/* 基础样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: #0a0a0a;
    color: #ffffff;
    line-height: 1.6;
    overflow-x: hidden;
}

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

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 600;
    font-size: 1.2rem;
}

.nav-logo img {
    width: 40px;
    height: 40px;
    border-radius: 8px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
    margin: 0;
}

.nav-link {
    color: #ffffff;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: #00d4ff;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #00d4ff, #0099cc);
    transition: width 0.3s ease;
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

/* 下拉菜单 */
.dropdown {
    position: relative;
}

.dropdown-content {
    position: absolute;
    top: 100%;
    left: 0;
    background: rgba(15, 15, 15, 0.95);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    padding: 10px 0;
    min-width: 160px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
}

.dropdown:hover .dropdown-content {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-content a {
    display: block;
    padding: 8px 16px;
    color: #ffffff;
    text-decoration: none;
    transition: background-color 0.3s ease;
}

.dropdown-content a:hover {
    background-color: rgba(0, 212, 255, 0.1);
    color: #00d4ff;
}

.nav-download .download-btn {
    background: linear-gradient(135deg, #00d4ff, #0099cc);
    color: white;
    padding: 10px 20px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-download .download-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 212, 255, 0.3);
}

/* 汉堡菜单 */
.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: #ffffff;
    transition: all 0.3s ease;
}

/* Hero 区域 */
.hero {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
}

.hero-bg video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        135deg,
        rgba(10, 10, 10, 0.92) 0%,
        rgba(0, 212, 255, 0.05) 50%,
        rgba(10, 10, 10, 0.92) 100%
    );
    z-index: -1;
}

.hero-content {
    text-align: center;
    z-index: 2;
    position: relative;
}

.hero-title {
    font-size: 4rem;
    font-weight: 700;
    margin-bottom: 20px;
    background: linear-gradient(135deg, #ffffff, #00d4ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.title-main {
    display: block;
    margin-bottom: 10px;
}

.title-sub {
    display: block;
    font-size: 1.5rem;
    font-weight: 400;
    color: #cccccc;
}

.hero-description {
    font-size: 1.2rem;
    color: #cccccc;
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 60px;
}

/* Hero区域内的统计数据 */
.hero-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 30px;
    margin-top: 60px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.hero-stat-item {
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: 15px;
    padding: 20px;
    text-align: center;
    transition: all 0.3s ease;
}

.hero-stat-item:hover {
    background: rgba(0, 212, 255, 0.1);
    border-color: rgba(0, 212, 255, 0.4);
    transform: translateY(-5px);
}

.hero-stat-number {
    font-size: 1.8rem;
    font-weight: 700;
    color: #00d4ff;
    margin-bottom: 5px;
    text-shadow: 0 0 10px rgba(0, 212, 255, 0.3);
}

.hero-stat-label {
    font-size: 0.9rem;
    color: #ffffff;
    opacity: 0.9;
}

/* Hero区域人物图片轮播 */
.hero-characters {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    pointer-events: none;
}

.character-left, .character-right {
    position: absolute;
    bottom: 0;
    height: 80%;
    max-height: 600px;
    width: auto;
    opacity: 0;
    transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.character-left {
    left: 5%;
    transform: translateX(-100px);
}

.character-right {
    right: 5%;
    transform: translateX(100px);
}

.character-left.active {
    opacity: 0.8;
    transform: translateX(0);
}

.character-right.active {
    opacity: 0.8;
    transform: translateX(0);
}

/* 按钮样式 */
.btn {
    padding: 15px 30px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background: linear-gradient(135deg, #00d4ff, #0099cc);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.4);
}

.btn-secondary {
    background: transparent;
    color: #ffffff;
    border: 2px solid #00d4ff;
}

.btn-secondary:hover {
    background: #00d4ff;
    color: #000000;
    transform: translateY(-3px);
}

/* 统计数据区域样式已移动到hero区域 */

/* 对比滑动器 */
.comparison {
    padding: 100px 0;
    background: #0a0a0a;
}

.section-title {
    font-size: 3rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 20px;
    background: linear-gradient(135deg, #ffffff, #00d4ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: 1.2rem;
    color: #cccccc;
    text-align: center;
    margin-bottom: 60px;
}

.comparison-container {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}

.comparison-slider {
    position: relative;
    width: 100%;
    height: 400px;
    border-radius: 15px;
    overflow: hidden;
    border: 2px solid rgba(0, 212, 255, 0.3);
    box-shadow: 0 20px 60px rgba(0, 212, 255, 0.2);
}

.comparison-image-before,
.comparison-image-after {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.comparison-image-before img,
.comparison-image-after img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.comparison-image-after {
    clip-path: polygon(50% 0%, 100% 0%, 100% 100%, 50% 100%);
    transition: clip-path 0.3s ease;
}

.image-label {
    position: absolute;
    top: 20px;
    left: 20px;
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 8px 16px;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.9rem;
}

.comparison-image-after .image-label {
    right: 20px;
    left: auto;
}

.comparison-handle {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    height: 100%;
    width: 4px;
    cursor: ew-resize;
    z-index: 10;
}

.handle-line {
    width: 2px;
    height: 100%;
    background: #00d4ff;
    margin: 0 auto;
    box-shadow: 0 0 10px rgba(0, 212, 255, 0.5);
}

.handle-circle {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 40px;
    height: 40px;
    background: #00d4ff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #000000;
    font-weight: bold;
    box-shadow: 0 5px 15px rgba(0, 212, 255, 0.4);
}

/* 高光展示 */
.highlights {
    padding: 100px 0;
    background: linear-gradient(135deg, #0f0f0f, #1a1a1a);
}

.highlights-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    margin-top: 60px;
}

.highlight-item {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 15px;
    padding: 30px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
    text-align: center;
}

.highlight-item:hover {
    transform: translateY(-10px);
    background: rgba(0, 212, 255, 0.1);
    border-color: rgba(0, 212, 255, 0.3);
}

.highlight-video {
    width: 100%;
    height: 200px;
    background: #1a1a1a;
    border-radius: 10px;
    margin-bottom: 20px;
    position: relative;
    overflow: hidden;
}

.video-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #1a1a1a, #2a2a2a);
    color: #00d4ff;
    cursor: pointer;
    transition: all 0.3s ease;
}

.video-placeholder:hover {
    background: linear-gradient(135deg, #2a2a2a, #3a3a3a);
}

.video-placeholder i {
    font-size: 3rem;
    margin-bottom: 10px;
}

.highlight-item h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
    color: #ffffff;
}

.highlight-item p {
    color: #cccccc;
}

/* 优势展示 */
.advantages {
    padding: 100px 0;
    background: #0a0a0a;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
    margin-top: 60px;
}

.advantage-item {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 15px;
    padding: 40px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
    text-align: center;
}

.advantage-item:hover {
    transform: translateY(-10px);
    background: rgba(0, 212, 255, 0.1);
    border-color: rgba(0, 212, 255, 0.3);
}

.advantage-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #00d4ff, #0099cc);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 2rem;
    color: #000000;
}

.advantage-item h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: #ffffff;
}

.advantage-item p {
    color: #cccccc;
    line-height: 1.8;
}

/* 公司实力 */
.company-strength {
    padding: 100px 0;
    background: linear-gradient(135deg, #0f0f0f, #1a1a1a);
}

.company-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    margin-top: 60px;
    align-items: start;
}

.company-info h3 {
    font-size: 2rem;
    margin-bottom: 20px;
    color: #00d4ff;
}

.company-info p {
    color: #cccccc;
    line-height: 1.8;
    margin-bottom: 20px;
}

.company-info strong {
    color: #00d4ff;
}

.company-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 30px;
}

.company-stat {
    text-align: center;
    padding: 20px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.company-stat strong {
    display: block;
    font-size: 1.5rem;
    color: #00d4ff;
    margin-bottom: 5px;
}

.company-stat span {
    color: #cccccc;
    font-size: 0.9rem;
}

.certificates h4 {
    font-size: 1.5rem;
    margin-bottom: 20px;
    color: #ffffff;
}

.cert-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 15px;
}

.cert-grid img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.cert-grid img:hover {
    transform: scale(1.05);
    border-color: rgba(0, 212, 255, 0.3);
}

/* 网络信息代码框 */
.network-info {
    margin-top: 30px;
}

.network-info h4 {
    font-size: 1.2rem;
    margin-bottom: 15px;
    color: #00d4ff;
    display: flex;
    align-items: center;
    gap: 8px;
}

.code-block {
    background: #1a1a1a;
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: 8px;
    padding: 20px;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    line-height: 1.6;
    color: #e6e6e6;
    position: relative;
    overflow-x: auto;
}

.code-block::before {
    content: '';
    position: absolute;
    top: 8px;
    right: 12px;
    background: rgba(0, 212, 255, 0.1);
    color: #00d4ff;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 600;
}

.code-block .json-key {
    color: #ff6b6b;
}

.code-block .json-string {
    color: #4ecdc4;
}

.code-block .json-bracket {
    color: #00d4ff;
    font-weight: bold;
}

.copy-btn {
    position: absolute;
    bottom: 8px;
    right: 12px;
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid rgba(0, 212, 255, 0.3);
    color: #00d4ff;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 0.7rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.copy-btn:hover {
    background: rgba(0, 212, 255, 0.2);
    border-color: rgba(0, 212, 255, 0.5);
}

/* 下载区域 */
.download-section {
    padding: 100px 0;
    background: #0a0a0a;
}

.download-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    margin: 60px 0;
}

.download-card {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 15px;
    padding: 40px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    transition: all 0.3s ease;
}

.download-card:hover {
    transform: translateY(-10px);
    background: rgba(0, 212, 255, 0.1);
    border-color: rgba(0, 212, 255, 0.3);
}

.download-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #00d4ff, #0099cc);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 2rem;
    color: #000000;
}

.download-card h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
    color: #ffffff;
}

.download-card p {
    color: #cccccc;
    margin-bottom: 25px;
}

.qr-code {
    text-align: center;
    margin-top: 40px;
}

.qr-code img {
    width: 150px;
    height: 150px;
    border-radius: 10px;
    border: 2px solid rgba(0, 212, 255, 0.3);
    margin-bottom: 15px;
}

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

/* 页脚 */
.footer {
    background: #000000;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 40px 0 15px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 25px;
}

.footer-section h4 {
    color: #00d4ff;
    margin-bottom: 15px;
    font-size: 1.1rem;
}

.footer-section p {
    color: #cccccc;
    margin-bottom: 6px;
    line-height: 1.5;
    font-size: 0.9rem;
}

.footer-section li {
    color: #cccccc;
    margin-bottom: 6px;
    line-height: 1.5;
    font-size: 0.9rem;
}

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

.footer-section a {
    color: #cccccc;
    text-decoration: none;
    transition: all 0.3s ease;
    padding: 4px 8px;
    border-radius: 4px;
    display: inline-block;
    margin: 1px 0;
    border: 1px solid transparent;
}

.footer-section a:hover {
    color: #00d4ff;
    background: rgba(0, 212, 255, 0.1);
    border-color: rgba(0, 212, 255, 0.2);
    transform: translateX(3px);
}

/* 页脚底部的p标签内的a标签 */
.footer-bottom p {
    margin-bottom: 4px;
    font-size: 0.85rem;
    line-height: 1.4;
}

.footer-bottom a {
    color: #888888;
    text-decoration: none;
    transition: all 0.3s ease;
    padding: 2px 6px;
    border-radius: 3px;
    margin: 0 2px;
}

.footer-bottom a:hover {
    color: #00d4ff;
    background: rgba(0, 212, 255, 0.1);
}

.social-links {
    display: flex;
    gap: 12px;
    margin-top: 15px;
}

.social-links a {
    width: 36px;
    height: 36px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    padding: 0;
    margin: 0;
}

.social-links a:hover {
    background: #00d4ff;
    color: #000000;
    transform: translateY(-2px);
}

.footer-bottom {
    text-align: center;
    padding-top: 15px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: #666666;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: rgba(10, 10, 10, 0.95);
        backdrop-filter: blur(10px);
        flex-direction: column;
        align-items: center;
        justify-content: flex-start;
        padding-top: 50px;
        transition: left 0.3s ease;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-menu li {
        margin: 20px 0;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .title-sub {
        font-size: 1.2rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .company-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .company-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .cert-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .hero-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    .advantages-grid,
    .highlights-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .hero-stats {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .hero-stat-number {
        font-size: 1.5rem;
    }
    
    .character-left, .character-right {
        height: 60%;
        max-height: 400px;
    }
    
    .character-left {
        left: -5%;
        transform: translateX(-80px);
    }
    
    .character-right {
        right: -5%;
        transform: translateX(80px);
    }
    
    .character-left.active {
        opacity: 0.6;
        transform: translateX(0);
    }
    
    .character-right.active {
        opacity: 0.6;
        transform: translateX(0);
    }
    
    .company-stats {
        grid-template-columns: 1fr;
    }
    
    .comparison-slider {
        height: 250px;
    }
}

/* 动画效果 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* 滚动条样式 */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #1a1a1a;
}

::-webkit-scrollbar-thumb {
    background: #00d4ff;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #0099cc;
}