/* 卓睿劳务 · 行业网站样式（浅色专业风） */
:root {
  --blue: #0e5fa4; --blue-d: #0a4a80; --navy: #10243e;
  --orange: #f26d21; --bg: #f5f7fa; --line: #e5eaf1;
  --txt: #23303f; --mut: #7b8a9c;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: "PingFang SC", "Microsoft YaHei", system-ui, sans-serif; color: var(--txt); background: var(--bg); }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
.wrap { max-width: 1180px; margin: 0 auto; padding: 0 16px; }
.narrow { max-width: 720px; }

/* 头部 */
.site-head { background: var(--navy); position: sticky; top: 0; z-index: 50; }
.head-in { display: flex; align-items: center; gap: 28px; height: 64px; }
.logo { display: flex; align-items: center; gap: 10px; color: #fff; }
.logo-mark { width: 38px; height: 38px; border-radius: 9px; background: linear-gradient(135deg, var(--orange), #ff9b48); color: #fff; font-size: 20px; font-weight: 700; display: flex; align-items: center; justify-content: center; }
/* 主页头部 LOGO 与 APP 统一：白底圆角芯片垫 APP 同款 LOGO 图（logo 主体深蓝，深色导航上需垫白底） */
.site-head .logo-mark { background: #fff; padding: 3px; }
.site-head .logo-mark img { width: 100%; height: 100%; object-fit: contain; display: block; }
.logo-txt b { font-size: 18px; display: block; letter-spacing: 2px; }
.logo-txt i { font-style: normal; font-size: 10px; color: #9fb3cc; letter-spacing: 1px; }
.main-nav { display: flex; gap: 6px; margin-left: 12px; flex: 1; }
.main-nav a { color: #c6d3e2; padding: 8px 14px; border-radius: 8px; font-size: 15px; }
.main-nav a:hover, .main-nav a.on { color: #fff; background: rgba(255,255,255,.09); }
.head-user { display: flex; gap: 8px; align-items: center; margin-left: auto; }
.head-user .uname { color: #c6d3e2; font-size: 13px; }
.ghost-btn { color: #dfe8f2; border: 1px solid rgba(255,255,255,.35); padding: 6px 14px; border-radius: 8px; font-size: 14px; }
.solid-btn { background: var(--orange); color: #fff; padding: 7px 16px; border-radius: 8px; font-size: 14px; display: inline-block; border: 0; cursor: pointer; }
.solid-btn:hover { background: #e05f12; }
.nav-toggle { display: none; background: none; border: 0; color: #fff; font-size: 22px; margin-left: auto; }

/* 轮播 */
.hero .carousel { position: relative; height: 460px; overflow: hidden; }
.slide { position: absolute; inset: 0; opacity: 0; transition: opacity .6s; }
.slide.on { opacity: 1; }
.slide img { width: 100%; height: 100%; object-fit: cover; }
.slide-txt { position: absolute; left: 8%; top: 50%; transform: translateY(-50%); color: #fff; text-shadow: 0 2px 14px rgba(0,20,40,.55); max-width: 560px; }
.slide-txt h2 { font-size: 40px; letter-spacing: 2px; margin-bottom: 12px; }
.slide-txt p { font-size: 17px; opacity: .95; margin-bottom: 22px; }
.slide-txt .solid-btn { font-size: 16px; padding: 10px 26px; }
.dots { position: absolute; bottom: 18px; left: 50%; transform: translateX(-50%); display: flex; gap: 8px; }
.dot { width: 10px; height: 10px; border-radius: 50%; background: rgba(255,255,255,.45); cursor: pointer; }
.dot.on { background: #fff; }
.arr { position: absolute; top: 50%; transform: translateY(-50%); width: 42px; height: 42px; border-radius: 50%; border: 0; background: rgba(16,36,62,.35); color: #fff; font-size: 24px; cursor: pointer; }
.arr:hover { background: rgba(16,36,62,.6); }
.arr.prev { left: 16px; } .arr.next { right: 16px; }

/* 通用区块 */
.sec { padding: 52px 0; }
.sec-gray { background: #fff; }
.sec-h { display: flex; align-items: baseline; gap: 14px; margin-bottom: 26px; }
.sec-h h3 { font-size: 26px; color: var(--navy); position: relative; padding-left: 14px; }
.sec-h h3::before { content: ''; position: absolute; left: 0; top: 6px; bottom: 6px; width: 5px; border-radius: 3px; background: var(--orange); }
.sec-h span { color: var(--mut); font-size: 14px; }
.sec-h .more { margin-left: auto; color: var(--blue); font-size: 14px; }

/* 分类 */
.cat-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 14px; }
.cat-card { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 20px 14px; text-align: center; transition: .2s; }
.cat-card:hover { transform: translateY(-4px); box-shadow: 0 10px 24px rgba(14,95,164,.12); border-color: var(--blue); }
.cat-ico { width: 52px; height: 52px; border-radius: 14px; background: linear-gradient(135deg, var(--blue), #2f8fd8); color: #fff; font-size: 22px; font-weight: 700; display: inline-flex; align-items: center; justify-content: center; margin-bottom: 10px; }
.cat-card b { display: block; font-size: 16px; color: var(--navy); }
.cat-card i { display: block; font-style: normal; color: var(--mut); font-size: 12px; margin: 6px 0; line-height: 1.5; height: 34px; overflow: hidden; }
.cat-card em { font-style: normal; font-size: 12px; color: var(--orange); }

/* 商品 */
.prod-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.prod-card { background: #fff; border: 1px solid var(--line); border-radius: 12px; overflow: hidden; transition: .2s; display: block; }
.prod-card:hover { transform: translateY(-4px); box-shadow: 0 10px 26px rgba(14,95,164,.13); }
.pimg { height: 200px; background: #f2f5f9; display: flex; align-items: center; justify-content: center; overflow: hidden; }
.pimg img { width: 100%; height: 100%; object-fit: cover; }
.pimg-none { color: #b8c4d2; font-size: 14px; }
.pbody { padding: 14px 16px 16px; }
.pcat { font-style: normal; font-size: 12px; color: var(--blue); background: #e8f1fa; padding: 2px 8px; border-radius: 5px; }
.pbody b { display: block; font-size: 16px; margin: 8px 0 4px; color: var(--navy); }
.pbody i { display: block; font-style: normal; font-size: 13px; color: var(--mut); height: 18px; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
.prow { display: flex; justify-content: space-between; align-items: center; margin-top: 10px; }
.price { color: var(--orange); font-weight: 700; font-size: 17px; }
.ask { font-size: 12px; color: var(--blue); border: 1px solid var(--blue); border-radius: 6px; padding: 2px 10px; }
.empty { grid-column: 1/-1; text-align: center; color: var(--mut); padding: 60px 0; }

/* 分类筛选条 */
.page-head { background: var(--navy); color: #fff; padding: 34px 0; }
.page-head h2 { font-size: 24px; } .page-head span { color: #9fb3cc; font-size: 13px; display: block; margin-top: 6px; }
.cat-bar { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 24px; }
.cb { background: #fff; border: 1px solid var(--line); border-radius: 20px; padding: 7px 16px; font-size: 14px; color: var(--mut); }
.cb.on, .cb:hover { background: var(--blue); border-color: var(--blue); color: #fff; }

/* 详情 */
.detail { display: grid; grid-template-columns: 460px 1fr; gap: 36px; align-items: start; }
.dimg { background: #fff; border: 1px solid var(--line); border-radius: 14px; overflow: hidden; min-height: 380px; display: flex; align-items: center; justify-content: center; }
.dimg img { width: 100%; }
.dinfo h3 { font-size: 26px; color: var(--navy); }
.dspec { color: var(--mut); margin: 8px 0 18px; }
.dprice { background: #fff6f0; border: 1px solid #ffe1cc; border-radius: 10px; padding: 14px 18px; margin-bottom: 20px; }
.dprice b { color: var(--orange); font-size: 24px; margin-left: 6px; }
.dnote { display: block; color: var(--mut); font-size: 13px; margin-top: 6px; }
.ddesc { background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 16px 18px; margin-bottom: 22px; }
.ddesc b { color: var(--navy); }
.ddesc p { margin-top: 8px; line-height: 1.8; color: #44546a; }
.dbtns { display: flex; gap: 10px; flex-wrap: wrap; }
.big { font-size: 15px; padding: 11px 24px; }
.ghost-btn.big { color: var(--blue); border: 1px solid var(--blue); }

/* 促销 */
.promo-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.promo-card { background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 24px 26px; position: relative; }
.promo-card.hot { background: linear-gradient(135deg, #fff3ea, #fff); border-color: #ffd4b3; }
.promo-tag { position: absolute; right: 0; top: 0; background: var(--orange); color: #fff; font-size: 12px; padding: 4px 14px; border-radius: 0 14px 0 12px; }
.promo-card b { font-size: 19px; color: var(--navy); display: block; margin-bottom: 10px; }
.promo-card p { color: #5a6b7f; line-height: 1.8; font-size: 14px; min-height: 50px; }
.promo-link { display: inline-block; margin-top: 12px; color: var(--orange); font-size: 14px; }

/* 优势 */
.adv-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.adv-card { background: var(--bg); border-radius: 12px; padding: 24px 20px; }
.adv-card b { color: var(--navy); font-size: 17px; display: block; margin-bottom: 8px; }
.adv-card p { color: var(--mut); font-size: 13px; line-height: 1.7; }

/* 登录注册 */
.auth-sec { padding: 60px 16px; display: flex; justify-content: center; }
.auth-card { background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 34px 36px; width: 420px; max-width: 100%; }
.auth-card h2 { color: var(--navy); } .auth-sub { color: var(--mut); font-size: 13px; margin: 6px 0 20px; }
.auth-card label { display: block; font-size: 13px; color: var(--mut); margin: 14px 0 6px; }
.auth-card input, .form-card input, .form-card textarea { width: 100%; border: 1px solid #d5dde8; border-radius: 9px; padding: 11px 13px; font-size: 15px; font-family: inherit; }
.auth-card input:focus, .form-card textarea:focus { outline: none; border-color: var(--blue); }
.auth-card .solid-btn { margin-top: 22px; }
.auth-alt { margin-top: 16px; font-size: 13px; color: var(--mut); text-align: center; }
.auth-alt a { color: var(--blue); }
.err-box { background: #fdeaea; color: #c0392b; border: 1px solid #f5c6c6; border-radius: 8px; padding: 10px 14px; font-size: 13px; }
.ok-box { background: #e8f7ee; color: #1a8a4a; border: 1px solid #bfe8cf; border-radius: 8px; padding: 10px 14px; font-size: 14px; margin-bottom: 14px; }
.form-card { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 22px; }
.form-card label { display: block; font-size: 13px; color: var(--mut); margin-bottom: 8px; }
.form-card textarea { margin-bottom: 16px; resize: vertical; }
.tip-line { color: var(--mut); font-size: 13px; margin-top: 14px; }
.inq-prod { display: flex; gap: 14px; align-items: center; background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 14px 16px; margin-bottom: 14px; }
.inq-prod img { width: 64px; height: 64px; object-fit: cover; border-radius: 8px; }
.inq-prod b { color: var(--navy); } .inq-prod p { color: var(--mut); font-size: 13px; margin-top: 4px; }

/* 智慧工地 */
.smart-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.smart-card { background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 28px 24px; text-align: center; display: flex; flex-direction: column; align-items: center; }
.smart-card img { width: 140px; height: 140px; border-radius: 10px; border: 1px solid var(--line); margin-bottom: 16px; }
.smart-card b { color: var(--navy); font-size: 18px; }
.smart-card p { color: #5a6b7f; font-size: 13px; line-height: 1.7; margin: 8px 0 6px; min-height: 40px; }
.qr-ver { font-size: 12px; color: var(--orange); background: #fff3ea; border: 1px solid #ffd4b3; border-radius: 20px; padding: 3px 14px; margin-bottom: 14px; }
.smart-card .solid-btn, .smart-card .ghost-btn.big { margin-top: auto; padding: 10px 26px; border-radius: 9px; }

/* 页脚 */
.site-foot { background: var(--navy); color: #c6d3e2; margin-top: 40px; }
.foot-in { display: grid; grid-template-columns: 2fr 1fr 1.4fr; gap: 30px; padding: 40px 16px 30px; }
.foot-col b { color: #fff; display: block; margin-bottom: 12px; }
.foot-col a { display: block; color: #9fb3cc; font-size: 13px; padding: 3px 0; }
.foot-col a:hover { color: #fff; }
.foot-col p { font-size: 13px; color: #9fb3cc; padding: 3px 0; }
.copy { border-top: 1px solid rgba(255,255,255,.1); text-align: center; padding: 16px; font-size: 12px; color: #7b8fa8; }

/* 响应式 */
@media (max-width: 900px) {
  .hero .carousel { height: 300px; }
  .slide-txt h2 { font-size: 26px; } .slide-txt p { font-size: 14px; }
  .cat-grid { grid-template-columns: repeat(3, 1fr); }
  .prod-grid { grid-template-columns: repeat(2, 1fr); }
  .promo-grid, .adv-grid { grid-template-columns: 1fr; }
  .smart-grid { grid-template-columns: 1fr; }
  .detail { grid-template-columns: 1fr; }
  .main-nav { display: none; position: absolute; top: 64px; left: 0; right: 0; background: var(--navy); flex-direction: column; padding: 10px 16px 16px; z-index: 60; }
  .main-nav.open { display: flex; }
  .nav-toggle { display: block; }
  .head-user { margin-left: auto; } .head-user .uname { display: none; }
  .foot-in { grid-template-columns: 1fr; gap: 18px; }
}