/* ============================================================
   鲁班 · 工程安全工具集 — Design System
   ============================================================ */

/* --- Tokens --- */
:root{
  --navy:#0B3D62; --navy-d:#082C47; --navy-l:#163F61;
  --accent:#E8703A; --accent-l:#F08A5A; --accent-d:#cf5d27;
  --blue:#2E86C1; --blue-l:#5BA3D4;
  --ink:#1A2530; --sub:#6B7A88; --sub-l:#94A3B2;
  --line:#E2E9F0; --bg:#F5F8FC; --bg-warm:#FFFBF7;
  --card:#FFFFFF;
  --red:#D7263D; --org:#E8772E; --yel:#D4A017; --grn:#2E9E5B;
  --r:14px;
  --sh:0 2px 12px rgba(11,61,98,.06),0 1px 3px rgba(0,0,0,.04);
  --sh-h:0 8px 30px rgba(11,61,98,.12),0 2px 8px rgba(0,0,0,.06);
  --sh-btn:0 4px 16px rgba(232,112,58,.28);
}

/* --- Reset & Base --- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,sans-serif;
  color:var(--ink); background:var(--bg);
  line-height:1.7; font-size:15.5px; -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
a{color:inherit;text-decoration:none;transition:color .18s}
img{max-width:100%;height:auto}
.mono{font-family:"SF Mono",SFMono-Regular,ui-monospace,Consolas,monospace;font-size:.88em;color:var(--sub)}
.muted{color:var(--sub);font-size:13.5px;margin-top:6px}
code{background:rgba(46,134,193,.08);color:var(--blue);padding:2px 8px;border-radius:6px;font-size:13px;font-family:ui-monospace,Consolas,monospace}
.dot{margin:6px 0 0;padding-left:20px}
.dot li{margin:6px 0;color:var(--ink);font-size:14px;line-height:1.6}
::selection{background:rgba(232,112,58,.18);color:var(--ink)}

/* ═══════════ NAV ═══════════ */
.nav{
  position:sticky;top:0;z-index:100;
  background:rgba(255,255,255,.85); backdrop-filter:saturate(180%) blur(12px);
  -webkit-backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid var(--line);
}
.nav-inner{
  max-width:1140px;margin:0 auto;padding:13px 24px;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
}
.brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:var(--navy);letter-spacing:-.02em}
.brand-text i{color:var(--accent);font-style:normal;margin:0 1px}
.brand-mark{
  display:grid;place-items:center;width:32px;height:32px;border-radius:8px;
  background:linear-gradient(135deg,var(--navy),var(--blue));color:#fff;font-size:16px;font-weight:800;
}
.brand-mark.sm{width:26px;height:26px;font-size:13px}
.nav-links{display:flex;gap:4px;flex-wrap:wrap}
.nav-a{padding:8px 15px;border-radius:8px;color:var(--sub);font-weight:500;font-size:14.5px;transition:all .18s}
.nav-a:hover{color:var(--navy);background:rgba(11,61,98,.06)}
.nav-a.active{color:#fff;background:linear-gradient(135deg,var(--navy),var(--blue));box-shadow:0 2px 8px rgba(11,61,98,.2)}
.nav-cta{
  padding:9px 18px;border-radius:9px;font-weight:600;font-size:14px;color:#fff;
  background:linear-gradient(135deg,var(--accent),var(--accent-d));box-shadow:var(--sh-btn);white-space:nowrap;
}
.nav-cta:hover{transform:translateY(-1px)}

/* ═══════════ LAYOUT ═══════════ */
main{max-width:1140px;margin:0 auto;padding:0 24px}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r);
  padding:28px 30px;margin:20px 0;box-shadow:var(--sh);
  transition:box-shadow .22s,transform .22s;
}
.card:hover{box-shadow:var(--sh-h)}
.card h2{font-size:19px;color:var(--navy);margin-bottom:16px;display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.card h2 .sub-h{font-size:13px;color:var(--sub);font-weight:400}
.page-head{max-width:720px;margin:36px auto 8px;text-align:center}
.page-head h1{font-size:31px;color:var(--navy);margin-bottom:12px;letter-spacing:-.01em}
.page-head p{color:var(--sub);font-size:15.5px;line-height:1.65}
.ph-icon{font-size:46px;margin-bottom:8px}
.ver{font-size:15px;color:var(--accent);font-weight:700;vertical-align:middle}
.cta-row{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin:8px 0 40px}

/* ═══════════ HERO ═══════════ */
.hero{
  position:relative;overflow:hidden;
  background:linear-gradient(145deg,var(--navy-d) 0%,var(--navy) 50%,#1a5a8a 100%);
  color:#fff;border-radius:20px;padding:72px 44px;margin:26px 0;text-align:center;
}
.hero-sm{padding:30px 32px;margin:14px 0}
.hero-glow{
  position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(ellipse 700px 350px at 75% -5%,rgba(232,112,58,.30),transparent),
    radial-gradient(ellipse 550px 300px at 15% 110%,rgba(46,134,193,.35),transparent);
}
.hero-inner{position:relative;z-index:1}
.hero-badge{
  display:inline-block;padding:7px 18px;border:1px solid rgba(255,255,255,.28);
  border-radius:40px;font-size:13px;margin-bottom:24px;color:rgba(255,255,255,.88);letter-spacing:.04em;font-weight:500;
}
.hero h1{font-size:40px;line-height:1.2;margin-bottom:20px;letter-spacing:-.02em;font-weight:800}
.hero-sm h1{font-size:27px;line-height:1.18;margin-bottom:10px}
.hero-sm .hero-sub{font-size:14px;max-width:540px;line-height:1.6;margin:0 auto 16px}
.hero-sm .hero-badge{margin-bottom:11px}
.hero-sm .hero-actions{gap:10px;margin-top:2px}
.hero h1 .hl{color:var(--accent-l);font-style:normal}
.hero-sub{font-size:16px;color:rgba(220,231,240,.9);max-width:640px;margin:0 auto 30px;line-height:1.7}
.hero-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* ═══════════ BUTTONS ═══════════ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  padding:12px 24px;border-radius:10px;font-weight:600;font-size:15px;
  transition:all .2s;cursor:pointer;border:1px solid transparent;white-space:nowrap;
}
.btn-lg{padding:14px 30px;font-size:16px}
.btn-primary{background:linear-gradient(135deg,var(--accent),var(--accent-d));color:#fff;box-shadow:var(--sh-btn)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(232,112,58,.40)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:rgba(255,255,255,.10);color:#fff;border-color:rgba(255,255,255,.32)}
.btn-ghost:hover{background:rgba(255,255,255,.20);border-color:rgba(255,255,255,.5)}
.card .btn-ghost{color:var(--navy);border-color:var(--line);background:rgba(11,61,98,.04)}
.card .btn-ghost:hover{background:rgba(11,61,98,.08)}
.btn-outline{background:rgba(11,61,98,.05);color:var(--navy);border:1.5px solid var(--line)}
.btn-outline:hover{background:var(--navy);color:#fff;border-color:var(--navy);transform:translateY(-1px)}

/* ═══════════ FEATURES ═══════════ */
.features{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin:36px 0}
.features.compact{grid-template-columns:repeat(4,1fr);gap:16px;margin:26px 0}
.features.compact .feature-card{padding:22px 18px}
.features.compact .feature-icon{width:42px;height:42px;font-size:20px;margin-bottom:12px;border-radius:11px}
.features.compact .feature-card h3{font-size:15.5px}
.features.compact .feature-card p{font-size:13px;line-height:1.6}
.feature-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r);
  padding:30px 26px;box-shadow:var(--sh);transition:all .22s ease;
  display:flex;flex-direction:column;position:relative;overflow:hidden;
}
.feature-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--accent),var(--blue));opacity:0;transition:opacity .22s}
.feature-card:hover::before{opacity:1}
.feature-card:hover{transform:translateY(-4px);box-shadow:var(--sh-h);border-color:#c8dae8}
.feature-icon{width:48px;height:48px;border-radius:12px;display:grid;place-items:center;font-size:24px;margin-bottom:18px;background:linear-gradient(135deg,rgba(232,112,58,.10),rgba(46,134,193,.08))}
.feature-card h3{font-size:17px;color:var(--navy);margin-bottom:10px;font-weight:700}
.feature-card p{color:var(--sub);font-size:14px;line-height:1.65;flex:1}

/* ═══════════ SECTIONS ═══════════ */
.sec{margin:48px 0}
.sec-head{text-align:center;margin-bottom:14px}
.sec-head h2{font-size:25px;color:var(--navy);letter-spacing:-.01em}
.sec-head p{color:var(--sub);font-size:15px;margin-top:6px}
.sec-alt{background:rgba(255,255,255,.6);border:1px solid var(--line);border-radius:20px;padding:36px 30px;box-shadow:var(--sh)}

/* 两大软件 */
.prod-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;margin-top:26px}
.prod-card{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:32px 30px;box-shadow:var(--sh);position:relative;overflow:hidden;transition:all .22s}
.prod-card:hover{transform:translateY(-4px);box-shadow:var(--sh-h);border-color:#c8dae8}
.prod-ic{
  width:56px;height:56px;border-radius:14px;display:grid;place-items:center;font-size:28px;margin-bottom:16px;
  background:linear-gradient(135deg,var(--c1,#0B3D62),var(--c2,#2E86C1));color:#fff;
}
.prod-card h3{font-size:21px;color:var(--navy);font-weight:800;display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.prod-old{font-size:12px;color:var(--sub);background:rgba(11,61,98,.06);padding:3px 10px;border-radius:20px;font-weight:600}
.prod-card>p{color:var(--sub);font-size:14.5px;line-height:1.68;margin:12px 0 16px}
.prod-feats{list-style:none;display:flex;flex-direction:column;gap:8px;margin-bottom:18px}
.prod-feats li{position:relative;padding-left:22px;color:var(--ink);font-size:14px}
.prod-feats li::before{content:'✓';position:absolute;left:0;color:var(--grn);font-weight:800}
.prod-links{display:flex;gap:16px;flex-wrap:wrap;border-top:1px dashed var(--line);padding-top:16px}
.lnk{color:var(--accent);font-weight:600;font-size:14px;transition:gap .2s}
.lnk:hover{color:var(--accent-d)}

/* 两大软件 — 放大版 */
.prod-grid-lg{grid-template-columns:repeat(2,1fr);gap:28px;margin-top:28px}
.prod-card-lg{
  padding:38px 34px;border-radius:20px;
}
.prod-card-lg .prod-ic{width:64px;height:64px;font-size:32px;border-radius:16px;margin-bottom:18px}
.prod-card-lg h3{font-size:23px}
.prod-card-lg>p{font-size:15px}
.prod-card-lg .prod-feats li{font-size:14.5px;padding-left:24px}

/* 两大功能 */
.fn-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:24px}
.fn-card{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:30px;box-shadow:var(--sh);transition:all .22s}
.fn-card:hover{transform:translateY(-4px);box-shadow:var(--sh-h)}
.fn-ic{width:50px;height:50px;border-radius:13px;display:grid;place-items:center;font-size:25px;margin-bottom:14px;background:linear-gradient(135deg,rgba(232,112,58,.10),rgba(46,134,193,.08))}
.fn-card h3{font-size:19px;color:var(--navy);margin-bottom:8px}
.fn-card>p{color:var(--sub);font-size:14px;line-height:1.62;margin-bottom:18px}
.fn-search{display:flex;gap:8px}
.fn-search input{flex:1;padding:13px 16px;border:1.5px solid var(--line);border-radius:11px;font-size:14.5px;outline:none;transition:border-color .2s,box-shadow .2s;background:#fff;color:var(--ink)}
.fn-search input:focus{border-color:var(--blue);box-shadow:0 0 0 4px rgba(46,134,193,.12)}
.fn-search button{padding:0 22px;border:none;border-radius:11px;background:linear-gradient(135deg,var(--navy),var(--blue));color:#fff;font-weight:600;font-size:14.5px;cursor:pointer;transition:all .2s}
.fn-search button:hover{filter:brightness(1.08)}
.fn-more{display:inline-block;margin-top:16px;color:var(--blue);font-weight:600;font-size:14px}

/* 免责 */
.disclaimer{margin:44px 0 10px}
.disc-inner{background:linear-gradient(135deg,#FDF8F3,#FEF6EE);border:1px solid #F0DDBF;border-radius:14px;padding:20px 24px;font-size:13.5px;color:#7A6040;line-height:1.7}
.disc-inner b{color:#9A6B28}

/* ═══════════ THI / 说明 ═══════════ */
.thi-formula{background:#F0F5FA;border:1px solid var(--line);border-radius:12px;padding:16px 20px;text-align:center;font-size:16px;color:var(--navy);font-weight:600;margin:8px 0 18px;letter-spacing:.01em}
.thi-formula sub{font-size:11px}
.note-box{background:var(--bg-warm);border:1px solid #F0DEBD;border-radius:12px;padding:18px 22px;margin:6px 0 16px}
.note-t{font-weight:700;color:var(--accent-d);font-size:15px;margin-bottom:8px}
.note-box p{font-size:14px;color:var(--ink);line-height:1.65;margin:6px 0}
.note-box .dot li{font-size:13.5px}
.src-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:0 28px}
.src-row{display:flex;justify-content:space-between;gap:16px;padding:11px 0;border-bottom:1px dashed #EDF1F5}
.src-k{color:var(--navy);font-weight:600;font-size:13.5px;flex-shrink:0}
.src-v{color:var(--sub);font-size:13px;text-align:right;line-height:1.5}
.src-tag{font-size:11px;color:var(--accent-d);background:rgba(232,112,58,.10);padding:2px 9px;border-radius:20px;font-weight:600}
.thi-note.src{border-left-color:var(--blue)}
.src-legend{display:flex;flex-direction:column;gap:4px;margin-top:12px}
.src-legend span{font-size:12px;color:var(--sub-l);line-height:1.5}

/* ═══════════ WARN CARD (鲁班标准注意事项) ═══════════ */
.warn-card{border-color:#F0C9C0;background:linear-gradient(180deg,#FFF7F5,#FFFDFC)}
.warn-banner{background:rgba(215,38,61,.07);border:1px solid rgba(215,38,61,.20);border-radius:10px;padding:12px 16px;font-size:14px;color:var(--red);line-height:1.6;margin:4px 0 18px}
.warn-banner b{color:#a51f30}
.sub-h3{font-size:16px;color:var(--navy);margin:16px 0 4px;font-weight:700}
.sol-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin:8px 0}
.sol{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px 18px}
.sol-t{font-weight:700;color:var(--navy);font-size:14.5px;margin-bottom:6px}
.sol p{font-size:13.5px;color:var(--ink);line-height:1.6}
.sol code{margin:0 2px}

/* changelog */
.changelog{display:flex;flex-direction:column;gap:0}
.cl-item{display:flex;gap:18px;padding:16px 0;border-bottom:1px dashed var(--line)}
.cl-ver{font-weight:800;color:var(--navy);min-width:74px;font-size:15px}
.cl-date{font-size:12px;color:var(--sub-l);min-width:74px;text-align:right;padding-top:3px}
.cl-body{color:var(--ink);font-size:14px;line-height:1.6;flex:1}
.cl-body b{color:var(--accent-d)}

/* ═══════════ BIG SEARCH (db / standards) ═══════════ */
.big-search{display:flex;gap:10px;margin:26px 0 6px}
.big-search input{flex:1;padding:16px 22px;border:2px solid var(--line);border-radius:14px;font-size:16px;outline:none;transition:border-color .2s,box-shadow .2s;background:#fff;color:var(--ink);box-shadow:var(--sh)}
.big-search input::placeholder{color:var(--sub-l)}
.big-search input:focus{border-color:var(--blue);box-shadow:0 0 0 4px rgba(46,134,193,.12)}
.big-search button{padding:0 34px;border:none;border-radius:14px;background:linear-gradient(135deg,var(--accent),var(--accent-d));color:#fff;font-weight:700;font-size:16px;cursor:pointer;box-shadow:var(--sh-btn);transition:all .2s}
.big-search button:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(232,112,58,.4)}
.result-meta{color:var(--sub);font-size:14px;margin:14px 0 16px}
.result-meta b{color:var(--navy)}
.db-tip{background:rgba(46,134,193,.06);border:1px solid rgba(46,134,193,.18);border-radius:12px;padding:14px 18px;font-size:13.5px;color:var(--navy-l);margin:24px 0;line-height:1.6}
.db-tip a{color:var(--accent);font-weight:600}

/* db results */
.res-list{display:flex;flex-direction:column;gap:10px}

/* 页签切换（单物质 / 批量） */
.seg-wrap{text-align:center;margin:20px 0 6px}
.seg{display:inline-flex;background:rgba(11,61,98,.06);border:1px solid var(--line);border-radius:12px;padding:4px;gap:4px}
.seg button{border:none;background:transparent;padding:10px 26px;border-radius:9px;font-weight:600;font-size:14.5px;color:var(--sub);cursor:pointer;transition:all .18s;font-family:inherit}
.seg button:hover{color:var(--navy)}
.seg button.active{background:#fff;color:var(--navy);box-shadow:0 1px 5px rgba(11,61,98,.14)}
.seg-panel{animation:fade .25s ease}
@keyframes fade{from{opacity:.4;transform:translateY(4px)}to{opacity:1;transform:none}}
.res-item{display:flex;align-items:center;justify-content:space-between;gap:16px;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px 22px;transition:all .18s}
.res-item:hover{border-color:#b8cce0;box-shadow:var(--sh);transform:translateX(4px)}
.res-name{font-size:17px;font-weight:700;color:var(--navy)}
.res-sub{font-size:13px;color:var(--sub);display:flex;gap:10px;flex-wrap:wrap;margin-top:5px}
.res-thi{display:flex;align-items:center;gap:12px}
.res-arrow{color:var(--sub-l);font-size:18px}
.thi-badge{padding:5px 14px;border-radius:20px;font-weight:700;color:#fff;font-size:13px;white-space:nowrap}
.thi-badge.low{background:var(--blue)} .thi-badge.mid{background:var(--yel);color:#5a4500}
.thi-badge.high{background:var(--org)} .thi-badge.crit{background:var(--red)} .thi-badge.na{background:#94A3B8}
.thi-badge i{font-style:normal;font-weight:600;opacity:.9;margin-left:3px}

.empty{background:var(--card);border:1.5px dashed var(--line);border-radius:14px;padding:40px;text-align:center;color:var(--sub);font-size:15px;line-height:1.6;margin:14px 0}
.empty code{margin:0 3px}

/* ═══════════ SUBSTANCE ═══════════ */
.sub-head{border-bottom:2px solid var(--line);padding-bottom:16px;margin:30px 0 8px}
.back{color:var(--blue);font-size:14px;font-weight:500;display:inline-flex;align-items:center;gap:4px}
.back::before{content:'←';font-size:16px}
.sub-head h1{font-size:30px;color:var(--navy);margin:10px 0 4px}
.sub-sub{display:flex;gap:12px;flex-wrap:wrap;color:var(--sub);font-size:14px}
.aliases{color:var(--sub);font-size:13px;margin-top:8px;line-height:1.55}
.thi-top{display:flex;gap:18px;flex-wrap:wrap;margin:10px 0 16px}
.thi-score{min-width:132px;border-radius:15px;padding:20px 18px;text-align:center;color:#fff;background:var(--navy);position:relative;overflow:hidden}
.thi-score::after{content:'';position:absolute;bottom:-10px;right:-10px;width:60px;height:60px;border-radius:50%;background:rgba(255,255,255,.06)}
.thi-score.low{background:var(--blue)} .thi-score.mid{background:var(--yel);color:#5a4500}
.thi-score.high{background:var(--org)} .thi-score.crit{background:var(--red)} .thi-score.na{background:#94A3B8}
.thi-num{font-size:40px;font-weight:800;line-height:1;letter-spacing:-.03em}
.thi-grade{font-size:15px;font-weight:700;margin-top:5px}
.thi-tag{font-size:12px;opacity:.88;margin-top:5px}
.thi-table{border:1px solid var(--line);border-radius:12px;overflow:hidden;font-size:13.5px}
.thi-th,.thi-tr{display:grid;grid-template-columns:1.7fr .55fr .65fr .45fr .75fr 2.3fr;gap:0;padding:11px 14px;align-items:center}
.thi-th{background:linear-gradient(135deg,#F0F5FA,#E8F1F8);color:var(--navy);font-weight:700;font-size:12.5px}
.thi-tr{border-top:1px solid var(--line);transition:background .15s}
.thi-tr:hover{background:#FAFBFD}
.thi-tr:nth-child(even){background:#FBFDFE}
.thi-name{font-weight:600;color:var(--ink)}
.thi-contrib{font-weight:700;color:var(--navy)}
.thi-src{color:var(--sub);font-size:12.5px}
.thi-sum{background:linear-gradient(135deg,#F0F5FA,#E8F1F8);font-weight:700}
.ast{color:var(--accent);font-style:normal}
.thi-note{font-size:13px;color:var(--sub);margin-top:12px;background:#FAFBFD;border-left:3px solid var(--accent);padding:10px 14px;border-radius:0 8px 8px 0;line-height:1.6}
.thi-scale{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px}
.thi-scale .sc{font-size:12.5px;padding:5px 14px;border-radius:20px;font-weight:600}
.sc.low{background:rgba(46,134,193,.12);color:var(--blue)} .sc.mid{background:rgba(212,160,23,.14);color:#8a6a00}
.sc.high{background:rgba(232,119,46,.14);color:var(--org)} .sc.crit{background:rgba(215,38,61,.12);color:var(--red)}
.badges{display:flex;flex-wrap:wrap;gap:8px}
.badge{padding:7px 15px;border-radius:22px;font-size:13px;font-weight:600;color:#fff}
.badge.red{background:var(--red)} .badge.org{background:var(--org)} .badge.acc{background:var(--accent)} .badge.blue{background:var(--blue)} .badge.gray{background:#94A3B8}
.kv-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:0 28px}
.kv{display:flex;justify-content:space-between;gap:16px;padding:10px 0;border-bottom:1px dashed #EDF1F5}
.kv-k{color:var(--sub);font-size:14px;flex-shrink:0}
.kv-v{font-weight:600;font-size:14px;text-align:right;color:var(--ink)}
.ghs-list{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px}
.ghs-chip{background:rgba(232,112,58,.10);color:var(--accent-d);padding:6px 13px;border-radius:9px;font-size:13px;font-weight:500}
.ghs-chip.blue{background:rgba(46,134,193,.10);color:var(--blue)}
.phys-full{margin-top:16px}
.phys-full summary{cursor:pointer;color:var(--blue);font-weight:600;font-size:14px}
.status-row{display:flex;gap:10px;flex-wrap:wrap}
.st{padding:6px 15px;border-radius:20px;font-weight:600;font-size:13px}
.st.cur{background:rgba(46,158,91,.12);color:var(--grn)} .st.abs{background:rgba(215,38,61,.12);color:var(--red)}
.st.pend{background:rgba(212,160,23,.14);color:#8a6a00} .st.post{background:rgba(148,163,184,.14);color:#5b6b78}

/* ═══════════ BATCH ═══════════ */
.batch-box{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:22px;box-shadow:var(--sh);margin:8px 0}
.batch-label{display:block;font-weight:600;color:var(--navy);font-size:14px;margin-bottom:10px}
.batch-input{width:100%;min-height:215px;padding:16px 18px;border:2px solid var(--line);border-radius:14px;font-size:15.5px;line-height:1.7;font-family:inherit;outline:none;resize:vertical;transition:border-color .2s,box-shadow .2s;color:var(--ink);background:#FCFEFF}
.batch-input:focus{border-color:var(--blue);box-shadow:0 0 0 5px rgba(46,134,193,.13)}
.batch-actions{display:flex;align-items:center;gap:12px;margin-top:14px;flex-wrap:wrap}
.batch-status{color:var(--sub);font-size:13.5px}
.batch-result{margin-top:8px}
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:12px;box-shadow:var(--sh)}
.batch-table{border-collapse:collapse;width:100%;font-size:13px;min-width:760px}
.batch-table th{background:linear-gradient(135deg,#F0F5FA,#E8F1F8);color:var(--navy);font-weight:700;padding:11px 12px;text-align:center;position:sticky;top:0;white-space:nowrap}
.batch-table td{padding:10px 12px;text-align:center;border-top:1px solid var(--line);white-space:nowrap}
.batch-table tr:nth-child(even) td{background:#FBFDFE}
.batch-table .nm{text-align:left;font-weight:600;color:var(--navy);white-space:normal}
.batch-table .mono{font-size:12px}
.batch-table .yes{color:var(--grn);font-weight:700}
.batch-table .no{color:var(--sub-l)}
.batch-table .ghs{text-align:left;color:var(--sub);white-space:normal;font-size:12px}
.batch-table .miss td{background:#FAFAFA;color:var(--sub-l)}
.batch-table .miss-cell{text-align:left;color:var(--org);font-style:italic}
.export-tip{background:linear-gradient(135deg,#FDF8F3,#FEF6EE);border:1px solid #F0DEBD;border-radius:12px;padding:16px 20px;font-size:14px;color:#7A6040;line-height:1.65;margin:18px 0}
.export-tip b{color:#9A6B28}
.export-dl{display:flex;gap:12px;flex-wrap:wrap;margin-top:14px}

/* ═══════════ STANDARDS ═══════════ */
.std-list{display:flex;flex-direction:column;gap:12px}
.std-item{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px 22px;box-shadow:var(--sh);transition:all .18s}
.std-item:hover{border-color:#b8cce0;box-shadow:var(--sh-h);transform:translateX(3px)}
.std-top{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.std-code{font-weight:800;color:var(--navy);font-size:15px}
.std-name{font-size:16px;color:var(--ink);font-weight:600;margin:6px 0 8px}
.std-meta{display:flex;gap:16px;flex-wrap:wrap;font-size:13px;color:var(--sub)}
.std-rep{margin-top:8px;font-size:13px;padding:8px 14px;border-radius:9px;background:rgba(212,160,23,.10);color:#8a6a00;line-height:1.5}
.std-rep b{color:#7a5c00}
.std-rep.ok{background:rgba(46,158,91,.10);color:var(--grn)}
.std-rep.ok b{color:#1f7a45}

/* ═══════════ DOWNLOAD ═══════════ */
.dl-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin:14px 0}
.dl-card{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:28px 26px;box-shadow:var(--sh);display:flex;flex-direction:column;transition:all .22s}
.dl-card:hover{transform:translateY(-4px);box-shadow:var(--sh-h);border-color:#c8dae8}
.dl-ic{width:52px;height:52px;border-radius:13px;display:grid;place-items:center;font-size:26px;margin-bottom:12px;background:linear-gradient(135deg,var(--c1,#0B3D62),var(--c2,#2E86C1));color:#fff}
.dl-card h3{font-size:18px;color:var(--navy);font-weight:700}
.dl-ver{color:var(--accent);font-weight:600;font-size:13px;margin:6px 0 10px}
.dl-card>p{color:var(--sub);font-size:14px;line-height:1.6;flex:1}
.dl-card .btn{margin-top:18px}
.dl-tip{font-size:12.5px;color:#a66a1e;background:linear-gradient(135deg,#FDF6EC,#FEF3E0);border:1px solid #F0DEBD;border-radius:10px;padding:10px 14px;margin-top:14px;line-height:1.55}
.dl-tip a{color:var(--accent-d);font-weight:600}

/* ═══════════ FOOTER ═══════════ */
.foot{background:linear-gradient(180deg,var(--navy-d),#061f33);color:#B8C8D6;margin-top:48px}
.foot-inner{max-width:1140px;margin:0 auto;padding:42px 24px;display:flex;justify-content:space-between;gap:36px;flex-wrap:wrap}
.foot-brand{display:flex;gap:12px;align-items:flex-start}
.foot-title{font-size:17px;font-weight:700;color:#fff;margin-bottom:6px}
.foot-sub{font-size:13.5px;color:#9AB0C4;line-height:1.6}
.foot-cols{display:flex;gap:48px;flex-wrap:wrap}
.foot-col{display:flex;flex-direction:column;gap:9px}
.foot-col h4{color:#fff;font-size:14px;font-weight:700;margin-bottom:2px}
.foot-col a{color:#9AB0C4;font-size:14px;transition:color .18s}
.foot-col a:hover{color:#fff}
.foot-note{font-size:12.5px;color:#6B8399;max-width:240px;line-height:1.6}
.foot-bar{max-width:1140px;margin:0 auto;padding:16px 24px;border-top:1px solid rgba(255,255,255,.09);font-size:12.5px;color:#6B8399;text-align:center}

/* ═══════════ RESPONSIVE ═══════════ */

/* ── 平板 / 小桌面 (≤960px) ── */
@media(max-width:960px){
  .prod-grid,.fn-grid,.dl-grid{grid-template-columns:1fr}
  .sol-grid{grid-template-columns:1fr}
  .src-grid{grid-template-columns:1fr}
  .features.compact{grid-template-columns:repeat(2,1fr)}
}

/* ── 大屏手机 / 窄平板 (≤720px) ── */

/* SDS 十六节信息 */
.sds-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:10px}
.sds-item{display:flex;gap:12px;background:linear-gradient(180deg,#FAFCFE,#F6FAFD);border:1px solid var(--line);border-radius:12px;padding:13px 15px;align-items:flex-start}
.sds-no{flex:none;width:24px;height:24px;background:var(--navy);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:12.5px;font-weight:700;margin-top:1px}
.sds-item b{color:var(--navy)}
.sds-item div{font-size:13.5px;line-height:1.65;color:var(--ink)}
.src-note{color:var(--sub-l);font-size:12px}

/* 批量双表 */
.tbl-title{font-size:15.5px;color:var(--navy);margin:22px 0 8px;font-weight:700;display:flex;align-items:center;gap:8px}
.tbl-title::before{content:"";width:4px;height:16px;background:var(--org);border-radius:2px;display:inline-block}
.batch-table2{min-width:1000px}
.batch-table2 .shape{text-align:left;white-space:normal;min-width:96px;color:var(--sub);line-height:1.5}
.batch-table2 .fc{font-weight:700}
.fc-a{color:#c0392b}
.fc-b{color:#d68910}
.fc-c{color:#1e8449}

@media(max-width:560px){
  .sds-grid{grid-template-columns:1fr}
  .batch-table2{min-width:760px;font-size:12px}
  .batch-table2 .shape{min-width:72px}
  .batch-input{min-height:170px;font-size:15px}
}

@media(max-width:720px){
  /* 导航：横向滚动（隐藏滚动条） */
  .nav-inner{flex-wrap:wrap;gap:8px;padding:10px 16px}
  .brand-text{font-size:15px}
  .brand-mark.sm{width:24px;height:24px;font-size:12px}
  .nav-links{
    overflow-x:auto;-webkit-overflow-scrolling:touch;
    flex-wrap:nowrap;gap:2px;
    -ms-overflow-style:none;scrollbar-width:none;
  }
  .nav-links::-webkit-scrollbar{display:none}
  .nav-a{padding:7px 11px;font-size:13px;white-space:nowrap;border-radius:7px}
  .nav-cta{padding:7px 14px;font-size:12.5px;border-radius:8px}

  /* 主内容区收窄 */
  main{padding:0 16px}
  .card{padding:20px 18px;margin:14px 0}
  .page-head{margin:28px auto 6px}
  .page-head h1{font-size:26px}

  /* Hero 收紧 */
  .hero{border-radius:14px;padding:36px 20px;margin:18px 0}
  .hero-sm{padding:30px 18px;margin:14px 0}
  .hero h1{font-size:28px;line-height:1.25}
  .hero-sm h1{font-size:24px;margin-bottom:10px}
  .hero-sub{font-size:14.5px}
  .hero-sm .hero-sub{font-size:13.5px}
  .hero-badge{font-size:12px;padding:5px 14px}
  .hero-actions{flex-direction:column;align-items:stretch}

  /* 功能卡片紧凑 */
  .features.compact{grid-template-columns:repeat(2,1fr);gap:12px}
  .features.compact .feature-card{padding:18px 16px}
  .features.compact .feature-icon{width:38px;height:38px;font-size:19px}
  .features.compact .feature-card h3{font-size:14.5px}
  .features.compact .feature-card p{font-size:12.5px}

  /* 产品卡片 */
  .prod-grid{gap:16px}
  .prod-card{padding:22px 18px}
  .prod-card-lg{padding:26px 22px}
  .prod-ic{width:44px;height:44px;font-size:22px}
  .prod-card h3{font-size:18px}

  /* 功能搜索卡 */
  .fn-grid{gap:16px}
  .fn-card{padding:22px 18px}
  .fn-ic{width:42px;height:42px;font-size:21px}

  /* 搜索框 */
  .big-search{margin:18px 0 4px}
  .big-search input{padding:13px 16px;font-size:15px}
  .big-search button{padding:0 26px;font-size:15px}

  /* 页签 */
  .seg button{padding:9px 20px;font-size:13.5px}

  /* 批量输入 */
  .batch-box{padding:18px}
  #input{min-height:120px;padding:12px 14px;font-size:14px}

  /* THI 表格进一步压缩 */
  .thi-th,.thi-tr{grid-template-columns:1.4fr .45fr .55fr .4fr .65fr 1.5fr;font-size:11px;padding:8px 6px}
  .sub-head h1{font-size:24px}

  /* 标准 */
  .std-item{padding:14px 16px}

  /* 下载 */
  .dl-grid{gap:14px}
  .dl-card{padding:20px 18px}

  /* 按钮 */
  .btn{padding:10px 20px;font-size:14px}
  .btn-lg{padding:12px 24px;font-size:15px}

  /* Footer */
  .foot-inner{padding:30px 16px;gap:24px}
  .sec{margin:36px 0}
}

/* ── 中等手机 (≤560px) ── */
@media(max-width:560px){
  .features{grid-template-columns:1fr}
  .kv-grid{grid-template-columns:1fr}
  .thi-top{flex-direction:column}
  .thi-score{width:100%}
  .big-search{flex-direction:column}
  .big-search button{width:100%;padding:14px}
  .foot-inner{flex-direction:column;gap:20px}
  .src-grid{grid-template-columns:1fr}
  .changelog .cl-item{flex-direction:column;gap:8px}
  .cl-ver,.cl-date{text-align:left}
  .sol-grid{grid-template-columns:1fr}
  .status-row{gap:6px}
  .st{padding:5px 11px;font-size:12px}
  .badges{gap:6px}
  .badge{padding:5px 11px;font-size:12px}
  .ghs-list{gap:6px}
  .ghs-chip{padding:4px 10px;font-size:12px}
  .export-dl{flex-direction:column}
  .prod-feats li{font-size:13px}
  .note-box{padding:14px 16px}
  .warn-banner{padding:10px 13px;font-size:13px}
  .disclaimer{margin:32px 0 8px}
}

/* ── 小屏手机 (≤400px) ── */
@media(max-width:400px){
  .brand-text{font-size:13.5px}
  .nav-a{padding:6px 9px;font-size:12.5px}
  .nav-cta{padding:6px 11px;font-size:12px}
  .hero h1{font-size:24px}
  .hero{padding:30px 16px}
  .card{padding:16px 14px}
  .features.compact{grid-template-columns:1fr;gap:10px}
  .page-head h1{font-size:23px}
  .thi-th,.thi-tr{grid-template-columns:1.3fr .4fr .5fr .35fr .6fr 1.3fr;font-size:10.5px;padding:7px 5px}
  .thi-num{font-size:32px}
  .res-name{font-size:15px}
  .res-item{padding:12px 16px}
  .batch-table{font-size:12px;min-width:680px}
  .batch-table th,.batch-table td{padding:8px 8px}
  .seg button{padding:8px 16px;font-size:13px}
}

/* ═══════════ 风玫瑰图工具 ═══════════ */
.wr-row{display:flex;flex-wrap:wrap;gap:14px;align-items:flex-end}
.wr-field{display:flex;flex-direction:column;gap:6px}
.wr-field label{font-size:13px;color:var(--sub)}
.wr-field select,.wr-field input[type=number]{border:1.5px solid var(--line);border-radius:10px;padding:10px 12px;font-size:14px;background:#fff;color:var(--ink);outline:none;min-width:150px;transition:border-color .2s,box-shadow .2s}
.wr-field select:focus,.wr-field input[type=number]:focus{border-color:var(--blue);box-shadow:0 0 0 4px rgba(46,134,193,.12)}
.wr-radio{display:flex;gap:8px;flex-wrap:wrap}
.wr-radio label{border:1.5px solid var(--line);border-radius:10px;padding:9px 16px;cursor:pointer;font-size:14px;color:var(--ink);user-select:none;background:#fff;transition:all .15s}
.wr-radio input{display:none}
.wr-radio label:has(input:checked){border-color:var(--blue);background:rgba(46,134,193,.08);color:var(--navy);font-weight:600}
.wr-progress{display:none;margin-top:16px}
.wr-progress .bar{height:8px;background:var(--line);border-radius:4px;overflow:hidden}
.wr-progress .bar i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--blue),var(--accent));transition:width .3s}
.wr-progress .txt{margin-top:6px;font-size:13px;color:var(--sub)}
.wr-err{color:var(--red);font-size:13.5px;margin-top:10px;display:none}
.wr-tip{font-size:12.5px;color:var(--sub);padding-bottom:10px}
.wr-summary{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;margin:16px 0}
.wr-summary .item{background:rgba(46,134,193,.06);border:1px solid var(--line);border-radius:10px;padding:12px 14px}
.wr-summary .item .k{font-size:12px;color:var(--sub)}
.wr-summary .item .v{font-size:20px;font-weight:700;color:var(--navy);margin-top:4px}
.wr-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:18px}
.wr-rose{text-align:center}
.wr-rose canvas{max-width:100%;height:auto}
.wr-btns{display:flex;gap:10px;justify-content:center;margin-top:14px;flex-wrap:wrap}
.wr-table{width:100%;border-collapse:collapse;font-size:13.5px}
.wr-table th,.wr-table td{padding:7px 8px;text-align:center;border-bottom:1px solid var(--line)}
.wr-table th{background:#f0f5fb;color:var(--navy);font-weight:600;position:sticky;top:0}
.wr-table td.num{font-variant-numeric:tabular-nums}
.wr-table tr.calm td{background:#fbf6e8;font-weight:600}
.wr-table tr.total td{background:#eef7f0;font-weight:700}
.wr-tablebox{max-height:560px;overflow:auto;border:1px solid var(--line);border-radius:10px}
.wr-legend{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:10px;font-size:12.5px;color:var(--sub)}
.wr-legend span{display:inline-flex;align-items:center;gap:5px}
.wr-legend i{display:inline-block;width:14px;height:14px;border-radius:3px}
@media(max-width:900px){ .wr-grid{grid-template-columns:1fr} }