body {
    margin: 0;
    padding: 0;
    font-family: Arial, sans-serif;
    overflow: hidden;               
}


.carousel-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #000;               
    z-index: 0;
}

.carousel {
    height: 100%;
    display: flex;
    transition: transform 0.5s ease;
}

.carousel video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    flex-shrink: 0;
}


.carousel-caption {
    position: absolute;
    top: 180px;                     /* 原80px下调两行（约40px增量） */
    left: 0;
    width: calc(100% - 400px);    
    text-align: center;
    z-index: 10;
    background: none;
    padding: 0;
    border-radius: 0;
    pointer-events: none;
}

.carousel-caption h1 {
    margin: 0;
    font-family: '楷体', 'KaiTi', serif;  
    font-size: 4.0em;                     /* 增大50%（原2.5em） */
    font-weight: bold;                   
    color: #ffffff;
    letter-spacing: 5px;
    text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.7);
}


.login-container {
    position: fixed;
    top: 0;
    right: 0;
    width: 400px;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: none;
    z-index: 100;
    box-sizing: border-box;
}


.login-box {
    width: 100%;
    max-width: 360px;
    margin: 0 20px;
    box-sizing: border-box;
    background: rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}


.login-logo {
    text-align: center;
    margin-bottom: 1.5rem;
}

.login-logo img {
    max-width: 240px;
    height: auto;
}

.form-group {
    margin-bottom: 1rem;
}

label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: bold;
}

input {
    width: 100%;
    padding: 0.8rem;
    box-sizing: border-box;
    border: 1px solid rgba(255, 255, 255, 0.6);
    border-radius: 4px;
    font-size: 1em;
    background: rgba(255, 255, 255, 0.7);
}

.remember-me {
    display: flex;
    align-items: center;
    gap: 8px;
}

.remember-me input {
    width: auto;
}

.remember-me label {
    margin: 0;
    font-weight: normal;
}

button {
    width: 100%;
    padding: 0.8rem;
    background: #007bff;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1em;
    transition: background-color 0.3s ease;
}

button:hover {
    background: #0056b3;
}

.links {
    margin-top: 1rem;
    display: flex;
    justify-content: space-between;
}


.links a {
    color: #000;
    text-decoration: none;
}

.links a:hover {
    text-decoration: underline;
    color: #000;
}

.error {
    color: red;
    margin-bottom: 1rem;
    text-align: center;
}