:root{
      --bg:#f7f4ef;
      --bg2:#fffaf4;
      --card:#ffffff;
      --card2:#fff6ea;
      --text:#1f2937;
      --muted:#5f6978;
      --line:#eadfce;
      --accent:#f15b2a;
      --accent2:#f3a000;
      --accent3:#2d6cdf;
      --shadow:0 14px 40px rgba(34,42,55,.08);
      --shadow2:0 10px 24px rgba(241,91,42,.16);
      --radius:22px;
      --radius2:16px;
      --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 15% 10%, rgba(241,91,42,.10), transparent 22%),
        radial-gradient(circle at 90% 12%, rgba(45,108,223,.10), transparent 20%),
        linear-gradient(180deg, #fbf8f3 0%, #f7f4ef 34%, #f6f1ea 100%);
      line-height:1.7;
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    .container{width:min(100% - 32px, var(--container)); margin:0 auto}
    .section{padding:72px 0}
    .section-tight{padding:52px 0}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--accent);background:rgba(241,91,42,.08);border:1px solid rgba(241,91,42,.14);padding:8px 12px;border-radius:999px}
    h1,h2,h3{margin:0 0 12px}
    h1{font-size:clamp(34px,5vw,58px);line-height:1.06;letter-spacing:-.03em}
    h2{font-size:clamp(26px,3vw,38px);line-height:1.15}
    h3{font-size:20px;line-height:1.25}
    p{margin:0;color:var(--muted)}
    .topbar{
      position:sticky;top:0;z-index:50;
      backdrop-filter:blur(14px);
      background:rgba(247,244,239,.82);
      border-bottom:1px solid rgba(234,223,206,.8);
    }
    .nav{
      display:flex;align-items:center;justify-content:space-between;gap:16px;
      min-height:76px;
    }
    .brand{display:flex;align-items:center;gap:12px;min-width:0}
    .brand img{width:44px;height:44px;object-fit:contain}
    .brand .name{font-weight:800;color:#172033;white-space:nowrap}
    .brand .sub{font-size:12px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
    .nav-links{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:10px}
    .nav-links a{
      font-size:14px;color:#344054;font-weight:600;padding:9px 12px;border-radius:999px;
      transition:.22s ease;background:transparent
    }
    .nav-links a:hover,.nav-links a.active{background:#fff;color:#111827;box-shadow:0 6px 18px rgba(31,41,55,.08)}
    .nav-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:14px;padding:12px 16px;font-weight:700;
      transition:.22s ease;cursor:pointer;white-space:nowrap
    }
    .btn-primary{background:linear-gradient(135deg,var(--accent),#ff7b42);color:#fff;box-shadow:var(--shadow2)}
    .btn-primary:hover{transform:translateY(-2px);filter:saturate(1.05)}
    .btn-light{background:#fff;color:#1d2a3a;border-color:var(--line)}
    .btn-light:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
    .menu-toggle{display:none;background:#fff;border:1px solid var(--line);border-radius:12px;padding:10px 12px}
    .hero{
      padding:52px 0 24px;
      position:relative;overflow:hidden;
    }
    .hero:before,.hero:after{
      content:"";position:absolute;border-radius:50%;filter:blur(10px);opacity:.85;pointer-events:none
    }
    .hero:before{width:280px;height:280px;background:radial-gradient(circle, rgba(241,91,42,.17), transparent 68%);top:-90px;right:-60px}
    .hero:after{width:260px;height:260px;background:radial-gradient(circle, rgba(45,108,223,.14), transparent 68%);left:-80px;bottom:-90px}
    .hero-grid{
      display:grid;grid-template-columns:1.18fr .82fr;gap:28px;align-items:stretch
    }
    .hero-card,.panel,.card,.price-card,.review,.faq-item,.article-item,.timeline-item,.compare-box,.form-card{
      background:rgba(255,255,255,.78);border:1px solid rgba(234,223,206,.9);box-shadow:var(--shadow);border-radius:var(--radius)
    }
    .hero-card{padding:34px;position:relative;overflow:hidden}
    .hero-card .lead{font-size:18px;max-width:46rem}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
    .hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
    .tag{display:inline-flex;align-items:center;gap:6px;padding:8px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:13px;color:#374151}
    .hero-side{display:grid;gap:16px}
    .mini-visual{padding:24px;background:linear-gradient(135deg,#111827 0%, #243247 55%, #3e1d33 100%);color:#fff;border-radius:var(--radius);position:relative;overflow:hidden}
    .mini-visual:before{
      content:"";position:absolute;inset:auto -30px -30px auto;width:170px;height:170px;background:radial-gradient(circle, rgba(241,91,42,.35), transparent 70%);
    }
    .mini-visual h3{color:#fff}
    .mini-visual p{color:rgba(255,255,255,.8)}
    .visual-stats{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:18px}
    .visual-stats .stat{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);border-radius:18px;padding:14px}
    .visual-stats strong{display:block;font-size:20px;color:#fff}
    .visual-stats span{font-size:12px;color:rgba(255,255,255,.78)}
    .side-stack{display:grid;grid-template-columns:1fr 1fr;gap:16px}
    .small-card{padding:18px}
    .small-card strong{font-size:22px;display:block;color:#18202f}
    .small-card span{font-size:13px;color:var(--muted)}
    .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:22px;transition:.22s ease}
    .card:hover,.review:hover,.article-item:hover,.faq-item:hover,.timeline-item:hover,.price-card:hover{transform:translateY(-3px);box-shadow:0 18px 42px rgba(34,42,55,.10)}
    .card .icon{
      width:44px;height:44px;border-radius:14px;display:grid;place-items:center;margin-bottom:14px;
      background:linear-gradient(135deg,rgba(241,91,42,.12),rgba(45,108,223,.12));color:#1d2a3a;font-weight:800
    }
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:22px}
    .section-head p{max-width:760px}
    .pill-row{display:flex;flex-wrap:wrap;gap:10px}
    .pill{padding:10px 14px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:13px;color:#334155}
    .module{padding:22px}
    .list{display:grid;gap:12px;margin:0;padding:0;list-style:none}
    .list li{display:flex;gap:10px;align-items:flex-start;color:#334155}
    .check{
      width:20px;height:20px;border-radius:50%;flex:none;margin-top:3px;
      background:linear-gradient(135deg,var(--accent),#ff9b3d);position:relative
    }
    .check:before{content:"";position:absolute;left:6px;top:5px;width:6px;height:3px;border-left:2px solid #fff;border-bottom:2px solid #fff;transform:rotate(-45deg)}
    .table-wrap{overflow-x:auto;border-radius:var(--radius);border:1px solid var(--line);background:#fff;box-shadow:var(--shadow)}
    table{width:100%;border-collapse:collapse;min-width:760px}
    th,td{padding:15px 16px;border-bottom:1px solid #f0e7d9;text-align:left;vertical-align:top}
    th{background:#fff8f2;color:#1f2937;font-size:14px}
    td{color:#374151;font-size:14px}
    .badge{display:inline-flex;align-items:center;padding:6px 10px;border-radius:999px;background:rgba(45,108,223,.10);color:#23407a;font-size:12px;font-weight:700}
    .badge.hot{background:rgba(241,91,42,.10);color:#a13d17}
    .timeline{display:grid;gap:14px}
    .timeline-item{padding:18px 18px 18px 20px;border-left:4px solid var(--accent);background:#fff}
    .timeline-item strong{display:block;margin-bottom:6px}
    .compare-box{padding:24px}
    .score{display:grid;grid-template-columns:auto 1fr;gap:16px;align-items:center}
    .score .num{font-size:48px;font-weight:900;line-height:1;color:var(--accent)}
    .stars{color:#ff9b1a;font-size:18px;letter-spacing:2px}
    .faq{display:grid;gap:12px}
    .faq-item{overflow:hidden;background:#fff}
    .faq-q{
      width:100%;display:flex;justify-content:space-between;align-items:center;gap:16px;padding:18px 20px;border:none;background:transparent;
      color:#172033;font-weight:700;font-size:16px;text-align:left;cursor:pointer
    }
    .faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease;padding:0 20px}
    .faq-item.open .faq-a{padding-bottom:18px;max-height:180px}
    .faq-q .mark{font-size:22px;color:var(--accent);transition:transform .22s ease}
    .faq-item.open .mark{transform:rotate(45deg)}
    .review .meta{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:12px}
    .review .role{font-size:13px;color:var(--muted)}
    .rating{color:#f59e0b;font-weight:800}
    .article-item{padding:18px;background:#fff}
    .article-item .date{font-size:12px;color:#8b93a2;margin-bottom:8px}
    .form-card{padding:24px}
    .form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    .field{display:grid;gap:8px}
    .field.full{grid-column:1 / -1}
    label{font-size:14px;font-weight:700;color:#243145}
    input,select,textarea{
      width:100%;border:1px solid #d8ccb8;background:#fff;border-radius:14px;padding:13px 14px;font:inherit;color:#1f2937;outline:none;
      transition:border-color .2s ease, box-shadow .2s ease
    }
    input:focus,select:focus,textarea:focus{border-color:rgba(241,91,42,.72);box-shadow:0 0 0 4px rgba(241,91,42,.10)}
    textarea{min-height:126px;resize:vertical}
    .footer{
      padding:28px 0 26px;border-top:1px solid rgba(234,223,206,.9);background:rgba(255,250,244,.9);color:#1f2937
    }
    .footer-grid{display:grid;grid-template-columns:1.2fr .8fr .9fr;gap:18px;align-items:start}
    .footer a{color:#20314d}
    .footer a:hover{color:var(--accent)}
    .footer small{color:#5e6878}
    .home-link{display:inline-flex}
    .home-link img{width:150px;height:auto}
    .fixed-tools{
      position:fixed;right:18px;bottom:18px;z-index:60;display:grid;gap:10px
    }
    .tool{
      width:48px;height:48px;border-radius:16px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);display:grid;place-items:center;
      color:#1f2937;font-weight:900
    }
    .tool:hover{transform:translateY(-2px)}
    .float-kefu{
      position:fixed;left:18px;bottom:18px;z-index:60;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:18px;padding:12px;display:flex;gap:12px;align-items:center
    }
    .float-kefu img{width:62px;height:62px;object-fit:cover;border-radius:12px;border:1px solid #eee}
    .float-kefu .txt{font-size:13px;color:#334155}
    .mobile-only{display:none}
    .section-bg{position:relative}
    .section-bg:before{
      content:"";position:absolute;inset:20px 0;border-radius:30px;background:linear-gradient(180deg,rgba(255,255,255,.45),rgba(255,255,255,.15));z-index:-1
    }
    .reveal{opacity:0;transform:translateY(14px);transition:.55s ease}
    .reveal.in{opacity:1;transform:none}
    @media (max-width: 1080px){
      .hero-grid,.grid-4,.footer-grid{grid-template-columns:1fr 1fr}
      .grid-3{grid-template-columns:1fr 1fr}
      .side-stack{grid-template-columns:1fr 1fr}
    }
    @media (max-width: 760px){
      .nav{flex-wrap:wrap;padding:12px 0}
      .nav-links{display:none;width:100%;padding:8px 0 12px}
      .nav-links.open{display:flex}
      .nav-cta{margin-left:auto}
      .menu-toggle{display:inline-flex}
      .hero{padding-top:26px}
      .hero-grid,.grid-4,.grid-3,.grid-2,.footer-grid,.form-grid,.side-stack{grid-template-columns:1fr}
      .hero-card,.module,.compare-box,.form-card{padding:20px}
      .section{padding:56px 0}
      .section-head{flex-direction:column;align-items:flex-start}
      .desktop-only{display:none}
      .mobile-only{display:block}
      .float-kefu{left:12px;right:12px;bottom:12px}
    }