/* ===== 内页横幅 ===== */
.page-banner { background: linear-gradient(135deg, #0b1a33 0%, #1a3a7a 50%, #2563eb 100%); color: #fff; padding: 60px 0 50px; position: relative; overflow: hidden; }
.page-banner::after { content: ''; position: absolute; right: -100px; top: -100px; width: 400px; height: 400px; background: rgba(255,255,255,0.04); border-radius: 50%; }
.page-banner .container { position: relative; z-index: 2; }
.page-banner h1 { font-size: 40px; font-weight: 700; margin-bottom: 10px; }
.page-banner p { font-size: 18px; opacity: 0.85; max-width: 600px; }
.page-banner .breadcrumb { margin-top: 16px; font-size: 14px; opacity: 0.7; }
.page-banner .breadcrumb a { color: #fff; opacity: 0.7; }
.page-banner .breadcrumb a:hover { opacity: 1; }
.page-banner .breadcrumb span { margin: 0 6px; }
/* ===== 公司简介 ===== */
.about-intro { padding: 70px 0; background: #fff; }
.about-intro .wrap { display: flex; gap: 60px; align-items: center; }
.about-intro .text { flex: 1; }
.about-intro .text .tag { font-size: 22px; color: #2563eb; font-weight: bold; margin-bottom: 16px; text-align: center; }
.about-intro .text p { font-size: 16px; line-height: 1.9; color: #555; margin-bottom: 16px; text-indent: 2em; }
.about-intro .text ul { display: grid; grid-template-columns: 1fr 1fr; gap: 6px 20px; margin-top: 16px; }
.about-intro .text ul li { line-height: 2.2; font-size: 15px; color: #444; }
.about-intro .img { flex: 1; border-radius: 12px; overflow: hidden; box-shadow: 0 4px 20px rgba(0,0,0,0.06); }
.about-intro .img img { width: 100%; height: 580px; object-fit: cover; }
/* ===== 企业文化 ===== */
.culture { padding: 70px 0; background: #f8fafc; }
.section-title { text-align: center; margin-bottom: 50px; }
.section-title h3 { font-size: 36px; color: #222; margin-bottom: 12px; font-weight: 700; }
.section-title p { color: #666; font-size: 16px; }
.culture-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.culture-card { background: #fff; padding: 40px 30px; border-radius: 12px; text-align: center; box-shadow: 0 2px 12px rgba(0,0,0,0.04); transition: transform 0.3s, box-shadow 0.3s; }
.culture-card:hover { transform: translateY(-6px); box-shadow: 0 8px 30px rgba(37,99,235,0.12); }
.culture-card .icon { font-size: 48px; margin-bottom: 16px; display: block; }
.culture-card h4 { font-size: 20px; color: #222; margin-bottom: 10px; }
.culture-card p { font-size: 15px; color: #666; line-height: 1.7; }
/* ===== 响应式 ===== */
@media screen and (max-width: 992px) {
.about-intro .wrap { flex-direction: column; }
.culture-grid { grid-template-columns: repeat(2, 1fr); }
.team-grid { grid-template-columns: repeat(2, 1fr); }
.honor-grid { grid-template-columns: repeat(2, 1fr); }
.page-banner h1 { font-size: 32px; }
.timeline { margin-left: 10px; padding-left: 30px; }
.timeline-item::before { left: -34px; }
}
@media screen and (max-width: 768px) {
.nav-list { position: fixed; top: 0; left: -100%; width: 80%; max-width: 320px; height: 100%; background: #fff; flex-direction: column; padding: 80px 30px 30px; box-shadow: 4px 0 20px rgba(0,0,0,0.15); transition: left 0.35s ease; gap: 0; overflow-y: auto; z-index: 1001; }
.nav-list.active { left: 0; }
.nav-list li a { display: block; padding: 14px 0; border-bottom: 1px solid #f0f0f0; font-size: 17px; }
.nav-list li a::after { display: none; }
.menu-btn { display: flex; }
.menu-overlay.active { display: block; }
.top-bar .container { justify-content: center; text-align: center; }
.hotline { width: 100%; margin-bottom: 4px; }
.page-banner { padding: 40px 0 30px; }
.page-banner h1 { font-size: 26px; }
.page-banner p { font-size: 15px; }
.about-intro .text ul { grid-template-columns: 1fr; }
.about-intro .img img { width: 100%; height: auto; }
.culture-grid { grid-template-columns: 1fr; }
.team-grid { grid-template-columns: 1fr 1fr; }
.honor-grid { grid-template-columns: 1fr 1fr; }
.section-title h3 { font-size: 28px; }
.contact-banner h3 { font-size: 26px; }
.tel-num { font-size: 28px; }
.contact-btns a { padding: 12px 30px; font-size: 15px; width: 80%; }
.footer-wrap { gap: 30px; }
.footer-col { min-width: 100%; }
.header .container { height: 60px; }
.logo { font-size: 20px; }
}
@media screen and (max-width: 480px) {
.page-banner h1 { font-size: 22px; }
.team-grid { grid-template-columns: 1fr; }
.honor-grid { grid-template-columns: 1fr; }
.contact-banner h3 { font-size: 22px; }
.tel-num { font-size: 24px; }
.about-intro .text .tag { font-size: 18px; }
.timeline-item .year { font-size: 18px; }
.culture-card { padding: 28px 18px; }
}