/* 三全教育集团官网 - 主样式表 */
:root {
  --primary: #393db5;
  --primary-light: #5a5fd6;
  --primary-dark: #2a2e8f;
  --accent: #ff6b35;
  --text: #333;
  --text-light: #666;
  --bg: #f8f9fa;
  --white: #fff;
  --shadow: 0 10px 40px rgba(57, 61, 181, 0.12);
  --shadow-hover: 0 20px 60px rgba(57, 61, 181, 0.2);
  --radius: 16px;
  --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Microsoft YaHei', 'PingFang SC', 'Hiragino Sans GB', sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  overflow-x: hidden;
}

a {
  text-decoration: none;
  color: inherit;
}

ul {
  list-style: none;
}

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

.container {
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 20px;
}

.section {
  padding: 60px 0;
}

.section-title {
  text-align: center;
  margin-bottom: 60px;
}

.section-title h2 {
  font-size: 2.8rem;
  color: var(--text);
  margin-bottom: 16px;
  font-weight: 700;
}

.section-title h2 span {
  color: var(--primary);
}

.section-title p {
  font-size: 1.1rem;
  color: var(--text-light);
  max-width: 600px;
  margin: 0 auto;
}

.section-title .line {
  width: 80px;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--primary-light));
  margin: 20px auto 0;
  border-radius: 2px;
}

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 50px;
  font-size: 1rem;
  font-weight: 600;
  transition: var(--transition);
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: var(--white);
  box-shadow: 0 8px 25px rgba(57, 61, 181, 0.3);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 35px rgba(57, 61, 181, 0.4);
}

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

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

/* 头部 */
.header {
  background: var(--white);
  box-shadow: 0 2px 20px rgba(0,0,0,0.06);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.header-top {
  background: linear-gradient(90deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: var(--white);
  padding: 10px 0;
}

.header-top .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.9rem;
}

.header-top .hotline {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
}

.header-top .hotline i {
  font-size: 1.1rem;
}

.header-top .slogan {
  opacity: 0.9;
}

.header-main {
  padding: 15px 0;
}

.header-main .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
}

.logo img {
  height: 60px;
  width: auto;
  transition: var(--transition);
}

.logo img:hover {
  transform: scale(1.02);
}

/* 导航 */
.nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav > li {
  position: relative;
}

.nav > li > a {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 12px 20px;
  font-size: 1rem;
  font-weight: 500;
  color: var(--text);
  border-radius: 8px;
  transition: var(--transition);
}

.nav > li > a:hover,
.nav > li > a.active {
  color: var(--primary);
  background: rgba(57, 61, 181, 0.06);
}

.nav > li > a i {
  font-size: 0.75rem;
  transition: transform 0.3s;
}

.nav > li:hover > a i {
  transform: rotate(180deg);
}

.dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 200px;
  background: var(--white);
  border-radius: 12px;
  box-shadow: var(--shadow-hover);
  padding: 12px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: var(--transition);
  z-index: 1001;
}

.nav > li:hover .dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown a {
  display: block;
  padding: 10px 16px;
  border-radius: 8px;
  color: var(--text);
  font-size: 0.95rem;
  transition: var(--transition);
}

.dropdown a:hover {
  background: linear-gradient(135deg, rgba(57,61,181,0.08) 0%, rgba(90,95,214,0.08) 100%);
  color: var(--primary);
  padding-left: 22px;
}

.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 10px;
  cursor: pointer;
  background: none;
  border: none;
}

.mobile-menu-btn span {
  width: 25px;
  height: 2px;
  background: var(--primary);
  transition: var(--transition);
}

/* 轮播图 */
.banner {
  position: relative;
  height: 800px;
  overflow: hidden;
}

.banner-slider {
  position: relative;
  height: 100%;
}

.banner-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.8s ease, visibility 0.8s ease;
}

.banner-slide.active {
  opacity: 1;
  visibility: visible;
}

.banner-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.banner-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, rgba(57, 61, 181, 0.85) 0%, rgba(57, 61, 181, 0.4) 60%, transparent 100%);
}

.banner-content {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 100%;
  max-width: 1400px;
  padding: 0 20px;
  z-index: 2;
  color: var(--white);
}

.banner-content-inner {
  max-width: 700px;
}

.banner-content h2 {
  font-size: 3.5rem;
  font-weight: 700;
  margin-bottom: 20px;
  line-height: 1.2;
  opacity: 0;
  transform: translateY(30px);
}

.banner-content p {
  font-size: 1.3rem;
  margin-bottom: 35px;
  opacity: 0.95;
  opacity: 0;
  transform: translateY(30px);
}

.banner-content .btn {
  opacity: 0;
  transform: translateY(30px);
}

.banner-slide.active .banner-content h2,
.banner-slide.active .banner-content p,
.banner-slide.active .banner-content .btn {
  animation: fadeInUp 0.8s ease forwards;
}

.banner-slide.active .banner-content p {
  animation-delay: 0.2s;
}

.banner-slide.active .banner-content .btn {
  animation-delay: 0.4s;
}

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

.banner-dots {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 12px;
  z-index: 10;
}

.banner-dots .dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: rgba(255,255,255,0.4);
  cursor: pointer;
  transition: var(--transition);
  border: 2px solid transparent;
}

.banner-dots .dot.active {
  background: var(--white);
  transform: scale(1.2);
  border-color: var(--primary);
}

.banner-arrows {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 100%;
  display: flex;
  justify-content: space-between;
  padding: 0 30px;
  z-index: 10;
  pointer-events: none;
}

.banner-arrows button {
  width: 55px;
  height: 55px;
  border-radius: 50%;
  background: rgba(255,255,255,0.15);
  border: 1px solid rgba(255,255,255,0.3);
  color: var(--white);
  font-size: 1.2rem;
  cursor: pointer;
  pointer-events: auto;
  transition: var(--transition);
  backdrop-filter: blur(10px);
}

.banner-arrows button:hover {
  background: var(--primary);
  border-color: var(--primary);
  transform: scale(1.1);
}

/* 集团优势 */
.advantages {
  background: var(--white);
  padding: 90px 0;
}

.advantages-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
}

.advantage-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 40px 30px;
  text-align: center;
  box-shadow: var(--shadow);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(57,61,181,0.08);
}

.advantage-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--primary-light));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s;
}

.advantage-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-hover);
}

.advantage-card:hover::before {
  transform: scaleX(1);
}

.advantage-card .icon {
  width: 90px;
  height: 90px;
  margin: 0 auto 24px;
  background: linear-gradient(135deg, rgba(57,61,181,0.1) 0%, rgba(90,95,214,0.1) 100%);
  border-radius: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  color: var(--primary);
  transition: var(--transition);
}

.advantage-card:hover .icon {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: var(--white);
  transform: rotateY(360deg);
}

.advantage-card h3 {
  font-size: 1.4rem;
  margin-bottom: 12px;
  color: var(--text);
}

.advantage-card h3 span {
  display: block;
  font-size: 2rem;
  color: var(--primary);
  margin-bottom: 5px;
}

.advantage-card p {
  color: var(--text-light);
  font-size: 0.95rem;
}

/* 集团介绍 */
.about {
  background: linear-gradient(180deg, var(--bg) 0%, var(--white) 100%);
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-text {
  padding-right: 30px;
}

.about-text h3 {
  font-size: 2rem;
  margin-bottom: 20px;
  color: var(--text);
}

.about-text h3 span {
  color: var(--primary);
}

.about-text p {
  color: var(--text-light);
  margin-bottom: 16px;
  font-size: 1.05rem;
  line-height: 1.8;
  text-align: justify;
}

.about-video {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-hover);
}

.about-video video {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: var(--radius);
  display: block;
  background: #000;
}

.about-video::after {
  content: '';
  position: absolute;
  top: -10px;
  right: -10px;
  width: 100px;
  height: 100px;
  border: 4px solid var(--primary);
  border-radius: 16px;
  z-index: -1;
}

/* 课程体系 */
.courses {
  background: var(--white);
}

.courses-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 40px;
}

.course-card {
  background: linear-gradient(135deg, #f8f9ff 0%, #ffffff 100%);
  border-radius: var(--radius);
  padding: 50px;
  border: 1px solid rgba(57,61,181,0.1);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

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

.course-card .tag {
  display: inline-block;
  padding: 6px 18px;
  background: var(--primary);
  color: var(--white);
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 24px;
}

.course-card h3 {
  font-size: 1.8rem;
  margin-bottom: 20px;
  color: var(--text);
}

.course-card p {
  color: var(--text-light);
  line-height: 1.8;
  margin-bottom: 16px;
}

.course-card ul {
  margin-top: 20px;
}

.course-card ul li {
  padding: 10px 0;
  padding-left: 28px;
  position: relative;
  color: var(--text);
  border-bottom: 1px dashed rgba(57,61,181,0.1);
}

.course-card ul li:last-child {
  border-bottom: none;
}

.course-card ul li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--primary);
  font-weight: 700;
}

.course-card .link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--primary);
  font-weight: 600;
  margin-top: 20px;
  transition: var(--transition);
}

.course-card .link:hover {
  gap: 14px;
}

/* 事业部 */
.divisions {
  background: linear-gradient(180deg, var(--white) 0%, var(--bg) 100%);
}

.divisions-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 40px;
}

.division-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
  display: grid;
  grid-template-columns: 1fr 1fr;
}

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

.division-card .image {
  position: relative;
  min-height: 320px;
  overflow: hidden;
}

.division-card .image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s;
}

.division-card:hover .image img {
  transform: scale(1.08);
}

.division-card .content {
  padding: 40px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.division-card .content h3 {
  font-size: 1.6rem;
  margin-bottom: 16px;
  color: var(--primary);
}

.division-card .content p {
  color: var(--text-light);
  line-height: 1.8;
  margin-bottom: 24px;
}

.division-card .content .btn {
  align-self: flex-start;
  padding: 10px 24px;
  font-size: 0.9rem;
}

/* 校园环境 */
.campus {
  background: var(--white);
}

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

.campus-item {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 4/3;
  cursor: pointer;
  box-shadow: var(--shadow);
}

.campus-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s;
}

.campus-item:hover img {
  transform: scale(1.1);
}

.campus-item .overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(57,61,181,0.85) 100%);
  opacity: 0;
  transition: var(--transition);
  display: flex;
  align-items: flex-end;
  padding: 20px;
}

.campus-item:hover .overlay {
  opacity: 1;
}

.campus-item .overlay span {
  color: var(--white);
  font-weight: 600;
  transform: translateY(20px);
  transition: transform 0.4s;
}

.campus-item:hover .overlay span {
  transform: translateY(0);
}

/* 新闻中心 */
.news {
  background: linear-gradient(180deg, var(--bg) 0%, var(--white) 100%);
}

.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.news-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

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

.news-card .image {
  position: relative;
  height: 220px;
  overflow: hidden;
}

.news-card .image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s;
}

.news-card:hover .image img {
  transform: scale(1.08);
}

.news-card .date {
  position: absolute;
  top: 20px;
  left: 20px;
  background: var(--primary);
  color: var(--white);
  padding: 10px 16px;
  border-radius: 10px;
  text-align: center;
  line-height: 1.2;
}

.news-card .date .day {
  font-size: 1.6rem;
  font-weight: 700;
}

.news-card .date .month {
  font-size: 0.8rem;
  opacity: 0.9;
}

.news-card .content {
  padding: 28px;
}

.news-card .content h3 {
  font-size: 1.2rem;
  margin-bottom: 12px;
  color: var(--text);
  line-height: 1.4;
}

.news-card .content p {
  color: var(--text-light);
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 16px;
}

.news-card .content .link {
  color: var(--primary);
  font-weight: 600;
  font-size: 0.9rem;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* 联系我们 */
.contact {
  background: var(--white);
}

.contact-content {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 60px;
  align-items: stretch;
}

.contact-info {
  display: grid;
  gap: 24px;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  padding: 28px;
  background: linear-gradient(135deg, #f8f9ff 0%, #ffffff 100%);
  border-radius: var(--radius);
  border: 1px solid rgba(57,61,181,0.1);
  transition: var(--transition);
}

.contact-item:hover {
  transform: translateX(8px);
  box-shadow: var(--shadow);
}

.contact-item .icon {
  width: 55px;
  height: 55px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 1.3rem;
  flex-shrink: 0;
}

.contact-item h4 {
  font-size: 1.1rem;
  margin-bottom: 6px;
  color: var(--text);
}

.contact-item p {
  color: var(--text-light);
  font-size: 0.95rem;
}

.contact-form {
  background: linear-gradient(135deg, #f8f9ff 0%, #ffffff 100%);
  padding: 40px;
  border-radius: var(--radius);
  border: 1px solid rgba(57,61,181,0.1);
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
}

.contact-form h3 {
  font-size: 1.5rem;
  margin-bottom: 28px;
  color: var(--text);
}

.contact-form form {
  display: flex;
  flex-direction: column;
  flex: 1;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 12px;
}

.form-group {
  margin-bottom: 12px;
}

.form-group label {
  display: block;
  margin-bottom: 6px;
  color: var(--text);
  font-weight: 500;
  font-size: 0.95rem;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 10px 16px;
  border: 1px solid rgba(57,61,181,0.15);
  border-radius: 12px;
  font-size: 1rem;
  transition: var(--transition);
  font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(57,61,181,0.1);
}

.form-group textarea {
  min-height: 50px;
  flex: 1;
  resize: vertical;
}

.form-row-bottom {
  align-items: flex-end;
  margin-bottom: 0;
}

.form-group-code .code-box {
  display: flex;
  gap: 12px;
  align-items: center;
}

.form-group-code .code-box input {
  flex: 1;
  min-width: 0;
}

.form-group-code .code-box img {
  height: 48px;
  border-radius: 8px;
  cursor: pointer;
  border: 1px solid rgba(57,61,181,0.15);
}

.form-group-submit {
  text-align: right;
}

.form-group-submit label {
  visibility: hidden;
}

.form-group-submit .btn {
  width: 100%;
}

/* 友情链接 */
.friend-links {
  background: #f5f5f7;
  padding: 18px 0;
}

.friend-links .container {
  display: flex;
  align-items: center;
  gap: 30px;
}

.friend-title {
  font-size: 1rem;
  color: var(--text);
  font-weight: 600;
  white-space: nowrap;
  flex-shrink: 0;
}

.friend-list {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
}

.friend-list a {
  color: var(--text-light);
  font-size: 0.95rem;
  transition: var(--transition);
}

.friend-list a:hover {
  color: var(--primary);
}

@media (max-width: 768px) {
  .friend-links {
    display: none;
  }
}

/* 底部 */
.footer {
  background: linear-gradient(135deg, #1a1c3d 0%, #2a2e5a 100%);
  color: var(--white);
  padding-top: 80px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 50px;
  padding-bottom: 60px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-brand .logo {
  margin-bottom: 20px;
}

.footer-brand .logo img {
  height: 50px;
}

.footer-brand p {
  opacity: 0.8;
  line-height: 1.8;
  margin-bottom: 20px;
}

.footer-brand .qr {
  width: 120px;
  border-radius: 12px;
}

.footer-links h4,
.footer-contact h4 {
  font-size: 1.2rem;
  margin-bottom: 24px;
  position: relative;
  padding-bottom: 12px;
}

.footer-links h4::after,
.footer-contact h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 40px;
  height: 3px;
  background: var(--primary);
  border-radius: 2px;
}

.footer-links ul li {
  margin-bottom: 12px;
}

.footer-links ul li a {
  opacity: 0.8;
  transition: var(--transition);
}

.footer-links ul li a:hover {
  opacity: 1;
  color: var(--primary-light);
  padding-left: 8px;
}

.footer-contact p {
  opacity: 0.8;
  margin-bottom: 12px;
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.footer-bottom {
  padding: 24px 0;
  text-align: center;
  opacity: 0.7;
  font-size: 0.9rem;
}

/* 内页通用 */
.page-banner {
  position: relative;
  height: 380px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.page-banner img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-banner .overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(57,61,181,0.9) 0%, rgba(42,46,143,0.8) 100%);
}

.page-banner-content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: var(--white);
}

.page-banner-content h1 {
  font-size: 2.8rem;
  margin-bottom: 16px;
}

.breadcrumb {
  background: var(--white);
  border-bottom: 1px solid rgba(57,61,181,0.08);
  padding: 16px 0;
}

.breadcrumb .container {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.95rem;
  color: var(--text-light);
}

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

.breadcrumb .current {
  color: var(--primary);
  font-weight: 500;
}

.page-content {
  padding: 80px 0;
  min-height: 500px;
}

.content-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 60px;
  box-shadow: var(--shadow);
  line-height: 1.9;
}

.content-card h2 {
  font-size: 2rem;
  color: var(--primary);
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 2px solid rgba(57,61,181,0.1);
}

.content-card h3 {
  font-size: 1.4rem;
  color: var(--text);
  margin: 32px 0 16px;
}

.content-card p {
  color: var(--text-light);
  margin-bottom: 16px;
  text-align: justify;
}

.content-card ul {
  margin: 20px 0;
  padding-left: 20px;
}

.content-card ul li {
  color: var(--text-light);
  margin-bottom: 10px;
  position: relative;
  padding-left: 20px;
}

.content-card ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 10px;
  width: 8px;
  height: 8px;
  background: var(--primary);
  border-radius: 50%;
}

/* 图文左右分栏（手机端图片在上） */
.about-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
  margin-bottom: 30px;
  align-items: start;
}

.about-split .about-desc {
  order: 1;
}

.about-split .about-media {
  order: 2;
}

.about-split .about-media img {
  width: 100%;
  border-radius: 16px;
  box-shadow: 0 10px 40px rgba(57,61,181,0.15);
}

@media (max-width: 768px) {
  .about-split {
    grid-template-columns: 1fr;
  }
  .about-split .about-media {
    order: 1;
    margin-bottom: 10px;
  }
  .about-split .about-desc {
    order: 2;
  }
}

/* 图片+内容左右分栏（手机端图片在上） */
.feature-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
  margin: 40px 0;
  align-items: start;
}

.feature-split .feature-media img {
  width: 100%;
  border-radius: 16px;
  box-shadow: 0 10px 40px rgba(57,61,181,0.15);
}

.feature-split .feature-body h3:first-child {
  margin-top: 0;
}

@media (max-width: 768px) {
  .feature-split {
    grid-template-columns: 1fr;
  }
}

/* 教学流程卡片 */
.process-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin: 40px 0;
}

.process-card {
  text-align: center;
  padding: 30px;
  background: #f8f9ff;
  border-radius: 16px;
}

.process-card i {
  font-size: 2.5rem;
  color: #393db5;
  display: block;
  margin-bottom: 15px;
}

.process-card h3 {
  margin-bottom: 10px;
}

.process-card p {
  margin: 0;
  color: #666;
  text-align: center;
}

@media (max-width: 768px) {
  .process-grid {
    grid-template-columns: 1fr;
  }
  .process-card {
    padding: 24px;
  }
}

/* 企业文化价值观卡片 */
.culture-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
  margin: 40px 0;
}

.culture-card {
  padding: 40px;
  border-radius: var(--radius);
  text-align: center;
  color: var(--white);
}

.culture-card:nth-child(1) {
  background: linear-gradient(135deg, #393db5, #5a5fd6);
}

.culture-card:nth-child(2) {
  background: linear-gradient(135deg, #5a5fd6, #393db5);
}

.culture-card i {
  font-size: 3rem;
  margin-bottom: 20px;
  display: block;
}

.culture-card h3 {
  color: var(--white);
  margin: 0 0 15px;
  word-break: keep-all;
}

.culture-card p {
  color: rgba(255,255,255,0.9);
  font-size: 1.2rem;
  margin: 0;
}

@media (max-width: 768px) {
  .culture-grid {
    grid-template-columns: 1fr;
  }
  .culture-card {
    padding: 30px 24px;
  }
  .culture-card i {
    font-size: 2.5rem;
  }
  .culture-card h3 {
    font-size: 1.4rem;
  }
  .culture-card p {
    font-size: 1rem;
  }
}

/* 核心数据指标 */
.stats-wrap {
  margin-top: 40px;
  padding: 30px;
  background: linear-gradient(135deg, rgba(57,61,181,0.08), rgba(90,95,214,0.08));
  border-radius: 16px;
}

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

.stats-grid .number,
.stat-item .number {
  font-size: 2.5rem;
  font-weight: 700;
  color: #393db5;
  white-space: nowrap;
  word-break: keep-all;
  line-height: 1.2;
}

.stats-grid .label,
.stat-item .label {
  margin-top: 8px;
  color: var(--text);
  font-size: 1rem;
}

.stat-card {
  padding: 25px;
  background: #f8f9ff;
  border-radius: 16px;
}

@media (max-width: 992px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .stats-wrap {
    padding: 20px;
  }
  .stats-grid {
    gap: 16px;
  }
  .stats-grid .number,
  .stat-item .number {
    font-size: 2rem;
  }
  .stats-grid .label,
  .stat-item .label {
    font-size: 0.9rem;
  }
  .stat-card {
    padding: 20px;
  }
}

/* 校园环境列表 */
.gallery-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.gallery-item {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 4/3;
  box-shadow: var(--shadow);
  cursor: pointer;
  transition: var(--transition);
}

.gallery-item:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-hover);
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s;
}

.gallery-item:hover img {
  transform: scale(1.1);
}

.gallery-item .title {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 20px;
  background: linear-gradient(180deg, transparent, rgba(57,61,181,0.9));
  color: var(--white);
  font-weight: 600;
}

/* 新闻列表 */
.news-list {
  display: grid;
  gap: 30px;
}

.news-list-item {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 30px;
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.news-list-item:hover {
  transform: translateX(8px);
  box-shadow: var(--shadow-hover);
}

.news-list-item .image {
  height: 220px;
  overflow: hidden;
}

.news-list-item .image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s;
}

.news-list-item:hover .image img {
  transform: scale(1.08);
}

.news-list-item .content {
  padding: 30px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.news-list-item .meta {
  display: flex;
  gap: 20px;
  color: var(--text-light);
  font-size: 0.9rem;
  margin-bottom: 12px;
}

.news-list-item .meta span {
  display: flex;
  align-items: center;
  gap: 6px;
}

.news-list-item h3 {
  font-size: 1.4rem;
  margin-bottom: 12px;
  color: var(--text);
}

.news-list-item p {
  color: var(--text-light);
  line-height: 1.7;
}

.prev-next {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  margin-top: 40px;
  padding-top: 30px;
  border-top: 1px solid rgba(57,61,181,0.1);
  flex-wrap: wrap;
}

.prev-next p {
  margin: 0;
  color: var(--text-light);
  font-size: 0.95rem;
}

.prev-next .prev {
  text-align: left;
}

.prev-next .next {
  text-align: right;
}

.prev-next a {
  color: var(--text);
  transition: var(--transition);
}

.prev-next a:hover {
  color: var(--primary);
}

@media (max-width: 768px) {
  .prev-next {
    flex-direction: column;
    align-items: flex-start;
  }
  .prev-next .next {
    text-align: left;
  }
}

.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 15px;
  margin-top: 50px;
  flex-wrap: wrap;
}

.pagination > span {
  display: flex;
  align-items: center;
}

.pagination a,
.pagination .page-status {
  min-width: 50px;
  height: 50px;
  padding: 0 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: var(--white);
  color: var(--text);
  font-weight: 600;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.pagination a:hover,
.pagination a.page-num-current,
.pagination .page-status:hover {
  background: var(--primary);
  color: var(--white);
}

/* 动画 */
.animate {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

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

/* 返回顶部 */
.back-to-top {
  position: fixed;
  bottom: 40px;
  right: 40px;
  width: 50px;
  height: 50px;
  background: var(--primary);
  color: var(--white);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  z-index: 999;
  box-shadow: 0 8px 25px rgba(57,61,181,0.3);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  transform: translateY(-5px);
  background: var(--primary-light);
}

/* 响应式 */
@media (max-width: 1200px) {
  .banner {
    height: 600px;
  }
  .banner-content h2 {
    font-size: 2.8rem;
  }
  .advantages-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .campus-grid,
  .gallery-list {
    grid-template-columns: repeat(3, 1fr);
  }
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 992px) {
  .section-title h2 {
    font-size: 2.2rem;
  }
  .nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 320px;
    height: 100vh;
    background: var(--white);
    flex-direction: column;
    align-items: stretch;
    padding: 100px 20px 40px;
    gap: 0;
    box-shadow: -10px 0 40px rgba(0,0,0,0.1);
    transition: right 0.4s ease;
    z-index: 1000;
  }
  .nav.open {
    right: 0;
  }
  .nav > li > a {
    padding: 16px;
    border-bottom: 1px solid rgba(57,61,181,0.08);
  }
  .dropdown {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    display: none;
    padding: 0 0 0 20px;
  }
  .nav > li.open .dropdown {
    display: block;
  }
  .mobile-menu-btn {
    display: flex;
    position: relative;
    z-index: 1001;
  }
  .mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }
  .mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
  }
  .mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }
  .header-top .slogan {
    display: none;
  }
  .banner {
    height: 500px;
  }
  .banner-content h2 {
    font-size: 2.2rem;
  }
  .banner-content p {
    font-size: 1.1rem;
  }
  .about-content,
  .courses-grid,
  .divisions-grid,
  .contact-content {
    grid-template-columns: 1fr;
  }
  .about-text {
    padding-right: 0;
  }
  .division-card {
    grid-template-columns: 1fr;
  }
  .division-card .image {
    min-height: 250px;
  }
  .news-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .news-list-item {
    grid-template-columns: 1fr;
  }
  .news-list-item .image {
    height: 200px;
  }
}

@media (max-width: 768px) {
  .section {
    padding: 40px 0;
  }
  .section-title {
    margin-bottom: 40px;
  }
  .section-title h2 {
    font-size: 1.8rem;
  }
  .advantages-grid,
  .campus-grid,
  .gallery-list,
  .news-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-brand,
  .footer-contact {
    grid-column: 1 / -1;
  }
  .banner {
    height: 450px;
  }
  .banner-content h2 {
    font-size: 1.8rem;
  }
  .banner-content p {
    font-size: 1rem;
  }
  .banner-arrows {
    display: none;
  }
  .contact-form {
    padding: 28px;
  }
  .form-row {
    grid-template-columns: 1fr;
  }
  .content-card {
    padding: 30px;
  }
  .page-banner {
    height: 280px;
  }
  .page-banner-content h1 {
    font-size: 2rem;
  }
  .footer-grid {
    gap: 30px;
  }
}

@media (max-width: 480px) {
  .header-top .container {
    justify-content: center;
  }
  .header-top .hotline {
    font-size: 0.85rem;
  }
  .logo img {
    height: 48px;
  }
  .banner {
    height: 400px;
  }
  .banner-content h2 {
    font-size: 1.5rem;
  }
  .btn {
    padding: 12px 24px;
    font-size: 0.9rem;
  }
  .advantage-card {
    padding: 30px 20px;
  }
}