/* 全局样式 */
:root {
    --primary-color: #fa7ea1;
    --secondary-color: #fa8eac;
    --accent-color: #fcb5c8;
    --light-accent: #fcc5d5;
    --background-color: #F8F9FA;
    --dark-background: #1F1F2F;
    --text-color: #333333;
    --light-text: #FFFFFF;
    --border-radius: 10px;
    --box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    --gradient: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    --soft-gradient: linear-gradient(135deg, var(--accent-color), var(--light-accent));
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
}

body {
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.6;
}

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

/* 通用样式 */
a {
    text-decoration: none;
    color: var(--secondary-color);
    transition: all 0.3s ease;
}

a:hover {
    color: var(--primary-color);
}

.section-header {
    display: flex;
    align-items: center;
    margin-bottom: 25px;
    border-bottom: 2px solid #eee;
    padding-bottom: 10px;
}

.section-header i {
    color: var(--primary-color);
    font-size: 24px;
    margin-right: 10px;
}

.section-header h2 {
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--text-color);
}

section {
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    padding: 30px;
    margin-bottom: 30px;
}

/* 头部样式 */
header {
    text-align: center;
    padding: 40px 0;
    margin-bottom: 30px;
}

.logo-container {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 15px;
}

.logo {
    width: 80px;
    height: 80px;
    margin-right: 15px;
    border-radius: 12px;
}

header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

header h1 span {
    color: var(--secondary-color);
}

.slogan {
    font-size: 1.2rem;
    color: #777;
}

/* 新头部样式 */
.new-header {
    background: var(--gradient);
    padding: 0;
    margin-bottom: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    position: relative;
    overflow: hidden;
}

.new-header::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    background: url('announcement-bg.jpg') no-repeat center center;
    background-size: cover;
    opacity: 0.1;
    z-index: 0;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 30px;
    position: relative;
    z-index: 1;
}

.site-branding {
    display: flex;
    align-items: center;
}

.site-branding .logo {
    width: 60px;
    height: 60px;
    margin-right: 15px;
    filter: drop-shadow(0 2px 5px rgba(0, 0, 0, 0.2));
    transition: transform 0.3s ease;
    border-radius: 12px;
}

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

.site-title {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.site-title h1 {
    font-size: 1.8rem;
    font-weight: 700;
    color: white;
    margin: 0;
    line-height: 1.2;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.site-title h1 span {
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500;
}

.site-title .slogan {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.8);
    margin-top: 5px;
}

.header-nav {
    display: flex;
    gap: 5px;
}

.nav-btn {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border: none;
    border-radius: 50px;
    padding: 8px 20px;
    font-size: 0.9rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.2s ease;
    cursor: pointer;
}

.nav-btn:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
}

.nav-btn i {
    font-size: 0.85rem;
}

.nav-btn.primary {
    background: rgba(255, 255, 255, 0.9);
    color: var(--primary-color);
}

.nav-btn.primary:hover {
    background: white;
    color: var(--secondary-color);
}

.header-bottom {
    background: rgba(255, 255, 255, 0.1);
    padding: 10px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-menu {
    display: flex;
    gap: 25px;
}

.header-menu a {
    color: rgba(255, 255, 255, 0.85);
    font-size: 0.95rem;
    font-weight: 500;
    position: relative;
    transition: all 0.2s ease;
}

.header-menu a:hover {
    color: white;
}

.header-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: white;
    transition: width 0.2s ease;
}

.header-menu a:hover::after,
.header-menu a.active::after {
    width: 100%;
}

.header-actions {
    display: flex;
    gap: 15px;
}

.header-social {
    display: flex;
    gap: 10px;
}

.social-icon {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 0.85rem;
    transition: all 0.2s ease;
}

.social-icon:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
}

.mobile-menu-trigger {
    display: none;
    background: none;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
}

@media (max-width: 992px) {
    .header-container {
        padding: 15px 20px;
    }
    
    .site-branding .logo {
        width: 50px;
        height: 50px;
    }
    
    .site-title h1 {
        font-size: 1.6rem;
    }
    
    .header-menu {
        gap: 20px;
    }
}

@media (max-width: 768px) {
    .header-bottom {
        display: none;
    }
    
    .mobile-menu-trigger {
        display: block;
    }
    
    .site-title h1 {
        font-size: 1.4rem;
    }
    
    .site-title .slogan {
        font-size: 0.85rem;
    }
    
    .nav-btn {
        padding: 6px 15px;
        font-size: 0.85rem;
    }
    
    .header-nav {
        gap: 8px;
    }
}

@media (max-width: 576px) {
    .site-branding .logo {
        width: 45px;
        height: 45px;
        border-radius: 10px;
    }
    
    .site-title h1 {
        font-size: 1.2rem;
    }
    
    .header-container {
        padding: 12px 15px;
    }
    
    .nav-btn span {
        display: none;
    }
    
    .nav-btn {
        width: 36px;
        height: 36px;
        padding: 0;
        display: flex;
        align-items: center;
        justify-content: center;
        border-radius: 50%;
    }
    
    .nav-btn i {
        margin: 0;
        font-size: 1rem;
    }
}

/* 公告栏样式 */
.announcement {
    /* 这不再需要 */
}

/* 滚动公告样式 */
.scrolling-notices {
    display: flex;
    flex-wrap: wrap;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    overflow: hidden;
    background: white;
    margin-bottom: 30px;
}

.scroll-header {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: var(--primary-color);
    padding: 10px 15px;
    color: white;
}

.scroll-title {
    font-weight: 600;
    font-size: 1rem;
    display: flex;
    align-items: center;
}

.scroll-title i {
    margin-right: 6px;
    font-size: 0.9rem;
}

.scroll-controls {
    display: flex;
    gap: 8px;
    align-items: center;
}

.scroll-btn {
    border: none;
    background-color: rgba(255, 255, 255, 0.2);
    color: white;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
}

.scroll-btn:hover {
    background-color: rgba(255, 255, 255, 0.4);
}

.scroll-btn.active {
    background-color: white;
    color: var(--primary-color);
}

.scroll-container {
    flex: 1;
    position: relative;
    overflow: hidden;
    height: 50px;
    min-width: 0;
    border-right: 1px solid #f0f0f0;
}

.scroll-wrapper {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    transition: transform 0.5s ease;
}

.scroll-item {
    display: flex;
    align-items: center;
    padding: 0 15px;
    height: 50px;
    box-sizing: border-box;
}

.scroll-item .notice-date {
    color: #999;
    font-size: 0.85rem;
    margin-right: 10px;
    white-space: nowrap;
}

.scroll-item .notice-text {
    flex: 1;
    color: var(--text-color);
    text-decoration: none;
    font-size: 0.95rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    transition: color 0.2s ease;
}

.scroll-item .notice-text:hover {
    color: var(--primary-color);
}

.scroll-item .notice-badge {
    background-color: var(--primary-color);
    color: white;
    font-size: 0.7rem;
    padding: 2px 5px;
    border-radius: 2px;
    margin-right: 8px;
    font-weight: 600;
}

.scroll-item .notice-badge.new {
    background-color: #ff3b3b;
}

/* 收藏按钮新样式 */
.bookmark-btn {
    display: inline-flex;
    align-items: center;
    padding: 5px 12px;
    background-color: rgba(255, 255, 255, 0.2);
    color: white;
    border-radius: 20px;
    font-size: 0.85rem;
    transition: all 0.2s ease;
    white-space: nowrap;
    text-decoration: none;
    margin-left: 5px;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.bookmark-btn:hover {
    background-color: white;
    color: var(--primary-color);
    transform: translateY(-1px);
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.bookmark-btn i {
    margin-right: 5px;
}

/* 移除旧的收藏区域样式 */
.bookmark-section {
    /* 这不再需要 */
}

.bookmark-section p {
    /* 这不再需要 */
}

.bookmark-section strong {
    /* 这不再需要 */
}

@media (max-width: 768px) {
    .scrolling-notices {
        flex-direction: column;
    }
    
    .scroll-container {
        width: 100%;
        border-right: none;
    }
    
    .scroll-title {
        font-size: 0.9rem;
    }
    
    .scroll-btn {
        width: 26px;
        height: 26px;
    }
    
    .bookmark-btn {
        padding: 4px 10px;
        font-size: 0.8rem;
    }
}

@media (max-width: 576px) {
    .scrolling-notices {
        display: none; /* 隐藏移动端的滚动公告模块 */
    }
    
    .scroll-header {
        flex-direction: column;
        align-items: flex-start;
        padding: 10px;
    }
    
    .scroll-controls {
        width: 100%;
        justify-content: flex-end;
        margin-top: 8px;
    }
    
    .bookmark-btn {
        margin-left: auto;
    }
}

/* 移除旧的响应式样式 */
@media (max-width: 480px) {
    .bookmark-section {
        /* 这不再需要 */
    }
    
    .bookmark-section p {
        /* 这不再需要 */
    }
}

/* 网址卡片样式 */
.url-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.url-card {
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.url-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.15);
}

.url-card.primary {
    border: 2px solid var(--primary-color);
}

.card-header {
    padding: 15px;
    background: #f5f5f5;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-header h3 {
    font-size: 1.2rem;
    color: var(--text-color);
}

.status {
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.status.active {
    background-color: rgba(250, 126, 161, 0.3);
    color: #7c3845;
}

.status.inactive {
    background-color: #f8d7da;
    color: #721c24;
}

.card-content {
    padding: 20px;
    text-align: center;
}

.url {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--secondary-color);
    margin-bottom: 8px;
}

.description {
    color: #777;
    margin-bottom: 15px;
}

.visit-btn {
    background: var(--gradient);
    color: white;
    border: none;
    border-radius: 50px;
    padding: 8px 20px;
    font-size: 0.9rem;
    display: block;
    text-align: center;
    box-shadow: 0 4px 12px rgba(250, 126, 161, 0.3);
}

.visit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(250, 126, 161, 0.4);
}

/* APP下载区域样式 */
.app-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    align-items: center;
}

.app-info ul {
    list-style: none;
    margin: 20px 0;
}

.app-info li {
    margin-bottom: 10px;
    display: flex;
    align-items: center;
}

.app-info li i {
    color: var(--primary-color);
    margin-right: 10px;
}

.app-download-btns {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-top: 20px;
}

.download-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 12px 25px;
    background: var(--dark-background);
    color: white;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.download-btn:hover {
    background: var(--primary-color);
    color: white;
}

.download-btn i {
    font-size: 1.5rem;
    margin-right: 10px;
}

.qr-code {
    text-align: center;
    margin-top: 20px;
}

.qr-code img {
    max-width: 150px;
    border-radius: 8px;
    margin-bottom: 10px;
}

/* 网站介绍样式 - 新设计 */
.intro-content {
    display: grid;
    grid-template-columns: 3fr 2fr;
    gap: 30px;
}

.intro-main {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.intro-banner {
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #fcf2f4 0%, #f6e6f0 100%);
    border-radius: 15px;
    padding: 30px;
    overflow: hidden;
    position: relative;
    box-shadow: 0 10px 20px rgba(247, 123, 139, 0.1);
}

.intro-slogan {
    flex: 1;
    padding-right: 20px;
    z-index: 1;
}

.intro-slogan h3 {
    font-size: 1.8rem;
    color: var(--text-color);
    font-weight: 700;
    margin-bottom: 15px;
    line-height: 1.3;
}

.intro-slogan h3 span {
    color: var(--primary-color);
    position: relative;
    display: inline-block;
}

.intro-slogan h3 span::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    height: 8px;
    background-color: rgba(250, 126, 161, 0.3);
    z-index: -1;
}

.intro-slogan p {
    font-size: 1.05rem;
    color: #666;
    margin-bottom: 25px;
    line-height: 1.6;
}

.intro-actions {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.intro-btn {
    display: inline-block;
    padding: 10px 25px;
    border-radius: 30px;
    font-weight: 600;
    transition: all 0.3s ease;
    text-decoration: none;
}

.primary-btn {
    background: var(--gradient);
    color: white;
    box-shadow: 0 5px 15px rgba(250, 126, 161, 0.3);
}

.primary-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(250, 126, 161, 0.5);
    color: white;
}

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

.outline-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.intro-mascot {
    position: relative;
    width: 200px;
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.mascot-img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    animation: float 3s ease-in-out infinite;
}

.mascot-icon {
    width: 150px;
    height: 150px;
    background: linear-gradient(135deg, #f77b8b 0%, #f7bacc 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    animation: float 3s ease-in-out infinite;
    box-shadow: 0 10px 25px rgba(247, 123, 139, 0.4);
}

.mascot-icon i {
    color: white;
    font-size: 2.5rem;
    position: absolute;
}

.mascot-icon i:nth-child(1) {
    transform: translate(-25px, -15px);
    font-size: 2.2rem;
}

.mascot-icon i:nth-child(2) {
    transform: translate(25px, -15px);
    font-size: 1.8rem;
}

.mascot-icon i:nth-child(3) {
    transform: translateY(30px);
    font-size: 2rem;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.intro-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.feature-card {
    display: flex;
    gap: 15px;
    background-color: white;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
}

.feature-icon {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: rgba(250, 126, 161, 0.15);
    display: flex;
    justify-content: center;
    align-items: center;
    margin-right: 15px;
    font-size: 1.4rem;
    color: var(--primary-color);
    flex-shrink: 0;
}

.feature-content h3 {
    font-size: 1.2rem;
    color: var(--text-color);
    margin-bottom: 8px;
}

.feature-content p {
    font-size: 0.9rem;
    color: #666;
    line-height: 1.5;
}

.intro-stats {
    display: flex;
    flex-direction: column;
    background: white;
    border-radius: 15px;
    padding: 25px;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.05);
}

.stats-header {
    margin-bottom: 20px;
    text-align: center;
}

.stats-header h3 {
    font-size: 1.5rem;
    color: var(--primary-color);
    position: relative;
    display: inline-block;
    padding-bottom: 10px;
}

.stats-header h3::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 40px;
    height: 3px;
    background: var(--primary-color);
    border-radius: 2px;
}

.stats-container {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-bottom: 25px;
}

.stat-card {
    text-align: center;
    padding: 15px;
    background: linear-gradient(135deg, #fcf2f4 0%, #f6e6f0 100%);
    border-radius: 10px;
    transition: all 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(247, 123, 139, 0.2);
}

.stat-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(250, 126, 161, 0.15);
    display: flex;
    justify-content: center;
    align-items: center;
    margin-right: 10px;
    font-size: 1.2rem;
    color: var(--primary-color);
}

.stat-number {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 5px;
}

.stat-label {
    font-size: 0.85rem;
    color: #666;
}

.testimonial {
    background: linear-gradient(135deg, #f77b8b 0%, #f6b2b6 100%);
    padding: 20px;
    border-radius: 10px;
    color: white;
    position: relative;
    margin-top: auto;
}

.quote-icon {
    font-size: 1.8rem;
    opacity: 0.2;
    margin-bottom: 10px;
}

.quote-text {
    font-size: 1rem;
    line-height: 1.6;
    font-style: italic;
    margin-bottom: 15px;
}

.quote-author {
    text-align: right;
    font-weight: 600;
    font-size: 0.9rem;
}

/* 新的响应式设计 */
@media (max-width: 992px) {
    .intro-content {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .intro-banner {
        flex-direction: column;
        text-align: center;
        padding: 25px;
    }
    
    .intro-slogan {
        padding-right: 0;
        padding-bottom: 20px;
    }
    
    .intro-actions {
        justify-content: center;
    }
    
    .intro-features {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
    
    .feature-card {
        flex-direction: column;
        align-items: center;
        text-align: center;
        padding: 15px;
    }
    
    .feature-icon {
        margin-bottom: 10px;
    }
    
    .feature-content h3 {
        font-size: 1.1rem;
    }
    
    .feature-content p {
        font-size: 0.85rem;
    }
    
    .stats-container {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
    
    .stat-card {
        padding: 12px;
    }
    
    .stat-number {
        font-size: 1.5rem;
    }
}

@media (max-width: 768px) {
    .section-header h2 {
        font-size: 1.5rem;
    }
    
    .url-cards, .vip-cards {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
    
    .url-card .card-content, .vip-card {
        padding: 15px;
    }
    
    .url-card .url, .vip-card .vip-level {
        font-size: 1.2rem;
    }
    
    .url-card .description, .vip-card .benefits li {
        font-size: 0.9rem;
    }
    
    .url-card .visit-btn, .vip-card .vip-btn {
        padding: 6px 15px;
        font-size: 0.9rem;
    }
    
    .features {
        grid-template-columns: 1fr 1fr;
    }
    
    header h1 {
        font-size: 2rem;
    }
    
    .app-download-btns {
        flex-direction: column;
    }
}

@media (max-width: 576px) {
    section {
        padding: 20px;
    }
    
    .url-cards, .vip-cards {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }
    
    .url-card .card-content, .vip-card {
        padding: 12px;
    }
    
    .url-card .url, .vip-card .vip-level {
        font-size: 1.1rem;
    }
    
    .url-card .description, .vip-card .benefits li {
        font-size: 0.85rem;
    }
    
    .url-card .visit-btn, .vip-card .vip-btn {
        padding: 5px 10px;
        font-size: 0.85rem;
    }
    
    .card-header {
        padding: 10px;
    }
    
    .card-header h3 {
        font-size: 1rem;
    }
    
    .features, .stats {
        grid-template-columns: 1fr;
    }
    
    .intro-features {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }
    
    .feature-card {
        padding: 10px;
    }
    
    .feature-icon {
        width: 40px;
        height: 40px;
        min-width: 40px;
        font-size: 1rem;
    }
    
    .stats-container {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
        margin-bottom: 15px;
    }
    
    .intro-stats {
        padding: 15px;
    }
    
    .stats-header h3 {
        font-size: 1.3rem;
    }
    
    .contact-methods {
        grid-template-columns: 1fr;
    }
    
    .subscribe-form {
        flex-direction: column;
    }
    
    .subscribe-form input {
        border-radius: 25px;
        margin-bottom: 10px;
    }
    
    .subscribe-form button {
        border-radius: 25px;
    }
}

/* 返回顶部按钮样式 */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--gradient);
    color: white;
    border: none;
    box-shadow: 0 5px 15px rgba(247, 123, 139, 0.4);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    z-index: 99;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.3s ease;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: linear-gradient(135deg, #f87485, #f77b8b);
    box-shadow: 0 8px 20px rgba(247, 123, 139, 0.6);
    transform: translateY(-3px);
}

@media (max-width: 576px) {
    .back-to-top {
        width: 40px;
        height: 40px;
        bottom: 20px;
        right: 20px;
        font-size: 1rem;
    }
}

/* VIP会员信息样式 */
.vip-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.vip-card {
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--box-shadow);
    background: white;
    padding: 30px;
    position: relative;
    transition: transform 0.3s ease;
}

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

.vip-card.premium {
    box-shadow: 0 10px 25px rgba(247, 123, 139, 0.3);
    border: 2px solid var(--secondary-color);
}

.vip-tag {
    position: absolute;
    top: 0;
    right: 0;
    background: var(--secondary-color);
    color: white;
    padding: 5px 15px;
    font-size: 0.8rem;
    border-bottom-left-radius: 10px;
}

.vip-level {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 10px;
    text-align: center;
}

.price {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 20px;
    text-align: center;
}

.benefits {
    list-style: none;
    margin-bottom: 25px;
}

.benefits li {
    margin-bottom: 10px;
    display: flex;
    align-items: center;
}

.benefits li i {
    color: var(--secondary-color);
    margin-right: 10px;
}

.vip-btn {
    display: block;
    text-align: center;
    padding: 10px;
    background: var(--gradient);
    color: white;
    border-radius: 25px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.vip-btn:hover {
    transform: scale(1.05);
    color: white;
    box-shadow: 0 5px 15px rgba(247, 123, 139, 0.3);
}

/* FAQ样式 */
.faq-item {
    margin-bottom: 15px;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.faq-question {
    padding: 15px;
    background: #f5f5f5;
    cursor: pointer;
    display: flex;
    align-items: flex-start;
}

.faq-question i {
    margin-right: 15px;
    font-size: 1.2rem;
    transition: transform 0.3s ease;
    color: var(--primary-color);
}

.faq-question h3 {
    font-size: 1.1rem;
    color: var(--text-color);
    line-height: 1.4;
    flex: 1;
}

.faq-answer {
    padding: 15px;
    background: white;
    display: none;
    overflow-wrap: break-word;
    word-wrap: break-word;
    word-break: break-word;
    hyphens: auto;
}

.faq-answer p {
    line-height: 1.6;
    margin-bottom: 10px;
}

.faq-item.active .faq-question i {
    transform: rotate(45deg);
}

.faq-item.active .faq-answer {
    display: block;
}

@media (max-width: 576px) {
    .faq-question h3 {
        font-size: 1rem;
    }
    
    .faq-answer {
        padding: 12px;
        font-size: 0.95rem;
    }
    
    .faq-question {
        padding: 12px;
    }
}

/* 联系我们样式 */
.contact-methods {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin: 20px 0;
}

.contact-method {
    text-align: center;
    padding: 15px;
    border-radius: 8px;
    background: #f5f5f5;
}

.contact-method i {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-right: 15px;
}

.subscription {
    background: linear-gradient(135deg, #f77b8b 0%, #f6b2b6 100%);
    padding: 25px;
    border-radius: 10px;
    color: white;
    text-align: center;
}

.subscription h3 {
    margin-bottom: 10px;
}

.subscribe-form {
    display: flex;
    margin-top: 15px;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.subscribe-form input {
    flex: 1;
    padding: 12px 15px;
    border: none;
    border-radius: 25px 0 0 25px;
    outline: none;
}

.subscribe-form button {
    background: var(--gradient);
    color: white;
    border: none;
    padding: 0 20px;
    border-radius: 0 4px 4px 0;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(250, 126, 161, 0.3);
}

.subscribe-form button:hover {
    box-shadow: 0 6px 15px rgba(250, 126, 161, 0.4);
}

/* 页脚样式 */
footer {
    padding: 40px 0 20px;
    background-color: #f9f9f9;
    border-top: 1px solid #eee;
    margin-top: 30px;
}

.footer-main {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 35px;
    max-width: 1200px;
    margin: 0 auto 30px;
    padding: 0 20px;
}

.footer-section h4 {
    font-size: 1.1rem;
    color: var(--primary-color);
    margin-bottom: 15px;
    position: relative;
    padding-bottom: 8px;
}

.footer-section h4::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 40px;
    height: 3px;
    background: var(--primary-color);
    border-radius: 2px;
}

.footer-section ul {
    list-style: none;
    padding: 0;
}

.footer-section ul li {
    margin-bottom: 10px;
}

.footer-section ul li a {
    color: #666;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
}

.footer-section ul li a:hover {
    color: var(--primary-color);
    padding-left: 5px;
}

.friend-links {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 5px;
}

.friend-links a {
    color: #777;
    padding: 5px 12px;
    border-radius: 15px;
    background-color: #f2f2f2;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.03);
    transition: all 0.3s ease;
    font-size: 0.9rem;
    display: inline-block;
}

.friend-links a:hover {
    background: rgba(250, 126, 161, 0.1);
    color: var(--primary-color);
    transform: translateY(-3px);
}

.copyright {
    text-align: center;
    color: #999;
    font-size: 0.9rem;
    padding: 15px 20px 0;
    border-top: 1px solid #eee;
    max-width: 1200px;
    margin: 0 auto;
}

@media (max-width: 992px) {
    .footer-main {
        grid-template-columns: 1fr 1fr;
        gap: 30px;
    }
}

@media (max-width: 768px) {
    .footer-main {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .friend-links {
        gap: 8px;
        justify-content: flex-start;
    }
    
    .friend-links a {
        padding: 4px 10px;
        font-size: 0.85rem;
    }
}

@media (max-width: 576px) {
    .footer-main {
        gap: 25px;
    }
    
    .friend-links {
        gap: 6px;
    }
    
    .friend-links a {
        font-size: 0.8rem;
        padding: 3px 8px;
    }
    
    .copyright {
        padding-top: 15px;
        font-size: 0.85rem;
    }
}

/* 响应式设计 */
@media (max-width: 992px) {
    .app-content, .intro-content {
        grid-template-columns: 1fr;
    }
    
    .stats {
        margin-top: 30px;
    }
}

@media (max-width: 768px) {
    .section-header h2 {
        font-size: 1.5rem;
    }
    
    .url-cards, .vip-cards {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
    
    .url-card .card-content, .vip-card {
        padding: 15px;
    }
    
    .url-card .url, .vip-card .vip-level {
        font-size: 1.2rem;
    }
    
    .url-card .description, .vip-card .benefits li {
        font-size: 0.9rem;
    }
    
    .url-card .visit-btn, .vip-card .vip-btn {
        padding: 6px 15px;
        font-size: 0.9rem;
    }
    
    .features {
        grid-template-columns: 1fr 1fr;
    }
    
    header h1 {
        font-size: 2rem;
    }
    
    .app-download-btns {
        flex-direction: column;
    }
}

@media (max-width: 576px) {
    section {
        padding: 20px;
    }
    
    .features, .stats {
        grid-template-columns: 1fr;
    }
    
    .contact-methods {
        grid-template-columns: 1fr;
    }
    
    .subscribe-form {
        flex-direction: column;
    }
    
    .subscribe-form input {
        border-radius: 25px;
        margin-bottom: 10px;
    }
    
    .subscribe-form button {
        border-radius: 25px;
    }
}

/* 返回顶部按钮样式 */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--gradient);
    color: white;
    border: none;
    box-shadow: 0 5px 15px rgba(247, 123, 139, 0.4);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    z-index: 99;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.3s ease;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: linear-gradient(135deg, #f87485, #f77b8b);
    box-shadow: 0 8px 20px rgba(247, 123, 139, 0.6);
    transform: translateY(-3px);
}

@media (max-width: 576px) {
    .back-to-top {
        width: 40px;
        height: 40px;
        bottom: 20px;
        right: 20px;
        font-size: 1rem;
    }
}

/* 关于页面功能图标 */
.feature-item .feature-icon {
    background: rgba(250, 126, 161, 0.15);
    color: var(--primary-color);
}

/* 关于页面使命列表图标 */
.mission-text li i {
    color: var(--primary-color);
    margin-right: 8px;
}

/* 隐私政策页面样式 */
.privacy-page .section-header i,
.terms-page .section-header i {
    color: var(--primary-color);
    font-size: 1.8rem;
}

.privacy-date,
.terms-date {
    text-align: right;
    color: #777;
    font-style: italic;
    margin-bottom: 20px;
}

.privacy-intro,
.terms-intro {
    margin-bottom: 30px;
    border-left: 3px solid var(--primary-color);
    padding-left: 15px;
    background-color: rgba(250, 126, 161, 0.05);
    padding: 15px;
    border-radius: 5px;
}

.privacy-section h3,
.terms-section h3 {
    color: var(--primary-color);
    margin-top: 25px;
    margin-bottom: 15px;
    font-size: 1.3rem;
}

.privacy-section h4 {
    color: #555;
    margin: 15px 0 10px 0;
    font-size: 1.1rem;
}

.privacy-list,
.terms-list {
    list-style: none;
    padding-left: 0;
}

.privacy-list li,
.terms-list li {
    margin-bottom: 8px;
    position: relative;
    padding-left: 20px;
}

.privacy-list li::marker,
.terms-list li::marker {
    display: none;
}

.privacy-list li:before,
.terms-list li:before {
    content: "•";
    color: var(--primary-color);
    font-weight: bold;
    position: absolute;
    left: 0;
}

.privacy-footer,
.terms-footer {
    margin-top: 30px;
    padding: 15px;
    background-color: rgba(250, 126, 161, 0.05);
    border-radius: 5px;
    text-align: center;
    font-style: italic;
}

/* 关于我们页面样式 */
.about-us .section-header i {
    color: var(--primary-color);
    font-size: 1.8rem;
}

.about-intro {
    margin-bottom: 30px;
}

.about-intro h3,
.about-mission h3,
.about-features h3,
.team-section h3,
.contact-section h3 {
    color: var(--primary-color);
    margin-bottom: 15px;
    font-size: 1.4rem;
}

.mission-content {
    display: flex;
    align-items: center;
    gap: 30px;
    margin-bottom: 30px;
}

.mission-image {
    flex: 0 0 150px;
}

.mission-image img {
    width: 100%;
    border-radius: 12px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.mission-text ul {
    list-style-type: none;
    padding: 0;
    margin: 15px 0;
}

.contact-list {
    list-style-type: none;
    padding: 0;
    margin: 15px 0;
}

.contact-list li {
    display: flex;
    align-items: center;
    margin-bottom: 10px;
}

.contact-list li i {
    color: var(--primary-color);
    margin-right: 10px;
    font-size: 1.2rem;
}

@media (max-width: 768px) {
    .mission-content {
        flex-direction: column;
        gap: 20px;
    }
    
    .mission-image {
        flex: 0 0 auto;
        width: 120px;
    }
}

.footer-section.site-links ul {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-section.site-links ul li {
    margin-bottom: 0;
}

@media (max-width: 576px) {
    .footer-section.site-links ul {
        gap: 15px;
    }
}

/* 关于我们页面 - 平台特色新样式 */
.features-container {
    margin: 25px 0;
}

.feature-row {
    display: flex;
    margin-bottom: 25px;
    gap: 30px;
}

.feature-row:last-child {
    margin-bottom: 0;
}

.feature-item {
    flex: 1;
    display: flex;
    background-color: #fff;
    border-radius: 15px;
    padding: 20px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.feature-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 5px;
    height: 100%;
    background: var(--gradient);
    transition: all 0.3s ease;
}

.feature-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 30px rgba(250, 126, 161, 0.15);
}

.feature-item:hover::before {
    width: 7px;
}

.feature-icon {
    width: 60px;
    height: 60px;
    border-radius: 12px;
    background: rgba(250, 126, 161, 0.1);
    display: flex;
    justify-content: center;
    align-items: center;
    margin-right: 15px;
    flex-shrink: 0;
}

.feature-icon i {
    font-size: 1.5rem;
    color: var(--primary-color);
    transition: all 0.3s ease;
}

.feature-item:hover .feature-icon i {
    transform: scale(1.2);
}

.feature-detail h4 {
    font-size: 1.2rem;
    color: var(--text-color);
    margin-bottom: 10px;
    transition: all 0.3s ease;
}

.feature-item:hover .feature-detail h4 {
    color: var(--primary-color);
}

.feature-detail p {
    color: #666;
    font-size: 0.95rem;
    line-height: 1.6;
}

/* 响应式设计 */
@media (max-width: 992px) {
    .feature-row {
        gap: 20px;
    }
    
    .feature-icon {
        width: 50px;
        height: 50px;
    }
    
    .feature-icon i {
        font-size: 1.3rem;
    }
    
    .feature-detail h4 {
        font-size: 1.1rem;
    }
}

@media (max-width: 768px) {
    .feature-row {
        flex-direction: column;
        gap: 15px;
        margin-bottom: 15px;
    }
    
    .feature-item {
        padding: 15px;
    }
}

@media (max-width: 576px) {
    .feature-icon {
        width: 45px;
        height: 45px;
    }
    
    .feature-icon i {
        font-size: 1.1rem;
    }
    
    .feature-detail h4 {
        font-size: 1rem;
    }
    
    .feature-detail p {
        font-size: 0.9rem;
    }
}

/* 统一处理所有列表，删除默认marker */
.mission-text ul,
.contact-list,
.benefits,
.app-info ul,
.footer-section ul {
    list-style: none;
    padding-left: 0;
}

.mission-text li::marker,
.contact-list li::marker,
.benefits li::marker,
.app-info li::marker,
.footer-section ul li::marker {
    display: none;
}