/* ===== 全局样式变量 ===== */
        :root {
            --bg-color: #e6e6e6;
            --land-color: #ffffff;
            --water-color: #efefef;
            --border-color: #ebebeb;
            --meridian-color: rgba(255, 255, 255, 0.8);
            --parallel-color: rgba(255, 255, 255, 0.8);
            --text-primary: #000000;
            --text-secondary: #000000;
            --border-light: #d5d5d5;
        }

        .wrapper {
            display: flex;
            flex-direction: row-reverse;
            gap: 0;
            align-items: stretch;
            background: var(--bg-color);
            width: 100%;
            height: 86vh;
            max-width: 100%;
            max-height: 100%;
            border-radius: 0;
            box-shadow: none;
            padding: 0;
            overflow: hidden;
            font-family: source-han-sans-simplified-c, sans-serif;
        }

        #globe {
            position: relative;
            flex: 0 0 88%;
            height: 100vh;
            background: var(--bg-color);
            display: flex;
            justify-content: center;
            align-items: center;
            overflow: hidden;
        }
        #globe svg {
            display: block;
            width: 100%;
            height: 100%;
            background: var(--bg-color);
            cursor: pointer;
        }

        .city-sidebar {
            flex: 0 0 12%;
            height: 100vh;
            padding: 20px 14px 16px 14px;
            background: var(--bg-color);
            flex-shrink: 0;
            display: flex;
            flex-direction: column;
            gap:10px;
        }
        .city-sidebar::-webkit-scrollbar {
            width: 4px;
        }
        .city-sidebar::-webkit-scrollbar-thumb {
            background: #b0b0b0;
            border-radius: 10px;
        }
        .city-sidebar::-webkit-scrollbar-track {
            background: transparent;
        }

        .sidebar-list::-webkit-scrollbar {
            width: 4px;
        }
        .sidebar-list::-webkit-scrollbar-thumb {
            background: #b0b0b0;
            border-radius: 10px;
        }
        .sidebar-list::-webkit-scrollbar-track {
            background: transparent;
        }

        .sidebar-legend {
            flex-shrink: 0;
            padding-top: 20px;
            padding-left:10px;
            margin-top: 3px;
            display: flex;
            flex-direction: column;
        }
        .sidebar-legend .legend-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: var(--text-primary);
        }
        .sidebar-legend .legend-color {
            width: 14px;
            height: 14px;
            flex-shrink: 0;
        }
        .legend-color.legend-warehouse {
            background: #2ecc71;
        }
        .legend-color.legend-office {
            background: #3498db;
        }
        .legend-color.legend-manufacture {
            background: #f1c40f;
        }
        .legend-color.legend-headquarters {
            background: #e74c3c;
        }
        .sidebar-legend .legend-label {
            font-weight: 400;
            color: var(--text-secondary);
        }

        .continent-group {
            margin-bottom: 12px;
        }
        .continent-group:last-child {
            margin-bottom: 0;
        }
        .continent-label {
            font-size: 26px;
            font-weight: 400;
            color: #555555;
            letter-spacing: 0.6px;
            text-transform: uppercase;
            padding: 4px 8px 3px 8px;
        }
        .city-item {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 6px 10px;
            margin-left: 24px;
            cursor: pointer;
            transition: all 0.2s ease;
            border: aliceblue;
            background: var(--bg-color);
            width: 100%;
            text-align: left;
            font-family: inherit;
            font-size: 13px;
            color: var(--text-primary);
            border-left: 1px solid #ddd;
        }
        .city-item:hover {
            border-left: 3px solid #b0b0b0;
        }
        .city-item.active {
            font-weight: 600;
            border-left: 3px solid var(--color-primary);
        }
        .city-item.active .name {
            font-weight: 700;
            color: var(--color-primary);
        }
        .city-item .info {
            flex: 1;
            min-width: 0;
            display: flex;
            gap: 40px;
            align-items: center;
        }
        .city-item .name {
            font-size: 18px;
            line-height: 1.2;
            font-weight: 400;
            color: #666666;
        }
        .city-item .country {
            font-size: 1rem;
            color: var(--text-secondary);
            font-weight: 400;
            margin-top: 0px;
            white-space: pre-line;
            line-height: 1.3;
            display: none;
        }
        .city-item .dot {
            width: 5px;
            height: 5px;
            border-radius: 50%;
            background: #cbd2de;
            flex-shrink: 0;
            transition: all 0.3s;
            display: none;
        }
        .city-item.active .dot {
            background: #2c3e50;
            box-shadow: 0 0 8px rgba(44, 62, 80, 0.2);
            display: none;
        }

        .hint {
            position: absolute;
            bottom: 32px;
            left: 50%;
            transform: translateX(-50%);
            color: #8e96a8;
            font-size: 14px;
            letter-spacing: 0.3px;
            pointer-events: none;
            z-index: 10;
            background: rgba(255, 255, 255, 0.85);
            padding: 6px 20px;
            border-radius: 40px;
            white-space: nowrap;
            transition: opacity 0.4s ease;
            backdrop-filter: blur(2px);
            border: 1px solid rgba(0, 0, 0, 0.02);
        }
        .hint.hidden {
            opacity: 0;
        }

        /* ===== 海外办事处标注 ===== */
        .office-label {
            position: absolute;
            z-index: 5;
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            gap: 0px;
            opacity: 0;
            transition: opacity 0.35s ease;
            pointer-events: none;
            white-space: nowrap;
        }
        .office-label.visible {
            opacity: 1;
        }

        .office-label .label-line {
            height: 1px;
            background: rgba(44, 62, 80, 0.25);
            position: relative;
            flex-shrink: 0;
            margin-bottom: 0px;
            margin-right: 0px;
        }

        .office-label .label-row {
            display: flex;
            flex-direction: row;
            align-items: stretch;
            justify-content: flex-start;
            width: 100%;
            gap: 0;
        }

        .office-label .label-card {
            background: transparent;
            backdrop-filter: none;
            color: var(--text-primary);
            border-radius: 0;
            display: inline-flex;
            flex-direction: column;
            line-height: 1.3;
            border: none;
            box-shadow: none;
            min-width: 120px;
            max-width: 240px;
            flex-shrink: 0;
            align-items: flex-start;
            justify-content: center;
            height: auto;
            min-height: 44px;
        }
        .office-label .label-card .main-name {
            font-size: 18px;
            font-weight: 600;
            letter-spacing: 0.4px;
            white-space: nowrap;
            color: var(--text-primary);
            margin: 15px 0px 10px 0;
        }
        .office-label .label-card .sub-info {
            font-size: 14px;
            font-weight: 400;
            opacity: 1;
            white-space: pre-line;
            line-height: 1.4;
            color: var(--text-secondary);
        }

        .office-label .label-en-wrapper {
            display: flex;
            align-items: flex-start;
            border-radius: 0 0 0 0;
            border-right: none;
            flex-shrink: 0;
            min-height: 44px;
            padding-right: 0;
            margin-left: auto;
        }
        .office-label .label-en {
            color: #ffffff;
            background: #4202DD;
            padding: 6px 12px 6px 18px;
            font-size: 16px;
            font-weight: 500;
            letter-spacing: 0.3px;
            white-space: nowrap;
            display: inline-flex;
            align-items: center;
            height: auto;
            flex: 0 0 auto;
        }

        .office-label .type-badges-wrapper {
            display: flex;
            flex-direction: row;
            align-items: stretch;
            justify-content: flex-start;
            gap: 0px;
            padding-left: 0px;
            padding-right: 0px;
            flex-shrink: 0;
        }
        .office-label .type-badge {
            width: 4px;
            height: 100%;
            display: block;
            flex-shrink: 0;
        }
        .type-badge.warehouse {
            background: #2ecc71;
        }
        .type-badge.office {
            background: #3498db;
        }
        .type-badge.manufacture {
            background: #f1c40f;
        }
        .type-badge.headquarters {
            background: #e74c3c;
        }