/* Global Styles */
:root {
    --primary-color: #0047AB; /* Deeper blue like intelliglam.com */
    --primary-dark: #00308F; /* Darker blue for hover states */
    --secondary-color: #f8f8f8;
    --dark-color: #1A1A1A; /* Slightly deeper black */
    --light-color: #fff;
    --grey-color: #666;
    --light-grey: #f9f9f9;
    --accent-color: #007FFF; /* Light blue accent color */
    --font-main: 'Roboto', sans-serif;
    --font-chinese: 'Noto Sans SC', sans-serif;
    --transition: all 0.3s ease;
}

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

body {
    font-family: var(--font-main);
    font-size: 16px;
    line-height: 1.6;
    color: var(--dark-color);
    overflow-x: hidden;
}

body.zh {
    font-family: var(--font-chinese);
}

.loose {
    letter-spacing: 0.1em !important;
}

.looser {
    letter-spacing: 0.2em !important;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
    width: 100%;
}

img {
    max-width: 100%;
    height: auto;
}

a {
    text-decoration: none;
    color: var(--primary-color);
    transition: var(--transition);
}

a:hover {
    color: var(--primary-dark);
}

ul {
    list-style: none;
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 15px;
    position: relative;
}

.section-subtitle {
    font-size: 1.1rem;
    text-align: center;
    color: var(--grey-color);
    margin-bottom: 50px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.btn {
    display: inline-block;
    padding: 14px 32px;
    border-radius: 4px; /* More squared corners like intelliglam.com */
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: var(--transition);
    font-size: 0.9rem;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background-color: var(--primary-color);
    color: var(--light-color);
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    color: var(--light-color);
}

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

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

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

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

/* Header Styles */
header {
    background-color: var(--dark-color); /* Dark header like intelliglam.com */
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.15);
    position: sticky;
    top: 0;
    width: 100%;
    z-index: 1000;
    padding: 20px 0;
}

header .container {
    display: flex;
    align-items: center;
    justify-content: flex-start; /* Changed from space-between for better layout */
    max-width: 1280px; /* slightly wider container */
}

.logo {
    margin-right: 50px; /* Add space between logo and nav */
}

.logo img {
    height: 50px;
}

.logo a {
    display: flex;
    align-items: flex-start;
    text-align: left;
    align-items: end;
    gap: 10px;
}

.logo-subtitle {
    color: #c5c5c5;
    font-size: 20px;
    letter-spacing: 0.5px;
    font-weight: 200;
    line-height: 1;
}

nav {
    flex-grow: 1; /* Let nav take available space */
    display: flex;
    justify-content: center; /* Center the navigation */
}

nav ul {
    display: flex;
}

nav ul li {
    margin-left: 20px;
}

nav ul li a {
    color: var(--light-color); /* Light text for dark header */
    font-weight: 500;
    padding: 8px 16px;
    position: relative;
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 0.5px;
    border-radius: 4px;
    transition: all 0.3s ease;
}

nav ul li a:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

nav ul li a.active {
    color: var(--light-color);
    background-color: var(--primary-color);
}

.mobile-menu-btn {
    display: none;
    cursor: pointer;
    background-color: var(--primary-color);
    border-radius: 4px;
    padding: 10px 12px;
    z-index: 100;
}

.language-selector {
    margin-left: 20px;
    margin-right: 0; /* Reset right margin */
    display: flex;
    align-items: center;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    overflow: hidden;
}

@media (max-width: 768px) {
    header .container {
        justify-content: space-between; /* Space between logo and menu */
    }

    nav {
        flex-grow: unset; /* Reset flex-grow for nav */
    }

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

.language-selector a {
    font-size: 0.8rem;
    color: var(--light-color);
    padding: 8px 12px;
    opacity: 0.9;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.language-selector a.active {
    background-color: var(--primary-color);
    color: var(--light-color);
}

/* Hero Section - wp-block-cover style */
.hero.wp-block-cover {
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.8), rgba(0, 0, 0, 0.85)), url('/assets/img/hero_bg.jpg') no-repeat center/cover;
    color: var(--light-color);
    padding: 140px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.wp-block-cover__inner-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
    width: 100%;
    position: relative;
    z-index: 2;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 3.2rem;
    margin-bottom: 20px;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: 30px;
    font-weight: 300;
    opacity: 0.9;
}

.feature-points {
    display: flex;
    justify-content: center;
    margin: 30px 0;
    flex-wrap: wrap;
    gap: 20px;
}

.feature-point {
    display: flex;
    align-items: center;
    margin: 0 15px;
    font-weight: 500;
}

.feature-icon {
    color: var(--primary-color);
    margin-right: 8px;
    font-size: 1.1rem;
}

.feature-text {
    font-size: 1.1rem;
}

.hero-btns {
    display: flex;
    justify-content: center;
    margin-top: 40px;
}

.hero-btns .btn-primary {
    padding: 16px 40px;
    font-size: 1rem;
}

.btn-outline {
    background-color: transparent;
    color: var(--light-color);
    border: 2px solid var(--light-color);
    padding: 14px 32px;
    border-radius: 4px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: var(--transition);
    font-size: 0.9rem;
    cursor: pointer;
}

.btn-outline:hover {
    background-color: var(--light-color);
    color: var(--dark-color);
}

/* Media Queries for wp-block-cover */
@media (max-width: 768px) {
    .hero.wp-block-cover {
        padding: 100px 0;
    }
    
    .hero h1 {
        font-size: 2.2rem;
    }
    
    .feature-points {
        flex-direction: column;
        align-items: center;
        gap: 15px;
    }
    
    .feature-point {
        margin: 0;
    }
    
    .hero-btns .btn-primary {
        width: 80%;
        max-width: 280px;
    }
}

/* Services Overview Section */
.services-overview {
    padding: 100px 0;
    background-color: var(--light-color);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 30px;
}

.service-card {
    background-color: var(--light-color);
    border-radius: 5px;
    overflow: hidden;
    box-shadow: 0 5px 25px rgba(0, 0, 0, 0.08);
    transition: var(--transition);
    border: 1px solid rgba(0, 0, 0, 0.05);
    display: flex;
    flex-direction: column;
    height: 100%;
    border-top: 3px solid var(--primary-color);
    padding: 30px 25px;
    position: relative;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.service-icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 20px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    text-align: center;
}

.service-card p {
    color: var(--grey-color);
    margin-bottom: 50px; /* 增加底部边距，为底部按钮腾出空间 */
}

.read-more {
    font-weight: 500;
    display: inline-block;
    position: relative;
}

/* 服务卡片中的"了解更多"按钮的特殊样式 */
.service-card .read-more {
    margin-top: 10px;
    display: inline-block;
}

/* Case Studies Section */
.case-studies {
    padding: 100px 0;
    background-color: var(--light-grey);
}

.case-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.case-card {
    background-color: var(--light-color);
    border-radius: 5px;
    overflow: hidden;
    box-shadow: 0 5px 25px rgba(0, 0, 0, 0.08);
    transition: var(--transition);
    border: 1px solid rgba(0, 0, 0, 0.05);
    display: flex;
    flex-direction: column;
    height: 100%;
    border-top: 3px solid var(--primary-color);
}

.case-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.case-content {
    padding: 30px 25px;
}

.case-content h3 {
    font-size: 1.4rem;
    margin-bottom: 10px;
    color: var(--primary-color);
}

.case-category {
    color: var(--primary-color);
    font-size: 0.9rem;
    margin-bottom: 15px;
    font-weight: 500;
}

.case-content p {
    color: var(--grey-color);
    margin-bottom: 20px;
}

.view-all-container {
    text-align: center;
    margin-top: 50px;
}

/* About Preview Section */
.about-preview {
    padding: 100px 0;
    background-color: var(--light-color);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.about-content h2 {
    text-align: left;
    margin-bottom: 30px;
}

.about-content p {
    color: var(--grey-color);
    margin-bottom: 30px;
}

.about-features {
    margin-bottom: 30px;
}

.about-features li {
    margin-bottom: 18px;
    display: flex;
    align-items: center;
    line-height: 1.6;
}

.about-features i {
    color: var(--primary-color);
    margin-right: 12px;
    font-size: 1.1rem;
    flex-shrink: 0;
}

.about-image {
    position: relative;
    width: 100%;
    padding-bottom: 100%; /* 创建1:1的比例 */
    overflow: hidden;
}

.about-image img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.about-image:hover img {
    transform: scale(1.03); /* 悬停时轻微放大效果 */
}

/* Contact CTA Section */
.contact-cta {
    background: linear-gradient(135deg, rgba(0, 71, 171, 0.9), rgba(0, 48, 143, 0.95)), url('https://via.placeholder.com/1920x500') no-repeat center/cover;
    padding: 80px 0;
    text-align: center;
    color: var(--light-color);
}

.contact-cta h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.contact-cta p {
    font-size: 1.1rem;
    max-width: 700px;
    margin: 0 auto 30px;
}

/* Footer */
footer {
    background-color: var(--dark-color);
    color: var(--light-color);
    padding: 80px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 50px;
}

.footer-logo {
    height: 50px;
}

.footer-about p {
    color: #bbb;
    margin-bottom: 20px;
}

.footer-about h4 {
    margin-bottom: 20px;
}

.social-links {
    display: flex;
    gap: 15px;
}

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

.social-links a:hover {
    background-color: var(--primary-color);
    color: var(--light-color);
}

footer h3 {
    font-size: 1.3rem;
    margin-bottom: 25px;
    position: relative;
    padding-bottom: 10px;
}

footer h3:after {
    content: '';
    position: absolute;
    width: 50px;
    height: 2px;
    background: var(--primary-color);
    bottom: 0;
    left: 0;
}

footer li {
    margin-bottom: 12px;
}

footer li a {
    color: #bbb;
    transition: var(--transition);
}

footer li a:hover {
    color: var(--primary-color);
    padding-left: 5px;
}

.footer-contact li {
    display: flex;
    /* align-items: center; */
    color: #bbb;
}

.footer-contact i {
    color: var(--primary-color);
    margin-right: 10px;
    margin-top: 6px;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 20px 0;
    text-align: center;
}

.footer-bottom p {
    color: #999;
    font-size: 0.9rem;
}

/* About Page */
.page-header {
    background: linear-gradient(135deg, rgba(0, 71, 171, 0.9), rgba(0, 48, 143, 0.95)), url('https://via.placeholder.com/1920x400') no-repeat center/cover;
    color: var(--light-color);
    padding: 80px 0;
    text-align: center;
}

.page-header h1 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.breadcrumbs {
    font-weight: 300;
}

.breadcrumbs a {
    color: var(--light-color);
    opacity: 0.8;
}

.breadcrumbs span {
    margin: 0 10px;
}

/* About Page Specific Styles */
.about-section {
    padding: 100px 0;
    background-color: var(--light-color);
}

.mission-section {
    padding: 100px 0;
    background-color: var(--light-grey);
}

.mission-values {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.mission-value-card {
    background-color: var(--light-color);
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    text-align: center;
    transition: var(--transition);
}

.mission-value-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.value-icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.mission-value-card h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
}

.mission-value-card p {
    color: var(--grey-color);
}

.team-section {
    padding: 100px 0;
    background-color: var(--light-color);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.team-member {
    background-color: var(--light-grey);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
}

.team-member:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.team-member-img img {
    width: 100%;
    height: 300px;
    object-fit: cover;
}

.team-member-info {
    padding: 25px;
}

.team-member-info h3 {
    font-size: 1.3rem;
    margin-bottom: 5px;
}

.member-position {
    color: var(--primary-color);
    font-weight: 500;
    margin-bottom: 15px;
}

.member-bio {
    color: var(--grey-color);
    margin-bottom: 20px;
}

.member-social {
    display: flex;
    gap: 10px;
}

.member-social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 35px;
    height: 35px;
    background-color: rgba(0, 174, 239, 0.1);
    border-radius: 50%;
    color: var(--primary-color);
    transition: var(--transition);
}

.member-social a:hover {
    background-color: var(--primary-color);
    color: var(--light-color);
}

.history-section {
    padding: 100px 0;
    background-color: var(--light-grey);
}

.timeline {
    position: relative;
    max-width: 800px;
    margin: 50px auto 0;
}

.timeline:before {
    content: '';
    position: absolute;
    height: 100%;
    width: 2px;
    background-color: var(--primary-color);
    left: 50px;
    top: 0;
}

.timeline-item {
    position: relative;
    padding-left: 100px;
    margin-bottom: 50px;
}

.timeline-year {
    position: absolute;
    left: 0;
    top: 0;
    width: 100px;
    text-align: center;
}

.timeline-year span {
    display: inline-block;
    background-color: var(--primary-color);
    color: var(--light-color);
    padding: 10px 15px;
    border-radius: 20px;
    font-weight: 500;
}

.timeline-content {
    background-color: var(--light-color);
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.timeline-content h3 {
    margin-bottom: 10px;
    color: var(--primary-color);
}

/* Services Page Specific Styles */
.services-intro {
    padding: 80px 0;
    background-color: var(--light-color);
}

.services-intro-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.services-intro-content p {
    color: var(--grey-color);
    margin-bottom: 20px;
}

.service-detail {
    padding: 100px 0;
    background-color: var(--light-color);
}

.service-detail.alt-bg {
    background-color: var(--light-grey);
}

.service-detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.service-detail-grid.reverse {
    direction: rtl;
}

.service-detail-grid.reverse .service-detail-content {
    direction: ltr;
}

.service-detail-content h2 {
    font-size: 2rem;
    margin-bottom: 20px;
}

.service-detail-content p {
    color: var(--grey-color);
    margin-bottom: 25px;
}

.service-detail-content h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
}

.service-features {
    margin-bottom: 30px;
}

.service-features li {
    margin-bottom: 10px;
    display: flex;
    align-items: center;
}

.service-features i {
    color: var(--primary-color);
    margin-right: 10px;
}

.service-detail-image img {
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

/* Case Studies Page Specific Styles */
.cases-intro {
    padding: 80px 0 0;
    background-color: var(--light-color);
}

.case-study-grid {
    padding: 50px 0 100px;
    background-color: var(--light-color);
}

.case-full {
    margin-bottom: 80px;
    background-color: var(--light-grey);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.case-full-image img {
    width: 100%;
    height: auto;
}

.case-full-content {
    padding: 40px;
}

.case-full-content .case-category {
    display: inline-block;
    background-color: rgba(0, 174, 239, 0.1);
    color: var(--primary-color);
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 15px;
}

.case-full-content h2 {
    font-size: 1.8rem;
    margin-bottom: 20px;
}

.case-full-content p {
    color: var(--grey-color);
    margin-bottom: 25px;
}

.case-full-content h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.case-full-content ul {
    margin-bottom: 25px;
    padding-left: 20px;
}

.case-full-content ul li {
    margin-bottom: 10px;
    color: var(--grey-color);
}

.results-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
    padding-left: 0 !important;
}

.results-list li {
    background-color: var(--light-color);
    padding: 15px;
    border-radius: 10px;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.05);
    display: flex;
    align-items: center;
}

.results-list i {
    color: var(--primary-color);
    margin-right: 10px;
    font-size: 1.2rem;
}

blockquote {
    background-color: var(--light-color);
    border-left: 3px solid var(--primary-color);
    padding: 20px;
    margin-bottom: 25px;
    font-style: italic;
}

blockquote cite {
    display: block;
    margin-top: 10px;
    font-style: normal;
    font-weight: 500;
}

.more-cases {
    padding: 100px 0;
    background-color: var(--light-grey);
}

/* Contact Page Specific Styles */
.contact-section {
    padding: 80px 0;
    background-color: var(--light-color);
}

.contact-grid {
    display: grid;
    grid-template-columns: 3fr 2fr;
    gap: 50px;
}

.contact-form-container h2,
.contact-info h2 {
    font-size: 1.8rem;
    margin-bottom: 15px;
}

.contact-form-container p,
.contact-info p {
    color: var(--grey-color);
    margin-bottom: 30px;
}

.contact-form {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group {
    margin-bottom: 0;
}

.form-group.full-width {
    grid-column: 1 / span 2;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #e0e0e0;
    border-radius: 5px;
    font-family: var(--font-main);
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--primary-color);
    outline: none;
}

.form-group textarea {
    resize: vertical;
}

.form-group button {
    margin-top: 10px;
    cursor: pointer;
}

.contact-info {
    background-color: var(--light-grey);
    padding: 30px;
    border-radius: 10px;
}

.info-item {
    display: flex;
    margin-bottom: 25px;
}

.info-icon {
    flex: 0 0 50px;
    height: 50px;
    background-color: rgba(0, 174, 239, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-size: 1.2rem;
    margin-right: 15px;
}

.info-content h3 {
    font-size: 1.2rem;
    margin-bottom: 5px;
}

.info-content p {
    margin-bottom: 5px !important;
}

.social-links-container h3 {
    font-size: 1.2rem;
    margin-bottom: 15px;
}

.map-section {
    padding: 80px 0;
    background-color: var(--light-grey);
}

.map-container {
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.faq-section {
    padding: 80px 0;
    background-color: var(--light-color);
}

.faq-container {
    max-width: 900px;
    margin: 50px auto 0;
}

.faq-item {
    background-color: var(--light-grey);
    border-radius: 10px;
    margin-bottom: 20px;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.05);
    overflow: hidden;
}

.faq-question {
    padding: 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
}

.faq-question h3 {
    font-size: 1.2rem;
    margin: 0;
}

.faq-toggle {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-answer p {
    padding: 0 20px 20px;
    color: var(--grey-color);
}

.faq-item.active .faq-question {
    background-color: rgba(0, 174, 239, 0.05);
}

/* Responsive Styles */
@media (max-width: 992px) {
    .about-grid {
        grid-template-columns: 1fr;
    }
    
    .about-image {
        order: -1;
        margin-bottom: 30px;
        padding-bottom: 80%; /* 在小屏幕上略微减小高度比例 */
        max-width: 500px;
        margin-left: auto;
        margin-right: auto;
    }
}

@media (max-width: 768px) {
    body {
        font-size: 15px;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .hero h1 {
        font-size: 2.3rem;
    }
    
    header .container {
        position: relative;
    }
    
    nav ul {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
        cursor: pointer;
        margin-right: 15px;
        padding: 8px 10px;
    }
    
    .mobile-menu-btn span {
        display: block;
        width: 22px;
        height: 2px;
        background-color: var(--light-color);
        margin: 5px 0;
        transition: all 0.3s ease;
    }
    
    .mobile-menu-btn.active span:nth-child(1) {
        transform: rotate(45deg) translate(4px, 5px);
    }
    
    .mobile-menu-btn.active span:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-menu-btn.active span:nth-child(3) {
        transform: rotate(-45deg) translate(4px, -5px);
    }
}

@media (max-width: 576px) {
    .hero-btns {
        flex-direction: column;
        gap: 15px;
    }
    
    .hero {
        padding: 80px 0;
    }
    
    .services-overview,
    .case-studies,
    .about-preview {
        padding: 60px 0;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
}