html, body { height: 100%; overflow: hidden; }
.tour-shell {
    position: fixed;
    inset: 0;
    background: #000;
    overflow: hidden;
}
.tour-viewer {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
}
.tour-topbar {
    position: absolute;
    left: 18px;
    right: 18px;
    top: 18px;
    z-index: 10;
    display: flex;
    justify-content: space-between;
    gap: 16px;
    align-items: center;
    pointer-events: none;
}
.tour-topbar > * { pointer-events: auto; }
.tour-brand, .tour-scene-title, .tour-btn, .tour-help, .tour-bottom-hint {
    background: rgba(0,0,0,.52);
    color: #fff;
    border: 1px solid rgba(255,255,255,.18);
    backdrop-filter: blur(10px);
    box-shadow: 0 12px 40px rgba(0,0,0,.28);
}
.tour-brand {
    display: inline-flex;
    padding: 10px 12px;
    border-radius: 999px;
    font-weight: 800;
    letter-spacing: -.02em;
}
.tour-scene-title {
    display: inline-flex;
    margin-left: 8px;
    padding: 10px 12px;
    border-radius: 999px;
    opacity: .88;
}
.tour-actions { display: flex; gap: 8px; }
.tour-btn {
    padding: 10px 12px;
    border-radius: 999px;
    cursor: pointer;
    font-weight: 700;
}
.tour-help {
    position: absolute;
    top: 76px;
    right: 18px;
    z-index: 12;
    width: min(380px, calc(100vw - 36px));
    padding: 16px;
    border-radius: 16px;
    line-height: 1.45;
}
.tour-help p { margin: 8px 0 0; opacity: .88; }
.tour-bottom-hint {
    position: absolute;
    left: 50%;
    bottom: 20px;
    transform: translateX(-50%);
    z-index: 10;
    padding: 10px 14px;
    border-radius: 999px;
    font-size: 14px;
    opacity: .92;
    text-align: center;
    max-width: calc(100vw - 160px);
}
.tour-mobile-pad {
    position: absolute;
    right: 24px;
    bottom: 72px;
    z-index: 11;
    width: 132px;
    height: 132px;
    display: grid;
    grid-template-columns: repeat(3, 44px);
    grid-template-rows: repeat(3, 44px);
    gap: 0;
    opacity: .94;
}
.pad-btn {
    width: 42px;
    height: 42px;
    border-radius: 999px;
    border: 1px solid rgba(255,255,255,.2);
    background: rgba(0,0,0,.5);
    color: #fff;
    backdrop-filter: blur(8px);
    font-weight: 900;
    cursor: pointer;
    touch-action: manipulation;
}
.pad-up { grid-column: 2; grid-row: 1; }
.pad-left { grid-column: 1; grid-row: 2; }
.pad-right { grid-column: 3; grid-row: 2; }
.pad-down { grid-column: 2; grid-row: 3; }
.pnlm-hotspot-base.custom-hotspot {
    width: 44px;
    height: 44px;
    border-radius: 999px;
    background: rgba(255,255,255,.9);
    border: 3px solid rgba(0,0,0,.35);
    box-shadow: 0 8px 28px rgba(0,0,0,.45);
}
.pnlm-hotspot-base.custom-hotspot::after {
    content: '➜';
    display: grid;
    place-items: center;
    height: 100%;
    color: #111;
    font-weight: 900;
}
@media (min-width: 900px) {
    .tour-mobile-pad { display: none; }
}
@media (max-width: 720px) {
    .tour-topbar { top: 12px; left: 12px; right: 12px; align-items: flex-start; }
    .tour-brand, .tour-scene-title, .tour-btn { font-size: 12px; padding: 8px 10px; }
    .tour-scene-title { display: none; }
    .tour-actions { flex-direction: column; }
    .tour-bottom-hint { left: 12px; right: 12px; bottom: 18px; transform: none; max-width: none; font-size: 12px; }
    .tour-mobile-pad { right: 14px; bottom: 62px; }
}