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:root{--bg:#f3faff;--ink:#192230;--ink-2:#3e4858;--muted:#5f6a7b;--line:#5f6a7b26;--accent:#1f5ed9;--accent-ink:#032a78;--glass:#ffffff8c;--glass-border:#ffffffb3;--sky:#9bd6ff;--lav:#c1c0ff;--mint:#97e9e8;--peri:#abccff;--ease:cubic-bezier(.16, 1, .3, 1);--max:1080px;--sans:"Inter Variable", "PingFang SC", "Microsoft YaHei", "Noto Sans SC", -apple-system, system-ui, sans-serif;--serif:"Instrument Serif", Georgia, "Songti SC", serif}@supports (color:lab(0% 0 0)){:root{--bg:lab(97.6956% -1.63329 -3.29721);--ink:lab(12.8457% -.51146 -10.7977);--ink-2:lab(30.2703% -.954047 -10.9346);--muted:lab(44.1995% -1.11932 -10.9975);--line:lab(44.1995% -1.11932 -10.9975/.15);--accent:lab(42.0363% 17.9313 -70.1233);--accent-ink:lab(19.3276% 15.3645 -49.0544);--glass:lab(100% 0 0/.55);--glass-border:lab(100% 0 0/.7);--sky:lab(82.6263% -12.3501 -28.722);--lav:lab(79.3606% 10.5919 -31.8449);--mint:lab(86.9328% -26.1287 -7.9751);--peri:lab(80.9986% -1.91918 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0;font-size:clamp(1.5rem,3.2vw,2rem);font-weight:800}.sec-head p{color:var(--muted);margin:0;line-height:1.75}[id]{scroll-margin-top:88px}.grid{grid-template-columns:repeat(3,1fr);gap:20px;display:grid}.grid.two{grid-template-columns:repeat(2,1fr)}@media (max-width:760px){.grid,.grid.two{grid-template-columns:1fr}.section{padding-top:72px}.card.placeholder{display:none}}.card{flex-direction:column;padding:28px;display:flex}.card h3{margin-bottom:8px;font-size:1.12rem;font-weight:700}.card p{margin:0;font-size:.95rem;line-height:1.75}.card .foot{flex-wrap:wrap;gap:10px;margin-top:auto;padding-top:24px;display:flex}.card.lift{transition:transform .15s var(--ease), box-shadow .15s var(--ease)}.card.lift:hover{transform:translateY(-2px);box-shadow:0 22px 50px -28px #1f5ed966;box-shadow:0 22px 50px -28px lab(42.0363% 17.9313 -70.1233/.4)}.card.placeholder{text-align:center;background:#ffffff40;background:lab(100% 0 0/.25);border:1.5px dashed #5f6a7b40;border:1.5px dashed lab(44.1995% 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h2{margin-bottom:24px;font-size:clamp(1.6rem,3.6vw,2.2rem);font-weight:800}.detail{padding-top:32px}.back{color:var(--muted);font-size:.88rem;font-weight:500;display:inline-flex}.back:hover{color:var(--ink)}.d-hero{text-align:center;padding:24px 0 0}.d-logo{border-radius:22px;margin:0 auto 20px;display:block;box-shadow:0 20px 44px -20px #1f5ed980;box-shadow:0 20px 44px -20px lab(42.0363% 17.9313 -70.1233/.5)}.d-hero h1{margin:16px 0 14px;font-size:clamp(2rem,5vw,3.2rem);font-weight:800}.d-hero-sub{color:var(--accent)}.d-hero .actions{margin-top:28px}.card-icon{border:1px solid var(--glass-border);background:#fffc;background:lab(100% 0 0/.8);border-radius:12px;place-items:center;width:44px;height:44px;margin-bottom:18px;font-size:1.35rem;display:grid}.card .card-lead{border-bottom:1px solid var(--line);margin:0 0 18px;padding-bottom:18px}.points{gap:10px;margin:0;padding:0;list-style:none;display:grid}.points li{padding-left:16px;font-size:.9rem;line-height:1.65;position:relative}.points li:before{content:"";background:var(--accent);opacity:.45;border-radius:50%;width:6px;height:6px;position:absolute;top:.62em;left:0}.step-n{background:var(--accent);color:#fff;border-radius:50%;place-items:center;width:32px;height:32px;margin-bottom:16px;font-size:.9rem;font-weight:700;display:grid}footer{border-top:1px solid var(--line);color:var(--muted);margin-top:96px;padding-block:32px 44px;font-size:.86rem}footer .row{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px 24px;display:flex}footer strong{color:var(--ink)}footer nav{flex-wrap:wrap;gap:20px;display:flex}footer nav a:hover,.beian a:hover{color:var(--ink)}.beian{flex-wrap:wrap;align-items:center;gap:16px;margin-top:12px;font-size:.8rem;display:flex}.doc{padding-top:48px}.doc .glass{max-width:820px;margin:0 auto;padding:48px clamp(22px,6vw,64px)}.doc h1{margin:10px 0 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