:root {
    --tech-blue: #1677ff;
    --tech-dark-blue: #0052d9;
    --vibrant-orange: #ff6a00;
    --light-blue: #e6f7ff;
    --aliyun-orange: #FF6A00;
    --tencent-blue: #0084FF;
    --jd-red: #F30213;
    --huawei-red: #FF0000;
    --dark-bg: #0a0e17;
    --card-bg: #131a2a;
    --accent-purple: #8a2be2;
    --accent-cyan: #00d4ff;
}

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

body {
    font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
    margin: 0;
    padding: 0;
    background-color: var(--dark-bg);
    color: #e0e0e0;
    line-height: 1.6;
    overflow-x: hidden;
}

/* 粒子背景效果 */
#particles-js {
    position: fixed;
    width: 100%;
    height: 100%;
    z-index: -1;
}

/* 顶部导航栏样式 */
.top-nav {
    background: rgba(10, 14, 23, 0.9);
    backdrop-filter: blur(10px);
    color: white;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
    max-width: 1400px;
    margin: 0 auto;
    height: 70px;
}

.logo {
    font-size: 1.5rem;
    font-weight: 600;
    color: white;
    text-decoration: none;
    display: flex;
    align-items: center;
}

.menu-icon {
    width: 24px;
    height: 24px;
}

.nav-links {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-links li {
    position: relative;
}

.nav-links a {
    color: white;
    text-decoration: none;
    padding: 20px 15px;
    display: block;
    transition: all 0.3s;
    font-weight: 500;
    position: relative;
    display: flex;
    align-items: center;
}

.nav-links a:hover {
    color: var(--accent-cyan);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: linear-gradient(to right, var(--tech-blue), var(--accent-cyan));
    transition: all 0.3s;
    transform: translateX(-50%);
}

.nav-links a:hover::after {
    width: 80%;
}

.nav-links .active a {
    color: var(--accent-cyan);
}

.nav-links .active a::after {
    width: 80%;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: white;
    cursor: pointer;
    padding: 15px;
}

.dropdown-arrow {
    width: 16px;
    height: 16px;
    margin-left: 5px;
}

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

.dropdown-content {
    display: none;
    position: absolute;
    background-color: rgba(19, 26, 42, 0.95);
    backdrop-filter: blur(10px);
    min-width: 200px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    border-radius: 8px;
    z-index: 1;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.dropdown:hover .dropdown-content {
    display: block;
}

.dropdown-content a {
    color: #e0e0e0;
    padding: 12px 16px;
    text-decoration: none;
    display: block;
    transition: all 0.3s;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.dropdown-content a:last-child {
    border-bottom: none;
}

.dropdown-content a:hover {
    background-color: rgba(22, 119, 255, 0.2);
    color: var(--accent-cyan);
    padding-left: 20px;
}

/* 头部内容 */
.header-content {
    text-align: center;
    padding: 120px 20px 100px;
    background: linear-gradient(135deg, #0a0e1766 0%, #131a2a 100%);
    color: white;
    position: relative;
    overflow: hidden;
}

.header-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 80%, rgba(22, 119, 255, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(0, 212, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(138, 43, 226, 0.1) 0%, transparent 50%);
    z-index: 0;
}

.header-content h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
    font-weight: 700;
    background: linear-gradient(to right, #fff, var(--accent-cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    position: relative;
    z-index: 1;
    text-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.header-content p {
    font-size: 1.3rem;
    max-width: 800px;
    margin: 0 auto;
    opacity: 0.9;
    position: relative;
    z-index: 1;
    line-height: 1.8;
}

/* 云厂商标志展示 */
.cloud-vendors {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 40px;
    margin: 60px auto;
    max-width: 1000px;
    position: relative;
    z-index: 1;
}

.vendor-logo {
    display: flex;
    flex-direction: column;
    align-items: center;
    transition: all 0.3s;
}

.vendor-logo:hover {
    transform: translateY(-5px);
}

.vendor-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
    color: white;
    margin-bottom: 15px;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
}

.vendor-icon svg {
    width: 40px;
    height: 40px;
}

.vendor-icon::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(255,255,255,0.2), transparent);
    opacity: 0;
    transition: opacity 0.3s;
}

.vendor-logo:hover .vendor-icon::before {
    opacity: 1;
}

.aliyun { 
    background: linear-gradient(135deg, var(--aliyun-orange), #ff8c00);
}

.tencent { 
    background: linear-gradient(135deg, var(--tencent-blue), #00aaff);
}

.jd { 
    background: linear-gradient(135deg, var(--jd-red), #ff3333);
}

.huawei { 
    background: linear-gradient(135deg, var(--huawei-red), #ff4d4d);
}

.vendor-name {
    font-size: 1rem;
    font-weight: 500;
    color: white;
    opacity: 0.9;
}

/* 轮播图容器 */
.carousel-container {
    position: relative;
    width: 90%;
    max-width: 1400px;
    margin: -30px auto 100px;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
    height: 600px;
    z-index: 2;
}

/* 毛玻璃背景层 */
.carousel-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 1;
}

.carousel-bg-img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: blur(20px) brightness(0.7);
    transform: scale(1.1);
    opacity: 0;
    transition: opacity 0.8s ease;
}

.carousel-bg-img.active {
    opacity: 1;
}

/* 轮播图主体 */
.carousel {
    position: relative;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 2;
}

.carousel-inner {
    display: flex;
    height: 100%;
    transition: transform 0.8s cubic-bezier(0.25, 0.1, 0.25, 1);
}

.carousel-item {
    min-width: 100%;
    height: 100%;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* 中心图片容器 */
.carousel-center-image {
    position: relative;
    width: 85%;
    height: 85%;
    max-width: 1100px;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.5);
    border: 2px solid rgba(255, 255, 255, 0.1);
    z-index: 3;
    transition: all 0.5s;
}

.carousel-center-image:hover {
    transform: scale(1.02);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6);
}

.carousel-center-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.8s;
}

.carousel-center-image:hover img {
    transform: scale(1.05);
}

.carousel-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 50px;
    background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
    color: white;
    z-index: 4;
    text-align: center;
}

.carousel-caption h3 {
    font-size: 2.5rem;
    margin: 0 0 15px;
    color: white;
    font-weight: 600;
    text-shadow: 0 2px 10px rgba(0,0,0,0.5);
}

.carousel-caption p {
    font-size: 1.3rem;
    margin: 0 auto;
    max-width: 70%;
    opacity: 0.9;
}

.carousel-control {
    position: absolute;
    top: 50%;
    width: 70px;
    height: 70px;
    background-color: rgba(255,255,255,0.1);
    backdrop-filter: blur(10px);
    color: white;
    text-align: center;
    line-height: 70px;
    cursor: pointer;
    transform: translateY(-50%);
    border-radius: 50%;
    font-size: 32px;
    transition: all 0.3s;
    border: 1px solid rgba(255,255,255,0.2);
    z-index: 5;
    display: flex;
    align-items: center;
    justify-content: center;
}

.carousel-control svg {
    width: 24px;
    height: 24px;
}

.carousel-control:hover {
    background-color: var(--vibrant-orange);
    transform: translateY(-50%) scale(1.1);
    box-shadow: 0 5px 15px rgba(255, 106, 0, 0.4);
}

.carousel-control.left { left: 30px; }
.carousel-control.right { right: 30px; }

.carousel-indicators {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 15px;
    z-index: 5;
}

.indicator {
    width: 15px;
    height: 15px;
    border-radius: 50%;
    background-color: rgba(255,255,255,0.4);
    cursor: pointer;
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
}

.indicator::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right, var(--tech-blue), var(--accent-cyan));
    transition: left 0.5s;
}

.indicator.active {
    transform: scale(1.3);
}

.indicator.active::before {
    left: 0;
}

/* 产品展示部分 */
.section-title {
    text-align: center;
    margin: 100px 0 60px;
    position: relative;
}

.section-title h2 {
    font-size: 2.8rem;
    color: white;
    display: inline-block;
    margin: 0;
    padding: 0 30px;
    position: relative;
    font-weight: 700;
}

.section-title h2::before, .section-title h2::after {
    content: "";
    position: absolute;
    top: 50%;
    width: 150px;
    height: 3px;
    background: linear-gradient(to right, transparent, var(--tech-blue), var(--accent-cyan), transparent);
}

.section-title h2::before {
    right: 100%;
}

.section-title h2::after {
    left: 100%;
}

.card-container {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    padding: 20px;
    max-width: 1400px;
    margin: 0 auto 100px;
    gap: 30px;
}

.card {
    background: linear-gradient(145deg, var(--card-bg), #0f1522);
    border-radius: 16px;
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
    width: calc(33.333% - 20px);
    margin-bottom: 30px;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.25, 0.1, 0.25, 1);
    position: relative;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(to right, var(--tech-blue), var(--accent-cyan));
    opacity: 0;
    transition: opacity 0.3s;
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.5);
}

.card:hover::before {
    opacity: 1;
}

.card-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background: linear-gradient(to right, var(--vibrant-orange), #ff8c00);
    color: white;
    padding: 6px 15px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: bold;
    z-index: 2;
    box-shadow: 0 5px 15px rgba(255, 106, 0, 0.3);
}

.card-img-container {
    width: 100%;
    height: 220px;
    overflow: hidden;
    position: relative;
}

.card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.card:hover img {
    transform: scale(1.1);
}

.card .content {
    padding: 25px;
    position: relative;
}

.card .content h3 {
    margin: 0 0 15px;
    color: white;
    font-size: 1.4rem;
    font-weight: 600;
}

.card .content p {
    color: #b0b0b0;
    margin-bottom: 20px;
    font-size: 0.95rem;
    line-height: 1.6;
}

.card .features {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 20px;
}

.feature-tag {
    background: rgba(22, 119, 255, 0.2);
    color: var(--accent-cyan);
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    border: 1px solid rgba(0, 212, 255, 0.2);
}

.card .price {
    font-size: 1.8rem;
    color: var(--vibrant-orange);
    font-weight: bold;
    margin: 15px 0;
    text-shadow: 0 2px 5px rgba(0, 0, 0, 0.3);
}

.card .price span {
    font-size: 0.9rem;
    color: #999;
    font-weight: normal;
}

.card .btn-group {
    display: flex;
    gap: 10px;
}

.btn {
    display: inline-block;
    padding: 12px 20px;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 500;
    transition: all 0.3s;
    text-align: center;
    flex: 1;
    border: none;
    cursor: pointer;
    font-size: 0.95rem;
}

.btn-primary {
    background: linear-gradient(to right, var(--tech-blue), var(--accent-purple));
    color: white;
    box-shadow: 0 5px 15px rgba(22, 119, 255, 0.3);
}

.btn-primary:hover {
    background: linear-gradient(to right, var(--accent-purple), var(--tech-blue));
    box-shadow: 0 8px 20px rgba(22, 119, 255, 0.5);
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    color: var(--tech-blue);
    border: 1px solid var(--tech-blue);
}

.btn-outline:hover {
    background-color: rgba(22, 119, 255, 0.1);
    transform: translateY(-2px);
}

/* 云服务优势部分 */
.advantages {
    background: linear-gradient(135deg, #0a0e17 0%, #131a2a 100%);
    padding: 100px 20px;
    margin: 60px 0;
    position: relative;
    overflow: hidden;
}

.advantages::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 10px;
    background: linear-gradient(to right, var(--aliyun-orange), var(--tencent-blue), var(--jd-red), var(--huawei-red));
}

.advantages::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 10% 10%, rgba(0, 212, 255, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 90% 90%, rgba(138, 43, 226, 0.05) 0%, transparent 50%);
    z-index: 0;
}

.advantage-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    max-width: 1200px;
    margin: 0 auto;
    gap: 40px;
    position: relative;
    z-index: 1;
}

.advantage-item {
    flex: 1;
    min-width: 250px;
    text-align: center;
    padding: 40px 30px;
    border-radius: 12px;
    transition: all 0.3s;
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.advantage-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
    background: rgba(255, 255, 255, 0.06);
}

.advantage-icon {
    font-size: 3.5rem;
    margin-bottom: 25px;
    color: var(--accent-cyan);
    text-shadow: 0 5px 15px rgba(0, 212, 255, 0.3);
}

.advantage-icon svg {
    width: 60px;
    height: 60px;
}

.advantage-item h3 {
    color: white;
    margin-bottom: 15px;
    font-size: 1.5rem;
    font-weight: 600;
}

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

/* 底部区域 */
.footer {
    background: linear-gradient(to right, #0a0e17, #131a2a);
    color: white;
    padding: 80px 20px 30px;
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: linear-gradient(to right, var(--aliyun-orange), var(--tencent-blue), var(--jd-red), var(--huawei-red));
}

.footer::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 80%, rgba(22, 119, 255, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(0, 212, 255, 0.05) 0%, transparent 50%);
    z-index: 0;
}

.footer-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    gap: 40px;
    position: relative;
    z-index: 1;
}

.footer-column {
    flex: 1;
    min-width: 200px;
}

.footer-column h3 {
    color: white;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
    font-size: 1.3rem;
}

.footer-column h3::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background: var(--vibrant-orange);
}

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

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

.footer-column ul li a {
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    transition: all 0.3s;
    display: flex;
    align-items: center;
}

.footer-icon {
    width: 16px;
    height: 16px;
    margin-right: 10px;
}

.footer-column ul li a:hover {
    color: var(--accent-cyan);
    padding-left: 5px;
}

.footer-column .social-links {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.footer-column .social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: rgba(255,255,255,0.1);
    color: white;
    transition: all 0.3s;
}

.footer-column .social-links a:hover {
    background-color: var(--vibrant-orange);
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(255, 106, 0, 0.3);
}

.copyright {
    text-align: center;
    padding-top: 40px;
    margin-top: 40px;
    border-top: 1px solid rgba(255,255,255,0.1);
    color: rgba(255,255,255,0.6);
    font-size: 0.9rem;
    position: relative;
    z-index: 1;
}

.beian {
    display: inline-block;
    margin-top: 15px;
    color: rgba(255,255,255,0.6);
    text-decoration: none;
    transition: all 0.3s;
}

.beian:hover {
    color: var(--accent-cyan);
    text-decoration: underline;
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .card {
        width: calc(50% - 15px);
    }
}

@media (max-width: 992px) {
    .footer-column {
        min-width: 150px;
    }
    
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: rgba(19, 26, 42, 0.98);
        backdrop-filter: blur(10px);
        flex-direction: column;
        box-shadow: 0 5px 10px rgba(0,0,0,0.1);
        z-index: 1000;
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .nav-links a {
        color: #e0e0e0;
        padding: 15px 20px;
        border-bottom: 1px solid rgba(255,255,255,0.05);
    }
    
    .nav-links a:hover {
        background-color: rgba(22, 119, 255, 0.1);
        color: var(--accent-cyan);
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .dropdown-content {
        position: static;
        box-shadow: none;
        border-radius: 0;
        display: none;
        background-color: rgba(10, 14, 23, 0.9);
    }
    
    .dropdown:hover .dropdown-content {
        display: none;
    }
    
    .dropdown.active .dropdown-content {
        display: block;
    }
}

@media (max-width: 768px) {
    .header-content h1 {
        font-size: 2.5rem;
    }
    
    .header-content p {
        font-size: 1.1rem;
    }
    
    .cloud-vendors {
        gap: 20px;
    }
    
    .vendor-icon {
        width: 60px;
        height: 60px;
    }
    
    .vendor-icon svg {
        width: 30px;
        height: 30px;
    }
    
    .card {
        width: 100%;
        max-width: 400px;
    }
    
    .carousel-container {
        height: 450px;
    }
    
    .carousel-caption {
        padding: 30px;
    }
    
    .carousel-caption h3 {
        font-size: 1.8rem;
    }
    
    .carousel-caption p {
        max-width: 100%;
        font-size: 1.1rem;
    }
    
    .carousel-control {
        width: 50px;
        height: 50px;
        line-height: 50px;
    }
    
    .carousel-control svg {
        width: 20px;
        height: 20px;
    }
    
    .footer-container {
        flex-direction: column;
        gap: 30px;
    }
    
    .footer-column {
        width: 100%;
    }
    
    .section-title h2 {
        font-size: 2.2rem;
    }
    
    .section-title h2::before,
    .section-title h2::after {
        width: 80px;
    }
}

@media (max-width: 480px) {
    .header-content h1 {
        font-size: 2rem;
    }
    
    .header-content {
        padding: 80px 20px 60px;
    }
    
    .cloud-vendors {
        gap: 15px;
    }
    
    .vendor-icon {
        width: 50px;
        height: 50px;
    }
    
    .vendor-icon svg {
        width: 25px;
        height: 25px;
    }
    
    .carousel-container {
        height: 350px;
    }
    
    .section-title h2 {
        font-size: 1.8rem;
    }
    
    .section-title h2::before,
    .section-title h2::after {
        width: 50px;
    }
    
    .carousel-caption h3 {
        font-size: 1.5rem;
    }
    
    .carousel-caption p {
        font-size: 1rem;
    }
    
    .logo {
        font-size: 1.2rem;
    }
}

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

.fade-in-up {
    animation: fadeInUp 0.8s ease forwards;
}

.delay-1 {
    animation-delay: 0.2s;
}

.delay-2 {
    animation-delay: 0.4s;
}

.delay-3 {
    animation-delay: 0.6s;
}

/* 滚动动画 */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}


/* 联系我们部分样式 */
.contact-item {
    display: flex;
    align-items: center;
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    transition: all 0.3s;
    padding: 8px 0;
    width: 100%;
}

.contact-item:hover {
    color: var(--accent-cyan);
    padding-left: 5px;
}

.contact-label {
    font-weight: 500;
    min-width: 80px;
    margin-right: 10px;
    color: rgba(255,255,0.9);
}

.contact-value {
    flex: 1;
    word-break: break-all;
}

.footer-icon {
    width: 16px;
    height: 16px;
    margin-right: 10px;
    flex-shrink: 0;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .contact-item {
        flex-wrap: wrap;
    }
    
    .contact-label {
        min-width: 70px;
        font-size: 0.9rem;
    }
    
    .contact-value {
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    .contact-label {
        min-width: 60px;
        font-size: 0.85rem;
    }
    
    .contact-value {
        font-size: 0.85rem;
    }
}

.copyright {
    text-align: center;
    padding-top: 40px;
    margin-top: 40px;
    border-top: 1px solid rgba(255,255,255,0.1);
    color: rgba(255,255,255,0.6);
    font-size: 0.9rem;
    position: relative;
    z-index: 1;
    line-height: 1.6;
}

.beian {
    color: rgba(255,255,255,0.6) !important;
    text-decoration: none;
    transition: all 0.3s;
    margin-top: 15px;
    display: inline-block;
    font-size: 0.85rem;
}

.beian:hover {
    color: var(--accent-cyan) !important;
    text-decoration: underline;
}

/* 使用更具体的选择器来覆盖默认样式 */
footer .copyright a.beian,
.copyright a.beian,
ahref*="beian.miit.gov.cn"] {
    color: rgba(255,255,255,0.6) !important;
    text-decoration: none !important;
}

footer .copyright a.beian:hover,
.copyright a.beian:hover,
a.beian[href*="beian.miit.gov.cn"]:hover {
    color: #00d4ff !important;
    text-decoration: underline !important;
}

/* 双排友情链接样式 */
.friend-links-grid {
    display: grid-template-columns: repeat(2, 1fr);
    gap: 8px 15px;
}

.friend-link-item {
    display: flex;
    align-items: center;
}

.friend-link {
    display: flex;
    align-items: center;
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    transition: all 0.3s;
    padding: 6px 10px;
    border-radius: 4px;
    width: 100%;
    font-size: 0.9rem;
}

.friend-link:hover {
    color: var(--accent-cyan);
    background: rgba(255,255,255,0.05);
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(0,0,0,0.2);
}

.friend-link .footer-icon {
    width: 14px;
    height: 14px;
    margin-right: 8px;
    flex-shrink: 0;
    transition: transform 0.3s;
}

.friend-link:hover .footer-icon {
    transform: translateX(3px) rotate(90deg);
}

.link-text {
    flex: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* 如果没有友情链接时的样式 */
.friend-links-grid:empty::before {
    content: "暂无友情链接";
    color: rgba(255,255,255,0.4);
    font-style: italic;
    grid-column: 1 / -1;
    text-align: center;
    padding: 20px 0;
}

/* 响应式调整 */
@media (max-width:) {
    .friend-links-grid {
        grid-template-columns: 1fr;
        gap: 5px;
    }
    
    .friend-link {
        padding: 8px 12px;
        font-size: 0.85rem;
    }
}

@media (max-width: 480px) {
    .friend-links-grid {
        grid-template-columns: 1fr;
    }
}