/* reset & 黑+白+红主色调 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: system-ui, 'Segoe UI', sans-serif;
    background-color: #ffffff;
    color: #000000;
    line-height: 1.5;
    padding-top: 80px;
}

.container {
    max-width: 1500px;
    margin: 0 auto;
    padding: 0 24px;
}

/* 按钮样式 */
.btn-primary {
    display: inline-block;
    background-color: #c0392b;
    color: white;
    font-weight: 600;
    padding: 12px 28px;
    border-radius: 40px;
    text-decoration: none;
    transition: all 0.25s ease;
    border: none;
    cursor: pointer;
    font-size: 0.95rem;
    letter-spacing: 0.3px;
}

.btn-primary:hover {
    background-color: #a0281a;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
}

.btn-outline {
    display: inline-block;
    background: transparent;
    border: 1.5px solid #c0392b;
    color: #c0392b;
    font-weight: 600;
    padding: 10px 26px;
    border-radius: 40px;
    text-decoration: none;
    transition: 0.2s;
}

.btn-outline:hover {
    background: #c0392b;
    color: white;
}

.btn-large {
    padding: 16px 48px;
    font-size: 1.2rem;
    display: inline-flex;
    align-items: center;
    gap: 12px;
}

/* 红色点缀 */
a, .lang-switch a.active, .floating-item:hover {
    color: #c0392b;
}

/* 顶部导航 */
.header {
    background: #000000;
    color: white;
    padding: 16px 0;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 999;
    transition: all 0.3s ease;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

.logo {
    font-size: 1.6rem;
    font-weight: 700;
    color: white;
    text-decoration: none;
    transition: opacity 0.2s ease;
}

.logo:hover {
    opacity: 0.8;
    color: white;
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-links {
    display: flex;
    gap: 28px;
    list-style: none;
    margin: 0;
    padding: 0;
    align-items: center;
}

.nav-links > li,
.nav-links .dropdown {
    display: flex;
    align-items: center;
}

.nav-links > li > a {
    text-decoration: none;
    color: white;
    font-weight: 500;
    text-transform: uppercase;
    font-size: 1rem;
    padding: 8px 0;
    display: inline-block;
    transition: color 0.2s;
}

.nav-links > li > a:hover {
    color: #c0392b;
}

.dropdown {
    position: relative;
}

.dropdown-toggle {
    display: flex;
    align-items: center;
    gap: 6px;
    text-decoration: none;
    color: white;
    font-weight: 500;
    text-transform: uppercase;
    font-size: 1rem;
    padding: 8px 0;
    background: none;
    border: none;
    cursor: pointer;
    transition: color 0.2s;
}

.dropdown-toggle:hover {
    color: #c0392b;
}

.dropdown-toggle i {
    font-size: 0.7rem;
    transition: transform 0.3s ease;
    width: 12px;
    display: inline-block;
}

.dropdown:hover .dropdown-toggle i {
    transform: rotate(180deg);
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 200px;
    background: #000000;
    border-radius: 12px;
    padding: 12px 0;
    margin-top: 10px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 100;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    list-style: none;
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu li {
    display: block;
}

.dropdown-menu li a {
    display: block;
    padding: 10px 20px;
    color: #ffffff;
    text-decoration: none;
    font-size: 1rem;
    transition: all 0.2s;
    white-space: nowrap;
    text-transform: none;
}

.dropdown-menu li a:hover {
    background: #c0392b;
    color: white;
    padding-left: 28px;
}

.dropdown-menu::before {
    content: '';
    position: absolute;
    top: -8px;
    left: 20px;
    width: 0;
    height: 0;
    border-left: 8px solid transparent;
    border-right: 8px solid transparent;
    border-bottom: 8px solid #000000;
}

/* 语言切换 */
.lang-switch a {
    color: #ccc;
    text-decoration: none;
    font-size: 0.85rem;
}

.lang-switch a.active {
    color: #c0392b;
    font-weight: bold;
}

/* 右侧悬浮窗口 */
.floating-contact {
    position: fixed;
    right: 20px;
    bottom: 100px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    z-index: 1000;
}

.floating-item {
    background: black;
    color: white;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    font-size: 1.4rem;
    transition: 0.2s;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    position: relative;
}

.floating-item:hover {
    background: #c0392b;
    color: white;
}

/* 悬浮提示 */
.floating-tooltip {
    position: absolute;
    right: 60px;
    background: #c0392b;
    color: white;
    padding: 6px 12px;
    border-radius: 8px;
    font-size: 0.75rem;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all 0.2s;
    pointer-events: none;
}

.floating-item:hover .floating-tooltip {
    opacity: 1;
    visibility: visible;
}

/* 区块通用样式 */
section {
    padding: 70px 0;
    border-bottom: 1px solid #eef2f5;
}

.hero-block {
    background: #fafafa;
    margin-top: 0;
    padding-top: 20px;
}

/* 简介区域 */
.intro-block {
    background: #fff;
    text-align: center;
}

.intro-slogan {
    font-size: 2.5rem;
    font-weight: 700;
    color: #0b2b3f;
    margin-bottom: 16px;
}

.intro-text {
    font-size: 1.1rem;
    color: #4a627a;
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.6;
}

/* Section 标题 */
.section-title {
    font-size: 2rem;
    margin-bottom: 40px;
    border-left: 5px solid #c0392b;
    padding-left: 18px;
    color: #0b2b3f;
}

.section-subtitle {
    text-align: center;
    color: #4a627a;
    margin-bottom: 40px;
    font-size: 1rem;
}

/* ===== 服务卡片网格 ===== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 20px;
}

.service-card {
    background: #fff;
    border-radius: 20px;
    padding: 40px 28px;
    text-align: center;
    transition: transform 0.2s, box-shadow 0.2s;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
    border: 1px solid #eef2f5;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

.service-card i {
    font-size: 2.5rem;
    color: #c0392b;
    margin-bottom: 20px;
}

.service-card h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    font-weight: 600;
    color: #0b2b3f;
}

.service-card p {
    color: #4a627a;
    line-height: 1.5;
    font-size: 0.9rem;
}

/* ===== 优势网格 ===== */
.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
    margin-top: 20px;
}

.advantage-card {
    background: #f8fafc;
    border-radius: 16px;
    padding: 28px 24px;
    transition: transform 0.2s;
}

.advantage-card:hover {
    transform: translateY(-3px);
}

.advantage-card i {
    font-size: 2rem;
    color: #c0392b;
    margin-bottom: 16px;
}

.advantage-card h4 {
    font-size: 1.2rem;
    margin-bottom: 12px;
    font-weight: 600;
    color: #0b2b3f;
}

.advantage-card p {
    color: #4a627a;
    line-height: 1.5;
    font-size: 0.85rem;
}

/* ===== 行业徽章 ===== */
.sectors-list {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px;
    margin-top: 20px;
}

.sector-badge {
    background: #f0f4f9;
    padding: 8px 28px;
    border-radius: 40px;
    font-size: 0.9rem;
    font-weight: 500;
    color: #1a2a3a;
    transition: all 0.2s;
}

.sector-badge:hover {
    background: #c0392b;
    color: white;
}

/* ===== 客户案例 ===== */
.references-logos {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 40px;
    margin-top: 30px;
}

.ref-logo {
    font-size: 1rem;
    font-weight: 500;
    color: #2c5a74;
    padding: 10px 20px;
    background: #f8fafc;
    border-radius: 40px;
    transition: all 0.2s;
}

.ref-logo:hover {
    background: #c0392b;
    color: white;
}

/* ===== 新闻网格 ===== */
.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 20px;
}

.news-card {
    background: #f8fafc;
    border-radius: 20px;
    padding: 28px;
    transition: transform 0.2s;
}

.news-card:hover {
    transform: translateY(-3px);
}

.news-date {
    font-size: 0.75rem;
    color: #c0392b;
    font-weight: 600;
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.news-card h4 {
    font-size: 1.2rem;
    margin-bottom: 12px;
    color: #0b2b3f;
}

.news-card p {
    color: #4a627a;
    line-height: 1.5;
    font-size: 0.9rem;
}

/* ===== CTA 联系区域 ===== */
.contact-full-block {
    background: #f8fafc;
}

.contact-cta-wrapper {
    text-align: center;
    padding: 20px 0;
}

.cta-title {
    font-size: 2rem;
    color: #0b2b3f;
    margin-bottom: 16px;
}

.cta-text {
    color: #4a627a;
    max-width: 600px;
    margin: 0 auto 30px;
    font-size: 1rem;
}

.cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

/* 首页联系方式简单样式 */
.contact-info {
    background: #f8fafc;
    border-radius: 20px;
    padding: 28px;
}

.contact-info p {
    margin: 12px 0;
    display: flex;
    align-items: center;
    gap: 12px;
    color: #4a627a;
}

.contact-info i {
    width: 30px;
    color: #c0392b;
}

/* ===== Footer 样式 ===== */
footer {
    background: #0a1c2a;
    color: #bdd4e2;
    padding: 60px 0 40px;
    margin-top: 60px;
}

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

.footer-col {
    /* 移除 flex: 1，使用 grid 自动分配宽度 */
    min-width: 0; /* 防止内容溢出 */
}

.footer-col h4 {
    color: white;
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 20px;
    letter-spacing: 1px;
}

.footer-col ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-col ul li {
    margin-bottom: 10px;
}

.footer-col ul li a {
    color: #bdd4e2;
    text-decoration: none;
    font-size: 0.85rem;
    transition: color 0.2s;
}

.footer-col ul li a:hover {
    color: #c0392b;
}

.footer-col p {
    margin: 12px 0;
    font-size: 0.85rem;
    line-height: 1.5;
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-col i {
    width: 24px;
    color: #c0392b;
    margin: 0;
    text-align: center;
}

.copyright {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid #2d445b;
    font-size: 0.75rem;
    color: #8aa0b5;
}

/* 响应式 */
@media (max-width: 900px) {
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }
}

@media (max-width: 600px) {
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
        text-align: center;
    }
    
    .footer-col p {
        justify-content: center;
    }
}

/* ===== 轮播模块样式 ===== */
.carousel-container {
    background: #000;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 0 20px 35px -12px rgba(0, 0, 0, 0.2);
}

.carousel-main {
    position: relative;
    aspect-ratio: 16 / 9;
    background: #1a1a1a;
}

.carousel-media {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.carousel-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0, 0, 0, 0.5);
    color: white;
    border: none;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.2rem;
    transition: all 0.3s ease;
    z-index: 10;
}

.carousel-arrow:hover {
    background: #c0392b;
    transform: translateY(-50%) scale(1.05);
}

.carousel-arrow.prev {
    left: 20px;
}

.carousel-arrow.next {
    right: 20px;
}

.carousel-dots {
    position: absolute;
    bottom: 15px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 10;
}

.carousel-dot {
    width: 10px;
    height: 10px;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s;
}

.carousel-dot.active {
    background: #c0392b;
    width: 24px;
    border-radius: 10px;
}

.carousel-thumbnails {
    display: flex;
    gap: 8px;
    background: #1a1a1a;
    padding: 12px;
    overflow-x: auto;
    justify-content: center;
}

.carousel-thumbnails::-webkit-scrollbar {
    height: 4px;
}

.carousel-thumbnails::-webkit-scrollbar-track {
    background: #2a2a2a;
    border-radius: 4px;
}

.carousel-thumbnails::-webkit-scrollbar-thumb {
    background: #c0392b;
    border-radius: 4px;
}

.thumbnail {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    background: #2a2a2a;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.thumbnail:hover {
    background: #3a3a3a;
    transform: scale(1.05);
}

.thumbnail.active {
    background: #c0392b;
    box-shadow: 0 0 0 2px rgba(192, 57, 43, 0.4);
}

.thumbnail-icon {
    font-size: 1.4rem;
    color: white;
}

/* 浮动提示 Toast */
.floating-toast {
    position: fixed;
    bottom: 80px;
    left: 50%;
    transform: translateX(-50%) translateY(20px);
    background: #333;
    color: white;
    padding: 10px 20px;
    border-radius: 40px;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    z-index: 3000;
    opacity: 0;
    transition: all 0.3s ease;
    pointer-events: none;
}

.floating-toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

.floating-toast i {
    color: #07c160;
    font-size: 1rem;
}

/* ===== 微信模态框样式 ===== */
.wechat-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.2s ease;
}

.wechat-modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.85);
}

.wechat-modal-container {
    position: relative;
    background: white;
    border-radius: 24px;
    max-width: 400px;
    width: 90%;
    z-index: 10;
    animation: slideUp 0.3s ease;
}

.wechat-modal-close {
    position: absolute;
    top: 16px;
    right: 20px;
    background: none;
    border: none;
    font-size: 28px;
    cursor: pointer;
    color: #666;
    z-index: 11;
    transition: color 0.2s;
}

.wechat-modal-close:hover {
    color: #c0392b;
}

.wechat-modal-content {
    padding: 40px 32px;
    text-align: center;
}

.wechat-icon {
    font-size: 3.5rem;
    color: #07c160;
    margin-bottom: 16px;
}

.wechat-modal-content h3 {
    font-size: 1.5rem;
    margin-bottom: 24px;
    color: #0b2b3f;
}

.wechat-qr {
    width: 180px;
    height: 180px;
    object-fit: cover;
    border-radius: 16px;
    margin-bottom: 20px;
}

.wechat-id {
    background: #f8fafc;
    padding: 12px 16px;
    border-radius: 12px;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 10px;
}

.wechat-id code {
    font-size: 1rem;
    font-weight: 600;
    color: #c0392b;
}

.copy-id-btn {
    background: #c0392b;
    color: white;
    border: none;
    padding: 4px 12px;
    border-radius: 20px;
    cursor: pointer;
    font-size: 0.75rem;
    transition: background 0.2s;
}

.copy-id-btn:hover {
    background: #a0281a;
}

.wechat-tip {
    font-size: 0.75rem;
    color: #8aa0b5;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== About Page Styles ===== */
.about-hero {
    background: linear-gradient(135deg, #0a1c2a 0%, #1a3a4a 100%);
    padding: 100px 0;
    text-align: center;
    color: white;
}

.about-hero-content h1 {
    font-size: 3rem;
    margin-bottom: 16px;
}

.about-hero-content p {
    font-size: 1.2rem;
    opacity: 0.9;
}

.about-intro {
    padding: 80px 0;
}

.about-intro-grid {
    display: flex;
    gap: 60px;
    align-items: center;
}

.about-intro-text {
    flex: 1;
}

.about-intro-text p {
    margin-bottom: 20px;
    line-height: 1.6;
    color: #2c3e50;
}

.image-placeholder {
    background: linear-gradient(135deg, #eef3f9, #d9e3ec);
    border-radius: 24px;
    padding: 80px 40px;
    text-align: center;
    color: #4a627a;
}

.image-placeholder i {
    font-size: 4rem;
    margin-bottom: 16px;
    display: block;
}

.about-mission {
    background: #f8fafc;
    padding: 80px 0;
}

.mission-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
}

.mission-card {
    text-align: center;
    padding: 40px 24px;
    background: white;
    border-radius: 24px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s;
}

.mission-card:hover {
    transform: translateY(-5px);
}

.mission-card i {
    font-size: 2.5rem;
    color: #c0392b;
    margin-bottom: 20px;
}

.mission-card h3 {
    font-size: 1.5rem;
    margin-bottom: 16px;
    color: #0b2b3f;
}

.about-timeline {
    padding: 80px 0;
}

.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 120px;
    top: 0;
    bottom: 0;
    width: 3px;
    background: #c0392b;
}

.timeline-item {
    display: flex;
    margin-bottom: 40px;
    position: relative;
}

.timeline-year {
    width: 100px;
    font-weight: 700;
    font-size: 1.3rem;
    color: #c0392b;
    padding-right: 20px;
    text-align: right;
}

.timeline-content {
    flex: 1;
    background: #f8fafc;
    padding: 20px 28px;
    border-radius: 16px;
    margin-left: 40px;
}

.timeline-content h4 {
    margin-bottom: 8px;
    color: #0b2b3f;
}

.about-stats {
    background: #0a1c2a;
    padding: 60px 0;
    color: white;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    text-align: center;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    display: block;
    margin-bottom: 8px;
    color: #c0392b;
}

.stat-label {
    font-size: 1rem;
    opacity: 0.8;
}

.about-team {
    padding: 80px 0;
}

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

.team-card {
    text-align: center;
    background: #f8fafc;
    padding: 32px 24px;
    border-radius: 24px;
    transition: transform 0.3s;
}

.team-card:hover {
    transform: translateY(-5px);
}

.team-image i {
    font-size: 4rem;
    color: #4a627a;
    margin-bottom: 16px;
}

.team-card h4 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.team-title {
    color: #c0392b;
    font-weight: 500;
    margin-bottom: 12px;
}

.team-desc {
    font-size: 0.9rem;
    color: #4a627a;
}

.about-cta {
    background: linear-gradient(135deg, #c0392b, #e05a4a);
    margin: 40px 0;
    border-radius: 32px;
    overflow: hidden;
}

.cta-content {
    text-align: center;
    padding: 60px 40px;
    color: white;
}

.cta-content h2 {
    font-size: 2rem;
    margin-bottom: 16px;
}

.cta-content p {
    margin-bottom: 30px;
    opacity: 0.9;
}

.cta-content .btn-primary {
    background: white;
    color: #c0392b;
}

.cta-content .btn-primary:hover {
    background: #1a1a1a;
    color: white;
}

/* ===== Contact Page Styles ===== */
.contact-hero {
    background: linear-gradient(135deg, #0a1c2a 0%, #1a3a4a 100%);
    padding: 80px 0;
    text-align: center;
    color: white;
}

.contact-hero-content h1 {
    font-size: 3rem;
    margin-bottom: 16px;
}

.contact-hero-content p {
    font-size: 1.2rem;
    opacity: 0.9;
}

.contact-main {
    padding: 80px 0;
}

.contact-grid-page {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-form-section h2 {
    font-size: 1.8rem;
    margin-bottom: 30px;
    color: #0b2b3f;
}

.contact-form {
    background: #f8fafc;
    padding: 32px;
    border-radius: 24px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: #1a2a3a;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    font-family: inherit;
    font-size: 1rem;
    transition: all 0.2s;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #c0392b;
    box-shadow: 0 0 0 3px rgba(192, 57, 43, 0.1);
}

.form-group button {
    width: 100%;
    font-size: 1rem;
}

.contact-info-section {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.info-card,
.social-card,
.map-card {
    background: #f8fafc;
    padding: 28px;
    border-radius: 24px;
}

.info-card h3,
.social-card h3,
.map-card h3 {
    font-size: 1.3rem;
    margin-bottom: 20px;
    color: #0b2b3f;
}

.info-item {
    display: flex;
    gap: 16px;
    margin-bottom: 24px;
}

.info-item i {
    width: 40px;
    height: 40px;
    background: #e8edf3;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #c0392b;
    font-size: 1.2rem;
}

.info-item strong {
    display: block;
    margin-bottom: 4px;
    color: #1a2a3a;
}

.info-item p,
.info-item a {
    color: #4a627a;
    text-decoration: none;
}

.info-item a:hover {
    color: #c0392b;
}

.map-container {
    height: 250px;
    border-radius: 16px;
    overflow: hidden;
}

#map {
    height: 100%;
    width: 100%;
}

.form-status {
    margin-top: 16px;
}

.alert {
    padding: 12px 16px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.alert-success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.alert-error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

/* ===== Products Gallery Page Styles ===== */
.products-hero {
    background: linear-gradient(135deg, #0a1c2a 0%, #1a3a4a 100%);
    padding: 80px 0;
    text-align: center;
    color: white;
}

.products-hero-content h1 {
    font-size: 3rem;
    margin-bottom: 16px;
}

.products-hero-content p {
    font-size: 1.1rem;
    opacity: 0.9;
}

.products-categories {
    padding: 40px 0 20px;
    background: #fff;
}

.category-nav {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 20px;
}

.category-btn {
    padding: 10px 24px;
    background: transparent;
    border: 2px solid #e0e4e8;
    border-radius: 40px;
    font-size: 0.9rem;
    font-weight: 500;
    color: #1a2a3a;
    cursor: pointer;
    transition: all 0.2s;
}

.category-btn:hover {
    border-color: #c0392b;
    color: #c0392b;
}

.category-btn.active {
    background: #c0392b;
    border-color: #c0392b;
    color: white;
}

.products-gallery {
    padding: 20px 0 80px;
    background: #f8fafc;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 24px;
}

.gallery-item {
    cursor: pointer;
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    aspect-ratio: 1 / 1;
    background: #eef2f7;
}

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

.gallery-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

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

.gallery-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    opacity: 0;
    transition: opacity 0.3s ease;
    color: white;
}

.gallery-item:hover .gallery-overlay {
    opacity: 1;
}

.gallery-overlay i {
    font-size: 2.5rem;
    color: #c0392b;
}

.gallery-overlay span {
    font-size: 0.9rem;
    letter-spacing: 1px;
}

.no-products-gallery {
    text-align: center;
    padding: 80px;
    color: #6c86a3;
    grid-column: 1 / -1;
}

.no-products-gallery i {
    font-size: 4rem;
    margin-bottom: 16px;
    opacity: 0.5;
}

/* 悬浮窗模态框样式 */
.product-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.2s ease;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.85);
}

.modal-container {
    position: relative;
    background: white;
    border-radius: 24px;
    max-width: 1000px;
    width: 90%;
    max-height: 85vh;
    overflow-y: auto;
    z-index: 10;
    animation: slideUp 0.3s ease;
}

.modal-close {
    position: absolute;
    top: 16px;
    right: 20px;
    background: none;
    border: none;
    font-size: 32px;
    cursor: pointer;
    color: #666;
    z-index: 11;
    transition: color 0.2s;
}

.modal-close:hover {
    color: #c0392b;
}

.modal-content {
    display: flex;
    flex-wrap: wrap;
}

.modal-left {
    flex: 1;
    min-width: 250px;
    background: #f0f4f9;
    border-radius: 24px 0 0 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 30px;
}

.modal-left img {
    width: 100%;
    height: auto;
    border-radius: 16px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.modal-right {
    flex: 1.2;
    padding: 32px;
}

.modal-right h2 {
    font-size: 1.8rem;
    margin-bottom: 8px;
    color: #0b2b3f;
}

.modal-right .product-model {
    font-size: 1rem;
    color: #c0392b;
    font-weight: 600;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 2px solid #eef2f7;
}

.modal-right h4 {
    font-size: 1rem;
    color: #0b2b3f;
    margin-bottom: 10px;
    font-weight: 600;
}

.product-description {
    margin-bottom: 24px;
}

.product-description p {
    color: #4a627a;
    line-height: 1.6;
    font-size: 0.95rem;
}

.product-specs-modal {
    background: #f8fafc;
    border-radius: 16px;
    padding: 20px;
    margin-bottom: 28px;
}

.product-specs-modal ul {
    list-style: none;
    padding: 0;
}

.product-specs-modal li {
    padding: 6px 0;
    color: #4a627a;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.product-specs-modal li i {
    color: #c0392b;
    font-size: 0.8rem;
    width: 18px;
}

.modal-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.modal-actions .btn-primary,
.modal-actions .btn-outline {
    padding: 12px 28px;
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
    .container {
        padding: 0 20px;
    }
    
    .intro-slogan {
        font-size: 2rem;
    }
}

@media (max-width: 768px) {
    body {
        padding-top: 120px;
    }
    
    .navbar {
        flex-direction: column;
        gap: 16px;
    }
    
    .nav-right {
        flex-direction: column;
        gap: 16px;
        width: 100%;
    }
    
    .nav-links {
        justify-content: center;
        gap: 16px;
        flex-wrap: wrap;
    }
    
    .dropdown-menu {
        position: static;
        width: 100%;
        opacity: 1;
        visibility: visible;
        transform: none;
        display: none;
        margin-top: 8px;
        box-shadow: none;
        background: #1a1a1a;
    }
    
    .dropdown-menu::before {
        display: none;
    }
    
    .dropdown.active .dropdown-menu {
        display: block;
    }
    
    .dropdown-toggle {
        justify-content: space-between;
    }
    
    .section-title {
        font-size: 1.5rem;
        margin-bottom: 30px;
    }
    
    .services-grid,
    .advantages-grid,
    .news-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .sectors-list {
        gap: 10px;
    }
    
    .sector-badge {
        padding: 6px 16px;
        font-size: 0.8rem;
    }
    
    .references-logos {
        gap: 15px;
    }
    
    .ref-logo {
        font-size: 0.85rem;
        padding: 6px 14px;
    }
    
    .cta-title {
        font-size: 1.5rem;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .contact-grid-page {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .about-hero-content h1,
    .contact-hero-content h1,
    .products-hero-content h1 {
        font-size: 2rem;
    }
    
    .about-intro-grid {
        flex-direction: column;
    }
    
    .timeline::before {
        left: 20px;
    }
    
    .timeline-year {
        width: 60px;
        font-size: 1rem;
    }
    
    .timeline-content {
        margin-left: 20px;
    }
    
    .carousel-arrow {
        width: 36px;
        height: 36px;
        font-size: 0.9rem;
    }
    
    .thumbnail {
        width: 48px;
        height: 48px;
    }
    
    .footer-grid {
        flex-direction: column;
        text-align: center;
        gap: 30px;
    }
    
    .gallery-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
        gap: 16px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }
    
    .intro-slogan {
        font-size: 1.5rem;
    }
    
    .intro-text {
        font-size: 0.95rem;
    }
    
    .service-card,
    .advantage-card,
    .news-card {
        padding: 20px;
    }
    
    .service-card h3 {
        font-size: 1.1rem;
    }
    
    .modal-content {
        flex-direction: column;
    }
    
    .modal-left {
        border-radius: 24px 24px 0 0;
        padding: 20px;
    }
    
    .modal-right {
        padding: 24px;
    }
    
    .modal-actions {
        flex-direction: column;
    }
}
/* ===== 核心业务三卡片 ===== */
.core-business {
    padding: 60px 0;
    background: #fff;
}

.core-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 20px;
}

.core-card {
    background: #f8fafc;
    border-radius: 24px;
    padding: 32px 28px;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid #eef2f5;
}

.core-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 30px -12px rgba(0, 0, 0, 0.1);
}

.core-icon i {
    font-size: 3rem;
    color: #c0392b;
    margin-bottom: 20px;
}

.core-card h3 {
    font-size: 1.4rem;
    margin-bottom: 16px;
    color: #0b2b3f;
}

.core-card p {
    color: #4a627a;
    line-height: 1.6;
    margin-bottom: 20px;
}

.core-tags {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
}

.core-tags span {
    background: #e8edf3;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.7rem;
    font-weight: 500;
    color: #1a2a3a;
}

/* ===== 应用领域卡片 ===== */
.applications-block {
    background: #f8fafc;
}

.applications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 20px;
}

.app-card {
    text-align: center;
    padding: 32px 24px;
    background: white;
    border-radius: 20px;
    transition: all 0.3s;
}

.app-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
}

.app-card i {
    font-size: 2.5rem;
    color: #c0392b;
    margin-bottom: 16px;
}

.app-card h3 {
    font-size: 1.3rem;
    margin-bottom: 12px;
    color: #0b2b3f;
}

.app-card p {
    color: #4a627a;
    line-height: 1.5;
    font-size: 0.9rem;
}

/* ===== Core Capabilities 样式 ===== */
.about-capabilities {
    padding: 80px 0;
    background: #f8fafc;
}

.capabilities-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 30px;
}

.capability-card {
    background: white;
    border-radius: 20px;
    padding: 32px 28px;
    text-align: center;
    transition: transform 0.2s, box-shadow 0.2s;
    border: 1px solid #eef2f5;
}

.capability-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.08);
}

.capability-card i {
    font-size: 2.5rem;
    color: #c0392b;
    margin-bottom: 20px;
}

.capability-card h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    font-weight: 600;
    color: #0b2b3f;
}

.capability-card p {
    color: #4a627a;
    line-height: 1.5;
    font-size: 0.9rem;
}

/* ===== Facilities Page Styles ===== */

/* Hero 区域 */
.facilities-hero {
    background: linear-gradient(135deg, #0a1c2a 0%, #1a3a4a 100%);
    padding: 80px 0;
    text-align: center;
    color: white;
}

.facilities-hero-content h1 {
    font-size: 3rem;
    margin-bottom: 16px;
}

.facilities-hero-content p {
    font-size: 1.2rem;
    opacity: 0.9;
}

/* 设备分类区域 */
.facilities-section {
    padding: 60px 0;
    border-bottom: 1px solid #eef2f5;
}

.inspection-section {
    background: #f8fafc;
}

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

/* 设备卡片 */
.equipment-card {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    cursor: pointer;
}

.equipment-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

.equipment-image {
    position: relative;
    height: 220px;
    overflow: hidden;
    background: #1a1a2e;
}

.equipment-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.equipment-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    opacity: 0;
    transition: opacity 0.3s ease;
    color: white;
}

.equipment-card:hover .equipment-overlay {
    opacity: 1;
}

.equipment-overlay i {
    font-size: 2rem;
    color: #c0392b;
}

.equipment-overlay span {
    font-size: 0.85rem;
}

.equipment-info {
    padding: 20px;
}

.equipment-info h3 {
    font-size: 1.2rem;
    margin-bottom: 6px;
    font-weight: 600;
    color: #0b2b3f;
}

.equipment-model {
    font-size: 0.8rem;
    color: #c0392b;
    font-weight: 500;
    margin-bottom: 12px;
}

.equipment-info p {
    color: #4a627a;
    line-height: 1.5;
    font-size: 0.85rem;
    margin-bottom: 12px;
}

.equipment-specs {
    background: #f8fafc;
    padding: 10px 12px;
    border-radius: 12px;
    font-size: 0.75rem;
    color: #1a2a3a;
    font-family: monospace;
}

/* 认证区域 */
.certification-section {
    padding: 60px 0;
}

.certification-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 30px;
    margin-top: 30px;
}

.cert-card {
    text-align: center;
    padding: 32px 24px;
    background: #f8fafc;
    border-radius: 20px;
    transition: transform 0.2s;
}

.cert-card:hover {
    transform: translateY(-3px);
}

.cert-card i {
    font-size: 2rem;
    color: #c0392b;
    margin-bottom: 16px;
}

.cert-card h3 {
    font-size: 1.1rem;
    margin-bottom: 10px;
    font-weight: 600;
    color: #0b2b3f;
}

.cert-card p {
    color: #4a627a;
    font-size: 0.85rem;
    line-height: 1.5;
}

/* CTA 区域 */
.facilities-cta {
    margin: 40px 0;
    border-radius: 32px;
    overflow: hidden;
}

.facilities-cta .cta-content {
    background: linear-gradient(135deg, #c0392b, #e05a4a);
    text-align: center;
    padding: 60px 40px;
    color: white;
}

.facilities-cta .cta-content h2 {
    font-size: 2rem;
    margin-bottom: 16px;
}

.facilities-cta .cta-content p {
    margin-bottom: 30px;
    opacity: 0.9;
}

.facilities-cta .btn-primary {
    background: white;
    color: #c0392b;
}

.facilities-cta .btn-primary:hover {
    background: #1a1a1a;
    color: white;
}

/* 图片放大模态框 */
.image-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.2s ease;
}

.image-modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
}

.image-modal-container {
    position: relative;
    max-width: 90vw;
    max-height: 90vh;
    z-index: 10;
    animation: zoomIn 0.3s ease;
}

.image-modal-close {
    position: absolute;
    top: -40px;
    right: 0;
    background: none;
    border: none;
    font-size: 32px;
    cursor: pointer;
    color: white;
    z-index: 11;
    transition: color 0.2s;
}

.image-modal-close:hover {
    color: #c0392b;
}

.image-modal-container img {
    max-width: 90vw;
    max-height: 85vh;
    object-fit: contain;
    border-radius: 8px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

.image-modal-caption {
    text-align: center;
    margin-top: 12px;
    color: white;
    font-size: 0.9rem;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes zoomIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.no-equipment {
    text-align: center;
    padding: 60px;
    color: #6c86a3;
    grid-column: 1 / -1;
}

.no-equipment i {
    font-size: 3rem;
    margin-bottom: 16px;
    opacity: 0.5;
}

/* 响应式 */
@media (max-width: 768px) {
    .facilities-hero-content h1 {
        font-size: 2rem;
    }
    
    .facilities-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .certification-grid {
        grid-template-columns: 1fr;
    }
    
    .facilities-cta .cta-content h2 {
        font-size: 1.5rem;
    }
    
    .facilities-cta .cta-content {
        padding: 40px 20px;
    }
    
    .image-modal-container img {
        max-width: 95vw;
        max-height: 80vh;
    }
}

/* ===== Applications Page Styles ===== */

/* Hero 区域 */
.applications-hero {
    background: linear-gradient(135deg, #0a1c2a 0%, #1a3a4a 100%);
    padding: 80px 0;
    text-align: center;
    color: white;
}

.applications-hero-content h1 {
    font-size: 3rem;
    margin-bottom: 16px;
}

.applications-hero-content p {
    font-size: 1.2rem;
    opacity: 0.9;
}

/* 行业导航栏 */
.industries-nav {
    background: white;
    border-bottom: 1px solid #eef2f5;
    position: sticky;
    top: 80px;
    z-index: 90;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.03);
}

.industries-nav ul {
    display: flex;
    justify-content: center;
    gap: 40px;
    list-style: none;
    padding: 0;
    margin: 0;
}

.industries-nav ul li a {
    display: inline-block;
    padding: 18px 0;
    text-decoration: none;
    color: #1a2a3a;
    font-weight: 600;
    font-size: 1rem;
    transition: color 0.2s;
    border-bottom: 2px solid transparent;
}

.industries-nav ul li a:hover {
    color: #c0392b;
}

/* 应用区域通用样式 */
.application-section {
    padding: 70px 0;
    border-bottom: 1px solid #eef2f5;
}

.application-section.alt-bg {
    background: #f8fafc;
}

.application-content {
    display: flex;
    gap: 60px;
    align-items: center;
}

.application-content.reverse {
    flex-direction: row-reverse;
}

.application-text {
    flex: 1;
}

.application-text h2 {
    font-size: 2rem;
    margin-bottom: 20px;
    color: #0b2b3f;
}

.application-text > p {
    color: #4a627a;
    line-height: 1.6;
    margin-bottom: 24px;
    font-size: 1rem;
}

.application-text ul {
    list-style: none;
    padding: 0;
}

.application-text ul li {
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.application-text ul li i {
    color: #c0392b;
    font-size: 1rem;
    width: 20px;
}

.application-text ul li span {
    color: #1a2a3a;
    font-size: 0.95rem;
}

/* 图片样式 */
.application-image {
    flex: 0.8;
}

.application-img {
    width: 100%;
    height: auto;
    border-radius: 24px;
    object-fit: cover;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s, box-shadow 0.3s;
}

.application-img:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

/* 产品 CTA 横幅 */
.products-cta-section {
    padding: 60px 0;
}

.cta-banner {
    background: linear-gradient(135deg, #0a1c2a, #1a3a4a);
    border-radius: 32px;
    padding: 50px 40px;
    text-align: center;
    color: white;
}

.cta-banner h2 {
    font-size: 1.8rem;
    margin-bottom: 12px;
}

.cta-banner p {
    margin-bottom: 24px;
    opacity: 0.9;
}

.cta-banner .btn-primary {
    background: #c0392b;
    color: white;
}

.cta-banner .btn-primary:hover {
    background: #a0281a;
    transform: translateY(-2px);
}

/* 滚动平滑 */
html {
    scroll-behavior: smooth;
    scroll-padding-top: 140px;
}

/* 响应式 */
@media (max-width: 768px) {
    .applications-hero-content h1 {
        font-size: 2rem;
    }
    
    .industries-nav {
        top: 120px;
        overflow-x: auto;
    }
    
    .industries-nav ul {
        gap: 24px;
        padding: 0 20px;
    }
    
    .industries-nav ul li a {
        font-size: 0.85rem;
        white-space: nowrap;
    }
    
    .application-content {
        flex-direction: column;
        gap: 30px;
    }
    
    .application-content.reverse {
        flex-direction: column;
    }
    
    .application-text h2 {
        font-size: 1.5rem;
    }
    
    .application-img {
        max-width: 100%;
    }
    
    .cta-banner h2 {
        font-size: 1.3rem;
    }
}

/* ===== Industries Page Styles ===== */

/* Hero 区域 */
.industries-hero {
    background: linear-gradient(135deg, #0a1c2a 0%, #1a3a4a 100%);
    padding: 80px 0;
    text-align: center;
    color: white;
}

.industries-hero-content h1 {
    font-size: 3rem;
    margin-bottom: 16px;
}

.industries-hero-content p {
    font-size: 1.2rem;
    opacity: 0.9;
}

/* 行业导航栏 */
.industries-nav {
    background: white;
    border-bottom: 1px solid #eef2f5;
    position: sticky;
    top: 80px;
    z-index: 90;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.03);
}

.industries-nav ul {
    display: flex;
    justify-content: center;
    gap: 40px;
    list-style: none;
    padding: 0;
    margin: 0;
}

.industries-nav ul li a {
    display: inline-block;
    padding: 18px 0;
    text-decoration: none;
    color: #1a2a3a;
    font-weight: 600;
    font-size: 1rem;
    transition: color 0.2s;
    border-bottom: 2px solid transparent;
}

.industries-nav ul li a:hover {
    color: #c0392b;
}

.industries-nav ul li a:active {
    color: #c0392b;
    border-bottom-color: #c0392b;
}

/* 行业区域通用样式 */
.industry-section {
    padding: 70px 0;
    border-bottom: 1px solid #eef2f5;
}

.industry-section.alt-bg {
    background: #f8fafc;
}

.industry-content {
    display: flex;
    gap: 60px;
    align-items: center;
}

.industry-content.reverse {
    flex-direction: row-reverse;
}

.industry-text {
    flex: 1;
}

.industry-text h2 {
    font-size: 2rem;
    margin-bottom: 20px;
    color: #0b2b3f;
}

.industry-text > p {
    color: #4a627a;
    line-height: 1.6;
    margin-bottom: 24px;
    font-size: 1rem;
}

.industry-applications {
    margin-bottom: 24px;
}

.industry-applications h4,
.industry-products h4 {
    font-size: 1rem;
    color: #0b2b3f;
    margin-bottom: 12px;
    font-weight: 600;
}

.industry-applications ul {
    list-style: none;
    padding: 0;
}

.industry-applications ul li {
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.industry-applications ul li i {
    color: #c0392b;
    font-size: 0.9rem;
    width: 20px;
}

.industry-applications ul li span {
    color: #1a2a3a;
    font-size: 0.9rem;
}

.product-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.product-tags span {
    background: #e8edf3;
    padding: 6px 16px;
    border-radius: 30px;
    font-size: 0.8rem;
    color: #1a2a3a;
    transition: all 0.2s;
}

.product-tags span:hover {
    background: #c0392b;
    color: white;
}

.industry-image {
    flex: 0.8;
}

.industry-image .image-placeholder {
    background: linear-gradient(135deg, #eef3f9, #d9e3ec);
    border-radius: 24px;
    padding: 80px 40px;
    text-align: center;
    color: #4a627a;
    transition: transform 0.3s;
}

.industry-image .image-placeholder:hover {
    transform: translateY(-5px);
}

.industry-image i {
    font-size: 4rem;
    margin-bottom: 16px;
    display: block;
    color: #c0392b;
}

/* CTA 区域 */
.industries-cta {
    background: linear-gradient(135deg, #c0392b, #e05a4a);
    margin: 40px 0 60px;
    border-radius: 32px;
    overflow: hidden;
}

.industries-cta .cta-content {
    text-align: center;
    padding: 60px 40px;
    color: white;
}

.industries-cta .cta-content h2 {
    font-size: 2rem;
    margin-bottom: 16px;
}

.industries-cta .cta-content p {
    margin-bottom: 30px;
    opacity: 0.9;
}

.industries-cta .btn-primary {
    background: white;
    color: #c0392b;
}

.industries-cta .btn-primary:hover {
    background: #1a1a1a;
    color: white;
}

/* 滚动平滑 */
html {
    scroll-behavior: smooth;
    scroll-padding-top: 140px;
}

/* 响应式 */
@media (max-width: 768px) {
    .industries-hero-content h1 {
        font-size: 2rem;
    }
    
    .industries-nav {
        top: 120px;
        overflow-x: auto;
    }
    
    .industries-nav ul {
        gap: 24px;
        padding: 0 20px;
    }
    
    .industries-nav ul li a {
        font-size: 0.85rem;
        white-space: nowrap;
    }
    
    .industry-content {
        flex-direction: column;
        gap: 30px;
    }
    
    .industry-content.reverse {
        flex-direction: column;
    }
    
    .industry-text h2 {
        font-size: 1.5rem;
    }
    
    .industry-image .image-placeholder {
        padding: 50px 30px;
    }
    
    .industries-cta .cta-content h2 {
        font-size: 1.5rem;
    }
    
    .industries-cta .cta-content {
        padding: 40px 20px;
    }
}

/* 产品标签样式 - 添加链接效果 */
.product-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.product-tag {
    background: #e8edf3;
    padding: 6px 16px;
    border-radius: 30px;
    font-size: 0.8rem;
    color: #1a2a3a;
    text-decoration: none;
    transition: all 0.2s;
    cursor: pointer;
}

.product-tag:hover {
    background: #c0392b;
    color: white;
    transform: translateY(-2px);
}

/* ===== 分页样式 ===== */
.pagination-container {
    margin-top: 50px;
    text-align: center;
}

.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 15px;
}

.page-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1px solid #e0e4e8;
    background: white;
    color: #1a2a3a;
    font-size: 1.1rem;
    cursor: pointer;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.page-btn:hover:not(:disabled) {
    background: #c0392b;
    border-color: #c0392b;
    color: white;
}

.page-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.page-num {
    min-width: 40px;
    height: 40px;
    padding: 0 8px;
    border-radius: 8px;
    border: 1px solid #e0e4e8;
    background: white;
    color: #1a2a3a;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.page-num:hover {
    background: #c0392b;
    border-color: #c0392b;
    color: white;
}

.page-num.active {
    background: #c0392b;
    border-color: #c0392b;
    color: white;
}

.page-dots {
    padding: 0 4px;
    color: #8aa0b5;
}

.page-info {
    font-size: 0.85rem;
    color: #8aa0b5;
    margin-top: 15px;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .pagination {
        gap: 5px;
    }
    
    .page-btn,
    .page-num {
        min-width: 36px;
        height: 36px;
        font-size: 0.85rem;
    }
    
    .page-info {
        font-size: 0.75rem;
    }
}

/* ===== 产品详情悬浮窗图片放大样式 ===== */

/* 图片包装器 */
.modal-image-wrapper {
    position: relative;
    display: inline-block;
    width: 100%;
}

.modal-product-img {
    width: 100%;
    height: auto;
    border-radius: 16px;
    cursor: pointer;
    transition: all 0.2s;
}

/* 放大按钮 */
.modal-image-zoom {
    position: absolute;
    bottom: 12px;
    right: 12px;
    background: rgba(0, 0, 0, 0.6);
    padding: 8px 12px;
    border-radius: 30px;
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    transition: all 0.2s;
    color: white;
    font-size: 0.75rem;
    backdrop-filter: blur(4px);
}

.modal-image-zoom:hover {
    background: #c0392b;
    transform: scale(1.05);
}

.modal-image-zoom i {
    font-size: 0.9rem;
}

/* ===== 图片放大模态框 ===== */
.image-zoom-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 3000;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: zoomFadeIn 0.2s ease;
}

.image-zoom-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
}

.image-zoom-container {
    position: relative;
    max-width: 90vw;
    max-height: 90vh;
    z-index: 10;
    animation: zoomScaleIn 0.3s ease;
}

.image-zoom-close {
    position: absolute;
    top: -40px;
    right: 0;
    background: none;
    border: none;
    font-size: 32px;
    cursor: pointer;
    color: white;
    z-index: 11;
    transition: color 0.2s;
}

.image-zoom-close:hover {
    color: #c0392b;
}

.image-zoom-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    max-height: 85vh;
    overflow: auto;
}

.image-zoom-img {
    max-width: 90vw;
    max-height: 85vh;
    object-fit: contain;
    border-radius: 8px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    cursor: pointer;
}

.image-zoom-caption {
    text-align: center;
    margin-top: 16px;
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.85rem;
}

@keyframes zoomFadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes zoomScaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* 响应式 */
@media (max-width: 768px) {
    .modal-image-zoom {
        padding: 6px 10px;
        font-size: 0.7rem;
    }
    
    .modal-image-zoom span {
        display: none;
    }
    
    .modal-image-zoom i {
        font-size: 1rem;
    }
    
    .image-zoom-close {
        top: -35px;
        font-size: 28px;
    }
}

/* ===== 轮播透明介绍框样式 - 左右双栏布局 ===== */

/* 透明介绍框容器 */
.carousel-info-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(90deg, rgba(0, 0, 0, 0.2) 0%, rgba(0, 0, 0, 0.15) 50%, rgba(0, 0, 0, 0.25) 100%);
    backdrop-filter: blur(2px);
    padding: 25px 40px;
    z-index: 15;
}

/* 左右两栏网格布局 */
.carousel-info-grid {
    display: flex;
    gap: 40px;
    align-items: flex-start;
    flex-wrap: wrap;
}

/* 左侧：标题和描述 */
.carousel-info-left {
    flex: 1.2;
    color: white;
    animation: fadeInUp 0.5s ease;
}

/* 右侧：特性卡片 */
.carousel-info-right {
    flex: 1;
    animation: fadeInUp 0.5s ease 0.1s both;
}

/* 徽章 */
.carousel-info-badge {
    display: inline-block;
    background: #c0392b;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 1px;
    margin-bottom: 12px;
    text-transform: uppercase;
}

/* 标题 */
.carousel-info-title {
    font-size: 1.6rem;
    font-weight: 700;
    margin-bottom: 10px;
    line-height: 1.3;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

/* 描述 */
.carousel-info-desc {
    font-size: 0.9rem;
    opacity: 0.85;
    margin-bottom: 20px;
    line-height: 1.5;
}

/* 学习更多按钮 */
.carousel-info-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: #c0392b;
    color: white;
    padding: 8px 22px;
    border-radius: 40px;
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 600;
    transition: all 0.3s ease;
}

.carousel-info-btn:hover {
    background: #a0281a;
    transform: translateX(4px);
    gap: 12px;
}

/* ===== 右侧特性卡片样式 ===== */

/* 横向突出显示的特性卡片 */
.carousel-highlight-features {
    display: flex;
    gap: 15px;
    margin-bottom: 15px;
    flex-wrap: wrap;
    justify-content: flex-start;
}

/* 突出特性卡片 */
.highlight-card {
    background: linear-gradient(135deg, rgba(192, 57, 43, 0.95), rgba(160, 40, 26, 0.95));
    border-radius: 12px;
    padding: 10px 18px;
    min-width: 110px;
    text-align: center;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.highlight-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(192, 57, 43, 0.4);
}

/* 卡片图标 */
.highlight-icon {
    font-size: 1.4rem;
    margin-bottom: 5px;
}

.highlight-icon i {
    color: white;
}

/* 卡片文字 */
.highlight-text {
    font-size: 1.6rem;
    font-weight: 700;
    color: white;
    letter-spacing: 0.5px;
    white-space: nowrap;
}

/* 其他特性标签 */
.carousel-other-features {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.carousel-info-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(4px);
    padding: 4px 12px;
    border-radius: 30px;
    font-size: 0.75rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.9);
}

.carousel-info-tag i {
    font-size: 0.7rem;
    color: #c0392b;
}

/* 动画 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 响应式 */
@media (max-width: 900px) {
    .carousel-info-grid {
        flex-direction: column;
        gap: 20px;
    }
    
    .carousel-info-left {
        flex: none;
        width: 100%;
    }
    
    .carousel-info-right {
        flex: none;
        width: 100%;
    }
    
    .carousel-info-title {
        font-size: 1.3rem;
    }
    
    .highlight-card {
        padding: 8px 14px;
        min-width: 95px;
    }
    
    .highlight-text {
        font-size: 0.75rem;
    }
}

@media (max-width: 768px) {
    .carousel-info-overlay {
    background: linear-gradient(90deg, rgba(0, 0, 0, 0.3) 0%, rgba(0, 0, 0, 0.2) 50%, rgba(0, 0, 0, 0.4) 100%);
    backdrop-filter: blur(2px);
    }
    
    .carousel-info-title {
        font-size: 1.2rem;
    }
    
    .carousel-info-desc {
        font-size: 0.8rem;
    }
    
    .highlight-card {
        padding: 6px 12px;
        min-width: 85px;
    }
    
    .highlight-icon {
        font-size: 1.1rem;
    }
    
    .highlight-text {
        font-size: 0.7rem;
        white-space: normal;
        line-height: 1.3;
    }
}

@media (max-width: 480px) {
    .carousel-info-overlay {
        padding: 15px;
    }
    
    .carousel-info-badge {
        font-size: 0.6rem;
        margin-bottom: 8px;
    }
    
    .carousel-info-title {
        font-size: 1rem;
    }
    
    .carousel-info-desc {
        font-size: 0.7rem;
        display: none;
    }
    
    .carousel-highlight-features {
        gap: 8px;
    }
    
    .highlight-card {
        padding: 5px 8px;
        min-width: 70px;
    }
    
    .highlight-icon {
        font-size: 0.9rem;
        margin-bottom: 2px;
    }
    
    .highlight-text {
        font-size: 0.6rem;
    }
    
    .carousel-info-btn {
        padding: 6px 16px;
        font-size: 0.7rem;
    }
}

/* ===== 行业图片样式 ===== */
.industry-image {
    flex: 0.8;
}

.industry-img {
    width: 100%;
    height: auto;
    border-radius: 20px;
    object-fit: cover;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s, box-shadow 0.3s;
}

.industry-img:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
}

.about-intro-image {
    width: 150%;
    max-width: 700px;      /* 限制图片区域宽度 */
    margin: 0 auto;
}

.about-image {
    max-width: 100%;
    height: auto;
    border-radius: 16px;  /* 圆角大小，可根据喜好调整 */
    display: block;
}

/* 或者固定具体尺寸 */
.about-image--fixed {
    width: 400px;
    height: 300px;
    object-fit: cover;     /* 图片会裁剪填满这个区域 */
}