/* ========================================= */
           /* ▼▼▼ 支付宝 UI 美化版 (Modern Fintech) ▼▼▼ */
           /* ========================================= */

           /* 1. 屏幕整体容器 */
           #alipay-screen {
               /* 定义变量：默认财富蓝主题 */
               --alipay-header-bg: linear-gradient(180deg, #1677ff 0%, #0a5ad3 100%);
               --alipay-bg-color: #f5f7fa;
               /* 更柔和的浅灰底色 */
               --alipay-card-bg: #ffffff;
               --alipay-text-primary: #1f1f1f;
               --alipay-text-secondary: #8a8a8a;
               --alipay-money-font: -apple-system, BlinkMacSystemFont, "DIN Alternate", "Roboto", sans-serif;

               background-color: var(--alipay-bg-color);
               display: flex;
               flex-direction: column;
               height: 100%;
               overflow: hidden;
           }

           /* 2. 头部区域 (包含导航栏和蓝色背景层) */
           .alipay-header-area {
               background: var(--alipay-header-bg);
               color: white;
               padding-top: calc(10px + env(safe-area-inset-top));
               padding-bottom: 60px;
               /* 留出空间给卡片上浮 */
               border-radius: 0 0 20px 20px;
               /* 底部微圆角 */
               flex-shrink: 0;
               position: relative;
               z-index: 1;
           }

           /* 导航栏 */
           .alipay-nav {
               display: flex;
               justify-content: space-between;
               align-items: center;
               padding: 0 15px;
               height: 44px;
               font-size: 17px;
               font-weight: 500;
           }

           .alipay-nav .back-btn {
               font-size: 24px;
               font-weight: 300;
               cursor: pointer;
               width: 30px;
               opacity: 0.9;
           }

           .alipay-action {
               font-size: 15px;
               opacity: 0.9;
               cursor: pointer;
               padding: 4px 10px;
               background: rgba(255, 255, 255, 0.15);
               border-radius: 15px;
               backdrop-filter: blur(5px);
               transition: background 0.2s;
           }

           .alipay-action:active {
               background: rgba(255, 255, 255, 0.3);
           }

           /* 3. 卡片容器 (负责上浮布局) */
           .alipay-card-container {
               flex-grow: 1;
               overflow-y: auto;
               /* 让卡片和下方内容整体滚动 */
               padding: 0 12px;
               margin-top: -50px;
               /* 核心：卡片上浮覆盖蓝色背景 */
               position: relative;
               z-index: 2;
               /* 隐藏滚动条 */
               -webkit-overflow-scrolling: touch;
           }

           .alipay-card-container::-webkit-scrollbar {
               display: none;
           }

           /* 4. 总资产卡片 (深色质感卡片) */
           .alipay-balance-card {
               background: linear-gradient(180deg, #1677ff 0%, #0a5ad3 100%);
               color: #fff;
               border-radius: 16px;
               padding: 20px;
               box-shadow: 0 8px 20px rgba(22, 119, 255, 0.2);
               position: relative;
               overflow: hidden;
               margin-bottom: 12px;
           }

           /* 卡片内部装饰光纹 */
           .alipay-balance-card::after {
               content: '';
               position: absolute;
               top: -50%;
               right: -50%;
               width: 200px;
               height: 200px;
               background: radial-gradient(circle, rgba(255, 255, 255, 0.05) 0%, transparent 70%);
               pointer-events: none;
           }

           .balance-label {
               font-size: 13px;
               opacity: 0.7;
               margin-bottom: 4px;
               display: flex;
               justify-content: space-between;
               align-items: center;
           }

           .balance-amount {
               font-family: var(--alipay-money-font);
               font-size: 38px;
               font-weight: 700;
               letter-spacing: 0.5px;
               text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
           }

           .balance-status-tag {
               font-size: 11px;
               padding: 2px 8px;
               background: rgba(255, 255, 255, 0.15);
               border: 1px solid rgba(255, 255, 255, 0.2);
               border-radius: 4px;
               color: rgba(255, 255, 255, 0.9);
               backdrop-filter: blur(4px);
           }

           #alipay-theme-toggle-btn {
               cursor: pointer;
               transition: transform 0.3s ease;
               display: flex;
               align-items: center;
               justify-content: center;
           }

           #alipay-theme-toggle-btn:hover {
               opacity: 0.8;
           }

           #alipay-theme-toggle-btn.animating {
               transform: rotate(180deg) scale(1.1);
           }

           /* 5. 功能菜单网格 (Funds, etc.) */
           .alipay-grid-menu {
               display: grid;
               grid-template-columns: 1fr;
               /* 保持单行，也可以改成 1fr 1fr */
               gap: 10px;
               margin-bottom: 12px;
           }

           .alipay-menu-item {
               background: var(--alipay-card-bg);
               padding: 16px;
               border-radius: 12px;
               display: flex;
               align-items: center;
               gap: 12px;
               box-shadow: 0 2px 8px rgba(0, 0, 0, 0.03);
               cursor: pointer;
               transition: transform 0.1s;
           }

           .alipay-menu-item:active {
               transform: scale(0.98);
           }

           .menu-icon {
               width: 40px;
               height: 40px;
               border-radius: 10px;
               background: #eff4ff;
               /* 浅蓝底 */
               display: flex;
               align-items: center;
               justify-content: center;
               font-size: 20px;
           }

           .menu-info {
               flex-grow: 1;
           }

           .menu-title {
               font-size: 15px;
               font-weight: 600;
               color: var(--alipay-text-primary);
               margin-bottom: 2px;
           }

           .menu-trend {
               font-size: 12px;
               color: #ff3b30;
               /* 红涨 */
               font-family: var(--alipay-money-font);
               font-weight: 500;
           }

           .menu-arrow {
               color: #ccc;
               font-size: 16px;
           }

           /* 6. 亲属卡区域 */
           #alipay-kinship-section-wrapper {
               margin-bottom: 15px;
           }

           .kinship-section-title {
               font-size: 15px;
               font-weight: 600;
               color: var(--alipay-text-primary);
               margin-left: 5px;
           }

           /* 亲属卡容器 */
           #alipay-kinship-section {
               display: flex;
               overflow-x: auto;
               gap: 10px;
               padding: 10px 5px 15px 5px;
               /* 留出阴影空间 */
               -webkit-overflow-scrolling: touch;
               scrollbar-width: none;
           }

           #alipay-kinship-section::-webkit-scrollbar {
               display: none;
           }

           /* 亲属卡单卡 */
           .kinship-card-entry {
               flex-shrink: 0;
               width: 85%;
               /* 稍微露出下一张 */
               max-width: 300px;
               background: linear-gradient(135deg, #ff5252, #e00f38);
               border-radius: 12px;
               padding: 16px;
               color: white;
               position: relative;
               box-shadow: 0 4px 12px rgba(255, 82, 82, 0.3);
               overflow: hidden;
           }

           .kinship-top {
               display: flex;
               justify-content: space-between;
               align-items: center;
               margin-bottom: 25px;
           }

           .kinship-provider {
               display: flex;
               align-items: center;
               gap: 8px;
               font-size: 14px;
               font-weight: 500;
               background: rgba(0, 0, 0, 0.1);
               padding: 4px 10px 4px 4px;
               border-radius: 20px;
           }

           .kinship-provider img {
               width: 24px;
               height: 24px;
               border-radius: 50%;
               border: 1px solid rgba(255, 255, 255, 0.6);
           }

           .kinship-limit {
               font-family: var(--alipay-money-font);
               font-size: 26px;
               font-weight: 700;
           }

           .kinship-label {
               font-size: 11px;
               opacity: 0.8;
               margin-bottom: 2px;
           }

           /* 7. 账单区域 */
           .alipay-bill-container {
               background-color: var(--alipay-card-bg);
               border-radius: 16px;
               padding: 0;
               overflow: hidden;
               /* 内部滚动 */
               box-shadow: 0 2px 15px rgba(0, 0, 0, 0.04);
               margin-bottom: 20px;
               /* 底部留白 */
               min-height: 300px;
           }

           /* 账单筛选头 */
           .bill-filter-header {
               padding: 15px;
               background: var(--alipay-card-bg);
               border-bottom: 1px solid #f0f0f0;
               display: flex;
               justify-content: space-between;
               align-items: center;
           }

           /* 账单列表 */
           #bill-scroll-list {
               max-height: 500px;
               /* 给个最大高度，防止撑破页面 */
               overflow-y: auto;
           }

           .bill-month-separator {
               background-color: #f9f9f9;
               padding: 8px 15px;
               font-size: 12px;
               color: #999;
               font-weight: 500;
               position: sticky;
               top: 0;
           }

           .bill-item {
               padding: 16px 15px;
               display: flex;
               justify-content: space-between;
               align-items: center;
               border-bottom: 1px solid #f7f7f7;
           }

           .bill-item:last-child {
               border-bottom: none;
           }

           .bill-info {
               display: flex;
               flex-direction: column;
               gap: 4px;
           }

           .bill-title {
               font-size: 15px;
               color: var(--alipay-text-primary);
               font-weight: 500;
           }

           .bill-time {
               font-size: 12px;
               color: #ccc;
           }

           .bill-amount {
               font-family: var(--alipay-money-font);
               font-size: 17px;
               font-weight: 600;
           }

           .bill-amount.income {
               color: #ff3b30;
           }

           .bill-amount.expense {
               color: var(--alipay-text-primary);
           }


           /* 8. 黑金主题适配 (Black Gold Theme) */
           #alipay-screen.theme-blackgold {
               --alipay-header-bg: #1a1a1a;
               /* 纯黑头部 */
               --alipay-bg-color: #121212;
               --alipay-card-bg: #1c1c1e;
               --alipay-text-primary: #e5e5e5;
               --alipay-text-secondary: #888;
           }

           #alipay-screen.theme-blackgold .alipay-balance-card {
               background: linear-gradient(135deg, #2a2a2a, #000);
               border: 1px solid #333;
               color: #d4af37;
               /* 金色 */
               box-shadow: 0 8px 20px rgba(0, 0, 0, 0.5);
           }

           #alipay-screen.theme-blackgold .balance-label,
           #alipay-screen.theme-blackgold .balance-status-tag {
               color: rgba(212, 175, 55, 0.8);
               border-color: rgba(212, 175, 55, 0.3);
           }

           #alipay-screen.theme-blackgold .menu-icon {
               background: #2c2c2e;
               color: #d4af37;
           }

           #alipay-screen.theme-blackgold .menu-trend {
               color: #d4af37;
               /* 也是金色 */
           }

           #alipay-screen.theme-blackgold .bill-filter-header {
               border-bottom-color: #333;
           }

           #alipay-screen.theme-blackgold .bill-month-separator {
               background-color: #121212;
               color: #666;
           }

           #alipay-screen.theme-blackgold .bill-item {
               border-bottom-color: #333;
           }

           #alipay-screen.theme-blackgold .bill-amount.expense {
               color: #fff;
           }

           #alipay-screen.theme-blackgold .bill-amount.income {
               color: #d4af37;
           }

           #alipay-screen.theme-blackgold .kinship-section-title {
               color: #d4af37;
           }

           #alipay-screen.theme-blackgold #add-kinship-btn {
               color: #d4af37 !important;
           }