/* ==================== 全新现代化关于我们页面样式 ==================== */

/* CSS变量定义 - 现代渐变配色 */
:root {
    --primary-gradient: linear-gradient(135deg, #2976c2 0%, #1B4671 100%);
    --secondary-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --accent-gradient: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --success-gradient: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
    --warning-gradient: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
    --dark-gradient: linear-gradient(135deg, #2d3748 0%, #1a202c 100%);
    --text-primary: #1a202c;
    --text-secondary: #4a5568;
    --text-light: #718096;
    --text-white: #ffffff;
    --bg-primary: #ffffff;
    --bg-secondary: #f7fafc;
    --bg-accent: #edf2f7;
    --border-color: #e2e8f0;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.16);
    --shadow-xl: 0 12px 48px rgba(0, 0, 0, 0.2);
    --radius-sm: 12px;
    --radius-md: 20px;
    --radius-lg: 30px;
    --transition-fast: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 全局重置 */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

/* 页面主体样式 */
.modern-aboutus {
    min-height: 100vh;
    background: linear-gradient(135deg, #2976c2 0%, #1B4671 100%);
    background-attachment: fixed;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    position: relative;
    overflow-x: hidden;
}

/* 页面头部样式 */
.header {
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-md);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    position: sticky;
    top: 0;
    z-index: 100;
}

.inner {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 30px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 90px;
}

.inner .logo {
    display: flex;
    align-items: center;
    transition: var(--transition-base);
}

.inner .logo:hover {
    transform: scale(1.05);
}

.inner .logo img {
    height: 70px;
    width: auto;
    filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.1));
}

.inner .nav {
    display: flex;
    gap: 20px;
    align-items: center;
}

.inner .nav a {
    display: flex;
    align-items: center;
    padding: 14px 28px;
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 600;
    font-size: 16px;
    transition: var(--transition-base);
    border-radius: 30px;
    position: relative;
    overflow: hidden;
    background: transparent;
    border: 2px solid transparent;
}

.inner .nav a::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(79, 172, 254, 0.1) 0%, rgba(0, 242, 254, 0.1) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: -1;
}

.inner .nav a:hover {
    color: #0ea5e9;
    border-color: rgba(79, 172, 254, 0.3);
    transform: translateY(-2px);
}

.inner .nav a:hover::before {
    opacity: 1;
}

.inner .nav a.current {
    color: var(--text-white);
    background: linear-gradient(135deg, #0ea5e9 0%, #06b6d4 100%);
    box-shadow: 0 6px 24px rgba(14, 165, 233, 0.4);
    border-color: transparent;
}

/* 主容器样式 */
.aboutus-container {
    min-height: calc(100vh - 200px);
    position: relative;
    z-index: 1;
    padding: 40px 0;
}

.container {
    /*max-width: 1400px;*/
    margin: 0 auto;
    padding: 0 30px;
}

/* 全新侧边导航样式 - 垂直卡片设计 */
.top-nav {
    position: fixed;
       left: 70px;
    top: 40%;
    transform: translateY(-50%);
    width: 280px;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(30px);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    z-index: 50;
    border: 1px solid rgba(255, 255, 255, 0.5);
}

.nav-wrapper {
    display: flex;
    flex-direction: column;
}

.nav-header {
    background: var(--primary-gradient);
    color: var(--text-white);
    padding: 30px 25px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.nav-header::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.15) 0%, transparent 70%);
    animation: rotate 15s linear infinite;
}

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

.nav-header h3 {
    margin: 0;
    font-size: 22px;
    font-weight: 700;
    position: relative;
    z-index: 1;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    letter-spacing: 1px;
}

.nav-list {
    list-style: none;
    margin: 0;
    padding: 20px 15px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.nav-item {
    position: relative;
}

.nav-link {
    display: flex;
    align-items: center;
    padding: 16px 20px;
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 600;
    font-size: 15px;
    border-radius: var(--radius-sm);
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
    background: var(--bg-secondary);
    border: 2px solid transparent;
}

.nav-link::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 4px;
    height: 100%;
    background: var(--primary-gradient);
    transform: scaleY(0);
    transition: transform 0.3s ease;
}

.nav-link:hover {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
    transform: translateX(8px);
    border-color: rgba(102, 126, 234, 0.3);
}

.nav-link:hover::before {
    transform: scaleY(1);
}

.nav-link.active {
    background: var(--primary-gradient);
    color: var(--text-white);
    transform: translateX(8px);
    box-shadow: 0 4px 16px rgba(102, 126, 234, 0.4);
    border-color: transparent;
}

.nav-link.active::before {
    display: none;
}

.nav-icon {
    width: 10px;
    height: 10px;
    background: currentColor;
    border-radius: 50%;
    margin-right: 12px;
    transition: var(--transition-base);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.2);
}

.nav-link:hover .nav-icon {
    transform: scale(1.5);
    box-shadow: 0 0 0 5px rgba(102, 126, 234, 0.3);
}

.nav-link.active .nav-icon {
    background: var(--text-white);
    box-shadow: 0 0 0 5px rgba(255, 255, 255, 0.3);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.3); }
}

.home-icon {
    background: var(--warning-gradient) !important;
    box-shadow: 0 0 0 3px rgba(250, 112, 154, 0.2) !important;
}

.nav-link.home-link {
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    border: 2px solid #fbbf24;
    margin-top: 10px;
}

.nav-link.home-link:hover {
    background: linear-gradient(135deg, #fde68a 0%, #fcd34d 100%);
    transform: translateX(8px) scale(1.02);
}

/* 内容区域样式 - 右侧主内容 */
.content-area {
    margin-left: 360px;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(30px);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    position: relative;
    border: 1px solid rgba(255, 255, 255, 0.5);
    min-height: 600px;
}

.content-area::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 6px;
    background: var(--primary-gradient);
}

.content-area::after {
    content: '';
    position: absolute;
    top: 6px;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, 
        transparent 0%, 
        rgba(102, 126, 234, 0.3) 50%, 
        transparent 100%);
}

.content-wrapper {
    padding: 60px;
    position: relative;
}

.content-inner {
    line-height: 2;
    font-size: 16px;
    color: var(--text-primary);
    position: relative;
    
    text-align: left;
}

/* 内容样式优化 */
.content-inner h1,
.content-inner h2,
.content-inner h3,
.content-inner h4,
.content-inner h5,
.content-inner h6 {
    color: var(--text-primary);
    margin-top: 0;
    margin-bottom: 25px;
    font-weight: 700;
    line-height: 1.4;
    position: relative;
}

.content-inner h1 {
    font-size: 42px;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 40px;
    padding-bottom: 20px;
    border-bottom: 3px solid;
    border-image: var(--primary-gradient) 1;
    letter-spacing: 1px;
}

.content-inner h1::after {
    content: '';
    position: absolute;
    bottom: -3px;
    left: 0;
    width: 100px;
    height: 3px;
    background: var(--secondary-gradient);
    border-radius: 2px;
}

.content-inner h2 {
    font-size: 32px;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-top: 50px;
    margin-bottom: 25px;
    padding-left: 25px;
    position: relative;
}

.content-inner h2::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 6px;
    height: 35px;
    background: var(--primary-gradient);
    border-radius: 3px;
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
}

.content-inner h3 {
    font-size: 24px;
    color: var(--text-primary);
    margin-top: 35px;
    padding-left: 20px;
    border-left: 4px solid;
    border-image: var(--accent-gradient) 1;
}

.content-inner h4 {
    font-size: 20px;
    color: var(--text-secondary);
    margin-top: 25px;
}

.content-inner p {
    margin-bottom: 20px;
    text-align: justify;
    line-height: 2;
}

.content-inner strong {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
}

.content-inner a {
    color: #667eea;
    text-decoration: none;
    transition: var(--transition-base);
    position: relative;
    font-weight: 600;
    padding: 0 4px;
}

.content-inner a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-gradient);
    transition: width 0.3s ease;
}

.content-inner a:hover {
    color: #764ba2;
}

.content-inner a:hover::after {
    width: 100%;
}

.content-inner ul,
.content-inner ol {
    margin: 20px 0;
    padding-left: 30px;
}

.content-inner li {
    margin-bottom: 12px;
    line-height: 1.8;
}

.content-inner blockquote {
    margin: 30px 0;
    padding: 25px 30px;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.05) 0%, rgba(118, 75, 162, 0.05) 100%);
    border-left: 5px solid;
    border-image: var(--primary-gradient) 1;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    font-style: italic;
    color: var(--text-secondary);
}

.content-inner img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    margin: 30px 0;
    transition: var(--transition-base);
}

.content-inner img:hover {
    transform: scale(1.02);
    box-shadow: var(--shadow-lg);
}

.content-inner table {
    width: 100%;
    border-collapse: collapse;
    margin: 30px 0;
    background: var(--bg-primary);
    border-radius: var(--radius-sm);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.content-inner th,
.content-inner td {
    padding: 15px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.content-inner th {
    background: var(--primary-gradient);
    color: var(--text-white);
    font-weight: 700;
}

.content-inner tr:hover {
    background: var(--bg-secondary);
}

/* 页脚样式 */
.footer {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    padding: 40px 0;
    text-align: center;
    color: var(--text-secondary);
    /*max-width: 1400px;*/
    margin: 40px auto 0;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    box-shadow: var(--shadow-md);
    position: relative;
}

/*.footer::before {*/
/*    content: '';*/
/*    position: absolute;*/
/*    top: 0;*/
/*    left: 0;*/
/*    right: 0;*/
/*    height: 3px;*/
/*    background: var(--primary-gradient);*/
/*}*/

.footer a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition-base);
    font-weight: 500;
    margin: 0 10px;
}

.footer a:hover {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    transform: translateY(-2px);
}

/* 响应式设计 */
@media (max-width: 1400px) {
    .top-nav {
        left: 20px;
        width: 260px;
    }
    
    .content-area {
        margin-left: 320px;
    }
}

@media (max-width: 1200px) {
    .top-nav {
        position: static;
        transform: none;
        width: 100%;
        margin-bottom: 30px;
    }
    
    .content-area {
        margin-left: 0;
    }
    
    .nav-list {
        flex-direction: row;
        flex-wrap: wrap;
        padding: 20px;
    }
    
    .nav-item {
        flex: 1;
        min-width: 150px;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 20px;
    }
    
    .aboutus-container {
        padding: 20px 0;
    }
    
    .inner {
        flex-direction: column;
        height: auto;
        padding: 20px;
        gap: 20px;
    }
    
    .inner .nav {
        flex-wrap: wrap;
        justify-content: center;
        gap: 10px;
    }
    
    .inner .nav a {
        padding: 10px 20px;
        font-size: 14px;
    }
    
    .nav-list {
        flex-direction: column;
        padding: 15px;
    }
    
    .nav-item {
        width: 100%;
    }
    
    .nav-link {
        padding: 14px 18px;
    }
    
    .content-wrapper {
        padding: 30px 25px;
    }
    
    .content-inner h1 {
        font-size: 28px;
    }
    
    .content-inner h2 {
        font-size: 24px;
    }
    
    .content-inner h3 {
        font-size: 20px;
    }
    
    .content-inner {
        font-size: 15px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .aboutus-container {
        padding: 15px 0;
    }
    
    .inner {
        padding: 15px;
    }
    
    .inner .logo img {
        height: 50px;
    }
    
    .nav-header {
        padding: 20px 15px;
    }
    
    .nav-header h3 {
        font-size: 18px;
    }
    
    .nav-list {
        padding: 10px;
    }
    
    .nav-link {
        padding: 12px 15px;
        font-size: 14px;
    }
    
    .content-wrapper {
        padding: 25px 20px;
    }
    
    .content-inner h1 {
        font-size: 24px;
    }
    
    .content-inner h2 {
        font-size: 20px;
    }
    
    .content-inner h3 {
        font-size: 18px;
    }
    
    .content-inner {
        font-size: 14px;
        line-height: 1.8;
    }
}

/* 动画效果 - 移除左侧导航动画 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.content-area {
    animation: fadeInUp 0.6s ease-out;
}

/* 滚动条样式 */
.content-inner::-webkit-scrollbar {
    width: 8px;
}

.content-inner::-webkit-scrollbar-track {
    background: var(--bg-secondary);
    border-radius: 4px;
}

.content-inner::-webkit-scrollbar-thumb {
    background: var(--primary-gradient);
    border-radius: 4px;
}

.content-inner::-webkit-scrollbar-thumb:hover {
    background: var(--secondary-gradient);
}

/* 选择文本样式 */
.content-inner::selection {
    background: rgba(102, 126, 234, 0.3);
    color: var(--text-primary);
}

.content-inner::-moz-selection {
    background: rgba(102, 126, 234, 0.3);
    color: var(--text-primary);
}

/* 焦点样式 */
.nav-link:focus {
    outline: 3px solid rgba(102, 126, 234, 0.5);
    outline-offset: 3px;
}

/* 悬停增强效果 */
.content-area:hover {
    box-shadow: var(--shadow-xl), 0 0 0 1px rgba(102, 126, 234, 0.1);
}

.top-nav:hover {
    box-shadow: var(--shadow-xl), 0 0 0 1px rgba(102, 126, 234, 0.1);
}

/* ==================== 网站公告页样式 ==================== */
.announce-list .announce-item {
    margin-bottom: 40px;
    padding-bottom: 30px;
    border-bottom: 1px solid var(--border-color);
}
.announce-list .announce-item:last-child {
    border-bottom: none;
    margin-bottom: 0;
}
.announce-title {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
}
.announce-title-text {
    font-size: 22px;
    font-weight: 700;
    color: var(--text-primary);
    flex: 1;
    min-width: 200px;
}
.announce-time {
    font-size: 14px;
    color: var(--text-light);
}
.announcecontent {
    line-height: 2;
    color: var(--text-secondary);
}

/* ==================== 帮助中心页样式 ==================== */
.faq-list {
    margin-bottom: 40px;
}
.faq-type {
    margin-bottom: 25px;
}
.faq-type dt {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 10px;
}
.faq-type-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    background: var(--primary-gradient);
    color: var(--text-white);
    border-radius: 50%;
    font-size: 14px;
}
.faq-type dd {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}
.faq-link {
    padding: 6px 16px;
    background: var(--bg-secondary);
    border-radius: 20px;
    color: var(--text-primary);
    text-decoration: none;
    font-size: 14px;
    transition: var(--transition-base);
}
.faq-link:hover,
.faq-link.current {
    background: var(--primary-gradient);
    color: var(--text-white);
}
.faqcontent h1 {
    margin-bottom: 25px;
}
.faq-detail {
    padding: 25px 0;
    line-height: 2;
}

/* ==================== 友情链接页样式 ==================== */
.link-section {
    margin-bottom: 35px;
}
.link-tit {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 2px solid;
    border-image: var(--primary-gradient) 1;
}
.link-imgcont {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 15px;
}
.link-imgcont img {
    max-height: 50px;
    width: auto;
    border-radius: 8px;
    transition: var(--transition-base);
}
.link-imgcont img:hover {
    transform: scale(1.05);
}
.link-cont {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}
.link-cont a {
    padding: 4px 12px;
    background: var(--bg-secondary);
    border-radius: 6px;
    color: var(--text-primary);
    text-decoration: none;
    font-size: 14px;
}
.link-cont a:hover {
    background: var(--primary-gradient);
    color: var(--text-white);
}
.link-contt {
    line-height: 2;
    color: var(--text-secondary);
}
.link_table td {
    padding: 12px 15px;
    vertical-align: top;
}
.link_table td:first-child {
    width: 100px;
    color: var(--text-secondary);
}
.form-input {
    width: 100%;
    max-width: 350px;
    padding: 10px 15px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
}
.form-textarea {
    width: 100%;
    max-width: 400px;
    min-height: 100px;
    padding: 10px 15px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
}
.form-code {
    width: 70px;
    padding: 8px 12px;
    margin-right: 10px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
}
.authcode {
    cursor: pointer;
    vertical-align: middle;
}
.submit-btn {
    padding: 12px 30px;
    background: var(--primary-gradient);
    color: var(--text-white);
    border: none;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-base);
}
.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(41, 118, 194, 0.4);
}

/* ==================== 网站地图页样式 ==================== */
.sitemap-cat {
    margin-bottom: 30px;
}
.sitemap-h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 15px;
}
.sitemap-h3 a {
    color: var(--text-primary);
    text-decoration: none;
}
.sitemap-h3 a:hover {
    color: #0ea5e9;
}
.sitemap-list {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    padding-left: 0;
    list-style: none;
}
.sitemap-list li {
    margin: 0;
}
.sitemap-list a {
    padding: 6px 14px;
    background: var(--bg-secondary);
    border-radius: 6px;
    color: var(--text-primary);
    text-decoration: none;
    font-size: 14px;
}
.sitemap-list a:hover {
    background: var(--primary-gradient);
    color: var(--text-white);
}

/* 兼容旧样式类名 */
.cinner,
.clear,
.clear15 {
    display: none;
}

/* 保持向后兼容 */
.full .aboutus-container .container {
    max-width: 1600px;
}

/* 打印样式 */
@media print {
    .top-nav,
    .header,
    .footer {
        display: none;
    }
    
    .content-area {
        margin-left: 0;
        box-shadow: none;
        border: none;
    }
    
    .modern-aboutus::before {
        display: none;
    }
}