/* Tech Style Main CSS */

/* Import Layout System */
@import url('./layout.css');

/* Import Banner Styles - 统一的Banner样式文件 */
@import url('./banner.css');

/* Import Compact Layout for Banner Height Control */
@import url('./compact-layout.css');

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    background: #ffffff;
    color: #000000;
    line-height: 1.6;
    overflow-x: hidden;
    margin: 0;
    padding: 0;
}

/* Banner样式已移至 banner.css 文件 */

/* 页面内容区域需要考虑固定Header的高度 */
body {
    padding-top: 0; /* 移除默认的顶部padding */
}

/* 确保Banner与Header之间零间距的最终规则 - 但不影响Banner本身的定位 */
.modern-header + *:not(.banner-preview-page):not([class*="banner"]),
header + *:not(.banner-preview-page):not([class*="banner"]) {
    margin-top: 0 !important;
}

/* 调试辅助：可以临时启用来验证Banner位置 */
/*
.banner-preview-page::before {
    content: "Banner位置验证";
    position: absolute;
    top: -20px;
    left: 10px;
    background: red;
    color: white;
    padding: 2px 8px;
    font-size: 12px;
    z-index: 9999;
}
*/

/* Banner相关样式已移除 */

/* Container - 统一容器宽度设置 */
.container {
    max-width: 1200px;
    min-width: 1000px;
    margin: 0 auto;
    padding: 0 20px;
    width: 100%;
}

/* 特殊容器类型 */
.container-narrow {
    max-width: 800px;
    min-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
    width: 100%;
}

.container-wide {
    max-width: 1400px;
    min-width: 1000px;
    margin: 0 auto;
    padding: 0 20px;
    width: 100%;
}

.container-full {
    max-width: none;
    min-width: 1000px;
    margin: 0 auto;
    padding: 0 20px;
    width: 100%;
}

/* Banner相关布局样式已移除 */

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

h1 { font-size: 3rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 2rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: all 0.3s ease;
}

a:hover {
    color: #ffffff;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(107, 163, 214, 0.4);
}

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

.btn-outline:hover {
    background: var(--primary-color);
    color: white;
    box-shadow: 0 0 20px rgba(107, 163, 214, 0.6);
}

.btn-glow {
    box-shadow: 0 0 20px rgba(107, 163, 214, 0.4);
}

.btn-sm {
    padding: 8px 16px;
    font-size: 0.875rem;
}

.btn-lg {
    padding: 16px 32px;
    font-size: 1.125rem;
}

/* Header Styles - 精简深色主题 */
.tech-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95); /* 改为白色半透明背景 */
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    margin: 0;
    padding: 0;
}

/* Banner相关Header样式已移除 */

/* Banner相关Header边框样式已移除 */

/* ===== 现代化Header样式 ===== */
.modern-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    margin-bottom: 0 !important;
}

/* Banner相关Header主题样式已移除 */

/* 顶部联系信息栏 - 缩小高度和字体 */
.header-top-bar {
    background: rgba(248, 249, 250, 0.95);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    padding: 0.25rem 0; /* 从0.5rem减少到0.25rem */
    font-size: 0.75rem; /* 从0.875rem减少到0.75rem */
    margin-bottom: 0 !important;
}

/* Banner相关顶部栏样式已移除 */

.top-bar-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* 主Header */
.header-main {
    background: inherit;
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
    padding: 0.75rem 0;
    margin-bottom: 0 !important;
}

/* Banner相关主Header样式已移除 */

.modern-header.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.header-main {
    padding: 0.75rem 0;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem; /* 从2rem减少到1rem，调窄整体间距 */
}

/* Logo区域 */
.logo-section {
    flex-shrink: 0;
}

.logo-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    transition: transform 0.3s ease;
}

.logo-link:hover {
    transform: translateY(-1px);
}

.logo-image {
    height: 40px;
    width: auto;
    object-fit: contain;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: #1a1a1a;
    letter-spacing: -0.02em;
}

/* Banner相关Logo样式已移除 */

/* 主导航 */
.main-navigation {
    flex: 1;
    display: flex !important;
    justify-content: flex-end; /* 改为右对齐 */
    visibility: visible !important;
    opacity: 1 !important;
}

.nav-list {
    display: flex !important;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 0.5rem; /* 从1rem减少到0.5rem，调窄间距 */
    visibility: visible !important;
}

.nav-item {
    position: relative;
    display: block !important;
    visibility: visible !important;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 0.75rem; /* 从1.25rem减少到0.75rem，调窄左右内边距 */
    color: #000000; /* 调整为黑色 */
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    border-radius: 8px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    white-space: nowrap;
}

.nav-link:hover,
.nav-link.active {
    color: #000000; /* 悬停时也保持黑色 */
    background: rgba(0, 0, 0, 0.06);
}

/* 强制所有导航链接为黑色 */
.nav-link,
.modern-header .nav-link {
    color: #000000 !important; /* 强制黑色 */
}

.nav-link:hover,
.nav-link.active,
.modern-header .nav-link:hover,
.modern-header .nav-link.active {
    color: #000000 !important; /* 强制悬停和激活状态也是黑色 */
    background: rgba(0, 0, 0, 0.1) !important; /* 恢复悬停背景 */
}

.submenu-icon {
    font-size: 0.75rem;
    transition: transform 0.3s ease;
}

.nav-item:hover .submenu-icon {
    transform: rotate(180deg);
}

/* 子菜单 */
.submenu-wrapper {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    margin-top: 0.5rem;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 100;
}

.nav-item:hover .submenu-wrapper {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.submenu {
    background: white;
    border: 1px solid rgba(0, 0, 0, 0.08);
    border-radius: 12px;
    padding: 0.5rem;
    min-width: 200px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.12);
    list-style: none;
    margin: 0;
}

.submenu-link {
    display: block;
    padding: 0.75rem 1rem;
    color: #4a5568;
    text-decoration: none;
    font-size: 0.9rem;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.submenu-link:hover {
    color: #2d3748;
    background: rgba(0, 0, 0, 0.04);
}

/* 右侧功能区 */
.header-utilities {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-shrink: 0;
}

/* 顶部栏联系信息 - 缩小间距和字体 */
.header-top-bar .contact-info {
    display: flex;
    gap: 1.5rem; /* 从2rem减少到1.5rem */
    align-items: center;
}

.header-top-bar .contact-item {
    display: flex;
    align-items: center;
    gap: 0.375rem; /* 从0.5rem减少到0.375rem */
    color: #4a5568;
    text-decoration: none;
    font-size: 0.75rem; /* 从0.875rem减少到0.75rem */
    transition: color 0.3s ease;
    padding: 0.125rem 0; /* 从0.25rem减少到0.125rem */
}

.header-top-bar .contact-item:hover {
    color: #2d3748;
}

.header-top-bar .contact-item i {
    font-size: 0.7rem; /* 从0.875rem减少到0.7rem */
    color: #718096;
}

/* Banner相关联系信息样式已移除 */

.utility-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: none;
    border: none;
    color: #4a5568;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.utility-btn:hover {
    color: #2d3748;
    background: rgba(0, 0, 0, 0.04);
}

/* Banner相关功能按钮样式已移除 */

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 3px;
    padding: 8px;
}

.hamburger-line {
    width: 20px;
    height: 2px;
    background: #4a5568;
    border-radius: 1px;
    transition: all 0.3s ease;
}

.mobile-menu-toggle:hover .hamburger-line {
    background: #2d3748;
}

/* Banner相关汉堡菜单样式已移除 */

/* 搜索覆盖层 */
.search-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.search-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
}

.search-panel {
    position: absolute;
    top: 20%;
    left: 50%;
    transform: translateX(-50%);
    width: 90%;
    max-width: 600px;
    background: white;
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
    overflow: hidden;
}

.search-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.5rem 2rem 1rem;
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}

.search-header h3 {
    margin: 0;
    font-size: 1.25rem;
    font-weight: 600;
    color: #1a1a1a;
}

.close-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: none;
    border: none;
    color: #718096;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.close-btn:hover {
    color: #2d3748;
    background: rgba(0, 0, 0, 0.04);
}

.search-form {
    padding: 2rem;
}

.search-input-group {
    position: relative;
    display: flex;
    align-items: center;
}

.search-input {
    width: 100%;
    padding: 1rem 1.5rem;
    padding-right: 4rem;
    border: 2px solid rgba(0, 0, 0, 0.08);
    border-radius: 12px;
    font-size: 1rem;
    background: #f8f9fa;
    transition: all 0.3s ease;
}

.search-input:focus {
    outline: none;
    border-color: #4299e1;
    background: white;
    box-shadow: 0 0 0 3px rgba(66, 153, 225, 0.1);
}

.search-btn {
    position: absolute;
    right: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: #4299e1;
    border: none;
    border-radius: 8px;
    color: white;
    cursor: pointer;
    transition: all 0.3s ease;
}

.search-btn:hover {
    background: #3182ce;
    transform: scale(1.05);
}

/* 移动端菜单 */
.mobile-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.mobile-menu-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
}

.mobile-menu-panel {
    position: absolute;
    top: 0;
    right: 0;
    width: 320px;
    height: 100%;
    background: white;
    box-shadow: -10px 0 30px rgba(0, 0, 0, 0.2);
    transform: translateX(100%);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    overflow-y: auto;
}

.mobile-menu-overlay.active .mobile-menu-panel {
    transform: translateX(0);
}

.mobile-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.5rem;
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
    background: #f8f9fa;
}

.mobile-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.mobile-logo-image {
    height: 32px;
    width: auto;
    object-fit: contain;
}

.mobile-logo-text {
    font-size: 1.25rem;
    font-weight: 600;
    color: #1a1a1a;
}

.mobile-navigation {
    padding: 1rem 0;
}

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

.mobile-nav-item {
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.mobile-nav-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.5rem;
    color: #2d3748;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
}

.mobile-nav-link:hover {
    background: rgba(0, 0, 0, 0.04);
    color: #1a1a1a;
}

.submenu-arrow {
    font-size: 0.875rem;
    color: #718096;
    transition: transform 0.3s ease;
}

.mobile-nav-item.active .submenu-arrow {
    transform: rotate(90deg);
}

.mobile-submenu {
    list-style: none;
    margin: 0;
    padding: 0;
    background: #f8f9fa;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.mobile-nav-item.active .mobile-submenu {
    max-height: 300px;
}

.mobile-submenu-link {
    display: block;
    padding: 0.75rem 3rem;
    color: #4a5568;
    text-decoration: none;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.mobile-submenu-link:hover {
    background: rgba(0, 0, 0, 0.04);
    color: #2d3748;
}

.mobile-contact {
    margin-top: auto;
    padding: 1.5rem;
    border-top: 1px solid rgba(0, 0, 0, 0.08);
    background: #f8f9fa;
}

.contact-section h4 {
    margin: 0 0 1rem 0;
    font-size: 1rem;
    font-weight: 600;
    color: #1a1a1a;
}

.contact-links {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.contact-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: #4a5568;
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

.contact-link:hover {
    color: #2d3748;
}

.contact-link i {
    width: 16px;
    color: #718096;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .desktop-only {
        display: none !important;
    }

    .header-top-bar {
        display: none; /* 移动端隐藏顶部栏 */
    }

    .main-navigation {
        display: none;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .header-utilities {
        gap: 0.5rem;
    }

    .logo-text {
        font-size: 1.25rem;
    }

    /* Banner响应式样式已移至 banner.css 文件 */
}

@media (max-width: 768px) {
    .header-main {
        padding: 0.5rem 0;
    }

    .logo-image {
        height: 32px;
    }

    .logo-text {
        font-size: 1.125rem;
    }

    .mobile-menu-panel {
        width: 280px;
    }

    .search-panel {
        width: 95%;
        top: 15%;
    }

    .search-header {
        padding: 1rem 1.5rem 0.75rem;
    }

    .search-form {
        padding: 1.5rem;
    }

    /* Banner响应式样式已移至 banner.css 文件 */
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
        min-width: auto;
    }

    .header-content {
        gap: 1rem;
    }

    .mobile-menu-panel {
        width: 100%;
    }

    .search-panel {
        width: 100%;
        top: 10%;
        margin: 0 1rem;
        width: calc(100% - 2rem);
    }

    /* Banner响应式样式已移至 banner.css 文件 */
}

/* 实用工具类 */
.desktop-only {
    display: block;
}

.mobile-only {
    display: none;
}

@media (max-width: 1024px) {
    .desktop-only {
        display: none !important;
    }

    .mobile-only {
        display: block !important;
    }
}

/* 动画和过渡效果 */
.modern-header * {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 滚动时的header效果 */
.modern-header.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

/* 焦点状态 */
.nav-link:focus,
.utility-btn:focus,
.mobile-nav-link:focus {
    outline: 2px solid #4299e1;
    outline-offset: 2px;
}

/* 活跃状态 */
.nav-link.active {
    color: #4299e1;
    background: rgba(66, 153, 225, 0.1);
}

/* 加载状态 */
.modern-header.loading {
    opacity: 0.8;
    pointer-events: none;
}



.tech-header.scrolled {
    background: linear-gradient(135deg, #111827, #1f2937);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

/* Banner相关滚动Header样式已移除 */

.tech-top-bar {
    background: linear-gradient(135deg, #0f172a, #1e293b);
    padding: 6px 0;
    font-size: 0.8rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    min-height: 32px;
    display: flex;
    align-items: center;
}

.top-bar-content {
    display: flex !important;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    gap: 2rem;
    height: 100%;
    flex-wrap: nowrap !important;
}

.contact-info {
    display: flex !important;
    flex-direction: row !important;
    gap: 1rem;
    align-items: center;
    justify-content: flex-start;
    flex-wrap: nowrap !important;
    white-space: nowrap;
    width: auto;
    min-width: 0;
}

.language-switcher {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    height: 100%;
}

/* Top Bar右侧功能区 */
.top-bar-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.contact-info {
    display: flex;
    gap: 1.5rem;
    align-items: center;
    flex-wrap: wrap;
}

.contact-item {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    color: #ffffff;
    transition: color 0.3s ease;
    padding: 0.2rem 0.4rem;
    font-size: 0.8rem;
    white-space: nowrap;
    font-weight: 500;
}

.contact-item:hover {
    color: #87ceeb;
}

.contact-item i {
    color: #87ceeb;
    font-size: 0.8rem;
    transition: color 0.3s ease;
}

.contact-item:hover i {
    color: #ffffff;
}

/* 强制水平排列 */
.contact-info .contact-item {
    display: inline-flex !important;
    float: none !important;
    clear: none !important;
    width: auto !important;
    height: auto !important;
}

.contact-info .contact-item + .contact-item {
    margin-left: 1rem !important;
    margin-top: 0 !important;
}

/* 专门针对top-bar的强制水平布局 */
.tech-top-bar .contact-info {
    display: flex !important;
    flex-direction: row !important;
    flex-wrap: nowrap !important;
    align-items: center !important;
    gap: 1rem !important;
}

.tech-top-bar .contact-item {
    color: #ffffff;
    font-weight: 500;
    padding: 0.2rem 0.4rem;
    margin: 0 0.3rem;
}

.tech-top-bar .contact-item:hover {
    color: #87ceeb;
}

.tech-top-bar .contact-item i {
    color: #87ceeb;
    margin-right: 0.4rem;
}

.tech-top-bar .contact-item:hover i {
    color: #ffffff;
}

/* Top Bar语言切换器样式 */
.tech-top-bar .language-toggle {
    color: #ffffff;
    font-weight: 500;
    background: transparent;
    border: none;
    padding: 0.2rem 0.4rem;
}

.tech-top-bar .language-toggle:hover {
    color: #87ceeb;
}

.tech-top-bar .current-lang {
    color: #ffffff;
}

.tech-top-bar .language-toggle:hover .current-lang {
    color: #87ceeb;
}

.tech-top-bar .dropdown-arrow {
    color: #87ceeb;
}

.tech-top-bar .language-toggle:hover .dropdown-arrow {
    color: #ffffff;
}

.tech-main-header {
    padding: 0.6rem 0;
    height: 56px;
    display: flex;
    align-items: center;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
}

.tech-logo {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    transition: color 0.3s ease;
    padding: 0.4rem;
    height: 40px;
}

.tech-logo:hover {
    color: #87ceeb;
}

.logo-img {
    height: 32px;
    width: auto;
    transition: filter 0.3s ease;
}

.tech-logo:hover .logo-img {
    filter: brightness(1.1);
}

.logo-text {
    font-size: 1.4rem;
    font-weight: 600;
    color: #ffffff;
    transition: color 0.3s ease;
}

.tech-logo:hover .logo-text {
    color: #87ceeb;
}

.tech-nav {
    position: relative;
}

.tech-nav .nav-menu {
    display: flex;
    list-style: none;
    gap: 0.25rem; /* 从0.5rem减少到0.25rem，进一步调窄间距 */
    align-items: center;
}

.nav-item {
    position: relative;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    color: #000000; /* 改为黑色 */
    font-weight: 500;
    padding: 0.6rem 0.5rem; /* 从0.8rem减少到0.5rem，调窄左右内边距 */
    border-radius: 6px;
    transition: all 0.3s ease;
    text-decoration: none;
    background: transparent;
    height: 40px;
    font-size: 0.85rem;
}

.nav-link:hover {
    color: #000000; /* 悬停时也是黑色 */
    background: rgba(0, 0, 0, 0.1); /* 恢复悬停背景 */
}

.nav-link.active {
    color: #000000; /* 激活状态也是黑色 */
    background: rgba(0, 0, 0, 0.15); /* 恢复激活背景 */
}

.nav-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-primary);
    opacity: 0;
    border-radius: 8px;
    transition: opacity 0.3s ease;
    z-index: -1;
}

.nav-link:hover::before {
    opacity: 0.1;
}

.menu-icon {
    font-size: 0.875rem;
    transition: all 0.3s ease;
}

.dropdown-arrow {
    font-size: 0.75rem;
    transition: transform 0.3s ease;
}

.nav-link.has-dropdown:hover .dropdown-arrow {
    transform: rotate(180deg);
}

/* Dropdown Menu Styles */
.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: linear-gradient(135deg, #1f2937 0%, #374151 100%);
    backdrop-filter: blur(15px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    min-width: 220px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 1000;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4), 0 0 20px rgba(135, 206, 235, 0.1);
    list-style: none;
    padding: 0.75rem 0;
    margin: 0;
}

.nav-item:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu::before {
    content: '';
    position: absolute;
    top: -6px;
    left: 20px;
    width: 12px;
    height: 12px;
    background: linear-gradient(135deg, #1f2937 0%, #374151 100%);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-bottom: none;
    border-right: none;
    transform: rotate(45deg);
}

.dropdown-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1.25rem;
    color: #ffffff;
    text-decoration: none;
    transition: all 0.3s ease;
    border-radius: 0;
    position: relative;
}

.dropdown-link:hover {
    color: #ffffff;
    background: rgba(255, 255, 255, 0.15);
    transform: translateX(5px);
}

.dropdown-link::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: #ffffff;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.dropdown-link:hover::before {
    opacity: 1;
}

.submenu-icon {
    font-size: 0.875rem;
    color: #ffffff;
    transition: all 0.3s ease;
}

.dropdown-link:hover .submenu-icon {
    transform: scale(1.1);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.search-btn, .menu-toggle {
    background: rgba(135, 206, 235, 0.1);
    border: none;
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.9rem;
    cursor: pointer;
    padding: 0.4rem;
    border-radius: 6px;
    transition: all 0.3s ease;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.search-btn:hover, .menu-toggle:hover {
    color: #ffffff;
    background: rgba(135, 206, 235, 0.2);
}

.search-btn:active, .menu-toggle:active {
    transform: translateY(0);
    box-shadow: 0 2px 8px rgba(255, 255, 255, 0.3);
}

/* Pulse animation for interactive buttons */
.search-btn::before, .menu-toggle::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: all 0.3s ease;
}

.search-btn:hover::before, .menu-toggle:hover::before {
    width: 100%;
    height: 100%;
    opacity: 0;
}





/* Menu Toggle - Hidden on desktop, visible on mobile */
.menu-toggle {
    display: none;
}





/* Language Switcher Enhancement */
.tech-language-switcher {
    position: relative;
}

.language-dropdown {
    position: relative;
}

.language-toggle {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    background: transparent;
    border: none;
    color: #ffffff;
    padding: 0.25rem 0.5rem;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.875rem;
    font-weight: 600;
    height: auto;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
}

.language-toggle:hover {
    background: transparent;
    color: #87ceeb;
}

.language-toggle.active {
    background: transparent;
    color: #87ceeb;
}

.current-flag {
    width: 24px;
    height: 18px;
    object-fit: cover;
    border-radius: 3px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.current-lang {
    font-weight: 600;
    color: #ffffff;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
}

.dropdown-arrow {
    font-size: 0.75rem;
    transition: transform 0.3s ease;
    color: #87ceeb;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
}

.dropdown-arrow.rotated {
    transform: rotate(180deg);
}

/* Language Menu Dropdown */
.language-menu {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    min-width: 200px;
    background: rgba(15, 15, 35, 0.98);
    backdrop-filter: blur(15px);
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3), 0 0 20px rgba(0, 212, 255, 0.1);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 1000;
    overflow: hidden;
}

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

.language-menu::before {
    content: '';
    position: absolute;
    top: -6px;
    right: 20px;
    width: 12px;
    height: 12px;
    background: rgba(15, 15, 35, 0.98);
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-bottom: none;
    border-right: none;
    transform: rotate(45deg);
}

.language-options {
    padding: 0.75rem 0;
}

.language-option {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.3s ease;
    border-left: 3px solid transparent;
    position: relative;
}

.language-option:hover {
    background: rgba(0, 212, 255, 0.1);
    border-left-color: var(--primary-color);
    color: var(--text-primary);
    transform: translateX(3px);
}

.language-option.active {
    background: rgba(0, 212, 255, 0.15);
    border-left-color: var(--primary-color);
    color: var(--primary-color);
}

.flag-icon {
    width: 24px;
    height: 18px;
    object-fit: cover;
    border-radius: 3px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    flex-shrink: 0;
}

.lang-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.125rem;
}

.lang-code {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
}

.lang-name {
    font-size: 0.75rem;
    color: var(--text-secondary);
    opacity: 0.8;
}

.language-option:hover .lang-name {
    opacity: 1;
}

.check-icon {
    font-size: 0.875rem;
    color: var(--primary-color);
    opacity: 0.8;
}

/* 旧的Banner样式已移除，完全按照Vue组件重构 */

/* 旧的hero-banner样式已移除 */

/* tech-grid-bg类已完全移除 */

/* 旧的hero样式已移除 */

/* Animations - 紧凑版本 */
.floating-elements {
    /* 隐藏浮动元素 */
    display: none;
}

.floating-element {
    position: absolute;
    width: 40px; /* 减小尺寸 */
    height: 40px; /* 减小尺寸 */
    background: transparent; /* 浮动元素背景完全移除 */
    border-radius: 50%;
    display: none; /* 完全隐藏浮动元素 */
    align-items: center;
    justify-content: center;
    font-size: 1rem; /* 减小字体 */
    color: white;
    animation: float 6s ease-in-out infinite;
    animation-delay: var(--delay);
}

.floating-element:nth-child(1) { top: 20%; left: 20%; }
.floating-element:nth-child(2) { top: 20%; right: 20%; }
.floating-element:nth-child(3) { bottom: 20%; left: 20%; }
.floating-element:nth-child(4) { bottom: 20%; right: 20%; }

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(180deg); }
}

.pulse-rings {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.pulse-ring {
    position: absolute;
    width: 120px; /* 减小尺寸 */
    height: 120px; /* 减小尺寸 */
    border: 2px solid var(--primary-color);
    border-radius: 50%;
    animation: pulse 3s ease-out infinite;
    animation-delay: var(--delay);
    opacity: 0;
}

@keyframes pulse {
    0% {
        transform: scale(0.1);
        opacity: 1;
    }
    100% {
        transform: scale(1);
        opacity: 0;
    }
}



/* Banner样式已完全移至 banner.css 文件，避免重复和冲突 */

/* 旧的default-banner样式已移除 */

.default-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.default-subtitle {
    font-size: 1.5rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.default-image {
    margin: 2rem 0;
}

.company-image {
    max-width: 400px;
    max-height: 200px;
    width: auto;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.3);
}

.default-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 2rem;
}

/* 旧的hero-slogan样式已移除 */

/* 旧的Banner后section样式已移除 */

/* 通用section样式 */
section {
    margin-top: 0;
    padding-top: 0;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
    margin-top: 0;
    padding-top: 2rem;
}

.section-title {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.feature-card {
    background: #ffffff;
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    border: 1px solid rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.15), transparent);
    transition: left 0.5s ease;
}

.feature-card:hover::before {
    left: 100%;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(107, 163, 214, 0.3);
    border-color: rgba(255, 255, 255, 0.4);
}

/* EASTMED Feature Card Styles */
.feature-card .feature-icon {
    background: var(--gradient-primary);
    color: white;
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2rem;
    box-shadow: 0 4px 15px var(--shadow-color);
}

.feature-card .feature-title {
    color: #000000;
    font-weight: 600;
    margin-bottom: 1rem;
}

.feature-card .feature-description {
    color: #333333;
}

/* EASTMED Accent Cards */
.eastmed-card {
    background: #ffffff;
    border: 2px solid var(--primary-color);
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 6px 25px rgba(0, 0, 0, 0.1);
}

.eastmed-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 35px var(--shadow-color);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2rem;
    color: white;
}

.feature-title {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.feature-description {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.feature-link {
    color: var(--primary-color);
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
}

.feature-link:hover {
    transform: translateX(5px);
}

/* Responsive Design */
@media (max-width: 1200px) {
    .container,
    .container-narrow,
    .container-wide,
    .container-full {
        min-width: auto;
        max-width: 100%;
        padding: 0 20px;
    }
}

@media (max-width: 1024px) {
    .container,
    .container-narrow,
    .container-wide,
    .container-full {
        padding: 0 15px;
    }
}

@media (max-width: 768px) {
    .container,
    .container-narrow,
    .container-wide,
    .container-full {
        padding: 0 15px;
    }

    /* 移动端Banner相关样式已移除 */

    .features-grid {
        grid-template-columns: 1fr;
    }

    .tech-nav {
        display: none;
    }

    .menu-toggle {
        display: block;
    }
}

/* Footer Styles - 精简深色主题 */
.tech-footer {
    background: linear-gradient(135deg, #1f2937, #374151);
    color: #ffffff;
    margin-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.tech-footer::before {
    /* 方格背景已移除 */
    display: none;
}

/* 无Banner时的布局样式 */
.no-banner .main-content,
.no-banner .main-content-adaptive {
    margin-top: 100px !important; /* Header高度 */
    padding-top: 2rem !important;
}

/* 有Banner时的布局样式 */
.has-banner .main-content,
.has-banner .main-content-adaptive {
    margin-top: 20px !important;
    padding-top: 0 !important;
}

/* Icon Navigation Section */
.footer-icons {
    padding: 32px 0;
    background: rgba(0, 0, 0, 0.15);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.icon-nav-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    max-width: 800px;
    margin: 0 auto;
}

.icon-nav-item {
    text-align: center;
}

.icon-nav-link {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-decoration: none;
    color: #ffffff;
    transition: all 0.3s ease;
}

.icon-circle {
    width: 72px;
    height: 72px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 12px;
    transition: all 0.3s ease;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.icon-circle i {
    font-size: 28px;
    color: #ffffff;
}

/* 自定义图标样式 - 恢复特殊设计 */
.icon-circle .custom-chain {
    position: relative;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.icon-circle .custom-chain::before {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    border: 3px solid #ffffff;
    border-radius: 50%;
    background: transparent;
    top: 2px;
    left: 6px;
}

.icon-circle .custom-chain::after {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    border: 3px solid #ffffff;
    border-radius: 50%;
    background: transparent;
    top: 10px;
    right: 6px;
}

.icon-circle .custom-arrow {
    position: relative;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.icon-circle .custom-arrow::before {
    content: '';
    position: absolute;
    width: 0;
    height: 0;
    border-left: 12px solid #ffffff;
    border-top: 8px solid transparent;
    border-bottom: 8px solid transparent;
    transform: rotate(-45deg);
}

.icon-circle .custom-arrow::after {
    content: '';
    position: absolute;
    width: 18px;
    height: 3px;
    background: #ffffff;
    transform: rotate(-45deg);
    top: 50%;
    left: 50%;
    margin-top: -1.5px;
    margin-left: -9px;
}

.icon-circle .custom-empty {
    position: relative;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.icon-circle .custom-empty::before {
    content: '';
    position: absolute;
    width: 24px;
    height: 24px;
    border: 3px solid #ffffff;
    border-radius: 50%;
    background: transparent;
}

.icon-circle .custom-oval {
    position: relative;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.icon-circle .custom-oval::before {
    content: '';
    position: absolute;
    width: 28px;
    height: 18px;
    border: 3px solid #ffffff;
    border-radius: 50%;
    background: transparent;
}

.icon-label {
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.icon-nav-link:hover .icon-circle {
    background: rgba(255, 255, 255, 0.35);
    border-color: rgba(255, 255, 255, 0.6);
    transform: translateY(-5px);
}

.icon-nav-link:hover {
    color: #ffffff;
}

/* Social Media Compact Section */
.social-compact-group {
    display: flex;
    gap: 8px;
    align-items: center;
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.social-compact-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 6px;
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: all 0.2s ease;
}

.social-compact-svg {
    width: 14px;
    height: 14px;
    color: rgba(255, 255, 255, 0.7);
    transition: all 0.2s ease;
}

.social-compact-link:hover {
    transform: translateY(-1px);
    border-color: rgba(255, 255, 255, 0.3);
    background: rgba(255, 255, 255, 0.15);
}

.social-compact-link:hover .social-compact-svg {
    color: #ffffff;
}

/* Brand colors on hover */
.social-compact-link:nth-child(1):hover {
    background: #1877f2;
    border-color: #1877f2;
}

.social-compact-link:nth-child(2):hover {
    background: #1da1f2;
    border-color: #1da1f2;
}

.social-compact-link:nth-child(3):hover {
    background: #ff0000;
    border-color: #ff0000;
}

.social-compact-link:nth-child(4):hover {
    background: #0077b5;
    border-color: #0077b5;
}

.social-compact-link:nth-child(5):hover {
    background: #e4405f;
    border-color: #e4405f;
}

/* Main Footer Content */
.footer-main {
    position: relative;
    z-index: 1;
    padding: 40px 0 20px;
}

.footer-content-grid {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 60px;
    align-items: start;
    max-width: 1200px;
    margin: 0 auto;
}

/* Newsletter Section */
.newsletter-section {
    background: rgba(255, 255, 255, 0.15);
    padding: 30px;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.25);
}

.newsletter-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 20px;
    color: #ffffff;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.newsletter-form {
    width: 100%;
}

.newsletter-input-wrapper {
    display: flex;
    gap: 0;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 4px;
    overflow: hidden;
}

.newsletter-input {
    flex: 1;
    padding: 12px 15px;
    border: none;
    background: transparent;
    color: #333;
    font-size: 14px;
    outline: none;
}

.newsletter-input::placeholder {
    color: #666;
}

.newsletter-btn {
    padding: 12px 20px;
    background: #6ba3d6;
    color: #ffffff;
    border: none;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    cursor: pointer;
    transition: background 0.3s ease;
}

.newsletter-btn:hover {
    background: #5a9bd4;
}

/* Footer Links Section */
.footer-links-section {
    padding-left: 20px;
}

.footer-links-grid {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.link-group {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    line-height: 1.6;
}

.footer-link {
    color: #ffffff;
    text-decoration: none;
    font-size: 11px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: color 0.3s ease;
}

.footer-link:hover {
    color: #87ceeb;
}

.email-link {
    color: #87ceeb !important;
}

.link-separator {
    color: rgba(255, 255, 255, 0.6);
    font-size: 11px;
    margin: 0 2px;
}

.footer-phone {
    color: #ffffff;
    font-size: 11px;
    font-weight: 500;
}

.address-group {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 11px;
}

.address-label {
    color: #ffffff;
    font-weight: 600;
    text-transform: uppercase;
}

.address-text {
    color: rgba(255, 255, 255, 0.8);
}

/* Copyright Group */
.copyright-group {
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.copyright-text {
    font-size: 11px;
    line-height: 1.5;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 10px;
}

.copyright-text strong {
    color: #ffffff;
    font-weight: 600;
}

.footer-extra-links {
    display: flex;
    gap: 10px;
    align-items: center;
}

.footer-extra-link {
    color: #87ceeb;
    text-decoration: none;
    font-size: 11px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: color 0.3s ease;
}

.footer-extra-link:hover {
    color: #ffffff;
    text-decoration: underline;
}

/* Breadcrumb Navigation - 精简样式 */
.tech-breadcrumb {
    background: #f8fafc;
    border-bottom: 1px solid rgba(135, 206, 235, 0.15);
    padding: 12px 0;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
    display: block !important;
    visibility: visible !important;
    opacity: 1 !important;
}

.breadcrumb-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    z-index: 1;
}

.breadcrumb-list {
    display: flex;
    align-items: center;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 8px;
}

.breadcrumb-item {
    display: flex;
    align-items: center;
    color: #374151 !important;
    font-size: 15px;
    font-weight: 500;
}

.breadcrumb-item span {
    color: #374151 !important;
}

.breadcrumb-item:not(:last-child)::after {
    content: '/';
    margin: 0 8px;
    color: #9ca3af;
    font-weight: 300;
}

.breadcrumb-link {
    color: #4b5563;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 4px 8px;
    border-radius: 4px;
    transition: color 0.3s ease;
    font-weight: 500;
    font-size: 14px;
}

.breadcrumb-link:hover {
    color: #1f2937;
}

.breadcrumb-link i {
    font-size: 12px;
    opacity: 0.8;
}

.breadcrumb-item.active {
    color: #1f2937;
    font-weight: 600;
}

.breadcrumb-item.active span {
    padding: 4px 8px;
    background: rgba(135, 206, 235, 0.2);
    border-radius: 4px;
    border: 1px solid rgba(135, 206, 235, 0.4);
    color: #1f2937 !important;
}

/* Page Actions */
.page-actions {
    display: flex;
    gap: 8px;
    align-items: center;
}

.action-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: rgba(135, 206, 235, 0.15);
    border: 1px solid rgba(135, 206, 235, 0.3);
    border-radius: 6px;
    color: #4b5563;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 12px;
}

.action-btn:hover {
    background: rgba(135, 206, 235, 0.25);
    color: #1d4ed8;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.2);
}

.action-btn:active {
    transform: translateY(0);
}

/* Footer Copyright Bottom Section */
.footer-copyright-bottom {
    background: rgba(0, 0, 0, 0.3);
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    padding: 15px 0;
    margin-top: 0;
}

.copyright-bottom-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    flex-wrap: wrap;
}

.footer-bottom-center {
    display: flex;
    justify-content: center;
    flex: 1;
}

.footer-social-links {
    display: flex;
    gap: 15px;
    align-items: center;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    font-size: 14px;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.social-link:hover {
    background: rgba(255, 255, 255, 0.2);
    color: #ffffff;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.copyright-text-bottom {
    color: rgba(255, 255, 255, 0.8);
    font-size: 12px;
    font-weight: 400;
}

.footer-bottom-links {
    display: flex;
    align-items: center;
    gap: 10px;
    color: rgba(255, 255, 255, 0.8);
    font-size: 12px;
}

.footer-bottom-links strong {
    color: #ffffff;
    font-weight: 600;
}

.separator {
    color: rgba(255, 255, 255, 0.4);
}

.footer-bottom-link {
    color: #87ceeb;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.footer-bottom-link:hover {
    color: #ffffff;
    text-decoration: underline;
}

/* Contact Section */
.contact-section {
    padding-top: 0.5rem;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.contact-item {
    color: var(--text-light);
    font-size: 0.9rem;
    line-height: 1.4;
}

.contact-label {
    font-weight: 500;
    margin-right: 0.5rem;
}

.support-section {
    margin-top: 1.5rem;
}

.support-title {
    color: var(--text-light);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 0.75rem;
}

/* Social & Actions Section */
.social-actions-section {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    padding-top: 0.5rem;
}

.social-connect {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.social-title {
    color: var(--text-light);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin: 0;
}

.social-links {
    display: flex;
    gap: 0.75rem;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    color: var(--text-light);
    text-decoration: none;
    transition: all 0.3s ease;
    font-size: 0.875rem;
}

.social-link:hover {
    background: rgba(255, 255, 255, 0.2);
    color: var(--primary-color);
    transform: translateY(-2px);
}

/* Action Buttons */
.action-buttons {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.action-btn {
    padding: 0.75rem 1.5rem;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 4px;
    text-decoration: none;
    text-align: center;
    font-size: 0.875rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
}

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

.primary-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.5);
}

.secondary-btn {
    background: transparent;
    color: var(--text-light);
}

.secondary-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.5);
}

/* Partner Logos Section */
.footer-partners {
    background: rgba(255, 255, 255, 0.05);
    padding: 2rem 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.partner-logos {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 3rem;
    max-width: 1000px;
    margin: 0 auto;
}

.partner-logo {
    opacity: 0.7;
    transition: opacity 0.3s ease;
}

.partner-logo:hover {
    opacity: 1;
}

.partner-img {
    height: 40px;
    width: auto;
    filter: brightness(0) invert(1);
    opacity: 0.8;
}

.newsletter-input {
    flex: 1;
    padding: 0.75rem 1rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 0.875rem;
    transition: all 0.3s ease;
}

.newsletter-input::placeholder {
    color: var(--text-secondary);
}

.newsletter-input:focus {
    outline: none;
    border-color: rgba(255, 255, 255, 0.5);
    background: rgba(255, 255, 255, 0.08);
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.15);
}

.newsletter-btn {
    padding: 0.75rem 1rem;
    background: var(--gradient-primary);
    border: none;
    border-radius: 8px;
    color: white;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 48px;
}

.newsletter-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(107, 163, 214, 0.4);
}

.footer-bottom {
    padding: 1rem 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-secondary);
}

.footer-bottom-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 800px;
    margin: 0 auto;
}

.footer-bottom-links {
    display: flex;
    gap: 1.5rem;
}

.footer-bottom-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.875rem;
    transition: color 0.3s ease;
}

.footer-bottom-link:hover {
    color: var(--primary-color);
}

/* Back to Top */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border: none;
    border-radius: 50%;
    color: white;
    font-size: 1.25rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 1000;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.3);
}

@media (max-width: 1024px) {
    .icon-nav-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 30px;
        max-width: 600px;
    }

    .icon-circle {
        width: 70px;
        height: 70px;
    }

    .icon-circle i {
        font-size: 24px;
    }

    .footer-content-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .newsletter-section {
        max-width: 500px;
        margin: 0 auto;
    }

    .action-buttons {
        flex-direction: row;
        gap: 1rem;
    }

    .partner-logos {
        gap: 2rem;
    }

    .partner-img {
        height: 36px;
    }
}

@media (max-width: 768px) {
    .icon-nav-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
        max-width: 400px;
    }

    .social-compact-group {
        gap: 6px;
        margin-top: 12px;
        padding-top: 12px;
    }

    /* Breadcrumb Mobile */
    .tech-breadcrumb {
        padding: 12px 0;
    }

    .breadcrumb-content {
        flex-direction: column;
        gap: 12px;
        align-items: flex-start;
    }

    .breadcrumb-list {
        flex-wrap: wrap;
        gap: 6px;
    }

    .breadcrumb-item {
        font-size: 13px;
    }

    .breadcrumb-link {
        padding: 3px 6px;
        gap: 4px;
    }

    .page-actions {
        align-self: flex-end;
        gap: 6px;
    }

    .action-btn {
        width: 28px;
        height: 28px;
        font-size: 11px;
    }

    .social-compact-link {
        width: 26px;
        height: 26px;
    }

    .social-compact-svg {
        width: 12px;
        height: 12px;
    }

    .footer-content-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .newsletter-section {
        padding: 25px;
    }

    .newsletter-title {
        font-size: 16px;
    }

    .footer-links-section {
        padding-left: 0;
        text-align: center;
    }

    .link-group {
        justify-content: center;
        gap: 6px;
    }

    .address-group {
        justify-content: center;
    }

    .copyright-group {
        text-align: center;
        margin-top: 10px;
        padding-top: 10px;
    }

    .footer-extra-links {
        justify-content: center;
    }

    .copyright-bottom-content {
        flex-direction: column;
        gap: 15px;
        text-align: center;
        justify-content: center;
    }

    .footer-bottom-center {
        order: 2;
    }

    .footer-social-links {
        gap: 12px;
    }

    .social-link {
        width: 28px;
        height: 28px;
        font-size: 12px;
    }
}

@media (max-width: 480px) {
    .footer-icons {
        padding: 30px 0;
    }

    .icon-nav-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
        max-width: 300px;
    }

    .icon-circle {
        width: 60px;
        height: 60px;
    }

    .icon-circle i {
        font-size: 20px;
    }

    .icon-label {
        font-size: 10px;
    }

    .social-compact-group {
        gap: 5px;
        margin-top: 10px;
        padding-top: 10px;
    }

    /* Breadcrumb Small Mobile */
    .tech-breadcrumb {
        padding: 10px 0;
    }

    .breadcrumb-content {
        gap: 10px;
    }

    .breadcrumb-list {
        gap: 4px;
    }

    .breadcrumb-item {
        font-size: 12px;
    }

    .breadcrumb-item:not(:last-child)::after {
        margin: 0 6px;
    }

    .breadcrumb-link {
        padding: 2px 4px;
        gap: 3px;
        font-size: 12px;
    }

    .breadcrumb-link i {
        font-size: 10px;
    }

    .action-btn {
        width: 26px;
        height: 26px;
        font-size: 10px;
    }

    .social-compact-link {
        width: 24px;
        height: 24px;
    }

    .social-compact-svg {
        width: 11px;
        height: 11px;
    }

    .footer-main {
        padding: 30px 0 15px;
    }

    .newsletter-section {
        padding: 20px;
    }

    .newsletter-title {
        font-size: 14px;
        margin-bottom: 15px;
    }

    .newsletter-input-wrapper {
        flex-direction: column;
        border-radius: 4px;
    }

    .newsletter-input {
        border-radius: 4px 4px 0 0;
    }

    .newsletter-btn {
        border-radius: 0 0 4px 4px;
        padding: 15px 20px;
    }

    .footer-link {
        font-size: 10px;
    }

    .address-group {
        font-size: 10px;
        flex-direction: column;
        gap: 4px;
        text-align: center;
    }

    .copyright-text {
        font-size: 10px;
    }

    .footer-extra-link {
        font-size: 10px;
    }

    .copyright-text-bottom,
    .footer-bottom-links {
        font-size: 11px;
    }

    .footer-bottom-links {
        flex-direction: column;
        gap: 5px;
    }

    .action-buttons {
        flex-direction: column;
        gap: 0.75rem;
    }

    .newsletter-input-group {
        flex-direction: column;
        gap: 0.75rem;
    }

    .newsletter-btn {
        align-self: center;
        min-width: 120px;
    }

    .footer-bottom-content {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
        max-width: none;
    }

    .footer-bottom-links {
        justify-content: center;
        gap: 1rem;
    }

    .partner-logos {
        gap: 1.5rem;
        flex-wrap: wrap;
    }

    .partner-img {
        height: 32px;
    }
}

/* Search Overlay Styles */
.search-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(10px);
    z-index: 9999;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding-top: 120px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

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

.search-container {
    background: rgba(15, 15, 35, 0.95);
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-radius: 20px;
    padding: 2rem;
    max-width: 600px;
    width: 90%;
    position: relative;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.search-form {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
}

.search-input {
    flex: 1;
    background: rgba(0, 212, 255, 0.1);
    border: 2px solid rgba(0, 212, 255, 0.3);
    border-radius: 12px;
    padding: 1rem 1.5rem;
    color: var(--text-primary);
    font-size: 1.125rem;
    transition: all 0.3s ease;
}

.search-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(0, 212, 255, 0.1);
    background: rgba(0, 212, 255, 0.15);
}

.search-submit {
    background: var(--gradient-primary);
    border: none;
    border-radius: 12px;
    padding: 1rem 1.5rem;
    color: white;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1.125rem;
}

.search-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.3);
}

.search-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.search-close:hover {
    background: rgba(255, 255, 255, 0.2);
    color: var(--text-primary);
    transform: rotate(90deg);
}

/* Mobile Menu Styles */
.mobile-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
    z-index: 9998;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

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

.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 320px;
    height: 100vh;
    background: rgba(15, 15, 35, 0.98);
    backdrop-filter: blur(15px);
    border-left: 1px solid rgba(0, 212, 255, 0.3);
    transition: right 0.3s ease;
    z-index: 9999;
    overflow-y: auto;
}

.mobile-menu-overlay.active .mobile-menu {
    right: 0;
}

.mobile-menu-header {
    padding: 2rem 1.5rem 1rem;
    border-bottom: 1px solid rgba(0, 212, 255, 0.2);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.mobile-menu-close {
    background: rgba(255, 255, 255, 0.1);
    border: none;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.mobile-menu-close:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: rotate(90deg);
}

.mobile-nav {
    padding: 1rem 0;
}

.mobile-nav-menu {
    list-style: none;
    padding: 0;
    margin: 0;
}

.mobile-nav-link {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.5rem;
    color: var(--text-primary);
    text-decoration: none;
    transition: all 0.3s ease;
    border-left: 3px solid transparent;
}

.mobile-nav-link:hover {
    background: rgba(0, 212, 255, 0.1);
    border-left-color: var(--primary-color);
    color: var(--primary-color);
}

.mobile-menu-icon {
    font-size: 1.125rem;
    color: var(--primary-color);
}

.mobile-dropdown-arrow {
    margin-left: auto;
    font-size: 0.875rem;
    transition: transform 0.3s ease;
}

.mobile-submenu {
    list-style: none;
    padding: 0;
    margin: 0;
    background: rgba(0, 0, 0, 0.2);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.mobile-submenu.active {
    max-height: 500px;
}

.mobile-submenu-link {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.75rem 2.5rem;
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.3s ease;
    border-left: 3px solid transparent;
}

.mobile-submenu-link:hover {
    background: rgba(0, 212, 255, 0.1);
    border-left-color: var(--primary-color);
    color: var(--primary-color);
}

.mobile-submenu-icon {
    font-size: 1rem;
    color: var(--primary-color);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .contact-info {
        gap: 1rem;
    }

    .contact-item {
        padding: 0.3rem 0.6rem;
        font-size: 0.8rem;
    }
}

@media (max-width: 768px) {
    .tech-top-bar {
        padding: 8px 0;
        min-height: 44px;
        font-size: 0.8rem;
    }

    .top-bar-content {
        justify-content: space-between;
        align-items: center;
        gap: 1rem;
    }

    .contact-info {
        gap: 0.6rem;
        flex: 1;
        justify-content: flex-start;
        flex-wrap: nowrap;
        overflow: hidden;
    }

    .contact-item {
        gap: 0.3rem;
        padding: 0.2rem 0.3rem;
        font-size: 0.7rem;
        flex: 0 0 auto;
        flex-shrink: 0;
    }

    .contact-item i {
        font-size: 0.8rem;
    }

    .language-switcher {
        flex-shrink: 0;
    }

    .tech-main-header {
        padding: 0.375rem 0;
        height: 48px;
    }

    /* tech-banner移动端样式已移除 */

    .tech-nav {
        display: none;
    }

    .menu-toggle {
        display: flex;
    }

    .header-actions {
        gap: 0.5rem;
    }

    .search-btn, .menu-toggle {
        width: 36px;
        height: 36px;
        font-size: 0.875rem;
    }

    .language-menu {
        min-width: 180px;
        right: -10px;
    }

    .language-toggle {
        height: 36px;
        padding: 0.375rem 0.625rem;
        font-size: 0.7rem;
    }

    .current-flag {
        width: 18px;
        height: 13px;
    }

    .search-container {
        padding: 1.5rem;
        margin: 1rem;
    }

    .search-overlay {
        padding-top: 100px;
    }

    .mobile-menu {
        width: 280px;
    }
}

@media (max-width: 480px) {
    .tech-top-bar {
        padding: 6px 0;
        min-height: 50px;
        font-size: 0.75rem;
    }

    .top-bar-content {
        gap: 0.75rem;
    }

    .contact-info {
        gap: 0.5rem;
        flex-direction: column;
        align-items: flex-start;
        width: 100%;
    }

    .contact-item {
        padding: 0.4rem 0.8rem;
        font-size: 0.75rem;
        max-width: 100%;
        width: 100%;
        justify-content: flex-start;
    }

    .language-switcher {
        align-self: flex-start;
        margin-top: 0;
        width: 100%;
        justify-content: flex-end;
    }

    /* hero-title移动端样式已移除 */

    .section-title {
        font-size: 2rem;
    }

    .btn {
        padding: 10px 20px;
        font-size: 0.875rem;
    }

    .tech-top-bar {
        height: 28px;
        padding: 4px 0;
        font-size: 0.75rem;
    }

    .tech-main-header {
        height: 44px;
        padding: 0.25rem 0;
    }

    /* tech-banner小屏幕样式已移除 */

    .tech-logo {
        gap: 0.5rem;
        height: 32px;
    }

    .logo-text {
        font-size: 1rem;
    }

    .logo-img {
        height: 24px;
    }

    .search-btn, .menu-toggle {
        width: 32px;
        height: 32px;
        font-size: 0.75rem;
    }

    .language-menu {
        min-width: 160px;
        right: -20px;
    }

    .language-toggle {
        height: 32px;
        padding: 0.25rem 0.5rem;
        font-size: 0.65rem;
        gap: 0.25rem;
    }

    .current-flag {
        width: 16px;
        height: 12px;
    }

    .flag-icon {
        width: 20px;
        height: 15px;
    }

    .language-option {
        padding: 0.625rem 0.875rem;
        gap: 0.625rem;
    }

    .lang-code {
        font-size: 0.8rem;
    }

    .lang-name {
        font-size: 0.7rem;
    }

    .search-container {
        padding: 1rem;
    }

    .search-overlay {
        padding-top: 80px;
    }

    .mobile-menu {
        width: 100%;
    }
}

/* 全局移除背景方格样式 */
.tech-grid-bg,
.grid-pattern,
.dot-pattern,
.geometric-bg,
.grid-bg,
.pattern-bg,
.square-pattern,
.checkerboard-pattern {
    display: none !important;
    background: none !important;
    background-image: none !important;
}

/* 移除所有可能的方格背景图案 */
*::before,
*::after {
    background-image: none !important;
}

/* 特别移除Footer的方格背景 */
.tech-footer::before,
.tech-footer::after {
    background: none !important;
    background-image: none !important;
    display: none !important;
}

/* 移除任何SVG方格背景 */
[style*="data:image/svg+xml"] {
    background-image: none !important;
}

/* 移除任何包含grid、pattern、dot的背景 */
[class*="grid"]::before,
[class*="grid"]::after,
[class*="pattern"]::before,
[class*="pattern"]::after,
[class*="dot"]::before,
[class*="dot"]::after {
    background: none !important;
    background-image: none !important;
    display: none !important;
}