#ra2web-root .mobile-menu-shell { display: none; }
#ra2web-root[data-mobile-menu="true"] .mobile-menu-shell {
    position: absolute;
    inset: 0 auto auto 0;
    display: flex;
    flex-direction: column;
    box-sizing: border-box;
    padding: max(12px, env(safe-area-inset-top)) max(12px, env(safe-area-inset-right)) max(12px, env(safe-area-inset-bottom)) max(12px, env(safe-area-inset-left));
    gap: 10px;
    overflow: hidden;
    color: yellow;
    background: black var(--mobile-menu-background) center / cover no-repeat;
    font-size: 16px;
    line-height: 1.4;
}
#ra2web-root .mobile-menu-shell[hidden],
#ra2web-root .mobile-menu-shell [hidden] { display: none !important; }
#ra2web-root .mobile-menu-header { display: flex; align-items: center; gap: 12px; flex: 0 0 auto; }
#ra2web-root .mobile-menu-title { margin: 0; font-size: 22px; line-height: 1.3; }
#ra2web-root .mobile-menu-body { display: flex; flex-direction: column; gap: 12px; width: 100%; min-width: 0; min-height: 0; flex: 1; }
#ra2web-root .mobile-menu-content { box-sizing: border-box; width: 100%; min-height: 0; min-width: 0; flex: 1; overflow: auto; overscroll-behavior: contain; touch-action: pan-y; }
#ra2web-root .mobile-menu-view { position: relative !important; inset: auto !important; width: 100% !important; height: auto !important; min-height: 100%; }
#ra2web-root .mobile-menu-nav { display: grid; gap: 10px; align-content: start; }
#ra2web-root .mobile-menu-shell button {
    min-height: 44px;
    min-width: 44px;
    box-sizing: border-box;
    padding: 10px 14px;
    border-radius: 0;
    color: yellow;
    font-size: 16px;
    line-height: 1.35;
    white-space: normal;
    cursor: pointer;
    touch-action: manipulation;
}
#ra2web-root .mobile-menu-shell button:focus-visible { outline: 3px solid #ffde73; outline-offset: -3px; }
#ra2web-root .mobile-menu-shell button:disabled { opacity: .45; cursor: default; }
#ra2web-root .mobile-menu-actions { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; min-width: 0; flex: 0 0 auto; }
#ra2web-root .mobile-menu-actions button:only-child { grid-column: 1 / -1; }
#ra2web-root .mobile-menu-shell[data-collapsed="true"] button { pointer-events: none; }
#ra2web-root .mobile-menu-version { color: yellow; text-align: right; font-size: 12px; }
#ra2web-root .mobile-menu-version:empty { display: none; }
#ra2web-root .mobile-menu-preview { display: flex; flex-direction: column; gap: 4px; align-items: stretch; order: -1; flex: 0 0 auto; box-sizing: border-box; width: 100%; min-width: 0; padding: 0; border: 0; background: transparent; }
#ra2web-root .mobile-menu-preview-image { position: relative; box-sizing: border-box; width: 100%; max-width: 100%; min-width: 0; height: auto; flex: 0 0 auto; }
#ra2web-root .mobile-menu-map-text { margin: 0; white-space: pre-line; overflow-wrap: anywhere; font-size: 14px; }
#ra2web-root .mobile-menu-shell[data-landscape="true"] .mobile-menu-body { flex-direction: row; }
#ra2web-root .mobile-menu-shell[data-landscape="true"] .mobile-menu-preview { order: 0; width: min(34vw, 280px); flex: 0 0 min(34vw, 280px); box-sizing: border-box; overflow: auto; }
#ra2web-root .mobile-menu-shell[data-landscape="true"] .mobile-menu-nav { grid-template-columns: repeat(2, minmax(0, 1fr)); }
#ra2web-root[data-mobile-menu="true"] .opts { padding: 6px; height: auto; }
#ra2web-root[data-mobile-menu="true"] .opts fieldset { min-width: 0; margin: 0; padding: 10px; border-color: red; }
#ra2web-root[data-mobile-menu="true"] .opts .item,
#ra2web-root[data-mobile-menu="true"] .opts .slider-item { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin: 12px 0; min-height: 44px; }
#ra2web-root[data-mobile-menu="true"] .opts .item > label { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; min-height: 44px; width: 100%; }
#ra2web-root[data-mobile-menu="true"] .opts .item span.label,
#ra2web-root[data-mobile-menu="true"] .opts .slider-item span.label { width: auto; flex: 1 1 130px; margin: 0; text-align: left; }
#ra2web-root[data-mobile-menu="true"] .opts input[type="range"] { min-height: 44px; max-width: 100%; }
#ra2web-root[data-mobile-menu="true"] .opts input[type="checkbox"] { width: 24px; height: 24px; margin: 10px; }
#ra2web-root[data-mobile-menu="true"] .language-select label { flex-wrap: wrap; }
#ra2web-root[data-mobile-menu="true"] .language-select select { font-size: 16px; }

#ra2web-root[data-mobile-menu="true"] input,
#ra2web-root[data-mobile-menu="true"] select,
#ra2web-root[data-mobile-menu="true"] .select,
#ra2web-root[data-mobile-menu="true"] button { font-size: 16px; }
#ra2web-root[data-mobile-menu="true"] input:not([type="checkbox"]),
#ra2web-root[data-mobile-menu="true"] select,
#ra2web-root[data-mobile-menu="true"] .select,
#ra2web-root[data-mobile-menu="true"] button { min-height: 44px; }
#ra2web-root .mobile-menu-shell[data-compact="true"][data-landscape="false"] { gap: 6px; }
#ra2web-root .mobile-menu-shell[data-compact="true"][data-landscape="false"] .mobile-menu-map-text { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

#ra2web-root .mobile-menu-shell[data-screen="Skirmish"][data-landscape="false"] .mobile-menu-body {
    overflow-y: auto;
    overscroll-behavior: contain;
    touch-action: pan-y;
}
#ra2web-root .mobile-menu-shell[data-screen="Skirmish"][data-landscape="false"] .mobile-menu-content {
    flex: 0 0 auto;
    overflow: visible;
}
#ra2web-root .mobile-menu-shell[data-screen="Skirmish"][data-landscape="false"] .mobile-menu-view { min-height: 0; }

/* 菜单素材来自当前资源包，盟军和苏军继续使用各自的皮肤。 */
#ra2web-root .mobile-menu-shell { isolation: isolate; }
#ra2web-root .mobile-menu-shell .mobile-menu-button {
    border: 0;
    background-color: transparent;
    background-image: var(--mobile-button-normal);
    background-size: 100% 100%;
    background-repeat: no-repeat;
    text-shadow: 1px 1px 1px black;
}
#ra2web-root .mobile-menu-shell .mobile-menu-button:active {
    background-image: var(--mobile-button-active);
}
#ra2web-root .mobile-menu-shell .mobile-menu-button[data-flashing="true"] {
    animation: mobile-original-button 1s steps(1) infinite;
}
@keyframes mobile-original-button {
    50% { background-image: var(--mobile-button-active); }
}
#ra2web-root .mobile-menu-shell .mobile-menu-button:disabled { color: black; opacity: 1; text-shadow: none; }
#ra2web-root .mobile-menu-video { display: none; position: relative; height: clamp(140px, 36vh, 300px); margin-bottom: 12px; overflow: hidden; pointer-events: none; }
#ra2web-root .mobile-menu-shell[data-screen="Home"] .mobile-menu-video { display: block; }
#ra2web-root .mobile-menu-shell[data-screen="Home"] .mobile-menu-nav { grid-template-columns: repeat(2, minmax(0, 1fr)); }
#ra2web-root .mobile-menu-shell[data-screen="Home"][data-landscape="false"] .mobile-menu-content { display: flex; flex-direction: column; }
#ra2web-root .mobile-menu-shell[data-screen="Home"][data-landscape="false"] .mobile-menu-video { width: 100%; height: auto; aspect-ratio: 632 / 570; flex: 0 0 auto; }
#ra2web-root .mobile-menu-shell[data-screen="Home"][data-landscape="false"] .mobile-menu-nav { flex: 0 0 auto; margin-top: auto; }
#ra2web-root .mobile-menu-shell[data-screen="Home"][data-landscape="true"] .mobile-menu-content { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: 12px; }
#ra2web-root .mobile-menu-shell[data-screen="Home"][data-landscape="true"] .mobile-menu-video { height: 100%; min-height: 160px; margin: 0; }
#ra2web-root .mobile-menu-shell[data-screen="Home"][data-landscape="true"] .mobile-menu-nav { align-content: center; }
#ra2web-root .mobile-menu-video-view { position: absolute !important; inset: 0 !important; width: 100% !important; height: 100% !important; }
#ra2web-root .mobile-menu-video .video-wrapper,
#ra2web-root .mobile-menu-video video { width: 100%; height: 100%; object-fit: contain; }
#ra2web-root .mobile-menu-title { text-shadow: 1px 1px 2px black; }
#ra2web-root .mobile-menu-preview-image {
    box-sizing: border-box;
    background: transparent;
}
#ra2web-root .mobile-menu-preview-image > div {
    position: relative !important;
    inset: auto !important;
    width: 100% !important;
    max-width: 100% !important;
    height: auto !important;
}
#ra2web-root .mobile-menu-preview-image canvas { display: block; width: 100% !important; height: auto !important; }
#ra2web-root .mobile-menu-version { background: var(--mobile-menu-status) center / 100% 100% no-repeat; }
@media (prefers-reduced-motion: reduce) {
    #ra2web-root .mobile-menu-shell .mobile-menu-button[data-flashing="true"] { animation: none; }
}

#ra2web-root[data-mobile-menu="true"] .mobile-menu-shell .dialog-button {
    background-size: 300% 100%;
    background-repeat: no-repeat;
    background-position: 0 0;
}
#ra2web-root[data-mobile-menu="true"] .mobile-menu-shell .dialog-button:hover:not(:disabled) { background-position: 50% 0; }
#ra2web-root[data-mobile-menu="true"] .mobile-menu-shell .dialog-button:active:not(:disabled) { background-position: 100% 0; }