/* ========================================
   锦鲤在线官方网站 - 公共样式
   ======================================== */

:root {
  --primary: #1a365d;
  --primary-light: #2c4a7c;
  --primary-dark: #0f1f3a;
  --secondary: #c9a84c;
  --secondary-light: #ddb96a;
  --accent: #e07b39;
  --accent-light: #f0945a;
  --text: #1e293b;
  --text-light: #64748b;
  --bg: #ffffff;
  --bg-light: #f8fafc;
  --bg-gray: #f1f5f9;
  --border: #e2e8f0;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  color: var(--text);
  line-height: 1.7;
  overflow-x: hidden;
}

/* ===== 导航栏 ===== */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: all 0.3s ease;
}
.navbar.scrolled {
  border-bottom-color: var(--border);
  box-shadow: 0 2px 20px rgba(0,0,0,0.06);
}

.nav-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

.navbar .nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 22px;
  font-weight: 700;
  color: var(--primary);
  text-decoration: none;
  letter-spacing: 1px;
}

.logo img { height: 28px; width: auto; display: block; }

.logo-icon {
  width: 40px; height: 40px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 18px;
  font-weight: 800;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
  list-style: none;
}

.nav-links a {
  text-decoration: none;
  color: var(--text);
  font-size: 15px;
  font-weight: 500;
  padding: 8px 14px;
  border-radius: 6px;
  transition: all 0.25s ease;
  white-space: nowrap;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--primary);
  background: rgba(26,54,93,0.06);
}

.nav-cta {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%) !important;
  color: #fff !important;
  padding: 10px 22px !important;
}
.nav-cta:hover {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%) !important;
  color: #fff !important;
  transform: translateY(-1px);
}

/* 移动端菜单 */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
}
.menu-toggle span {
  width: 24px; height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all 0.3s ease;
}

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  font-size: 16px;
  font-weight: 600;
  border-radius: 8px;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.3s ease;
  border: none;
  outline: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: #fff;
  box-shadow: 0 4px 16px rgba(26,54,93,0.25);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(26,54,93,0.35);
}

.btn-secondary {
  background: #fff;
  color: var(--primary);
  border: 2px solid var(--primary);
}
.btn-secondary:hover {
  background: var(--primary);
  color: #fff;
}

.btn-accent {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-light) 100%);
  color: #fff;
  box-shadow: 0 4px 16px rgba(224,123,57,0.25);
}
.btn-accent:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(224,123,57,0.35);
}

.btn-gold {
  background: linear-gradient(135deg, var(--secondary) 0%, var(--secondary-light) 100%);
  color: var(--primary-dark);
  box-shadow: 0 4px 16px rgba(201,168,76,0.25);
  font-weight: 700;
}
.btn-gold:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(201,168,76,0.35);
}

.btn-outline-white {
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255,255,255,0.5);
  box-shadow: 0 4px 16px rgba(0,0,0,0.1);
}
.btn-outline-white:hover {
  background: rgba(255,255,255,0.15);
  color: #fff;
  border-color: rgba(255,255,255,0.8);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.15);
}

.btn-sm { padding: 10px 22px; font-size: 14px; }
.btn-lg { padding: 16px 40px; font-size: 18px; }

/* ===== 卡片 ===== */
.card {
  background: #fff;
  border-radius: 16px;
  padding: 32px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.05);
  border: 1px solid var(--border);
  transition: all 0.3s ease;
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0,0,0,0.08);
  border-color: rgba(26,54,93,0.15);
}

/* ===== 页脚 ===== */
.footer {
  background: linear-gradient(180deg, var(--primary-dark) 0%, #0a1428 100%);
  color: rgba(255,255,255,0.7);
  padding: 60px 0 30px;
}

.footer-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-logo {
  font-size: 22px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer-logo img { height: 40px; width: auto; display: block; }

.footer-desc {
  font-size: 14px;
  line-height: 1.8;
  margin-bottom: 20px;
}

.footer-title {
  font-size: 16px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 20px;
}

.footer-links {
  list-style: none;
}
.footer-links li {
  margin-bottom: 12px;
}
.footer-links a {
  color: rgba(255,255,255,0.7);
  text-decoration: none;
  font-size: 14px;
  transition: color 0.3s;
}
.footer-links a:hover {
  color: var(--secondary-light);
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 24px;
  text-align: center;
  font-size: 13px;
  color: rgba(255,255,255,0.5);
}

/* ===== 轮播 ===== */
.carousel {
  position: relative;
  overflow: hidden;
  width: 100%;
}

.carousel-track {
  display: flex;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  width: 100%;
}

.carousel-slide {
  width: 100%;
  flex-shrink: 0;
  overflow: hidden;
}

.carousel-dots {
  display: flex;
  justify-content: center;
  gap: 10px;
  position: absolute;
  bottom: 30px;
  left: 0; right: 0;
}

.carousel-dot {
  width: 12px; height: 12px;
  border-radius: 50%;
  background: rgba(255,255,255,0.4);
  border: 2px solid rgba(255,255,255,0.6);
  cursor: pointer;
  transition: all 0.3s;
}
.carousel-dot.active {
  background: #fff;
  border-color: #fff;
  width: 36px;
  border-radius: 6px;
}

/* ===== 通用板块标题 ===== */
.section-header {
  text-align: center;
  margin-bottom: 48px;
}

.section-label {
  display: inline-block;
  padding: 6px 16px;
  background: rgba(26,54,93,0.08);
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
  border-radius: 20px;
  margin-bottom: 16px;
  letter-spacing: 1px;
}

.section-title {
  font-size: 36px;
  font-weight: 700;
  color: var(--primary-dark);
  margin-bottom: 12px;
  line-height: 1.3;
}

.section-subtitle {
  font-size: 17px;
  color: var(--text-light);
  max-width: 600px;
  margin: 0 auto;
}

/* ===== 渐变背景 ===== */
.bg-gradient-blue {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
}

.bg-gradient-gold {
  background: linear-gradient(135deg, var(--secondary) 0%, var(--secondary-light) 100%);
}

.bg-gradient-accent {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-light) 100%);
}

/* ===== 滚动动画 ===== */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== 装饰元素 ===== */
.deco-circle {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
}

/* ===== 表单样式 ===== */
.form-input {
  width: 100%;
  padding: 14px 18px;
  font-size: 15px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: #fff;
  transition: all 0.3s;
  font-family: inherit;
}
.form-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(26,54,93,0.1);
}

.form-label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 8px;
}

.form-group { margin-bottom: 20px; }

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .nav-links {
    position: fixed;
    top: 72px; left: 0; right: 0;
    background: rgba(255,255,255,0.98);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    flex-direction: column;
    padding: 16px 20px 20px;
    gap: 12px;
    border-bottom: 1px solid var(--border);
    box-shadow: 0 12px 40px rgba(0,0,0,0.1);
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: all 0.3s ease;
  }
  .nav-links.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  .nav-links a {
    width: 100%;
    text-align: center;
    padding: 14px 12px;
    border-radius: 10px;
    font-size: 15px;
    font-weight: 500;
  }
  .nav-links a:hover,
  .nav-links a.active {
    background: var(--bg-light);
    color: var(--primary);
  }
  .nav-links a.nav-cta {
    margin-top: 16px;
    padding: 16px 12px;
  }
  .menu-toggle { display: flex; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .logo img { height: 24px; }
  .footer-logo img { height: 32px; }
  .section-title { font-size: 26px; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
}