/* ===== OH星公告 - 顶部横幅 ===== */
.ohc-banner{position:relative;z-index:9990;width:100%;
  background:linear-gradient(90deg,#2163e8 0%,#5b8cff 55%,#7b5cff 100%);
  color:#fff;font-size:14px;line-height:1.6;box-shadow:0 2px 10px rgba(33,99,232,.18);}
.ohc-banner-inner{max-width:1560px;margin:0 auto;padding:10px 48px 10px 20px;display:flex;align-items:center;
  gap:12px;flex-wrap:wrap;}
.ohc-banner .ohc-badge{background:rgba(255,255,255,.22);border:1px solid rgba(255,255,255,.35);
  padding:2px 10px;border-radius:20px;font-size:12px;white-space:nowrap;font-weight:600;}
.ohc-banner .ohc-text{flex:1 1 320px;min-width:200px;}
.ohc-banner .ohc-text b{color:#fff;}
.ohc-btn{display:inline-block;background:#fff;color:#2163e8;font-weight:600;font-size:13px;
  padding:6px 16px;border-radius:20px;text-decoration:none !important;border:none;cursor:pointer;
  white-space:nowrap;transition:transform .15s ease, box-shadow .15s ease;}
.ohc-btn:hover{transform:translateY(-1px);box-shadow:0 4px 12px rgba(0,0,0,.18);color:#2163e8;}
.ohc-banner-close{position:absolute;right:14px;top:50%;transform:translateY(-50%);background:transparent;
  border:none;color:rgba(255,255,255,.85);font-size:22px;line-height:1;cursor:pointer;padding:0 4px;}
.ohc-banner-close:hover{color:#fff;}

/* 横幅显示时，把绝对定位的顶栏下移，避免被横幅盖住 */
body.ohc-banner-on .site-header:not(.navbar-sticky) {
    top: var(--ohc-banner-h, 0px) !important;
}

/* ===== OH星公告 - 左下角悬浮卡片（左缘与左侧竖栏左对齐，尽量少压图） ===== */
.ohc-card{position:fixed;left:5px;bottom:20px;width:158px;z-index:9995;
  background:#fff;border-radius:12px;box-shadow:0 5px 18px rgba(20,30,60,.13);overflow:hidden;
  font-size:12px;color:#333;border:1px solid rgba(33,99,232,.12);}
.ohc-card-head{display:flex;align-items:center;gap:5px;padding:7px 10px;
  background:linear-gradient(90deg,#2163e8,#7b5cff);color:#fff;font-size:12px;}
.ohc-card-head strong{font-weight:600;}
.ohc-dot{width:6px;height:6px;border-radius:50%;background:#7CFFB2;box-shadow:0 0 0 2px rgba(124,255,178,.28);}
.ohc-card-close{margin-left:auto;background:transparent;border:none;color:#fff;font-size:16px;line-height:1;cursor:pointer;padding:0 2px;}
.ohc-card-body{padding:9px 10px 10px;}
.ohc-card-line{margin:0 0 8px;color:#444;line-height:1.55;font-size:12px;}
.ohc-card-line b{color:#2163e8;}
.ohc-card .ohc-btn{display:block;text-align:center;font-size:12px;padding:5px 12px;margin-top:0;}

/* ===== OH星公告 - 进站弹窗 ===== */
body.ohc-modal-open{overflow:hidden;}
.ohc-modal-mask{position:fixed;inset:0;background:rgba(12,18,38,.55);z-index:10000;
  display:flex;align-items:center;justify-content:center;padding:20px;
  opacity:0;animation:ohcFade .25s ease forwards;}
@keyframes ohcFade{to{opacity:1;}}
.ohc-modal-box{position:relative;width:100%;max-width:800px;background:#fff;border-radius:26px;
  padding:58px 52px 40px;text-align:center;box-shadow:0 18px 50px rgba(10,20,50,.3);
  transform:translateY(14px) scale(.97);animation:ohcPop .28s ease forwards;}
@keyframes ohcPop{to{transform:translateY(0) scale(1);}}
.ohc-modal-close{position:absolute;right:20px;top:14px;background:transparent;border:none;
  font-size:36px;color:#bbb;cursor:pointer;line-height:1;}
.ohc-modal-close:hover{color:#666;}
.ohc-modal-badge{display:inline-block;background:linear-gradient(90deg,#2163e8,#7b5cff);color:#fff;
  font-size:17px;padding:6px 20px;border-radius:22px;margin-bottom:22px;letter-spacing:1px;}
.ohc-modal-box h3{margin:0 0 22px;font-size:36px;color:#1a2233;font-weight:700;}
.ohc-modal-desc{margin:0 0 14px;color:#555;font-size:19px;line-height:1.9;}
.ohc-modal-desc b{color:#2163e8;}
.ohc-modal-tip{margin:0 0 30px;color:#888;font-size:17px;line-height:1.8;}
.ohc-modal-actions{display:flex;gap:18px;justify-content:center;flex-wrap:wrap;}
.ohc-modal-actions .ohc-btn{font-size:17px;padding:11px 30px;border-radius:26px;}
.ohc-btn-plain{background:#f1f3f8;color:#666;}
.ohc-btn-plain:hover{color:#333;}
.ohc-modal-url{margin-top:20px;font-size:15px;color:#aaa;letter-spacing:.5px;}

@media (max-width:991px){
  .ohc-modal-box{max-width:92vw;padding:42px 26px 30px;}
  .ohc-modal-box h3{font-size:26px;}
  .ohc-modal-desc{font-size:16px;}
  .ohc-modal-tip{font-size:15px;}
}
@media (max-width:767px){
  .ohc-banner-inner{padding:9px 40px 9px 14px;font-size:13px;}
  .ohc-card{width:150px;left:8px;bottom:10px;}
}