/* roulang page: index */
:root{
      --brand:#1e63ff;
      --brand-2:#0ea5e9;
      --brand-3:#7c3aed;
      --ink:#0f172a;
      --text:#243044;
      --muted:#64748b;
      --weak:#94a3b8;
      --line:#dbe6f3;
      --line-strong:#bfd0e7;
      --bg:#f6f9ff;
      --bg-soft:#eef5ff;
      --card:#ffffff;
      --dark:#0b1736;
      --dark-2:#102554;
      --success:#13b981;
      --warning:#f59e0b;
      --danger:#ef4444;
      --radius-sm:12px;
      --radius:18px;
      --radius-lg:28px;
      --shadow-sm:0 8px 20px rgba(30, 99, 255, .08);
      --shadow:0 18px 48px rgba(15, 23, 42, .10);
      --shadow-lg:0 28px 80px rgba(15, 23, 42, .16);
      --container:1180px;
      --nav-h:76px;
      --ease:all .22s ease;
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      color:var(--text);
      background:
        radial-gradient(circle at top left, rgba(30,99,255,.12), transparent 34rem),
        linear-gradient(180deg, #ffffff 0%, var(--bg) 46%, #ffffff 100%);
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
      line-height:1.72;
      font-size:16px;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none;transition:var(--ease)}
    a:hover{color:var(--brand)}
    img{max-width:100%;height:auto;display:block}
    button,input,select,textarea{font:inherit}
    button{cursor:pointer}
    ::selection{background:rgba(30,99,255,.16);color:var(--ink)}
    .container{
      width:min(var(--container), calc(100% - 40px));
      margin-inline:auto;
    }
    .section{
      padding:82px 0;
      position:relative;
    }
    .section.compact{padding:58px 0}
    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:30px;
      margin-bottom:28px;
    }
    .section-kicker{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--brand);
      font-weight:800;
      font-size:14px;
      letter-spacing:.04em;
      margin-bottom:9px;
    }
    .section-kicker:before{
      content:"";
      width:9px;
      height:9px;
      border-radius:99px;
      background:linear-gradient(135deg,var(--brand),var(--brand-2));
      box-shadow:0 0 0 6px rgba(30,99,255,.10);
    }
    h1,h2,h3,h4,p{margin-top:0}
    h1,h2,h3,h4{color:var(--ink);line-height:1.16;font-weight:900;letter-spacing:-.03em}
    h1{font-size:clamp(34px,5vw,64px);max-width:980px;margin-bottom:18px}
    h2{font-size:clamp(28px,3.4vw,44px);margin-bottom:12px}
    h3{font-size:22px;margin-bottom:10px}
    h4{font-size:18px;margin-bottom:8px}
    .lead{
      color:#41516b;
      font-size:18px;
      line-height:1.9;
      max-width:840px;
      margin-bottom:0;
    }
    .muted{color:var(--muted)}
    .badge{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:7px;
      min-height:32px;
      padding:6px 12px;
      border:1px solid rgba(30,99,255,.18);
      border-radius:999px;
      background:rgba(255,255,255,.72);
      color:#1b56d9;
      font-size:13px;
      font-weight:800;
      white-space:nowrap;
      box-shadow:var(--shadow-sm);
    }
    .badge.dark{
      background:rgba(255,255,255,.12);
      border-color:rgba(255,255,255,.22);
      color:#eaf3ff;
      box-shadow:none;
      backdrop-filter:blur(10px);
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      border:0;
      border-radius:999px;
      padding:13px 20px;
      min-height:48px;
      font-weight:900;
      letter-spacing:.01em;
      transition:var(--ease);
      white-space:nowrap;
      position:relative;
      overflow:hidden;
    }
    .btn:focus-visible,
    .nav-link:focus-visible,
    .field:focus,
    .chip:focus-visible{
      outline:3px solid rgba(30,99,255,.24);
      outline-offset:3px;
    }
    .btn-primary{
      color:#fff;
      background:linear-gradient(135deg,var(--brand),var(--brand-2));
      box-shadow:0 14px 28px rgba(30,99,255,.24);
    }
    .btn-primary:hover{
      color:#fff;
      transform:translateY(-2px);
      box-shadow:0 18px 36px rgba(30,99,255,.30);
    }
    .btn-secondary{
      color:#1551d1;
      background:#fff;
      border:1px solid rgba(30,99,255,.18);
      box-shadow:var(--shadow-sm);
    }
    .btn-secondary:hover{
      background:#f7fbff;
      transform:translateY(-2px);
      box-shadow:var(--shadow);
    }
    .btn-dark{
      color:#fff;
      background:rgba(15,23,42,.88);
      box-shadow:0 12px 28px rgba(15,23,42,.24);
    }
    .btn-dark:hover{color:#fff;background:#0b1736;transform:translateY(-2px)}
    .card{
      background:rgba(255,255,255,.86);
      border:1px solid rgba(219,230,243,.92);
      border-radius:var(--radius);
      box-shadow:var(--shadow-sm);
      transition:var(--ease);
      overflow:hidden;
      backdrop-filter:blur(12px);
    }
    .card:hover{
      transform:translateY(-4px);
      box-shadow:var(--shadow);
      border-color:rgba(30,99,255,.28);
    }

    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      background:rgba(255,255,255,.84);
      backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(219,230,243,.86);
    }
    .nav-shell{
      min-height:var(--nav-h);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      font-weight:950;
      color:var(--ink);
      letter-spacing:-.03em;
      font-size:22px;
      flex:0 0 auto;
    }
    .brand-mark{
      width:42px;
      height:42px;
      border-radius:14px;
      display:grid;
      place-items:center;
      color:#fff;
      font-weight:950;
      background:
        radial-gradient(circle at 28% 25%, rgba(255,255,255,.75), transparent 16%),
        linear-gradient(135deg,var(--brand),var(--brand-3));
      box-shadow:0 12px 26px rgba(30,99,255,.26);
    }
    .nav-center{
      display:flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      padding:7px;
      border-radius:999px;
      background:rgba(238,245,255,.82);
      border:1px solid rgba(219,230,243,.9);
    }
    .nav-link{
      display:inline-flex;
      align-items:center;
      min-height:38px;
      padding:8px 16px;
      border-radius:999px;
      color:#42526c;
      font-weight:850;
      font-size:14px;
    }
    .nav-link:hover{background:#fff;color:var(--brand);box-shadow:var(--shadow-sm)}
    .nav-link.active{
      background:#fff;
      color:var(--brand);
      box-shadow:0 8px 20px rgba(30,99,255,.10);
    }
    .nav-actions{
      display:flex;
      align-items:center;
      gap:12px;
      flex:0 0 auto;
    }
    .mini-search{
      display:flex;
      align-items:center;
      gap:8px;
      height:42px;
      width:220px;
      padding:0 13px;
      border-radius:999px;
      background:#fff;
      border:1px solid var(--line);
      color:var(--muted);
      box-shadow:0 8px 18px rgba(15,23,42,.04);
    }
    .mini-search input{
      width:100%;
      border:0;
      background:transparent;
      outline:0;
      color:var(--ink);
      font-size:14px;
    }
    .mini-search input::placeholder{color:#91a1b8}
    .nav-toggle{
      display:none;
      width:44px;
      height:44px;
      border:1px solid var(--line);
      background:#fff;
      border-radius:14px;
      color:var(--ink);
      align-items:center;
      justify-content:center;
      box-shadow:var(--shadow-sm);
    }
    .hamburger,.hamburger:before,.hamburger:after{
      width:18px;
      height:2px;
      border-radius:9px;
      background:currentColor;
      display:block;
      content:"";
      transition:var(--ease);
    }
    .hamburger:before{transform:translateY(-6px)}
    .hamburger:after{transform:translateY(4px)}
    .site-header.is-open .hamburger{background:transparent}
    .site-header.is-open .hamburger:before{transform:translateY(1px) rotate(45deg)}
    .site-header.is-open .hamburger:after{transform:translateY(-1px) rotate(-45deg)}

    .hero{
      padding:34px 0 72px;
    }
    .flagship{
      min-height:650px;
      border-radius:34px;
      position:relative;
      overflow:hidden;
      color:#fff;
      box-shadow:var(--shadow-lg);
      background:
        linear-gradient(105deg, rgba(10,24,56,.94) 0%, rgba(12,42,99,.84) 44%, rgba(30,99,255,.46) 100%),
        radial-gradient(circle at 82% 18%, rgba(14,165,233,.72), transparent 24rem),
        linear-gradient(135deg, #153b8b, #09172f);
    }
    .flagship:before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(90deg, rgba(255,255,255,.07) 1px, transparent 1px),
        linear-gradient(180deg, rgba(255,255,255,.06) 1px, transparent 1px);
      background-size:58px 58px;
      mask-image:linear-gradient(90deg, #000, transparent 80%);
      opacity:.72;
    }
    .flagship:after{
      content:"";
      position:absolute;
      right:-80px;
      bottom:-160px;
      width:520px;
      height:520px;
      border-radius:50%;
      border:84px solid rgba(255,255,255,.09);
    }
    .series-tabs{
      position:absolute;
      top:24px;
      left:24px;
      right:24px;
      z-index:3;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      padding:12px;
      border-radius:24px;
      background:rgba(255,255,255,.13);
      border:1px solid rgba(255,255,255,.18);
      backdrop-filter:blur(18px);
    }
    .series-scroll{
      display:flex;
      gap:10px;
      overflow-x:auto;
      scrollbar-width:none;
      padding-bottom:1px;
    }
    .series-scroll::-webkit-scrollbar{display:none}
    .chip{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      height:38px;
      padding:0 15px;
      border-radius:999px;
      color:#eef6ff;
      font-size:14px;
      font-weight:850;
      background:rgba(255,255,255,.10);
      border:1px solid rgba(255,255,255,.16);
      white-space:nowrap;
    }
    .chip:hover,.chip.active{
      color:#09204b;
      background:#fff;
      border-color:#fff;
    }
    .flagship-inner{
      position:relative;
      z-index:2;
      min-height:650px;
      display:flex;
      flex-direction:column;
      justify-content:flex-end;
      padding:120px 48px 46px;
    }
    .hero-copy{
      max-width:920px;
    }
    .hero-brand{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-bottom:20px;
      align-items:center;
    }
    .hero h1{color:#fff;text-shadow:0 12px 34px rgba(0,0,0,.18)}
    .hero .lead{
      color:#d9e8ff;
      max-width:850px;
      font-size:19px;
      margin-bottom:26px;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:13px;
      margin:26px 0 28px;
    }
    .hero-data{
      display:grid;
      grid-template-columns:repeat(3, minmax(0, 1fr));
      gap:12px;
      max-width:820px;
    }
    .hero-data-item{
      padding:16px 18px;
      border-radius:20px;
      background:rgba(255,255,255,.12);
      border:1px solid rgba(255,255,255,.16);
      backdrop-filter:blur(16px);
    }
    .hero-data-item strong{
      display:block;
      font-size:28px;
      line-height:1;
      color:#fff;
      letter-spacing:-.04em;
      margin-bottom:8px;
    }
    .hero-data-item span{
      color:#c8dcff;
      font-size:14px;
      font-weight:700;
    }
    .floating-ticket{
      position:absolute;
      right:44px;
      top:130px;
      z-index:2;
      width:310px;
      padding:22px;
      border-radius:26px;
      background:rgba(255,255,255,.94);
      color:var(--ink);
      box-shadow:0 24px 70px rgba(4,13,34,.28);
      border:1px solid rgba(255,255,255,.8);
    }
    .ticket-head{
      display:flex;
      align-items:center;
      justify-content:space-between;
      margin-bottom:16px;
    }
    .ticket-dot{
      width:48px;
      height:48px;
      border-radius:16px;
      background:linear-gradient(135deg,var(--brand),var(--brand-2));
      display:grid;
      place-items:center;
      color:#fff;
      font-weight:950;
      box-shadow:0 14px 28px rgba(30,99,255,.25);
    }
    .ticket-list{
      display:grid;
      gap:10px;
      margin:0;
      padding:0;
      list-style:none;
    }
    .ticket-list li{
      display:flex;
      justify-content:space-between;
      gap:12px;
      padding:11px 0;
      border-bottom:1px dashed var(--line);
      color:#52627b;
      font-weight:750;
      font-size:14px;
    }
    .ticket-list li:last-child{border-bottom:0}
    .ticket-list b{color:var(--ink)}
    .calendar-wrap{
      display:grid;
      grid-template-columns:310px minmax(0,1fr);
      gap:22px;
      align-items:stretch;
    }
    .calendar-panel{
      padding:26px;
      background:linear-gradient(180deg,#ffffff,#eef5ff);
    }
    .date-mark{
      width:88px;
      height:88px;
      border-radius:26px;
      display:grid;
      place-items:center;
      color:#fff;
      background:linear-gradient(135deg,var(--brand),var(--brand-3));
      box-shadow:0 18px 38px rgba(30,99,255,.24);
      margin-bottom:18px;
      font-weight:950;
      font-size:27px;
      line-height:1.05;
      text-align:center;
    }
    .date-mark small{display:block;font-size:13px;color:#dbeafe}
    .calendar-track{
      display:grid;
      grid-template-columns:repeat(4, minmax(190px,1fr));
      gap:14px;
    }
    .day-card{
      padding:20px;
      border-radius:22px;
      min-height:220px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
    }
    .day-top{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:10px;
      margin-bottom:16px;
    }
    .day-label{
      color:var(--muted);
      font-size:13px;
      font-weight:900;
    }
    .status{
      display:inline-flex;
      align-items:center;
      gap:6px;
      font-size:12px;
      font-weight:900;
      color:#0f766e;
      background:rgba(19,185,129,.10);
      padding:5px 9px;
      border-radius:999px;
    }
    .status.hot{color:#b45309;background:rgba(245,158,11,.13)}
    .status.new{color:#1d4ed8;background:rgba(30,99,255,.12)}
    .day-card p{color:var(--muted);font-size:14px;margin-bottom:18px}
    .mini-link{
      font-weight:900;
      color:var(--brand);
      display:inline-flex;
      align-items:center;
      gap:7px;
    }
    .mini-link:hover{gap:10px}
    .topics-layout{
      display:grid;
      grid-template-columns:1.05fr .95fr;
      gap:22px;
    }
    .topic-feature{
      padding:30px;
      min-height:440px;
      background:
        linear-gradient(160deg, rgba(255,255,255,.96), rgba(238,245,255,.84)),
        radial-gradient(circle at right top, rgba(30,99,255,.15), transparent 18rem);
    }
    .feature-meter{
      margin:24px 0;
      display:grid;
      gap:12px;
    }
    .meter-row{
      display:grid;
      grid-template-columns:78px 1fr 48px;
      gap:10px;
      align-items:center;
      font-size:13px;
      font-weight:850;
      color:#516079;
    }
    .meter-bar{
      height:10px;
      border-radius:999px;
      background:#e8eef8;
      overflow:hidden;
    }
    .meter-bar span{
      display:block;
      height:100%;
      border-radius:inherit;
      background:linear-gradient(90deg,var(--brand),var(--brand-2));
    }
    .topic-stack{
      display:grid;
      gap:14px;
    }
    .topic-card{
      padding:22px;
      display:grid;
      grid-template-columns:56px 1fr;
      gap:16px;
      align-items:start;
    }
    .topic-num{
      width:56px;
      height:56px;
      border-radius:18px;
      display:grid;
      place-items:center;
      color:#fff;
      font-weight:950;
      background:linear-gradient(135deg,#2563eb,#7c3aed);
      box-shadow:0 14px 28px rgba(30,99,255,.20);
    }
    .topic-card p{margin-bottom:12px;color:var(--muted);font-size:14px}
    .hot-strip{
      margin-top:22px;
      display:flex;
      gap:14px;
      overflow-x:auto;
      padding:4px 4px 18px;
      scroll-snap-type:x proximity;
    }
    .hot-strip::-webkit-scrollbar{height:8px}
    .hot-strip::-webkit-scrollbar-thumb{background:#c9d8ee;border-radius:99px}
    .burst-card{
      min-width:275px;
      scroll-snap-align:start;
      padding:20px;
      border-radius:22px;
      background:#fff;
      border:1px solid var(--line);
      box-shadow:var(--shadow-sm);
      transition:var(--ease);
    }
    .burst-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
    .burst-head{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      margin-bottom:12px;
    }
    .burst-index{
      font-size:13px;
      color:#fff;
      font-weight:950;
      padding:5px 10px;
      border-radius:999px;
      background:linear-gradient(135deg,var(--brand),var(--brand-2));
    }
    .burst-card p{font-size:14px;color:var(--muted);margin-bottom:16px}
    .dashboard{
      background:
        linear-gradient(180deg,#ffffff 0%,#f2f7ff 100%);
    }
    .dash-grid{
      display:grid;
      grid-template-columns:repeat(4, minmax(0,1fr));
      gap:16px;
      margin-bottom:22px;
    }
    .metric{
      padding:24px;
      border-radius:24px;
      background:#fff;
      border:1px solid var(--line);
      box-shadow:var(--shadow-sm);
    }
    .metric strong{
      display:block;
      color:var(--ink);
      font-size:36px;
      line-height:1;
      letter-spacing:-.05em;
      margin:8px 0 10px;
    }
    .metric span{color:var(--muted);font-size:14px;font-weight:780}
    .metric .trend{color:var(--success);font-weight:950;font-size:13px}
    .service-matrix{
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:22px;
      align-items:start;
    }
    .rank-card,.matrix-card{
      padding:26px;
    }
    .rank-list{
      margin:0;
      padding:0;
      list-style:none;
      display:grid;
      gap:10px;
    }
    .rank-item{
      display:grid;
      grid-template-columns:38px 1fr auto;
      gap:12px;
      align-items:center;
      padding:13px;
      border-radius:16px;
      background:#f8fbff;
      border:1px solid rgba(219,230,243,.8);
    }
    .rank-no{
      width:34px;
      height:34px;
      border-radius:12px;
      display:grid;
      place-items:center;
      font-weight:950;
      color:#1955d8;
      background:#e8f0ff;
    }
    .rank-title{font-weight:900;color:var(--ink)}
    .rank-desc{display:block;color:var(--muted);font-size:13px;margin-top:2px}
    .rank-hot{
      color:var(--brand);
      font-weight:950;
      font-size:14px;
      white-space:nowrap;
    }
    .matrix-list{
      display:grid;
      gap:12px;
      margin-top:18px;
    }
    .matrix-row{
      display:grid;
      grid-template-columns:42px 1fr;
      gap:12px;
      align-items:start;
      padding:14px;
      border-radius:18px;
      background:#f8fbff;
      border:1px solid rgba(219,230,243,.82);
    }
    .matrix-icon{
      width:42px;
      height:42px;
      border-radius:14px;
      display:grid;
      place-items:center;
      color:#fff;
      background:linear-gradient(135deg,var(--brand),var(--brand-2));
      font-weight:950;
    }
    .matrix-row p{margin:0;color:var(--muted);font-size:14px}
    .news-layout{
      display:grid;
      grid-template-columns:minmax(0,1fr) 340px;
      gap:22px;
      align-items:start;
    }
    .news-list{
      padding:8px;
    }
    .news-item{
      display:grid;
      grid-template-columns:112px 1fr auto;
      gap:18px;
      align-items:center;
      padding:18px;
      border-radius:20px;
      transition:var(--ease);
      border:1px solid transparent;
    }
    .news-item:hover{
      background:#f8fbff;
      border-color:var(--line);
      transform:translateX(3px);
    }
    .news-date{
      color:#1c57d8;
      font-size:13px;
      font-weight:950;
      padding:8px 12px;
      border-radius:999px;
      background:#eaf2ff;
      text-align:center;
    }
    .news-title{
      color:var(--ink);
      font-weight:950;
      font-size:18px;
      margin-bottom:4px;
    }
    .news-summary{
      color:var(--muted);
      font-size:14px;
      margin:0;
    }
    .news-arrow{
      width:38px;
      height:38px;
      border-radius:999px;
      display:grid;
      place-items:center;
      color:var(--brand);
      background:#eef5ff;
      font-weight:950;
    }
    .recommend{
      padding:24px;
      position:sticky;
      top:96px;
    }
    .tag-cloud{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:16px;
    }
    .tag-cloud a{
      display:inline-flex;
      padding:8px 12px;
      border-radius:999px;
      background:#f4f8ff;
      color:#47607f;
      border:1px solid var(--line);
      font-weight:800;
      font-size:13px;
    }
    .tag-cloud a:hover{background:var(--brand);color:#fff;border-color:var(--brand)}
    .guide{
      background:
        linear-gradient(135deg, #0b1736, #102b67 58%, #0e5ad7);
      color:#dbeafe;
      overflow:hidden;
    }
    .guide h2,.guide h3{color:#fff}
    .guide .lead{color:#cfe2ff}
    .guide:before{
      content:"";
      position:absolute;
      inset:auto -120px -180px auto;
      width:480px;
      height:480px;
      border-radius:50%;
      background:radial-gradient(circle, rgba(14,165,233,.34), transparent 62%);
    }
    .steps{
      display:grid;
      grid-template-columns:repeat(4,minmax(0,1fr));
      gap:16px;
      margin-top:30px;
      position:relative;
      z-index:1;
    }
    .step-card{
      padding:24px;
      border-radius:24px;
      background:rgba(255,255,255,.10);
      border:1px solid rgba(255,255,255,.16);
      backdrop-filter:blur(12px);
      transition:var(--ease);
    }
    .step-card:hover{transform:translateY(-5px);background:rgba(255,255,255,.14)}
    .step-no{
      width:44px;
      height:44px;
      border-radius:16px;
      display:grid;
      place-items:center;
      background:#fff;
      color:#1551d1;
      font-weight:950;
      margin-bottom:18px;
    }
    .step-card p{color:#c9dcff;margin:0;font-size:14px}
    .compare-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:22px;
    }
    .compare-card{
      padding:28px;
    }
    .compare-card.em{
      background:linear-gradient(180deg,#ffffff,#eef5ff);
      border-color:rgba(30,99,255,.22);
    }
    .check-list{
      list-style:none;
      padding:0;
      margin:18px 0 0;
      display:grid;
      gap:12px;
    }
    .check-list li{
      position:relative;
      padding-left:30px;
      color:#52627b;
      font-weight:760;
    }
    .check-list li:before{
      content:"✓";
      position:absolute;
      left:0;
      top:0;
      width:21px;
      height:21px;
      border-radius:50%;
      display:grid;
      place-items:center;
      color:#fff;
      background:var(--success);
      font-size:13px;
      font-weight:950;
      line-height:1;
    }
    .check-list.muted li:before{background:#94a3b8}
    .faq-grid{
      display:grid;
      grid-template-columns:.85fr 1.15fr;
      gap:24px;
      align-items:start;
    }
    .faq-intro{
      padding:28px;
      background:linear-gradient(180deg,#fff,#eef5ff);
    }
    .faq-list{
      display:grid;
      gap:12px;
    }
    .faq-item{
      border-radius:20px;
      background:#fff;
      border:1px solid var(--line);
      box-shadow:var(--shadow-sm);
      overflow:hidden;
    }
    .faq-q{
      width:100%;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      padding:20px 22px;
      background:#fff;
      border:0;
      text-align:left;
      color:var(--ink);
      font-weight:950;
    }
    .faq-q span:last-child{
      width:28px;
      height:28px;
      border-radius:50%;
      display:grid;
      place-items:center;
      background:#eef5ff;
      color:var(--brand);
      transition:var(--ease);
      flex:0 0 auto;
    }
    .faq-a{
      display:none;
      padding:0 22px 20px;
      color:var(--muted);
      font-size:15px;
    }
    .faq-item.is-active .faq-a{display:block}
    .faq-item.is-active .faq-q span:last-child{transform:rotate(45deg);background:var(--brand);color:#fff}
    .contact-cta{
      padding:0 0 84px;
    }
    .cta-box{
      border-radius:32px;
      overflow:hidden;
      display:grid;
      grid-template-columns:1fr 420px;
      gap:0;
      background:#fff;
      border:1px solid rgba(219,230,243,.92);
      box-shadow:var(--shadow-lg);
    }
    .cta-copy{
      padding:38px;
      background:
        radial-gradient(circle at top right, rgba(30,99,255,.14), transparent 22rem),
        linear-gradient(180deg,#ffffff,#f6f9ff);
    }
    .cta-copy p{color:var(--muted);max-width:720px}
    .cta-points{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:22px;
    }
    .lead-form{
      padding:30px;
      background:linear-gradient(180deg,#0b1736,#122d66);
      color:#fff;
    }
    .lead-form h3{color:#fff}
    .form-row{
      display:grid;
      gap:12px;
      margin-top:16px;
    }
    .field{
      width:100%;
      min-height:48px;
      border-radius:14px;
      border:1px solid rgba(255,255,255,.18);
      background:rgba(255,255,255,.10);
      color:#fff;
      padding:12px 14px;
      outline:0;
      transition:var(--ease);
    }
    .field::placeholder{color:#b7caed}
    .field:focus{
      border-color:rgba(255,255,255,.46);
      background:rgba(255,255,255,.14);
    }
    textarea.field{min-height:96px;resize:vertical}
    .form-note{
      color:#b7caed;
      font-size:13px;
      margin:12px 0 0;
    }
    .site-footer{
      background:#071126;
      color:#b8c7df;
      padding:54px 0 26px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.2fr .8fr .8fr;
      gap:28px;
      padding-bottom:34px;
      border-bottom:1px solid rgba(255,255,255,.10);
    }
    .footer-brand{
      display:flex;
      align-items:center;
      gap:12px;
      color:#fff;
      font-weight:950;
      font-size:22px;
      margin-bottom:14px;
    }
    .footer-brand .brand-mark{
      width:40px;
      height:40px;
      box-shadow:none;
    }
    .footer-grid p{
      max-width:520px;
      color:#aabbd6;
      margin-bottom:0;
    }
    .footer-title{
      color:#fff;
      font-weight:950;
      margin-bottom:14px;
    }
    .footer-links{
      list-style:none;
      padding:0;
      margin:0;
      display:grid;
      gap:9px;
    }
    .footer-links a{color:#b8c7df}
    .footer-links a:hover{color:#fff}
    .copyright{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      padding-top:22px;
      color:#8fa1be;
      font-size:14px;
    }
    .safe-line{
      display:inline-flex;
      gap:8px;
      align-items:center;
    }
    .safe-line:before{
      content:"";
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--success);
      box-shadow:0 0 0 6px rgba(19,185,129,.12);
    }

    @media (max-width: 1100px){
      .mini-search{display:none}
      .floating-ticket{position:relative;right:auto;top:auto;margin:0 32px 34px;width:auto;max-width:430px}
      .flagship-inner{min-height:520px;padding-top:116px}
      .hero-data{grid-template-columns:repeat(3,1fr)}
      .calendar-wrap,.topics-layout,.service-matrix,.news-layout,.faq-grid,.cta-box{grid-template-columns:1fr}
      .calendar-track{grid-template-columns:repeat(2,minmax(0,1fr))}
      .recommend{position:static}
      .dash-grid,.steps{grid-template-columns:repeat(2,minmax(0,1fr))}
    }
    @media (max-width: 768px){
      :root{--nav-h:68px}
      .container{width:min(100% - 28px, var(--container))}
      .section{padding:58px 0}
      .section-head{display:block}
      .site-header .container{width:calc(100% - 24px)}
      .nav-shell{flex-wrap:wrap;gap:10px;padding:11px 0}
      .nav-toggle{display:flex;margin-left:auto}
      .nav-center,.nav-actions{
        display:none;
        width:100%;
      }
      .site-header.is-open .nav-center,
      .site-header.is-open .nav-actions{
        display:flex;
      }
      .nav-center{
        order:4;
        justify-content:flex-start;
        border-radius:18px;
        overflow-x:auto;
      }
      .nav-actions{
        order:5;
        justify-content:stretch;
      }
      .nav-actions .btn{width:100%}
      .brand{font-size:19px}
      .brand-mark{width:38px;height:38px;border-radius:13px}
      .hero{padding-top:18px}
      .flagship{border-radius:24px;min-height:0}
      .series-tabs{
        position:relative;
        top:auto;
        left:auto;
        right:auto;
        margin:14px;
        flex-direction:column;
        align-items:stretch;
      }
      .series-tabs .btn{width:100%}
      .flagship-inner{
        min-height:0;
        padding:26px 22px 28px;
      }
      .hero .lead{font-size:16px}
      .hero-actions{display:grid;grid-template-columns:1fr;gap:10px}
      .hero-data{grid-template-columns:1fr}
      .floating-ticket{margin:0 14px 18px}
      .calendar-track,.dash-grid,.steps,.compare-grid{grid-template-columns:1fr}
      .topic-card{grid-template-columns:48px 1fr}
      .topic-num{width:48px;height:48px}
      .news-item{
        grid-template-columns:1fr auto;
        gap:10px;
      }
      .news-date{
        grid-column:1 / -1;
        width:max-content;
      }
      .footer-grid{grid-template-columns:1fr}
      .copyright{display:block}
      .copyright span{display:block;margin-top:8px}
    }
    @media (max-width: 520px){
      body{font-size:15px}
      h1{font-size:32px}
      h2{font-size:27px}
      .btn{width:100%}
      .series-scroll{width:100%}
      .calendar-panel,.topic-feature,.rank-card,.matrix-card,.faq-intro,.cta-copy,.lead-form{padding:22px}
      .metric strong{font-size:31px}
      .rank-item{grid-template-columns:34px 1fr}
      .rank-hot{grid-column:2}
      .cta-box{border-radius:24px}
      .hot-strip{margin-left:-4px;margin-right:-4px}
      .burst-card{min-width:250px}
    }
