:root{--accent:#175E8F;--accent-deep:#0F4A73;--text:#1C2B36;--mut:#5A6B77;--bg:#F6F9FB;
--card:#FFFFFF;--border:#D9E4EC;--soft:#E3EEF6;--good:#1E7B4F;--bad:#B3423A}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font:16px/1.65 "Segoe UI",system-ui,-apple-system,sans-serif;
min-height:100vh;display:flex;flex-direction:column}
body>*{min-width:0;width:100%}
img{max-width:100%}
a{color:var(--accent-deep)}
h1,h2,h3{line-height:1.25;color:var(--text);overflow-wrap:anywhere}
h2{margin-top:2em}
/* ---------- nav ---------- */
.topnav{position:sticky;top:0;z-index:40;background:rgba(246,249,251,.94);backdrop-filter:blur(8px);
border-bottom:1px solid var(--border)}
.navin{max-width:1160px;margin:0 auto;padding:10px 20px;display:flex;align-items:center;gap:18px}
.brand{display:flex;align-items:center;gap:9px;font-weight:800;font-size:1.04rem;color:var(--text);
text-decoration:none;white-space:nowrap;flex-shrink:0}
.nav-links{display:flex;gap:4px;flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none;margin-left:auto}
.nav-links::-webkit-scrollbar{display:none}
.nav-links a{color:var(--text);text-decoration:none;font-size:.92rem;padding:7px 11px;border-radius:9px;
white-space:nowrap;transition:background .15s}
.nav-links a:hover{background:var(--soft)}
.nav-links a:active{transform:scale(.97)}
.nav-links a:focus-visible,.brand:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
/* site-search（通用组件样式注入清单内） */
.site-search{position:relative;flex-shrink:0}
.site-search-input{width:170px;padding:8px 12px;border:2px solid var(--border);border-radius:10px;
background:#fff;color:var(--text);font-size:.9rem;transition:border-color .15s}
.site-search-input:focus{outline:none;border-color:var(--accent)}
.site-search-panel{position:absolute;right:0;top:calc(100% + 6px);width:300px;max-height:340px;overflow:auto;
background:#fff;border:1px solid var(--border);border-radius:12px;box-shadow:0 14px 34px rgba(15,42,64,.16);
display:none;z-index:60}
.site-search-item{display:block;padding:9px 14px;font-size:.9rem;cursor:pointer;color:var(--text);
text-decoration:none}
.site-search-item b{display:block;font-size:.88rem}
.site-search-item span{display:block;color:var(--mut);font-size:.78rem}
.site-search-item:hover,.site-search-item.on{background:var(--soft)}
.site-search-panel.on{display:block}
@media(max-width:840px){.site-search-input{width:130px}
.navin{flex-wrap:wrap;row-gap:8px}
.nav-links{order:3;flex-basis:100%;margin-left:0;overflow-x:auto}}
/* ---------- hero ---------- */
.hero{max-width:1160px;margin:0 auto;padding:46px 20px 10px}
.hero-in{display:grid;grid-template-columns:1.08fr .92fr;gap:30px;align-items:center}
.kicker{display:inline-block;background:var(--soft);color:var(--accent-deep);font-size:.8rem;font-weight:700;
padding:4px 12px;border-radius:999px;letter-spacing:.04em;text-transform:uppercase}
.hero h1{font-size:clamp(1.9rem,4.2vw,2.9rem);margin:.5em 0 .35em}
.hero .sub{font-size:1.06rem;color:var(--mut);margin:0 0 1.2em;max-width:36em}
.hero{position:relative}
.hero-art{display:flex;justify-content:center}
.hero-art svg{width:min(100%,470px);height:auto}
@media(max-width:840px){.hero-in{grid-template-columns:1fr}.hero{padding-top:26px}
.hero-art{position:absolute;right:0;top:4px;width:min(78%,300px);opacity:.16;pointer-events:none}}
/* ---------- pub chip / cta ---------- */
.wrap{max-width:1160px;margin:0 auto;padding:0 20px}
.tools{max-width:1160px;margin:0 auto;padding:0 20px}
.pub-chip{display:flex;align-items:center;gap:8px;font-size:.88rem;color:var(--mut);margin:2px 0 14px;max-width:800px}
.pub-chip .dot{width:9px;height:9px;border-radius:50%;background:var(--good);display:inline-block;flex-shrink:0}
.cta-row{display:flex;gap:10px;flex-wrap:wrap;margin:6px 0 14px}
/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:8px;background:linear-gradient(135deg,#2071AA,#175E8F);
color:#fff;border:none;border-radius:12px;padding:12px 20px;font-size:.98rem;font-weight:700;cursor:pointer;
text-decoration:none;transition:box-shadow .15s,filter .15s}
.btn:hover{box-shadow:0 6px 16px rgba(23,94,143,.32);filter:brightness(1.06)}
.btn:active{transform:scale(.98)}
.btn:focus-visible{outline:2px solid var(--accent-deep);outline-offset:2px}
.btn.ghost{background:#fff;color:var(--accent-deep);border:2px solid var(--border)}
.btn.ghost:hover{border-color:var(--accent);box-shadow:none;transform:none}
/* ---------- form cards grid ---------- */
.fgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:8px 0 10px}
.fcard{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:18px 18px 14px;
text-decoration:none;color:var(--text);display:flex;flex-direction:column;gap:5px;
transition:border-color .15s,box-shadow .15s}
.fcard:hover{border-color:var(--accent);box-shadow:0 8px 18px rgba(23,94,143,.12)}
.fcard:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.fcode{font-size:.78rem;font-weight:800;letter-spacing:.06em;color:var(--accent)}
.fcard b{font-size:1rem;line-height:1.3}
.fstat{font-size:1.45rem;font-weight:800;color:var(--accent-deep);font-variant-numeric:tabular-nums}
.fsub{font-size:.84rem;color:var(--mut);flex:1}
.flink{font-size:.85rem;font-weight:700;color:var(--accent)}
@media(max-width:900px){.fgrid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.fgrid{grid-template-columns:1fr}}
/* ---------- prose ---------- */
.prose{max-width:900px;margin:34px auto;padding:16px 20px 0}
.prose h1{font-size:clamp(1.8rem,3.5vw,2.3rem)}
.prose p{color:#2C3E4A;max-width:800px}
.qa p,.gloss-item p,.status-meaning,.status-action,.notes{max-width:800px}
.prose figure{margin:26px 0}
.prose figcaption{font-size:.86rem;color:var(--mut);text-align:center;margin-top:8px}
.prose figure .figimg{display:block;margin:0 auto}
.notes{margin:12px 0;padding-left:22px;color:#2C3E4A;font-size:.94rem}
.notes li{margin-bottom:6px}
.plinks{max-width:1160px;margin:10px auto 40px;padding:0 20px}
.plinks h2{font-size:1.2rem}
/* ---------- tables ---------- */
.tbl-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;margin:18px 0}
table.data{border-collapse:collapse;width:100%;min-width:640px;background:var(--card);
border:1px solid var(--border);border-radius:14px;overflow:hidden}
.data caption{caption-side:top;text-align:left;font-size:.86rem;color:var(--mut);padding:0 4px 8px}
.data th{white-space:nowrap;background:var(--soft);color:var(--text);text-align:left;
padding:10px 12px;font-size:.85rem;border-bottom:2px solid var(--border)}
.data td{padding:9px 12px;border-bottom:1px solid var(--border);font-size:.92rem;vertical-align:top}
.data tbody tr:last-child td{border-bottom:none}
.data td.num{white-space:nowrap;font-variant-numeric:tabular-nums}
.sortable-header{cursor:pointer;user-select:none;transition:background-color .2s}
.sortable-header:hover{background:rgba(15,74,115,.10)}
.sort-icon{font-size:.72em;opacity:.45}
.sortable-header.sort-asc .sort-icon::after{content:' ▲';opacity:1}
.sortable-header.sort-desc .sort-icon::after{content:' ▼';opacity:1}
.sortable-header.sort-asc,.sortable-header.sort-desc{background:rgba(15,74,115,.14)}
.tbl-note{font-size:.85rem;color:var(--mut)}
.rownote{font-size:.8rem;color:var(--mut);margin-top:3px;max-width:34em}
/* ---------- trend chips ---------- */
.trend{display:inline-block;font-weight:700;font-size:.85rem;font-variant-numeric:tabular-nums}
.trend.up{color:var(--bad)}
.trend.down{color:var(--good)}
.trend.flat{color:var(--mut);font-weight:500}
/* ---------- status items / glossary ---------- */
.status-list{max-width:900px;margin:6px auto;padding:0 20px;display:grid;gap:14px}
.status-item{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:16px 20px}
.status-quote{margin:0 0 6px;font-size:1.02rem;color:var(--accent-deep)}
.status-meaning{margin:0 0 6px;color:#2C3E4A}
.status-action{margin:0;font-size:.92rem;color:var(--mut)}
.gloss-list{max-width:900px;margin:6px auto;padding:0 20px;display:grid;gap:14px}
.gloss-item{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:13px 18px}
.gloss-item h3{margin:0 0 4px;font-size:.98rem}
.gloss-item p{margin:0;font-size:.93rem;color:#2C3E4A}
/* ---------- estimator ---------- */
.tool{background:var(--card);border:1px solid var(--border);border-radius:20px;box-shadow:0 10px 30px rgba(15,42,64,.08);
max-width:760px;margin:18px auto 8px;padding:26px 26px 18px}
.erow{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:12px}
.erow.single{grid-template-columns:1fr}
.tlabel{display:block;font-size:.82rem;font-weight:700;color:var(--mut);margin-bottom:6px}
.tool select,.tool input[type=date]{width:100%;padding:12px 14px;font-size:1rem;border:2px solid var(--border);
border-radius:12px;background:#FDFEFF;color:var(--text);transition:border-color .15s}
.tool select:hover,.tool input[type=date]:hover{border-color:#9FC0D8}
.tool select:focus,.tool input[type=date]:focus{outline:none;border-color:var(--accent)}
.tactions{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}
.tnote{font-size:.83rem;color:var(--mut);margin:12px 0 0}
.est-result{margin-top:16px;border-radius:14px;padding:16px 18px;border:2px solid var(--border);background:var(--bg)}
.est-result .verdict{font-size:1.15rem;font-weight:800;margin:0 0 8px}
.est-result.ok .verdict{color:var(--good)}
.est-result.warn .verdict{color:#8A6A1F}
.est-result.late .verdict{color:var(--bad)}
.est-result p{margin:6px 0;font-size:.94rem;color:#2C3E4A}
.est-result .est-actions{margin-top:10px;display:flex;gap:10px;flex-wrap:wrap}
@media(max-width:600px){.erow{grid-template-columns:1fr}}
/* ---------- filter ---------- */
.filterbox{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin:4px 0 10px}
.filterbox label{font-size:.9rem;font-weight:700;color:var(--mut)}
.filterbox input{flex:1;min-width:260px;max-width:560px;padding:12px 16px;border:2px solid var(--border);
border-radius:12px;background:#fff;font-size:1.02rem;color:var(--text)}
.filterbox input:focus{outline:none;border-color:var(--accent)}
/* ---------- related ---------- */
.rgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.rcard{display:flex;flex-direction:column;gap:6px;background:var(--card);border:1px solid var(--border);
border-radius:14px;padding:16px;text-decoration:none;color:var(--text);transition:border-color .15s,box-shadow .15s}
.rcard b{font-size:.95rem}
.rcard span{font-size:.84rem;color:var(--accent-deep);font-weight:600;margin-top:auto}
.rcard:hover{border-color:var(--accent);box-shadow:0 6px 14px rgba(23,94,143,.14)}
.rcard:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
@media(max-width:900px){.rgrid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.rgrid{grid-template-columns:1fr}}
/* ---------- faq ---------- */
.faq{max-width:900px;margin:10px auto 46px;padding:0 20px}
.faq h2{font-size:1.2rem}
.qa{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:14px 18px;margin-bottom:10px}
.qa h3{margin:0 0 6px;font-size:1rem}
.qa p{margin:0;color:#2C3E4A;font-size:.95rem}
/* ---------- crumbs / 404 / footer ---------- */
.crumbs{max-width:900px;margin:22px auto 0;padding:0 20px;font-size:.86rem;color:var(--mut)}
.c-sep{margin:0 7px}
.nf-wrap{max-width:640px;margin:60px auto;padding:0 20px;text-align:center}
.nf-wrap>svg{width:min(60%,260px);height:auto}
.nf-cta{margin:26px 0}
.chips{display:flex;gap:10px;flex-wrap:wrap;justify-content:center}
.chip{background:#fff;border:2px solid var(--border);color:var(--accent-deep);border-radius:999px;
padding:8px 16px;text-decoration:none;font-weight:600;font-size:.9rem}
.chip:hover{border-color:var(--accent)}
.chip:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
footer.site{margin-top:auto;background:#142432;color:#D7E5EF;padding:44px 20px 26px}
.foot-grid{max-width:1160px;margin:0 auto;display:grid;grid-template-columns:1.7fr 1fr 1fr 0.9fr;gap:32px}
footer.site h4{margin:0 0 10px;color:#fff;font-size:.82rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase}
footer.site nav a{display:block;color:#B9CEDD;text-decoration:none;font-size:.9rem;padding:4px 0}
footer.site nav a:hover{color:#fff;text-decoration:underline}
footer.site nav a:focus-visible{outline:2px solid #7FB2D6;outline-offset:2px}
footer.site p{font-size:.9rem;color:#9FB6C6;line-height:1.65;margin:0;max-width:34em}
.foot-brand{display:flex;align-items:center;gap:9px;margin-bottom:12px;color:#fff}
.foot-brand b{font-size:1.02rem}
.foot-base{max-width:1160px;margin:26px auto 0;padding-top:16px;border-top:1px solid rgba(255,255,255,.14);
font-size:.82rem;color:#8FA8B9;line-height:1.6}
@media(max-width:960px){.foot-grid{grid-template-columns:1fr 1fr;gap:26px}
.foot-brandcol{grid-column:1 / -1}}
@media(max-width:560px){.foot-grid{grid-template-columns:1fr}}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto}}.ig{margin:26px 0;background:#fff;border:1px solid #E5E7EB;border-radius:16px;padding:14px;max-width:100%}.ig{overflow-x:auto}.ig img{min-width:560px}.ig img{width:100%;height:auto;display:block}.ig figcaption{text-align:center;font-size:13px;color:#6B7280;margin-top:8px}