/* 硕创科技官网样式 V6 - 对标CCN中商yesno.com.cn风格 */

/* 基础重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Source Han Sans SC', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', sans-serif;
    color: #333333;
    line-height: 1.6;
    background: #ffffff;
    font-size: 14px;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

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

/* ========================================
   CSS变量 - V6配色方案
   ======================================== */
:root {
    --primary: #1a5cb0;
    --primary-light: #3a85e0;
    --primary-dark: #14508e;
    --accent: #e6a817;
    --accent-hover: #d19a00;
    --bg-light: #f5f7fa;
    --text-primary: #333333;
    --text-secondary: #666666;
    --white: #FFFFFF;
    --footer-dark: #0d1b4c;
    --border-color: #e8e8e8;
}

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

/* 区块标题 */
.section-title-v6 {
    text-align: center;
    margin-bottom: 50px;
}

.section-title-v6 h2 {
    font-size: 32px;
    color: var(--primary);
    font-weight: 700;
    margin-bottom: 12px;
}

.section-title-v6 p {
    color: var(--text-secondary);
    font-size: 16px;
}

/* ========================================
   区块1: 顶部固定导航
   ======================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--primary);
    height: 70px;
}

.header-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.header-logo img {
    height: 36px;
    width: auto;
}

.nav-menu {
    display: flex;
    gap: 35px;
}

.nav-menu a {
    color: var(--white);
    font-size: 15px;
    padding: 5px 0;
    position: relative;
    transition: opacity 0.3s;
}

.nav-menu a:hover {
    opacity: 0.85;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--accent);
    transition: width 0.3s;
}

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

.header-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

.btn-consult {
    background: var(--accent);
    color: var(--white);
    padding: 10px 24px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s;
    white-space: nowrap;
}

.btn-consult:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
}

/* 副导航条 */
.header-sub {
    background: var(--primary-dark);
    padding: 8px 0;
    text-align: center;
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    z-index: 999;
}

.header-sub-content {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 15px;
    font-size: 13px;
    color: rgba(255,255,255,0.9);
}

.sub-tag {
    background: var(--accent);
    padding: 2px 10px;
    border-radius: 10px;
    font-size: 14px;
}

.sub-divider {
    opacity: 0.5;
}

/* ========================================
   区块2: Hero大横幅 V6
   ======================================== */
.hero-v6 {
    margin-top: 108px;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    min-height: 580px;
    display: flex;
    align-items: center;
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-left {
    color: var(--white);
}

.hero-title {
    font-size: 44px;
    font-weight: 700;
    line-height: 1.25;
    margin-bottom: 20px;
}

.hero-subtitle {
    font-size: 17px;
    opacity: 0.9;
    margin-bottom: 35px;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 15px;
}

.btn-hero {
    display: inline-block;
    background: var(--white);
    color: var(--primary);
    padding: 14px 32px;
    border-radius: 25px;
    font-size: 15px;
    font-weight: 600;
    transition: all 0.3s;
    border: 2px solid var(--white);
}

.btn-hero:hover {
    background: transparent;
    color: var(--white);
    transform: translateY(-2px);
}

/* Hero右侧 - 世界地图背景 + 客户卡片 */
.hero-right {
    position: relative;
    height: 400px;
}

.hero-map {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.08) 0%, rgba(255,255,255,0.03) 100%);
    border-radius: 20px;
    overflow: hidden;
}

.map-grid {
    position: absolute;
    inset: 0;
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(255,255,255,0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 30%, rgba(255,255,255,0.08) 0%, transparent 40%),
        radial-gradient(circle at 50% 80%, rgba(255,255,255,0.06) 0%, transparent 45%);
    background-size: 100% 100%;
}

.hero-cards {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
    width: 380px;
}

.hero-card {
    background: var(--white);
    color: var(--primary);
    padding: 16px 20px;
    border-radius: 12px;
    font-size: 14px;
    font-weight: 600;
    text-align: center;
    box-shadow: 0 8px 30px rgba(0,0,0,0.15);
    transition: all 0.3s;
}

.hero-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 40px rgba(0,0,0,0.2);
}

/* Hero装饰 */
.hero-decoration {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
}

.deco-circle {
    position: absolute;
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 50%;
}

.deco-1 {
    width: 400px;
    height: 400px;
    top: -100px;
    right: -100px;
    animation: float 8s ease-in-out infinite;
}

.deco-2 {
    width: 250px;
    height: 250px;
    bottom: -80px;
    left: 10%;
    animation: float 6s ease-in-out infinite reverse;
}

.deco-square {
    position: absolute;
    width: 180px;
    height: 180px;
    border: 1px solid rgba(255,255,255,0.06);
    transform: rotate(45deg);
    top: 20%;
    right: 5%;
    animation: float 10s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(5deg); }
}

/* ========================================
   区块3: 核心优势 V6
   ======================================== */
.advantages-v6 {
    background: var(--bg-light);
    padding: 80px 0;
}

.advantages-grid-v6 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.advantage-card-v6 {
    background: var(--white);
    border-radius: 16px;
    padding: 40px 30px;
    text-align: center;
    transition: all 0.3s;
    border: 1px solid var(--border-color);
}

.advantage-card-v6:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(26, 92, 176, 0.12);
    border-color: var(--primary);
}

.advantage-icon-v6 {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary-light), var(--primary));
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
}

.advantage-icon-v6 svg {
    width: 36px;
    height: 36px;
    color: var(--white);
}

.advantage-card-v6 h3 {
    font-size: 20px;
    color: var(--primary);
    margin-bottom: 12px;
    font-weight: 600;
}

.advantage-card-v6 p {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.7;
}

/* ========================================
   区块4: 解决方案 V6
   ======================================== */
.solutions-v6 {
    background: var(--white);
    padding: 80px 0;
}

.solutions-grid-v6 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.solution-card-v6 {
    background: var(--white);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 35px;
    transition: all 0.3s;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.solution-card-v6:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(26, 92, 176, 0.1);
    border-color: var(--primary);
}

.solution-icon-v6 {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-light), var(--primary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}

.solution-icon-v6 svg {
    width: 40px;
    height: 40px;
    color: var(--white);
}

.solution-content-v6 h3 {
    font-size: 22px;
    color: var(--primary);
    margin-bottom: 12px;
    font-weight: 600;
}

.solution-content-v6 p {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.7;
    margin-bottom: 20px;
}

.solution-link {
    color: var(--accent);
    font-weight: 600;
    font-size: 14px;
    transition: all 0.3s;
}

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

/* ========================================
   区块5: 标杆案例 V6 (大图展示)
   ======================================== */
.cases-v6 {
    background: var(--bg-light);
    padding: 80px 0;
}

.cases-showcase {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin-bottom: 30px;
}

.case-banner {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    border-radius: 20px;
    padding: 50px 40px;
    color: var(--white);
    position: relative;
    overflow: hidden;
    min-height: 300px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.case-banner::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 300px;
    height: 300px;
    background: rgba(255,255,255,0.08);
    border-radius: 50%;
}

.case-banner::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: 10%;
    width: 200px;
    height: 200px;
    background: rgba(255,255,255,0.05);
    border-radius: 50%;
}

.case-banner-content {
    position: relative;
    z-index: 2;
}

.case-badge {
    display: inline-block;
    background: var(--accent);
    color: var(--white);
    padding: 5px 14px;
    border-radius: 15px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 16px;
}

.case-banner h3 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 12px;
}

.case-banner p {
    font-size: 15px;
    opacity: 0.9;
    margin-bottom: 20px;
    line-height: 1.7;
}

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

.case-tags span {
    background: rgba(255,255,255,0.2);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 13px;
}

.cases-more {
    text-align: center;
}

.btn-more {
    display: inline-block;
    background: var(--primary);
    color: var(--white);
    padding: 14px 32px;
    border-radius: 25px;
    font-size: 15px;
    font-weight: 500;
    transition: all 0.3s;
}

.btn-more:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

/* ========================================
   区块6: 产品体系 V6
   ======================================== */
.products-v6 {
    background: var(--white);
    padding: 80px 0;
}

.products-grid-v6 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.product-card-v6 {
    background: var(--white);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 40px 30px;
    text-align: center;
    transition: all 0.3s;
}

.product-card-v6:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(26, 92, 176, 0.1);
    border-color: var(--primary);
}

.product-icon-v6 {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-light), var(--primary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
}

.product-icon-v6 svg {
    width: 40px;
    height: 40px;
    color: var(--white);
}

.product-card-v6 h3 {
    font-size: 22px;
    color: var(--primary);
    margin-bottom: 12px;
    font-weight: 600;
}

.product-card-v6 p {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.7;
    margin-bottom: 20px;
}

.product-link {
    color: var(--accent);
    font-weight: 600;
    font-size: 14px;
    transition: all 0.3s;
}

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

/* ========================================
   区块7: 数据实力 V6
   ======================================== */
.stats-v6 {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
    padding: 80px 0;
}

.stats-grid-v6 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    text-align: center;
}

.stat-item-v6 {
    color: var(--white);
}

.stat-number-v6 {
    font-size: 52px;
    font-weight: 700;
    line-height: 1;
    margin-bottom: 12px;
    font-family: 'Arial', sans-serif;
}

.stat-unit {
    font-size: 28px;
}

.stat-accent {
    color: var(--accent);
}

.stat-item-v6 p {
    font-size: 16px;
    opacity: 0.9;
}

/* ========================================
   区块8: 新闻资讯 V6
   ======================================== */
.news-v6 {
    background: var(--bg-light);
    padding: 80px 0;
}

.news-grid-v6 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.news-card-v6 {
    background: var(--white);
    border-radius: 16px;
    padding: 30px;
    transition: all 0.3s;
    border: 1px solid var(--border-color);
}

.news-card-v6:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(26, 92, 176, 0.1);
    border-color: var(--primary);
}

.news-date {
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: 12px;
}

.news-card-v6 h3 {
    font-size: 18px;
    color: var(--text-primary);
    margin-bottom: 12px;
    line-height: 1.5;
    font-weight: 600;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-card-v6 p {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.7;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 16px;
}

.news-link {
    color: var(--primary);
    font-weight: 600;
    font-size: 14px;
    transition: all 0.3s;
}

.news-link:hover {
    color: var(--primary-light);
}

/* ========================================
   区块9: CTA横幅 V6
   ======================================== */
.cta-v6 {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

.cta-v6::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
    background-size: 40px 40px;
}

.cta-content-v6 {
    text-align: center;
    color: var(--white);
    position: relative;
    z-index: 2;
}

.cta-content-v6 h2 {
    font-size: 36px;
    margin-bottom: 12px;
    font-weight: 700;
}

.cta-content-v6 p {
    font-size: 18px;
    opacity: 0.9;
    margin-bottom: 35px;
}

.btn-cta {
    display: inline-block;
    background: var(--accent);
    color: var(--white);
    padding: 16px 40px;
    border-radius: 30px;
    font-size: 16px;
    font-weight: 600;
    transition: all 0.3s;
}

.btn-cta:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
}

/* ========================================
   区块10: 页脚 V6
   ======================================== */
.footer-v6 {
    background: var(--footer-dark);
    color: var(--white);
    padding: 60px 0 30px;
}

.footer-main-v6 {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 50px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-logo {
    height: 36px;
    width: auto;
    margin-bottom: 20px;
}

.footer-brand-v6 p {
    font-size: 14px;
    opacity: 0.8;
    line-height: 1.8;
}

.footer-nav-v6 h4 {
    font-size: 16px;
    margin-bottom: 20px;
    color: var(--accent);
}

.footer-nav-v6 ul li {
    margin-bottom: 12px;
}

.footer-nav-v6 ul li a {
    font-size: 14px;
    opacity: 0.8;
    transition: opacity 0.3s;
}

.footer-nav-v6 ul li a:hover {
    opacity: 1;
}

.footer-contact-v6 h4 {
    font-size: 16px;
    margin-bottom: 20px;
    color: var(--accent);
}

.footer-contact-v6 p {
    font-size: 14px;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
    opacity: 0.9;
}

.footer-contact-v6 a {
    color: var(--white);
    transition: opacity 0.3s;
}

.footer-contact-v6 a:hover {
    opacity: 0.8;
}

.footer-bottom-v6 {
    padding-top: 25px;
    text-align: center;
    font-size: 14px;
    opacity: 0.7;
}

.footer-bottom-v6 a {
    color: var(--white);
}

.footer-bottom-v6 a:hover {
    opacity: 0.8;
}

/* ========================================
   动画效果
   ======================================== */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ========================================
   响应式设计
   ======================================== */
@media (max-width: 1024px) {
    .nav-menu {
        gap: 20px;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .hero-right {
        height: auto;
        min-height: 350px;
    }
    
    .hero-title {
        font-size: 36px;
    }
    
    .advantages-grid-v6,
    .solutions-grid-v6,
    .products-grid-v6 {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .cases-showcase {
        grid-template-columns: 1fr;
    }
    
    .stats-grid-v6 {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }
    
    .footer-main-v6 {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }
}

@media (max-width: 768px) {
    .header-inner {
        flex-wrap: wrap;
        position: relative;
    }
    
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--primary);
        flex-direction: column;
        padding: 10px 0;
        gap: 0;
        box-shadow: 0 4px 12px rgba(0,0,0,0.15);
        z-index: 1001;
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .nav-menu a {
        padding: 12px 20px;
        min-height: 44px;
        display: flex;
        align-items: center;
        border-bottom: 1px solid rgba(255,255,255,0.1);
    }
    
    .menu-toggle {
        display: flex;
    }
    
    .header-sub-content {
        font-size: 14px;
        flex-wrap: wrap;
        gap: 8px;
    }
    
    .hero-v6 {
        min-height: auto;
        padding: 40px 0;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
    }
    
    .hero-left {
        text-align: center;
    }
    
    .hero-title {
        font-size: 28px;
    }
    
    .hero-subtitle {
        font-size: 15px;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .hero-right {
        min-height: 300px;
    }
    
    .hero-cards {
        width: 90%;
        gap: 10px;
    }
    
    .hero-card {
        padding: 12px 15px;
        font-size: 14px;
    }
    
    .section-title-v6 h2 {
        font-size: 26px;
    }
    
    .advantages-grid-v6,
    .solutions-grid-v6,
    .products-grid-v6,
    .news-grid-v6 {
        grid-template-columns: 1fr;
    }
    
    .stats-grid-v6 {
        grid-template-columns: repeat(2, 1fr);
        gap: 25px;
    }
    
    .stat-number-v6 {
        font-size: 36px;
    }
    
    .stat-unit {
        font-size: 20px;
    }
    
    .case-banner {
        padding: 35px 25px;
    }
    
    .case-banner h3 {
        font-size: 22px;
    }
    
    .cta-content-v6 h2 {
        font-size: 26px;
    }
    
    .footer-main-v6 {
        grid-template-columns: 1fr;
        gap: 30px;
        text-align: center;
    }
    
    .footer-nav-v6,
    .footer-contact-v6 {
        text-align: center;
    }
    
    .footer-contact-v6 p {
        justify-content: center;
    }
    
    .advantage-icon-v6 {
        width: 48px;
        height: 48px;
        border-radius: 12px;
        margin: 0 auto 16px;
    }
    
    .advantage-icon-v6 svg {
        width: 24px;
        height: 24px;
    }
    
    .solution-icon-v6 {
        width: 48px;
        height: 48px;
        margin-bottom: 16px;
    }
    
    .solution-icon-v6 svg {
        width: 24px;
        height: 24px;
    }
    
    .product-icon-v6 {
        width: 48px;
        height: 48px;
        margin: 0 auto 16px;
    }
    
    .product-icon-v6 svg {
        width: 24px;
        height: 24px;
    }
    
    .advantage-card-v6 {
        padding: 24px 20px;
    }
    
    .advantage-card-v6 h3 {
        font-size: 17px;
    }
    
    .product-card-v6 {
        padding: 24px 20px;
    }
    
    .product-card-v6 h3 {
        font-size: 17px;
    }
}

/* ===== V6视觉微调 ===== */

/* 核心优势卡片顶部渐变线 */
.advantage-card-v6 {
    border-top: 3px solid transparent;
    border-image: linear-gradient(90deg, #1a5cb0, #3a85e0) 1;
}

/* 案例横幅光泽效果 */
.case-banner-deco .deco-layer {
    position: absolute;
    top: 0;
    right: 0;
    width: 60%;
    height: 100%;
    background: linear-gradient(135deg, transparent 30%, rgba(255,255,255,0.06) 60%, rgba(255,255,255,0.02) 100%);
    pointer-events: none;
}

/* 统计区数字光晕 */
.stat-number-v6 {
    text-shadow: 0 0 30px rgba(230,168,23,0.3);
}

/* 产品卡片hover光效 */
.product-card-v6::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #1a5cb0, #e6a817);
    border-radius: 16px 16px 0 0;
    opacity: 0;
    transition: opacity 0.3s;
}
.product-card-v6:hover::before {
    opacity: 1;
}
.product-card-v6 {
    position: relative;
    overflow: hidden;
}

/* 解决方案卡片hover顶部线 */
.solution-card-v6::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #1a5cb0, #e6a817);
    border-radius: 16px 16px 0 0;
    opacity: 0;
    transition: opacity 0.3s;
}
.solution-card-v6:hover::before {
    opacity: 1;
}
.solution-card-v6 {
    position: relative;
    overflow: hidden;
}

/* 新闻卡片日期标签增强 */
.news-date {
    display: inline-block;
    background: #f0f4ff;
    color: #1a5cb0;
    padding: 3px 12px;
    border-radius: 12px;
    font-weight: 500;
    font-size: 14px;
}

/* CTA区域脉冲动画 */
.btn-cta {
    animation: pulse-shadow 2s infinite;
}
@keyframes pulse-shadow {
    0%, 100% { box-shadow: 0 0 0 0 rgba(230,168,23,0.4); }
    50% { box-shadow: 0 0 0 10px rgba(230,168,23,0); }
}

/* 导航栏滚动效果增强 */
.header.scrolled {
    box-shadow: 0 4px 20px rgba(0,0,0,0.15);
    transition: box-shadow 0.3s;
}

/* Hero右侧卡片第1、2个加金色标识 */
.hero-card:nth-child(1),
.hero-card:nth-child(2) {
    border: 2px solid #e6a817;
}


/* 汉堡菜单 - 从首页内联迁移到外部CSS */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}
.menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: #fff;
    transition: all 0.3s;
}
.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}
.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}
.menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}