/* ========================================
   丹秋名师堂 - 教育亲和风格
   Design System & Global Styles
   ======================================== */

:root {
  /* 主色调 - 温暖珊瑚橙 */
  --color-primary: #E8734A;
  --color-primary-light: #F5A07A;
  --color-primary-dark: #C45A35;
  --color-primary-bg: #FFF3ED;

  /* 辅助色 - 阳光金 */
  --color-secondary: #F59E0B;
  --color-secondary-light: #FCD34D;
  --color-secondary-bg: #FFFBE6;

  /* 点缀色 - 信任青 */
  --color-accent: #5DBEC1;
  --color-accent-light: #8DD4D6;
  --color-accent-bg: #F0FAFA;

  /* 中性色 */
  --color-bg: #FFFBF5;
  --color-surface: #FFFFFF;
  --color-border: #F0E6DC;
  --color-border-light: #F8F3EC;

  /* 文字 */
  --color-text: #2D2320;
  --color-text-secondary: #6B5E58;
  --color-text-muted: #9C8F89;
  --color-text-inverse: #FFFFFF;

  /* 排版 */
  --font-family: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", -apple-system, BlinkMacSystemFont, sans-serif;
  --font-heading: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", sans-serif;

  /* 圆角 */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;

  /* 阴影 */
  --shadow-sm: 0 1px 3px rgba(45, 35, 32, 0.06), 0 1px 2px rgba(45, 35, 32, 0.04);
  --shadow-md: 0 4px 16px rgba(45, 35, 32, 0.08), 0 2px 4px rgba(45, 35, 32, 0.04);
  --shadow-lg: 0 12px 40px rgba(45, 35, 32, 0.10), 0 4px 12px rgba(45, 35, 32, 0.05);
  --shadow-xl: 0 20px 60px rgba(45, 35, 32, 0.12);

  /* 间距 */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  --space-3xl: 64px;
  --space-4xl: 96px;

  /* 容器 */
  --container-max: 1200px;
  --container-narrow: 900px;

  /* 过渡 */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;

  /* 导航高度 */
  --nav-height: 72px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  width: 100%;
}

body {
  font-family: var(--font-family);
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-text);
  background: var(--color-bg);
  overflow-x: hidden;
  width: 100%;
  max-width: 100vw;
}

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

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

a:hover {
  color: var(--color-primary-dark);
}

ul, ol {
  list-style: none;
}

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

h1 { font-size: clamp(2rem, 4vw, 3rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.25rem); }
h3 { font-size: clamp(1.2rem, 2vw, 1.5rem); }
h4 { font-size: 1.125rem; }

.section-title {
  text-align: center;
  margin-bottom: var(--space-sm);
  position: relative;
}

.section-subtitle {
  text-align: center;
  color: var(--color-text-secondary);
  font-size: 1.05rem;
  margin-bottom: var(--space-3xl);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.section-title::after {
  content: '';
  display: block;
  width: 48px;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
  border-radius: 2px;
  margin: var(--space-md) auto 0;
}

.section-kicker {
  margin-bottom: var(--space-sm);
  color: var(--color-primary-dark);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-align: center;
}

.stage-quick-nav {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  margin: -20px 0 var(--space-xl);
}

.stage-quick-nav a {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 2px 14px;
  align-items: center;
  padding: 16px 18px;
  color: var(--color-text);
  background: linear-gradient(135deg, #fff, var(--color-primary-bg));
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.stage-quick-nav a:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.stage-quick-nav span { grid-row: 1 / 3; color: var(--color-primary); font-size: 1.25rem; font-weight: 800; }
.stage-quick-nav strong { font-size: 0.95rem; }
.stage-quick-nav small { color: var(--color-text-secondary); font-size: 0.75rem; }

.facts-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin-bottom: var(--space-3xl);
  padding: var(--space-lg);
  background: #fff;
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.facts-strip div { padding: 8px 20px; text-align: center; }
.facts-strip div:not(:last-child) { border-right: 1px solid var(--color-border); }
.facts-strip strong { display: block; color: var(--color-primary-dark); font-size: 1.35rem; }
.facts-strip span { color: var(--color-text-secondary); font-size: 0.82rem; }

.teaching-path {
  margin-bottom: var(--space-4xl);
  padding: var(--space-2xl);
  background: rgba(255,255,255,0.78);
  border: 1px solid rgba(232,115,74,0.15);
  border-radius: var(--radius-xl);
}

.teaching-path-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
  list-style: none;
  counter-reset: none;
}

.teaching-path-list li {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 142px;
  padding: var(--space-lg);
  background: #fff;
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
}

.teaching-path-list b { color: var(--color-secondary); font-size: 0.78rem; letter-spacing: 0.08em; }
.teaching-path-list strong { margin: 8px 0 6px; font-size: 1rem; }
.teaching-path-list span { color: var(--color-text-secondary); font-size: 0.82rem; line-height: 1.55; }

.service-visuals {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
  margin-top: var(--space-2xl);
}

.service-visual { margin: 0; }

.service-visual img {
  display: block;
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border-radius: var(--radius-md);
  background: #eee6dd;
  filter: saturate(0.88) contrast(0.98);
}

.service-visual figcaption { padding: 12px 2px 0; }
.service-visual figcaption span {
  display: block;
  color: var(--color-secondary);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
}
.service-visual figcaption strong {
  display: block;
  margin-top: 5px;
  color: var(--color-text);
  font-size: 0.94rem;
  line-height: 1.45;
}
.service-visual-note {
  margin: var(--space-lg) 2px 0;
  color: var(--color-text-light);
  font-size: 0.76rem;
}
.campus-title-spaced { margin-top: var(--space-xl); }

.course-finder {
  margin-top: -28px;
  position: relative;
  z-index: 3;
}

.course-finder-panel {
  display: grid;
  grid-template-columns: 0.9fr 1.5fr;
  gap: var(--space-2xl);
  align-items: center;
  padding: var(--space-xl);
  background: #fff;
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.course-finder-panel .section-kicker { text-align: left; }
.course-finder-panel h2 { margin-bottom: 6px; font-size: 1.35rem; }
.course-finder-panel p { color: var(--color-text-secondary); font-size: 0.88rem; }
.course-stage-tabs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.course-stage-tabs a { display: flex; flex-direction: column; padding: 15px; color: var(--color-text); background: var(--color-bg); border: 1px solid var(--color-border); border-radius: var(--radius-md); }
.course-stage-tabs a:hover { border-color: var(--color-primary-light); background: var(--color-primary-bg); }
.course-stage-tabs b { color: var(--color-primary-dark); font-size: 1rem; }
.course-stage-tabs span { margin: 3px 0; font-size: 0.82rem; font-weight: 700; }
.course-stage-tabs small { color: var(--color-text-secondary); font-size: 0.7rem; }

#primary, #junior, #senior { scroll-margin-top: calc(var(--nav-height) + 18px); }

/* ========================================
   Container & Layout
   ======================================== */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.container-narrow {
  max-width: var(--container-narrow);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.section {
  padding: var(--space-4xl) 0;
}

.section-alt {
  background: var(--color-surface);
}

.section-primary-bg {
  background: var(--color-primary-bg);
}

/* ========================================
   Navigation
   ======================================== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  z-index: 1000;
  transition: box-shadow var(--transition-base);
}

.nav.scrolled {
  box-shadow: var(--shadow-md);
}

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

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text);
}

.nav-logo img {
  height: 40px;
  width: auto;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(12px, 1.7vw, 28px);
}

.nav-links a {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
  font-weight: 500;
  padding: var(--space-xs) 0;
  position: relative;
  transition: color var(--transition-fast);
  white-space: nowrap;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-primary);
  border-radius: 1px;
  transition: width var(--transition-base);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--color-primary);
}

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

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: 10px 18px;
  background: var(--color-primary);
  color: var(--color-text-inverse);
  border-radius: var(--radius-full);
  font-size: 0.9rem;
  font-weight: 600;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.nav-cta:hover {
  background: var(--color-primary-dark);
  color: var(--color-text-inverse);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(232, 115, 74, 0.3);
}

.nav-mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-mobile-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  border-radius: 1px;
  transition: all var(--transition-fast);
}

/* ========================================
   Buttons
   ======================================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 12px 28px;
  border-radius: var(--radius-full);
  font-size: 0.95rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
}

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

.btn-primary:hover {
  background: var(--color-primary-dark);
  color: var(--color-text-inverse);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(232, 115, 74, 0.35);
}

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

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

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

/* ========================================
   Cards
   ======================================== */
.card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border-light);
  transition: all var(--transition-base);
}

.card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.card-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: var(--space-md);
}

.card-icon.orange { background: var(--color-primary-bg); color: var(--color-primary); }
.card-icon.gold { background: var(--color-secondary-bg); color: var(--color-secondary); }
.card-icon.teal { background: var(--color-accent-bg); color: var(--color-accent); }

/* ========================================
   Grid
   ======================================== */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-lg); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-lg); }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-lg); }

/* ========================================
   Hero Section
   ======================================== */
.hero {
  padding: calc(var(--nav-height) + var(--space-4xl)) 0 var(--space-4xl);
  background: linear-gradient(135deg, var(--color-primary-bg) 0%, #FFF8F3 60%, #FFF3ED 100%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(245, 158, 11, 0.08) 0%, transparent 70%);
  border-radius: 50%;
}

.hero-banner {
  position: relative;
  min-height: 510px;
  padding: calc(var(--nav-height) + 72px) 0 78px;
  overflow: hidden;
  background: #D4C0A8;
}

.hero-banner::before {
  display: none;
}

.hero-banner .hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
  position: relative;
  z-index: 2;
}

.hero-scene-visual {
  position: absolute;
  z-index: 1;
  inset: 0;
  width: 100%;
  height: 100%;
  margin: 0;
  overflow: hidden;
  transform: none;
  background: transparent;
  border: 0;
  border-radius: 0;
  box-shadow: none;
}

.hero-scene-visual::after {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(90deg, rgba(75, 55, 42, 0.62) 0%, rgba(75, 55, 42, 0.30) 32%, rgba(75, 55, 42, 0.08) 52%, transparent 66%);
}

.hero-scene-visual img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
}

.hero-banner .container {
  position: relative;
  z-index: 2;
}

.hero-banner .hero-content {
  position: relative;
  z-index: 2;
  max-width: 540px;
  padding: 54px 0 40px;
}

.hero-banner .hero-content h1 {
  color: #FFFFFF;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.15);
}

.hero-banner .hero-content h1 span {
  color: #FFD4C0;
}

.hero-banner .hero-content h1 span::after {
  background: rgba(232, 115, 74, 0.45);
}

.hero-banner .hero-content p {
  color: rgba(255, 255, 255, 0.92);
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.12);
}

.hero-banner .hero-buttons .btn-secondary {
  background: rgba(255, 255, 255, 0.12);
  color: #FFFFFF;
  border-color: rgba(255, 255, 255, 0.75);
}

.hero-banner .hero-buttons .btn-secondary:hover {
  background: rgba(255, 255, 255, 0.24);
  color: #FFFFFF;
  border-color: #FFFFFF;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
}

.hero-content h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  margin-bottom: var(--space-md);
  line-height: 1.25;
}

.hero-content h1 span {
  color: var(--color-primary);
  position: relative;
}

.hero-content h1 span::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 0;
  width: 100%;
  height: 8px;
  background: rgba(232, 115, 74, 0.15);
  border-radius: 4px;
}

.hero-content p {
  color: var(--color-text-secondary);
  font-size: 1.1rem;
  margin-bottom: var(--space-xl);
  max-width: 480px;
}

.hero-buttons {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.hero-image {
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-image-photo {
  width: 100%;
  max-width: 520px;
  aspect-ratio: 4 / 3;
  margin: 0;
  overflow: hidden;
  background: #F7ECE4;
  border: 1px solid rgba(126, 74, 55, 0.1);
  border-radius: var(--radius-xl);
  box-shadow: 0 22px 50px rgba(90, 53, 38, 0.12);
}

.hero-image-photo img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero-image-placeholder {
  width: 100%;
  max-width: 480px;
  aspect-ratio: 4/3;
  background: linear-gradient(135deg, #FFE8D6, #FFF3ED);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
  color: var(--color-primary-light);
  border: 3px dashed var(--color-primary-light);
  position: relative;
  overflow: hidden;
}

.hero-image-placeholder::after {
  content: '🦉';
  font-size: 5rem;
  opacity: 0.2;
  position: absolute;
  bottom: -10px;
  right: 20px;
  transform: rotate(15deg);
}

/* ========================================
   Stats Bar
   ======================================== */
.stats-bar {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: var(--space-xl) var(--space-2xl);
  margin-top: -60px;
  position: relative;
  z-index: 10;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
}

.stat-item {
  text-align: center;
  padding: 0 var(--space-md);
}

.stat-item:not(:last-child) {
  border-right: 1px solid var(--color-border-light);
}

.stat-number {
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1.1;
}

.stat-number span {
  font-size: 1.25rem;
}

.stat-label {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  margin-top: var(--space-xs);
}

/* ========================================
   Course Cards
   ======================================== */
.course-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border-light);
  transition: all var(--transition-base);
}

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

.course-card-image {
  height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  position: relative;
}

.course-card-image > img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  object-position: center;
}

.course-card-image.primary { background: linear-gradient(135deg, var(--color-primary-bg), #FFD4C0); }
.course-card-image.secondary { background: linear-gradient(135deg, var(--color-secondary-bg), #FFF3C4); }
.course-card-image.accent { background: linear-gradient(135deg, var(--color-accent-bg), #D4F0F1); }

.course-card-image .grade-badge {
  position: absolute;
  top: var(--space-md);
  left: var(--space-md);
  background: rgba(255,255,255,0.9);
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-text);
  backdrop-filter: blur(4px);
}

/* 独立课程宣传封面：真人底图 + 可编辑中文卖点 */
.course-card-image.course-promo {
  height: auto;
  aspect-ratio: 3 / 2;
  padding: 0;
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
  justify-content: flex-start;
  overflow: hidden;
  isolation: isolate;
}

.course-card-image.course-promo::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(90deg, rgba(154, 48, 23, 0.28) 0%, rgba(196, 74, 38, 0.10) 48%, transparent 68%);
  pointer-events: none;
}

.course-promo-copy {
  width: 58%;
  padding: 0 0 0 clamp(12px, 1.5vw, 22px);
  color: #fff;
  text-align: left;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 5px;
  line-height: 1.28;
  text-shadow: 0 1px 3px rgba(92, 28, 12, 0.22);
}

.course-promo-copy strong {
  display: inline-block;
  margin-bottom: 3px;
  padding-bottom: 5px;
  border-bottom: 3px solid var(--color-secondary-light);
  color: #fff7d6;
  font-size: clamp(0.9rem, 1.35vw, 1.25rem);
  font-weight: 800;
  letter-spacing: 0.01em;
  white-space: nowrap;
}

.course-promo-copy span {
  display: block;
  position: relative;
  padding-left: 13px;
  font-size: clamp(0.65rem, 0.88vw, 0.82rem);
  font-weight: 600;
  white-space: nowrap;
}

.course-promo-copy span::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--color-secondary-light);
  font-weight: 800;
}

.course-card-body {
  padding: var(--space-lg);
}

.course-card-body h3 {
  margin-bottom: var(--space-sm);
  font-size: 1.15rem;
}

.course-card-body p {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  margin-bottom: var(--space-md);
  line-height: 1.6;
}

.course-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  margin-bottom: var(--space-md);
}

/* 课程结构化字段（适合对象/教学特色/课程亮点） */
.course-fields {
  margin-bottom: var(--space-sm);
}
.course-field {
  display: flex;
  font-size: 0.83rem;
  color: var(--color-text-secondary);
  margin-bottom: 5px;
  line-height: 1.5;
}
.course-field .f-label {
  flex-shrink: 0;
  color: var(--color-primary);
  font-weight: 600;
  margin-right: 6px;
}

.tag {
  display: inline-block;
  padding: 3px 10px;
  background: var(--color-primary-bg);
  color: var(--color-primary-dark);
  border-radius: var(--radius-full);
  font-size: 0.78rem;
  font-weight: 500;
}

.tag.gold {
  background: var(--color-secondary-bg);
  color: #B45309;
}

.tag.teal {
  background: var(--color-accent-bg);
  color: #0F766E;
}

/* ========================================
   Teacher Cards
   ======================================== */
.teacher-card {
  text-align: center;
  padding: var(--space-xl);
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border-light);
  transition: all var(--transition-base);
}

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

.teacher-avatar {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  margin: 0 auto var(--space-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  background: var(--color-primary-bg);
  color: var(--color-primary);
  overflow: hidden;
  flex-shrink: 0;
  padding: 0;
}

.teacher-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
  display: block;
}

.teacher-card h4 {
  margin-bottom: var(--space-xs);
}

.teacher-subject {
  display: inline-block;
  padding: 2px 12px;
  background: var(--color-secondary-bg);
  color: #B45309;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 500;
  margin-bottom: var(--space-sm);
}

.teacher-card p {
  color: var(--color-text-secondary);
  font-size: 0.85rem;
  line-height: 1.6;
}

/* ========================================
   FAQ
   ======================================== */
.faq-list {
  max-width: var(--container-narrow);
  margin: 0 auto;
}

.faq-category {
  margin-bottom: var(--space-2xl);
}

.faq-category h3 {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-sm);
  border-bottom: 2px solid var(--color-primary-bg);
}

.faq-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-sm);
  overflow: hidden;
  transition: all var(--transition-base);
}

.faq-item:hover {
  border-color: var(--color-primary-light);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-lg);
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
  text-align: left;
  font-family: var(--font-family);
  transition: color var(--transition-fast);
}

.faq-question:hover {
  color: var(--color-primary);
}

.faq-question .faq-icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--transition-base);
  font-size: 1.2rem;
  color: var(--color-primary);
}

.faq-item.open .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow), padding var(--transition-slow);
}

.faq-item.open .faq-answer {
  max-height: 500px;
}

.faq-answer-content {
  padding: 0 var(--space-lg) var(--space-lg);
  color: var(--color-text-secondary);
  font-size: 0.95rem;
  line-height: 1.8;
}

/* ========================================
   Timeline (About page)
   ======================================== */
.timeline {
  position: relative;
  max-width: var(--container-narrow);
  margin: 0 auto;
  padding: var(--space-xl) 0;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--color-border);
  transform: translateX(-50%);
}

.timeline-item {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
  align-items: start;
}

.timeline-item:nth-child(even) .timeline-content {
  grid-column: 1;
  grid-row: 1;
  text-align: right;
}

.timeline-item:nth-child(even) .timeline-dot {
  grid-column: 2;
  grid-row: 1;
}

.timeline-item:nth-child(even) .timeline-spacer {
  grid-column: 3;
}

.timeline-item:nth-child(odd) .timeline-spacer {
  grid-column: 1;
}

.timeline-item:nth-child(odd) .timeline-dot {
  grid-column: 2;
  grid-row: 1;
}

.timeline-item:nth-child(odd) .timeline-content {
  grid-column: 3;
  grid-row: 1;
}

.timeline-dot {
  width: 16px;
  height: 16px;
  background: var(--color-primary);
  border-radius: 50%;
  border: 3px solid var(--color-primary-bg);
  position: relative;
  z-index: 2;
}

.timeline-content {
  background: var(--color-surface);
  padding: var(--space-lg);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border-light);
}

.timeline-year {
  font-weight: 800;
  color: var(--color-primary);
  font-size: 1.1rem;
  margin-bottom: var(--space-xs);
}

.timeline-content p {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
}

/* ========================================
   Campus Cards
   ======================================== */
.campus-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border-light);
  transition: all var(--transition-base);
}

.campus-card:hover {
  box-shadow: var(--shadow-md);
}

.campus-card h4 {
  margin-bottom: var(--space-sm);
  font-size: 1.05rem;
}

.campus-info {
  margin-top: var(--space-sm);
}

.campus-info-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  color: var(--color-text-secondary);
  font-size: 0.88rem;
  margin-bottom: var(--space-xs);
}

.campus-info-item .label {
  font-weight: 600;
  color: var(--color-text);
  flex-shrink: 0;
}

/* ========================================
   News Cards
   ======================================== */
.news-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border-light);
  transition: all var(--transition-base);
}

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

.news-card-image {
  height: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
}

.news-card-body {
  padding: var(--space-lg);
}

.news-card-body .news-date {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-sm);
}

.news-card-body h4 {
  font-size: 1rem;
  margin-bottom: var(--space-sm);
  line-height: 1.4;
}

.news-card-body p {
  color: var(--color-text-secondary);
  font-size: 0.88rem;
  line-height: 1.6;
}

/* ========================================
   Contact CTA Section
   ======================================== */
.cta-section {
  background: linear-gradient(135deg, var(--color-primary), #e05a2e);
  color: var(--color-text-inverse);
  text-align: center;
  padding: var(--space-4xl) 0;
  border-radius: var(--radius-xl);
  margin: var(--space-2xl) auto;
  max-width: var(--container-max);
}

.cta-section h2 {
  color: var(--color-text-inverse);
  margin-bottom: var(--space-md);
}

.cta-section p {
  color: rgba(255,255,255,0.9);
  font-size: 1.05rem;
  margin-bottom: var(--space-xl);
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

.cta-section .btn {
  background: var(--color-text-inverse);
  color: var(--color-primary);
}

.cta-section .btn:hover {
  background: var(--color-secondary-light);
  color: var(--color-primary-dark);
}

/* ========================================
   Footer
   ======================================== */
.footer {
  background: #2D2320;
  color: rgba(255,255,255,0.7);
  padding: var(--space-3xl) 0 var(--space-xl);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-2xl);
  margin-bottom: var(--space-2xl);
}

.footer h4 {
  color: var(--color-text-inverse);
  font-size: 1rem;
  margin-bottom: var(--space-md);
}

.footer p,
.footer a {
  color: rgba(255,255,255,0.6);
  font-size: 0.9rem;
  line-height: 2;
}

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

.footer-hotline { display: inline-flex; flex-direction: column; line-height: 1.35 !important; }
.footer-hotline span { font-size: 0.74rem; color: rgba(255,255,255,0.5); }
.footer-hotline strong { margin-top: 3px; color: #fff; font-size: 1.05rem; letter-spacing: 0.03em; }

.footer-brand p {
  margin-bottom: var(--space-md);
}

.footer-bottom {
  padding-top: var(--space-lg);
  border-top: 1px solid rgba(255,255,255,0.1);
  text-align: center;
  font-size: 0.85rem;
}

.footer-bottom p { margin: 0; }
.footer-compliance {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 4px 12px;
  margin-top: 6px;
}
.footer-compliance a { color: rgba(255,255,255,0.65); }
.footer-compliance a:hover { color: var(--color-primary-light); }
.footer-address { margin-top: 8px !important; color: rgba(255,255,255,0.72); }
.footer-address a { color: #fff; font-weight: 600; }

/* ========================================
   热点关注与独立文章知识库
   ======================================== */
.content-hub-header { padding-bottom: 88px; }
.content-hub-header .section-kicker { color: var(--color-primary-dark); }

.content-trust-bar { margin-top: -52px; position: relative; z-index: 2; }
.content-trust-bar .container {
  display: grid;
  grid-template-columns: repeat(3, 1fr) auto;
  gap: var(--space-md);
  align-items: center;
  padding: var(--space-lg) var(--space-xl);
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}
.content-trust-bar strong,
.content-trust-bar span { display: block; }
.content-trust-bar strong { color: var(--color-text); margin-bottom: 3px; }
.content-trust-bar span { color: var(--color-text-secondary); font-size: .8rem; }
.content-trust-bar a { color: var(--color-primary-dark); font-weight: 700; white-space: nowrap; }

.content-intro {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: var(--space-xl);
  align-items: end;
  margin-bottom: var(--space-xl);
}
.content-intro .section-kicker { text-align: left; }
.content-intro h2 { font-size: clamp(1.7rem, 3vw, 2.35rem); margin: 5px 0 var(--space-sm); }
.content-intro p { color: var(--color-text-secondary); max-width: 700px; }
.content-filters { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 8px; }
.content-filters button {
  border: 1px solid var(--color-border);
  background: #fff;
  color: var(--color-text-secondary);
  border-radius: 999px;
  padding: 9px 15px;
  font: inherit;
  font-size: .85rem;
  cursor: pointer;
}
.content-filters button.active,
.content-filters button:hover { background: var(--color-primary); border-color: var(--color-primary); color: #fff; }

.knowledge-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0 var(--space-xl); border-top: 1px solid var(--color-border); }
.knowledge-card {
  color: inherit;
  position: relative;
  background: #fff;
  border-bottom: 1px solid var(--color-border);
  transition: background .2s ease;
}
.knowledge-card:nth-child(odd)::after { content: ''; position: absolute; top: 24px; bottom: 24px; right: calc(var(--space-xl) / -2); width: 1px; background: var(--color-border); }
.knowledge-card:hover { background: var(--color-bg-warm); }
.knowledge-card[hidden] { display: none; }
.knowledge-body { padding: var(--space-xl) var(--space-sm); }
.knowledge-meta { display: flex; justify-content: space-between; gap: 12px; color: var(--color-text-muted); font-size: .78rem; }
.knowledge-meta span { color: var(--color-primary-dark); font-weight: 700; }
.knowledge-card h2 { font-size: 1.15rem; line-height: 1.55; margin: 10px 0 8px; color: var(--color-text); }
.knowledge-card h2 { color: var(--color-text); }
.knowledge-card p { color: var(--color-text-secondary); font-size: .86rem; line-height: 1.75; display: -webkit-box; -webkit-box-orient: vertical; -webkit-line-clamp: 3; overflow: hidden; }
.knowledge-more { display: inline-block; color: var(--color-primary-dark); font-size: .86rem; font-weight: 700; margin-top: var(--space-md); }
.knowledge-card.featured { grid-column: span 2; background: var(--color-bg-warm); border-left: 4px solid var(--color-primary); }
.knowledge-card.featured::after { display: none; }
.knowledge-card.featured .knowledge-body { padding: var(--space-xl); }
.knowledge-card.featured h2 { font-size: 1.45rem; max-width: 900px; }
.knowledge-card.featured p { max-width: 900px; }
.content-count { text-align: center; color: var(--color-text-muted); margin-top: var(--space-xl); }

/* 新闻动态：高端教育品牌编辑式展示 */
.news-premium-page,
.news-archive-page { background: #fcfaf7; }
.news-brand-hero {
  padding: calc(var(--nav-height) + 92px) 0 88px;
  background: #fff;
  text-align: center;
  border-bottom: 1px solid #eee8e0;
}
.news-eyebrow {
  display: block;
  margin-bottom: 22px;
  color: var(--color-primary-dark);
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .24em;
}
.news-brand-hero h1 {
  margin: 0;
  color: var(--color-text);
  font-size: clamp(2.5rem, 5vw, 4.3rem);
  font-weight: 650;
  letter-spacing: .08em;
}
.news-brand-hero p {
  margin-top: 18px;
  color: var(--color-text-secondary);
  font-size: 1rem;
  letter-spacing: .14em;
}
.news-feature-section,
.news-selection-section { padding: 104px 0; }
.news-selection-section { background: #fff; }
.news-section-heading {
  display: grid;
  grid-template-columns: 1fr minmax(280px, 520px);
  gap: 48px;
  align-items: end;
  margin-bottom: 44px;
}
.news-section-heading > div { position: relative; padding-left: 48px; }
.news-section-index {
  position: absolute;
  left: 0;
  top: 4px;
  color: var(--color-primary-dark);
  font-size: .78rem;
  font-weight: 700;
}
.news-section-label {
  display: block;
  color: var(--color-text-muted);
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .18em;
}
.news-section-heading h2 {
  margin: 8px 0 0;
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-weight: 650;
}
.news-section-heading > p {
  color: var(--color-text-secondary);
  font-size: .92rem;
  line-height: 1.9;
}
.news-lead-story {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(340px, .8fr);
  background: #fff;
  border: 1px solid #e9e2d9;
}
.news-lead-image,
.news-editorial-image { display: block; overflow: hidden; background: #eee9e2; }
.news-lead-image { min-height: 470px; }
.news-lead-image img,
.news-editorial-image img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  transition: transform .55s ease;
}
.news-lead-story:hover .news-lead-image img,
.news-editorial-card:hover .news-editorial-image img { transform: scale(1.018); }
.news-lead-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(36px, 5vw, 68px);
}
.news-editorial-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  color: var(--color-text-muted);
  font-size: .75rem;
  letter-spacing: .04em;
}
.news-editorial-meta span {
  padding-right: 16px;
  color: var(--color-primary-dark);
  font-weight: 700;
  border-right: 1px solid #ddd5ca;
}
.news-lead-copy h2 {
  margin: 22px 0 16px;
  font-size: clamp(1.6rem, 2.5vw, 2.3rem);
  line-height: 1.5;
}
.news-lead-copy h2 a,
.news-editorial-copy h2 a { color: var(--color-text); }
.news-lead-copy p,
.news-editorial-copy p {
  color: var(--color-text-secondary);
  line-height: 1.9;
}
.news-text-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  width: fit-content;
  margin-top: 28px;
  color: var(--color-text);
  font-size: .86rem;
  font-weight: 700;
  border-bottom: 1px solid var(--color-primary);
  padding-bottom: 5px;
}
.news-text-link span { color: var(--color-primary-dark); transition: transform .2s ease; }
.news-text-link:hover span { transform: translateX(4px); }
.news-editorial-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 64px 34px;
}
.news-editorial-card { min-width: 0; }
.news-editorial-image { aspect-ratio: 3 / 2; }
.news-editorial-copy { padding: 25px 4px 0; }
.news-editorial-copy h2 {
  margin: 15px 0 10px;
  font-size: 1.25rem;
  line-height: 1.6;
}
.news-editorial-copy p {
  font-size: .88rem;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
}
.news-editorial-copy .news-text-link { margin-top: 19px; }
.news-archive-entry {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 30px;
  margin-top: 92px;
  padding: 30px 0;
  border-top: 1px solid #ddd5ca;
  border-bottom: 1px solid #ddd5ca;
}
.news-archive-entry strong,
.news-archive-entry span { display: block; }
.news-archive-entry strong { margin-bottom: 5px; font-size: 1.05rem; }
.news-archive-entry div span { color: var(--color-text-muted); font-size: .82rem; }
.news-archive-entry > a { color: var(--color-text); font-size: .88rem; font-weight: 700; white-space: nowrap; }
.news-archive-entry > a span { display: inline; color: var(--color-primary-dark); }
.news-visual-disclosure { margin-top: 18px; color: var(--color-text-muted); font-size: .74rem; line-height: 1.7; }

/* 往期新闻归档：保留完整内链，不干扰精选页视觉节奏 */
.news-archive-hero { position: relative; padding-bottom: 68px; }
.news-back-link { position: absolute; left: max(24px, calc((100% - 1200px) / 2)); top: calc(var(--nav-height) + 32px); color: var(--color-text-secondary); font-size: .84rem; }
.news-archive-section { padding: 72px 0 100px; }
.news-archive-list { border-top: 1px solid #ddd5ca; }
.news-archive-item {
  display: grid;
  grid-template-columns: 110px 90px minmax(0, 1fr) 24px;
  gap: 24px;
  align-items: center;
  padding: 26px 4px;
  color: inherit;
  border-bottom: 1px solid #e7e0d7;
}
.news-archive-item:hover { background: rgba(233, 110, 70, .035); }
.news-archive-item time,
.news-archive-item span { color: var(--color-text-muted); font-size: .78rem; }
.news-archive-item span { color: var(--color-primary-dark); font-weight: 700; }
.news-archive-item h2 { margin: 0; font-size: 1rem; line-height: 1.65; font-weight: 600; }
.news-archive-item i { color: var(--color-primary-dark); font-style: normal; }

/* 热点关注：无图片的高端编辑式内容中心 */
.insights-premium-page { background: #fcfaf7; }
.insights-brand-hero { background: #fff; }
.insights-lead-section,
.insights-list-section { padding: 104px 0; }
.insights-lead-article {
  position: relative;
  max-width: 1040px;
  padding: clamp(42px, 6vw, 76px);
  background: #fff;
  border-top: 2px solid var(--color-primary);
  border-bottom: 1px solid #ddd5ca;
}
.insights-lead-article::after {
  content: '01';
  position: absolute;
  top: 38px;
  right: 50px;
  color: rgba(58, 50, 44, .065);
  font-size: clamp(4rem, 9vw, 7.5rem);
  font-weight: 700;
  line-height: 1;
}
.insights-lead-article h2 {
  position: relative;
  z-index: 1;
  max-width: 800px;
  margin: 24px 0 18px;
  font-size: clamp(1.8rem, 3.2vw, 2.8rem);
  line-height: 1.45;
}
.insights-lead-article h2 a { color: var(--color-text); }
.insights-lead-article p {
  position: relative;
  z-index: 1;
  max-width: 760px;
  color: var(--color-text-secondary);
  font-size: 1rem;
  line-height: 1.95;
}
.insights-list-section { background: #fff; }
.insights-list-head {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 32px;
  align-items: end;
  margin-bottom: 48px;
}
.insights-list-head > div { position: relative; padding-left: 48px; }
.insights-list-head h2 { margin: 8px 0 0; font-size: clamp(1.8rem, 3vw, 2.6rem); }
.insights-filters { align-self: end; }
.insights-editorial-list { border-top: 1px solid #dcd4ca; }
.insights-editorial-item {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr) 32px;
  gap: 30px;
  align-items: start;
  padding: 42px 8px;
  background: transparent;
  border-bottom: 1px solid #e8e1d8;
  transition: background-color .22s ease, box-shadow .22s ease;
}
.insights-editorial-item[hidden] { display: none; }
.insights-editorial-item:hover,
.insights-editorial-item:focus-within {
  background: #f3ece4;
  box-shadow: inset 3px 0 0 var(--color-primary);
}
.insights-item-number {
  padding-top: 2px;
  color: var(--color-primary-dark);
  font-size: .76rem;
  font-weight: 700;
  letter-spacing: .08em;
}
.insights-item-content h2 {
  margin: 13px 0 10px;
  font-size: clamp(1.12rem, 2vw, 1.42rem);
  line-height: 1.6;
}
.insights-item-content h2 a { color: var(--color-text); }
.insights-item-content p {
  max-width: 850px;
  color: var(--color-text-secondary);
  font-size: .88rem;
  line-height: 1.85;
}
.insights-item-arrow {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  color: var(--color-primary-dark);
  border: 1px solid #ddd5ca;
  border-radius: 50%;
  transition: background .2s ease, color .2s ease, transform .2s ease;
}
.insights-editorial-item:hover .insights-item-arrow { background: var(--color-primary); border-color: var(--color-primary); color: #fff; transform: translateX(3px); }
.insights-content-note { margin-top: 28px; color: var(--color-text-muted); font-size: .76rem; line-height: 1.8; }
.home-knowledge { background: linear-gradient(180deg, #fff 0%, var(--color-bg-warm) 100%); }
.home-knowledge-grid { display: grid; grid-template-columns: 1.25fr .9fr; gap: var(--space-lg); }
.home-knowledge-featured { overflow: hidden; display: block; background: linear-gradient(135deg, var(--color-primary-bg), #fff); border: 1px solid var(--color-border); border-left: 5px solid var(--color-primary); border-radius: var(--radius-lg); box-shadow: var(--shadow-sm); }
.home-knowledge-featured > div { padding: clamp(28px, 4vw, 52px); }
.home-knowledge-featured span,
.home-knowledge-list span { color: var(--color-primary-dark); font-size: .78rem; font-weight: 700; }
.home-feature-label { display: block; color: var(--color-text-muted); font-size: .8rem; letter-spacing: .14em; margin-top: var(--space-xl); }
.home-knowledge-featured h3 { font-size: clamp(1.45rem, 2.4vw, 2rem); line-height: 1.4; margin: 10px 0; max-width: 720px; }
.home-knowledge-featured h3 a,
.home-knowledge-list strong { color: var(--color-text); }
.home-knowledge-featured p { color: var(--color-text-secondary); line-height: 1.75; margin-bottom: var(--space-md); }
.home-knowledge-featured > div > a:last-child { color: var(--color-primary-dark); font-weight: 700; }
.home-knowledge-list { display: grid; gap: 10px; }
.home-knowledge-list a { display: grid; gap: 7px; background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius-md); padding: 17px 20px; }
.home-knowledge-list a:hover { border-color: var(--color-primary); box-shadow: var(--shadow-sm); }
.home-knowledge-list strong { line-height: 1.5; }

.article-breadcrumb { display: flex; flex-wrap: wrap; gap: 8px; padding-top: var(--space-lg); color: var(--color-text-muted); font-size: .85rem; }
.article-breadcrumb a { color: var(--color-primary-dark); }
.article-page { max-width: 1120px; margin: 0 auto; padding: var(--space-xl) 24px var(--space-2xl); }
.article-header { max-width: 900px; margin: 0 auto var(--space-xl); text-align: center; }
.article-category { display: inline-block; color: var(--color-primary-dark); background: var(--color-primary-light); border-radius: 999px; padding: 6px 14px; font-size: .82rem; font-weight: 700; }
.article-header h1 { font-size: clamp(2rem, 4.4vw, 3.3rem); line-height: 1.25; margin: var(--space-md) 0; letter-spacing: -.02em; }
.article-summary { color: var(--color-text-secondary); font-size: 1.05rem; line-height: 1.8; }
.article-meta { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px 20px; margin-top: var(--space-md); color: var(--color-text-muted); font-size: .8rem; }
.article-layout { display: grid; grid-template-columns: minmax(0, 1fr) 255px; gap: var(--space-xl); align-items: start; margin-top: var(--space-lg); }
.article-content { min-width: 0; }
.answer-box,
.source-note { background: var(--color-bg-warm); border: 1px solid var(--color-border); border-left: 4px solid var(--color-primary); border-radius: var(--radius-md); padding: var(--space-lg); }
.answer-box strong { color: var(--color-primary-dark); }
.answer-box p { margin-top: 8px; color: var(--color-text-secondary); line-height: 1.8; }
.article-body { color: var(--color-text-secondary); font-size: 1rem; line-height: 2; padding: var(--space-lg) 4px; }
.article-body h2,
.source-note h2 { color: var(--color-text); font-size: 1.35rem; margin: var(--space-lg) 0 var(--space-sm); }
.article-body p { margin-bottom: var(--space-md); }
.article-body strong { color: var(--color-text); }
.source-note { border-left-color: var(--color-accent); }
.source-note h2 { margin-top: 0; }
.source-note p { color: var(--color-text-secondary); line-height: 1.8; margin-top: 8px; }
.source-note a { color: var(--color-primary-dark); text-decoration: underline; }
.article-side { position: sticky; top: 92px; display: grid; gap: var(--space-md); }
.side-card { background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius-md); padding: var(--space-lg); }
.side-card > strong { display: block; margin-bottom: var(--space-md); }
.side-card dl { display: grid; grid-template-columns: auto 1fr; gap: 8px 10px; font-size: .8rem; }
.side-card dt { color: var(--color-text-muted); }
.side-card dd { color: var(--color-text); margin: 0; }
.side-card > a { display: block; color: var(--color-primary-dark); font-size: .84rem; padding: 7px 0; border-bottom: 1px solid var(--color-border); }
.related-section { padding-bottom: var(--space-2xl); }
.related-section .section-kicker { text-align: left; }
.related-section > h2 { margin: 5px 0 var(--space-lg); }
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-md); }
.related-article { display: grid; gap: 6px; border: 1px solid var(--color-border); border-radius: var(--radius-md); padding: var(--space-lg); background: #fff; }
.related-article span { color: var(--color-primary-dark); font-size: .75rem; font-weight: 700; }
.related-article strong { color: var(--color-text); line-height: 1.55; }
.policy-page { max-width: 850px; margin: 0 auto; background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: clamp(24px, 5vw, 56px); box-shadow: var(--shadow-sm); }
.policy-page h2 { margin: var(--space-xl) 0 8px; font-size: 1.25rem; }
.policy-page p { color: var(--color-text-secondary); line-height: 1.9; }
.policy-updated { margin-top: var(--space-xl); padding-top: var(--space-md); border-top: 1px solid var(--color-border); }

/* ========================================
   Breadcrumb
   ======================================== */
.breadcrumb {
  padding: calc(var(--nav-height) + var(--space-xl)) 0 var(--space-lg);
}

.breadcrumb-inner {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

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

.breadcrumb-inner .separator {
  color: var(--color-border);
}

/* ========================================
   Page Header
   ======================================== */
.page-header {
  background: linear-gradient(135deg, var(--color-primary-bg) 0%, #FFF8F3 100%);
  padding: calc(var(--nav-height) + var(--space-3xl)) 0 var(--space-3xl);
  text-align: center;
}

.page-header h1 {
  margin-bottom: var(--space-sm);
}

.page-header p {
  color: var(--color-text-secondary);
  font-size: 1.05rem;
  max-width: 600px;
  margin: 0 auto;
}

/* ========================================
   Official Contact
   ======================================== */
.official-contact-hero { background: #fbf4ed; }
.official-contact-section { padding-top: var(--space-3xl); }
.official-hotline-panel {
  max-width: 880px;
  margin: 0 auto var(--space-4xl);
  padding: clamp(36px, 6vw, 68px) var(--space-xl);
  text-align: center;
  background: #2d2320;
  color: rgba(255,255,255,0.72);
  border-radius: var(--radius-xl);
}
.official-hotline-label { margin-bottom: 12px; color: #f3bca7; font-size: 0.85rem; letter-spacing: 0.12em; }
.official-hotline-number { display: inline-block; color: #fff; font-size: clamp(2.2rem, 6vw, 4.35rem); font-weight: 700; letter-spacing: 0.04em; line-height: 1.08; }
.official-hotline-number:hover { color: #fff1e8; }
.official-hotline-panel > p:not(.official-hotline-label) { margin: 14px 0 24px; font-size: 0.9rem; }
.official-hotline-panel .btn { background: var(--color-primary); color: #fff; }
.official-contact-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-2xl); }
.official-contact-grid article { padding-top: var(--space-lg); border-top: 1px solid var(--color-border); }
.official-contact-grid span { color: var(--color-secondary); font-size: 0.76rem; letter-spacing: 0.1em; }
.official-contact-grid h2 { margin: 10px 0 8px; font-size: 1.2rem; }
.official-contact-grid p { color: var(--color-text-secondary); font-size: 0.92rem; line-height: 1.75; }
.official-contact-faq { max-width: 880px; margin: var(--space-4xl) auto 0; padding-top: var(--space-2xl); border-top: 1px solid var(--color-border); }
.official-contact-faq > h2 { margin: 8px 0 var(--space-xl); }
.official-contact-faq-list { display: grid; gap: 0; }
.official-contact-faq-list article { padding: 20px 0; border-top: 1px solid var(--color-border-light); }
.official-contact-faq-list h3 { margin-bottom: 8px; font-size: 1rem; }
.official-contact-faq-list p { color: var(--color-text-secondary); line-height: 1.75; }
.official-contact-faq-list a { color: var(--color-primary-dark); font-weight: 700; }
.official-contact-updated { margin-top: var(--space-xl); color: var(--color-text-light); font-size: 0.78rem; }

/* ========================================
   Learning Method
   ======================================== */
.method-hero { background: #f8f1e9; }
.method-intro { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: clamp(36px, 8vw, 112px); align-items: start; max-width: 1040px; }
.method-intro h2 { margin-top: 8px; font-size: clamp(1.75rem, 3vw, 2.4rem); line-height: 1.3; }
.method-intro > p { color: var(--color-text-secondary); font-size: 1.02rem; line-height: 1.9; }
.method-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-md); list-style: none; padding: 0; margin: var(--space-2xl) 0 0; }
.method-steps li { min-height: 224px; padding: var(--space-lg); background: #fff; border: 1px solid var(--color-border-light); border-radius: var(--radius-md); }
.method-steps span, .method-needs-grid article > span { color: var(--color-secondary); font-size: 0.76rem; font-weight: 700; letter-spacing: 0.12em; }
.method-steps h3 { margin: 14px 0 8px; font-size: 1.05rem; }
.method-steps p { color: var(--color-text-secondary); font-size: 0.88rem; line-height: 1.7; }
.method-needs-grid { display: grid; grid-template-columns: repeat(2, 1fr); border-top: 1px solid var(--color-border); border-left: 1px solid var(--color-border); margin-top: var(--space-2xl); }
.method-needs-grid article { min-height: 230px; padding: clamp(24px, 3vw, 42px); border-right: 1px solid var(--color-border); border-bottom: 1px solid var(--color-border); transition: background var(--transition-base); }
.method-needs-grid article:hover { background: #fbf4ed; }
.method-needs-grid a { min-height: 210px; padding: clamp(24px, 3vw, 42px); border-right: 1px solid var(--color-border); border-bottom: 1px solid var(--color-border); transition: background var(--transition-base); color: inherit; }
.method-needs-grid a:hover { background: #fbf4ed; color: inherit; }
.method-needs-grid h3 { margin: 12px 0 10px; font-size: 1.2rem; }
.method-needs-grid p { max-width: 460px; color: var(--color-text-secondary); font-size: 0.92rem; line-height: 1.75; }
.method-needs-grid small { display: block; margin-top: 18px; color: var(--color-secondary); font-size: 0.76rem; }
.home-method-needs { padding-top: var(--space-4xl); }
.home-method-action { margin-top: var(--space-2xl); text-align: center; }
.course-finder-method-link { display: inline-block; margin-top: var(--space-md); color: var(--color-primary-dark); font-size: 0.88rem; font-weight: 700; }
.course-finder-method-link:hover { color: var(--color-primary); }
.method-course-match { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: clamp(36px, 8vw, 112px); align-items: center; max-width: 1080px; }
.method-course-match h2 { margin: 8px 0 14px; font-size: clamp(1.7rem, 3vw, 2.25rem); line-height: 1.3; }
.method-course-match > div > p { margin-bottom: var(--space-lg); color: var(--color-text-secondary); line-height: 1.8; }
.method-course-match ul { list-style: none; margin: 0; padding: 0; border-top: 1px solid rgba(232,115,74,0.25); }
.method-course-match li { display: grid; grid-template-columns: 136px 1fr; gap: var(--space-md); padding: 17px 0; border-bottom: 1px solid rgba(232,115,74,0.25); }
.method-course-match li strong { color: var(--color-primary-dark); font-size: 0.92rem; }
.method-course-match li span { color: var(--color-text-secondary); font-size: 0.87rem; line-height: 1.65; }
.method-progress-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-lg); max-width: 920px; margin: var(--space-2xl) auto 0; }
.method-progress-grid figure { margin: 0; overflow: hidden; border-top: 2px solid var(--color-primary); background: #fffaf6; }
.method-progress-grid img { display: block; width: 100%; aspect-ratio: 4 / 3; object-fit: cover; filter: saturate(0.88) contrast(0.98); }
.method-progress-grid .progress-image-goal { object-position: 50% 48%; }
.method-progress-grid .progress-image-classwork { object-position: 50% 53%; }
.method-progress-grid .progress-image-review { object-position: 52% 48%; }
.method-progress-grid figcaption { padding: var(--space-lg); text-align: center; }
.method-progress-grid strong { display: block; margin-bottom: 8px; color: var(--color-primary-dark); font-size: 1.05rem; }
.method-progress-grid span { color: var(--color-text-secondary); font-size: 0.86rem; }
.method-faq { max-width: 880px; }
.method-faq-list { margin-top: var(--space-2xl); border-top: 1px solid var(--color-border); }
.method-faq-list article { padding: 22px 0; border-bottom: 1px solid var(--color-border); }
.method-faq-list h3 { margin-bottom: 8px; font-size: 1rem; }
.method-faq-list p { color: var(--color-text-secondary); line-height: 1.75; }
.method-faq-list a { color: var(--color-primary-dark); font-weight: 700; }

/* ========================================
   About - Honor Grid
   ======================================== */
.honor-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-lg);
}

.honor-item {
  text-align: center;
  padding: var(--space-xl);
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.honor-icon {
  font-size: 2.5rem;
  margin-bottom: var(--space-md);
}

.honor-item h4 {
  margin-bottom: var(--space-xs);
}

.honor-item p {
  color: var(--color-text-secondary);
  font-size: 0.85rem;
}

/* ========================================
   Breadcrumb schema (hidden)
   ======================================== */
.schema-breadcrumb {
  display: none;
}

/* ========================================
   Touch & Accessibility
   ======================================== */
@media (hover: none) and (pointer: coarse) {
  /* Larger tap targets on touch devices */
  .nav-links a { padding: 8px 0; }
  .faq-question { padding: var(--space-md) var(--space-lg); min-height: 48px; }
  .btn { min-height: 44px; }

  /* Disable hover effects on touch */
  .course-card:hover,
  .teacher-card:hover,
  .campus-card:hover,
  .news-card:hover { transform: none; }
}

/* Scrollbar styling */
::-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); }

/* Print styles */
@media print {
  .nav, .footer, .cta-section, .nav-cta, .nav-mobile-toggle, .mobile-hotline-bar { display: none; }
  body { background: #fff; color: #000; }
  .hero, .page-header { padding-top: 20px; }
}

/* Mobile fixed hotline: injected once by the shared script and hidden on desktop. */
.mobile-hotline-bar { display: none; }

/* ========================================
   Responsive
   ======================================== */

/* ---- Tablet (≤1024px) ---- */
@media (max-width: 1024px) {
  :root {
    --space-4xl: 64px;
    --space-3xl: 48px;
  }

  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }

  .hero-inner { grid-template-columns: 1fr; }
  .hero-image { order: 0; }
  .hero-image-photo { max-width: 500px; margin: 0 auto; }
  .hero-image-placeholder { max-width: 320px; margin: 0 auto; }

  .hero-banner {
    min-height: 460px;
    padding-top: calc(var(--nav-height) + 56px);
    padding-bottom: 64px;
  }
  .hero-banner .hero-inner { display: block; min-height: 320px; }
  .hero-scene-visual { inset: 0; width: 100%; height: 100%; max-width: none; margin: 0; transform: none; }
  .hero-scene-visual::after {
    background: linear-gradient(90deg, rgba(75, 55, 42, 0.58) 0%, rgba(75, 55, 42, 0.26) 40%, rgba(75, 55, 42, 0.06) 56%, transparent 70%);
  }

  .stats-bar {
    grid-template-columns: repeat(2, 1fr);
    margin-top: -40px;
    padding: var(--space-lg);
    gap: var(--space-md);
    border-radius: var(--radius-lg);
  }
  .stat-number { font-size: 1.8rem; }

  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .official-contact-grid { gap: var(--space-lg); }
  .method-steps { grid-template-columns: repeat(2, 1fr); }

  .cta-section {
    margin: var(--space-xl) auto;
    padding: var(--space-2xl) var(--space-lg);
    border-radius: var(--radius-lg);
  }

  .teacher-selection-flow {
    flex-direction: column;
    gap: var(--space-md);
  }
  .teacher-selection-flow .arrow { display: none; }

  .page-header { padding: calc(var(--nav-height) + var(--space-2xl)) 0 var(--space-2xl); }
  .teaching-path-list { grid-template-columns: repeat(2, 1fr); }
  .service-visuals { gap: var(--space-md); }
  .course-finder-panel { grid-template-columns: 1fr; }
  .content-trust-bar .container { grid-template-columns: repeat(2, 1fr); }
  .home-knowledge-grid { grid-template-columns: 1fr; }
  .article-layout { grid-template-columns: 1fr; }
  .article-side { position: static; grid-template-columns: repeat(2, 1fr); }
}

/* ---- Mobile (≤768px) ---- */
@media (max-width: 768px) {
  :root {
    --nav-height: 60px;
    --space-4xl: 48px;
    --space-3xl: 40px;
    --space-2xl: 32px;
    --space-xl: 20px;
    --space-lg: 16px;
  }

  body {
    padding-bottom: calc(86px + env(safe-area-inset-bottom));
  }

  .mobile-hotline-bar {
    position: fixed;
    right: 18px;
    bottom: max(12px, env(safe-area-inset-bottom));
    left: 18px;
    z-index: 1100;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 56px;
    max-width: 420px;
    margin: 0 auto;
    padding: 0 24px;
    color: #fff;
    background: #e9714b;
    border: 1px solid rgba(255, 255, 255, 0.66);
    border-radius: 999px;
    box-shadow: 0 10px 24px rgba(118, 58, 38, 0.24);
    text-decoration: none;
  }

  .mobile-hotline-bar strong {
    color: #fff;
    font-size: 1.1rem;
    font-weight: 700;
    letter-spacing: 0;
    line-height: 1;
  }

  .container { padding: 0 var(--space-md); }

  /* Grids → single column */
  .grid-2,
  .grid-3,
  .grid-4 { grid-template-columns: 1fr; }

  .stage-quick-nav,
  .course-stage-tabs { grid-template-columns: 1fr; }
  .content-hub-header { padding-bottom: 70px; }
  .content-trust-bar .container { grid-template-columns: 1fr; padding: var(--space-lg); }
  .content-intro { grid-template-columns: 1fr; }
  .content-filters { justify-content: flex-start; }
  .knowledge-grid { grid-template-columns: 1fr; }
  .knowledge-card:nth-child(odd)::after { display: none; }
  .knowledge-card.featured { grid-column: auto; }
  .knowledge-card.featured .knowledge-body { padding: var(--space-lg); }
  .news-brand-hero { padding: calc(var(--nav-height) + 58px) 0 54px; }
  .news-brand-hero h1 { font-size: 2.2rem; }
  .news-brand-hero p { font-size: .86rem; letter-spacing: .08em; }
  .news-feature-section,
  .news-selection-section { padding: 62px 0; }
  .news-section-heading { grid-template-columns: 1fr; gap: 18px; margin-bottom: 30px; }
  .news-section-heading > div { padding-left: 38px; }
  .news-lead-story { grid-template-columns: 1fr; }
  .news-lead-image { min-height: 0; aspect-ratio: 3 / 2; }
  .news-lead-copy { padding: 28px 24px 32px; }
  .news-lead-copy h2 { font-size: 1.4rem; }
  .news-editorial-grid { grid-template-columns: 1fr; gap: 48px; }
  .news-archive-entry { align-items: flex-start; flex-direction: column; margin-top: 62px; }
  .news-back-link { top: calc(var(--nav-height) + 18px); }
  .news-archive-item { grid-template-columns: 82px minmax(0, 1fr) 18px; gap: 12px; }
  .news-archive-item span { grid-column: 2; grid-row: 1; }
  .news-archive-item h2 { grid-column: 1 / 3; grid-row: 2; }
  .news-archive-item i { grid-column: 3; grid-row: 1 / 3; }
  .insights-lead-section,
  .insights-list-section { padding: 62px 0; }
  .insights-lead-article { padding: 34px 24px 38px; }
  .insights-lead-article::after { top: 22px; right: 20px; }
  .insights-lead-article h2 { font-size: 1.55rem; }
  .insights-list-head { grid-template-columns: 1fr; gap: 24px; }
  .insights-list-head > div { padding-left: 38px; }
  .insights-filters { justify-content: flex-start; }
  .insights-editorial-item { grid-template-columns: 32px minmax(0, 1fr) 28px; gap: 12px; padding: 32px 0; }
  .insights-item-content p { display: -webkit-box; -webkit-box-orient: vertical; -webkit-line-clamp: 3; overflow: hidden; }
  .insights-item-arrow { width: 28px; height: 28px; }
  .article-page { padding-left: 16px; padding-right: 16px; }
  .article-header { text-align: left; }
  .article-meta { justify-content: flex-start; }
  .article-side,
  .related-grid { grid-template-columns: 1fr; }
  .facts-strip { grid-template-columns: repeat(2, 1fr); padding: var(--space-md); }
  .facts-strip div:nth-child(2) { border-right: 0; }
  .facts-strip div:nth-child(-n+2) { border-bottom: 1px solid var(--color-border); }
  .teaching-path { padding: var(--space-lg); }
  .teaching-path-list { grid-template-columns: 1fr; }
  .service-visuals { grid-template-columns: 1fr; gap: var(--space-xl); }
  .course-finder { margin-top: -16px; }
  .course-finder-panel { padding: var(--space-lg); gap: var(--space-lg); }

  /* Typography */
  h1 { font-size: 1.6rem; }
  h2 { font-size: 1.35rem; }
  .section-subtitle { font-size: 0.95rem; padding: 0 var(--space-md); }

  /* Nav */
  .nav-inner { padding: 0 var(--space-md); }
  .nav-cta {
    font-size: 0.8rem;
    padding: 8px 14px;
  }
  .nav-links { display: none; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: var(--color-surface);
    padding: var(--space-md) var(--space-lg);
    box-shadow: var(--shadow-lg);
    gap: var(--space-sm);
    border-bottom: 2px solid var(--color-primary-bg);
  }
  .nav-links.open a {
    padding: 10px 0;
    border-bottom: 1px solid var(--color-border-light);
  }
  .nav-mobile-toggle { display: flex; }

  /* Hero */
  .hero {
    padding: calc(var(--nav-height) + var(--space-2xl)) 0 var(--space-xl);
    text-align: center;
  }
  .hero-banner {
    min-height: 0;
    padding: calc(var(--nav-height) + 38px) 0 40px;
  }
  .hero-banner .hero-inner { display: flex; min-height: 0; flex-direction: column; gap: 0; }
  .hero-banner .hero-content { max-width: 100%; padding: var(--space-lg) 0; }
  .hero-scene-visual {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    max-width: none;
    margin: 0;
    transform: none;
  }
  .hero-scene-visual::after {
    background: linear-gradient(180deg, rgba(75, 55, 42, 0.55) 0%, rgba(75, 55, 42, 0.18) 45%, transparent 72%),
                linear-gradient(90deg, rgba(75, 55, 42, 0.38) 0%, transparent 55%);
  }
  .hero-scene-visual img {
    object-position: center center;
  }
  .hero-content h1 { font-size: 1.5rem; }
  .hero-content p { font-size: 0.95rem; margin: 0 auto var(--space-lg); }
  .hero-buttons { flex-direction: column; align-items: center; }
  .hero-buttons .btn { width: 100%; justify-content: center; }
  .hero-image-photo { max-width: 360px; }
  .hero-image-placeholder { max-width: 280px; aspect-ratio: 4/3; }

  /* Stats Bar */
  .stats-bar {
    grid-template-columns: 1fr;
    margin-top: var(--space-lg);
    padding: var(--space-md);
    gap: var(--space-sm);
    border-radius: var(--radius-md);
    position: relative;
    z-index: 5;
  }
  .stat-item:not(:last-child) {
    border-right: none;
    border-bottom: 1px solid var(--color-border-light);
    padding-bottom: var(--space-sm);
  }
  .stat-number { font-size: 1.6rem; }
  .stat-label { font-size: 0.82rem; }

  /* Section */
  .section { padding: var(--space-3xl) 0; }
  .section-title::after { width: 36px; height: 3px; }

  /* Cards */
  .card { padding: var(--space-lg); }
  .course-card-image { height: 150px; font-size: 2.5rem; }
  .course-card-image.course-promo { height: auto; }
  .course-card-body h3 { font-size: 1.05rem; }
  .course-card-body p { font-size: 0.85rem; }
  .tag { font-size: 0.73rem; padding: 2px 8px; }

  /* Teacher */
  .teacher-avatar { width: 80px; height: 80px; font-size: 2rem; }

  /* Teacher selection flow */
  .teacher-selection-flow {
    flex-direction: column;
    gap: var(--space-sm);
  }
  .teacher-selection-flow > div {
    min-width: 100%;
    flex: none;
  }
  /* Hide arrows on mobile */
  .teacher-selection-flow > div[style*="display:flex"][style*="align-items:center"] {
    display: none !important;
  }

  /* FAQ */
  .faq-category h3 { font-size: 1.05rem; }
  .faq-question {
    font-size: 0.92rem;
    padding: var(--space-md);
  }
  .faq-answer-content {
    font-size: 0.88rem;
    padding: 0 var(--space-md) var(--space-md);
  }
  .faq-item.open .faq-answer { max-height: 800px; }

  /* Timeline */
  .timeline { padding: var(--space-lg) 0; }
  .timeline::before { left: 16px; }
  .timeline-item {
    grid-template-columns: 32px 1fr !important;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
  }
  .timeline-item .timeline-spacer { display: none !important; }
  .timeline-item .timeline-content {
    grid-column: 2 !important;
    grid-row: 1 !important;
    text-align: left !important;
    padding: var(--space-md);
  }
  .timeline-item .timeline-dot {
    grid-column: 1 !important;
    grid-row: 1 !important;
  }
  .timeline-dot { width: 12px; height: 12px; }
  .timeline-year { font-size: 1rem; }
  .timeline-content p { font-size: 0.82rem; }

  /* Campus */
  .campus-card { padding: var(--space-md); }
  .campus-card h4 { font-size: 0.95rem; }
  .campus-info-item { font-size: 0.82rem; }

  /* News */
  .news-card-image { height: 140px; font-size: 2.5rem; }
  .news-card-body { padding: var(--space-md); }
  .news-card-body h4 { font-size: 0.95rem; }
  .news-card-body p { font-size: 0.82rem; }

  /* About */
  .honor-grid { grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: var(--space-md); }
  .honor-item { padding: var(--space-md); }
  .honor-icon { font-size: 2rem; }
  .honor-item h4 { font-size: 0.9rem; }

  /* Page Header */
  .page-header {
    padding: calc(var(--nav-height) + var(--space-2xl)) 0 var(--space-xl);
  }
  .page-header h1 { font-size: 1.5rem; }
  .page-header p { font-size: 0.9rem; padding: 0 var(--space-md); }

  /* CTA */
  .cta-section {
    margin: var(--space-lg) 0;
    padding: var(--space-2xl) var(--space-md);
    border-radius: var(--radius-md);
  }
  .cta-section h2 { font-size: 1.3rem; }
  .cta-section p { font-size: 0.92rem; }
  .cta-section .btn { font-size: 0.95rem; padding: 14px 28px; }

  /* Footer */
  .footer { padding: var(--space-2xl) 0 var(--space-lg); }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }
  .footer h4 { margin-bottom: var(--space-sm); }
  .footer p, .footer a { line-height: 1.8; }
  .footer-bottom { font-size: 0.78rem; }
  .official-contact-section { padding-top: var(--space-2xl); }
  .official-hotline-panel { margin-bottom: var(--space-3xl); padding: 38px var(--space-lg); border-radius: var(--radius-lg); }
  .official-contact-grid { grid-template-columns: 1fr; gap: var(--space-xl); }
  .official-contact-faq { margin-top: var(--space-3xl); }
  .method-intro, .method-course-match { grid-template-columns: 1fr; gap: var(--space-xl); }
  .method-steps { grid-template-columns: 1fr; }
  .method-steps li { min-height: auto; }
  .method-needs-grid { grid-template-columns: 1fr; }
  .method-needs-grid article { min-height: auto; }
  .method-course-match li { grid-template-columns: 1fr; gap: 5px; }
  .method-progress-grid { grid-template-columns: 1fr; gap: var(--space-sm); }

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

/* ---- Small Mobile (≤480px) ---- */
@media (max-width: 480px) {
  :root {
    --space-4xl: 36px;
    --space-3xl: 32px;
    --space-2xl: 24px;
  }

  .nav-logo span:last-child { font-size: 1rem; }
  .nav-logo span:first-child { font-size: 1.2rem; }
  .nav-cta {
    font-size: 0.75rem;
    padding: 6px 12px;
  }

  .hero-content h1 { font-size: 1.35rem; }
  .hero-content p { font-size: 0.88rem; }
  .hero-image-photo { max-width: 320px; }
  .hero-image-placeholder { max-width: 240px; }

  .stats-bar { margin-top: var(--space-md); }
  .stat-number { font-size: 1.4rem; }

  .course-card-image { height: 130px; }
  .course-card-image.course-promo { height: auto; }
  .course-promo-copy { gap: 3px; padding-left: 12px; }
  .course-promo-copy strong { font-size: 0.82rem; border-bottom-width: 2px; padding-bottom: 3px; }
  .course-promo-copy span { font-size: 0.59rem; padding-left: 11px; }

  .teacher-avatar { width: 70px; height: 70px; }

  .cta-section {
    padding: var(--space-xl) var(--space-md);
    border-radius: var(--radius-md);
  }
  .cta-section h2 { font-size: 1.15rem; }
  .cta-section p { font-size: 0.85rem; }
}