/* roulang page: index */
:root{
      --bg:#06111f;
      --bg-2:#081827;
      --bg-3:#0a1020;
      --panel:rgba(255,255,255,.075);
      --panel-strong:rgba(255,255,255,.105);
      --line:rgba(115,211,255,.18);
      --line-strong:rgba(33,212,253,.45);
      --text:#d7e6f7;
      --muted:#8fa8c6;
      --title:#f5fbff;
      --blue:#21d4fd;
      --blue-2:#18a8ff;
      --green:#69ffb0;
      --purple:#8b5cf6;
      --amber:#fbbf24;
      --danger:#ff6b8a;
      --radius-sm:12px;
      --radius:20px;
      --radius-lg:30px;
      --shadow:0 0 40px rgba(33,212,253,.12);
      --shadow-strong:0 18px 70px rgba(33,212,253,.18);
      --container:1200px;
      --font:system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
      --num:"DIN Alternate","Arial Narrow",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% 4%,rgba(33,212,253,.20),transparent 31%),
        radial-gradient(circle at 85% 16%,rgba(139,92,246,.18),transparent 34%),
        radial-gradient(circle at 50% 92%,rgba(105,255,176,.09),transparent 32%),
        linear-gradient(180deg,var(--bg),var(--bg-3) 45%,#050b15);
      line-height:1.8;
      overflow-x:hidden;
    }
    body:before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      z-index:-2;
      background-image:
        linear-gradient(rgba(115,211,255,.055) 1px,transparent 1px),
        linear-gradient(90deg,rgba(115,211,255,.055) 1px,transparent 1px);
      background-size:42px 42px;
      mask-image:linear-gradient(to bottom,rgba(0,0,0,.72),transparent 92%);
    }
    body:after{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      z-index:-1;
      background:repeating-linear-gradient(180deg,rgba(255,255,255,.025) 0,rgba(255,255,255,.025) 1px,transparent 1px,transparent 6px);
      opacity:.25;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,select,textarea{font:inherit;color:inherit}
    button{cursor:pointer;border:0;background:none}
    ::selection{background:rgba(33,212,253,.35);color:#fff}
    :focus-visible{outline:2px solid var(--blue);outline-offset:4px}
    .container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
    .section{padding:92px 0;position:relative}
    .section-tight{padding:66px 0}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 12px;
      border:1px solid rgba(105,255,176,.28);
      background:linear-gradient(135deg,rgba(33,212,253,.12),rgba(105,255,176,.08));
      color:#c8fff0;
      border-radius:999px;
      font-size:14px;
      font-weight:700;
      letter-spacing:.02em;
    }
    .eyebrow:before{
      content:"";
      width:7px;height:7px;border-radius:50%;
      background:var(--green);
      box-shadow:0 0 14px var(--green);
    }
    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:30px;
      margin-bottom:34px;
    }
    .section-head h2,.section-title{
      margin:0;
      color:var(--title);
      font-size:clamp(30px,4vw,40px);
      line-height:1.22;
      letter-spacing:-.04em;
    }
    .section-head p{
      margin:0;
      max-width:540px;
      color:var(--muted);
      font-size:16px;
    }
    .gradient-text{
      background:linear-gradient(90deg,#fff,var(--blue),var(--green));
      -webkit-background-clip:text;
      background-clip:text;
      color:transparent;
    }
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      height:76px;
      border-bottom:1px solid rgba(115,211,255,.13);
      background:rgba(6,17,31,.72);
      backdrop-filter:blur(18px);
      box-shadow:0 12px 45px rgba(0,0,0,.22);
    }
    .nav-wrap{
      height:76px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:22px;
    }
    .logo{
      display:inline-flex;
      align-items:center;
      gap:12px;
      min-width:max-content;
      font-weight:850;
      color:#fff;
      letter-spacing:-.03em;
    }
    .logo-mark{
      width:42px;height:42px;
      display:grid;
      place-items:center;
      border:1px solid rgba(33,212,253,.42);
      border-radius:14px;
      background:
        radial-gradient(circle at 35% 20%,rgba(105,255,176,.55),transparent 30%),
        linear-gradient(135deg,rgba(33,212,253,.30),rgba(139,92,246,.22));
      box-shadow:0 0 24px rgba(33,212,253,.30),inset 0 0 18px rgba(255,255,255,.08);
      color:#fff;
      font-family:var(--num);
      font-size:15px;
      transform:skew(-4deg);
    }
    .logo-text{display:flex;flex-direction:column;line-height:1.08}
    .logo-text strong{font-size:18px;text-shadow:0 0 18px rgba(33,212,253,.35)}
    .logo-text span{font-size:12px;color:var(--muted);font-weight:650;letter-spacing:.06em}
    .main-nav{display:flex;align-items:center;gap:8px;margin-left:auto}
    .nav-item{position:relative}
    .nav-link{
      display:inline-flex;
      align-items:center;
      gap:6px;
      height:42px;
      padding:0 14px;
      border-radius:999px;
      color:#cfe4f8;
      font-size:15px;
      font-weight:700;
      transition:.25s ease;
    }
    .nav-link:hover,.nav-link.active{
      color:#fff;
      background:rgba(33,212,253,.10);
      box-shadow:inset 0 0 0 1px rgba(33,212,253,.16);
    }
    .nav-link.active:after{
      content:"";
      position:absolute;
      left:22px;right:22px;bottom:2px;height:2px;
      border-radius:999px;
      background:linear-gradient(90deg,var(--blue),var(--green));
      box-shadow:0 0 12px var(--blue);
    }
    .mega{
      position:absolute;
      top:52px;
      right:-180px;
      width:min(850px,calc(100vw - 48px));
      padding:18px;
      border:1px solid var(--line);
      border-radius:24px;
      background:rgba(7,20,36,.88);
      backdrop-filter:blur(22px);
      box-shadow:var(--shadow-strong);
      opacity:0;
      visibility:hidden;
      transform:translateY(12px);
      transition:.22s ease;
    }
    .nav-item:hover .mega,.nav-item:focus-within .mega{
      opacity:1;visibility:visible;transform:translateY(0);
    }
    .mega-grid{
      display:grid;
      grid-template-columns:1fr 1.15fr .9fr;
      gap:14px;
    }
    .mega-col{
      padding:16px;
      border-radius:18px;
      background:rgba(255,255,255,.055);
      border:1px solid rgba(255,255,255,.08);
    }
    .mega-title{margin:0 0 10px;color:#fff;font-size:15px;font-weight:850}
    .mega-list{display:grid;gap:8px}
    .mega-list a,.mini-card{
      display:block;
      padding:10px 11px;
      border-radius:13px;
      color:#cfe4f8;
      background:rgba(255,255,255,.045);
      border:1px solid transparent;
      transition:.25s ease;
    }
    .mega-list a:hover,.mini-card:hover{
      transform:translateY(-2px);
      border-color:rgba(33,212,253,.28);
      background:rgba(33,212,253,.09);
    }
    .mini-card small,.mega-col small{color:var(--green);font-weight:800}
    .mini-card b{display:block;color:#fff;margin-top:2px;font-size:14px}
    .mini-card span{display:block;color:var(--muted);font-size:12px;line-height:1.6;margin-top:3px}
    .nav-cta{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      height:42px;
      padding:0 18px;
      border-radius:999px;
      color:#03111d;
      font-weight:850;
      background:linear-gradient(135deg,var(--blue),var(--green));
      box-shadow:0 0 24px rgba(33,212,253,.25);
      transition:.25s ease;
      white-space:nowrap;
    }
    .nav-cta:hover{transform:translateY(-2px);filter:brightness(1.08);box-shadow:0 0 36px rgba(33,212,253,.38)}
    .menu-toggle{display:none;width:44px;height:44px;border-radius:14px;border:1px solid rgba(255,255,255,.12);background:rgba(255,255,255,.06)}
    .menu-toggle span{display:block;width:20px;height:2px;background:#fff;margin:5px auto;border-radius:2px}
    .hero{
      position:relative;
      min-height:720px;
      display:flex;
      align-items:center;
      overflow:hidden;
    }
    .hero-bg{
      position:absolute;
      inset:0;
      background:
        linear-gradient(90deg,rgba(6,17,31,.94),rgba(6,17,31,.76) 45%,rgba(6,17,31,.86)),
        linear-gradient(180deg,rgba(6,17,31,.20),#06111f 96%),
        url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
      opacity:.82;
    }
    .hero:before{
      content:"";
      position:absolute;
      width:480px;height:480px;
      right:7%;top:18%;
      border-radius:50%;
      background:radial-gradient(circle,rgba(33,212,253,.22),transparent 66%);
      filter:blur(10px);
    }
    .hero-grid{
      position:relative;
      z-index:2;
      display:grid;
      grid-template-columns:1.02fr .88fr;
      align-items:center;
      gap:54px;
      padding:72px 0 56px;
    }
    .hero h1{
      margin:18px 0 18px;
      color:var(--title);
      font-size:clamp(38px,5.2vw,58px);
      line-height:1.12;
      letter-spacing:-.055em;
      font-weight:900;
    }
    .hero-desc{
      margin:0;
      max-width:670px;
      color:#c8d9ec;
      font-size:18px;
      line-height:1.9;
    }
    .hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:30px}
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:10px;
      min-height:50px;
      padding:0 22px;
      border-radius:999px;
      font-weight:850;
      transition:.25s ease;
      border:1px solid transparent;
      user-select:none;
    }
    .btn-primary{
      color:#02101a;
      background:linear-gradient(135deg,var(--blue),var(--green));
      box-shadow:0 0 30px rgba(33,212,253,.25);
    }
    .btn-secondary{
      color:#ecf8ff;
      background:rgba(255,255,255,.07);
      border-color:rgba(255,255,255,.14);
      backdrop-filter:blur(14px);
    }
    .btn:hover{transform:translateY(-2px)}
    .btn-primary:hover{filter:brightness(1.08);box-shadow:0 0 42px rgba(33,212,253,.38)}
    .btn-secondary:hover{border-color:rgba(33,212,253,.42);background:rgba(33,212,253,.10)}
    .trust-row{
      display:flex;
      gap:18px;
      flex-wrap:wrap;
      margin-top:28px;
      color:var(--muted);
      font-size:14px;
    }
    .trust-row span{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 11px;
      border:1px solid rgba(255,255,255,.10);
      border-radius:999px;
      background:rgba(255,255,255,.045);
    }
    .trust-row span:before{content:"";width:6px;height:6px;border-radius:50%;background:var(--blue);box-shadow:0 0 10px var(--blue)}
    .dashboard{
      position:relative;
      padding:20px;
      border:1px solid rgba(115,211,255,.24);
      border-radius:32px;
      background:linear-gradient(145deg,rgba(255,255,255,.10),rgba(255,255,255,.045));
      backdrop-filter:blur(22px);
      box-shadow:var(--shadow-strong),inset 0 0 40px rgba(255,255,255,.035);
      overflow:hidden;
    }
    .dashboard:before{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(120deg,transparent,rgba(33,212,253,.13),transparent);
      transform:translateX(-80%);
      animation:shine 6s ease-in-out infinite;
    }
    @keyframes shine{50%{transform:translateX(80%)}100%{transform:translateX(80%)}}
    .dash-top{
      position:relative;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      margin-bottom:16px;
    }
    .dash-top h2{margin:0;color:#fff;font-size:20px;line-height:1.3}
    .live-badge{
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:7px 10px;
      border-radius:999px;
      color:#07131e;
      background:var(--green);
      font-size:12px;
      font-weight:900;
    }
    .dash-main{
      position:relative;
      min-height:198px;
      border-radius:24px;
      overflow:hidden;
      border:1px solid rgba(255,255,255,.10);
      background:
        linear-gradient(180deg,rgba(0,0,0,.18),rgba(0,0,0,.52)),
        url('/assets/images/coverpic/cover-1.webp') center/cover no-repeat;
      padding:22px;
      display:flex;
      flex-direction:column;
      justify-content:flex-end;
    }
    .dash-main h3{margin:0;color:#fff;font-size:26px;line-height:1.2}
    .dash-main p{margin:8px 0 0;color:#c9d9e9}
    .dash-grid{
      position:relative;
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:12px;
      margin-top:14px;
    }
    .dash-card{
      border:1px solid rgba(255,255,255,.105);
      border-radius:18px;
      background:rgba(5,14,27,.68);
      padding:15px;
    }
    .dash-card small{display:block;color:var(--muted);font-weight:700}
    .dash-card strong{
      display:block;
      margin-top:7px;
      color:#fff;
      font-family:var(--num);
      font-size:30px;
      line-height:1;
      font-variant-numeric:tabular-nums;
    }
    .spark{
      height:34px;
      margin-top:12px;
      border-radius:10px;
      background:
        linear-gradient(135deg,transparent 16%,rgba(33,212,253,.35) 17%,transparent 18%),
        linear-gradient(45deg,transparent 42%,rgba(105,255,176,.32) 43%,transparent 44%),
        linear-gradient(90deg,rgba(33,212,253,.12),rgba(139,92,246,.12));
      clip-path:polygon(0 70%,14% 56%,28% 66%,42% 32%,55% 48%,68% 20%,82% 38%,100% 18%,100% 100%,0 100%);
    }
    .tag-strip{
      position:relative;
      display:flex;
      gap:10px;
      flex-wrap:wrap;
      margin-top:30px;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:8px 12px;
      border-radius:999px;
      border:1px solid rgba(115,211,255,.16);
      color:#bcd5ee;
      background:rgba(255,255,255,.045);
      font-size:14px;
      font-weight:700;
    }
    .tag.hot{border-color:rgba(251,191,36,.34);color:#ffe4a0;background:rgba(251,191,36,.08)}
    .metric-grid{
      display:grid;
      grid-template-columns:1.12fr .88fr .88fr 1.12fr;
      gap:16px;
    }
    .glass-card{
      position:relative;
      border:1px solid rgba(115,211,255,.18);
      border-radius:var(--radius);
      background:linear-gradient(145deg,rgba(255,255,255,.085),rgba(255,255,255,.045));
      backdrop-filter:blur(18px);
      box-shadow:var(--shadow);
      overflow:hidden;
      transition:.25s ease;
    }
    .glass-card:hover{
      transform:translateY(-4px);
      border-color:rgba(33,212,253,.38);
      background:linear-gradient(145deg,rgba(255,255,255,.115),rgba(255,255,255,.055));
      box-shadow:0 0 44px rgba(33,212,253,.18);
    }
    .metric-card{padding:22px;min-height:210px}
    .metric-card:before{
      content:"";
      position:absolute;
      left:0;right:0;top:0;height:3px;
      background:linear-gradient(90deg,var(--blue),var(--green),var(--purple));
      opacity:.85;
    }
    .metric-meta{
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:14px;
      color:var(--muted);
      font-size:13px;
      font-weight:750;
    }
    .status{
      padding:4px 8px;
      border-radius:999px;
      background:rgba(105,255,176,.11);
      border:1px solid rgba(105,255,176,.25);
      color:#baffdf;
      font-size:12px;
    }
    .metric-value{
      margin:24px 0 10px;
      color:#fff;
      font-family:var(--num);
      font-size:48px;
      line-height:1;
      letter-spacing:-.04em;
      font-variant-numeric:tabular-nums;
    }
    .metric-card p{margin:0;color:var(--muted);font-size:14px;line-height:1.7}
    .ring{
      width:72px;height:72px;border-radius:50%;
      margin-top:18px;
      background:conic-gradient(var(--blue) 0 78%,rgba(255,255,255,.10) 78% 100%);
      display:grid;place-items:center;
      box-shadow:0 0 24px rgba(33,212,253,.14);
    }
    .ring:after{content:"";width:50px;height:50px;border-radius:50%;background:#071525;border:1px solid rgba(255,255,255,.08)}
    .bar-lines{display:grid;gap:7px;margin-top:20px}
    .bar-lines i{display:block;height:7px;border-radius:999px;background:linear-gradient(90deg,var(--blue),transparent)}
    .bar-lines i:nth-child(2){width:78%;background:linear-gradient(90deg,var(--green),transparent)}
    .bar-lines i:nth-child(3){width:58%;background:linear-gradient(90deg,var(--purple),transparent)}
    .service-layout{
      display:grid;
      grid-template-columns:.9fr 1.1fr;
      gap:18px;
      align-items:stretch;
    }
    .service-main{
      padding:30px;
      min-height:100%;
      background:
        linear-gradient(180deg,rgba(0,0,0,.08),rgba(0,0,0,.54)),
        url('/assets/images/coverpic/cover-2.webp') center/cover no-repeat;
    }
    .service-main h2{margin:14px 0 12px;color:#fff;font-size:34px;line-height:1.2;letter-spacing:-.04em}
    .service-main p{margin:0;color:#d5e7f8}
    .service-points{display:grid;gap:10px;margin-top:28px}
    .point{
      display:flex;align-items:flex-start;gap:10px;
      padding:12px;
      border-radius:14px;
      background:rgba(3,12,22,.55);
      border:1px solid rgba(255,255,255,.10);
    }
    .point b{color:#fff}
    .point span{color:var(--muted);font-size:14px}
    .icon-dot{
      width:25px;height:25px;flex:0 0 25px;border-radius:9px;
      display:grid;place-items:center;
      color:#06111f;
      background:linear-gradient(135deg,var(--blue),var(--green));
      font-weight:900;
      line-height:1;
    }
    .feature-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:18px;
    }
    .feature-card{padding:24px}
    .feature-icon{
      width:44px;height:44px;border-radius:15px;
      display:grid;place-items:center;
      margin-bottom:18px;
      background:rgba(33,212,253,.11);
      border:1px solid rgba(33,212,253,.25);
      color:var(--blue);
      font-size:22px;
    }
    .feature-card h3{margin:0 0 8px;color:#fff;font-size:21px}
    .feature-card p{margin:0;color:var(--muted);font-size:15px;line-height:1.75}
    .compare-wrap{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:18px;
      align-items:stretch;
    }
    .compare-card{padding:28px}
    .compare-card.recommend{
      border-color:rgba(105,255,176,.36);
      box-shadow:0 0 52px rgba(105,255,176,.12);
      background:linear-gradient(145deg,rgba(33,212,253,.11),rgba(105,255,176,.055));
    }
    .compare-card h3{margin:0;color:#fff;font-size:24px}
    .compare-card p{margin:8px 0 22px;color:var(--muted)}
    .compare-list{display:grid;gap:12px;margin:0;padding:0;list-style:none}
    .compare-list li{
      display:flex;gap:11px;
      padding:13px;
      border-radius:15px;
      background:rgba(255,255,255,.045);
      border:1px solid rgba(255,255,255,.08);
    }
    .compare-list li:before{
      content:"";
      width:10px;height:10px;border-radius:50%;
      margin-top:9px;
      background:var(--muted);
      flex:0 0 10px;
    }
    .recommend .compare-list li:before{background:var(--green);box-shadow:0 0 12px var(--green)}
    .content-layout{
      display:grid;
      grid-template-columns:1.05fr .95fr;
      gap:18px;
    }
    .article-feature{
      min-height:440px;
      display:flex;
      flex-direction:column;
      justify-content:flex-end;
      padding:26px;
      background:
        linear-gradient(180deg,rgba(0,0,0,.04),rgba(0,0,0,.76)),
        url('/assets/images/coverpic/cover-3.webp') center/cover no-repeat;
    }
    .article-feature h3{margin:14px 0 10px;color:#fff;font-size:30px;line-height:1.22;letter-spacing:-.035em}
    .article-feature p{margin:0;color:#d8e8f8}
    .article-list{display:grid;gap:14px}
    .article-card{
      display:grid;
      grid-template-columns:136px 1fr;
      gap:16px;
      padding:14px;
      align-items:center;
    }
    .article-thumb{
      height:112px;
      border-radius:16px;
      overflow:hidden;
      position:relative;
      border:1px solid rgba(255,255,255,.10);
      background:#0b1c31;
    }
    .article-thumb img{width:100%;height:100%;object-fit:cover;filter:saturate(1.08) brightness(.78)}
    .article-body h3{margin:4px 0 6px;color:#fff;font-size:18px;line-height:1.35}
    .article-body p{margin:0;color:var(--muted);font-size:14px;line-height:1.65}
    .meta{
      display:flex;
      align-items:center;
      gap:10px;
      flex-wrap:wrap;
      color:var(--muted);
      font-size:13px;
      margin-top:10px;
    }
    .read-link{
      color:#bdf7ff;
      font-weight:850;
      display:inline-flex;
      align-items:center;
      gap:5px;
      transition:.25s ease;
    }
    .read-link:hover{color:var(--green);gap:9px}
    .process{
      border-radius:var(--radius-lg);
      border:1px solid rgba(115,211,255,.18);
      background:
        linear-gradient(135deg,rgba(33,212,253,.08),rgba(139,92,246,.07)),
        rgba(255,255,255,.04);
      padding:28px;
      overflow:hidden;
    }
    .process-grid{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:14px;
      margin-top:24px;
    }
    .step{
      position:relative;
      padding:22px;
      border-radius:20px;
      background:rgba(3,12,22,.52);
      border:1px solid rgba(255,255,255,.09);
    }
    .step-num{
      color:var(--blue);
      font-family:var(--num);
      font-size:32px;
      font-weight:900;
      line-height:1;
      text-shadow:0 0 16px rgba(33,212,253,.24);
    }
    .step h3{margin:14px 0 8px;color:#fff;font-size:19px}
    .step p{margin:0;color:var(--muted);font-size:14px;line-height:1.7}
    .faq-grid{display:grid;gap:14px}
    details.faq{
      border:1px solid rgba(115,211,255,.16);
      border-radius:18px;
      background:rgba(255,255,255,.055);
      backdrop-filter:blur(16px);
      overflow:hidden;
      transition:.25s ease;
    }
    details.faq:hover,details.faq[open]{border-color:rgba(33,212,253,.36);background:rgba(33,212,253,.075)}
    details.faq summary{
      list-style:none;
      cursor:pointer;
      padding:20px 22px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      color:#fff;
      font-weight:850;
    }
    details.faq summary::-webkit-details-marker{display:none}
    details.faq summary:after{
      content:"+";
      width:28px;height:28px;border-radius:50%;
      display:grid;place-items:center;
      border:1px solid rgba(255,255,255,.14);
      color:var(--blue);
      flex:0 0 28px;
      transition:.2s ease;
    }
    details.faq[open] summary:after{content:"−";transform:rotate(180deg);background:rgba(33,212,253,.12)}
    .faq-answer{padding:0 22px 20px;color:var(--muted)}
    .faq-answer p{margin:0}
    .cta-panel{
      display:grid;
      grid-template-columns:.95fr 1.05fr;
      gap:22px;
      padding:30px;
      border-radius:32px;
      border:1px solid rgba(115,211,255,.23);
      background:
        radial-gradient(circle at 15% 10%,rgba(33,212,253,.16),transparent 35%),
        linear-gradient(135deg,rgba(255,255,255,.09),rgba(255,255,255,.045));
      box-shadow:var(--shadow-strong);
      overflow:hidden;
    }
    .cta-copy h2{margin:12px 0;color:#fff;font-size:36px;line-height:1.18;letter-spacing:-.04em}
    .cta-copy p{margin:0;color:var(--muted)}
    .notice-card{
      margin-top:22px;
      padding:18px;
      border-radius:20px;
      background:rgba(3,12,22,.50);
      border:1px solid rgba(105,255,176,.18);
    }
    .notice-card b{color:#cffff0}
    .notice-card ul{margin:10px 0 0;padding:0;list-style:none;display:grid;gap:8px;color:var(--muted);font-size:14px}
    .notice-card li{display:flex;gap:9px}
    .notice-card li:before{content:"";width:7px;height:7px;margin-top:10px;border-radius:50%;background:var(--green);box-shadow:0 0 10px var(--green);flex:0 0 7px}
    .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .field{display:grid;gap:7px}
    .field.full{grid-column:1/-1}
    .field label{color:#e8f6ff;font-size:14px;font-weight:800}
    .field input,.field select,.field textarea{
      width:100%;
      min-height:52px;
      padding:12px 14px;
      border-radius:15px;
      border:1px solid rgba(255,255,255,.12);
      background:rgba(5,14,27,.72);
      color:#fff;
      outline:none;
      transition:.22s ease;
    }
    .field textarea{min-height:118px;resize:vertical}
    .field input::placeholder,.field textarea::placeholder{color:#6f87a5}
    .field input:focus,.field select:focus,.field textarea:focus{
      border-color:var(--blue);
      box-shadow:0 0 0 4px rgba(33,212,253,.12);
      background:rgba(5,16,31,.92);
    }
    .site-footer{
      position:relative;
      padding:54px 0 26px;
      background:#040b14;
      border-top:1px solid rgba(33,212,253,.18);
    }
    .site-footer:before{
      content:"";
      position:absolute;left:0;right:0;top:0;height:1px;
      background:linear-gradient(90deg,transparent,var(--blue),var(--green),transparent);
      opacity:.7;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.2fr .75fr .75fr 1fr;
      gap:28px;
      align-items:start;
    }
    .footer-title{margin:0 0 14px;color:#fff;font-size:16px;font-weight:900}
    .footer-desc{margin:14px 0 0;color:var(--muted);font-size:14px;line-height:1.8}
    .footer-links{display:grid;gap:10px}
    .footer-links a{color:var(--muted);font-size:14px;transition:.2s ease}
    .footer-links a:hover{color:var(--blue);transform:translateX(3px)}
    .footer-tags{display:flex;flex-wrap:wrap;gap:8px}
    .footer-tags span{
      padding:6px 9px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.10);
      color:#b8cee6;
      background:rgba(255,255,255,.045);
      font-size:12px;
      font-weight:700;
    }
    .copyright{
      margin-top:34px;
      padding-top:22px;
      border-top:1px solid rgba(255,255,255,.08);
      display:flex;
      justify-content:space-between;
      gap:18px;
      flex-wrap:wrap;
      color:#7389a5;
      font-size:13px;
    }
    .mobile-panel{display:none}
    @media (max-width:1100px){
      .metric-grid{grid-template-columns:1fr 1fr}
      .mega{right:-80px}
      .hero-grid{gap:34px}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width:900px){
      .site-header,.nav-wrap{height:68px}
      .main-nav,.nav-cta{display:none}
      .menu-toggle{display:block}
      .mobile-panel{
        position:fixed;
        top:68px;left:20px;right:20px;
        z-index:49;
        display:none;
        padding:14px;
        border-radius:22px;
        border:1px solid rgba(115,211,255,.2);
        background:rgba(6,17,31,.94);
        backdrop-filter:blur(20px);
        box-shadow:var(--shadow-strong);
      }
      .mobile-panel.open{display:grid;gap:10px}
      .mobile-panel a{
        padding:13px 14px;
        border-radius:14px;
        color:#eaf7ff;
        background:rgba(255,255,255,.055);
        border:1px solid rgba(255,255,255,.08);
        font-weight:800;
      }
      .mobile-panel a.active{border-color:rgba(33,212,253,.34);background:rgba(33,212,253,.10)}
      .hero{min-height:auto}
      .hero-grid{grid-template-columns:1fr;padding:76px 0 44px}
      .dashboard{max-width:650px}
      .service-layout,.compare-wrap,.content-layout,.cta-panel{grid-template-columns:1fr}
      .process-grid{grid-template-columns:1fr 1fr}
      .section-head{align-items:flex-start;flex-direction:column}
    }
    @media (max-width:680px){
      .container{width:min(100% - 28px,var(--container))}
      .section{padding:62px 0}
      .section-tight{padding:48px 0}
      .logo-text strong{font-size:16px}
      .logo-text span{font-size:11px}
      .logo-mark{width:38px;height:38px}
      .hero h1{font-size:36px}
      .hero-desc{font-size:16px}
      .hero-actions .btn{width:100%}
      .dash-grid,.metric-grid,.feature-grid,.process-grid,.form-grid{grid-template-columns:1fr}
      .article-card{grid-template-columns:1fr}
      .article-thumb{height:176px}
      .article-feature{min-height:360px}
      .cta-panel{padding:22px}
      .cta-copy h2{font-size:30px}
      .footer-grid{grid-template-columns:1fr}
      .copyright{flex-direction:column}
    }
    @media (max-width:460px){
      .dash-main h3{font-size:22px}
      .metric-value{font-size:42px}
      .section-head h2,.section-title{font-size:28px}
      .service-main h2{font-size:29px}
      .article-feature h3{font-size:25px}
      .tag-strip{gap:8px}
      .tag{font-size:13px}
    }

/* roulang page: category1 */
:root{
      --bg:#06111f;
      --bg-2:#081827;
      --bg-3:#0a1020;
      --panel:rgba(255,255,255,.065);
      --panel-strong:rgba(255,255,255,.105);
      --line:rgba(115,211,255,.18);
      --line-2:rgba(255,255,255,.11);
      --text:#d7e6f7;
      --muted:#8fa8c6;
      --heading:#f5fbff;
      --blue:#21d4fd;
      --blue-2:#18a8ff;
      --green:#69ffb0;
      --purple:#8b5cf6;
      --amber:#fbbf24;
      --danger:#ff6b8a;
      --radius-sm:12px;
      --radius:20px;
      --radius-lg:28px;
      --radius-xl:34px;
      --shadow:0 0 42px rgba(33,212,253,.13);
      --shadow-strong:0 24px 80px rgba(0,0,0,.42),0 0 54px rgba(33,212,253,.16);
      --container:1200px;
      --ease:cubic-bezier(.2,.8,.2,1);
    }
    *{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 8% 5%,rgba(33,212,253,.22),transparent 32%),
        radial-gradient(circle at 88% 18%,rgba(139,92,246,.20),transparent 30%),
        radial-gradient(circle at 54% 62%,rgba(105,255,176,.08),transparent 34%),
        linear-gradient(180deg,var(--bg),var(--bg-3) 52%,#040a13);
      line-height:1.8;
      overflow-x:hidden;
    }
    body:before{
      content:"";
      position:fixed;
      inset:0;
      z-index:-3;
      pointer-events:none;
      background-image:
        linear-gradient(rgba(115,211,255,.055) 1px,transparent 1px),
        linear-gradient(90deg,rgba(115,211,255,.045) 1px,transparent 1px);
      background-size:42px 42px;
      mask-image:linear-gradient(to bottom,rgba(0,0,0,.95),rgba(0,0,0,.36),transparent);
    }
    body:after{
      content:"";
      position:fixed;
      inset:0;
      z-index:-2;
      pointer-events:none;
      background:repeating-linear-gradient(180deg,rgba(255,255,255,.025) 0,rgba(255,255,255,.025) 1px,transparent 1px,transparent 8px);
      opacity:.26;
      mix-blend-mode:screen;
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    button,input,select,textarea{font:inherit}
    button{border:0;cursor:pointer}
    input,select,textarea{width:100%}
    :focus-visible{outline:2px solid var(--blue);outline-offset:4px}
    .container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
    .section{padding:88px 0}
    .section-tight{padding:64px 0}
    .section-head{display:flex;justify-content:space-between;gap:26px;align-items:flex-end;margin-bottom:34px}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 12px;
      border:1px solid var(--line);
      background:rgba(33,212,253,.08);
      border-radius:999px;
      color:#baf2ff;
      font-size:13px;
      font-weight:700;
      letter-spacing:.02em;
    }
    .eyebrow:before{
      content:"";
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--green);
      box-shadow:0 0 18px var(--green);
    }
    h1,h2,h3,p{margin-top:0}
    h1{
      margin-bottom:20px;
      color:var(--heading);
      font-size:clamp(34px,5vw,56px);
      line-height:1.12;
      letter-spacing:-.04em;
      font-weight:850;
    }
    h2{
      margin-bottom:12px;
      color:var(--heading);
      font-size:clamp(28px,3.2vw,38px);
      line-height:1.22;
      letter-spacing:-.03em;
      font-weight:820;
    }
    h3{color:var(--heading);font-size:22px;line-height:1.35;font-weight:760;margin-bottom:10px}
    p{color:var(--muted)}
    .lead{font-size:17px;color:#c5d9ee;max-width:760px}
    .gradient-text{
      background:linear-gradient(90deg,#fff,var(--blue),var(--green));
      -webkit-background-clip:text;
      background-clip:text;
      color:transparent;
    }

    .site-header{
      position:sticky;
      top:0;
      z-index:100;
      border-bottom:1px solid rgba(115,211,255,.14);
      background:rgba(6,17,31,.76);
      backdrop-filter:blur(20px);
      box-shadow:0 12px 38px rgba(0,0,0,.25);
    }
    .nav-wrap{height:74px;display:flex;align-items:center;gap:24px}
    .logo{display:inline-flex;align-items:center;gap:12px;min-width:max-content}
    .logo-mark{
      width:46px;
      height:46px;
      display:grid;
      place-items:center;
      color:#06111f;
      font-weight:900;
      font-size:15px;
      letter-spacing:-.05em;
      background:linear-gradient(135deg,var(--blue),var(--green));
      clip-path:polygon(25% 4%,75% 4%,100% 50%,75% 96%,25% 96%,0 50%);
      box-shadow:0 0 26px rgba(33,212,253,.48);
    }
    .logo-text{display:flex;flex-direction:column;line-height:1.18}
    .logo-text strong{font-size:17px;color:#f7fcff;font-weight:850;letter-spacing:-.02em}
    .logo-text span{font-size:12px;color:var(--muted)}
    .main-nav{margin-left:auto;display:flex;align-items:center;gap:6px;height:100%}
    .nav-item{position:relative;height:100%;display:flex;align-items:center}
    .nav-link{
      position:relative;
      display:inline-flex;
      align-items:center;
      height:42px;
      padding:0 14px;
      border-radius:999px;
      color:#b9cce2;
      font-weight:650;
      font-size:14px;
      transition:.25s var(--ease);
    }
    .nav-link:after{
      content:"";
      position:absolute;
      left:18px;
      right:18px;
      bottom:5px;
      height:2px;
      border-radius:99px;
      background:linear-gradient(90deg,var(--blue),var(--green));
      transform:scaleX(0);
      transform-origin:center;
      transition:.25s var(--ease);
      box-shadow:0 0 12px rgba(33,212,253,.8);
    }
    .nav-link:hover,.nav-link.active{
      color:#fff;
      background:rgba(255,255,255,.07);
    }
    .nav-link:hover:after,.nav-link.active:after{transform:scaleX(1)}
    .nav-cta{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:42px;
      padding:0 18px;
      border-radius:999px;
      color:#05111f;
      font-weight:800;
      font-size:14px;
      background:linear-gradient(135deg,var(--blue),var(--green));
      box-shadow:0 0 30px rgba(33,212,253,.26);
      transition:.25s var(--ease);
    }
    .nav-cta:hover{transform:translateY(-2px);box-shadow:0 0 40px rgba(105,255,176,.28)}
    .mega{
      position:absolute;
      top:68px;
      left:50%;
      width:min(860px,calc(100vw - 48px));
      transform:translateX(-50%) translateY(14px);
      opacity:0;
      visibility:hidden;
      pointer-events:none;
      padding:18px;
      border:1px solid var(--line);
      border-radius:22px;
      background:rgba(7,19,34,.92);
      backdrop-filter:blur(22px);
      box-shadow:var(--shadow-strong);
      transition:.25s var(--ease);
    }
    .nav-item:hover .mega,.nav-item:focus-within .mega{
      opacity:1;
      visibility:visible;
      pointer-events:auto;
      transform:translateX(-50%) translateY(0);
    }
    .mega-grid{display:grid;grid-template-columns:1fr 1.3fr 1fr;gap:16px}
    .mega-col{
      padding:16px;
      border:1px solid rgba(255,255,255,.09);
      border-radius:18px;
      background:rgba(255,255,255,.045);
    }
    .mega-title{
      margin:0 0 12px;
      color:#f2fbff;
      font-weight:800;
      font-size:14px;
    }
    .mega-list{display:grid;gap:8px}
    .mega-list a{
      padding:9px 10px;
      border-radius:12px;
      color:#b9cce2;
      font-size:14px;
      transition:.2s var(--ease);
    }
    .mega-list a:hover{color:#fff;background:rgba(33,212,253,.10);transform:translateX(3px)}
    .mini-card{
      display:block;
      padding:12px;
      border-radius:16px;
      border:1px solid rgba(115,211,255,.13);
      background:rgba(255,255,255,.045);
      margin-bottom:10px;
      transition:.25s var(--ease);
    }
    .mini-card:hover{transform:translateY(-3px);border-color:rgba(33,212,253,.38);background:rgba(33,212,253,.08)}
    .mini-card small{display:block;color:var(--green);font-weight:800}
    .mini-card b{display:block;color:#fff;font-size:14px;line-height:1.45;margin:4px 0}
    .mini-card span{display:block;color:var(--muted);font-size:12px;line-height:1.6}
    .bar-lines{display:grid;gap:8px;margin-top:18px}
    .bar-lines i{
      display:block;
      height:8px;
      border-radius:999px;
      background:linear-gradient(90deg,var(--blue),rgba(33,212,253,.12));
    }
    .bar-lines i:nth-child(2){width:76%;background:linear-gradient(90deg,var(--green),rgba(105,255,176,.12))}
    .bar-lines i:nth-child(3){width:58%;background:linear-gradient(90deg,var(--purple),rgba(139,92,246,.12))}
    .menu-toggle{
      display:none;
      width:44px;
      height:44px;
      border-radius:14px;
      background:rgba(255,255,255,.07);
      border:1px solid rgba(255,255,255,.12);
    }
    .menu-toggle span{
      display:block;
      width:20px;
      height:2px;
      background:#eaf8ff;
      margin:5px auto;
      border-radius:8px;
      transition:.25s var(--ease);
    }

    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      min-height:48px;
      padding:0 22px;
      border-radius:999px;
      font-weight:800;
      color:#06111f;
      background:linear-gradient(135deg,var(--blue),var(--green));
      box-shadow:0 0 34px rgba(33,212,253,.20);
      transition:.25s var(--ease);
    }
    .btn:hover{transform:translateY(-3px);filter:brightness(1.08);box-shadow:0 0 46px rgba(33,212,253,.32)}
    .btn.secondary{
      color:#eaf8ff;
      background:rgba(255,255,255,.055);
      border:1px solid rgba(115,211,255,.22);
      box-shadow:none;
    }
    .btn.secondary:hover{border-color:rgba(33,212,253,.58);background:rgba(33,212,253,.10)}
    .tag,.filter-chip{
      display:inline-flex;
      align-items:center;
      gap:6px;
      border:1px solid rgba(115,211,255,.20);
      background:rgba(33,212,253,.08);
      color:#caefff;
      padding:6px 11px;
      border-radius:999px;
      font-size:13px;
      font-weight:750;
      white-space:nowrap;
    }
    .tag.green{background:rgba(105,255,176,.08);border-color:rgba(105,255,176,.22);color:#c8ffe0}
    .tag.purple{background:rgba(139,92,246,.10);border-color:rgba(139,92,246,.26);color:#ddd3ff}
    .tag.amber{background:rgba(251,191,36,.10);border-color:rgba(251,191,36,.26);color:#ffe7a8}
    .glass-card{
      position:relative;
      overflow:hidden;
      border:1px solid var(--line-2);
      border-radius:var(--radius-lg);
      background:linear-gradient(145deg,rgba(255,255,255,.095),rgba(255,255,255,.045));
      backdrop-filter:blur(18px);
      box-shadow:var(--shadow);
    }
    .glass-card:before{
      content:"";
      position:absolute;
      inset:0;
      pointer-events:none;
      background:
        linear-gradient(135deg,rgba(255,255,255,.14),transparent 28%),
        radial-gradient(circle at top right,rgba(33,212,253,.12),transparent 36%);
      opacity:.78;
    }
    .glass-card > *{position:relative;z-index:1}
    .hover-lift{transition:.25s var(--ease)}
    .hover-lift:hover{transform:translateY(-5px);border-color:rgba(33,212,253,.36);background:rgba(255,255,255,.085)}

    .category-hero{
      position:relative;
      min-height:520px;
      display:flex;
      align-items:center;
      overflow:hidden;
      border-bottom:1px solid rgba(115,211,255,.12);
    }
    .category-hero .hero-bg{
      position:absolute;
      inset:0;
      z-index:-2;
      background:
        linear-gradient(90deg,rgba(6,17,31,.96),rgba(6,17,31,.68) 52%,rgba(6,17,31,.92)),
        linear-gradient(180deg,rgba(6,17,31,.44),#06111f),
        url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
      transform:scale(1.02);
    }
    .category-hero:after{
      content:"";
      position:absolute;
      right:-80px;
      bottom:-160px;
      width:540px;
      height:540px;
      border-radius:50%;
      background:radial-gradient(circle,rgba(33,212,253,.20),transparent 64%);
      pointer-events:none;
    }
    .hero-grid{
      display:grid;
      grid-template-columns:minmax(0,1.08fr) 420px;
      align-items:center;
      gap:44px;
      padding:72px 0 58px;
    }
    .breadcrumb{
      display:flex;
      flex-wrap:wrap;
      align-items:center;
      gap:9px;
      margin:0 0 18px;
      color:#9fb4cc;
      font-size:14px;
    }
    .breadcrumb a{color:#c8eaff;transition:.2s var(--ease)}
    .breadcrumb a:hover{color:var(--green)}
    .breadcrumb span{color:#66809c}
    .hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
    .trust-row{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:26px;
    }
    .stat-panel{padding:24px}
    .stat-panel h3{font-size:20px;margin-bottom:16px}
    .stat-list{display:grid;gap:12px}
    .stat-item{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      padding:14px;
      border-radius:18px;
      border:1px solid rgba(255,255,255,.09);
      background:rgba(3,10,20,.34);
    }
    .stat-item span{color:#aac0d8;font-size:14px}
    .stat-item strong{
      color:#fff;
      font-size:22px;
      font-variant-numeric:tabular-nums;
      letter-spacing:-.03em;
    }
    .pulse-dot{
      width:10px;
      height:10px;
      border-radius:50%;
      background:var(--green);
      box-shadow:0 0 20px var(--green);
      display:inline-block;
    }

    .filter-wrap{
      margin-top:-36px;
      position:relative;
      z-index:5;
    }
    .filter-bar{
      display:flex;
      flex-wrap:wrap;
      align-items:center;
      gap:12px;
      padding:18px;
      border-radius:24px;
      border:1px solid rgba(115,211,255,.20);
      background:rgba(7,19,34,.88);
      backdrop-filter:blur(20px);
      box-shadow:0 18px 60px rgba(0,0,0,.26);
    }
    .filter-chip{
      background:rgba(255,255,255,.045);
      color:#bcd1e7;
      transition:.2s var(--ease);
    }
    .filter-chip.active,.filter-chip:hover{
      color:#05111f;
      background:linear-gradient(135deg,var(--blue),var(--green));
      border-color:transparent;
      box-shadow:0 0 22px rgba(33,212,253,.20);
    }

    .insight-strip{
      display:grid;
      grid-template-columns:1.15fr .85fr;
      gap:22px;
      align-items:stretch;
    }
    .focus-card{padding:30px}
    .focus-card .mini-metrics{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:12px;
      margin-top:22px;
    }
    .mini-metric{
      padding:16px;
      border-radius:18px;
      background:rgba(255,255,255,.045);
      border:1px solid rgba(255,255,255,.09);
    }
    .mini-metric strong{
      display:block;
      color:var(--heading);
      font-size:24px;
      font-variant-numeric:tabular-nums;
    }
    .mini-metric span{display:block;color:var(--muted);font-size:13px;margin-top:3px}
    .image-card{
      min-height:310px;
      padding:22px;
      display:flex;
      flex-direction:column;
      justify-content:flex-end;
      isolation:isolate;
    }
    .image-card:after{
      content:"";
      position:absolute;
      inset:0;
      z-index:0;
      background:
        linear-gradient(180deg,rgba(6,17,31,.20),rgba(6,17,31,.92)),
        url('/assets/images/coverpic/cover-1.webp') center/cover no-repeat;
      opacity:.88;
    }
    .image-card > *{z-index:1}

    .content-layout{
      display:grid;
      grid-template-columns:minmax(0,1fr) 340px;
      gap:28px;
      align-items:start;
    }
    .article-stack{display:grid;gap:18px}
    .article-card{
      display:grid;
      grid-template-columns:230px minmax(0,1fr);
      gap:18px;
      padding:16px;
      border-radius:26px;
      border:1px solid rgba(115,211,255,.15);
      background:rgba(255,255,255,.055);
      backdrop-filter:blur(18px);
      transition:.25s var(--ease);
      overflow:hidden;
    }
    .article-card:hover{
      transform:translateY(-4px);
      border-color:rgba(33,212,253,.38);
      background:rgba(255,255,255,.085);
      box-shadow:0 0 34px rgba(33,212,253,.10);
    }
    .article-card.featured{
      grid-template-columns:1fr;
      padding:0;
      overflow:hidden;
      background:rgba(255,255,255,.07);
    }
    .article-media{
      position:relative;
      min-height:170px;
      border-radius:20px;
      overflow:hidden;
      background:#10243a;
    }
    .article-card.featured .article-media{min-height:330px;border-radius:0}
    .article-media img{width:100%;height:100%;object-fit:cover}
    .article-media:after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg,rgba(6,17,31,.12),rgba(6,17,31,.82));
    }
    .article-body{padding:2px 6px 2px 0}
    .article-card.featured .article-body{padding:24px}
    .meta-row{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      align-items:center;
      margin-bottom:12px;
    }
    .date{color:#7f98b5;font-size:13px}
    .article-title{
      color:#f7fcff;
      font-size:23px;
      line-height:1.35;
      font-weight:820;
      letter-spacing:-.025em;
      margin-bottom:10px;
    }
    .article-card.featured .article-title{font-size:30px}
    .article-desc{font-size:15px;margin-bottom:16px;color:#a9bed5}
    .read-link{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:#baf2ff;
      font-weight:800;
      font-size:14px;
      transition:.2s var(--ease);
    }
    .read-link:after{content:"→";transition:.2s var(--ease)}
    .read-link:hover{color:var(--green)}
    .read-link:hover:after{transform:translateX(4px)}

    .sidebar{display:grid;gap:18px;position:sticky;top:94px}
    .side-card{padding:22px;border-radius:24px}
    .side-card h3{font-size:19px}
    .keyword-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .rank-list{display:grid;gap:12px;counter-reset:item}
    .rank-list a{
      position:relative;
      display:block;
      padding:13px 12px 13px 42px;
      border-radius:16px;
      color:#c9d9e9;
      background:rgba(255,255,255,.04);
      border:1px solid rgba(255,255,255,.08);
      transition:.2s var(--ease);
      line-height:1.55;
      font-size:14px;
    }
    .rank-list a:before{
      counter-increment:item;
      content:counter(item);
      position:absolute;
      left:12px;
      top:14px;
      width:22px;
      height:22px;
      border-radius:8px;
      display:grid;
      place-items:center;
      color:#06111f;
      font-weight:900;
      background:linear-gradient(135deg,var(--blue),var(--green));
      font-size:12px;
    }
    .rank-list a:hover{transform:translateX(3px);border-color:rgba(33,212,253,.34);color:#fff}
    .dimension-list{display:grid;gap:10px;margin-top:14px}
    .dimension{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      font-size:14px;
      color:#b9cde2;
    }
    .dimension i{
      flex:1;
      height:7px;
      border-radius:999px;
      background:rgba(255,255,255,.08);
      overflow:hidden;
    }
    .dimension i:before{
      content:"";
      display:block;
      height:100%;
      width:var(--w);
      border-radius:999px;
      background:linear-gradient(90deg,var(--blue),var(--green));
      box-shadow:0 0 14px rgba(33,212,253,.35);
    }

    .process-grid{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:16px;
    }
    .process-card{
      padding:24px;
      min-height:230px;
      border-radius:26px;
      border:1px solid rgba(255,255,255,.10);
      background:linear-gradient(180deg,rgba(255,255,255,.078),rgba(255,255,255,.04));
      transition:.25s var(--ease);
    }
    .process-card:hover{transform:translateY(-4px);border-color:rgba(33,212,253,.32)}
    .step-num{
      width:42px;
      height:42px;
      display:grid;
      place-items:center;
      border-radius:14px;
      margin-bottom:18px;
      color:#06111f;
      font-weight:900;
      background:linear-gradient(135deg,var(--blue),var(--green));
      box-shadow:0 0 24px rgba(33,212,253,.22);
      font-variant-numeric:tabular-nums;
    }

    .compare-panel{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:18px;
    }
    .compare-card{padding:28px;border-radius:28px;border:1px solid rgba(255,255,255,.10);background:rgba(255,255,255,.045)}
    .compare-card.recommended{
      border-color:rgba(105,255,176,.34);
      background:linear-gradient(145deg,rgba(105,255,176,.095),rgba(33,212,253,.055));
      box-shadow:0 0 44px rgba(105,255,176,.10);
    }
    .check-list{display:grid;gap:12px;margin:18px 0 0;padding:0;list-style:none}
    .check-list li{
      display:flex;
      gap:10px;
      align-items:flex-start;
      color:#c5d8ec;
      font-size:15px;
    }
    .check-list li:before{
      content:"";
      flex:0 0 18px;
      height:18px;
      margin-top:5px;
      border-radius:6px;
      background:linear-gradient(135deg,var(--blue),var(--green));
      box-shadow:0 0 14px rgba(33,212,253,.20);
    }
    .compare-card:not(.recommended) .check-list li:before{background:rgba(255,255,255,.18);box-shadow:none}

    .faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
    .faq-item{
      border:1px solid rgba(115,211,255,.15);
      border-radius:22px;
      background:rgba(255,255,255,.055);
      overflow:hidden;
      transition:.25s var(--ease);
    }
    .faq-item:hover{border-color:rgba(33,212,253,.35);background:rgba(255,255,255,.075)}
    .faq-question{
      width:100%;
      text-align:left;
      display:flex;
      justify-content:space-between;
      gap:16px;
      padding:20px 22px;
      background:transparent;
      color:#f6fbff;
      font-weight:800;
    }
    .faq-question span:last-child{color:var(--blue);transition:.25s var(--ease)}
    .faq-answer{
      display:none;
      padding:0 22px 20px;
      color:#9fb5ce;
      font-size:15px;
    }
    .faq-item.open{border-color:rgba(33,212,253,.42);box-shadow:0 0 26px rgba(33,212,253,.08)}
    .faq-item.open .faq-answer{display:block}
    .faq-item.open .faq-question span:last-child{transform:rotate(45deg);color:var(--green)}

    .cta-band{
      position:relative;
      overflow:hidden;
      padding:34px;
      border-radius:32px;
      border:1px solid rgba(115,211,255,.22);
      background:
        linear-gradient(135deg,rgba(33,212,253,.14),rgba(139,92,246,.09) 46%,rgba(105,255,176,.08)),
        rgba(255,255,255,.055);
      box-shadow:var(--shadow);
    }
    .cta-band:after{
      content:"";
      position:absolute;
      right:-80px;
      top:-90px;
      width:280px;
      height:280px;
      border-radius:50%;
      background:radial-gradient(circle,rgba(33,212,253,.28),transparent 65%);
    }
    .cta-grid{
      position:relative;
      z-index:1;
      display:grid;
      grid-template-columns:1fr 430px;
      gap:30px;
      align-items:start;
    }
    .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .field.full{grid-column:1/-1}
    label{display:block;color:#dcecff;font-size:13px;font-weight:750;margin-bottom:7px}
    input,select,textarea{
      height:52px;
      border-radius:16px;
      border:1px solid rgba(255,255,255,.12);
      background:rgba(2,8,17,.42);
      color:#eef9ff;
      padding:0 14px;
      transition:.2s var(--ease);
    }
    textarea{height:112px;padding-top:13px;resize:vertical}
    input::placeholder,textarea::placeholder{color:#6f879f}
    input:focus,select:focus,textarea:focus{
      border-color:var(--blue);
      box-shadow:0 0 0 4px rgba(33,212,253,.12);
      outline:none;
    }
    select option{background:#081827;color:#fff}

    .site-footer{
      margin-top:88px;
      padding:58px 0 28px;
      border-top:1px solid rgba(115,211,255,.18);
      background:linear-gradient(180deg,rgba(6,17,31,.66),rgba(2,7,14,.96));
      box-shadow:0 -12px 44px rgba(33,212,253,.05);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.2fr .8fr 1fr 1.1fr;
      gap:32px;
      align-items:start;
    }
    .footer-desc{margin:16px 0 0;color:#8fa8c6;font-size:14px;line-height:1.8}
    .footer-title{margin:0 0 14px;color:#f5fbff;font-weight:850}
    .footer-links{display:grid;gap:10px}
    .footer-links a{
      color:#9fb5ce;
      font-size:14px;
      transition:.2s var(--ease);
    }
    .footer-links a:hover{color:var(--green);transform:translateX(3px)}
    .footer-tags{display:flex;flex-wrap:wrap;gap:9px}
    .footer-tags span{
      padding:6px 10px;
      border-radius:999px;
      border:1px solid rgba(115,211,255,.16);
      background:rgba(255,255,255,.045);
      color:#b7cce2;
      font-size:13px;
    }
    .copyright{
      margin-top:34px;
      padding-top:20px;
      border-top:1px solid rgba(255,255,255,.08);
      display:flex;
      justify-content:space-between;
      gap:18px;
      color:#7890aa;
      font-size:13px;
    }

    @media (max-width:1100px){
      .hero-grid{grid-template-columns:1fr;gap:28px}
      .stat-panel{max-width:640px}
      .content-layout{grid-template-columns:1fr}
      .sidebar{position:static;grid-template-columns:repeat(2,1fr)}
      .process-grid{grid-template-columns:repeat(2,1fr)}
      .cta-grid{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width:900px){
      .nav-wrap{height:auto;min-height:68px;flex-wrap:wrap;padding:12px 0}
      .menu-toggle{display:block;margin-left:auto}
      .main-nav{
        order:5;
        display:none;
        width:100%;
        height:auto;
        margin:8px 0 0;
        flex-direction:column;
        align-items:stretch;
        gap:8px;
        padding:12px;
        border-radius:22px;
        border:1px solid rgba(115,211,255,.16);
        background:rgba(255,255,255,.045);
      }
      .main-nav.open{display:flex}
      .nav-item{height:auto;display:block}
      .nav-link{width:100%;height:44px;justify-content:flex-start}
      .mega{position:static;width:100%;transform:none;opacity:1;visibility:visible;pointer-events:auto;margin-top:8px;display:none}
      .nav-item:hover .mega,.nav-item:focus-within .mega{transform:none}
      .nav-item.open .mega{display:block}
      .mega-grid{grid-template-columns:1fr}
      .nav-cta{display:none}
      .insight-strip{grid-template-columns:1fr}
      .compare-panel{grid-template-columns:1fr}
      .faq-grid{grid-template-columns:1fr}
    }
    @media (max-width:720px){
      .container{width:min(100% - 28px,var(--container))}
      .section{padding:58px 0}
      .section-tight{padding:44px 0}
      .section-head{display:block}
      .category-hero{min-height:auto}
      .hero-grid{padding:54px 0 72px}
      .hero-actions .btn{width:100%}
      .trust-row{gap:9px}
      .focus-card .mini-metrics{grid-template-columns:1fr}
      .article-card,.article-card.featured{grid-template-columns:1fr}
      .article-media{min-height:210px}
      .article-card.featured .article-media{min-height:245px}
      .article-body,.article-card.featured .article-body{padding:18px}
      .article-title,.article-card.featured .article-title{font-size:22px}
      .sidebar{grid-template-columns:1fr}
      .process-grid{grid-template-columns:1fr}
      .form-grid{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr}
      .copyright{flex-direction:column}
      .cta-band{padding:24px}
    }
    @media (max-width:520px){
      h1{font-size:34px}
      h2{font-size:28px}
      .logo-text strong{font-size:15px}
      .logo-mark{width:42px;height:42px}
      .filter-bar{overflow-x:auto;flex-wrap:nowrap;padding-bottom:16px}
      .filter-chip{flex:0 0 auto}
      .stat-item strong{font-size:19px}
      .mini-metric strong{font-size:21px}
    }