/* =========================================================================
   新闻站 · 共享样式
   风格：全出血大封面轮播 × 企业管理 ∣ SINOPEC 红唯一强调色
   ========================================================================= */
:root{
  --red:#e60012;
  --red-2:#c40010;
  --ink:#070c15;
  --ink-2:#0d1524;
  --line:rgba(255,255,255,.14);
  --muted:rgba(255,255,255,.6);
  --paper:#0b1220;
  --serif:Georgia,"Noto Serif CJK SC","Songti SC","SimSun",serif;
  --sans:"Noto Sans CJK SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --mono:"SF Mono","JetBrains Mono",ui-monospace,Menlo,monospace;
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{
  font-family:var(--sans);color:#fff;background:var(--ink);
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
.dim{color:var(--muted)}

/* ---------- 品牌条 ---------- */
.brand{display:flex;align-items:center;gap:12px}
.brand .logo{width:44px;height:44px;object-fit:contain;filter:drop-shadow(0 2px 6px rgba(0,0,0,.4))}
.brand .names{display:flex;flex-direction:column;line-height:1.22}
.brand .cn{font-size:15px;font-weight:700;letter-spacing:.12em}
.brand .en{font-size:8.5px;letter-spacing:.3em;color:var(--muted);font-family:var(--mono)}

/* ---------- 通用按钮 ---------- */
.btn{display:inline-flex;align-items:center;gap:8px;padding:10px 18px;border-radius:6px;
     font-size:13px;letter-spacing:.08em;cursor:pointer;border:1px solid transparent;transition:.2s;user-select:none}
.btn.primary{background:var(--red);color:#fff}
.btn.primary:hover{background:var(--red-2)}
.btn.ghost{border-color:var(--line);color:#fff;background:rgba(255,255,255,.04)}
.btn.ghost:hover{border-color:var(--red);color:#fff}
.btn.danger{background:rgba(230,0,18,.14);color:#ff8a8a;border-color:transparent}
.btn.danger:hover{background:rgba(230,0,18,.28)}
.btn:disabled{opacity:.5;cursor:not-allowed}

/* ---------- 加载态 ---------- */
.loading{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;
  min-height:60vh;color:var(--muted)}
.spin{width:38px;height:38px;border-radius:50%;border:3px solid rgba(255,255,255,.12);
  border-top-color:var(--red);animation:rot .8s linear infinite}
@keyframes rot{to{transform:rotate(360deg)}}

/* ---------- 表单 ---------- */
.field{display:flex;flex-direction:column;gap:6px;margin-bottom:15px}
.field label{font-size:12px;letter-spacing:.1em;color:var(--muted)}
.field input,.field textarea,.field select{
  background:rgba(255,255,255,.05);border:1px solid var(--line);color:#fff;border-radius:6px;
  padding:10px 12px;font-size:14px;font-family:var(--sans);outline:none;transition:.2s;width:100%}
.field input:focus,.field textarea:focus,.field select:focus{border-color:var(--red)}
.field textarea{resize:vertical;min-height:120px;line-height:1.7}
.field .hint{font-size:11px;color:var(--muted)}

/* ---------- toast ---------- */
#toast{position:fixed;left:50%;bottom:30px;transform:translateX(-50%) translateY(20px);
  background:#0e1a2c;border:1px solid var(--line);padding:11px 18px;border-radius:8px;font-size:13px;
  opacity:0;pointer-events:none;transition:.3s;z-index:90;box-shadow:0 12px 30px rgba(0,0,0,.5)}
#toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
#toast.err{border-color:var(--red)}