/* ===== 润喆 · 耀雄高科 主样式表 ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
    line-height: 1.6;
    color: #334155;
    background-color: #ffffff;
    scroll-behavior: smooth;
}

/* 颜色变量 - 工业蓝 */
:root {
    --primary: #1e4a7a;
    --primary-dark: #0f3b6a;
    --primary-light: #2b5f8f;
    --secondary: #10b981;
    --accent: #f97316;
    --accent-light: #fb923c;
    --gray-bg: #f8fafc;
    --text-dark: #1e293b;
    --text-light: #64748b;
    --border-light: #e2e8f0;
    --shadow-sm: 0 8px 20px rgba(0, 30, 60, 0.06);
    --shadow-hover: 0 15px 30px rgba(0, 40, 80, 0.12);
}

.container {
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 30px;
}

/* 标题字体自适应 */
h1 { font-size: 3.1rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 2rem; }
h4 { font-size: 1.6rem; }
h5 { font-size: 1.3rem; }
@media (max-width: 700px) {
    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }
    h3 { font-size: 1.7rem; }
    h4 { font-size: 1.4rem; }
    h5 { font-size: 1.2rem; }
}

/* 按钮 */
.btn {
    display: inline-block;
    padding: 12px 32px;
    border-radius: 50px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.25s ease;
    font-size: 1rem;
    cursor: pointer;
    border: none;
    background: transparent;
}

.btn-primary {
    background-color: var(--accent);
    color: white;
    box-shadow: 0 4px 12px rgba(249, 115, 22, 0.3);
}
.btn-primary:hover {
    background-color: #ea580c;
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(249, 115, 22, 0.4);
}

.btn-outline {
    background-color: transparent;
    border: 2px solid var(--accent);
    color: var(--accent);
}
.btn-outline:hover {
    background-color: var(--accent);
    color: white;
    transform: translateY(-3px);
}

/* 顶部联系条 */
.top-contact-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background-color: var(--accent);
    color: white;
    padding: 16px 0;
    font-weight: 600;
    border-top: 2px solid var(--primary-light);
    box-shadow: 0 -2px 10px rgba(0,0,0,0.1);
    z-index: 1000;
}
.top-contact-bar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}
.top-contact-bar a {
    color: white;
    text-decoration: none;
    margin-left: 20px;
    padding: 5px 15px;
    background-color: rgba(255,255,255,0.15);
    border-radius: 50px;
    transition: background-color 0.3s;
}
.top-contact-bar a:hover {
    background-color: rgba(255,255,255,0.25);
}
/* 小屏幕隐藏联系条 */
@media (max-width: 600px) {
    .top-contact-bar {
        display: none;
    }
}
/* 为 body 添加底部内边距，防止内容被固定条遮挡（大屏幕生效） */
@media (min-width: 601px) {
    body {
        padding-bottom: 70px;
    }
}
/* 头部导航 */
header {
    background: rgba(255,255,255,0.98);
    box-shadow: 0 2px 10px rgba(0,0,0,0.03);
    border-bottom: 1px solid var(--border-light);
    position: sticky;
    top: 0;
    z-index: 99;
}
.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 0;
    flex-wrap: wrap;
}
.logo {
    display: flex;
    align-items: center;
    gap: 8px;
}
.logo i {
    font-size: 2.2rem;
    color: var(--primary);
}
.logo-text h1 {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--primary-dark);
    line-height: 1.2;
}
.logo-text span {
    font-size: 0.8rem;
    font-weight: 400;
    color: var(--text-light);
    letter-spacing: 1px;
}
.nav-links {
    display: flex;
    gap: 36px;
    list-style: none;
    align-items: center;
    flex-wrap: wrap;
}
.nav-links a {
    text-decoration: none;
    font-weight: 600;
    color: var(--text-dark);
    font-size: 1.05rem;
    transition: color 0.2s;
    position: relative;
}
.nav-links a:hover,
.nav-links a.active {
    color: var(--primary);
}
.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 0;
    width: 0%;
    height: 3px;
    background: var(--primary);
    border-radius: 6px;
    transition: 0.25s;
}
.nav-links a:hover::after,
.nav-links a.active::after {
    width: 70%;
}
.mobile-menu-btn {
    display: none;
    font-size: 28px;
    cursor: pointer;
}
@media (max-width: 700px) {
    .nav-links {
        display: none;
    }
    .mobile-menu-btn {
        display: block;
    }
}

/* 面包屑导航 */
.breadcrumb {
    background: var(--gray-bg);
    padding: 12px 0;
    border-bottom: 1px solid var(--border-light);
    font-size: 0.95rem;
}
.breadcrumb .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}
.breadcrumb a {
    color: var(--primary);
    text-decoration: none;
}
.breadcrumb a:hover {
    text-decoration: underline;
}
.breadcrumb .separator {
    margin: 0 8px;
    color: var(--border-light);
}
.page-nav {
    display: flex;
    gap: 20px;
}
.page-nav a {
    color: var(--text-dark);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}
.page-nav a:hover {
    color: var(--primary);
}
@media (max-width: 700px) {
    .page-nav {
        display: none;
    }
}

/* 标题通用 */
.section-title {
    text-align: center;
    margin: 50px 0;
}
.section-title h2,
.section-title h3 {
    color: var(--primary-dark);
    font-weight: 700;
}
.section-title p {
    color: var(--text-light);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 10px auto 0;
}

/* ===== HERO 区域 ===== */
.hero {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
    color: white;
    padding: 60px 0;
}
.hero .container {
    display: flex;
    align-items: center;
    gap: 50px;
    flex-wrap: wrap;
}
.hero-content { flex: 1 1 400px; }
.hero-badge {
    display: inline-block;
    background: rgba(255,255,255,0.15);
    padding: 8px 18px;
    border-radius: 50px;
    font-weight: 600;
    margin-bottom: 20px;
    font-size: 0.95rem;
    backdrop-filter: blur(4px);
}
.hero-content h1 {
    font-size: 3.2rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 20px;
    color: white;
    text-shadow: 0 2px 8px rgba(0,0,0,0.2);
}
.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    opacity: 0.95;
}
.hero-buttons {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}
.hero-image {
    flex: 1 1 400px;
    background: rgba(255,255,255,0.05);
    border-radius: 30px;
    padding: 20px;
    text-align: center;
    border: 1px solid rgba(255,255,255,0.2);
}
.hero-image img {
    width: 100%;
    aspect-ratio: 3/3
    object-fit: cover;
    border-radius: 16px;
}

@media (max-width: 700px) {
    .hero-content h1 { font-size: 2.5rem; }
}

/* 痛点卡片网格 */
.points-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin: 40px 0;
}
.point-card {
    background: white;
    border-radius: 30px;
    padding: 40px 25px;
    box-shadow: var(--shadow-sm);
    transition: 0.3s;
    text-align: center;
    border: 1px solid var(--border-light);
}
.point-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-hover); border-color: var(--primary); }
.point-icon {
    width: 80px; height: 80px; background: var(--gray-bg); border-radius: 50%;
    display: flex; align-items: center; justify-content: center; margin: 0 auto 20px;
    font-size: 2.5rem; color: var(--primary);
}
.point-card h4 { font-size: 1.6rem; color: var(--primary-dark); margin-bottom: 15px; }
.point-card p { color: var(--text-light); line-height: 1.7; }
@media (max-width: 800px) { .points-grid { grid-template-columns: 1fr; } }

/* 核心优势卡片 */
.advantages-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-top: 40px;
}
.advantage-card {
    background: white;
    border-radius: 30px;
    padding: 40px 25px;
    box-shadow: var(--shadow-sm);
    transition: 0.3s;
    text-align: center;
    border: 1px solid var(--border-light);
}
.advantage-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-hover);
    border-color: var(--primary);
}
.advantage-icon {
    width: 90px; height: 90px; margin: 0 auto 25px;
    background: var(--gray-bg); border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 2.8rem; color: var(--primary);
    transition: 0.2s;
}
.advantage-card:hover .advantage-icon {
    background: var(--primary); color: white;
}
.advantage-card h3 {
    font-size: 1.6rem; color: var(--primary-dark); margin-bottom: 15px;
}
.advantage-card p {
    color: var(--text-light); font-size: 1rem; line-height: 1.7;
}
@media (max-width: 1000px) {
    .advantages-grid { grid-template-columns: repeat(2,1fr); }
}
@media (max-width: 700px) {
    .advantages-grid { grid-template-columns: 1fr; }
}

/* 产品卡片网格 */
.products-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
    margin: 40px 0;
}
@media (min-width: 600px) {
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}
@media (min-width: 1000px) {
            .products-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }
        /* 产品卡片图片样式 – 自适应缩放 */
        .product-icon {
            width: 100px;
            height: 100px;
            overflow: hidden;
            border-radius: 5%;
            margin: 0 auto 20px;
        }
        .product-icon img {
            width: 100%;
            height: 100%;
            object-fit: cover;  /* 覆盖容器，保持比例 */
            display: block;
        }
.product-card {
    background: white;
    border-radius: 20px;
    padding: 30px 20px;
    box-shadow: var(--shadow-sm);
    text-align: center;
    border: 1px solid var(--border-light);
    transition: 0.3s;
}
.product-card:hover { border-color: var(--primary); transform: translateY(-5px); box-shadow: var(--shadow-hover); }
.product-icon {
    width: 80px; height: 80px; background: var(--gray-bg); border-radius: 50%;
    display: flex; align-items: center; justify-content: center; margin: 0 auto 20px;
    font-size: 3rem; color: var(--primary);
}
.product-card h4 { font-size: 1.5rem; color: var(--primary-dark); margin-bottom: 10px; }
.product-desc { color: var(--text-light); font-size: 0.95rem; margin: 10px 0; }
.product-tag {
    display: inline-block; background: var(--primary-light); color: white;
    padding: 5px 15px; border-radius: 50px; font-size: 0.85rem; font-weight: 600;
}
.product-sku { font-size: 0.8rem; color: var(--text-light); margin-top: 15px; }

/* 工作原理双列 */
.principle-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
    background: var(--gray-bg);
    border-radius: 40px;
    padding: 40px;
}
.principle-text { display: flex; flex-direction: column; gap: 20px; }
.principle-item {
    display: flex; align-items: center; gap: 15px;
    background: white; padding: 15px 20px; border-radius: 60px; box-shadow: var(--shadow-sm);
}
.principle-item i { font-size: 2rem; color: var(--primary); width: 50px; text-align: center; }
.principle-item p { margin: 0; color: var(--text-dark); }
.principle-diagram {
    background: white; border-radius: 30px; padding: 30px; text-align: center;
    border: 2px dashed var(--primary-light);
}
.diagram-title { font-size: 1.5rem; font-weight: 700; color: var(--primary-dark); margin-bottom: 30px; }
.diagram-row { display: flex; align-items: center; justify-content: center; gap: 10px; margin-bottom: 20px; flex-wrap: wrap; }
.diagram-box { background: var(--primary); color: white; padding: 8px 16px; border-radius: 40px; font-weight: 600; }
.diagram-arrow { color: var(--accent); font-size: 1.5rem; }
.diagram-note { background: var(--accent-light); color: white; padding: 10px; border-radius: 40px; margin-top: 20px; }
@media (max-width: 700px) { .principle-grid { grid-template-columns: 1fr; } }

/* 安装注意事项双列 */
.install-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin-top: 30px;
}
.install-card {
    background: white; border-radius: 24px; padding: 30px; box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light);
}
.install-card h4 { font-size: 1.4rem; color: var(--primary-dark); margin-bottom: 20px; }
.install-card ul { list-style: none; padding: 0; }
.install-card li { margin-bottom: 12px; display: flex; align-items: center; gap: 10px; color: var(--text-light); }
.install-card li i { color: var(--secondary); font-size: 1.2rem; }
@media (max-width: 700px) { .install-grid { grid-template-columns: 1fr; } }

/* 参数表格 */
.table-wrapper { overflow-x: auto; margin: 40px 0; border-radius: 20px; border: 1px solid var(--border-light); }
table { width: 100%; border-collapse: collapse; min-width: 900px; }
th { background: var(--primary-dark); color: white; padding: 15px 10px; font-weight: 600; }
td { padding: 12px 10px; border-bottom: 1px solid var(--border-light); text-align: center; }
tr:nth-child(even) { background: var(--gray-bg); }
.table-note { background: var(--gray-bg); padding: 15px 20px; border-radius: 60px; margin-top: 10px; color: var(--primary); font-weight: 600; }

/* 案例卡片网格 */
.cases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin: 40px 0;
}
.case-card {
    background: white; border-radius: 20px; overflow: hidden; box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light); transition: 0.3s;
}
.case-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-hover); }
.case-image {
    height: 160px; background: linear-gradient(145deg, var(--primary), var(--primary-dark));
    display: flex; align-items: center; justify-content: center; color: white; font-size: 1.5rem; font-weight: 700;
}
.case-content { padding: 20px; }
.case-category {
    background: var(--accent-light); color: white; padding: 4px 12px; border-radius: 50px;
    font-size: 0.8rem; display: inline-block; margin-bottom: 10px;
}
.case-title { font-size: 1.3rem; color: var(--primary-dark); margin-bottom: 8px; }
.case-desc { color: var(--text-light); font-size: 0.95rem; margin-bottom: 15px; }
.case-stats { display: flex; gap: 20px; border-top: 1px solid var(--border-light); padding-top: 15px; }
.case-stat { font-weight: 600; color: var(--primary); }
@media (max-width: 900px) { .cases-grid { grid-template-columns: repeat(2,1fr); } }
@media (max-width: 600px) { .cases-grid { grid-template-columns: 1fr; } }

/* FAQ 网格 */
.faq-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-top: 40px;
}
.faq-item {
    background: white; border-radius: 16px; border: 1px solid var(--border-light);
    transition: 0.3s;
}
.faq-item summary {
    padding: 18px 20px; font-weight: 600; color: var(--primary-dark); cursor: pointer;
    list-style: none; display: flex; justify-content: space-between; align-items: center;
    background: var(--gray-bg); border-radius: 16px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
    content: '\f078'; font-family: 'Font Awesome 6 Free'; font-weight: 900;
    color: var(--primary); transition: transform 0.3s;
}
.faq-item[open] summary::after { transform: rotate(180deg); }
.faq-item p { padding: 20px; margin: 0; color: var(--text-light); }
@media (max-width: 700px) { .faq-grid { grid-template-columns: 1fr; } }

/* 数据条 */
.stats-row {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
    background: var(--primary-dark);
    color: white;
    border-radius: 80px;
    padding: 40px 30px;
    margin: 60px 0;
    gap: 20px;
}
.stat-item {
    text-align: center;
    min-width: 140px;
}
.stat-number {
    font-size: 2.6rem;
    font-weight: 800;
    line-height: 1;
}
.stat-label {
    font-size: 1rem;
    opacity: 0.9;
}
@media (max-width: 600px) {
    .stats-row { display: none; }
}

/* 一站式服务网格 */
.service-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin: 40px 0;
}
.service-step {
    background: white; border-radius: 30px; padding: 30px 20px; text-align: center;
    border: 1px solid var(--border-light); box-shadow: var(--shadow-sm); position: relative;
}
.step-num {
    width: 50px; height: 50px; background: var(--primary); color: white; font-size: 1.8rem;
    font-weight: 800; border-radius: 50%; display: flex; align-items: center; justify-content: center;
    margin: 0 auto 20px;
}
.service-step h5 { font-size: 1.3rem; color: var(--primary-dark); margin-bottom: 10px; }
.service-step p { color: var(--text-light); }
@media (max-width: 800px) { .service-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 500px) { .service-grid { grid-template-columns: 1fr; } }

/* 联系区域双列 */
.split-panel {
    display: flex; flex-wrap: wrap; gap: 40px; background: var(--gray-bg); border-radius: 40px;
    padding: 40px; margin-top: 50px; border: 1px solid var(--border-light);
}
.about-text { flex: 1 1 300px; }
.about-text h4 { font-size: 2rem; color: var(--primary-dark); margin-bottom: 15px; }
.contact-info { margin-top: 30px; }
.info-line { display: flex; align-items: center; gap: 15px; margin-bottom: 15px; font-size: 1.1rem; }
.info-line i { width: 30px; color: var(--primary); font-size: 1.3rem; }
.contact-form { flex: 1 1 350px; background: white; padding: 30px; border-radius: 30px; box-shadow: var(--shadow-sm); }
.form-group { margin-bottom: 15px; }
.form-group input, .form-group textarea {
    width: 100%; padding: 14px 18px; border: 1px solid var(--border-light); border-radius: 50px;
    font-family: inherit; transition: 0.2s;
}
.form-group textarea { border-radius: 20px; resize: vertical; min-height: 100px; }
.form-group input:focus, .form-group textarea:focus { outline: none; border-color: var(--primary); }

/* 关键词标签 */
.keyword-tags {
    display: flex; flex-wrap: wrap; gap: 10px; margin: 20px 0 40px;
}
.keyword-tags span {
    background: white; border: 1px solid var(--border-light); padding: 8px 18px; border-radius: 50px;
    font-size: 0.9rem; color: var(--primary); transition: 0.2s; cursor: default;
}
.keyword-tags span:hover { background: var(--primary); color: white; border-color: var(--primary); }

/* 悬浮客服组 */
.float-group {
    position: fixed;
    bottom: 100px;
    right: 30px;
    display: flex;
    flex-direction: column;
    gap: 15px;
    z-index: 1000;
}
.float-item {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
    transition: 0.2s;
    cursor: pointer;
    position: relative;
    background: var(--primary);
    color: white;
}
.float-item a {
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    text-decoration: none;
}
.float-item.phone { background: var(--accent); }
.float-item.wechat { background: var(--primary); }
.float-item.top { background: var(--primary-dark); }
.float-item .wechat-qr-float {
    position: absolute;
    right: 70px;
    bottom: 0;
    width: 150px;
    background: white;
    border-radius: 8px;
    padding: 10px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    display: none;
}
.float-item:hover .wechat-qr-float {
    display: block;
}
.float-item .wechat-qr-float img {
    width: 100%;
}
@media (max-width: 600px) {
    .float-group { bottom: 30px; }
}

/* 返回顶部按钮 */
.back-to-top {
    position: fixed;
    bottom: 40px;
    right: 30px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: var(--primary);
    color: white;
    font-size: 1.5rem;
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    z-index: 99;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
}
.back-to-top.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.back-to-top:hover {
    background-color: var(--primary-dark);
    transform: translateY(-3px);
    box-shadow: 0 6px 16px rgba(0,0,0,0.2);
}
@media (max-width: 600px) {
    .back-to-top {
        width: 45px;
        height: 45px;
        font-size: 1.3rem;
        bottom: 30px;
        right: 20px;
    }
}

/* ===== 双行业案例展示区域 (美化版) ===== */
.cases-industry-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 35px;
    margin: 50px 0;
}

/* 卡片容器 – 增强立体感与渐变边框 */
.industry-case-card {
    background: white;
    border-radius: 50px;
    padding: 45px 40px;
    display: flex;
    flex-direction: column;
    gap: 25px;
    box-shadow: 0 20px 35px rgba(30, 74, 122, 0.08);
    border: 1px solid var(--border-light);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.industry-case-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 8px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    opacity: 0.8;
}

.industry-case-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 25px 45px rgba(30, 74, 122, 0.15);
    border-color: var(--primary-light);
}

/* 案例标题 */
.industry-case-card .case-info h4 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 15px;
    line-height: 1.3;
}

/* 原问题描述 */
.industry-case-card .case-info p {
    color: var(--text-light);
    font-size: 1.1rem;
    margin-bottom: 15px;
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.industry-case-card .case-info p i {
    color: var(--accent);
    font-size: 1.3rem;
    flex-shrink: 0;
    margin-top: 2px;
}

/* 解决方案高亮块 */
.industry-case-card .case-highlight {
    background: linear-gradient(145deg, #f0f9ff, #e6f0fa);
    padding: 25px 30px;
    border-radius: 40px;
    margin: 10px 0 20px;
    border-left: 8px solid var(--primary);
    box-shadow: inset 0 2px 8px rgba(0,0,0,0.02), 0 8px 15px rgba(30,74,122,0.05);
}

.industry-case-card .case-highlight p {
    margin: 12px 0;
    font-size: 1.1rem;
    color: var(--text-dark);
    display: flex;
    align-items: center;
    gap: 12px;
}

.industry-case-card .case-highlight i.fa-check-circle {
    color: var(--primary);
    font-size: 1.3rem;
    width: 24px;
}

.industry-case-card .case-highlight i.fa-star {
    color: var(--accent);
    font-size: 1.2rem;
    width: 24px;
}

/* 数据统计标签 */
.industry-case-card .case-stats {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    margin-top: 15px;
}

.industry-case-card .case-stat-item {
    background: white;
    padding: 15px 28px;
    border-radius: 60px;
    box-shadow: 0 8px 20px rgba(0,0,0,0.02);
    border: 1px solid var(--border-light);
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
    color: var(--primary-dark);
    transition: 0.2s;
}

.industry-case-card .case-stat-item:hover {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

.industry-case-card .case-stat-item .number {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--primary);
    line-height: 1;
    transition: 0.2s;
}

.industry-case-card .case-stat-item:hover .number {
    color: white;
}

/* 案例图像区域 – 更精致 */
.industry-case-card .case-image {
    text-align: center;
    background: linear-gradient(145deg, #d9eaf5, #c0d9e8);
    border-radius: 40px;
    padding: 0px;
    margin-top: 15px;
    border: 1px solid rgba(255,255,255,0.4);
    box-shadow: 0 10px 20px rgba(30,74,122,0.08);
    position: relative;
    overflow: hidden;
}

.industry-case-card .case-image i {
    font-size: 6rem;
    color: var(--primary-dark);
    opacity: 0.9;
    text-shadow: 2px 4px 8px rgba(0,0,0,0.1);
}

.industry-case-card .case-image p {
    margin-top: 15px;
    font-weight: 600;
    color: var(--primary-dark);
    font-size: 1rem;
}

/* 响应式适配 */
@media (max-width: 900px) {
    .cases-industry-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    .industry-case-card {
        padding: 35px 25px;
    }
    .industry-case-card .case-info h4 {
        font-size: 1.7rem;
    }
    .industry-case-card .case-stat-item {
        padding: 12px 20px;
    }
}

@media (min-width: 1000px) {
            .products-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }
        /* 产品卡片图片样式 */
        .product-card .product-image {
            width: 100%;
            aspect-ratio: 1/1;
            object-fit: cover;
            border-radius: 5%;  /* 保持圆形设计，也可根据需要改为其他形状 */
            margin: 0 auto 20px;
            background: var(--gray-bg);
            border: 3px solid var(--primary-very-light);
            transition: transform 0.3s;
        }
        .product-card:hover .product-image {
            transform: scale(1.05);
            border-color: var(--primary);
        }
        /* 案例卡片图片样式 */
        .case-card .case-image img,
        .industry-case-card .case-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: inherit; /* 继承父容器的圆角 */
            display: block;
        }
        .case-card .case-image {
            overflow: hidden;
            height: 380px; /* 固定高度，与之前图标容器一致 */
        }
        .industry-case-card .case-image {
            overflow: hidden;
            height: 400px; /* 根据实际需要调整 */
            border-radius: 15px;
        }
        /* 确保图片占满容器 */
        .industry-case-card .case-image {
            display: flex;
            align-items: center;
            justify-content: center;
        }
		
/* ===== 页脚美化增强样式 ===== */
footer {
    background: linear-gradient(135deg, var(--primary-dark) 0%, #0a2a4a 100%);
    position: relative;
    overflow: hidden;
    padding: 60px 0 30px;
    margin-top: 80px;
    box-shadow: 0 -10px 30px rgba(0, 0, 0, 0.08);
}

/* 装饰性波浪/光晕效果 */
footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--accent), var(--primary-light), var(--accent));
    opacity: 0.6;
}

footer::after {
    content: '';
    position: absolute;
    bottom: 0;
    right: 0;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(255,255,255,0.03) 0%, rgba(255,255,255,0) 70%);
    pointer-events: none;
}

.footer-content {
    position: relative;
    z-index: 2;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-col {
    flex: 1 1 200px;
    transition: transform 0.2s ease;
}


.footer-col:hover {
    transform: translateY(-3px);
}

 .footer-col h6 {
    color: white;
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    position: relative;
    display: inline-block;
} 

.footer-col h6::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 40px;
    height: 3px;
    background: var(--accent);
    border-radius: 3px;
}
 
.footer-col ul {
    list-style: none;
    padding: 0;
}

.footer-col ul li {
    margin-bottom: 0.7rem;
}

.footer-col ul li a,
.footer-col ul li {
    color: #cbd5e1;
    text-decoration: none;
    transition: all 0.2s;
    font-size: 0.9rem; 
    display: block;
    align-items: center;
    gap: 8px;
} 

.footer-col ul li a i,
.footer-col ul li i {
    width: 20px;
    font-size: 0.9rem;
    transition: transform 0.2s;
}

.footer-col ul li a:hover {
    color: var(--accent);
    transform: translateX(4px);
}

.footer-col ul li a:hover i {
    transform: translateX(2px);
    color: var(--accent);
} 

/* 第一个col的描述文字 */
.footer-col:first-child p {
    color: #b0c4de;
    line-height: 1.6;
    font-size: 0.9rem;
    margin-top: 0.5rem;
}

/* 版权区域 */
.copyright {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.85rem;
    color: #9bb5cc;
    position: relative;
    z-index: 2;
}
/* 底部版权栏 */
.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 30px;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 15px;
    font-size: 0.85rem;
    color: #9bb5cc;
}
.footer-bottom a {
    color: #9bb5cc;
    text-decoration: none;
    transition: color 0.2s;
}
.footer-bottom a:hover {
    color: var(--accent);
}

/* 响应式调整 */
@media (max-width: 768px) {
    footer {
        padding: 40px 0 20px;
    }
    .footer-content {
        flex-direction: column;
        align-items: center;
        text-align: center;
        gap: 30px;
    }
    .footer-col h6 {
        margin-bottom: 1rem;
    }
    .copyright {
        padding-top: 20px;
    }
}