/* ============================================
   奇妙编程 - 品牌视觉公共CSS（所有城市站+全国站共用）
   路径: /skin/default/css/brand.css
   ============================================ */

/* === CSS变量（品牌色体系） === */
:root {
  /* 主色调 */
  --primary: #2563EB;
  --primary-dark: #1D4ED8;
  --primary-light: #3B82F6;
  --primary-bg: #EFF6FF;

  /* CTA按钮 */
  --cta: #F97316;
  --cta-dark: #EA580C;
  --cta-light: #FB923C;

  /* 文字 */
  --heading: #1E293B;
  --body: #475569;
  --muted: #94A3B8;
  --white: #FFFFFF;

  /* 背景 */
  --bg: #F8FAFC;
  --bg-card: #FFFFFF;
  --footer-bg: #0F172A;
  --footer-text: #CBD5E1;

  /* 功能色 */
  --success: #10B981;
  --success-light: #ECFDF5;
  --danger: #DC2626;
  --danger-light: #FEF2F2;
  --warning: #F59E0B;

  /* 字体 */
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;

  /* 字号 */
  --fs-h1: clamp(28px, 5vw, 46px);
  --fs-h2: clamp(24px, 4vw, 34px);
  --fs-h3: 20px;
  --fs-body: 16px;
  --fs-sm: 14px;
  --fs-xs: 13px;

  /* 行高 */
  --lh: 1.7;

  /* 圆角 */
  --radius: 8px;
  --radius-btn: 6px;

  /* 阴影 */
  --shadow: 0 4px 12px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 24px rgba(0,0,0,0.12);

  /* 布局 */
  --max-width: 1140px;
  --section-pad: 80px;
  --section-pad-m: 40px;

  /* 断点 */
  --breakpoint: 768px;
}

/* === 全局重置 === */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  font-size: var(--fs-body);
  line-height: var(--lh);
  color: var(--body);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: var(--primary); transition: color .2s; }
a:hover { color: var(--primary-dark); }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }

/* === 通用容器 === */
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 20px; }

/* === 通用板块 === */
.nc-section { padding: var(--section-pad) 0; }
.nc-section--light { background: var(--white); }
.nc-section__header { text-align: center; margin-bottom: 48px; }
.nc-section__header h2 { font-size: var(--fs-h2); font-weight: 700; color: var(--heading); margin-bottom: 12px; }
.nc-section__header p { font-size: var(--fs-body); color: var(--body); max-width: 600px; margin: 0 auto; }

/* ============================================
   按钮系统
   ============================================ */
.nc-btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 32px; border-radius: var(--radius-btn);
  font-size: var(--fs-body); font-weight: 600; text-decoration: none;
  cursor: pointer; border: none; transition: transform .2s, box-shadow .2s;
  min-height: 44px; white-space: nowrap;
}
.nc-btn--primary { background: var(--cta); color: #fff; }
.nc-btn--primary:hover { background: var(--cta-dark); color: #fff; }
.nc-btn:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.nc-btn--primary { background: var(--cta); color: #fff; }
.nc-btn--primary:hover { background: var(--cta-dark); color: #fff; }
.nc-btn--outline { background: transparent; color: #fff; border: 2px solid rgba(255,255,255,.5); }
.nc-btn--outline:hover { border-color: #fff; background: rgba(255,255,255,.1); color: #fff; }
.nc-btn--outline-dark { background: transparent; color: var(--primary); border: 2px solid var(--primary); }
.nc-btn--outline-dark:hover { background: var(--primary); color: #fff; }
.nc-btn--sm { padding: 8px 18px; font-size: 14px; }
.nc-btn--lg { padding: 16px 40px; font-size: 18px; }
.nc-btn--block { width: 100%; justify-content: center; }

/* ============================================
   城市信任条
   ============================================ */
.nc-trustbar {
  background: linear-gradient(135deg, #1E3A8A, #2563EB);
  color: #fff; padding: 0; font-size: var(--fs-sm);
}
.nc-trustbar__inner {
  max-width: var(--max-width); margin: 0 auto; padding: 0 20px;
  display: flex; align-items: center; justify-content: space-between; height: 42px;
}
.nc-trustbar__city { font-weight: 700; display: flex; align-items: center; gap: 6px; }
.nc-trustbar__city i { color: #FBBF24; }
.nc-trustbar__phone { display: flex; align-items: center; gap: 6px; }
/* 内页兼容：trustbar右侧通用样式 */
.nc-trustbar__inner > div:last-child { display: flex; align-items: center; gap: 6px; }
.nc-trustbar__badge {
  background: var(--cta); color: #fff; padding: 2px 10px;
  border-radius: 12px; font-size: 12px; font-weight: 700; margin-left: 8px;
}

/* ============================================
   主导航栏
   ============================================ */
.nc-header {
  background: var(--white); box-shadow: 0 1px 3px rgba(0,0,0,0.06);
  position: sticky; top: 0; z-index: 1000;
}
.nc-header__inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 68px; max-width: var(--max-width); margin: 0 auto; padding: 0 20px;
}
.nc-logo {
  font-size: 22px; font-weight: 700; color: var(--primary);
  text-decoration: none; display: flex; align-items: center; gap: 8px;
}
/* 统一城市标签样式 - 所有页面使用 .city-tag 类 */
.nc-logo .city-tag,
.city-tag {
  font-size: 12px; background: #FEF2F2; color: #DC2626;
  padding: 2px 8px; border-radius: 10px; font-weight: 600;
}
.nc-nav {
  display: flex; align-items: center; gap: 20px; list-style: none;
}
.nc-nav a {
  text-decoration: none; color: var(--heading); font-weight: 500;
  font-size: 15px; transition: color .2s; position: relative; white-space: nowrap;
}
.nc-nav a:hover { color: var(--primary); }
.nc-nav a::after {
  content: ''; position: absolute; bottom: -4px; left: 0;
  width: 0; height: 2px; background: var(--primary); transition: width .3s;
}
.nc-nav a:hover::after { width: 100%; }
.nc-nav .active-page { color: var(--primary); font-weight: 700; }
.nc-nav .active-page::after { width: 100%; }
.nc-nav .btn-cta {
  background: var(--cta); color: #fff !important; padding: 8px 20px;
  border-radius: var(--radius-btn); font-weight: 600;
  transition: transform .2s, box-shadow .2s;
}
.nc-nav .btn-cta:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.nc-nav .btn-cta::after { display: none; }
.nc-nav .city-sel {
  font-size: 12px; color: var(--primary); border: 1px solid var(--primary);
  padding: 4px 10px; border-radius: 12px; transition: background .2s;
}
.nc-nav .city-sel:hover { background: var(--accent, #EFF6FF); }

/* 移动端汉堡按钮 */
.nc-hamburger {
  display: none; background: none; border: none;
  font-size: 24px; color: var(--heading); cursor: pointer; padding: 8px;
}
.nc-mobile-nav {
  display: none; position: fixed; top: 0; left: 0; width: 100%; height: 100%;
  background: rgba(0,0,0,.95); z-index: 9999;
  flex-direction: column; align-items: center; justify-content: center; gap: 24px;
}
.nc-mobile-nav.active { display: flex; }
.nc-mobile-nav a {
  color: #fff; font-size: 20px; text-decoration: none; font-weight: 600;
}
.nc-mobile-nav .close-btn {
  position: absolute; top: 24px; right: 24px;
  background: none; border: none; color: #fff; font-size: 28px; cursor: pointer;
}
.nc-mobile-nav .btn-cta { background: var(--cta); padding: 12px 32px; border-radius: var(--radius-btn); }

/* ============================================
   Hero区域
   ============================================ */
.nc-hero {
  background: linear-gradient(135deg, #1E3A8A 0%, #2563EB 50%, #3B82F6 100%);
  min-height: 75vh; display: flex; align-items: center;
  position: relative; overflow: hidden;
}
.nc-hero::before {
  content: ''; position: absolute; top: -30%; right: -5%;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(255,255,255,.08) 0%, transparent 70%);
  border-radius: 50%;
}
.nc-hero__content { position: relative; z-index: 1; max-width: 680px; }
.nc-hero__badge {
  display: inline-block; background: rgba(255,255,255,.15);
  color: #FBBF24; padding: 6px 16px; border-radius: 20px;
  font-size: var(--fs-sm); font-weight: 600; margin-bottom: 16px;
  backdrop-filter: blur(4px);
}
.nc-hero__badge i { margin-right: 6px; }
.nc-hero h1 {
  font-size: var(--fs-h1); font-weight: 700; color: #fff;
  line-height: 1.2; margin-bottom: 16px;
}
.nc-hero h1 .highlight { color: #FBBF24; }
.nc-hero p {
  font-size: clamp(15px, 2vw, 18px); color: rgba(255,255,255,.9);
  margin-bottom: 32px; line-height: 1.7;
}
.nc-hero__actions { display: flex; gap: 14px; flex-wrap: wrap; }
.nc-hero__stats { display: flex; gap: 32px; margin-top: 40px; }
.nc-hero__stat { text-align: center; }
.nc-hero__stat .num { font-size: 28px; font-weight: 700; color: #FBBF24; display: block; }
.nc-hero__stat .label { font-size: var(--fs-xs); color: rgba(255,255,255,.7); }

/* ============================================
   页面通用Hero（内页）
   ============================================ */
.page-hero {
  background: linear-gradient(135deg, #1E3A8A, #2563EB);
  padding: 80px 0 60px; text-align: center; color: #fff;
}
.page-hero h1 { font-size: clamp(28px, 4vw, 40px); margin-bottom: 12px; }
.page-hero p { font-size: 17px; opacity: .9; }
.page-hero--green { background: linear-gradient(135deg, #065F46, #10B981); }
.page-hero--orange { background: linear-gradient(135deg, #9A3412, #F97316); }
.page-hero--dark { background: linear-gradient(135deg, #0F172A, #1E293B); }

/* ============================================
   三大业务卡片
   ============================================ */
.nc-biz-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.nc-biz-card {
  background: #fff; border-radius: var(--radius); box-shadow: var(--shadow);
  padding: 40px 28px; text-align: center; transition: transform .3s, box-shadow .3s;
  position: relative; overflow: hidden;
}
.nc-biz-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.nc-biz-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px; }
.nc-biz-card:nth-child(1)::before { background: var(--primary); }
.nc-biz-card:nth-child(2)::before { background: var(--success); }
.nc-biz-card:nth-child(3)::before { background: var(--cta); }
.nc-biz-card__icon {
  width: 72px; height: 72px; border-radius: 50%; display: flex;
  align-items: center; justify-content: center; margin: 0 auto 20px; font-size: 32px;
}
.nc-biz-card:nth-child(1) .nc-biz-card__icon { background: #EFF6FF; color: var(--primary); }
.nc-biz-card:nth-child(2) .nc-biz-card__icon { background: #ECFDF5; color: var(--success); }
.nc-biz-card:nth-child(3) .nc-biz-card__icon { background: #FFF7ED; color: var(--cta); }
.nc-biz-card h3 { font-size: 20px; color: var(--heading); margin-bottom: 8px; }
.nc-biz-card p { font-size: var(--fs-sm); color: var(--body); margin-bottom: 20px; line-height: 1.6; }
.nc-biz-card__items { text-align: left; margin-bottom: 20px; padding: 0 16px; }
.nc-biz-card__items li {
  font-size: var(--fs-xs); color: var(--body); padding: 4px 0;
  list-style: none; display: flex; align-items: center; gap: 6px;
}
.nc-biz-card__items li i { color: var(--success); font-size: 12px; }

/* ============================================
   课程迷你卡片
   ============================================ */
.nc-course-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.nc-course-mini {
  background: #fff; border-radius: var(--radius); box-shadow: var(--shadow);
  padding: 24px 16px; text-align: center; transition: transform .3s;
  border-top: 3px solid var(--primary);
}
.nc-course-mini:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.nc-course-mini:nth-child(1) { border-top-color: #F59E0B; }
.nc-course-mini:nth-child(2) { border-top-color: #8B5CF6; }
.nc-course-mini:nth-child(3) { border-top-color: #06B6D4; }
.nc-course-mini:nth-child(4) { border-top-color: var(--primary); }
.nc-course-mini__icon { font-size: 32px; margin-bottom: 12px; }
.nc-course-mini h4 { font-size: 16px; color: var(--heading); margin-bottom: 4px; }
.nc-course-mini .age { font-size: 12px; color: #94A3B8; margin-bottom: 8px; }

/* ============================================
   课程详情卡片（编程学院页）
   ============================================ */
.course-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.course-card {
  background: #fff; border-radius: var(--radius); box-shadow: var(--shadow);
  padding: 40px 32px; display: flex; gap: 24px;
  transition: transform .3s, box-shadow .3s; border-left: 5px solid var(--primary);
}
.course-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.course-card:nth-child(2) { border-left-color: #F59E0B; }
.course-card:nth-child(3) { border-left-color: #8B5CF6; }
.course-card:nth-child(4) { border-left-color: #10B981; }
.course-card__icon {
  width: 80px; height: 80px; border-radius: 50%; display: flex;
  align-items: center; justify-content: center; font-size: 36px; flex-shrink: 0;
}
.course-card:nth-child(1) .course-card__icon { background: #EFF6FF; color: var(--primary); }
.course-card:nth-child(2) .course-card__icon { background: #FFF7ED; color: #F59E0B; }
.course-card:nth-child(3) .course-card__icon { background: #F5F3FF; color: #8B5CF6; }
.course-card:nth-child(4) .course-card__icon { background: #ECFDF5; color: #10B981; }
.course-card__info h3 { font-size: 20px; color: var(--heading); margin-bottom: 6px; }
.course-card__info .age {
  display: inline-block; background: var(--primary-bg, #EFF6FF);
  color: var(--primary); padding: 3px 12px; border-radius: 20px;
  font-size: var(--fs-xs); font-weight: 600; margin-bottom: 10px;
}
.course-card__info p { font-size: var(--fs-sm); color: var(--body); line-height: 1.6; margin-bottom: 16px; }

/* ============================================
   校区展示
   ============================================ */
.nc-campus-show {
  background: #fff; border-radius: var(--radius); box-shadow: var(--shadow);
  overflow: hidden; display: grid; grid-template-columns: 1fr 1fr;
}
.nc-campus-show__img {
  background: linear-gradient(135deg, #DBEAFE, #BFDBFE);
  display: flex; align-items: center; justify-content: center;
  min-height: 300px; font-size: 80px;
}
.nc-campus-show__info { padding: 40px; display: flex; flex-direction: column; justify-content: center; }
.nc-campus-show__info h3 { font-size: 22px; color: var(--heading); margin-bottom: 16px; }
.nc-campus-show__info .info-row {
  display: flex; align-items: flex-start; gap: 10px;
  margin-bottom: 12px; font-size: 15px; color: var(--body);
}
.nc-campus-show__info .info-row i { color: var(--primary); margin-top: 3px; width: 16px; text-align: center; }

/* ============================================
   案例滚动
   ============================================ */
.nc-case-scroll {
  display: flex; gap: 20px; overflow-x: auto; padding: 8px 0 24px;
  scroll-snap-type: x mandatory; -webkit-overflow-scrolling: touch;
}
.nc-case-scroll::-webkit-scrollbar { height: 6px; }
.nc-case-scroll::-webkit-scrollbar-thumb { background: #CBD5E1; border-radius: 3px; }
.nc-case-card {
  min-width: 260px; background: #fff; border-radius: var(--radius);
  box-shadow: var(--shadow); overflow: hidden; scroll-snap-align: start;
  transition: transform .3s;
}
.nc-case-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.nc-case-card__img {
  height: 140px; background: linear-gradient(135deg, #EFF6FF, #DBEAFE);
  display: flex; align-items: center; justify-content: center; font-size: 48px;
}
.nc-case-card__body { padding: 20px; }
.nc-case-card__body h4 { font-size: 16px; color: var(--heading); margin-bottom: 4px; }
.nc-case-card__body .meta { font-size: var(--fs-xs); color: var(--body); margin-bottom: 8px; }
.nc-case-card__body .badge {
  display: inline-block; background: #ECFDF5; color: var(--success);
  padding: 3px 10px; border-radius: 12px; font-size: 12px; font-weight: 600;
}

/* ============================================
   学科卡片
   ============================================ */
.subject-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.subject-card {
  background: #fff; border-radius: var(--radius); box-shadow: var(--shadow);
  padding: 32px 24px; text-align: center; transition: transform .3s;
  border-top: 3px solid var(--success);
}
.subject-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.subject-card:nth-child(2) { border-top-color: var(--primary); }
.subject-card:nth-child(3) { border-top-color: #8B5CF6; }
.subject-card:nth-child(4) { border-top-color: #F59E0B; }
.subject-card:nth-child(5) { border-top-color: #EC4899; }
.subject-card__icon { font-size: 40px; margin-bottom: 16px; }
.subject-card h3 { font-size: 18px; color: var(--heading); margin-bottom: 8px; }
.subject-card p { font-size: var(--fs-sm); color: var(--body); line-height: 1.6; }

/* ============================================
   托管卡片
   ============================================ */
.care-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.care-card {
  background: #fff; border-radius: var(--radius); box-shadow: var(--shadow);
  padding: 36px 28px; text-align: center; transition: transform .3s;
  border-top: 4px solid var(--cta);
}
.care-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.care-card:nth-child(2) { border-top-color: var(--success); }
.care-card__icon { font-size: 48px; margin-bottom: 16px; }
.care-card h3 { font-size: 20px; color: var(--heading); margin-bottom: 12px; }
.care-card p { font-size: var(--fs-sm); color: var(--body); line-height: 1.7; margin-bottom: 20px; }
.care-card ul { text-align: left; margin-bottom: 20px; padding: 0 16px; }
.care-card ul li {
  font-size: var(--fs-xs); color: var(--body); padding: 4px 0;
  list-style: none; display: flex; align-items: center; gap: 8px;
}
.care-card ul li i { color: var(--success); }

/* ============================================
   关于我们
   ============================================ */
.about-content { max-width: 800px; margin: 0 auto; }
.about-content p { font-size: var(--fs-body); color: var(--body); line-height: 1.9; margin-bottom: 20px; }
.about-info-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; margin-top: 40px; }
.about-info-card { background: var(--primary-bg); border-radius: var(--radius); padding: 28px 24px; text-align: center; }
.about-info-card__num { font-size: 36px; font-weight: 700; color: var(--primary); display: block; margin-bottom: 4px; }
.about-info-card__label { font-size: var(--fs-sm); color: var(--body); }
.about-links { display: flex; gap: 16px; justify-content: center; margin-top: 40px; flex-wrap: wrap; }

/* ============================================
   联系我们
   ============================================ */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; }
.contact-info { background: #fff; border-radius: var(--radius); box-shadow: var(--shadow); padding: 40px; }
.contact-info h3 { font-size: 20px; color: var(--heading); margin-bottom: 24px; }
.contact-info .info-row {
  display: flex; align-items: flex-start; gap: 12px;
  margin-bottom: 20px; font-size: 15px; color: var(--body);
}
.contact-info .info-row i { color: var(--primary); margin-top: 3px; width: 18px; text-align: center; font-size: 16px; }
.contact-info .info-row strong { display: block; color: var(--heading); margin-bottom: 2px; }
.contact-form { background: #fff; border-radius: var(--radius); box-shadow: var(--shadow); padding: 40px; }
.contact-form h3 { font-size: 20px; color: var(--heading); margin-bottom: 24px; }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: var(--fs-sm); font-weight: 600; color: var(--heading); margin-bottom: 6px; }
.form-group input, .form-group select, .form-group textarea {
  width: 100%; padding: 12px 16px; border: 2px solid #E2E8F0;
  border-radius: var(--radius-btn); font-size: 15px; font-family: var(--font);
  transition: border-color .3s; background: #F8FAFC;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  outline: none; border-color: var(--primary); background: #fff;
}
.form-group textarea { resize: vertical; min-height: 100px; }

/* ============================================
   新闻列表
   ============================================ */
.news-list { max-width: 800px; margin: 0 auto; }
.news-item {
  background: #fff; border-radius: var(--radius); box-shadow: var(--shadow);
  padding: 24px 28px; margin-bottom: 16px;
  transition: transform .2s, box-shadow .2s;
}
.news-item:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.news-item a {
  text-decoration: none; color: var(--heading); font-size: 17px;
  font-weight: 600; display: block; margin-bottom: 8px; transition: color .2s;
}
.news-item a:hover { color: var(--primary); }
.news-item .time { font-size: var(--fs-xs); color: #94A3B8; }

/* ============================================
   CTA区块
   ============================================ */
.nc-cta {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  padding: 64px 0; text-align: center; color: #fff;
}
.nc-cta h2 { font-size: clamp(22px, 4vw, 30px); margin-bottom: 12px; }
.nc-cta p { font-size: 17px; opacity: .9; margin-bottom: 28px; }
.nc-cta--green { background: linear-gradient(135deg, var(--success), #047857); }
.nc-cta--orange { background: linear-gradient(135deg, var(--cta), #EA580C); }

/* ============================================
   页脚
   ============================================ */
.nc-footer { background: var(--footer-bg); color: var(--footer-text); padding: 60px 0 30px; }
.nc-footer__grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; }
.nc-footer h4 { color: #fff; font-size: 16px; margin-bottom: 16px; }
.nc-footer p, .nc-footer a { font-size: var(--fs-sm); line-height: 2; }
.nc-footer a { color: #94A3B8; text-decoration: none; transition: color .2s; display: block; }
.nc-footer a:hover { color: #fff; }
.nc-footer__bottom {
  border-top: 1px solid #1E293B; margin-top: 40px; padding-top: 20px;
  text-align: center; font-size: var(--fs-xs); color: #64748B;
}



/* ============================================
   响应式 - 移动端
   ============================================ */
@media (max-width: 768px) {
  .nc-section { padding: var(--section-pad-m) 0; }
  .nc-section__header { margin-bottom: 32px; }

  /* 导航 */
  .nc-nav { display: none; }
  .nc-hamburger { display: block; }

  /* Hero */
  .nc-hero { min-height: 65vh; text-align: center; }
  .nc-hero__content { margin: 0 auto; }
  .nc-hero__actions { justify-content: center; }
  .nc-hero__stats { justify-content: center; gap: 20px; }

  /* 业务卡片 */
  .nc-biz-grid { grid-template-columns: 1fr; }
  .nc-course-grid { grid-template-columns: repeat(2, 1fr); }
  .course-grid { grid-template-columns: 1fr; }
  .course-card { flex-direction: column; text-align: center; }
  .course-card__icon { margin: 0 auto; }

  /* 校区展示 */
  .nc-campus-show { grid-template-columns: 1fr; }
  .nc-campus-show__img { min-height: 200px; }

  /* 案例 */
  .nc-case-card { min-width: 220px; }

  /* 学科 */
  .subject-grid { grid-template-columns: 1fr; }

  /* 托管 */
  .care-grid { grid-template-columns: 1fr; }

  /* 关于 */
  .about-info-grid { grid-template-columns: 1fr; }

  /* 联系 */
  .contact-grid { grid-template-columns: 1fr; }

  /* 页脚 */
  .nc-footer__grid { grid-template-columns: 1fr 1fr; gap: 24px; }

  /* 城市/课程网格 */
  .nc-city-grid { grid-template-columns: repeat(2, 1fr); }
  .nc-course-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px) {
  .nc-course-grid { grid-template-columns: 1fr; }
  .nc-footer__grid { grid-template-columns: 1fr; }
  .nc-city-grid { grid-template-columns: 1fr; }
  .nc-hero__stats { flex-wrap: wrap; }
}