:root{--bg:#fff8f0;--card:#ffffff;--ink:#1f2937;--muted:#5b6472;--line:#f1d6c5;--brand:#ff6a1a;--brand2:#ff9b3d;--accent:#1f7ae0;--shadow:0 16px 40px rgba(255,106,26,.12);--radius:20px}
    *{box-sizing:border-box} html{scroll-behavior:smooth} body{margin:0;font-family:system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;background:radial-gradient(circle at top left,#fff3e5 0,#fff8f0 26%,#fffdf9 100%);color:var(--ink)} a{color:inherit;text-decoration:none} img{display:block;max-width:100%;height:auto}
    .container{width:min(1180px,calc(100% - 32px));margin:0 auto}
    header{position:sticky;top:0;z-index:50;background:rgba(255,248,240,.88);backdrop-filter:blur(16px);border-bottom:1px solid rgba(241,214,197,.8)}
    .nav{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 0}
    .brand{display:flex;align-items:center;gap:12px;font-weight:800}.brand img{width:42px;height:42px;object-fit:contain;background:#fff;border-radius:12px;padding:4px;border:1px solid var(--line)}
    .menu{display:flex;align-items:center;gap:18px;flex-wrap:wrap}.menu a{color:var(--muted);font-size:14px}.menu a:hover{color:var(--brand)}
    .nav-actions{display:flex;align-items:center;gap:10px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 16px;border-radius:999px;border:1px solid transparent;font-weight:700;transition:.22s ease;cursor:pointer}
    .btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;box-shadow:0 12px 24px rgba(255,106,26,.22)} .btn-secondary{background:#fff;border-color:var(--line);color:var(--ink)}
    .btn:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(31,41,55,.12)}
    .hamburger{display:none;background:#fff;border:1px solid var(--line);border-radius:12px;padding:10px}
    .hero{padding:42px 0 24px;position:relative;overflow:hidden}
    .hero::before,.hero::after{content:"";position:absolute;border-radius:999px;filter:blur(10px);opacity:.55;pointer-events:none}
    .hero::before{width:300px;height:300px;background:radial-gradient(circle,#ffb36a 0,rgba(255,179,106,0) 70%);top:-80px;right:-60px}
    .hero::after{width:240px;height:240px;background:radial-gradient(circle,#ff7a20 0,rgba(255,122,32,0) 70%);bottom:-80px;left:-40px}
    .hero-grid{display:grid;grid-template-columns:1.18fr .82fr;gap:24px;align-items:stretch}
    .hero-main,.hero-side,.section-card,.metric,.feature,.review,.faq-item,.article,.timeline-item,.price,.compare,.support-card,.form-card{background:rgba(255,255,255,.84);border:1px solid rgba(241,214,197,.95);border-radius:var(--radius);box-shadow:var(--shadow)}
    .hero-main{padding:30px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;background:#fff2e7;color:var(--brand);font-weight:700;font-size:13px;border:1px solid #ffd8bf}
    h1{margin:16px 0 14px;font-size:clamp(30px,5vw,54px);line-height:1.06;letter-spacing:-.03em}
    .lead{margin:0;color:var(--muted);font-size:16px;line-height:1.85;max-width:58ch}
    .hero-cta{display:flex;gap:12px;flex-wrap:wrap;margin:22px 0 18px}
    .hero-points{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:18px}
    .mini{padding:14px;border-radius:16px;background:#fff7ef;border:1px solid #ffe1cc}
    .mini strong{display:block;font-size:20px;color:var(--ink)} .mini span{color:var(--muted);font-size:13px}
    .hero-side{padding:22px;display:grid;gap:14px}
    .side-panel{padding:16px;border-radius:18px;background:linear-gradient(180deg,#fffaf5,#fff)}
    .side-title{margin:0 0 10px;font-size:18px}.chip-cloud{display:flex;flex-wrap:wrap;gap:10px}.chip{padding:8px 11px;border-radius:999px;background:#fff;border:1px solid #ffe1cc;color:#6a3a16;font-size:13px}
    section{padding:18px 0} .section-head{display:flex;justify-content:space-between;gap:16px;align-items:end;margin:20px 0 14px} .section-head h2{margin:0;font-size:28px} .section-head p{margin:0;color:var(--muted);max-width:62ch;line-height:1.8}
    .grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    .metric,.feature,.review,.article,.support-card,.price,.compare,.form-card,.timeline-item{padding:18px}
    .metric b{font-size:28px;display:block;margin-bottom:6px;color:#0f172a}.metric span,.feature p,.review p,.article p,.support-card p,.timeline-item p{color:var(--muted);line-height:1.8}
    .icon{width:42px;height:42px;border-radius:14px;background:linear-gradient(135deg,#ffede0,#ffd2b3);display:grid;place-items:center;color:var(--brand);font-weight:900;margin-bottom:12px}
    .feature h3,.review h3,.article h3,.support-card h3,.price h3{margin:0 0 8px;font-size:18px}
    .table-wrap{overflow-x:auto;border-radius:18px}
    table{width:100%;border-collapse:collapse;min-width:760px;background:#fff}
    th,td{padding:14px 12px;border-bottom:1px solid #f1e3d6;text-align:left;vertical-align:top;font-size:14px}
    th{background:#fff7ef;color:#7a3410}
    .badge{display:inline-flex;align-items:center;padding:6px 10px;border-radius:999px;background:#fff1e7;color:#b64708;font-weight:700;font-size:12px}
    .timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.timeline-item{position:relative}.timeline-item::before{content:"";width:12px;height:12px;border-radius:50%;background:var(--brand);display:block;margin-bottom:14px;box-shadow:0 0 0 6px rgba(255,106,26,.12)}
    .compare strong{color:#0f172a}
    .form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.field{display:flex;flex-direction:column;gap:8px}.field input,.field select,.field textarea{width:100%;padding:13px 14px;border-radius:14px;border:1px solid #e8d8ca;background:#fff;color:var(--ink);outline:none}
    .field textarea{min-height:122px;resize:vertical}.field input:focus,.field select:focus,.field textarea:focus{border-color:#ffb07e;box-shadow:0 0 0 4px rgba(255,106,26,.08)}
    .footer{padding:26px 0 34px;border-top:1px solid rgba(241,214,197,.9);color:#495261}
    .footer a{color:#7b3410}.footer a:hover{color:var(--brand)}
    .floating{position:fixed;right:16px;bottom:16px;z-index:60;display:flex;flex-direction:column;gap:10px}
    .floating a,.floating button{width:48px;height:48px;border-radius:16px;border:none;display:grid;place-items:center;background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;box-shadow:0 14px 26px rgba(255,106,26,.24);cursor:pointer}
    .floating a:hover,.floating button:hover{transform:translateY(-2px)}
    details{border-top:1px solid #f1e3d6;padding:14px 0} details:first-child{border-top:none} summary{cursor:pointer;font-weight:700;list-style:none} summary::-webkit-details-marker{display:none}
    .accordion{padding:8px 2px 0;color:var(--muted);line-height:1.85}
    .scroll-tag{display:flex;gap:10px;flex-wrap:wrap}
    .content-tabs{display:grid;grid-template-columns:1.05fr .95fr;gap:14px}
    .panel{padding:18px;border-radius:18px;background:#fff}
    .dot{width:10px;height:10px;border-radius:50%;background:#ff7a20;display:inline-block;margin-right:8px}
    .reviews .review{display:flex;flex-direction:column;gap:10px}
    .avatar{width:42px;height:42px;border-radius:14px;background:linear-gradient(135deg,#ffe3cb,#ffd19d);display:grid;place-items:center;font-weight:800;color:#9a4510}
    .review-top{display:flex;align-items:center;gap:12px}
    .stars{color:#ff9b3d;letter-spacing:2px}
    .mobile-only{display:none}
    .article-list{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
    .link-list{display:flex;flex-wrap:wrap;gap:12px}
    .link-list a{padding:10px 12px;border-radius:14px;background:#fff;border:1px solid #f1d6c5;color:#7a3410}
    .hero-image-strip{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:14px}
    .hero-image-strip .placeholder{padding:18px;border:1px dashed #f2c39f;border-radius:18px;background:linear-gradient(180deg,#fff8f1,#fff)}
    .muted{color:var(--muted)}
    .tagline{font-size:14px;color:#8a5a33}
    @media (max-width: 980px){
      .hero-grid,.grid-4,.grid-3,.grid-2,.timeline,.content-tabs,.article-list{grid-template-columns:1fr}
      .hero-points,.form-grid{grid-template-columns:1fr 1fr}
      .menu{display:none}.hamburger{display:inline-grid;place-items:center}
      .nav.open .menu{display:flex;flex-direction:column;align-items:flex-start;gap:12px;padding:12px 0 4px;width:100%}
      .nav.open{flex-wrap:wrap}.nav.open .nav-actions{margin-left:auto}
    }
    @media (max-width: 640px){
      .container{width:min(100% - 24px,1180px)}
      .hero{padding-top:22px}.hero-main{padding:22px}.hero-points,.form-grid{grid-template-columns:1fr}.nav-actions .btn-secondary{display:none}
      .section-head{flex-direction:column;align-items:flex-start}.table-wrap{margin-right:-8px}
      .desktop-only{display:none}.mobile-only{display:block}
    }
    .reveal{opacity:0;transform:translateY(18px);transition:opacity .7s ease,transform .7s ease}.reveal.in{opacity:1;transform:none}