:root {
	--viren-red: #8B0000; /* 深红主色 */
	--viren-gold: #D4AF37; /* 辅助金，增加高级感 */
	--viren-dark: #1a1a1a;
	--text-light: #ffffff;
	--text-muted: rgba(255, 255, 255, 0.8);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: "PingFang SC", "Microsoft YaHei", sans-serif; line-height: 1.6; color: #333; background: #fff; scroll-behavior: smooth; }

/* 导航 */
nav {
	display: flex; justify-content: space-between; align-items: center;
	padding: 20px 8%; background: var(--viren-red); position: fixed;
	width: 100%; top: 0; z-index: 1000; border-bottom: 1px solid var(--viren-gold);
}
nav .logo { color: var(--text-light); font-size: 24px; font-weight: bold; letter-spacing: 2px; }
nav .links { display: none; }
@media (min-width: 992px) {
	nav .links { display: flex; gap: 30px; }
	nav .links a { color: var(--text-light); text-decoration: none; font-size: 15px; font-weight: 500; }
	nav .links a:hover { color: var(--viren-gold); }
}

/* 英雄视窗 */
.hero {
	height: 90vh; background: linear-gradient(rgba(139, 0, 0, 0.6), rgba(0, 0, 0, 0.7)), url('/static/images/photo-1541746972996-4e0b0f43e02a.avif') center/cover;
	display: flex; flex-direction: column; justify-content: center; align-items: center;
	text-align: center; color: var(--text-light); padding: 0 20px;
}
.hero h1 { font-size: clamp(36px, 8vw, 72px); margin-bottom: 20px; text-shadow: 2px 2px 10px rgba(0,0,0,0.5); }
.hero .subtitle { font-size: 20px; letter-spacing: 4px; border-top: 2px solid var(--viren-gold); padding-top: 10px; }

/* 通用区块样式 */
section { padding: 100px 10%; }
.red-section { background: var(--viren-red); color: var(--text-light); }
.section-title { font-size: 32px; text-align: center; margin-bottom: 60px; }
.section-title.gold { color: var(--viren-gold); }

/* 我们是谁 */
.about-box { max-width: 900px; margin: 0 auto; text-align: center; font-size: 18px; line-height: 2; }

/* 四大业务 - 卡片布局 */
.biz-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 30px; }
.biz-card { padding: 40px; border: 1px solid var(--viren-gold); background: rgba(255,255,255,0.05); transition: 0.4s; }
.biz-card:hover { background: var(--viren-gold); color: var(--viren-red); }
.biz-card h3 { margin-bottom: 15px; font-size: 22px; }

/* 大事记 - 简化美化版 */
/* 紧凑型时间轴 (模仿截图样式) */
.timeline-box { position: relative; max-width: 900px; margin: 0 auto; padding: 20px 0; }
.timeline-box::before { content: ''; position: absolute; left: 50%; width: 1px; background: #ddd; top: 0; bottom: 0; transform: translateX(-50%); }

.tm-item { position: relative; width: 50%; padding: 10px 40px; margin-bottom: 20px; }
.tm-item.left { left: 0; text-align: right; }
.tm-item.right { left: 50%; text-align: left; }

/* 节点小圆点 */
.tm-item::after { 
	content: ''; position: absolute; width: 10px; height: 10px; 
	background: var(--viren-red); border-radius: 50%; top: 18px; z-index: 2;
}
.tm-item.left::after { right: -5px; }
.tm-item.right::after { left: -5px; }

.tm-year { font-size: 22px; font-weight: bold; color: var(--viren-red); margin-bottom: 2px; display: block; }
.tm-desc { font-size: 14px; color: #666; line-height: 1.5; }

/* 2029 规划特殊色 */
.tm-item.future .tm-year { color: var(--viren-gold); }
.tm-item.future::after { background: var(--viren-gold); }

/* 未来方向 */
.future-grid { display: flex; flex-wrap: wrap; gap: 20px; justify-content: center; }
.future-item { flex: 1; min-width: 250px; background: #f9f9f9; padding: 30px; text-align: center; border-bottom: 4px solid var(--viren-red); }

/* 联系我们 - 左右布局 */
.contact-container { display: flex; flex-wrap: wrap; gap: 50px; background: #fff; padding: 60px 10%; }
.contact-info { flex: 1; min-width: 300px; }
.contact-map { flex: 1.2; min-width: 300px; height: 400px; background: #eee; position: relative; }
.contact-map iframe { width: 100%; height: 100%; border: none; }
.contact-item { margin-bottom: 25px; }
.contact-item label { font-weight: bold; color: var(--viren-red); display: block; margin-bottom: 5px; }

/* 页脚 */
footer { background: var(--viren-dark); color: #888; padding: 40px 10%; text-align: center; font-size: 14px; }
footer a {color: #888;}
footer a:hover {  color: var(--viren-red);  text-decoration: none;}
.iw_poi_title {color:var(--viren-red);font-size:14px;font-weight:bold;overflow:hidden;padding-right:13px;white-space:nowrap}
.iw_poi_content {font:12px arial,sans-serif;overflow:visible;padding-top:4px;white-space:-moz-pre-wrap;word-wrap:break-word}

@media (max-width: 768px) {
	section { padding: 60px 5%; }
	.hero h1 { font-size: 32px; }
}
/* 手机适配 */
@media (max-width: 768px) {
	.timeline-box::before { left: 20px; }
	.tm-item { width: 100%; text-align: left !important; padding-left: 40px; padding-right: 0; }
	.tm-item.right { left: 0; }
	.tm-item::after { left: 15px !important; }
	section { padding: 60px 5%; }
}