/* 扬州精诚车匠量子膜 · 共享样式（深蓝+金色科技美学） */
:root{
  --navy:#1a3a5c;
  --navy-deep:#0f2742;
  --gold:#c9a96e;
  --gold-light:#e3c98c;
  --cream:#f8f6f3;
  --ink:#23303d;
  --muted:#6b7785;
  --line:#e6e0d6;
  --shadow:0 8px 30px rgba(26,58,92,.10);
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:-apple-system,"PingFang SC","Microsoft YaHei",Helvetica,Arial,sans-serif;color:var(--ink);background:var(--cream);line-height:1.7;-webkit-font-smoothing:antialiased}
a{color:var(--navy);text-decoration:none}
img{max-width:100%}
.container{max-width:1080px;margin:0 auto;padding:0 20px}

/* 顶部导航 */
.site-nav{background:linear-gradient(120deg,var(--navy-deep),var(--navy));position:sticky;top:0;z-index:50;box-shadow:0 2px 16px rgba(0,0,0,.18)}
.site-nav .nav-inner{max-width:1080px;margin:0 auto;padding:0 20px;height:60px;display:flex;align-items:center;justify-content:space-between}
.site-nav .brand{color:#fff;font-weight:700;font-size:17px;letter-spacing:.5px}
.site-nav .brand b{color:var(--gold-light)}
.site-nav .nav-links{display:flex;gap:6px;flex-wrap:wrap}
.site-nav .nav-links a{color:#dfe7f0;font-size:14px;padding:7px 12px;border-radius:8px;transition:.2s}
.site-nav .nav-links a:hover{background:rgba(255,255,255,.12);color:#fff}
.site-nav .nav-links a.active{background:var(--gold);color:var(--navy-deep);font-weight:600}

/* 面包屑 */
.breadcrumb{font-size:13px;color:var(--muted);padding:16px 0 0}
.breadcrumb a{color:var(--muted)}
.breadcrumb span{margin:0 6px;color:#cbbfa9}

/* 页头 */
.page-hero{background:linear-gradient(120deg,var(--navy),#27567f);color:#fff;padding:54px 0 46px}
.page-hero h1{font-size:30px;font-weight:800;letter-spacing:.5px}
.page-hero p{margin-top:12px;color:#d7e2ee;max-width:760px;font-size:15px}
.page-hero .tag{display:inline-block;background:rgba(201,169,110,.22);color:var(--gold-light);border:1px solid rgba(201,169,110,.4);padding:4px 12px;border-radius:20px;font-size:13px;margin-bottom:14px}

/* 区块 */
.section{padding:46px 0}
.section.alt{background:#fff}
.section-title{font-size:23px;font-weight:800;color:var(--navy);margin-bottom:6px;position:relative;padding-left:14px}
.section-title::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:5px;border-radius:3px;background:var(--gold)}
.section-sub{color:var(--muted);font-size:14px;margin-bottom:26px}

/* 卡片网格 */
.grid{display:grid;gap:18px}
.grid.c3{grid-template-columns:repeat(3,1fr)}
.grid.c2{grid-template-columns:repeat(2,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px;box-shadow:var(--shadow)}
.card h3{color:var(--navy);font-size:17px;margin-bottom:8px}
.card .kpi{font-size:30px;font-weight:800;color:var(--gold)}
.card p{font-size:14px;color:var(--muted);margin-top:6px}
.card .badge{display:inline-block;background:var(--cream);color:var(--navy);font-size:12px;padding:3px 10px;border-radius:20px;margin-bottom:10px;border:1px solid var(--line)}

/* 参数表 */
.spec{width:100%;border-collapse:collapse;margin-top:8px;font-size:14px}
.spec th,.spec td{border:1px solid var(--line);padding:11px 14px;text-align:left}
.spec th{background:var(--navy);color:#fff;font-weight:600;width:34%}
.spec td{background:#fff}
.spec tr:nth-child(even) td{background:#fbf9f5}

/* 时间线 */
.timeline{display:grid;gap:0;border-left:3px solid var(--gold);margin-left:10px}
.tl-item{padding:0 0 26px 26px;position:relative}
.tl-item::before{content:"";position:absolute;left:-10px;top:4px;width:16px;height:16px;border-radius:50%;background:var(--gold);border:3px solid #fff;box-shadow:0 0 0 2px var(--gold)}
.tl-year{font-weight:800;color:var(--navy);font-size:16px}
.tl-item p{color:var(--muted);font-size:14px;margin-top:3px}

/* 标签 */
.tags{display:flex;gap:8px;flex-wrap:wrap;margin:10px 0}
.tags span{background:var(--cream);border:1px solid var(--line);color:var(--navy);font-size:12px;padding:4px 11px;border-radius:20px}

/* 按钮 */
.btn{display:inline-block;background:var(--gold);color:var(--navy-deep);font-weight:700;padding:12px 26px;border-radius:30px;font-size:15px;transition:.2s;box-shadow:0 6px 18px rgba(201,169,110,.35)}
.btn:hover{background:var(--gold-light);transform:translateY(-2px)}
.btn.line{background:transparent;border:1.5px solid var(--navy);color:var(--navy)}

/* CTA 条 */
.cta{background:linear-gradient(120deg,var(--navy),#27567f);color:#fff;border-radius:16px;padding:30px;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:16px;margin:30px 0}
.cta h3{font-size:20px;margin-bottom:4px}
.cta p{color:#d7e2ee;font-size:14px}

/* 文章列表 */
.post{display:flex;gap:18px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px;box-shadow:var(--shadow);align-items:center}
.post .thumb{width:120px;height:90px;border-radius:10px;background:linear-gradient(135deg,var(--navy),var(--gold));flex:0 0 auto}
.post h3{font-size:17px;color:var(--navy)}
.post p{font-size:13px;color:var(--muted);margin-top:5px}
.post .more{color:var(--gold);font-weight:600;font-size:13px;margin-top:8px;display:inline-block}

/* 页脚 */
.site-footer{background:var(--navy-deep);color:#cdd8e3;padding:40px 0 26px;margin-top:40px;font-size:13px}
.site-footer .f-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:30px}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:12px}
.site-footer a{color:#cdd8e3;display:block;margin-bottom:7px}
.site-footer a:hover{color:var(--gold-light)}
.site-footer .copy{border-top:1px solid rgba(255,255,255,.1);margin-top:26px;padding-top:16px;color:#8ea0b3;font-size:12px;text-align:center}

@media(max-width:760px){
  .grid.c3,.grid.c2{grid-template-columns:1fr}
  .site-footer .f-grid{grid-template-columns:1fr}
  .site-nav .nav-links a{padding:6px 8px;font-size:13px}
  .page-hero h1{font-size:24px}
  .post{flex-direction:column;align-items:flex-start}
  .post .thumb{width:100%;height:160px}
}