/* 样式重置 */
*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Helvetica Neue", Helvetica, "PingFang SC", "Microsoft Yahei", sans-serif;
}

img{
    width: 100%;
    display: block;
}

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

ul, ol{
    list-style: none;
}

/* ========== 设计系统 - CSS变量 ========== */
:root{
    /* 主色调 - 专业蓝 */
    --primary-color: #4766ff;
    --primary-hover: #3554e0;
    --primary-light: #eef1ff;
    --primary-gradient: linear-gradient(135deg, #1f2d5a 0%, #4766ff 100%);
    
    /* 辅助色 */
    --secondary-color: #6c757d;
    --accent-color: #ff6b6b;
    --success-color: #28a745;
    
    /* 文本颜色 */
    --text-primary: #1a1a2e;
    --text-secondary: #494949;
    --text-tertiary: #727272;
    --text-gray: #8b8b8b;
    --text-light-gray: #c6c6c6;
    --text-lightest: #e7e9ec;
    
    /* 背景颜色 */
    --bg-white: #ffffff;
    --bg-light: #f7f8fb;
    --bg-lighter: #f9fbfb;
    --bg-dark: #181818;
    --bg-darker: #0a1428;
    --backdrop-color: rgba(42, 42, 42, 0.69);
    
    /* 边框和阴影 */
    --border-color: #e5e7eb;
    --border-radius-sm: 4px;
    --border-radius-md: 8px;
    --border-radius-lg: 12px;
    --border-radius-xl: 16px;
    
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.08);
    --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.12);
    --shadow-primary: 0 8px 32px rgba(71, 102, 255, 0.2);
    
    /* 间距系统 */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-2xl: 48px;
    --spacing-3xl: 64px;
    --spacing-4xl: 80px;
    
    /* 字体大小 */
    --font-xs: 12px;
    --font-sm: 14px;
    --font-md: 16px;
    --font-lg: 18px;
    --font-xl: 20px;
    --font-2xl: 24px;
    --font-3xl: 30px;
    --font-4xl: 36px;
    --font-5xl: 44px;
    
    /* 过渡 */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* 容器宽度 */
    --container-max: 1180px;
}

/* ========== 通用组件样式 ========== */

/* 按钮组件 */
.btn{
    display: inline-block;
    padding: 12px 28px;
    border-radius: var(--border-radius-sm);
    font-size: var(--font-md);
    font-weight: 500;
    text-decoration: none;
    text-align: center;
    transition: all var(--transition-base);
    cursor: pointer;
    border: none;
    line-height: 1.4;
}

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

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

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

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

.btn-ghost{
    background: transparent;
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.6);
}

.btn-ghost:hover{
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
}

.btn-lg{
    padding: 16px 40px;
    font-size: var(--font-lg);
}

.btn-sm{
    padding: 8px 20px;
    font-size: var(--font-sm);
}

/* 卡片组件 */
.card{
    background: var(--bg-white);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    transition: all var(--transition-base);
}

.card:hover{
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

/* 标签组件 */
.tag{
    display: inline-block;
    background: var(--primary-light);
    color: var(--primary-color);
    font-size: var(--font-xs);
    padding: 4px 12px;
    border-radius: var(--border-radius-sm);
    font-weight: 500;
}

/* 区块标题 */
.section-title{
    font-size: var(--font-3xl);
    color: var(--text-primary);
    font-weight: 600;
    text-align: center;
    margin-bottom: var(--spacing-md);
}

.section-title::after{
    content: "";
    display: block;
    width: 60px;
    height: 4px;
    background: var(--primary-color);
    margin: var(--spacing-md) auto 0;
    border-radius: 2px;
}

.section-subtitle{
    text-align: center;
    color: var(--text-tertiary);
    font-size: var(--font-lg);
    line-height: 1.8;
    max-width: 760px;
    margin: 0 auto var(--spacing-2xl);
}

/* 页面Hero */
.page-hero{
    background: var(--primary-gradient);
    color: #fff;
    padding: var(--spacing-4xl) 20px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-hero::before{
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4m-30 0v-4H4v4H0v2h4v4h2v-4h4v-2H6'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.5;
}

.page-hero-inner{
    position: relative;
    z-index: 1;
}

.page-hero h1{
    font-size: var(--font-5xl);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    letter-spacing: 2px;
}

.page-hero p{
    font-size: var(--font-lg);
    opacity: 0.92;
    letter-spacing: 1px;
    line-height: 1.8;
}

/* ========== 头部导航 ========== */
header{
    width: 100%;
    height: 90px;
    display: grid;
    padding: 0 var(--spacing-xl);
    grid-template-columns: 1fr 2fr;
    align-items: center;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 200;
    background: transparent;
    transition: all var(--transition-base);
}

/* 首页透明导航添加底部渐变遮罩，确保白色文字在任何背景下都清晰可见 */
header:not(.sub-header):not(.scrolled)::after{
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 100px;
    background: linear-gradient(to bottom, rgba(0,0,0,0.25) 0%, rgba(0,0,0,0.1) 60%, transparent 100%);
    pointer-events: none;
    z-index: -1;
}

header.scrolled{
    height: 75px;
    background: #fff;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
}

header.sub-header{
    height: 90px;
    background: #fff;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
}

.logo{
    display: flex;
    align-items: center;
    font-size: var(--font-2xl);
    font-weight: 700;
    color: #fff;
    gap: var(--spacing-sm);
}

header.scrolled .logo,
header.sub-header .logo{
    color: var(--text-primary);
}

.logo img{
    height: 80px;
    width: auto;
}

.vader{
    height: auto;
    width: 130px;
    max-width: none;
    position: relative;
    z-index: 10;
}

header nav{
    justify-self: end;
    display: flex;
    gap: var(--spacing-xl);
}

header nav a{
    color: #fff;
    text-decoration: none;
    font-size: 16px;
    font-weight: 500;
    transition: color var(--transition-fast);
    position: relative;
    padding: var(--spacing-sm) 0;
    text-shadow: 0 1px 3px rgba(0,0,0,0.3);
}

header nav a::after{
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width var(--transition-base);
}

header nav a:hover::after,
header nav a.active::after{
    width: 100%;
}

header nav a:hover,
header nav a.active{
    color: #6b85ff;
}

header.scrolled nav a,
header.sub-header nav a{
    color: #2e2e2e;
    text-shadow: none;
}

header.scrolled nav a:hover,
header.sub-header nav a:hover,
header.scrolled nav a.active,
header.sub-header nav a.active{
    color: var(--primary-color);
}

header .burger{
    display: none;
}

/* 折叠按钮 */
.burger{
    width: 28px;
    height: 22px;
    position: relative;
    cursor: pointer;
    justify-self: end;
}

.burger-line1,
.burger-line2,
.burger-line3{
    position: absolute;
    left: 0;
    width: 100%;
    height: 2px;
    background: #fff;
    border-radius: 2px;
    transition: all var(--transition-base);
}

.burger-line1{ top: 0; }
.burger-line2{ top: 50%; transform: translateY(-50%); }
.burger-line3{ bottom: 0; }

header.scrolled .burger-line1,
header.sub-header .burger-line1,
header.scrolled .burger-line2,
header.sub-header .burger-line2,
header.scrolled .burger-line3,
header.sub-header .burger-line3{
    background: var(--text-primary);
}

header.open .burger-line1{
    top: 50%;
    transform: translateY(-50%) rotate(45deg);
}

header.open .burger-line2{
    opacity: 0;
}

header.open .burger-line3{
    bottom: 50%;
    transform: translateY(50%) rotate(-45deg);
}

/* ========== 首页轮播 ========== */
.hero-section{
    position: relative;
    height: 100vh;
    min-height: 600px;
    overflow: hidden;
}

.glide{
    position: relative;
    height: 100%;
}

.glide__slide img,
.glide__slide video{
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.slide-caption{
    position: absolute;
    z-index: 70;
    color: #fff;
    text-align: center;
    max-width: 800px;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    padding: 0 20px;
}

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

.slide-caption h1{
    font-size: var(--font-5xl);
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    letter-spacing: 3px;
}

.slide-caption h3{
    font-size: var(--font-xl);
    font-weight: 400;
    margin-bottom: var(--spacing-2xl);
    line-height: 1.8;
    opacity: 0.95;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

/* Hero按钮 */
.hero-actions{
    display: flex;
    gap: var(--spacing-lg);
    justify-content: center;
    flex-wrap: wrap;
}

.hero-btn{
    display: inline-block;
    padding: var(--spacing-md) var(--spacing-2xl);
    border-radius: var(--border-radius-md);
    font-size: var(--font-lg);
    text-decoration: none;
    transition: all var(--transition-base);
    font-weight: 500;
}

.hero-btn-primary{
    background: var(--primary-color);
    color: #fff;
    box-shadow: var(--shadow-primary);
}

.hero-btn-primary:hover{
    background: var(--primary-hover);
    transform: translateY(-3px);
    box-shadow: 0 12px 40px rgba(71, 102, 255, 0.4);
}

.hero-btn-ghost{
    border: 2px solid rgba(255, 255, 255, 0.8);
    color: #fff;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
}

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

.slide-caption > *{
    opacity: 0;
}

/* ========== 内容区域通用样式 ========== */
.content-wrapper{
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
}

section{
    display: grid;
    justify-items: center;
    max-width: var(--container-max);
    padding: var(--spacing-4xl) var(--spacing-xl);
    width: 100%;
}

.section-bg{
    position: relative;
}

.section-bg::before{
    content: "";
    display: block;
    position: absolute;
    background-color: var(--bg-lighter);
    width: 100%;
    height: 100%;
    z-index: -1;
}

.title1{
    font-size: var(--font-3xl);
    color: var(--text-primary);
    font-weight: 600;
    text-align: center;
    margin-bottom: var(--spacing-md);
}

.title1::after{
    content: "";
    display: block;
    width: 60px;
    height: 4px;
    background: var(--primary-color);
    margin: var(--spacing-md) auto 0;
    border-radius: 2px;
}

.intro{
    margin: var(--spacing-lg) 0 var(--spacing-2xl);
    font-size: var(--font-lg);
    color: var(--text-tertiary);
    text-align: center;
    line-height: 1.8;
    max-width: 800px;
}

.intro i{
    color: var(--primary-color);
    vertical-align: -2px;
    font-weight: 600;
    font-style: normal;
}

/* ========== 数据亮点 ========== */
.about-stats{
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
    max-width: 1000px;
    margin: 0 auto var(--spacing-3xl);
}

.about-stat{
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-md);
    border-radius: var(--border-radius-lg);
    background: var(--bg-light);
    transition: all var(--transition-base);
    border: 1px solid transparent;
}

.about-stat:hover{
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-light);
}

.stat-num{
    font-size: 42px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
    line-height: 1;
}

.stat-num span{
    font-size: var(--font-lg);
    font-weight: 400;
    margin-left: 2px;
}

.stat-label{
    font-size: var(--font-sm);
    color: var(--text-tertiary);
    line-height: 1.5;
}

/* ========== 特性展示 ========== */
.features{
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl) var(--spacing-4xl);
}

.feature{
    display: grid;
    grid-template-areas:
        "icon title"
        "icon content";
    grid-template-columns: 60px 1fr;
    gap: var(--spacing-sm) var(--spacing-md);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    transition: all var(--transition-base);
}

.feature:hover{
    background: var(--bg-light);
}

.feature i.fas,
.feature i.fab{
    grid-area: icon;
    font-size: 36px;
    color: var(--primary-color);
}

.feature-title{
    grid-area: title;
    font-size: var(--font-xl);
    color: var(--text-primary);
    font-weight: 600;
}

.feature-content{
    grid-area: content;
    color: var(--text-gray);
    font-size: var(--font-md);
    line-height: 1.8;
}

/* ========== 产品展示 ========== */
.filter-btns{
    margin: var(--spacing-2xl) 0 var(--spacing-xl);
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

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

.filter-btn:hover,
.filter-btn.active{
    background-color: var(--primary-color);
    color: #fff;
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.showcases .cases{
    width: 100%;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    padding: 16px;
    background: #f5fbff;
    border: none;
}

.showcases .case-item{
    height: 240px;
    overflow: hidden;
    border-radius: 0;
    position: relative;
    border: 1px dashed #e8f2ff;
    background: #ffffff;
    transition: all var(--transition-base);
}

.showcases .case-item:hover{
    background: #f0f7ff;
    border-color: #c0ddff;
    border-style: solid;
}

.showcases .case-item::after{
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(180deg, rgba(180, 210, 255, 0) 0%, rgba(180, 210, 255, 0.12) 100%);
    opacity: 0;
    transition: opacity var(--transition-base);
    pointer-events: none;
}

.showcases .case-item:hover::after{
    opacity: 1;
}

.showcases .case-item > div,
.showcases .case-item a{
    width: 100%;
    height: 100%;
    display: block;
    position: relative;
}

.case-item img{
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.case-item:hover img{
    transform: scale(1.05);
}

.case-label{
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    padding: 20px var(--spacing-md) 16px;
    background: linear-gradient(transparent, rgba(255, 255, 255, 0.92));
    color: #2c5aa0;
    font-size: var(--font-lg);
    font-weight: 600;
    text-align: center;
}

/* ========== 服务区域 ========== */
.services{
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.service-item{
    background: var(--bg-white);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
    border: 1px solid var(--border-color);
}

.service-item:hover{
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

.service-item i.fas{
    font-size: 40px;
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
    display: block;
}

.service-title{
    color: var(--text-primary);
    font-size: var(--font-xl);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.service-content{
    color: var(--text-tertiary);
    line-height: 1.8;
    font-size: var(--font-md);
}

/* ========== 数据展示区 ========== */
.data-section{
    max-width: 100%;
    width: 100%;
    min-height: 280px;
    background: var(--primary-gradient);
    display: grid;
    grid-template-columns: repeat(4, minmax(auto, 220px));
    justify-content: center;
    align-items: center;
    padding: var(--spacing-3xl) var(--spacing-xl);
    position: relative;
    gap: var(--spacing-xl);
}

.data-piece{
    display: flex;
    flex-direction: column;
    align-items: center;
    color: #fff;
    gap: var(--spacing-sm);
}

.data-piece i.fas{
    font-size: 48px;
    opacity: 0.9;
}

.data-piece .num{
    font-size: 42px;
    font-weight: 700;
}

.data-piece .data-desc{
    font-size: var(--font-md);
    opacity: 0.9;
}

/* ========== 页脚 ========== */
footer{
    background: var(--bg-dark);
    color: var(--text-lightest);
    padding-top: var(--spacing-3xl);
    padding-bottom: var(--spacing-xl);
}

.footer-menus{
    max-width: 1380px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr max-content;
    gap: var(--spacing-2xl);
    padding: 0 var(--spacing-xl);
    align-items: start;
}

.menu-title{
    font-size: var(--font-lg);
    color: #fff;
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
}

.contact-us .menu-title{
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 20px;
}

.contact-us{
    color: var(--text-lightest);
}

.contact-us p{
    padding-bottom: var(--spacing-sm);
    font-size: 15px;
    line-height: 1.8;
    margin: 0;
}

.footer-qrcodes{
    display: flex;
    gap: var(--spacing-xl);
    align-items: flex-start;
    flex-shrink: 0;
}

.footer-menu{
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.footer-menu .menu-title{
    font-size: 16px;
    margin-bottom: 16px;
}

.footer-menu .menu-items{
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    justify-content: center;
}

.footer-menu .menu-items img{
    width: 160px !important;
    height: 160px !important;
    border-radius: var(--border-radius-md) !important;
    border: 2px solid rgba(255, 255, 255, 0.2) !important;
    object-fit: cover;
}

.icp-info{
    grid-column: 1 / -1;
    justify-self: center;
    margin: var(--spacing-md) 0 0 0;
    font-size: var(--font-sm);
    opacity: 0.8;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
}

.icp-info img{
    vertical-align: middle !important;
    display: inline-block !important;
}

.icp-info a{
    color: var(--text-lightest);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    vertical-align: middle;
}

.rights{
    grid-column: 1 / -1;
    justify-self: center;
    font-size: var(--font-sm);
    opacity: 0.7;
    margin: 2px 0 0 0;
}

/* 返回顶部按钮 */
.scrollToTop{
    position: fixed;
    bottom: 40px;
    right: 30px;
    z-index: 300;
    display: none;
}

.scrollToTop a{
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-color);
    color: #fff;
    text-decoration: none;
    box-shadow: var(--shadow-primary);
    transition: all var(--transition-base);
}

.scrollToTop a:hover{
    background: var(--primary-hover);
    transform: translateY(-3px);
}

/* ========== 响应式设计 ========== */
@media (max-width: 1100px){
    header nav{
        display: none;
    }

    header{
        height: 80px;
        grid-template-columns: 1fr auto;
    }

    header .burger{
        display: block;
    }
    
    .vader{
        width: 100px;
    }
    
    .logo img{
        height: 60px;
    }

    header.open nav{
        display: flex;
        flex-direction: column;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: #fff;
        padding: 100px var(--spacing-xl) var(--spacing-xl);
        gap: var(--spacing-lg);
        z-index: 199;
    }

    header.open nav a{
        color: var(--text-primary);
        font-size: var(--font-lg);
        font-weight: 500;
    }

    header.open .burger-line1,
    header.open .burger-line2,
    header.open .burger-line3{
        background: var(--text-primary);
    }

    .features,
    .services{
        grid-template-columns: repeat(2, 1fr);
    }

    .showcases .cases{
        grid-template-columns: repeat(3, 1fr);
    }

    .about-stats{
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 992px){
    .slide-caption h1{
        font-size: 36px;
    }

    .slide-caption h3{
        font-size: var(--font-lg);
    }

    .section-title,
    .title1{
        font-size: var(--font-2xl);
    }

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

    .data-section{
        grid-template-columns: repeat(2, 1fr);
        min-height: auto;
        padding: var(--spacing-2xl) var(--spacing-xl);
    }

    .showcases .cases{
        grid-template-columns: repeat(2, 1fr);
    }

    .showcases .case-item{
        height: 200px;
    }

    .page-hero h1{
        font-size: var(--font-3xl);
    }

    .footer-menus{
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }

    .contact-us{
        text-align: center;
    }

    .footer-qrcodes{
        justify-content: center;
    }
}

@media (max-width: 768px){
    section{
        padding: var(--spacing-2xl) var(--spacing-lg);
    }

    .slide-caption h1{
        font-size: 28px;
    }

    .slide-caption h3{
        font-size: var(--font-md);
    }

    .hero-actions{
        flex-direction: column;
        align-items: center;
    }

    .hero-btn{
        width: 100%;
        max-width: 240px;
    }

    .about-stats{
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .showcases .cases{
        grid-template-columns: 1fr;
    }

    .showcases .case-item{
        height: 220px;
    }

    .data-section{
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }

    .footer-menus{
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
        text-align: center;
    }

    .contact-us{
        text-align: center;
    }

    .contact-us p{
        font-size: 14px;
    }

    .footer-menu{
        text-align: center;
    }

    .footer-menu .menu-items img{
        width: 140px !important;
        height: 140px !important;
    }

    .icp-info{
        font-size: 12px;
        justify-content: center;
    }

    .icp-info img{
        width: 16px !important;
        height: 16px !important;
    }

    .page-hero h1{
        font-size: var(--font-2xl);
    }

    .page-hero p{
        font-size: var(--font-md);
    }
}

/* ========== 三元催化技术板块 ========== */
.tech-catalysis{
    position: relative;
}

.tech-grid{
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--spacing-2xl);
    max-width: 1100px;
    width: 100%;
    margin: 0 auto;
}

.tech-main{
    background: var(--primary-gradient);
    color: #fff;
    padding: var(--spacing-3xl) var(--spacing-xl);
    border-radius: var(--border-radius-xl);
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
}

.tech-main-icon{
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
}

.tech-main-icon i{
    font-size: 36px;
    color: #fff;
}

.tech-main h3{
    font-size: var(--font-2xl);
    font-weight: 700;
    color: #fff;
    margin-bottom: var(--spacing-sm);
}

.tech-main p{
    font-size: var(--font-md);
    line-height: 1.8;
    opacity: 0.95;
    color: #fff;
}

.tech-features{
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
}

.tech-feature{
    background: var(--bg-white);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--border-color);
    transition: all var(--transition-base);
    text-align: left;
}

.tech-feature:hover{
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-light);
}

.tech-feature i{
    font-size: 32px;
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
    display: block;
}

.tech-feature h4{
    font-size: var(--font-lg);
    color: var(--text-primary);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.tech-feature p{
    font-size: var(--font-sm);
    color: var(--text-tertiary);
    line-height: 1.8;
}

/* ========== 扶阳透灸仪六大优势板块 ========== */
.advantages{
    background: var(--bg-light);
    max-width: 100%;
    width: 100%;
}

.advantages > *{
    max-width: var(--container-max);
    margin-left: auto;
    margin-right: auto;
}

.advantage-grid{
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
    width: 100%;
}

.advantage-card{
    background: var(--bg-white);
    padding: var(--spacing-2xl) var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    text-align: center;
    position: relative;
    overflow: hidden;
    transition: all var(--transition-base);
}

.advantage-card::before{
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--primary-gradient);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-base);
}

.advantage-card:hover{
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-light);
}

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

.advantage-num{
    font-size: 48px;
    font-weight: 800;
    color: var(--primary-light);
    line-height: 1;
    margin-bottom: var(--spacing-sm);
    transition: color var(--transition-base);
}

.advantage-card:hover .advantage-num{
    color: var(--primary-color);
}

.advantage-icon{
    width: 64px;
    height: 64px;
    background: var(--primary-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md);
    transition: all var(--transition-base);
}

.advantage-icon i{
    font-size: 28px;
    color: var(--primary-color);
}

.advantage-card:hover .advantage-icon{
    background: var(--primary-color);
}

.advantage-card:hover .advantage-icon i{
    color: #fff;
}

.advantage-card h4{
    font-size: var(--font-xl);
    color: var(--text-primary);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.advantage-card p{
    font-size: var(--font-sm);
    color: var(--text-tertiary);
    line-height: 1.8;
}

/* ========== 响应式设计补充 ========== */
@media (max-width: 1100px){
    .tech-grid{
        grid-template-columns: 1fr;
    }
}

@media (max-width: 992px){
    .tech-features{
        grid-template-columns: 1fr;
    }

    .advantage-grid{
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px){
    .advantage-grid{
        grid-template-columns: 1fr;
    }

    .tech-main{
        padding: var(--spacing-2xl) var(--spacing-lg);
    }

    .tech-main h3{
        font-size: var(--font-xl);
    }
}

@media (max-width: 480px){
    .slide-caption h1{
        font-size: 24px;
    }

    .slide-caption h3{
        font-size: var(--font-sm);
    }

    .stat-num{
        font-size: 32px;
    }

    .advantage-num{
        font-size: 36px;
    }
}