/**
 * 烽云科技官网 - 科技感浅色主题样式
 * Author: Bruce (ID: 19314067)
 * Design System: Modern Blue + Clean Light
 * Primary: #2563EB, Background: #FFFFFF, Accent: #0EA5E9
 */

/* ==================== CSS 变量定义 ==================== */
::root {
    /* 主色调 - 蓝色系 */
    --primary: #2563EB;
    --primary-light: #3B82F6;
    --primary-dark: #1D4ED8;
    
    /* 强调色 */
    --accent-cyan: #0EA5E9;
    --accent-green: #10B981;
    --accent-pink: #EC4899;
    --accent-purple: #8B5CF6;
    
    /* 背景色 - 浅色系 */
    --bg-dark: #FFFFFF;
    --bg-dark-light: #F8FAFC;
    --bg-card: #FFFFFF;
    --bg-glass: rgba(37, 99, 235, 0.05);
    
    /* 文字色 - 深色 */
    --text-primary: #1E293B;
    --text-secondary: #475569;
    --text-muted: #94A3B8;
    
    /* 边框 */
    --border-color: #E2E8F0;
    --border-glow: rgba(37, 99, 235, 0.3);
    
    /* 字体 - 使用系统字体栈，避免国外 CDN */
    --font-display: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    --font-mono: 'SF Mono', Monaco, Consolas, 'Courier New', 'PingFang SC', 'Microsoft YaHei', monospace;
    --font-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    
    /* 间距 */
    --section-padding: 120px;
    --container-max: 1280px;
    
    /* 过渡 */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* 圆角 */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 30px;
    
    /* 阴影 */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
}

/* ==================== 基础重置 ==================== */
*, *::before, *::after {
    box-sizing: border-box;
}

body {
    font-family: var(--font-body);
    background-color: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* 隐藏原主题内容 */
.main {
    display: none;
}

/* ==================== 科技感导航栏 ==================== */
.tech-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 24px;
    transition: all var(--transition-normal);
    background: transparent;
}

.tech-header.header-scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    padding: 12px 24px;
    box-shadow: var(--shadow-sm);
}

.tech-header.header-hidden {
    transform: translateY(-100%);
}

.header-container {
    max-width: var(--container-max);
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
}

/* Logo */
.tech-logo a {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.logo-icon {
    width: 40px;
    height: 40px;
    flex-shrink: 0;
}

.logo-icon svg {
    width: 100%;
    height: 100%;
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.logo-brand {
    font-family: var(--font-display);
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.2;
}

.logo-slogan {
    font-family: var(--font-mono);
    font-size: 10px;
    color: var(--primary);
    letter-spacing: 2px;
}

/* 导航菜单 */
.tech-nav {
    flex: 1;
    display: flex;
    justify-content: center;
}

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

.nav-item {
    position: relative;
}

/* 导航链接样式 */
.nav-item .nav-link,
a.nav-link {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 10px 16px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.nav-item .nav-link:hover,
a.nav-link:hover {
    color: var(--primary);
    background: var(--bg-glass);
}

.nav-item.active .nav-link {
    color: var(--primary);
    background: rgba(37, 99, 235, 0.1);
}

.nav-arrow {
    width: 16px;
    height: 16px;
    transition: transform var(--transition-fast);
}

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

/* 下拉菜单 */
.nav-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    width: max-content;
    padding-top: 8px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-normal);
}

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

/* ==================== 多级下拉菜单样式 ==================== */
.dropdown-inner {
    display: flex;
    min-width: 0;
    max-width: 1200px;
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
}

/* 有三级菜单时的宽度设置 */
.dropdown-inner:has(.dropdown-level3) {
    min-width: 780px;
}

/* 左侧二级菜单 - 恢复原来简洁样式 */
.dropdown-level2 {
    flex: 0 0 180px;
    padding: 8px;
    background: rgba(255, 255, 255, 0.3);
}

.dropdown-level2 .dropdown-item {
    display: block;
    padding: 12px 16px;
    font-size: 14px;
    color: var(--text-primary);
    text-decoration: none;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    cursor: pointer;
}

.dropdown-level2 .dropdown-item:hover {
    color: var(--primary);
    background: var(--bg-glass);
}

/* 右侧三级菜单容器 - 平铺展示 */
.dropdown-level3 {
    flex: 1;
    min-width: 600px;
    padding: 20px;
    background: var(--bg-card);
}

/* 三级菜单网格布局 */
.mega-menu-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 20px;
}

.submenu-panel {
    display: flex;
    flex-direction: column;
}

.submenu-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    padding-bottom: 8px;
    margin-bottom: 12px;
    border-bottom: 1px solid var(--border-color);
}

.submenu-panel {
    display: flex;
    flex-direction: column;
}

.submenu-panel:not(:first-child) {
    margin-top: 16px;
}

.submenu-list {
    display: flex;
    flex-wrap: nowrap;
    gap: 0;
}

.submenu-item {
    display: inline-block;
    padding: 4px 0;
    font-size: 13px;
    color: var(--text-secondary);
    text-decoration: none;
    transition: all var(--transition-fast);
    cursor: pointer;
    white-space: nowrap;
}

.submenu-item:hover {
    color: var(--primary);
}

.submenu-item:not(:last-child)::after {
    content: "|";
    margin: 0 12px;
    color: var(--border-color);
}

.dropdown-item {
    display: block;
    padding: 12px 16px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.dropdown-item:hover {
    color: var(--primary);
    background: var(--bg-glass);
}

/* 头部操作区 */
.header-actions {
    display: flex;
    align-items: center;
    gap: 20px;
}

.header-phone {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    transition: color var(--transition-fast);
}

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

.phone-icon {
    width: 18px;
    height: 18px;
}

.header-cta {
    display: inline-flex;
    align-items: center;
    padding: 10px 24px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    border-radius: 100px;
    transition: all var(--transition-normal);
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3);
}

.header-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.4);
}

/* 移动端菜单按钮 */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
    background: transparent;
    border: none;
    cursor: pointer;
}

.mobile-menu-btn span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all var(--transition-fast);
}

.mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* 移动端侧边栏 */
.mobile-sidebar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 9999;
    visibility: hidden;
    opacity: 0;
    transition: all var(--transition-normal);
}

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

.sidebar-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(4px);
}

.sidebar-content {
    position: absolute;
    top: 0;
    right: 0;
    width: 320px;
    max-width: 90vw;
    height: 100%;
    background: var(--bg-card);
    border-left: 1px solid var(--border-color);
    transform: translateX(100%);
    transition: transform var(--transition-normal);
    display: flex;
    flex-direction: column;
}

.mobile-sidebar.active .sidebar-content {
    transform: translateX(0);
}

.sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
}

.sidebar-close {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.sidebar-close:hover {
    background: rgba(37, 99, 235, 0.1);
    border-color: var(--primary);
}

.sidebar-close svg {
    width: 24px;
    height: 24px;
}

.sidebar-nav {
    flex: 1;
    overflow-y: auto;
    padding: 16px;
}

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

.sidebar-item {
    border-bottom: 1px solid var(--border-color);
}

.sidebar-link {
    display: block;
    padding: 16px 0;
    color: var(--text-primary);
    text-decoration: none;
    font-size: 16px;
    font-weight: 500;
    transition: color var(--transition-fast);
}

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

.sidebar-submenu {
    list-style: none;
    margin: 0;
    padding: 0 0 16px 16px;
}

.sidebar-submenu li a {
    display: block;
    padding: 10px 0;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    transition: color var(--transition-fast);
}

.sidebar-submenu li a:hover {
    color: var(--primary);
}

.sidebar-footer {
    padding: 20px 24px;
    border-top: 1px solid var(--border-color);
}

.sidebar-phone {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px;
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--primary);
    text-decoration: none;
    font-size: 16px;
    font-weight: 600;
    transition: all var(--transition-fast);
}

.sidebar-phone:hover {
    background: rgba(37, 99, 235, 0.1);
    border-color: var(--primary);
}

.sidebar-phone svg {
    width: 20px;
    height: 20px;
}

/* 移动端联系电话 */
.sidebar-footer .sidebar-phone {
    font-size: 18px;
    font-weight: 600;
    color: #dc2626;
    text-align: center;
    padding: 12px;
    background: #fef2f2;
    border-radius: var(--radius-md);
}

/* ==================== HERO SECTION ==================== */
.tech-hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    background: linear-gradient(135deg, #F8FAFC 0%, #FFFFFF 50%, #F1F5F9 100%);
}

/* 网格背景 */
.grid-background {
    position: absolute;
    inset: 0;
    overflow: hidden;
    opacity: 0.3;
}

.grid-line {
    position: absolute;
    background: linear-gradient(90deg, transparent, var(--primary), transparent);
    height: 1px;
    width: 100%;
    animation: gridMove 8s linear infinite;
}

.grid-line:nth-child(1) { top: 20%; animation-delay: 0s; }
.grid-line:nth-child(2) { top: 40%; animation-delay: 2s; }
.grid-line:nth-child(3) { top: 60%; animation-delay: 4s; }
.grid-line:nth-child(4) { top: 80%; animation-delay: 6s; }

@keyframes gridMove {
    0% { transform: translateX(-100%); opacity: 0; }
    50% { opacity: 0.5; }
    100% { transform: translateX(100%); opacity: 0; }
}

/* 浮动粒子 */
.floating-particles {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.floating-particles span {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--primary);
    border-radius: 50%;
    opacity: 0;
    animation: float 15s linear infinite;
}

.floating-particles span:nth-child(1) { left: 10%; top: 100%; animation-delay: 0s; }
.floating-particles span:nth-child(2) { left: 20%; top: 100%; animation-delay: 2s; background: var(--accent-cyan); }
.floating-particles span:nth-child(3) { left: 35%; top: 100%; animation-delay: 4s; }
.floating-particles span:nth-child(4) { left: 50%; top: 100%; animation-delay: 1s; background: var(--accent-green); }
.floating-particles span:nth-child(5) { left: 65%; top: 100%; animation-delay: 3s; }
.floating-particles span:nth-child(6) { left: 75%; top: 100%; animation-delay: 5s; background: var(--accent-purple); }
.floating-particles span:nth-child(7) { left: 85%; top: 100%; animation-delay: 2.5s; }
.floating-particles span:nth-child(8) { left: 95%; top: 100%; animation-delay: 1.5s; }

@keyframes float {
    0% { transform: translateY(0) scale(0); opacity: 0; }
    10% { opacity: 0.6; }
    90% { opacity: 0.6; }
    100% { transform: translateY(-100vh) scale(1); opacity: 0; }
}

/* 光晕效果 */
.glow-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.15;
    animation: glowPulse 4s ease-in-out infinite;
}

.glow-1 {
    width: 600px;
    height: 600px;
    background: var(--primary);
    top: -200px;
    right: -100px;
}

.glow-2 {
    width: 400px;
    height: 400px;
    background: var(--accent-cyan);
    bottom: -100px;
    left: -100px;
    animation-delay: 2s;
}

@keyframes glowPulse {
    0%, 100% { transform: scale(1); opacity: 0.15; }
    50% { transform: scale(1.1); opacity: 0.25; }
}

/* Hero 容器 */
.hero-container {
    position: relative;
    z-index: 2;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 100px 24px 60px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

/* Hero 内容 */
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: rgba(37, 99, 235, 0.1);
    border: 1px solid rgba(37, 99, 235, 0.2);
    border-radius: 100px;
    font-size: 14px;
    color: var(--primary);
    margin-bottom: 24px;
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--accent-green);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.hero-title {
    font-family: var(--font-display);
    font-size: 52px;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 24px;
    color: var(--text-primary);
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent-cyan) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 40px;
}

/* Hero 统计 */
.hero-stats {
    display: flex;
    gap: 40px;
    margin-bottom: 40px;
}

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

.stat-number, .stat-suffix {
    font-family: var(--font-mono);
    font-size: 36px;
    font-weight: 700;
    color: var(--primary);
    line-height: 1;
}

.stat-label {
    font-size: 14px;
    color: var(--text-muted);
    margin-top: 8px;
}

/* Hero 按钮 */
.hero-actions {
    display: flex;
    gap: 16px;
}

.btn-primary, .btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 16px 32px;
    border-radius: var(--radius-md);
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    transition: all var(--transition-normal);
    cursor: pointer;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    border: none;
    box-shadow: 0 4px 20px rgba(37, 99, 235, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(37, 99, 235, 0.4);
}

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

.btn-secondary:hover {
    background: var(--bg-glass);
    border-color: var(--primary);
    color: var(--primary);
}

.btn-icon {
    width: 20px;
    height: 20px;
    transition: transform var(--transition-fast);
}

.btn-primary:hover .btn-icon {
    transform: translateX(4px);
}

.btn-large {
    padding: 18px 40px;
    font-size: 18px;
}

/* Hero 视觉效果 */
.hero-visual {
    position: relative;
    height: 500px;
}

.tech-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 24px;
    position: absolute;
    box-shadow: var(--shadow-lg);
}

.main-card {
    width: 320px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 2;
}

.card-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-color);
}

.status-indicator {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--accent-green);
    animation: statusPulse 2s ease-in-out infinite;
}

@keyframes statusPulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.4); }
    50% { box-shadow: 0 0 0 10px rgba(16, 185, 129, 0); }
}

.card-header span {
    font-size: 14px;
    color: var(--text-secondary);
}

.metric-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.metric-label {
    font-size: 14px;
    color: var(--text-muted);
}

.metric-value {
    font-family: var(--font-mono);
    font-size: 16px;
    color: var(--primary);
}

.progress-bar {
    height: 6px;
    background: #E2E8F0;
    border-radius: 3px;
    overflow: hidden;
    margin-bottom: 20px;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--accent-cyan));
    border-radius: 3px;
    animation: progressFill 2s ease-out;
}

@keyframes progressFill {
    from { width: 0; }
}

.card-decoration {
    position: absolute;
    top: -1px;
    left: -1px;
    right: -1px;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--accent-cyan), var(--primary));
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

/* 浮动卡片 */
.floating-card {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    animation: floatCard 3s ease-in-out infinite;
    box-shadow: var(--shadow-md);
}

.card-1 {
    top: 20%;
    right: 0;
    animation-delay: 0s;
}

.card-2 {
    bottom: 20%;
    left: 0;
    animation-delay: 1.5s;
}

@keyframes floatCard {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.card-icon {
    width: 24px;
    height: 24px;
    color: var(--primary);
}

.floating-card span {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
}

/* 滚动提示 */
.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    opacity: 0.6;
}

.mouse {
    width: 26px;
    height: 40px;
    border: 2px solid var(--text-muted);
    border-radius: 13px;
    display: flex;
    justify-content: center;
    padding-top: 8px;
}

.wheel {
    width: 4px;
    height: 8px;
    background: var(--text-muted);
    border-radius: 2px;
    animation: scrollWheel 2s ease-in-out infinite;
}

@keyframes scrollWheel {
    0%, 100% { transform: translateY(0); opacity: 1; }
    50% { transform: translateY(8px); opacity: 0.3; }
}

.scroll-indicator span {
    font-size: 12px;
    color: var(--text-muted);
}

/* ==================== 通用区域样式 ==================== */
.tech-section {
    position: relative;
    padding: var(--section-padding) 24px;
}

.section-container {
    max-width: var(--container-max);
    margin: 0 auto;
}

.section-header {
    margin-bottom: 60px;
}

.section-header.center {
    text-align: center;
}

.section-header.flex {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
}

.section-tag {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 14px;
    color: var(--primary);
    letter-spacing: 2px;
    margin-bottom: 16px;
}

.section-title {
    font-family: var(--font-display);
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 16px;
    line-height: 1.3;
    color: var(--text-primary);
}

.section-desc {
    font-size: 18px;
    color: var(--text-secondary);
    max-width: 600px;
}

.section-header.center .section-desc {
    margin: 0 auto;
}

.view-all-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--primary);
    text-decoration: none;
    font-weight: 500;
    transition: all var(--transition-fast);
}

.view-all-link:hover {
    color: var(--primary-dark);
    gap: 12px;
}

.view-all-link svg {
    width: 20px;
    height: 20px;
}

/* ==================== 产品区域 ==================== */
.products-section {
    background: var(--bg-dark-light);
}

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

.product-card {
    position: relative;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 32px;
    transition: all var(--transition-normal);
    overflow: hidden;
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--accent-cyan));
    transform: scaleX(0);
    transition: transform var(--transition-normal);
}

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

.product-card:hover::before {
    transform: scaleX(1);
}

.card-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 200px;
    height: 200px;
    background: var(--primary);
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0;
    transform: translate(-50%, -50%);
    transition: opacity var(--transition-normal);
}

.product-card:hover .card-glow {
    opacity: 0.05;
}

.featured-badge {
    position: absolute;
    top: 16px;
    right: 16px;
    padding: 4px 12px;
    background: linear-gradient(135deg, var(--accent-pink), var(--accent-purple));
    border-radius: 100px;
    font-size: 12px;
    font-weight: 600;
    color: white;
}

.product-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(37, 99, 235, 0.1);
    border: 1px solid rgba(37, 99, 235, 0.15);
    border-radius: var(--radius-md);
    margin-bottom: 24px;
    transition: all var(--transition-normal);
}

.product-icon svg {
    width: 32px;
    height: 32px;
    color: var(--primary);
    transition: all var(--transition-normal);
}

.product-card:hover .product-icon {
    background: rgba(37, 99, 235, 0.15);
    border-color: var(--primary);
}

.product-card:hover .product-icon svg {
    color: var(--primary-dark);
}

.product-card h3 {
    font-family: var(--font-display);
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.product-card p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 24px;
}

.card-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--primary);
    text-decoration: none;
    font-weight: 500;
    transition: all var(--transition-fast);
}

.card-link:hover {
    color: var(--primary-dark);
    gap: 12px;
}

.card-link svg {
    width: 16px;
    height: 16px;
    transition: transform var(--transition-fast);
}

/* ==================== 优势区域 ==================== */
.advantages-section {
    background: var(--bg-dark);
    overflow: hidden;
}

.section-bg-pattern {
    position: absolute;
    inset: 0;
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(37, 99, 235, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(14, 165, 233, 0.03) 0%, transparent 50%);
    pointer-events: none;
}

.advantages-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.advantages-list {
    display: flex;
    flex-direction: column;
    gap: 24px;
    margin-top: 40px;
}

.advantage-item {
    display: flex;
    gap: 20px;
    padding: 20px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
}

.advantage-item:hover {
    background: rgba(37, 99, 235, 0.03);
    border-color: var(--border-glow);
    transform: translateX(8px);
}

.advantage-icon {
    width: 48px;
    height: 48px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.1), rgba(14, 165, 233, 0.1));
    border-radius: var(--radius-sm);
}

.advantage-icon svg {
    width: 24px;
    height: 24px;
    color: var(--primary);
}

.advantage-text h4 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--text-primary);
}

.advantage-text p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* 视觉动画 */
.advantages-visual {
    display: flex;
    align-items: center;
    justify-content: center;
}

.visual-container {
    position: relative;
    width: 400px;
    height: 400px;
}

.tech-circle {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 200px;
    height: 200px;
    transform: translate(-50%, -50%);
    background: radial-gradient(circle, rgba(37, 99, 235, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.tech-ring {
    position: absolute;
    top: 50%;
    left: 50%;
    border: 1px solid rgba(37, 99, 235, 0.15);
    border-radius: 50%;
    transform: translate(-50%, -50%);
}

.ring-1 {
    width: 250px;
    height: 250px;
    animation: rotate 20s linear infinite;
}

.ring-2 {
    width: 320px;
    height: 320px;
    border-color: rgba(14, 165, 233, 0.1);
    animation: rotate 25s linear infinite reverse;
}

.ring-3 {
    width: 380px;
    height: 380px;
    border-color: rgba(139, 92, 246, 0.08);
    animation: rotate 30s linear infinite;
}

@keyframes rotate {
    from { transform: translate(-50%, -50%) rotate(0deg); }
    to { transform: translate(-50%, -50%) rotate(360deg); }
}

.center-icon {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-radius: var(--radius-lg);
    box-shadow: 0 0 40px rgba(37, 99, 235, 0.3);
}

.center-icon svg {
    width: 40px;
    height: 40px;
    color: white;
}

.orbit-node {
    position: absolute;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    font-size: 12px;
    font-weight: 600;
    color: var(--primary);
    box-shadow: var(--shadow-md);
}

.node-1 {
    top: 10%;
    left: 50%;
    transform: translateX(-50%);
    animation: orbit1 15s ease-in-out infinite;
}

.node-2 {
    bottom: 20%;
    left: 10%;
    animation: orbit2 15s ease-in-out infinite;
}

.node-3 {
    bottom: 20%;
    right: 10%;
    animation: orbit3 15s ease-in-out infinite;
}

@keyframes orbit1 {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(-10px); }
}

@keyframes orbit2 {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(-10px, 10px); }
}

@keyframes orbit3 {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(10px, 10px); }
}

/* ==================== 资源分布 ==================== */
.resources-section {
    background: var(--bg-dark-light);
}

.resources-map {
    position: relative;
}

.map-container {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.map-image {
    width: 100%;
    height: auto;
    display: block;
}

.map-overlay {
    position: absolute;
    inset: 0;
}

.region-point {
    position: absolute;
    display: flex;
    flex-direction: column;
    align-items: center;
    cursor: pointer;
}

.point-pulse {
    width: 16px;
    height: 16px;
    background: var(--primary);
    border-radius: 50%;
    position: relative;
}

.point-pulse::before,
.point-pulse::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 100%;
    height: 100%;
    background: var(--primary);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    animation: pointPulse 2s ease-out infinite;
}

.point-pulse::after {
    animation-delay: 1s;
}

@keyframes pointPulse {
    0% { transform: translate(-50%, -50%) scale(1); opacity: 0.8; }
    100% { transform: translate(-50%, -50%) scale(3); opacity: 0; }
}

.point-label {
    margin-top: 8px;
    padding: 4px 12px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 100px;
    font-size: 12px;
    font-weight: 500;
    white-space: nowrap;
    opacity: 0;
    transform: translateY(-10px);
    transition: all var(--transition-normal);
    color: var(--text-primary);
    box-shadow: var(--shadow-md);
}

.region-point:hover .point-label {
    opacity: 1;
    transform: translateY(0);
}

.map-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 32px;
}

.map-stat-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 24px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
}

.map-stat-item:hover {
    background: rgba(37, 99, 235, 0.03);
    border-color: var(--border-glow);
}

.stat-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(37, 99, 235, 0.1);
    border-radius: var(--radius-sm);
}

.stat-icon svg {
    width: 24px;
    height: 24px;
    color: var(--primary);
}

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

.stat-value {
    font-family: var(--font-mono);
    font-size: 28px;
    font-weight: 700;
    color: var(--primary);
}

.stat-name {
    font-size: 14px;
    color: var(--text-muted);
}

/* ==================== 新闻区域 ==================== */
.news-section {
    background: var(--bg-dark);
}

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

.news-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-normal);
}

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

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

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

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

.news-date {
    position: absolute;
    top: 16px;
    left: 16px;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 12px 16px;
    background: var(--primary);
    border-radius: var(--radius-sm);
    color: white;
}

.day {
    font-family: var(--font-mono);
    font-size: 24px;
    font-weight: 700;
    line-height: 1;
}

.month {
    font-size: 12px;
    text-transform: uppercase;
    opacity: 0.8;
}

.news-content {
    padding: 24px;
}

.news-category {
    display: inline-block;
    padding: 4px 12px;
    background: rgba(37, 99, 235, 0.1);
    border: 1px solid rgba(37, 99, 235, 0.15);
    border-radius: 100px;
    font-size: 12px;
    color: var(--primary);
    margin-bottom: 12px;
}

.news-title {
    font-size: 18px;
    font-weight: 600;
    line-height: 1.5;
    margin-bottom: 12px;
}

.news-card > a {
    text-decoration: none;
}

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

.news-excerpt {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 20px;
}

.read-more {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--primary);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: all var(--transition-fast);
}

.read-more:hover {
    color: var(--primary-dark);
    gap: 12px;
}

.read-more svg {
    width: 16px;
    height: 16px;
}

/* ==================== 合作伙伴 ==================== */
.partners-section {
    background: var(--bg-dark-light);
}

.partners-marquee {
    overflow: hidden;
    mask-image: linear-gradient(90deg, transparent, black 10%, black 90%, transparent);
    -webkit-mask-image: linear-gradient(90deg, transparent, black 10%, black 90%, transparent);
}

.marquee-track {
    display: flex;
    gap: 40px;
    animation: marquee 30s linear infinite;
}

.marquee-track:hover {
    animation-play-state: paused;
}

@keyframes marquee {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

.partner-logo {
    flex-shrink: 0;
    width: 160px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 20px;
    filter: grayscale(100%);
    transition: all var(--transition-normal);
}

.partner-logo:hover {
    filter: grayscale(0%);
    border-color: var(--border-glow);
    background: rgba(37, 99, 235, 0.03);
}

.partner-logo img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

/* ==================== CTA区域 ==================== */
.cta-section {
    position: relative;
    padding: 100px 24px;
    overflow: hidden;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.05) 0%, rgba(14, 165, 233, 0.03) 100%);
}

.cta-bg {
    position: absolute;
    inset: 0;
}

.cta-grid {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(37, 99, 235, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(37, 99, 235, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
}

.cta-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 600px;
    height: 600px;
    background: var(--primary);
    border-radius: 50%;
    filter: blur(150px);
    opacity: 0.08;
    transform: translate(-50%, -50%);
}

.cta-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.cta-title {
    font-family: var(--font-display);
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.cta-desc {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 40px;
}

.cta-actions {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
}

.cta-contact {
    display: flex;
    align-items: center;
    gap: 12px;
}

.contact-label {
    color: var(--text-muted);
}

.contact-phone {
    font-family: var(--font-mono);
    font-size: 24px;
    font-weight: 700;
    color: var(--primary);
    text-decoration: none;
    transition: all var(--transition-fast);
}

.contact-phone:hover {
    color: var(--primary-dark);
}

/* ==================== 底部联系条 ==================== */
.contact-bar {
    background: var(--bg-dark-light);
    border-top: 1px solid var(--border-color);
    padding: 24px;
}

.contact-bar-container {
    max-width: var(--container-max);
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
}

.contact-bar-item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 14px;
    color: var(--text-secondary);
}

.contact-icon {
    width: 20px;
    height: 20px;
    color: var(--primary);
}

.contact-bar-divider {
    width: 1px;
    height: 24px;
    background: var(--border-color);
}

/* ==================== 科技感底部 ==================== */
.tech-footer {
    position: relative;
    background: var(--bg-dark);
    padding: 80px 24px 40px;
    overflow: hidden;
    border-top: 1px solid var(--border-color);
}

.footer-bg {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.footer-grid {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(37, 99, 235, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(37, 99, 235, 0.02) 1px, transparent 1px);
    background-size: 50px 50px;
}

.footer-glow {
    position: absolute;
    bottom: -200px;
    left: 50%;
    width: 600px;
    height: 400px;
    background: var(--primary);
    border-radius: 50%;
    filter: blur(150px);
    opacity: 0.05;
    transform: translateX(-50%);
}

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

.footer-main {
    display: grid;
    grid-template-columns: 1.2fr 2fr;
    gap: 80px;
    padding-bottom: 60px;
    border-bottom: 1px solid var(--border-color);
}

/* 品牌区域 */
.footer-brand {
    max-width: 360px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 24px;
}

.footer-logo .logo-icon {
    width: 48px;
    height: 48px;
}

.footer-brand-name {
    font-family: var(--font-display);
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
    display: block;
    line-height: 1.2;
}

.footer-brand-slogan {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--primary);
    letter-spacing: 2px;
}

.footer-desc {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 32px;
}

.footer-contact {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.footer-contact .contact-item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 14px;
    color: var(--text-secondary);
}

.footer-contact .contact-icon {
    width: 18px;
    height: 18px;
    color: var(--primary);
    flex-shrink: 0;
}

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

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

.link-title {
    font-family: var(--font-display);
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 24px;
}

.link-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.link-list li a {
    font-size: 14px;
    color: var(--text-secondary);
    text-decoration: none;
    transition: all var(--transition-fast);
    display: inline-block;
}

.link-list li a:hover {
    color: var(--primary);
    transform: translateX(4px);
}

/* 友情链接 */
.footer-friends {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 32px 0;
    border-bottom: 1px solid var(--border-color);
    flex-wrap: wrap;
}

.friends-label {
    font-size: 14px;
    color: var(--text-muted);
    flex-shrink: 0;
}

.friends-list {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
}

.friends-list a {
    font-size: 14px;
    color: var(--text-secondary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

/* 底部版权 */
.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 32px;
}

.footer-copyright {
    font-size: 14px;
    color: var(--text-muted);
}

.footer-copyright p {
    margin: 0;
    line-height: 1.8;
}

.footer-icp {
    margin-top: 8px;
}

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

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

.footer-icp .divider {
    margin: 0 12px;
    opacity: 0.5;
}

.backtop-btn {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-normal);
}

.backtop-btn:hover {
    background: rgba(37, 99, 235, 0.1);
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-4px);
}

.backtop-btn svg {
    width: 20px;
    height: 20px;
}

/* ==================== 在线客服 ==================== */
.tech-customer {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 9998;
}

.customer-trigger {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 14px 20px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    border-radius: 100px;
    color: white;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    box-shadow: 0 4px 20px rgba(37, 99, 235, 0.3);
    transition: all var(--transition-normal);
}

.customer-trigger:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 30px rgba(37, 99, 235, 0.4);
}

.trigger-icon {
    width: 20px;
    height: 20px;
}

.customer-panel {
    position: absolute;
    bottom: 70px;
    right: 0;
    width: 280px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all var(--transition-normal);
}

.customer-panel.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
}

.panel-header h4 {
    font-family: var(--font-display);
    font-size: 16px;
    font-weight: 600;
    margin: 0;
    color: var(--text-primary);
}

.panel-close {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.panel-close:hover {
    background: rgba(37, 99, 235, 0.1);
    border-color: var(--primary);
    color: var(--primary);
}

.panel-close svg {
    width: 18px;
    height: 18px;
}

.panel-body {
    padding: 16px;
}

.customer-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
}

.customer-avatar {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(37, 99, 235, 0.1);
    border-radius: 50%;
}

.customer-avatar svg {
    width: 20px;
    height: 20px;
    color: var(--primary);
}

.customer-info {
    display: flex;
    flex-direction: column;
    flex: 1;
}

.customer-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
}

.customer-status {
    font-size: 12px;
    color: var(--text-muted);
}

.customer-status.online {
    color: var(--accent-green);
}

.customer-btn {
    padding: 8px 16px;
    background: var(--primary);
    border-radius: var(--radius-sm);
    color: white;
    font-size: 12px;
    font-weight: 600;
    text-decoration: none;
    transition: all var(--transition-fast);
}

.customer-btn:hover {
    background: var(--primary-light);
}

/* ==================== 响应式设计 ==================== */
@media (max-width: 1200px) {
    .hero-container {
        gap: 40px;
    }
    
    .hero-title {
        font-size: 44px;
    }
    
    .advantages-layout {
        gap: 60px;
    }
    
    .tech-nav {
        display: none;
    }
    
    .header-phone {
        display: none;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
}

@media (max-width: 992px) {
    .tech-header {
        padding: 12px 20px;
    }
    
    .header-cta {
        display: none;
    }
    
    /* 底部响应式 */
    .footer-main {
        grid-template-columns: 1fr;
        gap: 60px;
    }
    
    .footer-links {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 992px) {
    :root {
        --section-padding: 80px;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-visual {
        display: none;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .hero-actions {
        justify-content: center;
    }
    
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .advantages-layout {
        grid-template-columns: 1fr;
    }
    
    .advantages-visual {
        order: -1;
    }
    
    .visual-container {
        width: 300px;
        height: 300px;
    }
    
    .news-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .section-title {
        font-size: 36px;
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 36px;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 24px;
    }
    
    .hero-actions {
        flex-direction: column;
    }
    
    .btn-primary, .btn-secondary {
        width: 100%;
        justify-content: center;
    }
    
    .products-grid,
    .news-grid {
        grid-template-columns: 1fr;
    }
    
    .map-stats {
        grid-template-columns: 1fr;
    }
    
    .section-header.flex {
        flex-direction: column;
        align-items: flex-start;
        gap: 20px;
    }
    
    .section-title {
        font-size: 28px;
    }
    
    .cta-title {
        font-size: 32px;
    }
    
    .contact-bar-container {
        flex-direction: column;
        gap: 16px;
    }
    
    .contact-bar-divider {
        display: none;
    }
    
    /* 底部响应式 */
    .tech-footer {
        padding: 60px 20px 30px;
    }
    
    .footer-main {
        grid-template-columns: 1fr;
        gap: 50px;
        padding-bottom: 40px;
    }
    
    .footer-brand {
        max-width: 100%;
        text-align: center;
    }
    
    .footer-logo {
        justify-content: center;
    }
    
    .footer-contact .contact-item {
        justify-content: center;
    }
    
    .footer-links {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }
    
    .link-group {
        text-align: center;
    }
    
    .link-list {
        align-items: center;
    }
    
    .footer-friends {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
    
    .tech-customer {
        bottom: 20px;
        right: 20px;
    }
    
    .customer-trigger {
        padding: 12px 16px;
    }
    
    .trigger-text {
        display: none;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 28px;
    }
    
    .hero-subtitle {
        font-size: 16px;
    }
    
    .stat-number, .stat-suffix {
        font-size: 28px;
    }
    
    .section-title {
        font-size: 24px;
    }
    
    .cta-title {
        font-size: 26px;
    }
}

/* ==================== 减少动画偏好 ==================== */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .marquee-track {
        animation: none;
    }
}

/* ==================== 打印样式 ==================== */
@media print {
    .tech-hero,
    .scroll-indicator,
    .contact-bar {
        display: none;
    }
    
    .tech-section {
        padding: 40px 0;
    }
}