/* roulang page: index */
:root{
      --bg:#0b1020;
      --bg-2:#111936;
      --surface:#151f3d;
      --surface-2:#1b274a;
      --card:#101a33;
      --card-soft:rgba(255,255,255,.075);
      --primary:#7c5cff;
      --primary-2:#22d3ee;
      --accent:#ffb454;
      --danger:#ff6575;
      --success:#43e097;
      --text:#f6f8ff;
      --muted:#aeb9d8;
      --weak:#7e8aaf;
      --border:rgba(255,255,255,.14);
      --border-strong:rgba(255,255,255,.24);
      --shadow:0 24px 80px rgba(0,0,0,.32);
      --shadow-soft:0 14px 38px rgba(0,0,0,.22);
      --radius-xl:30px;
      --radius-lg:22px;
      --radius-md:16px;
      --radius-sm:12px;
      --nav-h:76px;
      --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);
      line-height:1.72;
      background:
        radial-gradient(circle at 16% 4%, rgba(124,92,255,.35), transparent 30%),
        radial-gradient(circle at 86% 2%, rgba(34,211,238,.22), transparent 28%),
        linear-gradient(180deg,#081020 0%,#0b1020 42%,#090d19 100%);
      overflow-x:hidden;
      padding-bottom:86px;
    }
    a{color:inherit;text-decoration:none;transition:var(--ease)}
    a:hover{color:#fff}
    img{max-width:100%;height:auto;display:block}
    button,input,textarea{font:inherit}
    button{border:0}
    ::selection{background:rgba(124,92,255,.55);color:#fff}
    :focus-visible{
      outline:3px solid rgba(34,211,238,.55);
      outline-offset:3px;
      border-radius:10px;
    }

    .container{
      width:min(1160px, calc(100% - 32px));
      max-width:1160px;
    }
    .section-pad{padding:84px 0}
    .section-tight{padding:54px 0}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 12px;
      border:1px solid var(--border);
      border-radius:999px;
      color:#dfe6ff;
      background:rgba(255,255,255,.07);
      font-size:13px;
      font-weight:700;
      letter-spacing:.02em;
    }
    .eyebrow .dot{
      width:8px;height:8px;border-radius:50%;
      background:var(--success);
      box-shadow:0 0 0 6px rgba(67,224,151,.12);
    }
    .section-head{
      display:flex;
      justify-content:space-between;
      align-items:flex-end;
      gap:26px;
      margin-bottom:30px;
    }
    .section-head h2{
      margin:14px 0 0;
      font-size:clamp(28px,3vw,42px);
      line-height:1.16;
      letter-spacing:-.04em;
      font-weight:900;
    }
    .section-head p{
      max-width:560px;
      margin:0;
      color:var(--muted);
      font-size:16px;
    }

    .site-header{
      position:sticky;
      top:0;
      z-index:1020;
      backdrop-filter:blur(18px);
      background:linear-gradient(180deg,rgba(9,14,29,.88),rgba(9,14,29,.66));
      border-bottom:1px solid rgba(255,255,255,.10);
    }
    .navbar{
      min-height:var(--nav-h);
      padding:12px 0;
    }
    .navbar-brand{
      display:flex;
      align-items:center;
      gap:12px;
      color:#fff!important;
      font-weight:950;
      letter-spacing:-.04em;
      font-size:20px;
      max-width:390px;
      white-space:normal;
      line-height:1.15;
    }
    .brand-mark{
      width:44px;height:44px;
      flex:0 0 44px;
      display:grid;
      place-items:center;
      border-radius:16px;
      color:#fff;
      background:
        linear-gradient(135deg,rgba(124,92,255,1),rgba(34,211,238,1));
      box-shadow:0 12px 26px rgba(34,211,238,.18);
      font-weight:950;
      font-size:15px;
    }
    .navbar-toggler{
      border:1px solid var(--border);
      border-radius:14px;
      padding:10px 12px;
      color:#fff;
      background:rgba(255,255,255,.06);
    }
    .navbar-toggler:focus{box-shadow:0 0 0 4px rgba(34,211,238,.15)}
    .menu-line{
      display:block;
      width:22px;
      height:2px;
      background:#fff;
      margin:4px 0;
      border-radius:99px;
    }
    .navbar-nav{
      align-items:center;
      gap:8px;
    }
    .nav-link{
      color:var(--muted)!important;
      padding:10px 14px!important;
      border-radius:999px;
      font-weight:800;
    }
    .nav-link:hover,
    .nav-link.active{
      color:#fff!important;
      background:rgba(255,255,255,.08);
    }
    .nav-status{
      display:inline-flex;
      align-items:center;
      gap:8px;
      margin-left:10px;
      padding:9px 13px;
      border:1px solid rgba(255,180,84,.32);
      border-radius:999px;
      color:#ffe2b8;
      background:rgba(255,180,84,.11);
      font-size:13px;
      font-weight:850;
      white-space:nowrap;
    }
    .nav-cta{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      padding:10px 16px;
      border-radius:999px;
      color:#06101f!important;
      background:linear-gradient(135deg,#fff,#9ff4ff);
      font-weight:950;
      box-shadow:0 12px 30px rgba(34,211,238,.16);
    }
    .nav-cta:hover{
      transform:translateY(-2px);
      box-shadow:0 18px 38px rgba(34,211,238,.22);
    }

    .btn-brand,
    .btn-ghost,
    .btn-warm{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:10px;
      min-height:48px;
      padding:13px 20px;
      border-radius:999px;
      font-weight:950;
      transition:var(--ease);
      white-space:nowrap;
    }
    .btn-brand{
      color:#07101d!important;
      background:linear-gradient(135deg,#fff 0%,#a9f7ff 45%,#b8a9ff 100%);
      box-shadow:0 18px 44px rgba(34,211,238,.18);
    }
    .btn-brand:hover{transform:translateY(-3px);box-shadow:0 24px 54px rgba(124,92,255,.28)}
    .btn-ghost{
      color:#fff!important;
      background:rgba(255,255,255,.08);
      border:1px solid var(--border);
    }
    .btn-ghost:hover{background:rgba(255,255,255,.13);border-color:var(--border-strong);transform:translateY(-2px)}
    .btn-warm{
      color:#1b1000!important;
      background:linear-gradient(135deg,#ffd28a,#ff9f6e);
      box-shadow:0 18px 44px rgba(255,180,84,.18);
    }
    .btn-warm:hover{transform:translateY(-3px);box-shadow:0 22px 50px rgba(255,180,84,.25)}

    .hero{
      position:relative;
      padding:58px 0 74px;
      overflow:hidden;
    }
    .hero:before{
      content:"";
      position:absolute;
      inset:18px auto auto 50%;
      width:min(920px,90vw);
      height:420px;
      transform:translateX(-50%);
      background:linear-gradient(135deg,rgba(124,92,255,.20),rgba(34,211,238,.11));
      filter:blur(10px);
      border-radius:80px;
      z-index:-1;
    }
    .hero-panel{
      border:1px solid var(--border);
      border-radius:var(--radius-xl);
      background:
        linear-gradient(145deg,rgba(255,255,255,.11),rgba(255,255,255,.045)),
        radial-gradient(circle at 8% 0%,rgba(124,92,255,.26),transparent 36%),
        radial-gradient(circle at 92% 8%,rgba(34,211,238,.18),transparent 34%);
      box-shadow:var(--shadow);
      padding:28px;
      overflow:hidden;
    }
    .hero-statusbar{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      flex-wrap:wrap;
      padding:12px 14px;
      border:1px solid rgba(255,255,255,.12);
      border-radius:18px;
      background:rgba(4,9,20,.34);
      margin-bottom:26px;
    }
    .status-pills{
      display:flex;
      gap:8px;
      flex-wrap:wrap;
    }
    .status-pill{
      padding:6px 10px;
      border-radius:999px;
      background:rgba(255,255,255,.08);
      color:#dfe6ff;
      font-size:13px;
      font-weight:800;
    }
    .status-pill.good{background:rgba(67,224,151,.13);color:#bdffdd}
    .status-pill.hot{background:rgba(255,180,84,.15);color:#ffe0ad}
    .hero-title-wrap{
      text-align:center;
      max-width:920px;
      margin:0 auto;
    }
    h1{
      font-size:clamp(36px,6vw,72px);
      line-height:1.05;
      letter-spacing:-.065em;
      font-weight:950;
      margin:18px 0 18px;
    }
    .hero-lead{
      max-width:820px;
      margin:0 auto;
      color:#d8e1ff;
      font-size:clamp(16px,2vw,19px);
    }
    .hero-actions{
      display:flex;
      justify-content:center;
      flex-wrap:wrap;
      gap:12px;
      margin-top:28px;
    }
    .icon-matrix{
      display:grid;
      grid-template-columns:repeat(8,1fr);
      gap:12px;
      margin-top:34px;
    }
    .matrix-item{
      min-height:116px;
      padding:16px 12px;
      border-radius:22px;
      border:1px solid rgba(255,255,255,.12);
      background:linear-gradient(180deg,rgba(255,255,255,.105),rgba(255,255,255,.045));
      display:flex;
      flex-direction:column;
      align-items:center;
      justify-content:center;
      text-align:center;
      transition:var(--ease);
    }
    .matrix-item:hover{
      transform:translateY(-5px);
      background:linear-gradient(180deg,rgba(255,255,255,.16),rgba(255,255,255,.06));
      border-color:rgba(34,211,238,.32);
    }
    .matrix-icon{
      width:42px;height:42px;
      display:grid;
      place-items:center;
      border-radius:16px;
      margin-bottom:10px;
      background:rgba(34,211,238,.12);
      font-size:21px;
    }
    .matrix-item strong{
      display:block;
      font-size:14px;
      line-height:1.3;
    }
    .hero-metrics{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:12px;
      margin-top:18px;
    }
    .metric{
      padding:14px;
      border-radius:18px;
      background:rgba(3,9,22,.32);
      border:1px solid rgba(255,255,255,.10);
      text-align:center;
    }
    .metric b{
      display:block;
      font-size:24px;
      line-height:1.1;
      color:#fff;
      letter-spacing:-.04em;
    }
    .metric span{
      display:block;
      margin-top:4px;
      color:var(--muted);
      font-size:13px;
      font-weight:750;
    }

    .glass-card{
      border:1px solid var(--border);
      border-radius:var(--radius-lg);
      background:linear-gradient(180deg,rgba(255,255,255,.09),rgba(255,255,255,.045));
      box-shadow:var(--shadow-soft);
      overflow:hidden;
    }
    .progress-card{
      padding:24px;
      height:100%;
    }
    .progress-card h3{
      font-size:21px;
      font-weight:950;
      margin:0 0 10px;
      letter-spacing:-.03em;
    }
    .progress-card p{color:var(--muted);margin:0 0 16px}
    .progress{
      height:12px;
      border-radius:999px;
      background:rgba(255,255,255,.09);
      overflow:visible;
    }
    .progress-bar{
      border-radius:999px;
      background:linear-gradient(90deg,var(--primary),var(--primary-2));
      box-shadow:0 0 20px rgba(34,211,238,.26);
    }
    .progress-note{
      display:flex;
      justify-content:space-between;
      margin-top:10px;
      color:#dfe6ff;
      font-size:13px;
      font-weight:850;
    }
    .update-board{
      padding:8px;
    }
    .update-row{
      display:grid;
      grid-template-columns:1.1fr .8fr .9fr;
      gap:12px;
      align-items:center;
      padding:14px 16px;
      border-radius:16px;
      color:#dbe4ff;
    }
    .update-row:not(:last-child){border-bottom:1px solid rgba(255,255,255,.08)}
    .update-row.header{
      color:#8fa0cb;
      font-size:13px;
      font-weight:900;
    }
    .update-row:hover:not(.header){
      background:rgba(255,255,255,.06);
    }
    .state{
      display:inline-flex;
      width:max-content;
      padding:5px 9px;
      border-radius:999px;
      background:rgba(67,224,151,.13);
      color:#c7ffdf;
      font-size:12px;
      font-weight:900;
    }
    .state.pending{background:rgba(255,180,84,.14);color:#ffe0b1}
    .state.safe{background:rgba(34,211,238,.12);color:#bbf7ff}

    .tier-grid{
      display:grid;
      grid-template-columns:1fr 1.12fr 1fr;
      gap:18px;
      align-items:stretch;
    }
    .tier-card{
      position:relative;
      padding:24px;
      border-radius:var(--radius-lg);
      background:linear-gradient(180deg,rgba(255,255,255,.09),rgba(255,255,255,.04));
      border:1px solid var(--border);
      transition:var(--ease);
      min-height:318px;
    }
    .tier-card.featured{
      background:
        radial-gradient(circle at 80% 0%,rgba(255,180,84,.20),transparent 34%),
        linear-gradient(180deg,rgba(124,92,255,.22),rgba(255,255,255,.055));
      border-color:rgba(255,180,84,.34);
      transform:translateY(-8px);
    }
    .tier-card:hover{
      transform:translateY(-8px);
      border-color:rgba(34,211,238,.32);
      box-shadow:0 22px 50px rgba(0,0,0,.25);
    }
    .tier-card.featured:hover{transform:translateY(-12px)}
    .tier-badge{
      display:inline-flex;
      padding:6px 10px;
      border-radius:999px;
      background:rgba(124,92,255,.18);
      color:#ded6ff;
      font-size:13px;
      font-weight:950;
      margin-bottom:14px;
    }
    .tier-card h3{
      font-size:24px;
      font-weight:950;
      letter-spacing:-.04em;
      margin:0 0 8px;
    }
    .tier-card p{color:var(--muted);margin-bottom:18px}
    .tier-list{
      list-style:none;
      padding:0;margin:0 0 20px;
      display:grid;
      gap:10px;
    }
    .tier-list li{
      display:flex;
      gap:9px;
      color:#e9eeff;
      font-size:15px;
    }
    .tier-list li:before{
      content:"✓";
      width:21px;height:21px;
      flex:0 0 21px;
      display:grid;
      place-items:center;
      border-radius:50%;
      color:#062014;
      background:var(--success);
      font-size:12px;
      font-weight:950;
      margin-top:2px;
    }
    .group-progress{
      margin:18px 0;
      padding:14px;
      border-radius:18px;
      background:rgba(4,9,20,.28);
      border:1px solid rgba(255,255,255,.10);
    }
    .group-progress strong{
      display:flex;
      justify-content:space-between;
      font-size:14px;
      margin-bottom:9px;
    }

    .wall-grid{
      display:grid;
      grid-template-columns:1.2fr .8fr;
      gap:18px;
      align-items:stretch;
    }
    .quote-cloud{
      display:grid;
      grid-template-columns:repeat(2,1fr);
      gap:14px;
      padding:18px;
    }
    .quote{
      padding:18px;
      border-radius:20px;
      background:rgba(255,255,255,.07);
      border:1px solid rgba(255,255,255,.10);
    }
    .quote p{
      margin:0 0 14px;
      color:#eef3ff;
      font-size:15px;
    }
    .quote span{
      color:var(--weak);
      font-size:13px;
      font-weight:800;
    }
    .proof-panel{
      padding:24px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      background:
        radial-gradient(circle at 20% 16%,rgba(34,211,238,.18),transparent 36%),
        linear-gradient(180deg,rgba(255,255,255,.08),rgba(255,255,255,.045));
    }
    .proof-number{
      font-size:clamp(42px,6vw,72px);
      line-height:1;
      font-weight:950;
      letter-spacing:-.06em;
      color:#fff;
    }
    .proof-panel p{color:var(--muted);margin:14px 0 0}
    .badge-row{
      display:flex;
      flex-wrap:wrap;
      gap:9px;
      margin-top:26px;
    }
    .data-badge{
      padding:8px 11px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.12);
      background:rgba(255,255,255,.07);
      color:#eaf0ff;
      font-size:13px;
      font-weight:850;
    }

    .news-layout{
      display:grid;
      grid-template-columns:minmax(0,1.35fr) minmax(280px,.65fr);
      gap:20px;
      align-items:start;
    }
    .news-list{
      padding:10px;
    }
    .news-link{
      display:grid;
      grid-template-columns:110px 1fr auto;
      gap:14px;
      align-items:center;
      padding:16px;
      border-radius:18px;
      border:1px solid transparent;
    }
    .news-link:hover{
      background:rgba(255,255,255,.06);
      border-color:rgba(255,255,255,.12);
      transform:translateX(4px);
    }
    .news-date{
      color:#9fb1df;
      font-weight:900;
      font-size:13px;
    }
    .news-link strong{
      color:#fff;
      font-size:17px;
      line-height:1.45;
    }
    .news-link small{
      color:var(--weak);
      display:block;
      margin-top:4px;
      font-size:13px;
    }
    .arrow{
      width:34px;height:34px;
      display:grid;
      place-items:center;
      border-radius:50%;
      background:rgba(255,255,255,.08);
      color:#dfe6ff;
      font-weight:950;
    }
    .recommend-box{
      padding:22px;
      position:sticky;
      top:96px;
    }
    .recommend-box h3{
      font-size:21px;
      font-weight:950;
      margin-bottom:12px;
    }
    .mini-list{
      list-style:none;
      padding:0;margin:0;
      display:grid;
      gap:10px;
    }
    .mini-list a{
      display:flex;
      justify-content:space-between;
      gap:12px;
      padding:12px;
      border-radius:15px;
      color:#dce5ff;
      background:rgba(255,255,255,.055);
      font-weight:800;
    }
    .mini-list a:hover{
      background:rgba(34,211,238,.10);
      color:#fff;
    }

    .related-track{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:16px;
    }
    .related-card{
      min-height:210px;
      padding:22px;
      border-radius:var(--radius-lg);
      border:1px solid var(--border);
      background:
        linear-gradient(180deg,rgba(255,255,255,.085),rgba(255,255,255,.04));
      transition:var(--ease);
      display:flex;
      flex-direction:column;
      justify-content:space-between;
    }
    .related-card:hover{
      transform:translateY(-7px);
      border-color:rgba(124,92,255,.38);
      box-shadow:0 20px 46px rgba(0,0,0,.25);
    }
    .related-icon{
      width:46px;height:46px;
      border-radius:17px;
      display:grid;
      place-items:center;
      background:linear-gradient(135deg,rgba(124,92,255,.24),rgba(34,211,238,.16));
      font-size:22px;
      margin-bottom:16px;
    }
    .related-card h3{
      font-size:19px;
      font-weight:950;
      letter-spacing:-.03em;
      margin-bottom:8px;
    }
    .related-card p{
      color:var(--muted);
      margin:0;
      font-size:14px;
    }

    .faq-wrap{
      display:grid;
      grid-template-columns:.82fr 1.18fr;
      gap:22px;
    }
    .faq-aside{
      padding:26px;
      border-radius:var(--radius-lg);
      background:
        radial-gradient(circle at 20% 0%,rgba(255,180,84,.20),transparent 34%),
        linear-gradient(180deg,rgba(255,255,255,.08),rgba(255,255,255,.04));
      border:1px solid var(--border);
    }
    .faq-aside h2{
      font-size:36px;
      line-height:1.12;
      font-weight:950;
      letter-spacing:-.05em;
      margin:12px 0;
    }
    .faq-aside p{color:var(--muted);margin:0}
    .accordion{
      --bs-accordion-bg:transparent;
      --bs-accordion-border-color:rgba(255,255,255,.12);
      --bs-accordion-btn-focus-box-shadow:0 0 0 4px rgba(34,211,238,.12);
      display:grid;
      gap:12px;
    }
    .accordion-item{
      color:#fff;
      border:1px solid var(--border)!important;
      border-radius:18px!important;
      overflow:hidden;
      background:rgba(255,255,255,.055);
    }
    .accordion-button{
      color:#fff;
      background:rgba(255,255,255,.045);
      font-weight:950;
      padding:18px 20px;
    }
    .accordion-button:not(.collapsed){
      color:#fff;
      background:rgba(124,92,255,.17);
      box-shadow:none;
    }
    .accordion-button:after{
      filter:invert(1) grayscale(1);
    }
    .accordion-body{
      color:var(--muted);
      padding:18px 20px 20px;
      border-top:1px solid rgba(255,255,255,.08);
    }

    .support-section{
      padding:76px 0 92px;
    }
    .support-panel{
      position:relative;
      overflow:hidden;
      padding:34px;
      border-radius:34px;
      border:1px solid rgba(255,255,255,.16);
      background:
        radial-gradient(circle at 10% 14%,rgba(124,92,255,.30),transparent 32%),
        radial-gradient(circle at 92% 22%,rgba(34,211,238,.20),transparent 32%),
        linear-gradient(135deg,rgba(255,255,255,.12),rgba(255,255,255,.055));
      box-shadow:var(--shadow);
    }
    .support-panel:after{
      content:"";
      position:absolute;
      right:-90px;
      bottom:-120px;
      width:320px;height:320px;
      border-radius:50%;
      background:rgba(255,180,84,.12);
      filter:blur(4px);
    }
    .support-grid{
      position:relative;
      z-index:1;
      display:grid;
      grid-template-columns:1fr .78fr;
      gap:28px;
      align-items:center;
    }
    .support-panel h2{
      font-size:clamp(32px,4vw,54px);
      line-height:1.08;
      letter-spacing:-.06em;
      font-weight:950;
      margin:14px 0 14px;
    }
    .support-panel p{
      color:#dbe4ff;
      margin:0;
      max-width:680px;
    }
    .countdown-strip{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      flex-wrap:wrap;
      margin-top:22px;
      padding:14px 16px;
      border-radius:20px;
      background:rgba(3,9,22,.34);
      border:1px solid rgba(255,255,255,.12);
    }
    .timer{
      display:flex;
      gap:8px;
      align-items:center;
      font-weight:950;
      color:#fff;
    }
    .timer span{
      min-width:44px;
      padding:7px 8px;
      border-radius:12px;
      background:rgba(255,255,255,.09);
      text-align:center;
    }
    .support-form{
      padding:22px;
      border-radius:24px;
      background:rgba(3,9,22,.38);
      border:1px solid rgba(255,255,255,.13);
    }
    .support-form label{
      color:#dfe6ff;
      font-weight:900;
      margin-bottom:8px;
    }
    .form-control{
      min-height:50px;
      border-radius:16px;
      border:1px solid rgba(255,255,255,.14);
      background:rgba(255,255,255,.08);
      color:#fff;
      padding:12px 14px;
    }
    .form-control::placeholder{color:#8592bb}
    .form-control:focus{
      color:#fff;
      background:rgba(255,255,255,.10);
      border-color:rgba(34,211,238,.48);
      box-shadow:0 0 0 4px rgba(34,211,238,.12);
    }
    .form-tip{
      color:var(--weak);
      font-size:13px;
      margin-top:10px;
    }
    .form-message{
      display:none;
      margin-top:12px;
      padding:10px 12px;
      border-radius:14px;
      background:rgba(67,224,151,.12);
      color:#caffdf;
      font-weight:850;
    }

    .site-footer{
      border-top:1px solid rgba(255,255,255,.10);
      background:linear-gradient(180deg,rgba(9,13,25,.65),rgba(6,9,18,.96));
      padding:42px 0 34px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1fr auto;
      gap:24px;
      align-items:start;
    }
    .footer-brand{
      display:flex;
      gap:12px;
      align-items:center;
      margin-bottom:14px;
      font-weight:950;
      font-size:19px;
      letter-spacing:-.03em;
    }
    .footer-text{
      color:var(--muted);
      max-width:720px;
      margin:0;
    }
    .footer-links{
      display:flex;
      gap:10px;
      flex-wrap:wrap;
      justify-content:flex-end;
    }
    .footer-links a{
      padding:9px 12px;
      border-radius:999px;
      color:var(--muted);
      background:rgba(255,255,255,.055);
      font-weight:800;
      font-size:14px;
    }
    .footer-links a:hover{color:#fff;background:rgba(255,255,255,.10)}
    .copyright{
      margin-top:26px;
      padding-top:20px;
      border-top:1px solid rgba(255,255,255,.08);
      color:#7f8daf;
      font-size:13px;
      display:flex;
      justify-content:space-between;
      gap:12px;
      flex-wrap:wrap;
    }

    .fixed-cta{
      position:fixed;
      left:50%;
      bottom:16px;
      transform:translateX(-50%);
      z-index:1030;
      width:min(980px,calc(100% - 28px));
      padding:10px;
      border-radius:24px;
      border:1px solid rgba(255,255,255,.18);
      background:rgba(9,14,29,.86);
      backdrop-filter:blur(18px);
      box-shadow:0 22px 70px rgba(0,0,0,.35);
    }
    .fixed-cta-inner{
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:14px;
    }
    .fixed-cta-text{
      display:flex;
      align-items:center;
      gap:10px;
      color:#e8eeff;
      font-weight:900;
      padding-left:8px;
    }
    .fixed-cta-text span{
      color:#aeb9d8;
      font-size:13px;
      font-weight:750;
    }
    .pulse{
      width:10px;height:10px;border-radius:50%;
      background:var(--success);
      box-shadow:0 0 0 8px rgba(67,224,151,.13);
      flex:0 0 10px;
    }

    @media (max-width: 1024px){
      .icon-matrix{grid-template-columns:repeat(4,1fr)}
      .tier-grid{grid-template-columns:1fr}
      .tier-card.featured{transform:none}
      .wall-grid,.news-layout,.faq-wrap,.support-grid{grid-template-columns:1fr}
      .recommend-box{position:static}
      .related-track{grid-template-columns:repeat(2,1fr)}
    }
    @media (max-width: 768px){
      body{padding-bottom:104px}
      .navbar-collapse{
        padding:14px;
        margin-top:12px;
        border:1px solid var(--border);
        border-radius:22px;
        background:rgba(9,14,29,.96);
      }
      .navbar-nav{align-items:stretch}
      .nav-status,.nav-cta{margin-left:0;justify-content:center}
      .section-pad{padding:62px 0}
      .section-head{display:block}
      .section-head p{margin-top:12px}
      .hero{padding-top:34px}
      .hero-panel{padding:18px;border-radius:24px}
      .hero-statusbar{align-items:flex-start}
      .icon-matrix{grid-template-columns:repeat(2,1fr)}
      .hero-metrics{grid-template-columns:1fr}
      .update-row{grid-template-columns:1fr;gap:4px}
      .quote-cloud{grid-template-columns:1fr}
      .news-link{grid-template-columns:1fr auto;gap:8px}
      .news-date{grid-column:1 / -1}
      .related-track{grid-template-columns:1fr}
      .support-panel{padding:24px;border-radius:26px}
      .footer-grid{grid-template-columns:1fr}
      .footer-links{justify-content:flex-start}
      .fixed-cta-inner{align-items:stretch}
      .fixed-cta-text{font-size:14px;line-height:1.35}
      .fixed-cta-text span{display:none}
      .fixed-cta .btn-warm{min-height:44px;padding:10px 14px}
    }
    @media (max-width: 520px){
      .container{width:min(100% - 22px,1160px)}
      .navbar-brand{font-size:17px;max-width:270px}
      .brand-mark{width:40px;height:40px;border-radius:14px}
      h1{font-size:36px}
      .hero-actions{display:grid;grid-template-columns:1fr}
      .btn-brand,.btn-ghost,.btn-warm{width:100%}
      .matrix-item{min-height:104px}
      .section-head h2{font-size:30px}
      .countdown-strip{display:grid}
      .timer span{min-width:39px}
      .fixed-cta{bottom:10px;border-radius:20px}
    }

/* 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}