:root{
  --bg:#05070f;--bg-2:#0a0f1f;--panel:rgba(18,26,46,.55);--panel-brd:rgba(94,234,212,.18);
  --cyan:#22d3ee;--blue:#3b82f6;--violet:#a855f7;--txt:#e6f0ff;--txt-dim:#8ea3c4;
  --glow:0 0 24px rgba(34,211,238,.45);
  --grad:linear-gradient(120deg,#22d3ee 0%,#3b82f6 45%,#a855f7 100%);
  --grad-soft:linear-gradient(120deg,rgba(34,211,238,.18),rgba(168,85,247,.18));
  --radius:18px;--maxw:1080px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"Segoe UI",-apple-system,"PingFang SC","Microsoft YaHei",system-ui,sans-serif;background:var(--bg);color:var(--txt);line-height:1.8;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}

/* 文章页顶部 */
.a-nav{position:sticky;top:0;z-index:40;backdrop-filter:blur(14px);background:rgba(5,7,15,.6);border-bottom:1px solid rgba(94,234,212,.1)}
.a-nav .wrap{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:18px}
.logo .mark{width:32px;height:32px;border-radius:9px;background:var(--grad);display:grid;place-items:center;font-size:16px;box-shadow:var(--glow);color:#06121f}
.a-nav .back{color:var(--cyan);font-size:14px;font-weight:600}

/* 文章主体 */
.a-main{padding:48px 24px 80px;max-width:820px}
.a-meta{display:flex;align-items:center;gap:14px;flex-wrap:wrap;font-size:13px;color:var(--txt-dim);margin-bottom:18px}
.a-meta .tag{color:#06121f;background:var(--cyan);padding:4px 12px;border-radius:999px;font-weight:700}
.a-title{font-size:clamp(26px,4vw,40px);line-height:1.25;font-weight:800;margin-bottom:16px}
.a-sum{color:var(--txt-dim);font-size:16px;margin-bottom:24px}
.a-cover{width:100%;border-radius:var(--radius);border:1px solid var(--panel-brd);margin-bottom:30px;display:block}
.a-body h1,.a-body h2,.a-body h3{margin:28px 0 12px;line-height:1.3;font-weight:800}
.a-body h2{font-size:24px;padding-left:14px;border-left:4px solid var(--cyan)}
.a-body h3{font-size:19px;color:var(--cyan)}
.a-body p{margin:14px 0;color:#d4e0f5}
.a-body ul{margin:14px 0 14px 22px}
.a-body li{margin:8px 0}
.a-body blockquote{margin:18px 0;padding:14px 20px;border-left:3px solid var(--violet);background:var(--grad-soft);border-radius:0 12px 12px 0;color:var(--txt-dim)}
.a-body code{background:rgba(5,7,15,.6);padding:2px 7px;border-radius:6px;font-size:.9em;color:var(--cyan)}
.a-body a{color:var(--cyan);text-decoration:underline}
.a-kw{display:flex;flex-wrap:wrap;gap:10px;margin:34px 0 10px}
.a-kw .kw{color:var(--cyan);border:1px solid var(--panel-brd);padding:6px 14px;border-radius:999px;font-size:13px;transition:.2s}
.a-kw .kw:hover{background:var(--grad-soft);border-color:var(--cyan)}
.a-foot{margin-top:24px;padding-top:20px;border-top:1px solid rgba(94,234,212,.1);color:var(--txt-dim);font-size:13.5px}
.a-foot-nav{border-top:1px solid rgba(94,234,212,.1);padding:24px 0;color:var(--txt-dim);font-size:13.5px}
.a-foot-nav a{color:var(--cyan)}

/* ===== 资讯列表页 ===== */
.news-hero{padding:130px 0 40px;text-align:center;position:relative}
.news-hero h1{font-size:clamp(30px,5vw,52px);margin:14px 0}
.news-hero p{color:var(--txt-dim);max-width:640px;margin:0 auto;font-size:16px}
.news-hero .eyebrow{display:inline-block;font-size:13px;letter-spacing:3px;text-transform:uppercase;color:var(--cyan);font-weight:600;padding:5px 14px;border:1px solid var(--panel-brd);border-radius:999px;background:var(--grad-soft)}
.news-controls{display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:center;margin:30px 0 40px}
.news-tabs{display:inline-flex;background:var(--panel);border:1px solid var(--panel-brd);border-radius:999px;padding:5px}
.news-tabs button{border:0;background:transparent;color:var(--txt-dim);font-size:14px;font-weight:600;padding:9px 22px;border-radius:999px;cursor:pointer;transition:.2s}
.news-tabs button.active{background:var(--grad);color:#06121f}
.news-search{display:flex;align-items:center;gap:8px;background:var(--panel);border:1px solid var(--panel-brd);border-radius:999px;padding:6px 16px}
.news-search input{background:transparent;border:0;color:var(--txt);outline:none;font-size:14px;width:200px}
.news-search span{color:var(--cyan)}
.kw-cloud{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-bottom:36px}
.kw-cloud a{font-size:12.5px;color:var(--txt-dim);border:1px solid var(--panel-brd);padding:5px 12px;border-radius:999px;transition:.2s}
.kw-cloud a:hover{color:var(--cyan);border-color:var(--cyan)}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;padding-bottom:60px}
.news-card{background:var(--panel);border:1px solid var(--panel-brd);border-radius:var(--radius);overflow:hidden;backdrop-filter:blur(8px);transition:.3s;display:flex;flex-direction:column}
.news-card:hover{transform:translateY(-6px);border-color:var(--cyan);box-shadow:0 18px 44px rgba(34,211,238,.12)}
.news-card img{width:100%;height:170px;object-fit:cover;display:block;border-bottom:1px solid var(--panel-brd)}
.news-card .c-body{padding:20px 22px;display:flex;flex-direction:column;flex:1}
.news-card .c-tag{font-size:11px;letter-spacing:1px;text-transform:uppercase;color:var(--cyan);font-weight:700}
.news-card h3{font-size:17px;margin:8px 0 10px;line-height:1.35}
.news-card p{color:var(--txt-dim);font-size:13.5px;flex:1;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.news-card .c-foot{margin-top:14px;display:flex;justify-content:space-between;align-items:center;font-size:12px;color:var(--txt-dim)}
.news-card .c-foot .more{color:var(--cyan);font-weight:600}
.news-empty{text-align:center;color:var(--txt-dim);padding:60px 0;grid-column:1/-1}
.news-cta{text-align:center;padding:30px 0 70px}
.news-cta a{display:inline-block;padding:14px 32px;border-radius:999px;background:var(--grad);color:#06121f;font-weight:700;box-shadow:var(--glow)}

@media(max-width:920px){
  .news-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:560px){
  .news-grid{grid-template-columns:1fr}
  .news-search input{width:130px}
}