@charset "UTF-8";
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800;900&family=Noto+Sans+SC:wght@400;500;700;900&display=swap');

/* ==========================================================================
   红杏云机场 - 科技白 + 动态红 设计系统与全局样式表 (重构 Hero 专版)
   ========================================================================== */

:root {
  /* 科技白底色调 */
  --bg-primary: #FAFCFF;
  --bg-surface: #FFFFFF;
  --bg-subtle: #F1F5F9;
  --bg-glass: rgba(255, 255, 255, 0.85);

  /* 核心科技红与渐变 */
  --red-50: #FFF1F2;
  --red-100: #FFE4E6;
  --red-500: #EF4444;
  --red-600: #DC2626;
  --red-700: #B91C1C;
  --red-gradient: linear-gradient(135deg, #FF2E55 0%, #E11D48 100%);
  --red-text-gradient: linear-gradient(135deg, #0F172A 20%, #E11D48 70%, #FF2E55 100%);
  --red-glow: 0 10px 30px -5px rgba(225, 29, 72, 0.4);

  /* 文字与中性色彩 */
  --text-main: #0F172A;
  --text-muted: #475569;
  --text-light: #94A3B8;

  /* 边框与阴影 */
  --border-light: rgba(226, 232, 240, 0.9);
  --border-red: rgba(239, 68, 68, 0.25);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 10px 25px -5px rgba(15, 23, 42, 0.06), 0 8px 10px -6px rgba(15, 23, 42, 0.04);
  --shadow-lg: 0 20px 35px -10px rgba(15, 23, 42, 0.08), 0 10px 15px -5px rgba(225, 29, 72, 0.1);
  --shadow-hero: 0 25px 60px -15px rgba(225, 29, 72, 0.18), 0 15px 35px -10px rgba(15, 23, 42, 0.08);

  --font-sans: 'Plus Jakarta Sans', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
}

/* 全局重置 */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
  -webkit-font-smoothing: antialiased;
}

/* 背景 Canvas 粒子定位 */
#tech-bg-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 0;
  pointer-events: none;
}

.page-wrapper {
  position: relative;
  z-index: 1;
}

.container {
  width: 100%;
  max-width: 1240px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

/* 玻璃拟态导航栏 */
.glass-nav {
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-light);
}

/* 按钮样式 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.95rem;
  padding: 0.75rem 1.75rem;
  border-radius: 9999px;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
  text-decoration: none;
  border: none;
  gap: 0.5rem;
}

.btn-primary-red {
  background: var(--red-gradient);
  color: #FFFFFF;
  box-shadow: var(--red-glow);
  position: relative;
  overflow: hidden;
}

.btn-primary-red::before {
  content: '';
  position: absolute;
  top: 0; left: -100%;
  width: 100%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
  transition: 0.6s;
}

.btn-primary-red:hover::before {
  left: 100%;
}

.btn-primary-red:hover {
  transform: translateY(-3px);
  box-shadow: 0 18px 40px -5px rgba(225, 29, 72, 0.55);
  filter: brightness(1.05);
}

.btn-secondary-white {
  background: #FFFFFF;
  color: var(--text-main);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
}

.btn-secondary-white:hover {
  border-color: var(--red-500);
  color: var(--red-600);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

/* 红色发光标签 */
.badge-red-glow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1.1rem;
  border-radius: 9999px;
  background: rgba(255, 241, 242, 0.9);
  border: 1px solid rgba(254, 205, 211, 0.9);
  color: var(--red-600);
  font-size: 0.85rem;
  font-weight: 700;
  box-shadow: 0 4px 15px -2px rgba(225, 29, 72, 0.12);
}

.badge-red-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--red-500);
  box-shadow: 0 0 10px var(--red-500);
  animation: pulse-glow 2s infinite;
}

@keyframes pulse-glow {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.3); opacity: 0.6; }
}

/* ==========================================================================
   Hero 核心区域全新大改动样式 (Mesh Glow, Centered Layout, Cyber Visualizer)
   ========================================================================== */

/* Hero 弥散红色科技光晕背景 */
.hero-mesh-glow {
  position: absolute;
  top: -10%;
  left: 50%;
  transform: translateX(-50%);
  width: 1000px;
  height: 600px;
  background: radial-gradient(circle, rgba(255, 46, 85, 0.14) 0%, rgba(225, 29, 72, 0.05) 45%, rgba(255, 255, 255, 0) 70%);
  filter: blur(50px);
  pointer-events: none;
  z-index: -1;
  animation: mesh-float 8s ease-in-out infinite alternate;
}

@keyframes mesh-float {
  0% { transform: translateX(-50%) scale(1) translateY(0); }
  100% { transform: translateX(-50%) scale(1.1) translateY(20px); }
}

/* 居中标题渐变流光文字 */
.hero-title-gradient {
  background: linear-gradient(135deg, #0F172A 0%, #1E293B 40%, #E11D48 80%, #FF2E55 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* 悬浮微卡片 (Floating Badges) 浮动动效 */
.floating-card-left {
  animation: float-left 6s ease-in-out infinite alternate;
}

.floating-card-right {
  animation: float-right 7s ease-in-out infinite alternate;
}

@keyframes float-left {
  0% { transform: translateY(0px) rotate(-1deg); }
  100% { transform: translateY(-12px) rotate(1deg); }
}

@keyframes float-right {
  0% { transform: translateY(0px) rotate(1deg); }
  100% { transform: translateY(-14px) rotate(-1deg); }
}

/* Cyber 控制台主框架 */
.cyber-dashboard {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(226, 232, 240, 0.95);
  box-shadow: var(--shadow-hero);
  border-radius: 2rem;
  position: relative;
  overflow: hidden;
}

.cyber-dashboard::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--red-gradient);
}

/* 地区 Tab 按钮 */
.region-tab-btn {
  padding: 0.5rem 1.25rem;
  border-radius: 9999px;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-muted);
  background: var(--bg-subtle);
  border: 1px solid transparent;
  transition: all 0.2s ease;
  cursor: pointer;
}

.region-tab-btn.active {
  background: var(--red-50);
  color: var(--red-600);
  border-color: var(--red-200);
  box-shadow: 0 4px 12px -2px rgba(225, 29, 72, 0.15);
}

/* 流媒体图标卡片 */
.unlock-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.85rem;
  border-radius: 0.65rem;
  background: #F8FAFC;
  border: 1px solid #E2E8F0;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-main);
  transition: all 0.2s ease;
}

.unlock-badge:hover {
  border-color: var(--red-300);
  color: var(--red-600);
  background: #FFF1F2;
}

/* 卡片和 Bento 网格通用的 hover 表现 */
.tech-card {
  background: #FFFFFF;
  border: 1px solid var(--border-light);
  border-radius: 1.25rem;
  padding: 2rem;
  box-shadow: var(--shadow-md);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.tech-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; width: 100%; height: 4px;
  background: transparent;
  transition: background 0.3s ease;
}

.tech-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(239, 68, 68, 0.3);
}

.tech-card:hover::before {
  background: var(--red-gradient);
}

.bento-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 1.5rem;
}

.bento-span-4 { grid-column: span 4; }
.bento-span-6 { grid-column: span 6; }
.bento-span-8 { grid-column: span 8; }
.bento-span-12 { grid-column: span 12; }

@media (max-width: 1024px) {
  .bento-span-4, .bento-span-6, .bento-span-8 {
    grid-column: span 12;
  }
}

.section-title-gradient {
  background: linear-gradient(135deg, #0F172A 0%, #334155 50%, #E11D48 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.icon-box-red {
  width: 3.25rem;
  height: 3.25rem;
  border-radius: 0.85rem;
  background: var(--red-50);
  color: var(--red-600);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--red-100);
  transition: all 0.3s ease;
}

.tech-card:hover .icon-box-red {
  background: var(--red-gradient);
  color: #FFFFFF;
  box-shadow: 0 8px 20px -3px rgba(225, 29, 72, 0.4);
}

.recommended-badge {
  position: absolute;
  top: 1rem;
  right: -2rem;
  background: var(--red-gradient);
  color: #FFFFFF;
  font-size: 0.75rem;
  font-weight: 800;
  padding: 0.25rem 2.5rem;
  transform: rotate(45deg);
  box-shadow: 0 4px 10px rgba(225, 29, 72, 0.3);
  letter-spacing: 1px;
}

.toggle-switch {
  position: relative;
  display: inline-block;
  width: 56px;
  height: 30px;
}

.toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider {
  position: absolute;
  cursor: pointer;
  top: 0; left: 0; right: 0; bottom: 0;
  background-color: #CBD5E1;
  transition: .3s;
  border-radius: 34px;
}

.slider:before {
  position: absolute;
  content: "";
  height: 22px;
  width: 22px;
  left: 4px;
  bottom: 4px;
  background-color: white;
  transition: .3s;
  border-radius: 50%;
  box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

input:checked + .slider {
  background: var(--red-gradient);
}

input:checked + .slider:before {
  transform: translateX(26px);
}

.article-body h2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-main);
  margin-top: 2rem;
  margin-bottom: 1rem;
  border-left: 4px solid var(--red-500);
  padding-left: 0.75rem;
}

.article-body h3 {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text-main);
  margin-top: 1.5rem;
  margin-bottom: 0.75rem;
}

.article-body p {
  color: var(--text-muted);
  font-size: 1rem;
  line-height: 1.8;
  margin-bottom: 1.25rem;
}

.article-body ul, .article-body ol {
  margin-left: 1.5rem;
  margin-bottom: 1.25rem;
  color: var(--text-muted);
}

.article-body li {
  margin-bottom: 0.5rem;
}