/* ========================================
   澳门娱乐场 - 全站样式表
   配色方案：深紫 + 琥珀金 + 翡翠绿
   字体：思源黑体 + 楷体
   ======================================== */

@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@300;400;500;700;900&family=ZCOOL+KuaiLe&display=swap');

:root {
  --primary-dark: #1a0a2e;
  --primary-purple: #2d1b4e;
  --accent-gold: #d4a843;
  --accent-gold-light: #f0d78c;
  --accent-emerald: #1b8a5a;
  --accent-emerald-light: #2ecc71;
  --text-white: #f5f0e8;
  --text-muted: #b8a9c9;
  --bg-card: rgba(45, 27, 78, 0.85);
  --bg-overlay: rgba(26, 10, 46, 0.92);
  --border-gold: rgba(212, 168, 67, 0.4);
  --shadow-gold: 0 4px 30px rgba(212, 168, 67, 0.15);
  --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.3);
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 32px;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: 'Noto Sans SC', '微软雅黑', sans-serif;
  background: var(--primary-dark);
  color: var(--text-white);
  line-height: 1.8;
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--accent-gold);
  text-decoration: none;
  transition: color 0.3s ease;
}

a:hover {
  color: var(--accent-gold-light);
}

/* ========== 导航栏（非sticky） ========== */
.site-header {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-purple) 100%);
  border-bottom: 2px solid var(--border-gold);
  padding: 0;
  position: relative;
  z-index: 100;
}

.header-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 5%;
  max-width: 1400px;
  margin: 0 auto;
}

.site-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.site-logo img {
  width: 48px;
  height: 48px;
  border-radius: 50%;
}

.site-logo span {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--accent-gold);
  letter-spacing: 1px;
}

.nav-main {
  background: var(--primary-purple);
  border-top: 1px solid rgba(255,255,255,0.05);
}

.nav-main ul {
  list-style: none;
  display: flex;
  justify-content: center;
  gap: 0;
  max-width: 1400px;
  margin: 0 auto;
  flex-wrap: wrap;
}

.nav-main li a {
  display: block;
  padding: 14px 22px;
  color: var(--text-white);
  font-size: 0.95rem;
  font-weight: 500;
  transition: all 0.3s;
  border-bottom: 3px solid transparent;
  white-space: nowrap;
}

.nav-main li a:hover,
.nav-main li a.active {
  color: var(--accent-gold);
  border-bottom-color: var(--accent-gold);
  background: rgba(212, 168, 67, 0.08);
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: 2px solid var(--accent-gold);
  color: var(--accent-gold);
  font-size: 1.5rem;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
}

.cta-header {
  display: inline-block;
  background: linear-gradient(135deg, var(--accent-gold), #e6b84d);
  color: var(--primary-dark) !important;
  padding: 10px 24px;
  border-radius: var(--radius-xl);
  font-weight: 700;
  font-size: 0.9rem;
  transition: transform 0.3s, box-shadow 0.3s;
  border-bottom: none !important;
}

.cta-header:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(212, 168, 67, 0.4);
}

/* ========== Hero 横幅 ========== */
.hero-section {
  position: relative;
  min-height: 520px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.5);
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 60px 5%;
  max-width: 900px;
}

.hero-content h1 {
  font-size: 2.8rem;
  font-weight: 900;
  color: var(--accent-gold);
  text-shadow: 0 3px 20px rgba(0,0,0,0.6);
  margin-bottom: 16px;
  line-height: 1.3;
}

.hero-content p {
  font-size: 1.15rem;
  color: var(--text-white);
  margin-bottom: 28px;
  text-shadow: 0 2px 10px rgba(0,0,0,0.5);
}

.btn-primary {
  display: inline-block;
  background: linear-gradient(135deg, var(--accent-emerald), var(--accent-emerald-light));
  color: #fff !important;
  padding: 14px 40px;
  border-radius: var(--radius-xl);
  font-size: 1.1rem;
  font-weight: 700;
  transition: transform 0.3s, box-shadow 0.3s;
  border: none;
  cursor: pointer;
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(27, 138, 90, 0.4);
}

.btn-gold {
  background: linear-gradient(135deg, var(--accent-gold), #e6b84d);
  color: var(--primary-dark) !important;
}

.btn-gold:hover {
  box-shadow: 0 8px 25px rgba(212, 168, 67, 0.4);
}

/* ========== 通用容器 ========== */
.container {
  max-width: 1300px;
  margin: 0 auto;
  padding: 0 5%;
}

.section-block {
  padding: 60px 0;
}

.section-block:nth-child(even) {
  background: linear-gradient(180deg, rgba(45, 27, 78, 0.3) 0%, transparent 100%);
}

.section-title {
  text-align: center;
  margin-bottom: 40px;
}

.section-title h2 {
  font-size: 2rem;
  font-weight: 900;
  color: var(--accent-gold);
  margin-bottom: 10px;
  position: relative;
  display: inline-block;
}

.section-title h2::after {
  content: '';
  display: block;
  width: 60px;
  height: 3px;
  background: var(--accent-emerald);
  margin: 10px auto 0;
  border-radius: 2px;
}

.section-title p {
  color: var(--text-muted);
  font-size: 1rem;
}

/* ========== 赌场玩法卡片网格 ========== */
.games-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.game-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-gold);
  transition: transform 0.4s, box-shadow 0.4s;
}

.game-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-gold);
}

.game-card-img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.game-card-body {
  padding: 20px;
}

.game-card-body h3 {
  font-size: 1.2rem;
  color: var(--accent-gold);
  margin-bottom: 8px;
}

.game-card-body p {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.7;
}

/* ========== 游戏入口网格 ========== */
.entry-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.entry-card {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  aspect-ratio: 1;
  cursor: pointer;
  border: 2px solid transparent;
  transition: border-color 0.3s, transform 0.3s;
}

.entry-card:hover {
  border-color: var(--accent-gold);
  transform: scale(1.03);
}

.entry-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.entry-card-label {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 14px;
  background: linear-gradient(transparent, rgba(26, 10, 46, 0.95));
  text-align: center;
}

.entry-card-label span {
  color: var(--accent-gold-light);
  font-weight: 700;
  font-size: 1rem;
}

/* ========== 视频模块 ========== */
.video-section {
  position: relative;
}

.video-wrapper {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 2px solid var(--border-gold);
  cursor: pointer;
}

.video-wrapper img {
  width: 100%;
  display: block;
}

.play-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(26, 10, 46, 0.4);
  transition: background 0.3s;
}

.play-overlay:hover {
  background: rgba(26, 10, 46, 0.2);
}

.play-btn-icon {
  width: 80px;
  height: 80px;
  background: rgba(212, 168, 67, 0.9);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.3s;
}

.play-btn-icon::after {
  content: '';
  display: block;
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 16px 0 16px 28px;
  border-color: transparent transparent transparent var(--primary-dark);
  margin-left: 5px;
}

.play-overlay:hover .play-btn-icon {
  transform: scale(1.1);
}

/* ========== 攻略模块 ========== */
.guide-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
  align-items: center;
}

.guide-text h3 {
  font-size: 1.4rem;
  color: var(--accent-gold);
  margin-bottom: 12px;
}

.guide-text p {
  color: var(--text-muted);
  line-height: 1.9;
  margin-bottom: 12px;
}

.guide-text ul {
  list-style: none;
  padding: 0;
}

.guide-text ul li {
  padding: 6px 0 6px 24px;
  position: relative;
  color: var(--text-muted);
}

.guide-text ul li::before {
  content: '\2726';
  position: absolute;
  left: 0;
  color: var(--accent-emerald);
}

.guide-img {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-gold);
}

.guide-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ========== 牌照模块 ========== */
.license-section {
  background: linear-gradient(135deg, var(--primary-purple), var(--primary-dark));
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-lg);
  padding: 40px;
  display: flex;
  gap: 30px;
  align-items: center;
}

.license-badge {
  flex: 0 0 280px;
  border-radius: var(--radius-md);
  overflow: hidden;
}

.license-badge img {
  width: 100%;
}

.license-info h3 {
  color: var(--accent-gold);
  font-size: 1.5rem;
  margin-bottom: 12px;
}

.license-info p {
  color: var(--text-muted);
  margin-bottom: 10px;
  line-height: 1.8;
}

.license-tag {
  display: inline-block;
  background: rgba(27, 138, 90, 0.2);
  color: var(--accent-emerald-light);
  padding: 4px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  margin-right: 8px;
  margin-bottom: 6px;
}

/* ========== 注册模块 ========== */
.register-section {
  background: linear-gradient(135deg, rgba(27, 138, 90, 0.15), rgba(212, 168, 67, 0.1));
  border-radius: var(--radius-lg);
  padding: 50px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
  border: 1px solid var(--border-gold);
}

.register-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.register-form h3 {
  color: var(--accent-gold);
  font-size: 1.6rem;
  margin-bottom: 8px;
}

.register-form input,
.register-form select {
  padding: 14px 18px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-gold);
  background: rgba(26, 10, 46, 0.8);
  color: var(--text-white);
  font-size: 1rem;
  font-family: inherit;
  outline: none;
  transition: border-color 0.3s;
}

.register-form input:focus {
  border-color: var(--accent-gold);
}

.register-form input::placeholder {
  color: var(--text-muted);
}

.register-img {
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.register-img img {
  width: 100%;
  object-fit: cover;
}

/* ========== 支付方式 ========== */
.payment-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
}

.payment-card {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  padding: 24px;
  border: 1px solid var(--border-gold);
  text-align: center;
}

.payment-card h4 {
  color: var(--accent-gold);
  margin-bottom: 8px;
}

.payment-card p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.payment-icons {
  text-align: center;
  margin-top: 30px;
}

.payment-icons img {
  max-width: 500px;
  margin: 0 auto;
}

/* ========== 关于我们 ========== */
.about-content {
  max-width: 900px;
  margin: 0 auto;
}

.about-content h3 {
  color: var(--accent-gold);
  font-size: 1.3rem;
  margin: 24px 0 10px;
}

.about-content p {
  color: var(--text-muted);
  line-height: 1.9;
  margin-bottom: 14px;
}

/* ========== 作者信息 E-E-A-T ========== */
.author-box {
  display: flex;
  gap: 20px;
  align-items: center;
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 24px;
  border: 1px solid var(--border-gold);
  margin-bottom: 30px;
}

.author-box img {
  width: 90px;
  height: 90px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--accent-gold);
}

.author-info h4 {
  color: var(--accent-gold);
  font-size: 1.1rem;
  margin-bottom: 4px;
}

.author-info p {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* ========== 用户评论 ========== */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 20px;
}

.review-card {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  padding: 24px;
  border: 1px solid rgba(255,255,255,0.06);
  transition: border-color 0.3s;
}

.review-card:hover {
  border-color: var(--border-gold);
}

.review-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.review-user {
  font-weight: 700;
  color: var(--accent-gold-light);
}

.review-city {
  color: var(--text-muted);
  font-size: 0.85rem;
}

.review-stars {
  color: var(--accent-gold);
  font-size: 1.1rem;
  letter-spacing: 2px;
}

.review-text {
  color: var(--text-muted);
  font-size: 0.92rem;
  line-height: 1.7;
  margin-bottom: 8px;
}

.review-date {
  color: rgba(184, 169, 201, 0.6);
  font-size: 0.8rem;
}

/* ========== FAQ ========== */
.faq-list {
  max-width: 900px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid rgba(255,255,255,0.08);
  padding: 20px 0;
}

.faq-question {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--accent-gold-light);
  margin-bottom: 8px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 10px;
}

.faq-question::before {
  content: 'Q';
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  background: var(--accent-emerald);
  color: #fff;
  border-radius: 50%;
  font-size: 0.8rem;
  font-weight: 900;
  flex-shrink: 0;
}

.faq-answer {
  color: var(--text-muted);
  padding-left: 38px;
  line-height: 1.8;
}

/* ========== 客户支持 ========== */
.support-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
}

.support-card {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  padding: 28px;
  text-align: center;
  border: 1px solid var(--border-gold);
  transition: transform 0.3s;
}

.support-card:hover {
  transform: translateY(-4px);
}

.support-icon {
  font-size: 2.2rem;
  margin-bottom: 12px;
}

.support-card h4 {
  color: var(--accent-gold);
  margin-bottom: 8px;
}

.support-card p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* ========== 负责任博彩 ========== */
.responsible-section {
  background: rgba(45, 27, 78, 0.5);
  border-radius: var(--radius-lg);
  padding: 40px;
  border-left: 4px solid var(--accent-emerald);
}

.responsible-section h3 {
  color: var(--accent-emerald-light);
  margin-bottom: 16px;
}

.responsible-section p {
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 12px;
}

.age-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border: 3px solid #e74c3c;
  border-radius: 50%;
  color: #e74c3c;
  font-weight: 900;
  font-size: 1.2rem;
  margin-top: 10px;
}

/* ========== 面包屑 ========== */
.breadcrumb {
  padding: 14px 5%;
  max-width: 1400px;
  margin: 0 auto;
  font-size: 0.85rem;
}

.breadcrumb a {
  color: var(--text-muted);
}

.breadcrumb span {
  color: var(--accent-gold);
  margin: 0 6px;
}

/* ========== 内页内容 ========== */
.page-hero {
  position: relative;
  min-height: 320px;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
}

.page-hero img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.45);
}

.page-hero-content {
  position: relative;
  z-index: 2;
  padding: 40px 5%;
  max-width: 1400px;
  width: 100%;
  margin: 0 auto;
}

.page-hero-content h1 {
  font-size: 2.2rem;
  color: var(--accent-gold);
  font-weight: 900;
}

.page-hero-content p {
  color: var(--text-white);
  margin-top: 8px;
}

.content-article {
  max-width: 900px;
  margin: 0 auto;
  padding: 40px 5%;
}

.content-article h2 {
  color: var(--accent-gold);
  font-size: 1.6rem;
  margin: 32px 0 14px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--border-gold);
}

.content-article h3 {
  color: var(--accent-gold-light);
  font-size: 1.25rem;
  margin: 24px 0 10px;
}

.content-article p {
  color: var(--text-muted);
  line-height: 1.9;
  margin-bottom: 16px;
}

.content-article ul, .content-article ol {
  padding-left: 24px;
  margin-bottom: 16px;
}

.content-article li {
  color: var(--text-muted);
  margin-bottom: 6px;
  line-height: 1.7;
}

.content-article img {
  border-radius: var(--radius-md);
  margin: 20px 0;
  border: 1px solid var(--border-gold);
}

.content-article table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
}

.content-article table th,
.content-article table td {
  padding: 12px 16px;
  border: 1px solid var(--border-gold);
  text-align: left;
}

.content-article table th {
  background: var(--primary-purple);
  color: var(--accent-gold);
  font-weight: 700;
}

.content-article table td {
  color: var(--text-muted);
}

/* ========== APP下载页 ========== */
.app-hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
  padding: 60px 5%;
  max-width: 1200px;
  margin: 0 auto;
}

.app-info h1 {
  font-size: 2.2rem;
  color: var(--accent-gold);
  margin-bottom: 16px;
}

.app-info p {
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 20px;
}

.app-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-bottom: 28px;
}

.app-feature-item {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.app-feature-item::before {
  content: '\2713';
  color: var(--accent-emerald-light);
  font-weight: 900;
}

.download-btns {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.download-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: var(--radius-md);
  font-weight: 700;
  font-size: 1rem;
  transition: transform 0.3s, box-shadow 0.3s;
}

.download-btn:hover {
  transform: translateY(-3px);
}

.download-btn.ios {
  background: linear-gradient(135deg, #333, #555);
  color: #fff !important;
}

.download-btn.android {
  background: linear-gradient(135deg, var(--accent-emerald), var(--accent-emerald-light));
  color: #fff !important;
}

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

.app-mockup img {
  max-height: 550px;
  margin: 0 auto;
  filter: drop-shadow(0 20px 40px rgba(0,0,0,0.5));
}

/* ========== 页脚 ========== */
.site-footer {
  background: linear-gradient(180deg, var(--primary-purple), #0d0518);
  border-top: 2px solid var(--border-gold);
  padding: 50px 5% 20px;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  max-width: 1400px;
  margin: 0 auto 40px;
}

.footer-col h4 {
  color: var(--accent-gold);
  font-size: 1.05rem;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border-gold);
}

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

.footer-col ul li {
  margin-bottom: 8px;
}

.footer-col ul li a {
  color: var(--text-muted);
  font-size: 0.9rem;
  transition: color 0.3s, padding-left 0.3s;
}

.footer-col ul li a:hover {
  color: var(--accent-gold);
  padding-left: 6px;
}

.footer-col p {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.7;
}

.footer-social {
  display: flex;
  gap: 12px;
  margin-top: 12px;
}

.footer-social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(212, 168, 67, 0.15);
  color: var(--accent-gold);
  font-size: 1.1rem;
  transition: background 0.3s;
}

.footer-social a:hover {
  background: var(--accent-gold);
  color: var(--primary-dark);
}

.footer-bottom {
  text-align: center;
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,0.06);
  max-width: 1400px;
  margin: 0 auto;
}

.footer-bottom p {
  color: rgba(184, 169, 201, 0.5);
  font-size: 0.82rem;
  margin-bottom: 6px;
}

.footer-payment {
  margin: 16px 0;
}

.footer-payment img {
  max-width: 400px;
  margin: 0 auto;
  opacity: 0.7;
}

.footer-age {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #e74c3c;
  font-weight: 700;
  font-size: 0.9rem;
  margin-top: 8px;
}

/* ========== 响应式 ========== */
@media (max-width: 1024px) {
  .games-grid { grid-template-columns: repeat(2, 1fr); }
  .entry-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .guide-grid { grid-template-columns: 1fr; }
  .license-section { flex-direction: column; }
  .license-badge { flex: none; max-width: 300px; }
  .register-section { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  html { font-size: 15px; }

  .mobile-menu-btn { display: block; }

  .nav-main {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--primary-dark);
    z-index: 999;
    border-bottom: 2px solid var(--border-gold);
  }

  .nav-main.open { display: block; }

  .nav-main ul {
    flex-direction: column;
  }

  .nav-main li a {
    padding: 14px 5%;
    border-bottom: 1px solid rgba(255,255,255,0.05);
  }

  .hero-content h1 { font-size: 1.8rem; }
  .hero-section { min-height: 380px; }

  .games-grid { grid-template-columns: 1fr; }
  .entry-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr; }

  .app-hero {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .app-features { grid-template-columns: 1fr; }

  .download-btns { justify-content: center; }

  .section-block { padding: 40px 0; }

  .license-section { padding: 24px; }

  .register-section { padding: 28px; }

  .page-hero { min-height: 220px; }
  .page-hero-content h1 { font-size: 1.6rem; }
}

@media (max-width: 480px) {
  html { font-size: 14px; }
  .entry-grid { grid-template-columns: 1fr 1fr; }
  .hero-content h1 { font-size: 1.5rem; }
  .section-title h2 { font-size: 1.5rem; }
  .reviews-grid { grid-template-columns: 1fr; }
  .support-grid { grid-template-columns: 1fr 1fr; }
}

/* ========== 动画 ========== */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

.animate-in {
  animation: fadeInUp 0.6s ease forwards;
}

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

::-webkit-scrollbar-track {
  background: var(--primary-dark);
}

::-webkit-scrollbar-thumb {
  background: var(--accent-gold);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--accent-gold-light);
}