/* ============================================================
   甘肃勤发浩晨建设工程有限公司 — 官网设计系统
   风格：深蓝沉稳 · 商务专业 · 工厂化/标准化/信息化
   ============================================================ */
:root{
  --navy:#0b2a5b;
  --navy-deep:#081f45;
  --navy-2:#134a8e;
  --blue:#1c5fb0;
  --blue-2:#2f7fd6;
  --blue-l:#eaf1fa;
  --blue-ll:#f4f8fd;
  --gold:#e8a23d;
  --gold-l:#f3c074;
  --ink:#1e293b;
  --ink-2:#33415c;
  --gray:#5b6b82;
  --gray-l:#8a9ab2;
  --line:#e2e8f2;
  --bg:#f5f7fa;
  --white:#fff;
  --green:#1f9d6b;
  --red:#d25050;
  --shadow:0 10px 30px rgba(11,42,91,.08);
  --shadow-hover:0 18px 42px rgba(11,42,91,.16);
  --radius:14px;
}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  font-family:"Microsoft YaHei","PingFang SC","Helvetica Neue",Arial,sans-serif;
  color:var(--ink);line-height:1.75;
  background-color:var(--bg);
  background-image:linear-gradient(rgba(11,42,91,.032) 1px,transparent 1px),linear-gradient(90deg,rgba(11,42,91,.032) 1px,transparent 1px);
  background-size:40px 40px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{text-decoration:none;color:var(--blue);}
ul{list-style:none;}
.container{max-width:1200px;margin:0 auto;padding:0 26px;}
h1,h2,h3,h4{font-weight:800;letter-spacing:.5px;color:var(--navy);line-height:1.3;}

/* ---------- 通用按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--gold);color:#1a2b45;font-weight:800;font-size:17px;
  padding:13px 34px;border-radius:9px;border:none;cursor:pointer;
  transition:.22s;letter-spacing:1px;
}
.btn:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(232,162,61,.35);}
.btn.ghost{background:transparent;color:#fff;border:1.6px solid rgba(255,255,255,.55);}
.btn.ghost:hover{background:rgba(255,255,255,.12);box-shadow:none;}
.btn.blue{background:var(--blue);color:#fff;}
.btn.blue:hover{box-shadow:0 12px 26px rgba(28,95,176,.35);}
.btn.outline{background:#fff;color:var(--navy);border:1.6px solid var(--blue);}
.btn.outline:hover{background:var(--blue-l);box-shadow:none;}
.btn.sm{padding:9px 20px;font-size:14px;}

/* ---------- 顶部导航 ---------- */
.topnav{
  position:sticky;top:0;z-index:100;
  background:rgba(8,31,69,.96);backdrop-filter:blur(8px);
  border-bottom:1px solid rgba(255,255,255,.06);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:76px;}
.brand{color:#fff;font-size:20px;font-weight:800;letter-spacing:1px;line-height:1.25;}
.brand small{display:block;font-size:11px;font-weight:400;color:#a9c1e6;letter-spacing:3.4px;margin-top:3px;}
.nav-links{display:flex;align-items:center;gap:4px;}
.nav-links a{
  color:#d4e1f4;font-size:16px;padding:9px 15px;border-radius:7px;transition:.2s;position:relative;
}
.nav-links a:hover{color:#fff;background:rgba(255,255,255,.08);}
.nav-links a.active{color:var(--gold-l);}
.nav-links a.active::after{
  content:"";position:absolute;left:15px;right:15px;bottom:2px;height:2.5px;background:var(--gold);border-radius:2px;
}
.nav-toggle{display:none;background:none;border:none;cursor:pointer;flex-direction:column;gap:5px;padding:8px;}
.nav-toggle span{width:26px;height:2.6px;background:#fff;border-radius:2px;transition:.3s;}

/* ---------- 首页首屏 ---------- */
.hero{
  background:linear-gradient(112deg,rgba(8,31,69,.95) 0%,rgba(11,42,91,.86) 46%,rgba(19,74,142,.5) 100%),url("../images/workstation-2.jpg") center/cover no-repeat;
  background-attachment:fixed;
  color:#fff;padding:96px 0 108px;position:relative;overflow:hidden;
}
.hero::after{content:"";position:absolute;right:-140px;top:-140px;width:460px;height:460px;border:2px solid rgba(255,255,255,.07);border-radius:50%;}
.hero::before{content:"";position:absolute;left:-100px;bottom:-180px;width:400px;height:400px;border:2px solid rgba(232,162,61,.16);border-radius:50%;}
.hero .container{position:relative;z-index:2;}
.hero-badge{
  display:inline-block;border:1px solid rgba(232,162,61,.5);color:var(--gold-l);
  font-size:14px;letter-spacing:2px;padding:6px 18px;border-radius:30px;margin-bottom:26px;background:rgba(232,162,61,.08);
}
.hero h1{color:#fff;font-size:50px;line-height:1.22;}
.hero h1 .gold{color:var(--gold);}
.hero p.lead{font-size:19px;color:#cdddf5;margin:26px 0 34px;max-width:740px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:40px;}
.hero-tags span{
  border:1px solid rgba(255,255,255,.28);border-radius:30px;padding:7px 19px;
  font-size:15px;background:rgba(255,255,255,.07);color:#e4edfa;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:16px;}

/* ---------- 数据条 ---------- */
.stats{background:#fff;border-bottom:1px solid var(--line);}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;padding:46px 0;}
.stat{text-align:center;position:relative;}
.stat:not(:last-child)::after{content:"";position:absolute;right:-6px;top:18%;height:64%;width:1px;background:var(--line);}
.stat b{display:block;font-size:44px;color:var(--navy);font-weight:800;line-height:1.1;}
.stat b em{font-style:normal;color:var(--gold);font-size:26px;}
.stat span{color:var(--gray);font-size:16px;}

/* ---------- 通用区块 ---------- */
.section{padding:86px 0;}
.section.alt{background:#fff;}
.section.blue-bg{background:linear-gradient(135deg,rgba(11,42,91,.92),rgba(19,74,142,.8)),url("../images/cage-welding.jpg") center/cover;color:#fff;}
.sec-head{text-align:center;max-width:760px;margin:0 auto 52px;}
.sec-head.left{text-align:left;margin-left:0;}
.sec-title{font-size:34px;}
.sec-sub{color:var(--gray);font-size:17px;margin-top:12px;}
.sec-bar{width:62px;height:5px;background:var(--gold);border-radius:3px;margin:16px auto 0;}
.sec-head.left .sec-bar{margin:16px 0 0;}
.section.blue-bg .sec-title{color:#fff;}
.section.blue-bg .sec-sub{color:#c4d5ee;}
.lead-p{font-size:17px;color:var(--ink-2);}

/* ---------- 网格 / 卡片 ---------- */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:28px;}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 4px 16px rgba(11,42,91,.05);
  padding:30px 27px;transition:.25s;
}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover);border-color:var(--blue-2);}
.card .icon{
  width:56px;height:56px;border-radius:12px;background:var(--blue-l);
  display:flex;align-items:center;justify-content:center;font-size:27px;margin-bottom:18px;
}
.card h3{font-size:19px;margin-bottom:9px;}
.card p{font-size:15px;color:var(--gray);}
.card .more{display:inline-block;margin-top:14px;font-size:14px;font-weight:700;color:var(--blue);}
.card.dark{background:linear-gradient(160deg,var(--navy),var(--blue));color:#fff;border:none;}
.card.dark h3{color:#fff;}
.card.dark p{color:#d3e1f4;}
.card.dark .icon{background:rgba(255,255,255,.14);}

/* 特性清单 */
.check-list li{position:relative;padding-left:31px;margin:13px 0;font-size:16px;color:var(--ink-2);}
.check-list li::before{
  content:"✓";position:absolute;left:0;top:1px;color:#fff;background:var(--blue);
  width:21px;height:21px;border-radius:50%;text-align:center;line-height:21px;font-size:13px;
}
.check-list.gold li::before{background:var(--gold);color:#1a2b45;}

/* ---------- 子页面横幅 + 面包屑 ---------- */
.page-hero{
  background:linear-gradient(118deg,rgba(8,31,69,.94),rgba(19,74,142,.68)),url("../images/workstation-1.jpg") center/cover;color:#fff;padding:64px 0 58px;position:relative;overflow:hidden;
}
.page-hero::after{content:"";position:absolute;right:-120px;top:-120px;width:340px;height:340px;border:2px solid rgba(255,255,255,.07);border-radius:50%;}
.page-hero h1{color:#fff;font-size:38px;position:relative;z-index:2;}
.page-hero p{color:#c4d5ee;font-size:17px;margin-top:12px;position:relative;z-index:2;max-width:760px;}
.breadcrumb{font-size:14px;color:#9db6da;margin-bottom:18px;position:relative;z-index:2;}
.breadcrumb a{color:#9db6da;}
.breadcrumb span{color:var(--gold-l);}
.breadcrumb i{margin:0 9px;font-style:normal;opacity:.6;}

/* ---------- 流程（横向步骤） ---------- */
.flow{display:grid;grid-template-columns:repeat(6,1fr);gap:0;counter-reset:step;}
.flow-step{position:relative;padding:0 14px;text-align:center;}
.flow-step .num{
  width:54px;height:54px;margin:0 auto 14px;border-radius:50%;
  background:var(--blue);color:#fff;font-size:22px;font-weight:800;
  display:flex;align-items:center;justify-content:center;position:relative;z-index:2;
  box-shadow:0 6px 16px rgba(28,95,176,.3);
}
.flow-step:not(:last-child)::before{
  content:"";position:absolute;top:27px;left:calc(50% + 27px);width:calc(100% - 54px);height:2.5px;background:var(--line);z-index:1;
}
.flow-step h4{font-size:16px;margin-bottom:6px;}
.flow-step p{font-size:13.5px;color:var(--gray);}
.flow.gold .flow-step .num{background:var(--gold);color:#1a2b45;box-shadow:0 6px 16px rgba(232,162,61,.3);}

/* 纵向流程（带说明） */
.proc-list{display:grid;gap:18px;}
.proc-item{
  display:flex;gap:22px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:24px 26px;transition:.2s;
}
.proc-item:hover{box-shadow:var(--shadow);border-color:var(--blue-2);}
.proc-item .pnum{
  flex:0 0 52px;width:52px;height:52px;border-radius:12px;background:var(--navy);color:#fff;
  font-size:22px;font-weight:800;display:flex;align-items:center;justify-content:center;
}
.proc-item h3{font-size:18px;margin-bottom:5px;}
.proc-item p{font-size:15px;color:var(--gray);}

/* ---------- 亮点聚焦（钢筋笼工作站） ---------- */
.spotlight{
  display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;
}
.spotlight .media{
  aspect-ratio:4/3;border:2px dashed #94b0d6;border-radius:16px;background:rgba(255,255,255,.06);
  display:flex;flex-direction:column;align-items:center;justify-content:center;color:#cdddf2;text-align:center;padding:24px;
}
.spotlight .media span{font-size:46px;margin-bottom:12px;}
.spotlight h2{font-size:32px;}
.spotlight .spec-row{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:24px;}
.spotlight .spec-row .s{background:rgba(255,255,255,.08);border-radius:11px;padding:16px 18px;}
.spotlight .spec-row .s b{display:block;color:var(--gold-l);font-size:22px;}
.spotlight .spec-row .s small{color:#c4d5ee;font-size:13.5px;}

/* ---------- 设备 ---------- */
.equip-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.equip-cell{
  background:var(--blue-ll);border:1px solid var(--line);border-radius:12px;
  padding:26px 18px;text-align:center;transition:.22s;
}
.equip-cell:hover{transform:translateY(-5px);box-shadow:var(--shadow);background:#fff;}
.equip-cell .eicon{font-size:34px;margin-bottom:10px;}
.equip-cell b{display:block;font-size:16px;color:var(--navy);}
.equip-cell small{color:var(--gray);font-size:13px;}
.equip-cell.star{background:linear-gradient(160deg,var(--navy),var(--blue));border:none;}
.equip-cell.star b{color:#fff;}
.equip-cell.star small{color:#cdddf2;}
.equip-cell.star .tag{display:inline-block;margin-top:8px;background:var(--gold);color:#1a2b45;font-size:12px;font-weight:800;padding:2px 10px;border-radius:20px;}

/* ---------- 表格 ---------- */
.table-wrap{border-radius:12px;overflow:hidden;box-shadow:var(--shadow);background:#fff;}
table.data{width:100%;border-collapse:collapse;}
table.data th{background:var(--navy);color:#fff;font-size:15.5px;padding:15px 18px;text-align:left;font-weight:700;}
table.data td{padding:14px 18px;border-bottom:1px solid var(--line);font-size:15.5px;color:var(--ink-2);}
table.data tr:last-child td{border-bottom:none;}
table.data tr:hover td{background:var(--blue-ll);}
table.data td.hl{color:var(--navy);font-weight:800;}
.tag-pill{display:inline-block;font-size:13px;font-weight:700;padding:2px 12px;border-radius:20px;}
.tag-pill.g{background:#e3f6ee;color:var(--green);}
.tag-pill.b{background:var(--blue-l);color:var(--blue);}
.tag-pill.o{background:#fbeeda;color:#c07d1e;}

/* ---------- 图片占位 ---------- */
.photo-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.ph{
  aspect-ratio:4/3;border:2px dashed #b9c8de;border-radius:12px;background:#fbfcfe;
  display:flex;flex-direction:column;align-items:center;justify-content:center;color:var(--gray-l);
  text-align:center;padding:18px;font-size:14px;
}
.ph span{font-size:38px;margin-bottom:10px;}
.ph b{color:var(--gray);font-size:15px;}

/* ---------- CTA 横幅 ---------- */
.cta{
  background:linear-gradient(120deg,rgba(11,42,91,.93),rgba(28,95,176,.83)),url("../images/threading-line.jpg") center/cover;border-radius:18px;
  padding:54px 50px;display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap;
}
.cta h2{color:#fff;font-size:28px;}
.cta p{color:#c9daf2;font-size:16px;margin-top:8px;}

/* ---------- 联系 ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:30px;}
.info-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:34px;}
.info-row{display:flex;gap:16px;margin-bottom:22px;align-items:flex-start;}
.info-row .ic{
  flex:0 0 48px;width:48px;height:48px;border-radius:11px;background:var(--blue-l);
  display:flex;align-items:center;justify-content:center;font-size:22px;
}
.info-row b{display:block;font-size:14px;color:var(--gray);font-weight:400;}
.info-row .v{font-size:18px;font-weight:700;color:var(--navy);}
.map-ph{
  margin-top:8px;border:2px dashed #b9c8de;border-radius:12px;aspect-ratio:16/8;
  display:flex;align-items:center;justify-content:center;color:var(--gray-l);background:var(--blue-ll);
}
.form .frow{margin-bottom:18px;}
.form label{display:block;font-size:14.5px;color:var(--ink-2);margin-bottom:7px;font-weight:700;}
.form input,.form textarea,.form select{
  width:100%;padding:12px 14px;border:1.4px solid var(--line);border-radius:9px;
  font-size:15px;font-family:inherit;color:var(--ink);background:#fff;transition:.2s;
}
.form input:focus,.form textarea:focus,.form select:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px rgba(28,95,176,.12);}
.form textarea{resize:vertical;min-height:110px;}

/* ---------- 页脚 ---------- */
.site-footer{background:linear-gradient(rgba(8,31,69,.95),rgba(8,31,69,.97)),url("../images/flow-1-cage.jpg") center/cover;background-color:var(--navy-deep);color:#9db2d2;padding:58px 0 26px;font-size:14.5px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:34px;margin-bottom:40px;}
.site-footer h4{color:#dbe6f6;font-size:16px;margin-bottom:16px;}
.site-footer a{color:#9db2d2;display:block;padding:5px 0;transition:.2s;}
.site-footer a:hover{color:var(--gold-l);}
.site-footer .brand{font-size:18px;margin-bottom:14px;}
.site-footer .fabout{color:#8ea6cb;font-size:14px;line-height:1.8;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.09);padding-top:22px;text-align:center;color:#7f97bd;font-size:13.5px;}
.footer-bottom a{display:inline;color:#9db2d2;}

/* ---------- 工具类 ---------- */
.tc{text-align:center;}
.mt{margin-top:26px;}
.mt-lg{margin-top:46px;}
.muted{color:var(--gray);}
.gold-text{color:var(--gold);}
.badge-hot{display:inline-block;background:var(--red);color:#fff;font-size:12px;font-weight:800;padding:2px 10px;border-radius:20px;vertical-align:middle;margin-left:8px;}

/* ---------- 响应式 ---------- */
@media(max-width:980px){
  .hero h1{font-size:34px;}
  .hero{padding:70px 0 80px;background-attachment:scroll;}
  .stat-grid{grid-template-columns:repeat(2,1fr);gap:30px 10px;}
  .stat:nth-child(2)::after{display:none;}
  .grid-2,.grid-3,.grid-4,.spotlight,.contact-grid,.footer-grid{grid-template-columns:1fr;}
  .equip-grid{grid-template-columns:repeat(2,1fr);}
  .photo-grid{grid-template-columns:1fr;}
  .flow{grid-template-columns:repeat(2,1fr);gap:30px 10px;}
  .flow-step:not(:last-child)::before{display:none;}
  .nav-links{
    position:absolute;top:76px;left:0;right:0;background:var(--navy-deep);
    flex-direction:column;align-items:stretch;padding:14px 20px 22px;gap:6px;display:none;
  }
  .nav-links.open{display:flex;}
  .nav-links a{padding:12px 14px;}
  .nav-toggle{display:flex;}
  .cta{padding:38px 28px;}
  .section{padding:64px 0;}
}
@media(max-width:560px){
  .equip-grid{grid-template-columns:1fr;}
  .flow{grid-template-columns:1fr;}
  .spotlight .spec-row{grid-template-columns:1fr;}
}

/* ---------- 真实照片 ---------- */
.photo-real{width:100%;object-fit:cover;border-radius:12px;box-shadow:var(--shadow);border:1px solid var(--line);background:#fff;}
.photo-real.r43{aspect-ratio:4/3;}
.photo-real.r32{aspect-ratio:3/2;}
.photo-real.r169{aspect-ratio:16/9;}
.fig-cap{font-size:13.5px;color:var(--gray);text-align:center;margin-top:10px;line-height:1.6;}
.spotlight .photo-real{border-radius:16px;border:2px solid #cdd9ea;}
.gallery-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;align-items:start;}
.gallery-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;align-items:start;}
@media(max-width:980px){.gallery-2,.gallery-3{grid-template-columns:1fr;}}
/* 产能高亮行 */
table.data tr.total td{background:var(--blue-l);font-weight:800;color:var(--navy);}
table.data td .big{font-size:18px;font-weight:800;color:var(--navy);}