/* 全局样式 */
:root {
    --primary-color: #1e40af; /* 深蓝�?*/
    --secondary-color: #3b82f6; /* 活力亮蓝�?*/
    --accent-color: #ef4444; /* 强调�?*/
    --light-bg: #f8fafc; /* 浅色背景 */
    --dark-text: #1e293b; /* 深色文字 */
    --light-text: #64748b; /* 浅色文字 */
    --border-color: #e2e8f0; /* 边框颜色 */
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-hover: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--dark-text);
    background-color: #ffffff;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

/* 头部样式 */
.header {
    background-color: white;
    box-shadow: var(--shadow);
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 15px;
}

.logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
}

.logo img {
    height: 40px;
    margin-right: 10px;
}

.main-nav ul {
    display: flex;
    list-style: none;
    align-items: center;
    flex-shrink: 0;
}

.main-nav ul li {
    margin-left: 1.5rem;
}

.main-nav ul li a {
    text-decoration: none;
    color: var(--dark-text);
    font-weight: 500;
    transition: color 0.3s ease;
    padding: 0.5rem 0;
    position: relative;
}

.main-nav ul li a:hover,
.dropdown .dropbtn:hover {
    color: var(--primary-color);
}

.main-nav ul li a::after,
.dropdown .dropbtn::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: width 0.3s ease;
}

.main-nav ul li a:hover::after,
.dropdown .dropbtn:hover::after {
    width: 100%;
}

/* 下拉菜单样式 */
.dropdown {
    position: relative;
    display: inline-block;
}

.dropdown-content {
    display: none;
    position: absolute;
    background-color: #f9f9f9;
    min-width: 160px;
    box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2);
    z-index: 100;
    top: 100%;
    left: 0;
    border-radius: 4px;
    overflow: hidden;
}

.dropdown-content a {
    color: black;
    padding: 12px 16px;
    text-decoration: none;
    display: block;
    transition: background-color 0.3s ease;
}

.dropdown-content a:hover {
    background-color: #f1f1f1;
}

.dropdown:hover .dropdown-content {
    display: block;
}

.dropbtn {
    cursor: pointer;
    text-decoration: none;
    color: var(--dark-text);
    font-weight: 500;
    transition: color 0.3s ease;
    padding: 0.5rem 0;
    position: relative;
    display: flex;
    align-items: center;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--dark-text);
    margin: 3px 0;
    transition: 0.3s;
}

/* 首屏大图样式 */
.hero-section {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 120px 0 80px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at center, transparent 0%, rgba(0,0,0,0.1) 100%);
    pointer-events: none;
}

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

.page-hero {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 80px 0;
    text-align: center;
    margin-bottom: 40px;
    position: relative;
    overflow: hidden;
    box-shadow: inset 0 -4px 8px rgba(0,0,0,0.2);
}

.page-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at center, transparent 0%, rgba(0,0,0,0.1) 100%);
    pointer-events: none;
}

.page-hero h1 {
    font-size: 2.5rem;
    margin-bottom: 15px;
    text-shadow: 3px 3px 6px rgba(0,0,0,0.4);
    position: relative;
    z-index: 1;
    transform: translateZ(0);
    transition: transform 0.3s ease;
    letter-spacing: 1px;
}

.page-hero h1:hover {
    transform: translateY(-3px);
}

.page-hero p {
    font-size: 1.2rem;
    opacity: 0.9;
    margin-bottom: 0;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.4);
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto;
    letter-spacing: 0.5px;
}

/* CTA部分样式 */
.cta-section {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    padding: 60px 0;
    text-align: center;
    margin-top: 40px;
}

.cta-content h2 {
    font-size: 2rem;
    color: white;
    margin-bottom: 15px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.cta-content p {
    font-size: 1.2rem;
    color: rgba(255,255,255,0.9);
    margin-bottom: 25px;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.3);
}

.cta-content .btn {
    background: white;
    color: var(--primary-color);
    padding: 15px 35px;
    text-decoration: none;
    border-radius: 50px;
    font-weight: bold;
    display: inline-block;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

.cta-content .btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.3);
    background: #f8f9fa;
}

.hero-content h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    animation: fadeInDown 1s ease;
    text-shadow: 3px 3px 6px rgba(0,0,0,0.3);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.hero-content p {
    font-size: 1.4rem;
    margin-bottom: 2rem;
    animation: fadeInUp 1s ease;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    animation: fadeIn 1.5s ease;
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.btn {
    display: inline-block;
    padding: 14px 35px;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    text-align: center;
    transition: all 0.3s ease;
    margin: 0 10px;
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 10px rgba(0,0,0,0.15);
}

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

.btn-primary:hover {
    background-color: #f8f9fa;
    transform: translateY(-3px);
    box-shadow: 0 6px 15px rgba(0,0,0,0.2);
}

.btn-secondary {
    background-color: transparent;
    color: white;
    border: 2px solid white;
}

.btn-secondary:hover {
    background-color: white;
    color: var(--secondary-color);
    transform: translateY(-3px);
    box-shadow: 0 6px 15px rgba(0,0,0,0.2);
}

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

.btn-outline:hover {
    background-color: var(--primary-color);
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 6px 15px rgba(0,0,0,0.2);
}

/* 业务导航区样�?*/
.business-nav {
    background-color: white;
    padding: 80px 0;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

.nav-items {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

/* 首页业务导航网格 - 一行显示3个 */
.business-nav .nav-items {
    grid-template-columns: repeat(3, 1fr) !important;
}

.nav-item {
    text-align: center;
    padding: 40px 25px;
    background: white;
    border-radius: 12px;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    text-decoration: none;
    color: var(--dark-text);
    border-top: 3px solid var(--secondary-color);
    display: flex;
    flex-direction: column;
    align-items: center;
    height: 100%;
}

.nav-item:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
}

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


.nav-item .icon img {
    width: 45px;
    height: 45px;
    filter: brightness(0) invert(1);
}

.nav-item h3 {
    font-size: 1.3rem;
    color: var(--dark-text);
    margin: 0;
    flex-shrink: 0;
}

/* 价值亮点样�?*/
.value-props {
    padding: 80px 0;
    background: linear-gradient(to bottom, white, #f8fafc);
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 60px;
    color: var(--dark-text);
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 5px;
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    border-radius: 3px;
}

.value-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-top: 40px;
}

.value-item {
    text-align: center;
    padding: 40px 20px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
    border: none;
    display: flex;
    flex-direction: column;
    align-items: center;
    height: 100%;
}

.cooperation-value .value-item {
    background: white;
    border: 1px solid var(--border-color);
    color: var(--dark-text);
    border-top: 3px solid var(--secondary-color);
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    transition: all 0.3s ease;
    border-radius: 12px;
    padding: 30px 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.cooperation-value .value-item h3 {
    color: var(--primary-color);
}

.cooperation-value .value-item p {
    color: var(--dark-text);
}

.other-sections .value-item {
    background: white;
    border: 1px solid var(--border-color);
    color: var(--dark-text);
}

.other-sections .value-item h3 {
    color: var(--primary-color);
}

.other-sections .value-item p {
    color: var(--dark-text);
}

.value-item:hover {
    transform: translateY(-10px);
    background: rgba(255, 255, 255, 0.15);
    box-shadow: 0 20px 40px rgba(0,0,0,0.2);
}

.cooperation-value .value-item:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
}

.other-sections .value-item:hover {
    box-shadow: var(--shadow-hover);
}

.value-item .icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    transition: transform 0.3s ease;
}

.cooperation-value .value-item .icon {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
}

.cooperation-value .value-item .icon img {
    filter: brightness(0) invert(1);
}

.other-sections .value-item .icon {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
}

.other-sections .value-item .icon img {
    filter: brightness(0) invert(1);
}

.value-item:hover .icon {
    transform: scale(1.1);
    background: rgba(255, 255, 255, 0.3);
}

.cooperation-value .value-item:hover .icon {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
}

.other-sections .value-item:hover .icon {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
}

.value-item h3 {
    font-size: 1.4rem;
    margin-bottom: 15px;
    font-weight: 600;
    flex-shrink: 0;
}

.value-item p {
    line-height: 1.6;
    margin: 0;
    flex-grow: 1;
    display: flex;
    align-items: center;
}

/* 产品展示样式 */
.featured-products {
    padding: 100px 0;
    background: white;
}

/* 产品分类导航 */
.product-categories {
    padding: 40px 0;
    background: #f8f9fa;
}

.category-tabs {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.tab-btn {
    padding: 12px 30px;
    background: white;
    border: 2px solid #e2e8f0;
    border-radius: 50px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 500;
    color: var(--dark-text);
    transition: all 0.3s ease;
}

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

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

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 40px;
    padding: 20px 0;
}

.product-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    border-top: 3px solid var(--secondary-color);
    display: flex;
    flex-direction: column;
    height: 100%;
}

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

.product-card img {
    width: 100%;
    height: 220px;
    object-fit: cover;
}

.product-info {
    padding: 30px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.product-info h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--dark-text);
    flex-grow: 1;
}

.product-info p {
    color: var(--light-text);
    margin-bottom: 25px;
    line-height: 1.6;
    flex-grow: 1;
}

/* 联系悬浮�?*/
.contact-float {
    position: fixed;
    right: 30px;
    bottom: 30px;
    z-index: 999;
    display: flex;
    flex-direction: column;
    gap: 10px;
    background: white;
    border-radius: 18px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
    overflow: hidden;
    animation: slideInRight 0.5s ease;
    transition: all 0.3s ease;
}

.contact-float:hover {
    box-shadow: 0 15px 40px rgba(0,0,0,0.2);
}

.contact-item {
    display: flex;
    align-items: center;
    padding: 16px 22px;
    cursor: pointer;
    transition: all 0.3s ease;
    color: var(--dark-text);
    text-decoration: none;
}

.contact-item:hover {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    transform: translateX(-5px);
}

.contact-item:hover img {
    filter: brightness(0) invert(1);
}

.contact-item img {
    width: 22px;
    height: 22px;
    margin-right: 12px;
    transition: all 0.3s ease;
}

/* 支持服务概览优化 */
.support-overview {
    padding: 60px 0;
    background: var(--light-bg);
}

.overview-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-top: 40px;
}

.overview-item {
    background: white;
    padding: 40px 30px;
    border-radius: 12px;
    box-shadow: var(--shadow);
    text-align: center;
    transition: all 0.3s ease;
    border-top: 3px solid var(--secondary-color);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.overview-item:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
}

.overview-item .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;
}

.overview-item .icon img {
    width: 40px;
    height: 40px;
    filter: brightness(0) invert(1);
}

.overview-item h3 {
    color: var(--primary-color);
    margin: 0 0 15px 0;
    font-size: 1.4rem;
}

.overview-item p {
    color: var(--dark-text);
    margin: 0 0 25px 0;
    line-height: 1.6;
}

/* 技术支持服务优�?*/
.tech-support {
    padding: 60px 0;
    background: white;
}

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

/* 技术支持页面优化 */
.types-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-top: 30px;
}

.type-item {
    background: white;
    border-radius: 12px;
    padding: 30px;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    height: 100%;
}

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

.type-icon {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.type-item h3 {
    color: var(--primary-color);
    margin: 0 0 15px 0;
    font-size: 1.3rem;
}

.type-item p {
    color: var(--dark-text);
    margin: 0 0 15px 0;
    line-height: 1.6;
}

.contact-info {
    text-align: left;
    margin-top: auto;
    width: 100%;
    padding-top: 15px;
    border-top: 1px solid var(--border-color);
}

/* 下载中心页面优化 */
.download-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: white;
    border-radius: 12px;
    padding: 25px;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.download-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
}

.download-icon {
    font-size: 2rem;
    margin-right: 20px;
}

.download-info {
    flex-grow: 1;
}

.download-info h3 {
    margin: 0 0 8px 0;
    color: var(--primary-color);
    font-size: 1.2rem;
}

.download-info p {
    margin: 0 0 10px 0;
    color: var(--light-text);
    font-size: 0.95rem;
}

.download-meta {
    display: flex;
    gap: 15px;
    font-size: 0.85rem;
    color: var(--light-text);
}

.download-meta .version, .download-meta .size, .download-meta .os {
    background: var(--light-bg);
    padding: 4px 10px;
    border-radius: 4px;
}

.manual-item, .doc-item, .form-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: white;
    border-radius: 12px;
    padding: 25px;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.manual-item:hover, .doc-item:hover, .form-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
}

.manual-icon, .doc-icon, .form-icon {
    font-size: 2rem;
    margin-right: 20px;
}

.manual-info, .doc-info, .form-info {
    flex-grow: 1;
}

.manual-info h3, .doc-info h3, .form-info h3 {
    margin: 0 0 8px 0;
    color: var(--primary-color);
    font-size: 1.2rem;
}

.manual-info p, .doc-info p, .form-info p {
    margin: 0 0 10px 0;
    color: var(--light-text);
    font-size: 0.95rem;
}

.manual-meta, .doc-meta, .form-meta {
    display: flex;
    gap: 15px;
    font-size: 0.85rem;
    color: var(--light-text);
}

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

.category-item {
    background: white;
    border-radius: 12px;
    padding: 30px;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
    text-align: center;
    height: 100%;
    min-height: 200px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

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

.category-icon {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.category-item h3 {
    color: var(--primary-color);
    margin: 0 0 10px 0;
    font-size: 1.2rem;
}

.category-item p {
    color: var(--light-text);
    margin: 0 0 15px 0;
    line-height: 1.6;
}

/* 常见问题页面优化 */
.faq-categories .categories-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-top: 30px;
}

.category-item {
    background: white;
    border-radius: 12px;
    padding: 30px;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
    text-align: center;
    height: 100%;
}

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

.category-icon {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.category-item h3 {
    color: var(--primary-color);
    margin: 0 0 10px 0;
    font-size: 1.2rem;
}

.category-item p {
    color: var(--light-text);
    margin: 0 0 15px 0;
    line-height: 1.6;
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-top: 30px;
}

.faq-item {
    background: white;
    border-radius: 12px;
    padding: 20px;
    box-shadow: var(--shadow);
    margin-bottom: 15px;
    border: 1px solid var(--border-color);
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
    cursor: pointer;
    font-weight: 500;
    border-bottom: 1px solid var(--border-color);
}

.faq-question h3 {
    margin: 0;
    color: var(--dark-text);
}

.faq-answer {
    padding: 15px 0;
    display: none;
    color: var(--light-text);
    line-height: 1.6;
}

/* SLA部分优化 */
.sla-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
    margin-top: 30px;
}

.sla-item {
    background: white;
    border-radius: 12px;
    padding: 25px;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
    text-align: center;
}

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

.sla-item h3 {
    color: var(--primary-color);
    margin: 0 0 15px 0;
    font-size: 1.2rem;
}

.sla-item p {
    color: var(--dark-text);
    margin: 0 0 15px 0;
    line-height: 1.6;
}

.sla-details {
    border-top: 1px solid var(--border-color);
    padding-top: 15px;
}

.sla-details p {
    margin: 5px 0;
    color: var(--light-text);
    font-weight: 500;
}

/* 服务流程优化 */
.process-steps {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 15px;
    margin-top: 30px;
    overflow-x: auto;
    padding: 20px 0;
}

.step-item {
    background: white;
    border-radius: 12px;
    padding: 20px;
    box-shadow: var(--shadow);
    text-align: center;
    min-width: 200px;
    position: relative;
}

.step-number {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 30px;
    height: 30px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 0.9rem;
}

.step-content h3 {
    margin: 10px 0 10px 0;
    color: var(--primary-color);
    font-size: 1.1rem;
}

.step-content p {
    margin: 0;
    color: var(--light-text);
    font-size: 0.9rem;
    line-height: 1.5;
}

.content-grid .grid-item {
    background: white;
    padding: 40px 30px;
    border-radius: 12px;
    box-shadow: var(--shadow);
    text-align: center;
    transition: all 0.3s ease;
    border-top: 3px solid var(--secondary-color);
    display: flex;
    flex-direction: column;
    align-items: center;
    height: 100%;
    min-height: 250px;
}

.content-grid .grid-item:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
}

.content-grid .grid-item h3 {
    color: var(--primary-color);
    margin: 0 0 15px 0;
    font-size: 1.2rem;
    text-align: center;
}

.content-grid .grid-item p {
    color: var(--dark-text);
    line-height: 1.6;
    margin: 0;
    flex-grow: 1;
    text-align: center;
}

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

.content-grid .grid-item .icon span {
    font-size: 24px;
    color: white;
}

.grid-item {
    background: var(--light-bg);
    padding: 40px 25px;
    border-radius: 10px;
    transition: all 0.3s ease;
    border-left: 4px solid var(--secondary-color);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.grid-item:hover {
    transform: translateX(5px);
    box-shadow: var(--shadow-hover);
}

.grid-item h3 {
    color: var(--primary-color);
    margin: 0 0 15px 0;
    font-size: 1.2rem;
}

.grid-item p {
    color: var(--dark-text);
    line-height: 1.6;
    margin: 0;
    flex-grow: 1;
}

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

.tech-content-grid .grid-item {
    background: white;
    padding: 40px 30px;
    border-radius: 12px;
    box-shadow: var(--shadow);
    text-align: center;
    transition: all 0.3s ease;
    border-top: 3px solid var(--secondary-color);
    display: flex;
    flex-direction: column;
    align-items: center;
    height: 100%;
}

.tech-content-grid .grid-item:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
}

.tech-content-grid .grid-item h3 {
    color: var(--primary-color);
    margin: 0 0 15px 0;
    font-size: 1.2rem;
    text-align: center;
}

/* 首页特色产品网格 */
.featured-products .content-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin-top: 30px;
}

.featured-products .content-grid .grid-item {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    border-top: 3px solid var(--secondary-color);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.featured-products .content-grid .grid-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.15);
}

.featured-products .content-grid .grid-item > img {
    width: 100%;
    height: 180px;
    object-fit: cover;
    border-radius: 12px 12px 0 0; /* 顶部圆角 */
    display: block;
}

.featured-products .content-grid .grid-item {
    padding: 40px 25px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.featured-products .content-grid .grid-item > h3 {
    color: var(--dark-text);
    margin: 0 0 15px 0;
    font-size: 1.4rem;
    text-align: center;
}

.featured-products .content-grid .grid-item > p {
    color: var(--dark-text);
    line-height: 1.6;
    margin: 0 0 20px 0;
    flex-grow: 1;
    text-align: center;
}

.featured-products .content-grid .grid-item .btn {
    align-self: flex-start;
    margin: 0;
}

.text-content {
    max-width: 100%;
}

.tech-content-grid .grid-item p {
    color: var(--dark-text);
    line-height: 1.6;
    margin: 0;
    flex-grow: 1;
    text-align: center;
}

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

.tech-content-grid .grid-item .icon span {
    font-size: 24px;
    color: white;
}

/* 下载中心优化 */
.download-center {
    padding: 60px 0;
    background: var(--light-bg);
}

.downloads-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    margin-top: 40px;
}

.download-category h3 {
    color: var(--primary-color);
    margin: 0 0 25px 0;
    font-size: 1.4rem;
    position: relative;
    padding-bottom: 15px;
}

.download-category h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 3px;
    background: var(--secondary-color);
    border-radius: 3px;
}

.download-category ul {
    list-style: none;
    padding: 0;
}

.download-category ul li {
    margin-bottom: 15px;
    background: white;
    padding: 15px;
    border-radius: 8px;
    box-shadow: var(--shadow-light);
    transition: all 0.3s ease;
}

.download-category ul li:hover {
    transform: translateX(5px);
    box-shadow: var(--shadow);
}

.download-category ul li a {
    display: flex;
    justify-content: space-between;
    align-items: center;
    text-decoration: none;
    color: var(--dark-text);
}

.download-category ul li a:hover {
    color: var(--primary-color);
}

.download-name {
    flex: 1;
    font-weight: 500;
}

.download-version, .download-size {
    color: var(--secondary-color);
    font-size: 0.9rem;
    margin-left: 15px;
}

/* 培训服务优化 */
.training-services {
    padding: 60px 0;
    background: white;
}

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

.training-card {
    background: white;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.3s ease;
    box-shadow: var(--shadow);
}

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

.training-card.featured {
    border-color: var(--secondary-color);
    position: relative;
}

.training-card.featured::before {
    content: '推荐';
    position: absolute;
    top: 15px;
    right: -10px;
    background: var(--secondary-color);
    color: white;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: bold;
    transform: rotate(10deg);
    z-index: 2;
}

.training-header {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 40px 25px;
    text-align: center;
    position: relative;
}

.training-header h3 {
    margin: 0;
    font-size: 1.5rem;
}

.price {
    display: block;
    font-size: 1.8rem;
    font-weight: bold;
    margin-top: 10px;
}

.training-features {
    list-style: none;
    padding: 30px;
}

.training-features li {
    padding: 8px 0;
    border-bottom: 1px solid var(--border-color);
}

.training-features li:last-child {
    border-bottom: none;
}

.training-card .btn {
    display: block;
    width: calc(100% - 30px);
    margin: 0 15px 20px;
    text-align: center;
}

/* 服务政策优化 */
.service-policies {
    padding: 60px 0;
    background: var(--light-bg);
}

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

/* 常见问题优化 */
.faqs {
    padding: 60px 0;
    background: white;
}

.faq-list {
    max-width: 800px;
    margin: 40px auto 0;
}

.faq-item {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin-bottom: 15px;
    overflow: hidden;
}

.faq-question {
    background: var(--light-bg);
    padding: 20px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background 0.3s ease;
}

.faq-question:hover {
    background: #e2e8f0;
}

.faq-question h3 {
    margin: 0;
    font-size: 1.1rem;
    color: var(--primary-color);
}

.faq-toggle {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--secondary-color);
}

.faq-answer {
    padding: 20px;
    display: none;
    background: white;
    color: var(--dark-text);
    line-height: 1.7;
}

/* CTA部分优化 */
.cta-section {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 60px 0;
    text-align: center;
    margin-top: 60px;
}

.cta-content h2 {
    font-size: 2rem;
    margin: 0 0 15px 0;
}

.cta-content p {
    font-size: 1.1rem;
    margin: 0 0 30px 0;
    opacity: 0.9;
}

/* 页脚样式 */
.footer {
    background-color: var(--dark-text);
    color: white;
    padding: 60px 0 20px;
    margin-top: 60px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h3 {
    font-size: 1.2rem;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}

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

.footer-section ul {
    list-style: none;
}

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

.footer-section ul li a {
    color: #cbd5e1;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: var(--secondary-color);
}

.footer-section.contact-info ul {
    list-style: none;
    padding: 0;
}

.footer-section.contact-info ul li {
    margin-bottom: 10px;
    color: #cbd5e1;
    line-height: 1.6;
    list-style: none;
    padding: 0;
}

.copyright {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid #334155;
    color: #94a3b8;
}

/* 动画效果 */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

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

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(100px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* 表单样式 */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--dark-text);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

.form-row {
    display: flex;
    gap: 20px;
}

.form-row .form-group {
    flex: 1;
}

.contact-form {
    background: white;
    padding: 30px;
    border-radius: 8px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

/* 卡片样式 */
.card {
    background: white;
    border-radius: 8px;
    box-shadow: var(--shadow);
    padding: 30px;
    margin-bottom: 30px;
    transition: all 0.3s ease;
}

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

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

/* 优化视觉效果 */

/* 关于我们页面样式 */
.company-intro {
    padding: 80px 0;
    background: white;
}

.intro-content-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.intro-item {
    background: white;
    padding: 40px 30px;
    border-radius: 12px;
    box-shadow: var(--shadow);
    text-align: center;
    transition: all 0.3s ease;
    border-top: 3px solid var(--secondary-color);
    display: flex;
    flex-direction: column;
    align-items: center;
    height: 100%;
}

.intro-item:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
}

.intro-item h3 {
    color: var(--primary-color);
    margin: 0 0 15px 0;
    font-size: 1.2rem;
    text-align: center;
}

.intro-item p {
    color: var(--dark-text);
    line-height: 1.6;
    margin: 0;
    text-align: center;
    flex-grow: 1;
}

.mission-vision {
    padding: 80px 0;
    background: var(--light-bg);
}

.mission-vision .content-grid {
    margin-top: 40px;
}

.milestones {
    padding: 80px 0;
    background: white;
}

.milestones .content-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.team-showcase {
    padding: 80px 0;
    background: var(--light-bg);
}

.team-showcase .content-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.company-honors {
    padding: 80px 0;
    background: white;
}

.company-honors .content-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.join-us {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
}

.join-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.join-text h2 {
    font-size: 2rem;
    margin: 0 0 20px 0;
    color: white;
}

.join-text p {
    font-size: 1.1rem;
    line-height: 1.7;
    margin: 0 0 15px 0;
    opacity: 0.9;
}

.join-text .btn {
    background: white;
    color: var(--primary-color);
    padding: 15px 35px;
    text-decoration: none;
    border-radius: 50px;
    font-weight: bold;
    display: inline-block;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

.join-text .btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.3);
    background: #f8f9fa;
}

.join-image img {
    width: 100%;
    border-radius: 12px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.2);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    margin: 40px 0;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.stat-card {
    text-align: center;
    padding: 30px 15px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 12px;
    color: white;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
}

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

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: bold;
    margin-bottom: 5px;
}

.stat-label {
    display: block;
    font-size: 0.9rem;
    opacity: 0.9;
}

/* 解决方案页面优化 */
.solutions-category {
    padding: 60px 0;
    background: white;
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

/* 解决方案首页网格 - 一行显示4个 */
.solutions-category .solutions-grid {
    grid-template-columns: repeat(4, 1fr);
}

/* 解决方案详情页面网格布局 - 核心功能模块显示3个一行 */
.core-features .features-grid {
    grid-template-columns: repeat(3, 1fr);
}

/* 解决方案详情页面网格布局 - 适用场景显示4个一行 */
.use-cases .use-cases-grid {
    grid-template-columns: repeat(4, 1fr);
}

/* 解决方案详情页面网格布局 - 硬件配置显示3个一行 */
.hardware-package .hardware-grid {
    grid-template-columns: repeat(3, 1fr);
}

.solution-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 40px 30px;
    background: var(--light-bg);
    border-radius: 12px;
    text-decoration: none;
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
    height: 100%;
}

.solution-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
    background: white;
    border-color: var(--secondary-color);
}

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

.solution-card .icon img {
    width: 50%;
    height: 50%;
    object-fit: contain;
    filter: brightness(0) invert(1);
}

.solution-card h3 {
    color: var(--primary-color);
    margin: 0 0 15px 0;
    font-size: 1.4rem;
}

.solution-card p {
    color: var(--dark-text);
    margin: 0;
    line-height: 1.6;
}

.solution-features {
    padding: 80px 0;
    background: var(--light-bg);
}

.solution-features .section-title {
    text-align: center;
    margin-bottom: 50px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

/* 产品页面特色网格 - 一行显示4个 */
.product-features .features-grid {
    grid-template-columns: repeat(4, 1fr);
}

/* 解决方案页面特色网格 - 一行显示4个 */
.solution-features .features-grid {
    grid-template-columns: repeat(4, 1fr);
}

.support-overview .support-features .feature-item {
    display: flex;
    gap: 15px;
    padding: 20px;
    border-radius: 12px;
    background: white;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
    align-items: flex-start;
}

.support-overview .support-features .feature-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.support-overview .support-features .feature-item .icon {
    font-size: 1.5rem;
}

.support-overview .support-features .feature-item h3 {
    color: var(--primary-color);
    margin: 0 0 10px 0;
    font-size: 1.2rem;
}

.support-overview .support-features .feature-item p {
    color: var(--light-text);
    margin: 0;
    line-height: 1.6;
}

/* 保持原有样式 */
.feature-item {
    text-align: center;
    padding: 40px 25px;
    background: white;
    border-radius: 12px;
    transition: all 0.3s ease;
    height: 100%;
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
}

.feature-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-hover);
}

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

.feature-item .icon img {
    width: 50%;
    height: 50%;
    object-fit: contain;
    filter: brightness(0) invert(1);
}

.feature-item h3 {
    color: var(--primary-color);
    margin: 0 0 15px 0;
    font-size: 1.3rem;
    flex-shrink: 0;
}

.feature-item p {
    color: var(--dark-text);
    line-height: 1.6;
    margin: 0;
    flex-grow: 1;
    display: flex;
    align-items: center;
}

.pain-points {
    padding: 80px 0;
    background: white;
}

.pain-points .section-title {
    text-align: center;
    margin-bottom: 50px;
}

.pain-points-grid {
    display: grid;
    gap: 40px;
    margin-top: 40px;
}

.pain-point {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin-bottom: 40px;
    padding: 30px;
    border-radius: 12px;
    background: var(--light-bg);
    box-shadow: var(--shadow-light);
}

.problem, .solution {
    padding: 40px 25px;
    border-radius: 8px;
}

.problem {
    background: #fef2f2; /* 浅红色表示问�?*/
    border-left: 4px solid #ef4444;
}

.solution {
    background: #f0fdf4; /* 浅绿色表示解决方�?*/
    border-left: 4px solid #22c55e;
}

.pain-point h3 {
    margin-top: 0;
    margin-bottom: 15px;
    color: var(--dark-text);
    font-size: 1.2rem;
}

.pain-point ul {
    padding-left: 20px;
    margin: 10px 0;
}

.pain-point li {
    margin-bottom: 10px;
    line-height: 1.6;
    position: relative;
    padding-left: 20px;
}

.pain-point li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--primary-color);
}

/* 解决方案子页面通用样式 */
.solution-overview {
    padding: 60px 0;
    background: white;
}

.solution-overview .text-content {
    max-width: 1200px;
    margin: 0 auto;
}

.solution-overview h2 {
    text-align: center;
    margin-bottom: 30px;
    color: var(--primary-color);
}

.solution-overview p {
    text-align: center;
    color: var(--light-text);
    line-height: 1.8;
    margin-bottom: 40px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.content-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
    margin-bottom: 40px;
}

.grid-item {
    text-align: center;
    padding: 40px 25px;
    background: var(--light-bg);
    border-radius: 8px;
    transition: all 0.3s ease;
}

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

.grid-item h3 {
    margin: 0 0 15px 0;
    color: var(--primary-color);
}

.grid-item p {
    margin: 0;
    color: var(--dark-text);
    line-height: 1.6;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin: 40px 0;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.stat-card {
    text-align: center;
    padding: 25px 15px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 8px;
    color: white;
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: bold;
    margin-bottom: 5px;
}

.stat-label {
    display: block;
    font-size: 0.9rem;
    opacity: 0.9;
}

.overview-actions {
    text-align: center;
    margin-top: 30px;
}

.overview-actions .btn {
    margin: 0 10px;
}

.core-features {
    padding: 80px 0;
    background: var(--light-bg);
}

.core-features .section-title {
    text-align: center;
    margin-bottom: 50px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.feature-card {
    text-align: center;
    padding: 30px 20px;
    border-radius: 12px;
    background: white;
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
    height: 100%;
    display: flex;
    flex-direction: column;
}

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

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

.feature-icon img {
    width: 40px;
    height: 40px;
    filter: brightness(0) invert(1);
}

.feature-card h3 {
    margin: 15px 0 10px 0;
    color: var(--dark-text);
    flex-shrink: 0;
}

.feature-card p {
    color: var(--light-text);
    line-height: 1.6;
    margin: 0;
    flex-grow: 1;
}

.use-cases {
    padding: 80px 0;
    background: white;
}

.use-cases .section-title {
    text-align: center;
    margin-bottom: 50px;
}

.use-cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.use-case-item {
    text-align: center;
    padding: 30px 20px;
    border-radius: 12px;
    background: var(--light-bg);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.use-case-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-hover);
}

.use-case-icon {
    font-size: 3rem;
    margin-bottom: 15px;
}

.use-case-item h3 {
    margin: 15px 0 10px 0;
    color: var(--dark-text);
    flex-shrink: 0;
}

.use-case-item p {
    color: var(--light-text);
    line-height: 1.6;
    margin: 0;
    flex-grow: 1;
}

.problems-solved {
    padding: 80px 0;
    background: var(--light-bg);
}

.problems-solved .text-content {
    max-width: 1200px;
    margin: 0 auto;
}

.problems-solved .section-title {
    text-align: center;
    margin-bottom: 50px;
}

.problems-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
    margin-top: 40px;
}

.problem-item {
    padding: 40px 25px;
    border-radius: 8px;
    border-left: 4px solid var(--secondary-color);
    background: white;
    box-shadow: var(--shadow);
}

.problem-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.problem-header h3 {
    margin: 0;
    color: var(--dark-text);
}

.problem-status {
    background: #dcfce7;
    color: #22c55e;
    padding: 5px 10px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: bold;
}

.problem-status.solved {
    background: #dcfce7;
    color: #22c55e;
}

.problem-item p {
    color: var(--light-text);
    line-height: 1.6;
    margin: 0;
}

.hardware-package {
    padding: 80px 0;
    background: white;
}

.hardware-package .section-title {
    text-align: center;
    margin-bottom: 50px;
}

.hardware-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.hardware-item {
    display: flex;
    flex-direction: column;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
}

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

.hardware-image {
    height: 200px;
    overflow: hidden;
}

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

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

.hardware-info {
    padding: 20px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.hardware-info h3 {
    margin: 0 0 10px 0;
    color: var(--dark-text);
}

.hardware-info p {
    color: var(--light-text);
    flex-grow: 1;
    margin: 0 0 15px 0;
}

.hardware-specs {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.spec {
    background: var(--light-bg);
    color: var(--dark-text);
    padding: 5px 10px;
    border-radius: 20px;
    font-size: 0.8rem;
}

.customer-cases {
    padding: 80px 0;
    background: var(--light-bg);
}

.customer-cases .section-title {
    text-align: center;
    margin-bottom: 50px;
}

.case-highlights {
    margin-top: 40px;
}

.case-item {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
    padding: 40px;
    background: linear-gradient(135deg, #f0f9ff, #e0f2fe);
    border-radius: 12px;
}

.case-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    gap: 20px;
}

.stat {
    text-align: center;
    padding: 20px;
    background: white;
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.stat-value {
    display: block;
    font-size: 1.8rem;
    font-weight: bold;
    color: var(--primary-color);
    line-height: 1;
}

.stat-label {
    display: block;
    font-size: 0.8rem;
    color: var(--light-text);
    margin-top: 5px;
}

.case-content h3 {
    color: var(--dark-text);
    margin: 0 0 15px 0;
}

.case-content p {
    color: var(--light-text);
    line-height: 1.6;
    margin: 0;
}

.support-offering {
    padding: 80px 0;
    background: white;
}

.support-offering .section-title {
    text-align: center;
    margin-bottom: 50px;
}

.cooperation-support {
    background: white;
}

.support-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-top: 40px;
}

.support-item {
    background: white;
    padding: 35px 25px;
    border-radius: 12px;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    border-top: 3px solid var(--secondary-color);
}

.support-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-hover);
    background: white;
}

.support-item .icon {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    margin-bottom: 20px;
    transition: transform 0.3s ease;
}

.support-item:hover .icon {
    transform: scale(1.1);
}

.support-item .icon img {
    width: 40px;
    height: 40px;
    filter: brightness(0) invert(1);
}

.support-item h3 {
    color: var(--primary-color);
    margin: 0 0 15px 0;
    font-size: 1.3rem;
}

.support-item p {
    color: var(--dark-text);
    line-height: 1.6;
    margin: 0;
    flex-grow: 1;
    display: flex;
    align-items: center;
}

/* 特定解决方案页面样式 */
.payment-methods {
    padding: 80px 0;
    background: white;
}

.payment-methods .section-title {
    text-align: center;
    margin-bottom: 50px;
}

.methods-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-top: 40px;
}

.method-item {
    text-align: center;
    padding: 30px 20px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.method-item:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
}

.method-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: white;
    border-radius: 50%;
    border: 1px solid var(--border-color);
}

.method-icon img {
    width: 50px;
    height: 50px;
}

.method-item h3 {
    margin: 15px 0 10px 0;
    color: var(--dark-text);
}

.method-item p {
    color: var(--light-text);
    line-height: 1.6;
    margin: 0;
}

.core-advantages {
    padding: 80px 0;
    background: var(--light-bg);
}

.core-advantages .section-title {
    text-align: center;
    margin-bottom: 50px;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.advantage-item {
    text-align: center;
    padding: 30px 20px;
    border-radius: 12px;
    background: white;
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.advantage-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-hover);
}

.advantage-icon {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.advantage-item h3 {
    margin: 15px 0 10px 0;
    color: var(--dark-text);
}

.advantage-item p {
    color: var(--light-text);
    line-height: 1.6;
    margin: 0;
}

.integration-process {
    padding: 80px 0;
    background: white;
}

.integration-process .section-title {
    text-align: center;
    margin-bottom: 50px;
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 20px;
    margin-top: 40px;
    position: relative;
}

.process-steps::before {
    content: '';
    position: absolute;
    top: 45px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--border-color);
    z-index: 1;
}

.step {
    text-align: center;
    position: relative;
    padding: 40px 20px 20px;
    z-index: 2;
}

.step-number {
    width: 60px;
    height: 60px;
    line-height: 60px;
    margin: 0 auto 15px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border-radius: 50%;
    font-size: 1.4rem;
    font-weight: bold;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 10px rgba(0,0,0,0.15);
    transition: all 0.3s ease;
}

.step:hover .step-number {
    transform: scale(1.1);
    box-shadow: 0 6px 15px rgba(0,0,0,0.2);
}

.step-content h3 {
    margin: 0 0 10px 0;
    color: var(--dark-text);
    font-size: 1.1rem;
}

.step-content p {
    color: var(--light-text);
    line-height: 1.5;
    margin: 0;
    font-size: 0.9rem;
}

.security-assurance {
    padding: 80px 0;
    background: var(--light-bg);
}

.security-assurance .section-title {
    text-align: center;
    margin-bottom: 50px;
}

.security-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.security-item {
    text-align: center;
    padding: 30px 20px;
    border-radius: 12px;
    background: white;
    border: 1px solid var(--border-color);
}

.security-icon {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.security-item h3 {
    margin: 15px 0 10px 0;
    color: var(--dark-text);
}

.security-item p {
    color: var(--light-text);
    line-height: 1.6;
    margin: 0;
}

.management-levels {
    padding: 80px 0;
    background: white;
}

.management-levels .section-title {
    text-align: center;
    margin-bottom: 50px;
}

.levels-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.level-item {
    text-align: center;
    padding: 30px 20px;
    border-radius: 12px;
    background: var(--light-bg);
    transition: all 0.3s ease;
}

.level-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-hover);
}

.level-icon {
    font-size: 3rem;
    margin-bottom: 15px;
}

.level-item h3 {
    margin: 15px 0 10px 0;
    color: var(--dark-text);
}

.level-item p {
    color: var(--light-text);
    line-height: 1.6;
    margin: 0;
}

.data-sync {
    padding: 80px 0;
    background: var(--light-bg);
}

.data-sync .section-title {
    text-align: center;
    margin-bottom: 50px;
}

.sync-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.sync-item {
    display: flex;
    gap: 15px;
    align-items: flex-start;
    padding: 40px 25px;
    border-radius: 12px;
    background: white;
    border: 1px solid var(--border-color);
}

.sync-icon {
    font-size: 2rem;
}

.sync-content h3 {
    margin: 0 0 10px 0;
    color: var(--dark-text);
}

.sync-content p {
    color: var(--light-text);
    line-height: 1.6;
    margin: 0;
}

.system-advantages {
    padding: 80px 0;
    background: white;
}

.system-advantages .section-title {
    text-align: center;
    margin-bottom: 50px;
}

.system-advantages .advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.implementation-plan {
    padding: 80px 0;
    background: var(--light-bg);
}

.implementation-plan .section-title {
    text-align: center;
    margin-bottom: 50px;
}

.plan-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.plan-item {
    padding: 30px;
    border-radius: 12px;
    background: white;
    border: 1px solid var(--border-color);
}

.plan-header {
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border-color);
}

.plan-header h3 {
    color: var(--dark-text);
    margin: 0;
}

.plan-features {
    list-style: none;
    padding: 0;
}

.plan-features li {
    padding: 8px 0;
    display: flex;
    align-items: center;
}

.plan-features li::before {
    content: "•";
    color: var(--primary-color);
    font-weight: bold;
    margin-right: 10px;
}

.cost-effective-package {
    padding: 80px 0;
    background: white;
}

.cost-effective-package .section-title {
    text-align: center;
    margin-bottom: 50px;
}

.package-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.package-card {
    text-align: center;
    padding: 30px 20px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    background: white;
    transition: all 0.3s ease;
}

.package-card.popular {
    border: 2px solid var(--secondary-color);
    position: relative;
    transform: scale(1.05);
}

.package-header {
    margin-bottom: 20px;
    position: relative;
}

.package-price {
    margin: 15px 0;
}

.price {
    font-size: 2rem;
    font-weight: bold;
    color: var(--primary-color);
}

.duration {
    color: var(--light-text);
    font-size: 0.9rem;
}

.popular-tag {
    position: absolute;
    top: -12px;
    right: 20px;
    background: var(--accent-color);
    color: white;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: bold;
}

.package-features {
    list-style: none;
    padding: 0;
    margin: 20px 0;
    text-align: center;
}

.package-features li {
    padding: 8px 0;
    display: flex;
    align-items: center;
}

.package-features li::before {
    content: "";
    display: inline-block;
    width: 20px;
    height: 20px;
    margin-right: 10px;
    border-radius: 50%;
    background: #dcfce7;
}

.package-features li:has(input[type="checkbox"]:checked)::before {
    background: #22c55e;
}

.hardware-recommendation {
    padding: 80px 0;
    background: var(--light-bg);
}

.faq-section {
    padding: 80px 0;
    background: white;
}

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

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 15px;
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
    cursor: pointer;
    font-weight: 500;
}

.faq-question h3 {
    margin: 0;
    color: var(--dark-text);
}

.faq-toggle {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
}

.faq-answer {
    padding: 0 0 15px 0;
    display: none;
    color: var(--light-text);
    line-height: 1.6;
}

@media (max-width: 768px) {
    .pain-point {
        grid-template-columns: 1fr;
    }
    .solutions-grid {
        grid-template-columns: 1fr;
    }
    .features-grid {
        grid-template-columns: 1fr;
    }
    .case-item {
        grid-template-columns: 1fr;
    }
    .process-steps {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .support-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .package-card.popular {
        transform: scale(1);
    }
    .overview-actions .btn {
        display: block;
        margin: 10px 0;
    }
    .value-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* 渠道合作页面优化 */
.partner-types .types-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 30px;
}

.type-card {
    background: white;
    border-radius: 12px;
    padding: 30px;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
    height: 100%;
    display: flex;
    flex-direction: column;
}

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

.type-card.featured {
    border: 2px solid var(--secondary-color);
    position: relative;
    transform: scale(1.05);
}

.type-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border-color);
}

.type-header h3 {
    margin: 0;
    color: var(--dark-text);
    font-size: 1.4rem;
}

.level-badge {
    background: var(--primary-color);
    color: white;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: bold;
}

.level-badge.featured {
    background: var(--secondary-color);
}

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

.type-features li {
    padding: 8px 0;
    display: flex;
    align-items: center;
    color: var(--dark-text);
}

.type-features li::before {
    content: "";
    display: inline-block;
    width: 20px;
    height: 20px;
    margin-right: 10px;
    border-radius: 50%;
    background: #dcfce7;
}

.type-features li:has(input[type="checkbox"]:checked)::before {
    background: #22c55e;
}

.type-benefits {
    margin: 20px 0;
    padding: 15px;
    background: var(--light-bg);
    border-radius: 8px;
    text-align: center;
}

.type-benefits p {
    margin: 0;
    color: var(--primary-color);
    font-weight: 500;
    font-size: 0.95rem;
}

/* 成功案例页面优化 */
.success-stories {
    background: var(--light-bg);
}

.case-filters {
    padding: 30px 0;
    background: white;
}

.filter-tabs {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 12px;
    margin: 0 auto;
    max-width: 800px;
}

.filter-btn {
    padding: 12px 24px;
    background: white;
    border: 2px solid var(--border-color);
    border-radius: 30px;
    color: var(--dark-text);
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1rem;
    font-weight: 500;
    white-space: nowrap;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.filter-btn:hover:not(.active) {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 100, 255, 0.3);
}

.filter-btn.active {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border-color: var(--primary-color);
    box-shadow: 0 4px 15px rgba(0, 100, 255, 0.4);
}

.case-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin-top: 40px;
}

.case-card {
    display: flex;
    flex-direction: column;
    height: 100%;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: transform 0.4s ease, box-shadow 0.4s ease;
    border-top: 3px solid var(--secondary-color);
    background: white;
}

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

.case-image img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

.client-testimonials {
    padding: 80px 0;
    background: white;
}

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

.testimonial-item {
    background: var(--light-bg);
    padding: 30px;
    border-radius: 12px;
    box-shadow: var(--shadow);
    position: relative;
    border-left: 4px solid var(--secondary-color);
    transition: all 0.3s ease;
}

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

.testimonial-content {
    position: relative;
    margin-bottom: 25px;
}

.testimonial-content p {
    font-style: italic;
    color: var(--dark-text);
    line-height: 1.7;
    margin: 0;
}

.testimonial-content::before {
    content: '"';
    position: absolute;
    top: -20px;
    left: -15px;
    font-size: 4rem;
    color: var(--light-bg);
    font-family: Georgia, serif;
    line-height: 1;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 15px;
}

.testimonial-author img {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--light-bg);
}

.testimonial-author h4 {
    margin: 0 0 5px 0;
    color: var(--primary-color);
    font-size: 1.1rem;
}

.testimonial-author p {
    margin: 0;
    color: var(--light-text);
    font-size: 0.9rem;
}

.case-types {
    padding: 80px 0;
    background: var(--light-bg);
}

.types-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-top: 40px;
}

.type-item {
    background: white;
    padding: 40px 30px;
    border-radius: 12px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    border-top: 3px solid var(--secondary-color);
    display: flex;
    flex-direction: column;
    align-items: center;
    height: 100%;
    min-height: 250px;
}

.type-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-hover);
}

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

.type-item .icon img {
    width: 50%;
    height: 50%;
    object-fit: contain;
    filter: brightness(0) invert(1);
}

.type-item h3 {
    color: var(--primary-color);
    margin: 0 0 15px 0;
    font-size: 1.3rem;
}

.type-item p {
    color: var(--dark-text);
    margin: 0;
    line-height: 1.6;
}

/* 成功合作案例页面优化 */
.success-stories {
    padding: 80px 0;
    background: var(--light-bg);
}

.stories-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin-top: 40px;
}

.story-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    border-top: 3px solid var(--secondary-color);
    display: flex;
    flex-direction: column;
    height: 100%;
}

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

.story-image {
    width: 100%;
    height: 220px;
    overflow: hidden;
}

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

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

.story-content {
    padding: 30px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.story-content h3 {
    color: var(--primary-color);
    margin: 0 0 15px 0;
    font-size: 1.4rem;
}

.story-content p {
    color: var(--dark-text);
    line-height: 1.7;
    margin: 0 0 20px 0;
    flex-grow: 1;
}

.story-stats {
    display: flex;
    justify-content: space-around;
    margin-top: auto;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

.stat {
    text-align: center;
    padding: 10px;
}

.stat-value {
    display: block;
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
    line-height: 1;
}

.stat-label {
    display: block;
    font-size: 0.85rem;
    color: var(--light-text);
    margin-top: 5px;
}

.case-content {
    padding: 30px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.case-badge {
    display: inline-block;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 15px;
    align-self: flex-start;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.case-results {
    display: flex;
    justify-content: space-around;
    margin: 20px 0 25px;
    padding: 20px 0;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    background: var(--light-bg-transparent);
    border-radius: 8px;
}

.result-item {
    text-align: center;
    padding: 0 10px;
}

.result-value {
    display: block;
    font-size: 1.8rem;
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 5px;
}

.result-desc {
    display: block;
    font-size: 0.85rem;
    color: var(--dark-text);
    margin: 0;
    font-weight: 500;
}

/* 服务支持页面优化 */
.support-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin-top: 40px;
}

/* 技术支持页面优化 */
.support-overview {
    padding: 60px 0;
    background: var(--light-bg);
}

.overview-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 40px;
    align-items: center;
}

@media (max-width: 768px) {
    .overview-content {
        grid-template-columns: 1fr;
    }
}

.overview-text h2 {
    color: var(--primary-color);
    margin-bottom: 20px;
    font-size: 1.8rem;
}

.overview-text p {
    color: var(--dark-text);
    line-height: 1.8;
    margin-bottom: 30px;
    font-size: 1.1rem;
}

.support-features {
    display: grid;
    gap: 30px;
}

.feature {
    display: flex;
    gap: 15px;
    padding: 20px;
    border-radius: 12px;
    background: white;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

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

.feature-icon {
    font-size: 1.5rem;
}

.feature-content h4 {
    margin: 0 0 10px 0;
    color: var(--primary-color);
}

.feature-content p {
    margin: 0;
    color: var(--light-text);
    font-size: 1rem;
    line-height: 1.6;
}

.overview-image {
    text-align: center;
}

.overview-image img {
    max-width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.contact-methods {
    display: grid;
    gap: 15px;
}

/* 优化文字密集型内?*/
.text-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px 0;
}

.text-content h2 {
    font-size: 1.8rem;
    margin-bottom: 20px;
    color: var(--primary-color);
    text-align: center;
}

.text-content h3 {
    font-size: 1.4rem;
    margin: 25px 0 15px 0;
    color: var(--dark-text);
}

.text-content p {
    margin-bottom: 15px;
    line-height: 1.8;
    font-size: 1.1rem;
}

.content-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin: 40px 0;
}

.grid-item {
    background: white;
    padding: 30px;
    border-radius: 8px;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease;
}

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

.grid-item h3 {
    color: var(--primary-color);
    margin-top: 0;
    margin-bottom: 15px;
}

/* 渠道合作页面整体优化 */
.cooperation-value,
.partner-types,
.cooperation-process,
.cooperation-support,
.cooperation-policy,
.success-stories,
.application-form {
    padding: 100px 0 80px;
    background: var(--light-bg);
    position: relative;
    overflow: hidden;
}

/* 优化各部分之间的过渡 */
.cooperation-value {
    background: linear-gradient(135deg, #f8fafc, #ffffff);
}

.cooperation-process {
    background: white;
    position: relative;
}

.cooperation-process::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
}

.cooperation-support {
    background: #f9fafb;
}

.cooperation-policy {
    background: white;
}

.success-stories {
    background: #f8fafc;
}

.cooperation-policy {
    background: white;
}

.cooperation-process {
    background: white;
}

.success-stories {
    background: var(--light-bg);
}

.section-title {
    text-align: center;
    color: var(--primary-color);
    font-size: 2.2rem;
    margin-bottom: 60px;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    border-radius: 2px;
}

/* 合作政策页面优化 */
.policy-single-card {
    background: white;
    padding: 40px;
    border-radius: 12px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    margin-top: 40px;
    position: relative;
    overflow: hidden;
}

.policy-single-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 5px;
    height: 100%;
    background: linear-gradient(to bottom, var(--primary-color), var(--secondary-color));
}

.policy-item {
    padding: 20px 0;
    border-bottom: 1px dashed var(--border-color);
}

.policy-item:last-child {
    border-bottom: none;
}

.policy-item h3 {
    color: var(--primary-color);
    margin: 0 0 10px 0;
    font-size: 1.3rem;
    padding-left: 15px;
}

.policy-item p {
    color: var(--dark-text);
    line-height: 1.7;
    margin: 0;
    padding-left: 15px;
}

/* 申请合作表单特定调整 */
.application-form {
    background: #f9fafb;
    padding: 80px 0;
}

.form-container {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 40px;
    align-items: stretch;
}

.coop-application {
    background: white;
    padding: 40px;
    border-radius: 12px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.contact-info {
    background: white;
    border-radius: 12px;
    padding: 35px;
    box-shadow: var(--shadow);
    height: 100%;
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
}

.contact-info h3 {
    color: var(--primary-color);
    margin-top: 0;
    margin-bottom: 25px;
    font-size: 1.4rem;
    text-align: center;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--border-color);
}

.contact-item {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 1px dashed var(--border-color);
}

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

.contact-item h4 {
    margin: 0 0 5px 0;
    color: var(--dark-text);
    font-size: 1.1rem;
}

.contact-item p {
    margin: 0;
    color: var(--light-text);
    line-height: 1.5;
}

.qr-code {
    width: 140px;
    height: 140px;
    margin: 15px auto;
    display: block;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    padding: 8px;
    background: white;
    position: relative;
    overflow: hidden;
}

.qr-code::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        linear-gradient(90deg, transparent 49%, rgba(0,0,0,0.1) 49%, rgba(0,0,0,0.1) 51%, transparent 51%),
        linear-gradient(transparent 49%, rgba(0,0,0,0.1) 49%, rgba(0,0,0,0.1) 51%, transparent 51%),
        radial-gradient(circle at 10% 10%, rgba(0,0,0,0.3) 4%, transparent 5%, transparent 12%, rgba(0,0,0,0.3) 16%, rgba(0,0,0,0.3) 20%, transparent 24%),
        radial-gradient(circle at 90% 10%, rgba(0,0,0,0.3) 4%, transparent 5%, transparent 12%, rgba(0,0,0,0.3) 16%, rgba(0,0,0,0.3) 20%, transparent 24%),
        radial-gradient(circle at 10% 90%, rgba(0,0,0,0.3) 4%, transparent 5%, transparent 12%, rgba(0,0,0,0.3) 16%, rgba(0,0,0,0.3) 20%, transparent 24%),
        radial-gradient(circle at 90% 90%, rgba(0,0,0,0.3) 4%, transparent 5%, transparent 12%, rgba(0,0,0,0.3) 16%, rgba(0,0,0,0.3) 20%, transparent 24%),
        radial-gradient(circle at 50% 50%, rgba(0,0,0,0.2) 10%, transparent 11%, transparent 30%, rgba(0,0,0,0.2) 34%, rgba(0,0,0,0.2) 40%, transparent 44%);
    background-size: 20px 20px, 20px 20px, 25% 25%, 25% 25%, 25% 25%, 25% 25%, 50% 50%;
    background-position: 0 0;
}

@media (max-width: 768px) {
    .form-container {
        grid-template-columns: 1fr;
        align-items: stretch;
    }
}

/* 联系页面特定调整 */
.contact-form-section {
    padding: 60px 0;
    background: var(--light-bg);
}

.contact-form-container {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 40px;
    align-items: stretch;
}

@media (max-width: 768px) {
    .contact-form-container {
        grid-template-columns: 1fr;
    }
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
}

.inquiry-type .checkbox-group {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 10px;
    margin-top: 8px;
}

.coop-application .checkbox-group {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
    margin-top: 8px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    padding: 10px 15px;
    background: var(--light-bg);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-bottom: 0;
}

.checkbox-label:hover {
    background: #e6f0ff;
    border-color: var(--secondary-color);
}

.checkbox-label input[type="radio"] {
    margin-right: 8px;
}

.checkbox-label input[type="radio"]:checked {
    accent-color: var(--primary-color);
    border-color: var(--primary-color);
}

.checkbox-label input[type="radio"] {
    width: 16px;
    height: 16px;
    margin: 0 8px 0 0;
}

@media (max-width: 768px) {
    .contact-grid {
        grid-template-columns: 1fr;
    }
    .text-content {
        max-width: 100%;
    }
    
    .inquiry-type .checkbox-group {
        grid-template-columns: 1fr;
    }
    
    .coop-application .checkbox-group {
        grid-template-columns: 1fr;
    }
    
    /* 联系页面响应式调整 */
    .contact-form-section {
        padding: 40px 0;
    }
    
    .contact-form-container {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .contact-form {
        padding: 20px;
    }
    
    .contact-sidebar {
        padding: 20px;
    }
    
    .qr-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: 20px;
    }
    
    .qr-item {
        padding: 20px;
    }
    
    .qr-code {
        width: 150px;
        height: 150px;
        position: relative;
        overflow: hidden;
    }
    
    .qr-code::before {
        content: "";
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: 
            linear-gradient(90deg, transparent 49%, rgba(0,0,0,0.1) 49%, rgba(0,0,0,0.1) 51%, transparent 51%),
            linear-gradient(transparent 49%, rgba(0,0,0,0.1) 49%, rgba(0,0,0,0.1) 51%, transparent 51%),
            radial-gradient(circle at 10% 10%, rgba(0,0,0,0.3) 4%, transparent 5%, transparent 12%, rgba(0,0,0,0.3) 16%, rgba(0,0,0,0.3) 20%, transparent 24%),
            radial-gradient(circle at 90% 10%, rgba(0,0,0,0.3) 4%, transparent 5%, transparent 12%, rgba(0,0,0,0.3) 16%, rgba(0,0,0,0.3) 20%, transparent 24%),
            radial-gradient(circle at 10% 90%, rgba(0,0,0,0.3) 4%, transparent 5%, transparent 12%, rgba(0,0,0,0.3) 16%, rgba(0,0,0,0.3) 20%, transparent 24%),
            radial-gradient(circle at 90% 90%, rgba(0,0,0,0.3) 4%, transparent 5%, transparent 12%, rgba(0,0,0,0.3) 16%, rgba(0,0,0,0.3) 20%, transparent 24%),
            radial-gradient(circle at 50% 50%, rgba(0,0,0,0.2) 10%, transparent 11%, transparent 30%, rgba(0,0,0,0.2) 34%, rgba(0,0,0,0.2) 40%, transparent 44%);
        background-size: 20px 20px, 20px 20px, 25% 25%, 25% 25%, 25% 25%, 25% 25%, 50% 50%;
        background-position: 0 0;
    }
}

/* 快速联系侧边栏样式 */
.contact-sidebar {
    background: white;
    border-radius: 8px;
    padding: 30px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

.quick-contact h3 {
    color: var(--primary-color);
    margin-top: 0;
    margin-bottom: 20px;
    font-size: 1.3rem;
}

.contact-option {
    display: flex;
    gap: 15px;
    margin-bottom: 20px;
    padding-bottom: 20px;
    border-bottom: 1px dashed var(--border-color);
}

.contact-option:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.contact-icon {
    flex-shrink: 0;
}

.contact-icon .icon {
    font-size: 1.5rem;
}

.contact-text h4 {
    margin: 0 0 5px 0;
    color: var(--dark-text);
    font-size: 1rem;
}

.contact-text p {
    margin: 0;
    color: var(--light-text);
    font-size: 0.95rem;
}

.business-hours {
    margin-top: 25px;
    padding-top: 20px;
    border-top: 1px dashed var(--border-color);
}

.business-hours h3 {
    color: var(--primary-color);
    margin-top: 0;
    margin-bottom: 15px;
    font-size: 1.1rem;
}

.business-hours p {
    margin: 5px 0;
    color: var(--light-text);
    font-size: 0.9rem;
}

/* 客服二维码矩阵 */
.qr-matrix {
    padding: 60px 0;
    background: white;
}

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

.qr-item {
    text-align: center;
    padding: 25px;
    border-radius: 12px;
    background: var(--light-bg);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.qr-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
    background: white;
}

.qr-code {
    width: 180px;
    height: 180px;
    margin: 0 auto 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: white;
    border-radius: 8px;
    padding: 10px;
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.qr-code::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        linear-gradient(90deg, transparent 49%, rgba(0,0,0,0.1) 49%, rgba(0,0,0,0.1) 51%, transparent 51%),
        linear-gradient(transparent 49%, rgba(0,0,0,0.1) 49%, rgba(0,0,0,0.1) 51%, transparent 51%),
        radial-gradient(circle at 10% 10%, rgba(0,0,0,0.3) 4%, transparent 5%, transparent 12%, rgba(0,0,0,0.3) 16%, rgba(0,0,0,0.3) 20%, transparent 24%),
        radial-gradient(circle at 90% 10%, rgba(0,0,0,0.3) 4%, transparent 5%, transparent 12%, rgba(0,0,0,0.3) 16%, rgba(0,0,0,0.3) 20%, transparent 24%),
        radial-gradient(circle at 10% 90%, rgba(0,0,0,0.3) 4%, transparent 5%, transparent 12%, rgba(0,0,0,0.3) 16%, rgba(0,0,0,0.3) 20%, transparent 24%),
        radial-gradient(circle at 90% 90%, rgba(0,0,0,0.3) 4%, transparent 5%, transparent 12%, rgba(0,0,0,0.3) 16%, rgba(0,0,0,0.3) 20%, transparent 24%),
        radial-gradient(circle at 50% 50%, rgba(0,0,0,0.2) 10%, transparent 11%, transparent 30%, rgba(0,0,0,0.2) 34%, rgba(0,0,0,0.2) 40%, transparent 44%);
    background-size: 20px 20px, 20px 20px, 25% 25%, 25% 25%, 25% 25%, 25% 25%, 50% 50%;
    background-position: 0 0;
}

.qr-code img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.qr-item h3 {
    color: var(--primary-color);
    margin: 15px 0 10px 0;
    font-size: 1.2rem;
}

.qr-item p {
    color: var(--light-text);
    margin: 0;
    font-size: 0.95rem;
}

/* 优化文字密集型内?*/
.text-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px 0;
}

/* 关于我们页面响应式调整 */
@media (max-width: 768px) {
    .company-intro {
        padding: 60px 0;
    }
    
    .intro-content-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 20px;
    }
    
    .intro-item {
        padding: 35px 25px;
    }
    
    .mission-vision {
        padding: 60px 0;
    }
    
    .milestones {
        padding: 60px 0;
    }
    
    .milestones .content-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: 20px;
    }
    
    .team-showcase {
        padding: 60px 0;
    }
    
    .team-showcase .content-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: 20px;
    }
    
    .company-honors {
        padding: 60px 0;
    }
    
    .company-honors .content-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: 20px;
    }
    
    .join-us {
        padding: 60px 0;
    }
    
    .join-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .join-text h2 {
        font-size: 1.6rem;
    }
    
    .join-text p {
        font-size: 1rem;
    }
}

/* 小屏幕设备 */
@media (max-width: 480px) {
    .intro-content-grid {
        grid-template-columns: 1fr;
    }
    
    .intro-item {
        padding: 30px 20px;
    }
    
    .join-content {
        gap: 20px;
    }
    
    .join-text .btn {
        padding: 12px 25px;
        font-size: 0.9rem;
    }
    
    .stats-grid {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    }
    
    .value-grid {
        grid-template-columns: 1fr;
    }
    
    .process-steps {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .support-grid {
        grid-template-columns: 1fr;
    }
}

/* 产品页面响应式调整 */
@media (max-width: 768px) {
    .products-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 25px;
    }
    
    .product-card {
        height: auto;
    }
    
    .category-tabs {
        gap: 8px;
    }
    
    .tab-btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    .products-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .category-tabs {
        flex-direction: column;
        align-items: center;
    }
    
    .tab-btn {
        width: 100%;
        max-width: 280px;
        padding: 12px;
    }
}

/* 产品操作按钮样式 */
.product-tags {
    margin-bottom: 20px;
}

.tag {
    display: inline-block;
    padding: 4px 12px;
    background: #e2e8f0;
    color: var(--dark-text);
    border-radius: 20px;
    font-size: 0.8rem;
    margin-right: 8px;
    margin-bottom: 5px;
}

.tag:nth-child(1) {
    background: #dbeafe;
    color: #1e40af;
}

.tag:nth-child(2) {
    background: #dcfce7;
    color: #166534;
}

.product-actions {
    margin-top: auto;
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.product-actions .btn {
    flex: 1;
    min-width: 120px;
    margin: 0;
    padding: 10px 15px;
    font-size: 0.9rem;
}

.product-actions .btn-outline {
    flex: 1;
    min-width: 120px;
}

/* 产品特色网格响应式设计 */
@media (max-width: 1024px) {
    .product-features .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .product-features .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .product-features .features-grid {
        grid-template-columns: 1fr;
    }
    
    .solution-features .features-grid {
        grid-template-columns: 1fr;
    }
}

/* 解决方案特色网格响应式设计 */
@media (max-width: 1024px) {
    .solution-features .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .solution-features .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .solution-features .features-grid {
        grid-template-columns: 1fr;
    }
    
    .solutions-category .solutions-grid {
        grid-template-columns: 1fr;
    }
}

/* 解决方案分类网格响应式设计 */
@media (max-width: 1024px) {
    .solutions-category .solutions-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .solutions-category .solutions-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .solutions-category .solutions-grid {
        grid-template-columns: 1fr;
    }
    
    /* 解决方案详情页面响应式规则 */
    .core-features .features-grid {
        grid-template-columns: 1fr;
    }
    
    .use-cases .use-cases-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .hardware-package .hardware-grid {
        grid-template-columns: 1fr;
    }
}

/* 解决方案详情页面响应式设计 */
@media (max-width: 1024px) {
    .core-features .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .use-cases .use-cases-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .hardware-package .hardware-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .core-features .features-grid {
        grid-template-columns: 1fr;
    }
    
    .use-cases .use-cases-grid {
        grid-template-columns: 1fr;
    }
    
    .hardware-package .hardware-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .core-features .features-grid {
        grid-template-columns: 1fr;
    }
    
    .use-cases .use-cases-grid {
        grid-template-columns: 1fr;
    }
    
    .hardware-package .hardware-grid {
        grid-template-columns: 1fr;
    }
    
    /* 首页业务导航响应式规则 */
    .business-nav .nav-items {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* 首页业务导航响应式设计 */
@media (max-width: 1024px) {
    .business-nav .nav-items {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .business-nav .nav-items {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .business-nav .nav-items {
        grid-template-columns: 1fr;
    }
}

/* 渠道合作页面响应式设计 */
@media (max-width: 1024px) {
    .cooperation-value .value-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .cooperation-process .process-steps {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .cooperation-support .support-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .success-stories .stories-grid {
        grid-template-columns: 1fr;
    }
    
    .application-form .form-container {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}

@media (max-width: 768px) {
    .cooperation-value .value-grid {
        grid-template-columns: 1fr;
    }
    
    .cooperation-process .process-steps {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .cooperation-support .support-grid {
        grid-template-columns: 1fr;
    }
    
    .partner-types .types-grid {
        grid-template-columns: 1fr;
    }
    
    .application-form .form-container {
        grid-template-columns: 1fr;
        padding: 60px 0;
    }
}

@media (max-width: 480px) {
    .cooperation-process .process-steps {
        grid-template-columns: 1fr;
    }
    
    .section-title {
        font-size: 1.8rem;
        margin-bottom: 40px;
    }
    
    .cooperation-value,
    .partner-types,
    .cooperation-process,
    .cooperation-support,
    .cooperation-policy,
    .success-stories,
    .application-form {
        padding: 60px 0 40px;
    }
}

/* 餐饮解决方案页面优化 */
.restaurant-solution .solution-overview {
    padding: 80px 0;
    background: linear-gradient(135deg, #f8fafc, #ffffff);
    position: relative;
    overflow: hidden;
}

.restaurant-solution .solution-overview::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
}

.restaurant-solution .content-grid {
    grid-template-columns: repeat(3, 1fr);
}

.restaurant-solution .core-features .features-grid {
    grid-template-columns: repeat(3, 1fr);
}

.restaurant-solution .use-cases .use-cases-grid {
    grid-template-columns: repeat(4, 1fr);
}

.restaurant-solution .hardware-package .hardware-grid {
    grid-template-columns: repeat(3, 1fr);
}

.restaurant-solution .support-grid {
    grid-template-columns: repeat(4, 1fr);
}

.restaurant-solution .feature-card {
    border-top: 3px solid var(--secondary-color);
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

.restaurant-solution .use-case-item {
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

.restaurant-solution .stat-card {
    border-radius: 12px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.restaurant-solution .hardware-item {
    border-radius: 12px;
    overflow: visible;
    box-shadow: 0 5px 15px rgba(0,0,0,0.08);
}

.restaurant-solution .support-item {
    background: white;
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

.restaurant-solution .core-features {
    padding: 100px 0;
    background: #f9fafb;
}

.restaurant-solution .use-cases {
    padding: 100px 0;
    background: white;
}

.restaurant-solution .problems-solved {
    padding: 80px 0;
    background: #f8fafc;
}

.restaurant-solution .hardware-package {
    padding: 100px 0;
    background: white;
}

.restaurant-solution .customer-cases {
    padding: 80px 0;
    background: #f9fafb;
}

.restaurant-solution .support-offering {
    padding: 100px 0;
    background: #f8fafc;
}

.restaurant-solution .cta-section {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    text-align: center;
}

.restaurant-solution .cta-section h2 {
    color: white;
    margin-bottom: 15px;
}

.restaurant-solution .cta-section p {
    color: rgba(255, 255, 255, 0.9);
    max-width: 600px;
    margin: 0 auto 30px;
    font-size: 1.1rem;
}

.restaurant-solution .cta-content .btn {
    margin: 0 10px;
}

.restaurant-solution .section-title {
    position: relative;
    display: inline-block;
    margin-bottom: 60px;
}

.restaurant-solution .section-title::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    border-radius: 2px;
}

/* 餐饮解决方案页面响应式设计 */
@media (max-width: 1024px) {
    .restaurant-solution .content-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .restaurant-solution .content-grid {
        grid-template-columns: 1fr;
    }
    
    .restaurant-solution .section-title {
        margin-bottom: 40px;
    }
}

@media (max-width: 480px) {
    .restaurant-solution .solution-overview {
        padding: 60px 0;
    }
    
    .restaurant-solution .content-grid {
        grid-template-columns: 1fr;
    }
    
    .restaurant-solution .cta-content .btn {
        display: block;
        margin: 10px auto;
        max-width: 200px;
    }
}

/* 零售解决方案页面优化 */
.retail-solution .solution-overview {
    padding: 80px 0;
    background: linear-gradient(135deg, #f8fafc, #ffffff);
    position: relative;
    overflow: hidden;
}

.retail-solution .solution-overview::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
}

.retail-solution .content-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin: 40px 0;
}

.retail-solution .core-features {
    padding: 100px 0;
    background: #f9fafb;
}

.retail-solution .use-cases {
    padding: 100px 0;
    background: white;
}

.retail-solution .problems-solved {
    padding: 80px 0;
    background: #f8fafc;
}

.retail-solution .hardware-package {
    padding: 100px 0;
    background: white;
}

.retail-solution .customer-cases {
    padding: 80px 0;
    background: #f9fafb;
}

.retail-solution .support-offering {
    padding: 100px 0;
    background: #f8fafc;
}

.retail-solution .cta-section {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    text-align: center;
}

.retail-solution .cta-section h2 {
    color: white;
    margin-bottom: 15px;
}

.retail-solution .cta-section p {
    color: rgba(255, 255, 255, 0.9);
    max-width: 600px;
    margin: 0 auto 30px;
    font-size: 1.1rem;
}

.retail-solution .cta-content .btn {
    margin: 0 10px;
}

.retail-solution .section-title {
    position: relative;
    display: inline-block;
    margin-bottom: 60px;
}

.retail-solution .section-title::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    border-radius: 2px;
}

.retail-solution .core-features .features-grid {
    grid-template-columns: repeat(3, 1fr);
}

.retail-solution .use-cases .use-cases-grid {
    grid-template-columns: repeat(4, 1fr);
}

.retail-solution .hardware-package .hardware-grid {
    grid-template-columns: repeat(3, 1fr);
}

.retail-solution .support-grid {
    grid-template-columns: repeat(4, 1fr);
}

.retail-solution .feature-card {
    border-top: 3px solid var(--secondary-color);
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

.retail-solution .use-case-item {
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

.retail-solution .stat-card {
    border-radius: 12px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.retail-solution .hardware-item {
    border-radius: 12px;
    overflow: visible;
    box-shadow: 0 5px 15px rgba(0,0,0,0.08);
}

.retail-solution .support-item {
    background: white;
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

/* 零售解决方案页面响应式设计 */
@media (max-width: 1024px) {
    .retail-solution .content-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .retail-solution .content-grid {
        grid-template-columns: 1fr;
    }
    
    .retail-solution .section-title {
        margin-bottom: 40px;
    }
}

@media (max-width: 480px) {
    .retail-solution .solution-overview {
        padding: 60px 0;
    }
    
    .retail-solution .content-grid {
        grid-template-columns: 1fr;
    }
    
    .retail-solution .cta-content .btn {
        display: block;
        margin: 10px auto;
        max-width: 200px;
    }
}