/* 前端网站样式 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background: #000000;
  color: #ffffff;
  line-height: 1.6;
}

/* 现代化导航栏 */
.navbar {
  background: rgba(0, 0, 0, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 4px 20px rgba(255, 255, 255, 0.08);
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 1px solid rgba(79, 70, 229, 0.3);
  transition: all 0.3s ease;
}

.navbar.scrolled {
  background: rgba(0, 0, 0, 0.98);
  box-shadow: 0 6px 30px rgba(255, 255, 255, 0.12);
  padding: 5px 0;
}

.navbar .container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 72px;
  transition: height 0.3s ease;
}

.navbar.scrolled .container {
  height: 62px;
}

.navbar-brand {
  display: flex;
  align-items: center;
  text-decoration: none;
  color: #4f46e5;
  font-size: 1.6rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  transition: all 0.3s ease;
}

.navbar-brand:hover {
  transform: translateY(-1px);
}

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

.navbar-logo .logo {
  height: 42px;
  width: 42px;
  border-radius: 12px;
  object-fit: cover;
  box-shadow: 0 4px 12px rgba(79, 70, 229, 0.2);
  transition: all 0.3s ease;
}

.navbar-brand:hover .logo {
  transform: scale(1.05);
  box-shadow: 0 6px 16px rgba(79, 70, 229, 0.3);
}

.navbar-title {
  background: linear-gradient(135deg, #4f46e5 0%, #8b5cf6 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 800;
}

.navbar-menu {
  display: flex;
  list-style: none;
  gap: 8px;
  margin: 0;
  padding: 0;
}

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

.nav-item {
  position: relative;
}

.nav-link {
  text-decoration: none;
  color: #cbd5e1;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 12px 20px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.nav-link::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    135deg,
    rgba(79, 70, 229, 0.2) 0%,
    rgba(139, 92, 246, 0.2) 100%
  );
  border-radius: 12px;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.nav-link:hover {
  color: #ffffff;
  transform: translateY(-1px);
}

.nav-link:hover::before {
  opacity: 1;
}

.nav-link.active {
  color: #ffffff;
  background: linear-gradient(
    135deg,
    rgba(79, 70, 229, 0.3) 0%,
    rgba(139, 92, 246, 0.3) 100%
  );
  box-shadow: 0 4px 12px rgba(79, 70, 229, 0.3);
}

.nav-link.active::after {
  content: "";
  position: absolute;
  bottom: 4px;
  left: 20px;
  right: 20px;
  height: 3px;
  background: linear-gradient(135deg, #4f46e5 0%, #8b5cf6 100%);
  border-radius: 2px;
}

.nav-link i {
  font-size: 1.1rem;
  transition: transform 0.3s ease;
}

.nav-link:hover i {
  transform: scale(1.1);
}

.navbar-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.auth-buttons {
  display: flex;
  gap: 12px;
}

.auth-buttons .btn {
  padding: 10px 22px;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: 12px;
  transition: all 0.3s ease;
}

.auth-buttons .btn-outline {
  border: 2px solid #4f46e5;
  color: #4f46e5;
  background: transparent;
}

.auth-buttons .btn-outline:hover {
  background: #4f46e5;
  color: white;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(79, 70, 229, 0.25);
}

.auth-buttons .btn-primary {
  background: linear-gradient(135deg, #4f46e5 0%, #8b5cf6 100%);
  color: white;
  border: none;
}

.auth-buttons .btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(79, 70, 229, 0.35);
}

.user-menu {
  position: relative;
}

.user-info {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 16px;
  border-radius: 16px;
  background: rgba(79, 70, 229, 0.05);
  border: 1px solid rgba(79, 70, 229, 0.1);
  cursor: pointer;
  transition: all 0.3s ease;
}

.user-info:hover {
  background: rgba(79, 70, 229, 0.1);
  transform: translateY(-1px);
}

.user-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid rgba(79, 70, 229, 0.2);
  transition: all 0.3s ease;
}

.user-info:hover .user-avatar {
  border-color: #4f46e5;
  transform: scale(1.05);
}

.user-name {
  font-weight: 600;
  color: #ffffff;
  font-size: 0.95rem;
}

.user-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 220px;
  background: #1a1a1a;
  border-radius: 16px;
  box-shadow: 0 10px 40px rgba(255, 255, 255, 0.15);
  padding: 12px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all 0.3s ease;
  z-index: 1001;
  border: 1px solid rgba(79, 70, 229, 0.3);
}

.user-menu:hover .user-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  text-decoration: none;
  color: #cbd5e1;
  font-weight: 500;
  border-radius: 12px;
  transition: all 0.3s ease;
}

.dropdown-item:hover {
  background: rgba(79, 70, 229, 0.2);
  color: #ffffff;
  transform: translateX(4px);
}

.dropdown-item i {
  width: 20px;
  text-align: center;
  color: #94a3b8;
}

.dropdown-item:hover i {
  color: #ffffff;
}

.dropdown-divider {
  height: 1px;
  background: rgba(79, 70, 229, 0.1);
  margin: 8px 0;
}

/* 移动端菜单按钮 */
.navbar-toggle {
  display: none;
  background: none;
  border: none;
  color: #4f46e5;
  font-size: 1.5rem;
  cursor: pointer;
  padding: 8px;
  border-radius: 12px;
  transition: all 0.3s ease;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.navbar-toggle:hover {
  background: rgba(79, 70, 229, 0.1);
  transform: scale(1.05);
}

/* 移动端菜单 */
.mobile-menu {
  position: fixed;
  top: 0;
  right: -100%;
  width: 320px;
  height: 100vh;
  background: #1a1a1a;
  box-shadow: -10px 0 40px rgba(255, 255, 255, 0.15);
  z-index: 2000;
  transition: right 0.4s ease;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
}

.mobile-menu.active {
  right: 0;
}

.mobile-menu-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px;
  border-bottom: 1px solid rgba(79, 70, 229, 0.1);
}

.mobile-menu-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  color: #4f46e5;
  font-size: 1.2rem;
}

.mobile-menu-logo .logo {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  object-fit: cover;
}

.mobile-menu-close {
  background: none;
  border: none;
  color: #64748b;
  font-size: 1.5rem;
  cursor: pointer;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
}

.mobile-menu-close:hover {
  background: rgba(79, 70, 229, 0.1);
  color: #4f46e5;
}

.mobile-nav {
  list-style: none;
  padding: 20px 0;
  margin: 0;
  flex: 1;
}

.mobile-nav li {
  margin: 0;
}

.mobile-nav-link {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 24px;
  text-decoration: none;
  color: #cbd5e1;
  font-weight: 600;
  font-size: 1rem;
  transition: all 0.3s ease;
  border-left: 4px solid transparent;
}

.mobile-nav-link:hover,
.mobile-nav-link.active {
  background: rgba(79, 70, 229, 0.2);
  color: #ffffff;
  border-left-color: #4f46e5;
}

.mobile-nav-link i {
  width: 24px;
  text-align: center;
  font-size: 1.2rem;
}

.mobile-nav-auth {
  padding: 24px;
  border-top: 1px solid rgba(79, 70, 229, 0.1);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.mobile-nav-auth .btn {
  width: 100%;
  justify-content: center;
}

/* 响应式设计 */
@media (max-width: 992px) {
  .navbar-menu {
    display: none;
  }

  .navbar-actions {
    display: none;
  }

  .navbar-toggle {
    display: flex;
  }

  .navbar .container {
    padding: 0 20px;
  }
}

@media (max-width: 768px) {
  .navbar .container {
    height: 64px;
  }

  .navbar.scrolled .container {
    height: 56px;
  }

  .navbar-brand {
    font-size: 1.4rem;
  }

  .navbar-logo .logo {
    width: 36px;
    height: 36px;
  }

  .mobile-menu {
    width: 280px;
  }
}

@media (max-width: 480px) {
  .navbar .container {
    padding: 0 16px;
    height: 60px;
  }

  .navbar.scrolled .container {
    height: 52px;
  }

  .navbar-brand {
    font-size: 1.2rem;
  }

  .navbar-logo .logo {
    width: 32px;
    height: 32px;
  }

  .mobile-menu {
    width: 100%;
  }
}

/* 英雄区域 */
.hero {
  background: linear-gradient(135deg, #000000 0%, #1a1a1a 100%);
  color: white;
  padding: 100px 20px;
  text-align: center;
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" preserveAspectRatio="none"><path d="M0,0 L100,0 L100,100 Z" fill="rgba(255,255,255,0.05)"/></svg>');
  background-size: cover;
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.hero-title {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: 20px;
  line-height: 1.2;
}

.hero-subtitle {
  font-size: 1.2rem;
  margin-bottom: 30px;
  opacity: 0.9;
}

.hero-buttons {
  display: flex;
  gap: 15px;
  justify-content: center;
  flex-wrap: wrap;
}

/* 主要内容区域 */
.main-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 60px 20px;
  background: #000000;
}

.section {
  margin-bottom: 80px;
}

.section-title {
  font-size: 2.2rem;
  font-weight: 700;
  color: #ffffff;
  text-align: center;
  margin-bottom: 40px;
  position: relative;
}

.section-title::after {
  content: "";
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: #4f46e5;
}

/* 成员展示 */
.members-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.member-card {
  background: #1a1a1a;
  border-radius: 15px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(255, 255, 255, 0.1);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  text-align: center;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.member-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 40px rgba(255, 255, 255, 0.15);
  border-color: rgba(79, 70, 229, 0.5);
}

.member-avatar {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.member-info {
  padding: 20px;
}

.member-name {
  font-size: 1.3rem;
  font-weight: 600;
  color: #ffffff;
  margin-bottom: 5px;
}

.member-position {
  color: #94a3b8;
  font-size: 0.9rem;
  margin-bottom: 10px;
}

.member-bio {
  color: #94a3b8;
  font-size: 0.95rem;
  line-height: 1.5;
}

/* 图库展示 */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
  margin-top: 40px;
}

.gallery-item {
  position: relative;
  border-radius: 10px;
  overflow: hidden;
  cursor: pointer;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.gallery-image {
  width: 100%;
  height: 250px;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.gallery-item:hover .gallery-image {
  transform: scale(1.05);
}

.gallery-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
  color: white;
  padding: 20px;
  transform: translateY(100%);
  transition: transform 0.3s ease;
}

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

.gallery-title {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 5px;
}

.gallery-description {
  font-size: 0.9rem;
  opacity: 0.8;
}

/* 留言板 */
.guestbook-container {
  max-width: 800px;
  margin: 40px auto 0;
}

.guestbook-form {
  background: #1a1a1a;
  padding: 30px;
  border-radius: 15px;
  box-shadow: 0 10px 30px rgba(255, 255, 255, 0.1);
  margin-bottom: 40px;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

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

.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
  color: #ffffff;
}

.form-control {
  width: 100%;
  padding: 12px 15px;
  background: #000000;
  border: 2px solid rgba(255, 255, 255, 0.2);
  border-radius: 8px;
  font-size: 1rem;
  transition: border-color 0.3s ease;
  font-family: inherit;
  color: #ffffff;
}

.form-control:focus {
  outline: none;
  border-color: #4f46e5;
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.3);
}

textarea.form-control {
  min-height: 150px;
  resize: vertical;
}

.guestbook-comments {
  margin-top: 40px;
}

.comment {
  background: #1a1a1a;
  padding: 25px;
  border-radius: 15px;
  box-shadow: 0 5px 15px rgba(255, 255, 255, 0.05);
  margin-bottom: 20px;
  border-left: 4px solid #4f46e5;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.comment-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 15px;
}

.comment-author {
  display: flex;
  align-items: center;
  gap: 10px;
}

.comment-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
}

.comment-info h4 {
  font-size: 1.1rem;
  font-weight: 600;
  color: #ffffff;
  margin-bottom: 3px;
}

.comment-date {
  font-size: 0.85rem;
  color: #94a3b8;
}

.comment-content {
  color: #cbd5e1;
  line-height: 1.6;
  margin-bottom: 15px;
}

.comment-reply {
  background: #000000;
  padding: 15px;
  border-radius: 10px;
  margin-top: 15px;
  border-left: 3px solid #10b981;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.reply-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}

.reply-badge {
  background: #10b981;
  color: white;
  padding: 3px 8px;
  border-radius: 12px;
  font-size: 0.8rem;
  font-weight: 600;
}

.reply-date {
  font-size: 0.85rem;
  color: #94a3b8;
}

.reply-content {
  color: #cbd5e1;
  line-height: 1.5;
}

/* 页脚 */
.footer {
  background: #000000;
  color: white;
  padding: 60px 20px 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 40px;
}

.footer-section h3 {
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 20px;
  color: #f8fafc;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a {
  color: #cbd5e1;
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-links a:hover {
  color: #4f46e5;
}

.footer-contact {
  color: #cbd5e1;
  line-height: 1.6;
}

.footer-contact p {
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer-social {
  display: flex;
  gap: 15px;
  margin-top: 20px;
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  color: white;
  text-decoration: none;
  transition: background 0.3s ease;
}

.social-link:hover {
  background: #4f46e5;
}

.footer-bottom {
  max-width: 1200px;
  margin: 40px auto 0;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
  color: #94a3b8;
  font-size: 0.9rem;
}

/* 响应式设计 */
@media (max-width: 768px) {
  .navbar-menu {
    display: none;
  }

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

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

  .section-title {
    font-size: 1.8rem;
  }

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

  .members-grid {
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  }

  .gallery-grid {
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  }
}

@media (max-width: 480px) {
  .navbar-container {
    padding: 0 15px;
  }

  .hero {
    padding: 60px 15px;
  }

  .hero-title {
    font-size: 1.8rem;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }

  .main-content {
    padding: 40px 15px;
  }

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

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

/* 工具类 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  border: none;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
  font-family: inherit;
  gap: 8px;
}

.btn-primary {
  background: #4f46e5;
  color: white;
}

.btn-primary:hover {
  background: #4338ca;
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(79, 70, 229, 0.2);
}

.btn-secondary {
  background: white;
  color: #4f46e5;
  border: 2px solid #4f46e5;
}

.btn-secondary:hover {
  background: #4f46e5;
  color: white;
}

.btn-outline {
  background: transparent;
  border: 2px solid white;
  color: white;
}

.btn-outline:hover {
  background: white;
  color: #4f46e5;
}

.btn-link {
  color: #4f46e5;
  text-decoration: none;
  font-weight: 600;
  font-size: 1rem;
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.btn-link:hover {
  text-decoration: underline;
}

.btn-view {
  display: inline-block;
  padding: 10px 20px;
  background: #4f46e5;
  color: white;
  text-decoration: none;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.9rem;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  transition: background 0.3s ease;
}

.btn-view:hover {
  background: #4338ca;
}

.btn-readmore {
  color: #4f46e5;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 5px;
}

.btn-readmore:hover {
  text-decoration: underline;
}

.text-center {
  text-align: center;
}

.mt-1 {
  margin-top: 5px;
}
.mt-2 {
  margin-top: 10px;
}
.mt-3 {
  margin-top: 15px;
}
.mt-4 {
  margin-top: 20px;
}
.mt-5 {
  margin-top: 30px;
}

.mb-1 {
  margin-bottom: 5px;
}
.mb-2 {
  margin-bottom: 10px;
}
.mb-3 {
  margin-bottom: 15px;
}
.mb-4 {
  margin-bottom: 20px;
}
.mb-5 {
  margin-bottom: 30px;
}

.p-1 {
  padding: 5px;
}
.p-2 {
  padding: 10px;
}
.p-3 {
  padding: 15px;
}
.p-4 {
  padding: 20px;
}
.p-5 {
  padding: 30px;
}

.d-flex {
  display: flex;
}

.align-items-center {
  align-items: center;
}

.justify-content-center {
  justify-content: center;
}

.flex-wrap {
  flex-wrap: wrap;
}

.gap-2 {
  gap: 10px;
}
.gap-3 {
  gap: 15px;
}
.gap-4 {
  gap: 20px;
}

.w-100 {
  width: 100%;
}

/* 背景类 */
.bg-light {
  background: #f8fafc;
}

/* 角色徽章 */
.role-badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 12px;
  font-size: 0.8rem;
  font-weight: 600;
}

.role-admin {
  background: #fee2e2;
  color: #991b1b;
}

.role-vice-admin {
  background: #fef3c7;
  color: #92400e;
}

.role-member {
  background: #d1fae5;
  color: #065f46;
}

.role-guest {
  background: #e0e7ff;
  color: #4f46e5;
}

/* 动画效果 */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  animation: fadeIn 0.6s ease forwards;
}

.delay-1 {
  animation-delay: 0.2s;
}

.delay-2 {
  animation-delay: 0.4s;
}

.delay-3 {
  animation-delay: 0.6s;
}

/* 统计网格 */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 20px;
  margin-top: 30px;
}

.stat-item {
  text-align: center;
  padding: 25px;
  background: #1a1a1a;
  border-radius: 15px;
  box-shadow: 0 5px 15px rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 800;
  color: #4f46e5;
  margin-bottom: 10px;
}

.stat-label {
  font-size: 1rem;
  color: #94a3b8;
  font-weight: 600;
}

/* 置顶徽章 */
.pinned-badge {
  display: inline-block;
  padding: 4px 10px;
  background: #fef3c7;
  color: #92400e;
  font-size: 0.8rem;
  font-weight: 600;
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

/* 联系信息 */
.contact-item {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  margin-bottom: 30px;
}

.contact-icon {
  width: 50px;
  height: 50px;
  background: rgba(79, 70, 229, 0.2);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #4f46e5;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.contact-details {
  flex: 1;
}

.contact-title {
  font-size: 1.2rem;
  font-weight: 600;
  color: #ffffff;
  margin-bottom: 5px;
}

.contact-text {
  color: #94a3b8;
  line-height: 1.6;
}

/* 响应式设计补充 */
@media (max-width: 768px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .contact-item {
    flex-direction: column;
    gap: 10px;
  }

  .contact-icon {
    width: 40px;
    height: 40px;
    font-size: 1rem;
  }
}

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

/* ============================================
   创新布局样式 - 优化版本
   ============================================ */

/* 基础样式 */
body.no-scroll-layout {
  overflow: hidden;
  height: 100vh;
  margin: 0;
  padding: 0;
}

.navbar.fixed-nav {
  background-color: rgba(0, 0, 0, 0.95);
  height: 60px;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
}

.navbar.fixed-nav .container {
  height: 60px;
}

.main-content.innovative {
  background-color: #000000;
  height: calc(100vh - 60px);
  margin-top: 60px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

/* 创新布局容器 - 真正的2x2网格 */
.innovative-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr 1fr;
  height: 100%;
  gap: 15px;
  padding: 15px;
  flex: 1;
}

/* 布局模块 */
.layout-module {
  background: #1a1a1a;
  border-radius: 15px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 25px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.layout-module:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(79, 70, 229, 0.3);
  border-color: rgba(79, 70, 229, 0.5);
}

/* 模块1：英雄区域 - 占据左上角 */
.module-hero {
  grid-column: 1;
  grid-row: 1;
  background: linear-gradient(135deg, #000000 0%, #4f46e5 100%);
}

/* 模块2：关于我们 - 占据右上角 */
.module-about {
  grid-column: 2;
  grid-row: 1;
  background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
}

/* 模块3：功能入口 - 占据左下角 */
.module-features-container {
  grid-column: 1;
  grid-row: 2;
}

/* 模块4：联系信息 - 占据右下角 */
.module-contact {
  grid-column: 2;
  grid-row: 2;
  background: linear-gradient(135deg, #1a1a1a 0%, #3a3a3a 100%);
}

.innovative-hero-title {
  font-size: 2.8rem;
  font-weight: 800;
  margin-bottom: 15px;
  background: linear-gradient(135deg, #ffffff 0%, #8b5cf6 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.innovative-hero-subtitle {
  font-size: 1.2rem;
  opacity: 0.9;
  margin-bottom: 25px;
  max-width: 600px;
}

.innovative-hero-buttons {
  display: flex;
  gap: 15px;
  flex-wrap: wrap;
  justify-content: center;
}

.module-icon {
  font-size: 3rem;
  color: #4f46e5;
  margin-bottom: 20px;
}

.module-title {
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 15px;
}

.module-content {
  font-size: 1rem;
  line-height: 1.6;
  opacity: 0.9;
}

/* 功能入口网格 */
.module-features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 15px;
  width: 100%;
}

.feature-item {
  background: rgba(255, 255, 255, 0.05);
  border-radius: 10px;
  padding: 15px;
  transition: all 0.3s ease;
  text-decoration: none;
  color: white;
}

.feature-item:hover {
  background: rgba(79, 70, 229, 0.2);
  transform: translateY(-3px);
}

.feature-icon {
  font-size: 1.8rem;
  color: #4f46e5;
  margin-bottom: 10px;
}

.feature-title {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 5px;
}

.feature-desc {
  font-size: 0.85rem;
  opacity: 0.8;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 15px;
  align-items: center;
}

.contact-item.compact {
  display: flex;
  align-items: center;
  gap: 15px;
  background: rgba(255, 255, 255, 0.05);
  padding: 15px 25px;
  border-radius: 10px;
  width: 100%;
  max-width: 300px;
}

.contact-icon.compact {
  font-size: 1.5rem;
  color: #4f46e5;
  width: 40px;
  text-align: center;
}

.contact-details.compact {
  text-align: left;
}

.contact-label {
  font-size: 0.9rem;
  opacity: 0.8;
  margin-bottom: 5px;
}

.contact-value {
  font-size: 1.1rem;
  font-weight: 600;
}

/* 响应式设计 */
@media (max-width: 992px) {
  .innovative-layout {
    grid-template-columns: 1fr;
    grid-template-rows: auto auto auto auto;
  }

  .module-hero {
    grid-column: 1;
    grid-row: 1;
  }

  .module-about {
    grid-column: 1;
    grid-row: 2;
  }

  .module-features-container {
    grid-column: 1;
    grid-row: 3;
  }

  .module-contact {
    grid-column: 1;
    grid-row: 4;
  }

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

  .module-features {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .innovative-hero-title {
    font-size: 1.8rem;
  }

  .innovative-hero-buttons {
    flex-direction: column;
    align-items: center;
  }

  .module-title {
    font-size: 1.5rem;
  }
}

/* ============================================
   终极美化增强版 - 保持无滚动条+全屏布局 不修改原有结构
   所有优化：玻璃拟态+高级渐变+精致微动效+光影层次+细节质感
============================================ */
/* 1. 全局基础质感升级 - 无滚动核心不变 */
body.no-scroll-layout {
  overflow: hidden !important;
  height: 100vh !important;
  width: 100vw !important;
  margin: 0;
  padding: 0;
  background: #000000
    radial-gradient(
      circle at 50% 50%,
      rgba(79, 70, 229, 0.03) 0%,
      rgba(0, 0, 0, 0.08) 100%
    );
  background-attachment: fixed;
}

/* 2. 导航栏质感增强 - 固定置顶+玻璃化+更细腻阴影 */
.navbar.fixed-nav {
  background-color: rgba(0, 0, 0, 0.92) !important;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.6);
  border-bottom: 1px solid rgba(79, 70, 229, 0.15);
  height: 60px;
}

/* 3. 核心 - 2x2网格布局优化 间距更舒适+整体留白更高级 */
.main-content.innovative {
  height: calc(100vh - 60px) !important;
  margin-top: 60px !important;
  overflow: hidden !important;
  background-color: transparent !important;
}
.innovative-layout {
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr 1fr;
  height: 100% !important;
  gap: 20px !important; /* 优化间距 比15px更透气 不拥挤 */
  padding: 20px !important; /* 内边距优化 全屏留白更均衡 */
  flex: 1;
}

/* 4. 🔥 核心美化 - 所有模块升级【高级玻璃拟态+渐变底纹】 质感拉满 */
.layout-module {
  background: rgba(26, 26, 26, 0.6) !important;
  backdrop-filter: blur(15px) !important;
  -webkit-backdrop-filter: blur(15px) !important;
  border: 1px solid rgba(79, 70, 229, 0.25) !important;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.4), 0 2px 8px rgba(79, 70, 229, 0.1) !important;
  position: relative;
  overflow: hidden;
}
/* 给每个模块加【内层微光渐变】，增加层次感，不单调 */
.layout-module::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    135deg,
    rgba(79, 70, 229, 0.05) 0%,
    rgba(139, 92, 246, 0.03) 100%
  );
  z-index: -1;
}

/* 5. 🔥 模块悬停特效升级 - 高级组合微动效 丝滑不生硬 */
.layout-module {
  transition: all 0.4s cubic-bezier(0.22, 1, 0.36, 1) !important;
  transform: translateY(0) scale(1);
}
.layout-module:hover {
  transform: translateY(-6px) scale(1.01) !important;
  border-color: rgba(79, 70, 229, 0.6) !important;
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.5), 0 5px 15px rgba(79, 70, 229, 0.3) !important;
}

/* 6. 英雄区专属美化 - 渐变增强+发光文字+更高级排版 */
.module-hero {
  background: linear-gradient(
    135deg,
    rgba(0, 0, 0, 0.9) 0%,
    rgba(30, 25, 80, 0.85) 100%
  ) !important;
}
.innovative-hero-title {
  font-size: 3rem;
  font-weight: 800;
  background: linear-gradient(135deg, #ffffff 0%, #c4b5fd 50%, #8b5cf6 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: 0 0 30px rgba(139, 92, 246, 0.2);
  margin-bottom: 20px;
}
.innovative-hero-subtitle {
  font-size: 1.25rem;
  color: rgba(255, 255, 255, 0.9);
  text-shadow: 0 0 15px rgba(0, 0, 0, 0.5);
  max-width: 70%;
}

/* 7. 功能入口卡片 极致美化 - 子元素联动动画+独立悬浮效果 */
.module-features {
  gap: 20px !important;
}
.feature-item {
  background: rgba(0, 0, 0, 0.3) !important;
  border: 1px solid rgba(79, 70, 229, 0.2);
  border-radius: 12px;
  transition: all 0.3s ease;
  transform: translateY(0);
}
.feature-item:hover {
  background: rgba(79, 70, 229, 0.1) !important;
  border-color: rgba(79, 70, 229, 0.5);
  transform: translateY(-4px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}
.feature-icon {
  color: #a78bfa;
  transition: all 0.3s ease;
}
.feature-item:hover .feature-icon {
  color: #c4b5fd;
  transform: scale(1.1);
}
.feature-title {
  color: #ffffff;
}
.feature-desc {
  color: rgba(255, 255, 255, 0.7);
}

/* 8. 按钮美化升级 - 渐变按钮+悬浮发光+点击反馈 全站统一质感 */
.btn {
  border-radius: 12px !important;
  font-weight: 700;
  transition: all 0.3s ease;
}
.btn-primary {
  background: linear-gradient(135deg, #4f46e5 0%, #8b5cf6 100%) !important;
  box-shadow: 0 4px 15px rgba(79, 70, 229, 0.2);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(79, 70, 229, 0.4);
}
.btn-secondary {
  background: rgba(0, 0, 0, 0.3) !important;
  border: 2px solid rgba(79, 70, 229, 0.6) !important;
  color: #ffffff !important;
}
.btn-secondary:hover {
  background: rgba(79, 70, 229, 0.2) !important;
  border-color: #8b5cf6 !important;
  color: #ffffff !important;
}

/* 9. 联系信息模块美化 - 卡片化+图标渐变+文字层次优化 */
.contact-item.compact {
  background: rgba(0, 0, 0, 0.2) !important;
  border: 1px solid rgba(79, 70, 229, 0.2);
  border-radius: 12px;
  transition: all 0.3s ease;
  padding: 12px 20px !important; /* 减少内边距 */
  margin-bottom: 8px !important; /* 减少项目间距 */
}
.contact-item.compact:hover {
  border-color: rgba(79, 70, 229, 0.5);
  background: rgba(0, 0, 0, 0.3);
}
.contact-icon.compact {
  color: #8b5cf6;
  font-size: 1.4rem !important; /* 减小图标大小 */
  width: 30px !important; /* 减小图标容器宽度 */
}
.contact-details.compact {
  text-align: left;
  flex: 1;
}
.contact-label {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.85rem !important; /* 减小标签字体大小 */
  margin-bottom: 3px !important; /* 减少标签与值的间距 */
}
.contact-value {
  color: #ffffff;
  font-weight: 600;
  font-size: 1rem !important; /* 减小值字体大小 */
  line-height: 1.2 !important; /* 调整行高 */
}
.contact-info {
  display: flex;
  flex-direction: column;
  gap: 8px !important; /* 减少项目之间的间距 */
  align-items: center;
  width: 100%;
}

/* 10. 图标统一美化 - 所有FontAwesome图标加轻微渐变/发光 */
i.fas {
  position: relative;
}
.module-icon i {
  font-size: 3.2rem;
  background: linear-gradient(135deg, #4f46e5 0%, #8b5cf6 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 0 10px rgba(79, 70, 229, 0.2));
}

/* 11. 文字全局层次优化 - 避免黑白分明的刺眼感，柔化文字显示 */
.module-title {
  color: #ffffff;
  font-weight: 700;
  background: linear-gradient(135deg, #ffffff 0%, #e0e7ff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.module-content {
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.7;
  font-size: 1.05rem;
}

/* 12. 移动端适配优化 - 保持2x2网格布局，允许滑动 */
@media (max-width: 992px) {
  /* 保持2x2网格布局，但缩小尺寸以适应移动端 */
  .innovative-layout {
    grid-template-columns: 1fr 1fr !important; /* 保持2列 */
    grid-template-rows: 1fr 1fr !important; /* 保持2行 */
    gap: 12px !important; /* 适当缩小间距 */
    padding: 12px !important;
    height: auto !important; /* 高度自适应 */
    min-height: calc(100vh - 60px) !important;
    overflow: visible !important;
  }

  /* 调整模块大小以适应移动端2x2布局 */
  .layout-module {
    padding: 15px !important;
    min-height: 180px !important; /* 设置最小高度 */
    height: auto !important;
    overflow: visible !important;
    display: flex !important;
    flex-direction: column !important;
    justify-content: center !important;
  }

  /* 保持PC端字体大小，但适当调整 */
  .innovative-hero-title {
    font-size: 1.8rem !important; /* 比PC端稍小，但保持可读性 */
    margin-bottom: 10px !important;
    line-height: 1.2 !important;
  }
  .innovative-hero-subtitle {
    font-size: 0.95rem !important;
    max-width: 100% !important;
    margin-bottom: 15px !important;
    line-height: 1.3 !important;
  }

  .module-icon i {
    font-size: 2rem !important;
    margin-bottom: 10px !important;
  }
  .module-title {
    font-size: 1.3rem !important;
    margin-bottom: 8px !important;
    line-height: 1.2 !important;
  }
  .module-content {
    font-size: 0.9rem !important;
    line-height: 1.4 !important;
  }

  /* 功能入口调整为2列布局 */
  .module-features {
    grid-template-columns: repeat(2, 1fr) !important; /* 2列布局 */
    gap: 10px !important;
    margin-top: 10px !important;
  }
  .feature-item {
    padding: 10px !important;
    min-height: 100px !important;
  }
  .feature-icon {
    font-size: 1.3rem !important;
    margin-bottom: 6px !important;
  }
  .feature-title {
    font-size: 0.9rem !important;
    margin-bottom: 3px !important;
  }
  .feature-desc {
    font-size: 0.75rem !important;
    line-height: 1.2 !important;
  }

  /* 联系信息保持原有样式 */
  .contact-info {
    gap: 8px !important;
    margin-top: 10px !important;
  }
  .contact-item.compact {
    padding: 10px 15px !important;
    margin-bottom: 6px !important;
    gap: 12px !important;
  }
  .contact-icon.compact {
    font-size: 1.1rem !important;
    width: 24px !important;
  }
  .contact-label {
    font-size: 0.8rem !important;
    margin-bottom: 2px !important;
  }
  .contact-value {
    font-size: 0.9rem !important;
    line-height: 1.1 !important;
  }

  /* 按钮调整 */
  .btn {
    padding: 8px 16px !important;
    font-size: 0.85rem !important;
  }
  .innovative-hero-buttons {
    gap: 10px !important;
    flex-wrap: wrap !important;
    justify-content: center !important;
  }

  /* 保持悬停效果 */
  .layout-module:hover {
    transform: translateY(-3px) scale(1.01) !important;
  }
}

/* 中等屏幕进一步优化 */
@media (max-width: 768px) {
  .innovative-layout {
    gap: 10px !important;
    padding: 10px !important;
  }

  .layout-module {
    padding: 12px !important;
    min-height: 160px !important;
  }

  .innovative-hero-title {
    font-size: 1.6rem !important;
  }
  .innovative-hero-subtitle {
    font-size: 0.9rem !important;
  }
  .module-title {
    font-size: 1.2rem !important;
  }
  .module-content {
    font-size: 0.85rem !important;
  }

  /* 功能入口在小屏幕改为单列 */
  .module-features {
    grid-template-columns: 1fr !important;
    gap: 8px !important;
  }
}

/* 超小屏幕优化 */
@media (max-width: 480px) {
  .innovative-layout {
    grid-template-columns: 1fr !important; /* 超小屏幕改为单列 */
    grid-template-rows: auto auto auto auto !important;
    gap: 8px !important;
    padding: 8px !important;
  }

  /* 重置模块位置 */
  .module-hero {
    grid-column: 1 !important;
    grid-row: 1 !important;
  }
  .module-about {
    grid-column: 1 !important;
    grid-row: 2 !important;
  }
  .module-features-container {
    grid-column: 1 !important;
    grid-row: 3 !important;
  }
  .module-contact {
    grid-column: 1 !important;
    grid-row: 4 !important;
  }

  .layout-module {
    padding: 10px !important;
    min-height: auto !important;
  }

  .innovative-hero-title {
    font-size: 1.4rem !important;
  }
  .innovative-hero-subtitle {
    font-size: 0.85rem !important;
  }
  .module-title {
    font-size: 1.1rem !important;
  }
  .module-content {
    font-size: 0.8rem !important;
  }
}

/* 移动端允许滑动 */
@media (max-width: 992px) {
  body.no-scroll-layout {
    overflow: auto !important; /* 允许整个页面滚动 */
  }

  .main-content.innovative {
    overflow: visible !important; /* 移除滚动限制 */
    height: auto !important; /* 高度自适应 */
    min-height: calc(100vh - 60px) !important;
  }

  .innovative-layout {
    min-height: calc(100vh - 80px) !important;
  }

  /* 确保内容不溢出 */
  .layout-module > * {
    max-width: 100% !important;
    overflow-wrap: break-word !important;
  }
}

/* ============================================
   额外 3 个「无滚动专属」加分美化方案
============================================ */

/* ✅ 加分项 1：页面载入动画（模块依次淡入，不突兀） */
/* 页面加载时，模块从透明+下移 渐入，有高级出场感 */
body.loaded .layout-module {
  opacity: 0;
  transform: translateY(15px) scale(0.98);
  animation: moduleFadeIn 0.6s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}
body.loaded .module-hero {
  animation-delay: 0.1s;
}
body.loaded .module-about {
  animation-delay: 0.25s;
}
body.loaded .module-features-container {
  animation-delay: 0.4s;
}
body.loaded .module-contact {
  animation-delay: 0.55s;
}
@keyframes moduleFadeIn {
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* ✅ 加分项 2：雪花特效优化（变淡 + 变慢，不抢视觉焦点） */
/* 雪花特效美化 - 更淡、更慢、更通透 */
#snowfall canvas {
  opacity: 0.6 !important;
  pointer-events: none;
}

/* ✅ 加分项 3：鼠标悬浮文字高亮（细节优化，提升可读性） */
/* 所有文字hover时轻微提亮，不刺眼但有反馈 */
.layout-module * {
  transition: color 0.3s ease;
}
.layout-module:hover .module-content,
.layout-module:hover .feature-desc,
.layout-module:hover .contact-label {
  color: rgba(255, 255, 255, 0.95);
}