:root{--bg:#f6f8fc;--card:#ffffff;--card2:#fdfefe;--text:#142033;--muted:#5f6d82;--line:#dce4ef;--pri:#1b6fff;--pri2:#00b8d9;--acc:#ffb000;--shadow:0 18px 50px rgba(18,33,61,.08);--radius:20px}
    *{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 top,#eef5ff 0,#f6f8fc 38%,#f7f8fb 100%)} img{max-width:100%;display:block} a{color:inherit;text-decoration:none}
    .container{width:min(1180px,calc(100% - 32px));margin:0 auto}
    header{position:sticky;top:0;z-index:50;background:rgba(247,248,251,.88);backdrop-filter:blur(16px);border-bottom:1px solid rgba(220,228,239,.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 img{width:42px;height:42px;object-fit:contain;border-radius:12px;background:#fff;padding:4px;border:1px solid var(--line)}
    .brand strong{display:block;font-size:16px;line-height:1.2}
    .brand span{display:block;font-size:12px;color:var(--muted)}
    .menu{display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:flex-end}
    .menu a{padding:8px 12px;border-radius:999px;color:var(--muted);font-size:14px;transition:.2s;background:transparent}
    .menu a:hover,.menu a.active{color:var(--pri);background:#eaf2ff}
    .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;cursor:pointer;transition:.2s;white-space:nowrap}
    .btn-primary{background:linear-gradient(135deg,var(--pri),#4f8dff);color:#fff;box-shadow:0 12px 30px rgba(27,111,255,.24)}
    .btn-secondary{background:#fff;color:var(--text);border-color:var(--line)}
    .btn:hover{transform:translateY(-2px);box-shadow:0 14px 24px rgba(18,33,61,.12)}
    .mobile-toggle{display:none;width:44px;height:44px;border:1px solid var(--line);background:#fff;border-radius:14px;align-items:center;justify-content:center}
    .mobile-toggle span,.mobile-toggle span:before,.mobile-toggle span:after{content:"";display:block;width:18px;height:2px;background:var(--text);border-radius:2px;position:relative}
    .mobile-toggle span:before{position:absolute;top:-6px}.mobile-toggle span:after{position:absolute;top:6px}
    .hero{padding:42px 0 24px;position:relative;overflow:hidden}
    .hero::before,.hero::after{content:"";position:absolute;inset:auto;pointer-events:none;border-radius:50%}
    .hero::before{width:320px;height:320px;right:-120px;top:-100px;background:radial-gradient(circle,rgba(27,111,255,.15),transparent 70%)}
    .hero::after{width:260px;height:260px;left:-80px;bottom:-90px;background:radial-gradient(circle,rgba(0,184,217,.14),transparent 70%)}
    .hero-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:24px;align-items:stretch}
    .hero-copy{padding:22px 0}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;background:#eaf2ff;color:var(--pri);font-weight:700;font-size:13px;margin-bottom:14px}
    h1{margin:0 0 14px;font-size:clamp(32px,5vw,54px);line-height:1.05;letter-spacing:-.03em}
    .hero p{margin:0;color:var(--muted);font-size:17px;line-height:1.8;max-width:60ch}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:22px 0 20px}
    .mini-tags{display:flex;flex-wrap:wrap;gap:10px}
    .mini-tags span{padding:8px 12px;border-radius:999px;background:rgba(255,255,255,.8);border:1px solid var(--line);color:#33425c;font-size:13px}
    .hero-card{background:linear-gradient(180deg,#fff,#f7fbff);border:1px solid #dfe8f5;border-radius:var(--radius);box-shadow:var(--shadow);padding:22px;display:flex;flex-direction:column;gap:16px}
    .hero-card .score{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
    .stat{padding:16px;border-radius:16px;background:#f8fbff;border:1px solid #e5eef8}
    .stat b{display:block;font-size:24px;margin-bottom:4px}
    .stat span{font-size:13px;color:var(--muted)}
    .panel-title{font-size:16px;font-weight:800;margin:0}
    section{padding:18px 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:16px}
    .section-head h2{margin:0;font-size:28px;line-height:1.15}
    .section-head p{margin:0;color:var(--muted);max-width:60ch}
    .grid{display:grid;gap:16px}
    .cols-4{grid-template-columns:repeat(4,1fr)}
    .cols-3{grid-template-columns:repeat(3,1fr)}
    .cols-2{grid-template-columns:repeat(2,1fr)}
    .card{background:var(--card);border:1px solid var(--line);border-radius:22px;box-shadow:0 10px 30px rgba(19,36,68,.05);padding:20px;transition:.24s}
    .card:hover{transform:translateY(-4px);box-shadow:0 18px 38px rgba(19,36,68,.09)}
    .icon{width:48px;height:48px;border-radius:14px;background:linear-gradient(135deg,#eaf2ff,#f3fbff);display:grid;place-items:center;margin-bottom:14px;color:var(--pri);font-weight:900}
    .card h3{margin:0 0 10px;font-size:18px}
    .card p{margin:0;color:var(--muted);line-height:1.75}
    .list{display:grid;gap:10px;margin:0;padding:0;list-style:none}
    .list li{display:flex;gap:10px;align-items:flex-start;color:#2f3d54;line-height:1.7}
    .list li::before{content:"•";color:var(--pri);font-weight:900}
    .pill-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .pill-cloud span{padding:10px 12px;border-radius:14px;background:#f4f7fb;border:1px solid var(--line);font-size:13px;color:#304057}
    .table-wrap{overflow:auto;border-radius:20px;border:1px solid var(--line);background:#fff}
    table{width:100%;border-collapse:collapse;min-width:780px}
    th,td{padding:14px 16px;border-bottom:1px solid #edf2f7;text-align:left;vertical-align:top}
    th{background:#f7faff;color:#1a2740;font-size:14px}
    td{color:#415066}
    .rating{color:#ff9b00;font-weight:800}
    .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .step{position:relative;overflow:hidden}
    .step .num{font-size:12px;font-weight:800;color:var(--pri);letter-spacing:.12em;text-transform:uppercase;margin-bottom:10px}
    .step b{display:block;margin-bottom:8px;font-size:18px}
    .step::after{content:"";position:absolute;inset:auto -18px -18px auto;width:92px;height:92px;border-radius:50%;background:radial-gradient(circle,rgba(27,111,255,.1),transparent 70%)}
    .faq details{background:#fff;border:1px solid var(--line);border-radius:18px;padding:0 18px;box-shadow:0 8px 24px rgba(19,36,68,.04)}
    .faq summary{cursor:pointer;list-style:none;padding:16px 0;font-weight:700}
    .faq summary::-webkit-details-marker{display:none}
    .faq .answer{padding:0 0 16px;color:var(--muted);line-height:1.8}
    .quotes{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .quote{position:relative}
    .quote .who{margin-top:14px;color:var(--pri);font-weight:800}
    .quote .role{color:var(--muted);font-size:13px;margin-top:4px}
    .articles{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .article-card time{display:inline-block;font-size:12px;color:var(--muted);margin-bottom:10px}
    .form-wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:18px}
    form{display:grid;gap:12px}
    label{font-size:14px;font-weight:700;color:#22324b}
    input,select,textarea{width:100%;padding:13px 14px;border-radius:14px;border:1px solid #d8e1ee;background:#fff;color:var(--text);font:inherit;outline:none}
    input:focus,select:focus,textarea:focus{border-color:#86b1ff;box-shadow:0 0 0 4px rgba(27,111,255,.08)}
    textarea{min-height:124px;resize:vertical}
    .footer-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:16px}
    footer{margin-top:18px;padding:18px 0 26px;background:#0f1724;color:#dbe5f3}
    footer a{color:#ffffff}
    footer .card{background:rgba(255,255,255,.04);border-color:rgba(255,255,255,.08);box-shadow:none}
    .floating{position:fixed;right:16px;bottom:16px;z-index:60;display:grid;gap:10px}
    .floating a,.floating button{width:52px;height:52px;border:none;border-radius:16px;display:grid;place-items:center;box-shadow:0 14px 34px rgba(15,23,36,.2);cursor:pointer}
    .floating .chat{background:linear-gradient(135deg,#ffcc4d,#ff9f1c);color:#fff}
    .floating .top{background:linear-gradient(135deg,#1b6fff,#4f8dff);color:#fff}
    .mobile-panel{display:none}
    .muted{color:var(--muted)}
    .center{text-align:center}
    .split{display:flex;justify-content:space-between;gap:16px;align-items:center}
    .badge{display:inline-flex;padding:6px 10px;border-radius:999px;background:#fff3d8;color:#9c6500;font-size:12px;font-weight:800}
    .image-row{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
    .image-row img,.square-image img{border-radius:18px;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow)}
    .timeline{display:grid;gap:14px}
    .time-item{display:grid;grid-template-columns:92px 1fr;gap:16px;align-items:start;padding:16px;border-radius:18px;background:#fff;border:1px solid var(--line)}
    .time-item strong{color:var(--pri)}
    .anchor{scroll-margin-top:92px}
    @media (max-width: 980px){
      .hero-grid,.form-wrap,.footer-grid,.cols-4,.cols-3,.quotes,.articles,.steps{grid-template-columns:1fr}
      .menu{display:none}
      .mobile-toggle{display:inline-flex}
      .mobile-panel.active{display:grid;gap:8px;padding:0 0 16px}
      .mobile-panel a{padding:10px 12px;border-radius:12px;background:#fff;border:1px solid var(--line);color:#22324b}
      .section-head,.split{flex-direction:column;align-items:flex-start}
      .time-item{grid-template-columns:1fr}
      .image-row{grid-template-columns:1fr}
    }