/* 全局样式 */
* {
    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;
    color: #333;
    background-color: #f8f9fa;
}

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

/* 反诈公告滚动栏 */
.anti-scam-banner {
    background: linear-gradient(90deg, #ff4d4f 0%, #ff7875 100%);
    color: white;
    padding: 10px 0;
    position: relative;
    z-index: 1001;
}

.banner-content {
    display: flex;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.banner-icon {
    font-size: 1.2rem;
    margin-right: 10px;
    flex-shrink: 0;
}

.banner-text-wrapper {
    flex: 1;
    overflow: hidden;
    position: relative;
}

.banner-text {
    display: inline-block;
    white-space: nowrap;
    animation: scrollText 20s linear infinite;
    padding-left: 100%;
}

@keyframes scrollText {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-100%);
    }
}

.banner-close {
    background: none;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0 10px;
    opacity: 0.8;
    transition: opacity 0.3s;
    flex-shrink: 0;
}

.banner-close:hover {
    opacity: 1;
}

/* 导航栏 */
.navbar {
    background-color: #fff;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
}

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    gap: 8px;
}

.logo-icon {
    width: 36px;
    height: 36px;
    border-radius: 6px;
}

.logo .logo-text {
    font-size: 1.5rem;
    color: #4FAEDC;
    margin: 0;
    font-weight: bold;
}

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

.nav-links a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-links a:hover,
.nav-links a.active {
    color: #4FAEDC;
}

/* Hero 区域 */
.hero {
    background: linear-gradient(135deg, #4FAEDC 0%, #3A8DB8 100%);
    color: white;
    padding: 100px 0;
    text-align: center;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero-title {
    font-size: 3rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background-color: #4FAEDC;
    color: white;
}

.btn-primary:hover {
    background-color: #3A8DB8;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
}

.btn-secondary {
    background-color: transparent;
    color: white;
    border: 2px solid white;
}

.btn-secondary:hover {
    background-color: white;
    color: #4FAEDC;
}

.btn-disabled {
    background-color: #ccc !important;
    color: #666 !important;
    cursor: not-allowed !important;
    opacity: 0.6;
}

.btn-disabled:hover {
    background-color: #ccc !important;
    transform: none !important;
    box-shadow: none !important;
}

/* 功能区域 */
.features {
    padding: 80px 0;
    background-color: #fff;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #333;
}

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

.feature-card {
    background: #f8f9fa;
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #333;
}

.feature-card p {
    color: #666;
    line-height: 1.8;
}

/* 页面头部 */
.page-header {
    background: linear-gradient(135deg, #4FAEDC 0%, #3A8DB8 100%);
    color: white;
    padding: 60px 0;
    text-align: center;
}

.page-header h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.page-header p {
    font-size: 1.2rem;
    opacity: 0.9;
}

/* 产品列表 */
.products {
    padding: 80px 0;
}

.product-list {
    display: flex;
    flex-direction: column;
    gap: 3rem;
}

.product-item {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 2rem;
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.product-placeholder {
    font-size: 6rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f8f9fa;
    border-radius: 10px;
    height: 250px;
}

.product-info h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: #333;
}

.product-info p {
    color: #666;
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.product-features {
    list-style: none;
    margin-bottom: 1.5rem;
}

.product-features li {
    padding: 0.5rem 0;
    color: #666;
}

/* 下载页面 */
.downloads {
    padding: 80px 0;
}

.download-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.download-card {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    text-align: center;
    transition: transform 0.3s;
}

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

.download-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.download-card h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: #333;
}

.download-card .version {
    color: #999;
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.download-card .size {
    color: #666;
    font-size: 0.85rem;
    margin-bottom: 1.5rem;
}

.download-info {
    padding: 80px 0;
    background: white;
}

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

.requirement-card {
    background: #f8f9fa;
    padding: 2rem;
    border-radius: 10px;
}

.requirement-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #333;
}

.requirement-card ul {
    list-style: none;
}

.requirement-card li {
    padding: 0.5rem 0;
    color: #666;
}

/* 企业IM页面 */
.im-intro {
    padding: 60px 0;
    background: white;
}

.intro-content h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: #333;
}

.intro-content p {
    font-size: 1.1rem;
    color: #666;
    line-height: 1.8;
}

.im-features {
    padding: 80px 0;
}

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

.benefits-list {
    max-width: 900px;
    margin: 0 auto;
}

.benefit-item {
    display: flex;
    gap: 2rem;
    margin-bottom: 3rem;
}

.benefit-number {
    font-size: 3rem;
    font-weight: 700;
    color: #4FAEDC;
    opacity: 0.3;
    min-width: 80px;
}

.benefit-content h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: #333;
}

.benefit-content p {
    color: #666;
    line-height: 1.8;
}

.cta-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #4FAEDC 0%, #3A8DB8 100%);
    color: white;
    text-align: center;
}

.cta-section h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.cta-section p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

/* 价格方案页面 */
.pricing {
    padding: 80px 0;
    background: #f8f9fa;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.pricing-card {
    background: white;
    border-radius: 12px;
    padding: 2.5rem;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: relative;
    transition: transform 0.3s, box-shadow 0.3s;
}

.pricing-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}

.pricing-card.recommended {
    border: 2px solid #4FAEDC;
    transform: scale(1.05);
}

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

.recommended-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: #4FAEDC;
    color: white;
    padding: 4px 16px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

.plan-name {
    font-size: 1.5rem;
    color: #333;
    margin-bottom: 0.5rem;
    text-align: center;
}

.plan-description {
    color: #666;
    text-align: center;
    margin-bottom: 1.5rem;
}

.plan-price {
    text-align: center;
    margin-bottom: 2rem;
    padding: 1rem 0;
    border-top: 1px solid #eee;
    border-bottom: 1px solid #eee;
}

.price-currency {
    font-size: 1.5rem;
    color: #333;
    vertical-align: top;
}

.price-amount {
    font-size: 3rem;
    font-weight: 700;
    color: #4FAEDC;
}

.price-unit {
    font-size: 1rem;
    color: #666;
}

.plan-features {
    list-style: none;
    margin-bottom: 2rem;
}

.plan-features li {
    padding: 0.5rem 0;
    color: #666;
    border-bottom: 1px solid #f0f0f0;
}

.plan-features li:last-child {
    border-bottom: none;
}

.pricing-card .btn {
    width: 100%;
    text-align: center;
}

.btn-secondary-outline {
    background: transparent;
    color: #4FAEDC;
    border: 2px solid #4FAEDC;
}

.btn-secondary-outline:hover {
    background: #4FAEDC;
    color: white;
}

/* 常见问题 */
.pricing-faq {
    padding: 80px 0;
    background: white;
}

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

.faq-item {
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid #eee;
}

.faq-item:last-child {
    border-bottom: none;
}

.faq-item h3 {
    font-size: 1.2rem;
    color: #333;
    margin-bottom: 0.5rem;
}

.faq-item p {
    color: #666;
    line-height: 1.8;
}

/* Footer */
.footer {
    background-color: #2a2a2a;
    color: #ccc;
}

.footer-main {
    padding: 3rem 0 2rem;
    border-bottom: 1px solid #444;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 2rem;
}

.footer-brand {
    padding-right: 2rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 1rem;
}

.footer-logo-icon {
    width: 40px;
    height: 40px;
    border-radius: 8px;
}

.footer-logo span {
    font-size: 1.5rem;
    font-weight: 600;
    color: #fff;
}

.footer-slogan {
    color: #888;
    font-size: 0.9rem;
    line-height: 1.6;
}

.footer-section h4 {
    color: #fff;
    font-size: 1rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

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

.footer-section ul li {
    margin-bottom: 0.6rem;
}

.footer-section ul li a {
    color: #888;
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.3s;
}

.footer-section ul li a:hover {
    color: #4FAEDC;
}

.footer-bottom {
    padding: 1.5rem 0;
    text-align: center;
}

.footer-bottom .copyright-text {
    font-size: 0.85rem;
    color: #666;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.25rem;
}

.footer-bottom a {
    color: #666;
    text-decoration: none;
    transition: color 0.3s;
}

.footer-bottom a:hover {
    color: #4FAEDC;
}

.footer-bottom .gongan-icon {
    vertical-align: middle;
    margin-right: 2px;
}

/* 响应式 Footer */
@media (max-width: 768px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 1.5rem;
    }

    .footer-brand {
        grid-column: 1 / -1;
        padding-right: 0;
        text-align: center;
    }

    .footer-logo {
        justify-content: center;
    }

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

    .footer-bottom .copyright-text {
        flex-direction: column;
        gap: 0.5rem;
    }
}

.copyright-text {
    font-size: 0.9rem;
    color: #ccc;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.25rem;
}

.beian-link {
    color: #ccc;
    text-decoration: none;
    transition: color 0.3s;
}

.beian-link:hover {
    color: #fff;
}

.gongan-icon {
    vertical-align: middle;
    margin-right: 2px;
}

/* About 页面样式 */
.about-content {
    padding: 80px 0;
    background: white;
}

.about-section {
    margin-bottom: 3rem;
}

.about-section h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: #333;
}

.about-section p {
    font-size: 1.1rem;
    color: #666;
    line-height: 1.8;
    margin-bottom: 1rem;
}

.about-links {
    margin-top: 3rem;
}

.about-links h2 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    color: #333;
}

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

.about-links li {
    margin-bottom: 1rem;
}

.about-links a {
    color: #4FAEDC;
    text-decoration: none;
    font-size: 1.1rem;
    transition: color 0.3s;
}

.about-links a:hover {
    color: #3A8DB8;
    text-decoration: underline;
}

/* Contact 页面样式 */
.contact-content {
    padding: 80px 0;
    background: white;
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.contact-item {
    background: #f8f9fa;
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
}

.contact-item h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #333;
}

.contact-item p {
    color: #666;
    font-size: 1.1rem;
}

/* Team 页面样式 */
.team-content {
    padding: 80px 0;
    background: white;
}

/* Policy 页面样式 */
.policy-content {
    padding: 80px 0;
    background: white;
    max-width: 900px;
    margin: 0 auto;
}

.policy-section {
    margin-bottom: 2.5rem;
}

.policy-section h2 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
    color: #333;
}

.policy-section p {
    font-size: 1.05rem;
    color: #666;
    line-height: 1.8;
}

.policy-section em {
    color: #999;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1.2rem;
    }

    .nav-links {
        gap: 1rem;
    }

    .product-item {
        grid-template-columns: 1fr;
    }

    .benefit-item {
        flex-direction: column;
        gap: 1rem;
    }

    .hero-buttons,
    .cta-buttons {
        flex-direction: column;
    }
}