/* ===== Reset & Base ===== */
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: "Microsoft YaHei", "PingFang SC", "Helvetica Neue", Arial, sans-serif; color: #333; line-height: 1.6; overflow-x: hidden; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; height: auto; }

/* ===== Navigation ===== */
.navbar { background: #fff; position: sticky; top: 0; z-index: 1000; box-shadow: 0 2px 20px rgba(0,0,0,0.1); }
.navbar .container { display: flex; justify-content: space-between; align-items: center; }
.logo { display: flex; align-items: center; padding: 8px 0; }
.logo-icon { width: 260px; }
.logo-icon img { width: 100%; height: auto; object-fit: contain; }
.nav-menu { display: flex; align-items: center; }
.nav-menu > li { position: relative; }
.nav-menu > li > a { display: block; padding: 22px 20px; color: #333; font-size: 15px; transition: all 0.3s; letter-spacing: 1px; }
.nav-menu > li > a:hover, .nav-menu > li.active > a { color: #0ea5e9; background: rgba(14,165,233,0.05); }
.nav-menu > li > a::after { content: ''; position: absolute; bottom: 0; left: 50%; transform: translateX(-50%); width: 0; height: 3px; background: #0ea5e9; transition: width 0.3s; }
.nav-menu > li:hover > a::after { width: 60%; }
.dropdown { position: absolute; top: 100%; left: 0; background: #fff; min-width: 220px; opacity: 0; visibility: hidden; transform: translateY(10px); transition: all 0.3s; box-shadow: 0 8px 30px rgba(0,0,0,0.12); border-top: 2px solid #0ea5e9; z-index: 1001; }
.nav-menu > li:hover .dropdown { opacity: 1; visibility: visible; transform: translateY(0); }
.dropdown li a { display: block; padding: 12px 24px; color: #555; font-size: 14px; transition: all 0.3s; border-bottom: 1px solid #f0f0f0; }
.dropdown li a:hover { color: #0ea5e9; background: rgba(14,165,233,0.05); padding-left: 30px; }
.dropdown .dropdown { top: 0; left: 100%; border-top: none; border-left: 2px solid #0ea5e9; }
.lang-switch { color: #0ea5e9; font-size: 13px; padding: 8px 16px; border: 1px solid #0ea5e9; border-radius: 4px; margin-left: 16px; cursor: pointer; transition: all 0.3s; }
.lang-switch:hover { background: #0ea5e9; color: #fff; }

/* ===== Container ===== */
.container { max-width: 1400px; margin: 0 auto; padding: 0 20px; }

/* ===== Page Hero ===== */
.page-hero { background: linear-gradient(135deg, #0a1628 0%, #0d2137 50%, #132d4a 100%); padding: 120px 0 80px; position: relative; overflow: hidden; }
.page-hero::before { content: ''; position: absolute; inset: 0; background-image: linear-gradient(rgba(14,165,233,0.04) 1px, transparent 1px), linear-gradient(90deg, rgba(14,165,233,0.04) 1px, transparent 1px); background-size: 60px 60px; }
.page-hero-content { position: relative; z-index: 2; text-align: center; }
.page-hero-tag { display: inline-block; padding: 4px 16px; background: rgba(14,165,233,0.15); border: 1px solid rgba(14,165,233,0.3); border-radius: 4px; color: #0ea5e9; font-size: 13px; letter-spacing: 2px; margin-bottom: 20px; }
.page-hero h1 { font-size: 42px; font-weight: 700; color: #fff; margin-bottom: 16px; }
.page-hero h1 span { color: #0ea5e9; }
.page-hero p { font-size: 18px; color: #8fa4b8; max-width: 700px; margin: 0 auto; line-height: 1.8; }
.page-hero-breadcrumb { margin-top: 24px; font-size: 14px; color: #6b8299; }
.page-hero-breadcrumb a { color: #8fa4b8; transition: color 0.3s; }
.page-hero-breadcrumb a:hover { color: #0ea5e9; }

/* ===== Section Common ===== */
.section { padding: 80px 0; }
.section-header { text-align: center; margin-bottom: 60px; }
.section-tag { display: inline-block; padding: 4px 16px; background: rgba(14,165,233,0.08); color: #0ea5e9; font-size: 13px; border-radius: 4px; letter-spacing: 2px; margin-bottom: 16px; }
.section-title { font-size: 36px; font-weight: 700; color: #1a2a3a; margin-bottom: 16px; }
.section-title span { color: #0ea5e9; }
.section-desc { font-size: 16px; color: #666; max-width: 700px; margin: 0 auto; line-height: 1.8; }
.section-line { width: 50px; height: 3px; background: linear-gradient(90deg, #0ea5e9, #0284c7); margin: 16px auto 0; border-radius: 2px; }

/* ===== About Section ===== */
.about { background: #f8fafc; }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.about-image { position: relative; height: 420px; background: linear-gradient(135deg, #0d2137, #132d4a); border-radius: 12px; overflow: hidden; }
.about-image::before { content: ''; position: absolute; inset: 0; background-image: linear-gradient(rgba(14,165,233,0.08) 1px, transparent 1px), linear-gradient(90deg, rgba(14,165,233,0.08) 1px, transparent 1px); background-size: 40px 40px; }
.about-image-inner { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); text-align: center; color: #fff; }
.about-image-inner svg { width: 80px; height: 80px; color: #0ea5e9; margin-bottom: 16px; opacity: 0.8; }
.about-image-inner p { font-size: 14px; color: #8fa4b8; letter-spacing: 2px; }
.about-content h3 { font-size: 28px; color: #1a2a3a; margin-bottom: 20px; line-height: 1.4; }
.about-content h3 span { color: #0ea5e9; }
.about-content p { font-size: 15px; color: #555; line-height: 2; margin-bottom: 16px; }
.about-features { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 28px; }
.about-feature { display: flex; align-items: center; gap: 12px; padding: 14px 18px; background: #fff; border-radius: 8px; border: 1px solid #e8edf2; transition: all 0.3s; }
.about-feature:hover { border-color: #0ea5e9; box-shadow: 0 4px 15px rgba(14,165,233,0.1); }
.about-feature-icon { width: 40px; height: 40px; background: rgba(14,165,233,0.1); border-radius: 8px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.about-feature-icon svg { width: 20px; height: 20px; color: #0ea5e9; }
.about-feature-text { font-size: 14px; font-weight: 600; color: #333; }

/* ===== Business Section ===== */
.business { background: #fff; }
.business-tabs { display: flex; justify-content: center; gap: 8px; margin-bottom: 50px; flex-wrap: wrap; }
.business-tab { padding: 12px 32px; background: #f0f4f8; color: #555; border-radius: 6px; font-size: 15px; cursor: pointer; transition: all 0.3s; border: none; font-weight: 500; }
.business-tab.active, .business-tab:hover { background: #0ea5e9; color: #fff; }
.business-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.business-card { background: #fff; border: 1px solid #e8edf2; border-radius: 12px; padding: 40px 30px; transition: all 0.4s; position: relative; overflow: hidden; }
.business-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: linear-gradient(90deg, #0ea5e9, #0284c7); transform: scaleX(0); transition: transform 0.4s; }
.business-card:hover { transform: translateY(-8px); box-shadow: 0 20px 50px rgba(0,0,0,0.08); border-color: transparent; }
.business-card:hover::before { transform: scaleX(1); }
.business-card-icon { width: 64px; height: 64px; background: linear-gradient(135deg, rgba(14,165,233,0.1), rgba(14,165,233,0.05)); border-radius: 14px; display: flex; align-items: center; justify-content: center; margin-bottom: 24px; }
.business-card-icon svg { width: 32px; height: 32px; color: #0ea5e9; }
.business-card h4 { font-size: 20px; color: #1a2a3a; margin-bottom: 8px; }
.business-card .en { font-size: 13px; color: #0ea5e9; letter-spacing: 1px; margin-bottom: 16px; font-weight: 500; }
.business-card p { font-size: 14px; color: #666; line-height: 1.8; }
.business-card-list { margin-top: 16px; }
.business-card-list li { padding: 8px 0; font-size: 14px; color: #555; border-bottom: 1px dashed #eef2f6; display: flex; align-items: center; gap: 8px; }
.business-card-list li:last-child { border-bottom: none; }
.business-card-list li::before { content: ''; width: 6px; height: 6px; background: #0ea5e9; border-radius: 50%; flex-shrink: 0; }

/* Business Sub Items */
.business-sub-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 30px; }
.business-sub-card { background: #f8fafc; border: 1px solid #e8edf2; border-radius: 8px; padding: 24px 20px; transition: all 0.3s; }
.business-sub-card:hover { border-color: #0ea5e9; background: #fff; box-shadow: 0 4px 15px rgba(14,165,233,0.08); }
.business-sub-card h5 { font-size: 16px; color: #1a2a3a; margin-bottom: 6px; }
.business-sub-card .en { font-size: 12px; color: #0ea5e9; margin-bottom: 10px; }
.business-sub-card p { font-size: 13px; color: #666; line-height: 1.6; }

/* ===== Solutions Section ===== */
.solutions { background: #f8fafc; }
.solution-item { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; margin-bottom: 60px; }
.solution-item:last-child { margin-bottom: 0; }
.solution-item.reverse { direction: rtl; }
.solution-item.reverse > * { direction: ltr; }
.solution-visual { height: 320px; background: linear-gradient(135deg, #0d2137, #132d4a); border-radius: 12px; position: relative; overflow: hidden; }
.solution-visual::before { content: ''; position: absolute; inset: 0; background-image: linear-gradient(rgba(14,165,233,0.06) 1px, transparent 1px), linear-gradient(90deg, rgba(14,165,233,0.06) 1px, transparent 1px); background-size: 30px 30px; }
.solution-visual-icon { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); }
.solution-visual-icon svg { width: 60px; height: 60px; color: rgba(14,165,233,0.4); }
.solution-visual-tag { position: absolute; bottom: 20px; left: 20px; padding: 6px 16px; background: rgba(14,165,233,0.2); color: #0ea5e9; font-size: 12px; border-radius: 4px; letter-spacing: 1px; }
.solution-content h4 { font-size: 24px; color: #1a2a3a; margin-bottom: 16px; }
.solution-content p { font-size: 15px; color: #666; line-height: 1.9; margin-bottom: 20px; }
.solution-features { display: flex; flex-wrap: wrap; gap: 10px; }
.solution-feature-tag { padding: 6px 16px; background: rgba(14,165,233,0.08); color: #0ea5e9; font-size: 13px; border-radius: 4px; }

/* ===== News Section ===== */
.news { background: #fff; }
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.news-card { background: #fff; border: 1px solid #e8edf2; border-radius: 12px; overflow: hidden; transition: all 0.3s; }
.news-card:hover { transform: translateY(-5px); box-shadow: 0 15px 40px rgba(0,0,0,0.06); }
.news-card-img { height: 200px; background: linear-gradient(135deg, #0d2137, #1a3a5c); position: relative; overflow: hidden; }
.news-card-img::before { content: ''; position: absolute; inset: 0; background-image: linear-gradient(rgba(14,165,233,0.05) 1px, transparent 1px), linear-gradient(90deg, rgba(14,165,233,0.05) 1px, transparent 1px); background-size: 20px 20px; }
.news-card-img svg { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); width: 40px; height: 40px; color: rgba(14,165,233,0.3); }
.news-card-date { position: absolute; top: 16px; left: 16px; background: rgba(14,165,233,0.9); color: #fff; padding: 6px 12px; border-radius: 4px; font-size: 12px; }
.news-card-body { padding: 24px; }
.news-card-tag { display: inline-block; padding: 3px 10px; background: rgba(14,165,233,0.08); color: #0ea5e9; font-size: 12px; border-radius: 3px; margin-bottom: 12px; }
.news-card-body h4 { font-size: 17px; color: #1a2a3a; margin-bottom: 10px; line-height: 1.5; transition: color 0.3s; }
.news-card:hover .news-card-body h4 { color: #0ea5e9; }
.news-card-body p { font-size: 14px; color: #888; line-height: 1.7; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

/* ===== News Detail Section ===== */
.news-detail-section { background: #f8fafc; }
.news-detail-layout { max-width: 960px; margin: 0 auto; }
.news-detail-article { background: #fff; border-radius: 12px; border: 1px solid #e8edf2; padding: 48px; margin-bottom: 30px; }
.news-detail-header { margin-bottom: 32px; border-bottom: 1px solid #eef2f6; padding-bottom: 24px; }
.news-detail-header h1 { font-size: 28px; color: #1a2a3a; margin: 16px 0 16px; line-height: 1.5; }
.news-detail-meta { display: flex; gap: 24px; font-size: 14px; color: #888; }
.news-detail-meta span { display: flex; align-items: center; }
.news-detail-cover { margin-bottom: 32px; border-radius: 8px; overflow: hidden; }
.news-detail-cover img { width: 100%; height: auto; display: block; }
.news-detail-body { font-size: 15px; color: #444; line-height: 2; }
.news-detail-body h3 { font-size: 20px; color: #1a2a3a; margin: 32px 0 16px; padding-left: 12px; border-left: 3px solid #0ea5e9; }
.news-detail-body p { margin-bottom: 16px; }
.news-detail-body ul { margin: 16px 0; padding-left: 20px; }
.news-detail-body ul li { margin-bottom: 8px; list-style: disc; color: #555; }

.news-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: 20px; }
.news-nav-item { display: flex; flex-direction: column; padding: 20px 24px; background: #fff; border: 1px solid #e8edf2; border-radius: 10px; transition: all 0.3s; text-decoration: none; }
a.news-nav-item:hover { border-color: #0ea5e9; box-shadow: 0 4px 20px rgba(14,165,233,0.1); transform: translateY(-2px); }
.news-nav-next { text-align: right; align-items: flex-end; }
.news-nav-label { font-size: 13px; color: #0ea5e9; margin-bottom: 8px; display: flex; align-items: center; gap: 4px; }
.news-nav-next .news-nav-label { flex-direction: row-reverse; }
.news-nav-title { font-size: 15px; color: #1a2a3a; font-weight: 500; line-height: 1.5; }
.news-nav-disabled { opacity: 0.5; cursor: default; }
.news-nav-disabled .news-nav-title { color: #999; }

@media (max-width: 768px) {
    .news-detail-article { padding: 24px 20px; }
    .news-detail-header h1 { font-size: 22px; }
    .news-nav { grid-template-columns: 1fr; }
}

/* ===== Service Section ===== */
.service { background: #f8fafc; }
.service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.service-card { background: #fff; border: 1px solid #e8edf2; border-radius: 12px; padding: 40px 30px; text-align: center; transition: all 0.4s; }
.service-card:hover { transform: translateY(-8px); box-shadow: 0 20px 50px rgba(0,0,0,0.08); border-color: transparent; }
.service-card-icon { width: 80px; height: 80px; background: linear-gradient(135deg, rgba(14,165,233,0.1), rgba(14,165,233,0.05)); border-radius: 16px; display: flex; align-items: center; justify-content: center; margin: 0 auto 24px; }
.service-card-icon svg { width: 40px; height: 40px; color: #0ea5e9; }
.service-card h4 { font-size: 20px; color: #1a2a3a; margin-bottom: 16px; }
.service-card p { font-size: 14px; color: #666; line-height: 1.8; }

/* ===== Careers Section ===== */
.careers { background: #fff; }
.careers-intro { background: linear-gradient(135deg, #0d2137, #132d4a); border-radius: 12px; padding: 60px; color: #fff; margin-bottom: 60px; position: relative; overflow: hidden; }
.careers-intro::before { content: ''; position: absolute; inset: 0; background-image: linear-gradient(rgba(14,165,233,0.04) 1px, transparent 1px), linear-gradient(90deg, rgba(14,165,233,0.04) 1px, transparent 1px); background-size: 40px 40px; }
.careers-intro-content { position: relative; z-index: 2; }
.careers-intro h3 { font-size: 28px; margin-bottom: 16px; }
.careers-intro p { font-size: 16px; color: #8fa4b8; line-height: 1.8; max-width: 600px; }
.career-category { margin-bottom: 40px; }
.career-category h4 { font-size: 22px; color: #1a2a3a; margin-bottom: 24px; padding-bottom: 12px; border-bottom: 2px solid #0ea5e9; display: inline-block; }
.career-list { display: grid; gap: 16px; }
.career-item { background: #f8fafc; border: 1px solid #e8edf2; border-radius: 8px; padding: 24px 30px; display: flex; justify-content: space-between; align-items: center; transition: all 0.3s; }
.career-item:hover { border-color: #0ea5e9; box-shadow: 0 4px 15px rgba(14,165,233,0.08); }
.career-item-info { flex: 1; }
.career-item-info h5 { font-size: 18px; color: #1a2a3a; margin-bottom: 8px; }
.career-item-info p { font-size: 14px; color: #666; }
.career-item-meta { display: flex; gap: 20px; font-size: 13px; color: #888; margin-top: 10px; }
.career-item-meta span { display: flex; align-items: center; gap: 4px; }
.career-apply-btn { padding: 10px 24px; background: #0ea5e9; color: #fff; border-radius: 6px; font-size: 14px; transition: all 0.3s; border: none; cursor: pointer; flex-shrink: 0; margin-left: 20px; }
.career-apply-btn:hover { background: #0284c7; }

/* ===== Contact Section ===== */
.contact { background: #f8fafc; }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; }
.contact-info-list { display: grid; gap: 24px; }
.contact-info-item { display: flex; gap: 16px; padding: 24px; background: #fff; border-radius: 12px; border: 1px solid #e8edf2; transition: all 0.3s; }
.contact-info-item:hover { border-color: #0ea5e9; box-shadow: 0 4px 15px rgba(14,165,233,0.08); }
.contact-info-icon { width: 48px; height: 48px; background: rgba(14,165,233,0.1); border-radius: 10px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.contact-info-icon svg { width: 24px; height: 24px; color: #0ea5e9; }
.contact-info-text h5 { font-size: 16px; color: #1a2a3a; margin-bottom: 6px; }
.contact-info-text p { font-size: 14px; color: #666; line-height: 1.6; }
.contact-form { background: #fff; border-radius: 12px; padding: 40px; border: 1px solid #e8edf2; }
.contact-form h4 { font-size: 22px; color: #1a2a3a; margin-bottom: 24px; }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: 14px; color: #333; margin-bottom: 8px; font-weight: 500; }
.form-group input, .form-group textarea { width: 100%; padding: 12px 16px; border: 1px solid #e0e6ed; border-radius: 6px; font-size: 14px; transition: all 0.3s; font-family: inherit; }
.form-group input:focus, .form-group textarea:focus { outline: none; border-color: #0ea5e9; box-shadow: 0 0 0 3px rgba(14,165,233,0.1); }
.form-group textarea { height: 120px; resize: vertical; }
.form-submit { width: 100%; padding: 14px; background: linear-gradient(135deg, #0ea5e9, #0284c7); color: #fff; border: none; border-radius: 6px; font-size: 16px; font-weight: 600; cursor: pointer; transition: all 0.3s; }
.form-submit:hover { transform: translateY(-2px); box-shadow: 0 8px 25px rgba(14,165,233,0.3); }

/* ===== CTA Section ===== */
.cta { background: linear-gradient(135deg, #0d2137, #132d4a); padding: 80px 0; position: relative; overflow: hidden; }
.cta::before { content: ''; position: absolute; inset: 0; background-image: linear-gradient(rgba(14,165,233,0.04) 1px, transparent 1px), linear-gradient(90deg, rgba(14,165,233,0.04) 1px, transparent 1px); background-size: 50px 50px; }
.cta-content { text-align: center; position: relative; z-index: 2; }
.cta-content h3 { font-size: 32px; color: #fff; margin-bottom: 16px; }
.cta-content p { font-size: 16px; color: #8fa4b8; margin-bottom: 32px; }
.cta-btns { display: flex; justify-content: center; gap: 16px; }

/* ===== Footer ===== */
.footer { background: #070e1a; color: #8fa4b8; padding: 60px 0 0; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 40px; border-bottom: 1px solid rgba(255,255,255,0.06); }
.footer-brand .logo-text { font-size: 18px; margin-bottom: 16px; display: block; }
.footer-brand p { font-size: 14px; line-height: 1.8; color: #6b8299; }
.footer-col h5 { color: #fff; font-size: 16px; margin-bottom: 20px; position: relative; padding-bottom: 12px; }
.footer-col h5::after { content: ''; position: absolute; bottom: 0; left: 0; width: 30px; height: 2px; background: #0ea5e9; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { font-size: 14px; color: #6b8299; transition: all 0.3s; }
.footer-col ul li a:hover { color: #0ea5e9; padding-left: 6px; }
.footer-contact li { display: flex; align-items: flex-start; gap: 10px; margin-bottom: 14px; font-size: 14px; }
.footer-contact li svg { width: 16px; height: 16px; color: #0ea5e9; flex-shrink: 0; margin-top: 3px; }
.footer-bottom { padding: 20px 0; text-align: center; font-size: 13px; color: #4a6178; }
.footer-bottom a { color: #4a6178; }

/* ===== Buttons ===== */
.btn-primary { display: inline-block; padding: 14px 36px; background: linear-gradient(135deg, #0ea5e9, #0284c7); color: #fff; border-radius: 6px; font-size: 15px; font-weight: 600; transition: all 0.3s; border: none; cursor: pointer; }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 25px rgba(14,165,233,0.4); }
.btn-outline { display: inline-block; padding: 14px 36px; background: transparent; color: #fff; border: 1px solid rgba(255,255,255,0.3); border-radius: 6px; font-size: 15px; transition: all 0.3s; cursor: pointer; }
.btn-outline:hover { border-color: #0ea5e9; color: #0ea5e9; }
.btn-outline-dark { display: inline-block; padding: 14px 36px; background: transparent; color: #0ea5e9; border: 1px solid #0ea5e9; border-radius: 6px; font-size: 15px; transition: all 0.3s; cursor: pointer; }
.btn-outline-dark:hover { background: #0ea5e9; color: #fff; }

/* ===== Support Section ===== */
.support-content { display: grid; grid-template-columns: 1fr 380px; gap: 40px; }
.support-main { display: grid; gap: 24px; }
.support-item { display: flex; gap: 24px; padding: 32px; background: #fff; border: 1px solid #e8edf2; border-radius: 12px; transition: all 0.3s; }
.support-item:hover { border-color: #0ea5e9; box-shadow: 0 8px 30px rgba(14,165,233,0.1); transform: translateY(-3px); }
.support-item-icon { width: 64px; height: 64px; background: linear-gradient(135deg, rgba(14,165,233,0.1), rgba(14,165,233,0.05)); border-radius: 14px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.support-item-icon svg { width: 32px; height: 32px; color: #0ea5e9; }
.support-item-content h4 { font-size: 20px; color: #1a2a3a; margin-bottom: 10px; }
.support-item-content > p { font-size: 14px; color: #666; line-height: 1.7; margin-bottom: 16px; }
.support-features { display: grid; gap: 8px; }
.support-features li { font-size: 14px; color: #555; padding-left: 20px; position: relative; }
.support-features li::before { content: ''; position: absolute; left: 0; top: 8px; width: 8px; height: 8px; background: #0ea5e9; border-radius: 50%; }
.support-sidebar { position: sticky; top: 100px; align-self: start; }
.support-contact-card { background: linear-gradient(135deg, #0d2137, #132d4a); border-radius: 12px; padding: 32px; color: #fff; position: relative; overflow: hidden; }
.support-contact-card::before { content: ''; position: absolute; inset: 0; background-image: linear-gradient(rgba(14,165,233,0.04) 1px, transparent 1px), linear-gradient(90deg, rgba(14,165,233,0.04) 1px, transparent 1px); background-size: 30px 30px; }
.support-contact-card > * { position: relative; z-index: 2; }
.support-contact-card h4 { font-size: 20px; margin-bottom: 24px; }
.contact-info { display: grid; gap: 20px; }
.contact-info-item { display: flex; gap: 16px; align-items: flex-start; }
.contact-info-item svg { width: 24px; height: 24px; color: #0ea5e9; flex-shrink: 0; margin-top: 2px; }
.contact-info-item p { font-size: 13px; color: #8fa4b8; margin-bottom: 4px; }
.contact-info-item span { font-size: 15px; color: #fff; font-weight: 500; }

/* ===== Knowledge Section ===== */
.bg-light { background: #f8fafc; }
.knowledge-categories { display: flex; justify-content: center; gap: 12px; margin-bottom: 40px; flex-wrap: wrap; }
.category-btn { padding: 10px 24px; background: #fff; color: #555; border: 1px solid #e8edf2; border-radius: 6px; font-size: 14px; cursor: pointer; transition: all 0.3s; }
.category-btn.active, .category-btn:hover { background: #0ea5e9; color: #fff; border-color: #0ea5e9; }
.knowledge-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.knowledge-card { background: #fff; border: 1px solid #e8edf2; border-radius: 12px; overflow: hidden; transition: all 0.3s; }
.knowledge-card:hover { transform: translateY(-5px); box-shadow: 0 15px 40px rgba(0,0,0,0.08); }
.knowledge-card a { display: block; color: inherit; text-decoration: none; }
.knowledge-card-image { height: 200px; position: relative; overflow: hidden; }
.knowledge-card-image img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.3s; }
.knowledge-card:hover .knowledge-card-image img { transform: scale(1.05); }
.knowledge-tag { position: absolute; top: 16px; left: 16px; padding: 5px 12px; background: rgba(14,165,233,0.9); color: #fff; font-size: 12px; border-radius: 4px; }
.knowledge-card-content { padding: 24px; }
.knowledge-meta { display: flex; gap: 16px; font-size: 13px; color: #888; margin-bottom: 12px; }
.knowledge-card-content h4 { font-size: 17px; color: #1a2a3a; margin-bottom: 12px; line-height: 1.5; transition: color 0.3s; }
.knowledge-card:hover .knowledge-card-content h4 { color: #0ea5e9; }
.knowledge-card-content p { font-size: 14px; color: #666; line-height: 1.7; margin-bottom: 16px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.read-more { font-size: 14px; color: #0ea5e9; font-weight: 500; transition: all 0.3s; }
.read-more:hover { color: #0284c7; }

/* ===== Download Section ===== */
.download-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; margin-bottom: 40px; }
.download-card { background: #fff; border: 1px solid #e8edf2; border-radius: 12px; padding: 32px; transition: all 0.3s; position: relative; overflow: hidden; }
.download-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: linear-gradient(90deg, #0ea5e9, #0284c7); transform: scaleX(0); transition: transform 0.4s; }
.download-card:hover { transform: translateY(-5px); box-shadow: 0 15px 40px rgba(0,0,0,0.08); border-color: transparent; }
.download-card:hover::before { transform: scaleX(1); }
.download-card-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px; }
.download-icon { width: 56px; height: 56px; background: linear-gradient(135deg, rgba(14,165,233,0.1), rgba(14,165,233,0.05)); border-radius: 12px; display: flex; align-items: center; justify-content: center; }
.download-icon svg { width: 28px; height: 28px; color: #0ea5e9; }
.download-version { padding: 5px 12px; background: rgba(14,165,233,0.1); color: #0ea5e9; font-size: 13px; border-radius: 4px; font-weight: 600; }
.download-card h4 { font-size: 19px; color: #1a2a3a; margin-bottom: 12px; }
.download-desc { font-size: 14px; color: #666; line-height: 1.7; margin-bottom: 20px; }
.download-features { margin-bottom: 20px; display: grid; gap: 8px; }
.download-features li { font-size: 13px; color: #555; padding-left: 18px; position: relative; }
.download-features li::before { content: ''; position: absolute; left: 0; top: 7px; width: 6px; height: 6px; background: #0ea5e9; border-radius: 50%; }
.download-info { background: #f8fafc; border-radius: 8px; padding: 16px; margin-bottom: 20px; display: grid; gap: 10px; }
.download-info-item { display: flex; justify-content: space-between; font-size: 13px; }
.download-info-item .label { color: #888; }
.download-info-item .value { color: #333; font-weight: 500; }
.download-actions { display: flex; gap: 12px; }
.download-actions .btn-primary, .download-actions .btn-outline { flex: 1; text-align: center; padding: 12px 20px; font-size: 14px; }
.download-actions .btn-outline { color: #0ea5e9; border-color: #0ea5e9; }
.download-actions .btn-outline:hover { background: #0ea5e9; color: #fff; }
.download-notice { background: linear-gradient(135deg, rgba(14,165,233,0.05), rgba(14,165,233,0.02)); border: 1px solid rgba(14,165,233,0.2); border-radius: 12px; padding: 32px; display: flex; gap: 24px; align-items: flex-start; }
.notice-icon { width: 48px; height: 48px; background: rgba(14,165,233,0.1); border-radius: 10px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.notice-icon svg { width: 24px; height: 24px; color: #0ea5e9; }
.notice-content h4 { font-size: 17px; color: #1a2a3a; margin-bottom: 12px; }
.notice-content ul { display: grid; gap: 8px; }
.notice-content ul li { font-size: 14px; color: #555; padding-left: 18px; position: relative; }
.notice-content ul li::before { content: ''; position: absolute; left: 0; top: 8px; width: 6px; height: 6px; background: #0ea5e9; border-radius: 50%; }

/* ===== Pagination ===== */
.pagination { margin-top: 40px; display: flex; justify-content: center; }
.pagination-inner { display: flex; gap: 8px; align-items: center; }
.page-btn { width: 40px; height: 40px; display: flex; align-items: center; justify-content: center; background: #fff; border: 1px solid #e8edf2; border-radius: 8px; font-size: 14px; color: #555; cursor: pointer; transition: all 0.3s; }
.page-btn:hover:not(.disabled):not(.active) { border-color: #0ea5e9; color: #0ea5e9; }
.page-btn.active { background: #0ea5e9; color: #fff; border-color: #0ea5e9; }
.page-btn.disabled { opacity: 0.4; cursor: not-allowed; }
.page-ellipsis { color: #888; padding: 0 4px; }

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .page-hero h1 { font-size: 32px; }
    .about-grid, .solution-item, .contact-grid { grid-template-columns: 1fr; }
    .solution-item.reverse { direction: ltr; }
    .business-grid, .news-grid, .service-grid { grid-template-columns: repeat(2, 1fr); }
    .business-sub-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: repeat(2, 1fr); }
    .careers-intro { padding: 40px 30px; }
    .support-content { grid-template-columns: 1fr; }
    .support-sidebar { position: static; }
    .knowledge-grid { grid-template-columns: repeat(2, 1fr); }
    .download-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
    .nav-menu { display: none; }
    .page-hero { padding: 80px 0 50px; }
    .page-hero h1 { font-size: 26px; }
    .page-hero p { font-size: 15px; }
    .section { padding: 50px 0; }
    .section-title { font-size: 26px; }
    .business-grid, .news-grid, .service-grid, .business-sub-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .about-features { grid-template-columns: 1fr; }
    .contact-grid { grid-template-columns: 1fr; }
    .career-item { flex-direction: column; align-items: flex-start; gap: 16px; }
    .career-apply-btn { margin-left: 0; width: 100%; text-align: center; }
    .cta-btns { flex-direction: column; align-items: center; }
    .careers-intro { padding: 30px 20px; }
    .support-item { flex-direction: column; text-align: center; }
    .support-item-icon { margin: 0 auto; }
    .knowledge-grid { grid-template-columns: 1fr; }
    .download-grid { grid-template-columns: 1fr; }
    .download-notice { flex-direction: column; text-align: center; }
    .notice-icon { margin: 0 auto; }
    .download-actions { flex-direction: column; }
    .pagination-inner { flex-wrap: wrap; justify-content: center; }
    .news-detail-layout > .news-detail-article > div:first-child { grid-template-columns: 1fr !important; }
}

/* ===== Timeline ===== */
.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: linear-gradient(180deg, #0ea5e9, #0284c7); transform: translateX(-50%); }
.timeline-item { position: relative; margin-bottom: 40px; display: flex; align-items: center; }
.timeline-item:nth-child(odd) { flex-direction: row-reverse; }
.timeline-dot { position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%); width: 16px; height: 16px; background: #0ea5e9; border: 3px solid #fff; border-radius: 50%; box-shadow: 0 0 0 4px rgba(14,165,233,0.2); z-index: 2; }
.timeline-content { width: 45%; padding: 24px 28px; background: #fff; border: 1px solid #e8edf2; border-radius: 12px; transition: all 0.3s; }
.timeline-content:hover { border-color: #0ea5e9; box-shadow: 0 8px 30px rgba(14,165,233,0.1); transform: translateY(-3px); }
.timeline-year { display: inline-block; padding: 4px 12px; background: rgba(14,165,233,0.1); color: #0ea5e9; font-size: 14px; font-weight: 600; border-radius: 4px; margin-bottom: 12px; }
.timeline-content h4 { font-size: 18px; color: #1a2a3a; margin-bottom: 10px; }
.timeline-content p { font-size: 14px; color: #666; line-height: 1.7; }

/* ===== Qualifications Grid ===== */
.qualifications-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.qualification-card { background: #fff; border: 1px solid #e8edf2; border-radius: 12px; padding: 32px 24px; text-align: center; transition: all 0.3s; }
.qualification-card:hover { transform: translateY(-5px); box-shadow: 0 15px 40px rgba(14,165,233,0.1); border-color: #0ea5e9; }
.qualification-icon { width: 64px; height: 64px; background: linear-gradient(135deg, rgba(14,165,233,0.1), rgba(14,165,233,0.05)); border-radius: 14px; display: flex; align-items: center; justify-content: center; margin: 0 auto 20px; }
.qualification-icon svg { width: 32px; height: 32px; color: #0ea5e9; }
.qualification-card h4 { font-size: 18px; color: #1a2a3a; margin-bottom: 12px; }
.qualification-card p { font-size: 14px; color: #666; line-height: 1.7; }

/* ===== Layout Grid ===== */
.layout-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 30px; }
.layout-card { background: #f8fafc; border: 1px solid #e8edf2; border-radius: 12px; padding: 36px 30px; transition: all 0.3s; }
.layout-card:hover { background: #fff; border-color: #0ea5e9; box-shadow: 0 8px 30px rgba(14,165,233,0.1); transform: translateY(-3px); }
.layout-icon { width: 56px; height: 56px; background: linear-gradient(135deg, rgba(14,165,233,0.1), rgba(14,165,233,0.05)); border-radius: 12px; display: flex; align-items: center; justify-content: center; margin-bottom: 20px; }
.layout-icon svg { width: 28px; height: 28px; color: #0ea5e9; }
.layout-card h4 { font-size: 20px; color: #1a2a3a; margin-bottom: 12px; }
.layout-card p { font-size: 14px; color: #666; line-height: 1.8; }

/* ===== Culture Grid ===== */
.culture-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.culture-item { background: #fff; border: 1px solid #e8edf2; border-radius: 12px; padding: 32px 24px; text-align: center; transition: all 0.3s; }
.culture-item:hover { transform: translateY(-5px); box-shadow: 0 15px 40px rgba(14,165,233,0.1); border-color: #0ea5e9; }
.culture-icon { width: 64px; height: 64px; background: linear-gradient(135deg, rgba(14,165,233,0.1), rgba(14,165,233,0.05)); border-radius: 14px; display: flex; align-items: center; justify-content: center; margin: 0 auto 20px; }
.culture-icon svg { width: 32px; height: 32px; color: #0ea5e9; }
.culture-item h4 { font-size: 18px; color: #1a2a3a; margin-bottom: 12px; }
.culture-item p { font-size: 14px; color: #666; line-height: 1.7; }

@media (max-width: 1024px) {
    .qualifications-grid, .culture-grid { grid-template-columns: repeat(2, 1fr); }
    .layout-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    .timeline::before { left: 20px; }
    .timeline-item, .timeline-item:nth-child(odd) { flex-direction: row; padding-left: 50px; }
    .timeline-dot { left: 20px; }
    .timeline-content { width: 100%; }
    .qualifications-grid, .culture-grid { grid-template-columns: 1fr; }
}