:root{
      --bg:#f7f9fe;
      --bg2:#fff7ef;
      --card:#ffffff;
      --text:#16202d;
      --muted:#5f6b7a;
      --line:#e5ebf5;
      --primary:#ff4d5a;
      --primary2:#ff8a00;
      --accent:#1b72ff;
      --green:#16b57a;
      --shadow:0 18px 50px rgba(27, 50, 92, .12);
      --radius:22px;
      --radius-sm: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 10% 0%, rgba(255,138,0,.08), transparent 25%),
        radial-gradient(circle at 90% 10%, rgba(27,114,255,.10), transparent 28%),
        linear-gradient(180deg, #fbfcff 0%, #f7f9fe 42%, #fffdfa 100%);
    }
    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:50;
      background:rgba(247,249,254,.84);
      backdrop-filter:blur(14px);
      border-bottom:1px solid rgba(229,235,245,.85);
    }
    .nav-wrap{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 img{width:44px;height:44px;object-fit:contain;border-radius:12px;background:#fff;box-shadow:0 6px 20px rgba(0,0,0,.06);padding:6px}
    .brand strong{display:block;font-size:16px;line-height:1.1}
    .brand span{display:block;font-size:12px;color:var(--muted);margin-top:3px}
    .nav-toggle{display:none;border:1px solid var(--line);background:#fff;border-radius:14px;padding:10px 12px;color:var(--text)}
    .nav-menu{display:flex;align-items:center;gap:16px;flex-wrap:wrap;justify-content:flex-end}
    .nav-menu a{font-size:14px;color:var(--muted);padding:8px 10px;border-radius:999px;transition:.25s}
    .nav-menu a:hover,.nav-menu a:focus{color:var(--text);background:#fff;box-shadow:0 10px 24px rgba(27,50,92,.08)}
    .home-link{background:linear-gradient(135deg,var(--primary),var(--primary2));color:#fff !important;padding:10px 16px !important;box-shadow:0 12px 24px rgba(255,77,90,.22)}
    .home-link:hover{transform:translateY(-1px)}
    main{padding:22px 0 0}
    section{padding:44px 0}
    .hero{padding-top:20px}
    .hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:22px;align-items:stretch}
    .hero-card{
      position:relative;overflow:hidden;
      border-radius:28px;
      background:
        linear-gradient(135deg, rgba(255,77,90,.98), rgba(255,138,0,.96) 46%, rgba(27,114,255,.96));
      color:#fff;padding:34px;
      box-shadow:0 22px 60px rgba(255,77,90,.20);
    }
    .hero-card::before,.hero-card::after{
      content:"";position:absolute;border-radius:50%;background:rgba(255,255,255,.14);filter:blur(2px)
    }
    .hero-card::before{width:220px;height:220px;right:-70px;top:-60px}
    .hero-card::after{width:160px;height:160px;right:90px;bottom:-70px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.04em;font-weight:700;background:rgba(255,255,255,.15);padding:8px 12px;border-radius:999px}
    h1{margin:16px 0 14px;font-size:clamp(30px,5vw,54px);line-height:1.05;letter-spacing:-.03em}
    .lead{margin:0;color:rgba(255,255,255,.92);font-size:16px;line-height:1.8;max-width:52ch}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      padding:12px 18px;border-radius:14px;border:1px solid transparent;font-weight:700;
      transition:.25s;cursor:pointer;font-size:14px
    }
    .btn-primary{background:#fff;color:#c91c29;box-shadow:0 12px 28px rgba(0,0,0,.12)}
    .btn-secondary{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.22)}
    .btn:hover{transform:translateY(-2px)}
    .hero-metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:24px}
    .metric{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.18);border-radius:18px;padding:14px}
    .metric strong{display:block;font-size:20px;margin-bottom:4px}
    .metric span{display:block;font-size:12px;opacity:.88;line-height:1.45}
    .hero-side{display:grid;gap:14px}
    .glass-card{
      background:rgba(255,255,255,.84);border:1px solid rgba(229,235,245,.95);
      border-radius:24px;padding:22px;box-shadow:var(--shadow)
    }
    .glass-card h2,.section-title h2{margin:0 0 10px;font-size:26px;line-height:1.15}
    .sub{margin:0;color:var(--muted);line-height:1.75}
    .quick-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}
    .tag{padding:8px 12px;border-radius:999px;background:#f3f7ff;color:#234; border:1px solid #dfe7f7;font-size:13px}
    .section-head{display:flex;justify-content:space-between;gap:18px;align-items:flex-end;margin-bottom:20px}
    .section-kicker{color:var(--primary);font-weight:800;font-size:13px;letter-spacing:.08em;text-transform:uppercase}
    .section-title h2{font-size:30px}
    .section-title p{margin:8px 0 0;color:var(--muted);line-height:1.8;max-width:72ch}
    .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:var(--card);border:1px solid var(--line);border-radius:var(--radius);
      padding:22px;box-shadow:0 10px 28px rgba(24,44,78,.06);transition:.25s
    }
    .card:hover{transform:translateY(-4px);box-shadow:0 18px 34px rgba(24,44,78,.10)}
    .icon{
      width:48px;height:48px;border-radius:16px;display:grid;place-items:center;
      background:linear-gradient(135deg, rgba(255,77,90,.12), rgba(27,114,255,.12));color:#1f4dbf;font-weight:900;margin-bottom:14px
    }
    .card h3{margin:0 0 10px;font-size:18px}
    .card p,.card li{color:var(--muted);line-height:1.8}
    ul.clean{margin:0;padding-left:18px}
    .band{
      border-radius:28px;padding:24px;background:linear-gradient(135deg,#fff,#fff4ef 55%,#eef5ff);
      border:1px solid #f0e3db
    }
    .stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .stat{
      background:#fff;border:1px solid #eef1f7;border-radius:20px;padding:18px;
    }
    .stat strong{display:block;font-size:28px;line-height:1;color:#101828}
    .stat span{display:block;margin-top:8px;color:var(--muted);line-height:1.6;font-size:13px}
    .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .step{
      position:relative;background:#fff;border:1px solid var(--line);border-radius:22px;padding:20px
    }
    .step .num{font-weight:900;color:#fff;background:linear-gradient(135deg,var(--primary),var(--primary2));width:34px;height:34px;border-radius:12px;display:grid;place-items:center;margin-bottom:14px}
    .compare{
      overflow:auto;border-radius:24px;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow)
    }
    table{width:100%;border-collapse:collapse;min-width:860px}
    th,td{padding:16px 18px;border-bottom:1px solid #edf1f7;text-align:left;vertical-align:top}
    th{background:#f8fbff;color:#233142;font-size:14px}
    td{color:var(--muted);line-height:1.7}
    .badge{
      display:inline-flex;align-items:center;padding:6px 10px;border-radius:999px;font-size:12px;font-weight:700
    }
    .badge.good{background:#eafaf1;color:#11825a}
    .badge.hot{background:#fff0ef;color:#d43847}
    .faq details{
      background:#fff;border:1px solid var(--line);border-radius:18px;padding:16px 18px;box-shadow:0 8px 22px rgba(24,44,78,.05)
    }
    .faq details + details{margin-top:12px}
    .faq summary{cursor:pointer;font-weight:700;color:#1b2838;list-style:none}
    .faq summary::-webkit-details-marker{display:none}
    .faq p{margin:10px 0 0;color:var(--muted);line-height:1.8}
    .review{display:grid;gap:10px}
    .review .meta{display:flex;justify-content:space-between;gap:12px;align-items:center}
    .stars{color:#ff9f0a;letter-spacing:2px;font-size:14px}
    .avatar{
      width:44px;height:44px;border-radius:15px;background:linear-gradient(135deg,#ff4d5a,#1b72ff);color:#fff;display:grid;place-items:center;font-weight:900
    }
    .review-head{display:flex;gap:12px;align-items:center}
    .review p{margin:0;color:var(--muted);line-height:1.8}
    .timeline{display:grid;gap:12px}
    .timeline-item{display:grid;grid-template-columns:120px 1fr;gap:14px;align-items:start;padding:16px 18px;background:#fff;border:1px solid var(--line);border-radius:18px}
    .timeline-item strong{color:#0f172a}
    .timeline-item span{color:var(--muted);line-height:1.7}
    .articles{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .article a{display:block;font-weight:700;color:#132238;margin-bottom:8px}
    .article small{color:var(--muted)}
    .form-wrap{display:grid;grid-template-columns:1fr .8fr;gap:16px;align-items:start}
    form{display:grid;gap:12px}
    .field-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
    input,select,textarea{
      width:100%;border:1px solid #dfe6f2;background:#fff;border-radius:14px;padding:13px 14px;
      font:inherit;color:var(--text);outline:none;transition:.2s
    }
    textarea{min-height:126px;resize:vertical}
    input:focus,select:focus,textarea:focus{border-color:#8ab1ff;box-shadow:0 0 0 4px rgba(27,114,255,.10)}
    .submit-btn{background:linear-gradient(135deg,var(--primary),var(--primary2));color:#fff;border:none;padding:14px 18px;border-radius:14px;font-weight:800}
    .contact-box{background:linear-gradient(180deg,#fff,#f8fbff);border:1px solid var(--line);border-radius:24px;padding:22px}
    .contact-list{display:grid;gap:12px;margin-top:16px}
    .contact-item{display:flex;justify-content:space-between;gap:16px;border-bottom:1px dashed #e6ebf4;padding-bottom:12px}
    .contact-item:last-child{border-bottom:none;padding-bottom:0}
    .contact-item b{color:#102033}
    .contact-item span{color:var(--muted)}
    .footer{
      padding:26px 0 30px;border-top:1px solid #e6eaf2;background:#f8fbff;color:#203040
    }
    .footer-grid{display:grid;grid-template-columns:1.2fr .8fr 1fr;gap:18px;align-items:start}
    .footer a{color:#1b72ff}
    .footer p,.footer li{color:#5d6878;line-height:1.8}
    .footer ul{margin:0;padding-left:18px}
    .floating{
      position:fixed;right:16px;bottom:16px;z-index:60;display:grid;gap:10px
    }
    .float-btn{
      display:flex;align-items:center;justify-content:center;gap:8px;
      width:52px;height:52px;border-radius:18px;background:#fff;border:1px solid var(--line);
      box-shadow:0 10px 24px rgba(24,44,78,.12);color:#1d2a3b
    }
    .float-btn.primary{background:linear-gradient(135deg,var(--primary),var(--primary2));color:#fff;border:none}
    .floating-panel{
      position:absolute;right:64px;bottom:0;width:280px;background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow);padding:16px;display:none
    }
    .floating-panel.open{display:block}
    .floating-panel img{width:100%;border-radius:16px}
    .floating-panel p{margin:10px 0 0;color:var(--muted);font-size:13px;line-height:1.7}
    .fade-up{opacity:0;transform:translateY(18px);transition:.6s ease}
    .fade-up.show{opacity:1;transform:translateY(0)}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .tag-cloud .tag{background:#fff;border:1px solid #e4eaf6}
    .mini-links{display:flex;flex-wrap:wrap;gap:10px}
    .mini-links a{padding:8px 12px;border-radius:12px;background:#fff;border:1px solid #e4eaf6;color:#234}
    .image-strip{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    .image-strip img,.square-img{width:100%;border-radius:20px;object-fit:cover;border:1px solid #eef1f7;box-shadow:0 10px 26px rgba(24,44,78,.08)}
    .square-img{aspect-ratio:1/1}
    .rating{
      display:flex;align-items:center;gap:12px;padding:14px 16px;border-radius:18px;background:#fff5f5;border:1px solid #ffd8da
    }
    .rating strong{font-size:24px;color:#c81e2b}
    .pricing{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .price{background:#fff;border:1px solid var(--line);border-radius:22px;padding:22px}
    .price h3{margin:0 0 8px}
    .price .amount{font-size:30px;font-weight:900;color:#101828}
    .price .amount small{font-size:14px;color:var(--muted);font-weight:600}
    @media (max-width: 980px){
      .hero-grid,.form-wrap,.footer-grid,.grid-3,.grid-2,.articles,.pricing,.steps,.stats,.hero-metrics{grid-template-columns:1fr 1fr}
      .hero-grid{grid-template-columns:1fr}
      .timeline-item{grid-template-columns:1fr}
      .nav-toggle{display:inline-flex}
      .nav-menu{display:none;width:100%;padding:12px 0 4px}
      .nav-menu.open{display:flex}
      .nav-wrap{flex-wrap:wrap}
    }
    @media (max-width: 640px){
      section{padding:34px 0}
      .hero-card{padding:24px}
      .hero-metrics,.grid-3,.grid-2,.articles,.pricing,.steps,.stats,.field-grid,.footer-grid,.form-wrap{grid-template-columns:1fr}
      .section-head{flex-direction:column;align-items:flex-start}
      .nav-menu{gap:8px}
      .nav-menu a{padding:8px 10px}
      .floating-panel{width:240px}
      .compare{margin-right:-16px}
      .container{width:min(var(--container), calc(100% - 24px))}
    }