/* roulang page: index */
:root{
      --bg:#07090d;
      --bg-2:#0c1016;
      --panel:#111620;
      --panel-2:#151b25;
      --light:#f4f7f8;
      --light-2:#e8eef0;
      --text:#eef6f4;
      --text-dark:#1d2730;
      --muted:#9aa8b2;
      --muted-dark:#5f6d76;
      --line:rgba(118,238,221,.18);
      --line-soft:rgba(232,238,240,.12);
      --cyan:#48f0d7;
      --cyan-2:#22c7b7;
      --purple:#8b6dff;
      --amber:#f4b65a;
      --danger:#ff7b7b;
      --success:#6ee7a8;
      --radius-xl:28px;
      --radius-lg:22px;
      --radius-md:16px;
      --radius-sm:10px;
      --shadow:0 22px 70px rgba(0,0,0,.38);
      --glow:0 0 34px rgba(72,240,215,.16);
      --container:1200px;
      --font:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:var(--font);
      color:var(--text);
      background:
        radial-gradient(circle at 12% 8%,rgba(72,240,215,.11),transparent 28%),
        radial-gradient(circle at 84% 18%,rgba(139,109,255,.12),transparent 30%),
        linear-gradient(180deg,var(--bg),#090d13 42%,#07090d);
      line-height:1.75;
      overflow-x:hidden;
    }
    body::before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      opacity:.18;
      background-image:
        linear-gradient(rgba(72,240,215,.08) 1px,transparent 1px),
        linear-gradient(90deg,rgba(72,240,215,.08) 1px,transparent 1px);
      background-size:42px 42px;
      mask-image:linear-gradient(180deg,#000,transparent 78%);
      z-index:-1;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer;border:0}
    .container{width:min(calc(100% - 40px),var(--container));margin:0 auto}
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      background:rgba(7,9,13,.96);
      border-bottom:1px solid var(--line-soft);
      box-shadow:0 12px 30px rgba(0,0,0,.28);
    }
    .nav{
      height:74px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:24px;
    }
    .logo{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:0;
      font-weight:900;
      letter-spacing:.2px;
    }
    .logo-mark{
      width:42px;
      height:42px;
      border-radius:14px;
      display:grid;
      place-items:center;
      color:#06100f;
      background:linear-gradient(135deg,var(--cyan),var(--amber));
      box-shadow:var(--glow);
      font-weight:1000;
    }
    .logo-text{display:flex;flex-direction:column;line-height:1.15}
    .logo-text strong{font-size:17px;white-space:nowrap}
    .logo-text span{font-size:12px;color:var(--muted);font-weight:600;margin-top:4px}
    .nav-links{
      display:flex;
      align-items:center;
      gap:8px;
      margin-left:auto;
    }
    .nav-links a{
      position:relative;
      padding:10px 14px;
      color:#d8e4e2;
      border-radius:999px;
      font-size:14px;
      transition:.22s ease;
    }
    .nav-links a:hover,.nav-links a:focus-visible{
      color:#fff;
      background:rgba(72,240,215,.09);
      outline:none;
    }
    .nav-links a.active{
      color:var(--cyan);
      background:rgba(72,240,215,.12);
    }
    .nav-links a.active::after{
      content:"";
      position:absolute;
      left:50%;
      bottom:4px;
      width:22px;
      height:2px;
      transform:translateX(-50%);
      border-radius:999px;
      background:var(--cyan);
    }
    .nav-toggle{
      display:none;
      width:44px;
      height:44px;
      border-radius:14px;
      background:rgba(255,255,255,.06);
      color:#fff;
      border:1px solid var(--line-soft);
    }
    .hero{
      position:relative;
      min-height:720px;
      display:flex;
      align-items:center;
      padding:86px 0 48px;
      background:
        linear-gradient(90deg,rgba(7,9,13,.94),rgba(7,9,13,.74) 52%,rgba(7,9,13,.88)),
        url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
      border-bottom:1px solid var(--line-soft);
      overflow:hidden;
    }
    .hero::after{
      content:"";
      position:absolute;
      inset:auto -8% -18% auto;
      width:520px;height:520px;
      background:radial-gradient(circle,rgba(72,240,215,.18),transparent 68%);
      pointer-events:none;
    }
    .hero-layout{
      position:relative;
      z-index:1;
      display:grid;
      grid-template-columns:1.04fr .96fr;
      gap:44px;
      align-items:center;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:9px;
      padding:8px 13px;
      border:1px solid var(--line);
      border-radius:999px;
      color:var(--cyan);
      background:rgba(72,240,215,.08);
      font-size:14px;
      font-weight:800;
    }
    .eyebrow::before{
      content:"";
      width:8px;height:8px;
      border-radius:50%;
      background:var(--cyan);
      box-shadow:0 0 16px var(--cyan);
    }
    h1{
      margin:22px 0 18px;
      font-size:clamp(34px,4.45vw,56px);
      line-height:1.16;
      letter-spacing:-1.6px;
    }
    .hero-sub{
      max-width:710px;
      color:#c5d2d0;
      font-size:18px;
      line-height:1.88;
      margin:0 0 28px;
    }
    .hero-actions,.cta-actions{
      display:flex;
      flex-wrap:wrap;
      gap:14px;
      align-items:center;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:46px;
      padding:12px 21px;
      border-radius:999px;
      font-weight:900;
      transition:.22s ease;
      border:1px solid transparent;
      white-space:nowrap;
    }
    .btn-primary{
      color:#06100f;
      background:linear-gradient(135deg,var(--cyan),#8ff7e7);
      box-shadow:0 12px 30px rgba(72,240,215,.18);
    }
    .btn-amber{
      color:#15100a;
      background:linear-gradient(135deg,var(--amber),#ffd68d);
      box-shadow:0 12px 30px rgba(244,182,90,.16);
    }
    .btn-secondary{
      color:#e9f6f4;
      background:rgba(255,255,255,.04);
      border-color:var(--line);
    }
    .btn:hover{transform:translateY(-2px);filter:brightness(1.05)}
    .btn-secondary:hover{background:rgba(72,240,215,.1)}
    .btn:focus-visible,.faq-question:focus-visible,.nav-toggle:focus-visible,input:focus-visible,textarea:focus-visible{
      outline:3px solid rgba(72,240,215,.35);
      outline-offset:3px;
    }
    .hero-meta{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:26px;
    }
    .mini-pill{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 12px;
      border-radius:999px;
      color:#d9e7e5;
      background:rgba(255,255,255,.06);
      border:1px solid var(--line-soft);
      font-size:13px;
      font-weight:700;
    }
    .score-console{
      position:relative;
      padding:20px;
      border-radius:var(--radius-xl);
      background:linear-gradient(180deg,rgba(17,22,32,.96),rgba(9,13,19,.96));
      border:1px solid var(--line);
      box-shadow:var(--shadow),var(--glow);
      overflow:hidden;
    }
    .score-console::before{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(135deg,rgba(72,240,215,.12),transparent 35%,rgba(139,109,255,.1));
      pointer-events:none;
    }
    .console-head,.console-foot{
      position:relative;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      padding-bottom:16px;
      border-bottom:1px solid var(--line-soft);
    }
    .console-title{font-weight:900;font-size:18px}
    .status{
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:6px 10px;
      border-radius:999px;
      font-size:12px;
      font-weight:900;
      color:#06100f;
      background:var(--cyan);
    }
    .status::before{
      content:"";
      width:7px;height:7px;border-radius:50%;
      background:#06100f;
    }
    .match-list{position:relative;display:grid;gap:14px;margin:18px 0}
    .match-row{
      padding:16px;
      border-radius:18px;
      background:rgba(255,255,255,.045);
      border:1px solid var(--line-soft);
      transition:.22s ease;
    }
    .match-row:hover{border-color:rgba(72,240,215,.35);transform:translateY(-2px)}
    .match-top{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:10px;
      color:var(--muted);
      font-size:13px;
      margin-bottom:10px;
    }
    .versus{
      display:grid;
      grid-template-columns:1fr auto 1fr;
      gap:12px;
      align-items:center;
    }
    .team{
      font-weight:900;
      color:#f4fbfa;
      overflow:hidden;
      text-overflow:ellipsis;
      white-space:nowrap;
    }
    .team:last-child{text-align:right}
    .score{
      min-width:76px;
      padding:7px 10px;
      border-radius:12px;
      text-align:center;
      color:var(--amber);
      font-weight:1000;
      background:rgba(244,182,90,.1);
      border:1px solid rgba(244,182,90,.22);
      font-variant-numeric:tabular-nums;
    }
    .console-foot{
      border-top:1px solid var(--line-soft);
      border-bottom:0;
      padding:16px 0 0;
      color:var(--muted);
      font-size:13px;
    }
    .risk-strip{
      margin-top:34px;
      padding:14px 18px;
      border-radius:18px;
      background:rgba(244,182,90,.12);
      border:1px solid rgba(244,182,90,.28);
      color:#ffe1ac;
      display:flex;
      flex-wrap:wrap;
      gap:12px 20px;
      align-items:center;
      font-size:14px;
      font-weight:700;
    }
    main{overflow:hidden}
    .section{padding:86px 0}
    .section-alt{background:#eef3f4;color:var(--text-dark)}
    .section-tight{padding:62px 0}
    .section-head{
      display:flex;
      justify-content:space-between;
      gap:24px;
      align-items:flex-end;
      margin-bottom:32px;
    }
    .section-kicker{
      color:var(--cyan);
      font-weight:1000;
      letter-spacing:.08em;
      font-size:13px;
      margin-bottom:8px;
    }
    .section-alt .section-kicker{color:#128a7f}
    h2{
      margin:0;
      font-size:clamp(25px,3vw,36px);
      line-height:1.24;
      letter-spacing:-.8px;
    }
    .section-desc{
      margin:0;
      max-width:600px;
      color:var(--muted);
      font-size:16px;
    }
    .section-alt .section-desc{color:var(--muted-dark)}
    .tagbar{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
    }
    .tagbar a,.tag{
      display:inline-flex;
      align-items:center;
      padding:9px 14px;
      border-radius:999px;
      border:1px solid var(--line);
      background:rgba(72,240,215,.07);
      color:#dff7f4;
      font-size:14px;
      font-weight:800;
      transition:.22s ease;
    }
    .tagbar a:hover{background:rgba(72,240,215,.15);transform:translateY(-2px)}
    .tag.dark{
      color:#0f4843;
      background:rgba(72,240,215,.14);
      border-color:rgba(34,199,183,.24);
    }
    .overview-grid{
      display:grid;
      grid-template-columns:1.15fr .85fr;
      gap:24px;
      align-items:stretch;
    }
    .feature-card{
      position:relative;
      min-height:420px;
      border-radius:var(--radius-xl);
      overflow:hidden;
      box-shadow:var(--shadow);
      border:1px solid var(--line-soft);
      background:#111620;
    }
    .feature-card img{
      width:100%;
      height:100%;
      object-fit:cover;
      position:absolute;
      inset:0;
      opacity:.66;
    }
    .feature-card::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg,rgba(7,9,13,.2),rgba(7,9,13,.92));
    }
    .feature-content{
      position:absolute;
      inset:auto 0 0 0;
      z-index:1;
      padding:34px;
    }
    .feature-content h3{font-size:27px;line-height:1.28;margin:13px 0 10px}
    .feature-content p{color:#cdd9d7;margin:0 0 18px}
    .data-stack{display:grid;gap:14px}
    .data-item{
      display:grid;
      grid-template-columns:auto 1fr auto;
      align-items:center;
      gap:14px;
      padding:18px;
      border-radius:20px;
      background:var(--panel);
      border:1px solid var(--line-soft);
      transition:.22s ease;
    }
    .data-item:hover{border-color:rgba(72,240,215,.35);transform:translateX(3px)}
    .data-icon{
      width:42px;height:42px;
      border-radius:14px;
      display:grid;
      place-items:center;
      color:#06100f;
      font-weight:1000;
      background:linear-gradient(135deg,var(--cyan),rgba(72,240,215,.55));
    }
    .data-item h3{margin:0 0 3px;font-size:17px}
    .data-item p{margin:0;color:var(--muted);font-size:14px;line-height:1.55}
    .arrow{color:var(--cyan);font-weight:1000}
    .score-board{
      display:grid;
      gap:14px;
    }
    .score-line{
      display:grid;
      grid-template-columns:1.1fr 1.3fr auto auto;
      gap:16px;
      align-items:center;
      padding:18px 20px;
      border-radius:20px;
      background:linear-gradient(90deg,rgba(17,22,32,.98),rgba(17,22,32,.78));
      border:1px solid var(--line-soft);
      transition:.22s ease;
    }
    .score-line:hover{
      border-color:rgba(72,240,215,.34);
      box-shadow:var(--glow);
      transform:translateY(-2px);
    }
    .league{color:var(--muted);font-size:14px;font-weight:800}
    .teams{font-weight:1000}
    .score-number{
      font-size:18px;
      font-weight:1000;
      color:var(--amber);
      font-variant-numeric:tabular-nums;
    }
    .line-cta{color:var(--cyan);font-weight:900;font-size:14px}
    .steps{
      display:grid;
      grid-template-columns:repeat(5,1fr);
      gap:14px;
      counter-reset:step;
    }
    .step-card{
      position:relative;
      padding:24px 20px;
      border-radius:22px;
      background:#fff;
      color:var(--text-dark);
      box-shadow:0 16px 40px rgba(18,34,38,.08);
      border:1px solid rgba(20,35,40,.08);
      overflow:hidden;
    }
    .step-card::before{
      counter-increment:step;
      content:"0" counter(step);
      display:inline-flex;
      width:42px;height:42px;
      align-items:center;
      justify-content:center;
      border-radius:14px;
      background:#0c1618;
      color:var(--cyan);
      font-weight:1000;
      margin-bottom:18px;
    }
    .step-card h3{margin:0 0 8px;font-size:18px}
    .step-card p{margin:0;color:var(--muted-dark);font-size:14px;line-height:1.7}
    .notice-box{
      margin-top:22px;
      padding:20px 22px;
      border-radius:22px;
      background:#fff7e8;
      color:#5d4117;
      border:1px solid #f2d29e;
      display:flex;
      gap:14px;
      align-items:flex-start;
      box-shadow:0 14px 34px rgba(75,50,15,.08);
    }
    .notice-icon{
      flex:0 0 auto;
      width:34px;height:34px;
      border-radius:12px;
      display:grid;
      place-items:center;
      background:var(--amber);
      color:#241506;
      font-weight:1000;
    }
    .verify-wrap{
      display:grid;
      grid-template-columns:1fr .82fr;
      gap:24px;
      align-items:stretch;
    }
    .check-list{
      padding:28px;
      border-radius:var(--radius-xl);
      background:#fff;
      color:var(--text-dark);
      box-shadow:0 20px 55px rgba(15,35,40,.1);
    }
    .check-list h3,.trust-card h3{margin:0 0 16px;font-size:23px}
    .check-list ul{list-style:none;margin:0;padding:0;display:grid;gap:13px}
    .check-list li{
      display:flex;
      gap:11px;
      align-items:flex-start;
      padding:12px 0;
      border-bottom:1px solid #e6eef0;
      color:#34434a;
    }
    .check-list li:last-child{border-bottom:0}
    .check-list li::before{
      content:"✓";
      flex:0 0 auto;
      width:24px;height:24px;
      border-radius:50%;
      display:grid;
      place-items:center;
      background:rgba(34,199,183,.15);
      color:#08786e;
      font-weight:1000;
    }
    .trust-card{
      padding:28px;
      border-radius:var(--radius-xl);
      background:linear-gradient(180deg,#101722,#0b1017);
      border:1px solid var(--line);
      box-shadow:var(--shadow);
    }
    .trust-stats{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:12px;
      margin:20px 0;
    }
    .stat{
      padding:16px;
      border-radius:18px;
      background:rgba(255,255,255,.05);
      border:1px solid var(--line-soft);
    }
    .stat strong{display:block;color:var(--cyan);font-size:24px;line-height:1.1}
    .stat span{color:var(--muted);font-size:13px}
    .term-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:22px;
    }
    .term-card{
      padding:28px;
      border-radius:var(--radius-xl);
      background:var(--panel);
      border:1px solid var(--line-soft);
      position:relative;
      overflow:hidden;
    }
    .term-card::after{
      content:"";
      position:absolute;
      top:0;right:0;
      width:150px;height:150px;
      background:radial-gradient(circle,rgba(139,109,255,.18),transparent 68%);
      pointer-events:none;
    }
    .term-card h3{margin:14px 0 10px;font-size:23px}
    .term-card p{margin:0;color:var(--muted)}
    .preview-grid{
      display:grid;
      grid-template-columns:1.2fr 1fr 1fr;
      gap:18px;
    }
    .guide-card{
      overflow:hidden;
      border-radius:24px;
      background:#fff;
      color:var(--text-dark);
      box-shadow:0 16px 42px rgba(15,35,40,.09);
      border:1px solid rgba(12,22,24,.07);
      transition:.22s ease;
    }
    .guide-card:hover{transform:translateY(-4px);box-shadow:0 22px 54px rgba(15,35,40,.14)}
    .guide-card img{
      width:100%;
      aspect-ratio:16/9;
      object-fit:cover;
    }
    .guide-card.large{
      grid-row:span 2;
    }
    .guide-card.large img{aspect-ratio:16/12}
    .guide-body{padding:20px}
    .guide-body h3{margin:10px 0 8px;font-size:19px;line-height:1.36}
    .guide-body p{margin:0 0 14px;color:var(--muted-dark);font-size:14px;line-height:1.72}
    .read-link{color:#08786e;font-weight:1000}
    .faq-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:14px;
    }
    .faq-item{
      border-radius:20px;
      background:rgba(255,255,255,.05);
      border:1px solid var(--line-soft);
      overflow:hidden;
    }
    .faq-question{
      width:100%;
      padding:19px 20px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      background:transparent;
      color:#f3fbfa;
      text-align:left;
      font-weight:1000;
    }
    .faq-question span:last-child{
      color:var(--cyan);
      font-size:22px;
      transition:.22s ease;
    }
    .faq-answer{
      display:none;
      padding:0 20px 20px;
      color:var(--muted);
      font-size:15px;
    }
    .faq-item.open .faq-answer{display:block}
    .faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
    .cta-band{
      position:relative;
      padding:36px;
      border-radius:var(--radius-xl);
      background:
        linear-gradient(90deg,rgba(7,9,13,.94),rgba(7,9,13,.78)),
        url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
      border:1px solid var(--line);
      box-shadow:var(--shadow);
      overflow:hidden;
      display:grid;
      grid-template-columns:1fr auto;
      gap:24px;
      align-items:center;
    }
    .cta-band h2{margin-bottom:8px}
    .cta-band p{margin:0;color:#cbd7d5;max-width:740px}
    .site-footer{
      background:#05070a;
      border-top:1px solid var(--line-soft);
      padding:48px 0 24px;
      color:#cbd7d5;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.3fr .8fr .9fr;
      gap:28px;
      margin-bottom:30px;
    }
    .footer-brand strong{font-size:18px;color:#fff}
    .footer-brand p{color:var(--muted);margin:12px 0 0}
    .footer-links{display:grid;gap:9px}
    .footer-links a{color:#cbd7d5;transition:.2s ease}
    .footer-links a:hover{color:var(--cyan)}
    .footer-note{
      padding:16px;
      border-radius:18px;
      background:rgba(244,182,90,.08);
      border:1px solid rgba(244,182,90,.2);
      color:#ffe1ac;
      font-size:14px;
    }
    .copyright{
      padding-top:22px;
      border-top:1px solid var(--line-soft);
      display:flex;
      flex-wrap:wrap;
      justify-content:space-between;
      gap:12px;
      color:#8998a2;
      font-size:13px;
    }
    @media (max-width:1024px){
      .hero{min-height:auto;padding:70px 0 42px}
      .hero-layout,.overview-grid,.verify-wrap{grid-template-columns:1fr}
      .steps{grid-template-columns:repeat(2,1fr)}
      .preview-grid{grid-template-columns:1fr 1fr}
      .guide-card.large{grid-row:auto}
      .guide-card.large img{aspect-ratio:16/9}
      .cta-band{grid-template-columns:1fr}
    }
    @media (max-width:768px){
      .container{width:min(calc(100% - 28px),var(--container))}
      .nav{height:66px}
      .logo-text span{display:none}
      .logo-text strong{font-size:15px;max-width:220px;overflow:hidden;text-overflow:ellipsis}
      .nav-toggle{display:grid;place-items:center}
      .nav-links{
        position:absolute;
        left:14px;right:14px;top:72px;
        display:none;
        flex-direction:column;
        align-items:stretch;
        padding:12px;
        border-radius:20px;
        background:#080b10;
        border:1px solid var(--line-soft);
        box-shadow:var(--shadow);
      }
      .nav-links.open{display:flex}
      .nav-links a{padding:13px 14px}
      .hero{padding:54px 0 34px}
      h1{letter-spacing:-.8px}
      .hero-sub{font-size:16px}
      .section{padding:58px 0}
      .section-head{display:block}
      .section-desc{margin-top:12px}
      .score-line{grid-template-columns:1fr;gap:8px}
      .score-number{font-size:22px}
      .steps,.term-grid,.preview-grid,.faq-grid,.footer-grid{grid-template-columns:1fr}
      .feature-card{min-height:360px}
      .feature-content{padding:24px}
      .trust-stats{grid-template-columns:1fr}
      .cta-band{padding:26px}
      .risk-strip{font-size:13px}
    }
    @media (max-width:520px){
      .logo-mark{width:38px;height:38px;border-radius:12px}
      .logo-text strong{max-width:178px}
      .hero-actions,.cta-actions{align-items:stretch}
      .btn{width:100%}
      .versus{grid-template-columns:1fr;gap:6px}
      .team:last-child{text-align:left}
      .score{width:max-content}
      .console-head,.console-foot{align-items:flex-start;flex-direction:column}
      .data-item{grid-template-columns:auto 1fr}
      .data-item .arrow{display:none}
      .notice-box{flex-direction:column}
      .copyright{display:block}
    }

/* roulang page: category1 */
:root{
      --bg:#07090d;
      --bg-2:#0d1117;
      --panel:#111722;
      --panel-2:#151c27;
      --paper:#f4f7f8;
      --paper-2:#ffffff;
      --text:#edf5f4;
      --muted:#9ba9ad;
      --dark-text:#162026;
      --dark-muted:#5d6a70;
      --line:rgba(120,246,219,.18);
      --line-strong:rgba(120,246,219,.34);
      --cyan:#69f2d6;
      --cyan-2:#21c7b5;
      --purple:#8f79ff;
      --amber:#f2b45c;
      --danger:#ff7d6e;
      --radius-lg:28px;
      --radius-md:20px;
      --radius-sm:14px;
      --shadow:0 24px 70px rgba(0,0,0,.38);
      --glow:0 0 0 1px rgba(105,242,214,.16), 0 18px 60px rgba(33,199,181,.12);
      --paper-shadow:0 18px 45px rgba(14,21,28,.13);
      --container:1200px;
      --ease:all .22s ease;
    }
    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{
      min-height:100vh;
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 18% 8%,rgba(105,242,214,.13),transparent 30%),
        radial-gradient(circle at 88% 14%,rgba(143,121,255,.11),transparent 26%),
        linear-gradient(180deg,#07090d 0%,#0b0f16 48%,#07090d 100%);
      line-height:1.75;
      overflow-x:hidden;
    }
    body::before{
      content:"";
      position:fixed;
      inset:0;
      z-index:-2;
      background-image:
        linear-gradient(rgba(105,242,214,.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(105,242,214,.035) 1px, transparent 1px);
      background-size:44px 44px;
      mask-image:linear-gradient(to bottom,rgba(0,0,0,.75),rgba(0,0,0,.15));
      pointer-events:none;
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%;height:auto}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer;border:0}
    :focus-visible{outline:3px solid rgba(105,242,214,.75);outline-offset:3px}
    .container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      background:rgba(8,11,16,.96);
      border-bottom:1px solid rgba(169,188,192,.12);
      box-shadow:0 12px 34px rgba(0,0,0,.28);
    }
    .nav{
      height:78px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:24px;
    }
    .logo{
      display:inline-flex;
      align-items:center;
      gap:12px;
      min-width:0;
    }
    .logo-mark{
      width:48px;
      height:48px;
      border-radius:16px;
      display:grid;
      place-items:center;
      color:#07100f;
      font-weight:900;
      letter-spacing:-.04em;
      background:linear-gradient(135deg,var(--cyan),#c7fff2 54%,var(--amber));
      box-shadow:0 0 28px rgba(105,242,214,.28);
    }
    .logo-text{display:flex;flex-direction:column;line-height:1.25;min-width:0}
    .logo-text strong{
      color:#fff;
      font-size:16px;
      letter-spacing:.01em;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
      max-width:360px;
    }
    .logo-text span{font-size:12px;color:var(--muted);margin-top:3px}
    .nav-links{display:flex;align-items:center;gap:8px}
    .nav-links a{
      position:relative;
      padding:11px 15px;
      border-radius:999px;
      color:#c9d6d8;
      font-size:15px;
      transition:var(--ease);
    }
    .nav-links a:hover{
      color:#fff;
      background:rgba(105,242,214,.08);
    }
    .nav-links a.active{
      color:#06110f;
      background:linear-gradient(135deg,var(--cyan),#a8fff0);
      font-weight:800;
      box-shadow:0 10px 26px rgba(105,242,214,.18);
    }
    .nav-toggle{
      display:none;
      width:44px;
      height:44px;
      border-radius:14px;
      color:#fff;
      background:rgba(255,255,255,.07);
      border:1px solid rgba(255,255,255,.12);
    }
    .section{padding:86px 0}
    .section.soft{background:linear-gradient(180deg,rgba(244,247,248,.98),rgba(232,238,240,.98));color:var(--dark-text)}
    .section-title{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;margin-bottom:30px}
    .section-title h2{
      font-size:clamp(25px,3vw,36px);
      line-height:1.22;
      letter-spacing:-.03em;
      color:#fff;
    }
    .soft .section-title h2{color:var(--dark-text)}
    .section-title p{max-width:620px;color:var(--muted);font-size:16px}
    .soft .section-title p{color:var(--dark-muted)}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 12px;
      border-radius:999px;
      color:#081412;
      background:rgba(105,242,214,.94);
      font-size:13px;
      font-weight:800;
      margin-bottom:14px;
    }
    .eyebrow::before{
      content:"";
      width:7px;
      height:7px;
      border-radius:50%;
      background:#07100f;
      box-shadow:0 0 0 4px rgba(7,16,15,.12);
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      border-radius:999px;
      padding:12px 20px;
      min-height:46px;
      font-weight:800;
      transition:var(--ease);
      white-space:nowrap;
    }
    .btn-primary{
      color:#06110f;
      background:linear-gradient(135deg,var(--cyan),#b5fff0);
      box-shadow:0 16px 34px rgba(105,242,214,.2);
    }
    .btn-primary:hover{transform:translateY(-2px);filter:brightness(1.05);box-shadow:0 20px 42px rgba(105,242,214,.28)}
    .btn-secondary{
      color:#eaf7f5;
      background:rgba(255,255,255,.05);
      border:1px solid rgba(255,255,255,.16);
    }
    .btn-secondary:hover{transform:translateY(-2px);background:rgba(105,242,214,.1);border-color:rgba(105,242,214,.34)}
    .btn-dark{
      color:#06110f;
      background:var(--amber);
      box-shadow:0 12px 28px rgba(242,180,92,.18);
    }
    .btn-dark:hover{transform:translateY(-2px);filter:brightness(1.04)}
    .tag,.badge{
      display:inline-flex;
      align-items:center;
      border-radius:999px;
      padding:6px 10px;
      font-size:13px;
      font-weight:800;
      line-height:1;
    }
    .tag{
      color:#d9fffa;
      border:1px solid rgba(105,242,214,.25);
      background:rgba(105,242,214,.08);
    }
    .badge{
      color:#231a0a;
      background:rgba(242,180,92,.92);
    }

    .category-hero{
      position:relative;
      padding:96px 0 64px;
      overflow:hidden;
      isolation:isolate;
      background:
        linear-gradient(90deg,rgba(7,9,13,.94),rgba(7,9,13,.78) 54%,rgba(7,9,13,.9)),
        url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
    }
    .category-hero::after{
      content:"";
      position:absolute;
      inset:auto -10% -38% -10%;
      height:260px;
      background:radial-gradient(ellipse at center,rgba(105,242,214,.18),transparent 65%);
      z-index:-1;
    }
    .hero-grid{
      display:grid;
      grid-template-columns:1.15fr .85fr;
      gap:42px;
      align-items:center;
    }
    .breadcrumbs{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      align-items:center;
      color:#b7c7ca;
      font-size:14px;
      margin-bottom:22px;
    }
    .breadcrumbs a{color:#eaf7f5}
    .breadcrumbs span{color:#728186}
    h1{
      max-width:820px;
      font-size:clamp(31px,4.3vw,54px);
      line-height:1.16;
      letter-spacing:-.045em;
      color:#fff;
      margin-bottom:20px;
    }
    .hero-lead{
      max-width:760px;
      color:#d2dfe1;
      font-size:18px;
      line-height:1.86;
      margin-bottom:28px;
    }
    .hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:28px}
    .hero-alert{
      display:flex;
      gap:12px;
      align-items:flex-start;
      max-width:790px;
      padding:15px 18px;
      border:1px solid rgba(242,180,92,.34);
      border-radius:18px;
      background:rgba(242,180,92,.08);
      color:#ffe3bd;
      font-size:14px;
    }
    .hero-alert strong{color:#ffd38d}
    .summary-card{
      position:relative;
      padding:26px;
      border-radius:var(--radius-lg);
      background:linear-gradient(180deg,rgba(17,23,34,.94),rgba(10,14,20,.94));
      border:1px solid var(--line-strong);
      box-shadow:var(--shadow),var(--glow);
      overflow:hidden;
    }
    .summary-card::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(135deg,rgba(105,242,214,.16),transparent 34%),
        repeating-linear-gradient(90deg,transparent 0 28px,rgba(255,255,255,.035) 29px,transparent 30px);
      pointer-events:none;
    }
    .summary-card > *{position:relative}
    .summary-top{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:22px}
    .summary-top strong{font-size:20px;color:#fff}
    .metric-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:18px}
    .metric{
      padding:16px;
      border-radius:18px;
      background:rgba(255,255,255,.06);
      border:1px solid rgba(255,255,255,.1);
    }
    .metric b{
      display:block;
      font-size:26px;
      color:var(--cyan);
      font-variant-numeric:tabular-nums;
      line-height:1.1;
      margin-bottom:6px;
    }
    .metric span{color:#b8c7ca;font-size:13px}
    .summary-list{display:grid;gap:11px}
    .summary-list li{
      list-style:none;
      display:flex;
      justify-content:space-between;
      gap:16px;
      padding:12px 0;
      border-top:1px solid rgba(255,255,255,.09);
      color:#dbe8ea;
    }
    .summary-list em{font-style:normal;color:var(--muted);font-size:14px}
    .filters{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      padding:18px;
      border-radius:24px;
      background:rgba(17,23,34,.78);
      border:1px solid var(--line);
      box-shadow:var(--glow);
    }
    .filter-chip{
      padding:10px 14px;
      border-radius:999px;
      color:#d6e5e7;
      background:rgba(255,255,255,.055);
      border:1px solid rgba(255,255,255,.1);
      font-weight:800;
      font-size:14px;
      transition:var(--ease);
    }
    .filter-chip.active,.filter-chip:hover{
      color:#06110f;
      background:var(--cyan);
      border-color:transparent;
      transform:translateY(-1px);
    }
    .feature-layout{
      display:grid;
      grid-template-columns:1.35fr .65fr;
      gap:22px;
    }
    .feature-card,.mini-card,.article-card,.sidebar-card,.term-card,.faq-item{
      border-radius:var(--radius-md);
      overflow:hidden;
      background:var(--panel);
      border:1px solid rgba(255,255,255,.1);
      box-shadow:var(--shadow);
      transition:var(--ease);
    }
    .feature-card:hover,.mini-card:hover,.article-card:hover{transform:translateY(-4px);border-color:var(--line-strong)}
    .feature-card{
      display:grid;
      grid-template-columns:.92fr 1.08fr;
      min-height:330px;
    }
    .feature-media,.article-media,.mini-media{
      position:relative;
      overflow:hidden;
      min-height:210px;
      background:#0b1118;
    }
    .feature-media img,.article-media img,.mini-media img{
      width:100%;
      height:100%;
      object-fit:cover;
      transition:transform .35s ease;
    }
    .feature-card:hover img,.mini-card:hover img,.article-card:hover img{transform:scale(1.045)}
    .feature-body{padding:30px;display:flex;flex-direction:column;justify-content:center}
    .feature-body h2,.mini-card h3,.article-body h3{color:#fff;line-height:1.28;letter-spacing:-.02em}
    .feature-body h2{font-size:30px;margin:14px 0 12px}
    .feature-body p,.mini-card p,.article-body p{color:#b8c7ca}
    .feature-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
    .mini-stack{display:grid;gap:22px}
    .mini-card{display:grid;grid-template-columns:120px 1fr;min-height:154px}
    .mini-media{min-height:154px}
    .mini-card .mini-body{padding:18px}
    .mini-card h3{font-size:18px;margin:10px 0 6px}
    .content-layout{
      display:grid;
      grid-template-columns:minmax(0,1fr) 330px;
      gap:28px;
      align-items:start;
    }
    .article-list{display:grid;gap:18px}
    .article-card{
      display:grid;
      grid-template-columns:260px 1fr;
      min-height:190px;
      background:linear-gradient(180deg,#121923,#0f151d);
    }
    .article-media{min-height:190px}
    .article-body{
      padding:22px;
      display:flex;
      flex-direction:column;
      justify-content:center;
    }
    .article-meta{
      display:flex;
      flex-wrap:wrap;
      align-items:center;
      gap:10px;
      margin-bottom:11px;
      color:#91a3a7;
      font-size:13px;
    }
    .article-body h3{font-size:22px;margin-bottom:8px}
    .article-body p{
      display:-webkit-box;
      -webkit-line-clamp:2;
      -webkit-box-orient:vertical;
      overflow:hidden;
      margin-bottom:14px;
    }
    .read-link{
      display:inline-flex;
      align-items:center;
      gap:7px;
      color:var(--cyan);
      font-weight:900;
      width:max-content;
    }
    .read-link:hover{color:#fff}
    .sidebar{
      position:sticky;
      top:100px;
      display:grid;
      gap:18px;
    }
    .sidebar-card{
      padding:22px;
      background:linear-gradient(180deg,#151c27,#0f141c);
    }
    .sidebar-card h3{font-size:20px;color:#fff;margin-bottom:14px}
    .keyword-cloud{display:flex;flex-wrap:wrap;gap:8px}
    .check-list{display:grid;gap:10px}
    .check-list li{
      list-style:none;
      display:flex;
      gap:10px;
      color:#d8e4e6;
      font-size:14px;
    }
    .check-list li::before{
      content:"✓";
      flex:0 0 22px;
      width:22px;
      height:22px;
      border-radius:50%;
      display:grid;
      place-items:center;
      color:#07100f;
      background:var(--cyan);
      font-weight:900;
      line-height:1;
      margin-top:2px;
    }
    .risk-box{
      padding:18px;
      border-radius:18px;
      color:#ffe5d8;
      background:rgba(255,125,110,.1);
      border:1px solid rgba(255,125,110,.3);
    }
    .risk-box strong{display:block;color:#ffd2c8;margin-bottom:8px}
    .term-card{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:0;
      background:var(--paper-2);
      color:var(--dark-text);
      box-shadow:var(--paper-shadow);
      border:1px solid rgba(8,18,24,.08);
    }
    .term-panel{
      padding:30px;
      border-right:1px solid rgba(8,18,24,.08);
    }
    .term-panel:last-child{border-right:0}
    .term-panel h3{font-size:23px;margin-bottom:12px}
    .term-panel p{color:var(--dark-muted)}
    .term-panel .tag{color:#07584f;background:rgba(33,199,181,.12);border-color:rgba(33,199,181,.22);margin-bottom:14px}
    .faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
    .faq-item{
      padding:24px;
      background:rgba(17,23,34,.86);
    }
    .faq-item h3{
      color:#fff;
      font-size:18px;
      margin-bottom:10px;
      display:flex;
      gap:10px;
      align-items:flex-start;
    }
    .faq-item h3::before{
      content:"Q";
      flex:0 0 28px;
      width:28px;
      height:28px;
      border-radius:10px;
      display:grid;
      place-items:center;
      color:#06110f;
      background:var(--cyan);
      font-size:13px;
      font-weight:900;
    }
    .faq-item p{color:#b8c7ca}
    .cta-band{
      position:relative;
      overflow:hidden;
      border-radius:32px;
      padding:38px;
      background:
        linear-gradient(135deg,rgba(105,242,214,.17),rgba(143,121,255,.11)),
        linear-gradient(180deg,#121923,#090d13);
      border:1px solid var(--line-strong);
      box-shadow:var(--shadow),var(--glow);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:28px;
    }
    .cta-band::after{
      content:"";
      position:absolute;
      right:-80px;
      top:-90px;
      width:260px;
      height:260px;
      border-radius:50%;
      background:rgba(105,242,214,.14);
      filter:blur(3px);
    }
    .cta-band h2{position:relative;font-size:32px;line-height:1.25;color:#fff;margin-bottom:10px}
    .cta-band p{position:relative;color:#c1d0d3;max-width:720px}
    .cta-actions{position:relative;display:flex;flex-wrap:wrap;gap:12px;flex-shrink:0}

    .site-footer{
      background:#05070a;
      border-top:1px solid rgba(255,255,255,.09);
      padding:56px 0 28px;
      color:#aebdc0;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.4fr .7fr 1fr;
      gap:34px;
      align-items:start;
      margin-bottom:30px;
    }
    .footer-brand p{margin-top:16px;max-width:520px;color:#9fadB1}
    .footer-links{display:grid;gap:9px}
    .footer-links a{color:#b9c7ca;transition:var(--ease)}
    .footer-links a:hover{color:var(--cyan);padding-left:3px}
    .footer-note{
      padding:18px;
      border-radius:18px;
      background:rgba(255,255,255,.045);
      border:1px solid rgba(255,255,255,.1);
    }
    .footer-note strong{color:#fff}
    .copyright{
      display:flex;
      justify-content:space-between;
      gap:18px;
      padding-top:22px;
      border-top:1px solid rgba(255,255,255,.09);
      color:#7f8e92;
      font-size:13px;
    }

    @media (max-width:1024px){
      .hero-grid,.feature-layout,.content-layout{grid-template-columns:1fr}
      .sidebar{position:static;grid-template-columns:repeat(2,1fr)}
      .feature-card{grid-template-columns:1fr}
      .feature-media{min-height:260px}
      .footer-grid{grid-template-columns:1fr 1fr}
      .footer-brand{grid-column:1/-1}
      .section{padding:68px 0}
    }
    @media (max-width:768px){
      .container{width:min(100% - 28px,var(--container))}
      .nav{height:70px}
      .logo-mark{width:42px;height:42px;border-radius:14px}
      .logo-text strong{max-width:220px;font-size:14px}
      .logo-text span{display:none}
      .nav-toggle{display:grid;place-items:center}
      .nav-links{
        position:absolute;
        left:14px;
        right:14px;
        top:78px;
        display:none;
        flex-direction:column;
        align-items:stretch;
        gap:8px;
        padding:14px;
        border-radius:20px;
        background:#0a0e14;
        border:1px solid rgba(255,255,255,.12);
        box-shadow:var(--shadow);
      }
      .nav-links.open{display:flex}
      .nav-links a{min-height:44px;display:flex;align-items:center;justify-content:center}
      .category-hero{padding:72px 0 46px}
      .hero-lead{font-size:16px}
      .hero-actions{align-items:stretch}
      .hero-actions .btn{width:100%}
      .summary-top{align-items:flex-start;flex-direction:column}
      .metric-grid{grid-template-columns:1fr}
      .section-title{align-items:flex-start;flex-direction:column;margin-bottom:22px}
      .feature-body{padding:22px}
      .feature-body h2{font-size:24px}
      .mini-card{grid-template-columns:1fr}
      .mini-media{min-height:190px}
      .article-card{grid-template-columns:1fr}
      .article-media{min-height:210px}
      .sidebar{grid-template-columns:1fr}
      .term-card{grid-template-columns:1fr}
      .term-panel{border-right:0;border-bottom:1px solid rgba(8,18,24,.08);padding:24px}
      .term-panel:last-child{border-bottom:0}
      .faq-grid{grid-template-columns:1fr}
      .cta-band{padding:28px;align-items:flex-start;flex-direction:column}
      .cta-band h2{font-size:25px}
      .cta-actions,.cta-actions .btn{width:100%}
      .footer-grid{grid-template-columns:1fr}
      .copyright{flex-direction:column}
    }
    @media (max-width:520px){
      .section{padding:54px 0}
      .filters{padding:14px;gap:9px}
      .filter-chip{font-size:13px;padding:9px 11px}
      .summary-card{padding:20px}
      .hero-alert{font-size:13px}
      .article-body h3{font-size:19px}
      .article-body{padding:18px}
      .sidebar-card,.faq-item{padding:20px}
      .footer-links{grid-template-columns:1fr}
    }