/* ============================================
   DB彩票平台 · 暖阳彩券设计系统
   风格：温暖幸运 · 橙金渐变 · 轻量光感
   Awwwards 级独特视觉语言
   ============================================ */

/* ===== 基础重置 ===== */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: system-ui, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  overflow-x: hidden;
  background: #FFF8F0;
  color: #2D3748;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ===== CSS 自定义属性 ===== */
:root {
  --color-primary: #FF6B35;
  --color-primary-light: #FF8F5E;
  --color-primary-dark: #E55A2B;
  --color-secondary: #FFD700;
  --color-secondary-light: #FFE44D;
  --color-accent: #00B4D8;
  --color-accent-light: #48D1E8;
  --color-bg: #FFF8F0;
  --color-bg-alt: #FFF1E6;
  --color-bg-card: #FFFFFF;
  --color-text: #2D3748;
  --color-text-light: #718096;
  --color-text-muted: #A0AEC0;
  --color-border: rgba(255, 107, 53, 0.12);
  --color-glow: rgba(255, 107, 53, 0.15);
  --shadow-sm: 0 2px 8px rgba(45, 55, 72, 0.06);
  --shadow-md: 0 8px 24px rgba(255, 107, 53, 0.10);
  --shadow-lg: 0 16px 40px rgba(255, 107, 53, 0.12);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --gradient-primary: linear-gradient(135deg, #FF6B35 0%, #FFD700 100%);
  --gradient-secondary: linear-gradient(135deg, #FF8F5E 0%, #FFE44D 100%);
  --gradient-bg: linear-gradient(180deg, #FFF8F0 0%, #FFF1E6 100%);
  --gradient-card: linear-gradient(145deg, #FFFFFF 0%, #FFF8F0 100%);
}

/* ===== 核心布局 ===== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 100px 0;
  position: relative;
}

.section:nth-child(even) {
  background: var(--color-bg-alt);
}

/* 装饰性背景圆点 */
.section::before {
  content: '';
  position: absolute;
  top: 40px;
  right: 60px;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, var(--color-glow) 1px, transparent 1px);
  background-size: 16px 16px;
  opacity: 0.5;
  pointer-events: none;
  z-index: 0;
}

.section:nth-child(even)::before {
  right: auto;
  left: 60px;
}

.section > .container {
  position: relative;
  z-index: 1;
}

/* ===== 导航 — 固定顶部 ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(255, 248, 240, 0.92);
  backdrop-filter: blur(16px) saturate(180%);
  border-bottom: 1px solid var(--color-border);
  transition: all 0.3s ease;
}

.site-header:hover {
  background: rgba(255, 248, 240, 0.98);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.3rem;
  text-decoration: none;
  color: var(--color-text);
  letter-spacing: -0.5px;
  transition: opacity 0.2s;
}

.logo:hover {
  opacity: 0.85;
}

.logo-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  background: var(--gradient-primary);
  color: #fff;
  box-shadow: 0 4px 12px rgba(255, 107, 53, 0.25);
  position: relative;
  overflow: hidden;
}

.logo-icon::after {
  content: '✦';
  font-size: 1rem;
  animation: sparkle 2s ease-in-out infinite;
}

@keyframes sparkle {
  0%, 100% { transform: scale(1) rotate(0deg); opacity: 1; }
  50% { transform: scale(1.2) rotate(15deg); opacity: 0.7; }
}

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

.main-nav a {
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-light);
  transition: all 0.25s ease;
  position: relative;
  padding: 4px 0;
}

.main-nav a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  border-radius: 2px;
  transition: width 0.3s ease;
}

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

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

.nav-cta {
  padding: 10px 24px !important;
  border-radius: var(--radius-sm) !important;
  color: #fff !important;
  font-weight: 600 !important;
  background: var(--gradient-primary) !important;
  box-shadow: 0 4px 12px rgba(255, 107, 53, 0.25);
  transition: all 0.3s ease !important;
}

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

.nav-cta:hover {
  transform: translateY(-2px) !important;
  box-shadow: 0 6px 20px rgba(255, 107, 53, 0.35) !important;
  color: #fff !important;
}

.menu-toggle {
  display: none;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  border: none;
  background: transparent;
  cursor: pointer;
  font-size: 1.5rem;
  color: var(--color-text);
  border-radius: var(--radius-sm);
  transition: background 0.2s;
}

.menu-toggle:hover {
  background: var(--color-bg-alt);
}

/* ===== 首页Hero ===== */
.hero {
  min-height: 80vh;
  display: flex;
  align-items: center;
  padding: 120px 0 80px;
  background: var(--gradient-bg);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -30%;
  right: -15%;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 107, 53, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -20%;
  left: -10%;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 215, 0, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-content {
  max-width: 600px;
}

.hero-eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  padding: 6px 18px;
  border-radius: 50px;
  margin-bottom: 20px;
  background: rgba(255, 107, 53, 0.1);
  color: var(--color-primary);
  letter-spacing: 1px;
  text-transform: uppercase;
  border: 1px solid rgba(255, 107, 53, 0.15);
}

.hero h1 {
  font-size: 3.2rem;
  line-height: 1.15;
  margin-bottom: 20px;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: var(--color-text);
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero h1 span {
  display: block;
  -webkit-text-fill-color: var(--color-text);
  background: none;
}

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

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

.hero-image {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  transform: perspective(1000px) rotateY(-3deg);
  transition: transform 0.6s ease;
}

.hero-image:hover {
  transform: perspective(1000px) rotateY(0deg);
}

.hero-image::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255, 107, 53, 0.1), transparent);
  z-index: 1;
  pointer-events: none;
}

.hero-image img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.6s ease;
}

.hero-image:hover img {
  transform: scale(1.03);
}

/* Hero 装饰性浮动元素 */
.hero-image::after {
  content: '✦';
  position: absolute;
  top: 20px;
  right: 20px;
  font-size: 1.8rem;
  color: var(--color-secondary);
  opacity: 0.6;
  animation: float 3s ease-in-out infinite;
  z-index: 2;
}

@keyframes float {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-12px) rotate(10deg); }
}

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

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0.1);
  transform: translateX(-100%) skewX(-15deg);
  transition: transform 0.5s ease;
}

.btn:hover::before {
  transform: translateX(100%) skewX(-15deg);
}

.btn-primary {
  background: var(--gradient-primary);
  color: #fff;
  box-shadow: 0 4px 16px rgba(255, 107, 53, 0.25);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 28px rgba(255, 107, 53, 0.35);
  color: #fff;
}

.btn-outline {
  background: transparent;
  border: 1.5px solid var(--color-primary);
  color: var(--color-primary);
}

.btn-outline:hover {
  background: var(--color-primary);
  color: #fff;
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(255, 107, 53, 0.2);
}

/* ===== 标签/标题 ===== */
.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-bottom: 12px;
  color: var(--color-primary);
  background: rgba(255, 107, 53, 0.08);
  padding: 4px 16px;
  border-radius: 50px;
}

.section-title {
  font-size: 2.2rem;
  font-weight: 800;
  margin-bottom: 16px;
  color: var(--color-text);
  letter-spacing: -0.3px;
  line-height: 1.25;
}

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

/* ===== 卡片网格 ===== */
.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(--gradient-card);
  border: 1px solid var(--color-border);
  transition: all 0.35s ease;
  position: relative;
  overflow: hidden;
}

.category-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-primary);
  opacity: 0;
  transition: opacity 0.35s ease;
}

.category-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: rgba(255, 107, 53, 0.2);
}

.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: 18px;
  font-size: 1.5rem;
  background: rgba(255, 107, 53, 0.1);
  color: var(--color-primary);
  transition: all 0.3s ease;
}

.category-card:hover .card-icon {
  background: var(--gradient-primary);
  color: #fff;
  box-shadow: 0 4px 12px rgba(255, 107, 53, 0.25);
}

.category-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--color-text);
}

.category-card p {
  font-size: 0.9rem;
  color: var(--color-text-light);
  line-height: 1.6;
  margin-bottom: 16px;
}

.card-link {
  font-weight: 600;
  font-size: 0.85rem;
  text-decoration: none;
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap 0.25s ease;
}

.card-link:hover {
  gap: 12px;
  color: var(--color-primary-dark);
}

/* ===== 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(--shadow-md);
  position: relative;
}

.feature-image::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255, 107, 53, 0.08), transparent);
  z-index: 1;
  pointer-events: none;
}

.feature-image img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.6s ease;
}

.feature-image:hover img {
  transform: scale(1.02);
}

.feature-text {
  padding: 20px 0;
}

.feature-text h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--color-text);
}

.feature-text > p {
  color: var(--color-text-light);
  line-height: 1.7;
  margin-bottom: 24px;
}

.feature-list {
  list-style: none;
  margin-top: 20px;
}

.feature-list li {
  padding: 8px 0;
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.95rem;
  color: var(--color-text);
}

.feature-list li::before {
  content: '✓';
  font-weight: 700;
  color: var(--color-accent);
  font-size: 1.1rem;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 180, 216, 0.1);
  border-radius: 50%;
  flex-shrink: 0;
}

/* ===== 数据条 ===== */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  text-align: center;
}

.stat-item {
  padding: 32px 20px;
  border-radius: var(--radius-md);
  background: var(--gradient-card);
  border: 1px solid var(--color-border);
  transition: all 0.35s ease;
  position: relative;
  overflow: hidden;
}

.stat-item::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60%;
  height: 3px;
  background: var(--gradient-primary);
  border-radius: 3px;
  opacity: 0;
  transition: opacity 0.35s ease;
}

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

.stat-item:hover::after {
  opacity: 1;
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.2;
}

.stat-label {
  font-size: 0.9rem;
  color: var(--color-text-light);
  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(--gradient-card);
  border: 1px solid var(--color-border);
  transition: all 0.35s ease;
}

.content-wall-item:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: rgba(255, 107, 53, 0.15);
}

.content-wall-item img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.content-wall-item:hover img {
  transform: scale(1.05);
}

.content-wall-body {
  padding: 24px 24px 28px;
}

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

.content-wall-body p {
  font-size: 0.9rem;
  color: var(--color-text-light);
  line-height: 1.6;
  margin-bottom: 16px;
}

.content-wall-body .card-link {
  margin-top: auto;
}

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

.faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  margin-bottom: 10px;
  overflow: hidden;
  cursor: pointer;
  background: var(--gradient-card);
  transition: all 0.3s ease;
}

.faq-item:hover {
  border-color: rgba(255, 107, 53, 0.2);
  box-shadow: var(--shadow-sm);
}

.faq-item .faq-question {
  padding: 18px 24px;
  font-weight: 600;
  font-size: 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--color-text);
  transition: color 0.3s ease;
  user-select: none;
}

.faq-item .faq-question::after {
  content: '+';
  font-size: 1.3rem;
  font-weight: 300;
  color: var(--color-primary);
  transition: transform 0.3s ease;
}

.faq-item.open .faq-question::after {
  transform: rotate(45deg);
}

.faq-item.open .faq-question {
  color: var(--color-primary);
}

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

.faq-item.open .faq-answer {
  display: block;
  animation: fadeIn 0.3s ease;
}

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

/* ===== CTA横幅 ===== */
.cta-banner {
  padding: 64px 40px;
  text-align: center;
  border-radius: var(--radius-lg);
  background: var(--gradient-primary);
  color: #fff;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at 30% 50%, rgba(255, 255, 255, 0.08) 0%, transparent 60%);
  pointer-events: none;
}

.cta-banner h2 {
  color: #fff;
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 12px;
  position: relative;
  z-index: 1;
}

.cta-banner p {
  color: rgba(255, 255, 255, 0.85);
  font-size: 1.05rem;
  margin-bottom: 28px;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
  position: relative;
  z-index: 1;
}

.cta-banner .btn-primary {
  background: #fff;
  color: var(--color-primary);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
  position: relative;
  z-index: 1;
}

.cta-banner .btn-primary:hover {
  background: #fff;
  color: var(--color-primary-dark);
  transform: translateY(-3px);
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.15);
}

/* ===== 页脚 ===== */
.site-footer {
  padding: 64px 0 32px;
  background: var(--color-text);
  color: rgba(255, 255, 255, 0.7);
}

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

.footer-brand {
  max-width: 320px;
}

.footer-brand .logo {
  color: #fff;
  margin-bottom: 16px;
}

.footer-brand .logo-icon {
  box-shadow: 0 4px 12px rgba(255, 107, 53, 0.3);
}

.footer-brand p {
  font-size: 0.9rem;
  line-height: 1.7;
  opacity: 0.6;
}

.footer-col h4 {
  color: #fff;
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 18px;
}

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

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

.footer-col a {
  color: rgba(255, 255, 255, 0.5);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.2s ease;
}

.footer-col a:hover {
  color: var(--color-secondary);
}

.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;
  opacity: 0.5;
}

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

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

.seo-description {
  max-width: 600px;
  margin: 0 auto 48px;
  color: var(--color-text-light);
  font-size: 1.05rem;
  line-height: 1.7;
}

.mt-0 {
  margin-top: 0 !important;
}

.mb-0 {
  margin-bottom: 0 !important;
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .hero .container {
    grid-template-columns: 1fr;
    gap: 40px;
    text-align: center;
  }

  .hero-content {
    max-width: 100%;
    margin: 0 auto;
  }

  .hero h1 {
    font-size: 2.8rem;
  }

  .hero p {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-buttons {
    justify-content: center;
  }

  .hero-image {
    max-width: 600px;
    margin: 0 auto;
    transform: none;
  }

  .hero-image:hover {
    transform: none;
  }

  .feature-block {
    gap: 40px;
  }

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

  .footer-brand {
    grid-column: 1 / -1;
    max-width: 100%;
    text-align: center;
  }

  .footer-brand .logo {
    justify-content: center;
  }
}

@media (max-width: 768px) {
  .section {
    padding: 72px 0;
  }

  .hero {
    min-height: auto;
    padding: 100px 0 60px;
  }

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

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

  .section-title {
    font-size: 1.8rem;
  }

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

  .feature-text {
    order: 2;
  }

  .feature-image {
    order: 1;
  }

  .stats-bar {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .stat-number {
    font-size: 2rem;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 28px;
    text-align: center;
  }

  .footer-col h4 {
    font-size: 0.95rem;
  }

  .main-nav {
    display: none;
  }

  .menu-toggle {
    display: flex;
  }

  .main-nav.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 72px;
    left: 0;
    width: 100%;
    background: rgba(255, 248, 240, 0.98);
    backdrop-filter: blur(16px);
    padding: 24px 28px;
    gap: 16px;
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
  }

  .main-nav.open a {
    font-size: 1rem;
    padding: 8px 0;
  }

  .main-nav.open .nav-cta {
    text-align: center;
    padding: 12px 24px !important;
    margin-top: 8px;
  }

  .cta-banner {
    padding: 48px 24px;
  }

  .cta-banner h2 {
    font-size: 1.6rem;
  }

  .cards-grid,
  .content-wall {
    gap: 20px;
  }

  .category-card {
    padding: 24px 20px;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

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

  .section-title {
    font-size: 1.5rem;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: stretch;
  }

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

  .cards-grid,
  .content-wall,
  .stats-bar {
    grid-template-columns: 1fr;
  }

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

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

  .stat-item {
    padding: 24px 16px;
  }

  .stat-number {
    font-size: 1.8rem;
  }

  .cta-banner {
    padding: 40px 20px;
    border-radius: var(--radius-md);
  }

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

  .faq-item .faq-question {
    padding: 14px 18px;
    font-size: 0.95rem;
  }

  .faq-item .faq-answer {
    padding: 0 18px 16px;
  }

  .content-wall-item img {
    height: 180px;
  }

  .content-wall-body {
    padding: 18px 18px 22px;
  }

  .section-label {
    font-size: 0.7rem;
    padding: 3px 12px;
  }
}

/* ===== 额外动画效果 ===== */
@keyframes shimmer {
  0% { background-position: -200% center; }
  100% { background-position: 200% center; }
}

.btn-primary:active {
  transform: scale(0.97);
}

.category-card:active {
  transform: scale(0.98);
}

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

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

::-webkit-scrollbar-thumb {
  background: var(--color-primary-light);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-primary);
}

/* 选中文本颜色 */
::selection {
  background: rgba(255, 107, 53, 0.2);
  color: var(--color-text);
}

/* 打印样式 */
@media print {
  .site-header {
    position: relative;
    backdrop-filter: none;
  }

  .hero {
    min-height: auto;
    padding: 40px 0;
  }

  .section {
    padding: 40px 0;
  }

  .btn,
  .nav-cta,
  .menu-toggle {
    display: none !important;
  }

  .hero-image::after {
    display: none;
  }
}

/* ===== 特别装饰：彩票刮刮乐纹理 ===== */
.category-card:nth-child(1)::after {
  content: '';
  position: absolute;
  bottom: 12px;
  right: 12px;
  width: 40px;
  height: 40px;
  background: radial-gradient(circle, rgba(255, 215, 0, 0.15) 2px, transparent 2px);
  background-size: 8px 8px;
  border-radius: 50%;
  pointer-events: none;
}

.category-card:nth-child(2)::after {
  content: '★';
  position: absolute;
  bottom: 12px;
  right: 16px;
  font-size: 1.5rem;
  color: var(--color-secondary);
  opacity: 0.1;
  pointer-events: none;
}

.category-card:nth-child(3)::after {
  content: '✦';
  position: absolute;
  top: 12px;
  right: 16px;
  font-size: 1.2rem;
  color: var(--color-accent);
  opacity: 0.08;
  pointer-events: none;
}