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

body {
    font-family: 'Microsoft YaHei', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #0a0e17;
    overflow-x: hidden;
}

/* 科技感背景 */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 50%, rgba(121, 203, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(121, 203, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 80%, rgba(121, 203, 255, 0.1) 0%, transparent 50%);
    z-index: -1;
}

/* 网格背景 */
body::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(121, 203, 255, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(121, 203, 255, 0.05) 1px, transparent 1px);
    background-size: 50px 50px;
    z-index: -1;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 导航栏 */
.navbar {
    background-color: rgba(10, 14, 23, 0.8);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0, 123, 255, 0.1);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(121, 203, 255, 0.2);
}

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

.logo h1 {
    color: #79cfff;
    font-size: 24px;
    font-weight: bold;
    text-shadow: 0 0 20px rgba(121, 203, 255, 0.5);
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links a {
    text-decoration: none;
    color: #e0e0e0;
    font-size: 16px;
    font-weight: 500;
    transition: all 0.3s;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #007bff, #79cfff);
    transition: width 0.3s;
}

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

.nav-links a:hover,
.nav-links a.active {
    color: #79cfff;
    text-shadow: 0 0 10px rgba(121, 203, 255, 0.5);
}

.mobile-menu {
    display: none;
    cursor: pointer;
    font-size: 24px;
    color: #79cfff;
    text-shadow: 0 0 10px rgba(121, 203, 255, 0.5);
}

/* 英雄区域 */
.hero {
    background: linear-gradient(135deg, rgba(0, 123, 255, 0.1) 0%, rgba(121, 203, 255, 0.1) 100%);
    color: #fff;
    padding: 150px 0 100px;
    margin-top: 80px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(121,203,255,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.5;
}

.hero .container {
    display: flex;
    align-items: center;
    gap: 60px;
    position: relative;
    z-index: 1;
}

.hero-content {
    flex: 1;
}

.hero-content h1 {
    font-size: 56px;
    font-weight: bold;
    margin-bottom: 20px;
    line-height: 1.2;
    background: linear-gradient(90deg, #fff, #79cfff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 0 30px rgba(121, 203, 255, 0.3);
}

.hero-content p {
    font-size: 18px;
    margin-bottom: 30px;
    opacity: 0.9;
    color: #e0e0e0;
}

.btn {
    display: inline-block;
    background: linear-gradient(90deg, #007bff, #79cfff);
    color: #fff;
    padding: 15px 35px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    border: none;
    cursor: pointer;
    box-shadow: 0 5px 15px rgba(0, 123, 255, 0.3);
    position: relative;
    overflow: hidden;
}

.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: left 0.6s;
}

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

.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(0, 123, 255, 0.4);
}

.hero-image {
    flex: 1;
    position: relative;
}

.hero-image img {
    width: 100%;
    border-radius: 15px;
    box-shadow: 0 20px 40px rgba(0, 123, 255, 0.2);
    border: 1px solid rgba(121, 203, 255, 0.3);
    transition: transform 0.3s;
}

.hero-image img:hover {
    transform: scale(1.02);
}

.hero-image::before {
    content: '';
    position: absolute;
    top: -20px;
    left: -20px;
    right: -20px;
    bottom: -20px;
    background: linear-gradient(45deg, #007bff, #79cfff);
    border-radius: 20px;
    z-index: -1;
    opacity: 0.3;
    filter: blur(30px);
    animation: pulse 3s infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 0.3;
    }
    50% {
        transform: scale(1.05);
        opacity: 0.5;
    }
}

/* 特点区域 */
.features {
    padding: 120px 0;
    background-color: rgba(10, 14, 23, 0.8);
    position: relative;
}

.features::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, rgba(121, 203, 255, 0.05) 0%, transparent 70%);
}

.features h2 {
    text-align: center;
    font-size: 40px;
    font-weight: bold;
    margin-bottom: 80px;
    color: #fff;
    position: relative;
}

.features h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 3px;
    background: linear-gradient(90deg, #007bff, #79cfff);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
    position: relative;
    z-index: 1;
}

.feature-item {
    text-align: center;
    padding: 50px 30px;
    background-color: rgba(16, 20, 30, 0.8);
    border-radius: 15px;
    transition: all 0.3s;
    border: 1px solid rgba(121, 203, 255, 0.2);
    position: relative;
    overflow: hidden;
}

.feature-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, #007bff, #79cfff);
    transform: scaleX(0);
    transition: transform 0.3s;
}

.feature-item:hover::before {
    transform: scaleX(1);
}

.feature-item:hover {
    transform: translateY(-15px);
    box-shadow: 0 20px 40px rgba(0, 123, 255, 0.2);
    border-color: rgba(121, 203, 255, 0.5);
}

.feature-item i {
    font-size: 56px;
    color: #79cfff;
    margin-bottom: 25px;
    text-shadow: 0 0 20px rgba(121, 203, 255, 0.5);
    transition: transform 0.3s;
}

.feature-item:hover i {
    transform: scale(1.1);
}

.feature-item h3 {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 20px;
    color: #fff;
}

.feature-item p {
    color: #b0b0b0;
    line-height: 1.6;
}

/* 解决方案区域 */
.solutions {
    padding: 120px 0;
    background-color: rgba(10, 14, 23, 0.6);
    position: relative;
}

.solutions h2 {
    text-align: center;
    font-size: 40px;
    font-weight: bold;
    margin-bottom: 80px;
    color: #fff;
    position: relative;
}

.solutions h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 3px;
    background: linear-gradient(90deg, #007bff, #79cfff);
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 50px;
    position: relative;
    z-index: 1;
}

.solution-item {
    background-color: rgba(16, 20, 30, 0.8);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    transition: all 0.3s;
    text-decoration: none;
    color: #fff;
    border: 1px solid rgba(121, 203, 255, 0.2);
    position: relative;
}

.solution-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 123, 255, 0.05) 0%, rgba(121, 203, 255, 0.05) 100%);
    transition: opacity 0.3s;
}

.solution-item:hover {
    transform: translateY(-15px);
    box-shadow: 0 25px 50px rgba(0, 123, 255, 0.2);
    border-color: rgba(121, 203, 255, 0.5);
}

.solution-item:hover::before {
    opacity: 1;
}

.solution-item img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    transition: transform 0.3s;
}

.solution-item:hover img {
    transform: scale(1.05);
}

.solution-item h3 {
    font-size: 22px;
    font-weight: 600;
    margin: 25px;
    color: #79cfff;
    text-shadow: 0 0 10px rgba(121, 203, 255, 0.3);
}

.solution-item p {
    margin: 0 25px 25px;
    color: #b0b0b0;
    line-height: 1.6;
}

/* 数据展示区域 */
.data-showcase {
    padding: 120px 0;
    background-color: rgba(10, 14, 23, 0.8);
    position: relative;
}

.data-showcase::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 30% 70%, rgba(121, 203, 255, 0.05) 0%, transparent 70%);
}

.data-showcase h2 {
    text-align: center;
    font-size: 40px;
    font-weight: bold;
    margin-bottom: 80px;
    color: #fff;
    position: relative;
}

.data-showcase h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 3px;
    background: linear-gradient(90deg, #007bff, #79cfff);
}

.data-content {
    display: flex;
    align-items: center;
    gap: 80px;
    position: relative;
    z-index: 1;
}

.data-text {
    flex: 1;
}

.data-text p {
    font-size: 18px;
    margin-bottom: 35px;
    color: #b0b0b0;
    line-height: 1.6;
}

.data-text ul {
    list-style: none;
}

.data-text ul li {
    margin-bottom: 20px;
    padding-left: 35px;
    position: relative;
    color: #e0e0e0;
    font-weight: 500;
    transition: transform 0.3s;
}

.data-text ul li:hover {
    transform: translateX(10px);
}

.data-text ul li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #79cfff;
    font-weight: bold;
    font-size: 20px;
    text-shadow: 0 0 10px rgba(121, 203, 255, 0.5);
}

.data-image {
    flex: 1;
    position: relative;
}

.data-image img {
    width: 100%;
    border-radius: 15px;
    box-shadow: 0 20px 40px rgba(0, 123, 255, 0.2);
    border: 1px solid rgba(121, 203, 255, 0.3);
    transition: transform 0.3s;
}

.data-image img:hover {
    transform: scale(1.02);
}

.data-image::before {
    content: '';
    position: absolute;
    top: -20px;
    left: -20px;
    right: -20px;
    bottom: -20px;
    background: linear-gradient(45deg, #007bff, #79cfff);
    border-radius: 20px;
    z-index: -1;
    opacity: 0.2;
    filter: blur(30px);
}

/* 客户案例区域 */
.cases {
    padding: 120px 0;
    background-color: rgba(10, 14, 23, 0.6);
    position: relative;
}

.cases h2 {
    text-align: center;
    font-size: 40px;
    font-weight: bold;
    margin-bottom: 80px;
    color: #fff;
    position: relative;
}

.cases h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 3px;
    background: linear-gradient(90deg, #007bff, #79cfff);
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 50px;
    position: relative;
    z-index: 1;
}

.case-item {
    background-color: rgba(16, 20, 30, 0.8);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    transition: all 0.3s;
    border: 1px solid rgba(121, 203, 255, 0.2);
}

.case-item:hover {
    transform: translateY(-15px);
    box-shadow: 0 25px 50px rgba(0, 123, 255, 0.2);
    border-color: rgba(121, 203, 255, 0.5);
}

.case-item img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    transition: transform 0.3s;
}

.case-item:hover img {
    transform: scale(1.05);
}

.case-item h3 {
    font-size: 20px;
    font-weight: 600;
    margin: 25px;
    color: #79cfff;
    text-shadow: 0 0 10px rgba(121, 203, 255, 0.3);
}

.case-item p {
    margin: 0 25px 25px;
    color: #b0b0b0;
    line-height: 1.6;
}

/* 联系我们区域 */
.contact {
    padding: 120px 0;
    background-color: rgba(10, 14, 23, 0.8);
    position: relative;
}

.contact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 70% 30%, rgba(121, 203, 255, 0.05) 0%, transparent 70%);
}

.contact h2 {
    text-align: center;
    font-size: 40px;
    font-weight: bold;
    margin-bottom: 80px;
    color: #fff;
    position: relative;
}

.contact h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 3px;
    background: linear-gradient(90deg, #007bff, #79cfff);
}

.contact-content {
    display: flex;
    gap: 80px;
    position: relative;
    z-index: 1;
}

.contact-info {
    flex: 1;
}

.contact-info p {
    font-size: 18px;
    margin-bottom: 35px;
    color: #b0b0b0;
    line-height: 1.6;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 20px;
    color: #e0e0e0;
    font-size: 16px;
    transition: transform 0.3s;
}

.contact-item:hover {
    transform: translateX(10px);
}

.contact-item i {
    font-size: 24px;
    color: #79cfff;
    width: 40px;
    text-align: center;
    text-shadow: 0 0 10px rgba(121, 203, 255, 0.5);
}

.contact-form {
    flex: 1;
}

.contact-form form {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.contact-form input,
.contact-form textarea {
    padding: 20px;
    border: 1px solid rgba(121, 203, 255, 0.2);
    border-radius: 10px;
    font-size: 16px;
    font-family: 'Microsoft YaHei', Arial, sans-serif;
    background-color: rgba(16, 20, 30, 0.8);
    color: #e0e0e0;
    transition: all 0.3s;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: #79cfff;
    box-shadow: 0 0 20px rgba(121, 203, 255, 0.2);
}

.contact-form textarea {
    resize: vertical;
    min-height: 180px;
}

/* 页脚 */
.footer {
    background-color: rgba(10, 14, 23, 0.95);
    color: #e0e0e0;
    padding: 100px 0 50px;
    border-top: 1px solid rgba(121, 203, 255, 0.2);
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent, #79cfff, transparent);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 50px;
    margin-bottom: 50px;
    position: relative;
    z-index: 1;
}

.footer-logo h2 {
    font-size: 28px;
    font-weight: bold;
    margin-bottom: 20px;
    color: #79cfff;
    text-shadow: 0 0 20px rgba(121, 203, 255, 0.5);
}

.footer-logo p {
    color: #b0b0b0;
    line-height: 1.6;
}

.footer-links h3,
.footer-contact h3,
.footer-social h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 25px;
    color: #fff;
    position: relative;
    padding-bottom: 10px;
}

.footer-links h3::after,
.footer-contact h3::after,
.footer-social h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 2px;
    background: linear-gradient(90deg, #007bff, #79cfff);
}

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

.footer-links ul li {
    margin-bottom: 15px;
}

.footer-links ul li a {
    color: #b0b0b0;
    text-decoration: none;
    transition: all 0.3s;
    position: relative;
    padding-left: 20px;
}

.footer-links ul li a::before {
    content: '>';
    position: absolute;
    left: 0;
    color: #79cfff;
    transition: transform 0.3s;
}

.footer-links ul li a:hover {
    color: #79cfff;
    padding-left: 25px;
}

.footer-links ul li a:hover::before {
    transform: translateX(5px);
}

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

.footer-contact ul li {
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 15px;
    color: #b0b0b0;
}

.footer-contact ul li i {
    color: #79cfff;
    text-shadow: 0 0 10px rgba(121, 203, 255, 0.5);
}

.social-icons {
    display: flex;
    gap: 20px;
}

.social-icons a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background-color: rgba(16, 20, 30, 0.8);
    border-radius: 50%;
    color: #79cfff;
    transition: all 0.3s;
    text-decoration: none;
    border: 1px solid rgba(121, 203, 255, 0.2);
}

.social-icons a:hover {
    background-color: rgba(121, 203, 255, 0.1);
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(121, 203, 255, 0.3);
    border-color: #79cfff;
}

.footer-bottom {
    border-top: 1px solid rgba(121, 203, 255, 0.1);
    padding-top: 50px;
    text-align: center;
    color: #b0b0b0;
    position: relative;
}

.footer-bottom::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 200px;
    height: 1px;
    background: linear-gradient(90deg, transparent, #79cfff, transparent);
}

/* 子页面样式 */
.subpage-hero {
    background: linear-gradient(135deg, rgba(0, 123, 255, 0.1) 0%, rgba(121, 203, 255, 0.1) 100%);
    color: #fff;
    padding: 150px 0 80px;
    margin-top: 80px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.subpage-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(121,203,255,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.5;
}

.subpage-hero h1 {
    font-size: 56px;
    font-weight: bold;
    margin-bottom: 20px;
    background: linear-gradient(90deg, #fff, #79cfff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 0 30px rgba(121, 203, 255, 0.3);
    position: relative;
    z-index: 1;
}

.subpage-hero p {
    font-size: 18px;
    opacity: 0.9;
    color: #e0e0e0;
    position: relative;
    z-index: 1;
}

.subpage-content {
    padding: 100px 0;
    background-color: rgba(10, 14, 23, 0.8);
    position: relative;
}

.subpage-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, rgba(121, 203, 255, 0.03) 0%, transparent 70%);
}

.subpage-content h2 {
    font-size: 36px;
    font-weight: bold;
    margin-bottom: 40px;
    color: #79cfff;
    text-shadow: 0 0 10px rgba(121, 203, 255, 0.3);
    position: relative;
    z-index: 1;
}

.subpage-content h3 {
    font-size: 28px;
    font-weight: 600;
    margin: 50px 0 25px;
    color: #fff;
    position: relative;
    z-index: 1;
}

.subpage-content p {
    margin-bottom: 25px;
    color: #b0b0b0;
    line-height: 1.6;
    position: relative;
    z-index: 1;
}

.subpage-content ul {
    margin-bottom: 25px;
    padding-left: 30px;
    position: relative;
    z-index: 1;
}

.subpage-content ul li {
    margin-bottom: 15px;
    color: #b0b0b0;
    line-height: 1.6;
}

.subpage-content img {
    max-width: 100%;
    border-radius: 15px;
    margin: 40px 0;
    box-shadow: 0 20px 40px rgba(0, 123, 255, 0.2);
    border: 1px solid rgba(121, 203, 255, 0.3);
    position: relative;
    z-index: 1;
    transition: transform 0.3s;
}

.subpage-content img:hover {
    transform: scale(1.02);
}

/* 报价页面 */
.pricing-plans {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 50px;
    margin-top: 80px;
    position: relative;
    z-index: 1;
}

.pricing-plan {
    background-color: rgba(16, 20, 30, 0.8);
    border-radius: 15px;
    padding: 50px;
    text-align: center;
    transition: all 0.3s;
    border: 1px solid rgba(121, 203, 255, 0.2);
    position: relative;
    overflow: hidden;
}

.pricing-plan::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, #007bff, #79cfff);
    transform: scaleX(0);
    transition: transform 0.3s;
}

.pricing-plan:hover::before {
    transform: scaleX(1);
}

.pricing-plan:hover {
    transform: translateY(-15px);
    box-shadow: 0 25px 50px rgba(0, 123, 255, 0.2);
    border-color: rgba(121, 203, 255, 0.5);
}

.pricing-plan h3 {
    font-size: 28px;
    font-weight: 600;
    margin-bottom: 25px;
    color: #79cfff;
    text-shadow: 0 0 10px rgba(121, 203, 255, 0.3);
}

.pricing-plan .price {
    font-size: 48px;
    font-weight: bold;
    color: #79cfff;
    margin-bottom: 25px;
    text-shadow: 0 0 20px rgba(121, 203, 255, 0.5);
}

.pricing-plan .price span {
    font-size: 18px;
    font-weight: normal;
    color: #b0b0b0;
}

.pricing-plan ul {
    list-style: none;
    margin-bottom: 40px;
    text-align: left;
}

.pricing-plan ul li {
    margin-bottom: 20px;
    padding-left: 35px;
    position: relative;
    color: #b0b0b0;
    transition: transform 0.3s;
}

.pricing-plan ul li:hover {
    transform: translateX(10px);
    color: #e0e0e0;
}

.pricing-plan ul li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #79cfff;
    font-weight: bold;
    text-shadow: 0 0 10px rgba(121, 203, 255, 0.5);
}

/* 文档页面 */
.documents-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 40px;
    margin-top: 80px;
    position: relative;
    z-index: 1;
}

.document-item {
    background-color: rgba(16, 20, 30, 0.8);
    border-radius: 15px;
    padding: 40px;
    transition: all 0.3s;
    border: 1px solid rgba(121, 203, 255, 0.2);
    position: relative;
    overflow: hidden;
}

.document-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, #007bff, #79cfff);
    transform: scaleX(0);
    transition: transform 0.3s;
}

.document-item:hover::before {
    transform: scaleX(1);
}

.document-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 123, 255, 0.2);
    border-color: rgba(121, 203, 255, 0.5);
}

.document-item h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 20px;
    color: #79cfff;
    text-shadow: 0 0 10px rgba(121, 203, 255, 0.3);
}

.document-item p {
    margin-bottom: 30px;
    color: #b0b0b0;
    font-size: 14px;
    line-height: 1.5;
}

.document-item .download-btn {
    display: inline-block;
    background: linear-gradient(90deg, #007bff, #79cfff);
    color: #fff;
    padding: 12px 25px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s;
    font-size: 14px;
    box-shadow: 0 5px 15px rgba(0, 123, 255, 0.3);
    position: relative;
    overflow: hidden;
}

.document-item .download-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: left 0.6s;
}

.document-item .download-btn:hover::before {
    left: 100%;
}

.document-item .download-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(0, 123, 255, 0.4);
}

/* 登录注册页面样式 */
.login-section {
    padding: 150px 0;
    background-color: rgba(10, 14, 23, 0.8);
    position: relative;
    overflow: hidden;
}

.login-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, rgba(121, 203, 255, 0.05) 0%, transparent 70%);
}

.login-section::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(121, 203, 255, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(121, 203, 255, 0.05) 1px, transparent 1px);
    background-size: 50px 50px;
    z-index: -1;
}

.login-container {
    display: flex;
    background-color: rgba(16, 20, 30, 0.9);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 123, 255, 0.2);
    border: 1px solid rgba(121, 203, 255, 0.3);
    position: relative;
    z-index: 1;
    transform: translateY(0);
    animation: slideIn 0.8s ease-out;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.login-left {
    flex: 1;
    padding: 60px;
    background: linear-gradient(135deg, rgba(0, 123, 255, 0.1) 0%, rgba(121, 203, 255, 0.1) 100%);
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.login-left h2 {
    font-size: 36px;
    font-weight: bold;
    margin-bottom: 20px;
    color: #79cfff;
    text-shadow: 0 0 20px rgba(121, 203, 255, 0.5);
}

.login-left p {
    font-size: 18px;
    margin-bottom: 40px;
    color: #b0b0b0;
    line-height: 1.6;
}

.login-features {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.login-features .feature-item {
    display: flex;
    align-items: center;
    gap: 15px;
    color: #e0e0e0;
    font-weight: 500;
}

.login-features .feature-item i {
    font-size: 24px;
    color: #79cfff;
    text-shadow: 0 0 10px rgba(121, 203, 255, 0.5);
}

.login-right {
    flex: 1;
    padding: 60px;
}

.login-form h3 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 40px;
    color: #fff;
    text-align: center;
}

.form-group {
    position: relative;
    margin-bottom: 25px;
}

.form-group label {
    position: absolute;
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
    color: #79cfff;
    font-size: 16px;
    z-index: 1;
}

.form-group {
    position: relative;
    margin-bottom: 25px;
    overflow: hidden;
}

.form-group::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(121, 203, 255, 0.1), transparent);
    transition: left 0.6s;
    z-index: 1;
}

.form-group:focus-within::before {
    left: 100%;
}

.form-group input {
    width: 100%;
    padding: 15px 50px;
    border: 1px solid rgba(121, 203, 255, 0.3);
    border-radius: 10px;
    background-color: rgba(255, 255, 255, 0.1);
    color: #e0e0e0;
    font-size: 14px;
    transition: all 0.3s;
    position: relative;
    z-index: 2;
}

.form-group input:focus {
    outline: none;
    border-color: #79cfff;
    box-shadow: 0 0 20px rgba(121, 203, 255, 0.2);
    transform: translateY(-2px);
}

.form-group input::placeholder {
    color: rgba(224, 224, 224, 0.5);
    transition: color 0.3s;
}

.form-group input:focus::placeholder {
    color: rgba(224, 224, 224, 0.8);
}

.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}

.remember-me {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #b0b0b0;
    font-size: 14px;
}

.remember-me input[type="checkbox"] {
    width: auto;
    accent-color: #79cfff;
}

.forgot-password {
    color: #79cfff;
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s;
}

.forgot-password:hover {
    color: #fff;
    text-shadow: 0 0 10px rgba(121, 203, 255, 0.5);
}

.login-form .btn {
    width: 100%;
    padding: 15px;
    font-size: 16px;
    margin-bottom: 20px;
}

.register-link {
    text-align: center;
    color: #b0b0b0;
    font-size: 14px;
}

.register-link a {
    color: #79cfff;
    text-decoration: none;
    transition: color 0.3s;
}

.register-link a:hover {
    color: #fff;
    text-shadow: 0 0 10px rgba(121, 203, 255, 0.5);
}

/* 版本2样式 */

/* 英雄区域 */
.hero-v2 {
    background: linear-gradient(135deg, rgba(0, 123, 255, 0.1) 0%, rgba(121, 203, 255, 0.1) 100%);
    color: #fff;
    padding: 150px 0;
    margin-top: 80px;
    position: relative;
    overflow: hidden;
}

.hero-v2::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(121,203,255,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.5;
}

.hero-v2 .container {
    display: flex;
    align-items: center;
    gap: 80px;
    position: relative;
    z-index: 1;
}

.hero-content-v2 {
    flex: 1;
}

.hero-content-v2 h1 {
    font-size: 56px;
    font-weight: bold;
    margin-bottom: 20px;
    line-height: 1.2;
    background: linear-gradient(90deg, #fff, #79cfff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 0 30px rgba(121, 203, 255, 0.3);
}

.hero-content-v2 p {
    font-size: 18px;
    margin-bottom: 30px;
    opacity: 0.9;
    color: #e0e0e0;
}

.hero-image-v2 {
    flex: 1;
    position: relative;
}

.lightbulb-effect {
    position: relative;
    animation: pulse 3s infinite;
}

.lightbulb-effect img {
    width: 100%;
    border-radius: 15px;
    box-shadow: 0 20px 40px rgba(0, 123, 255, 0.2);
    border: 1px solid rgba(121, 203, 255, 0.3);
}

.lightbulb-effect::before {
    content: '';
    position: absolute;
    top: -20px;
    left: -20px;
    right: -20px;
    bottom: -20px;
    background: linear-gradient(45deg, #007bff, #79cfff);
    border-radius: 20px;
    z-index: -1;
    opacity: 0.3;
    filter: blur(30px);
}

/* 核心优势 */
.advantages {
    padding: 100px 0;
    background-color: rgba(10, 14, 23, 0.8);
    position: relative;
}

.advantages::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, rgba(121, 203, 255, 0.05) 0%, transparent 70%);
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
    position: relative;
    z-index: 1;
}

.advantage-item {
    text-align: center;
    padding: 40px 30px;
    background-color: rgba(16, 20, 30, 0.8);
    border-radius: 15px;
    transition: all 0.3s;
    border: 1px solid rgba(121, 203, 255, 0.2);
    position: relative;
    overflow: hidden;
}

.advantage-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, #007bff, #79cfff);
    transform: scaleX(0);
    transition: transform 0.3s;
}

.advantage-item:hover::before {
    transform: scaleX(1);
}

.advantage-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 123, 255, 0.2);
    border-color: rgba(121, 203, 255, 0.5);
}

.advantage-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 25px;
    background: linear-gradient(135deg, rgba(0, 123, 255, 0.2) 0%, rgba(121, 203, 255, 0.2) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(121, 203, 255, 0.3);
}

.advantage-icon i {
    font-size: 32px;
    color: #79cfff;
    text-shadow: 0 0 20px rgba(121, 203, 255, 0.5);
}

.advantage-item h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 15px;
    color: #fff;
}

.advantage-item p {
    color: #b0b0b0;
    line-height: 1.6;
}

/* 解决方案 */
.solutions-v2 {
    padding: 120px 0;
    background-color: rgba(10, 14, 23, 0.6);
    position: relative;
}

.solutions-v2::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 30% 70%, rgba(121, 203, 255, 0.05) 0%, transparent 70%);
    pointer-events: none;
}

.solutions-v2 h2 {
    text-align: center;
    font-size: 40px;
    font-weight: bold;
    margin-bottom: 20px;
    color: #fff;
    position: relative;
    z-index: 1;
}

.section-description {
    text-align: center;
    font-size: 18px;
    margin-bottom: 60px;
    color: #b0b0b0;
    position: relative;
    z-index: 1;
}

.solutions-grid-v2 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
    gap: 50px;
    position: relative;
    z-index: 1;
}

.solution-category {
    background-color: rgba(16, 20, 30, 0.8);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    transition: all 0.3s;
    border: 1px solid rgba(121, 203, 255, 0.2);
}

.solution-category:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 123, 255, 0.2);
    border-color: rgba(121, 203, 255, 0.5);
}

.category-header {
    background: linear-gradient(135deg, rgba(0, 123, 255, 0.1) 0%, rgba(121, 203, 255, 0.1) 100%);
    padding: 30px;
    display: flex;
    align-items: center;
    gap: 20px;
    border-bottom: 1px solid rgba(121, 203, 255, 0.2);
}

.category-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, rgba(0, 123, 255, 0.2) 0%, rgba(121, 203, 255, 0.2) 100%);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(121, 203, 255, 0.3);
}

.category-icon i {
    font-size: 24px;
    color: #79cfff;
    text-shadow: 0 0 10px rgba(121, 203, 255, 0.5);
}

.category-header h3 {
    font-size: 22px;
    font-weight: 600;
    color: #79cfff;
    text-shadow: 0 0 10px rgba(121, 203, 255, 0.3);
}

.solution-items {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    padding: 30px;
}

.solution-item-v2 {
    padding: 20px;
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
    transition: all 0.3s;
    border: 1px solid rgba(121, 203, 255, 0.1);
}

.solution-item-v2:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 123, 255, 0.1);
    border-color: rgba(121, 203, 255, 0.3);
}

.solution-item-v2 h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 10px;
    color: #fff;
}

.solution-item-v2 p {
    font-size: 14px;
    color: #b0b0b0;
    line-height: 1.5;
}

/* 典型项目 */
.projects {
    padding: 120px 0;
    background-color: rgba(10, 14, 23, 0.8);
    position: relative;
}

.projects::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 70% 30%, rgba(121, 203, 255, 0.05) 0%, transparent 70%);
}

.projects h2 {
    text-align: center;
    font-size: 40px;
    font-weight: bold;
    margin-bottom: 60px;
    color: #fff;
    position: relative;
    z-index: 1;
}

.projects-content {
    display: flex;
    align-items: center;
    gap: 60px;
    position: relative;
    z-index: 1;
}

.project-image {
    flex: 1;
    position: relative;
}

.project-image img {
    width: 100%;
    border-radius: 15px;
    box-shadow: 0 20px 40px rgba(0, 123, 255, 0.2);
    border: 1px solid rgba(121, 203, 255, 0.3);
    transition: transform 0.3s;
}

.project-image img:hover {
    transform: scale(1.02);
}

.project-image::before {
    content: '';
    position: absolute;
    top: -20px;
    left: -20px;
    right: -20px;
    bottom: -20px;
    background: linear-gradient(45deg, #007bff, #79cfff);
    border-radius: 20px;
    z-index: -1;
    opacity: 0.2;
    filter: blur(30px);
}

.project-details {
    flex: 1;
}

.project-details h3 {
    font-size: 28px;
    font-weight: 600;
    margin-bottom: 20px;
    color: #79cfff;
    text-shadow: 0 0 10px rgba(121, 203, 255, 0.3);
}

.project-details p {
    font-size: 16px;
    margin-bottom: 30px;
    color: #b0b0b0;
    line-height: 1.6;
}

.btn-secondary {
    background: transparent;
    border: 1px solid #79cfff;
    box-shadow: 0 5px 15px rgba(121, 203, 255, 0.2);
}

.btn-secondary:hover {
    background: linear-gradient(90deg, #007bff, #79cfff);
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(0, 123, 255, 0.4);
}

/* 新闻媒体 */
.news {
    padding: 120px 0;
    background-color: rgba(10, 14, 23, 0.6);
    position: relative;
}

.news::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, rgba(121, 203, 255, 0.03) 0%, transparent 70%);
}

.news h2 {
    text-align: center;
    font-size: 40px;
    font-weight: bold;
    margin-bottom: 60px;
    color: #fff;
    position: relative;
    z-index: 1;
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 40px;
    position: relative;
    z-index: 1;
}

.news-item {
    background-color: rgba(16, 20, 30, 0.8);
    border-radius: 15px;
    padding: 40px;
    transition: all 0.3s;
    border: 1px solid rgba(121, 203, 255, 0.2);
    position: relative;
    overflow: hidden;
}

.news-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, #007bff, #79cfff);
    transform: scaleX(0);
    transition: transform 0.3s;
}

.news-item:hover::before {
    transform: scaleX(1);
}

.news-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 123, 255, 0.2);
    border-color: rgba(121, 203, 255, 0.5);
}

.news-date {
    font-size: 14px;
    color: #79cfff;
    margin-bottom: 15px;
    font-weight: 500;
}

.news-item h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 15px;
    color: #fff;
}

.news-item p {
    font-size: 14px;
    color: #b0b0b0;
    line-height: 1.5;
}

/* 响应式设计 */
@media (max-width: 992px) {
    .hero .container,
    .hero-v2 .container,
    .data-content,
    .contact-content,
    .login-container,
    .projects-content {
        flex-direction: column;
        text-align: center;
    }

    .hero-content h1,
    .hero-content-v2 h1,
    .subpage-hero h1 {
        font-size: 48px;
    }

    .hero-image,
    .hero-image-v2,
    .data-image,
    .project-image {
        margin-top: 50px;
    }

    .contact-info,
    .contact-form,
    .project-details {
        width: 100%;
    }

    .login-left,
    .login-right {
        padding: 40px;
    }

    .solutions-grid-v2 {
        grid-template-columns: 1fr;
    }

    .solution-items {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: rgba(10, 14, 23, 0.95);
        backdrop-filter: blur(10px);
        flex-direction: column;
        padding: 30px;
        box-shadow: 0 10px 30px rgba(0, 123, 255, 0.1);
        border-top: 1px solid rgba(121, 203, 255, 0.2);
    }

    .nav-links.active {
        display: flex;
    }

    .mobile-menu {
        display: block;
    }

    .features h2,
    .solutions h2,
    .solutions-v2 h2,
    .data-showcase h2,
    .cases h2,
    .contact h2,
    .projects h2,
    .news h2,
    .subpage-content h2 {
        font-size: 32px;
    }

    .hero,
    .hero-v2 {
        padding: 120px 0 80px;
    }

    .features,
    .solutions,
    .solutions-v2,
    .data-showcase,
    .cases,
    .contact,
    .projects,
    .news,
    .subpage-content {
        padding: 100px 0;
    }
}

@media (max-width: 576px) {
    .hero-content h1,
    .hero-content-v2 h1,
    .subpage-hero h1 {
        font-size: 36px;
    }

    .hero-content p,
    .hero-content-v2 p,
    .subpage-hero p {
        font-size: 16px;
    }

    .features h2,
    .solutions h2,
    .solutions-v2 h2,
    .data-showcase h2,
    .cases h2,
    .contact h2,
    .projects h2,
    .news h2,
    .subpage-content h2 {
        font-size: 28px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .social-icons {
        justify-content: center;
    }

    .footer-links ul li a {
        padding-left: 0;
    }

    .footer-links ul li a::before {
        display: none;
    }

    .footer-links ul li a:hover {
        padding-left: 0;
    }
}