/* ============================================================
   资讯中心 · 列表页 + 详情页
   依赖 styles.css 中的 :root 变量与基础样式
   ============================================================ */

/* --- 页面头部 --- */
.n-hero{
  background:#f6f6f7;border-bottom:1px solid var(--border);
  padding:148px 0 54px;
}
.n-crumb{
  font-size:12.5px;color:var(--gray-3);letter-spacing:.08em;margin-bottom:22px;
}
.n-crumb a:hover{color:var(--red)}
.n-crumb span{margin:0 8px;opacity:.5}
.n-hero .section-eyebrow{margin-bottom:14px}
.n-hero h1{
  font-size:clamp(36px,4.6vw,62px);font-weight:900;letter-spacing:-.025em;line-height:1.06;
}
.n-hero h1 em{color:var(--red);font-style:normal}
.n-hero-sub{font-size:16px;color:var(--gray-4);line-height:1.8;max-width:640px;margin-top:16px}

/* --- 分类筛选 --- */
.n-main{padding:0}
.n-filters{
  display:flex;gap:10px;flex-wrap:wrap;padding:32px 0 6px;
  border-bottom:1px solid var(--border);
}
.n-filter{
  padding:9px 18px;border-radius:999px;border:1px solid var(--border);background:#fff;
  font-size:13.5px;font-weight:600;color:var(--gray-4);cursor:pointer;
  font-family:inherit;transition:all .2s ease;
}
.n-filter:hover{border-color:var(--red);color:var(--red)}
.n-filter.is-active{background:#111;color:#fff;border-color:#111}

/* --- 列表卡片 --- */
.n-list{
  display:grid;grid-template-columns:repeat(3,1fr);gap:26px;
  padding:34px 0 100px;
}
.n-card{
  background:#fff;border:1px solid var(--border);border-radius:18px;overflow:hidden;
  display:flex;flex-direction:column;
  transition:transform .3s ease, box-shadow .3s ease;
}
.n-card:hover{transform:translateY(-5px);box-shadow:0 22px 50px rgba(0,0,0,.07)}
.n-card-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:#ececef}
.n-card-media img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.n-card:hover .n-card-media img{transform:scale(1.06)}
.n-card-body{padding:24px 24px 26px;display:flex;flex-direction:column;gap:10px;flex:1}
.n-meta{display:flex;align-items:center;gap:10px;font-size:11.5px;letter-spacing:.08em}
.n-tag{
  background:rgba(230,0,35,.08);color:var(--red);padding:4px 11px;
  border-radius:999px;font-weight:700;
}
.n-meta time{color:var(--gray-3);font-family:"Inter",sans-serif}
.n-card h3{font-size:18px;font-weight:800;line-height:1.48;letter-spacing:-.005em}
.n-card p{
  font-size:13px;color:var(--gray-4);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.n-card-more{
  margin-top:auto;padding-top:8px;font-size:12.5px;font-weight:700;
  color:var(--red);letter-spacing:.08em;
}
.n-empty{padding:90px 0;text-align:center;color:var(--gray-3);font-size:15px}

/* --- 详情页 --- */
.a-wrap{max-width:820px;margin:0 auto;padding:0 32px}
.a-head{padding:130px 0 0}
.a-meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:20px}
.a-meta .n-tag{font-size:12px;padding:5px 12px}
.a-meta time{font-size:12.5px;color:var(--gray-3);letter-spacing:.1em;font-family:"Inter",sans-serif}
.a-title{
  font-size:clamp(27px,3.4vw,42px);font-weight:900;line-height:1.32;
  letter-spacing:-.02em;margin:0 0 24px;
}
.a-sum{
  font-size:16.5px;color:var(--gray-4);line-height:1.9;
  border-left:3px solid var(--red);padding-left:20px;margin:0 0 40px;
}
.a-cover{max-width:1120px;margin:0 auto 56px;padding:0 32px}
.a-cover img{
  width:100%;aspect-ratio:16/8.4;object-fit:cover;
  border-radius:20px;display:block;background:#ececef;
}
.a-body{
  max-width:760px;margin:0 auto;padding:0 32px 72px;
  font-size:16px;line-height:1.95;color:#2a2a2f;
}
.a-body h2{
  font-size:20px;font-weight:800;color:#111;line-height:1.55;
  margin:40px 0 16px;padding-left:14px;border-left:4px solid var(--red);
}
.a-body h2:first-child{margin-top:0}
.a-body p{margin:0 0 20px}
.a-body ul{list-style:none;margin:0 0 24px;padding:0}
.a-body li{
  position:relative;padding-left:24px;margin-bottom:10px;
  color:var(--gray-4);line-height:1.85;
}
.a-body li::before{
  content:"";position:absolute;left:5px;top:11px;
  width:6px;height:6px;border-radius:50%;background:var(--red);
}
.a-end{
  max-width:760px;margin:0 auto;padding:0 32px 90px;
  display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
  border-top:1px solid var(--border);padding-top:30px;
}
.a-end .a-share{font-size:13px;color:var(--gray-3)}
.a-back{
  display:inline-block;font-size:13.5px;font-weight:700;color:var(--red);
  letter-spacing:.06em;transition:transform .2s ease;
}
.a-back:hover{transform:translateX(-4px)}

/* 更多资讯 */
.a-more{background:#fafafa;padding:80px 0}
.a-more-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px}
.a-more-head h2{font-size:clamp(24px,2.4vw,34px);font-weight:900;letter-spacing:-.02em}
.a-more .n-card p{-webkit-line-clamp:2}

@media (max-width:1080px){
  .n-list,.a-more .n-list{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:640px){
  .n-hero{padding:120px 0 40px}
  .n-list{grid-template-columns:1fr;gap:20px;padding-bottom:70px}
  .a-head{padding:110px 0 0}
  .a-cover{padding:0 20px;margin-bottom:36px}
  .a-body,.a-wrap,.a-end{padding-left:20px;padding-right:20px}
  .a-body{font-size:15.5px}
}