:root{font-family:Arial,"Microsoft YaHei","PingFang SC",sans-serif;color:#333;background:#fdfdfd;font-size:14px;--blue:#4a94e9;--border:#e6e6e6}
*{box-sizing:border-box}body{margin:0}a{color:inherit;text-decoration:none}a:hover{color:#287edb;text-decoration:underline}button,input{font:inherit}button,a,summary,input{outline-offset:3px}button:focus-visible,a:focus-visible,summary:focus-visible,input:focus-visible{outline:2px solid #266fc3}button{cursor:pointer}button:disabled{cursor:wait;opacity:.65}[hidden]{display:none!important}
.header{height:80px;border-top:4px solid var(--blue);border-bottom:1px solid #d8d8d8;box-shadow:0 1px 3px #0000000c;display:flex;align-items:center;justify-content:space-between;padding:0 43px 0 26px;background:#fff}
.brand{display:flex;align-items:center;gap:10px;font-size:28px;color:#808080;line-height:1.03}.brand:hover{text-decoration:none;color:#808080}.brand small{display:block;font-size:16px;letter-spacing:.2px;margin-top:3px}.brand-icon{display:grid;place-items:center;width:50px;height:50px;border-radius:50%;background:var(--blue);color:white;font:56px Georgia,serif;line-height:1}.header time{font-size:14px;color:#333}.header time:before{content:'▣';color:#bbb;margin-right:7px}
.sidebar{width:251px;position:absolute;top:80px;left:0;bottom:0;min-height:1150px;border-right:1px solid #d3d3d3;padding:38px 20px;background:white}.sidebar nav{display:grid;grid-template-columns:1fr 1fr;gap:15px 10px}.nav-link{grid-column:span 2;border:1px solid #ccc;min-height:34px;display:flex;align-items:center;justify-content:center;text-align:center;background:#fff;padding:6px 3px}.nav-link.half{grid-column:span 1}.nav-link.active{background:var(--blue);border-color:var(--blue);color:#fff}.nav-link:hover{text-decoration:none;background:#f2f7fd}.nav-link.active:hover{background:#3685df}
main{margin-left:251px;padding:55px 35px 25px;min-height:calc(100vh - 80px)}.ip-section,.tool-panels,.directory,footer{max-width:790px;margin-left:auto;margin-right:auto}.ip-section{text-align:center}.ip-logo{font-size:40px;line-height:1.2;font-weight:800;color:#3286df;margin:3px 0 10px;letter-spacing:-1.4px}h1{font-size:22px;margin:0 0 6px;line-height:1.4}.ip-line{font-size:16px;margin:0;line-height:1.8;color:#111}.ip-value{color:#0000b8;text-decoration:underline}.example-label{font-size:11px;color:#999;white-space:nowrap}
.ip-form{display:flex;width:min(650px,100%);margin:72px auto 20px;border:2px solid #539be9;border-radius:3px;overflow:hidden;height:45px}.ip-form input{flex:1;min-width:0;border:0;padding:10px;background:#fff;box-shadow:inset 0 1px 3px #0000000a;border-radius:0}.ip-form button{width:100px;border:0;background:var(--blue);color:#fff;font-size:16px}.ip-form button:hover{background:#3487e2}.device{margin:0 auto 30px;max-width:650px}.device summary{list-style:none;cursor:pointer;background:var(--blue);color:#fff;border:1px solid #3883d7;border-radius:4px;display:block;width:160px;padding:8px 10px;font-size:16px;margin:auto}.device summary::-webkit-details-marker{display:none}.device dl{padding:12px 15px;text-align:left;background:#f6f8fa;overflow-wrap:anywhere;line-height:1.7}.device dt{font-weight:bold}.device dd{margin:0 0 8px}.idc-title{margin:0 0 10px;font-size:16px;font-weight:bold;color:#6ea660}.quick-links{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;margin-bottom:20px}.quick-links a{background:#f3f3f3;border-radius:4px;min-height:31px;padding:7px 3px}.quick-links a:hover{background:#eaf2fb}.quick-links .api-link{background:#ea7c7c;color:white}
.tool-panels{display:grid;grid-template-columns:1fr 1fr;gap:15px 10px}.panel{border:1px solid var(--border);border-radius:7px;overflow:hidden;background:#fff}.panel.wide{grid-column:span 2}.panel h2{position:relative;background:#f7f7f7;border-bottom:1px solid #eee;font-size:16px;line-height:1.4;font-weight:400;margin:0;padding:10px 15px}.panel h2:before{content:'';position:absolute;left:1px;top:11px;height:20px;width:4px;background:var(--blue);border-radius:3px}.tool-form{display:flex;align-items:center;justify-content:center;gap:7px;padding:13px 15px;min-height:57px}.tool-form input{width:100%;min-width:0;max-width:322px;height:32px;border:1px solid #e0e0e0;border-radius:3px;box-shadow:inset 0 1px 2px #00000005;padding:6px 10px}.tool-form button,.tool-extra{white-space:nowrap;height:32px;min-width:64px;border:1px solid #ddd;border-radius:3px;background:linear-gradient(white,#f2f2f2);padding:4px 14px}.tool-extra{display:flex;align-items:center;justify-content:center}.tool-form button:hover,.tool-extra:hover{background:#eaf2fb}.panel.wide .tool-form button{min-width:80px}.panel-notes{font-size:13px;text-align:center;margin:0 10px 15px;color:#777}.panel-notes a{color:#3a86dc}
.directory{margin-top:20px}.utility-group{display:flex;gap:15px;padding:14px 15px;border-bottom:1px solid #eee;line-height:2}.utility-group:last-child{border-bottom:0}.utility-group h3{font-size:14px;font-weight:400;min-width:84px;margin:0;color:#999}.utility-group p{margin:0;display:flex;gap:6px 20px;flex-wrap:wrap}.utility-group a{color:#3e7fbf}footer{text-align:center;margin-top:35px;font-size:12px;color:#999;line-height:1.9}footer p{margin:5px 0}footer a{color:#888}.query-result{margin:-3px auto 20px;max-width:650px;border:1px solid #d5e6f8;text-align:left;padding:16px;background:#f5faff;border-radius:3px}.query-result h2{font-size:16px;color:#2677cb;margin:0 0 12px;overflow-wrap:anywhere}.query-result dl{display:grid;grid-template-columns:72px 1fr;margin:0;line-height:1.9}.query-result dt{color:#888}.query-result dd{margin:0;overflow-wrap:anywhere}.query-result .source{font-size:12px;color:#888;margin:10px 0 0}#query-error{color:#ad3030;margin:0 auto 15px;max-width:650px;line-height:1.6}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}
@media(min-width:1500px){main{padding-top:55px}.ip-section,.tool-panels,.directory,footer{max-width:900px}}
@media(max-width:850px){.header{padding:0 20px}.sidebar{width:190px;padding:30px 12px}.sidebar nav{gap:12px 7px}main{margin-left:190px;padding:40px 20px}.ip-line{font-size:14px}.ip-form{margin-top:50px}.tool-panels{grid-template-columns:1fr}.panel.wide{grid-column:span 1}.utility-group{display:block}.utility-group h3{margin-bottom:4px}}
@media(max-width:600px){.header{height:71px;padding:0 15px}.brand{font-size:24px}.brand-icon{width:42px;height:42px;font-size:47px}.brand small{font-size:13px}.header time{font-size:12px}.sidebar{position:static;min-height:0;width:auto;padding:12px 14px;border-right:0;border-bottom:1px solid #ddd}.sidebar nav{display:flex;overflow:auto;gap:8px;scrollbar-width:thin;padding-bottom:3px}.nav-link,.nav-link.half{flex:0 0 auto;padding:7px 13px;min-height:32px}.sidebar .nav-link:nth-child(n+7){display:none}main{margin-left:0;padding:28px 14px}.ip-logo{font-size:34px}h1{font-size:20px}.ip-line{font-size:14px;line-height:1.9}.ip-form{margin-top:35px;height:44px}.ip-form button{width:74px}.device{margin-bottom:25px}.quick-links a{font-size:12px}.tool-form{padding:12px 10px}.tool-form button{padding:4px 11px}.utility-group{padding:10px 13px}footer{margin-top:25px}}