/* 全局样式 */
:root {
    --primary-color: #0071e3;
    --secondary-color: #86868b;
    --background-color: #ffffff;
    --text-color: #1d1d1f;
    --border-color: #d2d2d7;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--text-color);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

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

/* 导航栏样式 */
.nav {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(210, 210, 215, 0.3);
    transition: background-color 0.3s ease, box-shadow 0.3s ease;
}

.nav.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 1px 20px rgba(0, 0, 0, 0.1);
}

.nav .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 64px;
    padding: 0 30px;
}

.logo {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--primary-color);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 10px;
    transition: transform 0.3s ease;
}

.logo:hover {
    transform: translateY(-1px);
}

.logo img {
    height: 32px;
    width: auto;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 40px;
    align-items: center;
    margin: 0;
    padding: 0;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-color);
    font-size: 1rem;
    font-weight: 500;
    padding: 8px 0;
    position: relative;
    transition: color 0.3s ease;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--primary-color);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.3s ease;
}

.nav-links a:hover {
    color: var(--primary-color);
}

.nav-links a:hover::after {
    transform: scaleX(1);
    transform-origin: left;
}

.nav-links .cta-button {
    background: var(--primary-color);
    color: white;
    padding: 10px 24px;
    border-radius: 30px;
    font-weight: 500;
    transition: all 0.3s ease;
    border: 2px solid var(--primary-color);
}

.nav-links .cta-button:hover {
    background: transparent;
    color: var(--primary-color);
    transform: translateY(-2px);
}

.nav-links .cta-button::after {
    display: none;
}

/* 移动端菜单按钮 */
.menu-toggle {
    display: none;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 10px;
    position: relative;
    width: 30px;
    height: 24px;
    z-index: 1000;
}

.menu-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background-color: var(--text-color);
    margin: 5px 0;
    transition: all 0.3s ease;
    position: absolute;
}

.menu-toggle span:nth-child(1) {
    top: 0;
}

.menu-toggle span:nth-child(2) {
    top: 50%;
    transform: translateY(-50%);
}

.menu-toggle span:nth-child(3) {
    bottom: 0;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav .container {
        height: 60px;
        padding: 0 20px;
    }

    .menu-toggle {
        display: block;
    }

    .nav-links {
        display: none;
        position: fixed;
        top: 60px;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        align-items: center;
        padding: 20px;
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
        z-index: 999;
    }

    .nav-links.active {
        display: flex;
    }

    .nav-links li {
        margin: 10px 0;
        width: 100%;
        text-align: center;
    }

    .nav-links a {
        display: block;
        padding: 10px;
        width: 100%;
    }

    .nav-links .cta-button {
        width: auto;
        margin: 10px 20px;
    }

    .menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg);
        top: 11px;
    }

    .menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg);
        bottom: 11px;
    }
}

/* 主页横幅样式 */
.hero {
    padding: 140px 0 100px;
    text-align: center;
    background: linear-gradient(135deg, #f5f5f7 0%, #fff 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(0,0,0,0.1), transparent);
}

.company-brand {
    font-size: 1.1rem;
    color: var(--primary-color);
    font-weight: 500;
    margin-bottom: 20px;
    letter-spacing: 0.5px;
    text-transform: none;
    position: relative;
    display: inline-block;
}

.company-brand::after {
    content: '';
    display: block;
    width: 40px;
    height: 2px;
    background: var(--primary-color);
    margin: 8px auto 0;
}

.hero h1 {
    font-size: 4rem;
    font-weight: 700;
    margin-bottom: 15px;
    background: linear-gradient(135deg, var(--text-color) 0%, #333 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -0.5px;
}

.hero h2 {
    font-size: 2.2rem;
    font-weight: 500;
    color: var(--text-color);
    margin-bottom: 25px;
    letter-spacing: -0.5px;
}

.hero p {
    font-size: 1.25rem;
    color: var(--secondary-color);
    margin-bottom: 40px;
    letter-spacing: 1px;
}

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

.primary-button, .secondary-button {
    padding: 12px 24px;
    border-radius: 25px;
    text-decoration: none;
    font-size: 1.1rem;
    transition: all 0.3s ease;
}

.primary-button {
    background: var(--primary-color);
    color: white;
}

.secondary-button {
    background: transparent;
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
}

.primary-button:hover {
    background: #0077ed;
}

.secondary-button:hover {
    background: rgba(0, 113, 227, 0.1);
}

/* 特点展示样式 */
.features {
    padding: 100px 0;
    background: #fbfbfd;
}

.features h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 60px;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.feature-item {
    text-align: center;
    padding: 30px;
}

.feature-item img {
    width: 80px;
    height: 80px;
    margin-bottom: 20px;
}

.feature-item h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
}

/* 产品展示样式 */
.product-showcase {
    padding: 100px 0;
}

.product-showcase .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.product-image img {
    width: 100%;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
}

.product-info h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.feature-list {
    list-style: none;
    margin-top: 30px;
}

.feature-list li {
    margin-bottom: 15px;
    padding-left: 30px;
    position: relative;
}

.feature-list li::before {
    content: "✓";
    color: var(--primary-color);
    position: absolute;
    left: 0;
}

/* 价格方案样式 */
.pricing {
    padding: 100px 0;
    background: #fbfbfd;
}

.pricing h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 40px;
}

.pricing-tabs {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 50px;
}

.tab-button {
    padding: 12px 24px;
    border: 1px solid var(--border-color);
    border-radius: 25px;
    background: transparent;
    color: var(--text-color);
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.tab-button::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: var(--primary-color);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.4s ease, height 0.4s ease;
    z-index: -1;
    opacity: 0.1;
}

.tab-button:hover::before {
    width: 200px;
    height: 200px;
}

.tab-button.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    transform: scale(1.05);
}

.tab-button.active::before {
    opacity: 0;
}

.pricing-container {
    position: relative;
    min-height: 600px; /* 设置最小高度，防止内容跳动 */
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
    max-width: 1200px;
    margin: 0 auto;
    opacity: 0;
    visibility: hidden;
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    pointer-events: none;
    transform: translateY(20px);
    transition: all 0.4s ease;
}

.pricing-grid.active {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    position: relative;
    transform: translateY(0);
}

.pricing-card {
    background: white;
    border-radius: 20px;
    padding: 40px 30px;
    text-align: center;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    position: relative;
    overflow: hidden;
    transform: translateY(0);
    opacity: 0;
    animation: cardAppear 0.5s forwards;
    animation-delay: calc(var(--card-index) * 0.1s);
}

@keyframes cardAppear {
    0% {
        opacity: 0;
        transform: translateY(20px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

.card-badge {
    position: absolute;
    top: 20px;
    right: -35px;
    background: var(--primary-color);
    color: white;
    padding: 8px 40px;
    font-size: 0.9rem;
    transform: rotate(45deg);
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.pricing-card.featured {
    transform: scale(1.05);
    border: 2px solid var(--primary-color);
    box-shadow: 0 20px 40px rgba(0,113,227,0.15);
}

.pricing-card:hover {
    transform: translateY(-10px);
}

.pricing-card.featured:hover {
    transform: scale(1.05) translateY(-10px);
}

.pricing-card h3 {
    font-size: 1.6rem;
    margin-bottom: 20px;
    color: var(--text-color);
}

.price {
    font-size: 2.8rem;
    margin-bottom: 30px;
    color: var(--primary-color);
}

.price span {
    font-size: 1.2rem;
    color: var(--secondary-color);
}

.pricing-card ul {
    list-style: none;
    margin-bottom: 30px;
    text-align: left;
    padding: 0 10px;
}

.pricing-card li {
    margin-bottom: 15px;
    padding-left: 25px;
    position: relative;
    color: var(--secondary-color);
    display: flex;
    align-items: center;
}

.pricing-card li::before {
    font-family: "Font Awesome 5 Free";
    font-weight: 900;
    position: absolute;
    left: 0;
}

.pricing-card li.available::before {
    content: "\f00c";  /* FontAwesome 对勾图标 */
    color: #00c853;
}

.pricing-card li.unavailable {
    color: #999;
    text-decoration: line-through;
}

.pricing-card li.unavailable::before {
    content: "\f00d";  /* FontAwesome 叉号图标 */
    color: #ff3d00;
}

/* 添加功能项的悬停效果 */
.pricing-card li:hover {
    transform: translateX(5px);
    transition: transform 0.3s ease;
}

/* 添加功能项的工具提示样式 */
.pricing-card li[data-tooltip] {
    cursor: help;
}

.pricing-card li[data-tooltip]:hover::after {
    content: attr(data-tooltip);
    position: absolute;
    left: 100%;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 5px 10px;
    border-radius: 4px;
    font-size: 0.8rem;
    white-space: nowrap;
    z-index: 1;
    margin-left: 10px;
}

.pricing-button {
    display: inline-block;
    padding: 12px 30px;
    background: var(--primary-color);
    color: white;
    text-decoration: none;
    border-radius: 25px;
    transition: all 0.3s ease;
    font-weight: 500;
}

.pricing-button:hover {
    background: #0077ed;
    transform: translateY(-2px);
}

@media (max-width: 1200px) {
    .pricing-grid {
        grid-template-columns: repeat(2, 1fr);
        padding: 0 20px;
    }
}

@media (max-width: 768px) {
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-tabs {
        flex-wrap: wrap;
    }
    
    .pricing-card.featured {
        transform: none;
    }
    
    .pricing-card.featured:hover {
        transform: translateY(-10px);
    }
}

/* 联系我们样式 */
.contact {
    padding: 100px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    position: relative;
    overflow: hidden;
}

.contact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(0,0,0,0.1), transparent);
}

.contact h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 20px;
    background: linear-gradient(135deg, var(--text-color) 0%, #333 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.contact > p {
    text-align: center;
    color: var(--secondary-color);
    margin-bottom: 60px;
    font-size: 1.1rem;
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
    max-width: 1000px;
    margin: 0 auto;
    position: relative;
}

.contact-info::after {
    content: '';
    position: absolute;
    left: 50%;
    top: 10%;
    bottom: 10%;
    width: 1px;
    background: linear-gradient(180deg, transparent, var(--border-color), transparent);
}

.contact-item {
    background: white;
    padding: 40px;
    border-radius: 20px;
    text-align: left;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.contact-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.1);
}

.contact-item h3 {
    font-size: 1.5rem;
    margin-bottom: 25px;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    gap: 10px;
}

.contact-item h3::before {
    content: '';
    display: block;
    width: 30px;
    height: 2px;
    background: var(--primary-color);
}

.contact-item p {
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 15px;
    color: var(--secondary-color);
}

.contact-item i {
    font-size: 1.2rem;
    color: var(--primary-color);
    width: 24px;
    text-align: center;
}

.contact-item a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.3s ease;
    position: relative;
}

.contact-item a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 1px;
    background: var(--primary-color);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.3s ease;
}

.contact-item a:hover {
    color: #0077ed;
}

.contact-item a:hover::after {
    transform: scaleX(1);
    transform-origin: left;
}

/* 删除不需要的社交媒体按钮样式 */
.contact-social,
.social-icon {
    display: none;
}

@media (max-width: 768px) {
    .contact-info {
        grid-template-columns: 1fr;
    }
    
    .contact-info::after {
        display: none;
    }
    
    .contact-item {
        padding: 30px;
    }
}

/* 添加动画效果 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.contact-item {
    animation: fadeInUp 0.6s ease forwards;
    opacity: 0;
}

.contact-item:nth-child(2) {
    animation-delay: 0.2s;
}

/* 页脚样式 */
.footer {
    background: #f5f5f7;
    padding: 60px 0 30px;
    margin-top: 60px;
}

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

.footer-content {
    display: grid;
    grid-template-columns: 1fr 3fr;
    gap: 60px;
    margin-bottom: 40px;
}

.footer-logo {
    text-align: left;
}

.footer-logo img {
    height: 40px;
    margin-bottom: 15px;
}

.footer-logo p {
    color: var(--secondary-color);
    font-size: 0.95rem;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.footer-column h4 {
    font-size: 1rem;
    color: var(--text-color);
    margin-bottom: 20px;
    font-weight: 600;
}

.footer-column ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

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

.footer-column ul li a {
    color: var(--secondary-color);
    text-decoration: none;
    transition: color 0.3s ease;
    font-size: 0.95rem;
}

.footer-column ul li a:hover {
    color: var(--primary-color);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid var(--border-color);
}

.footer-info {
    color: var(--secondary-color);
    font-size: 0.9rem;
}

.footer-info p {
    margin: 5px 0;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .footer-logo {
        text-align: center;
    }

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

@media (max-width: 768px) {
    .footer {
        padding: 40px 0 20px;
    }

    .footer-links {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-column {
        margin-bottom: 30px;
    }

    .footer-column:last-child {
        margin-bottom: 0;
    }
}

@media (max-width: 480px) {
    .footer-content {
        gap: 30px;
    }

    .footer-logo img {
        height: 32px;
    }

    .footer-column h4 {
        font-size: 0.95rem;
        margin-bottom: 15px;
    }

    .footer-column ul li {
        margin-bottom: 10px;
    }

    .footer-column ul li a {
        font-size: 0.9rem;
    }
}

/* 应用场景样式 */
.scenarios {
    padding: 100px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #fff 100%);
}

.scenarios h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 60px;
}

.scenarios-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    max-width: 1000px;
    margin: 0 auto;
}

.scenario-item {
    background: white;
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    transition: transform 0.3s ease;
}

.scenario-item:hover {
    transform: translateY(-5px);
}

.scenario-item h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.scenario-item p {
    color: var(--secondary-color);
    line-height: 1.6;
}

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

/* 新闻页面样式 */
.news-page .page-header {
    background: linear-gradient(135deg, #f5f5f7 0%, #fff 100%);
    padding: 100px 0 60px;
    text-align: center;
}

.news-page .page-header h1 {
    font-size: 3rem;
    margin-bottom: 20px;
    color: var(--text-color);
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
    padding: 60px 0;
}

.news-item {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.news-item:hover {
    transform: translateY(-10px);
}

.news-image {
    width: 100%;
    height: 240px;
    overflow: hidden;
}

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

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

.news-info {
    padding: 30px;
}

.news-date {
    color: var(--secondary-color);
    font-size: 0.9rem;
    margin-bottom: 15px;
    display: block;
}

.news-info h2 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    line-height: 1.4;
}

.news-info p {
    color: var(--secondary-color);
    margin-bottom: 20px;
}

.read-more {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    transition: transform 0.3s ease;
}

.read-more:hover {
    transform: translateX(5px);
}

.read-more::after {
    content: '→';
    margin-left: 5px;
    transition: transform 0.3s ease;
}

.pagination {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 40px;
}

.pagination a, .pagination span {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    border: 1px solid var(--border-color);
    color: var(--text-color);
    text-decoration: none;
    transition: all 0.3s ease;
}

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

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

/* 招聘页面样式 */
.careers-page .page-header {
    background: linear-gradient(135deg, #f5f5f7 0%, #fff 100%);
    padding: 100px 0 60px;
    text-align: center;
}

.company-culture {
    padding: 80px 0;
    background: white;
}

.culture-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-top: 40px;
}

.culture-item {
    text-align: center;
    padding: 40px 20px;
    background: #f8f9fa;
    border-radius: 20px;
    transition: transform 0.3s ease;
}

.culture-item:hover {
    transform: translateY(-10px);
}

.culture-item i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.culture-item h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
}

.job-openings {
    padding: 80px 0;
    background: #f8f9fa;
}

.job-filters {
    display: flex;
    gap: 15px;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.job-filters button {
    padding: 10px 20px;
    border: 1px solid var(--border-color);
    border-radius: 30px;
    background: transparent;
    color: var(--text-color);
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.job-filters button:hover {
    background: rgba(0, 113, 227, 0.1);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.job-filters button.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.job-list {
    display: grid;
    gap: 30px;
}

.job-item {
    background: white;
    border-radius: 20px;
    padding: 30px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
}

.job-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.job-type {
    background: rgba(0,113,227,0.1);
    color: var(--primary-color);
    padding: 6px 15px;
    border-radius: 15px;
    font-size: 0.9rem;
}

.job-info {
    display: flex;
    gap: 20px;
    margin-bottom: 20px;
    color: var(--secondary-color);
}

.job-info span {
    display: flex;
    align-items: center;
    gap: 5px;
}

.job-description h4 {
    margin: 20px 0 10px;
    color: var(--text-color);
}

.job-description ul {
    list-style: none;
    margin-left: 0;
}

.job-description li {
    margin-bottom: 8px;
    padding-left: 20px;
    position: relative;
}

.job-description li::before {
    content: "•";
    color: var(--primary-color);
    position: absolute;
    left: 0;
}

.apply-button {
    display: inline-block;
    padding: 12px 30px;
    background: var(--primary-color);
    color: white;
    text-decoration: none;
    border-radius: 25px;
    margin-top: 20px;
    transition: all 0.3s ease;
}

.apply-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0,113,227,0.3);
}

.benefits {
    padding: 80px 0;
    background: white;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-top: 40px;
}

.benefit-item {
    text-align: center;
    padding: 40px 20px;
    background: #f8f9fa;
    border-radius: 20px;
    transition: transform 0.3s ease;
}

.benefit-item:hover {
    transform: translateY(-10px);
}

.benefit-item i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.benefit-item h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
}

/* 政策页面样式 */
.policy-page .page-header {
    background: linear-gradient(135deg, #f5f5f7 0%, #fff 100%);
    padding: 100px 0 60px;
    text-align: center;
}

.policy-content {
    padding: 60px 0;
}

.policy-section {
    margin-bottom: 50px;
    background: white;
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
}

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

.policy-section h2 {
    font-size: 1.8rem;
    margin-bottom: 25px;
    color: var(--text-color);
}

.policy-section h3 {
    font-size: 1.4rem;
    margin: 30px 0 15px;
    color: var(--text-color);
}

.policy-section p {
    margin-bottom: 20px;
    line-height: 1.6;
}

.policy-section ul {
    list-style: none;
    margin: 20px 0;
}

.policy-section li {
    margin-bottom: 10px;
    padding-left: 25px;
    position: relative;
}

.policy-section li::before {
    content: "•";
    color: var(--primary-color);
    position: absolute;
    left: 0;
}

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

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

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

    .job-info {
        flex-direction: column;
        gap: 10px;
    }

    .policy-section {
        padding: 30px;
    }
}

@media (max-width: 480px) {
    .culture-grid,
    .benefits-grid {
        grid-template-columns: 1fr;
    }

    .job-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }

    .policy-section {
        padding: 20px;
    }
}

/* 新闻详情页面样式 */
.news-detail-page {
    padding: 120px 0 60px;
    background-color: #f8f9fa;
}

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

.news-detail-header .back-link {
    display: inline-flex;
    align-items: center;
    color: #666;
    font-size: 16px;
    margin-bottom: 20px;
    text-decoration: none;
    transition: color 0.3s;
}

.news-detail-header .back-link:hover {
    color: #007bff;
}

.news-detail-header .back-link i {
    margin-right: 8px;
}

.news-detail-header .news-date {
    display: block;
    color: #666;
    font-size: 14px;
    margin-bottom: 16px;
}

.news-detail-header h1 {
    font-size: 36px;
    color: #333;
    margin: 0;
    line-height: 1.4;
}

.news-detail-content {
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.news-detail-image {
    width: 100%;
    height: auto;
    max-height: 500px;
    object-fit: cover;
}

.news-detail-text {
    padding: 40px;
}

.news-detail-text h2 {
    font-size: 28px;
    color: #333;
    margin: 0 0 20px;
}

.news-detail-text h3 {
    font-size: 22px;
    color: #444;
    margin: 30px 0 15px;
}

.news-detail-text p {
    font-size: 16px;
    line-height: 1.8;
    color: #666;
    margin: 0 0 15px;
}

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

.news-detail-text ul li {
    font-size: 16px;
    line-height: 1.8;
    color: #666;
    margin-bottom: 10px;
}

.news-contact {
    margin-top: 40px;
    padding-top: 30px;
    border-top: 1px solid #eee;
}

.news-contact h2 {
    font-size: 24px;
    color: #333;
    margin-bottom: 15px;
}

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

.news-contact ul {
    list-style: none;
    padding: 0;
}

.news-contact ul li {
    font-size: 16px;
    color: #666;
    margin-bottom: 10px;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .news-detail-page {
        padding: 100px 0 40px;
    }

    .news-detail-header h1 {
        font-size: 28px;
    }

    .news-detail-text {
        padding: 25px;
    }

    .news-detail-text h2 {
        font-size: 24px;
    }

    .news-detail-text h3 {
        font-size: 20px;
    }

    .news-detail-text p,
    .news-detail-text ul li {
        font-size: 15px;
    }
}

@media (max-width: 480px) {
    .news-detail-header h1 {
        font-size: 24px;
    }

    .news-detail-text {
        padding: 20px;
    }

    .news-detail-text h2 {
        font-size: 22px;
    }

    .news-detail-text h3 {
        font-size: 18px;
    }
}

.news-card .news-image {
    width: 100%;
    height: 300px;
    object-fit: cover;
    border-radius: 8px 8px 0 0;
}

.news-card {
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
    height: 100%;
    display: flex;
    flex-direction: column;
}

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

/* 白皮书页面样式 */
.whitepaper-hero {
    padding: 80px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.whitepaper-hero .container {
    display: flex;
    align-items: center;
    gap: 60px;
}

.whitepaper-content {
    flex: 1;
}

.whitepaper-content h1 {
    font-size: 2.5em;
    color: #2c3e50;
    margin-bottom: 20px;
}

.whitepaper-content .subtitle {
    font-size: 1.5em;
    color: #6c757d;
    margin-bottom: 30px;
}

.whitepaper-info {
    display: flex;
    gap: 30px;
    margin-bottom: 30px;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #6c757d;
}

.info-item i {
    font-size: 1.2em;
    color: #007bff;
}

.download-button {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 15px 30px;
    background-color: #007bff;
    color: white;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: background-color 0.3s;
}

.download-button:hover {
    background-color: #0056b3;
}

.whitepaper-preview {
    flex: 1;
    max-width: 400px;
}

.cover-image {
    width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.whitepaper-overview {
    padding: 80px 0;
}

.whitepaper-overview h2 {
    text-align: center;
    font-size: 2em;
    color: #2c3e50;
    margin-bottom: 50px;
}

.overview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.overview-item {
    padding: 30px;
    background: white;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s;
}

.overview-item:hover {
    transform: translateY(-5px);
}

.overview-item i {
    font-size: 2em;
    color: #007bff;
    margin-bottom: 20px;
}

.overview-item h3 {
    font-size: 1.2em;
    color: #2c3e50;
    margin-bottom: 15px;
}

.overview-item p {
    color: #6c757d;
    line-height: 1.6;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .whitepaper-hero .container {
        flex-direction: column;
        text-align: center;
    }

    .whitepaper-info {
        justify-content: center;
    }

    .whitepaper-preview {
        max-width: 300px;
        margin: 0 auto;
    }

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

/* 合伙人页面样式 */
.partners-hero {
    padding: 140px 0 100px;
    text-align: center;
    background: linear-gradient(135deg, #f5f5f7 0%, #fff 100%);
    position: relative;
    overflow: hidden;
}

.partners-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(0,0,0,0.1), transparent);
}

.partners-hero .company-brand {
    font-size: 1.1rem;
    color: var(--primary-color);
    font-weight: 500;
    margin-bottom: 20px;
    letter-spacing: 0.5px;
    text-transform: none;
    position: relative;
    display: inline-block;
}

.partners-hero .company-brand::after {
    content: '';
    display: block;
    width: 40px;
    height: 2px;
    background: var(--primary-color);
    margin: 8px auto 0;
}

.partners-hero h1 {
    font-size: 4rem;
    font-weight: 700;
    margin-bottom: 15px;
    background: linear-gradient(135deg, var(--text-color) 0%, #333 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -0.5px;
}

.partners-hero h2 {
    font-size: 2.2rem;
    font-weight: 500;
    color: var(--text-color);
    margin-bottom: 25px;
    letter-spacing: -0.5px;
}

.partners-hero p {
    font-size: 1.25rem;
    color: var(--secondary-color);
    margin-bottom: 40px;
    letter-spacing: 1px;
}

.partners-hero .cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
}

.partners-hero .primary-button,
.partners-hero .secondary-button {
    padding: 12px 24px;
    border-radius: 25px;
    text-decoration: none;
    font-size: 1.1rem;
    transition: all 0.3s ease;
}

.partners-hero .primary-button {
    background: var(--primary-color);
    color: white;
}

.partners-hero .secondary-button {
    background: transparent;
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
}

.partners-hero .primary-button:hover {
    background: #0077ed;
}

.partners-hero .secondary-button:hover {
    background: rgba(0, 113, 227, 0.1);
}

.benefits-section {
    padding: 100px 0;
    background: #fbfbfd;
}

.benefits-section h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 60px;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.benefit-card {
    text-align: center;
    padding: 30px;
}

.benefit-card img {
    width: 80px;
    height: 80px;
    margin-bottom: 20px;
}

.benefit-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
}

.process-section {
    padding: 100px 0;
}

.process-section .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.process-image img {
    width: 100%;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
}

.process-info h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.process-list {
    list-style: none;
    margin-top: 30px;
}

.process-list li {
    margin-bottom: 15px;
    padding-left: 30px;
    position: relative;
}

.process-list li::before {
    content: "✓";
    color: var(--primary-color);
    position: absolute;
    left: 0;
}

.apply-section {
    padding: 80px 0;
    background: #f8f9fa;
}

.apply-section h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 40px;
}

.apply-form {
    max-width: 600px;
    margin: 0 auto;
    background: white;
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-color);
    font-weight: 500;
    font-size: 0.95rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: #fff;
    color: var(--text-color);
}

.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, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: #999;
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.apply-form button {
    width: 100%;
    padding: 15px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 1.1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 10px;
}

.apply-form button:hover {
    background: #005bbf;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 113, 227, 0.2);
}

.apply-form button:active {
    transform: translateY(0);
}

@media (max-width: 768px) {
    .partners-hero {
        padding: 100px 0 60px;
    }

    .partners-hero h1 {
        font-size: 2.5rem;
    }

    .partners-hero h2 {
        font-size: 1.8rem;
    }

    .partners-hero p {
        font-size: 1.1rem;
    }

    .partners-hero .cta-buttons {
        flex-direction: column;
        gap: 15px;
    }

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

    .process-section .container {
        grid-template-columns: 1fr;
    }

    .apply-form {
        padding: 30px 20px;
    }
}

@media (max-width: 480px) {
    .partners-hero h1 {
        font-size: 2rem;
    }

    .partners-hero h2 {
        font-size: 1.5rem;
    }

    .benefits-section h2,
    .process-section h2,
    .apply-section h2 {
        font-size: 2rem;
    }
}

/* 客服按钮样式 */
.float-customer-service {
    position: fixed;
    right: 30px;
    bottom: 30px;
    width: 60px;
    height: 60px;
    background-color: var(--primary-color);
    border-radius: 50%;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 1000;
    border: none;
    outline: none;
}

.float-customer-service:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
    background-color: #005bbf;
}

.float-customer-service i {
    color: #fff;
    font-size: 24px;
}

.service-popup {
    position: fixed;
    right: 100px;
    bottom: 40px;
    background: #fff;
    padding: 20px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    max-width: 300px;
    transform: translateX(150%);
    transition: transform 0.3s ease;
    z-index: 999;
}

.service-popup.show {
    transform: translateX(0);
}

.service-popup p {
    margin: 0 0 15px 0;
    color: var(--text-color);
    font-size: 16px;
    font-weight: 500;
}

.service-popup .popup-buttons {
    display: flex;
    gap: 10px;
}

.service-popup .popup-button {
    padding: 8px 16px;
    border-radius: 6px;
    font-size: 14px;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.3s ease;
    border: none;
    outline: none;
}

.service-popup .consult-btn {
    background: var(--primary-color);
    color: #fff;
}

.service-popup .consult-btn:hover {
    background: #005bbf;
    transform: translateY(-2px);
}

.service-popup .close-btn {
    background: #f5f5f7;
    color: var(--text-color);
}

.service-popup .close-btn:hover {
    background: #e5e5e7;
    transform: translateY(-2px);
}

@media (max-width: 768px) {
    .float-customer-service {
        right: 20px;
        bottom: 20px;
        width: 50px;
        height: 50px;
    }

    .float-customer-service i {
        font-size: 20px;
    }

    .service-popup {
        right: 80px;
        bottom: 30px;
        max-width: 250px;
    }
}

/* 申请部分样式 */
.apply-section {
    padding: 80px 0;
    background: #f8f9fa;
}

.apply-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 40px;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.apply-info h3 {
    font-size: 24px;
    color: #333;
    margin-bottom: 20px;
    text-align: center;
}

.apply-info > p {
    text-align: center;
    color: #666;
    margin-bottom: 40px;
}

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

.apply-methods li {
    display: flex;
    align-items: flex-start;
    margin-bottom: 40px;
    padding: 30px;
    background: #f8f9fa;
    border-radius: 8px;
    transition: transform 0.3s ease;
}

.apply-methods li:hover {
    transform: translateY(-5px);
}

.apply-methods li i {
    font-size: 32px;
    color: #D20A10;
    margin-right: 20px;
    margin-top: 5px;
}

.apply-methods li h4 {
    font-size: 20px;
    color: #333;
    margin-bottom: 10px;
}

.apply-methods li p {
    color: #666;
    margin-bottom: 15px;
}

.apply-methods li a {
    color: #D20A10;
    text-decoration: none;
}

.apply-methods li a:hover {
    text-decoration: underline;
}

.apply-button {
    display: inline-block;
    padding: 10px 20px;
    background: #D20A10;
    color: #fff !important;
    border-radius: 6px;
    text-decoration: none;
    transition: background-color 0.3s ease;
}

.apply-button:hover {
    background: #b0090d;
    text-decoration: none !important;
}

.email-template {
    font-weight: 500;
    margin-top: 20px;
    margin-bottom: 10px;
}

.template-code {
    background: #f1f1f1;
    padding: 20px;
    border-radius: 6px;
    font-family: monospace;
    white-space: pre-wrap;
    color: #333;
    font-size: 14px;
    line-height: 1.6;
}

@media (max-width: 768px) {
    .apply-content {
        padding: 20px;
    }

    .apply-methods li {
        flex-direction: column;
        padding: 20px;
    }

    .apply-methods li i {
        margin-bottom: 15px;
    }
}

/* 帮助中心页面样式 */
.help-hero {
    padding: 140px 0 80px;
    text-align: center;
    background: linear-gradient(135deg, #f5f5f7 0%, #fff 100%);
    position: relative;
    overflow: hidden;
}

.help-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(0,0,0,0.1), transparent);
}

.help-hero h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    background: linear-gradient(135deg, var(--text-color) 0%, #333 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.help-hero p {
    font-size: 1.25rem;
    color: var(--secondary-color);
    margin-bottom: 40px;
}

.search-box {
    max-width: 600px;
    margin: 0 auto;
    position: relative;
}

.search-box input {
    width: 100%;
    padding: 15px 60px 15px 20px;
    border: 2px solid var(--border-color);
    border-radius: 30px;
    font-size: 1.1rem;
    transition: all 0.3s ease;
}

.search-box input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 113, 227, 0.1);
}

.search-box button {
    position: absolute;
    right: 5px;
    top: 50%;
    transform: translateY(-50%);
    background: var(--primary-color);
    color: white;
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.search-box button:hover {
    background: #005bbf;
}

/* 快速入口样式 */
.quick-links {
    padding: 60px 0;
    background: white;
}

.links-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.link-card {
    text-align: center;
    padding: 30px;
    background: #f8f9fa;
    border-radius: 15px;
    text-decoration: none;
    color: var(--text-color);
    transition: all 0.3s ease;
}

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

.link-card i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.link-card h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
}

.link-card p {
    color: var(--secondary-color);
    font-size: 0.95rem;
}

/* 帮助章节样式 */
.help-section {
    padding: 80px 0;
}

.help-section:nth-child(even) {
    background: #f8f9fa;
}

.help-section h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 50px;
}

/* 快速入门步骤样式 */
.guide-steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.step {
    text-align: center;
    padding: 30px;
    background: white;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    position: relative;
}

.step-number {
    width: 40px;
    height: 40px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    font-weight: 600;
    margin: 0 auto 20px;
}

.step h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
}

.step p {
    color: var(--secondary-color);
    font-size: 0.95rem;
}

/* FAQ样式 */
.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: white;
    border-radius: 10px;
    margin-bottom: 20px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.faq-question {
    padding: 20px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-question h3 {
    font-size: 1.1rem;
    margin: 0;
}

.faq-question i {
    color: var(--primary-color);
    transition: transform 0.3s ease;
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    padding: 0 20px;
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-item.active .faq-answer {
    padding: 0 20px 20px;
    max-height: 1000px;
}

.faq-answer p {
    margin-bottom: 15px;
}

.faq-answer ul {
    list-style: none;
    padding-left: 20px;
}

.faq-answer li {
    margin-bottom: 10px;
    position: relative;
}

.faq-answer li::before {
    content: "•";
    color: var(--primary-color);
    position: absolute;
    left: -15px;
}

/* 教程卡片样式 */
.tutorials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.tutorial-card {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    transition: transform 0.3s ease;
}

.tutorial-card:hover {
    transform: translateY(-5px);
}

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

.tutorial-content {
    padding: 40px 0;
    background-color: #f8f9fa;
}

.tutorial-article {
    max-width: 900px;
    margin: 0 auto;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
    padding: 40px;
}

.tutorial-header {
    text-align: center;
    margin-bottom: 40px;
    padding-bottom: 30px;
    border-bottom: 1px solid #eee;
}

.tutorial-header h1 {
    font-size: 2.5em;
    color: #333;
    margin-bottom: 15px;
}

.tutorial-meta {
    color: #666;
    font-size: 0.9em;
}

.tutorial-meta span {
    margin: 0 15px;
}

.tutorial-meta i {
    margin-right: 5px;
    color: #007bff;
}

.tutorial-section {
    margin-bottom: 40px;
}

.tutorial-section h2 {
    color: #333;
    font-size: 1.8em;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid #007bff;
}

.tutorial-section h3 {
    color: #444;
    font-size: 1.4em;
    margin: 25px 0 15px;
}

.tutorial-section p {
    line-height: 1.8;
    color: #555;
    margin-bottom: 15px;
}

.tutorial-section ul, 
.tutorial-section ol {
    padding-left: 20px;
    margin-bottom: 20px;
}

.tutorial-section li {
    margin-bottom: 10px;
    line-height: 1.6;
    color: #555;
}

.tutorial-toc {
    background: #f8f9fa;
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 30px;
}

.tutorial-toc li {
    margin-bottom: 10px;
}

.tutorial-toc a {
    color: #007bff;
    text-decoration: none;
    transition: color 0.3s;
}

.tutorial-toc a:hover {
    color: #0056b3;
    text-decoration: underline;
}

/* 代码块样式 */
pre {
    background: #f8f9fa;
    padding: 15px;
    border-radius: 6px;
    overflow-x: auto;
    margin: 15px 0;
}

code {
    font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, Courier, monospace;
    font-size: 0.9em;
    color: #333;
}

/* FAQ样式 */
.faq-item {
    background: #fff;
    border: 1px solid #eee;
    border-radius: 8px;
    margin-bottom: 15px;
    overflow: hidden;
}

.faq-item h3 {
    margin: 0;
    padding: 15px 20px;
    background: #f8f9fa;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background-color 0.3s;
}

.faq-item h3:hover {
    background: #e9ecef;
}

.faq-item p {
    padding: 15px 20px;
    margin: 0;
    border-top: 1px solid #eee;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .tutorial-article {
        padding: 20px;
    }

    .tutorial-header h1 {
        font-size: 2em;
    }

    .tutorial-section h2 {
        font-size: 1.5em;
    }

    .tutorial-section h3 {
        font-size: 1.2em;
    }
}

@media (max-width: 480px) {
    .tutorial-article {
        padding: 15px;
    }

    .tutorial-header h1 {
        font-size: 1.8em;
    }

    .tutorial-meta span {
        display: block;
        margin: 5px 0;
    }
}

/* 联系支持样式 */
.contact-support {
    text-align: center;
}

.contact-support p {
    color: var(--secondary-color);
    margin-bottom: 40px;
}

.support-options {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    max-width: 1000px;
    margin: 0 auto;
}

.support-card {
    background: white;
    padding: 30px;
    border-radius: 15px;
    text-decoration: none;
    color: var(--text-color);
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

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

.support-card i {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.support-card h3 {
    font-size: 1.2rem;
    margin-bottom: 10px;
}

.support-card p {
    color: var(--secondary-color);
    font-size: 0.95rem;
    margin: 0;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .links-grid,
    .guide-steps,
    .tutorials-grid,
    .support-options {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .help-hero {
        padding: 100px 0 60px;
    }

    .help-hero h1 {
        font-size: 2.5rem;
    }

    .help-section {
        padding: 60px 0;
    }

    .help-section h2 {
        font-size: 2rem;
    }

    .links-grid,
    .guide-steps,
    .tutorials-grid,
    .support-options {
        grid-template-columns: 1fr;
    }

    .search-box input {
        padding: 12px 50px 12px 15px;
        font-size: 1rem;
    }

    .search-box button {
        width: 40px;
        height: 40px;
    }
}

@media (max-width: 480px) {
    .help-hero h1 {
        font-size: 2rem;
    }

    .help-hero p {
        font-size: 1.1rem;
    }

    .step {
        padding: 20px;
    }

    .faq-question h3 {
        font-size: 1rem;
    }
}