/* TailwindCSS 核心样式 - 仅包含首页需要的核心样式 */
*, ::before, ::after {
  --tw-border-spacing-x: 0;
  --tw-border-spacing-y: 0;
  --tw-translate-x: 0;
  --tw-translate-y: 0;
  --tw-rotate: 0;
  --tw-skew-x: 0;
  --tw-skew-y: 0;
  --tw-scale-x: 1;
  --tw-scale-y: 1;
  --tw-pan-x:  ;
  --tw-pan-y:  ;
  --tw-pinch-zoom:  ;
  --tw-scroll-snap-strictness: proximity;
  --tw-gradient-from-position:  ;
  --tw-gradient-via-position:  ;
  --tw-gradient-to-position:  ;
  --tw-ordinal:  ;
  --tw-slashed-zero:  ;
  --tw-numeric-figure:  ;
  --tw-numeric-spacing:  ;
  --tw-numeric-fraction:  ;
  --tw-ring-inset:  ;
  --tw-ring-offset-width: 0px;
  --tw-ring-offset-color: #fff;
  --tw-ring-color: rgb(59 130 246 / 0.5);
  --tw-ring-offset-shadow: 0 0 #0000;
  --tw-ring-shadow: 0 0 #0000;
  --tw-shadow: 0 0 #0000;
  --tw-shadow-colored: 0 0 #0000;
  --tw-blur:  ;
  --tw-brightness:  ;
  --tw-contrast:  ;
  --tw-grayscale:  ;
  --tw-hue-rotate:  ;
  --tw-invert:  ;
  --tw-saturate:  ;
  --tw-sepia:  ;
  --tw-drop-shadow:  ;
  --tw-backdrop-blur:  ;
  --tw-backdrop-brightness:  ;
  --tw-backdrop-contrast:  ;
  --tw-backdrop-grayscale:  ;
  --tw-backdrop-hue-rotate:  ;
  --tw-backdrop-invert:  ;
  --tw-backdrop-opacity:  ;
  --tw-backdrop-saturate:  ;
  --tw-backdrop-sepia:  ;
}

::backdrop {
  --tw-border-spacing-x: 0;
  --tw-border-spacing-y: 0;
  --tw-translate-x: 0;
  --tw-translate-y: 0;
  --tw-rotate: 0;
  --tw-skew-x: 0;
  --tw-skew-y: 0;
  --tw-scale-x: 1;
  --tw-scale-y: 1;
  --tw-pan-x:  ;
  --tw-pan-y:  ;
  --tw-pinch-zoom:  ;
  --tw-scroll-snap-strictness: proximity;
  --tw-gradient-from-position:  ;
  --tw-gradient-via-position:  ;
  --tw-gradient-to-position:  ;
  --tw-ordinal:  ;
  --tw-slashed-zero:  ;
  --tw-numeric-figure:  ;
  --tw-numeric-spacing:  ;
  --tw-numeric-fraction:  ;
  --tw-ring-inset:  ;
  --tw-ring-offset-width: 0px;
  --tw-ring-offset-color: #fff;
  --tw-ring-color: rgb(59 130 246 / 0.5);
  --tw-ring-offset-shadow: 0 0 #0000;
  --tw-ring-shadow: 0 0 #0000;
  --tw-shadow: 0 0 #0000;
  --tw-shadow-colored: 0 0 #0000;
  --tw-blur:  ;
  --tw-brightness:  ;
  --tw-contrast:  ;
  --tw-grayscale:  ;
  --tw-hue-rotate:  ;
  --tw-invert:  ;
  --tw-saturate:  ;
  --tw-sepia:  ;
  --tw-drop-shadow:  ;
  --tw-backdrop-blur:  ;
  --tw-backdrop-brightness:  ;
  --tw-backdrop-contrast:  ;
  --tw-backdrop-grayscale:  ;
  --tw-backdrop-hue-rotate:  ;
  --tw-backdrop-invert:  ;
  --tw-backdrop-opacity:  ;
  --tw-backdrop-saturate:  ;
  --tw-backdrop-sepia:  ;
}

/* 核心布局样式 */
.container {
  width: 100%;
}

@media (min-width: 640px) {
  .container {
    max-width: 640px;
  }
}

@media (min-width: 768px) {
  .container {
    max-width: 768px;
  }
}

@media (min-width: 1024px) {
  .container {
    max-width: 1024px;
  }
}

@media (min-width: 1280px) {
  .container {
    max-width: 1280px;
  }
}

@media (min-width: 1536px) {
  .container {
    max-width: 1536px;
  }
}

/* 常用工具类 */
.fixed { position: fixed; }
.absolute { position: absolute; }
.relative { position: relative; }
.top-0 { top: 0px; }
.z-50 { z-index: 50; }
.z-10 { z-index: 10; }
.mx-auto { margin-left: auto; margin-right: auto; }
.my-4 { margin-top: 1rem; margin-bottom: 1rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-6 { margin-bottom: 1.5rem; }
.mb-8 { margin-bottom: 2rem; }
.mb-16 { margin-bottom: 4rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-16 { margin-top: 4rem; }
.mr-2 { margin-right: 0.5rem; }
.mr-3 { margin-right: 0.75rem; }
.ml-1 { margin-left: 0.25rem; }
.ml-2 { margin-left: 0.5rem; }
.mt-1 { margin-top: 0.25rem; }
.mt-auto { margin-top: auto; }

/* Flexbox */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-row { flex-direction: row; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.space-x-2 > :not([hidden]) ~ :not([hidden]) { --tw-space-x-reverse: 0; margin-right: calc(0.5rem * var(--tw-space-x-reverse)); margin-left: calc(0.5rem * calc(1 - var(--tw-space-x-reverse))); }
.space-x-4 > :not([hidden]) ~ :not([hidden]) { --tw-space-x-reverse: 0; margin-right: calc(1rem * var(--tw-space-x-reverse)); margin-left: calc(1rem * calc(1 - var(--tw-space-x-reverse))); }
.space-x-8 > :not([hidden]) ~ :not([hidden]) { --tw-space-x-reverse: 0; margin-right: calc(2rem * var(--tw-space-x-reverse)); margin-left: calc(2rem * calc(1 - var(--tw-space-x-reverse))); }
.space-y-4 > :not([hidden]) ~ :not([hidden]) { --tw-space-y-reverse: 0; margin-top: calc(1rem * calc(1 - var(--tw-space-y-reverse))); margin-bottom: calc(1rem * var(--tw-space-y-reverse)); }

/* Grid */
.grid { display: grid; }
.grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.gap-4 { gap: 1rem; }
.gap-8 { gap: 2rem; }

/* 宽度 */
.w-full { width: 100%; }
.w-16 { width: 4rem; }
.h-16 { height: 4rem; }
.min-h-screen { min-height: 100vh; }
.max-w-2xl { max-width: 42rem; }
.max-w-3xl { max-width: 48rem; }
.max-w-4xl { max-width: 56rem; }

/* 内边距 */
.p-8 { padding: 2rem; }
.px-4 { padding-left: 1rem; padding-right: 1rem; }
.px-8 { padding-left: 2rem; padding-right: 2rem; }
.py-4 { padding-top: 1rem; padding-bottom: 1rem; }
.py-20 { padding-top: 5rem; padding-bottom: 5rem; }

/* 文字 */
.text-center { text-align: center; }
.text-white { --tw-text-opacity: 1; color: rgb(255 255 255 / var(--tw-text-opacity)); }
.text-gray-300 { --tw-text-opacity: 1; color: rgb(209 213 219 / var(--tw-text-opacity)); }
.text-gray-400 { --tw-text-opacity: 1; color: rgb(156 163 175 / var(--tw-text-opacity)); }
.text-blue-400 { --tw-text-opacity: 1; color: rgb(96 165 250 / var(--tw-text-opacity)); }
.text-purple-400 { --tw-text-opacity: 1; color: rgb(196 181 253 / var(--tw-text-opacity)); }
.text-yellow-400 { --tw-text-opacity: 1; color: rgb(251 191 36 / var(--tw-text-opacity)); }
.text-blue-500 { --tw-text-opacity: 1; color: rgb(59 130 246 / var(--tw-text-opacity)); }
.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-4xl { font-size: 2.25rem; line-height: 2.5rem; }
.text-5xl { font-size: 3rem; line-height: 1; }
.font-bold { font-weight: 700; }
.font-semibold { font-weight: 600; }

/* 背景 */
.bg-gray-900 { --tw-bg-opacity: 1; background-color: rgb(17 24 39 / var(--tw-bg-opacity)); }
.bg-transparent { background-color: transparent; }
.bg-gradient-to-r { background-image: linear-gradient(to right, var(--tw-gradient-stops)); }
.from-blue-500 { --tw-gradient-from: #3b82f6; --tw-gradient-to: rgb(59 130 246 / 0); --tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-to); }
.from-green-500 { --tw-gradient-from: #10b981; --tw-gradient-to: rgb(16 185 129 / 0); --tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-to); }
.from-purple-500 { --tw-gradient-from: #8b5cf6; --tw-gradient-to: rgb(139 92 246 / 0); --tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-to); }
.from-red-500 { --tw-gradient-from: #ef4444; --tw-gradient-to: rgb(239 68 68 / 0); --tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-to); }
.to-purple-600 { --tw-gradient-to: #9333ea; }
.to-blue-600 { --tw-gradient-to: #2563eb; }
.to-pink-600 { --tw-gradient-to: #db2777; }
.to-teal-600 { --tw-gradient-to: #0d9488; }

/* 边框 */
.border { border-width: 1px; }
.border-white { --tw-border-opacity: 1; border-color: rgb(255 255 255 / var(--tw-border-opacity)); }
.rounded-lg { border-radius: 0.5rem; }
.rounded-2xl { border-radius: 1rem; }
.rounded-full { border-radius: 9999px; }

/* 过渡动画 */
.transition-all { transition-property: all; transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1); transition-duration: 150ms; }
.transition-colors { transition-property: color, background-color, border-color, text-decoration-color, fill, stroke; transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1); transition-duration: 150ms; }
.transition-opacity { transition-property: opacity; transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1); transition-duration: 150ms; }

/* 悬停效果 */
.hover\:text-blue-400:hover { --tw-text-opacity: 1; color: rgb(96 165 250 / var(--tw-text-opacity)); }
.hover\:text-white:hover { --tw-text-opacity: 1; color: rgb(255 255 255 / var(--tw-text-opacity)); }
.hover\:text-black:hover { --tw-text-opacity: 1; color: rgb(0 0 0 / var(--tw-text-opacity)); }
.hover\:bg-white:hover { --tw-bg-opacity: 1; background-color: rgb(255 255 255 / var(--tw-bg-opacity)); }
.hover\:bg-blue-600:hover { --tw-bg-opacity: 1; background-color: rgb(37 99 235 / var(--tw-bg-opacity)); }
.hover\:opacity-80:hover { opacity: 0.8; }

/* 响应式设计 */
@media (min-width: 640px) {
  .sm\:flex-row { flex-direction: row; }
}

@media (min-width: 768px) {
  .md\:flex { display: flex; }
  .md\:hidden { display: none; }
  .md\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .md\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .md\:grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .md\:text-2xl { font-size: 1.5rem; line-height: 2rem; }
  .md\:text-7xl { font-size: 4.5rem; line-height: 1; }
}

@media (min-width: 1024px) {
  .lg\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .lg\:grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

/* AOS动画样式 */
[data-aos] {
  pointer-events: none;
}
.aos-animate {
  pointer-events: auto;
}

[data-aos="fade"] {
  opacity: 0;
  transition-property: opacity;
}

[data-aos="fade"].aos-animate {
  opacity: 1;
}

[data-aos="fade-up"] {
  opacity: 0;
  transform: translate3d(0, 100px, 0);
  transition-property: transform, opacity;
}

[data-aos="fade-up"].aos-animate {
  opacity: 1;
  transform: translate3d(0, 0, 0);
}

[data-aos="fade-down"] {
  opacity: 0;
  transform: translate3d(0, -100px, 0);
  transition-property: transform, opacity;
}

[data-aos="fade-down"].aos-animate {
  opacity: 1;
  transform: translate3d(0, 0, 0);
}

[data-aos="fade-left"] {
  opacity: 0;
  transform: translate3d(-100px, 0, 0);
  transition-property: transform, opacity;
}

[data-aos="fade-left"].aos-animate {
  opacity: 1;
  transform: translate3d(0, 0, 0);
}

[data-aos="fade-right"] {
  opacity: 0;
  transform: translate3d(100px, 0, 0);
  transition-property: transform, opacity;
}

[data-aos="fade-right"].aos-animate {
  opacity: 1;
  transform: translate3d(0, 0, 0);
}

/* AOS默认动画持续时间 */
[data-aos] {
  transition-duration: 400ms;
  transition-timing-function: ease;
}

[data-aos][data-aos-duration="1000"] {
  transition-duration: 1000ms;
}

/* AOS延迟 */
[data-aos-delay="100"] {
  transition-delay: 100ms;
}

[data-aos-delay="200"] {
  transition-delay: 200ms;
}

[data-aos-delay="300"] {
  transition-delay: 300ms;
}

/* 组下拉菜单样式 */
.group:hover .group-hover\:opacity-100 {
  opacity: 1;
}

.group:hover .group-hover\:visible {
  visibility: visible;
}

.opacity-0 {
  opacity: 0;
}

.invisible {
  visibility: hidden;
}

/* 隐藏和显示 */
.block {
  display: block;
}

/* 其他工具类 */
.cursor-pointer {
  cursor: pointer;
}

.overflow-hidden {
  overflow: hidden;
}

.whitespace-nowrap {
  white-space: nowrap;
}