/* 本地基础样式：不依赖国外 Tailwind CDN */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; }
img { max-width: 100%; height: auto; display: block; }
button, input { font: inherit; }
a { color: inherit; text-decoration: none; }

.container-main { max-width: 1200px; margin: 0 auto; padding: 0 16px; }
.page-view { display: none; }
.page-view.active { display: block; }

.flex { display: flex; }
.flex-wrap { flex-wrap: wrap; }
.flex-1 { flex: 1 1 0%; }
.flex-shrink-0 { flex-shrink: 0; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.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; }

.grid { display: grid; }
.grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
@media (min-width: 640px) {
  .sm\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (min-width: 768px) {
  .md\:block { display: block; }
  .md\:flex { display: flex; }
  .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\:w-auto { width: auto; }
  .md\:col-span-1 { grid-column: span 1 / span 1; }
  .md\:col-span-2 { grid-column: span 2 / span 2; }
}
@media (min-width: 1024px) {
  .lg\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .lg\:grid-cols-5 { grid-template-columns: repeat(5, minmax(0, 1fr)); }
}

.hidden { display: none !important; }
.block { display: block; }
.inline-block { display: inline-block; }
.inline-flex { display: inline-flex; }
.relative { position: relative; }
.absolute { position: absolute; }
.fixed { position: fixed; }
.sticky { position: sticky; }
.inset-0 { inset: 0; }
.top-0 { top: 0; }
.z-40 { z-index: 40; }
.z-50 { z-index: 50; }

.w-full { width: 100%; }
.w-8 { width: 2rem; }
.w-10 { width: 2.5rem; }
.w-12 { width: 3rem; }
.h-8 { height: 2rem; }
.h-10 { height: 2.5rem; }
.h-11 { height: 2.75rem; }
.h-12 { height: 3rem; }
.max-w-xl { max-width: 36rem; }
.min-h-screen { min-height: 100vh; }
.shrink-0 { flex-shrink: 0; }

.p-3 { padding: 0.75rem; }
.p-4 { padding: 1rem; }
.p-5 { padding: 1.25rem; }
.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-5 { padding-left: 1.25rem; padding-right: 1.25rem; }
.px-6 { padding-left: 1.5rem; padding-right: 1.5rem; }
.px-8 { padding-left: 2rem; padding-right: 2rem; }
.py-1 { padding-top: 0.25rem; padding-bottom: 0.25rem; }
.py-1\.5 { padding-top: 0.375rem; padding-bottom: 0.375rem; }
.py-2 { padding-top: 0.5rem; padding-bottom: 0.5rem; }
.py-2\.5 { padding-top: 0.625rem; padding-bottom: 0.625rem; }
.py-3 { padding-top: 0.75rem; padding-bottom: 0.75rem; }
.py-6 { padding-top: 1.5rem; padding-bottom: 1.5rem; }
.pt-10 { padding-top: 2.5rem; }
.pb-6 { padding-bottom: 1.5rem; }
.pl-3 { padding-left: 0.75rem; }
.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-8 { margin-bottom: 2rem; }
.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-4 { margin-top: 1rem; }
.mt-6 { margin-top: 1.5rem; }
.mt-10 { margin-top: 2.5rem; }
.mx-4 { margin-left: 1rem; margin-right: 1rem; }
.mx-auto { margin-left: auto; margin-right: auto; }

.text-xs { font-size: 0.75rem; line-height: 1rem; }
.text-sm { font-size: 0.875rem; line-height: 1.25rem; }
.text-base { font-size: 1rem; }
.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; }
.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }
.leading-none { line-height: 1; }
.leading-relaxed { line-height: 1.625; }
.tracking-wide { letter-spacing: 0.025em; }
.text-center { text-align: center; }
.text-right { text-align: right; }
.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.whitespace-nowrap { white-space: nowrap; }

.text-white { color: #fff !important; }
.text-gray-400 { color: #9ca3af; }
.text-gray-500 { color: #6b7280; }
.text-gray-600 { color: #4b5563; }
.text-gray-800 { color: #1f2937; }
.text-sky-200 { color: #bae6fd; }
.text-yiche, .text-yicheOrange { color: #0B2A4A !important; }

.bg-white { background-color: #fff; }
.bg-\[\#111827\] { background-color: #111827; }
.bg-yiche, .bg-yicheOrange { background-color: #0B2A4A !important; color: #fff !important; }
.bg-sky-50 { background-color: #f0f9ff; }
.bg-sky-100 { background-color: #e0f2fe; }
.bg-red-100 { background-color: #fee2e2; }
.text-red-600 { color: #dc2626; }

.border { border-width: 1px; border-style: solid; border-color: #e5e7eb; }
.border-b { border-bottom: 1px solid #e5e7eb; }
.border-l-4 { border-left: 4px solid #0B2A4A; }
.border-gray-200 { border-color: #e5e7eb; }
.border-gray-300 { border-color: #d1d5db; }
.border-yiche, .border-yicheOrange { border-color: #0B2A4A !important; }
.rounded { border-radius: 0.25rem; }
.rounded-lg { border-radius: 0.5rem; }
.rounded-xl { border-radius: 0.75rem; }
.rounded-full { border-radius: 9999px; }
.rounded-l-full { border-top-left-radius: 9999px; border-bottom-left-radius: 9999px; }
.rounded-r-full { border-top-right-radius: 9999px; border-bottom-right-radius: 9999px; }

.shadow { box-shadow: 0 1px 3px rgba(0,0,0,.1), 0 1px 2px rgba(0,0,0,.06); }
.shadow-lg { box-shadow: 0 10px 15px rgba(0,0,0,.1); }
.outline-none { outline: none; }
.overflow-hidden { overflow: hidden; }
.overflow-x-auto { overflow-x: auto; }
.cursor-pointer { cursor: pointer; }
.transition { transition: all .2s ease; }
.hover\:underline:hover { text-decoration: underline; }
.hover\:shadow-lg:hover { box-shadow: 0 10px 15px rgba(0,0,0,.1); }
.hover\:bg-sky-600:hover { background-color: #0284c7 !important; }
.hover\:bg-blue-50:hover { background-color: #E8EEF5 !important; }
.hover\:text-yicheOrange:hover { color: #0B2A4A !important; }
.hover\:border-yicheOrange:hover { border-color: #0B2A4A !important; }
.focus\:border-yicheOrange:focus { border-color: #0B2A4A !important; }

.space-y-2 > * + * { margin-top: 0.5rem; }
.divide-y > * + * { border-top: 1px solid #f3f4f6; }
.divide-gray-100 > * + * { border-color: #f3f4f6; }

/* 导航强制可读 */
.site-nav, .site-nav a, .site-nav .nav-link {
  color: #fff !important;
}
.site-nav a:hover { opacity: 0.92; }

/* 顶部条 */
.site-topbar { font-size: 0.8rem; }