/* 基础重置样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
    background-color: #0f0c29;
    background-image: 
        linear-gradient(rgba(15, 12, 41, 0.9), rgba(15, 12, 41, 0.9)),
        radial-gradient(at 10% 20%, rgba(45, 120, 220, 0.3) 0%, transparent 30%),
        radial-gradient(at 90% 80%, rgba(255, 107, 107, 0.3) 0%, transparent 30%),
        repeating-linear-gradient(45deg, rgba(30, 30, 40, 0.9) 0px, rgba(30, 30, 40, 0.9) 1px, transparent 1px, transparent 11px),
        repeating-linear-gradient(-45deg, rgba(30, 30, 40, 0.9) 0px, rgba(30, 30, 40, 0.9) 1px, transparent 1px, transparent 11px);
    background-blend-mode: normal, normal, normal, overlay, overlay;
    position: relative;
    min-height: 100vh;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

/* 导航栏样式 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    z-index: 1000;
    transition: all 0.3s ease;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

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

.logo-img {
    height: 50px;
    width: auto;
}

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

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

.nav-links a {
    text-decoration: none;
    color: rgba(255, 255, 255, 0.8);
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
}

.nav-links a:hover {
    color: white;
    text-shadow: 0 0 10px rgba(74, 144, 226, 0.7);
}

.nav-links a.active {
    color: white;
    font-weight: bold;
    text-shadow: 0 0 10px rgba(74, 144, 226, 0.7);
    position: relative;
}

.nav-links a.active::after {
    content: "";
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, #4A90E2, #FF6B6B);
    border-radius: 1px;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background-color: white;
    margin: 3px 0;
    transition: 0.3s;
}

/* 头部 Banner 样式 */
.hero {
    height: 100vh;
    background: linear-gradient(135deg, #0f0c29 0%, #302b63 50%, #24243e 100%);
    display: flex;
    align-items: center;
    text-align: center;
    color: white;
    padding-top: 80px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at center, rgba(74, 144, 226, 0.2) 0%, transparent 70%), 
        radial-gradient(circle at 20% 80%, rgba(255, 107, 107, 0.2) 0%, transparent 50%), 
        radial-gradient(circle at 80% 20%, rgba(122, 201, 67, 0.2) 0%, transparent 50%),
        linear-gradient(45deg, transparent 49%, rgba(255, 255, 255, 0.03) 50%, transparent 51%),
        linear-gradient(-45deg, transparent 49%, rgba(255, 255, 255, 0.03) 50%, transparent 51%);
    background-size: 100% 100%, 100% 100%, 100% 100%, 20px 20px, 20px 20px;
    animation: gradientRotate 20s linear infinite;
}

.hero::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 10px;
    background: linear-gradient(90deg, transparent, rgba(74, 144, 226, 0.8), transparent);
    animation: scanLine 4s linear infinite;
    z-index: 2;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    animation: float 6s ease-in-out infinite;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 20px;
    font-weight: 700;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    letter-spacing: 1px;
    color: white;
    font-weight: 800;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    opacity: 0.9;
    text-shadow: 0 1px 5px rgba(0, 0, 0, 0.3);
    color: rgba(255, 255, 255, 0.9);
    font-weight: 300;
}

/* 数据统计样式 */
.stats {
    padding: 60px 0;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
    color: white;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.stats::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 10% 20%, rgba(74, 144, 226, 0.1) 0%, transparent 20%),
        radial-gradient(circle at 90% 80%, rgba(255, 107, 107, 0.1) 0%, transparent 20%),
        linear-gradient(45deg, transparent 49%, rgba(255, 255, 255, 0.03) 50%, transparent 51%);
    background-size: 100% 100%, 100% 100%, 30px 30px;
    animation: gradientMove 15s linear infinite;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
}

.stat-item h3 {
    font-size: 2.5rem;
    margin-bottom: 10px;
    color: white;
    text-shadow: 0 0 10px rgba(74, 144, 226, 0.7);
    font-weight: 700;
    letter-spacing: 1px;
}

.stat-item p {
    font-size: 1.1rem;
    opacity: 0.8;
}

.btn {
    display: inline-block;
    padding: 15px 30px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.05));
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.2);
    position: relative;
    overflow: hidden;
    z-index: 1;
    backdrop-filter: blur(5px);
    letter-spacing: 1px;
}

.btn::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 0%;
    height: 100%;
    background: linear-gradient(90deg, rgba(74, 144, 226, 0.3), rgba(74, 144, 226, 0.6));
    transition: all 0.5s ease;
    z-index: -1;
}

.btn::after {
    content: "";
    position: absolute;
    top: -50%;
    left: -60%;
    width: 20%;
    height: 200%;
    background: rgba(255, 255, 255, 0.3);
    transform: rotate(25deg);
    transition: all 0.6s ease;
}

.btn:hover::before {
    width: 100%;
}

.btn:hover::after {
    left: 120%;
}

.btn:hover {
    box-shadow: 0 0 20px rgba(74, 144, 226, 0.5);
    transform: translateY(-3px);
}

.btn:hover {
    background-color: transparent;
    color: white;
}

.primary-btn {
    background: linear-gradient(135deg, #FF6B6B 0%, #FF8E53 100%);
    border: none;
    color: white;
    box-shadow: 0 4px 20px rgba(255, 107, 107, 0.4);
    position: relative;
    overflow: hidden;
}

.primary-btn::before {
    content: "";
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: all 0.6s ease;
}

.primary-btn:hover::before {
    left: 100%;
}

.primary-btn:hover {
    background-color: transparent;
    color: white;
}

/* 拍卖专区样式 */
.features {
    padding: 100px 0;
    background: linear-gradient(135deg, #16213e 0%, #0f3460 50%, #1a1a2e 100%);
    position: relative;
    color: white;
}

.features::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 10% 20%, rgba(74, 144, 226, 0.1) 0%, transparent 20%),
        radial-gradient(circle at 90% 80%, rgba(255, 107, 107, 0.1) 0%, transparent 20%),
        linear-gradient(45deg, transparent 49%, rgba(255, 255, 255, 0.03) 50%, transparent 51%),
        linear-gradient(-45deg, transparent 49%, rgba(255, 255, 255, 0.03) 50%, transparent 51%);
    background-size: 100% 100%, 100% 100%, 40px 40px, 40px 40px;
    animation: gridMove 20s linear infinite;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 60px;
    color: white;
    font-weight: 700;
    position: relative;
    text-shadow: 0 0 5px rgba(255, 255, 255, 0.7);
    letter-spacing: 1px;
}

.section-title::after {
    content: "";
    display: block;
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, #4A90E2, #FF6B6B);
    margin: 15px auto;
    border-radius: 2px;
    box-shadow: 0 0 10px rgba(74, 144, 226, 0.5);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.feature-card {
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.05));
    padding: 40px 25px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3), 
                inset 0 1px 0 rgba(255, 255, 255, 0.1);
    text-align: center;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
}

.feature-card::before {
    content: "";
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(74, 144, 226, 0.3), transparent);
    transform: rotate(45deg);
    transition: all 0.6s ease;
    opacity: 0;
}

.feature-card::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: 1px solid transparent;
    border-radius: 15px;
    background: linear-gradient(45deg, transparent, rgba(74, 144, 226, 0.2), transparent) border-box;
    mask: linear-gradient(#fff 0 0) padding-box, linear-gradient(#fff 0 0);
    mask-composite: exclude;
    z-index: -1;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.feature-card:hover::before {
    opacity: 1;
    transform: rotate(45deg) translate(20%, 20%);
}

.feature-card:hover::after {
    opacity: 1;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4), 
                inset 0 1px 0 rgba(255, 255, 255, 0.2);
    animation: techPulse 2s infinite;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: #333;
}

.feature-card p {
    color: #666;
    font-size: 1rem;
}

/* App下载样式 */
.download {
    padding: 100px 0;
    background: linear-gradient(135deg, #0f3460 0%, #16213e 50%, #1a1a2e 100%);
    position: relative;
    color: white;
}

.download::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 30%, rgba(74, 144, 226, 0.1) 0%, transparent 30%),
        radial-gradient(circle at 80% 70%, rgba(255, 107, 107, 0.1) 0%, transparent 30%),
        linear-gradient(45deg, transparent 49%, rgba(255, 255, 255, 0.02) 50%, transparent 51%);
    background-size: 100% 100%, 100% 100%, 25px 25px;
    animation: gridMove 25s linear infinite reverse;
}

.download-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 50px;
}

.app-preview img {
    max-width: 100%;
    border-radius: 20px;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15),
                0 0 0 1px rgba(255, 255, 255, 0.1);
    border: 10px solid white;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.app-preview img::before {
    content: "";
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: all 0.5s ease;
}

.app-preview img:hover::before {
    left: 100%;
}

.app-preview img:hover {
    transform: translateY(-10px);
    box-shadow: 0 35px 60px rgba(0, 0, 0, 0.2),
                0 0 0 1px rgba(255, 255, 255, 0.1);
}

.preview-img {
    max-height: 500px;
    width: auto;
    object-fit: cover;
    border-radius: 20px;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15),
                0 0 0 1px rgba(255, 255, 255, 0.1);
    border: 10px solid white;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.preview-img::before {
    content: "";
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: all 0.5s ease;
}

.preview-img:hover::before {
    left: 100%;
}

.preview-img:hover {
    transform: translateY(-10px);
    box-shadow: 0 35px 60px rgba(0, 0, 0, 0.2),
                0 0 0 1px rgba(255, 255, 255, 0.1);
}

.qr-img {
    width: 150px;
    height: 150px;
    object-fit: contain;
    border: 10px solid #f0f0f0;
    border-radius: 10px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.qr-img::before {
    content: "";
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(74, 144, 226, 0.2), transparent);
    transition: all 0.5s ease;
}

.qr-img:hover::before {
    left: 100%;
}

.qr-img:hover {
    transform: scale(1.05);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15);
}

.download-options h3 {
    font-size: 2rem;
    margin-bottom: 20px;
    color: #333;
}

.download-options p {
    font-size: 1.1rem;
    color: #666;
    margin-bottom: 30px;
}

.store-buttons {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 30px;
}

.store-button {
    display: flex;
    align-items: center;
    padding: 15px 25px;
    background: linear-gradient(135deg, #333 0%, #222 100%);
    color: white;
    text-decoration: none;
    border-radius: 10px;
    transition: all 0.3s ease;
    max-width: 300px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    position: relative;
    overflow: hidden;
}

.store-button::before {
    content: "";
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: all 0.5s ease;
}

.store-button:hover::before {
    left: 100%;
}

.store-button:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
}

.store-button:hover {
    transform: translateY(-5px);
}

.store-button.ios {
    background: linear-gradient(135deg, #4A90E2 0%, #6B76E3 100%);
}

.store-button.android {
    background: linear-gradient(135deg, #7AC943 0%, #4A90E2 100%);
}

.store-icon {
    font-size: 2rem;
    margin-right: 15px;
}

.store-text span {
    display: block;
    font-size: 0.9rem;
    opacity: 0.8;
}

.store-text strong {
    font-size: 1.2rem;
    font-weight: 600;
}

.qr-code {
    text-align: center;
}

.qr-code p {
    margin-bottom: 15px;
    font-weight: 500;
}

.qr-code img {
    width: 150px;
    height: 150px;
    border: 10px solid #f0f0f0;
    border-radius: 10px;
}

/* 底部样式 */
.footer {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    color: white;
    padding: 50px 0 20px;
    position: relative;
}

.footer::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 30%, rgba(74, 144, 226, 0.1) 0%, transparent 30%),
        radial-gradient(circle at 80% 70%, rgba(255, 107, 107, 0.1) 0%, transparent 30%);
}

.copyright {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    opacity: 0.7;
    font-size: 0.9rem;
}

.copyright a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color 0.3s ease;
}

.copyright a:hover {
    color: white;
    text-decoration: underline;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
}

.footer-logo-img {
    height: 60px;
    width: auto;
    margin-bottom: 15px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.footer-logo h2 {
    color: white;
    margin-bottom: 10px;
    font-size: 1.8rem;
}

.footer-logo p {
    opacity: 0.7;
    font-size: 1rem;
}

.footer-links a {
    color: white;
    text-decoration: none;
    margin-left: 20px;
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.footer-links a:hover {
    opacity: 1;
}

.footer-links a.active {
    opacity: 1;
    font-weight: bold;
    text-decoration: underline;
}

.copyright {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    opacity: 0.7;
}

/* 隐私政策页面样式 */
.privacy-container {
    padding: 120px 0 60px;
}

/* 关于我们页面样式 */
.about-container {
    padding: 120px 0 60px;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    color: white;
    position: relative;
    overflow: hidden;
}

.about-container::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 10% 20%, rgba(74, 144, 226, 0.1) 0%, transparent 20%),
        radial-gradient(circle at 90% 80%, rgba(255, 107, 107, 0.1) 0%, transparent 20%),
        linear-gradient(45deg, transparent 49%, rgba(255, 255, 255, 0.02) 50%, transparent 51%);
    background-size: 100% 100%, 100% 100%, 30px 30px;
    animation: gridMove 20s linear infinite;
}

/* 联系我们页面样式 */
.contact-container {
    padding: 120px 0 60px;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    color: white;
    position: relative;
    overflow: hidden;
}

.contact-container::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 10% 20%, rgba(74, 144, 226, 0.1) 0%, transparent 20%),
        radial-gradient(circle at 90% 80%, rgba(255, 107, 107, 0.1) 0%, transparent 20%),
        linear-gradient(45deg, transparent 49%, rgba(255, 255, 255, 0.02) 50%, transparent 51%);
    background-size: 100% 100%, 100% 100%, 30px 30px;
    animation: gridMove 20s linear infinite;
}

.contact-header {
    text-align: center;
    margin-bottom: 50px;
}

.contact-header h1 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: white;
    font-weight: 700;
}

.contact-header p {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.8);
    max-width: 800px;
    margin: 0 auto;
}

.contact-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 50px;
    max-width: 1200px;
    margin: 0 auto;
}

.contact-info h2,
.contact-form h2 {
    font-size: 2rem;
    color: white;
    margin-bottom: 30px;
    position: relative;
    padding-bottom: 15px;
}

.contact-info h2::after,
.contact-form h2::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, #4A90E2, #FF6B6B);
    border-radius: 2px;
}

.contact-item {
    display: flex;
    margin-bottom: 30px;
    padding: 20px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 15px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: transform 0.3s ease;
}

.contact-item:hover {
    transform: translateY(-5px);
}

.contact-icon {
    font-size: 2rem;
    margin-right: 20px;
    min-width: 50px;
}

.contact-details h3 {
    font-size: 1.3rem;
    color: white;
    margin-bottom: 10px;
}

.contact-details p {
    margin-bottom: 5px;
    color: rgba(255, 255, 255, 0.8);
}

.contact-time {
    font-style: italic;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.6) !important;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: white;
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    background: rgba(255, 255, 255, 0.05);
    color: white;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #4A90E2;
    box-shadow: 0 0 0 2px rgba(74, 144, 226, 0.3);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.contact-form .btn {
    width: 100%;
    padding: 15px;
    font-size: 1.1rem;
}

.about-header {
    text-align: center;
    margin-bottom: 50px;
}

.about-header h1 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: white;
    font-weight: 700;
}

.mission {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.8);
    max-width: 800px;
    margin: 0 auto;
}

.about-content {
    max-width: 1000px;
    margin: 0 auto;
}

.about-section {
    margin-bottom: 50px;
    padding: 30px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 15px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.about-section h2 {
    font-size: 2rem;
    color: white;
    margin-bottom: 25px;
    position: relative;
    padding-bottom: 15px;
}

.about-section h2::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, #4A90E2, #FF6B6B);
    border-radius: 2px;
}

.about-section h3 {
    font-size: 1.5rem;
    color: white;
    margin-bottom: 15px;
}

.about-section p {
    margin-bottom: 15px;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.8);
}

.team-member {
    margin-bottom: 30px;
}

.product-item {
    margin-bottom: 30px;
}

.about-section ul {
    padding-left: 20px;
    margin-bottom: 20px;
}

.about-section li {
    margin-bottom: 15px;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.8);
}

.about-section a {
    color: #4A90E2;
    text-decoration: underline;
    transition: color 0.3s ease;
}

.about-section a:hover {
    color: #FF6B6B;
}

.conclusion {
    font-size: 1.2rem;
    font-weight: bold;
    text-align: center;
    margin-top: 20px;
    color: white;
    font-style: italic;
}

.privacy-header {
    text-align: center;
    margin-bottom: 50px;
}

.privacy-header h1 {
    font-size: 2.5rem;
    color: #333;
    margin-bottom: 20px;
}

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

.privacy-section {
    margin-bottom: 40px;
}

.privacy-section h2 {
    font-size: 1.8rem;
    color: #4A90E2;
    margin-bottom: 20px;
}

.privacy-section h3 {
    font-size: 1.4rem;
    color: #666;
    margin-bottom: 15px;
}

.privacy-section p {
    margin-bottom: 15px;
    line-height: 1.8;
    color: #555;
}

.privacy-section ul {
    padding-left: 20px;
    margin-bottom: 20px;
}

.privacy-section li {
    margin-bottom: 10px;
    line-height: 1.8;
}

@keyframes gradientRotate {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

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

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(74, 144, 226, 0.4); }
    70% { box-shadow: 0 0 0 15px rgba(74, 144, 226, 0); }
    100% { box-shadow: 0 0 0 0 rgba(74, 144, 226, 0); }
}

@keyframes gridMove {
    0% { background-position: 0 0, 0 0, 0 0, 0 0; }
    100% { background-position: 100% 100%, 100% 100%, 100% 100%, 100% 100%; }
}

@keyframes scanLine {
    0% { transform: translateY(-100%); }
    100% { transform: translateY(100%); }
}

@keyframes circuitFlow {
    0% { stroke-dashoffset: 0; }
    100% { stroke-dashoffset: -20px; }
}

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

@keyframes neonGlow {
    0% { text-shadow: 0 0 5px #fff, 0 0 10px #4A90E2, 0 0 15px #4A90E2; }
    50% { text-shadow: 0 0 10px #fff, 0 0 15px #FF6B6B, 0 0 20px #FF6B6B; }
    100% { text-shadow: 0 0 5px #fff, 0 0 10px #4A90E2, 0 0 15px #4A90E2; }
}

@keyframes techPulse {
    0% { transform: scale(1); box-shadow: 0 0 0 0 rgba(74, 144, 226, 0.7); }
    70% { transform: scale(1.01); box-shadow: 0 0 0 10px rgba(74, 144, 226, 0); }
    100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(74, 144, 226, 0); }
}

/* 响应式设计 */
@media screen and (max-width: 992px) {
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .download-content {
        flex-direction: column;
        text-align: center;
    }
    
    .store-buttons {
        align-items: center;
        margin: 0 auto 30px;
    }
    
    .store-button {
        margin: 0 auto;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-links {
        margin-top: 20px;
    }
    
    .footer-links a {
        margin: 0 10px;
    }
}

@media screen and (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-links {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background-color: white;
        flex-direction: column;
        align-items: center;
        padding-top: 50px;
        transition: 0.3s;
    }
    
    .nav-links.active {
        left: 0;
    }
    
    .nav-links li {
        margin: 20px 0;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero p {
        font-size: 1rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .feature-card {
        padding: 30px 20px;
    }
}

@media screen and (max-width: 576px) {
    .hero {
        padding-top: 100px;
    }
    
    .hero h1 {
        font-size: 1.8rem;
    }
    
    .btn {
        padding: 12px 25px;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .download-options h3 {
        font-size: 1.5rem;
    }
    
    .store-button {
        width: 100%;
    }
}