/* 重置样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    line-height: 1.6;
    color: #fff;
    background-color: #0E121B;
    overflow-x: hidden;
}

.bg-pattern {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    max-width: 1440px;
    z-index: -2;
    pointer-events: none;
    opacity: 0.6;
}

.bg-pattern img {
    width: 100%;
    height: auto;
    display: block;
}

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

ul {
    list-style: none;
}

/* 导航栏 */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 20px 0;
    z-index: 1000;
    display: flex;
    justify-content: center;
}

.nav {
    width: 960px;
    padding: 14px 32px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(153, 160, 174, 0.1);
    border: 1px solid rgba(153, 160, 174, 0.2);
    border-radius: 50px;
    backdrop-filter: blur(10px);
}

.logo {
    font-size: 16px;
    font-weight: 600;
    color: #fff;
    white-space: nowrap;
}

.nav-links {
    display: flex;
    gap: 32px;
}

.nav-links a {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: #fff;
}

.nav-links a.active {
    color: #fff;
}

/* 首屏区域 */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: 80px;
}

.hero-container {
    width: 100%;
    max-width: 1160px;
    margin: 0 auto;
    padding: 0 40px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 60px;
}

.hero-content {
    flex: 1;
    max-width: 600px;
}

/* 活动标签 */
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: rgba(153, 160, 174, 0.1);
    border: 1px solid rgba(153, 160, 174, 0.2);
    border-radius: 50px;
    padding: 8px 16px 8px 8px;
    margin-bottom: 32px;
}

.badge-avatars {
    display: flex;
    align-items: center;
}

.badge-avatars .avatar {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    border: 2px solid #0E121B;
    margin-left: -8px;
    object-fit: cover;
}

.badge-avatars .avatar:first-child {
    margin-left: 0;
}

.avatar-count {
    font-size: 12px;
    font-weight: 500;
    color: #0E121B;
    background: #fff;
    border-radius: 50%;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-left: -8px;
    border: 2px solid #0E121B;
}

.badge-text {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
}

.badge-link {
    font-size: 14px;
    color: #a78bfa;
    display: flex;
    align-items: center;
    gap: 4px;
}

.badge-link:hover {
    color: #c4b5fd;
}

.badge-link .arrow {
    font-size: 16px;
}

/* 主标题 */
.hero-title {
    font-size: 56px;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 24px;
    background: linear-gradient(180deg, #fff 0%, #99A0AE 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-title .title-line1 {
    display: block;
}

.hero-title .title-line2 {
    display: block;
    padding-left: 80px;
}

/* 副标题 */
.hero-subtitle {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 40px;
    line-height: 1.6;
}

/* 按钮组 */
.hero-buttons {
    display: flex;
    gap: 16px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 40px;
    font-size: 16px;
    font-weight: 500;
    border-radius: 8px;
    transition: all 0.3s ease;
    cursor: pointer;
}

.btn-primary {
    background: linear-gradient(135deg, #7c3aed 0%, #6366f1 100%);
    color: #fff;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(124, 58, 237, 0.3);
}

.btn-secondary {
    background: transparent;
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn-secondary:hover {
    border-color: rgba(255, 255, 255, 0.6);
    background: rgba(255, 255, 255, 0.05);
}

/* 右侧配图 */
.hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-graphic-wrapper {
    position: relative;
    display: inline-block;
}

.hero-graphic-wrapper img {
    max-width: 100%;
    height: auto;
}

.hero-graphic-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 700;
    color: #fff;
    line-height: 1.3;
    text-align: center;
}

.hero-graphic-text span {
    display: block;
}

/* 业务流程 */
.business-flow {
    padding: 60px 0;
}

.business-flow .container {
    max-width: 1160px;
    margin: 0 auto;
    padding: 0 40px;
    text-align: center;
}

.flow-label {
    font-size: 16px;
    line-height: 28px;
    color: #CACFD8;
    margin-bottom: 8px;
}

.flow-steps {
    font-size: 20px;
    line-height: 48px;
    color: #99A0AE;
}

/* 超级数字工厂 - 参照设计图：纯黑背景、药丸标签、白字层级 */
.super-factory {
    padding: 80px 0 40px;
    position: relative;
    z-index: 1;
}

.super-factory .container {
    max-width: 1160px;
    margin: 0 auto;
    padding: 0 40px;
    text-align: center;
}

/* 顶部标签：4px 圆角、背景 #181B25、无边框、16px/28 行高、纯白 */
.super-factory .section-tag {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-bottom: 28px;
    padding: 10px 20px;
    background: #181B25;
    border-radius: 4px;
    border: none;
    color: #fff;
    font-size: 16px;
    line-height: 28px;
    font-weight: 500;
}

.super-factory .section-tag .tag-icon {
    width: 18px;
    height: 18px;
    object-fit: contain;
    filter: brightness(1.1);
}

/* 主标题：48px/56 行高，从上至下渐变 白 0% → #99A0AE 100% */
.super-factory .section-title {
    font-size: 48px;
    line-height: 56px;
    font-weight: 700;
    margin-bottom: 20px;
    letter-spacing: 0.02em;
}

.super-factory .section-title.gradient-title {
    background: linear-gradient(180deg, #fff 0%, #99A0AE 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* 副标题：16px/28 行高、#CACFD8、居中 */
.super-factory .section-desc {
    font-size: 16px;
    line-height: 28px;
    color: #CACFD8;
    max-width: 560px;
    margin: 0 auto;
    font-weight: 400;
}

/* 数字工厂 2x2 模块 */
.factory-grid-section {
    padding: 48px 0 100px;
    position: relative;
    z-index: 1;
}

.why-section {
    padding: 60px 0 80px;
    position: relative;
    z-index: 1;
    background: #181B25;
}

.integration-section {
    padding: 60px 0 80px;
    position: relative;
    z-index: 1;
}

.integration-section .container {
    max-width: 1160px;
    margin: 0 auto;
    padding: 0 40px;
    text-align: center;
}

.integration-section .section-tag {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-bottom: 28px;
    padding: 10px 20px;
    background: #181B25;
    border-radius: 4px;
    border: none;
    color: #fff;
    font-size: 16px;
    line-height: 28px;
    font-weight: 500;
}

.section-tag .tag-icon {
    width: 18px;
    height: 18px;
    object-fit: contain;
}

.integration-section .section-title {
    font-size: 48px;
    line-height: 56px;
    font-weight: 700;
    margin-bottom: 20px;
    letter-spacing: 0.02em;
}

.integration-section .section-title.gradient-title {
    background: linear-gradient(180deg, #fff 0%, #99A0AE 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.integration-section .section-desc {
    font-size: 16px;
    line-height: 28px;
    color: #CACFD8;
    max-width: 560px;
    margin: 0 auto 24px;
    font-weight: 400;
}

.integration-logos {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

.integration-logos img {
    width: 72px;
    height: 72px;
    object-fit: contain;
}

.integration-actions {
    display: flex;
    justify-content: center;
    margin-top: 24px;
}

.testimonial-section {
    padding: 80px 0 100px;
    position: relative;
    z-index: 1;
}

.testimonial-section .container {
    max-width: 1160px;
    margin: 0 auto;
    padding: 0 40px;
    text-align: center;
}

.testimonial-section .section-tag {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-bottom: 28px;
    padding: 10px 20px;
    background: #181B25;
    border-radius: 4px;
    border: none;
    color: #fff;
    font-size: 16px;
    line-height: 28px;
    font-weight: 500;
}

.testimonial-section .section-title {
    font-size: 48px;
    line-height: 56px;
    font-weight: 700;
    margin-bottom: 20px;
    letter-spacing: 0.02em;
}

.testimonial-section .section-title.gradient-title {
    background: linear-gradient(180deg, #fff 0%, #99A0AE 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.testimonial-section .section-desc {
    font-size: 16px;
    line-height: 28px;
    color: #CACFD8;
    max-width: 720px;
    margin: 0 auto 24px;
    font-weight: 400;
}

.testimonial-card {
    margin: 0 auto;
    background: rgba(30, 33, 48, 0.6);
    border: 1px solid rgba(153, 160, 174, 0.2);
    border-radius: 20px;
    padding: 0 0 24px 0;
    max-width: 960px;
}

.testimonial-tabs {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
    border-bottom: none;
    padding-bottom: 0;
    margin-bottom: 24px;
    height: 56px;
    align-items: stretch;
}

.testimonial-content {
    padding: 0 24px;
}

.testimonial-tabs .tab {
    background: transparent;
    color: #99A0AE;
    font-size: 14px;
    line-height: 28px;
    padding: 0;
    border: none;
    cursor: pointer;
    width: 100%;
    border-radius: 0;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
}

.testimonial-tabs .tab.active {
    color: #fff;
    background: linear-gradient(180deg, #222530 0%, #222530 100%);
    box-shadow: inset 0 -1px 0 #6C52FF;
}

.testimonial-tabs .tab:first-child {
    border-top-left-radius: 20px;
}

.testimonial-content .quote-mark {
    margin-bottom: 20px;
}

.testimonial-content .quote-mark .quote-icon {
    max-width: 100%;
    height: auto;
    object-fit: contain;
    display: block;
    margin: 0 auto;
}

.testimonial-content .quote-text {
    font-size: 24px;
    line-height: 40px;
    color: #fff;
    margin: 12px 0 20px;
}

.testimonial-content .author {
    display: flex;
    flex-direction: column;
    gap: 8px;
    align-items: center;
    justify-content: center;
    margin: 12px auto 8px;
}

.testimonial-content .author .avatar {
    width: 40px;
    height: 40px;
    border-radius: 999px;
    object-fit: cover;
}

.testimonial-content .author .name {
    color: #fff;
    font-size: 14px;
    font-weight: 600;
}

.testimonial-content .author .role {
    color: #99A0AE;
    font-size: 12px;
}

.cert-section {
    padding: 80px 0 100px;
    position: relative;
    z-index: 1;
}

.cert-section .container {
    max-width: 1160px;
    margin: 0 auto;
    padding: 0 40px;
    text-align: center;
}

.cert-section .section-tag {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-bottom: 28px;
    padding: 10px 20px;
    background: #181B25;
    border-radius: 4px;
    border: none;
    color: #fff;
    font-size: 16px;
    line-height: 28px;
    font-weight: 500;
}

.cert-section .section-title {
    font-size: 48px;
    line-height: 56px;
    font-weight: 700;
    margin-bottom: 20px;
    letter-spacing: 0.02em;
}

.cert-section .section-title.gradient-title {
    background: linear-gradient(180deg, #fff 0%, #99A0AE 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.cert-section .section-desc {
    font-size: 16px;
    line-height: 28px;
    color: #CACFD8;
    max-width: 560px;
    margin: 0 auto 44px;
    font-weight: 400;
}

.cert-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    align-items: start;
}

.cert-item {
    text-align: center;
}

.cert-title {
    font-size: 24px;
    line-height: 32px;
    color: #fff;
    font-weight: 600;
    margin-bottom: 10px;
    white-space: nowrap;
}

.cert-desc {
    font-size: 16px;
    line-height: 28px;
    color: #CACFD8;
    margin-bottom: 20px;
}

.cert-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
}

.cert-icon img {
    width: 64px;
    height: 64px;
    object-fit: contain;
}

.progress-dots {
    display: flex;
    gap: 8px;
    justify-content: center;
    margin-top: 16px;
}

.progress-dots .dot {
    width: 32px;
    height: 4px;
    border-radius: 4px;
    background: #2B303B;
}

.progress-dots .dot.active {
    background: linear-gradient(135deg, #7c3aed 0%, #6366f1 100%);
}

@media (max-width: 768px) {
    .cert-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .cert-title {
        white-space: normal;
    }
}

.cases-section {
    padding: 80px 0 100px;
    position: relative;
    z-index: 1;
}

.cases-section .container {
    max-width: 1160px;
    margin: 0 auto;
    padding: 0 40px;
}

.cases-head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 24px;
    margin-bottom: 32px;
}

.cases-head-left .section-tag {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-bottom: 16px;
    padding: 10px 20px;
    background: #222530;
    border-radius: 4px;
    border: none;
    color: #fff;
    font-size: 16px;
    line-height: 28px;
    font-weight: 500;
}

.cases-section .section-title {
    font-size: 48px;
    line-height: 56px;
    font-weight: 700;
    margin-bottom: 16px;
    letter-spacing: 0.02em;
}

.cases-section .section-title.gradient-title {
    background: linear-gradient(180deg, #fff 0%, #99A0AE 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.cases-desc {
    font-size: 16px;
    line-height: 28px;
    color: #CACFD8;
    max-width: 520px;
}

.cases-more {
    margin-top: 40px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 44px;
    padding: 0 18px;
    background: #222530;
    border-radius: 10px;
    color: #fff;
    font-size: 14px;
    text-decoration: none;
    border: 1px solid rgba(153, 160, 174, 0.18);
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.case-card {
    background: rgba(30, 33, 48, 0.6);
    border: 1px solid rgba(153, 160, 174, 0.2);
    border-radius: 16px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    min-height: 420px;
}

.case-media {
    height: 180px;
    background: rgba(20, 22, 30, 0.4);
}

.case-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.case-body {
    padding: 18px 18px 16px;
    display: flex;
    flex-direction: column;
    flex: 1 1 auto;
    background: #0E121B;
}

.case-title {
    font-size: 20px;
    line-height: 28px;
    color: #fff;
    font-weight: 600;
    margin-bottom: 10px;
}

.case-card .case-desc {
    font-size: 14px;
    line-height: 24px;
    color: rgba(202, 207, 216, 0.85);
    margin-bottom: 18px;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    overflow: hidden;
    -webkit-line-clamp: 3;
}

.case-date {
    margin-top: auto;
    font-size: 12px;
    line-height: 20px;
    color: #99A0AE;
}

@media (max-width: 1024px) {
    .cases-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .cases-more {
        margin-top: 8px;
    }
}

@media (max-width: 768px) {
    .cases-head {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .cases-more {
        margin-top: 0;
    }
    
    .cases-grid {
        grid-template-columns: 1fr;
    }
}

.cta-section {
    padding: 0 0 90px;
    position: relative;
    z-index: 1;
    overflow: hidden;
}

.cta-section .container {
    max-width: 1160px;
    margin: 0 auto;
    padding: 0 40px;
    text-align: center;
}

.cta-glow {
    position: absolute;
    left: 50%;
    top: -120px;
    transform: translateX(-50%);
    width: 920px;
    height: 420px;
    background: radial-gradient(closest-side, rgba(108, 82, 255, 0.55), rgba(108, 82, 255, 0.06) 55%, transparent 72%);
    filter: blur(10px);
    pointer-events: none;
}

.cta-icons {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 18px;
    margin-bottom: 0;
    opacity: 0.9;
}

.cta-icon {
    width: 44px;
    height: 44px;
    border-radius: 10px;
    background: rgba(30, 33, 48, 0.45);
    border: 1px solid rgba(153, 160, 174, 0.15);
    box-shadow: inset 0 0 0 1px rgba(14, 18, 27, 0.55);
}

.cta-icon.active {
    width: 52px;
    height: 52px;
    border-radius: 12px;
    background: linear-gradient(180deg, rgba(34, 37, 48, 0.9), rgba(14, 18, 27, 0.7));
    border: 1px solid rgba(108, 82, 255, 0.55);
    box-shadow: 0 0 0 6px rgba(108, 82, 255, 0.08);
}

.cta-image {
    max-width: 100%;
    height: auto;
    margin-top: 0;
    margin-bottom: 24px;
    display: block;
    margin-left: auto;
    margin-right: auto;
}

.cta-title {
    font-size: 48px;
    line-height: 56px;
    font-weight: 700;
    margin-bottom: 20px;
    letter-spacing: 0.02em;
    background: linear-gradient(180deg, #fff 0%, #99A0AE 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.cta-subtitle {
    font-size: 16px;
    line-height: 28px;
    color: #CACFD8;
    margin-bottom: 26px;
}

.cta-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 46px;
    padding: 0 22px;
    border-radius: 10px;
    background: linear-gradient(135deg, #6C52FF 0%, #6366f1 100%);
    color: #fff;
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    box-shadow: 0 12px 30px rgba(108, 82, 255, 0.22);
}

.site-footer {
    background: #0E121B;
    border-top: 1px solid rgba(153, 160, 174, 0.08);
    color: #fff;
}

.footer-top .container {
    max-width: 1160px;
    margin: 0 auto;
    padding: 34px 40px 18px;
}

.footer-hero {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.brand-name {
    font-size: 14px;
    line-height: 22px;
    color: #fff;
    font-weight: 600;
    margin-bottom: 10px;
}

.brand-address {
    font-size: 12px;
    line-height: 20px;
    color: rgba(202, 207, 216, 0.8);
}

.footer-social {
    display: flex;
    gap: 14px;
    align-items: center;
}

.social-link {
    width: 34px;
    height: 34px;
    border-radius: 10px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: rgba(34, 37, 48, 0.45);
    border: 1px solid rgba(153, 160, 174, 0.14);
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
}

.footer-divider {
    height: 1px;
    background: rgba(153, 160, 174, 0.12);
    margin: 26px 0;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.footer-col-title {
    font-size: 12px;
    line-height: 20px;
    color: rgba(153, 160, 174, 0.9);
    margin-bottom: 14px;
}

.footer-link {
    display: block;
    color: rgba(202, 207, 216, 0.92);
    text-decoration: none;
    font-size: 13px;
    line-height: 28px;
}

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding-bottom: 8px;
}

.footer-copy {
    font-size: 12px;
    line-height: 20px;
    color: rgba(153, 160, 174, 0.9);
}

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

.footer-policy {
    color: rgba(153, 160, 174, 0.9);
    text-decoration: none;
    font-size: 12px;
    line-height: 20px;
}

@media (max-width: 768px) {
    .cta-icons {
        gap: 12px;
        flex-wrap: wrap;
    }
    
    .footer-hero {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .footer-links {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
    }
}
.why-section .container {
    max-width: 1160px;
    margin: 0 auto;
    padding: 0 40px;
    text-align: center;
}

.why-section .section-tag {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-bottom: 28px;
    padding: 10px 20px;
    background: #222530;
    border-radius: 4px;
    border: none;
    color: #fff;
    font-size: 16px;
    line-height: 28px;
    font-weight: 500;
}

.why-section .section-tag .tag-icon {
    width: 18px;
    height: 18px;
    object-fit: contain;
    filter: brightness(1.1);
}

.why-section .section-title {
    font-size: 48px;
    line-height: 56px;
    font-weight: 700;
    margin-bottom: 20px;
    letter-spacing: 0.02em;
}

.why-section .section-title.gradient-title {
    background: linear-gradient(180deg, #fff 0%, #99A0AE 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.why-section .section-desc {
    font-size: 16px;
    line-height: 28px;
    color: #CACFD8;
    max-width: 560px;
    margin: 0 auto;
    font-weight: 400;
}
.advantages-grid {
    margin-top: 32px;
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 40px;
    align-items: center;
}

.adv-list {
    display: flex;
    flex-direction: column;
    gap: 28px;
    text-align: left;
    align-items: flex-start;
}

.adv-item {
    display: flex;
    gap: 12px;
    padding-left: 16px;
    position: relative;
    align-items: flex-start;
    flex-direction: column;
}

.adv-item::before {
    content: "";
    position: absolute;
    left: 0;
    top: 6px;
    bottom: 6px;
    width: 3px;
    background: linear-gradient(180deg, #7c3aed, #6366f1);
    border-radius: 3px;
}

.adv-item:nth-child(2)::before,
.adv-item:nth-child(3)::before {
    background: #2B303B;
}

.adv-icon {
    width: auto;
    height: auto;
    border-radius: 0;
    background: transparent;
    display: flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 auto;
}

.adv-icon img {
    width: 48px;
    height: 48px;
    object-fit: contain;
}

.adv-title {
    font-size: 24px;
    line-height: 32px;
    color: #fff;
    font-weight: 600;
    margin-bottom: 6px;
    text-align: left;
}

.adv-desc {
    font-size: 16px;
    line-height: 28px;
    color: #CACFD8;
    text-align: left;
    max-width: 520px;
}

.adv-visual {
    background: rgba(30, 33, 48, 0.6);
    border: 1px solid rgba(153, 160, 174, 0.2);
    border-radius: 16px;
    padding: 24px;
}

.adv-visual img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 12px;
    object-fit: contain;
}
.factory-grid-section .container {
    max-width: 1160px;
    margin: 0 auto;
    padding: 0 40px;
}

.factory-grid {
    margin-top: 0;
    column-count: 2;
    column-gap: 24px;
}

.factory-card {
    background: rgba(30, 33, 48, 0.8);
    border: 1px solid rgba(153, 160, 174, 0.2);
    border-radius: 16px;
    padding: 24px;
    backdrop-filter: blur(10px);
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
    height: auto;
    display: flex;
    flex-direction: column;
    min-height: 360px;
    break-inside: avoid;
    -webkit-column-break-inside: avoid;
    page-break-inside: avoid;
    margin-bottom: 24px;
}

.factory-card:hover {
    border-color: rgba(167, 139, 250, 0.4);
    box-shadow: 0 8px 32px rgba(124, 58, 237, 0.15);
}

.factory-card-visual {
    margin-bottom: 20px;
    border-radius: 12px;
    overflow: hidden;
}

.factory-card-visual img {
    width: 100%;
    height: auto;
    display: block;
    vertical-align: middle;
    object-fit: contain;
}

.factory-card-title {
    font-size: 24px;
    line-height: 32px;
    font-weight: 600;
    color: #fff;
    margin-bottom: 10px;
}

.factory-card-desc {
    font-size: 16px;
    color: #CACFD8;
    line-height: 28px;
}

/* 通用区块 */
.section {
    padding: 100px 20px;
}

.section:nth-child(even) {
    background: transparent;
}

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

.section h2 {
    font-size: 36px;
    text-align: center;
    margin-bottom: 40px;
}

.section p {
    text-align: center;
    font-size: 18px;
    color: rgba(255, 255, 255, 0.7);
}

/* 页脚 */
.footer {
    background: #0E121B;
    border-top: 1px solid rgba(153, 160, 174, 0.1);
    color: #fff;
    padding: 30px 20px;
    text-align: center;
}

/* 响应式 */
@media (max-width: 1024px) {
    .nav {
        width: 90%;
        padding: 10px 24px;
    }
    
    .nav-links {
        gap: 20px;
    }
    
    .nav-links a {
        font-size: 13px;
    }
    
    .hero-container {
        padding: 0 40px;
        flex-direction: column;
        text-align: center;
    }
    
    .hero-content {
        max-width: 100%;
    }
    
    .hero-badge {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .hero-title {
        font-size: 42px;
    }
    
    .hero-title .title-line2 {
        padding-left: 40px;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .hero-image {
        max-width: 500px;
    }
}

@media (max-width: 768px) {
    .nav {
        width: 95%;
        padding: 10px 20px;
    }
    
    .nav-links {
        gap: 12px;
    }
    
    .logo {
        font-size: 14px;
    }
    
    .hero-container {
        padding: 0 20px;
    }
    
    .hero-title {
        font-size: 32px;
    }
    
    .hero-title .title-line2 {
        padding-left: 20px;
    }
    
    .hero-subtitle {
        font-size: 14px;
    }
    
    .btn {
        padding: 12px 28px;
        font-size: 14px;
    }
    
    .section h2 {
        font-size: 28px;
    }
    
    .factory-grid {
        column-count: 1;
    }
    
    .super-factory .section-title {
        font-size: 22px;
    }
    
    .factory-card {
        min-height: auto;
    }
    
    .factory-grid .factory-card {
        min-height: auto;
    }
    
    .advantages-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
}

.factory-grid .factory-card:nth-child(1),
.factory-grid .factory-card:nth-child(4) {
    height: 560px;
    min-height: 560px;
}

.factory-grid .factory-card:nth-child(2),
.factory-grid .factory-card:nth-child(3) {
    min-height: 460px;
}

.factory-grid .factory-card:nth-child(2) {
    height: 460px;
    min-height: 460px;
}

.factory-grid .factory-card:nth-child(3) {
    height: 460px;
    min-height: 460px;
}