/* roulang page: index */
:root{
      --brand-blue:#2563EB;
      --brand-blue-dark:#1D4ED8;
      --brand-cyan:#0EA5A4;
      --brand-sky:#38BDF8;
      --brand-indigo:#6366F1;
      --ink:#0F172A;
      --text:#475569;
      --muted:#64748B;
      --soft:#F8FAFC;
      --line:#E2E8F0;
      --white:#FFFFFF;
      --radius:28px;
      --shadow-card:0 18px 45px rgba(15,23,42,.08);
      --shadow-soft:0 8px 20px rgba(37,99,235,.08);
      --shadow-blue:0 12px 28px rgba(37,99,235,.18);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 7% 5%, rgba(56,189,248,.16), transparent 28%),
        radial-gradient(circle at 92% 12%, rgba(99,102,241,.12), transparent 30%),
        linear-gradient(180deg,#fff 0%,#F8FAFC 42%,#fff 100%);
      line-height:1.75;
      -webkit-font-smoothing:antialiased;
      text-rendering:optimizeLegibility;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer}
    ::selection{background:rgba(37,99,235,.16);color:var(--ink)}
    .site-container{width:min(1240px,calc(100% - 40px));margin:0 auto}
    .section-space{padding:96px 0}
    .section-space-sm{padding:72px 0}
    .grid-texture{
      position:relative;
      overflow:hidden;
    }
    .grid-texture::before{
      content:"";
      position:absolute;
      inset:0;
      background-image:
        linear-gradient(rgba(37,99,235,.045) 1px, transparent 1px),
        linear-gradient(90deg, rgba(37,99,235,.045) 1px, transparent 1px);
      background-size:28px 28px;
      mask-image:linear-gradient(180deg,rgba(0,0,0,.8),transparent 76%);
      pointer-events:none;
    }
    .nav-shell{
      position:sticky;
      top:0;
      z-index:50;
      background:rgba(255,255,255,.92);
      backdrop-filter:blur(10px);
      border-bottom:1px solid rgba(226,232,240,.88);
    }
    .nav-inner{
      height:76px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:24px;
    }
    .brand-lockup{display:flex;align-items:center;gap:12px;min-width:max-content}
    .brand-mark{
      width:42px;height:42px;border-radius:15px;
      background:linear-gradient(135deg,var(--brand-blue),var(--brand-cyan));
      box-shadow:0 12px 28px rgba(37,99,235,.22);
      display:grid;place-items:center;color:#fff;font-weight:800;
      letter-spacing:.02em;
      position:relative;
    }
    .brand-mark::after{
      content:"";
      width:16px;height:16px;border:2px solid rgba(255,255,255,.85);
      border-left-color:transparent;border-bottom-color:transparent;
      border-radius:6px;
      transform:rotate(45deg);
      position:absolute;
    }
    .brand-title{font-weight:800;color:var(--ink);font-size:17px;line-height:1.2}
    .brand-sub{font-size:12px;color:var(--muted);margin-top:2px}
    .nav-links{display:flex;align-items:center;gap:8px;margin-left:auto}
    .nav-link{
      padding:10px 14px;border-radius:999px;
      font-size:14px;font-weight:600;color:#334155;
      transition:all .22s ease;
      position:relative;
    }
    .nav-link:hover,.nav-link.active{
      color:var(--brand-blue);
      background:rgba(37,99,235,.08);
    }
    .nav-cta{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      padding:11px 18px;border-radius:999px;
      background:var(--brand-blue);color:#fff;font-size:14px;font-weight:800;
      box-shadow:var(--shadow-blue);
      transition:transform .22s ease,background .22s ease,box-shadow .22s ease;
      white-space:nowrap;
    }
    .nav-cta:hover{background:var(--brand-blue-dark);transform:translateY(-2px);box-shadow:0 16px 34px rgba(37,99,235,.24)}
    .mobile-toggle{
      display:none;width:44px;height:44px;border:1px solid var(--line);
      border-radius:14px;background:#fff;color:var(--ink);
      align-items:center;justify-content:center;
    }
    .mobile-toggle span,.mobile-toggle span::before,.mobile-toggle span::after{
      display:block;width:18px;height:2px;background:var(--ink);border-radius:99px;position:relative;transition:.2s;
    }
    .mobile-toggle span::before,.mobile-toggle span::after{content:"";position:absolute;left:0}
    .mobile-toggle span::before{top:-6px}
    .mobile-toggle span::after{top:6px}
    .btn-primary,.btn-secondary{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      min-height:48px;padding:13px 22px;border-radius:999px;
      font-weight:800;font-size:15px;transition:all .22s ease;
      border:1px solid transparent;
    }
    .btn-primary{background:var(--brand-blue);color:#fff;box-shadow:var(--shadow-blue)}
    .btn-primary:hover{background:var(--brand-blue-dark);transform:translateY(-2px);box-shadow:0 18px 40px rgba(37,99,235,.26)}
    .btn-secondary{background:#fff;color:var(--ink);border-color:var(--line);box-shadow:var(--shadow-soft)}
    .btn-secondary:hover{border-color:rgba(37,99,235,.45);color:var(--brand-blue);background:#F8FBFF;transform:translateY(-2px)}
    .btn-primary:focus,.btn-secondary:focus,.form-control:focus{
      outline:none;box-shadow:0 0 0 4px rgba(37,99,235,.14),var(--shadow-soft);
      border-color:rgba(37,99,235,.65);
    }
    .badge{
      display:inline-flex;align-items:center;gap:7px;
      padding:7px 12px;border-radius:999px;
      font-size:13px;font-weight:800;
      background:rgba(37,99,235,.09);color:var(--brand-blue);
      border:1px solid rgba(37,99,235,.16);
    }
    .badge-cyan{background:rgba(14,165,164,.09);color:#087F7D;border-color:rgba(14,165,164,.18)}
    .card{
      background:#fff;border:1px solid rgba(226,232,240,.92);
      border-radius:var(--radius);box-shadow:var(--shadow-card);
      transition:transform .24s ease,border-color .24s ease,box-shadow .24s ease;
    }
    .card:hover{transform:translateY(-4px);border-color:rgba(37,99,235,.28);box-shadow:0 24px 56px rgba(15,23,42,.11)}
    .hero{
      padding:82px 0 54px;
      position:relative;
      overflow:hidden;
    }
    .hero-title{
      color:var(--ink);
      font-size:clamp(38px,5vw,64px);
      line-height:1.08;
      letter-spacing:-.035em;
      font-weight:850;
    }
    .hero-desc{font-size:18px;line-height:1.85;color:#526174;max-width:660px}
    .trust-item{
      display:flex;align-items:center;gap:9px;color:#334155;font-weight:700;font-size:14px;
    }
    .trust-dot{
      width:20px;height:20px;border-radius:999px;background:rgba(14,165,164,.12);
      display:grid;place-items:center;color:var(--brand-cyan);font-size:13px;flex:0 0 auto;
    }
    .magazine-card{
      position:relative;
      padding:18px;
      border-radius:34px;
      background:linear-gradient(180deg,#fff,rgba(248,250,252,.96));
      border:1px solid rgba(226,232,240,.92);
      box-shadow:0 24px 70px rgba(15,23,42,.12);
    }
    .hero-image{
      height:430px;border-radius:28px;overflow:hidden;position:relative;background:#EAF3FF;
    }
    .hero-image img{width:100%;height:100%;object-fit:cover}
    .hero-image::after{
      content:"";position:absolute;inset:0;
      background:linear-gradient(180deg,rgba(15,23,42,.06),rgba(15,23,42,.34));
    }
    .floating-note{
      position:absolute;left:-22px;bottom:32px;max-width:245px;
      background:rgba(255,255,255,.96);
      border:1px solid rgba(226,232,240,.9);
      border-radius:22px;padding:16px;
      box-shadow:0 18px 45px rgba(15,23,42,.14);
    }
    .metric-panel{
      position:absolute;right:18px;top:18px;width:188px;
      background:#fff;border:1px solid rgba(226,232,240,.94);
      border-radius:22px;padding:15px;
      box-shadow:0 16px 38px rgba(15,23,42,.12);
    }
    .metric-line{height:8px;border-radius:99px;background:#E2E8F0;overflow:hidden}
    .metric-line span{display:block;height:100%;border-radius:99px;background:linear-gradient(90deg,var(--brand-blue),var(--brand-cyan))}
    .section-kicker{font-size:14px;font-weight:850;color:var(--brand-blue);letter-spacing:.02em}
    .section-title{font-size:clamp(30px,3.6vw,44px);line-height:1.22;color:var(--ink);font-weight:850;letter-spacing:-.025em}
    .section-desc{font-size:17px;color:var(--muted);line-height:1.85;max-width:760px}
    .feature-grid{
      display:grid;
      grid-template-columns:1.2fr .8fr .8fr;
      gap:20px;
    }
    .feature-large{grid-row:span 2;padding:34px;min-height:360px;position:relative;overflow:hidden}
    .feature-large::after{
      content:"";position:absolute;right:-55px;bottom:-65px;width:210px;height:210px;
      border-radius:50%;background:rgba(56,189,248,.13);
    }
    .feature-small{padding:24px;min-height:170px}
    .icon-box{
      width:46px;height:46px;border-radius:16px;
      display:grid;place-items:center;
      background:linear-gradient(135deg,rgba(37,99,235,.12),rgba(14,165,164,.12));
      color:var(--brand-blue);font-weight:900;font-size:20px;
    }
    .tag-row{display:flex;flex-wrap:wrap;gap:8px}
    .mini-tag{
      display:inline-flex;padding:5px 9px;border-radius:999px;
      background:#F1F5F9;color:#475569;font-size:12px;font-weight:700;
    }
    .masonry{
      columns:3 280px;
      column-gap:22px;
    }
    .case-card{
      display:inline-block;width:100%;margin:0 0 22px;
      overflow:hidden;
    }
    .case-image{
      height:190px;overflow:hidden;border-radius:22px;background:linear-gradient(135deg,#E0F2FE,#EEF2FF);
    }
    .case-card.tall .case-image{height:260px}
    .case-card.short .case-image{height:150px}
    .case-image img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
    .case-card:hover img{transform:scale(1.04)}
    .plan-card{padding:30px;position:relative}
    .plan-card.recommend{
      border-color:rgba(37,99,235,.42);
      transform:translateY(-10px);
      box-shadow:0 28px 70px rgba(37,99,235,.14);
    }
    .plan-card.recommend:hover{transform:translateY(-14px)}
    .check-list{display:grid;gap:12px;margin:22px 0}
    .check-list li{display:flex;gap:10px;align-items:flex-start;color:#475569}
    .check-list li::before{
      content:"✓";width:22px;height:22px;border-radius:999px;display:grid;place-items:center;
      background:rgba(14,165,164,.12);color:var(--brand-cyan);font-size:13px;font-weight:900;flex:0 0 auto;margin-top:2px;
    }
    .faq-item{
      background:#fff;border:1px solid rgba(226,232,240,.94);
      border-radius:22px;margin-bottom:14px;overflow:hidden;
      transition:border-color .2s ease,box-shadow .2s ease;
    }
    .faq-item:hover{border-color:rgba(37,99,235,.34);box-shadow:var(--shadow-soft)}
    .faq-question{
      width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
      padding:20px 22px;background:#fff;color:var(--ink);font-weight:850;text-align:left;
      border:0;
    }
    .faq-answer{display:none;padding:0 22px 22px;color:#526174;line-height:1.8}
    .faq-item.open .faq-answer{display:block}
    .faq-icon{
      width:30px;height:30px;border-radius:999px;background:#F1F5F9;
      display:grid;place-items:center;color:var(--brand-blue);flex:0 0 auto;
      transition:transform .2s ease;
    }
    .faq-item.open .faq-icon{transform:rotate(45deg)}
    .cta-card{
      border-radius:34px;
      background:
        linear-gradient(135deg,rgba(37,99,235,.10),rgba(14,165,164,.08)),
        #fff;
      border:1px solid rgba(37,99,235,.16);
      box-shadow:0 28px 70px rgba(15,23,42,.10);
      overflow:hidden;position:relative;
    }
    .cta-card::before{
      content:"";position:absolute;inset:auto -80px -140px auto;width:320px;height:320px;
      background:rgba(56,189,248,.18);border-radius:50%;
    }
    .form-shell{
      background:#fff;border:1px solid rgba(226,232,240,.95);border-radius:28px;padding:24px;
      box-shadow:var(--shadow-card);position:relative;z-index:1;
    }
    .form-control{
      width:100%;border:1px solid var(--line);background:#F8FAFC;border-radius:16px;
      padding:12px 14px;color:var(--ink);transition:all .2s ease;
    }
    .form-control::placeholder{color:#94A3B8}
    .footer{
      background:#0F172A;color:#CBD5E1;padding:64px 0 28px;
    }
    .footer a{transition:color .2s ease}
    .footer a:hover{color:#7DD3FC}
    .footer-logo .brand-mark{box-shadow:none}
    .footer-bottom{border-top:1px solid rgba(148,163,184,.18);margin-top:42px;padding-top:22px;color:#94A3B8;font-size:14px}
    @media (max-width:1024px){
      .nav-links{display:none}
      .mobile-toggle{display:flex}
      .nav-links.mobile-open{
        display:flex;position:absolute;left:20px;right:20px;top:84px;flex-direction:column;align-items:stretch;
        padding:16px;background:#fff;border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow-card);
      }
      .nav-links.mobile-open .nav-link{padding:13px 14px}
      .nav-cta.desktop-cta{display:none}
      .feature-grid{grid-template-columns:1fr 1fr}
      .feature-large{grid-column:span 2}
      .plan-card.recommend{transform:none}
      .floating-note{left:18px}
    }
    @media (max-width:768px){
      .site-container{width:min(100% - 32px,1240px)}
      .section-space{padding:68px 0}
      .section-space-sm{padding:56px 0}
      .nav-inner{height:68px}
      .brand-title{font-size:15px}
      .brand-sub{display:none}
      .hero{padding:54px 0 34px}
      .hero-desc{font-size:16px}
      .hero-image{height:340px}
      .metric-panel{position:relative;right:auto;top:auto;width:auto;margin-top:14px}
      .floating-note{position:relative;left:auto;bottom:auto;margin-top:-36px;margin-left:16px;max-width:calc(100% - 32px)}
      .feature-grid{grid-template-columns:1fr}
      .feature-large{grid-column:auto;grid-row:auto;min-height:auto}
      .masonry{columns:1}
    }
    @media (max-width:520px){
      .btn-primary,.btn-secondary{width:100%;padding-left:16px;padding-right:16px}
      .hero-title{font-size:36px}
      .section-title{font-size:29px}
      .feature-large,.feature-small,.plan-card{padding:22px}
      .cta-card{border-radius:26px}
      .form-shell{padding:18px;border-radius:22px}
    }

/* roulang page: category1 */
:root{
      --brand-blue:#2563EB;
      --brand-deep:#1D4ED8;
      --brand-cyan:#0EA5A4;
      --brand-sky:#38BDF8;
      --brand-indigo:#6366F1;
      --ink:#0F172A;
      --text:#475569;
      --muted:#64748B;
      --line:#E2E8F0;
      --soft:#F8FAFC;
      --card:#FFFFFF;
      --amber:#F59E0B;
      --radius-xl:22px;
      --radius-2xl:28px;
      --shadow-soft:0 18px 45px rgba(15,23,42,.08);
      --shadow-blue:0 8px 24px rgba(37,99,235,.14);
      --font:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:var(--font);
      color:var(--text);
      line-height:1.75;
      background:
        radial-gradient(circle at 8% 0%, rgba(56,189,248,.18), transparent 32%),
        radial-gradient(circle at 88% 12%, rgba(99,102,241,.12), transparent 30%),
        linear-gradient(180deg,#FFFFFF 0%,#F8FAFC 42%,#F5F7FB 100%);
      overflow-x:hidden;
    }
    body:before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      opacity:.36;
      background-image:
        linear-gradient(rgba(37,99,235,.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(37,99,235,.05) 1px, transparent 1px);
      background-size:34px 34px;
      mask-image:linear-gradient(to bottom, black, transparent 68%);
      z-index:-1;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,select,textarea{font:inherit}
    button{border:0;background:none;cursor:pointer}
    .site-container{width:min(100% - 40px,1240px);margin-inline:auto}
    .section{padding:92px 0}
    .section-tight{padding:64px 0}
    .eyebrow{
      display:inline-flex;align-items:center;gap:8px;
      padding:8px 13px;border-radius:999px;
      color:var(--brand-deep);background:#EFF6FF;border:1px solid #DBEAFE;
      font-size:14px;font-weight:800;
    }
    .eyebrow:before{content:"";width:8px;height:8px;border-radius:99px;background:var(--brand-cyan);box-shadow:0 0 0 5px rgba(14,165,164,.12)}
    .badge{
      display:inline-flex;align-items:center;gap:6px;
      padding:6px 10px;border-radius:999px;
      background:#F0FDFA;color:#0F766E;border:1px solid #CCFBF1;
      font-size:12px;font-weight:800;white-space:nowrap;
    }
    .badge.blue{background:#EFF6FF;color:#1D4ED8;border-color:#DBEAFE}
    .badge.amber{background:#FFFBEB;color:#B45309;border-color:#FDE68A}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:9px;
      min-height:46px;padding:12px 22px;border-radius:999px;
      font-weight:800;font-size:15px;transition:.22s ease;
      border:1px solid transparent;white-space:nowrap;
    }
    .btn-primary{background:var(--brand-blue);color:white;box-shadow:var(--shadow-blue)}
    .btn-primary:hover{background:var(--brand-deep);transform:translateY(-2px);box-shadow:0 14px 32px rgba(37,99,235,.2)}
    .btn-secondary{background:white;color:var(--ink);border-color:var(--line);box-shadow:0 8px 18px rgba(15,23,42,.04)}
    .btn-secondary:hover{color:var(--brand-deep);border-color:#BFDBFE;background:#F8FBFF;transform:translateY(-2px)}
    .btn:focus-visible,.nav-link:focus-visible,.nav-cta:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{
      outline:none;box-shadow:0 0 0 4px rgba(37,99,235,.16)
    }
    .card{
      background:rgba(255,255,255,.92);
      border:1px solid rgba(226,232,240,.92);
      border-radius:var(--radius-2xl);
      box-shadow:0 10px 30px rgba(15,23,42,.04);
      transition:transform .22s ease, box-shadow .22s ease, border-color .22s ease;
    }
    .card:hover{transform:translateY(-4px);box-shadow:var(--shadow-soft);border-color:#BFDBFE}
    .top-line{position:relative;overflow:hidden}
    .top-line:before{
      content:"";position:absolute;left:0;right:0;top:0;height:4px;
      background:linear-gradient(90deg,var(--brand-blue),var(--brand-cyan));
    }
    .nav-shell{
      position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);
      border-bottom:1px solid rgba(226,232,240,.9);
      backdrop-filter:blur(10px);
    }
    .nav-inner{height:76px;display:flex;align-items:center;justify-content:space-between;gap:20px}
    .brand-lockup{display:flex;align-items:center;gap:12px;min-width:max-content}
    .brand-mark{
      width:44px;height:44px;border-radius:16px;
      display:grid;place-items:center;
      background:linear-gradient(135deg,var(--brand-blue),var(--brand-cyan));
      color:white;font-weight:900;font-size:20px;
      box-shadow:0 12px 26px rgba(37,99,235,.22);
    }
    .brand-title{font-size:17px;font-weight:900;color:var(--ink);line-height:1.1}
    .brand-sub{font-size:12px;color:var(--muted);line-height:1.3;margin-top:3px}
    .nav-links{display:flex;align-items:center;gap:6px;margin-left:auto}
    .nav-link{
      padding:10px 13px;border-radius:999px;
      font-size:14px;font-weight:700;color:#334155;
      transition:.2s ease;position:relative;
    }
    .nav-link:hover{background:#EFF6FF;color:var(--brand-deep)}
    .nav-link.active{background:#EAF2FF;color:var(--brand-deep)}
    .nav-cta{
      display:inline-flex;align-items:center;justify-content:center;
      padding:11px 18px;border-radius:999px;
      background:var(--brand-blue);color:white;font-size:14px;font-weight:900;
      box-shadow:var(--shadow-blue);transition:.2s ease;
    }
    .nav-cta:hover{background:var(--brand-deep);transform:translateY(-1px)}
    .mobile-toggle{display:none;width:44px;height:44px;border-radius:14px;border:1px solid var(--line);background:#fff;position:relative}
    .mobile-toggle span,.mobile-toggle span:before,.mobile-toggle span:after{
      content:"";position:absolute;left:12px;right:12px;height:2px;background:var(--ink);border-radius:2px;transition:.2s ease;
    }
    .mobile-toggle span{top:21px}
    .mobile-toggle span:before{left:0;right:0;top:-7px}
    .mobile-toggle span:after{left:0;right:0;top:7px}
    .mobile-toggle.is-open span{background:transparent}
    .mobile-toggle.is-open span:before{transform:rotate(45deg);top:0}
    .mobile-toggle.is-open span:after{transform:rotate(-45deg);top:0}
    .hero-category{padding:76px 0 56px}
    .breadcrumb{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:14px;color:var(--muted)}
    .breadcrumb a:hover{color:var(--brand-deep);text-decoration:underline;text-underline-offset:4px}
    .hero-title{
      margin-top:24px;color:var(--ink);font-weight:900;letter-spacing:-.04em;
      font-size:clamp(34px,5vw,58px);line-height:1.12;
    }
    .hero-desc{margin-top:22px;max-width:760px;font-size:18px;color:#475569}
    .summary-card{
      border-radius:30px;background:linear-gradient(145deg,#FFFFFF 0%,#F0F7FF 100%);
      border:1px solid rgba(191,219,254,.9);box-shadow:var(--shadow-soft);
      padding:28px;position:relative;overflow:hidden;
    }
    .summary-card:after{
      content:"";position:absolute;right:-46px;top:-46px;width:160px;height:160px;
      border-radius:50%;background:rgba(56,189,248,.18);
    }
    .summary-row{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:15px 0;border-bottom:1px dashed #CBD5E1}
    .summary-row:last-child{border-bottom:0}
    .summary-label{color:var(--muted);font-size:14px}
    .summary-value{color:var(--ink);font-weight:900}
    .image-panel{
      border-radius:var(--radius-2xl);overflow:hidden;position:relative;
      min-height:300px;background:#DBEAFE;box-shadow:var(--shadow-soft);
    }
    .image-panel img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}
    .image-panel:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(15,23,42,.05),rgba(15,23,42,.46))}
    .image-caption{position:absolute;left:22px;right:22px;bottom:22px;color:white;z-index:2}
    .article-feature{
      display:grid;grid-template-columns:1.08fr 1fr;gap:26px;padding:18px;
    }
    .article-feature .feature-img{min-height:330px;border-radius:24px;overflow:hidden}
    .article-feature .feature-img img{width:100%;height:100%;object-fit:cover}
    .article-card{padding:22px;display:grid;grid-template-columns:168px 1fr;gap:20px;align-items:center}
    .article-thumb{height:128px;border-radius:20px;overflow:hidden;background:#EFF6FF}
    .article-thumb img{width:100%;height:100%;object-fit:cover}
    .mini-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
    .mini-article{padding:22px}
    .article-title{color:var(--ink);font-weight:900;line-height:1.35}
    .article-title a:hover{color:var(--brand-deep)}
    .text-link{
      display:inline-flex;align-items:center;gap:8px;margin-top:14px;
      color:var(--brand-deep);font-weight:900;
    }
    .text-link span{transition:.2s ease}
    .text-link:hover span{transform:translateX(4px)}
    .sidebar{display:grid;gap:18px}
    .sidebar-sticky{position:sticky;top:96px;display:grid;gap:18px}
    .side-card{padding:24px;border-radius:24px;background:white;border:1px solid var(--line);box-shadow:0 8px 22px rgba(15,23,42,.04)}
    .side-title{font-size:18px;color:var(--ink);font-weight:900;margin-bottom:16px}
    .topic-list{display:grid;gap:12px}
    .topic-item{
      display:flex;align-items:flex-start;gap:12px;padding:12px;border-radius:16px;
      background:#F8FAFC;border:1px solid transparent;transition:.2s ease;
    }
    .topic-item:hover{background:#EFF6FF;border-color:#BFDBFE;transform:translateX(2px)}
    .index-tags{display:flex;flex-wrap:wrap;gap:10px}
    .index-tags span{
      padding:8px 11px;border-radius:999px;background:#F8FAFC;border:1px solid var(--line);
      font-size:13px;font-weight:800;color:#334155;
    }
    .index-tags span:hover{border-color:#93C5FD;color:var(--brand-deep);background:#EFF6FF}
    .process-card{padding:26px}
    .process-num{width:40px;height:40px;border-radius:15px;background:#EFF6FF;color:var(--brand-deep);display:grid;place-items:center;font-weight:900}
    .faq-item{
      background:white;border:1px solid var(--line);border-radius:22px;overflow:hidden;
      transition:.2s ease;
    }
    .faq-item:hover{border-color:#BFDBFE;box-shadow:0 10px 26px rgba(37,99,235,.08)}
    .faq-question{
      width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
      padding:20px 22px;text-align:left;color:var(--ink);font-weight:900;
    }
    .faq-answer{display:none;padding:0 22px 22px;color:#475569}
    .faq-item.open .faq-answer{display:block}
    .faq-icon{width:28px;height:28px;border-radius:999px;background:#EFF6FF;color:var(--brand-deep);display:grid;place-items:center;font-weight:900;flex:0 0 auto}
    .faq-item.open .faq-icon{background:var(--brand-blue);color:white}
    .cta-card{
      position:relative;overflow:hidden;border-radius:34px;
      background:linear-gradient(135deg,#EFF6FF 0%,#FFFFFF 52%,#ECFEFF 100%);
      border:1px solid #BFDBFE;padding:36px;box-shadow:var(--shadow-soft);
    }
    .cta-card:before{
      content:"";position:absolute;right:-80px;bottom:-90px;width:260px;height:260px;border-radius:50%;
      background:rgba(14,165,164,.12);
    }
    .form-wrap{background:white;border:1px solid var(--line);border-radius:26px;padding:24px;box-shadow:0 14px 30px rgba(15,23,42,.06)}
    .form-label{display:block;font-size:14px;font-weight:800;color:#334155;margin-bottom:7px}
    .form-input{
      width:100%;border:1px solid var(--line);background:#F8FAFC;border-radius:16px;
      padding:13px 14px;color:var(--ink);transition:.2s ease;
    }
    .form-input:focus{border-color:#93C5FD;background:white}
    .footer{background:#0F172A;color:#CBD5E1;padding:64px 0 28px}
    .footer a{color:#CBD5E1;transition:.2s ease}
    .footer a:hover{color:#93C5FD;transform:translateX(2px)}
    .footer-logo .brand-mark{box-shadow:none}
    .footer-bottom{margin-top:46px;padding-top:24px;border-top:1px solid rgba(148,163,184,.18);color:#94A3B8;font-size:14px}
    @media (max-width:1024px){
      .desktop-cta{display:none}
      .nav-links{gap:2px}
      .article-feature{grid-template-columns:1fr}
      .article-feature .feature-img{min-height:260px}
      .sidebar-sticky{position:static}
    }
    @media (max-width:768px){
      .site-container{width:min(100% - 32px,1240px)}
      .section{padding:64px 0}
      .nav-inner{height:68px}
      .mobile-toggle{display:block}
      .nav-links{
        position:absolute;top:68px;left:16px;right:16px;
        display:none;flex-direction:column;align-items:stretch;gap:8px;
        padding:14px;background:white;border:1px solid var(--line);border-radius:22px;
        box-shadow:var(--shadow-soft);
      }
      .nav-links.is-open{display:flex}
      .nav-link{padding:12px 14px}
      .nav-cta{width:100%;padding:13px 18px}
      .brand-sub{display:none!important}
      .hero-category{padding:54px 0 38px}
      .article-card{grid-template-columns:1fr}
      .article-thumb{height:190px}
      .mini-grid{grid-template-columns:1fr}
      .cta-card{padding:24px}
    }
    @media (max-width:520px){
      .brand-title{font-size:15px}
      .brand-mark{width:40px;height:40px;border-radius:14px}
      .hero-desc{font-size:16px}
      .btn{width:100%}
      .breadcrumb{font-size:13px}
      .summary-card{padding:22px}
      .image-panel{min-height:230px}
    }