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

/* 导入金伯体字体 */
@font-face {
    font-family: 'JinBuTi';
    src: url('JinBuTi.woff') format('woff');
    font-weight: normal;
    font-style: normal;
}

body {
    font-family: 'JinBuTi', 'Microsoft YaHei', Arial, sans-serif;
    line-height: 1.6;
    color: #4682b4;
    overflow-x: hidden;
    font-size: 16px;
    background: #f0f8ff;
}

/* 全局链接样式 */
a {
    color: #4682b4;
    text-decoration: none;
}

a:hover {
    color: #5f9ea0;
}

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

@media (min-width: 1400px) {
    .container {
        max-width: 1300px;
    }
}

/* 模块化设计元素 */
.section-divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, #4682b4, transparent);
    margin: 60px auto;
    width: 80%;
    max-width: 1000px;
    display: none;
}

/* 科技感背景网格 */
body::before {
    content: "";
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        linear-gradient(rgba(240, 248, 255, 0.9), rgba(240, 248, 255, 0.9)) ,
        radial-gradient(circle at 10% 20%, rgba(173, 216, 230, 0.1) 0%, transparent 20%),
        radial-gradient(circle at 90% 80%, rgba(135, 206, 250, 0.1) 0%, transparent 20%),
        repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(173, 216, 230, 0.05) 2px, rgba(173, 216, 230, 0.05) 4px),
        repeating-linear-gradient(90deg, transparent, transparent 2px, rgba(173, 216, 230, 0.05) 2px, rgba(173, 216, 230, 0.05) 4px);
    z-index: -1;
}

/* 头部导航 */
header {
    background: rgba(240, 248, 255, 0.8);
    backdrop-filter: blur(10px);
    box-shadow: 0 0 20px rgba(173, 216, 230, 0.3);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(173, 216, 230, 0.3);
}

header.scrolled {
    padding: 10px 0;
    box-shadow: 0 0 30px rgba(173, 216, 230, 0.5);
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
}

.logo h1 {
    color: #4682b4;
    font-size: 28px;
    font-weight: 800;
    letter-spacing: 1px;
    background: linear-gradient(45deg, #4682b4, #5f9ea0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-align: center;
    margin: 0;
    white-space: nowrap;
}

nav ul {
    display: flex;
    list-style: none;
    gap: 25px;
    margin: 0;
    padding: 0;
}

nav ul li {
    margin-left: 0;
}

nav ul li a {
    text-decoration: none;
    color: #4682b4;
    font-weight: 600;
    transition: all 0.3s ease;
    position: relative;
    padding: 8px 0;
    font-size: 16px;
    white-space: nowrap;
}

nav ul li a:after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background: linear-gradient(45deg, #4682b4, #5f9ea0);
    transition: width 0.3s ease;
    box-shadow: 0 0 10px rgba(173, 216, 230, 0.7);
}

nav ul li a:hover:after,
nav ul li a.active:after {
    width: 100%;
}

nav ul li a:hover,
nav ul li a.active {
    color: #4682b4;
}

/* 主要横幅 */
.hero {
    background: linear-gradient(135deg, #f0f8ff 50%, #e6f2ff 100%);
    color: #4682b4;
    padding: 220px 0 170px;
    text-align: center;
    position: relative;
    overflow: hidden;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    border-bottom: 1px solid rgba(173, 216, 230, 0.2);
    flex-direction: column;
}

.hero::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 30%, rgba(173, 216, 230, 0.1) 0%, transparent 40%),
        radial-gradient(circle at 80% 70%, rgba(135, 206, 250, 0.1) 0%, transparent 40%);
    z-index: 0;
}

.hero-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100%;
    z-index: 1;
    text-align: center;
    margin: 0 auto;
    max-width: 1200px;
    padding: 0 20px;
}

.hero h2 {
    font-size: 70px;
    margin-bottom: 20px;
    background: linear-gradient(45deg, #4682b4, #5f9ea0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 2px;
    text-align: center;
    width: 100%;
}

.hero p {
    font-size: 26px;
    margin-bottom: 50px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    color: #4682b4;
    letter-spacing: 1px;
    text-align: center;
    width: 100%;
}

.stat-item {
    text-align: center;
    padding: 20px;
    border-radius: 10px;
    background: rgba(240, 248, 255, 0.5);
    border: 1px solid rgba(173, 216, 230, 0.3);
    box-shadow: 0 0 15px rgba(173, 216, 230, 0.2);
    backdrop-filter: blur(5px);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100%;
    min-width: 150px;
    max-width: 200px;
    transition: all 0.3s ease;
}

.stat-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(173, 216, 230, 0.4);
    border: 1px solid rgba(173, 216, 230, 0.5);
    background: rgba(240, 248, 255, 0.7);
}

.stat-number {
    font-size: 48px;
    font-weight: 700;
    background: linear-gradient(45deg, #4682b4, #5f9ea0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-align: center;
    margin-bottom: 10px;
    transition: all 0.3s ease;
}

.stat-label {
    font-size: 18px;
    margin-top: 10px;
    color: #4682b4;
    text-align: center;
    font-weight: 500;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 50px;
    margin: 50px 0;
    flex-wrap: wrap;
    align-items: center;
    width: 100%;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    padding: 0 20px;
    box-sizing: border-box;
}

.btn.primary {
    background: linear-gradient(45deg, #4682b4, #5f9ea0);
    color: white;
    box-shadow: 0 0 20px rgba(173, 216, 230, 0.5);
    border: 2px solid #4682b4;
}

.btn.primary:hover {
    background: transparent;
    color: #4682b4;
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(173, 216, 230, 0.7);
}

.btn.secondary {
    background: transparent;
    color: #4682b4;
    border: 2px solid #4682b4;
    box-shadow: 0 0 20px rgba(173, 216, 230, 0.3);
}

.btn.secondary:hover {
    background: linear-gradient(45deg, #4682b4, #5f9ea0);
    color: white;
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(173, 216, 230, 0.5);
}

/* 服务项目 */
.services {
    padding: 100px 0;
    background: linear-gradient(135deg, #f0f8ff 50%, #e6f2ff 100%);
    position: relative;
    border-bottom: 1px solid rgba(173, 216, 230, 0.2);
}

.services::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 80%, rgba(173, 216, 230, 0.05) 0%, transparent 30%),
        radial-gradient(circle at 80% 20%, rgba(135, 206, 250, 0.05) 0%, transparent 30%);
    z-index: 0;
}

.services h2 {
    text-align: center;
    font-size: 42px;
    margin-bottom: 60px;
    color: #4682b4;
    position: relative;
    display: block;
    font-weight: 700;
}

.services h2:after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(45deg, #4682b4, #5f9ea0);
    border-radius: 2px;
    box-shadow: 0 0 10px rgba(173, 216, 230, 0.5);
}

.service-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    margin: 30px auto 0;
    max-width: 1200px;
    justify-content: center;
    align-items: start;
}

.service-card {
    background: rgba(240, 248, 255, 0.7);
    border-radius: 20px;
    padding: 40px 30px;
    text-align: center;
    box-shadow: 0 0 20px rgba(173, 216, 230, 0.1);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
    z-index: 1;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    border: 1px solid rgba(173, 216, 230, 0.2);
    backdrop-filter: blur(5px);
    margin: 0 auto;
}

.service-card:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, rgba(173, 216, 230, 0.1), rgba(135, 206, 250, 0.1));
    opacity: 0;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    z-index: -1;
}

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

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 40px rgba(173, 216, 230, 0.3);
    border: 1px solid rgba(173, 216, 230, 0.5);
}

.service-card:hover .icon,
.service-card:hover h3,
.service-card:hover p {
    color: #4682b4;
}

.service-card .icon {
    font-size: 60px;
    margin-bottom: 25px;
    transition: all 0.3s ease;
    background: linear-gradient(45deg, #4682b4, #5f9ea0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.service-card h3 {
    font-size: 22px;
    margin-bottom: 15px;
    color: #4682b4;
    transition: all 0.3s ease;
    font-weight: 600;
}

.service-card p {
    color: #4682b4;
    font-size: 16px;
    transition: all 0.3s ease;
    line-height: 1.6;
    text-align: center;
    min-height: 60px;
}

/* 合作伙伴 */
.partners {
    padding: 80px 0;
    background: linear-gradient(135deg, #f0f8ff 50%, #e6f2ff 100%);
    position: relative;
    border-bottom: 1px solid rgba(173, 216, 230, 0.2);
}

.partners::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 40% 30%, rgba(173, 216, 230, 0.05) 0%, transparent 30%),
        radial-gradient(circle at 60% 70%, rgba(135, 206, 250, 0.05) 0%, transparent 30%);
    z-index: 0;
}

.partners h2 {
    text-align: center;
    font-size: 42px;
    margin-bottom: 60px;
    color: #4682b4;
    position: relative;
    display: block;
    font-weight: 700;
}

.partners h2:after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(45deg, #4682b4, #5f9ea0);
    border-radius: 2px;
    box-shadow: 0 0 10px rgba(173, 216, 230, 0.5);
}

.partner-logos {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    margin: 30px auto 0;
    max-width: 1000px;
    justify-content: center;
    align-items: center;
}

.partner-logo {
    background: rgba(240, 248, 255, 0.7);
    padding: 30px 20px;
    border-radius: 15px;
    box-shadow: 0 0 20px rgba(173, 216, 230, 0.1);
    font-weight: 600;
    color: #4682b4;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    height: 120px;
    font-size: 20px;
    border: 1px solid rgba(173, 216, 230, 0.2);
    cursor: pointer;
    gap: 0;
    backdrop-filter: blur(5px);
    width: 100%;
    margin: 0 auto;
}

.partner-logo:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, rgba(173, 216, 230, 0.1), rgba(135, 206, 250, 0.1));
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: -1;
}

.partner-logo:hover {
    color: #4682b4;
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(173, 216, 230, 0.3);
    border: 1px solid rgba(173, 216, 230, 0.5);
}

/* 三大运营商Logo样式 */
.partner-logo.cmcc {
    color: #4682b4;
    border-color: rgba(70, 130, 180, 0.3);
}

.partner-logo.cmcc:hover {
    color: #4682b4;
    border-color: #4682b4;
    box-shadow: 0 10px 30px rgba(70, 130, 180, 0.3);
}

.partner-logo.ct {
    color: #5f9ea0;
    border-color: rgba(95, 158, 160, 0.3);
}

.partner-logo.ct:hover {
    color: #5f9ea0;
    border-color: #5f9ea0;
    box-shadow: 0 10px 30px rgba(95, 158, 160, 0.3);
}

.partner-logo.cu {
    color: #6495ed;
    border-color: rgba(100, 149, 237, 0.3);
}

.partner-logo.cu:hover {
    color: #6495ed;
    border-color: #6495ed;
    box-shadow: 0 10px 30px rgba(100, 149, 237, 0.3);
}

/* Logo图片样式 */
.partner-logo-img {
    width: 80px;
    height: 80px;
    object-fit: contain;
    transition: transform 0.3s ease;
    flex-shrink: 0;
}

.partner-logo:hover .partner-logo-img {
    transform: scale(1.1);
}

/* 联系我们 */
.contact {
    padding: 100px 0;
    background: linear-gradient(135deg, #f0f8ff 50%, #e6f2ff 100%);
    position: relative;
    border-bottom: 1px solid rgba(173, 216, 230, 0.2);
}

.contact::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 30% 70%, rgba(173, 216, 230, 0.05) 0%, transparent 30%),
        radial-gradient(circle at 70% 30%, rgba(135, 206, 250, 0.05) 0%, transparent 30%);
    z-index: 0;
}

.contact h2 {
    text-align: center;
    font-size: 42px;
    margin-bottom: 60px;
    color: #4682b4;
    position: relative;
    display: block;
    font-weight: 700;
}

.contact h2:after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(45deg, #4682b4, #5f9ea0);
    border-radius: 2px;
    box-shadow: 0 0 10px rgba(173, 216, 230, 0.5);
}

.contact-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 50px;
    margin: 30px auto 0;
    max-width: 1200px;
    justify-content: center;
    align-items: start;
}

.contact-info .info-item {
    margin-bottom: 25px;
    padding: 30px;
    background: rgba(240, 248, 255, 0.7);
    border-radius: 15px;
    box-shadow: 0 0 20px rgba(173, 216, 230, 0.1);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    border-left: 4px solid #4682b4;
    border: 1px solid rgba(173, 216, 230, 0.2);
    backdrop-filter: blur(5px);
    margin: 0 auto;
    max-width: 500px;
}

.contact-info .info-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 40px rgba(173, 216, 230, 0.3);
    border-left: 4px solid #5f9ea0;
    border: 1px solid rgba(173, 216, 230, 0.5);
}

.contact-info .info-item h3 {
    font-size: 22px;
    margin-bottom: 15px;
    color: #4682b4;
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 600;
}

.contact-info .info-item h3:before {
    content: '';
    width: 10px;
    height: 10px;
    background: linear-gradient(45deg, #4682b4, #5f9ea0);
    border-radius: 50%;
    box-shadow: 0 0 10px rgba(173, 216, 230, 0.5);
}

.contact-info .info-item p {
    color: #4682b4;
    font-size: 18px;
    line-height: 1.6;
    margin-left: 2px;
}

.contact-form {
    background: rgba(240, 248, 255, 0.7);
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 0 30px rgba(173, 216, 230, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 300px;
    border: 1px solid rgba(173, 216, 230, 0.2);
    backdrop-filter: blur(5px);
}

.contact-form p {
    text-align: center;
    font-size: 22px;
    color: #4682b4;
    line-height: 1.6;
    max-width: 400px;
    font-weight: 500;
}

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

.contact-form input,
.contact-form textarea {
    padding: 18px;
    border: 2px solid #eee;
    border-radius: 10px;
    font-family: inherit;
    font-size: 16px;
    transition: all 0.3s ease;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: #3498db;
    box-shadow: 0 5px 15px rgba(52, 152, 219, 0.1);
}

.contact-form textarea {
    resize: vertical;
    min-height: 150px;
}

/* 页脚 */
footer {
    background: linear-gradient(135deg, #f0f8ff 50%, #e6f2ff 100%);
    color: #4682b4;
    padding: 60px 0 30px;
    position: relative;
    border-top: 1px solid rgba(173, 216, 230, 0.3);
}

footer::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 50%, rgba(173, 216, 230, 0.05) 0%, transparent 30%),
        radial-gradient(circle at 80% 50%, rgba(135, 206, 250, 0.05) 0%, transparent 30%);
    z-index: 0;
}

footer:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 10px;
    background: linear-gradient(90deg, #4682b4, #5f9ea0, #4682b4);
    box-shadow: 0 0 10px rgba(173, 216, 230, 0.5);
    z-index: 1;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin: 30px auto 0;
    max-width: 1200px;
    justify-content: center;
    align-items: start;
}

.footer-section h3 {
    font-size: 22px;
    margin-bottom: 25px;
    position: relative;
    display: inline-block;
    color: #4682b4;
    text-align: center;
    width: 100%;
}

.footer-section h3:after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 40px;
    height: 3px;
    background: linear-gradient(45deg, #4682b4, #5f9ea0);
    border-radius: 2px;
    box-shadow: 0 0 10px rgba(173, 216, 230, 0.5);
}

.footer-section p {
    color: #4682b4;
    line-height: 1.8;
    font-size: 16px;
    text-align: justify;
}

.footer-section ul li a {
    color: #4682b4;
    text-decoration: none;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 10px;
    justify-content: center;
}

.footer-section ul li a:hover {
    color: #4682b4;
    transform: translateX(5px);
}

.social-links {
    display: flex;
    gap: 15px;
    justify-content: center;
    margin: 20px auto 0;
    max-width: 300px;
    flex-wrap: wrap;
}

.footer-logo {
    max-width: 250px;
    height: auto;
    display: block;
    margin: 0 auto;
}

.social-links a {
    color: #4682b4;
    text-decoration: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    background: linear-gradient(45deg, #4682b4, #5f9ea0);
    box-shadow: 0 0 10px rgba(173, 216, 230, 0.5);
    border: 2px solid #4682b4;
}

.social-links a:hover {
    transform: translateY(-5px) scale(1.1);
    box-shadow: 0 10px 20px rgba(173, 216, 230, 0.7);
}

.copyright {
    text-align: center;
    padding: 40px 20px 20px;
    border-top: 1px solid rgba(173, 216, 230, 0.2);
    color: #4682b4;
    font-size: 16px;
    position: relative;
    z-index: 1;
    margin: 0 auto;
    max-width: 1200px;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 30px;
}

.copyright p {
    margin: 0;
    white-space: nowrap;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 5px;
}

.copyright img {
    vertical-align: middle;
    margin-right: 5px;
    max-width: 20px;
    height: auto;
}

/* 回到顶部按钮 */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: linear-gradient(45deg, #4682b4, #5f9ea0);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    cursor: pointer;
    box-shadow: 0 0 15px rgba(173, 216, 230, 0.5);
    transition: all 0.3s ease;
    opacity: 0;
    transform: translateY(20px);
    z-index: 1000;
    border: 2px solid #4682b4;
    box-sizing: border-box;
}

.back-to-top:hover {
    transform: translateY(-5px) scale(1.1);
    box-shadow: 0 10px 20px rgba(173, 216, 230, 0.7);
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .container {
        padding: 0 15px;
        width: 100%;
        box-sizing: border-box;
    }
    
    .hero h2 {
        font-size: 50px;
    }
    
    .hero p {
        font-size: 22px;
    }
    
    .about-text {
        padding: 30px;
    }
    
    .service-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 30px;
    }
    
    .partner-logos {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
        gap: 25px;
    }
    
    .contact-content {
        gap: 40px;
    }
    
    .contact-form p {
        font-size: 18px;
    }
    
    .footer-content {
        gap: 40px;
    }
}

@media (max-width: 1024px) {
    .hero h2 {
        font-size: 42px;
    }
    
    .hero p {
        font-size: 20px;
    }
    
    .about-text {
        padding: 25px;
    }
    
    header .container {
        flex-direction: row;
        gap: 20px;
        text-align: left;
        align-items: center;
    }
    
    .logo h1 {
        font-size: 24px;
    }
    
    nav ul {
        flex-wrap: nowrap;
        justify-content: flex-end;
        gap: 15px;
        width: auto;
    }
    
    nav ul li {
        margin: 0;
    }
    
    nav ul li a {
        font-size: 14px;
    }
    
    .service-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 25px;
    }
    
    .partner-logos {
        grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
        gap: 20px;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }
    
    .back-to-top {
        bottom: 25px;
        right: 25px;
        width: 45px;
        height: 45px;
        font-size: 22px;
    }
    
    .services h2, .partners h2, .contact h2 {
        font-size: 36px;
    }
    
    .hero-stats {
        gap: 25px;
        padding: 0 15px;
        box-sizing: border-box;
    }
    
    .stat-item {
        padding: 18px;
        min-width: 130px;
        max-width: 180px;
    }
    
    .stat-number {
        font-size: 42px;
    }
    
    .stat-label {
        font-size: 17px;
    }
    
    .copyright {
        flex-direction: row;
        gap: 25px;
        padding: 35px 18px 18px;
    }
    
    .copyright p {
        margin: 0;
        white-space: nowrap;
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 5px;
    }
    
    .copyright img {
        vertical-align: middle;
        margin-right: 5px;
        max-width: 18px;
        height: auto;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 10px;
        width: 100%;
        box-sizing: border-box;
    }
    
    .hero h2 {
        font-size: 36px;
    }
    
    .hero p {
        font-size: 18px;
    }
    
    header .container {
        flex-direction: row;
        gap: 15px;
        text-align: left;
        align-items: center;
        padding: 10px 15px;
    }
    
    .logo h1 {
        font-size: 22px;
    }
    
    nav ul {
        flex-wrap: nowrap;
        justify-content: flex-end;
        gap: 10px;
        width: auto;
    }
    
    nav ul li {
        margin: 0;
    }
    
    nav ul li a {
        font-size: 13px;
    }
    
    .service-grid {
        grid-template-columns: 1fr;
        gap: 20px;
        margin: 20px auto 0;
    }
    
    .contact-form p {
        font-size: 18px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
        margin: 20px auto 0;
    }
    
    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 40px;
        height: 40px;
        font-size: 20px;
    }
    
    .services h2, .partners h2, .contact h2 {
        font-size: 32px;
    }
    
    .hero-stats {
        gap: 20px;
        flex-direction: column;
        align-items: center;
        width: 100%;
        margin: 30px 0;
    }
    
    .stat-number {
        font-size: 36px;
    }
    
    .stat-label {
        font-size: 16px;
    }
    
    .partner-logos {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
        gap: 20px;
        margin: 20px auto 0;
    }
    
    .partner-logo {
        padding: 20px 15px;
        height: 100px;
        gap: 0;
    }
    
    .partner-logo-img {
        width: 60px;
        height: 60px;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 30px;
        margin: 20px auto 0;
    }
    
    .contact-info .info-item {
        margin: 0 auto 20px;
    }
    
    .contact-info .info-item h3 {
        font-size: 20px;
    }
    
    .contact-info .info-item p {
        font-size: 16px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 5px;
        width: 100%;
        box-sizing: border-box;
    }
    
    header .container {
        flex-direction: row;
        gap: 10px;
        text-align: left;
        align-items: center;
        padding: 8px 10px;
    }
    
    .logo h1 {
        font-size: 20px;
        white-space: nowrap;
    }
    
    nav ul {
        flex-wrap: nowrap;
        justify-content: flex-end;
        gap: 8px;
        width: auto;
    }
    
    nav ul li {
        margin: 0;
    }
    
    nav ul li a {
        font-size: 16px;
    }
    
    .hero-stats {
        gap: 15px;
        margin: 20px 0;
    }
    
    .stat-item {
        padding: 15px;
        min-width: 120px;
        max-width: 150px;
    }
    
    .stat-number {
        font-size: 32px;
    }
    
    .stat-label {
        font-size: 14px;
    }
    
    .services, .partners, .contact {
        padding: 60px 0;
    }
    
    .contact-form {
        padding: 15px;
    }
    
    .service-card {
        padding: 30px 20px;
    }
    
    .service-grid {
        gap: 15px;
        margin: 15px auto 0;
    }
    
    .partner-logo {
        padding: 15px 10px;
        height: 90px;
        gap: 0;
    }
    
    .partner-logos {
        gap: 15px;
        margin: 15px auto 0;
    }
    
    .partner-logo-img {
        width: 50px;
        height: 50px;
    }
    
    .contact-info .info-item {
        padding: 20px;
        margin: 0 auto 15px;
    }
    
    .contact-content {
        gap: 20px;
        margin: 15px auto 0;
    }
    
    .footer {
        padding: 40px 0 20px;
    }
    
    .footer-content {
        gap: 20px;
        margin: 15px auto 0;
    }
    
    .footer-logo {
        max-width: 180px;
    }
    
    .copyright {
        flex-direction: row;
        gap: 25px;
        padding: 35px 18px 18px;
    }
    
    .copyright p {
        margin: 0;
        white-space: nowrap;
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 5px;
    }
    
    .copyright img {
        vertical-align: middle;
        margin-right: 5px;
        max-width: 16px;
        height: auto;
    }
    
    .back-to-top {
        bottom: 15px;
        right: 15px;
        width: 35px;
        height: 35px;
        font-size: 18px;
    }
    
    .copyright {
        flex-direction: row;
        gap: 20px;
        padding: 30px 15px 15px;
    }
    
    .copyright p {
        margin: 0;
        white-space: nowrap;
    }
    
    nav ul {
        gap: 10px;
    }
    
    nav ul li a {
        font-size: 16px;
    }
}