/* 基础重置和全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Microsoft YaHei', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
    background-color: #f8f9fa;
}

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

.section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 36px;
    color: #2c3e50;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 20px;
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: #3498db;
}

.section-header p {
    font-size: 18px;
    color: #7f8c8d;
    max-width: 700px;
    margin: 0 auto;
}

.btn {
    display: inline-block;
    padding: 15px 35px;
    background: linear-gradient(135deg, #3498db, #2980b9);
    color: #fff;
    text-decoration: none;
    border-radius: 30px;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 16px;
    font-weight: 600;
    box-shadow: 0 5px 15px rgba(52, 152, 219, 0.3);
    position: relative;
    overflow: hidden;
}

.btn:hover {
    background: linear-gradient(135deg, #2980b9, #2573a7);
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(52, 152, 219, 0.5);
}

.btn-secondary {
    background: transparent;
    color: #3498db;
    border: 2px solid #3498db;
    box-shadow: 0 5px 15px rgba(52, 152, 219, 0.2);
}

.btn-secondary:hover {
    background: rgba(52, 152, 219, 0.1);
    box-shadow: 0 10px 25px rgba(52, 152, 219, 0.3);
}

/* 导航栏样式 */
.navbar {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    transition: all 0.3s ease;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
}

.nav-brand {
    display: flex;
    align-items: center;
}

.logo-link {
    display: flex;
    align-items: center;
    text-decoration: none;
    position: relative;
}

.logo-link::before {
    content: '';
    position: absolute;
    top: -5px;
    left: -5px;
    right: -5px;
    bottom: -5px;
    background: linear-gradient(135deg, #3498db, #2c3e50);
    border-radius: 12px;
    z-index: -1;
    opacity: 0.1;
}

.logo-text {
    font-size: 32px;
    font-weight: 800;
    background: linear-gradient(135deg, #3498db, #2c3e50);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-decoration: none;
    letter-spacing: 1px;
    position: relative;
    padding: 5px 15px;
}

.logo-text::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 15px;
    right: 15px;
    height: 3px;
    background: linear-gradient(90deg, #3498db, #2c3e50);
    border-radius: 3px;
}

.logo-text-sub {
    font-size: 14px;
    color: #7f8c8d;
    margin-left: 12px;
    font-weight: 500;
    background: #f8f9fa;
    padding: 3px 10px;
    border-radius: 20px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.nav-links {
    display: flex;
    align-items: center;
    list-style: none;
}

.nav-links a {
    text-decoration: none;
    color: #7f8c8d;
    font-weight: 500;
    margin-left: 25px;
    transition: all 0.3s;
    position: relative;
    padding: 5px 0;
}

.nav-links a:hover {
    color: #3498db;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: #3498db;
    transition: width 0.3s ease;
}

.nav-links a:hover::after {
    width: 100%;
}

.cta-btn {
    background: linear-gradient(135deg, #3498db, #2980b9);
    color: #fff !important;
    padding: 12px 25px;
    border-radius: 30px;
    box-shadow: 0 5px 15px rgba(52, 152, 219, 0.3);
    font-weight: 600;
    margin-left: 25px;
    transition: all 0.3s ease;
}

.cta-btn:hover {
    background: linear-gradient(135deg, #2980b9, #2573a7);
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(52, 152, 219, 0.5);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.mobile-menu-btn span {
    width: 25px;
    height: 3px;
    background: #3498db;
    margin: 3px 0;
    transition: 0.3s;
}

/* 英雄区域 */
.hero {
    background: linear-gradient(135deg, #3498db 0%, #2c3e50 100%);
    height: 100vh;
    display: flex;
    align-items: center;
    color: #fff;
    margin-top: 0;
    position: relative;
    overflow: hidden;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
}

.hero .container {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.hero-content {
    padding-right: 30px;
}

.hero-title {
    font-size: 48px;
    margin-bottom: 25px;
    animation: fadeInDown 1s ease;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 24px;
    margin-bottom: 25px;
    opacity: 0.9;
}

.hero-description {
    font-size: 18px;
    margin-bottom: 40px;
    line-height: 1.8;
    opacity: 0.9;
}

.hero-actions {
    display: flex;
    gap: 25px;
    margin-bottom: 30px;
}

.hero-contact {
    background: rgba(0, 0, 0, 0.2);
    padding: 20px;
    border-radius: 10px;
    backdrop-filter: blur(10px);
}

.hero-contact p {
    margin-bottom: 10px;
    display: flex;
    align-items: center;
}

.hero-contact p:last-child {
    margin-bottom: 0;
}

.hero-contact i {
    margin-right: 10px;
    width: 20px;
}

.hero-contact strong {
    color: #fff;
    font-weight: 600;
}

.hero-image {
    position: relative;
}

.hero-image::before {
    content: '';
    position: absolute;
    top: -20px;
    left: -20px;
    right: 20px;
    bottom: 20px;
    border: 2px solid #fff;
    border-radius: 10px;
    z-index: -1;
    opacity: 0.5;
}

.hero-image img {
    width: 100%;
    border-radius: 10px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.3);
    height: 400px;
    object-fit: cover;
}

/* 服务内容 */
.services {
    background-color: #fff;
}

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

.service-card {
    background: #f8f9fa;
    border-radius: 15px;
    padding: 40px 30px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    border: 1px solid #eee;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.service-icon {
    font-size: 48px;
    margin-bottom: 25px;
    color: #3498db;
}

.service-card h3 {
    font-size: 22px;
    margin-bottom: 20px;
    color: #2c3e50;
}

.service-card p {
    color: #7f8c8d;
    line-height: 1.7;
}

/* 办理流程 */
.process {
    background: linear-gradient(135deg, #f8f9fa 0%, #fff 100%);
}

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

.process-step {
    display: flex;
    margin-bottom: 30px;
    position: relative;
}

.process-step:last-child {
    margin-bottom: 0;
}

.process-step:not(:last-child)::after {
    content: '';
    position: absolute;
    top: 40px;
    left: 25px;
    width: 2px;
    height: calc(100% + 10px);
    background: #3498db;
}

.step-number {
    width: 50px;
    height: 50px;
    background: #3498db;
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: bold;
    margin-right: 25px;
    flex-shrink: 0;
    z-index: 2;
}

.step-content h3 {
    font-size: 22px;
    margin-bottom: 15px;
    color: #2c3e50;
}

.step-content p {
    color: #7f8c8d;
    line-height: 1.7;
}

/* 服务优势 */
.advantages {
    background-color: #fff;
}

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

.advantage-card {
    background: #f8f9fa;
    border-radius: 15px;
    padding: 40px 30px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    border: 1px solid #eee;
}

.advantage-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.advantage-icon {
    font-size: 48px;
    margin-bottom: 25px;
    color: #3498db;
}

.advantage-card h3 {
    font-size: 22px;
    margin-bottom: 20px;
    color: #2c3e50;
}

.advantage-card p {
    color: #7f8c8d;
    line-height: 1.7;
}

/* 关于我们 */
.about {
    background: linear-gradient(135deg, #f8f9fa 0%, #fff 100%);
    position: relative;
    overflow: hidden;
}

.about::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at top right, rgba(52, 152, 219, 0.05) 0%, transparent 30%);
    z-index: 1;
}

.about .container {
    position: relative;
    z-index: 2;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-text h3 {
    font-size: 26px;
    color: #2c3e50;
    margin: 30px 0 20px;
    position: relative;
    padding-left: 20px;
}

.about-text h3:first-child {
    margin-top: 0;
}

.about-text h3::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 20px;
    background: #3498db;
    border-radius: 2px;
}

.about-text p {
    color: #7f8c8d;
    line-height: 1.8;
    margin-bottom: 20px;
    font-size: 16px;
}

.about-image {
    position: relative;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.about-image::before {
    content: '';
    position: absolute;
    top: -10px;
    left: -10px;
    right: 10px;
    bottom: 10px;
    border: 2px solid #3498db;
    border-radius: 15px;
    z-index: -1;
    opacity: 0.3;
}

.about-image img {
    width: 100%;
    border-radius: 10px;
    height: 450px;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.about-image:hover img {
    transform: scale(1.03);
}

/* 成功案例 */
.cases {
    background-color: #fff;
}

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

.case-card {
    background: #f8f9fa;
    border-radius: 15px;
    padding: 30px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    border: 1px solid #eee;
}

.case-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.case-image {
    width: 100%;
    height: 180px;
    border-radius: 10px;
    overflow: hidden;
    margin-bottom: 20px;
}

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

.case-card:hover .case-image img {
    transform: scale(1.05);
}

.case-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid #eee;
}

.case-header h3 {
    font-size: 20px;
    color: #2c3e50;
}

.case-amount {
    font-size: 22px;
    font-weight: bold;
    color: #3498db;
}

.case-content p {
    color: #7f8c8d;
    line-height: 1.7;
    margin-bottom: 20px;
}

.case-details {
    display: flex;
    justify-content: space-between;
    font-size: 14px;
    color: #95a5a6;
}

.case-details i {
    margin-right: 5px;
    color: #3498db;
}

/* 客户评价 */
.testimonials {
    background: linear-gradient(135deg, #f8f9fa 0%, #fff 100%);
}

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

.testimonial-card {
    background: #fff;
    border-radius: 15px;
    padding: 35px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
    text-align: center;
    border: 1px solid #eee;
    position: relative;
}

.testimonial-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    overflow: hidden;
    margin: 0 auto 20px;
    border: 3px solid #3498db;
}

.testimonial-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.testimonial-stars {
    color: #f1c40f;
    font-size: 24px;
    margin-bottom: 25px;
}

.testimonial-text {
    font-style: italic;
    font-size: 16px;
    color: #7f8c8d;
    line-height: 1.8;
    margin-bottom: 25px;
}

.testimonial-author {
    display: flex;
    justify-content: center;
}

.author-info {
    text-align: left;
}

.author-info h4 {
    color: #3498db;
    margin-bottom: 5px;
}

.author-info span {
    color: #95a5a6;
    font-size: 14px;
}

/* 常见问题 */
.faq {
    background-color: #fff;
}

.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: #f8f9fa;
    border-radius: 10px;
    margin-bottom: 20px;
    overflow: hidden;
    border: 1px solid #eee;
}

.faq-question {
    padding: 25px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background-color 0.3s;
    border-bottom: 1px solid transparent;
}

.faq-item.active .faq-question {
    border-bottom: 1px solid #eee;
    background: #fff;
}

.faq-question:hover {
    background: #fff;
}

.faq-question h3 {
    font-size: 18px;
    color: #2c3e50;
    margin: 0;
    flex: 1;
}

.faq-question i {
    transition: transform 0.3s;
    color: #3498db;
}

.faq-item.active .faq-question i {
    transform: rotate(45deg);
}

.faq-answer {
    padding: 0 25px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
}

.faq-item.active .faq-answer {
    padding: 25px;
    max-height: 300px;
}

.faq-answer p {
    color: #7f8c8d;
    line-height: 1.7;
    margin: 0;
}

/* 联系我们 */
.contact {
    background: linear-gradient(135deg, #3498db 0%, #2c3e50 100%);
    color: #fff;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.contact-info .section-header h2 {
    color: #fff;
}

.contact-info .section-header p {
    color: #ecf0f1;
}

.contact-methods {
    display: grid;
    gap: 30px;
}

.contact-method {
    display: flex;
    align-items: flex-start;
}

.method-icon {
    font-size: 32px;
    color: #fff;
    margin-right: 20px;
    width: 50px;
}

.method-content h4 {
    font-size: 20px;
    margin-bottom: 10px;
    color: #fff;
}

.method-content p {
    font-size: 18px;
    margin-bottom: 5px;
}

.method-content span {
    font-size: 14px;
    color: #ecf0f1;
    opacity: 0.8;
}

.contact-qr {
    text-align: center;
}

.qr-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    padding: 40px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.qr-card h3 {
    font-size: 22px;
    margin-bottom: 30px;
}

.qr-placeholder {
    width: 220px;
    height: 220px;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 10px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin: 0 auto 30px;
    border: 2px dashed rgba(255, 255, 255, 0.3);
}

.qr-placeholder i {
    font-size: 64px;
    margin-bottom: 15px;
    color: #fff;
}

.qr-placeholder p {
    font-size: 20px;
    margin-bottom: 10px;
}

.qr-placeholder span {
    font-size: 16px;
    opacity: 0.8;
}

.qr-description {
    line-height: 1.7;
    font-size: 16px;
}

/* 页脚 */
.footer {
    background: #2c3e50;
    color: #ecf0f1;
    padding: 70px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h4 {
    font-size: 20px;
    margin-bottom: 25px;
    color: #fff;
    position: relative;
    padding-bottom: 10px;
}

.footer-section h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background: #3498db;
}

.footer-brand {
    display: flex;
    align-items: center;
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 20px;
    color: #fff;
}

.footer-brand i {
    margin-right: 10px;
}

.footer-section p {
    color: #bdc3c7;
    line-height: 1.7;
    margin-bottom: 25px;
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 45px;
    height: 45px;
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    border-radius: 50%;
    text-decoration: none;
    transition: all 0.3s ease;
    font-size: 18px;
}

.social-links a:hover {
    background: #3498db;
    transform: translateY(-3px);
}

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

.footer-section ul li {
    margin-bottom: 15px;
}

.footer-section ul li a {
    color: #bdc3c7;
    text-decoration: none;
    transition: color 0.3s;
    display: flex;
    align-items: center;
}

.footer-section ul li a:hover {
    color: #3498db;
}

.footer-section ul li a i {
    margin-right: 10px;
    width: 20px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 20px;
}

.contact-item i {
    width: 20px;
    margin-right: 10px;
    color: #3498db;
    margin-top: 5px;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 25px;
    text-align: center;
    font-size: 14px;
    color: #95a5a6;
}

/* 友情链接 */

.friend-links-section {
    background-color: #fff;
    padding: 60px 0;
}

.friend-links-container {
    max-width: 1000px;
    margin: 0 auto;
    text-align: center;
}

.friend-links-list {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
    padding: 0;
    margin: 0;
}

.friend-links-list li {
    margin: 10px 0;
}

.friend-links-list a {
    display: block;
    padding: 10px 20px;
    background: #f8f9fa;
    color: #7f8c8d;
    text-decoration: none;
    border-radius: 30px;
    transition: all 0.3s ease;
    border: 1px solid #eee;
}

.friend-links-list a:hover {
    background: #3498db;
    color: #fff;
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(52, 152, 219, 0.3);
}

/* 回到顶部按钮 */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: #3498db;
    color: #fff;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
    opacity: 0;
    visibility: hidden;
    z-index: 999;
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: #2980b9;
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
}

/* 动画效果 */
@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 响应式设计 */
@media (max-width: 992px) {
    .section {
        padding: 80px 0;
    }
    
    .section-header h2 {
        font-size: 32px;
    }
    
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-content {
        padding-right: 0;
        margin-bottom: 50px;
    }
    
    .hero-actions {
        justify-content: center;
    }
    
    .contact-content,
    .process-steps,
    .about-content,
    .news-grid {
        grid-template-columns: 1fr;
        gap: 50px;
    }
    
    .process-step:not(:last-child)::after {
        display: none;
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }
    
    .hero-title {
        font-size: 40px;
    }
    
    .hero-subtitle {
        font-size: 20px;
    }
    
    .news-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 25px;
    }
}

@media (max-width: 768px) {
    .navbar {
        padding: 0;
    }
    
    .navbar .container {
        padding: 15px 0;
    }
    
    .nav-links {
        position: fixed;
        top: 72px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 72px);
        background: rgba(255, 255, 255, 0.98);
        flex-direction: column;
        align-items: center;
        padding-top: 50px;
        transition: left 0.3s ease;
        backdrop-filter: blur(10px);
        border-top: 1px solid #eee;
        z-index: 1000;
    }
    
    .nav-links.active {
        left: 0;
    }
    
    .nav-links a {
        margin: 15px 0;
        font-size: 18px;
        padding: 10px 0;
    }
    
    .cta-btn {
        margin: 20px 0 0;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .logo-text {
        font-size: 26px;
    }
    
    .logo-text-sub {
        font-size: 12px;
        margin-left: 8px;
        padding: 2px 8px;
    }
    
    .hero {
        height: auto;
        min-height: 500px;
        padding: 100px 0 60px;
    }
    
    .hero-title {
        font-size: 32px;
    }
    
    .hero-subtitle {
        font-size: 18px;
    }
    
    .hero-description {
        font-size: 16px;
    }
    
    .hero-actions {
        flex-direction: column;
        gap: 15px;
    }
    
    .section-header h2 {
        font-size: 28px;
    }
    
    .services-grid,
    .advantages-grid,
    .cases-grid,
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .qr-placeholder {
        width: 180px;
        height: 180px;
    }
    
    .about-content {
        gap: 40px;
    }
    
    .news-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 25px;
    }
    
    .news-card {
        margin-bottom: 10px;
    }
}

@media (max-width: 576px) {
    .container {
        padding: 0 15px;
    }
    
    .section {
        padding: 60px 0;
    }
    
    .hero {
        padding: 90px 0 40px;
    }
    
    .hero-title {
        font-size: 28px;
    }
    
    .hero-subtitle {
        font-size: 16px;
    }
    
    .section-header h2 {
        font-size: 24px;
    }
    
    .btn {
        padding: 12px 25px;
        font-size: 14px;
    }
    
    .case-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
    
    .case-amount {
        font-size: 18px;
    }
    
    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 40px;
        height: 40px;
        font-size: 16px;
    }
    
    .qr-card {
        padding: 30px 20px;
    }
    
    .qr-placeholder {
        width: 150px;
        height: 150px;
    }
    
    .qr-placeholder i {
        font-size: 48px;
    }
    
    .process-step {
        flex-direction: column;
        text-align: center;
    }
    
    .step-number {
        margin: 0 auto 20px;
    }
    
    .step-content {
        padding: 0 10px;
    }
    
    .about-image img,
    .hero-image img {
        height: 280px;
    }
    
    .news-grid {
        grid-template-columns: 1fr;
    }
    
    .news-image {
        height: 200px;
    }
}

/* 新闻资讯 */
.news {
    background: linear-gradient(135deg, #fff 0%, #f8f9fa 100%);
    position: relative;
    overflow: hidden;
}

.news::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at bottom left, rgba(52, 152, 219, 0.05) 0%, transparent 30%);
    z-index: 1;
}

.news .container {
    position: relative;
    z-index: 2;
}

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

.news-card {
    background: #fff;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    transition: all 0.4s ease;
    border: 1px solid rgba(52, 152, 219, 0.1);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.news-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(52, 152, 219, 0.2);
}

.news-content {
    padding: 30px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.news-title {
    font-size: 20px;
    margin-bottom: 15px;
    color: #2c3e50;
}

.news-title a {
    color: inherit;
    text-decoration: none;
    transition: color 0.3s ease;
    font-weight: 600;
}

.news-title a:hover {
    color: #3498db;
}

.news-excerpt {
    color: #7f8c8d;
    line-height: 1.7;
    margin-bottom: 20px;
    flex-grow: 1;
}

.news-meta {
    display: flex;
    justify-content: space-between;
    font-size: 14px;
    color: #95a5a6;
    padding-top: 15px;
    border-top: 1px solid #eee;
}

.news-meta i {
    margin-right: 5px;
    color: #3498db;
}