/* ========================================
   超奕全球 - 企业出海服务网站样式
   ======================================== */

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

/* 语言切换器 */
.language-switcher {
    position: relative;
    z-index: 1001;
}

.lang-dropdown {
    position: relative;
    display: inline-block;
}

.lang-btn-main {
    padding: 6px 14px;
    border: none;
    background: rgba(30, 58, 138, 0.08);
    color: var(--primary-color);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    border-radius: 20px;
    transition: all 0.3s ease;
    font-family: inherit;
    display: flex;
    align-items: center;
    gap: 6px;
}

.lang-btn-main:hover {
    background: var(--primary-color);
    color: var(--white);
}

.lang-btn-main::after {
    content: '▼';
    font-size: 9px;
    transition: transform 0.3s ease;
    margin-left: 2px;
}

.lang-dropdown.open .lang-btn-main::after {
    transform: rotate(180deg);
}

.lang-dropdown.open .lang-btn-main {
    background: var(--primary-color);
    color: var(--white);
}

.lang-dropdown-menu {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    background: var(--white);
    border-radius: 10px;
    padding: 6px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.12);
    display: none;
    min-width: 110px;
    animation: dropdownFadeIn 0.2s ease;
    z-index: 1002;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

@keyframes dropdownFadeIn {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.lang-dropdown.open .lang-dropdown-menu {
    display: block;
}

.lang-btn {
    display: block;
    width: 100%;
    padding: 8px 14px;
    border: none;
    background: transparent;
    color: var(--text-color);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    border-radius: 6px;
    transition: all 0.2s ease;
    font-family: inherit;
    text-align: left;
}

.lang-btn:hover {
    color: var(--primary-color);
    background: rgba(30, 58, 138, 0.05);
}

.lang-btn.active {
    background: var(--primary-color);
    color: white;
}

:root {
    --primary-color: #1e3a8a;
    --secondary-color: #3b82f6;
    --accent-color: #f59e0b;
    --text-color: #1f2937;
    --text-light: #6b7280;
    --bg-light: #f3f4f6;
    --white: #ffffff;
    --gradient-primary: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 100%);
    --gradient-accent: linear-gradient(135deg, #f59e0b 0%, #f97316 100%);
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0,  0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--white);
}

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

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 50px;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    border: none;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--white);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: transparent;
    color: var(--white);
    border: 2px solid var(--white);
}

.btn-secondary:hover {
    background: var(--white);
    color: var(--primary-color);
}

.btn-block {
    width: 100%;
}

/* ========================================
   导航栏
   ======================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    padding: 12px 0;
    transition: var(--transition);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 14px;
}

.logo-img {
    height: 48px;
    width: 48px;
    border-radius: 50%;
    object-fit: cover;
}

.logo-text {
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.logo-text h1 {
    font-size: 24px;
    color: var(--primary-color);
    margin: 0;
    font-weight: 700;
    letter-spacing: 1px;
}

.logo .slogan {
    font-size: 12px;
    color: var(--text-light);
    margin: 0;
    font-weight: 500;
    letter-spacing: 2px;
}

.footer-logo {
    height: 36px;
    width: 36px;
    border-radius: 50%;
    vertical-align: middle;
    margin-right: 10px;
    object-fit: cover;
}

/* 移除重复的定义 */
/*
.logo h1 {
    font-size: 24px;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo .slogan {
    font-size: 12px;
    color: var(--text-light);
    margin-left: 10px;
    font-weight: 400;
}
*/

.nav-menu {
    display: flex;
    list-style: none;
    gap: 25px;
    align-items: center;
}

.nav-menu a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    font-size: 15px;
    padding: 8px 0;
    position: relative;
    transition: var(--transition);
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: var(--transition);
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--primary-color);
}

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

.nav-lang {
    margin-left: 15px;
    padding-left: 15px;
    border-left: 1px solid var(--bg-light);
}

.nav-toggle {
    display: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--primary-color);
}

/* ========================================
   首页横幅
   ======================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: var(--gradient-primary);
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="%23ffffff" fill-opacity="0.05" d="M0,96L48,112C96,128,192,160,288,186.7C384,213,480,235,576,213.3C672,192,768,128,864,128C960,128,1056,192,1152,208C1248,224,1344,192,1392,176L1440,160L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>') no-repeat bottom center;
    background-size: cover;
    opacity: 0.3;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    color: var(--white);
    padding: 100px 20px;
}

.hero-title {
    font-size: 56px;
    font-weight: 700;
    margin-bottom: 20px;
    animation: fadeInUp 1s ease;
}

.hero-subtitle {
    font-size: 20px;
    margin-bottom: 20px;
    opacity: 0.95;
    animation: fadeInUp 1s ease 0.2s both;
}

.hero-desc {
    font-size: 18px;
    max-width: 600px;
    margin: 0 auto 40px;
    opacity: 0.9;
    animation: fadeInUp 1s ease 0.4s both;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-bottom: 60px;
    animation: fadeInUp 1s ease 0.6s both;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    max-width: 800px;
    margin: 0 auto;
    animation: fadeInUp 1s ease 0.8s both;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 5px;
}

.stat-label {
    font-size: 14px;
    opacity: 0.9;
}

/* ========================================
   关于我们
   ======================================== */
.about {
    padding: 100px 0;
    background: var(--bg-light);
}

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

.section-header h2 {
    font-size: 36px;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.section-header p {
    font-size: 18px;
    color: var(--text-light);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-text h3 {
    font-size: 28px;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.about-text p {
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 20px;
    color: var(--text-light);
}

.about-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin-top: 40px;
}

.feature-item {
    text-align: center;
    padding: 30px;
    background: var(--white);
    border-radius: 15px;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.feature-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.feature-item i {
    font-size: 40px;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.feature-item h4 {
    font-size: 18px;
    margin-bottom: 10px;
    color: var(--text-color);
}

.feature-item p {
    font-size: 14px;
    color: var(--text-light);
    margin: 0;
}

.about-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.image-placeholder {
    width: 100%;
    height: 400px;
    background: linear-gradient(135deg, #e0f2fe 0%, #bae6fd 50%, #7dd3fc 100%);
    border-radius: 15px;
    box-shadow: var(--shadow-lg);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color: var(--text-light);
    position: relative;
    overflow: hidden;
}

.image-placeholder.shanghai-landmark {
    background: linear-gradient(135deg, #dbeafe 0%, #bfdbfe 50%, #93c5fd 100%);
}

.landmark-icon {
    display: flex;
    gap: 30px;
    margin-bottom: 20px;
}

.landmark-icon i {
    font-size: 80px;
    color: var(--primary-color);
    opacity: 0.8;
}

.landmark-icon i:first-child {
    color: #1e40af;
}

.landmark-icon i:last-child {
    color: #3b82f6;
}

.landmark-note {
    font-size: 12px;
    color: var(--primary-color);
    opacity: 0.6;
    margin-top: 10px;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.image-placeholder i {
    font-size: 80px;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.image-placeholder p {
    font-size: 18px;
    margin: 5px 0;
}

.address {
    font-size: 14px;
    color: var(--text-light);
}

/* ========================================
   服务项目
   ======================================== */
.services {
    padding: 100px 0;
}

/* 服务类型切换标签 */
.service-tabs {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 50px;
}

.tab-btn {
    padding: 15px 40px;
    border: 2px solid var(--primary-color);
    background: transparent;
    color: var(--primary-color);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    border-radius: 50px;
    transition: all 0.3s ease;
    font-family: inherit;
    display: flex;
    align-items: center;
    gap: 10px;
}

.tab-btn i {
    font-size: 18px;
}

.tab-btn:hover {
    background: rgba(30, 58, 138, 0.05);
}

.tab-btn.active {
    background: var(--gradient-primary);
    color: var(--white);
    border-color: transparent;
    box-shadow: var(--shadow-md);
}

/* 服务内容区域 */
.service-content {
    display: none;
    animation: fadeInUp 0.5s ease;
}

.service-content.active {
    display: block;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.service-card {
    background: var(--white);
    border-radius: 15px;
    padding: 40px 30px;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 25px;
}

.service-icon i {
    font-size: 35px;
    color: var(--white);
}

.service-card h3 {
    font-size: 22px;
    color: var(--text-color);
    margin-bottom: 15px;
}

.service-card p {
    font-size: 15px;
    color: var(--text-light);
    margin-bottom: 20px;
    line-height: 1.7;
}

.service-list {
    list-style: none;
}

.service-list li {
    font-size: 14px;
    color: var(--text-light);
    padding: 8px 0;
    border-bottom: 1px solid var(--bg-light);
    display: flex;
    align-items: center;
    gap: 10px;
}

.service-list li:last-child {
    border-bottom: none;
}

.service-list i {
    color: var(--secondary-color);
}

/* ========================================
   服务地区
   ======================================== */
.regions {
    padding: 100px 0;
    background: var(--bg-light);
}

.regions-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
    margin-bottom: 50px;
}

.region-card {
    background: var(--white);
    border-radius: 15px;
    padding: 30px 20px;
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.region-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.region-flag {
    font-size: 50px;
    margin-bottom: 15px;
}

.region-card h3 {
    font-size: 20px;
    color: var(--text-color);
    margin-bottom: 10px;
}

.region-card p {
    font-size: 14px;
    color: var(--text-light);
    margin-bottom: 15px;
}

.region-tag {
    display: inline-block;
    padding: 5px 15px;
    background: var(--bg-light);
    border-radius: 20px;
    font-size: 12px;
    color: var(--text-light);
}

.region-tag.hot {
    background: var(--gradient-accent);
    color: var(--white);
}

.regions-cta {
    text-align: center;
}

.regions-cta p {
    font-size: 18px;
    color: var(--text-light);
    margin-bottom: 20px;
}

/* ========================================
   服务流程
   ======================================== */
.process {
    padding: 100px 0;
}

.process-timeline {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
}

.process-timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--bg-light);
    transform: translateX(-50%);
}

.process-step {
    display: flex;
    align-items: center;
    margin-bottom: 50px;
    position: relative;
}

.process-step:nth-child(odd) {
    flex-direction: row-reverse;
}

.process-step:nth-child(odd) .step-content {
    text-align: right;
    padding-right: 60px;
    padding-left: 0;
}

.process-step:nth-child(even) .step-content {
    padding-left: 60px;
}

.step-number {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    color: var(--white);
    font-size: 24px;
    font-weight: 700;
    z-index: 1;
}

.step-content {
    flex: 1;
}

.step-content h3 {
    font-size: 22px;
    color: var(--text-color);
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.process-step:nth-child(odd) .step-content h3 {
    justify-content: flex-end;
}

.step-content h3 i {
    color: var(--primary-color);
}

.step-content p {
    font-size: 15px;
    color: var(--text-light);
    line-height: 1.7;
}

/* ========================================
   优势
   ======================================== */
.advantages {
    padding: 100px 0;
    background: var(--bg-light);
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 60px;
}

.advantage-card {
    background: var(--white);
    border-radius: 15px;
    padding: 40px 30px;
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.advantage-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.advantage-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 auto 25px;
}

.advantage-icon i {
    font-size: 35px;
    color: var(--white);
}

.advantage-card h3 {
    font-size: 22px;
    color: var(--text-color);
    margin-bottom: 15px;
}

.advantage-card p {
    font-size: 15px;
    color: var(--text-light);
    line-height: 1.7;
}

.advantages-partners {
    text-align: center;
    background: var(--white);
    border-radius: 15px;
    padding: 40px;
    box-shadow: var(--shadow-md);
}

.advantages-partners h3 {
    font-size: 24px;
    color: var(--text-color);
    margin-bottom: 10px;
}

.advantages-partners p {
    font-size: 16px;
    color: var(--text-light);
    margin-bottom: 30px;
}

.partners-logos {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
}

.partner-item {
    padding: 15px 30px;
    background: var(--bg-light);
    border-radius: 10px;
    font-size: 16px;
    color: var(--text-color);
    font-weight: 500;
}

/* ========================================
   联系我们
   ======================================== */
.contact {
    padding: 100px 0;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-info h3,
.contact-form h3 {
    font-size: 28px;
    color: var(--primary-color);
    margin-bottom: 30px;
}

.contact-item {
    display: flex;
    gap: 20px;
    margin-bottom: 25px;
    padding: 20px;
    background: var(--bg-light);
    border-radius: 10px;
    transition: var(--transition);
}

.contact-item:hover {
    background: var(--white);
    box-shadow: var(--shadow-md);
}

.contact-item i {
    font-size: 24px;
    color: var(--primary-color);
    width: 30px;
}

.contact-item h4 {
    font-size: 16px;
    color: var(--text-color);
    margin-bottom: 5px;
}

.contact-item p {
    font-size: 15px;
    color: var(--text-light);
    margin: 0;
}

.contact-qrcode {
    margin-top: 30px;
    text-align: center;
}

.qr-placeholder {
    width: 150px;
    height: 150px;
    background: var(--bg-light);
    border-radius: 15px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    margin: 0 auto;
    color: var(--text-light);
}

.qr-placeholder i {
    font-size: 50px;
    margin-bottom: 10px;
    color: var(--primary-color);
}

.qr-placeholder p {
    font-size: 14px;
}

.contact-form {
    background: var(--bg-light);
    padding: 40px;
    border-radius: 15px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 15px;
    font-weight: 500;
    color: var(--text-color);
    margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    font-size: 15px;
    font-family: inherit;
    transition: var(--transition);
    background: var(--white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(30, 58, 138, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

/* ========================================
   页脚
   ======================================== */
.footer {
    background: var(--gradient-primary);
    color: var(--white);
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h3 {
    font-size: 24px;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-section h4 {
    font-size: 18px;
    margin-bottom: 20px;
}

.footer-section p {
    font-size: 14px;
    opacity: 0.9;
    margin-bottom: 10px;
    line-height: 1.7;
}

.footer-desc {
    margin-top: 15px;
    opacity: 0.8;
}

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

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

.footer-section ul li a {
    color: var(--white);
    text-decoration: none;
    font-size: 14px;
    opacity: 0.9;
    transition: var(--transition);
}

.footer-section ul li a:hover {
    opacity: 1;
    padding-left: 5px;
}

.footer-contact li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
}

.footer-contact i {
    width: 20px;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.footer-bottom p {
    font-size: 14px;
    opacity: 0.8;
    margin: 5px 0;
}

/* ========================================
   回到顶部
   ======================================== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    text-decoration: none;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-5px);
}

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

/* ========================================
   响应式设计
   ======================================== */
@media (max-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .regions-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: 20px;
        gap: 0;
        box-shadow: var(--shadow-lg);
        display: none;
    }

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

    .nav-menu li {
        padding: 15px 0;
        border-bottom: 1px solid var(--bg-light);
    }

    .nav-lang {
        margin-left: 0;
        padding: 15px 0;
        border-bottom: 1px solid var(--bg-light);
    }

    .service-tabs {
        flex-direction: column;
        gap: 10px;
    }
    
    .tab-btn {
        padding: 12px 30px;
        font-size: 14px;
    }
    
    .language-switcher {
        position: relative;
    }
    
    .lang-btn-main {
        padding: 8px 14px;
        font-size: 13px;
    }
    
    .lang-dropdown-menu {
        min-width: 100px;
    }
    
    .lang-btn {
        padding: 8px 12px;
        font-size: 13px;
    }
    
    .nav-toggle {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: 20px;
        gap: 0;
        box-shadow: var(--shadow-lg);
        display: none;
    }

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

    .nav-menu li {
        padding: 15px 0;
        border-bottom: 1px solid var(--bg-light);
    }

    .nav-toggle {
        display: block;
    }

    .hero-title {
        font-size: 36px;
    }

    .hero-subtitle {
        font-size: 16px;
    }

    .hero-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

    .stat-number {
        font-size: 32px;
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .about-features {
        grid-template-columns: 1fr;
    }

    .services-grid {
        grid-template-columns: 1fr;
    }

    .regions-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .process-timeline::before {
        left: 30px;
    }

    .process-step,
    .process-step:nth-child(odd) {
        flex-direction: row;
    }

    .step-number {
        left: 30px;
        width: 50px;
        height: 50px;
        font-size: 18px;
    }

    .step-content,
    .process-step:nth-child(odd) .step-content {
        padding-left: 80px;
        padding-right: 0;
        text-align: left;
    }

    .process-step:nth-child(odd) .step-content h3 {
        justify-content: flex-start;
    }

    .advantages-grid {
        grid-template-columns: 1fr;
    }

    .contact-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 100%;
        max-width: 250px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 28px;
    }

    .section-header h2 {
        font-size: 28px;
    }

    .regions-grid {
        grid-template-columns: 1fr;
    }

    .partners-logos {
        flex-direction: column;
    }

    .partner-item {
        width: 100%;
    }
}