```css
/* ============================================
   壹号娱乐网站 - 地中海暖陶风格设计系统
   配色：暖奶油白 + 烧陶土 + 鼠尾草绿 + 柔琥珀
   ============================================ */

:root {
  --cream: #FDF7F2;
  --cream-dark: #F5EDE6;
  --terracotta: #C67B5C;
  --terracotta-deep: #B06448;
  --terracotta-light: #F0D5C8;
  --sage: #7F9A7A;
  --sage-light: #E8EFE5;
  --amber: #D4A96A;
  --amber-light: #FBF3E5;
  --text-dark: #3C3332;
  --text-mid: #6B5E5A;
  --text-light: #9A8B85;
  --white: #FFFFFF;
  --border-soft: #EBE0D7;
  --shadow-sm: 0 2px 8px rgba(60, 51, 50, 0.06);
  --shadow-md: 0 6px 24px rgba(60, 51, 50, 0.10);
  --shadow-lg: 0 12px 40px rgba(60, 51, 50, 0.14);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
}

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

body {
  font-family: system-ui, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  overflow-x: hidden;
  background: var(--cream);
  color: var(--text-dark);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

.section {
  padding: 80px 0;
  position: relative;
}

.section:nth-child(even) {
  background: var(--cream-dark);
}

/* 导航 - 固定顶部 */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(253, 247, 242, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-soft);
  transition: box-shadow 0.3s ease;
}

.site-header.scrolled {
  box-shadow: var(--shadow-sm);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.2rem;
  text-decoration: none;
  color: var(--text-dark);
  letter-spacing: -0.02em;
  transition: opacity 0.2s;
}

.logo:hover {
  opacity: 0.8;
}

.logo-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  background: linear-gradient(135deg, var(--terracotta), #D4896E);
  color: #fff;
  font-weight: 800;
  box-shadow: 0 2px 8px rgba(198, 123, 92, 0.25);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}

.main-nav a {
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-mid);
  transition: color 0.2s, transform 0.15s;
  position: relative;
  letter-spacing: 0.01em;
}

.main-nav a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--terracotta);
  border-radius: 1px;
  transition: width 0.25s ease;
}

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

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

.nav-cta {
  padding: 9px 22px;
  border-radius: 25px;
  color: #fff !important;
  font-weight: 600;
  background: var(--terracotta);
  letter-spacing: 0.02em;
  box-shadow: 0 3px 12px rgba(198, 123, 92, 0.3);
  transition: all 0.25s ease !important;
}

.nav-cta:hover {
  background: var(--terracotta-deep);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(198, 123, 92, 0.4);
}

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

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  border: none;
  background: transparent;
  z-index: 1001;
}

.menu-toggle span {
  display: block;
  width: 26px;
  height: 2.5px;
  background: var(--text-dark);
  border-radius: 2px;
  transition: all 0.3s ease;
}

/* 首页Hero */
.hero {
  min-height: 70vh;
  display: flex;
  align-items: center;
  padding-top: 68px;
  gap: 40px;
}

.hero-content {
  max-width: 720px;
  flex: 1;
}

.hero-eyebrow {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 600;
  padding: 5px 16px;
  border-radius: 20px;
  margin-bottom: 18px;
  background: var(--terracotta-light);
  color: var(--terracotta-deep);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.hero h1 {
  font-size: 3rem;
  line-height: 1.18;
  margin-bottom: 20px;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text-dark);
}

.hero h1 .highlight {
  color: var(--terracotta);
  position: relative;
}

.hero p {
  font-size: 1.1rem;
  opacity: 0.72;
  max-width: 560px;
  margin-bottom: 32px;
  color: var(--text-mid);
  line-height: 1.7;
}

.hero-buttons {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.hero-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  flex: 0 0 420px;
  box-shadow: var(--shadow-lg);
  border: 4px solid #fff;
  position: relative;
}

.hero-image::before {
  content: '';
  position: absolute;
  inset: -12px;
  border-radius: 28px;
  background: var(--terracotta-light);
  opacity: 0.3;
  z-index: -1;
  transform: rotate(-2deg);
}

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

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 30px;
  border-radius: 25px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: all 0.25s ease;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.btn-primary {
  color: #fff;
  background: var(--terracotta);
  box-shadow: 0 4px 14px rgba(198, 123, 92, 0.35);
}

.btn-primary:hover {
  background: var(--terracotta-deep);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(198, 123, 92, 0.45);
}

.btn-outline {
  background: transparent;
  border: 1.8px solid var(--terracotta);
  color: var(--terracotta);
}

.btn-outline:hover {
  background: var(--terracotta);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 4px 14px rgba(198, 123, 92, 0.25);
}

/* 标签/标题 */
.section-label {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 3px;
  margin-bottom: 12px;
  color: var(--sage);
  text-transform: uppercase;
}

.section-title {
  font-size: 2.2rem;
  margin-bottom: 14px;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text-dark);
  line-height: 1.25;
}

.section-desc {
  max-width: 600px;
  opacity: 0.7;
  margin-bottom: 40px;
  color: var(--text-mid);
  font-size: 1.05rem;
  line-height: 1.7;
}

/* 卡片网格 */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 24px;
}

.category-card {
  border-radius: var(--radius-md);
  padding: 30px 28px;
  border: 1px solid var(--border-soft);
  transition: all 0.3s ease;
  background: #fff;
  position: relative;
  overflow: hidden;
}

.category-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--terracotta), var(--amber));
  opacity: 0;
  transition: opacity 0.3s ease;
  border-radius: 0 0 4px 4px;
}

.category-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: transparent;
}

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

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

.category-card p {
  font-size: 0.9rem;
  color: var(--text-mid);
  line-height: 1.6;
  margin-bottom: 14px;
}

.card-icon {
  width: 50px;
  height: 50px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  font-size: 1.3rem;
  background: var(--terracotta-light);
  color: var(--terracotta);
  transition: all 0.3s ease;
}

.category-card:hover .card-icon {
  background: var(--terracotta);
  color: #fff;
  transform: scale(1.05);
}

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

.card-link:hover {
  gap: 10px;
}

.card-link::after {
  content: '→';
  transition: transform 0.25s ease;
}

.card-link:hover::after {
  transform: translateX(3px);
}

/* 特性块 */
.feature-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}

.feature-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 3px solid #fff;
  position: relative;
}

.feature-image::after {
  content: '';
  position: absolute;
  inset: -8px;
  border-radius: 24px;
  background: var(--sage-light);
  z-index: -1;
  opacity: 0.5;
  transform: rotate(1.5deg);
}

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

.feature-text h3 {
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 14px;
  color: var(--text-dark);
  letter-spacing: -0.02em;
}

.feature-text p {
  color: var(--text-mid);
  line-height: 1.7;
  margin-bottom: 18px;
}

.feature-list {
  list-style: none;
}

.feature-list li {
  padding: 8px 0;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.95rem;
  color: var(--text-mid);
}

.feature-list li::before {
  content: '✓';
  font-weight: 700;
  color: var(--sage);
  font-size: 1rem;
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--sage-light);
  border-radius: 50%;
}

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

.stat-item {
  padding: 28px 20px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-soft);
  background: #fff;
  transition: all 0.3s ease;
}

.stat-item:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: transparent;
}

.stat-number {
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--terracotta);
  letter-spacing: -0.03em;
  line-height: 1;
}

.stat-label {
  font-size: 0.9rem;
  opacity: 0.6;
  margin-top: 8px;
  color: var(--text-mid);
  font-weight: 500;
}

/* 内容墙 */
.content-wall {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}

.content-wall-item {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-soft);
  transition: all 0.3s ease;
  background: #fff;
}

.content-wall-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: transparent;
}

.content-wall-item img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  display: block;
  transition: transform 0.5s ease;
}

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

.content-wall-body {
  padding: 20px;
}

.content-wall-body h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 6px;
}

.content-wall-body p {
  font-size: 0.88rem;
  color: var(--text-mid);
  line-height: 1.5;
}

.content-wall-body .card-link {
  margin-top: 10px;
}

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

.faq-item {
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-sm);
  margin-bottom: 8px;
  overflow: hidden;
  cursor: pointer;
  background: #fff;
  transition: all 0.25s ease;
}

.faq-item:hover {
  border-color: var(--terracotta-light);
}

.faq-item .faq-question {
  padding: 17px 22px;
  font-weight: 600;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--text-dark);
  font-size: 0.98rem;
  gap: 16px;
}

.faq-item .faq-question::after {
  content: '+';
  font-size: 1.3rem;
  font-weight: 400;
  color: var(--terracotta);
  transition: transform 0.3s ease;
  flex-shrink: 0;
}

.faq-item .faq-answer {
  padding: 0 22px 18px;
  display: none;
  opacity: 0.7;
  color: var(--text-mid);
  font-size: 0.92rem;
  line-height: 1.7;
}

.faq-item.open {
  border-color: var(--terracotta-light);
  background: #FFFCFA;
  box-shadow: var(--shadow-sm);
}

.faq-item.open .faq-answer {
  display: block;
}

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

/* CTA横幅 */
.cta-banner {
  padding: 60px 24px;
  text-align: center;
  border-radius: var(--radius-xl);
  color: #fff;
  background: linear-gradient(135deg, var(--terracotta) 0%, #D4896E 40%, var(--amber) 100%);
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
  top: -80px;
  right: -60px;
}

.cta-banner::after {
  content: '';
  position: absolute;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.04);
  bottom: -50px;
  left: -40px;
}

.cta-banner h2 {
  color: #fff;
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  position: relative;
  z-index: 1;
}

.cta-banner p {
  color: rgba(255, 255, 255, 0.85);
  margin: 14px 0 24px;
  position: relative;
  z-index: 1;
  font-size: 1.05rem;
}

.cta-banner .btn-primary {
  background: #fff;
  color: var(--terracotta);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
  position: relative;
  z-index: 1;
}

.cta-banner .btn-primary:hover {
  background: #fff;
  color: var(--terracotta-deep);
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.2);
  transform: translateY(-3px);
}

/* 页脚 */
.site-footer {
  padding: 56px 0 28px;
  background: #F3E8DD;
  color: var(--text-dark);
  border-top: 1px solid var(--border-soft);
}

.site-footer .container {
  /* 继承 */
}

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

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

.footer-brand p {
  color: var(--text-mid);
  font-size: 0.9rem;
  line-height: 1.6;
  margin-top: 8px;
}

.footer-col h4 {
  font-weight: 700;
  font-size: 0.95rem;
  margin-bottom: 16px;
  color: var(--text-dark);
  letter-spacing: 0.01em;
}

.footer-col a {
  display: block;
  color: var(--text-mid);
  text-decoration: none;
  font-size: 0.88rem;
  padding: 5px 0;
  transition: color 0.2s, transform 0.15s;
}

.footer-col a:hover {
  color: var(--terracotta);
  transform: translateX(3px);
}

.footer-bottom {
  border-top: 1px solid rgba(107, 94, 90, 0.15);
  margin-top: 40px;
  padding-top: 20px;
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-light);
}

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

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

.seo-description {
  max-width: 600px;
  margin: 0 auto 48px;
  opacity: 0.7;
  color: var(--text-mid);
  font-size: 0.95rem;
  line-height: 1.7;
  text-align: center;
}

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

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

/* ============================================
   响应式设计
   ============================================ */

@media (max-width: 1024px) {
  .hero {
    flex-direction: column;
    text-align: center;
    min-height: auto;
    padding-top: 100px;
    padding-bottom: 40px;
  }

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

  .hero p {
    max-width: 100%;
    margin-left: auto;
    margin-right: auto;
  }

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

  .hero-image {
    flex: 0 0 auto;
    width: 100%;
    max-width: 500px;
  }

  .feature-block {
    gap: 36px;
  }

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

@media (max-width: 768px) {
  .section {
    padding: 56px 0;
  }

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

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

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

  .feature-block {
    grid-template-columns: 1fr;
    gap: 28px;
  }

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

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

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

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

  /* 移动端导航 */
  .main-nav {
    display: none;
  }

  .menu-toggle {
    display: flex;
  }

  .main-nav.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 68px;
    left: 0;
    width: 100%;
    background: rgba(253, 247, 242, 0.98);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    padding: 24px;
    border-bottom: 1px solid var(--border-soft);
    box-shadow: var(--shadow-md);
    gap: 6px;
  }

  .main-nav.open a {
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    font-size: 1rem;
    display: block;
    transition: background 0.2s;
  }

  .main-nav.open a:hover {
    background: var(--terracotta-light);
  }

  .main-nav.open .nav-cta {
    text-align: center;
    margin-top: 8px;
  }

  .cta-banner h2 {
    font-size: 1.5rem;
  }

  .cta-banner {
    padding: 44px 20px;
    border-radius: var(--radius-lg);
  }

  .cards-grid {
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 16px;
  }

  .content-wall {
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 16px;
  }
}

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

  .header-inner {
    padding: 0 16px;
  }

  .hero {
    padding-top: 88px;
    min-height: auto;
  }

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

  .hero p {
    font-size: 0.95rem;
  }

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

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

  .hero-image {
    max-width: 100%;
    border-radius: var(--radius-md);
  }

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

  .stats-bar {
    gap: 12px;
  }

  .stat-item {
    padding: 20px 16px;
  }

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

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

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

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

  .footer-col a:hover {
    transform: none;
  }

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

  .category-card {
    padding: 22px 20px;
  }

  .feature-list li {
    font-size: 0.9rem;
  }

  .faq-item .faq-question {
    font-size: 0.9rem;
    padding: 14px 16px;
  }

  .faq-item .faq-answer {
    padding: 0 16px 14px;
    font-size: 0.85rem;
  }

  .cta-banner h2 {
    font-size: 1.3rem;
  }

  .cta-banner p {
    font-size: 0.9rem;
  }

  .btn {
    padding: 11px 22px;
    font-size: 0.9rem;
  }
}

/* ============================================
   额外细节：选中文字、滚动条、焦点状态
   ============================================ */

::selection {
  background: var(--terracotta-light);
  color: var(--terracotta-deep);
}

::-moz-selection {
  background: var(--terracotta-light);
  color: var(--terracotta-deep);
}

:focus-visible {
  outline: 2px solid var(--terracotta);
  outline-offset: 3px;
  border-radius: 2px;
}

/* 平滑滚动 */
html {
  scroll-behavior: smooth;
}

/* 图片通用样式 */
img {
  max-width: 100%;
  height: auto;
}

/* 链接通用重置 */
a {
  color: inherit;
}

/* 针对偶数section内的卡片背景微调 */
.section:nth-child(even) .category-card,
.section:nth-child(even) .stat-item,
.section:nth-child(even) .content-wall-item,
.section:nth-child(even) .faq-item {
  background: #fff;
}

/* 打印样式 */
@media print {
  .site-header,
  .menu-toggle,
  .cta-banner,
  .site-footer {
    display: none;
  }

  body {
    background: #fff;
    color: #000;
  }

  .section {
    padding: 20px 0;
  }

  .section:nth-child(even) {
    background: #fff;
  }
}