/*
Theme Name: Pic
Description: UI设计和配色方案
Version: 3.0
*/

/* ===== CSS 变量系统 ===== */
:root {
    /* 主色调 */
    --pic-primary: #49A0FC;
    --pic-primary-hover: #3088e0;
    --pic-primary-light: #e3f2fd;
    --pic-primary-dark: #2176cc;
    
    /* 配色 */
    --pic-text: #333333;
    --pic-text-light: #666666;
    --pic-text-muted: #999999;
    --pic-text-white: #ffffff;
    
    /* 背景色 */
    --pic-bg-body: #f8f9fa;
    --pic-bg-white: #ffffff;
    --pic-bg-card: #ffffff;
    --pic-bg-hover: #f5f5f5;
    --pic-bg-light: #f9f9f9;
    --pic-bg-gray: #f4f5f7;
    
    /* 边框色 */
    --pic-border: #e1e8ed;
    --pic-border-light: #f1f3f4;
    --pic-border-dark: #d1d8dd;
    
    /* 阴影 */
    --pic-shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --pic-shadow-md: 0 2px 8px rgba(0, 0, 0, 0.12);
    --pic-shadow-lg: 0 4px 16px rgba(0, 0, 0, 0.15);
    --pic-shadow-xl: 0 8px 32px rgba(0, 0, 0, 0.2);
    
    /* 圆角 */
    --pic-radius-sm: 4px;
    --pic-radius-md: 8px;
    --pic-radius-lg: 12px;
    --pic-radius-xl: 16px;
    --pic-radius-full: 9999px;
    
    /* 间距 */
    --pic-space-xs: 4px;
    --pic-space-sm: 8px;
    --pic-space-md: 16px;
    --pic-space-lg: 24px;
    --pic-space-xl: 32px;
    --pic-space-2xl: 48px;
    --pic-space-3xl: 64px;
    
    /* 字体 */
    --pic-font-size-xs: 12px;
    --pic-font-size-sm: 14px;
    --pic-font-size-base: 16px;
    --pic-font-size-md: 18px;
    --pic-font-size-lg: 20px;
    --pic-font-size-xl: 24px;
    --pic-font-size-2xl: 32px;
    --pic-font-size-3xl: 40px;
    
    /* 动画 */
    --pic-transition: 0.2s ease-in-out;
    --pic-transition-fast: 0.15s ease-in-out;
    --pic-transition-base: 0.25s ease-in-out;

    /* 布局尺寸 */
    --pic-container-max: 1080px;
    --pic-header-height: 60px;
    --pic-footer-padding: 48px 0 24px;

    /* 状态颜色 */
    --pic-success: #28a745;
    --pic-success-light: #edfaef;
    --pic-info: #17a2b8;
    --pic-info-light: #e3f4f6;
    --pic-warning: #ffc107;
    --pic-warning-light: #fff8e1;
    --pic-danger: #dc3545;
    --pic-danger-light: #fcebeb;

    /* 社交媒体颜色 */
    --color-weixin: #1aad19;
    --color-qq: #1296db;
    --color-weibo: #e6162d;

    /* 商品价格颜色 */
    --price-color: #ff6b35;
    --price-free-color: #67c23a;
    --price-tag-bg: rgba(0, 0, 0, 0.8);
    --price-free-bg: rgba(40, 167, 69, 0.9);
    --price-tag-border: rgba(255, 255, 255, 0.1);
    --price-gradient-start: var(--pic-success);
    --price-gradient-end: #20c997;

    /* 热门标签颜色 */
    --hot-badge-gradient: linear-gradient(45deg, var(--pic-primary), var(--pic-primary-hover));
    
    /* 对话框颜色 */
    --modal-overlay-bg: rgba(0, 0, 0, 0.6);
    --modal-blur: 3px;
    --modal-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    
    /* 遗留颜色变量 - 兼容性保留 */
    --primary-color-start: #2b6cb0;
    --primary-color-end: #4a90e2;
    --text-color: white;
    --shadow-color: rgba(43, 108, 176, 0.3);
    --button-bg-color: #e74c3c;
    --button-bg-hover-color: #c0392b;
    --button-shadow-color: rgba(231, 76, 60, 0.3);
    --button-shadow-hover-color: rgba(231, 76, 60, 0.5);
    --border-radius: 10px;
    --border-radius-button: 30px;
    --font-size-h1: 2.2rem;
    --font-size-p: 1.1rem;
    --font-size-button: 1rem;
    --padding-section: 50px 30px;
    --margin-bottom-section: 20px;
    --max-width-content: 700px;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Helvetica Neue', Helvetica, Arial, sans-serif;
    font-size: var(--pic-font-size-base);
    line-height: 1.6;
    color: var(--pic-text);
    background-color: var(--pic-bg-body);
    overflow-x: hidden;
}

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

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

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

/* ===== 容器系统 ===== */
.content-area,
.container {
    max-width: var(--pic-container-max);
    margin: 0 auto;
    padding: 0 var(--pic-space-md);
    width: 100%;
}

/* ===== 头部 ===== */
.site-header {
    background: var(--pic-bg-white);
    border-bottom: 1px solid var(--pic-border);
    box-shadow: var(--pic-shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--pic-header-height);
    padding: 0 var(--pic-space-md);
}

.site-logo {
    font-size: var(--pic-font-size-xl);
    font-weight: 700;
    color: var(--pic-primary);
}

/* ===== 导航 ===== */
.main-navigation {
    display: flex;
    align-items: center;
}

.main-navigation ul {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: var(--pic-space-lg);
}

.main-navigation a {
    display: block;
    padding: var(--pic-space-sm) var(--pic-space-md);
    color: var(--pic-text);
    font-weight: 500;
    border-radius: var(--pic-radius-sm);
    transition: var(--pic-transition-fast);
}

.main-navigation a:hover,
.main-navigation .current-menu-item a {
    background: var(--pic-primary-light);
    color: var(--pic-primary);
}

/* ===== 用户区域 ===== */
.user-area {
    display: flex;
    align-items: center;
    gap: var(--pic-space-md);
}

.auth-buttons {
    display: flex;
    gap: var(--pic-space-sm);
}

/* ===== 按钮系统 ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--pic-space-sm) var(--pic-space-md);
    border: 1px solid transparent;
    border-radius: var(--pic-radius-sm);
    font-size: var(--pic-font-size-sm);
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: var(--pic-transition-base);
    white-space: nowrap;
    letter-spacing: 0.025em;
}


.btn-sm {
    border-radius: var(--pic-radius-sm);
}

.btn-lg {
    border-radius: var(--pic-radius-sm);
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--pic-primary);
    color: var(--pic-text-white);
    border: none;
    border-radius: var(--pic-radius-md);
    padding: var(--pic-space-sm) var(--pic-space-lg);
    font-size: var(--pic-font-size-md);
    font-weight: 500;
    cursor: pointer;
    transition: background-color var(--pic-transition), transform var(--pic-transition);
    text-decoration: none;
    margin-top: var(--pic-space-lg);
}

.btn-primary i {
    margin-right: var(--pic-space-xs);
}

.btn-primary:hover {
    background: var(--pic-primary-hover);
    transform: translateY(-2px);
}

.btn-secondary {
    background: var(--pic-bg-light);
    color: var(--pic-text);
    border: 1px solid var(--pic-border);
}

.btn-secondary:hover {
    background: var(--pic-bg-white);
    transform: translateY(-2px);
    box-shadow: var(--pic-shadow-sm);
}

.btn-block {
    width: 100%;
}

/* ===== 主内容区 ===== */
.site-content {
    width: 100%;
}

/* ===== 文章网格 ===== */
.posts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--pic-space-lg);
    margin-bottom: var(--pic-space-2xl);
}

/* ===== 文章卡片 ===== */
.post-card {
    background: var(--pic-bg-card);
    border-radius: var(--pic-radius-sm);
    box-shadow: var(--pic-shadow-sm);
    overflow: hidden;
    transition: var(--pic-transition-base);
    border: 1px solid var(--pic-border-light);
    height: fit-content;
    display: flex;
    flex-direction: column;
}

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

.post-thumbnail {
    position: relative;
    width: 100%;
    aspect-ratio: 3/4;
    overflow: hidden;
    flex-shrink: 0;
}

.post-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--pic-transition);
}

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

.post-content {
    padding: var(--pic-space-lg);
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.post-title {
    font-size: var(--pic-font-size-lg);
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: var(--pic-space-sm);
    color: var(--pic-text);
}

.post-title a {
    color: inherit;
    transition: var(--pic-transition-fast);
}

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

.post-excerpt {
    font-size: var(--pic-font-size-sm);
    color: var(--pic-text-light);
    line-height: 1.5;
    margin-bottom: var(--pic-space-md);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.post-meta,
.post-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: var(--pic-font-size-xs);
    color: var(--pic-text-muted);
    padding-top: var(--pic-space-md);
    border-top: 1px solid var(--pic-border-light);
    margin-top: auto;
}

.post-category {
    background: var(--pic-primary-light);
    color: var(--pic-primary);
    padding: 2px var(--pic-space-sm);
    border-radius: var(--pic-radius-sm);
    font-size: var(--pic-font-size-xs);
    font-weight: 500;
}

.post-date {
    display: flex;
    align-items: center;
    gap: 4px;
}

/* ===== 分页 ===== */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--pic-space-sm);
    margin-top: var(--pic-space-2xl);
}

.pagination a,
.pagination span {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 40px;
    border-radius: var(--pic-radius-sm);
    font-size: var(--pic-font-size-sm);
    font-weight: 500;
    transition: var(--pic-transition);
}

.pagination a:hover,
.pagination .current {
    background: var(--pic-primary);
    color: var(--pic-text-white);
    border-color: var(--pic-primary);
}

/* ===== 页脚 ===== */
.site-footer {
    background: var(--pic-bg-white);
    border-top: 1px solid var(--pic-border);
    padding: var(--pic-space-2xl) 0 var(--pic-space-lg);
    margin-top: var(--pic-space-2xl);
}

.footer-widgets {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--pic-space-xl);
    margin-bottom: var(--pic-space-xl);
}

.footer-widget h3 {
    font-size: var(--pic-font-size-lg);
    font-weight: 600;
    margin-bottom: var(--pic-space-md);
    color: var(--pic-text);
}

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

.footer-widget li {
    margin-bottom: var(--pic-space-sm);
}

.footer-widget a {
    color: var(--pic-text-light);
    font-size: var(--pic-font-size-sm);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--pic-space-lg);
    border-top: 1px solid var(--pic-border-light);
    color: var(--pic-text-muted);
    font-size: var(--pic-font-size-xs);
}

/* ===== 模态框 ===== */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 9999;
    display: none;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(8px);
    opacity: 0;
    visibility: hidden;
    transition: all var(--pic-transition);
}

.modal.show {
    display: flex;
    opacity: 1;
    visibility: visible;
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    position: relative;
    width: 90%;
    max-width: 400px;
    max-height: 90vh;
    background: var(--pic-bg-white);
    border-radius: var(--pic-radius-sm);
    box-shadow: var(--pic-shadow-xl);
    overflow: hidden;
    transform: scale(0.9) translateY(20px);
    transition: transform var(--pic-transition);
    animation: modalSlideIn 0.3s ease-out;
    border: none;
}

.modal.show .modal-content {
    transform: scale(1) translateY(0);
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-20px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.modal-header {
    padding: var(--pic-space-lg);
    border-bottom: 1px solid var(--pic-border-light);
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-radius: var(--pic-radius-sm) var(--pic-radius-sm) 0 0;
}

.modal-title {
    font-size: var(--pic-font-size-lg);
    font-weight: 600;
    color: var(--pic-text);
}

.modal-close {
    position: absolute;
    top: var(--pic-space-lg);
    right: var(--pic-space-lg);
    z-index: 10;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--pic-bg-hover);
    border: none;
    border-radius: var(--pic-radius-sm);
    color: var(--pic-text-muted);
    font-size: 16px;
    cursor: pointer;
    transition: all var(--pic-transition-fast);
}

.modal-close:hover {
    background: var(--pic-border);
    color: var(--pic-text);
}

.modal-body {
    padding: var(--pic-space-lg);
}

/* ===== 表单 ===== */
.form-group {
    margin-bottom: var(--pic-space-lg);
}

.form-group label {
    display: block;
    margin-bottom: var(--pic-space-xs);
    font-size: var(--pic-font-size-sm);
    font-weight: 500;
    color: var(--pic-text-light);
}

.form-group input {
    width: 100%;
    padding: var(--pic-space-sm) var(--pic-space-md);
    border: 1px solid var(--pic-border);
    border-radius: var(--pic-radius-sm);
    font-size: var(--pic-font-size-base);
    color: var(--pic-text);
    transition: border var(--pic-transition);
    box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.05);
    background-color: var(--pic-bg-white);
}

.form-group input:focus {
    border-color: var(--pic-primary);
    outline: none;
    box-shadow: 0 0 0 2px rgba(73, 160, 252, 0.2);
}

.form-group input:read-only {
    background-color: var(--pic-bg-hover);
    cursor: not-allowed;
}

.form-actions {
    display: flex;
    gap: var(--pic-space-md);
    margin-top: var(--pic-space-lg);
}

/* ===== 搜索框优化 ===== */
.search-form {
    position: relative;
    max-width: 400px;
    margin: 0 auto;
    width: 100%;
}

.search-submit {
    border-radius: var(--pic-radius-sm);
}

/* ===== 侧边栏优化 ===== */
.widget {
    padding: var(--pic-space-lg);
    margin-bottom: var(--pic-space-lg);
    border-radius: var(--pic-radius-sm);
    box-shadow: var(--pic-shadow-sm);
    transition: var(--pic-transition-base);
    border: 1px solid var(--pic-border-light);
}

.sidebar .widget-title {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: var(--pic-space-md);
    padding-bottom: var(--pic-space-sm);
    border-bottom: 2px solid var(--pic-primary);
}

/* ===== 国内CDN头像支持 ===== */
.avatar {
    border-radius: 50%;
    border: 2px solid var(--pic-border-light);
    transition: var(--pic-transition);
}

.avatar:hover {
    border-color: var(--pic-primary);
    transform: scale(1.05);
}

/* ===== 加载动画 ===== */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid var(--pic-border-light);
    border-radius: 50%;
    border-top-color: var(--pic-primary);
    animation: spin 1s ease-in-out infinite;
}

.loading.card-loading {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid var(--pic-primary);
    border-top: 2px solid transparent;
    opacity: 0.6;
    pointer-events: none;
}

.loading-spinner {
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ===== 工具类 ===== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.d-flex { display: flex; }
.d-block { display: block; }
.d-none { display: none; }

.align-items-center { align-items: center; }
.justify-content-center { justify-content: center; }
.justify-content-between { justify-content: space-between; }

.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.ml-auto { margin-left: auto; }
.mr-auto { margin-right: auto; }

.fw-bold { font-weight: 700; }
.fw-medium { font-weight: 500; }
.fw-normal { font-weight: 400; }

.hidden-mobile { display: block; }
.visible-mobile { display: none; }

/* ===== 可访问性增强 ===== */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ===== 头部导航样式 ===== */
.header-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--pic-header-height);
    padding: 0 var(--pic-space-md);
}

/* Logo区域 */
.site-branding {
    display: flex;
    align-items: center;
    gap: var(--pic-space-sm);
}

.site-logo {
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: var(--pic-space-sm);
}

.site-logo-img {
    height: 40px;
    width: auto;
    border-radius: var(--pic-radius-sm);
}

.site-title {
    font-size: var(--pic-font-size-xl);
    font-weight: 600;
    color: var(--pic-text);
    line-height: 1;
}

.site-description {
    font-size: var(--pic-font-size-xs);
    color: var(--pic-text-muted);
    margin-left: var(--pic-space-sm);
}

/* 主导航菜单 */
.nav-menu {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: var(--pic-space-md);
}

.nav-menu li {
    position: relative;
}

.nav-menu a {
    display: block;
    padding: var(--pic-space-sm) var(--pic-space-md);
    color: var(--pic-text);
    text-decoration: none;
    font-weight: 500;
    border-radius: var(--pic-radius-sm);
    transition: var(--pic-transition);
}

.nav-menu a:hover,
.nav-menu .current-menu-item > a {
    background: var(--pic-primary-light);
    color: var(--pic-primary);
}

/* 头部操作区 */
.header-actions {
    display: flex;
    align-items: center;
    gap: var(--pic-space-sm);
}

.action-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: none;
    border: none;
    color: var(--pic-text-muted);
    border-radius: var(--pic-radius-sm);
    cursor: pointer;
    transition: var(--pic-transition);
}

.action-btn:hover {
    background: var(--pic-bg-hover);
    color: var(--pic-text);
}

/* 用户菜单 - 全局样式 */
.user-menu {
    position: relative;
}

.user-avatar-btn {
    display: flex;
    align-items: center;
    gap: var(--pic-space-xs);
    background: none;
    border: none;
    padding: 4px;
    border-radius: var(--pic-radius-full);
    cursor: pointer;
    transition: var(--pic-transition);
}

.user-avatar-btn:hover {
    background: var(--pic-bg-hover);
}

.user-avatar {
    border-radius: 50%;
    border: 2px solid var(--pic-border-light);
}

.dropdown-icon {
    color: var(--pic-text-muted);
    transition: var(--pic-transition);
}

.user-avatar-btn:hover .dropdown-icon {
    color: var(--pic-text);
}

.user-dropdown {
    position: absolute;
    top: calc(100% + 10px);
    right: -8px;
    background: var(--pic-bg-white);
    border: 1px solid var(--pic-border);
    border-radius: var(--pic-radius-sm);
    box-shadow: var(--pic-shadow-lg);
    min-width: 260px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: var(--pic-transition);
    z-index: 1001;
}

/* 添加小三角形指向头像 */
.user-dropdown::before,
.user-dropdown::after {
    content: "";
    position: absolute;
    bottom: 100%;
    right: 20px;
    border: solid transparent;
    pointer-events: none;
    opacity: 0;
    transition: opacity var(--pic-transition);
}

.user-dropdown::before {
    border-bottom-color: var(--pic-border);
    border-width: 8px;
    margin-right: -1px;
}

.user-dropdown::after {
    border-bottom-color: var(--pic-bg-white);
    border-width: 7px;
}

.user-dropdown.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.user-dropdown.show::before,
.user-dropdown.show::after {
    opacity: 1;
}

.dropdown-header {
    padding: var(--pic-space-lg);
    border-bottom: 1px solid var(--pic-border-light);
}

.user-info {
    display: flex;
    align-items: center;
    gap: var(--pic-space-md);
}

.user-avatar-large {
    border-radius: 50%;
    border: 2px solid var(--pic-border-light);
}

.user-details {
    flex: 1;
}

.user-name {
    display: block;
    font-size: var(--pic-font-size-md);
    color: var(--pic-text);
    margin-bottom: 2px;
}

.user-email {
    font-size: var(--pic-font-size-sm);
    color: var(--pic-text-muted);
}

.dropdown-body {
    padding: var(--pic-space-sm);
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: var(--pic-space-sm);
    padding: var(--pic-space-sm) var(--pic-space-md);
    color: var(--pic-text);
    text-decoration: none;
    border-radius: var(--pic-radius-sm);
    transition: var(--pic-transition);
    font-size: var(--pic-font-size-sm);
}

.dropdown-item:hover {
    background: var(--pic-bg-hover);
    color: var(--pic-text);
}

.dropdown-divider {
    height: 1px;
    background: var(--pic-border-light);
    margin: var(--pic-space-sm) 0;
}

.dropdown-footer {
    padding: var(--pic-space-sm);
    border-top: 1px solid var(--pic-border-light);
}

.logout-item {
    color: var(--pic-danger) !important;
}

.logout-item:hover {
    background: var(--pic-danger-light) !important;
    color: var(--pic-danger) !important;
}

/* 认证按钮 */
.auth-actions {
    display: flex;
    gap: var(--pic-space-sm);
}

/* 搜索覆盖层 */
.search-overlay {
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: var(--pic-transition);
}

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

.search-input-wrapper {
    position: relative;
    max-width: 600px;
}

.search-icon {
    position: absolute;
    left: var(--pic-space-md);
    top: 50%;
    transform: translateY(-50%);
    color: var(--pic-text-muted);
    pointer-events: none;
}

.search-input {
    width: 100%;
    height: 40px;
    padding: 0 15px 0 40px;
    border: 1px solid #e4e7ed;
    border-radius: var(--pic-radius-md);
    font-size: 14px;
    transition: all 0.3s ease;
    background-color: #f5f7fa;
    min-width: 400px;
}

.search-input:focus {
    outline: none;
    border-color: var(--pic-primary);
    box-shadow: 0 0 0 3px var(--pic-primary-light);
}

.search-close {
    position: absolute;
    right: var(--pic-space-md);
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--pic-text-muted);
    cursor: pointer;
    padding: var(--pic-space-sm);
    border-radius: var(--pic-radius-sm);
    transition: var(--pic-transition);
}

.search-close:hover {
    color: var(--pic-text);
    background: var(--pic-bg-hover);
}

.suggestions-section {
    max-width: 600px;
    margin: 0 auto;
}

.suggestions-title {
    font-size: var(--pic-font-size-sm);
    color: var(--pic-text-muted);
    margin-bottom: var(--pic-space-md);
    font-weight: 500;
}

.suggestion-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--pic-space-sm);
}

.suggestion-tag {
    padding: var(--pic-space-xs) var(--pic-space-sm);
    background: var(--pic-bg-hover);
    color: var(--pic-text-light);
    border-radius: var(--pic-radius-full);
    font-size: var(--pic-font-size-sm);
    text-decoration: none;
    transition: var(--pic-transition);
}

.suggestion-tag:hover {
    background: var(--pic-primary-light);
    color: var(--pic-primary);
}

/* ===== 底部样式 ===== */
.footer-main {
    padding: var(--pic-space-xl) 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--pic-space-xl);
    margin-bottom: var(--pic-space-xl);
}

.footer-section {
    min-width: 0;
}

.footer-title {
    font-size: var(--pic-font-size-md);
    font-weight: 600;
    color: var(--pic-text);
    margin-bottom: var(--pic-space-md);
}

/* 网站信息区域 */
.footer-logo-link {
    display: inline-flex;
    align-items: center;
    text-decoration: none;
    margin-bottom: var(--pic-space-md);
}

.footer-logo-img {
    height: 36px;
    width: auto;
}

.footer-site-title {
    font-size: var(--pic-font-size-lg);
    font-weight: 600;
    color: var(--pic-text);
}

.footer-description {
    color: var(--pic-text-muted);
    line-height: 1.6;
    margin-bottom: var(--pic-space-lg);
}

.footer-social {
    display: flex;
    gap: var(--pic-space-sm);
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--pic-bg-white);
    border: 1px solid var(--pic-border);
    border-radius: var(--pic-radius-sm);
    color: var(--pic-text-muted);
    text-decoration: none;
    transition: var(--pic-transition);
}

.social-link:hover {
    background: var(--pic-primary);
    border-color: var(--pic-primary);
    color: white;
    transform: translateY(-2px);
}

.social-link.weixin:hover {
    background: var(--color-weixin);
    border-color: var(--color-weixin);
}

.social-link.qq:hover {
    background: var(--color-qq);
    border-color: var(--color-qq);
}

.social-link.weibo:hover {
    background: var(--color-weibo);
    border-color: var(--color-weibo);
}

/* 导航链接 */
.footer-links {
    list-style: none;
    margin: 0;
    padding: 0;
}

.footer-links li {
    margin-bottom: var(--pic-space-sm);
}

.footer-links a {
    color: var(--pic-text-muted);
    text-decoration: none;
    transition: var(--pic-transition);
}

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

/* 分类链接 */
.footer-categories {
    display: flex;
    flex-direction: column;
    gap: var(--pic-space-sm);
}

.category-link {
    color: var(--pic-text-muted);
    text-decoration: none;
    transition: var(--pic-transition);
}

.category-link:hover {
    color: var(--pic-primary);
}

/* 联系信息 */
.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--pic-space-md);
}

.contact-item {
    display: flex;
    align-items: center;
    gap: var(--pic-space-sm);
    color: var(--pic-text-muted);
}

.contact-item svg {
    flex-shrink: 0;
}

/* 底部版权 */
.footer-bottom {
    background: var(--pic-bg-white);
    border-top: 1px solid var(--pic-border-light);
    padding: var(--pic-space-lg) 0;
}

.footer-bottom-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--pic-space-md);
}

.copyright-info {
    display: flex;
    flex-direction: column;
    gap: var(--pic-space-xs);
}

.copyright-info p {
    margin: 0;
    color: var(--pic-text-muted);
    font-size: var(--pic-font-size-sm);
}

.copyright-info a {
    color: var(--pic-text);
    text-decoration: none;
}

.copyright-info a:hover {
    color: var(--pic-primary);
}

.footer-meta {
    display: flex;
    align-items: center;
    gap: var(--pic-space-sm);
    font-size: var(--pic-font-size-xs);
}

.separator {
    color: var(--pic-border);
}

.footer-actions {
    display: flex;
    gap: var(--pic-space-sm);
}

.back-to-top-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--pic-bg-white);
    border: 1px solid var(--pic-border);
    border-radius: var(--pic-radius-sm);
    color: var(--pic-text-muted);
    cursor: pointer;
    transition: var(--pic-transition);
}

.back-to-top-btn:hover {
    background: var(--pic-primary);
    border-color: var(--pic-primary);
    color: white;
    transform: translateY(-2px);
}

/* 浮动返回顶部 */
.floating-back-to-top {
    position: fixed;
    bottom: var(--pic-space-xl);
    right: var(--pic-space-xl);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: var(--pic-transition);
}

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

.floating-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: var(--pic-primary);
    border: none;
    border-radius: var(--pic-radius-sm);
    color: white;
    cursor: pointer;
    box-shadow: var(--pic-shadow-lg);
    transition: var(--pic-transition);
}

.floating-btn:hover {
    background: var(--pic-primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
}

/* 价格信息样式 - 图片区域右下角 */
.card-price-tag {
    position: absolute;
    bottom: var(--pic-space-sm);
    right: var(--pic-space-sm);
    z-index: 2;
}

.card-price-tag .price {
    font-size: var(--pic-font-size-sm);
    font-weight: 600;
    color: var(--pic-text-white);
    padding: var(--pic-space-xs) var(--pic-space-sm);
    background: var(--price-tag-bg);
    border-radius: var(--pic-radius-sm);
    backdrop-filter: blur(4px);
    border: 1px solid var(--price-tag-border);
}

.card-price-tag .price.free {
    background: var(--price-free-bg);
    color: var(--pic-text-white);
}

/* ===== 首页(CosPhoto)样式 ===== */
/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary-color-start) 0%, var(--primary-color-end) 100%);
    border-radius: var(--border-radius);
    padding: var(--padding-section);
    margin-bottom: var(--margin-bottom-section);
    color: var(--text-color);
    text-align: center;
    box-shadow: 0 5px 15px var(--shadow-color);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><path d="M30,40 Q50,20 70,40 T110,40" stroke="white" stroke-width="1" fill="none" opacity="0.1" /></svg>') repeat;
    opacity: 0.1;
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: var(--max-width-content);
    margin: 0 auto;
}

.hero-content h1 {
    font-size: var(--font-size-h1);
    margin-bottom: 15px;
    font-weight: 700;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.hero-content p {
    font-size: var(--font-size-p);
    opacity: 0.9;
    margin: 0 auto 20px;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
    line-height: 1.5;
}

.hero-content .cta-button {
    display: inline-block;
    background-color: var(--button-bg-color);
    color: var(--text-color);
    padding: 10px 25px;
    border-radius: var(--border-radius-button);
    font-size: var(--font-size-button);
    font-weight: 600;
    transition: all 0.3s ease;
    text-decoration: none;
    box-shadow: 0 3px 10px var(--button-shadow-color);
}

.hero-content .cta-button:hover {
    background-color: var(--button-bg-hover-color);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px var(--button-shadow-hover-color);
}

/* 作品网格 - 修改为每行4篇 */
.works-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr) !important;
    gap: 20px;
}

.work-card {
    background: var(--pic-bg-white);
    border-radius: var(--pic-radius-sm);
    overflow: hidden;
    box-shadow: var(--pic-shadow-sm);
    transition: transform var(--pic-transition), box-shadow var(--pic-transition);
    border: 1px solid var(--pic-border-light);
}

.work-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--pic-shadow-lg);
}

.work-image {
    width: 100%;
    aspect-ratio: 3/4;
    background: linear-gradient(45deg, #f5f7fa, #c3cfe2);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--pic-text-muted);
    font-size: var(--pic-font-size-sm);
    position: relative;
    overflow: hidden;
}

.work-tag {
    position: absolute;
    top: 12px;
    left: 12px;
    background: var(--pic-primary);
    color: var(--pic-text-white);
    padding: 4px 8px;
    border-radius: var(--pic-radius-sm);
    font-size: var(--pic-font-size-xs);
    font-weight: 500;
    z-index: 1;
}

.work-info {
    padding: var(--pic-space-md);
}

.work-title {
    font-size: var(--pic-font-size-base);
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--pic-text);
    height: 44px;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    line-height: 1.4;
}

.work-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.work-price {
    font-size: var(--pic-font-size-md);
    font-weight: 600;
    color: var(--price-color);
}

.work-price.free {
    color: var(--price-free-color);
}

.work-size {
    font-size: var(--pic-font-size-xs);
    color: var(--pic-text-muted);
    background: var(--pic-bg-hover);
    padding: var(--pic-space-xs) var(--pic-space-sm);
    border-radius: var(--pic-radius-sm);
}

.buy-button {
    display: block;
    width: 100%;
    background: var(--pic-primary);
    color: var(--pic-text-white);
    border: none;
    padding: 12px;
    border-radius: var(--pic-radius-md);
    font-size: var(--pic-font-size-sm);
    font-weight: 500;
    cursor: pointer;
    transition: background-color var(--pic-transition);
    text-align: center;
    text-decoration: none;
}

.buy-button:hover {
    background: var(--pic-primary-dark);
}

/* 分页 */
.page-btn {
    padding: 8px 12px;
    background: var(--pic-bg-white);
    border: 1px solid var(--pic-border);
    color: var(--pic-text-light);
    cursor: pointer;
    transition: all var(--pic-transition);
    border-radius: var(--pic-radius-sm);
    font-size: var(--pic-font-size-sm);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    text-align: center;
}

.page-btn.prev,
.page-btn.next {
    min-width: 60px;
}

.page-btn:hover {
    color: var(--pic-primary);
    border-color: #c6e2ff;
    background-color: #ecf5ff;
}

.page-btn.active {
    background: var(--pic-primary);
    color: var(--pic-text-white);
    border-color: var(--pic-primary);
}

.pagination .dots {
    color: var(--pic-text-light);
    letter-spacing: 1px;
}

/* 空状态设计 */
.no-posts-found {
    padding: var(--pic-space-2xl) 0;
}

.empty-state {
    text-align: center;
    max-width: 500px;
    margin: 0 auto;
    padding: var(--pic-space-2xl);
}

.empty-icon {
    margin-bottom: var(--pic-space-lg);
    color: var(--pic-text-muted);
    opacity: 0.5;
}

.empty-title {
    font-size: var(--pic-font-size-xl);
    font-weight: 600;
    color: var(--pic-text);
    margin-bottom: var(--pic-space-md);
}

.empty-description {
    font-size: var(--pic-font-size-sm);
    color: var(--pic-text-muted);
    line-height: 1.6;
    margin-bottom: var(--pic-space-2xl);
}

.empty-actions {
    display: flex;
    gap: var(--pic-space-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* 添加卡片链接和悬浮效果的CSS */
.card-link {
    display: block;
    text-decoration: none;
    color: inherit;
    height: 100%;
}

.image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--pic-transition);
}

.preview-text {
    color: var(--pic-text-white);
    font-size: var(--pic-font-size-base);
    font-weight: 500;
    padding: 8px 16px;
    border: 2px solid white;
    border-radius: var(--pic-radius-sm);
}

.card-link:hover .image-overlay {
    opacity: 1;
}

/* ===== 整合admin.css ===== */
/* 通用样式 */
.pic-stats-dashboard {
    margin: 20px 0;
}

.pic-stats-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.pic-stat-card {
    background: var(--pic-bg-white);
    border: 1px solid var(--pic-border);
    border-radius: var(--pic-radius-sm);
    padding: var(--pic-space-lg);
    text-align: center;
    box-shadow: var(--pic-shadow-sm);
}

.pic-stat-card h3 {
    margin: 0 0 var(--pic-space-sm) 0;
    font-size: var(--pic-font-size-sm);
    color: var(--pic-text-light);
    font-weight: 600;
}

.pic-stat-card .stat-value {
    font-size: var(--pic-font-size-3xl);
    font-weight: bold;
    color: var(--pic-text);
    line-height: 1.2;
}

/* 图表容器 */
.pic-charts {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 30px;
    margin-top: 30px;
}

.chart-container {
    background: var(--pic-bg-white);
    border: 1px solid var(--pic-border);
    border-radius: var(--pic-radius-sm);
    padding: var(--pic-space-lg);
    box-shadow: var(--pic-shadow-sm);
}

.chart-container canvas {
    max-width: 100%;
    height: 300px;
}

/* 订单统计 */
.pic-orders-stats {
    margin: 20px 0;
}

.pic-stats-summary {
    display: flex;
    gap: 20px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.stat-item {
    background: var(--pic-bg-white);
    padding: var(--pic-space-lg);
    border-radius: var(--pic-radius-sm);
    border: 1px solid var(--pic-border);
    box-shadow: var(--pic-shadow-sm);
    min-width: 150px;
    text-align: center;
    font-weight: 600;
    color: var(--pic-text);
}

/* 下载统计 */
.pic-downloads-stats {
    margin: 20px 0;
}

.popular-posts {
    margin-top: var(--pic-space-lg);
    background: var(--pic-bg-white);
    border: 1px solid var(--pic-border);
    border-radius: var(--pic-radius-sm);
    padding: var(--pic-space-md);
}

.popular-posts h4 {
    margin: 0 0 var(--pic-space-sm) 0;
    color: var(--pic-text);
}

.popular-posts ul {
    margin: 0;
    padding: 0;
    list-style: none;
}

.popular-posts li {
    padding: var(--pic-space-xs) 0;
    border-bottom: 1px solid var(--pic-border-light);
    color: var(--pic-text-light);
}

.popular-posts li:last-child {
    border-bottom: none;
}

/* 状态样式 */
.status-pending {
    color: var(--pic-warning);
    font-weight: 600;
}

.status-paid {
    color: var(--pic-success);
    font-weight: 600;
}

.status-failed {
    color: var(--pic-danger);
    font-weight: 600;
}

.status-refunded {
    color: var(--pic-text-light);
    font-weight: 600;
}

.status-success {
    color: var(--pic-success);
    background: var(--pic-success-light);
    padding: 2px 8px;
    border-radius: var(--pic-radius-sm);
    font-size: var(--pic-font-size-xs);
    font-weight: 500;
}
/* 表格优化 */
.wp-list-table .column-amount {
    width: 100px;
}

.wp-list-table .column-status {
    width: 120px;
}

.wp-list-table .column-created_at {
    width: 140px;
}

.wp-list-table .column-actions {
    width: 80px;
}

.wp-list-table select {
    font-size: 12px;
    height: auto;
}

.wp-list-table .button-small {
    font-size: 11px;
    height: 26px;
    line-height: 24px;
    padding: 0 8px;
}

/* 主要内容区域 */
.site-main {
    max-width: 1080px;
    margin: 0 auto;
    padding: 0 var(--pic-space-md);
}

/* ===== 导航栏样式 ===== */
.navbar {
    background: #fff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
    height: 60px;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    display: flex;
    align-items: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    will-change: transform;
    backface-visibility: hidden;
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
}

.logo {
    font-size: 24px;
    font-weight: 600;
    color: #409eff;
    letter-spacing: 1px;
}

.logo a {
    text-decoration: none;
    color: inherit;
}

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

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
    margin: 0;
    padding: 0;
}

.nav-menu a {
    text-decoration: none;
    color: #606266;
    font-weight: 500;
    font-size: 15px;
    transition: color 0.3s ease;
    position: relative;
}

.nav-menu a:hover {
    color: #409eff;
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 10px;
}

.search-box {
    display: flex;
    align-items: center;
    background: var(--pic-bg-light);
    border-radius: var(--pic-radius-md);
    padding: var(--pic-space-xs) var(--pic-space-sm);
    border: 1px solid var(--pic-border);
    transition: border-color var(--pic-transition), box-shadow var(--pic-transition);
}

.search-box:focus-within {
    border-color: var(--pic-primary);
    box-shadow: 0 0 0 2px rgba(64, 158, 255, 0.2);
}

.search-box input {
    border: none;
    background: none;
    outline: none;
    font-size: var(--pic-font-size-xs);
    width: 160px;
    color: var(--pic-text);
    padding-right: var(--pic-space-xs);
}

.search-btn {
    background: transparent;
    color: var(--pic-primary);
    border: none;
    padding: 0;
    cursor: pointer;
    font-size: var(--pic-font-size-sm);
    transition: color var(--pic-transition);
}

.search-btn:hover {
    color: var(--pic-primary-hover);
}

/* 导航栏用户菜单 - 单页面导航特定样式 */
.navbar .user-avatar-btn {
    padding: 0;
}

.navbar .user-avatar {
    width: 36px;
    height: 36px;
    object-fit: cover;
    border: 2px solid #e4e7ed;
}

/* 单页面导航特定样式覆盖 */
.navbar .user-dropdown {
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    width: 240px;
    transform: translateY(-10px);
    z-index: 100;
    margin-top: 10px;
}

/* 导航栏用户菜单小三角样式 */
.navbar .user-dropdown::before,
.navbar .user-dropdown::after {
    right: 18px;
}

.navbar .user-dropdown::before {
    border-bottom-color: #e4e7ed;
}

.navbar .user-dropdown::after {
    border-bottom-color: white;
}

.navbar .dropdown-header {
    padding: 15px;
    border-bottom: 1px solid #f0f0f0;
}

.navbar .user-info {
    gap: 10px;
}

.navbar .user-avatar-large {
    border: 2px solid #409eff;
    margin-right: 0;
}

.navbar .user-details {
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.navbar .user-name {
    font-size: 14px;
    color: #303133;
}

.navbar .user-email {
    font-size: 12px;
    color: #909399;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.navbar .dropdown-body {
    padding: 5px 0;
}

.navbar .dropdown-divider {
    background: #f0f0f0;
    margin: 5px 0;
}

.navbar .dropdown-item {
    gap: 10px;
    padding: 10px 15px;
    color: #606266;
    font-size: 14px;
}

.navbar .dropdown-item:hover {
    background: #f5f7fa;
    color: #409eff;
}

.navbar .dropdown-footer {
    padding: 5px 0;
    border-top: 1px solid #f0f0f0;
}

.navbar .logout-item {
    color: #f56c6c;
}

.navbar .logout-item:hover {
    color: #f56c6c;
    background: #feeeee;
}

/* 未登录用户按钮 */
.login-btn {
    border: 1px solid #409eff;
    background: transparent;
    color: #409eff;
    padding: 5px 10px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 12px;
    transition: all 0.3s ease;
}

.login-btn:hover {
    background: rgba(64, 158, 255, 0.1);
}

.register-btn {
    background: #409eff;
    border: 1px solid #409eff;
    color: white;
    padding: 5px 10px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 12px;
    transition: all 0.3s ease;
}

.register-btn:hover {
    background: #337ecc;
    border-color: #337ecc;
}

/* 全局通知系统 */
.pic-notification {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: auto;
    min-width: 250px;
    max-width: 90%;
    padding: 8px 14px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-radius: 6px;
    box-shadow: 0 3px 6px rgba(0, 0, 0, 0.1);
    z-index: 9999;
    opacity: 0;
    animation: slideInDown 0.3s forwards;
}

@keyframes slideInDown {
    from {
        opacity: 0;
        transform: translate(-50%, -20px);
    }
    to {
        opacity: 1;
        transform: translate(-50%, 0);
    }
}

.pic-notification.closing {
    animation: slideOutUp 0.3s forwards;
}

@keyframes slideOutUp {
    from {
        opacity: 1;
        transform: translate(-50%, 0);
    }
    to {
        opacity: 0;
        transform: translate(-50%, -20px);
    }
}

/* 通知类型样式 - Element Plus配色 */
.pic-notification.primary {
    background-color: var(--pic-primary-light);
    border: 1px solid #d9ecff;
    color: var(--pic-primary);
}

.pic-notification.success {
    background-color: var(--pic-success-light);
    border: 1px solid #e1f3d8;
    color: var(--pic-success);
}

.pic-notification.info {
    background-color: var(--pic-info-light);
    border: 1px solid #e9e9eb;
    color: var(--pic-info);
}

.pic-notification.warning {
    background-color: var(--pic-warning-light);
    border: 1px solid #faecd8;
    color: var(--pic-warning);
}

.pic-notification.error {
    background-color: var(--pic-danger-light);
    border: 1px solid #fde2e2;
    color: var(--pic-danger);
}

.notification-content {
    display: flex;
    align-items: center;
    flex: 0 1 auto;
}

.notification-icon {
    margin-right: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 24px;
}

.notification-message {
    font-size: 14px;
    flex: 0 1 auto;
    margin-right: 12px;
    white-space: normal;
    word-break: break-word;
}

.notification-close {
    background: none;
    border: none;
    padding: 0;
    margin-left: auto;
    cursor: pointer;
    opacity: 0.5;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.2s ease;
    color: inherit;
}

.notification-close:hover {
    opacity: 0.8;
}

/* 全局样式 */
/* 返回顶部按钮 */
.back-to-top {
    position: fixed;
    bottom: var(--pic-space-lg);
    right: var(--pic-space-lg);
    width: 48px;
    height: 48px;
    background: var(--pic-primary);
    color: var(--pic-text-white);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: var(--pic-transition);
    z-index: 1000;
    box-shadow: var(--pic-shadow-md);
}

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

.back-to-top:hover {
    background: var(--pic-primary-hover);
    transform: translateY(-2px);
    box-shadow: var(--pic-shadow-lg);
}

/* 提示消息 */
.toast {
    position: fixed;
    bottom: var(--pic-space-lg);
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: var(--pic-text);
    color: var(--pic-text-white);
    padding: var(--pic-space-md) var(--pic-space-lg);
    border-radius: var(--pic-radius-sm);
    font-size: var(--pic-font-size-sm);
    opacity: 0;
    transition: all 0.3s ease;
    z-index: 10001;
    max-width: 300px;
    text-align: center;
}

.toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

/* 加载状态 */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    backdrop-filter: blur(4px);
}

/* 表单成功/错误状态 */
.form-control.success {
    border-color: var(--pic-success);
    box-shadow: 0 0 0 3px var(--pic-success-light);
}

.form-control.error {
    border-color: var(--pic-danger);
    box-shadow: 0 0 0 3px var(--pic-danger-light);
}


/* ===== 页脚样式 ===== */
.footer {
    background: #fff;
    border-top: 1px solid #e4e7ed;
    text-align: center;
    padding: 20px 0;
    color: #909399;
    margin-top: 40px;
}

.footer p {
    font-size: 14px;
}

/* ===== 搜索页面样式 ===== */
.page-header {
    margin: var(--pic-space-xl);
    text-align: center;
}

.page-title {
    font-size: var(--pic-font-size-2xl);
    color: var(--pic-text);
    margin-bottom: var(--pic-space-md);
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
}

.page-title i {
    margin-right: var(--pic-space-sm);
    color: var(--pic-primary);
}

.page-title span {
    color: var(--pic-primary);
    margin-left: var(--pic-space-xs);
}

.search-meta {
    font-size: var(--pic-font-size-sm);
    color: var(--pic-text-light);
    margin-bottom: var(--pic-space-md);
}

.search-form-wrapper {
    max-width: 600px;
    margin: 0 auto var(--pic-space-xl);
}

.search-form.enhanced {
    display: flex;
    flex-direction: column;
    width: 100%;
}

.search-input-group {
    display: flex;
    position: relative;
    width: 100%;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    border-radius: var(--pic-radius-md);
    transition: all 0.3s ease;
}

.search-input-group:hover {
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.12);
}

.search-input-group:focus-within {
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.search-field {
    flex: 1;
    padding: 14px 20px;
    border: 2px solid var(--pic-border);
    border-radius: var(--pic-radius-md);
    font-size: var(--pic-font-size-md);
    transition: all 0.3s ease;
    width: 100%;
    background-color: #fff;
}

.search-field:focus {
    outline: none;
    border-color: var(--pic-primary);
    box-shadow: 0 0 0 3px rgba(73, 160, 252, 0.2);
}

.search-submit {
    position: absolute;
    right: 6px;
    top: 50%;
    transform: translateY(-50%);
    background: var(--pic-primary);
    color: var(--pic-text-white);
    border: none;
    border-radius: var(--pic-radius-sm);
    padding: 8px 16px;
    font-size: var(--pic-font-size-sm);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 6px;
}

.search-submit i {
    font-size: 14px;
}

.search-submit:hover {
    background: var(--pic-primary-hover);
    transform: translateY(-50%) translateX(-2px);
}

/* 无结果样式 */
.no-results {
    padding: var(--pic-space-xl) 0;
    text-align: center;
}

.no-results-content {
    max-width: 600px;
    margin: 0 auto;
    padding: var(--pic-space-xl);
    background: var(--pic-bg-light);
    border-radius: var(--pic-radius-md);
    box-shadow: var(--pic-shadow-sm);
}

.no-results-icon {
    font-size: 64px;
    color: var(--pic-text-light);
    margin-bottom: var(--pic-space-lg);
}

.no-results-content h2 {
    font-size: var(--pic-font-size-xl);
    color: var(--pic-text);
    margin-bottom: var(--pic-space-md);
}

.no-results-content p {
    color: var(--pic-text-light);
    margin-bottom: var(--pic-space-lg);
}

.search-suggestions {
    margin-bottom: var(--pic-space-lg);
    text-align: left;
}

.search-suggestions h3 {
    font-size: var(--pic-font-size-md);
    color: var(--pic-text);
    margin-bottom: var(--pic-space-sm);
}

.search-suggestions ul {
    list-style-type: disc;
    padding-left: var(--pic-space-xl);
    color: var(--pic-text-light);
}

.search-suggestions li {
    margin-bottom: var(--pic-space-xs);
}

.popular-tags {
    margin-bottom: var(--pic-space-lg);
    text-align: left;
}

.popular-tags h3 {
    font-size: var(--pic-font-size-md);
    color: var(--pic-text);
    margin-bottom: var(--pic-space-sm);
}

.tag-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: var(--pic-space-xs);
}

.tag-link {
    display: inline-block;
    padding: var(--pic-space-xs) var(--pic-space-sm);
    background: var(--pic-bg-white);
    border: 1px solid var(--pic-border);
    border-radius: var(--pic-radius-sm);
    color: var(--pic-text);
    font-size: var(--pic-font-size-xs);
    text-decoration: none;
    transition: background-color var(--pic-transition), color var(--pic-transition);
}

.tag-link:hover {
    background: var(--pic-primary);
    color: var(--pic-text-white);
    border-color: var(--pic-primary);
}

.popular-list {
    list-style-type: none;
    padding: 0;
}

.popular-list li {
    margin-bottom: var(--pic-space-sm);
    padding-bottom: var(--pic-space-sm);
    border-bottom: 1px solid var(--pic-border-light);
}

.popular-list li:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.popular-list a {
    color: var(--pic-text);
    text-decoration: none;
    transition: color var(--pic-transition);
    display: block;
    padding: var(--pic-space-xs) 0;
}

.popular-list a:hover {
    color: var(--pic-primary);
}

/* 高亮搜索词 */
mark {
    background-color: rgba(64, 158, 255, 0.2);
    color: var(--pic-primary);
    padding: 0 2px;
    border-radius: 2px;
}

/* ===== 404页面样式 ===== */
.error-404 {
    text-align: center;
}

.error-content {
    max-width: 800px;
    margin: 0 auto;
    padding: var(--pic-space-xl);
    background: var(--pic-bg-white);
    border-radius: var(--pic-radius-lg);
    box-shadow: var(--pic-shadow-md);
}

.error-icon {
    font-size: 64px !important;
    color: var(--pic-primary);
    margin-bottom: var(--pic-space-md);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.1);
        opacity: 0.8;
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

.error-title {
    font-size: 120px;
    font-weight: 800;
    color: var(--pic-primary);
    margin: 0;
    line-height: 1;
    background: linear-gradient(135deg, var(--pic-primary) 0%, #6ac0fe 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
}

.error-subtitle {
    font-size: var(--pic-font-size-2xl);
    color: var(--pic-text);
    margin-top: var(--pic-space-sm);
    margin-bottom: var(--pic-space-md);
}

.error-description {
    font-size: var(--pic-font-size-lg);
    color: var(--pic-text-light);
    max-width: 500px;
    margin: 0 auto var(--pic-space-xl);
}

.error-actions {
    display: flex;
    justify-content: center;
    gap: var(--pic-space-md);
    margin-bottom: var(--pic-space-xl);
}

.error-search {
    max-width: 500px;
    margin: 0 auto var(--pic-space-xl);
    transition: all 0.3s ease;
}

.error-search .search-input-group {
    display: flex;
    position: relative;
    width: 100%;
}

.error-search .search-field {
    flex: 1;
    padding: var(--pic-space-sm) var(--pic-space-lg);
    border: 2px solid var(--pic-border);
    border-radius: var(--pic-radius-md);
    font-size: var(--pic-font-size-md);
    transition: all var(--pic-transition);
    width: 100%;
}

.error-search .search-field:focus {
    outline: none;
    border-color: var(--pic-primary);
    box-shadow: 0 0 0 3px rgba(64, 158, 255, 0.2);
}

.error-search .search-submit {
    position: absolute;
    right: var(--pic-space-xs);
    top: 50%;
    transform: translateY(-50%);
    background: var(--pic-primary);
    color: var(--pic-text-white);
    border: none;
    border-radius: var(--pic-radius-sm);
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background-color var(--pic-transition);
}

.error-search .search-submit:hover {
    background: var(--pic-primary-hover);
}

.error-recommendations,
.error-categories,
.error-contact {
    margin-top: var(--pic-space-2xl);
    padding-top: var(--pic-space-xl);
    border-top: 1px solid var(--pic-border-light);
}

.error-recommendations h3,
.error-categories h3,
.error-contact h3 {
    font-size: var(--pic-font-size-xl);
    color: var(--pic-text);
    margin-bottom: var(--pic-space-lg);
}

.recommendations-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--pic-space-xl);
}

.recommendation-section h4 {
    font-size: var(--pic-font-size-lg);
    color: var(--pic-text);
    margin-bottom: var(--pic-space-md);
    display: flex;
    align-items: center;
}

.recommendation-section h4::before {
    content: '';
    display: inline-block;
    width: 4px;
    height: 18px;
    background: var(--pic-primary);
    margin-right: var(--pic-space-xs);
    border-radius: var(--pic-radius-sm);
}

.recommendation-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.recommendation-item {
    margin-bottom: var(--pic-space-md);
}

.recommendation-item:last-child {
    margin-bottom: 0;
}

.recommendation-link {
    display: flex;
    align-items: center;
    text-decoration: none;
    padding: var(--pic-space-sm);
    border-radius: var(--pic-radius-md);
    transition: background-color var(--pic-transition);
}

.recommendation-link:hover {
    background: var(--pic-bg-light);
}

.recommendation-thumbnail {
    width: 60px;
    height: 60px;
    border-radius: var(--pic-radius-sm);
    overflow: hidden;
    margin-right: var(--pic-space-md);
    flex-shrink: 0;
}

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

.recommendation-content {
    flex: 1;
}

.recommendation-title {
    font-size: var(--pic-font-size-md);
    color: var(--pic-text);
    margin: 0 0 var(--pic-space-xs);
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.recommendation-meta {
    display: flex;
    align-items: center;
    gap: var(--pic-space-md);
    font-size: var(--pic-font-size-sm);
    color: var(--pic-text-light);
}

.download-count i,
.price i,
.post-date i {
    margin-right: var(--pic-space-xs);
}

.price {
    color: var(--pic-primary);
    font-weight: 500;
}

.category-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--pic-space-md);
}

.category-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--pic-space-md);
    background: var(--pic-bg-light);
    border-radius: var(--pic-radius-md);
    text-decoration: none;
    transition: all var(--pic-transition);
}

.category-card:hover {
    background: var(--pic-bg-white);
    transform: translateY(-3px);
    box-shadow: var(--pic-shadow-md);
    border: 1px solid var(--pic-primary-light);
}

.category-info {
    text-align: center;
}

.category-name {
    font-size: var(--pic-font-size-md);
    color: var(--pic-text);
    margin: 0 0 var(--pic-space-xs);
}

.category-count {
    font-size: var(--pic-font-size-sm);
    color: var(--pic-text-light);
}

.error-contact p {
    color: var(--pic-text-light);
    margin-bottom: var(--pic-space-lg);
}

.contact-link {
    display: inline-flex;
    align-items: center;
    color: var(--pic-primary);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--pic-transition);
}

.contact-link i {
    margin-right: var(--pic-space-xs);
}

.contact-link:hover {
    color: var(--pic-primary-hover);
}

/* 用户中心样式 */
.user-dashboard {
    margin: 30px 0 50px;
}

.user-profile-header {
    display: flex;
    align-items: center;
    margin-bottom: 30px;
    padding: 30px;
    background-color: white;
    border-radius: var(--border-radius);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
}

.user-avatar-large {
    margin-right: 30px;
}

.user-avatar-large img {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid var(--primary-color-end);
}

.user-profile-info h1 {
    font-size: 1.8rem;
    margin: 0 0 10px;
    color: var(--pic-text-color);
}

.user-email, .user-registered {
    margin: 5px 0;
    color: var(--pic-text-secondary);
    font-size: 0.95rem;
}

.user-dashboard-nav {
    display: flex;
    flex-wrap: wrap;
    margin-bottom: 20px;
    background-color: white;
    border-radius: var(--border-radius);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
    overflow: hidden;
}

.nav-tab {
    padding: 15px 25px;
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 500;
    color: var(--pic-text-color);
    transition: all 0.3s ease;
    position: relative;
}

.nav-tab:hover {
    color: var(--primary-color-end);
    background-color: rgba(74, 144, 226, 0.05);
}

.nav-tab.active {
    color: var(--primary-color-end);
    background-color: rgba(74, 144, 226, 0.1);
}

.nav-tab.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background-color: var(--primary-color-end);
}

.dashboard-content {
    display: none;
}

.dashboard-content.active {
    display: block;
}

.dashboard-card {
    background-color: white;
    border-radius: var(--border-radius);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
    overflow: hidden;
    margin-bottom: 20px;
}

.card-title {
    padding: 20px 25px;
    margin: 0;
    font-size: 1.2rem;
    font-weight: 600;
    border-bottom: 1px solid var(--pic-border-color);
    color: var(--pic-text-color);
}

.card-body {
    padding: 25px;
}

/* 表单样式 */
.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="password"] {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--pic-border-color);
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-group input[type="text"]:focus,
.form-group input[type="email"]:focus,
.form-group input[type="password"]:focus {
    border-color: var(--primary-color-end);
    outline: none;
    box-shadow: 0 0 0 2px rgba(74, 144, 226, 0.2);
}

.form-submit {
    margin-top: 30px;
}

.btn-small {
    display: inline-block;
    background-color: var(--primary-color-end);
    color: white;
    padding: 6px 12px;
    border: none;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
}

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

/* 订单列表 */
.order-list, .download-list {
    width: 100%;
    border-collapse: collapse;
}

.order-header, .download-header {
    display: flex;
    background-color: #f7f9fc;
    font-weight: 600;
    color: var(--pic-text-secondary);
    border-radius: var(--border-radius) var(--border-radius) 0 0;
}

.order-item, .download-item {
    display: flex;
    border-bottom: 1px solid var(--pic-border-color);
}

.order-col, .download-col {
    padding: 15px;
    flex: 1;
    display: flex;
    align-items: center;
}

.order-status {
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
}

.status-completed {
    background-color: var(--pic-success-light);
    color: var(--pic-success);
}

.status-cancelled {
    background-color: var(--pic-danger-light);
    color: var(--pic-danger);
}

/* 管理选项 */
.admin-links {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
}

.admin-link {
    display: flex;
    padding: 20px;
    background-color: #f7f9fc;
    border-radius: var(--border-radius);
    text-decoration: none;
    transition: all 0.3s ease;
}

.admin-link:hover {
    background-color: #edf2f7;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.admin-icon {
    margin-right: 15px;
    color: var(--primary-color-end);
}

.admin-text h3 {
    margin: 0 0 5px;
    font-size: 1.1rem;
    color: var(--pic-text-color);
}

.admin-text p {
    margin: 0;
    font-size: 0.9rem;
    color: var(--pic-text-secondary);
}

/* ===== 用户中心页面样式 ===== */
.user-center-page {
    padding: var(--pic-space-lg) 0;
    background-color: var(--pic-bg-body);
}

/* 用户个人信息卡片 */
.user-profile-card {
    display: flex;
    align-items: center;
    padding: var(--pic-space-lg);
    margin-bottom: var(--pic-space-lg);
    background-color: var(--pic-bg-white);
    border-radius: var(--pic-radius-md);
    box-shadow: var(--pic-shadow-sm);
}

.user-avatar-container {
    margin-right: var(--pic-space-md);
}

.user-profile-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    object-fit: cover;
    background-color: var(--pic-primary-light);
}

.user-profile-card .user-name {
    font-size: var(--pic-font-size-xl);
    font-weight: 600;
    margin: 0 0 var(--pic-space-xs);
    color: var(--pic-text);
}

.user-register-date {
    font-size: var(--pic-font-size-sm);
    color: var(--pic-text-muted);
    margin: 0;
}

/* 用户中心导航栏 */
.user-center-tabs {
    display: flex;
    margin-bottom: var(--pic-space-lg);
    background-color: var(--pic-bg-white);
    border-radius: var(--pic-radius-md);
    box-shadow: var(--pic-shadow-sm);
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.user-center-tabs::-webkit-scrollbar {
    display: none;
}

.tab-btn {
    flex: 1;
    min-width: max-content;
    padding: var(--pic-space-md) var(--pic-space-lg);
    border: none;
    background: none;
    cursor: pointer;
    font-size: var(--pic-font-size-base);
    color: var(--pic-text-light);
    font-weight: 500;
    transition: all var(--pic-transition);
    position: relative;
    text-align: center;
}

.tab-btn:hover {
    color: var(--pic-primary);
}

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

.tab-btn.active::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 30px;
    height: 3px;
    background-color: var(--pic-primary);
    border-radius: 3px 3px 0 0;
}

/* 选项卡内容区域 */
.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.user-content-card {
    background-color: var(--pic-bg-white);
    border-radius: var(--pic-radius-md);
    box-shadow: var(--pic-shadow-sm);
    padding: var(--pic-space-xl);
    margin-bottom: var(--pic-space-lg);
}

.content-title {
    font-size: var(--pic-font-size-xl);
    font-weight: 600;
    margin-top: 0;
    margin-bottom: var(--pic-space-lg);
    color: var(--pic-text);
}
.content-title i{
    margin-right: 5px;
}
.user-content-section {
    position: relative;
    padding-left: 40px;
}

.section-icon {
    position: absolute;
    left: 0;
    top: 0;
    width: 24px;
    height: 24px;
    color: var(--pic-primary);
}

.section-title {
    font-size: var(--pic-font-size-lg);
    font-weight: 600;
    margin-top: 0;
    margin-bottom: var(--pic-space-lg);
    color: var(--pic-text);
}

.btn-download {
    display: inline-flex;
    align-items: center;
    padding: var(--pic-space-xs) var(--pic-space-md);
    background-color: var(--pic-primary-light);
    color: var(--pic-primary);
    border: none;
    border-radius: var(--pic-radius-sm);
    font-size: var(--pic-font-size-sm);
    font-weight: 500;
    cursor: pointer;
    transition: background var(--pic-transition);
}

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

/* 购买记录项样式 */
.order-item {
    padding: var(--pic-space-lg);
    border-radius: var(--pic-radius-md);
    background-color: var(--pic-bg-white);
    border: 1px solid var(--pic-border-light);
    transition: transform var(--pic-transition), box-shadow var(--pic-transition);
}

.order-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--pic-shadow-md);
}

.order-title,
.download-title {
    font-size: var(--pic-font-size-lg);
    font-weight: 600;
    margin: 0 0 var(--pic-space-md);
    color: var(--pic-text);
}

.order-meta,
.download-meta {
    margin-bottom: var(--pic-space-md);
}

.meta-item {
    display: flex;
    margin-bottom: var(--pic-space-xs);
    font-size: var(--pic-font-size-sm);
}

.meta-label {
    color: var(--pic-text-muted);
    width: 80px;
    flex-shrink: 0;
}

.meta-value {
    color: var(--pic-text-light);
}

.meta-value.price {
    color: var(--button-bg-color);
    font-weight: 500;
}

.order-status-info {
    display: flex;
    justify-content: flex-end;
}

.order-status {
    display: inline-block;
    padding: var(--pic-space-xs) var(--pic-space-md);
    border-radius: 30px;
    font-size: var(--pic-font-size-xs);
    font-weight: 500;
}

.download-actions {
    display: flex;
    justify-content: flex-end;
}

/* 密码安全提示 */
.password-tips {
    margin-top: var(--pic-space-xl);
    background-color: var(--pic-primary-light);
    border-radius: var(--pic-radius-md);
    padding: var(--pic-space-md);
}

.tips-header {
    font-weight: 500;
    margin-bottom: var(--pic-space-sm);
    color: var(--pic-primary);
}

.tips-list {
    padding-left: var(--pic-space-lg);
    margin: 0;
}

.tips-list li {
    margin-bottom: var(--pic-space-xs);
    color: var(--pic-text-light);
    font-size: var(--pic-font-size-sm);
}

/* ===== 认证模态框样式 ===== */
#auth-modal.show {
    display: flex;
}

.auth-container {
    padding: var(--pic-space-2xl) var(--pic-space-lg) var(--pic-space-lg);
    width: 100%;
    max-width: 400px;
    margin: 0 auto;
}

.auth-form-container {
    display: none;
}

.auth-form-container.active {
    display: block;
}

/* 认证头部 */
.auth-header {
    text-align: center;
    margin-bottom: var(--pic-space-lg);
}

.auth-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto var(--pic-space-md);
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--pic-primary-light);
    border-radius: 50%;
    color: var(--pic-primary);
}

.auth-header h3 {
    margin: 0 0 var(--pic-space-xs);
    font-size: var(--pic-font-size-xl);
    font-weight: 600;
    color: var(--pic-text);
    letter-spacing: -0.025em;
}

.auth-subtitle {
    margin: 0;
    font-size: var(--pic-font-size-sm);
    color: var(--pic-text-muted);
    line-height: 1.5;
}

/* 认证表单样式 */
.auth-form {
    margin-top: var(--pic-space-lg);
}

.auth-form .input-group {
    position: relative;
    display: flex;
    align-items: center;
    margin-bottom: var(--pic-space-md);
}

.auth-form .input-icon {
    position: absolute;
    left: var(--pic-space-md);
    z-index: 2;
    color: var(--pic-text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color var(--pic-transition-fast);
    width: 14px;
    text-align: center;
}

.auth-form .form-control {
    width: 100%;
    padding: var(--pic-space-md) var(--pic-space-md) var(--pic-space-md) 48px !important;
    border: 2px solid var(--pic-border);
    border-radius: var(--pic-radius-md);
    font-size: var(--pic-font-size-base);
    font-weight: 400;
    color: var(--pic-text);
    background: var(--pic-bg-white);
    transition: all var(--pic-transition-fast);
    line-height: 1.5;
    min-height: 40px;
}

.auth-form .form-control:focus {
    outline: none;
    border-color: var(--pic-primary);
    box-shadow: 0 0 0 3px rgba(73, 160, 252, 0.2);
}

.auth-form .input-group:focus-within .input-icon {
    color: var(--pic-primary);
}

.auth-form .form-control::placeholder {
    color: var(--pic-text-muted);
    font-weight: 400;
}

/* 密码显示/隐藏按钮 */
.password-toggle {
    position: absolute;
    right: var(--pic-space-md);
    background: none;
    border: none;
    padding: 0;
    color: var(--pic-text-muted);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color var(--pic-transition-fast);
    z-index: 3;
}

.password-toggle:hover {
    color: var(--pic-text);
}

/* 表单选项 */
.form-options {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--pic-space-md);
    font-size: var(--pic-font-size-sm);
}

/* 复选框样式 */
.checkbox-group {
    display: flex;
    align-items: center;
    cursor: pointer;
    user-select: none;
}

.checkbox-group input[type="checkbox"] {
    margin-right: var(--pic-space-xs);
}

.checkbox-label {
    color: var(--pic-text);
}

.forgot-link {
    color: var(--pic-primary);
    text-decoration: none;
    font-size: var(--pic-font-size-sm);
}

.forgot-link:hover {
    text-decoration: underline;
}

/* 按钮样式 */
.auth-form .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: var(--pic-space-md);
    border: none;
    border-radius: var(--pic-radius-md);
    font-size: var(--pic-font-size-base);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--pic-transition-fast);
}

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

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

.btn-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--pic-space-sm);
}

/* 表单消息 */
.form-message {
    margin-top: var(--pic-space-md);
    padding: var(--pic-space-sm) var(--pic-space-md);
    border-radius: var(--pic-radius-sm);
    font-size: var(--pic-font-size-sm);
    text-align: center;
}

.form-message.error {
    background-color: var(--pic-danger-light);
    color: var(--pic-danger);
    border: 1px solid var(--pic-danger);
}

.form-message.success {
    background-color: var(--pic-success-light);
    color: var(--pic-success);
    border: 1px solid var(--pic-success);
}

/* 社交登录 */
.social-login {
    margin-top: var(--pic-space-xl);
}

.divider {
    position: relative;
    text-align: center;
    margin: var(--pic-space-md) 0;
}

.divider::before {
    content: "";
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background-color: var(--pic-border);
}

.divider-text {
    position: relative;
    display: inline-block;
    padding: 0 var(--pic-space-md);
    background-color: var(--pic-bg-white);
    color: var(--pic-text-muted);
    font-size: var(--pic-font-size-sm);
}

.social-buttons {
    display: flex;
    justify-content: center;
    gap: var(--pic-space-md);
    margin-top: var(--pic-space-md);
}

.social-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: var(--pic-space-sm) var(--pic-space-md);
    border: 1px solid var(--pic-border);
    border-radius: var(--pic-radius-md);
    background-color: var(--pic-bg-white);
    color: var(--pic-text);
    font-size: var(--pic-font-size-sm);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--pic-transition-fast);
}

.social-btn:hover {
    background-color: var(--pic-bg-hover);
    border-color: var(--pic-border-dark);
}

/* 切换表单 */
.auth-switch {
    margin-top: var(--pic-space-lg);
    text-align: center;
    font-size: var(--pic-font-size-sm);
    color: var(--pic-text-muted);
}

.switch-link {
    color: var(--pic-primary);
    text-decoration: none;
    font-weight: 500;
    cursor: pointer;
}

.switch-link:hover {
    text-decoration: underline;
}

.form-footer {
    margin-top: var(--pic-space-lg);
}

.form-helper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--pic-space-md);
}

.remember-me {
    display: flex;
    align-items: center;
}

.remember-me input[type="checkbox"] {
    margin-right: var(--pic-space-xs);
}

.forgot-password {
    color: var(--pic-primary);
    font-size: var(--pic-font-size-sm);
    text-decoration: none;
}

.forgot-password:hover {
    text-decoration: underline;
}

.form-divider {
    text-align: center;
    margin: var(--pic-space-lg) 0;
    position: relative;
}

.form-divider::before {
    content: "";
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background-color: var(--pic-border);
}

.form-switch {
    text-align: center;
    margin-top: var(--pic-space-lg);
    font-size: var(--pic-font-size-sm);
    color: var(--pic-text-muted);
}

.form-switch .switch-link {
    margin-left: var(--pic-space-xs);
}

.form-error {
    color: var(--pic-danger);
    font-size: var(--pic-font-size-sm);
    margin-top: var(--pic-space-xs);
    display: none;
}

.input-group.error .form-control {
    border-color: var(--pic-danger);
}

.input-group.error .input-icon {
    color: var(--pic-danger);
}

.input-group.error .form-error {
    display: block;
}

/* 认证表单字段提示和错误样式 */
.field-error {
    color: #e74c3c;
    font-size: var(--pic-font-size-xs);
    margin-top: 4px;
    display: none;
}

.field-hint {
    color: var(--pic-text-muted);
    font-size: var(--pic-font-size-xs);
    margin-top: 4px;
    line-height: 1.4;
}

.input-group .form-control.error {
    border-color: #e74c3c;
    background-color: rgba(231, 76, 60, 0.05);
}

/* 协议链接样式 */
.terms-link, .privacy-link {
    color: var(--pic-primary);
    text-decoration: none;
    transition: var(--pic-transition-fast);
}

.terms-link:hover, .privacy-link:hover {
    text-decoration: underline;
}

/* 验证码按钮样式 */
.verification-code-btn {
    position: absolute;
    right: 0;
    top: 0;
    height: 100%;
    padding: 0 15px;
    border: none;
    background-color: #f0f0f0;
    color: #333;
    font-size: 14px;
    cursor: pointer;
    border-top-right-radius: 4px;
    border-bottom-right-radius: 4px;
    z-index: 3;
    transition: all 0.3s ease;
}

.verification-code-btn:hover {
    background-color: #e0e0e0;
}

.verification-code-btn:disabled {
    background-color: #f0f0f0;
    color: #999;
    cursor: not-allowed;
}

/* 当验证码按钮存在时，调整输入框右侧内边距 */
.input-group:has(.verification-code-btn) .form-control {
    padding-right: 110px !important;
}

/* ===== 顶部搜索按钮和搜索覆盖框样式 ===== */
.search-toggle-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    color: var(--pic-primary);
    border: none;
    padding: 8px;
    cursor: pointer;
    font-size: var(--pic-font-size-base);
    transition: var(--pic-transition);
    border-radius: var(--pic-radius-sm);
}

.search-toggle-btn:hover {
    background-color: var(--pic-bg-hover);
    color: var(--pic-primary-hover);
}

.search-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 60px;
    background: #fff;
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: all linear 0.2s;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
    display: flex;
    align-items: center;
}

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

.search-overlay-content {
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    height: 100%;
    width: 100%;
    margin: 0 auto;
    padding: 0;
    max-width: 1080px;
}

.search-container {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    height: 100%;
    padding: 0;
    position: relative;
}

/* ===== 自定义确认对话框样式 ===== */
.pic-confirm-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--modal-overlay-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    opacity: 0;
    transition: opacity 0.3s cubic-bezier(0.215, 0.61, 0.355, 1);
    backdrop-filter: blur(var(--modal-blur));
    -webkit-backdrop-filter: blur(var(--modal-blur));
}

.pic-confirm-dialog {
    background-color: var(--pic-bg-white);
    border-radius: var(--pic-radius-md);
    box-shadow: var(--modal-shadow);
    width: 90%;
    max-width: 420px;
    transform: translateY(-30px) scale(0.95);
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    overflow: hidden;
    will-change: transform;
}

.pic-confirm-header {
    padding: var(--pic-space-md) var(--pic-space-lg);
    background-color: var(--pic-bg-light);
    border-bottom: 1px solid var(--pic-border-light);
    display: flex;
    align-items: center;
}

.pic-confirm-icon {
    margin-right: var(--pic-space-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

.pic-confirm-header h3 {
    margin: 0;
    font-size: var(--pic-font-size-md);
    font-weight: 600;
    color: var(--pic-text);
}

.pic-confirm-body {
    padding: var(--pic-space-lg);
}

.pic-confirm-body p {
    margin: 0;
    font-size: var(--pic-font-size-base);
    color: var(--pic-text-light);
    line-height: 1.6;
}

.pic-confirm-footer {
    padding: var(--pic-space-md) var(--pic-space-lg) var(--pic-space-lg);
    display: flex;
    justify-content: flex-end;
    gap: var(--pic-space-md);
    border-top: 1px solid var(--pic-border-light);
}

.pic-btn-cancel {
    padding: var(--pic-space-sm) var(--pic-space-lg);
    border: 1px solid var(--pic-border);
    border-radius: var(--pic-radius-md);
    background: var(--pic-bg-light);
    color: var(--pic-text-light);
    font-size: var(--pic-font-size-sm);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--pic-transition-fast);
}

.pic-btn-cancel:hover {
    background-color: var(--pic-bg-hover);
    border-color: var(--pic-border-dark);
}

.pic-btn-confirm {
    padding: var(--pic-space-sm) var(--pic-space-lg);
    border: none;
    border-radius: var(--pic-radius-md);
    background: var(--pic-danger);
    color: var(--pic-text-white);
    font-size: var(--pic-font-size-sm);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--pic-transition-fast);
}

.pic-btn-confirm:hover {
    background-color: var(--pic-danger);
    box-shadow: var(--pic-shadow-md);
}

/* ===== 现代化首页样式 ===== */
.home-page {
    padding-top: 0;
}

/* 英雄区域 */
.hero-section {
    position: relative;
    height: 70vh;
    min-height: 560px;
    max-height: 800px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-image: linear-gradient(45deg, rgba(0,0,0,0.7), rgba(0,0,0,0.4)), linear-gradient(to right, #2b6cb0, #4a90e2);
    background-size: cover;
    background-position: center;
    color: #fff;
    overflow: hidden;
    margin-bottom: 0;
    text-align: center;
    padding-bottom: 30px;
    margin-top: -20px;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(0,0,0,0.3) 0%, rgba(0,0,0,0.8) 100%);
    z-index: 1;
}

.hero-container {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    max-width: 1200px;
    margin-top: -80px;
}

.hero-content {
    width: 100%;
    max-width: 800px;
    padding: 0 20px;
    margin: 0 auto;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    line-height: 1.2;
    letter-spacing: -0.02em;
    animation: fadeInDown 1s ease-out;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-title span {
    color: var(--pic-primary);
    position: relative;
    display: inline-block;
    margin-left: 8px;
}

.hero-title span::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 6px;
    background-color: var(--pic-primary);
    border-radius: 3px;
    transform: translateY(8px);
}

.hero-description {
    font-size: 1.5rem;
    font-weight: 400;
    margin-bottom: 2.5rem;
    opacity: 0.9;
    max-width: 80%;
    margin-left: auto;
    margin-right: auto;
    animation: fadeInUp 1s ease-out 0.3s both;
    line-height: 1.6;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    animation: fadeIn 1s ease-out 0.6s both;
    align-items: center;
    margin-top: 20px;
}

.hero-btn {
    min-width: 160px;
    height: 54px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.125rem;
    font-weight: 600;
    border-radius: 50px;
    padding: 0 30px;
    transition: all 0.3s ease;
    gap: 8px;
    box-sizing: border-box;
}

.btn-primary.hero-btn {
    background: var(--pic-primary);
    color: #fff;
    border: none;
    box-shadow: 0 10px 20px rgba(73, 160, 252, 0.3);
    margin-top: 0;
}

.btn-primary.hero-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 25px rgba(73, 160, 252, 0.4);
}

.btn-ghost.hero-btn {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn-ghost.hero-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-3px);
}

.hero-scroll-indicator {
    position: absolute;
    bottom: 50px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    color: rgba(255, 255, 255, 0.7);
    z-index: 10;
    cursor: pointer;
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.hero-scroll-indicator.animate {
    animation: bounce 2s infinite;
}

.hero-scroll-indicator.hide {
    opacity: 0;
    transform: translate(-50%, 20px);
}

.scroll-text {
    font-size: 0.875rem;
    margin-bottom: 8px;
    letter-spacing: 1px;
    text-transform: uppercase;
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translate(-50%, 0);
    }
    40% {
        transform: translate(-50%, -10px);
    }
    60% {
        transform: translate(-50%, -5px);
    }
}

/* 分类导航 */
.categories-section {
    background-color: #fff;
    padding: 30px 0;
    box-shadow: 0 -10px 30px rgba(0, 0, 0, 0.05);
    position: relative;
    z-index: 5;
}

.categories-wrapper {
    display: flex;
    justify-content: space-between;
    gap: 10px;
    flex-wrap: nowrap;
    overflow-x: auto;
    padding: 10px 0;
    scrollbar-width: none;
}

.categories-wrapper::-webkit-scrollbar {
    display: none;
}

.category-item {
    flex: 1 0 auto;
    min-width: 120px;
}

.category-link {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 15px 10px;
    border-radius: 12px;
    transition: all 0.3s ease;
    text-decoration: none;
    color: var(--pic-text);
}

.category-link:hover {
    background-color: rgba(73, 160, 252, 0.05);
    transform: translateY(-3px);
}

.category-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background-color: rgba(73, 160, 252, 0.1);
    margin-bottom: 12px;
    transition: all 0.3s ease;
    color: var(--pic-primary);
}

.category-link:hover .category-icon {
    background-color: var(--pic-primary);
    color: #fff;
    box-shadow: 0 10px 20px rgba(73, 160, 252, 0.25);
}

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

/* 区块标题样式 */
.section-header {
    text-align: center;
    margin-bottom: 40px;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 15px;
    color: var(--pic-text);
    letter-spacing: -0.02em;
}

.section-title span {
    color: var(--pic-primary);
    position: relative;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--pic-text-light);
    max-width: 600px;
    margin: 0 auto;
}

.section-action {
    text-align: center;
    margin-top: 40px;
}

/* 精选作品 */
.featured-section {
    padding: 80px 0;
    background-color: #f9fafc;
}

.featured-slider {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 30px;
    margin: 0 auto;
}

.featured-item {
    height: 100%;
}

.featured-card {
    display: block;
    height: 100%;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    background-color: #fff;
    transition: all 0.3s ease;
    text-decoration: none;
    color: var(--pic-text);
}

.featured-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
}

.featured-image {
    position: relative;
    padding-top: 75%;
    overflow: hidden;
}

.featured-image img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

.featured-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    background: linear-gradient(to top, rgba(0,0,0,0.8) 0%, rgba(0,0,0,0) 100%);
    padding: 20px;
    transition: all 0.3s ease;
    opacity: 0;
    transform: translateY(20px);
}

.featured-card:hover .featured-overlay {
    opacity: 1;
    transform: translateY(0);
}

.featured-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: #fff;
}

.featured-price {
    font-weight: 700;
    font-size: 1.125rem;
    background: rgba(255, 255, 255, 0.2);
    padding: 5px 12px;
    border-radius: 20px;
    backdrop-filter: blur(5px);
}

.featured-price.price-free {
    background: rgba(39, 174, 96, 0.3);
    color: #2ecc71;
}

.featured-view {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.875rem;
    font-weight: 500;
    background: rgba(73, 160, 252, 0.3);
    padding: 5px 12px;
    border-radius: 20px;
    backdrop-filter: blur(5px);
}

.featured-content {
    padding: 25px;
}

.featured-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 12px;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.featured-excerpt {
    color: var(--pic-text-light);
    font-size: 0.875rem;
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 0;
}

.btn-outline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: 2px solid var(--pic-primary);
    color: var(--pic-primary);
    border-radius: 50px;
    padding: 12px 30px;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
    gap: 8px;
}

.btn-outline:hover {
    background-color: var(--pic-primary);
    color: #fff;
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(73, 160, 252, 0.25);
}

/* 最新作品样式优化 */
.latest-works-section {
    padding: 20px 0;
}

.work-card {
    border-radius: var(--pic-radius-sm);
    overflow: hidden;
    background-color: #fff;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.06);
    transition: all 0.3s ease;
}

.work-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.work-image img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.work-tag.tag-hot {
    background-color: rgba(231, 76, 60, 0.8);
}

.work-tag.tag-new {
    background-color: rgba(52, 152, 219, 0.8);
}

.work-tag.tag-featured {
    background-color: rgba(241, 196, 15, 0.8);
}

.work-card:hover .image-overlay {
    opacity: 1;
}

.work-card:hover .work-image img {
    transform: scale(1.08);
}

.preview-text {
    color: white;
    font-weight: 600;
    font-size: 0.9rem;
    padding: 8px 16px;
    border-radius: 4px;
    background-color: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
}

.work-title {
    font-weight: 700;
    margin-bottom: 10px;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.work-price {
    font-weight: 700;
    color: #e74c3c;
    font-size: 1.1rem;
}

.work-price.price-free {
    color: #27ae60;
}

.work-size {
    color: var(--pic-text-light);
    font-size: 0.75rem;
}

.placeholder-image {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    background-color: #f5f7fa;
    color: #ccd6e0;
}

/* 分页导航 */
.pagination-container {
    display: flex;
    justify-content: center;
    width: 100%;
    overflow-x: auto;
}

.pagination {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: nowrap;
    justify-content: center;
    min-width: fit-content;
}

.page-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 15px;
    border-radius: 8px;
    background-color: #fff;
    border: 1px solid #e1e8ed;
    color: var(--pic-text);
    font-weight: 500;
    font-size: 0.9rem;
    transition: all 0.2s ease;
    text-decoration: none;
    gap: 6px;
}

.page-btn:hover {
    border-color: var(--pic-primary);
    color: var(--pic-primary);
    background-color: rgba(73, 160, 252, 0.05);
}

.page-btn.active {
    background-color: var(--pic-primary);
    border-color: var(--pic-primary);
    color: white;
}

.page-btn.prev,
.page-btn.next {
    padding: 0 15px;
}

.dots {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    color: var(--pic-text-light);
    pointer-events: none;
}

/* 随机文章推荐区域 */
.random-posts-section {
    background-color: #f9fafc;
    padding: 80px 0;
    margin-top: 40px;
    border-top: 1px solid #e1e8ed;
}

.random-posts-title {
    font-size: 2.2rem;
    font-weight: 800;
    margin-bottom: 40px;
    color: var(--pic-text);
    letter-spacing: -0.02em;
    line-height: 1.2;
    text-align: center;
}

.random-posts-title span {
    color: var(--pic-primary);
    position: relative;
}

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

.random-post-card {
    background: var(--pic-bg-white);
    border-radius: var(--pic-radius-sm);
    overflow: hidden;
    transition: transform var(--pic-transition), box-shadow var(--pic-transition);
    border: 1px solid var(--pic-border-light);
    box-shadow: var(--pic-shadow-sm);
}

.random-post-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--pic-shadow-md);
}

.random-post-card.text-only {
    border-left: 4px solid var(--pic-primary);
    padding: 16px 20px;
}

.random-post-content {
    padding: 0;
}

.random-post-title {
    font-size: var(--pic-font-size-base);
    font-weight: 600;
    margin: 0 0 8px 0;
    line-height: 1.4;
}

.random-post-title a {
    color: var(--pic-text);
    text-decoration: none;
    transition: color var(--pic-transition);
}

.random-post-title a:hover {
    color: var(--pic-primary);
}

.random-post-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: var(--pic-font-size-xs);
    color: var(--pic-text-muted);
}





/* 查看更多按钮样式 */
.view-more-container {
    text-align: center;
    margin-top: 30px;
}

.view-more-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    font-size: 1rem;
    font-weight: 500;
    border-radius: 8px;
    transition: all 0.3s ease;
    background-color: var(--pic-primary);
    color: #fff;
    text-decoration: none;
}

.view-more-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--pic-shadow-md);
    background-color: var(--pic-primary-hover);
    color: #fff;
}

.view-more-btn svg {
    transition: transform 0.3s ease;
}

.view-more-btn:hover svg {
    transform: translateX(3px);
}

/* 添加页面内容的顶部内边距，补偿固定导航的高度 */
#content {
    padding-top: 80px;
    transition: padding-top 0.3s ease;
}

/* 防止移动端菜单时背景滚动 */
body.mobile-menu-open,
body.search-open {
    overflow: hidden;
}

/* ===== 响应式设计 - 统一媒体查询 ===== */
/* 中等屏幕设备 (1200px) */
@media (max-width: 1199px) and (min-width: 992px) {
    .posts-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 25px;
    }
    
    .content-area {
        gap: 30px;
    }
}

/* 中等屏幕设备 (1080px) */
@media (max-width: 1080px) {
    .pic-charts {
        grid-template-columns: 1fr;
    }
    
    .chart-container {
        min-width: auto;
    }
}

/* 大平板设备 (1024px) */
@media (max-width: 1024px) {
    .works-grid {
        grid-template-columns: repeat(3, 1fr) !important;
    }
}

/* 平板设备 (992px) */
@media (max-width: 991px) and (min-width: 768px) {
    .site-header .header-container {
        flex-direction: column;
        gap: 20px;
    }
    
    .main-navigation ul {
        justify-content: center;
        gap: 25px;
    }
    
    .posts-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    .content-area {
        flex-direction: column;
        gap: 30px;
    }
    
    .random-posts-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* 平板设备 (768px) */
@media (max-width: 768px) {
    :root {
        --pic-space-md: 12px;
        --pic-space-lg: 20px;
        --pic-space-xl: 24px;
        --pic-space-2xl: 32px;
        --pic-space-3xl: 48px;
        --pic-header-height: 50px;
        --font-size-h1: 1.8rem;
        --font-size-p: 0.95rem;
        --font-size-button: 0.9rem;
        --padding-section: 40px 20px;
    }
    
    .hidden-mobile { display: none; }
    .visible-mobile { display: block; }
    
    .main-navigation {
        display: none;
    }
    
    .site-description {
        display: none;
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--pic-space-lg);
    }
    
    .footer-bottom-content {
        flex-direction: column;
        align-items: flex-start;
        text-align: center;
    }
    
    .pic-stats-cards {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .pic-stats-summary {
        flex-direction: column;
    }
    
    .stat-item {
        min-width: auto;
    }
    
    .container {
        padding: 0 10px;
    }

    .hero {
        padding: 40px 20px;
    }

    .hero h1 {
        font-size: var(--pic-font-size-2xl);
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-description {
        font-size: 1.2rem;
        max-width: 95%;
    }
    
    .hero-buttons {
        align-items: center;
    }
    
    .hero-btn {
        height: 48px;
        min-width: 140px;
        font-size: 1rem;
    }
    
    .hero-content h1 {
        margin-bottom: 12px;
    }
    
    .hero-content p {
        margin-bottom: 18px;
    }
    
    .hero-content .cta-button {
        padding: 8px 20px;
    }
    
    .hero-container {
        margin-top: -20px;
    }
    
    .works-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 8px;
    }
    
    .user-profile-header {
        flex-direction: column;
        text-align: center;
        padding: 20px;
    }
    
    .user-avatar-large {
        margin-right: 0;
        margin-bottom: 20px;
    }
    
    .user-dashboard-nav {
        overflow-x: auto;
        white-space: nowrap;
        display: block;
    }
    
    .nav-tab {
        padding: 12px 15px;
        font-size: 0.95rem;
    }
    
    .order-header, .download-header,
    .order-item, .download-item {
        display: block;
    }
    
    .order-header, .download-header {
        display: none;
    }
    
    .order-item, .download-item {
        padding: 15px;
        margin-bottom: 15px;
        border: 1px solid var(--pic-border-color);
        border-radius: var(--border-radius);
    }
    
    .order-col, .download-col {
        padding: 8px 0;
        border-bottom: 1px dashed var(--pic-border-color);
    }
    
    .order-col:last-child, .download-col:last-child {
        border-bottom: none;
    }
    
    .order-col:before, .download-col:before {
        content: attr(data-label);
        font-weight: 600;
        margin-right: 10px;
        min-width: 100px;
    }
    
    .admin-links {
        grid-template-columns: 1fr;
    }
    
    .user-profile-card {
        flex-direction: column;
        text-align: center;
        padding: var(--pic-space-md);
    }
    
    .user-avatar-container {
        margin-right: 0;
        margin-bottom: var(--pic-space-md);
    }
    
    .user-center-tabs {
        flex-wrap: nowrap;
        overflow-x: auto;
        padding: 0 var(--pic-space-md);
    }
    
    .tab-btn {
        flex: 0 0 auto;
        padding: var(--pic-space-md) var(--pic-space-md);
    }
    
    .user-content-card {
        padding: var(--pic-space-md);
    }
    
    .admin-links {
        grid-template-columns: 1fr;
    }
    
    .form-actions {
        flex-direction: column;
    }
    
    .btn-primary,
    .btn-secondary {
        width: 100%;
    }
    
    .meta-item {
        flex-direction: column;
    }
    
    .meta-label {
        width: 100%;
        margin-bottom: var(--pic-space-xs);
    }
    
    .order-status-info,
    .download-actions {
        justify-content: flex-start;
        margin-top: var(--pic-space-md);
    }
    
    .login-btn,
    .register-btn {
        padding: 4px 10px;
        display: flex;
        align-items: center;
        height: 32px;
    }
    
    .search-box {
        display: none;
    }
    
    .navbar {
        display: flex;
        align-items: center;
    }
    
    /* 导航菜单布局 */
    .nav-content {
        display: flex;
        align-items: center;
        justify-content: space-between;
        position: relative;
    }
    
    .logo {
        margin-right: 60px;
    }
    
    .nav-right {
        display: flex;
        align-items: center;
    }
    
    /* 移除分隔线，因为第二行菜单被隐藏了 */
    
    .nav-menu {
        display: none; /* 隐藏导航菜单，不显示为第二行 */
    }
    
    /* 删除与nav-menu相关的滚动样式 */
    
    .pagination {
        margin-top: 20px;
        gap: 5px;
    }
    
    .page-btn {
        min-width: 36px;
        height: 36px;
        padding: 0 10px;
        font-size: 0.85rem;
    }
    
    .page-btn.prev span,
    .page-btn.next span {
        display: none;
    }
    
    .page-btn.prev,
    .page-btn.next {
        padding: 0;
        min-width: 36px;
    }
    
    .search-overlay {
        height: 60px;
    }
    
    .search-container {
        padding: 0 30px;
    }
    
    .search-input {
        min-width: 280px;
    }
    
    .search-close {
        right: 0;
        font-size: 14px;
    }
    
    .latest-works-section {
        padding: 10px 0 0;
    }
    
    .random-posts-section {
        padding: 30px 0;
        margin-top: 0;
    }
    

    
    .error-title {
        font-size: 80px;
    }
    
    .error-actions {
        flex-direction: column;
        gap: var(--pic-space-sm);
    }
    
    .recommendations-grid {
        grid-template-columns: 1fr;
    }
    
    .category-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .random-posts-grid {
        grid-template-columns: repeat(1, 1fr);
    }
}

/* 小平板设备 (767px - 481px) */
@media (max-width: 767px) and (min-width: 481px) {
    .content-area {
        padding: 0 15px;
    }
    
    .header-container {
        flex-direction: column;
        gap: 15px;
        padding: 10px 15px;
    }
    
    .site-logo {
        font-size: 20px;
    }
    
    .main-navigation ul {
        flex-wrap: wrap;
        justify-content: center;
        gap: 15px;
    }
    
    .user-area {
        flex-direction: column;
        gap: 10px;
        width: 100%;
    }
    
    .auth-buttons {
        width: 100%;
    }
    
    .auth-buttons .btn {
        flex: 1;
        text-align: center;
    }
    
    .posts-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
    
    .post-content {
        padding: 15px;
    }
    
    .post-meta {
        flex-direction: column;
        gap: 8px;
    }
    
    .post-meta span {
        font-size: 13px;
    }
}

/* 移动设备 (576px) */
@media (max-width: 576px) {
    .hero-section {
        height: 35vh;
        min-height: 400px;
        max-height: 500px;
        padding-bottom: 15px;
    }
    
    .hero-title {
        font-size: 2rem;
        margin-bottom: 0.8rem;
    }
    
    .hero-title span {
        display: inline;
        margin-left: 5px;
        margin-top: 0;
    }
    
    .hero-description {
        font-size: 1.1rem;
        margin-bottom: 1.5rem;
    }
    
    .hero-container {
        margin-top: -20px;
    }
    
    .hero-buttons {
        gap: 12px;
        margin-top: 12px;
        justify-content: center;
    }
    
    .hero-btn {
        width: 150px;
        min-width: 150px;
        height: 44px;
        font-size: 0.95rem;
        padding: 0 20px;
        flex: 1 0 auto;
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 6px;
    }
    
    .hero-scroll-indicator {
        bottom: 20px;
    }
    
    /* 分类导航移动端优化 */
    .categories-section {
        padding: 20px 0;
        box-shadow: 0 -5px 15px rgba(0, 0, 0, 0.03);
    }
    
    .categories-wrapper {
        padding: 5px 0;
        gap: 8px;
    }
    
    .category-item {
        min-width: 90px;
    }
    
    .category-link {
        padding: 10px 5px;
    }
    
    .category-icon {
        width: 50px;
        height: 50px;
        margin-bottom: 8px;
    }
    
    .category-icon svg {
        width: 20px;
        height: 20px;
    }
    
    .category-name {
        font-size: 0.85rem;
    }
    
    /* 移动端查看更多按钮样式 */
    .view-more-container {
        margin-bottom: 20px;
    }
    
    .view-more-btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }
}

/* 手机设备 (480px) */
@media (max-width: 480px) {
    .content-area {
        padding: 0 10px;
    }
    
    .header-container {
        padding: 8px 10px;
    }
    
    .site-logo {
        font-size: 18px;
    }
    
    .main-navigation ul {
        flex-direction: column;
        gap: 10px;
        width: 100%;
    }
    
    .main-navigation a {
        display: block;
        text-align: center;
        padding: 8px 15px;
        font-size: var(--pic-font-size-sm);
    }
    
    .user-area {
        width: 100%;
        margin-top: 10px;
    }
    
    .posts-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }
    
    .post-content {
        padding: 12px;
    }
    
    .post-title {
        font-size: 16px;
    }
    
    .post-footer {
        flex-direction: column;
        gap: 10px;
        align-items: flex-start;
    }
    
    .widget {
        padding: var(--pic-space-md);
        margin-bottom: var(--pic-space-md);
    }
    
    .modal-content {
        width: 95%;
        margin: 5% auto;
        padding: 15px;
    }
    
    .modal-body {
        padding: 10px 0;
    }
    
    .form-group input {
        padding: 12px;
        font-size: 16px;
    }
    
    .btn-block {
        padding: 12px;
        font-size: 16px;
    }
    
    .user-dropdown {
        min-width: 240px;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-social {
        justify-content: center;
    }
    
    .floating-back-to-top {
        bottom: var(--pic-space-lg);
        right: var(--pic-space-lg);
    }
    
    .floating-btn {
        width: 44px;
        height: 44px;
    }
    
    .card-price-tag .price {
        font-size: 11px;
        padding: 2px 6px;
    }
    
    .hero h1 {
        font-size: var(--pic-font-size-xl);
    }

    .work-info {
        padding: 5px 10px;
    }
    
    .work-title {
        font-size: var(--pic-font-size-sm);
        height: 40px;
    }
    
    .work-price {
        font-size: var(--pic-font-size-base);
    }
    
    .work-size {
        font-size: 0.7rem;
    }
    
    /* 超小屏幕分类导航优化 */
    .categories-section {
        padding: 15px 0;
    }
    
    .category-item {
        min-width: 80px;
    }
    
    .category-icon {
        width: 46px;
        height: 46px;
        margin-bottom: 6px;
    }
    
    .category-name {
        font-size: 0.8rem;
    }
    
    .pic-stats-cards {
        grid-template-columns: 1fr;
    }
    
    .chart-container {
        padding: 15px;
    }
    
    .chart-container canvas {
        height: 250px;
    }
    
    .error-title {
        font-size: 60px;
    }
    
    .category-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-info {
        flex-direction: column;
        gap: var(--pic-space-md);
    }
    
    .user-content-card {
        padding: var(--pic-space-md);
    }
    
    .content-title,
    .section-title {
        font-size: var(--pic-font-size-xl);
    }
    
    .user-content-section {
        padding-left: 0;
    }
    
    .section-icon {
        position: static;
        margin-bottom: var(--pic-space-sm);
    }
    
    .auth-container {
        padding: var(--pic-space-xl) var(--pic-space-md) var(--pic-space-md);
    }
    
    .auth-icon {
        width: 40px;
        height: 40px;
    }
    
    .auth-header h3 {
        font-size: var(--pic-font-size-lg);
    }
    
    .forgot-link {
        margin-top: var(--pic-space-xs);
    }
    
    .social-buttons {
        flex-direction: column;
        gap: var(--pic-space-sm);
    }
    
    .auth-form .btn {
        padding: var(--pic-space-sm) var(--pic-space-md);
    }
    
    .pagination {
        gap: 4px;
    }
    
    .page-btn {
        min-width: 32px;
        height: 32px;
        padding: 0 8px;
        font-size: 0.8rem;
    }
    
    .page-btn.prev,
    .page-btn.next {
        min-width: 32px;
    }
    
    /* 隐藏省略号按钮，节省空间 */
    .page-btn.dots {
        min-width: 20px;
    }
    
    .suggestion-tags {
        justify-content: center;
    }
}

/* 超小屏幕设备 (320px) */
@media (max-width: 320px) {
    .posts-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
    }
    
    .site-logo {
        font-size: 16px;
    }
    
    .post-title {
        font-size: 15px;
        line-height: 1.4;
    }
}

/* 横屏优化 */
@media (max-height: 500px) and (orientation: landscape) {
    .modal-content {
        max-height: 90vh;
        overflow-y: auto;
    }
    
    .site-header {
        position: static;
    }
}

/* 打印样式 */
@media print {
    .site-header,
    .site-footer,
    .modal,
    .post-share,
    .post-navigation {
        display: none !important;
    }
    
    .content-area {
        max-width: none;
        padding: 0;
    }
    
    .post-content {
        padding: 0;
    }
    
    .post-card {
        break-inside: avoid;
        box-shadow: none !important;
        border: 1px solid #ddd !important;
    }
    
    a {
        color: #000 !important;
        text-decoration: none !important;
    }
    
    .post-title {
        color: #000 !important;
    }
}

/* ===== 标签云页面 ===== */
.tags-page {
    padding: var(--pic-space-lg) 0;
}

.tags-header {
    text-align: center;
    margin-bottom: var(--pic-space-xl);
}

.tags-title {
    font-size: var(--pic-font-size-2xl);
    font-weight: 700;
    color: var(--pic-text);
    margin-bottom: var(--pic-space-sm);
}

.tags-subtitle {
    font-size: var(--pic-font-size-md);
    color: var(--pic-text-light);
}

.tags-filter {
    margin-bottom: var(--pic-space-lg);
    background-color: var(--pic-bg-white);
    border-radius: var(--pic-radius-md);
    padding: var(--pic-space-md);
    box-shadow: var(--pic-shadow-sm);
}

.filter-header {
    margin-bottom: var(--pic-space-md);
}

.filter-header h3 {
    font-size: var(--pic-font-size-md);
    margin-bottom: var(--pic-space-sm);
    color: var(--pic-text);
}

.filter-options {
    display: flex;
    flex-wrap: wrap;
    gap: var(--pic-space-xs);
}

.filter-item {
    padding: var(--pic-space-xs) var(--pic-space-sm);
    border-radius: var(--pic-radius-sm);
    background-color: var(--pic-bg-light);
    color: var(--pic-text-light);
    font-size: var(--pic-font-size-sm);
    transition: all var(--pic-transition);
}

.filter-item:hover {
    background-color: var(--pic-bg-hover);
    color: var(--pic-text);
}

.filter-item.active {
    background-color: var(--pic-primary);
    color: var(--pic-text-white);
}

.tags-cloud {
    margin-bottom: var(--pic-space-xl);
}

.tag-group {
    margin-bottom: var(--pic-space-lg);
    padding: var(--pic-space-md);
    background-color: var(--pic-bg-white);
    border-radius: var(--pic-radius-md);
    box-shadow: var(--pic-shadow-sm);
}

.letter-heading {
    font-size: var(--pic-font-size-lg);
    color: var(--pic-primary);
    padding-bottom: var(--pic-space-sm);
    border-bottom: 1px solid var(--pic-border-light);
}


.tag-list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--pic-space-sm);
    margin-top: 5px;
    white-space: nowrap;
    overflow: hidden;
}

.tag-list .tag {
    font-size: 12px;
    padding: 2px 6px;
    border-radius: 3px;
    background-color: #f0f5ff;
    color: var(--pic-primary);
    margin-bottom: 4px;
    display: inline-block;
}

.tag-item {
    display: inline-flex;
    align-items: center;
    padding: var(--pic-space-xs) var(--pic-space-sm);
    border-radius: var(--pic-radius-full);
    background-color: var(--pic-bg-light);
    color: var(--pic-text);
    font-size: var(--pic-font-size-sm);
    transition: all var(--pic-transition);
    border: 1px solid var(--pic-border-light);
}

.tag-item:hover {
    background-color: var(--pic-primary-light);
    border-color: var(--pic-primary);
    transform: translateY(-2px);
    box-shadow: var(--pic-shadow-sm);
}

.tag-name {
    margin-right: var(--pic-space-xs);
}

.tag-count {
    background-color: rgba(0, 0, 0, 0.1);
    border-radius: var(--pic-radius-full);
    padding: 2px 6px;
    font-size: var(--pic-font-size-xs);
    color: var(--pic-text-light);
}

/* 标签大小类别 */
.tag-sm { font-size: var(--pic-font-size-xs); }
.tag-md { font-size: var(--pic-font-size-sm); }
.tag-lg { font-size: var(--pic-font-size-base); font-weight: 500; }
.tag-xl { font-size: var(--pic-font-size-md); font-weight: 700; }

.no-tags {
    padding: var(--pic-space-lg);
    text-align: center;
    color: var(--pic-text-muted);
    background-color: var(--pic-bg-light);
    border-radius: var(--pic-radius-md);
}

.tags-popular-section {
    background-color: var(--pic-bg-white);
    border-radius: var(--pic-radius-md);
    padding: var(--pic-space-lg);
    box-shadow: var(--pic-shadow-sm);
    margin-bottom: var(--pic-space-xl);
}

.tags-popular-section h2 {
    font-size: var(--pic-font-size-lg);
    margin-bottom: var(--pic-space-md);
    color: var(--pic-text);
    position: relative;
    padding-left: var(--pic-space-md);
}

.tags-popular-section h2::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 20px;
    background: var(--pic-primary);
    border-radius: var(--pic-radius-sm);
}

.popular-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--pic-space-sm);
}

.popular-tag-item {
    display: inline-flex;
    align-items: center;
    padding: var(--pic-space-sm) var(--pic-space-md);
    border-radius: var(--pic-radius-md);
    background-color: var(--pic-bg-light);
    color: var(--pic-text);
    font-size: var(--pic-font-size-base);
    font-weight: 500;
    transition: all var(--pic-transition);
    border: 1px solid var(--pic-border-light);
}

.popular-tag-item:hover {
    background-color: var(--pic-primary);
    color: var(--pic-text-white);
    transform: translateY(-2px);
    box-shadow: var(--pic-shadow-sm);
}

.popular-tag-item .tag-count {
    margin-left: var(--pic-space-sm);
    background-color: rgba(255, 255, 255, 0.2);
    color: inherit;
    opacity: 0.8;
}

.popular-tag-item:hover .tag-count {
    background-color: rgba(255, 255, 255, 0.3);
    color: var(--pic-text-white);
}

/* 标签统计部分 */
.tags-stats-section {
    background-color: var(--pic-bg-white);
    border-radius: var(--pic-radius-md);
    padding: var(--pic-space-lg);
    box-shadow: var(--pic-shadow-sm);
    margin-bottom: var(--pic-space-xl);
}

.tags-stats-section h2 {
    font-size: var(--pic-font-size-lg);
    margin-bottom: var(--pic-space-md);
    color: var(--pic-text);
    position: relative;
    padding-left: var(--pic-space-md);
}

.tags-stats-section h2::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 20px;
    background: var(--pic-primary);
    border-radius: var(--pic-radius-sm);
}

.tags-stats p {
    margin-bottom: var(--pic-space-md);
    color: var(--pic-text);
}

.letter-stats {
    display: flex;
    flex-wrap: wrap;
    gap: var(--pic-space-sm);
}

.stat-item {
    display: inline-flex;
    align-items: center;
    padding: var(--pic-space-xs) var(--pic-space-sm);
    background-color: var(--pic-bg-light);
    border-radius: var(--pic-radius-sm);
    border: 1px solid var(--pic-border-light);
}

.stat-letter {
    font-weight: 600;
    color: var(--pic-primary);
    margin-right: var(--pic-space-xs);
}

.stat-count {
    color: var(--pic-text-light);
    font-size: var(--pic-font-size-sm);
}

/* 无筛选结果提示 */
.no-filter-results {
    text-align: center;
    padding: var(--pic-space-xl);
    color: var(--pic-text-muted);
}

.no-filter-results p {
    font-size: var(--pic-font-size-md);
}

/* ===== 响应式样式 ===== */
@media (max-width: 768px) {
    .tags-filter {
        padding: var(--pic-space-sm);
    }
    
    .filter-options {
        overflow-x: auto;
        padding-bottom: var(--pic-space-sm);
        flex-wrap: nowrap;
    }
    
    .filter-item {
        white-space: nowrap;
    }
    
    .tag-group {
        padding: var(--pic-space-sm);
    }
    
    .tags-popular-section,
    .tags-stats-section {
        padding: var(--pic-space-md);
    }
    
    .popular-tag-item {
        padding: var(--pic-space-xs) var(--pic-space-sm);
    }
    
    .letter-stats {
        gap: var(--pic-space-xs);
    }
    
    .stat-item {
        padding: 4px 8px;
        font-size: var(--pic-font-size-sm);
    }
}

@media (max-width: 576px) {
    .tags-title {
        font-size: var(--pic-font-size-xl);
    }
    
    .tags-subtitle {
        font-size: var(--pic-font-size-base);
    }
    
    .letter-heading {
        font-size: var(--pic-font-size-md);
    }
    
    .tags-stats-section h2 {
        font-size: var(--pic-font-size-md);
    }
}