/* ============ 山东省产学研综合服务平台 共享样式 ============ */
:root{
  --brand:#15428b;
  --brand-2:#1a6fb5;
  --brand-3:#0f9bb3;
  --accent:#c8a45c;
  --ink:#1a2733;
  --ink-2:#44566b;
  --muted:#7a8aa0;
  --line:#e6ecf3;
  --bg:#f4f7fb;
  --card:#ffffff;
  --shadow:0 6px 24px rgba(21,66,139,.08);
  --shadow-lg:0 16px 48px rgba(21,66,139,.14);
  --radius:16px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  color:var(--ink);background:var(--bg);line-height:1.65;-webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{max-width:100%}
.wrap{width:min(1240px,92vw);margin:0 auto}
.btn{display:inline-flex;align-items:center;gap:8px;padding:11px 22px;border-radius:999px;font-weight:600;font-size:15px;cursor:pointer;border:1px solid transparent;transition:.2s}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:#0e3470;transform:translateY(-1px)}
.btn-ghost{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.5)}
.btn-ghost:hover{background:rgba(255,255,255,.24)}
.btn-outline{background:#fff;color:var(--brand);border-color:var(--brand)}
.btn-outline:hover{background:var(--brand);color:#fff}
.btn-sm{padding:8px 16px;font-size:13.5px}

/* ===== Header ===== */
header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;gap:24px;height:68px}
.logo{display:flex;align-items:center;gap:12px;font-weight:800;color:var(--brand);font-size:18px;white-space:nowrap}
.logo .mark{width:38px;height:38px;border-radius:10px;background:linear-gradient(135deg,var(--brand),var(--brand-3));display:grid;place-items:center;color:#fff;font-weight:800;font-size:17px;box-shadow:var(--shadow);flex:none}
.logo small{display:block;font-size:11px;color:var(--muted);font-weight:500;letter-spacing:.5px}
.menu{display:flex;gap:4px;margin-left:auto}
.menu a{padding:9px 13px;border-radius:8px;font-size:15px;color:var(--ink-2);font-weight:500;white-space:nowrap}
.menu a:hover,.menu a.active{color:var(--brand);background:#eef3fa}
.nav-actions{display:flex;gap:10px;align-items:center}
.nav-actions .login{color:var(--brand);font-weight:600;padding:8px 14px}
.burger{display:none;flex-direction:column;gap:5px;cursor:pointer;margin-left:auto}
.burger span{width:24px;height:2px;background:var(--brand);border-radius:2px}

/* ===== Hero (首页) ===== */
.hero{position:relative;overflow:hidden;color:#fff;padding:64px 0 0;background:
    radial-gradient(1200px 500px at 80% -10%,rgba(15,155,179,.55),transparent 60%),
    linear-gradient(135deg,#0f2f63 0%,#15428b 55%,#1a6fb5 100%);}
.hero::after{content:"";position:absolute;inset:0;background:
    radial-gradient(circle at 12% 30%,rgba(200,164,92,.18),transparent 40%),
    repeating-linear-gradient(115deg,rgba(255,255,255,.04) 0 2px,transparent 2px 22px);pointer-events:none}
.hero .wrap{position:relative;z-index:2}
.hero h1{font-size:42px;line-height:1.2;font-weight:800;letter-spacing:1px}
.hero h1 .hl{color:var(--accent)}
.hero p.sub{margin-top:14px;font-size:18px;color:#dce8f7;max-width:760px}
.hero .chains{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.hero .chains span{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.25);padding:6px 14px;border-radius:999px;font-size:13px}
.search{margin-top:28px;display:flex;max-width:680px;background:#fff;border-radius:999px;padding:6px;box-shadow:var(--shadow-lg)}
.search input{flex:1;border:0;outline:0;padding:0 18px;font-size:15px;color:var(--ink);background:transparent}
.search select{border:0;border-right:1px solid var(--line);outline:0;padding:0 14px;color:var(--ink-2);background:transparent;font-size:14px}
.search button{border:0;background:var(--brand);color:#fff;padding:0 26px;border-radius:999px;font-weight:700;cursor:pointer;font-size:15px}
.hero-quick{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}
.hero-quick a{font-size:13px;color:#eaf2fb;background:rgba(255,255,255,.1);padding:6px 13px;border-radius:999px;border:1px solid rgba(255,255,255,.2)}
.hero-quick a:hover{background:rgba(255,255,255,.22)}

.stats{position:relative;z-index:2;margin-top:46px;background:rgba(255,255,255,.1);border-top:1px solid rgba(255,255,255,.18);backdrop-filter:blur(6px)}
.stats .wrap{display:grid;grid-template-columns:repeat(5,1fr);gap:0;padding:26px 0}
.stat{text-align:center;border-right:1px solid rgba(255,255,255,.16)}
.stat:last-child{border-right:0}
.stat .num{font-size:34px;font-weight:800;color:#fff;line-height:1}
.stat .num b{color:var(--accent)}
.stat .lbl{margin-top:8px;font-size:14px;color:#cfe0f2}

/* ===== Section ===== */
section{padding:64px 0}
.sec-head{text-align:center;max-width:760px;margin:0 auto 40px}
.sec-head .tag{display:inline-block;color:var(--brand);font-weight:700;font-size:13px;letter-spacing:2px;text-transform:uppercase;background:#eaf1fb;padding:5px 14px;border-radius:999px}
.sec-head h2{font-size:30px;font-weight:800;margin-top:14px;color:var(--ink)}
.sec-head p{margin-top:10px;color:var(--ink-2);font-size:16px}

/* value props */
.values{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.value{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px 22px;box-shadow:var(--shadow);transition:.2s}
.value:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:#cfe0f2}
.value .ic{width:52px;height:52px;border-radius:14px;display:grid;place-items:center;background:linear-gradient(135deg,#eaf1fb,#e3f4f7);color:var(--brand);margin-bottom:16px}
.value h3{font-size:18px;color:var(--ink)}
.value p{margin-top:8px;color:var(--ink-2);font-size:14px}

/* modules */
.modules{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.mod{position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);overflow:hidden;transition:.2s}
.mod:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.mod::before{content:"";position:absolute;left:0;top:0;height:4px;width:100%;background:linear-gradient(90deg,var(--brand),var(--brand-3))}
.mod .ic{width:46px;height:46px;border-radius:12px;display:grid;place-items:center;background:#eef4fb;color:var(--brand-2);margin-bottom:14px}
.mod h3{font-size:17px;color:var(--ink)}
.mod p{margin-top:6px;color:var(--ink-2);font-size:13.5px}
.mod ul{margin-top:12px;list-style:none;display:flex;flex-wrap:wrap;gap:6px}
.mod ul li{font-size:12px;background:#f1f5fa;color:var(--ink-2);padding:4px 10px;border-radius:999px}
.mod .more{margin-top:14px;font-size:13px;color:var(--brand);font-weight:600}

/* industry clusters */
.industry{background:linear-gradient(135deg,#0f2f63,#15428b);color:#fff;border-radius:24px;padding:48px 40px;position:relative;overflow:hidden}
.industry::before{content:"";position:absolute;right:-60px;top:-60px;width:240px;height:240px;border-radius:50%;background:radial-gradient(circle,rgba(200,164,92,.3),transparent 70%)}
.industry .sec-head{margin-bottom:30px}
.industry .sec-head h2{color:#fff}
.industry .sec-head .tag{background:rgba(255,255,255,.14);color:#eaf2fb}
.industry .sec-head p{color:#cfe0f2}
.chips{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;position:relative;z-index:2}
/* chip 默认：浅色底可用 */
.chip{background:#f7fafc;border:1px solid #e2e8f0;border-radius:14px;padding:18px 12px;text-align:center;transition:.2s;cursor:pointer}
.chip:hover{background:#edf2f7;border-color:#c4d0dc;transform:translateY(-3px);box-shadow:0 6px 20px rgba(15,47,99,.08)}
.chip .n{font-size:22px;font-weight:800;color:var(--accent)}
.chip .t{margin-top:6px;font-size:13px;color:#334155;font-weight:500;line-height:1.4}
/* 深色底覆盖（index.html industry 区块） */
.industry .chip{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2)}
.industry .chip:hover{background:rgba(255,255,255,.2);box-shadow:none}
.industry .chip .t{color:#eaf2fb}

/* resource db */
.dbs{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
.db{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:20px 16px;text-align:center;box-shadow:var(--shadow);transition:.2s}
.db:hover{transform:translateY(-3px);border-color:var(--brand-2);box-shadow:var(--shadow-lg)}
.db .ic{width:42px;height:42px;border-radius:11px;margin:0 auto 12px;display:grid;place-items:center;background:#eef4fb;color:var(--brand-2)}
.db h4{font-size:15px;color:var(--ink)}
.db span{font-size:12px;color:var(--muted)}

/* news + policy */
.news-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:28px}
.panel{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}
.panel-h{display:flex;align-items:center;gap:10px;padding:18px 22px;border-bottom:1px solid var(--line)}
.panel-h h3{font-size:18px;color:var(--ink)}
.tabs{display:flex;gap:4px;margin-left:auto}
.tabs button{border:0;background:transparent;color:var(--muted);font-size:14px;padding:6px 12px;border-radius:8px;cursor:pointer;font-weight:600}
.tabs button.on{background:#eaf1fb;color:var(--brand)}
.news-list,.policy-list{padding:8px 22px 14px}
.news-item{display:flex;align-items:center;gap:14px;padding:13px 0;border-bottom:1px dashed var(--line)}
.news-item:last-child{border-bottom:0}
.news-item .dot{width:7px;height:7px;border-radius:50%;background:var(--accent);flex:none}
.news-item a{flex:1;color:var(--ink);font-size:14.5px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.news-item a:hover{color:var(--brand)}
.news-item .d{color:var(--muted);font-size:13px;flex:none}
.policy{padding:14px 0;border-bottom:1px dashed var(--line)}
.policy:last-child{border-bottom:0}
.policy .pt{display:flex;align-items:center;gap:8px}
.policy .badge{font-size:11px;background:#e8f6ec;color:#1f9d55;padding:2px 8px;border-radius:6px;font-weight:700;flex:none}
.policy a{font-size:14.5px;color:var(--ink)}
.policy a:hover{color:var(--brand)}
.policy .meta{margin-top:5px;color:var(--muted);font-size:12.5px}

/* cases */
.cases{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.case{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:.2s}
.case:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.case .top{height:118px;background:linear-gradient(135deg,var(--brand),var(--brand-3));position:relative;padding:18px;color:#fff}
.case .top .tg{font-size:12px;background:rgba(255,255,255,.18);padding:3px 10px;border-radius:999px;display:inline-block}
.case .top h4{margin-top:10px;font-size:17px;font-weight:700;line-height:1.3}
.case .body{padding:18px}
.case .body p{font-size:13.5px;color:var(--ink-2)}
.case .body .row{margin-top:12px;display:flex;gap:16px;font-size:12.5px;color:var(--muted)}
.case .body .row b{color:var(--brand);font-size:15px;display:block}

/* cta */
.cta{background:linear-gradient(135deg,#15428b,#0f9bb3);color:#fff;border-radius:24px;padding:46px 44px;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:24px;position:relative;overflow:hidden}
.cta::after{content:"";position:absolute;left:-40px;bottom:-60px;width:200px;height:200px;border-radius:50%;background:radial-gradient(circle,rgba(200,164,92,.25),transparent 70%)}
.cta h3{font-size:26px;font-weight:800;position:relative;z-index:2}
.cta p{margin-top:8px;color:#dceaf6;position:relative;z-index:2}
.cta .acts{display:flex;gap:12px;position:relative;z-index:2}

/* footer */
footer{background:#0e2147;color:#aebfd6;padding:50px 0 26px;margin-top:10px}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:30px}
footer .logo{color:#fff;margin-bottom:14px}
footer .logo small{color:#7e93b6}
.foot-about{font-size:13.5px;color:#92a6c6;line-height:1.8}
footer h5{color:#fff;font-size:15px;margin-bottom:14px}
footer ul{list-style:none}
footer ul li{margin-bottom:9px;font-size:13.5px}
footer ul li a:hover{color:#fff}
.foot-bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:34px;padding-top:18px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:12.5px;color:#7e93b6}

/* ============ 内页通用组件 ============ */
.page-hero{position:relative;color:#fff;padding:54px 0 40px;background:
    radial-gradient(900px 400px at 85% -20%,rgba(15,155,179,.5),transparent 60%),
    linear-gradient(135deg,#0f2f63,#15428b 60%,#1a6fb5);overflow:hidden}
.page-hero::after{content:"";position:absolute;inset:0;background:repeating-linear-gradient(115deg,rgba(255,255,255,.04) 0 2px,transparent 2px 22px);pointer-events:none}
.page-hero .wrap{position:relative;z-index:2}
.breadcrumb{font-size:13px;color:#bcd0ea;margin-bottom:14px}
.breadcrumb a:hover{color:#fff}
.breadcrumb span{margin:0 7px;opacity:.6}
.page-hero h1{font-size:34px;font-weight:800}
.page-hero p{margin-top:12px;font-size:16px;color:#d6e6f6;max-width:780px}

.layout{display:grid;grid-template-columns:260px 1fr;gap:34px;align-items:start}
.sidebar{position:sticky;top:88px;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:14px;box-shadow:var(--shadow)}
.sidebar h5{font-size:13px;color:var(--muted);padding:8px 12px;letter-spacing:1px}
.sidebar a{display:block;padding:10px 12px;border-radius:9px;color:var(--ink-2);font-size:14.5px;font-weight:500}
.sidebar a:hover{background:#eef3fa;color:var(--brand)}
.sidebar a.active{background:var(--brand);color:#fff}

.content h2.block{font-size:22px;color:var(--ink);margin:38px 0 18px;padding-left:13px;border-left:4px solid var(--brand)}
.content h2.block:first-child{margin-top:0}
.content p.lead{color:var(--ink-2);font-size:15.5px;margin-bottom:8px}
.feature-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-top:8px}
.feature{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:20px;box-shadow:var(--shadow);transition:.2s}
.feature:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:#cfe0f2}
.feature .ic{width:42px;height:42px;border-radius:11px;display:grid;place-items:center;background:#eef4fb;color:var(--brand-2);margin-bottom:12px}
.feature h4{font-size:16px;color:var(--ink)}
.feature p{margin-top:6px;font-size:13.5px;color:var(--ink-2)}

/* 工具条 / 筛选 */
.toolbar{display:flex;flex-wrap:wrap;gap:12px;align-items:center;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px 18px;box-shadow:var(--shadow);margin-bottom:22px}
.toolbar input,.toolbar select{border:1px solid var(--line);border-radius:9px;padding:9px 13px;font-size:14px;color:var(--ink-2);outline:none;background:#fff}
.toolbar input{flex:1;min-width:200px}
.toolbar .spacer{margin-left:auto}

/* 表格 */
.tbl{width:100%;border-collapse:collapse;background:var(--card);border:1px solid var(--line);border-radius:14px;overflow:hidden;box-shadow:var(--shadow);font-size:14px}
.tbl thead th{background:#eef4fb;color:var(--brand);text-align:left;padding:13px 16px;font-weight:700;font-size:13.5px}
.tbl tbody td{padding:13px 16px;border-top:1px solid var(--line);color:var(--ink-2)}
.tbl tbody tr:hover{background:#f8fbff}
.tbl .tag{display:inline-block;font-size:12px;background:#eaf1fb;color:var(--brand);padding:3px 10px;border-radius:999px}
.tbl .tag.green{background:#e8f6ec;color:#1f9d55}
.tbl .tag.gold{background:#fbf3e2;color:#a9802f}

/* 卡片网格（资源库/案例） */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.mini{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:20px;box-shadow:var(--shadow);transition:.2s}
.mini:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:var(--brand-2)}
.mini .ic{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;background:#eef4fb;color:var(--brand-2);margin-bottom:12px}
.mini h4{font-size:16px;color:var(--ink)}
.mini p{margin-top:6px;font-size:13px;color:var(--ink-2)}
.mini .meta{margin-top:10px;font-size:12.5px;color:var(--muted)}

/* 发布表单 */
.form-card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:28px;box-shadow:var(--shadow);max-width:760px}
.form-row{display:grid;grid-template-columns:120px 1fr;gap:14px;align-items:center;margin-bottom:18px}
.form-row label{font-size:14.5px;color:var(--ink-2);font-weight:600;text-align:right}
.form-row input,.form-row select,.form-row textarea{border:1px solid var(--line);border-radius:9px;padding:10px 13px;font-size:14.5px;color:var(--ink);outline:none;width:100%;font-family:inherit}
.form-row textarea{min-height:96px;resize:vertical}
.form-row .hint{font-size:12px;color:var(--muted);font-weight:400}
.form-row.single{grid-template-columns:1fr}
.form-row.single label{display:none}
.publish-card{max-width:800px;transition:box-shadow .3s}
.pub-job-card{max-width:840px}
.form-row input:focus,.form-row select:focus,.form-row textarea:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(30,80,156,.1)}

/* 分页 */
.pager{display:flex;justify-content:center;gap:8px;margin-top:26px}
.pager a{width:38px;height:38px;display:grid;place-items:center;border-radius:9px;border:1px solid var(--line);background:#fff;color:var(--ink-2);font-size:14px}
.pager a.on,.pager a:hover{background:var(--brand);color:#fff;border-color:var(--brand)}

/* 数据指标条 */
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin:6px 0 8px}
.metric{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:20px;text-align:center;box-shadow:var(--shadow)}
.metric .n{font-size:28px;font-weight:800;color:var(--brand)}
.metric .l{margin-top:6px;font-size:13.5px;color:var(--muted)}

/* 时间线 */
.timeline{position:relative;padding-left:26px}
.timeline::before{content:"";position:absolute;left:7px;top:6px;bottom:6px;width:2px;background:var(--line)}
.tl-item{position:relative;padding:0 0 22px 0}
.tl-item::before{content:"";position:absolute;left:-23px;top:5px;width:14px;height:14px;border-radius:50%;background:var(--brand);border:3px solid #fff;box-shadow:0 0 0 2px var(--brand)}
.tl-item .d{font-size:12.5px;color:var(--muted)}
.tl-item h4{font-size:15.5px;color:var(--ink);margin:3px 0}
.tl-item p{font-size:13.5px;color:var(--ink-2)}

/* 响应式 */
@media(max-width:980px){
  .values,.modules{grid-template-columns:repeat(2,1fr)}
  .dbs{grid-template-columns:repeat(3,1fr)}
  .chips{grid-template-columns:repeat(3,1fr)}
  .news-grid{grid-template-columns:1fr}
  .cases,.card-grid{grid-template-columns:1fr 1fr}
  .stats .wrap{grid-template-columns:repeat(2,1fr);gap:20px 0}
  .stat{border-right:0}
  .layout{grid-template-columns:1fr}
  .sidebar{position:static}
  .feature-grid,.metrics{grid-template-columns:1fr 1fr}
  .menu{display:none}
  .burger{display:flex}
  .form-row{grid-template-columns:1fr}
  .form-row label{text-align:left}
}
@media(max-width:560px){
  .hero h1{font-size:30px}
  .values,.modules,.dbs,.chips,.cases,.card-grid,.feature-grid,.metrics{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .page-hero h1{font-size:26px}
}