:root{--bg:#f7f5f2;--bg2:#fffaf5;--card:#ffffff;--text:#1f2937;--muted:#5f6b7a;--line:#e7dfd8;--primary:#6c5ce7;--primary2:#14b8a6;--accent:#ff8a5b;--shadow:0 18px 50px rgba(45,54,68,.08);--radius:22px;--container:1180px}
    *{box-sizing:border-box} html{scroll-behavior:smooth}
    body{margin:0;font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;color:var(--text);background:
      radial-gradient(circle at top left, rgba(108,92,231,.08), transparent 28%),
      radial-gradient(circle at 80% 8%, rgba(20,184,166,.08), transparent 22%),
      linear-gradient(180deg,var(--bg) 0%, #fff 40%, var(--bg2) 100%)}
    a{color:inherit;text-decoration:none} img{display:block;max-width:100%} button,input,select,textarea{font:inherit}
    .container{width:min(var(--container), calc(100% - 32px));margin:0 auto}
    header{position:sticky;top:0;z-index:50;background:rgba(247,245,242,.82);backdrop-filter:blur(16px);border-bottom:1px solid rgba(231,223,216,.8)}
    .nav{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 0}
    .brand{display:flex;align-items:center;gap:12px;min-width:0}
    .brand img{width:42px;height:42px;object-fit:contain;border-radius:12px;background:#fff;padding:4px;border:1px solid var(--line)}
    .brand strong{display:block;font-size:18px;line-height:1.1}
    .brand span{display:block;font-size:12px;color:var(--muted)}
    .nav-links{display:flex;align-items:center;gap:16px;flex-wrap:wrap;justify-content:flex-end}
    .nav-links a{font-size:14px;color:var(--text);padding:8px 10px;border-radius:999px;transition:.25s}
    .nav-links a:hover,.nav-links a.active{background:#fff;box-shadow:0 8px 24px rgba(0,0,0,.06);color:var(--primary)}
    .nav-cta{display:flex;gap:10px;align-items:center}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:999px;padding:12px 18px;font-weight:700;cursor:pointer;transition:.25s;white-space:nowrap}
    .btn-primary{background:linear-gradient(135deg,var(--primary),#8b5cf6);color:#fff;box-shadow:0 14px 28px rgba(108,92,231,.24)}
    .btn-secondary{background:#fff;color:var(--text);border:1px solid var(--line)}
    .btn:hover{transform:translateY(-2px)} .btn:active{transform:translateY(0)}
    .menu-btn{display:none;background:#fff;border:1px solid var(--line);border-radius:14px;padding:10px 12px}
    .hero{padding:34px 0 18px}
    .hero-wrap{display:grid;grid-template-columns:1.15fr .85fr;gap:22px;align-items:stretch}
    .hero-copy,.hero-panel,.card,.section-card,.review,.faq-item,.article,.timeline-item,.price-box,.compare-box,.form-box{background:rgba(255,255,255,.9);border:1px solid rgba(231,223,216,.9);border-radius:var(--radius);box-shadow:var(--shadow)}
    .hero-copy{padding:34px;position:relative;overflow:hidden}
    .hero-copy:before,.hero-panel:before{content:"";position:absolute;inset:auto -30px -30px auto;width:180px;height:180px;background:radial-gradient(circle, rgba(255,138,91,.22), transparent 60%);pointer-events:none}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;background:rgba(108,92,231,.08);color:var(--primary);font-weight:700;font-size:13px}
    h1{margin:16px 0 14px;font-size:clamp(32px,5vw,54px);line-height:1.05;letter-spacing:-.03em}
    .lead{margin:0;color:var(--muted);font-size:16px;line-height:1.8;max-width:60ch}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:22px 0 18px}
    .hero-points{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:18px}
    .mini{padding:14px;border-radius:18px;background:linear-gradient(180deg,#fff, #faf7ff);border:1px solid var(--line)}
    .mini b{display:block;font-size:18px;margin-bottom:4px}
    .mini span{font-size:13px;color:var(--muted)}
    .hero-panel{padding:24px;display:grid;gap:14px;position:relative;overflow:hidden}
    .panel-illus{border-radius:20px;padding:18px;background:
      linear-gradient(135deg, rgba(108,92,231,.12), rgba(20,184,166,.12)),
      repeating-linear-gradient(45deg, rgba(108,92,231,.08) 0 10px, transparent 10px 20px);
      min-height:180px;display:flex;align-items:end;justify-content:space-between;gap:16px}
    .panel-illus .tag{display:inline-flex;padding:7px 10px;border-radius:999px;background:#fff;color:var(--text);font-size:12px;font-weight:700;border:1px solid rgba(0,0,0,.06)}
    .hero-stats{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
    .stat{padding:16px;border-radius:18px;background:#fff;border:1px solid var(--line)}
    .stat strong{display:block;font-size:22px;margin-bottom:4px}
    .stat small{color:var(--muted)}
    section{padding:20px 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:18px;margin-bottom:16px}
    .section-head h2{margin:0;font-size:clamp(24px,3vw,34px)}
    .section-head p{margin:0;color:var(--muted);max-width:62ch;line-height:1.7}
    .grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
    .grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
    .card,.review,.article,.faq-item,.form-box,.price-box,.compare-box,.section-card{padding:20px}
    .card h3,.section-card h3,.review h3,.article h3{margin:0 0 10px;font-size:18px}
    .card p,.review p,.article p,.section-card p{margin:0;color:var(--muted);line-height:1.75}
    .icon{width:44px;height:44px;border-radius:14px;display:grid;place-items:center;background:linear-gradient(135deg,rgba(108,92,231,.12),rgba(20,184,166,.12));margin-bottom:14px;font-size:20px}
    .chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
    .chip{font-size:12px;padding:7px 10px;border-radius:999px;background:#f7f3ff;color:#5c4fd8;border:1px solid rgba(108,92,231,.12)}
    .split{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .table-wrap{overflow:auto;border-radius:18px;border:1px solid var(--line)}
    table{width:100%;border-collapse:collapse;background:#fff;min-width:760px}
    th,td{padding:14px 16px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
    th{background:#fbf9ff}
    .rating{font-size:15px;font-weight:700;color:#6b4fe0}
    .timeline{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
    .timeline-item{padding:18px;position:relative}
    .timeline-item b{display:block;margin-bottom:8px;font-size:16px}
    .badge{display:inline-flex;align-items:center;padding:6px 10px;border-radius:999px;background:rgba(20,184,166,.1);color:#0f766e;font-size:12px;font-weight:700}
    .list{display:grid;gap:10px;margin:0;padding-left:18px;color:var(--muted);line-height:1.8}
    .faq{display:grid;gap:12px}
    .faq-item summary{cursor:pointer;list-style:none;font-weight:700}
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item p{margin:12px 0 0;color:var(--muted);line-height:1.75}
    .reviews,.articles{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
    .avatar{width:44px;height:44px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(135deg,#6c5ce7,#14b8a6);color:#fff;font-weight:800;margin-bottom:12px}
    .form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
    label{display:block;font-size:13px;font-weight:700;margin:0 0 8px}
    input,select,textarea{width:100%;border:1px solid var(--line);background:#fff;border-radius:14px;padding:12px 14px;color:var(--text);outline:none;transition:.2s}
    input:focus,select:focus,textarea:focus{border-color:rgba(108,92,231,.55);box-shadow:0 0 0 4px rgba(108,92,231,.08)}
    textarea{min-height:120px;resize:vertical}
    .full{grid-column:1/-1}
    footer{margin-top:18px;background:#111827;color:#eef2ff}
    footer a{color:#d6ddff}
    .footer-wrap{padding:28px 0;display:grid;grid-template-columns:1.15fr .85fr;gap:18px}
    .footer-compact{display:grid;gap:10px}
    .footer-links{display:flex;flex-wrap:wrap;gap:10px}
    .footer-links a{padding:8px 12px;border:1px solid rgba(255,255,255,.12);border-radius:999px;background:rgba(255,255,255,.04)}
    .floating{position:fixed;right:18px;bottom:18px;z-index:60;display:grid;gap:10px}
    .float-btn{width:48px;height:48px;border-radius:16px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);display:grid;place-items:center;font-weight:800}
    .float-btn.primary{background:linear-gradient(135deg,var(--primary),#8b5cf6);color:#fff}
    .scroll-in{opacity:0;transform:translateY(18px);transition:.6s ease}
    .scroll-in.show{opacity:1;transform:none}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .tag-cloud span{padding:8px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);color:#3b4250;font-size:13px}
    .price-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
    .price-box strong{font-size:20px}
    .soft{color:var(--muted);line-height:1.75}
    .mobile-only{display:none}
    @media (max-width: 980px){
      .hero-wrap,.grid-3,.grid-4,.split,.timeline,.reviews,.articles,.footer-wrap,.price-grid{grid-template-columns:1fr}
      .hero-points,.hero-stats{grid-template-columns:1fr 1fr}
      .nav-links{display:none}
      .menu-btn{display:inline-flex}
      .nav.open .nav-links{display:flex;position:absolute;left:16px;right:16px;top:68px;background:#fff;padding:14px;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);flex-direction:column;align-items:flex-start}
      .nav.open .nav-links a{width:100%}
      .nav-cta{display:none}
      .mobile-only{display:inline-flex}
    }
    @media (max-width: 640px){
      .hero-copy,.hero-panel,.card,.section-card,.review,.article,.faq-item,.form-box,.price-box,.compare-box{padding:16px}
      .hero-points,.hero-stats,.form-grid{grid-template-columns:1fr}
      .hero-actions{flex-direction:column}
      .btn{width:100%}
      .section-head{flex-direction:column;align-items:flex-start}
    }