:root{--bg: #0b0f17;--bg-soft: #101724;--card: #141b2b;--card-hover: #182238;--border: #1f2a40;--text: #e8ecf4;--text-dim: #9aa7bd;--accent: #7c5cff;--accent-soft: rgba(124, 92, 255, .14);--accent-2: #00d4ff;--ok: #2dd4a7;--warn: #f5a623;--danger: #ff5c6a;--radius: 14px;--shadow: 0 8px 28px rgba(0, 0, 0, .35)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:Segoe UI,PingFang SC,Microsoft YaHei,Noto Sans SC,system-ui,sans-serif;font-size:16px;line-height:1.7}a{color:var(--accent-2);text-decoration:none}a:hover{text-decoration:underline}img{max-width:100%;height:auto;display:block}.container{max-width:1200px;margin:0 auto;padding:0 20px}.site-header{position:sticky;top:0;z-index:50;background:#0b0f17eb;backdrop-filter:blur(10px);border-bottom:1px solid var(--border)}.site-header .container{display:flex;align-items:center;gap:28px;height:64px}.brand{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:800;color:var(--text);letter-spacing:1px}.brand:hover{text-decoration:none}.brand-badge{width:38px;height:38px;border-radius:11px;flex:none;background:linear-gradient(135deg,var(--accent),var(--accent-2));display:flex;flex-direction:column;align-items:center;justify-content:center;font-size:10px;font-weight:900;color:#fff;line-height:1.1;letter-spacing:.5px;box-shadow:0 4px 14px #7c5cff59}.brand-word{font-size:21px;font-weight:900;letter-spacing:1.2px;display:inline-flex;align-items:center}.brand-sub{margin-left:7px;font-size:11px;font-weight:700;letter-spacing:0;color:var(--text-dim);border:1px solid var(--border);border-radius:6px;padding:2px 6px}.logo-mark{width:34px;height:34px;border-radius:9px;background:linear-gradient(135deg,var(--accent),var(--accent-2));display:inline-flex;align-items:center;justify-content:center;font-size:15px;font-weight:900;color:#fff}.nav{display:flex;gap:4px;flex:1;flex-wrap:wrap}.nav a{color:var(--text-dim);padding:7px 13px;border-radius:8px;font-size:15px;white-space:nowrap}.nav a:hover{color:var(--text);background:var(--card);text-decoration:none}.nav a.active{color:var(--text);background:var(--accent-soft)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 22px;border-radius:10px;font-size:15px;font-weight:700;border:1px solid transparent;cursor:pointer;transition:all .15s ease}.btn:hover{text-decoration:none;transform:translateY(-1px)}.btn-primary{background:linear-gradient(135deg,var(--accent),#9b6bff);color:#fff;box-shadow:0 6px 18px #7c5cff59}.btn-outline{border-color:var(--border);color:var(--text);background:var(--card)}.btn-outline:hover{border-color:var(--accent);color:var(--accent-2)}.section{padding:56px 0}.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:26px;flex-wrap:wrap}.section-title{font-size:26px;font-weight:800;margin:0}.section-sub{color:var(--text-dim);font-size:14px;margin:6px 0 0}.section-more{color:var(--accent-2);font-size:14px;font-weight:600;white-space:nowrap}.grid{display:grid;gap:18px}.grid-2{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-4{grid-template-columns:repeat(4,1fr)}@media(max-width:960px){.grid-4,.grid-3{grid-template-columns:repeat(2,1fr)}}@media(max-width:600px){.grid-2,.grid-4,.grid-3{grid-template-columns:1fr}}.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:20px;transition:transform .15s ease,border-color .15s ease,background .15s ease}.card:hover{transform:translateY(-3px);border-color:var(--accent);background:var(--card-hover)}.card h3{margin:0 0 8px;font-size:18px}.card h3 a{color:var(--text)}.card h3 a:hover{color:var(--accent-2);text-decoration:none}.card .desc{color:var(--text-dim);font-size:14px;margin:0 0 12px}.badge{display:inline-block;padding:2px 9px;border-radius:999px;font-size:12px;font-weight:600;line-height:1.8;background:var(--accent-soft);color:var(--accent-2);margin-right:6px}.badge-ok{background:#2dd4a71f;color:var(--ok)}.badge-warn{background:#f5a6231f;color:var(--warn)}.badge-danger{background:#ff5c6a1f;color:var(--danger)}.breadcrumbs{font-size:13px;color:var(--text-dim);padding:14px 0}.breadcrumbs a{color:var(--text-dim)}.breadcrumbs a:hover{color:var(--accent-2)}.breadcrumbs .sep{margin:0 8px;opacity:.5}.prose{max-width:800px;margin:0 auto}.prose h2{font-size:22px;margin:36px 0 14px;padding-left:12px;border-left:4px solid var(--accent)}.prose h3{font-size:18px;margin:28px 0 10px}.prose p{color:#cfd6e4}.prose ul,.prose ol{padding-left:22px;color:#cfd6e4}.prose li{margin:6px 0}.prose blockquote{margin:18px 0;padding:12px 18px;border-radius:10px;background:var(--accent-soft);border-left:4px solid var(--accent);color:var(--text-dim);font-size:15px}.prose table{width:100%;border-collapse:collapse;margin:18px 0;font-size:14px}.prose th,.prose td{border:1px solid var(--border);padding:9px 12px;text-align:left}.prose th{background:var(--card)}.table-wrap{overflow-x:auto}.table{width:100%;border-collapse:collapse;font-size:14px}.table th,.table td{border-bottom:1px solid var(--border);padding:11px 12px;text-align:left}.table th{color:var(--text-dim);font-weight:600;white-space:nowrap}.table tr:hover td{background:var(--card)}.faq-item{border:1px solid var(--border);border-radius:12px;margin-bottom:12px;background:var(--card)}.faq-item summary{padding:15px 18px;cursor:pointer;font-weight:700;font-size:15px;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:12px}.faq-item summary:after{content:"+";font-size:20px;color:var(--accent-2)}.faq-item[open] summary:after{content:"−"}.faq-item .faq-a{padding:0 18px 16px;color:var(--text-dim);font-size:14px}.site-footer{margin-top:60px;border-top:1px solid var(--border);background:var(--bg-soft);padding:44px 0 30px}.site-footer .cols{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:30px}@media(max-width:800px){.site-footer .cols{grid-template-columns:1fr 1fr}}.site-footer h4{margin:0 0 12px;font-size:15px}.site-footer ul{list-style:none;margin:0;padding:0}.site-footer li{margin:7px 0}.site-footer a{color:var(--text-dim);font-size:14px}.site-footer a:hover{color:var(--accent-2)}.site-footer .disclaimer{margin-top:30px;padding-top:20px;border-top:1px solid var(--border);color:#6b7893;font-size:12px;line-height:1.8}.hero{padding:72px 0 56px;background:radial-gradient(ellipse 60% 50% at 20% 0%,rgba(124,92,255,.16),transparent),radial-gradient(ellipse 50% 50% at 85% 10%,rgba(0,212,255,.1),transparent)}.hero h1{font-size:40px;font-weight:900;margin:0 0 14px;letter-spacing:1px}.hero .lead{color:var(--text-dim);font-size:17px;max-width:720px;margin:0 0 26px}.hero .kws{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:26px}.hero .kws span{font-size:13px;color:var(--text-dim);border:1px solid var(--border);border-radius:999px;padding:4px 12px}.page-head{padding:40px 0 8px}.page-head h1{font-size:32px;margin:0 0 8px}.page-head .lead{color:var(--text-dim);margin:0;max-width:780px}.tag{font-size:12px;color:var(--text-dim);background:var(--card);border:1px solid var(--border);border-radius:6px;padding:2px 8px;margin-right:6px;display:inline-block}.pager{display:flex;justify-content:center;gap:10px;margin-top:34px}.pager a,.pager span{padding:8px 14px;border-radius:8px;border:1px solid var(--border);color:var(--text-dim);font-size:14px;background:var(--card)}.pager a:hover{border-color:var(--accent);color:var(--accent-2);text-decoration:none}.pager .cur{background:var(--accent);border-color:var(--accent);color:#fff}@media(max-width:860px){.site-header .container{height:auto;padding:10px 16px;flex-wrap:wrap;gap:8px 14px}.brand-word{font-size:19px}.brand-sub{display:none}.nav{width:100%;overflow-x:auto;flex-wrap:nowrap;gap:2px;padding-bottom:6px;-webkit-overflow-scrolling:touch}.nav a{font-size:14px;padding:6px 10px}.hero{padding:46px 0 34px}.hero h1{font-size:27px}.hero .lead{font-size:15px}.page-head h1{font-size:25px}.section{padding:34px 0}.section-title{font-size:21px}.container{padding:0 16px}.prose h1{font-size:25px!important}.prose h2{font-size:19px}.table th,.table td{padding:8px 10px;font-size:13px}}.brand-logo{width:40px;height:40px;border-radius:11px;flex:none;box-shadow:0 6px 18px #7c5cff59}.hero-grid{display:grid;grid-template-columns:1.05fr 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.ico{width:38px;height:38px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-weight:900;color:#fff;background:linear-gradient(135deg,var(--accent),var(--accent-2));margin-bottom:12px}.feature-item h3{margin:0 0 8px;font-size:16px}.feature-item p{margin:0;font-size:13px;color:var(--text-dim)}.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}@media(max-width:900px){.steps{grid-template-columns:repeat(2,1fr)}}@media(max-width:560px){.steps{grid-template-columns:1fr}}.step{border:1px solid var(--border);border-radius:14px;padding:20px;background:var(--card);position:relative}.step .num{font-size:28px;font-weight:900;color:var(--accent);opacity:.55;line-height:1;margin-bottom:10px}.step h3{margin:0 0 6px;font-size:16px}.step p{margin:0;font-size:13px;color:var(--text-dim)}.brand-lockup{height:46px;width:auto;display:block}@media(max-width:860px){.brand-lockup{height:38px}}