:root{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif;color:#183b4c;background:#fbfdfe;font-synthesis:none;--blue:#167ba8;--border:#deebf1;--muted:#657f8e}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:25px}body{margin:0}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}button,a,input,select,textarea{-webkit-tap-highlight-color:transparent}button,a{touch-action:manipulation}button{cursor:pointer}button:disabled{cursor:wait;opacity:.6}:focus-visible{outline:3px solid #40a9d2;outline-offset:4px}[hidden]{display:none!important}header,main,footer{max-width:1060px;margin:auto}header{display:flex;justify-content:space-between;align-items:center;padding:27px 30px;border-bottom:1px solid var(--border)}.brand{display:flex;align-items:center;gap:12px;font-weight:750;font-size:18px}.brand-icon{display:grid;place-items:center;color:white;background:var(--blue);width:42px;height:42px;border-radius:12px;font-size:24px}.brand small{display:block;margin-top:3px;font-size:11px;letter-spacing:2px;color:var(--muted);font-weight:400}.help{font-size:13px;color:var(--blue)}main{padding:0 30px}.hero{padding:62px 0 44px;max-width:740px}.eyebrow{font-size:12px;letter-spacing:1.5px;color:var(--blue);font-weight:650;margin:0 0 14px}.eyebrow span{display:inline-block;width:7px;height:7px;border-radius:50%;background:#4bad91;margin-right:7px}h1{font-size:clamp(36px,6vw,58px);line-height:1.25;letter-spacing:-1.4px;margin:0 0 20px}h2{font-size:25px;letter-spacing:-.5px;margin:0}h3{font-size:17px;margin:9px 0}p{line-height:1.8}.intro{color:var(--muted);margin:0 0 24px}.notice{padding:15px 18px;background:#edf7fb;border-left:3px solid #6cb8d5;margin:0 0 26px;border-radius:0 9px 9px 0;font-size:13px}.notice strong{font-size:14px}.notice p{margin:4px 0 0;color:#4d7183}.search{display:flex;gap:12px;align-items:center;background:white;border:1px solid #bbd7e4;border-radius:12px;padding:16px 18px;box-shadow:0 5px 18px #16445a06}.search>span{font-size:28px;line-height:20px;color:var(--blue)}input{min-width:0;width:100%;border:0;background:none;outline:none;color:#183b4c;font-size:15px}kbd{font:inherit;font-size:12px;color:var(--muted);white-space:nowrap}.catalog{padding:15px 0 40px}.section-heading{display:flex;justify-content:space-between;align-items:center;gap:15px;margin-bottom:22px}.section-heading .eyebrow{margin-bottom:7px}.muted{color:var(--muted);font-size:14px}.filters{display:flex;gap:8px;flex-wrap:wrap;margin:0 0 22px}.filters button{border:1px solid var(--border);background:white;padding:8px 14px;border-radius:22px;color:var(--muted);font-size:13px}.filters button[aria-pressed=true]{background:#e9f5fb;border-color:#a9d1e2;color:#166c94}.subjects{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.subject{border:1px solid var(--border);background:white;border-radius:11px;padding:18px;text-align:left;color:#183b4c;display:flex;justify-content:space-between;align-items:center;gap:10px;min-height:100px;transition:border-color .15s}.subject:hover{border-color:#72b3d0}.subject strong{display:block;font-size:16px}.subject small{display:block;margin-top:10px;color:var(--muted);font-size:11px}.subject>b{font-weight:400;color:#73a5bc}.button{border:1px solid var(--blue);display:inline-flex;align-items:center;justify-content:center;gap:12px;padding:12px 18px;border-radius:9px;background:var(--blue);color:white;font-size:14px;font-weight:600}.secondary{background:white;color:var(--blue);border-color:#bfd8e4}.more{display:flex;margin:22px auto 0;min-width:200px}.empty{text-align:center;padding:25px;color:var(--muted)}.detail,.test{padding:30px;border:1px solid var(--border);border-radius:14px;margin:8px 0 32px;background:white}.detail{background:#f0f8fc}.detail>p{color:#4c6b7a;font-size:14px}.text-button{border:0;background:none;color:var(--blue);font-size:13px;padding:8px 0}.note-row{display:flex;align-items:center;gap:20px;padding:20px 0 24px}.note-row p{font-size:12px;color:var(--muted);margin:5px 0}.paper{flex-shrink:0;width:78px;height:108px;border:1px solid #bdd7e4;background:white;border-radius:4px;display:flex;flex-direction:column;align-items:center;justify-content:center;font-weight:700;color:var(--blue);box-shadow:3px 3px 0 #d6e9f2}.paper small{font-size:9px;margin-top:8px;font-weight:400;letter-spacing:2px}.tag{display:inline-block;font-size:11px;color:#3f7c94;background:#eaf5f9;padding:5px 8px;border-radius:5px;white-space:nowrap}.test>.muted{margin-top:-5px}.checks{border-top:1px solid var(--border);margin-top:22px}.checks>div{display:flex;justify-content:space-between;gap:14px;padding:14px 0;border-bottom:1px solid var(--border);font-size:13px}.checks strong{text-align:right;font-weight:500;color:var(--muted)}.checks strong[data-ok=true]{color:#23806b}.checks strong[data-ok=false]{color:#b55238}.caption{font-size:12px;color:var(--muted)}.actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin:20px 0;font-size:12px;color:var(--muted)}.downloads{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:24px 0}.download{display:flex;gap:12px;align-items:center;padding:20px 15px;background:#f4f9fb;border-radius:9px;border:1px solid var(--border)}.download>span{font-size:27px;color:var(--blue)}.download strong{font-size:13px}.download small{display:block;color:var(--muted);font-size:11px;margin-top:5px;line-height:1.6}.download>b{font-weight:400;font-size:10px;color:var(--blue);margin-left:auto;white-space:nowrap}.network-label{display:block;font-size:12px;margin:22px 0 8px}select{color:#365a6c;background:white;border:1px solid #bed7e3;border-radius:7px;padding:10px;max-width:100%;min-width:190px}textarea{width:100%;min-height:180px;padding:12px;border:1px solid var(--border);border-radius:8px;font-size:12px;line-height:1.8}.contact{padding:6px 0 30px;display:flex;align-items:center;gap:20px;justify-content:space-between;flex-wrap:wrap}.contact p{font-size:13px;color:var(--muted);margin:0}.contact strong{color:#365a6c}footer{border-top:1px solid var(--border);padding:24px 30px 35px;font-size:11px;color:var(--muted);display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}footer p{width:100%;max-width:850px;margin:0;font-size:10px}@media(max-width:640px){header{padding:20px}.brand{font-size:16px}.brand-icon{width:36px;height:36px;font-size:21px}main{padding:0 20px}.hero{padding:38px 0 30px}.intro{font-size:14px}h1{font-size:39px}h2{font-size:21px}.subjects{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.subject{padding:14px 12px;min-height:95px}.subject strong{font-size:14px}.filters{gap:7px}.filters button{font-size:12px;padding:8px 11px}.detail,.test{padding:22px 17px;margin-bottom:25px}.section-heading{align-items:flex-start}.section-heading>.tag{margin-top:23px;font-size:10px}.downloads{grid-template-columns:1fr}.actions .button{font-size:12px;padding:12px 14px}.checks>div{font-size:12px}.checks strong{max-width:60%}.note-row{gap:15px}.paper{width:64px;height:94px}.contact{gap:13px}.contact h3{font-size:15px}footer{padding:22px 20px}.search{padding:14px 12px;gap:8px}input{font-size:13px}kbd{display:none}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.subject{transition:none}}