.hidden { display: none !important; }

        /* 全局重置 - 消除所有空隙 */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            -webkit-tap-highlight-color: transparent;
        }

        html {
            margin: 0;
            padding: 0;
            height: 100%;
            width: 100%;
            /* 移除 overflow: hidden，允许手机端下拉刷新 */
        }

        body {
            margin: 0;
            padding: 0;
            height: 100%;
            width: 100%;
            overflow-x: hidden;
            /* 允许垂直滚动和下拉刷新 */
        }

        :root {
            /* 渐变主色调 - 海洋蓝（增强版） */
            --primary: #0ea5e9;
            --primary-dark: #0284c7;
            --primary-light: #38bdf8;
            --primary-gradient: linear-gradient(135deg, #0ea5e9 0%, #3b82f6 50%, #06b6d4 100%);
            --primary-glow: rgba(14, 165, 233, 0.15);

            /* 功能色（增强饱和度） */
            --danger: #ef4444;
            --danger-dark: #dc2626;
            --danger-gradient: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
            --danger-glow: rgba(239, 68, 68, 0.12);

            --success: #10b981;
            --success-dark: #059669;
            --success-gradient: linear-gradient(135deg, #10b981 0%, #059669 100%);
            --success-glow: rgba(16, 185, 129, 0.12);

            --warning: #f59e0b;
            --warning-dark: #d97706;
            --warning-gradient: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
            --warning-glow: rgba(245, 158, 11, 0.12);

            /* 背景色（升级为有温度的渐变） */
            --bg: #f8fafc;
            --bg-warm: #fafbff;
            --bg-gradient: linear-gradient(145deg, #f0f4ff 0%, #fafbff 40%, #f5f0ff 100%);
            --bg-depth: linear-gradient(180deg, #eef2ff 0%, #fdfbff 50%, #f8f0ff 100%);

            /* 卡片样式（增加微色调） */
            --card: #ffffff;
            --card-gradient: linear-gradient(145deg, #ffffff 0%, #fbfdff 50%, #fefaff 100%);
            --card-hover: linear-gradient(145deg, #ffffff 0%, #f0f7ff 100%);

            /* 文字色（增强对比度） */
            --text: #1e293b;
            --text-secondary: #64748b;
            --text-light: #94a3b8;

            /* 边框和阴影（更精致） */
            --border: #e2e8f0;
            --border-light: rgba(226, 232, 240, 0.5);
            --border-subtle: rgba(148, 163, 184, 0.15);
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04), 0 1px 2px rgba(0, 0, 0, 0.02);
            --shadow: 0 2px 8px rgba(0, 0, 0, 0.04), 0 1px 3px rgba(0, 0, 0, 0.03);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08), 0 2px 6px rgba(0, 0, 0, 0.04);
            --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.1), 0 4px 12px rgba(0, 0, 0, 0.05);
            --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.15), 0 8px 24px rgba(0, 0, 0, 0.08);
            --shadow-glow: 0 0 40px rgba(14, 165, 233, 0.08);

            /* 玻璃态效果（增强透明度） */
            --glass-bg: rgba(255, 255, 255, 0.88);
            --glass-border: rgba(255, 255, 255, 0.25);
            --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);

            /* 圆角（保持一致） */
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-full: 9999px;

            /* 动态背景变量 */
            --gradient-angle: 135deg;
            --animation-slow: 20s;
            --animation-medium: 12s;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            background: #0071e3;
            color: var(--text);
            line-height: 1.6;
            min-height: 100vh;
            height: 100%;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            position: relative;
        }

        /* 动态背景光斑 */
        body::before {
            content: '';
            position: fixed;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background:
                radial-gradient(circle at 20% 30%, rgba(14, 165, 233, 0.06) 0%, transparent 50%),
                radial-gradient(circle at 80% 70%, rgba(139, 92, 246, 0.05) 0%, transparent 50%),
                radial-gradient(circle at 40% 80%, rgba(6, 182, 212, 0.04) 0%, transparent 50%);
            animation: bgFloat var(--animation-slow) ease-in-out infinite;
            pointer-events: none;
            z-index: 0;
        }

        body::after {
            content: '';
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background:
                radial-gradient(ellipse at 0% 0%, rgba(14, 165, 233, 0.03) 0%, transparent 60%),
                radial-gradient(ellipse at 100% 100%, rgba(139, 92, 246, 0.03) 0%, transparent 60%);
            pointer-events: none;
            z-index: 0;
        }

        @keyframes bgFloat {
            0%, 100% { transform: translate(0, 0) rotate(0deg); }
            25% { transform: translate(-2%, 2%) rotate(1deg); }
            50% { transform: translate(0, 4%) rotate(0deg); }
            75% { transform: translate(2%, 2%) rotate(-1deg); }
        }

        /* 通用卡片升级 */
        .card, .stat-card, .mobile-card {
            background: var(--card-gradient);
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-md);
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            border: 1px solid var(--border-light);
            overflow: hidden;
        }

        .card:hover, .stat-card:hover, .mobile-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-xl);
        }

        /* 超级圆角容器 */
        .container, .page {
            border-radius: var(--radius-xl);
        }

        /* 登录页面 - 动态渐变背景 */
        .login-container {
            position: fixed;  /* 固定定位，覆盖全屏 */
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 16px;
            background: linear-gradient(180deg, #0a8cf0 0%, #0071e3 40%, #005bb5 100%);
            overflow: hidden;
            z-index: 1;
        }

        #cityCanvas {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: 0;
            pointer-events: none;
        }

        .login-box {
            padding: 32px 28px;
            width: 100%;
            max-width: 400px;
            text-align: center;
            position: relative;
            z-index: 1;
            background: rgba(255, 255, 255, 0.95);
            border-radius: 20px;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
            animation: slideUp 0.6s ease-out;
        }

        @keyframes slideUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .login-logo {
            width: 76px;
            height: 76px;
            margin: 0 auto 14px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .login-logo img {
            width: 100%;
            height: 100%;
            object-fit: contain;
        }

        .login-box h1 {
            font-size: 20px;
            margin-bottom: 20px;
            color: #333;
            font-weight: 600;
            letter-spacing: 0.5px;
        }

        .subtitle-text {
            color: #666;
            margin-bottom: 20px;
            font-size: 14px;
            line-height: 1.5;
        }

        .subtitle-text #loginSubtitle {
            display: none;
        }

        .subtitle-text #loggedUserName {
            color: #666;
        }

        .login-box .form-group {
            margin-bottom: 0;
        }

        .login-input-wrapper {
            position: relative;
            display: flex;
            align-items: center;
            background: #f0f2f5;
            border: 1px solid transparent;
            border-radius: 10px;
            transition: all 0.3s ease;
            overflow: hidden;
            margin-bottom: 12px !important;
        }

        .login-input-wrapper:last-of-type {
            margin-bottom: 0;
        }

        .login-input-wrapper:hover {
            background: #e8eaed;
        }

        .login-input-wrapper:focus-within {
            border-color: #0071e3;
            background: #fff;
            box-shadow: 0 0 0 3px rgba(0, 113, 227, 0.1);
        }

        .login-input-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            flex-shrink: 0;
        }

        .login-input-icon svg {
            width: 18px;
            height: 18px;
        }

        .login-input-wrapper input {
            flex: 1;
            background: transparent !important;
            border: none !important;
            color: #333;
            font-size: 15px;
            padding: 12px 12px 12px 0;
            box-shadow: none !important;
        }

        .login-input-wrapper input::placeholder {
            color: #999 !important;
        }

        .login-input-wrapper input:focus {
            outline: none;
            box-shadow: none !important;
        }

        .login-submit-btn {
            width: 100%;
            margin-top: 16px;
            padding: 12px;
            background: linear-gradient(90deg, #00c6ff 0%, #0072ff 100%);
            border: none;
            border-radius: 9999px;
            color: #fff;
            font-size: 16px;
            font-weight: 500;
            cursor: pointer;
            transition: all 0.3s ease;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
        }

        .login-submit-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(0, 114, 255, 0.35);
        }

        .login-submit-btn:active {
            transform: translateY(0);
        }

        .reset-password-link {
            background: none;
            border: none;
            color: #999;
            font-size: 13px;
            cursor: pointer;
            padding: 6px;
            transition: color 0.2s ease;
            margin-top: 8px;
        }

        .reset-password-link:hover {
            color: #0071e3;
            text-decoration: underline;
        }

        .form-group {
            margin-bottom: 24px;
            text-align: left;
            position: relative;
        }

        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            color: #475569;
            font-size: 13px;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            transition: all 0.2s ease;
        }

        .form-group:focus-within label {
            color: #0ea5e9;
        }

        .form-group input, .form-group select, .form-group textarea {
            width: 100%;
            padding: 14px 16px;
            border: 2px solid #e2e8f0;
            border-radius: 12px;
            font-size: 15px;
            transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            background: #ffffff;
            box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.02);
        }

        #salesperson.sp-hidden, #salespersonSelect.sp-hidden {
            display: none !important;
        }

        .form-group input:hover, .form-group select:hover, .form-group textarea:hover {
            border-color: #cbd5e1;
            background: #ffffff;
            box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.03), 0 2px 8px rgba(0, 0, 0, 0.04);
        }

        .form-group input:focus, .form-group select:focus, .form-group textarea:focus {
            outline: none;
            border-color: #0ea5e9;
            background: #ffffff;
            box-shadow: 0 0 0 4px rgba(14, 165, 233, 0.1), 0 4px 12px rgba(14, 165, 233, 0.15);
            transform: translateY(-1px);
        }

        .form-group input::placeholder, .form-group textarea::placeholder {
            color: #94a3b8;
            font-size: 14px;
        }

        .btn {
            padding: 12px 24px;
            border: none;
            border-radius: 8px;
            font-size: 16px;
            font-weight: 500;
            cursor: pointer;
            transition: all 0.3s;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
        }

        .btn-primary {
            background: #ffffff;
            color: var(--primary);
            padding: 12px 28px;
            border: 2px solid var(--primary);
            border-radius: 12px;
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            position: relative;
            overflow: hidden;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-primary::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 0;
            height: 100%;
            background: var(--primary-gradient);
            transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            z-index: -1;
        }

        .btn-primary:hover::before {
            width: 100%;
        }

        .btn-primary:hover {
            color: white;
            border-color: transparent;
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
        }

        .btn-primary:active {
            transform: translateY(0);
        }

        .btn-danger {
            background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
            color: white;
            padding: 12px 28px;
            border: none;
            border-radius: 12px;
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            box-shadow: 0 4px 12px rgba(255, 107, 107, 0.3);
        }

        .btn-danger:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(255, 107, 107, 0.4);
        }

        .btn-secondary {
            background: linear-gradient(135deg, #f1f5f9 0%, #e2e8f0 100%);
            color: #475569;
            padding: 12px 28px;
            border: 2px solid #e2e8f0;
            border-radius: 12px;
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .btn-secondary:hover {
            background: linear-gradient(135deg, #e2e8f0 0%, #cbd5e1 100%);
            border-color: #cbd5e1;
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
        }

        .btn-secondary:active {
            transform: translateY(0);
        }

        .btn-sm {
            padding: 8px 16px;
            font-size: 14px;
        }

        .btn-add {
            background: #ffffff;
            color: var(--primary);
            padding: 12px 24px;
            border: 2px solid var(--primary);
            border-radius: 12px;
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            position: relative;
            overflow: hidden;
        }

        .btn-add::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 0;
            height: 100%;
            background: var(--primary-gradient);
            transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            z-index: -1;
        }

        .btn-add:hover::before {
            width: 100%;
        }

        .btn-add:hover {
            color: white;
            border-color: transparent;
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
        }

        .btn-add:active {
            transform: translateY(0);
        }

        /* 出库按钮专用样式 */
        .btn-add[style*="border-color: #f97316"]::before {
            background: linear-gradient(135deg, #f97316 0%, #ea580c 100%);
        }

        .btn-add[style*="border-color: #f97316"]:hover {
            box-shadow: 0 4px 12px rgba(249, 115, 22, 0.3);
        }

        /* 确认出库按钮专用样式 */
        .btn-primary[style*="border-color: #f97316"]::before {
            background: linear-gradient(135deg, #f97316 0%, #ea580c 100%);
        }

        .btn-primary[style*="border-color: #f97316"]:hover {
            box-shadow: 0 4px 12px rgba(249, 115, 22, 0.3);
        }