:host {
  display: block;
  width: 100%;
  height: 100%;
}

.platform-container {
  font-family: 'Noto Serif SC', serif;
  background: linear-gradient(to bottom, #e0f7fa, #f5f5f5);
  color: var(--ink-dark);
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
  display: flex;
  flex-direction: column;
  will-change: transform;

  &::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100" viewBox="0 0 100 100"><path d="M0,50 Q25,30 50,50 T100,50" fill="none" stroke="%23a5d6a7" stroke-width="0.5" opacity="0.08"/></svg>');
    opacity: 0.1;
    z-index: -1;
    background-attachment: fixed;
  }
}

:host {
  --primary-blue: #2F7DAD;  /* 天青瓷 */
  --primary-green: #5B8C5A; /* 香樟绿 */
  --primary-gold: #D4B16A;  /* 庐金 */
  --accent: #c53d43;        /* 井冈山鹃红 */
  --dark: #2c3e50;
  --light: #f8f9fa;
  --ink-dark: #0d1b2a;
  --ink-light: #415a77;
  --water-color: #e0f7fa;
  --mountain-color: #a5d6a7;
  --red-culture: #b71c1c;
  --heritage: #5d4037;
  --animation-speed: 0.4s;
}

.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 20px;
  flex: 1;
}

.main-content {
  display: flex;
  gap: 25px;
  margin-top: 30px;
  min-height: 0; /* 防止flex溢出 */
}

/* 侧边导航 */
.sidebar {
  width: 280px;
  background: rgba(255, 255, 255, 0.92);
  border-radius: 12px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
  padding: 20px;
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.5);
  height: fit-content;
  flex-shrink: 0;
  will-change: transform;
}

.sidebar-title {
  font-family: 'Ma Shan Zheng', cursive;
  font-size: 1.8rem;
  color: var(--primary-blue);
  text-align: center;
  margin-bottom: 20px;
  padding-bottom: 10px;
  border-bottom: 2px dashed var(--primary-gold);
}

.module-nav {
  list-style: none;
}

.module-nav li {
  margin-bottom: 8px;
}

.module-nav a {
  display: block;
  padding: 12px 15px;
  background: rgba(47, 125, 173, 0.1);
  border-radius: 8px;
  color: var(--dark);
  text-decoration: none;
  transition: all var(--animation-speed) ease;
  position: relative;
  overflow: hidden;
  font-weight: 500;
  will-change: transform;
}

.module-nav a::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(to right, transparent, rgba(212, 175, 55, 0.15), transparent);
  transition: left var(--animation-speed) ease;
}

.module-nav a:hover {
  background: rgba(47, 125, 173, 0.2);
  transform: translateX(5px);
}

.module-nav a:hover::before {
  left: 100%;
}

.module-nav a.active {
  background: var(--primary-blue);
  color: white;
  box-shadow: 0 4px 12px rgba(47, 125, 173, 0.3);
}

.module-nav a i {
  margin-right: 10px;
  width: 20px;
  text-align: center;
}

.sub-nav {
  list-style: none;
  padding-left: 30px;
  margin-top: 5px;
}

.sub-nav li {
  margin-bottom: 5px;
}

.sub-nav a {
  padding: 8px 15px;
  background: rgba(212, 175, 55, 0.05);
  border-left: 3px solid var(--primary-gold);
}

/* 内容区域 */
.content-area {
  flex: 1;
  background: rgba(255, 255, 255, 0.92);
  border-radius: 12px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
  padding: 30px;
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.5);
  min-height: 700px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  will-change: transform;
}

.content-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 30px;
  padding-bottom: 15px;
  border-bottom: 2px solid var(--water-color);
  flex-wrap: wrap;
  gap: 20px;
}

.content-title {
  font-family: 'Ma Shan Zheng', cursive;
  font-size: 2.2rem;
  color: var(--primary-blue);
  display: flex;
  align-items: center;
  gap: 15px;
}

.content-title-icon {
  color: var(--primary-gold);
  font-size: 1.8rem;
}

.stats-container {
  display: flex;
  gap: 15px;
  flex-wrap: wrap;
}

.stat-card {
  background: linear-gradient(to right, var(--primary-blue), #2a5b8c);
  color: white;
  padding: 12px 20px;
  border-radius: 8px;
  min-width: 150px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
  flex: 1;
  min-width: 140px;
}

.stat-card h3 {
  font-size: 0.9rem;
  font-weight: 400;
  margin-bottom: 5px;
  opacity: 0.9;
}

.stat-card p {
  font-size: 1.5rem;
  font-weight: 700;
}

.stat-card:nth-child(2) {
  background: linear-gradient(to right, var(--accent), #b33939);
}

.stat-card:nth-child(3) {
  background: linear-gradient(to right, var(--primary-gold), #b8860b);
}

/* 功能模块展示 */
.module-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 25px;
  margin-top: 25px;
  flex: 1;
  overflow-y: auto;
  padding-bottom: 20px;
}

.module-card {
  background: white;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
  transition: all var(--animation-speed) ease;
  border: 1px solid rgba(0, 0, 0, 0.05);
  position: relative;
  will-change: transform;
}

.module-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 25px rgba(0, 0, 0, 0.15);
}

.card-header {
  padding: 20px;
  background: var(--primary-blue);
  color: white;
  position: relative;
}

.card-header::after {
  content: "";
  position: absolute;
  bottom: -15px;
  left: 20px;
  width: 30px;
  height: 30px;
  background: var(--primary-blue);
  transform: rotate(45deg);
  z-index: 1;
}

.card-icon {
  position: absolute;
  top: 20px;
  right: 20px;
  font-size: 2rem;
  opacity: 0.2;
}

.card-title {
  font-size: 1.4rem;
  margin-bottom: 5px;
  position: relative;
  z-index: 2;
}

.card-subtitle {
  font-size: 0.9rem;
  opacity: 0.8;
  position: relative;
  z-index: 2;
}

.card-body {
  padding: 30px 20px 20px;
  position: relative;
  z-index: 2;
}

.card-features {
  list-style: none;
  margin-bottom: 20px;
}

.card-features li {
  padding: 8px 0;
  border-bottom: 1px dashed rgba(0, 0, 0, 0.1);
  display: flex;
  align-items: center;
}

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

.card-features li i {
  color: var(--primary-gold);
  margin-right: 10px;
  min-width: 20px;
  text-align: center;
}

.card-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.btn {
  padding: 10px 20px;
  border-radius: 6px;
  border: none;
  cursor: pointer;
  font-family: inherit;
  font-weight: 500;
  transition: all var(--animation-speed) ease;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  will-change: transform;
}

.btn:active {
  transform: scale(0.98);
}

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

.btn-primary:hover {
  background: #1a6aa2;
  box-shadow: 0 4px 12px rgba(47, 125, 173, 0.3);
}

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

.btn-outline:hover {
  background: rgba(47, 125, 173, 0.1);
}

/* 水墨山水装饰元素 */
.ink-mountain {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 300px;
  height: 150px;
  background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 800 400"><path d="M0,400 Q200,250 400,300 T800,400 L800,500 L0,500 Z" fill="%232c3e50" opacity="0.05"/></svg>');
  background-size: contain;
  background-repeat: no-repeat;
  z-index: -1;
  will-change: transform;
}

.ink-water {
  position: absolute;
  bottom: 0;
  right: 0;
  width: 250px;
  height: 120px;
  background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 800 200"><path d="M0,200 Q100,150 200,180 T400,160 T600,190 T800,150 L800,300 L0,300 Z" fill="%231a6aa2" opacity="0.05"/></svg>');
  background-size: contain;
  background-repeat: no-repeat;
  z-index: -1;
  will-change: transform;
}

/* 轮播图 */
.swiper-container {
  width: 100%;
  height: 300px;
  border-radius: 12px;
  overflow: hidden;
  margin-top: 20px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  will-change: transform;
}

.swiper-slide {
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: flex-end;
  padding: 30px;
  position: relative;
}

.swiper-slide::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.7), transparent);
}

.slide-content {
  position: relative;
  z-index: 2;
  color: white;
  max-width: 70%;
}

.slide-title {
  font-size: 1.8rem;
  margin-bottom: 10px;
  font-weight: 700;
}

/* 防止动画闪烁 */
.no-flash {
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
  -webkit-perspective: 1000;
  perspective: 1000;
  transform: translate3d(0,0,0);
}

/* 缩放比例优化 */
@media screen and (min-width: 1600px) {
  .container {
    max-width: 1600px;
  }
  
  .sidebar {
    width: 320px;
  }
  
  .module-grid {
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  }
}

/* 响应式调整 */
@media (max-width: 1200px) {
  .main-content {
    gap: 20px;
  }
  
  .sidebar {
    width: 260px;
  }
}

@media (max-width: 992px) {
  .main-content {
    flex-direction: column;
  }
  
  .sidebar {
    width: 100%;
  }
  
  .module-grid {
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  }
}

@media (max-width: 768px) {
  .stats-container {
    width: 100%;
  }
  
  .stat-card {
    min-width: 120px;
    padding: 10px 15px;
  }
  
  .stat-card p {
    font-size: 1.3rem;
  }
  
  .content-header {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .content-title {
    font-size: 1.8rem;
  }
}

@media (max-width: 480px) {
  .module-grid {
    grid-template-columns: 1fr;
  }
  
  .swiper-container {
    height: 250px;
  }
  
  .slide-content {
    max-width: 90%;
  }
  
  .slide-title {
    font-size: 1.5rem;
  }
}