/**
 * Corporate Theme - Main Stylesheet
 * 企业主题 - 主样式表
 * @package Corporate_Theme
 */

/* ==========================================================================
   CSS Variables
   ========================================================================== */
:root {
    --primary-color: #0066cc;
    --secondary-color: #ff6600;
    --text-color: #333333;
    --text-light: #666666;
    --border-color: #e0e0e0;
    --bg-light: #f8f9fa;
    --white: #ffffff;
    --shadow: 0 2px 10px rgba(0,0,0,0.1);
    --shadow-hover: 0 4px 20px rgba(0,0,0,0.15);
    --transition: all 0.3s ease;
}

/* ==========================================================================
   Base Styles
   ========================================================================== */
* {
    box-sizing: border-box;
}

body {
    margin: 0;
    padding: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji";
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-color);
    background: var(--white);
}

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

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

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

/* ==========================================================================
   Typography
   ========================================================================== */
h1, h2, h3, h4, h5, h6 {
    margin-top: 0;
    margin-bottom: 1rem;
    font-weight: 600;
    line-height: 1.2;
    color: var(--text-color);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

p {
    margin-top: 0;
    margin-bottom: 1rem;
}

/* ==========================================================================
   Layout
   ========================================================================== */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 30px;
}

.site {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.site-main {
    flex: 1;
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.site-header {
    background: var(--white);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.site-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 1rem;
    padding-bottom: 1rem;
}

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

.site-title {
    margin: 0;
    font-size: 1.5rem;
}

.site-title a {
    color: var(--text-color);
}

.site-description {
    margin: 0;
    font-size: 0.875rem;
    color: var(--text-light);
}

.main-navigation {
    display: flex;
    align-items: center;
    gap: 3rem; /* 在导航菜单和语言切换器之间添加间距 */
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem;
}

.primary-menu-container ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    gap: 2.5rem;
}

.primary-menu-container li {
    position: relative;
}

.primary-menu-container a {
    color: var(--text-color);
    font-weight: 500;
    padding: 0.5rem 0;
    display: block;
}

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

/* ==========================================================================
   Header Actions - 导航栏操作区域（搜索、语言、按钮）
   ========================================================================== */
.header-actions {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    margin-left: auto;
}

/* 搜索框样式 */
.header-search-form {
    position: relative;
}

.header-search-form .search-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.header-search-form .search-icon {
    position: absolute;
    left: 0.875rem;
    color: #999;
    pointer-events: none;
    z-index: 1;
}

.header-search-form .search-field {
    width: 200px;
    padding: 0.625rem 1rem 0.625rem 2.75rem;
    border: 1.5px solid #e0e0e0;
    border-radius: 24px;
    font-size: 0.875rem;
    color: #333;
    background: #f8f9fa;
    transition: all 0.3s ease;
}

.header-search-form .search-field:focus {
    outline: none;
    width: 280px;
    background: #fff;
    border-color: var(--primary-color);
    box-shadow: 0 2px 12px rgba(30, 136, 229, 0.15);
}

.header-search-form .search-field::placeholder {
    color: #999;
}

/* 语言切换器（新样式 - 简洁图标风格） */
.header-language-switcher {
    position: relative;
}

.language-toggle {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.625rem 0.875rem;
    border: 1.5px solid #e0e0e0;
    border-radius: 8px;
    background: #fff;
    color: #666;
    font-size: 0.8125rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.25s ease;
}

.language-toggle:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    background: rgba(30, 136, 229, 0.04);
}

.language-toggle:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(30, 136, 229, 0.1);
}

.language-toggle .globe-icon {
    color: currentColor;
    flex-shrink: 0;
}

.language-toggle .current-lang {
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 600;
}

.language-toggle .chevron-icon {
    color: currentColor;
    transition: transform 0.2s;
    margin-left: -0.125rem;
}

.language-toggle[aria-expanded="true"] .chevron-icon {
    transform: rotate(180deg);
}

.language-menu {
    position: absolute;
    top: calc(100% + 0.5rem);
    right: 0;
    min-width: 160px;
    background: #fff;
    border: 1.5px solid #e0e0e0;
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
    list-style: none;
    margin: 0;
    padding: 0.5rem;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: all 0.25s ease;
    z-index: 1000;
}

.language-toggle[aria-expanded="true"] + .language-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.language-menu li {
    margin: 0;
    padding: 0;
}

.language-menu a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    padding: 0.625rem 0.875rem;
    color: #333;
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.2s ease;
}

.language-menu a:hover {
    background: rgba(30, 136, 229, 0.08);
    color: var(--primary-color);
}

.language-menu .current-lang a {
    background: rgba(30, 136, 229, 0.12);
    color: var(--primary-color);
    font-weight: 600;
}

.language-menu .lang-code {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: currentColor;
    min-width: 24px;
}

.language-menu .lang-name {
    flex: 1;
    font-size: 0.875rem;
}

.language-menu .check-icon {
    color: var(--primary-color);
    flex-shrink: 0;
    stroke: currentColor;
    stroke-width: 2;
    fill: none;
}

/* 获取报价按钮 */
.btn-get-quote {
    display: inline-flex;
    align-items: center;
    padding: 0.75rem 1.5rem;
    background: linear-gradient(135deg, #ff6b35 0%, #ff8c42 100%);
    color: #fff;
    font-size: 0.9375rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: 24px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(255, 107, 53, 0.25);
    white-space: nowrap;
}

.btn-get-quote:hover {
    background: linear-gradient(135deg, #ff5722 0%, #ff7043 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 107, 53, 0.35);
    color: #fff;
}

.btn-get-quote:active {
    transform: translateY(0);
    box-shadow: 0 2px 8px rgba(255, 107, 53, 0.3);
}

/* 移动端优化 */
@media (max-width: 1024px) {
    .header-actions {
        gap: 0.75rem;
    }
    
    .header-search-form .search-field {
        width: 160px;
    }
    
    .header-search-form .search-field:focus {
        width: 220px;
    }
    
    .btn-get-quote {
        padding: 0.625rem 1.25rem;
        font-size: 0.875rem;
    }
}

@media (max-width: 768px) {
    .header-actions {
        flex-direction: column;
        width: 100%;
        gap: 0.75rem;
        margin-top: 1rem;
    }
    
    .header-search-form {
        width: 100%;
    }
    
    .header-search-form .search-field {
        width: 100%;
    }
    
    .header-search-form .search-field:focus {
        width: 100%;
    }
    
    .header-language-switcher {
        width: 100%;
    }
    
    .language-toggle {
        width: 100%;
        justify-content: space-between;
    }
    
    .language-menu {
        left: 0;
        right: 0;
        width: 100%;
    }
    
    .btn-get-quote {
        width: 100%;
        justify-content: center;
        padding: 0.875rem 1.5rem;
    }
}

/* ==========================================================================
   Header Language Switcher - 导航栏语言切换器（旧版 - 保留兼容性）
   ========================================================================== */
.header-language-switcher-old {
    display: flex;
    align-items: center;
    margin-left: auto; /* 推到导航栏最右侧 */
    position: relative;
}

.language-dropdown {
    position: relative;
}

.language-dropdown-toggle {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border: 2px solid var(--border-color);
    border-radius: 4px;
    background: var(--white);
    color: var(--text-color);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

.language-dropdown-toggle:hover {
    border-color: var(--primary-color);
    box-shadow: 0 2px 8px rgba(25, 118, 210, 0.15);
}

.language-dropdown-toggle:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(25, 118, 210, 0.1);
}

.language-dropdown-toggle .lang-flag {
    width: 20px;
    height: 15px;
    object-fit: cover;
    border-radius: 2px;
}

.language-dropdown-toggle .dropdown-arrow {
    margin-left: 0.25rem;
    transition: transform 0.2s;
}

.language-dropdown-toggle[aria-expanded="true"] .dropdown-arrow {
    transform: rotate(180deg);
}

.language-dropdown-menu {
    position: absolute;
    top: calc(100% + 0.5rem);
    right: 0;
    min-width: 160px;
    background: var(--white);
    border: 2px solid var(--border-color);
    border-radius: 4px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    list-style: none;
    margin: 0;
    padding: 0.5rem 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.2s ease;
    z-index: 1000;
}

.language-dropdown-toggle[aria-expanded="true"] + .language-dropdown-menu {
    opacity: 1 !important;
    visibility: visible !important;
    transform: translateY(0) !important;
}

.language-dropdown-menu li {
    margin: 0;
    padding: 0;
}

.language-dropdown-menu a {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.625rem 1rem;
    color: var(--text-color);
    text-decoration: none;
    transition: var(--transition);
}

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

.language-dropdown-menu .current-lang a {
    background: var(--bg-light);
    color: var(--primary-color);
    font-weight: 600;
}

.language-dropdown-menu .lang-flag {
    width: 20px;
    height: 15px;
    object-fit: cover;
    border-radius: 2px;
    flex-shrink: 0;
}

.language-dropdown-menu .lang-name {
    flex: 1;
}

/* 移动端优化 */
@media (max-width: 768px) {
    .header-language-switcher {
        margin-left: 0;
        margin-top: 1rem;
        width: 100%;
    }
    
    .language-dropdown {
        width: 100%;
    }
    
    .language-dropdown-toggle {
        width: 100%;
        justify-content: space-between;
        padding: 0.75rem 1rem;
        font-size: 1rem;
    }
    
    .language-dropdown-menu {
        position: static;
        width: 100%;
        margin-top: 0.5rem;
        box-shadow: none;
        border: 1px solid var(--border-color);
    }
    
    .language-dropdown-toggle[aria-expanded="true"] + .language-dropdown-menu {
        transform: none;
    }
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    font-weight: 500;
    text-align: center;
    border-radius: 4px;
    transition: var(--transition);
    cursor: pointer;
    border: 2px solid transparent;
}

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

.btn-primary:hover {
    background: #0052a3;
    color: var(--white);
}

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

.btn-secondary:hover {
    background: #e55a00;
    color: var(--white);
}

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

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

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero-section {
    position: relative;
    background: linear-gradient(135deg, var(--primary-color) 0%, #0052a3 100%);
    color: var(--white);
    padding: 6rem 0;
    text-align: center;
    min-height: 500px;
    display: flex;
    align-items: center;
    /* 支持背景图片 */
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

/* 当有背景图片时，增强遮罩效果 */
.hero-section.has-background-image .hero-overlay {
    background: rgba(0, 0, 0, 0.5);
}

/* 视频背景容器 */
.hero-video-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 0;
}

.hero-video-background video {
    position: absolute;
    top: 50%;
    left: 50%;
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    transform: translate(-50%, -50%);
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.1);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero-title {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: var(--white);
}

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

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* ==========================================================================
   Sections
   ========================================================================== */
section {
    padding: 4rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.section-divider {
    width: 60px;
    height: 3px;
    background: var(--primary-color);
    margin: 1rem auto;
}

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

.section-footer {
    text-align: center;
    margin-top: 3rem;
}

/* ==========================================================================
   Company Intro
   ========================================================================== */
.company-intro {
    background: var(--bg-light);
}

.intro-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.intro-text {
    font-size: 1.125rem;
    line-height: 1.8;
}

.intro-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.stat-item {
    text-align: center;
    padding: 2rem;
    background: var(--white);
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-light);
}

/* ==========================================================================
   Business Areas
   ========================================================================== */
.business-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.business-item {
    text-align: center;
    padding: 2rem;
    background: var(--white);
    border-radius: 8px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.business-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.business-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-light);
}

.business-icon-placeholder {
    font-size: 2.5rem;
    color: var(--primary-color);
}

.business-title {
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.business-title a {
    color: var(--text-color);
}

.business-description {
    color: var(--text-light);
    margin-bottom: 1rem;
}

.business-link {
    color: var(--primary-color);
    font-weight: 500;
}

/* ==========================================================================
   Products Grid
   ========================================================================== */
.products-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.product-card {
    background: var(--white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow);
    /* 移除 transition，由 enhancements.css 统一管理 */
}

/* 移除 hover transform，避免与 enhancements.css 冲突 */
/* .product-card:hover 样式已移至 enhancements.css */

.product-image {
    position: relative;
    padding-top: 75%;
    overflow: hidden;
    background: var(--bg-light);
}

.product-image img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.product-image-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: var(--primary-color);
}

.product-content {
    padding: 1.5rem;
}

.product-title {
    font-size: 1.125rem;
    margin-bottom: 0.75rem;
}

.product-title a {
    color: var(--text-color);
}

.product-excerpt {
    color: var(--text-light);
    font-size: 0.875rem;
    margin-bottom: 1rem;
}

.product-link {
    color: var(--primary-color);
    font-weight: 500;
}

/* ==========================================================================
   News Grid
   ========================================================================== */
.news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.news-card {
    background: var(--white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow);
    /* 移除 transition，由 enhancements.css 统一管理 */
}

/* 移除 hover transform，避免与 enhancements.css 冲突 */
/* .news-card:hover 样式已移至 enhancements.css */

.news-image {
    position: relative;
    padding-top: 56.25%;
    overflow: hidden;
    background: var(--bg-light);
}

.news-image img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.news-content {
    padding: 1.5rem;
}

.news-meta {
    display: flex;
    gap: 1rem;
    margin-bottom: 0.75rem;
    font-size: 0.875rem;
    color: var(--text-light);
}

.news-category {
    color: var(--primary-color);
}

.news-title {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

.news-title a {
    color: var(--text-color);
}

.news-excerpt {
    color: var(--text-light);
    margin-bottom: 1rem;
}

.news-link {
    color: var(--primary-color);
    font-weight: 500;
}

/* ==========================================================================
   Page Header
   ========================================================================== */
.page-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, #0052a3 100%);
    color: var(--white);
    padding: 3rem 0;
    text-align: center;
}

.page-title {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    color: var(--white);
}

.page-description {
    font-size: 1.125rem;
    opacity: 0.9;
}

/* ==========================================================================
   Archive Layout
   ========================================================================== */
.archive-layout {
    display: grid;
    grid-template-columns: 250px 1fr;
    gap: 3rem;
    margin-top: 3rem;
}

.archive-sidebar {
    position: sticky;
    top: 100px;
    height: fit-content;
}

.sidebar-widget {
    background: var(--white);
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: var(--shadow);
    margin-bottom: 2rem;
}

.widget-title {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid var(--border-color);
}

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

.product-categories li {
    margin-bottom: 0.5rem;
}

.product-categories a {
    display: flex;
    justify-content: space-between;
    padding: 0.5rem;
    border-radius: 4px;
    color: var(--text-color);
}

.product-categories a:hover,
.product-categories .current a {
    background: var(--bg-light);
    color: var(--primary-color);
}

.product-categories .count {
    color: var(--text-light);
    font-size: 0.875rem;
}

/* ==========================================================================
   Product Categories Badge
   ========================================================================== */
.product-categories {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.product-category-badge,
.category-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: var(--bg-light);
    color: var(--primary-color);
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 500;
}

/* ==========================================================================
   Single Product
   ========================================================================== */
.product-hero {
    padding: 3rem 0;
    background: var(--bg-light);
}

.product-hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: start;
}

.breadcrumb {
    font-size: 0.875rem;
    margin-bottom: 1rem;
    color: var(--text-light);
}

.breadcrumb a {
    color: var(--text-light);
}

.breadcrumb .separator {
    margin: 0 0.5rem;
}

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

.product-actions {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

.product-tabs {
    margin-top: 3rem;
}

.tabs-nav {
    display: flex;
    list-style: none;
    padding: 0;
    margin: 0 0 2rem 0;
    border-bottom: 2px solid var(--border-color);
}

.tabs-nav li {
    margin-right: 2rem;
}

.tabs-nav a {
    display: block;
    padding: 1rem 0;
    color: var(--text-color);
    font-weight: 500;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
}

.tabs-nav li.active a,
.tabs-nav a:hover {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.tab-pane {
    display: none;
}

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

.related-products {
    padding: 4rem 0;
    background: var(--bg-light);
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
    background: #2c3e50;
    color: var(--white);
    margin-top: 4rem;
}

/* 主要页脚内容 */
.footer-main {
    padding: 4rem 0 2rem;
}

.footer-widgets {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 3rem;
    margin-bottom: 0;
}

.footer-widget-area {
    color: rgba(255,255,255,0.8);
}

.footer-widget-title {
    color: var(--white);
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid rgba(255,255,255,0.1);
}

/* 公司信息栏 */
.footer-about-content {
    margin-bottom: 1.5rem;
    line-height: 1.8;
    font-size: 0.9375rem;
}

.footer-about-content p {
    margin-bottom: 0.75rem;
}

/* 社交媒体图标 */
.footer-social {
    display: flex;
    gap: 0.75rem;
    margin-top: 1.5rem;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
    color: var(--white);
    transition: var(--transition);
}

.social-link:hover {
    background: var(--primary-color);
    color: var(--white);
    transform: translateY(-3px);
}

.social-link .dashicons {
    font-size: 18px;
    width: 18px;
    height: 18px;
}

/* 快速链接 */
.footer-links .footer-menu {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links .footer-menu li {
    margin-bottom: 0.75rem;
}

.footer-links .footer-menu a {
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    transition: var(--transition);
    display: inline-block;
}

.footer-links .footer-menu a:hover {
    color: var(--white);
    padding-left: 5px;
}

/* 联系信息 */
.footer-contact-list {
    list-style: none;
    padding: 0;
    margin: 0 0 1.5rem 0;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    margin-bottom: 1rem;
    color: rgba(255,255,255,0.8);
    line-height: 1.6;
}

.contact-item .dashicons {
    font-size: 18px;
    width: 18px;
    height: 18px;
    margin-top: 2px;
    color: var(--primary-color);
    flex-shrink: 0;
}

.contact-item a {
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    transition: var(--transition);
}

.contact-item a:hover {
    color: var(--white);
}

.btn-footer-contact {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    background: var(--primary-color);
    color: var(--white);
    text-decoration: none;
    border-radius: 4px;
    font-weight: 500;
    transition: var(--transition);
    margin-top: 0.5rem;
}

.btn-footer-contact:hover {
    background: #0052a3;
    color: var(--white);
    transform: translateY(-2px);
}

/* 页脚底部 */
.footer-bottom {
    background: #1a252f;
    padding: 1.5rem 0;
    border-top: 1px solid rgba(255,255,255,0.1);
}

.footer-bottom-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.site-info {
    color: rgba(255,255,255,0.6);
    font-size: 0.875rem;
    margin: 0;
}

.site-info p {
    margin: 0;
}

.site-info a {
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    transition: var(--transition);
}

.site-info a:hover {
    color: var(--white);
}

.footer-bottom-navigation ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    gap: 1.5rem;
}

.footer-bottom-navigation a {
    color: rgba(255,255,255,0.6);
    text-decoration: none;
    font-size: 0.875rem;
    transition: var(--transition);
}

.footer-bottom-navigation a:hover {
    color: var(--white);
}

.footer-icp {
    font-size: 0.875rem;
}

.footer-icp a {
    color: rgba(255,255,255,0.6);
    text-decoration: none;
    transition: var(--transition);
}

.footer-icp a:hover {
    color: var(--white);
}

/* 页脚响应式 */
@media (max-width: 1024px) {
    .footer-widgets {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-about {
        grid-column: 1 / -1;
    }
}

@media (max-width: 768px) {
    .footer-main {
        padding: 3rem 0 1.5rem;
    }
    
    .footer-widgets {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .footer-about {
        grid-column: auto;
    }
    
    .footer-bottom-content {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-bottom-navigation ul {
        flex-direction: column;
        gap: 0.75rem;
    }
}

/* ==========================================================================
   Pagination
   ========================================================================== */
.pagination {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 3rem;
}

.pagination .page-numbers {
    padding: 0.5rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-color);
}

.pagination .page-numbers:hover,
.pagination .page-numbers.current {
    background: var(--primary-color);
    color: var(--white);
    border-color: var(--primary-color);
}

/* ==========================================================================
   Utility Classes
   ========================================================================== */
.screen-reader-text {
    clip: rect(1px, 1px, 1px, 1px);
    position: absolute !important;
    height: 1px;
    width: 1px;
    overflow: hidden;
}

.dashicons {
    width: 1em;
    height: 1em;
    font-size: inherit;
}

/* ============================================================================
   SINGLE SOLUTION STYLES
   ============================================================================ */

.single-solution .solution-hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    padding: 60px 0 40px;
}

.single-solution .solution-title {
    font-size: 2.5rem;
    margin: 20px 0;
    color: #fff;
}

.single-solution .solution-industries {
    margin-top: 15px;
}

.single-solution .industry-badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.2);
    color: #fff;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.9rem;
    margin-right: 10px;
    text-decoration: none;
    transition: background 0.3s ease;
}

.single-solution .industry-badge:hover {
    background: rgba(255, 255, 255, 0.3);
}

.single-solution .solution-featured-image {
    margin: 40px 0;
}

.single-solution .solution-featured-image img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.single-solution .solution-content {
    padding: 40px 0;
}

.single-solution .solution-section {
    margin-bottom: 50px;
}

.single-solution .solution-section h2 {
    font-size: 2rem;
    margin-bottom: 25px;
    color: #2c3e50;
    border-bottom: 3px solid #3498db;
    padding-bottom: 10px;
}

.single-solution .solution-scenarios,
.single-solution .solution-cases {
    background: #f8f9fa;
    padding: 30px;
    border-radius: 8px;
    line-height: 1.8;
}

.single-solution .benefits-list {
    list-style: none;
    padding: 0;
}

.single-solution .benefits-list li {
    padding: 15px 20px;
    margin-bottom: 15px;
    background: #fff;
    border-left: 4px solid #3498db;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    border-radius: 4px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.single-solution .benefits-list li:hover {
    transform: translateX(5px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.single-solution .solution-cta {
    text-align: center;
    padding: 60px 30px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    border-radius: 8px;
    margin-top: 50px;
}

.single-solution .solution-cta h3 {
    font-size: 2rem;
    margin-bottom: 15px;
    color: #fff;
}

.single-solution .solution-cta p {
    font-size: 1.1rem;
    margin-bottom: 30px;
    opacity: 0.9;
}

.single-solution .solution-cta .btn {
    background: #fff;
    color: #667eea;
    padding: 15px 40px;
    font-size: 1.1rem;
}

.single-solution .solution-cta .btn:hover {
    background: #f8f9fa;
    transform: translateY(-2px);
}

/* ============================================================================
   TEMPLATE PARTS - CONTENT CARDS
   ============================================================================ */

/* Product Card Enhancements */
.product-card .product-category-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background: rgba(52, 152, 219, 0.9);
    color: #fff;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
}

.product-card .product-features-list {
    list-style: none;
    padding: 0;
    margin: 15px 0;
}

.product-card .product-features-list li {
    padding: 5px 0 5px 20px;
    position: relative;
    font-size: 0.9rem;
    color: #666;
}

.product-card .product-features-list li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #27ae60;
    font-weight: bold;
}

/* Solution Card Enhancements */
.solution-card {
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.1);
    /* 移除 transition，由 enhancements.css 统一管理 */
    height: 100%;
    display: flex;
    flex-direction: column;
}

/* 移除 hover transform，避免与 enhancements.css 冲突 */
/* .solution-card:hover 样式已移至 enhancements.css */

.solution-card .solution-image {
    position: relative;
    overflow: hidden;
    height: 250px;
}

.solution-card .solution-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    /* 移除 transition，由 enhancements.css 统一管理 */
}

/* 移除图片 hover transform，避免与 enhancements.css 冲突 */
/* .solution-card:hover .solution-image img 样式已移至 enhancements.css */

.solution-card .solution-industry-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background: rgba(102, 126, 234, 0.9);
    color: #fff;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
}

.solution-card .solution-content {
    padding: 25px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.solution-card .solution-title {
    font-size: 1.4rem;
    margin-bottom: 15px;
}

.solution-card .solution-title a {
    color: #2c3e50;
    text-decoration: none;
    transition: color 0.3s ease;
}

.solution-card .solution-title a:hover {
    color: #667eea;
}

.solution-card .solution-excerpt {
    color: #666;
    line-height: 1.6;
    margin-bottom: 15px;
    flex: 1;
}

.solution-card .solution-benefits-list {
    list-style: none;
    padding: 0;
    margin: 15px 0;
}

.solution-card .solution-benefits-list li {
    padding: 5px 0 5px 20px;
    position: relative;
    font-size: 0.9rem;
    color: #666;
}

.solution-card .solution-benefits-list li:before {
    content: "★";
    position: absolute;
    left: 0;
    color: #f39c12;
    font-weight: bold;
}

.solution-card .solution-link {
    display: inline-block;
    color: #667eea;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    margin-top: auto;
}

.solution-card .solution-link:hover {
    color: #764ba2;
}

/* ============================================================================
   NEWS/BLOG ARCHIVE STYLES
   ============================================================================ */

.archive-news .page-header {
    background: linear-gradient(135deg, #3498db 0%, #2980b9 100%);
    color: #fff;
    padding: 60px 0 40px;
    text-align: center;
}

.archive-news .page-title {
    font-size: 2.5rem;
    margin: 0;
    color: #fff;
}

.archive-news .archive-description {
    margin-top: 15px;
    font-size: 1.1rem;
    opacity: 0.9;
}

.archive-news .archive-content {
    padding: 60px 0;
}

.archive-news .content-area {
    flex: 1;
    max-width: 800px;
}

.archive-news .news-list {
    margin-bottom: 40px;
}

.archive-news .news-item {
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    margin-bottom: 30px;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.archive-news .news-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.archive-news .news-thumbnail {
    width: 100%;
    height: 300px;
    overflow: hidden;
}

.archive-news .news-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.archive-news .news-item:hover .news-thumbnail img {
    transform: scale(1.05);
}

.archive-news .news-content {
    padding: 30px;
}

.archive-news .news-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-bottom: 15px;
    font-size: 0.9rem;
    color: #666;
}

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

.archive-news .news-meta .dashicons {
    font-size: 18px;
    width: 18px;
    height: 18px;
}

.archive-news .news-meta a {
    color: #3498db;
    text-decoration: none;
}

.archive-news .news-meta a:hover {
    text-decoration: underline;
}

.archive-news .news-title {
    font-size: 1.8rem;
    margin-bottom: 15px;
}

.archive-news .news-title a {
    color: #2c3e50;
    text-decoration: none;
    transition: color 0.3s ease;
}

.archive-news .news-title a:hover {
    color: #3498db;
}

.archive-news .news-excerpt {
    color: #666;
    line-height: 1.8;
    margin-bottom: 20px;
}

.archive-news .read-more {
    display: inline-block;
    color: #3498db;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.archive-news .read-more:hover {
    color: #2980b9;
}

/* ============================================================================
   SINGLE POST STYLES
   ============================================================================ */

.single-post .post-header {
    background: linear-gradient(135deg, #3498db 0%, #2980b9 100%);
    color: #fff;
    padding: 60px 0 40px;
}

.single-post .post-title {
    font-size: 2.5rem;
    margin: 20px 0;
    color: #fff;
}

.single-post .post-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-top: 20px;
    font-size: 0.95rem;
}

.single-post .post-meta span {
    display: flex;
    align-items: center;
    gap: 5px;
    color: rgba(255, 255, 255, 0.9);
}

.single-post .post-meta .dashicons {
    font-size: 18px;
    width: 18px;
    height: 18px;
}

.single-post .post-meta a {
    color: #fff;
    text-decoration: none;
}

.single-post .post-meta a:hover {
    text-decoration: underline;
}

.single-post .post-featured-image {
    margin: 40px 0;
}

.single-post .post-featured-image img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.single-post .post-content-wrapper {
    padding: 40px 0;
}

.single-post .post-content-area {
    flex: 1;
    max-width: 800px;
}

.single-post .entry-content {
    line-height: 1.8;
    font-size: 1.05rem;
    color: #333;
}

.single-post .entry-content p {
    margin-bottom: 20px;
}

.single-post .entry-content h2,
.single-post .entry-content h3,
.single-post .entry-content h4 {
    margin-top: 30px;
    margin-bottom: 15px;
    color: #2c3e50;
}

.single-post .entry-content img {
    max-width: 100%;
    height: auto;
    border-radius: 4px;
}

.single-post .post-tags {
    margin: 40px 0;
    padding: 20px 0;
    border-top: 1px solid #e0e0e0;
    border-bottom: 1px solid #e0e0e0;
}

.single-post .post-tags .tag {
    display: inline-block;
    background: #f0f0f0;
    color: #666;
    padding: 5px 15px;
    border-radius: 20px;
    margin: 5px 5px 5px 0;
    text-decoration: none;
    font-size: 0.9rem;
    transition: background 0.3s ease;
}

.single-post .post-tags .tag:hover {
    background: #3498db;
    color: #fff;
}

.single-post .post-navigation {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin: 40px 0;
}

.single-post .post-navigation a {
    display: block;
    padding: 20px;
    background: #f8f9fa;
    border-radius: 8px;
    text-decoration: none;
    transition: background 0.3s ease;
}

.single-post .post-navigation a:hover {
    background: #e9ecef;
}

.single-post .post-navigation .nav-label {
    display: block;
    font-size: 0.9rem;
    color: #666;
    margin-bottom: 5px;
}

.single-post .post-navigation .nav-title {
    display: block;
    color: #2c3e50;
    font-weight: 500;
}

.single-post .post-navigation .nav-next {
    text-align: right;
}

.single-post .related-posts {
    margin: 60px 0;
    padding: 40px;
    background: #f8f9fa;
    border-radius: 8px;
}

.single-post .related-posts h3 {
    font-size: 1.8rem;
    margin-bottom: 30px;
    color: #2c3e50;
}

.single-post .related-posts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
}

.single-post .related-post-item {
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease;
}

.single-post .related-post-item:hover {
    transform: translateY(-3px);
}

.single-post .related-post-thumbnail {
    height: 150px;
    overflow: hidden;
}

.single-post .related-post-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.single-post .related-post-content {
    padding: 15px;
}

.single-post .related-post-date {
    display: block;
    font-size: 0.85rem;
    color: #999;
    margin-bottom: 8px;
}

.single-post .related-post-title {
    font-size: 1rem;
    margin: 0;
}

.single-post .related-post-title a {
    color: #2c3e50;
    text-decoration: none;
}

.single-post .related-post-title a:hover {
    color: #3498db;
}

/* News Card (Template Part) */
.news-card {
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    height: 100%;
    display: flex;
    flex-direction: column;
}

/* 移除 hover transform，避免与 enhancements.css 冲突 */
/* .news-card:hover 样式已移至 enhancements.css */

.news-card .news-thumbnail {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.news-card .news-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    /* 移除 transition，由 enhancements.css 统一管理 */
}

/* 移除图片 hover transform，避免与 enhancements.css 冲突 */
/* .news-card:hover .news-thumbnail img 样式已移至 enhancements.css */

.news-card .news-category-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background: rgba(52, 152, 219, 0.9);
    color: #fff;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
}

.news-card .news-content {
    padding: 20px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.news-card .news-meta {
    display: flex;
    gap: 15px;
    margin-bottom: 12px;
    font-size: 0.85rem;
    color: #999;
}

.news-card .news-meta span {
    display: flex;
    align-items: center;
    gap: 3px;
}

.news-card .news-meta .dashicons {
    font-size: 16px;
    width: 16px;
    height: 16px;
}

.news-card .news-title {
    font-size: 1.2rem;
    margin-bottom: 12px;
}

.news-card .news-title a {
    color: #2c3e50;
    text-decoration: none;
    transition: color 0.3s ease;
}

.news-card .news-title a:hover {
    color: #3498db;
}

.news-card .news-excerpt {
    color: #666;
    line-height: 1.6;
    margin-bottom: 15px;
    flex: 1;
}

.news-card .news-link {
    display: inline-block;
    color: #3498db;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    margin-top: auto;
}

.news-card .news-link:hover {
    color: #2980b9;
}

/* ============================================================================
   ABOUT PAGE STYLES
   ============================================================================ */

.page-about .page-hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    padding: 80px 0 60px;
    text-align: center;
}

.page-about .page-title {
    font-size: 3rem;
    margin: 0 0 20px;
    color: #fff;
}

.page-about .page-subtitle {
    font-size: 1.3rem;
    opacity: 0.9;
    max-width: 800px;
    margin: 0 auto;
}

/* About Intro */
.about-intro {
    padding: 60px 0;
}

.about-intro .entry-content {
    max-width: 900px;
    margin: 0 auto;
    font-size: 1.1rem;
    line-height: 1.8;
    color: #555;
}

/* Timeline */
.about-timeline {
    padding: 80px 0;
    background: #f8f9fa;
}

.about-timeline .section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 60px;
    color: #2c3e50;
}

.timeline {
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
    padding: 40px 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(180deg, #667eea 0%, #764ba2 100%);
    transform: translateX(-50%);
}

.timeline-item {
    position: relative;
    margin-bottom: 50px;
    width: 45%;
}

.timeline-item.left {
    left: 0;
    text-align: right;
    padding-right: 50px;
}

.timeline-item.right {
    left: 55%;
    text-align: left;
    padding-left: 50px;
}

.timeline-marker {
    position: absolute;
    top: 0;
    width: 20px;
    height: 20px;
    background: #667eea;
    border: 4px solid #fff;
    border-radius: 50%;
    box-shadow: 0 0 0 4px #667eea;
}

.timeline-item.left .timeline-marker {
    right: -10px;
}

.timeline-item.right .timeline-marker {
    left: -10px;
}

.timeline-content {
    background: #fff;
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.timeline-item:hover .timeline-content {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.timeline-year {
    display: inline-block;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    padding: 5px 15px;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 10px;
}

.timeline-title {
    font-size: 1.4rem;
    margin: 15px 0 10px;
    color: #2c3e50;
}

.timeline-description {
    color: #666;
    line-height: 1.6;
    margin: 0;
}

/* Global Locations */
.about-global {
    padding: 80px 0;
}

.about-global .section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 60px;
    color: #2c3e50;
}

.global-locations {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.location-card {
    background: #fff;
    padding: 40px 30px;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.location-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.location-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.location-icon .dashicons {
    font-size: 30px;
    width: 30px;
    height: 30px;
    color: #fff;
}

.location-city {
    font-size: 1.5rem;
    margin: 0 0 10px;
    color: #2c3e50;
}

.location-country {
    font-size: 1.1rem;
    color: #666;
    margin: 0 0 10px;
}

.location-address {
    font-size: 0.95rem;
    color: #999;
    margin: 0;
}

/* Company Stats */
.about-stats {
    padding: 80px 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
}

.about-stats .section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 60px;
    color: #fff;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
}

.stat-item {
    text-align: center;
    padding: 30px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    backdrop-filter: blur(10px);
    transition: transform 0.3s ease, background 0.3s ease;
}

.stat-item:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.15);
}

.stat-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 20px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.stat-icon .dashicons {
    font-size: 30px;
    width: 30px;
    height: 30px;
    color: #fff;
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: #fff;
}

.stat-label {
    font-size: 1.1rem;
    opacity: 0.9;
}

/* Company Values */
.about-values {
    padding: 80px 0;
    background: #f8f9fa;
}

.about-values .section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 60px;
    color: #2c3e50;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.value-card {
    background: #fff;
    padding: 40px 30px;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.value-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.value-title {
    font-size: 1.5rem;
    margin: 0 0 15px;
    color: #667eea;
}

.value-description {
    color: #666;
    line-height: 1.6;
    margin: 0;
}

/* About CTA */
.about-cta {
    padding: 80px 0;
    text-align: center;
}

.about-cta h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: #2c3e50;
}

.about-cta p {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 40px;
}

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

.cta-buttons .btn {
    padding: 15px 40px;
    font-size: 1.1rem;
}

/* ============================================================================
   CONTACT PAGE STYLES
   ============================================================================ */

.page-contact .page-hero {
    background: linear-gradient(135deg, #3498db 0%, #2980b9 100%);
    color: #fff;
    padding: 80px 0 60px;
    text-align: center;
}

.page-contact .page-title {
    font-size: 3rem;
    margin: 0 0 20px;
    color: #fff;
}

.page-contact .page-subtitle {
    font-size: 1.3rem;
    opacity: 0.9;
    max-width: 800px;
    margin: 0 auto;
}

.contact-content {
    padding: 80px 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

/* Contact Form */
.contact-form-wrapper h2 {
    font-size: 2rem;
    margin-bottom: 15px;
    color: #2c3e50;
}

.contact-form-wrapper > p {
    color: #666;
    margin-bottom: 30px;
}

.contact-form .form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

.contact-form .form-group {
    margin-bottom: 20px;
}

.contact-form label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: #2c3e50;
}

.contact-form .required {
    color: #e74c3c;
}

.contact-form input[type="text"],
.contact-form input[type="email"],
.contact-form input[type="tel"],
.contact-form select,
.contact-form textarea {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #e0e0e0;
    border-radius: 4px;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.3s ease;
    background: #fff;
    cursor: pointer;
}

.contact-form select {
    appearance: auto;
    -webkit-appearance: menulist;
    -moz-appearance: menulist;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: #3498db;
}

.contact-form textarea {
    resize: vertical;
    min-height: 150px;
}

.contact-form .form-message {
    padding: 15px;
    margin-bottom: 20px;
    border-radius: 4px;
    display: none;
}

.contact-form .form-message.success {
    display: block;
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.contact-form .form-message.error {
    display: block;
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.contact-form .btn-submit {
    width: 100%;
    padding: 15px;
    font-size: 1.1rem;
}

.contact-form .btn-submit:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* Contact Info */
.contact-info-wrapper h2 {
    font-size: 2rem;
    margin-bottom: 30px;
    color: #2c3e50;
}

.contact-info-list {
    margin-bottom: 40px;
}

.contact-info-item {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
    padding: 25px;
    background: #f8f9fa;
    border-radius: 8px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.contact-info-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.contact-icon {
    flex-shrink: 0;
    width: auto;
    height: auto;
    background: none;
    border-radius: 0;
    display: inline-block;
    color: #78909c;
}

.contact-icon .dashicons {
    font-size: 20px;
    width: 20px;
    height: 20px;
    color: inherit;
}

.contact-details h3 {
    font-size: 1.1rem;
    margin: 0 0 8px;
    color: #2c3e50;
}

.contact-details p {
    margin: 0;
    color: #666;
    line-height: 1.6;
}

.contact-details a {
    color: #3498db;
    text-decoration: none;
    transition: color 0.3s ease;
}

.contact-details a:hover {
    color: #2980b9;
    text-decoration: underline;
}

/* Social Links */
.contact-social {
    padding: 25px;
    background: #f8f9fa;
    border-radius: 8px;
}

.contact-social h3 {
    font-size: 1.2rem;
    margin: 0 0 20px;
    color: #2c3e50;
}

.social-links {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.social-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 15px;
    background: #fff;
    border-radius: 4px;
    color: #666;
    text-decoration: none;
    transition: background 0.3s ease, color 0.3s ease;
}

.social-link:hover {
    background: #3498db;
    color: #fff;
}

.social-link .dashicons {
    font-size: 20px;
    width: 20px;
    height: 20px;
}

/* ============================================================================
   404 ERROR PAGE STYLES
   ============================================================================ */

.error-404-content {
    padding: 80px 0;
    min-height: 60vh;
}

.error-404-inner {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 80px;
}

.error-404-number {
    font-size: 10rem;
    font-weight: 700;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: 20px;
}

.error-404-title {
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: #2c3e50;
}

.error-404-message {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 40px;
}

.error-404-search {
    max-width: 500px;
    margin: 0 auto 40px;
}

.error-404-search .search-form {
    display: flex;
    gap: 10px;
}

.error-404-search input[type="search"] {
    flex: 1;
    padding: 12px 20px;
    border: 2px solid #e0e0e0;
    border-radius: 4px;
    font-size: 1rem;
}

.error-404-search input[type="search"]:focus {
    outline: none;
    border-color: #3498db;
}

.error-404-search button {
    padding: 12px 30px;
    background: #3498db;
    color: #fff;
    border: none;
    border-radius: 4px;
    font-size: 1rem;
    cursor: pointer;
    transition: background 0.3s ease;
}

.error-404-search button:hover {
    background: #2980b9;
}

.error-404-links {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
}

.error-404-links .btn {
    padding: 12px 30px;
}

/* Suggestions */
.error-404-suggestions {
    margin-top: 60px;
}

.error-404-suggestions > h2 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 40px;
    color: #2c3e50;
}

.suggestions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.suggestion-section h3 {
    font-size: 1.3rem;
    margin-bottom: 20px;
    color: #2c3e50;
    padding-bottom: 10px;
    border-bottom: 2px solid #3498db;
}

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

.suggestion-list li {
    margin-bottom: 15px;
}

.suggestion-list a {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 10px;
    background: #f8f9fa;
    border-radius: 4px;
    text-decoration: none;
    color: #2c3e50;
    transition: background 0.3s ease, transform 0.3s ease;
}

.suggestion-list a:hover {
    background: #e9ecef;
    transform: translateX(5px);
}

.suggestion-list img {
    width: 60px;
    height: 60px;
    object-fit: cover;
    border-radius: 4px;
}

.suggestion-list span {
    flex: 1;
    font-weight: 500;
}

/* ============================================================================
   LOGO 尺寸控制
   ============================================================================ */

/* Logo 基础尺寸设置 */
.custom-logo-link {
    display: inline-block;
    line-height: 0;
}

.custom-logo {
    max-width: 200px;
    max-height: 60px;
    width: auto;
    height: auto;
    object-fit: contain;
    transition: all 0.3s ease;
}

/* 如果 Logo 在 site-branding 中 */
.site-branding .custom-logo {
    max-width: 200px;
    max-height: 60px;
}

/* Logo 悬停效果（可选） */
.custom-logo-link:hover .custom-logo {
    opacity: 0.8;
}

/* 移动端 Logo 尺寸 */
@media (max-width: 768px) {
    .custom-logo {
        max-width: 150px;
        max-height: 45px;
    }
    
    .site-branding .custom-logo {
        max-width: 150px;
        max-height: 45px;
    }
}

/* 小屏幕移动端 Logo 尺寸 */
@media (max-width: 480px) {
    .custom-logo {
        max-width: 120px;
        max-height: 40px;
    }
    
    .site-branding .custom-logo {
        max-width: 120px;
        max-height: 40px;
    }
}

/* ============================================================================
   多语言支持样式
   Multilingual Support Styles
   ============================================================================ */

/* 语言切换器基础样式 */
.language-switcher {
    display: inline-block;
}

.language-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.language-item {
    margin: 0;
}

.language-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.75rem;
    border-radius: 4px;
    transition: var(--transition);
    color: var(--text-color);
    text-decoration: none;
}

.language-link:hover {
    background: var(--bg-light);
    color: var(--primary-color);
}

.language-item.active .language-link {
    background: var(--primary-color);
    color: var(--white);
}

.language-flag {
    width: 20px;
    height: 15px;
    object-fit: cover;
    border-radius: 2px;
}

.language-name {
    font-size: 0.875rem;
    font-weight: 500;
}

/* 下拉菜单样式 */
.language-dropdown {
    padding: 0.5rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background: var(--white);
    color: var(--text-color);
    font-size: 0.875rem;
    cursor: pointer;
    transition: var(--transition);
}

.language-dropdown:hover {
    border-color: var(--primary-color);
}

.language-dropdown:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
}

/* 导航菜单中的语言切换器 */
.menu-item-language-switcher {
    position: relative;
}

.language-toggle {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
}

.current-language-flag {
    width: 20px;
    height: 15px;
    object-fit: cover;
    border-radius: 2px;
}

.current-language-name {
    font-size: 0.875rem;
    font-weight: 500;
    text-transform: uppercase;
}

.language-submenu {
    display: none;
    position: absolute;
    top: 100%;
    right: 0;
    background: var(--white);
    box-shadow: var(--shadow);
    border-radius: 4px;
    padding: 0.5rem 0;
    min-width: 150px;
    z-index: 1000;
}

.menu-item-language-switcher:hover .language-submenu {
    display: block;
}

.language-submenu .menu-item {
    margin: 0;
    border-bottom: none;
}

.language-submenu .menu-item a {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    color: var(--text-color);
    transition: var(--transition);
}

.language-submenu .menu-item a:hover {
    background: var(--bg-light);
    color: var(--primary-color);
}

.language-submenu .menu-item.current-language a {
    background: var(--bg-light);
    color: var(--primary-color);
    font-weight: 600;
}

/* 页脚语言切换器 */
.site-footer .language-switcher {
    margin-top: 1rem;
}

.site-footer .language-link {
    color: rgba(255, 255, 255, 0.8);
}

.site-footer .language-link:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
}

.site-footer .language-item.active .language-link {
    background: rgba(255, 255, 255, 0.2);
    color: var(--white);
}

/* 小工具区域的语言切换器 */
.language-switcher-widget {
    padding: 1.5rem;
    background: var(--white);
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.language-switcher-widget .language-list {
    flex-direction: column;
    gap: 0.5rem;
}

.language-switcher-widget .language-link {
    width: 100%;
    justify-content: flex-start;
}

/* 移动端优化 */
@media (max-width: 768px) {
    .language-list {
        flex-direction: column;
        gap: 0.25rem;
    }
    
    .language-link {
        width: 100%;
        justify-content: flex-start;
    }
    
    .language-submenu {
        position: static;
        box-shadow: none;
        background: var(--bg-light);
        margin-top: 0.5rem;
    }
}