:root{--bg:#f6f3ff;--bg2:#fffaf7;--card:#ffffff;--text:#1f2430;--muted:#5d6472;--pri:#7b4dff;--pri2:#b04cff;--line:#e8defe;--shadow:0 18px 40px rgba(85,48,170,.12);--radius:22px}
    *{box-sizing:border-box} html{scroll-behavior:smooth} body{margin:0;font-family:Arial,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;color:var(--text);background:linear-gradient(180deg,#fcfaff 0%,#f6f3ff 38%,#fff 100%);line-height:1.65}
    a{color:inherit;text-decoration:none} img{max-width:100%;display:block}
    .container{width:min(1180px,calc(100% - 32px));margin:0 auto}
    .site-header{position:sticky;top:0;z-index:30;background:rgba(255,255,255,.82);backdrop-filter:blur(14px);border-bottom:1px solid rgba(123,77,255,.12)}
    .nav{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 0}
    .brand{display:flex;align-items:center;gap:12px;font-weight:700}
    .brand img{width:42px;height:42px;object-fit:contain;border-radius:12px;background:#fff;border:1px solid var(--line);padding:4px}
    .navlinks{display:flex;align-items:center;gap:18px;flex-wrap:wrap;justify-content:flex-end}
    .navlinks a{font-size:14px;color:var(--muted)}
    .navlinks a:hover{color:var(--pri)}
    .menu-btn{display:none;border:1px solid var(--line);background:#fff;border-radius:12px;padding:10px 12px;color:var(--text)}
    .hero{padding:28px 0 18px}
    .hero-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:22px;align-items:stretch}
    .hero-main,.hero-side,.section-card,.form-card,.faq-item,.review-card,.article-card,.case-card,.price-card,.timeline-card,.network-card,.compare-card{background:var(--card);border:1px solid rgba(123,77,255,.12);border-radius:var(--radius);box-shadow:var(--shadow)}
    .hero-main{padding:34px;position:relative;overflow:hidden}
    .hero-main:before,.hero-main:after{content:"";position:absolute;border-radius:999px;filter:blur(4px);pointer-events:none}
    .hero-main:before{width:260px;height:260px;background:radial-gradient(circle,rgba(123,77,255,.18),rgba(123,77,255,0) 70%);top:-80px;right:-60px}
    .hero-main:after{width:180px;height:180px;background:radial-gradient(circle,rgba(255,127,80,.13),rgba(255,127,80,0) 70%);bottom:-60px;left:-40px}
    .eyebrow{display:inline-flex;gap:8px;align-items:center;padding:7px 12px;border-radius:999px;background:rgba(123,77,255,.09);color:var(--pri);font-size:13px;font-weight:700}
    h1{margin:16px 0 12px;font-size:clamp(30px,4vw,50px);line-height:1.12}
    .lead{font-size:16px;color:var(--muted);max-width:56ch}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 18px;border-radius:14px;font-weight:700;border:1px solid transparent;transition:.22s ease}
    .btn-primary{background:linear-gradient(135deg,var(--pri),var(--pri2));color:#fff;box-shadow:0 12px 24px rgba(123,77,255,.24)}
    .btn-ghost{background:#fff;color:var(--text);border-color:var(--line)}
    .btn:hover{transform:translateY(-2px)}
    .hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:24px}
    .stat{padding:16px;border-radius:18px;background:linear-gradient(180deg,#fff, #faf7ff);border:1px solid var(--line)}
    .stat strong{display:block;font-size:22px;color:var(--pri)}
    .stat span{font-size:13px;color:var(--muted)}
    .hero-side{padding:20px}
    .mini-list{display:grid;gap:12px}
    .mini-item{padding:14px;border-radius:16px;background:linear-gradient(180deg,#fff,#fcfbff);border:1px solid var(--line)}
    .mini-item b{display:block;margin-bottom:4px}
    .section{padding:18px 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:14px;margin-bottom:16px}
    .section-head h2{margin:0;font-size:clamp(22px,2.3vw,32px)}
    .section-head p{margin:0;color:var(--muted);max-width:62ch}
    .grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
    .section-card,.case-card,.review-card,.article-card,.price-card,.timeline-card,.network-card,.compare-card{padding:22px}
    .feature{display:flex;gap:14px;align-items:flex-start}
    .icon{width:42px;height:42px;border-radius:14px;background:linear-gradient(135deg,rgba(123,77,255,.14),rgba(176,76,255,.18));display:grid;place-items:center;color:var(--pri);font-weight:800;flex:0 0 auto}
    .feature h3,.section-card h3,.case-card h3,.review-card h3,.article-card h3,.price-card h3,.timeline-card h3,.network-card h3{margin:0 0 8px;font-size:18px}
    .feature p,.section-card p,.case-card p,.review-card p,.article-card p,.price-card p,.timeline-card p,.network-card p{margin:0;color:var(--muted)}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .tag{padding:9px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:13px;color:#3d4352}
    .workflow{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .step{padding:18px;border-radius:18px;background:linear-gradient(180deg,#fff,#fbf9ff);border:1px solid var(--line)}
    .step .num{font-size:12px;font-weight:700;color:var(--pri);margin-bottom:8px}
    .table-wrap{overflow:auto;border-radius:18px;border:1px solid var(--line);background:#fff}
    table{width:100%;border-collapse:collapse;min-width:760px}
    th,td{padding:14px 16px;border-bottom:1px solid #efe7ff;text-align:left;font-size:14px}
    th{background:#fbf8ff;color:#2b3040}
    tr:last-child td{border-bottom:none}
    .compare-badge{display:inline-flex;padding:7px 10px;border-radius:999px;background:rgba(123,77,255,.1);color:var(--pri);font-weight:700;font-size:13px}
    .accordion{display:grid;gap:12px}
    .faq-item{overflow:hidden}
    .faq-q{width:100%;background:none;border:0;padding:18px 20px;font:inherit;display:flex;justify-content:space-between;align-items:center;gap:14px;color:var(--text);text-align:left;cursor:pointer}
    .faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease;padding:0 20px;color:var(--muted)}
    .faq-item.active .faq-a{max-height:180px;padding-bottom:18px}
    .faq-item.active .faq-q .arrow{transform:rotate(180deg)}
    .arrow{transition:.25s ease;color:var(--pri)}
    .reviews,.articles,.cases,.network,.pricing,.timeline{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
    .form-card form{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    .field{display:grid;gap:8px}
    .field.full{grid-column:1 / -1}
    input,select,textarea{width:100%;border:1px solid #ddd3f8;background:#fff;border-radius:14px;padding:13px 14px;font:inherit;color:var(--text);outline:none}
    input:focus,select:focus,textarea:focus{border-color:var(--pri);box-shadow:0 0 0 4px rgba(123,77,255,.12)}
    textarea{min-height:130px;resize:vertical}
    .submit{border:0;cursor:pointer}
    .article-card .meta,.case-card .meta,.review-card .meta{color:var(--pri);font-size:13px;font-weight:700;margin-bottom:8px}
    .footer{margin-top:22px;padding:22px 0 30px;background:#121528;color:#eef0ff}
    .footer a{color:#d9dfff}
    .footer .container{display:grid;gap:18px}
    .footer-grid{display:grid;grid-template-columns:1.2fr .8fr .9fr;gap:18px}
    .footer small,.footer p{color:#c8cdee}
    .fixed-tools{position:fixed;right:16px;bottom:16px;z-index:40;display:grid;gap:10px}
    .tool{width:48px;height:48px;border-radius:16px;background:linear-gradient(135deg,var(--pri),var(--pri2));color:#fff;display:grid;place-items:center;box-shadow:0 14px 28px rgba(123,77,255,.3)}
    .tool.secondary{background:#fff;color:var(--pri);border:1px solid var(--line)}
    .reveal{opacity:0;transform:translateY(16px);transition:.5s ease}
    .reveal.show{opacity:1;transform:none}
    .muted{color:var(--muted)}
    .image-strip{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
    .image-strip img{border-radius:18px;border:1px solid var(--line);background:#fff}
    .banner-row{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
    .banner-row img{border-radius:16px;border:1px solid var(--line)}
    @media (max-width: 980px){
      .hero-grid,.grid-3,.grid-2,.workflow,.reviews,.articles,.cases,.network,.pricing,.timeline,.footer-grid{grid-template-columns:1fr}
      .form-card form{grid-template-columns:1fr}
      .hero-stats{grid-template-columns:1fr}
      .banner-row{grid-template-columns:repeat(2,1fr)}
      .navlinks{display:none;position:absolute;left:16px;right:16px;top:70px;background:#fff;border:1px solid var(--line);border-radius:18px;padding:14px;box-shadow:var(--shadow)}
      .navlinks.open{display:grid}
      .menu-btn{display:inline-flex}
      .nav{position:relative}
    }