/* ============================================================
   咪助网 · 新闻详情页
   复用 base.css 的变量与基础层，仅补充详情页专属排版
   ============================================================ */

/* ---------- 顶部导航 ---------- */
.nv{position:fixed;top:0;left:0;right:0;z-index:50;height:var(--nav-h);
  display:flex;align-items:center;background:rgba(255,255,255,.86);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line)}
.nv-in{width:var(--wrap);margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:20px}
.nv-logo{display:flex;align-items:center;gap:10px}
.nv-logo .mark{width:34px;height:34px;border-radius:9px;display:grid;place-items:center;
  color:#fff;font-weight:800;font-size:16px}
.nv-logo b{display:block;font-size:15px;font-weight:800;letter-spacing:.02em}
.nv-logo small{display:block;font-size:10px;letter-spacing:.22em;color:var(--muted);margin-top:2px}
.nv-back{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;
  padding:9px 18px;border:1px solid var(--line);border-radius:999px;transition:.25s var(--ease)}
.nv-back:hover{background:var(--brand);color:#fff;border-color:var(--brand)}

/* ---------- 正文 ---------- */
.art{padding:calc(var(--nav-h) + 56px) 0 72px}
.art-in{width:min(860px,90vw);margin:0 auto}
.art-cat{display:inline-block;font-size:11px;font-weight:700;letter-spacing:.18em;
  color:#00b056;border:1px solid rgba(0,176,86,.35);border-radius:999px;padding:5px 14px}
.art h1{font-size:clamp(24px,3.4vw,38px);line-height:1.32;font-weight:800;
  letter-spacing:.01em;margin:18px 0 14px}
.art-meta{display:flex;align-items:center;gap:18px;flex-wrap:wrap;
  font-size:12.5px;color:var(--muted);letter-spacing:.04em;
  padding-bottom:22px;border-bottom:1px solid var(--line)}
.art-cover{margin:34px 0 8px;border-radius:var(--radius);overflow:hidden;
  box-shadow:0 24px 60px rgba(20,22,26,.12)}
.art-cover img{width:100%}
.art-body{margin-top:30px;font-size:16px;line-height:1.95;color:#2a2d34;letter-spacing:.01em}
.art-body p{margin:0 0 1.15em}
.art-body p:last-child{margin-bottom:0}
.art-lead{font-size:17px;color:var(--brand);font-weight:600}

/* ---------- 上一篇 / 下一篇 ---------- */
.pn{width:min(860px,90vw);margin:56px auto 0;display:grid;
  grid-template-columns:1fr 1fr;gap:16px}
.pn a{border:1px solid var(--line);border-radius:var(--radius);padding:20px 22px;
  transition:.28s var(--ease);display:block;min-height:96px}
.pn a:hover{border-color:#00b056;transform:translateY(-3px);
  box-shadow:0 18px 40px rgba(0,176,86,.10)}
.pn .lb{font-size:11px;letter-spacing:.16em;color:var(--muted);margin-bottom:10px}
.pn .tt{font-size:14.5px;font-weight:700;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.pn .next{text-align:right}
.pn .empty{opacity:.45;pointer-events:none}

/* ---------- 更多动态 ---------- */
.more{width:min(860px,90vw);margin:60px auto 0}
.more h3{font-size:13px;font-weight:800;letter-spacing:.2em;color:var(--muted);
  padding-bottom:14px;border-bottom:1px solid var(--line)}
.more ul{margin-top:6px}
.more li a{display:flex;align-items:baseline;gap:16px;padding:15px 4px;
  border-bottom:1px dashed var(--line);transition:.2s}
.more li a:hover{color:#00b056;padding-left:10px}
.more time{font-size:12px;color:var(--muted);white-space:nowrap;font-variant-numeric:tabular-nums}
.more .t{font-size:14.5px;font-weight:600;flex:1;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

/* ---------- 底部版权（与首页 sec-foot 同款，居中） ---------- */
.ft{margin-top:72px;border-top:1px solid var(--line);height:64px;
  display:flex;justify-content:center;align-items:center;gap:28px;flex-wrap:wrap;
  padding:0 5vw;font-size:11px;letter-spacing:.05em;color:var(--muted)}

@media (max-width:720px){
  .art{padding-top:calc(var(--nav-h) + 36px)}
  .pn{grid-template-columns:1fr}
  .pn .next{text-align:left}
  .nv-logo small{display:none}
}

/* ---------- 服务详情：服务点 / 操作按钮 ---------- */
.svc-pts{margin-top:30px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px 20px}
.svc-pts div{font-size:14.5px;color:#3d4250;padding:16px 18px 16px 44px;position:relative;
  background:#f5f6fa;border-radius:12px;overflow-wrap:break-word}
.svc-pts div::before{content:"";position:absolute;left:18px;top:24px;width:8px;height:8px;
  border-radius:50%;background:#00b056}
.art-actions{margin-top:34px;display:flex;gap:14px;flex-wrap:wrap}
.btn-open{display:inline-block;background:#00b056;color:#fff;font-size:14px;font-weight:650;
  padding:14px 30px;border-radius:8px;transition:.3s cubic-bezier(.22,1,.36,1)}
.btn-open:hover{background:#00c262;transform:translateY(-2px);box-shadow:0 14px 30px rgba(0,176,86,.35)}
.btn-open-ghost{background:transparent;color:#0f1222;border:1px solid rgba(15,18,34,.2)}
.btn-open-ghost:hover{background:#0f1222;color:#fff;box-shadow:none}
@media (max-width:640px){
  .svc-pts{grid-template-columns:1fr}
}