:root{
      --bg:#f6f7fb;
      --panel:#ffffff;
      --panel-2:#fff4f0;
      --line:#e7eaf0;
      --text:#172033;
      --muted:#5f6b86;
      --brand:#0f66ff;
      --accent:#ff4d6d;
      --accent-2:#ff9f1c;
      --soft:#ecf4ff;
      --shadow:0 18px 40px rgba(17,38,77,.08);
      --radius:20px;
      --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;color:var(--text);background:
      radial-gradient(circle at 10% 10%, rgba(255,77,109,.08), transparent 25%),
      radial-gradient(circle at 90% 20%, rgba(15,102,255,.08), transparent 22%),
      linear-gradient(180deg,#ffffff 0%,#f7f8fc 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}
    .topbar{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.82);backdrop-filter:blur(16px);border-bottom:1px solid rgba(231,234,240,.7)}
    .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 .mark{width:44px;height:44px;border-radius:14px;background:linear-gradient(135deg,var(--brand),var(--accent));display:grid;place-items:center;color:#fff;font-weight:800;box-shadow:0 10px 22px rgba(15,102,255,.22)}
    .brand .name{font-weight:800;letter-spacing:.5px}
    .brand .sub{font-size:12px;color:var(--muted)}
    .navlinks{display:flex;align-items:center;gap:14px;flex-wrap:wrap;justify-content:flex-end}
    .navlinks a{font-size:14px;color:#30405f;padding:8px 10px;border-radius:999px;transition:.25s}
    .navlinks a:hover,.navlinks a.active{background:var(--soft);color:var(--brand)}
    .nav-actions{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;cursor:pointer}
    .btn-primary{background:linear-gradient(135deg,var(--brand),#295cff);color:#fff;box-shadow:0 14px 28px rgba(15,102,255,.25)}
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 32px rgba(15,102,255,.3)}
    .btn-ghost{background:#fff;border-color:var(--line);color:var(--text)}
    .btn-ghost:hover{border-color:#b8c8ff;color:var(--brand);transform:translateY(-1px)}
    .menu-toggle{display:none;background:#fff;border:1px solid var(--line);border-radius:12px;padding:10px 12px}
    header.hero{padding:34px 0 18px}
    .hero-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:22px;align-items:stretch}
    .hero-main,.hero-side,.card,.section-block,.faq-item,.review,.price-box,.contact-box{background:var(--panel);border:1px solid rgba(231,234,240,.9);border-radius:var(--radius);box-shadow:var(--shadow)}
    .hero-main{padding:34px;position:relative;overflow:hidden;background:
      linear-gradient(135deg,rgba(15,102,255,.08),rgba(255,77,109,.06) 50%,rgba(255,159,28,.06));
      min-height:420px}
    .hero-main:before,.hero-main:after{content:"";position:absolute;border-radius:50%;filter:blur(2px);opacity:.9}
    .hero-main:before{width:260px;height:260px;right:-80px;top:-80px;background:radial-gradient(circle,rgba(255,77,109,.28),transparent 60%)}
    .hero-main:after{width:220px;height:220px;left:-60px;bottom:-70px;background:radial-gradient(circle,rgba(15,102,255,.25),transparent 60%)}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;background:#fff;border:1px solid rgba(15,102,255,.15);border-radius:999px;color:var(--brand);font-size:13px;font-weight:700}
    h1{font-size:clamp(30px,5vw,54px);line-height:1.08;margin:16px 0 14px;letter-spacing:-.6px}
    .hero-main p{font-size:17px;color:var(--muted);max-width:62ch;margin:0 0 22px}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:24px 0 22px}
    .hero-points{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
    .mini{padding:14px;background:rgba(255,255,255,.8);border:1px solid rgba(231,234,240,.8);border-radius:16px}
    .mini b{display:block;font-size:18px}
    .mini span{font-size:12px;color:var(--muted)}
    .hero-side{padding:22px;display:grid;gap:16px}
    .hero-side .stat{padding:16px;border-radius:18px;background:linear-gradient(180deg,#fff, #f9fbff);border:1px solid var(--line)}
    .stat .k{font-size:28px;font-weight:800;color:var(--brand)}
    .stat .t{font-size:13px;color:var(--muted)}
    .logo-box,.qrcode-box{padding:16px;border-radius:18px;background:var(--panel-2);border:1px solid #ffd9cd}
    .logo-box .row,.qrcode-box .row{display:flex;align-items:center;gap:12px}
    .logo-box img{width:68px}
    .qrcode-box img{width:122px;border-radius:12px}
    main{padding:10px 0 0}
    section{padding:18px 0}
    .section-title{display:flex;justify-content:space-between;align-items:end;gap:16px;margin:0 0 14px}
    .section-title h2{margin:0;font-size:28px}
    .section-title p{margin:0;color:var(--muted);max-width:62ch}
    .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:20px}
    .card h3{margin:0 0 8px;font-size:18px}
    .card p,.card li{color:var(--muted)}
    .tagcloud{display:flex;flex-wrap:wrap;gap:10px}
    .tagcloud span{padding:8px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:13px;color:#33405f}
    .steps{counter-reset:step}
    .step{padding:20px;position:relative}
    .step:before{counter-increment:step;content:counter(step,decimal-leading-zero);position:absolute;right:16px;top:14px;font-size:30px;font-weight:800;color:rgba(15,102,255,.12)}
    .step .ico{width:42px;height:42px;border-radius:14px;display:grid;place-items:center;background:linear-gradient(135deg,rgba(15,102,255,.12),rgba(255,77,109,.12));margin-bottom:10px}
    .table-wrap{overflow:auto;border-radius:18px;border:1px solid var(--line);background:#fff}
    table{width:100%;border-collapse:collapse;min-width:820px}
    th,td{padding:14px 14px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
    th{background:#f8fbff;color:#23304d}
    tr:hover td{background:#fcfdff}
    .rating{display:flex;align-items:center;gap:8px;color:#d97706;font-weight:800}
    .star{color:#ffb100}
    .compare-card{background:linear-gradient(180deg,#fff, #fff7f4)}
    .timeline{display:grid;gap:14px}
    .timeline-item{display:grid;grid-template-columns:110px 1fr;gap:12px;padding:16px;border:1px solid var(--line);border-radius:18px;background:#fff}
    .timeline-item b{color:var(--brand)}
    .case{display:grid;grid-template-columns:120px 1fr;gap:14px;align-items:start}
    .case img{width:120px;height:120px;object-fit:cover;border-radius:16px;border:1px solid var(--line)}
    .review .head{display:flex;justify-content:space-between;gap:10px;align-items:center;margin-bottom:8px}
    .review .name{font-weight:800}
    .review .role{font-size:13px;color:var(--muted)}
    .price-box{padding:20px;background:linear-gradient(135deg,#fff, #fff7fb)}
    .price-list{display:grid;gap:10px;margin-top:12px}
    .price-item{display:flex;justify-content:space-between;gap:14px;padding:12px 14px;border-radius:14px;background:#fff;border:1px solid var(--line)}
    .faq{display:grid;gap:12px}
    .faq-item{padding:0;overflow:hidden}
    .faq-q{width:100%;border:none;background:transparent;padding:18px 18px;text-align:left;font-size:16px;font-weight:800;color:var(--text);display:flex;justify-content:space-between;gap:12px;cursor:pointer}
    .faq-a{padding:0 18px 18px;color:var(--muted);display:none}
    .faq-item.open .faq-a{display:block}
    .faq-item.open .chev{transform:rotate(180deg)}
    .faq .chev{transition:.2s}
    .form-wrap{display:grid;grid-template-columns:1fr .88fr;gap:16px;align-items:start}
    form{padding:22px}
    .form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
    .field{display:grid;gap:8px}
    label{font-size:14px;font-weight:700}
    input,select,textarea{width:100%;border:1px solid var(--line);border-radius:14px;padding:12px 14px;font:inherit;background:#fff;color:var(--text);outline:none}
    textarea{min-height:124px;resize:vertical}
    input:focus,select:focus,textarea:focus{border-color:#9cb5ff;box-shadow:0 0 0 4px rgba(15,102,255,.08)}
    .submit-row{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin-top:12px}
    .aside-stack{display:grid;gap:16px}
    .contact-box{padding:22px;background:linear-gradient(180deg,#fff,#f8fbff)}
    .footer{margin-top:8px;padding:26px 0 28px;background:#0f1730;color:#e7ecff}
    .footer a{color:#b8cbff}
    .footer .container{display:grid;gap:16px}
    .footer-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:16px}
    .footer small{color:#b4bfdc}
    .floating{position:fixed;right:16px;bottom:16px;z-index:40;display:grid;gap:10px}
    .float-btn{width:50px;height:50px;border-radius:16px;display:grid;place-items:center;background:linear-gradient(135deg,var(--brand),var(--accent));color:#fff;box-shadow:0 14px 28px rgba(15,102,255,.25)}
    .backtop{background:#fff;color:var(--brand);border:1px solid var(--line)}
    .fade-up{opacity:0;transform:translateY(16px);transition:.6s ease}
    .fade-up.in{opacity:1;transform:none}
    .muted{color:var(--muted)}
    .article-list{display:grid;gap:12px}
    .article-item{padding:16px;border:1px solid var(--line);border-radius:16px;background:#fff;display:flex;justify-content:space-between;gap:16px;align-items:center}
    .article-item:hover{border-color:#cbd8ff;transform:translateY(-1px)}
    .pill{display:inline-flex;align-items:center;padding:6px 10px;border-radius:999px;background:rgba(255,77,109,.1);color:#c43a57;font-size:12px;font-weight:700}
    .mobile-only{display:none}
    @media (max-width: 980px){
      .hero-grid,.form-wrap,.footer-grid,.grid-4,.grid-3,.grid-2{grid-template-columns:1fr}
      .hero-main{min-height:auto}
      .navlinks{display:none}
      .menu-toggle{display:inline-flex}
      .nav.open .navlinks{display:flex;position:absolute;left:16px;right:16px;top:68px;background:#fff;border:1px solid var(--line);border-radius:18px;padding:12px;box-shadow:var(--shadow);flex-direction:column;align-items:flex-start}
      .nav.open{position:relative}
      .hero-points,.form-grid{grid-template-columns:1fr}
      .timeline-item,.case{grid-template-columns:1fr}
      .mobile-only{display:block}
    }