/* 重置样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #6C63FF;
    --secondary-color: #00D4AA;
    --accent-color: #FF6B6B;
    --gradient-1: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-2: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}

/* 亮色主题（默认） */
body.light-mode {
    --bg-color: #FFFFFF;
    --text-color: #333333;
    --section-bg: #FFFFFF;
    --section-dark-bg: #0F0F23;
    --text-light: #FFFFFF;
    --nav-bg: rgba(255, 255, 255, 0.95);
    --nav-scrolled-bg: rgba(255, 255, 255, 0.98);
    --card-bg: #FFFFFF;
    --card-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    --border-color: rgba(0, 0, 0, 0.1);
}

/* 暗色主题 */
body.dark-mode {
    --bg-color: #0F0F23;
    --text-color: #E0E0E0;
    --section-bg: #1a1a2e;
    --section-dark-bg: #0F0F23;
    --text-light: #FFFFFF;
    --nav-bg: rgba(15, 15, 35, 0.95);
    --nav-scrolled-bg: rgba(15, 15, 35, 0.98);
    --card-bg: #1a1a2e;
    --card-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
    --border-color: rgba(255, 255, 255, 0.1);
}

body {
    font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background: var(--bg-color);
    overflow-x: hidden;
    transition: background-color 0.3s ease, color 0.3s ease;
}

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

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

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--nav-bg);
    backdrop-filter: blur(10px);
    z-index: 1000;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.navbar.scrolled {
    background: var(--nav-scrolled-bg);
    box-shadow: 0 2px 30px rgba(0, 0, 0, 0.15);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-logo a {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.logo-img {
    height: 45px;
    width: auto;
    object-fit: contain;
}

.logo-text {
    font-size: 1.3rem;
    font-weight: 700;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 20px;
}

.nav-menu a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    font-size: 0.9rem;
    transition: color 0.3s ease;
    position: relative;
}

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

.nav-controls {
    display: flex;
    gap: 12px;
    align-items: center;
}

.lang-toggle,
.theme-toggle {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 12px;
    border: 2px solid var(--border-color);
    border-radius: 20px;
    background: var(--card-bg);
    color: var(--text-color);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.lang-toggle:hover,
.theme-toggle:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.lang-icon {
    font-size: 1rem;
}

.theme-icon {
    font-size: 1.1rem;
}

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

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--text-color);
    transition: all 0.3s ease;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background: var(--section-dark-bg);
    overflow: hidden;
    padding-top: 70px;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at center, #667eea 0%, #764ba2 50%, #0F0F23 100%);
    opacity: 0.3;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-bg-logo {
    max-width: 1200px;
    height: auto;
    max-height: 80vh;
    object-fit: contain;
    opacity: 0.15;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 0 20px;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--text-light);
    line-height: 1.2;
}

.gradient-text {
    background: linear-gradient(135deg, #667eea 0%, #f093fb 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--text-light);
    margin-bottom: 10px;
    font-weight: 300;
}

.hero-desc {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 40px;
    font-style: italic;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    padding: 14px 32px;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    display: inline-block;
}

.btn-primary {
    background: var(--gradient-1);
    color: var(--text-light);
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.6);
}

.btn-secondary {
    background: transparent;
    color: var(--text-light);
    border: 2px solid rgba(255, 255, 255, 0.5);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.8);
}

/* Section */
.section {
    padding: 80px 0;
    background: var(--section-bg);
    transition: background-color 0.3s ease;
}

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

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 60px;
    position: relative;
    color: var(--text-color);
}

.section-dark .section-title {
    color: var(--text-light);
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: var(--gradient-1);
    margin: 20px auto 0;
    border-radius: 2px;
}

/* 协会简介预览 */
.about-preview-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}

.about-text p {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 20px;
}

.about-images {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.about-preview-img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 10px;
    box-shadow: var(--card-shadow);
}

/* 玩学用三部曲 */
.pla-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
}

.pla-card {
    background: var(--card-bg);
    padding: 40px;
    border-radius: 20px;
    box-shadow: var(--card-shadow);
    text-align: center;
    transition: all 0.3s ease;
}

.pla-card:hover {
    transform: translateY(-10px);
}

.pla-image {
    width: 100%;
    height: auto;
    max-height: 400px;
    object-fit: contain;
    margin-bottom: 20px;
}

.pla-card h3 {
    font-size: 2rem;
    margin-bottom: 10px;
}

.pla-card p {
    color: #666;
}

.dark-mode .pla-card p {
    color: rgba(255, 255, 255, 0.7);
}

/* 核心部门 */
.departments-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.department-card {
    background: var(--card-bg);
    padding: 40px;
    border-radius: 20px;
    box-shadow: var(--card-shadow);
    transition: all 0.3s ease;
    text-align: center;
}

.section-dark .department-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.department-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
}

.department-icon {
    font-size: 3.5rem;
    margin-bottom: 20px;
}

.department-card h3 {
    font-size: 1.4rem;
    margin-bottom: 15px;
    color: var(--text-color);
}

.department-card p {
    color: #666;
    line-height: 1.6;
}

/* 历史活动预览 */
.events-preview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.event-preview-card {
    background: var(--card-bg);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--card-shadow);
    transition: all 0.3s ease;
}

.event-preview-card:hover {
    transform: translateY(-10px);
}

.event-preview-img {
    width: 100%;
    height: 250px;
    object-fit: cover;
}

.event-preview-card h3 {
    font-size: 1.3rem;
    padding: 20px;
    margin-bottom: 10px;
    color: var(--text-color);
}

.event-preview-card p {
    padding: 0 20px 20px;
    color: #666;
}

/* 活动策划预览 */
.programs-preview {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.program-preview-card {
    background: var(--card-bg);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--card-shadow);
    display: flex;
    flex-direction: column;
}

.program-preview-img {
    width: 100%;
    height: 250px;
    object-fit: cover;
}

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

.program-preview-content h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: var(--text-color);
}

.program-preview-content p {
    color: #666;
    line-height: 1.6;
}

/* 特邀专家预览 */
.experts-preview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.expert-preview-card {
    background: var(--card-bg);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--card-shadow);
    text-align: center;
    padding: 30px;
}

.expert-preview-img {
    width: 200px;
    height: 250px;
    object-fit: cover;
    border-radius: 10px;
    margin: 0 auto 20px;
}

.expert-preview-card h3 {
    font-size: 1.2rem;
    margin-bottom: 10px;
    color: var(--text-color);
}

.expert-preview-card p {
    color: #666;
}

/* 合作伙伴 */
.partners-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    align-items: center;
}

.partner-logo {
    width: 100%;
    height: 100px;
    object-fit: contain;
    padding: 20px;
    border-radius: 10px;
    background: var(--card-bg);
    box-shadow: var(--card-shadow);
    transition: all 0.3s ease;
}

.partner-logo:hover {
    transform: scale(1.05);
}

/* Section CTA */
.section-cta {
    text-align: center;
    margin-top: 40px;
}

/* 页脚 */
.footer {
    background: #0A0A1A;
    color: rgba(255, 255, 255, 0.7);
    padding: 60px 0 30px;
}

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

.footer-logo-img {
    height: 60px;
    width: auto;
    object-fit: contain;
    margin-bottom: 20px;
}

.footer-logo p {
    font-size: 1.3rem;
    font-weight: 700;
    color: white;
    margin-bottom: 10px;
}

.footer-text {
    font-size: 1.1rem;
    margin-bottom: 10px;
}

.footer-slogan {
    font-style: italic;
    color: rgba(255, 255, 255, 0.6);
}

/* 页面头部 */
.page-header {
    background: var(--gradient-1);
    color: white;
    padding: 100px 0 60px;
    text-align: center;
}

.page-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.page-subtitle {
    font-size: 1.2rem;
    opacity: 0.9;
    font-style: italic;
}

/* 页面内容 */
.page-content {
    padding: 60px 0;
}

.content-title {
    font-size: 2rem;
    margin-bottom: 30px;
    color: var(--text-color);
    border-bottom: 3px solid var(--primary-color);
    padding-bottom: 10px;
}

.content-text {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 20px;
    color: var(--text-color);
}

/* 协会详情 */
.about-section {
    margin-bottom: 60px;
}

.about-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin: 30px 0;
}

.gallery-img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    border-radius: 10px;
    box-shadow: var(--card-shadow);
}

.pla-detail-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin: 30px 0;
}

.pla-detail-card {
    background: var(--card-bg);
    padding: 30px;
    border-radius: 15px;
    box-shadow: var(--card-shadow);
}

.pla-detail-img {
    width: 100%;
    height: 200px;
    object-fit: contain;
    margin-bottom: 20px;
}

.pla-detail-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--text-color);
}

.departments-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.department-item {
    background: var(--card-bg);
    padding: 25px;
    border-radius: 15px;
    display: flex;
    gap: 20px;
    align-items: flex-start;
    box-shadow: var(--card-shadow);
}

.department-item-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.department-item-content h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
    color: var(--text-color);
}

.department-item-content p {
    color: #666;
    line-height: 1.6;
}

.members-photo {
    margin: 30px 0;
}

.members-img {
    width: 100%;
    border-radius: 15px;
    box-shadow: var(--card-shadow);
}

.contact-info {
    background: var(--card-bg);
    padding: 30px;
    border-radius: 15px;
    box-shadow: var(--card-shadow);
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 15px;
    font-size: 1.1rem;
    margin-bottom: 15px;
}

.contact-icon {
    font-size: 1.5rem;
}

/* 活动详情 */
.event-detail {
    margin-bottom: 60px;
}

.event-title {
    font-size: 2rem;
    margin-bottom: 10px;
    color: var(--text-color);
}

.event-meta {
    color: var(--primary-color);
    font-weight: 500;
    margin-bottom: 20px;
    font-style: italic;
}

.event-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin: 30px 0;
}

.event-gallery-img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    border-radius: 10px;
    box-shadow: var(--card-shadow);
}

.event-description {
    line-height: 1.8;
    color: var(--text-color);
}

.event-description p {
    margin-bottom: 20px;
    font-size: 1.1rem;
}

.event-quote {
    font-size: 1.3rem;
    font-style: italic;
    color: var(--primary-color);
    margin-top: 30px;
    padding-left: 30px;
    border-left: 4px solid var(--primary-color);
}

.event-divider {
    border: none;
    border-top: 2px solid var(--border-color);
    margin: 60px 0;
}

/* 策划详情 */
.program-detail {
    margin-bottom: 60px;
}

.program-title {
    font-size: 2rem;
    margin-bottom: 20px;
    color: var(--text-color);
}

.program-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin: 30px 0;
}

.program-gallery-img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    border-radius: 10px;
    box-shadow: var(--card-shadow);
}

.program-gallery-img.single {
    max-width: 800px;
    margin: 0 auto;
}

.program-description {
    line-height: 1.8;
    color: var(--text-color);
}

.program-description p {
    margin-bottom: 20px;
    font-size: 1.1rem;
}

/* 特邀专家 */
.main-experts {
    display: flex;
    flex-direction: column;
    gap: 50px;
    margin-bottom: 60px;
}

.main-expert-card {
    display: flex;
    gap: 40px;
    align-items: flex-start;
    background: var(--card-bg);
    padding: 40px;
    border-radius: 20px;
    box-shadow: var(--card-shadow);
}

.main-expert-photo {
    flex-shrink: 0;
    width: 300px;
}

.main-expert-photo img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    border-radius: 15px;
}

.main-expert-info {
    flex: 1;
}

.main-expert-info h2 {
    font-size: 2rem;
    margin-bottom: 10px;
    color: var(--text-color);
}

.expert-title {
    font-size: 1.2rem;
    color: var(--primary-color);
    margin-bottom: 20px;
    font-weight: 500;
}

.expert-achievements {
    list-style: none;
    padding: 0;
}

.expert-achievements li {
    padding: 10px 0;
    border-bottom: 1px solid var(--border-color);
    font-size: 1.05rem;
    line-height: 1.6;
}

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

.other-expert-card {
    background: var(--card-bg);
    padding: 30px;
    border-radius: 15px;
    box-shadow: var(--card-shadow);
    text-align: center;
}

.other-expert-card img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    border-radius: 10px;
    margin-bottom: 20px;
}

.other-expert-card h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
    color: var(--text-color);
}

.expert-subtitle {
    color: #666;
}

/* 行业合作 */
.partnership-intro {
    text-align: center;
    margin-bottom: 50px;
}

.partnership-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-bottom: 50px;
}

.feature-box {
    background: var(--card-bg);
    padding: 35px;
    border-radius: 15px;
    box-shadow: var(--card-shadow);
}

.feature-box h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.feature-box p {
    line-height: 1.7;
    color: #666;
}

.cooperation-list {
    list-style: none;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-top: 20px;
}

.cooperation-list li {
    background: rgba(102, 126, 234, 0.1);
    color: var(--primary-color);
    padding: 10px 20px;
    border-radius: 20px;
    font-weight: 600;
}

.partnership-images {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 30px;
    margin-bottom: 50px;
}

.partnership-img {
    width: 100%;
    height: auto;
    max-height: 400px;
    object-fit: contain;
    border-radius: 15px;
    box-shadow: var(--card-shadow);
}

.partners-section {
    margin-bottom: 50px;
}

.icxr-info {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1), rgba(118, 75, 162, 0.1));
    padding: 40px;
    border-radius: 20px;
    border-left: 5px solid var(--primary-color);
    margin: 30px 0;
}

.icxr-info p {
    line-height: 1.8;
    font-size: 1.1rem;
}

.partners-logos {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 20px;
    margin-top: 30px;
}

.contact-cta-box {
    background: var(--gradient-1);
    color: white;
    padding: 60px 40px;
    border-radius: 20px;
    text-align: center;
}

.contact-cta-box h3 {
    font-size: 2rem;
    margin-bottom: 20px;
}

.contact-cta-box p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    opacity: 0.9;
}

/* 联系我们 */
.contact-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    margin-bottom: 50px;
}

.contact-info-large {
    background: var(--card-bg);
    padding: 40px;
    border-radius: 20px;
    box-shadow: var(--card-shadow);
}

.contact-intro {
    font-size: 1.2rem;
    line-height: 1.8;
    margin-bottom: 30px;
}

.contact-details-large {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.contact-item-large {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    padding: 20px;
    background: rgba(102, 126, 234, 0.05);
    border-radius: 15px;
}

.contact-icon-large {
    font-size: 2.5rem;
    flex-shrink: 0;
}

.contact-text-large h3 {
    font-size: 1.3rem;
    margin-bottom: 5px;
    color: var(--text-color);
}

.contact-text-large p {
    color: #666;
}

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

.contact-gallery-img {
    width: 100%;
    height: auto;
    max-height: 400px;
    object-fit: contain;
    border-radius: 15px;
    box-shadow: var(--card-shadow);
}

.contact-cta-full {
    background: var(--gradient-1);
    color: white;
    padding: 60px 40px;
    border-radius: 20px;
    text-align: center;
}

.contact-cta-full h2 {
    font-size: 2rem;
    margin-bottom: 15px;
}

.contact-cta-full p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    opacity: 0.9;
}

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

/* 响应式设计 */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.2rem;
    }

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

    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--nav-bg);
        flex-direction: column;
        padding: 20px;
        gap: 10px;
        transform: translateY(-100%);
        opacity: 0;
        transition: all 0.3s ease;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    }

    .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, -7px);
    }

    .about-preview-content,
    .contact-section {
        grid-template-columns: 1fr;
    }

    .main-expert-card {
        flex-direction: column;
        gap: 30px;
    }

    .main-expert-photo {
        width: 100%;
    }

    .main-expert-photo img {
        height: 300px;
    }

    .features-grid,
    .departments-grid,
    .events-preview-grid,
    .programs-preview,
    .experts-preview-grid,
    .partners-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    .hero-buttons,
    .cta-buttons {
        flex-direction: column;
        width: 100%;
    }

    .btn {
        width: 100%;
        text-align: center;
    }

    .nav-logo span {
        display: none;
    }

    .main-experts,
    .other-experts-grid {
        gap: 30px;
    }
}