* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

/* ✅ 锁死滚动，但保留回弹 */
html, body {
    width: 100%;
    height: 100%;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior-y: contain;
    touch-action: pan-y;
}
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            min-height: 100vh;
            display: flex;
            justify-content: center;
            align-items: center;
            padding: 20px;
        }


        .login-container {
            width: 100%;
            max-width: 420px;
            background: #fff;
            border-radius: 16px;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
            overflow: hidden;
        }

        .login-header {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            padding: 40px 30px 30px;
            text-align: center;
        }

        .login-header h1 {
            font-size: 28px;
            font-weight: 600;
            margin-bottom: 8px;
        }

        .login-header p {
            font-size: 14px;
            opacity: 0.9;
        }

        .login-form {
            padding: 30px;
        }

        .form-group {
            margin-bottom: 20px;
        }

        .form-group label {
            display: block;
            font-size: 14px;
            color: #333;
            margin-bottom: 8px;
            font-weight: 500;
        }

        .input-wrapper {
            position: relative;
            display: flex;
            align-items: center;
        }

        .input-wrapper i {
            position: absolute;
            left: 15px;
            color: #999;
            font-size: 18px;
        }

        .input-wrapper input {
            width: 100%;
            padding: 15px 15px 15px 45px;
            border: 2px solid #e0e0e0;
            border-radius: 10px;
            font-size: 16px;
            transition: all 0.3s ease;
            outline: none;
            -webkit-appearance: none;
            appearance: none;
        }

        .input-wrapper input:focus {
            border-color: #667eea;
            box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.1);
        }

        .input-wrapper input::placeholder {
            color: #aaa;
        }

        .password-toggle {
            position: absolute;
            right: 15px;
            cursor: pointer;
            color: #999;
            font-size: 18px;
            user-select: none;
        }

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

        .remember-me {
            display: flex;
            align-items: center;
            cursor: pointer;
            font-size: 14px;
            color: #666;
        }

        .remember-me input[type="checkbox"] {
            width: 18px;
            height: 18px;
            margin-right: 8px;
            accent-color: #667eea;
            cursor: pointer;
        }

        .forgot-password {
            color: #667eea;
            text-decoration: none;
            font-size: 14px;
            font-weight: 500;
        }

        .forgot-password:hover {
            text-decoration: underline;
        }

        .login-btn {
            width: 100%;
            padding: 15px;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            border: none;
            border-radius: 10px;
            color: white;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .login-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 30px rgba(102, 126, 234, 0.4);
        }

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

        .login-btn:disabled {
            opacity: 0.7;
            cursor: not-allowed;
            transform: none;
        }

        .loading-spinner {
            display: none;
            width: 20px;
            height: 20px;
            border: 2px solid #fff;
            border-top-color: transparent;
            border-radius: 50%;
            animation: spin 0.8s linear infinite;
            margin-right: 10px;
        }

        @keyframes spin {
            to {
                transform: rotate(360deg);
            }
        }

        .login-btn.loading .loading-spinner {
            display: inline-block;
        }

        .divider {
            display: flex;
            align-items: center;
            margin: 25px 0;
            color: #ddd;
            font-size: 12px;
        }

        .divider::before,
        .divider::after {
            content: '';
            flex: 1;
            height: 1px;
            background: #eee;
        }

        .divider span {
            padding: 0 15px;
            color: #999;
        }

        .register-link {
            text-align: center;
            margin-top: 20px;
            padding-top: 20px;
            border-top: 1px solid #eee;
        }

        .register-link p {
            color: #666;
            font-size: 14px;
        }

        .register-link a {
            color: #667eea;
            text-decoration: none;
            font-weight: 600;
        }

        .register-link a:hover {
            text-decoration: underline;
        }

        /* 消息提示 */
        .message {
            padding: 12px 15px;
            border-radius: 8px;
            margin-bottom: 20px;
            font-size: 14px;
            display: none;
        }

        .message.error {
            background: #fee;
            color: #c00;
            border: 1px solid #fcc;
        }

        .message.success {
            background: #efe;
            color: #080;
            border: 1px solid #cfc;
        }

        /* 手机端优化 */
        @media (max-width: 480px) {
            body {
                padding: 0;
                background: #fff;
            }

            .login-container {
                border-radius: 0;
                box-shadow: none;
                min-height: 100vh;
            }

            .login-header {
                padding: 50px 20px 35px;
                border-radius: 0 0 0px 0px;
            }

            .login-header h1 {
                font-size: 24px;
            }

            .login-form {
                padding: 25px 20px;
            }

            .input-wrapper input {
                padding: 14px 14px 14px 42px;
                font-size: 15px;
            }

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

        /* iOS Safari 特殊处理 */
        @supports (-webkit-touch-callout: none) {
            body {
                min-height: -webkit-fill-available;
            }
        }
		
		.btn-text a{ text-decoration: none; color: #ffffff;}