:root{
      --bg:#faf7f2;
      --panel:#ffffff;
      --panel-soft:#fffaf3;
      --text:#1f2937;
      --muted:#5b6472;
      --line:#e8dfd4;
      --brand:#2563eb;
      --brand2:#f97316;
      --brand3:#14b8a6;
      --shadow:0 18px 45px rgba(31,41,55,.08);
      --shadow2:0 10px 24px rgba(37,99,235,.12);
      --radius:22px;
      --container:1180px;
    }
    *{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",Arial,sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at top left, rgba(249,115,22,.10), transparent 25%),
        radial-gradient(circle at top right, rgba(37,99,235,.10), transparent 22%),
        radial-gradient(circle at 50% 0%, rgba(20,184,166,.08), transparent 28%),
        linear-gradient(180deg, #fffefc 0%, var(--bg) 100%);
    }
    a{color:var(--brand);text-decoration:none}
    a:hover{opacity:.92}
    .container{width:min(var(--container), calc(100% - 32px)); margin:0 auto}
    .site-header{
      position:sticky; top:0; z-index:50;
      backdrop-filter:saturate(180%) blur(18px);
      background:rgba(250,247,242,.78);
      border-bottom:1px solid rgba(232,223,212,.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 .logo-wrap{
      width:44px;height:44px;border-radius:14px;background:linear-gradient(135deg,#fff,#f6efe7);
      display:grid;place-items:center;border:1px solid var(--line); box-shadow:0 8px 18px rgba(31,41,55,.06);
      overflow:hidden; flex:0 0 auto;
    }
    .brand img{display:block;max-width:100%;height:auto}
    .brand-text{min-width:0}
    .brand-text strong{display:block;font-size:15px;letter-spacing:.4px}
    .brand-text span{display:block;font-size:12px;color:var(--muted);margin-top:2px}
    .nav-links{
      display:flex; align-items:center; gap:16px; flex-wrap:wrap; justify-content:flex-end;
      font-size:14px;
    }
    .nav-links a{color:var(--text);padding:8px 10px;border-radius:999px}
    .nav-links a:hover{background:#fff; box-shadow:0 6px 14px rgba(31,41,55,.06)}
    .nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
    .btn{
      display:inline-flex; align-items:center; justify-content:center; gap:8px;
      border:1px solid transparent; border-radius:999px; padding:11px 16px;
      font-weight:700; font-size:14px; cursor:pointer; transition:.24s ease;
      box-shadow:none; white-space:nowrap;
    }
    .btn:hover{transform:translateY(-1px); box-shadow:var(--shadow2)}
    .btn-primary{background:linear-gradient(135deg,var(--brand),#4f46e5);color:#fff}
    .btn-secondary{background:#fff;color:var(--text);border-color:var(--line)}
    .menu-btn{display:none;background:#fff;border:1px solid var(--line);color:var(--text)}
    .hero{
      padding:42px 0 18px;
    }
    .hero-grid{
      display:grid; grid-template-columns:1.15fr .85fr; gap:22px; align-items:stretch;
    }
    .hero-main{
      position:relative; overflow:hidden;
      background:
        linear-gradient(135deg, rgba(37,99,235,.11), rgba(249,115,22,.08) 45%, rgba(20,184,166,.08)),
        linear-gradient(180deg,#fff, #fffaf3);
      border:1px solid rgba(232,223,212,.9);
      border-radius:30px;
      padding:30px;
      box-shadow:var(--shadow);
    }
    .hero-main::before,.hero-main::after{
      content:""; position:absolute; border-radius:50%; pointer-events:none;
      background:radial-gradient(circle, rgba(37,99,235,.14), rgba(37,99,235,0) 70%);
    }
    .hero-main::before{width:180px;height:180px;right:-40px;top:-40px}
    .hero-main::after{width:140px;height:140px;left:-20px;bottom:-30px;background:radial-gradient(circle, rgba(249,115,22,.13), rgba(249,115,22,0) 70%)}
    .eyebrow{
      display:inline-flex; align-items:center; gap:8px;
      background:#fff; border:1px solid var(--line); border-radius:999px;
      padding:7px 12px; color:var(--muted); font-size:13px;
      box-shadow:0 8px 20px rgba(31,41,55,.05);
    }
    h1{font-size:clamp(30px, 5vw, 54px); line-height:1.08; margin:16px 0 14px; letter-spacing:-.02em}
    .hero p{margin:0;color:var(--muted);font-size:16px;line-height:1.85;max-width:62ch}
    .hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
    .hero-points{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:26px}
    .point{
      background:rgba(255,255,255,.8); border:1px solid rgba(232,223,212,.9);
      border-radius:18px; padding:14px 14px 12px;
    }
    .point b{display:block;font-size:18px}
    .point span{display:block;margin-top:4px;color:var(--muted);font-size:13px;line-height:1.5}
    .hero-side{
      display:grid; gap:16px;
    }
    .mini-panel, .panel{
      background:rgba(255,255,255,.9);
      border:1px solid rgba(232,223,212,.9);
      border-radius:26px; box-shadow:var(--shadow);
    }
    .mini-panel{padding:20px}
    .mini-title{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px}
    .mini-title h2,.section-title h2{margin:0;font-size:22px}
    .mini-title p,.section-title p{margin:8px 0 0;color:var(--muted);line-height:1.75}
    .stats{
      display:grid;grid-template-columns:repeat(2,1fr);gap:12px;
    }
    .stat{
      border-radius:18px;padding:16px;background:linear-gradient(180deg,#fff, #fffaf4);
      border:1px solid var(--line);
    }
    .stat strong{display:block;font-size:24px}
    .stat span{display:block;margin-top:4px;color:var(--muted);font-size:13px;line-height:1.5}
    .section{padding:18px 0}
    .section-title{margin-bottom:16px}
    .grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
    .card{
      background:var(--panel); border:1px solid rgba(232,223,212,.95);
      border-radius:24px; padding:20px; box-shadow:0 10px 24px rgba(31,41,55,.05);
      transition:transform .22s ease, box-shadow .22s ease, border-color .22s ease;
    }
    .card:hover{transform:translateY(-3px); box-shadow:var(--shadow); border-color:#d7c8b8}
    .card h3{margin:0 0 10px;font-size:18px}
    .card p{margin:0;color:var(--muted);line-height:1.8;font-size:14px}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .tag{
      padding:9px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);
      color:#334155;font-size:13px
    }
    .panel{padding:22px}
    .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .step{
      position:relative; padding:18px; border-radius:22px; background:linear-gradient(180deg,#fff, #fffaf4);
      border:1px solid var(--line);
    }
    .step .no{
      width:36px;height:36px;border-radius:12px;background:linear-gradient(135deg,var(--brand),var(--brand2));
      color:#fff;display:grid;place-items:center;font-weight:800;margin-bottom:12px
    }
    .step h3{margin:0 0 8px;font-size:17px}
    .step p{margin:0;color:var(--muted);font-size:14px;line-height:1.8}
    .table-wrap{overflow:auto;border-radius:22px;border:1px solid var(--line);background:#fff}
    table{width:100%;border-collapse:collapse;min-width:760px}
    th,td{padding:14px 16px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
    th{background:#fbf7f1;font-size:14px}
    td{color:#334155;font-size:14px;line-height:1.7}
    .badge{display:inline-flex;align-items:center;gap:6px;padding:6px 10px;border-radius:999px;font-size:12px;font-weight:700}
    .badge.good{background:#ecfdf5;color:#047857}
    .badge.warn{background:#fff7ed;color:#c2410c}
    .rating{
      display:grid;grid-template-columns:1.1fr .9fr;gap:14px
    }
    .score-box{
      padding:22px;border-radius:24px;background:linear-gradient(135deg,#fff, #fff7ef);border:1px solid var(--line)
    }
    .score-big{font-size:44px;font-weight:900;line-height:1}
    .stars{color:#f59e0b;font-size:18px;letter-spacing:2px;margin:10px 0}
    .reviews{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
    .review{
      padding:18px;border-radius:22px;background:#fff;border:1px solid var(--line)
    }
    .review h4{margin:0 0 8px;font-size:16px}
    .review p{margin:0;color:var(--muted);line-height:1.8;font-size:14px}
    .review .who{margin-top:12px;color:#0f172a;font-weight:700;font-size:13px}
    .faq{
      display:grid; gap:12px;
    }
    details{
      background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden
    }
    summary{
      list-style:none; cursor:pointer; padding:16px 18px; font-weight:700; color:#0f172a;
      display:flex;align-items:center;justify-content:space-between;gap:16px
    }
    summary::-webkit-details-marker{display:none}
    summary::after{content:"＋"; color:var(--brand); font-size:18px; transition:transform .2s ease}
    details[open] summary::after{content:"－"}
    details .answer{padding:0 18px 16px;color:var(--muted);line-height:1.85;font-size:14px}
    .articles{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
    .article{
      padding:18px;border-radius:22px;background:linear-gradient(180deg,#fff, #fffaf6);border:1px solid var(--line)
    }
    .article small{color:var(--brand);font-weight:700}
    .article h3{margin:10px 0 8px;font-size:17px}
    .article p{margin:0;color:var(--muted);line-height:1.8;font-size:14px}
    .contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;align-items:start}
    .form{
      display:grid;gap:12px
    }
    .field{display:grid;gap:7px}
    label{font-weight:700;font-size:14px;color:#0f172a}
    input,select,textarea{
      width:100%;border-radius:14px;border:1px solid #d9d0c4;background:#fff;padding:13px 14px;
      font:inherit;color:var(--text);outline:none;transition:border-color .2s ease, box-shadow .2s ease
    }
    input:focus,select:focus,textarea:focus{border-color:#93c5fd; box-shadow:0 0 0 4px rgba(59,130,246,.10)}
    textarea{min-height:132px;resize:vertical}
    .contact-box{
      display:grid;gap:14px
    }
    .contact-list{
      display:grid;gap:10px
    }
    .contact-item{
      display:flex;justify-content:space-between;gap:14px;align-items:center;
      padding:14px 16px;border:1px solid var(--line);border-radius:16px;background:#fff
    }
    .contact-item span{color:var(--muted);font-size:14px}
    .floating{
      position:fixed; right:16px; bottom:16px; z-index:60; display:grid; gap:10px
    }
    .float-btn{
      width:48px;height:48px;border-radius:50%;display:grid;place-items:center;
      background:linear-gradient(135deg,var(--brand),#4f46e5);color:#fff;box-shadow:var(--shadow2)
    }
    .footer{
      margin-top:20px; padding:22px 0 28px;
      background:#f5efe6; border-top:1px solid var(--line); color:#243041
    }
    .footer a{color:#1d4ed8}
    .footer-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:16px}
    .footer small{color:#526072;line-height:1.8}
    .mobile-menu{display:none}
    .anchor-offset{scroll-margin-top:92px}
    .muted{color:var(--muted)}
    .inline-list{display:grid;gap:8px;padding-left:18px;margin:0}
    .inline-list li{line-height:1.8;color:var(--muted)}
    .image-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .img-card{padding:14px;border-radius:22px;border:1px solid var(--line);background:#fff}
    .img-card img{width:100%;height:auto;border-radius:16px;display:block}
    @media (max-width: 1024px){
      .hero-grid,.rating,.contact-grid,.footer-grid,.grid-4,.grid-3,.steps,.reviews,.articles{grid-template-columns:1fr 1fr}
      .hero-points{grid-template-columns:1fr}
      .nav-links{display:none}
      .menu-btn{display:inline-flex}
      .mobile-menu{display:none;padding:0 0 14px}
      .mobile-menu.open{display:block}
      .mobile-menu a{display:block;padding:10px 0;color:var(--text);border-top:1px solid rgba(232,223,212,.7)}
    }
    @media (max-width: 720px){
      .container{width:min(var(--container), calc(100% - 22px))}
      .hero{padding-top:24px}
      .hero-main,.panel{padding:18px;border-radius:22px}
      h1{font-size:32px}
      .hero-grid,.rating,.contact-grid,.footer-grid,.grid-4,.grid-3,.steps,.reviews,.articles,.image-grid,.stats{grid-template-columns:1fr}
      .nav{padding:12px 0}
      .nav-actions .btn-secondary{display:none}
      .section{padding:14px 0}
    }
    .reveal{opacity:0;transform:translateY(14px);transition:.55s ease}
    .reveal.show{opacity:1;transform:none}