:root{--primary:#6f7edb;--secondary:#56b6a7;--accent:#e99a8c;--bg:#f5f7fb;--surface:#ffffff;--surface-2:#eef2f8;--text:#1f2937;--muted:#738096;--border:#dfe5ef;--code:#1f2633;--code-text:#e7ecf4;--shadow:0 12px 32px rgba(67,78,108,.08);--radius:18px;--sidebar:280px;--topbar:64px;--toc:240px}
[data-theme="dark"]{--bg:#151922;--surface:#1c222e;--surface-2:#252d3b;--text:#eef2f8;--muted:#a4afbf;--border:#303a49;--code:#10141c;--code-text:#e8edf5;--shadow:0 16px 36px rgba(0,0,0,.18)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,"PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;background:var(--bg);color:var(--text);line-height:1.75}a{color:inherit;text-decoration:none}.topbar{height:var(--topbar);position:fixed;inset:0 0 auto 0;z-index:50;background:color-mix(in srgb,var(--surface) 92%,transparent);backdrop-filter:blur(16px);border-bottom:1px solid var(--border);display:flex;align-items:center;padding:0 22px;gap:18px}.brand{display:flex;align-items:center;gap:11px;min-width:260px}.brand img{width:34px;height:34px}.brand-title{font-weight:760;letter-spacing:-.02em}.brand-sub{font-size:12px;color:var(--muted);margin-top:-3px}.top-actions{margin-left:auto;display:flex;gap:9px;align-items:center}.icon-btn,.search-btn{border:1px solid var(--border);background:var(--surface);color:var(--text);height:38px;border-radius:12px;padding:0 12px;display:flex;align-items:center;gap:8px;cursor:pointer}.search-btn{min-width:220px;color:var(--muted)}kbd{font:inherit;font-size:11px;padding:1px 6px;border-radius:7px;background:var(--surface-2);border:1px solid var(--border);margin-left:auto}.sidebar{position:fixed;top:var(--topbar);bottom:0;left:0;width:var(--sidebar);padding:24px 16px 30px;background:var(--surface);border-right:1px solid var(--border);overflow:auto;z-index:40}.nav-group{margin-bottom:24px}.nav-label{font-size:11px;font-weight:760;letter-spacing:.12em;color:var(--muted);padding:0 11px 8px;text-transform:uppercase}.nav-link{display:flex;align-items:center;gap:10px;padding:9px 11px;border-radius:11px;color:var(--muted);font-size:14px;margin:2px 0}.nav-link:hover{background:var(--surface-2);color:var(--text)}.nav-link.active{background:color-mix(in srgb,var(--primary) 12%,var(--surface));color:var(--primary);font-weight:700}.layout{padding-top:var(--topbar);padding-left:var(--sidebar)}.page{max-width:1180px;margin:0 auto;padding:42px 280px 80px 48px;position:relative}.hero-badge{display:inline-flex;align-items:center;gap:8px;padding:5px 10px;border-radius:999px;background:color-mix(in srgb,var(--primary) 12%,var(--surface));color:var(--primary);font-weight:700;font-size:12px}.page h1{font-size:38px;line-height:1.2;letter-spacing:-.035em;margin:14px 0 10px}.lead{font-size:17px;color:var(--muted);margin-bottom:34px}.content{font-size:15.5px}.content h1{font-size:32px;margin-top:46px}.content h2{font-size:23px;margin-top:42px;border-top:1px solid var(--border);padding-top:32px}.content h3{font-size:18px;margin-top:28px}.heading-anchor{opacity:0;margin-left:8px;color:var(--primary);font-size:.75em}.content h1:hover .heading-anchor,.content h2:hover .heading-anchor,.content h3:hover .heading-anchor{opacity:.7}.content p,.content li{color:color-mix(in srgb,var(--text) 88%,var(--muted))}.content strong{color:var(--text)}.content blockquote{margin:18px 0;padding:14px 18px;border-left:4px solid var(--primary);background:color-mix(in srgb,var(--primary) 7%,var(--surface));border-radius:0 12px 12px 0;color:var(--muted)}.content pre{position:relative;background:var(--code);color:var(--code-text);padding:20px 18px;border-radius:14px;overflow:auto;box-shadow:inset 0 0 0 1px rgba(255,255,255,.04);line-height:1.55}.content code{font-family:"SFMono-Regular",Consolas,"Liberation Mono",monospace;font-size:.92em}.content :not(pre)>code{background:var(--surface-2);color:var(--primary);padding:2px 6px;border-radius:6px}.copy-btn{position:absolute;right:10px;top:10px;border:1px solid rgba(255,255,255,.12);color:#dbe3ef;background:rgba(255,255,255,.08);padding:5px 9px;border-radius:8px;cursor:pointer;font-size:12px}.content table{width:100%;border-collapse:separate;border-spacing:0;margin:18px 0;border:1px solid var(--border);border-radius:14px;overflow:hidden;background:var(--surface)}.content th,.content td{padding:11px 13px;border-bottom:1px solid var(--border);text-align:left}.content th{background:var(--surface-2)}.content tr:last-child td{border-bottom:0}.toc{position:fixed;top:calc(var(--topbar) + 32px);right:max(24px,calc((100vw - 1180px)/2 + 20px));width:var(--toc);max-height:calc(100vh - 110px);overflow:auto;padding-left:16px;border-left:1px solid var(--border)}.toc-title{font-size:12px;font-weight:750;color:var(--muted);margin-bottom:10px}.toc a{display:block;color:var(--muted);font-size:12.5px;padding:4px 0}.toc a.l3{padding-left:12px}.toc a:hover{color:var(--primary)}.page-footer{margin-top:55px;padding-top:24px;border-top:1px solid var(--border);display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;color:var(--muted);font-size:13px}.download-link{color:var(--primary);font-weight:700}.home{max-width:1180px;margin:0 auto;padding:58px 44px 90px}.home-hero{padding:54px 52px;border:1px solid var(--border);border-radius:26px;background:linear-gradient(135deg,color-mix(in srgb,var(--primary) 13%,var(--surface)),color-mix(in srgb,var(--secondary) 10%,var(--surface)) 48%,color-mix(in srgb,var(--accent) 9%,var(--surface)));box-shadow:var(--shadow)}.home-hero h1{font-size:48px;line-height:1.12;margin:14px 0;letter-spacing:-.045em;max-width:800px}.home-hero p{color:var(--muted);font-size:18px;max-width:820px}.hero-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:28px}.primary-btn,.soft-btn{padding:11px 16px;border-radius:12px;font-weight:700}.primary-btn{background:var(--primary);color:#fff}.soft-btn{background:var(--surface);border:1px solid var(--border)}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:28px}.doc-card{background:var(--surface);border:1px solid var(--border);border-radius:18px;padding:20px;box-shadow:var(--shadow);min-height:150px}.doc-card .emoji{font-size:25px}.doc-card h3{margin:8px 0 5px}.doc-card p{color:var(--muted);font-size:13.5px;margin:0}.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-top:26px}.step{border:1px solid var(--border);background:var(--surface);border-radius:14px;padding:16px}.step small{color:var(--primary);font-weight:750}.step strong{display:block;margin-top:4px}.search-modal{position:fixed;inset:0;background:rgba(15,20,28,.46);display:none;align-items:flex-start;justify-content:center;padding-top:12vh;z-index:100}.search-modal.open{display:flex}.search-box{width:min(720px,92vw);background:var(--surface);border:1px solid var(--border);border-radius:18px;box-shadow:0 30px 80px rgba(0,0,0,.25);overflow:hidden}.search-input{width:100%;height:58px;border:0;border-bottom:1px solid var(--border);background:var(--surface);color:var(--text);padding:0 18px;font-size:16px;outline:none}.search-results{max-height:55vh;overflow:auto;padding:8px}.search-result{display:block;padding:12px;border-radius:12px}.search-result:hover{background:var(--surface-2)}.search-result strong{display:block}.search-result span{font-size:12px;color:var(--muted)}.empty{padding:24px;text-align:center;color:var(--muted)}.menu-btn{display:none}.mobile-overlay{display:none}.footer-note{margin-top:28px;color:var(--muted);font-size:13px;text-align:center}
@media(max-width:1100px){.toc{display:none}.page{padding-right:48px}.cards{grid-template-columns:repeat(2,1fr)}}
@media(max-width:820px){.brand{min-width:0}.brand-sub{display:none}.search-btn{min-width:0;width:42px;padding:0;justify-content:center}.search-btn span,.search-btn kbd{display:none}.menu-btn{display:flex}.sidebar{transform:translateX(-100%);transition:.2s}.sidebar.open{transform:translateX(0);box-shadow:20px 0 50px rgba(0,0,0,.18)}.layout{padding-left:0}.page{padding:30px 20px 70px}.home{padding:30px 18px 70px}.home-hero{padding:34px 24px}.home-hero h1{font-size:36px}.cards{grid-template-columns:1fr}.steps{grid-template-columns:1fr 1fr}.mobile-overlay.open{display:block;position:fixed;inset:var(--topbar) 0 0 0;background:rgba(0,0,0,.28);z-index:35}}
@media(max-width:480px){.steps{grid-template-columns:1fr}.page h1{font-size:31px}.topbar{padding:0 12px}.brand-title{font-size:14px}}