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

:root {
    --primary-color: #1e50a2; /* 更深的蓝色 - 主色 */
    --secondary-color: #ff8c00; /* 暖橙色 - 强调色 */
    --dark-blue: #0a2b5c; /* 深蓝色 - 标题、底部背景 */
    --light-blue: #eef5fc; /* 浅蓝色 - 背景色 */
    --light-gray: #f7f7f7; /* 浅灰色 - 背景色 */
    --medium-gray: #f0f0f0; /* 中灰色 - 卡片、分隔线 */
    --text-color: #2c3e50; /* 深灰蓝色 - 正文文字 */
    --light-text: #5d6c7b; /* 浅灰蓝色 - 次要文字 */
    --white: #ffffff;
}

body {
    font-family: 'Noto Sans SC', sans-serif;
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
    background-color: var(--white);
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Montserrat', 'Noto Sans SC', sans-serif;
    font-weight: 700;
    line-height: 1.3;
    color: var(--dark-blue);
    margin-bottom: 0.5em;
}

p {
    margin-bottom: 1rem;
    color: var(--text-color);
}

a {
    text-decoration: none;
    color: var(--primary-color);
    transition: all 0.3s ease;
}

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

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

.btn-primary {
    display: inline-block;
    background-color: var(--secondary-color);
    color: var(--white);
    padding: 14px 32px;
    border-radius: 4px;
    font-weight: 600;
    font-size: 1rem;
    border: 2px solid var(--secondary-color);
    transition: all 0.3s ease;
    box-shadow: 0 4px 8px rgba(255, 140, 0, 0.2);
    letter-spacing: 0.5px;
}

.btn-primary:hover {
    background-color: transparent;
    color: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(255, 140, 0, 0.3);
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 15px;
    position: relative;
    display: inline-block;
    letter-spacing: 0.5px;
}

.section-header h2:after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background-color: var(--secondary-color);
}

.section-header p {
    max-width: 800px;
    margin: 25px auto 0;
    color: var(--light-text);
    font-size: 1.1rem;
    line-height: 1.7;
}

/* 导航栏样式 */
header {
    position: fixed;
    width: 100%;
    top: 0;
    left: 0;
    z-index: 1000;
    background-color: var(--white);
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 20px;
}

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

.logo a {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.logo-img {
    height: 50px;
    width: auto;
    object-fit: contain;
    transition: all 0.3s ease;
}

.logo-text {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-left: 10px;
    font-family: 'Montserrat', 'Noto Sans SC', sans-serif;
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
}

header.scrolled .logo-img {
    height: 45px;
}

header.scrolled .logo-text {
    font-size: 1.4rem;
}

.logo h1 {
    font-size: 1.9rem;
    color: var(--primary-color);
    margin: 0;
    letter-spacing: 0.5px;
}

nav ul {
    display: flex;
    list-style: none;
}

nav ul li {
    margin-left: 35px;
}

nav ul li a {
    color: var(--dark-blue);
    font-weight: 500;
    position: relative;
    padding: 5px 0;
    font-size: 1.05rem;
}

nav ul li a:after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--secondary-color);
    transition: all 0.3s ease;
}

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

.mobile-menu-btn {
    display: none;
    font-size: 1.5rem;
    color: var(--primary-color);
    cursor: pointer;
}

/* 英雄区域样式 */
.hero {
    height: 100vh;
    background: linear-gradient(rgba(0, 22, 60, 0.7), rgba(0, 22, 60, 0.7)), url('/img/hero-bg.jpg');
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    text-align: center;
    color: var(--white);
    position: relative;
    margin-top: 0;
    padding-top: 80px;
}

.hero-content {
    max-width: 850px;
    margin: 0 auto;
    padding: 0 20px;
}

.hero-content h1 {
    font-size: 3.2rem;
    margin-bottom: 20px;
    color: var(--white);
    text-transform: uppercase;
    letter-spacing: 1px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    line-height: 1.2;
}

.hero-content h1 span {
    display: block;
    color: var(--secondary-color);
    margin-top: 10px;
}

.hero-content p {
    font-size: 1.3rem;
    margin-bottom: 35px;
    color: rgba(255, 255, 255, 0.9);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.7;
}

/* 统计数据样式 */
.statistics {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--dark-blue) 100%);
    color: var(--white);
    padding: 60px 0;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.stat-container {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    text-align: center;
}

.stat-item {
    flex: 1;
    min-width: 220px;
    padding: 25px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.stat-item:not(:last-child):after {
    content: '';
    position: absolute;
    right: 0;
    top: 25%;
    height: 50%;
    width: 1px;
    background-color: rgba(255, 255, 255, 0.2);
}

.stat-item i {
    font-size: 2.8rem;
    margin-right: 18px;
    color: var(--secondary-color);
}

.stat-info h3 {
    font-size: 2.8rem;
    margin-bottom: 8px;
    color: var(--white);
}

.stat-info p {
    margin: 0;
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.85);
    font-weight: 500;
}

/* 服务部分样式 */
.services {
    padding: 120px 0;
    background-color: var(--light-gray);
    position: relative;
}

.services::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 100px;
    background: linear-gradient(to bottom, rgba(255, 255, 255, 0.8), rgba(247, 247, 247, 0));
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
    margin-top: 20px;
}

.service-card {
    height: 400px;
    perspective: 1500px;
    cursor: pointer;
    position: relative;
}

.card-front, .card-back {
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 12px;
    transition: transform 0.7s cubic-bezier(0.4, 0.2, 0.2, 1);
    backface-visibility: hidden;
    overflow: hidden;
}

.card-front {
    background: var(--white);
    padding: 35px 30px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    transform: rotateY(0deg);
}

.card-back {
    background: linear-gradient(135deg, var(--dark-blue) 0%, var(--primary-color) 100%);
    color: var(--white);
    padding: 35px 30px;
    transform: rotateY(180deg);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12);
}

/* Add missing flipped class styles */
.service-card.flipped .card-front {
    transform: rotateY(180deg);
}

.service-card.flipped .card-back {
    transform: rotateY(0deg);
}

.service-card:hover .card-front {
    transform: rotateY(180deg);
}

.service-card:hover .card-back {
    transform: rotateY(0deg);
}

.service-card .icon {
    color: var(--secondary-color);
    font-size: 3rem;
    margin-bottom: 25px;
    transition: transform 0.3s ease;
}

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

.service-card h3 {
    font-size: 1.6rem;
    margin-bottom: 15px;
    color: var(--dark-blue);
}

.service-card .card-front p {
    color: var(--light-text);
    font-size: 1.05rem;
    line-height: 1.6;
}

.service-card .card-back h3 {
    color: var(--white);
    margin-bottom: 20px;
}

.service-card .card-back p {
    color: rgba(255, 255, 255, 0.85);
    font-size: 1rem;
    line-height: 1.7;
}

.more-info, .back-btn {
    color: var(--secondary-color);
    font-weight: 600;
    display: flex;
    align-items: center;
    transition: all 0.3s ease;
    font-size: 0.95rem;
}

.more-info i, .back-btn i {
    margin-left: 5px;
    transition: transform 0.3s ease;
}

.more-info:hover {
    color: var(--primary-color);
}

.more-info:hover i {
    transform: translateX(5px);
}

.back-btn:hover i {
    transform: translateX(-5px);
}

/* 关于我们样式 */
.about {
    padding: 120px 0;
    background-color: var(--white);
    position: relative;
}

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

.about-text {
    flex: 1;
    min-width: 320px;
}

.about-text h2 {
    font-size: 2.5rem;
    margin-bottom: 25px;
    position: relative;
    padding-bottom: 15px;
}

.about-text h2:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 80px;
    height: 3px;
    background-color: var(--secondary-color);
}

.about-text p {
    margin-bottom: 20px;
    color: var(--text-color);
    font-size: 1.05rem;
    line-height: 1.8;
}

.about-image {
    flex: 1;
    min-width: 320px;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
    position: relative;
}

.about-image-placeholder {
    width: 100%;
    height: 350px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--dark-blue) 100%);
    color: var(--white);
}

.about-image-placeholder i {
    font-size: 5rem;
    margin-bottom: 20px;
    color: var(--secondary-color);
}

.about-image-placeholder p {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--white);
    margin: 0;
}

.about-image::before {
    content: '';
    position: absolute;
    top: -20px;
    left: -20px;
    width: 60px;
    height: 60px;
    border-top: 5px solid var(--secondary-color);
    border-left: 5px solid var(--secondary-color);
    z-index: 1;
}

.about-image::after {
    content: '';
    position: absolute;
    bottom: -20px;
    right: -20px;
    width: 60px;
    height: 60px;
    border-bottom: 5px solid var(--secondary-color);
    border-right: 5px solid var(--secondary-color);
    z-index: 1;
}

.about-image img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.5s ease;
}

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

.partners {
    margin-top: 40px;
    text-align: center;
    background-color: var(--light-gray);
    padding: 30px 10px 20px;
    border-radius: 10px 10px 0 0;
}

.partners h3 {
    font-size: 1.8rem;
    margin-bottom: 25px;
    color: var(--dark-blue);
    position: relative;
    display: inline-block;
}

.partners h3:after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background-color: var(--secondary-color);
}

.partner-logos {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    column-gap: 10px;
    row-gap: 25px;
    max-width: 1050px;
    margin: 0 auto;
    padding: 0;
}

.partner-logo {
    padding: 12px 5px;
    background-color: var(--white);
    border-radius: 8px;
    font-weight: 600;
    color: var(--text-color);
    box-shadow: 0 3px 12px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    aspect-ratio: 1 / 1;
    text-align: center;
    height: 145px;
    width: 145px;
    margin: 0 auto;
}

.partner-logo-container {
    width: 110px;
    height: 75px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 10px;
}

.partner-logo img {
    display: block;
    position: absolute;
    max-width: 110px;
    max-height: 75px;
    width: auto;
    height: auto;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    object-fit: contain;
}

.placeholder-logo {
    width: 100px;
    height: 70px;
    background-color: var(--light-gray);
    border-radius: 5px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--light-text);
}

.placeholder-logo i {
    font-size: 28px;
}

.partner-logo span {
    font-size: 0.9rem;
    margin-top: auto;
    line-height: 1.3;
    font-weight: 600;
}

.partner-logo:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    background-color: var(--white);
}

/* 联系我们样式 */
.contact {
    padding: 60px 0 70px;
    background-color: var(--light-blue);
    position: relative;
    margin-top: -35px;
}

.contact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 60px;
    background: linear-gradient(to bottom, rgba(255, 255, 255, 0.8), rgba(238, 245, 252, 0));
}

.contact-content {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 50px;
    margin-top: 10px;
}

.contact-info {
    flex: 1;
    min-width: 320px;
}

.info-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 35px;
    background-color: var(--white);
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.info-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.info-item i {
    font-size: 1.8rem;
    color: var(--secondary-color);
    margin-right: 20px;
    margin-top: 5px;
}

.info-item h3 {
    font-size: 1.3rem;
    margin-bottom: 8px;
    color: var(--dark-blue);
}

.info-item p {
    margin-bottom: 0;
    color: var(--light-text);
}

.contact-form {
    flex: 1;
    min-width: 320px;
    background-color: var(--white);
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.08);
}

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    font-family: inherit;
    font-size: 1rem;
    transition: all 0.3s ease;
    color: var(--text-color);
    background-color: var(--light-gray);
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 3px rgba(30, 80, 162, 0.1);
    background-color: var(--white);
}

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

.contact-form .btn-primary {
    padding: 14px 30px;
    width: 100%;
    font-size: 1.1rem;
}

/* 页脚样式 */
footer {
    background: linear-gradient(135deg, var(--dark-blue) 0%, #061a38 100%);
    color: var(--white);
    padding: 80px 0 20px;
    position: relative;
}

footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: var(--secondary-color);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    margin-bottom: 60px;
    gap: 40px;
}

.footer-logo, 
.footer-links, 
.footer-services, 
.footer-contact {
    flex: 1;
    min-width: 220px;
}

.footer-logo-img {
    height: 60px;
    width: auto;
    object-fit: contain;
    margin-bottom: 15px;
    filter: brightness(1.1) contrast(0.9);
}

.footer-logo h2 {
    color: var(--white);
    font-size: 2rem;
    margin-bottom: 15px;
}

.footer-logo p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 1.05rem;
    line-height: 1.6;
}

.footer-links h3, 
.footer-services h3, 
.footer-contact h3 {
    color: var(--white);
    font-size: 1.3rem;
    margin-bottom: 25px;
    position: relative;
    padding-bottom: 12px;
}

.footer-links h3:after, 
.footer-services h3:after, 
.footer-contact h3:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background-color: var(--secondary-color);
}

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

.footer-links ul li, 
.footer-services ul li {
    margin-bottom: 12px;
}

.footer-links ul li a, 
.footer-services ul li a {
    color: rgba(255, 255, 255, 0.7);
    transition: all 0.3s ease;
    padding-left: 0;
    position: relative;
    display: inline-block;
}

.footer-links ul li a:before, 
.footer-services ul li a:before {
    content: '?';
    position: absolute;
    left: -10px;
    opacity: 0;
    transition: all 0.3s ease;
}

.footer-links ul li a:hover, 
.footer-services ul li a:hover {
    color: var(--secondary-color);
    padding-left: 15px;
}

.footer-links ul li a:hover:before, 
.footer-services ul li a:hover:before {
    opacity: 1;
    left: 0;
}

.footer-contact p {
    margin-bottom: 15px;
    color: rgba(255, 255, 255, 0.7);
    display: flex;
    align-items: center;
}

.footer-contact p i {
    margin-right: 12px;
    color: var(--secondary-color);
}

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

.footer-bottom p {
    margin: 0;
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.95rem;
}

/* 动画效果 */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease;
}

.animate-on-scroll.animated {
    opacity: 1;
    transform: translateY(0);
}

/* 响应式设计 */
@media (max-width: 992px) {
    .about-text, .about-image {
        flex: 100%;
    }
    
    .about-text {
        margin-bottom: 50px;
    }

    .contact-info, .contact-form {
        flex: 100%;
    }
    
    .contact-info {
        margin-bottom: 30px;
    }

    .partners {
        padding: 25px 10px 15px;
        margin-top: 35px;
    }
    
    .partners h3 {
        margin-bottom: 20px;
    }
    
    .partner-logos {
        grid-template-columns: repeat(4, 1fr);
        column-gap: 15px;
        row-gap: 20px;
        max-width: 700px;
    }
    
    .partner-logo {
        height: 135px;
        width: 135px;
    }
    
    .partner-logo-container {
        width: 100px;
        height: 70px;
    }
    
    .partner-logo img {
        max-width: 100px;
        max-height: 70px;
    }
    
    .placeholder-logo {
        width: 100px;
        height: 70px;
    }
    
    .placeholder-logo i {
        font-size: 28px;
    }

    .contact {
        padding: 55px 0 65px;
        margin-top: -30px;
    }
    
    .contact::before {
        height: 50px;
    }
}

@media (max-width: 768px) {
    header .container {
        padding: 15px 20px;
    }
    
    nav {
        position: fixed;
        top: 0;
        right: -300px;
        height: 100vh;
        width: 300px;
        background-color: var(--white);
        box-shadow: -2px 0 10px rgba(0, 0, 0, 0.1);
        transition: right 0.3s ease;
        z-index: 1001;
        padding: 80px 0 0 0;
    }

    nav.active {
        right: 0;
    }

    nav ul {
        flex-direction: column;
        padding: 0 0 0 30px;
    }

    nav ul li {
        margin: 0 0 20px 0;
    }
    
    nav ul li a {
        font-size: 1.1rem;
        display: block;
        padding: 8px 0;
    }

    .mobile-menu-btn {
        display: block;
        z-index: 1002;
    }

    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .hero-content p {
        font-size: 1.1rem;
    }

    .section-header h2 {
        font-size: 2rem;
    }
    
    .stat-item {
        min-width: 180px;
        padding: 15px;
    }
    
    .stat-item:not(:last-child):after {
        display: none;
    }
    
    .services, .about {
        padding: 80px 0;
    }
    
    .contact {
        padding: 50px 0 60px;
        margin-top: -25px;
    }
    
    .contact::before {
        height: 40px;
    }
    
    .partners {
        padding: 20px 10px 15px;
        margin-top: 30px;
    }
    
    .partners h3 {
        margin-bottom: 15px;
    }
    
    .partner-logos {
        grid-template-columns: repeat(3, 1fr);
        column-gap: 12px;
        row-gap: 18px;
        max-width: 480px;
    }
    
    .partner-logo {
        height: 125px;
        width: 125px;
        padding: 10px 5px;
    }
    
    .partner-logo-container {
        width: 90px;
        height: 65px;
        margin-bottom: 8px;
    }
    
    .partner-logo img {
        max-width: 90px;
        max-height: 65px;
    }
    
    .placeholder-logo {
        width: 90px;
        height: 65px;
    }
    
    .placeholder-logo i {
        font-size: 26px;
    }
    
    .partner-logo span {
        font-size: 0.85rem;
    }
}

@media (max-width: 576px) {
    .hero-content h1 {
        font-size: 2rem;
    }

    .hero-content p {
        font-size: 1rem;
    }

    .stat-container {
        flex-direction: column;
    }

    .stat-item {
        margin-bottom: 30px;
        padding: 10px;
    }
    
    .stat-info h3 {
        font-size: 2.3rem;
    }

    .section-header h2 {
        font-size: 1.8rem;
    }

    .about-text h2 {
        font-size: 2rem;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .info-item {
        padding: 20px;
    }
    
    .contact-form {
        padding: 30px 20px;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 30px;
    }
    
    .footer-logo, .footer-links, .footer-services, .footer-contact {
        text-align: center;
        min-width: 100%;
    }
    
    .footer-links h3:after, .footer-services h3:after, .footer-contact h3:after {
        left: 50%;
        transform: translateX(-50%);
    }
    
    .footer-contact p {
        justify-content: center;
    }

    .partners {
        padding: 15px 10px 10px;
        margin-top: 25px;
    }
    
    .partners h3 {
        margin-bottom: 12px;
    }
    
    .partner-logos {
        grid-template-columns: repeat(2, 1fr);
        column-gap: 15px;
        row-gap: 15px;
        max-width: 320px;
    }
    
    .partner-logo {
        height: 115px;
        width: 115px;
        padding: 8px 5px;
    }
    
    .partner-logo-container {
        width: 85px;
        height: 60px;
        margin-bottom: 6px;
    }
    
    .partner-logo img {
        max-width: 85px;
        max-height: 60px;
    }
    
    .placeholder-logo {
        width: 85px;
        height: 60px;
    }
    
    .placeholder-logo i {
        font-size: 24px;
    }
    
    .partner-logo span {
        font-size: 0.8rem;
    }

    .contact {
        padding: 45px 0 55px;
        margin-top: -20px;
    }
    
    .contact::before {
        height: 30px;
    }
} 