/* ========================================
   上海后花园论坛 - 全新现代化样式
   ======================================== */

/* CSS变量定义 */
:root {
    --primary-color: #667eea;
    --primary-dark: #5a67d8;
    --secondary-color: #764ba2;
    --accent-color: #f093fb;
    --success-color: #48bb78;
    --warning-color: #ed8936;
    --danger-color: #f56565;
    --dark-color: #1a202c;
    --gray-100: #f7fafc;
    --gray-200: #edf2f7;
    --gray-300: #e2e8f0;
    --gray-400: #cbd5e0;
    --gray-500: #a0aec0;
    --gray-600: #718096;
    --gray-700: #4a5568;
    --gray-800: #2d3748;
    --gray-900: #1a202c;
    --white: #ffffff;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --radius-sm: 6px;
    --radius: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans', sans-serif, 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol', 'Noto Color Emoji';
    line-height: 1.6;
    color: var(--gray-800);
    background-color: var(--gray-100);
}

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

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

/* ========================================
   头部样式 - Header (全新设计)
   ======================================== */

/* 顶部通栏 - 更简洁 */
.top-bar {
    background: var(--gray-900);
    color: var(--white);
    padding: 8px 0;
    font-size: 13px;
    border-bottom: 1px solid var(--gray-800);
}

.top-bar .container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.top-nav {
    display: flex;
    align-items: center;
    gap: 8px;
}

.top-nav a {
    color: var(--gray-400);
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    gap: 6px;
    white-space: nowrap;
    transition: var(--transition);
}

.top-nav a:hover {
    color: var(--white);
    background: var(--gray-800);
}

.top-nav a:first-child {
    color: var(--warning-color);
    font-weight: 500;
    background: rgba(237, 137, 54, 0.1);
}

.top-service {
    display: flex;
    align-items: center;
    gap: 16px;
}

.search-box {
    position: relative;
}

.search-box input {
    width: 240px;
    padding: 8px 16px;
    padding-right: 36px;
    border: 1px solid var(--gray-700);
    border-radius: 50px;
    background: var(--gray-800);
    color: var(--white);
    font-size: 13px;
    transition: var(--transition);
}

.search-box input::placeholder {
    color: var(--gray-500);
}

.search-box input:focus {
    outline: none;
    border-color: var(--primary-color);
    background: var(--gray-900);
    width: 280px;
}

.search-box i {
    position: absolute;
    right: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray-500);
    cursor: pointer;
    font-size: 12px;
}

.user-entrance {
    display: flex;
    gap: 8px;
}

.user-entrance a {
    color: var(--gray-400);
    padding: 6px 14px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    gap: 6px;
    white-space: nowrap;
    transition: var(--transition);
}

.user-entrance a:hover {
    color: var(--white);
    background: var(--gray-800);
}

/* 主头部 - 更大更大气 */
header {
    background: var(--white);
    box-shadow: var(--shadow-md);
    z-index: 100;
}

header .container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 24px;
}

.header-main {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 0;
    gap: 40px;
}

/* Logo区域 */
.logo {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-shrink: 0;
}

.logo img {
    width: 70px;
    height: 70px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
}

.logo-text h1 {
    font-size: 32px;
    font-weight: 800;
    color: var(--gray-800);
    margin-bottom: 6px;
    letter-spacing: -0.5px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-text p {
    font-size: 14px;
    color: var(--gray-500);
    white-space: nowrap;
}

/* 头部功能区域 */
.header-func {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 16px;
}

.quick-entry {
    display: flex;
    gap: 12px;
}

.quick-entry a {
    padding: 12px 24px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    border-radius: var(--radius);
    font-size: 15px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
    white-space: nowrap;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.quick-entry a:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.quick-entry a:nth-child(2) {
    background: linear-gradient(135deg, #f093fb, #f5576c);
}

.quick-entry a:nth-child(3) {
    background: linear-gradient(135deg, #4facfe, #00f2fe);
}

.ad-banner {
    padding: 10px 20px;
    background: linear-gradient(135deg, #fff9e6, #fff5d6);
    border: 1px solid #f0e4c3;
    border-radius: var(--radius);
    font-size: 14px;
    color: var(--gray-700);
    display: flex;
    align-items: center;
    gap: 10px;
    white-space: nowrap;
}

.ad-banner i {
    color: #d69e2e;
    font-size: 16px;
}

/* 核心导航栏 - 更宽敞 */
.main-nav {
    padding: 0;
    background: var(--gray-50);
    border-top: 1px solid var(--gray-100);
}

.nav-list {
    display: flex;
    gap: 4px;
    list-style: none;
    padding: 8px 0;
}

.nav-list li {
    flex: 1;
}

.nav-list li a {
    padding: 14px 16px;
    border-radius: var(--radius-sm);
    font-size: 15px;
    font-weight: 600;
    color: var(--gray-700);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    white-space: nowrap;
    transition: var(--transition);
}

.nav-list li a:hover,
.nav-list li a.active {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    box-shadow: var(--shadow);
}

.nav-list li a i {
    font-size: 16px;
}

/* ========================================
   页脚样式 - Footer (全新设计)
   ======================================== */
.site-footer {
    background: linear-gradient(180deg, #1a1f2e 0%, #0f1219 100%);
    color: var(--gray-300);
    margin-top: 0;
}

/* 页脚主内容区 */
.footer-main {
    padding: 80px 0 60px;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.footer-main .container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 24px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 380px 1fr;
    gap: 80px;
}

/* 品牌区域 */
.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.brand-header {
    display: flex;
    align-items: center;
    gap: 16px;
}

.brand-logo {
    width: 60px;
    height: 60px;
    border-radius: var(--radius);
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    padding: 4px;
}

.brand-info h2 {
    font-size: 24px;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 4px;
    background: linear-gradient(135deg, #fff, var(--gray-300));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.brand-tag {
    font-size: 13px;
    color: var(--primary-color);
    font-weight: 500;
}

.brand-desc {
    font-size: 14px;
    line-height: 1.8;
    color: var(--gray-500);
}

.brand-stats {
    display: flex;
    gap: 32px;
}

.stat-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.stat-value {
    font-size: 28px;
    font-weight: 800;
    color: var(--white);
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 13px;
    color: var(--gray-500);
}

.social-links {
    display: flex;
    gap: 12px;
}

.social-link {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius);
    color: var(--gray-400);
    font-size: 18px;
    transition: var(--transition);
}

.social-link:hover {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-color: transparent;
    color: var(--white);
    transform: translateY(-3px);
}

/* 导航链接组 */
.footer-links {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
}

.link-group {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.group-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--white);
    position: relative;
    padding-bottom: 12px;
}

.group-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 2px;
}

.link-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.link-list a {
    font-size: 14px;
    color: var(--gray-500);
    display: flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
}

.link-list a::before {
    content: '›';
    color: var(--primary-color);
    font-size: 18px;
    line-height: 1;
    opacity: 0;
    transform: translateX(-10px);
    transition: var(--transition);
}

.link-list a:hover {
    color: var(--white);
    padding-left: 8px;
}

.link-list a:hover::before {
    opacity: 1;
    transform: translateX(0);
}

.contact-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.contact-list li {
    font-size: 14px;
    color: var(--gray-400);
    display: flex;
    align-items: center;
    gap: 10px;
}

.contact-list li i {
    color: var(--primary-color);
    width: 20px;
}

/* 认证与服务承诺 */
.footer-features {
    padding: 40px 0;
    background: rgba(0,0,0,0.2);
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.footer-features .container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 24px;
}

.features-grid {
    display: flex;
    justify-content: center;
    gap: 80px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--gray-400);
}

.feature-item i {
    font-size: 24px;
    color: var(--primary-color);
}

.feature-item span {
    font-size: 15px;
    font-weight: 500;
}

/* 页脚底部 */
.footer-bottom {
    padding: 30px 0;
    background: rgba(0,0,0,0.3);
}

.footer-bottom .container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 24px;
}

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

.cert-badges {
    display: flex;
    gap: 16px;
}

.cert-badge {
    padding: 6px 12px;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius-sm);
    font-size: 12px;
    color: var(--gray-500);
}

.copyright {
    font-size: 14px;
    color: var(--gray-400);
    font-weight: 500;
}

.legal-links {
    display: flex;
    gap: 24px;
}

.legal-links a {
    font-size: 13px;
    color: var(--gray-500);
    position: relative;
}

.legal-links a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--primary-color);
    transition: var(--transition);
}

.legal-links a:hover {
    color: var(--white);
}

.legal-links a:hover::after {
    width: 100%;
}

.disclaimer {
    text-align: center;
    font-size: 12px;
    color: var(--gray-600);
    line-height: 1.6;
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.05);
}

/* ========================================
   主要内容包装器
   ======================================== */
.main-content-wrapper {
    min-height: 100vh;
}

/* ========================================
   Hero区域 - 论坛介绍
   ======================================== */
.forum-hero-section {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    padding: 80px 0 100px;
    position: relative;
    overflow: hidden;
}

.forum-hero-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 800px;
    height: 800px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 50%;
    animation: float 20s infinite ease-in-out;
}

.forum-hero-section::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -5%;
    width: 600px;
    height: 600px;
    background: rgba(255, 255, 255, 0.02);
    border-radius: 50%;
    animation: float 25s infinite ease-in-out reverse;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    33% { transform: translate(30px, -30px) rotate(120deg); }
    66% { transform: translate(-20px, 20px) rotate(240deg); }
}

.hero-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 24px;
    display: grid;
    grid-template-columns: 1.8fr 1fr;
    gap: 60px;
    align-items: start;
    position: relative;
    z-index: 1;
}

/* Hero主内容区 */
.hero-main {
    color: var(--white);
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    padding: 10px 20px;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 24px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.hero-badge i {
    color: #ffd700;
    font-size: 16px;
}

.hero-title {
    font-size: 56px;
    font-weight: 800;
    margin-bottom: 16px;
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.2);
    letter-spacing: -1px;
}

.hero-desc {
    font-size: 18px;
    opacity: 0.9;
    margin-bottom: 40px;
    max-width: 500px;
    line-height: 1.7;
}

/* 核心数据展示 */
.hero-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-bottom: 40px;
}

.stat-box {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--radius);
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    transition: var(--transition);
}

.stat-box:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-3px);
}

.stat-icon {
    width: 44px;
    height: 44px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
}

.stat-info {
    display: flex;
    flex-direction: column;
}

.stat-num {
    font-size: 22px;
    font-weight: 700;
    color: #ffd700;
}

.stat-text {
    font-size: 13px;
    opacity: 0.8;
}

/* 快速入口按钮 */
.hero-actions {
    display: flex;
    gap: 16px;
}

.btn-primary,
.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: var(--radius);
    font-size: 16px;
    font-weight: 600;
    transition: var(--transition);
}

.btn-primary {
    background: var(--white);
    color: var(--primary-color);
    box-shadow: var(--shadow-lg);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* 左下角四张图片 */
.hero-bottom-images {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    margin-top: 40px;
}

.hero-image-item {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.hero-image-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.hero-image-item img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    transition: var(--transition-slow);
}

.hero-image-item:hover img {
    transform: scale(1.1);
}

/* Hero侧边栏 */
.hero-sidebar {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* 信息卡片通用样式 */
.info-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: var(--shadow-lg);
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--gray-100);
}

.header-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 700;
    font-size: 16px;
    color: var(--gray-800);
}

.header-title i {
    color: var(--primary-color);
}

.header-more {
    font-size: 13px;
    color: var(--gray-500);
}

.header-more:hover {
    color: var(--primary-color);
}

/* 热门话题卡片 */
.topic-list {
    list-style: none;
}

.topic-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 0;
    border-bottom: 1px solid var(--gray-100);
    transition: var(--transition);
}

.topic-item:last-child {
    border-bottom: none;
}

.topic-item:hover {
    padding-left: 8px;
}

.topic-rank {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gray-200);
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 700;
    color: var(--gray-600);
    flex-shrink: 0;
}

.topic-rank.top {
    background: linear-gradient(135deg, #ffd700, #ffed4a);
    color: var(--gray-800);
}

.topic-text {
    flex: 1;
    font-size: 14px;
    color: var(--gray-700);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.topic-hot {
    font-size: 12px;
    color: var(--gray-400);
}

.topic-hot .fa-arrow-up {
    color: var(--danger-color);
}

.topic-hot .fa-arrow-down {
    color: var(--success-color);
}

/* 最新动态卡片 */
.news-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.news-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.news-item:hover {
    background: var(--gray-100);
}

.news-item img {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-sm);
    object-fit: cover;
}

.news-info {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.news-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--gray-800);
}

.news-time {
    font-size: 12px;
    color: var(--gray-500);
}

/* 公告卡片 */
.notice-card {
    background: linear-gradient(135deg, #fff9e6 0%, #fff5d6 100%);
    border: 1px solid #f0e4c3;
}

.notice-card .header-title i {
    color: #d69e2e;
}

.notice-content {
    font-size: 14px;
    line-height: 1.8;
    color: var(--gray-700);
}

/* ========================================
   精选板块区域
   ======================================== */
.featured-section {
    padding: 80px 0;
    background: var(--white);
}

.section-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 24px;
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 40px;
}

.section-header.center {
    flex-direction: column;
    text-align: center;
}

.header-left {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.section-title {
    font-size: 32px;
    font-weight: 800;
    color: var(--gray-800);
    display: flex;
    align-items: center;
    gap: 12px;
}

.section-title i {
    color: var(--primary-color);
}

.section-subtitle {
    font-size: 16px;
    color: var(--gray-500);
}

.btn-view-all {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: var(--gray-100);
    border-radius: var(--radius);
    font-weight: 600;
    color: var(--gray-700);
    transition: var(--transition);
}

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

/* 板块网格 */
.category-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.category-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 24px;
    background: var(--white);
    border: 2px solid var(--gray-100);
    border-radius: var(--radius-lg);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.category-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: var(--category-color);
    opacity: 0;
    transition: var(--transition);
}

.category-item:hover {
    border-color: var(--category-color);
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.category-item:hover::before {
    opacity: 1;
}

.item-icon {
    width: 56px;
    height: 56px;
    background: var(--category-color);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 24px;
    flex-shrink: 0;
}

.item-content {
    flex: 1;
}

.item-content h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--gray-800);
    margin-bottom: 4px;
}

.item-content p {
    font-size: 13px;
    color: var(--gray-500);
}

.item-arrow {
    color: var(--gray-300);
    transition: var(--transition);
}

.category-item:hover .item-arrow {
    color: var(--category-color);
    transform: translateX(4px);
}

/* ========================================
   内容展示区域
   ======================================== */
.content-showcase {
    padding: 80px 0;
    background: var(--gray-100);
}

.showcase-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 24px;
    display: grid;
    grid-template-columns: 1fr 360px;
    gap: 40px;
}

/* 内容标签页 */
.content-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 24px;
    background: var(--white);
    padding: 6px;
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
}

.tab-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    border: none;
    background: transparent;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 600;
    color: var(--gray-600);
    cursor: pointer;
    transition: var(--transition);
}

.tab-btn:hover {
    color: var(--primary-color);
    background: var(--gray-100);
}

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

/* 内容卡片 */
.content-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.content-card {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 0;
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.content-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.card-image {
    position: relative;
    height: 100%;
    min-height: 200px;
}

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

.image-tag {
    position: absolute;
    top: 12px;
    left: 12px;
    padding: 6px 12px;
    background: var(--primary-color);
    color: var(--white);
    border-radius: var(--radius-sm);
    font-size: 12px;
    font-weight: 600;
}

.card-body {
    padding: 24px;
    display: flex;
    flex-direction: column;
}

.card-body h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 12px;
    line-height: 1.4;
}

.card-body h3 a:hover {
    color: var(--primary-color);
}

.card-body p {
    font-size: 14px;
    color: var(--gray-600);
    line-height: 1.7;
    margin-bottom: 16px;
    flex: 1;
}

.card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 16px;
    border-top: 1px solid var(--gray-100);
}

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

.author img {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    object-fit: cover;
}

.author span {
    font-size: 14px;
    font-weight: 600;
    color: var(--gray-700);
}

.meta {
    display: flex;
    gap: 16px;
    font-size: 13px;
    color: var(--gray-500);
}

.meta i {
    margin-right: 4px;
}

/* 侧边栏 */
.showcase-sidebar {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.sidebar-widget {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: var(--shadow);
}

.widget-header {
    margin-bottom: 20px;
}

.widget-header h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--gray-800);
    display: flex;
    align-items: center;
    gap: 8px;
}

.widget-header h3 i {
    color: var(--primary-color);
}

/* 活跃用户列表 */
.user-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.user-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.user-item:hover {
    background: var(--gray-100);
}

.user-item img {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    object-fit: cover;
}

.user-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.user-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--gray-800);
}

.user-rank {
    font-size: 12px;
    color: var(--primary-color);
    font-weight: 600;
}

.user-score {
    font-size: 13px;
    font-weight: 700;
    color: var(--gray-500);
}

/* 精选版块 */
.featured-categories {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.category-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: var(--gray-50);
    border-radius: var(--radius);
    transition: var(--transition);
}

.category-link:hover {
    background: var(--gray-100);
    transform: translateX(4px);
}

.category-link i {
    font-size: 18px;
    width: 32px;
    text-align: center;
}

.category-link span {
    font-size: 14px;
    font-weight: 500;
    color: var(--gray-700);
}

/* 标签云 */
.tag-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tag {
    padding: 8px 16px;
    background: var(--gray-100);
    border-radius: 50px;
    font-size: 13px;
    font-weight: 500;
    color: var(--gray-700);
    transition: var(--transition);
}

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

/* ========================================
   娱乐推荐区域
   ======================================== */
.recommendation-section {
    padding: 80px 0;
    background: var(--white);
}

.recommendation-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.recommend-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid var(--gray-100);
}

.recommend-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.recommend-card.large {
    grid-column: span 2;
    grid-row: span 2;
    display: grid;
    grid-template-columns: 1fr 1fr;
}

.recommend-card.large .card-image {
    height: 100%;
}

.recommend-card.large .card-content {
    padding: 32px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.recommend-card.large h3 {
    font-size: 22px;
    margin-bottom: 16px;
}

.recommend-card.large p {
    font-size: 15px;
    line-height: 1.8;
    color: var(--gray-600);
    margin-bottom: 20px;
}

.recommend-card .card-image {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.recommend-card .card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

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

.card-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    padding: 6px 14px;
    background: linear-gradient(135deg, #ffd700, #ffed4a);
    color: var(--gray-800);
    border-radius: var(--radius-sm);
    font-size: 12px;
    font-weight: 700;
}

.card-content {
    padding: 20px;
}

.card-meta-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
}

.category {
    padding: 4px 12px;
    background: var(--gray-100);
    border-radius: 50px;
    font-size: 12px;
    font-weight: 600;
    color: var(--primary-color);
}

.views {
    font-size: 13px;
    color: var(--gray-500);
}

.card-content h3 {
    font-size: 16px;
    font-weight: 700;
    line-height: 1.5;
    margin-bottom: 12px;
}

.card-content h3 a:hover {
    color: var(--primary-color);
}

.card-meta {
    display: flex;
    gap: 16px;
    font-size: 13px;
    color: var(--gray-500);
}

.card-meta-bottom {
    display: flex;
    gap: 20px;
    font-size: 14px;
    color: var(--gray-500);
}

/* ========================================
   上海后花园论坛热门话题区域
   ======================================== */
.hot-topics-section {
    padding: 80px 0;
    background: linear-gradient(180deg, var(--gray-100) 0%, var(--white) 100%);
}

/* 热门话题网格 */
.hot-topics-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-bottom: 48px;
}

/* 热门话题卡片 */
.hot-topic-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.hot-topic-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

/* 排名徽章 */
.topic-rank {
    position: absolute;
    top: 16px;
    left: 16px;
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: 800;
    z-index: 2;
    box-shadow: var(--shadow-md);
}

.hot-topic-card:nth-child(1) .topic-rank {
    background: linear-gradient(135deg, #ffd700, #ffed4a);
    color: var(--gray-800);
}

.hot-topic-card:nth-child(2) .topic-rank {
    background: linear-gradient(135deg, #c0c0c0, #e8e8e8);
    color: var(--gray-800);
}

.hot-topic-card:nth-child(3) .topic-rank {
    background: linear-gradient(135deg, #cd7f32, #daa06d);
    color: var(--white);
}

/* 话题图片 */
.topic-image {
    height: 200px;
    overflow: hidden;
}

.topic-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.hot-topic-card:hover .topic-image img {
    transform: scale(1.1);
}

/* 话题内容 */
.topic-content {
    padding: 20px;
}

.topic-tags {
    display: flex;
    gap: 8px;
    margin-bottom: 12px;
    flex-wrap: wrap;
}

.topic-tag {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    background: rgba(102, 126, 234, 0.1);
    color: var(--primary-color);
    border-radius: 50px;
    font-size: 11px;
    font-weight: 600;
    border: 1px solid rgba(102, 126, 234, 0.2);
}

.topic-tag.hot {
    background: rgba(245, 101, 101, 0.1);
    color: #f56565;
    border-color: rgba(245, 101, 101, 0.3);
}

.topic-tag.new {
    background: rgba(72, 187, 120, 0.1);
    color: #48bb78;
    border-color: rgba(72, 187, 120, 0.3);
}

.topic-tag.food {
    background: rgba(240, 147, 251, 0.1);
    color: #f093fb;
    border-color: rgba(240, 147, 251, 0.3);
}

.topic-tag.activity {
    background: rgba(102, 126, 234, 0.1);
    color: var(--primary-color);
    border-color: rgba(102, 126, 234, 0.3);
}

.topic-tag.life {
    background: rgba(79, 172, 254, 0.1);
    color: #4facfe;
    border-color: rgba(79, 172, 254, 0.3);
}

.topic-tag.travel {
    background: rgba(67, 233, 123, 0.1);
    color: #43e97b;
    border-color: rgba(67, 233, 123, 0.3);
}

.topic-tag i {
    font-size: 10px;
}

.topic-title {
    font-size: 16px;
    font-weight: 700;
    line-height: 1.4;
    margin-bottom: 10px;
}

.topic-title a {
    color: var(--gray-800);
    transition: color 0.3s ease;
}

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

.topic-desc {
    font-size: 13px;
    color: var(--gray-600);
    line-height: 1.6;
    margin-bottom: 16px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* 话题底部 */
.topic-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 16px;
    border-top: 1px solid var(--gray-200);
}

.topic-author {
    display: flex;
    align-items: center;
    gap: 10px;
}

.topic-author img {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--gray-200);
}

.topic-author-name {
    font-size: 13px;
    font-weight: 600;
    color: var(--gray-700);
}

.topic-meta {
    display: flex;
    gap: 12px;
    font-size: 12px;
    color: var(--gray-500);
}

.topic-meta span {
    display: flex;
    align-items: center;
    gap: 4px;
}

.topic-meta i {
    color: #f56565;
}

/* 双栏布局容器 */
.hot-topics-lists-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
}

/* 实时热门话题榜 */
.hot-topics-list-section {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 32px;
    box-shadow: var(--shadow);
}

.topics-list-header {
    margin-bottom: 24px;
}

.topics-list-header h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--gray-800);
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 6px;
}

.topics-list-header i {
    color: var(--primary-color);
}

.topics-list-subtitle {
    font-size: 14px;
    color: var(--gray-500);
    margin: 0;
}

.topics-list {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.topic-list-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 16px 0;
    border-bottom: 1px solid var(--gray-100);
    transition: all 0.3s ease;
}

.topic-list-item:last-child {
    border-bottom: none;
}

.topic-list-item:hover {
    padding-left: 12px;
}

.topic-list-rank {
    width: 36px;
    height: 36px;
    background: var(--gray-100);
    color: var(--gray-600);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    font-weight: 700;
    flex-shrink: 0;
}

.topic-list-rank.top1 {
    background: linear-gradient(135deg, #ffd700, #ffed4a);
    color: var(--gray-800);
}

.topic-list-rank.top2 {
    background: linear-gradient(135deg, #c0c0c0, #e8e8e8);
    color: var(--gray-800);
}

.topic-list-rank.top3 {
    background: linear-gradient(135deg, #cd7f32, #daa06d);
    color: var(--white);
}

.topic-list-content {
    flex: 1;
    min-width: 0;
}

.topic-list-content h4 {
    font-size: 15px;
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: 6px;
    line-height: 1.4;
    transition: color 0.3s ease;
}

.topic-list-item:hover .topic-list-content h4 {
    color: var(--primary-color);
}

.topic-list-desc {
    font-size: 13px;
    color: var(--gray-500);
    line-height: 1.5;
    margin-bottom: 8px;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.topic-list-meta {
    font-size: 12px;
    color: var(--gray-500);
    display: flex;
    align-items: center;
    gap: 6px;
}

.topic-list-meta i {
    color: #f56565;
}

.topic-list-trend {
    font-size: 16px;
    flex-shrink: 0;
    margin-top: 4px;
}

.topic-list-trend.up {
    color: #f56565;
}

.topic-list-trend.down {
    color: #48bb78;
}

.topic-list-trend.same {
    color: var(--gray-400);
}

.topic-list-trend.trophy {
    color: #ffd700;
}

.topic-list-trend.chart {
    color: var(--primary-color);
}

.topic-list-trend.star {
    color: #f093fb;
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .hot-topics-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .hot-topics-grid {
        grid-template-columns: 1fr;
    }
    
    .hot-topics-lists-wrapper {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .hot-topics-list-section {
        padding: 24px;
    }
    
    .topic-list-item {
        padding: 12px 0;
    }
}

/* ========================================
   加入指南区域
   ======================================== */
.join-guide-section {
    padding: 80px 0;
    background: linear-gradient(180deg, var(--white) 0%, var(--gray-50) 100%);
}

.join-guide-content {
    display: flex;
    flex-direction: column;
    gap: 60px;
}

/* 介绍部分 */
.guide-intro {
    display: grid;
    grid-template-columns: 400px 1fr;
    gap: 40px;
    align-items: center;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.05) 0%, rgba(118, 75, 162, 0.05) 100%);
    padding: 40px;
    border-radius: var(--radius-lg);
}

.intro-image {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.intro-image img {
    width: 100%;
    height: 280px;
    object-fit: cover;
    transition: var(--transition-slow);
}

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

.intro-text h3 {
    font-size: 24px;
    font-weight: 700;
    color: var(--gray-800);
    margin-bottom: 16px;
}

.intro-text p {
    font-size: 15px;
    color: var(--gray-600);
    line-height: 1.8;
    margin-bottom: 20px;
}

.intro-benefits {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

.intro-benefits li {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--gray-700);
}

.intro-benefits li i {
    color: var(--success-color);
    font-size: 18px;
}

/* 步骤卡片 */
.guide-steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.step-card {
    background: var(--white);
    padding: 40px 28px 32px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    border: 2px solid var(--gray-100);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.step-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    opacity: 0;
    transition: var(--transition);
}

.step-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.step-card:hover::before {
    opacity: 1;
}

.step-number {
    position: absolute;
    top: 16px;
    left: 20px;
    font-size: 18px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.step-icon {
    width: 72px;
    height: 72px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    font-size: 32px;
    color: var(--white);
    box-shadow: var(--shadow-md);
}

.step-card h4 {
    font-size: 20px;
    font-weight: 700;
    color: var(--gray-800);
    text-align: center;
    margin-bottom: 16px;
}

.step-card p {
    font-size: 14px;
    color: var(--gray-600);
    line-height: 1.7;
    text-align: center;
    margin-bottom: 20px;
}

.step-tip {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    background: var(--gray-50);
    border-radius: var(--radius);
    font-size: 13px;
    color: var(--gray-700);
}

.step-tip i {
    color: var(--warning-color);
    font-size: 16px;
}

/* CTA区域 */
.join-cta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    padding: 40px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
}

.cta-text h3 {
    font-size: 28px;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 8px;
}

.cta-text p {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.9);
}

.cta-buttons {
    display: flex;
    gap: 16px;
}

.btn-cta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    border-radius: var(--radius);
    font-size: 16px;
    font-weight: 600;
    transition: var(--transition);
}

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

.btn-cta-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.btn-cta-secondary {
    background: rgba(255, 255, 255, 0.15);
    color: var(--white);
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-cta-secondary:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: translateY(-2px);
}

/* ========================================
   论坛介绍区域
   ======================================== */
.forum-intro-section {
    padding: 80px 0;
    background: linear-gradient(180deg, var(--white) 0%, var(--gray-50) 100%);
}

.established-badge {
    padding: 8px 20px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    border-radius: 50px;
    font-size: 14px;
    font-weight: 600;
}

.forum-intro-content {
    display: grid;
    grid-template-columns: 320px 1fr;
    gap: 60px;
    margin-bottom: 60px;
}

/* 左侧 */
.intro-left {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.intro-logo {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    padding: 40px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
}

.intro-logo img {
    width: 120px;
    height: 120px;
    object-fit: contain;
    filter: brightness(0) invert(1);
}

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

.stat-item {
    background: var(--white);
    padding: 24px;
    border-radius: var(--radius);
    text-align: center;
    box-shadow: var(--shadow);
    border: 2px solid var(--gray-100);
    transition: var(--transition);
}

.stat-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-color);
}

.stat-value {
    display: block;
    font-size: 28px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 4px;
}

.stat-label {
    font-size: 13px;
    color: var(--gray-600);
}

/* 右侧 */
.intro-right {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.intro-block {
    background: var(--white);
    padding: 32px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
}

.intro-block h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--gray-800);
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
}

.intro-block h3 i {
    color: var(--primary-color);
}

.intro-block p {
    font-size: 15px;
    color: var(--gray-600);
    line-height: 1.8;
}

.intro-block .highlight {
    color: var(--primary-color);
    font-weight: 600;
}

/* 内容标签 */
.content-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.content-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 18px;
    background: var(--gray-50);
    border-radius: 50px;
    font-size: 14px;
    color: var(--gray-700);
    transition: var(--transition);
}

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

.content-tag i {
    color: var(--primary-color);
    font-size: 14px;
}

.content-tag:hover i {
    color: var(--white);
}

/* 核心优势 */
.advantages-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.advantage-item {
    display: flex;
    gap: 16px;
}

.advantage-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 20px;
    flex-shrink: 0;
}

.advantage-text h4 {
    font-size: 16px;
    font-weight: 700;
    color: var(--gray-800);
    margin-bottom: 6px;
}

.advantage-text p {
    font-size: 13px;
    color: var(--gray-600);
    line-height: 1.6;
}

/* 发展历程 */
.timeline-section {
    background: linear-gradient(135deg, #1a1f2e 0%, #2d3748 100%);
    padding: 48px;
    border-radius: var(--radius-lg);
    margin-bottom: 40px;
}

.timeline-section h3 {
    font-size: 22px;
    font-weight: 700;
    color: var(--white);
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 40px;
}

.timeline-section h3 i {
    color: var(--primary-color);
}

.timeline {
    display: flex;
    justify-content: space-between;
    position: relative;
}

.timeline::before {
    content: '';
    position: absolute;
    top: 20px;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 2px;
}

.timeline-item {
    position: relative;
    text-align: center;
    flex: 1;
    padding-top: 50px;
}

.timeline-year {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 14px;
    font-weight: 700;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
    z-index: 1;
}

.timeline-content h4 {
    font-size: 15px;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 8px;
}

.timeline-content p {
    font-size: 12px;
    color: var(--gray-400);
    line-height: 1.5;
    max-width: 160px;
    margin: 0 auto;
}

/* 使命宣言 */
.mission-section {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    padding: 48px;
    border-radius: var(--radius-lg);
    text-align: center;
}

.mission-quote {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.quote-icon {
    font-size: 32px;
    color: rgba(255, 255, 255, 0.3);
}

.mission-quote p {
    font-size: 20px;
    color: var(--white);
    line-height: 1.8;
    margin: 20px 0;
}

.mission-highlight {
    font-weight: 700;
    color: #ffd700;
}

/* ========================================
   娱乐推荐区域 - 高端大气设计
   ======================================== */
.recommendation-section {
    padding: 100px 0;
    background: linear-gradient(180deg, #f8fafc 0%, #ffffff 50%, #f8fafc 100%);
    position: relative;
    overflow: hidden;
}

.recommendation-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 20%, rgba(102, 126, 234, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(118, 75, 162, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

/* 版块头部 */
.rec-section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 60px;
    position: relative;
    z-index: 1;
}

.rec-header-left {
    display: flex;
    align-items: center;
    gap: 24px;
}

.rec-icon-wrapper {
    width: 72px;
    height: 72px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 32px;
    box-shadow: 0 20px 40px rgba(102, 126, 234, 0.4);
    flex-shrink: 0;
    animation: pulse-glow 3s ease-in-out infinite;
}

@keyframes pulse-glow {
    0%, 100% {
        box-shadow: 0 20px 40px rgba(102, 126, 234, 0.4);
    }
    50% {
        box-shadow: 0 20px 60px rgba(102, 126, 234, 0.6);
    }
}

.rec-header-content {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.rec-section-title {
    font-size: 36px;
    font-weight: 900;
    color: var(--gray-800);
    margin: 0;
    letter-spacing: -0.5px;
}

.rec-section-desc {
    font-size: 16px;
    color: var(--gray-600);
    margin: 0;
}

/* 分类标签 */
.rec-category-tabs {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.rec-tab-btn {
    padding: 10px 24px;
    background: var(--white);
    border: 2px solid var(--gray-200);
    border-radius: 50px;
    font-size: 14px;
    font-weight: 600;
    color: var(--gray-700);
    cursor: pointer;
    transition: all 0.3s ease;
}

.rec-tab-btn:hover {
    background: rgba(102, 126, 234, 0.1);
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-2px);
}

.rec-tab-btn.active {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-color: transparent;
    color: var(--white);
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.3);
}

/* 3列卡片网格 */
.rec-cards-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    position: relative;
    z-index: 1;
}

/* 通用卡片样式 */
.rec-card {
    background: var(--white);
    border-radius: 24px;
    overflow: hidden;
    border: 1px solid var(--gray-200);
    box-shadow: var(--shadow);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.rec-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0) 0%, rgba(118, 75, 162, 0) 100%);
    transition: all 0.4s ease;
    opacity: 0;
    pointer-events: none;
}

.rec-card:hover::before {
    opacity: 1;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.03) 0%, rgba(118, 75, 162, 0.03) 100%);
}

.rec-card:hover {
    transform: translateY(-12px) scale(1.02);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

/* 特色大卡片 */
.rec-card-featured {
    grid-column: span 2;
}

.rec-card-featured .rec-card-image {
    height: 360px;
}

.rec-card-featured .rec-card-title {
    font-size: 24px;
}

.rec-card-featured .rec-card-desc {
    font-size: 15px;
}

/* 卡片图片 */
.rec-card-image {
    position: relative;
    height: 240px;
    overflow: hidden;
}

.rec-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.rec-card:hover .rec-card-image img {
    transform: scale(1.1);
}

.rec-card-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(transparent 40%, rgba(0, 0, 0, 0.7) 100%);
    opacity: 0;
    transition: opacity 0.4s ease;
}

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

/* 卡片徽章 */
.rec-card-badge {
    position: absolute;
    top: 20px;
    left: 20px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: var(--gray-100);
    color: var(--gray-700);
    border-radius: 50px;
    font-size: 12px;
    font-weight: 700;
    border: 1px solid var(--gray-200);
    z-index: 1;
    box-shadow: var(--shadow-sm);
}

.rec-card-badge.featured {
    background: linear-gradient(135deg, #ffd700, #ffed4a);
    color: var(--gray-800);
    border-color: transparent;
    box-shadow: 0 10px 30px rgba(255, 215, 0, 0.4);
}

.rec-card-badge.featured i {
    color: #d69e2e;
}

.rec-card-badge.hot {
    background: linear-gradient(135deg, #f56565, #fc8181);
    border-color: transparent;
    box-shadow: 0 10px 30px rgba(245, 101, 101, 0.4);
}

/* 卡片内容 */
.rec-card-content {
    padding: 28px;
}

.rec-card-tags {
    display: flex;
    gap: 8px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.rec-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    background: rgba(102, 126, 234, 0.1);
    color: var(--primary-color);
    border-radius: 50px;
    font-size: 12px;
    font-weight: 600;
    border: 1px solid rgba(102, 126, 234, 0.2);
}

.rec-tag.food {
    background: rgba(240, 147, 251, 0.1);
    color: #f093fb;
    border-color: rgba(240, 147, 251, 0.3);
}

.rec-tag.travel {
    background: rgba(79, 172, 254, 0.1);
    color: #4facfe;
    border-color: rgba(79, 172, 254, 0.3);
}

.rec-tag.activity {
    background: rgba(102, 126, 234, 0.1);
    color: var(--primary-color);
    border-color: rgba(102, 126, 234, 0.3);
}

.rec-tag.culture {
    background: rgba(67, 233, 123, 0.1);
    color: #43e97b;
    border-color: rgba(67, 233, 123, 0.3);
}

.rec-tag.hot {
    background: rgba(245, 101, 101, 0.1);
    color: #f56565;
    border-color: rgba(245, 101, 101, 0.3);
}

.rec-tag i {
    font-size: 10px;
}

.rec-card-title {
    font-size: 18px;
    font-weight: 800;
    line-height: 1.4;
    margin-bottom: 12px;
    color: var(--gray-800);
}

.rec-card-title a {
    color: inherit;
    transition: color 0.3s ease;
}

.rec-card-title a:hover {
    color: var(--primary-color);
}

.rec-card-desc {
    font-size: 14px;
    color: var(--gray-600);
    line-height: 1.7;
    margin-bottom: 20px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* 卡片底部 */
.rec-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 20px;
    border-top: 1px solid var(--gray-200);
}

.rec-card-author {
    display: flex;
    align-items: center;
    gap: 10px;
}

.rec-card-author img {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--gray-200);
}

.rec-author-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--gray-700);
}

.rec-card-meta {
    display: flex;
    gap: 16px;
    font-size: 13px;
    color: var(--gray-500);
}

.rec-card-meta span {
    display: flex;
    align-items: center;
    gap: 5px;
}

.rec-card-meta i {
    color: var(--primary-color);
}

/* 查看更多按钮 */
.rec-section-footer {
    text-align: center;
    margin-top: 60px;
    position: relative;
    z-index: 1;
}

.rec-btn-more {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 18px 48px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    border-radius: 50px;
    font-size: 16px;
    font-weight: 700;
    box-shadow: 0 20px 40px rgba(102, 126, 234, 0.4);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.rec-btn-more:hover {
    transform: translateY(-4px) scale(1.05);
    box-shadow: 0 30px 60px rgba(102, 126, 234, 0.6);
}

.rec-btn-more i {
    animation: spin-slow 4s linear infinite;
}

@keyframes spin-slow {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .rec-cards-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .rec-card-featured {
        grid-column: span 2;
    }
}

@media (max-width: 900px) {
    .rec-section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 24px;
    }
    
    .rec-cards-grid {
        grid-template-columns: 1fr;
    }
    
    .rec-card-featured {
        grid-column: span 1;
    }
    
    .rec-card-featured .rec-card-image {
        height: 280px;
    }
    
    .rec-section-title {
        font-size: 28px;
    }
    
    .rec-icon-wrapper {
        width: 56px;
        height: 56px;
        font-size: 24px;
    }
}

@media (max-width: 640px) {
    .recommendation-section {
        padding: 60px 0;
    }
    
    .rec-card-content {
        padding: 20px;
    }
    
    .rec-card-image {
        height: 200px;
    }
    
    .rec-card-featured .rec-card-image {
        height: 220px;
    }
    
    .rec-card-title {
        font-size: 16px;
    }
    
    .rec-card-featured .rec-card-title {
        font-size: 18px;
    }
    
    .rec-card-desc {
        font-size: 13px;
    }
    
    .rec-category-tabs {
        gap: 6px;
    }
    
    .rec-tab-btn {
        padding: 8px 16px;
        font-size: 13px;
    }
}

/* ========================================
   友情链接区域
   ======================================== */
.links-section {
    padding: 80px 0;
    background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
    position: relative;
    overflow: hidden;
}

.links-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 48px;
}

.links-header-left {
    display: flex;
    align-items: center;
    gap: 20px;
}

.links-icon-wrapper {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 24px;
    box-shadow: var(--shadow-md);
    flex-shrink: 0;
}

.links-header-content {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.links-section-title {
    font-size: 28px;
    font-weight: 800;
    color: var(--gray-800);
    margin: 0;
}

.links-section-desc {
    font-size: 15px;
    color: var(--gray-600);
    margin: 0;
}

/* 链接网格 */
.links-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

/* 链接卡片 */
.link-card {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 24px;
    background: var(--white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-200);
    box-shadow: var(--shadow);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.link-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0) 0%, rgba(118, 75, 162, 0) 100%);
    transition: all 0.3s ease;
    opacity: 0;
}

.link-card:hover::before {
    opacity: 1;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.05) 0%, rgba(118, 75, 162, 0.05) 100%);
}

.link-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.link-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 20px;
    flex-shrink: 0;
    box-shadow: var(--shadow-sm);
    position: relative;
    z-index: 1;
}

.link-info {
    flex: 1;
    position: relative;
    z-index: 1;
}

.link-name {
    font-size: 16px;
    font-weight: 700;
    color: var(--gray-800);
    margin-bottom: 4px;
}

.link-desc {
    font-size: 13px;
    color: var(--gray-500);
}

.link-arrow {
    font-size: 14px;
    color: var(--gray-400);
    transition: all 0.3s ease;
    position: relative;
    z-index: 1;
}

.link-card:hover .link-arrow {
    color: var(--primary-color);
    transform: translateX(4px);
}

/* 底部联系信息 */
.links-footer {
    text-align: center;
    margin-top: 48px;
    padding-top: 32px;
    border-top: 1px solid var(--gray-200);
}

.links-contact {
    font-size: 15px;
    color: var(--gray-600);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.links-contact i {
    color: var(--primary-color);
}

.links-email {
    color: var(--primary-color);
    font-weight: 600;
    transition: color 0.3s ease;
}

.links-email:hover {
    color: var(--secondary-color);
    text-decoration: underline;
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .links-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 900px) {
    .links-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .links-section-title {
        font-size: 24px;
    }
    
    .links-icon-wrapper {
        width: 48px;
        height: 48px;
        font-size: 20px;
    }
}

@media (max-width: 640px) {
    .links-section {
        padding: 60px 0;
    }
    
    .links-grid {
        grid-template-columns: 1fr;
    }
    
    .link-card {
        padding: 20px;
    }
    
    .links-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 24px;
    }
}

/* ========================================
   响应式设计
   ======================================== */

/* 头部响应式 */
@media (max-width: 1200px) {
    .top-nav a:first-child {
        display: none;
    }
    
    .header-main {
        flex-direction: column;
        gap: 24px;
        text-align: center;
        padding: 20px 0;
    }
    
    .logo {
        flex-direction: column;
        gap: 12px;
    }
    
    .logo img {
        width: 60px;
        height: 60px;
    }
    
    .logo-text h1 {
        font-size: 28px;
    }
    
    .header-func {
        align-items: center;
        width: 100%;
    }
    
    .quick-entry {
        flex-wrap: wrap;
        justify-content: center;
        gap: 10px;
    }
    
    .quick-entry a {
        padding: 10px 18px;
        font-size: 14px;
    }
    
    .ad-banner {
        width: 100%;
        justify-content: center;
    }
    
    .nav-list {
        flex-wrap: wrap;
        justify-content: center;
        gap: 4px;
    }
    
    .nav-list li {
        flex: 0 0 auto;
    }
    
    .nav-list li a {
        padding: 10px 14px;
        font-size: 14px;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 50px;
    }
    
    .footer-brand {
        text-align: center;
    }
    
    .brand-header {
        justify-content: center;
    }
    
    .brand-stats {
        justify-content: center;
    }
    
    .social-links {
        justify-content: center;
    }
    
    .footer-links {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }
    
    .features-grid {
        flex-wrap: wrap;
        gap: 30px;
    }
    
    .bottom-content {
        flex-direction: column;
        text-align: center;
    }
    
    .guide-intro {
        grid-template-columns: 1fr;
    }
    
    .intro-image img {
        height: 240px;
    }
    
    .guide-steps {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .join-cta {
        flex-direction: column;
        text-align: center;
    }
    
    .cta-buttons {
        justify-content: center;
    }
    
    .forum-intro-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .intro-left {
        max-width: 400px;
        margin: 0 auto;
        width: 100%;
    }
    
    .advantages-grid {
        grid-template-columns: 1fr;
    }
    
    .timeline {
        flex-wrap: wrap;
        gap: 30px;
    }
    
    .timeline::before {
        display: none;
    }
    
    .timeline-item {
        flex: 0 0 calc(50% - 15px);
        padding-top: 0;
    }
    
    .timeline-year {
        position: relative;
        top: auto;
    }
    
    /* 娱乐推荐响应式 */
    .recommendation-header {
        flex-direction: column;
        gap: 24px;
    }
    
    .header-main {
        flex-direction: column;
        text-align: center;
    }
    
    .header-icon {
        margin: 0 auto;
    }
    
    .header-tags {
        justify-content: center;
    }
    
    .btn-view-more {
        align-self: center;
    }
    
    .recommendation-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .recommend-card.large {
        grid-column: span 2;
        grid-row: span 1;
        grid-template-columns: 1fr;
    }
    
    .recommend-card.large .card-image {
        height: 240px;
    }
        left: auto;
        transform: none;
        margin: 0 auto 16px;
    }
}

@media (max-width: 768px) {
    .top-bar {
        padding: 12px 0;
    }
    
    .top-bar .container {
        flex-direction: column;
        gap: 10px;
    }
    
    .top-nav {
        flex-wrap: wrap;
        justify-content: center;
        gap: 4px;
    }
    
    .top-nav a {
        padding: 4px 10px;
        font-size: 12px;
    }
    
    .top-service {
        width: 100%;
        justify-content: center;
    }
    
    .search-box input {
        width: 200px;
    }
    
    .search-box input:focus {
        width: 220px;
    }
    
    .user-entrance a {
        padding: 4px 12px;
        font-size: 12px;
    }
    
    .header-main {
        padding: 16px 0;
        gap: 16px;
    }
    
    .logo img {
        width: 50px;
        height: 50px;
    }
    
    .logo-text h1 {
        font-size: 24px;
    }
    
    .logo-text p {
        font-size: 12px;
    }
    
    .quick-entry {
        flex-wrap: wrap;
        justify-content: center;
        gap: 8px;
    }
    
    .quick-entry a {
        padding: 8px 14px;
        font-size: 13px;
    }
    
    .ad-banner {
        padding: 8px 14px;
        font-size: 12px;
    }
    
    .guide-intro {
        padding: 24px;
    }
    
    .intro-image img {
        height: 200px;
    }
    
    .intro-benefits {
        grid-template-columns: 1fr;
    }
    
    .guide-steps {
        grid-template-columns: 1fr;
    }
    
    .join-cta {
        padding: 32px 24px;
    }
    
    .cta-buttons {
        flex-direction: column;
        width: 100%;
    }
    
    .btn-cta {
        justify-content: center;
        width: 100%;
    }
    
    .timeline-section {
        padding: 32px 24px;
    }
    
    /* 娱乐推荐移动端 */
    .recommendation-grid {
        grid-template-columns: 1fr;
    }
    
    .recommend-card.large {
        grid-column: span 1;
    }
    
    .header-content .section-title {
        font-size: 24px;
    }
    
    .section-desc {
        font-size: 14px;
    }
    
    .header-tags {
        gap: 8px;
    }
    
    .header-tag {
        padding: 6px 14px;
        font-size: 13px;
    }
    
    .timeline-item {
        flex: 0 0 100%;
    }
    
    .intro-block {
        padding: 24px;
    }
    
    .content-tags {
        justify-content: center;
    }
    
    .mission-section {
        padding: 32px 24px;
    }
    
    .mission-quote p {
        font-size: 16px;
    }
    
    .nav-list li a {
        padding: 10px 16px;
        font-size: 14px;
    }
    
    .footer-nav {
        grid-template-columns: 1fr;
    }
    
    .footer-brand {
        grid-column: span 1;
    }
    
    .footer-cert {
        flex-direction: column;
        gap: 20px;
    }
    
    .service-promise {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .link-list {
        flex-wrap: wrap;
    }
}

/* 主要内容响应式 */
@media (max-width: 1200px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .hero-title {
        font-size: 42px;
    }
    
    .hero-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .hero-sidebar {
        max-width: 600px;
        margin: 0 auto;
        width: 100%;
    }
    
    .hero-bottom-images {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .showcase-container {
        grid-template-columns: 1fr;
    }
    
    .showcase-sidebar {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
    }
    
    .category-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .recommendation-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .recommend-card.large {
        grid-column: span 2;
        grid-row: span 1;
        grid-template-columns: 1fr;
    }
    
    .recommend-card.large .card-image {
        height: 240px;
    }
    
    .moments-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .forum-hero-section {
        padding: 60px 0 80px;
    }
    
    .hero-title {
        font-size: 32px;
    }
    
    .hero-desc {
        font-size: 16px;
    }
    
    .hero-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }
    
    .stat-box {
        padding: 16px;
    }
    
    .hero-actions {
        flex-direction: column;
    }
    
    .btn-primary,
    .btn-secondary {
        justify-content: center;
    }
    
    .hero-bottom-images {
        grid-template-columns: 1fr;
    }
    
    .hero-image-item img {
        height: 160px;
    }
    
    .section-title {
        font-size: 24px;
    }
    
    .section-header {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }
    
    .category-grid {
        grid-template-columns: 1fr;
    }
    
    .content-card {
        grid-template-columns: 1fr;
    }
    
    .card-image {
        min-height: 200px;
    }
    
    .showcase-sidebar {
        grid-template-columns: 1fr;
    }
    
    .recommendation-grid {
        grid-template-columns: 1fr;
    }
    
    .recommend-card.large {
        grid-column: span 1;
    }
    
    .content-tabs {
        flex-wrap: wrap;
    }
    
    .tab-btn {
        flex: 1;
        min-width: 120px;
        justify-content: center;
    }
    
    .moments-grid {
        grid-template-columns: 1fr;
    }
    
    .moment-image {
        height: 200px;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .link-group {
        text-align: center;
    }
    
    .group-title::after {
        left: 50%;
        transform: translateX(-50%);
    }
    
    .link-list a {
        justify-content: center;
    }
    
    .features-grid {
        flex-direction: column;
        gap: 20px;
    }
    
    .cert-badges {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .legal-links {
        flex-wrap: wrap;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .hero-stats {
        grid-template-columns: 1fr;
    }
    
    .hero-title {
        font-size: 28px;
    }
    
    .info-card {
        padding: 20px;
    }
    
    .category-item {
        padding: 20px;
    }
    
    .section-container,
    .hero-container,
    .showcase-container,
    header .container,
    .top-bar .container,
    .footer-top .container,
    .footer-middle .container,
    .footer-bottom .container {
        padding: 0 16px;
    }
    
    .moments-section {
        padding: 60px 0;
    }
    
    .moment-image {
        height: 180px;
    }
}