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

body {
    font-family: "Microsoft YaHei", sans-serif;
    background-color: #f5f5f5;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.container {
    position: relative;
    display: flex;
    width: 1000px;
    height: 600px;
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.left-section {
    flex: 2;
    background: #1a237e;
    padding: 20px;
    display: flex;
    flex-direction: column;
}

.banner-slider {
    flex: 2;
    position: relative;
    overflow: hidden;
}

.slider-container {
    height: 100%;
    position: relative;
}

.slide {
    position: absolute;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.5s ease-in-out;
}

.slide.active {
    opacity: 1;
}

.slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 8px;
}

.slider-dots {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
}

.dot.active {
    background: #fff;
}

.slogan {
    flex: 1;
    color: #fff;
    text-align: center;
    padding: 20px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.slogan h2 {
    font-size: 28px;
    margin-bottom: 15px;
}

.slogan p {
    font-size: 16px;
    opacity: 0.9;
}

.right-section {
    flex: 1;
    padding: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-form {
    width: 100%;
    max-width: 360px;
}

.login-form h1 {
    color: #1a237e;
    margin-bottom: 30px;
    text-align: center;
    font-size: 24px;
}

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

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

.form-group input {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 14px;
    transition: border-color 0.3s;
}

.form-group input:focus {
    outline: none;
    border-color: #1a237e;
}

.login-btn {
    width: 100%;
    padding: 12px;
    background: #1a237e;
    color: #fff;
    border: none;
    border-radius: 4px;
    font-size: 16px;
    cursor: pointer;
    transition: background-color 0.3s;
}

.login-btn:hover {
    background: #0d47a1;
}