:root {
    --primary-dark: #0a0a14;
    --primary-light: #1a1a2e;
    --accent: #e63946;
    --accent-light: #ff6b6b;
    --accent-dark: #c1121f;
    --text-light: #f8f9fa;
    --text-gray: #adb5bd;
    --white: #ffffff;
    --transition: all 0.25s cubic-bezier(0.645, 0.045, 0.355, 1);
}

/* 导航栏容器样式 */
#navbar-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
}

/* 页面内容区域上边距，避免被导航栏遮挡 */
body {
    padding-top: 80px;
}

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

body {
    font-family: 'Open Sans', sans-serif;
    background-color: var(--primary-dark);
    color: var(--text-light);
    line-height: 1.6;
    overflow-x: hidden;
    background: linear-gradient(135deg, #0a0a14 0%, #1a1a2e 100%);
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    line-height: 1.2;
}

.container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

section {
    padding: 26px 0;
    position: relative;
}



.cta-button {
    background: transparent;
    color: var(--accent);
    border: 1px solid var(--accent);
    border-radius: 30px;
    padding: 12px 28px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    display: inline-block;
    letter-spacing: 0.5px;
}

.cta-button:hover {
    background: rgba(230, 57, 70, 0.15);
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(230, 57, 70, 0.3);
}

/* 迷你产品Hero区域 */
.mini-hero {
    height: auto;
    padding: 60px 0 80px;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.mini-hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(230,57,70,0.1) 0%, rgba(10,10,20,0) 70%);
    z-index: -1;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 11px;
    align-items: center;
}

.hero-text-content {
    max-width: 600px;
}

.hero-text-content h1 {
    font-size: 48px;
    margin-bottom: 20px;
    line-height: 1.1;
}

.tagline {
    display: inline-block;
    background: rgba(230, 57, 70, 0.15);
    color: var(--accent);
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 20px;
}

.hero-text-content p {
    font-size: 18px;
    color: var(--text-gray);
    margin-bottom: 30px;
    line-height: 1.7;
}

.hero-image {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
    z-index: 2;
}

.hero-image img {
    width: 100%;
    height: auto;
    display: block;
}

.mini-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 50px;
}

.mini-feature {
    display: flex;
    align-items: flex-start;
    gap: 15px;
}

.feature-icon {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    background: rgba(230, 57, 70, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: var(--accent);
    font-size: 20px;
}

.feature-text h4 {
    font-size: 16px;
    margin-bottom: 5px;
}

.feature-text p {
    font-size: 14px;
    color: var(--text-gray);
    margin: 0;
}

/* 产品展示部分 */
.section-title {
    text-align: center;
    margin-bottom: 10px;
}

.section-title h2 {
    font-size: 42px;
    position: relative;
    display: inline-block;
    padding-bottom: 15px;
    margin-bottom: 20px;
}

.section-title h2:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--accent);
    border-radius: 2px;
}

.section-subtitle {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px;
    color: var(--text-gray);
    font-size: 16px;
}

.mini-products {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.product-card {
    background: rgba(26, 26, 46, 0.5);
    border-radius: 12px;
    overflow: hidden;
    transition: var(--transition);
    position: relative;
    z-index: 1;
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(230, 57, 70, 0.25);
    z-index: 10;
}

.product-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background: var(--accent);
    color: white;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    z-index: 2;
}

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

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.product-card:hover .product-image img {
    transform: scale(1.1);
}

.product-content {
    padding: 25px;
}

.product-content h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: var(--text-light);
}

.product-content p {
    color: var(--text-gray);
    margin-bottom: 20px;
    font-size: 15px;
    line-height: 1.6;
}

.product-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.product-price {
    font-size: 18px;
    font-weight: 700;
    color: var(--accent);
}

.product-link {
    color: var(--text-light);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 5px;
}

.product-link:hover {
    color: var(--accent);
}

/* 技术优势部分 */
.advantages {
    background: rgba(26, 26, 46, 0.3);
    padding: 100px 0;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.advantage-card {
    background: rgba(10, 10, 20, 0.5);
    border-radius: 12px;
    padding: 20px;
    transition: var(--transition);
    position: relative;
    z-index: 1;
    border: 1px solid rgba(230, 57, 70, 0.1);
}

.advantage-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 30px rgba(230, 57, 70, 0.25);
    border-color: rgba(230, 57, 70, 0.3);
    z-index: 10;
}

.advantage-icon {
    width: 48px;
    height: 48px;
    border-radius: 10px;
    background: rgba(230, 57, 70, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 15px;
    color: var(--accent);
    font-size: 20px;
}

.advantage-card h3 {
    font-size: 18px;
    margin-bottom: 10px;
    color: var(--text-light);
}

.advantage-card p {
    color: var(--text-gray);
    font-size: 14px;
    line-height: 1.5;
}

/* 产品参数部分 */
#specifications {
    padding: 100px 0;
}

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

/* 产品标签样式 */
.product-tabs {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 40px;
}

.product-tab {
    padding: 12px 30px;
    background: rgba(26, 26, 46, 0.5);
    color: var(--text-gray);
    border-radius: 30px;
    cursor: pointer;
    transition: var(--transition);
    font-weight: 600;
    border: 2px solid transparent;
}

.product-tab:hover {
    color: var(--accent);
    background: rgba(26, 26, 46, 0.8);
}

.product-tab.active {
    background: var(--accent);
    color: white;
    border-color: var(--accent);
}

/* 内容包装器 */
.spec-content-wrapper {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 40px;
    background: rgba(26, 26, 46, 0.3);
    border-radius: 16px;
    padding: 30px;
    border: 1px solid rgba(230, 57, 70, 0.1);
}

/* 响应式设计 - 手机设备 */
@media (max-width: 768px) {
    #specifications {
        padding: 20px 0;
        margin: 0;
        width: 100%;
    }
    
    .spec-content-wrapper {
        grid-template-columns: 1fr;
        gap: 8px;
        padding: 8px 5px;
        border-radius: 8px;
        width: 98%;
        margin: 0 auto;
        max-width: none;
    }
    
    .spec-image-container {
        min-height: 200px;
    }
    
    .spec-details {
        max-height: none;
        padding-right: 0;
        width: 100%;
    }
    
    .product-content.active {
        width: 100%;
        padding: 0;
    }
    
    .spec-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 6px;
        padding: 6px;
        width: 100%;
        margin: 0;
    }
    
    .product-tabs {
        flex-direction: column;
        gap: 5px;
        margin-bottom: 10px;
        width: 100%;
        padding: 0;
    }
    
    .product-tab {
        text-align: center;
        padding: 5px 10px;
        font-size: 12px;
        width: 100%;
    }
    
    .spec-section {
        width: 100%;
        margin: 0;
    }
    
    .section-header {
        padding: 6px 8px;
        font-size: 12px;
        width: 100%;
    }
    
    .section-content {
        padding: 8px 6px;
        width: 100%;
    }
    
    .spec-item,
    .compact-row {
        padding: 4px 3px;
        margin: 0;
    }
    
    /* 统一所有参数字体大小，确保完全一致并增大字体以便手机清晰显示 */
    .spec-name,
    .compact-name,
    .spec-value,
    .compact-value {
        font-size: 14px !important;
        line-height: 1.3 !important;
        margin: 0 !important;
        padding: 0 !important;
        word-break: break-all;
        display: block;
    }
    
    /* 确保spec-item内部布局一致 */
    .spec-item {
        display: flex;
        flex-direction: column;
        gap: 2px;
    }
    
    /* 确保compact-row内部布局一致 */
    .compact-row {
        display: flex;
        justify-content: space-between;
        align-items: center;
    }
    
    .spec-item {
        display: flex;
        flex-direction: column;
        gap: 2px;
    }
    
    /* 移除可能影响宽度的容器 */
    body {
        overflow-x: hidden;
    }
    
    /* 确保内容不被裁剪 */
    * {
        box-sizing: border-box;
    }
}

/* 产品图片区域 */
.spec-image-section {
    position: relative;
}

.spec-image-container {
    width: 100%;
    height: 100%;
    min-height: 400px;
    border-radius: 12px;
    overflow: hidden;
    background: rgba(10, 10, 20, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
}

.image-placeholder {
    text-align: center;
    color: var(--text-gray);
    padding: 20px;
}

.image-placeholder i {
    font-size: 48px;
    margin-bottom: 20px;
    color: rgba(230, 57, 70, 0.3);
}

.image-placeholder p {
    font-size: 16px;
}

/* 参数详情区域 */
.spec-details {
    overflow-y: auto;
    max-height: 600px;
    padding-right: 10px;
}

.spec-details::-webkit-scrollbar {
    width: 8px;
}

.spec-details::-webkit-scrollbar-track {
    background: rgba(26, 26, 46, 0.5);
    border-radius: 4px;
}

.spec-details::-webkit-scrollbar-thumb {
    background: var(--accent);
    border-radius: 4px;
}

/* 使用更具体的选择器避免覆盖产品卡片样式 */
.spec-details .product-content {
    display: none;
}

.spec-details .product-content.active {
    display: block;
}

/* 规格部分样式 */
.spec-section {
    margin-bottom: 25px;
    background: rgba(10, 10, 20, 0.5);
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid rgba(230, 57, 70, 0.1);
}

.section-header {
    padding: 15px 20px;
    background: rgba(230, 57, 70, 0.15);
    color: var(--text-light);
    font-weight: 600;
    cursor: pointer;
    position: relative;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.section-header:hover {
    background: rgba(230, 57, 70, 0.25);
}

.section-header::after {
    content: '\f107';
    font-family: 'Font Awesome 5 Free';
    font-weight: 900;
    position: absolute;
    right: 20px;
    transition: transform 0.3s ease;
}

.section-header.active::after {
    transform: rotate(180deg);
}

.section-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.section-content.active {
    max-height: 500px;
}

/* 规格网格样式 */
.spec-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    padding: 20px;
}

/* 响应式优化 - 平板设备 */
@media (max-width: 992px) and (min-width: 769px) {
    .spec-content-wrapper {
        grid-template-columns: 1fr;
    }
    
    .spec-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
}

.spec-item {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.spec-name {
    font-weight: 600;
    color: var(--text-light);
    font-size: 14px;
}

.spec-value {
    color: var(--text-gray);
    font-size: 14px;
}

/* 紧凑行样式 */
.compact-row {
    display: flex;
    justify-content: space-between;
    padding: 12px 20px;
    border-bottom: 1px solid rgba(173, 181, 189, 0.1);
    align-items: flex-start;
    flex-wrap: wrap;
}

.compact-row:last-child {
    border-bottom: none;
}

.compact-name {
    font-weight: 600;
    color: var(--text-light);
    flex-shrink: 0;
    min-width: 120px;
}

.compact-value {
    color: var(--text-gray);
    flex: 1;
    margin-left: 20px;
    word-break: break-word;
    white-space: normal;
    min-width: 200px;
}

/* 应用场景部分 */
.applications {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.app-card {
    background: rgba(26, 26, 46, 0.5);
    border-radius: 12px;
    overflow: hidden;
    transition: var(--transition);
    position: relative;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(230, 57, 70, 0.1);
}

.app-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(230, 57, 70, 0.25);
    border-color: rgba(230, 57, 70, 0.3);
}

.app-image {
    height: 200px;
    position: relative;
    overflow: hidden;
}

.app-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.app-card:hover .app-image img {
    transform: scale(1.1);
}

.app-content {
    padding: 25px;
}

.app-content h3 {
    font-size: 20px;
    margin-bottom: 10px;
    color: var(--text-light);
}

.app-content p {
    color: var(--text-gray);
    margin-bottom: 15px;
    font-size: 15px;
}

/* CTA部分 */
.cta-section {
    background: linear-gradient(90deg, var(--accent-dark), var(--accent));
    padding: 100px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-content {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.cta-content h2 {
    font-size: 42px;
    margin-bottom: 20px;
    color: white;
}

.cta-content p {
    font-size: 20px;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

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

.cta-button-light {
    background: white;
    color: var(--accent);
    border: none;
    border-radius: 30px;
    padding: 16px 38px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    display: inline-block;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.cta-button-light:hover {
    background: rgba(255, 255, 255, 0.9);
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.cta-button-dark {
    background: transparent;
    color: white;
    border: 2px solid white;
    border-radius: 30px;
    padding: 16px 38px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    display: inline-block;
}

.cta-button-dark:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-5px);
}

/* 页脚 */
footer {
    background: #050510;
    padding: 100px 0 30px;
    position: relative;
}

footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    margin-bottom: 60px;
}

.footer-column h3 {
    font-size: 20px;
    margin-bottom: 25px;
    position: relative;
    padding-bottom: 10px;
    color: var(--text-light);
}

.footer-column h3:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 3px;
    background: var(--accent);
    border-radius: 2px;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 12px;
    display: flex;
    align-items: center;
}

.footer-links i {
    color: var(--accent);
    margin-right: 10px;
    width: 20px;
}

.footer-links a {
    color: var(--text-gray);
    text-decoration: none;
    transition: var(--transition);
    display: inline-block;
}

.footer-links a:hover {
    color: var(--accent);
    transform: translateX(5px);
}

.social-links {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.social-links a {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: rgba(173, 181, 189, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--accent);
    color: white;
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(230, 57, 70, 0.3);
}

.copyright {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(136, 146, 176, 0.1);
    color: var(--text-gray);
    font-size: 14px;
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-text-content {
        order: 1;
        margin-top: 50px;
    }
    
    .mini-features {
        grid-template-columns: repeat(2, 1fr);
        max-width: 600px;
        margin: 40px auto 0;
    }
    
    .applications {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 992px) {
    .mini-products {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 18px;
    }
    
    .advantage-card {
        padding: 18px;
    }
    
    .advantage-icon {
        width: 44px;
        height: 44px;
        font-size: 18px;
    }
    
    .advantage-card h3 {
        font-size: 17px;
    }
    
    .advantage-card p {
        font-size: 13px;
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .navbar {
        padding: 15px 20px;
    }

    /* Hero区域响应式调整 */
    .hero-content {
        grid-template-columns: 1fr;
        gap: 30px;
        text-align: center;
    }
    
    .hero-text-content {
        max-width: 100%;
    }
    
    .hero-text-content h1 {
        font-size: 36px;
    }
    
    .hero-text-content p {
        font-size: 16px;
    }
    
    .hero-image {
        max-width: 90%;
        margin: 0 auto;
    }
    
    .mini-features, .applications {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin: 30px auto 0;
    }
    
    /* 功能特点区域响应式优化 */
    .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
        margin: 0 auto;
    }
    
    .advantage-card {
        padding: 15px;
    }
    
    .advantage-icon {
        width: 40px;
        height: 40px;
        font-size: 16px;
        margin-bottom: 10px;
    }
    
    .advantage-card h3 {
        font-size: 15px;
        margin-bottom: 8px;
    }
    
    .advantage-card p {
        font-size: 12px;
    }
    
    .mini-feature {
        padding: 15px;
        background: rgba(10, 10, 20, 0.3);
        border-radius: 12px;
        border: 1px solid rgba(230, 57, 70, 0.1);
    }
    
    .feature-icon {
        width: 45px;
        height: 45px;
        font-size: 18px;
    }
    
    .feature-text h4 {
        font-size: 15px;
    }
    
    .feature-text p {
        font-size: 13px;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .mini-hero {
        height: auto;
        padding: 13px 0 80px;
    }
}

@media (max-width: 768px) {
    .navbar {
        padding: 15px 20px;
    }

    
    .mini-features {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin: 30px auto 0;
    }
    
    .mini-feature {
        padding: 15px;
        background: rgba(10, 10, 20, 0.3);
        border-radius: 12px;
        border: 1px solid rgba(230, 57, 70, 0.1);
    }
    
    .feature-icon {
        width: 45px;
        height: 45px;
        font-size: 18px;
    }
    
    .feature-text h4 {
        font-size: 15px;
    }
    
    .feature-text p {
        font-size: 13px;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .mini-hero {
        height: auto;
        padding: 13px 0 80px;
    }
}

@media (max-width: 576px) {
    .hero-text-content h1 {
        font-size: 28px;
        line-height: 1.2;
    }
    
    .section-title h2 {
        font-size: 24px;
    }
    
    .tagline {
        font-size: 12px;
        padding: 4px 12px;
    }
    
    .hero-text-content p {
        font-size: 14px;
        line-height: 1.6;
    }
    
    .cta-button {
        padding: 10px 24px;
        font-size: 14px;
    }
    
    /* 优化mini-features为一行三列布局 */
    .mini-features {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 12px;
        max-width: 100%;
        margin: 25px auto 0;
        padding: 0;
        overflow: visible;
    }
    
    .mini-feature {
        display: flex;
        flex-direction: column;
        align-items: center;
        text-align: center;
        padding: 10px;
        background: rgba(10, 10, 20, 0.3);
        border-radius: 8px;
        border: 1px solid rgba(230, 57, 70, 0.1);
        width: 100%;
        gap: 8px;
    }
    
    .feature-icon {
        width: 36px;
        height: 36px;
        font-size: 14px;
        border-radius: 8px;
        margin-right: 0;
    }
    
    .feature-text h4 {
        font-size: 13px;
        margin-bottom: 2px;
    }
    
    .feature-text p {
        font-size: 11px;
        line-height: 1.3;
    }
    
    .hero-content {
        gap: 20px;
    }
    
    .hero-image {
        max-width: 95%;
        border-radius: 12px;
    }
    
    .mini-hero {
        padding: 20px 0 60px;
    }
    
    .mini-feature {
        padding: 12px;
        flex-direction: column;
        align-items: center;
        text-align: center;
        gap: 10px;
    }
    
    .feature-icon {
        width: 40px;
        height: 40px;
        font-size: 16px;
        margin-bottom: 0;
    }
    
    .feature-text h4 {
        font-size: 14px;
        margin-bottom: 3px;
    }
    
    .feature-text p {
        font-size: 12px;
    }
    
    .mini-products {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    /* 优化手机端advantages布局为三列，更紧凑 */
    .advantages-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 10px;
    }
    
    .advantage-card {
        padding: 10px;
        display: flex;
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    
    .advantage-icon {
        width: 32px;
        height: 32px;
        font-size: 14px;
        margin-bottom: 6px;
    }
    
    .advantage-card h3 {
        font-size: 13px;
        margin-bottom: 4px;
        line-height: 1.3;
    }
    
    .advantage-card p {
        font-size: 10px;
        line-height: 1.2;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
}