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.tab-btn.active{background:var(--surface-2);color:var(--ink)}[data-theme=dark] .im-tip{background:#2a1f00;border-color:#4a3800;color:#fbbf24}[data-theme=dark] .topbar{background:linear-gradient(135deg,#010409,#0d1117)}@media (max-width: 640px){.row2{grid-template-columns:1fr}.container{padding:18px 14px;padding-bottom:calc(56px + var(--sab))}.stat-grid{grid-template-columns:repeat(2,1fr)}.timetable-grid{grid-template-columns:repeat(4,1fr)}.section-head h1{font-size:24px}.hero-banner{flex-direction:column;padding:22px 16px;gap:16px}.hero-stat-num{font-size:32px}.fde-diagram{grid-template-columns:1fr}.fde-bus-area{flex-direction:row}.bus-line{width:24px;height:2px}.topic{padding:15px 14px}.btn{min-height:46px}}@media (max-height: 500px) and (orientation: landscape){.topbar{padding-top:10px;padding-bottom:10px}.container{padding-top:16px}}.topbar.topbar-static{position:relative}.app-hub{background:transparent}@media (max-width: 640px){.topnav-btn{padding-left:8px;padding-right:8px}}
