/* 全局样式 */
:root {
    --primary-color: #1a1a1a;    /* 深色背景 */
    --secondary-color: #00bf8f;  /* 翠绿色 */
    --accent-color: #2193b0;     /* 蓝色 */
    --text-color: #ffffff;       /* 白色文字 */
    --dark-bg: #121212;          /* 更深的背景色 */
    --card-bg: #1f1f1f;          /* 卡片背景色 */
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Microsoft YaHei', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--primary-color);
}

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

/* 导航栏样式 */
.navbar {
    background: var(--dark-bg);
    box-shadow: 0 2px 5px rgba(0,0,0,0.3);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo-icon {
    color: var(--secondary-color);
    transition: transform 0.3s ease;
}

.logo:hover .logo-icon {
    transform: rotate(180deg);
}

.logo-text {
    font-size: 1.5rem;
    font-weight: bold;
    background: linear-gradient(45deg, var(--secondary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

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

.nav-links li a {
    color: var(--text-color);
    text-decoration: none;
    padding: 0.5rem 1rem;
    transition: color 0.3s;
}

.nav-links li a:hover {
    color: var(--secondary-color);
}

/* Hero部分样式 */
.hero {
    position: relative;
    overflow: hidden;
    background: linear-gradient(rgba(0,0,0,0.8), rgba(0,0,0,0.8)), url('../images/hero-bg.jpg');
    background-size: cover;
    background-position: center;
    height: 100vh;
    display: flex;
    align-items: center;
    text-align: center;
    color: white;
}

.hero-bg-animation {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, 
        rgba(0, 191, 143, 0.2), 
        rgba(33, 147, 176, 0.2));
    animation: gradientBG 15s ease infinite;
    z-index: 1;
}

.hero .container {
    position: relative;
    z-index: 2;
}

.particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.animate-text {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 1s ease forwards;
}

.animate-text-delay {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 1s ease forwards 0.3s;
}

.animate-button {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 1s ease forwards 0.6s;
}

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

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

/* 更新Hero文字样式 */
.hero h1 {
    font-size: 4rem;
    font-weight: bold;
    text-shadow: 0 0 20px rgba(0, 191, 143, 0.3);
    margin-bottom: 1.5rem;
    letter-spacing: 2px;
}

.hero p {
    font-size: 1.4rem;
    margin-bottom: 1.5rem;
    text-shadow: 0 0 5px rgba(33, 147, 176, 0.5);
    letter-spacing: 1px;
}

.slogan-features {
    font-size: 1.2rem;
    margin: 2rem 0;
    color: rgba(255, 255, 255, 0.9);
}

.slogan-features .divider {
    margin: 0 1rem;
    color: var(--secondary-color);
}

.slogan-features span {
    display: inline-block;
    position: relative;
}

.slogan-features span:not(.divider) {
    transition: color 0.3s ease;
}

.slogan-features span:not(.divider):hover {
    color: var(--secondary-color);
    cursor: default;
}

.cta-button {
    display: inline-block;
    padding: 1rem 2rem;
    background: var(--secondary-color);
    color: var(--text-color);
    text-decoration: none;
    border-radius: 5px;
    margin-top: 2rem;
    transition: background 0.3s;
}

.cta-button:hover {
    background: var(--accent-color);
}

/* 服务部分样式更新 */
.services {
    padding: 5rem 0;
    background: var(--dark-bg);
    position: relative;
}

.services::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--secondary-color), transparent);
}

.service-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
    margin-top: 3rem;
    max-width: 1100px;
    margin-left: auto;
    margin-right: auto;
}

.service-item {
    max-width: 400px;
    margin: 0 auto;
    width: 100%;
    text-align: left;
    padding: 2rem;
    background: var(--card-bg);
    border-radius: 15px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    border: 1px solid rgba(255,255,255,0.1);
    position: relative;
    overflow: hidden;
}

.service-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, var(--secondary-color), var(--accent-color));
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 1;
}

.service-item:hover {
    transform: translateY(-10px);
    border-color: var(--secondary-color);
}

.service-item:hover::before {
    opacity: 0.05;
}

.service-icon {
    position: relative;
    width: 60px;
    height: 60px;
    margin-bottom: 1.5rem;
}

.service-icon i {
    position: relative;
    font-size: 2rem;
    color: var(--secondary-color);
    z-index: 2;
    transition: transform 0.3s ease;
}

.icon-bg {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 50px;
    height: 50px;
    background: rgba(0, 191, 143, 0.1);
    border-radius: 12px;
    transition: all 0.3s ease;
}

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

.service-item:hover .icon-bg {
    transform: translate(-50%, -50%) rotate(45deg);
    background: rgba(0, 191, 143, 0.2);
}

.service-item h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-color);
}

.service-item p {
    color: rgba(255,255,255,0.7);
    margin-bottom: 1.5rem;
}

.service-features {
    list-style: none;
    margin: 1.5rem 0;
}

.service-features li {
    display: flex;
    align-items: center;
    margin-bottom: 0.8rem;
    color: rgba(255,255,255,0.8);
}

.service-features li i {
    color: var(--secondary-color);
    margin-right: 0.5rem;
    font-size: 0.9rem;
}

.service-link {
    display: inline-flex;
    align-items: center;
    color: var(--secondary-color);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
}

.service-link i {
    margin-left: 0.5rem;
    transition: transform 0.3s ease;
}

.service-link:hover {
    color: var(--accent-color);
}

.service-link:hover i {
    transform: translateX(5px);
}

/* 响应式调整 */
@media (min-width: 1200px) {
    .service-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 1199px) and (min-width: 768px) {
    .service-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    }
}

@media (max-width: 767px) {
    .service-grid {
        grid-template-columns: 1fr;
    }
}

/* 关于我们新样式 */
.about {
    padding: 5rem 0;
    background: var(--dark-bg);
    position: relative;
}

.about::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--secondary-color), transparent);
}

.about-content {
    max-width: 1000px;
    margin: 0 auto;
    padding: 2rem;
    background: var(--card-bg);
    border-radius: 20px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.2);
    border: 1px solid rgba(255,255,255,0.1);
}

.about-description {
    font-size: 1.2rem;
    line-height: 1.8;
    color: var(--text-color);
    text-align: center;
    margin-bottom: 3rem;
    padding: 0 1rem;
}

.company-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    padding: 1rem;
}

.feature-item {
    text-align: center;
    padding: 1.5rem;
    background: rgba(255,255,255,0.03);
    border-radius: 15px;
    transition: all 0.3s ease;
    border: 1px solid rgba(255,255,255,0.05);
}

.feature-item:hover {
    transform: translateY(-5px);
    background: rgba(255,255,255,0.05);
    border-color: var(--secondary-color);
}

.feature-item i {
    font-size: 2.5rem;
    color: var(--secondary-color);
    margin-bottom: 1rem;
    transition: transform 0.3s ease;
}

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

.feature-item h4 {
    color: var(--text-color);
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.feature-item p {
    color: rgba(255,255,255,0.7);
    font-size: 0.9rem;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .about-description {
        font-size: 1.1rem;
        padding: 0;
    }

    .company-features {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
        gap: 1rem;
    }

    .feature-item {
        padding: 1rem;
    }
}

/* 更新联系我们样式 */
.contact {
    padding: 5rem 0;
    background: var(--dark-bg);
}

.contact-info {
    display: flex;
    justify-content: center;
    margin-top: 3rem;
}

.info-item {
    text-align: center;
    padding: 2.5rem;
    background: var(--card-bg);
    border-radius: 15px;
    border: 1px solid rgba(255,255,255,0.1);
    transition: all 0.3s ease;
    max-width: 600px;
    width: 100%;
}

.info-item:hover {
    transform: translateY(-5px);
    border-color: var(--secondary-color);
    box-shadow: 0 5px 15px rgba(0, 191, 143, 0.1);
}

.info-item i {
    font-size: 2.5rem;
    color: var(--secondary-color);
    margin-bottom: 1.5rem;
}

.info-item p {
    font-size: 1.2rem;
    color: var(--text-color);
    line-height: 1.6;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .info-item {
        padding: 2rem;
    }
    
    .info-item p {
        font-size: 1rem;
    }
}

/* 更新页脚样式 */
.footer {
    background: var(--dark-bg);
    color: white;
    text-align: center;
    padding: 2rem 0;
    border-top: 1px solid var(--secondary-color);
}

.footer p {
    margin: 0.5rem 0;
}

.icp-info {
    margin-top: 1rem;
}

.icp-info a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color 0.3s ease;
    font-size: 0.9rem;
}

.icp-info a:hover {
    color: var(--secondary-color);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
}

/* 标题样式 */
section h2 {
    color: var(--text-color);
    text-align: center;
    margin-bottom: 2rem;
    position: relative;
    padding-bottom: 1rem;
}

section h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 3px;
    background: linear-gradient(to right, var(--secondary-color), var(--accent-color));
}

/* 滚动条样式 */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--dark-bg);
}

::-webkit-scrollbar-thumb {
    background: var(--secondary-color);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent-color);
}