/* 新闻页面样式 */
.news-container {
    max-width: 1200px;
    margin: 80px auto;
    padding: 0 20px;
}

.page-title {
    font-size: 2.5rem;
    color: var(--secondary-color);
    margin-bottom: 2rem;
    text-align: center;
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.news-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

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

.news-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.news-content {
    padding: 1.5rem;
}

.news-date {
    color: #666;
    font-size: 0.9rem;
}

.read-more {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    display: inline-block;
    margin-top: 1rem;
}

.news-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, #0055aa 100%);
    color: white;
    padding: 100px 0 60px;
    text-align: center;
}

.news-filters {
    display: flex;
    gap: 1rem;
    margin: 2rem 0;
    justify-content: center;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.5rem 1.5rem;
    border: 1px solid var(--primary-color);
    border-radius: 20px;
    background: transparent;
    color: var(--primary-color);
    cursor: pointer;
    transition: all 0.3s ease;
}

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

.news-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

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

.news-card img {
    width: 100%;
    height: 250px;
    object-fit: cover;
}

.news-content {
    padding: 1.5rem;
}

.news-date {
    color: var(--gray-dark);
    font-size: 0.9rem;
}

.news-content h3 {
    margin: 0.5rem 0;
    font-size: 1.5rem;
    color: var(--secondary-color);
}

.news-content p {
    color: var(--gray-dark);
    margin-bottom: 1rem;
}

/* 关于我们页面样式 */
.about-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, #0055aa 100%);
    color: white;
    padding: 120px 0 60px;
    text-align: center;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    margin: 4rem 0;
}

.about-content h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    color: var(--secondary-color);
}

.about-content p {
    margin-bottom: 1rem;
    color: var(--gray-dark);
    font-size: 1.1rem;
}

.about-image img {
    width: 100%;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

/* 企业文化卡片 */
.culture-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
}

.culture-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

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

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

.culture-card h3 {
    padding: 1.5rem 1.5rem 0.5rem;
    font-size: 1.5rem;
    color: var(--secondary-color);
}

.culture-card p {
    padding: 0 1.5rem 1.5rem;
    color: var(--gray-dark);
}

/* 时间线样式 */
.timeline {
    position: relative;
    max-width: 800px;
    margin: 3rem auto;
    padding: 2rem 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--primary-color);
    transform: translateX(-50%);
}

.timeline-item {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 3rem;
}

.timeline-date {
    background: var(--primary-color);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-weight: bold;
    margin: 0 2rem;
}

.timeline-content {
    background: white;
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    width: 300px;
}

.timeline-content h3 {
    color: var(--secondary-color);
    margin-bottom: 0.5rem;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .about-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .timeline::before {
        left: 30px;
    }

    .timeline-item {
        flex-direction: column;
        align-items: flex-start;
        margin-left: 30px;
    }

    .timeline-date {
        margin: 0 0 1rem 0;
    }

    .timeline-content {
        width: 100%;
    }
}

/* 业务范围页面样式 */
.services-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, #0055aa 100%);
    color: white;
    padding: 120px 0 60px;
    text-align: center;
}

.service-card.large {
    display: flex;
    flex-direction: column;
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
    margin-bottom: 2rem;
}

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

.service-card.large img {
    width: 100%;
    height: 300px;
    object-fit: cover;
}

.service-content {
    padding: 2rem;
}

.service-content h3 {
    font-size: 1.8rem;
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

.service-content p {
    color: var(--gray-dark);
    margin-bottom: 1.5rem;
}

.service-features {
    list-style: none;
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
}

.service-features li {
    background: var(--gray-light);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    color: var(--secondary-color);
}

/* 服务流程样式 */
.service-process {
    padding: 5rem 0;
    background: var(--gray-light);
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.process-step {
    text-align: center;
    padding: 2rem;
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.step-number {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.process-step h3 {
    color: var(--secondary-color);
    margin-bottom: 0.5rem;
}

.process-step p {
    color: var(--gray-dark);
}

/* 响应式调整 */
@media (max-width: 768px) {
    .service-features {
        justify-content: center;
    }
    
    .service-card.large {
        margin: 1rem;
    }
}

/* 认证页面样式 */
.auth-page {
    min-height: 100vh;
    background: linear-gradient(135deg, var(--primary-color) 0%, #0055aa 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.auth-container {
    width: 100%;
    max-width: 420px;
}

.auth-box {
    background: white;
    border-radius: 16px;
    padding: 2.5rem;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
}

.auth-header {
    text-align: center;
    margin-bottom: 2rem;
}

.auth-logo {
    width: 120px;
    margin-bottom: 1.5rem;
}

.auth-header h1 {
    font-size: 1.8rem;
    color: var(--secondary-color);
    margin-bottom: 0.5rem;
}

.auth-header p {
    color: var(--gray-dark);
}

.auth-form .form-group {
    margin-bottom: 1.5rem;
}

.auth-form label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--secondary-color);
    font-weight: 500;
}

.auth-form input {
    width: 100%;
    padding: 0.8rem 1rem;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.auth-form input:focus {
    border-color: var(--primary-color);
    outline: none;
}

.password-input {
    position: relative;
}

.toggle-password {
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
}

.toggle-password img {
    width: 20px;
    opacity: 0.5;
    transition: opacity 0.3s ease;
}

.toggle-password:hover img {
    opacity: 1;
}

.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.remember-me {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.forgot-password {
    color: var(--primary-color);
    text-decoration: none;
    font-size: 0.9rem;
}

.auth-button {
    width: 100%;
    padding: 1rem;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.auth-button:hover {
    background-color: #0062c4;
}

.auth-divider {
    text-align: center;
    margin: 1.5rem 0;
    position: relative;
}

.auth-divider::before,
.auth-divider::after {
    content: '';
    position: absolute;
    top: 50%;
    width: calc(50% - 30px);
    height: 1px;
    background: #ddd;
}

.auth-divider::before {
    left: 0;
}

.auth-divider::after {
    right: 0;
}

.auth-divider span {
    background: white;
    padding: 0 1rem;
    color: var(--gray-dark);
}

.social-login {
    margin-bottom: 1.5rem;
}

.social-button {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid #ddd;
    border-radius: 8px;
    background: white;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.social-button img {
    width: 24px;
}

.social-button.wechat:hover {
    background-color: #f5f5f5;
}

.auth-footer {
    text-align: center;
    margin-top: 2rem;
}

.auth-footer a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
}

/* 响应式调整 */
@media (max-width: 480px) {
    .auth-box {
        padding: 2rem 1.5rem;
    }
}

/* 添加图片加载状态样式 */
img[data-dynamic="true"] {
    opacity: 0;
    transition: opacity 0.3s ease;
    min-height: 200px;
    background: #f5f5f7;
}

img[data-dynamic="true"].loaded {
    opacity: 1;
}

/* 移动菜单样式 */
.hamburger {
    display: none;
    cursor: pointer;
    padding: 10px;
}

@media (max-width: 768px) {
    .hamburger {
        display: block;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: white;
        padding: 1rem;
        box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    }

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

    .nav-links li {
        margin: 1rem 0;
    }
}

/* 图片加载状态样式 */
.loading-placeholder {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
    min-height: 200px;
    display: block;
}

.loaded {
    animation: fadeIn 0.3s ease-out;
}

@keyframes loading {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* 新闻卡片样式优化 */
.news-card.large {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    margin-bottom: 2rem;
    transition: transform 0.3s ease;
}

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

.news-card.large img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    transition: opacity 0.3s ease;
}

.news-text {
    padding: 1.5rem;
}

.news-text h3 {
    font-size: 1.5rem;
    color: var(--secondary-color);
    margin: 0.5rem 0;
}

.news-text p {
    color: var(--gray-dark);
    margin-bottom: 1rem;
}

.news-date {
    color: var(--gray-dark);
    font-size: 0.9rem;
}

/* 技术优势卡片 */
.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.tech-card {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

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

.tech-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.tech-content {
    padding: 1.5rem;
}

.tech-content h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--secondary-color);
}

/* 成就数字展示 */
.achievements-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.achievement-card {
    text-align: center;
    padding: 2rem;
    background: white;
    border-radius: 15px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

.achievement-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.achievement-text {
    color: var(--gray-dark);
    font-size: 1.1rem;
}

/* 合作伙伴展示 */
.partners-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.partner-card {
    background: white;
    padding: 1.5rem;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s ease;
}

.partner-card:hover {
    transform: scale(1.05);
}

.partner-card img {
    max-width: 100%;
    height: auto;
    filter: grayscale(100%);
    transition: filter 0.3s ease;
}

.partner-card:hover img {
    filter: grayscale(0%);
}

/* 图片加载状态 */
.loading-placeholder {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
    min-height: 200px;
}

.fade-in {
    animation: fadeIn 0.5s ease-out;
}

@keyframes loading {
    0% {
        background-position: -200% 0;
    }
    100% {
        background-position: 200% 0;
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* 新闻展示样式 */
.news-showcase {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 2rem;
    margin-top: 3rem;
}

.news-featured-card {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 15px 30px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

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

.featured-image {
    width: 100%;
    height: 300px;
    object-fit: cover;
}

.featured-content {
    padding: 2rem;
}

.news-tag {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: var(--primary-color);
    color: white;
    border-radius: 20px;
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.news-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.news-item {
    background: white;
    padding: 1.5rem;
    border-radius: 15px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.05);
    transition: transform 0.3s ease;
}

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

/* 业务范围展示样式 */
.services-showcase {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.service-category {
    background: white;
    padding: 2rem;
    border-radius: 20px;
    box-shadow: 0 15px 30px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

.service-category:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.15);
}

.category-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.category-icon {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gray-light);
    border-radius: 12px;
}

.category-icon img {
    width: 30px;
    height: 30px;
}

.category-list {
    list-style: none;
    padding: 0;
}

.category-list li {
    padding: 0.8rem 0;
    border-bottom: 1px solid var(--gray-light);
    color: var(--gray-dark);
}

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

.services-cta {
    text-align: center;
    margin-top: 3rem;
}

/* 更新按钮样式 */
.hero-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    margin-top: 2rem;
}

.cta-button {
    display: inline-block;
    padding: 1rem 2rem;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    min-width: 160px;
    text-align: center;
}

.cta-button.primary {
    background: linear-gradient(45deg, var(--primary-color), #40bcff);
    color: white;
    border: none;
}

.cta-button.outline {
    background: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
}

.cta-button.secondary {
    background: var(--secondary-color);
    color: white;
    border: none;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 113, 227, 0.2);
}

/* 响应式调整 */
@media (max-width: 768px) {
    .hero-buttons {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
    }

    .cta-button {
        width: 100%;
        max-width: 300px;
    }
}

/* 页脚样式更新 */
.main-footer {
    background: var(--secondary-color);
    color: white;
    padding: 4rem 0 2rem;
    margin-top: 4rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-section h3 {
    color: white;
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
    position: relative;
}

.footer-section h3::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -8px;
    width: 40px;
    height: 2px;
    background: var(--primary-color);
}

.footer-section p {
    color: var(--gray-light);
    line-height: 1.6;
}

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

.contact-list li {
    color: var(--gray-light);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.footer-links {
    list-style: none;
    padding: 0;
}

.footer-links li {
    margin-bottom: 0.8rem;
}

.footer-links a {
    color: var(--gray-light);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.social-links {
    display: flex;
    gap: 1rem;
}

.social-link {
    color: var(--gray-light);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: color 0.3s ease;
}

.social-link:hover {
    color: var(--primary-color);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
    margin-top: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

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

.footer-info p {
    margin: 0.5rem 0;
}

.footer-links-bottom {
    display: flex;
    gap: 2rem;
}

.footer-links-bottom a {
    color: var(--gray-light);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

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

/* 响应式调整 */
@media (max-width: 768px) {
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }

    .footer-links-bottom {
        justify-content: center;
    }
}