/* ===== CSS Reset & Base ===== */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: 'Microsoft YaHei', 'PingFang SC', 'Helvetica Neue', Arial, sans-serif; color: #333; line-height: 1.6; overflow-x: hidden; }
body.menu-open { overflow: hidden; }
a { text-decoration: none; color: inherit; transition: all 0.3s ease; }
ul, ol { list-style: none; }
img { max-width: 100%; height: auto; }

/* ===== Header & Navigation ===== */
.site-header { position: fixed; top: 0; left: 0; width: 100%; z-index: 1000; background: #fff; transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1); }
.site-header.scrolled { box-shadow: 0 2px 20px rgba(0,0,0,0.08); }
.header-inner { padding: 0; }
.header-inner .container { display: flex; align-items: center; justify-content: space-between; height: 72px; }

/* Logo — 匹配官网双色（蓝Acce + 红link） */
.logo { display: flex; align-items: center; text-decoration: none; flex-shrink: 0; }
.logo img { height: 44px; width: auto; display: block; }
.logo-acce { font-size: 26px; font-weight: 800; color: #0066CC; letter-spacing: -0.5px; font-family: 'Arial Black', 'Helvetica Neue', Arial, sans-serif; }
.logo-link { font-size: 26px; font-weight: 800; color: #E60012; letter-spacing: -0.5px; font-family: 'Arial Black', 'Helvetica Neue', Arial, sans-serif; }
.logo-text { font-size: 24px; font-weight: 700; color: #0066CC; letter-spacing: 0.5px; font-family: 'Arial Black', 'Helvetica Neue', Arial, sans-serif; }

/* PC端导航列表 */
.main-nav { flex: 1; display: flex; justify-content: center; }
.nav-list { display: flex; align-items: center; gap: 0; list-style: none; margin: 0; padding: 0; }
.nav-item { position: relative; }
.nav-item > a { display: flex; align-items: center; gap: 5px; padding: 0 18px; height: 72px; line-height: 72px; font-size: 15px; color: #333; font-weight: 500; transition: color 0.3s; white-space: nowrap; }
.nav-item > a i.fa-chevron-down { font-size: 10px; transition: transform 0.3s; opacity: 0.5; }
.nav-item > a:hover, .nav-item.active > a { color: #0066CC; }
.nav-item:hover > a i.fa-chevron-down { transform: rotate(180deg); opacity: 1; }
/* 底部指示线 */
.nav-item > a::after { content: ''; position: absolute; bottom: 0; left: 50%; width: 0; height: 3px; background: #0066CC; transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1); transform: translateX(-50%); border-radius: 2px 2px 0 0; }
.nav-item > a:hover::after, .nav-item.active > a::after { width: calc(100% - 36px); }

/* PC端二级下拉菜单 */
.nav-dropdown { position: absolute; top: 100%; left: 50%; transform: translateX(-50%) translateY(8px); opacity: 0; visibility: hidden; min-width: 220px; background: #fff; border-radius: 12px; box-shadow: 0 12px 48px rgba(0,0,0,0.12), 0 2px 8px rgba(0,0,0,0.06); padding: 12px 0; transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1); z-index: 100; pointer-events: none; }
.nav-item:hover > .nav-dropdown { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); pointer-events: auto; }
.dropdown-inner { padding: 4px 0; }
.dropdown-item { display: flex; align-items: center; gap: 12px; padding: 10px 20px; font-size: 14px; color: #555; transition: all 0.25s; border-radius: 0; }
.dropdown-item:hover { color: #0066CC; background: #f5f9ff; padding-left: 24px; }
.bar-item { padding: 11px 20px; border-left: 3px solid transparent; gap: 0; }
.bar-item .bar { width: 4px; height: 18px; background: #0066CC; border-radius: 2px; margin-right: 14px; flex-shrink: 0; }
.bar-item:hover { border-left-color: #0066CC; }

/* 右侧工具栏 */
.header-tools { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }
.lang-switch { display: flex; align-items: center; gap: 2px; margin-right: 4px; }
.lang-btn { display: flex; align-items: center; justify-content: center; width: 32px; height: 32px; border-radius: 6px; font-size: 12px; font-weight: 600; color: #666; transition: all 0.25s; }
.lang-btn:hover { color: #0066CC; background: #f0f5ff; }
.lang-btn.active { color: #0066CC; background: #e6f0ff; }

/* 搜索 */
.search-box { position: relative; }
.search-toggle { width: 36px; height: 36px; border: none; background: transparent; color: #555; font-size: 15px; cursor: pointer; border-radius: 8px; transition: all 0.25s; display: flex; align-items: center; justify-content: center; }
.search-toggle:hover { color: #0066CC; background: #f0f5ff; }
.search-panel { position: absolute; top: 100%; right: -10px; margin-top: 12px; width: 320px; background: #fff; border-radius: 12px; box-shadow: 0 12px 48px rgba(0,0,0,0.12); padding: 6px; opacity: 0; visibility: hidden; transform: translateY(8px); transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1); pointer-events: none; z-index: 200; }
.search-box.active .search-panel { opacity: 1; visibility: visible; transform: translateY(0); pointer-events: auto; }
.search-panel input { width: 100%; padding: 12px 14px; border: 2px solid #eee; border-radius: 8px; font-size: 14px; color: #333; outline: none; transition: border-color 0.25s; background: #fafafa; }
.search-panel input:focus { border-color: #0066CC; background: #fff; }
.search-panel input::placeholder { color: #aaa; }
.search-submit { position: absolute; right: 12px; top: 50%; transform: translateY(-50%); width: 32px; height: 32px; border: none; background: #0066CC; color: #fff; border-radius: 6px; cursor: pointer; font-size: 12px; display: flex; align-items: center; justify-content: center; transition: background 0.25s; }
.search-submit:hover { background: #0088ff; }

/* 询盘车按钮 */
.tool-btn { position: relative; width: 36px; height: 36px; border: none; background: transparent; color: #555; font-size: 15px; cursor: pointer; border-radius: 8px; transition: all 0.25s; display: flex; align-items: center; justify-content: center; text-decoration: none; }
.tool-btn:hover { color: #0066CC; background: #f0f5ff; }
.cart-badge { position: absolute; top: 2px; right: 2px; min-width: 16px; height: 16px; background: #E60012; color: #fff; font-size: 10px; font-weight: 700; border-radius: 8px; display: flex; align-items: center; justify-content: center; padding: 0 4px; line-height: 1; }

/* 汉堡菜单按钮（PC端隐藏） */
.mobile-toggle { display: none; width: 40px; height: 40px; border: none; background: transparent; cursor: pointer; padding: 8px; flex-direction: column; justify-content: center; align-items: center; gap: 5px; border-radius: 8px; transition: background 0.25s; }
.mobile-toggle:hover { background: #f0f5ff; }
.mobile-toggle span { display: block; width: 22px; height: 2px; background: #333; border-radius: 2px; transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1); }
.mobile-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.mobile-toggle.active span:nth-child(2) { opacity: 0; width: 0; }
.mobile-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ===== 移动端侧边导航 ===== */
.mobile-overlay { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.5); z-index: 1001; opacity: 0; visibility: hidden; transition: all 0.35s; backdrop-filter: blur(2px); }
.mobile-overlay.active { opacity: 1; visibility: visible; }
.mobile-nav { position: fixed; top: 0; right: -320px; width: 300px; height: 100%; background: #fff; z-index: 1002; transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1); overflow-y: auto; box-shadow: -8px 0 30px rgba(0,0,0,0.1); }
.mobile-nav.active { right: 0; }
.mobile-nav-header { display: flex; align-items: center; justify-content: space-between; padding: 16px 20px; border-bottom: 1px solid #f0f0f0; }
.mobile-close { width: 36px; height: 36px; border: none; background: #f5f5f5; border-radius: 8px; cursor: pointer; font-size: 16px; color: #666; display: flex; align-items: center; justify-content: center; transition: all 0.25s; }
.mobile-close:hover { background: #eee; color: #333; }
.mobile-nav-body { padding: 12px 0; }
.mobile-nav-list { list-style: none; margin: 0; padding: 0; }
.mobile-nav-item > a { display: flex; align-items: center; justify-content: space-between; padding: 14px 20px; font-size: 15px; font-weight: 500; color: #333; transition: all 0.25s; }
.mobile-nav-item > a:hover { color: #0066CC; background: #f5f9ff; }
.mobile-nav-item > a i.fa-chevron-right { font-size: 11px; color: #ccc; transition: transform 0.3s; }
.mobile-nav-item.open > a i.fa-chevron-right { transform: rotate(90deg); color: #0066CC; }
.mobile-sub-menu { max-height: 0; overflow: hidden; transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1); background: #fafbfc; }
.mobile-nav-item.open .mobile-sub-menu { max-height: 500px; }
.mobile-sub-menu li a { display: block; padding: 10px 20px 10px 40px; font-size: 14px; color: #666; transition: all 0.25s; }
.mobile-sub-menu li a:hover { color: #0066CC; padding-left: 48px; background: #f0f5ff; }
.mobile-nav-footer { padding: 16px 20px; border-top: 1px solid #f0f0f0; }
.mobile-lang { display: flex; align-items: center; gap: 8px; font-size: 13px; color: #999; }
.mobile-lang a { color: #666; transition: color 0.25s; }
.mobile-lang a:hover, .mobile-lang a.active { color: #0066CC; font-weight: 600; }

/* ===== 响应式 ===== */
@media (max-width: 1200px) {
    .nav-item > a { padding: 0 14px; font-size: 14px; }
    .nav-dropdown { min-width: 200px; }
}
@media (max-width: 992px) {
    .main-nav { display: none; }
    .lang-switch { display: none; }
    .mobile-toggle { display: flex; }
    .header-inner .container { height: 60px; }
    .logo-acce, .logo-link { font-size: 22px; }
}

/* ===== Hero Banner / Swiper ===== */
.hero-banner { position: relative; width: 100%; aspect-ratio: 1920 / 900; max-height: 900px; overflow: hidden; margin-top: 0; }
.hero-banner .swiper-container, .hero-banner .swiper-wrapper { height: 100%; }
.hero-banner .swiper-slide { position: relative; width: 100%; height: 100%; }
.hero-banner .swiper-slide::before { content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: radial-gradient(ellipse at 70% 50%, rgba(255,255,255,0.06) 0%, transparent 60%); pointer-events: none; }

/* Slide inner — 左文右图 flex 布局 */
.slide-inner { display: flex; align-items: center; justify-content: space-between; width: 100%; max-width: 1280px; margin: 0 auto; padding: 0 60px; position: relative; z-index: 2; }
.slide-content { flex: 0 0 50%; color: #fff; padding-right: 40px; }
.slide-content .slide-tag { display: inline-block; padding: 6px 16px; background: rgba(255,255,255,0.12); border: 1px solid rgba(255,255,255,0.2); border-radius: 20px; font-size: 13px; font-weight: 500; margin-bottom: 20px; letter-spacing: 1px; backdrop-filter: blur(10px); }
.slide-content h2 { font-size: 48px; font-weight: 700; margin-bottom: 16px; line-height: 1.15; letter-spacing: 1px; }
.slide-content .slide-desc { font-size: 16px; line-height: 1.8; opacity: 0.8; margin-bottom: 4px; max-width: 440px; }
.slide-content .btn-learn-more { display: inline-flex; align-items: center; gap: 8px; margin-top: 32px; padding: 14px 36px; background: linear-gradient(135deg, #0066CC, #0088ff); color: #fff; border: none; border-radius: 30px; font-size: 15px; font-weight: 600; letter-spacing: 0.5px; transition: all 0.35s cubic-bezier(0.25, 0.8, 0.25, 1); box-shadow: 0 4px 20px rgba(0,102,204,0.3); }
.slide-content .btn-learn-more:hover { background: linear-gradient(135deg, #0088ff, #00aaff); transform: translateY(-2px); box-shadow: 0 8px 30px rgba(0,102,204,0.45); }
.slide-content .btn-learn-more i { font-size: 13px; transition: transform 0.3s; }
.slide-content .btn-learn-more:hover i { transform: translateX(4px); }

/* 右侧产品视觉区 */
.slide-visual { flex: 0 0 45%; display: flex; align-items: center; justify-content: center; }
.slide-visual svg { width: 100%; max-width: 420px; height: auto; filter: drop-shadow(0 20px 60px rgba(0,0,0,0.3)); }

/* 分页器 */
.hero-banner .swiper-pagination { bottom: 40px; z-index: 10; }
.hero-banner .swiper-pagination-bullet { width: 10px; height: 10px; border-radius: 50%; background: rgba(255,255,255,0.4); opacity: 1; transition: all 0.4s; margin: 0 6px; }
.hero-banner .swiper-pagination-bullet-active { background: #fff; width: 28px; border-radius: 5px; box-shadow: 0 0 10px rgba(255,255,255,0.4); }

/* 左右箭头 */
.hero-banner .swiper-button-next, .hero-banner .swiper-button-prev { color: #fff; width: 52px; height: 52px; background: rgba(255,255,255,0.1); border-radius: 50%; transition: all 0.4s; backdrop-filter: blur(4px); border: 1px solid rgba(255,255,255,0.15); }
.hero-banner .swiper-button-next:hover, .hero-banner .swiper-button-prev:hover { background: rgba(255,255,255,0.25); transform: scale(1.08); }
.hero-banner .swiper-button-next::after, .hero-banner .swiper-button-prev::after { font-size: 16px; font-weight: bold; }
.hero-banner .swiper-button-prev { left: 30px; }
.hero-banner .swiper-button-next { right: 30px; }

/* Header 覆盖在 Banner 上方 */
.site-header { z-index: 100; }
.header-main .container { position: relative; z-index: 2; }

/* Hero 响应式 */
@media (max-width: 992px) {
    .slide-inner { flex-direction: column; padding: 0 30px; text-align: center; }
    .slide-content { flex: none; padding-right: 0; margin-bottom: 40px; }
    .slide-content h2 { font-size: 32px; }
    .slide-content .slide-desc { max-width: none; }
    .slide-visual { flex: none; }
    .slide-visual svg { max-width: 280px; }
}
@media (max-width: 576px) {
    .slide-inner { padding: 0 20px; }
    .slide-content h2 { font-size: 26px; }
    .slide-content .slide-desc { font-size: 14px; }
    .slide-visual svg { max-width: 220px; }
}

/* ===== Section Common ===== */
.section { padding: 80px 0; }
.section-header { text-align: center; margin-bottom: 60px; }
.section-header h2 { font-size: 32px; font-weight: 700; color: #1a1a2e; margin-bottom: 16px; position: relative; display: inline-block; }
.section-header h2::after { content: ''; position: absolute; bottom: -10px; left: 50%; transform: translateX(-50%); width: 60px; height: 3px; background: #0066CC; border-radius: 2px; }
.section-header p { color: #666; font-size: 16px; margin-top: 20px; max-width: 600px; margin-left: auto; margin-right: auto; }
.section-header .btn-more { display: inline-block; margin-top: 24px; padding: 8px 24px; border: 1px solid #0066CC; color: #0066CC; border-radius: 4px; font-size: 14px; transition: all 0.3s; }
.section-header .btn-more:hover { background: #0066CC; color: #fff; }

/* ===== About Section ===== */
.about-section { background: #f5f7fa; }
.about-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; }
.about-card { background: #fff; border-radius: 8px; padding: 40px 30px; text-align: center; transition: all 0.3s; box-shadow: 0 4px 20px rgba(0,0,0,0.04); }
.about-card:hover { transform: translateY(-8px); box-shadow: 0 12px 40px rgba(0,0,0,0.1); }
.about-card .icon { width: 64px; height: 64px; margin: 0 auto 20px; background: linear-gradient(135deg, #0066CC, #0088ff); border-radius: 16px; display: flex; align-items: center; justify-content: center; }
.about-card .icon i { font-size: 28px; color: #fff; }
.about-card h3 { font-size: 18px; font-weight: 600; color: #1a1a2e; margin-bottom: 12px; }
.about-card p { font-size: 14px; color: #666; line-height: 1.8; }

/* ===== Products Section ===== */
.products-section { background: #fff; }
.product-tabs { display: flex; justify-content: center; gap: 10px; margin-bottom: 40px; flex-wrap: nowrap; }
.product-tabs .tab-btn { padding: 10px 18px; border: 1px solid #ddd; border-radius: 30px; font-size: 13px; color: #555; cursor: pointer; transition: all 0.3s; background: #fff; white-space: nowrap; }
.product-tabs .tab-btn.active, .product-tabs .tab-btn:hover { border-color: #0066CC; color: #0066CC; background: #f0f7ff; }
.products-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.product-card { background: #fff; border-radius: 12px; overflow: hidden; border: 1px solid #eee; transition: all 0.35s cubic-bezier(0.25, 0.8, 0.25, 1); cursor: pointer; }
.product-card:hover { transform: translateY(-6px); box-shadow: 0 16px 48px rgba(0,0,0,0.1); border-color: #0066CC; }
.product-card .img-wrap { height: 220px; display: flex; align-items: center; justify-content: center; overflow: hidden; position: relative; }
.product-card .img-wrap .product-icon { width: 120px; height: 120px; border-radius: 24px; display: flex; align-items: center; justify-content: center; transition: all 0.4s; }
.product-card .img-wrap .product-icon i { font-size: 48px; color: #fff; }
.product-card:hover .img-wrap .product-icon { transform: scale(1.08); }
.product-card .info { padding: 20px 24px 24px; }
.product-card .info .cat-label { display: inline-block; font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: 1px; padding: 3px 10px; border-radius: 10px; margin-bottom: 10px; }
.product-card .info h4 { font-size: 17px; font-weight: 600; color: #1a1a2e; margin-bottom: 8px; line-height: 1.4; }
.product-card .info p { font-size: 13px; color: #888; line-height: 1.6; margin-bottom: 12px; }
.product-card .info .card-link { font-size: 13px; color: #0066CC; font-weight: 600; display: inline-flex; align-items: center; gap: 4px; transition: gap 0.3s; }
.product-card .info .card-link i { font-size: 11px; }
.product-card:hover .info .card-link { gap: 8px; }

/* ===== Solutions Section ===== */
.solutions-section { background: #1a1a2e; color: #fff; }
.solutions-section .section-header h2 { color: #fff; }
.solutions-section .section-header h2::after { background: #0088ff; left: 0; transform: none; }
.solutions-section .section-header p { color: rgba(255,255,255,0.7); }
.solutions-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: start; }
.solutions-left { display: flex; flex-direction: column; }
.solutions-right { }
.solutions-right .solution-img { display: none; }
.solutions-right .solution-img.active { display: block; }
.solutions-right .solution-img img { width: 100%; }
.solutions-tabs { display: flex; justify-content: center; gap: 0; margin-bottom: 30px; }
.solutions-tabs .tab-btn { padding: 12px 28px; font-size: 14px; color: rgba(255,255,255,0.6); cursor: pointer; transition: all 0.3s; border-bottom: 2px solid transparent; background: none; border-top: none; border-left: none; border-right: none; }
.solutions-tabs .tab-btn.active, .solutions-tabs .tab-btn:hover { color: #fff; border-bottom-color: #0088ff; }
.solutions-content { }
.solutions-content .solution-item { display: none; }
.solutions-content .solution-item.active { display: block; }
.solutions-content .solution-item h3 { font-size: 24px; font-weight: 600; margin-bottom: 16px; }
.solutions-content .solution-item p { font-size: 14px; color: rgba(255,255,255,0.7); line-height: 1.8; margin-bottom: 20px; }
.solutions-content .solution-item .btn-solution { display: inline-block; padding: 10px 28px; border: 1px solid #0088ff; color: #0088ff; border-radius: 4px; font-size: 14px; transition: all 0.3s; }
.solutions-content .solution-item .btn-solution:hover { background: #0088ff; color: #fff; }

/* ===== News Section ===== */
.news-section { background: #fff; }
.news-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; }
.news-list { display: flex; flex-direction: column; gap: 20px; }
.news-item { display: flex; gap: 20px; padding-bottom: 20px; border-bottom: 1px solid #eee; transition: all 0.3s; }
.news-item:hover { padding-left: 10px; }
.news-item .date { flex-shrink: 0; width: 70px; text-align: center; }
.news-item .date .day { font-size: 28px; font-weight: 700; color: #0066CC; line-height: 1; }
.news-item .date .month { font-size: 13px; color: #999; margin-top: 4px; }
.news-item .info h4 { font-size: 15px; font-weight: 600; color: #1a1a2e; margin-bottom: 8px; line-height: 1.5; transition: color 0.3s; }
.news-item:hover .info h4 { color: #0066CC; }
.news-item .info p { font-size: 13px; color: #888; line-height: 1.6; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-featured { }
.news-featured img { width: 100%; object-fit: cover; transition: transform 0.5s; border-radius: 8px; }
.news-featured:hover img { transform: scale(1.03); }

/* ===== Footer ===== */
.site-footer { background: #f5f6fa; color: #555; padding: 60px 0 0; }
.footer-main { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr 1.5fr; gap: 40px; padding-bottom: 40px; border-bottom: 1px solid rgba(0,0,0,0.08); }
.footer-col h4 { color: #1a1a2e; font-size: 16px; font-weight: 600; margin-bottom: 20px; position: relative; padding-bottom: 10px; }
.footer-col h4::after { content: ''; position: absolute; bottom: 0; left: 0; width: 30px; height: 2px; background: #0088ff; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { color: #666; font-size: 14px; transition: all 0.3s; }
.footer-col ul li a:hover { color: #0088ff; padding-left: 5px; }
.footer-contact p { font-size: 14px; margin-bottom: 10px; }
.footer-contact p i { margin-right: 8px; color: #0088ff; }
.footer-form .form-group { margin-bottom: 14px; position: relative; }
.footer-form select,
.footer-form input,
.footer-form textarea { width: 100%; padding: 11px 14px; background: #fff; border: 1px solid #ddd; border-radius: 6px; color: #333; font-size: 14px; transition: all 0.3s; font-family: inherit; }
.footer-form select { appearance: none; -webkit-appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='rgba(0,0,0,0.4)' d='M6 8L1 3h10z'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 12px center; padding-right: 32px; cursor: pointer; }
.footer-form select option { color: #333; background: #fff; }
.footer-form input::placeholder,
.footer-form textarea::placeholder { color: #aaa; }
.footer-form input:focus,
.footer-form textarea:focus,
.footer-form select:focus { border-color: #0088ff; outline: none; background: #fff; box-shadow: 0 0 0 3px rgba(0,136,255,0.1); }
.footer-form textarea { height: 80px; resize: none; line-height: 1.6; }

/* 表单验证状态 */
.footer-form .form-group.has-error select,
.footer-form .form-group.has-error input,
.footer-form .form-group.has-error textarea { border-color: #ff4d4f; background: rgba(255,77,79,0.06); }
.footer-form .form-group.has-error select:focus,
.footer-form .form-group.has-error input:focus,
.footer-form .form-group.has-error textarea:focus { box-shadow: 0 0 0 3px rgba(255,77,79,0.15); }
.field-error { display: none; font-size: 12px; color: #ff4d4f; margin-top: 4px; padding-left: 2px; }
.footer-form .form-group.has-error .field-error { display: block; }

/* 提交按钮 */
.footer-form button[type="submit"] { width: 100%; padding: 12px; background: linear-gradient(135deg, #0066CC, #0088ff); color: #fff; border: none; border-radius: 6px; font-size: 14px; font-weight: 600; cursor: pointer; transition: all 0.3s; letter-spacing: 1px; position: relative; overflow: hidden; }
.footer-form button[type="submit"]:hover { background: linear-gradient(135deg, #0088ff, #00aaff); transform: translateY(-1px); box-shadow: 0 4px 15px rgba(0,102,204,0.4); }
.footer-form button[type="submit"]:active { transform: translateY(0); }
.footer-form button[type="submit"]:disabled { opacity: 0.6; cursor: not-allowed; transform: none; box-shadow: none; }
.footer-form .btn-loading { display: inline-flex; align-items: center; gap: 6px; }

/* 反馈消息 */
.form-feedback { margin-top: 10px; padding: 0; border-radius: 6px; font-size: 13px; line-height: 1.5; display: none; }
.form-feedback.show { display: flex; align-items: center; gap: 8px; padding: 10px 14px; animation: feedbackSlideIn 0.3s ease; }
.form-feedback.success { background: rgba(52,199,89,0.15); color: #34c759; border: 1px solid rgba(52,199,89,0.3); }
.form-feedback.error { background: rgba(255,77,79,0.15); color: #ff6b6d; border: 1px solid rgba(255,77,79,0.3); }
@keyframes feedbackSlideIn { from { opacity: 0; transform: translateY(-8px); } to { opacity: 1; transform: translateY(0); } }
.footer-bottom { padding: 20px 0; text-align: center; font-size: 13px; }
.footer-bottom a { color: #999; margin: 0 10px; }
.footer-bottom a:hover { color: #0088ff; }
.footer-social { display: flex; gap: 12px; margin-top: 16px; }
.footer-social a { width: 36px; height: 36px; border-radius: 50%; background: rgba(0,0,0,0.06); display: flex; align-items: center; justify-content: center; color: #666; font-size: 14px; transition: all 0.3s; }
.footer-social a:hover { background: #0066CC; color: #fff; transform: translateY(-3px); }

/* ===== Back to Top ===== */
.back-to-top { position: fixed; bottom: 40px; right: 40px; width: 44px; height: 44px; background: #0066CC; color: #fff; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 18px; cursor: pointer; opacity: 0; visibility: hidden; transition: all 0.3s; z-index: 999; box-shadow: 0 4px 15px rgba(0,102,204,0.3); }
.back-to-top.visible { opacity: 1; visibility: visible; }
.back-to-top:hover { background: #0088ff; transform: translateY(-3px); }

/* ===== Inquiry Cart ===== */
.inquiry-cart { position: fixed; right: 20px; bottom: 100px; z-index: 998; }
.inquiry-cart a { display: flex; flex-direction: column; align-items: center; gap: 4px; padding: 12px; background: #0066CC; color: #fff; border-radius: 8px; font-size: 12px; box-shadow: 0 4px 15px rgba(0,102,204,0.3); transition: all 0.3s; }
.inquiry-cart a:hover { background: #0088ff; transform: translateY(-3px); }
.inquiry-cart a i { font-size: 20px; }
.inquiry-cart .badge { position: absolute; top: -5px; right: -5px; width: 20px; height: 20px; background: #ff4444; border-radius: 50%; font-size: 11px; display: flex; align-items: center; justify-content: center; }

/* ===== Responsive ===== */
@media (max-width: 1200px) {
    .about-grid { grid-template-columns: repeat(2, 1fr); }
    .products-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-main { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 768px) {
    .header-top { display: none; }
    .mobile-toggle { display: flex; }
    .hero-banner { height: 500px; min-height: 400px; max-height: 700px; }
    .hero-banner .swiper-slide { height: 500px; min-height: 400px; max-height: 700px; }
    .slide-content { padding: 0 30px; }
    .slide-content h2 { font-size: 28px; }
    .slide-bg-product { display: none; }
    .section { padding: 50px 0; }
    .section-header h2 { font-size: 26px; }
    .about-grid { grid-template-columns: 1fr; }
    .products-grid { grid-template-columns: 1fr; }
    .solution-item.active { grid-template-columns: 1fr; }
    .news-grid { grid-template-columns: 1fr; }
    .footer-main { grid-template-columns: 1fr; }
    .solutions-tabs { flex-wrap: wrap; justify-content: flex-start; overflow-x: auto; }
    .product-tabs { justify-content: flex-start; overflow-x: auto; }
}

/* ===== Page Banner (内页Banner) ===== */
.page-banner { position: relative; padding: 30px 0; margin-top: 90px; }
.page-banner h1 { font-size: 28px; color: #1a1a2e; font-weight: 700; margin-bottom: 8px; }
.breadcrumb { display: flex; align-items: center; gap: 8px; font-size: 14px; }
.breadcrumb a { color: #888; }
.breadcrumb a:hover { color: #0066CC; }
.breadcrumb span { color: #aaa; }
.breadcrumb .current { color: #1a1a2e; }

/* ===== Page Content ===== */
.page-content { line-height: 1.8; color: #333; font-size: 15px; }
.page-content h1, .page-content h2, .page-content h3, .page-content h4 { color: #1a1a2e; margin-top: 24px; margin-bottom: 12px; font-weight: 600; }
.page-content h2 { font-size: 22px; }
.page-content h3 { font-size: 18px; }
.page-content p { margin-bottom: 16px; }
.page-content ul, .page-content ol { margin-bottom: 16px; padding-left: 24px; }
.page-content li { margin-bottom: 8px; }
.page-content img { max-width: 100%; height: auto; border-radius: 8px; }
.page-content a { color: #0066CC; }
.page-content a:hover { color: #0088ff; }

/* ===== Product Category Page ===== */
.category-section { padding: 60px 0; }
.category-layout { display: grid; grid-template-columns: 260px 1fr; gap: 40px; }
.category-sidebar { position: sticky; top: 120px; align-self: start; }
.category-sidebar h3 { font-size: 18px; font-weight: 600; color: #1a1a2e; margin-bottom: 16px; padding-bottom: 12px; border-bottom: 2px solid #0066CC; }
.category-sidebar ul li a { display: block; padding: 10px 16px; font-size: 14px; color: #555; border-radius: 4px; margin-bottom: 4px; transition: all 0.3s; }
.category-sidebar ul li a:hover, .category-sidebar ul li a.active { background: #f0f7ff; color: #0066CC; }
.filter-bar { display: flex; gap: 16px; margin-bottom: 20px; flex-wrap: wrap; align-items: center; padding: 20px; background: #f8f9fa; border-radius: 8px; border: 1px solid #e9ecef; }
.filter-bar .filter-group { display: flex; flex-direction: column; gap: 6px; }
.filter-bar .filter-group label { font-size: 13px; font-weight: 500; color: #555; }
.filter-bar select { padding: 8px 36px 8px 12px; border: 1px solid #ddd; border-radius: 4px; font-size: 14px; color: #333; background: #fff; cursor: pointer; min-width: 140px; appearance: none; background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23999' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e"); background-repeat: no-repeat; background-position: right 8px center; background-size: 16px; }
.filter-bar select:focus { border-color: #0066CC; outline: none; box-shadow: 0 0 0 3px rgba(0,102,204,0.1); }
.filter-bar .filter-actions { justify-content: flex-end; }
.filter-bar .filter-actions label { visibility: hidden; }
.filter-bar .btn-reset { padding: 8px 20px; background: #fff; border: 1px solid #ddd; color: #666; border-radius: 4px; font-size: 14px; cursor: pointer; transition: all 0.3s; width: 100%; }
.filter-bar .btn-reset:hover { border-color: #0066CC; color: #0066CC; }
.filter-result { margin-bottom: 16px; font-size: 14px; color: #666; }
.filter-result span { color: #0066CC; font-weight: 600; }
.product-list-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.product-list-card { background: #fff; border: 1px solid #eee; border-radius: 8px; overflow: hidden; transition: all 0.3s; }
.product-list-card:hover { transform: translateY(-5px); box-shadow: 0 10px 30px rgba(0,0,0,0.1); border-color: #0066CC; }
.product-list-card .thumb { height: 200px; background: #fff; display: flex; align-items: center; justify-content: center; }
.product-list-card .detail { padding: 16px; }
.product-list-card .detail h4 { font-size: 15px; font-weight: 600; color: #1a1a2e; margin-bottom: 8px; }
.product-list-card .detail p { font-size: 13px; color: #888; line-height: 1.6; margin-bottom: 12px; }
.product-list-card .detail .specs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 12px; }
.product-list-card .detail .specs span { padding: 2px 8px; background: #f0f7ff; color: #0066CC; font-size: 12px; border-radius: 3px; }
.product-list-card .detail .btn-detail { display: inline-flex; align-items: center; justify-content: center; padding: 6px 12px; border: 1px solid #0066CC; color: #0066CC; border-radius: 4px; font-size: 13px; transition: all 0.3s; text-decoration: none; white-space: nowrap; }
.product-list-card .detail .btn-detail:hover { background: #0066CC; color: #fff; }
.product-list-card .detail .btn-inquiry { display: inline-flex; align-items: center; justify-content: center; padding: 6px 12px; background: #0066CC; color: #fff; border-radius: 4px; font-size: 13px; transition: all 0.3s; text-decoration: none; white-space: nowrap; }
.product-list-card .detail .btn-inquiry:hover { background: #0088ff; color: #fff; }
.product-list-card .detail .card-actions { display: flex; gap: 8px; flex-wrap: nowrap; align-items: center; }
.pagination { display: flex; justify-content: center; gap: 8px; margin-top: 40px; }
.pagination a, .pagination span { display: inline-flex; align-items: center; justify-content: center; width: 36px; height: 36px; border: 1px solid #ddd; border-radius: 4px; font-size: 14px; color: #555; transition: all 0.3s; }
.pagination a:hover, .pagination .active { background: #0066CC; color: #fff; border-color: #0066CC; }

@media (max-width: 768px) {
    .page-banner { margin-top: 60px; padding: 24px 0; }
    .page-banner h1 { font-size: 22px; }
    .category-layout { grid-template-columns: 1fr; }
    .category-sidebar { position: static; }
    .product-list-grid { grid-template-columns: 1fr; }
}

/* ===== Solution Detail Page ===== */
.solution-detail { padding: 60px 0; }
.solution-detail .intro { margin: 0 auto 60px; }
.solution-detail .intro h2 { font-size: 28px; color: #1a1a2e; margin-bottom: 16px; }
.solution-detail .intro p { font-size: 15px; color: #666; line-height: 1.8; }
.solution-features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; margin-bottom: 60px; }
.solution-feature-card { background: #fff; border-radius: 8px; padding: 30px; text-align: center; box-shadow: 0 4px 20px rgba(0,0,0,0.04); transition: all 0.3s; }
.solution-feature-card:hover { transform: translateY(-5px); box-shadow: 0 10px 30px rgba(0,0,0,0.1); }
.solution-feature-card .icon { width: 56px; height: 56px; margin: 0 auto 16px; background: linear-gradient(135deg, #0066CC, #0088ff); border-radius: 12px; display: flex; align-items: center; justify-content: center; }
.solution-feature-card .icon i { font-size: 24px; color: #fff; }
.solution-feature-card h4 { font-size: 16px; font-weight: 600; color: #1a1a2e; margin-bottom: 8px; }
.solution-feature-card p { font-size: 13px; color: #888; line-height: 1.6; }
.solution-products { margin-bottom: 60px; }
.solution-products h3 { font-size: 22px; color: #1a1a2e; margin-bottom: 24px; padding-left: 16px; border-left: 4px solid #0066CC; }
.solution-products .products-grid { grid-template-columns: repeat(4, 1fr); }
.solution-cta { background: linear-gradient(135deg, #0066CC, #0088ff); border-radius: 12px; padding: 60px; text-align: center; color: #fff; }
.solution-cta h3 { font-size: 28px; margin-bottom: 16px; }
.solution-cta p { font-size: 16px; opacity: 0.9; margin-bottom: 24px; }
.solution-cta .btn-cta { display: inline-block; padding: 14px 40px; background: #fff; color: #0066CC; border-radius: 4px; font-weight: 600; font-size: 15px; transition: all 0.3s; }
.solution-cta .btn-cta:hover { transform: translateY(-2px); box-shadow: 0 8px 25px rgba(0,0,0,0.2); }

/* ===== About Page ===== */
.about-detail { padding: 60px 0; }
.about-intro-section { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; margin-bottom: 80px; }
.about-intro-section .text h2 { font-size: 30px; color: #1a1a2e; margin-bottom: 20px; }
.about-intro-section .text p { font-size: 15px; color: #666; line-height: 1.8; margin-bottom: 16px; }
.about-intro-section .img-wrap { border-radius: 12px; overflow: hidden; }
.about-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; margin-bottom: 80px; }
.stat-card { text-align: center; padding: 30px; background: #f5f7fa; border-radius: 8px; }
.stat-card .number { font-size: 42px; font-weight: 700; color: #0066CC; line-height: 1; }
.stat-card .label { font-size: 14px; color: #666; margin-top: 8px; }
.timeline-section { margin-bottom: 80px; }
.timeline-section h2 { text-align: center; font-size: 28px; color: #1a1a2e; margin-bottom: 40px; }
.timeline { position: relative; max-width: 800px; margin: 0 auto; padding: 20px 0; }
.timeline::before { content: ''; position: absolute; left: 50%; top: 0; bottom: 0; width: 2px; background: #0066CC; transform: translateX(-50%); }
.timeline-item { position: relative; padding: 20px 0; display: flex; }
.timeline-item:nth-child(odd) { flex-direction: row-reverse; text-align: right; padding-right: calc(50% + 30px); }
.timeline-item:nth-child(even) { padding-left: calc(50% + 30px); }
.timeline-item .dot { position: absolute; left: 50%; top: 28px; width: 16px; height: 16px; background: #0066CC; border-radius: 50%; transform: translateX(-50%); border: 3px solid #fff; box-shadow: 0 0 0 2px #0066CC; }
.timeline-item .year { font-size: 18px; font-weight: 700; color: #0066CC; margin-bottom: 8px; }
.timeline-item .desc { font-size: 14px; color: #666; line-height: 1.6; }

/* ===== News Page ===== */
.news-page { padding: 60px 0; }
.news-page-layout { display: grid; grid-template-columns: 260px 1fr; gap: 40px; }
.news-sidebar { position: sticky; top: 120px; align-self: start; }
.news-sidebar h3 { font-size: 18px; font-weight: 600; color: #1a1a2e; margin-bottom: 16px; padding-bottom: 12px; border-bottom: 2px solid #0066CC; }
.news-sidebar ul li a { display: block; padding: 10px 16px; font-size: 14px; color: #555; border-radius: 4px; margin-bottom: 4px; transition: all 0.3s; }
.news-sidebar ul li a:hover, .news-sidebar ul li a.active { background: #f0f7ff; color: #0066CC; }
.news-list-page { display: flex; flex-direction: column; gap: 24px; }
.news-card { display: flex; gap: 24px; background: #fff; border-radius: 8px; overflow: hidden; border: 1px solid #eee; transition: all 0.3s; }
.news-card:hover { box-shadow: 0 8px 25px rgba(0,0,0,0.08); transform: translateX(5px); }
.news-card .thumb { flex-shrink: 0; width: 420px; height: 270px; background: #f0f0f0; overflow: hidden; }
.news-card .thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s; }
.news-card:hover .thumb img { transform: scale(1.05); }
.news-card .info { padding: 20px; display: flex; flex-direction: column; justify-content: center; }
.news-card .info .meta { font-size: 12px; color: #999; margin-bottom: 8px; }
.news-card .info .meta span { margin-right: 16px; }
.news-card .info h4 { font-size: 18px; font-weight: 600; color: #1a1a2e; margin-bottom: 10px; line-height: 1.5; transition: color 0.3s; }
.news-card:hover .info h4 { color: #0066CC; }
.news-card .info p { font-size: 14px; color: #888; line-height: 1.6; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

/* ===== Contact Page ===== */
.contact-section { padding: 60px 0; }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; }
.contact-info { padding: 40px; background: #f5f7fa; border-radius: 12px; }
.contact-info h3 { font-size: 22px; color: #1a1a2e; margin-bottom: 24px; }
.contact-info-item { display: flex; gap: 16px; margin-bottom: 24px; }
.contact-info-item .icon { flex-shrink: 0; width: 44px; height: 44px; background: #0066CC; border-radius: 8px; display: flex; align-items: center; justify-content: center; }
.contact-info-item .icon i { color: #fff; font-size: 18px; }
.contact-info-item .text h4 { font-size: 15px; font-weight: 600; color: #1a1a2e; margin-bottom: 4px; }
.contact-info-item .text p { font-size: 14px; color: #666; }
.contact-form-wrap { padding: 40px; background: #fff; border-radius: 12px; box-shadow: 0 4px 20px rgba(0,0,0,0.06); }
.contact-form-wrap h3 { font-size: 22px; color: #1a1a2e; margin-bottom: 24px; }
.contact-form .form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 16px; }
.contact-form .form-group { margin-bottom: 16px; }
.contact-form label { display: block; font-size: 14px; font-weight: 500; color: #555; margin-bottom: 6px; }
.contact-form input, .contact-form select, .contact-form textarea { width: 100%; padding: 10px 14px; border: 1px solid #ddd; border-radius: 4px; font-size: 14px; transition: all 0.3s; }
.contact-form input:focus, .contact-form select:focus, .contact-form textarea:focus { border-color: #0066CC; outline: none; box-shadow: 0 0 0 3px rgba(0,102,204,0.1); }
.contact-form textarea { height: 120px; resize: vertical; }
.contact-form button[type="submit"] { padding: 12px 40px; background: #0066CC; color: #fff; border: none; border-radius: 4px; font-size: 15px; font-weight: 500; cursor: pointer; transition: all 0.3s; }
.contact-form button[type="submit"]:hover { background: #0088ff; }

/* ===== Career Page ===== */
.career-section { padding: 60px 0; }
.career-banner { background: linear-gradient(135deg, #0066CC, #0088ff); border-radius: 12px; padding: 60px; text-align: center; color: #fff; margin-bottom: 60px; }
.career-banner h2 { font-size: 32px; margin-bottom: 16px; }
.career-banner p { font-size: 16px; opacity: 0.9; margin-bottom: 24px; }
.career-categories { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; margin-bottom: 60px; }
.career-cat-card { background: #fff; border-radius: 8px; padding: 30px; text-align: center; border: 1px solid #eee; transition: all 0.3s; }
.career-cat-card:hover { border-color: #0066CC; transform: translateY(-5px); box-shadow: 0 10px 30px rgba(0,0,0,0.08); }
.career-cat-card .icon { width: 56px; height: 56px; margin: 0 auto 16px; background: linear-gradient(135deg, #0066CC, #0088ff); border-radius: 12px; display: flex; align-items: center; justify-content: center; }
.career-cat-card .icon i { font-size: 24px; color: #fff; }
.career-cat-card h4 { font-size: 16px; font-weight: 600; margin-bottom: 8px; }
.career-cat-card p { font-size: 13px; color: #888; }
.job-list { max-width: 900px; margin: 0 auto; }
.job-item { display: flex; justify-content: space-between; align-items: center; padding: 20px 24px; background: #fff; border: 1px solid #eee; border-radius: 8px; margin-bottom: 12px; transition: all 0.3s; }
.job-item:hover { border-color: #0066CC; box-shadow: 0 4px 15px rgba(0,0,0,0.06); }
.job-item .info h4 { font-size: 16px; font-weight: 600; color: #1a1a2e; margin-bottom: 4px; }
.job-item .info .tags { display: flex; gap: 12px; }
.job-item .info .tags span { font-size: 13px; color: #888; }
.job-item .info .tags span i { margin-right: 4px; color: #0066CC; }
.job-item .btn-apply { padding: 8px 20px; background: #0066CC; color: #fff; border: none; border-radius: 4px; font-size: 14px; cursor: pointer; transition: all 0.3s; }
.job-item .btn-apply:hover { background: #0088ff; }

@media (max-width: 768px) {
    .solution-features { grid-template-columns: 1fr; }
    .solution-products .products-grid { grid-template-columns: 1fr; }
    .about-intro-section { grid-template-columns: 1fr; }
    .about-stats { grid-template-columns: repeat(2, 1fr); }
    .timeline::before { left: 20px; }
    .timeline-item:nth-child(odd), .timeline-item:nth-child(even) { padding-left: 50px; padding-right: 0; text-align: left; flex-direction: row; }
    .timeline-item .dot { left: 20px; }
    .news-page-layout { grid-template-columns: 1fr; }
    .news-card { flex-direction: column; }
    .news-card .thumb { width: 100%; height: 200px; }
    .contact-grid { grid-template-columns: 1fr; }
    .contact-form .form-row { grid-template-columns: 1fr; }
    .career-categories { grid-template-columns: 1fr; }
    .job-item { flex-direction: column; gap: 12px; text-align: left; }
}

/* ===== Toast 轻提示（询盘车加购反馈） ===== */
.jh-cart-toast { position: fixed; top: 90px; left: 50%; transform: translateX(-50%) translateY(-20px); z-index: 99999; opacity: 0; transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1); pointer-events: none; }
.jh-cart-toast.show { opacity: 1; transform: translateX(-50%) translateY(0); pointer-events: auto; }
.jh-cart-toast-inner { display: flex; align-items: center; gap: 10px; padding: 14px 24px; background: #fff; border-radius: 10px; box-shadow: 0 8px 32px rgba(0,0,0,0.15); font-size: 14px; color: #333; white-space: nowrap; }
.jh-cart-toast-inner .toast-product-name { font-weight: 600; color: #1a1a2e; max-width: 180px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; display: inline-block; vertical-align: bottom; }
.jh-cart-toast-inner .toast-cart-link { color: #0066CC; font-weight: 600; text-decoration: none; margin-left: 6px; transition: color 0.2s; }
.jh-cart-toast-inner .toast-cart-link:hover { color: #0052a3; text-decoration: underline; }
@media (max-width: 768px) {
    .jh-cart-toast { top: 80px; }
    .jh-cart-toast-inner { padding: 12px 18px; font-size: 13px; }
}