/* 图片预览模态框样式 */
.image-preview-modal {
    display: none;
    position: fixed;
    z-index: 9999;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(5px);
    justify-content: center;
    align-items: center;
}

.image-preview-modal.active {
    display: flex;
}

.image-preview-container {
    position: relative;
    max-width: 90%;
    max-height: 90%;
    animation: fadeInZoom 0.3s ease;
}

@keyframes fadeInZoom {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.preview-content {
    display: block;
    max-width: 100%;
    max-height: 80vh;
    border-radius: 15px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.preview-caption {
    margin-top: 20px;
    text-align: center;
    color: white;
    font-size: 18px;
    font-weight: 600;
}

.close-preview {
    position: absolute;
    top: -50px;
    right: 0;
    color: white;
    font-size: 35px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    width: 45px;
    height: 45px;
    display: flex;
    justify-content: center;
    align-items: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    backdrop-filter: blur(10px);
}

.close-preview:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: scale(1.1);
}

/* Background animations */
.bg-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

.bg-gradient {
    position: absolute;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #4568dc, #b06ab3);
    opacity: 0.7;
}

.bg-pattern {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(rgba(255,255,255,0.1) 2px, transparent 2px),
        radial-gradient(rgba(255,255,255,0.15) 2px, transparent 2px);
    background-size: 30px 30px;
    background-position: 0 0, 15px 15px;
}

/* Container layout */
.app-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* Header styles */
.app-header {
    background: rgba(255, 255, 255, 0.9);
    border-radius: 15px;
    padding: 25px;
    margin-bottom: 25px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.app-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(to right, #4568dc, #b06ab3);
}

.logo-container {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 10px;
}

.logo-icon {
    font-size: 28px;
    color: #4568dc;
    margin-right: 15px;
}

.app-header h1 {
    font-size: 28px;
    font-weight: 700;
    color: #333;
}

.app-subtitle {
    font-size: 16px;
    color: #666;
}

/* Visitor counter styles */
.visitor-counter {
    margin-top: 15px;
    padding: 8px 15px;
    background: #f0f4ff;
    border-radius: 20px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: #4568dc;
    font-size: 14px;
}

.visitor-counter i {
    font-size: 16px;
}

.visitor-counter span {
    color: #333;
}

#visitorCount {
    font-weight: 600;
    color: #4568dc;
    transition: transform 0.2s ease-in-out;
    display: inline-block;
    min-width: 20px;
    text-align: center;
}

/* Service navigation */
.service-nav {
    display: flex;
    justify-content: space-between;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
    margin-bottom: 25px;
    overflow: hidden;
}

.service-nav-item {
    flex: 1;
    text-align: center;
    padding: 15px 10px;
    color: #555;
    text-decoration: none;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    border-bottom: 3px solid transparent;
}

.service-nav-item i {
    font-size: 24px;
    margin-bottom: 8px;
}

.service-nav-item.active {
    color: #4568dc;
    background-color: rgba(69, 104, 220, 0.05);
    border-bottom: 3px solid #4568dc;
}

.service-nav-item:hover:not(.active) {
    background-color: rgba(0, 0, 0, 0.02);
}

/* Partners section */
.partners-container {
    margin-bottom: 25px;
}

.partners-wrapper {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.partner-card {
    display: flex;
    align-items: center;
    background: #fff;
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    text-decoration: none;
    color: #333;
}

.partner-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.partner-icon {
    width: 50px;
    height: 50px;
    background: #f0f4ff;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 15px;
}

.partner-icon i {
    font-size: 24px;
    color: #4568dc;
}

.partner-info h3 {
    font-size: 16px;
    margin-bottom: 5px;
}

.partner-info p {
    font-size: 12px;
    color: #666;
}

/* Content sections */
.app-main {
    background: #fff;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    margin-bottom: 25px;
}

.content-section {
    display: none;
    padding: 30px;
}

.content-section.active {
    display: block;
}

.section-header {
    display: flex;
    align-items: center;
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 1px solid #f0f0f0;
}

.section-icon {
    width: 40px;
    height: 40px;
    background: #f0f4ff;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 15px;
}

.section-icon i {
    font-size: 20px;
    color: #4568dc;
}

.section-header h2 {
    font-size: 20px;
    color: #333;
    font-weight: 600;
}

/* Form elements */
.form-container {
    max-width: 720px;
    margin: 0 auto;
}

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

label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: #444;
    font-size: 14px;
}

label i {
    margin-right: 5px;
    color: #4568dc;
}

input, select {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    background: #f9f9f9;
    color: #333;
    font-size: 14px;
    transition: all 0.3s ease;
}

input:focus, select:focus {
    outline: none;
    border-color: #4568dc;
    box-shadow: 0 0 0 3px rgba(69, 104, 220, 0.1);
    background: #fff;
}

input::placeholder {
    color: #aaa;
}

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

.code-input-group input {
    flex: 1;
}

.code-btn {
    min-width: 120px;
    background: #f0f4ff;
    color: #4568dc;
    border: 1px solid #e0e0e0;
    font-size: 14px;
    cursor: pointer;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.code-btn:hover {
    background: #e3e9ff;
}

.button-group {
    display: flex;
    gap: 15px;
    margin-bottom: 25px;
}

.btn {
    flex: 1;
    padding: 12px 20px;
    border: none;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn i {
    margin-right: 8px;
}

.btn-primary {
    background: linear-gradient(135deg, #4568dc, #5d76e7);
    color: white;
    box-shadow: 0 5px 15px rgba(69, 104, 220, 0.3);
}

.btn-primary:hover {
    background: linear-gradient(135deg, #3d5cca, #5468d4);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(69, 104, 220, 0.4);
}

.btn-secondary {
    background: #f0f4ff;
    color: #4568dc;
    border: 1px solid #e3e9ff;
}

.btn-secondary:hover {
    background: #e3e9ff;
    transform: translateY(-2px);
}

.btn-danger {
    background: #ffe0e0;
    color: #dc4545;
    border: 1px solid #ffd0d0;
}

.btn-danger:hover {
    background: #ffd0d0;
    transform: translateY(-2px);
}

button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
}

/* Result displays */
.result-container {
    margin-top: 20px;
    background: #f9f9f9;
    border-radius: 10px;
    padding: 15px;
    border: 1px solid #f0f0f0;
}

.result-section {
    margin-bottom: 15px;
}

.result-header {
    font-weight: 500;
    margin-bottom: 10px;
    color: #444;
    display: flex;
    align-items: center;
}

.result-header i {
    margin-right: 8px;
    color: #4568dc;
}

.result-content {
    background: #fff;
    border-radius: 8px;
    padding: 12px;
    min-height: 60px;
    border: 1px solid #eee;
    word-break: break-all;
    font-family: monospace;
    font-size: 13px;
}

.status-message {
    padding: 10px;
    border-radius: 8px;
    font-size: 14px;
    text-align: center;
}

.status-success { 
    color: #28a745; 
    background: rgba(40, 167, 69, 0.1);
}

.status-warning { 
    color: #ffc107; 
    background: rgba(255, 193, 7, 0.1);
}

.status-error { 
    color: #dc3545; 
    background: rgba(220, 53, 69, 0.1);
}

/* Log display */
.log-display {
    max-height: 250px;
    overflow-y: auto;
    background: #292d3e;
    border-radius: 8px;
    padding: 10px;
    font-family: monospace;
    font-size: 12px;
    color: #eee;
}

.log-entry {
    margin: 5px 0;
    padding: 5px;
    border-radius: 4px;
    border-left: 3px solid;
}

.log-entry.info {
    border-left-color: #4568dc;
}

.log-entry.success {
    border-left-color: #28a745;
    color: #a8e9bc;
}

.log-entry.warning {
    border-left-color: #ffc107;
    color: #ffe7a0;
}

.log-entry.error {
    border-left-color: #dc3545;
    color: #f5b8bf;
}

/* Note boxes */
.note-box {
    background: rgba(255, 193, 7, 0.1);
    border-left: 4px solid #ffc107;
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 25px;
    display: flex;
    align-items: flex-start;
}

.note-box i {
    margin-right: 10px;
    color: #ffc107;
    font-size: 18px;
    margin-top: 2px;
}

.note-box p {
    font-size: 13px;
    color: #6c5200;
}

.info-note {
    text-align: center;
    margin-top: 20px;
    font-size: 13px;
    color: #777;
}

.info-note a {
    color: #4568dc;
    text-decoration: none;
}

.info-note a:hover {
    text-decoration: underline;
}

/* Integral results */
.integral-results {
    background: #fff;
    border-radius: 8px;
    min-height: 60px;
    border: 1px solid #eee;
}

.user-info {
    padding: 15px;
    border-bottom: 1px solid #f0f0f0;
}

.user-info p {
    margin-bottom: 8px;
    font-size: 14px;
}

.integral-details h3 {
    padding: 15px;
    font-size: 16px;
    font-weight: 500;
}

.integral-record {
    padding: 15px;
    border-top: 1px solid #f0f0f0;
}

.integral-record p {
    margin-bottom: 5px;
    font-size: 13px;
}

/* Footer styles */
.app-footer {
    background: rgba(255, 255, 255, 0.9);
    border-radius: 15px;
        padding: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #4568dc;
    font-weight: 500;
}

.footer-links a {
    color: #4568dc;
    text-decoration: none;
    font-size: 14px;
}

.footer-links a:hover {
    text-decoration: underline;
}

.footer-copyright {
    font-size: 12px;
    color: #777;
}

/* Modal styles */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
    overflow-y: auto;
}

#ipRegisterModal {
    display: block;
    z-index: 2000;
}

.modal-content {
    background-color: #fff;
    margin: 5% auto;
    max-width: 500px;
    width: 90%;
    border-radius: 15px;
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.3);
    overflow: hidden;
    animation: fadeInUp 0.5s;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
}

.modal-header {
    padding: 20px;
    background: #f9f9f9;
    position: relative;
    text-align: center;
    border-bottom: 1px solid #eee;
}

.modal-header h2 {
    font-size: 22px;
    color: #333;
    margin: 0;
}

.modal-icon {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 80px;
    opacity: 0.05;
    color: #4568dc;
    pointer-events: none;
}

.modal-body {
    padding: 25px 20px;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
}

.modal-body p {
    margin-bottom: 15px;
    line-height: 1.6;
    font-size: 15px;
}

.modal-note {
    color: #777;
    font-size: 13px !important;
}

.modal-footer {
    padding: 15px 20px;
    text-align: center;
    background: #f9f9f9;
    border-top: 1px solid #eee;
    display: flex;
    justify-content: center;
}

.modal-footer .btn {
    min-width: 200px;
    margin: 0 auto;
}

/* QQ group modal */
.qq-group-number {
    font-size: 20px !important;
    font-weight: 600;
    color: #4568dc;
    text-align: center;
}

.qr-code-container {
    text-align: center;
    padding: 10px 0;
}

.qr-code {
    max-width: 200px;
    width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

/* Agreement modal */
.agreement-content {
    max-height: 400px;
    overflow-y: auto;
}

.agreement-content h3 {
    font-size: 18px;
    margin: 20px 0 10px;
    display: flex;
    align-items: center;
    color: #4568dc;
}

.agreement-content h3 i {
    margin-right: 10px;
}

.agreement-content h3:first-child {
    margin-top: 0;
}

.agreement-content p {
    margin-bottom: 15px;
    font-size: 14px;
}

.agreement-content ul {
    padding-left: 35px;
    margin-bottom: 20px;
}

.agreement-content li {
    margin-bottom: 8px;
    font-size: 14px;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
    .app-container {
        padding: 15px;
    }
    
    .app-header {
        padding: 20px 15px;
    }
    
    .app-header h1 {
        font-size: 22px;
    }
    
    .logo-icon {
        font-size: 24px;
    }
    
    .service-nav-item {
        padding: 10px 5px;
    }
    
    .service-nav-item i {
        font-size: 20px;
        margin-bottom: 5px;
    }
    
    .partners-wrapper {
        grid-template-columns: 1fr;
    }
    
    .content-section {
        padding: 20px 15px;
    }
    
    .button-group {
        flex-direction: column;
    }
    
    .code-input-group {
        flex-direction: column;
    }
    
    .code-btn {
        width: 100%;
    }
    
    .modal-content {
        margin: 5% auto;
        width: 95%;
        max-height: 85vh;
    }
    
    .modal-header {
        padding: 15px;
    }
    
    .modal-body {
        padding: 15px;
        max-height: calc(85vh - 130px);
    }
    
    .modal-footer {
        position: sticky;
        bottom: 0;
        background: #f9f9f9;
        z-index: 5;
        box-shadow: 0 -3px 10px rgba(0, 0, 0, 0.05);
    }
    
    .ip-sites-container {
        max-height: 60vh;
        overflow-y: auto;
    }
    
    .ip-site-preview {
        height: 120px;
    }
    
    .ip-preview-img {
        max-height: 100px;
    }
}

/* 下载页面样式 */
.download-container {
    padding: 20px;
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.download-info {
    margin-bottom: 25px;
    text-align: center;
}

.download-info h3 {
    font-size: 22px;
    color: #333;
    margin-bottom: 10px;
}

.download-info p {
    color: #666;
    font-size: 16px;
    margin-bottom: 15px;
}

.download-size {
    display: inline-flex;
    align-items: center;
    background: #f0f4ff;
    padding: 8px 15px;
    border-radius: 20px;
    color: #4568dc;
}

.download-size i {
    margin-right: 8px;
}

.download-buttons {
    display: flex;
    justify-content: center;
    margin-bottom: 30px;
}

.download-buttons .btn {
    padding: 15px 40px;
    font-size: 18px;
    border-radius: 10px;
    box-shadow: 0 8px 20px rgba(69, 104, 220, 0.3);
    transition: all 0.3s ease;
}

.download-buttons .btn:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 25px rgba(69, 104, 220, 0.4);
}

.download-buttons .btn i {
    margin-right: 10px;
}

.screenshot-container {
    margin-top: 30px;
}

.screenshot-container h3 {
    font-size: 18px;
    color: #333;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
}

.screenshot-container h3 i {
    margin-right: 10px;
    color: #4568dc;
}

.screenshot-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin-top: 15px;
}

.screenshot {
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    position: relative;
}

.screenshot:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15);
}

.screenshot::after {
    content: "\f00e"; /* Font Awesome 放大镜图标 */
    font-family: "Font Awesome 5 Free";
    font-weight: 900;
    position: absolute;
    bottom: 10px;
    right: 10px;
    width: 40px;
    height: 40px;
    background: rgba(69, 104, 220, 0.8);
    color: white;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.screenshot:hover::after {
    opacity: 1;
}

.screenshot img {
    width: 100%;
    height: auto;
    display: block;
    cursor: zoom-in;
}

/* 图片预览模态框样式 */
.image-preview-modal {
    background-color: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(5px);
    position: fixed;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 3000;
}

.image-preview-modal.active {
    display: flex;
}

.image-preview-container {
    position: relative;
    max-width: 90%;
    max-height: 90%;
    animation: fadeInZoom 0.3s;
}

@keyframes fadeInZoom {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.preview-content {
    display: block;
    max-width: 100%;
    max-height: 80vh;
    border-radius: 10px;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
}

.preview-caption {
    margin-top: 15px;
    text-align: center;
    color: white;
    font-size: 16px;
}

.close-preview {
    position: absolute;
    top: -40px;
    right: 0;
    color: white;
    font-size: 30px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s;
    width: 40px;
    height: 40px;
    display: flex;
    justify-content: center;
    align-items: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
}

.close-preview:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: scale(1.1);
}

/* IP sites container */
.ip-sites-container {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-top: 20px;
}

.ip-site-option {
    flex: 1;
    min-width: 200px;
    background: #f9f9f9;
    border-radius: 8px;
    padding: 15px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.ip-site-option:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.ip-site-option h3 {
    font-size: 16px;
    margin-bottom: 15px;
    color: #4568dc;
}

.ip-site-preview {
    margin-bottom: 15px;
    background: #fff;
    border-radius: 8px;
    padding: 10px;
    height: 150px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    border: 1px solid #eaeaea;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.05);
}

.ip-preview-img {
    max-width: 100%;
    max-height: 130px;
    object-fit: contain;
    transition: transform 0.3s ease;
}

.ip-site-preview:hover .ip-preview-img {
    transform: scale(1.05);
}

.ip-site-btn {
    width: 100%;
    margin-top: 10px;
}

/* User agreement section */
.user-agreement-section {
    background: #fff;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    margin-bottom: 25px;
    padding: 30px;
    display: none; /* Initially hidden, shown when user clicks on agreement link */
}

.user-agreement-section .section-header {
    display: flex;
    align-items: center;
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 1px solid #f0f0f0;
}

.user-agreement-section .section-icon {
    width: 40px;
    height: 40px;
    background: #f0f4ff;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 15px;
}

.user-agreement-section .section-icon i {
    font-size: 20px;
    color: #4568dc;
}

.user-agreement-section h2 {
    font-size: 20px;
    color: #333;
    font-weight: 600;
}

/* Mobile styles for IP sites */
@media (max-width: 768px) {
    .ip-sites-container {
        flex-direction: column;
    }
    
    .ip-site-option {
        width: 100%;
    }
}

.agreement-actions {
    margin-top: 30px;
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid #eaeaea;
}

.agreement-actions .btn {
    min-width: 180px;
    padding: 12px 25px;
    font-size: 16px;
    transition: all 0.3s ease;
}

/* 针对特别小的屏幕设备额外优化 */
@media (max-width: 480px) {
    .modal-content {
        margin: 0;
        border-radius: 0;
        width: 100%;
        height: 100%;
        max-height: 100%;
    }
    
    .modal-body {
        padding: 15px 10px;
        max-height: calc(100vh - 120px);
    }
    
    .ip-sites-container {
        flex-direction: column;
        max-height: unset;
    }
    
    /* 确保底部按钮始终可见 */
    .modal-footer {
        position: fixed;
        bottom: 0;
        left: 0;
        width: 100%;
        z-index: 2010;
        padding: 10px;
    }
    
    /* 为底部按钮留出空间 */
    .modal-body {
        padding-bottom: 70px;
    }
    
    .ip-site-option {
        margin-bottom: 15px;
    }
}

.modal-close {
    position: absolute;
    top: 10px;
    right: 15px;
    color: #aaa;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    z-index: 10;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.05);
    transition: all 0.2s ease;
}

.modal-close:hover {
    background: rgba(0, 0, 0, 0.1);
    color: #333;
}

.scroll-hint {
    text-align: center;
    color: #4568dc;
    font-size: 14px;
    margin: 10px 0;
    animation: bounce 1.5s infinite;
    display: none; /* 默认隐藏，仅在移动设备上显示 */
}

.scroll-hint i {
    margin-right: 5px;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-8px);
    }
    60% {
        transform: translateY(-4px);
    }
}

/* 在移动设备上显示滚动提示 */
@media (max-width: 768px) {
    .scroll-hint {
        display: block;
    }
}