/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-blue: #3b82f6;
    --primary-blue-dark: #3b82f6;
    --primary-blue-light: #3b82f6;
    --secondary-blue: #3b82f6;
    --accent-blue: #3b82f6;
    --blue-gradient: linear-gradient(135deg, #3b82f6 0%, #3b82f6 100%);
    --blue-gradient-light: linear-gradient(135deg, #3b82f6 0%, #3b82f6 100%);
    --banner-gradient: #3b82f6;
    --banner-gradient-alt: #3b82f6;
    --text-dark: #374151;
    --text-light: #6b7280;
    --background-light: #f9fafb;
    --background-white: #ffffff;
    --border-light: #e5e7eb;
    --shadow-light: rgba(59, 130, 246, 0.08);
    --shadow-medium: rgba(59, 130, 246, 0.12);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--background-white);
}

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

/* 头部导航 */
.header {
    background: #fff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
}

.logo {
    display: flex;
    align-items: center;
}

.logo-img {
    width: 40px;
    height: 40px;
    margin-right: 10px;
}

.logo-text {
    font-size: 20px;
    font-weight: 600;
    color: var(--primary-blue);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-list {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-link {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: color 0.3s;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-blue);
}

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

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: #333;
    margin: 3px 0;
    transition: 0.3s;
}

/* 页面标题 */
.page-header {
    background: var(--primary-blue);
    color: white;
    padding: 120px 0 60px;
    text-align: center;
    margin-top: 70px;
}

.page-title {
    font-size: 36px;
    margin-bottom: 10px;
    font-weight: 600;
}

.page-subtitle {
    font-size: 18px;
    opacity: 0.9;
}

/* Banner区域 */
.banner {
    background: var(--blue-gradient);
    color: white;
    padding: 100px 0;
    text-align: center;
}

.banner h1 {
    font-size: 42px;
    margin-bottom: 15px;
    font-weight: 700;
}

.banner p {
    font-size: 20px;
    margin-bottom: 30px;
    opacity: 0.9;
}

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

.btn {
    display: inline-block;
    padding: 15px 30px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    cursor: pointer;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(59, 130, 246, 0.25);
    background: var(--primary-blue-light);
}

.btn-secondary {
    background: transparent;
    color: var(--primary-blue);
    border: 2px solid var(--primary-blue);
}

.btn-secondary:hover {
    background: var(--primary-blue);
    color: white;
}

/* 服务特点 */
.features {
    padding: 80px 0;
    background: var(--background-light);
}

.section-title {
    text-align: center;
    font-size: 32px;
    margin-bottom: 50px;
    color: var(--text-dark);
}

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

.feature-card {
    background: var(--background-white);
    padding: 40px 30px;
    border-radius: 12px;
    box-shadow: 0 2px 12px rgba(59, 130, 246, 0.08);
    text-align: center;
    transition: all 0.3s;
    border: 1px solid rgba(59, 130, 246, 0.1);
}

.feature-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(59, 130, 246, 0.15);
}

.feature-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 20px;
    background: var(--primary-blue);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 24px;
}

.feature-card h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: #333;
}

.feature-card p {
    color: #666;
    line-height: 1.6;
}

/* 费率说明 */
.pricing {
    padding: 80px 0;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.pricing-card {
    background: white;
    border: 1px solid rgba(59, 130, 246, 0.15);
    border-radius: 12px;
    padding: 30px;
    text-align: center;
    transition: all 0.3s;
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.05);
}

.pricing-card:hover {
    box-shadow: 0 8px 24px rgba(59, 130, 246, 0.12);
    transform: translateY(-3px);
    border-color: rgba(59, 130, 246, 0.3);
}

.pricing-card h3 {
    font-size: 18px;
    margin-bottom: 15px;
    color: #333;
}

.price {
    font-size: 36px;
    font-weight: 700;
    color: var(--primary-blue);
    margin-bottom: 10px;
}

.price-desc {
    color: #666;
    margin-bottom: 20px;
}

.pricing-features {
    list-style: none;
    text-align: left;
}

.pricing-features li {
    padding: 8px 0;
    color: #666;
}

.pricing-features li:before {
    content: "�?;
    color: var(--primary-blue);
    margin-right: 10px;
}

.pricing-note {
    background: #f8f9fa;
    padding: 30px;
    border-radius: 10px;
    margin-top: 40px;
}

.pricing-note h3 {
    margin-bottom: 15px;
    color: #333;
}

.pricing-note ul {
    list-style: none;
}

.pricing-note li {
    padding: 5px 0;
    color: #666;
}

.pricing-note li:before {
    content: "�?;
    color: var(--primary-blue);
    margin-right: 10px;
}

/* 开通流�?*/
.process {
    padding: 80px 0;
    background: #f8f9fa;
}

.process-steps {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 30px;
    flex-wrap: wrap;
}

.step {
    flex: 1;
    min-width: 200px;
    text-align: center;
    position: relative;
}

.step:not(:last-child):after {
    content: "�?;
    position: absolute;
    right: -15px;
    top: 30px;
    font-size: 24px;
    color: var(--primary-blue);
}

.step-number {
    width: 60px;
    height: 60px;
    background: var(--primary-blue);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 24px;
    font-weight: 700;
}

.step h3 {
    font-size: 18px;
    margin-bottom: 10px;
    color: #333;
}

.step p {
    color: #666;
    font-size: 14px;
}

/* 成功案例 */
.cases {
    padding: 80px 0;
}

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

.case-card {
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}

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

.case-image {
    width: 100%;
    height: 200px;
    background: #f0f0f0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #999;
    border-radius: 8px;
    margin-bottom: 1rem;
}

.case-placeholder {
    width: 100%;
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-blue-dark));
    color: white;
    font-size: 1.5rem;
    font-weight: bold;
    border-radius: 8px;
    margin-bottom: 1rem;
}

.case-content {
    padding: 25px;
}

.case-content h3 {
    font-size: 18px;
    margin-bottom: 10px;
    color: #333;
}

.case-content p {
    color: #666;
    margin-bottom: 10px;
}

.case-result {
    color: var(--primary-blue);
    font-weight: 600;
}

/* 关于我们 */
.about {
    padding: 80px 0;
    background: #f8f9fa;
}

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

.about-text h2 {
    font-size: 32px;
    margin-bottom: 20px;
    color: #333;
}

.about-text p {
    color: #666;
    margin-bottom: 15px;
    line-height: 1.8;
}

.about-image {
    text-align: center;
}

.about-image img {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
}

.about-placeholder {
    width: 100%;
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-blue-dark));
    color: white;
    font-size: 2rem;
    font-weight: bold;
    border-radius: 8px;
}

/* 联系方式 */
.contact {
    padding: 80px 0;
}

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

.contact-info h3 {
    font-size: 24px;
    margin-bottom: 20px;
    color: #333;
}

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

.contact-icon {
    width: 50px;
    height: 50px;
    background: var(--primary-blue);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 15px;
    font-size: 1.5rem;
    color: white;
}

.contact-item span {
    font-size: 16px;
    color: #333;
}

.contact-item a {
    color: var(--primary-blue);
    text-decoration: none;
}

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

.qr-code img {
    width: 200px;
    height: 200px;
    border: 1px solid #e0e0e0;
    margin-bottom: 10px;
}

.qr-code p {
    color: #666;
}

/* 页脚 */
.footer {
    background: #333;
    color: white;
    padding: 50px 0 20px;
}

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

.footer-info h3 {
    font-size: 20px;
    margin-bottom: 15px;
}

.footer-links h4,
.footer-contact h4 {
    font-size: 18px;
    margin-bottom: 15px;
}

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

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

.footer-links a {
    color: #ffffff;
    text-decoration: none;
    transition: color 0.3s;
}

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

.footer-section ul li a {
    color: #ffffff;
    text-decoration: none;
    transition: color 0.3s;
}

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

.footer-contact p {
    margin-bottom: 10px;
    color: #ccc;
}

.footer-contact a {
    color: white;
    text-decoration: none;
    transition: color 0.3s;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid #555;
    color: #999;
}

/* 服务详情页样�?*/
.service-detail {
    padding: 80px 0;
}

.service-detail a {
    color: #3b82f6;
    font-weight: 600;
}

.service-detail a:hover {
    color: #60a5fa;
}

.service-intro {
    text-align: center;
    margin-bottom: 60px;
}

.service-intro h2 {
    font-size: 32px;
    margin-bottom: 20px;
    color: #333;
}

.service-intro p {
    font-size: 18px;
    color: #666;
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.8;
}

.service-features h3,
.service-scenarios h3,
.service-tech h3 {
    font-size: 28px;
    margin-bottom: 30px;
    color: #333;
    text-align: center;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
}

.feature-item {
    background: white;
    border: 1px solid #e0e0e0;
    border-radius: 10px;
    padding: 30px;
    transition: all 0.3s;
}

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

.feature-icon {
    width: 50px;
    height: 50px;
    margin-bottom: 20px;
}

.feature-icon img.payment-icon {
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  color: var(--primary-color);
}

.icon-text {
  font-size: 2.5rem;
  display: block;
  text-align: center;
}

.feature-content h4 {
    font-size: 20px;
    margin-bottom: 15px;
    color: #333;
}

.feature-content p {
    color: #666;
    margin-bottom: 15px;
    line-height: 1.6;
}

.feature-content ul {
    list-style: none;
    margin-left: 0;
}

.feature-content li {
    color: #666;
    padding: 5px 0;
    position: relative;
    padding-left: 20px;
}

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

.scenarios-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
}

.scenario-card {
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}

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

.scenario-card img {
    width: 100%;
    height: 150px;
    object-fit: cover;
    background: #f0f0f0;
}

.scenario-placeholder {
    width: 100%;
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-blue-dark));
    color: white;
    font-size: 1.5rem;
    font-weight: bold;
    border-radius: 8px;
    margin-bottom: 1rem;
}

.scenario-card h4 {
    font-size: 18px;
    margin: 20px 20px 10px;
    color: #333;
}

.scenario-card p {
    color: #666;
    margin: 0 20px 20px;
    line-height: 1.6;
    font-size: 14px;
}

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

.tech-item {
    background: #f8f9fa;
    border-radius: 10px;
    padding: 30px;
}

.tech-item h4 {
    font-size: 20px;
    margin-bottom: 15px;
    color: #333;
}

.tech-item ul {
    list-style: none;
}

.tech-item li {
    color: #666;
    padding: 8px 0;
    position: relative;
    padding-left: 20px;
}

.tech-item li:before {
    content: "�?;
    color: var(--primary-blue);
    position: absolute;
    left: 0;
}

/* 价格详情页样�?*/
.pricing-detail {
    padding: 80px 0;
    background: #f8f9fa;
}

.pricing-table {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 50px;
}

.price-card {
    background: white;
    border-radius: 10px;
    padding: 40px 30px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}

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

.price-card h3 {
    font-size: 20px;
    margin-bottom: 20px;
    color: #333;
}

.price {
    font-size: 48px;
    font-weight: 700;
    color: var(--primary-blue);
    margin-bottom: 10px;
}

.price-rate {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.rate-item {
    font-size: 18px;
    color: var(--primary-blue);
    font-weight: 600;
}

.price-desc {
    color: #666;
    margin-top: 10px;
}

/* 售后服务样式 */
.after-sales {
    padding: 80px 0;
}

.service-tabs {
    margin-bottom: 50px;
}

.tab-content h3 {
    font-size: 24px;
    margin-bottom: 30px;
    color: #333;
}

.support-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
}

.support-item {
    text-align: center;
    padding: 20px;
    background: #f8f9fa;
    border-radius: 10px;
}

.support-item h4 {
    font-size: 18px;
    margin-bottom: 10px;
    color: #333;
}

.support-item p {
    color: #666;
}

.service-promises {
    margin-top: 50px;
}

.service-promises h3 {
    font-size: 24px;
    margin-bottom: 30px;
    color: #333;
    text-align: center;
}

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

.promise-card {
    background: white;
    border: 1px solid #e0e0e0;
    border-radius: 10px;
    padding: 30px;
    text-align: center;
    transition: all 0.3s;
}

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

.promise-card h4 {
    font-size: 18px;
    margin-bottom: 15px;
    color: #333;
}

.promise-card p {
    color: #666;
    line-height: 1.6;
}

/* 客诉解决机制样式 */
.complaint-resolution {
    padding: 80px 0;
    background: #f8f9fa;
}

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

.complaint-channels h3,
.process-timeline h3 {
    font-size: 24px;
    margin-bottom: 30px;
    color: #333;
    text-align: center;
}

.channels-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.channel-item {
    background: white;
    border-radius: 10px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}

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

.channel-icon {
    width: 50px;
    height: 50px;
    margin: 0 auto 15px;
}

.channel-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.channel-item h4 {
    font-size: 16px;
    margin-bottom: 10px;
    color: #333;
}

.channel-item p {
    color: #666;
    font-size: 14px;
}

.timeline {
    position: relative;
    padding-left: 30px;
}

.timeline:before {
    content: '';
    position: absolute;
    left: 15px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--primary-blue);
}

.timeline-item {
    position: relative;
    margin-bottom: 30px;
    padding-left: 40px;
}

.timeline-marker {
    position: absolute;
    left: -25px;
    top: 0;
    width: 30px;
    height: 30px;
    background: var(--primary-blue);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 14px;
}

.timeline-content h4 {
    font-size: 18px;
    margin-bottom: 5px;
    color: #333;
}

.timeline-content p {
    color: #666;
    font-size: 14px;
}

/* 产品购买区域 */
.product-purchase {
    padding: 80px 0;
    background: var(--background-light);
}

.product-purchase .container {
    max-width: 1200px;
    margin: 0 auto;
}

/* 价格网格布局 */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.pricing-card {
    background: var(--background-white);
    border-radius: 20px;
    box-shadow: 0 5px 20px var(--shadow-light);
    padding: 30px;
    position: relative;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 2px solid transparent;
}

.pricing-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px var(--shadow-medium);
}

.pricing-card.featured {
    border-color: var(--primary-blue);
    transform: scale(1.05);
    z-index: 1;
}

.pricing-card.featured:hover {
    transform: scale(1.05) translateY(-5px);
}

.product-badge {
    position: absolute;
    top: -10px;
    right: 20px;
    background: var(--primary-blue);
    color: white;
    padding: 5px 15px;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: bold;
}

.price-desc {
    color: var(--text-light);
    font-size: 0.9rem;
    margin-top: 5px;
}

.product-card {
    background: var(--background-white);
    border-radius: 20px;
    box-shadow: 0 10px 30px var(--shadow-light);
    padding: 40px;
    margin-top: 20px;
}

.product-header {
    text-align: center;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-light);
}

.product-header h3 {
    font-size: 1.5rem;
    color: var(--text-dark);
    margin-bottom: 10px;
}

.product-price {
    display: flex;
    justify-content: center;
    align-items: baseline;
    gap: 5px;
}

.price-amount {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--primary-blue);
}

.price-unit {
    font-size: 1.2rem;
    color: var(--primary-blue);
}

.product-features h4,
.product-scenarios h4 {
    font-size: 1.2rem;
    color: #333;
    margin-bottom: 15px;
    text-align: center;
}

.feature-list {
    list-style: none;
    margin-bottom: 25px;
}

.feature-list li {
    padding: 6px 0;
    color: #555;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
}

.feature-list li:before {
    content: "�?;
    margin-right: 8px;
    font-size: 0.8rem;
}

.scenario-tags {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px;
    margin-bottom: 25px;
}

.tag {
    background: #f0f8ff;
    color: var(--primary-blue);
    padding: 6px 12px;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 500;
}

.purchase-actions {
    text-align: center;
    margin-top: 30px;
}

.purchase-actions .btn {
    font-size: 1rem;
    padding: 12px 30px;
    width: 100%;
}

/* 套餐对比�?*/
.comparison-table {
    margin-top: 60px;
    background: white;
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.comparison-table h3 {
    text-align: center;
    margin-bottom: 30px;
    color: #333;
    font-size: 1.8rem;
}

.compare-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
}

.compare-table th,
.compare-table td {
    padding: 12px 15px;
    text-align: center;
    border-bottom: 1px solid #eee;
}

.compare-table th {
    background: #f0f8ff;
    font-weight: bold;
    color: #333;
}

.compare-table th:first-child,
.compare-table td:first-child {
    text-align: left;
    font-weight: 500;
}

.compare-table tr:hover {
    background: #f8f9fa;
}

.compare-table .featured-col {
    background: #f0f8ff;
    font-weight: bold;
}

/* 响应式设�?*/
@media (max-width: 768px) {
    .product-card {
        padding: 30px 20px;
    }
    
    .product-header h3 {
        font-size: 1.5rem;
    }
    
    .price-amount {
        font-size: 2.5rem;
    }
    
    .process-steps {
        flex-direction: column;
        gap: 20px;
    }
    
    .scenario-tags {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .product-card {
        padding: 20px 15px;
    }
    
    .product-header h3 {
        font-size: 1.3rem;
    }
    
    .price-amount {
        font-size: 2rem;
    }
}

/* 支付弹窗 */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
}

.modal-content {
    background-color: #fefefe;
    margin: 5% auto;
    padding: 30px;
    border-radius: 15px;
    width: 90%;
    max-width: 500px;
    position: relative;
}

.close {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
}

.close:hover {
    color: #000;
}

.payment-options {
    margin: 20px 0;
}

.payment-option {
    border: 2px solid #ddd;
    border-radius: 10px;
    padding: 20px;
    margin: 10px 0;
    cursor: pointer;
    transition: all 0.3s ease;
}

.payment-option:hover {
    border-color: var(--primary-blue);
    background-color: #f8fff8;
}

.payment-option.selected {
    border-color: var(--primary-blue);
    background-color: #f0f8ff;
}

.payment-icon {
    font-size: 2rem;
    margin-bottom: 10px;
}

.payment-option h4 {
    margin: 10px 0;
    color: #333;
}

.payment-option p {
    color: #666;
    margin: 5px 0;
}

.payment-amount {
    font-size: 1.2rem;
    font-weight: bold;
    color: var(--primary-blue);
}

.payment-detail {
    margin-top: 20px;
    padding: 20px;
    background: #f8f9fa;
    border-radius: 10px;
}

.qrcode-section {
    text-align: center;
    margin-bottom: 20px;
}

.qrcode-placeholder {
    width: 200px;
    height: 200px;
    background: #fff;
    border: 2px dashed var(--primary-blue);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px;
    color: var(--primary-blue);
    font-size: 1rem;
}

.payment-info p {
    margin: 10px 0;
    color: #555;
}

/* 联系CTA区域 */
.contact-cta {
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-blue-dark));
    color: white;
    padding: 80px 0;
    text-align: center;
}

.contact-cta h2 {
    font-size: 36px;
    margin-bottom: 15px;
}

.contact-cta p {
    font-size: 18px;
    margin-bottom: 40px;
    opacity: 0.9;
}

.contact-methods {
    display: flex;
    justify-content: center;
    gap: 50px;
    flex-wrap: wrap;
}

.contact-method {
    background: rgba(255,255,255,0.1);
    border-radius: 10px;
    padding: 30px;
    text-align: center;
    min-width: 200px;
}

.contact-method h3 {
    font-size: 20px;
    margin-bottom: 20px;
}

.qrcode {
    width: 150px;
    height: 150px;
    background: white;
    margin: 0 auto 15px;
    border-radius: 10px;
}

.qrcode-placeholder {
    width: 150px;
    height: 150px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-blue-dark));
    color: white;
    font-size: 0.9rem;
    text-align: center;
    border-radius: 8px;
    margin: 1rem 0;
}

.phone-number {
    font-size: 24px;
    font-weight: 700;
    color: white;
    text-decoration: none;
}

/* Hero Banner区域 */
.hero {
    background: var(--primary-blue);
    color: white;
    padding: 140px 0 100px;
    position: relative;
    overflow: hidden;
    margin-top: 70px;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><defs><radialGradient id="a" cx="50%" cy="50%" r="50%"><stop offset="0%" style="stop-color:rgba(255,255,255,0.1)"/><stop offset="100%" style="stop-color:rgba(255,255,255,0)"/></radialGradient></defs><circle cx="200" cy="200" r="100" fill="url(%23a)"/><circle cx="800" cy="300" r="150" fill="url(%23a)"/><circle cx="400" cy="700" r="120" fill="url(%23a)"/></svg>') no-repeat center center;
    background-size: cover;
    opacity: 0.3;
}

.hero-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
    z-index: 2;
}

.hero-text {
    flex: 1.5;
    max-width: 600px;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    text-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.hero-subtitle {
    font-size: 1.5rem;
    line-height: 1.6;
    margin-bottom: 2.5rem;
    opacity: 0.95;
    font-weight: 400;
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.hero-buttons .btn {
    padding: 18px 40px;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 50px;
    text-decoration: none;
    transition: all 0.3s ease;
    display: inline-block;
    min-width: 180px;
    text-align: center;
}

.hero-buttons .btn-primary {
    background: rgba(255,255,255,0.95);
    color: var(--primary-blue);
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.hero-buttons .btn-primary:hover {
    background: white;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

.hero-buttons .btn-outline {
    background: transparent;
    color: white;
    border: 2px solid rgba(255,255,255,0.8);
}

.hero-buttons .btn-outline:hover {
    background: rgba(255,255,255,0.1);
    border-color: white;
    transform: translateY(-2px);
}

.hero-image {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-left: 2rem;
}

.hero-placeholder {
    font-size: 4rem;
    font-weight: 700;
    color: rgba(255,255,255,0.9);
    text-align: center;
    padding: 3rem;
    background: rgba(255,255,255,0.1);
    border-radius: 20px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.2);
    box-shadow: 0 8px 32px rgba(0,0,0,0.1);
    text-shadow: 0 2px 4px rgba(0,0,0,0.1);
    animation: float 6s ease-in-out infinite;
}

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

/* 响应式hero */
@media (max-width: 1024px) {
    .hero-content {
        flex-direction: column;
        text-align: center;
        gap: 3rem;
    }
    
    .hero-text {
        max-width: 100%;
    }
    
    .hero-title {
        font-size: 3rem;
    }
    
    .hero-subtitle {
        font-size: 1.3rem;
    }
}

@media (max-width: 768px) {
    .hero {
        padding: 120px 0 80px;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-buttons .btn {
        min-width: 200px;
    }
    
    .hero-placeholder {
        font-size: 3rem;
        padding: 2rem;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 100px 0 60px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .hero-placeholder {
        font-size: 2.5rem;
        padding: 1.5rem;
    }
}

.hero-image {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-left: 2rem;
}

.hero-placeholder {
    font-size: 4rem;
    font-weight: 700;
    color: rgba(255,255,255,0.9);
    text-align: center;
    padding: 3rem;
    background: rgba(255,255,255,0.1);
    border-radius: 20px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.2);
    box-shadow: 0 8px 32px rgba(0,0,0,0.1);
    text-shadow: 0 2px 4px rgba(0,0,0,0.1);
    animation: float 6s ease-in-out infinite;
}

/* 响应式设�?*/
@media (max-width: 768px) {
    .nav-list {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .page-title {
        font-size: 28px;
    }
    
    .banner h1 {
        font-size: 32px;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .features-grid,
    .pricing-grid,
    .cases-grid,
    .about-content,
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .process-steps {
        flex-direction: column;
        align-items: center;
    }
    
    .step:not(:last-child):after {
        content: "�?;
        right: 50%;
        top: 60px;
        transform: translateX(50%);
    }
    
    .contact-methods {
        flex-direction: column;
        align-items: center;
    }
    
    .complaint-content {
        grid-template-columns: 1fr;
    }
    
    .channels-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-table {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .feature-card,
    .pricing-card,
    .case-card {
        padding: 20px;
    }
    
    .price {
        font-size: 36px;
    }
}