:root{--ink:#12232e;--ink2:#3d5566;--muted:#6b7f8d;--line:#e2eaf0;--bg:#f6f8fa;--card:#fff;--brand:#0b3c5d;--brand2:#12587f;--accent:#a62b1f;--tag:#e8f1f6;--maxw:1180px}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",sans-serif;line-height:1.75;font-size:15px}
a{color:var(--brand2);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 16px}
header.site{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
header.site .bar{display:flex;align-items:center;gap:14px;flex-wrap:wrap;padding:10px 0}
.logo{font-weight:700;color:var(--brand);font-size:17px;letter-spacing:.3px}
.logo small{display:block;font-weight:400;font-size:11px;color:var(--muted);letter-spacing:.2px}
nav.site{margin-left:auto;display:flex;gap:4px;flex-wrap:wrap}
nav.site a{font-size:14px;color:var(--ink2);padding:6px 10px;border-radius:8px}
nav.site a:hover{background:var(--tag);text-decoration:none}
nav.site a.on{background:var(--brand);color:#fff}
.reflist{margin:6px 0;padding-left:20px}.reflist li{margin:8px 0;font-size:13.5px;line-height:1.5}.reflist a{color:var(--brand)}
/* 科研数据三层入口 */
.research-data-entry{margin:14px 0 2px;max-width:88%}
.research-data-title{margin:8px 0 6px;font-size:13px;line-height:1.4;font-weight:600;color:#444}
.research-data-buttons{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.research-data-button{display:inline-flex;align-items:center;min-width:112px;height:42px;padding:5px 10px;border:1px solid #e6e6e6;border-radius:6px;background:#fff;text-decoration:none;box-sizing:border-box;transition:.15s}
.research-data-button:hover{border-color:#d71920;background:#fff5f5;text-decoration:none}
.research-data-button .icon{flex:0 0 auto;width:18px;height:18px;margin-right:7px;color:#d71920}
.research-data-button .text{display:flex;flex-direction:column;justify-content:center;line-height:1.1}
.research-data-button .label-cn{font-size:13px;font-weight:600;color:#333;white-space:nowrap}
.research-data-button:hover .label-cn{color:#d71920}
.research-data-button .label-en{margin-top:2px;font-size:10px;font-weight:400;color:#888;white-space:nowrap}
.research-data-more{margin-left:4px;font-size:12px;color:#666;white-space:nowrap;text-decoration:none}
.research-data-more:hover{color:#d71920;text-decoration:underline}
@media(max-width:768px){.research-data-buttons{gap:6px}.research-data-button{min-width:0;height:40px;padding:5px 8px}.research-data-button .label-cn{font-size:12px}.research-data-button .label-en{font-size:9px}.research-data-more{width:100%;margin:2px 0 0}}
.rdrail{position:fixed;right:18px;top:50%;transform:translateY(-50%);display:none;flex-direction:column;gap:8px;z-index:60}
.rdrail.on{display:flex}
.rbtn{width:52px;height:52px;border:1px solid var(--line);background:#fff;border-radius:12px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1px;font-size:10px;color:var(--ink2);cursor:pointer;box-shadow:0 2px 10px rgba(11,60,93,.06);padding:0}
.rbtn .ri2{font-size:17px;line-height:1.1}
.rbtn:hover{border-color:var(--accent);color:var(--accent);text-decoration:none}
.rdpanel{position:fixed;right:80px;top:50%;transform:translateY(-50%);background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:0 8px 28px rgba(11,60,93,.14);z-index:61;width:196px;overflow:hidden;display:none}
.rdpanel.on{display:block}
.rdpanel .rdph{background:var(--brand);color:#fff;font-size:13px;padding:9px 12px}
.rdpanel a{display:block;padding:9px 12px;font-size:13.5px;color:var(--ink);border-top:1px solid var(--line)}
.rdpanel a:hover{background:var(--tag);text-decoration:none}
.rdmb{display:none}
.rdsheet{display:none}
.rdsum ul{margin:6px 0;padding-left:20px;font-size:13.5px}.rdsum li{margin:5px 0}
@media(max-width:820px){.rdrail,.rdpanel{display:none!important}
 .rdmb{display:block;position:fixed;left:12px;right:12px;bottom:12px;z-index:60}
 .rdmb button{width:100%;height:44px;border-radius:10px;border:1px solid var(--brand);background:#fff;color:var(--brand);font-size:14px;font-weight:600}
 .rdsheet{position:fixed;left:0;right:0;bottom:0;background:#fff;border-radius:14px 14px 0 0;box-shadow:0 -6px 24px rgba(11,60,93,.18);z-index:62;padding:6px 0 14px}
 .rdsheet.on{display:block}
 .rdsheet a{display:block;padding:12px 18px;font-size:15px;color:var(--ink);border-top:1px solid var(--line)}
 .rdsheet .rdsh{text-align:center;font-size:12px;color:var(--muted);padding:6px}
}
main{padding:22px 0 48px}
h1{font-size:24px;line-height:1.4;margin:.2em 0 .3em;color:var(--brand)}
h2{font-size:18px;margin:1.6em 0 .5em;color:var(--brand);border-left:3px solid var(--brand);padding-left:9px}
h3{font-size:16px;margin:1em 0 .4em}
.crumb{font-size:12.5px;color:var(--muted);padding:10px 0}
.crumb a{color:var(--muted)}
.lead{color:var(--ink2);font-size:14.5px;line-height:1.85}
.tags{display:flex;gap:6px;flex-wrap:wrap;margin:10px 0}
.tag{font-size:12px;background:var(--tag);color:var(--brand);border-radius:999px;padding:3px 10px}
.tag.g{background:#eef7ee;color:#2f6b34}
.tag.r{background:#fdecea;color:var(--accent)}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px 18px;margin:14px 0;box-shadow:0 1px 2px rgba(11,60,93,.04)}
table.info{width:100%;border-collapse:collapse;font-size:14px}
table.info th,table.info td{border:1px solid var(--line);padding:9px 11px;text-align:left;vertical-align:top}
table.info th{background:#f2f7fa;color:var(--brand);width:132px;font-weight:600;white-space:nowrap}
table.info tr:nth-child(even) td{background:#fcfdfe}
.faq .q{font-weight:600;color:var(--brand);margin:12px 0 3px}
.faq .a{color:var(--ink2);margin:0 0 6px}
.rel{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:10px}
.rel a{display:block;background:#fff;border:1px solid var(--line);border-radius:10px;padding:10px 12px;font-size:13.5px}
.rel a small{display:block;color:var(--muted);font-size:12px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:12px}
.clink{display:block;background:#fff;border:1px solid var(--line);border-radius:12px;padding:13px 14px}
.clink h3{margin:0 0 3px;font-size:15px}
.clink .en{font-size:12px;color:var(--muted);min-height:16px;word-break:break-word}
.clink .meta{font-size:12.5px;color:var(--ink2);margin-top:6px}
.clink .sku{font-size:12px;color:var(--brand);font-weight:600}
.mutbox{display:flex;flex-wrap:wrap;gap:6px;margin:8px 0 0}
.mut{font-size:12px;background:#fdecea;color:var(--accent);border:1px solid #f6c9c3;border-radius:6px;padding:2px 7px;font-family:ui-monospace,Consolas,Menlo,monospace}
.btn{display:inline-block;background:var(--brand);color:#fff;border-radius:9px;padding:10px 16px;font-size:14px;border:0;cursor:pointer}
.btn:hover{background:var(--brand2);text-decoration:none}
.btn.ghost{background:#fff;color:var(--brand);border:1px solid var(--brand)}
.cta{background:linear-gradient(180deg,#f2f7fa,#fff);border:1px solid var(--line);border-radius:12px;padding:16px 18px;margin:16px 0}
.rowlinks{display:flex;gap:10px;flex-wrap:wrap;margin-top:10px}
input,select,textarea{font:inherit;padding:9px 11px;border:1px solid #cfdbe3;border-radius:9px;background:#fff;color:var(--ink);max-width:100%}
input[type=search]{width:100%}
.filters{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:10px}
.filters label{display:block;font-size:12.5px;color:var(--muted);margin-bottom:3px}
.filters select,.filters input{width:100%}
.bar2{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin:12px 0}
.count{font-size:13px;color:var(--muted)}
.pager{display:flex;gap:6px;flex-wrap:wrap;justify-content:center;margin:18px 0}
.pager button{border:1px solid var(--line);background:#fff;border-radius:8px;padding:6px 11px;cursor:pointer;font-size:13px}
.pager button.on{background:var(--brand);color:#fff;border-color:var(--brand)}
.note{font-size:12.5px;color:var(--muted);line-height:1.8}
.warn{background:#fff8e6;border:1px solid #f0dca8;border-radius:10px;padding:11px 14px;font-size:13px;color:#7a5a10;margin:12px 0}
.k-warn{border:1px solid var(--line)}
.pill{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;background:#f2f7fa;border:1px solid var(--line);border-radius:999px;padding:4px 11px;margin:0 6px 6px 0;cursor:pointer}
.pill.on{background:var(--brand);color:#fff;border-color:var(--brand)}
.mono{font-family:ui-monospace,Consolas,Menlo,monospace;font-size:12.5px}
pre.out{background:#0f2231;color:#d7e6f0;border-radius:10px;padding:12px;overflow:auto;font-size:12.5px;line-height:1.6}
footer.site{background:#0b3c5d;color:#cfe0ec;margin-top:36px;padding:22px 0;font-size:13px;line-height:1.9}
footer.site a{color:#fff}
footer.site .fin{color:#9dbdd4;font-size:12px;margin-top:8px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.hero{background:#fff;border:1px solid var(--line);border-radius:14px;padding:26px 20px;text-align:center}
.hero h1{font-size:27px;margin-top:0}
.hero .sub{color:var(--ink2);font-size:15px;max-width:720px;margin:6px auto 16px}
.hero form{display:flex;gap:8px;max-width:620px;margin:0 auto;flex-wrap:wrap}
.hero form input{flex:1;min-width:220px}
.sugg{margin-top:10px;font-size:13px;color:var(--muted)}
.sugg a{margin:0 6px}
.tools3{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:12px}
.tools3 a{display:block;background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px}
.tools3 b{color:var(--brand);font-size:15.5px}
.tools3 p{margin:6px 0 0;font-size:13px;color:var(--ink2)}
@media(max-width:640px){h1{font-size:21px}.hero h1{font-size:22px}table.info th{width:104px;font-size:13px}table.info th,table.info td{padding:7px 8px}}