:root{
  --ink:#1B2B3A; --ink2:#22303F; --ink3:#2C3E50;
  --paper:#F5F8FA; --bg:#FFFFFF; --card:#FFFFFF;
  --text:#333333; --muted:#666666; --faint:#999999;
  --line:#E5E5E5; --line2:#EEEEEE;
  --accent:#00A2E9; --accent-d:#0089C7; --accent-l:#E6F6FE; --accent-ll:#F3FAFE;
  --good:#005b83; --good-l:#b6e9ff;
  --warn:#E67E22; --warn-l:#FDF1E3;
  --bad:#E0483E; --bad-l:#FCEBEA;
  --spec:linear-gradient(90deg,#00A2E9,#00C2F5);
  --serif:"Microsoft YaHei",PingFangSC-Regular,"Helvetica Neue",Helvetica,Arial,"Hiragino Sans GB","Heiti SC","WenQuanYi Micro Hei",sans-serif;
  --sans:"Microsoft YaHei",PingFangSC-Regular,"Helvetica Neue",Helvetica,Arial,"Hiragino Sans GB","Heiti SC","WenQuanYi Micro Hei",sans-serif;
  --sh:0 1px 3px rgba(0,0,0,.05);
  --sh-h:0 4px 14px rgba(0,162,233,.16);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--sans);color:var(--text);background:var(--bg);line-height:1.65;font-size:15px;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:none;background:none}
.wrap{max-width:1200px;margin:0 auto;padding:0 28px}
.serif{font-family:var(--serif)}
.hidden{display:none!important}
img{max-width:100%}

/* ===== 通用 ===== */
.section{padding:54px 0 6px}
.sec-title{display:flex;align-items:flex-end;justify-content:space-between;margin-bottom:22px;gap:16px;flex-wrap:wrap}
.sec-title h2{font-family:var(--serif);font-size:24px;font-weight:700;color:var(--ink)}
.sec-title .more{font-size:13px;color:var(--accent);font-weight:500}
.sec-title .more:hover{text-decoration:underline}
.eyebrow{font-size:12px;letter-spacing:.18em;color:var(--accent);font-weight:700;text-transform:uppercase;margin-bottom:9px}
.crumb{font-size:12.5px;color:var(--faint);padding:18px 0}
.crumb a{color:var(--muted)} .crumb a:hover{color:var(--accent)}
.crumb span{margin:0 7px;color:#C6CCD4}

.btn{display:inline-flex;align-items:center;gap:7px;padding:11px 20px;border-radius:9px;font-size:14px;font-weight:700;transition:.16s;cursor:pointer;border:1.5px solid transparent}
.btn-p{background:var(--accent);color:#fff;box-shadow:0 6px 16px -6px rgba(47,93,168,.55)}
.btn-p:hover{background:var(--accent-d);transform:translateY(-1px);}
a.btn-p:hover{color:#fff;}
.btn-g{border-color:var(--accent);color:var(--accent);background:#fff}
.btn-g:hover{background:var(--accent-l)}
.btn-sm{padding:7px 14px;font-size:13px;border-radius:7px}

.chip{display:inline-flex;align-items:center;gap:5px;font-size:12px;padding:3px 11px;border-radius:20px;background:var(--accent-l);color:var(--accent);font-weight:500}
.chip.gray{background:#EEF0F3;color:var(--muted)}
.chip.good{background:var(--good-l);color:var(--good)}
.chip.warn{background:var(--warn-l);color:var(--warn)}
.tag-type{font-size:11px;font-weight:700;letter-spacing:.04em;padding:2px 9px;border-radius:5px}
.t-entry{background:#EDE7F8;color:#6D3FD0}
.t-solve{background:#E3F0F8;color:#1E6FA8}
.t-pick{background:#FDEEDF;color:#C2631C}
.t-myth{background:#FAECE5;color:#B5482C}
.t-term{background:#EAF0FA;color:#2F5DA8}
.t-std{background:#E6F2EC;color:#2C7A57}

.cards{display:grid;gap:16px}
.g3{grid-template-columns:repeat(3,1fr)} .g4{grid-template-columns:repeat(4,1fr)} .g2{grid-template-columns:repeat(2,1fr)}
.card{background:var(--card);border:1px solid var(--line2);border-radius:13px;padding:22px;transition:.18s;box-shadow:var(--sh)}
.card.click:hover{transform:translateY(-3px);box-shadow:var(--sh-h);border-color:var(--accent-line,#C9D8F0)}

/* ===== HERO ===== */
.hero{background:radial-gradient(1200px 500px at 85% -20%,#27405F 0%,var(--ink) 55%);color:#EEF2F8;padding:62px 0 58px;position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;right:-80px;top:-60px;width:520px;height:520px;border-radius:50%;border:1px solid rgba(255,255,255,.07)}
.hero::after{content:"";position:absolute;right:60px;top:40px;width:300px;height:300px;border-radius:50%;border:1px solid rgba(255,255,255,.05)}
.hero .wrap{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center}
.hero h1{font-family:var(--serif);font-weight:900;font-size:clamp(30px,4vw,46px);line-height:1.25;letter-spacing:.01em}
.hero p.lead{margin:18px 0 26px;font-size:16.5px;color:#C2CDDD;font-weight:300;max-width:34em;line-height:1.8}
.taskrow{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:18px}
.task{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);border-radius:12px;padding:16px;transition:.16s;cursor:pointer;text-align:left;color:#E7ECF3}
.task:hover{background:var(--accent);border-color:var(--accent);transform:translateY(-2px)}
.task .ti{font-family:var(--serif);font-weight:700;font-size:15.5px;margin-bottom:4px;display:flex;align-items:center;gap:8px}
.task .td{font-size:12px;color:#AAB8CA;line-height:1.5}
.task:hover .td{color:#DCE6F5}
.indpick{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:13px;color:#AAB8CA}
.indpick a{color:#D7E1EF;border:1px solid rgba(255,255,255,.18);border-radius:18px;padding:4px 13px;font-size:12.5px;transition:.14s}
.indpick a:hover{background:#fff;color:var(--ink)}
.hero-visual{display:flex;justify-content:center}
.hero-visual svg{width:100%;max-width:380px;height:auto;filter:drop-shadow(0 20px 40px rgba(0,0,0,.4))}

/* 成效墙 */
.proof-band{background:var(--ink);color:#fff;border-radius:16px;padding:26px 28px;position:relative;overflow:hidden}
.proof-band::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--spec)}
.proof-band h3{font-family:var(--serif);font-size:18px;margin-bottom:4px}
.proof-band .psub{font-size:12.5px;color:#9FB0C6;margin-bottom:18px}
.pf-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.pf .lab{font-size:11.5px;color:#A9B7C9;margin-bottom:6px}
.pf .val{font-family:var(--serif);font-size:27px;font-weight:900;color:#7FD0A8;line-height:1;display:flex;align-items:baseline;gap:6px}
.pf .val .from{font-size:14px;color:#8C99AB;text-decoration:line-through;font-weight:400}
.pf .val .ar{color:#7FD0A8;font-size:15px}
.pf .ex{font-size:11px;color:#8C99AB;margin-top:6px}

/* 工具条 */
.tool-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.tool{background:var(--card);border:1px solid var(--line2);border-radius:12px;padding:18px;position:relative;overflow:hidden;cursor:pointer;transition:.18s;box-shadow:var(--sh)}
.tool::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--spec)}
.tool:hover{transform:translateY(-3px);box-shadow:var(--sh-h)}
.tool .ic{width:40px;height:40px;border-radius:10px;background:var(--accent-l);color:var(--accent);display:flex;align-items:center;justify-content:center;margin-bottom:12px}
.tool h4{font-size:15px;font-weight:700;margin-bottom:4px;color:var(--ink)}
.tool p{font-size:12.5px;color:var(--muted);line-height:1.55}

/* 文章卡 */
.acard{display:flex;flex-direction:column;gap:9px}
.acard .meta{display:flex;gap:7px;align-items:center;flex-wrap:wrap}
.acard h4{font-size:16px;font-weight:700;color:var(--ink);line-height:1.45}
.acard:hover h4{color:var(--accent)}
.acard p{font-size:13px;color:var(--muted);line-height:1.6;flex:1}
.acard .foot{display:flex;justify-content:space-between;font-size:11.5px;color:var(--faint);border-top:1px dashed var(--line2);padding-top:10px}

/* tab */
.tabs{display:inline-flex;background:#ECEEF1;border-radius:10px;padding:4px;gap:2px;margin-bottom:22px}
.tabs button{padding:8px 18px;border-radius:7px;font-size:13.5px;font-weight:500;color:var(--muted)}
.tabs button.on{background:#fff;color:var(--accent);font-weight:700;box-shadow:0 1px 4px rgba(0,0,0,.08)}

/* CTA band */
.ctaband{background:linear-gradient(120deg,#1E2E42,#2F5DA8);border-radius:16px;padding:34px 38px;color:#fff;display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.ctaband h3{font-family:var(--serif);font-size:22px;margin-bottom:6px}
.ctaband p{font-size:13.5px;color:#CFDBEC;max-width:34em}
.ctaband .acts{display:flex;gap:12px;flex-wrap:wrap}
.ctaband .w{background:#fff;color:var(--ink)}
.ctaband .o{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.35)}

footer{margin-top:70px;background:var(--ink);color:#93A2B6;padding:46px 0 30px;font-size:13px}
footer .fgrid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:30px;margin-bottom:30px}
footer h5{color:#D6DEEA;font-size:13.5px;margin-bottom:13px;font-weight:700}
footer li{list-style:none;padding:4px 0;color:#93A2B6;cursor:pointer}
footer li:hover{color:#fff}
footer li.info{cursor:default}footer li.info:hover{color:#93A2B6}
footer .spec{height:4px;background:var(--spec);border-radius:2px;margin-bottom:22px}
footer .copy{border-top:1px solid #24344A;padding-top:18px;font-size:12px;color:#6E7C90;display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px}

@media(max-width:960px){
  .hero .wrap{grid-template-columns:1fr}
  .hero-visual{display:none}
  .g3,.g4,.tool-strip,.pf-grid{grid-template-columns:repeat(2,1fr)}
  footer .fgrid{grid-template-columns:1fr 1fr}
  .nav{display:none}
  .burger{display:block;margin-left:auto}
}
/* ===== 列表枢纽页 ===== */
.layout{display:grid;grid-template-columns:248px 1fr;gap:28px;align-items:start;padding:10px 0 40px}
.filter{background:var(--card);border:1px solid var(--line2);border-radius:13px;padding:18px;position:sticky;top:84px;box-shadow:var(--sh)}
.filter h6{font-size:12.5px;letter-spacing:.06em;color:var(--muted);margin:14px 0 9px;font-weight:700}
.filter h6:first-child{margin-top:0}
.filter .opt{display:flex;align-items:center;gap:8px;font-size:13.3px;padding:5px 0;color:var(--text);cursor:pointer}
.filter .opt input{accent-color:var(--accent)}
.filter .opt.n{color:var(--faint)}
.phead{margin-bottom:20px}
.phead h1{font-family:var(--serif);font-size:28px;color:var(--ink);margin-bottom:8px}
.phead p{color:var(--muted);font-size:14px;max-width:46em}
.searchbar{display:flex;align-items:center;gap:10px;background:#fff;border:1px solid var(--line);border-radius:11px;padding:12px 16px;margin-bottom:18px;box-shadow:var(--sh)}
.searchbar input{flex:1;border:none;outline:none;font-size:14.5px;font-family:inherit;background:transparent;color:var(--text)}
.alist{
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 13px;
}
@media(max-width:960px){ .alist{grid-template-columns:repeat(2,minmax(0,1fr))} }
@media(max-width:600px){ .alist{grid-template-columns:minmax(0,1fr)} }
.arow{background:#fff;border:1px solid var(--line2);border-radius:12px;padding:18px 20px;cursor:pointer;transition:.16s;box-shadow:var(--sh)}
.arow:hover{border-color:#C9D8F0;box-shadow:var(--sh-h);transform:translateX(3px)}
.arow .at{display:flex;gap:9px;align-items:center;margin-bottom:6px;flex-wrap:wrap}
.arow h4{font-size:16.5px;font-weight:700;color:var(--ink);margin-bottom:4px}
.arow p{font-size:13.3px;color:var(--muted)}
.arow .af{display:flex;gap:16px;margin-top:10px;font-size:11.8px;color:var(--faint)}

/* ===== 文章详情 ===== */
.art-hero{background:#fff;border-bottom:1px solid var(--line2);padding:30px 0 0}
.art-hero h1{font-family:var(--serif);font-size:30px;color:var(--ink);line-height:1.35;margin:12px 0 14px;max-width:20em}
.art-meta{display:flex;gap:18px;flex-wrap:wrap;font-size:12.5px;color:var(--muted);padding-bottom:20px}
.art-meta .m{display:flex;align-items:center;gap:6px}
.av{width:26px;height:26px;border-radius:50%;background:var(--accent-l);color:var(--accent);display:inline-flex;align-items:center;justify-content:center;font-size:11px;font-weight:700}
.art-layout{display:grid;grid-template-columns:1fr 300px;gap:38px;padding:30px 0 50px;align-items:start}
.takeaway{background:linear-gradient(135deg,#EAF0FA,#F5F9FF);border:1px solid #C9D8F0;border-left:4px solid var(--accent);border-radius:12px;padding:20px 22px;margin-bottom:26px}
.takeaway .lab{font-size:11.5px;letter-spacing:.12em;color:var(--accent);font-weight:700;margin-bottom:8px}
.takeaway p{font-size:14.5px;line-height:1.75;color:var(--ink2)}
.art-body h2{font-family:var(--serif);font-size:21px;color:var(--ink);margin:30px 0 12px;scroll-margin-top:80px}
.art-body h3{font-size:16.5px;color:var(--ink);margin:20px 0 8px}
.art-body p{font-size:15px;line-height:1.85;color:#33404F;margin-bottom:14px}
.fig{background:#fff;border:1px solid var(--line2);border-radius:12px;padding:22px;margin:18px 0;box-shadow:var(--sh);text-align:center}
.fig .fcap{font-size:12px;color:var(--muted);margin-top:12px}
.termword{border-bottom:1.5px dashed var(--accent);color:var(--accent);font-weight:500;cursor:help}
details.collapse{background:var(--warn-l);border:1px solid #E6D3A8;border-radius:10px;padding:14px 18px;margin:16px 0}
details.collapse summary{font-weight:700;color:var(--warn);cursor:pointer;font-size:14px;list-style:none}
details.collapse summary::before{content:"▸ ";} details.collapse[open] summary::before{content:"▾ "}
details.collapse .ct{margin-top:12px;font-size:13.5px;line-height:1.8;color:#5A4A2E}
.faq{border-bottom:1px solid var(--line2);padding:14px 0}
.faq b{display:block;color:var(--ink);font-size:14.5px;margin-bottom:5px}
.faq p{font-size:13.8px;color:var(--muted);margin:0}
.art-side{position:sticky;top:84px;display:flex;flex-direction:column;gap:14px}
.side-box{background:#fff;border:1px solid var(--line2);border-radius:12px;padding:17px 18px;box-shadow:var(--sh)}
.side-box h5{font-size:12.5px;letter-spacing:.06em;color:var(--muted);margin-bottom:11px;font-weight:700}
.toc a{display:block;font-size:13px;color:var(--muted);padding:5px 0 5px 12px;border-left:2px solid var(--line2);line-height:1.4}
.toc a:hover,.toc a.on{color:var(--accent);border-left-color:var(--accent);font-weight:500}
.mini-term{font-size:12.8px;padding:6px 0;border-bottom:1px dashed var(--line2);color:var(--ink2)}
.mini-term:last-child{border:none} .mini-term b{color:var(--accent)}
.relnet{background:#fff;border:1px solid var(--line2);border-radius:13px;padding:24px;margin:10px 0 30px}
.relnet h5{font-family:var(--serif);font-size:17px;color:var(--ink);margin-bottom:16px}
.relnet .rg{display:grid;grid-template-columns:repeat(5,1fr);gap:11px}
.relnet .rc{background:#F4F7FA;border-radius:9px;padding:12px;font-size:12.3px;text-align:center;cursor:pointer;transition:.15s;color:var(--ink2)}
.relnet .rc:hover{background:var(--accent-l);color:var(--accent)}
.relnet .rc b{display:block;font-size:12.8px;margin-bottom:3px}

/* ===== 选型向导 ===== */
.wiz-head{background:#fff;border-bottom:1px solid var(--line2);padding:34px 0}
.steps{display:flex;align-items:center;gap:0;margin:22px 0 6px;max-width:680px}
.step{display:flex;align-items:center;gap:10px;flex:1}
.step .dot{width:32px;height:32px;border-radius:50%;background:#E6E9EE;color:var(--muted);font-weight:700;display:flex;align-items:center;justify-content:center;font-size:14px;flex:none;transition:.2s}
.step .sl{font-size:13.5px;color:var(--muted);font-weight:500}
.step.on .dot{background:var(--accent);color:#fff;box-shadow:0 0 0 4px var(--accent-l)}
.step.on .sl{color:var(--ink);font-weight:700}
.step.done .dot{background:var(--good);color:#fff}
.step .line{flex:1;height:2px;background:#E6E9EE;margin:0 8px}
.optgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:22px 0}
.optcard{background:#fff;border:2px solid var(--line2);border-radius:13px;padding:20px;cursor:pointer;transition:.16s;text-align:left}
.optcard:hover{border-color:var(--accent-line,#B9CCEC);transform:translateY(-2px)}
.optcard.sel{border-color:var(--accent);background:var(--accent-ll);box-shadow:0 0 0 3px var(--accent-l)}
.optcard .oi{width:42px;height:42px;border-radius:10px;background:var(--accent-l);color:var(--accent);display:flex;align-items:center;justify-content:center;margin-bottom:12px}
.optcard.sel .oi{background:var(--accent);color:#fff}
.optcard h4{font-size:15.5px;font-weight:700;color:var(--ink);margin-bottom:4px}
.optcard p{font-size:12.6px;color:var(--muted);line-height:1.5}
.wiz-nav{display:flex;justify-content:space-between;margin-top:24px}
.rec{background:#fff;border:1px solid var(--line2);border-radius:14px;padding:24px;margin-bottom:16px;box-shadow:var(--sh);display:grid;grid-template-columns:120px 1fr auto;gap:22px;align-items:center}
.rec .pd{width:120px;height:120px;border-radius:12px;background:linear-gradient(135deg,#E9EEF6,#D7E1F0);display:flex;align-items:center;justify-content:center;color:var(--accent)}
.rec h4{font-family:var(--serif);font-size:20px;color:var(--ink)}
.rec .why{font-size:13px;color:var(--muted);margin:6px 0 10px}
.rec .specs{display:flex;gap:8px;flex-wrap:wrap}
.cmp{width:100%;border-collapse:collapse;background:#fff;border-radius:12px;overflow:hidden;box-shadow:var(--sh);font-size:13.3px;margin:14px 0}
.cmp th,.cmp td{padding:11px 14px;border-bottom:1px solid var(--line2);text-align:left}
.cmp thead th{background:var(--accent);color:#fff;font-weight:600}
.cmp td.hl{color:var(--accent);font-weight:700}
.cmp tbody tr:last-child td{border:none}

/* ===== 诊断/案例 ===== */
.case-banner{background:linear-gradient(120deg,#F8F0DD,#FDF8EC);border:1px solid #EAD9B0;border-radius:14px;padding:24px 26px;margin-bottom:26px}
.case-banner h3{font-family:var(--serif);font-size:19px;color:#7A5A1E;margin-bottom:8px}
.sym-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.sym{background:#fff;border:1.5px solid #E6D9BC;border-radius:10px;padding:14px;cursor:pointer;font-size:13.3px;transition:.15s}
.sym:hover{border-color:var(--warn);background:#fff}
.sym b{display:block;color:var(--ink);margin-bottom:3px;font-size:13.8px}
.timeline{position:relative;padding-left:30px;margin:16px 0}
.timeline::before{content:"";position:absolute;left:9px;top:6px;bottom:6px;width:2px;background:var(--accent-line)}
.tl{position:relative;padding:0 0 22px}
.tl::before{content:"";position:absolute;left:-26px;top:4px;width:14px;height:14px;border-radius:50%;background:#fff;border:3px solid var(--accent)}
.tl h4{font-size:15.5px;color:var(--ink);margin-bottom:5px}
.tl p{font-size:13.8px;color:var(--muted);line-height:1.7}
.result-num{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:18px 0}
.rn{background:var(--good-l);border-radius:12px;padding:18px;text-align:center}
.rn .v{font-family:var(--serif);font-size:28px;font-weight:900;color:var(--good)}
.rn .l{font-size:12px;color:var(--muted);margin-top:4px}

/* ===== 术语 ===== */
.gloss-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:13px}
.gterm{background:#fff;border:1px solid var(--line2);border-radius:11px;padding:16px;transition:.16s;cursor:pointer;box-shadow:var(--sh)}
.gterm:hover{border-color:#C9D8F0;transform:translateY(-2px)}
.gterm h4{font-size:15px;color:var(--ink)} .gterm h4 small{font-size:11.5px;color:var(--faint);font-weight:400;margin-left:6px}
.gterm p{font-size:12.6px;color:var(--muted);margin-top:5px;line-height:1.55}
.alpha{display:flex;gap:4px;flex-wrap:wrap;margin-bottom:16px}
.alpha button{width:30px;height:30px;border-radius:7px;background:#fff;border:1px solid var(--line2);font-size:12px;color:var(--muted);font-weight:600}
.alpha button.on,.alpha button:hover{background:var(--accent);color:#fff;border-color:var(--accent)}
/* 标准 */
.std-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.std{background:#fff;border:1px solid var(--line2);border-radius:12px;padding:18px 20px;box-shadow:var(--sh)}
.std .code{font-family:ui-monospace,monospace;font-weight:700;color:var(--good);font-size:13.5px}
.std h4{font-size:15.5px;color:var(--ink);margin:5px 0}
.std p{font-size:12.8px;color:var(--muted)}
.std .key{margin-top:9px;font-size:11.8px;color:var(--ink2);background:var(--bg);border-radius:7px;padding:7px 10px}

/* ===== 行业落地页 ===== */
.ind-hero{background:radial-gradient(900px 400px at 80% -30%,#27405F,var(--ink));color:#fff;padding:50px 0}
.ind-hero h1{font-family:var(--serif);font-size:34px;margin:8px 0 12px}
.ind-hero p{color:#C2CDDD;max-width:40em;font-size:15px}
.anchor-nav{position:sticky;top:64px;z-index:50;background:#fff;border-bottom:1px solid var(--line2);box-shadow:0 2px 10px -8px rgba(0,0,0,.15)}
.anchor-nav .in{max-width:1200px;margin:0 auto;padding:0 28px;display:flex;gap:4px;overflow-x:auto}
.anchor-nav a{padding:14px 15px;font-size:13.5px;color:var(--muted);font-weight:500;border-bottom:2px solid transparent;white-space:nowrap}
.anchor-nav a.on,.anchor-nav a:hover{color:var(--accent);border-bottom-color:var(--accent)}
.seg-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.seg-grid.n4{grid-template-columns:repeat(4,1fr)}
.seg{background:#fff;border:1.5px solid var(--line2);border-radius:12px;padding:18px;cursor:pointer;transition:.16s}
.seg:hover{border-color:var(--accent)}
.seg.sel{border-color:var(--accent);background:var(--accent-ll)}
.seg h4{font-size:15.5px;color:var(--ink);margin-bottom:5px}
.seg p{font-size:12.5px;color:var(--muted);line-height:1.5}
.seg-dev{background:var(--accent-ll);border:1px dashed var(--accent-line,#B9CCEC);border-radius:12px;padding:20px 22px;margin-top:16px}
.flow3{display:grid;grid-template-columns:repeat(3,1fr);gap:0;margin:18px 0}
.flow3 .f{background:#fff;border:1px solid var(--line2);padding:18px;position:relative}
.flow3 .f:first-child{border-radius:12px 0 0 12px}.flow3 .f:last-child{border-radius:0 12px 12px 0}
.flow3 .f .fn{font-size:11px;letter-spacing:.1em;color:var(--accent);font-weight:700}
.flow3 .f h4{font-size:15.5px;color:var(--ink);margin:5px 0 8px}
.flow3 .f li{font-size:12.3px;color:var(--muted);list-style:none;padding:3px 0}
.devgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.devcard{background:#fff;border:1px solid var(--line2);border-radius:12px;padding:18px;box-shadow:var(--sh)}
.devcard .pd{height:90px;border-radius:9px;background:linear-gradient(135deg,#E9EEF6,#D4DEEC);display:flex;align-items:center;justify-content:center;color:var(--accent);margin-bottom:12px}
.devcard h4{font-size:15px;color:var(--ink)}
.devcard .ds{font-size:12px;color:var(--muted);margin:4px 0 10px;line-height:1.5}
.dl-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.dl{display:flex;gap:13px;align-items:center;background:#fff;border:1px solid var(--line2);border-radius:11px;padding:15px 17px;cursor:pointer;transition:.15s}
.dl:hover{border-color:var(--accent)}
.dl .di{width:38px;height:38px;border-radius:9px;background:var(--bad-l);color:var(--bad);display:flex;align-items:center;justify-content:center;flex:none}
.dl b{font-size:13.8px;color:var(--ink);display:block}.dl span{font-size:11.5px;color:var(--faint)}
details.faqitem{background:#fff;border:1px solid var(--line2);border-radius:10px;padding:15px 19px;margin-bottom:10px}
details.faqitem summary{font-weight:600;color:var(--ink);cursor:pointer;font-size:14px;list-style:none}
details.faqitem summary::before{content:"+ ";color:var(--accent);font-weight:700}
details.faqitem[open] summary::before{content:"− "}
details.faqitem p{margin-top:9px;font-size:13.5px;color:var(--muted);line-height:1.7}

/* ===== ΔE 工具 ===== */
.de-wrap{display:grid;grid-template-columns:1fr 1fr;gap:22px;align-items:start}
.de-panel{background:#fff;border:1px solid var(--line2);border-radius:14px;padding:24px;box-shadow:var(--sh)}
.de-panel h4{font-size:15px;color:var(--ink);margin-bottom:14px}
.lab-input{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:14px}
.lab-input label{font-size:11.5px;color:var(--muted);font-weight:600}
.lab-input input{width:100%;margin-top:5px;border:1.5px solid var(--line);border-radius:8px;padding:9px 10px;font-size:15px;font-family:inherit;outline:none}
.lab-input input:focus{border-color:var(--accent)}
.de-result{text-align:center;padding:10px;}
.de-big{font-family:var(--serif);font-size:58px;font-weight:900;color:var(--accent);line-height:1}
.de-grade{display:inline-block;margin:14px 0;padding:6px 18px;border-radius:20px;font-weight:700;font-size:14px}
.tol-row{display:flex;justify-content:space-between;font-size:12.8px;padding:8px 0;border-bottom:1px dashed var(--line2)}
.tol-row .bar{flex:1;margin:0 12px;height:7px;border-radius:4px;background:#EEF0F3;position:relative;align-self:center}
.color-swatch{display:flex;height:64px;border-radius:10px;overflow:hidden;margin:14px 0;border:1px solid var(--line2)}
.color-swatch div{flex:1;display:flex;align-items:flex-end;justify-content:center;padding-bottom:7px;font-size:11px;color:#333;font-weight:600}

/* 行业细分内的紧凑设备卡 */
.seg-dev .rec{grid-template-columns:54px 1fr;gap:12px 14px;padding:16px;text-align:left}
.seg-dev .rec .pd{width:54px;height:54px;grid-row:span 2}
.seg-dev .rec .pd svg{width:30px;height:30px}
.seg-dev .rec>div:nth-child(2){min-width:0}
.seg-dev .rec h4{font-size:14.5px;white-space:normal}
.seg-dev .rec>div:nth-child(3){grid-column:2;text-align:left}
.rec .btn{white-space:nowrap}
.rec .specs .chip{white-space:nowrap}

/* ===== 视频课堂 ===== */
.video-layout{display:grid;grid-template-columns:1.15fr .85fr;gap:18px;align-items:start}
.vmain{background:#fff;border:1px solid var(--line2);border-radius:13px;overflow:hidden;box-shadow:var(--sh);cursor:pointer;transition:.18s}
.vmain:hover{box-shadow:var(--sh-h);transform:translateY(-2px)}
.vcover{position:relative;background:radial-gradient(120% 140% at 20% 0%,#2A3D56,#13202F);overflow:hidden}
.vcover.big{aspect-ratio:16/9}
.vdecor{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}
.vtag{position:absolute;left:12px;top:12px;background:rgba(255,255,255,.16);color:#fff;font-size:11px;padding:3px 10px;border-radius:14px;backdrop-filter:blur(4px);z-index:1}
.vdur{position:absolute;right:10px;bottom:10px;background:rgba(0,0,0,.62);color:#fff;font-size:11px;padding:2px 8px;border-radius:5px;font-variant-numeric:tabular-nums;z-index:1}
.play{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:58px;height:58px;border-radius:50%;background:rgba(255,255,255,.92);color:var(--accent);display:flex;align-items:center;justify-content:center;transition:.16s;box-shadow:0 8px 24px rgba(0,0,0,.3);z-index:1}
.play svg{width:24px;height:24px;margin-left:3px}
.vmain:hover .play{background:var(--accent);color:#fff;transform:translate(-50%,-50%) scale(1.08)}
.play.sm{width:34px;height:34px}.play.sm svg{width:14px;height:14px;margin-left:2px}
.play.xl{width:72px;height:72px;position:static;transform:none}.play.xl svg{width:30px;height:30px;margin-left:3px}.vplayer:hover .play.xl{background:var(--accent);color:#fff}
.vinfo{padding:16px 18px}
.vinfo h4{font-size:16px;color:var(--ink);margin-bottom:9px;font-family:var(--serif);line-height:1.45}
.vinfo ul{list-style:none}.vinfo li{font-size:13px;color:var(--muted);padding:3px 0 3px 18px;position:relative}
.vinfo li::before{content:"";position:absolute;left:2px;top:10px;width:7px;height:7px;border-radius:50%;background:var(--accent)}
.vlist{display:flex;flex-direction:column;gap:12px}
.vrow{display:flex;gap:12px;background:#fff;border:1px solid var(--line2);border-radius:11px;padding:10px;cursor:pointer;transition:.16s;box-shadow:var(--sh)}
.vrow:hover{border-color:#C9D8F0;transform:translateX(3px)}
.vthumb{position:relative;width:128px;flex:none;aspect-ratio:16/9;border-radius:8px;overflow:hidden;background:radial-gradient(120% 140% at 20% 0%,#2A3D56,#13202F)}
.vmeta{min-width:0;display:flex;flex-direction:column;justify-content:center;gap:5px}
.vmeta b{font-size:13.5px;color:var(--ink);line-height:1.45;font-weight:600}
.vmeta span{font-size:11.5px;color:var(--faint)}
.vmask{position:fixed;inset:0;background:rgba(13,20,31,.72);backdrop-filter:blur(3px);z-index:300;display:none;align-items:center;justify-content:center;padding:24px}
.vmask.show{display:flex}
.vmodal{background:#fff;border-radius:16px;max-width:760px;width:100%;overflow:hidden;position:relative;box-shadow:0 30px 80px rgba(0,0,0,.5);animation:pop .2s ease}
@keyframes pop{from{transform:scale(.96);opacity:0}to{transform:scale(1);opacity:1}}
.vclose{position:absolute;right:12px;top:10px;z-index:2;width:34px;height:34px;border-radius:50%;background:rgba(0,0,0,.45);color:#fff;font-size:20px;line-height:1;cursor:pointer}
.vplayer{position:relative;aspect-ratio:16/9;background:radial-gradient(120% 140% at 20% 0%,#2A3D56,#0C1626);display:flex;align-items:center;justify-content:center}
.vnote{position:absolute;bottom:12px;left:0;right:0;text-align:center;color:#9FB0C6;font-size:12px}
.vmodal-body{padding:20px 24px 24px}
.vmodal-body h4{font-family:var(--serif);font-size:19px;color:var(--ink);margin:11px 0}
.vpts{list-style:none;margin-bottom:16px}.vpts li{font-size:13.5px;color:var(--muted);padding:4px 0 4px 22px;position:relative}.vpts li::before{content:"✓";position:absolute;left:0;color:var(--good);font-weight:700}

/* 移动端导航抽屉 */
.mnav{display:none;flex-direction:column;background:#fff;border-bottom:1px solid var(--line2)}
.mnav a{padding:14px 20px;border-top:1px solid var(--line2);font-size:14.5px}
.mnav.open{display:flex}
.toast{position:fixed;left:50%;top:50%;transform:translate(-50%,-50%);background:var(--ink);color:#fff;padding:22px 38px;border-radius:14px;font-size:20px;font-weight:600;line-height:1.6;text-align:center;max-width:78vw;opacity:0;transition:opacity .25s;z-index:9999;pointer-events:none;box-shadow:0 18px 50px rgba(0,0,0,.4)}
.toast.show{opacity:1}
@media (max-width:640px){.toast{font-size:17px;padding:16px 24px;max-width:86vw}}

@media(max-width:960px){
  .layout{grid-template-columns:1fr}.filter{position:static}
  .art-layout{grid-template-columns:1fr}.art-side{position:static}
  .optgrid,.seg-grid,.devgrid,.dl-grid,.sym-grid,.gloss-grid,.std-grid,.flow3,.result-num,.video-layout{grid-template-columns:1fr}
  .seg-grid.n4{grid-template-columns:repeat(2,1fr)}
  .vthumb{width:116px}
  .de-wrap{grid-template-columns:1fr}
  .rec{grid-template-columns:1fr;text-align:center}.rec .pd{margin:0 auto}
  .relnet .rg{grid-template-columns:repeat(2,1fr)}
  .flow3 .f{border-radius:0!important}
}
@media(max-width:600px){
  .g3,.g4,.g2,.tool-strip,.pf-grid,.taskrow,footer .fgrid{grid-template-columns:1fr}
  .wrap{padding:0 16px}.topbar .in{padding:0 14px;gap:12px}
  .brand .bs{display:none}
  .nav-cta{padding:8px 12px;font-size:12.5px}
  .rec .specs{display: block;}
}
/* ===== 企业实力 ===== */
.about-strip{display:grid;grid-template-columns:1.1fr 1.5fr;gap:32px;align-items:center;background:linear-gradient(135deg,#F1F5FB,#FAF9F4);border:1px solid var(--line2);border-radius:16px;padding:30px 32px;position:relative;overflow:hidden}
.about-strip::before{content:"";position:absolute;left:0;top:0;bottom:0;width:5px;background:var(--spec)}
.about-strip h3{font-family:var(--serif);font-size:22px;color:var(--ink);margin-bottom:10px}
.about-strip .lead2{font-size:13.5px;color:var(--muted);line-height:1.85;margin-bottom:14px}
.cert-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px}
.cert-badge{font-size:11.5px;font-weight:600;color:var(--accent);background:#fff;border:1px solid #C9D8EF;border-radius:20px;padding:5px 12px;white-space:nowrap}
.astat-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.astat{background:#fff;border:1px solid var(--line2);border-radius:12px;padding:14px 16px;min-width:0}
.astat .n{font-family:var(--serif);font-weight:900;font-size:25px;color:var(--accent);line-height:1}
.astat .n small{font-size:13px;font-weight:700;margin-left:1px}
.astat .l{font-size:11.5px;color:var(--muted);margin-top:7px}
.about-hero{background:radial-gradient(900px 400px at 82% -30%,#27405F,var(--ink));color:#fff;padding:54px 0}
.about-hero h1{font-family:var(--serif);font-size:clamp(27px,3.4vw,36px);line-height:1.35;margin:16px 0;max-width:19em}
.about-hero p{color:#C4D2E6;max-width:48em;line-height:1.9}
.stat-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:14px}
.stat{background:var(--paper);border-radius:12px;padding:22px 14px;text-align:center;border-top:3px solid var(--accent);min-width:0}
.stat .n{font-family:var(--serif);font-weight:900;font-size:29px;color:var(--ink);line-height:1}
.stat .n small{font-size:14px;font-weight:700;color:var(--accent);margin-left:1px}
.stat .l{font-size:11.8px;color:var(--muted);margin-top:9px;line-height:1.5}
.cap-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.cap{background:#fff;border:1px solid var(--line2);border-radius:14px;padding:22px;box-shadow:var(--sh);min-width:0}
.cap .ci{width:42px;height:42px;border-radius:10px;background:var(--accent-l);color:var(--accent);display:flex;align-items:center;justify-content:center;margin-bottom:14px}
.cap h4{font-family:var(--serif);font-size:16.5px;color:var(--ink);margin-bottom:10px}
.cap li{list-style:none;font-size:12.8px;color:var(--muted);line-height:1.65;padding-left:13px;position:relative;margin-bottom:7px}
.cap li::before{content:"";position:absolute;left:0;top:8px;width:5px;height:5px;border-radius:50%;background:var(--accent)}
.brand-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.fbrand{border:1px solid var(--line2);border-radius:14px;padding:22px;background:linear-gradient(160deg,#fff,#F5F8FC);min-width:0}
.fbrand .bn{font-family:var(--serif);font-size:19px;font-weight:900;color:var(--ink);line-height:1.3}
.fbrand .bn small{display:block;font-family:var(--sans);font-size:10.5px;font-weight:600;color:var(--accent);letter-spacing:1px;margin-top:5px}
.fbrand p{font-size:12.5px;color:var(--muted);line-height:1.7;margin:12px 0 0}
.mtl{display:grid;grid-template-columns:128px 30px minmax(0,1fr);column-gap:18px;max-width:980px;margin:0 auto}
.mtl .mrow{display:contents}
.mtl .ty{text-align:right;font-family:var(--serif);font-weight:900;font-size:19px;color:var(--accent);padding-top:1px}
.mtl .tax{position:relative;width:30px;justify-self:center}
.mtl .tax::before{content:"";position:absolute;top:8px;bottom:-14px;left:50%;transform:translateX(-50%);width:2px;background:var(--line2)}
.mtl .mrow:last-child .tax::before{display:none}
.mtl .dot{position:absolute;top:5px;left:50%;transform:translateX(-50%);width:13px;height:13px;border-radius:50%;background:#fff;border:3px solid var(--accent);z-index:1}
.mtl .tc{padding-bottom:20px;min-width:0}
.mtl .tc h4{font-size:15px;color:var(--ink);margin-bottom:4px}
.mtl .tc p{font-size:13px;color:var(--muted);line-height:1.7;margin:0;overflow-wrap:break-word}
.prodline{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
.pl{background:var(--paper);border-radius:12px;padding:18px 20px;min-width:0}
.pl h5{font-size:14px;color:var(--ink);margin-bottom:8px;font-family:var(--serif)}
.pl p{font-size:12px;color:var(--muted);line-height:1.65}
@media(max-width:960px){
 .about-strip{grid-template-columns:1fr;gap:22px;padding:24px}
 .stat-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
 .cap-grid,.brand-grid,.prodline{grid-template-columns:repeat(2,minmax(0,1fr))}
 .mtl{grid-template-columns:72px 24px minmax(0,1fr);column-gap:12px}
}
@media(max-width:600px){
 .cap-grid,.brand-grid,.prodline,.astat-grid{grid-template-columns:minmax(0,1fr)}
 .stat-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
 .about-hero{padding:40px 0}
 .about-hero p,.cap li,.fbrand p{overflow-wrap:break-word}
}

/* ===== 合并增强：工具中心 / 标准动态与标准包 / 课程板块 / 向导对接 / 参数对照 ===== */
.tool-strip.g5{grid-template-columns:repeat(5,1fr)}
.subtabs{display:flex;gap:9px;flex-wrap:wrap;margin-bottom:24px}
.subtabs button{display:flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line2);border-radius:10px;padding:10px 15px;font-size:13.3px;font-weight:600;color:var(--ink2);transition:.15s;box-shadow:var(--sh)}
.subtabs button .n{width:22px;height:22px;border-radius:6px;background:var(--accent-l);color:var(--accent);display:flex;align-items:center;justify-content:center;font-size:11.5px;font-weight:800;flex:none}
.subtabs button.on{border-color:var(--accent);background:var(--accent);color:#fff;box-shadow:0 6px 16px -6px rgba(47,93,168,.55)}
.subtabs button.on .n{background:rgba(255,255,255,.22);color:#fff}
.tool-pane{display:none}.tool-pane.on{display:block;animation:fadein .22s ease}
@keyframes fadein{from{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:22px;align-items:start}
.field{margin-bottom:13px}
.field label{display:block;font-size:12px;color:var(--muted);font-weight:600;margin-bottom:6px}
.inp{width:100%;border:1.5px solid var(--line);border-radius:8px;padding:10px 12px;font-size:14.5px;font-family:inherit;outline:none;background:#fff;color:var(--ink)}
.inp:focus{border-color:var(--accent)}
.row3{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.out-card{background:var(--accent-ll);border:1px solid #C9D8F0;border-radius:12px;padding:16px 20px;margin-top:6px}
.out-line{display:flex;justify-content:space-between;align-items:center;font-size:13.3px;padding:8px 0;border-bottom:1px dashed #D5E0F2;gap:10px}
.out-line:last-child{border:none}
.out-line b{font-family:ui-monospace,Menlo,monospace;color:var(--ink);font-size:14.5px}
.big-res{font-family:var(--serif);font-size:48px;font-weight:900;color:var(--accent);line-height:1;margin:6px 0 4px}
.pill-pass{display:inline-block;padding:5px 16px;border-radius:20px;font-weight:800;font-size:14px;margin:4px 0}
.ita-scale{position:relative;height:14px;border-radius:7px;margin:22px 0 6px;background:linear-gradient(90deg,#5B3A29,#A9744F,#D9A06B,#E8C79A,#F0DCB8,#FBF3E4)}
.ita-marks{display:flex;justify-content:space-between;font-size:10px;color:var(--faint);margin-bottom:4px}
.ita-marker{position:absolute;top:-7px;width:4px;height:28px;border-radius:2px;background:var(--ink);transform:translateX(-50%);transition:.2s}
.waveband{display:inline-block;padding:3px 11px;border-radius:14px;font-size:12px;font-weight:700;color:#fff}
/* 标准动态 / 行业标准包 */
.news-list{display:grid;grid-template-columns:repeat(2,1fr);gap:13px;margin-bottom:8px}
.news{display:flex;gap:14px;background:#fff;border:1px solid var(--line2);border-radius:12px;padding:15px 17px;box-shadow:var(--sh);align-items:flex-start}
.news .nd{flex:none;width:52px;text-align:center;background:var(--good-l);color:var(--good);border-radius:9px;padding:8px 0}
.news .nd b{display:block;font-family:var(--serif);font-size:18px;line-height:1}
.news .nd span{font-size:10px}
.news h5{font-size:13.8px;color:var(--ink);margin-bottom:4px}
.news p{font-size:12.2px;color:var(--muted);line-height:1.55;margin:0}
.pack-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.pack{background:#fff;border:1px solid var(--line2);border-radius:13px;padding:18px;box-shadow:var(--sh);transition:.16s;text-align:left}
.pack:hover{border-color:var(--accent);transform:translateY(-2px);box-shadow:var(--sh-h)}
.pack .ph{display:flex;align-items:center;gap:9px;margin-bottom:10px}
.pack .pi{width:34px;height:34px;border-radius:9px;background:var(--good-l);color:var(--good);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:12.5px;flex:none}
.pack h5{font-size:14.5px;color:var(--ink)}
.pack li{list-style:none;font-size:12.1px;color:var(--muted);padding:3px 0 3px 15px;position:relative;font-family:ui-monospace,Menlo,monospace}
.pack li::before{content:"";position:absolute;left:0;top:9px;width:5px;height:5px;border-radius:50%;background:var(--good)}
.pack .more-link{margin-top:10px;font-size:12px;color:var(--accent);font-weight:600}
/* 课程板块总览 */
.board-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:30px}
.board{background:#fff;border:1px solid var(--line2);border-radius:13px;padding:20px;box-shadow:var(--sh);cursor:pointer;transition:.16s;position:relative;overflow:hidden}
.board::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--spec)}
.board:hover{transform:translateY(-3px);box-shadow:var(--sh-h);border-color:#C9D8F0}
.board .bi{width:42px;height:42px;border-radius:10px;display:flex;align-items:center;justify-content:center;margin-bottom:12px}
.board h4{font-size:15.5px;color:var(--ink);margin-bottom:5px}
.board .cnt{font-family:var(--serif);font-size:24px;font-weight:900;color:var(--accent);line-height:1}
.board .cnt small{font-size:11.5px;color:var(--faint);font-weight:500;font-family:var(--sans);margin-left:3px}
.board p{font-size:12.2px;color:var(--muted);margin:9px 0 12px;line-height:1.55;min-height:38px}
/* 向导结果对接卡 */
.dock{background:#fff;border:1px solid var(--line2);border-radius:13px;padding:20px 22px;margin:18px 0;box-shadow:var(--sh)}
.dock>h4{font-family:var(--serif);font-size:16.5px;color:var(--ink);margin-bottom:4px;display:flex;align-items:center;gap:8px}
.dock>.ds{font-size:12.5px;color:var(--muted);margin-bottom:14px}
.dock-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:11px}
.dlink{display:flex;gap:11px;align-items:flex-start;border:1.5px solid var(--line2);border-radius:10px;padding:12px 14px;cursor:pointer;transition:.15s;text-align:left;background:#fff}
.dlink:hover{border-color:var(--accent);background:var(--accent-ll)}
.dlink .di{flex:none;width:30px;height:30px;border-radius:8px;background:var(--accent-l);color:var(--accent);display:flex;align-items:center;justify-content:center}
.dlink b{font-size:13.3px;color:var(--ink);display:block;margin-bottom:2px}
.dlink span{font-size:11.7px;color:var(--muted);line-height:1.45}
.value-band{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:6px 0 2px}
.value-band .vb{background:var(--good-l);border-radius:10px;padding:14px;text-align:center}
.value-band .vb b{font-family:var(--serif);font-size:21px;color:var(--good);display:block}
.value-band .vb span{font-size:11.5px;color:var(--muted)}
.parm-table th,.parm-table td{font-size:12.6px;vertical-align:top}
@media(max-width:960px){
 .grid2,.news-list,.dock-grid{grid-template-columns:1fr}
 .pack-grid,.board-grid{grid-template-columns:repeat(2,1fr)}
 .value-band{grid-template-columns:1fr}
 .tool-strip.g5{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:600px){
 .pack-grid,.board-grid{grid-template-columns:1fr}
 .row3{grid-template-columns:1fr}
}
/* 核心栏目四宫格 */
.pillar{background:var(--card);border:1px solid var(--line2);border-radius:12px;padding:22px 20px;cursor:pointer;transition:.18s;box-shadow:var(--sh);display:flex;flex-direction:column}
.pillar:hover{transform:translateY(-4px);box-shadow:var(--sh-h)}
.pchip{width:44px;height:44px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:20px;margin-bottom:14px}
.pillar h4{font-size:16px;font-weight:700;color:var(--ink);margin-bottom:7px}
.pillar p{font-size:13px;color:var(--muted);line-height:1.65;flex:1}
.plink{font-size:13px;font-weight:600;color:var(--accent);margin-top:12px}
@media(max-width:960px){ .cards.g4{grid-template-columns:1fr 1fr!important} }
@media(max-width:600px){ .cards.g4{grid-template-columns:1fr!important} }

/* =========================================================
   3nh.cn 官网统一皮肤（色彩学院栏目改版）
   品牌色 #00A2E9 · 字体 Microsoft YaHei · 白底 #333 正文
   ========================================================= */
h1,h2,h3,h4,h5,h6,.serif{font-family:var(--sans);font-weight:700}
body{font-size:14px}
.wrap{max-width:1200px;padding:0 20px}

/* ---- 全局顶栏（深色信息条） ---- */
.g-topbar{background:#111;color:#888;font-size:12px;height:36px}
.g-topbar .g-in{max-width:1200px;margin:0 auto;padding:0 20px;height:36px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.g-topbar ul{list-style:none;display:flex;align-items:center;gap:9px;line-height:1}
.g-topbar a{color:#888;transition:.15s}
.g-topbar a:hover{color:#fff}
.g-topbar .pipe{color:#3a3a3a}
.g-topbar .g-tel strong{color:#00A2E9;font-size:14px;margin-left:2px}
/* ---- 吸顶容器：logo 行 + 栏目导航 ---- */
.g-sticky{position:sticky;top:0;z-index:120;background:#fff;box-shadow:0 1px 5px rgba(0,0,0,.1)}
.g-head .g-in{max-width:1200px;margin:0 auto;padding:0 20px;height:74px;display:flex;align-items:center;gap:26px}
.g-logo{display:flex;align-items:center;gap:10px;flex:none}
.g-logo .lw{font-family:Arial,Helvetica,sans-serif;font-weight:700;font-size:36px;color:#00A2E9;letter-spacing:-1.5px;line-height:1}
.g-logo .lw sup{font-size:11px;letter-spacing:0}
.g-logo .ls{font-size:12px;color:#999;letter-spacing:3px;border-left:1px solid #e5e5e5;padding-left:10px;line-height:1.5}
.g-logo .ls b{display:block;color:#333;font-size:13px;letter-spacing:1px;font-weight:700}
.g-nav{display:flex;flex:1;justify-content:flex-end;align-items:stretch;height:74px;overflow-x:auto}
.g-nav a{flex:none;font-size:16px;color:#333;padding:0 17px;line-height:74px;position:relative;white-space:nowrap;transition:color .15s}
.g-nav a:hover{color:#00A2E9}
.g-nav a.on{color:#00A2E9;font-weight:700}
.g-nav a.on::after{content:"";position:absolute;left:17px;right:17px;bottom:0;height:3px;background:#00A2E9}
.g-burger{display:none;font-size:24px;color:#333;line-height:1}
/* ---- 栏目二级导航（品牌色条） ---- */
.c-nav{background:#00A2E9}
.c-nav .g-in{max-width:1200px;margin:0 auto;padding:0 20px;display:flex;align-items:center;overflow-x:auto}
.c-nav .c-title{flex:none;color:#fff;font-size:16px;font-weight:700;line-height:46px;padding-right:18px;margin-right:8px;border-right:1px solid rgba(255,255,255,.4);white-space:nowrap}
.c-nav a{flex:none;color:rgba(255,255,255,.92);font-size:14px;line-height:46px;padding:0 17px;white-space:nowrap;transition:.15s}
.c-nav a:hover{background:rgba(255,255,255,.14);color:#fff}
.c-nav a.active{background:#fff;color:#00A2E9;font-weight:700}
/* 移动抽屉 */
.mnav{display:none;flex-direction:column;background:#fff;border-bottom:1px solid var(--line2)}
.mnav a{padding:13px 20px;border-top:1px solid var(--line2);font-size:14.5px;color:#333}
.mnav a:hover{color:#00A2E9}
.mnav.open{display:flex}

/* ---- 区块标题：官网居中样式 ---- */
.section{padding:46px 0 8px}
.sec-title{display:flex;flex-direction:column;align-items:center;text-align:center;margin-bottom:32px;gap:6px}
.sec-title h2{font-size:32px;color:#333;letter-spacing:1px}
.sec-title p{color:var(--muted);font-size:14px;margin-top:6px}
.sec-title .more{font-size:13px;color:#00A2E9;font-weight:500}
.eyebrow{color:#00A2E9;letter-spacing:3px}

/* ---- 按钮 / 标签 / 卡片：扁平小圆角 ---- */
.btn{border-radius:3px}
.btn-p{box-shadow:none}
.chip{border-radius:2px}
.tag-type,.t-entry,.t-solve,.t-pick,.t-myth,.t-term,.t-std{background:#E6F6FE;color:#0089C7}
.card,.tool,.arow,.acard,.side-box,.pack,.board,.gterm,.std,.dl,.devcard,.rec,.de-panel,.vmain,.vrow,.optcard,.seg,.filter,.searchbar,.news,.dock,.dlink,.sym,.vmodal,.takeaway,.relnet,.proof-band,.ctaband,.case-banner,.about-strip,.cap,.fbrand,.vinfo,.cmp,.details,details.collapse,details.faqitem{border-radius:4px}
.card.click:hover{border-color:#00A2E9}
.tool::before,.board::before,.proof-band::before{background:var(--spec)}
.tool .ic,.optcard .oi,.cap .ci,.dlink .di{background:#E6F6FE;color:#00A2E9;border-radius:4px}
.tabs{background:#f2f2f2;border-radius:3px}
.tabs button.on{color:#00A2E9}
.subtabs button.on{background:#00A2E9;border-color:#00A2E9}
.subtabs button.on .n{background:rgba(255,255,255,.25);color:#fff}
.alpha button.on,.alpha button:hover{background:#00A2E9;border-color:#00A2E9}
.step.on .dot{background:#00A2E9;box-shadow:0 0 0 4px #E6F6FE}
.optcard.sel{border-color:#00A2E9;background:#F3FAFE;box-shadow:0 0 0 3px #E6F6FE}
.optcard.sel .oi{background:#00A2E9}

/* ---- 横幅：品牌蓝渐变（替代深navy） ---- */
.hero{background:linear-gradient(115deg,#00A2E9 0%,#0090D4 45%,#0072BC 100%);padding:56px 0}
.hero::before,.hero::after{display:none}
.hero h1{color:#fff;font-size:clamp(28px,3.6vw,40px);letter-spacing:1px}
.hero h1 .spec-text{color: #FFF1A8;}
.hero p.lead{color:rgba(255,255,255,.9)}
.hero .eyebrow{color:rgba(255,255,255,.85)}
.task{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.28)}
.task:hover{background:#fff;color:#0072BC}
.task:hover .ti,.task:hover .td{color:#0072BC}
.task .td{color:rgba(255,255,255,.75)}
.indpick{color:rgba(255,255,255,.8)}
.indpick a{color:#fff;border-color:rgba(255,255,255,.45)}
.indpick a:hover{background:#fff;color:#0072BC}
.ind-hero,.about-hero{background:linear-gradient(115deg,#00A2E9,#0072BC)}
.ind-hero p,.about-hero p{color:rgba(255,255,255,.9)}
.proof-band{background:#22303F}
.ctaband{background:linear-gradient(115deg,#00A2E9,#0072BC)}
.ctaband .w{color:#0072BC}
.wiz-head,.art-hero{background:#fff}
.case-banner{background:#F3FAFE;border-color:#BFE7FA}
.case-banner h3{color:#0072BC}

/* ---- 吸顶偏移适配新头部高度 ---- */
.filter{top:132px}
.art-side{top:132px}
.anchor-nav{top:120px}

/* ---- 官网页脚 ---- */
footer{margin-top:60px;background:#22303F;color:#b9c4cf;padding:44px 0 0;font-size:13px}
footer .f-in{max-width:1200px;margin:0 auto;padding:0 20px}
footer .f-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:34px;padding-bottom:34px}
footer .f-logo{font-family:Arial,Helvetica,sans-serif;font-weight:700;font-size:30px;color:#00A2E9;letter-spacing:-1px;line-height:1;margin-bottom:14px}
footer .f-desc{color:#8d99a6;font-size:12.5px;line-height:1.9;max-width:26em}
footer h5{color:#fff;font-size:14px;margin-bottom:14px;font-weight:700}
footer li{list-style:none;padding:4px 0;color:#b9c4cf;cursor:pointer}
footer li:hover{color:#00A2E9}
footer li.info{cursor:default}footer li.info:hover{color:#b9c4cf}
footer .f-nav{border-top:1px solid #33414f;padding:16px 0;font-size:12.5px;color:#8d99a6;display:flex;flex-wrap:wrap;align-items:center;gap:4px}
footer .f-nav a{color:#b9c4cf;margin:0 4px}
footer .f-nav a:hover{color:#00A2E9}
footer .f-nav span{color:#4a5763}
footer .f-copy{border-top:1px solid #33414f;padding:14px 0 18px;font-size:12px;color:#7d8996;display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px}
footer .f-copy a{color:#7d8996}footer .f-copy a:hover{color:#00A2E9}
footer .spec{display:none}
footer .fgrid,footer .copy{display:none}

@media(max-width:960px){
  .g-nav{display:none}
  .g-burger{display:block;margin-left:auto}
  .g-head .g-in{height:60px}
  .g-nav a{line-height:60px}
  .g-logo .ls{display:none}
  .filter,.art-side{position:static}
  .anchor-nav{top:106px}
  footer .f-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:600px){
  footer .f-grid{grid-template-columns:1fr}
  .sec-title h2{font-size:24px}
  .g-topbar .g-left li:nth-child(n+4){display:none}
}

/* ===== CMS 栏目页补充 ===== */
.c-nav{margin:0;display: flex;}
.art-body img{max-width:100%;height:auto}
.art-body table{width:100%;border-collapse:collapse;margin:14px 0}
.art-body td,.art-body th{border:1px solid var(--line2);padding:8px 10px;font-size:13.5px}
.art-body .qk-md-ol{padding-left: 15px;}


/* 术语词典：搜索框与分类标签融合为同一个筛选卡片 */
.term-filter{background:#fff;border:1px solid var(--line);border-radius:11px;padding:8px 16px 12px;margin-bottom:18px;box-shadow:var(--sh)}
.tf-search input{width:100%;border:none;outline:none;background:transparent;font-size:14.5px;font-family:inherit;color:var(--text);padding:9px 2px}
.tf-tags{display:flex;flex-wrap:wrap;gap:8px;padding-top:11px;border-top:1px solid var(--line2)}
.tf-tag{font-size:12.5px;line-height:1.5;padding:4px 13px;border-radius:20px;background:#F1F4F8;color:var(--muted);cursor:pointer;transition:.15s;user-select:none}
.tf-tag:hover{background:var(--accent-l);color:var(--accent)}
.tf-tag.active{background:var(--accent);color:#fff}