/* ========================================
   全局样式
======================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #E31837;  /* 3M红色 */
    --secondary-color: #0066CC;  /* 科技蓝 */
    --dark-color: #1a1a1a;
    --gray-color: #666666;
    --light-gray: #f5f5f5;
    --white: #ffffff;
    --shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.15);
    --transition: all 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB", sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--dark-color);
    background-color: var(--white);
    overflow-x: hidden;
}

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

/* 全局样式和响应式优化 */

/* 图片占位符渐变样式 */
.gradient-purple {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.gradient-pink {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}

.gradient-blue {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
}

.gradient-warm {
    background: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
}

.gradient-dark {
    background: linear-gradient(135deg, #30cfd0 0%, #330867 100%);
}

@media (min-width: 1400px) {
    .container {
        max-width: 1320px;
    }
}

@media (min-width: 1600px) {
    .container {
        max-width: 1440px;
    }
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

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

ul {
    list-style: none;
}

/* ========================================
   按钮样式
======================================== */
.btn {
    display: inline-block;
    padding: 12px 30px;
    font-size: 16px;
    font-weight: 500;
    border-radius: 5px;
    cursor: pointer;
    border: 2px solid transparent;
    transition: var(--transition);
    text-align: center;
}

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

.btn-primary:hover {
    background-color: #c41230;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background-color: var(--secondary-color);
    color: var(--white);
}

.btn-secondary:hover {
    background-color: #0052a3;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-light {
    background-color: var(--white);
    color: var(--primary-color);
}

.btn-light:hover {
    background-color: var(--light-gray);
}

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

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

/* 滚动条优化 */
html {
    scroll-padding-top: 80px;
}

/* 文字选中样式 */
::selection {
    background-color: var(--primary-color);
    color: var(--white);
}

::-moz-selection {
    background-color: var(--primary-color);
    color: var(--white);
}

/* ========================================
   标题样式
======================================== */
.section-title {
    font-size: 36px;
    font-weight: 700;
    color: var(--dark-color);
    margin-bottom: 15px;
    text-align: center;
}

.section-subtitle {
    font-size: 18px;
    color: var(--gray-color);
    text-align: center;
    margin-bottom: 50px;
}

.section-header {
    margin-bottom: 60px;
}

.title-divider {
    width: 60px;
    height: 4px;
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    margin: 0 auto 20px;
    border-radius: 2px;
}

.text-center {
    text-align: center;
    margin-top: 40px;
}

/* ========================================
   导航栏样式
======================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: var(--white);
    box-shadow: var(--shadow);
    z-index: 1000;
    transition: var(--transition);
}

.navbar {
    padding: 15px 0;
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo a {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.logo-text {
    font-size: 28px;
    font-weight: 700;
    color: var(--primary-color);
    letter-spacing: 1px;
}

.logo-sub {
    font-size: 12px;
    color: var(--gray-color);
    letter-spacing: 2px;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 30px;
}

.nav-menu a {
    color: var(--dark-color);
    font-weight: 500;
    padding: 8px 0;
    position: relative;
}

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

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

.nav-menu .contact-btn {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 10px 20px;
    border-radius: 5px;
}

.nav-menu .contact-btn::after {
    display: none;
}

.nav-menu .contact-btn:hover {
    background-color: #c41230;
    transform: translateY(-2px);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--dark-color);
    transition: var(--transition);
}

/* ========================================
   轮播图样式
======================================== */
.hero-slider {
    margin-top: 70px;
    position: relative;
    height: 600px;
    overflow: hidden;
}

.slider-container {
    position: relative;
    height: 100%;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.5s ease-in-out;
    display: flex;
    align-items: center;
}

.slide.active {
    opacity: 1;
}

.slide-content {
    text-align: center;
    color: var(--white);
}

.slide-title {
    font-size: 56px;
    font-weight: 700;
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
    letter-spacing: -0.5px;
}

.slide-subtitle {
    font-size: 24px;
    margin-bottom: 40px;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}

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

.slider-nav {
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    transform: translateY(-50%);
    display: flex;
    justify-content: space-between;
    padding: 0 30px;
    pointer-events: none;
}

.slider-btn {
    pointer-events: all;
    background-color: rgba(255, 255, 255, 0.3);
    color: var(--white);
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 20px;
    transition: var(--transition);
}

.slider-btn:hover {
    background-color: rgba(255, 255, 255, 0.8);
    color: var(--dark-color);
}

.slider-dots {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
}

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

.dot.active,
.dot:hover {
    background-color: var(--white);
}

/* ========================================
   公司简介区域
======================================== */
.company-intro {
    padding: 100px 0;
    background-color: var(--white);
}

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

.intro-content .section-title {
    text-align: left;
}

.intro-content .title-divider {
    margin: 0 0 30px 0;
}

.intro-text {
    font-size: 16px;
    line-height: 1.8;
    color: var(--gray-color);
    margin-bottom: 30px;
}

.intro-features {
    margin-bottom: 30px;
}

.intro-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
    font-size: 16px;
}

.intro-features i {
    color: var(--primary-color);
    font-size: 20px;
}

.intro-image {
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.image-placeholder {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    aspect-ratio: 4/3;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--white);
}

.image-placeholder i {
    font-size: 80px;
    margin-bottom: 20px;
    opacity: 0.8;
}

.image-placeholder p {
    font-size: 18px;
    opacity: 0.9;
}

/* ========================================
   产品分类区域
======================================== */
.products-category {
    padding: 100px 0;
    background-color: var(--light-gray);
}

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

.category-card {
    background-color: var(--white);
    padding: 40px 30px;
    position: relative;
    overflow: hidden;
    border-radius: 10px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    text-align: center;
}

.category-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(227, 24, 55, 0.05), transparent);
    transition: left 0.5s ease;
}

.category-card:hover::before {
    left: 100%;
}

.category-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.category-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
}

.category-icon i {
    font-size: 36px;
    color: var(--white);
}

.category-title {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--dark-color);
}

.category-desc {
    font-size: 14px;
    color: var(--gray-color);
    margin-bottom: 20px;
}

.category-list {
    text-align: left;
    margin-bottom: 25px;
}

.category-list li {
    padding: 8px 0;
    color: var(--gray-color);
    font-size: 14px;
    border-bottom: 1px solid var(--light-gray);
}

.category-link {
    color: var(--primary-color);
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.category-link:hover {
    gap: 10px;
}

/* ========================================
   案例展示区域
======================================== */
.cases-preview {
    padding: 100px 0;
    background-color: var(--white);
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
    margin-bottom: 60px;
}

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

.case-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
}

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

.case-image {
    height: 250px;
    overflow: hidden;
    position: relative;
}

.case-image .image-placeholder {
    height: 100%;
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    transition: transform 0.5s ease;
}

.case-content {
    padding: 30px;
}

.case-title {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--dark-color);
}

.case-desc {
    font-size: 15px;
    color: var(--gray-color);
    line-height: 1.7;
    margin-bottom: 20px;
}

.case-link {
    color: var(--primary-color);
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.case-link:hover {
    gap: 10px;
}

/* ========================================
   新闻资讯区域
======================================== */
.news-section {
    padding: 100px 0;
    background-color: var(--light-gray);
}

.news-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin-bottom: 60px;
}

.news-column {
    background-color: var(--white);
    padding: 40px;
    border-radius: 10px;
    box-shadow: var(--shadow);
}

.news-column-title {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 30px;
    color: var(--dark-color);
    display: flex;
    align-items: center;
    gap: 10px;
}

.news-column-title i {
    color: var(--primary-color);
}

.news-list {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.news-item {
    padding-bottom: 25px;
    border-bottom: 1px solid var(--light-gray);
}

.news-item:last-child {
    padding-bottom: 0;
    border-bottom: none;
}

.news-date {
    font-size: 13px;
    color: var(--gray-color);
    margin-bottom: 10px;
}

.news-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 10px;
    line-height: 1.4;
}

.news-title a {
    color: var(--dark-color);
}

.news-title a:hover {
    color: var(--primary-color);
}

.news-excerpt {
    font-size: 14px;
    color: var(--gray-color);
    line-height: 1.6;
}

/* ========================================
   优势展示区域
======================================== */
.advantages {
    padding: 100px 0;
    background-color: var(--white);
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.advantage-card {
    text-align: center;
    padding: 40px 20px;
    border-radius: 10px;
    background-color: var(--light-gray);
    transition: var(--transition);
}

.advantage-card:hover {
    background-color: var(--white);
    box-shadow: var(--shadow-lg);
    transform: translateY(-5px);
}

.advantage-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.advantage-icon i {
    font-size: 32px;
    color: var(--white);
}

.advantage-title {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--dark-color);
}

.advantage-desc {
    font-size: 14px;
    color: var(--gray-color);
    line-height: 1.6;
}

/* ========================================
   CTA区域
======================================== */
.cta-section {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
}

.cta-wrapper {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    padding: 60px 40px;
    border-radius: 15px;
    text-align: center;
    color: var(--white);
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
}

.cta-wrapper::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    animation: ctaPulse 8s ease-in-out infinite;
    pointer-events: none;
}

.cta-buttons {
    position: relative;
    z-index: 1;
}

.cta-title,
.cta-text {
    position: relative;
    z-index: 1;
}

@keyframes ctaPulse {
    0%, 100% { transform: scale(1); opacity: 0.5; }
    50% { transform: scale(1.1); opacity: 0.8; }
}

.cta-title {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 20px;
}

.cta-text {
    font-size: 18px;
    margin-bottom: 40px;
    opacity: 0.95;
}

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

/* ========================================
   页脚样式
======================================== */
.footer {
    background-color: #2c2c2c;
    color: var(--white);
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-title {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 15px;
}

.footer-desc {
    font-size: 14px;
    line-height: 1.6;
    opacity: 0.8;
    margin-bottom: 20px;
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-links a {
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

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

.footer-heading {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 20px;
}

.footer-links li,
.footer-contact li {
    margin-bottom: 12px;
}

.footer-links a {
    font-size: 14px;
    opacity: 0.8;
    transition: var(--transition);
}

.footer-links a:hover {
    opacity: 1;
    color: var(--primary-color);
    padding-left: 5px;
}

.footer-contact li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 14px;
    opacity: 0.8;
}

.footer-contact i {
    color: var(--primary-color);
    margin-top: 3px;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 14px;
    opacity: 0.7;
}

.footer-bottom a {
    color: var(--white);
    text-decoration: underline;
}

/* ========================================
   返回顶部按钮
======================================== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background-color: var(--primary-color);
    color: var(--white);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
    box-shadow: var(--shadow-lg);
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background-color: #c41230;
    transform: translateY(-5px);
}

/* ========================================
   悬浮联系按钮
======================================== */
.floating-contact {
    position: fixed;
    bottom: 100px;
    right: 30px;
    z-index: 999;
}

.floating-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    background-color: var(--secondary-color);
    color: var(--white);
    padding: 15px 25px;
    border-radius: 50px;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
}

.floating-btn:hover {
    background-color: #0052a3;
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
}

.floating-btn i {
    font-size: 20px;
}

/* ========================================
   CMS内容区域样式 - 方便对接CMS
======================================== */
.cms-content-area {
    line-height: 1.8;
}

.cms-content-area p {
    margin-bottom: 12px;
    color: var(--gray-color);
}

.cms-content-area p:last-child {
    margin-bottom: 0;
}

.cms-content-area h2,
.cms-content-area h3,
.cms-content-area h4 {
    color: var(--dark-color);
    margin-top: 20px;
    margin-bottom: 10px;
}

.cms-content-area h2:first-child,
.cms-content-area h3:first-child,
.cms-content-area h4:first-child {
    margin-top: 0;
}

.cms-content-area ul,
.cms-content-area ol {
    margin-left: 20px;
    margin-bottom: 15px;
}

.cms-content-area li {
    margin-bottom: 8px;
}

/* ========================================
   图片样式 - 方便对接CMS
======================================== */
.intro-image img,
.category-image img,
.case-image img,
.news-image img,
.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 10px;
    transition: var(--transition);
}

.category-image {
    width: 100%;
    height: 180px;
    overflow: hidden;
    border-radius: 10px;
    margin-bottom: 20px;
}

.case-image img:hover,
.news-image img:hover,
.product-image img:hover {
    transform: scale(1.05);
}

.case-image,
.news-image {
    overflow: hidden;
}

/* 产品详情图片 */
.main-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* 文章特色图片 */
.article-featured-image img {
    width: 100%;
    height: auto;
    border-radius: 10px;
    margin-bottom: 30px;
}

/* ========================================
   响应式适配
======================================== */
@media (max-width: 1024px) {
    .intro-wrapper {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .intro-image {
        order: -1;
    }

    .footer-content {
        grid-template-columns: 1fr 1fr;
    }

    .category-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .news-wrapper {
        gap: 30px;
    }
    
    .cases-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }
}

@media (max-width: 768px) {
    /* 鐎佃壈鍩呴懣婊冨礋 */
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background-color: var(--white);
        flex-direction: column;
        justify-content: flex-start;
        padding: 30px;
        gap: 20px;
        transition: var(--transition);
        box-shadow: var(--shadow);
        z-index: 999;
        overflow-y: auto;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(8px, 8px);
    }

    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }

    /* 鏉烆喗鎸遍崶?*/
    .hero-slider {
        height: 500px;
    }

    .slide-title {
        font-size: 32px;
    }

    .slide-subtitle {
        font-size: 16px;
    }
    
    .slide-buttons {
        gap: 15px;
    }
    
    .slide-buttons .btn {
        padding: 12px 30px;
        font-size: 15px;
    }

    /* 闁氨鏁ら弽鍥暯 */
    .section-title {
        font-size: 28px;
    }

    .section-subtitle {
        font-size: 15px;
    }
    
    /* 妞ょ敻娼伴崠鍝勬健闂傜绐?*/
    section {
        padding: 60px 0;
    }
    
    .intro-section,
    .products-section,
    .cases-preview,
    .news-section,
    .advantages {
        padding: 60px 0;
    }

    /* 鐢啫鐪?*/
    .news-wrapper {
        grid-template-columns: 1fr;
        gap: 25px;
    }
    
    .news-column {
        padding: 30px 20px;
    }

    .cases-grid {
        grid-template-columns: 1fr;
        gap: 25px;
    }

    .category-grid {
        grid-template-columns: 1fr;
        gap: 25px;
    }

    .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    /* CTA閸栧搫鐓?*/
    .cta-title {
        font-size: 26px;
    }

    .cta-text {
        font-size: 15px;
    }
    
    .cta-buttons {
        flex-direction: column;
        gap: 15px;
    }
    
    .cta-buttons .btn {
        width: 100%;
        text-align: center;
    }

    /* 濞搭喖濮╅幐澶愭尦 */
    .floating-btn span {
        display: none;
    }

    .floating-btn {
        width: 55px;
        height: 55px;
        padding: 0;
        justify-content: center;
        border-radius: 50%;
    }
    
    .back-to-top {
        width: 45px;
        height: 45px;
        font-size: 18px;
    }
}

@media (max-width: 480px) {
    /* 鐎圭懓娅?*/
    .container {
        padding: 0 15px;
    }

    /* 鏉烆喗鎸遍崶?*/
    .hero-slider {
        height: 450px;
    }

    .slide-title {
        font-size: 26px;
        line-height: 1.3;
    }

    .slide-subtitle {
        font-size: 14px;
    }

    .slide-buttons {
        flex-direction: column;
        gap: 12px;
        width: 100%;
    }
    
    .slide-buttons .btn {
        width: 100%;
        padding: 14px 25px;
        font-size: 14px;
    }

    /* 閺嶅洭顣?*/
    .section-title {
        font-size: 24px;
    }
    
    .section-subtitle {
        font-size: 14px;
    }
    
    /* 妞ょ敻娼伴梻纾嬬獩 */
    section {
        padding: 50px 0;
    }
    
    .intro-section,
    .products-section,
    .cases-preview,
    .news-section,
    .advantages {
        padding: 50px 0;
    }
    
    /* 閸忣剙寰冪粻鈧禒?*/
    .intro-text {
        font-size: 15px;
    }
    
    .intro-features {
        font-size: 14px;
    }
    
    /* 娴溠冩惂閸掑棛琚?*/
    .category-card {
        padding: 25px 20px;
    }
    
    .category-icon {
        font-size: 35px;
        margin-bottom: 15px;
    }
    
    .category-title {
        font-size: 18px;
    }
    
    /* 濡楀牅绶ラ崡锛勫 */
    .case-title {
        font-size: 18px;
    }
    
    .case-desc {
        font-size: 14px;
    }
    
    /* 閺備即妞?*/
    .news-column {
        padding: 25px 15px;
    }
    
    .news-column-title {
        font-size: 20px;
    }
    
    .news-title a {
        font-size: 16px;
    }
    
    /* 娴兼ê濞?*/
    .advantages-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .advantage-card {
        padding: 25px 20px;
    }
    
    .advantage-icon {
        font-size: 40px;
        margin-bottom: 15px;
    }
    
    .advantage-title {
        font-size: 18px;
    }
    
    /* CTA */
    .cta-section {
        padding: 50px 0;
    }
    
    .cta-wrapper {
        padding: 40px 25px;
    }
    
    .cta-title {
        font-size: 22px;
    }
    
    .cta-text {
        font-size: 14px;
    }
    
    /* 妞や絻鍓?*/
    .footer {
        padding: 40px 0 20px;
    }
    
    .footer-title {
        font-size: 18px;
    }
    
    .footer-heading {
        font-size: 16px;
    }
    
    .footer-links,
    .footer-contact {
        font-size: 14px;
    }
    
    /* 閹稿鎸?*/
    .btn {
        padding: 12px 25px;
        font-size: 14px;
    }
    
    /* 濞搭喖濮╅崗鍐 */
    .back-to-top,
    .floating-contact {
        right: 15px;
        bottom: 20px;
    }
    
    .back-to-top {
        width: 40px;
        height: 40px;
        font-size: 16px;
    }
    
    .floating-btn {
        width: 50px;
        height: 50px;
        font-size: 20px;
    }
}

/* ========================================
   閸斻劎鏁鹃弫鍫熺亯
======================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

[data-aos="fade-up"] {
    animation: fadeInUp 0.8s ease-out;
}

[data-aos="fade-right"] {
    animation: fadeInRight 0.8s ease-out;
}

[data-aos="fade-left"] {
    animation: fadeInLeft 0.8s ease-out;
}

[data-aos="zoom-in"] {
    animation: zoomIn 0.8s ease-out;
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

@keyframes zoomIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}
/* 閸忓厖绨幋鎴滄粦妞ょ敻娼伴弽宄扮础 */

/* 妞ょ敻娼伴弽鍥暯 */
.page-header {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    padding: 120px 0 60px;
    margin-top: 70px;
    text-align: center;
    color: var(--white);
}

.page-title {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 15px;
}

.page-subtitle {
    font-size: 20px;
    margin-bottom: 30px;
    opacity: 0.95;
}

.breadcrumb {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-size: 14px;
    opacity: 0.95;
    margin-top: 10px;
}

.breadcrumb a {
    color: var(--white);
    transition: var(--transition);
    position: relative;
}

.breadcrumb a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--white);
    transition: width 0.3s ease;
}

.breadcrumb a:hover::after {
    width: 100%;
}

.breadcrumb span {
    opacity: 0.7;
}

/* 閸濆秴绨插蹇氼啎鐠?*/
@media (max-width: 768px) {
    .page-header {
        padding: 120px 0 50px;
    }
    
    .page-title {
        font-size: 32px;
    }
    
    .page-subtitle {
        font-size: 15px;
    }
    
    .breadcrumb {
        font-size: 13px;
    }
}

@media (max-width: 480px) {
    .page-header {
        padding: 100px 0 40px;
    }
    
    .page-title {
        font-size: 26px;
    }
    
    .page-subtitle {
        font-size: 14px;
    }
    
    .breadcrumb {
        font-size: 12px;
    }
}

/* 閸忣剙寰冪粻鈧禒瀣劥閸?*/
.company-intro {
    padding: 80px 0;
    background: var(--white);
}

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

.intro-content h2 {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 20px;
}

.title-divider {
    width: 60px;
    height: 4px;
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    margin-bottom: 30px;
}

.intro-content p {
    font-size: 16px;
    line-height: 1.8;
    color: var(--gray-color);
    margin-bottom: 20px;
}

.intro-image {
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.image-placeholder {
    aspect-ratio: 4/3;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.image-placeholder-content {
    text-align: center;
}

.image-placeholder-content i {
    font-size: 80px;
    margin-bottom: 20px;
    opacity: 0.8;
}

.image-placeholder-content p {
    font-size: 18px;
}

/* 娴兼ê濞嶉柈銊ュ瀻 */
.advantages-section {
    padding: 80px 0;
    background: var(--light-gray);
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.advantage-card {
    text-align: center;
    padding: 40px 30px;
    background: var(--white);
    border-radius: 10px;
    transition: var(--transition);
}

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

.advantage-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.advantage-icon i {
    font-size: 36px;
    color: white;
}

.advantage-card h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 15px;
}

.advantage-card p {
    color: var(--gray-color);
    font-size: 14px;
}

/* 閸濆秴绨插蹇氼啎鐠?*/
@media (max-width: 768px) {
    .intro-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .intro-content h2 {
        font-size: 28px;
    }
    
    .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    .advantage-card {
        padding: 30px 20px;
    }
}

@media (max-width: 480px) {
    .intro-content h2 {
        font-size: 24px;
    }
    
    .intro-content p {
        font-size: 15px;
    }
    
    .advantages-grid {
        grid-template-columns: 1fr;
    }
    
    .image-placeholder-content i {
        font-size: 60px;
    }
    
    .advantage-icon {
        width: 60px;
        height: 60px;
    }
    
    .advantage-icon i {
        font-size: 28px;
    }
}
/* ========================================
   娴溠冩惂妞ょ敻娼版稉鎾舵暏閺嶅嘲绱?
======================================== */

/* 妞ょ敻娼伴弽鍥暯 */
.page-header {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    padding: 120px 0 60px;
    margin-top: 70px;
    text-align: center;
    color: var(--white);
}

.page-title {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 15px;
}

.page-subtitle {
    font-size: 20px;
    margin-bottom: 30px;
    opacity: 0.95;
}

.breadcrumb {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-size: 14px;
    opacity: 0.95;
    margin-top: 10px;
}

.breadcrumb a {
    color: var(--white);
    transition: var(--transition);
    position: relative;
}

.breadcrumb a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--white);
    transition: width 0.3s ease;
}

.breadcrumb a:hover::after {
    width: 100%;
}

.breadcrumb span {
    opacity: 0.7;
}

/* 娴溠冩惂缁涙盯鈧?*/
.product-filter {
    padding: 30px 0;
    background-color: var(--white);
    border-bottom: 1px solid var(--light-gray);
    position: sticky;
    top: 70px;
    z-index: 100;
}

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

.filter-tabs {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    justify-content: center;
}

.filter-tab {
    padding: 12px 24px;
    background-color: var(--light-gray);
    border: none;
    border-radius: 30px;
    cursor: pointer;
    font-size: 15px;
    font-weight: 500;
    color: var(--dark-color);
    transition: all 0.3s ease;
}

.filter-tab:hover {
    background-color: rgba(230, 27, 57, 0.1);
    color: var(--primary-color);
}

.filter-tab.active {
    background-color: var(--primary-color);
    color: var(--white);
    box-shadow: 0 4px 15px rgba(230, 27, 57, 0.3);
}

.filter-search {
    display: flex;
    gap: 10px;
    min-width: 300px;
}

.filter-search input {
    flex: 1;
    padding: 10px 15px;
    border: 2px solid var(--light-gray);
    border-radius: 5px;
    font-size: 14px;
    transition: var(--transition);
}

.filter-search input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.search-btn {
    padding: 10px 20px;
    background-color: var(--primary-color);
    color: var(--white);
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: var(--transition);
}

.search-btn:hover {
    background-color: #c41230;
}

/* 娴溠冩惂閸掓銆?*/
.products-section {
    padding: 60px 0;
    background-color: var(--light-gray);
}

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

.product-card {
    background-color: var(--white);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    position: relative;
}

.product-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.product-card:hover::after {
    transform: scaleX(1);
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

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

.product-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background-color: var(--primary-color);
    color: var(--white);
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    z-index: 10;
}

.product-image {
    height: 250px;
    overflow: hidden;
    background-color: var(--light-gray);
}

.product-image .image-placeholder {
    height: 100%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--white);
}

.product-image .image-placeholder i {
    font-size: 80px;
    opacity: 0.8;
}

.product-content {
    padding: 25px 28px 28px;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.product-title {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--dark-color);
    line-height: 1.5;
    letter-spacing: -0.3px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    min-height: 54px;
}

.product-title::before {
    content: '';
    display: inline-block;
    width: 4px;
    height: 18px;
    background: linear-gradient(180deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    margin-right: 10px;
    vertical-align: middle;
    border-radius: 2px;
}

.product-desc {
    font-size: 14px;
    color: #666;
    line-height: 1.75;
    margin-bottom: 20px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    flex: 1;
    letter-spacing: 0.2px;
}

.product-features {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 25px;
}

.product-features span {
    font-size: 13px;
    color: var(--gray-color);
    display: flex;
    align-items: center;
    gap: 8px;
}

.product-features i {
    color: var(--primary-color);
    font-size: 12px;
}

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

.product-footer .btn {
    flex: 1;
    padding: 10px 15px;
    font-size: 14px;
    text-align: center;
}

/* 缁岃櫣濮搁幀?*/
.empty-state {
    text-align: center;
    padding: 80px 20px;
    color: var(--gray-color);
    display: none; /* 姒涙顓婚梾鎰閿涘瞼鏁盝S閹貉冨煑閺勫墽銇?*/
}

.empty-state.show {
    display: block;
}

.empty-state i {
    font-size: 80px;
    color: var(--gray-color);
    opacity: 0.3;
    margin-bottom: 20px;
}

.empty-state p {
    font-size: 18px;
    color: var(--gray-color);
    margin-bottom: 10px;
}

.empty-desc {
    font-size: 14px;
}

.empty-desc a {
    color: var(--primary-color);
    text-decoration: underline;
}

/* 婢堆冪潌楠炴洑绱崠?*/
@media (min-width: 1400px) {
    .products-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* 閸濆秴绨插蹇氼啎鐠?*/
@media (max-width: 1024px) {
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .filter-tabs {
        gap: 10px;
    }
    
    .filter-tab {
        padding: 10px 18px;
        font-size: 14px;
    }
}

@media (max-width: 768px) {
    .page-header {
        padding: 120px 0 50px;
    }
    
    .page-title {
        font-size: 32px;
    }

    .page-subtitle {
        font-size: 15px;
    }
    
    .breadcrumb {
        font-size: 13px;
    }

    .products-section {
        padding: 50px 0;
    }

    .products-grid {
        grid-template-columns: 1fr;
        gap: 25px;
    }

    /* 缁夎濮╃粩顖滅摣闁瀵滈柦顔荤喘閸?- 缂冩垶鐗哥敮鍐ㄧ湰 */
    .product-filter {
        padding: 20px 0;
        top: 70px;
    }
    
    .filter-wrapper {
        width: 100%;
    }
    
    .filter-tabs {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 10px;
        padding: 0;
    }

    .filter-tab {
        padding: 12px 10px;
        font-size: 13px;
        border-radius: 8px;
        text-align: center;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }
    
    /* 缁楊兛绔存稉顏呭瘻闁筋噯绱欓崗銊╁劥娴溠冩惂閿涘宕熼悪顑跨鐞涘苯鐪虫稉?*/
    .filter-tab:first-child {
        grid-column: 1 / -1;
        max-width: 200px;
        margin: 0 auto 5px;
        border-radius: 25px;
    }
    
    .filter-tab.active {
        box-shadow: 0 2px 10px rgba(230, 27, 57, 0.25);
    }
    
    .product-card {
        max-width: 100%;
    }
    
    .product-content {
        padding: 25px 20px;
    }
    
    .product-title {
        font-size: 18px;
    }
    
    .product-footer {
        gap: 10px;
    }
    
    .product-footer .btn {
        font-size: 13px;
        padding: 10px 20px;
    }
}

@media (max-width: 480px) {
    .page-header {
        padding: 100px 0 40px;
    }

    .page-title {
        font-size: 26px;
    }
    
    .page-subtitle {
        font-size: 14px;
    }
    
    .breadcrumb {
        font-size: 12px;
    }

    .products-section {
        padding: 40px 0;
    }

    /* 鐏忓繐鐫嗛獮鏇犵摣闁瀵滈柦?- 2閸掓缍夐弽?*/
    .product-filter {
        padding: 15px 0;
        top: 60px;
    }
    
    .filter-tabs {
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
    }

    .filter-tab {
        padding: 11px 8px;
        font-size: 12px;
        border-radius: 6px;
    }
    
    .filter-tab:first-child {
        grid-column: 1 / -1;
        max-width: 160px;
        margin: 0 auto 3px;
        padding: 10px 20px;
        border-radius: 20px;
    }

    .product-content {
        padding: 20px 15px;
    }
    
    .product-title {
        font-size: 17px;
    }
    
    .product-desc {
        font-size: 13px;
    }
    
    .product-features {
        font-size: 12px;
    }

    .product-footer {
        flex-direction: column;
        gap: 10px;
    }
    
    .product-footer .btn {
        width: 100%;
        text-align: center;
        padding: 12px 20px;
        font-size: 14px;
    }
}
/* ========================================
   閺備即妞堟い鐢告桨娑撴挾鏁ら弽宄扮础
======================================== */

/* 妞ょ敻娼伴弽鍥暯 */
.page-header {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    padding: 120px 0 60px;
    margin-top: 70px;
    text-align: center;
    color: var(--white);
}

.page-title {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 15px;
}

.page-subtitle {
    font-size: 20px;
    margin-bottom: 30px;
    opacity: 0.95;
}

.breadcrumb {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-size: 14px;
    opacity: 0.95;
    margin-top: 10px;
}

.breadcrumb a {
    color: var(--white);
    transition: var(--transition);
    position: relative;
}

.breadcrumb a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--white);
    transition: width 0.3s ease;
}

.breadcrumb a:hover::after {
    width: 100%;
}

.breadcrumb span {
    opacity: 0.7;
}

/* 閺備即妞堢粵娑⑩偓?*/
.news-filter {
    padding: 40px 0;
    background-color: var(--white);
    border-bottom: 1px solid var(--light-gray);
}

.filter-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 30px;
    flex-wrap: wrap;
}

.filter-tabs {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.filter-tab {
    padding: 12px 24px;
    background-color: var(--light-gray);
    border: 2px solid transparent;
    border-radius: 25px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    color: var(--dark-color);
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.filter-tab i {
    font-size: 14px;
}

.filter-tab:hover {
    background-color: #e0e0e0;
    transform: translateY(-2px);
}

.filter-tab.active {
    background-color: var(--primary-color);
    color: var(--white);
    border-color: var(--primary-color);
    box-shadow: 0 4px 12px rgba(227, 24, 55, 0.3);
}

.filter-search {
    display: flex;
    gap: 10px;
    min-width: 300px;
}

.filter-search input {
    flex: 1;
    padding: 12px 20px;
    border: 2px solid var(--light-gray);
    border-radius: 25px;
    font-size: 14px;
    transition: var(--transition);
}

.filter-search input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(227, 24, 55, 0.1);
}

.search-btn {
    padding: 12px 24px;
    background-color: var(--primary-color);
    color: var(--white);
    border: none;
    border-radius: 25px;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.search-btn:hover {
    background-color: #c41230;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(227, 24, 55, 0.3);
}

.search-btn i {
    font-size: 16px;
}

/* 閺備即妞堥崚妤勩€?*/
.news-section {
    padding: 60px 0;
    background-color: var(--light-gray);
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
}

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

.news-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.news-image {
    height: 220px;
    overflow: hidden;
    position: relative;
}

.news-image .image-placeholder {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    transition: var(--transition);
}

.news-card:hover .image-placeholder {
    transform: scale(1.1);
}

.news-image .image-placeholder i {
    font-size: 60px;
    opacity: 0.8;
}

.news-category {
    position: absolute;
    top: 15px;
    left: 15px;
    padding: 6px 15px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    color: var(--white);
    backdrop-filter: blur(10px);
}

.news-category.company {
    background-color: rgba(227, 24, 55, 0.9);
}

.news-category.industry {
    background-color: rgba(0, 102, 204, 0.9);
}

.news-category.technical {
    background-color: rgba(76, 175, 80, 0.9);
}

.news-content {
    padding: 25px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.news-meta {
    display: flex;
    gap: 20px;
    margin-bottom: 15px;
    font-size: 13px;
    color: var(--gray-color);
}

.news-meta span {
    display: flex;
    align-items: center;
    gap: 5px;
}

.news-meta i {
    font-size: 14px;
}

.news-title {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 15px;
    line-height: 1.4;
}

.news-title a {
    color: var(--dark-color);
    transition: var(--transition);
}

.news-title a:hover {
    color: var(--primary-color);
}

.news-excerpt {
    font-size: 14px;
    color: var(--gray-color);
    line-height: 1.7;
    margin-bottom: 20px;
    flex: 1;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    line-clamp: 3;
    overflow: hidden;
}

.news-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 20px;
}

.tag {
    padding: 4px 12px;
    background-color: var(--light-gray);
    color: var(--gray-color);
    font-size: 12px;
    border-radius: 15px;
    transition: var(--transition);
}

.tag:hover {
    background-color: var(--primary-color);
    color: var(--white);
}

.news-link {
    color: var(--primary-color);
    font-weight: 500;
    font-size: 14px;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    align-self: flex-start;
    transition: var(--transition);
}

.news-link:hover {
    gap: 10px;
}

.news-link i {
    font-size: 12px;
}

/* 閸掑棝銆?*/
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    margin-top: 40px;
}

.page-btn {
    padding: 10px 20px;
    background-color: var(--white);
    color: var(--dark-color);
    border: 2px solid var(--light-gray);
    border-radius: 5px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 5px;
}

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

.page-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.page-numbers {
    display: flex;
    gap: 8px;
    align-items: center;
}

.page-num {
    width: 40px;
    height: 40px;
    background-color: var(--white);
    color: var(--dark-color);
    border: 2px solid var(--light-gray);
    border-radius: 5px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition);
}

.page-num:hover,
.page-num.active {
    background-color: var(--primary-color);
    color: var(--white);
    border-color: var(--primary-color);
}

.page-dots {
    color: var(--gray-color);
    font-weight: 600;
}

/* 鐠併垽妲勯崠鍝勭厵 */
.subscribe-section {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
}

.subscribe-wrapper {
    text-align: center;
    color: var(--white);
}

.subscribe-content i {
    font-size: 60px;
    margin-bottom: 20px;
    opacity: 0.9;
}

.subscribe-title {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 15px;
}

.subscribe-text {
    font-size: 16px;
    margin-bottom: 40px;
    opacity: 0.95;
}

.subscribe-form {
    display: flex;
    max-width: 600px;
    margin: 0 auto;
    gap: 15px;
}

.subscribe-form input {
    flex: 1;
    padding: 15px 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 5px;
    font-size: 16px;
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--white);
    transition: var(--transition);
}

.subscribe-form input::placeholder {
    color: rgba(255, 255, 255, 0.7);
}

.subscribe-form input:focus {
    outline: none;
    background-color: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.5);
}

.subscribe-form button {
    padding: 15px 30px;
    white-space: nowrap;
}

/* 閸濆秴绨插蹇氼啎鐠?*/
@media (max-width: 1024px) {
    .news-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 25px;
    }
}

@media (max-width: 768px) {
    .page-header {
        padding: 120px 0 50px;
    }
    
    .page-title {
        font-size: 32px;
    }
    
    .page-subtitle {
        font-size: 15px;
    }

    .news-section {
        padding: 50px 0;
    }

    .news-grid {
        grid-template-columns: 1fr;
        gap: 25px;
    }
    
    .filter-wrapper {
        flex-direction: column;
        gap: 20px;
    }
    
    .filter-tabs {
        width: 100%;
        flex-wrap: wrap;
        gap: 10px;
    }
    
    .filter-tab {
        flex: 1 1 calc(50% - 5px);
        padding: 12px 15px;
        font-size: 13px;
        justify-content: center;
    }
    
    .filter-search {
        width: 100%;
        min-width: auto;
    }
    
    .news-card {
        max-width: 100%;
    }
    
    .news-content {
        padding: 25px 20px;
    }
    
    .news-title {
        font-size: 18px;
    }
    
    .news-excerpt {
        font-size: 14px;
    }
    
    .pagination {
        flex-direction: column;
        gap: 15px;
    }
    
    .page-numbers {
        order: -1;
    }
    
    .page-btn {
        width: 100%;
        justify-content: center;
    }
    
    .subscribe-wrapper {
        flex-direction: column;
        text-align: center;
        gap: 25px;
    }
    
    .subscribe-form {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .page-header {
        padding: 100px 0 40px;
    }
    
    .page-title {
        font-size: 26px;
    }
    
    .page-subtitle {
        font-size: 14px;
    }

    .news-section {
        padding: 40px 0;
    }
    
    .filter-tabs {
        flex-direction: column;
        gap: 10px;
    }
    
    .filter-tab {
        width: 100%;
        flex: none;
        padding: 14px 15px;
        font-size: 14px;
        justify-content: center;
    }
    
    .filter-search input {
        padding: 12px 15px;
        font-size: 14px;
    }
    
    .news-content {
        padding: 20px 15px;
    }
    
    .news-title {
        font-size: 17px;
    }
    
    .news-excerpt {
        font-size: 13px;
        line-clamp: 3;
    }
    
    .news-meta {
        font-size: 12px;
        flex-direction: column;
        gap: 8px;
    }
    
    .news-tags .tag {
        font-size: 11px;
        padding: 4px 10px;
    }
    
    .subscribe-section {
        padding: 40px 0;
    }
    
    .subscribe-wrapper {
        padding: 35px 20px;
    }
    
    .subscribe-title {
        font-size: 20px;
    }
    
    .subscribe-text {
        font-size: 14px;
    }
    
    .subscribe-form {
        flex-direction: column;
        gap: 12px;
    }
    
    .subscribe-form input,
    .subscribe-form button {
        width: 100%;
    }
    
    .page-btn {
        padding: 10px 15px;
        font-size: 13px;
    }

    .page-num {
        width: 35px;
        height: 35px;
        font-size: 13px;
    }
}
/* 鎼存梻鏁ゅ鍫滅伐妞ょ敻娼伴弽宄扮础 */

/* 妞ょ敻娼伴弽鍥暯 */
.page-header {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    padding: 120px 0 60px;
    margin-top: 70px;
    text-align: center;
    color: var(--white);
}

.page-title {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 15px;
}

.page-subtitle {
    font-size: 20px;
    margin-bottom: 30px;
    opacity: 0.95;
}

.breadcrumb {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-size: 14px;
    opacity: 0.95;
    margin-top: 10px;
}

.breadcrumb a {
    color: var(--white);
    transition: var(--transition);
    position: relative;
}

.breadcrumb a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--white);
    transition: width 0.3s ease;
}

.breadcrumb a:hover::after {
    width: 100%;
}

.breadcrumb span {
    opacity: 0.7;
}

.cases-filter {
    padding: 40px 0;
    background-color: var(--white);
    border-bottom: 1px solid var(--light-gray);
}

.filter-tabs {
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
}

.filter-tab {
    padding: 12px 24px;
    background-color: var(--light-gray);
    border: 2px solid transparent;
    border-radius: 25px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    color: var(--dark-color);
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.filter-tab i {
    font-size: 14px;
}

.filter-tab:hover {
    background-color: #e0e0e0;
    transform: translateY(-2px);
}

.filter-tab.active {
    background-color: var(--primary-color);
    color: var(--white);
    border-color: var(--primary-color);
    box-shadow: 0 4px 12px rgba(227, 24, 55, 0.3);
}

.cases-section {
    padding: 60px 0;
    background-color: var(--light-gray);
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
    gap: 30px;
}

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

.case-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.case-image {
    height: 220px;
    position: relative;
}

.case-image .image-placeholder {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
}

.case-image i {
    font-size: 60px;
    opacity: 0.8;
}

.case-industry {
    position: absolute;
    top: 15px;
    left: 15px;
    padding: 6px 15px;
    background: rgba(227, 24, 55, 0.9);
    color: var(--white);
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.case-content {
    padding: 30px;
}

.case-title {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 15px;
}

.case-info {
    display: flex;
    gap: 20px;
    margin-bottom: 20px;
    font-size: 13px;
    color: var(--gray-color);
}

.case-section {
    margin-bottom: 20px;
}

.case-section h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--dark-color);
    display: flex;
    align-items: center;
    gap: 8px;
}

.case-section h4 i {
    color: var(--primary-color);
}

.case-section p {
    font-size: 14px;
    color: var(--gray-color);
    line-height: 1.6;
}

@media (max-width: 1024px) {
    .cases-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 25px;
    }
}

@media (max-width: 768px) {
    .page-header {
        padding: 120px 0 50px;
    }
    
    .page-title {
        font-size: 32px;
    }
    
    .page-subtitle {
        font-size: 15px;
    }

    .cases-section {
        padding: 50px 0;
    }

    .cases-grid {
        grid-template-columns: 1fr;
        gap: 25px;
    }
    
    .filter-tabs {
        flex-wrap: wrap;
        gap: 10px;
    }
    
    .filter-tabs {
        gap: 10px;
    }
    
    .filter-tab {
        flex: 1 1 calc(50% - 5px);
        padding: 12px 15px;
        font-size: 13px;
        justify-content: center;
    }
    
    .case-content {
        padding: 25px 20px;
    }
    
    .case-title {
        font-size: 18px;
    }
    
    .case-section {
        margin-bottom: 18px;
    }
    
    .case-section h4 {
        font-size: 15px;
    }
    
    .case-section p {
        font-size: 13px;
    }
    
    .case-info {
        font-size: 12px;
        flex-wrap: wrap;
    }
}

@media (max-width: 480px) {
    .page-header {
        padding: 100px 0 40px;
    }
    
    .page-title {
        font-size: 26px;
    }
    
    .page-subtitle {
        font-size: 14px;
    }

    .cases-section {
        padding: 40px 0;
    }
    
    .filter-tabs {
        flex-direction: column;
        gap: 10px;
    }
    
    .filter-tab {
        width: 100%;
        flex: none;
        padding: 14px 15px;
        font-size: 14px;
        justify-content: center;
    }
    
    .case-content {
        padding: 20px 15px;
    }
    
    .case-title {
        font-size: 17px;
    }
    
    .case-image {
        height: 180px;
    }
    
    .case-image i {
        font-size: 50px;
    }
    
    .case-industry {
        font-size: 11px;
        padding: 5px 12px;
    }
    
    .case-section {
        margin-bottom: 15px;
    }
    
    .case-section h4 {
        font-size: 14px;
        margin-bottom: 8px;
    }
    
    .case-section p {
        font-size: 13px;
    }
    
    .btn {
        width: 100%;
        text-align: center;
        padding: 12px 20px;
        font-size: 14px;
    }
}
/* 閼辨梻閮撮幋鎴滄粦妞ょ敻娼伴弽宄扮础 */

/* 妞ょ敻娼伴弽鍥暯 */
.page-header {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    padding: 120px 0 60px;
    margin-top: 70px;
    text-align: center;
    color: var(--white);
}

.page-title {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 15px;
}

.page-subtitle {
    font-size: 20px;
    margin-bottom: 30px;
    opacity: 0.95;
}

.breadcrumb {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-size: 14px;
    opacity: 0.95;
    margin-top: 10px;
}

.breadcrumb a {
    color: var(--white);
    transition: var(--transition);
    position: relative;
}

.breadcrumb a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--white);
    transition: width 0.3s ease;
}

.breadcrumb a:hover::after {
    width: 100%;
}

.breadcrumb span {
    opacity: 0.7;
}

/* 閸濆秴绨插蹇氼啎鐠?*/
@media (max-width: 768px) {
    .page-header {
        padding: 120px 0 50px;
    }
    
    .page-title {
        font-size: 32px;
    }
    
    .page-subtitle {
        font-size: 15px;
    }
    
    .breadcrumb {
        font-size: 13px;
    }
}

@media (max-width: 480px) {
    .page-header {
        padding: 100px 0 40px;
    }
    
    .page-title {
        font-size: 26px;
    }
    
    .page-subtitle {
        font-size: 14px;
    }
    
    .breadcrumb {
        font-size: 12px;
    }
}

/* 閼辨梻閮寸悰銊ュ礋闁劌鍨?*/
.contact-section {
    padding: 80px 0;
}

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

.contact-form-title,
.contact-info-title {
    margin-bottom: 20px;
    font-size: 28px;
    font-weight: 600;
}

.contact-info-title {
    margin-bottom: 30px;
}

/* 鐞涖劌宕熼弽宄扮础 */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.form-input,
.form-textarea {
    padding: 12px;
    border: 2px solid var(--light-gray);
    border-radius: 5px;
    font-size: 15px;
    font-family: inherit;
    transition: var(--transition);
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-textarea {
    resize: vertical;
}

/* 閼辨梻閮存穱鈩冧紖閸掓銆?*/
.contact-info-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-info-item {
    display: flex;
    align-items: center;
    font-size: 16px;
}

.contact-info-item i {
    color: var(--primary-color);
    margin-right: 10px;
    font-size: 18px;
    width: 20px;
}

/* 閸濆秴绨插蹇氼啎鐠?*/
@media (max-width: 768px) {
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .contact-form-title,
    .contact-info-title {
        font-size: 24px;
    }
}

@media (max-width: 480px) {
    .contact-section {
        padding: 60px 0;
    }
    
    .contact-form-title,
    .contact-info-title {
        font-size: 20px;
    }
    
    .form-input,
    .form-textarea {
        padding: 10px;
        font-size: 14px;
    }
}
/* 閹垛偓閺堫垱鏁幐渚€銆夐棃銏＄壉瀵?*/

/* 妞ょ敻娼伴弽鍥暯 */
.page-header {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    padding: 120px 0 60px;
    margin-top: 70px;
    text-align: center;
    color: var(--white);
}

.page-title {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 15px;
}

.page-subtitle {
    font-size: 20px;
    margin-bottom: 30px;
    opacity: 0.95;
}

.breadcrumb {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-size: 14px;
    opacity: 0.95;
    margin-top: 10px;
}

.breadcrumb a {
    color: var(--white);
    transition: var(--transition);
    position: relative;
}

.breadcrumb a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--white);
    transition: width 0.3s ease;
}

.breadcrumb a:hover::after {
    width: 100%;
}

.breadcrumb span {
    opacity: 0.7;
}

/* 閸濆秴绨插蹇氼啎鐠?*/
@media (max-width: 768px) {
    .page-header {
        padding: 120px 0 50px;
    }
    
    .page-title {
        font-size: 32px;
    }
    
    .page-subtitle {
        font-size: 15px;
    }
    
    .breadcrumb {
        font-size: 13px;
    }
}

@media (max-width: 480px) {
    .page-header {
        padding: 100px 0 40px;
    }
    
    .page-title {
        font-size: 26px;
    }
    
    .page-subtitle {
        font-size: 14px;
    }
    
    .breadcrumb {
        font-size: 12px;
    }
}

/* 閺堝秴濮熼柈銊ュ瀻 */
.support-services {
    padding: 80px 0;
    background: var(--white);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.service-card {
    text-align: center;
    padding: 40px 20px;
    background: var(--light-gray);
    border-radius: 10px;
    transition: var(--transition);
}

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

.service-icon {
    font-size: 50px;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.service-card h3 {
    font-size: 20px;
    margin-bottom: 15px;
}

.service-card p {
    color: var(--gray-color);
    font-size: 14px;
}

/* FAQ闁劌鍨?*/
.faq-section {
    padding: 80px 0;
    background: var(--light-gray);
}

.faq-container {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background: var(--white);
    padding: 25px;
    border-radius: 10px;
    margin-bottom: 20px;
    cursor: pointer;
    transition: var(--transition);
}

.faq-item:hover {
    box-shadow: var(--shadow-md);
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-question h3 {
    font-size: 18px;
    font-weight: 600;
}

.faq-question i {
    color: var(--primary-color);
    transition: var(--transition);
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    display: none;
    margin-top: 15px;
    color: var(--gray-color);
    line-height: 1.7;
}

.faq-item.active .faq-answer {
    display: block;
}

/* 閺傚洦銆傛稉瀣祰闁劌鍨?*/
.download-section {
    padding: 80px 0;
    background: var(--white);
}

.download-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
}

.download-card {
    background: var(--light-gray);
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    transition: var(--transition);
}

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

.download-icon {
    font-size: 50px;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.download-card h3 {
    font-size: 18px;
    margin-bottom: 10px;
}

.download-card p {
    color: var(--gray-color);
    font-size: 14px;
    margin-bottom: 20px;
}

/* 閸濆秴绨插?- 閺堝秴濮熺純鎴炵壐 */
@media (max-width: 768px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    .service-card {
        padding: 30px 15px;
    }
    
    .download-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .service-icon {
        font-size: 40px;
    }
}
/* 閺備即妞堢拠锔藉剰妞ゅ灚鐗卞?*/

/* 閺傚洨鐝锋径鎾劥 */
.article-header {
    padding: 80px 0 60px;
    background-color: var(--white);
}

.article-meta {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
    margin-bottom: 20px;
}

.article-category {
    display: inline-block;
    padding: 6px 15px;
    background-color: var(--primary-color);
    color: var(--white);
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
}

.article-date,
.article-views {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--gray-color);
    font-size: 14px;
}

.article-date i,
.article-views i {
    color: var(--primary-color);
}

.article-title {
    font-size: 42px;
    font-weight: 700;
    color: var(--dark-color);
    line-height: 1.3;
    margin-bottom: 20px;
}

.article-summary {
    font-size: 18px;
    line-height: 1.8;
    color: var(--gray-color);
    padding: 20px 0;
    border-bottom: 1px solid var(--light-gray);
}

/* 閺傚洨鐝锋稉璁崇秼 */
.article-body {
    padding: 60px 0;
    background-color: var(--light-gray);
}

.article-container {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 60px;
    align-items: flex-start;
}

.article-content {
    background-color: var(--white);
    padding: 50px;
    border-radius: 15px;
    box-shadow: var(--shadow);
}

.article-featured-image {
    width: 100%;
    aspect-ratio: 16/9;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 10px;
    margin-bottom: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.article-featured-image i {
    font-size: 80px;
    color: var(--white);
    opacity: 0.8;
}

/* 閺傚洨鐝烽崘鍛啇閺嶅嘲绱?*/
.article-content h2 {
    font-size: 28px;
    font-weight: 600;
    color: var(--dark-color);
    margin: 40px 0 20px;
    padding-bottom: 15px;
    border-bottom: 3px solid var(--primary-color);
}

.article-content h3 {
    font-size: 22px;
    font-weight: 600;
    color: var(--dark-color);
    margin: 30px 0 15px;
}

.article-content p {
    font-size: 16px;
    line-height: 1.8;
    color: var(--gray-color);
    margin-bottom: 20px;
}

.article-content ul,
.article-content ol {
    margin: 20px 0 20px 30px;
}

.article-content li {
    font-size: 16px;
    line-height: 1.8;
    color: var(--gray-color);
    margin-bottom: 10px;
}

.article-content blockquote {
    border-left: 4px solid var(--primary-color);
    padding: 20px 30px;
    margin: 30px 0;
    background-color: var(--light-gray);
    border-radius: 5px;
    font-style: italic;
}

.article-content img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    margin: 30px 0;
}

/* 閺傚洨鐝烽弽鍥╊劮 */
.article-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin: 40px 0;
    padding-top: 30px;
    border-top: 1px solid var(--light-gray);
}

.article-tags .tag {
    padding: 8px 16px;
    background-color: var(--light-gray);
    color: var(--dark-color);
    border-radius: 20px;
    font-size: 13px;
    transition: var(--transition);
}

.article-tags .tag:hover {
    background-color: var(--primary-color);
    color: var(--white);
}

/* 閸掑棔闊╅幐澶愭尦 */
.article-share {
    padding: 30px 0;
    border-top: 1px solid var(--light-gray);
}

.article-share h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--dark-color);
}

.share-buttons {
    display: flex;
    gap: 10px;
}

.share-btn {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    transition: var(--transition);
}

.share-btn:hover {
    transform: translateY(-3px);
}

.share-btn.weixin {
    background-color: #09bb07;
}

.share-btn.weibo {
    background-color: #e6162d;
}

.share-btn.qq {
    background-color: #12b7f5;
}

.share-btn.link {
    background-color: var(--dark-color);
}

/* 娓氀嗙珶閺?*/
.article-sidebar {
    position: sticky;
    top: 100px;
}

.sidebar-widget {
    background-color: var(--white);
    padding: 30px;
    border-radius: 10px;
    box-shadow: var(--shadow);
    margin-bottom: 30px;
}

.widget-title {
    font-size: 20px;
    font-weight: 600;
    color: var(--dark-color);
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--primary-color);
}

/* 閻╊喖缍嶇€佃壈鍩?*/
.toc-list {
    list-style: none;
    padding: 0;
}

.toc-list li {
    margin-bottom: 12px;
}

.toc-list a {
    color: var(--gray-color);
    font-size: 14px;
    line-height: 1.6;
    transition: var(--transition);
    display: block;
    padding: 8px 15px;
    border-radius: 5px;
}

.toc-list a:hover,
.toc-list a.active {
    background-color: var(--light-gray);
    color: var(--primary-color);
}

/* 閻╃鍙ч弬鍥╃彿 */
.related-articles-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.related-article-item {
    display: flex;
    gap: 15px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--light-gray);
    transition: var(--transition);
}

.related-article-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.related-article-item:hover {
    transform: translateX(5px);
}

.related-article-thumb {
    width: 80px;
    height: 80px;
    border-radius: 8px;
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.related-article-thumb i {
    font-size: 28px;
    color: var(--white);
    opacity: 0.8;
}

.related-article-info h5 {
    font-size: 14px;
    font-weight: 600;
    color: var(--dark-color);
    margin-bottom: 8px;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    line-clamp: 2;
    overflow: hidden;
}

.related-article-meta {
    font-size: 12px;
    color: var(--gray-color);
}

/* 閻戭參妫弽鍥╊劮 */
.popular-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.popular-tags .tag {
    padding: 8px 16px;
    background-color: var(--light-gray);
    color: var(--dark-color);
    border-radius: 20px;
    font-size: 13px;
    transition: var(--transition);
}

.popular-tags .tag:hover {
    background-color: var(--primary-color);
    color: var(--white);
}

/* 閸濆秴绨插蹇氼啎鐠?*/
@media (max-width: 1024px) {
    .article-container {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .article-sidebar {
        position: static;
    }
    
    .sidebar-widget {
        display: none;
    }
    
    .sidebar-widget:first-child {
        display: block;
    }
}

@media (max-width: 768px) {
    .article-header {
        padding: 60px 0 40px;
    }
    
    .article-title {
        font-size: 28px;
    }
    
    .article-summary {
        font-size: 16px;
    }
    
    .article-content {
        padding: 30px 20px;
    }
    
    .article-content h2 {
        font-size: 24px;
    }
    
    .article-content h3 {
        font-size: 20px;
    }
    
    .sidebar-widget {
        padding: 20px;
    }
}

@media (max-width: 480px) {
    .article-header {
        padding: 40px 0 30px;
    }
    
    .article-title {
        font-size: 24px;
    }
    
    .article-summary {
        font-size: 15px;
    }
    
    .article-content {
        padding: 25px 15px;
    }
    
    .article-content h2 {
        font-size: 22px;
        margin: 30px 0 15px;
    }
    
    .article-meta {
        gap: 15px;
    }
    
    .share-buttons {
        justify-content: center;
    }
}
/* 娴溠冩惂鐠囷附鍎忔い鍨壉瀵?*/

/* 妞ょ敻娼版径鎾劥閸滃矂娼伴崠鍛潐 */
.page-header {
    padding: 140px 0 80px;
    background: linear-gradient(135deg, #E31837 0%, #0066CC 100%);
    color: var(--white);
    text-align: center;
    position: relative;
    overflow: hidden;
    margin-top: 70px;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="rgba(255,255,255,0.1)" d="M0,96L48,112C96,128,192,160,288,160C384,160,480,128,576,122.7C672,117,768,139,864,144C960,149,1056,139,1152,128C1248,117,1344,107,1392,101.3L1440,96L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>') bottom center no-repeat;
    background-size: cover;
    opacity: 0.5;
}

.page-title {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 15px;
    position: relative;
}

.page-subtitle {
    font-size: 18px;
    opacity: 0.95;
}

.breadcrumb {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 14px;
    margin-top: 10px;
}

.breadcrumb a {
    color: var(--white);
    transition: var(--transition);
    position: relative;
}

.breadcrumb a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--white);
    transition: width 0.3s ease;
}

.breadcrumb a:hover::after {
    width: 100%;
}

.breadcrumb span {
    opacity: 0.7;
}

/* 娴溠冩惂娑撹娴橀崠鍝勭厵 */
.product-hero {
    padding: 80px 0;
    background-color: var(--white);
}

.product-main {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: flex-start;
}

.product-gallery {
    position: sticky;
    top: 100px;
}

.main-image {
    width: 100%;
    aspect-ratio: 1;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.main-image i {
    font-size: 120px;
    color: var(--white);
    opacity: 0.8;
}

.thumbnail-list {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 15px;
}

.thumbnail {
    aspect-ratio: 1;
    background: var(--light-gray);
    border-radius: 8px;
    cursor: pointer;
    border: 2px solid transparent;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.thumbnail:hover,
.thumbnail.active {
    border-color: var(--primary-color);
}

.thumbnail i {
    font-size: 24px;
    color: var(--gray-color);
}

/* 娴溠冩惂娣団剝浼?*/
.product-info {
    padding: 20px 0;
}

.product-badge {
    display: inline-block;
    background-color: var(--primary-color);
    color: var(--white);
    padding: 6px 15px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    margin-bottom: 15px;
}

.product-detail-title {
    font-size: 36px;
    font-weight: 700;
    color: var(--dark-color);
    margin-bottom: 10px;
    line-height: 1.3;
}

.product-model {
    font-size: 18px;
    color: var(--gray-color);
    margin-bottom: 25px;
}

/* 娴溠冩惂缁犫偓娴犲瀵樼憗鍛珤 */
.product-brief-wrapper {
    margin-bottom: 30px;
    padding: 25px 30px;
    background: linear-gradient(135deg, #f8f9fa 0%, #fff 100%);
    border-radius: 12px;
    border: 1px solid #eee;
    position: relative;
}

.product-brief-wrapper::before {
    content: '"';
    position: absolute;
    top: 10px;
    left: 15px;
    font-size: 60px;
    color: var(--primary-color);
    opacity: 0.15;
    font-family: Georgia, serif;
    line-height: 1;
}

.product-brief {
    font-size: 16px;
    line-height: 2;
    color: #444;
    margin: 0;
    padding: 0;
    background: none;
    border: none;
    position: relative;
    z-index: 1;
}

/* 韫囶偊鈧喕顫夐弽鐓庣潔缁€?*/
.product-quick-specs {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-bottom: 30px;
    padding: 25px;
    background: #f8f9fa;
    border-radius: 12px;
}

.spec-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 12px 16px;
    background: white;
    border-radius: 10px;
    transition: all 0.3s ease;
    border: 1px solid #eee;
}

.spec-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    border-color: var(--primary-color);
}

.spec-item i {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-color) 0%, #ff6b6b 100%);
    color: white;
    border-radius: 10px;
    font-size: 16px;
    flex-shrink: 0;
}

.spec-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.spec-label {
    font-size: 12px;
    color: #888;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.spec-value {
    font-size: 15px;
    font-weight: 600;
    color: #1a1a2e;
}

.highlight-list {
    display: grid;
    gap: 15px;
}

.highlight-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 15px;
    background-color: var(--light-gray);
    border-radius: 8px;
    transition: var(--transition);
}

.highlight-item:hover {
    background-color: #e8e8e8;
    transform: translateX(5px);
}

.highlight-item i {
    color: var(--primary-color);
    font-size: 20px;
    margin-top: 2px;
}

.highlight-content h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 5px;
    color: var(--dark-color);
}

.highlight-content p {
    font-size: 14px;
    color: var(--gray-color);
    line-height: 1.6;
}

/* 娴溠冩惂閻楀湱鍋ｉ弬鍥╃彿閸愬懎顔愰崠鍝勭厵 - 闁倿鍘ょ敮婵嗘禇CMS */
.highlight-content-area {
    padding: 25px;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-radius: 12px;
    line-height: 1.9;
    border-left: 4px solid var(--primary-color);
}

.highlight-content-area p {
    font-size: 15px;
    color: #555;
    margin-bottom: 16px;
    padding-left: 28px;
    position: relative;
}

.highlight-content-area p::before {
    content: '✓';
    position: absolute;
    left: 0;
    top: 0;
    color: var(--primary-color);
    font-weight: bold;
    font-size: 14px;
}

.highlight-content-area p:last-child {
    margin-bottom: 0;
}

/* CTA閹稿鎸抽崠?*/
.product-cta {
    display: flex;
    gap: 15px;
    margin-top: 30px;
    padding-top: 30px;
    border-top: 1px solid var(--light-gray);
}

.product-cta .btn {
    padding: 16px 40px;
    font-size: 16px;
}

/* 娴溠冩惂鐠囷妇绮忔穱鈩冧紖閸栧搫鐓?*/
.product-details-section {
    padding: 80px 0;
    background-color: var(--light-gray);
}

.detail-tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 40px;
    border-bottom: 2px solid #ddd;
    overflow-x: auto;
}

.tab-btn {
    padding: 15px 30px;
    background: none;
    border: none;
    font-size: 16px;
    font-weight: 500;
    color: var(--gray-color);
    cursor: pointer;
    transition: var(--transition);
    border-bottom: 3px solid transparent;
    white-space: nowrap;
}

.tab-btn:hover {
    color: var(--primary-color);
}

.tab-btn.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.tab-content {
    display: none;
    animation: fadeIn 0.3s ease;
}

.tab-content.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* 閹垛偓閺堫垵顫夐弽鑹般€?*/
.specs-table {
    background-color: var(--white);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.specs-table table {
    width: 100%;
    border-collapse: collapse;
}

.specs-table th,
.specs-table td {
    padding: 20px;
    text-align: left;
    border-bottom: 1px solid var(--light-gray);
}

.specs-table th {
    background-color: var(--light-gray);
    font-weight: 600;
    color: var(--dark-color);
    width: 35%;
}

.specs-table td {
    color: var(--gray-color);
}

.specs-table tr:last-child th,
.specs-table tr:last-child td {
    border-bottom: none;
}

/* 閹垛偓閺堫垵顫夐弽鍏兼瀮缁旂姴鍞寸€圭懓灏崺?- 闁倿鍘ょ敮婵嗘禇CMS */
.specs-content-area {
    padding: 0;
    line-height: 1.8;
}

.specs-content-area p {
    font-size: 15px;
    color: #555;
    margin: 0;
    padding: 16px 24px;
    border-bottom: 1px solid #eee;
    display: flex;
    align-items: center;
    transition: background-color 0.2s ease;
}

.specs-content-area p:nth-child(odd) {
    background-color: #fafafa;
}

.specs-content-area p:hover {
    background-color: #f0f4ff;
}

.specs-content-area p:last-child {
    border-bottom: none;
    border-radius: 0 0 10px 10px;
}

.specs-content-area p:first-child {
    border-radius: 10px 10px 0 0;
}

.specs-content-area p strong {
    color: var(--dark-color);
    font-weight: 600;
    min-width: 120px;
    flex-shrink: 0;
    position: relative;
    padding-right: 20px;
}

.specs-content-area p strong::after {
    content: '';
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 4px;
    background-color: var(--primary-color);
    border-radius: 50%;
}

/* 鎼存梻鏁ゆ０鍡楃厵 */
.applications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.application-card {
    background-color: var(--white);
    padding: 30px 20px;
    border-radius: 10px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

.application-card i {
    font-size: 40px;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.application-card h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--dark-color);
}

/* 閺傚洦銆傛稉瀣祰 */
.download-section {
    background-color: var(--white);
    padding: 40px;
    border-radius: 10px;
    box-shadow: var(--shadow);
}

.download-list {
    display: grid;
    gap: 15px;
    margin-top: 20px;
}

.download-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px;
    background-color: var(--light-gray);
    border-radius: 8px;
    transition: var(--transition);
}

.download-item:hover {
    background-color: #e8e8e8;
}

.download-info {
    display: flex;
    align-items: center;
    gap: 15px;
}

.download-info i {
    font-size: 32px;
    color: var(--primary-color);
}

.download-info h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 5px;
    color: var(--dark-color);
}

.download-info p {
    font-size: 13px;
    color: var(--gray-color);
}

.download-btn {
    padding: 10px 20px;
    background-color: var(--primary-color);
    color: var(--white);
    border-radius: 5px;
    font-size: 14px;
    transition: var(--transition);
    text-decoration: none;
}

.download-btn:hover {
    background-color: #c41230;
}

/* Tab閸愬懎顔愰弽鍥暯 */
.tab-content h3 {
    margin-bottom: 20px;
    font-size: 24px;
}

/* 閹垛偓閺堫垵顫夐弽鑹般€冮弽鍥暯 */
.specs-table h3 {
    margin-bottom: 0;
    font-size: 18px;
    padding: 18px 24px;
    background: linear-gradient(135deg, var(--primary-color) 0%, #c41230 100%);
    color: white;
    border-radius: 10px 10px 0 0;
}

.tab-content h3.center-title {
    margin-bottom: 30px;
    text-align: center;
}

/* 娑撳娴囬柈銊ュ瀻閺嶅嘲绱?*/
.download-section p {
    color: var(--gray-color);
    margin-bottom: 30px;
}

.download-section h3 {
    margin-bottom: 10px;
}

/* 閻╃鍙ф禍褍鎼?*/
.related-products {
    padding: 80px 0;
    background-color: #f8f9fa;
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 40px;
}

/* 閻╃鍙ф禍褍鎼ч崡锛勫 */
.related-product-card {
    background: white;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
}

.related-product-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

.related-product-image {
    position: relative;
    height: 200px;
    overflow: hidden;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

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

.related-product-card:hover .related-product-image img {
    transform: scale(1.08);
}

.product-tag {
    position: absolute;
    top: 15px;
    left: 15px;
    background: linear-gradient(135deg, var(--primary-color) 0%, #ff6b6b 100%);
    color: white;
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.product-tag.new {
    background: linear-gradient(135deg, #00b894 0%, #00cec9 100%);
}

.related-product-info {
    padding: 24px;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.related-product-name {
    font-size: 20px;
    font-weight: 700;
    color: #1a1a2e;
    margin-bottom: 8px;
    line-height: 1.3;
}

.related-product-spec {
    font-size: 13px;
    color: #888;
    margin-bottom: 16px;
    padding-bottom: 16px;
    border-bottom: 1px dashed #eee;
}

.related-product-features {
    list-style: none;
    padding: 0;
    margin: 0 0 20px 0;
    flex: 1;
}

.related-product-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    color: #555;
    margin-bottom: 10px;
    line-height: 1.5;
}

.related-product-features li:last-child {
    margin-bottom: 0;
}

.related-product-features li i {
    color: #00b894;
    font-size: 14px;
    flex-shrink: 0;
}

.related-product-actions {
    margin-top: auto;
}

.btn-inquire {
    display: block;
    width: 100%;
    padding: 14px 20px;
    background: linear-gradient(135deg, var(--primary-color) 0%, #c41230 100%);
    color: white;
    text-align: center;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
}

.btn-inquire:hover {
    background: linear-gradient(135deg, #c41230 0%, var(--primary-color) 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(227, 24, 55, 0.35);
}

@media (max-width: 1024px) {
    .related-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .related-grid {
        grid-template-columns: 1fr;
    }
    
    .related-product-image {
        height: 180px;
    }
}

/* 閸濆秴绨插蹇氼啎鐠?*/
@media (max-width: 1024px) {
    .product-main {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .product-gallery {
        position: static;
    }
}

@media (max-width: 768px) {
    .page-header {
        padding: 120px 0 50px;
    }
    
    .page-title {
        font-size: 32px;
    }
    
    .page-subtitle {
        font-size: 16px;
    }
    
    .breadcrumb {
        font-size: 13px;
    }
    
    .product-hero {
        padding: 60px 0;
    }
    
    .product-detail-title {
        font-size: 28px;
    }
    
    .product-model {
        font-size: 16px;
    }
    
    .product-cta {
        flex-direction: column;
    }
    
    .tab-btn {
        padding: 12px 20px;
        font-size: 14px;
    }
    
    .specs-table th,
    .specs-table td {
        padding: 15px;
        font-size: 14px;
    }
    
    .specs-content-area p {
        flex-direction: column;
        align-items: flex-start;
        gap: 6px;
    }
    
    .specs-content-area p strong {
        min-width: auto;
    }
    
    .highlight-content-area {
        padding: 20px;
    }
    
    .product-brief-wrapper {
        padding: 20px;
    }
    
    .product-quick-specs {
        grid-template-columns: 1fr;
        padding: 20px;
    }
    
    .applications-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .related-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .page-header {
        padding: 100px 0 40px;
    }
    
    .page-title {
        font-size: 26px;
    }
    
    .page-subtitle {
        font-size: 14px;
    }
    
    .breadcrumb {
        font-size: 12px;
    }
    
    .page-subtitle {
        font-size: 14px;
    }
    
    .breadcrumb {
        font-size: 12px;
    }
    
    .product-hero {
        padding: 40px 0;
    }
    
    .product-detail-title {
        font-size: 24px;
    }
    
    .main-image i {
        font-size: 80px;
    }
    
    .thumbnail-list {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .specs-table th {
        width: 40%;
    }
    
    .applications-grid {
        grid-template-columns: 1fr;
    }
    
    .download-item {
        flex-direction: column;
        text-align: center;
        gap: 15px;
    }
}

/* ========================================
   通用页面样式
======================================== */

/* 通用内容区域 */
.section-padding {
    padding: 80px 0;
}

.section-header-center {
    text-align: center;
    margin-bottom: 50px;
}

.section-header-center .title-divider {
    margin: 15px auto;
}

.text-gray {
    color: #666;
    line-height: 1.8;
}

.text-gray-light {
    color: var(--gray-color);
    line-height: 1.6;
}

.mb-20 {
    margin-bottom: 20px;
}

.mt-15 {
    margin-top: 15px;
}

.mt-40 {
    margin-top: 40px;
}

.mt-60 {
    margin-top: 60px;
}

.bg-light {
    background: #f8f9fa;
}

/* 图片样式 */
.img-responsive {
    width: 100%;
    height: auto;
}

.img-rounded {
    border-radius: 10px;
}

.img-cover {
    width: 100%;
    height: 250px;
    object-fit: cover;
}

.img-cover-200 {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

/* ========================================
   关于我们页面样式
======================================== */

/* 公司简介区域 */
.about-intro {
    padding: 80px 0;
}

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

.about-intro .intro-image img {
    width: 100%;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

/* 时间轴样式 */
.timeline-section {
    padding: 80px 0;
}

.timeline {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
    padding: 20px 0;
}

.timeline-line {
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(to bottom, var(--primary-color), var(--secondary-color));
    transform: translateX(-50%);
}

.timeline-item {
    position: relative;
    margin-bottom: 50px;
}

.timeline-item.left {
    display: flex;
    justify-content: flex-end;
    padding-right: 50%;
}

.timeline-item.right {
    display: flex;
    justify-content: flex-start;
    padding-left: 50%;
}

.timeline-dot {
    position: absolute;
    left: 50%;
    top: 20px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    transform: translateX(-50%);
    border: 4px solid white;
    z-index: 1;
}

.timeline-dot.primary {
    background: var(--primary-color);
    box-shadow: 0 0 0 4px var(--primary-color);
}

.timeline-dot.secondary {
    background: var(--secondary-color);
    box-shadow: 0 0 0 4px var(--secondary-color);
}

.timeline-card {
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.1);
    max-width: 380px;
    position: relative;
    transition: transform 0.3s;
}

.timeline-item.left .timeline-card {
    margin-right: 40px;
}

.timeline-item.right .timeline-card {
    margin-left: 40px;
}

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

.timeline-arrow {
    position: absolute;
    top: 25px;
    width: 0;
    height: 0;
    border-top: 10px solid transparent;
    border-bottom: 10px solid transparent;
}

.timeline-item.left .timeline-arrow {
    right: -10px;
    border-left: 10px solid white;
}

.timeline-item.right .timeline-arrow {
    left: -10px;
    border-right: 10px solid white;
}

.timeline-year {
    display: inline-block;
    padding: 8px 20px;
    border-radius: 20px;
    font-weight: bold;
    font-size: 18px;
    margin-bottom: 15px;
    color: white;
}

.timeline-year.primary {
    background: linear-gradient(135deg, var(--primary-color), #ff4757);
}

.timeline-year.secondary {
    background: linear-gradient(135deg, var(--secondary-color), #0984e3);
}

.timeline-card h4 {
    margin: 15px 0 10px;
    color: #333;
    font-size: 20px;
}

.timeline-card p {
    color: #666;
    line-height: 1.7;
    margin: 0;
}

/* 合作伙伴区域 */
.partners-section {
    background: #f8f9fa;
    padding: 80px 0;
}

.partners-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.partner-item {
    background: white;
    padding: 40px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    transition: transform 0.3s, box-shadow 0.3s;
}

.partner-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.partner-item img {
    max-width: 100%;
    height: auto;
}

/* ========================================
   新闻资讯页面样式
======================================== */

.news-section {
    padding: 80px 0;
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.news-card {
    background: #fff;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: transform 0.3s, box-shadow 0.3s;
}

.news-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.15);
}

.news-card .news-image img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.news-card .news-content {
    padding: 25px;
}

.news-card .news-date {
    color: var(--gray-color);
    font-size: 14px;
}

.news-card .news-content h3 {
    margin: 10px 0;
    font-size: 20px;
}

.news-card .news-content p {
    color: var(--gray-color);
    line-height: 1.6;
    margin-bottom: 15px;
}

/* 新闻详情页样式 */
.news-detail-section {
    background: #f8f9fa;
}

.news-detail-wrapper {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 40px;
}

.news-detail-content {
    background: white;
    border-radius: 10px;
    padding: 40px;
    box-shadow: var(--shadow);
}

.news-detail-header {
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid #eee;
}

.news-detail-title {
    font-size: 28px;
    font-weight: 700;
    color: var(--dark-color);
    margin-bottom: 15px;
    line-height: 1.4;
}

.news-meta {
    display: flex;
    gap: 25px;
    color: var(--gray-color);
    font-size: 14px;
}

.news-meta span i {
    margin-right: 6px;
    color: var(--primary-color);
}

.news-detail-image {
    margin-bottom: 30px;
}

.news-detail-image img {
    width: 100%;
    border-radius: 10px;
}

.news-detail-body {
    line-height: 1.9;
    color: #444;
}

.news-detail-body p {
    margin-bottom: 20px;
}

.news-detail-body h3 {
    font-size: 22px;
    color: var(--dark-color);
    margin: 35px 0 15px;
    padding-left: 15px;
    border-left: 4px solid var(--primary-color);
}

.news-detail-body ul {
    margin: 20px 0;
    padding-left: 20px;
}

.news-detail-body ul li {
    margin-bottom: 12px;
    line-height: 1.8;
}

.news-detail-body blockquote {
    background: #f8f9fa;
    border-left: 4px solid var(--primary-color);
    padding: 25px 30px;
    margin: 30px 0;
    font-style: italic;
    color: #555;
}

.news-detail-body blockquote cite {
    display: block;
    margin-top: 15px;
    font-style: normal;
    color: var(--primary-color);
    font-weight: 500;
}

.news-image-gallery {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin: 30px 0;
}

.news-image-gallery img {
    width: 100%;
    border-radius: 8px;
}

.news-detail-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 25px 0;
    margin-top: 30px;
    border-top: 1px solid #eee;
}

.news-tags {
    display: flex;
    align-items: center;
    gap: 10px;
}

.tag-label,
.share-label {
    color: var(--gray-color);
}

.news-tag {
    background: #f0f0f0;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 13px;
    color: #666;
    transition: var(--transition);
}

.news-tag:hover {
    background: var(--primary-color);
    color: white;
}

.news-share {
    display: flex;
    align-items: center;
    gap: 10px;
}

.share-btn {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: #f0f0f0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #666;
    transition: var(--transition);
}

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

.news-nav {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-top: 30px;
    padding-top: 30px;
    border-top: 1px solid #eee;
}

.news-nav-item {
    padding: 20px;
    background: #f8f9fa;
    border-radius: 8px;
    transition: var(--transition);
}

.news-nav-item:hover {
    background: var(--primary-color);
    color: white;
}

.news-nav-item:hover .nav-label,
.news-nav-item:hover .nav-title {
    color: white;
}

.news-nav-item.next {
    text-align: right;
}

.nav-label {
    font-size: 13px;
    color: var(--gray-color);
    display: block;
    margin-bottom: 8px;
}

.nav-title {
    font-size: 15px;
    color: var(--dark-color);
    font-weight: 500;
}

/* 新闻侧边栏 */
.news-sidebar {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.sidebar-widget {
    background: white;
    border-radius: 10px;
    padding: 25px;
    box-shadow: var(--shadow);
}

.widget-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--dark-color);
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--primary-color);
}

.related-news-list {
    list-style: none;
}

.related-news-list li {
    padding: 12px 0;
    border-bottom: 1px solid #eee;
}

.related-news-list li:last-child {
    border-bottom: none;
}

.related-news-list a {
    display: block;
}

.related-title {
    display: block;
    color: var(--dark-color);
    font-size: 14px;
    margin-bottom: 5px;
    transition: var(--transition);
}

.related-news-list a:hover .related-title {
    color: var(--primary-color);
}

.related-date {
    font-size: 12px;
    color: var(--gray-color);
}

.sidebar-contact p {
    margin-bottom: 12px;
    color: #666;
}

.sidebar-contact p i {
    color: var(--primary-color);
    margin-right: 10px;
    width: 16px;
}

.sidebar-contact .btn {
    margin-top: 15px;
}

/* ========================================
   产品详情页样式
======================================== */

.product-detail-section {
    background: #f8f9fa;
}

.product-detail-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    margin-bottom: 60px;
}

/* 产品图片区域 */
.product-gallery {
    background: white;
    border-radius: 10px;
    padding: 30px;
    box-shadow: var(--shadow);
}

.main-image {
    margin-bottom: 20px;
    border-radius: 8px;
    overflow: hidden;
}

.main-image img {
    width: 100%;
    height: auto;
}

.thumbnail-list {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 15px;
}

.thumbnail {
    border: 2px solid #eee;
    border-radius: 8px;
    overflow: hidden;
    cursor: pointer;
    transition: var(--transition);
}

.thumbnail:hover,
.thumbnail.active {
    border-color: var(--primary-color);
}

.thumbnail img {
    width: 100%;
    height: auto;
}

/* 产品信息区域 */
.product-info {
    background: white;
    border-radius: 10px;
    padding: 40px;
    box-shadow: var(--shadow);
}

.product-detail-title {
    font-size: 28px;
    font-weight: 700;
    color: var(--dark-color);
    margin: 10px 0;
}

.product-subtitle {
    color: var(--gray-color);
    font-size: 16px;
    margin-bottom: 25px;
}

.product-highlights {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 25px;
    padding-bottom: 25px;
    border-bottom: 1px solid #eee;
}

.highlight-item {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #333;
    font-size: 14px;
}

.highlight-item i {
    color: var(--primary-color);
}

.product-specs-quick {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    margin-bottom: 25px;
}

.spec-item {
    background: #f8f9fa;
    padding: 12px 15px;
    border-radius: 8px;
}

.spec-label {
    display: block;
    font-size: 12px;
    color: var(--gray-color);
    margin-bottom: 5px;
}

.spec-value {
    font-weight: 600;
    color: var(--dark-color);
}

.product-description {
    margin-bottom: 25px;
}

.product-description p {
    color: #666;
    line-height: 1.8;
}

.product-actions {
    display: flex;
    gap: 15px;
    margin-bottom: 25px;
}

.product-actions .btn {
    flex: 1;
}

.btn-lg {
    padding: 15px 30px;
    font-size: 16px;
}

.product-service {
    display: flex;
    justify-content: space-around;
    padding-top: 20px;
    border-top: 1px solid #eee;
}

.service-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--gray-color);
    font-size: 13px;
}

.service-item i {
    font-size: 24px;
    color: var(--primary-color);
}

/* 产品标签页 */
.product-tabs {
    background: white;
    border-radius: 10px;
    box-shadow: var(--shadow);
    margin-bottom: 60px;
}

.tab-nav {
    display: flex;
    border-bottom: 1px solid #eee;
}

.tab-btn {
    flex: 1;
    padding: 20px;
    background: none;
    border: none;
    font-size: 16px;
    font-weight: 500;
    color: var(--gray-color);
    cursor: pointer;
    transition: var(--transition);
    position: relative;
}

.tab-btn:hover {
    color: var(--primary-color);
}

.tab-btn.active {
    color: var(--primary-color);
}

.tab-btn.active::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--primary-color);
}

.tab-content {
    padding: 40px;
}

.tab-pane {
    display: none;
}

.tab-pane.active {
    display: block;
}

.tab-pane h3 {
    font-size: 22px;
    color: var(--dark-color);
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--primary-color);
    display: inline-block;
}

/* 技术参数表格 */
.specs-table {
    width: 100%;
    border-collapse: collapse;
}

.specs-table tr {
    border-bottom: 1px solid #eee;
}

.specs-table th,
.specs-table td {
    padding: 15px 20px;
    text-align: left;
}

.specs-table th {
    width: 30%;
    background: #f8f9fa;
    font-weight: 500;
    color: #333;
}

.specs-table td {
    color: #666;
}

/* 产品特性网格 */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}

.feature-card {
    text-align: center;
    padding: 30px 20px;
    background: #f8f9fa;
    border-radius: 10px;
    transition: var(--transition);
}

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

.feature-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 15px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-icon i {
    font-size: 24px;
    color: white;
}

.feature-card h4 {
    font-size: 18px;
    color: var(--dark-color);
    margin-bottom: 10px;
}

.feature-card p {
    font-size: 14px;
    color: var(--gray-color);
    line-height: 1.6;
}

/* 应用领域列表 */
.applications-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 25px;
}

.application-item {
    display: flex;
    gap: 20px;
    background: #f8f9fa;
    border-radius: 10px;
    overflow: hidden;
}

.application-item img {
    width: 150px;
    height: 120px;
    object-fit: cover;
}

.application-content {
    padding: 20px 20px 20px 0;
}

.application-content h4 {
    font-size: 18px;
    color: var(--dark-color);
    margin-bottom: 10px;
}

.application-content p {
    font-size: 14px;
    color: var(--gray-color);
    line-height: 1.6;
}

/* 下载列表 */
.downloads-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.download-item {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 20px;
    background: #f8f9fa;
    border-radius: 10px;
}

.download-icon {
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.download-icon i {
    font-size: 24px;
    color: white;
}

.download-info {
    flex: 1;
}

.download-info h4 {
    font-size: 16px;
    color: var(--dark-color);
    margin-bottom: 5px;
}

.download-info p {
    font-size: 13px;
    color: var(--gray-color);
}

/* 相关产品 */
.related-products {
    margin-top: 40px;
}

.related-products .products-grid {
    margin-top: 30px;
}

/* 响应式 - 产品详情 */
@media (max-width: 992px) {
    .product-detail-wrapper {
        grid-template-columns: 1fr;
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .applications-list {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .product-info {
        padding: 25px;
    }
    
    .product-detail-title {
        font-size: 22px;
    }
    
    .product-specs-quick {
        grid-template-columns: 1fr;
    }
    
    .product-actions {
        flex-direction: column;
    }
    
    .tab-nav {
        flex-wrap: wrap;
    }
    
    .tab-btn {
        flex: 1 1 50%;
        padding: 15px;
        font-size: 14px;
    }
    
    .tab-content {
        padding: 25px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .application-item {
        flex-direction: column;
    }
    
    .application-item img {
        width: 100%;
        height: 150px;
    }
    
    .application-content {
        padding: 20px;
    }
    
    .download-item {
        flex-direction: column;
        text-align: center;
    }
}

/* ========================================
   全局移动端优化
======================================== */

/* 平板端优化 */
@media (max-width: 992px) {
    .container {
        padding: 0 20px;
    }
    
    /* 页面头部 */
    .page-header {
        padding: 60px 0 40px;
    }
    
    .page-title {
        font-size: 28px;
    }
    
    /* 首页公司简介 */
    .intro-wrapper {
        grid-template-columns: 1fr !important;
        gap: 30px;
    }
    
    .intro-image {
        order: -1;
    }
    
    /* 产品分类 */
    .category-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    /* 案例网格 */
    .cases-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    /* 页脚 */
    .footer-content {
        grid-template-columns: 1fr 1fr;
        gap: 30px;
    }
}

/* 手机端优化 */
@media (max-width: 768px) {
    /* 基础样式 */
    body {
        font-size: 14px;
    }
    
    .container {
        padding: 0 15px;
    }
    
    /* 导航栏 */
    .navbar {
        padding: 12px 0;
    }
    
    .logo-text {
        font-size: 22px;
    }
    
    .logo-sub {
        font-size: 10px;
    }
    
    /* 页面头部 */
    .page-header {
        padding: 50px 0 30px;
        margin-top: 60px;
    }
    
    .page-title {
        font-size: 24px;
    }
    
    .page-subtitle {
        font-size: 14px;
    }
    
    .breadcrumb {
        font-size: 12px;
    }
    
    /* 通用区块 */
    .section-padding {
        padding: 50px 0;
    }
    
    .section-title {
        font-size: 22px;
    }
    
    .section-subtitle {
        font-size: 14px;
        margin-bottom: 30px;
    }
    
    .section-header {
        margin-bottom: 30px;
    }
    
    .section-header-center {
        margin-bottom: 30px;
    }
    
    /* 产品分类 */
    .category-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .category-card {
        padding: 20px;
    }
    
    /* 产品网格 */
    .products-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .product-card {
        margin: 0;
    }
    
    .product-footer {
        flex-direction: column;
        gap: 10px;
    }
    
    .product-footer .btn {
        width: 100%;
        text-align: center;
    }
    
    /* 案例网格 */
    .cases-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .case-image img {
        height: 200px;
    }
    
    /* 优势网格 */
    .advantages-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .advantage-card {
        padding: 25px 20px;
    }
    
    /* CTA区域 */
    .cta-wrapper {
        padding: 30px 20px;
    }
    
    .cta-title {
        font-size: 20px;
    }
    
    .cta-text {
        font-size: 14px;
        margin-bottom: 25px;
    }
    
    .cta-buttons {
        flex-direction: column;
        gap: 12px;
    }
    
    .cta-buttons .btn {
        width: 100%;
    }
    
    /* 页脚 */
    .footer {
        padding: 40px 0 20px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 25px;
        text-align: center;
    }
    
    .footer-column {
        text-align: center;
    }
    
    .footer-links,
    .footer-contact {
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    
    .footer-contact li {
        justify-content: center;
    }
    
    .social-links {
        justify-content: center;
    }
    
    /* 时间轴移动端 */
    .timeline {
        padding-left: 30px;
    }
    
    .timeline-line {
        left: 0;
    }
    
    .timeline-item.left,
    .timeline-item.right {
        padding-left: 0;
        padding-right: 0;
        justify-content: flex-start;
    }
    
    .timeline-dot {
        left: 0;
    }
    
    .timeline-item.left .timeline-card,
    .timeline-item.right .timeline-card {
        margin-left: 20px;
        margin-right: 0;
        max-width: 100%;
    }
    
    .timeline-item.left .timeline-arrow,
    .timeline-item.right .timeline-arrow {
        left: -10px;
        right: auto;
        border-left: none;
        border-right: 10px solid white;
    }
    
    .timeline-card {
        padding: 20px;
    }
    
    .timeline-year {
        font-size: 16px;
        padding: 6px 15px;
    }
    
    .timeline-card h4 {
        font-size: 16px;
    }
    
    /* 合作伙伴 */
    .partners-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
    
    .partner-item {
        padding: 20px;
    }
    
    /* 按钮 */
    .btn {
        padding: 12px 20px;
        font-size: 14px;
    }
    
    .btn-lg {
        padding: 14px 25px;
    }
}

/* 小屏手机优化 */
@media (max-width: 480px) {
    .page-header {
        padding: 40px 0 25px;
    }
    
    .page-title {
        font-size: 20px;
    }
    
    .section-title {
        font-size: 20px;
    }
    
    /* 轮播图 */
    .hero-slider {
        height: 400px;
    }
    
    .slide-title {
        font-size: 22px;
    }
    
    .slide-subtitle {
        font-size: 13px;
    }
    
    /* 合作伙伴 */
    .partners-grid {
        grid-template-columns: 1fr;
    }
    
    /* 时间轴 */
    .timeline-card {
        padding: 15px;
    }
    
    .timeline-year {
        font-size: 14px;
    }
    
    .timeline-card h4 {
        font-size: 15px;
    }
    
    .timeline-card p {
        font-size: 13px;
    }
}

/* 联系页面移动端优化 */
@media (max-width: 768px) {
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .contact-info,
    .contact-form {
        padding: 25px;
    }
    
    .contact-info h2,
    .contact-form h2 {
        font-size: 22px;
        margin-bottom: 20px;
    }
    
    .info-item {
        gap: 15px;
        margin-bottom: 20px;
    }
    
    .info-icon {
        width: 45px;
        height: 45px;
    }
    
    .info-icon i {
        font-size: 18px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .form-group {
        margin-bottom: 15px;
    }
    
    .form-group input,
    .form-group textarea,
    .form-group select {
        padding: 12px;
        font-size: 14px;
    }
}

/* 新闻卡片移动端优化 */
@media (max-width: 768px) {
    .news-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .news-card .news-image img {
        height: 180px;
    }
    
    .news-card .news-content {
        padding: 20px;
    }
    
    .news-card .news-content h3 {
        font-size: 18px;
    }
}

/* FAQ移动端优化 */
@media (max-width: 768px) {
    .faq-container {
        margin: 30px auto;
    }
    
    .faq-item {
        padding: 20px;
        margin-bottom: 15px;
    }
    
    .faq-item h4 {
        font-size: 15px;
    }
    
    .faq-item p {
        font-size: 14px;
    }
}

/* ========================================
   产品页面侧边栏布局
======================================== */
.products-page {
    padding: 50px 0;
    background: #f8f9fa;
}

.products-layout {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 30px;
    align-items: start;
}

/* 侧边栏 */
.products-sidebar {
    position: sticky;
    top: 90px;
}

.sidebar-section {
    background: white;
    border-radius: 12px;
    padding: 25px;
    margin-bottom: 20px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
}

.sidebar-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--dark-color);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
    padding-bottom: 15px;
    border-bottom: 2px solid #f0f0f0;
}

.sidebar-title i {
    color: var(--primary-color);
    font-size: 18px;
}

/* 分类列表 */
.category-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.category-list li {
    margin-bottom: 5px;
}

.category-link {
    display: block;
    padding: 12px 15px;
    border-radius: 8px;
    text-decoration: none;
    color: var(--dark-color);
    transition: all 0.3s ease;
    font-size: 14px;
    font-weight: 500;
}

.category-link:hover {
    background: rgba(227, 24, 55, 0.05);
    color: var(--primary-color);
    padding-left: 20px;
}

.category-link.active {
    background: linear-gradient(135deg, var(--primary-color) 0%, #c41230 100%);
    color: white;
}

/* 热门产品 */
.hot-products {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.hot-product-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px;
    border-radius: 8px;
    text-decoration: none;
    transition: all 0.3s ease;
    border: 1px solid #f0f0f0;
}

.hot-product-item:hover {
    background: #f8f9fa;
    border-color: var(--primary-color);
}

.hot-product-item img {
    width: 60px;
    height: 60px;
    border-radius: 8px;
    object-fit: cover;
}

.hot-product-info h4 {
    font-size: 13px;
    font-weight: 600;
    color: var(--dark-color);
    margin-bottom: 4px;
}

.hot-product-info p {
    font-size: 12px;
    color: var(--gray-color);
    margin: 0;
}

/* 侧边栏联系 */
.sidebar-contact {
    background: linear-gradient(135deg, #f8f9fa 0%, #fff 100%);
    border: 2px solid #e8e8e8;
}

.sidebar-contact p {
    font-size: 13px;
    color: var(--gray-color);
    margin-bottom: 15px;
    line-height: 1.6;
}

.sidebar-contact-info {
    margin-bottom: 15px;
}

.sidebar-contact-info p {
    margin-bottom: 8px;
    font-size: 14px;
    color: var(--dark-color);
    font-weight: 500;
}

.sidebar-contact-info i {
    color: var(--primary-color);
    margin-right: 8px;
    width: 16px;
}

.btn-block {
    display: block;
    width: 100%;
    text-align: center;
}

/* 产品主区域 */
.products-main {
    min-width: 0;
}

/* 工具栏 */
.products-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: white;
    padding: 15px 20px;
    border-radius: 12px;
    margin-bottom: 20px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
}

.products-count {
    font-size: 14px;
    color: var(--gray-color);
}

.products-count strong {
    color: var(--primary-color);
    font-weight: 700;
}

.toolbar-actions {
    display: flex;
    align-items: center;
    gap: 15px;
}

.view-toggle {
    display: flex;
    background: #f0f0f0;
    border-radius: 8px;
    padding: 3px;
}

.view-btn {
    width: 36px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    background: transparent;
    color: var(--gray-color);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.view-btn:hover {
    color: var(--primary-color);
}

.view-btn.active {
    background: white;
    color: var(--primary-color);
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
}

.sort-select {
    padding: 8px 35px 8px 15px;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    font-size: 14px;
    color: var(--dark-color);
    background: white url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23666' d='M6 8L1 3h10z'/%3E%3C/svg%3E") no-repeat right 12px center;
    appearance: none;
    cursor: pointer;
}

.sort-select:focus {
    outline: none;
    border-color: var(--primary-color);
}

/* 产品网格 - 侧边栏布局下 */
.products-layout .products-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

/* 产品卡片 - 侧边栏布局 */
.products-layout .product-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
    transition: all 0.3s ease;
    position: relative;
}

.products-layout .product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12);
}

.products-layout .product-card .product-badge {
    position: absolute;
    top: 15px;
    left: 15px;
    background: var(--primary-color);
    color: white;
    padding: 4px 12px;
    border-radius: 15px;
    font-size: 12px;
    font-weight: 600;
    z-index: 1;
}

.products-layout .product-card .product-image {
    height: 180px;
    overflow: hidden;
}

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

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

.products-layout .product-card .product-content {
    padding: 20px;
}

.products-layout .product-card .product-title {
    font-size: 15px;
    font-weight: 700;
    color: var(--dark-color);
    margin-bottom: 10px;
    line-height: 1.4;
}

.products-layout .product-card .product-desc {
    font-size: 13px;
    color: var(--gray-color);
    line-height: 1.6;
    margin-bottom: 15px;
}

.products-layout .product-card .product-footer {
    display: flex;
    gap: 10px;
}

.products-layout .product-card .product-footer .btn {
    flex: 1;
    padding: 8px 12px;
    font-size: 12px;
    text-align: center;
}

/* 列表视图 */
.products-grid.list-view {
    grid-template-columns: 1fr;
}

.products-grid.list-view .product-card {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 20px;
}

.products-grid.list-view .product-image {
    height: 160px;
}

.products-grid.list-view .product-content {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.products-grid.list-view .product-footer {
    margin-top: auto;
}

/* 响应式 - 产品页面侧边栏 */
@media (max-width: 992px) {
    .products-layout {
        grid-template-columns: 1fr;
    }
    
    .products-sidebar {
        position: static;
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    .sidebar-section:last-child {
        grid-column: span 2;
    }
    
    .products-layout .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .products-page {
        padding: 30px 0;
    }
    
    .products-sidebar {
        grid-template-columns: 1fr;
    }
    
    .sidebar-section:last-child {
        grid-column: span 1;
    }
    
    .sidebar-section {
        padding: 20px;
    }
    
    .products-layout .products-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .products-toolbar {
        flex-direction: column;
        gap: 15px;
        align-items: stretch;
    }
    
    .toolbar-actions {
        justify-content: space-between;
    }
    
    .products-layout .product-card {
        padding: 20px;
    }
    
    .products-layout .product-card .product-title {
        font-size: 15px;
        padding-right: 50px;
    }
    
    .products-layout .product-card .product-footer {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .category-link {
        padding: 10px 12px;
        font-size: 13px;
    }
    
    .products-layout .product-card {
        padding: 15px;
    }
}

/* 响应式 - 新闻详情 */
@media (max-width: 992px) {
    .news-detail-wrapper {
        grid-template-columns: 1fr;
    }
    
    .news-sidebar {
        flex-direction: row;
        flex-wrap: wrap;
    }
    
    .sidebar-widget {
        flex: 1;
        min-width: 280px;
    }
}

@media (max-width: 768px) {
    .news-detail-content {
        padding: 25px;
    }
    
    .news-detail-title {
        font-size: 22px;
    }
    
    .news-meta {
        flex-wrap: wrap;
        gap: 15px;
    }
    
    .news-image-gallery {
        grid-template-columns: 1fr;
    }
    
    .news-detail-footer {
        flex-direction: column;
        gap: 20px;
        align-items: flex-start;
    }
    
    .news-nav {
        grid-template-columns: 1fr;
    }
    
    .news-nav-item.next {
        text-align: left;
    }
}

/* ========================================
   应用案例页面样式
======================================== */

.cases-section {
    padding: 80px 0;
}

.case-tag {
    display: inline-block;
    background: var(--light-gray);
    padding: 5px 12px;
    border-radius: 15px;
    font-size: 13px;
    margin-right: 8px;
    margin-top: 8px;
}

.case-tags {
    margin-top: 15px;
}

/* ========================================
   技术支持页面样式
======================================== */

.support-section {
    padding: 80px 0;
}

.faq-container {
    max-width: 800px;
    margin: 40px auto;
}

.faq-item {
    background: #fff;
    border-radius: 10px;
    padding: 25px;
    margin-bottom: 20px;
    box-shadow: var(--shadow);
}

.faq-item h4 {
    color: var(--primary-color);
    margin-bottom: 10px;
}

.faq-item h4 i {
    margin-right: 10px;
}

.faq-item p {
    color: var(--gray-color);
    line-height: 1.8;
}

/* ========================================
   联系我们页面样式
======================================== */

.contact-section {
    padding: 80px 0;
    background: var(--light-gray);
}

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

.contact-info {
    background: var(--white);
    padding: 40px;
    border-radius: 10px;
    box-shadow: var(--shadow);
}

.contact-info h2 {
    font-size: 28px;
    margin-bottom: 30px;
    color: var(--dark-color);
}

.info-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    margin-bottom: 30px;
}

.info-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.info-icon i {
    color: white;
    font-size: 20px;
}

.info-content h3 {
    font-size: 18px;
    margin-bottom: 8px;
    color: var(--dark-color);
}

.info-content p {
    color: var(--gray-color);
    line-height: 1.6;
}

.contact-form {
    background: var(--white);
    padding: 40px;
    border-radius: 10px;
    box-shadow: var(--shadow);
}

.contact-form h2 {
    font-size: 28px;
    margin-bottom: 30px;
    color: var(--dark-color);
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--dark-color);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid var(--light-gray);
    border-radius: 5px;
    font-size: 16px;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.btn-full {
    width: 100%;
}

/* 响应式 - 关于我们 */
@media (max-width: 992px) {
    .about-intro .intro-wrapper {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .partners-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .timeline-item.left,
    .timeline-item.right {
        padding-left: 40px;
        padding-right: 0;
        justify-content: flex-start;
    }
    
    .timeline-line {
        left: 10px;
    }
    
    .timeline-dot {
        left: 10px;
    }
    
    .timeline-item.left .timeline-card,
    .timeline-item.right .timeline-card {
        margin-left: 30px;
        margin-right: 0;
    }
    
    .timeline-item.left .timeline-arrow {
        left: -10px;
        right: auto;
        border-left: none;
        border-right: 10px solid white;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .partners-grid {
        grid-template-columns: 1fr;
    }
    
    .news-grid {
        grid-template-columns: 1fr;
    }
}