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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    padding-top: 64px;
}

.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 5%;
    background-color: #fff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
}

.header-left {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo {
    height: 40px;
    width: auto;
}

.brand-text {
    font-size: 1.5rem;
    font-weight: bold;
    color: #333;
}

.main-nav ul {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.main-nav a {
    text-decoration: none;
    color: #333;
    font-size: 1.1rem;
    padding: 0.5rem 1rem;
    transition: color 0.3s;
}

.main-nav a:hover,
.main-nav a.active {
    color: #1890ff;
}

.header-right {
    display: flex;
    gap: 1rem;
}

.btn {
    padding: 0.5rem 1.5rem;
    border-radius: 4px;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-login {
    background: transparent;
    border: 1px solid #1890ff;
    color: #1890ff;
}

.btn-login:hover {
    background: rgba(24, 144, 255, 0.1);
}

.btn-register {
    background: #1890ff;
    border: 1px solid #1890ff;
    color: white;
}

.btn-register:hover {
    background: #40a9ff;
    border-color: #40a9ff;
}

h1 {
    color: #333;
    text-align: center;
    margin-bottom: 20px;
}

/* 登录页面样式 */
.login-page {
    min-height: 100vh;
    background: linear-gradient(135deg, #1890ff 0%, #1890ff 100%);
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-container {
    display: flex;
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
    width: 1000px;
    height: 600px;
    overflow: hidden;
}

.login-box {
    flex: 1;
    padding: 40px;
}

.login-image {
    flex: 1;
    background: url('./images/login-bg.jpg') no-repeat center;
    background-size: cover;
}

.login-title {
    font-size: 28px;
    color: #333;
    margin-bottom: 40px;
    text-align: left;
}

.login-form {
    width: 100%;
    max-width: 400px;
}

.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: #333;
    font-size: 14px;
}

.form-input {
    width: 100%;
    height: 40px;
    padding: 8px 12px;
    border: 1px solid #e8e8e8;
    border-radius: 4px;
    font-size: 14px;
    transition: all 0.3s;
}

.form-input:focus {
    border-color: #1890ff;
    outline: none;
    box-shadow: 0 0 0 2px rgba(24, 144, 255, 0.2);
}

.captcha-group {
    display: flex;
    gap: 12px;
}

.captcha-group .form-input {
    flex: 1;
}

.captcha-img {
    height: 40px;
    border-radius: 4px;
    cursor: pointer;
}

.password-input {
    position: relative;
}

.eye-icon {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    cursor: pointer;
    color: #999;
}

.form-actions {
    display: flex;
    justify-content: space-between;
    margin-bottom: 24px;
}

.form-links {
    display: flex;
    gap: 24px;
}

.form-links a {
    color: #1890ff;
    text-decoration: none;
    font-size: 14px;
}

.login-button {
    width: 100%;
    height: 40px;
    background: #1890ff;
    color: white;
    border: none;
    border-radius: 4px;
    font-size: 16px;
    cursor: pointer;
    transition: background 0.3s;
}

.login-button:hover {
    background: #40a9ff;
}

.agreement {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    color: #666;
    margin-top: 15px;
}

.agreement input[type="checkbox"] {
    margin: 0;
    width: 16px;
    height: 16px;
}

.agreement label {
    font-size: 12px;
    color: #666;
}

.agreement a {
    color: #00BFA6;
    text-decoration: none;
}

/* 横幅样式 */
.banner {
    background: url('./images/banner-bg.jpg') no-repeat center;
    background-size: cover;
    height: 600px;
    display: flex;
    align-items: flex-start;
    position: relative;
}

.banner-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 80px 20px 0;
    position: relative;
    z-index: 1;
    text-align: center;
    width: 100%;
}

.banner-title {
    font-size: 48px;
    color: #00BFA6;
    margin-bottom: 20px;
    font-weight: bold;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.banner-subtitle {
    font-size: 36px;
    color: #00BFA6;
    margin-bottom: 16px;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.banner-text {
    font-size: 20px;
    color: #00BFA6;
    max-width: 600px;
    margin: 0 auto;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

/* 主要内容区域样式 */
.section {
    padding: 80px 0;
}

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

.section-title {
    font-size: 32px;
    color: #333;
    text-align: center;
    margin-bottom: 60px;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background-color: #00BFA6;
    border-radius: 2px;
}

/* 产品功能区域 */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 40px;
}

/* 产品优势区域 */
.advantages-grid {
    margin-top: 40px;
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.advantage-tabs {
    display: flex;
    border-bottom: 1px solid #eee;
}

.tab-item {
    flex: 1;
    padding: 20px;
    text-align: center;
    cursor: pointer;
    position: relative;
    transition: all 0.3s;
}

.tab-item span {
    color: #666;
    font-size: 18px;
    transition: color 0.3s;
}

.tab-item::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 3px;
    background-color: #00BFA6;
    transition: width 0.3s;
}

.tab-item.active {
    background-color: #f8f9fa;
}

.tab-item.active span {
    color: #00BFA6;
    font-weight: 500;
}

.tab-item.active::after {
    width: 40px;
}

.tab-content {
    display: none;
    padding: 40px;
}

.tab-content.active {
    display: block;
}

.content-wrapper {
    display: flex;
    gap: 60px;
    align-items: flex-start;
}

.content-left {
    flex: 1;
}

.content-left h3 {
    font-size: 24px;
    color: #333;
    margin-bottom: 16px;
    margin-top: 30px;
}

.content-left h3:first-child {
    margin-top: 0;
}

.content-left p {
    color: #666;
    line-height: 1.6;
    margin-bottom: 20px;
}

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

.content-left ul li {
    position: relative;
    padding-left: 20px;
    margin-bottom: 16px;
    color: #666;
    line-height: 1.6;
}

.content-left ul li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 10px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: #00BFA6;
}

.content-right {
    flex: 1;
}

.content-right img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    display: block;
}

/* 应用场景区域 */
.scenarios-grid {
    margin-top: 40px;
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.scenario-tabs {
    display: flex;
    justify-content: center;
    gap: 40px;
    padding: 20px;
    border-bottom: 1px solid #eee;
}

.scenario-tab {
    padding: 10px 20px;
    cursor: pointer;
    position: relative;
    transition: all 0.3s;
}

.scenario-tab span {
    font-size: 18px;
    color: #666;
    transition: color 0.3s;
}

.scenario-tab::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: #00BFA6;
    transition: width 0.3s;
}

.scenario-tab.active span {
    color: #00BFA6;
    font-weight: 500;
}

.scenario-tab.active::after {
    width: 100%;
}

.scenario-content {
    display: none;
    padding: 40px;
}

.scenario-content.active {
    display: block;
}

.scenario-wrapper {
    display: flex;
    gap: 60px;
    align-items: flex-start;
}

.scenario-left {
    flex: 1;
}

.scenario-left img {
    width: 100%;
    height: auto;
    border-radius: 16px;
    display: block;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.scenario-right {
    flex: 1.2;
    padding-right: 20px;
}

.scenario-header {
    margin-bottom: 24px;
}

.scenario-header h3 {
    font-size: 28px;
    color: #333;
    margin-bottom: 12px;
}

.scenario-desc {
    font-size: 16px;
    color: #666;
    line-height: 1.6;
}

.scenario-intro {
    margin-bottom: 32px;
}

.scenario-intro p {
    color: #666;
    line-height: 1.8;
    font-size: 15px;
}

.scenario-cases h4 {
    font-size: 20px;
    color: #333;
    margin-bottom: 20px;
}

.case-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.case-item {
    padding-left: 16px;
    border-left: 2px solid #00BFA6;
}

.case-title {
    display: block;
    font-size: 16px;
    color: #333;
    font-weight: 500;
    margin-bottom: 8px;
}

.case-item p {
    color: #666;
    line-height: 1.6;
    font-size: 14px;
}

/* 轮播区域样式 */
.features-carousel {
    position: relative;
    margin: 0 auto;
    max-width: 1000px;
}

.carousel-container {
    overflow: hidden;
    position: relative;
}

.carousel-track {
    display: flex;
    transition: transform 0.5s ease;
}

.carousel-slide {
    min-width: 100%;
    padding: 0 20px;
}

.feature-card {
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.feature-content {
    display: flex;
    align-items: center;
    padding: 40px;
    gap: 40px;
}

.feature-image {
    flex: 1;
    border-radius: 8px;
    overflow: hidden;
    max-width: 50%;
}

.feature-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.feature-info {
    flex: 1;
    padding-right: 20px;
}

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

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

.feature-list li {
    position: relative;
    padding-left: 24px;
    margin-bottom: 16px;
    color: #666;
    line-height: 1.6;
}

.feature-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 16px;
    height: 16px;
    background: url('./images/check.svg') no-repeat center;
    background-size: contain;
}

/* 轮播控制样式 */
.carousel-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 30px;
    gap: 20px;
}

.carousel-btn {
    background: #fff;
    border: 1px solid #00BFA6;
    color: #00BFA6;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
}

.carousel-btn:hover {
    background: #00BFA6;
    color: #fff;
}

.carousel-dots {
    display: flex;
    gap: 8px;
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #ddd;
    cursor: pointer;
    transition: all 0.3s;
}

.dot.active {
    background: #00BFA6;
    transform: scale(1.2);
}

/* 页脚样式 */
.footer {
    background-color: #000;
    padding: 40px 0 20px;
    color: #fff;
}

.footer-title {
    font-size: 28px;
    text-align: center;
    margin-bottom: 15px;
}

.footer-desc {
    text-align: center;
    color: #999;
    font-size: 14px;
    margin-bottom: 40px;
}

.service-grid {
    display: flex;
    justify-content: space-between;
    gap: 30px;
    margin-bottom: 40px;
}

.service-item {
    flex: 1;
    text-align: center;
    position: relative;
    padding: 0 20px;
}

/* 删除图标相关样式，改用伪元素实现分隔线 */
.service-item:not(:last-child)::after {
    content: '';
    position: absolute;
    right: -15px;
    top: 50%;
    transform: translateY(-50%);
    width: 1px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
}

.service-item h3 {
    font-size: 18px;
    margin-bottom: 12px;
    color: #fff;
}

.service-item p {
    color: #999;
    line-height: 1.5;
    font-size: 13px;
}

.footer-info {
    display: flex;
    justify-content: space-between;
    padding: 25px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.info-section {
    flex: 1;
}

.info-section h3 {
    font-size: 16px;
    color: #fff;
    margin-bottom: 15px;
}

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

.info-section ul li {
    margin-bottom: 8px;
    color: #999;
    font-size: 13px;
}

.info-section ul li a {
    color: #999;
    text-decoration: none;
    transition: color 0.3s;
}

.info-section ul li a:hover {
    color: #fff;
}

.footer-bottom {
    padding-top: 20px;
}

.footer-bottom p {
    font-size: 13px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.icp-icon {
    height: 14px;
    width: auto;
}

.advantage-tabs a {
    text-decoration: none;
    color: inherit;
    display: block;
    padding: 10px 20px;
    transition: all 0.3s;
}

.tab-item.active a {
    color: #00BFA6;
}

/* 平滑滚动效果 */
html {
    scroll-behavior: smooth;
}

.scenario-tab a {
    text-decoration: none;
    color: inherit;
    display: block;
    padding: 10px 20px;
    transition: all 0.3s;
}

.scenario-tab.active a {
    color: #00BFA6;
}

/* 登录模态框样式 */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.modal-content {
    display: flex;
    background: #fff;
    border-radius: 12px;
    width: 800px;
    height: 500px;
    overflow: hidden;
}

.login-section {
    flex: 1;
    padding: 40px;
}

.image-section {
    flex: 1;
    background: url('./images/login-bg.jpg') no-repeat center;
    background-size: cover;
}

.modal-title {
    font-size: 28px;
    color: #333;
    margin-bottom: 30px;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: #333;
    font-size: 14px;
}

.required {
    color: #f00;
    margin-left: 4px;
}

.form-group input[type="text"],
.form-group input[type="password"] {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 14px;
}

.verify-group .verify-input {
    display: flex;
    gap: 10px;
    align-items: center;
}

.verify-input input {
    flex: 1;
}

.verify-img {
    width: 100px;
    height: 40px;
    cursor: pointer;
}

.verify-tip {
    color: #666;
    font-size: 12px;
    cursor: pointer;
}

.password-input {
    position: relative;
}

.eye-icon {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    cursor: pointer;
    color: #666;
}

.form-actions {
    display: flex;
    justify-content: space-between;
    margin-bottom: 20px;
}

.remember-forgot {
    display: flex;
    gap: 20px;
}

.forgot-link,
.register-link,
.forgot-pwd {
    color: #666;
    font-size: 14px;
    text-decoration: none;
}

.submit-btn {
    width: 100%;
    padding: 12px;
    background: #00BFA6;
    color: #fff;
    border: none;
    border-radius: 6px;
    font-size: 16px;
    cursor: pointer;
    margin-bottom: 15px;
}

.agreement {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    color: #666;
}

.agreement a {
    color: #00BFA6;
    text-decoration: none;
}