/* 
 * 520 女朋友专属网站 - 全局样式
 * 电影感 · 高级感 · Apple风格
 */

/* ========== 基础重置 ========== */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: 'HarmonyOS Sans SC', -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  background: linear-gradient(135deg, #0a0a0f 0%, #0f0f1a 50%, #0a0a0f 100%);
  color: #f5f5f7;
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ========== 颜色变量 ========== */
:root {
  --bg-primary: #0a0a0f;
  --bg-secondary: #12121a;
  --bg-tertiary: #1a1a25;
  --text-primary: #f5f5f7;
  --text-secondary: rgba(245, 245, 247, 0.7);
  --text-tertiary: rgba(245, 245, 247, 0.5);
  --accent: #6366f1;
  --accent-light: #818cf8;
  --accent-glow: rgba(99, 102, 241, 0.3);
  --glass: rgba(255, 255, 255, 0.05);
  --glass-border: rgba(255, 255, 255, 0.1);
  --star-blue: #1e3a5f;
  --milk-white: rgba(255, 255, 255, 0.95);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 16px 64px rgba(0, 0, 0, 0.5);
  --radius-sm: 12px;
  --radius-md: 20px;
  --radius-lg: 32px;
  --radius-xl: 48px;
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ========== 选中文本颜色 ========== */
::selection {
  background: var(--accent);
  color: white;
}

/* ========== 滚动条样式 ========== */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
  background: var(--glass-border);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-tertiary);
}

/* ========== 全局容器 ========== */
.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 24px;
}

@media (max-width: 768px) {
  .container {
    padding: 0 16px;
  }
}

/* ========== 毛玻璃效果 ========== */
.glass {
  background: var(--glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
}

.glass-strong {
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(40px);
  -webkit-backdrop-filter: blur(40px);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

/* ========== 星空背景 ========== */
.starfield {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.star {
  position: absolute;
  width: 2px;
  height: 2px;
  background: white;
  border-radius: 50%;
  opacity: 0;
  animation: twinkle var(--duration, 3s) ease-in-out infinite;
  animation-delay: var(--delay, 0s);
}

@keyframes twinkle {
  0%, 100% { opacity: 0; transform: scale(0.5); }
  50% { opacity: var(--max-opacity, 0.8); transform: scale(1); }
}

/* ========== 光斑效果 ========== */
.orb {
  position: fixed;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.15;
  pointer-events: none;
  animation: float 20s ease-in-out infinite;
}

.orb-1 {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--accent) 0%, transparent 70%);
  top: -200px;
  right: -200px;
  animation-delay: 0s;
}

.orb-2 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, #ec4899 0%, transparent 70%);
  bottom: -100px;
  left: -100px;
  animation-delay: -10s;
}

.orb-3 {
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, #06b6d4 0%, transparent 70%);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation-delay: -5s;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  25% { transform: translate(30px, -30px) scale(1.05); }
  50% { transform: translate(-20px, 20px) scale(0.95); }
  75% { transform: translate(20px, 30px) scale(1.02); }
}

/* ========== 导航栏 ========== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 20px 0;
  transition: var(--transition-smooth);
}

.nav.scrolled {
  background: rgba(10, 10, 15, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
  padding: 12px 0;
}

.nav-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-logo {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  text-decoration: none;
  letter-spacing: -0.02em;
  transition: var(--transition-fast);
}

.nav-logo:hover {
  color: var(--accent-light);
}

.nav-links {
  display: flex;
  gap: 32px;
  list-style: none;
}

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

.nav-link {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  text-decoration: none;
  transition: var(--transition-fast);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: var(--transition-fast);
}

.nav-link:hover {
  color: var(--text-primary);
}

.nav-link:hover::after {
  width: 100%;
}

.nav-link.active {
  color: var(--text-primary);
}

.nav-link.active::after {
  width: 100%;
}

/* ========== 移动端菜单按钮 ========== */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  z-index: 101;
}

@media (max-width: 768px) {
  .menu-toggle {
    display: flex;
  }
}

.menu-toggle span {
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: var(--transition-fast);
}

.menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ========== 移动端菜单 ========== */
.mobile-menu {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(10, 10, 15, 0.95);
  backdrop-filter: blur(30px);
  -webkit-backdrop-filter: blur(30px);
  z-index: 99;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 32px;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-smooth);
}

.mobile-menu.active {
  opacity: 1;
  visibility: visible;
}

.mobile-menu .nav-link {
  font-size: 1.5rem;
  font-weight: 500;
}

/* ========== Hero 区域 ========== */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  position: relative;
  padding: 120px 24px 80px;
  overflow: hidden;
}

.hero-content {
  position: relative;
  z-index: 10;
  max-width: 800px;
}

.hero-title {
  font-size: clamp(3rem, 10vw, 6rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 32px;
  background: linear-gradient(135deg, #fff 0%, #d1d5db 50%, #fff 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: shimmer 3s ease-in-out infinite;
  background-size: 200% 200%;
}

@keyframes shimmer {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

.hero-names {
  font-size: clamp(2.5rem, 8vw, 5rem);
  font-weight: 300;
  letter-spacing: 0.1em;
  margin-bottom: 48px;
  color: var(--text-primary);
}

.hero-names span {
  color: var(--accent-light);
}

/* ========== 计时器 ========== */
.timer {
  margin: 48px 0;
}

.timer-label {
  font-size: 1rem;
  color: var(--text-secondary);
  margin-bottom: 16px;
  font-weight: 400;
}

.timer-display {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

@media (max-width: 480px) {
  .timer-display {
    gap: 8px;
  }
}

.timer-item {
  text-align: center;
  min-width: 80px;
}

@media (max-width: 480px) {
  .timer-item {
    min-width: 60px;
  }
}

.timer-number {
  font-size: clamp(2rem, 6vw, 3.5rem);
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1;
  margin-bottom: 8px;
  font-variant-numeric: tabular-nums;
}

.timer-unit {
  font-size: 0.75rem;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* ========== 引用文字 ========== */
.quote {
  font-size: 1.125rem;
  color: var(--text-secondary);
  font-style: italic;
  margin: 48px 0;
  line-height: 1.8;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* ========== 按钮 ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 16px 32px;
  font-size: 1rem;
  font-weight: 500;
  border-radius: var(--radius-xl);
  text-decoration: none;
  transition: var(--transition-smooth);
  cursor: pointer;
  border: none;
  font-family: inherit;
}

.btn-primary {
  background: var(--accent);
  color: white;
  box-shadow: 0 4px 24px var(--accent-glow);
}

.btn-primary:hover {
  background: var(--accent-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 32px var(--accent-glow);
}

.btn-secondary {
  background: var(--glass);
  color: var(--text-primary);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
}

/* ========== 页面标题 ========== */
.page-header {
  padding: 160px 0 80px;
  text-align: center;
  position: relative;
  z-index: 10;
}

.page-title {
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
  color: var(--text-primary);
}

.page-subtitle {
  font-size: 1.125rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* ========== 卡片 ========== */
.card {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: var(--transition-smooth);
}

.card:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.15);
  transform: translateY(-4px);
}

/* ========== 时间线样式 ========== */
.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
  padding: 40px 0;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 2px;
  height: 100%;
  background: linear-gradient(to bottom, transparent, var(--glass-border) 10%, var(--glass-border) 90%, transparent);
}

@media (max-width: 768px) {
  .timeline::before {
    left: 20px;
  }
}

.timeline-item {
  position: relative;
  margin-bottom: 60px;
  width: 50%;
  padding-right: 50px;
}

.timeline-item:nth-child(even) {
  margin-left: 50%;
  padding-right: 0;
  padding-left: 50px;
}

@media (max-width: 768px) {
  .timeline-item,
  .timeline-item:nth-child(even) {
    width: 100%;
    margin-left: 0;
    padding-left: 50px;
    padding-right: 0;
  }
}

.timeline-dot {
  position: absolute;
  right: -8px;
  top: 24px;
  width: 16px;
  height: 16px;
  background: var(--accent);
  border-radius: 50%;
  border: 3px solid var(--bg-primary);
  box-shadow: 0 0 20px var(--accent-glow);
}

.timeline-item:nth-child(even) .timeline-dot {
  right: auto;
  left: -8px;
}

@media (max-width: 768px) {
  .timeline-dot,
  .timeline-item:nth-child(even) .timeline-dot {
    left: 12px;
    right: auto;
  }
}

.timeline-content {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 24px;
  transition: var(--transition-smooth);
}

.timeline-content:hover {
  background: rgba(255, 255, 255, 0.08);
  transform: translateY(-2px);
}

.timeline-date {
  font-size: 0.875rem;
  color: var(--accent-light);
  margin-bottom: 8px;
  font-weight: 500;
}

.timeline-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.timeline-text {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ========== 相册样式 ========== */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
  padding: 40px 0;
}

@media (max-width: 480px) {
  .gallery-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
}

.gallery-item {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  cursor: pointer;
  aspect-ratio: 3/4;
  background: var(--bg-tertiary);
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-smooth);
}

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

.gallery-item-info {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 60px 20px 20px;
  background: linear-gradient(to top, rgba(0,0,0,0.8) 0%, transparent 100%);
  transform: translateY(100%);
  transition: var(--transition-smooth);
}

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

.gallery-item-title {
  font-size: 1rem;
  font-weight: 600;
  color: white;
  margin-bottom: 4px;
}

.gallery-item-date {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.7);
}

/* ========== Lightbox ========== */
.lightbox {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.95);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-smooth);
}

.lightbox.active {
  opacity: 1;
  visibility: visible;
}

.lightbox-content {
  max-width: 90vw;
  max-height: 90vh;
  position: relative;
}

.lightbox-img {
  max-width: 100%;
  max-height: 90vh;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
}

.lightbox-close {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 48px;
  height: 48px;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition-fast);
  color: white;
  font-size: 24px;
}

.lightbox-close:hover {
  background: rgba(255, 255, 255, 0.15);
}

/* ========== 信件样式 ========== */
.letter {
  max-width: 800px;
  margin: 0 auto;
  padding: 60px 40px;
  position: relative;
}

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

.letter-title {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 48px;
  letter-spacing: 0.05em;
}

.letter-text {
  font-size: 1.125rem;
  color: var(--text-secondary);
  line-height: 2.2;
  margin-bottom: 48px;
}

.letter-text p {
  margin-bottom: 24px;
  animation: fadeInUp 0.8s ease forwards;
  opacity: 0;
}

.letter-signature {
  font-size: 1rem;
  color: var(--text-primary);
  margin-top: 48px;
  font-weight: 500;
}

.letter-date {
  font-size: 0.875rem;
  color: var(--text-tertiary);
  margin-top: 16px;
}

/* ========== 未来计划样式 ========== */
.future-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
  padding: 40px 0;
}

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

.future-card {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.future-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), #ec4899);
  opacity: 0;
  transition: var(--transition-smooth);
}

.future-card:hover::before {
  opacity: 1;
}

.future-card:hover {
  transform: translateY(-4px);
  background: rgba(255, 255, 255, 0.08);
}

.future-icon {
  width: 48px;
  height: 48px;
  background: var(--accent-glow);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 24px;
}

.future-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.future-description {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.future-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 20px;
  padding: 6px 12px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 500;
}

.future-status.pending {
  background: rgba(99, 102, 241, 0.2);
  color: var(--accent-light);
}

.future-status.in_progress {
  background: rgba(34, 197, 94, 0.2);
  color: #22c55e;
}

.future-status.forever {
  background: rgba(236, 72, 153, 0.2);
  color: #ec4899;
}

/* ========== 音乐播放器 ========== */
.music-player {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 50;
}

.music-btn {
  width: 56px;
  height: 56px;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition-smooth);
  position: relative;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.music-btn:hover {
  transform: scale(1.1);
  background: rgba(255, 255, 255, 0.1);
}

.music-btn.playing .vinyl {
  animation: spin 3s linear infinite;
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.vinyl {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent) 0%, #ec4899 100%);
  position: relative;
}

.vinyl::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 8px;
  height: 8px;
  background: var(--bg-primary);
  border-radius: 50%;
}

/* ========== 页脚 ========== */
.footer {
  padding: 80px 0 40px;
  text-align: center;
  position: relative;
  z-index: 10;
}

.footer-text {
  font-size: 0.875rem;
  color: var(--text-tertiary);
  margin-bottom: 8px;
}

.footer-heart {
  color: #ec4899;
  animation: heartbeat 1.5s ease infinite;
}

@keyframes heartbeat {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.1); }
}

/* ========== 动画类 ========== */
.fade-in {
  animation: fadeIn 0.8s ease forwards;
}

.fade-in-up {
  animation: fadeInUp 0.8s ease forwards;
}

.fade-in-down {
  animation: fadeInDown 0.8s ease forwards;
}

.scale-in {
  animation: scaleIn 0.8s ease forwards;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* ========== 彩蛋效果 ========== */
.easter-egg-active {
  animation: glowPulse 2s ease-in-out infinite;
}

@keyframes glowPulse {
  0%, 100% {
    box-shadow: 0 0 20px var(--accent-glow),
                0 0 40px var(--accent-glow),
                0 0 60px var(--accent-glow);
  }
  50% {
    box-shadow: 0 0 40px var(--accent-glow),
                0 0 80px var(--accent-glow),
                0 0 120px var(--accent-glow);
  }
}

/* ========== 烟花效果 ========== */
.firework {
  position: fixed;
  pointer-events: none;
  z-index: 9999;
}

.firework-particle {
  position: absolute;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  animation: fireworkExplode 1.5s ease-out forwards;
}

@keyframes fireworkExplode {
  0% {
    transform: translate(0, 0) scale(1);
    opacity: 1;
  }
  100% {
    transform: translate(var(--x), var(--y)) scale(0);
    opacity: 0;
  }
}

/* ========== 页面过渡 ========== */
.page-transition {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--bg-primary);
  z-index: 9998;
  transform: translateY(100%);
  transition: transform 0.6s cubic-bezier(0.7, 0, 0.3, 1);
}

.page-transition.active {
  transform: translateY(0);
}

/* ========== 工具类 ========== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mt-4 { margin-top: 32px; }
.mt-5 { margin-top: 48px; }

.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.mb-4 { margin-bottom: 32px; }
.mb-5 { margin-bottom: 48px; }

.hidden { display: none; }
.visible { display: block; }

/* ========== 响应式隐藏 ========== */
@media (max-width: 768px) {
  .hide-mobile { display: none !important; }
}

@media (min-width: 769px) {
  .hide-desktop { display: none !important; }
}

/* ========== 加载动画 ========== */
.loader {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--bg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}

.loader.hidden {
  opacity: 0;
  visibility: hidden;
}

.loader-heart {
  width: 60px;
  height: 60px;
  animation: heartbeat 1s ease infinite;
}

.loader-heart svg {
  width: 100%;
  height: 100%;
  fill: var(--accent);
}