:root{
      --bg:#fff8ef;
      --bg2:#fffdf8;
      --card:#ffffff;
      --line:#eadfce;
      --text:#24303f;
      --muted:#667182;
      --brand:#ff8c42;
      --brand2:#ff5e7a;
      --brand3:#22b8cf;
      --accent:#f9d56e;
      --shadow:0 18px 40px rgba(64, 49, 27, .10);
      --shadow2:0 10px 24px rgba(64, 49, 27, .08);
      --radius:22px;
      --radius2:16px;
      --container:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC","Hiragino Sans GB","Microsoft YaHei", "Noto Sans SC", Arial, sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at top left, rgba(255,140,66,.16), transparent 28%),
        radial-gradient(circle at top right, rgba(34,184,207,.14), transparent 24%),
        linear-gradient(180deg, #fff9f0 0%, #fffdf9 45%, #fff8ef 100%);
      line-height:1.6;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    .container{
      width:min(var(--container), calc(100% - 32px));
      margin:0 auto;
    }
    .site-header{
      position:sticky;top:0;z-index:60;
      backdrop-filter:saturate(180%) blur(18px);
      background:rgba(255,248,239,.78);
      border-bottom:1px solid rgba(234,223,206,.8);
    }
    .nav{
      display:flex;align-items:center;justify-content:space-between;gap:18px;
      padding:14px 0;
    }
    .brand{
      display:flex;align-items:center;gap:12px;min-width:0;
    }
    .brand .ai-page-logo{
      width:42px;height:42px;object-fit:contain;border-radius:12px;background:#fff;border:1px solid var(--line);padding:6px;box-shadow:var(--shadow2)
    }
    .brand-text{display:flex;flex-direction:column;min-width:0}
    .brand-text strong{font-size:1rem;letter-spacing:.5px}
    .brand-text span{font-size:.82rem;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
    .nav-links{
      display:flex;align-items:center;gap:6px;flex-wrap:wrap;justify-content:flex-end;
    }
    .nav-links a{
      padding:9px 12px;border-radius:999px;color:#425063;font-size:.92rem;
      transition:.25s ease;background:transparent;
    }
    .nav-links a:hover,.nav-links a:focus-visible{background:#fff;box-shadow:0 8px 18px rgba(72,58,33,.08);transform:translateY(-1px);outline:none}
    .nav-cta{display:flex;align-items:center;gap:10px}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      padding:12px 18px;border-radius:999px;border:1px solid transparent;
      font-weight:700;transition:.25s ease;cursor:pointer;white-space:nowrap;
    }
    .btn-primary{
      background:linear-gradient(135deg,var(--brand),var(--brand2));
      color:#fff;box-shadow:0 16px 28px rgba(255, 108, 92, .24);
    }
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 20px 36px rgba(255, 108, 92, .28)}
    .btn-secondary{
      background:#fff;color:var(--text);border-color:var(--line);
    }
    .btn-secondary:hover{transform:translateY(-2px);box-shadow:var(--shadow2)}
    .menu-btn{
      display:none;border:1px solid var(--line);background:#fff;border-radius:12px;padding:10px 12px;color:var(--text)
    }
    .hero{
      padding:28px 0 24px;
    }
    .hero-grid{
      display:grid;grid-template-columns:1.2fr .8fr;gap:22px;align-items:stretch;
    }
    .hero-main,.hero-side,.panel,.card,.faq-item,.review,.article-item,.timeline-item,.pricing,.compare-wrap,.form-box{
      background:rgba(255,255,255,.86);
      border:1px solid rgba(234,223,206,.9);
      border-radius:var(--radius);
      box-shadow:var(--shadow);
    }
    .hero-main{
      padding:34px;
      position:relative;overflow:hidden;
      background:
        linear-gradient(135deg, rgba(255,255,255,.96), rgba(255,248,239,.92)),
        radial-gradient(circle at 12% 14%, rgba(255,140,66,.16), transparent 18%),
        radial-gradient(circle at 88% 18%, rgba(34,184,207,.14), transparent 16%);
    }
    .hero-main::before,.hero-main::after{
      content:"";position:absolute;border-radius:50%;filter:blur(4px);pointer-events:none
    }
    .hero-main::before{width:180px;height:180px;background:rgba(255,94,122,.12);right:-40px;top:-40px}
    .hero-main::after{width:220px;height:220px;background:rgba(34,184,207,.12);left:-70px;bottom:-100px}
    .eyebrow{
      display:inline-flex;align-items:center;gap:8px;padding:8px 14px;border-radius:999px;
      background:#fff;border:1px solid var(--line);color:#7b5d2b;font-size:.9rem;font-weight:700;
      box-shadow:0 8px 18px rgba(93, 66, 25, .06);
    }
    .hero h1{
      margin:18px 0 14px;
      font-size:clamp(2rem, 4vw, 4.2rem);
      line-height:1.05;
      letter-spacing:-.02em;
    }
    .lead{
      margin:0;
      color:var(--muted);
      font-size:1.04rem;
      max-width:62ch;
    }
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:24px 0 22px}
    .hero-meta{
      display:flex;gap:14px;flex-wrap:wrap;margin-top:16px;
    }
    .mini-stat{
      flex:1 1 150px;min-width:150px;
      background:linear-gradient(180deg,#fff,#fffaf4);
      border:1px solid var(--line);border-radius:18px;padding:14px 16px;
    }
    .mini-stat strong{display:block;font-size:1.35rem;color:#111827}
    .mini-stat span{display:block;color:var(--muted);font-size:.9rem;margin-top:3px}
    .hero-side{padding:22px;display:flex;flex-direction:column;gap:14px;overflow:hidden}
    .side-badge{
      display:flex;align-items:center;justify-content:space-between;gap:10px;
      padding:14px 16px;border-radius:18px;background:linear-gradient(135deg,#fff3e3,#fff9f1);
      border:1px dashed rgba(255,140,66,.35);
    }
    .side-badge strong{display:block;font-size:1.02rem}
    .side-badge span{display:block;color:var(--muted);font-size:.9rem}
    .side-list{display:grid;gap:10px}
    .side-list div{
      padding:12px 14px;border-radius:16px;background:#fff;border:1px solid var(--line);
      display:flex;justify-content:space-between;gap:10px;align-items:center;
    }
    .side-list b{font-size:.95rem}
    .side-list em{font-style:normal;color:var(--muted);font-size:.88rem}
    .section{padding:18px 0}
    .section-head{
      display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:16px;flex-wrap:wrap
    }
    .section-head h2,.section-head h3{
      margin:0;font-size:clamp(1.35rem,2vw,2rem);line-height:1.2
    }
    .section-head p{margin:0;color:var(--muted);max-width:66ch}
    .grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
    .card{padding:20px}
    .card h3,.card h4{margin:0 0 8px;font-size:1.05rem}
    .card p{margin:0;color:var(--muted)}
    .metric{
      display:flex;flex-direction:column;gap:8px;min-height:100%;
      background:linear-gradient(180deg,#fff, #fffaf3);
      border:1px solid var(--line);
      border-radius:20px;padding:20px;
    }
    .metric strong{font-size:1.9rem;line-height:1}
    .metric span{color:var(--muted);font-size:.95rem}
    .pill-row{display:flex;flex-wrap:wrap;gap:10px}
    .pill{
      padding:8px 12px;border-radius:999px;border:1px solid var(--line);background:#fff;color:#435164;font-size:.9rem
    }
    .feature{
      display:flex;flex-direction:column;gap:14px;height:100%;
      background:
        linear-gradient(180deg,#fff, #fffaf7);
      position:relative;overflow:hidden;
    }
    .feature .icon{
      width:46px;height:46px;border-radius:14px;display:grid;place-items:center;
      background:linear-gradient(135deg,rgba(255,140,66,.18),rgba(255,94,122,.14));
      color:#cf5c1a;font-weight:800
    }
    .feature ul{margin:0;padding-left:18px;color:var(--muted)}
    .feature li{margin:6px 0}
    .flow{
      display:grid;grid-template-columns:repeat(4,1fr);gap:16px;
    }
    .step{
      padding:20px;border-radius:20px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow2);
      position:relative;overflow:hidden;
    }
    .step::before{
      content:attr(data-step);position:absolute;top:14px;right:16px;font-size:2.8rem;font-weight:800;
      color:rgba(255,140,66,.10);
    }
    .step strong{display:block;margin-bottom:8px}
    .step p{margin:0;color:var(--muted)}
    .table-wrap{
      overflow:auto;border-radius:20px;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow)
    }
    table{width:100%;border-collapse:collapse;min-width:760px}
    th,td{padding:14px 16px;border-bottom:1px solid #efe4d4;text-align:left;vertical-align:top}
    th{background:#fff8ee;color:#344054}
    tr:hover td{background:#fffdf9}
    .badge{
      display:inline-flex;align-items:center;gap:6px;padding:5px 10px;border-radius:999px;font-size:.84rem;font-weight:700
    }
    .badge.good{background:#e8fff6;color:#0d7a55}
    .badge.hot{background:#fff1e7;color:#cf5c1a}
    .badge.info{background:#eaf7ff;color:#1166a6}
    .split{
      display:grid;grid-template-columns:1.05fr .95fr;gap:16px;align-items:start;
    }
    .compare-wrap{padding:20px}
    .score-box{
      display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:14px
    }
    .score{
      padding:16px;border-radius:18px;background:linear-gradient(180deg,#fff7ed,#fff);border:1px solid #f1ddbf
    }
    .score strong{display:block;font-size:1.5rem}
    .score span{color:var(--muted);font-size:.9rem}
    .faq{display:grid;gap:12px}
    .faq-item{overflow:hidden}
    .faq-q{
      width:100%;padding:18px 20px;border:0;background:transparent;color:var(--text);
      display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:1rem;font-weight:700;cursor:pointer;text-align:left
    }
    .faq-a{
      max-height:0;overflow:hidden;transition:max-height .28s ease,padding .28s ease;border-top:1px solid transparent
    }
    .faq-item.open .faq-a{max-height:220px;padding:0 20px 18px;border-top-color:var(--line)}
    .faq-a p{margin:12px 0 0;color:var(--muted)}
    .reviews{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .review{padding:20px;display:flex;flex-direction:column;gap:12px}
    .review .top{display:flex;align-items:center;justify-content:space-between;gap:10px}
    .stars{color:#f59e0b;letter-spacing:1px}
    .review p{margin:0;color:var(--muted)}
    .review .role{color:#111827;font-weight:700}
    .articles{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
    .article-item{padding:20px}
    .article-item a{display:flex;justify-content:space-between;gap:12px;align-items:center}
    .article-item span{color:var(--muted);font-size:.92rem}
    .timeline{
      display:grid;grid-template-columns:repeat(4,1fr);gap:16px;
    }
    .timeline-item{padding:20px}
    .timeline-item .dot{
      width:12px;height:12px;border-radius:50%;background:linear-gradient(135deg,var(--brand),var(--brand2));box-shadow:0 0 0 6px rgba(255,140,66,.12);margin-bottom:14px
    }
    .pricing{padding:20px}
    .price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .price-card{
      padding:20px;border-radius:20px;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow2)
    }
    .price-card.featured{
      border-color:rgba(255,140,66,.35);
      background:linear-gradient(180deg,#fff7ee,#fff);
      transform:translateY(-4px);
    }
    .price-card strong{font-size:1.6rem}
    .price-card ul{margin:14px 0 0;padding-left:18px;color:var(--muted)}
    .form-box{padding:22px}
    form{display:grid;gap:14px}
    .form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    label{display:block;font-size:.93rem;font-weight:700;margin-bottom:8px;color:#344054}
    input,select,textarea{
      width:100%;border:1px solid var(--line);border-radius:14px;background:#fff;padding:12px 14px;
      color:var(--text);font:inherit;outline:none;transition:.2s ease;
    }
    input:focus,select:focus,textarea:focus{border-color:#ffaf6b;box-shadow:0 0 0 4px rgba(255,140,66,.12)}
    textarea{min-height:120px;resize:vertical}
    .support-grid{
      display:grid;grid-template-columns:1fr 320px;gap:16px;align-items:start
    }
    .contact-list{display:grid;gap:12px}
    .contact-list div{
      padding:14px 16px;border:1px solid var(--line);border-radius:16px;background:#fff;display:flex;justify-content:space-between;gap:12px
    }
    .contact-list b{display:block}
    .contact-list span{color:var(--muted)}
    .qr-box{
      padding:18px;text-align:center
    }
    .qr-box img{width:210px;margin:0 auto 10px;border-radius:16px;border:1px solid var(--line);box-shadow:var(--shadow2)}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .tag-cloud a,.tag-cloud span{
      padding:8px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);color:#435164;font-size:.9rem
    }
    .floating{
      position:fixed;right:18px;bottom:18px;z-index:70;display:flex;flex-direction:column;gap:10px
    }
    .float-btn{
      display:inline-flex;align-items:center;justify-content:center;width:52px;height:52px;border-radius:18px;
      background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;box-shadow:0 16px 28px rgba(255,108,92,.26);
      border:0;cursor:pointer
    }
    .float-card{
      width:280px;background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow);padding:14px;display:none
    }
    .floating.open .float-card{display:block}
    .float-card img{width:100%;border-radius:14px;border:1px solid var(--line)}
    .float-card p{margin:10px 0 0;color:var(--muted);font-size:.92rem}
    .footer{
      margin-top:8px;padding:22px 0 24px;border-top:1px solid rgba(234,223,206,.85);background:rgba(255,250,243,.95);
      color:#334155
    }
    .footer-grid{
      display:grid;grid-template-columns:1.15fr .85fr 1fr;gap:16px;align-items:start
    }
    .footer a{color:#334155}
    .footer a:hover{color:#ff6f3d}
    .footer small{color:#64748b}
    .footer .footer-links{display:flex;flex-wrap:wrap;gap:10px}
    .footer .footer-links a{padding:7px 10px;border-radius:999px;background:#fff;border:1px solid var(--line)}
    .articles-link-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:8px}
    .articles-link-row a{padding:7px 10px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:.9rem}
    .reveal{opacity:0;transform:translateY(18px);transition:.55s ease}
    .reveal.visible{opacity:1;transform:none}
    .muted{color:var(--muted)}
    .sticky-cta{
      position:fixed;left:18px;bottom:18px;z-index:70;
      display:flex;flex-direction:column;gap:10px;
    }
    .sticky-cta a{
      display:inline-flex;align-items:center;justify-content:center;
      width:52px;height:52px;border-radius:18px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow2);
      color:var(--text);
    }
    .sticky-cta a:hover,.sticky-cta button:hover{transform:translateY(-2px)}
    .ai-page-image{border-radius:16px;border:1px solid var(--line)}
    @media (max-width: 1080px){
      .hero-grid,.split,.support-grid,.footer-grid{grid-template-columns:1fr}
      .grid-4,.grid-3,.reviews,.timeline,.price-grid,.flow{grid-template-columns:repeat(2,1fr)}
      .articles{grid-template-columns:1fr}
    }
    @media (max-width: 760px){
      .container{width:min(var(--container), calc(100% - 24px))}
      .nav{flex-wrap:wrap}
      .menu-btn{display:inline-flex;align-items:center;justify-content:center}
      .nav-links{
        display:none;order:3;width:100%;padding:10px 0 4px;justify-content:flex-start
      }
      .nav-links.open{display:flex}
      .nav-links a{padding:10px 8px}
      .hero{padding-top:18px}
      .hero-main{padding:22px}
      .hero-actions,.hero-meta{gap:10px}
      .grid-4,.grid-3,.reviews,.timeline,.price-grid,.flow,.grid-2,.form-grid{grid-template-columns:1fr}
      .score-box{grid-template-columns:1fr}
      .floating{right:12px;bottom:12px}
      .sticky-cta{left:12px;bottom:12px}
      .float-card{width:min(280px, calc(100vw - 24px))}
    }
    @media (prefers-reduced-motion: reduce){
      html{scroll-behavior:auto}
      *,*::before,*::after{animation:none!important;transition:none!important}
    }