/* 全局样式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #00a8e1;
    --secondary-color: #1a1a2e;
    --accent-color: #ff6b6b;
    --accent-secondary: #ff8e53;
    --text-light: #ffffff;
    --text-dark: #333333;
    --bg-light: #f8f9fa;
    --bg-dark: #1a1a2e;
    --gradient-primary: linear-gradient(135deg, #00a8e1 0%, #0066cc 100%);
    --gradient-secondary: linear-gradient(135deg, #ff6b6b 0%, #ff8e53 100%);
    --gradient-dark: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 15px 40px rgba(0, 0, 0, 0.2);
    --shadow-large: 0 20px 60px rgba(0, 0, 0, 0.3);
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif, -apple-system, BlinkMacSystemFont;
    line-height: 1.6;
    color: var(--text-dark);
    overflow-x: hidden;
}

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

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(26, 26, 46, 0.95);
    backdrop-filter: blur(10px);
    padding: 15px 0;
    z-index: 1000;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
    border-bottom: 1px solid rgba(0, 168, 225, 0.1);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 28px;
    font-weight: bold;
    color: var(--primary-color);
    letter-spacing: 1px;
    display: flex;
    align-items: center;
}

.logo-image {
    height: 50px;
    width: auto;
    display: block;
    transition: transform 0.3s ease;
}

.logo-image:hover {
    transform: scale(1.05);
}

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

.nav-menu a {
    color: var(--text-light);
    text-decoration: none;
    font-size: 16px;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width 0.3s ease;
}

.nav-menu a:hover {
    color: var(--primary-color);
}

.nav-menu a:hover::after {
    width: 100%;
}

/* 主横幅 */
.hero {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: 
        linear-gradient(rgba(26, 26, 46, 0.7), rgba(26, 26, 46, 0.8)),
        url('images/hero-bg.svg') center/cover no-repeat;
    background-attachment: fixed;
    overflow: hidden;
}

@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(0, 168, 225, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(255, 107, 107, 0.1) 0%, transparent 50%);
    animation: pulseGlow 8s ease-in-out infinite;
}

@keyframes pulseGlow {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
}

.hero-content {
    position: relative;
    z-index: 2;
    padding: 0 20px;
    max-width: 800px;
}

.hero-title {
    font-size: 64px;
    font-weight: 800;
    color: var(--text-light);
    margin-bottom: 20px;
    animation: fadeInUp 1s ease;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: 28px;
    color: var(--primary-color);
    margin-bottom: 15px;
    animation: fadeInUp 1s ease 0.2s backwards;
}

.hero-description {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 40px;
    animation: fadeInUp 1s ease 0.4s backwards;
}

.cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 1s ease 0.6s backwards;
}

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

.cta-button {
    padding: 18px 45px;
    font-size: 18px;
    font-weight: 600;
    color: var(--text-light);
    background: var(--gradient-primary);
    border: none;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 10px 25px rgba(0, 168, 225, 0.3);
    text-decoration: none;
    display: inline-block;
}

.cta-button.primary {
    background: var(--gradient-primary);
}

.cta-button.secondary {
    background: linear-gradient(135deg, #ff6b6b 0%, #ff8e53 100%);
    box-shadow: 0 10px 25px rgba(255, 107, 107, 0.3);
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 35px rgba(0, 168, 225, 0.4);
}

.cta-button.secondary:hover {
    box-shadow: 0 15px 35px rgba(255, 107, 107, 0.4);
}

/* 关于部分 */
.about {
    padding: 100px 0;
    background: var(--bg-light);
}

.section-title {
    font-size: 42px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 50px;
    color: var(--secondary-color);
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

.about-content {
    max-width: 900px;
    margin: 0 auto;
    font-size: 18px;
    line-height: 1.8;
    color: var(--text-dark);
}

.about-content p {
    margin-bottom: 20px;
}

/* 特色功能 */
.features {
    padding: 100linear-gradient(180deg, white 0%, #f8f9fa 100%)
    background: white;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
    margin-top: 60px;
}

.feature-card {
    background: white;
    padding: 40px 30px;
    border-radius: 20px;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: var(--shadow);
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 168, 225, 0.1), transparent);
    transition: left 0.5s ease;
}

.feature-card:hover::before {
    left: 100%;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-large);
    border-color: var(--primary-color);
}

.feature-icon {
    font-size: 56px;
    margin-bottom: 20px;
    display: inline-block;
    animation: bounce 2s ease infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

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

.feature-card h3 {
    font-size: 24px;
    margin-bottom: 15px;
    color: var(--secondary-color);
}

.feature-card p {
    font-size: 16px;
    color: #666;
    line-height: 1.6;
}

/* 原创内容 */
.originals {
    padding: 100px 0;
    background: var(--gradient-dark);
    color: var(--text-light);
}

.originals .section-title {
    color: var(--text-light);
}

.originals .section-title::after {
    background: var(--primary-color);
}

.originals-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 60px;
}

.original-card {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 15px;
    overflow: hidden;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
}

.original-card:hover {
    transform: scale(1.05);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.original-image {
    width: 100%;
    height: 400px;
    object-fit: cover;
    display: block;
    transition: transform 0.3s ease;
}

.original-card:hover .original-image {
    transform: scale(1.1);
}

.original-content {
    position: relative;
    z-index: 2;
}

.original-card h3 {
    padding: 20px 20px 10px;
    font-size: 22px;
}

.original-card p {
    padding: 0 20px 20px;
    font-size: 15px;
    color: rgba(255, 255, 255, 0.8);
}

/* 内容类型 */
.content-types {
    padding: 100px 0;
    background: var(--bg-light);
}

.content-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
    margin-top: 60px;
}

.content-type {
    background: white;
    padding: 35px;
    border-radius: 15px;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    border-left: 4px solid var(--primary-color);
}

.content-type:hover {
    transform: translateX(10px);
    box-shadow: linear-gradient(180deg, white 0%, #f8f9fa 100%)-shadow-hover);
}

.content-type h3 {
    font-size: 22px;
    margin-bottom: 15px;
    color: var(--secondary-color);
}

.content-type p {
    font-size: 16px;
    color: #666;
}

/* 支持设备 */
.devices {
    padding: 100px 0;
    background: white;
}

.devices-intro {
    text-align: center;
    font-size: 20px;
    color: #666;
    margin-bottom: 50px;
}

.devices-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 60px;
}

.device-card {
    background: var(--bg-light);
    padding: 35px 25px;
    border-radius: 15px;
    text-align: center;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.device-card:hover {
    background: white;
    border-color: var(--primary-color);
    transform: translateY(-5px);
    box-shadow: var(--shadow);
}

.device-icon {
    font-size: 48px;
    margin-bottom: 20px;
    display: inline-block;
}

.device-card h4 {
    font-size: 20px;
    margin-bottom: 12px;
    color: var(--secondary-color);
}

.device-card p {
    font-size: 15px;
    color: #666;
}

/* 技术规格 */
.specs {
    padding: 100px 0;
    background: var(--gradient-dark);
    color: var(--text-light);
}

.specs .section-title {
    color: var(--text-light);
}

.specs .section-title::after {
    background: var(--primary-color);
}

.specs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 40px;
    margin-top: 60px;
}

.spec-item {
    background: rgba(255, 255, 255, 0.05);
    padding: 35px;
    border-radius: 15px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.spec-item h4 {
    font-size: 24px;
    margin-bottom: 20px;
    color: var(--primary-color);
}

.spec-item ul {
    list-style: none;
}

.spec-item li {
    padding: 10px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 16px;
}

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

/* 价格套餐 */
.pricing {
    padding: 100px 0;
    background: var(--bg-light);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
    margin-top: 60px;
}

.pricing-card {
    background: white;
    padding: 45px 35px;
    border-radius: 20px;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    position: relative;
    border: 2px solid transparent;
}

.pricing-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
    border-color: var(--primary-color);
}

.pricing-card.featured {
    background: var(--gradient-primary);
    color: white;
    transform: scale(1.05);
}

.pricing-card.featured:hover {
    transform: scale(1.08) translateY(-10px);
}

.popular-badge {
    position: absolute;
    top: -15px;
    right: 30px;
    background: var(--accent-color);
    color: white;
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
}

.pricing-card h3 {
    font-size: 26px;
    margin-bottom: 25px;
    text-align: center;
}

.price {
    text-align: center;
    margin-bottom: 30px;
}

.currency {
    font-size: 24px;
    vertical-align: super;
}

.amount {
    font-size: 56px;
    font-weight: 700;
}

.period {
    font-size: 18px;
    color: #666;
}

.pricing-card.featured .period {
    color: rgba(255, 255, 255, 0.9);
}

.note {
    font-size: 28px;
    font-weight: 600;
    color: var(--primary-color);
}

.features-list {
    list-style: none;
    margin-bottom: 30px;
}

.features-list li {
    padding: 12px 0;
    border-bottom: 1px solid #eee;
    font-size: 16px;
}

.pricing-card.featured .features-list li {
    border-bottom-color: rgba(255, 255, 255, 0.2);
}

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

.pricing-button {
    width: 100%;
    padding: 15px;
    font-size: 16px;
    font-weight: 600;
    color: white;
    background: var(--gradient-primary);
    border: none;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: block;
    text-align: center;
}

.pricing-card.featured .pricing-button {
    background: white;
    color: var(--primary-color);
}linear-gradient(180deg, white 0%, #f8f9fa 100%)

.pricing-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.pricing-note {
    text-align: center;
    margin-top: 40px;
    font-size: 14px;
    color: #666;
}

/* 发展历程 */
.timeline {
    padding: 100px 0;
    background: white;
}

.timeline-container {
    max-width: 900px;
    margin: 60px auto 0;
    position: relative;
}

.timeline-container::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--primary-color);
    transform: translateX(-50%);
}

.timeline-item {
    position: relative;
    margin-bottom: 50px;
    width: calc(50% - 40px);
}

.timeline-item:nth-child(odd) {
    margin-left: auto;
    padding-left: 40px;
}

.timeline-item:nth-child(even) {
    text-align: right;
    padding-right: 40px;
}

.timeline-year {
    display: inline-block;
    background: var(--gradient-primary);
    color: white;
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 15px;
}

.timeline-item h4 {
    font-size: 22px;
    margin-bottom: 10px;
    color: var(--secondary-color);
}

.timeline-item p {
    font-size: 16px;
    color: #666;
}

/* 常见问题 */
.faq {
    padding: 100px 0;
    background: var(--bg-light);
}

.faq-container {
    max-width: 900px;
    margin: 60px auto 0;
}

.faq-item {
    background: white;
    padding: 30px;
    margin-bottom: 20px;
    border-radius: 15px;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    border-left: 4px solid var(--primary-color);
}

.faq-item:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-hover);
}

.faq-item h4 {
    font-size: 20px;
    margin-bottom: 15px;
    color: var(--secondary-color);
}

.faq-item p {
    font-size: 16px;
    color: #666;
    line-height: 1.7;
}

/* 页脚 */
.footer {
    background: var(--gradient-dark);
    color: var(--text-light);
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h4 {
    font-size: 20px;
    margin-bottom: 20px;
    color: var(--primary-color);
}

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

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

.footer-section a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    font-size: 15px;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: var(--primary-color);
}

.social-links {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.social-icon {
    padding: 10px 20px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    transition: all 0.3s ease;
    font-size: 14px;
}

.social-icon:hover {
    background: var(--primary-color);
    transform: translateY(-3px);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 5px;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .hero-title {
        font-size: 40px;
    }

    .hero-subtitle {
        font-size: 20px;
    }

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

    .nav-menu {
        flex-direction: column;
        gap: 15px;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }

    .cta-button {
        width: 100%;
        max-width: 300px;
    }

    .logo-image {
        height: 40px;
    }

    .timeline-container::before {
        left: 0;
    }

    .timeline-item {
        width: 100%;
        text-align: left !important;
        padding-left: 40px !important;
        padding-right: 0 !important;
    }

    .pricing-card.featured {
        transform: scale(1);
    }

    .features-grid,
    .originals-grid,
    .content-grid,
    .devices-grid,
    .specs-grid,
    .pricing-grid {
        grid-template-columns: 1fr;
    }
}

/* 滚动动画 */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

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

/* 加载动画 */
@keyframes shimmer {
    0% {
        background-position: -1000px 0;
    }
    100% {
        background-position: 1000px 0;
    }
}

.loading {
    background: linear-gradient(to right, #f0f0f0 8%, #e0e0e0 18%, #f0f0f0 33%);
    background-size: 2000px 100%;
    animation: shimmer 2s linear infinite;
}