/* Contact 页面专用样式 */

/* Main Content */
.main-content {
    background-color: #ffffff;
    width: 100%;
    min-height: 100vh;
}

/* Preferred Partner Section */
.preferred-partner-section {
    background-color: #ffffff;
    padding: 80px 0;
    width: 100%;
}

.preferred-partner-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
}

.preferred-partner-title {
    font-size: 48px;
    font-weight: 700;
    color: #4472C4;
    text-align: left;
    margin-bottom: 25px;
    line-height: 1.2;
}

.preferred-partner-content {
    max-width: 800px;
}

.partner-subtitle {
    font-size: 20px;
    font-weight: 600;
    color: #4472C4;
    margin-bottom: 10px;
    line-height: 1.4;
}

.partner-description {
    font-size: 18px;
    line-height: 1.6;
    color: #4472C4;
    margin-bottom: 10px;
}

.partner-form-intro {
    font-size: 18px;
    line-height: 1.6;
    color: #4472C4;
    margin-bottom: 10px;
    margin-top: 15px;
}

.partner-terms {
    font-size: 18px;
    line-height: 1.6;
    color: #4472C4;
    margin-bottom: 0;
}

.terms-link {
    color: #4472C4;
    text-decoration: underline;
    transition: color 0.3s ease;
}

.terms-link:hover {
    color: #2d5aa0;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .preferred-partner-container {
        padding: 0 30px;
    }
    
    .preferred-partner-title {
        font-size: 42px;
        margin-bottom: 20px;
    }
    
    .partner-subtitle {
        font-size: 18px;
        margin-bottom: 8px;
    }
    
    .partner-description,
    .partner-form-intro,
    .partner-terms {
        font-size: 16px;
        margin-bottom: 8px;
    }
    
    .partner-form-intro {
        margin-top: 12px;
    }
}

@media (max-width: 768px) {
    .preferred-partner-section {
        padding: 60px 0;
    }
    
    .preferred-partner-container {
        padding: 0 20px;
    }
    
    .preferred-partner-title {
        font-size: 36px;
        margin-bottom: 18px;
    }
    
    .partner-subtitle {
        font-size: 16px;
        margin-bottom: 6px;
    }
    
    .partner-description,
    .partner-form-intro,
    .partner-terms {
        font-size: 15px;
        margin-bottom: 6px;
    }
    
    .partner-form-intro {
        margin-top: 10px;
    }
}

@media (max-width: 480px) {
    .preferred-partner-section {
        padding: 50px 0;
    }
    
    .preferred-partner-container {
        padding: 0 15px;
    }
    
    .preferred-partner-title {
        font-size: 30px;
        margin-bottom: 25px;
    }
    
    .partner-subtitle {
        font-size: 15px;
        margin-bottom: 8px;
    }
    
    .partner-description,
    .partner-form-intro,
    .partner-terms {
        font-size: 14px;
        margin-bottom: 8px;
    }
    
    .partner-form-intro {
        margin-top: 15px;
    }
}

/* Join Us Section */
.join-us-section {
    background-color: #ffffff;
    padding: 80px 0;
    width: 100%;
}

.join-us-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: stretch;
    gap: 60px;
    padding: 0 40px;
    min-height: 900px;
}

.join-us-image-container {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.join-us-image {
    width: 100%;
    height: 900px;
    object-fit: cover;
    border-radius: 20px;
    max-width: 500px;
}

.join-us-form-container {
    flex: 1;
    display: flex;
    align-items: stretch;
}

.join-us-form {
    width: 100%;
    height: 900px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 40px;
    background-color: #ffffff;
}

.join-us-title {
    font-size: 48px;
    font-weight: 700;
    color: #4472C4;
    text-align: center;
    margin-bottom: 10px;
    line-height: 1.2;
}

.join-us-subtitle {
    font-size: 18px;
    color: #4472C4;
    text-align: center;
    margin-bottom: 30px;
    line-height: 1.4;
}

.contact-form {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-label {
    font-size: 16px;
    font-weight: 600;
    color: #4472C4;
    margin-bottom: 8px;
    text-transform: uppercase;
}

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

.input-icon {
    position: absolute;
    left: 15px;
    z-index: 2;
    pointer-events: none;
}

.form-input {
    width: 100%;
    padding: 15px 15px 15px 45px;
    border: 2px solid #4472C4;
    border-radius: 25px;
    font-size: 16px;
    color: #4472C4;
    background-color: #ffffff;
    outline: none;
    transition: border-color 0.3s ease;
}

.form-input::placeholder {
    color: #4472C4;
    opacity: 0.7;
    transition: opacity 0.3s ease;
}

.form-input:hover::placeholder {
    opacity: 0;
}

.form-input:focus {
    border-color: #2d5aa0;
}

.form-input:focus::placeholder {
    opacity: 0;
}

/* 错误状态样式 */
.form-group.error .form-input {
    border-color: #ff4757;
}

.form-group.error .input-icon {
    stroke: #ff4757;
}

.form-group.error .form-label {
    color: #ff4757;
}

.error-message {
    color: #ff4757;
    font-size: 14px;
    margin-top: 5px;
    display: none;
}

.form-group.error .error-message {
    display: block;
}

.radio-group {
    display: flex;
    gap: 30px;
    margin-top: 8px;
}

.radio-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 16px;
    color: #4472C4;
    cursor: pointer;
}

.radio-input {
    display: none;
}

.radio-custom {
    width: 20px;
    height: 20px;
    border: 2px solid #4472C4;
    border-radius: 50%;
    position: relative;
    transition: all 0.3s ease;
}

.radio-input:checked + .radio-custom {
    background-color: #4472C4;
}

.radio-input:checked + .radio-custom::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 8px;
    height: 8px;
    background-color: #ffffff;
    border-radius: 50%;
}

.form-textarea {
    width: 100%;
    padding: 15px;
    border: 2px solid #4472C4;
    border-radius: 20px;
    font-size: 16px;
    color: #4472C4;
    background-color: #ffffff;
    outline: none;
    transition: border-color 0.3s ease;
    min-height: 80px;
    resize: vertical;
    font-family: inherit;
}

.form-textarea::placeholder {
    color: #4472C4;
    opacity: 0.7;
    transition: opacity 0.3s ease;
}

.form-textarea:hover::placeholder {
    opacity: 0;
}

.form-textarea:focus {
    border-color: #2d5aa0;
}

.form-textarea:focus::placeholder {
    opacity: 0;
}

.form-group.error .form-textarea {
    border-color: #ff4757;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 16px;
    color: #4472C4;
    cursor: pointer;
}

.checkbox-input {
    display: none;
}

.checkbox-custom {
    width: 20px;
    height: 20px;
    border: 2px solid #4472C4;
    border-radius: 4px;
    position: relative;
    transition: all 0.3s ease;
}

.checkbox-input:checked + .checkbox-custom {
    background-color: #4472C4;
}

.checkbox-input:checked + .checkbox-custom::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: #ffffff;
    font-size: 12px;
    font-weight: bold;
}

.form-submit {
    text-align: center;
    margin-top: 20px;
}

.register-btn-form {
    display: inline-block;
    background-color: #4472C4;
    color: white;
    font-size: 18px;
    font-weight: 600;
    padding: 15px 50px;
    border-radius: 50px;
    text-decoration: none;
    transition: background-color 0.3s ease;
    border: none;
    cursor: pointer;
}

.register-btn-form:hover {
    background-color: #ff9f43;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .join-us-container {
        gap: 40px;
        padding: 0 30px;
        min-height: 800px;
    }
    
    .join-us-image {
        width: 100%;
        height: 800px;
        max-width: 400px;
    }
    
    .join-us-form {
        height: 800px;
        padding: 30px;
    }
    
    .join-us-title {
        font-size: 42px;
        margin-bottom: 8px;
    }
    
    .join-us-subtitle {
        font-size: 16px;
        margin-bottom: 25px;
    }
    
    .contact-form {
        gap: 18px;
    }
    
    .form-label {
        font-size: 14px;
        margin-bottom: 6px;
    }
    
    .form-input {
        padding: 12px 12px 12px 40px;
        font-size: 14px;
    }
    
    .form-textarea {
        padding: 12px;
        font-size: 14px;
        min-height: 70px;
    }
    
    .register-btn-form {
        font-size: 16px;
        padding: 12px 40px;
    }
}

@media (max-width: 768px) {
    .join-us-section {
        padding: 60px 0;
    }
    
    .join-us-container {
        flex-direction: column;
        gap: 30px;
        padding: 0 20px;
        min-height: auto;
    }
    
    .join-us-image {
        width: 100%;
        height: 400px;
        max-width: 500px;
        margin: 0 auto;
    }
    
    .join-us-form {
        height: auto;
        padding: 25px;
    }
    
    .join-us-title {
        font-size: 36px;
        margin-bottom: 6px;
    }
    
    .join-us-subtitle {
        font-size: 15px;
        margin-bottom: 20px;
    }
    
    .contact-form {
        gap: 15px;
    }
    
    .radio-group {
        gap: 20px;
    }
    
    .form-submit {
        margin-top: 15px;
    }
}

@media (max-width: 480px) {
    .join-us-section {
        padding: 50px 0;
    }
    
    .join-us-container {
        padding: 0 15px;
        gap: 20px;
    }
    
    .join-us-image {
        height: 300px;
    }
    
    .join-us-form {
        padding: 20px;
    }
    
    .join-us-title {
        font-size: 30px;
        margin-bottom: 5px;
    }
    
    .join-us-subtitle {
        font-size: 14px;
        margin-bottom: 18px;
    }
    
    .contact-form {
        gap: 12px;
    }
    
    .form-label {
        font-size: 13px;
        margin-bottom: 5px;
    }
    
    .form-input {
        padding: 10px 10px 10px 35px;
        font-size: 13px;
    }
    
    .input-icon {
        left: 12px;
        width: 16px;
        height: 16px;
    }
    
    .form-textarea {
        padding: 10px;
        font-size: 13px;
        min-height: 60px;
    }
    
    .radio-group {
        gap: 15px;
    }
    
    .radio-label,
    .checkbox-label {
        font-size: 14px;
    }
    
    .register-btn-form {
        font-size: 15px;
        padding: 10px 35px;
    }
}