/* roulang page: index */
:root{
      --primary:#7c3aed;
      --primary-2:#a855f7;
      --accent:#22d3ee;
      --accent-2:#f59e0b;
      --ink:#101226;
      --text:#252944;
      --muted:#6f7590;
      --weak:#9aa1b8;
      --bg:#f6f7fb;
      --panel:#ffffff;
      --panel-2:#f0f3ff;
      --dark:#111326;
      --dark-2:#191b35;
      --line:rgba(34,37,64,.12);
      --line-dark:rgba(255,255,255,.12);
      --shadow:0 22px 60px rgba(32,35,70,.12);
      --shadow-soft:0 12px 34px rgba(32,35,70,.08);
      --radius-xl:28px;
      --radius-lg:22px;
      --radius-md:16px;
      --radius-sm:12px;
      --container:1180px;
      --nav-h:76px;
    }

    *{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(--text);
      background:
        radial-gradient(circle at 10% 0%, rgba(124,58,237,.13), transparent 34%),
        radial-gradient(circle at 90% 8%, rgba(34,211,238,.12), transparent 32%),
        linear-gradient(180deg,#fbfbff 0%,var(--bg) 46%,#fff 100%);
      line-height:1.78;
      letter-spacing:.01em;
      overflow-x:hidden;
    }

    a{color:inherit;text-decoration:none;transition:color .2s ease,background .2s ease,transform .2s ease}
    a:hover{color:var(--primary)}
    img{max-width:100%;height:auto;display:block}
    button,input,textarea,select{font:inherit}
    ::selection{background:rgba(124,58,237,.18);color:var(--ink)}

    .container-fluid-custom{
      width:min(var(--container), calc(100% - 40px));
      margin-inline:auto;
    }

    .site-header{
      position:sticky;
      top:0;
      z-index:1000;
      backdrop-filter:saturate(150%) blur(18px);
      background:rgba(255,255,255,.86);
      border-bottom:1px solid var(--line);
      box-shadow:0 10px 30px rgba(20,22,44,.05);
    }

    .navbar{
      min-height:var(--nav-h);
      padding:0;
    }

    .navbar-brand{
      display:flex;
      align-items:center;
      gap:12px;
      color:var(--ink);
      font-weight:900;
      letter-spacing:-.02em;
      max-width:560px;
      white-space:normal;
      line-height:1.2;
    }

    .brand-mark{
      width:44px;
      height:44px;
      border-radius:15px;
      display:grid;
      place-items:center;
      color:#fff;
      flex:0 0 auto;
      background:
        linear-gradient(135deg,rgba(255,255,255,.22),transparent 42%),
        linear-gradient(135deg,var(--primary),var(--accent));
      box-shadow:0 14px 28px rgba(124,58,237,.24);
      font-size:18px;
      font-weight:900;
    }

    .brand-sub{
      display:block;
      font-size:12px;
      color:var(--muted);
      font-weight:700;
      margin-top:2px;
      letter-spacing:.04em;
    }

    .navbar-toggler{
      border:1px solid var(--line);
      border-radius:14px;
      padding:9px 11px;
      box-shadow:none!important;
      background:#fff;
    }

    .navbar-nav{
      align-items:center;
      gap:8px;
    }

    .nav-link{
      color:var(--muted);
      font-weight:800;
      padding:10px 14px!important;
      border-radius:999px;
    }

    .nav-link:hover,
    .nav-link:focus{
      color:var(--primary);
      background:rgba(124,58,237,.08);
      outline:none;
    }

    .nav-link.active{
      color:#fff!important;
      background:linear-gradient(135deg,var(--primary),var(--primary-2));
      box-shadow:0 12px 22px rgba(124,58,237,.22);
    }

    .nav-cta{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      padding:10px 16px;
      border-radius:999px;
      background:var(--dark);
      color:#fff;
      font-weight:900;
      border:1px solid rgba(255,255,255,.12);
      box-shadow:0 12px 26px rgba(17,19,38,.18);
    }

    .nav-cta:hover,
    .nav-cta:focus{
      color:#fff;
      transform:translateY(-1px);
      background:#242746;
      outline:3px solid rgba(124,58,237,.18);
    }

    .breadcrumb-wrap{
      background:rgba(246,247,251,.72);
      border-top:1px solid rgba(255,255,255,.7);
      border-bottom:1px solid var(--line);
    }

    .breadcrumb{
      margin:0;
      padding:11px 0;
      font-size:14px;
      color:var(--muted);
      align-items:center;
    }

    .breadcrumb-item a{
      color:var(--primary);
      font-weight:800;
    }

    .breadcrumb-item.active{color:var(--muted)}
    .breadcrumb-item+.breadcrumb-item::before{color:var(--weak)}

    .section{
      padding:86px 0;
      position:relative;
    }

    .section-tight{padding:58px 0}
    .section-dark{
      background:
        radial-gradient(circle at 15% 15%,rgba(124,58,237,.32),transparent 30%),
        radial-gradient(circle at 88% 20%,rgba(34,211,238,.20),transparent 26%),
        linear-gradient(135deg,var(--dark),var(--dark-2));
      color:#fff;
      overflow:hidden;
    }

    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 12px;
      border:1px solid rgba(124,58,237,.16);
      border-radius:999px;
      background:rgba(124,58,237,.08);
      color:#5b21b6;
      font-weight:900;
      font-size:13px;
      margin-bottom:16px;
    }

    .eyebrow.light{
      color:#e8dbff;
      background:rgba(255,255,255,.10);
      border-color:var(--line-dark);
    }

    .section-title{
      font-size:clamp(28px,3vw,44px);
      line-height:1.22;
      letter-spacing:-.04em;
      color:var(--ink);
      font-weight:950;
      margin:0 0 16px;
    }

    .section-dark .section-title{color:#fff}

    .section-desc{
      margin:0;
      max-width:760px;
      color:var(--muted);
      font-size:17px;
      line-height:1.9;
    }

    .section-dark .section-desc{color:rgba(255,255,255,.72)}

    .btn-modern{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:10px;
      min-height:48px;
      padding:12px 20px;
      border-radius:999px;
      border:1px solid transparent;
      font-weight:950;
      transition:transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease;
      cursor:pointer;
      text-align:center;
    }

    .btn-primary-modern{
      color:#fff;
      background:
        linear-gradient(135deg,rgba(255,255,255,.20),transparent 45%),
        linear-gradient(135deg,var(--primary),var(--primary-2));
      box-shadow:0 18px 34px rgba(124,58,237,.26);
    }

    .btn-primary-modern:hover,
    .btn-primary-modern:focus{
      color:#fff;
      transform:translateY(-2px);
      box-shadow:0 22px 46px rgba(124,58,237,.34);
      outline:3px solid rgba(124,58,237,.18);
    }

    .btn-ghost-modern{
      color:var(--ink);
      background:#fff;
      border-color:var(--line);
      box-shadow:0 10px 24px rgba(32,35,70,.08);
    }

    .btn-ghost-modern:hover,
    .btn-ghost-modern:focus{
      color:var(--primary);
      border-color:rgba(124,58,237,.28);
      transform:translateY(-2px);
      outline:3px solid rgba(124,58,237,.12);
    }

    .btn-dark-modern{
      background:var(--dark);
      color:#fff;
      box-shadow:0 18px 34px rgba(17,19,38,.20);
    }

    .btn-dark-modern:hover,
    .btn-dark-modern:focus{
      color:#fff;
      background:#232642;
      transform:translateY(-2px);
      outline:3px solid rgba(255,255,255,.18);
    }

    .hero{
      padding:82px 0 74px;
      overflow:hidden;
    }

    .hero-grid{
      display:grid;
      grid-template-columns:5fr 7fr;
      gap:50px;
      align-items:center;
    }

    .hero h1{
      font-size:clamp(36px,5.2vw,70px);
      line-height:1.08;
      letter-spacing:-.06em;
      color:var(--ink);
      font-weight:950;
      margin:0 0 22px;
    }

    .hero h1 .grad{
      background:linear-gradient(135deg,var(--primary),#06b6d4 68%,#f59e0b);
      -webkit-background-clip:text;
      background-clip:text;
      color:transparent;
    }

    .hero-lead{
      font-size:18px;
      color:var(--muted);
      line-height:1.95;
      margin:0 0 28px;
      max-width:630px;
    }

    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-bottom:30px;
    }

    .hero-kpis{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:12px;
      max-width:620px;
    }

    .kpi{
      padding:16px;
      background:rgba(255,255,255,.76);
      border:1px solid var(--line);
      border-radius:var(--radius-md);
      box-shadow:var(--shadow-soft);
    }

    .kpi strong{
      display:block;
      color:var(--ink);
      font-size:24px;
      line-height:1.1;
      font-weight:950;
      letter-spacing:-.03em;
    }

    .kpi span{
      display:block;
      color:var(--muted);
      font-size:13px;
      font-weight:800;
      margin-top:7px;
    }

    .cover-wrap{
      position:relative;
      min-height:530px;
      perspective:1200px;
    }

    .cover-wrap::before{
      content:"";
      position:absolute;
      inset:28px 20px 10px 18px;
      border-radius:36px;
      background:linear-gradient(135deg,rgba(124,58,237,.22),rgba(34,211,238,.18));
      transform:rotate(-5deg) translateY(18px);
      filter:blur(.2px);
    }

    .cover-art{
      position:relative;
      min-height:520px;
      border-radius:38px;
      overflow:hidden;
      transform:rotate(2.7deg);
      background:
        linear-gradient(120deg,rgba(255,255,255,.16),transparent 30%),
        radial-gradient(circle at 20% 15%,rgba(255,255,255,.24),transparent 18%),
        radial-gradient(circle at 84% 18%,rgba(34,211,238,.38),transparent 23%),
        linear-gradient(135deg,#15172f 0%,#35206b 52%,#0f6978 100%);
      box-shadow:0 34px 80px rgba(31,34,72,.28);
      border:1px solid rgba(255,255,255,.22);
    }

    .cover-art::after{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(90deg,rgba(255,255,255,.08) 1px,transparent 1px),
        linear-gradient(0deg,rgba(255,255,255,.06) 1px,transparent 1px);
      background-size:42px 42px;
      mask-image:linear-gradient(180deg,rgba(0,0,0,.75),transparent);
      opacity:.8;
    }

    .cover-panel{
      position:absolute;
      z-index:2;
      left:44px;
      right:44px;
      bottom:44px;
      padding:24px;
      border-radius:28px;
      background:rgba(255,255,255,.12);
      backdrop-filter:blur(16px);
      border:1px solid rgba(255,255,255,.18);
      color:#fff;
    }

    .cover-topline{
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:12px;
      margin-bottom:24px;
    }

    .status-badge{
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:7px 11px;
      border-radius:999px;
      background:rgba(34,211,238,.16);
      color:#dffbff;
      border:1px solid rgba(34,211,238,.28);
      font-size:13px;
      font-weight:900;
      white-space:nowrap;
    }

    .status-dot{
      width:8px;
      height:8px;
      border-radius:999px;
      background:#22c55e;
      box-shadow:0 0 0 6px rgba(34,197,94,.16);
    }

    .cover-title{
      font-size:34px;
      line-height:1.15;
      font-weight:950;
      letter-spacing:-.04em;
      margin:0 0 12px;
    }

    .cover-text{
      margin:0 0 22px;
      color:rgba(255,255,255,.72);
      line-height:1.8;
    }

    .cover-metrics{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:12px;
    }

    .cover-metric{
      padding:14px;
      border-radius:18px;
      background:rgba(255,255,255,.11);
      border:1px solid rgba(255,255,255,.13);
    }

    .cover-metric b{display:block;font-size:20px;color:#fff}
    .cover-metric small{color:rgba(255,255,255,.68);font-weight:800}

    .floating-note{
      position:absolute;
      z-index:3;
      top:52px;
      right:-10px;
      width:230px;
      padding:16px;
      border-radius:22px;
      background:#fff;
      border:1px solid var(--line);
      box-shadow:var(--shadow);
      transform:rotate(-4deg);
    }

    .floating-note b{
      display:block;
      color:var(--ink);
      line-height:1.35;
      margin-bottom:6px;
      font-weight:950;
    }

    .floating-note span{
      color:var(--muted);
      font-size:13px;
      font-weight:700;
    }

    .age-ribbon{
      display:inline-flex;
      align-items:center;
      gap:8px;
      margin-top:18px;
      padding:10px 13px;
      border-radius:14px;
      background:rgba(245,158,11,.10);
      color:#92400e;
      border:1px solid rgba(245,158,11,.20);
      font-size:14px;
      font-weight:800;
    }

    .countdown-shell{
      display:grid;
      grid-template-columns:1.02fr 1.25fr;
      gap:28px;
      align-items:stretch;
    }

    .count-card{
      background:#fff;
      border:1px solid var(--line);
      border-radius:var(--radius-xl);
      box-shadow:var(--shadow);
      padding:30px;
      overflow:hidden;
      position:relative;
    }

    .count-card::after{
      content:"";
      position:absolute;
      width:190px;
      height:190px;
      right:-68px;
      top:-70px;
      background:radial-gradient(circle,rgba(124,58,237,.20),transparent 68%);
    }

    .time-grid{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:12px;
      margin-top:24px;
    }

    .time-box{
      padding:18px 12px;
      border-radius:20px;
      background:linear-gradient(180deg,#fff,#f4f0ff);
      border:1px solid rgba(124,58,237,.12);
      text-align:center;
    }

    .time-box strong{
      display:block;
      font-size:34px;
      line-height:1;
      letter-spacing:-.04em;
      color:var(--primary);
      font-weight:950;
    }

    .time-box span{
      display:block;
      color:var(--muted);
      font-size:13px;
      margin-top:9px;
      font-weight:900;
    }

    .guard-strip{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:14px;
      height:100%;
    }

    .guard-item{
      background:#fff;
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      padding:22px;
      box-shadow:var(--shadow-soft);
      min-height:170px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
    }

    .guard-item:hover{
      transform:translateY(-4px);
      box-shadow:var(--shadow);
      border-color:rgba(124,58,237,.22);
    }

    .guard-icon{
      width:46px;
      height:46px;
      border-radius:16px;
      display:grid;
      place-items:center;
      color:#fff;
      background:linear-gradient(135deg,var(--primary),var(--accent));
      font-weight:950;
      margin-bottom:18px;
    }

    .guard-item h3{
      font-size:18px;
      color:var(--ink);
      margin:0 0 8px;
      font-weight:950;
    }

    .guard-item p{
      margin:0;
      color:var(--muted);
      font-size:14px;
      line-height:1.75;
    }

    .highlight-wall{
      display:grid;
      grid-template-columns:1.05fr .95fr;
      gap:24px;
      margin-top:34px;
    }

    .highlight-card{
      position:relative;
      border-radius:var(--radius-xl);
      border:1px solid var(--line);
      background:#fff;
      padding:26px;
      box-shadow:var(--shadow-soft);
      min-height:210px;
      overflow:hidden;
      transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
    }

    .highlight-card:hover{
      transform:translateY(-4px);
      box-shadow:var(--shadow);
      border-color:rgba(124,58,237,.22);
    }

    .highlight-card.large{
      min-height:444px;
      color:#fff;
      background:
        radial-gradient(circle at 20% 12%,rgba(255,255,255,.20),transparent 22%),
        linear-gradient(135deg,#27214f,#6d28d9 58%,#0891b2);
      border-color:rgba(255,255,255,.14);
    }

    .highlight-card h3{
      color:var(--ink);
      font-size:24px;
      line-height:1.25;
      font-weight:950;
      margin:0 0 12px;
      letter-spacing:-.03em;
    }

    .highlight-card.large h3{color:#fff;font-size:34px}
    .highlight-card p{margin:0;color:var(--muted);line-height:1.85}
    .highlight-card.large p{color:rgba(255,255,255,.75);max-width:520px}

    .chip-row{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:24px;
    }

    .chip{
      display:inline-flex;
      align-items:center;
      padding:8px 12px;
      border-radius:999px;
      background:rgba(255,255,255,.12);
      border:1px solid rgba(255,255,255,.18);
      color:#fff;
      font-weight:900;
      font-size:13px;
    }

    .highlight-stack{
      display:grid;
      gap:24px;
    }

    .mini-flow{
      position:absolute;
      left:26px;
      right:26px;
      bottom:26px;
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:12px;
    }

    .flow-step{
      padding:14px;
      border-radius:18px;
      background:rgba(255,255,255,.12);
      border:1px solid rgba(255,255,255,.16);
    }

    .flow-step b{display:block;color:#fff;margin-bottom:4px}
    .flow-step span{display:block;color:rgba(255,255,255,.66);font-size:13px;line-height:1.55}

    .plans{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:22px;
      margin-top:34px;
      align-items:stretch;
    }

    .plan-card{
      background:#fff;
      border:1px solid var(--line);
      border-radius:var(--radius-xl);
      padding:28px;
      box-shadow:var(--shadow-soft);
      position:relative;
      transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
    }

    .plan-card:hover{
      transform:translateY(-5px);
      box-shadow:var(--shadow);
      border-color:rgba(124,58,237,.24);
    }

    .plan-card.featured{
      background:
        linear-gradient(#fff,#fff) padding-box,
        linear-gradient(135deg,var(--primary),var(--accent)) border-box;
      border:2px solid transparent;
      transform:translateY(-10px);
    }

    .popular{
      position:absolute;
      top:18px;
      right:18px;
      padding:6px 10px;
      border-radius:999px;
      background:rgba(245,158,11,.13);
      color:#b45309;
      font-size:12px;
      font-weight:950;
    }

    .plan-card h3{
      color:var(--ink);
      font-size:24px;
      font-weight:950;
      margin:0 0 8px;
      letter-spacing:-.03em;
    }

    .plan-card .price{
      display:flex;
      align-items:flex-end;
      gap:6px;
      color:var(--ink);
      margin:18px 0 18px;
    }

    .plan-card .price strong{
      font-size:38px;
      line-height:1;
      font-weight:950;
      letter-spacing:-.04em;
    }

    .plan-card .price span{
      color:var(--muted);
      font-weight:800;
    }

    .plan-card p{color:var(--muted);margin:0 0 20px}

    .feature-list{
      list-style:none;
      margin:20px 0 24px;
      padding:0;
      display:grid;
      gap:12px;
    }

    .feature-list li{
      display:flex;
      gap:10px;
      align-items:flex-start;
      color:var(--text);
      font-weight:750;
      line-height:1.55;
    }

    .feature-list li::before{
      content:"✓";
      width:22px;
      height:22px;
      border-radius:999px;
      display:grid;
      place-items:center;
      flex:0 0 auto;
      margin-top:1px;
      background:rgba(34,197,94,.12);
      color:#16a34a;
      font-size:13px;
      font-weight:950;
    }

    .news-layout{
      display:grid;
      grid-template-columns:1.25fr .75fr;
      gap:28px;
      margin-top:34px;
      align-items:start;
    }

    .news-list{
      background:#fff;
      border:1px solid var(--line);
      border-radius:var(--radius-xl);
      box-shadow:var(--shadow-soft);
      overflow:hidden;
    }

    .news-item{
      display:grid;
      grid-template-columns:128px 1fr auto;
      gap:18px;
      align-items:center;
      padding:22px;
      border-bottom:1px solid var(--line);
    }

    .news-item:last-child{border-bottom:0}

    .news-date{
      border-radius:18px;
      background:var(--panel-2);
      padding:14px;
      color:var(--primary);
      text-align:center;
      font-weight:950;
      line-height:1.25;
    }

    .news-date span{
      display:block;
      color:var(--muted);
      font-size:12px;
      margin-top:5px;
      letter-spacing:.05em;
    }

    .news-item h3{
      font-size:19px;
      line-height:1.45;
      margin:0 0 6px;
      color:var(--ink);
      font-weight:950;
    }

    .news-item h3 a:hover{color:var(--primary)}
    .news-item p{margin:0;color:var(--muted);font-size:14px;line-height:1.75}

    .arrow-link{
      width:40px;
      height:40px;
      border-radius:999px;
      display:grid;
      place-items:center;
      background:#fff;
      border:1px solid var(--line);
      color:var(--primary);
      font-weight:950;
    }

    .arrow-link:hover{
      background:var(--primary);
      color:#fff;
      transform:translateX(2px);
    }

    .media-panel{
      border-radius:var(--radius-xl);
      background:
        radial-gradient(circle at 20% 0%,rgba(34,211,238,.20),transparent 30%),
        linear-gradient(180deg,#fff,#f7f4ff);
      border:1px solid var(--line);
      box-shadow:var(--shadow-soft);
      padding:24px;
      overflow:hidden;
    }

    .media-scroll{
      display:flex;
      gap:14px;
      overflow-x:auto;
      padding:4px 2px 10px;
      scroll-snap-type:x mandatory;
    }

    .media-scroll::-webkit-scrollbar{height:8px}
    .media-scroll::-webkit-scrollbar-thumb{background:rgba(124,58,237,.25);border-radius:999px}

    .media-card{
      min-width:218px;
      scroll-snap-align:start;
      border-radius:20px;
      background:#fff;
      border:1px solid var(--line);
      padding:16px;
      box-shadow:0 10px 22px rgba(32,35,70,.06);
    }

    .media-thumb{
      height:118px;
      border-radius:16px;
      margin-bottom:12px;
      background:
        linear-gradient(135deg,rgba(255,255,255,.16),transparent 45%),
        linear-gradient(135deg,#2e245d,#7c3aed 58%,#06b6d4);
      position:relative;
      overflow:hidden;
    }

    .media-thumb::after{
      content:"";
      position:absolute;
      inset:18px;
      border-radius:14px;
      border:1px solid rgba(255,255,255,.28);
      background:rgba(255,255,255,.08);
    }

    .media-card b{
      display:block;
      color:var(--ink);
      line-height:1.45;
      margin-bottom:6px;
      font-weight:950;
    }

    .media-card span{
      color:var(--muted);
      font-size:13px;
      line-height:1.65;
      display:block;
    }

    .cta-card{
      display:grid;
      grid-template-columns:1fr 420px;
      gap:34px;
      align-items:center;
      border-radius:36px;
      padding:42px;
      background:
        radial-gradient(circle at 90% 15%,rgba(245,158,11,.24),transparent 24%),
        radial-gradient(circle at 12% 15%,rgba(34,211,238,.20),transparent 26%),
        linear-gradient(135deg,#1a1642,#6d28d9 64%,#0e7490);
      color:#fff;
      box-shadow:0 30px 80px rgba(91,33,182,.25);
      overflow:hidden;
    }

    .cta-card h2{
      font-size:clamp(30px,4vw,52px);
      line-height:1.15;
      font-weight:950;
      letter-spacing:-.05em;
      margin:0 0 16px;
    }

    .cta-card p{
      color:rgba(255,255,255,.76);
      margin:0;
      font-size:17px;
      line-height:1.9;
      max-width:690px;
    }

    .signup-form{
      background:rgba(255,255,255,.12);
      border:1px solid rgba(255,255,255,.18);
      border-radius:28px;
      padding:22px;
      backdrop-filter:blur(16px);
    }

    .form-label{
      font-weight:900;
      color:#fff;
      margin-bottom:7px;
    }

    .form-control,
    .form-select{
      border:1px solid rgba(255,255,255,.20);
      border-radius:16px;
      min-height:48px;
      background:rgba(255,255,255,.92);
      color:var(--ink);
      box-shadow:none!important;
    }

    .form-control:focus,
    .form-select:focus{
      border-color:var(--accent);
      outline:3px solid rgba(34,211,238,.20);
    }

    .form-text{
      color:rgba(255,255,255,.66);
      font-size:13px;
      line-height:1.6;
    }

    .form-message{
      display:none;
      margin-top:12px;
      padding:11px 12px;
      border-radius:14px;
      background:rgba(34,197,94,.14);
      color:#dcfce7;
      border:1px solid rgba(34,197,94,.22);
      font-weight:800;
    }

    .faq-wrap{
      display:grid;
      grid-template-columns:.82fr 1.18fr;
      gap:34px;
      align-items:start;
    }

    .faq-note{
      position:sticky;
      top:112px;
      border-radius:var(--radius-xl);
      background:#fff;
      border:1px solid var(--line);
      box-shadow:var(--shadow-soft);
      padding:28px;
    }

    .faq-note h2{
      font-size:34px;
      line-height:1.2;
      font-weight:950;
      letter-spacing:-.04em;
      color:var(--ink);
      margin:0 0 14px;
    }

    .faq-note p{color:var(--muted);margin:0 0 22px}

    .accordion{
      display:grid;
      gap:14px;
    }

    .accordion-item{
      border:1px solid var(--line)!important;
      border-radius:20px!important;
      overflow:hidden;
      background:#fff;
      box-shadow:0 10px 26px rgba(32,35,70,.06);
    }

    .accordion-button{
      padding:20px 22px;
      font-weight:950;
      color:var(--ink);
      line-height:1.45;
      background:#fff;
      box-shadow:none!important;
    }

    .accordion-button:not(.collapsed){
      color:var(--primary);
      background:linear-gradient(180deg,#fff,#f7f4ff);
    }

    .accordion-button:focus{
      outline:3px solid rgba(124,58,237,.14);
      border-color:transparent;
    }

    .accordion-button::after{
      width:34px;
      height:34px;
      border-radius:999px;
      background-color:rgba(124,58,237,.09);
      background-position:center;
      padding:8px;
    }

    .accordion-body{
      color:var(--muted);
      padding:0 22px 22px;
      line-height:1.9;
    }

    .site-footer{
      background:#0d1022;
      color:rgba(255,255,255,.72);
      padding:56px 0 28px;
      border-top:1px solid rgba(255,255,255,.08);
    }

    .footer-grid{
      display:grid;
      grid-template-columns:1.2fr .8fr .8fr;
      gap:34px;
      align-items:start;
    }

    .footer-brand{
      display:flex;
      gap:13px;
      align-items:center;
      color:#fff;
      font-weight:950;
      line-height:1.25;
      margin-bottom:16px;
    }

    .footer-brand .brand-mark{box-shadow:none}

    .footer-text{
      margin:0;
      max-width:620px;
      line-height:1.85;
      color:rgba(255,255,255,.64);
    }

    .footer-title{
      color:#fff;
      font-size:16px;
      font-weight:950;
      margin:0 0 14px;
    }

    .footer-links{
      list-style:none;
      margin:0;
      padding:0;
      display:grid;
      gap:10px;
    }

    .footer-links a{
      color:rgba(255,255,255,.68);
      font-weight:750;
    }

    .footer-links a:hover{
      color:#fff;
      transform:translateX(2px);
    }

    .footer-bottom{
      margin-top:38px;
      padding-top:22px;
      border-top:1px solid rgba(255,255,255,.10);
      display:flex;
      justify-content:space-between;
      gap:18px;
      flex-wrap:wrap;
      font-size:13px;
      color:rgba(255,255,255,.52);
    }

    .footer-badge{
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:7px 10px;
      border-radius:999px;
      background:rgba(255,255,255,.08);
      color:rgba(255,255,255,.76);
      border:1px solid rgba(255,255,255,.10);
      font-weight:900;
      margin-top:18px;
    }

    @media (max-width:1024px){
      :root{--nav-h:68px}
      .hero-grid,
      .countdown-shell,
      .highlight-wall,
      .news-layout,
      .cta-card,
      .faq-wrap{
        grid-template-columns:1fr;
      }
      .cover-wrap{min-height:490px}
      .cover-art{min-height:480px}
      .guard-strip{grid-template-columns:repeat(2,1fr)}
      .plans{grid-template-columns:1fr;max-width:720px;margin-inline:auto}
      .plan-card.featured{transform:none}
      .faq-note{position:relative;top:auto}
      .cta-card{padding:34px}
    }

    @media (max-width:768px){
      .container-fluid-custom{width:min(100% - 28px,var(--container))}
      .section{padding:64px 0}
      .section-tight{padding:44px 0}
      .navbar-collapse{
        padding:14px 0 18px;
      }
      .navbar-nav{
        align-items:stretch;
      }
      .nav-link{
        border-radius:14px;
      }
      .nav-cta{
        width:100%;
        margin-top:8px;
      }
      .hero{padding:58px 0 54px}
      .hero-grid{gap:34px}
      .hero-kpis{grid-template-columns:1fr}
      .cover-wrap{min-height:430px}
      .cover-art{
        min-height:420px;
        transform:rotate(0deg);
        border-radius:28px;
      }
      .cover-panel{
        left:18px;
        right:18px;
        bottom:18px;
        padding:18px;
        border-radius:22px;
      }
      .cover-title{font-size:26px}
      .cover-metrics{grid-template-columns:1fr}
      .floating-note{
        position:relative;
        top:auto;
        right:auto;
        width:auto;
        margin:16px 10px 0;
        transform:none;
      }
      .time-grid{grid-template-columns:repeat(2,1fr)}
      .guard-strip{grid-template-columns:1fr}
      .mini-flow{
        position:relative;
        left:auto;
        right:auto;
        bottom:auto;
        margin-top:24px;
        grid-template-columns:1fr;
      }
      .highlight-card.large{min-height:auto}
      .news-item{
        grid-template-columns:1fr;
        gap:12px;
      }
      .news-date{
        text-align:left;
      }
      .arrow-link{display:none}
      .cta-card{padding:26px;border-radius:28px}
      .signup-form{padding:18px;border-radius:22px}
      .footer-grid{grid-template-columns:1fr}
    }

    @media (max-width:520px){
      body{line-height:1.72}
      .navbar-brand{font-size:15px}
      .brand-mark{width:40px;height:40px;border-radius:13px}
      .hero h1{font-size:36px}
      .hero-lead,.section-desc,.cta-card p{font-size:15.5px}
      .hero-actions .btn-modern{width:100%}
      .count-card{padding:22px;border-radius:24px}
      .time-box strong{font-size:28px}
      .highlight-card{padding:22px;border-radius:24px}
      .plans{gap:16px}
      .plan-card{padding:22px;border-radius:24px}
      .footer-bottom{display:block}
      .footer-bottom span{display:block;margin-bottom:10px}
    }

/* 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}
