/**
 * 博学K12辅导中心 — 暖橙成长主题样式
 * 品牌调性：活力、温暖、成长、可信赖
 * 像学生成长记录册，有温度有陪伴感
 */

/* Google Fonts — 圆体标题 + 清晰正文 */


/* ============================================================
   CSS 变量体系
   ============================================================ */
:root {
  /* 主色 — 暖橙黄 */
  --primary: #F5A623;
  --primary-light: #FBD38D;
  --primary-dark: #ED8936;
  --primary-dim: rgba(245, 166, 35, 0.08);

  /* 点缀色 — 天蓝 */
  --accent: #4A90D9;
  --accent-light: #90CDF4;
  --accent-dim: rgba(74, 144, 217, 0.08);

  /* 木色调 */
  --wood: #C4A882;
  --wood-light: #E8DCCA;

  /* 辅助色 */
  --success: #48BB78;
  --success-dim: rgba(72, 187, 120, 0.1);
  --warning: #F6AD55;
  --error: #FC8181;

  /* 背景色阶 — 暖白基调 */
  --bg-body: #FFFAF5;
  --bg-warm: #FFF8F0;
  --bg-card: #FFFFFF;
  --bg-orange-light: #FFFAF0;
  --bg-blue-light: #F0F7FF;

  /* 文字色阶 */
  --text-primary: #2D3748;
  --text-secondary: #4A5568;
  --text-muted: #A0AEC0;
  --text-inverse: #FFFFFF;

  /* 边框 */
  --border-light: #FED7D7;
  --border-warm: #FEEBC8;
  --border-default: #E2E8F0;

  /* 阴影 — 温暖轻阴影 */
  --shadow-xs: 0 1px 2px rgba(0,0,0,0.04);
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.1);
  --shadow-card: 0 2px 12px rgba(0,0,0,0.06);
  --shadow-card-hover: 0 8px 30px rgba(245,166,35,0.15);
  --shadow-btn: 0 4px 14px rgba(245,166,35,0.35);

  /* 圆角 — 大圆角亲切感 */
  --radius-xs: 6px;
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 20px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* 间距 */
  --section-py: 88px;
  --section-py-sm: 60px;
  --container-max: 1200px;
  --header-h: 76px;

  /* 过渡 */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --duration-fast: 150ms;
  --duration-normal: 300ms;
  --duration-slow: 600ms;

  /* 字体 — ZCOOL XiaoWei圆体标题 + Noto Sans SC清晰正文 */
  --font-heading: 'ZCOOL XiaoWei', 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-body: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

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

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

body {
  background: var(--bg-body);
  color: var(--text-secondary);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.75;
  letter-spacing: 0.01em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* 暖色背景纹理 */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(ellipse 80% 60% at 20% 10%, rgba(245,166,35,0.04) 0%, transparent 60%),
    radial-gradient(ellipse 60% 50% at 80% 30%, rgba(74,144,217,0.03) 0%, transparent 60%),
    radial-gradient(ellipse 70% 40% at 50% 80%, rgba(245,166,35,0.03) 0%, transparent 60%);
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease-out);
}

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

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;
  outline: none;
  border: 1px solid var(--border-default);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  transition: border-color var(--duration-fast) var(--ease-out), box-shadow var(--duration-fast) var(--ease-out);
}

input:focus, textarea:focus, select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(245,166,35,0.12);
}

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

/* ============================================================
   按钮系统
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: var(--radius-full);
  transition: all var(--duration-normal) var(--ease-out);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}

.btn--primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: var(--text-inverse);
  box-shadow: var(--shadow-btn);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(245,166,35,0.45);
}

.btn--outline {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
}

.btn--outline:hover {
  background: var(--primary);
  color: var(--text-inverse);
}

.btn--white {
  background: #fff;
  color: var(--primary-dark);
  box-shadow: var(--shadow-sm);
}

.btn--white:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn--ghost {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border-default);
}

.btn--ghost:hover {
  border-color: var(--primary);
  color: var(--primary);
}

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

.btn--lg {
  padding: 16px 36px;
  font-size: 1.05rem;
}

/* 脉冲动画 CTA */
@keyframes pulse-orange {
  0%, 100% { box-shadow: 0 4px 14px rgba(245,166,35,0.35); }
  50% { box-shadow: 0 4px 28px rgba(245,166,35,0.6); }
}

.btn--pulse {
  animation: pulse-orange 2s ease-in-out infinite;
}

/* ============================================================
   Header — 白色实底 + 深色文字 (13.11)
   ============================================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-warm);
  height: var(--header-h);
  transition: all var(--duration-normal) var(--ease-out);
}

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

.header__inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

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

.header__logo-icon {
  width: 42px;
  height: 42px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.3rem;
}

.header__logo-text {
  display: flex;
  flex-direction: column;
}

.header__logo-name {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.3;
  letter-spacing: 0.02em;
}

.header__logo-sub {
  font-size: 0.65rem;
  color: var(--primary-dark);
  letter-spacing: 0.06em;
}

/* 主导航 */
.header__nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.header__nav-link {
  padding: 8px 16px;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--radius-full);
  transition: all var(--duration-fast) var(--ease-out);
  position: relative;
}

.header__nav-link:hover,
.header__nav-link.active {
  color: var(--primary-dark);
  background: var(--primary-dim);
}

/* 导航下拉 (13.3: z-index) */
.header__nav-item {
  position: relative;
}

.header__dropdown {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  background: #fff;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: 8px 0;
  min-width: 160px;
  opacity: 0;
  visibility: hidden;
  transition: all var(--duration-normal) var(--ease-out);
  z-index: 100; /* ★ 13.3 */
}

.header__nav-item:hover .header__dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.header__dropdown a {
  display: block;
  padding: 10px 20px;
  font-size: 0.88rem;
  color: var(--text-secondary);
  transition: all var(--duration-fast);
  white-space: nowrap;
}

.header__dropdown a:hover {
  background: var(--primary-dim);
  color: var(--primary-dark);
}

/* 右侧操作 */
.header__actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.header__cta {
  padding: 10px 22px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  font-weight: 600;
  font-size: 0.88rem;
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-btn);
  transition: all var(--duration-normal) var(--ease-out);
  white-space: nowrap;
}

.header__cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(245,166,35,0.45);
  color: #fff;
}

/* 汉堡菜单 (13.4: 独立于 header__actions) */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  cursor: pointer;
  z-index: 101;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all var(--duration-normal) var(--ease-out);
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ============================================================
   移动端导航
   ============================================================ */
.mobile-nav {
  position: fixed;
  top: 0;
  right: -320px;
  width: 300px;
  height: 100vh;
  background: #fff;
  z-index: 1001;
  box-shadow: var(--shadow-lg);
  transition: right var(--duration-normal) var(--ease-out);
  overflow-y: auto;
}

.mobile-nav.open { right: 0; }

.mobile-nav__inner { padding: 24px; }

.mobile-nav__link {
  display: block;
  padding: 14px 16px;
  font-size: 1rem;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  transition: all var(--duration-fast);
}

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

.mobile-nav__sub {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--duration-normal) var(--ease-out);
  padding-left: 16px;
}

.mobile-nav__sub.open { max-height: 500px; }

.mobile-nav__sub a {
  display: block;
  padding: 10px 16px;
  font-size: 0.9rem;
  color: var(--text-muted);
  border-radius: var(--radius-sm);
}

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

.mobile-nav__overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.4);
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: all var(--duration-normal);
}

.mobile-nav__overlay.open {
  opacity: 1;
  visibility: visible;
}

/* ============================================================
   Hero / Banner
   ============================================================ */
.hero {
  position: relative;
  min-height: 600px;
  height: 85vh;
  max-height: 800px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  margin-top: var(--header-h);
}

.hero__swiper {
  position: absolute;
  inset: 0;
}

.hero__slide {
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
}

/* 暖色均匀遮罩 — 上下渐变，不偏左右 */
.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(255,250,245,0.15) 0%,
    rgba(255,250,245,0.35) 40%,
    rgba(255,250,245,0.6) 70%,
    rgba(255,250,245,0.75) 100%
  );
  z-index: 1;
}

.hero__content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 700px;
  padding: 0 24px;
}

.hero__title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.25;
  margin-bottom: 20px;
  letter-spacing: 0.02em;
}

.hero__title span {
  color: var(--primary-dark);
  position: relative;
}

.hero__title span::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 0;
  right: 0;
  height: 10px;
  background: rgba(245,166,35,0.2);
  border-radius: 4px;
  z-index: -1;
}

.hero__subtitle {
  font-size: 1.15rem;
  color: var(--text-secondary);
  margin-bottom: 36px;
  line-height: 1.6;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

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

.hero__pagination {
  margin-top: 40px;
  display: flex;
  justify-content: center;
  gap: 8px;
}

.hero__pagination .swiper-pagination-bullet {
  width: 10px;
  height: 10px;
  background: var(--text-muted);
  opacity: 0.4;
  transition: all var(--duration-normal);
}

.hero__pagination .swiper-pagination-bullet-active {
  width: 30px;
  border-radius: 5px;
  background: var(--primary);
  opacity: 1;
}

/* 滚动指示器 */
.hero__scroll {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  animation: bounce 2s ease-in-out infinite;
}

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

.hero__scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--primary), transparent);
}

/* ============================================================
   通用区块
   ============================================================ */
.section {
  padding: var(--section-py) 0;
}

.section-sm {
  padding: var(--section-py-sm) 0;
}

.section-tag {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--primary-dark);
  background: var(--primary-dim);
  padding: 6px 16px;
  border-radius: var(--radius-full);
  margin-bottom: 16px;
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(1.6rem, 3.5vw, 2.2rem);
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.3;
  margin-bottom: 12px;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 560px;
  line-height: 1.6;
}

.section-header {
  text-align: center;
  margin-bottom: 56px;
}

.section-header .section-subtitle {
  margin: 0 auto;
}

/* 区块背景变体 */
.section--warm {
  background: var(--bg-warm);
  border-top: 1px solid var(--border-warm);
  border-bottom: 1px solid var(--border-warm);
}

.section--blue {
  background: var(--bg-blue-light);
}

/* ============================================================
   特色卡片 (亮点)
   ============================================================ */
.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.feature-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  text-align: center;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--border-warm);
  transition: all var(--duration-normal) var(--ease-out);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--primary-dark), var(--accent));
  opacity: 0;
  transition: opacity var(--duration-normal);
}

.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card-hover);
}

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

.feature-card__icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  background: linear-gradient(135deg, rgba(245,166,35,0.1), rgba(237,137,54,0.15));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  color: var(--primary-dark);
  transition: transform var(--duration-normal) var(--ease-spring);
}

.feature-card:hover .feature-card__icon {
  transform: scale(1.1);
}

.feature-card__title {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 10px;
}

.feature-card__desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ============================================================
   数据展示 (数字滚动)
   ============================================================ */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.stat-item {
  text-align: center;
  padding: 32px 16px;
}

.stat-item__number {
  font-family: var(--font-heading);
  font-size: 2.8rem;
  font-weight: 800;
  color: var(--primary-dark);
  line-height: 1.2;
  margin-bottom: 8px;
}

.stat-item__label {
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* ============================================================
   课程卡片
   ============================================================ */
.course-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.course-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--border-warm);
  transition: all var(--duration-normal) var(--ease-out);
  display: flex;
  flex-direction: column;
}

.course-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card-hover);
}

.course-card__image {
  position: relative;
  aspect-ratio: 4/3;
  overflow: hidden;
  background: linear-gradient(135deg, #FEF3C7, #FDE68A);
}

.course-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--duration-slow) var(--ease-out);
}

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

.course-card__body {
  padding: 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.course-card__tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent);
  background: var(--accent-dim);
  padding: 4px 12px;
  border-radius: var(--radius-full);
  margin-bottom: 10px;
  width: fit-content;
}

.course-card__title {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
  line-height: 1.4;
}

.course-card__desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.6;
  flex: 1;
  margin-bottom: 16px;
}

.course-card__meta {
  display: flex;
  gap: 16px;
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.course-card__meta i { color: var(--primary); }

.course-card__price {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--primary-dark);
}

/* 2列布局变体 */
.course-grid--2 {
  grid-template-columns: repeat(2, 1fr);
}

/* 4列布局变体（首页热门课程，恰好 4 个一行放满） */
.course-grid--4 {
  grid-template-columns: repeat(4, 1fr);
}

/* ============================================================
   学科分类卡片 (6列)
   ============================================================ */
.subject-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.subject-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 32px 16px;
  text-align: center;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--border-warm);
  transition: all var(--duration-normal) var(--ease-out);
  cursor: pointer;
}

.subject-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card-hover);
  border-color: var(--primary-light);
}

.subject-card__icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 16px;
  background: linear-gradient(135deg, rgba(245,166,35,0.1), rgba(237,137,54,0.12));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--primary-dark);
}

.subject-card__name {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.subject-card__desc {
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* ============================================================
   教师卡片
   ============================================================ */
.teacher-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.teacher-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--border-warm);
  transition: all var(--duration-normal) var(--ease-out);
}

.teacher-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card-hover);
}

.teacher-card__image {
  aspect-ratio: 3/4;
  overflow: hidden;
  background: linear-gradient(135deg, #FEF3C7, #FDE68A);
}

.teacher-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--duration-slow);
}

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

.teacher-card__body {
  padding: 24px;
  text-align: center;
}

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

.teacher-card__subject {
  font-size: 0.85rem;
  color: var(--primary-dark);
  font-weight: 500;
  margin-bottom: 8px;
}

.teacher-card__desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ============================================================
   成果卡片
   ============================================================ */
.achievement-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.achievement-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--border-warm);
  transition: all var(--duration-normal) var(--ease-out);
  text-align: center;
}

.achievement-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card-hover);
}

.achievement-card__avatar {
  width: 72px;
  height: 72px;
  margin: 0 auto 16px;
  border-radius: 50%;
  overflow: hidden;
  background: linear-gradient(135deg, var(--primary-light), var(--primary));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  color: #fff;
}

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

.achievement-card__name {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.achievement-card__score {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--success);
  margin-bottom: 8px;
}

.achievement-card__school {
  font-size: 0.9rem;
  color: var(--accent);
  font-weight: 500;
  margin-bottom: 6px;
}

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

/* ============================================================
   新闻卡片
   ============================================================ */
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.news-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--border-warm);
  transition: all var(--duration-normal) var(--ease-out);
  display: flex;
  flex-direction: column;
}

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

.news-card__image {
  aspect-ratio: 16/10;
  overflow: hidden;
  background: linear-gradient(135deg, #FEF3C7, #FDE68A);
}

.news-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--duration-slow);
}

.news-card:hover .news-card__image img {
  transform: scale(1.04);
}

.news-card__body {
  padding: 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.news-card__title {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-card__desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.6;
  flex: 1;
  margin-bottom: 12px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-card__date {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* 左图右文 (首页) */
.news-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.news-list__item {
  display: flex;
  gap: 20px;
  background: var(--bg-card);
  border-radius: var(--radius-md);
  padding: 16px;
  box-shadow: var(--shadow-xs);
  border: 1px solid var(--border-light);
  transition: all var(--duration-fast) var(--ease-out);
  align-items: center;
}

.news-list__item:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--border-warm);
}

.news-list__image {
  width: 180px;
  height: 120px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  flex-shrink: 0;
  background: linear-gradient(135deg, #FEF3C7, #FDE68A);
}

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

.news-list__info { flex: 1; }

.news-list__info h3 {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.news-list__info p {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 8px;
}

/* ============================================================
   关于我们
   ============================================================ */
.about-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-image {
  border-radius: var(--radius-xl);
  overflow: hidden;
  aspect-ratio: 4/3;
  background: linear-gradient(135deg, #FEF3C7, #FDE68A);
  box-shadow: var(--shadow-lg);
}

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

.about-text h2 {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 20px;
}

.about-text p {
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 16px;
  font-size: 0.95rem;
}

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

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 50%, rgba(255,255,255,0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 50%, rgba(255,255,255,0.08) 0%, transparent 50%);
}

.cta-section .container { position: relative; }

.cta-section__title {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 16px;
}

/* ============================================================
   画廊/实景 Swiper
   ============================================================ */
.gallery-swiper {
  overflow: hidden;
  padding: 0 24px; /* 原为模板内联样式，移到 CSS 以便移动端覆盖 */
}

/* 单张幻灯宽度（原为模板内联 width:360px） */
.gallery-swiper .swiper-slide {
  width: 360px;
}

.gallery-slide {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4/3;
  background: linear-gradient(135deg, #FEF3C7, #FDE68A);
}

.gallery-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--duration-slow);
}

.gallery-slide:hover img { transform: scale(1.05); }

.gallery-slide__info {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 20px;
  background: linear-gradient(to top, rgba(0,0,0,0.6), transparent);
  color: #fff;
}

.gallery-slide__title {
  font-weight: 600;
  font-size: 0.95rem;
  margin-bottom: 4px;
}

/* ============================================================
   预约/表单
   ============================================================ */
.form-card {
  background: var(--bg-card);
  border-radius: var(--radius-xl);
  padding: 48px;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-warm);
  max-width: 640px;
  margin: 0 auto;
}

.form-card h2 {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
  text-align: center;
}

.form-card > p {
  text-align: center;
  color: var(--text-muted);
  margin-bottom: 32px;
}

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

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

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.subscribe-form {
  display: flex;
  gap: 12px;
  max-width: 480px;
}

.subscribe-form input {
  flex: 1;
  padding: 14px 20px;
  border-radius: var(--radius-full);
  border: 2px solid var(--border-default);
  font-size: 0.95rem;
}

.subscribe-form input:focus {
  border-color: var(--primary);
}

/* ============================================================
   订阅卡片
   ============================================================ */
.subscribe-card {
  background: var(--bg-card);
  border-radius: var(--radius-xl);
  padding: 56px 40px;
  text-align: center;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-warm);
}

/* ============================================================
   内页 Banner
   ============================================================ */
.inner-banner {
  position: relative;
  height: 280px;
  background: linear-gradient(135deg, rgba(245,166,35,0.08), rgba(237,137,54,0.12), rgba(74,144,217,0.06));
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: var(--header-h);
  overflow: hidden;
}

.inner-banner::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(245,166,35,0.06) 0%, transparent 70%);
  border-radius: 50%;
}

.inner-banner__content {
  text-align: center;
  position: relative;
  z-index: 1;
}

.inner-banner__title {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.inner-banner__breadcrumb {
  font-size: 0.88rem;
  color: var(--text-muted);
}

.inner-banner__breadcrumb a { color: var(--primary-dark); }
.inner-banner__breadcrumb span { margin: 0 8px; }

/* ============================================================
   内页布局
   ============================================================ */
.page-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  padding: 48px 0;
}

/* 列表页 */
.list-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 32px;
  flex-wrap: wrap;
  gap: 16px;
}

.list-header__title {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
}

/* ============================================================
   详情页
   ============================================================ */
.detail-layout {
  display: grid;
  grid-template-columns: 480px 1fr;
  gap: 48px;
  padding: 48px 0;
  align-items: start;
}

.detail-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4/3;
  background: linear-gradient(135deg, #FEF3C7, #FDE68A);
  box-shadow: var(--shadow-md);
  position: sticky;
  top: calc(var(--header-h) + 24px);
}

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

.detail-info h1 {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 20px;
}

.detail-params {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 28px;
}

.detail-param {
  background: var(--bg-warm);
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-warm);
}

.detail-param__label {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.detail-param__value {
  font-weight: 600;
  color: var(--text-primary);
  font-size: 1rem;
}

.detail-body {
  color: var(--text-secondary);
  line-height: 1.9;
  font-size: 0.95rem;
}

.detail-body p { margin-bottom: 16px; }

/* Tab */
.detail-tabs {
  display: flex;
  gap: 4px;
  border-bottom: 2px solid var(--border-default);
  margin-bottom: 28px;
}

.detail-tab {
  padding: 12px 24px;
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--text-muted);
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: all var(--duration-fast);
}

.detail-tab.active {
  color: var(--primary-dark);
  border-bottom-color: var(--primary);
}

/* ============================================================
   分页
   ============================================================ */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  margin-top: 48px;
  flex-wrap: wrap;
}

.pagination a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 12px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  background: var(--bg-card);
  border: 1px solid var(--border-default);
  transition: all var(--duration-fast);
}

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

.no-data {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
  font-size: 1rem;
}

/* ============================================================
   课程详情 Tab 区
   ============================================================ */
.course-tab-content { display: none; }
.course-tab-content.active { display: block; }

/* ============================================================
   Footer
   ============================================================ */
.footer {
  background: #2D3748;
  color: rgba(255,255,255,0.7);
  padding: 64px 0 0;
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.2fr;
  gap: 40px;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

.footer__col-title {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--primary);
  display: inline-block;
}

.footer__brand-desc {
  font-size: 0.88rem;
  line-height: 1.7;
  margin-bottom: 16px;
  color: rgba(255,255,255,0.55);
}

.footer__social {
  display: flex;
  gap: 12px;
}

.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;
  font-size: 0.9rem;
  transition: all var(--duration-fast);
  color: rgba(255,255,255,0.6);
}

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

.footer__links a {
  display: block;
  padding: 6px 0;
  font-size: 0.9rem;
  color: rgba(255,255,255,0.55);
  transition: all var(--duration-fast);
}

.footer__links a:hover {
  color: var(--primary-light);
  padding-left: 4px;
}

.footer__contact-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 6px 0;
  font-size: 0.88rem;
  color: rgba(255,255,255,0.55);
}

.footer__contact-item i {
  color: var(--primary);
  margin-top: 3px;
  flex-shrink: 0;
}

.footer__qrcode {
  width: 120px;
  height: 120px;
  background: rgba(255,255,255,0.08);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  color: rgba(255,255,255,0.4);
  text-align: center;
  line-height: 1.6;
}

/* 友情链接 */
.friend-links {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  padding: 32px 0;
  border-top: 1px solid rgba(255,255,255,0.08);
  margin-top: 40px;
}

.friend-links__label {
  color: rgba(255,255,255,0.4);
  font-size: 0.85rem;
  flex-shrink: 0;
}

.friend-links a {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.45);
  transition: color var(--duration-fast);
}

.friend-links a:hover { color: var(--primary-light); }

/* 底部版权 */
.footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.06);
  margin-top: 8px;
}

.footer__bottom-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.82rem;
  color: rgba(255,255,255,0.35);
}

.footer__bottom-inner a { color: rgba(255,255,255,0.4); }
.footer__bottom-inner a:hover { color: var(--primary-light); }

/* ============================================================
   返回顶部
   ============================================================ */
.back-top {
  position: fixed;
  bottom: 32px;
  right: 28px;
  width: 46px;
  height: 46px;
  background: var(--primary);
  color: #fff;
  border-radius: 50%;
  box-shadow: var(--shadow-btn);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  z-index: 900;
  opacity: 0;
  transform: translateY(20px);
  transition: all var(--duration-normal) var(--ease-out);
  pointer-events: none;
}

.back-top.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.back-top:hover {
  transform: translateY(-4px);
  box-shadow: 0 6px 24px rgba(245,166,35,0.5);
}

/* ============================================================
   在线客服按钮
   ============================================================ */
.online-service {
  position: fixed;
  bottom: 90px;
  right: 28px;
  width: 52px;
  height: 52px;
  background: var(--success);
  color: #fff;
  border-radius: 50%;
  box-shadow: 0 4px 16px rgba(72,187,120,0.35);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  z-index: 900;
  transition: all var(--duration-normal) var(--ease-spring);
  animation: float 3s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

.online-service:hover {
  transform: scale(1.1);
}

/* ============================================================
   搜索页
   ============================================================ */
.search-form {
  display: flex;
  gap: 12px;
  max-width: 520px;
}

.search-form input {
  flex: 1;
  padding: 14px 20px;
  border-radius: var(--radius-full);
}

.search-form button {
  padding: 14px 28px;
}

.search-result-item {
  padding: 24px;
  background: var(--bg-card);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xs);
  border: 1px solid var(--border-light);
  margin-bottom: 16px;
  transition: all var(--duration-fast);
}

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

.search-result-item h3 {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.search-result-item h3 span { color: var(--primary-dark); }

.search-result-item p {
  font-size: 0.88rem;
  color: var(--text-muted);
}

/* ============================================================
   AOS 覆盖 (温和动画)
   ============================================================ */
[data-aos] {
  transition-timing-function: var(--ease-out) !important;
}

/* ============================================================
   响应式 — 768px 断点
   ============================================================ */
@media (max-width: 768px) {
  :root {
    /* 移动端压缩：模块之间的纵向间距 */
    --section-py: 46px;
    --section-py-sm: 32px;
    --header-h: 64px;
  }

  .header__nav,
  .header__cta { display: none; }

  .hamburger { display: flex; }

  .features,
  .course-grid,
  .teacher-grid,
  .achievement-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  /* 移动端压缩：首页热门课程一行两个（只作用于首页，课程列表页不受影响） */
  .course-grid--4 {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .course-grid--4 .course-card__body {
    padding: 12px;
  }

  .course-grid--4 .course-card__tag {
    font-size: 0.68rem;
    padding: 3px 8px;
    margin-bottom: 6px;
  }

  .course-grid--4 .course-card__title {
    font-size: 0.9rem;
    margin-bottom: 4px;
  }

  .course-grid--4 .course-card__desc {
    font-size: 0.72rem;
    line-height: 1.45;
    margin-bottom: 8px;
  }

  .course-grid--4 .course-card__meta {
    font-size: 0.7rem;
    gap: 8px;
    margin-bottom: 6px;
  }

  .course-grid--4 .course-card__price {
    font-size: 1.05rem;
  }

  /* 移动端压缩：课程中心列表改横向紧凑卡片（左图右文，一行一个）
     原先图片整宽 356×267 压在上面，一张卡片 521px 高，9 张就是 4940px */
  .course-grid--list {
    gap: 12px;
  }

  .course-grid--list .course-card {
    flex-direction: row;
    align-items: stretch;
  }

  .course-grid--list .course-card__image {
    flex: 0 0 118px;
    width: 118px;
    aspect-ratio: auto; /* 取消基础的 4/3，高度改由右侧文字撑开 */
  }

  .course-grid--list .course-card__body {
    padding: 10px 12px;
  }

  .course-grid--list .course-card__tag {
    font-size: 0.66rem;
    padding: 2px 8px;
    margin-bottom: 5px;
  }

  .course-grid--list .course-card__title {
    font-size: 0.88rem;
    line-height: 1.35;
    margin-bottom: 4px;
    /* 标题最多两行，防止长标题把卡片撑高 */
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }

  .course-grid--list .course-card__desc {
    font-size: 0.7rem;
    line-height: 1.45;
    margin-bottom: 6px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }

  .course-grid--list .course-card__meta {
    font-size: 0.68rem;
    gap: 8px;
    margin-bottom: 4px;
  }

  .course-grid--list .course-card__price {
    font-size: 1rem;
  }

  /* 移动端压缩：成果列表页改横向卡片（左头像右文字）
     原先头像居中在上、四行文字居中在下，一张卡片 310px 高 */
  .achievement-grid--list {
    gap: 12px;
  }

  /* 用 grid 把 4 行文字挤进第二列，头像跨满第一列 —— 模板里文字是
     头像是兄弟节点、没有包裹层，只有 grid 能在不改结构的前提下分两栏 */
  .achievement-grid--list .achievement-card {
    display: grid;
    grid-template-columns: 66px 1fr;
    column-gap: 12px;
    row-gap: 2px;
    align-items: center;
    text-align: left;
    padding: 12px;
  }

  .achievement-grid--list .achievement-card__avatar {
    grid-row: 1 / span 4;
    width: 66px;
    height: 66px;
    margin: 0;
    font-size: 1.4rem;
  }

  .achievement-grid--list .achievement-card__name {
    font-size: 0.92rem;
    margin-bottom: 0;
  }

  .achievement-grid--list .achievement-card__score {
    font-size: 1.15rem;
    margin-bottom: 0;
    justify-self: start; /* 转成 grid item 后会被拉满整列，需靠左 */
  }

  .achievement-grid--list .achievement-card__school {
    font-size: 0.75rem;
    margin-bottom: 0;
  }

  .achievement-grid--list .achievement-card__desc {
    font-size: 0.72rem;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }

  /* 移动端压缩：师资团队改横向紧凑卡片（左图右文，一行一个） */
  .teacher-grid {
    gap: 12px;
  }

  .teacher-card {
    display: flex;
    align-items: stretch;
    min-height: 120px;
  }

  .teacher-card__image {
    flex: 0 0 104px;
    width: 104px;
    aspect-ratio: auto; /* 覆盖基础 3:4，改由卡片高度决定，照片铺满左侧一列 */
  }

  .teacher-card__body {
    padding: 12px 14px;
    text-align: left;
  }

  .teacher-card__name {
    font-size: 0.95rem;
    margin-bottom: 2px;
  }

  .teacher-card__subject {
    display: block;
    font-size: 0.75rem;
    margin-bottom: 6px;
  }

  .teacher-card__desc {
    font-size: 0.72rem;
    line-height: 1.45;
  }

  /* 移动端压缩：首页学生成果一行两个（只作用于首页，成果列表页不受影响） */
  .achievement-grid--2 {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .achievement-grid--2 .achievement-card {
    padding: 16px 12px;
  }

  .achievement-grid--2 .achievement-card__avatar {
    width: 48px;
    height: 48px;
    margin-bottom: 10px;
  }

  .achievement-grid--2 .achievement-card__name {
    font-size: 0.9rem;
    margin-bottom: 6px;
  }

  .achievement-grid--2 .achievement-card__score {
    font-size: 1.4rem;
    margin-bottom: 4px;
  }

  .achievement-grid--2 .achievement-card__school {
    font-size: 0.72rem;
    margin-bottom: 4px;
  }

  .achievement-grid--2 .achievement-card__desc {
    font-size: 0.7rem;
    line-height: 1.45;
  }

  /* 移动端压缩：课堂实景横向轮播 */
  .gallery-swiper .swiper-slide {
    width: 240px;
  }

  .gallery-slide {
    aspect-ratio: 3/2;
  }

  .gallery-slide__info {
    padding: 12px;
  }

  .gallery-slide__title {
    font-size: 0.8rem;
  }

  /* 移动端压缩：核心课程分类改为一行三个、共两行 */
  .subject-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
  }

  .stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  /* 移动端压缩：四个数据方框收紧内边距 */
  .stat-item { padding: 20px 12px; }

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

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

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

  .detail-image {
    position: static;
    aspect-ratio: 4/3;
  }

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

  /* 移动端：底部「快速链接」由竖排改为一行（6 个链接均分整行宽度） */
  .footer__links {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 6px 0; /* 列间距交给 space-between 均分，避免撑爆一行 */
  }

  .footer__links a {
    display: inline-block;
    padding: 4px 0;
    font-size: 0.8rem;
    white-space: nowrap; /* 单个链接不折行，否则"师资团队"会被拆成两行 */
  }

  /* 一行排列后 hover 的左内边距会让整行抖动 */
  .footer__links a:hover {
    padding-left: 0;
  }

  .hero {
    height: 62vh;
    min-height: 420px;
  }

  /* 移动端压缩：收紧内部纵向间距，避免内容拥挤 */
  .hero__subtitle { margin-bottom: 24px; }

  .hero__pagination { margin-top: 24px; }

  /* 触摸端隐藏滚动提示，避免压缩后与分页点重叠 */
  .hero__scroll { display: none; }

  .hero__actions { flex-direction: column; }

  .form-row {
    grid-template-columns: 1fr;
  }

  .form-card {
    padding: 28px 20px;
  }

  .subscribe-form {
    flex-direction: column;
  }

  /* 移动端压缩：新闻资讯保持一行一个，改横向紧凑卡片（左图右文） */
  .news-list {
    gap: 12px;
  }

  .news-list__item {
    gap: 12px;
    padding: 10px;
    align-items: stretch;
  }

  .news-list__image {
    width: 110px;
    height: 84px;
    flex-shrink: 0;
  }

  .news-list__info h3 {
    font-size: 0.85rem;
    line-height: 1.35;
    margin-bottom: 4px;
    /* 长标题最多两行，超出省略，避免右侧文字把卡片撑高 */
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }

  .news-list__info p {
    font-size: 0.72rem;
    line-height: 1.45;
    margin-bottom: 4px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }

  /* 模板里日期是内联 0.8rem，需 !important 才能覆盖 */
  .news-list__info span {
    font-size: 0.68rem !important;
  }

  /* 移动端压缩：一行三个后收紧卡片内部尺寸 */
  .subject-card {
    padding: 16px 8px;
  }

  .subject-card__icon {
    width: 38px;
    height: 38px;
    font-size: 1rem;
    margin-bottom: 10px;
  }

  .subject-card__name {
    font-size: 0.82rem;
    margin-bottom: 4px;
  }

  .subject-card__desc {
    font-size: 0.68rem;
    line-height: 1.4;
    text-wrap: balance; /* 一行三个后描述会折行，避免第二行只剩一个字 */
  }

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

  .course-grid--2 {
    grid-template-columns: 1fr;
  }

  /* 移动端压缩：底部 CTA（让每个孩子都成为更好的自己） */
  .cta-section {
    padding: 36px 0;
  }

  /* 32px 时标题要折两行（112px 高），降到 24px 后 12 个字一行放得下 */
  .cta-section__title {
    font-size: 1.5rem;
    line-height: 1.3;
    margin-bottom: 12px;
  }

  .cta-section .section-tag {
    font-size: 0.68rem;
    padding: 6px 14px;
    margin-bottom: 12px;
  }

  /* 模板里是内联样式，需 !important 才能覆盖 */
  .cta-section p {
    font-size: 0.85rem !important;
    margin-bottom: 18px !important;
  }

  .cta-section .btn--lg {
    padding: 12px 26px;
    font-size: 0.9rem;
  }
}

@media (max-width: 425px) {
  .hero {
    height: 56vh;
    min-height: 420px;
  }

  /* 与 .container 的 16px 内边距对齐 */
  .gallery-swiper {
    padding: 0 16px;
  }

  .subject-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
  }

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

  .container {
    padding: 0 16px;
  }
}