/* ============================================================
   style.css —— 全局样式（简约科技风 · 深空暗色主题）
   覆盖：登录注册页(3D地球)、平台首页、详情、发布、个人中心、后台
   ============================================================ */

:root {
  --bg: #060a14;
  --bg-soft: #0b1120;
  --panel: rgba(13, 20, 38, 0.78);
  --panel-border: rgba(96, 165, 250, 0.16);
  --text: #dce6f5;
  --text-dim: #7d8db0;
  --accent: #38bdf8;
  --accent-2: #818cf8;
  --gold: #fbbf24;
  --danger: #f87171;
  --ok: #34d399;
  --radius: 10px;
  --font: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
[v-cloak] { display: none !important; }
html, body { height: 100%; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-decoration: none; }
button { font-family: var(--font); cursor: pointer; }
input, textarea, select {
  font-family: var(--font); font-size: 14px; color: var(--text);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(148, 163, 184, 0.22);
  border-radius: 8px; padding: 10px 12px; outline: none;
  transition: border-color .2s, box-shadow .2s;
}
input:focus, textarea:focus, select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.12);
}
input::placeholder, textarea::placeholder { color: #54638a; }
select option { background: var(--bg-soft); }

::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(120, 150, 200, 0.25); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: rgba(120, 150, 200, 0.45); }

/* ============ 通用组件 ============ */

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 10px 20px; border-radius: 8px; border: 1px solid transparent;
  background: linear-gradient(135deg, #0ea5e9, #6366f1);
  color: #fff; font-size: 14px; letter-spacing: 1px;
  transition: transform .15s, box-shadow .2s, opacity .2s;
}
.btn:hover { transform: translateY(-1px); box-shadow: 0 6px 20px rgba(56, 189, 248, 0.35); }
.btn:active { transform: translateY(0); }
.btn-ghost {
  background: transparent; border: 1px solid rgba(148, 163, 184, 0.3); color: var(--text);
}
.btn-ghost:hover { border-color: var(--accent); box-shadow: none; }
.btn-sm { padding: 6px 12px; font-size: 12px; }
.btn-danger { background: linear-gradient(135deg, #ef4444, #b91c1c); }
.btn-ok { background: linear-gradient(135deg, #10b981, #059669); }
.btn[disabled] { opacity: .45; cursor: not-allowed; transform: none !important; box-shadow: none !important; }

.tag {
  display: inline-block; padding: 2px 8px; border-radius: 4px; font-size: 11px;
  background: rgba(56, 189, 248, 0.12); color: var(--accent); border: 1px solid rgba(56, 189, 248, 0.25);
}
.tag-gold { background: rgba(251, 191, 36, 0.12); color: var(--gold); border-color: rgba(251, 191, 36, 0.3); }
.tag-ok { background: rgba(52, 211, 153, 0.12); color: var(--ok); border-color: rgba(52, 211, 153, 0.3); }
.tag-danger { background: rgba(248, 113, 113, 0.12); color: var(--danger); border-color: rgba(248, 113, 113, 0.3); }

.glass {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-radius: var(--radius);
}

/* 轻提示 */
.toast {
  position: fixed; top: 28px; left: 50%; transform: translateX(-50%) translateY(-8px);
  background: rgba(15, 23, 42, 0.92); border: 1px solid rgba(56, 189, 248, 0.4);
  color: var(--text); padding: 10px 22px; border-radius: 8px; z-index: 9999;
  opacity: 0; pointer-events: none; transition: all .25s; font-size: 13px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.5); backdrop-filter: blur(10px);
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.toast.ok { border-color: rgba(52, 211, 153, 0.5); }
.toast.err { border-color: rgba(248, 113, 113, 0.5); }

/* ============ 登录注册页（3D地球） ============ */

.login-page { position: fixed; inset: 0; overflow: hidden; }
#earth-container { position: absolute; inset: 0; }
#earth-container canvas { display: block; }

/* 加载遮罩 */
.loading-mask {
  position: absolute; inset: 0; z-index: 100;
  background: #02040a; display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: 22px;
  transition: opacity .8s;
}
.loading-mask.hide { opacity: 0; pointer-events: none; }
.loading-ring {
  width: 54px; height: 54px; border-radius: 50%;
  border: 2px solid rgba(56, 189, 248, 0.15); border-top-color: var(--accent);
  animation: spin 0.9s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.loading-text { color: var(--text-dim); letter-spacing: 4px; font-size: 13px; }

/* 顶部品牌 */
.brand {
  position: absolute; top: 34px; left: 44px; z-index: 10;
  animation: fadeDown 1s ease both .2s;
}
.brand h1 {
  font-size: 26px; font-weight: 700; letter-spacing: 6px;
  background: linear-gradient(120deg, #7dd3fc, #e0f2fe 60%, #a5b4fc);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.brand p { margin-top: 6px; font-size: 12px; letter-spacing: 3px; color: var(--text-dim); }

/* 操作提示 */
.earth-hint {
  position: absolute; right: 40px; bottom: 34px; z-index: 10;
  color: var(--text-dim); font-size: 12px; letter-spacing: 2px;
  display: flex; gap: 18px; animation: fadeUp 1s ease both .8s;
}
.earth-hint span::before { content: '◈ '; color: var(--accent); }

/* 左侧高校选择面板 */
.select-panel {
  position: absolute; left: 44px; top: 50%; transform: translateY(-50%);
  width: 360px; z-index: 10; padding: 24px;
  animation: fadeUp 1s ease both .4s;
  transition: opacity .4s, transform .4s;
}
.select-panel.away { opacity: 0; transform: translateY(-50%) translateX(-30px); pointer-events: none; }
.select-panel h2 { font-size: 17px; letter-spacing: 2px; margin-bottom: 4px; }
.select-panel .sub { color: var(--text-dim); font-size: 12px; margin-bottom: 16px; letter-spacing: 1px; }

.search-wrap { position: relative; }
.search-wrap .icon {
  position: absolute; left: 12px; top: 50%; transform: translateY(-50%);
  color: var(--text-dim); font-size: 13px;
}
#search-input { width: 100%; padding-left: 34px; }

.school-list {
  margin-top: 12px; max-height: 320px; overflow-y: auto;
  border-top: 1px solid rgba(148, 163, 184, 0.1);
}
.school-item {
  display: flex; justify-content: space-between; align-items: center;
  padding: 11px 10px; cursor: pointer; border-radius: 6px;
  border-bottom: 1px solid rgba(148, 163, 184, 0.07);
  transition: background .15s, padding-left .15s;
}
.school-item:hover { background: rgba(56, 189, 248, 0.08); padding-left: 16px; }
.school-item .name { font-size: 14px; }
.school-item .prov { font-size: 11px; color: var(--text-dim); }
.school-empty { padding: 26px 0; text-align: center; color: var(--text-dim); font-size: 12px; letter-spacing: 1px; }
.list-count { margin-top: 10px; font-size: 11px; color: var(--text-dim); letter-spacing: 1px; text-align: right; }

/* 悬停高校的地球tooltip */
.earth-tooltip {
  position: fixed; z-index: 20; pointer-events: none;
  padding: 6px 12px; font-size: 12px; letter-spacing: 1px;
  background: rgba(10, 16, 30, 0.9); border: 1px solid rgba(56, 189, 248, 0.45);
  border-radius: 6px; color: #cfe8ff; white-space: nowrap;
  transform: translate(14px, -50%); opacity: 0; transition: opacity .15s;
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.5);
}
.earth-tooltip.show { opacity: 1; }
.earth-tooltip em { font-style: normal; color: var(--text-dim); font-size: 11px; margin-left: 6px; }

/* 飞行中的校名横幅 */
.fly-banner {
  position: absolute; top: 16%; left: 50%; transform: translateX(-50%);
  z-index: 12; text-align: center; pointer-events: none;
  opacity: 0; transition: opacity .6s;
}
.fly-banner.show { opacity: 1; }
.fly-banner .to { font-size: 12px; letter-spacing: 6px; color: var(--text-dim); }
.fly-banner .name {
  margin-top: 8px; font-size: 34px; letter-spacing: 10px; font-weight: 700;
  background: linear-gradient(120deg, #fef3c7, #fbbf24);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
  text-shadow: 0 0 40px rgba(251, 191, 36, 0.25);
}

/* 登录/注册卡片 */
.auth-card {
  position: absolute; left: 44px; top: 50%; transform: translateY(-50%) translateX(-40px);
  width: 380px; z-index: 11; padding: 30px 28px;
  opacity: 0; pointer-events: none;
  transition: opacity .6s .2s, transform .6s .2s;
}
.auth-card.show { opacity: 1; transform: translateY(-50%) translateX(0); pointer-events: auto; }
.auth-school {
  display: flex; align-items: center; justify-content: space-between;
  padding-bottom: 16px; margin-bottom: 18px;
  border-bottom: 1px solid rgba(148, 163, 184, 0.12);
}
.auth-school .s-name { font-size: 19px; letter-spacing: 2px; font-weight: 600; }
.auth-school .s-sub { display: block; margin-top: 4px; font-size: 11px; color: var(--text-dim); letter-spacing: 1px; }
.auth-school .re-select { background: none; border: none; }
.auth-school .s-name::before { content: '📍 '; font-size: 15px; }
.auth-school .re-select { font-size: 12px; color: var(--text-dim); cursor: pointer; }
.auth-school .re-select:hover { color: var(--accent); }

.auth-tabs { display: flex; gap: 4px; margin-bottom: 20px; background: rgba(255, 255, 255, 0.04); padding: 4px; border-radius: 8px; }
.auth-tabs .tab {
  flex: 1; text-align: center; padding: 9px 0; border-radius: 6px;
  color: var(--text-dim); cursor: pointer; letter-spacing: 2px; transition: all .2s;
}
.auth-tabs .tab.active { background: linear-gradient(135deg, rgba(14, 165, 233, 0.85), rgba(99, 102, 241, 0.85)); color: #fff; }

.role-row { display: flex; gap: 10px; margin-bottom: 16px; }
.role-item {
  flex: 1; text-align: center; padding: 10px 0; border-radius: 8px; cursor: pointer;
  border: 1px solid rgba(148, 163, 184, 0.22); color: var(--text-dim);
  transition: all .2s; letter-spacing: 1px;
}
.role-item.active { border-color: var(--accent); color: var(--accent); background: rgba(56, 189, 248, 0.08); box-shadow: 0 0 14px rgba(56, 189, 248, 0.12); }

.form-field { margin-bottom: 14px; }
.form-field label { display: block; font-size: 12px; color: var(--text-dim); margin-bottom: 6px; letter-spacing: 1px; }
.form-field input { width: 100%; }
.auth-card .btn { width: 100%; margin-top: 6px; }
.auth-tip { margin-top: 14px; font-size: 11px; color: #54638a; text-align: center; letter-spacing: 1px; }

@keyframes fadeUp { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeDown { from { opacity: 0; transform: translateY(-14px); } to { opacity: 1; transform: translateY(0); } }
.select-panel { animation-name: fadeUp; }
.select-panel.away { animation: none; }

/* ============ 平台内页（首页/详情/发布/个人中心/后台） ============ */

.topnav {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; gap: 18px;
  padding: 0 36px; height: 60px;
  background: rgba(8, 12, 24, 0.88); backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(96, 165, 250, 0.14);
}
.topnav .logo {
  font-size: 17px; font-weight: 700; letter-spacing: 3px;
  background: linear-gradient(120deg, #7dd3fc, #a5b4fc);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
  cursor: pointer; white-space: nowrap;
}
.topnav .school-chip {
  font-size: 12px; color: var(--gold); border: 1px solid rgba(251, 191, 36, 0.35);
  padding: 3px 10px; border-radius: 20px; background: rgba(251, 191, 36, 0.07); white-space: nowrap;
}
.topnav .nav-search { flex: 0 1 340px; position: relative; }
.topnav .nav-search input { width: 100%; padding: 8px 12px 8px 32px; font-size: 13px; }
.topnav .nav-search::before {
  content: '⌕'; position: absolute; left: 11px; top: 50%; transform: translateY(-50%);
  color: var(--text-dim); font-size: 15px;
}
.topnav .spacer { flex: 1; }
.topnav .nav-link {
  color: var(--text-dim); font-size: 13px; letter-spacing: 1px; cursor: pointer;
  padding: 6px 10px; border-radius: 6px; transition: all .18s; white-space: nowrap;
}
.topnav .nav-link:hover, .topnav .nav-link.active { color: var(--accent); background: rgba(56, 189, 248, 0.08); }
.topnav .nav-link.publish {
  color: #fff; background: linear-gradient(135deg, #0ea5e9, #6366f1);
}
.topnav .nav-link.publish:hover { box-shadow: 0 4px 14px rgba(56, 189, 248, 0.35); }

.page-body { max-width: 1200px; margin: 0 auto; padding: 26px 30px 60px; }

/* 分类条 */
.cat-bar { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 22px; }
.cat-item {
  padding: 7px 16px; border-radius: 20px; font-size: 13px; cursor: pointer;
  border: 1px solid rgba(148, 163, 184, 0.2); color: var(--text-dim); transition: all .18s;
}
.cat-item:hover { border-color: var(--accent); color: var(--accent); }
.cat-item.active {
  background: linear-gradient(135deg, rgba(14, 165, 233, 0.9), rgba(99, 102, 241, 0.9));
  color: #fff; border-color: transparent;
}

/* 商品网格与卡片 */
.goods-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 18px;
}
.goods-card {
  background: var(--panel); border: 1px solid var(--panel-border);
  border-radius: var(--radius); overflow: hidden; cursor: pointer;
  transition: transform .22s, box-shadow .22s, border-color .22s;
}
.goods-card:hover {
  transform: translateY(-4px); border-color: rgba(56, 189, 248, 0.4);
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.45), 0 0 0 1px rgba(56, 189, 248, 0.15);
}
.goods-card .pic {
  position: relative; width: 100%; padding-top: 75%;
  background: #0d1526 center/cover no-repeat;
}
.goods-card .fav-btn {
  position: absolute; top: 10px; right: 10px; width: 32px; height: 32px;
  border-radius: 50%; border: none; font-size: 15px; line-height: 1;
  background: rgba(6, 10, 20, 0.65); color: #94a3b8; backdrop-filter: blur(6px);
  transition: all .2s;
}
.goods-card .fav-btn:hover { transform: scale(1.12); }
.goods-card .fav-btn.faved { color: #f472b6; }
.goods-card .info { padding: 12px 14px 14px; }
.goods-card .title {
  font-size: 14px; line-height: 1.45; height: 40px; overflow: hidden;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
}
.goods-card .row { display: flex; align-items: center; justify-content: space-between; margin-top: 10px; }
.goods-card .price { color: #fb7185; font-size: 17px; font-weight: 700; }
.goods-card .price::before { content: '¥'; font-size: 12px; margin-right: 1px; }
.goods-card .meta { font-size: 11px; color: var(--text-dim); }
.empty-box { text-align: center; padding: 80px 0; color: var(--text-dim); letter-spacing: 2px; }
.empty-box .big { font-size: 42px; margin-bottom: 14px; opacity: .5; }

/* 详情页 */
.detail-wrap { display: grid; grid-template-columns: 460px 1fr; gap: 30px; }
.detail-pic {
  width: 100%; padding-top: 100%; border-radius: var(--radius);
  background: #0d1526 center/cover no-repeat; border: 1px solid var(--panel-border);
}
.detail-thumbs { display: flex; gap: 8px; margin-top: 10px; }
.detail-thumbs .thumb {
  width: 64px; height: 64px; border-radius: 6px; cursor: pointer;
  background: #0d1526 center/cover; border: 1px solid var(--panel-border); opacity: .6;
}
.detail-thumbs .thumb.active { opacity: 1; border-color: var(--accent); }
.detail-info h2 { font-size: 20px; line-height: 1.5; }
.detail-price { margin: 16px 0; color: #fb7185; font-size: 30px; font-weight: 700; }
.detail-price::before { content: '¥'; font-size: 16px; }
.detail-desc {
  color: var(--text-dim); line-height: 1.8; padding: 16px;
  background: rgba(255, 255, 255, 0.03); border-radius: 8px; margin: 14px 0;
  white-space: pre-wrap;
}
.detail-meta { display: flex; gap: 14px; color: var(--text-dim); font-size: 12px; margin-bottom: 18px; }
.seller-card {
  display: flex; align-items: center; gap: 12px; padding: 14px 16px; margin: 18px 0;
}
.seller-card .avatar {
  width: 44px; height: 44px; border-radius: 50%; flex-shrink: 0;
  background: linear-gradient(135deg, #0ea5e9, #6366f1);
  display: flex; align-items: center; justify-content: center;
  font-size: 18px; color: #fff; background-size: cover; background-position: center;
}
.seller-card .s-name { font-size: 15px; }
.seller-card .s-school { font-size: 12px; color: var(--text-dim); margin-top: 3px; }
.detail-actions { display: flex; gap: 12px; }

/* 留言 */
.msg-section { margin-top: 36px; }
.msg-section h3 { font-size: 16px; letter-spacing: 1px; margin-bottom: 16px; }
.msg-item { display: flex; gap: 10px; padding: 12px 0; border-bottom: 1px solid rgba(148, 163, 184, 0.08); }
.msg-item .m-avatar {
  width: 34px; height: 34px; border-radius: 50%; flex-shrink: 0;
  background: linear-gradient(135deg, #334155, #475569);
  display: flex; align-items: center; justify-content: center; font-size: 13px; color: #cbd5e1;
}
.msg-item .m-name { font-size: 12px; color: var(--accent); }
.msg-item .m-time { font-size: 11px; color: #54638a; margin-left: 8px; }
.msg-item .m-content { margin-top: 5px; color: var(--text); line-height: 1.6; font-size: 13px; }
.msg-input-row { display: flex; gap: 10px; margin-top: 16px; }
.msg-input-row input { flex: 1; }

/* 表单页（发布/个人中心） */
.form-card { max-width: 640px; margin: 0 auto; padding: 30px 34px; }
.form-card h2 { font-size: 18px; letter-spacing: 2px; margin-bottom: 24px; }
.form-card .form-field textarea { width: 100%; min-height: 110px; resize: vertical; }
.img-upload-row { display: flex; gap: 10px; flex-wrap: wrap; }
.img-upload-row .up-item, .img-upload-row .up-add {
  width: 96px; height: 96px; border-radius: 8px; overflow: hidden;
  border: 1px dashed rgba(148, 163, 184, 0.35);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-dim); font-size: 24px; cursor: pointer; position: relative;
  background-size: cover; background-position: center;
}
.img-upload-row .up-add:hover { border-color: var(--accent); color: var(--accent); }
.img-upload-row .up-item .del {
  position: absolute; top: 4px; right: 4px; width: 20px; height: 20px;
  border-radius: 50%; background: rgba(0, 0, 0, 0.65); color: #fca5a5;
  font-size: 12px; line-height: 20px; text-align: center; border: none;
}

/* 个人中心 tabs */
.profile-tabs { display: flex; gap: 8px; margin-bottom: 24px; }
.p-tab {
  padding: 9px 20px; border-radius: 8px; cursor: pointer; letter-spacing: 1px;
  color: var(--text-dim); border: 1px solid rgba(148, 163, 184, 0.18); transition: all .18s;
}
.p-tab.active { color: #fff; background: linear-gradient(135deg, rgba(14, 165, 233, 0.85), rgba(99, 102, 241, 0.85)); border-color: transparent; }

/* 管理表格 */
.admin-table { width: 100%; border-collapse: collapse; }
.admin-table th, .admin-table td {
  padding: 12px 14px; text-align: left; font-size: 13px;
  border-bottom: 1px solid rgba(148, 163, 184, 0.1);
}
.admin-table th { color: var(--text-dim); font-weight: 500; letter-spacing: 1px; }
.admin-table tr:hover td { background: rgba(56, 189, 248, 0.04); }
.admin-table .thumb-cell {
  width: 46px; height: 46px; border-radius: 6px;
  background: #0d1526 center/cover;
}
.section-title { font-size: 17px; letter-spacing: 2px; margin: 8px 0 18px; }
.section-title::before { content: '▎'; color: var(--accent); }

/* ============================================================
   双图层切换：远景 3D 地球 ←→ 近景二维瓦片地图
   ------------------------------------------------------------
   1) #map-layer 覆盖在 3D 画布之上，通过 opacity 过渡实现无闪屏交叉淡入淡出；
   2) 瓦片使用高德路网样式，配合反色滤镜融入深空暗色主题；
   3) 高校点位以 DOM 图标渲染，按屏幕像素网格做聚合。
   ============================================================ */

#map-layer {
  position: absolute; inset: 0; z-index: 5;
  opacity: 0; pointer-events: none;
  background: transparent;          /* 透明底：交叉淡化时透出下层 3D 地球，避免黑屏 */
  transition: opacity .6s ease;     /* 与 3D 图层 fadeOut/fadeIn 600ms 同步，形成交叉淡入淡出 */
}
#map-layer.show { opacity: 1; pointer-events: auto; }

#map-container { position: absolute; inset: 0; background: #060a14; }
/* 只对瓦片层做反色处理，避免影响点位图标配色 */
#map-container .leaflet-tile-pane {
  filter: invert(1) hue-rotate(180deg) brightness(1.02) contrast(.98) saturate(.82);
}
#map-container .leaflet-container { background: #060a14; font-family: var(--font); }
#map-container .leaflet-control-container { display: none; }

.map-vignette {
  position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(ellipse at 50% 46%, rgba(0,0,0,0) 42%, rgba(4,7,15,.58) 100%);
}

/* —— 单校脉冲点位 —— */
.uni-marker { background: none; border: none; }
.uni-pulse {
  position: relative; display: block; width: 12px; height: 12px;
  border-radius: 50%; background: #7dd3fc;
  /* 亮度刻意压低：二维地图大量点位叠加时不会互相叠成白斑 */
  box-shadow: 0 0 0 2px rgba(125, 211, 252, .18), 0 0 8px rgba(56, 189, 248, .45);
  animation: uniPulse 2.2s ease-in-out infinite;
}
.uni-pulse::after {
  content: ''; position: absolute; left: 50%; top: 50%; width: 100%; height: 100%;
  border-radius: 50%; border: 1px solid rgba(125, 211, 252, .85);
  transform: translate(-50%, -50%);
  animation: uniRipple 2.2s ease-out infinite;
}
@keyframes uniPulse {
  0%, 100% { transform: scale(1); opacity: .92; }
  50% { transform: scale(1.12); opacity: 1; }
}
@keyframes uniRipple {
  0% { width: 100%; height: 100%; opacity: .9; }
  100% { width: 320%; height: 320%; opacity: 0; }
}
.uni-pulse.active {
  background: #fbbf24;
  box-shadow: 0 0 0 3px rgba(251, 191, 36, .35), 0 0 18px rgba(251, 191, 36, .95);
  animation: uniActive 1s ease-in-out infinite;
}
.uni-pulse.active::after { border-color: rgba(251, 191, 36, .9); }
@keyframes uniActive {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.35); }
}

/* —— 聚合点位 —— */
.uni-cluster {
  display: flex; align-items: center; justify-content: center;
  width: 34px; height: 34px; border-radius: 50%;
  background: radial-gradient(circle at 34% 30%, rgba(125, 211, 252, .95), rgba(12, 106, 140, .88));
  border: 1px solid rgba(125, 211, 252, .65);
  color: #e0f2fe; font-size: 12px; font-weight: 600; letter-spacing: .5px;
  box-shadow: 0 0 10px rgba(56, 189, 248, .30);
  transition: transform .18s;
}
.uni-cluster:hover { transform: scale(1.12); }

/* 地图点位气泡 */
.leaflet-tooltip.uni-tip {
  background: rgba(13, 20, 38, .94);
  border: 1px solid rgba(56, 189, 248, .38);
  color: var(--text); font-size: 12px; border-radius: 6px;
  padding: 3px 8px; box-shadow: 0 4px 18px rgba(0, 0, 0, .45);
}
.leaflet-tooltip.uni-tip::before { border-top-color: rgba(56, 189, 248, .38); }

/* 返回全球视图按钮 */
.back-globe {
  position: absolute; top: 72px; right: 28px; z-index: 20;
  padding: 8px 16px; border-radius: 20px; font-size: 12px; letter-spacing: 1px;
  background: rgba(13, 20, 38, .82); border: 1px solid var(--panel-border);
  color: var(--text); backdrop-filter: blur(10px);
  opacity: 0; pointer-events: none;
  transition: opacity .35s, border-color .2s, color .2s;
}
.back-globe.show { opacity: 1; pointer-events: auto; }
.back-globe:hover { border-color: var(--accent); color: var(--accent); }

/* 窄屏（≤1100px）压缩左侧面板宽度：
   地图始终把目标高校放在画面正中，卡片过宽会盖住中心点位 */
@media (max-width: 1100px) {
  .select-panel { left: 24px; width: 320px; padding: 20px; }
  .auth-card { left: 24px; width: 330px; padding: 24px 22px; }
}