/* roulang page: index */
:root{
      --bg:#071122;
      --bg-2:#0a1830;
      --bg-3:#0e2447;
      --panel:rgba(13,31,62,.66);
      --panel-strong:rgba(17,42,82,.88);
      --glass:rgba(255,255,255,.08);
      --glass-2:rgba(255,255,255,.12);
      --text:#eef6ff;
      --muted:#a9bbd6;
      --soft:#d8e6ff;
      --primary:#22d3ee;
      --primary-2:#3b82f6;
      --accent:#8b5cf6;
      --success:#34d399;
      --warning:#fbbf24;
      --danger:#fb7185;
      --border:rgba(181,207,255,.18);
      --border-2:rgba(135,206,250,.32);
      --shadow:0 24px 80px rgba(0,0,0,.36);
      --shadow-soft:0 16px 46px rgba(5,18,44,.28);
      --radius-xl:30px;
      --radius-lg:22px;
      --radius-md:16px;
      --radius-sm:12px;
      --nav-h:78px;
      --container:1180px;
      --ease:all .24s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      min-height:100vh;
      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 8% 12%, rgba(34,211,238,.18), transparent 30%),
        radial-gradient(circle at 82% 8%, rgba(139,92,246,.22), transparent 28%),
        linear-gradient(180deg, #061024 0%, #081a33 46%, #050b17 100%);
      line-height:1.7;
      overflow-x:hidden;
    }
    body::before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      background-image:
        linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
      background-size:48px 48px;
      mask-image:linear-gradient(to bottom, rgba(0,0,0,.9), rgba(0,0,0,.18));
      z-index:-2;
    }
    a{color:inherit;text-decoration:none;transition:var(--ease)}
    a:hover{color:var(--primary)}
    img,video{max-width:100%;display:block}
    button,input,textarea,select{font:inherit}
    button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{
      outline:3px solid rgba(34,211,238,.42);
      outline-offset:3px;
      border-radius:12px;
    }
    ::selection{background:rgba(34,211,238,.28);color:#fff}
    .container-xl{max-width:var(--container)}
    .site-header{
      position:sticky;
      top:0;
      z-index:1000;
      min-height:var(--nav-h);
      background:rgba(6,15,32,.76);
      backdrop-filter:blur(18px);
      border-bottom:1px solid var(--border);
      box-shadow:0 10px 34px rgba(0,0,0,.18);
    }
    .navbar{min-height:var(--nav-h);padding:.8rem 0}
    .brand-mark{
      width:42px;height:42px;border-radius:15px;
      display:grid;place-items:center;
      background:linear-gradient(135deg,rgba(34,211,238,.95),rgba(59,130,246,.85) 56%,rgba(139,92,246,.9));
      box-shadow:0 0 30px rgba(34,211,238,.24);
      color:#041022;
      font-weight:900;
      letter-spacing:-.05em;
    }
    .navbar-brand{
      color:var(--text)!important;
      font-weight:900;
      letter-spacing:-.03em;
      display:flex;
      align-items:center;
      gap:.72rem;
      margin-right:2rem;
    }
    .brand-text{display:flex;flex-direction:column;line-height:1.16}
    .brand-text small{font-size:.72rem;color:var(--muted);font-weight:600;letter-spacing:.04em}
    .navbar-nav{
      padding:.35rem;
      gap:.35rem;
      border:1px solid var(--border);
      border-radius:999px;
      background:rgba(255,255,255,.045);
    }
    .navbar-nav .nav-link{
      color:var(--muted);
      font-weight:750;
      padding:.55rem 1rem!important;
      border-radius:999px;
    }
    .navbar-nav .nav-link:hover,
    .navbar-nav .nav-link.active{
      color:#fff;
      background:rgba(34,211,238,.12);
      box-shadow:inset 0 0 0 1px rgba(34,211,238,.18);
    }
    .navbar-toggler{
      border:1px solid var(--border);
      border-radius:14px;
      padding:.55rem .7rem;
      color:var(--text);
      background:rgba(255,255,255,.06);
    }
    .navbar-toggler-icon{
      background-image:none;
      width:1.4rem;height:1.4rem;
      position:relative;
    }
    .navbar-toggler-icon::before,
    .navbar-toggler-icon::after,
    .navbar-toggler-icon span{
      content:"";
      display:block;
      height:2px;
      width:100%;
      background:#fff;
      border-radius:999px;
      position:absolute;
      left:0;
    }
    .navbar-toggler-icon::before{top:4px}
    .navbar-toggler-icon::after{bottom:4px}
    .navbar-toggler-icon span{top:50%;transform:translateY(-50%)}
    .nav-actions{display:flex;align-items:center;gap:.75rem}
    .btn{
      border-radius:999px;
      font-weight:850;
      letter-spacing:-.01em;
      border:0;
      transition:var(--ease);
      padding:.82rem 1.18rem;
    }
    .btn-glow{
      color:#031225!important;
      background:linear-gradient(135deg,var(--primary),#60a5fa);
      box-shadow:0 0 0 1px rgba(255,255,255,.14) inset,0 0 28px rgba(34,211,238,.36),0 12px 30px rgba(34,211,238,.16);
    }
    .btn-glow:hover{transform:translateY(-2px);box-shadow:0 0 38px rgba(34,211,238,.52),0 16px 36px rgba(34,211,238,.18)}
    .btn-ghost{
      color:var(--soft)!important;
      background:rgba(255,255,255,.07);
      border:1px solid var(--border);
    }
    .btn-ghost:hover{background:rgba(255,255,255,.12);border-color:var(--border-2);transform:translateY(-2px)}
    .btn-mini{padding:.55rem .85rem;font-size:.9rem}
    .section{
      position:relative;
      padding:96px 0;
    }
    .section-tight{padding:70px 0}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:.45rem;
      color:#a5f3fc;
      background:rgba(34,211,238,.09);
      border:1px solid rgba(34,211,238,.22);
      border-radius:999px;
      padding:.42rem .82rem;
      font-size:.9rem;
      font-weight:850;
      margin-bottom:1rem;
    }
    .section-title{
      font-size:clamp(2rem,3.8vw,3.4rem);
      line-height:1.12;
      letter-spacing:-.055em;
      font-weight:950;
      margin:0 0 1rem;
    }
    .section-desc{
      color:var(--muted);
      font-size:1.08rem;
      max-width:760px;
      margin:0;
    }
    .hero{
      min-height:calc(100vh - var(--nav-h));
      position:relative;
      overflow:hidden;
      display:flex;
      align-items:stretch;
      border-bottom:1px solid var(--border);
    }
    .hero-video{
      position:absolute;
      inset:0;
      width:100%;
      height:100%;
      object-fit:cover;
      opacity:.26;
      filter:saturate(1.1) contrast(1.05);
    }
    .hero::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(90deg, rgba(5,12,27,.94) 0%, rgba(5,12,27,.70) 42%, rgba(5,12,27,.36) 100%),
        radial-gradient(circle at 72% 44%, rgba(34,211,238,.22), transparent 34%);
      z-index:1;
    }
    .hero::after{
      content:"";
      position:absolute;
      inset:auto -10% -30% -10%;
      height:50%;
      background:radial-gradient(ellipse at center,rgba(34,211,238,.18),transparent 64%);
      z-index:1;
    }
    .hero-content{
      position:relative;
      z-index:2;
      width:100%;
      display:flex;
      align-items:center;
      padding:74px 0 86px;
    }
    .hero-kv{
      display:grid;
      grid-template-columns:minmax(0,1fr) 390px;
      gap:2.2rem;
      align-items:end;
    }
    .hero-badge-row{
      display:flex;
      flex-wrap:wrap;
      gap:.75rem;
      margin-bottom:1.25rem;
    }
    .hero-badge{
      display:inline-flex;
      align-items:center;
      gap:.5rem;
      border-radius:999px;
      border:1px solid var(--border);
      padding:.48rem .78rem;
      background:rgba(255,255,255,.07);
      color:var(--soft);
      backdrop-filter:blur(16px);
      font-weight:800;
      font-size:.92rem;
    }
    .hero h1{
      font-size:clamp(2.75rem,6vw,6.2rem);
      line-height:.98;
      letter-spacing:-.08em;
      font-weight:1000;
      max-width:980px;
      margin:0 0 1.25rem;
    }
    .hero-lead{
      max-width:760px;
      color:#d7e8ff;
      font-size:clamp(1.05rem,1.6vw,1.24rem);
      margin:0 0 1.7rem;
    }
    .hero-actions{display:flex;flex-wrap:wrap;gap:.9rem;margin-bottom:1.6rem}
    .hero-points{
      display:grid;
      grid-template-columns:repeat(3,minmax(0,1fr));
      gap:.85rem;
      max-width:860px;
    }
    .point-card{
      padding:1rem 1.1rem;
      border-radius:var(--radius-md);
      border:1px solid var(--border);
      background:rgba(255,255,255,.07);
      backdrop-filter:blur(18px);
    }
    .point-card strong{
      display:block;
      font-size:1.4rem;
      color:#fff;
      line-height:1.1;
      letter-spacing:-.04em;
    }
    .point-card span{display:block;color:var(--muted);font-size:.88rem;margin-top:.25rem}
    .countdown-panel{
      border:1px solid rgba(34,211,238,.28);
      border-radius:var(--radius-xl);
      background:linear-gradient(180deg,rgba(13,31,62,.72),rgba(9,21,44,.58));
      box-shadow:var(--shadow);
      backdrop-filter:blur(24px);
      padding:1.35rem;
      overflow:hidden;
      position:relative;
    }
    .countdown-panel::before{
      content:"";
      position:absolute;
      inset:-2px;
      background:linear-gradient(135deg,rgba(34,211,238,.22),transparent 38%,rgba(139,92,246,.22));
      opacity:.8;
      pointer-events:none;
    }
    .countdown-inner{position:relative}
    .countdown-title{
      display:flex;align-items:center;justify-content:space-between;gap:1rem;
      color:#fff;font-weight:950;margin-bottom:1rem;
    }
    .live-dot{
      display:inline-flex;align-items:center;gap:.35rem;
      color:#a7f3d0;font-size:.84rem;font-weight:900;
    }
    .live-dot::before{
      content:"";width:8px;height:8px;border-radius:50%;background:var(--success);
      box-shadow:0 0 16px rgba(52,211,153,.85);
    }
    .time-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:.55rem;margin-bottom:1rem}
    .time-box{
      text-align:center;
      border-radius:16px;
      border:1px solid rgba(255,255,255,.12);
      background:rgba(0,0,0,.18);
      padding:.8rem .35rem;
    }
    .time-box b{display:block;font-size:1.45rem;line-height:1;color:#fff}
    .time-box small{color:var(--muted);font-size:.72rem}
    .progress{
      height:10px;
      border-radius:999px;
      background:rgba(255,255,255,.12);
      overflow:hidden;
    }
    .progress-bar{
      background:linear-gradient(90deg,var(--primary),var(--accent));
      box-shadow:0 0 18px rgba(34,211,238,.55);
    }
    .countdown-note{color:var(--muted);font-size:.93rem;margin:.85rem 0 1rem}
    .glass-card{
      border:1px solid var(--border);
      background:linear-gradient(180deg,rgba(255,255,255,.09),rgba(255,255,255,.055));
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow-soft);
      backdrop-filter:blur(18px);
      transition:var(--ease);
      overflow:hidden;
    }
    .glass-card:hover{transform:translateY(-5px);border-color:rgba(34,211,238,.34);box-shadow:0 22px 64px rgba(3,12,30,.42)}
    .metric-board{
      display:grid;
      grid-template-columns:1.2fr .8fr;
      gap:1.1rem;
      margin-top:2rem;
    }
    .metric-main{
      padding:1.6rem;
      min-height:320px;
      display:grid;
      grid-template-columns:repeat(2,1fr);
      gap:1rem;
    }
    .metric-item{
      padding:1.25rem;
      border-radius:20px;
      border:1px solid rgba(255,255,255,.12);
      background:rgba(7,17,34,.38);
    }
    .metric-item .num{
      display:block;
      font-size:clamp(2rem,4vw,3.4rem);
      line-height:1;
      font-weight:1000;
      letter-spacing:-.07em;
      color:#fff;
    }
    .metric-item .num em{font-style:normal;color:var(--primary);font-size:.55em}
    .metric-item p{margin:.75rem 0 0;color:var(--muted)}
    .radar-card{
      padding:1.6rem;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      min-height:320px;
      background:
        radial-gradient(circle at 50% 35%, rgba(34,211,238,.18), transparent 36%),
        linear-gradient(180deg,rgba(255,255,255,.09),rgba(255,255,255,.05));
    }
    .radar{
      width:210px;height:210px;border-radius:50%;
      margin:0 auto;
      border:1px solid rgba(34,211,238,.26);
      background:
        radial-gradient(circle, transparent 0 28%, rgba(34,211,238,.08) 29% 30%, transparent 31% 54%, rgba(34,211,238,.08) 55% 56%, transparent 57%),
        conic-gradient(from 180deg, rgba(34,211,238,.52), rgba(139,92,246,.08), rgba(34,211,238,.52));
      position:relative;
      box-shadow:inset 0 0 34px rgba(34,211,238,.12),0 0 42px rgba(34,211,238,.12);
    }
    .radar::after{
      content:"";
      position:absolute;
      inset:46%;
      border-radius:50%;
      background:var(--primary);
      box-shadow:0 0 24px rgba(34,211,238,.9);
    }
    .tag{
      display:inline-flex;
      align-items:center;
      gap:.35rem;
      padding:.36rem .68rem;
      border-radius:999px;
      color:#dff8ff;
      border:1px solid rgba(34,211,238,.22);
      background:rgba(34,211,238,.08);
      font-size:.84rem;
      font-weight:800;
    }
    .tier-wrap{
      margin-top:2rem;
      display:grid;
      grid-template-columns:repeat(3,minmax(0,1fr));
      gap:1rem;
      align-items:stretch;
    }
    .tier-card{
      padding:1.45rem;
      position:relative;
    }
    .tier-card.featured{
      border-color:rgba(34,211,238,.42);
      background:linear-gradient(180deg,rgba(34,211,238,.13),rgba(255,255,255,.06));
    }
    .tier-level{
      display:flex;justify-content:space-between;align-items:center;gap:1rem;margin-bottom:.9rem;
    }
    .tier-level b{font-size:1.22rem;color:#fff}
    .tier-card ul{list-style:none;padding:0;margin:1rem 0 1.2rem}
    .tier-card li{
      display:flex;gap:.55rem;color:var(--muted);margin:.55rem 0;
    }
    .tier-card li i{color:var(--success)}
    .material-layout{
      display:grid;
      grid-template-columns:.86fr 1.14fr;
      gap:1.15rem;
      margin-top:2rem;
      align-items:stretch;
    }
    .material-menu{
      padding:1rem;
      display:grid;
      gap:.7rem;
    }
    .material-pill{
      display:flex;
      align-items:center;
      gap:.85rem;
      padding:1rem;
      border-radius:18px;
      background:rgba(255,255,255,.055);
      border:1px solid transparent;
    }
    .material-pill:hover{background:rgba(34,211,238,.09);border-color:rgba(34,211,238,.2);transform:translateX(4px)}
    .material-pill i{
      width:42px;height:42px;border-radius:14px;
      display:grid;place-items:center;
      background:rgba(34,211,238,.12);
      color:var(--primary);
      font-size:1.25rem;
    }
    .material-pill b{display:block;color:#fff}
    .material-pill span{display:block;color:var(--muted);font-size:.92rem}
    .showcase{
      padding:1.4rem;
      min-height:100%;
      background:
        radial-gradient(circle at 75% 12%, rgba(139,92,246,.22), transparent 32%),
        linear-gradient(180deg,rgba(255,255,255,.09),rgba(255,255,255,.05));
    }
    .showcase-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:.85rem;
      margin-top:1.2rem;
    }
    .asset-card{
      border-radius:18px;
      padding:1rem;
      border:1px solid rgba(255,255,255,.12);
      background:rgba(3,12,30,.36);
      min-height:130px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
    }
    .asset-card strong{font-size:1.05rem;color:#fff}
    .asset-card p{margin:.35rem 0 0;color:var(--muted);font-size:.94rem}
    .asset-card .mini-line{height:6px;border-radius:999px;background:linear-gradient(90deg,var(--primary),transparent);opacity:.7;margin-top:1rem}
    .hot-strip{
      margin-top:2rem;
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:1rem;
    }
    .rank-list{
      padding:1.25rem;
      counter-reset:item;
    }
    .rank-item{
      display:grid;
      grid-template-columns:auto 1fr auto;
      gap:.9rem;
      align-items:center;
      padding:1rem 0;
      border-bottom:1px solid rgba(255,255,255,.1);
    }
    .rank-item:last-child{border-bottom:0}
    .rank-no{
      width:34px;height:34px;border-radius:12px;
      display:grid;place-items:center;
      background:rgba(34,211,238,.12);
      color:#a5f3fc;
      font-weight:950;
    }
    .rank-text b{display:block;color:#fff}
    .rank-text span{display:block;color:var(--muted);font-size:.92rem}
    .compare-card{padding:1.25rem}
    .compare-row{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:.8rem;
      margin-top:1rem;
    }
    .compare-box{
      padding:1rem;
      border-radius:18px;
      border:1px solid rgba(255,255,255,.1);
      background:rgba(255,255,255,.045);
    }
    .compare-box.good{border-color:rgba(52,211,153,.28);background:rgba(52,211,153,.065)}
    .compare-box.warn{border-color:rgba(251,191,36,.24);background:rgba(251,191,36,.055)}
    .compare-box h3{font-size:1.05rem;margin:0 0 .7rem;color:#fff}
    .compare-box p{color:var(--muted);margin:0}
    .news-layout{
      display:grid;
      grid-template-columns:minmax(0,1fr) 360px;
      gap:1.15rem;
      margin-top:2rem;
    }
    .news-list{padding:1.2rem}
    .news-link{
      display:grid;
      grid-template-columns:120px minmax(0,1fr) auto;
      gap:1rem;
      align-items:center;
      padding:1.05rem 0;
      border-bottom:1px solid rgba(255,255,255,.1);
    }
    .news-link:last-child{border-bottom:0}
    .news-date{
      color:#a5f3fc;
      font-weight:900;
      font-size:.9rem;
      white-space:nowrap;
    }
    .news-title{font-size:1.05rem;font-weight:850;color:#fff}
    .news-summary{color:var(--muted);font-size:.94rem;margin:.2rem 0 0}
    .news-link i{color:var(--muted);transition:var(--ease)}
    .news-link:hover .news-title{color:var(--primary)}
    .news-link:hover i{transform:translateX(4px);color:var(--primary)}
    .recommend{padding:1.25rem}
    .recommend h3{font-size:1.18rem;margin:0 0 1rem}
    .recommend-card{
      padding:1rem;
      border-radius:18px;
      background:rgba(34,211,238,.08);
      border:1px solid rgba(34,211,238,.18);
      margin-bottom:.8rem;
    }
    .recommend-card b{display:block;color:#fff}
    .recommend-card span{display:block;color:var(--muted);font-size:.92rem;margin-top:.2rem}
    .result-grid{
      display:grid;
      grid-template-columns:.9fr 1.1fr;
      gap:1.15rem;
      margin-top:2rem;
      align-items:stretch;
    }
    .score-card{padding:1.5rem}
    .score-ring{
      width:170px;height:170px;border-radius:50%;
      display:grid;place-items:center;
      margin:1.3rem auto;
      background:
        radial-gradient(circle at center,#09172e 0 56%,transparent 57%),
        conic-gradient(var(--success) 0 78%,rgba(255,255,255,.12) 78% 100%);
      box-shadow:0 0 34px rgba(52,211,153,.16);
    }
    .score-ring b{font-size:2.8rem;letter-spacing:-.06em}
    .check-list{list-style:none;padding:0;margin:0}
    .check-list li{
      display:flex;gap:.7rem;
      padding:.82rem 0;
      color:var(--muted);
      border-bottom:1px solid rgba(255,255,255,.08);
    }
    .check-list li:last-child{border-bottom:0}
    .check-list i{color:var(--success)}
    .faq-wrap{
      margin-top:2rem;
      display:grid;
      grid-template-columns:.85fr 1.15fr;
      gap:1.15rem;
      align-items:start;
    }
    .faq-aside{padding:1.4rem;position:sticky;top:100px}
    .accordion{--bs-accordion-bg:transparent;--bs-accordion-border-color:rgba(255,255,255,.12)}
    .accordion-item{
      margin-bottom:.85rem;
      border:1px solid rgba(255,255,255,.12)!important;
      border-radius:18px!important;
      overflow:hidden;
      background:rgba(255,255,255,.06)!important;
      color:var(--text);
    }
    .accordion-button{
      background:transparent!important;
      color:#fff!important;
      box-shadow:none!important;
      font-weight:900;
      padding:1.05rem 1.15rem;
    }
    .accordion-button::after{filter:invert(1);opacity:.7}
    .accordion-body{
      color:var(--muted);
      padding:0 1.15rem 1.15rem;
    }
    .join{
      padding-bottom:110px;
    }
    .join-panel{
      position:relative;
      overflow:hidden;
      border-radius:34px;
      border:1px solid rgba(34,211,238,.28);
      background:
        radial-gradient(circle at 15% 18%, rgba(34,211,238,.22), transparent 34%),
        radial-gradient(circle at 82% 16%, rgba(139,92,246,.24), transparent 32%),
        linear-gradient(180deg,rgba(14,36,71,.86),rgba(7,17,34,.78));
      box-shadow:var(--shadow);
      padding:2rem;
    }
    .join-panel::before{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(120deg,transparent,rgba(255,255,255,.08),transparent);
      transform:translateX(-70%);
      animation:sheen 7s ease-in-out infinite;
      pointer-events:none;
    }
    @keyframes sheen{0%,45%{transform:translateX(-80%)}70%,100%{transform:translateX(80%)}}
    .join-grid{
      position:relative;
      display:grid;
      grid-template-columns:.95fr 1.05fr;
      gap:1.4rem;
      align-items:start;
    }
    .entry-matrix{
      display:grid;
      grid-template-columns:repeat(2,minmax(0,1fr));
      gap:.85rem;
      margin-top:1.4rem;
    }
    .entry-btn{
      padding:1rem;
      border-radius:18px;
      border:1px solid rgba(255,255,255,.13);
      background:rgba(255,255,255,.065);
      display:flex;
      gap:.75rem;
      align-items:center;
    }
    .entry-btn:hover{transform:translateY(-3px);background:rgba(34,211,238,.1);border-color:rgba(34,211,238,.25)}
    .entry-btn i{color:var(--primary);font-size:1.2rem}
    .entry-btn span{font-weight:850;color:#fff}
    .form-card{
      padding:1.35rem;
      border-radius:26px;
      background:rgba(3,12,30,.42);
      border:1px solid rgba(255,255,255,.13);
    }
    .form-label{color:#dbeafe;font-weight:850;margin-bottom:.4rem}
    .form-control,.form-select{
      color:#fff;
      background:rgba(255,255,255,.07);
      border:1px solid rgba(255,255,255,.14);
      border-radius:14px;
      padding:.85rem .95rem;
    }
    .form-control::placeholder{color:rgba(219,234,254,.48)}
    .form-control:focus,.form-select:focus{
      color:#fff;
      background:rgba(255,255,255,.09);
      border-color:rgba(34,211,238,.5);
      box-shadow:0 0 0 .25rem rgba(34,211,238,.12);
    }
    .form-select option{color:#071122}
    .form-hint{font-size:.86rem;color:var(--muted);margin-top:.8rem}
    .toast-note{
      display:none;
      margin-top:1rem;
      padding:.9rem 1rem;
      border-radius:16px;
      color:#d1fae5;
      border:1px solid rgba(52,211,153,.28);
      background:rgba(52,211,153,.1);
    }
    .site-footer{
      border-top:1px solid var(--border);
      background:rgba(3,9,20,.78);
      padding:54px 0 28px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.2fr .8fr .8fr;
      gap:2rem;
      margin-bottom:2rem;
    }
    .footer-brand{
      display:flex;align-items:center;gap:.75rem;margin-bottom:1rem;
      font-weight:950;font-size:1.12rem;
    }
    .footer-desc{color:var(--muted);max-width:520px;margin:0}
    .footer-title{font-size:1rem;font-weight:950;margin:0 0 .8rem;color:#fff}
    .footer-links{list-style:none;padding:0;margin:0;display:grid;gap:.55rem}
    .footer-links a{color:var(--muted)}
    .footer-links a:hover{color:var(--primary);padding-left:.2rem}
    .copyright{
      padding-top:1.35rem;
      border-top:1px solid rgba(255,255,255,.1);
      display:flex;
      justify-content:space-between;
      gap:1rem;
      color:rgba(169,187,214,.82);
      font-size:.92rem;
      flex-wrap:wrap;
    }
    .floating-cta{
      position:fixed;
      left:50%;
      bottom:18px;
      transform:translateX(-50%);
      z-index:990;
      width:min(920px,calc(100% - 28px));
      border:1px solid rgba(34,211,238,.26);
      border-radius:999px;
      background:rgba(6,15,32,.78);
      backdrop-filter:blur(18px);
      box-shadow:0 16px 46px rgba(0,0,0,.32);
      padding:.58rem .7rem .58rem 1rem;
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:1rem;
    }
    .floating-cta span{color:#dbeafe;font-weight:850;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
    @media (max-width: 1199.98px){
      .hero-kv{grid-template-columns:1fr}
      .countdown-panel{max-width:560px}
      .metric-board,.material-layout,.news-layout,.result-grid,.faq-wrap,.join-grid{grid-template-columns:1fr}
      .faq-aside{position:relative;top:auto}
    }
    @media (max-width: 991.98px){
      .navbar-collapse{
        margin-top:.9rem;
        padding:1rem;
        border:1px solid var(--border);
        border-radius:22px;
        background:rgba(7,17,34,.95);
        box-shadow:var(--shadow-soft);
      }
      .navbar-nav{border-radius:18px;align-items:stretch}
      .nav-actions{margin-top:1rem;flex-wrap:wrap}
      .hero{min-height:auto}
      .hero-content{padding:58px 0 72px}
      .metric-main,.tier-wrap,.hot-strip,.showcase-grid,.compare-row,.entry-matrix{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width: 767.98px){
      :root{--nav-h:70px}
      .section{padding:72px 0}
      .section-tight{padding:56px 0}
      .hero h1{font-size:clamp(2.35rem,13vw,4.4rem)}
      .hero-points{grid-template-columns:1fr}
      .time-grid{grid-template-columns:repeat(2,1fr)}
      .news-link{grid-template-columns:1fr auto;gap:.5rem}
      .news-date{grid-column:1/-1}
      .footer-grid{grid-template-columns:1fr}
      .copyright{display:block}
      .floating-cta{border-radius:22px;align-items:stretch;flex-direction:column;padding:.85rem}
      .floating-cta .btn{width:100%}
    }
    @media (max-width: 520px){
      .navbar-brand{margin-right:0}
      .brand-text small{display:none}
      .hero-actions .btn{width:100%;justify-content:center}
      .countdown-panel,.join-panel{border-radius:24px;padding:1rem}
      .metric-item,.tier-card,.news-list,.recommend,.score-card,.faq-aside,.form-card{padding:1rem}
      .section-title{letter-spacing:-.045em}
    }

/* 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}