/* ==========================================================
   山东耀汇三维软件有限公司 — 站点共享样式
   ========================================================== */
:root{
  --navy:#0a1628;
  --navy2:#0f2242;
  --deep:#061020;
  --gold:#c9a962;
  --gold-l:#e8cf9a;
  --cyan:#39c5ff;
  --cyan-d:#1a8fd4;
  --txt:#2b3a4e;
  --txt-light:#8b98ab;
  --bg:#f4f7fb;
  --card:#ffffff;
  --shadow:0 20px 50px rgba(10,30,60,.12);
  --radius:14px;
  --ease:cubic-bezier(.22,.8,.3,1);
}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  color:var(--txt);background:#fff;line-height:1.7;
  overflow-x:hidden;
}
a{text-decoration:none;color:inherit;transition:color .3s;}
ul{list-style:none;}
img{display:block;max-width:100%;}
.wrap{width:min(1240px,92%);margin:0 auto;}

/* ============ 顶部信息条 ============ */
.topbar{
  background:linear-gradient(90deg,var(--deep),var(--navy2));
  color:#9db2cc;font-size:13px;
}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;height:38px;}
.topbar span b{color:var(--gold-l);font-weight:600;letter-spacing:1px;}
.topbar a:hover{color:#fff;}

/* ============ 导航 ============ */
header.site{
  position:sticky;top:0;z-index:1000;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid rgba(10,30,60,.06);
  transition:box-shadow .3s,background .3s;
}
header.site.scrolled{box-shadow:0 10px 40px rgba(8,25,55,.12);}
.navbar{display:flex;align-items:center;justify-content:space-between;height:86px;}
.logo img{height:60px;width:auto;}
nav.main ul{display:flex;gap:8px;}
nav.main a{
  display:flex;flex-direction:column;align-items:center;
  padding:10px 20px;position:relative;
}
nav.main a h4{
  font-size:17px;font-weight:600;color:var(--navy);letter-spacing:2px;
  transition:color .3s;
}
nav.main a em{
  font-style:normal;font-size:10px;color:#b0bac9;letter-spacing:1px;
  text-transform:uppercase;transition:color .3s;
}
nav.main a::after{
  content:"";position:absolute;left:50%;bottom:0;width:0;height:3px;
  background:linear-gradient(90deg,var(--gold),var(--gold-l));
  transform:translateX(-50%);border-radius:3px 3px 0 0;
  transition:width .35s var(--ease);
}
nav.main a:hover h4,nav.main a.active h4{color:var(--cyan-d);}
nav.main a:hover::after,nav.main a.active::after{width:60%;}
.nav-cta{
  display:inline-flex;align-items:center;gap:8px;
  background:linear-gradient(135deg,#123a6e,#0a2547);
  color:#fff !important;padding:10px 22px;border-radius:999px;
  font-size:15px;box-shadow:0 8px 20px rgba(10,40,90,.25);
  transition:transform .3s var(--ease),box-shadow .3s;
}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(10,40,90,.35);}
.nav-cta svg{width:16px;height:16px;fill:var(--gold-l);}
.burger{display:none;background:none;border:0;cursor:pointer;padding:8px;}
.burger span{display:block;width:26px;height:2.5px;background:var(--navy);margin:5px 0;border-radius:2px;transition:.3s;}

/* ============ 首页轮播 ============ */
.hero{position:relative;height:min(78vh,660px);min-height:480px;overflow:hidden;background:var(--deep);}
.hero .slide{
  position:absolute;inset:0;opacity:0;transition:opacity 1.2s var(--ease);
  background-size:cover;background-position:center;
  transform:scale(1.06);transition:opacity 1.2s var(--ease),transform 7s linear;
}
.hero .slide.on{opacity:1;transform:scale(1);}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(180deg,rgba(6,16,32,.45) 0%,rgba(6,16,32,.05) 40%,rgba(6,16,32,.55) 100%);
}
.hero-caption{position:absolute;left:0;right:0;bottom:12%;z-index:5;text-align:center;color:#fff;}
.hero-caption h2{
  font-size:clamp(28px,4.4vw,52px);font-weight:700;letter-spacing:6px;
  text-shadow:0 6px 30px rgba(0,0,0,.5);
  background:linear-gradient(120deg,#fff 30%,var(--gold-l));
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
}
.hero-caption p{margin-top:12px;font-size:clamp(14px,1.4vw,18px);letter-spacing:5px;color:rgba(255,255,255,.85);}
.hero-caption .line{width:70px;height:3px;margin:22px auto 0;border-radius:2px;background:linear-gradient(90deg,var(--gold),transparent);}
.hero-dots{position:absolute;bottom:36px;left:50%;transform:translateX(-50%);display:flex;gap:10px;z-index:6;}
.hero-dots i{width:26px;height:4px;border-radius:4px;background:rgba(255,255,255,.35);cursor:pointer;transition:.35s;}
.hero-dots i.on{background:var(--gold);width:44px;}
.hero-arrow{
  position:absolute;top:50%;transform:translateY(-50%);z-index:6;
  width:52px;height:52px;border-radius:50%;border:1px solid rgba(255,255,255,.35);
  background:rgba(255,255,255,.08);backdrop-filter:blur(6px);color:#fff;
  font-size:20px;display:flex;align-items:center;justify-content:center;
  cursor:pointer;transition:.3s;user-select:none;
}
.hero-arrow:hover{background:var(--gold);border-color:var(--gold);}
.hero-arrow.prev{left:28px;}
.hero-arrow.next{right:28px;}

/* ============ 通用区块标题 ============ */
section.block{padding:96px 0;}
.sec-head{text-align:center;margin-bottom:56px;}
.sec-head .en{
  display:block;font-size:13px;letter-spacing:6px;text-transform:uppercase;
  color:var(--gold);font-weight:600;margin-bottom:10px;
}
.sec-head h2{font-size:clamp(26px,3vw,38px);font-weight:700;color:var(--navy);letter-spacing:4px;}
.sec-head .bar{
  width:64px;height:4px;margin:20px auto 0;border-radius:4px;
  background:linear-gradient(90deg,var(--cyan-d),var(--gold));
}

/* ============ 产品卡片 ============ */
#products{background:
  radial-gradient(1000px 500px at 90% -10%,rgba(57,197,255,.08),transparent),
  var(--bg);}
.product-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(270px,1fr));gap:26px;}
.product-card{
  background:var(--card);border-radius:var(--radius);overflow:hidden;
  box-shadow:0 6px 24px rgba(10,30,60,.08);
  transition:transform .45s var(--ease),box-shadow .45s var(--ease);
  position:relative;border:1px solid rgba(10,30,60,.05);display:block;
}
.product-card::before{
  content:"";position:absolute;inset:0;border-radius:var(--radius);pointer-events:none;
  border:1px solid transparent;transition:border-color .4s;z-index:2;
}
.product-card:hover{transform:translateY(-10px);box-shadow:0 28px 60px rgba(10,40,90,.18);}
.product-card:hover::before{border-color:var(--gold);}
.product-card .thumb{
  height:190px;overflow:hidden;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(160deg,#f8fbff,#eef4fb);
}
.product-card .thumb img{
  max-height:80%;width:auto;max-width:86%;object-fit:contain;
  transition:transform .6s var(--ease);
}
.product-card:hover .thumb img{transform:scale(1.08) translateY(-4px);}
.product-card .body{padding:20px 22px 24px;text-align:center;position:relative;}
.product-card .body::before{
  content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:36px;height:2px;background:var(--gold);border-radius:2px;opacity:0;transition:.4s;
}
.product-card:hover .body::before{opacity:1;width:56px;}
.product-card h3{
  font-size:16.5px;font-weight:600;color:var(--navy);letter-spacing:.5px;
  line-height:1.5;min-height:50px;display:flex;align-items:center;justify-content:center;
}
.product-card .go{
  margin-top:10px;font-size:12.5px;letter-spacing:2px;color:var(--cyan-d);
  opacity:0;transform:translateY(6px);transition:.4s var(--ease);
}
.product-card:hover .go{opacity:1;transform:translateY(0);}

/* ============ 关于 ============ */
#about{background:var(--deep);color:#dbe6f5;position:relative;overflow:hidden;}
#about::before{
  content:"";position:absolute;right:-150px;top:-150px;width:560px;height:560px;border-radius:50%;
  background:radial-gradient(circle,rgba(57,197,255,.12),transparent 65%);
}
#about::after{
  content:"";position:absolute;left:-120px;bottom:-180px;width:480px;height:480px;border-radius:50%;
  background:radial-gradient(circle,rgba(201,169,98,.1),transparent 65%);
}
#about .sec-head h2{color:#fff;}
#about .grid{display:grid;grid-template-columns:1.15fr .85fr;gap:60px;align-items:center;position:relative;z-index:2;}
.about-text p{margin-bottom:18px;text-align:justify;color:rgba(219,230,245,.85);font-size:15.5px;}
.about-text p strong{color:var(--gold-l);font-weight:600;}
.about-media{position:relative;}
.about-media img{width:100%;border-radius:var(--radius);box-shadow:0 30px 80px rgba(0,0,0,.5);}
.about-media::before{
  content:"";position:absolute;inset:-16px 16px 16px -16px;
  border:1px solid rgba(201,169,98,.45);border-radius:var(--radius);z-index:-1;
}
.btn-more{
  display:inline-flex;align-items:center;gap:10px;margin-top:8px;
  padding:13px 34px;border-radius:999px;color:#fff;letter-spacing:3px;font-size:14.5px;
  background:linear-gradient(135deg,var(--gold),#a8873f);
  box-shadow:0 10px 26px rgba(201,169,98,.3);
  transition:transform .3s var(--ease),box-shadow .3s;
}
.btn-more:hover{transform:translateY(-3px);box-shadow:0 16px 34px rgba(201,169,98,.42);}
.about-tags{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:22px;}
.about-tags span{
  padding:6px 16px;border-radius:999px;font-size:12.5px;letter-spacing:1px;
  border:1px solid rgba(201,169,98,.5);color:var(--gold-l);
  background:rgba(201,169,98,.08);
}

/* ============ 新闻 ============ */
#news{background:var(--bg);}
.news-grid{display:grid;grid-template-columns:1fr 1.4fr;gap:32px;align-items:stretch;}
.news-col{background:#fff;border-radius:var(--radius);box-shadow:0 6px 24px rgba(10,30,60,.07);overflow:hidden;display:flex;flex-direction:column;}
.news-col .col-head{
  display:flex;align-items:center;justify-content:space-between;
  padding:20px 26px;border-bottom:1px solid rgba(10,30,60,.06);
}
.news-col .col-head h3{
  font-size:18px;color:var(--navy);letter-spacing:2px;font-weight:700;
  display:flex;align-items:baseline;gap:10px;
}
.news-col .col-head h3 em{font-style:normal;font-size:11px;color:#b0bac9;letter-spacing:2px;text-transform:uppercase;font-weight:400;}
.news-col .col-head a{font-size:12.5px;color:var(--gold);letter-spacing:1px;}
.news-col ul{flex:1;}
.news-col li{border-bottom:1px dashed rgba(10,30,60,.08);}
.news-col li:last-child{border-bottom:0;}
.news-col li a{display:flex;align-items:center;gap:14px;padding:17px 26px;transition:background .3s;}
.news-col li a:hover{background:linear-gradient(90deg,rgba(57,197,255,.06),transparent);}
.news-col .dot{
  flex:0 0 8px;width:8px;height:8px;border-radius:50%;
  background:linear-gradient(135deg,var(--cyan-d),var(--gold));transition:transform .3s;
}
.news-col li a:hover .dot{transform:scale(1.5);}
.news-col p{flex:1;font-size:14.5px;color:var(--txt);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.news-col li a:hover p{color:var(--cyan-d);}
.news-col .time{flex:0 0 auto;font-size:12.5px;color:var(--txt-light);font-family:Consolas,monospace;}
.news-feature{
  padding:22px 26px;border-left:3px solid var(--gold);margin:20px 0 0;
  background:linear-gradient(90deg,rgba(201,169,98,.08),transparent);
}
.news-feature h3{font-size:17px;color:var(--navy);line-height:1.7;}
.news-feature p{margin-top:8px;font-size:13.5px;color:var(--txt-light);}

/* ============ 联系 CTA ============ */
.cta{
  background:
    linear-gradient(120deg,rgba(6,16,32,.92),rgba(15,34,66,.85)),
    url("assets/banner1.png") center/cover fixed;
  color:#fff;text-align:center;padding:90px 0;
}
.cta h2{font-size:clamp(24px,3vw,36px);letter-spacing:4px;}
.cta p{margin-top:14px;color:rgba(255,255,255,.75);letter-spacing:2px;}
.cta .phone-big{
  display:inline-flex;align-items:center;gap:16px;margin-top:32px;
  font-size:clamp(26px,3.4vw,42px);font-weight:700;letter-spacing:2px;
  color:var(--gold-l);font-family:Georgia,serif;
}
.cta .phone-big svg{width:34px;height:34px;fill:var(--gold-l);}

/* ============ 页脚 ============ */
footer{background:var(--deep);color:#8fa2ba;}
.foot-main{display:grid;grid-template-columns:1.0fr 2.1fr 0.9fr;gap:40px;padding:70px 0 50px;}
.foot-main h4{
  color:#fff;font-size:16px;letter-spacing:3px;margin-bottom:22px;position:relative;padding-bottom:12px;
}
.foot-main h4::after{
  content:"";position:absolute;left:0;bottom:0;width:34px;height:2.5px;
  background:linear-gradient(90deg,var(--gold),transparent);border-radius:2px;
}
.foot-tel .num{font-size:26px;color:var(--gold-l);font-family:Georgia,serif;font-weight:700;letter-spacing:1px;}
.foot-tel .hours{font-size:13px;margin-top:4px;}
.foot-tel .addr{margin-top:14px;font-size:13.5px;line-height:2;display:flex;gap:8px;}
.foot-tel .addr svg{width:15px;height:15px;fill:var(--gold);flex:0 0 auto;margin-top:5px;}
.foot-links{display:grid;grid-template-columns:auto 1fr;gap:6px 56px;}
.foot-links a{display:block;font-size:13.5px;padding:5px 0;color:#8fa2ba;white-space:nowrap;transition:color .3s,transform .3s;}
.foot-links a:hover{color:var(--gold-l);transform:translateX(6px);}
.foot-entry a{font-size:14px;color:#c8d6e8;}
.foot-entry a:hover{color:var(--gold-l);}
.foot-bottom{border-top:1px solid rgba(255,255,255,.08);padding:20px 0;text-align:center;font-size:12.5px;letter-spacing:1px;}
.foot-bottom a{color:#8fa2ba;}
.foot-bottom a:hover{color:var(--gold-l);}

/* ============ 悬浮工具 ============ */
.float-tools{position:fixed;right:22px;bottom:110px;z-index:900;display:flex;flex-direction:column;gap:10px;}
.float-tools a,.float-tools button{
  width:52px;height:52px;border-radius:50%;border:0;cursor:pointer;
  background:linear-gradient(135deg,var(--navy),#1a4a8a);color:#fff;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  font-size:10.5px;gap:2px;box-shadow:0 10px 24px rgba(10,40,90,.3);
  transition:transform .3s var(--ease);font-family:inherit;
}
.float-tools a:hover,.float-tools button:hover{transform:translateY(-4px);}
.float-tools svg{width:18px;height:18px;fill:#fff;}
#backTop{
  opacity:0;pointer-events:none;transition:.35s;
  background:linear-gradient(135deg,var(--gold),#a8873f) !important;
}
#backTop.show{opacity:1;pointer-events:auto;}

/* ============ 进场动画 ============ */
.reveal{opacity:0;transform:translateY(36px);transition:opacity .9s var(--ease),transform .9s var(--ease);}
.reveal.in{opacity:1;transform:none;}
.d1{transition-delay:.08s}.d2{transition-delay:.16s}.d3{transition-delay:.24s}.d4{transition-delay:.32s}
.d5{transition-delay:.4s}.d6{transition-delay:.48s}.d7{transition-delay:.56s}.d8{transition-delay:.64s}

/* ==========================================================
   子页面
   ========================================================== */
.page-hero{
  position:relative;height:320px;overflow:hidden;
  background-size:cover;background-position:center;
  display:flex;align-items:center;
}
.page-hero::before{content:"";position:absolute;inset:0;background:linear-gradient(110deg,rgba(6,16,32,.88) 20%,rgba(6,16,32,.35));}
.page-hero .wrap{position:relative;z-index:2;color:#fff;}
.page-hero .en{font-size:13px;letter-spacing:6px;text-transform:uppercase;color:var(--gold-l);margin-bottom:12px;display:block;}
.page-hero h1{font-size:clamp(28px,3.6vw,44px);font-weight:700;letter-spacing:6px;}
.breadcrumb{
  margin-top:18px;font-size:13.5px;color:rgba(255,255,255,.65);letter-spacing:1px;
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
}
.breadcrumb a:hover{color:var(--gold-l);}
.breadcrumb i{font-style:normal;opacity:.5;}

.sub-section{padding:70px 0 96px;background:var(--bg);}
.sub-layout{display:grid;grid-template-columns:290px 1fr;gap:36px;align-items:start;}

/* 侧栏 */
.side-panel{background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:0 6px 24px rgba(10,30,60,.07);position:sticky;top:110px;}
.side-panel .sp-title{
  background:linear-gradient(135deg,var(--navy),#123a6e);color:#fff;
  padding:20px 24px;font-size:17px;letter-spacing:3px;font-weight:600;
  position:relative;
}
.side-panel .sp-title::after{
  content:"";position:absolute;left:24px;bottom:0;width:44px;height:3px;
  background:var(--gold);border-radius:2px;
}
.side-panel .sp-title em{
  display:block;font-style:normal;font-size:10.5px;letter-spacing:2px;
  color:rgba(255,255,255,.45);text-transform:uppercase;font-weight:400;margin-top:2px;
}
.side-panel ul{padding:10px 0;}
.side-panel li a{
  display:flex;align-items:center;justify-content:space-between;gap:8px;
  padding:13px 24px;font-size:14.5px;color:var(--txt);
  border-left:3px solid transparent;transition:.3s;
}
.side-panel li a span{flex:1;}
.side-panel li a i{font-style:normal;color:#c3cdd9;transition:.3s;}
.side-panel li a:hover,.side-panel li a.on{
  color:var(--cyan-d);border-left-color:var(--gold);
  background:linear-gradient(90deg,rgba(57,197,255,.07),transparent);
}
.side-panel li a:hover i{color:var(--gold);}

/* 主内容卡片 */
.main-panel{background:#fff;border-radius:var(--radius);box-shadow:0 6px 24px rgba(10,30,60,.07);overflow:hidden;}
.main-panel .mp-title{
  padding:20px 30px;border-bottom:1px solid rgba(10,30,60,.06);
  display:flex;align-items:center;justify-content:space-between;
}
.main-panel .mp-title h2{font-size:19px;color:var(--navy);letter-spacing:2px;position:relative;padding-left:16px;}
.main-panel .mp-title h2::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:4px;height:20px;border-radius:2px;background:linear-gradient(180deg,var(--gold),var(--cyan-d));
}
.main-panel .mp-title span{font-size:12.5px;color:var(--txt-light);letter-spacing:2px;}

/* 文章列表行 */
.row-list{padding:8px 0;}
.row-list li a{
  display:flex;align-items:center;gap:16px;padding:18px 30px;
  border-bottom:1px dashed rgba(10,30,60,.08);transition:background .3s;
}
.row-list li:last-child a{border-bottom:0;}
.row-list li a:hover{background:linear-gradient(90deg,rgba(57,197,255,.06),transparent);}
.row-list .dot{
  flex:0 0 8px;width:8px;height:8px;border-radius:50%;
  background:linear-gradient(135deg,var(--cyan-d),var(--gold));transition:transform .3s;
}
.row-list li a:hover .dot{transform:scale(1.5);}
.row-list p{flex:1;font-size:15px;color:var(--txt);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.row-list li a:hover p{color:var(--cyan-d);}
.row-list .time{flex:0 0 auto;font-size:12.5px;color:var(--txt-light);font-family:Consolas,monospace;}
.empty-tip{padding:60px 30px;text-align:center;color:var(--txt-light);font-size:14px;letter-spacing:2px;}

/* 案例图片网格 */
.pic-grid{padding:28px 30px;display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.pic-card{
  border-radius:12px;overflow:hidden;background:#fff;
  border:1px solid rgba(10,30,60,.07);
  box-shadow:0 4px 16px rgba(10,30,60,.07);
  transition:transform .4s var(--ease),box-shadow .4s var(--ease);
  display:block;
}
.pic-card:hover{transform:translateY(-8px);box-shadow:0 22px 48px rgba(10,40,90,.18);}
.pic-card .ph{height:170px;overflow:hidden;}
.pic-card .ph img{width:100%;height:100%;object-fit:cover;transition:transform .8s var(--ease);}
.pic-card:hover .ph img{transform:scale(1.1);}
.pic-card p{
  padding:13px 14px;font-size:13.5px;text-align:center;color:var(--navy);
  display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:2;overflow:hidden;line-height:1.6;
}
.pic-card:hover p{color:var(--cyan-d);}

/* 联系页 */
.contact-hero{padding:80px 0 96px;background:var(--bg);}
.contact-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;margin-bottom:50px;}
.contact-card{
  background:#fff;border-radius:var(--radius);padding:38px 30px;text-align:center;
  box-shadow:0 6px 24px rgba(10,30,60,.07);
  border-top:3px solid transparent;
  transition:transform .4s var(--ease),border-color .4s,box-shadow .4s;
}
.contact-card:hover{transform:translateY(-8px);border-top-color:var(--gold);box-shadow:0 24px 52px rgba(10,40,90,.16);}
.contact-card .ico{
  width:64px;height:64px;margin:0 auto 20px;border-radius:50%;
  background:linear-gradient(135deg,var(--navy),#1a4a8a);
  display:flex;align-items:center;justify-content:center;
}
.contact-card .ico svg{width:28px;height:28px;fill:var(--gold-l);}
.contact-card h3{font-size:16px;color:var(--navy);letter-spacing:2px;margin-bottom:10px;}
.contact-card p{font-size:14.5px;color:var(--txt);}
.contact-card p.big{font-size:22px;font-weight:700;color:var(--cyan-d);font-family:Georgia,serif;letter-spacing:1px;}
.contact-card a:hover{color:var(--cyan-d);}

/* 文章详情 */
.article-detail{padding:44px 48px 56px;}
.detail-figure{margin:28px 0;text-align:center;}
.detail-figure img{display:inline-block;max-width:100%;height:auto;border-radius:12px;box-shadow:0 18px 44px rgba(10,40,90,.18);}
.detail-cta{
  margin-top:40px;padding:30px 34px;text-align:center;
  background:linear-gradient(135deg,var(--navy) 0%,#123a6e 100%);
  border-radius:12px;color:#fff;
}
.detail-cta h3{font-size:18px;letter-spacing:2px;margin-bottom:8px;}
.detail-cta p{font-size:14px;color:rgba(255,255,255,.75);}
.detail-cta p b{color:var(--gold-l);font-size:18px;font-family:Georgia,serif;letter-spacing:1px;}
.detail-cta .btn-more{margin-top:16px;}
.article-detail h1{font-size:24px;color:var(--navy);letter-spacing:1px;line-height:1.6;}
.article-detail .meta{
  margin:16px 0 0;padding-bottom:20px;border-bottom:1px solid rgba(10,30,60,.08);
  font-size:13px;color:var(--txt-light);letter-spacing:1px;
  display:flex;gap:26px;flex-wrap:wrap;
}
.article-detail .content{margin-top:30px;font-size:15.5px;line-height:2.1;color:var(--txt);}
.article-detail .content p{margin-bottom:12px;}
.article-detail .content strong{color:var(--navy);}
.article-detail .content img{margin:14px 0;border-radius:10px;}

/* ============ 响应式 ============ */
@media (max-width:1080px){
  nav.main a{padding:10px 12px;}
  nav.main a h4{font-size:15px;}
  #about .grid{grid-template-columns:1fr;gap:40px;}
  .news-grid{grid-template-columns:1fr;}
  .foot-main{grid-template-columns:1fr 1fr;gap:40px;}
  .sub-layout{grid-template-columns:1fr;}
  .side-panel{position:static;}
  .contact-cards{grid-template-columns:1fr;}
  .pic-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:820px){
  .burger{display:block;}
  nav.main{
    position:fixed;inset:86px 0 auto 0;background:#fff;
    transform:translateY(-130%);transition:.45s var(--ease);
    box-shadow:0 30px 60px rgba(8,25,55,.18);z-index:999;
  }
  nav.main.open{transform:none;}
  nav.main ul{flex-direction:column;padding:12px 5% 24px;}
  nav.main a{flex-direction:row;gap:10px;justify-content:flex-start;}
  nav.main a em{order:-1;}
  .nav-cta{display:none;}
  .topbar{display:none;}
  .foot-main{grid-template-columns:1fr;}
  .foot-links{grid-template-columns:1fr;}
  .hero-arrow{display:none;}
  section.block{padding:64px 0;}
  .page-hero{height:230px;}
  .pic-grid{grid-template-columns:1fr;}
  .article-detail{padding:30px 24px 40px;}
}