/* 落地页兜底样式 - Tailwind加载失败时生效 */
* { box-sizing: border-box; margin: 0; padding: 0; }
body { background: #0b1120; color: #e2e8f0; font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif; line-height: 1.5; }
.min-h-screen { min-height: 100vh; }
.fixed { position: fixed; }
.relative { position: relative; }
.absolute { position: absolute; }
.top-0 { top: 0; }
.left-0 { left: 0; }
.right-0 { right: 0; }
.inset-0 { top:0;right:0;bottom:0;left:0; }
.z-50 { z-index: 50; }
.z-10 { z-index: 10; }
.z-60 { z-index: 60; }
.hidden { display: none !important; }
.flex { display: flex; }
.inline-flex { display: inline-flex; }
.block { display: block; }
.grid { display: grid; }
.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid-cols-6 { grid-template-columns: repeat(6, 1fr); }
@media (min-width: 640px) { .sm\:grid-cols-3 { grid-template-columns: repeat(3, 1fr); } .sm\:flex-row { flex-direction: row; } }
@media (min-width: 1024px) { .lg\:grid-cols-6 { grid-template-columns: repeat(6, 1fr); } .lg\:flex-row { flex-direction: row; } .lg\:text-left { text-align: left; } .lg\:mx-0 { margin-left: 0; margin-right: 0; } .lg\:start { justify-content: flex-start; } }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-3 { gap: 0.75rem; }
.gap-4 { gap: 1rem; }
.gap-12 { gap: 3rem; }
.flex-1 { flex: 1; }
.max-w-5xl { max-width: 64rem; }
.max-w-7xl { max-width: 80rem; }
.max-w-xl { max-width: 36rem; }
.max-w-lg { max-width: 32rem; }
.max-w-sm { max-width: 24rem; }
.w-full { width: 100%; }
.mx-auto { margin-left: auto; margin-right: auto; }
.px-4 { padding-left: 1rem; padding-right: 1rem; }
.px-5 { padding-left: 1.25rem; padding-right: 1.25rem; }
.px-3 { padding-left: 0.75rem; padding-right: 0.75rem; }
.px-2 { padding-left: 0.5rem; padding-right: 0.5rem; }
.py-2 { padding-top: 0.5rem; padding-bottom: 0.5rem; }
.py-1 { padding-top: 0.25rem; padding-bottom: 0.25rem; }
.py-3 { padding-top: 0.75rem; padding-bottom: 0.75rem; }
.p-4 { padding: 1rem; }
.p-6 { padding: 1.5rem; }
.pt-28 { padding-top: 7rem; }
.pb-16 { padding-bottom: 4rem; }
.pb-12 { padding-bottom: 3rem; }
.mb-1 { margin-bottom: 0.25rem; }
.mb-6 { margin-bottom: 1.5rem; }
.mb-8 { margin-bottom: 2rem; }
.mt-1 { margin-top: 0.25rem; }
.mt-20 { margin-top: 5rem; }
.text-xs { font-size: 0.75rem; }
.text-sm { font-size: 0.875rem; }
.text-lg { font-size: 1.125rem; }
.text-xl { font-size: 1.25rem; }
.text-4xl { font-size: 2.25rem; }
@media (min-width: 1024px) { .lg\:text-5xl { font-size: 3rem; } }
.font-bold { font-weight: 700; }
.font-extrabold { font-weight: 800; }
.font-semibold { font-weight: 600; }
.font-medium { font-weight: 500; }
.text-center { text-align: center; }
.text-white { color: #fff; }
.text-slate-300 { color: #cbd5e1; }
.text-slate-400 { color: #94a3b8; }
.text-slate-500 { color: #64748b; }
.text-red-400 { color: #f87171; }
.text-green-400 { color: #4ade80; }
.text-blue-400 { color: #60a5fa; }
.bg-black\/60 { background: rgba(0,0,0,0.6); }
.bg-black\/70 { background: rgba(0,0,0,0.7); }
.bg-slate-800 { background: #1e293b; }
.bg-slate-900 { background: #0f172a; }
.bg-slate-950 { background: #0b1120; }
.bg-slate-700 { background: #334155; }
.bg-red-500\/10 { background: rgba(239,68,68,0.1); }
.bg-red-600 { background: #dc2626; }
.bg-red-500 { background: #ef4444; }
.bg-green-600 { background: #16a34a; }
.bg-green-500 { background: #22c55e; }
.hover\:bg-red-500\/10:hover { background: rgba(239,68,68,0.1); }
.hover\:bg-slate-600:hover { background: #475569; }
.hover\:bg-red-500:hover { background: #ef4444; }
.hover\:bg-green-500:hover { background: #22c55e; }
.hover\:text-white:hover { color: #fff; }
.hover\:underline:hover { text-decoration: underline; }
.border { border-width: 1px; border-style: solid; }
.border-b { border-bottom-width: 1px; border-bottom-style: solid; }
.border-red-500 { border-color: #ef4444; }
.border-slate-700 { border-color: #334155; }
.rounded-lg { border-radius: 0.5rem; }
.rounded-xl { border-radius: 0.75rem; }
.rounded-2xl { border-radius: 1rem; }
.rounded-full { border-radius: 9999px; }
.rounded { border-radius: 0.25rem; }
.shadow-2xl { box-shadow: 0 25px 50px -12px rgba(0,0,0,0.25); }
.backdrop-blur-sm { backdrop-filter: blur(4px); }
.backdrop-blur-xl { backdrop-filter: blur(24px); }
.transition-all { transition: all 0.15s ease; }
.transition-colors { transition: color 0.15s ease, background-color 0.15s ease; }
.cursor-pointer { cursor: pointer; }
.inline-block { display: inline-block; }
.overflow-hidden { overflow: hidden; }
.overflow-x-auto { overflow-x: auto; }
.overflow-y-auto { overflow-y: auto; }
.whitespace-nowrap { white-space: nowrap; }
.tracking-wide { letter-spacing: 0.025em; }
.leading-tight { line-height: 1.25; }
.opacity-0 { opacity: 0; }
.opacity-100 { opacity: 1; }
.pointer-events-none { pointer-events: none; }
.w-9 { width: 2.25rem; }
.h-9 { height: 2.25rem; }
.w-3 { width: 0.75rem; }
.h-3 { height: 0.75rem; }
.w-8 { width: 2rem; }
.h-8 { height: 2rem; }
.w-24 { width: 6rem; }
.rounded-t { border-top-left-radius: 0.25rem; border-top-right-radius: 0.25rem; }
.flex-wrap { flex-wrap: wrap; }
.gap-1 { gap: 0.25rem; }
.gap-2 { gap: 0.5rem; }
.p-2 { padding: 0.5rem; }
.p-3 { padding: 0.75rem; }
.px-6 { padding-left: 1.5rem; padding-right: 1.5rem; }
.py-4 { padding-top: 1rem; padding-bottom: 1rem; }
.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; }
.text-2xl { font-size: 1.5rem; }
.text-3xl { font-size: 1.875rem; }
.space-y-3 > * + * { margin-top: 0.75rem; }
.space-y-5 > * + * { margin-top: 1.25rem; }
.space-y-6 > * + * { margin-top: 1.5rem; }
.space-x-4 > * + * { margin-left: 1rem; }
.w-4 { width: 1rem; }
.h-4 { height: 1rem; }
.w-5 { width: 1.25rem; }
.h-5 { height: 1.25rem; }
.w-6 { width: 1.5rem; }
.h-6 { height: 1.5rem; }
.w-10 { width: 2.5rem; }
.h-10 { height: 2.5rem; }
.w-12 { width: 3rem; }
.h-12 { height: 3rem; }
.w-48 { width: 12rem; }
.max-h-\[75vh\] { max-height: 75vh; }
.max-h-64 { max-height: 16rem; }
.flex-col { flex-direction: column; }
.border-b { border-bottom: 1px solid; }
.border-slate-700 { border-color: #334155; }
.rounded-t { border-radius: 0.25rem 0.25rem 0 0; }
.rounded-b { border-radius: 0 0 0.25rem 0.25rem; }