/* 基础样式 */
:root {
    --primary-color: #6c63ff;
    --secondary-color: #f50057;
    --xiaohongshu-color: #fe2c55;
    --dark-color: #333;
    --light-color: #f4f4f4;
    --success-color: #28a745;
    --danger-color: #dc3545;
    --box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
    scroll-snap-type: y mandatory;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--dark-color);
    background-color: #fff;
    overflow-x: hidden;
}

ul {
    list-style: none;
}

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

img {
    max-width: 100%;
}

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

.btn {
    display: inline-block;
    padding: 12px 30px;
    border: none;
    cursor: pointer;
    border-radius: 5px;
    font-weight: 600;
    transition: var(--transition);
}

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

.primary-btn:hover {
    background-color: #5a52d5;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(108, 99, 255, 0.4);
}

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

.secondary-btn:hover {
    background-color: var(--primary-color);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(108, 99, 255, 0.4);
}

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

.section-header h2 {
    font-size: 36px;
    margin-bottom: 15px;
    position: relative;
    display: inline-block;
    color: #fff;
}

.section-header h2::after {
    content: '';
    position: absolute;
    width: 50%;
    height: 3px;
    background-color: var(--primary-color);
    bottom: -10px;
    left: 25%;
}

.section-header p {
    color: #ddd;
    font-size: 18px;
}

section {
    padding: 100px 0;
}

/* 全屏页面样式 */
.fullpage-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 80px 0;
    scroll-snap-align: start;
    opacity: 0.8;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fullpage-section.active {
    opacity: 1;
    transform: translateY(0);
}

/* 头部导航 */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
    box-shadow: var(--box-shadow);
    z-index: 1000;
    padding: 20px 0;
    transition: var(--transition);
}

header.sticky {
    padding: 15px 0;
    background-color: rgba(0, 0, 0, 0.7);
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: transparent;
    backdrop-filter: none;
}

.logo a {
    font-size: 28px;
    font-weight: 700;
    color: #fff;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
}

nav ul {
    display: flex;
}

nav ul li {
    margin-left: 30px;
}

nav ul li a {
    font-weight: 600;
    transition: var(--transition);
    color: #fff;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.7);
}

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

.menu-toggle {
    display: none;
    font-size: 24px;
    cursor: pointer;
    color: #fff;
}

/* 主页横幅 */
.hero {
    padding-top: 0;
    padding-bottom: 0;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: transparent;
    text-align: center;
}

.hero .container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    max-width: 800px;
}

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

.hero-image {
    margin-bottom: 30px;
}

.profile-avatar {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid rgba(255, 255, 255, 0.3);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.3);
    margin-bottom: 30px;
    transition: transform 0.5s ease, box-shadow 0.5s ease;
}

.profile-avatar:hover {
    transform: scale(1.05);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.4);
}

.hero-title {
    font-size: 72px;
    font-weight: 700;
    margin-bottom: 10px;
    color: #fff;
    text-shadow: 3px 3px 6px rgba(0, 0, 0, 0.8);
}

.hero-subtitle {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--primary-color);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
}

.hero-intro {
    font-size: 18px;
    max-width: 600px;
    margin: 0 auto 30px;
    line-height: 1.6;
    color: #fff;
}

.hero-buttons {
    display: flex;
    gap: 15px;
    justify-content: center;
}

/* 关于我 */
.about {
    background-color: transparent;
}

.about-content {
    display: flex;
    align-items: center;
    gap: 50px;
}

.about-image {
    flex: 1;
}

.about-image img {
    border-radius: 10px;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease;
}

.about-image img:hover {
    transform: scale(1.02);
}

.about-text {
    flex: 1;
}

.about-text h3 {
    font-size: 28px;
    margin-bottom: 20px;
    color: #fff;
}

.about-text p {
    margin-bottom: 20px;
    color: #ddd;
    line-height: 1.8;
}

.about-info {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-bottom: 30px;
}

.info-item {
    padding: 15px;
    border-radius: 10px;
    background-color: rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(5px);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.info-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 15px rgba(0, 0, 0, 0.3);
}

.info-item h4 {
    font-weight: 600;
    margin-bottom: 5px;
    color: #fff;
}

.info-item p {
    color: #ddd;
    margin-bottom: 0;
}

/* 技能 */
.skills {
    background-color: transparent;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.skills-content {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}

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

.skill-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
}

.skill-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 20px;
    border-radius: 50%;
    background-color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 5px 15px rgba(108, 99, 255, 0.4);
}

.skill-icon i {
    font-size: 30px;
    color: #fff;
}

.skill-item h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: #fff;
}

.skill-item p {
    color: #ddd;
    font-size: 15px;
    line-height: 1.6;
}

/* 小红书样式 */
.xiaohongshu {
    background-color: transparent;
    min-height: 100vh;
}

.xiaohongshu-content {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.xiaohongshu-profile {
    margin-bottom: 10px;
}

.xiaohongshu-header {
    display: flex;
    align-items: center;
    gap: 20px;
    background-color: rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(5px);
    border-radius: 15px;
    padding: 20px;
    margin-bottom: 20px;
}

.xiaohongshu-avatar {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    overflow: hidden;
    border: 3px solid rgba(254, 44, 85, 0.4);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
    flex-shrink: 0;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.xiaohongshu-avatar:hover {
    transform: scale(1.05);
    box-shadow: 0 6px 15px rgba(254, 44, 85, 0.5);
}

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

.xiaohongshu-logo {
    width: 70px;
    height: 70px;
    border-radius: 20px;
    background-color: var(--xiaohongshu-color);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 10px rgba(254, 44, 85, 0.4);
    transition: transform 0.3s ease;
    flex-shrink: 0;
}

.xiaohongshu-logo:hover {
    transform: rotate(10deg);
}

.xiaohongshu-logo i {
    font-size: 35px;
    color: white;
}

.xiaohongshu-title {
    flex: 1;
}

.xiaohongshu-title h3 {
    font-size: 22px;
    margin-bottom: 5px;
    color: #fff;
}

.xiaohongshu-title p {
    color: #ddd;
    font-size: 14px;
}

.xiaohongshu-follow {
    flex-shrink: 0;
}

.xiaohongshu-stats {
    display: flex;
    gap: 15px;
    margin-bottom: 20px;
    justify-content: space-between;
}

.stat-item {
    text-align: center;
    padding: 15px;
    background-color: rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(5px);
    border-radius: 10px;
    flex: 1;
    transition: transform 0.3s ease;
}

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

.stat-number {
    font-size: 28px;
    font-weight: 700;
    color: var(--xiaohongshu-color);
    margin-bottom: 5px;
}

.stat-label {
    font-size: 14px;
    color: #ddd;
}

/* 新增的小红书信息卡片样式 */
.xiaohongshu-info-card {
    background-color: rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(5px);
    border-radius: 15px;
    padding: 20px;
    margin-bottom: 20px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.xiaohongshu-info-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
}

.info-card-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
}

.info-card-header i {
    font-size: 20px;
    color: var(--xiaohongshu-color);
}

.info-card-header h3 {
    font-size: 18px;
    color: #fff;
    margin: 0;
}

/* 分类标签样式 */
.category-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.category-tag {
    background-color: rgba(254, 44, 85, 0.2);
    color: #fff;
    padding: 8px 15px;
    border-radius: 20px;
    font-size: 14px;
    transition: all 0.3s ease;
    border: 1px solid rgba(254, 44, 85, 0.4);
}

.category-tag:hover {
    background-color: rgba(254, 44, 85, 0.4);
    transform: translateY(-3px);
}

/* 个人简介样式 */
.profile-description {
    color: #fff;
    line-height: 1.8;
}

.profile-description p {
    margin-bottom: 8px;
    font-size: 15px;
}

.profile-description p:last-child {
    margin-top: 15px;
    color: #ddd;
    font-size: 14px;
}

.profile-description i {
    margin-right: 5px;
    color: var(--xiaohongshu-color);
}

/* 热门话题样式 */
.topic-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.topic-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 10px;
    border-radius: 10px;
    background-color: rgba(255, 255, 255, 0.05);
    transition: all 0.3s ease;
}

.topic-item:hover {
    background-color: rgba(255, 255, 255, 0.1);
    transform: translateX(5px);
}

.topic-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: rgba(254, 44, 85, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.topic-icon i {
    font-size: 18px;
    color: var(--xiaohongshu-color);
}

.topic-info {
    flex: 1;
}

.topic-info h4 {
    font-size: 16px;
    margin-bottom: 5px;
    color: #fff;
}

.topic-info p {
    font-size: 12px;
    color: #aaa;
    margin: 0;
}

/* 二维码区域样式 */
.xiaohongshu-qrcode-section {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background-color: rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(5px);
    border-radius: 15px;
    padding: 20px;
}

.qrcode-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.qrcode-placeholder {
    width: 100px;
    height: 100px;
    background-color: white;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s ease;
}

.qrcode-placeholder:hover {
    transform: scale(1.05);
}

.qrcode-placeholder i {
    font-size: 60px;
    color: var(--xiaohongshu-color);
}

.qrcode-container p {
    font-size: 14px;
    color: #ddd;
    margin: 0;
}

.xiaohongshu-cta {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.xiaohongshu-link {
    display: inline-block;
    padding: 10px 20px;
    background-color: var(--xiaohongshu-color);
    color: white;
    border-radius: 30px;
    font-weight: 600;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: 0 4px 10px rgba(254, 44, 85, 0.4);
    font-size: 14px;
}

.xiaohongshu-link:hover {
    background-color: #e62a4d;
    transform: translateY(-3px);
    box-shadow: 0 8px 15px rgba(254, 44, 85, 0.5);
}

.xiaohongshu-link.clicked {
    transform: scale(0.95);
    box-shadow: 0 2px 5px rgba(254, 44, 85, 0.3);
}

/* 更多联系方式部分 */
.more-contact {
    background-color: transparent;
    min-height: 100vh;
    padding: 100px 0;
}

.more-contact-content {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.contact-card {
    background-color: rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(5px);
    border-radius: 15px;
    padding: 30px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.contact-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.4);
}

.contact-card-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 25px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding-bottom: 15px;
}

.contact-card-header i {
    font-size: 24px;
    color: var(--primary-color);
}

.contact-card-header h3 {
    font-size: 22px;
    color: #fff;
    margin: 0;
}

/* 社交媒体网格 */
.social-media-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.social-media-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    padding: 15px;
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
    transition: all 0.3s ease;
}

.social-media-item:hover {
    background-color: rgba(255, 255, 255, 0.1);
    transform: translateY(-3px);
}

.social-icon {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.social-icon i {
    font-size: 24px;
    color: #fff;
}

.social-icon.weixin {
    background-color: #07C160;
}

.social-icon.qq {
    background-color: #12B7F5;
}

.social-icon.weibo {
    background-color: #E6162D;
}

.social-icon.xiaohongshu {
    background-color: var(--xiaohongshu-color);
}

.social-info {
    flex: 1;
}

.social-info h4 {
    font-size: 18px;
    color: #fff;
    margin-bottom: 5px;
}

.social-info p {
    font-size: 14px;
    color: #ddd;
    margin-bottom: 10px;
}

.qr-placeholder {
    width: 100px;
    height: 100px;
    background-color: white;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 10px;
}

.qr-placeholder i {
    font-size: 60px;
    color: var(--primary-color);
}

.social-btn {
    display: inline-block;
    padding: 8px 15px;
    background-color: var(--primary-color);
    color: white;
    border-radius: 20px;
    font-size: 14px;
    transition: all 0.3s ease;
}

.social-btn:hover {
    background-color: #5a52d5;
    transform: translateY(-2px);
}

/* 联系部分 */
.contact {
    background-color: transparent;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.contact-content {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.contact-info-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.contact-card {
    background-color: rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(5px);
    border-radius: 15px;
    padding: 25px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.contact-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.4);
}

.contact-card-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding-bottom: 15px;
}

.contact-card-header i {
    font-size: 24px;
    color: var(--primary-color);
}

.contact-card-header h3 {
    font-size: 20px;
    color: #fff;
    margin: 0;
}

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

.info-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 15px;
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
    transition: transform 0.3s ease;
}

.info-item:hover {
    background-color: rgba(255, 255, 255, 0.1);
    transform: translateY(-5px);
}

.info-item i {
    font-size: 24px;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.info-item h4 {
    font-size: 16px;
    color: #fff;
    margin-bottom: 5px;
}

.info-item p {
    color: #ddd;
    margin-bottom: 0;
    font-size: 15px;
}

/* 社交媒体部分 */
.contact-social-form {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.social-media-card {
    height: 100%;
}

/* 社交媒体链接样式 */
.social-links-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
    margin-bottom: 20px;
}

.social-link-wrapper {
    height: 100px;
    width: 100%;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    padding: 15px;
    height: 100%;
    width: 100%;
    border-radius: 10px;
    background-color: rgba(255, 255, 255, 0.05);
    color: #fff;
    transition: all 0.3s ease;
}

.social-link i {
    font-size: 24px;
    margin-bottom: 8px;
}

/* 所有社交媒体图标统一大小 */
.social-link.weixin i,
.social-link.qq i,
.social-link.weibo i,
.social-link.xiaohongshu i {
    font-size: 24px;
}

.social-link span {
    font-size: 14px;
    text-align: center;
    width: 100%;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.social-link.weixin {
    color: #07C160;
}

.social-link.qq {
    color: #12B7F5;
}

.social-link.weibo {
    color: #E6162D;
}

.social-link.xiaohongshu {
    color: var(--xiaohongshu-color);
}

.social-link:hover {
    background-color: rgba(255, 255, 255, 0.1);
    transform: translateY(-5px);
}

.qr-codes {
    display: flex;
    justify-content: center;
    margin-top: 20px;
}

.qr-code-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.qr-placeholder {
    width: 120px;
    height: 120px;
    background-color: white;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.qr-placeholder i {
    font-size: 70px;
    color: var(--primary-color);
}

.qr-code-item p {
    font-size: 14px;
    color: #ddd;
    margin: 0;
}

/* 教学咨询部分 */
.consultation-content {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.consultation-content p {
    font-size: 15px;
    color: #fff;
    line-height: 1.6;
}

.consultation-info {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
    margin: 10px 0;
}

.consultation-item {
    text-align: center;
    padding: 15px;
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
    transition: all 0.3s ease;
}

.consultation-item:hover {
    background-color: rgba(255, 255, 255, 0.1);
    transform: translateY(-5px);
}

.consultation-item i {
    font-size: 24px;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.consultation-item h4 {
    font-size: 16px;
    color: #fff;
    margin-bottom: 8px;
}

.consultation-item p {
    font-size: 14px;
    color: #ddd;
    line-height: 1.5;
    margin: 0;
}

/* 联系表单 */
.contact-form-container {
    display: flex;
    flex-direction: column;
}

.form-group {
    margin-bottom: 15px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border-radius: 8px;
    background-color: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: #fff;
    font-size: 15px;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-group textarea {
    height: 120px;
    resize: none;
}

/* 兴趣爱好部分 */
.hobbies {
    background-color: transparent;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hobbies-content {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.hobby-item {
    display: flex;
    background-color: rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(5px);
    border-radius: 15px;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.hobby-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.4);
}

/* 视频播放按钮和覆盖层 */
.hobby-image {
    position: relative;
    height: 250px;
    overflow: hidden;
    border-radius: 10px;
    flex: 1;
    max-width: 40%;
}

.hobby-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

.hobby-info {
    flex: 1.5;
    padding: 25px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.hobby-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background-color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 15px;
}

.hobby-icon i {
    font-size: 25px;
    color: white;
}

.hobby-info h3 {
    font-size: 24px;
    margin-bottom: 15px;
    color: #fff;
}

.hobby-info p {
    font-size: 16px;
    line-height: 1.6;
    color: #ddd;
}

.video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.hobby-image:hover .video-overlay {
    opacity: 1;
}

/* 视频按钮组 */
.video-buttons {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px;
    max-width: 90%;
}

.video-play-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    color: white;
    font-size: 16px;
    transition: transform 0.3s ease;
    background-color: rgba(0, 0, 0, 0.6);
    padding: 10px;
    border-radius: 10px;
    width: 80px;
    text-align: center;
}

.video-play-btn i {
    font-size: 30px;
    margin-bottom: 5px;
    color: var(--primary-color);
    text-shadow: 0 0 10px rgba(0, 0, 0, 0.5);
}

.video-play-btn span {
    font-size: 12px;
    white-space: nowrap;
}

.video-play-btn:hover {
    transform: scale(1.1);
    background-color: rgba(0, 0, 0, 0.8);
}

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

.video-modal-content {
    position: relative;
    margin: 5% auto;
    width: 80%;
    max-width: 800px;
}

.video-modal video {
    width: 100%;
    border-radius: 5px;
}

.close-video-modal {
    position: absolute;
    top: -40px;
    right: 0;
    color: white;
    font-size: 30px;
    font-weight: bold;
    cursor: pointer;
}

.close-video-modal:hover {
    color: var(--primary-color);
}

/* 奇数项目反向排列 */
.hobby-item:nth-child(odd) {
    flex-direction: row-reverse;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 56px;
    }
    
    .skills-content {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .xiaohongshu-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .xiaohongshu-stats {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .stat-item {
        min-width: 120px;
    }
}

@media (max-width: 992px) {
    .contact-info-cards,
    .contact-social-form {
        grid-template-columns: 1fr;
    }
    
    .consultation-info {
        grid-template-columns: repeat(2, 1fr);
    }

    .hobby-item,
    .hobby-item:nth-child(odd) {
        flex-direction: column;
    }
    
    .hobby-image {
        max-width: 100%;
        height: 250px;
    }
}

@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }
    
    nav {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background-color: rgba(0, 0, 0, 0.9);
        backdrop-filter: blur(10px);
        transition: 0.5s;
        z-index: 999;
    }
    
    nav.active {
        left: 0;
    }
    
    nav ul {
        display: block;
        padding: 30px;
    }
    
    nav ul li {
        margin: 20px 0;
    }
    
    .hero .container {
        flex-direction: column;
        text-align: center;
    }
    
    .hero-content,
    .hero-image {
        flex: none;
        width: 100%;
    }
    
    .hero-image {
        margin-top: 30px;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .about-content {
        flex-direction: column;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .social-links {
        justify-content: center;
    }
    
    .xiaohongshu-grid {
        grid-template-columns: 1fr;
    }
    
    .xiaohongshu-header {
        flex-direction: column;
        text-align: center;
    }
    
    .xiaohongshu-title {
        text-align: center;
        margin-bottom: 15px;
    }
    
    .xiaohongshu-stats {
        flex-wrap: wrap;
    }
    
    .stat-item {
        min-width: calc(50% - 10px);
        flex: 0 0 calc(50% - 10px);
    }
    
    .xiaohongshu-qrcode-section {
        flex-direction: column;
        gap: 20px;
    }
    
    .xiaohongshu-avatar {
        margin-bottom: 15px;
    }
    
    .xiaohongshu-logo {
        margin-bottom: 15px;
    }
    
    .social-links-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .consultation-info {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-links h3::after,
    .footer-newsletter h3::after {
        left: 50%;
        transform: translateX(-50%);
    }
}

@media (max-width: 576px) {
    .section-header h2 {
        font-size: 28px;
    }
    
    .hero-title {
        font-size: 42px;
    }
    
    .skills-content {
        grid-template-columns: 1fr;
    }
    
    .about-info {
        grid-template-columns: 1fr;
    }
    
    .fullpage-section {
        padding: 60px 0;
    }
    
    .xiaohongshu-stats {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
    
    .category-tags {
        justify-content: center;
    }
    
    .topic-item {
        flex-direction: column;
        text-align: center;
    }
    
    .topic-icon {
        margin: 0 auto;
    }
    
    .social-links-grid {
        grid-template-columns: 1fr;
    }
} 

.btn, 
.social-link, 
.category-tag, 
.topic-item, 
.qrcode-placeholder, 
.media-placeholder, 
.xiaohongshu-link, 
.back-to-top,
nav ul li a,
.logo a {
    cursor: pointer;
}

/* 确保链接悬停效果 */
a:hover {
    color: var(--primary-color);
}

/* 媒体展示区域样式 */
.media-placeholder {
    background-color: rgba(0, 0, 0, 0.2);
    border-radius: 10px;
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    border: 2px dashed rgba(255, 255, 255, 0.3);
    transition: all 0.3s ease;
}

.media-placeholder:hover {
    background-color: rgba(0, 0, 0, 0.4);
    border-color: rgba(255, 255, 255, 0.5);
}