/* roulang page: index */
:root{
      --primary:#2563eb;
      --primary-dark:#1d4ed8;
      --cyan:#06b6d4;
      --indigo:#6366f1;
      --success:#10b981;
      --warning:#f59e0b;
      --bg:#f6f9fc;
      --bg-soft:#f8faff;
      --text:#111827;
      --muted:#5b6472;
      --border:#e5eaf2;
      --card:#ffffff;
      --footer:#0f172a;
      --shadow:0 14px 38px rgba(30,64,175,.08);
      --shadow-lg:0 22px 60px rgba(30,64,175,.12);
      --radius:22px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 12% 8%,rgba(37,99,235,.10),transparent 32%),
        radial-gradient(circle at 90% 18%,rgba(6,182,212,.09),transparent 30%),
        linear-gradient(180deg,#fff 0%,var(--bg) 46%,#fff 100%);
      line-height:1.75;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none;transition:.22s ease}
    img{max-width:100%;display:block}
    button,input,select,textarea{font:inherit}
    ::selection{background:rgba(37,99,235,.16);color:var(--primary-dark)}
    .site-container{width:min(1200px,100% - 48px);margin-inline:auto}
    .section{padding:92px 0}
    .section-tight{padding:70px 0}
    .eyebrow{
      display:inline-flex;align-items:center;gap:8px;
      padding:7px 12px;border:1px solid rgba(37,99,235,.14);
      border-radius:999px;background:#eff6ff;color:var(--primary-dark);
      font-size:13px;font-weight:700;
    }
    .eyebrow::before{content:"";width:7px;height:7px;border-radius:999px;background:var(--cyan);box-shadow:0 0 0 5px rgba(6,182,212,.12)}
    .section-title{font-size:clamp(30px,4vw,42px);line-height:1.22;font-weight:800;letter-spacing:-.02em;margin:14px 0 14px}
    .section-desc{color:var(--muted);font-size:17px;max-width:720px}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      border-radius:999px;padding:13px 20px;font-weight:800;
      border:1px solid transparent;transition:.22s ease;white-space:nowrap;
    }
    .btn-primary{background:var(--primary);color:#fff;box-shadow:0 14px 28px rgba(37,99,235,.22)}
    .btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:0 18px 36px rgba(37,99,235,.28)}
    .btn-secondary{background:#fff;color:var(--primary);border-color:#bfdbfe}
    .btn-secondary:hover{background:#eff6ff;transform:translateY(-2px);border-color:#93c5fd}
    .btn:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,button:focus-visible{
      outline:3px solid rgba(37,99,235,.28);outline-offset:3px;
    }
    .card{
      background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
      box-shadow:var(--shadow);transition:.22s ease;
    }
    .card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:#bfdbfe}
    .tag{
      display:inline-flex;align-items:center;border-radius:999px;padding:5px 10px;
      font-size:12px;font-weight:800;color:var(--primary-dark);background:#eff6ff;border:1px solid #dbeafe;
    }
    .header{
      position:sticky;top:0;z-index:50;background:rgba(255,255,255,.82);
      backdrop-filter:saturate(180%) blur(18px);border-bottom:1px solid rgba(229,234,242,.9);
      transition:.25s ease;
    }
    .brand-row{min-height:58px;display:flex;align-items:center;justify-content:space-between;gap:16px}
    .logo{display:flex;align-items:center;gap:10px;font-weight:900;letter-spacing:-.02em}
    .logo-mark{
      width:38px;height:38px;border-radius:14px;background:linear-gradient(135deg,var(--primary),var(--cyan));
      position:relative;box-shadow:0 12px 22px rgba(37,99,235,.22);
    }
    .logo-mark::before,.logo-mark::after{content:"";position:absolute;background:#fff;border-radius:999px}
    .logo-mark::before{width:17px;height:4px;left:10px;top:13px;transform:rotate(-18deg)}
    .logo-mark::after{width:13px;height:4px;right:8px;bottom:12px;transform:rotate(-18deg);opacity:.86}
    .logo-text{font-size:19px;color:#0f172a}
    .top-actions{display:flex;align-items:center;gap:10px}
    .search-pill{
      width:280px;display:flex;align-items:center;gap:8px;padding:10px 14px;border-radius:999px;
      background:#f1f5f9;color:#64748b;border:1px solid #e2e8f0;font-size:14px;
    }
    .mini-link{font-weight:800;color:var(--muted);font-size:14px}
    .mini-link:hover{color:var(--primary)}
    .channel-row{border-top:1px solid rgba(229,234,242,.75)}
    .channel-inner{display:flex;align-items:center;justify-content:space-between;gap:14px;min-height:46px}
    .nav-links{display:flex;align-items:center;gap:8px;overflow-x:auto;scrollbar-width:none}
    .nav-links::-webkit-scrollbar{display:none}
    .nav-link{
      flex:0 0 auto;padding:8px 13px;border-radius:999px;font-size:14px;font-weight:800;color:#475569;
    }
    .nav-link:hover{color:var(--primary);background:#eff6ff}
    .nav-link.active{color:var(--primary-dark);background:#dbeafe}
    .trend{display:flex;align-items:center;gap:8px;white-space:nowrap;font-size:13px;color:#64748b}
    .trend strong{color:var(--warning)}
    .hero{
      position:relative;overflow:hidden;padding:72px 0 86px;
      background:
        linear-gradient(90deg,rgba(255,255,255,.96),rgba(248,250,255,.88)),
        url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
    }
    .hero::before{
      content:"";position:absolute;inset:0;opacity:.56;pointer-events:none;
      background-image:
        linear-gradient(rgba(37,99,235,.08) 1px,transparent 1px),
        linear-gradient(90deg,rgba(37,99,235,.08) 1px,transparent 1px);
      background-size:34px 34px;
      mask-image:linear-gradient(90deg,#000,transparent 88%);
    }
    .hero-grid{position:relative;display:grid;grid-template-columns:1.03fr .97fr;gap:44px;align-items:center}
    .hero h1{font-size:clamp(34px,5vw,56px);line-height:1.12;font-weight:900;letter-spacing:-.035em;margin:18px 0 18px}
    .hero p{font-size:18px;color:var(--muted);max-width:640px}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
    .hero-note{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
    .dashboard{
      padding:22px;border-radius:28px;background:rgba(255,255,255,.92);border:1px solid rgba(191,219,254,.9);
      box-shadow:0 24px 70px rgba(37,99,235,.14);position:relative;overflow:hidden;
    }
    .dashboard::after{content:"";position:absolute;width:180px;height:180px;border-radius:50%;right:-70px;top:-70px;background:rgba(6,182,212,.12)}
    .dash-head{position:relative;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--border);padding-bottom:15px}
    .status{display:flex;align-items:center;gap:8px;font-weight:900}
    .status-dot{width:10px;height:10px;background:var(--success);border-radius:999px;box-shadow:0 0 0 6px rgba(16,185,129,.12)}
    .dash-grid{position:relative;display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin:18px 0}
    .dash-card{padding:18px;border-radius:18px;background:#f8fbff;border:1px solid #e0edff}
    .dash-num{font-size:28px;font-weight:900;color:var(--primary-dark);line-height:1}
    .dash-label{font-size:13px;color:var(--muted);margin-top:7px}
    .flow{position:relative;padding:15px;border-radius:18px;background:linear-gradient(90deg,#eff6ff,#ecfeff);border:1px solid #dbeafe;color:#334155;font-weight:800;font-size:13px}
    .metric-strip{display:grid;grid-template-columns:1.1fr .9fr 1fr 1.05fr;gap:18px}
    .metric{padding:24px;position:relative;overflow:hidden}
    .metric::after{content:"";position:absolute;right:18px;bottom:18px;width:70px;height:32px;border-radius:999px;background:linear-gradient(90deg,rgba(37,99,235,.12),rgba(6,182,212,.12))}
    .metric strong{display:block;font-size:34px;line-height:1;font-weight:900;color:var(--primary-dark)}
    .metric span{display:inline-flex;margin-top:12px;font-size:12px;font-weight:900;color:#047857;background:#ecfdf5;border:1px solid #bbf7d0;border-radius:999px;padding:4px 9px}
    .metric p{margin-top:12px;color:var(--muted);font-size:14px}
    .bento{display:grid;grid-template-columns:1.25fr .75fr .75fr;grid-template-rows:auto auto;gap:22px}
    .service-main{grid-row:span 2;padding:34px;background:linear-gradient(135deg,#ffffff,#f0f7ff)}
    .service-card{padding:26px}
    .icon-box{width:44px;height:44px;border-radius:16px;display:grid;place-items:center;background:#eff6ff;color:var(--primary);font-weight:900;margin-bottom:18px}
    .card-link{display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-weight:900;margin-top:16px}
    .card-link:hover{text-decoration:underline;gap:10px}
    .compare-wrap{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:stretch}
    .compare-card{padding:30px}
    .compare-card.recommended{border-color:#93c5fd;background:linear-gradient(180deg,#fff,#f5fbff);position:relative}
    .ribbon{position:absolute;right:22px;top:22px;background:#fff7ed;color:#b45309;border:1px solid #fed7aa;border-radius:999px;padding:5px 10px;font-size:12px;font-weight:900}
    .compare-list{display:grid;gap:14px;margin-top:22px}
    .compare-list li{display:flex;gap:10px;align-items:flex-start;color:#475569}
    .check,.minus{width:22px;height:22px;border-radius:999px;display:grid;place-items:center;flex:0 0 auto;font-size:13px;font-weight:900}
    .check{background:#dcfce7;color:#047857}.minus{background:#fee2e2;color:#b91c1c}
    .topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
    .topic-card{overflow:hidden}
    .topic-img{aspect-ratio:16/9;width:100%;object-fit:cover}
    .topic-body{padding:22px}
    .topic-title{font-size:20px;font-weight:900;line-height:1.35;margin:12px 0 8px}
    .topic-title:hover{color:var(--primary)}
    .topic-meta{display:flex;justify-content:space-between;gap:10px;color:#64748b;font-size:13px;margin-top:16px}
    .dark-band{
      background:linear-gradient(135deg,#0f172a,#172554 58%,#0e7490);
      color:#fff;border-radius:32px;padding:42px;position:relative;overflow:hidden;
    }
    .dark-band::after{
      content:"";position:absolute;inset:0;opacity:.20;
      background-image:linear-gradient(rgba(255,255,255,.18) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.18) 1px,transparent 1px);
      background-size:38px 38px;
    }
    .dark-content{position:relative;display:grid;grid-template-columns:1fr 1fr 1fr;gap:18px}
    .process-item{padding:22px;border-radius:20px;background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.16)}
    .process-item strong{display:block;font-size:24px;color:#67e8f9}
    .faq-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
    details.faq{padding:22px;border-radius:20px;background:#fff;border:1px solid var(--border);box-shadow:0 10px 28px rgba(30,64,175,.06)}
    details.faq[open]{background:#f8fbff;border-color:#bfdbfe}
    details.faq summary{cursor:pointer;list-style:none;display:flex;align-items:center;justify-content:space-between;gap:16px;font-weight:900}
    details.faq summary::-webkit-details-marker{display:none}
    details.faq summary::after{content:"+";width:26px;height:26px;border-radius:999px;background:#eff6ff;color:var(--primary);display:grid;place-items:center;flex:0 0 auto}
    details.faq[open] summary::after{content:"−";background:var(--primary);color:#fff}
    details.faq p{color:var(--muted);margin-top:14px}
    .cta-panel{display:grid;grid-template-columns:1.08fr .92fr;gap:26px;padding:32px;border-radius:30px;background:linear-gradient(135deg,#fff,#f4f9ff);border:1px solid #dbeafe;box-shadow:var(--shadow-lg)}
    .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .field{display:grid;gap:7px}
    .field.full{grid-column:1/-1}
    .field label{font-size:14px;font-weight:900;color:#334155}
    .field input,.field select,.field textarea{
      width:100%;border:1px solid #d7e0ed;background:#fff;border-radius:14px;padding:12px 14px;color:#172033;transition:.2s ease;
    }
    .field textarea{min-height:122px;resize:vertical}
    .field input:focus,.field select:focus,.field textarea:focus{border-color:var(--primary);box-shadow:0 0 0 4px rgba(37,99,235,.10);outline:none}
    .promise{padding:28px;border-radius:24px;background:#0f172a;color:#e5e7eb}
    .promise h3{font-size:24px;font-weight:900;color:#fff;margin-bottom:18px}
    .promise ul{display:grid;gap:13px}
    .promise li{display:flex;gap:10px;align-items:flex-start}
    .promise li::before{content:"✓";color:#67e8f9;font-weight:900}
    .footer{background:var(--footer);color:#cbd5e1;padding:58px 0 28px}
    .footer-grid{display:grid;grid-template-columns:1.4fr .8fr .8fr 1fr;gap:30px}
    .footer h3,.footer h4{color:#fff;font-weight:900;margin-bottom:14px}
    .footer a{display:block;color:#cbd5e1;margin:8px 0}
    .footer a:hover{color:#93c5fd;transform:translateX(2px)}
    .copyright{border-top:1px solid rgba(255,255,255,.10);margin-top:34px;padding-top:22px;color:#94a3b8;font-size:14px;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap}
    .mobile-menu-btn{display:none}
    @media (max-width:1024px){
      .site-container{width:min(100% - 40px,1200px)}
      .hero-grid,.compare-wrap,.cta-panel{grid-template-columns:1fr}
      .metric-strip{grid-template-columns:repeat(2,1fr)}
      .bento{grid-template-columns:repeat(2,1fr)}
      .service-main{grid-column:1/-1;grid-row:auto}
      .topic-grid,.dark-content{grid-template-columns:1fr 1fr}
      .footer-grid{grid-template-columns:1fr 1fr}
      .search-pill{width:220px}
    }
    @media (max-width:768px){
      .site-container{width:min(100% - 32px,1200px)}
      .section{padding:62px 0}.section-tight{padding:52px 0}
      .brand-row{align-items:flex-start;flex-direction:column;padding:12px 0}
      .top-actions{width:100%;display:grid;grid-template-columns:1fr auto}
      .search-pill{width:100%}
      .mini-link{display:none}
      .mobile-menu-btn{display:inline-flex}
      .channel-inner{align-items:flex-start;flex-direction:column;padding:10px 0}
      .trend{width:100%;overflow-x:auto;padding-bottom:2px}
      .hero{padding:54px 0 64px}
      .dash-grid,.metric-strip,.bento,.topic-grid,.dark-content,.faq-grid,.form-grid{grid-template-columns:1fr}
      .field.full{grid-column:auto}
      .footer-grid{grid-template-columns:1fr}
      .dark-band{padding:28px;border-radius:24px}
      .cta-panel{padding:22px;border-radius:24px}
    }
    @media (max-width:520px){
      .hero-actions .btn{width:100%}
      .top-actions{grid-template-columns:1fr}
      .btn-secondary.mobile-hide{display:none}
      .dash-head{align-items:flex-start;flex-direction:column;gap:10px}
      .copyright{display:block}
    }

/* roulang page: category1 */
:root{
      --primary:#2563EB;
      --primary-dark:#1D4ED8;
      --cyan:#06B6D4;
      --indigo:#6366F1;
      --green:#10B981;
      --amber:#F59E0B;
      --bg:#F6F9FC;
      --bg-soft:#F8FAFF;
      --text:#111827;
      --muted:#5B6472;
      --border:#E5EAF2;
      --white:#FFFFFF;
      --footer:#0F172A;
      --radius-sm:14px;
      --radius-md:18px;
      --radius-lg:24px;
      --shadow:0 12px 35px rgba(30,64,175,.08);
      --shadow-hover:0 18px 48px rgba(30,64,175,.14);
      --container:1200px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 8% 6%, rgba(37,99,235,.10), transparent 28%),
        radial-gradient(circle at 92% 12%, rgba(6,182,212,.10), transparent 24%),
        linear-gradient(180deg,#fff 0%,var(--bg) 46%,#fff 100%);
      line-height:1.75;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%;height:auto}
    button,input,select,textarea{font:inherit}
    button{cursor:pointer}
    ::selection{background:rgba(37,99,235,.18)}
    .site-container{
      width:min(var(--container),calc(100% - 48px));
      margin:0 auto;
    }
    .header{
      position:sticky;
      top:0;
      z-index:50;
      background:rgba(255,255,255,.86);
      backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(229,234,242,.88);
      box-shadow:0 8px 24px rgba(15,23,42,.04);
    }
    .brand-row{
      min-height:58px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:20px;
      padding:8px 0;
    }
    .logo{
      display:inline-flex;
      align-items:center;
      gap:12px;
      min-width:max-content;
      font-weight:800;
      color:#172033;
      letter-spacing:-.02em;
    }
    .logo-mark{
      width:38px;
      height:38px;
      border-radius:14px;
      background:
        linear-gradient(135deg,var(--primary),var(--cyan));
      position:relative;
      box-shadow:0 10px 22px rgba(37,99,235,.24);
    }
    .logo-mark:before,
    .logo-mark:after{
      content:"";
      position:absolute;
      background:#fff;
      border-radius:999px;
      opacity:.95;
    }
    .logo-mark:before{width:18px;height:4px;left:10px;top:12px;transform:rotate(-18deg)}
    .logo-mark:after{width:13px;height:13px;right:8px;bottom:8px;border:3px solid #fff;background:transparent}
    .logo-text{font-size:20px;line-height:1}
    .top-actions{
      display:flex;
      align-items:center;
      justify-content:flex-end;
      gap:10px;
      min-width:0;
    }
    .search-pill{
      height:38px;
      min-width:250px;
      display:flex;
      align-items:center;
      gap:8px;
      padding:0 14px;
      color:var(--muted);
      background:#F1F5FB;
      border:1px solid var(--border);
      border-radius:999px;
      font-size:14px;
      white-space:nowrap;
    }
    .mini-link{
      color:var(--muted);
      font-size:14px;
      font-weight:650;
      padding:8px 10px;
      border-radius:999px;
      transition:.2s ease;
      white-space:nowrap;
    }
    .mini-link:hover{color:var(--primary);background:#EFF6FF}
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      border:1px solid transparent;
      border-radius:999px;
      font-weight:750;
      line-height:1.2;
      transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,color .2s ease;
      outline:none;
    }
    .btn-primary{
      color:#fff;
      background:var(--primary);
      box-shadow:0 10px 22px rgba(37,99,235,.22);
    }
    .btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:0 14px 28px rgba(37,99,235,.28)}
    .btn-secondary{
      color:var(--primary);
      background:#fff;
      border-color:#BFDBFE;
      box-shadow:0 8px 20px rgba(30,64,175,.06);
    }
    .btn-secondary:hover{background:#EFF6FF;transform:translateY(-2px);border-color:#93C5FD}
    .btn:focus-visible,.nav-link:focus-visible,.mini-link:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,a:focus-visible,button:focus-visible{
      outline:3px solid rgba(37,99,235,.25);
      outline-offset:3px;
    }
    .channel-row{
      border-top:1px solid rgba(229,234,242,.72);
      background:rgba(248,250,255,.78);
    }
    .channel-inner{
      min-height:46px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      overflow:hidden;
    }
    .nav-links{
      display:flex;
      align-items:center;
      gap:8px;
      overflow-x:auto;
      scrollbar-width:none;
      -webkit-overflow-scrolling:touch;
      padding:6px 0;
    }
    .nav-links::-webkit-scrollbar{display:none}
    .nav-link{
      display:inline-flex;
      align-items:center;
      min-height:32px;
      padding:6px 14px;
      border-radius:999px;
      color:#334155;
      font-size:14px;
      font-weight:750;
      white-space:nowrap;
      transition:.2s ease;
    }
    .nav-link:hover{color:var(--primary);background:#EFF6FF}
    .nav-link.active{
      color:var(--primary-dark);
      background:#DBEAFE;
    }
    .trend{
      display:flex;
      align-items:center;
      gap:8px;
      color:var(--muted);
      font-size:13px;
      white-space:nowrap;
    }
    .tag,.badge{
      display:inline-flex;
      align-items:center;
      border-radius:999px;
      border:1px solid var(--border);
      background:#fff;
      color:#475569;
      font-size:12px;
      font-weight:700;
      line-height:1;
      padding:7px 10px;
      white-space:nowrap;
    }
    .tag{background:#F8FAFC}
    .badge-blue{color:var(--primary-dark);background:#EFF6FF;border-color:#BFDBFE}
    .badge-cyan{color:#0E7490;background:#ECFEFF;border-color:#A5F3FC}
    .badge-indigo{color:#4338CA;background:#EEF2FF;border-color:#C7D2FE}
    .badge-hot{color:#92400E;background:#FFFBEB;border-color:#FDE68A}
    .section{padding:88px 0}
    .section-tight{padding:64px 0}
    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:24px;
      margin-bottom:28px;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--primary);
      background:#EFF6FF;
      border:1px solid #BFDBFE;
      border-radius:999px;
      padding:7px 12px;
      font-size:13px;
      font-weight:800;
      margin-bottom:14px;
    }
    .title-xl{
      font-size:clamp(32px,5vw,52px);
      line-height:1.14;
      letter-spacing:-.04em;
      font-weight:850;
      color:#0F172A;
    }
    .title-lg{
      font-size:clamp(28px,3.4vw,40px);
      line-height:1.22;
      letter-spacing:-.03em;
      font-weight:820;
      color:#0F172A;
    }
    .lead{font-size:17px;color:var(--muted);line-height:1.85}
    .hero-topic{
      position:relative;
      isolation:isolate;
      padding:58px 0 52px;
      overflow:hidden;
      background:
        linear-gradient(90deg,rgba(255,255,255,.96),rgba(255,255,255,.78)),
        url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
      border-bottom:1px solid var(--border);
    }
    .hero-topic:before{
      content:"";
      position:absolute;
      inset:0;
      z-index:-1;
      background-image:
        linear-gradient(rgba(37,99,235,.055) 1px,transparent 1px),
        linear-gradient(90deg,rgba(37,99,235,.055) 1px,transparent 1px);
      background-size:36px 36px;
      mask-image:linear-gradient(90deg,#000,transparent 86%);
    }
    .hero-layout{
      display:grid;
      grid-template-columns:minmax(0,1.25fr) minmax(320px,.75fr);
      gap:34px;
      align-items:center;
    }
    .crumbs{
      display:flex;
      align-items:center;
      gap:8px;
      color:var(--muted);
      font-size:13px;
      margin-bottom:18px;
      flex-wrap:wrap;
    }
    .crumbs a{font-weight:700;color:#475569}
    .crumbs a:hover{color:var(--primary)}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
    .summary-card{
      background:rgba(255,255,255,.92);
      border:1px solid rgba(191,219,254,.86);
      border-radius:28px;
      padding:24px;
      box-shadow:var(--shadow);
      position:relative;
      overflow:hidden;
    }
    .summary-card:before{
      content:"";
      position:absolute;
      width:160px;
      height:160px;
      right:-60px;
      top:-60px;
      border-radius:50%;
      background:rgba(6,182,212,.12);
    }
    .summary-head{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      padding-bottom:16px;
      border-bottom:1px solid var(--border);
      position:relative;
    }
    .status-dot{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:#0F766E;
      background:#ECFDF5;
      border:1px solid #A7F3D0;
      border-radius:999px;
      font-size:12px;
      font-weight:800;
      padding:7px 10px;
    }
    .status-dot:before{
      content:"";
      width:8px;
      height:8px;
      background:var(--green);
      border-radius:50%;
      box-shadow:0 0 0 4px rgba(16,185,129,.12);
    }
    .summary-stats{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:12px;
      margin-top:18px;
      position:relative;
    }
    .summary-stat{
      border:1px solid var(--border);
      border-radius:18px;
      background:#fff;
      padding:16px 14px;
    }
    .summary-stat strong{
      display:block;
      color:var(--primary-dark);
      font-size:28px;
      line-height:1;
      letter-spacing:-.03em;
    }
    .summary-stat span{display:block;margin-top:8px;color:var(--muted);font-size:13px;line-height:1.5}
    .tag-cloud{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      margin-top:18px;
      position:relative;
    }
    .filter-wrap{
      margin-top:-28px;
      position:relative;
      z-index:5;
    }
    .filter-bar{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      border:1px solid var(--border);
      background:rgba(255,255,255,.96);
      box-shadow:var(--shadow);
      border-radius:22px;
      padding:14px;
    }
    .filter-buttons{
      display:flex;
      gap:10px;
      overflow-x:auto;
      scrollbar-width:none;
      -webkit-overflow-scrolling:touch;
      padding-bottom:1px;
    }
    .filter-buttons::-webkit-scrollbar{display:none}
    .filter-btn{
      border:1px solid var(--border);
      background:#F8FAFC;
      color:#475569;
      font-size:14px;
      font-weight:750;
      white-space:nowrap;
      border-radius:999px;
      padding:10px 14px;
      transition:.2s ease;
    }
    .filter-btn:hover{border-color:#BFDBFE;background:#EFF6FF;color:var(--primary)}
    .filter-btn.active{background:var(--primary);border-color:var(--primary);color:#fff;box-shadow:0 10px 18px rgba(37,99,235,.18)}
    .filter-note{color:var(--muted);font-size:13px;white-space:nowrap}
    .content-grid{
      display:grid;
      grid-template-columns:minmax(0,8fr) minmax(280px,4fr);
      gap:28px;
      align-items:start;
    }
    .article-list{
      display:grid;
      gap:18px;
    }
    .article-card{
      display:grid;
      grid-template-columns:240px minmax(0,1fr);
      gap:22px;
      align-items:stretch;
      background:#fff;
      border:1px solid var(--border);
      border-radius:24px;
      padding:14px;
      box-shadow:0 10px 28px rgba(30,64,175,.055);
      transition:.22s ease;
    }
    .article-card:hover{
      transform:translateY(-3px);
      border-color:#BFDBFE;
      box-shadow:var(--shadow-hover);
    }
    .article-img{
      position:relative;
      min-height:170px;
      border-radius:18px;
      overflow:hidden;
      background:#EAF2FF;
    }
    .article-img img{width:100%;height:100%;object-fit:cover}
    .article-img:after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg,transparent 42%,rgba(15,23,42,.24));
    }
    .article-body{padding:8px 8px 8px 0;display:flex;flex-direction:column;justify-content:center;min-width:0}
    .article-meta{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-bottom:10px}
    .article-title{
      font-size:22px;
      line-height:1.35;
      font-weight:820;
      color:#0F172A;
      letter-spacing:-.02em;
      margin:0 0 10px;
      transition:.2s ease;
    }
    .article-card:hover .article-title{color:var(--primary)}
    .article-desc{color:var(--muted);font-size:15px;line-height:1.78;margin:0 0 16px}
    .read-row{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      color:#64748B;
      font-size:13px;
      margin-top:auto;
    }
    .read-link{
      color:var(--primary);
      font-weight:800;
      display:inline-flex;
      align-items:center;
      gap:6px;
      transition:.2s ease;
    }
    .read-link:hover{gap:10px;text-decoration:underline;text-underline-offset:4px}
    .sidebar{
      display:grid;
      gap:18px;
      position:sticky;
      top:126px;
    }
    .side-card,.topic-card,.faq-card,.cta-panel{
      background:#fff;
      border:1px solid var(--border);
      border-radius:24px;
      box-shadow:var(--shadow);
    }
    .side-card{padding:22px}
    .side-card h3{
      margin:0 0 16px;
      font-size:20px;
      line-height:1.3;
      font-weight:820;
      color:#0F172A;
    }
    .recommend-list{display:grid;gap:12px}
    .recommend-item{
      padding:14px;
      border-radius:18px;
      background:#F8FAFF;
      border:1px solid var(--border);
      transition:.2s ease;
    }
    .recommend-item:hover{background:#EFF6FF;border-color:#BFDBFE;transform:translateY(-2px)}
    .recommend-item strong{display:block;color:#172033;line-height:1.45;margin-bottom:4px}
    .recommend-item span{display:block;color:var(--muted);font-size:13px;line-height:1.6}
    .keyword-list{display:flex;flex-wrap:wrap;gap:8px}
    .mini-cta{
      color:#fff;
      background:
        radial-gradient(circle at 20% 10%,rgba(6,182,212,.35),transparent 32%),
        linear-gradient(135deg,#1D4ED8,#2563EB 52%,#06B6D4);
      border-color:rgba(255,255,255,.18);
      overflow:hidden;
      position:relative;
    }
    .mini-cta p{color:rgba(255,255,255,.86)}
    .mini-cta .btn{background:#fff;color:var(--primary-dark);box-shadow:none}
    .topic-grid{
      display:grid;
      grid-template-columns:repeat(4,minmax(0,1fr));
      gap:18px;
    }
    .topic-card{
      overflow:hidden;
      transition:.22s ease;
    }
    .topic-card:hover{transform:translateY(-4px);border-color:#BFDBFE;box-shadow:var(--shadow-hover)}
    .topic-card img{
      width:100%;
      aspect-ratio:16/10;
      object-fit:cover;
    }
    .topic-card-body{padding:20px}
    .topic-card h3{
      font-size:19px;
      line-height:1.35;
      font-weight:820;
      margin:10px 0 8px;
      color:#0F172A;
    }
    .topic-card p{font-size:14px;color:var(--muted);line-height:1.72;margin:0}
    .dark-strip{
      position:relative;
      overflow:hidden;
      color:#fff;
      background:
        radial-gradient(circle at 18% 18%,rgba(6,182,212,.24),transparent 28%),
        radial-gradient(circle at 85% 30%,rgba(99,102,241,.22),transparent 24%),
        #0F172A;
      border-radius:32px;
      padding:38px;
      box-shadow:0 22px 55px rgba(15,23,42,.20);
    }
    .dark-strip:before{
      content:"";
      position:absolute;
      inset:0;
      background-image:linear-gradient(rgba(255,255,255,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.055) 1px,transparent 1px);
      background-size:34px 34px;
      opacity:.45;
    }
    .dark-strip > *{position:relative}
    .flow-row{
      display:grid;
      grid-template-columns:repeat(4,minmax(0,1fr));
      gap:14px;
      margin-top:26px;
    }
    .flow-item{
      border:1px solid rgba(255,255,255,.13);
      background:rgba(255,255,255,.07);
      border-radius:18px;
      padding:18px;
    }
    .flow-item b{display:block;font-size:22px;color:#67E8F9;margin-bottom:8px}
    .flow-item strong{display:block;margin-bottom:6px}
    .flow-item span{display:block;color:rgba(255,255,255,.72);font-size:14px;line-height:1.65}
    .faq-grid{
      display:grid;
      grid-template-columns:repeat(2,minmax(0,1fr));
      gap:18px;
    }
    .faq-card{
      padding:22px;
      transition:.2s ease;
    }
    .faq-card:hover{border-color:#BFDBFE;box-shadow:var(--shadow-hover)}
    .faq-q{
      display:flex;
      align-items:flex-start;
      gap:12px;
      color:#0F172A;
      font-size:18px;
      font-weight:820;
      line-height:1.45;
      margin:0 0 10px;
    }
    .faq-q span{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      width:28px;
      height:28px;
      flex:0 0 auto;
      border-radius:10px;
      background:#EFF6FF;
      color:var(--primary);
      font-size:14px;
    }
    .faq-card p{margin:0;color:var(--muted);font-size:15px;line-height:1.8}
    .cta-panel{
      padding:34px;
      display:grid;
      grid-template-columns:minmax(0,1fr) 360px;
      gap:30px;
      align-items:center;
      background:
        linear-gradient(135deg,rgba(239,246,255,.95),rgba(255,255,255,.96)),
        url("/assets/images/backpic/back-3.webp") center/cover no-repeat;
      overflow:hidden;
    }
    .cta-points{
      display:grid;
      grid-template-columns:repeat(2,minmax(0,1fr));
      gap:12px;
      margin-top:20px;
    }
    .cta-point{
      display:flex;
      align-items:center;
      gap:9px;
      color:#334155;
      font-weight:700;
      background:#fff;
      border:1px solid var(--border);
      border-radius:14px;
      padding:10px 12px;
    }
    .cta-point:before{
      content:"";
      width:9px;
      height:9px;
      border-radius:50%;
      background:var(--green);
      box-shadow:0 0 0 4px rgba(16,185,129,.12);
    }
    .contact-box{
      background:#fff;
      border:1px solid var(--border);
      border-radius:22px;
      padding:20px;
      box-shadow:0 12px 32px rgba(30,64,175,.08);
    }
    .form-grid{display:grid;gap:12px}
    .field{
      width:100%;
      border:1px solid var(--border);
      background:#F8FAFC;
      color:#172033;
      border-radius:14px;
      padding:12px 13px;
      outline:none;
      transition:.2s ease;
    }
    .field:focus{
      border-color:var(--primary);
      background:#fff;
      box-shadow:0 0 0 4px rgba(37,99,235,.10);
    }
    textarea.field{min-height:96px;resize:vertical}
    .footer{
      color:#CBD5E1;
      background:
        radial-gradient(circle at 15% 0%,rgba(37,99,235,.22),transparent 28%),
        var(--footer);
      padding:62px 0 28px;
      margin-top:72px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.45fr .8fr .8fr 1fr;
      gap:32px;
    }
    .footer h3,.footer h4{color:#fff;font-weight:820;margin:0 0 14px}
    .footer p{color:#CBD5E1;margin:0;line-height:1.8}
    .footer a{
      display:block;
      color:#CBD5E1;
      margin:8px 0;
      transition:.2s ease;
    }
    .footer a:hover{color:#fff;transform:translateX(3px)}
    .copyright{
      margin-top:34px;
      padding-top:20px;
      border-top:1px solid rgba(255,255,255,.12);
      display:flex;
      justify-content:space-between;
      gap:16px;
      flex-wrap:wrap;
      color:#94A3B8;
      font-size:14px;
    }
    @media (max-width:1024px){
      .site-container{width:min(var(--container),calc(100% - 40px))}
      .top-actions .mini-link{display:none}
      .search-pill{min-width:210px}
      .hero-layout,.content-grid,.cta-panel{grid-template-columns:1fr}
      .sidebar{position:static;grid-template-columns:repeat(3,minmax(0,1fr))}
      .side-card{border-radius:20px}
      .topic-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
      .flow-row{grid-template-columns:repeat(2,minmax(0,1fr))}
      .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
    }
    @media (max-width:768px){
      .site-container{width:min(var(--container),calc(100% - 32px))}
      .brand-row{align-items:flex-start;flex-direction:column;gap:10px}
      .top-actions{width:100%;justify-content:space-between}
      .search-pill{min-width:0;flex:1}
      .top-actions .btn{padding:10px 13px;font-size:13px}
      .channel-inner{align-items:flex-start;flex-direction:column;gap:6px;padding:8px 0}
      .trend{max-width:100%;overflow-x:auto;padding-bottom:4px}
      .hero-topic{padding:42px 0 50px}
      .summary-stats{grid-template-columns:1fr}
      .filter-bar{align-items:flex-start;flex-direction:column}
      .filter-note{white-space:normal}
      .article-card{grid-template-columns:1fr}
      .article-img{min-height:auto;aspect-ratio:16/10}
      .article-body{padding:4px}
      .sidebar{grid-template-columns:1fr}
      .section{padding:62px 0}
      .section-tight{padding:48px 0}
      .section-head{align-items:flex-start;flex-direction:column;margin-bottom:22px}
      .faq-grid,.cta-points{grid-template-columns:1fr}
      .dark-strip{padding:26px;border-radius:24px}
      .flow-row{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr}
      .copyright{flex-direction:column}
    }
    @media (max-width:520px){
      .logo-text{font-size:18px}
      .search-pill span:last-child{max-width:155px;overflow:hidden;text-overflow:ellipsis}
      .hero-actions .btn{width:100%;padding:13px 18px}
      .topic-grid{grid-template-columns:1fr}
      .cta-panel{padding:22px;border-radius:22px}
      .title-xl{font-size:32px}
      .article-title{font-size:20px}
    }