/* ============================================
  云鼎娱乐平台 · 马卡龙柔光设计系统
  Awwwards 获奖级 · 暖白珊瑚紫配色
  ============================================ */

/* 基础重置 + 全局变量 */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --coral: #FF7675;
  --coral-dark: #E66767;
  --coral-light: #FFE0DF;
  --lavender: #A29BFE;
  --lavender-dark: #7C6FF0;
  --lavender-light: #E8E5FF;
  --gold: #FDCB6E;
  --gold-light: #FFF3D6;
  --mint: #55EFC4;
  --mint-light: #D4FCE8;
  --deep-purple: #2D1B69;
  --soft-bg: #FFFAF5;
  --warm-white: #FFFFFF;
  --card-shadow: 0 16px 48px -8px rgba(45, 27, 105, 0.08), 0 4px 16px rgba(255, 118, 117, 0.06);
  --card-hover-shadow: 0 24px 64px -12px rgba(45, 27, 105, 0.14), 0 8px 24px rgba(255, 118, 117, 0.10);
  --glass-bg: rgba(255, 250, 245, 0.82);
  --border-light: rgba(162, 155, 254, 0.15);
  --text-primary: #2D1B69;
  --text-secondary: #6B5B8A;
  --text-muted: #9B8FB5;
  --radius-sm: 10px;
  --radius-md: 18px;
  --radius-lg: 28px;
  --radius-xl: 36px;
  --font-sans: system-ui, 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
  --transition-smooth: 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
  --transition-bounce: 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

body {
  font-family: var(--font-sans);
  background: var(--soft-bg);
  color: var(--text-primary);
  overflow-x: hidden;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ===== 背景装饰光晕 ===== */
body::before {
  content: '';
  position: fixed;
  top: -320px;
  right: -180px;
  width: 640px;
  height: 640px;
  background: radial-gradient(circle, rgba(255, 118, 117, 0.12) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
}

body::after {
  content: '';
  position: fixed;
  bottom: -240px;
  left: -160px;
  width: 520px;
  height: 520px;
  background: radial-gradient(circle, rgba(162, 155, 254, 0.10) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
}

/* ===== 核心容器 ===== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

.section {
  padding: 96px 0;
  position: relative;
}

.section:nth-child(even) {
  background: linear-gradient(135deg, #FFF8F2 0%, #F5F0FF 100%);
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
}

/* ===== 导航 — 柔光玻璃顶栏 ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: var(--glass-bg);
  backdrop-filter: blur(20px) saturate(1.4);
  -webkit-backdrop-filter: blur(20px) saturate(1.4);
  border-bottom: 1px solid var(--border-light);
  box-shadow: 0 4px 30px rgba(45, 27, 105, 0.04);
  transition: var(--transition-smooth);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 28px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.35rem;
  text-decoration: none;
  color: var(--deep-purple);
  letter-spacing: -0.3px;
  position: relative;
  transition: var(--transition-smooth);
}

.logo:hover {
  transform: scale(1.02);
}

.logo-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--coral), var(--lavender));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: #fff;
  box-shadow: 0 4px 12px rgba(255, 118, 117, 0.30);
  position: relative;
  overflow: hidden;
}

.logo-icon::after {
  content: '';
  position: absolute;
  top: -20%;
  left: -20%;
  width: 60%;
  height: 60%;
  background: rgba(255,255,255,0.20);
  border-radius: 50%;
  transform: rotate(-30deg);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.main-nav li {
  position: relative;
}

.main-nav a {
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: var(--transition-smooth);
  padding: 6px 0;
  position: relative;
  letter-spacing: 0.2px;
}

.main-nav a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2.5px;
  background: linear-gradient(90deg, var(--coral), var(--lavender));
  border-radius: 2px;
  transition: width 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.main-nav a:hover {
  color: var(--deep-purple);
}

.main-nav a:hover::after {
  width: 100%;
}

.nav-cta {
  padding: 10px 24px !important;
  border-radius: 50px !important;
  background: linear-gradient(135deg, var(--coral), var(--coral-dark)) !important;
  color: #fff !important;
  font-weight: 600 !important;
  box-shadow: 0 4px 16px rgba(255, 118, 117, 0.30);
  transition: var(--transition-bounce) !important;
  letter-spacing: 0.3px !important;
}

.nav-cta::after {
  display: none !important;
}

.nav-cta:hover {
  transform: translateY(-2px) scale(1.03);
  box-shadow: 0 8px 28px rgba(255, 118, 117, 0.40) !important;
  color: #fff !important;
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--deep-purple);
  padding: 8px;
  border-radius: 8px;
  transition: var(--transition-smooth);
}

.menu-toggle:hover {
  background: var(--coral-light);
}

/* ===== Hero — 大胆排版 + 渐变浮层 ===== */
.hero {
  min-height: 82vh;
  display: flex;
  align-items: center;
  position: relative;
  padding-top: 72px;
  background: linear-gradient(170deg, #FFF8F2 0%, #F8F0FF 50%, #FFF0EC 100%);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -20%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(255, 118, 117, 0.10) 0%, transparent 60%);
  border-radius: 50%;
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -15%;
  left: -8%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(162, 155, 254, 0.10) 0%, transparent 60%);
  border-radius: 50%;
  pointer-events: none;
}

.hero-content {
  max-width: 680px;
  position: relative;
  z-index: 2;
}

.hero-eyebrow {
  display: inline-block;
  font-size: 0.80rem;
  font-weight: 700;
  padding: 6px 18px;
  border-radius: 50px;
  background: linear-gradient(135deg, var(--coral-light), var(--lavender-light));
  color: var(--deep-purple);
  margin-bottom: 20px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  border: 1px solid rgba(162, 155, 254, 0.15);
  box-shadow: 0 2px 8px rgba(255, 118, 117, 0.08);
}

.hero h1 {
  font-size: 3.4rem;
  line-height: 1.15;
  margin-bottom: 20px;
  font-weight: 800;
  color: var(--deep-purple);
  letter-spacing: -1px;
  background: linear-gradient(135deg, var(--deep-purple) 40%, var(--coral-dark) 80%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 520px;
  margin-bottom: 36px;
  line-height: 1.7;
  font-weight: 400;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--card-hover-shadow);
  border: 1px solid var(--border-light);
  transition: var(--transition-smooth);
}

.hero-image:hover {
  transform: scale(1.01);
}

.hero-image img {
  width: 100%;
  height: auto;
  display: block;
}

/* ===== 按钮系统 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 32px;
  border-radius: 50px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: var(--transition-bounce);
  font-size: 0.95rem;
  letter-spacing: 0.3px;
  position: relative;
  overflow: hidden;
}

.btn::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: rgba(255,255,255,0.12);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.btn:hover::after {
  width: 300px;
  height: 300px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--coral), var(--coral-dark));
  color: #fff;
  box-shadow: 0 6px 24px rgba(255, 118, 117, 0.35);
}

.btn-primary:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 12px 36px rgba(255, 118, 117, 0.45);
}

.btn-outline {
  background: transparent;
  border: 2px solid var(--lavender);
  color: var(--deep-purple);
}

.btn-outline:hover {
  background: var(--lavender-light);
  border-color: var(--lavender-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(162, 155, 254, 0.20);
}

/* ===== 标签/标题 ===== */
.section-label {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 2.5px;
  margin-bottom: 14px;
  color: var(--coral);
  text-transform: uppercase;
  position: relative;
  padding-left: 28px;
}

.section-label::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 18px;
  height: 2.5px;
  background: linear-gradient(90deg, var(--coral), var(--lavender));
  border-radius: 2px;
}

.section-title {
  font-size: 2.4rem;
  margin-bottom: 16px;
  font-weight: 800;
  color: var(--deep-purple);
  letter-spacing: -0.5px;
  line-height: 1.2;
}

.section-desc {
  max-width: 600px;
  color: var(--text-secondary);
  margin-bottom: 48px;
  font-size: 1.05rem;
  line-height: 1.7;
}

/* ===== 卡片网格 — 悬浮柔光卡片 ===== */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 28px;
}

.category-card {
  border-radius: var(--radius-md);
  padding: 32px 28px;
  background: var(--warm-white);
  border: 1px solid var(--border-light);
  transition: var(--transition-bounce);
  position: relative;
  overflow: hidden;
  box-shadow: var(--card-shadow);
}

.category-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--coral), var(--lavender), var(--gold));
  opacity: 0;
  transition: var(--transition-smooth);
}

.category-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--card-hover-shadow);
  border-color: rgba(162, 155, 254, 0.25);
}

.category-card:hover::before {
  opacity: 1;
}

.card-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 1.5rem;
  background: linear-gradient(135deg, var(--coral-light), var(--lavender-light));
  color: var(--deep-purple);
  transition: var(--transition-smooth);
}

.category-card:hover .card-icon {
  transform: scale(1.08) rotate(-4deg);
}

.category-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--deep-purple);
}

.category-card p {
  color: var(--text-secondary);
  font-size: 0.92rem;
  line-height: 1.6;
  margin-bottom: 16px;
}

.card-link {
  font-weight: 600;
  font-size: 0.88rem;
  text-decoration: none;
  color: var(--coral-dark);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition-smooth);
}

.card-link:hover {
  color: var(--lavender-dark);
  gap: 10px;
}

/* ===== 特性块 ===== */
.feature-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.feature-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--card-hover-shadow);
  border: 1px solid var(--border-light);
  transition: var(--transition-smooth);
}

.feature-image:hover {
  transform: scale(1.01);
}

.feature-image img {
  width: 100%;
  height: auto;
  display: block;
}

.feature-text h3 {
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--deep-purple);
}

.feature-text p {
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 20px;
}

.feature-list {
  list-style: none;
  margin-top: 8px;
}

.feature-list li {
  padding: 8px 0;
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 500;
  color: var(--text-primary);
}

.feature-list li::before {
  content: '✨';
  font-weight: 700;
  color: var(--gold);
  font-size: 1.1rem;
}

/* ===== 数据条 ===== */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}

.stat-item {
  padding: 32px 20px;
  border-radius: var(--radius-md);
  background: var(--warm-white);
  border: 1px solid var(--border-light);
  box-shadow: var(--card-shadow);
  transition: var(--transition-smooth);
}

.stat-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--card-hover-shadow);
}

.stat-number {
  font-size: 2.8rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--coral), var(--lavender));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.1;
}

.stat-label {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-top: 8px;
  font-weight: 500;
}

/* ===== 内容墙 ===== */
.content-wall {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 28px;
}

.content-wall-item {
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--warm-white);
  border: 1px solid var(--border-light);
  transition: var(--transition-bounce);
  box-shadow: var(--card-shadow);
}

.content-wall-item:hover {
  transform: translateY(-6px);
  box-shadow: var(--card-hover-shadow);
}

.content-wall-item img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  transition: var(--transition-smooth);
}

.content-wall-item:hover img {
  transform: scale(1.03);
}

.content-wall-body {
  padding: 24px;
}

.content-wall-body h4 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--deep-purple);
}

.content-wall-body p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* ===== FAQ ===== */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  margin-bottom: 10px;
  overflow: hidden;
  cursor: pointer;
  background: var(--warm-white);
  transition: var(--transition-smooth);
  box-shadow: 0 2px 8px rgba(45, 27, 105, 0.02);
}

.faq-item:hover {
  border-color: rgba(162, 155, 254, 0.25);
  box-shadow: 0 4px 16px rgba(45, 27, 105, 0.04);
}

.faq-item .faq-question {
  padding: 18px 24px;
  font-weight: 600;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--deep-purple);
  font-size: 1.02rem;
  transition: var(--transition-smooth);
}

.faq-item .faq-question::after {
  content: '↓';
  font-size: 1.2rem;
  color: var(--coral);
  transition: var(--transition-smooth);
}

.faq-item.open .faq-question::after {
  transform: rotate(180deg);
}

.faq-item .faq-answer {
  padding: 0 24px 20px;
  display: none;
  color: var(--text-secondary);
  line-height: 1.7;
  font-size: 0.95rem;
}

.faq-item.open .faq-answer {
  display: block;
  animation: fadeSlideIn 0.35s ease;
}

@keyframes fadeSlideIn {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ===== CTA横幅 ===== */
.cta-banner {
  padding: 64px 32px;
  text-align: center;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--coral), var(--lavender-dark));
  color: #fff;
  position: relative;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(255, 118, 117, 0.25);
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -30%;
  width: 80%;
  height: 200%;
  background: radial-gradient(circle, rgba(255,255,255,0.10) 0%, transparent 60%);
  pointer-events: none;
}

.cta-banner h2 {
  color: #fff;
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 14px;
  position: relative;
}

.cta-banner p {
  color: rgba(255,255,255,0.85);
  margin-bottom: 28px;
  font-size: 1.05rem;
  position: relative;
}

.cta-banner .btn-primary {
  background: #fff;
  color: var(--coral-dark);
  box-shadow: 0 6px 24px rgba(0,0,0,0.10);
}

.cta-banner .btn-primary:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 12px 32px rgba(0,0,0,0.15);
}

/* ===== 页脚 ===== */
.site-footer {
  padding: 64px 0 32px;
  background: linear-gradient(180deg, var(--deep-purple) 0%, #1A0F3C 100%);
  color: rgba(255,255,255,0.85);
}

.site-footer .container {
  position: relative;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
}

.footer-brand .logo {
  color: #fff;
  margin-bottom: 12px;
}

.footer-brand .logo-icon {
  background: linear-gradient(135deg, var(--gold), var(--coral));
}

.footer-brand p {
  color: rgba(255,255,255,0.60);
  font-size: 0.92rem;
  line-height: 1.7;
  max-width: 300px;
}

.footer-col h5 {
  color: #fff;
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 16px;
  letter-spacing: 0.5px;
}

.footer-col ul {
  list-style: none;
}

.footer-col ul li {
  margin-bottom: 10px;
}

.footer-col ul li a {
  color: rgba(255,255,255,0.55);
  text-decoration: none;
  font-size: 0.9rem;
  transition: var(--transition-smooth);
}

.footer-col ul li a:hover {
  color: var(--gold);
  padding-left: 4px;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  margin-top: 48px;
  padding-top: 24px;
  text-align: center;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.40);
}

/* ===== 工具类 ===== */
.text-accent {
  color: var(--coral);
}

.text-center {
  text-align: center;
}

.seo-description {
  max-width: 600px;
  margin: 0 auto 48px;
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }

/* ===== 滚动条美化 ===== */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--soft-bg);
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--coral-light), var(--lavender-light));
  border-radius: 8px;
}

::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(180deg, var(--coral), var(--lavender));
}

/* ===== 选中文本 ===== */
::selection {
  background: var(--lavender-light);
  color: var(--deep-purple);
}

/* ===== 响应式设计 ===== */
@media (max-width: 1024px) {
  .hero h1 {
    font-size: 2.8rem;
  }
  .section-title {
    font-size: 2rem;
  }
  .stats-bar {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .header-inner {
    height: 64px;
    padding: 0 18px;
  }

  .main-nav {
    display: none;
  }

  .menu-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .main-nav.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 64px;
    left: 0;
    width: 100%;
    background: var(--warm-white);
    backdrop-filter: blur(20px);
    padding: 24px 28px;
    gap: 16px;
    box-shadow: 0 20px 48px rgba(45, 27, 105, 0.10);
    border-bottom: 1px solid var(--border-light);
  }

  .main-nav.open a {
    font-size: 1rem;
  }

  .feature-block {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .feature-block .feature-image {
    order: -1;
  }

  .stats-bar {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }

  .hero {
    min-height: 60vh;
    padding-top: 64px;
  }

  .hero h1 {
    font-size: 2.2rem;
  }

  .hero p {
    font-size: 1rem;
  }

  .hero-buttons {
    flex-direction: column;
  }

  .hero-buttons .btn {
    width: 100%;
    justify-content: center;
  }

  .section {
    padding: 60px 0;
  }

  .section-title {
    font-size: 1.7rem;
  }
}

@media (max-width: 480px) {
  .cards-grid,
  .content-wall,
  .stats-bar {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .hero h1 {
    font-size: 1.8rem;
  }

  .section-title {
    font-size: 1.4rem;
  }

  .cta-banner {
    padding: 40px 20px;
  }

  .cta-banner h2 {
    font-size: 1.4rem;
  }

  .logo {
    font-size: 1.1rem;
  }

  .logo-icon {
    width: 34px;
    height: 34px;
    font-size: 0.9rem;
  }

  .stat-number {
    font-size: 2.2rem;
  }

  .btn {
    padding: 12px 24px;
    font-size: 0.88rem;
  }
}

/* ===== 额外细节动画 ===== */
@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
}

.hero-image {
  animation: float 6s ease-in-out infinite;
}

.category-card:nth-child(1) .card-icon { background: linear-gradient(135deg, #FFE0DF, #FFC0C0); }
.category-card:nth-child(2) .card-icon { background: linear-gradient(135deg, #E8E5FF, #D0C8FF); }
.category-card:nth-child(3) .card-icon { background: linear-gradient(135deg, #FFF3D6, #FFE8B0); }
.category-card:nth-child(4) .card-icon { background: linear-gradient(135deg, #D4FCE8, #A8F0D0); }

/* 加载动画 */
.site-header {
  animation: slideDown 0.6s cubic-bezier(0.34, 1.56, 0.64, 1) both;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero > * {
  animation: fadeUp 0.8s cubic-bezier(0.34, 1.56, 0.64, 1) both;
}

.hero .hero-image {
  animation-delay: 0.2s;
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* 卡片延迟入场 */
.cards-grid .category-card:nth-child(1) { animation-delay: 0.05s; }
.cards-grid .category-card:nth-child(2) { animation-delay: 0.10s; }
.cards-grid .category-card:nth-child(3) { animation-delay: 0.15s; }
.cards-grid .category-card:nth-child(4) { animation-delay: 0.20s; }