/* 关于我们页面专用样式 */

/* 关于我们页面样式 */
.about-content-section {
    padding: 50px;
    max-width: 1400px;
    margin: 0 auto;
    background: #f8f9fa;
}

.about-content-section .content-container {
    display: flex;
    flex-direction: column;
    gap: 60px;
}

.section-header {
    text-align: center;
    margin-bottom: 40px;
}

.section-header h2 {
    font-size: 32px;
    color: #1e3a8a;
    margin-bottom: 10px;
    font-weight: bold;
}

.section-header p {
    font-size: 16px;
    color: #666;
    font-style: italic;
}

/* 关于我们介绍区域 */
.about-intro-section {
    background: white;
    border-radius: 15px;
    padding: 50px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.intro-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.intro-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 300px;
}

.hexagon-pattern {
    position: relative;
    width: 200px;
    height: 200px;
}

.hexagon {
    position: absolute;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #3b82f6, #1e40af);
    clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
    opacity: 0.8;
    animation: float 3s ease-in-out infinite;
}

.hex-1 { top: 20px; left: 70px; animation-delay: 0s; }
.hex-2 { top: 60px; left: 20px; animation-delay: 0.5s; }
.hex-3 { top: 60px; right: 20px; animation-delay: 1s; }
.hex-4 { bottom: 60px; left: 20px; animation-delay: 1.5s; }
.hex-5 { bottom: 60px; right: 20px; animation-delay: 2s; }
.hex-6 { bottom: 20px; left: 70px; animation-delay: 2.5s; }

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

.intro-text h3 {
    font-size: 24px;
    color: #1e3a8a;
    margin-bottom: 20px;
    font-weight: bold;
}

.intro-text p {
    font-size: 16px;
    line-height: 1.8;
    color: #555;
    margin-bottom: 20px;
}

.view-more-btn {
    background: linear-gradient(135deg, #3b82f6, #1e40af);
    color: white;
    border: none;
    padding: 12px 30px;
    border-radius: 25px;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 20px;
}

.view-more-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(59, 130, 246, 0.4);
}

/* 标准大数据区域 */
.data-overview-section {
    background: white;
    border-radius: 15px;
    padding: 50px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.data-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.data-card {
    background: linear-gradient(135deg, #f8fafc, #e2e8f0);
    border-radius: 15px;
    padding: 30px;
    text-align: center;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.data-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.1);
    border-color: #3b82f6;
}

.card-visual {
    height: 120px;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 25px;
}

/* 3D立方体 */
.cube-3d {
    position: relative;
    width: 80px;
    height: 80px;
    transform-style: preserve-3d;
    animation: rotate 4s linear infinite;
}

.cube-face {
    position: absolute;
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #3b82f6, #1e40af);
    opacity: 0.8;
    border: 2px solid rgba(255,255,255,0.3);
}

.cube-face.front { transform: rotateY(0deg) translateZ(40px); }
.cube-face.back { transform: rotateY(180deg) translateZ(40px); }
.cube-face.right { transform: rotateY(90deg) translateZ(40px); }
.cube-face.left { transform: rotateY(-90deg) translateZ(40px); }
.cube-face.top { transform: rotateX(90deg) translateZ(40px); }
.cube-face.bottom { transform: rotateX(-90deg) translateZ(40px); }

/* 3D丝带 */
.ribbon-3d {
    position: relative;
    width: 80px;
    height: 80px;
    transform-style: preserve-3d;
    animation: wave 3s ease-in-out infinite;
}

.ribbon-segment {
    position: absolute;
    width: 20px;
    height: 60px;
    background: linear-gradient(135deg, #3b82f6, #1e40af);
    border-radius: 10px;
    opacity: 0.8;
}

.seg-1 { left: 0; transform: rotateY(0deg); }
.seg-2 { left: 20px; transform: rotateY(15deg); }
.seg-3 { left: 40px; transform: rotateY(30deg); }
.seg-4 { left: 60px; transform: rotateY(45deg); }

/* 3D金字塔 */
.pyramid-3d {
    position: relative;
    width: 80px;
    height: 80px;
    transform-style: preserve-3d;
    animation: pulse 2s ease-in-out infinite;
}

.pyramid-layer {
    position: absolute;
    background: linear-gradient(135deg, #3b82f6, #1e40af);
    opacity: 0.8;
    border-radius: 50%;
}

.layer-1 { width: 60px; height: 60px; bottom: 0; left: 10px; }
.layer-2 { width: 40px; height: 40px; bottom: 20px; left: 20px; }
.layer-3 { width: 20px; height: 20px; bottom: 40px; left: 30px; }

.pyramid-sphere {
    position: absolute;
    width: 15px;
    height: 15px;
    background: #3b82f6;
    border-radius: 50%;
    top: 10px;
    left: 32.5px;
    box-shadow: 0 0 10px rgba(59, 130, 246, 0.6);
}

@keyframes rotate {
    0% { transform: rotateX(0deg) rotateY(0deg); }
    100% { transform: rotateX(360deg) rotateY(360deg); }
}

@keyframes wave {
    0%, 100% { transform: rotateX(0deg); }
    50% { transform: rotateX(10deg); }
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

.card-content h3 {
    font-size: 20px;
    color: #1e3a8a;
    margin-bottom: 20px;
    font-weight: bold;
}

.data-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0;
    border-bottom: 1px solid rgba(59, 130, 246, 0.1);
}

.data-item:last-child {
    border-bottom: none;
}

.data-item.total {
    background: linear-gradient(135deg, #3b82f6, #1e40af);
    color: white;
    padding: 12px 15px;
    border-radius: 8px;
    margin-top: 10px;
    border-bottom: none;
}

.data-label {
    font-size: 14px;
    color: #666;
}

.data-item.total .data-label {
    color: white;
    font-weight: bold;
}

.data-value {
    font-size: 16px;
    font-weight: bold;
    color: #1e3a8a;
}

.data-item.total .data-value {
    color: white;
    font-size: 18px;
}

/* 关于我们页面响应式设计 */
@media (max-width: 1000px) {
    .data-cards {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .intro-content {
        grid-template-columns: 1fr;
        gap: 30px;
        text-align: center;
    }
}

@media (max-width: 768px) {
    .about-content-section {
        padding: 30px 20px;
    }
    
    .about-intro-section,
    .data-overview-section {
        padding: 30px 20px;
    }
    
    .section-header h2 {
        font-size: 24px;
    }
    
    .intro-text h3 {
        font-size: 20px;
    }
    
    .data-cards {
        grid-template-columns: 1fr;
    }
    
    .hexagon-pattern {
        width: 150px;
        height: 150px;
    }
    
    .hexagon {
        width: 45px;
        height: 45px;
    }
}

@media (max-width: 480px) {
    .about-content-section {
        padding: 20px 15px;
    }
    
    .about-intro-section,
    .data-overview-section {
        padding: 20px 15px;
    }
    
    .section-header h2 {
        font-size: 20px;
    }
    
    .intro-text h3 {
        font-size: 18px;
    }
    
    .intro-text p {
        font-size: 14px;
    }
    
    .data-card {
        padding: 20px 15px;
    }
}

/* 平台介绍内容样式 */
.platform-intro-section {
    background: white;
    border-radius: 15px;
    padding: 50px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.platform-content {
    max-width: 100%;
}

.platform-text {
    line-height: 1.8;
    color: #555;
}

.platform-text p {
    margin-bottom: 20px;
    font-size: 16px;
}

.platform-text h3 {
    font-size: 22px;
    color: #1e3a8a;
    margin: 30px 0 15px 0;
    font-weight: bold;
    border-left: 4px solid #3b82f6;
    padding-left: 15px;
}

.platform-text h4 {
    font-size: 18px;
    color: #1e3a8a;
    margin: 25px 0 10px 0;
    font-weight: bold;
}

.platform-text ul {
    margin: 15px 0;
    padding-left: 20px;
}

.platform-text li {
    margin-bottom: 8px;
    font-size: 16px;
    color: #555;
}

.platform-text li::marker {
    color: #3b82f6;
}

/* 平台介绍响应式设计 */
@media (max-width: 768px) {
    .platform-intro-section {
        padding: 30px 20px;
    }
    
    .platform-text h3 {
        font-size: 20px;
    }
    
    .platform-text h4 {
        font-size: 16px;
    }
    
    .platform-text p,
    .platform-text li {
        font-size: 14px;
    }
}

@media (max-width: 480px) {
    .platform-intro-section {
        padding: 20px 15px;
    }
    
    .platform-text h3 {
        font-size: 18px;
    }
    
    .platform-text h4 {
        font-size: 15px;
    }
    
    .platform-text p,
    .platform-text li {
        font-size: 13px;
    }
}

/* 标委会领导样式 */
.committee-leaders-section {
    background: white;
    border-radius: 15px;
    padding: 50px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.leaders-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.leader-card {
    background: linear-gradient(135deg, #f8fafc, #e2e8f0);
    border-radius: 15px;
    padding: 30px;
    text-align: center;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.leader-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.1);
    border-color: #3b82f6;
}

.leader-avatar {
    margin-bottom: 20px;
}

.leader-avatar i {
    font-size: 80px;
    color: #3b82f6;
}

.leader-info h3 {
    font-size: 16px;
    color: #666;
    margin-bottom: 5px;
    font-weight: normal;
}

.leader-info h4 {
    font-size: 24px;
    color: #1e3a8a;
    margin-bottom: 15px;
    font-weight: bold;
}

.leader-info p {
    font-size: 14px;
    color: #555;
    line-height: 1.6;
}

/* 标委会介绍样式 */
.committee-intro-section {
    background: white;
    border-radius: 15px;
    padding: 50px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.committee-content {
    max-width: 100%;
}

.committee-text {
    line-height: 1.8;
    color: #555;
}

.committee-text p {
    margin-bottom: 20px;
    font-size: 16px;
}

.committee-text h3 {
    font-size: 22px;
    color: #1e3a8a;
    margin: 30px 0 15px 0;
    font-weight: bold;
    border-left: 4px solid #3b82f6;
    padding-left: 15px;
}

.committee-text ul {
    margin: 15px 0;
    padding-left: 20px;
}

.committee-text li {
    margin-bottom: 8px;
    font-size: 16px;
    color: #555;
}

.committee-text li::marker {
    color: #3b82f6;
}

/* 管理制度汇编样式 */
.management-systems-section {
    background: white;
    border-radius: 15px;
    padding: 50px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.systems-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.system-item {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 25px;
    background: linear-gradient(135deg, #f8fafc, #e2e8f0);
    border-radius: 12px;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.system-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
    border-color: #3b82f6;
}

.system-icon {
    flex-shrink: 0;
}

.system-icon i {
    font-size: 40px;
    color: #3b82f6;
}

.system-info {
    flex: 1;
}

.system-info h3 {
    font-size: 20px;
    color: #1e3a8a;
    margin-bottom: 10px;
    font-weight: bold;
}

.system-info p {
    font-size: 14px;
    color: #555;
    line-height: 1.6;
    margin-bottom: 15px;
}

.download-link {
    display: inline-block;
    background: linear-gradient(135deg, #3b82f6, #1e40af);
    color: white;
    padding: 8px 20px;
    border-radius: 20px;
    text-decoration: none;
    font-size: 14px;
    transition: all 0.3s ease;
}

.download-link:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(59, 130, 246, 0.4);
}

/* 联系我们样式 */
.contact-us-section {
    background: white;
    border-radius: 15px;
    padding: 50px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.contact-info h3,
.contact-address h3 {
    font-size: 22px;
    color: #1e3a8a;
    margin-bottom: 25px;
    font-weight: bold;
    border-left: 4px solid #3b82f6;
    padding-left: 15px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
    padding: 15px;
    background: linear-gradient(135deg, #f8fafc, #e2e8f0);
    border-radius: 10px;
}

.contact-item i {
    font-size: 24px;
    color: #3b82f6;
    width: 30px;
    text-align: center;
}

.contact-item strong {
    display: block;
    font-size: 16px;
    color: #1e3a8a;
    margin-bottom: 5px;
}

.contact-item p {
    font-size: 14px;
    color: #555;
    margin: 0;
}

.address-item {
    margin-bottom: 20px;
    padding: 15px;
    background: linear-gradient(135deg, #f8fafc, #e2e8f0);
    border-radius: 10px;
}

.address-item h4 {
    font-size: 18px;
    color: #1e3a8a;
    margin-bottom: 8px;
    font-weight: bold;
}

.address-item p {
    font-size: 14px;
    color: #555;
    margin: 0;
    line-height: 1.5;
}

.contact-form {
    background: linear-gradient(135deg, #f8fafc, #e2e8f0);
    border-radius: 15px;
    padding: 30px;
}

.contact-form h3 {
    font-size: 22px;
    color: #1e3a8a;
    margin-bottom: 25px;
    font-weight: bold;
    border-left: 4px solid #3b82f6;
    padding-left: 15px;
}

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    font-size: 14px;
    transition: border-color 0.3s ease;
    background: white;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #3b82f6;
}

.submit-btn {
    background: linear-gradient(135deg, #3b82f6, #1e40af);
    color: white;
    border: none;
    padding: 12px 30px;
    border-radius: 25px;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(59, 130, 246, 0.4);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .leaders-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .system-item {
        flex-direction: column;
        text-align: center;
    }
    
    .committee-leaders-section,
    .committee-intro-section,
    .management-systems-section,
    .contact-us-section {
        padding: 30px 20px;
    }
}

@media (max-width: 480px) {
    .leader-card {
        padding: 20px 15px;
    }
    
    .system-item {
        padding: 20px 15px;
    }
    
    .contact-form {
        padding: 20px 15px;
    }
    
    .committee-leaders-section,
    .committee-intro-section,
    .management-systems-section,
    .contact-us-section {
        padding: 20px 15px;
    }
}

/* 内容切换区域样式 */
.content-switching-area {
    min-height: 80vh;
    background: #f8f9fa;
}

.content-layout {
    display: flex;
    max-width: 1200px;
    margin: 0 auto;
    min-height: 80vh;
}

/* 左侧导航菜单 */
.left-sidebar {
    width: 250px;
    background: #1e3a8a;
    padding: 0;
    flex-shrink: 0;
}

.sidebar-menu {
    padding: 20px 0;
}

.menu-item {
    padding: 15px 20px;
    color: white;
    cursor: pointer;
    transition: all 0.3s ease;
    border-left: 4px solid transparent;
    position: relative;
}

.menu-item:hover {
    background: rgba(255, 255, 255, 0.1);
    border-left-color: #3b82f6;
}

.menu-item.active {
    background: rgba(255, 255, 255, 0.15);
    border-left-color: #60a5fa;
    font-weight: 600;
}

.menu-item.active::before {
    content: '';
    position: absolute;
    right: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: #60a5fa;
}

.menu-item span {
    font-size: 14px;
    line-height: 1.4;
}

/* 右侧内容区域 */
.right-content {
    flex: 1;
    background: white;
    padding: 40px;
    overflow-y: auto;
}

.content-section {
    display: none;
}

.content-section:first-child {
    display: block;
}

.content-header {
    margin-bottom: 30px;
    padding-bottom: 15px;
    border-bottom: 2px solid #e5e7eb;
}

.content-header h2 {
    color: #1e3a8a;
    font-size: 24px;
    font-weight: 600;
    margin: 0;
}

.content-body {
    line-height: 1.8;
    color: #374151;
}

.content-body h3 {
    color: #1e3a8a;
    font-size: 18px;
    font-weight: 600;
    margin: 25px 0 15px 0;
    padding-left: 10px;
    border-left: 4px solid #3b82f6;
}

.content-body p {
    margin-bottom: 15px;
    text-align: justify;
}

.content-body ul {
    margin: 15px 0;
    padding-left: 20px;
}

.content-body li {
    margin-bottom: 8px;
    position: relative;
}

.content-body li::marker {
    color: #3b82f6;
}

/* 标委会领导列表样式 */
.leaders-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.leader-item {
    background: #f8f9fa;
    padding: 20px;
    border-radius: 8px;
    border-left: 4px solid #3b82f6;
    transition: all 0.3s ease;
}

.leader-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.15);
}

.leader-info h3 {
    color: #1e3a8a;
    font-size: 16px;
    margin: 0 0 10px 0;
    border: none;
    padding: 0;
}

.leader-info p {
    color: #6b7280;
    font-size: 14px;
    margin: 0;
}

/* 管理制度文档列表样式 */
.documents-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.document-item {
    background: white;
    padding: 20px;
    border-radius: 8px;
    border: 1px solid #e5e7eb;
    transition: all 0.3s ease;
}

.document-item:hover {
    border-color: #3b82f6;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.1);
    transform: translateY(-2px);
}

.document-item h3 {
    color: #1e3a8a;
    font-size: 16px;
    margin: 0 0 10px 0;
    border: none;
    padding: 0;
}

.document-item p {
    color: #6b7280;
    font-size: 14px;
    margin: 0;
    line-height: 1.6;
}

/* 联系我们信息样式 */
.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 20px;
}

.contact-item {
    background: #f8f9fa;
    padding: 25px;
    border-radius: 8px;
    border-left: 4px solid #3b82f6;
}

.contact-item h3 {
    color: #1e3a8a;
    font-size: 18px;
    margin: 0 0 15px 0;
    border: none;
    padding: 0;
}

.contact-item p {
    color: #374151;
    margin: 8px 0;
    font-size: 14px;
}

.contact-item strong {
    color: #1e3a8a;
    font-weight: 600;
}

/* 内容切换区域响应式设计 */
@media (max-width: 768px) {
    .content-layout {
        flex-direction: column;
    }
    
    .left-sidebar {
        width: 100%;
        order: 2;
    }
    
    .sidebar-menu {
        display: flex;
        overflow-x: auto;
        padding: 10px 0;
    }
    
    .menu-item {
        white-space: nowrap;
        min-width: 120px;
        text-align: center;
        border-left: none;
        border-bottom: 4px solid transparent;
    }
    
    .menu-item.active {
        border-left: none;
        border-bottom-color: #60a5fa;
    }
    
    .menu-item.active::before {
        display: none;
    }
    
    .right-content {
        order: 1;
        padding: 20px;
    }
    
    .content-header h2 {
        font-size: 20px;
    }
    
    .leaders-list,
    .documents-list,
    .contact-info {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .right-content {
        padding: 15px;
    }
    
    .content-header h2 {
        font-size: 18px;
    }
    
    .content-body h3 {
        font-size: 16px;
    }
    
    .leader-item,
    .document-item,
    .contact-item {
        padding: 15px;
    }
}