/* ============================
   主题色变量 - 蓝白灰配色方案
   ============================ */
:root {
  --color-primary:        #2563EB;
  --color-primary-dark:   #1D4ED8;
  --color-primary-hover:  #3B82F6;
  --color-primary-light:  #EFF6FF;
  --color-bg:             #F8FAFC;
  --color-bg-section:     #F1F5F9;
  --color-white:          #FFFFFF;
  --color-text:           #0F172A;
  --color-text-secondary: #475569;
  --color-text-muted:     #94A3B8;
  --color-border:         #E2E8F0;
  --color-border-light:   #F1F5F9;
  --shadow-sm:            0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-md:            0 4px 16px rgba(37, 99, 235, 0.10);
  --shadow-lg:            0 8px 32px rgba(37, 99, 235, 0.12);
  --radius-sm:            4px;
  --radius-md:            8px;
  --radius-lg:            12px;
  --transition:           all 0.2s ease;
}

h1 { font-size: 40px; }
h2 { font-size: 32px; }
h3 { font-size: 24px; }
h4 { font-size: 22px; }
h5 { font-size: 20px; }

.font-theme { color: var(--color-primary); }

textarea { resize: none; }

body {
  background-color: #FFFFFF;
  color: var(--color-text);
  font-size: 14px;
  font-family: PingFang SC, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-weight: 400;
}

input { outline: none; }

/* 盒子阴影 */
.box-shadow {
  background: #FFFFFF;
  box-shadow: var(--shadow-md);
}

.box-shadow-light {
  background: #FFFFFF;
  box-shadow: var(--shadow-sm);
}

a {
  color: var(--color-text-secondary);
  cursor: pointer;
  text-decoration: none;
  transition: var(--transition);
}

a:hover {
  color: var(--color-primary) !important;
  text-decoration: none !important;
}

.link-hover { cursor: pointer; }

.link-hover:hover {
  color: var(--color-primary) !important;
}

.title-desc {
  color: var(--color-text-secondary);
  font-size: 14px;
}

::-webkit-scrollbar-thumb {
  background-color: rgba(0, 0, 0, 0.15);
  border: 1px solid #fff;
  border-radius: 10px;
}

::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

.animated { animation-duration: .5s !important; }

/* 按钮 */
.btn {
  display: inline-block;
  padding: 9px 22px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 14px;
  transition: var(--transition);
  border: none;
  text-align: center;
  line-height: 1.5;
}

.btn2 {
  padding: 9px 36px;
  border-radius: var(--radius-sm);
  cursor: pointer;
}

/* 主色按钮 */
.btn-normal,
.btn-primary {
  color: #fff;
  background: var(--color-primary);
}

.btn-normal:hover,
.btn-primary:hover {
  color: #fff;
  background: var(--color-primary-hover);
}

.btn-normal:active,
.btn-primary:active {
  background: var(--color-primary-dark);
}

/* 渐变主色按钮 */
.btn-gradient {
  color: #fff;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.btn-gradient:hover {
  color: #fff;
  background: linear-gradient(135deg, var(--color-primary-hover) 0%, var(--color-primary) 100%);
  box-shadow: 0 6px 16px rgba(37, 99, 235, 0.4);
  transform: translateY(-1px);
}

/* 边框按钮 */
.btn-normal-light,
.btn-outline {
  color: var(--color-primary);
  background: #fff;
  border: 1.5px solid var(--color-primary);
}

.btn-normal-light:hover,
.btn-outline:hover {
  color: var(--color-primary-dark);
  background: var(--color-primary-light);
  border-color: var(--color-primary-dark);
}

/* 白色边框按钮（深色背景上使用） */
.btn-outline-white {
  color: #fff;
  background: transparent;
  border: 1.5px solid rgba(255, 255, 255, 0.7);
}

.btn-outline-white:hover {
  color: var(--color-primary);
  background: #fff;
  border-color: #fff;
}

/* 大号按钮 */
.btn-lg {
  padding: 12px 32px;
  font-size: 15px;
  border-radius: var(--radius-md);
}

/* 暗色按钮 */
.btn-dark {
  color: #fff;
  background: var(--color-text);
}

.btn-dark:hover {
  color: #fff;
  background: var(--color-primary);
}

#alert-container {
  position: fixed;
  top: 15%;
  left: 50%;
  transform: translateX(-50%);
  z-index: 9999;
  width: 300px;
  opacity: 1;
  transition: opacity 0.3s ease-in-out;
}

#footerRecord .left-info a { margin-right: 10px; }