/* ✅ 自定义下拉框样式 (强制匹配触发器宽度 + 箭头内嵌动画) */
        .custom-dropdown { position: relative; margin-top: 8px; width: 100%; }
        .dropdown-trigger {
            width: 100%; padding: 14px 38px 14px 16px;
            background: var(--bg-main); border: 1.5px solid #000; border-radius: 12px;
            font-size: 15px; color: var(--text-primary); cursor: pointer;
            display: flex; align-items: center; justify-content: space-between;
            box-sizing: border-box; user-select: none;
        }
        .dropdown-trigger:active { background: #F1F3F5; }
        .green-arrow {
            position: absolute; right: 14px; top: 50%; transform: translateY(-50%);
            color: var(--primary); font-size: 13px; font-weight: 900;
            transition: transform 0.2s ease; pointer-events: none;
        }
        .custom-dropdown.open .green-arrow { transform: translateY(-50%) rotate(180deg); }
        .dropdown-menu {
            position: absolute; top: calc(100% + 6px); left: 0; width: 100%;
            background: var(--bg-card); border: 1.5px solid #000; border-radius: 12px;
            padding: 6px 0; margin: 0; list-style: none;
            box-shadow: 0 8px 24px rgba(0,0,0,0.12); z-index: 100;
            opacity: 0; visibility: hidden; transform: translateY(-8px);
            transition: all 0.2s ease; box-sizing: border-box; max-height: 200px; overflow-y: auto;
        }
        .custom-dropdown.open .dropdown-menu { opacity: 1; visibility: visible; transform: translateY(0); }
        .dropdown-menu li {
            padding: 12px 16px; font-size: 15px; color: var(--text-primary);
            cursor: pointer; transition: background 0.15s;
        }
        .dropdown-menu li:hover { background: var(--primary-light); }
        .dropdown-menu li:active { background: #D0F0D7; }

        /* ✅ Other Bank 专属样式 & 共享表单组件 */
        .ob-form-wrapper { display: none; }
        .ob-form-wrapper.active { display: block; }
        .tab-btn-ob { flex: 1; padding: 12px 4px; font-size: 12px; font-weight: 600; line-height: 1.3; text-align: center; color: var(--text-secondary); background: transparent; border: none; border-radius: 12px; cursor: pointer; }
        .tab-btn-ob.active { background: var(--primary); color: white; }
        .transfer-tabs-card { background: var(--bg-card); border-radius: var(--radius-lg); padding: 6px; display: flex; box-shadow: var(--shadow-lg); margin-top: -20px; position: relative; z-index: 15; margin-bottom: 20px; }

        .from-acc-selector { background: var(--bg-card); border: 1.5px solid #000; border-radius: 16px; padding: 16px; display: flex; justify-content: space-between; align-items: center; cursor: pointer; }
        .acc-right { display: flex; flex-direction: column; align-items: flex-end; gap: 6px; }
        .primary-badge-img { width: 36px; height: auto; display: block; pointer-events: none; }
        .acc-balance-display { display: flex; align-items: baseline; gap: 6px; margin-bottom: 4px; }
        .currency-label { font-weight: 700 !important; font-size: 15px; color: var(--text-primary); }
        .amount-value { font-weight: 800 !important; font-size: 22px; color: var(--text-primary); letter-spacing: -0.5px; }

        .styled-input { width: 100%; padding: 14px 16px; background: var(--bg-main); border: 1.5px solid #000; border-radius: 12px; font-size: 15px; outline: none; color: var(--text-primary); box-sizing: border-box; }
        .styled-input:focus { border-color: var(--primary); }
        .input-row-split { display: flex; gap: 12px; align-items: center; margin-top: 8px; }
        .icon-btn-info { width: 48px; height: 48px; border-radius: 12px; border: none; background: var(--primary-light); display: flex; align-items: center; justify-content: center; flex-shrink: 0; cursor: pointer; }

        .input-icon-wrap { position: relative; margin-top: 8px; }
        .input-icon-wrap .styled-input { padding-right: 50px; }
        .abs-icon { position: absolute; right: 12px; top: 50%; transform: translateY(-50%); width: 36px; height: 36px; border: none; background: transparent; display: flex; align-items: center; justify-content: center; cursor: pointer; }

        .select-custom-wrap { position: relative; margin-top: 8px; width: 100%; }
        .auto-width-select { width: 100%; display: block; padding: 14px 38px 14px 16px; background: var(--bg-main); border: 1.5px solid #000; border-radius: 12px; font-size: 15px; font-family: inherit; outline: none; color: var(--text-primary); appearance: none !important; -webkit-appearance: none !important; background-image: none !important; cursor: pointer; box-sizing: border-box; }
        .select-custom-wrap.open .green-arrow { transform: translateY(-50%) rotate(180deg); }

        .btn-cancel { background: transparent; color: var(--text-secondary); height: 52px; font-size: 16px; font-weight: 600; border: 1.5px solid #000; border-radius: 12px; cursor: pointer; transition: 0.2s; }
        .btn-cancel:active { background: var(--bg-main); }
        .form-actions { display: flex; flex-direction: column; gap: 12px; margin-top: 24px; }