/* 通用样式 */
:root {
    --primary-color: #007bff; /* 主色调，蓝色 */
    --secondary-color: #6c757d; /* 辅色调，灰色 */
    --accent-color: #28a745; /* 强调色，绿色 */
    --dark-bg: #1a202c; /* 深色背景 */
    --light-bg: #f8f9fa; /* 浅色背景 */
    --text-color-dark: #333;
    --text-color-light: #fefefe;
    --border-color: #e0e0e0;

    --font-primary: 'Montserrat', sans-serif;
    --font-secondary: 'Noto Sans SC', sans-serif;
}

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

body {
    font-family: var(--font-secondary);
    line-height: 1.6;
    color: var(--text-color-dark);
    background-color: #fff;
    scroll-behavior: smooth;
    scroll-padding-top: 90px;
}

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

.section-padding {
    padding: 80px 0;
}

.section-title {
    font-family: var(--font-primary);
    font-size: 2.5em;
    text-align: center;
    margin-bottom: 60px;
    color: var(--dark-bg);
    position: relative;
    padding-bottom: 15px;
}

.section-title::after {
    content: '';
    position: absolute;
    left: 50%;
    bottom: 0;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background-color: var(--primary-color);
    border-radius: 2px;
}

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

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

.text-white {
    color: var(--text-color-light);
}

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

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

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

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

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 5px;
    font-weight: 500;
    transition: all 0.3s ease;
    text-align: center;
    cursor: pointer;
    border: 2px solid transparent;
}

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

.btn-primary:hover {
    background-color: #0056b3;
    border-color: #0056b3;
}

.btn-secondary {
    background-color: var(--secondary-color);
    color: var(--text-color-light);
    border-color: var(--secondary-color);
}

.btn-secondary:hover {
    background-color: #5a6268;
    border-color: #5a6268;
}

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

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

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

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


/* Header */
.main-header {
    background-color: rgba(255, 255, 255, 0.95);
    padding: 15px 0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    position: fixed;
    width: 100%;
    top: 0;
    left: 0;
    z-index: 1000;
}

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

.logo a {
    font-family: var(--font-primary);
    font-size: 1.5em;
    font-weight: 700;
    color: var(--primary-color);
}

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

.main-nav > ul > li {
    position: relative;
    margin-left: 30px;
}

.main-nav > ul > li > a {
    font-weight: 500;
    color: var(--text-color-dark);
    padding: 10px 0;
    display: block;
}

.main-nav > ul > li > a:hover {
    color: var(--primary-color);
}

.dropdown {
    display: block;
    position: absolute;
    background-color: #fff;
    box-shadow: 0 8px 16px rgba(0,0,0,0.1);
    min-width: 160px;
    z-index: 1;
    list-style: none;
    padding: 8px;
    border-radius: 10px;
    top: calc(100% + 6px);
    left: 0;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(-6px);
    transition: opacity 0.18s ease, transform 0.18s ease, visibility 0.18s ease;
    border: 1px solid rgba(0, 0, 0, 0.06);
}

.dropdown::before {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    top: -10px;
    height: 10px;
}

.dropdown li {
    margin: 0;
}

.dropdown li a {
    padding: 10px 14px;
    white-space: nowrap; /* 防止文本换行 */
    border-radius: 8px;
    color: var(--text-color-dark);
}

.dropdown li a:hover {
    background-color: rgba(0, 123, 255, 0.08);
    color: var(--primary-color);
}

.main-nav > ul > li:hover > .dropdown,
.main-nav > ul > li:focus-within > .dropdown {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateY(0);
}

.main-nav > ul > li:hover > a,
.main-nav > ul > li:focus-within > a {
    color: var(--primary-color);
}

.nav-toggle {
    display: none; /* 默认隐藏，在小屏幕显示 */
    background: none;
    border: none;
    font-size: 1.8em;
    cursor: pointer;
    color: var(--text-color-dark);
}


/* Hero Section */
.hero-section {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-color-light);
    text-align: center;
    overflow: hidden;
    padding-top: 80px; /* 避开固定导航栏 */
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: #333; /* 备用背景色 */
    overflow: hidden;
}

.hero-gradient {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(1200px 600px at 20% 10%, rgba(0, 123, 255, 0.65), rgba(0, 123, 255, 0) 60%),
        radial-gradient(900px 500px at 80% 30%, rgba(40, 167, 69, 0.35), rgba(40, 167, 69, 0) 60%),
        radial-gradient(800px 500px at 60% 90%, rgba(23, 162, 184, 0.35), rgba(23, 162, 184, 0) 60%),
        linear-gradient(135deg, #0b1220, #101b30 40%, #0b1220);
    filter: saturate(1.1);
}

.hero-orb {
    position: absolute;
    border-radius: 999px;
    filter: blur(30px);
    opacity: 0.65;
    animation: floatY 10s ease-in-out infinite alternate;
}

.hero-orb-1 {
    width: 320px;
    height: 320px;
    left: -60px;
    top: 90px;
    background: rgba(0, 123, 255, 0.45);
}

.hero-orb-2 {
    width: 260px;
    height: 260px;
    right: -60px;
    top: 180px;
    background: rgba(40, 167, 69, 0.35);
    animation-delay: 0.8s;
}

.hero-orb-3 {
    width: 220px;
    height: 220px;
    right: 20%;
    bottom: -70px;
    background: rgba(23, 162, 184, 0.35);
    animation-delay: 1.2s;
}

.hero-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(to right, rgba(255, 255, 255, 0.06) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(255, 255, 255, 0.06) 1px, transparent 1px);
    background-size: 44px 44px;
    mask-image: radial-gradient(closest-side at 50% 40%, rgba(0,0,0,1), rgba(0,0,0,0));
    opacity: 0.8;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    animation: fadeIn 1s ease-out forwards;
}

.hero-content .subtitle {
    font-family: var(--font-primary);
    font-size: 1em;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 10px;
    color: rgba(255, 255, 255, 0.8);
    opacity: 0;
    animation: slideUp 0.8s ease-out 0.2s forwards;
}

.hero-content h1 {
    font-family: var(--font-primary);
    font-size: 3.8em;
    margin-bottom: 20px;
    line-height: 1.2;
    opacity: 0;
    animation: slideUp 0.8s ease-out 0.4s forwards;
}

.hero-content .tagline {
    font-size: 1.3em;
    margin-bottom: 40px;
    opacity: 0;
    animation: slideUp 0.8s ease-out 0.6s forwards;
}

.hero-content .btn {
    opacity: 0;
    animation: slideUp 0.8s ease-out 0.8s forwards;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes floatY {
    from { transform: translateY(-6px); }
    to { transform: translateY(10px); }
}

.hero-actions {
    display: flex;
    gap: 14px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 26px;
}

.hero-btn-outline {
    border-color: rgba(255, 255, 255, 0.5);
    color: #fff;
}

.hero-btn-outline:hover {
    background-color: rgba(255, 255, 255, 0.14);
    border-color: rgba(255, 255, 255, 0.7);
    color: #fff;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
    margin-top: 24px;
}

.hero-stat {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: 12px;
    padding: 14px 16px;
    backdrop-filter: blur(8px);
}

.hero-stat-value {
    font-family: var(--font-primary);
    font-weight: 700;
    font-size: 1.25em;
    letter-spacing: 0.5px;
}

.hero-stat-label {
    font-size: 0.9em;
    color: rgba(255, 255, 255, 0.75);
    margin-top: 4px;
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
}

.about-card {
    background-color: #fff;
    padding: 28px;
    border-radius: 12px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.06);
    border: 1px solid rgba(0, 0, 0, 0.06);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.about-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.12);
}

.about-card h3 {
    font-family: var(--font-primary);
    font-size: 1.25em;
    margin-bottom: 10px;
    color: var(--dark-bg);
}

.about-card p {
    font-size: 0.95em;
    color: #666;
}

.card-badge {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    display: grid;
    place-items: center;
    font-family: var(--font-primary);
    font-weight: 700;
    color: #fff;
    background: linear-gradient(135deg, var(--primary-color), #0056b3);
    margin-bottom: 16px;
}

.card-badge-blue { background: linear-gradient(135deg, var(--primary-color), #0056b3); }
.card-badge-green { background: linear-gradient(135deg, var(--accent-color), #1f7a35); }
.card-badge-yellow { background: linear-gradient(135deg, #ffc107, #d39e00); }
.card-badge-cyan { background: linear-gradient(135deg, #17a2b8, #0f6f80); }

/* Core Business Section */
.core-business-section {
    padding-top: 100px;
    padding-bottom: 100px;
    background:
        radial-gradient(900px 350px at 20% 10%, rgba(0, 123, 255, 0.12), rgba(0, 123, 255, 0) 60%),
        radial-gradient(800px 320px at 80% 30%, rgba(40, 167, 69, 0.10), rgba(40, 167, 69, 0) 60%),
        linear-gradient(180deg, #f8fafc, #ffffff);
    color: var(--text-color-dark);
}

.core-business-section .section-title {
    color: var(--dark-bg);
}

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

.business-item {
    background-color: #ffffff;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.business-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.icon-badge {
    width: 76px;
    height: 76px;
    border-radius: 18px;
    margin: 0 auto 18px;
    display: grid;
    place-items: center;
    font-family: var(--font-primary);
    font-weight: 700;
    font-size: 1.4em;
    color: #fff;
    box-shadow: 0 10px 22px rgba(0, 0, 0, 0.12);
}

.icon-badge-primary { background: linear-gradient(135deg, var(--primary-color), #0056b3); }
.icon-badge-accent { background: linear-gradient(135deg, var(--accent-color), #1f7a35); }
.icon-badge-warn { background: linear-gradient(135deg, #ffc107, #d39e00); }

.business-item h3 {
    font-family: var(--font-primary);
    font-size: 1.5em;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.business-item p {
    font-size: 0.95em;
    color: #666;
    margin-bottom: 25px;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 24px;
    margin-bottom: 34px;
}

.product-card {
    background: #fff;
    padding: 28px;
    border-radius: 12px;
    box-shadow: 0 5px 18px rgba(0, 0, 0, 0.06);
    border: 1px solid rgba(0, 0, 0, 0.06);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.product-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.12);
}

.product-card h3 {
    font-family: var(--font-primary);
    font-size: 1.25em;
    margin-bottom: 10px;
    color: var(--dark-bg);
}

.product-card p {
    font-size: 0.95em;
    color: #666;
}

.service-process {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 18px;
}

.service-step {
    display: flex;
    gap: 14px;
    background: #fff;
    border: 1px solid rgba(0, 0, 0, 0.06);
    border-radius: 12px;
    padding: 18px;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.05);
}

.step-index {
    width: 54px;
    height: 54px;
    border-radius: 16px;
    display: grid;
    place-items: center;
    font-family: var(--font-primary);
    font-weight: 700;
    color: #fff;
    background: linear-gradient(135deg, rgba(0, 123, 255, 1), rgba(23, 162, 184, 1));
    flex: 0 0 auto;
}

.step-body h4 {
    font-family: var(--font-primary);
    font-size: 1.08em;
    margin-bottom: 6px;
    color: var(--dark-bg);
}

.step-body p {
    color: #666;
    font-size: 0.95em;
}

/* Advantages Section */
.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

@media (min-width: 993px) {
    .advantages-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

.advantage-item {
    background-color: #fff;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 3px 15px rgba(0, 0, 0, 0.05);
    text-align: center;
    border-bottom: 4px solid var(--primary-color); /* 底部强调边框 */
    transition: all 0.3s ease;
}

.advantage-item:nth-child(2) { border-color: var(--accent-color); }
.advantage-item:nth-child(3) { border-color: #ffc107; /* 黄色 */ }
.advantage-item:nth-child(4) { border-color: #17a2b8; /* 青色 */ }


.advantage-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.mini-badge {
    width: 54px;
    height: 54px;
    border-radius: 999px;
    display: grid;
    place-items: center;
    margin: 0 auto 16px;
    font-family: var(--font-primary);
    font-weight: 700;
    color: #fff;
    box-shadow: 0 10px 22px rgba(0, 0, 0, 0.12);
}

.mini-badge-blue { background: linear-gradient(135deg, var(--primary-color), #0056b3); }
.mini-badge-green { background: linear-gradient(135deg, var(--accent-color), #1f7a35); }
.mini-badge-yellow { background: linear-gradient(135deg, #ffc107, #d39e00); }
.mini-badge-cyan { background: linear-gradient(135deg, #17a2b8, #0f6f80); }

.advantage-item h4 {
    font-family: var(--font-primary);
    font-size: 1.3em;
    margin-bottom: 10px;
    color: var(--dark-bg);
}

.advantage-item p {
    font-size: 0.9em;
    color: #777;
}

/* Testimonials Section */
.testimonials-slider {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    /* 可在此处添加轮播图样式 */
}

.testimonial-item {
    background-color: #fff;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 3px 15px rgba(0, 0, 0, 0.05);
    text-align: center;
    position: relative;
    padding-top: 70px; /* 为头像留出空间 */
}

.avatar-badge {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    font-family: var(--font-primary);
    font-weight: 700;
    font-size: 2em;
    color: #fff;
    border: 4px solid var(--primary-color);
    position: absolute;
    top: -50px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--primary-color), #17a2b8);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.testimonial-item blockquote {
    font-style: italic;
    font-size: 1.1em;
    color: #555;
    margin-bottom: 20px;
}

.testimonial-item .client-info {
    font-weight: 500;
    color: var(--dark-bg);
}

/* News Section */
.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.news-item {
    background-color: #fff;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 3px 15px rgba(0, 0, 0, 0.05);
    border-left: 5px solid var(--primary-color);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.news-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.news-item .news-icon {
    float: left;
    margin-right: 15px;
}

.news-icon-badge {
    width: 44px;
    height: 44px;
    border-radius: 14px;
    display: grid;
    place-items: center;
    font-family: var(--font-primary);
    font-weight: 700;
    color: #fff;
    background: linear-gradient(135deg, var(--primary-color), #17a2b8);
}

.news-item h4 {
    font-family: var(--font-primary);
    font-size: 1.2em;
    margin-bottom: 10px;
    color: var(--dark-bg);
    overflow: hidden; /* 配合float */
}

.news-item h4 a {
    color: inherit;
}

.news-item .news-date {
    font-size: 0.85em;
    color: var(--secondary-color);
    margin-bottom: 15px;
}

.news-item .news-summary {
    font-size: 0.9em;
    color: #666;
    margin-bottom: 20px;
}

.news-item .read-more {
    font-weight: 500;
    color: var(--primary-color);
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
}

.contact-card {
    background: #fff;
    border-radius: 12px;
    padding: 28px;
    border: 1px solid rgba(0, 0, 0, 0.06);
    box-shadow: 0 5px 18px rgba(0, 0, 0, 0.06);
}

.contact-card h3 {
    font-family: var(--font-primary);
    font-size: 1.25em;
    margin-bottom: 16px;
    color: var(--dark-bg);
}

.contact-list {
    display: grid;
    gap: 12px;
}

.contact-item {
    display: grid;
    grid-template-columns: 72px 1fr;
    gap: 10px;
    padding: 12px 14px;
    background: #f8fafc;
    border: 1px solid rgba(0, 0, 0, 0.05);
    border-radius: 10px;
}

.contact-label {
    font-weight: 600;
    color: var(--dark-bg);
}

.contact-value {
    color: #555;
}

.contact-form {
    display: grid;
    gap: 14px;
}

.form-row {
    display: grid;
    gap: 8px;
}

.form-label {
    font-weight: 600;
    color: var(--dark-bg);
}

.form-input,
.form-textarea {
    width: 100%;
    border-radius: 10px;
    border: 1px solid rgba(0, 0, 0, 0.12);
    padding: 12px 14px;
    font-family: var(--font-secondary);
    outline: none;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    background: #fff;
}

.form-textarea {
    resize: vertical;
}

.form-input:focus,
.form-textarea:focus {
    border-color: rgba(0, 123, 255, 0.7);
    box-shadow: 0 0 0 4px rgba(0, 123, 255, 0.12);
}

/* CTA Section */
.cta-section {
    background-color: var(--dark-bg);
    padding: 80px 0;
    color: var(--text-color-light);
    text-align: center;
}

.cta-section h2 {
    font-family: var(--font-primary);
    font-size: 2.2em;
    margin-bottom: 20px;
}

.cta-section p {
    font-size: 1.1em;
    margin-bottom: 40px;
    color: rgba(255, 255, 255, 0.8);
}


/* Footer */
.main-footer {
    background-color: #222;
    color: #ddd;
    padding: 60px 0 20px;
    font-size: 0.9em;
}

.main-footer a {
    color: #ddd;
}

.main-footer a:hover {
    color: var(--primary-color);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.footer-content h3 {
    font-family: var(--font-primary);
    font-size: 1.3em;
    color: #fff;
    margin-bottom: 20px;
}

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

.footer-content ul li {
    margin-bottom: 10px;
}

.footer-bottom {
    border-top: 1px solid #444;
    padding-top: 20px;
    text-align: center;
    font-size: 0.85em;
}

.footer-bottom p {
    margin-bottom: 5px;
}

.icp-info {
    font-size: 0.8em; /* 备案号字体小一点 */
    color: #aaa;
}


/* 响应式设计 */
@media (max-width: 992px) {
    .main-nav {
        display: none; /* 隐藏主导航 */
        flex-direction: column;
        width: 100%;
        position: absolute;
        top: 60px; /* 导航栏高度 */
        left: 0;
        background-color: rgba(255, 255, 255, 0.98);
        box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
    }
    .main-nav.active {
        display: flex; /* 显示激活的导航 */
    }
    .main-nav > ul {
        display: flex;
        flex-direction: column;
        padding: 10px 0;
    }
    .main-nav > ul > li {
        margin: 0;
        border-bottom: 1px solid #eee;
    }
    .main-nav > ul > li:last-child {
        border-bottom: none;
    }
    .main-nav > ul > li > a {
        padding: 15px 20px;
    }
    .dropdown {
        position: static; /* 手机端下拉菜单直接在下方展开 */
        box-shadow: none;
        background-color: #f8f8f8;
        padding: 0;
        border-radius: 0;
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
        transform: none;
        transition: none;
        border: none;
    }
    .dropdown::before {
        display: none;
    }
    .dropdown li a {
        padding-left: 40px; /* 子菜单缩进 */
        border-radius: 0;
    }
    .nav-toggle {
        display: block; /* 显示汉堡菜单图标 */
    }

    .hero-content h1 {
        font-size: 2.8em;
    }
    .hero-content .tagline {
        font-size: 1.1em;
    }

    .hero-stats {
        grid-template-columns: 1fr;
    }

    .section-title {
        font-size: 2em;
    }

    .about-section, .core-business-section, .products-section, .advantages-section, .testimonials-section, .news-section, .contact-section, .cta-section {
        padding: 60px 0;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .footer-content ul {
        padding-left: 0;
    }

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

@media (max-width: 576px) {
    .hero-content h1 {
        font-size: 2.2em;
    }
    .hero-content .tagline {
        font-size: 1em;
    }
    .section-title {
        font-size: 1.8em;
        margin-bottom: 40px;
    }
    .business-grid, .advantages-grid, .testimonials-slider, .news-grid {
        grid-template-columns: 1fr;
    }

    .contact-item {
        grid-template-columns: 1fr;
    }
}