/* main.css - 主页面专属样式 */

/* ========== 基础变量与重置 ========== */
:root {
    --color-primary: #1a1a1a;
    --color-secondary: #0066cc;
    --color-accent: #3b68c5;
    --color-accent-light: #3388ee;
    --color-white: #ffffff;
    --color-light-gray: #f9fafc;
    --color-gray: #666666;
    --color-dark-gray: #333333;
    --border-radius: 8px;
    --border-radius-lg: 12px;
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-heavy: 0 8px 30px rgba(0, 0, 0, 0.12);
    --transition: all 0.3s ease;
}

/** {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Noto Sans SC', sans-serif;
    line-height: 1.6;
    color: var(--color-dark-gray);
    background: var(--color-white);
}

.container {
    max-width: 3000px;
    margin: 0 auto;
    padding: 0 0px;
}*/

/* 防止水平滚动条 */
.main-page {
    overflow: hidden;
}

/* ====== 主视觉轮播图 ====== */
.main-visual {
    position: relative;
    height: 100vh;
    min-height: 700px;
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, rgba(0,0,0,0.5) 0%, rgba(0,0,0,0.1) 100%);
    z-index: 5;
}

.hero-content { 
    position: absolute; 
    top: 65%; 
    left: 50%; 
    transform: translate(-50%, -50%); 
    text-align: center; 
    align-items: center;
    justify-content: center;
    color: white; 
    padding: 0 20px;
    z-index: 15;
}

.hero-title { 
	font-size: 4.5rem; 
	font-weight: 700; 
	line-height: 1.1; 
	letter-spacing: -2px; 
	margin-bottom: 20px;
}

.hero-subtitle { 
	font-size: 1.6rem; 
	opacity: 0.9; 
	font-weight: 300; 
	letter-spacing: 1px;
}

/* ====== 轮播图样式 ====== */
.carousel {
    position: relative;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.carousel-slides {
    position: relative;
    width: 100%;
    height: 100%;
    /* 删除 display: flex 和 transform transition */
}

.carousel-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transform: scale(1.25);
    transition: opacity 1s ease, transform 3s ease;
    z-index: 1;
}

.carousel-slide.active {
    opacity: 1;
    transform: scale(1);
    z-index: 2;
}

.carousel-slide img {
    width: 100%;
    height: 100%;
  
    transition: transform 5s ease;
}

.carousel-slide.active img {
    transform: scale(1.0);
}

/* 轮播导航按钮 */
.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    color: white;
    font-size: 1.2rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    z-index: 100;
    opacity: 0.7;
}

.carousel:hover .carousel-btn {
    opacity: 1;
}

.carousel-prev {
    left: 30px;
}

.carousel-next {
    right: 30px;
}

.carousel-btn:hover {
    background: rgba(0, 102, 204, 0.8);
    transform: translateY(-50%) scale(1.1);
}

/* 轮播指示点 */
.carousel-dots {
    position: absolute;
    bottom: 30px;
    left: 0;
    right: 0;
    display: flex;
    justify-content: center;
    gap: 10px;
    z-index: 100;
}

.carousel-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    border: none;
    cursor: pointer;
    padding: 0;
    transition: all 0.3s ease;
}

.carousel-dot.active {
    background: var(--color-accent);
    transform: scale(1.2);
}

.carousel-dot:hover {
    background: rgba(255, 255, 255, 0.8);
    transform: scale(1.1);
}

.carousel-content {
    position: absolute;
    top: 70%;
    left: 60%;
    transform: translate(-50%, -50%);
    color: white;
    max-width: 1200px;
    width: 90%;
    padding: 0 20px;
}

.visual-title {
    font-size: 5rem;
    font-weight: 700;
    margin-bottom: 20px;
}

.visual-subtitle {
    font-size: 1.2rem;
    margin-bottom: 40px;
    opacity: 0.9;
    max-width: 600px;
}

.visual-cta {
    display: inline-block;
    padding: 14px 36px;
    background: var(--color-accent);
    color: var(--color-white);
    border-radius: var(--border-radius);
    font-weight: 500;
    text-decoration: none;
    transition: var(--transition);
}



.visual-cta:hover {
    background: var(--color-accent-light);
    transform: translateY(-2px);
}

/* ====== 产品与解决方案板块 ====== */
.solutions-section {
    padding: 60px 0 30px 0;
    background: var(--color-white);
}

.section-header {
    text-align: center;
    margin-bottom: 40px;
}

.section-tagline {
    font-size: 0.9rem;
    color: var(--color-accent);
    font-weight: 500;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 12px;
}

.section-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--color-primary);
}

.section-desc {
    font-size: 1rem;
    color: var(--color-gray);
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.6;
}

/* 产品解决方案桌面端网格布局 */
.solutions-grid-layout {
    display: grid !important;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 30px;
}

/* 左边列 - 上下1:1 */
.left-grid {
    display: grid;
    grid-template-rows: 58% 42%;
    gap: 20px;
    height: 771px;
}

/* 右边列 - 上下4:6 */
.right-grid {
    display: grid;
    grid-template-rows: 40% 60%;
    gap: 20px;
    height: 771px;
}

/* 右下部分 - 左右7:3，使用百分比和间隙平衡 */
.right-grid-bottom {
    display: grid;
    grid-template-columns: calc(70% - 10px) calc(30% - 10px);
    gap: 20px;
    height: 100%;
}
/* 产品解决方案桌面端网格布局 */

/* 产品解决方案移动端网格布局 */
.solutions-column-layout {
	display: none !important;
}
    /* 全宽卡片跨两列 */
    .solutions-column-layout .solution-card.full-width {
        grid-column: span 2;
        min-height: 220px; /* 关键：防止高度塌陷 */
    }

/* 左右边列 - 上下1:1 */
/* 子列容器：让它们撑满高度 */
.left-column,
.right-column {
	display: grid;
	grid-template-rows: 1fr 1fr; /* 等高分配 */
	gap: 20px;
	/* 不要 height: 100% —— 因为父容器现在是 grid，会自动分配 */
}
/* 产品解决方案移动端网格布局 */

/* 解决方案卡片 */
.solution-card {
    position: relative;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    text-decoration: none;
    color: inherit;
    width: 100%;
    height: 100%;
}

/* 确保小卡片的图片完全覆盖 */
.solution-card.small .solution-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.solution-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-heavy);
}

.solution-image {
    width: 100%;
    height: 100%;
    position: relative;
}

.solution-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

/* 图片遮罩层 - 渐变从右下到左上 */
.solution-image::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top left, rgba(0,0,0,0.7) 0%, rgba(0,0,0,0.3) 50%, rgba(0,0,0,0) 100%);
    opacity: 0.7;
    transition: opacity 0.3s ease;
}

.solution-card:hover .solution-image::after {
    opacity: 0.8;
}

/* 文字内容 - 定位在左上方 */
.solution-content {
    position: absolute;
    top: 15px;
    left: 15px;
    right: 15px;
    z-index: 2;
    color: white;
    max-width: 85%;
}

.solution-title {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 8px;
    line-height: 1.2;
}

.solution-desc {
    font-size: 0.85rem;
    line-height: 1.4;
    margin-bottom: 10px;
    opacity: 0.9;
}

.solution-link {
    display: inline-flex;
    align-items: center;
    color: white;
    font-weight: 500;
    transition: var(--transition);
    font-size: 0.85rem;
}

.solution-link i {
    margin-left: 6px;
    transition: transform 0.3s ease;
    font-size: 0.85rem;
}

.solution-card:hover .solution-link i {
    transform: translateX(3px);
}

/* 小卡片样式 */
.solution-card.small {
    min-height: auto;
}

.solution-card.small .solution-title {
    font-size: 1rem;
}

.solution-card.small .solution-desc {
    font-size: 0.75rem;
    margin-bottom: 8px;
}

/* 底部CTA */
.solutions-cta {
    text-align: center;
    padding: 25px;
    background: linear-gradient(135deg, rgba(0, 102, 204, 0.03) 0%, rgba(0, 102, 204, 0.08) 100%);
    border-radius: var(--border-radius);
}

.solutions-cta p {
    font-size: 1rem;
    color: var(--color-primary);
    margin-bottom: 15px;
}

.btn-outline {
    display: inline-flex;
    align-items: center;
    padding: 10px 24px;
    background: transparent;
    color: var(--color-accent);
    border: 2px solid var(--color-accent);
    border-radius: var(--border-radius);
    font-weight: 500;
    text-decoration: none;
    transition: var(--transition);
    font-size: 0.9rem;
}

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

/* ====== 公司简介板块 ====== */
.company-section {
    position: relative;
    display: flex;
    align-items: center;
    width: 100%;
    height: auto;
    aspect-ratio: 1920 / 1080;
    padding: 80px 0;
    color: var(--color-white);
    background: none;
    overflow: hidden;
    margin-bottom: 0;
}

/* 全屏背景图片容器 */
.company-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

/* 内容容器 */
.company-container {
    position: relative;
    z-index: 1;
    margin: 0 auto;
    padding: 0 20px;
    text-align: left;
    width: 100%;
}

.company-content {
    display: block;
}

/* 标题样式调整 */
.company-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 30px;
    color: var(--color-black);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0);
}

/* 描述文本样式调整 */
.company-desc {
    font-size: 1.2rem;
    line-height: 1.8;
    margin-bottom: 50px;
    max-width: 800px;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
	color: var(--color-black);
}

/* 核心数据网格展示 */
.company-stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 20px;
    padding-left: 10px;
    padding-right: 10px;
    max-width: 800px;
    text-align: left;
}

.stat-card {
    background: rgba(255, 255, 255, 0);
    
    border-radius: var(--border-radius);
    padding: 25px 20px;
    text-align: center;
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0);
}

.stat-card:hover {
    background: rgba(255, 255, 255, 0);
    transform: translateY(-5px);
}

.stat-icon {
    font-size: 2rem;
    color: var(--color-accent-light);
    margin-bottom: 12px;
    display: block;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 5px;
    color: var(--color-black);
}

.stat-label {
    font-size: 0.95rem;
    opacity: 0.9;
    color: var(--color-black);
}

/* ====== 我们的团队板块 ====== */
.team-section {
    position: relative;
    display: flex;
    align-items: center;
    width: 100%;
    height: auto;
    aspect-ratio: 1920 / 1080;
    padding: 80px 0px;
    color: var(--color-white);
    overflow: hidden;
}

.team-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.team-container {
    position: relative;
    z-index: 1;
    margin: 0 auto;
    padding: 0 20px;
    text-align: left;
    width: 100%;
}
.team-content {
    display: block;
}

.team-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 30px;
    color: var(--color-black);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0);
}

.team-desc {
    font-size: 1.2rem;
    line-height: 1.8;
    margin-bottom: 50px;
    color: var(--color-black);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}
/* ====== 我们的团队板块 ====== */

/* ========== 移动端专属样式 ========== */
@media (max-width: 1236px) {/* ========== 150% ========== ipad air 820*1180 ========== */
    /* main.css - 主页面专属样式 */

    /* 轮播图 */
	.hero-content {
		/* 定位到底部中央 */
        top: auto;
        bottom: 20px; /* 离底部的距离，根据实际情况调整 */
        left: 50%;
        transform: translateX(-50%);
    	min-width: 100%;
	}

	.hero-title { 
		font-size: 2.0rem; 
		font-weight: 700; 
		line-height: 1.1; 
		letter-spacing: -2px; 
		margin-bottom: 20px; 
	}

	.hero-subtitle { 
		font-size: 1.0rem; 
		opacity: 0.9; 
		font-weight: 300; 
		letter-spacin*9+-4g: 1px; 
		margin: 20px; 
		display: flex !important;
	}

	body.lang-en .hero-subtitle {
		/*  display: none !important; */
	}
	
	/* 产品解决方案移动端网格布局 */
	.section-title {
		font-size: 1.5rem;
	}
	
	.solutions-grid-layout {
        display: none !important;
    }

    .solutions-column-layout {
        display: grid !important; /* 保持 grid 布局 */
		grid-template-columns: 1fr 1fr;
		gap: 20px;
		margin: 20px;
    }
	
	/* 公司简介板块 */
	.company-section {
		/* aspect-ratio: 750 / 1035; */
		flex-direction: column; /* 改变内容流向，先显示文本后显示图片 */
		text-align: center; /* 文本居中 */
		aspect-ratio: unset; /* 取消固定宽高比 */
		margin: 0px 0px 0px 0px;
		padding: 0px 0px;
	}

    .company-container {
        padding:0px; 
    }
    
    .company-content {
    	padding: 20px 0px;
	}

	.company-content .company-cta {
		margin: 0px 20px ;
	}

	.company-stats-grid {
	 	text-align: center;
	}

    .company-background {
        display: none; /* 隐藏桌面端背景图片 */
    }

	.company-title {
		font-size: 1.5rem;
		margin-bottom: 10px;
		margin: 0 20px;
	}

	.company-desc {
		font-size: 0.6rem;
		margin: 10px 20px;
	}

	.stat-number {
		font-size: 1.5rem;
	}

	.stat-label {
		font-size: 0.6rem;
	}
	
	/* 我们的团队板块 */
	.team-section {

    	aspect-ratio: 750 / 422;
	}
	
	.team-title {
		font-size: 1.5rem;
		margin-bottom: 10px;
		margin: 0 0px;
	}

	.team-desc {
		font-size: 0.6rem;
		margin: 10px 0px;
	}

}

@media (max-width: 927px) {/* ========== 200% ========== */
    /* main.css - 主页面专属样式 */

}

@media (max-width: 649px) {/* ========== 280% ========== */
    /* main.css - 主页面专属样式 */

}

@media (max-width: 525px) {/* ========== 350% ========== */
    /* main.css - 主页面专属样式 */

}

@media (max-width: 428px) {/* ========== 450% ========== iphone 12/13 pro max 428*926 ========== */
    /* main.css - 主页面专属样式 */
	body.lang-en .company-title {
		font-size: 1.0rem;
	}

	body.lang-en .company-desc {
		font-size: 0.4rem;
	}
	
	.team-title {
		font-size: 1.0rem;
	}

	.team-desc {
		font-size: 0.4rem;
	}
	
}

@media (max-width: 414px) {
    /* main.css - 主页面专属样式 */

}

@media (max-width: 412px) {
    /* main.css - 主页面专属样式 */

}

@media (max-width: 390px) {
    /* main.css - 主页面专属样式 */

}

@media (max-width: 384px) {
    /* main.css - 主页面专属样式 */

}

@media (max-width: 360px) {
    /* main.css - 主页面专属样式 */

}