/* 行知探索 - 主样式表 | 橄榄绿+暖沙+深棕 | 户外文旅/体验式教育/团建拓展 */

/* ===== 字体导入 ===== */


/* ===== CSS 变量 ===== */
:root {
  /* 主色系 - 自然户外 */
  --color-primary: #5A6B4A;
  --color-primary-dark: #4A5B3A;
  --color-primary-light: #7A8B6A;
  --color-primary-bg: #EEF2EA;

  /* 暖沙色系 */
  --color-sand: #E9E0D2;
  --color-sand-light: #F5F0E8;
  --color-sand-dark: #D4C9B8;

  /* 强调色 */
  --color-accent: #E67E22;
  --color-accent-dark: #D35400;
  --color-accent-light: #FDEBD0;
  --color-accent-bg: #FFF5EC;

  /* 深棕 */
  --color-brown: #4A3B2C;
  --color-brown-light: #6B5F52;

  /* 背景 */
  --color-bg: #FDFAF5;
  --color-bg-alt: #F5F0E8;
  --color-bg-warm: #FEF9F3;

  /* 表面/卡片 */
  --color-surface: #FFFFFF;
  --color-surface-hover: #FAF7F2;

  /* 文字 */
  --color-text: #2C2416;
  --color-text-secondary: #6B5F52;
  --color-text-muted: #9B8F82;
  --color-text-light: #BFB5A8;

  /* 边框 */
  --color-border: #E0D8CC;
  --color-border-light: #EDE8E0;
  --color-border-hover: #5A6B4A;

  /* 阴影 */
  --shadow-sm: 0 1px 3px rgba(74, 59, 44, 0.06);
  --shadow: 0 2px 12px rgba(74, 59, 44, 0.08);
  --shadow-md: 0 4px 20px rgba(74, 59, 44, 0.10);
  --shadow-lg: 0 8px 32px rgba(74, 59, 44, 0.12);

  /* 圆角 */
  --radius-sm: 6px;
  --radius: 10px;
  --radius-lg: 14px;
  --radius-xl: 20px;
  --radius-full: 9999px;

  /* 间距 */
  --section-gap: 88px;
  --section-gap-sm: 56px;

  /* 字体 */
  --font-heading: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
  --font-body: 'Noto Sans SC', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;

  /* 过渡 */
  --transition: 0.3s ease;
  --transition-fast: 0.2s ease;

  /* 容器 */
  --container-max: 1200px;
  --container-padding: 24px;
}

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

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

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: color var(--transition-fast); }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; font-size: inherit; }
input, textarea, select { font-family: inherit; font-size: inherit; }

::selection { background: rgba(90, 107, 74, 0.2); color: var(--color-text); }

/* 滚动条 */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--color-bg); }
::-webkit-scrollbar-thumb { background: var(--color-border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--color-text-muted); }

/* ===== 容器 ===== */
.container {
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
}

.container--narrow { max-width: 900px; }
.container--wide { max-width: 1320px; }

/* ===== 排版 ===== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.3;
  color: var(--color-brown);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.45rem; }
h4 { font-size: 1.2rem; }

p { margin-bottom: 1rem; }
p:last-child { margin-bottom: 0; }

.section-title {
  text-align: center;
  margin-bottom: 52px;
}

.section-title .section-label {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-primary);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 10px;
  padding: 4px 14px;
  background: var(--color-primary-bg);
  border-radius: var(--radius-full);
}

.section-label--sm { margin-bottom: 14px !important; }

.section-title h2 {
  font-size: 2rem;
  color: var(--color-brown);
  margin-bottom: 14px;
  letter-spacing: 0.02em;
}

.section-title p {
  font-size: 1rem;
  color: var(--color-text-secondary);
  max-width: 580px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.7;
}

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 30px;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius);
  transition: all var(--transition-fast);
  cursor: pointer;
  white-space: nowrap;
  line-height: 1.4;
  letter-spacing: 0.01em;
}

.btn--primary {
  background: var(--color-accent);
  color: #fff;
}
.btn--primary:hover {
  background: var(--color-accent-dark);
  box-shadow: 0 4px 18px rgba(230, 126, 34, 0.35);
  transform: translateY(-2px);
}

.btn--outline {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}
.btn--outline:hover {
  background: var(--color-primary);
  color: #fff;
  transform: translateY(-2px);
}

.btn--ghost {
  background: transparent;
  color: var(--color-text-secondary);
  border: 1.5px solid var(--color-border);
}
.btn--ghost:hover {
  background: var(--color-bg-alt);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn--white {
  background: #fff;
  color: var(--color-brown);
  border: 2px solid #fff;
}
.btn--white:hover {
  background: transparent;
  color: #fff;
}

.btn--lg {
  padding: 16px 38px;
  font-size: 1.05rem;
  border-radius: var(--radius-lg);
}

.btn i { font-size: 0.9em; }

/* ===== Header（导航栏） ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: 74px;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border-light);
  transition: all var(--transition);
}

.header.scrolled {
  box-shadow: var(--shadow);
  background: rgba(255, 255, 255, 0.98);
}

.header .container {
  display: flex;
  align-items: center;
  height: 100%;
}

/* Logo */
.header__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  margin-right: auto;
}

.header__logo-icon {
  width: 42px;
  height: 42px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 800;
}

.header__logo-name {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-brown);
  letter-spacing: 0.03em;
}

.header__logo-sub {
  font-size: 0.65rem;
  color: var(--color-text-muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* 主导航 */
.nav {
  display: flex;
  align-items: center;
  gap: 2px;
}

.nav__link {
  display: inline-flex;
  align-items: center;
  padding: 8px 15px;
  font-size: 0.925rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  white-space: nowrap;
  cursor: pointer;
}

.nav__link:hover,
.nav__link.active {
  color: var(--color-primary);
  background: var(--color-primary-bg);
}

.nav__link i {
  font-size: 0.6rem;
  margin-left: 5px;
  transition: transform var(--transition-fast);
}

/* 导航下拉 */
.nav__item { position: relative; }

.nav__item:hover .nav__link i { transform: rotate(180deg); }

.nav__dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 170px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  padding: 8px 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--transition-fast);
  z-index: 60;
}

.nav__item:hover .nav__dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(4px);
}

.nav__dropdown a {
  display: block;
  padding: 8px 22px;
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
  cursor: pointer;
}

.nav__dropdown a:hover {
  color: var(--color-primary);
  background: var(--color-primary-bg);
}

/* 导航右侧操作 */
.nav__actions {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-left: 20px;
}

.nav__actions .btn {
  padding: 9px 22px;
  font-size: 0.875rem;
}

/* 汉堡菜单按钮 (独立于 nav__actions, 避坑13.4) */
.hamburger {
  display: none;
  width: 44px;
  height: 44px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  margin-left: 10px;
  z-index: 110;
  cursor: pointer;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-brown);
  border-radius: 2px;
  transition: all 0.3s ease;
  transform-origin: center;
}

.hamburger span:nth-child(3) { width: 17px; }

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}
.hamburger.active span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.hamburger.active span:nth-child(3) {
  width: 24px;
  transform: rotate(-45deg) translate(5px, -5px);
}

/* 移动端侧滑菜单 */
.mobile-nav {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: 82%;
  max-width: 380px;
  background: var(--color-surface);
  z-index: 120;
  transform: translateX(-100%);
  transition: transform 0.35s ease-out;
  box-shadow: var(--shadow-lg);
  overflow-y: auto;
}

.mobile-nav.open { transform: translateX(0); }

.mobile-nav .mobile-nav__inner { padding: 28px; padding-top: 84px; }

.mobile-nav__link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--color-brown);
  border-radius: var(--radius);
  transition: all var(--transition-fast);
  cursor: pointer;
}

.mobile-nav__link:hover {
  background: var(--color-primary-bg);
  color: var(--color-primary);
}

.mobile-nav__link i {
  font-size: 0.65rem;
  color: var(--color-text-muted);
  transition: transform var(--transition-fast);
}

.mobile-nav__group { margin-bottom: 2px; }

.mobile-nav__sub {
  padding-left: 16px;
  display: none;
}

.mobile-nav__sub.open { display: block; }

.mobile-nav__sub a {
  display: block;
  padding: 11px 16px;
  font-size: 0.95rem;
  color: var(--color-text-secondary);
  border-radius: var(--radius);
  transition: all var(--transition-fast);
  cursor: pointer;
}

.mobile-nav__sub a:hover {
  color: var(--color-primary);
  background: var(--color-primary-bg);
}

.mobile-nav__overlay {
  position: fixed;
  inset: 0;
  background: rgba(44, 36, 22, 0.45);
  z-index: 115;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.mobile-nav__overlay.show {
  opacity: 1;
  pointer-events: auto;
}

.mobile-nav__cta {
  margin-top: 28px;
  padding-top: 24px;
  border-top: 1px solid var(--color-border-light);
}

/* 移动端导航品牌标识 */
.mobile-nav__brand {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 28px;
}

.mobile-nav__brand-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 800;
}

.mobile-nav__brand-name {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-brown);
}

body.menu-open { overflow: hidden; }

/* ===== 通用区块 ===== */
.section { padding: var(--section-gap) 0; }
.section--sm { padding: var(--section-gap-sm) 0; }
.section--alt { background: var(--color-bg-alt); }
.section--warm { background: var(--color-bg-warm); }
.section--dark { background: var(--color-brown); color: rgba(255, 255, 255, 0.85); }
.section--dark .section-title h2 { color: #fff; }
.section--dark .section-title p { color: rgba(255, 255, 255, 0.65); }
.section--dark .section-label { background: rgba(255,255,255,0.1); color: var(--color-accent); }
.section--search-results { padding-top: 36px; }

/* ===== 网格系统 ===== */
.grid { display: grid; gap: 24px; }
.grid-cols-1 { grid-template-columns: 1fr; }
.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid-cols-4 { grid-template-columns: repeat(4, 1fr); }

/* ===== Hero 视频 Banner ===== */
.hero-video {
  position: relative;
  height: 100vh;
  min-height: 600px;
  max-height: 850px;
  overflow: hidden;
  margin-top: 74px;
  background: var(--color-brown);
}

.hero-video__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-video__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(44, 36, 22, 0.55) 0%, rgba(44, 36, 22, 0.35) 50%, rgba(44, 36, 22, 0.65) 100%);
  z-index: 1;
}

.hero-video__content {
  position: relative;
  z-index: 2;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 0 var(--container-padding);
  max-width: 800px;
  margin: 0 auto;
}

.hero-video__tag {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-accent);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 20px;
  padding: 6px 16px;
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(8px);
  border-radius: var(--radius-full);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.hero-video__title {
  font-family: var(--font-heading);
  font-size: 3.25rem;
  font-weight: 800;
  color: #fff;
  line-height: 1.25;
  margin-bottom: 20px;
  letter-spacing: 0.03em;
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

.hero-video__subtitle {
  font-size: 1.2rem;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 36px;
  max-width: 520px;
  line-height: 1.7;
  font-weight: 400;
}

.hero-video__buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
}

.hero-video__scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.8rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  animation: bounceDown 2s infinite;
}

@keyframes bounceDown {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

/* Hero fallback image */
.hero-fallback {
  display: block;
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
}

/* ===== 服务入口图标区 ===== */
.service-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.service-card {
  text-align: center;
  padding: 36px 24px;
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  transition: all var(--transition);
  cursor: pointer;
  display: block;
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary);
  background: var(--color-primary-bg);
}

.service-card__icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--color-primary-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 18px;
  color: var(--color-primary);
  font-size: 1.5rem;
  transition: all var(--transition);
}

.service-card:hover .service-card__icon {
  background: var(--color-primary);
  color: #fff;
  transform: scale(1.05);
}

.service-card__title {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-brown);
  margin-bottom: 8px;
}

.service-card__desc {
  font-size: 0.88rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* ===== 户外活动卡片（产品卡片） ===== */
.activity-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all var(--transition);
  cursor: pointer;
  display: block;
}

.activity-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-border-hover);
}

.activity-card__image {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4 / 3;
}

.activity-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.activity-card:hover .activity-card__image img { transform: scale(1.06); }

.activity-card__badge {
  position: absolute;
  top: 14px;
  right: 14px;
  padding: 5px 12px;
  background: var(--color-accent);
  color: #fff;
  font-size: 0.78rem;
  font-weight: 600;
  border-radius: var(--radius-full);
}

.activity-card__body { padding: 22px; }

.activity-card__title {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-brown);
  margin-bottom: 10px;
  transition: color var(--transition-fast);
}

.activity-card:hover .activity-card__title { color: var(--color-primary); }
.activity-card__title--sm { font-size: 0.95rem; }

.activity-card__desc {
  font-size: 0.88rem;
  color: var(--color-text-secondary);
  line-height: 1.65;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 14px;
}

.activity-card__meta {
  display: flex;
  gap: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--color-border-light);
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.activity-card__meta span {
  display: flex;
  align-items: center;
  gap: 5px;
}

.activity-card__meta i { color: var(--color-primary); font-size: 0.75rem; }

/* ===== 研学课程卡片（大卡片2列） ===== */
.course-card {
  position: relative;
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition);
  cursor: pointer;
  display: block;
}

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

.course-card__image {
  overflow: hidden;
  aspect-ratio: 16 / 9;
}

.course-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.course-card:hover .course-card__image img { transform: scale(1.05); }

.course-card__body { padding: 24px; }

.course-card__age {
  display: inline-block;
  padding: 4px 14px;
  background: var(--color-primary-bg);
  color: var(--color-primary);
  font-size: 0.8rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  margin-bottom: 12px;
}

.course-card__title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-brown);
  margin-bottom: 10px;
  transition: color var(--transition-fast);
}

.course-card:hover .course-card__title { color: var(--color-primary); }

.course-card__highlights {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.course-card__highlights span {
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  padding: 3px 10px;
  background: var(--color-bg-alt);
  border-radius: var(--radius-sm);
}

.course-card__highlights span i {
  margin-right: 3px;
}

.course-card__cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  border-top: 1px solid var(--color-border-light);
}

.course-card__price {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-accent);
}

.course-card__more {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-primary);
}

/* 紧凑型课程卡片 */
.course-card--compact .course-card__body { padding: 16px; }
.course-card--compact .course-card__age { font-size: 0.72rem; }
.course-card--compact .course-card__title { font-size: 0.9rem; }
.course-card--compact .course-card__price { font-size: 0.9rem; }

/* ===== 团建案例卡片 ===== */
.case-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all var(--transition);
  cursor: pointer;
  display: block;
}

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

.case-card__image {
  overflow: hidden;
  aspect-ratio: 3 / 2;
}

.case-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.case-card:hover .case-card__image img { transform: scale(1.06); }

.case-card__body { padding: 20px; }

.case-card__company {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 6px;
  letter-spacing: 0.05em;
}

.case-card__title {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-brown);
  margin-bottom: 8px;
  transition: color var(--transition-fast);
}

.case-card:hover .case-card__title { color: var(--color-primary); }

.case-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 10px;
}

.case-card__tags span {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  padding: 2px 10px;
  background: var(--color-bg-alt);
  border-radius: var(--radius-full);
}

/* Case Swiper 分页器 */
.case-pagination {
  position: relative;
  margin-top: 24px;
}

.detail-pagination {
  position: relative;
  margin-top: 12px;
}

/* ===== 新闻列表项（左图右文） ===== */
.news-list-item {
  display: flex;
  gap: 24px;
  padding: 22px;
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius);
  transition: all var(--transition);
  cursor: pointer;
}

.news-list-item:hover {
  border-color: var(--color-border-hover);
  box-shadow: var(--shadow);
  background: var(--color-surface-hover);
}

.news-list-item__image {
  flex-shrink: 0;
  width: 240px;
  height: 160px;
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.news-list-item__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.news-list-item:hover .news-list-item__image img { transform: scale(1.06); }

.news-list-item__body {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-width: 0;
}

.news-list-item__date {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 5px;
}

.news-list-item__title {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-brown);
  margin-bottom: 8px;
  transition: color var(--transition-fast);
}

.news-list-item:hover .news-list-item__title { color: var(--color-primary); }

.news-list-item__desc {
  font-size: 0.88rem;
  color: var(--color-text-secondary);
  line-height: 1.65;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 10px;
}

.news-list-item__more {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-primary);
  display: flex;
  align-items: center;
  gap: 4px;
  transition: gap var(--transition-fast);
}

.news-list-item:hover .news-list-item__more { gap: 8px; }

.news-list-container {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* ===== 新闻卡片（网格模式） ===== */
.news-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all var(--transition);
  display: block;
  cursor: pointer;
}

.news-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
  border-color: var(--color-border-hover);
}

.news-card__image {
  overflow: hidden;
  aspect-ratio: 16 / 10;
}

.news-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.news-card:hover .news-card__image img { transform: scale(1.05); }

.news-card__body { padding: 18px; }

.news-card__date {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-bottom: 6px;
}

.news-card__title {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-brown);
  transition: color var(--transition-fast);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-card:hover .news-card__title { color: var(--color-primary); }

/* ===== 数字统计区 ===== */
.stats-section {
  background: var(--color-primary);
  padding: 64px 0;
  position: relative;
  overflow: hidden;
}

.stats-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M30 5 L55 55 L5 55 Z' fill='rgba(255,255,255,0.03)'/%3E%3C/svg%3E");
  background-size: 60px 60px;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  text-align: center;
  position: relative;
  z-index: 1;
}

.stat-item__number {
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 800;
  color: #fff;
  line-height: 1.1;
  margin-bottom: 8px;
  font-variant-numeric: tabular-nums;
}

.stat-item__number sup {
  font-size: 1.5rem;
  font-weight: 700;
}

.stat-item__label {
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.75);
  font-weight: 500;
}

/* ===== 视频故事区块 ===== */
.video-story {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.video-story__player {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background: var(--color-brown);
  cursor: pointer;
}

.video-story__player--bg {
  background-size: cover;
  background-position: center;
}

.video-story__player video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.video-story__play-btn {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  font-size: 1.5rem;
  transition: all var(--transition);
  z-index: 2;
}

.video-story__player:hover .video-story__play-btn {
  background: var(--color-accent);
  color: #fff;
  transform: translate(-50%, -50%) scale(1.1);
}

.video-story__content h3 {
  font-size: 1.75rem;
  margin-bottom: 16px;
}

.video-story__content p {
  font-size: 1rem;
  color: var(--color-text-secondary);
  line-height: 1.8;
  margin-bottom: 24px;
}

/* ===== CTA 区块 ===== */
.cta-section {
  position: relative;
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-brown));
  text-align: center;
  padding: 88px 0;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: -40%;
  right: -15%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(255,255,255,0.04) 0%, transparent 70%);
  border-radius: 50%;
}

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

.cta-section .section-label {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-accent);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.cta-section h2 {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 16px;
}

.cta-section p {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.7);
  max-width: 520px;
  margin: 0 auto 36px;
  line-height: 1.7;
}

.cta-section .btn-group {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
}

.cta-section__phone {
  margin-bottom: 24px;
  color: rgba(255, 255, 255, 0.8);
  font-size: 1.3rem;
}

.cta-section__phone i {
  margin-right: 8px;
}

/* ===== 合作伙伴 Logo 墙 ===== */
.partner-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 40px;
  padding: 24px 0;
}

.partner-grid a {
  display: flex;
  align-items: center;
  justify-content: center;
  filter: grayscale(100%);
  opacity: 0.5;
  transition: all var(--transition);
}

.partner-grid a:hover {
  filter: grayscale(0%);
  opacity: 1;
}

.partner-grid img {
  max-height: 40px;
  width: auto;
}

/* ===== 内页 Banner ===== */
.inner-banner {
  position: relative;
  height: 340px;
  background: var(--color-bg-alt);
  overflow: hidden;
  margin-top: 74px;
}

.inner-banner__bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
}

.inner-banner__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(44, 36, 22, 0.55), rgba(44, 36, 22, 0.4));
}

.inner-banner__content {
  position: relative;
  z-index: 1;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.inner-banner__title {
  font-family: var(--font-heading);
  font-size: 2.25rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 10px;
}

.inner-banner__subtitle {
  font-size: 1.05rem;
  color: rgba(255, 255, 255, 0.75);
}

.inner-banner__category {
  font-size: 0.82rem;
  color: var(--color-accent);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 8px;
  display: block;
  font-weight: 600;
}

/* ===== 面包屑 ===== */
.breadcrumb {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border-light);
  padding: 13px 0;
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.breadcrumb .container { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.breadcrumb a { color: var(--color-text-secondary); }
.breadcrumb a:hover { color: var(--color-primary); }
.breadcrumb .sep { margin: 0 4px; color: var(--color-text-light); font-size: 0.65rem; }

/* ===== 子栏目过滤 Tab ===== */
.sort-tabs {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border-light);
  padding: 0;
  position: sticky;
  top: 74px;
  z-index: 40;
}

.sort-tabs .container {
  display: flex;
  gap: 4px;
  overflow-x: auto;
  padding-top: 12px;
  padding-bottom: 12px;
  -ms-overflow-style: none;
  scrollbar-width: none;
}

.sort-tabs .container::-webkit-scrollbar { display: none; }

.sort-tab {
  display: inline-flex;
  padding: 9px 22px;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  border-radius: var(--radius-full);
  white-space: nowrap;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.sort-tab:hover { color: var(--color-primary); background: var(--color-primary-bg); }

.sort-tab.active {
  color: #fff;
  background: var(--color-primary);
}

/* ===== 分页 ===== */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  margin-top: 48px;
  flex-wrap: wrap;
}

.pagination a,
.pagination .page-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 42px;
  height: 42px;
  padding: 0 8px;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.pagination a:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.pagination a.active,
.pagination .page-num.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}

/* ===== 空数据 ===== */
.no-data {
  text-align: center;
  padding: 80px 0;
  color: var(--color-text-muted);
}

.no-data i {
  font-size: 3.5rem;
  color: var(--color-text-light);
  margin-bottom: 16px;
  display: block;
}

.no-data p { font-size: 1rem; }

/* ===== 详情页 ===== */
.detail-header {
  margin-bottom: 28px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--color-border);
}

.detail-header h1 {
  font-size: 2rem;
  margin-bottom: 14px;
}

.detail-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.detail-meta span {
  display: flex;
  align-items: center;
  gap: 5px;
}

.detail-meta i { font-size: 0.75rem; color: var(--color-primary); }

.detail-cover {
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 32px;
}

.detail-cover img {
  width: 100%;
  height: auto;
}

/* Swiper 详情轮播 */
.detail-swiper {
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 32px;
}

.detail-swiper .swiper-slide img {
  width: 100%;
  height: 460px;
  object-fit: cover;
}

/* 详情正文 */
.detail-body {
  color: var(--color-text);
  line-height: 1.9;
  font-size: 1rem;
}

.detail-body p { margin-bottom: 1.25rem; }

.detail-body h2, .detail-body h3, .detail-body h4 {
  font-family: var(--font-heading);
  color: var(--color-brown);
  margin-top: 2rem;
  margin-bottom: 1rem;
}

.detail-body h2 { font-size: 1.5rem; }
.detail-body h3 { font-size: 1.25rem; }

.detail-body img {
  border-radius: var(--radius);
  max-width: 100%;
  height: auto;
  margin: 1.5rem 0;
}

.detail-body strong { color: var(--color-primary-dark); }

.detail-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0;
}

.detail-body table th,
.detail-body table td {
  padding: 10px 16px;
  border: 1px solid var(--color-border);
  text-align: left;
}

.detail-body table th {
  background: var(--color-bg-alt);
  color: var(--color-text-secondary);
  font-weight: 600;
}

/* 上下篇导航 */
.prev-next {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--color-border);
  font-size: 0.88rem;
  color: var(--color-text-muted);
  gap: 16px;
}

.prev-next a { color: var(--color-text-secondary); }
.prev-next a:hover { color: var(--color-primary); }

/* ===== 信息参数卡片（活动详情） ===== */
.info-card {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius);
  padding: 28px;
}

.info-card__title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-brown);
  margin-bottom: 20px;
  padding-bottom: 14px;
  border-bottom: 2px solid var(--color-primary);
}

.info-card__list { display: flex; flex-direction: column; gap: 14px; }

.info-card__item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.9rem;
  color: var(--color-text-secondary);
}

.info-card__item i {
  color: var(--color-primary);
  width: 20px;
  text-align: center;
  margin-top: 2px;
  flex-shrink: 0;
}

.info-card__item strong {
  color: var(--color-brown);
  min-width: 70px;
  flex-shrink: 0;
}

.info-card__price {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-accent);
  margin-top: 8px;
}

/* ===== 难度星级 ===== */
.difficulty-stars { color: var(--color-accent); letter-spacing: 2px; font-size: 0.95rem; }

/* ===== Tab 切换 ===== */
.tabs {
  display: flex;
  border-bottom: 2px solid var(--color-border-light);
  margin-bottom: 28px;
}

.tab-btn {
  padding: 12px 24px;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-text-muted);
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: all var(--transition-fast);
  cursor: pointer;
  background: none;
}

.tab-btn:hover { color: var(--color-text); }
.tab-btn.active { color: var(--color-primary); border-bottom-color: var(--color-primary); }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ===== 表单 ===== */
.form-grid { margin-bottom: 16px; }

.form-group { margin-bottom: 20px; }

.form-label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-brown);
  margin-bottom: 6px;
}

.form-label .required { color: var(--color-accent); margin-left: 3px; }

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 12px 16px;
  font-size: 0.95rem;
  color: var(--color-text);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  transition: all var(--transition-fast);
  outline: none;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(90, 107, 74, 0.12);
}

.form-input::placeholder,
.form-textarea::placeholder { color: var(--color-text-light); }

.form-textarea { resize: vertical; min-height: 130px; }

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%239B8F82' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 40px;
}

.checkcode-box {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 4px;
}

.checkcode-box input { width: 140px !important; }
.checkcode-box img { height: 44px; border-radius: var(--radius-sm); cursor: pointer; }

/* ===== 联系方式卡片 ===== */
.contact-card {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px;
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius);
  transition: all var(--transition);
}

.contact-card:hover { box-shadow: var(--shadow-sm); }

.contact-card__icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius);
  background: var(--color-primary-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  flex-shrink: 0;
  font-size: 1.05rem;
}

.contact-card__info h4 {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-brown);
  margin-bottom: 4px;
}

.contact-card__info p {
  font-size: 0.88rem;
  color: var(--color-text-secondary);
}

/* ===== 地图占位 ===== */
.map-wrapper {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  height: 440px;
}

.map-wrapper iframe {
  width: 100%;
  height: 100%;
  border: none;
}

/* ===== 联系页面微信区 ===== */
.contact-wechat-box {
  padding: 20px;
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius);
  text-align: center;
}

.contact-wechat-box h4 {
  font-family: var(--font-heading);
  font-weight: 600;
  margin-bottom: 14px;
}

.contact-wechat-box__qr {
  width: 140px;
  height: 140px;
  margin: 0 auto;
  background: var(--color-bg-alt);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  font-size: 0.8rem;
}

.contact-wechat-box__tip {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  margin-top: 10px;
}

/* ===== 联系页面标题区 ===== */
.contact-page__label {
  font-size: 0.85rem;
  color: var(--color-primary);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
}

.contact-page__heading {
  font-size: 2rem;
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--color-brown);
  margin-bottom: 32px;
}

/* ===== 联系页面地图下方地址 ===== */
.contact-map-address {
  padding: 16px;
  background: var(--color-bg-alt);
  border-radius: var(--radius);
  margin-top: 16px;
  text-align: center;
}

.contact-map-address p {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  margin-bottom: 4px;
}

.contact-map-address i {
  color: var(--color-primary);
  margin-right: 6px;
}

/* ===== 快捷留言卡片 ===== */
.quick-message-card {
  padding: 36px;
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.quick-message-card__heading {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 24px;
  color: var(--color-brown);
}

.quick-message-card__heading i {
  color: var(--color-primary);
  margin-right: 8px;
}

.quick-message-wrapper {
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

/* ===== 步骤卡片（留言页） ===== */
.step-card {
  text-align: center;
  padding: 24px 16px;
}

.step-card__icon {
  width: 56px;
  height: 56px;
  background: var(--color-primary-bg);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 14px;
  color: var(--color-primary);
  font-size: 1.3rem;
}

.step-card h4 {
  font-family: var(--font-heading);
  margin-bottom: 6px;
}

.step-card p {
  font-size: 0.88rem;
  color: var(--color-text-secondary);
}

/* ===== 表单卡片 ===== */
.form-card {
  padding: 40px;
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.form-card__heading {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 28px;
  color: var(--color-brown);
  text-align: center;
}

.form-submit-area {
  text-align: center;
}

.form-submit-area__tip {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  margin-top: 12px;
}

.form-submit-area__tip strong {
  color: var(--color-accent);
}

/* ===== 搜索区 ===== */
.search-section {
  background: var(--color-bg-alt);
  padding: 52px 0;
  margin-top: 74px;
}

.search-section h1 { text-align: center; margin-bottom: 24px; }

.search-form {
  display: flex;
  gap: 10px;
  max-width: 620px;
  margin: 0 auto;
}

.search-form__input-wrap { flex: 1; position: relative; }

.search-form__input-wrap i {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

.search-form__input {
  width: 100%;
  padding: 14px 16px 14px 44px;
  font-size: 1rem;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-surface);
  color: var(--color-text);
  outline: none;
  transition: all var(--transition-fast);
}

.search-form__input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(90, 107, 74, 0.1);
}

.search-form .btn { padding: 14px 32px; }

/* ===== 搜索结果项 ===== */
.search-result-item {
  display: flex;
  gap: 18px;
  padding: 20px;
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius);
  transition: all var(--transition);
  cursor: pointer;
}

.search-result-item:hover {
  border-color: var(--color-border-hover);
  box-shadow: var(--shadow);
}

.search-result-item__image {
  width: 120px;
  height: 100px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  flex-shrink: 0;
  background: var(--color-bg-alt);
}

.search-result-item__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.search-result-item__body { flex: 1; min-width: 0; }

.search-result-item__title {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-brown);
  margin-bottom: 6px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: color var(--transition-fast);
}

.search-result-item:hover .search-result-item__title { color: var(--color-primary); }

.search-result-item__desc {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ===== 关于我们介绍布局 ===== */
.about-intro {
  display: flex;
  gap: 48px;
  align-items: center;
}

.about-intro__text {
  flex: 1;
  min-width: 0;
}

.about-intro__image {
  width: 360px;
  flex-shrink: 0;
}

.about-intro__image img {
  width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

/* ===== 时间线（关于我们） ===== */
.timeline {
  position: relative;
  padding-left: 36px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 8px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--color-border);
}

.timeline-item {
  position: relative;
  margin-bottom: 32px;
  padding-left: 32px;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -32px;
  top: 6px;
  width: 14px;
  height: 14px;
  background: var(--color-primary);
  border: 3px solid var(--color-primary-bg);
  border-radius: 50%;
  box-shadow: 0 0 0 4px var(--color-surface);
}

.timeline-item__year {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 6px;
}

.timeline-item__title {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-brown);
  margin-bottom: 6px;
}

.timeline-item__desc {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* ===== 教练团队卡片 ===== */
.team-card {
  text-align: center;
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  padding: 32px 20px;
  transition: all var(--transition);
}

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

.team-card__avatar {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  overflow: hidden;
  margin: 0 auto 16px;
  border: 3px solid var(--color-primary-bg);
}

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

.team-card__name {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-brown);
  margin-bottom: 4px;
}

.team-card__role {
  font-size: 0.8rem;
  color: var(--color-primary);
  font-weight: 600;
  margin-bottom: 8px;
}

.team-card__bio {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* ===== 客户评价卡片 ===== */
.testimonial-card {
  padding: 32px;
  background: var(--color-bg-alt);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border-light);
}

.testimonial-card__heading {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--color-brown);
  margin-bottom: 16px;
}

.testimonial-card__heading i {
  color: var(--color-primary);
  margin-right: 8px;
}

.testimonial-card__quote {
  font-size: 1.05rem;
  color: var(--color-text-secondary);
  line-height: 1.8;
  font-style: italic;
}

.testimonial-card__author {
  font-weight: 600;
  color: var(--color-primary);
  margin-top: 12px;
}

/* ===== 资质荣誉图标墙 ===== */
.cert-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  text-align: center;
}

.cert-item {
  padding: 24px 16px;
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius);
  transition: all var(--transition);
}

.cert-item:hover { box-shadow: var(--shadow); }

.cert-item__icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--color-primary-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 12px;
  color: var(--color-primary);
  font-size: 1.35rem;
}

.cert-item__name {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-brown);
}

/* ===== Footer ===== */
.footer {
  background: var(--color-brown);
  color: rgba(255, 255, 255, 0.7);
  padding-top: 60px;
}

.footer__top-line {
  height: 3px;
  background: linear-gradient(to right, var(--color-primary), var(--color-accent));
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
}

.footer__brand-desc {
  font-size: 0.88rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.5);
  margin: 16px 0 20px;
}

.footer__social {
  display: flex;
  gap: 10px;
}

.footer__social a {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.95rem;
  transition: all var(--transition-fast);
}

.footer__social a:hover {
  background: var(--color-accent);
  color: #fff;
}

.footer__col-title {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 18px;
}

/* Footer 品牌标识 */
.footer__brand {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}

.footer__brand-icon {
  width: 42px;
  height: 42px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 800;
}

.footer__brand-name {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  color: #fff;
}

/* Footer 合作伙伴栏 */
.footer__partner-bar {
  padding: 28px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.footer__partner-label {
  color: rgba(255, 255, 255, 0.35);
  font-size: 0.82rem;
  flex-shrink: 0;
}

.footer__partner-link {
  color: rgba(255, 255, 255, 0.28);
  font-size: 0.82rem;
  transition: color 0.2s;
}

.footer__partner-link:hover {
  color: rgba(255, 255, 255, 0.6);
}

.footer__links li { margin-bottom: 10px; }

.footer__links a {
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.5);
  transition: color var(--transition-fast);
}

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

.footer__contact li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: 12px;
}

.footer__contact i {
  color: var(--color-accent);
  font-size: 0.85rem;
  margin-top: 3px;
  flex-shrink: 0;
}

.footer__qrcode {
  background: #fff;
  padding: 10px;
  border-radius: var(--radius);
  display: inline-block;
}

.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 20px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.35);
}

.footer__bottom a { color: rgba(255, 255, 255, 0.35); transition: color var(--transition-fast); }
.footer__bottom a:hover { color: rgba(255, 255, 255, 0.7); }

.footer__bottom-links { display: flex; gap: 14px; align-items: center; }
.footer__bottom-links .sep { color: rgba(255, 255, 255, 0.1); }

.footer__bottom-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

/* ===== 移动端底部快捷栏 ===== */
.mobile-bar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: 60px;
  background: var(--color-surface);
  border-top: 1px solid var(--color-border-light);
  z-index: 90;
  box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.06);
}

.mobile-bar__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  height: 100%;
}

.mobile-bar__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  color: var(--color-text-muted);
  font-size: 0.65rem;
  font-weight: 500;
  transition: color var(--transition-fast);
  cursor: pointer;
}

.mobile-bar__item i { font-size: 1.15rem; }
.mobile-bar__item.active { color: var(--color-primary); }
.mobile-bar__item:hover { color: var(--color-primary); }

/* ===== 在线客服悬浮 ===== */
.kefu-float {
  position: fixed;
  right: 16px;
  bottom: 100px;
  z-index: 85;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.kefu-float__btn {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.1rem;
  cursor: pointer;
  box-shadow: var(--shadow-md);
  transition: all var(--transition);
  position: relative;
}

.kefu-float__btn:hover { transform: scale(1.1); }

.kefu-float__btn--tel { background: var(--color-accent); }
.kefu-float__btn--wechat { background: #07C160; }
.kefu-float__btn--top {
  background: var(--color-surface);
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border);
  opacity: 0;
  pointer-events: none;
  transition: all var(--transition);
}

.kefu-float__btn--top.show {
  opacity: 1;
  pointer-events: auto;
}

/* 微信二维码弹窗 */
.kefu-float__qrcode {
  position: absolute;
  right: 62px;
  bottom: 0;
  width: 200px;
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  padding: 16px;
  text-align: center;
  opacity: 0;
  visibility: hidden;
  transform: translateX(10px);
  transition: all var(--transition);
}

.kefu-float__btn--wechat:hover .kefu-float__qrcode {
  opacity: 1;
  visibility: visible;
  transform: translateX(0);
}

.kefu-float__qrcode img {
  width: 140px;
  height: 140px;
  margin: 0 auto 8px;
}

.kefu-float__qrcode p {
  font-size: 0.75rem;
  color: var(--color-text-secondary);
}

/* ===== 返回顶部 ===== */
.back-top {
  position: fixed;
  right: 20px;
  bottom: 165px;
  width: 44px;
  height: 44px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  cursor: pointer;
  z-index: 80;
  opacity: 0;
  pointer-events: none;
  transition: all var(--transition);
  box-shadow: var(--shadow-sm);
}

.back-top.show {
  opacity: 1;
  pointer-events: auto;
}

.back-top:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}

/* ===== 通用辅助 ===== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mt-4 { margin-top: 32px; }
.mt-5 { margin-top: 48px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.mb-4 { margin-bottom: 32px; }
.btn--full { width: 100%; justify-content: center; }
.detail-grid { align-items: start; }
.related-heading {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-brown);
  margin-bottom: 24px;
}
.line-clamp-2 {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.truncate { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.divider { border: none; border-top: 1px solid var(--color-border-light); margin: 32px 0; }

/* ===== prefers-reduced-motion ===== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ===== 响应式 - 平板 (768px - 1023px) ===== */
@media (max-width: 1023px) {
  :root {
    --section-gap: 60px;
    --section-gap-sm: 44px;
    --container-padding: 20px;
  }

  .nav, .nav__actions { display: none; }
  .hamburger { display: flex; }

  .hero-video { height: 70vh; min-height: 480px; }
  .hero-video__title { font-size: 2.25rem; }
  .hero-video__subtitle { font-size: 1rem; }

  .grid-cols-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-cols-4 { grid-template-columns: repeat(2, 1fr); }
  .service-cards { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .footer__grid { grid-template-columns: repeat(2, 1fr); gap: 32px; }
  .video-story { grid-template-columns: 1fr; gap: 28px; }
  .cert-grid { grid-template-columns: repeat(2, 1fr); }
  .about-intro { flex-direction: column; gap: 32px; }
  .about-intro__image { width: 100%; max-width: 400px; }
  .partner-grid { gap: 28px; }
}

/* ===== 响应式 - 移动端 (< 768px) ===== */
@media (max-width: 767px) {
  :root {
    --section-gap: 44px;
    --section-gap-sm: 32px;
    --container-padding: 16px;
  }

  h1 { font-size: 1.65rem; }
  h2 { font-size: 1.4rem; }
  h3 { font-size: 1.2rem; }

  .section-title { margin-bottom: 36px; }
  .section-title h2 { font-size: 1.4rem; }

  .hero-video { height: 65vh; min-height: 400px; }
  .hero-video__title { font-size: 1.65rem; }
  .hero-video__subtitle { font-size: 0.9rem; }
  .hero-video__tag { font-size: 0.75rem; }
  .hero-video__buttons { flex-direction: column; align-items: center; }
  .hero-video__buttons .btn { width: 100%; max-width: 260px; justify-content: center; }

  .inner-banner { height: 220px; }
  .inner-banner__title { font-size: 1.5rem; }

  .grid-cols-2, .grid-cols-3, .grid-cols-4 { grid-template-columns: 1fr; }
  .service-cards { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .service-card { padding: 24px 16px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .stat-item__number { font-size: 2rem; }

  .news-list-item { flex-direction: column; }
  .news-list-item__image { width: 100%; height: 180px; }

  .footer__grid { grid-template-columns: 1fr; gap: 28px; }
  .footer__bottom { flex-direction: column; gap: 8px; text-align: center; }
  .footer__bottom-links { justify-content: center; flex-wrap: wrap; }

  .video-story { grid-template-columns: 1fr; gap: 24px; }
  .video-story__play-btn { width: 56px; height: 56px; font-size: 1.2rem; }
  .partner-grid { gap: 22px; }

  .cta-section { padding: 56px 0; }
  .cta-section h2 { font-size: 1.65rem; }
  .cta-section .btn-group { flex-direction: column; align-items: center; }
  .cta-section .btn-group .btn { width: 100%; max-width: 280px; justify-content: center; }

  .search-form { flex-direction: column; }
  .search-form .btn { width: 100%; }
  .search-result-item__image { width: 90px; height: 80px; }

  .detail-header h1 { font-size: 1.5rem; }
  .detail-swiper .swiper-slide img { height: 280px; }
  .prev-next { flex-direction: column; gap: 8px; text-align: center; }

  .tabs { overflow-x: auto; flex-wrap: nowrap; }
  .tab-btn { white-space: nowrap; flex-shrink: 0; padding: 10px 18px; }

  .cert-grid { grid-template-columns: repeat(2, 1fr); }
  .timeline { padding-left: 24px; }
  .about-intro { flex-direction: column; gap: 24px; }
  .about-intro__image { width: 100%; max-width: 360px; margin: 0 auto; }
  .form-card { padding: 28px 20px; }
  .step-card { padding: 18px 12px; }

  .form-input, .form-textarea, .form-select { font-size: 16px; }

  .pagination { flex-wrap: wrap; }
  .pagination a { min-width: 36px; height: 36px; font-size: 0.8rem; }

  .btn--lg { padding: 14px 28px; font-size: 0.95rem; }

  .mobile-bar { display: block; }
  body { padding-bottom: 60px; }
  .kefu-float { bottom: 80px; }
  .back-top { bottom: 145px; }

  /* Video hidden on mobile */
  .hero-video video { display: none; }
}

/* ===== 小屏手机 (< 480px) ===== */
@media (max-width: 479px) {
  .hero-video { height: 55vh; min-height: 340px; }
  .hero-video__title { font-size: 1.35rem; }
  .service-cards { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
  .stat-item__number { font-size: 1.75rem; }
  .partner-grid { gap: 16px; }
  .search-result-item { flex-direction: column; }
  .search-result-item__image { width: 100%; height: 140px; }
  .btn { padding: 10px 20px; font-size: 0.875rem; }
}