/* roulang page: index */
:root{
      --bg:#07111f;
      --bg-soft:#0b1b32;
      --bg-panel:rgba(14,34,63,.68);
      --bg-card:rgba(255,255,255,.08);
      --primary:#2fe6ff;
      --primary-2:#7c5cff;
      --accent:#ffcf5a;
      --danger:#ff6b8a;
      --success:#67f0b8;
      --text:#eef7ff;
      --text-soft:#b6c8dd;
      --muted:#7f93aa;
      --line:rgba(255,255,255,.14);
      --line-strong:rgba(47,230,255,.35);
      --shadow:0 22px 70px rgba(0,0,0,.38);
      --shadow-glow:0 0 38px rgba(47,230,255,.22);
      --radius-xl:28px;
      --radius-lg:22px;
      --radius-md:16px;
      --radius-sm:12px;
      --container:1180px;
      --nav-h:76px;
      --ease:.22s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:"PingFang SC","Microsoft YaHei",system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
      color:var(--text);
      line-height:1.7;
      background:
        radial-gradient(circle at 8% 2%, rgba(47,230,255,.20), transparent 31%),
        radial-gradient(circle at 88% 10%, rgba(124,92,255,.22), transparent 30%),
        linear-gradient(180deg,#06101f 0%,#08162d 42%,#07111f 100%);
      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:42px 42px;
      mask-image:linear-gradient(180deg,rgba(0,0,0,.75),transparent 82%);
      z-index:-1;
    }
    a{color:inherit;text-decoration:none;transition:color var(--ease),background var(--ease),opacity var(--ease),transform var(--ease)}
    a:hover{color:var(--primary)}
    img{max-width:100%;height:auto;display:block}
    button,input,textarea,select{font:inherit}
    ::selection{background:rgba(47,230,255,.28);color:#fff}
    .container{max-width:var(--container)}
    .section{
      padding:92px 0;
      position:relative;
    }
    .section-tight{padding:64px 0}
    .section-kicker{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 12px;
      border:1px solid var(--line);
      border-radius:999px;
      background:rgba(255,255,255,.06);
      color:var(--primary);
      font-size:14px;
      font-weight:700;
      letter-spacing:.02em;
      margin-bottom:16px;
    }
    .section-title{
      font-size:clamp(28px,3vw,44px);
      line-height:1.18;
      letter-spacing:-.04em;
      margin:0 0 14px;
      font-weight:850;
    }
    .section-desc{
      color:var(--text-soft);
      font-size:17px;
      max-width:760px;
      margin:0;
    }
    .navbar-wrap{
      position:sticky;
      top:0;
      z-index:1030;
      background:linear-gradient(100deg,rgba(4,15,31,.94),rgba(13,46,88,.94) 48%,rgba(52,35,110,.94));
      border-bottom:1px solid rgba(255,255,255,.13);
      box-shadow:0 10px 36px rgba(0,0,0,.22);
      backdrop-filter:blur(16px);
    }
    .navbar{
      min-height:var(--nav-h);
      padding:12px 0;
    }
    .navbar-brand{
      display:flex;
      align-items:center;
      gap:12px;
      color:#fff!important;
      font-weight:900;
      letter-spacing:-.04em;
      max-width:560px;
      white-space:normal;
      line-height:1.18;
      font-size:18px;
    }
    .brand-mark{
      width:42px;height:42px;
      flex:0 0 42px;
      display:grid;
      place-items:center;
      border-radius:15px;
      background:
        radial-gradient(circle at 25% 20%, #fff 0 3px, transparent 4px),
        linear-gradient(135deg,var(--primary),var(--primary-2));
      color:#06111f;
      box-shadow:0 0 26px rgba(47,230,255,.38);
    }
    .navbar-toggler{
      border:1px solid rgba(255,255,255,.26);
      border-radius:14px;
      padding:9px 11px;
      color:#fff;
      background:rgba(255,255,255,.08);
    }
    .navbar-toggler:focus{box-shadow:0 0 0 4px rgba(47,230,255,.22)}
    .navbar-nav{gap:8px;align-items:center}
    .nav-link{
      color:rgba(255,255,255,.82)!important;
      font-weight:700;
      border-radius:999px;
      padding:10px 16px!important;
      position:relative;
    }
    .nav-link:hover,.nav-link.active{
      color:#fff!important;
      background:rgba(255,255,255,.12);
    }
    .nav-link.active::after{
      content:"";
      position:absolute;
      left:18px;right:18px;bottom:5px;
      height:2px;
      border-radius:2px;
      background:linear-gradient(90deg,var(--primary),transparent);
    }
    .nav-cta{
      margin-left:8px;
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:11px 18px;
      border-radius:999px;
      background:linear-gradient(135deg,var(--accent),#ff8f5a);
      color:#15110a!important;
      font-weight:900;
      box-shadow:0 0 28px rgba(255,207,90,.25);
    }
    .nav-cta:hover{transform:translateY(-2px);box-shadow:0 0 36px rgba(255,207,90,.42);color:#15110a!important}
    .btn-neon,.btn-ghost,.btn-warm{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:10px;
      min-height:48px;
      padding:12px 20px;
      border-radius:999px;
      font-weight:850;
      border:1px solid transparent;
      transition:transform var(--ease),box-shadow var(--ease),background var(--ease),border-color var(--ease);
    }
    .btn-neon{
      background:linear-gradient(135deg,var(--primary),#54a8ff 48%,var(--primary-2));
      color:#03101e;
      box-shadow:0 0 34px rgba(47,230,255,.32);
    }
    .btn-neon:hover,.btn-neon:focus{
      color:#03101e;
      transform:translateY(-2px);
      box-shadow:0 0 48px rgba(47,230,255,.44);
    }
    .btn-ghost{
      color:#fff;
      background:rgba(255,255,255,.07);
      border-color:var(--line);
    }
    .btn-ghost:hover,.btn-ghost:focus{
      color:#fff;
      background:rgba(255,255,255,.12);
      border-color:var(--line-strong);
      transform:translateY(-2px);
    }
    .btn-warm{
      color:#181207;
      background:linear-gradient(135deg,var(--accent),#ff9f6e);
      box-shadow:0 0 28px rgba(255,207,90,.24);
    }
    .btn-warm:hover{color:#181207;transform:translateY(-2px);box-shadow:0 0 38px rgba(255,207,90,.38)}
    .btn-neon:focus-visible,.btn-ghost:focus-visible,.btn-warm:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible{
      outline:3px solid rgba(47,230,255,.45);
      outline-offset:3px;
    }
    .glass-card{
      background:linear-gradient(180deg,rgba(255,255,255,.10),rgba(255,255,255,.055));
      border:1px solid var(--line);
      border-radius:var(--radius-xl);
      box-shadow:var(--shadow);
      backdrop-filter:blur(18px);
    }
    .soft-card{
      background:rgba(10,29,55,.78);
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      box-shadow:0 14px 46px rgba(0,0,0,.24);
      transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease),background var(--ease);
    }
    .soft-card:hover{
      transform:translateY(-4px);
      border-color:rgba(47,230,255,.32);
      box-shadow:0 20px 60px rgba(0,0,0,.30),var(--shadow-glow);
      background:rgba(13,38,72,.86);
    }
    .badge-soft{
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:7px 11px;
      border:1px solid rgba(47,230,255,.24);
      border-radius:999px;
      color:#dffbff;
      background:rgba(47,230,255,.09);
      font-size:13px;
      font-weight:800;
    }
    .hero{
      padding:70px 0 46px;
    }
    .hero-shell{
      min-height:560px;
      padding:28px;
      overflow:hidden;
      position:relative;
      isolation:isolate;
    }
    .hero-shell::before{
      content:"";
      position:absolute;
      width:520px;height:520px;
      right:-160px;top:-180px;
      border-radius:50%;
      background:radial-gradient(circle,rgba(47,230,255,.28),transparent 63%);
      z-index:-1;
    }
    .hero-shell::after{
      content:"";
      position:absolute;
      width:560px;height:560px;
      left:-220px;bottom:-260px;
      border-radius:50%;
      background:radial-gradient(circle,rgba(124,92,255,.24),transparent 65%);
      z-index:-1;
    }
    .hero-grid{
      display:grid;
      grid-template-columns:minmax(0,1.05fr) minmax(360px,.95fr);
      gap:24px;
      align-items:stretch;
    }
    .hero-panel{
      padding:34px;
      border-radius:24px;
      background:rgba(4,16,32,.62);
      border:1px solid rgba(255,255,255,.13);
      min-height:504px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
    }
    .hero h1{
      font-size:clamp(36px,5vw,68px);
      line-height:1.04;
      margin:18px 0 18px;
      letter-spacing:-.07em;
      font-weight:950;
    }
    .hero-lead{
      color:var(--text-soft);
      font-size:18px;
      max-width:720px;
      margin:0 0 24px;
    }
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:26px 0}
    .hero-points{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:12px;
      margin-top:18px;
    }
    .mini-stat{
      padding:15px;
      border-radius:18px;
      background:rgba(255,255,255,.065);
      border:1px solid var(--line);
    }
    .mini-stat b{
      display:block;
      font-size:24px;
      line-height:1.1;
      color:#fff;
      letter-spacing:-.03em;
    }
    .mini-stat span{font-size:13px;color:var(--muted)}
    .rank-board{
      padding:22px;
      border-radius:24px;
      background:linear-gradient(180deg,rgba(8,24,48,.88),rgba(7,18,35,.72));
      border:1px solid rgba(47,230,255,.22);
      box-shadow:inset 0 1px 0 rgba(255,255,255,.12),var(--shadow-glow);
      min-height:504px;
    }
    .board-top{
      display:flex;
      justify-content:space-between;
      align-items:flex-start;
      gap:14px;
      padding-bottom:16px;
      border-bottom:1px solid var(--line);
      margin-bottom:14px;
    }
    .board-title{font-weight:900;font-size:20px;margin:0}
    .live-dot{
      display:inline-flex;
      align-items:center;
      gap:7px;
      color:var(--success);
      font-weight:800;
      font-size:13px;
      white-space:nowrap;
    }
    .live-dot::before{
      content:"";
      width:8px;height:8px;border-radius:50%;
      background:var(--success);
      box-shadow:0 0 14px var(--success);
    }
    .rank-item{
      display:grid;
      grid-template-columns:32px 1fr auto;
      gap:12px;
      align-items:center;
      padding:13px 0;
      border-bottom:1px solid rgba(255,255,255,.08);
    }
    .rank-item:last-child{border-bottom:0}
    .rank-no{
      width:28px;height:28px;
      display:grid;
      place-items:center;
      border-radius:10px;
      background:rgba(47,230,255,.12);
      color:var(--primary);
      font-weight:900;
    }
    .rank-text strong{display:block;color:#fff;font-size:15px}
    .rank-text small{color:var(--muted)}
    .rank-score{
      color:#fff;
      font-weight:900;
      padding:7px 10px;
      border-radius:12px;
      background:rgba(255,255,255,.08);
    }
    .safe-strip{
      margin-top:18px;
      padding:16px;
      border-radius:18px;
      background:linear-gradient(135deg,rgba(103,240,184,.12),rgba(47,230,255,.08));
      border:1px solid rgba(103,240,184,.22);
      color:#dffdf3;
      font-size:14px;
    }
    .pain-layout{
      display:grid;
      grid-template-columns:minmax(0,.86fr) minmax(360px,1.14fr);
      gap:22px;
      align-items:start;
      margin-top:34px;
    }
    .pain-demo{
      padding:24px;
    }
    .compare-row{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:14px;
      margin-top:18px;
    }
    .compare-box{
      padding:18px;
      border-radius:18px;
      border:1px solid var(--line);
      background:rgba(255,255,255,.055);
      min-height:150px;
    }
    .compare-box.bad{border-color:rgba(255,107,138,.28);background:rgba(255,107,138,.07)}
    .compare-box.good{border-color:rgba(103,240,184,.28);background:rgba(103,240,184,.07)}
    .compare-box h3{
      font-size:17px;
      margin:0 0 10px;
      font-weight:900;
      display:flex;
      align-items:center;
      gap:8px;
    }
    .compare-box p{margin:0;color:var(--text-soft);font-size:15px}
    .pain-list{
      display:grid;
      gap:14px;
    }
    .pain-list .soft-card{padding:19px}
    .icon-pill{
      width:42px;height:42px;
      border-radius:15px;
      display:grid;
      place-items:center;
      background:linear-gradient(135deg,rgba(47,230,255,.18),rgba(124,92,255,.18));
      color:var(--primary);
      border:1px solid rgba(47,230,255,.18);
      flex:0 0 42px;
    }
    .media-card{display:flex;gap:14px;align-items:flex-start}
    .media-card h3{font-size:18px;margin:0 0 6px;font-weight:900}
    .media-card p{margin:0;color:var(--text-soft);font-size:15px}
    .steps-wrap{
      margin-top:34px;
      display:grid;
      grid-template-columns:1fr;
      gap:18px;
    }
    .step-line{
      display:grid;
      grid-template-columns:80px 1fr 220px;
      gap:18px;
      align-items:center;
      padding:22px;
      position:relative;
      overflow:hidden;
    }
    .step-line::before{
      content:"";
      position:absolute;
      left:58px;top:0;bottom:0;
      width:1px;
      background:linear-gradient(180deg,transparent,var(--primary),transparent);
      opacity:.4;
    }
    .step-number{
      width:58px;height:58px;
      display:grid;
      place-items:center;
      border-radius:20px;
      background:linear-gradient(135deg,var(--primary),var(--primary-2));
      color:#07111f;
      font-weight:950;
      box-shadow:0 0 24px rgba(47,230,255,.30);
      z-index:1;
    }
    .step-line h3{font-size:20px;font-weight:900;margin:0 0 4px}
    .step-line p{margin:0;color:var(--text-soft)}
    .step-tag{
      justify-self:end;
      padding:9px 12px;
      border-radius:999px;
      background:rgba(255,255,255,.08);
      color:#dbeaff;
      border:1px solid var(--line);
      font-size:13px;
      font-weight:800;
    }
    .metric-grid{
      display:grid;
      grid-template-columns:1.08fr .92fr;
      gap:22px;
      margin-top:34px;
    }
    .metric-main{padding:28px}
    .metric-numbers{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:14px;
      margin-top:24px;
    }
    .metric{
      padding:18px;
      border-radius:18px;
      background:rgba(255,255,255,.06);
      border:1px solid var(--line);
    }
    .metric strong{
      display:block;
      font-size:32px;
      line-height:1.05;
      letter-spacing:-.04em;
      color:#fff;
    }
    .metric span{color:var(--muted);font-size:14px}
    .traffic-card{padding:26px}
    .traffic-list{display:grid;gap:13px;margin-top:18px}
    .traffic-item{
      display:flex;
      gap:12px;
      padding:13px;
      border-radius:16px;
      background:rgba(255,255,255,.055);
      border:1px solid rgba(255,255,255,.09);
      color:var(--text-soft);
    }
    .entry-grid{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:16px;
      margin-top:34px;
    }
    .entry-card{
      padding:22px;
      min-height:168px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
    }
    .entry-card h3{font-size:18px;margin:14px 0 6px;font-weight:900}
    .entry-card p{margin:0;color:var(--text-soft);font-size:15px}
    .news-layout{
      display:grid;
      grid-template-columns:minmax(0,1fr) 360px;
      gap:22px;
      margin-top:34px;
      align-items:start;
    }
    .news-list{
      padding:10px;
    }
    .news-item{
      display:grid;
      grid-template-columns:108px 1fr auto;
      gap:16px;
      align-items:center;
      padding:18px;
      border-bottom:1px solid rgba(255,255,255,.09);
      border-radius:18px;
      transition:background var(--ease),transform var(--ease);
    }
    .news-item:last-child{border-bottom:0}
    .news-item:hover{
      background:rgba(255,255,255,.06);
      transform:translateX(4px);
    }
    .news-date{
      color:var(--primary);
      font-weight:900;
      font-size:14px;
    }
    .news-item h3{
      margin:0 0 4px;
      font-size:18px;
      font-weight:900;
    }
    .news-item p{margin:0;color:var(--text-soft);font-size:14px}
    .news-arrow{
      width:38px;height:38px;
      border-radius:14px;
      display:grid;
      place-items:center;
      color:#fff;
      background:rgba(255,255,255,.08);
      border:1px solid var(--line);
    }
    .calendar-card{padding:24px}
    .calendar-row{
      display:flex;
      gap:13px;
      align-items:flex-start;
      padding:14px 0;
      border-bottom:1px solid rgba(255,255,255,.09);
    }
    .calendar-row:last-child{border-bottom:0}
    .date-chip{
      width:54px;
      flex:0 0 54px;
      text-align:center;
      border-radius:16px;
      padding:8px 6px;
      background:rgba(47,230,255,.10);
      border:1px solid rgba(47,230,255,.20);
      color:#fff;
      font-weight:900;
      line-height:1.1;
    }
    .date-chip small{display:block;color:var(--primary);font-size:12px}
    .calendar-row h4{font-size:16px;margin:0 0 4px;font-weight:900}
    .calendar-row p{font-size:14px;margin:0;color:var(--muted)}
    .faq-wrap{
      margin-top:34px;
      display:grid;
      grid-template-columns:.84fr 1.16fr;
      gap:22px;
      align-items:start;
    }
    .quick-panel{padding:28px;position:sticky;top:98px}
    .accordion{
      --bs-accordion-bg:transparent;
      --bs-accordion-border-color:rgba(255,255,255,.12);
      --bs-accordion-border-radius:18px;
      --bs-accordion-inner-border-radius:18px;
      --bs-accordion-btn-focus-box-shadow:0 0 0 4px rgba(47,230,255,.18);
      display:grid;
      gap:12px;
    }
    .accordion-item{
      color:var(--text);
      background:rgba(255,255,255,.06);
      border:1px solid var(--line)!important;
      border-radius:18px!important;
      overflow:hidden;
    }
    .accordion-button{
      color:#fff;
      background:transparent;
      font-weight:900;
      padding:18px 20px;
      box-shadow:none!important;
    }
    .accordion-button:not(.collapsed){
      color:#fff;
      background:rgba(47,230,255,.08);
    }
    .accordion-button::after{
      filter:invert(1) brightness(1.8);
    }
    .accordion-body{
      color:var(--text-soft);
      padding:0 20px 20px;
    }
    .ticket-grid{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:18px;
      margin-top:34px;
    }
    .ticket-card{
      padding:24px;
      position:relative;
      overflow:hidden;
    }
    .ticket-card.featured{
      border-color:rgba(47,230,255,.42);
      box-shadow:0 0 44px rgba(47,230,255,.22),var(--shadow);
      transform:translateY(-8px);
    }
    .ticket-card.featured::before{
      content:"推荐";
      position:absolute;
      right:18px;top:18px;
      padding:6px 10px;
      border-radius:999px;
      background:linear-gradient(135deg,var(--primary),var(--success));
      color:#06101f;
      font-size:13px;
      font-weight:950;
    }
    .ticket-name{font-size:20px;font-weight:950;margin:0 0 10px}
    .ticket-price{
      font-size:38px;
      line-height:1;
      font-weight:950;
      letter-spacing:-.05em;
      margin-bottom:12px;
    }
    .ticket-price small{font-size:14px;color:var(--muted);font-weight:700}
    .check-list{
      list-style:none;
      padding:0;
      margin:18px 0 22px;
      display:grid;
      gap:10px;
    }
    .check-list li{
      display:flex;
      gap:10px;
      color:var(--text-soft);
      font-size:15px;
    }
    .check-list i{color:var(--success);margin-top:5px}
    .cta-shell{
      padding:28px;
      overflow:hidden;
      position:relative;
    }
    .cta-shell::before{
      content:"";
      position:absolute;
      inset:-1px;
      background:radial-gradient(circle at 15% 20%,rgba(47,230,255,.18),transparent 32%),radial-gradient(circle at 85% 65%,rgba(255,207,90,.14),transparent 34%);
      pointer-events:none;
    }
    .cta-grid{
      position:relative;
      display:grid;
      grid-template-columns:1fr 420px;
      gap:24px;
      align-items:stretch;
    }
    .countdown{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin:24px 0;
    }
    .time-box{
      min-width:78px;
      text-align:center;
      padding:12px 10px;
      border-radius:18px;
      background:rgba(255,255,255,.08);
      border:1px solid var(--line);
    }
    .time-box b{display:block;font-size:26px;line-height:1;color:#fff}
    .time-box span{font-size:12px;color:var(--muted)}
    .signal-form{
      padding:24px;
      border-radius:24px;
      background:rgba(3,13,27,.52);
      border:1px solid rgba(255,255,255,.14);
    }
    .form-label{
      color:#fff;
      font-weight:850;
      margin-bottom:8px;
    }
    .form-control,.form-select{
      background:rgba(255,255,255,.07);
      border:1px solid rgba(255,255,255,.16);
      color:#fff;
      border-radius:14px;
      padding:12px 14px;
    }
    .form-control::placeholder{color:rgba(214,230,245,.48)}
    .form-control:focus,.form-select:focus{
      background:rgba(255,255,255,.10);
      border-color:rgba(47,230,255,.55);
      color:#fff;
      box-shadow:0 0 0 4px rgba(47,230,255,.16);
    }
    .form-select option{color:#06101f}
    .form-note{
      color:var(--muted);
      font-size:13px;
      margin-top:10px;
    }
    .notice{
      display:none;
      margin-top:14px;
      padding:12px 14px;
      border-radius:14px;
      background:rgba(103,240,184,.11);
      border:1px solid rgba(103,240,184,.24);
      color:#dcfff1;
      font-size:14px;
    }
    .footer{
      padding:46px 0 28px;
      background:rgba(3,10,21,.72);
      border-top:1px solid rgba(255,255,255,.11);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.2fr .8fr .8fr;
      gap:24px;
      align-items:start;
    }
    .footer-brand{
      display:flex;
      gap:12px;
      align-items:center;
      font-weight:950;
      letter-spacing:-.04em;
      margin-bottom:12px;
    }
    .footer p{color:var(--muted);margin:0}
    .footer h3{font-size:15px;font-weight:950;margin:0 0 12px;color:#fff}
    .footer-links{
      list-style:none;
      margin:0;
      padding:0;
      display:grid;
      gap:8px;
    }
    .footer-links a{color:var(--text-soft)}
    .footer-links a:hover{color:var(--primary);padding-left:4px}
    .copyright{
      display:flex;
      justify-content:space-between;
      gap:16px;
      padding-top:24px;
      margin-top:28px;
      border-top:1px solid rgba(255,255,255,.09);
      color:var(--muted);
      font-size:14px;
    }
    @media (max-width: 1024px){
      .hero-grid,.pain-layout,.metric-grid,.news-layout,.faq-wrap,.cta-grid{
        grid-template-columns:1fr;
      }
      .hero-panel,.rank-board{min-height:auto}
      .entry-grid{grid-template-columns:repeat(2,1fr)}
      .ticket-grid{grid-template-columns:1fr}
      .ticket-card.featured{transform:none}
      .quick-panel{position:static}
    }
    @media (max-width: 768px){
      :root{--nav-h:68px}
      .navbar-collapse{
        margin-top:12px;
        padding:14px;
        border-radius:18px;
        background:rgba(2,12,26,.66);
        border:1px solid rgba(255,255,255,.13);
      }
      .navbar-brand{font-size:15px;max-width:270px}
      .brand-mark{width:38px;height:38px;flex-basis:38px}
      .section{padding:68px 0}
      .hero{padding:38px 0 30px}
      .hero-shell{padding:16px;border-radius:22px}
      .hero-panel{padding:22px}
      .hero-actions .btn-neon,.hero-actions .btn-ghost{width:100%}
      .hero-points,.metric-numbers{grid-template-columns:1fr}
      .compare-row{grid-template-columns:1fr}
      .step-line{grid-template-columns:58px 1fr;gap:14px}
      .step-tag{grid-column:2;justify-self:start}
      .entry-grid{grid-template-columns:1fr}
      .news-item{grid-template-columns:1fr;gap:8px}
      .news-arrow{display:none}
      .footer-grid{grid-template-columns:1fr}
      .copyright{flex-direction:column}
    }
    @media (max-width: 520px){
      .section-title{font-size:28px}
      .hero h1{font-size:34px}
      .hero-lead,.section-desc{font-size:16px}
      .rank-item{grid-template-columns:28px 1fr;align-items:start}
      .rank-score{grid-column:2;justify-self:start}
      .metric strong{font-size:28px}
      .countdown{display:grid;grid-template-columns:repeat(2,1fr)}
      .time-box{min-width:0}
      .cta-shell{padding:18px}
      .signal-form{padding:18px}
    }

/* 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}