:root{
      --bg:#f7f4ff;
      --bg2:#fbf9ff;
      --card:#ffffff;
      --card2:#f3efff;
      --text:#1d2433;
      --muted:#5e6473;
      --brand:#7b4dff;
      --brand2:#b13cff;
      --brand3:#5b7cff;
      --line:#e5def7;
      --shadow:0 18px 50px rgba(80, 37, 180, .12);
      --shadow2:0 12px 28px rgba(77, 52, 160, .12);
      --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 top left, rgba(123,77,255,.13), transparent 28%),
        radial-gradient(circle at 90% 10%, rgba(177,60,255,.12), transparent 22%),
        linear-gradient(180deg, #fbf8ff 0%, #f8f5ff 45%, #fdfcff 100%);
      line-height:1.7;
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    .container{width:min(var(--container), calc(100% - 32px)); margin:0 auto}
    .topbar{
      position:sticky; top:0; z-index:80;
      backdrop-filter: blur(14px);
      background:rgba(255,255,255,.74);
      border-bottom:1px solid rgba(229,222,247,.85);
    }
    .nav{
      display:flex; align-items:center; justify-content:space-between; gap:16px;
      min-height:74px;
    }
    .brand{display:flex; align-items:center; gap:12px; min-width:0}
    .brand img{width:42px;height:42px;object-fit:contain}
    .brand strong{display:block; font-size:18px; line-height:1.1}
    .brand span{display:block; font-size:12px; color:var(--muted)}
    .nav-links{
      display:flex; flex-wrap:wrap; justify-content:flex-end; gap:10px 14px; align-items:center;
    }
    .nav-links a{
      font-size:14px; color:#2b3140; padding:8px 10px; border-radius:999px;
      transition:.22s ease;
    }
    .nav-links a:hover{background:#f0eaff;color:var(--brand)}
    .nav-cta{display:flex; align-items:center; gap:10px}
    .btn{
      display:inline-flex; align-items:center; justify-content:center; gap:8px;
      border:0; cursor:pointer; border-radius:999px; padding:12px 18px;
      font-weight:700; transition:.25s ease; box-shadow:none;
      white-space:nowrap;
    }
    .btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand2)); color:#fff; box-shadow:0 14px 28px rgba(123,77,255,.25)}
    .btn-primary:hover{transform:translateY(-2px); box-shadow:0 18px 34px rgba(123,77,255,.34)}
    .btn-ghost{background:#fff;border:1px solid var(--line); color:var(--text)}
    .btn-ghost:hover{border-color:#c6b6ff; color:var(--brand); transform:translateY(-2px)}
    .menu-btn{display:none;background:#fff;border:1px solid var(--line); border-radius:14px; width:44px; height:44px}
    .menu-btn span{display:block; width:18px; height:2px; background:#2b3140; margin:4px auto; border-radius:999px}
    header.hero{padding:28px 0 12px}
    .hero-grid{
      display:grid; grid-template-columns:1.2fr .8fr; gap:22px; align-items:stretch;
    }
    .hero-main{
      position:relative; overflow:hidden; border-radius:28px; padding:34px;
      background:
        linear-gradient(135deg, rgba(123,77,255,.12), rgba(255,255,255,.92) 48%, rgba(177,60,255,.08)),
        linear-gradient(180deg, #fff, #fbf8ff);
      border:1px solid rgba(215,204,250,.9);
      box-shadow:var(--shadow);
    }
    .hero-main:before,.hero-main:after{
      content:""; position:absolute; border-radius:50%; filter:blur(2px); pointer-events:none;
    }
    .hero-main:before{width:220px;height:220px; right:-90px; top:-70px; background:radial-gradient(circle, rgba(123,77,255,.16), transparent 68%)}
    .hero-main:after{width:160px;height:160px; right:100px; bottom:-80px; background:radial-gradient(circle, rgba(177,60,255,.14), transparent 68%)}
    .eyebrow{
      display:inline-flex; align-items:center; gap:8px; padding:8px 14px; border-radius:999px;
      background:rgba(123,77,255,.09); color:var(--brand); font-weight:700; font-size:13px;
      border:1px solid rgba(123,77,255,.16);
    }
    h1{font-size:clamp(32px, 5vw, 54px); line-height:1.08; margin:16px 0 14px; letter-spacing:-.02em}
    .hero-main p{margin:0; color:var(--muted); font-size:16px; max-width:60ch}
    .hero-actions{display:flex; gap:12px; flex-wrap:wrap; margin-top:24px}
    .hero-tags{display:flex; flex-wrap:wrap; gap:10px; margin-top:22px}
    .tag{padding:8px 12px; border-radius:999px; background:#f4efff; border:1px solid #e1d8ff; color:#4a3d8f; font-size:13px}
    .hero-side{
      display:grid; gap:16px;
    }
    .mini-panel{
      background:rgba(255,255,255,.88);
      border:1px solid var(--line); border-radius:24px; padding:20px;
      box-shadow:var(--shadow2);
    }
    .mini-panel h2{font-size:18px; margin:0 0 12px}
    .metric-grid{display:grid; grid-template-columns:repeat(2,1fr); gap:12px}
    .metric{
      padding:16px; border-radius:18px; background:linear-gradient(180deg,#fff,#f7f4ff);
      border:1px solid #e8e1fb;
    }
    .metric strong{display:block; font-size:24px; color:var(--brand)}
    .metric span{font-size:13px; color:var(--muted)}
    main{padding:22px 0 28px}
    section{padding:18px 0}
    .section-card{
      background:rgba(255,255,255,.86);
      border:1px solid rgba(229,222,247,.95);
      border-radius:28px;
      box-shadow:var(--shadow2);
      overflow:hidden;
    }
    .section-head{
      display:flex; align-items:end; justify-content:space-between; gap:16px;
      padding:26px 26px 0;
    }
    .section-head h2{margin:0; font-size:28px}
    .section-head p{margin:0; color:var(--muted); max-width:70ch}
    .section-body{padding:22px 26px 26px}
    .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{
      background:linear-gradient(180deg, #fff, #fbf9ff);
      border:1px solid #e8e1fb; border-radius:22px; padding:20px;
      box-shadow:0 8px 22px rgba(107,74,199,.08); transition:.25s ease;
    }
    .card:hover{transform:translateY(-3px); box-shadow:0 14px 26px rgba(107,74,199,.12)}
    .card h3{margin:0 0 10px; font-size:18px}
    .card p,.card li{color:var(--muted)}
    .card ul{margin:0; padding-left:18px}
    .steps{display:grid; grid-template-columns:repeat(4,1fr); gap:14px}
    .step{
      padding:18px; border-radius:20px; background:linear-gradient(180deg,#fff,#f8f5ff);
      border:1px solid #e6ddfb; position:relative;
    }
    .step .num{
      display:inline-flex; width:34px; height:34px; align-items:center; justify-content:center;
      border-radius:50%; background:linear-gradient(135deg,var(--brand),var(--brand2)); color:#fff; font-weight:800; margin-bottom:12px;
    }
    .compare{
      overflow:auto; border-radius:20px; border:1px solid #eadfff; background:#fff;
    }
    table{width:100%; border-collapse:collapse; min-width:760px}
    th,td{padding:16px; border-bottom:1px solid #f0ebfc; text-align:left; vertical-align:top}
    th{background:#f8f4ff; color:#342b63}
    .score{
      display:grid; grid-template-columns:1fr 1fr; gap:16px;
    }
    .scorebox{
      padding:22px; border-radius:22px; background:linear-gradient(135deg, rgba(123,77,255,.11), rgba(255,255,255,.95));
      border:1px solid #e0d5fb;
    }
    .scorebox .big{font-size:42px; font-weight:900; color:var(--brand); line-height:1}
    .stars{color:#f1a93a; letter-spacing:2px; font-size:22px}
    .pill-list{display:flex; flex-wrap:wrap; gap:10px}
    .pill{padding:9px 13px; border-radius:999px; background:#f4efff; border:1px solid #e2d8ff; color:#483c8f; font-size:13px}
    .media-grid{display:grid; grid-template-columns:repeat(4,1fr); gap:14px}
    .media-grid img{
      width:100%; aspect-ratio:1/1; object-fit:cover; border-radius:18px; border:1px solid #e8e1fb; background:#fff;
    }
    .wide-media{display:grid; grid-template-columns:repeat(2,1fr); gap:14px}
    .wide-media img{
      width:100%; aspect-ratio:16/9; object-fit:cover; border-radius:18px; border:1px solid #e8e1fb;
    }
    .quote-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:16px}
    .quote{
      background:linear-gradient(180deg,#fff,#faf7ff); border:1px solid #e8e1fb; border-radius:22px; padding:20px;
    }
    .quote strong{display:block; margin-top:12px}
    .article-list{display:grid; grid-template-columns:repeat(2,1fr); gap:14px}
    .article{
      display:flex; gap:14px; padding:16px; border-radius:18px; border:1px solid #eadfff; background:#fff;
    }
    .article time{display:block; font-size:12px; color:var(--brand)}
    .article a{color:var(--text); font-weight:700}
    .faq details{
      background:#fff; border:1px solid #e7defb; border-radius:18px; padding:0 18px; overflow:hidden;
    }
    .faq details+details{margin-top:12px}
    .faq summary{
      list-style:none; cursor:pointer; padding:18px 0; font-weight:700; display:flex; justify-content:space-between; gap:10px;
    }
    .faq summary::-webkit-details-marker{display:none}
    .faq summary:after{content:"＋"; color:var(--brand); font-weight:900}
    .faq details[open] summary:after{content:"－"}
    .faq .answer{padding:0 0 18px; color:var(--muted)}
    .form-grid{display:grid; grid-template-columns:1fr 1fr; gap:14px}
    .field{display:flex; flex-direction:column; gap:8px}
    label{font-size:14px; font-weight:700}
    input,select,textarea{
      width:100%; border:1px solid #ddd3fb; border-radius:14px; padding:13px 14px; font:inherit; color:var(--text); background:#fff;
      outline:none; transition:.2s ease;
    }
    input:focus,select:focus,textarea:focus{border-color:#b79cff; box-shadow:0 0 0 4px rgba(123,77,255,.08)}
    textarea{min-height:120px; resize:vertical}
    .full{grid-column:1/-1}
    footer{
      margin-top:22px; padding:24px 0 26px; background:#f5efff; border-top:1px solid #e1d8fb; color:#293041;
    }
    .footer-grid{display:grid; grid-template-columns:1.2fr .8fr; gap:18px; align-items:start}
    .footer-links{display:flex; flex-wrap:wrap; gap:10px}
    .footer-links a{padding:8px 12px; border-radius:999px; background:#fff; border:1px solid #e3d7ff; color:#3b3370}
    .copyright{margin-top:14px; font-size:13px; color:#5c6473}
    .floating{
      position:fixed; right:16px; bottom:16px; z-index:90; display:flex; flex-direction:column; gap:10px;
    }
    .floating a,.floating button{
      width:52px; height:52px; border-radius:16px; display:flex; align-items:center; justify-content:center;
      border:1px solid #e1d8fb; background:#fff; box-shadow:0 12px 24px rgba(94,56,189,.16); cursor:pointer;
    }
    .floating svg{width:22px;height:22px;fill:var(--brand)}
    .float-card{
      width:290px; background:#fff; border:1px solid #e6ddfb; border-radius:22px; padding:16px; box-shadow:var(--shadow);
      position:absolute; right:0; bottom:62px; display:none;
    }
    .float-card.show{display:block}
    .float-card img{width:110px; height:110px; object-fit:cover; border-radius:16px; border:1px solid #e8e1fb}
    .float-card .row{display:flex; gap:14px; align-items:center}
    .scroll-animate{opacity:0; transform:translateY(16px); transition:.65s ease}
    .scroll-animate.in{opacity:1; transform:translateY(0)}
    .mobile-only{display:none}
    .home-link{font-weight:700}
    @media (max-width: 980px){
      .hero-grid,.grid-3,.grid-2,.steps,.quote-grid,.footer-grid,.score,.media-grid,.wide-media,.article-list{grid-template-columns:1fr}
      .section-head{flex-direction:column; align-items:flex-start}
      .nav-links{display:none}
      .menu-btn{display:inline-flex; align-items:center; justify-content:center; flex-direction:column}
      .nav.open .nav-links{
        display:flex; position:absolute; left:16px; right:16px; top:74px; padding:14px; border-radius:22px;
        background:#fff; border:1px solid #e5def7; box-shadow:var(--shadow); flex-direction:column; align-items:flex-start;
      }
      .nav{position:relative}
      .hero-main{padding:26px}
      .mobile-only{display:block}
      .desktop-only{display:none}
      .form-grid{grid-template-columns:1fr}
      table{min-width:680px}
    }