/* 黑料网 heiliao-dew - 主样式文件 */
/* 版本: 1.0.0 | 更新时间: 2025-01-07 */

/* ========== 基础重置与变量 ========== */
:root {
    --vs-primary: #1a73e8;
    --vs-primary-dark: #1557b0;
    --vs-secondary: #ff6b35;
    --vs-dark: #1f2937;
    --vs-gray: #6b7280;
    --vs-light: #f3f4f6;
    --vs-white: #ffffff;
    --vs-border: #e5e7eb;
    --vs-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --vs-radius: 8px;
    --vs-transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    color: var(--vs-dark);
    background-color: var(--vs-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

ul, ol {
    list-style: none;
}

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

/* ========== 容器与布局 ========== */
.vs-container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

.vs-section {
    padding: 60px 0;
}

.vs-section-header {
    text-align: center;
    margin-bottom: 40px;
}

.vs-section-title {
    font-size: 28px;
    font-weight: 700;
    color: var(--vs-dark);
    margin-bottom: 10px;
    position: relative;
    display: inline-block;
}

.vs-section-title::before,
.vs-section-title::after {
    content: "";
    position: absolute;
    top: 50%;
    width: 60px;
    height: 2px;
    background: var(--vs-primary);
}

.vs-section-title::before {
    right: calc(100% + 20px);
}

.vs-section-title::after {
    left: calc(100% + 20px);
}

.vs-section-subtitle {
    font-size: 14px;
    color: var(--vs-gray);
    text-transform: uppercase;
    letter-spacing: 2px;
}

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

.vs-header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.vs-logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.vs-logo-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--vs-primary), var(--vs-secondary));
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--vs-white);
    font-weight: bold;
    font-size: 18px;
}

.vs-logo-text {
    font-size: 22px;
    font-weight: 700;
    color: var(--vs-primary);
}

.vs-logo-text span {
    color: var(--vs-secondary);
}

.vs-nav {
    display: flex;
    align-items: center;
    gap: 5px;
}

.vs-nav-item {
    padding: 10px 18px;
    font-size: 15px;
    color: var(--vs-dark);
    border-radius: var(--vs-radius);
    transition: var(--vs-transition);
}

.vs-nav-item:hover,
.vs-nav-item.active {
    color: var(--vs-primary);
    background: rgba(26, 115, 232, 0.1);
}

.vs-search-box {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 15px;
    background: var(--vs-light);
    border-radius: 20px;
    border: 1px solid var(--vs-border);
}

.vs-search-input {
    border: none;
    background: transparent;
    outline: none;
    font-size: 14px;
    width: 120px;
}

.vs-search-btn {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--vs-gray);
}

.vs-mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 10px;
}

.vs-mobile-toggle span {
    width: 25px;
    height: 3px;
    background: var(--vs-dark);
    border-radius: 2px;
    transition: var(--vs-transition);
}

/* ========== Banner轮播 ========== */
.vs-banner {
    position: relative;
    height: 600px;
    margin-top: 70px;
    overflow: hidden;
    background: linear-gradient(135deg, #0f172a 0%, #1e3a5f 50%, #0f172a 100%);
}

.vs-banner-slides {
    position: relative;
    height: 100%;
}

.vs-banner-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.8s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.vs-banner-slide.active {
    opacity: 1;
}

.vs-banner-content {
    text-align: center;
    color: var(--vs-white);
    z-index: 10;
    padding: 0 20px;
}

.vs-banner-title {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.vs-banner-desc {
    font-size: 18px;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto 30px;
    line-height: 1.8;
}

.vs-banner-btn {
    display: inline-block;
    padding: 15px 40px;
    background: var(--vs-primary);
    color: var(--vs-white);
    border-radius: 30px;
    font-size: 16px;
    font-weight: 600;
    transition: var(--vs-transition);
}

.vs-banner-btn:hover {
    background: var(--vs-secondary);
    transform: translateY(-3px);
}

.vs-banner-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.2);
    border: none;
    border-radius: 50%;
    color: var(--vs-white);
    font-size: 24px;
    cursor: pointer;
    transition: var(--vs-transition);
    z-index: 20;
}

.vs-banner-nav:hover {
    background: var(--vs-primary);
}

.vs-banner-prev {
    left: 30px;
}

.vs-banner-next {
    right: 30px;
}

.vs-banner-dots {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 20;
}

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

.vs-banner-dot.active {
    background: var(--vs-primary);
    transform: scale(1.2);
}

/* ========== 快捷入口 ========== */
.vs-quick-entry {
    background: var(--vs-primary);
    padding: 0;
    margin-top: -50px;
    position: relative;
    z-index: 30;
}

.vs-quick-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
}

.vs-quick-item {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    padding: 30px 20px;
    color: var(--vs-white);
    border-right: 1px solid rgba(255, 255, 255, 0.2);
    transition: var(--vs-transition);
}

.vs-quick-item:last-child {
    border-right: none;
}

.vs-quick-item:hover {
    background: rgba(0, 0, 0, 0.1);
}

.vs-quick-icon {
    font-size: 36px;
}

.vs-quick-text {
    font-size: 16px;
    font-weight: 600;
}

/* ========== 服务体系 ========== */
.vs-service {
    background: var(--vs-white);
}

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

.vs-service-card {
    background: var(--vs-white);
    border-radius: var(--vs-radius);
    overflow: hidden;
    box-shadow: var(--vs-shadow);
    transition: var(--vs-transition);
}

.vs-service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.vs-service-img {
    height: 200px;
    background: var(--vs-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 60px;
    color: var(--vs-primary);
}

.vs-service-info {
    padding: 25px;
}

.vs-service-name {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--vs-dark);
}

.vs-service-desc {
    font-size: 14px;
    color: var(--vs-gray);
    line-height: 1.8;
}

/* ========== 作品展示 ========== */
.vs-works {
    background: var(--vs-light);
}

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

.vs-works-card {
    position: relative;
    border-radius: var(--vs-radius);
    overflow: hidden;
    box-shadow: var(--vs-shadow);
}

.vs-works-thumb {
    height: 250px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--vs-white);
    font-size: 48px;
}

.vs-works-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 20px;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    color: var(--vs-white);
}

.vs-works-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 5px;
}

.vs-works-meta {
    font-size: 13px;
    opacity: 0.8;
}

/* ========== 行业应用 ========== */
.vs-industry {
    background: linear-gradient(135deg, #1a73e8 0%, #0d47a1 100%);
    color: var(--vs-white);
}

.vs-industry .vs-section-title {
    color: var(--vs-white);
}

.vs-industry .vs-section-title::before,
.vs-industry .vs-section-title::after {
    background: var(--vs-white);
}

.vs-industry .vs-section-subtitle {
    color: rgba(255, 255, 255, 0.7);
}

.vs-industry-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
}

.vs-industry-card {
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--vs-radius);
    padding: 30px 20px;
    text-align: center;
    transition: var(--vs-transition);
    backdrop-filter: blur(10px);
}

.vs-industry-card:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-5px);
}

.vs-industry-icon {
    font-size: 48px;
    margin-bottom: 15px;
}

.vs-industry-name {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 10px;
}

.vs-industry-intro {
    font-size: 14px;
    opacity: 0.9;
    line-height: 1.7;
}

/* ========== 新闻动态 ========== */
.vs-news {
    background: var(--vs-white);
}

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

.vs-news-card {
    background: var(--vs-white);
    border-radius: var(--vs-radius);
    overflow: hidden;
    box-shadow: var(--vs-shadow);
    transition: var(--vs-transition);
}

.vs-news-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.vs-news-thumb {
    height: 180px;
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--vs-white);
    font-size: 36px;
}

.vs-news-info {
    padding: 20px;
}

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

.vs-news-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--vs-dark);
    margin-bottom: 10px;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

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

.vs-news-more {
    display: block;
    text-align: center;
    margin-top: 40px;
}

.vs-btn {
    display: inline-block;
    padding: 12px 35px;
    background: var(--vs-primary);
    color: var(--vs-white);
    border-radius: 30px;
    font-size: 15px;
    font-weight: 600;
    transition: var(--vs-transition);
    border: 2px solid var(--vs-primary);
}

.vs-btn:hover {
    background: transparent;
    color: var(--vs-primary);
}

.vs-btn-outline {
    background: transparent;
    color: var(--vs-primary);
}

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

/* ========== 荣誉资质 ========== */
.vs-honor {
    background: var(--vs-light);
}

.vs-honor-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
}

.vs-honor-item {
    background: var(--vs-white);
    border-radius: var(--vs-radius);
    padding: 30px 15px;
    text-align: center;
    box-shadow: var(--vs-shadow);
    transition: var(--vs-transition);
}

.vs-honor-item:hover {
    transform: scale(1.05);
}

.vs-honor-icon {
    font-size: 48px;
    color: var(--vs-secondary);
    margin-bottom: 15px;
}

.vs-honor-name {
    font-size: 14px;
    color: var(--vs-dark);
    font-weight: 500;
}

/* ========== 合作伙伴 ========== */
.vs-partners {
    background: var(--vs-white);
}

.vs-partners-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 30px;
    align-items: center;
}

.vs-partner-item {
    background: var(--vs-light);
    border-radius: var(--vs-radius);
    padding: 25px;
    text-align: center;
    transition: var(--vs-transition);
}

.vs-partner-item:hover {
    box-shadow: var(--vs-shadow);
}

.vs-partner-logo {
    font-size: 14px;
    color: var(--vs-gray);
    font-weight: 600;
}

/* ========== 底部Footer ========== */
.vs-footer {
    background: var(--vs-dark);
    color: var(--vs-white);
    padding: 60px 0 0;
}

.vs-footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.vs-footer-brand {
    margin-bottom: 20px;
}

.vs-footer-logo {
    font-size: 24px;
    font-weight: 700;
    color: var(--vs-white);
    margin-bottom: 15px;
}

.vs-footer-logo span {
    color: var(--vs-secondary);
}

.vs-footer-intro {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.8;
    margin-bottom: 20px;
}

.vs-footer-qrcode {
    display: flex;
    gap: 20px;
}

.vs-qrcode-item {
    text-align: center;
}

.vs-qrcode-img {
    width: 100px;
    height: 100px;
    background: var(--vs-white);
    border-radius: var(--vs-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 8px;
    font-size: 12px;
    color: var(--vs-gray);
}

.vs-qrcode-text {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.7);
}

.vs-footer-title {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--vs-white);
}

.vs-footer-links {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.vs-footer-link {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    transition: var(--vs-transition);
}

.vs-footer-link:hover {
    color: var(--vs-primary);
}

.vs-footer-contact p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 12px;
    line-height: 1.6;
}

.vs-footer-contact strong {
    color: var(--vs-white);
}

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

.vs-social-link {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--vs-white);
    font-size: 18px;
    transition: var(--vs-transition);
}

.vs-social-link:hover {
    background: var(--vs-primary);
}

.vs-footer-bottom {
    padding: 20px 0;
    text-align: center;
}

.vs-copyright {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.5);
}

.vs-copyright a {
    color: rgba(255, 255, 255, 0.7);
}

.vs-copyright a:hover {
    color: var(--vs-primary);
}

/* ========== 面包屑导航 ========== */
.vs-breadcrumb {
    background: var(--vs-light);
    padding: 15px 0;
    margin-top: 70px;
}

.vs-breadcrumb-list {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
}

.vs-breadcrumb-item {
    color: var(--vs-gray);
}

.vs-breadcrumb-item a {
    color: var(--vs-gray);
}

.vs-breadcrumb-item a:hover {
    color: var(--vs-primary);
}

.vs-breadcrumb-sep {
    color: var(--vs-gray);
}

/* ========== 内容页样式 ========== */
.vs-page-header {
    background: linear-gradient(135deg, var(--vs-primary) 0%, var(--vs-primary-dark) 100%);
    padding: 60px 0;
    margin-top: 70px;
    color: var(--vs-white);
    text-align: center;
}

.vs-page-title {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 10px;
}

.vs-page-subtitle {
    font-size: 16px;
    opacity: 0.9;
}

.vs-content {
    padding: 60px 0;
}

.vs-content-main {
    max-width: 900px;
    margin: 0 auto;
}

.vs-article {
    background: var(--vs-white);
    border-radius: var(--vs-radius);
    padding: 40px;
    box-shadow: var(--vs-shadow);
}

.vs-article-header {
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--vs-border);
}

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

.vs-article-meta {
    display: flex;
    gap: 20px;
    font-size: 14px;
    color: var(--vs-gray);
}

.vs-article-content {
    font-size: 16px;
    line-height: 1.9;
    color: var(--vs-dark);
}

.vs-article-content p {
    margin-bottom: 20px;
}

.vs-article-content h2,
.vs-article-content h3 {
    margin: 30px 0 15px;
    color: var(--vs-dark);
}

/* ========== 列表页样式 ========== */
.vs-list-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.vs-list-card {
    background: var(--vs-white);
    border-radius: var(--vs-radius);
    overflow: hidden;
    box-shadow: var(--vs-shadow);
    transition: var(--vs-transition);
}

.vs-list-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.vs-list-thumb {
    height: 200px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--vs-white);
    font-size: 48px;
}

.vs-list-info {
    padding: 25px;
}

.vs-list-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--vs-dark);
    margin-bottom: 10px;
}

.vs-list-desc {
    font-size: 14px;
    color: var(--vs-gray);
    line-height: 1.7;
}

/* ========== 分页 ========== */
.vs-pagination {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 40px;
}

.vs-page-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--vs-white);
    border: 1px solid var(--vs-border);
    border-radius: var(--vs-radius);
    color: var(--vs-dark);
    font-size: 14px;
    transition: var(--vs-transition);
}

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

/* ========== 响应式设计 ========== */
@media screen and (max-width: 1024px) {
    .vs-service-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .vs-industry-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .vs-honor-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .vs-partners-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .vs-footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media screen and (max-width: 768px) {
    html {
        font-size: 14px;
    }
    
    .vs-header-inner {
        height: 60px;
    }
    
    .vs-nav {
        position: fixed;
        top: 60px;
        left: 0;
        right: 0;
        background: var(--vs-white);
        flex-direction: column;
        padding: 20px;
        box-shadow: var(--vs-shadow);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--vs-transition);
    }
    
    .vs-nav.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .vs-nav-item {
        width: 100%;
        text-align: center;
        padding: 15px;
    }
    
    .vs-search-box {
        display: none;
    }
    
    .vs-mobile-toggle {
        display: flex;
    }
    
    .vs-banner {
        height: 450px;
        margin-top: 60px;
    }
    
    .vs-banner-title {
        font-size: 28px;
    }
    
    .vs-banner-desc {
        font-size: 14px;
    }
    
    .vs-banner-nav {
        width: 40px;
        height: 40px;
        font-size: 18px;
    }
    
    .vs-banner-prev {
        left: 10px;
    }
    
    .vs-banner-next {
        right: 10px;
    }
    
    .vs-quick-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .vs-quick-item {
        border-right: none;
        border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    }
    
    .vs-quick-item:nth-child(odd) {
        border-right: 1px solid rgba(255, 255, 255, 0.2);
    }
    
    .vs-section {
        padding: 40px 0;
    }
    
    .vs-section-title {
        font-size: 22px;
    }
    
    .vs-section-title::before,
    .vs-section-title::after {
        width: 30px;
    }
    
    .vs-service-grid,
    .vs-works-grid,
    .vs-news-grid,
    .vs-list-grid {
        grid-template-columns: 1fr;
    }
    
    .vs-industry-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
    
    .vs-honor-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .vs-partners-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 15px;
    }
    
    .vs-footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .vs-footer-qrcode {
        justify-content: center;
    }
    
    .vs-footer-social {
        justify-content: center;
    }
    
    .vs-breadcrumb {
        margin-top: 60px;
    }
    
    .vs-page-header {
        margin-top: 60px;
        padding: 40px 0;
    }
    
    .vs-page-title {
        font-size: 26px;
    }
    
    .vs-article {
        padding: 25px;
    }
    
    .vs-article-title {
        font-size: 22px;
    }
}

@media screen and (max-width: 480px) {
    .vs-banner {
        height: 380px;
    }
    
    .vs-banner-title {
        font-size: 24px;
    }
    
    .vs-quick-grid {
        grid-template-columns: 1fr;
    }
    
    .vs-quick-item {
        border-right: none;
    }
    
    .vs-industry-grid {
        grid-template-columns: 1fr;
    }
    
    .vs-honor-grid {
        grid-template-columns: 1fr;
    }
    
    .vs-partners-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ========== 懒加载占位 ========== */
.vs-lazy {
    opacity: 0;
    transition: opacity 0.5s ease;
}

.vs-lazy.loaded {
    opacity: 1;
}

/* ========== 动画效果 ========== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.vs-animate {
    animation: fadeInUp 0.6s ease forwards;
}

/* ========== 返回顶部 ========== */
.vs-back-top {
    position: fixed;
    right: 30px;
    bottom: 30px;
    width: 50px;
    height: 50px;
    background: var(--vs-primary);
    color: var(--vs-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--vs-transition);
    z-index: 999;
}

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

.vs-back-top:hover {
    background: var(--vs-secondary);
    transform: translateY(-5px);
}