:root{
      --bg:#f7f3ec;
      --bg2:#ffffff;
      --panel:#fffaf2;
      --ink:#1f2937;
      --muted:#5b6472;
      --line:#eadfce;
      --brand:#2f6fed;
      --brand2:#f36f5e;
      --accent:#2fbf8f;
      --shadow:0 16px 40px rgba(41,49,66,.10);
      --shadow2:0 10px 24px rgba(47,111,237,.12);
      --radius:22px;
      --radius2:16px;
      --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;background:linear-gradient(180deg,#fff 0%, #fbf7f0 30%, #f7f3ec 100%);color:var(--ink)}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%;height:auto}
    .container{width:min(var(--container),calc(100% - 32px));margin:0 auto}
    .site-header{position:sticky;top:0;z-index:50;background:rgba(255,250,242,.88);backdrop-filter:blur(14px);border-bottom:1px solid rgba(234,223,206,.7)}
    .header-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:76px}
    .brand{display:flex;align-items:center;gap:12px;font-weight:800;color:var(--ink)}
    .brand img{width:42px;height:42px;object-fit:contain}
    .brand-text{display:flex;flex-direction:column;line-height:1.1}
    .brand-text span{font-size:13px;color:var(--muted);font-weight:600}
    .nav{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
    .nav a{font-size:14px;color:var(--ink);padding:8px 0;position:relative}
    .nav a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--brand);transition:.25s ease}
    .nav a:hover::after{width:100%}
    .header-cta{display:flex;align-items:center;gap:10px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:999px;padding:12px 18px;font-weight:700;transition:.25s ease;cursor:pointer;white-space:nowrap}
    .btn-primary{background:linear-gradient(135deg,var(--brand),#5f8ff0);color:#fff;box-shadow:var(--shadow2)}
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 26px rgba(47,111,237,.22)}
    .btn-ghost{background:#fff;border-color:var(--line);color:var(--ink)}
    .btn-ghost:hover{transform:translateY(-2px);border-color:#d8c9b1}
    .menu-btn{display:none;border:1px solid var(--line);background:#fff;border-radius:12px;padding:10px 12px;color:var(--ink)}
    .hero{padding:54px 0 26px;position:relative;overflow:hidden}
    .hero::before,.hero::after{content:"";position:absolute;border-radius:999px;filter:blur(2px);pointer-events:none}
    .hero::before{width:220px;height:220px;background:radial-gradient(circle at 30% 30%, rgba(47,111,237,.18), transparent 60%);top:-40px;right:-50px}
    .hero::after{width:240px;height:240px;background:radial-gradient(circle at 40% 40%, rgba(243,111,94,.16), transparent 60%);left:-60px;top:160px}
    .hero-grid{display:grid;grid-template-columns:1.18fr .82fr;gap:26px;align-items:stretch}
    .hero-main,.hero-side,.card,.section,.table-wrap,.faq-item,.form-wrap,.review,.case-card,.article-card,.comparison,.timeline{background:rgba(255,255,255,.8);border:1px solid rgba(234,223,206,.9);border-radius:var(--radius);box-shadow:var(--shadow)}
    .hero-main{padding:34px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;background:#eef4ff;color:#2857bf;border:1px solid #d9e4ff;border-radius:999px;padding:7px 12px;font-size:13px;font-weight:700}
    h1{margin:18px 0 14px;font-size:clamp(32px,5vw,56px);line-height:1.08;letter-spacing:-.03em}
    .hero p{margin:0;color:var(--muted);font-size:16px;line-height:1.8}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
    .hero-points{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:24px}
    .point{padding:14px 14px 13px;border-radius:18px;background:linear-gradient(180deg,#fff, #fdf8ef);border:1px solid var(--line)}
    .point strong{display:block;font-size:16px;margin-bottom:6px}
    .point span{display:block;color:var(--muted);font-size:13px;line-height:1.6}
    .hero-side{padding:20px;display:grid;gap:14px}
    .mini-panel{padding:18px;border-radius:18px;background:linear-gradient(180deg,#fff, #fbf7f0);border:1px dashed #e7d7bd}
    .mini-panel h3{margin:0 0 10px;font-size:17px}
    .stat-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
    .stat{padding:16px;border-radius:18px;background:#fff;border:1px solid var(--line)}
    .stat strong{display:block;font-size:24px;color:var(--brand);line-height:1}
    .stat span{display:block;margin-top:8px;font-size:13px;color:var(--muted);line-height:1.5}
    .section{padding:28px;margin-top:20px}
    .section h2{margin:0 0 10px;font-size:28px;line-height:1.2}
    .section .sub{margin:0 0 18px;color:var(--muted);line-height:1.8}
    .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{margin:0 0 8px;font-size:18px}
    .card p,.card li{color:var(--muted);line-height:1.75}
    .chips{display:flex;flex-wrap:wrap;gap:10px}
    .chip{padding:8px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:13px;color:#344054}
    .workflow{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .step{position:relative;padding:18px;border-radius:20px;background:linear-gradient(180deg,#fff, #faf6ef);border:1px solid var(--line)}
    .step em{display:inline-flex;width:30px;height:30px;border-radius:10px;align-items:center;justify-content:center;background:linear-gradient(135deg,#ffe2d9,#e8efff);color:#254aa1;font-style:normal;font-weight:800;margin-bottom:10px}
    .table-wrap{overflow:auto;padding:0}
    table{width:100%;border-collapse:collapse;min-width:880px}
    th,td{padding:16px 18px;border-bottom:1px solid #eee4d4;text-align:left;vertical-align:top}
    th{background:#fbf6ee;color:#24324b;font-size:14px}
    td{color:#4b5563;font-size:14px;line-height:1.7}
    .compare-badge{display:inline-flex;padding:7px 12px;border-radius:999px;background:#eefaf3;color:#166c4f;font-weight:700;font-size:13px}
    .faq{display:grid;gap:12px}
    .faq-item{padding:0;overflow:hidden}
    .faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 20px;background:transparent;border:0;font-size:16px;font-weight:700;color:var(--ink);text-align:left;cursor:pointer}
    .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:180px;padding:0 20px 18px;border-top-color:#eee4d4}
    .faq-a p{margin:0;color:var(--muted);line-height:1.8}
    .reviews,.articles{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .review .meta{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:10px}
    .stars{color:#e6a400;letter-spacing:2px}
    .review small{color:var(--muted)}
    .case-card{padding:18px}
    .case-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px}
    .tag{display:inline-flex;padding:6px 10px;border-radius:999px;background:#fff2ef;color:#b44434;font-size:12px;font-weight:700}
    .timeline{padding:22px}
    .timeline ul{list-style:none;padding:0;margin:0;display:grid;gap:14px}
    .timeline li{display:grid;grid-template-columns:90px 1fr;gap:12px;padding:12px 0;border-bottom:1px dashed #eadfce}
    .timeline li:last-child{border-bottom:0}
    .timeline strong{color:#23406f}
    .form-wrap{padding:22px}
    form{display:grid;gap:14px}
    .form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    label{display:grid;gap:8px;font-size:14px;font-weight:700;color:#253247}
    input,select,textarea{width:100%;border:1px solid #dfd3c0;border-radius:14px;padding:13px 14px;background:#fff;color:var(--ink);font:inherit;outline:none}
    textarea{min-height:120px;resize:vertical}
    input:focus,select:focus,textarea:focus{border-color:#94b4ff;box-shadow:0 0 0 4px rgba(47,111,237,.10)}
    .footer{margin-top:20px;background:#fff;border-top:1px solid #eadfce}
    .footer-inner{padding:28px 0 20px;display:grid;gap:18px}
    .footer-top{display:grid;grid-template-columns:1.1fr .9fr;gap:18px;align-items:start}
    .footer h3{margin:0 0 10px;font-size:18px}
    .footer p,.footer a,.footer li{color:#4b5563;line-height:1.7}
    .footer-links{display:flex;flex-wrap:wrap;gap:10px}
    .footer-links a{padding:8px 11px;border-radius:999px;border:1px solid var(--line);background:#fbf8f2}
    .copyright{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;padding-top:14px;border-top:1px solid #eee4d4;font-size:13px;color:#667085}
    .floating{position:fixed;right:16px;bottom:16px;z-index:60;display:grid;gap:10px}
    .float-btn{width:48px;height:48px;border-radius:16px;background:linear-gradient(135deg,var(--brand),#6c92f2);color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow2);font-weight:900}
    .float-btn.secondary{background:#fff;color:var(--ink);border:1px solid var(--line)}
    .side-images{display:grid;grid-template-columns:1fr 1fr;gap:12px}
    .side-images img{border-radius:16px;border:1px solid var(--line)}
    .article-card{padding:18px}
    .article-card h3{margin:0 0 8px;font-size:17px}
    .section-anchor{scroll-margin-top:92px}
    .mobile-only{display:none}
    .rating-box{padding:18px;border-radius:20px;background:linear-gradient(135deg,#fff, #f7f2ea);border:1px solid var(--line)}
    .rating-score{font-size:42px;font-weight:900;line-height:1;color:var(--brand)}
    .rating-row{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:10px}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .info-list{list-style:none;padding:0;margin:0;display:grid;gap:10px}
    .info-list li{padding:12px 14px;border-radius:14px;background:#fff;border:1px solid var(--line);color:#3f4a5a}
    .hero-side .info-list li{background:linear-gradient(180deg,#fff, #fdf8ef)}
    @media (max-width: 1024px){
      .hero-grid,.footer-top,.grid-3,.reviews,.articles{grid-template-columns:1fr 1fr}
      .workflow{grid-template-columns:1fr 1fr}
    }
    @media (max-width: 768px){
      .nav{display:none}
      .menu-btn{display:inline-flex}
      .header-inner{min-height:68px}
      .header-cta .btn-ghost{display:none}
      .hero{padding-top:24px}
      .hero-grid,.grid-2,.grid-3,.reviews,.articles,.footer-top,.form-grid,.workflow,.hero-points{grid-template-columns:1fr}
      .hero-main{padding:24px}
      .section{padding:22px}
      .side-images{grid-template-columns:1fr}
      .timeline li{grid-template-columns:1fr;gap:4px}
      .desktop-only{display:none}
      .mobile-only{display:block}
    }
    .nav-panel{display:none;padding:0 0 14px}
    .nav-panel.open{display:block}
    .nav-panel a{display:block;padding:12px 0;border-top:1px solid #f0e5d5}
    .fade-in{opacity:0;transform:translateY(16px);transition:all .6s ease}
    .fade-in.show{opacity:1;transform:none}