/* Base Styles */
:root {
    --primary-color: #5F4DE0;
    --primary-dark: #4838B6;
    --primary-light: #8674FF;
    --secondary-color: #FF5C8D;
    --accent-color: #FFD166;
    --text-color: #333333;
    --text-light: #666666;
    --text-lighter: #999999;
    --bg-color: #FFFFFF;
    --bg-light: #F8F9FA;
    --bg-dark: #E9ECEF;
    --border-color: #DEE2E6;
    --success-color: #28A745;
    --warning-color: #FFC107;
    --danger-color: #DC3545;
    --info-color: #17A2B8;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.12);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --transition: all 0.3s ease;
    --container-width: 1200px;
    --header-height: 70px;
}

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

body {
    font-family: 'Poppins', sans-serif;
    font-size: 16px;
    line-height: 1.5;
    color: var(--text-color);
    background-color: var(--bg-light);
    width: 100%;
    overflow-x: hidden;
}

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

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

button {
    cursor: pointer;
    font-family: inherit;
}

ul {
    list-style: none;
}

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

.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 1rem;
    box-sizing: border-box;
}

.hidden {
    display: none !important;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.5rem;
}

p {
    margin-bottom: 1rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    font-weight: 500;
    transition: var(--transition);
    border: none;
    font-size: 0.875rem;
}

.btn i {
    font-size: 1rem;
}

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

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

.btn-outline {
    background-color: transparent;
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
}

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

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

.btn-danger:hover {
    background-color: darkred;
}

.btn-text {
    background-color: transparent;
    color: var(--primary-color);
    padding: 0;
}

.btn-text:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

.btn-large {
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
}

.btn-small {
    padding: 0.25rem 0.5rem;
    font-size: 0.75rem;
}

.btn-center {
    display: block;
    margin: 2rem auto;
}

.btn-social {
    width: 100%;
    justify-content: center;
    padding: 0.75rem;
    margin-bottom: 0.75rem;
    border: 1px solid var(--border-color);
    background-color: white;
    color: var(--text-color);
}

.btn-social:hover {
    background-color: var(--bg-light);
}

.btn-google {
    color: #DB4437;
}

/* Header */
header {
    background-color: var(--bg-color);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 100;
    height: var(--header-height);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-height);
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo img {
    height: 40px;
    width: auto;
}

.logo h1 {
    font-size: 1.5rem;
    margin-bottom: 0;
    color: var(--primary-color);
}

.search-bar {
    flex: 1;
    max-width: 400px;
    display: flex;
    margin: 0 2rem;
    position: relative;
}

.search-bar input {
    width: 100%;
    padding: 0.5rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: 0.875rem;
    transition: var(--transition);
}

.search-bar input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(95, 77, 224, 0.2);
}

.search-bar button {
    position: absolute;
    right: 0.5rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-lighter);
    font-size: 1rem;
    transition: var(--transition);
}

.search-bar button:hover {
    color: var(--primary-color);
}

nav {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.auth-buttons {
    display: flex;
    gap: 0.5rem;
}

.language-selector,
.user-menu {
    position: relative;
    display: flex;
    align-items: center;
}

.language-dropdown,
.user-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    z-index: 101;
}

.language-selector button,
.user-menu button {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: none;
    border: none;
    font-size: 0.875rem;
    color: var(--text-color);
}

.language-selector button:hover {
    color: var(--primary-color);
}

.user-menu button img {
    width: 26px;
    height: 26px;
    object-fit: cover;
}

.user-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    width: 150px;
    background-color: var(--bg-color);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    display: none;
    z-index: 101;
}

.language-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    width: 150px;
    background-color: var(--bg-color);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    display: none;
    z-index: 101;
}

.language-dropdown.show {
    display: block !important;
    /* 使用!important确保显示 */
}

/* 使语言选择按钮看起来可点击 */
#current-language {
    cursor: pointer;
}

.user-dropdown a {
    display: block;
    padding: 0.75rem 1rem;
    color: var(--text-color);
    transition: var(--transition);
    font-size: 0.875rem;
}

.language-dropdown a {
    display: flex;
    align-items: center;
    padding: 8px 12px;
    color: var(--text-color);
    text-decoration: none;
    transition: var(--transition);
}

.input-with-button {
    display: flex;
    align-items: center;
    gap: 8px;
}

.input-with-button input {
    flex: 1;
}

.input-with-button button {
    flex-shrink: 0;
}

#username-status {
    display: block;
    margin-top: 5px;
    font-size: 0.75rem;
}

#username-status.valid {
    color: var(--success-color);
}

#username-status.invalid {
    color: var(--danger-color);
}

#username-status.checking {
    color: var(--info-color);
}

.user-avatar {
    width: 40px;  /* 根据需要调整大小 */
    height: 40px; /* 保持宽高一致以获得完美的圆形 */
    border-radius: 50%; /* 创建圆形 */
    overflow: hidden; /* 确保图片不会溢出容器 */
    display: flex;
    justify-content: center;
    align-items: center;
    /* border: 2px solid var(--primary-light); */
  }
  
  .user-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover; /* 确保图片覆盖整个区域而不变形 */
  }

/* Specific fix for desktop layout */
@media (min-width: 769px) {

    /* Ensure elements are properly aligned horizontally */
    .mobile-menu-wrapper {
        flex-direction: row;
    }

    /* Prevent language selector from stacking above user menu */
    .language-selector {
        margin-right: 1.5rem;
    }

    /* Ensure auth-buttons are aligned properly */
    .auth-buttons {
        display: flex;
        gap: 0.5rem;
    }
}

@media (max-width: 576px) {
    .language-dropdown a {
        padding: 12px;
        display: flex;
        align-items: center;
        min-height: 44px;
        /* Ensure good touch targets */
    }
}

.language-dropdown a:hover,
.user-dropdown a:hover {
    background-color: var(--bg-light);
    color: var(--primary-color);
}

.flag-icon {
    width: 26px;
    height: 26px;
    margin-right: 8px;
    vertical-align: middle;
    border-radius: 2px;
    object-fit: cover;
}

.dropdown-flag-icon {
    width: 26px;
    height: 26px;
    margin-right: 8px;
    vertical-align: middle;
    border-radius: 2px;
    object-fit: cover;
}

/* 可以保留这部分，确保国旗大小一致 */
.language-dropdown .flag-icon {
    width: 26px;
    height: 26px;
}

#current-language span {
    display: flex;
    align-items: center;
}

/* Hero Section */
.hero {
    background-color: var(--primary-color);
    color: white;
    padding: 4rem 0;
    text-align: center;
}

.hero-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

/* Section Styles */
section {
    padding: 3rem 0;
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.5rem;
}

.view-options {
    display: flex;
    gap: 0.5rem;
}

.view-option {
    background: none;
    border: none;
    padding: 0.25rem;
    color: var(--text-lighter);
    font-size: 1rem;
    transition: var(--transition);
}

.view-option:hover {
    color: var(--primary-color);
}

.view-option.active {
    color: var(--primary-color);
}

/* Meme Grid */
.meme-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
}

.meme-card {
    background-color: var(--bg-color);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.meme-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.meme-card-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-bottom: 1px solid var(--border-color);
}

.meme-card-content {
    padding: 1rem;
}

.meme-card-title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.meme-card-info {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.75rem;
    color: var(--text-lighter);
}

.meme-card-user {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.meme-card-user img {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    object-fit: cover;
}

.meme-card-stats {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.meme-card-stat {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.meme-card.loading {
    height: 280px;
    position: relative;
    overflow: hidden;
}

.meme-card.loading::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, var(--bg-light) 0%, var(--bg-dark) 50%, var(--bg-light) 100%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0% {
        background-position: 200% 0;
    }

    100% {
        background-position: -200% 0;
    }
}

/* Category Grid */
.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1rem;
}

.category-card {
    background-color: var(--bg-color);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    text-align: center;
    padding: 1.5rem;
}

.category-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.category-icon {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.category-name {
    font-weight: 600;
    font-size: 1rem;
}

.category-count {
    font-size: 0.75rem;
    color: var(--text-lighter);
    margin-top: 0.25rem;
}

/* Footer */
footer {
    background-color: var(--bg-color);
    padding: 3rem 0 1rem;
    margin-top: 2rem;
    border-top: 1px solid var(--border-color);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-logo {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.footer-logo img {
    height: 40px;
    margin-bottom: 1rem;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

.footer-column h3 {
    font-size: 1rem;
    margin-bottom: 1rem;
    color: var(--text-color);
}

.footer-column ul li {
    margin-bottom: 0.5rem;
}

.footer-column a {
    color: var(--text-light);
    font-size: 0.875rem;
    transition: var(--transition);
}

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

.footer-social h3 {
    font-size: 1rem;
    margin-bottom: 1rem;
}

.social-icons {
    display: flex;
    gap: 1rem;
}

.social-icons a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--bg-light);
    color: var(--text-light);
    transition: var(--transition);
}

.social-icons a:hover {
    background-color: var(--primary-color);
    color: white;
}

.footer-bottom {
    text-align: center;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
    font-size: 0.75rem;
    color: var(--text-lighter);
}

/* Modals */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    visibility: hidden;
    opacity: 0;
    transition: var(--transition);
}

.modal-overlay.active {
    visibility: visible;
    opacity: 1;
}

.modal {
    background-color: var(--bg-color);
    border-radius: var(--radius-md);
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
    transform: translateY(20px);
    transition: var(--transition);
}

.modal-overlay.active .modal {
    transform: translateY(0);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
    margin-bottom: 0;
}

.close-modal {
    background: none;
    border: none;
    font-size: 1.25rem;
    color: var(--text-lighter);
    transition: var(--transition);
}

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

.modal-body {
    padding: 1.5rem;
}

.modal-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

/* Forms */
.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    font-size: 0.875rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 0.875rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(95, 77, 224, 0.2);
}

.form-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 1.5rem;
}

.auth-separator {
    display: flex;
    align-items: center;
    margin: 1.5rem 0;
    color: var(--text-lighter);
    font-size: 0.875rem;
}

.auth-separator::before,
.auth-separator::after {
    content: "";
    flex: 1;
    height: 1px;
    background-color: var(--border-color);
}

.auth-separator span {
    padding: 0 1rem;
}

/* Upload */
.upload-container {
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-sm);
    padding: 2rem;
    text-align: center;
    margin-bottom: 1.5rem;
    transition: var(--transition);
    cursor: pointer;
    position: relative;
}

.upload-container:hover {
    border-color: var(--primary-color);
}

.upload-placeholder {
    color: var(--text-lighter);
}

.upload-placeholder i {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: var(--primary-light);
}

.upload-preview {
    position: relative;
}

.upload-preview img {
    max-height: 200px;
    border-radius: var(--radius-sm);
}

.upload-preview button {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
}

.mobile-menu-wrapper {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 1.5rem;
}

/* Responsive Styles */
@media (max-width: 992px) {
    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .footer-links {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {

    /* 改善header布局 */
    .header-content {
        flex-direction: column;
        padding: 10px 0;
        height: auto;
        width: 100%;
    }

    header {
        height: auto;
        position: relative;
        width: 100%;
    }

    .logo {
        margin-bottom: 10px;
    }

    .search-bar {
        order: 2;
        margin: 10px 0;
        max-width: 100%;
        width: 100%;
    }

    .search-bar input {
        width: 100%;
        padding-right: 40px;
        /* 为按钮留出空间 */
    }

    .search-bar button {
        position: absolute;
        right: 10px;
        top: 50%;
        transform: translateY(-50%);
    }

    .language-selector:hover .language-dropdown,
    .language-dropdown:hover {
        display: none;
    }

    .language-selector button {
        padding: 10px;
        min-height: 44px;
        /* 移动端最小触摸区域 */
    }

    .language-dropdown.show {
        display: block !important;
    }

    /* 确保点击按钮样式看起来是可交互的 */
    #current-language {
        padding: 8px 15px;
        /* 增大点击区域 */
        min-height: 44px;
        /* 移动端最小触摸区域尺寸 */
        display: flex;
        align-items: center;
        justify-content: center;
    }

    /* 移动端下拉菜单位置调整 */
    .language-dropdown {
        top: 100%;
        right: auto;
        left: 50%;
        transform: translateX(-50%);
        width: 180px;
        margin-top: 4px;
    }

    .language-dropdown.show {
        display: block !important;
        z-index: 999;
    }

    .language-dropdown a {
        padding: 12px;
        min-height: 44px;
        /* 移动端最小触摸区域 */
    }

    nav {
        order: 3;
        width: 100%;
        flex-wrap: wrap;
        gap: 1rem;
        justify-content: space-between;
    }

    .auth-buttons {
        display: flex;
        gap: 10px;
        margin-top: 10px;
    }

    /* 确保按钮不会太小 */
    .btn {
        padding: 8px 16px;
        font-size: 0.9rem;
    }

    .trending .filter-dropdown {
        position: relative;
    }

    .trending .filter-options {
        right: 0;
        width: 250px;
        background-color: var(--bg-color);
        box-shadow: var(--shadow-md);
        border-radius: var(--radius-sm);
        padding: 10px;
    }

    /* 确保复选框和标签正确对齐 */
    .filter-option {
        display: flex;
        align-items: center;
        margin-bottom: 8px;
    }

    .filter-option input[type="checkbox"] {
        margin-right: 8px;
    }
}


@media (max-width: 576px) {

    /* 头部元素垂直排列 */
    .header-content {
        padding: 10px 15px;
    }

    nav {
        flex-direction: column;
        align-items: center;
        width: 100%;
    }

    /* 移动端导航菜单布局 - 将语言选择器和用户菜单并排显示 */
    .mobile-menu-wrapper {
        display: flex;
        width: 100%;
        justify-content: space-between;
        align-items: center;
        margin-bottom: 10px;
    }

    /* 调整语言选择器位置到左侧 */
    .language-selector {
        margin-bottom: 0;
        display: flex;
        align-items: center;
        position: relative;
    }

    /* 调整用户菜单位置到右侧 */
    .user-menu {
        margin-bottom: 0;
        display: flex;
        align-items: center;
    }

    /* auth-buttons应该独占一行 */
    .auth-buttons {
        width: 100%;
        justify-content: center;
        margin-top: 10px;
    }

    /* 筛选器区域修复 */
    .section-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .section-header h2 {
        margin-bottom: 15px;
    }

    .filter-dropdown {
        margin-bottom: 10px;
        width: 100%;
    }

    .filter-options {
        width: 100%;
        left: 0;
        position: absolute;
        z-index: 10;
    }

    .view-options {
        margin-top: 10px;
        align-self: flex-end;
    }

    /* 修复筛选器卡片布局 */
    .filter-option {
        padding: 8px;
    }

    .language-selector:hover .language-dropdown {
        display: none;
        /* 防止hover触发 */
    }

    /* 确保点击按钮样式看起来是可交互的 */
    #current-language {
        padding: 8px 15px;
        /* 增大点击区域 */
        min-height: 44px;
        /* 移动端最小触摸区域尺寸 */
        display: flex;
        align-items: center;
        justify-content: center;
    }

    /* 移动端下拉菜单位置调整 */
    .language-dropdown {
        position: absolute;
        top: 100%;
        left: 0;
        right: auto;
        width: 180px;
        max-width: 90vw;
        /* Limit to 90% of viewport width */
        z-index: 101;
        max-height: 300px;
        overflow-y: auto;
        /* Add scrolling if needed */
    }

    /* 确保语言下拉菜单的选项不超出屏幕 */
    @media (max-width: 400px) {
        .language-dropdown {
            left: 0;
            width: auto;
            min-width: 160px;
            max-width: calc(100vw - 40px);
            /* Give some breathing room */
        }
    }

    .user-dropdown {
        position: absolute;
        top: 100%;
        right: 0;
        left: auto;
        width: 100%;
        max-width: 180px;
    }

    /* 确保所有按钮在移动设备上有足够的触摸区域 */
    .language-selector button,
    .user-menu button,
    .auth-buttons .btn {
        padding: 8px 15px;
        min-height: 44px;
        /* Minimum touch target size */
        display: flex;
        align-items: center;
    }

    /* 确保语言和用户菜单按钮对齐 */
    #current-language,
    #user-menu-button {
        height: 44px;
    }

    .search-bar {
        width: 100%;
        max-width: 100%;
        margin: 10px 0;
    }

    .search-bar input {
        width: 100%;
        padding-right: 40px;
        /* 为按钮留出空间 */
    }

    .search-bar button {
        right: 10px;
    }

    .meme-grid {
        grid-template-columns: 1fr;
        padding: 0 10px;
    }

    .category-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
        padding: 0 10px;
    }

    .modal {
        width: 90%;
        max-height: 80vh;
    }

    .modal-large {
        width: 95%;
    }

    .modal-header,
    .modal-body,
    .modal-footer {
        padding: 15px;
    }

    .form-group input,
    .form-group select,
    .form-group textarea {
        padding: 10px;
    }

    .filter-footer {
        display: flex;
        justify-content: flex-end;
        margin-top: 10px;
    }

    #apply-filter {
        width: 100%;
    }

}

/* 筛选器下拉菜单显示控制 */
.filter-options {
    position: absolute;
    right: 0;
    top: 100%;
    background-color: var(--bg-color);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-md);
    padding: 1rem;
    z-index: 10;
    width: 250px;
    display: none;
}

.filter-options.show {
    display: block;
}

/* 移动端筛选器样式 */
@media (max-width: 576px) {
    .filter-options.mobile-filter {
        width: 100%;
        left: 0;
        right: 0;
    }

    /* 筛选器选项布局改进 */
    .filter-option {
        margin-bottom: 12px;
        display: flex;
        align-items: center;
    }

    .filter-option input[type="checkbox"] {
        margin-right: 10px;
    }

    /* 筛选器页脚按钮 */
    .filter-footer {
        margin-top: 15px;
        text-align: right;
    }

    /* 处理Trending区域的显示问题 */
    .trending .section-header {
        flex-wrap: wrap;
        row-gap: 15px;
    }

    /* 网格/列表视图切换按钮的位置 */
    .view-options {
        margin-left: auto;
    }

    /* 应用按钮样式 */
    #apply-filter {
        width: 100%;
        margin-top: 10px;
    }
}

/* 移动导航特定样式 */
.mobile-navigation .language-dropdown,
.mobile-navigation .user-dropdown {
    display: none;
}

.mobile-navigation:focus-within .language-dropdown,
.mobile-navigation:focus-within .user-dropdown {
    display: block;
}

/* 移动端"无内容找到"提示的样式 */
.no-results {
    text-align: center;
    padding: 30px 0;
    width: 100%;
}

.no-results i {
    font-size: 2rem;
    color: var(--text-light);
    margin-bottom: 15px;
    display: block;
}

.no-results p {
    color: var(--text-light);
    font-size: 1rem;
}