* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: "Microsoft Yahei", sans-serif;
        }

        body {
            background-color: #fff;
        }

        /* 头部区域 - 网页安全区 */
        .header {
            height: 50px;
            background-color: #fff;
            display: flex;
            align-items: center;
            padding: 0 20px;
            border-bottom: 1px solid #f0f0f0;
            /* 网页安全区容器 */
            max-width: 1200px;
            margin: 0 auto;
            width: 100%;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 15px;
        }

        .logo-item {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .logo-text {
            font-size: 18px;
            font-weight: bold;
            color: #333;
        }

        .logo-sub {
            font-size: 12px;
            color: #666;
            margin-top: 2px;
        }

        .header-title {
            font-size: 18px;
			font-weight:bold;
            color: #333;
            margin-left: 20px;
        }

        /* 主背景区域 */
        .main-bg {
            width: 100%;
            min-height: calc(100vh - 50px);
            background: linear-gradient(180deg, #f85a5a 0%, #ff9a5a 100%);
            position: relative;
            overflow: hidden;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        /* 背景装饰元素 */
        .bg-circle {
            position: absolute;
            top: 50px;
            right: 50px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.1);
        }

        .bg-city {
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 100%;
            opacity: 0.1;
            z-index: 0;
        }

        .bg-wave {
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 120px;
            background: repeating-linear-gradient(
                90deg,
                transparent,
                transparent 10px,
                rgba(255, 255, 255, 0.2) 10px,
                rgba(255, 255, 255, 0.2) 12px
            );
            opacity: 0.6;
        }

        /* 左侧插画 */
        .illustration {
            position: absolute;
            left: 10%;
            top: 50%;
            transform: translateY(-50%);
            z-index: 1;
        }
		.footer {
			position: absolute;
			width:100%;
			height:40px;
            left: 0%;
            bottom: 0px;
            transform: translateY(-50%);
            z-index: 1;
			text-align:center;
			color:#fff;
			line-height:40px;
		}
        .platform {
            width: 280px;
            height: 120px;
            background: linear-gradient(135deg, #ff4d4f 0%, #ff7875 100%);
            border-radius: 8px;
            position: relative;
            transform: perspective(500px) rotateX(30deg);
        }

        .platform-inner {
            position: absolute;
            top: 20px;
            left: 50%;
            transform: translateX(-50%);
            width: 120px;
            height: 60px;
            background: radial-gradient(circle, #fff 0%, #ff9a9e 100%);
            border-radius: 50%;
            opacity: 0.8;
        }

        .chat-bubble {
            position: absolute;
            top: -60px;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 60px;
            background: rgba(255, 255, 255, 0.9);
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: space-around;
            padding: 0 10px;
        }

        .chat-dot {
            width: 10px;
            height: 10px;
            background: #ff9a9e;
            border-radius: 50%;
        }

        .card-group {
            position: absolute;
            top: -120px;
            right: -40px;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .card {
            width: 80px;
            height: 60px;
            background: #fff;
            border-radius: 4px;
            padding: 8px;
            box-shadow: 0 4px 8px rgba(0,0,0,0.1);
            opacity: 0.9;
        }

        .card-line {
            height: 4px;
            background: #ff9a9e;
            margin: 4px 0;
            border-radius: 2px;
        }

        .card-line.short {
            width: 60%;
        }

        .left-cards {
            position: absolute;
            top: -100px;
            left: -60px;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .data-card {
            width: 100px;
            height: 70px;
            background: #fff;
            border-radius: 4px;
            padding: 8px;
            box-shadow: 0 4px 8px rgba(0,0,0,0.1);
            opacity: 0.9;
        }

        .data-chart {
            width: 100%;
            height: 30px;
            background: linear-gradient(90deg, #ff4d4f 0%, #ff9a9e 100%);
            border-radius: 2px;
            position: relative;
        }

        .pillar {
            position: absolute;
            bottom: -80px;
            left: 50%;
            transform: translateX(-50%);
            width: 100px;
            height: 80px;
            background: repeating-linear-gradient(
                180deg,
                transparent,
                transparent 10px,
                rgba(255, 255, 255, 0.2) 10px,
                rgba(255, 255, 255, 0.2) 12px
            );
            border-radius: 50px;
        }

        /* 登录框 */
        .login-box {
            position: absolute;
            right: 20%;
            top: 50%;
            transform: translateY(-50%);
            width: 360px;
            background: #fff;
            border-radius: 8px;
            padding: 30px;
            box-shadow: 0 8px 24px rgba(0,0,0,0.1);
            z-index: 1;
        }

        .login-title {
            font-size: 28px;
            font-weight: bold;
            color: #333;
            margin-bottom: 25px;
        }

        .input-group {
            margin-bottom: 15px;
            position: relative;
        }

        .input-group input {
            width: 100%;
            height: 40px;
            padding: 0 15px 0 40px;
            border: 1px solid #f0f0f0;
            border-radius: 6px;
            font-size: 14px;
            background-color: #f7f7f7f7;
            outline: none;
            transition: border-color 0.3s;
        }

        .input-group input:focus {
            border-color: #ff4d4f;
        }

        .input-group .icon {
            position: absolute;
            left: 12px;
            top: 50%;
            transform: translateY(-50%);
            width: 16px;
            height: 16px;
            opacity: 0.5;
        }

        /* 验证码区域：改为垂直排列 */
        .code-box {
            width: 100%;
            height: 40px;
            border-radius: 6px;
            display: flex;
            align-items: center;
            font-size: 16px;
            color: #333;
            font-weight: 500;
            margin-top: 8px;
            cursor: pointer;
        }

        .login-btn {
            width: 100%;
            height: 44px;
            background: #ff4d4f;
            color: #fff;
            border: none;
            border-radius: 6px;
            font-size: 16px;
            font-weight: 500;
            cursor: pointer;
            margin-top: 10px;
            transition: background 0.3s;
        }

        .login-btn:hover {
            background: #ff7875;
        }

        .remember {
            margin-top: 15px;
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            color: #666;
        }

        .remember input {
            width: 16px;
            height: 16px;
            cursor: pointer;
        }

        /* 响应式适配 */
        @media (max-width: 1200px) {
            .illustration {
                left: 10%;
                transform: scale(0.8) translateY(-50%);
            }
            .login-box {
                right: 10%;
            }
        }

        @media (max-width: 768px) {
            .illustration {
                display: none;
            }
            .login-box {
                right: 50%;
                transform: translate(50%, -50%);
                width: 90%;
                max-width: 360px;
            }
        }