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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #333;
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 25%, #667eea 50%, #764ba2 75%, #f093fb 100%);
    min-height: 100vh;
}

/* 导航栏样式 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    z-index: 1000;
    transition: all 0.3s ease;
}

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

.nav-logo {
    display: flex;
    align-items: center;
    height: 100%;
}

.logo-main {
    height: 50px;
    width: auto;
    transition: all 0.3s ease;
    filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.1));
}

.logo-main:hover {
    transform: scale(1.05);
    filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.15));
}

.nav-menu {
    display: flex;
    gap: 30px;
}

.nav-link {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: #667eea;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    transition: width 0.3s ease;
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: #333;
    margin: 3px 0;
    transition: 0.3s;
}

/* 主要内容区域 */
.main-content {
    margin-top: 70px;
}

/* 英雄区域 */
.hero-section {
    padding: 120px 20px;
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 80px;
    align-items: center;
    min-height: 90vh;
    position: relative;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: -1;
}

.hero-gradient {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 25%, #667eea 50%, #764ba2 75%, #f093fb 100%);
    opacity: 0.95;
}

.hero-particles {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 80%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(255, 255, 255, 0.05) 0%, transparent 50%);
    animation: particles 20s ease-in-out infinite;
}

@keyframes particles {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(180deg); }
}

.hero-content {
    animation: fadeInUp 1s ease-out;
    z-index: 2;
}

.hero-logo {
    margin-bottom: 30px;
    text-align: left;
}

.hero-logo-img {
    height: 80px;
    width: auto;
    filter: drop-shadow(0 8px 25px rgba(0, 0, 0, 0.2));
    animation: logoFloat 3s ease-in-out infinite;
}

@keyframes logoFloat {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-5px); }
}


.hero-title {
    font-size: 4.5rem;
    font-weight: 800;
    margin-bottom: 25px;
    line-height: 1.1;
    display: flex;
    flex-direction: column;
}

.title-highlight {
    background: linear-gradient(135deg, #ff6b6b, #ffa726);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: 0.7em;
    font-weight: 600;
    margin-bottom: 5px;
}

.title-main {
    color: white;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: 1.3rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 40px;
    font-weight: 300;
    line-height: 1.6;
    max-width: 500px;
}

.hero-stats {
    display: flex;
    gap: 40px;
    margin-bottom: 50px;
}

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

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: white;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    margin-bottom: 5px;
}

.stat-label {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.8);
    font-weight: 500;
}

.hero-actions {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    border: none;
    padding: 18px 36px;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.cta-button.primary {
    background: linear-gradient(135deg, #ff6b6b, #ee5a24);
    color: white;
    box-shadow: 0 12px 35px rgba(255, 107, 107, 0.4);
}

.cta-button.secondary {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.3);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.cta-button:hover {
    transform: translateY(-3px);
}

.cta-button.primary:hover {
    box-shadow: 0 20px 50px rgba(255, 107, 107, 0.5);
    background: linear-gradient(135deg, #ee5a24, #ff6b6b);
}

.cta-button.secondary:hover {
    background: rgba(255, 255, 255, 0.25);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
}

.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    animation: fadeInRight 1s ease-out;
    position: relative;
    z-index: 2;
}

.floating-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(25px);
    border-radius: 25px;
    padding: 25px;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.2);
    animation: float 6s ease-in-out infinite;
    position: relative;
}

.video-preview {
    width: 280px;
    height: 160px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.video-thumbnail {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.play-button {
    animation: pulse 2s infinite;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.3));
}

.video-overlay-text {
    position: absolute;
    bottom: 15px;
    left: 15px;
    right: 15px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: white;
    font-size: 0.9rem;
    font-weight: 500;
}

.video-title {
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}

.video-duration {
    background: rgba(0, 0, 0, 0.6);
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 0.8rem;
}

.video-controls-preview {
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 6px;
}

.control-dot {
    width: 8px;
    height: 8px;
    background: rgba(255, 255, 255, 0.6);
    border-radius: 50%;
    animation: dotPulse 2s infinite;
}

.control-dot:nth-child(2) {
    animation-delay: 0.2s;
}

.control-dot:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes dotPulse {
    0%, 100% { opacity: 0.6; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.2); }
}

.floating-elements {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
}

.floating-element {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    animation: floatElement 8s ease-in-out infinite;
}

.element-1 {
    width: 60px;
    height: 60px;
    top: 20%;
    right: 10%;
    animation-delay: 0s;
}

.element-2 {
    width: 40px;
    height: 40px;
    top: 60%;
    right: 20%;
    animation-delay: 2s;
}

.element-3 {
    width: 80px;
    height: 80px;
    top: 40%;
    right: 5%;
    animation-delay: 4s;
}

@keyframes floatElement {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-30px) rotate(180deg); }
}

/* 视频区域 */
.videos-section {
    background: rgba(255, 255, 255, 0.95);
    padding: 80px 20px;
    margin: 50px 0;
    border-radius: 30px 30px 0 0;
}

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

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, #667eea, #764ba2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 15px;
}

.section-header p {
    color: #666;
    font-size: 1.1rem;
}

/* 加载状态 */
.loading-container {
    text-align: center;
    padding: 60px 0;
}

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 4px solid #f3f3f3;
    border-top: 4px solid #667eea;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 20px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* 视频播放器容器 */
.video-player-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 30px;
    margin-bottom: 60px;
}

.video-player-wrapper {
    position: relative;
    width: 100%;
    max-width: 800px;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
    background: #000;
}

#main-video {
    width: 100%;
    height: auto;
    min-height: 450px;
    display: block;
    background: #000;
}

.video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.video-overlay.hidden {
    opacity: 0;
    pointer-events: none;
}

.play-button-large {
    margin-bottom: 20px;
    transition: transform 0.3s ease;
}

.play-button-large:hover {
    transform: scale(1.1);
}

.video-overlay h3 {
    color: white;
    font-size: 1.5rem;
    font-weight: 600;
    text-align: center;
    margin: 0;
}

/* 视频控制按钮 */
.video-controls {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
    justify-content: center;
    max-width: 600px;
    margin: 0 auto;
}

.control-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    border: none;
    padding: 14px 26px;
    border-radius: 30px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.3);
    position: relative;
    overflow: hidden;
}

.control-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.control-btn:hover::before {
    left: 100%;
}

.control-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 30px rgba(102, 126, 234, 0.4);
    background: linear-gradient(135deg, #764ba2, #667eea);
}

.control-btn:active {
    transform: translateY(-1px);
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

.btn-icon {
    width: 20px;
    height: 20px;
    transition: transform 0.3s ease;
}

.control-btn:hover .btn-icon {
    transform: scale(1.1);
}

/* 特殊按钮样式 */
.control-btn:nth-child(1) {
    background: linear-gradient(135deg, #ff6b6b, #ee5a24);
    box-shadow: 0 6px 20px rgba(255, 107, 107, 0.3);
}

.control-btn:nth-child(1):hover {
    background: linear-gradient(135deg, #ee5a24, #ff6b6b);
    box-shadow: 0 12px 30px rgba(255, 107, 107, 0.4);
}

.control-btn:nth-child(2) {
    background: linear-gradient(135deg, #2ecc71, #27ae60);
    box-shadow: 0 6px 20px rgba(46, 204, 113, 0.3);
}

.control-btn:nth-child(2):hover {
    background: linear-gradient(135deg, #27ae60, #2ecc71);
    box-shadow: 0 12px 30px rgba(46, 204, 113, 0.4);
}

.control-btn:nth-child(3) {
    background: linear-gradient(135deg, #3498db, #2980b9);
    box-shadow: 0 6px 20px rgba(52, 152, 219, 0.3);
}

.control-btn:nth-child(3):hover {
    background: linear-gradient(135deg, #2980b9, #3498db);
    box-shadow: 0 12px 30px rgba(52, 152, 219, 0.4);
}

.control-btn:nth-child(4) {
    background: linear-gradient(135deg, #f39c12, #e67e22);
    box-shadow: 0 6px 20px rgba(243, 156, 18, 0.3);
}

.control-btn:nth-child(4):hover {
    background: linear-gradient(135deg, #e67e22, #f39c12);
    box-shadow: 0 12px 30px rgba(243, 156, 18, 0.4);
}

.control-btn:nth-child(5) {
    background: linear-gradient(135deg, #9b59b6, #8e44ad);
    box-shadow: 0 6px 20px rgba(155, 89, 182, 0.3);
}

.control-btn:nth-child(5):hover {
    background: linear-gradient(135deg, #8e44ad, #9b59b6);
    box-shadow: 0 12px 30px rgba(155, 89, 182, 0.4);
}

/* 视频信息显示 */
.video-info-display {
    text-align: center;
    margin-top: 30px;
    padding: 25px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95), rgba(255, 255, 255, 0.85));
    border-radius: 20px;
    backdrop-filter: blur(15px);
    border: 1px solid rgba(102, 126, 234, 0.2);
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.1);
    position: relative;
    overflow: hidden;
}

.video-info-display::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(135deg, #667eea, #764ba2, #ff6b6b);
    border-radius: 20px 20px 0 0;
}

.video-counter {
    font-size: 2.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, #667eea, #764ba2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 8px;
    line-height: 1;
}

.video-counter-label {
    font-size: 1rem;
    font-weight: 500;
    color: #666;
    margin-bottom: 20px;
    opacity: 0.8;
}

.video-title-display {
    font-size: 1.1rem;
    font-weight: 500;
    color: #333;
    line-height: 1.4;
    margin-bottom: 20px;
    padding: 12px 20px;
    background: rgba(102, 126, 234, 0.1);
    border-radius: 25px;
    border: 1px solid rgba(102, 126, 234, 0.2);
    display: inline-block;
}

/* 观看进度条 */
.watch-progress {
    width: 100%;
    height: 16px;
    background: rgba(102, 126, 234, 0.15);
    border-radius: 8px;
    overflow: hidden;
    margin-top: 15px;
    position: relative;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.1);
    /* 添加100个单位的背景网格，每5个单位一个主要标记 */
    background-image: 
        linear-gradient(90deg, rgba(102, 126, 234, 0.2) 1px, transparent 1px),
        linear-gradient(90deg, rgba(102, 126, 234, 0.4) 1px, transparent 1px);
    background-size: 1% 100%, 5% 100%;
    background-repeat: repeat-x, repeat-x;
    background-position: 0 0, 0 0;
}

.watch-progress-bar {
    height: 100%;
    background: linear-gradient(135deg, #667eea, #764ba2, #ff6b6b);
    border-radius: 6px;
    transition: width 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    width: 0%;
    position: relative;
    overflow: hidden;
}

.watch-progress-bar::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    animation: shimmer 2s infinite;
}


@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

/* 完成状态样式 */
.video-info-display.completed {
    background: linear-gradient(135deg, rgba(46, 204, 113, 0.1), rgba(39, 174, 96, 0.1));
    border-color: rgba(46, 204, 113, 0.3);
}

.video-info-display.completed .video-counter {
    background: linear-gradient(135deg, #2ecc71, #27ae60);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.video-info-display.completed .video-title-display {
    background: rgba(46, 204, 113, 0.1);
    border-color: rgba(46, 204, 113, 0.2);
    color: #27ae60;
}

.video-info-display.completed .watch-progress-bar {
    background: linear-gradient(135deg, #2ecc71, #27ae60);
}

/* 加载更多按钮 */
.load-more-container {
    text-align: center;
}

.load-more-btn {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    border: none;
    padding: 15px 40px;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.3);
}

.load-more-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(102, 126, 234, 0.4);
}

/* 关于区域 */
.about-section {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    padding: 80px 20px;
    margin: 50px 0;
    border-radius: 30px;
}

.about-content {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.about-logo {
    margin-bottom: 40px;
}

.about-logo-img {
    height: 100px;
    width: auto;
    filter: drop-shadow(0 10px 30px rgba(0, 0, 0, 0.3));
    transition: transform 0.3s ease;
}

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

.about-content h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: white;
    margin-bottom: 20px;
}

.about-content p {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 60px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

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

.feature {
    background: rgba(255, 255, 255, 0.1);
    padding: 40px 30px;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.feature:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.15);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.feature h3 {
    font-size: 1.3rem;
    font-weight: 600;
    color: white;
    margin-bottom: 15px;
}

.feature p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1rem;
    margin: 0;
}

/* 视频模态框 */
.video-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    z-index: 2000;
    animation: fadeIn 0.3s ease;
}

.modal-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: white;
    border-radius: 20px;
    width: 90%;
    max-width: 800px;
    max-height: 90vh;
    overflow: hidden;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    border-bottom: 1px solid #eee;
}

.modal-header h3 {
    margin: 0;
    color: #333;
}

.close-btn {
    background: none;
    border: none;
    font-size: 2rem;
    cursor: pointer;
    color: #666;
    transition: color 0.3s ease;
}

.close-btn:hover {
    color: #333;
}

.modal-body {
    padding: 0;
}

.modal-body video {
    width: 100%;
    height: auto;
    max-height: 60vh;
}

/* 页脚 */
.footer {
    background: rgba(0, 0, 0, 0.8);
    color: white;
    text-align: center;
    padding: 40px 20px;
}

.footer-content p {
    margin: 0;
    opacity: 0.8;
}

/* 动画 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .hero-section {
        grid-template-columns: 1fr;
        text-align: center;
        padding: 80px 20px;
        gap: 50px;
    }
    
    .hero-title {
        font-size: 3rem;
    }
    
    .hero-stats {
        justify-content: center;
        gap: 30px;
    }
    
    .hero-actions {
        justify-content: center;
    }
    
    .floating-card {
        margin: 0 auto;
    }
    
    .video-preview {
        width: 240px;
        height: 140px;
    }
    
    .hero-logo-img {
        height: 60px;
    }
    
    .about-logo-img {
        height: 80px;
    }
    
    .logo-main {
        height: 40px;
    }
    
    .video-player-wrapper {
        max-width: 95%;
    }
    
    #main-video {
        min-height: 300px;
    }
    
    .video-controls {
        gap: 15px;
    }
    
    .control-btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }
    
    .features {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .modal-content {
        width: 95%;
        margin: 20px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .about-content h2 {
        font-size: 2rem;
    }
}