/* 全局样式 */
:root {
    --primary-bg: #F7F7F7;
    --secondary-text: #2B2B2B;
    --accent-color: #E85D04;
    --divider-color: #E0E0E0;
    --white: #FFFFFF;
    --shadow: 0px 4px 12px rgba(0,0,0,0.08);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--primary-bg);
    color: var(--secondary-text);
    line-height: 1.6;
    overflow-x: hidden;
}

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

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(247, 247, 247, 0.8);
    backdrop-filter: blur(8px);
    z-index: 1000;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    background: rgba(247, 247, 247, 0.95);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
}

.logo {
    font-size: 24px;
    font-weight: 600;
    color: var(--secondary-text);
    text-decoration: none;
    transition: transform 0.3s ease;
}

.logo:hover {
    transform: rotate(5deg);
}

.nav-links {
    display: flex;
    gap: 30px;
    align-items: center;
}

.nav-links a {
    color: var(--secondary-text);
    text-decoration: none;
    font-weight: 400;
    transition: color 0.3s ease;
}

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

.nav-links a.active {
    color: var(--accent-color);
    font-weight: 500;
}

.contact-btn {
    background-color: var(--accent-color);
    color: var(--white);
    padding: 8px 16px;
    border-radius: 4px;
    font-weight: 500;
    transition: background-color 0.3s ease;
}

.contact-btn:hover {
    background-color: #D94B00;
    color: var(--white);
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    cursor: pointer;
}

.menu-toggle span {
    width: 24px;
    height: 2px;
    background-color: var(--secondary-text);
    transition: all 0.3s ease;
}

/* Hero Section */
.hero {
    padding: 120px 0 80px;
    background-color: var(--primary-bg);
    position: relative;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('https://trae-api-cn.mchost.guru/api/ide/v1/text_to_image?prompt=workspace%20with%20camera%20and%20computer%2C%20blurred%20background%2C%20soft%20lighting&image_size=landscape_16_9');
    background-size: cover;
    background-position: center;
    filter: blur(8px);
    opacity: 0.1;
    z-index: 0;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIzMDAiIGhlaWdodD0iMzAwIj48ZmlsdGVyIGlkPSJhIiB4PSIwIiB5PSIwIj48ZmVUdXJidWxlbmNlIGJhc2VGcmVxdWVuY3k9Ii43NSIgc3RpdGNoVGlsZXM9InN0aXRjaCIgdHlwZT0iZnJhY3RhbE5vaXNlIi8+PGZlQ29sb3JNYXRyaXggdHlwZT0ic2F0dXJhdGUiIHZhbHVlcz0iMCIvPjwvZmlsdGVyPjxwYXRoIGQ9Ik0wIDBoMzAwdjMwMEgweiIgZmlsdGVyPSJ1cmwoI2EpIiBvcGFjaXR5PSIuMDUiLz48L3N2Zz4=');
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-text h1 {
    font-size: 64px;
    font-weight: 600;
    line-height: 1.1;
    margin-bottom: 20px;
}

.hero-text .accent {
    color: var(--accent-color);
}

.hero-subtitle {
    font-size: 24px;
    font-weight: 500;
    margin-bottom: 16px;
}

.hero-description {
    font-size: 16px;
    color: #666;
}

.hero-image img {
    width: 100%;
    height: auto;
    border-radius: 16px;
    box-shadow: var(--shadow);
}

/* 案例预览 */
.work-preview {
    padding: 80px 0;
}

.work-preview h2 {
    font-size: 32px;
    font-weight: 500;
    margin-bottom: 40px;
    text-align: center;
}

.work-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 40px;
}

.work-card {
    background-color: var(--white);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    cursor: pointer;
}

.work-card:hover {
    transform: translateY(-5px) scale(1.02);
    box-shadow: 0px 8px 24px rgba(0,0,0,0.12);
}

.work-card-image {
    position: relative;
    padding-top: 56.25%; /* 16:9 比例 */
    overflow: hidden;
}

.work-card-image img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.work-card:hover .work-card-image img {
    transform: scale(1.05);
}

.work-card-content {
    padding: 20px;
}

.work-card-content h3 {
    font-size: 18px;
    font-weight: 500;
    margin-bottom: 8px;
}

.work-card-content p {
    font-size: 14px;
    color: #666;
}

.work-card-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
    color: white;
    font-size: 16px;
    font-weight: 500;
}

.work-card:hover .work-card-overlay {
    opacity: 1;
}

/* 弹窗样式 */
.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.3s ease;
}

.modal-overlay.active {
    display: flex;
}

.modal-content {
    background: var(--white);
    border-radius: 16px;
    max-width: 800px;
    width: 90%;
    max-height: 85vh;
    overflow-y: auto;
    position: relative;
    animation: slideUp 0.3s ease;
}

.modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 40px;
    height: 40px;
    border: none;
    background: rgba(0, 0, 0, 0.1);
    border-radius: 50%;
    font-size: 24px;
    cursor: pointer;
    color: #666;
    transition: all 0.3s ease;
    z-index: 10;
}

.modal-close:hover {
    background: rgba(0, 0, 0, 0.2);
    color: #000;
}

.modal-body {
    padding: 40px 32px;
}

.modal-body h2 {
    font-size: 28px;
    font-weight: 600;
    margin-bottom: 32px;
    color: var(--secondary-text);
}

.case-section {
    margin-bottom: 24px;
}

.case-section h3 {
    font-size: 18px;
    font-weight: 500;
    color: var(--accent-color);
    margin-bottom: 12px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--divider-color);
}

.case-section p {
    font-size: 16px;
    line-height: 1.6;
    color: #555;
}

.case-gallery {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-top: 32px;
}

.gallery-item {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    cursor: pointer;
    aspect-ratio: 16/9;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.gallery-item:hover img {
    transform: scale(1.05);
}

.gallery-item::after {
    content: '点击查看作品';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 12px;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.7));
    color: white;
    font-size: 12px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.gallery-item:hover::after {
    opacity: 1;
}

/* 视频选择器样式 */
.video-selector {
    margin-bottom: 24px;
}

.video-selector h3 {
    font-size: 18px;
    font-weight: 500;
    color: var(--accent-color);
    margin-bottom: 16px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--divider-color);
}

.video-options {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    justify-content: flex-start;
}

.video-option {
    flex: 0 0 calc(25% - 9px);
    min-width: 120px;
    max-width: 180px;
    background: var(--primary-bg);
    border: 2px solid transparent;
    border-radius: 8px;
    padding: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
}

.video-option:hover {
    border-color: var(--accent-color);
    background: rgba(232, 93, 4, 0.05);
}

.video-option.active {
    border-color: var(--accent-color);
    background: rgba(232, 93, 4, 0.1);
}

.video-option img {
    width: 100%;
    height: 80px;
    object-fit: cover;
    border-radius: 4px;
}

.video-option span {
    font-size: 14px;
    font-weight: 500;
    color: var(--secondary-text);
}

/* 视频播放器样式 */
.video-player-container {
    margin-bottom: 24px;
}

.video-player {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    aspect-ratio: 16/9;
    background: #000;
}

.video-player img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.play-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.4);
    cursor: pointer;
    transition: background 0.3s ease;
}

.play-overlay:hover {
    background: rgba(0, 0, 0, 0.6);
}

.play-icon {
    width: 80px;
    height: 80px;
    background: var(--accent-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 32px;
    padding-left: 8px;
    transition: transform 0.3s ease;
}

.play-overlay:hover .play-icon {
    transform: scale(1.1);
}

.video-info {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 12px 16px;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    color: white;
    font-size: 14px;
}

.video-info-section {
    margin-top: 16px;
}

/* 海报选择器样式 */
.poster-selector {
    margin-bottom: 24px;
}

.poster-selector h3 {
    font-size: 18px;
    font-weight: 500;
    color: var(--accent-color);
    margin-bottom: 16px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--divider-color);
}

.poster-options {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.poster-option {
    flex: 1;
    min-width: 180px;
    max-width: 200px;
    background: var(--primary-bg);
    border: 2px solid transparent;
    border-radius: 8px;
    padding: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.poster-option:hover {
    border-color: var(--accent-color);
    background: rgba(232, 93, 4, 0.05);
}

.poster-option.active {
    border-color: var(--accent-color);
    background: rgba(232, 93, 4, 0.1);
}

.poster-option img {
    width: 100%;
    height: 100px;
    object-fit: cover;
    border-radius: 4px;
}

.poster-option span {
    font-size: 14px;
    font-weight: 500;
    color: var(--secondary-text);
}

/* 海报展示区域样式 */
.poster-viewer-container {
    margin-bottom: 24px;
}

.poster-viewer {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    background: #f0f0f0;
}

.poster-viewer img {
    width: 100%;
    height: auto;
    display: block;
    transition: opacity 0.3s ease;
}

.poster-info {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 12px 16px;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    color: white;
    font-size: 14px;
}

/* 全屏图片查看器 */
.image-viewer-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    z-index: 2000;
    align-items: center;
    justify-content: center;
}

.image-viewer-overlay.active {
    display: flex;
}

.image-viewer-overlay img {
    max-width: 90%;
    max-height: 90%;
    object-fit: contain;
    border-radius: 8px;
    animation: zoomIn 0.3s ease;
}

.image-viewer-close {
    position: absolute;
    top: 24px;
    right: 24px;
    width: 48px;
    height: 48px;
    border: none;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    font-size: 32px;
    cursor: pointer;
    color: white;
    transition: all 0.3s ease;
}

.image-viewer-close:hover {
    background: rgba(255, 255, 255, 0.2);
}

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

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

@keyframes zoomIn {
    from { 
        opacity: 0;
        transform: scale(0.9);
    }
    to { 
        opacity: 1;
        transform: scale(1);
    }
}

.view-all-btn {
    display: block;
    text-align: center;
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 500;
    padding: 12px;
    border: 1px solid var(--accent-color);
    border-radius: 4px;
    transition: all 0.3s ease;
    max-width: 200px;
    margin: 0 auto;
}

.view-all-btn:hover {
    background-color: var(--accent-color);
    color: var(--white);
}

/* Work列表页 */
.work-list {
    padding: 120px 0 80px;
}

.work-list h1 {
    font-size: 48px;
    font-weight: 600;
    margin-bottom: 60px;
    text-align: center;
}

/* About页面 */
.about {
    padding: 120px 0 80px;
}

.about h1 {
    font-size: 48px;
    font-weight: 600;
    margin-bottom: 60px;
    text-align: center;
}

.skills-section,
.timeline-section,
.recent-section {
    margin-bottom: 80px;
}

.about h2 {
    font-size: 24px;
    font-weight: 500;
    margin-bottom: 30px;
}

.skill-cloud {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-evenly;
    align-items: center;
    gap: 20px;
    padding: 30px;
    background-color: var(--white);
    border-radius: 16px;
    box-shadow: var(--shadow);
}

.skill-tag {
    padding: 8px 16px;
    border-radius: 20px;
    background-color: var(--primary-bg);
    font-size: 14px;
    font-weight: 400;
    transition: all 0.3s ease;
}

.skill-tag:hover {
    background-color: var(--accent-color);
    color: var(--white);
    transform: translateY(-2px);
}

.skill-level-5 {
    font-size: 18px;
    font-weight: 500;
}

.skill-level-4 {
    font-size: 16px;
    font-weight: 500;
}

.skill-level-3 {
    font-size: 14px;
    font-weight: 400;
}

.timeline {
    position: relative;
    padding-left: 40px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 10px;
    top: 0;
    bottom: 0;
    width: 2px;
    background-color: var(--divider-color);
}

.timeline-item {
    position: relative;
    margin-bottom: 40px;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -40px;
    top: 6px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background-color: var(--accent-color);
}

.timeline-date {
    font-size: 14px;
    color: var(--accent-color);
    font-weight: 500;
    margin-bottom: 8px;
}

.timeline-content h3 {
    font-size: 18px;
    font-weight: 500;
    margin-bottom: 8px;
}

.timeline-content p {
    font-size: 14px;
    color: #666;
}

.recent-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.recent-card {
    background-color: var(--white);
    border-radius: 16px;
    padding: 20px;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease;
}

.recent-card:hover {
    transform: translateY(-5px);
}

.recent-card h3 {
    font-size: 16px;
    font-weight: 500;
    margin-bottom: 16px;
}

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

.recent-item img {
    width: 100px;
    height: 100px;
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 12px;
}

.recent-item p {
    font-size: 14px;
    color: #666;
}

.workflow-card {
    background-color: var(--white);
    border-radius: 16px;
    padding: 30px;
    box-shadow: var(--shadow);
    text-align: center;
    margin-top: 40px;
}

.workflow-card h3 {
    font-size: 20px;
    font-weight: 500;
    margin-bottom: 12px;
}

.workflow-card p {
    font-size: 16px;
    color: #666;
    margin-bottom: 24px;
}

.workflow-video {
    position: relative;
    width: 200px;
    height: 200px;
    margin: 0 auto;
    cursor: pointer;
}

.workflow-video img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 8px;
}

.play-button {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 60px;
    background-color: rgba(232, 93, 4, 0.8);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 24px;
    transition: all 0.3s ease;
}

.workflow-video:hover .play-button {
    transform: translate(-50%, -50%) scale(1.1);
    background-color: rgba(232, 93, 4, 1);
}

/* Footer */
.footer {
    padding: 40px 0;
    border-top: 1px solid var(--divider-color);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.status-indicator {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: #999;
    transition: all 0.3s ease;
}

.status-dot.active {
    background-color: var(--accent-color);
    box-shadow: 0 0 8px var(--accent-color);
}

.social-links {
    display: flex;
    gap: 20px;
}

.social-links a {
    color: var(--secondary-text);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s ease;
}

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

.phone-link, .email-link {
    position: relative;
}

.phone-link::after {
    content: '15111843216';
    position: absolute;
    bottom: -30px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--secondary-text);
    color: var(--white);
    padding: 6px 12px;
    border-radius: 4px;
    font-size: 12px;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 100;
}

.email-link::after {
    content: '2275014160@qq.com';
    position: absolute;
    bottom: -30px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--secondary-text);
    color: var(--white);
    padding: 6px 12px;
    border-radius: 4px;
    font-size: 12px;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 100;
}

.phone-link:hover::after, .email-link:hover::after {
    opacity: 1;
    visibility: visible;
}

.phone-link::before, .email-link::before {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 50%;
    transform: translateX(-50%) rotate(45deg);
    width: 10px;
    height: 10px;
    background: var(--secondary-text);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.phone-link:hover::before, .email-link:hover::before {
    opacity: 1;
    visibility: visible;
}

.copyright {
    font-size: 14px;
    color: #666;
}

/* 留言板样式 */
.message-board {
    padding: 80px 0;
    background: var(--white);
    margin-top: 60px;
}

.message-board h2 {
    font-size: 32px;
    font-weight: 600;
    text-align: center;
    margin-bottom: 10px;
}

.section-desc {
    text-align: center;
    color: #666;
    margin-bottom: 40px;
    font-size: 16px;
}

.message-form {
    max-width: 700px;
    margin: 0 auto;
    background: var(--primary-bg);
    padding: 40px;
    border-radius: 12px;
    box-shadow: var(--shadow);
}

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

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

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--divider-color);
    border-radius: 8px;
    font-size: 14px;
    font-family: inherit;
    transition: all 0.3s ease;
    background: var(--white);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(232, 93, 4, 0.1);
}

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

.submit-btn {
    width: 100%;
    padding: 14px 32px;
    background: var(--accent-color);
    color: var(--white);
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.submit-btn:hover {
    background: #d14e00;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(232, 93, 4, 0.3);
}

.success-message {
    max-width: 700px;
    margin: 20px auto 0;
    padding: 20px;
    background: #e8f5e9;
    border: 2px solid #4caf50;
    border-radius: 8px;
    text-align: center;
}

.success-icon {
    display: inline-block;
    width: 40px;
    height: 40px;
    background: #4caf50;
    color: white;
    border-radius: 50%;
    line-height: 40px;
    font-size: 20px;
    margin-bottom: 10px;
}

.success-message p {
    color: #2e7d32;
    font-size: 16px;
    margin: 0;
}

/* 响应式适配 */
@media (max-width: 768px) {
    .message-board {
        padding: 60px 0;
    }
    
    .message-board h2 {
        font-size: 24px;
    }
    
    .message-form {
        padding: 24px;
        margin: 0 16px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: 0;
    }
}

/* 悬浮CTA按钮 */
.floating-cta {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 999;
}

.floating-cta a {
    display: block;
    background-color: var(--accent-color);
    color: var(--white);
    padding: 16px 24px;
    border-radius: 30px;
    font-weight: 500;
    text-decoration: none;
    box-shadow: 0px 4px 12px rgba(232, 93, 4, 0.4);
    transition: all 0.3s ease;
}

.floating-cta a:hover {
    transform: translateY(-5px);
    box-shadow: 0px 8px 24px rgba(232, 93, 4, 0.6);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        background-color: var(--white);
        flex-direction: column;
        padding: 20px;
        box-shadow: 0 4px 12px rgba(0,0,0,0.1);
        transform: translateY(-100%);
        opacity: 0;
        transition: all 0.3s ease;
        pointer-events: none;
    }

    .nav-links.active {
        transform: translateY(0);
        opacity: 1;
        pointer-events: all;
    }

    .menu-toggle {
        display: flex;
    }

    .hero-content {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }

    .hero-text h1 {
        font-size: 36px;
    }

    .work-grid,
    .recent-grid {
        grid-template-columns: 1fr;
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
    }

    .floating-cta {
        bottom: 20px;
        right: 20px;
    }

    .floating-cta a {
        padding: 12px 20px;
        font-size: 14px;
    }

    .work-list h1,
    .about h1 {
        font-size: 32px;
    }

    .skill-cloud {
        justify-content: space-evenly;
    }
}

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

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* 滚动视差效果 */
.parallax {
    background-attachment: fixed;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
}