/* ========================================
   文明校园展示网站 - 全局样式
   ======================================== */

:root {
  --primary: #1a5276;
  --primary-light: #2e86c1;
  --accent: #e74c3c;
  --gold: #d4ac0d;
  --bg-light: #f5f8fa;
  --bg-white: #ffffff;
  --text-dark: #1a252f;
  --text-mid: #4a4a4a;
  --text-light: #7f8c8d;
  --border: #dde6ed;
  --shadow: 0 2px 12px rgba(26,82,118,0.10);
  --shadow-hover: 0 6px 24px rgba(26,82,118,0.18);
  --radius: 8px;
  --transition: all 0.28s ease;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: "Microsoft YaHei", "PingFang SC", "Helvetica Neue", Arial, sans-serif;
  font-size: 15px;
  color: var(--text-dark);
  background: var(--bg-light);
  line-height: 1.75;
}

a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
ul, ol { list-style: none; }

/* ---- 顶部导航 ---- */
.site-header {
  background: linear-gradient(135deg, #0d2e4a 0%, #1a5276 60%, #2e86c1 100%);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 16px rgba(0,0,0,0.22);
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

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

.logo-icon {
  width: 44px;
  height: 44px;
  background: rgba(255,255,255,0.15);
  border: 2px solid rgba(255,255,255,0.3);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: #fff;
  flex-shrink: 0;
}

.logo-text {
  color: #fff;
}

.logo-text .school-name {
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 1px;
}

.logo-text .site-subtitle {
  font-size: 12px;
  opacity: 0.78;
  letter-spacing: 2px;
}

.main-nav {
  display: flex;
  gap: 4px;
}

.main-nav a {
  color: rgba(255,255,255,0.85);
  padding: 8px 18px;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 500;
  transition: var(--transition);
  letter-spacing: 0.5px;
}

.main-nav a:hover,
.main-nav a.active {
  background: rgba(255,255,255,0.18);
  color: #fff;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: var(--transition);
}

/* ---- Hero / 轮播 ---- */
.hero {
  position: relative;
  overflow: hidden;
  height: 480px;
  background: #0d2e4a;
}

.hero-slides {
  display: flex;
  height: 100%;
  transition: transform 0.7s cubic-bezier(0.4,0,0.2,1);
}

.hero-slide {
  min-width: 100%;
  height: 100%;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-slide-bg {
  position: absolute;
  inset: 0;
  object-fit: cover;
  width: 100%;
  height: 100%;
  opacity: 0.45;
}

/* SVG占位背景 */
.hero-slide:nth-child(1) { background: linear-gradient(135deg, #0d2e4a, #1a5276); }
.hero-slide:nth-child(2) { background: linear-gradient(135deg, #145a32, #1e8449); }
.hero-slide:nth-child(3) { background: linear-gradient(135deg, #4a235a, #7d3c98); }

.hero-content {
  position: relative;
  text-align: center;
  color: #fff;
  padding: 0 24px;
  max-width: 760px;
}

.hero-tag {
  display: inline-block;
  background: rgba(255,255,255,0.15);
  border: 1px solid rgba(255,255,255,0.35);
  color: rgba(255,255,255,0.9);
  font-size: 12px;
  padding: 4px 14px;
  border-radius: 20px;
  letter-spacing: 2px;
  margin-bottom: 16px;
}

.hero-content h2 {
  font-size: 36px;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 12px;
  text-shadow: 0 2px 12px rgba(0,0,0,0.3);
}

.hero-content p {
  font-size: 16px;
  opacity: 0.88;
  line-height: 1.8;
}

.hero-controls {
  position: absolute;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
  z-index: 10;
}

.hero-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255,255,255,0.45);
  cursor: pointer;
  transition: var(--transition);
  border: none;
}

.hero-dot.active {
  background: #fff;
  width: 28px;
  border-radius: 5px;
}

.hero-prev, .hero-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255,255,255,0.18);
  border: 1px solid rgba(255,255,255,0.3);
  color: #fff;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  z-index: 10;
}

.hero-prev { left: 20px; }
.hero-next { right: 20px; }
.hero-prev:hover, .hero-next:hover { background: rgba(255,255,255,0.35); }

/* ---- 页面主体通用 ---- */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---- 首页栏目快速入口 ---- */
.quick-nav {
  background: var(--bg-white);
  padding: 32px 0;
  border-bottom: 1px solid var(--border);
}

.quick-nav-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}

.quick-nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 22px 12px;
  background: var(--bg-light);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
}

.quick-nav-item:hover {
  border-color: var(--primary-light);
  background: #e8f4fd;
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}

.quick-nav-icon {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
}

.qni-1 { background: #d6eaf8; }
.qni-2 { background: #d5f5e3; }
.qni-3 { background: #fdebd0; }
.qni-4 { background: #e8daef; }
.qni-5 { background: #fce4e4; }

.quick-nav-item span {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-dark);
  letter-spacing: 0.5px;
}

/* ---- 首页内容区 ---- */
.home-main {
  padding: 40px 0;
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.section-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 700;
  color: var(--primary);
}

.section-title::before {
  content: '';
  display: block;
  width: 4px;
  height: 22px;
  background: linear-gradient(180deg, var(--primary), var(--primary-light));
  border-radius: 2px;
}

.section-more {
  font-size: 13px;
  color: var(--primary-light);
  cursor: pointer;
  transition: var(--transition);
}

.section-more:hover { color: var(--accent); }

/* 两列布局 */
.home-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  margin-bottom: 40px;
}

/* 新闻列表 */
.news-list {
  background: var(--bg-white);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
}

.news-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  transition: var(--transition);
}

.news-item:last-child { border-bottom: none; }
.news-item:hover .news-title { color: var(--primary-light); }

.news-date {
  flex-shrink: 0;
  width: 52px;
  text-align: center;
  background: var(--bg-light);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 6px 4px;
}

.news-date .day {
  font-size: 22px;
  font-weight: 700;
  color: var(--primary);
  line-height: 1;
  display: block;
}

.news-date .month {
  font-size: 11px;
  color: var(--text-light);
  display: block;
}

.news-info { flex: 1; min-width: 0; }

.news-title {
  font-size: 14px;
  font-weight: 500;
  line-height: 1.5;
  color: var(--text-dark);
  transition: var(--transition);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-category {
  display: inline-block;
  font-size: 11px;
  color: var(--primary-light);
  background: #e8f4fd;
  padding: 2px 8px;
  border-radius: 10px;
  margin-top: 6px;
}

/* 图片网格 */
.photo-grid {
  background: var(--bg-white);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
}

.photo-grid-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 160px 160px;
  gap: 10px;
}

.photo-card {
  border-radius: 6px;
  overflow: hidden;
  position: relative;
  cursor: pointer;
}

.photo-card:first-child {
  grid-row: span 2;
}

.photo-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 13px;
  color: rgba(255,255,255,0.85);
  font-weight: 500;
}

.photo-placeholder svg {
  width: 32px;
  height: 32px;
  opacity: 0.7;
}

.pc-1 { background: linear-gradient(135deg, #1a5276, #2e86c1); }
.pc-2 { background: linear-gradient(135deg, #145a32, #1e8449); }
.pc-3 { background: linear-gradient(135deg, #7b241c, #c0392b); }
.pc-4 { background: linear-gradient(135deg, #4a235a, #7d3c98); }

.photo-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(transparent, rgba(0,0,0,0.6));
  color: #fff;
  padding: 8px 10px 10px;
  font-size: 12px;
  font-weight: 500;
}

/* ---- 统计数字 ---- */
.stats-bar {
  background: linear-gradient(135deg, #0d2e4a, #1a5276);
  padding: 32px 0;
  margin-bottom: 40px;
}

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

.stat-item {
  text-align: center;
  color: #fff;
  padding: 16px;
  border-right: 1px solid rgba(255,255,255,0.12);
}

.stat-item:last-child { border-right: none; }

.stat-number {
  font-size: 40px;
  font-weight: 700;
  color: #fff;
  line-height: 1;
  margin-bottom: 6px;
}

.stat-number span {
  font-size: 18px;
  color: rgba(255,255,255,0.65);
}

.stat-label {
  font-size: 13px;
  color: rgba(255,255,255,0.7);
  letter-spacing: 1px;
}

/* ---- 全宽特色展示 ---- */
.feature-section {
  background: var(--bg-white);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow);
  margin-bottom: 40px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.feature-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
  transition: var(--transition);
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: var(--primary-light);
}

.feature-card-img {
  height: 160px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 38px;
}

.fci-1 { background: linear-gradient(135deg, #d6eaf8, #aed6f1); }
.fci-2 { background: linear-gradient(135deg, #d5f5e3, #a9dfbf); }
.fci-3 { background: linear-gradient(135deg, #fdebd0, #fad7a0); }

.feature-card-body {
  padding: 16px;
}

.feature-card-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 6px;
}

.feature-card-desc {
  font-size: 13px;
  color: var(--text-mid);
  line-height: 1.65;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ---- 页脚 ---- */
.site-footer {
  background: #0d2e4a;
  color: rgba(255,255,255,0.65);
  padding: 32px 0 20px;
  margin-top: 20px;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 32px;
  padding-bottom: 24px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-brand h3 {
  color: #fff;
  font-size: 16px;
  margin-bottom: 10px;
}

.footer-brand p {
  font-size: 13px;
  line-height: 1.8;
}

.footer-col h4 {
  color: rgba(255,255,255,0.85);
  font-size: 14px;
  margin-bottom: 12px;
}

.footer-col ul li {
  font-size: 13px;
  margin-bottom: 6px;
  cursor: pointer;
  transition: var(--transition);
}

.footer-col ul li:hover { color: rgba(255,255,255,0.9); }

.footer-bottom {
  max-width: 1200px;
  margin: 16px auto 0;
  padding: 0 24px;
  text-align: center;
  font-size: 12px;
  color: rgba(255,255,255,0.4);
}

/* ---- 子页面通用 ---- */
.page-banner {
  background: linear-gradient(135deg, #0d2e4a, #1a5276);
  padding: 48px 0 40px;
  text-align: center;
  color: #fff;
}

.page-banner h1 {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 8px;
}

.page-banner p {
  font-size: 14px;
  opacity: 0.75;
  letter-spacing: 1px;
}

.breadcrumb {
  background: var(--bg-white);
  border-bottom: 1px solid var(--border);
  padding: 10px 0;
}

.breadcrumb-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  font-size: 13px;
  color: var(--text-light);
}

.breadcrumb-inner a {
  color: var(--primary-light);
}

.breadcrumb-inner a:hover { text-decoration: underline; }

.page-content {
  max-width: 1200px;
  margin: 36px auto;
  padding: 0 24px;
}

/* 卡片 */
.card {
  background: var(--bg-white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 28px;
  margin-bottom: 24px;
}

.card-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--primary);
  border-bottom: 2px solid var(--border);
  padding-bottom: 12px;
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.card-title .icon {
  width: 32px;
  height: 32px;
  background: #e8f4fd;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
}

/* 带图片的介绍卡 */
.intro-card {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 24px;
  background: var(--bg-white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  margin-bottom: 24px;
}

.intro-card-img {
  height: 220px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 48px;
  background: linear-gradient(135deg, #1a5276, #2e86c1);
}

.intro-card-body {
  padding: 24px 24px 24px 0;
}

.intro-card-body h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 12px;
}

.intro-card-body p {
  font-size: 14px;
  color: var(--text-mid);
  line-height: 1.85;
}

/* 新闻详情列表 */
.news-full-list .news-full-item {
  display: flex;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  transition: var(--transition);
}

.news-full-item:hover { background: var(--bg-light); margin: 0 -12px; padding: 16px 12px; border-radius: 6px; }

.news-full-item .thumb {
  width: 100px;
  height: 68px;
  border-radius: 6px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
}

.thumb-1 { background: linear-gradient(135deg, #d6eaf8, #85c1e9); }
.thumb-2 { background: linear-gradient(135deg, #d5f5e3, #82e0aa); }
.thumb-3 { background: linear-gradient(135deg, #fdebd0, #f8c471); }
.thumb-4 { background: linear-gradient(135deg, #e8daef, #c39bd3); }
.thumb-5 { background: linear-gradient(135deg, #fce4e4, #f1948a); }

.news-full-item .meta {
  flex: 1;
}

.news-full-item .meta h4 {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 6px;
  transition: var(--transition);
}

.news-full-item:hover .meta h4 { color: var(--primary-light); }

.news-full-item .meta p {
  font-size: 13px;
  color: var(--text-light);
  line-height: 1.65;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-full-item .meta .info {
  margin-top: 8px;
  font-size: 12px;
  color: var(--text-light);
  display: flex;
  gap: 12px;
}

.news-full-item .meta .info span {
  display: flex;
  align-items: center;
  gap: 4px;
}

/* 图文网格 */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.gallery-item {
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.gallery-item:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
}

.gallery-img {
  height: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 40px;
}

.gi-1 { background: linear-gradient(135deg, #1a5276, #2e86c1); }
.gi-2 { background: linear-gradient(135deg, #145a32, #1e8449); }
.gi-3 { background: linear-gradient(135deg, #7b241c, #c0392b); }
.gi-4 { background: linear-gradient(135deg, #4a235a, #7d3c98); }
.gi-5 { background: linear-gradient(135deg, #784212, #d68910); }
.gi-6 { background: linear-gradient(135deg, #0e6655, #1abc9c); }

.gallery-caption {
  background: var(--bg-white);
  padding: 10px 12px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-dark);
}

/* 荣誉奖项 */
.award-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.award-item {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  text-align: center;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.award-item:hover {
  border-color: var(--gold);
  box-shadow: 0 4px 20px rgba(212,172,13,0.18);
  transform: translateY(-2px);
}

.award-icon {
  font-size: 32px;
  margin-bottom: 10px;
}

.award-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 4px;
}

.award-year {
  font-size: 12px;
  color: var(--text-light);
}

/* 活动时间线 */
.timeline {
  position: relative;
  padding-left: 32px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 10px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(180deg, var(--primary), var(--primary-light), #dde6ed);
}

.timeline-item {
  position: relative;
  margin-bottom: 24px;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -26px;
  top: 6px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--primary);
  border: 2px solid var(--bg-white);
  box-shadow: 0 0 0 2px var(--primary-light);
}

.timeline-date {
  font-size: 12px;
  color: var(--primary-light);
  font-weight: 600;
  margin-bottom: 4px;
}

.timeline-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 6px;
}

.timeline-desc {
  font-size: 13px;
  color: var(--text-mid);
  line-height: 1.7;
}

/* 标签 */
.tag {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 500;
  margin: 3px;
}

.tag-blue { background: #d6eaf8; color: #1a5276; }
.tag-green { background: #d5f5e3; color: #145a32; }
.tag-orange { background: #fdebd0; color: #784212; }
.tag-purple { background: #e8daef; color: #4a235a; }
.tag-red { background: #fce4e4; color: #7b241c; }

/* 两列内容 */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

/* ---- 按钮 ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 22px;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  border: none;
}

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

.btn-primary:hover { background: var(--primary-light); }

.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 1px solid var(--primary);
}

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

/* ---- 响应式 ---- */
@media (max-width: 900px) {
  .quick-nav-grid { grid-template-columns: repeat(5, 1fr); gap: 8px; }
  .quick-nav-item { padding: 14px 8px; }
  .quick-nav-icon { width: 40px; height: 40px; font-size: 18px; }
  .home-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .feature-grid { grid-template-columns: 1fr 1fr; }
  .gallery-grid { grid-template-columns: 1fr 1fr; }
  .award-grid { grid-template-columns: repeat(2, 1fr); }
  .two-col { grid-template-columns: 1fr; }
  .intro-card { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; gap: 20px; }
  .hero { height: 360px; }
  .hero-content h2 { font-size: 26px; }
}

/* ---- 首页成果展示轮播 ---- */
.ach-carousel {
  position: relative;
  overflow: hidden;
  border-radius: 8px;
  width: 400px;
  height: 300px;
  background: #0d2e4a;
  margin: 0 auto;
}

.ach-caption {
  text-align: center;
  font-size: 15px;
  color: #1a3a6e;
  font-weight: 600;
  padding: 10px 0 4px;
  letter-spacing: 1px;
}

.ach-slides {
  display: flex;
  height: 100%;
  transition: transform 0.6s cubic-bezier(0.4,0,0.2,1);
}

.ach-slide {
  min-width: 100%;
  height: 100%;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.ach-photo-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 72px;
  color: rgba(255,255,255,0.9);
}

.ach-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(transparent, rgba(0,0,0,0.65));
  color: #fff;
  padding: 14px 16px 16px;
  font-size: 14px;
  font-weight: 600;
}

.ach-prev, .ach-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255,255,255,0.18);
  border: 1px solid rgba(255,255,255,0.3);
  color: #fff;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
  z-index: 10;
}

.ach-prev { left: 12px; }
.ach-next { right: 12px; }
.ach-prev:hover, .ach-next:hover { background: rgba(255,255,255,0.35); }

.ach-dots {
  position: absolute;
  bottom: 12px;
  right: 16px;
  display: flex;
  gap: 8px;
  z-index: 10;
}

.ach-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255,255,255,0.45);
  cursor: pointer;
  transition: all 0.3s ease;
  border: none;
}

.ach-dot.active {
  background: #fff;
  width: 22px;
  border-radius: 4px;
}

/* ---- 校园文化长廊3图轮播 ---- */
.wl-carousel {
  position: relative;
  overflow: hidden;
  border-radius: 8px;
  height: 240px;
  background: #0d2e4a;
  margin-top: 16px;
}

.wl-slides {
  display: flex;
  height: 100%;
  transition: transform 0.6s cubic-bezier(0.4,0,0.2,1);
}

.wl-slide {
  min-width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 60px;
}

.wl-prev, .wl-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255,255,255,0.18);
  border: 1px solid rgba(255,255,255,0.3);
  color: #fff;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
  z-index: 10;
}

.wl-prev { left: 12px; }
.wl-next { right: 12px; }
.wl-prev:hover, .wl-next:hover { background: rgba(255,255,255,0.35); }

.wl-dots {
  position: absolute;
  bottom: 12px;
  right: 16px;
  display: flex;
  gap: 8px;
  z-index: 10;
}

.wl-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255,255,255,0.45);
  cursor: pointer;
  transition: all 0.3s ease;
  border: none;
}

.wl-dot.active {
  background: #fff;
  width: 22px;
  border-radius: 4px;
}

@media (max-width: 680px) {
  .nav-toggle { display: flex; }
  .main-nav {
    display: none;
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    background: #0d2e4a;
    flex-direction: column;
    padding: 16px;
    gap: 4px;
  }
  .main-nav.open { display: flex; }
  .main-nav a { padding: 12px 16px; }
  .header-inner { position: relative; }
  .quick-nav-grid { grid-template-columns: repeat(3, 1fr); }
  .feature-grid { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: 1fr 1fr; }
  .award-grid { grid-template-columns: repeat(2, 1fr); }
  .hero { height: 280px; }
  .hero-content h2 { font-size: 20px; }
  .hero-prev, .hero-next { display: none; }
  .ach-carousel { width: 100%; height: auto; aspect-ratio: 4/3; }
  .ach-prev, .ach-next { display: none; }
  .wl-carousel { height: 200px; }
  .wl-prev, .wl-next { display: none; }
}