/* 历下控股集团门户模板 v1.1 —— 全站共享样式
   由 index.html 内联样式抽取 + 内页组件扩展而来 */
/* ============================================================
   历下控股集团 — 门户模板升级 v1.0
   设计原则：沿用品牌红 #C8102E（取自 logo），去掉花哨装饰，
   走「大留白 + 精准字阶 + 轻投影卡片」的现代集团站路线。
   ============================================================ */

/* ---------- 1. Design tokens ---------- */
:root{
  /* 品牌色：取自 logo 方形底色，比原站 #e00012 更深、更稳 */
  --brand:      #C8102E;
  --brand-700:  #A00C24;
  --brand-900:  #6E0817;
  --brand-050:  #FCF1F2;

  /* 中性色 */
  --ink:    #14171C;
  --ink-2:  #2B3038;
  --text:   #3D444E;
  --muted:  #6B7480;
  --line:   #E4E7EB;
  --line-2: #EFF1F4;
  --bg:     #FFFFFF;
  --soft:   #F6F7F9;

  --radius:   16px;
  --radius-s: 10px;
  --shadow-sm: 0 1px 2px rgba(16,24,40,.05);
  --shadow-md: 0 2px 4px rgba(16,24,40,.04), 0 12px 32px -12px rgba(16,24,40,.14);
  --shadow-lg: 0 4px 8px rgba(16,24,40,.05), 0 28px 64px -20px rgba(16,24,40,.22);

  --max: 1320px;
  --gut: 24px;

  --font: "PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Noto Sans SC",
          "Microsoft YaHei","微软雅黑",system-ui,-apple-system,sans-serif;
  --ease: cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;overflow-x:hidden;font-family:var(--font);color:var(--text);background:var(--bg);
  font-size:16px;line-height:1.75;letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
::selection{background:var(--brand);color:#fff}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:4px}

.wrap{width:100%;max-width:var(--max);margin:0 auto;padding:0 var(--gut)}

/* ---------- 2. Typography scale ---------- */
.eyebrow{
  font-size:13px;font-weight:600;letter-spacing:.2em;text-transform:uppercase;
  color:var(--brand);margin:0 0 14px;
}
.sec-title{
  font-size:clamp(28px,2.6vw,42px);line-height:1.25;letter-spacing:-.02em;
  font-weight:700;color:var(--ink);margin:0;
}
.sec-sub{color:var(--muted);font-size:16px;margin:14px 0 0;max-width:56ch}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:48px}
.sec-head .more{
  flex:0 0 auto;display:inline-flex;align-items:center;gap:8px;
  font-size:15px;font-weight:600;color:var(--ink);
  padding-bottom:4px;border-bottom:2px solid transparent;transition:.25s var(--ease);
}
.sec-head .more:hover{color:var(--brand);border-color:var(--brand)}
.sec-head .more svg{transition:transform .25s var(--ease)}
.sec-head .more:hover svg{transform:translateX(4px)}

/* ---------- 3. Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  height:52px;padding:0 30px;border-radius:8px;
  font-size:16px;font-weight:600;letter-spacing:.02em;
  transition:.25s var(--ease);border:1px solid transparent;cursor:pointer;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 20px -8px rgba(200,16,46,.6)}
.btn-primary:hover{background:var(--brand-700);transform:translateY(-2px);
  box-shadow:0 14px 28px -10px rgba(200,16,46,.65)}
.btn-ghost{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.4);
  backdrop-filter:blur(6px)}
.btn-ghost:hover{background:rgba(255,255,255,.18);border-color:#fff;transform:translateY(-2px)}

/* ---------- 4. Header ---------- */
/* 顶栏 + 主导航包在一个 fixed 容器里：初始都在，滚动后顶栏上移收起 */
.headwrap{position:fixed;left:0;right:0;top:0;z-index:100}

.topbar{
  height:38px;background:var(--ink);color:rgba(255,255,255,.72);
  font-size:13px;display:flex;align-items:center;overflow:hidden;
  transition:margin-top .34s var(--ease);
}
body.scrolled .topbar{margin-top:-38px}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;gap:24px;width:100%}
.topbar .links{display:flex;gap:22px;align-items:center}
.topbar a{transition:color .2s}
.topbar a:hover{color:#fff}
.topbar .tel{display:inline-flex;align-items:center;gap:7px;color:rgba(255,255,255,.9);font-weight:600}
.topbar .tel span{letter-spacing:.06em}
.topbar .tel em{font-style:normal;color:rgba(255,255,255,.45);font-weight:400}

/* 白玻璃主导航：logo 用原色，可读性最好 */
.site-head{
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(18px) saturate(160%);
  -webkit-backdrop-filter:blur(18px) saturate(160%);
  border-bottom:1px solid var(--line);
  transition:box-shadow .3s var(--ease);
}
body.scrolled .site-head{box-shadow:0 8px 28px -18px rgba(16,24,40,.45)}

.head-inner{display:flex;align-items:center;justify-content:space-between;gap:40px;height:86px;
  transition:height .3s var(--ease)}
body.scrolled .head-inner{height:72px}

.logo{display:flex;align-items:center;flex:0 0 auto}
.logo img{height:46px;width:auto;transition:height .3s var(--ease)}
body.scrolled .logo img{height:40px}

.nav{display:flex;align-items:center;gap:2px;flex:1;justify-content:flex-end}
.nav > li{position:relative;list-style:none}
.nav > li > a{
  display:block;padding:12px 15px;font-size:15.5px;font-weight:600;color:var(--ink-2);
  border-radius:8px;transition:.2s var(--ease);white-space:nowrap;letter-spacing:.01em;
}
.nav > li > a::after{
  content:"";position:absolute;left:15px;right:15px;bottom:5px;height:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;
  transition:transform .3s var(--ease);border-radius:2px;
}
.nav > li:hover > a::after,.nav > li.on > a::after{transform:scaleX(1)}
.nav > li:hover > a{color:var(--brand)}
.nav > li.on > a{color:var(--brand)}

/* mega dropdown */
.has-mega:hover .mega{opacity:1;visibility:visible;transform:translateY(0)}
.mega{
  position:absolute;top:calc(100% + 8px);left:50%;translate:-50% 0;
  min-width:230px;background:#fff;border-radius:12px;padding:10px;
  box-shadow:var(--shadow-lg);border:1px solid var(--line);
  opacity:0;visibility:hidden;transform:translateY(-8px);
  transition:.24s var(--ease);
}
.mega a{
  display:flex;align-items:center;justify-content:space-between;
  padding:11px 14px;border-radius:8px;font-size:15px;color:var(--ink-2);
  transition:.18s;white-space:nowrap;
}
.mega a:hover{background:var(--brand-050);color:var(--brand)}
.mega a::after{content:"→";opacity:0;transform:translateX(-6px);transition:.18s;font-size:13px}
.mega a:hover::after{opacity:1;transform:translateX(0)}

.head-tools{display:flex;align-items:center;gap:6px;flex:0 0 auto;margin-left:8px}
.ico-btn{
  width:44px;height:44px;display:grid;place-items:center;border-radius:10px;
  color:var(--ink-2);transition:.2s var(--ease);border:0;background:transparent;cursor:pointer;
}
.ico-btn:hover{background:var(--soft);color:var(--brand)}

/* mobile menu button */
.burger{display:none}

/* ---------- 5. Hero ---------- */
.hero{
  position:relative;min-height:min(88vh,820px);
  display:flex;align-items:center;overflow:hidden;
  background:linear-gradient(135deg,#1a1f27,#3a1018);
}
.hero-slide{
  position:absolute;inset:0;opacity:0;transition:opacity 1.1s var(--ease);
  background-size:cover;background-position:center 42%;
}
.hero-slide.on{opacity:1}
.hero-slide::after{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(180deg,rgba(8,10,14,.62) 0%,rgba(8,10,14,.18) 34%,rgba(8,10,14,.34) 66%,rgba(8,10,14,.86) 100%),
    linear-gradient(100deg,rgba(110,8,23,.55) 0%,rgba(110,8,23,.10) 46%,transparent 72%);
}
.hero-inner{position:relative;z-index:3;width:100%;padding-top:168px;padding-bottom:118px}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:12px;
  font-size:12.5px;font-weight:700;letter-spacing:.26em;color:rgba(255,255,255,.82);
  text-transform:uppercase;margin:0 0 26px;
}
.hero-eyebrow::before{content:"";width:36px;height:2px;background:var(--brand)}
.hero h1{
  font-size:clamp(38px,5vw,72px);line-height:1.12;letter-spacing:-.025em;
  font-weight:700;color:#fff;margin:0;max-width:17ch;
  text-shadow:0 2px 40px rgba(0,0,0,.35);
}
.hero h1 em{font-style:normal;color:transparent;
  background:linear-gradient(92deg,#fff 12%,#ffb9c2 96%);
  -webkit-background-clip:text;background-clip:text}
.hero p{
  color:rgba(255,255,255,.8);font-size:clamp(15px,1.15vw,18px);line-height:1.85;
  max-width:46ch;margin:26px 0 0;
}
.hero-cta{display:flex;gap:14px;margin-top:40px;flex-wrap:wrap}

.hero-dots{
  position:absolute;left:50%;translate:-50% 0;bottom:150px;z-index:4;
  display:flex;gap:10px;align-items:center;
}
.hero-dots button{
  width:32px;height:3px;border-radius:2px;border:0;cursor:pointer;
  background:rgba(255,255,255,.32);transition:.3s var(--ease);padding:0;
}
.hero-dots button.on{background:#fff;width:56px}

/* quick entries overlapping hero */
.quick{
  position:relative;z-index:20;margin-top:-76px;
}
.quick-grid{
  display:grid;grid-template-columns:repeat(4,1fr);
  background:#fff;border-radius:var(--radius);
  box-shadow:var(--shadow-lg);overflow:hidden;
}
.quick-item{
  padding:32px 30px;display:flex;align-items:center;gap:18px;
  border-right:1px solid var(--line-2);transition:.28s var(--ease);position:relative;
}
.quick-item:last-child{border-right:0}
.quick-item::before{
  content:"";position:absolute;inset:auto 0 0 0;height:3px;background:var(--brand);
  transform:scaleX(0);transform-origin:left;transition:transform .35s var(--ease);
}
.quick-item:hover{background:var(--brand-050)}
.quick-item:hover::before{transform:scaleX(1)}
.quick-ico{
  flex:0 0 auto;width:50px;height:50px;border-radius:12px;display:grid;place-items:center;
  background:var(--brand-050);color:var(--brand);transition:.28s var(--ease);
}
.quick-item:hover .quick-ico{background:var(--brand);color:#fff;transform:rotate(-4deg)}
.quick-item b{display:block;font-size:16.5px;font-weight:700;color:var(--ink);letter-spacing:.01em}
.quick-item small{display:block;font-size:12.5px;color:var(--muted);letter-spacing:.06em;margin-top:3px}

/* ---------- 6. Stats ---------- */
.stats{padding:96px 0 20px}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.stat{padding:0 32px;border-left:1px solid var(--line);position:relative}
.stat:first-child{border-left:0;padding-left:0}
.stat b{
  display:block;font-size:clamp(38px,3.6vw,54px);line-height:1;font-weight:700;
  color:var(--ink);letter-spacing:-.03em;font-variant-numeric:tabular-nums;
}
.stat b i{font-style:normal;font-size:.44em;font-weight:600;color:var(--brand);margin-left:6px;
  letter-spacing:0;vertical-align:baseline}
.stat span{display:block;margin-top:14px;font-size:14.5px;color:var(--muted);letter-spacing:.04em}

/* ---------- 7. About ---------- */
.about{padding:110px 0}
.about-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:80px;align-items:center}
.about-media{position:relative;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-md)}
.about-media img{width:100%;height:520px;object-fit:cover;transition:transform 1s var(--ease)}
.about-media:hover img{transform:scale(1.04)}
.about-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 46%,rgba(10,12,16,.62));
}
.about-cap{
  position:absolute;left:28px;right:28px;bottom:24px;z-index:2;color:#fff;
}
.about-cap b{display:block;font-size:19px;font-weight:700;letter-spacing:.01em}
.about-cap span{font-size:13px;opacity:.78;letter-spacing:.08em}
.about-body h2{margin:0 0 22px}
.about-body p{color:var(--text);font-size:16.5px;line-height:2;margin:0 0 18px}
.about-sign{
  margin-top:34px;padding-top:26px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:20px;
}
.about-sign small{color:var(--muted);font-size:13px;letter-spacing:.06em}

/* ---------- 8. Business ---------- */
.business{padding:20px 0 110px}
.biz-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:20px}
.biz-card{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:34px 26px 30px;overflow:hidden;transition:.32s var(--ease);
}
.biz-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:linear-gradient(90deg,var(--brand),#f2607a);
  transform:scaleX(0);transform-origin:left;transition:transform .4s var(--ease);
}
.biz-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);border-color:transparent}
.biz-card:hover::before{transform:scaleX(1)}
.biz-num{
  font-size:12px;font-weight:700;letter-spacing:.18em;color:var(--brand);
  opacity:.55;margin-bottom:26px;display:block;
}
.biz-card h3{font-size:19px;font-weight:700;color:var(--ink);margin:0 0 12px;letter-spacing:.01em}
.biz-card p{font-size:14px;line-height:1.85;color:var(--muted);margin:0;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.biz-arrow{
  margin-top:26px;width:36px;height:36px;border-radius:50%;display:grid;place-items:center;
  background:var(--soft);color:var(--ink-2);transition:.3s var(--ease);
}
.biz-card:hover .biz-arrow{background:var(--brand);color:#fff;transform:translateX(4px)}

/* ---------- 9. News + Tender ---------- */
.nt{padding:110px 0;background:var(--soft);position:relative;overflow:hidden}
.nt::before{
  content:"";position:absolute;top:-120px;right:-120px;width:420px;height:420px;
  border-radius:50%;background:radial-gradient(circle,rgba(200,16,46,.07),transparent 68%);
}
.nt-grid{display:grid;grid-template-columns:1.32fr 1fr;gap:56px;align-items:start}

.tabs{display:flex;gap:28px;border-bottom:1px solid var(--line);margin-bottom:30px}
.tab{
  position:relative;padding:0 0 16px;background:none;border:0;cursor:pointer;
  font-family:inherit;font-size:17px;font-weight:600;color:var(--muted);
  transition:.22s var(--ease);letter-spacing:.01em;
}
.tab::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;background:var(--brand);
  transform:scaleX(0);transform-origin:left;transition:transform .3s var(--ease);
}
.tab.on{color:var(--ink)}
.tab.on::after{transform:scaleX(1)}
.tab:hover{color:var(--ink)}

/* featured news */
.news-lead{
  display:grid;grid-template-columns:300px 1fr;gap:28px;
  background:#fff;border-radius:var(--radius);overflow:hidden;
  box-shadow:var(--shadow-sm);margin-bottom:8px;
}
.news-lead .ph{position:relative;overflow:hidden;min-height:210px;background:var(--ink)}
.news-lead .ph img{width:100%;height:100%;object-fit:cover;transition:transform .9s var(--ease)}
.news-lead:hover .ph img{transform:scale(1.06)}
.news-lead .bd{padding:28px 30px 26px 0;display:flex;flex-direction:column;justify-content:center}
.news-lead .tag{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:.1em;color:var(--brand);
  background:var(--brand-050);padding:4px 10px;border-radius:4px;margin-bottom:14px;align-self:flex-start;
}
.news-lead h3{font-size:21px;line-height:1.55;font-weight:700;color:var(--ink);margin:0 0 12px}
.news-lead:hover h3{color:var(--brand)}
.news-lead p{font-size:14.5px;color:var(--muted);line-height:1.8;margin:0 0 16px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-lead time{font-size:13px;color:var(--muted);letter-spacing:.06em;
  font-variant-numeric:tabular-nums}

/* news list */
.nlist{list-style:none;margin:0;padding:0}
.nlist li{border-bottom:1px solid var(--line)}
.nlist li:last-child{border-bottom:0}
.nlist a{
  display:flex;align-items:center;gap:20px;padding:19px 0;transition:.22s var(--ease);
}
.nlist a:hover{padding-left:10px}
.nlist .tx{
  flex:1;min-width:0;font-size:16px;color:var(--ink-2);line-height:1.6;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;transition:.22s var(--ease);
}
.nlist a:hover .tx{color:var(--brand)}
.nlist time{
  flex:0 0 auto;font-size:13.5px;color:var(--muted);letter-spacing:.05em;
  font-variant-numeric:tabular-nums;
}
.nlist .dot{
  flex:0 0 auto;width:6px;height:6px;border-radius:50%;background:var(--line);
  transition:.22s var(--ease);
}
.nlist a:hover .dot{background:var(--brand);transform:scale(1.4)}

/* tender panel */
.tender{
  background:#fff;border-radius:var(--radius);box-shadow:var(--shadow-sm);
  padding:30px 30px 14px;position:sticky;top:96px;
}
.tender .tabs{margin-bottom:6px;gap:22px}
.tender .tab{font-size:15.5px}
.tlist{list-style:none;margin:0;padding:0}
.tlist li{border-bottom:1px solid var(--line-2)}
.tlist li:last-child{border-bottom:0}
.tlist a{display:block;padding:17px 0;transition:.22s var(--ease)}
.tlist a:hover{padding-left:8px}
.tlist .tt{
  font-size:15px;line-height:1.62;color:var(--ink-2);margin:0 0 8px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:.22s var(--ease);
}
.tlist a:hover .tt{color:var(--brand)}
.tlist .meta{display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--muted);
  letter-spacing:.05em}
.tlist .meta .badge{
  font-size:11.5px;font-weight:700;letter-spacing:.06em;padding:2px 8px;border-radius:4px;
  background:var(--soft);color:var(--muted);
}
.tlist .meta .badge.hot{background:var(--brand-050);color:var(--brand)}

/* ---------- 10. Subsidiaries ---------- */
.subs{padding:110px 0}
.subs-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.sub-card{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:24px 24px;border:1px solid var(--line);border-radius:var(--radius-s);
  background:#fff;transition:.28s var(--ease);
}
.sub-card:hover{border-color:var(--brand);background:var(--brand-050);transform:translateY(-3px);
  box-shadow:var(--shadow-md)}
.sub-card span{font-size:15.5px;font-weight:600;color:var(--ink);line-height:1.55}
.sub-card i{
  flex:0 0 auto;font-style:normal;font-size:13px;color:var(--muted);
  transition:.28s var(--ease);
}
.sub-card:hover i{color:var(--brand);transform:translateX(4px)}
.sub-card.more{background:var(--ink);border-color:var(--ink);justify-content:center}
.sub-card.more span{color:#fff;font-size:15px;letter-spacing:.06em}
.sub-card.more:hover{background:var(--brand);border-color:var(--brand)}

/* ---------- 11. Party / integrity band ---------- */
.party{
  position:relative;overflow:hidden;padding:100px 0;color:#fff;
  background:
    linear-gradient(115deg,rgba(110,8,23,.96) 0%,rgba(160,12,36,.92) 48%,rgba(60,6,16,.96) 100%),
    url("assets/banner3.jpg") center/cover;
}
.party::before{
  content:"";position:absolute;inset:0;opacity:.16;
  background-image:repeating-linear-gradient(135deg,#fff 0 1px,transparent 1px 14px);
  mask-image:linear-gradient(120deg,transparent 40%,#000 100%);
  -webkit-mask-image:linear-gradient(120deg,transparent 40%,#000 100%);
}
.party .wrap{position:relative;z-index:2}
.party-head{max-width:64ch;margin-bottom:52px}
.party .eyebrow{color:#ffb9c2}
.party h2{color:#fff;margin:0}
.party p{color:rgba(255,255,255,.74);margin:18px 0 0;font-size:16.5px;line-height:1.9}
.party-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.party-card{
  display:flex;align-items:center;gap:20px;padding:28px 26px;border-radius:var(--radius);
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);
  backdrop-filter:blur(10px);transition:.3s var(--ease);
}
.party-card:hover{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.34);
  transform:translateY(-4px)}
.party-ico{
  flex:0 0 auto;width:54px;height:54px;border-radius:14px;display:grid;place-items:center;
  background:rgba(255,255,255,.12);transition:.3s var(--ease);
}
.party-card:hover .party-ico{background:#fff;color:var(--brand)}
.party-card b{display:block;font-size:17px;font-weight:700;letter-spacing:.01em}
.party-card small{display:block;font-size:13px;color:rgba(255,255,255,.6);margin-top:4px;
  letter-spacing:.05em}

/* ---------- 12. Footer ---------- */
.foot{background:#0D1015;color:rgba(255,255,255,.62);padding:80px 0 0;font-size:14.5px}
.foot-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:56px;padding-bottom:56px}
.foot-brand img{
  height:52px;width:auto;margin-bottom:24px;
  background:#fff;padding:9px 14px;border-radius:10px;
}
.foot-brand p{color:rgba(255,255,255,.5);line-height:1.95;margin:0;font-size:14px;max-width:34ch}
.foot-col h4{
  font-size:14px;font-weight:700;color:#fff;margin:0 0 20px;letter-spacing:.12em;
}
.foot-col ul{list-style:none;margin:0;padding:0}
.foot-col li{margin-bottom:12px}
.foot-col a{transition:.2s}
.foot-col a:hover{color:#fff}
.foot-contact b{color:#fff;font-weight:600}
.foot-contact .tel{font-size:26px;font-weight:700;color:#fff;letter-spacing:.02em;
  display:block;margin:6px 0 18px;font-variant-numeric:tabular-nums}
.foot-bot{
  border-top:1px solid rgba(255,255,255,.1);padding:24px 0;
  display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.4);
}
.foot-bot .l{display:flex;gap:22px;flex-wrap:wrap}
.foot-bot a:hover{color:rgba(255,255,255,.75)}

/* ---------- 13. Responsive ---------- */
@media (max-width:1240px){
  :root{--max:1120px}
  .biz-grid{grid-template-columns:repeat(3,1fr)}
  .subs-grid{grid-template-columns:repeat(3,1fr)}
  .about-grid{gap:52px}
  .nt-grid{gap:36px;grid-template-columns:1.2fr 1fr}
}
@media (max-width:1024px){
  .nav{display:none}
  .burger{display:grid}
  .head-inner{height:76px}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:40px 0}
  .stat:nth-child(3){border-left:0;padding-left:0}
  .about-grid{grid-template-columns:1fr;gap:44px}
  .about-media img{height:400px}
  .nt-grid{grid-template-columns:1fr;gap:56px}
  .tender{position:static}
  .party-grid{grid-template-columns:1fr}
  .foot-top{grid-template-columns:1fr 1fr;gap:40px}
  .news-lead{grid-template-columns:1fr}
  .news-lead .ph{min-height:220px}
  .news-lead .bd{padding:0 26px 26px}
}
@media (max-width:900px){
  .quick-grid{grid-template-columns:1fr 1fr}
  .quick-item{padding:24px 20px;gap:14px;border-bottom:1px solid var(--line-2)}
  .quick-item:nth-child(2n){border-right:0}
  .quick-item small{display:none}
  .quick-ico{width:44px;height:44px;border-radius:11px}
  .quick-item b{font-size:15px}
}
@media (max-width:760px){
  :root{--gut:18px}
  .topbar{display:none}
  .head-inner{height:68px}
  .logo img{height:34px}
  .hero{min-height:78vh}
  .hero-inner{padding-top:110px;padding-bottom:110px}
  .hero-dots{bottom:112px}
  .quick{margin-top:-40px}
  .quick-grid{grid-template-columns:1fr 1fr}
  .quick-item{padding:20px 18px;gap:12px;border-bottom:1px solid var(--line-2)}
  .quick-item:nth-child(2n){border-right:0}
  .quick-ico{width:40px;height:40px;border-radius:10px}
  .quick-item b{font-size:14.5px}
  .quick-item small{display:none}
  .stats{padding:64px 0 0}
  .stats-grid{grid-template-columns:1fr 1fr;gap:32px 0}
  .stat{padding:0 18px}
  .stat:first-child,.stat:nth-child(3){padding-left:0}
  .about,.subs,.nt{padding:72px 0}
  .business{padding:0 0 72px}
  .biz-grid{grid-template-columns:1fr}
  .subs-grid{grid-template-columns:1fr}
  .sec-head{flex-direction:column;align-items:flex-start;gap:16px;margin-bottom:32px}
  .party{padding:64px 0}
  .foot-top{grid-template-columns:1fr;gap:34px}
  .foot .wrap{padding-bottom:0}
  .btn{height:48px;padding:0 22px;font-size:15px}
}

/* ============================================================
   14. 内页通用
   ============================================================ */
.page-head{padding:calc(124px + 46px) 0 36px;background:#fff;border-bottom:1px solid var(--line)}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);
  margin:0 0 16px;letter-spacing:.03em;flex-wrap:wrap}
.crumb a{transition:color .2s}
.crumb a:hover{color:var(--brand)}
.crumb i{font-style:normal;opacity:.4}
.page-head h1{font-size:clamp(26px,2.4vw,38px);line-height:1.3;letter-spacing:-.02em;
  margin:0;color:var(--ink)}
.page-head .lead{color:var(--muted);font-size:15px;margin:12px 0 0;max-width:820px}

.sect{padding:54px 0 100px}
.layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:56px;align-items:start}

/* 筛选条 */
.filter{display:flex;gap:10px;flex-wrap:wrap;margin:0 0 26px}
.filter a{font-size:14px;padding:8px 16px;border-radius:8px;border:1px solid var(--line);
  color:var(--muted);transition:.2s var(--ease)}
.filter a:hover{border-color:var(--brand);color:var(--brand)}
.filter a.on{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:600}

/* 图文列表 */
.mlist{list-style:none;margin:0;padding:0}
.mlist li{border-bottom:1px solid var(--line)}
.mlist a{display:grid;grid-template-columns:230px minmax(0,1fr);gap:28px;padding:28px 0;
  transition:.22s var(--ease)}
.mlist a:hover{padding-left:8px}
.mlist .ph{border-radius:10px;overflow:hidden;background:var(--soft);aspect-ratio:16/10}
.mlist .ph img{width:100%;height:100%;object-fit:cover;transition:transform .8s var(--ease)}
.mlist a:hover .ph img{transform:scale(1.06)}
.mlist h3{font-size:18.5px;line-height:1.6;margin:0 0 10px;color:var(--ink);
  transition:.22s var(--ease);letter-spacing:.01em}
.mlist a:hover h3{color:var(--brand)}
.mlist p{font-size:14.5px;color:var(--muted);line-height:1.8;margin:0 0 14px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.mlist .dt{font-size:13px;color:var(--muted);letter-spacing:.05em;
  font-variant-numeric:tabular-nums}

/* 紧凑列表（招标） */
.clist{list-style:none;margin:0;padding:0}
.clist li{border-bottom:1px solid var(--line-2)}
.clist a{display:flex;align-items:center;gap:16px;padding:19px 0;transition:.2s var(--ease)}
.clist a:hover{padding-left:8px}
.clist .badge{flex:0 0 auto;font-size:11.5px;font-weight:700;letter-spacing:.06em;
  padding:3px 9px;border-radius:5px;background:var(--brand-050);color:var(--brand)}
.clist .badge.grey{background:var(--soft);color:var(--muted)}
.clist .tt{flex:1;min-width:0;font-size:15.5px;color:var(--ink-2);overflow:hidden;
  text-overflow:ellipsis;white-space:nowrap;transition:.2s var(--ease)}
.clist a:hover .tt{color:var(--brand)}
.clist time{flex:0 0 auto;font-size:13px;color:var(--muted);
  font-variant-numeric:tabular-nums;letter-spacing:.04em}

/* 侧栏 */
.side{display:grid;gap:20px;position:sticky;top:96px}
.side-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.side-card h3{font-size:16px;margin:0 0 16px;padding-bottom:14px;
  border-bottom:1px solid var(--line);color:var(--ink)}
.side-nav{list-style:none;margin:0;padding:0;display:grid;gap:2px}
.side-nav a{display:flex;justify-content:space-between;align-items:center;gap:10px;
  padding:11px 12px;border-radius:8px;font-size:15px;color:var(--ink-2);transition:.2s var(--ease)}
.side-nav a:hover{background:var(--brand-050);color:var(--brand)}
.side-nav a.on{background:var(--brand);color:#fff;font-weight:600}
.side-nav a::after{content:"›";opacity:.35;font-size:15px}
.side-nav a.on::after{opacity:1}
.side-rank{list-style:none;margin:0;padding:0;display:grid;gap:14px;counter-reset:r}
.side-rank li{counter-increment:r;display:grid;grid-template-columns:20px 1fr;gap:10px}
.side-rank li::before{content:counter(r);font-size:12px;font-weight:700;color:var(--muted);
  line-height:1.6}
.side-rank li:nth-child(-n+3)::before{color:var(--brand)}
.side-rank a{font-size:14.5px;line-height:1.65;color:var(--ink-2);transition:.2s;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.side-rank a:hover{color:var(--brand)}
.side-cta{background:var(--ink);border-color:var(--ink)}
.side-cta h3{color:#fff;border-bottom-color:rgba(255,255,255,.14)}
.side-cta p{color:rgba(255,255,255,.6);font-size:13.5px;line-height:1.8;margin:0 0 16px}
.side-cta .btn{height:44px;padding:0 20px;font-size:14px;width:100%;justify-content:center}

/* 分页 */
.pager{display:flex;gap:8px;justify-content:center;align-items:center;
  margin-top:52px;flex-wrap:wrap}
.pager a,.pager span{min-width:44px;height:44px;padding:0 14px;display:grid;place-items:center;
  border:1px solid var(--line);border-radius:9px;font-size:14.5px;color:var(--ink-2);
  transition:.2s var(--ease);font-variant-numeric:tabular-nums}
.pager a:hover{border-color:var(--brand);color:var(--brand)}
.pager .on{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:600}
.pager .dis{opacity:.35;pointer-events:none}

/* 文章 */
.article{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:52px 56px}
.article h1{font-size:clamp(24px,2.3vw,34px);line-height:1.5;letter-spacing:-.01em;
  margin:0 0 22px;color:var(--ink)}
.article .ameta{display:flex;flex-wrap:wrap;gap:22px;color:var(--muted);font-size:13.5px;
  padding-bottom:26px;border-bottom:1px solid var(--line);margin-bottom:34px;letter-spacing:.03em}
.article .ameta span{display:inline-flex;align-items:center;gap:6px}
.abody{font-size:16.5px;line-height:2.05;color:var(--text)}
.abody p{margin:0 0 22px;text-align:justify;text-justify:inter-ideograph}
.abody h2{font-size:20px;margin:38px 0 16px;color:var(--ink);
  padding-left:13px;border-left:3px solid var(--brand);line-height:1.5}
.abody img{border-radius:12px;margin:26px 0}
.abody blockquote{margin:26px 0;padding:20px 24px;background:var(--soft);
  border-left:3px solid var(--brand);border-radius:0 10px 10px 0;
  color:var(--ink-2);font-size:15.5px}
.abody ul,.abody ol{margin:0 0 22px;padding-left:22px}
.abody li{margin-bottom:8px}

/* 招标结构化信息 */
.nmeta{display:grid;grid-template-columns:auto minmax(0,1fr);margin:0 0 36px;
  border:1px solid var(--line);border-radius:12px;overflow:hidden;font-size:14.5px}
.nmeta dt{padding:13px 20px;background:var(--soft);color:var(--muted);
  border-bottom:1px solid var(--line);white-space:nowrap}
.nmeta dd{padding:13px 20px;margin:0;color:var(--ink-2);border-bottom:1px solid var(--line);
  font-variant-numeric:tabular-nums}
.nmeta dt:nth-last-of-type(1),.nmeta dd:nth-last-of-type(1){border-bottom:0}

/* 附件 */
.attach-title{font-size:15px;font-weight:700;color:var(--ink);margin:0 0 14px;
  display:flex;align-items:center;gap:8px}
.attach{list-style:none;margin:0 0 36px;padding:0;display:grid;gap:10px}
.attach a{display:flex;align-items:center;gap:12px;padding:14px 18px;
  border:1px solid var(--line);border-radius:10px;font-size:14.5px;color:var(--ink-2);
  transition:.22s var(--ease)}
.attach a:hover{border-color:var(--brand);background:var(--brand-050);color:var(--brand)}
.attach .sz{margin-left:auto;font-size:12.5px;color:var(--muted);flex:0 0 auto}
.attach svg{flex:0 0 auto;opacity:.55}

/* 上下篇 */
.anav{display:flex;justify-content:space-between;gap:32px;margin-top:40px;
  padding-top:28px;border-top:1px solid var(--line);font-size:14.5px}
.anav a{color:var(--ink-2);transition:.2s;max-width:47%}
.anav a:hover{color:var(--brand)}
.anav a span{display:block;font-size:12.5px;color:var(--muted);margin-bottom:5px;
  letter-spacing:.05em}
.anav .nx{text-align:right;margin-left:auto}

/* 相关推荐 */
.related{margin-top:48px}
.related h3{font-size:17px;margin:0 0 20px;color:var(--ink)}
.rgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.rcard{background:#fff;border:1px solid var(--line);border-radius:12px;padding:22px;
  transition:.25s var(--ease)}
.rcard:hover{border-color:var(--brand);transform:translateY(-3px);box-shadow:var(--shadow-md)}
.rcard b{display:block;font-size:15px;line-height:1.65;color:var(--ink);margin-bottom:12px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rcard:hover b{color:var(--brand)}
.rcard time{font-size:12.5px;color:var(--muted)}

/* 单页正文 */
.prose{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:56px 64px}
.prose h2{font-size:21px;margin:46px 0 16px;color:var(--ink);padding-left:14px;
  border-left:3px solid var(--brand);line-height:1.5}
.prose h2:first-child{margin-top:0}
.prose p{font-size:16.5px;line-height:2.1;margin:0 0 20px;color:var(--text);
  text-align:justify;text-justify:inter-ideograph}
.prose figure{margin:30px 0}
.prose figure img{border-radius:12px;width:100%}
.prose figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:11px}
.prose .stat-row{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin:34px 0 38px}
.prose .stat-row div{background:var(--soft);border-radius:12px;padding:24px 20px}
.prose .stat-row b{display:block;font-size:30px;font-weight:700;color:var(--brand);
  line-height:1;letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.prose .stat-row span{display:block;font-size:13px;color:var(--muted);margin-top:10px}

/* 404 */
.err{padding:calc(124px + 90px) 0 120px;text-align:center}
.err .code{font-size:clamp(96px,15vw,160px);font-weight:700;line-height:1;
  letter-spacing:-.05em;color:transparent;
  background:linear-gradient(118deg,var(--brand) 8%,#f2607a 92%);
  -webkit-background-clip:text;background-clip:text}
.err h1{font-size:clamp(20px,2vw,26px);margin:26px 0 12px;color:var(--ink)}
.err p{color:var(--muted);margin:0 auto 34px;font-size:15px;max-width:44ch}
.err .btn{margin:0 6px}

/* 内页响应式 */
@media (max-width:1240px){
  .layout{gap:40px;grid-template-columns:minmax(0,1fr) 296px}
}
@media (max-width:1024px){
  .page-head{padding:calc(114px + 40px) 0 32px}
  .layout{grid-template-columns:1fr;gap:44px}
  .side{position:static}
  .article,.prose{padding:34px 26px}
  .rgrid{grid-template-columns:1fr 1fr}
  .mlist a{grid-template-columns:1fr;gap:16px}
  .mlist .ph{aspect-ratio:16/9}
  .prose .stat-row{grid-template-columns:1fr 1fr}
}
@media (max-width:760px){
  .page-head{padding:calc(68px + 30px) 0 26px}
  .sect{padding:34px 0 70px}
  .clist a{align-items:flex-start;flex-wrap:wrap;gap:8px 12px}
  .clist .tt{white-space:normal;display:-webkit-box;-webkit-line-clamp:2;
    -webkit-box-orient:vertical;flex:1 1 100%}
  .clist time{margin-left:auto}
  .nmeta{grid-template-columns:1fr}
  .nmeta dt{border-bottom:0;padding-bottom:3px}
  .nmeta dd{padding-top:0}
  .rgrid{grid-template-columns:1fr}
  .article,.prose{padding:26px 20px}
  .anav{flex-direction:column;gap:16px}
  .anav a{max-width:100%}
  .anav .nx{text-align:left;margin-left:0}
  .article h1{font-size:21px}
  .abody{font-size:16px}
  .err{padding:calc(68px + 60px) 0 90px}
  .err .btn{margin-bottom:12px}
}


/* ============================================================
   15. 搜索结果页
   ============================================================ */
.searchbar{display:flex;gap:12px;max-width:780px;margin:0}
.searchbar input{
  flex:1;min-width:0;height:56px;padding:0 22px;border:1px solid var(--line);border-radius:10px;
  font-size:16px;font-family:inherit;color:var(--ink);background:#fff;outline:none;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.searchbar input::placeholder{color:#A6AEBA}
.searchbar input:focus{border-color:var(--brand);box-shadow:0 0 0 4px rgba(200,16,46,.08)}
.searchbar button{
  flex:0 0 auto;height:56px;padding:0 32px;border:0;border-radius:10px;background:var(--brand);
  color:#fff;font-size:16px;font-weight:600;font-family:inherit;cursor:pointer;
  transition:.2s var(--ease);
}
.searchbar button:hover{background:var(--brand-700);transform:translateY(-1px)}

.hot-kw{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin:18px 0 0;font-size:13.5px}
.hot-kw .lb{color:var(--muted);letter-spacing:.04em}
.hot-kw a{color:var(--ink-2);padding:4px 12px;border-radius:99px;background:var(--soft);
  transition:.2s var(--ease)}
.hot-kw a:hover{background:var(--brand-050);color:var(--brand)}

.s-meta{display:flex;flex-wrap:wrap;align-items:center;gap:14px 20px;color:var(--muted);
  font-size:14px;margin:0 0 22px}
.s-meta b{color:var(--brand);font-weight:700;font-variant-numeric:tabular-nums}
.s-sort{margin-left:auto;display:flex;gap:16px;font-size:13.5px}
.s-sort a{color:var(--muted);transition:.2s}
.s-sort a:hover{color:var(--brand)}
.s-sort a.on{color:var(--brand);font-weight:600}

.slist{list-style:none;margin:0;padding:0}
.slist li{border-bottom:1px solid var(--line);padding:26px 0}
.slist li:first-child{padding-top:6px}
.slist .st{font-size:18px;line-height:1.6;margin:0 0 9px;letter-spacing:.01em}
.slist .st a{color:var(--ink);transition:.2s var(--ease)}
.slist .st a:hover{color:var(--brand)}
.slist .sn{font-size:14.5px;line-height:1.85;color:var(--muted);margin:0 0 11px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.slist .sm{display:flex;flex-wrap:wrap;gap:14px;align-items:center;font-size:12.5px;
  color:var(--muted)}
.slist .sm .cat{background:var(--brand-050);color:var(--brand);padding:2px 9px;border-radius:4px;
  font-weight:600;letter-spacing:.04em}
mark{background:transparent;color:var(--brand);font-weight:700}

.s-empty{text-align:center;padding:72px 24px;border:1px dashed var(--line);border-radius:var(--radius)}
.s-empty b{display:block;font-size:17px;color:var(--ink);margin-bottom:10px}
.s-empty p{color:var(--muted);font-size:14.5px;margin:0 0 24px}
.s-empty .hot-kw{justify-content:center;margin-top:0}

@media (max-width:760px){
  .searchbar{flex-direction:column;gap:10px}
  .searchbar button{width:100%}
  .s-sort{margin-left:0}
  .slist .st{font-size:16.5px}
}