/* ========================================
   广州礼成天下文化有限公司 - 企业官网样式
   主色调：深蓝色 #1a365d + 金色 #d4af37
   ======================================== */

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

:root {
    --primary-color: #1a365d;
    --primary-light: #2c5282;
    --primary-dark: #0d1b2a;
    --accent-color: #d4af37;
    --accent-light: #e8d179;
    --text-color: #333;
    --text-light: #666;
    --text-muted: #999;
    --bg-color: #fff;
    --bg-light: #f8f9fa;
    --bg-dark: #1a202c;
    --border-color: #e2e8f0;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
    --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;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-color);
}

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

ul {
    list-style: none;
}

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

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

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 12px 32px;
    font-size: 16px;
    font-weight: 500;
    border-radius: 4px;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    text-align: center;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-color) 0%, #b8941f 100%);
    color: #fff;
    box-shadow: 0 4px 15px rgba(212, 175, 55, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(212, 175, 55, 0.4);
}

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

.btn-outline:hover {
    background: var(--primary-color);
    color: #fff;
}

/* 区块标题 */
.section-padding {
    padding: 80px 0;
}

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

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

.section-subtitle {
    display: inline-block;
    color: var(--accent-color);
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 10px;
}

.section-title {
    font-size: 36px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.section-line {
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-color), var(--primary-color));
    margin: 0 auto;
}

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

.mt-4 {
    margin-top: 40px;
}

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 15px 0;
    transition: var(--transition);
    background: transparent;
}

.navbar.scrolled {
    background: rgba(26, 54, 93, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow);
    padding: 10px 0;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #fff;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: var(--accent-color);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
}

.logo-text {
    font-size: 24px;
    font-weight: 700;
}

.nav-menu {
    display: flex;
    gap: 40px;
}

.nav-menu a {
    color: #fff;
    font-size: 16px;
    font-weight: 500;
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-color);
    transition: var(--transition);
}

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

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: #fff;
    transition: var(--transition);
}

/* Banner轮播 */
.banner {
    position: relative;
    height: 100vh;
    min-height: 600px;
    overflow: hidden;
}

.banner-slider {
    position: relative;
    height: 100%;
}

.banner-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.8s ease, visibility 0.8s ease;
}

.banner-slide.active {
    opacity: 1;
    visibility: visible;
}

.banner-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.banner-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(26, 54, 93, 0.6);
    z-index: 1;
}

.banner-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: #fff;
    z-index: 2;
    max-width: 800px;
    padding: 0 20px;
}

.banner-content h1 {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease;
}

.banner-slide.active .banner-content h1 {
    opacity: 1;
    transform: translateY(0);
}

.banner-content p {
    font-size: 20px;
    margin-bottom: 30px;
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease 0.2s;
}

.banner-slide.active .banner-content p {
    opacity: 1;
    transform: translateY(0);
}

.banner-content .btn {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease 0.4s;
}

.banner-slide.active .banner-content .btn {
    opacity: 1;
    transform: translateY(0);
}

.banner-dots {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 3;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: var(--transition);
}

.dot.active {
    background: var(--accent-color);
    width: 30px;
    border-radius: 6px;
}

.banner-arrows {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 100%;
    display: flex;
    justify-content: space-between;
    padding: 0 30px;
    z-index: 3;
}

.arrow {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: #fff;
    font-size: 20px;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.arrow:hover {
    background: var(--accent-color);
}

/* 公司简介 */
.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 {
    color: var(--text-light);
    margin-bottom: 15px;
    line-height: 1.8;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-top: 40px;
}

.stat-item {
    text-align: center;
    padding: 20px;
    background: var(--bg-light);
    border-radius: 8px;
    transition: var(--transition);
}

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

.stat-number {
    font-size: 36px;
    font-weight: 700;
    color: var(--accent-color);
}

.stat-suffix {
    font-size: 24px;
    font-weight: 700;
    color: var(--accent-color);
}

.stat-label {
    display: block;
    font-size: 14px;
    color: var(--text-light);
    margin-top: 5px;
}

.about-image {
    position: relative;
}

.image-frame {
    position: relative;
    padding: 20px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 8px;
}

.image-frame::before {
    content: '';
    position: absolute;
    top: -10px;
    left: -10px;
    right: 10px;
    bottom: 10px;
    border: 2px solid var(--accent-color);
    border-radius: 8px;
    z-index: -1;
}

.image-placeholder {
    background: var(--bg-light);
    height: 350px;
    border-radius: 4px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
}

.image-placeholder i {
    font-size: 60px;
    margin-bottom: 15px;
    color: var(--primary-light);
}

/* 服务类型 */
.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.service-card {
    background: #fff;
    padding: 40px 30px;
    border-radius: 8px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border-bottom: 3px solid transparent;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
    border-bottom-color: var(--accent-color);
}

.service-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 32px;
    color: #fff;
    transition: var(--transition);
}

.service-card:hover .service-icon {
    background: linear-gradient(135deg, var(--accent-color), #b8941f);
    transform: rotateY(360deg);
}

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

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

.service-link {
    color: var(--accent-color);
    font-weight: 500;
    font-size: 14px;
}

.service-link:hover {
    color: var(--primary-color);
}

.service-link i {
    transition: var(--transition);
}

.service-link:hover i {
    transform: translateX(5px);
}

/* 案例展示 */
.cases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.case-card {
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

.case-image {
    height: 220px;
    overflow: hidden;
}

.case-image .image-placeholder {
    height: 100%;
    background: linear-gradient(135deg, var(--bg-light), #e2e8f0);
}

.case-content {
    padding: 25px;
}

.case-content h3 {
    font-size: 20px;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.case-content p {
    color: var(--text-light);
    font-size: 14px;
    margin-bottom: 15px;
    line-height: 1.6;
}

.case-link {
    color: var(--accent-color);
    font-weight: 500;
    font-size: 14px;
}

.case-link:hover {
    color: var(--primary-color);
}

/* 新闻 */
.news-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.news-card {
    display: flex;
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.news-card:hover {
    box-shadow: var(--shadow-lg);
}

.news-date {
    min-width: 100px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: #fff;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.news-date .day {
    font-size: 36px;
    font-weight: 700;
}

.news-date .month {
    font-size: 14px;
}

.news-content {
    padding: 25px;
    flex: 1;
}

.news-content h3 {
    font-size: 18px;
    margin-bottom: 10px;
}

.news-content h3 a {
    color: var(--primary-color);
}

.news-content h3 a:hover {
    color: var(--accent-color);
}

.news-content p {
    color: var(--text-light);
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 15px;
}

.news-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
}

.news-meta span {
    color: var(--text-muted);
}

.news-meta a {
    color: var(--accent-color);
    font-weight: 500;
}

/* 页脚 */
.footer {
    background: var(--primary-dark);
    color: #fff;
    padding: 60px 0 0;
}

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

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 20px;
}

.footer-logo i {
    color: var(--accent-color);
}

.footer-about p {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.8;
    margin-bottom: 20px;
}

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

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

.footer-social a:hover {
    background: var(--accent-color);
    transform: translateY(-3px);
}

.footer h4 {
    font-size: 18px;
    margin-bottom: 20px;
    color: var(--accent-color);
}

.footer-links li,
.footer-services li {
    margin-bottom: 10px;
}

.footer-links a,
.footer-services a {
    color: rgba(255, 255, 255, 0.7);
}

.footer-links a:hover,
.footer-services a:hover {
    color: var(--accent-color);
    padding-left: 5px;
}

.footer-contact li {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
    color: rgba(255, 255, 255, 0.7);
}

.footer-contact i {
    color: var(--accent-color);
    width: 20px;
}

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

.footer-bottom p {
    color: rgba(255, 255, 255, 0.5);
    font-size: 14px;
}

.footer-bottom a {
    color: rgba(255, 255, 255, 0.5);
}

.footer-bottom a:hover {
    color: var(--accent-color);
}

/* 页面标题Banner */
.page-banner {
    height: 400px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: #fff;
    position: relative;
    overflow: hidden;
}

.page-banner::before {
    content: '';
    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 0 100 100"><circle cx="50" cy="50" r="40" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="1"/></svg>');
    background-size: 100px;
}

.page-banner-content {
    position: relative;
    z-index: 1;
}

.page-banner h1 {
    font-size: 42px;
    margin-bottom: 15px;
}

.page-banner p {
    font-size: 18px;
    opacity: 0.8;
}

/* 服务列表页 */
.service-list {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.service-item {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.service-item:nth-child(even) {
    direction: rtl;
}

.service-item:nth-child(even) > * {
    direction: ltr;
}

.service-item-image {
    height: 350px;
}

.service-item-image .image-placeholder {
    height: 100%;
    background: linear-gradient(135deg, var(--bg-light), #e2e8f0);
}

.service-item-content {
    padding: 40px;
}

.service-item-content h3 {
    font-size: 28px;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.service-item-content p {
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 20px;
}

.service-features {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.service-features span {
    background: var(--bg-light);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
    color: var(--text-light);
}

/* 案例列表页 */
.case-list {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.case-item {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.case-item:nth-child(even) {
    direction: rtl;
}

.case-item:nth-child(even) > * {
    direction: ltr;
}

.case-item-image {
    height: 400px;
}

.case-item-image .image-placeholder {
    height: 100%;
    background: linear-gradient(135deg, var(--bg-light), #e2e8f0);
}

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

.case-item-content h3 {
    font-size: 28px;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.case-item-content p {
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 20px;
}

.case-meta {
    display: flex;
    gap: 20px;
    margin-bottom: 20px;
}

.case-meta span {
    color: var(--text-muted);
    font-size: 14px;
}

.case-meta i {
    color: var(--accent-color);
    margin-right: 5px;
}

/* 新闻列表页 */
.news-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.news-list-item {
    display: flex;
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.news-list-item:hover {
    box-shadow: var(--shadow-lg);
    transform: translateX(5px);
}

.news-list-image {
    width: 280px;
    min-height: 180px;
}

.news-list-image .image-placeholder {
    height: 100%;
    background: linear-gradient(135deg, var(--bg-light), #e2e8f0);
}

.news-list-content {
    flex: 1;
    padding: 25px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.news-list-content h3 {
    font-size: 20px;
    margin-bottom: 10px;
}

.news-list-content h3 a {
    color: var(--primary-color);
}

.news-list-content h3 a:hover {
    color: var(--accent-color);
}

.news-list-content p {
    color: var(--text-light);
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 15px;
}

/* 新闻详情页 */
.news-detail {
    max-width: 900px;
    margin: 0 auto;
    background: #fff;
    border-radius: 8px;
    padding: 50px;
    box-shadow: var(--shadow);
}

.news-detail-header {
    text-align: center;
    margin-bottom: 40px;
    padding-bottom: 30px;
    border-bottom: 1px solid var(--border-color);
}

.news-detail-header h1 {
    font-size: 32px;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.news-detail-meta {
    display: flex;
    justify-content: center;
    gap: 30px;
    color: var(--text-muted);
    font-size: 14px;
}

.news-detail-meta i {
    color: var(--accent-color);
    margin-right: 5px;
}

.news-detail-content {
    line-height: 1.8;
    color: var(--text-color);
}

.news-detail-content p {
    margin-bottom: 20px;
}

.news-nav {
    display: flex;
    justify-content: space-between;
    margin-top: 40px;
    padding-top: 30px;
    border-top: 1px solid var(--border-color);
}

.news-nav a {
    color: var(--primary-color);
    font-weight: 500;
}

.news-nav a:hover {
    color: var(--accent-color);
}

.news-nav a i {
    margin: 0 5px;
}

/* 联系我们页 */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-info h3 {
    font-size: 24px;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.contact-info > p {
    color: var(--text-light);
    margin-bottom: 30px;
    line-height: 1.8;
}

.contact-items {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
}

.contact-item-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 20px;
    flex-shrink: 0;
}

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

.contact-item-content p {
    color: var(--text-light);
    font-size: 14px;
}

.contact-form-wrapper {
    background: #fff;
    padding: 40px;
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.contact-form-wrapper h3 {
    font-size: 24px;
    color: var(--primary-color);
    margin-bottom: 30px;
    text-align: center;
}

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

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

.form-group label span {
    color: #e53e3e;
}

.form-control {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 15px;
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.1);
}

textarea.form-control {
    resize: vertical;
    min-height: 120px;
}

.captcha-group {
    display: flex;
    gap: 15px;
}

.captcha-group .form-control {
    flex: 1;
}

.captcha-image {
    width: 120px;
    height: 46px;
    background: var(--bg-light);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: 700;
    color: var(--primary-color);
    letter-spacing: 3px;
    cursor: pointer;
    user-select: none;
}

.btn-submit {
    width: 100%;
    padding: 14px;
    background: linear-gradient(135deg, var(--accent-color), #b8941f);
    color: #fff;
    border: none;
    border-radius: 4px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(212, 175, 55, 0.4);
}

/* 动画效果 */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

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

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--primary-color);
        flex-direction: column;
        padding: 20px;
        gap: 15px;
        transform: translateY(-150%);
        transition: var(--transition);
        opacity: 0;
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
    }
    
    .hamburger {
        display: flex;
    }
    
    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }
    
    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
    
    .banner-content h1 {
        font-size: 32px;
    }
    
    .banner-content p {
        font-size: 16px;
    }
    
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .about-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .cases-grid {
        grid-template-columns: 1fr;
    }
    
    .news-grid {
        grid-template-columns: 1fr;
    }
    
    .news-card {
        flex-direction: column;
    }
    
    .news-date {
        flex-direction: row;
        gap: 10px;
        padding: 15px;
    }
    
    .service-item,
    .case-item {
        grid-template-columns: 1fr;
    }
    
    .service-item:nth-child(even),
    .case-item:nth-child(even) {
        direction: ltr;
    }
    
    .news-list-item {
        flex-direction: column;
    }
    
    .news-list-image {
        width: 100%;
        height: 200px;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .section-title {
        font-size: 28px;
    }
    
    .page-banner h1 {
        font-size: 32px;
    }
    
    .news-detail {
        padding: 30px 20px;
    }
    
    .news-detail-header h1 {
        font-size: 24px;
    }
}

@media (max-width: 480px) {
    .about-stats {
        grid-template-columns: 1fr;
    }
    
    .banner-arrows {
        display: none;
    }
    
    .section-padding {
        padding: 50px 0;
    }
}