/* 全局样式重置 */
* {
    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: #0a192f;
    color: #e6f1ff;
}

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

/* 头部样式 */
.header {
    background-color: rgba(10, 25, 47, 0.95);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.2);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
    padding: 0 20px;
}

.logo h1 {
    font-size: 24px;
    color: #64ffda;
    text-shadow: 0 0 10px rgba(100, 255, 218, 0.3);
    margin-bottom: 5px;
}

.logo-subtitle {
    font-size: 14px;
    color: #8892b0;
    margin: 0;
}

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

.nav ul {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav ul li {
    margin-left: 30px;
}

.nav ul li a {
    text-decoration: none;
    color: #8892b0;
    font-weight: 500;
    transition: all 0.3s;
    font-size: 16px;
}

.nav ul li a:hover {
    color: #64ffda;
}

/* 移动端导航菜单按钮 */
.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 21px;
    cursor: pointer;
    z-index: 1001;
}

.menu-toggle span {
    display: block;
    height: 3px;
    width: 100%;
    background-color: #64ffda;
    border-radius: 3px;
    transition: all 0.3s ease;
}

/* 响应式导航样式 */
@media (max-width: 991px) {
    .menu-toggle {
        display: flex;
    }

    .nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background-color: rgba(10, 25, 47, 0.98);
        padding: 80px 20px 20px;
        transition: right 0.3s ease;
        box-shadow: -5px 0 15px rgba(0, 0, 0, 0.2);
    }

    .nav.active {
        right: 0;
    }

    .nav ul {
        flex-direction: column;
        align-items: flex-start;
    }

    .nav ul li {
        margin: 0;
        width: 100%;
        padding: 10px 0;
        border-bottom: 1px solid rgba(100, 255, 218, 0.1);
    }

    .nav ul li:last-child {
        border-bottom: none;
    }

    .nav ul li a {
        display: block;
        padding: 10px 0;
        font-size: 16px;
    }

    /* 菜单按钮动画 */
    .menu-toggle.active span:nth-child(1) {
        transform: translateY(9px) rotate(45deg);
    }

    .menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .menu-toggle.active span:nth-child(3) {
        transform: translateY(-9px) rotate(-45deg);
    }
}

@media (max-width: 767px) {
    .header .container {
        height: 70px;
        padding: 0 15px;
    }

    .logo h1 {
        font-size: 20px;
    }

    .logo-subtitle {
        font-size: 12px;
    }

    .nav {
        width: 250px;
    }

    .nav ul li a {
        font-size: 15px;
    }
}

@media (max-width: 575px) {
    .header .container {
        height: 60px;
        padding: 0 10px;
    }

    .logo h1 {
        font-size: 18px;
    }

    .logo-subtitle {
        font-size: 11px;
    }

    .nav {
        width: 220px;
    }

    .nav ul li a {
        font-size: 14px;
    }
}

/* 英雄区域样式 */
.hero {
    background: linear-gradient(135deg, #0a192f 0%, #112240 100%);
    color: #e6f1ff;
    padding: 160px 0 100px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at center, rgba(100, 255, 218, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.hero-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
}

.hero-content {
    flex: 1;
    max-width: 600px;
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.hero-image img {
    max-width: 100%;
    height: auto;
    max-height: 400px;
    object-fit: contain;
}

.floating {
    animation: floating 3s ease-in-out infinite;
}

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

.hero-content h2 {
    font-size: 48px;
    margin-bottom: 20px;
    color: #64ffda;
    text-shadow: 0 0 20px rgba(100, 255, 218, 0.3);
}

.hero-content p {
    font-size: 20px;
    margin-bottom: 30px;
    color: #8892b0;
}

.hero-stats {
    display: flex;
    justify-content: flex-start;
    gap: 60px;
    margin: 40px 0;
}

.stat-item {
    text-align: left;
}

.stat-number {
    display: block;
    font-size: 36px;
    font-weight: bold;
    margin-bottom: 10px;
    color: #64ffda;
}

.stat-text {
    font-size: 18px;
    color: #8892b0;
}

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 12px 30px;
    background-color: transparent;
    color: #64ffda;
    text-decoration: none;
    border: 2px solid #64ffda;
    border-radius: 5px;
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
}

.btn:hover {
    background-color: rgba(100, 255, 218, 0.1);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(100, 255, 218, 0.2);
}

/* 功能特点区域 */
.features {
    padding: 100px 0;
    background-color: #112240;
    position: relative;
}

.features::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, #64ffda, transparent);
}

.section-title {
    text-align: center;
    font-size: 36px;
    margin-bottom: 60px;
    color: #64ffda;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.feature-card {
    background: rgba(17, 34, 64, 0.7);
    border: 1px solid rgba(100, 255, 218, 0.1);
    border-radius: 15px;
    padding: 25px;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: #64ffda;
    box-shadow: 0 8px 25px rgba(100, 255, 218, 0.2);
}

.feature-icon {
    font-size: 32px;
    margin-bottom: 15px;
    display: inline-block;
    background: rgba(100, 255, 218, 0.1);
    padding: 12px;
    border-radius: 10px;
}

.feature-card h3 {
    color: #64ffda;
    font-size: 20px;
    margin-bottom: 12px;
}

.feature-card > p {
    color: #8892b0;
    margin-bottom: 20px;
    font-size: 14px;
    line-height: 1.5;
}

.feature-list {
    list-style: none;
    margin-top: auto;
}

.feature-list li {
    display: flex;
    align-items: flex-start;
    margin-bottom: 15px;
    padding: 12px;
    background: rgba(10, 25, 47, 0.5);
    border-radius: 8px;
    transition: all 0.3s ease;
}

.feature-list li:hover {
    background: rgba(100, 255, 218, 0.1);
    transform: translateX(5px);
}

.feature-icon-small {
    font-size: 20px;
    margin-right: 12px;
    flex-shrink: 0;
}

.feature-detail {
    flex-grow: 1;
}

.feature-detail h4 {
    color: #64ffda;
    font-size: 16px;
    margin-bottom: 4px;
}

.feature-detail p {
    color: #8892b0;
    font-size: 13px;
    line-height: 1.4;
}

/* 产品优势区域 */
.advantages {
    padding: 100px 0;
    background-color: #0a192f;
    position: relative;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.advantage-card {
    background: rgba(17, 34, 64, 0.7);
    border: 1px solid rgba(100, 255, 218, 0.1);
    border-radius: 15px;
    padding: 25px;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    height: 100%;
}

.advantage-card:hover {
    transform: translateY(-5px);
    border-color: #64ffda;
    box-shadow: 0 8px 25px rgba(100, 255, 218, 0.2);
}

.advantage-icon {
    font-size: 32px;
    margin-bottom: 15px;
    display: inline-block;
    background: rgba(100, 255, 218, 0.1);
    padding: 12px;
    border-radius: 10px;
}

.advantage-content h3 {
    color: #64ffda;
    font-size: 20px;
    margin-bottom: 12px;
}

.advantage-content p {
    color: #8892b0;
    margin-bottom: 15px;
    line-height: 1.5;
    font-size: 14px;
}

.advantage-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px solid rgba(100, 255, 218, 0.1);
}

.advantage-stats .stat-item {
    text-align: center;
}

.advantage-stats .stat-number {
    display: block;
    font-size: 24px;
    font-weight: bold;
    color: #64ffda;
    margin-bottom: 5px;
}

.advantage-stats .stat-text {
    font-size: 12px;
    color: #8892b0;
}

.advantage-list {
    list-style: none;
    margin-top: 15px;
}

.advantage-list li {
    display: flex;
    align-items: center;
    margin-bottom: 10px;
    padding: 8px;
    background: rgba(10, 25, 47, 0.5);
    border-radius: 6px;
    transition: all 0.3s ease;
}

.advantage-list li:hover {
    background: rgba(100, 255, 218, 0.1);
    transform: translateX(5px);
}

.advantage-icon-small {
    font-size: 16px;
    margin-right: 8px;
}

.advantage-list li span:last-child {
    color: #8892b0;
    font-size: 13px;
}

/* 下载区域 */
.download {
    padding: 100px 0;
    background-color: #112240;
    position: relative;
}

.download-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.download-card {
    background: rgba(17, 34, 64, 0.7);
    border: 1px solid rgba(100, 255, 218, 0.1);
    border-radius: 15px;
    padding: 25px;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    height: 100%;
}

.download-card:hover {
    transform: translateY(-5px);
    border-color: #64ffda;
    box-shadow: 0 8px 25px rgba(100, 255, 218, 0.2);
}

.download-icon {
    font-size: 32px;
    margin-bottom: 15px;
    display: inline-block;
    background: rgba(100, 255, 218, 0.1);
    padding: 12px;
    border-radius: 10px;
}

.download-content h3 {
    color: #64ffda;
    font-size: 20px;
    margin-bottom: 12px;
}

.download-content p {
    color: #8892b0;
    margin-bottom: 15px;
    line-height: 1.5;
    font-size: 14px;
}

.download-info {
    margin: 15px 0;
    padding: 12px;
    background: rgba(10, 25, 47, 0.5);
    border-radius: 8px;
    border: 1px solid rgba(100, 255, 218, 0.1);
}

.info-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 6px 0;
    border-bottom: 1px solid rgba(100, 255, 218, 0.1);
}

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

.info-label {
    color: #8892b0;
    font-size: 13px;
}

.info-value {
    color: #64ffda;
    font-size: 13px;
    font-weight: 500;
}

.btn {
    display: inline-block;
    width: 100%;
    text-align: center;
    padding: 10px 20px;
    margin-top: 15px;
    background-color: transparent;
    color: #64ffda;
    text-decoration: none;
    border: 1px solid #64ffda;
    border-radius: 5px;
    transition: all 0.3s;
}

.btn:hover {
    background-color: rgba(100, 255, 218, 0.1);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(100, 255, 218, 0.2);
}

/* 使用指南区域 */
.guide {
    padding: 100px 0;
    background-color: #0a192f;
    position: relative;
}

.guide-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.guide-card {
    background: rgba(17, 34, 64, 0.7);
    border: 1px solid rgba(100, 255, 218, 0.1);
    border-radius: 15px;
    padding: 25px;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    height: 100%;
}

.guide-card:hover {
    transform: translateY(-5px);
    border-color: #64ffda;
    box-shadow: 0 8px 25px rgba(100, 255, 218, 0.2);
}

.guide-icon {
    font-size: 32px;
    margin-bottom: 15px;
    display: inline-block;
    background: rgba(100, 255, 218, 0.1);
    padding: 12px;
    border-radius: 10px;
}

.guide-content h3 {
    color: #64ffda;
    font-size: 20px;
    margin-bottom: 12px;
}

.guide-content p {
    color: #8892b0;
    margin-bottom: 15px;
    line-height: 1.5;
    font-size: 14px;
}

.guide-list {
    list-style: none;
    margin-top: 15px;
}

.guide-list li {
    display: flex;
    align-items: center;
    margin-bottom: 10px;
    padding: 8px;
    background: rgba(10, 25, 47, 0.5);
    border-radius: 6px;
    transition: all 0.3s ease;
}

.guide-list li:hover {
    background: rgba(100, 255, 218, 0.1);
    transform: translateX(5px);
}

.guide-icon-small {
    font-size: 16px;
    margin-right: 8px;
}

.guide-list li span:last-child {
    color: #8892b0;
    font-size: 13px;
}

/* FAQ区域 */
.faq {
    padding: 100px 0;
    background-color: #112240;
    position: relative;
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.faq-card {
    background: rgba(17, 34, 64, 0.7);
    border: 1px solid rgba(100, 255, 218, 0.1);
    border-radius: 15px;
    padding: 25px;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    height: 100%;
}

.faq-card:hover {
    transform: translateY(-5px);
    border-color: #64ffda;
    box-shadow: 0 8px 25px rgba(100, 255, 218, 0.2);
}

.faq-icon {
    font-size: 32px;
    margin-bottom: 15px;
    display: inline-block;
    background: rgba(100, 255, 218, 0.1);
    padding: 12px;
    border-radius: 10px;
}

.faq-content h3 {
    color: #64ffda;
    font-size: 20px;
    margin-bottom: 12px;
}

.faq-content p {
    color: #8892b0;
    margin-bottom: 15px;
    line-height: 1.5;
    font-size: 14px;
}

.faq-list {
    list-style: none;
    margin-top: 15px;
}

.faq-list li {
    display: flex;
    align-items: center;
    margin-bottom: 10px;
    padding: 8px;
    background: rgba(10, 25, 47, 0.5);
    border-radius: 6px;
    transition: all 0.3s ease;
}

.faq-list li:hover {
    background: rgba(100, 255, 218, 0.1);
    transform: translateX(5px);
}

.faq-icon-small {
    font-size: 16px;
    margin-right: 8px;
}

.faq-list li span:last-child {
    color: #8892b0;
    font-size: 13px;
}

/* 联系我们区域 */
.contact {
    padding: 100px 0;
    background-color: #0a192f;
    position: relative;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.contact-card {
    background: rgba(17, 34, 64, 0.7);
    border: 1px solid rgba(100, 255, 218, 0.1);
    border-radius: 15px;
    padding: 25px;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    height: 100%;
}

.contact-card:hover {
    transform: translateY(-5px);
    border-color: #64ffda;
    box-shadow: 0 8px 25px rgba(100, 255, 218, 0.2);
}

.contact-icon {
    font-size: 32px;
    margin-bottom: 15px;
    display: inline-block;
    background: rgba(100, 255, 218, 0.1);
    padding: 12px;
    border-radius: 10px;
}

.contact-content h3 {
    color: #64ffda;
    font-size: 20px;
    margin-bottom: 12px;
}

.contact-content p {
    color: #8892b0;
    margin-bottom: 15px;
    line-height: 1.5;
    font-size: 14px;
}

.contact-list {
    list-style: none;
    margin-top: 15px;
}

.contact-list li {
    display: flex;
    align-items: center;
    margin-bottom: 10px;
    padding: 8px;
    background: rgba(10, 25, 47, 0.5);
    border-radius: 6px;
    transition: all 0.3s ease;
}

.contact-list li:hover {
    background: rgba(100, 255, 218, 0.1);
    transform: translateX(5px);
}

.contact-icon-small {
    font-size: 16px;
    margin-right: 8px;
}

.contact-list li span:last-child {
    color: #8892b0;
    font-size: 13px;
}

/* 页脚样式 */
.footer {
    background-color: #0a192f;
    color: #8892b0;
    padding: 30px 0;
    text-align: center;
    border-top: 1px solid rgba(100, 255, 218, 0.1);
}

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

.footer-info p {
    margin: 10px 0;
    opacity: 0.8;
}

/* 友情链接样式 */
.footer-links {
    margin: 30px 0;
    padding: 20px 0;
    border-top: 1px solid rgba(100, 255, 218, 0.1);
    border-bottom: 1px solid rgba(100, 255, 218, 0.1);
}

.footer-links h4 {
    color: #64ffda;
    font-size: 18px;
    margin-bottom: 15px;
}

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

.footer-links ul li a {
    color: #8892b0;
    text-decoration: none;
    transition: all 0.3s;
    font-size: 14px;
}

.footer-links ul li a:hover {
    color: #64ffda;
}

/* 统计代码样式 */
.footer-stats {
    margin-top: 20px;
    font-size: 13px;
}

.footer-stats p {
    margin: 5px 0;
}

.footer-stats a {
    color: #8892b0;
    text-decoration: none;
    transition: all 0.3s;
}

.footer-stats a:hover {
    color: #64ffda;
}

/* 响应式设计 */
/* 大屏幕 (1200px以上) */
@media (min-width: 1201px) {
    .container {
        max-width: 1200px;
    }

    .hero-wrapper {
        gap: 60px;
    }

    .hero-content h2 {
        font-size: 48px;
    }

    .hero-image img {
        max-height: 450px;
    }

    .features-grid,
    .advantages-grid,
    .download-grid,
    .guide-grid,
    .faq-grid,
    .contact-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* 中等屏幕 (992px - 1200px) */
@media (max-width: 1200px) {
    .container {
        max-width: 960px;
        padding: 0 30px;
    }

    .hero-content h2 {
        font-size: 40px;
    }

    .hero-image img {
        max-height: 400px;
    }

    .features-grid,
    .advantages-grid,
    .download-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 25px;
    }

    .guide-grid,
    .faq-grid,
    .contact-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 25px;
    }

    .section-title {
        font-size: 32px;
    }
}

/* 平板 (768px - 991px) */
@media (max-width: 991px) {
    .container {
        max-width: 720px;
        padding: 0 20px;
    }

    .header .container {
        padding: 15px 20px;
    }

    .hero-wrapper {
        flex-direction: column;
        text-align: center;
        gap: 40px;
    }

    .hero-content {
        max-width: 100%;
    }

    .hero-content h2 {
        font-size: 36px;
    }

    .hero-image {
        order: -1;
    }

    .hero-image img {
        max-height: 350px;
    }

    .hero-stats {
        justify-content: center;
    }

    .stat-item {
        text-align: center;
    }

    .features-grid,
    .advantages-grid,
    .download-grid,
    .guide-grid,
    .faq-grid,
    .contact-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

    .section-title {
        font-size: 28px;
    }

    .feature-card,
    .advantage-card,
    .download-card,
    .guide-card,
    .faq-card,
    .contact-card {
        padding: 20px;
    }
}

/* 手机 (576px - 767px) */
@media (max-width: 767px) {
    .container {
        max-width: 540px;
        padding: 0 15px;
    }

    .header .container {
        flex-direction: column;
        height: auto;
        padding: 15px;
    }

    .nav ul {
        margin-top: 15px;
        flex-direction: column;
        text-align: center;
    }

    .nav ul li {
        margin: 8px 0;
    }

    .hero {
        padding: 120px 0 60px;
    }

    .hero-content h2 {
        font-size: 32px;
    }

    .hero-content p {
        font-size: 16px;
    }

    .hero-image img {
        max-height: 300px;
    }

    .hero-stats {
        flex-direction: column;
        gap: 20px;
    }

    .features-grid,
    .advantages-grid,
    .download-grid,
    .guide-grid,
    .faq-grid,
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .section-title {
        font-size: 24px;
        margin-bottom: 30px;
    }

    .feature-card,
    .advantage-card,
    .download-card,
    .guide-card,
    .faq-card,
    .contact-card {
        padding: 20px;
    }

    .feature-icon,
    .advantage-icon,
    .download-icon,
    .guide-icon,
    .faq-icon,
    .contact-icon {
        font-size: 28px;
        padding: 10px;
    }

    .feature-content h3,
    .advantage-content h3,
    .download-content h3,
    .guide-content h3,
    .faq-content h3,
    .contact-content h3 {
        font-size: 18px;
    }

    .footer-links ul {
        flex-direction: column;
        gap: 10px;
    }

    .footer-links ul li {
        text-align: center;
    }

    .footer-stats {
        font-size: 12px;
    }
}

/* 小屏手机 (575px以下) */
@media (max-width: 575px) {
    .container {
        padding: 0 10px;
    }

    .hero {
        padding: 100px 0 40px;
    }

    .hero-content h2 {
        font-size: 28px;
    }

    .hero-content p {
        font-size: 14px;
    }

    .hero-image img {
        max-height: 250px;
    }

    .btn {
        padding: 10px 20px;
        font-size: 14px;
    }

    .stat-number {
        font-size: 24px;
    }

    .stat-text {
        font-size: 14px;
    }

    .feature-list li,
    .advantage-list li,
    .guide-list li,
    .faq-list li,
    .contact-list li {
        padding: 8px;
        font-size: 13px;
    }

    .feature-icon-small,
    .advantage-icon-small,
    .guide-icon-small,
    .faq-icon-small,
    .contact-icon-small {
        font-size: 14px;
    }
}