/* ============================================================
   UserCenter · 用户中心样式 v3
   浅色 + 深色双主题 · 头像简化 · 精致化改版
   ============================================================ */

/* ---------- 主题变量：浅色 ---------- */
:root,
[data-uc-theme="light"] {
  --uc-bg:            #f4f6fb;
  --uc-bg-soft:       #eef2f8;
  --uc-sidebar-bg:    #ffffff;
  --uc-card-bg:       #ffffff;
  --uc-card-border:   #e8eef6;
  --uc-text:          #0f172a;
  --uc-text-soft:     #475569;
  --uc-text-muted:    #64748b;
  --uc-text-dim:      #94a3b8;
  --uc-primary:       #2563eb;
  --uc-primary-hover: #1d4ed8;
  --uc-primary-soft:  #eff6ff;
  --uc-purple:        #7c3aed;
  --uc-success:       #059669;
  --uc-danger:        #dc2626;
  --uc-warning:       #f59e0b;
  --uc-divider:       #eef2f7;
  --uc-divider-soft:  #f8fafc;
  --uc-hover:         #f8fafc;
  --uc-shadow-xs:     0 1px 2px rgba(15,23,42,.03);
  --uc-shadow-sm:     0 1px 3px rgba(15,23,42,.05), 0 1px 2px rgba(15,23,42,.03);
  --uc-shadow:        0 4px 14px rgba(15,23,42,.06);
  --uc-shadow-md:     0 10px 30px rgba(15,23,42,.09);
  --uc-shadow-lg:     0 20px 50px rgba(15,23,42,.14);
  --uc-gradient:      linear-gradient(135deg, #2563eb 0%, #7c3aed 100%);
  --uc-gradient-2:    linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
  --uc-gradient-soft: linear-gradient(135deg, #eff6ff 0%, #f5f3ff 100%);
  --uc-overlay:       rgba(15,23,42,.55);
}

/* ---------- 主题变量：深色 ---------- */
[data-uc-theme="dark"] {
  --uc-bg:            #0b1220;
  --uc-bg-soft:       #101a2d;
  --uc-sidebar-bg:    #111c30;
  --uc-card-bg:       #131f37;
  --uc-card-border:   #1e2d4a;
  --uc-text:          #e2e8f0;
  --uc-text-soft:     #b6c2d6;
  --uc-text-muted:    #8896ab;
  --uc-text-dim:      #5c6a82;
  --uc-primary:       #5b8dff;
  --uc-primary-hover: #7aa3ff;
  --uc-primary-soft:  #1a2740;
  --uc-purple:        #a78bfa;
  --uc-success:       #34d399;
  --uc-danger:        #f87171;
  --uc-warning:       #fbbf24;
  --uc-divider:       #1e2d4a;
  --uc-divider-soft:  #16233d;
  --uc-hover:         #182441;
  --uc-shadow-xs:     0 1px 2px rgba(0,0,0,.3);
  --uc-shadow-sm:     0 1px 3px rgba(0,0,0,.35);
  --uc-shadow:        0 4px 14px rgba(0,0,0,.35);
  --uc-shadow-md:     0 10px 30px rgba(0,0,0,.4);
  --uc-shadow-lg:     0 20px 50px rgba(0,0,0,.5);
  --uc-gradient:      linear-gradient(135deg, #3b6ee0 0%, #8b5cf6 100%);
  --uc-gradient-2:    linear-gradient(135deg, #4f6be8 0%, #9b6cf0 100%);
  --uc-gradient-soft: linear-gradient(135deg, #1a2740 0%, #221e40 100%);
  --uc-overlay:       rgba(0,0,0,.7);
}

/* ============================================================
   基础
   ============================================================ */
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }

body.uc-body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
               "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background: var(--uc-bg);
  color: var(--uc-text);
  font-size: 14.5px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background .3s, color .3s;
}

.uc-body a { color: var(--uc-primary); text-decoration: none; }
.uc-body img { max-width: 100%; display: block; }
.uc-body code {
  font-family: ui-monospace, Menlo, Consolas, monospace;
  background: var(--uc-bg-soft); color: var(--uc-purple);
  padding: 1px 6px; border-radius: 4px; font-size: 12.5px;
}

/* ★ 修复：强制覆盖主题对 a 标签及 button 的文字颜色修改 */
.uc-body a.uc-btn-primary,
.uc-body button.uc-btn-primary,
.uc-body a.uc-btn-danger,
.uc-body button.uc-btn-danger { 
  color: #fff !important; 
}
.uc-body a.uc-btn-primary:hover,
.uc-body button.uc-btn-primary:hover,
.uc-body a.uc-btn-danger:hover,
.uc-body button.uc-btn-danger:hover { 
  color: #fff !important; 
}

.uc-icon { display: inline-block; vertical-align: middle; flex-shrink: 0; }

/* ============================================================
   整体骨架 (桌面端独立滚动)
   ============================================================ */
.uc-shell { display: flex; min-height: 100vh; }

/* ============================================================
   侧边栏
   ============================================================ */
.uc-sidebar {
  width: 272px;
  flex-shrink: 0;
  background: var(--uc-sidebar-bg);
  border-right: 1px solid var(--uc-card-border);
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  z-index: 50;
  transition: transform .3s cubic-bezier(.2,.8,.2,1), background .3s, border-color .3s;
}
.uc-sidebar::-webkit-scrollbar { width: 5px; }
.uc-sidebar::-webkit-scrollbar-track { background: transparent; }
.uc-sidebar::-webkit-scrollbar-thumb {
  background: var(--uc-card-border); border-radius: 3px;
}
.uc-sidebar::-webkit-scrollbar-thumb:hover { background: var(--uc-text-dim); }

/* ---------- 品牌区 ---------- */
.uc-brand {
  padding: 20px 20px 18px;
  border-bottom: 1px solid var(--uc-divider);
}
.uc-brand-link {
  display: flex; align-items: center; gap: 11px;
  color: var(--uc-text); font-weight: 700; font-size: 15px;
  text-decoration: none;
}
.uc-brand-logo {
  width: 38px; height: 38px; border-radius: 11px;
  background: var(--uc-gradient);
  color: #fff; display: flex; align-items: center; justify-content: center;
  font-size: 17px; font-weight: 800;
  box-shadow: 0 6px 18px rgba(37,99,235,.35),
              inset 0 1px 0 rgba(255,255,255,.25);
  flex-shrink: 0;
  position: relative;
  overflow: hidden;
}
.uc-brand-logo::before {
  content: '';
  position: absolute;
  top: -50%; left: -50%;
  width: 200%; height: 200%;
  background: radial-gradient(circle at 30% 30%, rgba(255,255,255,.4), transparent 55%);
  pointer-events: none;
}
.uc-brand-name {
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  letter-spacing: .2px;
  background: linear-gradient(135deg, #0f172a, #334155);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
[data-uc-theme="dark"] .uc-brand-name {
  background: linear-gradient(135deg, #e2e8f0, #94a3b8);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ---------- 用户信息卡 ---------- */
.uc-profile-card {
  padding: 28px 20px 22px;
  border-bottom: 1px solid var(--uc-divider);
  text-align: center;
  position: relative;
}

/* 头像：用 box-shadow 做环，尺寸由内联控制 */
.uc-profile-avatar {
  position: relative;
  display: inline-block;
  line-height: 0;
  margin: 0 auto 18px;
}
.uc-profile-avatar .uc-avatar {
  box-shadow:
    0 0 0 3px var(--uc-sidebar-bg),
    0 0 0 6px rgba(99, 102, 241, .18),
    0 12px 28px rgba(99, 102, 241, .28);
}

/* Lv 徽章 */
.uc-profile-level {
  position: absolute;
  bottom: -4px;
  right: -10px;
  z-index: 2;
  background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
  color: #fff;
  font-size: 10.5px;
  font-weight: 800;
  padding: 3px 10px;
  border-radius: 20px;
  border: 2.5px solid var(--uc-sidebar-bg);
  box-shadow: 0 4px 12px rgba(124, 58, 237, .45);
  white-space: nowrap;
  letter-spacing: .3px;
  line-height: 1.35;
  font-variant-numeric: tabular-nums;
}

.uc-profile-name {
  font-size: 15.5px; font-weight: 700;
  color: var(--uc-text);
  margin-bottom: 8px;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  letter-spacing: -.01em;
}

.uc-profile-groups {
  display: flex; justify-content: center; flex-wrap: wrap; gap: 4px;
  margin-bottom: 16px;
  min-height: 20px;
}

/* 经验值 */
.uc-profile-exp { margin-bottom: 18px; }
.uc-profile-exp-bar {
  height: 5px;
  background: var(--uc-divider);
  border-radius: 3px; overflow: hidden; margin-bottom: 6px;
  position: relative;
}
.uc-profile-exp-bar span {
  display: block; height: 100%;
  background: var(--uc-gradient);
  border-radius: 3px;
  transition: width .5s cubic-bezier(.2,.8,.2,1);
  box-shadow: 0 0 10px rgba(37,99,235,.4);
}
.uc-profile-exp-text {
  font-size: 11px; color: var(--uc-text-dim);
  font-variant-numeric: tabular-nums;
  letter-spacing: .2px;
}

/* 三个数据 */
.uc-profile-stats {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 4px;
  background: var(--uc-bg-soft);
  border-radius: 12px;
  padding: 10px 6px;
}
.uc-profile-stat {
  display: flex; flex-direction: column; align-items: center;
  padding: 4px 4px;
  border-radius: 8px;
  transition: all .2s;
  text-decoration: none;
  position: relative;
}
.uc-profile-stat + .uc-profile-stat::before {
  content: '';
  position: absolute;
  left: -2px; top: 8px; bottom: 8px;
  width: 1px;
  background: var(--uc-divider);
}
.uc-profile-stat:hover {
  background: var(--uc-sidebar-bg);
  transform: translateY(-1px);
}
.uc-profile-stat strong {
  font-size: 16px; font-weight: 800;
  color: var(--uc-text);
  line-height: 1.15;
  font-variant-numeric: tabular-nums;
  letter-spacing: -.02em;
}
.uc-profile-stat:hover strong { color: var(--uc-primary); }
.uc-profile-stat span {
  font-size: 11px; color: var(--uc-text-dim);
  margin-top: 3px;
  letter-spacing: .3px;
}

/* ---------- 导航 ---------- */
.uc-nav { flex: 1; padding: 14px 12px; }
.uc-nav-section {
  padding: 14px 14px 6px;
  font-size: 10.5px;
  color: var(--uc-text-dim);
  text-transform: uppercase;
  letter-spacing: .12em;
  font-weight: 700;
}
.uc-nav-link {
  display: flex; align-items: center; gap: 11px;
  padding: 10px 14px;
  border-radius: 10px;
  color: var(--uc-text-soft);
  font-size: 13.5px;
  font-weight: 500;
  margin-bottom: 2px;
  position: relative;
  transition: all .18s;
  text-decoration: none;
}
.uc-nav-link:hover {
  background: var(--uc-hover);
  color: var(--uc-text);
  text-decoration: none;
}
.uc-nav-link.active {
  background: var(--uc-primary-soft);
  color: var(--uc-primary);
  font-weight: 600;
  box-shadow: inset 0 0 0 1px rgba(37,99,235,.08);
}
.uc-nav-link.active::before {
  content: '';
  position: absolute;
  left: -12px; top: 10px; bottom: 10px;
  width: 3px;
  background: var(--uc-primary);
  border-radius: 0 3px 3px 0;
  box-shadow: 0 0 8px rgba(37,99,235,.5);
}
.uc-nav-link .uc-icon { opacity: .85; transition: opacity .15s; }
.uc-nav-link.active .uc-icon { opacity: 1; }

.uc-nav-badge {
  margin-left: auto;
  min-width: 20px; height: 20px;
  padding: 0 7px;
  border-radius: 10px;
  background: var(--uc-danger);
  color: #fff;
  font-size: 11px; font-weight: 700;
  display: inline-flex; align-items: center; justify-content: center;
  line-height: 1;
  font-variant-numeric: tabular-nums;
  box-shadow: 0 2px 6px rgba(220,38,38,.3);
}

.uc-nav-logout { color: var(--uc-text-muted); }
.uc-nav-logout:hover {
  color: var(--uc-danger);
  background: rgba(220,38,38,.08);
}

/* ---------- 侧边栏底部 ---------- */
.uc-sidebar-footer {
  padding: 12px;
  border-top: 1px solid var(--uc-divider);
}
.uc-theme-toggle {
  display: flex; align-items: center; gap: 10px;
  width: 100%;
  padding: 10px 14px;
  border: 0;
  background: transparent;
  border-radius: 10px;
  color: var(--uc-text-muted);
  cursor: pointer;
  font-size: 13px;
  font-family: inherit;
  font-weight: 500;
  transition: all .15s;
}
.uc-theme-toggle:hover {
  background: var(--uc-hover);
  color: var(--uc-text);
}
.uc-theme-icon-dark { display: none; }
[data-uc-theme="dark"] .uc-theme-icon-light { display: none; }
[data-uc-theme="dark"] .uc-theme-icon-dark { display: inline-block; }

/* ============================================================
   主内容
   ============================================================ */
.uc-main {
  flex: 1;
  min-width: 0;
  padding: 32px 40px 70px;
  max-width: 1240px;
}

.uc-mobile-bar {
  display: none;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: var(--uc-card-bg);
  border: 1px solid var(--uc-card-border);
  border-radius: 14px;
  margin-bottom: 20px;
  box-shadow: var(--uc-shadow-sm);
}
.uc-menu-btn {
  width: 38px; height: 38px;
  border: 0; background: transparent;
  border-radius: 10px;
  display: inline-flex; align-items: center; justify-content: center;
  color: var(--uc-text);
  cursor: pointer;
  transition: background .15s;
  padding: 0;
}
.uc-menu-btn:hover { background: var(--uc-hover); }
.uc-mobile-title {
  flex: 1;
  font-size: 15px; font-weight: 700;
  color: var(--uc-text);
  text-align: center;
  letter-spacing: -.01em;
}
.uc-mobile-avatar { line-height: 0; }

.uc-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--uc-overlay);
  z-index: 40;
  opacity: 0;
  transition: opacity .25s;
  backdrop-filter: blur(2px);
}
.uc-overlay.show { display: block; opacity: 1; }

/* ============================================================
   页面标题栏
   ============================================================ */
.uc-page-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 26px;
  flex-wrap: wrap;
}
.uc-page-head h1 {
  margin: 0 0 4px;
  font-size: 27px;
  font-weight: 800;
  color: var(--uc-text);
  letter-spacing: -.025em;
  line-height: 1.2;
  background: linear-gradient(135deg, var(--uc-text) 0%, var(--uc-text-soft) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.uc-page-sub {
  margin: 0;
  font-size: 13.5px;
  color: var(--uc-text-muted);
}
.uc-page-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

/* ============================================================
   卡片
   ============================================================ */
.uc-card {
  background: var(--uc-card-bg);
  border: 1px solid var(--uc-card-border);
  border-radius: 16px;
  padding: 24px 26px;
  margin-bottom: 20px;
  box-shadow: var(--uc-shadow-sm);
  transition: background .3s, border-color .3s, box-shadow .25s;
}
.uc-card:hover { box-shadow: var(--uc-shadow); }
.uc-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--uc-divider);
}
.uc-card-head h3 {
  margin: 0;
  font-size: 15.5px;
  font-weight: 700;
  color: var(--uc-text);
  letter-spacing: -.01em;
  display: flex;
  align-items: center;
  gap: 10px;
}
.uc-card-head h3::before {
  content: '';
  width: 4px; height: 16px;
  background: var(--uc-gradient);
  border-radius: 2px;
  box-shadow: 0 0 8px rgba(37,99,235,.3);
}
.uc-card-more {
  font-size: 12.5px;
  color: var(--uc-primary);
  font-weight: 500;
  padding: 4px 12px;
  border-radius: 8px;
  transition: all .15s;
}
.uc-card-more:hover { background: var(--uc-primary-soft); }

/* ============================================================
   Hero 卡片
   ============================================================ */
.uc-hero {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  margin-bottom: 24px;
  color: #fff;
  box-shadow: 0 20px 45px rgba(37,99,235,.22);
}
.uc-hero-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #2563eb 0%, #6366f1 45%, #7c3aed 100%);
}
.uc-hero-bg::before,
.uc-hero-bg::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
}
.uc-hero-bg::before {
  top: -120px; right: -80px;
  width: 340px; height: 340px;
  background: radial-gradient(circle, rgba(168,85,247,.7), transparent 65%);
  filter: blur(30px);
}
.uc-hero-bg::after {
  bottom: -140px; left: 15%;
  width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(59,130,246,.7), transparent 65%);
  filter: blur(30px);
}

.uc-hero-inner {
  position: relative;
  padding: 34px 38px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  flex-wrap: wrap;
}
.uc-hero-inner::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.06) 1px, transparent 1px);
  background-size: 28px 28px;
  pointer-events: none;
  mask-image: radial-gradient(circle at 30% 50%, #000 0%, transparent 70%);
  -webkit-mask-image: radial-gradient(circle at 30% 50%, #000 0%, transparent 70%);
}
.uc-hero-left {
  display: flex;
  align-items: center;
  gap: 22px;
  min-width: 0;
  position: relative;
  z-index: 1;
}

/* Hero 头像：双层白环 */
.uc-hero-avatar {
  position: relative;
  display: inline-block;
  line-height: 0;
  flex-shrink: 0;
}
.uc-hero-avatar .uc-avatar {
  box-shadow:
    0 0 0 3px rgba(255, 255, 255, .95),
    0 0 0 6px rgba(255, 255, 255, .28),
    0 14px 32px rgba(0, 0, 0, .28);
}

.uc-hero-info { min-width: 0; }
.uc-hero-info h2 {
  margin: 0 0 10px;
  font-size: 24px;
  font-weight: 800;
  letter-spacing: -.02em;
  line-height: 1.15;
  text-shadow: 0 2px 8px rgba(0,0,0,.15);
}
.uc-hero-badges {
  display: flex; gap: 6px; flex-wrap: wrap;
  margin-bottom: 12px;
}
.uc-hero-meta {
  font-size: 13px;
  color: rgba(255,255,255,.85);
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}
.uc-hero-meta strong {
  color: #fff; font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.uc-hero-right {
  flex-shrink: 0;
  position: relative;
  z-index: 1;
}
.uc-hero-signin {
  background: rgba(255,255,255,.14);
  border: 1px solid rgba(255,255,255,.22);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  border-radius: 16px;
  padding: 18px 22px;
  min-width: 220px;
  text-align: center;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.25);
}
.uc-signin-btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 11px 26px;
  background: #fff;
  color: #2563eb;
  border: 0;
  border-radius: 11px;
  font-size: 14.5px;
  font-weight: 700;
  font-family: inherit;
  cursor: pointer;
  transition: all .2s;
  box-shadow: 0 8px 20px rgba(0,0,0,.18),
              inset 0 -1px 0 rgba(0,0,0,.05);
  letter-spacing: .2px;
}
.uc-signin-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(0,0,0,.25);
}
.uc-signin-btn:active { transform: translateY(0); }
.uc-signin-hint {
  font-size: 11.5px;
  color: rgba(255,255,255,.75);
  margin-top: 10px;
  letter-spacing: .2px;
}
.uc-signin-done {
  display: flex; align-items: center; gap: 12px;
  text-align: left;
}
.uc-signin-done svg {
  flex-shrink: 0;
  width: 28px; height: 28px;
  color: #4ade80;
  filter: drop-shadow(0 2px 6px rgba(74,222,128,.5));
}
.uc-signin-done strong {
  display: block;
  font-size: 14px;
  color: #fff;
  margin-bottom: 2px;
}
.uc-signin-done span {
  font-size: 12px;
  color: rgba(255,255,255,.8);
}

/* ============================================================
   统计卡片网格
   ============================================================ */
.uc-stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 14px;
  margin-bottom: 24px;
}
.uc-stat-card {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px 20px;
  background: var(--uc-card-bg);
  border: 1px solid var(--uc-card-border);
  border-radius: 14px;
  text-decoration: none;
  color: inherit;
  transition: all .25s cubic-bezier(.2,.8,.2,1);
  box-shadow: var(--uc-shadow-xs);
  position: relative;
  overflow: hidden;
}
.uc-stat-card::before {
  content: '';
  position: absolute;
  left: 0; top: 14px; bottom: 14px;
  width: 3px;
  border-radius: 0 3px 3px 0;
  background: var(--uc-gradient);
  opacity: 0;
  transform: scaleY(.3);
  transition: all .25s;
}
.uc-stat-card:hover {
  transform: translateY(-3px);
  border-color: rgba(37,99,235,.25);
  box-shadow: 0 12px 28px rgba(37,99,235,.12);
}
.uc-stat-card:hover::before {
  opacity: 1;
  transform: scaleY(1);
}
.uc-stat-icon {
  width: 46px; height: 46px;
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.5);
}
.uc-stat-icon .uc-icon { width: 20px; height: 20px; }
.uc-stat-body { min-width: 0; }
.uc-stat-num {
  font-size: 24px;
  font-weight: 800;
  color: var(--uc-text);
  line-height: 1.1;
  letter-spacing: -.03em;
  font-variant-numeric: tabular-nums;
}
.uc-stat-label {
  font-size: 12.5px;
  color: var(--uc-text-dim);
  margin-top: 4px;
  letter-spacing: .2px;
}

/* ============================================================
   仪表盘 2 栏
   ============================================================ */
.uc-dash-2col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 20px;
}
.uc-dash-2col > .uc-card { margin-bottom: 0; }

/* ============================================================
   签到概览
   ============================================================ */
.uc-signin-overview {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}
.uc-signin-stat {
  text-align: center;
  padding: 16px 8px;
  border-radius: 12px;
  background: var(--uc-bg-soft);
  transition: all .25s;
  position: relative;
  overflow: hidden;
  border: 1px solid transparent;
}
.uc-signin-stat::before {
  content: '';
  position: absolute;
  top: 0; left: 20%; right: 20%;
  height: 2px;
  border-radius: 2px;
  background: var(--uc-gradient);
  opacity: .5;
}
.uc-signin-stat:hover {
  background: var(--uc-primary-soft);
  border-color: rgba(37,99,235,.15);
  transform: translateY(-2px);
}
.uc-signin-stat-num {
  font-size: 26px;
  font-weight: 800;
  color: var(--uc-text);
  letter-spacing: -.03em;
  line-height: 1.1;
  font-variant-numeric: tabular-nums;
}
.uc-signin-stat-label {
  font-size: 11.5px;
  color: var(--uc-text-dim);
  margin-top: 6px;
  letter-spacing: .3px;
}

/* ============================================================
   快捷入口
   ============================================================ */
.uc-quick-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}
.uc-quick-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 18px 8px;
  border-radius: 12px;
  background: var(--uc-bg-soft);
  text-decoration: none;
  color: var(--uc-text-soft);
  font-size: 12.5px;
  font-weight: 500;
  transition: all .25s cubic-bezier(.2,.8,.2,1);
  border: 1px solid transparent;
  position: relative;
}
.uc-quick-item .uc-icon {
  width: 22px; height: 22px;
  padding: 10px;
  box-sizing: content-box;
  border-radius: 12px;
  background: var(--uc-card-bg);
  color: var(--uc-primary);
  box-shadow: 0 2px 8px rgba(37,99,235,.08),
              inset 0 1px 0 rgba(255,255,255,.5);
  transition: all .25s;
}
.uc-quick-item:hover {
  background: var(--uc-primary-soft);
  color: var(--uc-primary);
  border-color: rgba(37,99,235,.18);
  transform: translateY(-3px);
  box-shadow: 0 10px 24px rgba(37,99,235,.1);
}
.uc-quick-item:hover .uc-icon {
  background: var(--uc-gradient);
  color: #fff;
  box-shadow: 0 8px 20px rgba(37,99,235,.35);
  transform: scale(1.05);
}

/* ============================================================
   消息列表
   ============================================================ */
.uc-msg-list { display: flex; flex-direction: column; }
.uc-msg-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border-radius: 10px;
  text-decoration: none;
  color: inherit;
  transition: all .15s;
}
.uc-msg-item:hover { background: var(--uc-hover); }
.uc-msg-item.unread .uc-msg-dot {
  background: var(--uc-primary);
  box-shadow: 0 0 0 4px rgba(37,99,235,.15);
}
.uc-msg-item.unread .uc-msg-title {
  color: var(--uc-text);
  font-weight: 600;
}
.uc-msg-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--uc-divider);
  flex-shrink: 0;
  transition: all .2s;
}
.uc-msg-body { min-width: 0; flex: 1; }
.uc-msg-title {
  font-size: 13.5px;
  color: var(--uc-text-soft);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  margin-bottom: 3px;
}
.uc-msg-time {
  font-size: 11.5px;
  color: var(--uc-text-dim);
}

/* 完整版消息 */
.uc-msg-full-list { display: flex; flex-direction: column; }
.uc-msg-full {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px 4px;
  border-bottom: 1px solid var(--uc-divider);
  transition: background .15s;
  position: relative;
}
.uc-msg-full:last-child { border-bottom: 0; }
.uc-msg-full.unread {
  background: var(--uc-primary-soft);
  border-radius: 12px;
  padding: 14px 16px;
  margin: 4px 0;
  border-bottom-color: transparent;
}
.uc-msg-full.unread::before {
  content: '';
  position: absolute;
  left: 0; top: 50%;
  transform: translateY(-50%);
  width: 3px; height: 60%;
  background: var(--uc-primary);
  border-radius: 0 3px 3px 0;
  box-shadow: 0 0 8px rgba(37,99,235,.5);
}
.uc-msg-full-icon {
  width: 42px; height: 42px;
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.uc-msg-full-body { flex: 1; min-width: 0; }
.uc-msg-full-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--uc-text);
  margin-bottom: 4px;
  display: flex; align-items: center; gap: 8px;
  flex-wrap: wrap;
}
.uc-msg-new {
  font-size: 10px; font-weight: 700;
  color: #fff;
  background: var(--uc-danger);
  padding: 2px 7px; border-radius: 5px;
  letter-spacing: .06em;
  box-shadow: 0 2px 6px rgba(220,38,38,.3);
}
.uc-msg-full-content {
  font-size: 13px;
  color: var(--uc-text-muted);
  line-height: 1.65;
  margin-bottom: 8px;
  word-break: break-word;
}
.uc-msg-full-meta {
  display: flex;
  gap: 14px;
  font-size: 12px;
  color: var(--uc-text-dim);
  flex-wrap: wrap;
}
.uc-msg-full-meta a { font-weight: 500; }
.uc-msg-full-actions {
  display: flex; gap: 4px;
  flex-shrink: 0;
}
.uc-msg-full-actions a {
  width: 32px; height: 32px;
  border-radius: 8px;
  display: inline-flex; align-items: center; justify-content: center;
  color: var(--uc-text-dim);
  transition: all .15s;
}
.uc-msg-full-actions a:hover {
  background: var(--uc-hover);
  color: var(--uc-text);
}
.uc-msg-full-actions a.danger:hover {
  background: rgba(220,38,38,.1);
  color: var(--uc-danger);
}

/* ============================================================
   文章简列表
   ============================================================ */
.uc-post-mini-list { display: flex; flex-direction: column; }
.uc-post-mini {
  display: block;
  padding: 12px 14px;
  border-radius: 10px;
  text-decoration: none;
  color: inherit;
  transition: all .18s;
}
.uc-post-mini:hover { background: var(--uc-hover); padding-left: 18px; }
.uc-post-mini-title {
  font-size: 13.5px;
  font-weight: 600;
  color: var(--uc-text);
  margin-bottom: 5px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  transition: color .15s;
}
.uc-post-mini:hover .uc-post-mini-title { color: var(--uc-primary); }
.uc-post-mini-meta {
  display: flex; gap: 14px;
  font-size: 11.5px;
  color: var(--uc-text-dim);
}

/* ============================================================
   完整文章列表
   ============================================================ */
.uc-post-list { display: flex; flex-direction: column; }
.uc-post-item {
  display: block;
  padding: 18px 4px;
  border-bottom: 1px solid var(--uc-divider);
  text-decoration: none;
  color: inherit;
  transition: padding .2s;
  position: relative;
}
.uc-post-item:last-child { border-bottom: 0; }
.uc-post-item:hover { padding-left: 14px; }
.uc-post-item:hover::before {
  content: '';
  position: absolute;
  left: 0; top: 50%;
  transform: translateY(-50%);
  width: 3px; height: 40%;
  background: var(--uc-gradient);
  border-radius: 2px;
}
.uc-post-item-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--uc-text);
  margin-bottom: 7px;
  transition: color .15s;
  display: flex; align-items: center; gap: 8px;
  flex-wrap: wrap;
  letter-spacing: -.005em;
}
.uc-post-item:hover .uc-post-item-title { color: var(--uc-primary); }
.uc-post-item-meta {
  display: flex; gap: 16px;
  font-size: 12.5px;
  color: var(--uc-text-dim);
}

/* ============================================================
   评论列表
   ============================================================ */
.uc-comment-list { display: flex; flex-direction: column; }
.uc-comment-item {
  padding: 18px 4px;
  border-bottom: 1px solid var(--uc-divider);
}
.uc-comment-item:last-child { border-bottom: 0; }
.uc-comment-head {
  display: flex; gap: 12px; align-items: center;
  flex-wrap: wrap;
  margin-bottom: 10px;
}
.uc-comment-time {
  font-size: 12.5px;
  color: var(--uc-text-dim);
}
.uc-comment-log {
  font-size: 12.5px;
  color: var(--uc-primary);
  font-weight: 500;
}
.uc-comment-body {
  font-size: 13.5px;
  color: var(--uc-text-soft);
  line-height: 1.75;
  word-break: break-word;
  padding-left: 14px;
  border-left: 3px solid var(--uc-divider);
}

/* ============================================================
   收藏网格
   ============================================================ */
.uc-fav-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
  gap: 16px;
}
.uc-fav-card {
  background: var(--uc-card-bg);
  border: 1px solid var(--uc-card-border);
  border-radius: 14px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: all .28s cubic-bezier(.2,.8,.2,1);
  box-shadow: var(--uc-shadow-xs);
}
.uc-fav-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--uc-shadow-md);
  border-color: rgba(37,99,235,.2);
}
.uc-fav-cover {
  display: block;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--uc-bg-soft);
  position: relative;
}
.uc-fav-cover img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .5s cubic-bezier(.2,.8,.2,1);
}
.uc-fav-card:hover .uc-fav-cover img { transform: scale(1.08); }
.uc-fav-body {
  padding: 16px 18px 16px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.uc-fav-title {
  font-size: 14.5px;
  font-weight: 600;
  color: var(--uc-text);
  line-height: 1.5;
  margin-bottom: 10px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: color .15s;
  text-decoration: none;
  letter-spacing: -.005em;
}
.uc-fav-title:hover { color: var(--uc-primary); }
.uc-fav-meta {
  display: flex; gap: 12px;
  font-size: 11.5px;
  color: var(--uc-text-dim);
  margin-bottom: 12px;
}
.uc-fav-foot {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px dashed var(--uc-divider);
}
.uc-fav-time {
  font-size: 11.5px;
  color: var(--uc-text-dim);
}
.uc-fav-remove {
  font-size: 11.5px;
  color: var(--uc-text-muted);
  padding: 3px 10px;
  border-radius: 6px;
  transition: all .15s;
  font-weight: 500;
}
.uc-fav-remove:hover {
  background: rgba(220,38,38,.1);
  color: var(--uc-danger);
}

/* ============================================================
   用户网格（关注 / 粉丝）
   ============================================================ */
.uc-user-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 14px;
}
.uc-user-card {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  background: var(--uc-bg-soft);
  border: 1px solid var(--uc-card-border);
  border-radius: 14px;
  transition: all .22s;
}
.uc-user-card:hover {
  border-color: rgba(37,99,235,.25);
  box-shadow: var(--uc-shadow);
  transform: translateY(-2px);
  background: var(--uc-card-bg);
}

/* 用户列表头像：渐变外环 */
.uc-user-avatar {
  flex-shrink: 0;
  line-height: 0;
  border-radius: 50%;
  padding: 3px;
  background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
  box-shadow: 0 6px 16px rgba(37, 99, 235, .22);
}
.uc-user-avatar .uc-avatar {
  border: 2px solid var(--uc-card-bg);
  border-radius: 50%;
}

.uc-user-info {
  flex: 1;
  min-width: 0;
}
.uc-user-name {
  display: block;
  font-size: 14.5px;
  font-weight: 700;
  color: var(--uc-text);
  margin-bottom: 3px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  text-decoration: none;
  letter-spacing: -.005em;
}
.uc-user-name:hover { color: var(--uc-primary); }
.uc-user-sub {
  font-size: 12px;
  color: var(--uc-text-dim);
  margin-bottom: 6px;
}
.uc-user-badges {
  display: flex; gap: 4px; flex-wrap: wrap;
}
.uc-user-action { flex-shrink: 0; }

/* ============================================================
   签到页
   ============================================================ */
.uc-signin-page {
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: 20px;
  align-items: start;
}
.uc-signin-page .uc-card { margin-bottom: 0; }

.uc-signin-panel {
  background: linear-gradient(135deg, #2563eb 0%, #6366f1 50%, #7c3aed 100%);
  border: 0;
  color: #fff;
  position: relative;
  overflow: hidden;
  box-shadow: 0 20px 45px rgba(37,99,235,.25);
}
.uc-signin-panel::before {
  content: '';
  position: absolute;
  top: -100px; right: -80px;
  width: 280px; height: 280px;
  background: radial-gradient(circle, rgba(255,255,255,.2), transparent 60%);
  border-radius: 50%;
  pointer-events: none;
}
.uc-signin-panel::after {
  content: '';
  position: absolute;
  bottom: -120px; left: -60px;
  width: 240px; height: 240px;
  background: radial-gradient(circle, rgba(255,255,255,.15), transparent 60%);
  border-radius: 50%;
  pointer-events: none;
}
.uc-signin-main {
  position: relative;
  text-align: center;
  padding: 14px 0 28px;
  z-index: 1;
}
.uc-signin-main-icon {
  font-size: 52px;
  margin-bottom: 14px;
  line-height: 1;
  filter: drop-shadow(0 4px 12px rgba(0,0,0,.2));
}
.uc-signin-main h2 {
  margin: 0 0 10px;
  font-size: 21px;
  font-weight: 800;
  color: #fff;
  letter-spacing: -.015em;
  text-shadow: 0 2px 8px rgba(0,0,0,.15);
}
.uc-signin-main-sub {
  font-size: 13.5px;
  color: rgba(255,255,255,.85);
  margin: 0 0 22px;
}
.uc-signin-main-sub strong {
  color: #fff;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}
.uc-signin-big-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 36px;
  background: #fff;
  color: #2563eb;
  border: 0;
  border-radius: 12px;
  font-size: 15px;
  font-weight: 700;
  font-family: inherit;
  cursor: pointer;
  transition: all .2s;
  box-shadow: 0 12px 28px rgba(0,0,0,.22),
              inset 0 -1px 0 rgba(0,0,0,.06);
  letter-spacing: .2px;
}
.uc-signin-big-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 36px rgba(0,0,0,.3);
}
.uc-signin-credit {
  display: inline-block;
  padding: 11px 24px;
  background: rgba(255,255,255,.16);
  border: 1px solid rgba(255,255,255,.25);
  border-radius: 12px;
  font-size: 13.5px;
  color: rgba(255,255,255,.9);
  backdrop-filter: blur(8px);
}
.uc-signin-credit strong {
  color: #fff;
  font-size: 17px;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  letter-spacing: -.02em;
}

.uc-signin-stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  position: relative;
  z-index: 1;
}
.uc-signin-stat-item {
  text-align: center;
  padding: 14px 6px;
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.15);
  border-radius: 12px;
  backdrop-filter: blur(8px);
}
.uc-signin-stat-item-num {
  font-size: 22px;
  font-weight: 800;
  color: #fff;
  line-height: 1.1;
  font-variant-numeric: tabular-nums;
  letter-spacing: -.02em;
}
.uc-signin-stat-item-label {
  font-size: 11px;
  color: rgba(255,255,255,.78);
  margin-top: 5px;
  letter-spacing: .3px;
}

/* ---------- 日历 ---------- */
.uc-cal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}
.uc-cal-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--uc-text);
  letter-spacing: -.01em;
  font-variant-numeric: tabular-nums;
}
.uc-cal-nav {
  width: 36px; height: 36px;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: 10px;
  font-size: 20px;
  color: var(--uc-text-muted);
  background: var(--uc-bg-soft);
  transition: all .18s;
  text-decoration: none;
  line-height: 1;
  font-weight: 400;
}
.uc-cal-nav:hover {
  background: var(--uc-primary-soft);
  color: var(--uc-primary);
  transform: scale(1.08);
}

.uc-cal-week {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 4px;
  margin-bottom: 8px;
}
.uc-cal-week span {
  text-align: center;
  font-size: 11.5px;
  font-weight: 600;
  color: var(--uc-text-dim);
  padding: 4px 0;
  letter-spacing: .05em;
}

.uc-cal-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 4px;
  margin-bottom: 18px;
}
.uc-cal-cell {
  position: relative;
  aspect-ratio: 1;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  color: var(--uc-text-soft);
  background: var(--uc-bg-soft);
  transition: all .2s;
  font-variant-numeric: tabular-nums;
  cursor: default;
}
.uc-cal-cell.empty { background: transparent; }
.uc-cal-cell.signed {
  background: var(--uc-gradient);
  color: #fff;
  font-weight: 700;
  box-shadow: 0 4px 12px rgba(37,99,235,.3);
}
.uc-cal-cell.today {
  box-shadow: 0 0 0 2px var(--uc-primary), 0 4px 12px rgba(37,99,235,.25);
}
.uc-cal-cell.today:not(.signed) {
  background: var(--uc-primary-soft);
  color: var(--uc-primary);
  font-weight: 700;
}
.uc-cal-day { line-height: 1; }
.uc-cal-mark {
  position: absolute;
  bottom: 2px;
  font-size: 8px;
  opacity: .9;
}

.uc-cal-legend {
  display: flex;
  gap: 18px;
  justify-content: center;
  padding-top: 16px;
  border-top: 1px solid var(--uc-divider);
  font-size: 12px;
  color: var(--uc-text-muted);
  flex-wrap: wrap;
}
.uc-cal-legend > span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.uc-cal-dot {
  width: 10px; height: 10px;
  border-radius: 3px;
  background: var(--uc-bg-soft);
  display: inline-block;
}
.uc-cal-dot.signed { background: var(--uc-gradient); }
.uc-cal-dot.today {
  background: var(--uc-primary-soft);
  box-shadow: 0 0 0 2px var(--uc-primary);
}

/* ============================================================
   登录日志
   ============================================================ */
.uc-log-table { display: flex; flex-direction: column; }
.uc-log-row {
  display: grid;
  grid-template-columns: 1.1fr 1fr 1.4fr;
  gap: 14px;
  padding: 14px 4px;
  border-bottom: 1px solid var(--uc-divider);
  font-size: 13px;
  color: var(--uc-text-soft);
  align-items: center;
  transition: background .15s;
}
.uc-log-row:last-child { border-bottom: 0; }
.uc-log-row.head {
  font-size: 11.5px;
  font-weight: 700;
  color: var(--uc-text-dim);
  text-transform: uppercase;
  letter-spacing: .1em;
  padding-bottom: 10px;
}
.uc-log-row:not(.head):hover {
  background: var(--uc-hover);
  border-radius: 8px;
  padding-left: 12px;
  padding-right: 12px;
}
.uc-log-cur {
  font-size: 10px;
  font-style: normal;
  font-weight: 700;
  background: var(--uc-success);
  color: #fff;
  padding: 2px 8px;
  border-radius: 5px;
  margin-left: 6px;
  letter-spacing: .3px;
  box-shadow: 0 2px 6px rgba(5,150,105,.3);
}

/* ============================================================
   头像页
   ============================================================ */
.uc-avatar-page {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 28px;
  padding: 14px 0 24px;
}
.uc-avatar-preview {
  position: relative;
  line-height: 0;
  padding: 4px;
  border-radius: 50%;
  background: var(--uc-gradient);
  box-shadow: 0 16px 40px rgba(37,99,235,.25);
}
.uc-avatar-preview .uc-avatar {
  border: 4px solid var(--uc-card-bg);
  background: #fff;
}
.uc-avatar-form {
  width: 100%;
  max-width: 520px;
}
.uc-dropzone {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 36px 24px;
  border: 2px dashed var(--uc-card-border);
  border-radius: 16px;
  background: var(--uc-bg-soft);
  color: var(--uc-text-muted);
  cursor: pointer;
  transition: all .25s;
  text-align: center;
}
.uc-dropzone:hover,
.uc-dropzone.dragover {
  border-color: var(--uc-primary);
  background: var(--uc-primary-soft);
  color: var(--uc-primary);
  transform: scale(1.01);
}
.uc-dropzone svg {
  color: var(--uc-text-dim);
  transition: all .25s;
}
.uc-dropzone:hover svg,
.uc-dropzone.dragover svg {
  color: var(--uc-primary);
  transform: translateY(-3px);
}
.uc-dropzone-title {
  margin: 6px 0 0;
  font-size: 14px;
  font-weight: 600;
  color: var(--uc-text);
}
.uc-dropzone-hint {
  margin: 0;
  font-size: 12px;
  color: var(--uc-text-dim);
}

/* ============================================================
   表单
   ============================================================ */
.uc-form { width: 100%; }
.uc-form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px 22px;
  margin-bottom: 16px;
}
.uc-form-item {
  margin-bottom: 14px;
  min-width: 0;
}
.uc-form-item.full,
.uc-form-item.ug-form-item-full { grid-column: 1 / -1; }

.uc-form-item label {
  display: block;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--uc-text-muted);
  margin-bottom: 7px;
  letter-spacing: .2px;
}
.uc-form-item input[type=text],
.uc-form-item input[type=email],
.uc-form-item input[type=password],
.uc-form-item input[type=url],
.uc-form-item input[type=number],
.uc-form-item input[type=tel],
.uc-form-item select,
.uc-form-item textarea {
  display: block;
  width: 100%;
  padding: 11px 15px;
  border: 1px solid var(--uc-card-border);
  border-radius: 10px;
  font-size: 14px;
  font-family: inherit;
  color: var(--uc-text);
  background: var(--uc-card-bg);
  transition: all .18s;
  box-sizing: border-box;
  line-height: 1.5;
}
.uc-form-item input:hover,
.uc-form-item select:hover,
.uc-form-item textarea:hover {
  border-color: var(--uc-text-dim);
}
.uc-form-item input:focus,
.uc-form-item select:focus,
.uc-form-item textarea:focus {
  outline: 0;
  border-color: var(--uc-primary);
  box-shadow: 0 0 0 4px rgba(37,99,235,.12);
}
.uc-form-item input:disabled {
  background: var(--uc-bg-soft);
  color: var(--uc-text-dim);
  cursor: not-allowed;
}
.uc-form-item textarea {
  resize: vertical;
  min-height: 100px;
  line-height: 1.7;
}
.uc-form-item select {
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 40px;
  cursor: pointer;
}
.uc-form-hint {
  font-size: 11.5px;
  color: var(--uc-text-dim);
  margin: 7px 0 0;
  line-height: 1.6;
}
.uc-form-actions {
  display: flex;
  gap: 10px;
  padding-top: 14px;
  margin-top: 6px;
}

/* ============================================================
   按钮
   ============================================================ */
.uc-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  height: 44px;
  padding: 0 24px;
  border: 0;
  border-radius: 11px;
  font-size: 14px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: all .2s;
  text-decoration: none;
  white-space: nowrap;
  line-height: 1;
  letter-spacing: .2px;
}
.uc-btn-primary {
  background: var(--uc-gradient);
  color: #fff;
  box-shadow: 0 6px 18px rgba(37,99,235,.3),
              inset 0 -1px 0 rgba(0,0,0,.08);
}
.uc-btn-primary:hover {
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 10px 26px rgba(37,99,235,.4);
  text-decoration: none;
}
.uc-btn-outline {
  background: var(--uc-card-bg);
  color: var(--uc-text-soft);
  border: 1px solid var(--uc-card-border);
}
.uc-btn-outline:hover {
  color: var(--uc-primary);
  border-color: var(--uc-primary);
  background: var(--uc-primary-soft);
  text-decoration: none;
  transform: translateY(-1px);
}
.uc-btn-danger {
  background: var(--uc-danger);
  color: #fff;
  box-shadow: 0 4px 14px rgba(220,38,38,.25);
}
.uc-btn-danger:hover {
  color: #fff;
  filter: brightness(.93);
  text-decoration: none;
  transform: translateY(-1px);
}
.uc-btn-sm {
  height: 36px;
  padding: 0 16px;
  font-size: 12.5px;
  border-radius: 9px;
}

/* ============================================================
   徽章 / 标签
   ============================================================ */
.uc-badge {
  display: inline-block;
  padding: 3px 11px;
  border-radius: 11px;
  font-size: 11.5px;
  font-weight: 700;
  line-height: 1.6;
  color: #fff;
  letter-spacing: .2px;
}
.uc-badge-gray { background: #94a3b8; }
.uc-badge-level {
  background: linear-gradient(135deg, #fbbf24, #f59e0b);
  color: #fff;
  box-shadow: 0 2px 8px rgba(245,158,11,.35);
}
.uc-badge-admin {
  background: linear-gradient(135deg, #ef4444, #dc2626);
  color: #fff;
  box-shadow: 0 2px 8px rgba(220,38,38,.3);
}
.uc-tag {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 600;
  background: var(--uc-bg-soft);
  color: var(--uc-text-muted);
  margin-left: 6px;
}
.uc-tag-orange {
  background: #fff7ed;
  color: #ea580c;
}

/* ============================================================
   通用头像（核心）
   ★ 尺寸完全由内联 width/height 决定，CSS 不再覆盖
   ============================================================ */
.uc-avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  overflow: hidden;
  flex-shrink: 0;
  color: #fff;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.02em;
  text-align: center;
  box-sizing: border-box;
  background: #94a3b8;
  user-select: none;
  vertical-align: middle;
  position: relative;
}
.uc-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.uc-avatar-text {
  text-shadow: 0 1px 3px rgba(0, 0, 0, .2);
}
.uc-avatar-img {
  background: #f1f5f9;
}

/* ============================================================
   提示条 / 空状态
   ============================================================ */
.uc-flash {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 20px;
  border-radius: 12px;
  font-size: 13.5px;
  font-weight: 500;
  margin-bottom: 20px;
  animation: ucFlashIn .35s cubic-bezier(.2,.8,.2,1);
}
.uc-flash.ok {
  background: rgba(5,150,105,.1);
  color: var(--uc-success);
  border: 1px solid rgba(5,150,105,.22);
}
.uc-flash.err {
  background: rgba(220,38,38,.08);
  color: var(--uc-danger);
  border: 1px solid rgba(220,38,38,.2);
}
.uc-flash svg { flex-shrink: 0; }
@keyframes ucFlashIn {
  from { opacity: 0; transform: translateY(-8px); }
  to   { opacity: 1; transform: translateY(0); }
}

.uc-empty {
  text-align: center;
  padding: 56px 20px;
  color: var(--uc-text-dim);
  font-size: 14px;
}
.uc-empty-icon {
  font-size: 52px;
  margin-bottom: 16px;
  line-height: 1;
  opacity: .55;
}
.uc-empty p { margin: 0 0 20px; }

.uc-empty-mini {
  text-align: center;
  padding: 28px 12px;
  font-size: 13px;
  color: var(--uc-text-dim);
}

/* ============================================================
   分页
   ============================================================ */
.uc-pagination {
  display: flex;
  justify-content: center;
  gap: 5px;
  flex-wrap: wrap;
  margin-top: 26px;
}
.uc-pagination a,
.uc-pagination span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 38px;
  height: 38px;
  padding: 0 12px;
  border-radius: 9px;
  background: var(--uc-card-bg);
  border: 1px solid var(--uc-card-border);
  color: var(--uc-text-soft);
  font-size: 13.5px;
  text-decoration: none;
  transition: all .18s;
  font-variant-numeric: tabular-nums;
}
.uc-pagination a:hover {
  border-color: var(--uc-primary);
  color: var(--uc-primary);
  background: var(--uc-primary-soft);
  transform: translateY(-1px);
  text-decoration: none;
}
.uc-pagination .current {
  background: var(--uc-gradient);
  color: #fff;
  border-color: transparent;
  box-shadow: 0 6px 16px rgba(37,99,235,.3);
}

/* ============================================================
   未登录 / 关闭提示
   ============================================================ */
.uc-disabled,
.uc-login-required {
  max-width: 440px;
  margin: 90px auto;
  background: var(--uc-card-bg);
  border: 1px solid var(--uc-card-border);
  border-radius: 22px;
  padding: 52px 40px;
  text-align: center;
  box-shadow: var(--uc-shadow-md);
}
.uc-login-icon {
  font-size: 56px;
  margin-bottom: 20px;
  line-height: 1;
}
.uc-login-required h2 {
  margin: 0 0 12px;
  font-size: 21px;
  font-weight: 700;
  color: var(--uc-text);
}
.uc-login-required p {
  color: var(--uc-text-muted);
  font-size: 14px;
  margin: 0 0 26px;
}
.uc-disabled {
  font-size: 15px;
  color: var(--uc-text-muted);
  padding: 64px 24px;
}

/* ============================================================
   设置页
   ============================================================ */
.uc-setting-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 0;
  border-bottom: 1px solid var(--uc-divider);
  flex-wrap: wrap;
}
.uc-setting-row:last-child { border-bottom: 0; padding-bottom: 0; }
.uc-setting-row:first-of-type { padding-top: 0; }
.uc-setting-title {
  font-size: 14.5px;
  font-weight: 600;
  color: var(--uc-text);
  margin-bottom: 4px;
}
.uc-setting-desc {
  font-size: 12.5px;
  color: var(--uc-text-dim);
}

.uc-theme-switch {
  display: inline-flex;
  background: var(--uc-bg-soft);
  padding: 4px;
  border-radius: 12px;
  gap: 3px;
}
.uc-theme-switch button {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 18px;
  border: 0;
  background: transparent;
  border-radius: 9px;
  font-size: 13px;
  font-weight: 600;
  font-family: inherit;
  color: var(--uc-text-muted);
  cursor: pointer;
  transition: all .18s;
}
.uc-theme-switch button:hover { color: var(--uc-text); }
.uc-theme-switch button.active {
  background: var(--uc-card-bg);
  color: var(--uc-primary);
  box-shadow: 0 2px 6px rgba(15,23,42,.1);
}
.uc-theme-switch .uc-icon { width: 15px; height: 15px; }

/* ============================================================
   App 式独立滚动布局 (桌面端)
   ============================================================ */
@media (min-width: 901px) {
  html, body.uc-body {
    height: 100%;
    overflow: hidden;
  }
  .uc-shell {
    height: 100vh;
    overflow: hidden;
  }
  .uc-sidebar {
    height: 100%;
  }
  .uc-main {
    height: 100%;
    overflow-y: auto;
  }
  .uc-main::-webkit-scrollbar {
    width: 8px;
  }
  .uc-main::-webkit-scrollbar-track {
    background: transparent;
  }
  .uc-main::-webkit-scrollbar-thumb {
    background: var(--uc-card-border);
    border-radius: 4px;
  }
  .uc-main::-webkit-scrollbar-thumb:hover {
    background: var(--uc-text-dim);
  }
}

/* ============================================================
   响应式
   ============================================================ */
@media (max-width: 1080px) {
  .uc-main { padding: 26px 26px 60px; }
  .uc-signin-page { grid-template-columns: 1fr; }
  .uc-signin-panel { max-width: 100%; }
}

@media (max-width: 900px) {
  .uc-shell { position: relative; }

  .uc-sidebar {
    position: fixed;
    top: 0; left: 0;
    width: 284px;
    height: 100vh;
    transform: translateX(-100%);
    box-shadow: 6px 0 40px rgba(0,0,0,.18);
    z-index: 100;
  }
  .uc-sidebar.open { transform: translateX(0); }

  .uc-main {
    padding: 16px 16px 44px;
    width: 100%;
  }

  .uc-mobile-bar { display: flex; }

  .uc-dash-2col { grid-template-columns: 1fr; }
  .uc-form-grid { grid-template-columns: 1fr; }
  .uc-fav-grid { grid-template-columns: 1fr; }
  .uc-user-grid { grid-template-columns: 1fr; }

  .uc-hero-inner { padding: 26px 24px; }
  .uc-hero-left { gap: 16px; }
  .uc-hero-info h2 { font-size: 19px; }
  .uc-hero-right { width: 100%; }
  .uc-hero-signin { width: 100%; min-width: 0; }

  .uc-page-head h1 { font-size: 23px; }

  .uc-stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }
  .uc-stat-card { padding: 14px 16px; gap: 12px; }
  .uc-stat-icon { width: 40px; height: 40px; border-radius: 10px; }
  .uc-stat-icon .uc-icon { width: 18px; height: 18px; }
  .uc-stat-num { font-size: 20px; }
  .uc-stat-label { font-size: 11.5px; }

  .uc-quick-grid { grid-template-columns: repeat(2, 1fr); }
  .uc-signin-overview { grid-template-columns: repeat(2, 1fr); }

  .uc-log-row {
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    font-size: 12.5px;
  }
  .uc-log-row > span:nth-child(3) { grid-column: 1 / -1; font-size: 11.5px !important; }

  .uc-page-actions {
    width: 100%;
    justify-content: flex-start;
  }
}

@media (max-width: 560px) {
  .uc-card { padding: 20px 18px; border-radius: 14px; }
  .uc-hero-inner { padding: 22px 18px; }
  .uc-hero-info h2 { font-size: 17px; }
  .uc-hero-meta { font-size: 12px; }
  .uc-signin-btn { font-size: 13.5px; padding: 10px 20px; }

  .uc-page-head { margin-bottom: 20px; }
  .uc-page-head h1 { font-size: 21px; }

  .uc-quick-grid { grid-template-columns: 1fr 1fr; gap: 8px; }
  .uc-quick-item { padding: 14px 6px; font-size: 12px; }
  .uc-quick-item .uc-icon { width: 18px; height: 18px; padding: 8px; }

  .uc-pagination a,
  .uc-pagination span {
    min-width: 34px; height: 34px;
    font-size: 12.5px; padding: 0 10px;
  }

  .uc-cal-cell { font-size: 12px; border-radius: 8px; }

  .uc-msg-full { padding: 14px 0; }
  .uc-msg-full.unread { padding: 14px 14px; }
  .uc-msg-full-icon { width: 38px; height: 38px; border-radius: 10px; }

  .uc-setting-row { padding: 16px 0; }
  .uc-theme-switch button { padding: 8px 14px; font-size: 12.5px; }
}

/* ============================================================
   打印
   ============================================================ */
@media print {
  .uc-sidebar,
  .uc-mobile-bar,
  .uc-page-actions,
  .uc-form-actions,
  .uc-pagination,
  .uc-btn,
  .uc-theme-toggle { display: none !important; }
  .uc-main { padding: 0; }
  .uc-card { border: 1px solid #ddd; box-shadow: none; }
}