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

body {
    background: #6c5ce7;
    font-family: 'Microsoft Yahei', sans-serif;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.auth-container {
    display: flex;
    width: 1000px;
    max-width: 100%;
    height: 700px;
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.2);
}

.auth-left {
    flex: 1;
    background: #6c5ce7;
    color: white;
    padding: 40px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.auth-left::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 200%;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 200 200"><path fill="rgba(255,255,255,0.05)" d="M45,-45C65.3,-29.7,92.3,-14.8,95.5,2.9C98.7,20.6,78,41.3,57.7,56.5C37.3,71.7,17.3,81.4,0.5,80.9C-16.3,80.4,-32.7,69.7,-47.1,54.5C-61.5,39.3,-74,19.7,-74.9,-0.7C-75.8,-21.1,-65.2,-42.2,-50.8,-57.5C-36.4,-72.8,-18.2,-82.4,-1.3,-80.8C15.6,-79.3,31.3,-66.7,45,-45Z"></path></svg>');
    background-size: contain;
    animation: rotate 30s linear infinite;
    z-index: 0;
}

.auth-logo {
    margin-bottom: 30px;
    position: relative;
    z-index: 1;
}

.auth-logo img {
    height: 60px;
}

.auth-title {
    font-size: 2.5rem;
    margin-bottom: 20px;
    position: relative;
    z-index: 1;
}

.auth-subtitle {
    font-size: 1.2rem;
    opacity: 0.9;
    margin-bottom: 30px;
    position: relative;
    z-index: 1;
}

.auth-features {
    list-style: none;
    position: relative;
    z-index: 1;
}

.auth-features li {
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.auth-features i {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.8);
}

.auth-right {
    flex: 1;
    padding: 40px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.auth-form-container {
    width: 100%;
    max-width: 400px;
    margin: 0 auto;
}

.auth-tabs {
    display: flex;
    margin-bottom: 30px;
    border-bottom: 1px solid #eee;
}

.auth-tab {
    padding: 10px 20px;
    font-size: 1.1rem;
    color: #666;
    cursor: pointer;
    position: relative;
}

.auth-tab.active {
    color: #6c5ce7;
    font-weight: 600;
}

.auth-tab.active::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 100%;
    height: 3px;
    background: #6c5ce7;
    border-radius: 3px;
}

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

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

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

.form-control {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 16px;
    transition: all 0.3s ease;
}

.form-control:focus {
    border-color: #6c5ce7;
    box-shadow: 0 0 0 3px rgba(108, 92, 231, 0.1);
    outline: none;
}

.input-group {
    display: flex;
    gap: 10px;
}

.input-group .form-control {
    flex: 1;
}

.btn-sms {
    background: #1E90FF;
    color: white;
    border: none;
    padding: 12px 15px;
    border-radius: 8px;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.btn-sms:hover {
    background: #8A2BE2;
}

.btn-sms:disabled {
    background: #ccc;
    cursor: not-allowed;
}

.captcha-group {
    display: flex;
    gap: 10px;
}

.captcha-input {
    flex: 1;
}

.captcha-image {
    width: 120px;
    height: 45px;
    border: 1px solid #ddd;
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f8f9fa;
}

.captcha-image img {
    width: 100%;
    height: 100%;
    border-radius: 8px;
}

.btn-submit {
    width: 100%;
    background: #6c5ce7;
    color: white;
    border: none;
    padding: 14px;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 10px;
}

.btn-submit:hover {
    opacity: 0.9;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(108, 92, 231, 0.4);
}

.auth-footer {
    text-align: center;
    margin-top: 20px;
    color: #666;
    font-size: 14px;
}

.mydiv {
    font-size: 7px;
}

.auth-footer a {
    color: #6c5ce7;
    text-decoration: none;
    font-weight: 500;
}

.error-message {
    color: #ff4757;
    text-align: center;
    margin-top: 15px;
    font-size: 14px;
    padding: 10px;
    background: rgba(255, 71, 87, 0.1);
    border-radius: 6px;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@media (max-width: 768px) {
    .auth-container {
flex-direction: column;
height: auto;
    }

    .auth-left {
padding: 30px 20px;
    }

    .auth-title {
font-size: 2rem;
    }

    .auth-right {
padding: 30px 20px;
    }
}