/* 常熟古建园林 - 现代简洁风格 */
:root{
  --primary:#1a5c3f; --primary-d:#134a32; --accent:#c8952e;
  --ink:#222; --muted:#666; --line:#e8e8e8; --bg:#f7f8f7; --card:#fff;
  --radius:12px;
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:"PingFang SC","Microsoft YaHei",system-ui,sans-serif;color:var(--ink);background:var(--bg);line-height:1.7}
.wrap{max-width:1140px;margin:0 auto;padding:0 20px}
a{color:var(--primary);text-decoration:none}
/* header */
.site-header{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50}
.header-in{display:flex;align-items:center;justify-content:space-between;height:72px}
.brand{display:flex;align-items:center;gap:12px}
.brand-logo{height:46px;width:auto}
.brand-name{font-size:19px;font-weight:700;color:var(--primary);line-height:1.2}
.brand-name small{display:block;font-size:10px;font-weight:400;color:var(--muted);letter-spacing:.5px}
.site-nav{display:flex;gap:4px}
.site-nav a{padding:8px 13px;border-radius:8px;color:var(--ink);font-size:15px;white-space:nowrap}
.site-nav a:hover{background:#eef5f0}
.site-nav a.active{background:var(--primary);color:#fff}
.nav-toggle{display:none;background:none;border:1px solid var(--line);border-radius:8px;font-size:20px;padding:4px 12px;cursor:pointer}
/* hero */
.hero{background:linear-gradient(135deg,#123f2b 0%,#1a5c3f 60%,#26704d 100%);color:#fff;padding:88px 0;text-align:center}
.hero h1{font-size:42px;letter-spacing:6px;margin-bottom:14px}
.hero p{opacity:.85;font-size:17px;margin-bottom:28px}
.hero-btns{display:flex;gap:14px;justify-content:center}
.btn{display:inline-block;padding:11px 30px;border-radius:999px;border:1px solid #fff;color:#fff;font-size:15px}
.btn-primary{background:var(--accent);border-color:var(--accent);color:#fff}
/* sections */
.section{padding:44px 0}
.sec-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}
.sec-head h2{font-size:24px;color:var(--primary);border-left:4px solid var(--accent);padding-left:12px}
.sec-title{font-size:20px;color:var(--primary);margin:26px 0 14px}
.page-head h1{font-size:30px;color:var(--primary)}
.page-sub{color:var(--muted);margin-top:6px}
.card{background:var(--card);border-radius:var(--radius);padding:24px;box-shadow:0 2px 12px rgba(0,0,0,.05)}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.proj-card h3{font-size:17px;margin:10px 0 6px;color:var(--ink)}
.proj-card p{font-size:14px;color:var(--muted)}
.proj-cat{display:inline-block;background:#eef5f0;color:var(--primary);font-size:12px;padding:3px 12px;border-radius:999px}
.proj-meta{font-size:13px;color:var(--muted)}
.honor-card{text-align:center}
.honor-year{font-size:30px;font-weight:700;color:var(--accent)}
.honor-card h3{margin:8px 0}
/* news */
.news-list{display:flex;flex-direction:column;gap:0}
.news-item{display:flex;gap:16px;align-items:baseline;background:#fff;padding:16px 20px;border-bottom:1px solid var(--line)}
.news-item:first-child{border-radius:12px 12px 0 0}
.news-item:last-child{border-bottom:none;border-radius:0 0 12px 12px}
.news-date{color:var(--muted);font-size:13px;white-space:nowrap}
.news-title{font-size:16px;color:var(--ink);font-weight:500}
.news-sum{display:block;font-size:13px;color:var(--muted);margin-top:4px}
/* tabs */
.tabs{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:20px}
.tabs button{padding:8px 20px;border:1px solid var(--line);background:#fff;border-radius:999px;cursor:pointer;font-size:14px}
.tabs button.on{background:var(--primary);color:#fff;border-color:var(--primary)}
/* timeline */
.timeline{display:flex;flex-direction:column;gap:0}
.tl-item{display:flex;gap:18px;padding:14px 0;border-left:2px solid var(--line);padding-left:24px;position:relative}
.tl-item::before{content:"";position:absolute;left:-7px;top:20px;width:12px;height:12px;border-radius:50%;background:var(--accent)}
.tl-year{font-weight:700;color:var(--primary);min-width:56px}
.rich h2{font-size:19px;color:var(--primary);margin:18px 0 8px}
.rich p{margin:8px 0}
.rich ul{margin:8px 0 8px 22px}
.back{display:inline-block;margin-bottom:14px;font-size:14px}
.loading{color:var(--muted);padding:20px}
.job-card{margin-bottom:16px}
.job-card h3{color:var(--primary)}
.msg-form{display:flex;flex-direction:column;gap:12px;max-width:520px}
.msg-form input,.msg-form textarea{padding:11px 14px;border:1px solid var(--line);border-radius:8px;font-size:15px;font-family:inherit}
.msg-form .btn{align-self:flex-start;cursor:pointer}
.tip{color:var(--primary);margin-top:10px}
/* footer */
.site-footer{background:#123024;color:#cfd8d3;margin-top:40px}
.foot-in{display:flex;justify-content:space-between;gap:30px;padding:44px 0;flex-wrap:wrap}
.foot-logo{height:40px;margin-bottom:10px;background:rgba(255,255,255,.06);border-radius:8px;padding:4px 10px}
.foot-sub{color:var(--accent);letter-spacing:4px;font-size:13px}
.foot-links{display:flex;flex-direction:column;gap:8px}
.foot-links a{color:#cfd8d3;font-size:14px}
.foot-copy{text-align:center;padding:16px;border-top:1px solid rgba(255,255,255,.1);font-size:13px;color:#9fb3aa}
/* responsive */
@media(max-width:860px){
  .grid{grid-template-columns:1fr 1fr}
  .hero h1{font-size:30px;letter-spacing:3px}
  .nav-toggle{display:block}
  .site-nav{display:none;position:absolute;top:72px;left:0;right:0;background:#fff;flex-direction:column;padding:10px 20px;border-bottom:1px solid var(--line)}
  .site-nav.open{display:flex}
  .header-in{position:relative}
  .brand-name{font-size:16px}
}
@media(max-width:560px){
  .grid{grid-template-columns:1fr}
  .hero{padding:60px 0}
  .news-item{flex-direction:column;gap:4px}
}