:root{--bg:#edf0f7;--surface:#f9faff;--ink:#202c49;--muted:#64718a;--border:#dce2ef;--brand:#5255d8;--soft:#e4e8fc;color-scheme:light}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.8 -apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif}a{color:var(--brand);text-decoration:none}a:hover{text-decoration:underline}button,input{font:inherit}button{cursor:pointer}img,video{display:block;max-width:100%;height:auto}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid #9298ef;outline-offset:4px}.wrap{width:min(1120px,calc(100% - 40px));margin:auto}.skip{position:absolute;left:12px;top:-80px;background:var(--surface);padding:12px;z-index:10}.skip:focus{top:12px}.site-head{background:#f3f5fbe8;border-bottom:1px solid var(--border)}.head-row{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:18px 0}.brand{display:flex;align-items:center;gap:10px;font-weight:750;color:var(--ink);font-size:20px;white-space:nowrap}.brand img{width:36px;height:36px}.head-nav{display:flex;gap:22px;font-size:14px}.breadcrumb{list-style:none;display:flex;flex-wrap:wrap;gap:8px;padding:0;margin:26px 0;color:var(--muted);font-size:13px}.breadcrumb li+li:before{content:"/";margin-right:8px;color:#8590a5}h1{font-size:clamp(26px,4vw,40px);line-height:1.4;letter-spacing:-.6px;margin:0 0 16px}h2{font-size:23px;line-height:1.5;margin:0 0 14px}h3{font-size:16px;line-height:1.6;margin:0}.intro{max-width:800px;color:var(--muted);margin-bottom:24px}.page-top{margin-bottom:30px}.tabs{display:flex;gap:10px;flex-wrap:wrap;margin:22px 0}.tabs a,.button{display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--border);border-radius:10px;background:var(--surface);padding:11px 18px;min-height:46px;font-weight:600}.tabs .selected,.button.primary{background:var(--brand);color:white;border-color:var(--brand)}.tabs a:hover,.button:hover{text-decoration:none;border-color:#a3aceb}.button.primary:hover{background:#4245ba}.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.tile{background:var(--surface);border:1px solid var(--border);border-radius:15px;overflow:hidden}.tile-image{display:block;padding:8px 8px 0}.tile-image img{width:100%;aspect-ratio:16/9;object-fit:contain;border-radius:9px;background:#172039}.tile-info{padding:14px 16px}.tile-info p{font-size:13px;color:var(--muted);margin:6px 0 12px}.tile-id{font:600 15px/1.5 Consolas,monospace;letter-spacing:.4px}.tile-bottom{display:flex;justify-content:space-between;gap:8px;align-items:center;border-top:1px solid var(--border);padding-top:12px;font-size:13px}.panel{border:1px solid var(--border);background:var(--surface);border-radius:17px;padding:26px;margin-bottom:26px}.detail-layout{display:grid;grid-template-columns:minmax(0,1.75fr) minmax(270px,1fr);gap:24px;align-items:start}.media{padding:10px}.media img,.media video{width:100%;aspect-ratio:16/9;object-fit:contain;background:#152037;border-radius:10px}.media figcaption{color:var(--muted);font-size:13px;padding:12px 8px 3px}.media figure{margin:0}.detail-title{font-size:29px}.facts{margin:20px 0}.facts div{display:flex;justify-content:space-between;gap:12px;border-bottom:1px solid var(--border);padding:10px 0}.facts dt{color:var(--muted)}.facts dd{margin:0;text-align:right}.code-field{display:block;width:100%;min-height:54px;padding:10px 14px;border:1px solid #bec6e7;border-radius:10px;color:var(--brand);background:#eef1ff;font:700 24px/1.4 Consolas,monospace;letter-spacing:1px;margin-bottom:12px}.actions{display:flex;gap:10px;flex-wrap:wrap}.actions>*{flex:1;white-space:nowrap}.copy-message{font-size:13px;color:var(--muted);min-height:24px;margin:8px 0 0}.copy-message[hidden]{display:none}.speed{background:var(--soft);border:1px solid #cbd2f5;color:#424c9b;padding:16px 20px;border-radius:12px;margin-bottom:24px}.speed strong{display:block;font-size:19px}.speed p{margin:5px 0 0;font-size:13px}.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;padding:0;list-style:none}.steps li{padding-left:20px;border-left:3px solid #afb6ea}.steps p,.faq p{color:var(--muted);margin:8px 0 0}.faq details{border-top:1px solid var(--border);padding:14px 0}.faq summary{cursor:pointer;font-weight:650}.faq summary:focus-visible{outline:3px solid #9298ef;outline-offset:4px}.contact{display:flex;align-items:center;justify-content:space-between;gap:24px}.contact p{color:var(--muted);margin:6px 0 0}.phone{font:700 25px/1.5 Consolas,monospace;letter-spacing:.3px;white-space:nowrap}.related{margin-top:36px}.site-foot{margin-top:44px;border-top:1px solid var(--border);padding:26px 0;color:var(--muted);font-size:13px}.site-foot .wrap{display:flex;gap:20px;justify-content:space-between;flex-wrap:wrap}.site-foot nav{display:flex;gap:16px;flex-wrap:wrap}.below-note{color:var(--muted);font-size:13px;margin:26px 0}.empty{padding:24px;background:var(--surface);border-radius:14px}
@media(max-width:850px){.grid{grid-template-columns:repeat(2,minmax(0,1fr))}.head-row{flex-wrap:wrap;gap:12px}.head-nav{width:100%;justify-content:space-between;border-top:1px solid var(--border);padding-top:10px;gap:12px}.detail-layout{grid-template-columns:1fr}.detail-title{font-size:26px}.steps{grid-template-columns:1fr}.contact{flex-wrap:wrap}.panel{padding:22px}.media{padding:8px}}
@media(max-width:480px){.wrap{width:calc(100% - 28px)}.head-nav{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));font-size:13px;gap:0 10px}.head-nav a{display:flex;align-items:center;min-height:44px}.brand{font-size:18px}.breadcrumb{font-size:12px;margin:20px 0}.grid{gap:12px}.tile-info{padding:12px 10px}.tile-info h3{font-size:14px}.tile-info p{font-size:12px}.tile-bottom{flex-wrap:wrap;font-size:12px}.tile-id{font-size:14px}.panel{padding:20px 16px}.media{padding:7px}.page-top{margin-bottom:24px}.tabs a{padding:10px 13px;font-size:14px}.speed{padding:15px}.speed strong{font-size:18px}.actions{flex-direction:column}.contact .actions{width:100%}.phone{font-size:26px}.site-foot{margin-top:30px}.site-foot nav{gap:12px}.intro{font-size:14px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}