* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    font-weight: 500;
}

body {
    background-color: #F5F5F7;
    color: #1D1D1F;
    line-height: 1.6;
    min-height: 100vh;
}

/* 导航栏样式 */
.nav-wrapper {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 88px;
    padding: 0 40px;
}

.nav-logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    gap: 12px;
}

.nav-logo img {
    width: 40px;
    height: 40px;
    object-fit: contain;
}

.nav-logo span {
    font-size: 28px;
    font-weight: 600;
    color: #1D1D1F;
}

.nav-menu {
    display: flex;
    gap: 45px;
    list-style: none;
    margin: 0 20px;
}

.nav-menu a {
    color: #1D1D1F;
    text-decoration: none;
    font-size: 16px;
    opacity: 0.8;
    transition: opacity 0.3s;
    padding: 8px 0;
}

.nav-menu a:hover {
    opacity: 1;
}

.nav-download {
    background: #0071e3;
    color: white;
    padding: 8px 20px;
    border-radius: 16px;
    font-size: 16px;
    text-decoration: none;
    transition: background-color 0.3s;
}

.nav-download:hover {
    background-color: #0077ED;
}

/* 主要内容区域 */
.main-content {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding-top: 88px;
    background: #F5F5F7;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 40px 20px;
    text-align: center;
}

.hero-logo {
    margin: 0 auto 40px;
}

.hero-logo-img {
    width: 120px;
    height: 120px;
    border-radius: 28px;
}

h1 {
    font-size: 56px;
    font-weight: 600;
    margin-bottom: 24px;
    background: linear-gradient(135deg, #1D1D1F 0%, #434343 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.main-content p {
    font-size: 24px;
    color: #8E8E93;
    margin-bottom: 48px;
}

/* 概览部分样式 */
.overview-section {
    min-height: 100vh;
    background: linear-gradient(135deg, #E8F3FF 0%, #F5F9FF 100%);
    padding: 0;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.overview-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
    z-index: 2;
}

.overview-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    padding-top: 88px;
}

.overview-text {
    padding-right: 40px;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 1s ease forwards;
}

.overview-title {
    font-size: 48px;
    font-weight: 600;
    color: #1D1D1F;
    margin-bottom: 24px;
    line-height: 1.2;
}

.overview-description {
    font-size: 18px;
    color: #86868B;
    line-height: 1.6;
    margin-bottom: 40px;
}

.overview-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 40px;
}

.overview-feature {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    opacity: 0;
    transform: translateY(20px);
}

.overview-feature:nth-child(1) { animation: fadeInUp 0.8s ease 0.3s forwards; }
.overview-feature:nth-child(2) { animation: fadeInUp 0.8s ease 0.5s forwards; }
.overview-feature:nth-child(3) { animation: fadeInUp 0.8s ease 0.7s forwards; }

.overview-feature-icon {
    width: 48px;
    height: 48px;
    object-fit: contain;
    transition: transform 0.3s ease;
}

.overview-feature:hover .overview-feature-icon {
    transform: scale(1.1);
}

.overview-feature span {
    font-size: 14px;
    color: #1D1D1F;
    font-weight: 500;
}

.overview-buttons {
    display: flex;
    gap: 16px;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.8s ease 0.9s forwards;
}

.overview-button {
    padding: 12px 24px;
    border-radius: 20px;
    font-size: 16px;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.3s ease;
}

.overview-button.primary {
    background: #007AFF;
    color: white;
    position: relative;
    overflow: hidden;
}

.overview-button.primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 122, 255, 0.3);
}

.overview-button.primary::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 300%;
    height: 300%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%) rotate(35deg);
    transition: transform 0.5s ease;
}

.overview-button.primary:hover::after {
    transform: translate(-50%, -50%) rotate(35deg) translateX(50%);
}

.overview-button.secondary {
    background: white;
    color: #007AFF;
    border: 1px solid #007AFF;
}

.overview-button.secondary:hover {
    background: rgba(0, 122, 255, 0.1);
    transform: translateY(-2px);
}

.overview-image {
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transform: translateX(30px);
    animation: fadeInRight 1s ease 0.3s forwards;
}

.overview-hero-image {
    width: 100%;
    max-width: 480px;
    height: auto;
    filter: drop-shadow(0 10px 20px rgba(0, 0, 0, 0.15));
    animation: float 6s ease-in-out infinite;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-20px);
    }
}

/* 修改背景动画效果 */
.overview-section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(0, 122, 255, 0.03) 0%, rgba(245, 249, 255, 0) 50%);
    animation: rotate 30s linear infinite;
    z-index: 1;
}

@keyframes rotate {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

@media (max-width: 768px) {
    .overview-content {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
        padding-top: 120px;
    }

    .overview-text {
        padding-right: 0;
    }

    .overview-title {
        font-size: 36px;
    }

    .overview-description {
        font-size: 16px;
    }

    .overview-buttons {
        justify-content: center;
    }

    .overview-image {
        order: -1;
    }

    .overview-hero-image {
        max-width: 360px;
    }
}

@media (max-width: 480px) {
    .overview-features {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .overview-buttons {
        flex-direction: column;
    }

    .overview-button {
        width: 100%;
        text-align: center;
    }

    .overview-hero-image {
        max-width: 280px;
    }
}

/* 功能介绍部分 */
.features-section {
    padding: 100px 0;
    background-color: #F5F5F7;
}

.section-title {
    font-size: 40px;
    font-weight: 600;
    color: #1D1D1F;
    text-align: center;
    margin-bottom: 60px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.feature-card {
    background: white;
    border-radius: 20px;
    padding: 40px 30px;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.8s ease-out forwards;
}

.features-grid .feature-card:nth-child(1) { animation-delay: 0.2s; }
.features-grid .feature-card:nth-child(2) { animation-delay: 0.4s; }
.features-grid .feature-card:nth-child(3) { animation-delay: 0.6s; }
.features-grid .feature-card:nth-child(4) { animation-delay: 0.8s; }
.features-grid .feature-card:nth-child(5) { animation-delay: 1.0s; }
.features-grid .feature-card:nth-child(6) { animation-delay: 1.2s; }

.feature-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, #007AFF, #0077ED);
    border-radius: 16px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 24px;
    transition: all 0.3s ease;
}

.feature-icon svg {
    width: 32px;
    height: 32px;
    stroke: white;
    stroke-width: 2;
    transition: all 0.3s ease;
}

.feature-card:hover .feature-icon {
    transform: translateY(-5px);
    box-shadow: 0 8px 16px rgba(0, 122, 255, 0.2);
}

.feature-card:hover .feature-icon svg {
    transform: scale(1.1);
}

.feature-title {
    font-size: 24px;
    font-weight: 600;
    color: #1D1D1F;
    margin-bottom: 16px;
}

.feature-description {
    font-size: 16px;
    color: #86868B;
    line-height: 1.5;
}

/* 技术支持部分 */
.support-section {
    padding: 100px 0;
    background: #F5F5F7;
}

.support-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    gap: 60px;
}

.support-content {
    flex: 1;
    opacity: 0;
    animation: fadeInUp 0.8s ease-out 0.2s forwards;
}

.support-title {
    font-size: 40px;
    font-weight: 600;
    color: #1D1D1F;
    margin-bottom: 24px;
}

.support-description {
    font-size: 18px;
    color: #86868B;
    line-height: 1.6;
    margin-bottom: 32px;
}

.support-features {
    list-style: none;
}

.support-feature-item {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
    font-size: 18px;
    color: #1D1D1F;
}

.support-feature-item::before {
    content: "✓";
    width: 24px;
    height: 24px;
    background: #007AFF;
    border-radius: 50%;
    margin-right: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 14px;
}

.support-image {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.support-card {
    background: linear-gradient(135deg, #007AFF, #0077ED);
    border-radius: 24px;
    padding: 40px;
    color: white;
    text-align: center;
    width: 100%;
    max-width: 400px;
    opacity: 0;
    animation: fadeInUp 0.8s ease-out 0.4s forwards;
}

.support-card-title {
    font-size: 28px;
    font-weight: 600;
    margin-bottom: 16px;
}

.support-card-description {
    font-size: 16px;
    opacity: 0.9;
    margin-bottom: 24px;
}

.support-contact {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 20px;
}

.support-contact-item {
    margin-bottom: 12px;
    font-size: 16px;
}

.support-contact-item:last-child {
    margin-bottom: 0;
}

.support-button {
    display: inline-block;
    background: white;
    color: #007AFF;
    padding: 12px 24px;
    border-radius: 20px;
    text-decoration: none;
    font-weight: 500;
    transition: transform 0.3s ease;
}

.support-button:hover {
    transform: scale(1.05);
}

/* 价格部分 */
.pricing-section {
    padding: 100px 0;
    background-color: #F5F5F7;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.pricing-card {
    background: #fff;
    border-radius: 12px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    transition: transform 0.2s;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    height: 100%;
}

.pricing-card .download-btn {
    margin-top: auto;
    width: 100%;
    justify-content: center;
    background: #007AFF;
    color: white;
    padding: 12px 24px;
    border-radius: 6px;
    text-decoration: none;
    font-size: 16px;
    transition: background-color 0.2s;
    display: inline-flex;
    align-items: center;
}

.pricing-card .download-btn:hover {
    background: #0256b9;
}

.pricing-card.popular .download-btn {
    background: #007AFF;
}

.pricing-card.popular .download-btn:hover {
    background: #0256b9;
}

.pricing-grid .pricing-card:nth-child(1) { animation-delay: 0.2s; }
.pricing-grid .pricing-card:nth-child(2) { animation-delay: 0.4s; }
.pricing-grid .pricing-card:nth-child(3) { animation-delay: 0.6s; }

.pricing-card.popular {
    transform: scale(1.05);
    border: 2px solid #007AFF;
}

.pricing-card.popular::before {
    content: "推荐";
    position: absolute;
    top: 20px;
    right: -35px;
    background: #007AFF;
    color: white;
    padding: 8px 40px;
    transform: rotate(45deg);
    font-size: 14px;
}

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

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

.pricing-name {
    font-size: 24px;
    font-weight: 600;
    color: #1D1D1F;
    margin-bottom: 16px;
}

.pricing-price {
    font-size: 48px;
    font-weight: 700;
    color: #1D1D1F;
    margin-bottom: 24px;
}

.pricing-price span {
    font-size: 16px;
    font-weight: normal;
    color: #86868B;
}

.pricing-description {
    font-size: 16px;
    color: #86868B;
    margin-bottom: 32px;
}

.pricing-features {
    list-style: none;
    margin-bottom: 32px;
    text-align: left;
}

.pricing-feature-item {
    display: flex;
    align-items: center;
    margin-bottom: 16px;
    color: #1D1D1F;
    font-size: 16px;
}

.pricing-feature-item::before {
    content: "✓";
    width: 20px;
    height: 20px;
    background: #007AFF;
    border-radius: 50%;
    margin-right: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 12px;
    flex-shrink: 0;
}

/* 页脚样式 */
footer {
    background-color: #1D1D1F;
    color: #ffffff;
    padding: 80px 0 40px;
    margin-top: -1px;
}

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

.footer-grid {
    display: grid;
    grid-template-columns: 2fr repeat(3, 1fr);
    gap: 60px;
    margin-bottom: 60px;
}

.footer-brand {
    display: flex;
    flex-direction: column;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
    text-decoration: none;
}

.footer-logo img {
    width: 32px;
    height: 32px;
    object-fit: contain;
}

.footer-logo span {
    color: #ffffff;
    font-size: 24px;
    font-weight: 600;
}

.footer-description {
    color: rgba(255, 255, 255, 0.8);
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 20px;
}

.footer-social {
    display: flex;
    gap: 16px;
}

.footer-social a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s;
}

.footer-social a:hover {
    color: #ffffff;
}

.footer-links h3 {
    color: #ffffff;
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 20px;
}

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

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s;
}

.footer-links a:hover {
    color: #ffffff;
}

.footer-bottom {
    padding-top: 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    color: rgba(255, 255, 255, 0.8);
    font-size: 10px;
}

.copyright-text {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
}

/* 波浪动画样式 */
.wave-container {
    position: relative;
    width: 100%;
    height: 100px;
    overflow: hidden;
}

.waves {
    position: absolute;
    bottom: 0;
    width: 100%;
    height: 100px;
    min-height: 100px;
    max-height: 150px;
}

.parallax > use {
    animation: move-forever 25s cubic-bezier(.55,.5,.45,.5) infinite;
}
.parallax > use:nth-child(1) {
    animation-delay: -2s;
    animation-duration: 7s;
}
.parallax > use:nth-child(2) {
    animation-delay: -3s;
    animation-duration: 10s;
}
.parallax > use:nth-child(3) {
    animation-delay: -4s;
    animation-duration: 13s;
}
.parallax > use:nth-child(4) {
    animation-delay: -5s;
    animation-duration: 20s;
}

@keyframes move-forever {
    0% {
        transform: translate3d(-90px,0,0);
    }
    100% { 
        transform: translate3d(85px,0,0);
    }
}

/* 页面加载动画 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 文档部分样式 */
.docs-section {
    padding: 100px 0;
    background: #F5F5F7;
}

.docs-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.doc-card {
    background: white;
    border-radius: 20px;
    padding: 40px;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.doc-icon-wrapper {
    width: 160px;
    height: 160px;
    margin: 0 auto 24px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.doc-badge {
    position: absolute;
    top: -10px;
    right: -10px;
    background: #007AFF;
    color: white;
    padding: 4px 8px;
    border-radius: 8px;
    font-size: 12px;
    font-weight: 600;
}

.doc-title {
    font-size: 24px;
    font-weight: 600;
    color: #1D1D1F;
    margin-bottom: 16px;
}

.doc-description {
    font-size: 16px;
    color: #86868B;
    line-height: 1.5;
    margin-bottom: 24px;
    min-height: 72px;
}

.doc-button {
    display: inline-block;
    color: #007AFF;
    text-decoration: none;
    font-size: 16px;
    font-weight: 500;
}

/* 资源下载部分样式 */
.resources-section {
    padding: 100px 0;
    background: #F5F5F7;
}

.resources-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.resource-card {
    background: white;
    border-radius: 20px;
    padding: 40px;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.resource-icon-wrapper {
    width: 160px;
    height: 160px;
    margin: 0 auto 24px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.resource-badge {
    position: absolute;
    top: -10px;
    right: -10px;
    background: #007AFF;
    color: white;
    padding: 4px 8px;
    border-radius: 8px;
    font-size: 12px;
    font-weight: 600;
}

.resource-title {
    font-size: 24px;
    font-weight: 600;
    color: #1D1D1F;
    margin-bottom: 16px;
}

.resource-description {
    font-size: 16px;
    color: #86868B;
    line-height: 1.5;
    margin-bottom: 24px;
    min-height: 72px;
}

.resource-meta {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 24px;
    font-size: 14px;
    color: #86868B;
}

.resource-size, .resource-version {
    display: flex;
    align-items: center;
}

.resource-size::before {
    content: "📦";
    margin-right: 6px;
}

.resource-version::before {
    content: "🏷";
    margin-right: 6px;
}

.resource-button {
    display: inline-block;
    color: #007AFF;
    text-decoration: none;
    font-size: 16px;
    font-weight: 500;
}

@media (max-width: 768px) {
    .docs-grid, .resources-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
        padding: 0 16px;
    }
    
    .doc-icon-wrapper, .resource-icon-wrapper {
        width: 120px;
        height: 120px;
    }
}

@media (max-width: 480px) {
    .docs-grid, .resources-grid {
        grid-template-columns: 1fr;
        gap: 16px;
        padding: 0 12px;
    }
    
    .doc-icon-wrapper, .resource-icon-wrapper {
        width: 100px;
        height: 100px;
    }
}

/* 合作伙伴部分样式 */
.partners-section {
    padding: 80px 0 120px;
    background-color: #F5F5F7;
    overflow: hidden;
    position: relative;
}

.partners-container {
    width: 100%;
    margin: 0;
    padding: 0;
    overflow: hidden;
    white-space: nowrap;
}

.partners-grid {
    display: inline-flex;
    gap: 160px;
    animation: slideLeft 20s linear infinite;
    padding: 0 80px;
}

.partner-item {
    display: inline-block;
}

.partner-logo {
    width: 120px;
    height: auto;
    opacity: 1;
    vertical-align: middle;
}

@keyframes slideLeft {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

@media (max-width: 768px) {
    .partners-grid {
        gap: 100px;
        padding: 0 40px;
    }
    .partner-logo {
        width: 80px;
    }
}

@media (max-width: 480px) {
    .partners-grid {
        gap: 60px;
        padding: 0 20px;
    }
    .partner-logo {
        width: 60px;
    }
}