:root{--red:#e60012;--red-dark:#b8000e;--red-deep:#8f000b;--ink:#1a1a1a;--gray:#555;--light:#f7f7f8;--line:#ececec;--gold:#c9a063}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;text-size-adjust:100%}
body{font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC",sans-serif;color:var(--ink);background:#fff;line-height:1.75;-webkit-tap-highlight-color:transparent;overflow-x:hidden}
img{max-width:100%;display:block}a{text-decoration:none;color:inherit}
.container{max-width:1200px;margin:0 auto;padding:0 20px}
.container.narrow{max-width:820px}
.topbar{background:var(--red-deep);color:#fff;font-size:13px;padding:6px 0}
.topbar .container{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:4px}
.topbar b{color:#ffd9dc}
header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.96);backdrop-filter:blur(8px);box-shadow:0 2px 12px rgba(0,0,0,.06)}
.nav{display:flex;align-items:center;justify-content:space-between;height:72px}
.nav .brand{display:flex;align-items:center;gap:12px}
.nav .brand img{height:48px;width:auto}
.nav .brand .t1{font-size:20px;font-weight:800;letter-spacing:1px}
.navlinks{display:flex;gap:4px;flex-wrap:wrap}
.navlinks a{padding:8px 14px;font-size:15px;border-radius:6px;transition:.2s}
.navlinks a:hover,.navlinks a.on{color:var(--red);background:#fdecec}
/* 列表页 */
.idx-hero{background:linear-gradient(135deg,#8f000b 0%,#c40010 50%,#e60012 100%);color:#fff;padding:52px 0 44px}
.idx-hero h1{font-size:34px;letter-spacing:2px;margin-bottom:10px}
.idx-hero p{font-size:15px;opacity:.9}
.chips{display:flex;gap:10px;flex-wrap:wrap;margin:28px 0 22px}
.chip{border:1px solid var(--line);background:#fff;color:var(--gray);padding:7px 16px;border-radius:20px;font-size:13.5px;cursor:pointer;transition:.2s;font-family:inherit}
.chip:hover{border-color:var(--red);color:var(--red)}
.chip.on{background:var(--red);border-color:var(--red);color:#fff}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;padding-bottom:56px}
.card{border:1px solid var(--line);border-radius:12px;padding:22px 22px 18px;display:flex;flex-direction:column;transition:.25s;background:#fff}
.card:hover{transform:translateY(-4px);box-shadow:0 12px 30px rgba(0,0,0,.09);border-color:#f3c9cd}
.card-top{display:flex;align-items:center;gap:10px;margin-bottom:12px;flex-wrap:wrap}
.card-top time{font-size:12.5px;color:#999}
.tag{display:inline-block;font-size:12px;padding:3px 10px;border-radius:4px;background:#fdecec;color:var(--red);font-weight:600}
.card h3{font-size:17px;line-height:1.55;margin-bottom:10px}
.card p{font-size:13.5px;color:var(--gray);line-height:1.8;flex:1}
.card .more{margin-top:14px;font-size:13px;color:var(--red);font-weight:600}
.empty{text-align:center;color:#999;padding:40px 0 60px}
/* 详情页 */
.crumb{display:flex;gap:8px;align-items:center;font-size:13px;color:#999;padding:22px 0 0}
.crumb a:hover{color:var(--red)}
.crumb i{font-style:normal;color:#ccc}
.art-head{padding:18px 0 26px;border-bottom:1px solid var(--line)}
.art-head .tags{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.art-head .tags time{font-size:13px;color:#999}
.art-head h1{font-size:30px;line-height:1.45;letter-spacing:.5px}
.lede{margin-top:16px;font-size:15.5px;color:var(--gray);background:var(--light);border-left:3px solid var(--red);padding:14px 18px;border-radius:0 8px 8px 0}
.art-body{padding:30px 0 10px;font-size:16.5px;line-height:1.95;color:#222}
.art-body p{margin:0 0 20px}
.art-body h2{font-size:21px;margin:34px 0 14px;padding-left:12px;border-left:4px solid var(--red);line-height:1.5}
.art-body h3{font-size:18px;margin:26px 0 12px;color:var(--red-dark)}
.art-body h4{font-size:16.5px;margin:22px 0 10px}
.art-body ul,.art-body ol{margin:0 0 20px 22px}
.art-body li{margin-bottom:9px}
.art-body strong{color:#111;font-weight:700}
.art-body blockquote{background:var(--light);border-left:3px solid var(--gold);padding:14px 18px;margin:0 0 20px;color:var(--gray);border-radius:0 8px 8px 0}
.art-body code{background:#f3f3f3;padding:1px 5px;border-radius:3px;font-size:.92em}
.art-cta{margin:36px 0 10px;background:linear-gradient(135deg,#fdf3f4,#fff);border:1px solid #f6d9dd;border-radius:12px;padding:24px 26px;text-align:center}
.cta-t{font-size:15.5px;font-weight:700;margin-bottom:8px}
.art-cta p{font-size:14px;color:var(--gray)}
.art-cta b{color:var(--red);font-size:17px}
.cta-acts{display:flex;gap:12px;justify-content:center;margin-top:16px;flex-wrap:wrap}
.btn{display:inline-block;background:var(--red);color:#fff;padding:10px 28px;border-radius:7px;font-size:14.5px;transition:.2s}
.btn:hover{background:var(--red-dark)}
.btn.ghost{background:#fff;color:var(--red);border:1px solid var(--red)}
.art-meta{display:flex;gap:20px;flex-wrap:wrap;font-size:12.5px;color:#999;margin:22px 0 0;padding-top:16px;border-top:1px solid var(--line)}
.related{margin:44px 0 0}
.related h2{font-size:18px;margin-bottom:16px}
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.rel-card{border:1px solid var(--line);border-radius:10px;padding:16px;transition:.2s}
.rel-card:hover{border-color:#f3c9cd;background:#fffafa}
.rel-card time{font-size:12px;color:#999}
.rel-card h3{font-size:14px;line-height:1.6;margin-top:6px;font-weight:600}
.backline{padding:36px 0 60px}
.backline a{font-size:14px;color:var(--red);font-weight:600}
footer{background:#1c1c1e;color:#bbb;padding:40px 0 0;margin-top:20px}
.foot-inner{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap;padding-bottom:26px}
.fbrand{display:flex;align-items:center;gap:10px;margin-bottom:10px}
.fbrand img{height:38px;border-radius:5px}
.fbrand b{color:#fff;font-size:16px}
.foot-l p{font-size:13px;line-height:1.9}
.foot-r{display:flex;gap:18px;flex-wrap:wrap;font-size:13px}
.foot-r a:hover{color:#fff}
.copy{text-align:center;font-size:12.5px;padding:16px 20px;border-top:1px solid #2c2c2e;color:#888}
.copy a{color:#aaa}
@media(max-width:960px){.cards{grid-template-columns:repeat(2,1fr)}.rel-grid{grid-template-columns:1fr}}
@media(max-width:640px){
  .nav{height:62px}.nav .brand img{height:40px}.nav .brand .t1{font-size:17px}
  .navlinks a{padding:6px 9px;font-size:13.5px}
  .idx-hero{padding:38px 0 32px}.idx-hero h1{font-size:26px}
  .cards{grid-template-columns:1fr;gap:14px}
  .art-head h1{font-size:23px}.art-body{font-size:16px;line-height:1.9}
  .topbar{font-size:12px}.container{padding:0 16px}
}