/* 全局样式 */
:root {
    --primary-red: #c20c0c;
    --dark-red: #9c0a0a;
    --light-red: #e74c3c;
    --white: #ffffff;
    --off-white: #f9f9f9;
    --light-gray: #f5f5f5;
    --medium-gray: #777777;
    --dark-gray: #333333;
    --gold: #d4af37;
    --shadow: 0 5px 15px rgba(194, 12, 12, 0.1);
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Microsoft YaHei', 'Segoe UI', sans-serif;
}

body {
    line-height: 1.6;
    color: var(--dark-gray);
    background-color: var(--white);
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section-title {
    text-align: center;
    margin-bottom: 50px;
    position: relative;
}

.section-title h2 {
    font-size: 2.2rem;
    color: var(--primary-red);
    display: inline-block;
    padding: 0 20px;
    background-color: var(--white);
    position: relative;
    z-index: 2;
}

.section-title::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(to right, transparent, var(--primary-red), transparent);
    z-index: 1;
}

.btn {
    display: inline-block;
    padding: 12px 28px;
    background-color: var(--primary-red);
    color: white;
    border-radius: 30px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: var(--transition);
    border: 2px solid var(--primary-red);
}

.btn:hover {
    background-color: var(--dark-red);
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

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

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

/* 头部样式 */
header {
    background-color: var(--white);
    box-shadow: 0 2px 10px rgba(194, 12, 12, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-main {
    background-color: var(--white);
    position: relative;
    z-index: 1000; /* 比 header-top 高一级 */
}

.header-top {
    background-color: var(--primary-red);
    color: white;
    padding: 10px 0;
    font-size: 0.9rem;
    position: relative;
    z-index: 999; /* 确保在菜单按钮下方 */
}

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

.hotline {
    display: flex;
    align-items: center;
}

.hotline i {
    margin-right: 8px;
    color: var(--gold);
}

.header-main {
    padding: 15px 0;
}

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

.logo {
    display: flex;
    align-items: center;
}

.logo-img {
    width: 80px;
    height: 80px;
    margin-right: 15px;
    border-radius: 50%;
    overflow: hidden;
    border: 3px solid var(--primary-red);
    display: flex;
    align-items: center;
    justify-content: center;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-red);
    text-shadow: 1px 1px 2px rgba(0,0,0,0.1);
}

.logo-subtext {
    font-size: 0.8rem;
    color: var(--medium-gray);
    display: block;
    font-weight: normal;
}

nav ul {
    display: flex;
}

nav ul li {
    margin-left: 30px;
}

nav ul li a {
    font-weight: 600;
    color: var(--primary-red);
    padding: 5px 0;
    position: relative;
}

nav ul li a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-red);
    transition: var(--transition);
}

nav ul li a:hover {
    color: var(--primary-red);
}

nav ul li a:hover::after {
    width: 100%;
}

.mobile-menu-btn {
    display: none;
    font-size: 1.5rem;
    color: var(--primary-red);
    background: none;
    border: none;
    cursor: pointer;
}

/* 在现有的 mobile-menu-btn 样式下方添加媒体查询 */
@media (max-width: 768px) {
    .mobile-menu-btn {
        display: block;
        position: absolute;
        top: 15px;
        right: 15px;
        font-size: 1.5rem;
        color: var(--primary-red);
        background-color: white; /* 添加白色背景 */
        border: 2px solid var(--primary-red); /* 添加边框 */
        border-radius: 5px;
        cursor: pointer;
        padding: 8px 12px;
        z-index: 1001; /* 确保在最上层 */
        box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2); /* 添加阴影 */
        transition: var(--transition);
    }

    .mobile-menu-btn:hover {
        background-color: var(--primary-red);
        color: white;
        transform: scale(1.05);
    }

    /* 调整 header-main 的 padding 为按钮留出空间 */
    .header-main {
        padding: 10px 0;
        min-height: 70px; /* 确保有足够高度 */
    }

    /* 调整 logo 位置 */
    .logo {
        margin-bottom: 5px;
    }

    /* 确保 header-top 在移动端有足够空间 */
    .header-top {
        padding: 8px 0;
        font-size: 0.8rem;
    }
}

/* 更小屏幕的优化 */
@media (max-width: 576px) {
    .mobile-menu-btn {
        top: 10px;
        right: 10px;
        padding: 6px 10px;
        font-size: 1.3rem;
    }

    .header-main {
        min-height: 60px;
    }
}

/* 轮播图样式 */
    .hero-slider {
        height: 600px;
        position: relative;
        overflow: hidden;
    }

    .slide {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background-size: 100% 100%; /* 改为cover以保持图片比例 */
        background-position: center;
        background-repeat: no-repeat;
        display: flex;
        align-items: center;
        opacity: 0;
        transition: opacity 1s ease;
    }

    .slide.active {
        opacity: 1;
    }

    .slide-content {
        max-width: 600px;
        padding: 20px;
        background-color: rgba(255, 255, 255, 0.9);
        border-radius: 10px;
        margin-left: 10%; /* 保持左边距10% */
        box-shadow: var(--shadow);
        border-left: 5px solid var(--primary-red);
        /* 移除justify-content: center，因为slide已经align-items: center垂直居中了 */
    }

    .slide-content h1 {
        font-size: 2.5rem;
        color: var(--primary-red);
        margin-bottom: 15px;
        line-height: 1.2;
    }

    .slide-content p {
        font-size: 1.1rem;
        color: var(--dark-gray);
        margin-bottom: 25px;
    }

    .slider-dots {
        position: absolute;
        bottom: 30px;
        left: 50%;
        transform: translateX(-50%);
        display: flex;
    }

    .dot {
        width: 12px;
        height: 12px;
        border-radius: 50%;
        background-color: rgba(255, 255, 255, 0.5);
        margin: 0 8px;
        cursor: pointer;
        transition: var(--transition);
    }

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

/* 关于公司部分 */
.about-section {
    padding: 80px 0;
    background-color: var(--off-white);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-text h3 {
    font-size: 1.8rem;
    color: var(--primary-red);
    margin-bottom: 20px;
    line-height: 1.3;
}

.about-text p {
    margin-bottom: 20px;
    color: var(--medium-gray);
}

.about-image {
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow);
    height: 400px;
    background-image: url('/image/index/banner.jpg');
    background-size: cover;
    background-position: center;
    position: relative;
}

/* 产品中心部分 - 全新3x3网格布局 */
.products-section {
    padding: 100px 0;
    position: relative;
    background-image: url('/image/index/background-red.jpg');
    background-size: cover;
    background-position: center;
}

.products-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.4);
    z-index: 1;
}

.products-section .container {
    position: relative;
    z-index: 2;
}

.products-section .section-title h2 {
    background-color: transparent;
    color: white;
}

.products-section .section-title::after {
    background: linear-gradient(to right, transparent, var(--gold), transparent);
}

/* 新的3x3网格布局 - 严格按照要求 */
.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr); /* 3列等宽 */
    grid-template-rows: repeat(3, 200px); /* 3行，每行高度200px */
    gap: 20px;
    margin-bottom: 40px;
}

/* 产品卡片通用样式 */
.product-card {
    background-color: var(--white);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
    position: relative;
    display: flex;
    flex-direction: column;
    cursor: pointer;
}

.product-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

/* 悬停动画效果 */
.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, rgba(194, 12, 12, 0.1), rgba(212, 175, 55, 0.1));
    opacity: 0;
    transition: var(--transition);
    z-index: 1;
}

.product-card:hover::before {
    opacity: 1;
}

.product-image {
    transition: var(--transition);
}

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

.product-info {
    text-align: center;
    background-color: var(--white);
    position: relative;
    z-index: 2;
}

.product-info h3 {
    font-size: 1.2rem;
    color: var(--primary-red);
    margin-bottom: 8px;
}

.product-info p {
    font-size: 0.9rem;
    color: var(--medium-gray);
}

/* 严格按照要求的单元格合并布局 */

/* 1. 1列1行和2行合并，放火锅底料 */
.product-card:nth-child(1) {
    grid-row: 1 / span 2; /* 从第1行开始，跨越2行 */
    grid-column: 1; /* 第1列 */
}

.product-card:nth-child(1) .product-image {
    flex: 1;
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    background-image: url('/image/product/hotpot-1.png');
}

.product-card:nth-child(1) .product-info {
    padding: 15px;
}

/* 2. 1列3行放油碟 */
.product-card:nth-child(2) {
    grid-row: 3; /* 第3行 */
    grid-column: 1; /* 第1列 */
}

.product-card:nth-child(2) .product-image {
    flex: 1;
    background-size: 60%; /* 放大一倍 */
    background-repeat: no-repeat;
    background-position: center;
    background-image: url('/image/product/sesame-1.png');
}

.product-card:nth-child(2) .product-info {
    padding: 15px;
}

/* 3. 2列1行和3列1行合并，放礼盒 */
.product-card:nth-child(5) {
    grid-row: 1; /* 第1行 */
    grid-column: 2 / span 2; /* 从第2列开始，跨越2列（即2列和3列） */
    display: flex; /* 改为左右布局 */
    flex-direction: row;
}

/* 礼盒图片区域 - 占60% */
.product-card:nth-child(5) .product-image {
    flex: 6; /* 占6份 */
    background-size: 60%;
    background-repeat: no-repeat;
    background-position: center;
    background-image: url('/image/product/gift-1.png');
    min-height: 200px;
}

/* 礼盒文案区域 - 占40% */
.product-card:nth-child(5) .product-info {
    flex: 4; /* 占4份 */
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 20px;
    text-align: left; /* 左对齐 */
}

.product-card:nth-child(5) .product-info h3 {
    font-size: 1.4rem;
    margin-bottom: 10px;
}

.product-card:nth-child(5) .product-info p {
    font-size: 1rem;
    line-height: 1.5;
}

/* 4. 2列2行和3行合并，放量贩装 */
.product-card:nth-child(3) {
    grid-row: 2 / span 2; /* 从第2行开始，跨越2行（即第2行和第3行） */
    grid-column: 2; /* 第2列 */
}

.product-card:nth-child(3) .product-image {
    flex: 1;
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    background-image: url('/image/product/bulk-4.png');
}

.product-card:nth-child(3) .product-info {
    padding: 15px;
}

/* 5. 3列2行和3行合并，放小瓶装 */
.product-card:nth-child(4) {
    grid-row: 2 / span 2; /* 从第2行开始，跨越2行（即第2行和第3行） */
    grid-column: 3; /* 第3列 */
}

.product-card:nth-child(4) .product-image {
    flex: 1;
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    background-image: url('/image/product/bottle-3.png');
}

.product-card:nth-child(4) .product-info {
    padding: 15px;
}

/* 查看更多按钮 */
.products-section .btn {
    display: block;
    width: fit-content;
    margin: 40px auto 0;
}

/* 标语部分 */
.slogan-section {
    padding: 30px 0;
    background-color: var(--primary-red);
    position: relative;
    overflow: hidden;
}

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

.slogan-content h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    line-height: 1.3;
}

.slogan-content p {
    font-size: 1.2rem;
    font-weight: 600;
}

/* 合作案例部分 */
.cases-section {
    padding: 100px 0;
    background-color: var(--off-white);
}

.cases-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 30px;
    margin-bottom: 50px;
}

.case-card {
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.case-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.case-image {
    height: 200px;
    background-size: cover;
    background-position: center;
    position: relative;
}

.case-content {
    padding: 25px;
}

.case-content h3 {
    font-size: 1.3rem;
    color: var(--primary-red);
    margin-bottom: 15px;
}

.case-content p {
    color: var(--medium-gray);
    margin-bottom: 10px;
}

.case-tag {
    display: inline-block;
    background-color: var(--gold);
    color: white;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.9rem;
    margin-top: 15px;
}

.cases-section .btn {
    display: block;
    width: fit-content;
    margin: 0 auto;
}

/* 餐饮调料定制部分 */
.custom-section {
    padding: 100px 0;
    background: linear-gradient(rgba(255, 255, 255, 0.97), rgba(255, 255, 255, 0.99));
    position: relative;
    overflow: hidden;
}

.custom-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
            radial-gradient(circle at 20% 30%, rgba(194, 12, 12, 0.05) 0%, transparent 50%),
            radial-gradient(circle at 80% 70%, rgba(212, 175, 55, 0.05) 0%, transparent 50%);
    z-index: 1;
}

.custom-section .container {
    position: relative;
    z-index: 2;
}

.custom-section .section-title {
    margin-bottom: 60px;
}

.custom-section .section-title h2 {
    font-size: 2.4rem;
    color: var(--primary-red);
    letter-spacing: 1px;
    position: relative;
    display: inline-block;
}

.custom-section .section-title h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: linear-gradient(to right, var(--primary-red), var(--gold));
    border-radius: 2px;
}

.custom-section .section-title p {
    font-size: 1.1rem;
    color: var(--medium-gray);
    margin-top: 25px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

/* 主布局容器 - 围绕布局 */
.custom-layout {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    width: 100%;
    min-height: 800px;
}

@media (max-width: 1200px) {
    .custom-layout {
        min-height: 700px;
    }
}

@media (max-width: 991px) {
    .custom-layout {
        min-height: auto;
        flex-direction: column;
    }
}

/* 中心圆环区域 */
.center-circle-wrapper {
    position: relative;
    width: 360px;
    height: 360px;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 10;
}

@media (max-width: 991px) {
    .center-circle-wrapper {
        margin-bottom: 60px;
    }
}

.center-circle {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: linear-gradient(135deg, white 0%, #f9f9f9 100%);
    box-shadow:
            0 20px 60px rgba(194, 12, 12, 0.15),
            0 0 0 1px rgba(212, 175, 55, 0.1) inset,
            0 0 30px rgba(212, 175, 55, 0.05) inset;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: relative;
    transition: var(--transition);
    border: 12px solid rgba(255, 255, 255, 0.9);
}

.center-circle::before {
    content: '';
    position: absolute;
    top: -15px;
    left: -15px;
    right: -15px;
    bottom: -15px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-red), var(--gold), var(--primary-red));
    opacity: 0.15;
    z-index: -1;
    transition: var(--transition);
}

.center-circle:hover::before {
    opacity: 0.25;
}

/* 核心数据 - 在圆环中心显示，包含标题 */
.stats-center {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 0 30px;
    z-index: 2;
    width: 100%;
    height: 100%;
}

.stats-title-top {
    font-size: 1.4rem;
    color: var(--primary-red);
    font-weight: 700;
    margin-bottom: 10px;
    text-align: center;
    position: relative;
    padding-bottom: 8px;
}

.stats-title-top::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 2px;
    background: var(--gold);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    grid-template-rows: repeat(2, 1fr);
    gap: 25px;
    width: 100%;
    margin: 20px 0;
}

.stat-center-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 10px;
}

.stat-center-value {
    font-size: 2.3rem;
    font-weight: 800;
    color: var(--primary-red);
    line-height: 1;
    margin-bottom: 8px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    position: relative;
}

.stat-center-value::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 50%;
    transform: translateX(-50%);
    width: 30px;
    height: 2px;
    background: var(--gold);
    opacity: 0.7;
}

.stat-center-label {
    font-size: 0.9rem;
    color: var(--dark-gray);
    line-height: 1.3;
    font-weight: 600;
    max-width: 90px;
    margin: 0 auto;
}

.stats-title-bottom {
    font-size: 1.4rem;
    color: var(--primary-red);
    font-weight: 700;
    margin-top: 20px;
    text-align: center;
    position: relative;
    padding-top: 8px;
}

.stats-title-bottom::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 2px;
    background: var(--gold);
}

/* 四个核心特点 - 围绕圆球布局 */
.features-around {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    max-width: 1200px;
    height: 100%;
    z-index: 5;
}

@media (max-width: 991px) {
    .features-around {
        position: relative;
        top: 0;
        left: 0;
        transform: none;
        width: 100%;
        height: auto;
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        grid-template-rows: repeat(2, 1fr);
        gap: 30px;
        margin-top: 0;
        max-width: 100%;
    }
}

@media (max-width: 768px) {
    .features-around {
        grid-template-columns: 1fr;
        grid-template-rows: repeat(4, auto);
    }
}

/* 特性卡片 - 围绕圆球定位，边界与容器对齐 */
.feature-card-around {
    position: absolute;
    width: 400px;
    background-color: white;
    border-radius: 15px;
    padding: 30px;
    box-shadow: 0 15px 40px rgba(194, 12, 12, 0.12);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    border: 1px solid rgba(194, 12, 12, 0.1);
    z-index: 6;
    text-align: center;
    align-items: center;
}

@media (max-width: 1400px) {
    .feature-card-around {
        width: 380px;
    }
}

@media (max-width: 1200px) {
    .feature-card-around {
        width: 350px;
        padding: 25px;
    }
}

@media (max-width: 991px) {
    .feature-card-around {
        position: relative;
        width: 100%;
        min-height: 300px;
        padding: 25px;
    }
}

.feature-card-around:hover {
    transform: translateY(-10px) scale(1.05);
    box-shadow: 0 25px 60px rgba(194, 12, 12, 0.2);
    z-index: 10;
}

/* 四个卡片的具体位置 - 围绕圆球，边界与容器对齐，增加上下间距 */
.feature-card-around:nth-child(1) {
    /* 左上 */
    top: 5%;
    left: 0;
}

.feature-card-around:nth-child(2) {
    /* 右上 */
    top: 5%;
    right: 0;
}

.feature-card-around:nth-child(3) {
    /* 左下 */
    bottom: 5%;
    left: 0;
}

.feature-card-around:nth-child(4) {
    /* 右下 */
    bottom: 5%;
    right: 0;
}

@media (min-width: 1400px) {
    .feature-card-around:nth-child(1) {
        top: 2%;
        left: 0;
    }

    .feature-card-around:nth-child(2) {
        top: 2%;
        right: 0;
    }

    .feature-card-around:nth-child(3) {
        bottom: 2%;
        left: 0;
    }

    .feature-card-around:nth-child(4) {
        bottom: 2%;
        right: 0;
    }
}

@media (max-width: 1200px) {
    .feature-card-around:nth-child(1) {
        top: 8%;
        left: 10px;
    }

    .feature-card-around:nth-child(2) {
        top: 8%;
        right: 10px;
    }

    .feature-card-around:nth-child(3) {
        bottom: 8%;
        left: 10px;
    }

    .feature-card-around:nth-child(4) {
        bottom: 8%;
        right: 10px;
    }
}

/* 卡片悬停时连接线效果 */
.feature-card-around::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-red), var(--gold));
    opacity: 0;
    transition: var(--transition);
    z-index: -1;
}

.feature-card-around:hover::before {
    opacity: 0.4;
    width: 150px;
}

/* 调整卡片内元素的定位 - 水平居中 */
.feature-card-around .feature-icon-circle {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-red), var(--light-red));
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    margin-bottom: 20px;
    transition: var(--transition);
    flex-shrink: 0;
    box-shadow: 0 8px 20px rgba(194, 12, 12, 0.2);
    z-index: 2;
}

.feature-card-around:hover .feature-icon-circle {
    transform: rotate(15deg) scale(1.1);
    background: linear-gradient(135deg, var(--dark-red), var(--primary-red));
}

.feature-card-around h3 {
    font-size: 1.4rem;
    color: var(--primary-red);
    margin-bottom: 15px;
    line-height: 1.3;
    flex-shrink: 0;
    font-weight: 700;
    z-index: 2;
    text-align: center;
    width: 100%;
}

.feature-card-around p {
    color: var(--medium-gray);
    font-size: 0.97rem;
    line-height: 1.7;
    flex-grow: 1;
    margin-bottom: 15px;
    z-index: 2;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 4;
    -webkit-box-orient: vertical;
    text-align: left;
}

@media (max-width: 991px) {
    .feature-card-around p {
        -webkit-line-clamp: 3;
        text-align: center;
    }
}

/* 标签装饰 */
.feature-tag-around {
    display: inline-block;
    background: linear-gradient(135deg, var(--primary-red), var(--light-red));
    color: white;
    padding: 6px 15px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-top: auto;
    align-self: center;
    box-shadow: 0 4px 10px rgba(194, 12, 12, 0.2);
    transition: var(--transition);
    z-index: 2;
}

.feature-card-around:hover .feature-tag-around {
    background: linear-gradient(135deg, var(--gold), var(--primary-red));
    transform: translateY(-3px);
    box-shadow: 0 6px 15px rgba(194, 12, 12, 0.3);
}

/* 连接线 - 增强视觉效果 */
.connection-line-around {
    position: absolute;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-red), var(--gold));
    opacity: 0.1;
    transform-origin: center;
    z-index: 3;
    transition: var(--transition);
}

.connection-line-around-1 {
    top: 50%;
    left: 50%;
    width: 180px;
    transform: translate(-50%, -50%) rotate(-45deg) translateX(-90px);
}

.connection-line-around-2 {
    top: 50%;
    left: 50%;
    width: 180px;
    transform: translate(-50%, -50%) rotate(45deg) translateX(-90px);
}

.connection-line-around-3 {
    top: 50%;
    left: 50%;
    width: 180px;
    transform: translate(-50%, -50%) rotate(135deg) translateX(-90px);
}

.connection-line-around-4 {
    top: 50%;
    left: 50%;
    width: 180px;
    transform: translate(-50%, -50%) rotate(-135deg) translateX(-90px);
}

.feature-card-around:hover ~ .connection-line-around-1,
.feature-card-around:nth-child(1):hover ~ .connection-line-around-1 {
    opacity: 0.4;
    width: 220px;
}

.feature-card-around:hover ~ .connection-line-around-2,
.feature-card-around:nth-child(2):hover ~ .connection-line-around-2 {
    opacity: 0.4;
    width: 220px;
}

.feature-card-around:hover ~ .connection-line-around-3,
.feature-card-around:nth-child(3):hover ~ .connection-line-around-3 {
    opacity: 0.4;
    width: 220px;
}

.feature-card-around:hover ~ .connection-line-around-4,
.feature-card-around:nth-child(4):hover ~ .connection-line-around-4 {
    opacity: 0.4;
    width: 220px;
}

@media (max-width: 991px) {
    .connection-line-around {
        display: none;
    }
}

/* 背景装饰 */
.bg-decoration {
    position: absolute;
    z-index: 1;
    pointer-events: none;
    opacity: 0.03;
}

.bg-circle-1 {
    width: 400px;
    height: 400px;
    background: var(--primary-red);
    border-radius: 50%;
    top: -100px;
    left: -100px;
}

.bg-circle-2 {
    width: 300px;
    height: 300px;
    background: var(--gold);
    border-radius: 50%;
    bottom: -100px;
    right: -100px;
}

/* 响应式调整 */
@media (max-width: 991px) {
    .center-circle-wrapper {
        width: 320px;
        height: 320px;
    }

    .stat-center-value {
        font-size: 2rem;
    }

    .stats-title-top,
    .stats-title-bottom {
        font-size: 1.2rem;
    }

    .features-around {
        gap: 25px;
    }
}

@media (max-width: 768px) {
    .center-circle-wrapper {
        width: 280px;
        height: 280px;
    }

    .stat-center-value {
        font-size: 1.8rem;
    }

    .stat-center-label {
        font-size: 0.85rem;
    }

    .stats-title-top,
    .stats-title-bottom {
        font-size: 1.1rem;
    }

    .feature-card-around {
        min-height: 280px;
        padding: 20px;
    }
}

@media (max-width: 576px) {
    .center-circle-wrapper {
        width: 260px;
        height: 260px;
    }

    .stats-grid {
        gap: 15px;
    }

    .stat-center-value {
        font-size: 1.6rem;
    }

    .stats-title-top,
    .stats-title-bottom {
        font-size: 1rem;
        margin-bottom: 5px;
    }

    .feature-card-around {
        min-height: 260px;
        padding: 18px;
    }

    .feature-card-around .feature-icon-circle {
        width: 60px;
        height: 60px;
        font-size: 1.6rem;
    }
}

/* 中心圆环动画效果 */
@keyframes rotate {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

.center-circle-rings {
    position: absolute;
    top: -20px;
    left: -20px;
    right: -20px;
    bottom: -20px;
    border-radius: 50%;
    border: 2px solid transparent;
    border-top-color: rgba(194, 12, 12, 0.2);
    border-right-color: rgba(212, 175, 55, 0.2);
    animation: rotate 20s linear infinite;
    pointer-events: none;
}

.center-circle-rings:nth-child(2) {
    top: -30px;
    left: -30px;
    right: -30px;
    bottom: -30px;
    animation: rotate 25s linear infinite reverse;
    border-top-color: rgba(212, 175, 55, 0.2);
    border-right-color: rgba(194, 12, 12, 0.2);
}

/* 资讯动态部分 */
.news-section {
    padding: 100px 0;
    background-color: var(--off-white);
}

.news-section .btn {
    display: block;
    width: fit-content;
    margin: 30px auto 0;
}

.news-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 30px;
    margin-bottom: 50px;
}

.news-card {
    background-color: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.news-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

.news-img {
    height: 200px;
    background-size: cover;
    background-position: center;
    position: relative;
}

.news-tag {
    position: absolute;
    top: 15px;
    left: 15px;
    background-color: var(--primary-red);
    color: white;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.8rem;
    z-index: 2;
}

.news-content {
    padding: 25px;
}

.news-content h3 {
    font-size: 1.2rem;
    color: var(--primary-red);
    margin-bottom: 15px;
    line-height: 1.4;
}

.news-content p {
    color: var(--medium-gray);
    font-size: 0.95rem;
    margin-bottom: 15px;
}

.news-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--medium-gray);
    font-size: 0.9rem;
}

.news-date i {
    margin-right: 5px;
}

/* 底部样式 */
footer {
    background-color: #1a1a1a;
    color: #cccccc;
    padding-top: 60px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-column h3 {
    color: white;
    font-size: 1.3rem;
    margin-bottom: 25px;
    position: relative;
    padding-bottom: 10px;
}

.footer-column h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background-color: var(--primary-red);
}

.footer-column ul li {
    margin-bottom: 12px;
}

.footer-column ul li a:hover {
    color: var(--primary-red);
    padding-left: 5px;
}

.contact-info li {
    display: flex;
    align-items: flex-start;
    margin-bottom: 15px;
}

.contact-info li i {
    margin-right: 10px;
    color: var(--primary-red);
    margin-top: 5px;
}

.qrcode {
    text-align: center;
    margin-top: 20px;
}

.qrcode-img {
    width: 120px;
    height: 120px;
    background-color: white;
    border-radius: 5px;
    margin: 0 auto 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--primary-red);
}

.footer-bottom {
    border-top: 1px solid #333;
    padding: 25px 0;
    text-align: center;
    font-size: 0.9rem;
    color: #aaa;
}

/* 响应式设计 */
@media (max-width: 1100px) {
    .news-container {
        grid-template-columns: repeat(2, 1fr);
    }
}

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

    .custom-container {
        flex-direction: column;
    }

    .slide-content {
        margin-left: 5%;
        max-width: 500px;
    }

    .slide-content h1 {
        font-size: 2rem;
    }

    .hero-slider {
        height: 500px;
    }

    /* 产品网格在平板设备上调整为2x3布局 */
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
        grid-template-rows: repeat(3, 200px);
    }

    /* 重新调整布局以适应2列 */
    .product-card:nth-child(1) {
        grid-row: 1 / span 2;
        grid-column: 1;
    }

    .product-card:nth-child(2) {
        grid-row: 3;
        grid-column: 1;
    }

    .product-card:nth-child(5) {
        grid-row: 1;
        grid-column: 2;
        flex-direction: column; /* 平板设备上恢复上下布局 */
    }

    .product-card:nth-child(5) .product-image {
        flex: 1;
        min-height: 150px;
    }

    .product-card:nth-child(5) .product-info {
        flex: 1;
        text-align: center;
        padding: 15px;
    }

    .product-card:nth-child(5) .product-info h3 {
        font-size: 1.2rem;
    }

    .product-card:nth-child(3) {
        grid-row: 2 / span 2;
        grid-column: 2;
    }

    .product-card:nth-child(4) {
        grid-row: 1 / span 2;
        grid-column: 1;
    }
}

@media (max-width: 768px) {
    .header-main {
        padding: 10px 0;
        min-height: 70px;
        position: relative;
    }

    .header-top {
        padding: 8px 0;
        font-size: 0.85rem;
        position: relative;
        z-index: 998;
    }

    .mobile-menu-btn {
        position: absolute;
        top: 15px;
        right: 15px;
        font-size: 1.5rem;
        background-color: white;
        color: var(--primary-red);
        border: 2px solid var(--primary-red);
        border-radius: 5px;
        cursor: pointer;
        padding: 8px 12px;
        z-index: 1001;
        box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
        transition: var(--transition);
        width: 45px;
        height: 45px;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .mobile-menu-btn:hover {
        background-color: var(--primary-red);
        color: white;
        transform: scale(1.05);
    }

    nav#mainNav {
        position: fixed;
        top: 0;
        left: -100%;
        width: 100%;
        height: 100vh;
        background-color: var(--primary-red);
        z-index: 1000;
        transition: all 0.4s ease;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    nav#mainNav.active {
        left: 0;
    }

    nav#mainNav ul {
        flex-direction: column;
        width: 100%;
        background: none;
        position: static;
        top: 0;
        box-shadow: none;
        padding: 20px 0;
    }

    nav#mainNav ul li {
        margin: 0;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        width: 100%;
        text-align: center;
    }

    nav#mainNav ul li a {
        display: block;
        padding: 20px;
        color: white;
        font-size: 1.2rem;
        font-weight: 500;
        text-align: center;
        transition: all 0.3s ease;
    }

    nav#mainNav ul li a:hover {
        background-color: rgba(0, 0, 0, 0.2);
        color: white;
        padding-left: 30px;
    }

    nav#mainNav ul li a::after {
        display: none;
    }

    /* 当菜单打开时，隐藏滚动条 */
    body.menu-open {
        overflow: hidden;
    }

    /* 菜单关闭按钮样式 */
    .mobile-menu-btn i.fa-times {
        font-size: 1.3rem;
    }

    /* 调整logo位置 */
    .logo {
        margin-bottom: 5px;
    }

    .header-main .container {
        flex-direction: row;
        padding: 10px 0;
        position: relative;
    }

    .hero-slider {
        height: 400px;
    }

    .slide-content {
        margin: 0 auto;
        max-width: 90%;
    }

    .section-title h2 {
        font-size: 1.8rem;
    }

    .slogan-content h2 {
        font-size: 2rem;
    }

    .news-container,
    .cases-container {
        grid-template-columns: 1fr;
    }

    /* 产品网格在移动设备上调整为1列 */
    .products-grid {
        grid-template-columns: 1fr;
        grid-template-rows: repeat(5, 200px);
    }

    /* 重新调整布局以适应1列 */
    .product-card:nth-child(1),
    .product-card:nth-child(2),
    .product-card:nth-child(3),
    .product-card:nth-child(4),
    .product-card:nth-child(5) {
        grid-row: auto;
        grid-column: 1;
    }

    .product-card:nth-child(1) {
        grid-row: 1;
    }

    .product-card:nth-child(5) {
        grid-row: 2;
        flex-direction: column;
    }

    .product-card:nth-child(5) .product-image {
        flex: 1;
        min-height: 150px;
    }

    .product-card:nth-child(5) .product-info {
        flex: 1;
        text-align: center;
        padding: 15px;
    }

    .product-card:nth-child(5) .product-info h3 {
        font-size: 1.2rem;
    }

    .product-card:nth-child(3) {
        grid-row: 3;
    }

    .product-card:nth-child(4) {
        grid-row: 4;
    }

    .product-card:nth-child(2) {
        grid-row: 5;
    }

    .hero-slider {
        height: 400px;
    }

    .slide-content {
        margin: 0 auto;
        max-width: 90%;
    }

    .section-title h2 {
        font-size: 1.8rem;
    }

    .slogan-content h2 {
        font-size: 2rem;
    }

    .news-container,
    .cases-container {
        grid-template-columns: 1fr;
    }

    /* 产品网格在移动设备上调整为1列 */
    .products-grid {
        grid-template-columns: 1fr;
        grid-template-rows: repeat(5, 200px);
    }

    /* 重新调整布局以适应1列 */
    .product-card:nth-child(1),
    .product-card:nth-child(2),
    .product-card:nth-child(3),
    .product-card:nth-child(4),
    .product-card:nth-child(5) {
        grid-row: auto;
        grid-column: 1;
    }

    .product-card:nth-child(1) {
        grid-row: 1;
    }

    .product-card:nth-child(5) {
        grid-row: 2;
        flex-direction: column; /* 移动设备上保持上下布局 */
    }

    .product-card:nth-child(5) .product-image {
        flex: 1;
        min-height: 150px;
    }

    .product-card:nth-child(5) .product-info {
        flex: 1;
        text-align: center;
        padding: 15px;
    }

    .product-card:nth-child(5) .product-info h3 {
        font-size: 1.2rem;
    }

    .product-card:nth-child(3) {
        grid-row: 3;
    }

    .product-card:nth-child(4) {
        grid-row: 4;
    }

    .product-card:nth-child(2) {
        grid-row: 5;
    }
}

@media (max-width: 576px) {
    .slide-content {
        padding: 20px;
    }

    .slide-content h1 {
        font-size: 1.6rem;
    }

    .hero-slider {
        height: 350px;
    }

    .custom-feature {
        flex-direction: column;
        text-align: center;
    }

    .feature-icon {
        margin-right: 0;
        margin-bottom: 15px;
    }
}

/* 装饰元素 */
.chili-decoration {
    position: absolute;
    width: 60px;
    height: 60px;
    background-color: var(--primary-red);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    z-index: 5;
    opacity: 0.8;
}

.chili-1 {
    top: 10%;
    left: 5%;
}

.chili-2 {
    top: 15%;
    right: 8%;
}

.chili-3 {
    bottom: 20%;
    left: 7%;
}