/* ---------- 全局变量 ---------- */
:root {
    --primary: #0A66C2;
    --primary-dark: #084B8A;
    --nav-accent: #E31C1C;
    --accent: #F5A623;
    --dark: #111827;
    --gray-dark: #1F2937;
    --gray: #6B7280;
    --gray-light: #F3F4F6;
    --white: #FFFFFF;
    --shadow-sm: 0 10px 25px -5px rgba(0,0,0,0.05);
    --shadow-md: 0 20px 40px -12px rgba(0,0,0,0.1);
    --shadow-lg: 0 25px 50px -12px rgba(0,0,0,0.25);
    --transition: all 0.4s cubic-bezier(0.2, 0.9, 0.4, 1);
}

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

html {
    scroll-padding-top: 5.5rem;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.5;
    color: var(--dark);
    background: var(--white);
    overflow-x: hidden;
    cursor: default;
}

.container {
    width: 90%;
    max-width: 1280px;
    margin: 0 auto;
}

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

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

ul { list-style: none; }

/* 按钮样式 */
.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--primary);
    color: white;
    padding: 14px 36px;
    border-radius: 40px;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: var(--transition);
}
.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px -5px rgba(10,102,194,0.3);
}

.btn-outline-light {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: transparent;
    border: 1px solid rgba(255,255,255,0.4);
    color: white;
    padding: 14px 36px;
    border-radius: 40px;
    font-weight: 600;
    transition: var(--transition);
}
.btn-outline-light:hover {
    background: rgba(255,255,255,0.1);
    border-color: white;
}

.btn-outline {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    border: 1px solid var(--primary);
    color: var(--primary);
    padding: 10px 28px;
    border-radius: 40px;
    font-weight: 500;
    transition: var(--transition);
}
.btn-outline:hover {
    background: var(--primary);
    color: white;
}

/* 头部：固定顶栏 — 统一高度变量供锚点与抽屉菜单对齐 */
.site-header {
    --site-header-height: 4.25rem;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    min-height: var(--site-header-height);
    background: rgba(17, 24, 39, 0.94);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    z-index: 1000;
    padding: 0.625rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 4px 24px -8px rgba(0, 0, 0, 0.35);
    transition: background 0.25s ease, box-shadow 0.25s ease;
}
.site-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    min-height: calc(var(--site-header-height) - 1.25rem);
}
.logo {
    flex-shrink: 0;
    display: flex;
    align-items: center;
}
.logo img {
    height: clamp(36px, 4vw, 44px);
    width: auto;
    display: block;
}
.main-nav {
    position: relative;
    flex: 1;
    display: flex;
    justify-content: flex-end;
    align-items: center;
    min-width: 0;
}
.nav-menu {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    flex-wrap: wrap;
    row-gap: 0.35rem;
    column-gap: clamp(0.5rem, 1.1vw, 1.35rem);
    list-style: none;
    margin: 0;
    padding: 0;
}
.nav-menu > li > a {
    position: relative;
    font-weight: 600;
    font-size: clamp(0.8125rem, 0.85vw + 0.65rem, 0.9375rem);
    color: rgba(255, 255, 255, 0.9);
    letter-spacing: 0.02em;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem 0.35rem;
    white-space: nowrap;
    transition: color 0.2s ease;
}
.nav-menu > li > a::after {
    content: '';
    position: absolute;
    left: 0.35rem;
    right: 0.35rem;
    bottom: 0.15rem;
    height: 2px;
    background: linear-gradient(90deg, var(--nav-accent), #ff6b6b);
    border-radius: 2px;
    opacity: 0;
    transform: scaleX(0.55);
    transition: opacity 0.2s ease, transform 0.2s ease;
    pointer-events: none;
}
.nav-menu > li > a:hover,
.nav-menu > li > a.active {
    color: #fff;
}
.nav-menu > li > a:hover::after,
.nav-menu > li > a.active::after {
    opacity: 1;
    transform: scaleX(1);
}
.nav-menu > li > a.active {
    color: var(--nav-accent);
}
.nav-item.has-dropdown {
    position: relative;
}
.nav-item.has-dropdown > a::after {
    bottom: 0.1rem;
}
.nav-dropdown {
    position: absolute;
    top: calc(100% + 0.35rem);
    left: 50%;
    transform: translateX(-50%) translateY(6px);
    min-width: 13.5rem;
    max-width: min(92vw, 280px);
    padding: 0.5rem 0.35rem;
    margin: 0;
    list-style: none;
    background: var(--white);
    border-radius: 12px;
    box-shadow: 0 20px 44px -12px rgba(0, 0, 0, 0.3), 0 0 0 1px rgba(0, 0, 0, 0.04);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s;
    z-index: 1100;
}
.nav-item.has-dropdown:hover > .nav-dropdown,
.nav-item.has-dropdown:focus-within > .nav-dropdown {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateX(-50%) translateY(0);
}
/* 应用中心下拉靠右对齐，避免宽屏下溢出视口（固定为第 4 个主项） */
.nav-menu > li.nav-item.has-dropdown:nth-child(4) > .nav-dropdown {
    left: auto;
    right: 0;
    transform: translateX(0) translateY(6px);
}
.nav-menu > li.nav-item.has-dropdown:nth-child(4):hover > .nav-dropdown,
.nav-menu > li.nav-item.has-dropdown:nth-child(4):focus-within > .nav-dropdown {
    transform: translateX(0) translateY(0);
}
.nav-dropdown li {
    margin: 0;
}
.nav-dropdown a {
    display: block;
    text-align: left;
    padding: 0.75rem 1rem;
    font-weight: 500;
    font-size: 0.9375rem;
    color: var(--gray-dark);
    border-radius: 8px;
    transition: background 0.18s ease, color 0.18s ease;
}
.nav-dropdown a:hover {
    background: rgba(10, 102, 194, 0.08);
    color: var(--primary);
}
.mobile-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    cursor: pointer;
    padding: 0.5rem;
    margin: -0.5rem -0.5rem -0.5rem 0;
    min-width: 2.75rem;
    min-height: 2.75rem;
    border: none;
    background: transparent;
    border-radius: 8px;
    transition: background 0.2s ease;
}
.mobile-toggle:hover {
    background: rgba(255, 255, 255, 0.06);
}
.mobile-toggle span {
    width: 22px;
    height: 2px;
    background: rgba(255, 255, 255, 0.92);
    border-radius: 1px;
    transition: transform 0.2s ease, opacity 0.2s ease;
}
.mobile-toggle:active span {
    opacity: 0.85;
}

/* 移动端全屏菜单打开时禁止背景滚动 */
body.nav-open {
    overflow: hidden;
}

/* Hero 区：明亮背景，高度缩减，移除滚动探索 */
/* Hero 区：明亮背景，高度 75vh */
.hero {
    position: relative;
    min-height: 70vh;                /* 改为75vh */
    background: linear-gradient(135deg, #EFF6FF 0%, #FFFFFF 100%);
    color: #1F2937;
    display: flex;
    align-items: center;
    overflow: hidden;
    padding: 40px 0;                 /* 缩减上下内边距 */
}
.hero-bg-particles {
    position: absolute;
    inset: 0;
    background-image: radial-gradient(rgba(10,102,194,0.08) 1px, transparent 1px);
    background-size: 40px 40px;
    pointer-events: none;
}
.hero-container {
    position: relative;
    z-index: 2;
    width: 100%;
}
.hero-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 60px;
}
.hero-text {
    flex: 1;
}
.hero-badge {
    display: inline-block;
    background: rgba(10,102,194,0.1);
    backdrop-filter: blur(4px);
    padding: 6px 18px;
    border-radius: 40px;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 24px;
    border: 1px solid rgba(10,102,194,0.2);
    color: var(--primary);
}
.hero-text h1 {
    font-size: 64px;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
    letter-spacing: -1px;
    color: #111827;
}
.hero-text p {
    font-size: 18px;
    color: #4B5563;
    margin-bottom: 40px;
    max-width: 500px;
}
.hero-buttons {
    display: flex;
    gap: 20px;
    margin-bottom: 50px;
}
.btn-outline-light {
    border: 1px solid var(--primary);
    color: var(--primary);
}
.btn-outline-light:hover {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}
.hero-stats {
    display: flex;
    gap: 48px;
}
.hero-stats div strong {
    font-size: 32px;
    font-weight: 700;
    display: block;
    color: var(--primary);
}
.hero-stats div span {
    font-size: 14px;
    color: #6B7280;
}
.hero-visual {
    flex: 1;
    position: relative;
}
.hero-image-wrapper {
    border-radius: 30px;
    overflow: hidden;
    box-shadow: 0 30px 50px -20px rgba(0,0,0,0.15);
}
.hero-image {
    width: 100%;
    height: 420px;
    background-size: cover;
    background-position: center;
    transition: transform 0.6s ease;
}
.hero-image-wrapper:hover .hero-image {
    transform: scale(1.03);
}
.hero-content {
    gap: 40px;                     /* 原60px，缩减 */
}
.hero-buttons {
    margin-bottom: 30px;           /* 原50px，缩减 */
}
.hero-stats {
    gap: 32px;                     /* 原48px，缩减 */
}

.floating-card {
    position: absolute;
    background: rgba(255,255,255,0.9);
    backdrop-filter: blur(8px);
    padding: 12px 24px;
    border-radius: 60px;
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 500;
    border: 1px solid rgba(10,102,194,0.15);
    box-shadow: 0 10px 20px -5px rgba(0,0,0,0.05);
    color: #1F2937;
}
.floating-card i { 
    color: var(--primary); 
    font-size: 20px;
}
.card1 { bottom: 20px; left: -20px; }
.card2 { top: 20px; right: -20px; }

/* 响应式调整 */
@media (max-width: 1200px) {
    .hero-text h1 { font-size: 52px; }
    .hero-image { height: 380px; }
}
@media (max-width: 992px) {
    .hero-content { flex-direction: column; text-align: center; gap: 40px; }
    .hero-text p { margin-left: auto; margin-right: auto; }
    .hero-buttons { justify-content: center; }
    .hero-stats { justify-content: center; }
    .hero-visual { width: 80%; margin: 0 auto; }
}
@media (max-width: 768px) {
    .hero { min-height: auto; padding: 80px 0 40px; }
    .hero-text h1 { font-size: 38px; }
    .hero-image { height: 280px; }
    .floating-card { padding: 8px 16px; font-size: 12px; }
    .card1 { left: -10px; }
    .card2 { right: -10px; }
}

/* 响应式调整 */
@media (max-width: 1200px) {
    .hero-text h1 { font-size: 52px; }
    .hero-image { height: 380px; }
}
@media (max-width: 992px) {
    .hero-content { flex-direction: column; text-align: center; gap: 40px; }
    .hero-text p { margin-left: auto; margin-right: auto; }
    .hero-buttons { justify-content: center; }
    .hero-stats { justify-content: center; }
    .hero-visual { width: 80%; margin: 0 auto; }
}
@media (max-width: 768px) {
    .hero { min-height: auto; padding: 100px 0 40px; }
    .hero-text h1 { font-size: 38px; }
    .hero-image { height: 280px; }
    .floating-card { padding: 8px 16px; font-size: 12px; }
    .card1 { left: -10px; }
    .card2 { right: -10px; }
}

/* 通用节样式 */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}
.section-tag {
    display: inline-block;
    background: rgba(10,102,194,0.1);
    color: var(--primary);
    padding: 4px 16px;
    border-radius: 30px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 16px;
    letter-spacing: 0.5px;
}
.section-header h2 {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}
.section-header p {
    color: var(--gray);
    font-size: 18px;
}

/* 优势区 */
.advantages {
    padding: 100px 0;
    background: var(--white);
}
.adv-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}
.adv-item {
    background: var(--gray-light);
    padding: 40px 30px;
    border-radius: 24px;
    text-align: center;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}
.adv-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-md);
}
.adv-icon i {
    font-size: 48px;
    color: var(--primary);
    margin-bottom: 24px;
}
.adv-item h3 {
    font-size: 24px;
    margin-bottom: 16px;
}
.adv-item p {
    color: var(--gray);
}
.adv-hover-line {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 3px;
    background: var(--primary);
    transition: width 0.4s ease;
}
.adv-item:hover .adv-hover-line {
    width: 100%;
}

/* 核心产品 */
.featured-products {
    padding: 100px 0;
    background: var(--gray-light);
}
.product-block {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    margin-bottom: 80px;
}
a.product-block {
    color: inherit;
    text-decoration: none;
}
a.product-block:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 4px;
    border-radius: 8px;
}
.product-block.reverse {
    direction: rtl;
}
.product-block.reverse .product-info {
    direction: ltr;
}
.product-image {
    position: relative;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
}
.product-image img {
    width: 100%;
    height: auto;
    transition: transform 0.6s;
}
.product-image:hover img {
    transform: scale(1.02);
}
.product-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.2), transparent);
}
.product-info h3 {
    font-size: 32px;
    margin-bottom: 20px;
}
.product-info p {
    color: var(--gray);
    margin-bottom: 24px;
    line-height: 1.6;
}
.product-features {
    margin-bottom: 28px;
}
.product-features li {
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
}
.product-features i {
    color: var(--primary);
}
.link-arrow {
    color: var(--primary);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.link-arrow i {
    transition: transform 0.3s;
}
.link-arrow:hover i,
.product-block:hover .link-arrow i {
    transform: translateX(5px);
}

/* 应用行业 */
.industries {
    padding: 100px 0;
    background: var(--white);
}
.industry-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}
.industry-card {
    background: var(--gray-light);
    padding: 40px 24px;
    border-radius: 24px;
    text-align: center;
    transition: var(--transition);
}
.industry-card:hover {
    transform: translateY(-6px);
    background: white;
    box-shadow: var(--shadow-md);
}
.industry-card i {
    font-size: 48px;
    color: var(--primary);
    margin-bottom: 20px;
}
.industry-card h3 {
    font-size: 22px;
    margin-bottom: 12px;
}
.industry-card p {
    color: var(--gray);
    margin-bottom: 20px;
}
.link-more {
    color: var(--primary);
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

/* 数据统计 */
.stats-section {
    background: linear-gradient(135deg, #0B1120 0%, #1F2937 100%);
    padding: 80px 0;
    color: white;
}
.stats-grid {
    display: flex;
    justify-content: space-between;
    text-align: center;
    flex-wrap: wrap;
    gap: 40px;
}
.stat-item {
    flex: 1;
    min-width: 180px;
}
.stat-item i {
    font-size: 40px;
    color: var(--accent);
    margin-bottom: 16px;
}
.stat-item span:first-of-type {
    font-size: 48px;
    font-weight: 800;
}
.stat-item p {
    margin-top: 8px;
    opacity: 0.8;
}

/* 新闻动态 */
.news-section {
    padding: 100px 0;
    background: var(--white);
}
.news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 50px;
}
.news-card {
    background: var(--gray-light);
    border-radius: 20px;
    overflow: hidden;
    transition: var(--transition);
}
.news-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-md);
}
.news-img {
    height: 220px;
    background-size: cover;
    background-position: center;
    transition: transform 0.5s;
}
.news-card:hover .news-img {
    transform: scale(1.02);
}
.news-info {
    padding: 24px;
}
.news-info .date {
    color: var(--primary);
    font-size: 14px;
    display: block;
    margin-bottom: 8px;
}
.news-info h3 {
    font-size: 20px;
    margin-bottom: 12px;
    line-height: 1.4;
}
.news-info p {
    color: var(--gray);
    margin-bottom: 16px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.read-more {
    color: var(--primary);
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

/* 合作客户 */
.clients {
    padding: 80px 0;
    background: var(--gray-light);
}
.client-logos {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 60px;
}
.client-logos img {
    height: 50px;
    opacity: 0.6;
    transition: opacity 0.3s;
}
.client-logos img:hover {
    opacity: 1;
}

/* CTA */
.cta-simple {
    padding: 100px 0;
    text-align: center;
    background: linear-gradient(135deg, #F9FAFB 0%, #F3F4F6 100%);
}
.cta-simple h2 {
    font-size: 38px;
    margin-bottom: 16px;
}
.cta-simple p {
    color: var(--gray);
    margin-bottom: 32px;
    font-size: 18px;
}

/* 页脚 */
.site-footer {
    background: var(--dark);
    color: #9CA3AF;
    padding: 70px 0 30px;
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
    gap: 50px;
    margin-bottom: 50px;
}
.footer-logo {
    height: 44px;
    margin-bottom: 20px;
}
.footer-brand p {
    line-height: 1.6;
}
.footer-links h4, .footer-contact h4 {
    color: white;
    font-size: 18px;
    margin-bottom: 24px;
}
.footer-links ul li, .footer-contact ul li {
    margin-bottom: 12px;
}
.footer-links a:hover, .footer-contact a:hover {
    color: white;
}
.footer-contact i {
    width: 28px;
    margin-right: 8px;
}
.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid #2D3748;
}
.footer-bottom a {
    color: #9CA3AF;
}
.footer-bottom a:hover {
    color: white;
}

/* 响应式 */
@media (max-width: 1200px) {
    .hero-text h1 { font-size: 52px; }
    .hero-image { height: 400px; }
}
@media (max-width: 992px) {
    .hero-content { flex-direction: column; text-align: center; gap: 40px; }
    .hero-text p { margin-left: auto; margin-right: auto; }
    .hero-buttons { justify-content: center; }
    .hero-stats { justify-content: center; }
    .hero-visual { width: 80%; margin: 0 auto; }
    .product-block, .product-block.reverse { grid-template-columns: 1fr; direction: ltr; gap: 30px; text-align: center; }
    .product-features li { justify-content: center; }
    .industry-grid { grid-template-columns: repeat(2, 1fr); }
    .news-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
}
@media (max-width: 991px) {
    .mobile-toggle {
        display: flex;
    }
    .nav-menu {
        position: fixed;
        top: var(--site-header-height);
        left: -100%;
        width: 100%;
        max-width: 100vw;
        height: calc(100vh - var(--site-header-height));
        max-height: calc(100dvh - var(--site-header-height));
        background: rgba(17, 24, 39, 0.98);
        backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
        flex-direction: column;
        align-items: stretch;
        justify-content: flex-start;
        padding: 0.5rem 0 1.5rem;
        gap: 0;
        overflow-x: hidden;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
        transition: left 0.32s cubic-bezier(0.22, 1, 0.36, 1);
        box-shadow: 0 12px 48px rgba(0, 0, 0, 0.35);
        border-top: 1px solid rgba(255, 255, 255, 0.06);
    }
    .nav-menu.active {
        left: 0;
    }
    .nav-menu > li > a {
        justify-content: flex-start;
        padding: 0.9rem 1.25rem;
        white-space: normal;
        border-bottom: 1px solid rgba(255, 255, 255, 0.07);
        font-size: 0.96rem;
    }
    .nav-menu > li > a::after {
        display: none;
    }
    .nav-menu > li > a.active {
        color: var(--nav-accent);
        background: rgba(227, 28, 28, 0.08);
    }
    .nav-item.has-dropdown > .nav-dropdown {
        position: static;
        transform: none !important;
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
        box-shadow: none;
        background: rgba(0, 0, 0, 0.22);
        min-width: unset;
        max-width: none;
        margin: 0 0.75rem 0.5rem;
        padding: 0.35rem 0.25rem;
        border-radius: 10px;
    }
    .nav-dropdown a {
        text-align: left;
        padding: 0.65rem 1rem;
        color: rgba(255, 255, 255, 0.86);
        font-size: 0.9rem;
    }
    .nav-dropdown a:hover {
        background: rgba(255, 255, 255, 0.08);
        color: #fff;
    }
}
@media (min-width: 992px) {
    body.nav-open {
        overflow: auto;
    }
}
@media (max-width: 768px) {
    .hero-text h1 { font-size: 38px; }
    .hero-image { height: 300px; }
    .floating-card { padding: 8px 16px; font-size: 12px; }
    .card1 { left: -10px; }
    .card2 { right: -10px; }
    .section-header h2 { font-size: 32px; }
    .adv-grid { grid-template-columns: 1fr; }
    .industry-grid { grid-template-columns: 1fr; }
    .stats-grid { flex-direction: column; gap: 30px; }
    .footer-grid { grid-template-columns: 1fr; text-align: center; }
    .footer-contact i { width: auto; margin-right: 5px; }
}

.clients-grid {
    background: var(--gray-light);
    padding: 80px 0;
}
.client-wall {
    display: flex;
    flex-direction: column;
    gap: 40px;
}
.client-row {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 50px;
}
.client-row img {
    height: 50px;
    opacity: 0.6;
    transition: all 0.3s;
    filter: grayscale(0.2);
}
.client-row img:hover {
    opacity: 1;
    filter: grayscale(0);
    transform: scale(1.05);
}
@media (max-width: 768px) {
    .client-row { gap: 30px; }
    .client-row img { height: 35px; }
}

/* 产品详情页样式 */
.product-detail-hero {
    padding: 140px 0 60px;
    background: linear-gradient(135deg, #0B1120 0%, #1F2937 100%);
    color: white;
}
.product-detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}
.product-gallery img {
    width: 100%;
    border-radius: 24px;
    box-shadow: var(--shadow-lg);
}
.product-info h1 {
    font-size: 42px;
    margin-bottom: 12px;
}
.product-subtitle {
    font-size: 18px;
    color: rgba(255,255,255,0.8);
    margin-bottom: 30px;
}
.product-params {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin: 30px 0;
    background: rgba(255,255,255,0.1);
    padding: 20px;
    border-radius: 20px;
}
.product-params div {
    font-size: 16px;
}
.product-params strong {
    display: block;
    font-size: 14px;
    color: var(--accent);
    margin-bottom: 4px;
}
.product-buttons {
    display: flex;
    gap: 20px;
}
.product-description {
    padding: 80px 0;
}
.product-description h2 {
    font-size: 28px;
    margin: 40px 0 20px;
    color: var(--dark);
}
.product-description h2:first-of-type {
    margin-top: 0;
}
.product-description p {
    color: var(--gray);
    line-height: 1.7;
    margin-bottom: 20px;
}
.product-description ul {
    list-style: none;
    margin: 20px 0;
}
.product-description li {
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 12px;
}
.product-description li i {
    color: var(--primary);
}
.related-products {
    margin-top: 60px;
    padding-top: 40px;
    border-top: 1px solid #e5e7eb;
}
.related-products h3 {
    font-size: 24px;
    margin-bottom: 20px;
}
.related-list {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}
.related-list a {
    background: var(--gray-light);
    padding: 10px 24px;
    border-radius: 40px;
    transition: var(--transition);
}
.related-list a:hover {
    background: var(--primary);
    color: white;
}
@media (max-width: 768px) {
    .product-detail-grid { grid-template-columns: 1fr; gap: 40px; text-align: center; }
    .product-buttons { justify-content: center; }
    .product-params { grid-template-columns: 1fr; }
    .product-description h2 { font-size: 24px; }
}

/* 二维码区域样式 */
.qr-code-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #F9FAFB 0%, #F3F4F6 100%);
}
.qr-code-wrapper {
    text-align: center;
}
.qr-header {
    margin-bottom: 48px;
}
.qr-header h2 {
    font-size: 38px;
    font-weight: 700;
    margin-bottom: 16px;
}
.qr-header p {
    color: var(--gray);
    font-size: 18px;
}
.qr-cards {
    display: flex;
    justify-content: center;
    gap: 60px;
    flex-wrap: wrap;
}
.qr-card {
    background: white;
    border-radius: 24px;
    padding: 32px 32px 28px;
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    min-width: 240px;
}
.qr-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}
.qr-img {
    width: 160px;
    height: 160px;
    margin: 0 auto 20px;
    background: #F3F4F6;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}
.qr-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.qr-card h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--dark);
}
.qr-card p {
    color: var(--gray);
    font-size: 14px;
}

@media (max-width: 768px) {
    .qr-cards {
        gap: 30px;
    }
    .qr-header h2 {
        font-size: 28px;
    }
    .qr-img {
        width: 130px;
        height: 130px;
    }
}
/* 通用节样式调整 */
.section {
    padding: 60px 0;                /* 原为80-100px，统一缩减 */
}
.section-header {
    text-align: center;
    margin-bottom: 40px;            /* 原60px，缩减 */
}
.section-header h2 {
    font-size: 38px;                /* 原42px，微调 */
    margin-bottom: 12px;
}
.section-header p {
    font-size: 16px;               /* 原18px，微调 */
}

/* 优势区 */
.advantages {
    padding: 20px 0;               /* 原100px */
}

/* 产品展示区 */
.featured-products {
    padding: 20px 0;               /* 原100px */
}

/* 应用行业 */
.industries {
    padding: 20px 0;               /* 原100px */
}

/* 数据荣誉区 */
.stats-section {
    padding: 20px 0;               /* 原80px */
}

/* 新闻动态 */
.news-section {
    padding: 20px 0;               /* 原100px */
}

/* 合作客户 */
.clients {
    padding: 20px 0;               /* 原80px */
}

/* 二维码区域 */
.qr-code-section {
    padding: 20px 0;               /* 原80px */
}

/* 产品展示块内部间距 */
.product-block {
    margin-bottom: 10px;           /* 原80px，减小 */
}

/* 新闻卡片内边距 */
.news-info {
    padding: 20px;                 /* 原24px，缩减 */
}

/* 优势卡片内边距 */
.adv-item {
    padding: 32px 24px;            /* 原40px 30px，缩减 */
}

@media (max-width: 768px) {
    .section {
        padding: 40px 0;
    }
    .section-header {
        margin-bottom: 30px;
    }
    .section-header h2 {
        font-size: 28px;
    }
    .product-block {
        margin-bottom: 40px;
    }
    .news-info {
        padding: 16px;
    }
    .adv-item {
        padding: 24px 20px;
    }
}

/* about 页面专用样式 */
.page-hero {
    background: linear-gradient(135deg, #0B1120 0%, #1F2937 100%);
    padding: 140px 0 80px;
    text-align: center;
    color: white;
}
.page-hero h1 {
    font-size: 48px;
    margin-bottom: 16px;
}
.page-hero p {
    font-size: 18px;
    opacity: 0.8;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}
.about-text h2 {
    font-size: 36px;
    margin: 16px 0 24px;
}
.about-stats {
    display: flex;
    gap: 40px;
    margin-top: 32px;
}
.about-stats div strong {
    font-size: 32px;
    color: var(--primary);
    display: block;
}
.about-image img {
    width: 100%;
    border-radius: 24px;
    box-shadow: var(--shadow-md);
}

/* 时间线 */
.timeline-section {
    background: var(--gray-light);
}
.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    padding: 20px 0;
}
.timeline::before {
    content: '';
    position: absolute;
    left: 20px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--primary);
}
.timeline-item {
    position: relative;
    padding-left: 60px;
    margin-bottom: 48px;
}
.timeline-year {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 8px;
}
.timeline-dot {
    position: absolute;
    left: 11px;
    top: 8px;
    width: 12px;
    height: 12px;
    background: var(--primary);
    border-radius: 50%;
    box-shadow: 0 0 0 4px rgba(10,102,194,0.2);
}
.timeline-content h3 {
    font-size: 20px;
    margin-bottom: 8px;
}
.timeline-content p {
    color: var(--gray);
}

/* 荣誉卡片 */
.honors-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}
.honor-card {
    background: white;
    padding: 32px 24px;
    border-radius: 24px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}
.honor-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-md);
}
.honor-card i {
    font-size: 48px;
    color: var(--primary);
    margin-bottom: 20px;
}
.honor-card h3 {
    font-size: 22px;
    margin-bottom: 12px;
}

/* 企业文化 */
.culture-flex {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}
.culture-text h2 {
    font-size: 36px;
    margin: 16px 0 24px;
}
.culture-features {
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
    margin-top: 32px;
}
.culture-features div {
    background: var(--gray-light);
    padding: 12px 24px;
    border-radius: 40px;
    font-weight: 500;
}
.culture-features i {
    margin-right: 8px;
    color: var(--primary);
}
.culture-image img {
    width: 100%;
    border-radius: 24px;
    box-shadow: var(--shadow-md);
}

/* 愿景卡片 */
.vision-box {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    text-align: center;
}
.vision-item i {
    font-size: 48px;
    color: var(--primary);
    margin-bottom: 20px;
}
.vision-item h3 {
    font-size: 24px;
    margin-bottom: 12px;
}
.vision-item p {
    color: var(--gray);
}

/* 响应式 */
@media (max-width: 992px) {
    .about-grid, .culture-flex {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .vision-box {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    .timeline::before {
        left: 10px;
    }
    .timeline-item {
        padding-left: 40px;
    }
    .timeline-dot {
        left: 1px;
    }
}
@media (max-width: 768px) {
    .page-hero {
        padding: 100px 0 50px;
    }
    .page-hero h1 {
        font-size: 36px;
    }
    .about-stats {
        flex-wrap: wrap;
        gap: 20px;
    }
}