18,21,37,.92);
      border-color:rgba(255,255,255,.12);
    }

    main{position:relative}
    .section{
      padding:88px 0;
      position:relative;
    }
    .section-tight{padding:64px 0}
    .section-head{
      max-width:780px;
      margin-bottom:34px;
    }
    .section-eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      margin-bottom:14px;
      color:var(--brand);
      font-weight:950;
      letter-spacing:.02em;
    }
    .section-title{
      margin:0;
      font-size:clamp(2rem,4vw,3.45rem);
      line-height:1.08;
      letter-spacing:-.07em;
      font-weight:950;
      color:var(--ink);
    }
    .section-desc{
      margin:17px 0 0;
      color:var(--muted);
      font-size:1.05rem;
      max-width:760px;
    }

    .hero{
      padding:46px 0 76px;
    }
    .hero-panel{
      position:relative;
      overflow:hidden;
      border-radius:38px;
      border:1px solid rgba(18,21,37,.08);
      background:
        linear-gradient(135deg,rgba(255,255,255,.92),rgba(246,248,255,.86)),
        radial-gradient(circle at 78% 8%,rgba(255,176,32,.25),transparent 22rem);
      box-shadow:var(--shadow-md);
      padding:30px;
    }
    .hero-panel:before{
      content:"";
      position:absolute;
      inset:auto -120px -180px auto;
      width:430px;
      height:430px;
      border-radius:50%;
      background:radial-gradient(circle,rgba(47,74,255,.16),transparent 68%);
      pointer-events:none;
    }
    .hero-grid{
      position:relative;
      display:grid;
      grid-template-columns:1.05fr .95fr;
      gap:26px;
      align-items:stretch;
    }
    .hero-copy{
      padding:34px 26px 26px;
      min-height:100%;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      gap:28px;
    }
    h1.hero-title{
      margin:18px 0 0;
      font-size:clamp(2.3rem,5.4vw,5.4rem);
      line-height:.98;
      letter-spacing:-.085em;
      font-weight:950;
      max-width:880px;
    }
    .hero-intro{
      margin:22px 0 0;
      max-width:720px;
      color:#4e5669;
      font-size:1.08rem;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:28px;
    }
    .hero-proof{
      display:grid;
      grid-template-columns:repeat(3,minmax(0,1fr));
      gap:12px;
    }
    .proof-item{
      border:1px solid rgba(18,21,37,.08);
      background:rgba(255,255,255,.7);
      border-radius:22px;
      padding:15px 16px;
      box-shadow:0 10px 24px rgba(20,28,58,.05);
    }
    .proof-item strong{
      display:block;
      font-size:1.45rem;
      letter-spacing:-.05em;
      line-height:1;
    }
    .proof-item span{
      display:block;
      margin-top:7px;
      color:var(--muted);
      font-size:.88rem;
      font-weight:700;
    }

    .whitepaper-stage{
      display:grid;
      grid-template-columns:.83fr 1fr;
      gap:16px;
      min-height:100%;
    }
    .paper-cover{
      position:relative;
      overflow:hidden;
      border-radius:30px;
      min-height:440px;
      color:#fff;
      padding:26px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      background:
        linear-gradient(160deg,rgba(18,21,37,.95),rgba(47,74,255,.86)),
        radial-gradient(circle at 78% 18%,rgba(255,176,32,.48),transparent 16rem);
      box-shadow:var(--shadow-lg);
    }
    .paper-cover:before{
      content:"";
      position:absolute;
      width:220px;
      height:220px;
      border:1px solid rgba(255,255,255,.2);
      border-radius:45px;
      right:-78px;
      top:-40px;
      transform:rotate(18deg);
    }
    .paper-cover:after{
      content:"";
      position:absolute;
      inset:44% -30% -40% 25%;
      background:linear-gradient(135deg,rgba(255,255,255,.14),rgba(255,255,255,0));
      transform:rotate(-12deg);
      border-radius:40px;
    }
    .paper-cover>*{position:relative;z-index:1}
    .paper-kicker{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      font-size:.82rem;
      font-weight:900;
      color:rgba(255,255,255,.86);
    }
    .paper-title{
      margin:30px 0 0;
      font-size:2.08rem;
      line-height:1.06;
      letter-spacing:-.06em;
      font-weight:950;
    }
    .paper-sub{
      margin:12px 0 0;
      color:rgba(255,255,255,.78);
      font-weight:700;
    }
    .paper-lines{
      display:grid;
      gap:10px;
      margin-top:28px;
    }
    .paper-line{
      height:10px;
      border-radius:999px;
      background:rgba(255,255,255,.18);
    }
    .paper-line:nth-child(1){width:92%}
    .paper-line:nth-child(2){width:74%}
    .paper-line:nth-child(3){width:84%}
    .paper-bottom{
      display:flex;
      align-items:end;
      justify-content:space-between;
      gap:16px;
      margin-top:28px;
    }
    .paper-chip{
      display:inline-flex;
      padding:8px 10px;
      border-radius:999px;
      background:rgba(255,255,255,.14);
      border:1px solid rgba(255,255,255,.16);
      font-weight:900;
      font-size:.78rem;
    }
    .cover-num{
      font-size:3.5rem;
      line-height:.85;
      font-weight:950;
      letter-spacing:-.08em;
      color:rgba(255,255,255,.9);
    }
    .lead-card{
      border:1px solid rgba(18,21,37,.08);
      background:rgba(255,255,255,.82);
      border-radius:30px;
      padding:23px;
      box-shadow:0 18px 48px rgba(20,28,58,.08);
    }
    .toc{
      list-style:none;
      margin:0 0 20px;
      padding:0;
      display:grid;
      gap:10px;
    }
    .toc li{
      display:flex;
      gap:10px;
      align-items:flex-start;
      padding:12px;
      border-radius:18px;
      background:var(--soft);
      color:#3c4356;
      font-weight:800;
      font-size:.94rem;
    }
    .toc li i{
      color:var(--brand);
      margin-top:4px;
    }
    .mini-form{
      display:grid;
      gap:11px;
    }
    .form-note{
      margin:3px 0 0;
      color:var(--muted);
      font-size:.82rem;
    }
    .form-message{
      display:none;
      border-radius:16px;
      padding:11px 13px;
      background:rgba(19,185,129,.1);
      color:#087f5b;
      font-weight:800;
      font-size:.9rem;
    }

    .countdown-section{
      background:linear-gradient(180deg,rgba(246,248,255,.72),rgba(255,255,255,0));
    }
    .countdown-wrap{
      display:grid;
      grid-template-columns:.88fr 1.12fr;
      gap:24px;
      align-items:center;
      border:1px solid rgba(18,21,37,.08);
      background:#fff;
      border-radius:34px;
      padding:26px;
      box-shadow:var(--shadow-sm);
      overflow:hidden;
    }
    .countdown-copy{
      padding:16px;
    }
    .countdown-copy h2{
      margin:0;
      font-size:clamp(1.9rem,3.6vw,3rem);
      font-weight:950;
      letter-spacing:-.07em;
      line-height:1.08;
    }
    .countdown-copy p{
      margin:16px 0 0;
      color:var(--muted);
    }
    .timer-grid{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:13px;
    }
    .timer-box{
      min-height:146px;
      border-radius:28px;
      padding:22px 14px;
      display:flex;
      flex-direction:column;
      justify-content:center;
      align-items:center;
      background:
        linear-gradient(180deg,#ffffff,#f6f8ff);
      border:1px solid rgba(47,74,255,.11);
      box-shadow:0 14px 34px rgba(47,74,255,.08);
      transition:transform .26s var(--ease), box-shadow .26s var(--ease);
    }
    .timer-box:hover{
      transform:translateY(-4px);
      box-shadow:0 20px 45px rgba(47,74,255,.13);
    }
    .timer-box strong{
      font-size:clamp(2rem,5vw,3.25rem);
      line-height:1;
      letter-spacing:-.08em;
      font-weight:950;
      color:var(--brand);
    }
    .timer-box span{
      margin-top:10px;
      color:var(--muted);
      font-weight:900;
    }

    .highlight-layout{
      display:grid;
      grid-template-columns:1.15fr .85fr;
      gap:18px;
      align-items:stretch;
    }
    .highlight-wall{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:18px;
    }
    .feature-tile{
      border:1px solid rgba(18,21,37,.08);
      background:#fff;
      border-radius:28px;
      padding:24px;
      box-shadow:var(--shadow-sm);
      min-height:210px;
      transition:transform .28s var(--ease), box-shadow .28s var(--ease), border-color .28s var(--ease);
      position:relative;
      overflow:hidden;
    }
    .feature-tile:hover{
      transform:translateY(-5px);
      border-color:rgba(47,74,255,.18);
      box-shadow:var(--shadow-md);
    }
    .feature-tile.wide{
      grid-column:span 2;
      min-height:188px;
      background:
        linear-gradient(135deg,rgba(47,74,255,.95),rgba(124,58,237,.88));
      color:#fff;
    }
    .feature-tile.wide p{color:rgba(255,255,255,.78)}
    .feature-icon{
      width:48px;
      height:48px;
      border-radius:18px;
      display:grid;
      place-items:center;
      background:rgba(47,74,255,.1);
      color:var(--brand);
      margin-bottom:18px;
      font-size:1.15rem;
    }
    .feature-tile.wide .feature-icon{
      background:rgba(255,255,255,.16);
      color:#fff;
    }
    .feature-tile h3{
      margin:0;
      font-size:1.28rem;
      font-weight:950;
      letter-spacing:-.04em;
    }
    .feature-tile p{
      margin:10px 0 0;
      color:var(--muted);
      font-size:.97rem;
    }
    .spotlight-card{
      border-radius:32px;
      padding:28px;
      background:
        radial-gradient(circle at 20% 10%,rgba(255,176,32,.28),transparent 18rem),
        linear-gradient(160deg,#161a2e,#252b52);
      color:#fff;
      min-height:100%;
      box-shadow:0 24px 70px rgba(18,21,37,.22);
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      overflow:hidden;
      position:relative;
    }
    .spotlight-card:after{
      content:"";
      position:absolute;
      right:-52px;
      bottom:-58px;
      width:220px;
      height:220px;
      border-radius:50%;
      border:38px solid rgba(255,255,255,.06);
    }
    .spotlight-card>*{position:relative;z-index:1}
    .spotlight-card h3{
      margin:18px 0 0;
      font-size:2.15rem;
      line-height:1.04;
      letter-spacing:-.06em;
      font-weight:950;
    }
    .spotlight-list{
      list-style:none;
      margin:26px 0 0;
      padding:0;
      display:grid;
      gap:12px;
    }
    .spotlight-list li{
      display:flex;
      gap:10px;
      align-items:flex-start;
      color:rgba(255,255,255,.78);
      font-weight:700;
    }
    .spotlight-list i{color:var(--accent);margin-top:5px}

    .ticket-section{
      background:linear-gradient(180deg,#fff 0%,#f7f9ff 100%);
    }
    .ticket-wrap{
      display:grid;
      grid-template-columns:.82fr 1.18fr;
      gap:24px;
      align-items:start;
    }
    .ticket-guide{
      position:sticky;
      top:126px;
      border-radius:32px;
      padding:28px;
      background:#fff;
      border:1px solid rgba(18,21,37,.08);
      box-shadow:var(--shadow-sm);
    }
    .ticket-guide h2{
      margin:0;
      font-size:2.4rem;
      line-height:1.08;
      letter-spacing:-.07em;
      font-weight:950;
    }
    .ticket-guide p{
      margin:16px 0 0;
      color:var(--muted);
    }
    .compare-list{
      display:grid;
      gap:16px;
    }
    .ticket-card{
      position:relative;
      overflow:hidden;
      display:grid;
      grid-template-columns:1fr auto;
      gap:18px;
      align-items:center;
      border:1px solid rgba(18,21,37,.08);
      background:#fff;
      border-radius:30px;
      padding:24px;
      box-shadow:var(--shadow-sm);
      transition:transform .28s var(--ease), box-shadow .28s var(--ease), border-color .28s var(--ease);
    }
    .ticket-card:hover{
      transform:translateY(-4px);
      border-color:rgba(47,74,255,.18);
      box-shadow:var(--shadow-md);
    }
    .ticket-card.recommend{
      border-color:rgba(47,74,255,.22);
      background:
        linear-gradient(135deg,rgba(47,74,255,.08),rgba(255,255,255,.96));
    }
    .ticket-card h3{
      margin:0;
      font-size:1.35rem;
      font-weight:950;
      letter-spacing:-.04em;
    }
    .ticket-card p{
      margin:8px 0 0;
      color:var(--muted);
    }
    .ticket-tags{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      margin-top:14px;
    }
    .ticket-tags span{
      padding:7px 10px;
      border-radius:999px;
      background:#f2f5ff;
      color:#4d5a87;
      font-size:.8rem;
      font-weight:850;
    }
    .price-block{
      min-width:142px;
      text-align:right;
    }
    .price-block strong{
      display:block;
      font-size:2.1rem;
      letter-spacing:-.07em;
      font-weight:950;
      color:var(--ink);
      line-height:1;
    }
    .price-block span{
      display:block;
      margin:7px 0 13px;
      color:var(--muted);
      font-size:.86rem;
      font-weight:800;
    }

    .news-layout{
      display:grid;
      grid-template-columns:1.12fr .88fr;
      gap:24px;
      align-items:start;
    }
    .news-list{
      display:grid;
      gap:12px;
    }
    .news-item{
      display:grid;
      grid-template-columns:auto 1fr auto;
      gap:16px;
      align-items:center;
      padding:18px;
      border:1px solid rgba(18,21,37,.08);
      border-radius:24px;
      background:#fff;
      box-shadow:0 10px 26px rgba(20,28,58,.05);
      transition:transform .24s var(--ease), box-shadow .24s var(--ease), border-color .24s var(--ease);
    }
    .news-item:hover{
      transform:translateX(4px);
      border-color:rgba(47,74,255,.18);
      box-shadow:var(--shadow-sm);
    }
    .news-date{
      width:66px;
      height:66px;
      border-radius:20px;
      display:grid;
      place-items:center;
      background:var(--soft);
      color:var(--brand);
      font-weight:950;
      line-height:1.05;
      text-align:center;
    }
    .news-date span{display:block;font-size:.78rem;color:#6e78a3}
    .news-item h3{
      margin:0;
      font-size:1.08rem;
      font-weight:950;
      letter-spacing:-.03em;
    }
    .news-item p{
      margin:5px 0 0;
      color:var(--muted);
      font-size:.93rem;
    }
    .news-arrow{
      width:38px;
      height:38px;
      display:grid;
      place-items:center;
      border-radius:50%;
      background:#fff;
      border:1px solid var(--line);
      color:var(--muted);
    }
    .news-item:hover .news-arrow{
      background:var(--brand);
      color:#fff;
      border-color:var(--brand);
    }
    .recommend-panel{
      border-radius:32px;
      padding:26px;
      background:
        linear-gradient(180deg,#ffffff,#f7f9ff);
      border:1px solid rgba(18,21,37,.08);
      box-shadow:var(--shadow-sm);
    }
    .rank-list{
      list-style:none;
      padding:0;
      margin:18px 0 0;
      display:grid;
      gap:12px;
    }
    .rank-list li{
      display:grid;
      grid-template-columns:auto 1fr;
      gap:13px;
      align-items:start;
      padding:13px;
      border-radius:20px;
      background:#fff;
      border:1px solid rgba(18,21,37,.06);
    }
    .rank-num{
      width:34px;
      height:34px;
      border-radius:13px;
      display:grid;
      place-items:center;
      background:rgba(255,176,32,.16);
      color:#a76100;
      font-weight:950;
    }
    .rank-list strong{display:block;font-weight:950}
    .rank-list span{display:block;margin-top:3px;color:var(--muted);font-size:.9rem}

    .signup-section{
      padding-bottom:96px;
    }
    .signup-box{
      display:grid;
      grid-template-columns:.9fr 1.1fr;
      gap:24px;
      border-radius:38px;
      padding:30px;
      background:
        radial-gradient(circle at 12% 8%,rgba(255,176,32,.2),transparent 20rem),
        linear-gradient(135deg,#15182b,#242a56);
      color:#fff;
      box-shadow:0 30px 90px rgba(18,21,37,.25);
      overflow:hidden;
      position:relative;
    }
    .signup-box:before{
      content:"";
      position:absolute;
      width:320px;
      height:320px;
      right:-110px;
      top:-90px;
      border-radius:50%;
      background:rgba(47,74,255,.32);
      filter:blur(2px);
    }
    .signup-box>*{position:relative;z-index:1}
    .signup-copy{
      padding:18px 10px 18px 12px;
    }
    .signup-copy h2{
      margin:0;
      font-size:clamp(2rem,4vw,3.4rem);
      line-height:1.06;
      letter-spacing:-.08em;
      font-weight:950;
    }
    .signup-copy p{
      margin:18px 0 0;
      color:rgba(255,255,255,.76);
      max-width:560px;
    }
    .signup-points{
      display:grid;
      grid-template-columns:repeat(2,minmax(0,1fr));
      gap:12px;
      margin-top:26px;
    }
    .signup-point{
      padding:14px;
      border-radius:20px;
      background:rgba(255,255,255,.1);
      border:1px solid rgba(255,255,255,.12);
      font-weight:850;
      color:rgba(255,255,255,.88);
    }
    .signup-form{
      background:rgba(255,255,255,.94);
      color:var(--ink);
      border-radius:30px;
      padding:24px;
      box-shadow:0 20px 54px rgba(0,0,0,.18);
    }
    .signup-form h3{
      margin:0 0 16px;
      font-weight:950;
      letter-spacing:-.04em;
    }
    .privacy-line{
      display:flex;
      gap:9px;
      align-items:flex-start;
      margin:13px 0 17px;
      color:var(--muted);
      font-size:.86rem;
    }
    .privacy-line i{color:var(--success);margin-top:5px}

    .faq-section{
      background:linear-gradient(180deg,#f8faff,#fff);
    }
    .faq-layout{
      display:grid;
      grid-template-columns:.82fr 1.18fr;
      gap:24px;
      align-items:start;
    }
    .faq-aside{
      border-radius:32px;
      padding:28px;
      background:#fff;
      border:1px solid rgba(18,21,37,.08);
      box-shadow:var(--shadow-sm);
    }
    .faq-aside h2{
      margin:0;
      font-size:2.45rem;
      line-height:1.08;
      letter-spacing:-.07em;
      font-weight:950;
    }
    .faq-aside p{margin:16px 0 0;color:var(--muted)}
    .accordion{
      display:grid;
      gap:12px;
    }
    .accordion-item{
      border:1px solid rgba(18,21,37,.08)!important;
      border-radius:24px!important;
      overflow:hidden;
      background:#fff;
      box-shadow:0 10px 26px rgba(20,28,58,.05);
    }
    .accordion-button{
      padding:19px 22px;
      font-weight:950;
      color:var(--ink);
      background:#fff;
      box-shadow:none!important;
      letter-spacing:-.02em;
    }
    .accordion-button:not(.collapsed){
      color:var(--brand);
      background:#f6f8ff;
    }
    .accordion-button:focus{
      border-color:transparent;
      box-shadow:0 0 0 4px rgba(47,74,255,.12)!important;
    }
    .accordion-body{
      padding:0 22px 22px;
      color:var(--muted);
    }

    .site-footer{
      padding:56px 0 34px;
      background:#101423;
      color:#fff;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1fr auto;
      gap:26px;
      align-items:start;
      padding-bottom:28px;
      border-bottom:1px solid rgba(255,255,255,.1);
    }
    .footer-brand{
      display:flex;
      gap:14px;
      align-items:center;
      font-weight:950;
      font-size:1.15rem;
    }
    .footer-brand .brand-mark{
      width:42px;
      height:42px;
      box-shadow:none;
    }
    .footer-desc{
      margin:15px 0 0;
      max-width:680px;
      color:rgba(255,255,255,.68);
    }
    .footer-links{
      display:flex;
      flex-wrap:wrap;
      justify-content:flex-end;
      gap:10px;
    }
    .footer-links a{
      padding:10px 13px;
      border-radius:999px;
      color:rgba(255,255,255,.76);
      background:rgba(255,255,255,.06);
      border:1px solid rgba(255,255,255,.08);
      font-weight:800;
    }
    .footer-links a:hover{
      color:#fff;
      background:rgba(255,255,255,.12);
      transform:translateY(-1px);
    }
    .copyright{
      display:flex;
      justify-content:space-between;
      gap:18px;
      flex-wrap:wrap;
      margin-top:22px;
      color:rgba(255,255,255,.52);
      font-size:.9rem;
    }

    .float-cta{
      position:fixed;
      right:22px;
      bottom:22px;
      z-index:80;
      display:flex;
      align-items:center;
      gap:10px;
      padding:10px 12px 10px 16px;
      border-radius:999px;
      background:rgba(255,255,255,.88);
      border:1px solid rgba(18,21,37,.1);
      box-shadow:0 18px 52px rgba(20,28,58,.18);
      backdrop-filter:blur(14px);
    }
    .float-cta span{
      color:var(--muted);
      font-weight:850;
      font-size:.9rem;
    }

    @media (max-width: 1024px){
      .hero-grid,
      .whitepaper-stage,
      .countdown-wrap,
      .highlight-layout,
      .ticket-wrap,
      .news-layout,
      .signup-box,
      .faq-layout{
        grid-template-columns:1fr;
      }
      .paper-cover{min-height:350px}
      .ticket-guide{position:relative;top:auto}
      .hero-copy{padding:22px 12px 10px}
    }

    @media (max-width: 991.98px){
      .nav-shell{border-radius:24px}
      .navbar-collapse{
        margin-top:13px;
        padding-top:13px;
        border-top:1px solid var(--line);
      }
      .nav-card-list{
        align-items:stretch;
        margin:0;
        gap:9px;
      }
      .nav-card-list .nav-link{justify-content:flex-start}
      .nav-actions{
        margin:12px 0 0;
        width:100%;
      }
      .nav-actions .btn-rou{width:100%}
    }

    @media (max-width: 768px){
      .section{padding:68px 0}
      .section-tight{padding:52px 0}
      .hero{padding:24px 0 58px}
      .hero-panel{
        border-radius:28px;
        padding:18px;
      }
      .hero-proof,
      .timer-grid,
      .signup-points{
        grid-template-columns:repeat(2,minmax(0,1fr));
      }
      .highlight-wall{grid-template-columns:1fr}
      .feature-tile.wide{grid-column:auto}
      .ticket-card{
        grid-template-columns:1fr;
      }
      .price-block{
        text-align:left;
        display:flex;
        align-items:center;
        justify-content:space-between;
        gap:14px;
      }
      .news-item{
        grid-template-columns:auto 1fr;
      }
      .news-arrow{display:none}
      .footer-grid{
        grid-template-columns:1fr;
      }
      .footer-links{justify-content:flex-start}
      .float-cta{
        left:14px;
        right:14px;
        bottom:14px;
        justify-content:space-between;
      }
    }

    @media (max-width: 520px){
      :root{--nav-height:auto}
      .site-header{padding:10px 0}
      .container-xl{padding-left:16px;padding-right:16px}
      .brand-text span{display:none}
      .hero-panel{padding:14px}
      h1.hero-title{font-size:2.45rem;letter-spacing:-.075em}
      .hero-actions .btn-rou{width:100%}
      .hero-proof,
      .timer-grid,
      .signup-points{
        grid-template-columns:1fr;
      }
      .timer-box{min-height:116px}
      .paper-cover,
      .lead-card,
      .feature-tile,
      .spotlight-card,
      .ticket-guide,
      .ticket-card,
      .recommend-panel,
      .signup-form,
      .faq-aside{
        border-radius:24px;
      }
      .signup-box{
        padding:18px;
        border-radius:28px;
      }
      .paper-title{font-size:1.74rem}
      .section-title{font-size:2.05rem}
      .countdown-copy{padding:6px}
      .news-date{
        width:56px;
        height:56px;
        border-radius:18px;
      }
      .copyright{padding-bottom:62px}
      .float-cta span{display:none}
      .float-cta .btn-rou{width:100%}
    }

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}