/* ========================================
   汉的智家 - 极简大气设计
   ======================================== */

:root {
    /* --- 核心主色体系 (基于 #0075C2) --- */
    --primary: #0075C2;       /* 主色：标准科技蓝 */
    --primary-dark: #005A96;  /* 深色：用于Hover状态或深层背景，增加稳重感 */
    --primary-light: #339AD6; /* 浅色：用于高亮、选中态或浅色背景，更通透 */
    
    /* --- 辅助/强调色 --- */
    --accent: #F97316;        /* 强调色：保持原有的活力橙，与蓝色形成良好互补 */
    
    /* --- 基础背景与文字 --- */
    --white: #ffffff;
    --bg-light: #F0F7FF;      /* 极浅蓝灰背景：比纯灰更贴合主色氛围，减少冷硬感 */
    --bg-gray: #E6EFF7;       /* 浅蓝灰背景：用于卡片底色或分割区域 */
    --bg-dark: #0F172A;       /* 深色背景：保持深蓝黑，确保对比度 */
    
    --text-dark: #0F172A;     /* 最深文字：用于标题 */
    --text-main: #1E293B;     /* 主要文字：正文内容 */
    --text-secondary: #475569;/* 次要文字：说明性文字，稍微加深以提高可读性 */
    --text-muted: #94A3B8;    /* 弱化文字：占位符或非重要信息 */
    
    --border: #D6E4F0;        /* 边框色：带有轻微蓝色调的浅灰，比纯灰更柔和 */

    /* --- 渐变效果 --- */
    /* 主色渐变：从标准蓝到深蓝海，体现层次感 */
    --gradient-blue: linear-gradient(135deg, #0075C2 0%, #005A96 100%);
    
    /* 英雄区渐变：保持原有的深色遮罩逻辑，适配深色背景 */
    --gradient-hero: linear-gradient(135deg, rgba(15, 23, 42, 0.8) 0%, rgba(15, 23, 42, 0.4) 100%);

    /* --- 阴影体系 (微调为带轻微蓝色调的阴影，更干净) --- */
    --shadow-sm: 0 2px 8px rgba(0, 117, 194, 0.04);
    --shadow-md: 0 8px 24px rgba(0, 117, 194, 0.06);
    --shadow-lg: 0 16px 48px rgba(0, 117, 194, 0.08);
    --shadow-xl: 0 24px 64px rgba(0, 117, 194, 0.1);

    /* --- 其他配置 --- */
    --font: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
    --container: 1558px;
}


*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: var(--font); color: var(--text-main); background: var(--white); line-height: 1.7; overflow-x: hidden; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
::selection { background: var(--primary); color: white; }

.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 60px; }

/* ========================================
   Header - 简洁大气
   ======================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: transparent;
    transition: all 0.4s ease;
}

.header::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(15,23,42,0.85) 0%, rgba(15,23,42,0) 100%);
    pointer-events: none;
}

.header.scrolled {
    background: rgba(255,255,255,0.98);
    backdrop-filter: blur(20px);
    box-shadow: 0 2px 30px rgba(0,0,0,0.06);
}

.header.scrolled::before { display: none; }

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100px;
    position: relative;
    z-index: 1;
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: 14px;
}

.logo-icon {
    width: 52px;
    height: 52px;
    background: var(--gradient-blue);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 24px rgba(37,99,235,0.3);
}

.logo-icon svg { width: 30px; height: 30px; stroke: white; }

.logo-text {
    font-size: 28px;
    font-weight: 800;
    letter-spacing: 1px;
    color: white;
    transition: color 0.3s ease;
}

.header.scrolled .logo-text { color: var(--text-dark); }
.logo-text span { color: var(--primary-light); }
.header.scrolled .logo-text span { color: var(--primary); }

/* 导航 */
.nav-menu {
    display: flex;
    align-items: center;
    gap: 6px;
}

.nav-item { position: relative; }

.nav-link {
    display: flex;
    align-items: center;
    padding: 14px 26px;
    font-size: 16px;
    font-weight: 500;
    color: rgba(255,255,255,0.9);
    border-radius: 100px;
    transition: all 0.3s ease;
}

.header.scrolled .nav-link { color: var(--text-main); }

.nav-link:hover, .nav-link.active {
    color: white;
    background: rgba(255,255,255,0.15);
}

.header.scrolled .nav-link:hover,
.header.scrolled .nav-link.active {
    color: var(--primary);
    background: rgba(37,99,235,0.08);
}

.nav-link svg {
    width: 16px;
    height: 16px;
    margin-left: 5px;
    transition: transform 0.3s ease;
}

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

.index-map {display: grid;grid-template-columns: repeat(4, 1fr);gap: 5px}

/* 下拉菜单 - 优化间距和效果 */
.nav-dropdown {
    position: absolute;
    top: calc(100% + 12px);
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    min-width: 240px;
    padding: 20px;
    background: white;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.15), 0 0 0 1px rgba(0,0,0,0.03);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.nav-dropdown-link {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 18px;
    color: var(--text-secondary);
    border-radius: 12px;
    transition: all 0.2s ease;
}

.nav-dropdown-link:hover {
    color: var(--primary);
    background: var(--bg-light);
    transform: translateX(4px);
}

.nav-dropdown-link svg {
    width: 20px;
    height: 20px;
    opacity: 0.4;
    transition: opacity 0.2s ease;
}

.nav-dropdown-link:hover svg { opacity: 0.8; }

/* 右侧操作 */
.header-actions { display: flex; align-items: center; gap: 16px; }

.phone-btn {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 38px;
    background: var(--gradient-blue);
    color: white;
    font-weight: 600;
    font-size: 16px;
    border-radius: 100px;
    box-shadow: 0 8px 24px rgba(37,99,235,0.3);
    transition: all 0.3s ease;
}

.phone-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 40px rgba(37,99,235,0.4);
}

.mobile-toggle { display: none; flex-direction: column; gap: 6px; padding: 10px; background: none; border: none; cursor: pointer; }
.mobile-toggle span { width: 28px; height: 2px; background: white; border-radius: 2px; transition: all 0.3s ease; }
.header.scrolled .mobile-toggle span { background: var(--text-dark); }

/* ========================================
   Hero - 全屏明亮背景图（无遮罩）
   ======================================== */
.hero {
    position: relative;
    height: 100vh;
    min-height: 700px;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding-top: 18vh;
    background: url('../images/hero.png') center/cover no-repeat;
  
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 1400px;
    padding: 20px 40px 0 80px;
}

.hero-title {
    font-size: 92px;
    font-weight: 800;
    color: white;
    line-height: 1.2;
    margin-bottom: 20px;
    letter-spacing: 8px;
    text-shadow: 0 2px 20px rgba(0,0,0,0.15);
}

.hero-title .highlight {
    color: #60a5fa;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 20px 48px;
    font-family: var(--font);
    font-size: 18px;
    font-weight: 600;
    border: none;
    border-radius: 100px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-primary {
    background: var(--gradient-blue);
    color: white;
    box-shadow: 0 8px 24px rgba(37,99,235,0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 40px rgba(37,99,235,0.4);
}

.btn-outline {
    background: rgba(255,255,255,0.1);
    color: white;
    border: 2px solid rgba(255,255,255,0.3);
    backdrop-filter: blur(10px);
}

.btn-outline:hover {
    background: rgba(255,255,255,0.2);
    border-color: rgba(255,255,255,0.5);
    transform: translateY(-3px);
}

.btn-accent {
    background: linear-gradient(135deg, #f97316 0%, #ea580c 100%);
    color: white;
    box-shadow: 0 8px 24px rgba(249,115,22,0.3);
}

.btn-accent:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 40px rgba(249,115,22,0.4);
}

/* 向下滚动提示 */
.scroll-indicator {
    position: absolute;
    bottom: 10px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    color: white;
    cursor: pointer;
    animation: bounce 2s infinite;
}

.scroll-indicator span {
    font-size: 14px;
    opacity: 0.8;
    letter-spacing: 2px;
}

.scroll-indicator svg {
    width: 32px;
    height: 32px;
    stroke: white;
    stroke-width: 1.5;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
    40% { transform: translateX(-50%) translateY(-15px); }
    60% { transform: translateX(-50%) translateY(-7px); }
}

/* ========================================
   Section 通用样式
   ======================================== */
.section { padding: 100px 0; }

.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 50px;
}

.section-label {
    display: inline-block;
    padding: 8px 24px;
    background: var(--primary);
    color: white;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 1px;
    border-radius: 4px;
    margin-bottom: 20px;
}

.section-title {
    font-size: 52px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 20px;
    line-height: 1.3;
}


.section-desc {
    font-size: 18px;
    color: var(--text-secondary);
    line-height: 1.8;
}

.bg-light { background: #f8fafc; }
.bg-white { background: var(--white); }

/* ========================================
   核心优势 - 数字序号标签风格
   ======================================== */
.advantage-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 80px 60px;
}

.advantage-item {
    position: relative;
    padding: 5px;
    background: white;
    border-radius: 16px;
    transition: all 0.3s ease;
}

.advantage-item:hover {
    box-shadow: 0 8px 30px rgba(0,0,0,0.06);
}

.advantage-number {
    font-size: 56px;
    font-weight: 900;
    color:#000;
    line-height: 1;
    margin-bottom: 24px;
    position: relative;
    display: inline-block;
    width: 70px;
    height: 70px;
}



.advantage-title {
    font-size: 22px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 16px;
    line-height: 1.4;
}

.advantage-desc {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.9;
}

/* ========================================
   产品中心 - 标签切换风格
   ======================================== */
.products-section {
    background: linear-gradient(180deg, #fafbfc 0%, #f8fafc 100%);
}

.product-tabs {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-bottom: 70px;
    flex-wrap: wrap;
}

.product-tab {
    padding: 14px 36px;
    font-size: 16px;
    font-weight: 500;
    color: var(--text-secondary);
    background: transparent;
    border: 2px solid transparent;
    border-radius: 100px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.product-tab:hover {
    color: var(--primary);
    border-color: var(--primary);
}

.product-tab.active {
    color: white;
    background: var(--primary);
    border-color: var(--primary);
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 30px;
}

.product-card {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    transition: all 0.4s ease;
    border: 1px solid var(--border);
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 50px rgba(0,0,0,0.1);
    border-color: transparent;
}

.product-image {
    position: relative;
    aspect-ratio: 4/3;
    overflow: hidden;
    background: var(--bg-light);
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

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

.product-tag {
    position: absolute;
    top: 20px;
    left: 20px;
    padding: 8px 18px;
    background: var(--primary);
    color: white;
    font-size: 13px;
    font-weight: 600;
    border-radius: 100px;
}

.product-body { padding: 30px; }

.product-title {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-dark);
}

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

/* ========================================
   场景应用 - 左右布局
   ======================================== */
.scenario-section {
    background: #fafbfc;
}

.scenario-wrapper {
    display: grid;
    grid-template-columns: 1.3fr 1fr;
    gap: 80px;
    align-items: center;
}

.scenario-image {
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 0 30px 80px rgba(0,0,0,0.12);
}

.scenario-image img { width: 100%; }

.scenario-content { padding: 5px 0; }

.scenario-list { display: flex; flex-direction: column; }

.scenario-item {
    display: flex;
    align-items: center;
    gap: 24px;
    padding: 28px 0;
    border-bottom: 1px solid var(--border);
    cursor: pointer;
    transition: all 0.3s ease;
}

.scenario-item:last-child { border-bottom: none; }

.scenario-item:hover { padding-left: 12px; }

.scenario-item:not(.active):hover {
    background: var(--primary);
    margin: 0 -24px;
    padding: 28px 24px;
    border-radius: 16px;
    border-color: transparent;
}

.scenario-item:not(.active):hover h4 { color: white; }
.scenario-item:not(.active):hover p { color: rgba(255,255,255,0.8); }

.scenario-item.active {
    background: var(--primary);
    margin: 0 0px;
    padding: 28px 24px;
    border-radius: 16px;
    border-color: transparent;
}

.scenario-icon {
    width: 56px;
    height: 56px;
    background: var(--bg-light);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: all 0.3s ease;
}

.scenario-icon svg { width: 28px; height: 28px; stroke: var(--text-secondary); }

.scenario-item.active .scenario-icon {
    background: white;
}

.scenario-item.active .scenario-icon svg { stroke: var(--primary); }

.scenario-item:not(.active):hover .scenario-icon {
    background: var(--primary);
}

.scenario-item:not(.active):hover .scenario-icon svg { stroke: white; }

.scenario-info h4 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 6px;
    transition: color 0.3s ease;
}

.scenario-item.active h4 { color: white; }

.scenario-info p {
    font-size: 14px;
    color: var(--text-secondary);
    transition: color 0.3s ease;
}

.scenario-item.active p { color: rgba(255,255,255,0.8); }

/* ========================================
   统计数据 - 明亮天空蓝
   ======================================== */
.stats-section {
    background: linear-gradient(135deg, #dbeafe 0%, #bfdbfe 50%, #e0f2fe 100%);
    position: relative;
    overflow: hidden;
}

.stats-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(59,130,246,0.15) 0%, transparent 70%);
    border-radius: 50%;
}

.stats-section::after {
    content: '';
    position: absolute;
    bottom: -50%;
    left: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(96,165,250,0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.stats-section .container { position: relative; z-index: 1; }

.stats-section .section-label { background: var(--primary); color: white; }
.stats-section .section-title { color: var(--text-dark); }
.stats-section .section-desc { color: var(--text-secondary); }

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
}

.stat-item {
    text-align: center;
    padding: 50px 30px;
    background: rgba(255,255,255,0.9);
    border-radius: 20px;
    box-shadow: 0 4px 20px rgba(59,130,246,0.1);
    border: 1px solid rgba(255,255,255,0.5);
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.stat-item:hover {
    box-shadow: 0 8px 30px rgba(59,130,246,0.15);
    transform: translateY(-5px);
    background: white;
}

.stat-number {
    font-size: 56px;
    font-weight: 800;
    color: var(--primary);
    line-height: 1;
    margin-bottom: 16px;
}

.stat-label {
    font-size: 16px;
    color: var(--text-secondary);
}

/* ========================================
   CTA
   ======================================== */
.cta-section {
    background: linear-gradient(180deg, var(--bg-light) 0%, var(--white) 100%);
    text-align: center;
}

.cta-title {
    font-size: 48px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 20px;
}

.cta-desc {
    font-size: 20px;
    color: var(--text-secondary);
    margin-bottom: 50px;
}

.cta-actions {
    display: flex;
    justify-content: center;
    gap: 24px;
}

/* ========================================
   Footer - 明亮天空蓝
   ======================================== */
.footer {
    background: linear-gradient(180deg, #dbeafe 0%, #bfdbfe 100%);
    color: var(--text-dark);
    padding: 100px 0 50px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.8fr 1fr 1fr 1.5fr;
    gap: 80px;
    margin-bottom: 80px;
}

.footer-brand { max-width: 320px; }

.footer-logo {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 24px;
}

.footer-logo-icon {
    width: 48px;
    height: 48px;
    background: var(--gradient-blue);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.footer-logo-icon svg { width: 28px; height: 28px; stroke: white; }

.footer-logo-text { font-size: 26px; font-weight: 800; color: var(--text-dark); }
.footer-logo-text span { color: var(--primary); }

.footer-desc {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.9;
}

.footer-title {
    font-size: 17px;
    font-weight: 600;
    margin-bottom: 28px;
    color: var(--text-dark);
}

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

.footer-link {
    font-size: 15px;
    color: var(--text-secondary);
    transition: all 0.3s ease;
}

.footer-link:hover {
    color: var(--primary);
    transform: translateX(6px);
}

.footer-contact-item {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    margin-bottom: 20px;
}

.footer-contact-icon {
    width: 44px;
    height: 44px;
    background: white;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}

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

.footer-contact-text {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.6;
}

.footer-bottom {
    padding-top: 40px;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.footer-socials {
    display: flex;
    gap: 16px;
}

.footer-social {
    width: 48px;
    height: 48px;
    background: white;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}

.footer-social:hover {
    background: var(--primary);
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(37,99,235,0.2);
}

.footer-social svg { width: 22px; height: 22px; stroke: var(--text-secondary); }
.footer-social:hover svg { stroke: white; }

/* ========================================
   右侧悬浮工具栏
   ======================================== */
.side-toolbar {
    position: fixed;
    right: 40px;
    bottom: 120px;
    z-index: 999;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.toolbar-item {
    width: 60px;
    height: 60px;
    background: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
    cursor: pointer;
    transition: all 0.3s ease;
}

.toolbar-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.toolbar-item svg { width: 26px; height: 26px; stroke: var(--text-main); transition: all 0.3s ease; }
.toolbar-item:hover svg { stroke: var(--primary); }

.toolbar-phone {
    background: var(--gradient-blue);
    box-shadow: 0 8px 24px rgba(37,99,235,0.3);
}

.toolbar-phone svg { stroke: white !important; }

.toolbar-phone:hover {
    box-shadow: 0 12px 40px rgba(37,99,235,0.4);
}

.toolbar-wechat { position: relative; }

.toolbar-wechat .toolbar-qrcode {
    position: absolute;
    right: 75px;
    top: 50%;
    transform: translateY(-50%);
    background: white;
    padding: 20px;
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.toolbar-wechat .toolbar-qrcode::after {
    content: '';
    position: absolute;
    right: -10px;
    top: 50%;
    transform: translateY(-50%);
    border: 10px solid transparent;
    border-left-color: white;
}

.toolbar-wechat:hover .toolbar-qrcode { opacity: 1; visibility: visible; }

.toolbar-qrcode img { width: 140px; height: 140px; }

.toolbar-qrcode-text {
    font-size: 14px;
    color: var(--text-secondary);
    text-align: center;
    margin-top: 12px;
}

.toolbar-backtop { opacity: 0; visibility: hidden; }
.toolbar-backtop.visible { opacity: 1; visibility: visible; }

/* ========================================
   动画
   ======================================== */
[data-animate] {
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

[data-animate].animated {
    opacity: 1;
    transform: translateY(0);
}

/* ========================================
   响应式
   ======================================== */
@media (max-width: 1400px) {
    .container { padding: 0 50px; }
    .advantage-grid { grid-template-columns: repeat(2, 1fr); gap: 60px 50px; }
    .product-grid { grid-template-columns: repeat(3, 1fr); }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 1200px) {
    .container { padding: 0 40px; }
    .nav-menu { display: none; }
    .mobile-toggle { display: flex; }
    .hero-title { font-size: 60px; }
    .product-grid { grid-template-columns: repeat(2, 1fr); }
    .scenario-wrapper { grid-template-columns: 1fr; gap: 50px; }
    .footer-grid { grid-template-columns: repeat(2, 1fr); gap: 50px; }
}

@media (max-width: 768px) {
    .container { padding: 0 24px; }
    .section { padding: 40px 0; }
    .hero-title { font-size: 42px; }
    .hero-desc { font-size: 18px; }
    .section-title { font-size: 36px; }
    .hero-actions, .cta-actions { 
   /*     flex-direction: column;  */
         }
    .btn { padding: 16px 36px; font-size: 16px; }
    .advantage-grid { gap: 50px; }
    .product-grid { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .side-toolbar { right: 20px; bottom: 80px; }
    .toolbar-item { width: 50px; height: 50px; }
    .toolbar-item svg { width: 22px; height: 22px; }
    .index-map{display: grid;grid-template-columns: repeat(2, 1fr);gap: 5px}
    .footer-kuai{display: none;}
    
    /* 导航栏移动端样式 */
    .header-inner {padding-top: 5%; }
    .logo-icon { width: 44px; height: 44px; }
    .logo-text { font-size: 22px; }
    .phone-btn span { display: none; }
    
    /* Hero区域移动端样式 */
    .hero { height: 70vh; min-height: 500px; }
    .hero-title { font-size: 36px; line-height: 1.2; }
    .hero-subtitle { font-size: 16px; margin-bottom: 30px; }
    .hero-actions { gap: 16px; }
    
    /* 产品卡片移动端样式 */
    .product-card { margin-bottom: 20px; }
    .product-body { padding: 20px; }
    .product-title { font-size: 18px; }
    
    /* 统计数据移动端样式 */
    .stat-item { padding: 30px 20px; }
    .stat-number { font-size: 40px; }
    .stat-label { font-size: 14px; }
    
    /* Footer移动端样式 */
    .footer { padding: 60px 0 40px; }
    .footer-grid { gap: 40px; margin-bottom: 50px; }
    .footer-brand { max-width: 100%; }
    .footer-bottom { flex-direction: column; gap: 20px; text-align: center; }
    
    /* CTA移动端样式 */
    .cta-title { font-size: 32px; }
    .cta-desc { font-size: 16px; margin-bottom: 30px; }
    
    /* 场景应用移动端样式 */
    .scenario-item { padding: 20px 0; gap: 16px; }
    .scenario-icon { width: 48px; height: 48px; }
    .scenario-info h4 { font-size: 18px; }
    .scenario-info p { font-size: 13px; }
    
    /* 标签页移动端样式 */
    .product-tabs { gap: 6px; margin-bottom: 40px; }
    .product-tab { padding: 10px 20px; font-size: 14px; }
}

@media (max-width: 480px) {
    .container { padding: 0 16px; }
    .hero-content{padding: 0;}
    .hero-title { font-size: 22px; }
    .section-title { font-size: 28px; }
    .section-desc { font-size: 15px; }
    .btn { padding: 14px 28px; font-size: 15px; }
    .advantage-number { font-size: 42px; }
    .advantage-title { font-size: 18px; }
    .stat-number { font-size: 36px; }
    .footer-title { font-size: 16px; }
    .toolbar-item { width: 44px; height: 44px; }
}

/* 移动端菜单样式 */
.mobile-menu {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(180deg, #1e3a5f 0%, #0f172a 100%);
    z-index: 999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    padding-top: 80px;
    overflow-y: auto;
    max-height: 100vh;
}

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

.mobile-menu-content {
    text-align: center;
    width: 100%;
    padding: 40px;
}

.mobile-menu-link {
    display: block;
    padding: 18px 0;
    font-size: 22px;
    color: white;
    font-weight: 500;
    transition: all 0.3s ease;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.mobile-menu-link:hover {
    color: var(--primary-light);
    padding-left: 10px;
}

.mobile-menu-link.active {
    color: var(--primary-light);
}

/* 移动端菜单按钮动画 */
.mobile-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

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

.mobile-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* 内页Hero区域 - 统一配色 */
.hero-section-base,
.scenes-hero-section,
.join-hero-section,
.contact-hero-section,
.news-hero-section,
.about-hero-section {
    padding: 160px 0 120px;
    background: linear-gradient(135deg, #0c1929 0%, #1a365d 40%, #1e4976 70%, #0c1929 100%);
    text-align: center;
    position: relative;
    overflow: hidden;
}

/* 网格背景装饰 */
.hero-section-base::before,
.scenes-hero-section::before,
.join-hero-section::before,
.contact-hero-section::before,
.news-hero-section::before,
.about-hero-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(59,130,246,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(59,130,246,0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    pointer-events: none;
}

/* 光晕效果 */
.hero-section-base::after,
.scenes-hero-section::after,
.join-hero-section::after,
.contact-hero-section::after,
.news-hero-section::after,
.about-hero-section::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 800px;
    height: 800px;
    background: radial-gradient(ellipse, rgba(59,130,246,0.12) 0%, rgba(30,64,175,0.08) 30%, transparent 70%);
    pointer-events: none;
}

.hero-section-base .container,
.scenes-hero-section .container,
.join-hero-section .container,
.contact-hero-section .container,
.news-hero-section .container,
.about-hero-section .container {
    position: relative;
    z-index: 1;
}

.hero-section-base h1,
.scenes-hero-section h1,
.join-hero-section h1,
.contact-hero-section h1,
.news-hero-section h1,
.about-hero-section h1 {
    font-size: 56px;
    font-weight: 700;
    margin-bottom: 20px;
    color: white;
    text-shadow: 0 2px 20px rgba(0,0,0,0.3);
}

.hero-section-base .hero-desc,
.scenes-hero-section .hero-desc,
.join-hero-section .hero-desc,
.contact-hero-section .hero-desc,
.news-hero-section .hero-desc,
.about-hero-section .hero-desc,
.product-detail-hero-section .hero-desc,
.news-detail-hero-section .hero-desc {
    font-size: 18px;
    color: rgba(255,255,255,0.85);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.8;
}

/* 产品详情页Hero */
.product-detail-hero-section,
.news-detail-hero-section {
    padding: 160px 0 120px;
    background: linear-gradient(135deg, #0c1929 0%, #1a365d 40%, #1e4976 70%, #0c1929 100%);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.product-detail-hero-section::before,
.news-detail-hero-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(59,130,246,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(59,130,246,0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    pointer-events: none;
}

.product-detail-hero-section::after,
.news-detail-hero-section::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 800px;
    height: 800px;
    background: radial-gradient(ellipse, rgba(59,130,246,0.12) 0%, rgba(30,64,175,0.08) 30%, transparent 70%);
    pointer-events: none;
}

.product-detail-hero-section .container,
.news-detail-hero-section .container {
    position: relative;
    z-index: 1;
}

.product-detail-hero-section h1,
.news-detail-hero-section h1 {
    font-size: 56px;
    font-weight: 700;
    margin-bottom: 20px;
    color: white;
    text-shadow: 0 2px 20px rgba(0,0,0,0.3);
}

/* 内页导航栏 - 深色背景 */
.header-inner-page {
    background: linear-gradient(180deg, rgba(30,58,95,0.95) 0%, rgba(15,23,42,0.8) 100%);
}

.header-inner-page .logo-text {
    color: white;
}

.header-inner-page .nav-link {
    color: rgba(255,255,255,0.9);
}

.header-inner-page .nav-link:hover,
.header-inner-page .nav-link.active {
    color: white;
    background: rgba(255,255,255,0.15);
}

.header-inner-page .mobile-toggle span {
    background: white;
}

/* 图片防止变形 */
img {
    max-width: 100%;
    height: auto;
    object-fit: cover;
}

/* 卡片内容防止溢出 */
.product-card,
.stat-item,
.advantage-item,
.scenario-item,
.contact-card,
.advantage-card,
.news-card,
.scene-large-card,
.culture-card,
.honor-item,
.feature-card {
    overflow: hidden;
}

/* 文字防止溢出 */
.product-title,
.product-desc,
.advantage-title,
.advantage-desc,
.scenario-info h4,
.scenario-info p {
    word-wrap: break-word;
    overflow-wrap: break-word;
}

/* 响应式 - 内页Hero */
@media (max-width: 768px) {
    .hero-section-base,
    .scenes-hero-section,
    .join-hero-section,
    .contact-hero-section,
    .news-hero-section,
    .about-hero-section,
    .product-detail-hero-section,
    .news-detail-hero-section {
        padding: 120px 0 60px;
    }
    
    .hero-section-base h1,
    .scenes-hero-section h1,
    .join-hero-section h1,
    .contact-hero-section h1,
    .news-hero-section h1,
    .about-hero-section h1,
    .product-detail-hero-section h1,
    .news-detail-hero-section h1 {
        font-size: 32px;
    }
    
    .hero-section-base .hero-desc,
    .scenes-hero-section .hero-desc,
    .join-hero-section .hero-desc,
    .contact-hero-section .hero-desc,
    .news-hero-section .hero-desc,
    .about-hero-section .hero-desc,
    .product-detail-hero-section .hero-desc,
    .news-detail-hero-section .hero-desc {
        font-size: 15px;
    }
}