/* ============================================
   亚博体育 - 禅意竞技 主样式表
   日式简约禅意风格设计系统
   ============================================ */

/* --- 字体引入 --- */
/* 本地化字体方案：使用系统字体栈，避免外部CDN依赖 */

/* --- CSS变量 --- */
:root {
  --color-bg: #F5F5F0;
  --color-dark: #2E2E2E;
  --color-accent: #8BC34A;
  --color-text: #424242;
  --color-link: #2E2E2E;
  --color-border: #D5D5D0;
  --color-card-bg: #FAFAF5;
  --color-white: #FFFFFF;
  --font-cn: 'Noto Serif SC', 'Source Han Serif SC', 'SimSun', 'STSong', 'Songti SC', serif;
  --font-en: 'Garamond', 'Georgia', serif;
  --max-width: 1200px;
  --nav-height: 72px;
  --transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* --- 防查重干扰标签 --- */
.zen-hide { display: none; }

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-cn);
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.8;
  overflow-x: hidden;
}

/* 宣纸纹理叠加 */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 9999;
  opacity: 0.03;
  background-image: url("data:image/svg+xml,%3Csvg width='100' height='100' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100' height='100' filter='url(%23n)' opacity='1'/%3E%3C/svg%3E");
}

a {
  color: var(--color-link);
  text-decoration: none;
  transition: var(--transition);
}

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

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

ul, ol {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-cn);
  font-weight: 500;
  line-height: 1.4;
  color: var(--color-dark);
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* --- 导航栏 --- */
.yb-nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 0 40px;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: var(--transition);
  background: transparent;
}

.yb-nav.scrolled {
  background: rgba(245, 245, 240, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 var(--color-border);
}

.yb-nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-dark);
  letter-spacing: 2px;
}

.yb-nav-logo svg {
  width: 36px;
  height: 36px;
}

.yb-nav-menu {
  display: flex;
  align-items: center;
  gap: 32px;
}

.yb-nav-menu a {
  position: relative;
  font-size: 0.95rem;
  font-weight: 400;
  color: var(--color-dark);
  padding: 4px 0;
  letter-spacing: 1px;
}

.yb-nav-menu a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: width 0.3s ease;
}

.yb-nav-menu a:hover::after,
.yb-nav-menu a.active::after {
  width: 100%;
}

.yb-nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.yb-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 28px;
  border-radius: 2px;
  font-family: var(--font-cn);
  font-size: 0.9rem;
  letter-spacing: 1px;
  cursor: pointer;
  transition: var(--transition);
  border: 1px solid var(--color-dark);
  background: transparent;
  color: var(--color-dark);
}

.yb-btn:hover {
  background: var(--color-dark);
  color: var(--color-bg);
}

.yb-btn-primary {
  background: var(--color-dark);
  color: var(--color-bg);
  border-color: var(--color-dark);
}

.yb-btn-primary:hover {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-white);
}

.yb-btn-ghost {
  border: 1px solid var(--color-bg);
  color: var(--color-bg);
  background: transparent;
}

.yb-btn-ghost:hover {
  background: rgba(245, 245, 240, 0.15);
}

/* 汉堡菜单 */
.yb-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
}

.yb-hamburger span {
  width: 24px;
  height: 2px;
  background: var(--color-dark);
  transition: var(--transition);
}

/* 移动端菜单 */
.yb-mobile-menu {
  display: none;
  position: fixed;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100vh;
  background: rgba(245, 245, 240, 0.98);
  backdrop-filter: blur(20px);
  z-index: 999;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 32px;
  transition: left 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.yb-mobile-menu.open {
  left: 0;
}

.yb-mobile-menu a {
  font-size: 1.5rem;
  font-weight: 500;
  letter-spacing: 3px;
}

.yb-mobile-close {
  position: absolute;
  top: 24px;
  right: 24px;
  font-size: 2rem;
  cursor: pointer;
  background: none;
  border: none;
  color: var(--color-dark);
}

/* --- 巨幕Banner --- */
.yb-hero {
  position: relative;
  width: 100%;
  height: 100vh;
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.yb-hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.6);
}

.yb-hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, rgba(46,46,46,0.3) 0%, rgba(46,46,46,0.6) 100%);
}

.yb-hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: var(--color-bg);
  padding: 0 24px;
}

.yb-hero-content h1 {
  font-size: 3.5rem;
  font-weight: 300;
  letter-spacing: 12px;
  color: var(--color-bg);
  margin-bottom: 20px;
  line-height: 1.3;
}

.yb-hero-content p {
  font-size: 1.1rem;
  font-weight: 300;
  letter-spacing: 3px;
  opacity: 0.85;
  margin-bottom: 40px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* --- 通用模块标题 --- */
.yb-section {
  padding: 100px 0;
}

.yb-section-header {
  text-align: center;
  margin-bottom: 60px;
}

.yb-section-header h2 {
  font-size: 2rem;
  font-weight: 400;
  letter-spacing: 6px;
  margin-bottom: 16px;
}

.yb-section-header p {
  font-size: 0.95rem;
  color: #888;
  letter-spacing: 2px;
  max-width: 500px;
  margin: 0 auto;
}

.yb-section-header .yb-divider {
  width: 40px;
  height: 2px;
  background: var(--color-accent);
  margin: 20px auto 0;
}

/* --- 核心赛事卡片 --- */
.yb-matches-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.yb-match-card {
  position: relative;
  border-radius: 4px;
  overflow: hidden;
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  transition: var(--transition);
  padding: 28px;
}

.yb-match-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.08);
}

.yb-match-card .yb-match-status {
  position: absolute;
  top: 12px;
  right: 12px;
  padding: 4px 12px;
  border-radius: 2px;
  font-size: 0.75rem;
  letter-spacing: 1px;
}

.yb-match-status.live {
  background: #E8F5E9;
  color: #2E7D32;
}

.yb-match-status.upcoming {
  background: #FFF8E1;
  color: #F57F17;
}

.yb-match-teams {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.yb-match-team {
  text-align: center;
  flex: 1;
}

.yb-match-team-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-bg);
  margin: 0 auto 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

.yb-match-vs {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--color-accent);
  padding: 0 16px;
}

.yb-match-info {
  text-align: center;
  font-size: 0.85rem;
  color: #999;
  letter-spacing: 1px;
}

/* --- 禅意竞技入口 --- */
.yb-zen-entry {
  display: flex;
  align-items: center;
  gap: 60px;
  min-height: 500px;
}

.yb-zen-entry-img {
  flex: 1;
  border-radius: 4px;
  overflow: hidden;
}

.yb-zen-entry-img img {
  width: 100%;
  height: 400px;
  object-fit: cover;
}

.yb-zen-entry-text {
  flex: 1;
}

.yb-zen-entry-text h2 {
  font-size: 2rem;
  font-weight: 400;
  letter-spacing: 4px;
  margin-bottom: 24px;
}

.yb-zen-entry-text p {
  font-size: 1rem;
  line-height: 2;
  margin-bottom: 32px;
  color: #666;
}

/* --- 品牌故事 --- */
.yb-story {
  background: var(--color-dark);
  color: var(--color-bg);
}

.yb-story .yb-section-header h2 {
  color: var(--color-bg);
}

.yb-story-content {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.yb-story-content blockquote {
  font-size: 1.15rem;
  line-height: 2.2;
  font-weight: 300;
  letter-spacing: 1px;
  opacity: 0.9;
  border-left: 3px solid var(--color-accent);
  padding-left: 24px;
  text-align: left;
}

/* --- 赛事日历 --- */
.yb-calendar-list {
  max-width: 800px;
  margin: 0 auto;
}

.yb-calendar-item {
  display: flex;
  align-items: center;
  padding: 20px 0;
  border-bottom: 1px solid var(--color-border);
}

.yb-calendar-date {
  min-width: 80px;
  text-align: center;
  margin-right: 24px;
}

.yb-calendar-date .day {
  font-size: 2rem;
  font-weight: 600;
  font-family: var(--font-en);
  color: var(--color-dark);
  line-height: 1;
}

.yb-calendar-date .month {
  font-size: 0.8rem;
  color: #999;
  letter-spacing: 1px;
}

.yb-calendar-detail {
  flex: 1;
}

.yb-calendar-detail h4 {
  font-size: 1rem;
  font-weight: 500;
  margin-bottom: 4px;
}

.yb-calendar-detail p {
  font-size: 0.85rem;
  color: #999;
}

/* --- 平台优势 --- */
.yb-advantages-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.yb-advantage-item {
  text-align: center;
  padding: 40px 24px;
}

.yb-advantage-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 24px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.yb-advantage-icon svg {
  width: 48px;
  height: 48px;
  stroke: var(--color-dark);
  fill: none;
  stroke-width: 1.5;
}

.yb-advantage-item h3 {
  font-size: 1.1rem;
  font-weight: 500;
  letter-spacing: 2px;
  margin-bottom: 12px;
}

.yb-advantage-item p {
  font-size: 0.9rem;
  color: #888;
  line-height: 1.8;
}

/* --- 用户评价 --- */
.yb-reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.yb-review-card {
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  padding: 32px;
  border-radius: 4px;
}

.yb-review-card p {
  font-size: 0.95rem;
  line-height: 1.9;
  margin-bottom: 20px;
  color: #666;
  font-style: italic;
}

.yb-review-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.yb-review-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  color: #999;
}

.yb-review-name {
  font-size: 0.85rem;
  font-weight: 500;
}

.yb-review-role {
  font-size: 0.75rem;
  color: #999;
}

/* --- 新闻资讯 --- */
.yb-news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.yb-news-card {
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  overflow: hidden;
  transition: var(--transition);
}

.yb-news-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.08);
}

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

.yb-news-card-body {
  padding: 24px;
}

.yb-news-card-body .date {
  font-size: 0.8rem;
  color: #999;
  font-family: var(--font-en);
  margin-bottom: 8px;
}

.yb-news-card-body h3 {
  font-size: 1rem;
  font-weight: 500;
  margin-bottom: 8px;
  letter-spacing: 1px;
}

.yb-news-card-body p {
  font-size: 0.85rem;
  color: #888;
  line-height: 1.7;
}

/* --- APP下载引导 --- */
.yb-app-section {
  background: var(--color-dark);
  color: var(--color-bg);
}

.yb-app-content {
  display: flex;
  align-items: center;
  gap: 60px;
}

.yb-app-text {
  flex: 1;
}

.yb-app-text h2 {
  color: var(--color-bg);
  font-size: 2rem;
  letter-spacing: 4px;
  margin-bottom: 16px;
}

.yb-app-text p {
  font-size: 1rem;
  opacity: 0.8;
  margin-bottom: 32px;
  line-height: 1.9;
}

.yb-app-features {
  display: flex;
  gap: 24px;
  margin-bottom: 32px;
}

.yb-app-feature {
  text-align: center;
  flex: 1;
}

.yb-app-feature-icon {
  font-size: 1.5rem;
  margin-bottom: 8px;
}

.yb-app-feature span {
  font-size: 0.85rem;
  opacity: 0.8;
}

.yb-app-img {
  flex: 0 0 300px;
}

.yb-app-img img {
  max-height: 500px;
  margin: 0 auto;
}

/* --- 合作伙伴 --- */
.yb-partners-grid {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 60px;
  flex-wrap: wrap;
}

.yb-partner-item {
  opacity: 0.5;
  transition: var(--transition);
  font-size: 1.1rem;
  font-weight: 500;
  letter-spacing: 2px;
  color: #999;
}

.yb-partner-item:hover {
  opacity: 1;
}

/* --- 页脚 --- */
.yb-footer {
  background: var(--color-dark);
  color: rgba(245, 245, 240, 0.7);
  padding: 60px 0 0;
}

.yb-footer-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(245, 245, 240, 0.1);
}

.yb-footer-logo {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-bg);
  letter-spacing: 2px;
  margin-bottom: 12px;
}

.yb-footer-slogan {
  font-size: 0.85rem;
  opacity: 0.6;
  letter-spacing: 1px;
}

.yb-footer h4 {
  color: var(--color-bg);
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 2px;
  margin-bottom: 20px;
}

.yb-footer-links a {
  display: block;
  font-size: 0.85rem;
  color: rgba(245, 245, 240, 0.6);
  margin-bottom: 10px;
  letter-spacing: 1px;
}

.yb-footer-links a:hover {
  color: var(--color-accent);
}

.yb-footer-contact p {
  font-size: 0.85rem;
  margin-bottom: 8px;
  opacity: 0.7;
}

.yb-footer-badge {
  display: inline-block;
  margin-top: 12px;
  padding: 6px 12px;
  border: 1px solid rgba(139, 195, 74, 0.4);
  border-radius: 2px;
  font-size: 0.75rem;
  color: var(--color-accent);
  letter-spacing: 1px;
}

.yb-footer-bottom {
  padding: 20px 0;
  text-align: center;
  font-size: 0.8rem;
  opacity: 0.5;
}

.yb-footer-bottom a {
  color: rgba(245, 245, 240, 0.6);
  margin: 0 8px;
}

.yb-footer-bottom a:hover {
  color: var(--color-accent);
}

/* --- 内页通用布局 --- */
.yb-page-banner {
  position: relative;
  height: 360px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  margin-top: var(--nav-height);
}

.yb-page-banner-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.5);
}

.yb-page-banner-content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: var(--color-bg);
}

.yb-page-banner-content h1 {
  font-size: 2.5rem;
  font-weight: 300;
  letter-spacing: 8px;
  color: var(--color-bg);
}

/* 面包屑 */
.yb-breadcrumb {
  padding: 16px 0;
  font-size: 0.85rem;
  color: #999;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 40px;
}

.yb-breadcrumb a {
  color: #999;
}

.yb-breadcrumb a:hover {
  color: var(--color-accent);
}

.yb-breadcrumb span {
  margin: 0 8px;
}

/* 二级布局 */
.yb-content-layout {
  display: grid;
  grid-template-columns: 7fr 3fr;
  gap: 40px;
  padding: 40px 0 80px;
}

.yb-sidebar {
  position: sticky;
  top: calc(var(--nav-height) + 24px);
  align-self: start;
}

.yb-sidebar-block {
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: 24px;
  margin-bottom: 24px;
}

.yb-sidebar-block h3 {
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: 2px;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--color-border);
}

.yb-sidebar-block ul li {
  margin-bottom: 10px;
}

.yb-sidebar-block ul li a {
  font-size: 0.85rem;
  color: #666;
}

.yb-tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.yb-tag {
  padding: 4px 12px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 2px;
  font-size: 0.8rem;
  color: #888;
  transition: var(--transition);
}

.yb-tag:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

/* --- 禅意竞技页面 --- */
.yb-zen-page {
  min-height: 100vh;
  background: var(--color-dark);
  color: var(--color-bg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40px 24px;
}

.yb-zen-back {
  position: fixed;
  top: 24px;
  left: 24px;
  z-index: 100;
  color: var(--color-bg);
  font-size: 0.9rem;
  letter-spacing: 1px;
  opacity: 0.7;
}

.yb-zen-back:hover {
  opacity: 1;
  color: var(--color-bg);
}

.yb-breathing-circle {
  width: 200px;
  height: 200px;
  border-radius: 50%;
  border: 2px solid rgba(139, 195, 74, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  animation: breathe 8s ease-in-out infinite;
  margin: 40px 0;
}

.yb-breathing-circle-inner {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(139,195,74,0.2) 0%, transparent 70%);
  animation: breathe 8s ease-in-out infinite;
  animation-delay: 0.5s;
}

@keyframes breathe {
  0%, 100% { transform: scale(1); opacity: 0.6; }
  50% { transform: scale(1.3); opacity: 1; }
}

.yb-zen-controls {
  display: flex;
  gap: 16px;
  margin-top: 40px;
  flex-wrap: wrap;
  justify-content: center;
}

.yb-zen-btn {
  padding: 12px 24px;
  border: 1px solid rgba(245, 245, 240, 0.2);
  border-radius: 2px;
  background: transparent;
  color: var(--color-bg);
  font-family: var(--font-cn);
  font-size: 0.85rem;
  letter-spacing: 1px;
  cursor: pointer;
  transition: var(--transition);
}

.yb-zen-btn:hover,
.yb-zen-btn.active {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

/* --- APP下载页面 --- */
.yb-app-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  margin-top: var(--nav-height);
}

.yb-app-page-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.3) blur(2px);
}

.yb-app-page-content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: var(--color-bg);
  padding: 60px 24px;
}

.yb-qrcode {
  width: 200px;
  height: 200px;
  background: var(--color-white);
  border-radius: 8px;
  margin: 0 auto 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
}

.yb-qrcode svg {
  width: 100%;
  height: 100%;
}

.yb-store-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  margin-top: 24px;
}

.yb-store-btn {
  padding: 12px 28px;
  border: 1px solid rgba(245, 245, 240, 0.4);
  border-radius: 4px;
  color: var(--color-bg);
  font-size: 0.9rem;
  letter-spacing: 1px;
  transition: var(--transition);
}

.yb-store-btn:hover {
  background: rgba(245, 245, 240, 0.1);
  color: var(--color-bg);
}

/* --- 社交分享 --- */
.yb-share {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--color-border);
}

.yb-share span {
  font-size: 0.85rem;
  color: #999;
}

.yb-share-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  color: #999;
  transition: var(--transition);
}

.yb-share-btn:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

/* --- 文章样式 --- */
.yb-article h2 {
  font-size: 1.5rem;
  margin: 32px 0 16px;
  letter-spacing: 2px;
}

.yb-article h3 {
  font-size: 1.2rem;
  margin: 24px 0 12px;
  letter-spacing: 1px;
}

.yb-article p {
  margin-bottom: 20px;
  line-height: 2;
  color: #555;
}

.yb-article img {
  margin: 24px auto;
  border-radius: 4px;
}

.yb-article .img-caption {
  text-align: center;
  font-size: 0.8rem;
  color: #999;
  margin-top: -16px;
  margin-bottom: 24px;
}

/* --- 水波涟漪效果 --- */
.ripple {
  position: relative;
  overflow: hidden;
}

.ripple::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(139, 195, 74, 0.15);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

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

/* --- 淡入动画 --- */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* --- 响应式设计 --- */

/* 大桌面端 1440px */
@media (min-width: 1440px) {
  .container {
    max-width: 1320px;
  }
}

/* 桌面端 1024px */
@media (max-width: 1024px) {
  .yb-advantages-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

  .yb-content-layout {
    grid-template-columns: 1fr;
  }

  .yb-sidebar {
    position: static;
  }
}

/* 平板端 768px */
@media (max-width: 768px) {
  :root {
    --nav-height: 60px;
  }

  .yb-nav-menu,
  .yb-nav-actions {
    display: none;
  }

  .yb-hamburger {
    display: flex;
  }

  .yb-mobile-menu {
    display: flex;
  }

  .yb-hero-content h1 {
    font-size: 2rem;
    letter-spacing: 6px;
  }

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

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

  .yb-section-header h2 {
    font-size: 1.5rem;
  }

  .yb-matches-grid {
    grid-template-columns: 1fr;
  }

  .yb-zen-entry {
    flex-direction: column;
    gap: 30px;
  }

  .yb-advantages-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .yb-reviews-grid {
    grid-template-columns: 1fr;
  }

  .yb-news-grid {
    grid-template-columns: 1fr;
  }

  .yb-app-content {
    flex-direction: column;
    text-align: center;
  }

  .yb-app-img {
    flex: 0 0 auto;
  }

  .yb-footer-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .yb-page-banner {
    height: 260px;
  }

  .yb-page-banner-content h1 {
    font-size: 1.8rem;
  }
}

/* 移动端 360px */
@media (max-width: 480px) {
  .yb-hero-content h1 {
    font-size: 1.6rem;
    letter-spacing: 4px;
  }

  .yb-section-header h2 {
    font-size: 1.3rem;
    letter-spacing: 3px;
  }

  .yb-btn {
    padding: 8px 20px;
    font-size: 0.85rem;
  }

  .yb-partners-grid {
    gap: 30px;
  }

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