/* Google Fonts loaded via <link> in HTML head */
/* ========================================
   SeekingBar 留学工作室 - 主样式表
   基于现有网站风格延续
   ======================================== */

/* 色彩变量 */
:root {
  --primary:#0A2818;      /* 深蓝色 */
  --primary-light:#1B4332;
  --secondary:#F0F4F0;    /* 浅灰背景 */
  --accent:#4ADE80;       /* 绿色（CTA按钮） */
  --accent-hover:#22C55E;
  --text: #212121;          /* 深灰文字 */
  --text-secondary: #757575; /* 中灰文字 */
  --border: #e0e0e0;       /* 分割线 */
  --success: #4caf50;       /* 绿色（录取） */
  --shadow: 0 2px 8px rgba(0,0,0,0.1);
  --radius: 8px;
  --radius-sm: 4px;
}
/* Prevent logo text flash while fonts load */
.fonts-loading .nav-logo-en {
  opacity: 0;
  transition: opacity 0.15s ease;
}
.nav-logo-en {
  opacity: 1;
  transition: opacity 0.15s ease;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: #fff;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: color 0.2s;
}

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

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

/* 容器 */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ========================================
   导航栏
   ======================================== */
.navbar {
  background: var(--primary);
  box-shadow: 0 2px 12px rgba(0,0,0,0.15);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

/* Logo 拆分样式 */
.logo {
  display: flex;
  flex-direction: row;
  align-items: center;
  line-height: 1.2;
  text-decoration: none;
  gap: 10px;
}

.nav-logo-text {
  display: flex;
  flex-direction: row;
  gap: 2px;
}
.nav-logo-en {
  font-family: "Playfair Display", Georgia, "Times New Roman", serif;
  font-size: 1.6rem;
  font-weight: 900;
  font-style: italic;
  color: #fff;
  letter-spacing: 0.5px;
  text-shadow: 0 1px 3px rgba(0,0,0,0.3);
}
.nav-logo-cn {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  font-size: 1.6rem;
  font-weight: 900;
  color: #fff;
  letter-spacing: 2px;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 32px;
}

.nav-menu a {
  color: #fff;
  font-weight: 500;
  transition: color 0.2s;
}

.nav-menu a:hover,
.nav-menu a.active {
  color: var(--accent);
}

/* 汉堡菜单 */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: #fff;
  transition: 0.3s;
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
  background: linear-gradient(135deg, #0A2818 0%, #1B4332 100%);
  color: #fff;
  padding: 80px 0;
  text-align: center;
}

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

/* 按钮 */
.btn {
  display: inline-block;
  padding: 12px 32px;
  border-radius: var(--radius-sm);
  font-size: 16px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  border: none;
  text-align: center;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
}

.btn-primary:hover {
  background: var(--accent-hover);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(255,111,0,0.3);
}

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

.btn-outline:hover {
  background: var(--primary);
  color: #fff;
}

.btn-large {
  padding: 16px 48px;
  font-size: 18px;
}

/* ========================================
   区块标题
   ======================================== */
.section-title {
  font-size: 24px;
  font-weight: 600;
  color: var(--primary);
  text-align: center;
  margin-bottom: 20px;
}

.section-cta {
  text-align: center;
  margin-top: 48px;
}

/* ========================================
   三大卖点
   ======================================== */
.features{ padding:80px 0; background:#FAFAF7; }

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

/* ====== 案例详情页变量（已合并至主 :root） ====== */
/* ====== 功能卡片（4色方案） ====== */
.feature-card {
  padding: 44px 36px;
  border-radius: 14px;
  text-align: center;
  transition: transform 0.3s cubic-bezier(0.34,1.56,0.64,1), box-shadow 0.3s ease;
  box-shadow: 0 2px 10px rgba(0,0,0,0.06);
  position: relative;
  overflow: hidden;
}
.feature-card::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 14px;
  opacity: 0;
  background: radial-gradient(circle at 50% 0%, rgba(255,255,255,0.6) 0%, transparent 70%);
  transition: opacity 0.4s ease;
  pointer-events: none;
}
.feature-card:hover::after { opacity: 1; }
.feature-card:nth-child(4n+1) { background: #DEEDE0; }
.feature-card:nth-child(4n+2) { background: #E4ECF2; }
.feature-card:nth-child(4n+3) { background: #F2EBE1; }
.feature-card:nth-child(4n+4) { background: #F2E6EC; }
.feature-card:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: 0 12px 32px rgba(0,0,0,0.12);
}
.feature-icon { font-size: 44px; margin-bottom: 16px; }
.feature-card h3 {
  font-size: 19px;
  font-weight: 700;
  color: #0A2818;
  margin-bottom: 12px;
}
.feature-card p {
  color: #444;
  line-height: 1.7;
  font-size: 15px;
}

/* ========================================
   精选案例
   ======================================== */
.cases-preview {
  padding: 80px 0;
}

.cases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

/* ====== 案例卡片（4色方案） ====== */
.case-card {
  padding: 28px;
  border-radius: 14px;
  border: none;
  transition: transform 0.3s cubic-bezier(0.34,1.56,0.64,1), box-shadow 0.3s ease;
  box-shadow: 0 2px 10px rgba(0,0,0,0.06);
  position: relative;
  overflow: hidden;
}
.case-card::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 14px;
  opacity: 0;
  background: radial-gradient(circle at 50% 0%, rgba(255,255,255,0.6) 0%, transparent 70%);
  transition: opacity 0.4s ease;
  pointer-events: none;
}
.case-card:hover::after { opacity: 1; }
.case-card:nth-child(4n+1) { background: #DEEDE0; }
.case-card:nth-child(4n+2) { background: #E4ECF2; }
.case-card:nth-child(4n+3) { background: #F2EBE1; }
.case-card:nth-child(4n+4) { background: #F2E6EC; }
.case-card:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: 0 12px 32px rgba(0,0,0,0.12);
}
.case-header { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.case-avatar {
  width: 48px; height: 48px; border-radius: 50%;
  background: #0A2818; color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 18px; flex-shrink: 0;
}
.case-meta h3 { font-size: 16px; font-weight: 600; margin-bottom: 4px; color: #0A2818; }
.case-meta p { font-size: 14px; color: #555; }
.case-result {
  background: rgba(74,222,128,0.15);
  color: #0A2818;
  padding: 8px 14px;
  border-radius: 8px;
  font-weight: 600;
  margin-bottom: 12px;
  font-size: 14px;
}
.case-summary {
  font-size: 14px; color: #555; line-height: 1.6;
  margin-bottom: 12px;
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
}
.case-link { font-size: 14px; font-weight: 600; color: #0A2818; }
.case-link:hover { color: #4ADE80; }

/* ========================================
   服务简介
   ======================================== */
.services-preview{ padding:80px 0; background:#FAFAF7; }

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

/* ====== 服务卡片（4色方案） ====== */
.service-card {
  padding: 44px 36px;
  border-radius: 14px;
  text-align: center;
  transition: transform 0.3s cubic-bezier(0.34,1.56,0.64,1), box-shadow 0.3s ease;
  box-shadow: 0 2px 10px rgba(0,0,0,0.06);
  position: relative;
  overflow: hidden;
}
.service-card::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 14px;
  opacity: 0;
  background: radial-gradient(circle at 50% 0%, rgba(255,255,255,0.6) 0%, transparent 70%);
  transition: opacity 0.4s ease;
  pointer-events: none;
}
.service-card:hover::after { opacity: 1; }
.service-card:nth-child(4n+1) { background: #DEEDE0; }
.service-card:nth-child(4n+2) { background: #E4ECF2; }
.service-card:nth-child(4n+3) { background: #F2EBE1; }
.service-card:nth-child(4n+4) { background: #F2E6EC; }
.service-card:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: 0 12px 32px rgba(0,0,0,0.12);
}
.service-card h3 {
  font-size: 19px;
  font-weight: 700;
  color: #0A2818;
  margin-bottom: 12px;
}
.service-card p {
  color: #444;
  margin-bottom: 24px;
  font-size: 15px;
  line-height: 1.7;
}

/* ========================================
   数据概览
   ======================================== */
.data-overview {
  padding: 64px 0;
  background: #fff;
}

.data-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.data-card {
  text-align: center;
  padding: 32px 16px;
  border-radius: var(--radius);
  background: var(--secondary);
}

.data-number {
  font-size: 40px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 8px;
}

.data-label {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 12px;
}

.data-source {
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.4;
}

/* 关于页 - 核心结论高亮 */
.about-highlight {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--primary);
  line-height: 1.8;
  margin: 20px 0;
}
/* 关于页 - 数据区 */
.about-stats {
  margin: 24px 0;
  padding: 16px 20px;
  background: rgba(27,67,50,0.06);
  border-radius: 8px;
  border-left: 3px solid var(--primary);
}
.about-stats p {
  font-size: 1rem;
  line-height: 2;
  margin: 0;
}
.about-stats strong {
  font-size: 1.15rem;
  color: var(--primary);
}

/* 价值观标题 */
.values-heading {
  color: var(--primary);
  margin-top: 28px;
  margin-bottom: 8px;
}

@media (max-width: 768px) {

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

/* ========================================
   CTA 区域
   ======================================== */
.cta-section {
  background: var(--primary);
  color: #fff;
  padding: 80px 0;
  text-align: center;
}

.cta-section h2 {
  font-size: 24px;
  font-weight: 600;
  margin-bottom: 12px;
}

.cta-section p {
  font-size: 16px;
  margin-bottom: 32px;
  opacity: 0.9;
}

.cta-section .btn-primary {
  background: var(--accent);
  color: #fff;
}

/* ========================================
   Footer
   ======================================== */
.footer {
  background: #212121;
  color: #fff;
  padding: 64px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px;
  margin-bottom: 48px;
}

.footer-col h4 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 16px;
}

.footer-col ul {
  list-style: none;
}

.footer-col ul li {
  margin-bottom: 8px;
}

.footer-col a {
  color: rgba(255,255,255,0.7);
  transition: color 0.2s;
}

.footer-col a:hover {
  color: #fff;
}

.footer-col p {
  color: rgba(255,255,255,0.7);
  margin-bottom: 8px;
  font-size: 14px;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 32px;
  text-align: center;
  color: rgba(255,255,255,0.5);
  font-size: 14px;
}

/* ========================================
   联系浮窗
   ======================================== */
.contact-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 999;
}

/* ========================================
   平板端适配 (768px - 1024px)
   ======================================== */
@media (min-width: 769px) and (max-width: 1024px) {
  .features-grid,
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

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

  .dest-card.main {
    grid-column: span 2;
  }

  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
  }

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

  .hero-title {
    font-size: 2.2rem;
  }

  .section-title {
    font-size: 22px;
  }

  .container {
    padding: 0 20px;
  }
}

/* ========================================
   移动端适配
   ======================================== */
@media (max-width: 768px) {
  .hamburger {
    display: flex;
  }

  .nav-menu {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: #fff;
    flex-direction: column;
    padding: 16px 24px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    gap: 0;
  }

  .nav-menu.active {
    display: flex;
  }

  .nav-menu li {
    padding: 12px 0;
    border-bottom: 1px solid var(--border);
  }

  .features-grid,
  .cases-grid,
  .services-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .section-title {
    font-size: 20px;
  }
}

/* ========================================
   关于我们页面特有样式
   ======================================== */
.about-hero {
  padding: 80px 0;
  background: var(--secondary);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 48px;
  align-items: start;
}

.about-content h2 {
  font-size: 24px;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 16px;
}

.about-content p {
  margin-bottom: 16px;
  line-height: 1.8;
}

/* ========================================
   服务内容页面特有样式
   ======================================== */
.services-detail {
  padding: 80px 0;
}

.service-detail-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 48px;
  margin-bottom: 32px;
}

.service-detail-card h3 {
  font-size: 20px;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 24px;
}

.service-detail-card ul {
  list-style: none;
  margin-bottom: 24px;
}

.service-detail-card li {
  padding: 8px 0;
  padding-left: 24px;
  position: relative;
}

.service-detail-card li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--success);
  font-weight: 700;
}

/* 服务对比表 */
.service-comparison {
  width: 100%;
  border-collapse: collapse;
  margin-top: 48px;
}

.service-comparison th,
.service-comparison td {
  padding: 16px;
  text-align: center;
  border: 1px solid var(--border);
}

.service-comparison th {
  background: var(--primary);
  color: #fff;
  font-weight: 600;
}

.service-comparison td:first-child {
  text-align: left;
  font-weight: 500;
}

/* ========================================
   案例页面特有样式
   ======================================== */

.cases-all {
  padding: 48px 0;
}

/* ========================================
   博客页面特有样式
   ======================================== */
.blog-hero {
  padding: 80px 0;
  background: var(--secondary);
}

.blog-tags {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 24px;
}

.blog-tag {
  padding: 8px 16px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 20px;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.2s;
}

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

.blog-list {
  padding: 48px 0;
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.blog-card {
  background: #fff;
  border: 1px solid var(--border);
  border-left: 4px solid var(--primary);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.2s, box-shadow 0.2s;
}
.blog-card.cat-selection { border-left-color: var(--primary); }
.blog-card.cat-essay { border-left-color: #2563eb; }
.blog-card.cat-gre { border-left-color: #ea580c; }
.blog-card.cat-timeline { border-left-color: #7c3aed; }
.blog-card.cat-bg { border-left-color: #0891b2; }
.blog-card.cat-hot { border-left-color: #dc2626; }

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

.blog-cover {
  width: 100%;
  aspect-ratio: 16/9;
  background: var(--secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
}

.blog-info {
  padding: 24px;
}

.blog-info .tag {
  display: inline-block;
  padding: 4px 12px;
  background: var(--secondary);
  border-radius: 12px;
  font-size: 12px;
  color: var(--primary);
  margin-bottom: 8px;
}

.blog-info h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
  line-height: 1.4;
}

.blog-info p {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 12px;
  display: -webkit-box;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.blog-meta {
  font-size: 12px;
  color: var(--text-secondary);
}
.blog-meta .blog-meta-ext {
  margin-left: 6px;
  color: #dc2626;
}
.blog-info .tag.tag-hot {
  background: #fef2f2;
  color: #dc2626;
}

/* ========================================
   联系我们页面特有样式
   ======================================== */
.contact-hero {
  padding: 80px 0;
  background: var(--secondary);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

.contact-form {
  background: #fff;
  padding: 48px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.contact-info {
  padding: 48px 0;
}

.contact-info h3 {
  font-size: 20px;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 24px;
}

.contact-info p {
  margin-bottom: 16px;
  font-size: 16px;
}
.faq-cat-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin: 0 auto 48px;
  padding: 16px;
  background: #F7F9F8;
  border-radius: 14px;
}
.faq-cat-nav a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: 999px;
  background: #fff;
  border: 1px solid var(--border, #E5E7EB);
  color: var(--text);
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  transition: all .18s ease;
}
.faq-cat-nav a:hover {
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-1px);
}
.faq-cat-nav .cat-idx {
  display: inline-flex;
  width: 22px; height: 22px;
  align-items: center; justify-content: center;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  font-size: 12px; font-weight: 700;
}
.faq-cat-block {
  background: #F7F9F8;
  border-radius: 18px;
  padding: 32px 32px 16px;
  margin-bottom: 40px;
  border-left: 4px solid var(--primary);
}
.faq-cat-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 20px;
}
.faq-cat-head .num {
  font-family: "Playfair Display", Georgia, "Times New Roman", serif;
  font-size: 30px;
  font-weight: 700;
  color: var(--primary);
  opacity: .55;
  line-height: 1;
}
.faq-cat-head h2 {
  font-size: 22px !important;
  font-weight: 700;
  color: var(--primary);
  margin: 0 !important;
}
.faq-cat-head .sub {
  font-size: 13px;
  color: var(--text-secondary);
  margin-left: auto;
  white-space: nowrap;
}
.faq-list {
  margin-top: 0;
}
.faq-item {
  background: #fff;
  border: 1px solid var(--border, #E5E7EB);
  border-radius: 12px;
  padding: 16px 20px;
  margin-bottom: 12px;
  cursor: pointer;
  transition: box-shadow .18s ease, border-color .18s ease, background .18s ease;
}
.faq-item:hover {
  box-shadow: 0 4px 16px rgba(10,40,24,.08);
  border-color: rgba(10,40,24,.25);
}
.faq-item.active {
  background: rgba(10,40,24,.03);
  border-color: var(--primary);
}
.faq-question {
  font-weight: 600;
  color: var(--text);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}
.faq-question span {
  flex: 0 0 auto;
  display: inline-flex;
  width: 26px; height: 26px;
  align-items: center; justify-content: center;
  border-radius: 50%;
  background: rgba(10,40,24,.08);
  color: var(--primary);
  font-size: 16px; font-weight: 600;
  transition: transform .2s ease, background .2s ease, color .2s ease;
}
.faq-item.active .faq-question span {
  transform: rotate(45deg);
  background: var(--primary);
  color: #fff;
}
.faq-answer {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px dashed var(--border, #E5E7EB);
  color: var(--text-secondary);
  line-height: 1.8;
  display: none;
}
.faq-item.active .faq-answer {
  display: block;
}
@media (max-width: 768px) {
  .faq-cat-block { padding: 24px 18px 8px; }
  .faq-cat-head { flex-wrap: wrap; }
  .faq-cat-head .sub { margin-left: 0; }
}

/* ========================================
   移动端补充
   ======================================== */
@media (max-width: 768px) {
  .about-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

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

  .service-comparison {
    font-size: 14px;
  }

  .service-comparison th,
  .service-comparison td {
    padding: 8px;
  }
}

/* ========================================
   动画系统
   ======================================== */
@keyframes reveal {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

@keyframes gradientShift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.reveal-visible { opacity: 1; transform: translateY(0); }

/* ========================================
   Hero 升级样式
   ======================================== */
.hero {
  background: linear-gradient(135deg, #0A2818 0%, #1B4332 100%);
  padding: 96px 0 80px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(74,222,128,0.08) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 20%, rgba(74,222,128,0.05) 0%, transparent 40%);
  pointer-events: none;
}

.hero .hero-content {
  position: relative;
  z-index: 1;
}

.hero-title {
  font-family: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", sans-serif;
  font-size: 2.4rem;
  font-weight: 600;
  color: #fff;
  line-height: 1.35;
  margin-bottom: 20px;
  text-shadow: 0 2px 8px rgba(0,0,0,0.2);
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.12);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,0.2);
  color: rgba(255,255,255,0.9);
  padding: 6px 16px;
  border-radius: 100px;
  font-size: 14px;
  margin-bottom: 24px;
}

.hero-subtitle {
  font-size: 1.15rem;
  color: rgba(255,255,255,0.85);
  line-height: 1.8;
  margin-bottom: 40px;
  max-width: 680px;
  margin-left: auto;
  margin-right: auto;
}

.highlight {
  color: #4ADE80;
  font-weight: 600;
}

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

.btn-outline {
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255,255,255,0.6);
}

.btn-outline:hover {
  background: #fff;
  color: #0A2818;
  border-color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

/* ========================================
   数据概览（4色卡片方案）
   ======================================== */
.data-overview {
  padding: 64px 0;
  background: #FAFAF7;
}

.data-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.data-card {
  padding: 40px 20px;
  border-radius: 12px;
  text-align: center;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}

.data-card:nth-child(1) { background: #DEEDE0; }
.data-card:nth-child(2) { background: #E4ECF2; }
.data-card:nth-child(3) { background: #F2EBE1; }
.data-card:nth-child(4) { background: #F2E6EC; }

.data-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.1);
}

.data-number {
  font-family: "Playfair Display", Georgia, "Times New Roman", serif;
  font-size: 3rem;
  font-weight: 800;
  color: #0A2818;
  margin-bottom: 8px;
  line-height: 1;
}

.data-label {
  font-size: 15px;
  font-weight: 600;
  color: #212121;
}

.data-source {
  display: none;
}

/* ====== 案例详情页样式 ====== */
.case-detail-hero {
  background: linear-gradient(135deg, #0A2818 0%, #1B4332 100%);
  padding: 80px 0 48px;
  color: #fff;
  text-align: center;
}
.back-link {
  display: inline-block;
  color: rgba(255,255,255,0.7);
  font-size: .88rem;
  margin-bottom: 24px;
  transition: color .2s;
}
.back-link:hover { color: #4ADE80; }
.case-detail-hero h1 {
  font-family: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", sans-serif;
  font-size: 2.2rem;
  font-weight: 700;
  margin-bottom: 24px;
  line-height: 1.3;
}
.case-detail-offers {
  display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; margin-bottom: 20px;
}
.offer-badge {
  background: rgba(74,222,128,0.18);
  border: 1px solid rgba(74,222,128,0.3);
  color: #4ADE80;
  padding: 10px 20px;
  border-radius: 10px;
  font-weight: 600;
  font-size: .95rem;
}
.case-detail-tags {
  display: flex; flex-wrap: wrap; gap: 8px; justify-content: center;
}
.case-tag {
  font-size: .78rem; padding: 5px 14px; border-radius: 100px; font-weight: 500;
  border: 1px solid rgba(255,255,255,0.18); color: rgba(255,255,255,0.75);
  background: rgba(255,255,255,0.08);
}
.case-detail-content {
  padding: 48px 0 80px;
  background: #FAFAF7;
}
.case-detail-container {
  max-width: 820px;
}

/* 保留原有 modal-body 样式用于详情页 */
.case-detail-content .modal-header {
  background: linear-gradient(135deg, #0A2818, #1B4332);
  padding: 52px 48px 44px;
  color: #fff;
  position: relative;
  overflow: hidden;
  border-radius: 16px 16px 0 0;
  margin-bottom: 0;
}
.case-detail-content .modal-header::before {
  content: ""; position: absolute; inset: 0;
  background-image: radial-gradient(rgba(255,255,255,.03) 1px, transparent 1px);
  background-size: 24px 24px; pointer-events: none;
}
.case-detail-content .modal-header-content { position: relative; z-index: 1; }
.case-detail-content .modal-offer-label {
  font-size: .72rem; font-weight: 600; letter-spacing: .12em;
  text-transform: uppercase; color: rgba(255,255,255,.5); margin-bottom: 10px;
}
.case-detail-content .modal-offer-title {
  font-family: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", sans-serif;
  font-size: clamp(1.5rem,3vw,2rem); font-weight: 700; line-height: 1.3; margin-bottom: 8px;
}
.case-detail-content .modal-offer-school { font-size: 1rem; color: rgba(255,255,255,.65); margin-bottom: 20px; }
.case-detail-content .modal-offer-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.case-detail-content .modal-tag {
  font-size: .76rem; padding: 5px 14px; border-radius: 100px; font-weight: 500;
  border: 1px solid rgba(255,255,255,.15); color: rgba(255,255,255,.75);
  background: rgba(255,255,255,.06);
}
.case-detail-content .modal-body {
  padding: 40px 48px;
  background: #fff;
}
.case-detail-content .modal-section { margin-bottom: 36px; }
.case-detail-content .modal-section:last-child { margin-bottom: 0; }
.case-detail-content .modal-section-title {
  font-family: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", sans-serif;
  font-size: 1.1rem; font-weight: 700; color: #212121;
  margin-bottom: 16px; padding-bottom: 12px;
  border-bottom: 1px solid #DDE2DD;
  display: flex; align-items: center; gap: 10px;
}
.case-detail-content .modal-stats {
  display: grid; grid-template-columns: repeat(3,1fr); gap: 16px;
}
.case-detail-content .modal-stat {
  background: #FAFAF7; border-radius: 16px; padding: 20px;
  text-align: center; border: 1px solid #DDE2DD;
}
.case-detail-content .modal-stat-num {
  font-family: "Playfair Display", Georgia, "Times New Roman", serif;
  font-size: 1.6rem; font-weight: 700; color: #0A2818; line-height: 1;
}
.case-detail-content .modal-stat-label { font-size: .78rem; color: #888; margin-top: 6px; }
.case-detail-content .modal-reflection {
  background: linear-gradient(135deg, #DEEDE0, #F2EBE1);
  border-radius: 16px; padding: 28px;
  border: 1px solid rgba(27,67,50,.08);
}
.case-detail-content 
.case-detail-content .modal-reflection p {
  font-family: "PingFang SC", sans-serif;
  font-size: .92rem; line-height: 2; color: #555;
}
.case-detail-content .modal-reflection h4 {
  font-family: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", sans-serif;
  font-size: 1rem; font-weight: 700; color: #0A2818;
  margin-top: 24px; margin-bottom: 10px;
}
.case-detail-content .modal-reflection-author {
  font-size: .82rem; color: #888; margin-top: 16px;
}
.case-detail-content .modal-cta-btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 32px; background: #0A2818; color: #fff;
  font-size: .9rem; font-weight: 600; border-radius: 100px;
  cursor: default; border: none; opacity: 0.85;
}
.case-detail-content .modal-note { font-size: .82rem; color: #888; line-height: 1.7; }
.case-detail-content .modal-nav { display: flex; gap: 10px; }
.case-detail-content .modal-nav-btn {
  width: 40px; height: 40px; border-radius: 50%;
  background: #F0F4F0; border: 1px solid #DDE2DD;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; font-size: 1rem; color: #555; transition: all .25s;
}
.case-detail-content .modal-nav-btn:hover { background: #0A2818; color: #fff; border-color: #0A2818; }
.case-detail-content .modal-footer {
  padding: 28px 48px; background: #FAFAF7;
  border-top: 1px solid #DDE2DD;
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; border-radius: 0 0 16px 16px;
}

/* 移动端适配 */
@media (max-width: 768px) {
  .case-detail-hero h1 { font-size: 1.5rem; }
  .offer-badge { font-size: .82rem; padding: 8px 14px; }
  .case-detail-container { padding: 0 16px; }
  .case-detail-content .modal-body { padding: 24px 20px; }
  .case-detail-content .modal-stats { grid-template-columns: repeat(3,1fr); gap: 8px; }
  .case-detail-content .modal-header { padding: 36px 24px 32px; }
  .case-detail-content .modal-footer { flex-direction: column; text-align: center; padding: 20px 24px; }
  .case-detail-content .modal-nav { display: none; }
}
/* ====== 申请方向 ====== */
.dest-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.dest-card.main {
  grid-column: span 2;
  min-height: 280px;
}

.dest-card:not(.main) {
  min-height: 140px;
}
/* 5 card background colors */
.dest-card:not(.main):nth-child(2) { background: #DEEDE0; }
.dest-card:not(.main):nth-child(3) { background: #E4ECF2; }
.dest-card:not(.main):nth-child(4) { background: #F2EBE1; }
.dest-card:not(.main):nth-child(5) { background: #F2E6EC; }
.dest-card:not(.main):nth-child(6) { background: #E8F0E8; }

.dest-card.main {
  background: linear-gradient(135deg, #0A2818 0%, #1B4332 100%);
  color: #fff;
}
.dest-card:not(.main) {
  padding: 24px 20px;
}
.dest-card {
  position: relative;
  border-radius: 14px;
  padding: 32px 28px;
  background: #fff;
  box-shadow: 0 2px 10px rgba(0,0,0,0.06);
  transition: transform 0.3s cubic-bezier(0.34,1.56,0.64,1), box-shadow 0.3s ease;
  overflow: hidden;
}
.dest-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.1);
}

.dest-card.main .dest-name { color: #fff; }
.dest-card.main .dest-sub { color: rgba(255,255,255,0.7); }
.dest-card.main .dest-count { color: #4ADE80; font-size: 2.6rem; }
.dest-card.main .dest-count small { color: rgba(255,255,255,0.7); font-weight: 500; font-size: 0.45em; }
.dest-card:not(.main) .dest-count small { color: var(--text-secondary); font-size: 0.5em; }
..dest-card.main .dest-tag {
  background: rgba(255,255,255,0.15);
  color: rgba(255,255,255,0.9);
}

.dest-flag {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 48px;
  height: 36px;
  border-radius: 4px;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}

.dest-flag img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.dest-abbr {
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary);
  margin-right: 12px;
  letter-spacing: 0.5px;
  vertical-align: middle;
  line-height: 1;
}
.dest-card.main .dest-abbr {
  color: rgba(255,255,255,0.85);
}
.dest-detail {
  padding: 8px 0 0;
  font-size: 0.84em;
  line-height: 1.8;
  text-align: left;
}
.dest-detail-row {
  display: flex;
  align-items: baseline;
  gap: 8px;
}
.dest-detail-label {
  color: rgba(255,255,255,0.55);
  white-space: nowrap;
  font-weight: 500;
  min-width: 60px;
}
.dest-detail-text {
  color: rgba(255,255,255,0.8);
}
/* 4色卡片循环 */

.dest-name {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 6px;
}
.dest-sub {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 20px;
}
.dest-count {
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary);
  line-height: 1;
  margin-bottom: 16px;
}

.dest-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.dest-tag {
  font-size: 0.75rem;
  padding: 4px 12px;
  border-radius: 100px;
  background: var(--secondary);
  color: var(--primary);
  font-weight: 500;
}

/* 响应式 */
@media (max-width: 768px) {
  .dest-grid {
    grid-template-columns: 1fr;
  }

  .dest-card.main {
    grid-column: auto;
  }

  .dest-card:not(.main) {
    padding: 32px 28px;
  }
}

.nav-logo-img {
  width: 42px;
  height: 42px;
  border-radius: 8px;
  object-fit: contain;
  flex-shrink: 0;
}

/* 联系页面右侧：二维码左右并列 */

/* 浮窗：二维码上下排列 */
/* ===== 移动端汉堡侧滑导航面板 ===== */
.mobile-nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  z-index: 9998;
  opacity: 0;
  transition: opacity 0.3s;
}
.mobile-nav-overlay.show {
  display: block;
  opacity: 1;
}
.mobile-nav-panel {
  position: fixed;
  top: 0;
  right: -280px;
  width: 280px;
  height: 100%;
  background: #fff;
  z-index: 9999;
  transition: right 0.3s ease;
  display: flex;
  flex-direction: column;
  box-shadow: -4px 0 24px rgba(0,0,0,0.12);
}
.mobile-nav-panel.open {
  right: 0;
}
.mobile-nav-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid #eee;
}
.mobile-nav-header .logo-text {
  font-family: "Playfair Display", Georgia, "Times New Roman", serif;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary);
}
.nav-close {
  width: 32px;
  height: 32px;
  border: none;
  background: #f5f5f5;
  border-radius: 8px;
  font-size: 1.2rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}
.mobile-nav-links {
  flex: 1;
  padding: 12px 20px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.mobile-nav-links a {
  display: block;
  padding: 12px 4px;
  text-decoration: none;
  color: var(--text-primary);
  font-size: 1.05rem;
  font-weight: 500;
  border-bottom: 1px solid #f0f0f0;
  transition: color 0.2s;
}
.mobile-nav-links a:hover {
  color: var(--primary);
}

/* ===== 768px 移动端 ===== */
@media (max-width: 768px) {
  .mobile-nav-overlay {
    display: none;
  }
  .mobile-nav-overlay.show {
    display: block;
  }
}

/* ===== 480px 小屏手机 ===== */
@media (max-width: 480px) {
  .mobile-nav-panel {
    width: 100%;
    right: -100%;
  }
  .mobile-nav-links {
    gap: 0;
  }
  .mobile-nav-links a {
    font-size: 1rem;
    padding: 10px 4px;
  }
}

/* ===== 表单嵌入样式 ===== */
.form-embed-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 20px;
  text-align: center;
}
.form-embed-content {
  max-width: 480px;
  width: 100%;
}
.form-embed-tip {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 20px;
}
.form-submit-btn {
  display: inline-block;
  padding: 14px 40px;
  background: var(--primary);
  color: #fff;
  border-radius: 10px;
  text-decoration: none;
  font-size: 1rem;
  font-weight: 600;
  transition: background 0.2s, transform 0.2s;
}
.form-submit-btn:hover {
  background: var(--primary-dark, #2D6A4F);
  transform: translateY(-2px);
}
.form-embed-note {
  font-size: 0.85rem;
  color: #999;
  margin-top: 14px;
}

/* ===== 联系浮窗 ===== */
.contact-float-btn {
  width: 56px;
  height: 56px;
  border: none;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  font-size: 24px;
  cursor: pointer;
  position: fixed;
  bottom: 32px;
  right: 32px;
  z-index: 1000;
  box-shadow: 0 4px 20px rgba(27,67,50,0.25);
  transition: transform 0.2s;
}
.contact-float-btn:hover {
  transform: scale(1.1);
}
.contact-panel {
  display: none;
  position: fixed;
  bottom: 100px;
  right: 32px;
  width: 280px;
  background: #fff;
  border-radius: 16px;
  box-shadow: 0 8px 40px rgba(0,0,0,0.15);
  z-index: 1001;
  padding: 24px;
}
.contact-panel.active {
  display: block;
}
.contact-panel h4 {
  font-size: 16px;
  font-weight: 600;
  margin: 0 0 16px 0;
  color: var(--primary);
}
.contact-panel p {
  font-size: 14px;
  color: var(--text-secondary);
  margin: 0 0 8px 0;
  line-height: 1.5;
}

/* Breadcrumb */
.breadcrumb-bar { background: #F0F4F0; padding: 12px 0; font-size: 14px; }
.breadcrumb-bar a { color: var(--primary); text-decoration: none; }
.breadcrumb-bar a:hover { text-decoration: underline; }
@media (max-width: 768px) {
  .breadcrumb-bar { font-size: 12px; padding: 8px 0; }
}

/* Feature bullet list */
.feature-list {
  list-style: none;
  padding: 0;
  margin: 0;
  text-align: left;
}
.feature-list li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 8px;
  color: var(--text-secondary);
  line-height: 1.7;
}
.feature-list li::before {
  content: "•";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
  font-size: 1.1em;
}

/* Hero subtitle lines - green highlight */
.hero-subtitle .highlight {
  color: #4ADE80;
  font-weight: 600;
}
/* ICP 备案信息 */
.footer-bottom .footer-icp { margin-top: 8px; }
.footer-bottom .footer-icp a { color: rgba(255,255,255,0.5); text-decoration: none; transition: color .2s; }
.footer-bottom .footer-icp a:hover { color: rgba(255,255,255,0.85); text-decoration: underline; }