/* ============================================================
   AlliedEx 官网 · 统一设计系统
   配色：深蓝 navy + 橙色 orange 强调
   ============================================================ */
@import url("fonts.css");
:root{
  --navy:#0a2540;
  --navy-2:#123a5e;
  --orange:#ff6b35;
  --orange-d:#e2531c;
  --ink:#1f2937;
  --muted:#64748b;
  --line:#e2e8f0;
  --bg:#f8fafc;
  --white:#ffffff;
  --font-body:'Inter',-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
  --font-head:'Inter',-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
  --font-word:'Inter',-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
  --font-mono:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;
}
*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  font-family:var(--font-body);
  color:var(--ink);line-height:1.7;background:var(--bg);
}
a{text-decoration:none;color:inherit;}
img{max-width:100%;display:block;}
/* 换行优化：标题自动平衡行、段落避免孤字（根治“丑断行”） */
h1,h2,h3{text-wrap:balance;font-family:var(--font-head);}
h1{font-weight:800;} h2,h3{font-weight:700;}
p,li{text-wrap:pretty;}
.container{max-width:1140px;margin:0 auto;padding:0 24px;}

/* ---------- Nav ---------- */
header{
  position:sticky;top:0;z-index:50;background:rgba(10,37,64,.96);
  backdrop-filter:blur(6px);border-bottom:1px solid rgba(255,255,255,.08);
}
.nav{display:flex;align-items:center;justify-content:space-between;height:64px;}
.brand{display:flex;align-items:baseline;gap:10px;color:#fff;font-weight:800;font-size:19px;font-family:var(--font-word);letter-spacing:-.2px;}
/* 导航栏字标：矢量 SVG（替代旧 23×40 模糊位图，高分屏不虚）；颜色锁定品牌蓝橙 */
.brand .logo-wordmark{
  height:24px;max-height:24px;width:auto;
  object-fit:contain;display:block;flex-shrink:0;
}
/* 中文名与字标【底边齐平】：brand 用 baseline 对齐（img 基线=盒底，汉字基线=字底）；
   small 收成 line-height:1，避免行盒的上下半行距把字标顶偏上 */
.brand small{color:#9fb3c8;font-weight:700;font-size:15px;margin-left:8px;letter-spacing:.5px;line-height:1;}
@media (max-width:600px){.brand .logo-wordmark{height:20px;}.brand small{display:none;}}

/* 注册商标 ® 上标：ALLIEDEX 已注册（注册号 91235925，第09+42类，2026-10-07 起专用10年） */
sup.reg{font-size:.5em;font-weight:800;line-height:0;margin-left:.12em;color:inherit;vertical-align:super;letter-spacing:0;}
.nav-links{display:flex;gap:28px;}
.nav-links a{color:#cbd5e1;font-size:15px;transition:.2s;}
.nav-links a:hover,.nav-links a.active{color:var(--orange);}
.nav-cta{
  background:var(--orange);color:#fff;padding:8px 18px;border-radius:8px;
  font-size:14px;font-weight:600;transition:.2s;
}
.nav-cta:hover{background:var(--orange-d);}

/* ---------- Hero (首页) ---------- */
.hero{
  background:radial-gradient(circle at 20% 20%,#123a5e,#0a2540 60%);
  color:#fff;padding:90px 0 80px;position:relative;overflow:hidden;
}
.hero::after{
  content:"";position:absolute;right:-80px;top:-80px;width:360px;height:360px;
  background:radial-gradient(circle,rgba(255,107,53,.25),transparent 70%);border-radius:50%;
}
.hero .tag{
  display:inline-block;background:rgba(255,107,53,.15);color:var(--orange);
  padding:6px 14px;border-radius:20px;font-size:13px;font-weight:600;margin-bottom:18px;
}
.hero h1{font-size:46px;line-height:1.2;font-weight:800;margin-bottom:18px;letter-spacing:-.5px;}
.hero h1 span{color:var(--orange);}
.hero h1 .hl-sub{display:block;font-size:21px;font-weight:600;color:#cbd5e1;margin-top:14px;letter-spacing:0;line-height:1.45;}
.hero p{font-size:18px;color:#cbd5e1;max-width:620px;margin-bottom:30px;}
.hero-btns{display:flex;gap:16px;flex-wrap:wrap;}
.btn-primary{background:var(--orange);color:#fff;padding:13px 28px;border-radius:10px;font-weight:600;transition:.2s;display:inline-block;}
.btn-primary:hover{background:var(--orange-d);transform:translateY(-2px);}
.btn-ghost{border:1px solid rgba(255,255,255,.35);color:#fff;padding:13px 28px;border-radius:10px;font-weight:600;transition:.2s;display:inline-block;}
.btn-ghost:hover{border-color:var(--orange);color:var(--orange);}
.hero-stats{display:flex;gap:40px;margin-top:50px;flex-wrap:wrap;}
.hero-stats .item{color:#fff;}
.hero-stats .num{font-size:30px;font-weight:800;color:var(--orange);}
.hero-stats .lab{font-size:13px;color:#9fb3c8;}

/* ---------- 内页 Hero ---------- */
.page-hero{
  background:radial-gradient(circle at 20% 20%,#123a5e,#0a2540 60%);
  color:#fff;padding:70px 0 56px;
}
.page-hero .eyebrow{color:var(--orange);font-weight:700;letter-spacing:3px;text-transform:uppercase;font-size:13px;}
.page-hero h1{font-size:40px;font-weight:800;margin:10px 0 14px;}
.page-hero p{font-size:17px;color:#cbd5e1;max-width:680px;}
.breadcrumb{font-size:13px;color:#9fb3c8;margin-bottom:14px;}
.breadcrumb a{color:#9fb3c8;}
.breadcrumb a:hover{color:var(--orange);}

/* ---------- Section ---------- */
section{padding:72px 0;}
.sec-head{text-align:center;margin-bottom:48px;}
.sec-head .eyebrow{color:var(--orange);font-weight:700;font-size:14px;letter-spacing:2px;text-transform:uppercase;}
.sec-head h2{font-size:32px;font-weight:800;margin-top:8px;color:var(--navy);}
.sec-head p{color:var(--muted);margin-top:12px;font-size:16px;}

/* ---------- Cards ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:24px;}

/* 首页 · 知识库精选（用 .kb-featured，避免与知识库页 .kb-grid 冲突） */
.kb-featured{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.kb-featured .card{display:flex;flex-direction:column;}
.kb-featured .card h3{min-height:2.7em;}
.kb-featured .kb-tag{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.5px;color:var(--orange);text-transform:uppercase;margin-bottom:10px;}
.kb-featured .kb-more{margin-top:auto;padding-top:16px;font-size:14px;font-weight:700;color:var(--orange);}

/* 「名字里的防爆密码」· 名字分解图（宽 620px 起才看得清；
   单列窄屏不硬塞横图，改由下方四张说明卡承担，避免横向溢出） */
.name-decode-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;margin-bottom:30px;max-width:100%;}
.name-decode-scroll img,.name-decode-scroll svg{width:100%;min-width:620px;height:auto;display:block;}
@media(max-width:860px){
  .name-decode-scroll{display:none;}
}

/* 「一座井架，一个 Logo」· 井架实景照片 */
.hoist-photo{margin:0;}
.hoist-photo img{width:100%;height:auto;border-radius:14px;box-shadow:0 10px 30px rgba(10,37,64,.14);}
.hoist-photo figcaption{margin-top:12px;font-size:13px;color:var(--muted);text-align:center;line-height:1.6;}
.card{
  background:#fff;border:1px solid var(--line);border-radius:16px;padding:32px;
  transition:.25s;box-shadow:0 1px 3px rgba(0,0,0,.04);
}
.card:hover{transform:translateY(-6px);box-shadow:0 12px 30px rgba(10,37,64,.12);border-color:var(--orange);}
.card .ic{
  width:52px;height:52px;border-radius:12px;background:rgba(255,107,53,.12);
  color:var(--orange);display:flex;align-items:center;justify-content:center;font-size:24px;margin-bottom:18px;
}
.card h3{font-size:20px;color:var(--navy);margin-bottom:12px;}
.card p{color:var(--muted);font-size:15px;}
.card-link{display:block;color:inherit;text-decoration:none;cursor:pointer}
.card-link:hover{color:inherit}
.card ul{list-style:none;margin-top:14px;}
.card li{padding:6px 0 6px 22px;position:relative;color:var(--ink);font-size:14px;}
.card li::before{content:"▸";position:absolute;left:0;color:var(--orange);}
/* 国际认证卡片：标题与 SIL 入口改为可点链接（避免整卡包裹 a 嵌套） */
.card-intl h3 a{color:var(--navy);text-decoration:none;transition:.2s;}
.card-intl h3 a:hover{color:var(--orange);}
.card-intl .sil-entry{padding-top:10px;margin-top:4px;border-top:1px dashed var(--line);}
.card-intl .sil-entry::before{content:none;}
.card-intl .sil-entry a{color:var(--orange);font-weight:700;text-decoration:none;transition:.2s;}
.card-intl .sil-entry a:hover{text-decoration:underline;}

/* ---------- Advantage (深色) ---------- */
.adv{background:var(--navy);color:#fff;}
.adv .sec-head h2{color:#fff;}
.adv .sec-head p{color:#9fb3c8;}
.grid-3.adv-grid .card{background:rgba(255,255,255,.04);border-color:rgba(255,255,255,.1);}
.adv-grid .card h3{color:#fff;}
.adv-grid .card p{color:#b8c7d6;}

/* ---------- Centers ---------- */
.centers{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.center{
  border:1px solid var(--line);border-radius:16px;padding:32px;background:#fff;
  display:flex;gap:20px;align-items:flex-start;
}
.center .pin{width:46px;height:46px;flex:none;border-radius:12px;background:var(--navy);color:#fff;display:flex;align-items:center;justify-content:center;font-size:22px;}
.center h3{color:var(--navy);font-size:20px;margin-bottom:6px;}
.center p{color:var(--muted);font-size:15px;}

/* ---------- About ---------- */
.about{background:#fff;}
.about-wrap{max-width:820px;margin:0 auto;text-align:center;}
/* 「Logo 起源」区块：井架 mark 作背景水印。
   定位在【左栏文字区】背后（✓ 列表那一路），做文字底纹；
   横向严格收在左栏内、不进右侧照片列 → 与照片零重叠。
   单列（≤860px）下左右两栏合并、无处可让 → 隐藏 */
.about.about-origin{position:relative;overflow:hidden;isolation:isolate;}
.about.about-origin::before{
  content:"";position:absolute;z-index:-1;left:27%;top:53%;
  width:min(420px,36vw);height:84%;
  transform:translate(-50%,-50%);
  background:url("../brand/qinghe-mark.svg") center/contain no-repeat;
  opacity:.30;pointer-events:none;user-select:none;
}
@media(max-width:860px){
  .about.about-origin::before{display:none;}
}
.about-wrap p{color:var(--muted);font-size:17px;margin-bottom:18px;}
/* Brand Story / Company 等卡片内文字左对齐（覆盖父级居中） */
.about-wrap .card,.about-wrap .card p,.about-wrap .card ul,.about-wrap .card li{text-align:left;}
/* 卡片内嵌套子列表（EX四重内涵等） */
.about-wrap .card ul ul{margin-top:6px;padding-left:24px;line-height:1.9;}
.about-wrap .card ul ul li{padding:4px 0 4px 18px;}
.about-wrap p.lead{font-size:19px;color:var(--ink);font-weight:600;}
.lead-list{list-style:none;text-align:left;max-width:720px;margin:24px auto 0;}
.lead-list li{padding:12px 0 12px 30px;position:relative;border-bottom:1px solid var(--line);color:var(--ink);}
.lead-list li::before{content:"✓";position:absolute;left:0;color:var(--orange);font-weight:800;}

/* ---------- 服务详情 ---------- */
.service-detail{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;margin-bottom:56px;}
.service-detail:nth-child(even){direction:rtl;}
.service-detail:nth-child(even) > *{direction:ltr;}
.service-detail .sd-text h3{font-size:24px;color:var(--navy);margin-bottom:12px;}
.service-detail .sd-text .badge{display:inline-block;background:rgba(255,107,53,.12);color:var(--orange);padding:4px 12px;border-radius:6px;font-size:13px;font-weight:600;margin-bottom:14px;}
.service-detail .sd-text p{color:var(--muted);font-size:15px;margin-bottom:14px;}
.service-detail .sd-text ul{list-style:none;}
.service-detail .sd-text li{padding:5px 0 5px 22px;position:relative;color:var(--ink);font-size:14px;}
.service-detail .sd-text li::before{content:"▸";position:absolute;left:0;color:var(--orange);}
.sd-visual{
  background:linear-gradient(135deg,#123a5e,#0a2540);border-radius:16px;padding:40px;
  color:#fff;text-align:center;min-height:200px;display:flex;flex-direction:column;justify-content:center;
}
.sd-visual .big{font-size:40px;font-weight:800;color:var(--orange);margin-bottom:8px;}

/* ---------- 流程 ---------- */
.process{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:step;}
.step{background:#fff;border:1px solid var(--line);border-radius:14px;padding:26px 22px;position:relative;}
.step::before{
  counter-increment:step;content:counter(step);
  position:absolute;top:-16px;left:22px;width:34px;height:34px;border-radius:50%;
  background:var(--orange);color:#fff;font-weight:800;display:flex;align-items:center;justify-content:center;font-size:16px;
}
.step h4{margin:14px 0 8px;color:var(--navy);font-size:17px;}
.step p{color:var(--muted);font-size:14px;}

/* ---------- 案例 ---------- */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.case-card{
  background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;
  transition:.25s;box-shadow:0 1px 3px rgba(0,0,0,.04);display:flex;flex-direction:column;
}
.case-card:hover{transform:translateY(-6px);box-shadow:0 12px 30px rgba(10,37,64,.12);}
.case-card .top{padding:24px 26px;background:var(--navy);color:#fff;}
.case-card .top .tag{display:inline-block;background:rgba(255,107,53,.2);color:var(--orange);font-size:12px;font-weight:600;padding:3px 10px;border-radius:6px;margin-bottom:12px;}
.case-card .top h3{font-size:18px;line-height:1.4;}
.case-card .body{padding:24px 26px;flex:1;}
.case-card .body p{color:var(--muted);font-size:14px;margin-bottom:14px;}
.case-card .body .result{
  background:rgba(255,107,53,.08);border-left:3px solid var(--orange);
  padding:12px 16px;border-radius:0 8px 8px 0;font-size:14px;color:var(--ink);
}
.case-card .body .result strong{color:var(--orange-d);}

/* ---------- 联系 ---------- */
.contact{background:var(--navy);color:#fff;}
.contact .sec-head h2{color:#fff;}
.contact .sec-head p{color:#9fb3c8;}
.contact-wrap{display:grid;grid-template-columns:1fr 1fr;gap:40px;max-width:960px;margin:0 auto;}
.contact-box{
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);border-radius:16px;padding:32px;
}
.contact-row{display:flex;gap:14px;padding:14px 0;border-bottom:1px solid rgba(255,255,255,.08);}
.contact-row:last-child{border-bottom:none;}
.contact-row .k{color:var(--orange);font-weight:600;width:80px;flex:none;}
.contact-row .v{color:#e2e8f0;}
.contact-form .field{margin-bottom:16px;}
.contact-form label{display:block;font-size:14px;color:#cbd5e1;margin-bottom:6px;}
.contact-form input,.contact-form textarea,.contact-form select{
  width:100%;padding:11px 14px;border-radius:8px;border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.06);color:#fff;font-size:15px;font-family:inherit;
}
.contact-form option{background:#1a2a3a;color:#e8edf3;padding:6px 10px;}
.contact-form input::placeholder,.contact-form textarea::placeholder{color:#7b93ab;}
.contact-form input:focus,.contact-form textarea:focus,.contact-form select:focus{outline:none;border-color:var(--orange);}
.contact-form .btn-primary{width:100%;border:none;cursor:pointer;margin-top:6px;}

/* ---------- CTA banner ---------- */
.cta-banner{
  background:radial-gradient(circle at 30% 30%,#123a5e,#0a2540);
  color:#fff;text-align:center;padding:60px 0;
}
.cta-banner h2{font-size:30px;font-weight:800;margin-bottom:14px;}
.cta-banner p{color:#cbd5e1;max-width:560px;margin:0 auto 28px;font-size:16px;}

/* ---------- Footer ---------- */
footer{background:#061a2e;color:#7b93ab;padding:32px 0;font-size:14px;text-align:center;}
footer a{color:var(--orange);}
footer a:hover{text-decoration:underline;}
footer .links{margin-top:8px;}
/* 隐藏入口：页脚这个小圆点通向「庆合宇宙」universe.html。
   该页暂不对外（全站导航无入口 + 页面自带 noindex），仅内部/客户演示使用；
   默认暗到几乎与页脚底色同色，悬停才变橙并弹出提示。 */
footer a.u-door{color:#3a5470;text-decoration:none;margin-left:8px;padding:0 6px;font-size:15px;line-height:1}
footer a.u-door:hover{color:var(--orange);text-decoration:none}

/* ---------- 响应式 ---------- */
@media(max-width:860px){
  .kb-featured{grid-template-columns:1fr 1fr;}
  .grid-3,.grid-2,.centers,.case-grid,.contact-wrap,.service-detail,.quad-grid{grid-template-columns:1fr;}
  .service-detail:nth-child(even){direction:ltr;}
  .process{grid-template-columns:1fr 1fr;}
  .hero h1,.page-hero h1{font-size:32px;}
  .nav-links{display:none;}
}
@media(max-width:520px){
  .process{grid-template-columns:1fr;}
  .hero-stats{gap:24px;}
}

/* ---------- 品牌宇宙页 ---------- */
.universe-belief{
  background:linear-gradient(135deg,#123a5e,#0a2540);color:#fff;text-align:center;padding:84px 0;
}
.universe-belief .eyebrow{color:var(--orange);font-weight:700;letter-spacing:3px;text-transform:uppercase;font-size:13px;}
.universe-belief .quote{font-size:23px;line-height:1.7;max-width:800px;margin:18px auto 34px;font-weight:600;}
.universe-belief .quote b{color:var(--orange);}
.universe-belief .eq{font-size:56px;font-weight:900;letter-spacing:2px;line-height:1.1;}
.universe-belief .eq span{color:var(--orange);}
.universe-belief .eq small{display:block;font-size:15px;font-weight:500;color:#9fb3c8;letter-spacing:0;margin-top:12px;}

.quad-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.quad{
  background:#fff;border:1px solid var(--line);border-radius:16px;padding:30px 30px 24px;
  border-top:4px solid var(--orange);transition:.25s;
}
.quad:hover{transform:translateY(-6px);box-shadow:0 12px 30px rgba(10,37,64,.12);}
.quad .q-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;gap:12px;}
.quad h3{font-size:20px;color:var(--navy);}
.quad .q-num{color:var(--orange);font-weight:800;font-size:15px;margin-right:8px;}
.quad .q-badge{font-size:12px;font-weight:600;padding:4px 11px;border-radius:20px;white-space:nowrap;}
.q-badge.now{background:rgba(16,185,129,.13);color:#0f9d6b;}
.q-badge.soon{background:rgba(255,107,53,.13);color:var(--orange-d);}
.q-badge.vision{background:rgba(10,37,64,.08);color:var(--navy);}
.quad ul{list-style:none;}
.quad li{padding:8px 0 8px 22px;position:relative;color:var(--ink);font-size:14.5px;border-bottom:1px dashed var(--line);}
.quad li:last-child{border-bottom:none;}
.quad li::before{content:"▸";position:absolute;left:0;color:var(--orange);}

.trinity-core{
  width:210px;height:210px;border-radius:50%;margin:0 auto 38px;
  background:radial-gradient(circle at 32% 30%,#ff8a5c,var(--orange-d));
  display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;
  color:#fff;box-shadow:0 14px 44px rgba(255,107,53,.35);
}
.trinity-core .t1{font-size:22px;font-weight:800;letter-spacing:1px;}
.trinity-core .t2{font-size:13px;opacity:.92;margin-top:8px;padding:0 30px;line-height:1.5;}
.wing .sub{color:var(--orange);font-size:13px;font-weight:700;margin-bottom:8px;letter-spacing:.5px;}
.wing h3{color:var(--navy);margin-bottom:6px;}
.wing p{color:var(--muted);font-size:14.5px;}
.timeline-note{text-align:center;color:var(--muted);font-size:15px;margin-top:26px;}
.timeline-note b{color:var(--navy);}

/* ---------- 移动端汉堡菜单 ---------- */
.nav-toggle{
  display:none;background:none;border:none;color:#fff;font-size:24px;line-height:1;
  cursor:pointer;width:42px;height:42px;border-radius:8px;transition:.2s;
}
.nav-toggle:hover,.nav-toggle.active{background:rgba(255,255,255,.12);color:var(--orange);}
.to-top{color:var(--orange);}
.to-top:hover{text-decoration:underline;}
@media(max-width:860px){
  .nav-toggle{display:flex;align-items:center;justify-content:center;}
  .nav-cta{display:none;}
  .nav-links{
    display:none;position:absolute;top:64px;left:0;right:0;
    flex-direction:column;gap:0;background:var(--navy);
    border-top:1px solid rgba(255,255,255,.1);padding:6px 0;
    box-shadow:0 12px 24px rgba(0,0,0,.25);
  }
  .nav-links.open{display:flex;}
  .nav-links a{
    padding:14px 24px;font-size:16px;border-bottom:1px solid rgba(255,255,255,.06);
  }
  .nav-links a:hover,.nav-links a.active{
    background:rgba(255,107,53,.12);color:var(--orange);
  }
}

/* ================= 知识库 / Insights ================= */
.kb-intro{max-width:780px;margin:0 auto 8px;color:var(--muted);font-size:17px;line-height:1.75;}

/* 统计条 */
.kb-stats{display:flex;flex-wrap:wrap;justify-content:center;gap:14px;margin:30px auto 6px;max-width:760px;}
.kb-stats .stat{background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px 26px;text-align:center;min-width:130px;flex:1;}
.kb-stats .num{display:block;font-size:30px;font-weight:800;color:var(--orange);line-height:1.1;}
.kb-stats .lbl{font-size:13px;color:var(--muted);margin-top:4px;}

.kb-cat{margin-top:42px;}
.kb-cat-head{display:flex;align-items:center;gap:14px;margin-bottom:20px;padding:16px 20px;border-radius:14px;
  background:linear-gradient(110deg,#0a2540 0%,#13315a 100%);color:#fff;box-shadow:0 8px 22px rgba(10,37,64,.14);position:relative;}
.kb-cat-head .ic{font-size:24px;width:48px;height:48px;border-radius:12px;background:rgba(255,107,53,.18);
  display:inline-flex;align-items:center;justify-content:center;flex:none;}
.kb-cat-head .txt{display:flex;flex-direction:column;gap:2px;}
.kb-cat-head h3{font-size:21px;color:#fff;margin:0;line-height:1.2;}
.kb-cat-head .en{font-size:12px;color:rgba(255,255,255,.62);letter-spacing:1.5px;text-transform:uppercase;font-weight:600;}
.kb-cat-head .count{margin-left:auto;font-size:13px;color:rgba(255,255,255,.7);background:rgba(255,255,255,.1);
  padding:5px 12px;border-radius:20px;white-space:nowrap;}
.kb-toggle{
  margin-left:10px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.18);color:#fff;
  padding:5px 12px;border-radius:8px;font-size:12px;cursor:pointer;transition:.2s;white-space:nowrap;
}
.kb-toggle:hover{background:rgba(255,107,53,.9);border-color:var(--orange);}

.kb-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;transition:opacity .2s;}

/* 知识库工具栏 */
.kb-toolbar{margin:10px 0 32px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px 24px;box-shadow:0 4px 18px rgba(10,37,64,.07);}
.kb-search{position:relative;margin-bottom:16px;}
.kb-search svg{position:absolute;left:14px;top:50%;transform:translateY(-50%);width:18px;height:18px;color:var(--muted);pointer-events:none;display:block;}
.kb-search input{width:100%;padding:13px 14px 13px 44px;border:1px solid var(--line);border-radius:10px;font-size:15px;outline:none;transition:.2s;background:#fff;}
.kb-search input:focus{border-color:var(--orange);box-shadow:0 0 0 3px rgba(255,107,53,.12);}
.kb-search input::placeholder{color:#94a3b8;}
.kb-filters{display:flex;flex-wrap:wrap;gap:10px;}
.kb-filters button{background:#f1f5f9;border:1px solid transparent;color:#334155;padding:8px 16px;border-radius:20px;font-size:13.5px;cursor:pointer;transition:.2s;font-weight:500;}
.kb-filters button:hover{background:#e2e8f0;color:var(--navy);}
.kb-filters button.active{background:var(--navy);color:#fff;border-color:var(--navy);}
.kb-filters button.active:hover{background:var(--navy);}

/* 知识库顶部工具入口（标准中心 + CCC 查询）——醒目横幅式 */
.kb-tools-header{display:flex;align-items:center;gap:14px;margin-bottom:16px;padding:0 4px;}
.kb-tools-title{font-size:18px;font-weight:800;color:var(--navy);}
.kb-tools-sub{font-size:13px;color:var(--muted);font-weight:500;}
.kb-tools{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin:0 0 36px;}
.tool-card{display:flex;gap:20px;align-items:center;background:linear-gradient(135deg,#fff 0%,#fafbfc 100%);border:2px solid var(--line);border-radius:18px;padding:26px 28px;box-shadow:0 6px 24px rgba(10,37,64,.08);transition:.3s;text-decoration:none;color:inherit;position:relative;overflow:hidden;}
.tool-card::before{content:'';position:absolute;top:0;left:0;width:6px;height:100%;}
.tool-card:nth-child(1){border-color:rgba(255,107,53,.35);background:linear-gradient(135deg,#fffbf7 0%,#fff5ef 100%);}
.tool-card:nth-child(1)::before{background:var(--orange);}
.tool-card:nth-child(2){border-color:rgba(10,37,64,.25);background:linear-gradient(135deg,#f8f9fc 0%,#f0f2f8 100%);}
.tool-card:nth-child(2)::before{background:var(--navy);}
.tool-card:hover{transform:translateY(-4px);box-shadow:0 12px 36px rgba(10,37,.15);border-color:transparent;}
.tool-icon{font-size:42px;line-height:1;flex-shrink:0;width:64px;height:64px;display:flex;align-items:center;justify-content:center;border-radius:16px;}
.tool-card:nth-child(1) .tool-icon{background:linear-gradient(135deg,rgba(255,107,53,.18),rgba(255,107,53,.08));}
.tool-card:nth-child(2) .tool-icon{background:linear-gradient(135deg,rgba(10,37,64,.12),rgba(10,37,64,.06));}
.tool-body{flex:1;min-width:0;}
.tool-meta{font-size:11px;font-weight:800;letter-spacing:1.2px;text-transform:uppercase;margin-bottom:8px;display:block;}
.tool-card:nth-child(1) .tool-meta{color:#c2410c;}
.tool-card:nth-child(2) .tool-meta{color:#334155;}
.tool-body h4{font-size:18px;margin:0 0 10px;color:var(--navy);line-height:1.3;font-weight:800;}
.tool-body p{font-size:13.5px;color:var(--muted);margin:0 0 14px;line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.tool-cta{display:inline-block;font-size:13.5px;font-weight:800;padding:6px 18px;border-radius:8px;transition:.2s;}
.tool-card:nth-child(1) .tool-cta{color:#fff;background:var(--orange);}
.tool-card:nth-child(1):hover .tool-cta{background:#e65c00;}
.tool-card:nth-child(2) .tool-cta{color:#fff;background:var(--navy);}
.tool-card:nth-child(2):hover .tool-cta{background:#1a365d;}

@media(max-width:768px){
  .kb-tools{grid-template-columns:1fr;gap:16px;}
  .tool-card{padding:20px;flex-direction:column;gap:14px;text-align:center;}
  .tool-body{text-align:left;}
}

/* 知识库主侧栏布局 */
.kb-layout{display:grid;grid-template-columns:1fr 260px;gap:34px;align-items:start;}
.kb-main{min-width:0;}
.kb-aside{position:sticky;top:90px;}
.kb-aside-inner{background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px;box-shadow:0 4px 16px rgba(10,37,64,.06);}
.kb-aside-inner h4{font-size:15px;color:var(--navy);margin:0 0 14px;padding-bottom:10px;border-bottom:1px solid var(--line);}
.kb-aside-inner nav{display:flex;flex-direction:column;gap:6px;}
.kb-aside-inner nav a{display:flex;align-items:center;gap:10px;padding:9px 10px;border-radius:8px;color:var(--ink);font-size:13.5px;transition:.18s;}
.kb-aside-inner nav a span{width:22px;text-align:center;}
.kb-aside-inner nav a:hover{background:#f1f5f9;color:var(--orange);}
.kb-aside-inner nav a.active{background:rgba(255,107,53,.1);color:var(--orange-d);font-weight:600;}
.kb-nav-cta{display:block;margin-top:14px;text-align:center;background:var(--navy);color:#fff;padding:10px 14px;border-radius:8px;font-size:13.5px;font-weight:600;transition:.2s;}
.kb-nav-cta:hover{background:var(--orange);}

/* 无结果 */
.kb-empty{text-align:center;padding:48px 20px;background:#fff;border:1px dashed var(--line);border-radius:16px;margin-bottom:30px;}
.kb-empty p{color:var(--muted);font-size:16px;margin-bottom:16px;}

/* 搜索/筛选隐藏态 */
.article-card.is-hidden{display:none !important;}
.kb-cat.is-hidden{display:none !important;}
.kb-grid.is-collapsed{display:none;}
.article-card{display:flex;flex-direction:column;text-decoration:none;background:#fff;border:1px solid var(--line);
  border-radius:16px;padding:24px 26px;transition:.22s;position:relative;overflow:hidden;}
.article-card::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--orange);opacity:0;transition:.22s;}
.article-card:hover{transform:translateY(-5px);box-shadow:0 16px 34px rgba(10,37,64,.16);border-color:rgba(255,107,53,.45);}
.article-card:hover::before{opacity:1;}
.article-card .meta{font-size:12.5px;color:var(--orange);font-weight:700;letter-spacing:.5px;margin-bottom:10px;display:block;}
.article-card h4{color:var(--navy);font-size:19px;margin-bottom:8px;line-height:1.4;}
.article-card p{color:var(--muted);font-size:14px;margin:0;line-height:1.65;flex:1;}
.article-card .more{margin-top:16px;font-size:13px;color:var(--orange);font-weight:600;}
.article-card .more::after{content:" →";transition:.2s;}
.article-card:hover .more::after{margin-left:4px;}
/* 占位卡（筹备中） */
.article-card.is-soon{opacity:1;background:#fbfbfd;border-style:dashed;border-color:#dfe5ec;cursor:default;}
.article-card.is-soon .meta{color:var(--muted);}
.article-card.is-soon .more{color:var(--muted);}
.article-card.is-soon .more::after{content:"";}

/* 文章阅读页 */
.kb-article{max-width:860px;margin:0 auto;color:var(--ink);line-height:1.9;font-size:16px;}
.kb-article .lead{font-size:17.5px;color:#36465a;line-height:1.85;}
.kb-article h2{font-size:24px;color:var(--navy);margin:42px 0 16px;padding-bottom:10px;border-bottom:2px solid var(--line);
  position:relative;}
.kb-article h2::after{content:"";position:absolute;left:0;bottom:-2px;width:54px;height:2px;background:var(--orange);}
.kb-article h3{font-size:19px;color:var(--navy);margin:28px 0 10px;}
.kb-article p{margin:14px 0;}
.kb-article ul,.kb-article ol{margin:14px 0;padding-left:24px;}
.kb-article li{margin:8px 0;}
.kb-article strong{color:var(--navy);font-weight:600;}
.kb-article table{width:100%;border-collapse:separate;border-spacing:0;margin:24px 0;font-size:14.5px;
  background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 4px 18px rgba(10,37,64,.08);}
.kb-article th,.kb-article td{border-bottom:1px solid var(--line);padding:12px 15px;text-align:left;vertical-align:top;}
.kb-article th{background:var(--navy);color:#fff;font-weight:600;border-bottom:none;}
.kb-article th:first-child{border-top-left-radius:12px;}
.kb-article th:last-child{border-top-right-radius:12px;}
.kb-article tr:last-child td{border-bottom:none;}
.kb-article tbody tr:nth-child(even) td{background:#f7fafc;}
.kb-article tbody tr:hover td{background:rgba(255,107,53,.06);}
.kb-article blockquote,.kb-article .callout{border-left:4px solid var(--orange);background:rgba(255,107,53,.09);
  padding:16px 20px;margin:22px 0;border-radius:0 12px 12px 0;color:var(--ink);line-height:1.8;}
.kb-article .callout.warn{border-left-color:#e2574c;background:rgba(226,87,76,.09);}
.kb-article .callout b{color:var(--orange-d);}
.kb-toc{background:linear-gradient(135deg,#f7fafc,#eef3f8);border:1px solid var(--line);border-radius:14px;
  padding:20px 24px;margin:26px 0;}
.kb-toc h4{color:var(--navy);font-size:15px;margin-bottom:12px;display:flex;align-items:center;gap:8px;}
.kb-toc h4::before{content:"📑";font-size:16px;}
.kb-toc ol{margin:0;padding-left:22px;columns:2;column-gap:30px;}
.kb-toc a{color:var(--orange);text-decoration:none;line-height:2;}
.kb-toc a:hover{text-decoration:underline;}
.kb-meta{display:flex;flex-wrap:wrap;gap:18px;color:var(--muted);font-size:13.5px;margin:18px 0 4px;}
.kb-meta span{display:inline-flex;align-items:center;gap:6px;}
.kb-back{display:inline-block;margin-bottom:18px;color:var(--orange);text-decoration:none;font-weight:600;font-size:14px;}
.kb-back::before{content:"← ";}

@media(max-width:980px){
  .kb-layout{grid-template-columns:1fr;}
  .kb-aside{position:static;margin-bottom:24px;}
  .kb-aside-inner nav{flex-direction:row;flex-wrap:wrap;gap:8px;}
  .kb-aside-inner nav a{flex:1 1 auto;min-width:110px;justify-content:center;}
  .kb-nav-cta{display:none;}
}
@media(max-width:860px){
  .kb-grid{grid-template-columns:1fr;}
  .kb-toc ol{columns:1;}
  .kb-stats .stat{min-width:0;flex:1 1 40%;}
  .kb-cat-head .count{display:none;}
  .kb-toggle{display:none;}
  .kb-filters{overflow-x:auto;flex-wrap:nowrap;padding-bottom:4px;}
  .kb-filters button{flex:none;}
}

/* ================= 名字解码（关于页） ================= */
.name-row{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin:30px 0 12px;}
.name-row .ltr{font-size:32px;font-weight:800;color:var(--navy);width:52px;height:62px;display:flex;
  align-items:center;justify-content:center;border:2px solid var(--line);border-radius:12px;background:#fff;}
.name-row .ltr.hi{color:var(--orange);border-color:var(--orange);background:rgba(255,107,53,.08);}
.name-row .ltr.ex{color:#fff;background:var(--navy);border-color:var(--navy);width:72px;}
.name-sub{text-align:center;color:var(--muted);margin-bottom:32px;font-size:15px;}
.name-sub b{color:var(--navy);}
/* 名字拆解条：All（所有的）＋ i·e·d（三大型式）＋ Ex（防爆）＝ 所有的防爆型式
   —— 与品牌短片里的落版口径一致，把名字首尾两段的含义明确写出来 */
.name-eq{display:flex;justify-content:center;align-items:center;gap:16px;flex-wrap:wrap;
  margin:-4px 0 26px;text-align:center}
.name-eq .eq-cell{display:flex;flex-direction:column;align-items:center;gap:6px}
.name-eq .eq-big{font-size:27px;font-weight:800;color:var(--navy);letter-spacing:.5px;line-height:1}
.name-eq .eq-big.ex{color:var(--orange)}
.name-eq .eq-mid{display:flex;gap:8px;line-height:1}
.name-eq .eq-mid b{font-size:21px;font-weight:800;color:var(--orange)}
.name-eq .eq-cn{font-size:12.5px;color:var(--muted);letter-spacing:.5px}
.name-eq .eq-op{font-size:19px;font-weight:700;color:#c3cfdb}
.name-eq .eq-res{font-size:16px;font-weight:800;color:var(--orange);border-bottom:2px solid var(--orange);padding-bottom:2px}
@media(max-width:600px){
  .name-eq{gap:11px}
  .name-eq .eq-big{font-size:22px}
  .name-eq .eq-mid b{font-size:18px}
  .name-eq .eq-op{font-size:16px}
  .name-eq .eq-res{font-size:14px}
}
.decode-grid{margin-top:6px;}
.decode-card{position:relative;overflow:hidden;}
.decode-card .ltr-mini{display:inline-block;font-size:21px;font-weight:800;color:var(--orange);
  background:rgba(255,107,53,.1);border-radius:10px;padding:6px 14px;margin-bottom:14px;letter-spacing:1px;}
.decode-card .ltr-mini.ex{color:#fff;background:var(--navy);}
.decode-card .badge-row{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:14px;}
.decode-card .badge{font-size:14px;font-weight:700;color:var(--navy);background:#eef3f9;
  border:1px solid var(--line);border-radius:999px;padding:6px 14px;}
.decode-card h4{color:var(--navy);font-size:18px;margin-bottom:8px;}
.decode-card p{color:var(--muted);font-size:14.5px;line-height:1.65;margin:0;text-align:left;}
.decode-card p b{color:var(--navy);font-weight:600;}

/* ================= 标准资源中心 standards.html ================= */
.std-notice{background:rgba(226,87,76,.08);border:1px solid rgba(226,87,76,.25);border-left:4px solid #e2574c;
  border-radius:12px;padding:18px 22px;font-size:14.5px;color:#33415c;line-height:1.8;}
.std-notice strong{color:#c0392b;}

/* 对照目录工具栏 */
.std-toolbar{margin:6px 0 24px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px 24px;box-shadow:0 4px 18px rgba(10,37,64,.07);}
.std-search{position:relative;margin-bottom:16px;}
.std-search svg{position:absolute;left:14px;top:50%;transform:translateY(-50%);width:18px;height:18px;color:var(--muted);pointer-events:none;}
.std-search input{width:100%;padding:13px 14px 13px 44px;border:1px solid var(--line);border-radius:10px;font-size:15px;outline:none;transition:.2s;background:#fff;}
.std-search input:focus{border-color:var(--orange);box-shadow:0 0 0 3px rgba(255,107,53,.12);}
.std-search input::placeholder{color:#94a3b8;}
.std-filters{display:flex;flex-wrap:wrap;gap:10px;}
.std-filters button{background:#f1f5f9;border:1px solid transparent;color:#334155;padding:8px 16px;border-radius:20px;font-size:13.5px;cursor:pointer;transition:.2s;font-weight:500;}
.std-filters button:hover{background:#e2e8f0;color:var(--navy);}
.std-filters button.active{background:var(--navy);color:#fff;border-color:var(--navy);}

/* 对照表 */
.std-table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:16px;background:#fff;box-shadow:0 4px 18px rgba(10,37,64,.07);}
.std-table{width:100%;border-collapse:collapse;font-size:14.5px;min-width:760px;}
.std-table thead th{background:var(--navy);color:#fff;font-weight:600;text-align:left;padding:14px 16px;white-space:nowrap;font-size:13.5px;}
.std-table thead th:first-child{border-top-left-radius:16px;}
.std-table thead th:last-child{border-top-right-radius:16px;}
.std-table tbody td{padding:14px 16px;border-bottom:1px solid var(--line);vertical-align:top;color:#33415c;}
.std-table tbody tr:last-child td{border-bottom:none;}
.std-table tbody tr:hover td{background:rgba(255,107,53,.05);}
.std-table tbody td b{color:var(--navy);}
.std-type{display:inline-block;background:rgba(255,107,53,.12);color:var(--orange-d);font-size:12.5px;font-weight:700;padding:3px 10px;border-radius:6px;white-space:nowrap;}
.std-link{color:var(--orange);font-weight:700;text-decoration:none;margin-right:2px;}
.std-link:hover{text-decoration:underline;}
.std-foot-note{margin-top:16px;font-size:13px;color:var(--muted);line-height:1.8;}
.std-foot-note a{color:var(--orange);}

/* 采标关系标签（MOD 修改采用 / IDT 等同采用 / — 未标注） */
.std-adopt{display:inline-block;font-size:12px;font-weight:800;letter-spacing:.3px;padding:3px 9px;border-radius:6px;white-space:nowrap;}
.std-adopt.mod{background:rgba(255,107,53,.14);color:var(--orange-d);border:1px solid rgba(255,107,53,.3);}
.std-adopt.idt{background:rgba(16,185,129,.14);color:#0f9d6b;border:1px solid rgba(16,185,129,.3);}
.std-adopt.other{background:rgba(100,116,139,.12);color:var(--muted);border:1px solid rgba(100,116,139,.25);}

/* 逐项差异要点（小字、可滚动高度，避免撑爆行高） */
.std-diff{font-size:13px;color:#475569;line-height:1.75;text-align:left;}
.std-diff b{color:var(--navy);}

/* 逐条对照：对应状态标签（同号 / 错位 / GB特有） + 条款号 */
.std-badge{display:inline-block;font-size:12px;font-weight:800;padding:3px 9px;border-radius:6px;white-space:nowrap;}
.std-badge.match{background:rgba(16,185,129,.14);color:#0f9d6b;border:1px solid rgba(16,185,129,.3);}
.std-badge.shift{background:rgba(226,87,76,.14);color:#c0392b;border:1px solid rgba(226,87,76,.3);}
.std-badge.gb{background:rgba(255,107,53,.14);color:var(--orange-d);border:1px solid rgba(255,107,53,.3);}
.std-clause{font-family:var(--font-body);font-variant-numeric:tabular-nums;font-weight:700;color:var(--navy);font-size:13.5px;}
.std-iec{font-family:var(--font-body);font-variant-numeric:tabular-nums;font-weight:700;color:var(--orange-d);font-size:13.5px;}
.std-title{font-size:13.5px;color:#33415c;}

/* 标准中心 → 深读页 引链卡片 */
.std-promo{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
  margin-top:22px;padding:20px 24px;background:linear-gradient(120deg,rgba(10,37,64,.05),rgba(255,107,53,.07));
  border:1px solid rgba(255,107,53,.22);border-radius:14px;}
.std-promo div{font-size:14px;color:#475569;line-height:1.7;flex:1;min-width:260px;}
.std-promo strong{color:var(--navy);}

/* 原创下载卡片 */
.dl-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.dl-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:28px 26px;display:flex;flex-direction:column;transition:.25s;box-shadow:0 1px 3px rgba(0,0,0,.04);}
.dl-card:hover{transform:translateY(-6px);box-shadow:0 16px 34px rgba(10,37,64,.18);border-color:var(--orange);}
.dl-card .ic{width:50px;height:50px;border-radius:12px;background:rgba(255,107,53,.12);color:var(--orange);
  display:flex;align-items:center;justify-content:center;font-size:24px;margin-bottom:14px;}
.dl-type{display:inline-block;align-self:flex-start;background:rgba(10,37,64,.07);color:var(--navy);font-size:12px;font-weight:700;padding:3px 10px;border-radius:6px;margin-bottom:12px;}
.dl-card h3{font-size:18px;color:var(--navy);margin-bottom:10px;}
.dl-card p{color:var(--muted);font-size:14px;margin-bottom:18px;flex:1;line-height:1.7;}
.btn-download{display:inline-block;text-align:center;background:var(--navy);color:#fff;padding:11px 16px;border-radius:10px;font-size:14px;font-weight:600;transition:.2s;text-decoration:none;}
.btn-download:hover{background:var(--orange);}

@media(max-width:980px){.dl-grid{grid-template-columns:1fr 1fr;}}
@media(max-width:560px){.dl-grid{grid-template-columns:1fr;}.std-filters{overflow-x:auto;flex-wrap:nowrap;padding-bottom:4px;}.std-filters button{flex:none;}}

/* ================= 知识库系列卡片 ================= */
.series-card summary{list-style:none;cursor:pointer;display:flex;flex-direction:column;height:100%;}
.series-card summary::-webkit-details-marker{display:none;}
.series-card summary::marker{display:none;}
.series-card summary .series-count{margin-top:auto;font-size:12.5px;color:var(--muted);font-weight:600;}
.series-card summary .series-count::after{content:" 展开 ▼";color:var(--orange);}
.series-card[open] summary .series-count::after{content:" 收起 ▲";}
.series-inner{margin-top:16px;border-top:1px solid var(--line);padding-top:12px;display:flex;flex-direction:column;gap:8px;}
.series-item{display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:10px;text-decoration:none;transition:.18s;}
.series-item:hover{background:#f6f8fb;}
.series-item .series-date{flex:none;font-size:12px;font-weight:700;color:var(--orange);background:rgba(255,107,53,.10);padding:3px 8px;border-radius:6px;}
.series-item .series-date:empty{display:none;}
.series-item .series-title{flex:1;font-size:14px;color:var(--navy);line-height:1.4;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.series-item .more{flex:none;font-size:12px;color:var(--orange);font-weight:600;}
@media(max-width:860px){
  .series-item .series-title{white-space:normal;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;}
  /* ⚠️ .quad-grid 的基础规则声明在本文件靠后的「品牌宇宙页」段落，
     比上面那组「响应式」媒体查询的源码顺序更后，同优先级下会把
     grid-template-columns:1fr 的窄屏折叠永久压掉 → 品牌宇宙页四象限
     在手机上仍是 2 列，卡片最小内容宽撑破轨道，390px 视口溢出 4px。
     故把折叠规则补在这里（文件末尾），确保它在基础规则之后生效。 */
  .quad-grid{grid-template-columns:1fr;}
}