/* ========================================
   使用条款页面样式
======================================== */

/* 页面导航 */
.page-navigation {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    padding: 1rem 0;
    border-bottom: 1px solid #333;
}

.page-navigation .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: #b0b0b0;
}

.breadcrumb a {
    color: #ffd700;
    text-decoration: none;
    transition: color 0.3s ease;
}

.breadcrumb a:hover {
    color: #fff;
}

.breadcrumb .separator {
    color: #666;
}

.breadcrumb .current {
    color: #fff;
    font-weight: 500;
}

.page-info .last-updated {
    color: #b0b0b0;
    font-size: 0.85rem;
    padding: 0.25rem 0.75rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 20px;
}

/* 主要页面 */
.terms-page {
    background: #0f0f23;
    min-height: 100vh;
    padding: 2rem 0;
}

.terms-layout {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 2rem;
    align-items: start;
}

/* 侧边栏 */
.terms-sidebar {
    position: relative;
}

.sidebar-sticky {
    position: sticky;
    top: 2rem;
    background: #1a1a2e;
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.sidebar-title {
    color: #fff;
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid #ffd700;
}

.sidebar-title i {
    color: #ffd700;
}

/* 目录导航 */
.terms-nav .nav-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.terms-nav .nav-list li {
    margin-bottom: 0.5rem;
}

.nav-link {
    display: block;
    color: #b0b0b0;
    text-decoration: none;
    padding: 0.5rem 0.75rem;
    border-radius: 6px;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    border-left: 3px solid transparent;
}

.nav-link:hover {
    background: rgba(255, 215, 0, 0.1);
    color: #ffd700;
    border-left-color: #ffd700;
}

.nav-link.active {
    background: rgba(255, 215, 0, 0.2);
    color: #ffd700;
    border-left-color: #ffd700;
    font-weight: 500;
}

/* 快速链接 */
.quick-links {
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid #333;
}

.quick-links h4 {
    color: #fff;
    font-size: 0.95rem;
    margin-bottom: 1rem;
    font-weight: 500;
}

.quick-links ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.quick-links li {
    margin-bottom: 0.5rem;
}

.quick-links a {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: #b0b0b0;
    text-decoration: none;
    padding: 0.5rem 0.75rem;
    border-radius: 6px;
    font-size: 0.85rem;
    transition: all 0.3s ease;
}

.quick-links a:hover {
    background: rgba(255, 255, 255, 0.1);
    color: #ffd700;
}

.quick-links i {
    width: 16px;
    color: #ffd700;
}

/* 主要内容区域 */
.terms-content {
    background: #1a1a2e;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

/* 条款头部 */
.terms-header {
    background: linear-gradient(135deg, #2d2d4a 0%, #1a1a2e 100%);
    padding: 2rem;
    border-bottom: 1px solid #333;
}

.page-title {
    font-size: 2rem;
    font-weight: 600;
    color: #fff;
    margin: 0 0 1.5rem 0;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.page-title i {
    color: #ffd700;
    font-size: 1.8rem;
}

.header-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
}

.version-info {
    display: flex;
    gap: 1rem;
}

.version {
    background: linear-gradient(45deg, #ffd700, #f39c12);
    color: #1a1a2e;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.effective-date {
    color: #b0b0b0;
    font-size: 0.9rem;
}

.language-notice {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: #b0b0b0;
    font-size: 0.85rem;
    background: rgba(255, 255, 255, 0.05);
    padding: 0.5rem 1rem;
    border-radius: 8px;
}

.language-notice i {
    color: #ffd700;
}

/* 前言 */
.terms-preamble {
    padding: 2rem;
    border-bottom: 1px solid #333;
}

.terms-preamble h2 {
    color: #fff;
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.terms-preamble p {
    color: #b0b0b0;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.important-notice {
    background: rgba(255, 193, 7, 0.1);
    border: 1px solid rgba(255, 193, 7, 0.3);
    border-radius: 8px;
    padding: 1rem;
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}

.important-notice i {
    color: #ffc107;
    margin-top: 0.1rem;
}

.important-notice strong {
    color: #ffc107;
}

/* 条款章节 */
.terms-sections {
    padding: 2rem;
}

.terms-section {
    margin-bottom: 3rem;
    scroll-margin-top: 2rem;
}

.terms-section:last-child {
    margin-bottom: 0;
}

.terms-section h2 {
    color: #fff;
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid #ffd700;
}

.section-content h4 {
    color: #fff;
    font-size: 1.1rem;
    font-weight: 500;
    margin: 1.5rem 0 0.75rem 0;
}

.section-content p {
    color: #b0b0b0;
    line-height: 1.6;
    margin-bottom: 1rem;
}

.section-content ul {
    color: #b0b0b0;
    line-height: 1.6;
    margin-bottom: 1rem;
    padding-left: 1.5rem;
}

.section-content li {
    margin-bottom: 0.5rem;
}

/* 特殊列表 */
.service-list {
    list-style: none;
    padding: 0;
}

.service-list li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    margin-bottom: 0.5rem;
}

.service-list i {
    color: #ffd700;
    width: 20px;
}

/* 禁止行为列表 */
.prohibited-list {
    display: grid;
    gap: 1rem;
    margin: 1rem 0;
}

.prohibited-item {
    display: flex;
    gap: 1rem;
    padding: 1rem;
    background: rgba(255, 107, 107, 0.1);
    border: 1px solid rgba(255, 107, 107, 0.2);
    border-radius: 8px;
}

.prohibited-item i {
    color: #ff6b6b;
    font-size: 1.2rem;
    margin-top: 0.1rem;
}

.prohibited-item strong {
    color: #ff6b6b;
    display: block;
    margin-bottom: 0.25rem;
}

.prohibited-item p {
    margin: 0;
    color: #b0b0b0;
    font-size: 0.9rem;
}

/* 特殊提示框 */
.warning-box,
.copyright-notice,
.privacy-highlight,
.financial-notice,
.disclaimer-box {
    padding: 1rem;
    border-radius: 8px;
    margin: 1.5rem 0;
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}

.warning-box {
    background: rgba(255, 193, 7, 0.1);
    border: 1px solid rgba(255, 193, 7, 0.3);
}

.warning-box i,
.warning-box strong {
    color: #ffc107;
}

.copyright-notice {
    background: rgba(108, 117, 125, 0.1);
    border: 1px solid rgba(108, 117, 125, 0.3);
}

.copyright-notice i {
    color: #6c757d;
}

.privacy-highlight {
    background: rgba(32, 201, 151, 0.1);
    border: 1px solid rgba(32, 201, 151, 0.3);
}

.privacy-highlight i {
    color: #20c997;
}

.financial-notice {
    background: rgba(255, 193, 7, 0.1);
    border: 1px solid rgba(255, 193, 7, 0.3);
}

.financial-notice i,
.financial-notice strong {
    color: #ffc107;
}

.disclaimer-box {
    background: rgba(108, 117, 125, 0.1);
    border: 1px solid rgba(108, 117, 125, 0.3);
}

.disclaimer-box i {
    color: #6c757d;
}

/* 内部链接 */
.internal-link {
    color: #ffd700;
    text-decoration: underline;
    transition: color 0.3s ease;
}

.internal-link:hover {
    color: #fff;
}

/* 争议联系信息 */
.dispute-contact {
    background: rgba(255, 255, 255, 0.05);
    padding: 1rem;
    border-radius: 8px;
    margin-top: 1rem;
}

.dispute-contact i {
    color: #ffd700;
    margin-right: 0.5rem;
}

.dispute-contact p {
    margin: 0.25rem 0;
}

/* 联系信息 */
.contact-info {
    display: grid;
    gap: 1rem;
    margin: 1.5rem 0;
}

.contact-item {
    display: flex;
    gap: 1rem;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.contact-item i {
    color: #ffd700;
    font-size: 1.2rem;
    margin-top: 0.1rem;
    width: 20px;
}

.contact-item strong {
    color: #fff;
    display: block;
    margin-bottom: 0.25rem;
    font-size: 0.9rem;
}

.contact-item p {
    margin: 0;
    color: #b0b0b0;
    font-size: 0.85rem;
}

/* 全局联系信息链接样式 */
.global-telegram {
    color: #0088cc;
    text-decoration: none;
    transition: color 0.3s ease;
}

.global-telegram:hover {
    color: #ffd700;
    text-decoration: underline;
}

.global-email:hover,
.global-phone:hover {
    color: #ffd700;
}

.response-time {
    background: rgba(255, 215, 0, 0.1);
    border: 1px solid rgba(255, 215, 0, 0.3);
    padding: 1rem;
    border-radius: 8px;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-top: 1.5rem;
}

.response-time i {
    color: #ffd700;
}

.response-time p {
    margin: 0;
    color: #b0b0b0;
}

.response-time strong {
    color: #ffd700;
}

/* 页面底部 */
.terms-footer {
    background: #2d2d4a;
    padding: 2rem;
    margin-top: 1px;
}

.update-info h3 {
    color: #fff;
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.update-history {
    list-style: none;
    padding: 0;
    margin: 0;
}

.update-history li {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.75rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    margin-bottom: 0.5rem;
}

.update-history .date {
    color: #ffd700;
    font-weight: 500;
    min-width: 100px;
}

.update-history .version {
    background: rgba(255, 215, 0, 0.2);
    color: #ffd700;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
    min-width: 40px;
    text-align: center;
}

.update-history .changes {
    color: #b0b0b0;
    font-size: 0.9rem;
}

.agreement-confirmation {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid #333;
}

.confirmation-box {
    background: rgba(32, 201, 151, 0.1);
    border: 1px solid rgba(32, 201, 151, 0.3);
    padding: 1.5rem;
    border-radius: 8px;
    display: flex;
    align-items: center;
    gap: 1rem;
    text-align: center;
}

.confirmation-box i {
    color: #20c997;
    font-size: 1.5rem;
    min-width: 24px;
}

.confirmation-box p {
    margin: 0;
    color: #b0b0b0;
}

/* 回到顶部按钮 */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 3rem;
    height: 3rem;
    background: linear-gradient(45deg, #ffd700, #f39c12);
    color: #1a1a2e;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    transition: all 0.3s ease;
    z-index: 1000;
}

.back-to-top:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(255, 215, 0, 0.3);
}

.back-to-top.show {
    display: flex;
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .terms-layout {
        grid-template-columns: 250px 1fr;
        gap: 1.5rem;
    }
    
    .header-info {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
}

@media (max-width: 768px) {
    .terms-layout {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .terms-sidebar {
        order: 2;
    }
    
    .terms-content {
        order: 1;
    }
    
    .sidebar-sticky {
        position: static;
    }
    
    .terms-header {
        padding: 1.5rem;
    }
    
    .page-title {
        font-size: 1.5rem;
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
    
    .header-info {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
    
    .version-info {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .terms-preamble,
    .terms-sections,
    .terms-footer {
        padding: 1.5rem;
    }
    
    .contact-info {
        grid-template-columns: 1fr;
    }
    
    .prohibited-list {
        grid-template-columns: 1fr;
    }
    
    .back-to-top {
        bottom: 1rem;
        right: 1rem;
        width: 2.5rem;
        height: 2.5rem;
    }
}

@media (max-width: 480px) {
    .terms-page {
        padding: 1rem 0;
    }
    
    .page-navigation .container {
        flex-direction: column;
        gap: 0.5rem;
        text-align: center;
    }
    
    .terms-header,
    .terms-preamble,
    .terms-sections,
    .terms-footer {
        padding: 1rem;
    }
    
    .page-title {
        font-size: 1.25rem;
    }
    
    .terms-section h2 {
        font-size: 1.2rem;
    }
    
    .contact-item {
        flex-direction: column;
        gap: 0.5rem;
        text-align: center;
    }
    
    .update-history li {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
    
    .confirmation-box {
        flex-direction: column;
        text-align: center;
        gap: 0.75rem;
    }
}