/* roulang page: index */
:root{
      --bg:#0b1020;
      --bg-soft:#111827;
      --surface:#ffffff;
      --surface-2:#f7f8fb;
      --surface-3:#eef2ff;
      --text:#101828;
      --text-soft:#5f6b7a;
      --muted:#8792a2;
      --white:#ffffff;
      --primary:#7c3aed;
      --primary-dark:#5b21b6;
      --primary-soft:#ede9fe;
      --accent:#22c55e;
      --accent-dark:#15803d;
      --warning:#f59e0b;
      --danger:#ef4444;
      --line:#e6e9f0;
      --line-dark:rgba(255,255,255,.14);
      --shadow-sm:0 8px 20px rgba(15,23,42,.08);
      --shadow-md:0 16px 40px rgba(15,23,42,.14);
      --shadow-lg:0 26px 70px rgba(15,23,42,.24);
      --radius-xs:10px;
      --radius-sm:14px;
      --radius:22px;
      --radius-lg:30px;
      --container:1180px;
      --nav-height:78px;
      --ease:cubic-bezier(.2,.8,.2,1);
    }

    *{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 8% 0%, rgba(124,58,237,.10), transparent 26rem),
        radial-gradient(circle at 92% 6%, rgba(34,197,94,.10), transparent 24rem),
        var(--surface-2);
      line-height:1.7;
      -webkit-font-smoothing:antialiased;
      text-rendering:optimizeLegibility;
    }
    a{color:inherit;text-decoration:none}
    img,svg,video{max-width:100%;display:block}
    button,input,textarea,select{font:inherit}
    button{border:0;cursor:pointer}
    ::selection{background:rgba(124,58,237,.22)}
    :focus-visible{outline:3px solid rgba(124,58,237,.35);outline-offset:3px;border-radius:10px}

    .container{
      width:min(var(--container), calc(100% - 40px));
      margin:0 auto;
    }
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      background:rgba(255,255,255,.86);
      backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(230,233,240,.88);
      box-shadow:0 10px 28px rgba(15,23,42,.05);
    }
    .brand-row{
      min-height:var(--nav-height);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:0;
      font-weight:900;
      letter-spacing:-.03em;
      color:#111827;
    }
    .brand-mark{
      width:44px;
      height:44px;
      border-radius:16px;
      background:
        linear-gradient(145deg, rgba(124,58,237,1), rgba(34,197,94,.96));
      color:white;
      display:grid;
      place-items:center;
      box-shadow:0 14px 28px rgba(124,58,237,.28);
      flex:0 0 auto;
    }
    .brand-name{
      font-size:17px;
      line-height:1.25;
      white-space:normal;
      max-width:420px;
    }
    .header-actions{
      display:flex;
      align-items:center;
      gap:12px;
      flex:0 0 auto;
    }
    .search-mini{
      position:relative;
      width:250px;
    }
    .search-mini input{
      width:100%;
      height:42px;
      padding:0 42px 0 14px;
      border:1px solid var(--line);
      border-radius:999px;
      background:#fff;
      color:var(--text);
      transition:border-color .25s var(--ease), box-shadow .25s var(--ease);
    }
    .search-mini input:focus{
      border-color:rgba(124,58,237,.55);
      box-shadow:0 0 0 5px rgba(124,58,237,.10);
      outline:none;
    }
    .search-mini span{
      position:absolute;
      right:14px;
      top:50%;
      transform:translateY(-50%);
      color:var(--muted);
      font-size:15px;
    }
    .menu-toggle{
      display:none;
      width:42px;
      height:42px;
      border-radius:14px;
      background:var(--primary-soft);
      color:var(--primary-dark);
      align-items:center;
      justify-content:center;
      transition:transform .2s var(--ease), background .2s var(--ease);
    }
    .menu-toggle:hover{transform:translateY(-1px);background:#ddd6fe}
    .icon-nav-wrap{
      border-top:1px solid rgba(230,233,240,.72);
      background:linear-gradient(180deg, rgba(255,255,255,.76), rgba(255,255,255,.58));
    }
    .icon-nav{
      display:flex;
      align-items:center;
      gap:12px;
      padding:12px 0;
      overflow-x:auto;
      scrollbar-width:none;
    }
    .icon-nav::-webkit-scrollbar{display:none}
    .nav-tile{
      display:flex;
      align-items:center;
      gap:10px;
      min-width:108px;
      padding:10px 14px;
      border:1px solid transparent;
      border-radius:18px;
      color:var(--text-soft);
      font-weight:800;
      transition:background .25s var(--ease), color .25s var(--ease), border-color .25s var(--ease), transform .25s var(--ease);
    }
    .nav-tile .nav-icon{
      width:32px;
      height:32px;
      border-radius:12px;
      display:grid;
      place-items:center;
      background:var(--surface-3);
      color:var(--primary);
      flex:0 0 auto;
    }
    .nav-tile:hover{
      background:#fff;
      border-color:var(--line);
      color:var(--primary-dark);
      transform:translateY(-1px);
    }
    .nav-tile.active{
      background:#111827;
      color:white;
      box-shadow:var(--shadow-sm);
    }
    .nav-tile.active .nav-icon{
      background:rgba(255,255,255,.15);
      color:white;
    }

    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      min-height:46px;
      padding:12px 18px;
      border-radius:999px;
      font-weight:900;
      letter-spacing:.01em;
      transition:transform .25s var(--ease), box-shadow .25s var(--ease), background .25s var(--ease), border-color .25s var(--ease), color .25s var(--ease);
      white-space:nowrap;
    }
    .btn-primary{
      color:white;
      background:linear-gradient(135deg, var(--primary), #a855f7);
      box-shadow:0 14px 34px rgba(124,58,237,.33);
    }
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 20px 42px rgba(124,58,237,.42)}
    .btn-secondary{
      color:#111827;
      background:#fff;
      border:1px solid rgba(255,255,255,.45);
      box-shadow:0 14px 30px rgba(15,23,42,.18);
    }
    .btn-secondary:hover{transform:translateY(-2px);background:#f8fafc}
    .btn-ghost{
      color:var(--primary-dark);
      background:var(--primary-soft);
      border:1px solid rgba(124,58,237,.12);
    }
    .btn-ghost:hover{background:#ddd6fe;transform:translateY(-1px)}
    .btn-dark{
      background:#111827;
      color:white;
      box-shadow:0 14px 32px rgba(17,24,39,.22);
    }
    .btn-dark:hover{transform:translateY(-2px);background:#020617}
    .badge{
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:7px 11px;
      border-radius:999px;
      font-size:13px;
      font-weight:900;
      color:var(--primary-dark);
      background:var(--primary-soft);
      border:1px solid rgba(124,58,237,.12);
    }
    .badge.dark{
      color:white;
      background:rgba(255,255,255,.12);
      border-color:rgba(255,255,255,.18);
      backdrop-filter:blur(8px);
    }
    .section{
      padding:86px 0;
      position:relative;
    }
    .section-tight{padding:58px 0}
    .section-dark{
      background:#0b1020;
      color:white;
      overflow:hidden;
    }
    .section-dark:before{
      content:"";
      position:absolute;
      inset:-20% -10% auto auto;
      width:520px;
      height:520px;
      background:radial-gradient(circle, rgba(124,58,237,.30), transparent 66%);
      pointer-events:none;
    }
    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:24px;
      margin-bottom:30px;
    }
    .section-kicker{
      color:var(--primary);
      font-weight:900;
      font-size:14px;
      letter-spacing:.08em;
      margin:0 0 8px;
    }
    .section-title{
      margin:0;
      font-size:clamp(28px, 4vw, 44px);
      line-height:1.14;
      letter-spacing:-.045em;
    }
    .section-desc{
      margin:12px 0 0;
      color:var(--text-soft);
      max-width:680px;
      font-size:16px;
    }
    .section-dark .section-desc{color:rgba(255,255,255,.72)}
    .section-side-note{
      max-width:330px;
      color:var(--text-soft);
      font-size:14px;
      background:#fff;
      border:1px solid var(--line);
      border-radius:18px;
      padding:15px 16px;
      box-shadow:var(--shadow-sm);
    }

    .hero{
      min-height:650px;
      color:white;
      position:relative;
      overflow:hidden;
      background:#050816;
    }
    .hero-video{
      position:absolute;
      inset:0;
      overflow:hidden;
      background:
        linear-gradient(115deg, rgba(5,8,22,.86) 0%, rgba(5,8,22,.62) 46%, rgba(124,58,237,.36) 100%),
        radial-gradient(circle at 22% 26%, rgba(34,197,94,.38), transparent 25rem),
        radial-gradient(circle at 80% 18%, rgba(168,85,247,.42), transparent 28rem),
        linear-gradient(135deg, #111827, #1f1147 52%, #052e2b);
    }
    .hero-video:before{
      content:"";
      position:absolute;
      inset:0;
      background-image:
        linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.045) 1px, transparent 1px);
      background-size:48px 48px;
      mask-image:linear-gradient(180deg, rgba(0,0,0,.8), rgba(0,0,0,.12));
    }
    .hero-video:after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg, transparent 0%, rgba(5,8,22,.10) 48%, rgba(5,8,22,.92) 100%);
    }
    .hero-inner{
      position:relative;
      z-index:2;
      min-height:650px;
      display:grid;
      align-items:center;
      padding:86px 0 72px;
    }
    .hero-content{
      max-width:930px;
    }
    .hero-brand{
      display:flex;
      align-items:center;
      gap:10px;
      margin-bottom:22px;
      flex-wrap:wrap;
    }
    .hero h1{
      margin:0;
      font-size:clamp(38px, 7vw, 76px);
      line-height:1.03;
      letter-spacing:-.065em;
      max-width:980px;
      text-wrap:balance;
    }
    .hero-lead{
      margin:24px 0 0;
      max-width:780px;
      color:rgba(255,255,255,.78);
      font-size:18px;
      line-height:1.85;
    }
    .hero-actions{
      display:flex;
      align-items:center;
      gap:14px;
      flex-wrap:wrap;
      margin-top:34px;
    }
    .play-trigger{
      width:64px;
      height:64px;
      border-radius:50%;
      display:grid;
      place-items:center;
      background:rgba(255,255,255,.14);
      color:white;
      border:1px solid rgba(255,255,255,.28);
      box-shadow:0 18px 40px rgba(0,0,0,.28);
      backdrop-filter:blur(12px);
      transition:transform .25s var(--ease), background .25s var(--ease);
    }
    .play-trigger:hover{
      transform:scale(1.06);
      background:rgba(255,255,255,.22);
    }
    .hero-proof{
      margin-top:42px;
      display:grid;
      grid-template-columns:repeat(3, minmax(0, 1fr));
      gap:14px;
      max-width:780px;
    }
    .proof-item{
      padding:18px;
      border-radius:22px;
      background:rgba(255,255,255,.10);
      border:1px solid rgba(255,255,255,.16);
      backdrop-filter:blur(14px);
    }
    .proof-value{
      font-size:25px;
      line-height:1;
      font-weight:950;
      letter-spacing:-.03em;
    }
    .proof-label{
      margin-top:8px;
      color:rgba(255,255,255,.68);
      font-size:13px;
    }
    .hero-marquee{
      position:absolute;
      left:0;
      right:0;
      bottom:0;
      z-index:3;
      border-top:1px solid rgba(255,255,255,.12);
      background:rgba(5,8,22,.68);
      backdrop-filter:blur(16px);
      overflow:hidden;
    }
    .marquee-track{
      display:flex;
      gap:28px;
      padding:13px 0;
      width:max-content;
      animation:slide 28s linear infinite;
      color:rgba(255,255,255,.72);
      font-size:14px;
      font-weight:700;
    }
    .marquee-track span:before{
      content:"●";
      color:var(--accent);
      margin-right:10px;
    }
    @keyframes slide{
      from{transform:translateX(0)}
      to{transform:translateX(-50%)}
    }

    .story-layout{
      display:grid;
      grid-template-columns:1.05fr .95fr;
      gap:34px;
      align-items:center;
    }
    .story-card{
      background:#fff;
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      padding:34px;
      box-shadow:var(--shadow-md);
    }
    .story-card p{color:var(--text-soft);margin:14px 0 0}
    .story-timeline{
      display:grid;
      gap:14px;
    }
    .timeline-item{
      display:grid;
      grid-template-columns:auto 1fr;
      gap:14px;
      align-items:start;
      padding:18px;
      background:#fff;
      border:1px solid var(--line);
      border-radius:22px;
      box-shadow:var(--shadow-sm);
      transition:transform .25s var(--ease), box-shadow .25s var(--ease);
    }
    .timeline-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}
    .timeline-dot{
      width:38px;
      height:38px;
      border-radius:14px;
      display:grid;
      place-items:center;
      background:var(--primary-soft);
      color:var(--primary);
      font-weight:950;
    }
    .timeline-item h3{margin:0;font-size:17px}
    .timeline-item p{margin:5px 0 0;color:var(--text-soft);font-size:14px}

    .metrics-strip{
      display:grid;
      grid-template-columns:repeat(4, minmax(0,1fr));
      gap:16px;
      margin-top:28px;
    }
    .metric-card{
      background:#fff;
      border:1px solid var(--line);
      border-radius:24px;
      padding:22px;
      box-shadow:var(--shadow-sm);
      position:relative;
      overflow:hidden;
    }
    .metric-card:after{
      content:"";
      position:absolute;
      right:-34px;
      top:-34px;
      width:96px;
      height:96px;
      border-radius:50%;
      background:rgba(124,58,237,.09);
    }
    .metric-number{
      font-size:32px;
      font-weight:950;
      letter-spacing:-.05em;
      color:#111827;
    }
    .metric-label{color:var(--text-soft);font-size:14px;margin-top:6px}
    .metric-trend{
      display:inline-flex;
      margin-top:14px;
      padding:4px 9px;
      border-radius:999px;
      color:var(--accent-dark);
      background:rgba(34,197,94,.12);
      font-size:12px;
      font-weight:900;
    }

    .featured-grid{
      display:grid;
      grid-template-columns:1.2fr .8fr;
      gap:20px;
    }
    .feature-main{
      min-height:390px;
      border-radius:var(--radius-lg);
      padding:34px;
      color:white;
      position:relative;
      overflow:hidden;
      background:
        linear-gradient(140deg, rgba(17,24,39,.92), rgba(91,33,182,.82)),
        radial-gradient(circle at 78% 18%, rgba(34,197,94,.55), transparent 18rem);
      box-shadow:var(--shadow-lg);
    }
    .feature-main:before{
      content:"";
      position:absolute;
      inset:0;
      background-image:linear-gradient(135deg, rgba(255,255,255,.12) 0 1px, transparent 1px);
      background-size:26px 26px;
      opacity:.35;
    }
    .feature-main > *{position:relative}
    .feature-main h3{
      margin:18px 0 12px;
      max-width:620px;
      font-size:clamp(26px, 3.4vw, 42px);
      line-height:1.14;
      letter-spacing:-.045em;
    }
    .feature-main p{color:rgba(255,255,255,.72);max-width:610px;margin:0}
    .feature-tags{
      display:flex;
      gap:10px;
      flex-wrap:wrap;
      margin-top:28px;
    }
    .feature-tag{
      padding:8px 11px;
      border-radius:999px;
      background:rgba(255,255,255,.12);
      border:1px solid rgba(255,255,255,.18);
      color:rgba(255,255,255,.88);
      font-size:13px;
      font-weight:800;
    }
    .feature-list{
      display:grid;
      gap:16px;
    }
    .content-card{
      background:#fff;
      border:1px solid var(--line);
      border-radius:24px;
      padding:22px;
      box-shadow:var(--shadow-sm);
      transition:transform .25s var(--ease), box-shadow .25s var(--ease), border-color .25s var(--ease);
    }
    .content-card:hover{
      transform:translateY(-4px);
      box-shadow:var(--shadow-md);
      border-color:rgba(124,58,237,.28);
    }
    .content-card h3{margin:12px 0 6px;font-size:19px;letter-spacing:-.02em}
    .content-card p{margin:0;color:var(--text-soft);font-size:14px}
    .card-icon{
      width:44px;
      height:44px;
      border-radius:16px;
      display:grid;
      place-items:center;
      color:var(--primary);
      background:var(--primary-soft);
      font-size:21px;
    }

    .service-matrix{
      display:grid;
      grid-template-columns:repeat(3, minmax(0,1fr));
      gap:18px;
    }
    .service-item{
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.14);
      border-radius:26px;
      padding:24px;
      position:relative;
      z-index:1;
      transition:transform .25s var(--ease), background .25s var(--ease), border-color .25s var(--ease);
    }
    .service-item:hover{
      transform:translateY(-4px);
      background:rgba(255,255,255,.12);
      border-color:rgba(255,255,255,.28);
    }
    .service-item h3{margin:14px 0 8px;font-size:20px}
    .service-item p{margin:0;color:rgba(255,255,255,.68);font-size:14px}
    .service-icon{
      width:48px;
      height:48px;
      border-radius:18px;
      display:grid;
      place-items:center;
      color:#111827;
      background:linear-gradient(135deg, #fff, #c4b5fd);
      font-size:22px;
      font-weight:950;
    }

    .comparison-wrap{
      display:grid;
      grid-template-columns:.9fr 1.1fr;
      gap:24px;
      align-items:start;
    }
    .compare-panel{
      background:#fff;
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      padding:26px;
      box-shadow:var(--shadow-md);
    }
    .compare-list{
      margin:18px 0 0;
      padding:0;
      list-style:none;
      display:grid;
      gap:12px;
    }
    .compare-list li{
      display:flex;
      gap:10px;
      align-items:flex-start;
      color:var(--text-soft);
    }
    .check{
      width:22px;
      height:22px;
      border-radius:50%;
      display:grid;
      place-items:center;
      background:rgba(34,197,94,.14);
      color:var(--accent-dark);
      font-weight:950;
      flex:0 0 auto;
      margin-top:2px;
    }
    .compare-table{
      width:100%;
      border-collapse:separate;
      border-spacing:0;
      overflow:hidden;
      border:1px solid var(--line);
      border-radius:24px;
      background:#fff;
      box-shadow:var(--shadow-sm);
    }
    .compare-table th,
    .compare-table td{
      padding:17px 16px;
      border-bottom:1px solid var(--line);
      text-align:left;
      vertical-align:top;
      font-size:14px;
    }
    .compare-table th{
      background:#111827;
      color:white;
      font-size:15px;
    }
    .compare-table tr:last-child td{border-bottom:0}
    .compare-table td:nth-child(2){
      color:var(--primary-dark);
      font-weight:900;
      background:rgba(237,233,254,.45);
    }
    .compare-table td:nth-child(3){color:var(--text-soft)}

    .bubble-wall{
      display:grid;
      grid-template-columns:.82fr 1.18fr;
      gap:24px;
      align-items:stretch;
    }
    .score-card{
      background:#111827;
      color:white;
      border-radius:var(--radius-lg);
      padding:30px;
      position:relative;
      overflow:hidden;
      box-shadow:var(--shadow-lg);
    }
    .score-card:after{
      content:"";
      position:absolute;
      right:-60px;
      bottom:-80px;
      width:240px;
      height:240px;
      border-radius:50%;
      background:rgba(124,58,237,.48);
      filter:blur(2px);
    }
    .score-value{
      position:relative;
      z-index:1;
      font-size:76px;
      line-height:1;
      font-weight:950;
      letter-spacing:-.08em;
    }
    .score-card p{
      position:relative;
      z-index:1;
      color:rgba(255,255,255,.72);
      margin:14px 0 0;
    }
    .stars{
      position:relative;
      z-index:1;
      color:#fbbf24;
      font-size:22px;
      letter-spacing:2px;
      margin-top:16px;
    }
    .bubble-list{
      display:grid;
      grid-template-columns:repeat(2,minmax(0,1fr));
      gap:16px;
    }
    .bubble{
      background:#fff;
      border:1px solid var(--line);
      border-radius:26px 26px 26px 10px;
      padding:22px;
      box-shadow:var(--shadow-sm);
      transition:transform .25s var(--ease), box-shadow .25s var(--ease);
    }
    .bubble:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
    .bubble p{margin:0;color:var(--text-soft);font-size:14px}
    .bubble strong{display:block;margin-top:16px;color:#111827}
    .bubble small{display:block;color:var(--muted);margin-top:2px}

    .ranking-card{
      background:#fff;
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      overflow:hidden;
      box-shadow:var(--shadow-md);
    }
    .ranking-row{
      display:grid;
      grid-template-columns:56px 1fr 90px 90px;
      gap:14px;
      align-items:center;
      padding:16px 20px;
      border-bottom:1px solid var(--line);
    }
    .ranking-row:last-child{border-bottom:0}
    .ranking-head{
      background:#f3f4f8;
      color:var(--text-soft);
      font-weight:900;
      font-size:13px;
    }
    .rank-no{
      width:34px;
      height:34px;
      border-radius:12px;
      display:grid;
      place-items:center;
      background:var(--primary-soft);
      color:var(--primary-dark);
      font-weight:950;
    }
    .rank-title{font-weight:900}
    .rank-title span{display:block;color:var(--text-soft);font-weight:500;font-size:13px;margin-top:2px}
    .rank-num{font-weight:900;color:#111827}
    .rank-trend{
      display:inline-flex;
      justify-content:center;
      padding:5px 8px;
      border-radius:999px;
      color:var(--accent-dark);
      background:rgba(34,197,94,.12);
      font-size:12px;
      font-weight:900;
    }

    .news-layout{
      display:grid;
      grid-template-columns:1.15fr .85fr;
      gap:24px;
      align-items:start;
    }
    .news-list{
      background:#fff;
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      padding:10px;
      box-shadow:var(--shadow-md);
    }
    .news-item{
      display:grid;
      grid-template-columns:auto 1fr auto;
      gap:14px;
      align-items:center;
      padding:17px;
      border-radius:20px;
      transition:background .22s var(--ease), transform .22s var(--ease);
    }
    .news-item:hover{
      background:#f7f5ff;
      transform:translateX(3px);
    }
    .news-date{
      width:58px;
      height:58px;
      border-radius:18px;
      display:grid;
      place-items:center;
      background:#111827;
      color:white;
      font-weight:950;
      line-height:1.1;
      text-align:center;
      font-size:14px;
      flex:0 0 auto;
    }
    .news-item h3{margin:0;font-size:17px}
    .news-item p{margin:4px 0 0;color:var(--text-soft);font-size:14px}
    .news-arrow{color:var(--primary);font-weight:950}
    .recommend-box{
      background:#fff;
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      padding:26px;
      box-shadow:var(--shadow-sm);
    }
    .recommend-box h3{margin:0 0 12px}
    .mini-links{
      margin:16px 0 0;
      padding:0;
      list-style:none;
      display:grid;
      gap:10px;
    }
    .mini-links a{
      display:flex;
      justify-content:space-between;
      align-items:center;
      padding:12px 14px;
      border-radius:16px;
      background:#f8fafc;
      color:var(--text-soft);
      transition:background .22s var(--ease), color .22s var(--ease);
    }
    .mini-links a:hover{background:var(--primary-soft);color:var(--primary-dark)}

    .faq-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:16px;
    }
    .faq-item{
      background:#fff;
      border:1px solid var(--line);
      border-radius:24px;
      padding:22px;
      box-shadow:var(--shadow-sm);
    }
    .faq-item h3{
      margin:0 0 9px;
      font-size:18px;
      letter-spacing:-.02em;
    }
    .faq-item p{
      margin:0;
      color:var(--text-soft);
      font-size:14px;
    }

    .subscribe{
      padding:82px 0;
      background:
        radial-gradient(circle at 12% 20%, rgba(34,197,94,.20), transparent 22rem),
        radial-gradient(circle at 86% 12%, rgba(124,58,237,.24), transparent 28rem),
        #111827;
      color:white;
      position:relative;
      overflow:hidden;
    }
    .subscribe-panel{
      display:grid;
      grid-template-columns:.9fr 1.1fr;
      gap:28px;
      align-items:center;
      position:relative;
      z-index:1;
    }
    .subscribe-copy h2{
      margin:12px 0 12px;
      font-size:clamp(30px, 4.8vw, 54px);
      line-height:1.08;
      letter-spacing:-.055em;
    }
    .subscribe-copy p{
      margin:0;
      color:rgba(255,255,255,.72);
      max-width:570px;
    }
    .benefit-grid{
      display:grid;
      grid-template-columns:repeat(2,minmax(0,1fr));
      gap:12px;
      margin-top:26px;
    }
    .benefit{
      display:flex;
      gap:10px;
      align-items:center;
      padding:13px 14px;
      border-radius:18px;
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.12);
      color:rgba(255,255,255,.84);
      font-weight:800;
      font-size:14px;
    }
    .lead-form{
      background:rgba(255,255,255,.96);
      color:var(--text);
      border-radius:var(--radius-lg);
      padding:28px;
      box-shadow:var(--shadow-lg);
    }
    .lead-form h3{margin:0 0 8px;font-size:24px;letter-spacing:-.03em}
    .lead-form p{margin:0 0 18px;color:var(--text-soft);font-size:14px}
    .form-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:12px;
    }
    .field{display:grid;gap:7px}
    .field.full{grid-column:1/-1}
    .field label{font-weight:900;font-size:13px;color:#344054}
    .field input,
    .field textarea{
      width:100%;
      border:1px solid var(--line);
      border-radius:16px;
      padding:13px 14px;
      background:#fff;
      color:var(--text);
      transition:border-color .22s var(--ease), box-shadow .22s var(--ease);
    }
    .field textarea{min-height:92px;resize:vertical}
    .field input:focus,
    .field textarea:focus{
      border-color:rgba(124,58,237,.55);
      box-shadow:0 0 0 5px rgba(124,58,237,.10);
      outline:none;
    }
    .privacy-note{
      margin:14px 0 0;
      color:var(--muted);
      font-size:12px;
    }
    .form-message{
      display:none;
      margin-top:14px;
      padding:12px 14px;
      border-radius:16px;
      background:rgba(34,197,94,.12);
      color:var(--accent-dark);
      font-weight:800;
      font-size:14px;
    }
    .form-message.show{display:block}

    .site-footer{
      background:#080b16;
      color:rgba(255,255,255,.74);
      padding:46px 0 30px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.15fr .85fr;
      gap:24px;
      align-items:start;
    }
    .footer-brand{
      display:flex;
      align-items:center;
      gap:12px;
      color:#fff;
      font-weight:950;
      letter-spacing:-.03em;
      margin-bottom:12px;
    }
    .footer-brand .brand-mark{width:40px;height:40px;border-radius:14px}
    .footer-text{max-width:660px;margin:0;color:rgba(255,255,255,.62)}
    .footer-links{
      display:flex;
      justify-content:flex-end;
      gap:12px;
      flex-wrap:wrap;
    }
    .footer-links a{
      padding:9px 12px;
      border-radius:999px;
      background:rgba(255,255,255,.06);
      color:rgba(255,255,255,.76);
      transition:background .22s var(--ease), color .22s var(--ease);
    }
    .footer-links a:hover{background:rgba(255,255,255,.12);color:#fff}
    .copyright{
      margin-top:30px;
      padding-top:20px;
      border-top:1px solid rgba(255,255,255,.10);
      display:flex;
      justify-content:space-between;
      gap:14px;
      flex-wrap:wrap;
      color:rgba(255,255,255,.48);
      font-size:13px;
    }

    .modal{
      position:fixed;
      inset:0;
      z-index:100;
      display:none;
      align-items:center;
      justify-content:center;
      padding:20px;
      background:rgba(2,6,23,.72);
      backdrop-filter:blur(8px);
    }
    .modal.show{display:flex}
    .modal-card{
      width:min(620px, 100%);
      border-radius:28px;
      background:#fff;
      padding:28px;
      box-shadow:var(--shadow-lg);
    }
    .modal-card h2{margin:0 0 10px;font-size:28px;letter-spacing:-.04em}
    .modal-card p{margin:0;color:var(--text-soft)}
    .modal-actions{
      display:flex;
      justify-content:flex-end;
      gap:12px;
      margin-top:22px;
      flex-wrap:wrap;
    }

    @media (max-width:1024px){
      :root{--nav-height:70px}
      .container{width:min(100% - 32px, var(--container))}
      .search-mini{width:210px}
      .story-layout,
      .featured-grid,
      .comparison-wrap,
      .bubble-wall,
      .news-layout,
      .subscribe-panel,
      .footer-grid{
        grid-template-columns:1fr;
      }
      .metrics-strip{grid-template-columns:repeat(2,minmax(0,1fr))}
      .service-matrix{grid-template-columns:repeat(2,minmax(0,1fr))}
      .section-head{align-items:flex-start;flex-direction:column}
      .section-side-note{max-width:none}
      .footer-links{justify-content:flex-start}
    }

    @media (max-width:768px){
      .brand-row{min-height:66px}
      .brand-name{font-size:15px;max-width:260px}
      .brand-mark{width:40px;height:40px;border-radius:14px}
      .search-mini{display:none}
      .menu-toggle{display:flex}
      .icon-nav-wrap{
        display:none;
        position:absolute;
        left:0;
        right:0;
        top:66px;
        border-top:1px solid var(--line);
        border-bottom:1px solid var(--line);
        box-shadow:0 18px 38px rgba(15,23,42,.10);
      }
      .icon-nav-wrap.open{display:block}
      .icon-nav{
        display:grid;
        grid-template-columns:repeat(2,minmax(0,1fr));
        padding:14px 0;
      }
      .nav-tile{min-width:0;justify-content:flex-start;background:#fff;border-color:var(--line)}
      .hero,.hero-inner{min-height:620px}
      .hero-inner{padding:66px 0 74px}
      .hero-proof{grid-template-columns:1fr}
      .play-trigger{width:58px;height:58px}
      .section{padding:64px 0}
      .metrics-strip,
      .service-matrix,
      .bubble-list,
      .faq-grid,
      .benefit-grid,
      .form-grid{
        grid-template-columns:1fr;
      }
      .field.full{grid-column:auto}
      .ranking-row{
        grid-template-columns:42px 1fr;
      }
      .ranking-row .rank-num,
      .ranking-row .rank-trend,
      .ranking-head{
        display:none;
      }
      .news-item{
        grid-template-columns:auto 1fr;
      }
      .news-arrow{display:none}
    }

    @media (max-width:520px){
      .container{width:min(100% - 24px, var(--container))}
      .brand-name{max-width:210px}
      .hero h1{font-size:38px}
      .hero-lead{font-size:16px}
      .hero-actions .btn{width:100%}
      .hero-actions .play-trigger{margin:0 auto}
      .story-card,
      .feature-main,
      .compare-panel,
      .score-card,
      .recommend-box,
      .lead-form{
        padding:22px;
        border-radius:24px;
      }
      .compare-table th,
      .compare-table td{
        padding:13px 10px;
        font-size:13px;
      }
      .news-date{width:50px;height:50px;border-radius:16px}
      .copyright{flex-direction:column}
    }