/* =========================================
   云裳全能插件 - 前台美化设计系统 v4.0
   品牌: 云裳 (Yunshang)
   风格: 赛博二次元 · 玻璃拟态 · 梦幻渐变
   ========================================= */

:root {
  /* ---- 品牌色板 ---- */
  --yun-primary: #ff66cc;
  --yun-primary-light: #ff8bd6;
  --yun-primary-dark: #e050b0;
  --yun-secondary: #7ae7ff;
  --yun-secondary-light: #a8efff;
  --yun-secondary-dark: #4dd5f0;
  --yun-accent: #ffd66b;
  --yun-accent-light: #ffe699;
  --yun-accent-dark: #e6b830;
  --yun-purple: #c084fc;
  --yun-green: #34d399;

  /* ---- 语义色 ---- */
  --yun-success: #10b981;
  --yun-warning: #f59e0b;
  --yun-error: #ef4444;
  --yun-info: #3b82f6;

  /* ---- 圆角 ---- */
  --yun-radius-sm: 10px;
  --yun-radius: 16px;
  --yun-radius-lg: 20px;
  --yun-radius-xl: 28px;

  /* ---- 阴影 ---- */
  --yun-shadow-xs: 0 2px 8px rgba(0,0,0,0.04);
  --yun-shadow-light: 0 8px 24px rgba(0,0,0,0.06);
  --yun-shadow-medium: 0 16px 32px rgba(0,0,0,0.08);
  --yun-shadow-heavy: 0 24px 48px rgba(0,0,0,0.12);
  --yun-shadow-glow: 0 0 30px rgba(255,102,204,0.15), 0 8px 24px rgba(0,0,0,0.06);

  /* ---- 玻璃拟态 ---- */
  --yun-glass-bg: rgba(255,255,255,0.06);
  --yun-glass-border: rgba(255,255,255,0.10);
  --yun-glass-blur: blur(12px);

  /* ---- 渐变 ---- */
  --yun-gradient-primary: linear-gradient(135deg, #ff66cc, #ff8bd6);
  --yun-gradient-secondary: linear-gradient(135deg, #4dd5f0, #7ae7ff);
  --yun-gradient-accent: linear-gradient(135deg, #ffd66b, #ffe699);
  --yun-gradient-hero: linear-gradient(135deg, #ff66cc, #c084fc, #7ae7ff);
  --yun-gradient-warm: linear-gradient(135deg, #ff8bd6, #ffd66b);

  /* ---- 字体与过渡 ---- */
  --yun-font: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --yun-transition: all 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
  --yun-transition-bounce: all 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
  --yun-transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);

  /* ---- 文字选中 ---- */
  --yun-selection-bg: rgba(255, 102, 204, 0.35);
  --yun-selection-text: #1f2937;
}

/* ---- 暗色模式 ---- */
@media (prefers-color-scheme: dark) {
  :root {
    --yun-glass-bg: rgba(255,255,255,0.04);
    --yun-glass-border: rgba(255,255,255,0.06);
    --yun-shadow-xs: 0 2px 8px rgba(0,0,0,0.15);
    --yun-shadow-light: 0 8px 24px rgba(0,0,0,0.2);
    --yun-shadow-medium: 0 16px 32px rgba(0,0,0,0.25);
    --yun-shadow-heavy: 0 24px 48px rgba(0,0,0,0.3);
  }
}

html{scroll-behavior:smooth}
body.yunshang-gray {filter: grayscale(100%);}

*, *::before, *::after {
  box-sizing: border-box;
}

/* ---- 减少动画偏好 ---- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

button, a.button, input[type="button"], input[type="submit"] {
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
  cursor: pointer;
  border: none;
  outline: none;
}

/* ---- 圆角工具类 ---- */
.yunshang-rounded * {
  border-radius: var(--yun-radius) !important;
}

/* ---- 玻璃拟态系统 ---- */
.yunshang-glass {
  background: var(--yun-glass-bg);
  backdrop-filter: var(--yun-glass-blur);
  -webkit-backdrop-filter: var(--yun-glass-blur);
  border: 1px solid var(--yun-glass-border);
  box-shadow: var(--yun-shadow-light);
}

.yunshang-glass-strong {
  background: linear-gradient(180deg, rgba(255,255,255,0.10), rgba(255,255,255,0.04));
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255,255,255,0.14);
  box-shadow: var(--yun-shadow-medium);
}

.yunshang-glass-card {
  background: var(--yun-glass-bg);
  backdrop-filter: var(--yun-glass-blur);
  -webkit-backdrop-filter: var(--yun-glass-blur);
  border: 1px solid var(--yun-glass-border);
  border-radius: var(--yun-radius);
  box-shadow: var(--yun-shadow-light);
  transition: var(--yun-transition);
}

.yunshang-glass-card:hover {
  box-shadow: var(--yun-shadow-medium);
  border-color: rgba(255,255,255,0.18);
  transform: translateY(-2px);
}

/* ---- 渐变系统 ---- */
.yunshang-gradient {
  background: var(--yun-gradient-primary);
  color: #fff;
  background-size: 200% 200%;
  animation: gradientShift 8s ease infinite;
}

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

.yunshang-gradient-hero {
  background: var(--yun-gradient-hero);
  background-size: 300% 300%;
  animation: heroShift 12s ease-in-out infinite;
  color: #fff;
}

@keyframes heroShift {
  0%, 100% { background-position: 0% 50%; }
  33% { background-position: 100% 0%; }
  66% { background-position: 50% 100%; }
}

.yunshang-gradient-secondary {
  background: var(--yun-gradient-secondary);
  color: #fff;
}

.yunshang-gradient-warm {
  background: var(--yun-gradient-warm);
  color: #fff;
}

.yunshang-gradient-soft {
  background: linear-gradient(135deg, #ffd6e8, #d0fff0);
  color: #333;
}

/* ---- 按钮系统 ---- */
.yun-btn {
  padding: 12px 20px;
  border: none;
  cursor: pointer;
  border-radius: var(--yun-radius-sm);
  font-weight: 700;
  position: relative;
  overflow: hidden;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  text-decoration: none;
  transition: var(--yun-transition-bounce);
  font-size: 14px;
  line-height: 1.4;
}

.yun-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.25), transparent);
  transition: left 0.5s ease;
}

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

.yun-btn:active {
  transform: scale(0.97);
}

.yun-btn.primary {
  background: var(--yun-gradient-primary);
  box-shadow: 0 8px 24px rgba(255,102,204,0.25);
  color: #fff;
}

.yun-btn.primary:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 12px 32px rgba(255,102,204,0.35);
}

.yun-btn.cute {
  background: linear-gradient(90deg, #ff99d9, #9be8ff);
  box-shadow: 0 8px 24px rgba(155,85,145,0.15);
  color: #fff;
}

.yun-btn.cute:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 12px 32px rgba(155,85,145,0.25);
}

.yun-btn.neon {
  background: linear-gradient(90deg, #7ae7ff, #a68bff);
  box-shadow: 0 12px 30px rgba(122,231,255,0.12), 0 0 24px rgba(166,139,255,0.08);
  color: #fff;
}

.yun-btn.neon::after {
  content: '';
  position: absolute;
  inset: -2px;
  background: linear-gradient(45deg, #7ae7ff, #a68bff, #ff66cc, #7ae7ff);
  border-radius: var(--yun-radius);
  z-index: -1;
  animation: neonPulse 2s ease-in-out infinite alternate;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.yun-btn.neon:hover::after {
  opacity: 0.6;
}

@keyframes neonPulse {
  0% { transform: scale(1); opacity: 0.3; }
  100% { transform: scale(1.05); opacity: 0.6; }
}

.yun-btn.soft {
  background: rgba(255,255,255,0.9);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: #333;
  box-shadow: 0 6px 26px rgba(10,8,20,0.08);
  border: 1px solid rgba(255,255,255,0.2);
}

.yun-btn.soft:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 36px rgba(10,8,20,0.12);
  background: rgba(255,255,255,0.95);
}

.yun-btn.outline {
  background: transparent;
  border: 2px solid var(--yun-primary);
  color: var(--yun-primary);
}

.yun-btn.outline:hover {
  background: var(--yun-primary);
  color: #fff;
  transform: translateY(-2px);
}

.yun-btn.sm {
  padding: 8px 14px;
  font-size: 12px;
  border-radius: 8px;
}

.yun-btn.lg {
  padding: 16px 28px;
  font-size: 16px;
  border-radius: var(--yun-radius);
}

.yun-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
}

/* ---- 卡片系统 ---- */
.yun-card {
  padding: 24px;
  background: linear-gradient(180deg, rgba(255,255,255,0.05), rgba(0,0,0,0.02));
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--yun-radius);
  position: relative;
  overflow: hidden;
  transition: var(--yun-transition);
}

.yun-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--yun-gradient-primary);
  transform: scaleX(0);
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  transform-origin: left;
}

.yun-card:hover {
  box-shadow: var(--yun-shadow-medium);
  transform: translateY(-2px);
}

.yun-card:hover::before {
  transform: scaleX(1);
}

.yun-card.glass {
  background: var(--yun-glass-bg);
  backdrop-filter: var(--yun-glass-blur);
  -webkit-backdrop-filter: var(--yun-glass-blur);
  border: 1px solid var(--yun-glass-border);
}

.yun-card.primary-border::before {
  opacity: 1;
  transform: scaleX(1);
}

/* ---- 导航栏 ---- */
.yun-nav {
  padding: 14px 20px;
  background: linear-gradient(90deg, rgba(11,12,26,0.85), rgba(5,8,20,0.75));
  border-bottom: 1px solid rgba(255,255,255,0.06);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  position: relative;
}

.yun-nav::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,102,204,0.3), transparent);
}

/* subtle two-tone border accent */
.yun-accent-border {
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.04), 
              inset 0 -8px 24px rgba(0,0,0,0.08),
              0 0 0 1px rgba(255,102,204,0.1);
  position: relative;
}

.yun-accent-border::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--yun-accent), var(--yun-accent-2), var(--yun-accent-3));
  opacity: 0.7;
}

/* selection and tooltips */
*::selection {
  background: var(--yun-selection-bg) !important;
  color: var(--yun-selection-text) !important;
  -webkit-text-fill-color: var(--yun-selection-text) !important;
  text-shadow: none;
}

*::-moz-selection {
  background: var(--yun-selection-bg) !important;
  color: var(--yun-selection-text) !important;
}

/* tooltip replacement when enabled via .yunshang-tooltips */
.yunshang-tooltips .yunshang-tip {
  position: fixed;
  left: 0;
  top: 0;
  transform: translate(-50%, -120%);
  background: linear-gradient(180deg, rgba(6,8,20,0.98), rgba(40,20,60,0.96));
  color: #fff;
  padding: 10px 14px;
  border-radius: var(--yun-radius-sm);
  font-size: 13px;
  box-shadow: 0 12px 36px rgba(5,6,20,0.7), 0 0 20px rgba(255,102,204,0.1);
  pointer-events: none;
  z-index: 999999;
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,0.1);
  animation: tipAppear 0.2s ease-out;
}

@keyframes tipAppear {
  0% { opacity: 0; transform: translate(-50%, -100%); }
  100% { opacity: 1; transform: translate(-50%, -120%); }
}

/* loading states */
.yun-loading {
  display: inline-block;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: conic-gradient(from 0deg, var(--yun-accent), var(--yun-accent-2), var(--yun-accent-3), var(--yun-accent));
  animation: yun-spin 1.2s cubic-bezier(0.2, 0.8, 0.2, 1) infinite;
  position: relative;
  box-shadow: 0 0 20px rgba(255,102,204,0.3);
}

.yun-loading::before {
  content: '';
  position: absolute;
  top: 4px;
  left: 4px;
  right: 4px;
  bottom: 4px;
  border-radius: 50%;
  background: #fff;
}

@keyframes yun-spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* alternative loading styles */
.yun-loading-dots {
  display: flex;
  gap: 4px;
  align-items: center;
}

.yun-loading-dots span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--yun-accent);
  animation: dotPulse 1.4s ease-in-out infinite both;
}

.yun-loading-dots span:nth-child(1) { animation-delay: -0.32s; }
.yun-loading-dots span:nth-child(2) { animation-delay: -0.16s; }

@keyframes dotPulse {
  0%, 80%, 100% { transform: scale(0); opacity: 0.5; }
  40% { transform: scale(1); opacity: 1; }
}

/* hover micro animations */
.yunshang-hover-micro img,.yunshang-hover-micro .card{transition:transform .32s cubic-bezier(.2,.9,.2,1)}
.yunshang-hover-micro a:hover,.yunshang-hover-micro .card:hover{transform:translateY(-6px) rotate(-1deg)}

/* click feedback subtle scale (for click_feedback) */
.yun-click-feedback:active{transform:scale(.98)}

/* inview animations */
.yun-anim{opacity:0;transform:translateY(12px);transition:opacity .7s ease,transform .7s ease}
.yun-anim.inview{opacity:1;transform:none}

/* entry animations helpers */
.yun-anim[data-anim="fade-up"]{transform:translateY(18px);opacity:0}
.yun-anim.inview[data-anim="fade-up"]{transform:translateY(0);opacity:1}
.yun-anim[data-anim="fade-left"]{transform:translateX(-12px);opacity:0}
.yun-anim.inview[data-anim="fade-left"]{transform:translateX(0);opacity:1}
.yun-anim[data-anim="zoom-in"]{transform:scale(.98) translateY(8px);opacity:0}
.yun-anim.inview[data-anim="zoom-in"]{transform:scale(1) translateY(0);opacity:1}

/* small stagger helper - JS will set inline transition-delay when needed */
.yun-anim{will-change:opacity,transform}

/* parallax optimized layer */
.yun-parallax-layer{will-change:transform;transform:translate3d(0,0,0);backface-visibility:hidden}

/* reduced motion accessibility */
@media (prefers-reduced-motion: reduce){
	html{scroll-behavior:auto}
	.yun-anim{transition:none !important;animation:none !important;transform:none !important;opacity:1 !important}
	.yunshang-cursor,.yunshang-petal,.yunshang-leaf,.yunshang-snow{display:none !important}
}

/* parallax helper (data-parallax) */
[data-parallax]{will-change:transform}

/* backgrounds */
body.yunshang-bg-starry{background: radial-gradient(circle at 10% 10%, #1b145b 0%, #071025 40%, #02040a 100%);}
body.yunshang-bg-sky{background: linear-gradient(180deg,#d9f0ff,#f5fbff)}

/* 自定义动态背景 */
.yunshang-custom-background {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: -9999;
  overflow: hidden;
  background: #000;
  display: block;
  pointer-events: none;
  backface-visibility: hidden;
  transform: translateZ(-1px);
  opacity: 1;
  visibility: visible;
}

.yunshang-custom-background video,
.yunshang-custom-background img {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  min-width: 100%;
  min-height: 100%;
  width: auto;
  height: auto;
  object-fit: cover;
  transition: all 0.5s ease;
  opacity: 1;
  visibility: visible;
}

/* 确保背景在所有内容之下 */
* {
  position: relative;
  z-index: 0;
}

.yunshang-custom-background {
  z-index: -9999 !important;
}

/* 性能模式 */
.yunshang-custom-background.performance-mode video {
  filter: blur(1px) saturate(0.8);
  transform: translate(-50%, -50%) scale(1.05);
}

.yunshang-custom-background.performance-mode img {
  filter: blur(1px) saturate(0.8);
  transform: translate(-50%, -50%) scale(1.05);
}

/* 平衡模式 */
.yunshang-custom-background.balanced-mode video {
  filter: saturate(0.9);
  transform: translate(-50%, -50%) scale(1.02);
}

.yunshang-custom-background.balanced-mode img {
  filter: saturate(0.9);
  transform: translate(-50%, -50%) scale(1.02);
}

/* 视频质量调整 */
.yunshang-custom-background video[data-quality="low"] {
  filter: blur(2px) saturate(0.7);
}

.yunshang-custom-background video[data-quality="medium"] {
  filter: saturate(0.8);
}

.yunshang-custom-background video[data-quality="high"] {
  filter: none;
}

/* 响应式适配 */
@media (max-width: 768px) {
  .yunshang-custom-background {
    /* 移动设备默认使用性能模式 */
    filter: blur(1px) saturate(0.8);
  }
  
  .yunshang-custom-background video,
  .yunshang-custom-background img {
    min-width: 120%;
    min-height: 120%;
  }
}

/* 减少动画性能消耗 */
@media (prefers-reduced-motion: reduce) {
  .yunshang-custom-background video {
    animation: none !important;
  }
  
  .yunshang-custom-background {
    filter: blur(2px) saturate(0.7);
  }
}

/* 深色模式适配 */
@media (prefers-color-scheme: dark) {
  .yunshang-custom-background {
    background: #111;
  }
}

/* 打印样式 */
@media print {
  .yunshang-custom-background {
    display: none !important;
  }
}

/* avatar breathing */
img.avatar, img.author-avatar, .avatar img{transition: box-shadow .6s ease;}
.yunshang-avatar-breath img.avatar, .yunshang-avatar-breath img.author-avatar{box-shadow:0 0 0 0 rgba(255,102,204,0.6);animation:yun-breath 2.5s infinite}
@keyframes yun-breath{0%{box-shadow:0 0 0 0 rgba(255,102,204,0.0)}50%{box-shadow:0 0 20px 6px rgba(255,102,204,0.25)}100%{box-shadow:0 0 0 0 rgba(255,102,204,0.0)}}

/* hover rotate */
.yunshang-hover-rotate a:hover, .yunshang-hover-rotate img:hover{transform:rotate(-6deg) scale(1.03);transition:transform .35s}

/* list lift */
.yunshang-list-lift .post, .yunshang-list-lift .post-item, .yunshang-list-lift article{transition:transform .28s,box-shadow .28s}
.yunshang-list-lift .post:hover, .yunshang-list-lift .post-item:hover, .yunshang-list-lift article:hover{transform:translateY(-8px);box-shadow:0 12px 30px rgba(15,10,30,0.25)}

/* ripple */
.yunshang-ripple-effect{position:relative;overflow:hidden}
.yunshang-ripple{position:absolute;border-radius:50%;transform:scale(0);opacity:0.8;animation:yun-ripple .6s ease-out;background:rgba(255,255,255,0.25)}
@keyframes yun-ripple{to{transform:scale(4);opacity:0}}

/* enhanced scrollbar styling */
.yunshang-scrollbar ::-webkit-scrollbar {
  width: 14px;
  height: 14px;
}

.yunshang-scrollbar ::-webkit-scrollbar-track {
  background: rgba(0,0,0,0.05);
  border-radius: 8px;
  margin: 4px;
}

.yunshang-scrollbar ::-webkit-scrollbar-thumb {
  background: var(--yun-gradient-primary);
  border-radius: 8px;
  border: 2px solid rgba(255,255,255,0.2);
  box-shadow: 0 2px 8px rgba(255,102,204,0.2);
  transition: all 0.3s ease;
}

.yunshang-scrollbar ::-webkit-scrollbar-thumb:hover {
  background: var(--yun-gradient-warm);
  transform: scale(1.1);
}

.yunshang-scrollbar ::-webkit-scrollbar-corner {
  background: rgba(0,0,0,0.05);
}

/* firefox scrollbar */
.yunshang-scrollbar {
  scrollbar-width: thin;
  scrollbar-color: var(--yun-accent) rgba(0,0,0,0.05);
}

/* custom scroll indicators */
.yunshang-scroll-indicator {
  position: fixed;
  top: 0;
  right: 0;
  width: 3px;
  height: 100vh;
  background: linear-gradient(to bottom, var(--yun-accent), var(--yun-accent-2));
  z-index: 9999;
  opacity: 0.3;
  transition: opacity 0.3s ease;
}

.yunshang-scroll-indicator:hover {
  opacity: 0.6;
}

/* logo shine and decorative elements */
.yunshang-logo-shine img, .yunshang-logo-shine .site-logo {
  position: relative;
  overflow: hidden;
  border-radius: var(--yun-radius-sm);
}

.yunshang-logo-shine .shine {
  position: absolute;
  left: -70%;
  top: 0;
  bottom: 0;
  width: 60%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.8), transparent);
  transform: skewX(-25deg);
  animation: yun-shine 2.5s infinite;
  border-radius: 50% 0 0 50%;
}

@keyframes yun-shine {
  0% { left: -70%; }
  100% { left: 170%; }
}

/* decorative corner elements */
.yunshang-decor-corner {
  position: absolute;
  width: 20px;
  height: 20px;
  border: 2px solid var(--yun-accent);
  border-radius: 50%;
}

.yunshang-decor-corner.tl { top: -10px; left: -10px; border-right: none; border-bottom: none; }
.yunshang-decor-corner.tr { top: -10px; right: -10px; border-left: none; border-bottom: none; }
.yunshang-decor-corner.bl { bottom: -10px; left: -10px; border-right: none; border-top: none; }
.yunshang-decor-corner.br { bottom: -10px; right: -10px; border-left: none; border-top: none; }

/* animated background elements */
.yunshang-bg-element {
  position: absolute;
  border-radius: 50%;
  opacity: 0.1;
  animation: float 6s ease-in-out infinite;
}

.yunshang-bg-element.circle {
  width: 60px;
  height: 60px;
  background: radial-gradient(circle, var(--yun-accent), transparent);
}

.yunshang-bg-element.square {
  width: 40px;
  height: 40px;
  background: linear-gradient(45deg, var(--yun-accent-2), transparent);
  transform: rotate(45deg);
}

@keyframes float {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-20px) rotate(180deg); }
}

/* enhanced cursor follow */
.yunshang-cursor {
  position: fixed;
  pointer-events: none;
  z-index: 99999;
  width: 45px;
  height: 45px;
  border-radius: 50%;
  mix-blend-mode: screen;
  transform: translate(-50%, -50%);
  transition: width 0.15s, height 0.15s, background 0.15s, transform 0.1s;
  box-shadow: 0 0 20px rgba(255,102,204,0.3);
  border: 2px solid rgba(255,255,255,0.5);
  background: radial-gradient(circle at 30% 30%, rgba(255,102,204,0.4), transparent);
}

.yunshang-cursor.hover {
  width: 60px;
  height: 60px;
  background: radial-gradient(circle at 30% 30%, rgba(122,231,255,0.5), transparent);
  transform: translate(-50%, -50%) scale(1.2);
}

.yunshang-cursor.click {
  width: 30px;
  height: 30px;
  transform: translate(-50%, -50%) scale(0.8);
  background: radial-gradient(circle at 30% 30%, rgba(255,214,107,0.6), transparent);
}

/* seasonal containers and decorative elements */
#yunshang-seasonal {
  position: fixed;
  left: 0;
  top: 0;
  right: 0;
  bottom: 0;
  pointer-events: none;
  z-index: 9998;
  overflow: hidden;
  background: transparent;
}

.yunshang-petal, .yunshang-leaf, .yunshang-snow {
  position: absolute;
  will-change: transform, opacity;
  filter: drop-shadow(0 2px 4px rgba(0,0,0,0.1));
}

/* decorative sparkles */
.yunshang-sparkle {
  position: absolute;
  width: 4px;
  height: 4px;
  background: #fff;
  border-radius: 50%;
  box-shadow: 0 0 10px #fff;
  animation: sparkleTwinkle 2s ease-in-out infinite;
}

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

/* floating hearts decoration */
.yunshang-heart {
  position: absolute;
  color: var(--yun-accent);
  font-size: 16px;
  opacity: 0.7;
  animation: floatUp 4s ease-in-out infinite;
  text-shadow: 0 2px 8px rgba(255,102,204,0.3);
}

@keyframes floatUp {
  0% { transform: translateY(0) rotate(0deg); opacity: 0.7; }
  100% { transform: translateY(-100vh) rotate(360deg); opacity: 0; }
}

/* enhanced global loading overlay */
.yunshang-loading-overlay {
  position: fixed;
  left: 0;
  top: 0;
  right: 0;
  bottom: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(180deg, rgba(4,6,14,0.7), rgba(4,6,14,0.8));
  z-index: 9999999;
  backdrop-filter: blur(10px);
  animation: overlayFadeIn 0.3s ease-out;
}

@keyframes overlayFadeIn {
  0% { opacity: 0; }
  100% { opacity: 1; }
}

.yunshang-loading-overlay .yun-loading {
  width: 60px;
  height: 60px;
  animation: loadingPulse 1.5s ease-in-out infinite;
}

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

.yunshang-loading-overlay .loading-text {
  position: absolute;
  bottom: 30%;
  color: white;
  font-size: 16px;
  text-align: center;
  text-shadow: 0 2px 8px rgba(0,0,0,0.5);
  animation: textGlow 2s ease-in-out infinite alternate;
}

@keyframes textGlow {
  0% { text-shadow: 0 2px 8px rgba(0,0,0,0.5); }
  100% { text-shadow: 0 2px 16px rgba(255,102,204,0.8); }
}

/* ========================= 交互提示功能 ========================= */
/* notification toast */
.yunshang-notification {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.8);
  background: linear-gradient(135deg, rgba(255,255,255,0.95), rgba(248,251,255,0.95));
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: var(--yun-radius-lg);
  padding: 20px 28px;
  box-shadow: 
    0 16px 40px rgba(0,0,0,0.15), 
    0 0 40px rgba(255,102,204,0.15),
    0 4px 20px rgba(122,231,255,0.1);
  z-index: 999999;
  font-weight: 600;
  color: #333;
  border: 1px solid rgba(255,255,255,0.3);
  min-width: 220px;
  text-align: center;
  opacity: 0;
  transition: all 0.4s cubic-bezier(0.2, 0.8, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.yunshang-notification::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--yun-gradient-hero);
  transform: scaleX(0);
  animation: notificationProgress 2s linear forwards;
}

.yunshang-notification.show {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
  animation: notificationBounce 0.6s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.yunshang-notification.dark {
  background: linear-gradient(135deg, rgba(30,30,40,0.95), rgba(20,20,30,0.95));
  color: #fff;
  box-shadow: 
    0 16px 40px rgba(0,0,0,0.3), 
    0 0 40px rgba(122,231,255,0.15),
    0 4px 20px rgba(255,102,204,0.1);
  border: 1px solid rgba(255,255,255,0.1);
}

.yunshang-notification.success {
  border-left: 4px solid var(--yun-accent);
  box-shadow: 
    0 16px 40px rgba(255,102,204,0.15), 
    0 0 40px rgba(255,102,204,0.2),
    0 4px 20px rgba(255,102,204,0.1);
}

.yunshang-notification.info {
  border-left: 4px solid var(--yun-accent-2);
  box-shadow: 
    0 16px 40px rgba(122,231,255,0.15), 
    0 0 40px rgba(122,231,255,0.2),
    0 4px 20px rgba(122,231,255,0.1);
}

@keyframes notificationBounce {
  0% { 
    opacity: 0; 
    transform: translate(-50%, -40%) scale(0.8); 
  }
  40% { 
    transform: translate(-50%, -55%) scale(1.05); 
  }
  70% { 
    transform: translate(-50%, -48%) scale(0.98); 
  }
  100% { 
    opacity: 1; 
    transform: translate(-50%, -50%) scale(1); 
  }
}

@keyframes notificationProgress {
  0% { transform: scaleX(0); }
  100% { transform: scaleX(1); }
}

.yunshang-notification.fade-out {
  animation: notificationDisappear 0.5s cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
}

@keyframes notificationDisappear {
  0% { 
    opacity: 1; 
    transform: translate(-50%, -50%) scale(1); 
  }
  60% { 
    opacity: 0.8; 
    transform: translate(-50%, -55%) scale(1.05); 
  }
  100% { 
    opacity: 0; 
    transform: translate(-50%, -60%) scale(0.9); 
  }
}

/* ========================= 网页保护功能 ========================= */
/* protection styles */
.yunshang-protected {
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
  -webkit-touch-callout: none;
  -webkit-tap-highlight-color: transparent;
}

.yunshang-protected img {
  -webkit-user-drag: none;
  -khtml-user-drag: none;
  -moz-user-drag: none;
  -o-user-drag: none;
  pointer-events: none;
}

.yunshang-no-contextmenu {
  -webkit-touch-callout: none;
}

/* warning overlay for developer tools */
.yunshang-dev-warning {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999999;
  color: white;
  font-size: 18px;
  text-align: center;
  backdrop-filter: blur(10px);
}

.yunshang-dev-warning .content {
  background: rgba(255,102,204,0.1);
  padding: 30px;
  border-radius: var(--yun-radius);
  border: 2px solid var(--yun-accent);
  max-width: 500px;
}

/* ========================= 导航菜单二次元点缀 ========================= */
/* navigation decorations */
.yunshang-nav-decorated {
  position: relative;
}

.yunshang-nav-decorated::before,
.yunshang-nav-decorated::after {
  content: '';
  position: absolute;
  width: 24px;
  height: 24px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='%23ff66cc' d='M12 21.35l-1.45-1.32C5.4 15.36 2 12.28 2 8.5 2 5.42 4.42 3 7.5 3c1.74 0 3.41.81 4.5 2.09C13.09 3.81 14.76 3 16.5 3 19.58 3 22 5.42 22 8.5c0 3.78-3.4 6.86-8.55 11.54L12 21.35z'/%3E%3C/svg%3E") no-repeat center;
  background-size: contain;
  opacity: 0.3;
  transition: all 0.3s ease;
}

.yunshang-nav-decorated::before {
  top: -8px;
  left: -8px;
  transform: rotate(-15deg);
}

.yunshang-nav-decorated::after {
  bottom: -8px;
  right: -8px;
  transform: rotate(15deg);
}

.yunshang-nav-decorated:hover::before,
.yunshang-nav-decorated:hover::after {
  opacity: 0.6;
  transform: rotate(0deg) scale(1.2);
}

/* menu item decorations */
.yunshang-menu-item {
  position: relative;
  padding: 12px 16px;
  border-radius: var(--yun-radius-sm);
  transition: all 0.3s ease;
}

.yunshang-menu-item::before {
  content: '✦';
  position: absolute;
  left: 8px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--yun-accent);
  opacity: 0;
  transition: all 0.3s ease;
  font-size: 12px;
}

.yunshang-menu-item:hover {
  background: linear-gradient(90deg, rgba(255,102,204,0.1), rgba(122,231,255,0.1));
  padding-left: 32px;
}

.yunshang-menu-item:hover::before {
  opacity: 1;
  left: 16px;
}

/* dropdown menu enhancements */
.yunshang-dropdown {
  position: relative;
}

.yunshang-dropdown::after {
  content: '﹀';
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%) rotate(0deg);
  transition: transform 0.3s ease;
  color: var(--yun-accent);
}

.yunshang-dropdown.active::after {
  transform: translateY(-50%) rotate(180deg);
}

.yunshang-dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  background: linear-gradient(180deg, rgba(255,255,255,0.95), rgba(248,251,255,0.95));
  backdrop-filter: blur(12px);
  border-radius: var(--yun-radius);
  box-shadow: var(--yun-shadow-medium);
  padding: 8px 0;
  min-width: 200px;
  z-index: 1000;
  opacity: 0;
  transform: translateY(-10px);
  transition: all 0.3s ease;
  border: 1px solid rgba(255,255,255,0.2);
}

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

/* breadcrumb decorations */
.yunshang-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 0;
}

.yunshang-breadcrumb-item {
  position: relative;
  padding: 4px 12px;
  border-radius: 20px;
  background: rgba(255,255,255,0.1);
  transition: all 0.3s ease;
}

.yunshang-breadcrumb-item:not(:last-child)::after {
  content: '›';
  position: absolute;
  right: -12px;
  color: var(--yun-accent);
  font-weight: bold;
}

.yunshang-breadcrumb-item:hover {
  background: linear-gradient(90deg, var(--yun-accent), var(--yun-accent-2));
  transform: translateY(-2px);
}

/* pagination decorations */
.yunshang-pagination {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin: 24px 0;
}

.yunshang-page-num {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.yunshang-page-num::before {
  content: '';
  position: absolute;
  width: 100%;
  height: 100%;
  background: linear-gradient(45deg, var(--yun-accent), var(--yun-accent-2));
  opacity: 0;
  transition: opacity 0.3s ease;
}

.yunshang-page-num:hover {
  transform: translateY(-4px) scale(1.1);
  box-shadow: 0 8px 24px rgba(255,102,204,0.3);
}

.yunshang-page-num:hover::before {
  opacity: 0.2;
}

.yunshang-page-num.current {
  background: linear-gradient(135deg, var(--yun-accent), var(--yun-accent-2));
  color: white;
  font-weight: bold;
  box-shadow: 0 4px 16px rgba(255,102,204,0.4);
}

/* ========================= 底部美化 ========================= */
/* footer beautify - 全新设计 */
.yunshang-footer-beauty {
    position: relative;
    background: linear-gradient(
        180deg, 
        rgba(255, 255, 255, 0.08), 
        rgba(250, 250, 252, 0.04)
    );
    padding: 24px 32px;
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    display: flex;
    align-items: center;
    gap: 24px;
    justify-content: space-between;
    flex-wrap: wrap;
    box-shadow: 
        0 -4px 24px rgba(0, 0, 0, 0.08),
        inset 0 1px 0 rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    overflow: hidden;
}

/* 装饰性背景元素 */
.yunshang-footer-beauty::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--yun-primary), var(--yun-secondary), var(--yun-accent), transparent);
    opacity: 0.6;
}

.yunshang-footer-beauty::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(
            circle at 20% 80%, 
            rgba(255, 102, 204, 0.05) 0%, 
            transparent 40%
        ),
        radial-gradient(
            circle at 80% 20%, 
            rgba(122, 231, 255, 0.05) 0%, 
            transparent 40%
        );
    pointer-events: none;
}

.yunshang-footer-beauty .left {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
    position: relative;
    z-index: 2;
}

/* 收藏按钮 - 全新设计 */
.yunshang-footer-beauty .fav-btn {
    padding: 10px 20px;
    border-radius: var(--yun-radius);
    background: linear-gradient(
        135deg, 
        var(--yun-accent), 
        var(--yun-accent-2)
    );
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
    margin: 0;
    color: white;
    box-shadow: 
        0 6px 16px rgba(255, 102, 204, 0.25),
        0 2px 8px rgba(122, 231, 255, 0.15),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
    font-size: 14px;
    position: relative;
    overflow: hidden;
}

.yunshang-footer-beauty .fav-btn::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: left 0.5s ease;
}

.yunshang-footer-beauty .fav-btn:hover {
    transform: translateY(-3px) scale(1.03);
    box-shadow: 
        0 12px 28px rgba(255, 102, 204, 0.35),
        0 4px 16px rgba(122, 231, 255, 0.25),
        inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

.yunshang-footer-beauty .fav-btn:hover::before {
    left: 100%;
}

/* 波浪容器 - 全新设计 */
.yunshang-footer-beauty .wave-wrap {
    position: relative;
    width: 240px;
    height: 42px;
    overflow: hidden;
    border-radius: var(--yun-radius);
    background: linear-gradient(
        180deg,
        rgba(255, 255, 255, 0.12),
        rgba(255, 255, 255, 0.06)
    );
    flex-shrink: 0;
    box-shadow: 
        inset 0 0 16px rgba(0, 0, 0, 0.08),
        0 4px 16px rgba(0, 0, 0, 0.05);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
    z-index: 2;
}

/* 多层波浪动画 */
.yunshang-footer-beauty .wave {
    position: absolute;
    left: 0;
    bottom: 0;
    width: 300%;
    height: 80px;
    opacity: 0.6;
    transform: translateX(0);
}

/* 第一层波浪 */
.yunshang-footer-beauty .wave.layer-1 {
    background: linear-gradient(90deg, rgba(255, 154, 214, 0.5), rgba(155, 232, 255, 0.5), rgba(255, 214, 107, 0.5), rgba(255, 154, 214, 0.5));
    animation: yunWavePrimary 8s cubic-bezier(0.4, 0, 0.6, 1) infinite;
    z-index: 1;
}

.yunshang-footer-beauty .wave.layer-2 {
    background: linear-gradient(90deg, rgba(122, 231, 255, 0.4), rgba(255, 102, 204, 0.4), rgba(192, 132, 252, 0.4), rgba(122, 231, 255, 0.4));
    animation: yunWaveSecondary 12s cubic-bezier(0.4, 0, 0.6, 1) infinite reverse;
    z-index: 2;
    opacity: 0.4;
}

/* 第三层波浪 - 细微装饰 */
.yunshang-footer-beauty .wave.layer-3 {
    background: linear-gradient(
        90deg, 
        rgba(255, 255, 255, 0.3), 
        rgba(255, 255, 255, 0.1),
        rgba(255, 255, 255, 0.3)
    );
    animation: yunWaveTertiary 16s linear infinite;
    z-index: 3;
    opacity: 0.2;
    height: 40px;
}

/* 优化的波浪动画 */
@keyframes yunWavePrimary {
    0% { transform: translateX(0) translateY(0); }
    25% { transform: translateX(-25%) translateY(-2px); }
    50% { transform: translateX(-50%) translateY(0); }
    75% { transform: translateX(-75%) translateY(2px); }
    100% { transform: translateX(-100%) translateY(0); }
}

@keyframes yunWaveSecondary {
    0% { transform: translateX(0) translateY(4px); }
    25% { transform: translateX(-25%) translateY(2px); }
    50% { transform: translateX(-50%) translateY(4px); }
    75% { transform: translateX(-75%) translateY(6px); }
    100% { transform: translateX(-100%) translateY(4px); }
}

@keyframes yunWaveTertiary {
    0% { transform: translateX(0) translateY(8px); }
    25% { transform: translateX(-25%) translateY(6px); }
    50% { transform: translateX(-50%) translateY(8px); }
    75% { transform: translateX(-75%) translateY(10px); }
    100% { transform: translateX(-100%) translateY(8px); }
}

/* 运行时间显示 */
.yunshang-footer-beauty .uptime {
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 0.8px;
    position: relative;
    z-index: 2;
    background: var(--yun-gradient-warm);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* 悬浮粒子装饰 */
.yunshang-footer-beauty .particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--yun-accent);
    border-radius: 50%;
    opacity: 0.6;
    animation: particleFloat 6s ease-in-out infinite;
    z-index: 1;
}

@keyframes particleFloat {
    0%, 100% { 
        transform: translateY(0) translateX(0); 
        opacity: 0.6; 
    }
    50% { 
        transform: translateY(-20px) translateX(10px); 
        opacity: 0.3; 
    }
}

/* ========================= 左侧悬浮按钮 ========================= */
/* left floating actions */
.yunshang-float-left{position:fixed;left:12px;bottom:120px;display:flex;flex-direction:column;gap:12px;z-index:99999}
.yunshang-float-left .yun-fab{width:52px;height:52px;border-radius:12px;background:linear-gradient(180deg,#fff,#f8fbff);box-shadow:0 12px 30px rgba(10,10,30,0.08);display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all 0.3s ease;font-weight:bold;color:#333;text-decoration:none}
.yunshang-float-left .yun-fab:hover{transform:translateY(-6px) scale(1.1);box-shadow:0 20px 40px rgba(10,10,30,0.15)}
.yunshang-fab.qq{background:linear-gradient(180deg,#ffeef7,#ffdfe8);color:#ff66cc}
.yunshang-fab.random{background:linear-gradient(180deg,#e8fff5,#dff7ff);color:#7ae7ff}

/* ========================= 顶部装饰 - 重构版本 ========================= */
/* top lantern & blossom - enhanced version */
.yunshang-top-decor{
    position:fixed;
    left:50%;
    top:6px;
    transform:translateX(-50%);
    z-index:99998;
    pointer-events:none;
    perspective:1000px;
}

.yunshang-lantern{
    display:flex;
    gap:12px;
    align-items:flex-end;
    transform-style:preserve-3d;
}

.yunshang-lantern .lan{
    width:36px;
    height:44px;
    border-radius:10px;
    background:linear-gradient(180deg, #fff8fb 0%, #ffd6e8 50%, #ffc0d6 100%);
    box-shadow:
        0 8px 24px rgba(255,102,204,0.15),
        0 4px 12px rgba(255,182,193,0.1),
        inset 0 1px 0 rgba(255,255,255,0.6);
    transform-origin:center top;
    animation:yun-lantern-sway 3.2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
    -webkit-animation:yun-lantern-sway 3.2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
    transform:translate3d(0,0,0);
    will-change:transform;
    position:relative;
    overflow:hidden;
}

/* 灯笼发光效果 */
.yunshang-lantern .lan::before{
    content:'';
    position:absolute;
    top:8px;
    left:50%;
    transform:translateX(-50%);
    width:12px;
    height:12px;
    background:radial-gradient(circle, rgba(255,255,255,0.8) 0%, rgba(255,255,255,0) 70%);
    border-radius:50%;
    animation:yun-lantern-glow 2s ease-in-out infinite alternate;
}

/* 灯笼装饰线 */
.yunshang-lantern .lan::after{
    content:'';
    position:absolute;
    top:0;
    left:50%;
    transform:translateX(-50%);
    width:2px;
    height:100%;
    background:linear-gradient(to bottom, 
        transparent 0%, 
        rgba(255,102,204,0.3) 30%, 
        rgba(255,102,204,0.5) 50%, 
        rgba(255,102,204,0.3) 70%, 
        transparent 100%);
    border-radius:1px;
}

/* 改进的灯笼摆动动画 */
@keyframes yun-lantern-sway{
    0%{transform:rotate(-3deg) translateY(0px)}
    25%{transform:rotate(2deg) translateY(-4px)}
    50%{transform:rotate(0deg) translateY(-2px)}
    75%{transform:rotate(-2deg) translateY(-6px)}
    100%{transform:rotate(-3deg) translateY(0px)}
}

@-webkit-keyframes yun-lantern-sway{
    0%{transform:rotate(-3deg) translateY(0px)}
    25%{transform:rotate(2deg) translateY(-4px)}
    50%{transform:rotate(0deg) translateY(-2px)}
    75%{transform:rotate(-2deg) translateY(-6px)}
    100%{transform:rotate(-3deg) translateY(0px)}
}

/* 灯笼发光动画 */
@keyframes yun-lantern-glow{
    0%{opacity:0.6; transform:translateX(-50%) scale(1)}
    100%{opacity:1; transform:translateX(-50%) scale(1.2)}
}

/* 多层灯笼效果 */
.yunshang-lantern .lan.layer-2{
    animation-delay:0.4s;
    background:linear-gradient(180deg, #f0f8ff 0%, #d6eeff 50%, #b8e0ff 100%);
    box-shadow:
        0 8px 24px rgba(122,231,255,0.15),
        0 4px 12px rgba(173,216,230,0.1),
        inset 0 1px 0 rgba(255,255,255,0.6);
}

.yunshang-lantern .lan.layer-3{
    animation-delay:0.8s;
    background:linear-gradient(180deg, #fff8e1 0%, #ffe0b2 50%, #ffcc80 100%);
    box-shadow:
        0 8px 24px rgba(255,214,107,0.15),
        0 4px 12px rgba(255,224,178,0.1),
        inset 0 1px 0 rgba(255,255,255,0.6);
}

/* 优化的梅花飘落效果 */
.yunshang-top-decor .petal{
    position:absolute;
    width:16px;
    height:16px;
    background:radial-gradient(circle at 30% 30%, 
        rgba(255,182,193,0.9) 0%, 
        rgba(255,105,180,0.7) 40%, 
        rgba(255,20,147,0.5) 70%, 
        transparent 100%);
    border-radius:50% 40% 60% 30% / 40% 50% 30% 60%;
    opacity:0.85;
    will-change:transform,opacity;
    transform-origin:center;
    animation:petal-float 4.5s linear forwards;
}

/* 梅花飘落动画 */
@keyframes petal-float{
    0%{
        transform:translate(0, 0) rotate(0deg) scale(0.8);
        opacity:0.85;
    }
    25%{
        transform:translate(-15px, 40px) rotate(90deg) scale(1);
        opacity:0.9;
    }
    50%{
        transform:translate(10px, 90px) rotate(180deg) scale(0.9);
        opacity:0.75;
    }
    75%{
        transform:translate(-8px, 140px) rotate(270deg) scale(0.85);
        opacity:0.6;
    }
    100%{
        transform:translate(5px, 180px) rotate(360deg) scale(0.7);
        opacity:0;
    }
}

/* colored progress bar */
.yunshang-progress{position:fixed;left:0;top:0;height:3px;width:100%;z-index:99999;background:transparent}
.yunshang-progress .bar{height:100%;width:0;background:var(--yun-gradient-primary);box-shadow:0 0 16px rgba(255,102,204,0.3);transition:width 0.15s ease}

/* ========================= 文章美化 ========================= */
/* post tags & image effects */
.yunshang-tags .tag{display:inline-block;padding:6px 9px;border-radius:999px;color:#fff;margin-right:8px;font-weight:700;font-size:13px;transition:all 0.3s ease}
.yunshang-tags .tag:hover{transform:scale(1.1) rotate(3deg)}
.yunshang-post-img{overflow:hidden;border-radius:12px;box-shadow:0 8px 24px rgba(0,0,0,0.08)}
.yunshang-post-img img{transition:transform .5s cubic-bezier(.2,.9,.2,1);display:block;width:100%}
.yunshang-post-img:hover img{transform:scale(1.06) rotate(-1deg)}

/* comment background and title beautify */
.yunshang-comments .comment{background:linear-gradient(180deg,rgba(255,255,255,0.02),rgba(0,0,0,0.02));padding:12px;border-radius:10px;margin-bottom:8px;transition:all 0.3s ease}
.yunshang-comments .comment:hover{background:linear-gradient(180deg,rgba(255,255,255,0.04),rgba(0,0,0,0.04));transform:translateX(4px)}
.yunshang-title-beauty h1,.yunshang-title-beauty h2{position:relative;padding:8px 12px;border-radius:8px;background:linear-gradient(90deg,#fff,#fff);box-shadow:0 10px 30px rgba(10,10,30,0.06);display:inline-block;transition:all 0.3s ease}
.yunshang-title-beauty h1:hover,.yunshang-title-beauty h2:hover{transform:translateY(-2px);box-shadow:0 15px 40px rgba(10,10,30,0.1)}
.yunshang-title-beauty h1:after{content:'';position:absolute;left:0;bottom:-8px;width:40%;height:6px;background:linear-gradient(90deg,#ff9ad6,#9be8ff);border-radius:4px;opacity:.9}

/* card shadow refinements */
.yunshang-card-shadow{box-shadow:0 18px 40px rgba(20,10,40,0.12);transition:box-shadow .28s,transform .28s;border-radius:var(--yun-radius, 14px)}
.yunshang-card-shadow:hover{box-shadow:0 32px 80px rgba(20,10,40,0.16);transform:translateY(-8px)}

/* ========================= 响应式适配 ========================= */
@media (max-width:800px){
	.yunshang-float-left{left:8px;bottom:96px}
	.yunshang-float-left .yun-fab{width:46px;height:46px;font-size:14px}
	.yunshang-footer-beauty{
        flex-direction:column;
        align-items:center;
        padding:20px 24px;
        width:100%;
        gap:16px;
    }
	.yunshang-footer-beauty .left{
        width:100%;
        justify-content:center;
        gap:12px;
    }
	.yunshang-footer-beauty .wave-wrap{
        width:200px;
        height:36px;
        margin-top:12px;
    }
	.yunshang-footer-beauty .uptime{
        text-align:center;
        margin-top:8px;
        font-size:13px;
    }
	.yunshang-top-decor .lan{width:30px;height:38px;animation-duration:3.6s;animation-timing-function:cubic-bezier(0.4, 0, 0.6, 1)}
    
    /* 移动端灯笼优化 */
    .yunshang-lantern .lan::before,
    .yunshang-lantern .lan::after {
        display: none;
    }
    
    .yunshang-lantern .lan {
        animation: yun-lantern-sway-mobile 4s ease-in-out infinite;
    }
    
    @keyframes yun-lantern-sway-mobile {
        0%, 100% { transform: translateY(0px); }
        50% { transform: translateY(-2px); }
    }
    
    /* 移动端波浪动画优化 */
    .yunshang-footer-beauty .wave.layer-1 {
        animation-duration: 10s;
    }
    .yunshang-footer-beauty .wave.layer-2 {
        animation-duration: 14s;
    }
    .yunshang-footer-beauty .wave.layer-3 {
        animation-duration: 18s;
    }
}

@media (max-width:480px){
	.yunshang-float-left{left:6px;bottom:80px}
	.yunshang-float-left .yun-fab{width:42px;height:42px;font-size:12px}
    
    /* 低性能设备优化 */
    @media (prefers-reduced-motion: reduce) {
        .yunshang-lantern .lan {
            animation: none;
            transform: none;
        }
        
        .yunshang-lantern .lan::before {
            animation: none;
            opacity: 0.7;
        }
        
        .yunshang-top-decor .petal {
            animation: none;
            opacity: 0;
        }
    }
    
    /* 极低性能设备进一步优化 */
    @media (max-width: 320px) {
        .yunshang-lantern .lan {
            width: 24px;
            height: 30px;
        }
        
        .yunshang-lantern .lan::before,
        .yunshang-lantern .lan::after {
            display: none;
        }
        
        .yunshang-top-decor .petal {
            display: none;
        }
    }
	.yunshang-footer-beauty{
        padding:16px 20px;
        gap:12px;
    }
	.yunshang-footer-beauty .left{
        flex-direction:column;
        align-items:center;
        gap:10px;
        width:100%;
    }
	.yunshang-footer-beauty .wave-wrap{
        width:180px;
        height:32px;
        margin-top:10px;
    }
	.yunshang-footer-beauty .fav-btn{
        align-self:center;
        padding:10px 24px;
        font-size:13px;
    }
	.yunshang-footer-beauty .uptime{
        font-size:12px;
    }
    
    /* 极小屏幕优化 */
    .yunshang-footer-beauty .wave {
        height: 60px;
    }
    .yunshang-footer-beauty .wave.layer-3 {
        height: 30px;
    }
    
    /* 减少粒子数量提高性能 */
    .yunshang-footer-beauty .particle {
        width: 3px;
        height: 3px;
    }
}

/* 修复收藏按钮空白问题的额外优化 */
.yunshang-footer-beauty .left > * {
    flex-shrink: 0;
}

.yunshang-footer-beauty .fav-btn + .wave-wrap {
    margin-left: 10px;
}

/* 性能优化和兼容性 */
@media (max-width: 600px) {
    .yunshang-footer-beauty .left {
        justify-content: center;
    }
    
    .yunshang-footer-beauty .fav-btn + .wave-wrap {
        margin-left: 0;
        margin-top: 8px;
    }
}

/* 减少动画性能消耗 */
@media (prefers-reduced-motion: reduce) {
    .yunshang-footer-beauty .wave {
        animation-duration: 20s !important;
        animation-timing-function: linear !important;
    }
    
    .yunshang-footer-beauty .particle {
        animation: none !important;
    }
    
    .yunshang-footer-beauty .fav-btn::before {
        display: none;
    }
    
    .yunshang-footer-beauty .fav-btn:hover {
        transform: translateY(-1px) scale(1.01);
    }
}

/* 高对比度模式支持 */
@media (prefers-contrast: high) {
    .yunshang-footer-beauty {
        background: linear-gradient(180deg, #f0f0f0, #e0e0e0);
        border-top: 2px solid #333;
    }
    
    .yunshang-footer-beauty .fav-btn {
        background: #333;
        color: white;
        border: 2px solid #000;
    }
    
    .yunshang-footer-beauty .wave-wrap {
        background: #e0e0e0;
        border: 1px solid #666;
    }
    
    .yunshang-footer-beauty .wave {
        opacity: 0.8;
    }
}

/* 深色模式适配 */
@media (prefers-color-scheme: dark) {
    .yunshang-footer-beauty {
        background: linear-gradient(180deg, rgba(30, 30, 40, 0.8), rgba(20, 20, 30, 0.6));
        border-top: 1px solid rgba(255, 255, 255, 0.1);
    }
    
    .yunshang-footer-beauty .fav-btn {
        box-shadow: 
            0 6px 16px rgba(255, 102, 204, 0.3),
            0 2px 8px rgba(122, 231, 255, 0.2),
            inset 0 1px 0 rgba(255, 255, 255, 0.1);
    }
    
    .yunshang-footer-beauty .wave-wrap {
        background: linear-gradient(180deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.04));
        box-shadow: 
            inset 0 0 16px rgba(0, 0, 0, 0.2),
            0 4px 16px rgba(0, 0, 0, 0.1);
    }
    
    .yunshang-footer-beauty .uptime {
        color: var(--yun-accent-2);
        text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
    }
}

/* 打印样式 */
@media print {
    .yunshang-footer-beauty {
        background: none !important;
        box-shadow: none !important;
        border-top: 1px solid #ccc;
        print-color-adjust: exact;
    }
    
    .yunshang-footer-beauty .wave-wrap,
    .yunshang-footer-beauty .particle {
        display: none;
    }
    
    .yunshang-footer-beauty .fav-btn {
        background: #333 !important;
        color: white !important;
        box-shadow: none !important;
    }
}