/* common.css - TCT Testing Website */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: #1a2b3c;
    line-height: 1.5;
    scroll-behavior: smooth;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 32px;
}

/* Typography */
h1, h2, h3 {
    font-weight: 700;
    letter-spacing: -0.02em;
}

h1 {
    font-size: 56px;
    line-height: 1.2;
    margin-bottom: 24px;
}

h2 {
    font-size: 40px;
    margin-bottom: 16px;
}

h3 {
    font-size: 24px;
    margin-bottom: 12px;
}

.section-subtitle {
    font-size: 18px;
    color: #5a6e8a;
    max-width: 700px;
    margin: 0 auto 48px;
    text-align: center;
}

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 32px;
    border-radius: 40px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    font-size: 16px;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: #0066b3;
    color: white;
    box-shadow: 0 4px 12px rgba(0,102,179,0.25);
}

.btn-primary:hover {
    background: #004d8c;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0,102,179,0.3);
}

.btn-outline {
    border: 2px solid #0066b3;
    color: #0066b3;
    background: transparent;
}

.btn-outline:hover {
    background: #0066b3;
    color: white;
}

.btn-outline-light {
    border: 2px solid white;
    color: white;
    background: transparent;
}

.btn-outline-light:hover {
    background: white;
    color: #0066b3;
}

.btn-white {
    background: white;
    color: #0066b3;
}

.btn-white:hover {
    background: #e8f0fe;
    transform: translateY(-2px);
}

.btn-sm {
    padding: 8px 20px;
    font-size: 14px;
}

/* Header / Navigation */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
    border-bottom: 1px solid #eef2f6;
}

.logo {
    font-size: 24px;
    font-weight: 800;
    text-decoration: none;
    color: #0066b3;
}

.logo span {
    color: #4ac7a2;
}

.nav-links {
    display: flex;
    gap: 32px;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: #1a2b3c;
    font-weight: 500;
    transition: color 0.2s;
}

.nav-links a:hover,
.nav-links a.active {
    color: #0066b3;
}

/* 导航栏右侧区域 */
.nav-right {
    display: flex;
    align-items: center;
    gap: 24px;
    margin-left: 32px;
}

/* 客服电话样式 */
.hotline {
    display: flex;
    align-items: center;
    gap: 10px;
    background: linear-gradient(135deg, #0066b3, #004d8c);
    padding: 8px 16px;
    border-radius: 50px;
    transition: all 0.3s ease;
    cursor: pointer;
}

.hotline:hover {
    background: linear-gradient(135deg, #004d8c, #003d6b);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,102,179,0.3);
}

.hotline i {
    font-size: 20px;
    color: #4ac7a2;
}

.hotline-info {
    display: flex;
    flex-direction: column;
    line-height: 1.3;
}

.hotline-label {
    font-size: 10px;
    color: rgba(255,255,255,0.7);
    letter-spacing: 0.5px;
}

.hotline-number {
    font-size: 14px;
    font-weight: 700;
    color: white;
    letter-spacing: 0.5px;
}

/* 语言切换样式 */
.language-switch {
    display: flex;
    align-items: center;
    gap: 8px;
    background: #f5f9fe;
    padding: 6px 12px;
    border-radius: 40px;
}

.lang-btn {
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
    color: #5a6e8a;
    transition: all 0.2s;
    padding: 4px 8px;
    border-radius: 30px;
}

.lang-btn.active {
    color: #0066b3;
    background: white;
}

.lang-btn:hover:not(.active) {
    color: #0066b3;
}

.lang-divider {
    color: #c0c8d4;
    font-size: 14px;
}

/* Page Header */
.page-header {
    background: linear-gradient(135deg, #f0f7ff 0%, #ffffff 100%);
    padding: 60px 0 40px;
    text-align: center;
}

/* Hero Section */
.hero {
    padding: 80px 0 100px;
    background: linear-gradient(135deg, #f0f7ff 0%, #ffffff 100%);
}

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

.hero-badge {
    display: inline-block;
    background: #e1f7ed;
    color: #0e6245;
    padding: 6px 14px;
    border-radius: 30px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 24px;
}

.hero-description {
    font-size: 18px;
    color: #4a5a72;
    margin-bottom: 32px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    gap: 32px;
    margin-top: 40px;
    flex-wrap: wrap;
}

.stat-item h4 {
    font-size: 32px;
    font-weight: 800;
    color: #0066b3;
}

.hero-visual {
    background: linear-gradient(135deg, #0066b3, #4ac7a2);
    border-radius: 32px;
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 80px;
}

/* Who We Are */
.who-we-are {
    padding: 80px 0;
    background: white;
}

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

.lead-text {
    font-size: 18px;
    margin-bottom: 24px;
    color: #1a2b3c;
}

.accreditation-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin: 32px 0;
}

.badge {
    background: #f5f9fe;
    padding: 8px 20px;
    border-radius: 40px;
    font-weight: 600;
    font-size: 14px;
    color: #0066b3;
}

.accreditation-card {
    background: #f0f4fa;
    border-radius: 24px;
    padding: 40px;
    text-align: center;
}

.accreditation-card i {
    font-size: 64px;
    color: #0066b3;
    margin-bottom: 20px;
}

/* Featured Partners */
.featured-partners {
    background: #f8fafd;
    padding: 80px 0;
    text-align: center;
}

.partners-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 48px;
    margin-top: 48px;
}

.partner-logo {
    font-size: 20px;
    font-weight: 700;
    color: #7a8e9f;
    letter-spacing: 1px;
    transition: color 0.3s;
}

.partner-logo:hover {
    color: #0066b3;
}

/* Why Choose Cards */
.why-choose {
    padding: 80px 0;
    background: white;
}

.section-header {
    text-align: center;
    margin-bottom: 48px;
}

.cards-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.card {
    background: white;
    border-radius: 24px;
    padding: 32px;
    box-shadow: 0 8px 30px rgba(0,0,0,0.05);
    border: 1px solid #eef2f6;
    transition: all 0.3s;
    text-align: center;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 35px rgba(0,102,179,0.1);
    border-color: #4ac7a2;
}

.card-icon {
    width: 70px;
    height: 70px;
    background: #e8f0fe;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
}

.card-icon i {
    font-size: 32px;
    color: #0066b3;
}

.card p {
    color: #5a6e8a;
    line-height: 1.6;
}

/* Testimonial */
.testimonial {
    background: #0066b3;
    color: white;
    padding: 80px 0;
    text-align: center;
}

.testimonial-quote {
    max-width: 800px;
    margin: 0 auto;
}

.testimonial-quote i {
    font-size: 48px;
    opacity: 0.4;
    margin-bottom: 24px;
}

.testimonial-quote p {
    font-size: 24px;
    line-height: 1.4;
    font-weight: 500;
    margin-bottom: 24px;
}

.testimonial-author {
    font-weight: 600;
    margin-top: 16px;
}

/* CTA Section */
.cta-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #1a2b3c, #0f1a24);
    color: white;
    text-align: center;
}

.cta-description {
    font-size: 18px;
    margin-bottom: 16px;
}

.cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-top: 32px;
    flex-wrap: wrap;
}

.btn-cta {
    background: #4ac7a2;
    color: #1a2b3c;
}

.btn-cta:hover {
    background: #3bb590;
}

/* About Page Stats */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin: 48px 0;
    text-align: center;
}

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

.stat-number {
    font-size: 42px;
    font-weight: 800;
    color: #0066b3;
}

.stat-label {
    color: #5a6e8a;
}

.about-visual {
    background: linear-gradient(135deg, #0066b3, #4ac7a2);
    border-radius: 24px;
    height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 60px;
}

/* Accreditations */
.accreditations-section {
    background: #f8fafd;
    padding: 60px 0;
}

.accreditation-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.accred-item {
    background: white;
    border-radius: 20px;
    padding: 24px;
    text-align: center;
    border: 1px solid #eef2f6;
}

.accred-item i {
    font-size: 40px;
    color: #0066b3;
    margin-bottom: 16px;
}

.accred-item h4 {
    margin-bottom: 8px;
}

.accred-item p {
    font-size: 14px;
    color: #5a6e8a;
}

/* Timeline */
.journey-section {
    padding: 60px 0;
}

.milestone-timeline {
    display: flex;
    flex-direction: column;
    gap: 24px;
    max-width: 800px;
    margin: 40px auto 0;
}

.milestone {
    display: flex;
    gap: 24px;
    padding: 20px;
    border-left: 3px solid #4ac7a2;
    background: #f8fafd;
    border-radius: 0 20px 20px 0;
}

.milestone-year {
    font-size: 24px;
    font-weight: 800;
    color: #0066b3;
    min-width: 100px;
}

.milestone-content p {
    color: #5a6e8a;
    margin-top: 4px;
}

/* Join Team CTA */
.join-team-cta {
    background: #0066b3;
    color: white;
    padding: 60px 0;
    text-align: center;
}

.join-team-cta p {
    margin-bottom: 24px;
}

/* Services Page */
.service-categories {
    padding: 40px 0;
    background: white;
    border-bottom: 1px solid #eef2f6;
}

.category-tabs {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

.category-btn {
    padding: 10px 24px;
    border-radius: 40px;
    background: #f5f9fe;
    border: none;
    font-weight: 600;
    font-size: 15px;
    cursor: pointer;
    transition: all 0.3s;
    color: #1a2b3c;
}

.category-btn.active,
.category-btn:hover {
    background: #0066b3;
    color: white;
}

.services-section {
    padding: 60px 0;
    background: white;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.service-card {
    background: white;
    border-radius: 24px;
    padding: 32px;
    border: 1px solid #eef2f6;
    transition: all 0.3s;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 35px rgba(0,102,179,0.08);
    border-color: #4ac7a2;
}

.service-icon {
    width: 60px;
    height: 60px;
    background: #e8f0fe;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}

.service-icon i {
    font-size: 28px;
    color: #0066b3;
}

.service-card p {
    color: #5a6e8a;
    margin: 16px 0;
    line-height: 1.6;
}

.service-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 16px 0;
}

.service-tag {
    background: #f5f9fe;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    color: #0066b3;
}

/* Certifications */
.cert-section {
    background: #f8fafd;
    padding: 60px 0;
}

.cert-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.cert-item {
    background: white;
    border-radius: 16px;
    padding: 24px;
    text-align: center;
    border: 1px solid #eef2f6;
}

.cert-item i {
    font-size: 40px;
    color: #0066b3;
    margin-bottom: 16px;
}

.cert-item h4 {
    font-size: 18px;
    margin-bottom: 8px;
}

.cert-item p {
    font-size: 13px;
    color: #5a6e8a;
}

/* Contact Page */
.contact-section {
    padding: 60px 0;
}

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

.info-card {
    background: #f8fafd;
    border-radius: 24px;
    padding: 32px;
    margin-bottom: 24px;
}

.info-icon {
    width: 50px;
    height: 50px;
    background: #e8f0fe;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.info-icon i {
    font-size: 24px;
    color: #0066b3;
}

.office-hours {
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid #eef2f6;
}

.contact-form-container {
    background: white;
    border-radius: 24px;
    padding: 32px;
    box-shadow: 0 8px 30px rgba(0,0,0,0.05);
}

.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid #eef2f6;
    border-radius: 12px;
    font-family: inherit;
    transition: all 0.3s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #0066b3;
}

.map-placeholder {
    background: #e8f0fe;
    border-radius: 24px;
    height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 40px;
    text-align: center;
}

/* Resources Page */
.resource-tabs {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin: 40px 0;
    flex-wrap: wrap;
}

.tab-btn {
    padding: 10px 24px;
    border-radius: 40px;
    background: #f5f9fe;
    border: none;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.tab-btn.active,
.tab-btn:hover {
    background: #0066b3;
    color: white;
}

.resources-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    margin-top: 20px;
}

.resource-card {
    background: white;
    border-radius: 20px;
    padding: 24px;
    border: 1px solid #eef2f6;
    transition: all 0.3s;
}

.resource-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 35px rgba(0,0,0,0.05);
    border-color: #4ac7a2;
}

.resource-icon {
    width: 50px;
    height: 50px;
    background: #e8f0fe;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.resource-icon i {
    font-size: 24px;
    color: #0066b3;
}

.resource-meta {
    display: flex;
    gap: 16px;
    margin: 16px 0;
    font-size: 13px;
    color: #7a8e9f;
}

/* FAQ Section */
.faq-section {
    background: #f8fafd;
    padding: 60px 0;
    margin-top: 60px;
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
    max-width: 1000px;
    margin: 0 auto;
}

.faq-item {
    border-bottom: 1px solid #eef2f6;
    padding: 20px 0;
}

.faq-question {
    font-weight: 700;
    font-size: 18px;
    display: flex;
    justify-content: space-between;
    cursor: pointer;
}

.faq-answer {
    margin-top: 12px;
    color: #5a6e8a;
    display: none;
}

.faq-answer.show {
    display: block;
}

/* Footer */
.footer {
    background: #1a2b3c;
    color: #a0b8cc;
    padding: 60px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-col h4 {
    color: white;
    margin-bottom: 20px;
    font-size: 18px;
}

.footer-col a {
    display: block;
    color: #a0b8cc;
    text-decoration: none;
    margin-bottom: 12px;
    transition: color 0.2s;
}

.footer-col a:hover {
    color: #4ac7a2;
}

.copyright {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255,255,255,0.1);
    font-size: 14px;
}

/* ============================================
   移动端汉堡菜单样式
   ============================================ */

/* 移动端菜单按钮 - 默认隐藏（桌面端） */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 22px;
    cursor: pointer;
    z-index: 1001;
}

.mobile-menu-btn span {
    display: block;
    width: 100%;
    height: 3px;
    background-color: #1a2b3c;
    border-radius: 3px;
    transition: all 0.3s ease;
}

/* 汉堡菜单动画 - 打开状态 */
.mobile-menu-btn.active span:nth-child(1) {
    transform: translateY(9.5px) rotate(45deg);
}

.mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
    transform: translateY(-9.5px) rotate(-45deg);
}

/* 移动端侧边栏 */
.mobile-sidebar {
    position: fixed;
    top: 0;
    right: -100%;
    width: 85%;
    max-width: 320px;
    height: 100%;
    background: white;
    z-index: 1002;
    transition: right 0.3s ease;
    box-shadow: -5px 0 30px rgba(0,0,0,0.1);
    overflow-y: auto;
}

.mobile-sidebar.open {
    right: 0;
}

/* 侧边栏头部 */
.sidebar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    border-bottom: 1px solid #eef2f6;
    background: white;
}

.sidebar-logo {
    font-size: 22px;
    font-weight: 800;
    text-decoration: none;
    color: #0066b3;
}

.sidebar-logo span {
    color: #4ac7a2;
}

.sidebar-close {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: #f5f9fe;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: #5a6e8a;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.sidebar-close:hover {
    background: #e8f0fe;
    color: #0066b3;
}

/* 侧边栏导航链接 */
.sidebar-nav {
    padding: 20px;
}

.sidebar-link {
    display: block;
    padding: 14px 0;
    font-size: 18px;
    font-weight: 500;
    text-decoration: none;
    color: #1a2b3c;
    border-bottom: 1px solid #eef2f6;
    transition: all 0.2s;
}

.sidebar-link:hover,
.sidebar-link.active {
    color: #0066b3;
    padding-left: 8px;
}

.sidebar-divider {
    height: 1px;
    background: #eef2f6;
    margin: 15px 0;
}

/* 侧边栏客服电话 */
.sidebar-hotline {
    display: flex;
    align-items: center;
    gap: 12px;
    background: linear-gradient(135deg, #0066b3, #004d8c);
    padding: 15px;
    border-radius: 16px;
    margin: 15px 0;
    cursor: pointer;
    transition: all 0.2s;
}

.sidebar-hotline:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,102,179,0.3);
}

.sidebar-hotline i {
    font-size: 24px;
    color: #4ac7a2;
}

.sidebar-hotline-label {
    font-size: 12px;
    color: rgba(255,255,255,0.7);
}

.sidebar-hotline-number {
    font-size: 16px;
    font-weight: 700;
    color: white;
}

/* 侧边栏语言切换 */
.sidebar-language {
    margin-top: 20px;
    padding-top: 10px;
}

.sidebar-lang-title {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: #5a6e8a;
    margin-bottom: 12px;
}

.sidebar-lang-buttons {
    display: flex;
    gap: 12px;
}

.sidebar-lang-btn {
    flex: 1;
    text-align: center;
    padding: 10px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
    background: #f5f9fe;
    color: #5a6e8a;
    transition: all 0.2s;
}

.sidebar-lang-btn.active {
    background: #0066b3;
    color: white;
}

.sidebar-lang-btn:hover:not(.active) {
    background: #e8f0fe;
    color: #0066b3;
}

/* 移动端遮罩层 */
.mobile-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    z-index: 1001;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.mobile-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* 防止 body 滚动 */
body.menu-open {
    overflow: hidden;
}

/* ============================================
   移动端响应式适配
   ============================================ */

@media (max-width: 1200px) {
    .services-grid,
    .cards-grid,
    .resources-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .hotline-number {
        font-size: 12px;
    }
    
    .hotline {
        padding: 6px 12px;
    }
}

@media (max-width: 992px) {
    .container {
        padding: 0 24px;
    }
    h1 {
        font-size: 42px;
    }
    h2 {
        font-size: 32px;
    }
    .hero-grid,
    .two-col,
    .contact-grid {
        grid-template-columns: 1fr;
    }
    .stats-grid,
    .accreditation-grid,
    .cert-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .faq-grid {
        grid-template-columns: 1fr;
    }
    
    /* 隐藏桌面端导航和右侧区域 */
    .nav-links,
    .nav-right {
        display: none;
    }
    
    /* 显示移动端菜单按钮 */
    .mobile-menu-btn {
        display: flex;
    }
    
    /* 调整导航栏内边距 */
    .navbar {
        padding: 15px 0;
    }
    
    .logo {
        font-size: 20px;
    }
}

@media (max-width: 768px) {
    h1 {
        font-size: 36px;
    }
    .services-grid,
    .cards-grid,
    .resources-grid {
        grid-template-columns: 1fr;
    }
    .stats-grid,
    .accreditation-grid,
    .cert-grid {
        grid-template-columns: 1fr;
    }
    .milestone {
        flex-direction: column;
    }
    .hero-stats {
        flex-direction: column;
        gap: 16px;
    }
    .hero-visual {
        height: 250px;
        font-size: 50px;
    }
}

@media (max-width: 480px) {
    .mobile-sidebar {
        width: 85%;
        max-width: 300px;
    }
    
    .sidebar-link {
        font-size: 16px;
        padding: 12px 0;
    }
    
    .sidebar-hotline-number {
        font-size: 14px;
    }
    
    .sidebar-lang-btn {
        padding: 8px;
        font-size: 13px;
    }
}

/* 触摸优化 - 增加点击区域 */
@media (max-width: 992px) {
    .sidebar-link {
        padding: 15px 0;
    }
    
    .sidebar-close {
        width: 44px;
        height: 44px;
    }
    
    .mobile-menu-btn {
        width: 32px;
        height: 24px;
    }
}