/* 
   校花 官方网站 (awuzli4.cn) 外部样式表
   主题风格：樱花粉霓 (Sakura Pink Neon) - 唯美校园与高端影视暗色调结合
*/

:root {
    --bg-dark: #0a0a0d;
    --bg-card: #121218;
    --bg-alt: #161622;
    --accent-pink: #ff65a3;
    --accent-pink-glow: rgba(255, 101, 163, 0.4);
    --accent-blue: #00f0ff;
    --accent-blue-glow: rgba(0, 240, 255, 0.3);
    --text-main: #f3f4f6;
    --text-muted: #9ca3af;
    --border-color: #23232f;
    --transition-smooth: all 0.3s cubic-bezier(0.23, 1, 0.32, 1);
}

/* 基础重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans CJK SC", sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition-smooth);
}

ul {
    list-style: none;
}

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

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

/* 按钮样式 */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: var(--transition-smooth);
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-pink), #ff4181);
    color: #fff;
    box-shadow: 0 4px 15px var(--accent-pink-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 101, 163, 0.6);
}

.btn-outline {
    background: transparent;
    color: var(--text-main);
    border: 2px solid var(--border-color);
}

.btn-outline:hover {
    border-color: var(--accent-pink);
    color: var(--accent-pink);
    background: rgba(255, 101, 163, 0.05);
}

.btn-sm {
    padding: 8px 18px;
    font-size: 0.85rem;
}

/* 头部导航 */
.site-header {
    background-color: rgba(10, 10, 13, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: var(--transition-smooth);
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 15px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.site-logo-link {
    display: flex;
    align-items: center;
    gap: 12px;
}

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

.site-logo-text {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: 1px;
}

.accent-text {
    background: linear-gradient(135deg, var(--accent-pink), var(--accent-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.site-navigation .nav-list {
    display: flex;
    gap: 30px;
}

.site-navigation .nav-list a {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-muted);
    position: relative;
    padding: 8px 0;
}

.site-navigation .nav-list a:hover,
.site-navigation .nav-list a.active {
    color: var(--accent-pink);
}

.site-navigation .nav-list a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent-pink);
    transition: var(--transition-smooth);
}

.site-navigation .nav-list a:hover::after,
.site-navigation .nav-list a.active::after {
    width: 100%;
}

.mobile-menu-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-main);
}

/* 伪搜索框 */
.search-section {
    background-color: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
    padding: 20px 0;
}

.search-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
}

.search-form {
    display: flex;
    background-color: var(--bg-dark);
    border: 2px solid var(--border-color);
    border-radius: 50px;
    overflow: hidden;
    transition: var(--transition-smooth);
}

.search-form:focus-within {
    border-color: var(--accent-pink);
    box-shadow: 0 0 10px var(--accent-pink-glow);
}

.search-input {
    flex: 1;
    background: transparent;
    border: none;
    outline: none;
    padding: 14px 25px;
    color: var(--text-main);
    font-size: 0.95rem;
}

.search-submit-btn {
    background: linear-gradient(135deg, var(--accent-pink), #ff4181);
    border: none;
    color: #fff;
    padding: 0 30px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.search-submit-btn:hover {
    opacity: 0.9;
}

.search-tags {
    margin-top: 10px;
    font-size: 0.85rem;
    color: var(--text-muted);
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
}

.hot-tag {
    color: var(--accent-pink);
    background-color: rgba(255, 101, 163, 0.1);
    padding: 2px 10px;
    border-radius: 20px;
}

.hot-tag:hover {
    background-color: var(--accent-pink);
    color: #fff;
}

/* 面包屑导航 */
.breadcrumb-wrapper {
    background-color: var(--bg-dark);
    padding: 12px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.02);
}

.breadcrumb-nav {
    font-size: 0.85rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 8px;
}

.breadcrumb-title i {
    color: var(--accent-pink);
}

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

.breadcrumb-separator {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.1);
}

.breadcrumb-current {
    color: var(--text-main);
}

/* 首页大 Banner */
.hero-section {
    padding: 100px 0;
    text-align: center;
    border-bottom: 1px solid var(--border-color);
}

.hero-container {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 20px;
}

.hero-title {
    font-size: 3rem;
    font-weight: 900;
    letter-spacing: 2px;
    margin-bottom: 20px;
    background: linear-gradient(135deg, #fff, #ffb6c1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.4rem;
    color: var(--accent-pink);
    font-weight: 600;
    margin-bottom: 25px;
}

.hero-description {
    font-size: 1.05rem;
    color: var(--text-muted);
    margin-bottom: 40px;
    line-height: 1.8;
}

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

/* 核心内容区 */
.content-section {
    padding: 80px 0;
    border-bottom: 1px solid var(--border-color);
}

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

.section-main-title {
    font-size: 2.2rem;
    font-weight: 800;
    text-align: center;
    margin-bottom: 15px;
    background: linear-gradient(135deg, #fff, var(--accent-pink));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.section-subtitle {
    font-size: 1.05rem;
    color: var(--text-muted);
    text-align: center;
    margin-bottom: 50px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* 模块切换 Tabs */
.module-tabs {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 40px;
}

.tab-btn {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    padding: 12px 30px;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.tab-btn:hover,
.tab-btn.active {
    background: linear-gradient(135deg, var(--accent-pink), #ff4181);
    color: #fff;
    border-color: transparent;
    box-shadow: 0 4px 15px var(--accent-pink-glow);
}

.module-content {
    display: none;
}

.module-content.active {
    display: block;
    animation: fadeIn 0.5s ease;
}

/* 视频网格与卡片 */
.video-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.video-card {
    background-color: var(--bg-card);
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: var(--transition-smooth);
}

.video-thumbnail-wrapper {
    position: relative;
    aspect-ratio: 16/9;
    overflow: hidden;
    background-color: #000;
}

.video-thumbnail {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-smooth);
}

.video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(10, 10, 13, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition-smooth);
}

.play-icon {
    font-size: 4rem;
    color: var(--accent-pink);
    text-shadow: 0 0 20px var(--accent-pink-glow);
    transition: var(--transition-smooth);
}

.video-duration {
    position: absolute;
    bottom: 12px;
    right: 12px;
    background-color: rgba(0, 0, 0, 0.7);
    color: #fff;
    padding: 3px 8px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
}

.live-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    background-color: #ff0055;
    color: #fff;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 6px;
}

.video-info {
    padding: 25px;
}

.video-title {
    font-size: 1.15rem;
    font-weight: 700;
    line-height: 1.5;
    margin-bottom: 12px;
    transition: var(--transition-smooth);
}

.video-title:hover {
    color: var(--accent-pink);
}

.video-desc {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 20px;
}

.video-tags {
    display: flex;
    gap: 8px;
    margin-bottom: 15px;
}

.video-tags .tag {
    background-color: rgba(255, 255, 255, 0.05);
    color: var(--text-muted);
    font-size: 0.75rem;
    padding: 3px 10px;
    border-radius: 4px;
}

.video-meta {
    display: flex;
    justify-content: space-between;
    font-size: 0.85rem;
    color: var(--text-muted);
    border-top: 1px solid var(--border-color);
    padding-top: 15px;
}

/* 视频卡片悬停动效 */
.video-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-pink);
    box-shadow: 0 10px 30px var(--accent-pink-glow);
}

.video-card:hover .video-thumbnail {
    transform: scale(1.05);
}

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

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

/* 专家展示 */
.experts-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.expert-card {
    background-color: var(--bg-card);
    border-radius: 16px;
    padding: 30px;
    border: 1px solid var(--border-color);
    display: flex;
    gap: 25px;
    transition: var(--transition-smooth);
}

.expert-card:hover {
    border-color: var(--accent-pink);
    box-shadow: 0 5px 20px var(--accent-pink-glow);
}

.expert-avatar-wrapper {
    flex-shrink: 0;
    width: 120px;
    height: 120px;
    border-radius: 50%;
    overflow: hidden;
    border: 3px solid var(--border-color);
}

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

.expert-details h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 5px;
}

.expert-title {
    display: block;
    font-size: 0.85rem;
    color: var(--accent-pink);
    font-weight: 600;
    margin-bottom: 15px;
}

.expert-bio {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 15px;
    line-height: 1.6;
}

.expert-meta {
    font-size: 0.85rem;
    color: var(--text-muted);
    background-color: rgba(255, 255, 255, 0.02);
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 20px;
}

.expert-meta span {
    display: block;
    margin-bottom: 5px;
}

.expert-actions {
    display: flex;
    gap: 12px;
}

/* 混淆类名样式 */
.collab-f89a2b {
    padding: 50px 0;
    background-color: var(--bg-dark);
    border-bottom: 1px solid var(--border-color);
    text-align: center;
}

.wall-e91c7a {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 40px;
}

.logo-p34b9d {
    font-size: 1.3rem;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.15);
    letter-spacing: 2px;
    transition: var(--transition-smooth);
}

.logo-p34b9d:hover {
    color: var(--accent-pink);
    text-shadow: 0 0 10px var(--accent-pink-glow);
}

.rev-s72c1a {
    padding: 80px 0;
    border-bottom: 1px solid var(--border-color);
}

.rev-grid-x92a3d {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}

.rev-card-y28a1c {
    background-color: var(--bg-card);
    border-radius: 12px;
    padding: 25px;
    border: 1px solid var(--border-color);
    transition: var(--transition-smooth);
}

.rev-card-y28a1c:hover {
    border-color: var(--accent-pink);
    transform: translateY(-3px);
}

.rev-rating-w12 {
    color: #ffb700;
    margin-bottom: 15px;
    font-size: 0.9rem;
}

.rev-text-v12 {
    font-size: 0.95rem;
    color: var(--text-main);
    margin-bottom: 20px;
    line-height: 1.6;
    font-style: italic;
}

.rev-user-z12 {
    display: flex;
    flex-direction: column;
}

.user-name-a1 {
    font-weight: 600;
    font-size: 0.9rem;
}

.user-role-b1 {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* 图文指南 */
.guide-container {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 50px;
    align-items: center;
}

.guide-title {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 20px;
}

.guide-desc {
    color: var(--text-muted);
    margin-bottom: 30px;
}

.steps-list {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.step-item {
    display: flex;
    gap: 20px;
}

.step-num {
    flex-shrink: 0;
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background-color: rgba(255, 101, 163, 0.1);
    color: var(--accent-pink);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.2rem;
    border: 2px solid var(--accent-pink);
}

.step-item h4 {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 5px;
}

.step-item p {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.guide-img {
    border-radius: 16px;
    border: 1px solid var(--border-color);
}

/* FAQ 折叠手风琴 */
.faq-container {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.faq-item {
    background-color: var(--bg-card);
    border-radius: 8px;
    border: 1px solid var(--border-color);
    overflow: hidden;
}

.faq-question {
    width: 100%;
    background: transparent;
    border: none;
    outline: none;
    color: var(--text-main);
    padding: 20px;
    font-size: 1rem;
    font-weight: 600;
    text-align: left;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-question i {
    color: var(--text-muted);
    transition: var(--transition-smooth);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s cubic-bezier(0, 1, 0, 1);
    padding: 0 20px;
    color: var(--text-muted);
    font-size: 0.9rem;
    border-top: 0 solid var(--border-color);
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
    color: var(--accent-pink);
}

.faq-item.active .faq-answer {
    max-height: 1000px;
    padding: 20px;
    border-top-width: 1px;
    transition: max-height 0.3s cubic-bezier(1, 0, 1, 0);
}

/* 联系我们与实体展示 */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.contact-info-card,
.contact-community-card {
    background-color: var(--bg-card);
    border-radius: 16px;
    padding: 40px;
    border: 1px solid var(--border-color);
}

.contact-info-card h3,
.contact-community-card h3 {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 25px;
    border-left: 4px solid var(--accent-pink);
    padding-left: 12px;
}

.contact-info-card p,
.contact-community-card p {
    font-size: 0.95rem;
    color: var(--text-muted);
    margin-bottom: 15px;
}

.contact-info-card strong,
.contact-community-card strong {
    color: var(--text-main);
}

.community-buttons {
    display: flex;
    gap: 15px;
    margin-top: 25px;
}

/* 内页 Banner */
.inner-banner {
    padding: 80px 0;
    text-align: center;
    border-bottom: 1px solid var(--border-color);
}

.inner-banner-container h1 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 15px;
    background: linear-gradient(135deg, #fff, var(--accent-pink));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.inner-banner-container p {
    font-size: 1.1rem;
    color: var(--text-muted);
    max-width: 700px;
    margin: 0 auto;
}

/* 创作中心与甜心社区额外样式 */
.creator-benefits-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
    margin-bottom: 80px;
}

.benefit-card {
    background-color: var(--bg-card);
    border-radius: 12px;
    padding: 30px;
    border: 1px solid var(--border-color);
    text-align: center;
}

.benefit-icon {
    font-size: 2.5rem;
    color: var(--accent-pink);
    margin-bottom: 20px;
}

.benefit-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 15px;
}

.benefit-card p {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.creator-join-section {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 50px;
    align-items: center;
}

.join-info h2 {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 30px;
}

.join-steps {
    display: flex;
    flex-direction: column;
    gap: 25px;
    margin-bottom: 35px;
}

.join-step {
    display: flex;
    gap: 20px;
}

.step-badge {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    border-radius: 8px;
    background-color: rgba(0, 240, 255, 0.1);
    color: var(--accent-blue);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    border: 1px solid var(--accent-blue);
}

.join-step h4 {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 5px;
}

.join-step p {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.join-img {
    border-radius: 16px;
    border: 1px solid var(--border-color);
}

.community-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
    margin-bottom: 80px;
}

.comm-feature-card {
    background-color: var(--bg-card);
    border-radius: 12px;
    padding: 30px;
    border: 1px solid var(--border-color);
    text-align: center;
}

.comm-icon {
    font-size: 2.5rem;
    color: var(--accent-blue);
    margin-bottom: 20px;
}

.comm-feature-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 15px;
}

.comm-feature-card p {
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* 创作工具 */
.tools-showcase {
    display: flex;
    flex-direction: column;
    gap: 25px;
    margin-bottom: 80px;
}

.tool-card {
    background-color: var(--bg-card);
    border-radius: 16px;
    padding: 35px;
    border: 1px solid var(--border-color);
    display: flex;
    gap: 30px;
    align-items: center;
}

.tool-icon {
    flex-shrink: 0;
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background-color: rgba(255, 101, 163, 0.1);
    color: var(--accent-pink);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.2rem;
    border: 2px solid var(--accent-pink);
}

.tool-details h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.tool-details p {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 15px;
}

.tool-meta {
    display: flex;
    gap: 30px;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.tool-meta a {
    color: var(--accent-pink);
}

.tool-demo-box {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 50px;
    align-items: center;
}

.demo-text h2 {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 20px;
}

.demo-text p {
    color: var(--text-muted);
    margin-bottom: 25px;
}

.demo-features-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 30px;
}

.demo-features-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.95rem;
}

.demo-features-list li i {
    color: var(--accent-blue);
}

/* 关于我们 */
.about-us-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 50px;
    align-items: center;
    margin-bottom: 80px;
}

.about-text h2 {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 25px;
}

.about-p {
    color: var(--text-muted);
    margin-bottom: 20px;
    font-size: 0.95rem;
}

.about-certs-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-top: 25px;
}

.about-certs-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.95rem;
}

.about-certs-list li i {
    color: var(--accent-pink);
}

.about-img {
    border-radius: 16px;
    border: 1px solid var(--border-color);
}

/* 页脚样式 */
.site-footer {
    background-color: var(--bg-card);
    border-top: 1px solid var(--border-color);
    padding: 80px 0 30px;
}

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

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 0.8fr 1fr 1.2fr;
    gap: 40px;
    margin-bottom: 60px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
}

.footer-logo-img {
    height: 40px;
    width: 40px;
}

.footer-brand-text {
    font-size: 1.3rem;
    font-weight: 800;
}

.footer-desc {
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.7;
    margin-bottom: 25px;
}

.share-title {
    display: block;
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 10px;
}

.share-buttons {
    display: flex;
    gap: 10px;
}

.share-btn {
    width: 35px;
    height: 35px;
    border-radius: 50%;
    border: none;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 0.9rem;
    transition: var(--transition-smooth);
}

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

.wechat-btn { background-color: #07c160; }
.weibo-btn { background-color: #e6162d; }
.bilibili-btn { background-color: #00a1d6; }
.douyin-btn { background-color: #000000; border: 1px solid #23232f; }

.footer-title {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 25px;
    border-left: 3px solid var(--accent-pink);
    padding-left: 10px;
}

.footer-links-list li {
    margin-bottom: 12px;
}

.footer-links-list a {
    font-size: 0.85rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 8px;
}

.footer-links-list a:hover {
    color: var(--accent-pink);
    padding-left: 5px;
}

.footer-contact-list li {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-contact-list i {
    color: var(--accent-pink);
}

.footer-qrcodes {
    display: flex;
    gap: 20px;
}

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

.qrcode-img {
    width: 100px;
    height: 100px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    margin-bottom: 8px;
}

.qrcode-item span {
    display: block;
    font-size: 0.75rem;
    color: var(--text-muted);
}

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding-top: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-copyright p {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.footer-time {
    font-size: 0.85rem;
    color: var(--accent-pink);
    font-weight: 600;
}

/* 动画效果 */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* 响应式媒体查询 */
@media (max-width: 1024px) {
    .video-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .experts-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .site-navigation {
        display: none; /* 移动端折叠导航 */
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    .hero-title {
        font-size: 2.2rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .video-grid {
        grid-template-columns: 1fr;
    }
    
    .expert-card {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    
    .rev-grid-x92a3d {
        grid-template-columns: 1fr;
    }
    
    .guide-container,
    .creator-join-section,
    .tool-demo-box,
    .about-us-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .creator-benefits-grid,
    .community-features {
        grid-template-columns: 1fr;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}