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

body {
  font-family: 'Inter', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, .text-5xl, .text-6xl, .text-7xl, .text-8xl {
  font-family: 'Inter', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

h2, h3, h4 {
  font-family: 'Inter', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-weight: 500;
  line-height: 1.3;
}

.text-xs { font-size: 0.75rem; line-height: 1rem; }
.text-sm { font-size: 0.875rem; line-height: 1.25rem; }
.text-base { font-size: 1rem; line-height: 1.5rem; }
.text-lg { font-size: 1.125rem; line-height: 1.75rem; }
.text-xl { font-size: 1.25rem; line-height: 1.75rem; }
.text-2xl { font-size: 1.5rem; line-height: 2rem; }
.text-3xl { font-size: 1.875rem; line-height: 2.25rem; }
.text-4xl { font-size: 2.25rem; line-height: 2.5rem; }

.font-light { font-weight: 300; }
.font-normal { font-weight: 400; }
.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }

.nav-blur {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}

@keyframes dropdownFadeIn {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}

header .dropdown {
  position: relative;
  display: inline-flex;
  align-items: center;
  height: 56px;
  padding: 0;
}

header .dropdown .dropdown-trigger {
  display: flex;
  align-items: center;
  padding: 12px 16px;
  cursor: pointer;
}

header nav .dropdown > .dropdown-content {
  display: none !important;
  position: absolute !important;
  top: 100% !important;
  left: 12px !important;
  background: white !important;
  border: 1px solid rgba(0, 0, 0, 0.1) !important;
  border-radius: 12px !important;
  padding: 12px 0 !important;
  margin-top: 1px !important;
  width: auto !important;
  max-width: 150px !important;
  min-width: 0 !important;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15) !important;
  z-index: 9999 !important;
  animation: dropdownFadeIn 0.2s ease-out !important;
}

header nav .dropdown:hover > .dropdown-content,
header nav .dropdown:focus-within > .dropdown-content {
  display: block !important;
}

header .dropdown-item {
  display: block;
  padding: 12px 16px 12px 12px;
  text-decoration: none;
  color: #475569;
  font-size: 13px;
  font-weight: 400;
  transition: background-color 0.2s ease;
  white-space: nowrap;
  text-align: left;
}

header .dropdown-item:hover {
  background-color: rgba(0, 0, 0, 0.05);
  color: #1e293b;
}

table {
  border-collapse: separate !important;
  border-spacing: 10px !important;
  width: 100%;
}

th, td {
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 10px;
  padding: 12px 16px;
  text-align: center;
  transition: background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.01);
  position: relative;
}

th {
  font-weight: 500;
}

th:hover, td:hover {
  background: rgba(255, 255, 255, 0.25);
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.04), inset 0 1px 0 rgba(255, 255, 255, 0.5);
}

.watermark {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 99999;
  opacity: 0.12;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='260' height='260' viewBox='0 0 260 260'%3E%3Ctext x='130' y='130' font-family='SF Pro Display, -apple-system, BlinkMacSystemFont, sans-serif' font-size='26' font-weight='300' fill='%2364748b' text-anchor='middle' dominant-baseline='middle' transform='rotate(30 130 130)' letter-spacing='0.15em'%3EAustlink%3C/text%3E%3C/svg%3E");
  background-repeat: repeat;
  background-size: 260px 260px;
  will-change: transform;
}

.watermark-sydney { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='260' height='260' viewBox='0 0 260 260'%3E%3Ctext x='130' y='130' font-family='SF Pro Display, -apple-system, BlinkMacSystemFont, sans-serif' font-size='26' font-weight='300' fill='%23991b1b' text-anchor='middle' dominant-baseline='middle' transform='rotate(30 130 130)' letter-spacing='0.15em'%3EAustlink%3C/text%3E%3C/svg%3E"); }
.watermark-unsw { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='260' height='260' viewBox='0 0 260 260'%3E%3Ctext x='130' y='130' font-family='SF Pro Display, -apple-system, BlinkMacSystemFont, sans-serif' font-size='26' font-weight='300' fill='%23F59E0B' text-anchor='middle' dominant-baseline='middle' transform='rotate(30 130 130)' letter-spacing='0.15em'%3EAustlink%3C/text%3E%3C/svg%3E"); }
.watermark-melbourne { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='260' height='260' viewBox='0 0 260 260'%3E%3Ctext x='130' y='130' font-family='SF Pro Display, -apple-system, BlinkMacSystemFont, sans-serif' font-size='26' font-weight='300' fill='%231e3a5f' text-anchor='middle' dominant-baseline='middle' transform='rotate(30 130 130)' letter-spacing='0.15em'%3EAustlink%3C/text%3E%3C/svg%3E"); }
.watermark-anu { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='260' height='260' viewBox='0 0 260 260'%3E%3Ctext x='130' y='130' font-family='SF Pro Display, -apple-system, BlinkMacSystemFont, sans-serif' font-size='26' font-weight='300' fill='%2392400e' text-anchor='middle' dominant-baseline='middle' transform='rotate(30 130 130)' letter-spacing='0.15em'%3EAustlink%3C/text%3E%3C/svg%3E"); }
.watermark-monash { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='260' height='260' viewBox='0 0 260 260'%3E%3Ctext x='130' y='130' font-family='SF Pro Display, -apple-system, BlinkMacSystemFont, sans-serif' font-size='26' font-weight='300' fill='%231e3a5f' text-anchor='middle' dominant-baseline='middle' transform='rotate(30 130 130)' letter-spacing='0.15em'%3EAustlink%3C/text%3E%3C/svg%3E"); }
.watermark-uq { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='260' height='260' viewBox='0 0 260 260'%3E%3Ctext x='130' y='130' font-family='SF Pro Display, -apple-system, BlinkMacSystemFont, sans-serif' font-size='26' font-weight='300' fill='%234c1d95' text-anchor='middle' dominant-baseline='middle' transform='rotate(30 130 130)' letter-spacing='0.15em'%3EAustlink%3C/text%3E%3C/svg%3E"); }
.watermark-uwa { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='260' height='260' viewBox='0 0 260 260'%3E%3Ctext x='130' y='130' font-family='SF Pro Display, -apple-system, BlinkMacSystemFont, sans-serif' font-size='26' font-weight='300' fill='%231e3a5f' text-anchor='middle' dominant-baseline='middle' transform='rotate(30 130 130)' letter-spacing='0.15em'%3EAustlink%3C/text%3E%3C/svg%3E"); }
.watermark-adelaide { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='260' height='260' viewBox='0 0 260 260'%3E%3Ctext x='130' y='130' font-family='SF Pro Display, -apple-system, BlinkMacSystemFont, sans-serif' font-size='26' font-weight='300' fill='%236b21a8' text-anchor='middle' dominant-baseline='middle' transform='rotate(30 130 130)' letter-spacing='0.15em'%3EAustlink%3C/text%3E%3C/svg%3E"); }
.watermark-uts { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='260' height='260' viewBox='0 0 260 260'%3E%3Ctext x='130' y='130' font-family='SF Pro Display, -apple-system, BlinkMacSystemFont, sans-serif' font-size='26' font-weight='300' fill='%231e3a5f' text-anchor='middle' dominant-baseline='middle' transform='rotate(30 130 130)' letter-spacing='0.15em'%3EAustlink%3C/text%3E%3C/svg%3E"); }
.watermark-blue { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='260' height='260' viewBox='0 0 260 260'%3E%3Ctext x='130' y='130' font-family='SF Pro Display, -apple-system, BlinkMacSystemFont, sans-serif' font-size='26' font-weight='300' fill='%233b82f6' text-anchor='middle' dominant-baseline='middle' transform='rotate(30 130 130)' letter-spacing='0.15em'%3EAustlink%3C/text%3E%3C/svg%3E"); }
.watermark-purple { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='260' height='260' viewBox='0 0 260 260'%3E%3Ctext x='130' y='130' font-family='SF Pro Display, -apple-system, BlinkMacSystemFont, sans-serif' font-size='26' font-weight='300' fill='%238b5cf6' text-anchor='middle' dominant-baseline='middle' transform='rotate(30 130 130)' letter-spacing='0.15em'%3EAustlink%3C/text%3E%3C/svg%3E"); }
.watermark-white { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='260' height='260' viewBox='0 0 260 260'%3E%3Ctext x='130' y='130' font-family='SF Pro Display, -apple-system, BlinkMacSystemFont, sans-serif' font-size='26' font-weight='300' fill='%2394a3b8' text-anchor='middle' dominant-baseline='middle' transform='rotate(30 130 130)' letter-spacing='0.15em'%3EAustlink%3C/text%3E%3C/svg%3E"); }

/* 大学页面卡片样式 - 高透明度设计 */
.glass-card {
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid rgba(255, 255, 255, 0.4);
  border-radius: 1rem;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06),
              inset 0 1px 0 rgba(255, 255, 255, 0.7);
  transition: all 0.3s ease;
}

.glass-card:hover {
  background: rgba(255, 255, 255, 0.85);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08),
              inset 0 1px 0 rgba(255, 255, 255, 0.85);
  transform: translateY(-2px);
}

.glass-card-dark {
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid rgba(255, 255, 255, 0.4);
  border-radius: 1rem;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06),
              inset 0 1px 0 rgba(255, 255, 255, 0.7);
}

.glass-card-dark:hover {
  background: rgba(255, 255, 255, 0.85);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08),
              inset 0 1px 0 rgba(255, 255, 255, 0.85);
  transform: translateY(-2px);
}

/* 卡片文字样式 - 确保WCAG AA级对比度 */
.card-text-primary {
  color: #111827;
  font-weight: 450;
  text-shadow: 0 1px 2px rgba(255, 255, 255, 0.9);
}

.card-text-secondary {
  color: #374151;
  font-weight: 400;
}

.card-text-muted {
  color: #6b7280;
  font-weight: 400;
}

.card-text-accent {
  color: #dc2626;
  font-weight: 600;
}

/* 深色卡片文字样式 */
.card-text-primary-dark {
  color: #ffffff;
  font-weight: 450;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.6);
}

.card-text-secondary-dark {
  color: #e5e7eb;
  font-weight: 400;
}

.card-text-muted-dark {
  color: #9ca3af;
  font-weight: 400;
}

/* 统计数据卡片 */
.stat-card {
  background: rgba(255, 255, 255, 0.75);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.45);
  border-radius: 0.75rem;
  transition: all 0.3s ease;
}

.stat-card:hover {
  background: rgba(255, 255, 255, 0.88);
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

/* 信息卡片 */
.info-card {
  background: rgba(255, 255, 255, 0.68);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid rgba(255, 255, 255, 0.4);
  border-radius: 1rem;
}

.info-card-content {
  background: rgba(249, 250, 251, 0.82);
  border-radius: 0.75rem;
  padding: 1rem;
}

/* 大学页面导航栏 - 半透明效果 */
.nav-blur {
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
  transition: all 0.3s ease;
}

.nav-blur:hover {
  background: rgba(255, 255, 255, 0.8);
}

.nav-blur.scrolled {
  background: rgba(255, 255, 255, 0.85);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.06);
}

/* 响应式调整 */
@media (max-width: 768px) {
  .glass-card {
    background: rgba(255, 255, 255, 0.85);
  }
  
  .stat-card {
    background: rgba(255, 255, 255, 0.88);
  }
  
  .nav-blur {
    background: rgba(255, 255, 255, 0.85);
  }
}

@media (prefers-contrast: high) {
  .glass-card {
    background: rgba(255, 255, 255, 0.92);
    border-color: rgba(0, 0, 0, 0.12);
  }
  
  .stat-card {
    background: rgba(255, 255, 255, 0.95);
  }
  
  .card-text-primary {
    color: #000000;
    font-weight: 500;
  }
  
  .card-text-secondary {
    color: #1f2937;
  }
  
  .nav-blur {
    background: rgba(255, 255, 255, 0.95);
  }
}

/* 弥散风格背景 - 基础样式 */
.diffuse-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -2;
  overflow: hidden;
}

.diffuse-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(70px);
  animation: float 25s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  25% { transform: translate(45px, -35px) scale(1.06); }
  50% { transform: translate(-35px, 45px) scale(0.94); }
  75% { transform: translate(25px, 20px) scale(1.03); }
}

/* 颗粒质感层 */
.grain-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  opacity: 0.25;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 400 400' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='4' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0.8'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
  background-repeat: repeat;
  mix-blend-mode: overlay;
}

/* ==================== 悉尼大学 - 红色系 ==================== */
/* 布局特征：左上角大块 + 右下角点缀 */
.diffuse-sydney .diffuse-blob-1 { width: 500px; height: 500px; top: -150px; left: -150px; opacity: 0.75; animation-delay: 0s; }
.diffuse-sydney .diffuse-blob-2 { width: 320px; height: 320px; top: 40%; right: -60px; opacity: 0.6; animation-delay: -8s; }
.diffuse-sydney .diffuse-blob-3 { width: 280px; height: 280px; bottom: -80px; left: 15%; opacity: 0.55; animation-delay: -15s; }
.diffuse-sydney .diffuse-blob-4 { width: 200px; height: 200px; top: 65%; left: 35%; opacity: 0.45; animation-delay: -5s; }

.diffuse-sydney .diffuse-blob-1 { background: radial-gradient(circle at 40% 40%, rgba(220, 38, 38, 0.7) 0%, rgba(185, 28, 28, 0.5) 30%, transparent 75%); }
.diffuse-sydney .diffuse-blob-2 { background: radial-gradient(circle at 60% 60%, rgba(239, 68, 68, 0.6) 0%, rgba(248, 113, 113, 0.4) 40%, transparent 80%); }
.diffuse-sydney .diffuse-blob-3 { background: radial-gradient(circle at 30% 70%, rgba(153, 27, 27, 0.65) 0%, rgba(220, 38, 38, 0.45) 35%, transparent 75%); }
.diffuse-sydney .diffuse-blob-4 { background: radial-gradient(circle at 50% 50%, rgba(252, 165, 165, 0.5) 0%, rgba(254, 226, 226, 0.3) 45%, transparent 80%); }

/* ==================== 新南威尔士大学 - 金黄黄色系 ==================== */
/* 布局特征：右侧大块 + 顶部居中点缀 */
.diffuse-unsw .diffuse-blob-1 { width: 480px; height: 480px; top: -80px; right: -120px; opacity: 0.65; animation-delay: -3s; }
.diffuse-unsw .diffuse-blob-2 { width: 350px; height: 350px; top: -50px; left: 20%; opacity: 0.52; animation-delay: -12s; }
.diffuse-unsw .diffuse-blob-3 { width: 280px; height: 280px; bottom: -60px; right: 25%; opacity: 0.45; animation-delay: -20s; }
.diffuse-unsw .diffuse-blob-4 { width: 200px; height: 200px; top: 55%; left: 15%; opacity: 0.38; animation-delay: -7s; }
.diffuse-unsw .diffuse-blob-5 { width: 160px; height: 160px; bottom: 35%; left: 45%; opacity: 0.3; animation-delay: -15s; }

.diffuse-unsw .diffuse-blob-1 { background: radial-gradient(circle at 60% 30%, rgba(245, 158, 11, 0.55) 0%, rgba(251, 191, 36, 0.38) 35%, transparent 75%); }
.diffuse-unsw .diffuse-blob-2 { background: radial-gradient(circle at 40% 70%, rgba(251, 191, 36, 0.45) 0%, rgba(252, 211, 77, 0.32) 40%, transparent 80%); }
.diffuse-unsw .diffuse-blob-3 { background: radial-gradient(circle at 70% 60%, rgba(217, 119, 6, 0.48) 0%, rgba(245, 158, 11, 0.32) 35%, transparent 75%); }
.diffuse-unsw .diffuse-blob-4 { background: radial-gradient(circle at 50% 50%, rgba(252, 211, 77, 0.38) 0%, rgba(254, 243, 199, 0.24) 45%, transparent 80%); }
.diffuse-unsw .diffuse-blob-5 { background: radial-gradient(circle at 50% 50%, rgba(251, 191, 36, 0.3) 0%, rgba(252, 211, 77, 0.18) 40%, transparent 75%); }

/* ==================== 墨尔本大学 - 深蓝色系 ==================== */
/* 布局特征：底部大块 + 右上角点缀 */
.diffuse-melbourne .diffuse-blob-1 { width: 520px; height: 520px; bottom: -180px; left: -100px; opacity: 0.78; animation-delay: -5s; }
.diffuse-melbourne .diffuse-blob-2 { width: 380px; height: 380px; top: -60px; right: -80px; opacity: 0.62; animation-delay: -18s; }
.diffuse-melbourne .diffuse-blob-3 { width: 240px; height: 240px; top: 50%; left: 70%; opacity: 0.48; animation-delay: -10s; }
.diffuse-melbourne .diffuse-blob-4 { width: 160px; height: 160px; bottom: 30%; right: 30%; opacity: 0.38; animation-delay: -22s; }

.diffuse-melbourne .diffuse-blob-1 { background: radial-gradient(circle at 30% 70%, rgba(30, 58, 95, 0.75) 0%, rgba(15, 23, 42, 0.55) 30%, transparent 75%); }
.diffuse-melbourne .diffuse-blob-2 { background: radial-gradient(circle at 80% 20%, rgba(59, 130, 246, 0.65) 0%, rgba(147, 197, 253, 0.45) 40%, transparent 80%); }
.diffuse-melbourne .diffuse-blob-3 { background: radial-gradient(circle at 60% 40%, rgba(15, 23, 42, 0.68) 0%, rgba(30, 58, 95, 0.48) 35%, transparent 75%); }
.diffuse-melbourne .diffuse-blob-4 { background: radial-gradient(circle at 50% 50%, rgba(147, 197, 253, 0.52) 0%, rgba(219, 234, 254, 0.3) 45%, transparent 80%); }

/* ==================== 澳大利亚国立大学 - 土棕黄色系 ==================== */
/* 布局特征：中央大块 + 四角点缀 */
.diffuse-anu .diffuse-blob-1 { width: 440px; height: 440px; top: 25%; left: 25%; opacity: 0.65; animation-delay: -7s; }
.diffuse-anu .diffuse-blob-2 { width: 320px; height: 320px; top: -100px; left: -80px; opacity: 0.52; animation-delay: -15s; }
.diffuse-anu .diffuse-blob-3 { width: 260px; height: 260px; bottom: -40px; right: -60px; opacity: 0.45; animation-delay: -25s; }
.diffuse-anu .diffuse-blob-4 { width: 180px; height: 180px; top: 60%; right: 20%; opacity: 0.38; animation-delay: -10s; }
.diffuse-anu .diffuse-blob-5 { width: 150px; height: 150px; bottom: 25%; left: 30%; opacity: 0.3; animation-delay: -18s; }

.diffuse-anu .diffuse-blob-1 { background: radial-gradient(circle at 50% 50%, rgba(180, 142, 46, 0.65) 0%, rgba(217, 164, 6, 0.45) 35%, transparent 75%); }
.diffuse-anu .diffuse-blob-2 { background: radial-gradient(circle at 30% 30%, rgba(234, 179, 8, 0.55) 0%, rgba(253, 224, 71, 0.38) 40%, transparent 80%); }
.diffuse-anu .diffuse-blob-3 { background: radial-gradient(circle at 70% 70%, rgba(143, 109, 38, 0.58) 0%, rgba(180, 142, 46, 0.38) 35%, transparent 75%); }
.diffuse-anu .diffuse-blob-4 { background: radial-gradient(circle at 60% 40%, rgba(253, 224, 71, 0.45) 0%, rgba(255, 236, 179, 0.28) 45%, transparent 80%); }
.diffuse-anu .diffuse-blob-5 { background: radial-gradient(circle at 50% 50%, rgba(217, 164, 6, 0.35) 0%, rgba(234, 179, 8, 0.22) 40%, transparent 75%); }

/* ==================== 蒙纳士大学 - 清新蓝色系 ==================== */
/* 布局特征：左上角 + 右下角对称分布 */
.diffuse-monash .diffuse-blob-1 { width: 460px; height: 460px; top: -120px; left: -80px; opacity: 0.62; animation-delay: -2s; }
.diffuse-monash .diffuse-blob-2 { width: 360px; height: 360px; bottom: -100px; right: -100px; opacity: 0.52; animation-delay: -16s; }
.diffuse-monash .diffuse-blob-3 { width: 280px; height: 280px; top: 55%; left: 60%; opacity: 0.45; animation-delay: -9s; }
.diffuse-monash .diffuse-blob-4 { width: 200px; height: 200px; bottom: 25%; left: 15%; opacity: 0.38; animation-delay: -22s; }
.diffuse-monash .diffuse-blob-5 { width: 160px; height: 160px; top: 30%; right: 35%; opacity: 0.3; animation-delay: -14s; }

.diffuse-monash .diffuse-blob-1 { background: radial-gradient(circle at 30% 30%, rgba(59, 130, 246, 0.6) 0%, rgba(96, 165, 250, 0.42) 30%, transparent 75%); }
.diffuse-monash .diffuse-blob-2 { background: radial-gradient(circle at 70% 70%, rgba(147, 197, 253, 0.55) 0%, rgba(191, 219, 254, 0.38) 40%, transparent 80%); }
.diffuse-monash .diffuse-blob-3 { background: radial-gradient(circle at 60% 40%, rgba(30, 58, 95, 0.48) 0%, rgba(59, 130, 246, 0.32) 35%, transparent 75%); }
.diffuse-monash .diffuse-blob-4 { background: radial-gradient(circle at 40% 60%, rgba(191, 219, 254, 0.48) 0%, rgba(219, 234, 254, 0.28) 45%, transparent 80%); }
.diffuse-monash .diffuse-blob-5 { background: radial-gradient(circle at 50% 50%, rgba(96, 165, 250, 0.35) 0%, rgba(147, 197, 253, 0.22) 40%, transparent 75%); }

/* ==================== 昆士兰大学 - 紫色系 ==================== */
/* 布局特征：右侧大块 + 顶部点缀 */
.diffuse-uq .diffuse-blob-1 { width: 440px; height: 440px; top: 15%; right: -140px; opacity: 0.75; animation-delay: -4s; }
.diffuse-uq .diffuse-blob-2 { width: 320px; height: 320px; top: -60px; left: 10%; opacity: 0.6; animation-delay: -14s; }
.diffuse-uq .diffuse-blob-3 { width: 240px; height: 240px; bottom: -50px; left: 35%; opacity: 0.53; animation-delay: -20s; }
.diffuse-uq .diffuse-blob-4 { width: 170px; height: 170px; top: 70%; left: 20%; opacity: 0.43; animation-delay: -8s; }

.diffuse-uq .diffuse-blob-1 { background: radial-gradient(circle at 70% 30%, rgba(76, 29, 149, 0.72) 0%, rgba(55, 48, 163, 0.52) 30%, transparent 75%); }
.diffuse-uq .diffuse-blob-2 { background: radial-gradient(circle at 30% 70%, rgba(167, 139, 250, 0.62) 0%, rgba(216, 180, 254, 0.42) 40%, transparent 80%); }
.diffuse-uq .diffuse-blob-3 { background: radial-gradient(circle at 40% 60%, rgba(55, 48, 163, 0.65) 0%, rgba(76, 29, 149, 0.45) 35%, transparent 75%); }
.diffuse-uq .diffuse-blob-4 { background: radial-gradient(circle at 50% 50%, rgba(216, 180, 254, 0.5) 0%, rgba(243, 232, 255, 0.28) 45%, transparent 80%); }

/* ==================== 西澳大学 - 清新蓝色系 ==================== */
/* 布局特征：底部大块 + 左上角点缀 */
.diffuse-uwa .diffuse-blob-1 { width: 480px; height: 480px; bottom: -150px; left: -120px; opacity: 0.65; animation-delay: -6s; }
.diffuse-uwa .diffuse-blob-2 { width: 350px; height: 350px; top: -80px; right: -50px; opacity: 0.52; animation-delay: -18s; }
.diffuse-uwa .diffuse-blob-3 { width: 280px; height: 280px; top: 60%; right: 15%; opacity: 0.45; animation-delay: -12s; }
.diffuse-uwa .diffuse-blob-4 { width: 200px; height: 200px; bottom: 40%; left: 65%; opacity: 0.38; animation-delay: -24s; }
.diffuse-uwa .diffuse-blob-5 { width: 160px; height: 160px; top: 35%; left: 15%; opacity: 0.3; animation-delay: -17s; }

.diffuse-uwa .diffuse-blob-1 { background: radial-gradient(circle at 20% 80%, rgba(59, 130, 246, 0.65) 0%, rgba(96, 165, 250, 0.45) 30%, transparent 75%); }
.diffuse-uwa .diffuse-blob-2 { background: radial-gradient(circle at 90% 20%, rgba(147, 197, 253, 0.55) 0%, rgba(191, 219, 254, 0.38) 40%, transparent 80%); }
.diffuse-uwa .diffuse-blob-3 { background: radial-gradient(circle at 80% 50%, rgba(30, 58, 95, 0.5) 0%, rgba(59, 130, 246, 0.35) 35%, transparent 75%); }
.diffuse-uwa .diffuse-blob-4 { background: radial-gradient(circle at 50% 50%, rgba(191, 219, 254, 0.45) 0%, rgba(219, 234, 254, 0.28) 45%, transparent 80%); }
.diffuse-uwa .diffuse-blob-5 { background: radial-gradient(circle at 40% 40%, rgba(96, 165, 250, 0.38) 0%, rgba(147, 197, 253, 0.22) 40%, transparent 75%); }

/* ==================== 阿德莱德大学 - 深蓝色系 ==================== */
/* 布局特征：顶部大块 + 左下角点缀 */
.diffuse-adelaide .diffuse-blob-1 { width: 450px; height: 450px; top: -160px; left: 15%; opacity: 0.65; animation-delay: -1s; }
.diffuse-adelaide .diffuse-blob-2 { width: 340px; height: 340px; bottom: -90px; left: -70px; opacity: 0.52; animation-delay: -17s; }
.diffuse-adelaide .diffuse-blob-3 { width: 260px; height: 260px; top: 50%; right: -40px; opacity: 0.45; animation-delay: -11s; }
.diffuse-adelaide .diffuse-blob-4 { width: 180px; height: 180px; bottom: 35%; right: 30%; opacity: 0.38; animation-delay: -21s; }
.diffuse-adelaide .diffuse-blob-5 { width: 150px; height: 150px; top: 40%; left: 20%; opacity: 0.3; animation-delay: -14s; }

.diffuse-adelaide .diffuse-blob-1 { background: radial-gradient(circle at 50% 20%, rgba(20, 15, 80, 0.65) 0%, rgba(37, 28, 128, 0.45) 30%, transparent 75%); }
.diffuse-adelaide .diffuse-blob-2 { background: radial-gradient(circle at 20% 80%, rgba(15, 12, 60, 0.55) 0%, rgba(30, 24, 100, 0.38) 40%, transparent 80%); }
.diffuse-adelaide .diffuse-blob-3 { background: radial-gradient(circle at 80% 50%, rgba(25, 18, 95, 0.58) 0%, rgba(40, 32, 140, 0.38) 35%, transparent 75%); }
.diffuse-adelaide .diffuse-blob-4 { background: radial-gradient(circle at 60% 60%, rgba(30, 24, 100, 0.45) 0%, rgba(50, 40, 160, 0.28) 45%, transparent 80%); }
.diffuse-adelaide .diffuse-blob-5 { background: radial-gradient(circle at 50% 50%, rgba(35, 28, 110, 0.35) 0%, rgba(45, 36, 130, 0.22) 40%, transparent 75%); }

/* ==================== 悉尼科技大学 - 科技蓝色系 ==================== */
/* 布局特征：右侧大块 + 底部点缀 */
.diffuse-uts .diffuse-blob-1 { width: 430px; height: 430px; top: 20%; right: -130px; opacity: 0.65; animation-delay: -9s; }
.diffuse-uts .diffuse-blob-2 { width: 340px; height: 340px; bottom: -70px; left: -50px; opacity: 0.53; animation-delay: -23s; }
.diffuse-uts .diffuse-blob-3 { width: 260px; height: 260px; top: -40px; left: 40%; opacity: 0.45; animation-delay: -13s; }
.diffuse-uts .diffuse-blob-4 { width: 200px; height: 200px; top: 75%; left: 50%; opacity: 0.38; animation-delay: -6s; }
.diffuse-uts .diffuse-blob-5 { width: 160px; height: 160px; bottom: 25%; right: 40%; opacity: 0.3; animation-delay: -19s; }

.diffuse-uts .diffuse-blob-1 { background: radial-gradient(circle at 75% 35%, rgba(37, 99, 235, 0.65) 0%, rgba(64, 115, 255, 0.48) 30%, transparent 75%); }
.diffuse-uts .diffuse-blob-2 { background: radial-gradient(circle at 20% 75%, rgba(96, 165, 250, 0.55) 0%, rgba(147, 197, 253, 0.38) 40%, transparent 80%); }
.diffuse-uts .diffuse-blob-3 { background: radial-gradient(circle at 50% 20%, rgba(59, 130, 246, 0.52) 0%, rgba(96, 165, 250, 0.35) 35%, transparent 75%); }
.diffuse-uts .diffuse-blob-4 { background: radial-gradient(circle at 50% 50%, rgba(147, 197, 253, 0.48) 0%, rgba(191, 219, 254, 0.28) 45%, transparent 80%); }
.diffuse-uts .diffuse-blob-5 { background: radial-gradient(circle at 60% 50%, rgba(64, 115, 255, 0.35) 0%, rgba(96, 165, 250, 0.22) 40%, transparent 75%); }

/* ==================== 皇家墨尔本理工大学 - 红橙色系 ==================== */
/* 布局特征：中央偏左上大块 + 右侧点缀 */
.diffuse-rmit .diffuse-blob-1 { width: 470px; height: 470px; top: -100px; left: -100px; opacity: 0.74; animation-delay: -8s; }
.diffuse-rmit .diffuse-blob-2 { width: 320px; height: 320px; top: 45%; right: -70px; opacity: 0.59; animation-delay: -19s; }
.diffuse-rmit .diffuse-blob-3 { width: 240px; height: 240px; bottom: -60px; left: 40%; opacity: 0.53; animation-delay: -14s; }
.diffuse-rmit .diffuse-blob-4 { width: 160px; height: 160px; top: 65%; left: 25%; opacity: 0.42; animation-delay: -24s; }

.diffuse-rmit .diffuse-blob-1 { background: radial-gradient(circle at 30% 30%, rgba(220, 38, 38, 0.72) 0%, rgba(185, 28, 28, 0.52) 30%, transparent 75%); }
.diffuse-rmit .diffuse-blob-2 { background: radial-gradient(circle at 80% 50%, rgba(239, 68, 68, 0.6) 0%, rgba(248, 113, 113, 0.4) 40%, transparent 80%); }
.diffuse-rmit .diffuse-blob-3 { background: radial-gradient(circle at 50% 75%, rgba(153, 27, 27, 0.65) 0%, rgba(220, 38, 38, 0.45) 35%, transparent 75%); }
.diffuse-rmit .diffuse-blob-4 { background: radial-gradient(circle at 40% 60%, rgba(252, 165, 165, 0.48) 0%, rgba(254, 226, 226, 0.28) 45%, transparent 80%); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}