/* roulang page: index */
:root{
      --bg:#07111F;
      --bg-deep:#050A14;
      --bg-soft:#0B1E36;
      --primary:#1B7CFF;
      --secondary:#31E981;
      --accent:#FFB020;
      --cyan:#35D6FF;
      --text:#F4F8FF;
      --muted:#B9C7D9;
      --weak:#7F91AA;
      --line:rgba(135,180,255,.16);
      --line-strong:rgba(135,180,255,.32);
      --glass:rgba(10,25,48,.62);
      --glass-strong:rgba(14,35,66,.78);
      --glow:0 0 34px rgba(53,214,255,.28);
      --shadow:0 18px 60px rgba(0,0,0,.35);
      --radius-xl:32px;
      --radius-lg:24px;
      --radius-md:18px;
      --max:1240px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      min-height:100vh;
      font-family:system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 12% 8%, rgba(27,124,255,.22), transparent 32%),
        radial-gradient(circle at 88% 12%, rgba(49,233,129,.14), transparent 28%),
        radial-gradient(circle at 48% 55%, rgba(53,214,255,.08), transparent 42%),
        linear-gradient(180deg,#081426 0%,#07111F 48%,#050A14 100%);
      line-height:1.75;
      overflow-x:hidden;
    }
    body:before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      background-image:
        linear-gradient(rgba(135,180,255,.045) 1px, transparent 1px),
        linear-gradient(90deg, rgba(135,180,255,.045) 1px, transparent 1px);
      background-size:42px 42px;
      mask-image:linear-gradient(180deg, rgba(0,0,0,.88), transparent 78%);
      z-index:-2;
    }
    body:after{
      content:"";
      position:fixed;
      inset:auto -20% -30% -20%;
      height:48vh;
      background:radial-gradient(ellipse at center, rgba(49,233,129,.12), transparent 62%);
      pointer-events:none;
      z-index:-1;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer}
    ::selection{background:rgba(53,214,255,.28);color:#fff}
    .site-container{width:min(var(--max), calc(100% - 40px));margin-inline:auto}
    .glass{
      background:linear-gradient(145deg, rgba(255,255,255,.08), rgba(10,25,48,.56));
      border:1px solid var(--line);
      box-shadow:var(--shadow);
      backdrop-filter:blur(18px);
      -webkit-backdrop-filter:blur(18px);
    }
    .section{padding:94px 0}
    .section-tight{padding:70px 0}
    .eyebrow{
      display:inline-flex;align-items:center;gap:8px;
      padding:7px 12px;border:1px solid rgba(53,214,255,.24);
      border-radius:999px;background:rgba(27,124,255,.12);
      color:#DFF7FF;font-size:13px;letter-spacing:.04em;
    }
    .eyebrow:before{
      content:"";width:8px;height:8px;border-radius:50%;
      background:var(--secondary);box-shadow:0 0 16px rgba(49,233,129,.75);
    }
    .gradient-text{background:linear-gradient(90deg,#fff 0%,#35D6FF 48%,#31E981 100%);-webkit-background-clip:text;background-clip:text;color:transparent}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:9px;
      min-height:46px;padding:12px 19px;border-radius:999px;
      border:1px solid transparent;font-weight:700;font-size:15px;
      transition:transform .22s ease, box-shadow .22s ease, border-color .22s ease, background .22s ease;
      white-space:nowrap;
    }
    .btn-primary{
      color:white;background:linear-gradient(135deg,var(--primary),var(--cyan));
      box-shadow:0 0 24px rgba(53,214,255,.35), inset 0 1px 0 rgba(255,255,255,.22);
    }
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 36px rgba(53,214,255,.48),0 12px 28px rgba(27,124,255,.22)}
    .btn-secondary{
      background:rgba(255,255,255,.06);border-color:rgba(135,180,255,.24);color:#EAF5FF;
    }
    .btn-secondary:hover{background:rgba(255,255,255,.1);border-color:rgba(53,214,255,.46);transform:translateY(-2px)}
    .btn:focus-visible,.nav-link:focus-visible,.search-shell:focus-within,input:focus,textarea:focus,select:focus{
      outline:2px solid rgba(53,214,255,.72);outline-offset:3px;
    }
    .tag{
      display:inline-flex;align-items:center;gap:6px;
      border:1px solid rgba(135,180,255,.18);
      background:rgba(255,255,255,.045);
      color:#CDE6FA;border-radius:999px;
      padding:6px 10px;font-size:12px;line-height:1.2;
      transition:.2s ease;
    }
    .tag:hover{border-color:rgba(53,214,255,.45);color:#fff;background:rgba(53,214,255,.09)}
    .tag.hot{border-color:rgba(255,176,32,.28);color:#FFE2A6;background:rgba(255,176,32,.08)}
    .tag.live{border-color:rgba(49,233,129,.32);color:#BDFBD9;background:rgba(49,233,129,.08)}
    .site-header{
      position:sticky;top:0;z-index:50;
      background:rgba(5,10,20,.78);
      border-bottom:1px solid rgba(135,180,255,.14);
      backdrop-filter:blur(20px);
      -webkit-backdrop-filter:blur(20px);
      transition:box-shadow .25s ease, background .25s ease;
    }
    .site-header.is-scrolled{box-shadow:0 16px 44px rgba(0,0,0,.34);background:rgba(5,10,20,.9)}
    .topbar{min-height:68px;display:flex;align-items:center;gap:18px}
    .logo{
      display:flex;align-items:center;gap:10px;flex:0 0 auto;
      font-weight:900;letter-spacing:.02em;
    }
    .logo-mark{
      width:40px;height:40px;border-radius:15px;
      background:
        linear-gradient(135deg, rgba(27,124,255,.95), rgba(53,214,255,.85) 55%, rgba(49,233,129,.9));
      box-shadow:0 0 24px rgba(53,214,255,.35);
      position:relative;overflow:hidden;
    }
    .logo-mark:before,.logo-mark:after{content:"";position:absolute;inset:10px 7px;border:2px solid rgba(255,255,255,.65);border-left:0;border-right:0;transform:skewX(-12deg)}
    .logo-mark:after{inset:7px 15px;border:0;border-left:2px solid rgba(255,255,255,.55);border-right:2px solid rgba(255,255,255,.55)}
    .logo span{font-size:20px;color:#fff}
    .desktop-nav{display:flex;align-items:center;gap:4px;margin-left:10px}
    .nav-link{
      position:relative;padding:9px 11px;border-radius:999px;
      color:#BFD0E5;font-size:14px;font-weight:650;
      transition:.2s ease;
    }
    .nav-link:hover{color:#fff;background:rgba(255,255,255,.07)}
    .nav-link.active{color:#fff;background:rgba(27,124,255,.14)}
    .nav-link.active:after{
      content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);
      width:20px;height:3px;border-radius:999px;
      background:linear-gradient(90deg,var(--primary),var(--secondary));
      box-shadow:0 0 14px rgba(53,214,255,.7);
    }
    .nav-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
    .search-shell{
      display:flex;align-items:center;gap:8px;width:265px;
      padding:9px 13px;border:1px solid rgba(135,180,255,.18);
      border-radius:999px;background:rgba(255,255,255,.055);
      color:#7F91AA;transition:.2s ease;
    }
    .search-shell input{
      width:100%;border:0;outline:0;background:transparent;color:#fff;font-size:13px;
    }
    .search-shell input::placeholder{color:#7F91AA}
    .menu-toggle{
      display:none;width:42px;height:42px;border-radius:14px;border:1px solid rgba(135,180,255,.22);
      background:rgba(255,255,255,.06);color:#fff;
    }
    .trend-row{
      border-top:1px solid rgba(135,180,255,.09);
      min-height:42px;display:flex;align-items:center;
    }
    .trend-inner{display:flex;align-items:center;gap:10px;overflow-x:auto;padding:8px 0;scrollbar-width:none}
    .trend-inner::-webkit-scrollbar{display:none}
    .trend-label{color:#7F91AA;font-size:13px;white-space:nowrap}
    .mobile-panel{
      display:none;border-top:1px solid rgba(135,180,255,.12);padding:12px 0 16px;
    }
    .mobile-panel.open{display:block}
    .mobile-panel .nav-link{display:flex;margin:4px 0;padding:11px 13px}
    .hero{
      position:relative;padding:82px 0 64px;overflow:hidden;
      background:
        linear-gradient(90deg, rgba(7,17,31,.96), rgba(7,17,31,.74) 52%, rgba(7,17,31,.94)),
        url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
    }
    .hero:after{
      content:"";position:absolute;inset:0;
      background:
        radial-gradient(circle at 68% 18%, rgba(53,214,255,.22), transparent 34%),
        linear-gradient(180deg, transparent 0%, #07111F 96%);
      pointer-events:none;
    }
    .hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:7fr 5fr;gap:34px;align-items:center}
    .hero h1{font-size:clamp(42px,6vw,72px);line-height:1.08;letter-spacing:-.05em;margin:22px 0 20px;font-weight:950}
    .hero p.lead{font-size:18px;color:#C7D7EA;max-width:720px;line-height:1.85}
    .trust-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
    .scoreboard{border-radius:var(--radius-xl);padding:22px;position:relative;overflow:hidden}
    .scoreboard:before{
      content:"";position:absolute;inset:-1px;background:radial-gradient(circle at 80% 0%, rgba(49,233,129,.18), transparent 36%);
      pointer-events:none;
    }
    .match-card{
      position:relative;border-radius:22px;padding:18px;
      background:rgba(255,255,255,.06);border:1px solid rgba(135,180,255,.16);
      margin-bottom:14px;
    }
    .score-line{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:14px 0}
    .team{font-weight:800;color:#fff}
    .score{font-size:30px;font-weight:950;font-variant-numeric:tabular-nums;color:#fff}
    .timeline-item{display:grid;grid-template-columns:72px 1fr auto;gap:12px;align-items:center;padding:12px 0;border-top:1px solid rgba(135,180,255,.12)}
    .time{color:#92A7BE;font-variant-numeric:tabular-nums;font-size:13px}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:34px}
    .section-head h2{font-size:clamp(30px,4vw,48px);line-height:1.16;font-weight:920;letter-spacing:-.035em}
    .section-head p{color:#AFC1D7;max-width:560px}
    .feature-grid{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      grid-auto-rows:minmax(190px,auto);
      gap:18px;
    }
    .feature-card{
      border-radius:26px;padding:24px;position:relative;overflow:hidden;
      transition:transform .24s ease,border-color .24s ease,box-shadow .24s ease,background .24s ease;
    }
    .feature-card:hover,.masonry-card:hover,.compare-card:hover,.review-card:hover{
      transform:translateY(-4px);border-color:rgba(53,214,255,.42);box-shadow:0 20px 70px rgba(0,0,0,.42),0 0 28px rgba(53,214,255,.16);
    }
    .feature-card.large{grid-column:span 2;grid-row:span 2;padding:30px;background:linear-gradient(145deg,rgba(27,124,255,.18),rgba(10,25,48,.58))}
    .feature-icon{
      width:46px;height:46px;border-radius:17px;display:grid;place-items:center;
      background:rgba(53,214,255,.12);border:1px solid rgba(53,214,255,.24);box-shadow:inset 0 1px 0 rgba(255,255,255,.1);
      margin-bottom:18px;font-size:22px;
    }
    .feature-card h3{font-size:22px;line-height:1.3;font-weight:850;margin-bottom:10px}
    .feature-card p{color:#B9C7D9;font-size:15px}
    .metric-row{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:24px}
    .metric{border:1px solid rgba(135,180,255,.14);border-radius:18px;padding:16px;background:rgba(255,255,255,.045)}
    .metric strong{display:block;font-size:28px;font-weight:950;color:#fff;font-variant-numeric:tabular-nums}
    .metric span{font-size:13px;color:#8EA2BA}
    .channel-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
    .channel-card{
      min-height:250px;border-radius:28px;overflow:hidden;position:relative;
      border:1px solid var(--line);background:#0A1930;
      transition:.24s ease;
    }
    .channel-card:hover{transform:translateY(-4px);border-color:rgba(53,214,255,.42);box-shadow:var(--glow)}
    .channel-card img{height:100%;width:100%;object-fit:cover;position:absolute;inset:0;transition:transform .5s ease;opacity:.78}
    .channel-card:hover img{transform:scale(1.06)}
    .channel-card:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,10,20,.12),rgba(5,10,20,.88))}
    .channel-body{position:absolute;inset:auto 0 0 0;z-index:1;padding:22px}
    .channel-body h3{font-size:22px;font-weight:900;margin:12px 0 8px}
    .channel-body p{font-size:14px;color:#C6D5E6}
    .masonry{columns:3 320px;column-gap:18px}
    .masonry-card{
      display:inline-block;width:100%;break-inside:avoid;margin:0 0 18px;
      border-radius:28px;overflow:hidden;transition:.24s ease;
    }
    .cover-card{position:relative;min-height:300px;padding:0}
    .cover-card.tall{min-height:430px}
    .cover-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.72;transition:transform .5s ease}
    .cover-card:hover img{transform:scale(1.05)}
    .cover-card:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,10,20,.08),rgba(5,10,20,.92))}
    .cover-content{position:absolute;inset:auto 0 0 0;z-index:1;padding:24px}
    .cover-content h3{font-size:24px;font-weight:920;line-height:1.25;margin:12px 0}
    .text-card{padding:24px}
    .text-card h3{font-size:22px;font-weight:880;margin:12px 0 8px}
    .text-card p,.compare-card p,.review-card p{color:#B9C7D9}
    .about-wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:24px;align-items:stretch}
    .about-panel{border-radius:32px;padding:32px}
    .about-panel p{color:#C4D2E5;font-size:17px}
    .data-screen{border-radius:32px;padding:24px;position:relative;overflow:hidden;background:linear-gradient(145deg,rgba(49,233,129,.1),rgba(27,124,255,.12))}
    .bar-row{display:grid;grid-template-columns:92px 1fr 48px;gap:12px;align-items:center;margin:16px 0}
    .bar{height:10px;border-radius:999px;background:rgba(255,255,255,.08);overflow:hidden}
    .bar i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--primary),var(--secondary));box-shadow:0 0 16px rgba(49,233,129,.28)}
    .reviews-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .review-card{border-radius:24px;padding:20px;transition:.24s ease}
    .review-top{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;margin-bottom:12px}
    .avatar{
      width:42px;height:42px;border-radius:15px;display:grid;place-items:center;
      background:linear-gradient(135deg,rgba(27,124,255,.38),rgba(49,233,129,.18));
      border:1px solid rgba(135,180,255,.18);font-weight:900;
    }
    .stars{color:#FFCF69;font-size:13px;white-space:nowrap}
    .review-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;color:#8EA2BA;font-size:12px}
    .compare-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;align-items:stretch}
    .compare-card{border-radius:28px;padding:24px;transition:.24s ease;position:relative;overflow:hidden}
    .compare-card:nth-child(2){margin-top:22px}
    .compare-card:nth-child(3){margin-top:44px}
    .compare-card:nth-child(4){margin-top:66px}
    .compare-card strong{display:block;font-size:34px;font-weight:950;margin-bottom:12px;color:#fff}
    .check-list{margin-top:18px;display:grid;gap:10px}
    .check-list li{display:flex;gap:9px;color:#C7D7EA;font-size:14px}
    .check-list li:before{content:"";width:8px;height:8px;margin-top:9px;border-radius:50%;background:var(--secondary);box-shadow:0 0 12px rgba(49,233,129,.6);flex:0 0 auto}
    .faq-wrap{display:grid;grid-template-columns:.95fr 1.05fr;gap:26px}
    .faq-list{display:grid;gap:12px}
    .faq-item{border-radius:24px;border:1px solid var(--line);background:rgba(10,25,48,.58);overflow:hidden;transition:.22s ease}
    .faq-item.active{border-color:rgba(53,214,255,.44);box-shadow:0 0 28px rgba(53,214,255,.13)}
    .faq-question{
      width:100%;display:flex;justify-content:space-between;align-items:center;gap:18px;
      border:0;background:transparent;color:#fff;text-align:left;padding:20px 22px;font-weight:820;
    }
    .faq-question span:last-child{width:28px;height:28px;border-radius:50%;display:grid;place-items:center;background:rgba(255,255,255,.06);color:#35D6FF;transition:.22s ease}
    .faq-item.active .faq-question span:last-child{transform:rotate(45deg);background:rgba(53,214,255,.12)}
    .faq-answer{max-height:0;overflow:hidden;transition:max-height .28s ease}
    .faq-answer p{padding:0 22px 20px;color:#B9C7D9;margin:0}
    .cta-shell{border-radius:36px;padding:32px;background:
      linear-gradient(135deg,rgba(27,124,255,.18),rgba(49,233,129,.08)),
      rgba(10,25,48,.66);
      border:1px solid rgba(135,180,255,.2);
      box-shadow:var(--shadow);
      overflow:hidden;position:relative;
    }
    .cta-shell:before{content:"";position:absolute;right:-140px;top:-120px;width:320px;height:320px;background:radial-gradient(circle,rgba(53,214,255,.22),transparent 65%)}
    .cta-grid{position:relative;display:grid;grid-template-columns:.9fr 1.1fr;gap:26px}
    .contact-form{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .field.full{grid-column:1/-1}
    .field label{display:block;font-size:13px;color:#AFC1D7;margin:0 0 7px 4px}
    .field input,.field textarea,.field select{
      width:100%;border:1px solid rgba(135,180,255,.2);border-radius:16px;
      background:rgba(255,255,255,.06);color:#fff;padding:13px 14px;outline:0;
      transition:.2s ease;
    }
    .field textarea{min-height:116px;resize:vertical}
    .field input::placeholder,.field textarea::placeholder{color:#7F91AA}
    .field input:focus,.field textarea:focus,.field select:focus{border-color:rgba(53,214,255,.65);box-shadow:0 0 0 4px rgba(53,214,255,.08)}
    .site-footer{background:#040812;border-top:1px solid rgba(135,180,255,.14);padding:58px 0 24px}
    .footer-grid{display:grid;grid-template-columns:1.3fr repeat(3,1fr);gap:28px;margin-bottom:34px}
    .footer-title{font-weight:850;color:#fff;margin-bottom:14px}
    .footer-links{display:grid;gap:9px}
    .footer-links a{color:#93A6BE;font-size:14px;transition:.2s ease}
    .footer-links a:hover{color:#35D6FF;transform:translateX(2px)}
    .footer-brand p{color:#93A6BE;margin-top:14px;max-width:430px}
    .beian{
      border-top:1px solid rgba(135,180,255,.1);padding-top:20px;text-align:center;color:#7F91AA;font-size:13px;
    }
    .beian a{color:#9AB0C7;margin:0 7px}
    .beian a:hover{color:#35D6FF}
    @media (max-width:1100px){
      .desktop-nav{display:none}
      .search-shell{width:230px}
      .menu-toggle{display:grid;place-items:center}
      .hero-grid,.about-wrap,.faq-wrap,.cta-grid{grid-template-columns:1fr}
      .feature-grid{grid-template-columns:repeat(2,1fr)}
      .channel-grid,.compare-grid{grid-template-columns:repeat(2,1fr)}
      .reviews-grid{grid-template-columns:repeat(2,1fr)}
      .compare-card:nth-child(n){margin-top:0}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width:768px){
      .site-container{width:min(100% - 28px,var(--max))}
      .section{padding:68px 0}
      .topbar{min-height:62px}
      .search-shell{display:none}
      .hero{padding:62px 0 48px}
      .hero h1{font-size:40px;letter-spacing:-.035em}
      .hero p.lead{font-size:16px}
      .section-head{display:block}
      .section-head p{margin-top:12px}
      .feature-grid,.channel-grid,.reviews-grid,.compare-grid,.footer-grid{grid-template-columns:1fr}
      .feature-card.large{grid-column:auto;grid-row:auto}
      .metric-row{grid-template-columns:1fr}
      .timeline-item{grid-template-columns:62px 1fr}
      .timeline-item .tag{grid-column:2}
      .contact-form{grid-template-columns:1fr}
      .trend-label{display:none}
    }
    @media (max-width:520px){
      .logo span{font-size:18px}
      .logo-mark{width:36px;height:36px;border-radius:13px}
      .hero-actions,.trust-row{display:grid;grid-template-columns:1fr}
      .btn{width:100%}
      .score-line{align-items:flex-start;flex-direction:column}
      .score{font-size:26px}
      .cta-shell,.about-panel{padding:24px;border-radius:28px}
      .masonry{columns:1}
    }

/* roulang page: category1 */
:root{
      --bg:#07111F;
      --bg-deep:#050A14;
      --bg-soft:#0B1E36;
      --primary:#1B7CFF;
      --secondary:#31E981;
      --accent:#FFB020;
      --cyan:#35D6FF;
      --text:#F4F8FF;
      --muted:#B9C7D9;
      --weak:#7F91AA;
      --line:rgba(135,180,255,.16);
      --line-strong:rgba(135,180,255,.28);
      --glass:rgba(10,25,48,.62);
      --glass-strong:rgba(13,34,64,.78);
      --shadow:0 18px 60px rgba(0,0,0,.35);
      --glow:0 0 28px rgba(53,214,255,.32);
      --radius-xl:32px;
      --radius-lg:24px;
      --radius-md:18px;
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 15% 8%,rgba(27,124,255,.22),transparent 34%),
        radial-gradient(circle at 88% 18%,rgba(49,233,129,.13),transparent 28%),
        radial-gradient(circle at 52% 88%,rgba(255,176,32,.08),transparent 32%),
        linear-gradient(145deg,var(--bg-deep),var(--bg) 42%,#081426);
      line-height:1.75;
      overflow-x:hidden;
    }

    body::before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      z-index:-2;
      background-image:
        linear-gradient(rgba(135,180,255,.045) 1px,transparent 1px),
        linear-gradient(90deg,rgba(135,180,255,.045) 1px,transparent 1px);
      background-size:48px 48px;
      mask-image:linear-gradient(to bottom,rgba(0,0,0,.9),rgba(0,0,0,.25),rgba(0,0,0,.75));
    }

    body::after{
      content:"";
      position:fixed;
      inset:auto -20% -25% -20%;
      height:50vh;
      pointer-events:none;
      z-index:-1;
      background:radial-gradient(ellipse at center,rgba(49,233,129,.12),transparent 68%);
      filter:blur(10px);
    }

    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer}
    ::selection{background:rgba(53,214,255,.28);color:#fff}

    .site-container{
      width:min(1200px,calc(100% - 40px));
      margin-inline:auto;
    }

    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      background:rgba(5,10,20,.78);
      backdrop-filter:blur(18px);
      border-bottom:1px solid var(--line);
      transition:box-shadow .25s ease,background .25s ease,border-color .25s ease;
    }
    .site-header.scrolled{
      background:rgba(5,10,20,.9);
      box-shadow:0 14px 40px rgba(0,0,0,.35);
      border-color:rgba(53,214,255,.18);
    }
    .topbar{
      min-height:70px;
      display:flex;
      align-items:center;
      gap:24px;
      justify-content:space-between;
    }
    .logo{
      display:inline-flex;
      align-items:center;
      gap:12px;
      flex:0 0 auto;
      font-weight:900;
      letter-spacing:.02em;
      color:#fff;
      font-size:22px;
    }
    .logo-mark{
      width:38px;
      height:38px;
      border-radius:14px;
      position:relative;
      background:
        linear-gradient(135deg,rgba(27,124,255,.95),rgba(53,214,255,.78) 52%,rgba(49,233,129,.82));
      box-shadow:0 0 24px rgba(53,214,255,.38);
      overflow:hidden;
    }
    .logo-mark::before{
      content:"";
      position:absolute;
      inset:9px 7px;
      border:2px solid rgba(255,255,255,.78);
      border-left-color:rgba(255,255,255,.18);
      border-right-color:rgba(255,255,255,.18);
      border-radius:50%;
    }
    .logo-mark::after{
      content:"";
      position:absolute;
      left:8px;
      right:8px;
      top:18px;
      height:2px;
      background:rgba(255,255,255,.82);
      box-shadow:0 -8px 0 rgba(255,255,255,.24),0 8px 0 rgba(255,255,255,.24);
    }

    .desktop-nav{
      display:flex;
      align-items:center;
      justify-content:center;
      gap:6px;
      flex:1;
      min-width:0;
    }
    .nav-link{
      position:relative;
      display:inline-flex;
      align-items:center;
      white-space:nowrap;
      border-radius:999px;
      padding:9px 12px;
      color:var(--muted);
      font-size:14px;
      transition:color .2s ease,background .2s ease,box-shadow .2s ease,transform .2s ease;
    }
    .nav-link:hover{
      color:#fff;
      background:rgba(255,255,255,.07);
      transform:translateY(-1px);
    }
    .nav-link.active{
      color:#fff;
      background:linear-gradient(135deg,rgba(27,124,255,.24),rgba(49,233,129,.12));
      box-shadow:inset 0 0 0 1px rgba(53,214,255,.2),0 0 18px rgba(27,124,255,.14);
    }
    .nav-link.active::after{
      content:"";
      position:absolute;
      left:16px;
      right:16px;
      bottom:4px;
      height:2px;
      border-radius:999px;
      background:linear-gradient(90deg,var(--primary),var(--secondary));
    }

    .nav-actions{
      display:flex;
      align-items:center;
      gap:10px;
      flex:0 0 auto;
    }
    .search-shell{
      height:40px;
      width:250px;
      display:flex;
      align-items:center;
      gap:8px;
      padding:0 14px;
      border-radius:999px;
      background:rgba(255,255,255,.055);
      border:1px solid var(--line);
      color:var(--weak);
      transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
    }
    .search-shell:focus-within{
      border-color:rgba(53,214,255,.55);
      box-shadow:0 0 0 4px rgba(53,214,255,.08),var(--glow);
      background:rgba(255,255,255,.08);
    }
    .search-shell input{
      width:100%;
      min-width:0;
      color:#fff;
      outline:none;
      border:0;
      background:transparent;
      font-size:14px;
    }
    .search-shell input::placeholder{color:rgba(185,199,217,.72)}
    .menu-toggle{
      display:none;
      width:42px;
      height:42px;
      border-radius:14px;
      border:1px solid var(--line);
      background:rgba(255,255,255,.06);
      color:#fff;
      transition:.2s ease;
    }
    .menu-toggle:hover,.menu-toggle:focus{
      border-color:rgba(53,214,255,.5);
      box-shadow:0 0 0 4px rgba(53,214,255,.08);
    }
    .mobile-panel{display:none}
    .trend-row{
      border-top:1px solid rgba(135,180,255,.08);
      background:rgba(7,17,31,.58);
    }
    .trend-inner{
      min-height:42px;
      display:flex;
      align-items:center;
      gap:10px;
      overflow-x:auto;
      scrollbar-width:none;
      padding-block:7px;
    }
    .trend-inner::-webkit-scrollbar{display:none}
    .trend-label{
      flex:0 0 auto;
      color:var(--weak);
      font-size:13px;
    }
    .tag,.badge{
      display:inline-flex;
      align-items:center;
      gap:6px;
      border-radius:999px;
      padding:7px 11px;
      border:1px solid rgba(135,180,255,.16);
      background:rgba(255,255,255,.045);
      color:var(--muted);
      font-size:13px;
      line-height:1;
      white-space:nowrap;
      transition:background .2s ease,border-color .2s ease,color .2s ease,transform .2s ease,box-shadow .2s ease;
    }
    .tag:hover,.badge:hover{
      color:#fff;
      border-color:rgba(53,214,255,.42);
      background:rgba(53,214,255,.08);
      transform:translateY(-1px);
    }
    .tag.hot{color:#ffe2aa;border-color:rgba(255,176,32,.28);background:rgba(255,176,32,.08)}
    .tag.live{color:#b7ffd9;border-color:rgba(49,233,129,.28);background:rgba(49,233,129,.08)}

    .main{position:relative}
    .section{
      padding:92px 0;
      position:relative;
    }
    .section-tight{padding:62px 0}
    .section-title{
      max-width:780px;
      margin-bottom:34px;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:#b7ffd9;
      border:1px solid rgba(49,233,129,.22);
      background:rgba(49,233,129,.07);
      border-radius:999px;
      padding:7px 12px;
      font-size:13px;
      margin-bottom:16px;
    }
    .eyebrow::before{
      content:"";
      width:7px;
      height:7px;
      border-radius:50%;
      background:var(--secondary);
      box-shadow:0 0 14px rgba(49,233,129,.7);
    }
    h1,h2,h3{line-height:1.12;margin:0;color:#fff}
    h1{
      font-size:clamp(38px,6vw,68px);
      letter-spacing:-.055em;
      font-weight:900;
    }
    h2{
      font-size:clamp(30px,4vw,46px);
      letter-spacing:-.04em;
      font-weight:850;
    }
    h3{
      font-size:clamp(21px,2.2vw,27px);
      font-weight:800;
    }
    p{margin:0;color:var(--muted)}
    .lead{
      font-size:18px;
      line-height:1.85;
      color:#d3dfef;
    }
    .gradient-text{
      background:linear-gradient(90deg,#fff,var(--cyan),var(--secondary));
      -webkit-background-clip:text;
      background-clip:text;
      color:transparent;
    }

    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      min-height:46px;
      padding:0 20px;
      border-radius:999px;
      border:1px solid transparent;
      font-weight:800;
      color:#fff;
      transition:transform .2s ease,box-shadow .2s ease,filter .2s ease,border-color .2s ease,background .2s ease;
      user-select:none;
    }
    .btn-primary{
      background:linear-gradient(135deg,var(--primary),var(--cyan));
      box-shadow:0 0 24px rgba(53,214,255,.35);
    }
    .btn-primary:hover{
      transform:translateY(-2px);
      filter:brightness(1.09);
      box-shadow:0 0 34px rgba(53,214,255,.48),0 14px 30px rgba(0,0,0,.28);
    }
    .btn-secondary{
      background:rgba(255,255,255,.055);
      border-color:var(--line-strong);
      color:#e8f4ff;
    }
    .btn-secondary:hover{
      transform:translateY(-2px);
      background:rgba(255,255,255,.09);
      border-color:rgba(53,214,255,.45);
      box-shadow:0 0 18px rgba(27,124,255,.18);
    }

    .glass-card{
      position:relative;
      border:1px solid var(--line);
      background:linear-gradient(180deg,rgba(255,255,255,.07),rgba(255,255,255,.025)),var(--glass);
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow);
      backdrop-filter:blur(18px);
      overflow:hidden;
      transition:transform .24s ease,border-color .24s ease,background .24s ease,box-shadow .24s ease;
    }
    .glass-card::before{
      content:"";
      position:absolute;
      inset:0;
      border-radius:inherit;
      pointer-events:none;
      background:linear-gradient(135deg,rgba(255,255,255,.12),transparent 32%,rgba(53,214,255,.06));
      opacity:.72;
    }
    .glass-card:hover{
      transform:translateY(-4px);
      border-color:rgba(53,214,255,.36);
      background:linear-gradient(180deg,rgba(255,255,255,.09),rgba(255,255,255,.035)),rgba(12,31,58,.72);
      box-shadow:0 24px 70px rgba(0,0,0,.42),0 0 30px rgba(53,214,255,.12);
    }
    .card-content{position:relative;z-index:1}

    .hero{
      min-height:720px;
      display:flex;
      align-items:center;
      padding:82px 0 80px;
      background:
        linear-gradient(90deg,rgba(5,10,20,.92),rgba(5,10,20,.66) 47%,rgba(5,10,20,.82)),
        radial-gradient(circle at 75% 28%,rgba(49,233,129,.16),transparent 28%),
        url("/assets/images/backpic/back-1.webp") center/cover no-repeat;
      border-bottom:1px solid var(--line);
      overflow:hidden;
    }
    .hero::after{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(115deg,rgba(53,214,255,.12) 0 1px,transparent 1px 18px),
        linear-gradient(0deg,rgba(5,10,20,.05),rgba(5,10,20,.45));
      opacity:.45;
      pointer-events:none;
    }
    .hero-grid{
      position:relative;
      z-index:1;
      display:grid;
      grid-template-columns:minmax(0,1.1fr) minmax(360px,.9fr);
      gap:34px;
      align-items:center;
    }
    .hero-copy{
      max-width:740px;
    }
    .hero-copy .lead{margin-top:22px}
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:14px;
      margin-top:30px;
    }
    .trust-row{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:28px;
    }

    .focus-board{
      padding:22px;
      border-radius:var(--radius-xl);
    }
    .score-screen{
      position:relative;
      min-height:224px;
      border-radius:24px;
      overflow:hidden;
      background:
        linear-gradient(180deg,rgba(5,10,20,.18),rgba(5,10,20,.78)),
        url("/assets/images/coverpic/cover-1.webp") center/cover no-repeat;
      border:1px solid rgba(255,255,255,.13);
      padding:22px;
      display:flex;
      flex-direction:column;
      justify-content:flex-end;
    }
    .match-line{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      padding:14px 0;
      border-bottom:1px solid rgba(135,180,255,.12);
    }
    .match-line:last-child{border-bottom:0}
    .team{
      font-weight:800;
      color:#fff;
    }
    .score{
      font-size:22px;
      font-weight:900;
      font-variant-numeric:tabular-nums;
      color:#fff;
      background:rgba(53,214,255,.1);
      border:1px solid rgba(53,214,255,.18);
      border-radius:14px;
      padding:3px 10px;
    }
    .status{
      display:inline-flex;
      border-radius:999px;
      padding:4px 9px;
      font-size:12px;
      color:#b7ffd9;
      background:rgba(49,233,129,.11);
      border:1px solid rgba(49,233,129,.24);
    }

    .feature-grid{
      display:grid;
      grid-template-columns:1.25fr .85fr .85fr;
      gap:18px;
      align-items:stretch;
    }
    .feature-card{
      padding:24px;
      min-height:220px;
    }
    .feature-card.large{
      grid-row:span 2;
      min-height:460px;
      background:
        linear-gradient(180deg,rgba(8,20,38,.2),rgba(5,10,20,.82)),
        url("/assets/images/coverpic/cover-2.webp") center/cover no-repeat;
    }
    .feature-icon{
      width:46px;
      height:46px;
      border-radius:17px;
      display:grid;
      place-items:center;
      margin-bottom:18px;
      color:#fff;
      background:linear-gradient(135deg,rgba(27,124,255,.9),rgba(49,233,129,.68));
      box-shadow:0 0 22px rgba(53,214,255,.24);
    }

    .split-layout{
      display:grid;
      grid-template-columns:minmax(0,1fr) 360px;
      gap:24px;
      align-items:start;
    }
    .spotlight{
      display:grid;
      grid-template-columns:minmax(0,1.05fr) minmax(280px,.95fr);
      gap:18px;
    }
    .image-card{
      min-height:430px;
      border-radius:var(--radius-xl);
      overflow:hidden;
      position:relative;
      background:
        linear-gradient(180deg,rgba(5,10,20,.16),rgba(5,10,20,.84)),
        url("/assets/images/coverpic/cover-3.webp") center/cover no-repeat;
      border:1px solid var(--line);
      box-shadow:var(--shadow);
      padding:30px;
      display:flex;
      flex-direction:column;
      justify-content:flex-end;
    }
    .mini-list{
      display:grid;
      gap:14px;
    }
    .list-card{
      padding:20px;
      display:flex;
      gap:16px;
      align-items:flex-start;
    }
    .list-index{
      width:34px;
      height:34px;
      border-radius:14px;
      display:grid;
      place-items:center;
      flex:0 0 auto;
      color:#fff;
      font-weight:900;
      background:rgba(27,124,255,.18);
      border:1px solid rgba(53,214,255,.22);
      font-variant-numeric:tabular-nums;
    }

    .side-panel{
      position:sticky;
      top:128px;
      padding:22px;
    }
    .trend-stack{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:16px;
    }
    .timeline{
      margin-top:18px;
      display:grid;
      gap:14px;
    }
    .time-item{
      position:relative;
      padding-left:20px;
    }
    .time-item::before{
      content:"";
      position:absolute;
      left:0;
      top:9px;
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--cyan);
      box-shadow:0 0 14px rgba(53,214,255,.7);
    }
    .time-item strong{display:block;color:#fff}
    .time-item span{font-size:13px;color:var(--weak)}

    .flow-grid{
      display:grid;
      grid-template-columns:repeat(4,minmax(0,1fr));
      gap:16px;
    }
    .flow-card{
      padding:22px;
      min-height:230px;
    }
    .flow-number{
      font-size:42px;
      line-height:1;
      font-weight:950;
      letter-spacing:-.05em;
      color:transparent;
      -webkit-text-stroke:1px rgba(53,214,255,.6);
      margin-bottom:18px;
      font-variant-numeric:tabular-nums;
    }

    .data-band{
      display:grid;
      grid-template-columns:1fr 1fr 1fr;
      gap:18px;
    }
    .data-card{
      padding:24px;
      min-height:210px;
    }
    .data-value{
      font-size:44px;
      font-weight:950;
      letter-spacing:-.05em;
      color:#fff;
      font-variant-numeric:tabular-nums;
      margin:12px 0 8px;
    }
    .bar{
      height:8px;
      border-radius:999px;
      background:rgba(255,255,255,.08);
      overflow:hidden;
      margin-top:18px;
    }
    .bar span{
      display:block;
      height:100%;
      border-radius:inherit;
      background:linear-gradient(90deg,var(--primary),var(--secondary));
      box-shadow:0 0 14px rgba(49,233,129,.36);
    }

    .faq-wrap{
      display:grid;
      gap:14px;
      max-width:920px;
      margin-inline:auto;
    }
    .faq-item{
      border-radius:22px;
      border:1px solid var(--line);
      background:rgba(10,25,48,.58);
      overflow:hidden;
      transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
    }
    .faq-item.active{
      border-color:rgba(53,214,255,.42);
      box-shadow:0 0 28px rgba(53,214,255,.12);
      background:rgba(13,34,64,.72);
    }
    .faq-question{
      width:100%;
      border:0;
      background:transparent;
      color:#fff;
      padding:20px 22px;
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:18px;
      text-align:left;
      font-weight:850;
    }
    .faq-question span:first-child{font-size:17px}
    .faq-icon{
      flex:0 0 auto;
      width:30px;
      height:30px;
      border-radius:999px;
      display:grid;
      place-items:center;
      color:#fff;
      background:rgba(53,214,255,.11);
      border:1px solid rgba(53,214,255,.2);
      transition:transform .2s ease;
    }
    .faq-item.active .faq-icon{transform:rotate(45deg)}
    .faq-answer{
      display:none;
      padding:0 22px 22px;
      color:var(--muted);
      line-height:1.85;
    }
    .faq-item.active .faq-answer{display:block}

    .cta-panel{
      position:relative;
      overflow:hidden;
      border-radius:var(--radius-xl);
      padding:38px;
      background:
        linear-gradient(135deg,rgba(27,124,255,.22),rgba(49,233,129,.11)),
        linear-gradient(180deg,rgba(255,255,255,.08),rgba(255,255,255,.03)),
        rgba(10,25,48,.72);
      border:1px solid rgba(53,214,255,.22);
      box-shadow:var(--shadow),0 0 44px rgba(53,214,255,.1);
    }
    .cta-panel::after{
      content:"";
      position:absolute;
      width:280px;
      height:280px;
      right:-80px;
      top:-90px;
      border-radius:50%;
      background:radial-gradient(circle,rgba(49,233,129,.22),transparent 68%);
      filter:blur(6px);
    }
    .cta-grid{
      position:relative;
      z-index:1;
      display:grid;
      grid-template-columns:1fr 420px;
      gap:28px;
      align-items:center;
    }
    .contact-form{
      display:grid;
      gap:12px;
    }
    .form-row{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:12px;
    }
    .field{
      width:100%;
      min-height:48px;
      color:#fff;
      border:1px solid var(--line);
      border-radius:16px;
      background:rgba(5,10,20,.32);
      outline:none;
      padding:12px 14px;
      transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
    }
    textarea.field{min-height:104px;resize:vertical}
    .field::placeholder{color:rgba(185,199,217,.66)}
    .field:focus{
      border-color:rgba(53,214,255,.56);
      background:rgba(5,10,20,.42);
      box-shadow:0 0 0 4px rgba(53,214,255,.08);
    }

    .site-footer{
      background:linear-gradient(180deg,rgba(5,10,20,.28),rgba(5,10,20,.98));
      border-top:1px solid rgba(53,214,255,.16);
      padding:62px 0 28px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.4fr 1fr 1fr 1fr;
      gap:34px;
      padding-bottom:38px;
      border-bottom:1px solid rgba(135,180,255,.12);
    }
    .footer-brand p{
      margin-top:16px;
      color:var(--muted);
      max-width:390px;
      font-size:14px;
    }
    .footer-title{
      color:#fff;
      font-weight:850;
      margin-bottom:14px;
    }
    .footer-links{
      display:grid;
      gap:10px;
    }
    .footer-links a{
      color:var(--muted);
      font-size:14px;
      transition:color .2s ease,transform .2s ease;
    }
    .footer-links a:hover{
      color:var(--cyan);
      transform:translateX(3px);
    }
    .beian{
      padding-top:24px;
      text-align:center;
      color:var(--weak);
      font-size:13px;
      line-height:1.9;
    }
    .beian a{
      color:var(--muted);
      transition:color .2s ease;
    }
    .beian a:hover{color:var(--cyan)}

    @media (max-width:1100px){
      .desktop-nav{display:none}
      .menu-toggle{display:inline-grid;place-items:center}
      .search-shell{width:220px}
      .mobile-panel{
        display:none;
        padding:0 0 16px;
        grid-template-columns:1fr 1fr;
        gap:10px;
      }
      .mobile-panel.open{display:grid}
      .mobile-panel .nav-link{
        justify-content:center;
        border:1px solid var(--line);
        background:rgba(255,255,255,.045);
      }
      .hero-grid,.split-layout,.cta-grid{
        grid-template-columns:1fr;
      }
      .side-panel{position:relative;top:auto}
      .feature-grid{
        grid-template-columns:1fr 1fr;
      }
      .feature-card.large{grid-row:auto;grid-column:span 2;min-height:360px}
      .flow-grid,.data-band{grid-template-columns:1fr 1fr}
      .footer-grid{grid-template-columns:1fr 1fr}
    }

    @media (max-width:768px){
      .site-container{width:min(100% - 28px,1200px)}
      .topbar{min-height:64px;gap:12px}
      .logo{font-size:20px}
      .logo-mark{width:34px;height:34px;border-radius:13px}
      .search-shell{display:none}
      .hero{min-height:auto;padding:62px 0}
      .hero-grid{gap:22px}
      .focus-board{padding:16px;border-radius:24px}
      .score-screen{min-height:210px;border-radius:20px}
      .section{padding:68px 0}
      .section-tight{padding:48px 0}
      .spotlight,.feature-grid,.flow-grid,.data-band,.form-row{
        grid-template-columns:1fr;
      }
      .feature-card.large{grid-column:auto;min-height:330px}
      .image-card{min-height:360px;padding:24px}
      .cta-panel{padding:26px}
      .footer-grid{grid-template-columns:1fr}
      .mobile-panel.open{grid-template-columns:1fr}
    }

    @media (max-width:520px){
      h1{font-size:36px}
      .lead{font-size:16px}
      .hero-actions,.trust-row{flex-direction:column;align-items:stretch}
      .btn{width:100%}
      .match-line{align-items:flex-start;flex-direction:column}
      .score{font-size:20px}
      .list-card{flex-direction:column}
      .trend-inner{width:calc(100vw - 28px)}
      .cta-panel{border-radius:24px}
    }

/* roulang page: category2 */
:root {
      --bg: #07111F;
      --bg-deep: #050A14;
      --bg-soft: #0B1E36;
      --primary: #1B7CFF;
      --secondary: #35D6FF;
      --accent: #31E981;
      --orange: #FFB020;
      --text: #F4F8FF;
      --muted: #B9C7D9;
      --weak: #7F91AA;
      --line: rgba(135, 180, 255, 0.16);
      --line-strong: rgba(130, 190, 255, 0.34);
      --glass: rgba(10, 25, 48, 0.62);
      --glass-strong: rgba(13, 34, 66, 0.78);
      --glow: 0 0 28px rgba(53, 214, 255, .34);
      --shadow: 0 18px 60px rgba(0, 0, 0, .35);
      --radius-xl: 32px;
      --radius-lg: 24px;
      --radius-md: 18px;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: system-ui, -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
      background:
        radial-gradient(circle at 12% 0%, rgba(27, 124, 255, .22), transparent 36%),
        radial-gradient(circle at 88% 18%, rgba(49, 233, 129, .12), transparent 28%),
        radial-gradient(circle at 50% 92%, rgba(53, 214, 255, .10), transparent 34%),
        linear-gradient(180deg, #081426 0%, #050A14 48%, #07111F 100%);
      color: var(--text);
      line-height: 1.75;
      overflow-x: hidden;
    }

    body::before {
      content: "";
      position: fixed;
      inset: 0;
      pointer-events: none;
      z-index: -2;
      background-image:
        linear-gradient(rgba(135, 180, 255, .055) 1px, transparent 1px),
        linear-gradient(90deg, rgba(135, 180, 255, .055) 1px, transparent 1px);
      background-size: 42px 42px;
      mask-image: linear-gradient(to bottom, rgba(0,0,0,.9), rgba(0,0,0,.25), transparent);
    }

    body::after {
      content: "";
      position: fixed;
      inset: 0;
      pointer-events: none;
      z-index: -1;
      background:
        linear-gradient(120deg, transparent 0 38%, rgba(53,214,255,.06) 39%, transparent 40% 100%),
        linear-gradient(60deg, transparent 0 62%, rgba(49,233,129,.05) 63%, transparent 64% 100%);
      opacity: .8;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: color .25s ease, border-color .25s ease, background .25s ease, transform .25s ease, opacity .25s ease;
    }

    img {
      max-width: 100%;
      display: block;
    }

    button,
    input,
    textarea,
    select {
      font: inherit;
    }

    button {
      cursor: pointer;
      border: 0;
    }

    input,
    textarea,
    select {
      outline: none;
    }

    ::selection {
      background: rgba(53, 214, 255, .32);
      color: #fff;
    }

    .site-container {
      width: min(1240px, calc(100% - 40px));
      margin-inline: auto;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 60;
      background: rgba(5, 10, 20, .78);
      backdrop-filter: blur(18px);
      border-bottom: 1px solid var(--line);
      transition: box-shadow .25s ease, background .25s ease;
    }

    .site-header.is-scrolled {
      background: rgba(5, 10, 20, .9);
      box-shadow: 0 16px 46px rgba(0, 0, 0, .32);
    }

    .topbar {
      min-height: 70px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
    }

    .logo {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      color: #fff;
      font-weight: 900;
      letter-spacing: -.03em;
      font-size: 22px;
      white-space: nowrap;
    }

    .logo-mark {
      width: 34px;
      height: 34px;
      border-radius: 12px;
      position: relative;
      background:
        radial-gradient(circle at 32% 30%, #fff, transparent 18%),
        linear-gradient(135deg, var(--primary), var(--secondary) 56%, var(--accent));
      box-shadow: 0 0 24px rgba(53, 214, 255, .38);
      overflow: hidden;
    }

    .logo-mark::before,
    .logo-mark::after {
      content: "";
      position: absolute;
      border: 1px solid rgba(255,255,255,.55);
      inset: 7px;
      border-radius: 50%;
      opacity: .7;
    }

    .logo-mark::after {
      inset: auto;
      width: 20px;
      height: 2px;
      background: rgba(255,255,255,.78);
      border: 0;
      border-radius: 999px;
      left: 7px;
      top: 16px;
      transform: rotate(-18deg);
    }

    .desktop-nav {
      display: flex;
      align-items: center;
      gap: 4px;
      flex: 1;
      justify-content: center;
    }

    .nav-link {
      position: relative;
      display: inline-flex;
      align-items: center;
      min-height: 38px;
      padding: 8px 12px;
      border-radius: 999px;
      color: var(--muted);
      font-size: 14px;
      font-weight: 700;
      white-space: nowrap;
    }

    .nav-link:hover {
      color: #fff;
      background: rgba(255,255,255,.07);
    }

    .nav-link.active {
      color: #fff;
      background: linear-gradient(135deg, rgba(27,124,255,.22), rgba(49,233,129,.12));
      border: 1px solid rgba(53,214,255,.25);
      box-shadow: inset 0 0 20px rgba(53,214,255,.08);
    }

    .nav-link.active::after {
      content: "";
      position: absolute;
      left: 50%;
      bottom: 2px;
      width: 24px;
      height: 3px;
      transform: translateX(-50%);
      border-radius: 999px;
      background: linear-gradient(90deg, var(--primary), var(--accent));
      box-shadow: 0 0 14px rgba(49,233,129,.45);
    }

    .nav-actions {
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .search-shell {
      display: flex;
      align-items: center;
      gap: 8px;
      width: 245px;
      height: 42px;
      padding: 0 14px;
      border-radius: 999px;
      border: 1px solid var(--line);
      background: rgba(255,255,255,.055);
      color: var(--weak);
      transition: border-color .25s ease, box-shadow .25s ease, background .25s ease;
    }

    .search-shell:focus-within {
      border-color: rgba(53,214,255,.75);
      box-shadow: var(--glow);
      background: rgba(255,255,255,.08);
    }

    .search-shell input {
      width: 100%;
      border: 0;
      background: transparent;
      color: var(--text);
      font-size: 13px;
    }

    .search-shell input::placeholder {
      color: rgba(185,199,217,.72);
    }

    .menu-toggle {
      display: none;
      width: 42px;
      height: 42px;
      border-radius: 14px;
      background: rgba(255,255,255,.07);
      color: #fff;
      border: 1px solid var(--line);
      transition: background .25s ease, border-color .25s ease, transform .25s ease;
    }

    .menu-toggle:hover {
      background: rgba(53,214,255,.14);
      border-color: rgba(53,214,255,.45);
    }

    .mobile-panel {
      display: none;
      padding: 0 0 16px;
      gap: 8px;
      flex-wrap: wrap;
    }

    .mobile-panel.open {
      display: flex;
    }

    .trend-row {
      border-top: 1px solid rgba(135,180,255,.10);
      background: rgba(7,17,31,.58);
    }

    .trend-inner {
      min-height: 42px;
      display: flex;
      align-items: center;
      gap: 10px;
      overflow-x: auto;
      scrollbar-width: none;
      padding-block: 7px;
    }

    .trend-inner::-webkit-scrollbar {
      display: none;
    }

    .trend-label {
      color: var(--weak);
      font-size: 13px;
      white-space: nowrap;
    }

    .tag {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      min-height: 28px;
      padding: 5px 11px;
      border-radius: 999px;
      border: 1px solid var(--line);
      background: rgba(255,255,255,.045);
      color: var(--muted);
      font-size: 12px;
      font-weight: 800;
      white-space: nowrap;
    }

    .tag:hover {
      color: #fff;
      border-color: rgba(53,214,255,.52);
      background: rgba(53,214,255,.10);
      transform: translateY(-1px);
    }

    .tag.hot {
      border-color: rgba(255,176,32,.34);
      color: #FFE2A8;
    }

    .tag.live {
      border-color: rgba(49,233,129,.34);
      color: #B8FFD8;
    }

    .section {
      padding: 92px 0;
      position: relative;
    }

    .section-tight {
      padding: 64px 0;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 7px 12px;
      border-radius: 999px;
      border: 1px solid rgba(53,214,255,.28);
      background: rgba(53,214,255,.08);
      color: #C5F5FF;
      font-size: 13px;
      font-weight: 900;
      letter-spacing: .02em;
    }

    .eyebrow::before {
      content: "";
      width: 8px;
      height: 8px;
      border-radius: 999px;
      background: var(--accent);
      box-shadow: 0 0 14px rgba(49,233,129,.75);
    }

    .gradient-text {
      background: linear-gradient(100deg, #fff 0%, #BEEBFF 38%, #31E981 100%);
      -webkit-background-clip: text;
      background-clip: text;
      color: transparent;
    }

    .glass-card {
      position: relative;
      border: 1px solid var(--line);
      background:
        linear-gradient(180deg, rgba(255,255,255,.075), rgba(255,255,255,.025)),
        var(--glass);
      backdrop-filter: blur(18px);
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow);
      overflow: hidden;
      transition: transform .25s ease, border-color .25s ease, background .25s ease, box-shadow .25s ease;
    }

    .glass-card::before {
      content: "";
      position: absolute;
      inset: 0;
      pointer-events: none;
      background: linear-gradient(135deg, rgba(255,255,255,.12), transparent 34%, rgba(53,214,255,.05));
      opacity: .72;
    }

    .glass-card:hover {
      transform: translateY(-4px);
      border-color: rgba(53,214,255,.42);
      background:
        linear-gradient(180deg, rgba(255,255,255,.095), rgba(255,255,255,.03)),
        rgba(13, 34, 66, .72);
      box-shadow: 0 22px 70px rgba(0,0,0,.42), 0 0 28px rgba(27,124,255,.12);
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      min-height: 48px;
      padding: 12px 20px;
      border-radius: 999px;
      font-size: 15px;
      font-weight: 900;
      transition: transform .25s ease, box-shadow .25s ease, background .25s ease, border-color .25s ease;
      white-space: nowrap;
    }

    .btn-primary {
      color: white;
      background: linear-gradient(135deg, var(--primary), var(--secondary));
      box-shadow: 0 0 24px rgba(53,214,255,.35);
    }

    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 0 36px rgba(53,214,255,.52);
      filter: brightness(1.06);
    }

    .btn-secondary {
      color: #EAF7FF;
      background: rgba(255,255,255,.065);
      border: 1px solid rgba(135,180,255,.24);
    }

    .btn-secondary:hover {
      transform: translateY(-2px);
      border-color: rgba(53,214,255,.5);
      background: rgba(255,255,255,.095);
    }

    .hero {
      min-height: 720px;
      display: flex;
      align-items: center;
      padding: 96px 0 74px;
      position: relative;
      overflow: hidden;
    }

    .hero::before {
      content: "";
      position: absolute;
      inset: 0;
      z-index: -2;
      background:
        linear-gradient(90deg, rgba(5,10,20,.90) 0%, rgba(5,10,20,.72) 48%, rgba(5,10,20,.84) 100%),
        url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
      opacity: .92;
    }

    .hero::after {
      content: "";
      position: absolute;
      left: -10%;
      right: -10%;
      bottom: -48px;
      height: 170px;
      z-index: -1;
      background:
        radial-gradient(ellipse at center, rgba(49,233,129,.17), transparent 58%),
        repeating-linear-gradient(90deg, rgba(49,233,129,.18) 0 2px, transparent 2px 88px);
      transform: perspective(500px) rotateX(58deg);
      transform-origin: center bottom;
      opacity: .62;
    }

    .hero-title {
      margin: 22px 0 20px;
      font-size: clamp(38px, 6vw, 70px);
      line-height: 1.07;
      letter-spacing: -.06em;
      font-weight: 950;
    }

    .hero-subtitle {
      max-width: 720px;
      color: var(--muted);
      font-size: 18px;
      line-height: 1.85;
    }

    .hero-panel {
      padding: 24px;
      border-radius: var(--radius-xl);
      background:
        linear-gradient(180deg, rgba(255,255,255,.09), rgba(255,255,255,.025)),
        rgba(8, 20, 38, .70);
      border: 1px solid rgba(130,190,255,.22);
      box-shadow: var(--shadow), inset 0 0 46px rgba(53,214,255,.045);
      backdrop-filter: blur(18px);
    }

    .score-board {
      display: grid;
      gap: 14px;
    }

    .score-item {
      display: grid;
      grid-template-columns: 1fr auto 1fr;
      align-items: center;
      gap: 12px;
      padding: 14px;
      border-radius: 18px;
      background: rgba(255,255,255,.055);
      border: 1px solid rgba(135,180,255,.13);
      transition: background .25s ease, border-color .25s ease;
    }

    .score-item:hover {
      background: rgba(53,214,255,.08);
      border-color: rgba(53,214,255,.32);
    }

    .team {
      min-width: 0;
      font-weight: 900;
      color: #fff;
    }

    .team.right {
      text-align: right;
    }

    .score-num {
      min-width: 72px;
      padding: 5px 10px;
      border-radius: 12px;
      text-align: center;
      color: #fff;
      font-weight: 950;
      font-variant-numeric: tabular-nums;
      background: linear-gradient(135deg, rgba(27,124,255,.42), rgba(49,233,129,.18));
      border: 1px solid rgba(53,214,255,.26);
    }

    .stat-strip {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 14px;
      margin-top: 28px;
    }

    .stat-card {
      padding: 16px;
      border-radius: 20px;
      background: rgba(255,255,255,.055);
      border: 1px solid rgba(135,180,255,.13);
    }

    .stat-card strong {
      display: block;
      font-size: 26px;
      line-height: 1;
      color: #fff;
      font-weight: 950;
      font-variant-numeric: tabular-nums;
    }

    .stat-card span {
      display: block;
      margin-top: 8px;
      color: var(--weak);
      font-size: 13px;
    }

    .section-heading {
      display: flex;
      align-items: end;
      justify-content: space-between;
      gap: 26px;
      margin-bottom: 32px;
    }

    .section-heading h2 {
      margin: 12px 0 0;
      font-size: clamp(30px, 4vw, 46px);
      line-height: 1.16;
      letter-spacing: -.04em;
      font-weight: 950;
    }

    .section-heading p {
      max-width: 560px;
      color: var(--muted);
      margin: 0;
      font-size: 16px;
    }

    .feature-grid {
      display: grid;
      grid-template-columns: 1.1fr .9fr .9fr;
      grid-auto-rows: minmax(220px, auto);
      gap: 18px;
    }

    .feature-card {
      padding: 26px;
      min-height: 220px;
    }

    .feature-card.large {
      grid-row: span 2;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      background:
        linear-gradient(180deg, rgba(27,124,255,.18), rgba(49,233,129,.055)),
        rgba(10,25,48,.68);
    }

    .feature-card h3 {
      position: relative;
      margin: 16px 0 10px;
      font-size: 24px;
      line-height: 1.25;
      font-weight: 950;
    }

    .feature-card p {
      position: relative;
      margin: 0;
      color: var(--muted);
      font-size: 15px;
    }

    .icon-badge {
      position: relative;
      width: 46px;
      height: 46px;
      border-radius: 16px;
      display: grid;
      place-items: center;
      color: #fff;
      font-weight: 950;
      background: linear-gradient(135deg, rgba(27,124,255,.85), rgba(53,214,255,.55));
      box-shadow: 0 0 22px rgba(53,214,255,.26);
    }

    .focus-layout {
      display: grid;
      grid-template-columns: 1.32fr .68fr;
      gap: 22px;
      align-items: stretch;
    }

    .image-card {
      min-height: 500px;
      display: flex;
      align-items: end;
      padding: 32px;
      background-size: cover;
      background-position: center;
      border-radius: var(--radius-xl);
      overflow: hidden;
    }

    .image-card::after {
      content: "";
      position: absolute;
      inset: 0;
      background:
        linear-gradient(180deg, transparent 0%, rgba(5,10,20,.58) 42%, rgba(5,10,20,.92) 100%),
        radial-gradient(circle at 20% 20%, rgba(53,214,255,.20), transparent 36%);
      pointer-events: none;
    }

    .image-card > div {
      position: relative;
      z-index: 2;
    }

    .topic-list {
      display: grid;
      gap: 14px;
    }

    .topic-item {
      padding: 18px;
      border-radius: 22px;
      border: 1px solid var(--line);
      background: rgba(255,255,255,.052);
      transition: transform .25s ease, border-color .25s ease, background .25s ease;
    }

    .topic-item:hover {
      transform: translateY(-3px);
      border-color: rgba(53,214,255,.42);
      background: rgba(53,214,255,.08);
    }

    .topic-item h3 {
      color: #fff;
      font-size: 18px;
      font-weight: 950;
      line-height: 1.35;
      margin: 8px 0 7px;
    }

    .topic-item p {
      color: var(--muted);
      font-size: 14px;
      margin: 0;
    }

    .meta-row {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      align-items: center;
      color: var(--weak);
      font-size: 12px;
      font-weight: 800;
    }

    .pulse-dot {
      width: 7px;
      height: 7px;
      border-radius: 999px;
      background: var(--accent);
      box-shadow: 0 0 12px rgba(49,233,129,.75);
    }

    .flow-wrap {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
    }

    .flow-card {
      padding: 24px;
    }

    .flow-num {
      width: 42px;
      height: 42px;
      border-radius: 15px;
      display: grid;
      place-items: center;
      color: #fff;
      font-weight: 950;
      background: linear-gradient(135deg, rgba(27,124,255,.88), rgba(49,233,129,.46));
      box-shadow: 0 0 22px rgba(27,124,255,.22);
    }

    .flow-card h3 {
      position: relative;
      margin: 18px 0 9px;
      font-size: 20px;
      font-weight: 950;
    }

    .flow-card p {
      position: relative;
      margin: 0;
      color: var(--muted);
      font-size: 15px;
    }

    .insight-grid {
      display: grid;
      grid-template-columns: .85fr 1.15fr;
      gap: 22px;
      align-items: stretch;
    }

    .trend-panel {
      padding: 28px;
    }

    .bar-list {
      display: grid;
      gap: 16px;
      margin-top: 24px;
    }

    .bar-item {
      display: grid;
      gap: 8px;
    }

    .bar-top {
      display: flex;
      justify-content: space-between;
      gap: 16px;
      color: var(--muted);
      font-size: 14px;
      font-weight: 800;
    }

    .bar-track {
      height: 10px;
      border-radius: 999px;
      background: rgba(255,255,255,.075);
      overflow: hidden;
      border: 1px solid rgba(135,180,255,.11);
    }

    .bar-fill {
      height: 100%;
      border-radius: inherit;
      background: linear-gradient(90deg, var(--primary), var(--secondary), var(--accent));
      box-shadow: 0 0 16px rgba(53,214,255,.38);
    }

    .scenario-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 18px;
    }

    .scenario-card {
      padding: 24px;
    }

    .scenario-card img {
      width: 100%;
      height: 170px;
      object-fit: cover;
      border-radius: 20px;
      border: 1px solid rgba(135,180,255,.14);
      margin-bottom: 18px;
      filter: saturate(1.05) contrast(1.04);
      transition: transform .35s ease;
    }

    .scenario-card:hover img {
      transform: scale(1.025);
    }

    .scenario-card h3 {
      position: relative;
      font-size: 22px;
      font-weight: 950;
      margin: 0 0 10px;
    }

    .scenario-card p {
      position: relative;
      margin: 0;
      color: var(--muted);
      font-size: 15px;
    }

    .faq-wrap {
      max-width: 920px;
      margin: 0 auto;
      display: grid;
      gap: 14px;
    }

    .faq-item {
      border-radius: 22px;
      border: 1px solid var(--line);
      background: rgba(10,25,48,.60);
      backdrop-filter: blur(16px);
      overflow: hidden;
      transition: border-color .25s ease, box-shadow .25s ease, background .25s ease;
    }

    .faq-item.active {
      border-color: rgba(53,214,255,.45);
      box-shadow: 0 0 28px rgba(53,214,255,.13);
      background: rgba(13,34,66,.72);
    }

    .faq-question {
      width: 100%;
      min-height: 66px;
      padding: 18px 22px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 18px;
      color: #fff;
      background: transparent;
      text-align: left;
      font-weight: 950;
    }

    .faq-icon {
      flex: 0 0 auto;
      width: 28px;
      height: 28px;
      border-radius: 10px;
      display: grid;
      place-items: center;
      border: 1px solid rgba(53,214,255,.25);
      color: #BEEBFF;
      transition: transform .25s ease, background .25s ease;
    }

    .faq-item.active .faq-icon {
      transform: rotate(45deg);
      background: rgba(53,214,255,.12);
    }

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height .32s ease;
    }

    .faq-answer p {
      margin: 0;
      padding: 0 22px 22px;
      color: var(--muted);
      font-size: 15px;
      line-height: 1.85;
    }

    .cta-box {
      border-radius: 34px;
      padding: 34px;
      background:
        radial-gradient(circle at 18% 18%, rgba(53,214,255,.18), transparent 35%),
        radial-gradient(circle at 90% 0%, rgba(49,233,129,.12), transparent 34%),
        linear-gradient(135deg, rgba(27,124,255,.16), rgba(10,25,48,.72));
      border: 1px solid rgba(130,190,255,.24);
      box-shadow: var(--shadow);
      overflow: hidden;
      position: relative;
    }

    .cta-box::before {
      content: "";
      position: absolute;
      inset: -1px;
      background: linear-gradient(120deg, rgba(53,214,255,.25), transparent 32%, rgba(49,233,129,.16));
      opacity: .48;
      pointer-events: none;
    }

    .contact-form {
      position: relative;
      display: grid;
      gap: 14px;
    }

    .form-field {
      width: 100%;
      min-height: 48px;
      border: 1px solid var(--line);
      border-radius: 16px;
      padding: 12px 14px;
      background: rgba(255,255,255,.06);
      color: var(--text);
      transition: border-color .25s ease, box-shadow .25s ease, background .25s ease;
    }

    .form-field::placeholder {
      color: rgba(185,199,217,.68);
    }

    .form-field:focus {
      border-color: rgba(53,214,255,.72);
      box-shadow: 0 0 22px rgba(53,214,255,.18);
      background: rgba(255,255,255,.085);
    }

    textarea.form-field {
      min-height: 118px;
      resize: vertical;
    }

    .site-footer {
      position: relative;
      padding: 64px 0 28px;
      background:
        linear-gradient(180deg, rgba(7,17,31,.10), rgba(5,10,20,.96)),
        #050A14;
      border-top: 1px solid rgba(135,180,255,.14);
    }

    .site-footer::before {
      content: "";
      position: absolute;
      top: -1px;
      left: 0;
      right: 0;
      height: 1px;
      background: linear-gradient(90deg, transparent, rgba(53,214,255,.65), rgba(49,233,129,.35), transparent);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.35fr repeat(3, .75fr);
      gap: 34px;
      padding-bottom: 38px;
    }

    .footer-brand p {
      margin: 16px 0 0;
      color: var(--muted);
      max-width: 430px;
      font-size: 14px;
    }

    .footer-title {
      color: #fff;
      font-weight: 950;
      margin-bottom: 14px;
    }

    .footer-links {
      display: grid;
      gap: 10px;
    }

    .footer-links a {
      color: var(--muted);
      font-size: 14px;
    }

    .footer-links a:hover {
      color: var(--secondary);
      transform: translateX(2px);
    }

    .beian {
      padding-top: 24px;
      border-top: 1px solid rgba(135,180,255,.12);
      text-align: center;
      color: var(--weak);
      font-size: 13px;
      line-height: 1.9;
    }

    .beian a:hover {
      color: var(--secondary);
    }

    @media (max-width: 1080px) {
      .desktop-nav {
        display: none;
      }

      .menu-toggle {
        display: inline-grid;
        place-items: center;
      }

      .search-shell {
        width: 270px;
      }

      .hero {
        min-height: auto;
      }

      .feature-grid,
      .focus-layout,
      .insight-grid {
        grid-template-columns: 1fr;
      }

      .feature-card.large {
        grid-row: auto;
      }

      .flow-wrap {
        grid-template-columns: repeat(2, 1fr);
      }

      .scenario-grid {
        grid-template-columns: repeat(2, 1fr);
      }

      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
    }

    @media (max-width: 768px) {
      .site-container {
        width: min(100% - 28px, 1240px);
      }

      .topbar {
        min-height: 64px;
      }

      .search-shell {
        display: none;
      }

      .mobile-panel .nav-link {
        width: 100%;
        justify-content: flex-start;
      }

      .trend-inner {
        padding-inline: 0;
      }

      .hero {
        padding: 66px 0 54px;
      }

      .hero-title {
        letter-spacing: -.045em;
      }

      .hero-subtitle {
        font-size: 16px;
      }

      .section,
      .section-tight {
        padding: 62px 0;
      }

      .section-heading {
        align-items: flex-start;
        flex-direction: column;
      }

      .stat-strip,
      .flow-wrap,
      .scenario-grid {
        grid-template-columns: 1fr;
      }

      .image-card {
        min-height: 430px;
        padding: 24px;
      }

      .score-item {
        grid-template-columns: 1fr;
        text-align: left;
      }

      .team.right {
        text-align: left;
      }

      .score-num {
        width: max-content;
      }

      .cta-box {
        padding: 24px;
        border-radius: 26px;
      }

      .footer-grid {
        grid-template-columns: 1fr;
        gap: 26px;
      }
    }

    @media (max-width: 520px) {
      .logo {
        font-size: 20px;
      }

      .hero-panel {
        padding: 18px;
      }

      .btn {
        width: 100%;
      }

      .hero .flex {
        width: 100%;
      }

      .feature-card,
      .flow-card,
      .scenario-card,
      .trend-panel {
        padding: 20px;
      }

      .section-heading h2 {
        font-size: 29px;
      }
    }

/* roulang page: category3 */
:root {
      --bg: #07111F;
      --bg-deep: #050A14;
      --bg-soft: #081426;
      --panel: rgba(10, 25, 48, 0.62);
      --panel-strong: rgba(12, 31, 60, 0.82);
      --primary: #1B7CFF;
      --secondary: #31E981;
      --accent: #FFB020;
      --cyan: #35D6FF;
      --text: #F4F8FF;
      --muted: #B9C7D9;
      --weak: #7F91AA;
      --line: rgba(135, 180, 255, 0.16);
      --line-strong: rgba(130, 190, 255, 0.28);
      --glass: rgba(255, 255, 255, 0.08);
      --glow: 0 0 28px rgba(53,214,255,.28);
      --shadow: 0 18px 60px rgba(0, 0, 0, 0.35);
      --radius-xl: 32px;
      --radius-lg: 24px;
      --radius-md: 16px;
    }

    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      min-height: 100vh;
      color: var(--text);
      font-family: system-ui, -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
      line-height: 1.75;
      background:
        radial-gradient(circle at 12% 8%, rgba(27,124,255,.22), transparent 34%),
        radial-gradient(circle at 88% 16%, rgba(49,233,129,.12), transparent 30%),
        radial-gradient(circle at 50% 86%, rgba(53,214,255,.10), transparent 34%),
        linear-gradient(180deg, #050A14 0%, #07111F 45%, #081426 100%);
      overflow-x: hidden;
    }
    body::before {
      content: "";
      position: fixed;
      inset: 0;
      pointer-events: none;
      opacity: .22;
      background-image:
        linear-gradient(rgba(135,180,255,.08) 1px, transparent 1px),
        linear-gradient(90deg, rgba(135,180,255,.08) 1px, transparent 1px);
      background-size: 46px 46px;
      mask-image: linear-gradient(to bottom, rgba(0,0,0,.8), rgba(0,0,0,.15));
      z-index: -1;
    }
    body::after {
      content: "";
      position: fixed;
      inset: auto -10% -20% -10%;
      height: 360px;
      pointer-events: none;
      background: radial-gradient(ellipse at center, rgba(49,233,129,.14), transparent 60%);
      filter: blur(18px);
      z-index: -1;
    }

    a { color: inherit; text-decoration: none; transition: color .22s ease, border-color .22s ease, background .22s ease, transform .22s ease; }
    img { max-width: 100%; display: block; }
    button, input, textarea, select { font: inherit; }
    button { border: 0; cursor: pointer; }
    input, textarea, select { outline: none; color: var(--text); }
    ::selection { background: rgba(53,214,255,.28); color: #fff; }

    .site-container {
      width: min(1180px, calc(100% - 40px));
      margin: 0 auto;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      background: rgba(5, 10, 20, 0.78);
      backdrop-filter: blur(18px);
      border-bottom: 1px solid var(--line);
      transition: box-shadow .25s ease, background .25s ease;
    }
    .site-header.is-scrolled {
      background: rgba(5, 10, 20, 0.9);
      box-shadow: 0 16px 44px rgba(0,0,0,.32);
    }
    .topbar {
      min-height: 70px;
      display: flex;
      align-items: center;
      gap: 22px;
      justify-content: space-between;
    }
    .logo {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      font-weight: 900;
      letter-spacing: .02em;
      color: var(--text);
      white-space: nowrap;
      font-size: 20px;
    }
    .logo-mark {
      width: 34px;
      height: 34px;
      border-radius: 12px;
      display: inline-block;
      position: relative;
      background:
        linear-gradient(135deg, rgba(27,124,255,.95), rgba(53,214,255,.9) 48%, rgba(49,233,129,.95));
      box-shadow: 0 0 28px rgba(53,214,255,.28);
      overflow: hidden;
    }
    .logo-mark::before {
      content: "";
      position: absolute;
      inset: 8px 6px;
      border-top: 2px solid rgba(255,255,255,.82);
      border-bottom: 2px solid rgba(255,255,255,.72);
      transform: skewX(-14deg);
    }
    .logo-mark::after {
      content: "";
      position: absolute;
      width: 8px;
      height: 8px;
      right: 7px;
      top: 7px;
      border-radius: 50%;
      background: #fff;
      box-shadow: 0 0 14px rgba(255,255,255,.8);
    }

    .desktop-nav {
      display: flex;
      align-items: center;
      gap: 4px;
      flex: 1;
      justify-content: center;
      min-width: 0;
    }
    .nav-link {
      position: relative;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 12px;
      border-radius: 999px;
      color: var(--muted);
      font-size: 14px;
      line-height: 1.2;
      white-space: nowrap;
    }
    .nav-link:hover {
      color: #fff;
      background: rgba(255,255,255,.06);
    }
    .nav-link.active {
      color: #fff;
      background: linear-gradient(135deg, rgba(27,124,255,.18), rgba(49,233,129,.10));
      border: 1px solid rgba(53,214,255,.22);
      box-shadow: inset 0 0 18px rgba(53,214,255,.06);
    }
    .nav-link.active::after {
      content: "";
      position: absolute;
      left: 50%;
      bottom: 4px;
      width: 26px;
      height: 2px;
      border-radius: 999px;
      transform: translateX(-50%);
      background: linear-gradient(90deg, var(--primary), var(--secondary));
      box-shadow: 0 0 12px rgba(53,214,255,.8);
    }
    .nav-actions {
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .search-shell {
      width: 250px;
      height: 42px;
      border: 1px solid var(--line);
      border-radius: 999px;
      display: flex;
      align-items: center;
      gap: 8px;
      padding: 0 14px;
      background: rgba(255,255,255,.05);
      color: var(--weak);
      transition: border-color .22s ease, box-shadow .22s ease, background .22s ease;
    }
    .search-shell:focus-within {
      border-color: rgba(53,214,255,.55);
      box-shadow: 0 0 0 4px rgba(53,214,255,.10);
      background: rgba(255,255,255,.07);
    }
    .search-shell input {
      width: 100%;
      border: 0;
      background: transparent;
      font-size: 13px;
    }
    .search-shell input::placeholder { color: rgba(185,199,217,.72); }
    .menu-toggle {
      display: none;
      width: 42px;
      height: 42px;
      border-radius: 14px;
      color: #fff;
      background: rgba(255,255,255,.08);
      border: 1px solid var(--line);
    }
    .menu-toggle:hover, .menu-toggle:focus {
      border-color: rgba(53,214,255,.48);
      box-shadow: 0 0 0 4px rgba(53,214,255,.1);
    }
    .mobile-panel {
      display: none;
      padding: 8px 0 16px;
      border-top: 1px solid var(--line);
    }
    .trend-row {
      border-top: 1px solid rgba(135,180,255,.10);
      background: rgba(7,17,31,.64);
    }
    .trend-inner {
      display: flex;
      align-items: center;
      gap: 10px;
      min-height: 42px;
      overflow-x: auto;
      scrollbar-width: none;
    }
    .trend-inner::-webkit-scrollbar { display: none; }
    .trend-label {
      color: var(--weak);
      font-size: 13px;
      white-space: nowrap;
    }
    .tag, .badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      border: 1px solid var(--line);
      color: var(--muted);
      background: rgba(255,255,255,.05);
      border-radius: 999px;
      padding: 7px 11px;
      font-size: 12px;
      line-height: 1;
      white-space: nowrap;
    }
    .tag:hover, .badge:hover {
      color: #fff;
      border-color: rgba(53,214,255,.46);
      background: rgba(53,214,255,.08);
      transform: translateY(-1px);
    }
    .tag.hot {
      color: #FFE4AD;
      border-color: rgba(255,176,32,.36);
      background: rgba(255,176,32,.08);
    }
    .tag.live {
      color: #B7FFD9;
      border-color: rgba(49,233,129,.36);
      background: rgba(49,233,129,.08);
    }

    main { position: relative; }
    .section {
      padding: 92px 0;
      position: relative;
    }
    .section-tight { padding: 64px 0; }
    .section-head {
      max-width: 780px;
      margin-bottom: 34px;
    }
    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: #B7FFD9;
      background: rgba(49,233,129,.08);
      border: 1px solid rgba(49,233,129,.22);
      padding: 7px 12px;
      border-radius: 999px;
      font-size: 13px;
      margin-bottom: 18px;
    }
    .eyebrow::before {
      content: "";
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--secondary);
      box-shadow: 0 0 16px rgba(49,233,129,.8);
    }
    .gradient-text {
      background: linear-gradient(90deg, #fff, #35D6FF 48%, #31E981);
      -webkit-background-clip: text;
      background-clip: text;
      color: transparent;
    }
    .hero {
      min-height: 720px;
      padding: 92px 0 82px;
      overflow: hidden;
      background:
        linear-gradient(180deg, rgba(5,10,20,.68), rgba(7,17,31,.92)),
        linear-gradient(90deg, rgba(5,10,20,.9) 0%, rgba(5,10,20,.42) 52%, rgba(5,10,20,.85) 100%),
        url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
    }
    .hero::before {
      content: "";
      position: absolute;
      inset: 0;
      pointer-events: none;
      background:
        radial-gradient(circle at 70% 20%, rgba(53,214,255,.18), transparent 32%),
        linear-gradient(110deg, transparent 0 40%, rgba(49,233,129,.08) 41% 43%, transparent 44% 100%);
    }
    .hero-grid {
      position: relative;
      z-index: 1;
      display: grid;
      grid-template-columns: minmax(0, 1.08fr) minmax(360px, .72fr);
      gap: 36px;
      align-items: center;
    }
    .hero h1 {
      font-size: clamp(38px, 5.4vw, 68px);
      line-height: 1.08;
      letter-spacing: -0.04em;
      font-weight: 900;
      margin: 0 0 22px;
    }
    .hero p {
      color: var(--muted);
      font-size: 18px;
      max-width: 680px;
      margin: 0;
    }
    .hero-actions {
      display: flex;
      gap: 14px;
      flex-wrap: wrap;
      margin-top: 30px;
    }
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      min-height: 46px;
      padding: 0 20px;
      border-radius: 999px;
      font-weight: 800;
      font-size: 14px;
      border: 1px solid transparent;
      transition: transform .22s ease, box-shadow .22s ease, background .22s ease, border-color .22s ease;
    }
    .btn-primary {
      background: linear-gradient(135deg, var(--primary), var(--cyan));
      color: #fff;
      box-shadow: 0 0 24px rgba(53,214,255,.35), 0 14px 34px rgba(27,124,255,.2);
    }
    .btn-primary:hover {
      transform: translateY(-2px);
      filter: brightness(1.08);
      box-shadow: 0 0 34px rgba(53,214,255,.48), 0 18px 40px rgba(27,124,255,.28);
    }
    .btn-secondary {
      color: var(--text);
      background: rgba(255,255,255,.06);
      border-color: rgba(135,180,255,.24);
    }
    .btn-secondary:hover {
      transform: translateY(-2px);
      background: rgba(255,255,255,.10);
      border-color: rgba(53,214,255,.45);
    }
    .trust-row {
      display: flex;
      gap: 10px;
      flex-wrap: wrap;
      margin-top: 26px;
    }

    .glass-card {
      position: relative;
      overflow: hidden;
      background: var(--panel);
      border: 1px solid var(--line);
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow);
      backdrop-filter: blur(18px);
      transition: transform .24s ease, border-color .24s ease, background .24s ease, box-shadow .24s ease;
    }
    .glass-card::before {
      content: "";
      position: absolute;
      inset: 0;
      pointer-events: none;
      background: linear-gradient(135deg, rgba(255,255,255,.09), transparent 34%, rgba(53,214,255,.05));
      opacity: .8;
    }
    .glass-card > * { position: relative; z-index: 1; }
    .glass-card:hover {
      transform: translateY(-4px);
      border-color: rgba(53,214,255,.42);
      background: rgba(13,34,64,.72);
      box-shadow: var(--shadow), var(--glow);
    }
    .hero-panel {
      border-radius: var(--radius-xl);
      padding: 24px;
    }
    .screen-lines {
      display: grid;
      gap: 12px;
      margin-top: 18px;
    }
    .match-line {
      display: grid;
      grid-template-columns: 1fr auto 1fr;
      gap: 12px;
      align-items: center;
      padding: 14px;
      border: 1px solid rgba(135,180,255,.13);
      background: rgba(255,255,255,.04);
      border-radius: 18px;
    }
    .match-line .team {
      min-width: 0;
      font-weight: 800;
      font-size: 14px;
    }
    .match-line .team:last-child { text-align: right; }
    .score-pill {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-width: 72px;
      height: 34px;
      border-radius: 999px;
      color: #09111C;
      font-weight: 900;
      background: linear-gradient(135deg, #31E981, #35D6FF);
      box-shadow: 0 0 18px rgba(49,233,129,.25);
      font-variant-numeric: tabular-nums;
    }
    .status-bar {
      display: flex;
      justify-content: space-between;
      gap: 12px;
      align-items: center;
      margin-bottom: 16px;
    }
    .status {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: #B7FFD9;
      font-size: 13px;
    }
    .status::before {
      content: "";
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--secondary);
      box-shadow: 0 0 14px rgba(49,233,129,.8);
    }
    .mini-stat-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 12px;
      margin-top: 18px;
    }
    .mini-stat {
      border-radius: 18px;
      padding: 14px;
      background: rgba(255,255,255,.045);
      border: 1px solid rgba(135,180,255,.12);
    }
    .mini-stat strong {
      display: block;
      font-size: 24px;
      line-height: 1;
      font-variant-numeric: tabular-nums;
    }
    .mini-stat span {
      display: block;
      color: var(--weak);
      font-size: 12px;
      margin-top: 6px;
    }

    .feature-layout {
      display: grid;
      grid-template-columns: 1.2fr .8fr;
      gap: 24px;
      align-items: stretch;
    }
    .feature-card {
      padding: 28px;
      min-height: 260px;
    }
    .feature-card.large {
      min-height: 430px;
      background:
        linear-gradient(180deg, rgba(5,10,20,.16), rgba(5,10,20,.78)),
        url('/assets/images/coverpic/cover-7.webp') center/cover no-repeat;
    }
    .feature-card h2, .section-head h2, .cta h2 {
      font-size: clamp(30px, 4vw, 46px);
      line-height: 1.14;
      font-weight: 900;
      letter-spacing: -0.03em;
      margin: 0 0 14px;
    }
    .feature-card h3 {
      font-size: 24px;
      font-weight: 900;
      margin: 0 0 10px;
    }
    .feature-card p, .section-head p, .focus-copy p, .workflow p, .faq-answer {
      color: var(--muted);
      margin: 0;
    }
    .feature-stack {
      display: grid;
      grid-template-columns: 1fr;
      gap: 24px;
    }
    .chip-list {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 22px;
    }
    .media-card {
      min-height: 300px;
      background: var(--panel);
      display: grid;
      grid-template-columns: .86fr 1.14fr;
      overflow: hidden;
    }
    .media-card .media {
      min-height: 100%;
      background: linear-gradient(180deg, rgba(5,10,20,.12), rgba(5,10,20,.72)), url('/assets/images/coverpic/cover-8.webp') center/cover no-repeat;
    }
    .media-card .focus-copy {
      padding: 30px;
    }
    .focus-list {
      display: grid;
      gap: 14px;
      margin-top: 22px;
    }
    .focus-item {
      display: flex;
      gap: 12px;
      align-items: flex-start;
      padding: 14px;
      border-radius: 18px;
      background: rgba(255,255,255,.045);
      border: 1px solid rgba(135,180,255,.12);
    }
    .focus-item .dot {
      width: 24px;
      height: 24px;
      flex: 0 0 24px;
      border-radius: 9px;
      background: linear-gradient(135deg, var(--primary), var(--secondary));
      box-shadow: 0 0 18px rgba(53,214,255,.25);
      margin-top: 2px;
    }
    .focus-item strong { display: block; margin-bottom: 2px; }
    .focus-item span { color: var(--weak); font-size: 14px; }

    .scenario-grid {
      display: grid;
      grid-template-columns: repeat(12, 1fr);
      gap: 18px;
    }
    .scenario-card {
      padding: 24px;
      min-height: 220px;
    }
    .scenario-card:nth-child(1) { grid-column: span 5; }
    .scenario-card:nth-child(2) { grid-column: span 4; }
    .scenario-card:nth-child(3) { grid-column: span 3; }
    .scenario-card:nth-child(4) { grid-column: span 4; }
    .scenario-card:nth-child(5) { grid-column: span 3; }
    .scenario-card:nth-child(6) { grid-column: span 5; }
    .scenario-card h3 {
      font-size: 22px;
      font-weight: 900;
      margin: 14px 0 8px;
    }
    .scenario-card p { color: var(--muted); margin: 0; }
    .icon-box {
      width: 44px;
      height: 44px;
      border-radius: 16px;
      display: grid;
      place-items: center;
      background: rgba(53,214,255,.10);
      border: 1px solid rgba(53,214,255,.20);
      color: #B7F4FF;
      font-weight: 900;
      box-shadow: inset 0 0 18px rgba(53,214,255,.06);
    }

    .workflow-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
      counter-reset: step;
    }
    .workflow {
      padding: 24px;
      min-height: 250px;
      counter-increment: step;
    }
    .workflow::after {
      content: "0" counter(step);
      position: absolute;
      right: 20px;
      top: 16px;
      color: rgba(244,248,255,.08);
      font-size: 64px;
      font-weight: 900;
      line-height: 1;
    }
    .workflow h3 {
      font-size: 21px;
      font-weight: 900;
      margin: 18px 0 10px;
    }
    .workflow .step-line {
      width: 48px;
      height: 3px;
      border-radius: 999px;
      background: linear-gradient(90deg, var(--primary), var(--secondary));
      box-shadow: 0 0 18px rgba(53,214,255,.35);
    }

    .data-band {
      display: grid;
      grid-template-columns: 1fr 1.2fr;
      gap: 24px;
      align-items: center;
    }
    .data-panel {
      padding: 28px;
    }
    .bar-list { display: grid; gap: 16px; }
    .bar-item strong {
      display: flex;
      justify-content: space-between;
      font-size: 14px;
      margin-bottom: 8px;
    }
    .bar {
      height: 12px;
      border-radius: 999px;
      background: rgba(255,255,255,.07);
      border: 1px solid rgba(135,180,255,.10);
      overflow: hidden;
    }
    .bar span {
      display: block;
      height: 100%;
      border-radius: inherit;
      background: linear-gradient(90deg, var(--primary), var(--cyan), var(--secondary));
      box-shadow: 0 0 18px rgba(53,214,255,.32);
    }

    .faq-list {
      display: grid;
      gap: 14px;
    }
    .faq-item {
      border-radius: 22px;
      background: rgba(10,25,48,.58);
      border: 1px solid var(--line);
      overflow: hidden;
      backdrop-filter: blur(18px);
      transition: border-color .22s ease, box-shadow .22s ease, background .22s ease;
    }
    .faq-item.active {
      border-color: rgba(53,214,255,.42);
      box-shadow: var(--glow);
      background: rgba(13,34,64,.74);
    }
    .faq-question {
      width: 100%;
      min-height: 68px;
      padding: 20px 24px;
      background: transparent;
      color: #fff;
      text-align: left;
      display: flex;
      justify-content: space-between;
      gap: 18px;
      align-items: center;
      font-weight: 900;
    }
    .faq-question span:last-child {
      width: 30px;
      height: 30px;
      flex: 0 0 30px;
      border-radius: 50%;
      display: grid;
      place-items: center;
      background: rgba(255,255,255,.07);
      color: var(--cyan);
      transition: transform .22s ease;
    }
    .faq-item.active .faq-question span:last-child { transform: rotate(45deg); }
    .faq-answer {
      display: none;
      padding: 0 24px 22px;
      border-top: 1px solid rgba(135,180,255,.10);
    }
    .faq-item.active .faq-answer { display: block; }

    .cta {
      padding: 38px;
      border-radius: var(--radius-xl);
      background:
        linear-gradient(135deg, rgba(27,124,255,.22), rgba(49,233,129,.10)),
        linear-gradient(180deg, rgba(10,25,48,.88), rgba(5,10,20,.88));
      border: 1px solid rgba(53,214,255,.24);
      box-shadow: var(--shadow), var(--glow);
      overflow: hidden;
      position: relative;
    }
    .cta::before {
      content: "";
      position: absolute;
      right: -120px;
      top: -160px;
      width: 360px;
      height: 360px;
      border-radius: 50%;
      background: radial-gradient(circle, rgba(53,214,255,.22), transparent 62%);
    }
    .cta-grid {
      position: relative;
      z-index: 1;
      display: grid;
      grid-template-columns: 1fr 380px;
      gap: 28px;
      align-items: center;
    }
    .contact-card {
      padding: 20px;
      border-radius: 24px;
      background: rgba(255,255,255,.06);
      border: 1px solid rgba(135,180,255,.18);
    }
    .form-grid { display: grid; gap: 12px; }
    .input-field {
      width: 100%;
      min-height: 46px;
      border-radius: 16px;
      border: 1px solid rgba(135,180,255,.18);
      background: rgba(5,10,20,.38);
      padding: 0 14px;
      color: #fff;
      transition: border-color .22s ease, box-shadow .22s ease, background .22s ease;
    }
    textarea.input-field {
      min-height: 98px;
      resize: vertical;
      padding-top: 12px;
    }
    .input-field::placeholder { color: rgba(185,199,217,.62); }
    .input-field:focus {
      border-color: rgba(53,214,255,.56);
      box-shadow: 0 0 0 4px rgba(53,214,255,.10);
      background: rgba(5,10,20,.52);
    }

    .site-footer {
      background: linear-gradient(180deg, rgba(5,10,20,.25), rgba(5,10,20,.96));
      border-top: 1px solid var(--line);
      padding: 58px 0 32px;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.25fr .8fr .7fr .8fr;
      gap: 28px;
      padding-bottom: 34px;
      border-bottom: 1px solid rgba(135,180,255,.12);
    }
    .footer-brand p {
      color: var(--muted);
      margin: 16px 0 0;
      max-width: 380px;
      font-size: 14px;
    }
    .footer-title {
      color: #fff;
      font-weight: 900;
      margin-bottom: 14px;
    }
    .footer-links {
      display: grid;
      gap: 10px;
    }
    .footer-links a {
      color: var(--muted);
      font-size: 14px;
    }
    .footer-links a:hover {
      color: var(--cyan);
      transform: translateX(2px);
    }
    .beian {
      text-align: center;
      color: var(--weak);
      font-size: 13px;
      padding-top: 24px;
    }
    .beian a:hover { color: var(--cyan); }

    @media (max-width: 1120px) {
      .desktop-nav { display: none; }
      .menu-toggle { display: inline-grid; place-items: center; }
      .mobile-panel.open {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 8px;
      }
      .search-shell { width: 290px; }
      .hero-grid, .feature-layout, .data-band, .cta-grid {
        grid-template-columns: 1fr;
      }
      .hero { min-height: auto; }
      .workflow-grid { grid-template-columns: repeat(2, 1fr); }
      .scenario-card:nth-child(n) { grid-column: span 6; }
      .footer-grid { grid-template-columns: repeat(2, 1fr); }
    }

    @media (max-width: 768px) {
      .site-container { width: min(100% - 28px, 1180px); }
      .topbar { min-height: 64px; gap: 12px; }
      .search-shell { display: none; }
      .mobile-panel.open { grid-template-columns: 1fr; }
      .trend-inner { min-height: 46px; }
      .hero { padding: 58px 0 58px; }
      .hero-grid { gap: 22px; }
      .hero p { font-size: 16px; }
      .section { padding: 64px 0; }
      .section-tight { padding: 48px 0; }
      .hero-actions { flex-direction: column; align-items: stretch; }
      .btn { width: 100%; }
      .mini-stat-grid, .workflow-grid, .scenario-grid {
        grid-template-columns: 1fr;
      }
      .scenario-card:nth-child(n) { grid-column: auto; }
      .media-card { grid-template-columns: 1fr; }
      .media-card .media { min-height: 210px; }
      .feature-card, .feature-card.large, .data-panel, .cta { padding: 22px; }
      .match-line { grid-template-columns: 1fr; text-align: left; }
      .match-line .team:last-child { text-align: left; }
      .score-pill { width: fit-content; }
      .footer-grid { grid-template-columns: 1fr; }
    }

    @media (max-width: 520px) {
      .logo { font-size: 18px; }
      .logo-mark { width: 30px; height: 30px; border-radius: 10px; }
      .hero h1 { font-size: 36px; }
      .feature-card h2, .section-head h2, .cta h2 { font-size: 30px; }
      .hero-panel { padding: 18px; border-radius: 24px; }
      .status-bar { align-items: flex-start; flex-direction: column; }
      .faq-question { padding: 18px; font-size: 15px; }
      .faq-answer { padding: 0 18px 18px; font-size: 14px; }
      .beian { font-size: 12px; }
    }

/* roulang page: category4 */
:root {
      --bg: #07111F;
      --bg-deep: #050A14;
      --bg-soft: #0B1E36;
      --primary: #1B7CFF;
      --secondary: #31E981;
      --accent: #FFB020;
      --cyan: #35D6FF;
      --text: #F4F8FF;
      --muted: #B9C7D9;
      --weak: #7F91AA;
      --line: rgba(135, 180, 255, 0.16);
      --line-strong: rgba(53, 214, 255, 0.36);
      --glass: rgba(10, 25, 48, 0.62);
      --glass-strong: rgba(13, 33, 64, 0.78);
      --shadow: 0 18px 60px rgba(0, 0, 0, 0.35);
      --glow: 0 0 28px rgba(53, 214, 255, 0.34);
      --radius-lg: 32px;
      --radius-md: 24px;
      --radius-sm: 16px;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: system-ui, -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
      color: var(--text);
      background:
        radial-gradient(circle at 10% 8%, rgba(27, 124, 255, 0.24), transparent 34%),
        radial-gradient(circle at 92% 18%, rgba(49, 233, 129, 0.14), transparent 32%),
        radial-gradient(circle at 55% 86%, rgba(255, 176, 32, 0.09), transparent 35%),
        linear-gradient(145deg, var(--bg-deep), var(--bg) 42%, #081426);
      line-height: 1.75;
      min-height: 100vh;
      overflow-x: hidden;
    }

    body::before {
      content: "";
      position: fixed;
      inset: 0;
      pointer-events: none;
      z-index: -1;
      background-image:
        linear-gradient(rgba(135, 180, 255, 0.055) 1px, transparent 1px),
        linear-gradient(90deg, rgba(135, 180, 255, 0.055) 1px, transparent 1px);
      background-size: 48px 48px;
      mask-image: linear-gradient(to bottom, rgba(0,0,0,.82), transparent 82%);
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: color .22s ease, border-color .22s ease, background .22s ease, transform .22s ease;
    }

    img {
      display: block;
      max-width: 100%;
      height: auto;
    }

    button,
    input,
    textarea,
    select {
      font: inherit;
    }

    button {
      cursor: pointer;
      border: 0;
    }

    input,
    textarea,
    select {
      outline: none;
    }

    :focus-visible {
      outline: 2px solid rgba(53, 214, 255, .78);
      outline-offset: 4px;
    }

    .site-container {
      width: min(1220px, calc(100% - 40px));
      margin-inline: auto;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 60;
      background: rgba(5, 10, 20, 0.78);
      backdrop-filter: blur(18px);
      border-bottom: 1px solid var(--line);
      transition: box-shadow .25s ease, background .25s ease;
    }

    .site-header.is-scrolled {
      background: rgba(5, 10, 20, 0.9);
      box-shadow: 0 12px 36px rgba(0,0,0,.32);
    }

    .topbar {
      min-height: 68px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
    }

    .logo {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      font-weight: 850;
      letter-spacing: -0.02em;
      color: #fff;
      white-space: nowrap;
      font-size: 21px;
    }

    .logo-mark {
      width: 34px;
      height: 34px;
      border-radius: 12px;
      position: relative;
      background:
        linear-gradient(135deg, rgba(27,124,255,.95), rgba(53,214,255,.95) 48%, rgba(49,233,129,.92));
      box-shadow: 0 0 22px rgba(53, 214, 255, .42);
      overflow: hidden;
    }

    .logo-mark::before {
      content: "";
      position: absolute;
      inset: 9px 7px;
      border: 2px solid rgba(255,255,255,.85);
      border-radius: 50%;
      transform: rotate(-18deg);
    }

    .logo-mark::after {
      content: "";
      position: absolute;
      left: 7px;
      right: 7px;
      top: 16px;
      height: 2px;
      background: rgba(255,255,255,.9);
      transform: rotate(18deg);
    }

    .desktop-nav {
      display: flex;
      align-items: center;
      gap: 4px;
      flex: 1;
      justify-content: center;
      min-width: 0;
    }

    .nav-link {
      position: relative;
      display: inline-flex;
      align-items: center;
      min-height: 40px;
      padding: 8px 13px;
      border-radius: 999px;
      color: var(--muted);
      font-size: 14px;
      font-weight: 650;
      white-space: nowrap;
    }

    .nav-link:hover {
      color: var(--text);
      background: rgba(255,255,255,.06);
    }

    .nav-link.active {
      color: #fff;
      background: linear-gradient(135deg, rgba(27,124,255,.24), rgba(49,233,129,.11));
      border: 1px solid rgba(53, 214, 255, .22);
      box-shadow: inset 0 0 20px rgba(53,214,255,.08);
    }

    .nav-link.active::after {
      content: "";
      position: absolute;
      left: 18px;
      right: 18px;
      bottom: 4px;
      height: 2px;
      border-radius: 99px;
      background: linear-gradient(90deg, var(--primary), var(--secondary));
      box-shadow: 0 0 12px rgba(53,214,255,.55);
    }

    .nav-actions {
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .search-shell {
      width: 250px;
      height: 42px;
      padding: 0 14px;
      border-radius: 999px;
      background: rgba(255,255,255,.055);
      border: 1px solid rgba(135,180,255,.18);
      display: flex;
      align-items: center;
      gap: 8px;
      color: var(--weak);
      transition: border-color .22s ease, box-shadow .22s ease, background .22s ease;
    }

    .search-shell:focus-within {
      border-color: rgba(53,214,255,.55);
      box-shadow: 0 0 0 4px rgba(53,214,255,.08), var(--glow);
      background: rgba(255,255,255,.08);
    }

    .search-shell input {
      width: 100%;
      min-width: 0;
      color: var(--text);
      background: transparent;
      border: 0;
      font-size: 14px;
    }

    .search-shell input::placeholder {
      color: rgba(185,199,217,.72);
    }

    .menu-toggle {
      display: none;
      width: 42px;
      height: 42px;
      border-radius: 14px;
      color: var(--text);
      background: rgba(255,255,255,.07);
      border: 1px solid var(--line);
    }

    .mobile-panel {
      display: none;
      padding: 0 0 16px;
      border-top: 1px solid rgba(135,180,255,.12);
    }

    .mobile-panel.open {
      display: grid;
      grid-template-columns: 1fr;
      gap: 8px;
    }

    .trend-row {
      border-top: 1px solid rgba(135,180,255,.1);
      background: rgba(8, 20, 38, .58);
    }

    .trend-inner {
      min-height: 42px;
      display: flex;
      align-items: center;
      gap: 9px;
      overflow-x: auto;
      scrollbar-width: none;
      padding-block: 8px;
    }

    .trend-inner::-webkit-scrollbar {
      display: none;
    }

    .trend-label {
      color: var(--weak);
      font-size: 13px;
      flex: 0 0 auto;
    }

    .tag,
    .badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      border-radius: 999px;
      padding: 6px 11px;
      font-size: 12px;
      font-weight: 750;
      letter-spacing: .02em;
      color: #dcecff;
      background: rgba(255,255,255,.055);
      border: 1px solid rgba(135,180,255,.16);
      white-space: nowrap;
    }

    .tag:hover,
    .badge:hover {
      color: #fff;
      border-color: rgba(53,214,255,.46);
      background: rgba(53,214,255,.1);
    }

    .tag.hot {
      border-color: rgba(255,176,32,.34);
      color: #ffe1a3;
    }

    .tag.live {
      border-color: rgba(49,233,129,.36);
      color: #b8ffd9;
    }

    .hero-section {
      position: relative;
      overflow: hidden;
      min-height: 690px;
      padding: 92px 0 76px;
    }

    .hero-bg {
      position: absolute;
      inset: 0;
      z-index: -2;
    }

    .hero-bg img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      filter: saturate(1.05) contrast(1.08);
      opacity: .34;
    }

    .hero-section::before {
      content: "";
      position: absolute;
      inset: 0;
      z-index: -1;
      background:
        linear-gradient(90deg, rgba(5,10,20,.95), rgba(7,17,31,.8) 48%, rgba(7,17,31,.54)),
        radial-gradient(circle at 76% 22%, rgba(53,214,255,.22), transparent 36%),
        linear-gradient(to bottom, rgba(5,10,20,.18), var(--bg) 96%);
    }

    .section {
      padding: 96px 0;
      position: relative;
    }

    .section-tight {
      padding: 72px 0;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 8px 12px;
      border-radius: 999px;
      border: 1px solid rgba(53,214,255,.28);
      background: rgba(53,214,255,.08);
      color: #cdefff;
      font-size: 13px;
      font-weight: 800;
      letter-spacing: .06em;
    }

    .eyebrow::before {
      content: "";
      width: 8px;
      height: 8px;
      border-radius: 999px;
      background: var(--secondary);
      box-shadow: 0 0 14px rgba(49,233,129,.8);
    }

    .gradient-text {
      background: linear-gradient(90deg, #fff, #8deaff 45%, #b7ffd6);
      -webkit-background-clip: text;
      background-clip: text;
      color: transparent;
    }

    .hero-title {
      margin: 24px 0 22px;
      max-width: 780px;
      font-size: clamp(2.35rem, 6vw, 4.55rem);
      line-height: 1.08;
      font-weight: 900;
      letter-spacing: -0.055em;
    }

    .lead {
      color: var(--muted);
      font-size: 18px;
      line-height: 1.85;
      max-width: 720px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 9px;
      min-height: 48px;
      padding: 13px 20px;
      border-radius: 999px;
      font-weight: 850;
      font-size: 15px;
      transition: transform .22s ease, box-shadow .22s ease, background .22s ease, border-color .22s ease;
      user-select: none;
      white-space: nowrap;
    }

    .btn-primary {
      color: #fff;
      background: linear-gradient(135deg, var(--primary), var(--cyan));
      box-shadow: 0 0 24px rgba(53,214,255,.34), 0 16px 34px rgba(27,124,255,.18);
    }

    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 0 34px rgba(53,214,255,.48), 0 18px 42px rgba(27,124,255,.28);
      filter: brightness(1.06);
    }

    .btn-secondary {
      color: var(--text);
      background: rgba(255,255,255,.06);
      border: 1px solid rgba(135,180,255,.24);
    }

    .btn-secondary:hover {
      transform: translateY(-2px);
      background: rgba(255,255,255,.09);
      border-color: rgba(53,214,255,.42);
    }

    .glass-card {
      background: var(--glass);
      border: 1px solid var(--line);
      border-radius: var(--radius-md);
      box-shadow: var(--shadow);
      backdrop-filter: blur(18px);
      transition: transform .24s ease, border-color .24s ease, box-shadow .24s ease, background .24s ease;
    }

    .glass-card:hover {
      transform: translateY(-4px);
      border-color: rgba(53,214,255,.38);
      background: rgba(13, 33, 64, 0.72);
      box-shadow: 0 22px 70px rgba(0,0,0,.42), 0 0 24px rgba(53,214,255,.12);
    }

    .hero-panel {
      border-radius: var(--radius-lg);
      background: linear-gradient(145deg, rgba(10,25,48,.74), rgba(10,25,48,.48));
      border: 1px solid rgba(135,180,255,.2);
      box-shadow: var(--shadow);
      backdrop-filter: blur(18px);
      overflow: hidden;
    }

    .score-line {
      display: grid;
      grid-template-columns: 1fr auto 1fr;
      align-items: center;
      gap: 12px;
      padding: 14px 0;
      border-bottom: 1px solid rgba(135,180,255,.12);
    }

    .score-line:last-child {
      border-bottom: 0;
    }

    .score {
      color: #fff;
      font-size: 24px;
      font-weight: 900;
      font-variant-numeric: tabular-nums;
      letter-spacing: .02em;
    }

    .stat-card {
      min-height: 128px;
      padding: 22px;
      border-radius: 24px;
      background:
        linear-gradient(145deg, rgba(255,255,255,.075), rgba(255,255,255,.03)),
        rgba(10,25,48,.56);
      border: 1px solid rgba(135,180,255,.16);
    }

    .stat-num {
      font-size: 34px;
      line-height: 1;
      font-weight: 900;
      color: #fff;
      font-variant-numeric: tabular-nums;
    }

    .section-head {
      display: flex;
      justify-content: space-between;
      gap: 28px;
      align-items: flex-end;
      margin-bottom: 34px;
    }

    .section-title {
      font-size: clamp(2rem, 4vw, 3rem);
      line-height: 1.16;
      font-weight: 900;
      letter-spacing: -0.04em;
      margin: 14px 0 0;
    }

    .section-desc {
      max-width: 560px;
      color: var(--muted);
      font-size: 16px;
      line-height: 1.85;
    }

    .feature-image-card {
      position: relative;
      min-height: 440px;
      overflow: hidden;
      border-radius: var(--radius-lg);
      border: 1px solid rgba(135,180,255,.18);
      box-shadow: var(--shadow);
      background: #07111f;
    }

    .feature-image-card img {
      width: 100%;
      height: 100%;
      min-height: 440px;
      object-fit: cover;
      transition: transform .45s ease;
      opacity: .82;
    }

    .feature-image-card:hover img {
      transform: scale(1.045);
    }

    .image-overlay {
      position: absolute;
      inset: 0;
      background:
        linear-gradient(to top, rgba(5,10,20,.95), rgba(5,10,20,.34) 55%, rgba(5,10,20,.15)),
        radial-gradient(circle at 70% 30%, rgba(53,214,255,.24), transparent 34%);
    }

    .image-content {
      position: absolute;
      inset: auto 28px 28px;
    }

    .topic-wall {
      display: grid;
      grid-template-columns: 1.2fr .8fr 1fr;
      gap: 18px;
    }

    .topic-card {
      position: relative;
      overflow: hidden;
      padding: 26px;
      min-height: 238px;
      border-radius: 28px;
      background:
        linear-gradient(145deg, rgba(10,25,48,.72), rgba(10,25,48,.45));
      border: 1px solid rgba(135,180,255,.16);
      box-shadow: var(--shadow);
      backdrop-filter: blur(18px);
      transition: transform .24s ease, border-color .24s ease, background .24s ease;
    }

    .topic-card::after {
      content: "";
      position: absolute;
      right: -42px;
      top: -42px;
      width: 150px;
      height: 150px;
      border-radius: 50%;
      background: radial-gradient(circle, rgba(53,214,255,.2), transparent 68%);
      opacity: .8;
    }

    .topic-card.large {
      grid-row: span 2;
      min-height: 496px;
      background:
        linear-gradient(to top, rgba(5,10,20,.92), rgba(5,10,20,.34)),
        url('/assets/images/coverpic/cover-9.webp') center/cover no-repeat;
    }

    .topic-card.tall {
      grid-row: span 2;
      background:
        linear-gradient(145deg, rgba(27,124,255,.16), rgba(10,25,48,.62));
    }

    .topic-card:hover {
      transform: translateY(-4px);
      border-color: rgba(53,214,255,.42);
      background-color: rgba(13,33,64,.78);
    }

    .data-strip {
      position: relative;
      overflow: hidden;
      border-radius: var(--radius-lg);
      border: 1px solid rgba(135,180,255,.18);
      background:
        linear-gradient(135deg, rgba(27,124,255,.16), rgba(49,233,129,.08)),
        rgba(10,25,48,.64);
      box-shadow: var(--shadow);
    }

    .data-strip::before {
      content: "";
      position: absolute;
      inset: 0;
      opacity: .2;
      background-image:
        linear-gradient(90deg, rgba(53,214,255,.22) 1px, transparent 1px),
        linear-gradient(rgba(53,214,255,.22) 1px, transparent 1px);
      background-size: 34px 34px;
    }

    .flow-step {
      position: relative;
      padding: 24px;
      border-radius: 24px;
      background: rgba(255,255,255,.055);
      border: 1px solid rgba(135,180,255,.16);
    }

    .flow-step::before {
      content: attr(data-step);
      display: inline-flex;
      width: 34px;
      height: 34px;
      align-items: center;
      justify-content: center;
      border-radius: 12px;
      margin-bottom: 16px;
      color: #06111f;
      font-weight: 950;
      background: linear-gradient(135deg, var(--secondary), var(--cyan));
      box-shadow: 0 0 18px rgba(49,233,129,.24);
    }

    .scenario-card {
      display: grid;
      grid-template-columns: 88px 1fr;
      gap: 18px;
      align-items: center;
      padding: 18px;
      border-radius: 24px;
      background: rgba(255,255,255,.052);
      border: 1px solid rgba(135,180,255,.14);
      transition: transform .22s ease, border-color .22s ease, background .22s ease;
    }

    .scenario-card:hover {
      transform: translateY(-3px);
      border-color: rgba(53,214,255,.36);
      background: rgba(255,255,255,.075);
    }

    .scenario-icon {
      width: 88px;
      height: 88px;
      border-radius: 24px;
      display: grid;
      place-items: center;
      font-size: 28px;
      background:
        radial-gradient(circle at 30% 20%, rgba(255,255,255,.2), transparent 40%),
        linear-gradient(135deg, rgba(27,124,255,.44), rgba(49,233,129,.18));
      border: 1px solid rgba(53,214,255,.22);
    }

    .faq-item {
      overflow: hidden;
      border-radius: 22px;
      border: 1px solid rgba(135,180,255,.15);
      background: rgba(10,25,48,.58);
      backdrop-filter: blur(16px);
      transition: border-color .22s ease, box-shadow .22s ease, background .22s ease;
    }

    .faq-item.active {
      border-color: rgba(53,214,255,.45);
      box-shadow: 0 0 26px rgba(53,214,255,.12);
      background: rgba(13,33,64,.74);
    }

    .faq-question {
      width: 100%;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      padding: 22px 24px;
      color: var(--text);
      background: transparent;
      text-align: left;
      font-weight: 850;
      font-size: 17px;
    }

    .faq-question span:last-child {
      width: 28px;
      height: 28px;
      flex: 0 0 auto;
      display: grid;
      place-items: center;
      border-radius: 999px;
      color: #dff7ff;
      background: rgba(53,214,255,.11);
      border: 1px solid rgba(53,214,255,.22);
      transition: transform .22s ease;
    }

    .faq-item.active .faq-question span:last-child {
      transform: rotate(45deg);
    }

    .faq-answer {
      display: none;
      padding: 0 24px 24px;
      color: var(--muted);
      line-height: 1.85;
    }

    .faq-item.active .faq-answer {
      display: block;
    }

    .cta-panel {
      position: relative;
      overflow: hidden;
      border-radius: 36px;
      padding: 44px;
      background:
        linear-gradient(135deg, rgba(27,124,255,.2), rgba(49,233,129,.1)),
        rgba(10,25,48,.72);
      border: 1px solid rgba(53,214,255,.24);
      box-shadow: var(--shadow), 0 0 42px rgba(53,214,255,.12);
      backdrop-filter: blur(18px);
    }

    .cta-panel::before {
      content: "";
      position: absolute;
      inset: -80px -120px auto auto;
      width: 360px;
      height: 360px;
      border-radius: 50%;
      background: radial-gradient(circle, rgba(53,214,255,.24), transparent 68%);
    }

    .form-field {
      width: 100%;
      min-height: 48px;
      padding: 13px 15px;
      border-radius: 16px;
      color: var(--text);
      background: rgba(255,255,255,.06);
      border: 1px solid rgba(135,180,255,.18);
      transition: border-color .22s ease, box-shadow .22s ease, background .22s ease;
    }

    .form-field::placeholder {
      color: rgba(185,199,217,.68);
    }

    .form-field:focus {
      border-color: rgba(53,214,255,.58);
      box-shadow: 0 0 0 4px rgba(53,214,255,.09);
      background: rgba(255,255,255,.085);
    }

    textarea.form-field {
      min-height: 118px;
      resize: vertical;
    }

    .site-footer {
      padding: 72px 0 30px;
      background:
        linear-gradient(to bottom, rgba(7,17,31,.2), rgba(5,10,20,.95)),
        #050A14;
      border-top: 1px solid rgba(135,180,255,.14);
      position: relative;
    }

    .site-footer::before {
      content: "";
      position: absolute;
      inset: 0 0 auto;
      height: 1px;
      background: linear-gradient(90deg, transparent, rgba(53,214,255,.7), rgba(49,233,129,.45), transparent);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.45fr .85fr .75fr .85fr;
      gap: 36px;
    }

    .footer-brand p {
      margin-top: 16px;
      color: var(--muted);
      line-height: 1.85;
      max-width: 420px;
      font-size: 14px;
    }

    .footer-title {
      font-size: 15px;
      font-weight: 900;
      color: #fff;
      margin-bottom: 14px;
    }

    .footer-links {
      display: grid;
      gap: 10px;
    }

    .footer-links a {
      color: var(--muted);
      font-size: 14px;
    }

    .footer-links a:hover {
      color: var(--cyan);
      transform: translateX(3px);
    }

    .beian {
      margin-top: 44px;
      padding-top: 24px;
      border-top: 1px solid rgba(135,180,255,.12);
      text-align: center;
      color: var(--weak);
      font-size: 13px;
      line-height: 1.9;
    }

    .beian a:hover {
      color: var(--cyan);
    }

    @media (max-width: 1120px) {
      .desktop-nav {
        display: none;
      }

      .menu-toggle {
        display: inline-grid;
        place-items: center;
      }

      .search-shell {
        width: 280px;
      }

      .topic-wall {
        grid-template-columns: 1fr 1fr;
      }

      .topic-card.large,
      .topic-card.tall {
        grid-row: auto;
        min-height: 310px;
      }

      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
    }

    @media (max-width: 768px) {
      .site-container {
        width: min(100% - 28px, 1220px);
      }

      .topbar {
        min-height: 62px;
      }

      .search-shell {
        display: none;
      }

      .trend-inner {
        gap: 7px;
      }

      .hero-section {
        padding: 70px 0 56px;
        min-height: auto;
      }

      .lead {
        font-size: 16px;
      }

      .section,
      .section-tight {
        padding: 62px 0;
      }

      .section-head {
        display: block;
      }

      .section-desc {
        margin-top: 14px;
      }

      .topic-wall {
        grid-template-columns: 1fr;
      }

      .feature-image-card,
      .feature-image-card img {
        min-height: 330px;
      }

      .scenario-card {
        grid-template-columns: 64px 1fr;
      }

      .scenario-icon {
        width: 64px;
        height: 64px;
        border-radius: 18px;
        font-size: 22px;
      }

      .cta-panel {
        padding: 28px;
        border-radius: 28px;
      }

      .footer-grid {
        grid-template-columns: 1fr;
        gap: 26px;
      }
    }

    @media (max-width: 520px) {
      .logo {
        font-size: 19px;
      }

      .hero-title {
        font-size: 2.35rem;
      }

      .btn {
        width: 100%;
      }

      .score-line {
        grid-template-columns: 1fr;
        text-align: left;
      }

      .stat-num {
        font-size: 28px;
      }

      .faq-question {
        padding: 18px;
        font-size: 16px;
      }

      .faq-answer {
        padding: 0 18px 18px;
      }
    }