/* ========================================
   哈尔滨旅游攻略网 - 全局样式表
   ======================================== */

/* CSS Reset */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue',"Noto Color Emoji", "Apple Color Emoji", Arial, sans-serif;
  line-height: 1.6;
  color: #1f2937;
  background-color: #f9fafb;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;

}

a {
  text-decoration: none;
  color: inherit;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

button {
  cursor: pointer;
  border: none;
  background: none;
}

/* 冰城之旅 LOGO 样式 195x56 完美版 */
.website-logo {
  width: 195px;
  height: 56px;
  object-fit: contain;
  display: block;
  margin: 0;
  padding: 0;
}

/* 手机端自动缩小，不挤压导航 */
@media (max-width: 767px) {
  .website-logo {
    width: 140px;
    height: 40px;
  }
}

/* 电脑端保持 195x56 真实尺寸 */
@media (min-width: 768px) {
  .website-logo {
    width: 195px;
    height: 56px;
  }

}

/* ========== 基础工具类 ========== */
.hidden { display: none !important; }
.block { display: block; }
.inline-block { display: inline-block; }
.inline { display: inline; }
.flex { display: flex; }
.inline-flex { display: inline-flex; }
.grid { display: grid; }

.flex-col { flex-direction: column; }
.flex-row { flex-direction: row; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.items-end { align-items: flex-end; }
.items-stretch { align-items: stretch; }
.justify-start { justify-content: flex-start; }
.justify-end { justify-content: flex-end; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.justify-around { justify-content: space-around; }
.flex-1 { flex: 1 1 0%; }
.flex-shrink-0 { flex-shrink: 0; }
.flex-grow { flex-grow: 1; }

/* ========== Grid ========== */
.grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
.grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid-cols-6 { grid-template-columns: repeat(6, minmax(0, 1fr)); }

/* ========== 间距 ========== */
.space-x-1 > * + * { margin-left: 0.25rem; }
.space-x-2 > * + * { margin-left: 0.5rem; }
.space-x-3 > * + * { margin-left: 0.75rem; }
.space-x-4 > * + * { margin-left: 1rem; }
.space-x-6 > * + * { margin-left: 1.5rem; }
.space-x-8 > * + * { margin-left: 2rem; }

.space-y-1 > * + * { margin-top: 0.25rem; }
.space-y-2 > * + * { margin-top: 0.5rem; }
.space-y-3 > * + * { margin-top: 0.75rem; }
.space-y-4 > * + * { margin-top: 1rem; }
.space-y-6 > * + * { margin-top: 1.5rem; }
.space-y-8 > * + * { margin-top: 2rem; }

.gap-1 { gap: 0.25rem; }
.gap-2 { gap: 0.5rem; }
.gap-3 { gap: 0.75rem; }
.gap-4 { gap: 1rem; }
.gap-5 { gap: 1.25rem; }
.gap-6 { gap: 1.5rem; }
.gap-8 { gap: 2rem; }
.gap-10 { gap: 2.5rem; }
.gap-12 { gap: 3rem; }

/* ========== 内边距 ========== */
.p-1 { padding: 0.25rem; }
.p-2 { padding: 0.5rem; }
.p-3 { padding: 0.75rem; }
.p-4 { padding: 1rem; }
.p-5 { padding: 1.25rem; }
.p-6 { padding: 1.5rem; }
.p-8 { padding: 2rem; }
.p-10 { padding: 2.5rem; }
.p-12 { padding: 3rem; }

.px-1 { padding-left: 0.25rem; padding-right: 0.25rem; }
.px-2 { padding-left: 0.5rem; padding-right: 0.5rem; }
.px-3 { padding-left: 0.75rem; padding-right: 0.75rem; }
.px-4 { padding-left: 1rem; padding-right: 1rem; }
.px-6 { padding-left: 1.5rem; padding-right: 1.5rem; }
.px-8 { padding-left: 2rem; padding-right: 2rem; }
.px-10 { padding-left: 2.5rem; padding-right: 2.5rem; }
.px-12 { padding-left: 3rem; padding-right: 3rem; }

.py-1 { padding-top: 0.25rem; padding-bottom: 0.25rem; }
.py-2 { padding-top: 0.5rem; padding-bottom: 0.5rem; }
.py-3 { padding-top: 0.75rem; padding-bottom: 0.75rem; }
.py-4 { padding-top: 1rem; padding-bottom: 1rem; }
.py-5 { padding-top: 1.25rem; padding-bottom: 1.25rem; }
.py-6 { padding-top: 1.5rem; padding-bottom: 1.5rem; }
.py-8 { padding-top: 2rem; padding-bottom: 2rem; }
.py-10 { padding-top: 2.5rem; padding-bottom: 2.5rem; }
.py-12 { padding-top: 3rem; padding-bottom: 3rem; }
.py-16 { padding-top: 4rem; padding-bottom: 4rem; }
.py-20 { padding-top: 5rem; padding-bottom: 5rem; }
.py-24 { padding-top: 6rem; padding-bottom: 6rem; }

.pt-2 { padding-top: 0.5rem; }
.pt-3 { padding-top: 0.75rem; }
.pt-4 { padding-top: 1rem; }
.pt-8 { padding-top: 2rem; }

.pb-3 { padding-bottom: 0.75rem; }
.pb-4 { padding-bottom: 1rem; }
.pb-8 { padding-bottom: 2rem; }
.pb-10 { padding-bottom: 2.5rem; }

.pl-2 { padding-left: 0.5rem; }
.pl-4 { padding-left: 1rem; }

.pr-2 { padding-right: 0.5rem; }
.pr-4 { padding-right: 1rem; }

/* ========== 外边距 ========== */
.m-0 { margin: 0; }
.m-1 { margin: 0.25rem; }
.m-2 { margin: 0.5rem; }
.m-4 { margin: 1rem; }
.m-6 { margin: 1.5rem; }
.m-8 { margin: 2rem; }
.m-auto { margin: auto; }

.mx-auto { margin-left: auto; margin-right: auto; }
.my-2 { margin-top: 0.5rem; margin-bottom: 0.5rem; }
.my-4 { margin-top: 1rem; margin-bottom: 1rem; }
.my-6 { margin-top: 1.5rem; margin-bottom: 1.5rem; }
.my-8 { margin-top: 2rem; margin-bottom: 2rem; }
.my-10 { margin-top: 2.5rem; margin-bottom: 2.5rem; }
.my-12 { margin-top: 3rem; margin-bottom: 3rem; }

.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 0.75rem; }
.mt-4 { margin-top: 1rem; }
.mt-5 { margin-top: 1.25rem; }
.mt-6 { margin-top: 1.5rem; }
.mt-8 { margin-top: 2rem; }
.mt-10 { margin-top: 2.5rem; }
.mt-12 { margin-top: 3rem; }
.mt-16 { margin-top: 4rem; }
.mt-20 { margin-top: 5rem; }

.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 0.75rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-5 { margin-bottom: 1.25rem; }
.mb-6 { margin-bottom: 1.5rem; }
.mb-8 { margin-bottom: 2rem; }
.mb-10 { margin-bottom: 2.5rem; }
.mb-12 { margin-bottom: 3rem; }
.mb-16 { margin-bottom: 4rem; }
.mb-20 { margin-bottom: 5rem; }

.ml-1 { margin-left: 0.25rem; }
.ml-2 { margin-left: 0.5rem; }
.ml-3 { margin-left: 0.75rem; }
.ml-4 { margin-left: 1rem; }

.mr-1 { margin-right: 0.25rem; }
.mr-2 { margin-right: 0.5rem; }
.mr-3 { margin-right: 0.75rem; }
.mr-4 { margin-right: 1rem; }

/* ========== 尺寸 ========== */
.w-1 { width: 0.25rem; }
.w-2 { width: 0.5rem; }
.w-3 { width: 0.75rem; }
.w-4 { width: 1rem; }
.w-5 { width: 1.25rem; }
.w-6 { width: 1.5rem; }
.w-8 { width: 2rem; }
.w-10 { width: 2.5rem; }
.w-12 { width: 3rem; }
.w-14 { width: 3.5rem; }
.w-16 { width: 4rem; }
.w-20 { width: 5rem; }
.w-24 { width: 6rem; }
.w-32 { width: 8rem; }
.w-40 { width: 10rem; }
.w-48 { width: 12rem; }
.w-56 { width: 14rem; }
.w-64 { width: 16rem; }
.w-72 { width: 18rem; }
.w-80 { width: 20rem; }
.w-96 { width: 24rem; }
.w-full { width: 100%; }
.w-auto { width: auto; }
.w-screen { width: 100vw; }

.h-1 { height: 0.25rem; }
.h-2 { height: 0.5rem; }
.h-3 { height: 0.75rem; }
.h-4 { height: 1rem; }
.h-5 { height: 1.25rem; }
.h-6 { height: 1.5rem; }
.h-8 { height: 2rem; }
.h-10 { height: 2.5rem; }
.h-12 { height: 3rem; }
.h-14 { height: 3.5rem; }
.h-16 { height: 4rem; }
.h-20 { height: 5rem; }
.h-24 { height: 6rem; }
.h-32 { height: 8rem; }
.h-40 { height: 10rem; }
.h-48 { height: 12rem; }
.h-56 { height: 14rem; }
.h-64 { height: 16rem; }
.h-72 { height: 18rem; }
.h-80 { height: 20rem; }
.h-96 { height: 24rem; }
.h-full { height: 100%; }
.h-auto { height: auto; }
.h-screen { height: 100vh; }
.h-0 { height: 0; }

.max-w-xs { max-width: 20rem; }
.max-w-sm { max-width: 24rem; }
.max-w-md { max-width: 28rem; }
.max-w-lg { max-width: 32rem; }
.max-w-xl { max-width: 36rem; }
.max-w-2xl { max-width: 42rem; }
.max-w-3xl { max-width: 48rem; }
.max-w-4xl { max-width: 56rem; }
.max-w-5xl { max-width: 64rem; }
.max-w-6xl { max-width: 72rem; }
.max-w-7xl { max-width: 80rem; }
.max-w-full { max-width: 100%; }

.min-h-screen { min-height: 100vh; }
.min-h-0 { min-height: 0; }

/* ========== 字体 ========== */
.text-xs { font-size: 0.75rem; }
.text-sm { font-size: 0.875rem; }
.text-base { font-size: 1rem; }
.text-lg { font-size: 1.125rem; }
.text-xl { font-size: 1.25rem; }
.text-2xl { font-size: 1.5rem; }
.text-3xl { font-size: 1.875rem; }
.text-4xl { font-size: 2.25rem; }
.text-5xl { font-size: 3rem; }
.text-6xl { font-size: 3.75rem; }
.text-7xl { font-size: 4.5rem; }
.text-8xl { font-size: 6rem; }

.font-thin { font-weight: 100; }
.font-extralight { font-weight: 200; }
.font-light { font-weight: 300; }
.font-normal { font-weight: 400; }
.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }
.font-extrabold { font-weight: 800; }
.font-black { font-weight: 900; }

.leading-none { line-height: 1; }
.leading-tight { line-height: 1.25; }
.leading-snug { line-height: 1.375; }
.leading-normal { line-height: 1.5; }
.leading-relaxed { line-height: 1.625; }
.leading-loose { line-height: 2; }

.text-left { text-align: left; }
.text-center { text-align: center; }
.text-right { text-align: right; }

/* ========== 颜色 ========== */
.text-white { color: #ffffff; }
.text-black { color: #000000; }
.text-transparent { color: transparent; }

.text-gray-50 { color: #f9fafb; }
.text-gray-100 { color: #f3f4f6; }
.text-gray-200 { color: #e5e7eb; }
.text-gray-300 { color: #d1d5db; }
.text-gray-400 { color: #9ca3af; }
.text-gray-500 { color: #6b7280; }
.text-gray-600 { color: #4b5563; }
.text-gray-700 { color: #374151; }
.text-gray-800 { color: #1f2937; }
.text-gray-900 { color: #111827; }

.text-blue-50 { color: #eff6ff; }
.text-blue-100 { color: #dbeafe; }
.text-blue-200 { color: #bfdbfe; }
.text-blue-300 { color: #93c5fd; }
.text-blue-400 { color: #60a5fa; }
.text-blue-500 { color: #3b82f6; }
.text-blue-600 { color: #2563eb; }
.text-blue-700 { color: #1d4ed8; }
.text-blue-800 { color: #1e40af; }
.text-blue-900 { color: #1e3a8a; }

.text-cyan-50 { color: #ecfeff; }
.text-cyan-100 { color: #cffafe; }
.text-cyan-200 { color: #a5f3fc; }
.text-cyan-300 { color: #67e8f9; }
.text-cyan-400 { color: #22d3ee; }
.text-cyan-500 { color: #06b6d4; }
.text-cyan-600 { color: #0891b2; }
.text-cyan-700 { color: #0e7490; }

.text-red-50 { color: #fef2f2; }
.text-red-100 { color: #fee2e2; }
.text-red-200 { color: #fecaca; }
.text-red-300 { color: #fca5a5; }
.text-red-400 { color: #f87171; }
.text-red-500 { color: #ef4444; }
.text-red-600 { color: #dc2626; }
.text-red-700 { color: #b91c1c; }

.text-orange-50 { color: #fff7ed; }
.text-orange-100 { color: #ffedd5; }
.text-orange-200 { color: #fed7aa; }
.text-orange-300 { color: #fdba74; }
.text-orange-400 { color: #fb923c; }
.text-orange-500 { color: #f97316; }
.text-orange-600 { color: #ea580c; }
.text-orange-700 { color: #c2410c; }

.text-yellow-400 { color: #facc15; }
.text-yellow-500 { color: #eab308; }
.text-yellow-600 { color: #ca8a04; }

.text-green-50 { color: #f0fdf4; }
.text-green-100 { color: #dcfce7; }
.text-green-200 { color: #bbf7d0; }
.text-green-300 { color: #86efac; }
.text-green-400 { color: #4ade80; }
.text-green-500 { color: #22c55e; }
.text-green-600 { color: #16a34a; }
.text-green-700 { color: #15803d; }

.text-emerald-500 { color: #10b981; }
.text-emerald-600 { color: #059669; }

.text-purple-50 { color: #faf5ff; }
.text-purple-100 { color: #f3e8ff; }
.text-purple-200 { color: #e9d5ff; }
.text-purple-300 { color: #d8b4fe; }
.text-purple-400 { color: #c084fc; }
.text-purple-500 { color: #a855f7; }
.text-purple-600 { color: #9333ea; }
.text-purple-700 { color: #7e22ce; }

.text-pink-500 { color: #ec4899; }
.text-pink-600 { color: #db2777; }

.text-amber-500 { color: #f59e0b; }
.text-amber-600 { color: #d97706; }

/* ========== 背景色 ========== */
.bg-white { background-color: #ffffff; }
.bg-black { background-color: #000000; }
.bg-transparent { background-color: transparent; }

.bg-gray-50 { background-color: #f9fafb; }
.bg-gray-100 { background-color: #f3f4f6; }
.bg-gray-200 { background-color: #e5e7eb; }
.bg-gray-300 { background-color: #d1d5db; }
.bg-gray-400 { background-color: #9ca3af; }
.bg-gray-500 { background-color: #6b7280; }
.bg-gray-600 { background-color: #4b5563; }
.bg-gray-700 { background-color: #1f2937; }
.bg-gray-800 { background-color: #111827; }
.bg-gray-900 { background-color: #0f172a; }

.bg-blue-50 { background-color: #eff6ff; }
.bg-blue-100 { background-color: #dbeafe; }
.bg-blue-200 { background-color: #bfdbfe; }
.bg-blue-300 { background-color: #93c5fd; }
.bg-blue-400 { background-color: #60a5fa; }
.bg-blue-500 { background-color: #3b82f6; }
.bg-blue-600 { background-color: #2563eb; }
.bg-blue-700 { background-color: #1d4ed8; }
.bg-blue-800 { background-color: #1e40af; }
.bg-blue-900 { background-color: #1e3a8a; }

.bg-cyan-50 { background-color: #ecfeff; }
.bg-cyan-100 { background-color: #cffafe; }
.bg-cyan-200 { background-color: #a5f3fc; }
.bg-cyan-300 { background-color: #67e8f9; }
.bg-cyan-400 { background-color: #22d3ee; }
.bg-cyan-500 { background-color: #06b6d4; }
.bg-cyan-600 { background-color: #0891b2; }
.bg-cyan-700 { background-color: #0e7490; }

.bg-red-50 { background-color: #fef2f2; }
.bg-red-100 { background-color: #fee2e2; }
.bg-red-200 { background-color: #fecaca; }
.bg-red-300 { background-color: #fca5a5; }
.bg-red-400 { background-color: #f87171; }
.bg-red-500 { background-color: #ef4444; }
.bg-red-600 { background-color: #dc2626; }
.bg-red-700 { background-color: #b91c1c; }

.bg-orange-50 { background-color: #fff7ed; }
.bg-orange-100 { background-color: #ffedd5; }
.bg-orange-200 { background-color: #fed7aa; }
.bg-orange-300 { background-color: #fdba74; }
.bg-orange-400 { background-color: #fb923c; }
.bg-orange-500 { background-color: #f97316; }
.bg-orange-600 { background-color: #ea580c; }
.bg-orange-700 { background-color: #c2410c; }

.bg-yellow-50 { background-color: #fefce8; }
.bg-yellow-100 { background-color: #fef9c3; }
.bg-yellow-200 { background-color: #fef08a; }
.bg-yellow-300 { background-color: #fde047; }
.bg-yellow-400 { background-color: #facc15; }
.bg-yellow-500 { background-color: #eab308; }
.bg-yellow-600 { background-color: #ca8a04; }

.bg-green-50 { background-color: #f0fdf4; }
.bg-green-100 { background-color: #dcfce7; }
.bg-green-200 { background-color: #bbf7d0; }
.bg-green-300 { background-color: #86efac; }
.bg-green-400 { background-color: #4ade80; }
.bg-green-500 { background-color: #22c55e; }
.bg-green-600 { background-color: #16a34a; }
.bg-green-700 { background-color: #15803d; }

.bg-emerald-50 { background-color: #ecfdf5; }
.bg-emerald-100 { background-color: #d1fae5; }
.bg-emerald-200 { background-color: #a7f3d0; }
.bg-emerald-300 { background-color: #6ee7b7; }
.bg-emerald-400 { background-color: #34d399; }
.bg-emerald-500 { background-color: #10b981; }
.bg-emerald-600 { background-color: #059669; }

.bg-purple-50 { background-color: #faf5ff; }
.bg-purple-100 { background-color: #f3e8ff; }
.bg-purple-200 { background-color: #e9d5ff; }
.bg-purple-300 { background-color: #d8b4fe; }
.bg-purple-400 { background-color: #c084fc; }
.bg-purple-500 { background-color: #a855f7; }
.bg-purple-600 { background-color: #9333ea; }
.bg-purple-700 { background-color: #7e22ce; }

.bg-pink-50 { background-color: #fdf2f8; }
.bg-pink-100 { background-color: #fce7f3; }
.bg-pink-200 { background-color: #fbcfe8; }
.bg-pink-300 { background-color: #f9a8d4; }
.bg-pink-400 { background-color: #f472b6; }
.bg-pink-500 { background-color: #ec4899; }
.bg-pink-600 { background-color: #db2777; }

.bg-amber-50 { background-color: #fffbeb; }
.bg-amber-100 { background-color: #fef3c7; }
.bg-amber-200 { background-color: #fde68a; }
.bg-amber-300 { background-color: #fcd34d; }
.bg-amber-400 { background-color: #fbbf24; }
.bg-amber-500 { background-color: #f59e0b; }
.bg-amber-600 { background-color: #d97706; }

/* ========== 渐变背景 ========== */
.bg-gradient-to-r {
  background-image: linear-gradient(to right, var(--tw-gradient-stops));
}
.bg-gradient-to-l {
  background-image: linear-gradient(to left, var(--tw-gradient-stops));
}
.bg-gradient-to-b {
  background-image: linear-gradient(to bottom, var(--tw-gradient-stops));
}
.bg-gradient-to-t {
  background-image: linear-gradient(to top, var(--tw-gradient-stops));
}
.bg-gradient-to-br {
  background-image: linear-gradient(to bottom right, var(--tw-gradient-stops));
}
.bg-gradient-to-bl {
  background-image: linear-gradient(to bottom left, var(--tw-gradient-stops));
}
.bg-gradient-to-tr {
  background-image: linear-gradient(to top right, var(--tw-gradient-stops));
}
.bg-gradient-to-tl {
  background-image: linear-gradient(to top left, var(--tw-gradient-stops));
}

.from-white { --tw-gradient-from: #ffffff; --tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-to, rgba(255, 255, 255, 0)); }
.from-blue-50 { --tw-gradient-from: #eff6ff; --tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-to, rgba(239, 246, 255, 0)); }
.from-blue-100 { --tw-gradient-from: #dbeafe; --tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-to, rgba(219, 234, 254, 0)); }
.from-blue-500 { --tw-gradient-from: #3b82f6; --tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-to, rgba(59, 130, 246, 0)); }
.from-cyan-50 { --tw-gradient-from: #ecfeff; --tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-to, rgba(236, 254, 255, 0)); }
.from-cyan-100 { --tw-gradient-from: #cffafe; --tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-to, rgba(207, 250, 254, 0)); }
.from-cyan-500 { --tw-gradient-from: #06b6d4; --tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-to, rgba(6, 182, 212, 0)); }
.from-red-50 { --tw-gradient-from: #fef2f2; --tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-to, rgba(254, 242, 242, 0)); }
.from-red-100 { --tw-gradient-from: #fee2e2; --tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-to, rgba(254, 226, 226, 0)); }
.from-red-500 { --tw-gradient-from: #ef4444; --tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-to, rgba(239, 68, 68, 0)); }
.from-orange-50 { --tw-gradient-from: #fff7ed; --tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-to, rgba(255, 247, 237, 0)); }
.from-orange-100 { --tw-gradient-from: #ffedd5; --tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-to, rgba(255, 237, 213, 0)); }
.from-orange-500 { --tw-gradient-from: #f97316; --tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-to, rgba(249, 115, 22, 0)); }
.from-green-50 { --tw-gradient-from: #f0fdf4; --tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-to, rgba(240, 253, 244, 0)); }
.from-green-100 { --tw-gradient-from: #dcfce7; --tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-to, rgba(220, 252, 231, 0)); }
.from-green-500 { --tw-gradient-from: #22c55e; --tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-to, rgba(34, 197, 94, 0)); }
.from-purple-50 { --tw-gradient-from: #faf5ff; --tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-to, rgba(250, 245, 255, 0)); }
.from-purple-100 { --tw-gradient-from: #f3e8ff; --tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-to, rgba(243, 232, 255, 0)); }
.from-amber-50 { --tw-gradient-from: #fffbeb; --tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-to, rgba(255, 251, 235, 0)); }
.from-amber-100 { --tw-gradient-from: #fef3c7; --tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-to, rgba(254, 243, 199, 0)); }
.from-yellow-50 { --tw-gradient-from: #fefce8; --tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-to, rgba(254, 252, 232, 0)); }
.from-yellow-100 { --tw-gradient-from: #fef9c3; --tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-to, rgba(254, 249, 195, 0)); }
.from-pink-50 { --tw-gradient-from: #fdf2f8; --tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-to, rgba(253, 242, 248, 0)); }
.from-pink-100 { --tw-gradient-from: #fce7f3; --tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-to, rgba(252, 231, 243, 0)); }
.from-emerald-50 { --tw-gradient-from: #ecfdf5; --tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-to, rgba(236, 253, 245, 0)); }
.from-emerald-100 { --tw-gradient-from: #d1fae5; --tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-to, rgba(209, 250, 229, 0)); }
.from-blue-600 { --tw-gradient-from: #2563eb; --tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-to, rgba(37, 99, 235, 0)); }
.from-blue-700 { --tw-gradient-from: #1d4ed8; --tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-to, rgba(29, 78, 216, 0)); }
.from-blue-800 { --tw-gradient-from: #1e40af; --tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-to, rgba(30, 64, 175, 0)); }
.from-blue-900 { --tw-gradient-from: #1e3a8a; --tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-to, rgba(30, 58, 138, 0)); }
.from-cyan-500 { --tw-gradient-from: #06b6d4; --tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-to, rgba(6, 182, 212, 0)); }
.from-cyan-600 { --tw-gradient-from: #0891b2; --tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-to, rgba(8, 145, 178, 0)); }
.from-cyan-700 { --tw-gradient-from: #0e7490; --tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-to, rgba(14, 116, 144, 0)); }
.from-gray-700 { --tw-gradient-from: #374151; --tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-to, rgba(55, 65, 81, 0)); }
.from-red-500 { --tw-gradient-from: #ef4444; --tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-to, rgba(239, 68, 68, 0)); }
.from-red-600 { --tw-gradient-from: #dc2626; --tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-to, rgba(220, 38, 38, 0)); }
.from-red-700 { --tw-gradient-from: #b91c1c; --tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-to, rgba(185, 28, 28, 0)); }
.from-orange-500 { --tw-gradient-from: #f97316; --tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-to, rgba(249, 115, 22, 0)); }
.from-orange-600 { --tw-gradient-from: #ea580c; --tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-to, rgba(234, 88, 12, 0)); }
.from-orange-700 { --tw-gradient-from: #c2410c; --tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-to, rgba(194, 65, 12, 0)); }
.from-amber-600 { --tw-gradient-from: #d97706; --tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-to, rgba(217, 119, 6, 0)); }
.from-green-500 { --tw-gradient-from: #22c55e; --tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-to, rgba(34, 197, 94, 0)); }
.from-emerald-500 { --tw-gradient-from: #10b981; --tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-to, rgba(16, 185, 129, 0)); }
.from-emerald-600 { --tw-gradient-from: #059669; --tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-to, rgba(5, 150, 105, 0)); }
.from-purple-500 { --tw-gradient-from: #a855f7; --tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-to, rgba(168, 85, 247, 0)); }
.from-purple-600 { --tw-gradient-from: #9333ea; --tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-to, rgba(147, 51, 234, 0)); }
.from-purple-500 { --tw-gradient-from: #a855f7; --tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-to, rgba(168, 85, 247, 0)); }
.from-pink-500 { --tw-gradient-from: #ec4899; --tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-to, rgba(236, 72, 153, 0)); }
.from-pink-600 { --tw-gradient-from: #db2777; --tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-to, rgba(219, 39, 119, 0)); }
.from-amber-500 { --tw-gradient-from: #f59e0b; --tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-to, rgba(245, 158, 11, 0)); }
.from-amber-600 { --tw-gradient-from: #d97706; --tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-to, rgba(217, 119, 6, 0)); }
.from-gray-50 { --tw-gradient-from: #f9fafb; --tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-to, rgba(249, 250, 251, 0)); }

.to-blue-600 { --tw-gradient-to: #2563eb; }
.to-blue-700 { --tw-gradient-to: #1d4ed8; }
.to-blue-800 { --tw-gradient-to: #1e40af; }
.to-cyan-600 { --tw-gradient-to: #0891b2; }
.to-cyan-700 { --tw-gradient-to: #0e7490; }
.to-cyan-900 { --tw-gradient-to: #164e63; }
.to-red-600 { --tw-gradient-to: #dc2626; }
.to-orange-600 { --tw-gradient-to: #ea580c; }
.to-orange-500 { --tw-gradient-to: #f97316; }
.to-orange-700 { --tw-gradient-to: #c2410c; }
.to-yellow-600 { --tw-gradient-to: #ca8a04; }
.to-yellow-500 { --tw-gradient-to: #eab308; }
.to-red-600 { --tw-gradient-to: #dc2626; }
.to-red-500 { --tw-gradient-to: #ef4444; }
.to-red-700 { --tw-gradient-to: #b91c1c; }
.to-green-600 { --tw-gradient-to: #16a34a; }
.to-green-500 { --tw-gradient-to: #22c55e; }
.to-emerald-600 { --tw-gradient-to: #059669; }
.to-emerald-500 { --tw-gradient-to: #10b981; }
.to-purple-600 { --tw-gradient-to: #9333ea; }
.to-purple-500 { --tw-gradient-to: #a855f7; }
.to-pink-600 { --tw-gradient-to: #db2777; }
.to-pink-500 { --tw-gradient-to: #ec4899; }
.to-amber-600 { --tw-gradient-to: #d97706; }
.to-amber-500 { --tw-gradient-to: #f59e0b; }
.to-gray-100 { --tw-gradient-to: #f3f4f6; }
.to-gray-800 { --tw-gradient-to: #1f2937; }
.to-gray-900 { --tw-gradient-to: #111827; }
.to-cyan-900 { --tw-gradient-to: #164e63; }
.to-blue-900 { --tw-gradient-to: #1e3a8a; }
.to-white { --tw-gradient-to: #ffffff; }

/* ========== via 渐变中间色 ========== */
.via-blue-600 { --tw-gradient-via: #2563eb; --tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-via), var(--tw-gradient-to, rgba(37, 99, 235, 0)); }
.via-blue-700 { --tw-gradient-via: #1d4ed8; --tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-via), var(--tw-gradient-to, rgba(29, 78, 216, 0)); }
.via-cyan-600 { --tw-gradient-via: #0891b2; --tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-via), var(--tw-gradient-to, rgba(8, 145, 178, 0)); }
.via-red-600 { --tw-gradient-via: #dc2626; --tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-via), var(--tw-gradient-to, rgba(220, 38, 38, 0)); }
.via-orange-600 { --tw-gradient-via: #ea580c; --tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-via), var(--tw-gradient-to, rgba(234, 88, 12, 0)); }
.via-green-600 { --tw-gradient-via: #16a34a; --tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-via), var(--tw-gradient-to, rgba(22, 163, 74, 0)); }
.via-purple-600 { --tw-gradient-via: #9333ea; --tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-via), var(--tw-gradient-to, rgba(147, 51, 234, 0)); }
.via-pink-600 { --tw-gradient-via: #db2777; --tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-via), var(--tw-gradient-to, rgba(219, 39, 119, 0)); }
.via-gray-600 { --tw-gradient-via: #4b5563; --tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-via), var(--tw-gradient-to, rgba(75, 85, 99, 0)); }
.via-gray-700 { --tw-gradient-via: #374151; --tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-via), var(--tw-gradient-to, rgba(55, 65, 81, 0)); }
.via-gray-800 { --tw-gradient-via: #1f2937; --tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-via), var(--tw-gradient-to, rgba(31, 41, 55, 0)); }
.via-cyan-500 { --tw-gradient-via: #06b6d4; --tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-via), var(--tw-gradient-to, rgba(6, 182, 212, 0)); }
.via-cyan-200 { --tw-gradient-via: #a5f3fc; --tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-via), var(--tw-gradient-to, rgba(165, 243, 252, 0)); }
.via-cyan-900 { --tw-gradient-via: #164e63; --tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-via), var(--tw-gradient-to, rgba(22, 78, 99, 0)); }
.via-emerald-600 { --tw-gradient-via: #059669; --tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-via), var(--tw-gradient-to, rgba(5, 150, 105, 0)); }

/* ========== 修复渐变必需添加 ========== */
.from-green-600 { --tw-gradient-from: #16a34a; }
.via-emerald-600 { --tw-gradient-via: #059669; }
.to-cyan-600 { --tw-gradient-to: #0891b2; }

/* ========== 背景裁剪（渐变文字必需） ========== */
.bg-clip-text {
  -webkit-background-clip: text;
  background-clip: text;
}

/* ========== 边框 ========== */
.border { border-width: 1px; }
.border-0 { border-width: 0; }
.border-2 { border-width: 2px; }
.border-4 { border-width: 4px; }

.border-t { border-top-width: 1px; }
.border-r { border-right-width: 1px; }
.border-b { border-bottom-width: 1px; }
.border-l { border-left-width: 1px; }

.border-white { border-color: #ffffff; }
.border-gray-100 { border-color: #f3f4f6; }
.border-gray-200 { border-color: #e5e7eb; }
.border-gray-300 { border-color: #d1d5db; }
.border-gray-400 { border-color: #9ca3af; }
.border-blue-200 { border-color: #bfdbfe; }
.border-blue-300 { border-color: #93c5fd; }
.border-blue-500 { border-color: #3b82f6; }
.border-blue-600 { border-color: #2563eb; }
.border-gray-100 { border-color: #e5e7eb; }

.rounded { border-radius: 0.25rem; }
.rounded-md { border-radius: 0.375rem; }
.rounded-lg { border-radius: 0.5rem; }
.rounded-xl { border-radius: 0.75rem; }
.rounded-2xl { border-radius: 1rem; }
.rounded-3xl { border-radius: 1.5rem; }
.rounded-full { border-radius: 9999px; }

/* ========== 阴影 ========== */
.shadow-sm { box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05); }
.shadow { box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06); }
.shadow-md { box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06); }
.shadow-lg { box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05); }
.shadow-xl { box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04); }
.shadow-2xl { box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25); }
.shadow-inner { box-shadow: inset 0 2px 4px 0 rgba(0, 0, 0, 0.06); }
.shadow-none { box-shadow: none; }

/* ========== 定位 ========== */
.static { position: static; }
.fixed { position: fixed; }
.absolute { position: absolute; }
.relative { position: relative; }
.sticky { position: sticky; }

.inset-0 { top: 0; right: 0; bottom: 0; left: 0; }
.inset-x-0 { left: 0; right: 0; }
.inset-y-0 { top: 0; bottom: 0; }

.top-0 { top: 0; }
.top-1 { top: 0.25rem; }
.top-2 { top: 0.5rem; }
.top-3 { top: 0.75rem; }
.top-4 { top: 1rem; }
.top-6 { top: 1.5rem; }
.top-8 { top: 2rem; }
.top-10 { top: 2.5rem; }
.top-12 { top: 3rem; }
.top-16 { top: 4rem; }
.top-20 { top: 5rem; }

.right-0 { right: 0; }
.right-1 { right: 0.25rem; }
.right-2 { right: 0.5rem; }
.right-3 { right: 0.75rem; }
.right-4 { right: 1rem; }
.right-6 { right: 1.5rem; }
.right-8 { right: 2rem; }

.bottom-0 { bottom: 0; }
.bottom-1 { bottom: 0.25rem; }
.bottom-2 { bottom: 0.5rem; }
.bottom-3 { bottom: 0.75rem; }
.bottom-4 { bottom: 1rem; }
.bottom-6 { bottom: 1.5rem; }
.bottom-8 { bottom: 2rem; }
.bottom-10 { bottom: 2.5rem; }
.bottom-12 { bottom: 3rem; }
.bottom-16 { bottom: 4rem; }
.bottom-20 { bottom: 5rem; }

.left-0 { left: 0; }
.left-1 { left: 0.25rem; }
.left-2 { left: 0.5rem; }
.left-3 { left: 0.75rem; }
.left-4 { left: 1rem; }
.left-6 { left: 1.5rem; }
.left-8 { left: 2rem; }
.left-10 { left: 2.5rem; }
.left-12 { left: 3rem; }
.left-16 { left: 4rem; }
.left-20 { left: 5rem; }
.left-1\/2 { left: 50%; }

.z-0 { z-index: 0; }
.z-10 { z-index: 10; }
.z-20 { z-index: 20; }
.z-30 { z-index: 30; }
.z-40 { z-index: 40; }
.z-50 { z-index: 50; }
.z-auto { z-index: auto; }

/* ========== 变换 ========== */
.transform { transform: translateX(var(--tw-translate-x)) translateY(var(--tw-translate-y)) rotate(var(--tw-rotate)) skewX(var(--tw-skew-x)) skewY(var(--tw-skew-y)) scaleX(var(--tw-scale-x)) scaleY(var(--tw-scale-y)); }
.transform-none { transform: none; }

.translate-x-0 { --tw-translate-x: 0; transform: translateX(var(--tw-translate-x)); }
.translate-x-1 { --tw-translate-x: 0.25rem; transform: translateX(var(--tw-translate-x)); }
.translate-x-2 { --tw-translate-x: 0.5rem; transform: translateX(var(--tw-translate-x)); }
.translate-x-4 { --tw-translate-x: 1rem; transform: translateX(var(--tw-translate-x)); }
.translate-x-8 { --tw-translate-x: 2rem; transform: translateX(var(--tw-translate-x)); }
.translate-x-16 { --tw-translate-x: 4rem; transform: translateX(var(--tw-translate-x)); }
.translate-x-1\\/2 { --tw-translate-x: 50%; transform: translateX(var(--tw-translate-x)); }
.-translate-x-1 { --tw-translate-x: -0.25rem; transform: translateX(var(--tw-translate-x)); }
.-translate-x-2 { --tw-translate-x: -0.5rem; transform: translateX(var(--tw-translate-x)); }
.-translate-x-1\\/2 { --tw-translate-x: -50%; transform: translateX(var(--tw-translate-x)); }

.translate-y-0 { --tw-translate-y: 0; transform: translateY(var(--tw-translate-y)); }
.translate-y-1 { --tw-translate-y: 0.25rem; transform: translateY(var(--tw-translate-y)); }
.translate-y-2 { --tw-translate-y: 0.5rem; transform: translateY(var(--tw-translate-y)); }
.translate-y-3 { --tw-translate-y: 0.75rem; transform: translateY(var(--tw-translate-y)); }
.translate-y-4 { --tw-translate-y: 1rem; transform: translateY(var(--tw-translate-y)); }
.translate-y-8 { --tw-translate-y: 2rem; transform: translateY(var(--tw-translate-y)); }
.translate-y-16 { --tw-translate-y: 4rem; transform: translateY(var(--tw-translate-y)); }
.-translate-y-1 { --tw-translate-y: -0.25rem; transform: translateY(var(--tw-translate-y)); }
.-translate-y-2 { --tw-translate-y: -0.5rem; transform: translateY(var(--tw-translate-y)); }
.-translate-y-3 { --tw-translate-y: -0.75rem; transform: translateY(var(--tw-translate-y)); }
.-translate-y-4 { --tw-translate-y: -1rem; transform: translateY(var(--tw-translate-y)); }
.-translate-y-8 { --tw-translate-y: -2rem; transform: translateY(var(--tw-translate-y)); }
.-translate-y-16 { --tw-translate-y: -4rem; transform: translateY(var(--tw-translate-y)); }

.rotate-0 { --tw-rotate: 0deg; transform: rotate(var(--tw-rotate)); }
.rotate-45 { --tw-rotate: 45deg; transform: rotate(var(--tw-rotate)); }
.rotate-90 { --tw-rotate: 90deg; transform: rotate(var(--tw-rotate)); }
.rotate-180 { --tw-rotate: 180deg; transform: rotate(var(--tw-rotate)); }
.-rotate-45 { --tw-rotate: -45deg; transform: rotate(var(--tw-rotate)); }
.-rotate-90 { --tw-rotate: -90deg; transform: rotate(var(--tw-rotate)); }

.scale-0 { --tw-scale-x: 0; --tw-scale-y: 0; transform: scale(0, 0); }
.scale-50 { --tw-scale-x: 0.5; --tw-scale-y: 0.5; transform: scale(0.5, 0.5); }
.scale-75 { --tw-scale-x: 0.75; --tw-scale-y: 0.75; transform: scale(0.75, 0.75); }
.scale-90 { --tw-scale-x: 0.9; --tw-scale-y: 0.9; transform: scale(0.9, 0.9); }
.scale-95 { --tw-scale-x: 0.95; --tw-scale-y: 0.95; transform: scale(0.95, 0.95); }
.scale-100 { --tw-scale-x: 1; --tw-scale-y: 1; transform: scale(1, 1); }
.scale-105 { --tw-scale-x: 1.05; --tw-scale-y: 1.05; transform: scale(1.05, 1.05); }
.scale-110 { --tw-scale-x: 1.1; --tw-scale-y: 1.1; transform: scale(1.1, 1.1); }
.scale-125 { --tw-scale-x: 1.25; --tw-scale-y: 1.25; transform: scale(1.25, 1.25); }

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

.duration-75 { transition-duration: 75ms; }
.duration-100 { transition-duration: 100ms; }
.duration-150 { transition-duration: 150ms; }
.duration-200 { transition-duration: 200ms; }
.duration-300 { transition-duration: 300ms; }
.duration-500 { transition-duration: 500ms; }
.duration-700 { transition-duration: 700ms; }
.duration-1000 { transition-duration: 1000ms; }

.ease-linear { transition-timing-function: linear; }
.ease-in { transition-timing-function: cubic-bezier(0.4, 0, 1, 1); }
.ease-out { transition-timing-function: cubic-bezier(0, 0, 0.2, 1); }
.ease-in-out { transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1); }

/* ========== 溢出 ========== */
.overflow-auto { overflow: auto; }
.overflow-hidden { overflow: hidden; }
.overflow-visible { overflow: visible; }
.overflow-scroll { overflow: scroll; }
.overflow-x-auto { overflow-x: auto; }
.overflow-y-auto { overflow-y: auto; }
.overflow-x-hidden { overflow-x: hidden; }
.overflow-y-hidden { overflow-y: hidden; }

/* ========== 对象适配 ========== */
.object-contain { object-fit: contain; }
.object-cover { object-fit: cover; }
.object-fill { object-fit: fill; }
.object-none { object-fit: none; }
.object-scale-down { object-fit: scale-down; }

.object-center { object-position: center; }
.object-top { object-position: top; }
.object-bottom { object-position: bottom; }
.object-left { object-position: left; }
.object-right { object-position: right; }

/* ========== 背景 ========== */
.bg-cover { background-size: cover; }
.bg-contain { background-size: contain; }
.bg-full { background-size: 100%; }

.bg-center { background-position: center; }
.bg-top { background-position: top; }
.bg-bottom { background-position: bottom; }
.bg-left { background-position: left; }
.bg-right { background-position: right; }

.bg-no-repeat { background-repeat: no-repeat; }
.bg-repeat { background-repeat: repeat; }
.bg-repeat-x { background-repeat: repeat-x; }
.bg-repeat-y { background-repeat: repeat-y; }

.bg-fixed { background-attachment: fixed; }
.bg-local { background-attachment: local; }
.bg-scroll { background-attachment: scroll; }

/* ========== 混合模式 ========== */
.mix-blend-normal { mix-blend-mode: normal; }
.mix-blend-multiply { mix-blend-mode: multiply; }
.mix-blend-screen { mix-blend-mode: screen; }
.mix-blend-overlay { mix-blend-mode: overlay; }
.mix-blend-darken { mix-blend-mode: darken; }
.mix-blend-lighten { mix-blend-mode: lighten; }
.mix-blend-color-dodge { mix-blend-mode: color-dodge; }
.mix-blend-color-burn { mix-blend-mode: color-burn; }
.mix-blend-hard-light { mix-blend-mode: hard-light; }
.mix-blend-soft-light { mix-blend-mode: soft-light; }
.mix-blend-difference { mix-blend-mode: difference; }
.mix-blend-exclusion { mix-blend-mode: exclusion; }
.mix-blend-hue { mix-blend-mode: hue; }
.mix-blend-saturation { mix-blend-mode: saturation; }
.mix-blend-color { mix-blend-mode: color; }
.mix-blend-luminosity { mix-blend-mode: luminosity; }

/* ========== 不透明度 ========== */
.opacity-0 { opacity: 0; }
.opacity-5 { opacity: 0.05; }
.opacity-10 { opacity: 0.1; }
.opacity-20 { opacity: 0.2; }
.opacity-30 { opacity: 0.3; }
.opacity-40 { opacity: 0.4; }
.opacity-50 { opacity: 0.5; }
.opacity-60 { opacity: 0.6; }
.opacity-70 { opacity: 0.7; }
.opacity-80 { opacity: 0.8; }
.opacity-90 { opacity: 0.9; }
.opacity-95 { opacity: 0.95; }
.opacity-100 { opacity: 1; }

/* ========== backdrop ========== */
.backdrop-blur-sm { backdrop-filter: blur(4px); }
.backdrop-blur { backdrop-filter: blur(8px); }
.backdrop-blur-md { backdrop-filter: blur(12px); }
.backdrop-blur-lg { backdrop-filter: blur(16px); }
.backdrop-blur-xl { backdrop-filter: blur(24px); }

.bg-white\/95 { background-color: rgba(255, 255, 255, 0.95); }
.bg-white\/90 { background-color: rgba(255, 255, 255, 0.9); }
.bg-white\/80 { background-color: rgba(255, 255, 255, 0.8); }
.bg-white\/50 { background-color: rgba(255, 255, 255, 0.5); }
.bg-white\/20 { background-color: rgba(255, 255, 255, 0.2); }
.bg-black\/60 { background-color: rgba(0, 0, 0, 0.6); }
.bg-black\/50 { background-color: rgba(0, 0, 0, 0.5); }

/* ========== Hover 状态 ========== */
.hover\:text-white:hover { color: #ffffff; }
.hover\:text-blue-600:hover { color: #2563eb; }
.hover\:text-gray-700:hover { color: #374151; }
.hover\:text-gray-900:hover { color: #111827; }

.hover\:bg-white:hover { background-color: #ffffff; }
.hover\:bg-gray-50:hover { background-color: #f9fafb; }
.hover\:bg-gray-100:hover { background-color: #f3f4f6; }
.hover\:bg-gray-200:hover { background-color: #e5e7eb; }
.hover\:bg-blue-50:hover { background-color: #eff6ff; }
.hover\:bg-blue-600:hover { background-color: #2563eb; }
.hover\:bg-blue-700:hover { background-color: #1d4ed8; }
.hover\:bg-cyan-50:hover { background-color: #ecfeff; }
.hover\:bg-cyan-600:hover { background-color: #0891b2; }
.hover\:bg-cyan-700:hover { background-color: #0e7490; }
.hover\:bg-orange-50:hover { background-color: #fff7ed; }
.hover\:bg-orange-600:hover { background-color: #ea580c; }
.hover\:bg-orange-700:hover { background-color: #c2410c; }
.hover\:bg-purple-50:hover { background-color: #faf5ff; }
.hover\:bg-purple-600:hover { background-color: #9333ea; }
.hover\:bg-purple-700:hover { background-color: #7e22ce; }
.hover\:bg-green-50:hover { background-color: #f0fdf4; }
.hover\:bg-green-600:hover { background-color: #16a34a; }
.hover\:bg-green-700:hover { background-color: #15803d; }
.hover\:bg-red-50:hover { background-color: #fef2f2; }
.hover\:bg-red-600:hover { background-color: #dc2626; }
.hover\:bg-red-700:hover { background-color: #b91c1c; }

.hover\:from-blue-700:hover { --tw-gradient-from: #1d4ed8; }
.hover\:from-blue-600:hover { --tw-gradient-from: #2563eb; }
.hover\:to-cyan-700:hover { --tw-gradient-to: #0e7490; }
.hover\:to-cyan-600:hover { --tw-gradient-to: #0891b2; }
.hover\:from-purple-700:hover { --tw-gradient-from: #7e22ce; }
.hover\:from-purple-600:hover { --tw-gradient-from: #9333ea; }
.hover\:to-blue-700:hover { --tw-gradient-to: #1d4ed8; }
.hover\:to-blue-600:hover { --tw-gradient-to: #2563eb; }
.hover\:from-orange-600:hover { --tw-gradient-from: #ea580c; }
.hover\:from-orange-500:hover { --tw-gradient-from: #f97316; }
.hover\:to-red-600:hover { --tw-gradient-to: #dc2626; }
.hover\:to-red-500:hover { --tw-gradient-to: #ef4444; }
.hover\:from-green-600:hover { --tw-gradient-from: #16a34a; }
.hover\:from-green-500:hover { --tw-gradient-from: #22c55e; }
.hover\:to-emerald-600:hover { --tw-gradient-to: #059669; }
.hover\:to-emerald-500:hover { --tw-gradient-to: #10b981; }
.hover\:from-cyan-600:hover { --tw-gradient-from: #0891b2; }
.hover\:from-cyan-500:hover { --tw-gradient-from: #06b6d4; }
.hover\:from-cyan-700:hover { --tw-gradient-from: #0e7490; }
.hover\:to-pink-700:hover { --tw-gradient-to: #db2777; }
.hover\:to-pink-600:hover { --tw-gradient-to: #ec4899; }

.hover\:shadow-xl:hover { box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04); }
.hover\:shadow-2xl:hover { box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25); }
.hover\:shadow-md:hover { box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06); }

.hover\:scale-105:hover { --tw-scale-x: 1.05; --tw-scale-y: 1.05; transform: scale(1.05, 1.05); }
.hover\:scale-110:hover { --tw-scale-x: 1.1; --tw-scale-y: 1.1; transform: scale(1.1, 1.1); }

.hover\:underline:hover { text-decoration: underline; }

.hover\:opacity-75:hover { opacity: 0.75; }
.hover\:opacity-100:hover { opacity: 1; }

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

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-spin {
  animation: spin 10s linear infinite;
}

.animate-pulse {
  animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

.animate-bounce {
  animation: bounce 2s infinite;
}

.animate-fade-in-down {
  animation: fadeInDown 0.7s ease-out;
}

.animate-fade-in-up {
  animation: fadeInUp 0.7s ease-out;
}

/* ========== 雪花效果 ========== */
.snowflake {
  position: absolute;
  background: white;
  border-radius: 50%;
  opacity: 0.3;
  animation: snowfall linear infinite;
}

@keyframes snowfall {
  from {
    transform: translateY(-100vh) rotate(0deg);
    opacity: 0;
  }
  10% {
    opacity: 0.3;
  }
  90% {
    opacity: 0.3;
  }
  to {
    transform: translateY(100vh) rotate(360deg);
    opacity: 0;
  }
}

/* ========== 组件样式 ========== */
.navbar-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem;
  color: #4b5563;
  transition: color 0.2s;
}

.navbar-toggle:hover {
  color: #2563eb;
}

.attraction-card,
.food-card,
.lodging-card,
.news-card {
  display: block;
  background: white;
  border-radius: 1rem;
  overflow: hidden;
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.attraction-card:hover,
.food-card:hover,
.lodging-card:hover,
.news-card:hover {
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  transform: translateY(-0.75rem);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  border-radius: 9999px;
  font-weight: 600;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
}

.btn:hover {
  transform: scale(1.05);
}

/* ========== 列表 ========== */
.list-none { list-style-type: none; }
.list-disc { list-style-type: disc; }

/* ========== 截断 ========== */
.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.line-clamp-1 { overflow: hidden; display: -webkit-box; -webkit-box-orient: vertical; -webkit-line-clamp: 1; }
.line-clamp-2 { overflow: hidden; display: -webkit-box; -webkit-box-orient: vertical; -webkit-line-clamp: 2; }
.line-clamp-3 { overflow: hidden; display: -webkit-box; -webkit-box-orient: vertical; -webkit-line-clamp: 3; }

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

/* ========== 响应式设计 ========== */
@media (min-width: 640px) {
  .sm\:block { display: block; }
  .sm\:flex { display: flex; }
  .sm\:grid { display: grid; }
  .sm\:hidden { display: none; }
  .sm\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .sm\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .sm\:flex-row { flex-direction: row; }
  .sm\:items-center { align-items: center; }
  .sm\:justify-center { justify-content: center; }
  .sm\:gap-4 { gap: 1rem; }
  .sm\:gap-6 { gap: 1.5rem; }
  .sm\:p-6 { padding: 1.5rem; }
  .sm\:px-6 { padding-left: 1.5rem; padding-right: 1.5rem; }
  .sm\:text-left { text-align: left; }
  .sm\:text-2xl { font-size: 1.5rem; }
  .sm\:text-3xl { font-size: 1.875rem; }
  .sm\:text-4xl { font-size: 2.25rem; }
}

@media (min-width: 768px) {
  .md\:block { display: block; }
  .md\:flex { display: flex; }
  .md\:grid { display: grid; }
  .md\:hidden { display: none; }
  .md\:flex-row { flex-direction: row; }
  .md\:items-center { align-items: center; }
  .md\:justify-between { justify-content: space-between; }
  .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\:gap-6 { gap: 1.5rem; }
  .md\:gap-8 { gap: 2rem; }
  .md\:p-8 { padding: 2rem; }
  .md\:px-6 { padding-left: 1.5rem; padding-right: 1.5rem; }
  .md\:px-8 { padding-left: 2rem; padding-right: 2rem; }
  .md\:py-12 { padding-top: 3rem; padding-bottom: 3rem; }
  .md\:py-16 { padding-top: 4rem; padding-bottom: 4rem; }
  .md\:py-20 { padding-top: 5rem; padding-bottom: 5rem; }
  .md\:text-2xl { font-size: 1.5rem; }
  .md\:text-3xl { font-size: 1.875rem; }
  .md\:text-4xl { font-size: 2.25rem; }
  .md\:text-5xl { font-size: 3rem; }
  .md\:text-6xl { font-size: 3.75rem; }
  .md\:text-7xl { font-size: 4.5rem; }
  .md\:h-36 { height: 9rem; }
  .md\:h-48 { height: 12rem; }
  .md\:w-48 { width: 12rem; }
}

@media (min-width: 1024px) {
  .lg\:block { display: block; }
  .lg\:flex { display: flex; }
  .lg\:grid { display: grid; }
  .lg\:hidden { display: none; }
  .lg\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .lg\:grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .lg\:grid-cols-6 { grid-template-columns: repeat(6, minmax(0, 1fr)); }
  .lg\:gap-8 { gap: 2rem; }
  .lg\:p-10 { padding: 2.5rem; }
  .lg\:px-8 { padding-left: 2rem; padding-right: 2rem; }
  .lg\:py-24 { padding-top: 6rem; padding-bottom: 6rem; }
  .lg\:text-3xl { font-size: 1.875rem; }
  .lg\:text-4xl { font-size: 2.25rem; }
  .lg\:text-5xl { font-size: 3rem; }
  .lg\:text-6xl { font-size: 3.75rem; }
  .lg\:text-7xl { font-size: 4.5rem; }
}

@media (min-width: 1280px) {
  .xl\:grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .xl\:gap-10 { gap: 2.5rem; }
}

/* ========== 移动端优化 ========== */
@media (max-width: 640px) {
  html {
    font-size: 14px;
  }

  body {
    -webkit-tap-highlight-color: transparent;
  }

  .touch-feedback:active {
    opacity: 0.8;
    transform: scale(0.98);
  }

  .safe-area-inset-top {
    padding-top: env(safe-area-inset-top);
  }

  .safe-area-inset-bottom {
    padding-bottom: env(safe-area-inset-bottom);
  }
}

/* ========== 滚动条美化 ========== */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: #f1f1f1;
  border-radius: 4px;
}

::-webkit-scrollbar-thumb {
  background: #c1c1c1;
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: #a1a1a1;
}

/* ========== 打印样式 ========== */
@media print {
  .no-print {
    display: none !important;
  }
}




/* ========== 修复导航显示：必需加 ========== */
@media (min-width: 768px) {
  .md\:hidden { display: none !important; }
  .md\:flex { display: flex !important; }
  .md\:block { display: block !important; }
}