/* ============================================
   名校严选 — Design System & Styles
   ============================================ */

/* ── Google Fonts ── */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Noto+Sans+SC:wght@300;400;500;600;700;900&family=Poppins:wght@400;600;700;800;900&display=swap');

/* ── CSS Variables (Design Tokens) ── */
:root {
  /* Colors */
  --color-primary: #0A1628;
  --color-primary-light: #132038;
  --color-secondary: #002D62;
  --color-accent-red: #C41E3A;
  --color-accent-red-light: #E63950;
  --color-accent-gold: #C8A84E;
  --color-accent-gold-light: #DFCA7E;
  --color-surface: #F4F6F8;
  --color-surface-alt: #EDF0F4;
  --color-text-primary: #2D3748;
  --color-text-secondary: #5A6A7E;
  --color-text-light: #8896A6;
  --color-white: #FFFFFF;
  --color-dark-card: rgba(15, 25, 45, 0.85);
  --color-glass: rgba(255, 255, 255, 0.06);
  --color-glass-border: rgba(255, 255, 255, 0.1);

  /* Gradients */
  --grad-hero: linear-gradient(165deg, rgba(10, 22, 40, 0.92) 0%, rgba(0, 45, 98, 0.85) 50%, rgba(10, 22, 40, 0.95) 100%);
  --grad-gold: linear-gradient(135deg, #C8A84E, #DFCA7E, #C8A84E);
  --grad-red: linear-gradient(135deg, #C41E3A, #E63950);
  --grad-blue: linear-gradient(135deg, #002D62, #0A1628);
  --grad-card: linear-gradient(145deg, rgba(255,255,255,0.05), rgba(255,255,255,0.02));
  --grad-section-dark: linear-gradient(180deg, #0A1628 0%, #0D1D35 50%, #0A1628 100%);

  /* Typography */
  --font-heading: 'Poppins', 'Noto Sans SC', sans-serif;
  --font-body: 'Inter', 'Noto Sans SC', sans-serif;

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;
  --space-3xl: 8rem;

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

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.12);
  --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.16);
  --shadow-xl: 0 16px 60px rgba(0, 0, 0, 0.2);
  --shadow-gold: 0 4px 30px rgba(200, 168, 78, 0.3);
  --shadow-red: 0 4px 30px rgba(196, 30, 58, 0.25);

  /* Transition */
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --transition-fast: 0.2s var(--ease-out);
  --transition-base: 0.4s var(--ease-out);
  --transition-slow: 0.6s var(--ease-out);

  /* Layout */
  --max-width: 1200px;
  --nav-height: 72px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-height);
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  color: var(--color-text-primary);
  background: var(--color-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  line-height: 1.7;
}

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

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

ul, ol {
  list-style: none;
}

/* ── Utility Classes ── */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 2rem;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--color-accent-gold);
  margin-bottom: var(--space-md);
}

.section-tag::before {
  content: '';
  width: 28px;
  height: 2px;
  background: var(--grad-gold);
  border-radius: 2px;
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: var(--space-md);
}

.section-title.light {
  color: var(--color-white);
}

.section-title.dark {
  color: var(--color-primary);
}

.section-subtitle {
  font-size: 1.1rem;
  line-height: 1.8;
  max-width: 680px;
}

.section-subtitle.light {
  color: rgba(255, 255, 255, 0.7);
}

.section-subtitle.dark {
  color: var(--color-text-secondary);
}

.gold-text {
  background: var(--grad-gold);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.red-text {
  color: var(--color-accent-red);
}

.highlight-number {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 900;
  background: var(--grad-gold);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}

/* ── Scroll Animation ── */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-left {
  opacity: 0;
  transform: translateX(-50px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

.reveal-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(50px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

.reveal-right.visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal-scale {
  opacity: 0;
  transform: scale(0.9);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

.reveal-scale.visible {
  opacity: 1;
  transform: scale(1);
}

/* Stagger delay */
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }
.delay-5 { transition-delay: 0.5s; }

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1rem;
  border: none;
  cursor: pointer;
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.btn-primary {
  padding: 16px 40px;
  background: var(--grad-red);
  color: var(--color-white);
  box-shadow: var(--shadow-red);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 40px rgba(196, 30, 58, 0.4);
}

.btn-gold {
  padding: 16px 40px;
  background: var(--grad-gold);
  color: var(--color-primary);
  box-shadow: var(--shadow-gold);
}

.btn-gold:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 40px rgba(200, 168, 78, 0.5);
}

.btn-outline {
  padding: 14px 36px;
  background: transparent;
  color: var(--color-white);
  border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-outline:hover {
  border-color: var(--color-accent-gold);
  color: var(--color-accent-gold);
  transform: translateY(-2px);
}

/* ============================================
   Navigation
   ============================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  z-index: 1000;
  transition: all var(--transition-base);
  background: transparent;
}

.navbar.scrolled {
  background: rgba(10, 22, 40, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-logo img {
  height: 42px;
  width: auto;
}

.nav-logo-text {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--color-white);
  letter-spacing: 1px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-links a {
  padding: 8px 16px;
  font-size: 0.9rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.75);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--color-white);
  background: rgba(255, 255, 255, 0.08);
}

.nav-cta {
  padding: 10px 24px !important;
  background: var(--grad-red) !important;
  color: var(--color-white) !important;
  border-radius: var(--radius-full) !important;
  font-weight: 600 !important;
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-red);
}

/* Mobile Nav Toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  z-index: 1001;
}

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

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

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

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

/* ============================================
   Section 1: Hero
   ============================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: url('../assets/images/hero-bg.jpg') center/cover no-repeat;
  z-index: 0;
}

.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--grad-hero);
}

/* Maple leaf decorations */
.hero-deco {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  overflow: hidden;
}

.hero-deco .maple {
  position: absolute;
  font-size: 3rem;
  opacity: 0.06;
  animation: float-leaf 20s infinite ease-in-out;
}

.hero-deco .maple:nth-child(1) { top: 15%; left: 8%; animation-delay: 0s; font-size: 4rem; }
.hero-deco .maple:nth-child(2) { top: 60%; left: 5%; animation-delay: -5s; font-size: 2.5rem; }
.hero-deco .maple:nth-child(3) { top: 25%; right: 10%; animation-delay: -10s; font-size: 3.5rem; }
.hero-deco .maple:nth-child(4) { bottom: 20%; right: 8%; animation-delay: -15s; font-size: 2rem; }
.hero-deco .maple:nth-child(5) { top: 45%; left: 20%; animation-delay: -8s; font-size: 5rem; }

@keyframes float-leaf {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  25% { transform: translateY(-15px) rotate(5deg); }
  50% { transform: translateY(5px) rotate(-3deg); }
  75% { transform: translateY(-10px) rotate(3deg); }
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 860px;
  padding: 0 2rem;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  background: rgba(200, 168, 78, 0.12);
  border: 1px solid rgba(200, 168, 78, 0.25);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-lg);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-accent-gold-light);
  backdrop-filter: blur(10px);
  animation: fadeInDown 0.8s var(--ease-out) 0.3s both;
}

.hero-badge .badge-dot {
  width: 8px;
  height: 8px;
  background: var(--color-accent-gold);
  border-radius: 50%;
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.3); }
}

.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 6vw, 4.2rem);
  font-weight: 900;
  line-height: 1.2;
  color: var(--color-white);
  margin-bottom: var(--space-md);
  animation: fadeInUp 0.8s var(--ease-out) 0.5s both;
}

.hero-title .accent {
  display: block;
  background: var(--grad-gold);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-desc {
  font-size: 1.15rem;
  line-height: 1.85;
  color: rgba(255, 255, 255, 0.7);
  max-width: 620px;
  margin: 0 auto var(--space-xl);
  animation: fadeInUp 0.8s var(--ease-out) 0.7s both;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
  animation: fadeInUp 0.8s var(--ease-out) 0.9s both;
}

.hero-scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255, 255, 255, 0.4);
  font-size: 0.75rem;
  letter-spacing: 2px;
  animation: fadeInUp 1s var(--ease-out) 1.2s both;
}

.hero-scroll .scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, rgba(200, 168, 78, 0.6), transparent);
  animation: scroll-pulse 2s infinite;
}

@keyframes scroll-pulse {
  0% { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  51% { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ============================================
   Section 2: Stats
   ============================================ */
.stats-section {
  position: relative;
  background: var(--color-primary);
  padding: var(--space-xl) 0;
  overflow: hidden;
}

.stats-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-accent-gold), transparent);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
}

.stat-item {
  text-align: center;
  position: relative;
}

.stat-item:not(:last-child)::after {
  content: '';
  position: absolute;
  right: 0;
  top: 20%;
  height: 60%;
  width: 1px;
  background: rgba(255, 255, 255, 0.1);
}

.stat-number {
  font-family: var(--font-heading);
  font-size: clamp(2.2rem, 4vw, 3.2rem);
  font-weight: 900;
  background: var(--grad-gold);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.2;
  margin-bottom: 4px;
}

.stat-label {
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.6);
  font-weight: 400;
}

/* ============================================
   Section 3: Why OSSD
   ============================================ */
.why-section {
  padding: var(--space-3xl) 0;
  background: var(--color-surface);
  position: relative;
}

.why-header {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.comparison-table-wrapper {
  margin-bottom: var(--space-2xl);
  overflow-x: auto;
}

.comparison-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.comparison-table thead th {
  background: var(--color-primary);
  color: var(--color-white);
  padding: 20px 24px;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1rem;
  text-align: left;
}

.comparison-table thead th:first-child {
  width: 22%;
}

.comparison-table thead th.ossd-col {
  background: var(--color-secondary);
  border-left: 3px solid var(--color-accent-gold);
}

.comparison-table tbody td {
  padding: 18px 24px;
  background: var(--color-white);
  border-bottom: 1px solid var(--color-surface);
  font-size: 0.95rem;
  vertical-align: top;
}

.comparison-table tbody td.label-cell {
  font-weight: 600;
  color: var(--color-primary);
  background: var(--color-surface-alt);
}

.comparison-table tbody td.ossd-cell {
  background: rgba(0, 45, 98, 0.03);
  border-left: 3px solid rgba(200, 168, 78, 0.2);
}

.comparison-table tbody td.ossd-cell .advantage {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--color-accent-red);
  font-weight: 600;
}

.advantage-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

.advantage-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--space-xl) var(--space-lg);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
  border: 1px solid transparent;
}

.advantage-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--grad-gold);
}

.advantage-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: rgba(200, 168, 78, 0.15);
}

.advantage-card .card-icon {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, rgba(0, 45, 98, 0.08), rgba(200, 168, 78, 0.08));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  margin-bottom: var(--space-md);
}

.advantage-card h3 {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
}

.advantage-card p {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
  line-height: 1.75;
}

/* ============================================
   Section 4: Five Steps Pathway
   ============================================ */
.pathway-section {
  padding: var(--space-3xl) 0;
  background: var(--grad-section-dark);
  position: relative;
  overflow: hidden;
}

.pathway-header {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.pathway-timeline {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
}

.pathway-timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--color-accent-gold), rgba(200, 168, 78, 0.1));
  transform: translateX(-50%);
}

.pathway-step {
  position: relative;
  display: flex;
  align-items: flex-start;
  margin-bottom: var(--space-xl);
}

.pathway-step:nth-child(even) {
  flex-direction: row-reverse;
}

.pathway-step:nth-child(even) .step-content {
  text-align: right;
}

.pathway-step:nth-child(even) .step-content p {
  text-align: left;
}

.step-dot {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--grad-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--color-primary);
  z-index: 2;
  box-shadow: 0 0 0 6px rgba(200, 168, 78, 0.15), var(--shadow-gold);
}

.step-content {
  width: calc(50% - 48px);
  padding: var(--space-lg);
  background: var(--color-dark-card);
  border: 1px solid var(--color-glass-border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(10px);
  transition: all var(--transition-base);
}

.step-content:hover {
  border-color: rgba(200, 168, 78, 0.25);
  transform: translateY(-4px);
}

.step-content h3 {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-accent-gold-light);
  margin-bottom: var(--space-xs);
}

.step-content p {
  color: rgba(255, 255, 255, 0.65);
  font-size: 0.95rem;
  line-height: 1.75;
}

.step-content .step-highlight {
  display: inline-block;
  margin-top: var(--space-sm);
  padding: 6px 14px;
  background: rgba(200, 168, 78, 0.1);
  border: 1px solid rgba(200, 168, 78, 0.2);
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-accent-gold);
}

/* ============================================
   Section 5: Target Universities
   ============================================ */
.universities-section {
  padding: var(--space-3xl) 0;
  background: var(--color-white);
  position: relative;
}

.universities-header {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.uni-showcase {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
  margin-bottom: var(--space-2xl);
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

.uni-card {
  background: var(--color-primary);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-base);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.uni-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.uni-card-header {
  padding: var(--space-lg);
  text-align: center;
  background: linear-gradient(135deg, var(--color-secondary), var(--color-primary));
  position: relative;
}

.uni-card-header::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 10%;
  right: 10%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-accent-gold), transparent);
}

.uni-card-header h3 {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 4px;
}

.uni-card-header .uni-en {
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.5);
}

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

.uni-stat {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.uni-stat:last-child {
  border-bottom: none;
}

.uni-stat .stat-key {
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.5);
}

.uni-stat .stat-val {
  font-weight: 600;
  font-size: 1.1rem;
  color: var(--color-accent-gold-light);
}

.ranking-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  margin: 0 auto;
  max-width: 560px;
}

.ranking-image img {
  width: 100%;
  image-rendering: -webkit-optimize-contrast;
  image-rendering: crisp-edges;
  filter: contrast(1.05) sharpen(1);
}

/* ============================================
   Section 6: Cost
   ============================================ */
.cost-section {
  padding: var(--space-3xl) 0;
  background: var(--color-surface);
  position: relative;
}

.cost-header {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.cost-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
  max-width: 900px;
  margin: 0 auto var(--space-2xl);
}

.cost-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--space-xl) var(--space-lg);
  box-shadow: var(--shadow-md);
  text-align: center;
  border: 1px solid transparent;
  transition: all var(--transition-base);
  position: relative;
}

.cost-card.featured {
  border: 2px solid var(--color-accent-gold);
  box-shadow: var(--shadow-gold);
}

.cost-card.featured::before {
  content: '核心项目';
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  padding: 4px 20px;
  background: var(--grad-gold);
  color: var(--color-primary);
  font-size: 0.8rem;
  font-weight: 700;
  border-radius: var(--radius-full);
}

.cost-card:hover {
  transform: translateY(-6px);
}

.cost-card h3 {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
}

.cost-price {
  margin: var(--space-md) 0;
}

.cost-price .currency {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-accent-red);
}

.cost-price .amount {
  font-family: var(--font-heading);
  font-size: 2.8rem;
  font-weight: 900;
  color: var(--color-accent-red);
}

.cost-price .unit {
  font-size: 1rem;
  color: var(--color-text-secondary);
}

.cost-card ul {
  text-align: left;
}

.cost-card ul li {
  padding: 8px 0;
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.cost-card ul li::before {
  content: '✓';
  color: var(--color-accent-gold);
  font-weight: 700;
  flex-shrink: 0;
}

.cost-note {
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
  padding: var(--space-lg);
  background: linear-gradient(135deg, rgba(0, 45, 98, 0.04), rgba(200, 168, 78, 0.04));
  border-radius: var(--radius-lg);
  border: 1px solid rgba(200, 168, 78, 0.15);
}

.cost-note p {
  font-size: 0.95rem;
  color: var(--color-text-secondary);
  line-height: 1.8;
}

/* ============================================
   Section 7: Maple Card Path
   ============================================ */
.maple-section {
  padding: var(--space-3xl) 0;
  background: var(--grad-section-dark);
  position: relative;
  overflow: hidden;
}

.maple-header {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

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

.maple-step-card {
  background: var(--color-dark-card);
  border: 1px solid var(--color-glass-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl) var(--space-lg);
  backdrop-filter: blur(10px);
  transition: all var(--transition-base);
  position: relative;
}

.maple-step-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.maple-step-card:nth-child(1)::before { background: var(--color-accent-gold); }
.maple-step-card:nth-child(2)::before { background: var(--color-accent-red); }
.maple-step-card:nth-child(3)::before { background: linear-gradient(90deg, var(--color-accent-red), var(--color-accent-gold)); }

.maple-step-card:hover {
  border-color: rgba(200, 168, 78, 0.2);
  transform: translateY(-6px);
}

.maple-step-num {
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 900;
  background: var(--grad-gold);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  opacity: 0.4;
  line-height: 1;
  margin-bottom: var(--space-sm);
}

.maple-step-card h3 {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: var(--space-sm);
}

.maple-step-card p {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.95rem;
  line-height: 1.75;
}

.family-benefit {
  max-width: 800px;
  margin: 0 auto var(--space-2xl);
  padding: var(--space-xl);
  background: rgba(196, 30, 58, 0.08);
  border: 1px solid rgba(196, 30, 58, 0.2);
  border-radius: var(--radius-lg);
  text-align: center;
}

.family-benefit h3 {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-accent-red-light);
  margin-bottom: var(--space-sm);
}

.family-benefit p {
  color: rgba(255, 255, 255, 0.65);
  font-size: 1rem;
  line-height: 1.8;
}

.maple-benefits-img {
  max-width: 800px;
  margin: 0 auto;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

/* ============================================
   Section 8: Bethune Program
   ============================================ */
.bethune-section {
  padding: var(--space-3xl) 0;
  background: var(--color-white);
  position: relative;
}

.bethune-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: center;
  max-width: 1000px;
  margin: 0 auto;
}

.bethune-info h2 {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-primary);
  margin-bottom: var(--space-md);
}

.bethune-info .subtitle {
  color: var(--color-accent-red);
  font-weight: 600;
  font-size: 1.1rem;
  margin-bottom: var(--space-lg);
}

.bethune-features {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.bethune-feature {
  display: flex;
  gap: var(--space-md);
  align-items: flex-start;
}

.bethune-feature .feat-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, rgba(196, 30, 58, 0.08), rgba(200, 168, 78, 0.08));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  flex-shrink: 0;
}

.bethune-feature h4 {
  font-family: var(--font-heading);
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 4px;
}

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

.bethune-visual {
  position: relative;
}

.bethune-card-visual {
  background: var(--grad-section-dark);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.bethune-card-visual::before {
  content: '🍁';
  position: absolute;
  top: 20px;
  right: 20px;
  font-size: 3rem;
  opacity: 0.15;
}

.bethune-card-visual .price-tag {
  font-family: var(--font-heading);
  font-size: 3.5rem;
  font-weight: 900;
  color: var(--color-accent-gold-light);
  margin: var(--space-lg) 0 var(--space-xs);
}

.bethune-card-visual .price-unit {
  color: rgba(255, 255, 255, 0.5);
  font-size: 1rem;
  margin-bottom: var(--space-lg);
}

.bethune-card-visual .guarantee {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  background: rgba(196, 30, 58, 0.15);
  border: 1px solid rgba(196, 30, 58, 0.3);
  border-radius: var(--radius-full);
  color: var(--color-accent-red-light);
  font-weight: 600;
}

/* ============================================
   Section 9: Success Cases
   ============================================ */
.cases-section {
  padding: var(--space-3xl) 0;
  background: var(--color-surface);
  position: relative;
}

.cases-header {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.cases-scroll-wrapper {
  position: relative;
  max-width: 100%;
  margin: 0 auto;
  overflow: hidden;
}

.cases-scroll-hint {
  text-align: center;
  margin-bottom: var(--space-md);
}

.cases-scroll-hint span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 24px;
  background: linear-gradient(135deg, rgba(0, 45, 98, 0.06), rgba(200, 168, 78, 0.06));
  border: 1px solid rgba(200, 168, 78, 0.15);
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  animation: hintPulse 2.5s ease-in-out infinite;
}

@keyframes hintPulse {
  0%, 100% { opacity: 0.7; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.03); }
}

.cases-grid {
  overflow: hidden;
  position: relative;
  cursor: grab;
  user-select: none;
  padding: var(--space-sm) 0 var(--space-lg);
}

.cases-grid:active {
  cursor: grabbing;
}

.cases-track {
  display: flex;
  gap: var(--space-lg);
  width: max-content;
}

.case-card {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: box-shadow var(--transition-base), border-color var(--transition-base);
  border: 1px solid transparent;
  min-width: 340px;
  max-width: 340px;
  flex-shrink: 0;
}

.case-card:hover {
  box-shadow: var(--shadow-xl);
  border-color: rgba(200, 168, 78, 0.15);
}

.case-photo {
  width: 100%;
  height: 280px;
  overflow: hidden;
  position: relative;
}

.case-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
  transition: transform var(--transition-slow);
  pointer-events: none;
}

.case-card:hover .case-photo img {
  transform: scale(1.05);
}

.case-photo::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 60px;
  background: linear-gradient(to top, var(--color-white), transparent);
}

.case-info {
  padding: var(--space-lg);
  text-align: center;
}

.case-info h3 {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.case-school {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: linear-gradient(135deg, rgba(196, 30, 58, 0.08), rgba(200, 168, 78, 0.08));
  border-radius: var(--radius-full);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-accent-red);
  margin-bottom: var(--space-sm);
}

.case-quote {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.75;
  font-style: italic;
  position: relative;
  padding: 0 var(--space-sm);
}

.case-quote::before {
  content: '"';
  font-size: 2rem;
  color: var(--color-accent-gold);
  position: absolute;
  top: -10px;
  left: 0;
  font-family: serif;
}


/* ============================================
   Section 10: About / Partners
   ============================================ */
.about-section {
  padding: var(--space-3xl) 0;
  background: var(--color-white);
  position: relative;
}

.about-header {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

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

.about-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  transition: all var(--transition-base);
}

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

.about-card-logo {
  height: 50px;
  margin-bottom: var(--space-md);
  display: flex;
  align-items: center;
}

.about-card-logo img {
  height: 100%;
  width: auto;
}

.about-card-logo .logo-text {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.4rem;
  color: var(--color-primary);
}

.about-card h3 {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
}

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

.service-promise {
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
  padding: var(--space-xl);
  background: var(--color-primary);
  border-radius: var(--radius-xl);
  position: relative;
  overflow: hidden;
}

.service-promise::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--grad-gold);
}

.service-promise h3 {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-accent-gold-light);
  margin-bottom: var(--space-sm);
}

.service-promise p {
  color: rgba(255, 255, 255, 0.65);
  font-size: 1rem;
  line-height: 1.8;
}

.promise-badges {
  display: flex;
  justify-content: center;
  gap: var(--space-md);
  margin-top: var(--space-lg);
  flex-wrap: wrap;
}

.promise-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-full);
  color: var(--color-white);
  font-size: 0.9rem;
  font-weight: 500;
}

/* ============================================
   Section 11: Contact
   ============================================ */
.contact-section {
  padding: var(--space-3xl) 0;
  background: var(--grad-section-dark);
  position: relative;
  overflow: hidden;
}

.contact-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-accent-gold), transparent);
}

.contact-header {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  max-width: 1000px;
  margin: 0 auto;
}

.contact-form-wrapper {
  background: var(--color-dark-card);
  border: 1px solid var(--color-glass-border);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  backdrop-filter: blur(10px);
}

.contact-form-wrapper h3 {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: var(--space-lg);
}

.form-group {
  margin-bottom: var(--space-md);
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 6px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 14px 18px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-md);
  color: var(--color-white);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: all var(--transition-fast);
  outline: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: rgba(255, 255, 255, 0.3);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--color-accent-gold);
  box-shadow: 0 0 0 3px rgba(200, 168, 78, 0.1);
}

.form-group select option {
  background: var(--color-primary);
  color: var(--color-white);
}

.form-group textarea {
  resize: vertical;
  min-height: 100px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

.contact-qr-wrapper {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.qr-card {
  background: var(--color-dark-card);
  border: 1px solid var(--color-glass-border);
  border-radius: var(--radius-xl);
  padding: var(--space-lg);
  text-align: center;
  backdrop-filter: blur(10px);
  transition: all var(--transition-base);
}

.qr-card:hover {
  border-color: rgba(200, 168, 78, 0.2);
}

.qr-card h4 {
  font-family: var(--font-heading);
  font-weight: 600;
  color: var(--color-white);
  margin-bottom: var(--space-sm);
}

.qr-card p {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: var(--space-md);
}

.qr-card img {
  width: 160px;
  height: 160px;
  object-fit: contain;
  margin: 0 auto;
  border-radius: var(--radius-sm);
  background: var(--color-white);
  padding: 8px;
}

/* ============================================
   Footer
   ============================================ */
.footer {
  background: #060E1A;
  padding: var(--space-xl) 0 var(--space-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.footer-brand img {
  height: 36px;
}

.footer-brand span {
  font-family: var(--font-heading);
  font-weight: 600;
  color: rgba(255, 255, 255, 0.5);
}

.footer-text {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.3);
}

.footer-links {
  display: flex;
  gap: var(--space-md);
}

.footer-links a {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.4);
  transition: color var(--transition-fast);
}

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

/* ============================================
   Responsive Design
   ============================================ */
@media screen and (max-width: 1024px) {
  .nav-links {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    height: 100vh;
    background: #0A1628;
    backdrop-filter: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 12px;
    z-index: 999;
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links a {
    font-size: 1.2rem;
    padding: 12px 24px;
    color: rgba(255, 255, 255, 0.85);
  }

  .nav-toggle {
    display: flex;
  }

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

  .stat-item:nth-child(2)::after {
    display: none;
  }

  .advantage-cards {
    grid-template-columns: 1fr;
  }

  .pathway-timeline::before {
    left: 24px;
  }

  .pathway-step,
  .pathway-step:nth-child(even) {
    flex-direction: column;
    padding-left: 60px;
  }

  .pathway-step:nth-child(even) .step-content {
    text-align: left;
  }

  .step-dot {
    left: 24px;
    transform: translateX(-50%);
  }

  .step-content {
    width: 100%;
  }

  .uni-showcase {
    grid-template-columns: 1fr;
  }

  .cost-cards {
    grid-template-columns: 1fr;
  }

  .maple-steps {
    grid-template-columns: 1fr;
  }

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

  .cases-grid {
    gap: var(--space-md);
    padding: var(--space-sm) var(--space-sm) var(--space-lg);
  }

  .case-card {
    min-width: 280px;
    max-width: 280px;
  }

  .about-grid {
    grid-template-columns: 1fr;
  }

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

@media screen and (max-width: 640px) {
  html {
    font-size: 15px;
  }

  .container {
    padding: 0 1.25rem;
  }

  .hero-title {
    font-size: clamp(1.8rem, 7vw, 2.8rem);
  }

  .hero-desc {
    font-size: 1rem;
  }

  .hero-actions {
    flex-direction: column;
  }

  .stats-grid {
    grid-template-columns: 1fr 1fr;
  }

  .stat-item::after {
    display: none !important;
  }

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

  .contact-qr-wrapper {
    flex-direction: row;
    flex-wrap: wrap;
  }

  .qr-card {
    flex: 1;
    min-width: 200px;
  }

  .promise-badges {
    flex-direction: column;
    align-items: center;
  }

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

/* ── Scrollbar ── */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--color-primary);
}

::-webkit-scrollbar-thumb {
  background: var(--color-secondary);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-accent-gold);
}

/* ============================================
   Admission Promo Banner
   ============================================ */
.admission-promo-banner {
    background: linear-gradient(135deg, #0B1B3D 0%, #162E65 100%);
    border-radius: var(--radius-md, 16px);
    padding: 40px;
    margin: 40px auto;
    max-width: 1000px;
    box-shadow: 0 20px 40px -10px rgba(11, 27, 61, 0.15);
    border-top: 4px solid #C8A84E;
    position: relative;
    overflow: hidden;
    color: #FFFFFF;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.admission-promo-banner::before {
    content: '';
    position: absolute;
    top: -50px;
    left: -50px;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(200, 168, 78, 0.15) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.admission-promo-banner::after {
    content: '';
    position: absolute;
    bottom: -50px;
    right: -50px;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(200, 168, 78, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.promo-banner-text {
    font-size: 1.15rem;
    color: rgba(255, 255, 255, 0.95);
    margin-bottom: 30px;
    max-width: 800px;
    line-height: 1.8;
}

.promo-banner-stats {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 40px;
    width: 100%;
}

.promo-stat-item {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(200, 168, 78, 0.3);
    border-radius: 12px;
    padding: 30px 40px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-width: 280px;
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.promo-stat-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    border-color: rgba(200, 168, 78, 0.6);
    background: rgba(255, 255, 255, 0.08);
}

.promo-stat-number {
    font-size: 4rem;
    font-weight: 800;
    color: #C8A84E;
    line-height: 1;
    margin-bottom: 10px;
    font-family: 'Poppins', 'Inter', sans-serif;
    text-shadow: 0 4px 15px rgba(200, 168, 78, 0.3);
    background: linear-gradient(135deg, #F0E68C, #C8A84E);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.promo-stat-label {
    font-size: 1.1rem;
    color: #FFFFFF;
    font-weight: 600;
    letter-spacing: 1px;
}

.promo-stat-sublabel {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
    margin-top: 5px;
}

@media (max-width: 768px) {
    .promo-banner-stats {
        gap: 20px;
    }
    .promo-stat-item {
        width: 100%;
        min-width: unset;
        padding: 20px;
    }
    .promo-stat-number {
        font-size: 3rem;
    }
    .admission-promo-banner {
        padding: 24px;
        margin: 24px 0;
    }
}


/* ============================================
   [TEMP] Sprint Class Notice Section
   九月直升名校冲刺班 开班通知
   ============================================ */

.sprint-notice-section {
  background: linear-gradient(180deg, #0A1628 0%, #0E1F3D 50%, #0A1628 100%);
  padding: var(--space-2xl) 0;
  position: relative;
  overflow: hidden;
}

.sprint-notice-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(200, 168, 78, 0.6), transparent);
}

.sprint-notice-section::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(200, 168, 78, 0.6), transparent);
}

/* Header */
.sprint-header {
  text-align: center;
  margin-bottom: 3rem;
}

.sprint-badge {
  display: inline-block;
  background: linear-gradient(135deg, #C41E3A, #E63950);
  color: #fff;
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 6px 20px;
  border-radius: 20px;
  margin-bottom: 1rem;
  animation: pulse-badge 2.5s ease-in-out infinite;
}

@keyframes pulse-badge {
  0%, 100% { box-shadow: 0 0 0 0 rgba(196,30,58,0.4); }
  50% { box-shadow: 0 0 0 8px rgba(196,30,58,0); }
}

.sprint-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 800;
  color: #fff;
  margin: 0.5rem 0;
  letter-spacing: 0.02em;
}

.sprint-subtitle {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-top: 0.75rem;
  flex-wrap: wrap;
}

.sprint-tag-gold {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-accent-gold);
  letter-spacing: 0.1em;
}

/* Card Wrapper */
.sprint-card-wrapper {
  max-width: 1000px;
  margin: 0 auto 2.5rem;
}

.sprint-main-card {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 0;
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid rgba(200, 168, 78, 0.3);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(255,255,255,0.04);
}

/* Card Left */
.sprint-card-left {
  background: linear-gradient(160deg, #0D1B36 0%, #122040 100%);
  padding: 2.5rem 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  border-right: 1px solid rgba(200, 168, 78, 0.25);
}

.sprint-course-badge {
  display: inline-block;
  background: rgba(200, 168, 78, 0.15);
  border: 1px solid rgba(200, 168, 78, 0.4);
  color: var(--color-accent-gold);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 4px 14px;
  border-radius: 20px;
  margin-bottom: 0.25rem;
  width: fit-content;
}

.sprint-course-title {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 800;
  color: #fff;
  line-height: 1.25;
  margin: 0;
}

.sprint-course-sub {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.55);
  margin: 0;
}

.sprint-course-schedule-note {
  font-size: 0.72rem;
  color: var(--color-accent-gold);
  line-height: 1.7;
  margin: 0.25rem 0 0.5rem;
  padding: 0;
  opacity: 0.9;
}

.sprint-promo-text {
  margin-top: 0.25rem;
}

.sprint-promo-text p {
  color: rgba(255,255,255,0.8);
  font-size: 0.85rem;
  line-height: 1.7;
  margin: 0 0 0.4rem;
}

.sprint-promo-highlight {
  color: var(--color-accent-gold) !important;
  font-weight: 700;
  font-size: 0.9rem !important;
}

.sprint-divider {
  height: 1px;
  background: linear-gradient(90deg, rgba(200, 168, 78, 0.4), transparent);
  margin: 0.75rem 0;
}

.sprint-info-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.sprint-info-label {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.5);
  min-width: 56px;
  flex-shrink: 0;
}

.sprint-info-value {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.85);
  font-weight: 500;
}

.sprint-time-badge {
  display: inline-block;
  background: linear-gradient(135deg, #0E5A3A, #1A7D54);
  color: #fff;
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 700;
  padding: 8px 18px;
  border-radius: 8px;
  margin-top: 0.5rem;
  width: fit-content;
  letter-spacing: 0.03em;
}

.sprint-time-exam {
  background: linear-gradient(135deg, #C8A84E, #DFCA7E);
  color: #0A1628;
}

/* Card Right */
.sprint-card-right {
  background: #fff;
  padding: 2.5rem 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.sprint-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.sprint-detail-item {
  background: #f8f9fb;
  border: 1px solid #e8ecf2;
  border-radius: 12px;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  transition: transform 0.2s, box-shadow 0.2s;
}

.sprint-detail-item:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0,0,0,0.08);
}

.sprint-detail-icon {
  font-size: 1.3rem;
  margin-bottom: 0.25rem;
}

.sprint-detail-label {
  font-size: 0.75rem;
  color: var(--color-text-secondary);
  font-weight: 500;
  letter-spacing: 0.05em;
}

.sprint-detail-value {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1;
}

.sprint-detail-value span {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-secondary);
}

.sprint-detail-value-sm {
  font-size: 1.1rem !important;
  line-height: 1.3 !important;
}

.sprint-detail-note {
  font-size: 0.72rem;
  color: var(--color-text-secondary);
  line-height: 1.5;
}

/* Certificate Box */
.sprint-cert-box {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  background: linear-gradient(135deg, #0A1628, #122040);
  border-radius: 12px;
  padding: 1.25rem 1.5rem;
  border: 1px solid rgba(200, 168, 78, 0.3);
}

.sprint-cert-icon {
  font-size: 1.8rem;
  flex-shrink: 0;
  margin-top: 2px;
}

.sprint-cert-text strong {
  display: block;
  color: var(--color-accent-gold);
  font-size: 0.9rem;
  font-weight: 700;
  margin-bottom: 0.4rem;
}

.sprint-cert-text p {
  color: rgba(255,255,255,0.7);
  font-size: 0.82rem;
  line-height: 1.6;
  margin: 0;
}

/* Footnote */
.sprint-footnote {
  max-width: 1000px;
  margin: 0 auto;
  background: rgba(15, 25, 45, 0.8);
  border: 1px solid rgba(200, 168, 78, 0.2);
  border-radius: 12px;
  padding: 1.25rem 2rem;
}

.sprint-footnote p {
  color: rgba(255, 255, 255, 0.75);
  font-size: 0.85rem;
  line-height: 1.9;
  margin: 0;
}

.sprint-footnote strong {
  color: var(--color-accent-gold);
}

/* Responsive */
@media (max-width: 768px) {
  .sprint-main-card {
    grid-template-columns: 1fr;
  }

  .sprint-card-left {
    border-right: none;
    border-bottom: 1px solid rgba(200, 168, 78, 0.25);
    padding: 2rem 1.5rem;
  }

  .sprint-card-right {
    padding: 2rem 1.5rem;
  }

  .sprint-detail-grid {
    grid-template-columns: 1fr 1fr;
  }

  .sprint-footnote {
    padding: 1rem 1.25rem;
  }
}

@media (max-width: 480px) {
  .sprint-detail-grid {
    grid-template-columns: 1fr;
  }
}