/* 计小智服务队官网样式 - 从index.html提取 */

* { 
    margin: 0; 
    padding: 0; 
    box-sizing: border-box; 
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif; 
}

:root {
    --primary-color: #0071e3;
    --secondary-color: #30b3ff;
    --accent-color: #af52de;
    --text-color: #1d1d1f;
    --light-bg: #f5f5f7;
    --white: #ffffff;
    --dark-bg: #000000;
    --glass-bg: rgba(255, 255, 255, 0.75);
    --glass-border: rgba(255, 255, 255, 0.3);
    --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    --glass-border-dark: rgba(0, 0, 0, 0.1);
    --gradient-1: linear-gradient(135deg, #0071e3, #30b3ff);
    --gradient-2: linear-gradient(135deg, #30b3ff, #80d0ff);
    --gradient-3: linear-gradient(135deg, #af52de, #e0a0ff);
    --gradient-4: linear-gradient(135deg, #0071e3, #af52de);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --rounded-sm: 6px;
    --rounded-md: 12px;
    --rounded-lg: 18px;
    --rounded-xl: 24px;
    --rounded-full: 9999px;
    --font-light: 300;
    --font-normal: 400;
    --font-medium: 500;
    --font-semibold: 600;
    --font-bold: 700;
}

body {
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    color: var(--text-color);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

/* 主内容区淡蓝色背景，轮播图不变 */
.main-bg {
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    width: 100%;
    min-height: 100vh;
    margin: 0;
    padding: 0;
    position: relative;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    width: 100%;
}

/* 团队介绍框样式 */
.overlay-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 9999;
}

.team-info-box {
    width: 180px;
    background: var(--glass-bg);
    border-radius: 16px;
    box-shadow: var(--glass-shadow);
    overflow: hidden;
    position: absolute;
    left: -180px;
    top: 220px;
    pointer-events: auto;
    transition: var(--transition);
    max-height: calc(100vh - 240px);
    display: flex;
    flex-direction: column;
    border: 1px solid var(--glass-border);
    opacity: 0;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.team-info-box.show {
    left: 20px;
    opacity: 1;
}

.team-image {
    width: 100%;
    height: 100px;
    overflow: hidden;
    flex-shrink: 0;
    position: relative;
}

.team-image::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 30px;
    background: linear-gradient(to top, rgba(230, 243, 255, 0.9), transparent);
    pointer-events: none;
}

.team-photo {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.team-photo:hover {
    transform: scale(1.1);
}

.team-description {
    padding: 16px;
    overflow-y: auto;
    flex-grow: 1;
    background: rgba(255, 255, 255, 0.7);
    border-top: 1px solid var(--glass-border);
}

.team-description p {
    font-size: 12px;
    line-height: 1.6;
    color: var(--text-color);
    margin: 0;
    text-align: justify;
    padding: 6px;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 8px;
    box-shadow: inset 1px 1px 3px rgba(0, 0, 0, 0.05);
}

@media (max-width: 992px) {
    .team-info-box {
        display: none;
    }
}

/* ======= 苹果风格导航栏样式（液态毛玻璃版） ======= */
.nav {
    width: 1200px !important;
    max-width: 1200px !important;
    min-width: 320px;
    margin: 24px auto 0 auto !important;
    left: 0 !important;
    right: 0 !important;
    transform: none !important;
    border-radius: var(--rounded-xl);
    box-shadow: var(--glass-shadow);
    background: var(--glass-bg) !important;
    border: 1px solid var(--glass-border);
    padding: 0;
    height: 72px !important;
    z-index: 100;
    position: relative;
    transition: var(--transition);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

.nav.scrolled {
    background: rgba(255, 255, 255, 0.95) !important;
    box-shadow: 0 4px 24px 0 rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.nav-container {
    max-width: 1200px !important;
    width: 100%;
    margin: 0 auto;
    height: 72px !important;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    padding: 0 32px;
    box-sizing: border-box;
}

.nav-logo {
    position: relative;
    z-index: 2;
    background: transparent;
    margin-left: 16px !important;
    margin-right: 24px !important;
    padding: 0 !important;
    border-radius: var(--rounded-full);
    box-shadow: none;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 72px;
    width: 60px;
}

.nav-logo img {
    position: relative;
    z-index: 2;
    background: #fff;
    border-radius: var(--rounded-full);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    height: 52px;
    width: 52px;
    margin: 0 auto;
    display: block;
    transition: var(--transition);
}

.nav ul {
    display: flex !important;
    flex-direction: row !important;
    align-items: center !important;
    justify-content: flex-start !important;
    gap: 24px !important;
    height: 72px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav ul li {
    display: flex !important;
    align-items: center !important;
}

.nav a {
    color: var(--text-color);
    font-size: 1em !important;
    letter-spacing: 0.01em;
    padding: 8px 16px !important;
    border-radius: var(--rounded-full);
    position: relative;
    transition: var(--transition);
    background: transparent;
    border: none;
    font-weight: var(--font-semibold);
    box-shadow: none;
    overflow: hidden;
    white-space: nowrap;
    display: flex;
    align-items: center;
}

.nav a:hover {
    background: rgba(0, 0, 0, 0.05);
}

.nav a.active {
    background: var(--primary-color);
    color: var(--white);
}

.nav i {
    margin-right: 8px;
    font-size: 1.2em;
    vertical-align: middle;
    color: var(--text-color);
    transition: var(--transition);
}

.nav a.active i,
.nav a:hover i {
    color: var(--white);
}

@media (max-width: 900px), (max-width: 768px), (max-width: 480px) {
    .nav, .slider, .nav-container {
        width: 1200px !important;
        min-width: 1200px !important;
        max-width: 1200px !important;
        left: 50% !important;
        transform: translateX(-50%) !important;
        right: unset !important;
        margin: 0 auto !important;
    }
    .slider {
        height: 400px !important;
        min-height: 400px !important;
        max-height: 400px !important;
    }
    .nav, .nav-container {
        height: 72px !important;
        min-height: 72px !important;
        max-height: 72px !important;
    }
}
/* ======= END ======= */

/* 轮播图样式 */
.slider {
    position: relative;
    height: 500px !important;
    width: 1200px !important;
    margin: 0 auto;
    left: 0 !important;
    right: 0 !important;
    margin-left: auto !important;
    margin-right: auto !important;
    transform: none !important;
    overflow: hidden;
    background: none;
    border-radius: var(--rounded-xl);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
    margin-top: 24px;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--white);
}

.slide.active {
    opacity: 1;
}

.slide-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 0;
    transition: transform 0.5s ease;
}

.slide.active .slide-bg {
    transform: scale(1.05);
}

.slide::before {
    content: '';
    position: absolute;
    left: 0; right: 0;
    height: 100px;
    top: 0;
    background: linear-gradient(180deg, rgba(0, 0, 0, 0.5) 0%, rgba(0, 0, 0, 0) 100%);
    z-index: 1;
    opacity: 1;
    pointer-events: none;
}

.slide::after {
    content: '';
    position: absolute;
    left: 0; right: 0;
    height: 150px;
    bottom: 0;
    background: linear-gradient(0deg, rgba(0, 0, 0, 0.6) 0%, rgba(0, 0, 0, 0) 100%);
    z-index: 1;
    opacity: 1;
    pointer-events: none;
}

/* 轮播图内容极简居中，无卡片背景 */
.slide-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 3;
    max-width: 90%;
    width: auto;
    padding: 0;
    background: none;
    border-radius: unset;
    box-shadow: none;
    text-align: center;
    animation: fadeInUp 1s ease;
}

.slide h1 {
    font-size: 3em !important;
    margin-bottom: 20px;
    color: #fff !important;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    letter-spacing: 1px;
    font-weight: var(--font-bold);
}

.slide p {
    font-size: 1.3em;
    margin-bottom: 30px;
    color: #fff !important;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.slide-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
}

.slide-buttons .btn {
    background: rgba(255, 255, 255, 0.2);
    color: #fff !important;
    border-radius: var(--rounded-full);
    border: 1px solid rgba(255, 255, 255, 0.3);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    transition: var(--transition);
    font-weight: var(--font-semibold);
    letter-spacing: 0.5px;
    padding: 14px 36px;
    font-size: 1.1em;
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.slide-buttons .btn:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-3px);
    box-shadow: 0 6px 25px rgba(0, 0, 0, 0.2);
}

.slide-buttons .btn.primary {
    background: var(--primary-color);
    border: 1px solid var(--primary-color);
}

.slide-buttons .btn.primary:hover {
    background: #0062cc;
    border: 1px solid #0062cc;
}

.slider-nav {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 12px;
    z-index: 2;
}

.slider-dot {
    width: 14px;
    height: 14px;
    border-radius: var(--rounded-full);
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
}

.slider-dot.active {
    background: var(--white);
    transform: scale(1.3);
    border: 2px solid var(--primary-color);
}

.slider-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--rounded-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    cursor: pointer;
    transition: var(--transition);
    z-index: 2;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.slider-arrow:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-50%) scale(1.1);
}

.slider-prev {
    left: 30px;
}

.slider-next {
    right: 30px;
}

/* 轮播图大面积蓝色蒙版 */
.slider::after {
    content: '';
    position: absolute;
    left: 0; right: 0; top: 0; bottom: 0;
    z-index: 2;
    pointer-events: none;
    background: rgba(0, 0, 0, 0.3);
}

/* 数据统计部分 */
.stats-section {
    background: transparent !important;
    max-width: 1200px;
    margin: 40px auto;
    border-radius: var(--rounded-xl) !important;
    box-shadow: var(--glass-shadow);
    padding: 30px 0;
    position: relative;
    z-index: 2;
    display: block;
    min-height: unset;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
}

.stats-section .stats-grid {
    position: static;
    top: unset;
    left: unset;
    transform: none;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    align-items: stretch;
    z-index: 1;
    gap: 20px;
}

.stats-section .stat-item {
    background: none;
    box-shadow: none;
    margin: 0;
}

.stats-section::before,
.stats-section::after {
    display: none !important;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.stat-item {
    text-align: center;
    padding: 20px;
    background: var(--glass-bg);
    border-radius: var(--rounded-lg);
    transition: var(--transition);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: var(--glass-shadow);
}

.stat-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.stat-number {
    font-size: 2.5em;
    font-weight: var(--font-bold);
    color: var(--primary-color);
    margin-bottom: 8px;
}

.stat-label {
    color: var(--text-color);
    font-size: 1.1em;
    font-weight: var(--font-semibold);
}

/* 内容区块样式 */
.section {
    padding: 80px 0;
}

.title {
    text-align: center;
    font-size: 2.8em;
    margin-bottom: 50px;
    color: var(--primary-color);
    font-weight: 800;
    position: relative;
    padding-bottom: 20px;
}

.title::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--gradient-1);
    border-radius: 2px;
}

.grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.card {
    background: none !important;
    border-radius: unset;
    overflow: hidden;
    box-shadow: none;
    transition: all 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

.card h3 {
    padding: 20px;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    gap: 10px;
}

.card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.card p {
    padding: 20px;
    color: var(--text-color);
}

.card .btn {
    margin: 0 20px 20px;
}

/* 页脚样式 */
.footer {
    background: linear-gradient(135deg, var(--dark-bg) 0%, #1e293b 100%);
    color: var(--white);
    padding: 70px 0 30px;
    border-radius: 0;
    box-shadow: none;
    margin-top: 50px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.footer-section h3 {
    margin-bottom: 25px;
    font-size: 1.3em;
    position: relative;
    padding-bottom: 10px;
}

.footer-section h3::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 3px;
    background: var(--gradient-1);
    border-radius: 2px;
}

.footer-section p {
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 12px;
    transition: var(--transition);
}

.footer-section p:hover {
    transform: translateX(5px);
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 12px;
}

.footer-section a {
    color: var(--white);
    text-decoration: none;
    transition: var(--transition);
    display: inline-block;
}

.footer-section a:hover {
    color: var(--secondary-color);
    transform: translateX(5px);
}

.social-links {
    display: flex;
    gap: 18px;
    margin-top: 25px;
}

.social-links a {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background: rgba(255,255,255,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    color: var(--white);
    font-size: 1.2em;
}

.social-links a:hover {
    background: var(--gradient-1);
    color: var(--white);
    transform: translateY(-5px);
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
    
    .showcase-grid,
    .review-grid,
    .service-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    .calendar-grid,
    .resource-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
    
    .quick-nav .grid {
        gap: 15px;
    }
    
    .join-flex {
        gap: 24px;
    }
    
    .recruitment-info,
    .join-form {
        flex: 0 0 320px;
        max-width: 320px;
    }
}

@media (max-width: 768px) {
    .nav ul {
        gap: 12px;
    }

    .slide h1 {
        font-size: 2.2em;
    }

    .slide p {
        font-size: 1.1em;
    }

    .grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .footer-content {
        grid-template-columns: 1fr;
    }

    .stats-grid {
        grid-template-columns: 1fr 1fr;
        gap: 12px;
    }

    .stat-number {
        font-size: 1.8em;
    }
    
    .showcase-grid,
    .review-grid,
    .service-grid {
        grid-template-columns: 1fr;
    }
    
    .calendar-grid,
    .resource-grid {
        grid-template-columns: 1fr;
    }
    
    .quick-nav .grid {
        grid-template-columns: 1fr 1fr;
        gap: 15px;
    }
    
    .course-showcase {
        margin-top: 50px;
    }
    
    .activity-calendar {
        margin-bottom: 50px;
    }
    
    .join-flex {
        flex-direction: column;
        gap: 30px;
    }
    
    .recruitment-info,
    .join-form {
        max-width: 100%;
        width: 100%;
    }
    
    .faq-grid {
        grid-template-columns: 1fr;
    }
    
    .news-list {
        grid-template-columns: 1fr;
    }
    
    .news-image {
        height: 200px;
    }
}

@media (max-width: 480px) {
    .nav {
        padding: 8px;
    }

    .nav ul {
        gap: 8px;
    }

    .nav a {
        padding: 8px 12px;
        font-size: 0.85em;
    }

    .slide h1 {
        font-size: 1.8em;
    }

    .slide p {
        font-size: 0.95em;
    }

    .slide-buttons {
        flex-direction: column;
        gap: 12px;
    }
    
    .slider {
        height: 400px !important;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .stat-item {
        padding: 15px;
    }
    
    .quick-nav .grid {
        grid-template-columns: 1fr;
    }
    
    .slider-arrow {
        width: 45px;
        height: 45px;
    }
    
    .slider-prev {
        left: 15px;
    }
    
    .slider-next {
        right: 15px;
    }
    
    .resource-list {
        grid-template-columns: 1fr;
        max-width: 280px;
    }
    
    .resource-item {
        flex-direction: row;
        text-align: left;
    }
    
    .resource-meta {
        flex-direction: row;
        justify-content: space-between;
    }
}

/* 核心业务导航 */
.quick-nav {
    padding: 50px 0;
    margin-top: -30px;
    position: relative;
    z-index: 3;
}

.quick-nav .container {
    position: static;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    z-index: 1;
}

.quick-nav .grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
    position: static;
    width: 100%;
    max-width: 100%;
    margin: 0 auto;
    z-index: 1;
}

.quick-nav-item {
    background: var(--glass-bg);
    border-radius: var(--rounded-lg);
    box-shadow: var(--glass-shadow);
    padding: 36px 16px 24px 16px;
    text-align: center;
    margin: 0 auto;
    position: relative;
    overflow: hidden;
    transition: var(--transition);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    transform: translateY(0);
}

.quick-nav-item::before {
    content: '';
    position: absolute;
    top: 20px; left: 50%;
    transform: translateX(-50%);
    width: 60px; height: 60px;
    background: var(--primary-color);
    border-radius: var(--rounded-lg);
    z-index: 1;
    opacity: 0.1;
    pointer-events: none;
}

.quick-nav-item i {
    font-size: 2.8em;
    color: var(--primary-color);
    margin-bottom: 16px;
    position: relative;
    z-index: 2;
    transition: var(--transition);
}

.quick-nav-item h3 {
    color: var(--text-color);
    font-size: 1.2em;
    margin-bottom: 10px;
    position: relative;
    z-index: 2;
    font-weight: var(--font-semibold);
}

.quick-nav-item p {
    color: var(--text-color);
    font-size: 1em;
    margin: 0;
    position: relative;
    z-index: 2;
}

.quick-nav-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

.quick-nav-item:hover i {
    transform: scale(1.1);
}

.quick-nav .grid {
    gap: 30px;
}

@media (max-width: 900px) {
    .quick-nav .grid {
        grid-template-columns: 1fr 1fr;
        gap: 20px;
    }
    
    .quick-nav-item {
        padding: 28px 12px 20px 12px;
    }
}

/* 最新动态 */
.news-preview {
    padding: 60px 0;
    background: var(--light-bg);
}

.news-card {
    display: flex;
    background: var(--white);
    border-radius: 15px;
    overflow: hidden;
    margin-bottom: 20px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.news-image {
    width: 200px;
    height: 150px;
    object-fit: cover;
}

.news-content {
    padding: 20px;
    flex: 1;
}

.news-date {
    color: #666;
    font-size: 0.9em;
    margin-bottom: 10px;
}

.news-title {
    font-size: 1.2em;
    margin-bottom: 10px;
    color: var(--primary-color);
}

/* 荣誉墙 */
.honors-wall {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin: 40px auto;
    max-width: 1200px;
    padding: 0 20px;
}

.honor-item {
    background: var(--white);
    border-radius: 15px;
    padding: 30px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

.honor-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

.honor-icon {
    font-size: 2em;
    color: var(--primary-color);
    margin-bottom: 15px;
    display: inline-block;
    vertical-align: middle;
    margin-right: 10px;
}

.honor-item h4 {
    color: var(--primary-color);
    font-size: 1.4em;
    margin-bottom: 25px;
    display: inline-block;
    vertical-align: middle;
}

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

.honor-list li {
    margin-bottom: 30px;
}

.honor-list li:last-child {
    margin-bottom: 0;
}

.honor-content {
    display: flex;
    align-items: flex-start;
    gap: 25px;
}

.honor-image {
    width: 200px;
    height: 200px;
    object-fit: cover;
    border-radius: 12px;
    box-shadow: 0 3px 15px rgba(0,0,0,0.15);
}

.honor-detail {
    flex: 1;
}

.honor-detail h5 {
    color: var(--text-color);
    font-size: 1.3em;
    margin: 0 0 10px;
    line-height: 1.4;
}

.honor-detail p {
    color: #666;
    margin: 0;
    font-size: 1.1em;
    line-height: 1.6;
}

/* 让团队荣誉占据更大空间 */
.honor-item.team-honor {
    grid-column: span 2;
}

.team-honor .honor-image {
    width: 300px;
    height: 200px;
}

@media (max-width: 1024px) {
    .honors-wall {
        grid-template-columns: 1fr;
    }
    
    .honor-item.team-honor {
        grid-column: span 1;
    }
}

@media (max-width: 768px) {
    .honor-content {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    
    .honor-image {
        width: 100%;
        max-width: 300px;
        height: 200px;
    }
    
    .team-honor .honor-image {
        width: 100%;
    }
    
    .honor-detail {
        text-align: center;
    }
}

/* 时间轴 */
.timeline-container {
    position: relative;
    margin: 40px auto;
    max-width: 1000px;
    padding: 20px;
}

.timeline {
    position: relative;
    display: grid;
    grid-template-columns: 1fr;
    gap: 15px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 20px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--primary-color), var(--secondary-color));
}

.timeline-item {
    position: relative;
    padding-left: 45px;
    padding-bottom: 10px;
}

.timeline-content {
    background: #fff !important;
    border: 2px solid #2176ff33;
    border-radius: 8px;
    box-shadow: 0 2px 8px #2176ff11;
    padding: 22px 28px;
    margin-bottom: 8px;
    position: relative;
    transition: box-shadow 0.2s, border 0.2s, transform 0.2s;
}
.timeline-content:hover {
    box-shadow: 0 8px 32px #2176ff22, 0 0 0 4px #4f8cff44 inset;
    border: 2.5px solid #2176ff;
    transform: translateY(-2px) scale(1.02);
}

.timeline-content::before {
    content: '';
    position: absolute;
    left: -25px;
    top: 50%;
    transform: translateY(-50%);
    width: 12px;
    height: 12px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    border: 3px solid var(--white);
    box-shadow: 0 0 0 3px rgba(0,86,179,0.2);
}

.timeline-date {
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 5px;
    font-size: 0.9em;
    display: flex;
    align-items: center;
    gap: 5px;
}

.timeline-date i {
    color: var(--secondary-color);
}

.timeline-content p {
    margin: 0;
    line-height: 1.4;
    font-size: 0.9em;
    color: var(--text-color);
}

@media (max-width: 768px) {
    .timeline-container {
        padding: 10px;
    }
    
    .timeline-content {
        padding: 12px;
    }
}

/* 课程相关样式 */
.course-categories {
    margin-bottom: 70px;
}

.course-card {
    background: var(--glass-bg);
    border-radius: var(--rounded-lg);
    overflow: hidden;
    box-shadow: var(--glass-shadow);
    transition: var(--transition);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

.course-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

.course-header {
    background: var(--primary-color);
    color: var(--white);
    padding: 25px;
    text-align: center;
}

.course-header i {
    font-size: 3em;
    margin-bottom: 15px;
}

.course-content {
    padding: 25px;
}

.course-info h4 {
    color: var(--primary-color);
    margin: 20px 0 10px;
    font-size: 1.3em;
    font-weight: 700;
}

.course-info ul {
    list-style: none;
    padding: 0;
}

.course-info ul li {
    padding: 8px 0;
    position: relative;
    padding-left: 25px;
    transition: var(--transition);
}

.course-info ul li:hover {
    transform: translateX(5px);
}

.course-info ul li:before {
    content: '▶';
    color: var(--accent-color);
    position: absolute;
    left: 0;
    font-size: 0.8em;
    top: 12px;
}

/* 课程展示相关样式 */
.course-showcase {
    margin-top: 70px;
}

.showcase-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}

.showcase-item {
    position: relative;
    border-radius: var(--rounded-lg);
    overflow: hidden;
    box-shadow: var(--glass-shadow);
    transition: var(--transition);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    background: var(--glass-bg);
}

.showcase-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

.showcase-item img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    transition: var(--transition);
}

.showcase-item:hover img {
    transform: scale(1.05);
}

.showcase-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 25px;
    background: linear-gradient(transparent, rgba(15, 23, 42, 0.9));
    color: var(--white);
    transform: translateY(0);
    transition: var(--transition);
}

.showcase-item:hover .showcase-overlay {
    background: linear-gradient(transparent, rgba(15, 23, 42, 0.95));
}

.showcase-overlay h4 {
    margin-bottom: 10px;
    font-size: 1.3em;
    font-weight: 700;
}

.showcase-overlay p {
    font-size: 1em;
    opacity: 0.95;
    line-height: 1.6;
}

/* 添加图片加载动画 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translate(-50%, -45%);
    }
    to {
        opacity: 1;
        transform: translate(-50%, -50%);
    }
}

@keyframes imageLoad {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.showcase-item img {
    animation: imageLoad 0.5s ease-out;
}

/* 活动相关样式 */
.activity-calendar {
    margin-bottom: 70px;
}

.calendar-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}

.calendar-item {
    display: flex;
    background: var(--glass-bg);
    border-radius: var(--rounded-md);
    overflow: hidden;
    box-shadow: var(--glass-shadow);
    transition: var(--transition);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

.calendar-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 30px rgba(37, 99, 235, 0.2);
}

.calendar-date {
    background: var(--gradient-1);
    color: var(--white);
    padding: 20px;
    text-align: center;
    min-width: 90px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.calendar-date .month {
    font-size: 0.9em;
    text-transform: uppercase;
    font-weight: 600;
}

.calendar-date .day {
    font-size: 2em;
    font-weight: 800;
    line-height: 1;
}

.calendar-content {
    padding: 20px;
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.calendar-content h4 {
    margin: 0 0 8px 0;
    color: var(--primary-color);
    font-size: 1.2em;
}

.calendar-content p {
    margin: 0 0 12px 0;
    color: var(--text-color);
}

.calendar-content .status {
    display: inline-block;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.9em;
    background: var(--gradient-3);
    color: var(--white);
    font-weight: 600;
    align-self: flex-start;
}

/* 活动回顾相关样式 */
.review-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.review-card {
    background: var(--glass-bg);
    border-radius: var(--rounded-lg);
    overflow: hidden;
    box-shadow: var(--glass-shadow);
    transition: var(--transition);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

.review-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(37, 99, 235, 0.2);
}

.review-media {
    position: relative;
}

.review-media img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    transition: var(--transition);
}

.review-card:hover .review-media img {
    transform: scale(1.05);
}

.review-date {
    position: absolute;
    bottom: 15px;
    right: 15px;
    background: var(--gradient-1);
    color: var(--white);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.9em;
    font-weight: 600;
}

.review-content {
    padding: 25px;
}

.review-content h4 {
    color: var(--primary-color);
    margin-bottom: 12px;
    font-size: 1.3em;
    font-weight: 700;
}

.review-content p {
    color: var(--text-color);
    margin-bottom: 20px;
    line-height: 1.7;
}

.btn-text {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
    padding: 8px 16px;
    border-radius: 8px;
    background: rgba(37, 99, 235, 0.1);
}

.btn-text:hover {
    color: var(--white);
    background: var(--gradient-1);
    transform: translateY(-2px);
}

.btn-text i {
    font-size: 1.2em;
}

/* 科普资源相关样式 */
.resource-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.resource-item {
    text-align: center;
    padding: 20px;
    background: var(--glass-bg);
    border-radius: var(--rounded-md);
    box-shadow: var(--glass-shadow);
    text-decoration: none;
    color: var(--text-color);
    transition: var(--transition);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

.resource-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.15);
}

.resource-item i {
    font-size: 2em;
    color: var(--primary-color);
    margin-bottom: 10px;
}

/* 服务项目相关样式 */
.service-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 30px;
}

.service-card {
    background: var(--glass-bg);
    border-radius: var(--rounded-md);
    padding: 20px;
    box-shadow: var(--glass-shadow);
    transition: var(--transition);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

.service-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 15px;
}

.service-icon i {
    font-size: 1.5em;
    color: var(--white);
}

.service-card h3 {
    color: var(--primary-color);
    margin-bottom: 15px;
    font-size: 1.3em;
}

.service-list {
    list-style: none;
    padding: 0;
    margin: 0 0 15px;
}

.service-list li {
    padding: 5px 0;
    border-bottom: 1px solid rgba(0,0,0,0.1);
    display: flex;
    align-items: center;
}

.service-list li:last-child {
    border-bottom: none;
}

.service-list li:before {
    content: '✓';
    color: var(--secondary-color);
    margin-right: 10px;
    font-weight: bold;
}

.service-stats {
    display: flex;
    justify-content: space-around;
    margin: 15px 0;
    padding-top: 15px;
    border-top: 1px solid rgba(0,0,0,0.1);
}

.stat {
    text-align: center;
}

.stat .number {
    display: block;
    font-size: 1.5em;
    font-weight: bold;
    color: var(--primary-color);
}

.stat .label {
    font-size: 0.9em;
    color: #666;
}

.service-image {
    width: 100%;
    height: 150px;
    object-fit: cover;
    border-radius: 10px;
    margin-top: 15px;
}

@media (max-width: 1024px) {
    .service-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .service-grid {
        grid-template-columns: 1fr;
    }
}

/* 响应式设计补充 */
@media (max-width: 1024px) {
    .calendar-grid,
    .resource-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .showcase-grid,
    .review-grid,
    .service-grid {
        grid-template-columns: 1fr;
    }
    
    .calendar-grid,
    .resource-grid {
        grid-template-columns: 1fr;
    }
}

/* 新闻动态样式 */
.news-tabs {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.tab-btn {
    padding: 10px 20px;
    border: 2px solid var(--primary-color);
    background: transparent;
    color: var(--primary-color);
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.9em;
    font-weight: 500;
}

.tab-btn.active,
.tab-btn:hover {
    background: var(--primary-color);
    color: var(--white);
}

.news-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-bottom: 30px;
}

.news-item {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

.news-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.15);
}

.news-image {
    position: relative;
    width: 100%;
    height: 250px;
}

.news-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.news-title {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 20px;
    background: linear-gradient(transparent, rgba(0,0,0,0.8));
    color: var(--white);
}

.news-title h3 {
    font-size: 1.1em;
    margin-bottom: 8px;
    line-height: 1.4;
}

.news-title .date {
    font-size: 0.85em;
    opacity: 0.9;
    display: flex;
    align-items: center;
    gap: 4px;
}

.pagination {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 30px;
}

.pagination a {
    width: 35px;
    height: 35px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--white);
    border-radius: 50%;
    color: var(--text-color);
    text-decoration: none;
    transition: all 0.3s ease;
    font-size: 0.9em;
}

.pagination a.active {
    background: var(--primary-color);
    color: var(--white);
}

.pagination a:hover:not(.active) {
    background: var(--light-bg);
}

/* 招募信息样式 */
.join-flex {
    display: flex;
    gap: 32px;
    justify-content: center;
    margin-bottom: 40px;
}
.recruitment-info {
    flex: 0 0 380px;
    max-width: 380px;
    display: flex;
    flex-direction: column;
    gap: 24px;
    align-items: flex-start;
}
.join-form {
    flex: 0 0 380px;
    max-width: 380px;
}

.recruitment-info .subtitle {
    text-align: center;
    font-size: 1.4em;
    color: var(--primary-color);
    margin-bottom: 25px;
    font-weight: 600;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin: 0 auto;
}

.info-card {
    background: #ffffff;
    border-radius: 10px;
    padding: 20px;
    height: 100%;
    display: flex;
    flex-direction: column;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    transition: all 0.3s ease;
    border: 1px solid #f0f0f0;
}

.info-card:hover {
    box-shadow: 0 5px 15px rgba(0,0,0,0.08);
    border-color: #e0e0e0;
}

.info-icon {
    width: 45px;
    height: 45px;
    background: var(--light-bg);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px;
}

.info-icon i {
    font-size: 1.3em;
    color: var(--primary-color);
}

.info-card h4 {
    color: var(--text-color);
    font-size: 1.1em;
    margin-bottom: 15px;
    text-align: center;
    font-weight: 600;
}

.info-card ul {
    list-style: none;
    padding: 0;
    margin: 0;
    flex-grow: 1;
}

.info-card ul li {
    padding: 8px 0;
    font-size: 0.95em;
    color: #666;
    border-bottom: 1px solid #f5f5f5;
    display: flex;
    align-items: center;
    line-height: 1.4;
}

.info-card ul li:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.info-card ul li::before {
    content: '•';
    color: var(--primary-color);
    margin-right: 8px;
    font-weight: bold;
}

/* 表单样式 */
.volunteer-form {
    max-width: 600px;
    margin: 0 auto;
    background: var(--glass-bg);
    padding: 30px;
    border-radius: var(--rounded-lg);
    box-shadow: var(--glass-shadow);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-color);
    font-weight: var(--font-medium);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--glass-border);
    border-radius: var(--rounded-sm);
    font-size: 1em;
    transition: var(--transition);
    background: rgba(255, 255, 255, 0.5);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 113, 227, 0.2);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

/* FAQ样式 */
.faq-section {
    margin-top: 50px;
}

.faq-section .subtitle {
    text-align: center;
    font-size: 1.4em;
    color: var(--primary-color);
    margin-bottom: 25px;
    font-weight: 600;
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background: var(--white);
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    transition: all 0.3s ease;
}

.faq-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.faq-question {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
}

.faq-question i {
    color: var(--primary-color);
    font-size: 1.2em;
}

.faq-question h4 {
    color: var(--text-color);
    font-size: 1.1em;
    margin: 0;
}

.faq-item p {
    color: #666;
    line-height: 1.6;
    margin: 0;
}

/* 资源下载样式 */
#download {
    padding: 32px 0;
    background: linear-gradient(135deg, #eaf6ff 0%, #d0e7ff 100%);
    position: relative;
    overflow: hidden;
}
#download::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: url('images/bg-tech-lines.png'), linear-gradient(120deg, #eaf6ff 60%, #b3e0ff 100%);
    background-size: cover;
    background-repeat: no-repeat;
    opacity: 0.18;
    pointer-events: none;
    z-index: 0;
}
#download .title {
    font-size: 1.4em;
    margin-bottom: 24px;
    text-align: center;
    color: #2176ff;
    letter-spacing: 2px;
    text-shadow: 0 2px 8px #b3e0ff55;
    position: relative;
    z-index: 1;
}
.resource-list {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
    position: relative;
    z-index: 1;
}
.resource-item {
    background: rgba(255,255,255,0.95);
    border-radius: 22px;
    box-shadow: 0 4px 24px 0 #b3e0ff33, 0 0 0 2px #b3e0ff22 inset;
    border: 1.5px solid #b3e0ff55;
    padding: 32px 24px 28px 24px;
    min-width: 280px;
    max-width: 340px;
    flex: 1 1 300px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 18px;
    transition: box-shadow 0.3s, transform 0.3s, border 0.3s;
    position: relative;
}
.resource-item:hover {
    box-shadow: 0 8px 32px 0 #2176ff55, 0 0 0 4px #6c63ff44 inset;
    border: 2px solid #2176ff;
    transform: translateY(-6px) scale(1.03);
}
.resource-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, #4f8cff 0%, #b3e0ff 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 12px #4f8cff33;
    margin-bottom: 8px;
}
.resource-icon i {
    font-size: 2em;
    color: #fff;
    text-shadow: 0 2px 8px #2176ff88;
}
.resource-info h4 {
    color: #2176ff;
    font-size: 1.1em;
    font-weight: 600;
    margin: 0 0 6px 0;
    letter-spacing: 1px;
}
.resource-meta {
    color: #2176ff;
    font-size: 0.95em;
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-bottom: 6px;
}
.resource-meta span {
    display: flex;
    align-items: center;
    gap: 4px;
}
.download-btn {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #4f8cff 0%, #b3e0ff 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.3em;
    box-shadow: 0 2px 12px #4f8cff33;
    margin-top: 8px;
    transition: background 0.3s, box-shadow 0.3s;
    border: none;
    outline: none;
}
.download-btn:hover {
    background: linear-gradient(135deg, #2176ff 0%, #6c63ff 100%);
    box-shadow: 0 4px 16px #2176ff55;
    color: #fff;
}
@media (max-width: 1024px) {
    .resource-list {
        gap: 24px;
    }
    .resource-item {
        min-width: 220px;
        max-width: 100%;
        padding: 24px 12px 20px 12px;
    }
}
@media (max-width: 768px) {
    .resource-list {
        flex-direction: column;
        align-items: center;
        gap: 18px;
    }
    .resource-item {
        min-width: 180px;
        padding: 18px 8px 16px 8px;
    }
}

/* 服务亮点样式 */
.service-highlights {
    display: flex;
    justify-content: space-around;
    margin: 12px 0;
    flex-wrap: wrap;
    gap: 8px;
}

.highlight-item {
    display: flex;
    align-items: center;
    gap: 6px;
    background: var(--light-bg);
    padding: 6px 12px;
    border-radius: 15px;
    transition: all 0.3s ease;
    font-size: 0.9em;
}

.highlight-item:hover {
    transform: translateY(-2px);
    background: var(--primary-color);
    color: var(--white);
}

.highlight-item i {
    font-size: 1em;
    color: var(--primary-color);
}

.highlight-item:hover i {
    color: var(--white);
}

.service-description {
    margin-top: 12px;
    line-height: 1.5;
    color: var(--text-color);
    text-align: justify;
    padding: 0 8px;
    font-size: 0.95em;
}

.school-info {
    padding: 12px;
}

.school-info h4 {
    color: var(--primary-color);
    margin-bottom: 12px;
    text-align: center;
    font-size: 1.1em;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .info-grid {
        gap: 15px;
    }

    .info-card {
        padding: 15px;
    }

    .info-card h4 {
        font-size: 1em;
    }

    .info-card ul li {
        font-size: 0.9em;
        padding: 6px 0;
    }

    .faq-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .news-list {
        grid-template-columns: 1fr;
    }

    .news-image {
        height: 200px;
    }

    .info-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 12px;
    }

    .info-card {
        padding: 12px;
    }

    .recruitment-info .subtitle {
        font-size: 1.2em;
        margin-bottom: 20px;
    }

    .info-icon {
        width: 40px;
        height: 40px;
        margin-bottom: 12px;
    }

    .info-icon i {
        font-size: 1.1em;
    }

    .faq-grid {
        grid-template-columns: 1fr;
    }

    .resource-list {
        grid-template-columns: repeat(3, 1fr);
        gap: 10px;
        padding: 0 15px;
    }

    .resource-item {
        padding: 10px;
    }

    .resource-icon {
        width: 30px;
        height: 30px;
    }

    .resource-info h4 {
        font-size: 0.85em;
    }

    .resource-meta {
        font-size: 0.75em;
    }

    .download-btn {
        width: 28px;
        height: 28px;
    }
}

@media (max-width: 480px) {
    .resource-list {
        grid-template-columns: 1fr;
        max-width: 280px;
    }

    .resource-item {
        flex-direction: row;
        text-align: left;
    }

    .resource-meta {
        flex-direction: row;
        justify-content: space-between;
    }
}

/* 修复logo被遮挡问题 */
.nav-logo {
    position: relative;
    z-index: 2;
    background: transparent;
    margin-left: 18px !important;
    margin-right: 18px !important;
    padding: 0 !important;
    border-radius: 50%;
    box-shadow: none;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 68px;
    width: 56px;
}
.nav-logo img {
    position: relative;
    z-index: 2;
    background: #fff;
    border-radius: 50%;
    box-shadow: 0 2px 8px rgba(0,102,255,0.08);
    height: 48px;
    width: 48px;
    margin: 0 auto;
    display: block;
}
/* 防止菜单active样式影响logo */
.nav ul li:first-child a.active {
    background: none !important;
    box-shadow: none !important;
}

/* 修复轮播图高度 */
.slider {
    height: 400px !important;
    position: relative;
    overflow: hidden;
}

/* 修复服务统计样式 */
.service-stats {
    margin-top: 40px;
}

.stat-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    max-width: 800px;
    margin: 0 auto;
}

.stat-icon {
    width: 50px;
    height: 50px;
    background: var(--light-bg);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 12px;
}

.stat-icon i {
    font-size: 1.5em;
    color: var(--primary-color);
}

/* 修复课程图片样式 */
.course-preview-image {
    width: 100%;
    height: 150px;
    object-fit: cover;
    border-radius: 8px;
    transition: transform 0.3s ease;
}

.course-image-overlay {
    margin-top: 15px;
}

.course-image-overlay:hover .course-preview-image {
    transform: scale(1.05);
}

/* 修复活动日历样式 */
.calendar-item.upcoming {
    border: 2px solid var(--primary-color);
    background: linear-gradient(135deg, rgba(0,86,179,0.1), rgba(108,99,255,0.1));
}

.calendar-item.upcoming .calendar-date {
    background: var(--primary-color);
    color: var(--white);
}

/* 修复服务卡片样式 */
.service-image {
    position: relative;
    width: 100%;
    height: 200px;
    overflow: hidden;
    border-radius: 12px;
}

.service-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.service-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0,86,179,0.9), rgba(108,99,255,0.9));
    color: var(--white);
    padding: 20px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    opacity: 0;
    transition: all 0.3s ease;
}

.service-card:hover .service-overlay {
    opacity: 1;
}

.service-card:hover .service-image img {
    transform: scale(1.1);
}

.service-desc {
    margin: 10px 0;
    font-size: 0.9em;
    line-height: 1.5;
}

.service-list {
    list-style: none;
    padding: 0;
    margin: 15px 0 0 0;
    text-align: left;
}

.service-list li {
    padding: 5px 0;
    font-size: 0.85em;
    position: relative;
    padding-left: 20px;
}

.service-list li:before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--secondary-color);
    font-weight: bold;
}

/* 修复新闻标签样式 */
.news-tabs {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.tab-btn {
    padding: 10px 20px;
    border: 2px solid var(--primary-color);
    background: transparent;
    color: var(--primary-color);
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.9em;
    font-weight: 500;
}

.tab-btn.active,
.tab-btn:hover {
    background: var(--primary-color);
    color: var(--white);
}

/* 修复表单样式 */
.join-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
}

/* 修复FAQ样式 */
.faq-section {
    margin-top: 50px;
}

.faq-section .subtitle {
    text-align: center;
    font-size: 1.4em;
    color: var(--primary-color);
    margin-bottom: 25px;
    font-weight: 600;
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background: var(--white);
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    transition: all 0.3s ease;
}

.faq-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.faq-question {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
}

.faq-question i {
    color: var(--primary-color);
    font-size: 1.2em;
}

.faq-question h4 {
    color: var(--text-color);
    font-size: 1.1em;
    margin: 0;
}

.faq-item p {
    color: #666;
    line-height: 1.6;
    margin: 0;
}

/* 响应式修复 */
@media (max-width: 768px) {
    .page-logo {
        top: 15px;
        left: 15px;
    }
    
    .page-logo img {
        width: 50px;
        height: 50px;
    }
    
    .page-logo.scrolled img {
        width: 40px;
        height: 40px;
    }
    
    .slider {
        height: 50vh;
    }
    
    .stat-row {
        grid-template-columns: repeat(3, 1fr);
        gap: 15px;
    }
    
    .faq-grid {
        grid-template-columns: 1fr;
    }
    
    .join-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}

.join-flex {
    display: flex;
    gap: 40px;
    justify-content: center;
    margin-bottom: 40px;
}
.recruitment-info {
    margin-top: 0;
}
.join-form {
    margin-top: 0;
}
.info-card {
    background: #fff;
    border-radius: 10px;
    padding: 20px;
    margin-bottom: 0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    border: 1px solid #f0f0f0;
    display: flex;
    flex-direction: column;
    gap: 10px;
}
@media (max-width: 900px) {
    .join-flex {
        flex-direction: column;
        gap: 24px;
    }
    .recruitment-info, .join-form {
        max-width: 100%;
        width: 100%;
    }
}

.recruitment-cards {
    display: flex;
    flex-direction: column;
    gap: 22px;
}
.recruitment-card {
    display: flex;
    flex-direction: column;
    gap: 8px;
    background: linear-gradient(90deg, #eaf6ff 60%, #fff 100%);
    border-radius: 14px;
    box-shadow: 0 2px 10px rgba(0,102,255,0.06);
    padding: 10px 20px;
    transition: box-shadow 0.2s;
    height: 120px;
    min-height: 100px;
    max-height: 130px;
    justify-content: center;
}
.recruitment-card:hover {
    box-shadow: 0 6px 24px #b3e0ff55;
}
.recruitment-card .icon {
    font-size: 2.2em;
    color: #2176ff;
    flex-shrink: 0;
    margin-top: 2px;
}
.recruitment-card h4 {
    margin: 0 0 6px 0;
    font-size: 1.08em;
    color: #2176ff;
}
.recruitment-card p {
    margin: 0;
    color: #444;
    font-size: 0.98em;
    line-height: 1.6;
}

.volunteer-form-cards {
    display: flex;
    flex-direction: column;
    gap: 18px;
}
.form-card {
    background: var(--glass-bg);
    border-radius: var(--rounded-md);
    box-shadow: var(--glass-shadow);
    padding: 16px 18px 12px 18px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}
.form-card label {
    font-weight: var(--font-medium);
    color: var(--text-color);
    margin-bottom: 2px;
}
.form-card input,
.form-card textarea {
    border: 1px solid var(--glass-border);
    border-radius: var(--rounded-sm);
    padding: 8px 10px;
    font-size: 1em;
    background: rgba(255, 255, 255, 0.5);
    transition: var(--transition);
}
.form-card input:focus,
.form-card textarea:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 3px rgba(0, 113, 227, 0.2);
}
.form-card-btn {
    background: none;
    box-shadow: none;
    padding: 0;
    display: flex;
    justify-content: flex-end;
}
.form-card-btn .btn {
    min-width: 120px;
    border-radius: 22px;
    font-size: 1em;
}

.timeline-fold {
    max-height: 2.2em;
    overflow: hidden;
    transition: max-height 0.3s;
}
.timeline-fold.open {
    max-height: 200px;
}
.timeline-toggle-btn {
    margin-top: 8px;
    background: none;
    border: none;
    color: var(--primary-color);
    cursor: pointer;
    font-size: 0.95em;
    padding: 0 8px;
    border-radius: var(--rounded-sm);
    transition: var(--transition);
}
.timeline-toggle-btn:hover {
    background: rgba(0, 113, 227, 0.1);
}

/* 1. 炫酷科技感轮播图背景动画 */
.slider::before {
    content: '';
    position: absolute;
    left: 0; right: 0; top: 0; bottom: 0;
    z-index: 1;
    pointer-events: none;
    background: radial-gradient(ellipse at 60% 30%, rgba(80,180,255,0.18) 0%, rgba(80,180,255,0) 60%),
                radial-gradient(ellipse at 30% 70%, rgba(160,132,238,0.18) 0%, rgba(160,132,238,0) 60%),
                linear-gradient(120deg, rgba(80,180,255,0.10) 0%, rgba(160,132,238,0.10) 100%);
    animation: slider-bg-move 8s linear infinite alternate;
}
@keyframes slider-bg-move {
    0% { background-position: 60% 30%, 30% 70%, 0 0; }
    100% { background-position: 70% 40%, 40% 80%, 100% 100%; }
}

/* 只让.stats-section显示自己的背景色 */
.section:not(.stats-section), .container, .card, .footer-content, .team-info-box, .timeline-content, .news-item, .resource-item, .service-card, .join-form, .recruitment-info, .faq-item, .form-card, .quick-nav, .course-categories, .course-showcase, .activity-calendar, .activity-review, .science-resources, .service-stats, .honors-wall, .timeline-container, .join-flex, .faq-section, .resource-list {
    background: transparent !important;
    border-radius: unset;
    box-shadow: none;
}

/* 让内容区与主背景蓝色形成对比，突出蓝白层次 */
.tech-bg {
    width: 1200px;
    max-width: 100vw;
    height: 120px;
    margin: 0 auto 32px auto;
    position: relative;
    z-index: 0;
    border-radius: 18px;
    overflow: hidden;
    background: linear-gradient(120deg, rgba(80,180,255,0.18) 0%, rgba(180,220,255,0.12) 100%);
}
.tech-bg::before {
    content: '';
    position: absolute;
    left: 0; top: 0; right: 0; bottom: 0;
    background: repeating-linear-gradient(135deg, rgba(80,180,255,0.12) 0 2px, transparent 2px 24px),
                repeating-linear-gradient(-45deg, rgba(80,180,255,0.10) 0 1px, transparent 1px 18px);
    pointer-events: none;
    z-index: 1;
}
.tech-bg::after {
    content: '';
    position: absolute;
    left: 50%; top: 50%;
    width: 320px; height: 60px;
    transform: translate(-50%, -50%);
    background: radial-gradient(ellipse at center, rgba(80,180,255,0.22) 0%, rgba(80,180,255,0) 80%);
    filter: blur(2px);
    pointer-events: none;
    z-index: 2;
}

/* 再缩小大模块之间的间距 */
.section,
.stats-section,
.quick-nav,
#download,
.course-categories,
.course-showcase,
.activity-calendar,
.activity-review,
.science-resources,
.faq-section {
    padding-top: 20px !important;
    padding-bottom: 20px !important;
    margin-top: 8px !important;
    margin-bottom: 8px !important;
}

.title,
.section .title,
.stats-section .title,
.quick-nav .title {
    margin-bottom: 16px !important;
}

/* 美化加入我们页面的提交申请按钮 */
.join-form .btn, .form-card-btn .btn, .join-form button[type="submit"] {
    background: var(--primary-color);
    color: #fff !important;
    border: none;
    border-radius: var(--rounded-full);
    padding: 12px 36px;
    font-size: 1.08em;
    font-weight: var(--font-semibold);
    letter-spacing: 0.5px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
    width: auto;
    min-width: 140px;
    margin: 0 auto;
    display: block;
    cursor: pointer;
}
.join-form .btn:hover, .form-card-btn .btn:hover, .join-form button[type="submit"]:hover {
    background: #0062cc;
    box-shadow: 0 4px 18px rgba(0, 0, 0, 0.15);
    transform: translateY(-2px);
} 

/* .quick-nav外层1200px宽度标准蓝色背景 */
.quick-nav-bg {
    width: 1200px;
    max-width: 100vw;
    margin: 0 auto 0 auto;
    background: linear-gradient(180deg, #2176ff 0%, #4f8cff 100%);
    border-radius: 0 !important;
    box-shadow: 0 2px 24px #4f8cff33;
    padding: 36px 0 32px 0;
    position: relative;
    z-index: 1;
    overflow: hidden;
}
.quick-nav-bg::before {
    content: '';
    position: absolute;
    left: 0; top: 0; right: 0; height: 60px;
    background: repeating-linear-gradient(90deg, rgba(255,255,255,0.13) 0 2px, transparent 2px 32px),
                repeating-linear-gradient(180deg, rgba(255,255,255,0.10) 0 1px, transparent 1px 28px);
    z-index: 2;
    opacity: 0.7;
    pointer-events: none;
}
@media (max-width: 1250px) {
    .quick-nav-bg {
        width: 98vw;
        border-radius: 0;
    }
}

/* 科创教育课程外层1200px银白色背景 */
.courses-bg {
    width: 1200px;
    max-width: 100vw;
    margin: 0 auto 0 auto;
    background: linear-gradient(120deg, #fafdff 60%, #e9f0f7 100%);
    border-radius: 0 !important;
    box-shadow: 0 2px 24px #b3e0ff22;
    padding: 48px 0 40px 0;
    position: relative;
    z-index: 1;
}
@media (max-width: 1250px) {
    .courses-bg {
        width: 98vw;
        border-radius: 0;
    }
}

/* 更明显且有科技感的课程区背景 */
.courses-bg {
    width: 1200px;
    max-width: 100vw;
    margin: 0 auto 0 auto;
    background: linear-gradient(120deg, #e3f0ff 0%, #c6e0ff 100%);
    border-radius: 28px;
    box-shadow: 0 4px 32px 0 #b3e0ff44, 0 0 0 2px #eaf6ff88 inset;
    padding: 54px 0 48px 0;
    position: relative;
    z-index: 1;
    overflow: hidden;
}
.courses-bg::before {
    content: '';
    position: absolute;
    left: 0; top: 0; right: 0; bottom: 0;
    background: repeating-linear-gradient(135deg, rgba(80,180,255,0.08) 0 2px, transparent 2px 32px),
                repeating-linear-gradient(-45deg, rgba(160,132,238,0.06) 0 1px, transparent 1px 28px);
    pointer-events: none;
    z-index: 1;
    opacity: 0.7;
}
.courses-bg::after {
    content: '';
    position: absolute;
    left: 50%; top: 30px;
    width: 420px; height: 120px;
    transform: translateX(-50%);
    background: radial-gradient(ellipse at center, rgba(80,180,255,0.13) 0%, rgba(80,180,255,0) 80%);
    filter: blur(2px);
    pointer-events: none;
    z-index: 2;
}

/* 科技科普活动区科技感背景 */
.activities-bg {
    width: 1200px;
    max-width: 100vw;
    margin: 0 auto 0 auto;
    background: linear-gradient(120deg, #4f8cff 0%, #eaf6ff 100%);
    position: relative;
    z-index: 1;
    overflow: hidden;
    padding: 48px 0 40px 0;
}
.activities-bg::before {
    content: '';
    position: absolute;
    left: 0; top: 0; right: 0; bottom: 0;
    background: repeating-linear-gradient(135deg, rgba(255,255,255,0.08) 0 2px, transparent 2px 32px),
                repeating-linear-gradient(-45deg, rgba(255,255,255,0.06) 0 1px, transparent 1px 28px);
    pointer-events: none;
    z-index: 1;
    opacity: 0.7;
}
.activities-bg > section {
    position: relative;
    z-index: 2;
}

/* 活动日历、回顾、资源卡片突出显示 */
.calendar-item,
.review-card,
.resource-item {
    background: #fff !important;
    border-radius: 0 !important;
    box-shadow: 0 6px 32px 0 #4f8cff22, 0 0 0 2px #eaf6ff55 inset !important;
    border: none !important;
    transition: box-shadow 0.2s, transform 0.2s;
}
.calendar-item:hover,
.review-card:hover,
.resource-item:hover {
    box-shadow: 0 12px 36px 0 #2176ff33, 0 0 0 4px #4f8cff44 inset !important;
    transform: translateY(-4px) scale(1.03);
}

/* 各区块科技感渐变背景（无特殊元素） */
.section-bg-blue {
    width: 1200px;
    max-width: 100vw;
    margin: 0 auto 24px auto;
    background: linear-gradient(120deg, #4f8cff 0%, #eaf6ff 100%);
    padding: 24px 0 20px 0;
    border-radius: 0;
    box-shadow: 0 4px 18px 0 #4f8cff11;
    position: relative;
    z-index: 1;
}
.section-bg-silver {
    width: 1200px;
    max-width: 100vw;
    margin: 0 auto 24px auto;
    background: linear-gradient(120deg, #fafdff 60%, #e9f0f7 100%);
    padding: 24px 0 20px 0;
    border-radius: 0;
    box-shadow: 0 4px 18px 0 #b0c4de11;
    position: relative;
    z-index: 1;
}
.section-bg-purple {
    width: 1200px;
    max-width: 100vw;
    margin: 0 auto 24px auto;
    background: linear-gradient(120deg, #eaf6ff 60%, #b3e0ff 100%);
    padding: 24px 0 20px 0;
    border-radius: 0;
    box-shadow: 0 4px 18px 0 #b0c4de11;
    position: relative;
    z-index: 1;
}
.section-bg-dark {
    width: 1200px;
    max-width: 100vw;
    margin: 0 auto 24px auto;
    background: linear-gradient(120deg, #eaf6ff 60%, #b3e0ff 100%);
    padding: 24px 0 20px 0;
    border-radius: 0;
    box-shadow: 0 4px 18px 0 #b0c4de11;
    position: relative;
    z-index: 1;
}

/* 小卡片科技感样式 */
.card-tech, .calendar-item, .review-card, .resource-item, .quick-nav-item, .course-card, .faq-item, .news-item {
    background: #fff !important;
    border-radius: 0 !important;
    box-shadow: 0 6px 32px 0 #4f8cff22, 0 0 0 2px #eaf6ff55 inset !important;
    border: none !important;
    transition: box-shadow 0.2s, transform 0.2s;
}
.card-tech:hover, .calendar-item:hover, .review-card:hover, .resource-item:hover, .quick-nav-item:hover, .course-card:hover, .faq-item:hover, .news-item:hover {
    box-shadow: 0 12px 36px 0 #2176ff33, 0 0 0 4px #4f8cff44 inset !important;
    transform: translateY(-4px) scale(1.03);
}

/* 主要标题科技感渐变字色+发光 */
.title-tech, .section .title, .stats-section .title, .quick-nav .title {
    background: linear-gradient(90deg, #2176ff 0%, #4f8cff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-fill-color: transparent;
    text-shadow: 0 4px 24px #4f8cff55, 0 1px 0 #fff;
    font-weight: 800;
}

/* 统计数字科技感渐变字色+发光 */
.stat-number, .stat-number-tech {
    background: linear-gradient(90deg, #2176ff 0%, #4f8cff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-fill-color: transparent;
    text-shadow: 0 2px 12px #4f8cff55, 0 1px 0 #fff;
    font-weight: 800;
}

/* 主要标题科技感黑色发光字色 */
.title-tech, .section .title, .stats-section .title, .quick-nav .title {
    color: #111 !important;
    text-shadow: 0 4px 24px #00000022, 0 1px 0 #fff;
    font-weight: 800;
    letter-spacing: 1px;
}

/* 统计数字科技感黑色发光字色 */
.stat-number, .stat-number-tech {
    color: #111 !important;
    text-shadow: 0 2px 12px #00000022, 0 1px 0 #fff;
    font-weight: 800;
    letter-spacing: 1px;
}

/* 主要标题普通黑色粗体 */
.title-tech, .section .title, .stats-section .title, .quick-nav .title {
    color: #111 !important;
    text-shadow: none !important;
    font-weight: 800;
    letter-spacing: 0;
}

/* 统计数字普通黑色粗体 */
.stat-number, .stat-number-tech {
    color: #111 !important;
    text-shadow: none !important;
    font-weight: 800;
    letter-spacing: 0;
}

/* 内容区卡片为白色或极浅色，突出层次 */
.section-bg-blue .card, .section-bg-silver .card, .section-bg-dark .card, .section-bg-purple .card {
    background: none !important;
    box-shadow: none !important;
    border-radius: 0 !important;
}

.card-border {
    border: 2px solid #2176ff33;
    box-shadow: 0 2px 8px #2176ff11;
}

#schools .card {
    border: 2px solid #2176ff33;
    box-shadow: 0 2px 8px #2176ff11;
    border-radius: 8px;
    background: #fff;
    transition: box-shadow 0.2s, border 0.2s, transform 0.2s;
}
#schools .card:hover {
    box-shadow: 0 8px 32px #2176ff22, 0 0 0 4px #4f8cff44 inset;
    border: 2.5px solid #2176ff;
    transform: translateY(-2px) scale(1.02);
}

#join {
    width: 1200px;
    max-width: 100vw;
    margin: 0 auto 32px auto;
    background: linear-gradient(120deg, #eaf6ff 60%, #b3e0ff 100%);
    box-shadow: 0 8px 32px 0 #4f8cff22;
    border-radius: 18px;
    padding: 48px 0 40px 0;
    position: relative;
    z-index: 1;
}
#join .container {
    background: none !important;
}