:root{--windows-blue:#1473e6;--windows-ink:#20242c;--windows-muted:#67707d;--windows-green:#22b66f;--windows-bg:#f5f8fc;--windows-card:#fff;--windows-line:#dbe5f0;--windows-shadow:0 24px 70px rgba(28,73,130,.16)}
*{box-sizing:border-box}body.windows-page{margin:0;min-height:100vh;overflow-x:hidden;padding-bottom:82px;font-family:"Segoe UI","Microsoft YaHei",sans-serif;color:var(--windows-ink);background:linear-gradient(135deg,#f8fbff,#eef5ff 48%,#f8fbff)}
a{text-decoration:none;color:inherit}.windows-header{width:min(1180px,calc(100% - 32px));margin:16px auto 0;padding:12px 14px;border:1px solid var(--windows-line);border-radius:18px;background:rgba(255,255,255,.92);display:flex;align-items:center;justify-content:space-between;position:sticky;top:12px;z-index:20;box-shadow:0 16px 44px rgba(28,73,130,.12);backdrop-filter:blur(16px)}.windows-brand{display:flex;align-items:center;gap:10px;font-weight:900}.windows-brand span{width:32px;height:32px;background:conic-gradient(from 90deg,var(--windows-blue) 0 25%,#49a2ff 0 50%,var(--windows-green) 0 75%,#9ed4ff 0);border-radius:7px}.windows-brand em{font-style:normal;color:var(--windows-muted);font-size:12px}.windows-nav{display:flex;gap:8px;align-items:center}.windows-nav a{padding:10px 13px;border-radius:12px;font-weight:800}.windows-nav a:hover{background:#edf4ff}.windows-nav-cta{background:var(--windows-blue);color:#fff!important}.windows-menu{display:none;border:0;background:var(--windows-blue);width:42px;height:38px;border-radius:12px}.windows-menu i{display:block;width:18px;height:2px;background:#fff;margin:5px auto;border-radius:99px}
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.windows-section,.windows-final,.windows-footer{width:min(1180px,calc(100% - 32px));margin:24px auto 0;border-radius:28px;padding:32px}.windows-device-switch{display:flex;justify-content:space-between;align-items:center;gap:18px}.windows-device-switch h2,.windows-section h2,.windows-final h2{margin:0;font-size:clamp(28px,4vw,44px);line-height:1.1;letter-spacing:-.05em}.windows-switches{display:flex;gap:10px;flex-wrap:wrap}.windows-switches button{border:1px solid var(--windows-line);border-radius:12px;background:#fff;min-height:46px;padding:0 18px;font-weight:900;cursor:pointer}.windows-switches button.is-active{background:var(--windows-blue);color:#fff;border-color:var(--windows-blue)}
.windows-download-path{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.windows-download-path article{border-radius:22px;padding:24px;background:#f8fbff;border:1px solid var(--windows-line)}.windows-download-path span{display:grid;place-items:center;width:42px;height:42px;border-radius:12px;background:#e5f0ff;color:var(--windows-blue);font-weight:900;margin-bottom:38px}.windows-download-path a{padding:0 18px;background:var(--windows-blue);color:#fff}.windows-blocks{display:grid;grid-template-columns:1.2fr .8fr;gap:18px;background:#20242c;color:#fff}.windows-block-main,.windows-block-side{border-radius:22px;padding:26px;background:rgba(255,255,255,.08)}.windows-blocks p{color:#d6e0eb}.windows-blocks a{padding:0 20px;background:var(--windows-green);color:#fff}.windows-network-line{display:grid;grid-template-columns:1fr 46px 1fr 46px 1fr;gap:10px;align-items:center}.windows-network-line span{min-height:88px;border-radius:20px;display:grid;place-items:center;background:#edf5ff;font-weight:900}.windows-network-line i{height:4px;background:var(--windows-blue);border-radius:99px}.windows-faq-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.windows-faq-list details{border:1px solid var(--windows-line);border-radius:20px;background:#fff;padding:20px}.windows-faq-list summary{cursor:pointer;font-weight:900}.windows-final{display:flex;justify-content:space-between;align-items:center;gap:18px;background:linear-gradient(135deg,#eaf3ff,#fff)}.windows-final a{padding:0 22px;background:var(--windows-blue);color:#fff}.windows-footer{margin-bottom:20px;display:flex;justify-content:space-between;align-items:center;gap:18px}.windows-footer strong{font-size:20px}.windows-footer a{padding:0 20px;background:var(--windows-ink);color:#fff}
.windows-fixed{position:fixed;left:50%;bottom:16px;transform:translateX(-50%);z-index:30;width:min(450px,calc(100vw - 28px));min-height:58px;padding:8px 9px 8px 18px;border-radius:16px;background:rgba(20,115,230,.96);color:#fff;display:none;align-items:center;justify-content:space-between;box-shadow:0 18px 44px rgba(20,115,230,.28)}.windows-fixed span{font-weight:900}.windows-fixed a{min-height:42px;padding:0 18px;background:#fff;color:var(--windows-blue)}
@media(max-width:920px){.windows-menu{display:block}.windows-nav{display:none;position:absolute;top:calc(100% + 8px);left:0;right:0;padding:10px;border-radius:18px;background:#fff;box-shadow:var(--windows-shadow);flex-direction:column;align-items:stretch}.windows-header.is-open .windows-nav{display:flex}.windows-nav a{text-align:center}.windows-hero,.windows-download-path,.windows-blocks,.windows-faq-list{grid-template-columns:1fr}}
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