* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif; line-height: 1.6; color: #333; background: #fff; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

.header { background: #fff; box-shadow: 0 2px 8px rgba(0,0,0,0.08); position: sticky; top: 0; z-index: 100; }
.header .container { display: flex; justify-content: space-between; align-items: center; height: 64px; }
.logo a { font-size: 22px; font-weight: bold; color: #1a73e8; text-decoration: none; }
.nav { display: flex; gap: 20px; flex: 1; justify-content: center; }
.nav a { color: #555; text-decoration: none; font-size: 15px; transition: color 0.2s; }
.nav a:hover, .nav a.active { color: #1a73e8; }
.header-phone { display: flex; align-items: center; gap: 8px; color: #1a73e8; font-weight: 500; }
.phone-icon { font-size: 18px; }
.phone-number { font-size: 16px; }

.banner { background: linear-gradient(135deg, #1a73e8 0%, #0d47a1 100%); color: #fff; padding: 60px 0; }
.banner .container { display: flex; align-items: center; gap: 60px; }
.banner-text { flex: 1; }
.banner-text h1 { font-size: 36px; margin-bottom: 12px; }
.banner-text .subtitle { font-size: 18px; opacity: 0.9; margin-bottom: 24px; }
.banner-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 24px; }
.banner-tags span { background: rgba(255,255,255,0.2); padding: 6px 14px; border-radius: 20px; font-size: 14px; }
.banner-phone { font-size: 16px; padding: 12px 20px; background: rgba(255,255,255,0.15); border-radius: 8px; display: inline-block; }
.banner-phone strong { font-size: 20px; margin-left: 8px; }
.banner-img { flex: 1; text-align: center; }
.banner-img img { max-width: 100%; border-radius: 12px; box-shadow: 0 10px 40px rgba(0,0,0,0.2); }

.hero { background: linear-gradient(135deg, #1a73e8 0%, #0d47a1 100%); color: #fff; padding: 100px 0; text-align: center; }
.hero-text h1 { font-size: 48px; margin-bottom: 12px; }
.hero-text h2 { font-size: 24px; font-weight: normal; margin-bottom: 24px; opacity: 0.95; }
.hero-text p { font-size: 16px; opacity: 0.9; margin-bottom: 10px; }
.hero-phone { margin: 24px 0; font-size: 18px; }
.hero-phone strong { font-size: 28px; margin-left: 10px; }
.hero-btns { margin-top: 32px; }
.btn { display: inline-block; padding: 12px 32px; background: #fff; color: #1a73e8; text-decoration: none; border-radius: 6px; font-weight: 500; transition: all 0.2s; }
.btn:hover { transform: translateY(-2px); box-shadow: 0 4px 12px rgba(0,0,0,0.15); }

.page-banner { background: linear-gradient(135deg, #1a73e8 0%, #0d47a1 100%); color: #fff; padding: 50px 0; text-align: center; }
.page-banner h1 { font-size: 32px; margin-bottom: 10px; }
.page-banner p { opacity: 0.9; }

.section { padding: 60px 0; }
.section.bg-gray { background: #f8f9fa; }
.section-title { text-align: center; font-size: 28px; margin-bottom: 40px; color: #222; }
.section-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 30px; }
.section-header .section-title { margin-bottom: 0; text-align: left; }
.more-link { color: #1a73e8; text-decoration: none; font-size: 14px; }
.more-link:hover { text-decoration: underline; }

.intro p { font-size: 16px; line-height: 1.8; color: #555; margin-bottom: 16px; }

.advantages { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.advantage-item { background: #fff; padding: 30px 24px; border-radius: 12px; text-align: center; box-shadow: 0 2px 12px rgba(0,0,0,0.06); transition: transform 0.2s; }
.advantage-item:hover { transform: translateY(-4px); }
.adv-icon { font-size: 40px; margin-bottom: 16px; }
.advantage-item h3 { font-size: 18px; margin-bottom: 12px; color: #222; }
.advantage-item p { font-size: 14px; color: #666; line-height: 1.6; }

.products { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.product-item { background: #fff; padding: 24px; border-radius: 12px; box-shadow: 0 2px 12px rgba(0,0,0,0.06); border-top: 3px solid #1a73e8; }
.product-item h4 { font-size: 18px; margin-bottom: 16px; color: #1a73e8; }
.product-item ul { list-style: none; }
.product-item li { padding: 8px 0; border-bottom: 1px solid #f0f0f0; font-size: 14px; color: #555; }
.product-item li:last-child { border-bottom: none; }

.scenes { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.scene-item { background: #fff; padding: 24px; border-radius: 12px; box-shadow: 0 2px 12px rgba(0,0,0,0.06); }
.scene-item h4 { font-size: 16px; margin-bottom: 12px; color: #222; }
.scene-item p { font-size: 14px; color: #666; line-height: 1.6; }

.clients { display: flex; justify-content: center; flex-wrap: wrap; gap: 20px; }
.client-item { background: #fff; padding: 16px 32px; border-radius: 8px; font-size: 18px; font-weight: 500; color: #555; box-shadow: 0 2px 8px rgba(0,0,0,0.06); }

.contact-section { background: linear-gradient(135deg, #1a73e8 0%, #0d47a1 100%); color: #fff; }
.contact-box { text-align: center; max-width: 600px; margin: 0 auto; }
.contact-box h2 { font-size: 28px; margin-bottom: 12px; }
.contact-box > p { opacity: 0.9; margin-bottom: 32px; }
.contact-info { background: rgba(255,255,255,0.1); border-radius: 12px; padding: 24px; text-align: left; }
.contact-item { display: flex; padding: 12px 0; border-bottom: 1px solid rgba(255,255,255,0.1); }
.contact-item:last-child { border-bottom: none; }
.contact-label { width: 100px; text-align: right; padding-right: 20px; opacity: 0.8; flex-shrink: 0; }
.contact-value { flex: 1; font-weight: 500; }
.contact-phone { font-size: 20px; color: #ffd700; }

.city-tags { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; }
.city-tag { display: inline-block; padding: 8px 20px; background: #fff; color: #1a73e8; text-decoration: none; border-radius: 20px; font-size: 14px; border: 1px solid #e0e0e0; transition: all 0.2s; }
.city-tag:hover { background: #1a73e8; color: #fff; border-color: #1a73e8; }

.news-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.news-item { display: flex; gap: 16px; padding: 20px; background: #fff; border-radius: 8px; box-shadow: 0 2px 8px rgba(0,0,0,0.05); transition: transform 0.2s; }
.news-item:hover { transform: translateY(-2px); }
.news-date { flex-shrink: 0; width: 50px; height: 50px; background: #1a73e8; color: #fff; border-radius: 8px; display: flex; align-items: center; justify-content: center; font-size: 12px; }
.news-content h4 { font-size: 16px; margin-bottom: 8px; }
.news-content h4 a { color: #333; text-decoration: none; }
.news-content h4 a:hover { color: #1a73e8; }
.news-content p { font-size: 14px; color: #888; line-height: 1.5; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

.news-page-list { max-width: 900px; margin: 0 auto; }
.news-list-item { display: flex; gap: 20px; padding: 24px 0; border-bottom: 1px solid #eee; }
.news-list-date { flex-shrink: 0; width: 70px; text-align: center; background: #f5f5f5; border-radius: 8px; padding: 12px 0; }
.news-list-date .day { font-size: 24px; font-weight: bold; color: #1a73e8; }
.news-list-date .month { font-size: 12px; color: #888; }
.news-list-content { flex: 1; }
.news-list-content h3 { font-size: 18px; margin-bottom: 10px; }
.news-list-content h3 a { color: #333; text-decoration: none; }
.news-list-content h3 a:hover { color: #1a73e8; }
.news-list-content > p { font-size: 14px; color: #666; line-height: 1.6; margin-bottom: 10px; }
.news-meta { font-size: 13px; color: #999; }
.news-meta span { margin-right: 20px; }

.article-banner { background: #f8f9fa; padding: 20px 0; border-bottom: 1px solid #eee; }
.breadcrumb { font-size: 14px; color: #888; }
.breadcrumb a { color: #888; text-decoration: none; }
.breadcrumb a:hover { color: #1a73e8; }

.article-wrap { display: flex; gap: 40px; }
.article-main { flex: 1; min-width: 0; }
.article-header { margin-bottom: 30px; padding-bottom: 20px; border-bottom: 1px solid #eee; }
.article-title { font-size: 28px; margin-bottom: 16px; color: #222; line-height: 1.4; }
.article-meta { font-size: 14px; color: #999; }
.article-meta span { margin-right: 20px; }
.article-content { font-size: 16px; line-height: 1.8; color: #444; }
.article-content p { margin-bottom: 16px; }
.article-content .article-h3 { font-size: 20px; margin: 30px 0 16px; color: #222; font-weight: 600; }
.article-content .faq-q { font-weight: 600; color: #1a73e8; margin-top: 20px; }
.article-content .faq-a { padding-left: 20px; color: #555; }
.article-content .article-phone { background: #f0f7ff; padding: 16px; border-radius: 8px; color: #1a73e8; font-weight: 500; margin: 20px 0; }

.article-footer { margin-top: 40px; padding-top: 20px; border-top: 1px solid #eee; }
.article-tags { margin-bottom: 20px; }
.article-tags span { color: #888; margin-right: 10px; }
.article-tags a { display: inline-block; padding: 4px 12px; background: #f0f0f0; color: #666; text-decoration: none; border-radius: 4px; font-size: 13px; margin-right: 8px; }
.article-tags a:hover { background: #1a73e8; color: #fff; }
.article-contact { background: linear-gradient(135deg, #1a73e8 0%, #0d47a1 100%); color: #fff; padding: 24px; border-radius: 12px; text-align: center; margin-bottom: 20px; }
.article-contact p { margin-bottom: 8px; opacity: 0.9; }
.article-contact strong { font-size: 22px; }

.article-nav { display: flex; justify-content: space-between; gap: 20px; padding: 20px 0; border-top: 1px solid #eee; }
.prev-article, .next-article { flex: 1; font-size: 14px; }
.prev-article span, .next-article span { color: #999; display: block; margin-bottom: 4px; }
.prev-article a, .next-article a { color: #333; text-decoration: none; }
.prev-article a:hover, .next-article a:hover { color: #1a73e8; }
.next-article { text-align: right; }

.article-sidebar { width: 280px; flex-shrink: 0; }
.sidebar-box { background: #fff; border-radius: 12px; padding: 20px; margin-bottom: 20px; box-shadow: 0 2px 8px rgba(0,0,0,0.06); }
.sidebar-box h4 { font-size: 16px; margin-bottom: 16px; padding-bottom: 12px; border-bottom: 2px solid #1a73e8; display: inline-block; }
.sidebar-phone { text-align: center; }
.big-phone { display: block; font-size: 24px; font-weight: bold; color: #1a73e8; margin-bottom: 8px; }
.sidebar-phone p { font-size: 14px; color: #666; }
.sidebar-news { list-style: none; }
.sidebar-news li { padding: 10px 0; border-bottom: 1px dashed #eee; }
.sidebar-news li:last-child { border-bottom: none; }
.sidebar-news a { color: #555; text-decoration: none; font-size: 14px; line-height: 1.5; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.sidebar-news a:hover { color: #1a73e8; }

.region-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.region-card { background: #fff; padding: 30px 24px; border-radius: 12px; text-align: center; box-shadow: 0 2px 12px rgba(0,0,0,0.06); transition: transform 0.2s; }
.region-card:hover { transform: translateY(-4px); }
.region-card h3 { font-size: 20px; margin-bottom: 10px; color: #222; }
.region-card p { color: #888; font-size: 14px; margin-bottom: 20px; }
.region-card .btn { background: #1a73e8; color: #fff; font-size: 14px; padding: 8px 20px; }

.province-block { margin-bottom: 40px; }
.province-block h3 { font-size: 20px; margin-bottom: 20px; color: #222; padding-left: 12px; border-left: 4px solid #1a73e8; }
.city-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 12px; }
.city-card { display: block; padding: 14px; background: #fff; color: #555; text-decoration: none; border-radius: 8px; text-align: center; font-size: 15px; box-shadow: 0 2px 8px rgba(0,0,0,0.05); transition: all 0.2s; }
.city-card:hover { background: #1a73e8; color: #fff; transform: translateY(-2px); }

.footer { background: #222; color: #aaa; padding: 50px 0 20px; }
.footer-bottom { text-align: center; padding-top: 20px; border-top: 1px solid #333; font-size: 13px; }

@media (max-width: 992px) {
    .article-wrap { flex-direction: column; }
    .article-sidebar { width: 100%; }
    .city-grid { grid-template-columns: repeat(4, 1fr); }
}
@media (max-width: 768px) {
    .nav { display: none; }
    .banner .container { flex-direction: column; text-align: center; }
    .advantages, .products, .scenes, .region-grid { grid-template-columns: repeat(2, 1fr); }
    .news-list { grid-template-columns: 1fr; }
    .city-grid { grid-template-columns: repeat(3, 1fr); }
    .hero-text h1 { font-size: 32px; }
    .article-title { font-size: 22px; }
}
@media (max-width: 480px) {
    .advantages, .products, .scenes, .region-grid { grid-template-columns: 1fr; }
    .city-grid { grid-template-columns: repeat(2, 1fr); }
    .article-nav { flex-direction: column; gap: 12px; }
    .next-article { text-align: left; }
}