/* =========================================================
   物联网黄页 ioth.net — 全局样式（前台 + 后台共用设计语言）
   设计框架：青绿 teal × 琥珀 amber（继承自原型 index.html）
   ========================================================= */
:root{
  --teal-900:#083A3C; --teal-700:#0D5C5E; --teal-600:#12706F; --teal-500:#1A8A87;
  --teal-100:#E3F0EE; --teal-50:#F0F7F6;
  --amber-600:#D98E04; --amber-500:#F0A500; --amber-100:#FDF3DC;
  --ink:#132524; --ink-2:#4A5F5D; --ink-3:#8AA19E;
  --line:#E2EAE9; --bg:#F7FAF9; --card:#FFFFFF;
  --radius:14px; --danger:#C0392B;
}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:"PingFang SC","Microsoft YaHei",system-ui,sans-serif;background:var(--bg);color:var(--ink);line-height:1.6}
a{text-decoration:none;color:inherit}
i{font-style:normal}
.dim{color:var(--ink-3);font-size:12px}
.sub{font-size:12px;color:var(--ink-3)}
.empty-tip{grid-column:1/-1;text-align:center;color:var(--ink-3);padding:40px 0;line-height:2}
.notfound{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:60px 20px;text-align:center;margin:0 auto;max-width:560px}
.notfound h2{margin:12px 0 6px;color:var(--teal-700)}
.notfound p{color:var(--ink-3);margin-bottom:20px}

/* ============ 顶部导航 ============ */
.nav{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.93);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav-inner{max-width:1200px;margin:0 auto;padding:0 24px;height:64px;display:flex;align-items:center;gap:26px}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:19px}
.logo .mark{width:34px;height:34px;border-radius:9px;background:linear-gradient(135deg,var(--teal-600),var(--teal-500));display:flex;align-items:center;justify-content:center;color:#fff;font-size:15px}
.logo em{font-style:normal;color:var(--teal-600);font-size:14px;font-weight:600}
.nav-links{display:flex;gap:24px;font-size:14px;color:var(--ink-2)}
.nav-links a{position:relative}
.nav-links a:hover{color:var(--teal-600)}
.nav-links a.active{color:var(--teal-700);font-weight:600}
.nav-links a.active::after{content:"";position:absolute;left:0;right:0;bottom:-8px;height:3px;border-radius:3px;background:var(--amber-500)}
.nav-cta{margin-left:auto;display:flex;gap:12px;align-items:center}

/* ============ 按钮 ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:8px 18px;border-radius:9px;font-size:14px;cursor:pointer;border:1px solid transparent;font-family:inherit;line-height:1.4;text-align:center}
.btn-ghost{background:transparent;color:var(--teal-700);border:1px solid var(--teal-600)}
.btn-ghost:hover{background:var(--teal-50)}
.btn-primary{background:linear-gradient(135deg,var(--teal-600),var(--teal-500));color:#fff}
.btn-primary:hover{filter:brightness(1.06)}
.btn-amber{background:var(--amber-500);color:#3A2A00;font-weight:600}
.btn-amber:hover{filter:brightness(1.05)}
.btn-danger{background:#FBEFED;color:var(--danger);border-color:#F0D2CC}
.btn-danger:hover{background:#F5DED9}
.btn-mini{padding:3px 10px;font-size:12px;border-radius:7px}
.btn-block{width:100%;margin-top:4px}
.btn-call{width:100%;margin-bottom:10px}

/* ============ Hero ============ */
.hero{position:relative;background:linear-gradient(160deg,#0B4A4C 0%,#0D5C5E 55%,#12706F 100%);color:#fff;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);background-size:44px 44px}
.hero::after{content:"";position:absolute;width:520px;height:520px;border-radius:50%;background:radial-gradient(circle,rgba(240,165,0,.18),transparent 65%);top:-200px;right:-120px}
.hero-inner{position:relative;max-width:1200px;margin:0 auto;padding:66px 24px 60px;text-align:center}
.hero .city{display:inline-flex;align-items:center;gap:6px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);padding:5px 14px;border-radius:99px;font-size:13px;margin-bottom:18px}
.hero h1{font-size:34px;font-weight:700;letter-spacing:1px}
.hero h1 span{color:var(--amber-500)}
.hero p.sub{margin-top:12px;color:rgba(255,255,255,.72);font-size:15px}
.hero-mini .hero-inner{padding:34px 24px 30px}
.hero-mini h1{font-size:24px}
.hero-mini .crumb{margin-bottom:10px;font-size:13px;color:rgba(255,255,255,.7);display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.hero-mini .crumb a:hover{color:var(--amber-500)}
.search-box{margin:30px auto 0;max-width:680px;display:flex;background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 8px 26px rgba(4,36,37,.25)}
.search-box select{border:none;outline:none;padding:14px 12px;font-size:14px;color:var(--ink-2);border-right:1px solid var(--line);background:#fff;cursor:pointer;font-family:inherit;max-width:150px}
.search-box input{flex:1;border:none;outline:none;padding:14px 18px;font-size:15px;font-family:inherit;min-width:0}
.search-box button{border:none;padding:0 32px;background:linear-gradient(135deg,var(--amber-600),var(--amber-500));color:#3A2A00;font-weight:700;font-size:15px;cursor:pointer;font-family:inherit}
.search-box button:hover{filter:brightness(1.05)}
.hot{margin-top:18px;font-size:13px;color:rgba(255,255,255,.65)}
.hot a{display:inline-block;margin:4px 6px 0;padding:4px 12px;border-radius:99px;background:rgba(255,255,255,.1);color:#fff}
.hot a:hover{background:rgba(240,165,0,.35)}

/* ============ 数据统计条 ============ */
.stats{max-width:1200px;margin:-30px auto 0;position:relative;padding:0 24px;z-index:2}
.stats-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);display:grid;grid-template-columns:repeat(4,1fr);text-align:center;padding:20px 0;box-shadow:0 6px 18px rgba(13,92,94,.08)}
.stats-card b{display:block;font-size:25px;color:var(--teal-600);font-weight:700}
.stats-card b i{font-style:normal;font-size:13px;color:var(--amber-600)}
.stats-card span{font-size:13px;color:var(--ink-3)}

/* ============ 通用区块 ============ */
.section{max-width:1200px;margin:0 auto;padding:52px 24px 0}
.sec-head{display:flex;align-items:baseline;gap:14px;margin-bottom:22px;flex-wrap:wrap}
.sec-head h2{font-size:22px;font-weight:700}
.sec-head h2::before{content:"";display:inline-block;width:4px;height:19px;background:var(--amber-500);border-radius:2px;margin-right:10px;vertical-align:-2px}
.sec-head .more{margin-left:auto;font-size:13px;color:var(--teal-600)}
.sec-head .more:hover{text-decoration:underline}

/* ============ 分类网格 ============ */
.cats{display:grid;grid-template-columns:repeat(6,1fr);gap:14px}
.cats-4{grid-template-columns:repeat(4,1fr)}
.cat{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px 10px;text-align:center;cursor:pointer;transition:.2s}
.cat:hover{border-color:var(--teal-500);background:var(--teal-50);transform:translateY(-3px);box-shadow:0 8px 18px rgba(13,92,94,.10)}
.cat .ico{font-size:26px}
.cat b{display:block;margin-top:8px;font-size:14px;font-weight:600}
.cat span{font-size:12px;color:var(--ink-3)}

/* ============ 列表工具栏 ============ */
.list-toolbar{display:flex;gap:10px;margin-bottom:16px;flex-wrap:wrap}
.list-toolbar.sub{margin:-4px 0 14px;padding-left:2px}
.chip{padding:6px 16px;border-radius:99px;font-size:13px;background:var(--card);border:1px solid var(--line);color:var(--ink-2);cursor:pointer;font-family:inherit;display:inline-flex;gap:6px;align-items:center}
.chip:hover{border-color:var(--teal-500);color:var(--teal-700)}
.chip.on{background:var(--teal-600);border-color:var(--teal-600);color:#fff}
.chip i{font-style:normal;font-size:11px;background:rgba(255,255,255,.25);border-radius:99px;padding:0 7px}
.sort-row{display:flex;align-items:center;margin-bottom:16px;font-size:13px;color:var(--ink-3);flex-wrap:wrap;gap:12px}
.sort-row b{color:var(--teal-700)}
.sort-links{margin-left:auto;display:flex;gap:4px;background:var(--card);border:1px solid var(--line);border-radius:99px;padding:3px}
.sort-links a{padding:4px 14px;border-radius:99px;font-size:13px;color:var(--ink-2)}
.sort-links a.on{background:var(--teal-50);color:var(--teal-700);font-weight:600}

/* ============ 商家卡片 ============ */
.biz-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.biz{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px;transition:.2s;cursor:pointer;display:block}
.biz:hover{border-color:var(--teal-500);transform:translateY(-3px);box-shadow:0 10px 22px rgba(13,92,94,.10)}
.biz-top{display:flex;justify-content:space-between;align-items:flex-start;gap:8px}
.biz h3{font-size:16px;font-weight:700;color:var(--ink)}
.biz:hover h3{color:var(--teal-700)}
.biz .tag{font-size:11px;padding:2px 9px;border-radius:99px;background:var(--teal-100);color:var(--teal-700);white-space:nowrap}
.biz .tag.gold{background:linear-gradient(135deg,var(--amber-500),#F6B53C);color:#3A2A00;font-weight:600}
/* 通用徽标（前台卡片与后台表格共用） */
.tag{display:inline-block;font-size:11px;padding:2px 9px;border-radius:99px;background:var(--teal-100);color:var(--teal-700);white-space:nowrap}
.tag.gold{background:linear-gradient(135deg,var(--amber-500),#F6B53C);color:#3A2A00;font-weight:600}
.biz .meta{margin-top:10px;font-size:13px;color:var(--ink-2);display:grid;gap:5px}
.biz .meta .row{display:flex;gap:7px;align-items:flex-start}
.biz .meta .k{color:var(--ink-3);flex-shrink:0}
.biz .meta .row span:last-child{word-break:break-all}
.biz-foot{margin-top:14px;padding-top:12px;border-top:1px dashed var(--line);display:flex;align-items:center}
.biz-foot .phone{margin-left:auto;font-size:13px;color:var(--teal-600);font-weight:600;white-space:nowrap}

/* 星级（重叠显示，支持半星观感） */
.stars-ov{position:relative;display:inline-block;font-size:14px;line-height:1;letter-spacing:2px;color:#D8E2E0}
.stars-ov .stars-fg{position:absolute;left:0;top:0;overflow:hidden;white-space:nowrap;color:var(--amber-500);letter-spacing:2px}
.biz-foot .stars em{font-style:normal;color:var(--ink-3);margin-left:8px;font-size:12px;letter-spacing:0;vertical-align:1px}

/* ============ 详情页 ============ */
.detail-sec{padding-bottom:40px}
.detail-wrap{display:grid;grid-template-columns:1.2fr .8fr;gap:16px;align-items:start}
.detail-main{display:grid;gap:16px}
.detail-side{display:grid;gap:16px;position:sticky;top:84px}
.dpanel{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.dpanel h4{font-size:15px;font-weight:700;color:var(--teal-700);margin-bottom:14px;display:flex;align-items:center;gap:8px}
.dpanel h4 .n{width:20px;height:20px;border-radius:6px;background:var(--teal-600);color:#fff;font-size:12px;display:flex;align-items:center;justify-content:center}
.dpanel h4 .n:first-child{background:var(--amber-500);color:#3A2A00}
.field-list{display:grid;gap:9px}
.field-list .f{display:flex;font-size:13px;border:1px dashed var(--line);border-radius:8px;padding:8px 12px;gap:10px}
.field-list .f b{width:90px;flex-shrink:0;color:var(--ink-3);font-weight:500}
.field-list .f span{color:var(--ink);word-break:break-all}
.field-list .f .tel{color:var(--teal-700);font-weight:700}
.dpanel .intro{font-size:14px;color:var(--ink-2);line-height:1.9}
.dnote{margin-top:14px;font-size:12px;color:var(--ink-3);background:var(--teal-50);border-radius:8px;padding:10px 12px}
.chips-box{display:flex;flex-wrap:wrap;gap:9px}
.sv{padding:6px 14px;border-radius:99px;background:var(--teal-100);color:var(--teal-700);font-size:13px}
.tagchip{padding:4px 12px;border-radius:99px;background:#fff;border:1px solid var(--line);color:var(--ink-3);font-size:12px}

/* ---- 右侧：评分面板 ---- */
.rate-panel .rb-top{display:flex;align-items:center;gap:18px;padding:6px 2px 16px}
.rb-score b{font-size:42px;font-weight:800;color:var(--ink);line-height:1}
.rb-score em{font-size:14px;color:var(--ink-3);margin-left:3px}
.rb-info{display:grid;gap:4px}
.rb-info .stars{transform:scale(1.6);transform-origin:left center}
.rb-info span{font-size:12.5px;color:var(--ink-3)}
.rate-panel .rb-title{font-size:13px;font-weight:600;color:var(--ink-2);border-top:1px dashed var(--line);padding-top:14px;margin-bottom:10px}
.stars-pick{display:flex;gap:6px;cursor:pointer;user-select:none}
.stars-pick span{font-size:34px;line-height:1;color:#DDE6E4;transition:color .12s,transform .12s}
.stars-pick span:hover{color:var(--amber-500);transform:scale(1.12)}
.stars-pick span.on{color:var(--amber-500)}
.rb-tip{font-size:12px;color:var(--ink-3);margin-top:10px;line-height:1.7}
.rb-done{font-size:13px;color:#1D9E5F;font-weight:600;margin-top:8px;background:#EEF8F2;border-radius:8px;padding:8px 12px}
.contact-panel .ct-row{display:flex;gap:8px;font-size:13px;color:var(--ink-2);margin:6px 0;align-items:flex-start}
.contact-panel .ct-row:first-of-type{margin-top:2px}
.badges{display:flex;gap:8px;flex-wrap:wrap}
.badge{padding:5px 12px;border-radius:99px;font-size:12px;background:var(--teal-100);color:var(--teal-700)}
.badge.vd{background:#EEF8F2;color:#1D9E5F}
.badge.gold{background:linear-gradient(135deg,var(--amber-500),#F6B53C);color:#3A2A00;font-weight:600}

/* ============ 分页 ============ */
.pager{display:flex;gap:8px;justify-content:center;align-items:center;padding:28px 0 10px;flex-wrap:wrap}
.pg{padding:7px 14px;border-radius:9px;border:1px solid var(--line);background:var(--card);font-size:13px;color:var(--ink-2)}
a.pg:hover{border-color:var(--teal-500);color:var(--teal-700)}
.pg.on{background:var(--teal-600);border-color:var(--teal-600);color:#fff}
.pg.off{opacity:.55;cursor:not-allowed}
.pg.total{border:none;background:transparent;color:var(--ink-3)}

/* ============ 页脚 ============ */
footer{margin-top:56px;background:var(--teal-900);color:rgba(255,255,255,.6);padding:34px 24px;font-size:13px}
.foot-inner{max-width:1200px;margin:0 auto;display:flex;gap:46px;flex-wrap:wrap}
.foot-inner b{color:#fff;display:block;margin-bottom:8px;font-size:14px}
.foot-inner a{display:block;margin-top:5px;color:rgba(255,255,255,.6)}
.foot-inner a:hover{color:var(--amber-500)}
.copy{max-width:1200px;margin:20px auto 0;padding-top:16px;border-top:1px solid rgba(255,255,255,.12);display:flex;justify-content:space-between;flex-wrap:wrap;gap:6px;font-size:12px}

/* =========================================================
   后台样式
   ========================================================= */
.adm-body{background:var(--bg)}
.adm-logo{width:32px;height:32px;border-radius:9px;background:linear-gradient(135deg,var(--amber-500),#F6B53C);color:#3A2A00;display:inline-flex;align-items:center;justify-content:center;font-weight:800;font-size:15px}
.adm-top{position:sticky;top:0;z-index:50;background:var(--teal-900);color:#fff}
.adm-top-in{max-width:1240px;margin:0 auto;padding:0 20px;height:58px;display:flex;align-items:center;gap:26px}
.adm-brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:16px;color:#fff;white-space:nowrap}
.adm-brand span{width:30px;height:30px;border-radius:8px;background:linear-gradient(135deg,var(--amber-500),#F6B53C);color:#3A2A00;display:inline-flex;align-items:center;justify-content:center;font-weight:800;font-size:14px}
.adm-nav{display:flex;gap:20px;font-size:14px;color:rgba(255,255,255,.72)}
.adm-nav a{padding:4px 0;position:relative}
.adm-nav a:hover{color:#fff}
.adm-nav a.on{color:#fff;font-weight:600}
.adm-nav a.on::after{content:"";position:absolute;left:0;right:0;bottom:-3px;height:3px;border-radius:3px;background:var(--amber-500)}
.adm-user{margin-left:auto;display:flex;align-items:center;gap:12px;font-size:13px;color:rgba(255,255,255,.85);white-space:nowrap}
.adm-user .btn{color:#fff;border-color:rgba(255,255,255,.4);padding:4px 14px;font-size:13px}
.adm-wrap{max-width:1240px;margin:0 auto;padding:24px 20px 60px}

.alert{border-radius:10px;padding:11px 16px;font-size:14px;margin-bottom:16px}
.alert-ok{background:#EEF8F2;border:1px solid #C9E8D5;color:#1D9E5F}
.alert-err{background:#FBEFED;border:1px solid #F0D2CC;color:var(--danger)}

.adm-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:18px}
.adm-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px}
.adm-card b{font-size:30px;color:var(--teal-600);display:block;font-weight:800}
.adm-card span{font-size:13px;color:var(--ink-3)}
.adm-card em{display:block;font-size:12px;color:var(--ink-3);margin-top:4px;font-style:normal}
.adm-card a{color:var(--teal-600)}

.adm-cols{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:18px;align-items:start}
.adm-box{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;margin-bottom:16px}
.adm-box-head{display:flex;align-items:center;gap:12px;padding:14px 18px;border-bottom:1px solid var(--line)}
.adm-box-head h3{font-size:15px;color:var(--teal-700)}
.adm-box-head a{margin-left:auto;font-size:13px;color:var(--teal-600)}

.adm-table{width:100%;border-collapse:collapse;font-size:13px}
.adm-table th{background:var(--teal-50);color:var(--teal-700);text-align:left;padding:10px 12px;font-weight:600;border-bottom:1px solid var(--line);white-space:nowrap}
.adm-table td{padding:9px 12px;border-bottom:1px solid var(--line);color:var(--ink-2);vertical-align:middle}
.adm-table tr:hover td{background:#FCFEFD}
.adm-table td.t{font-weight:600;color:var(--ink)}
.adm-table td.t a:hover{color:var(--teal-600);text-decoration:underline}
.adm-table tr.cat-top td{background:var(--teal-50);border-top:2px solid var(--line)}
.adm-table .st-on{color:#1D9E5F;font-weight:600}
.adm-table .st-off{color:#C0503A}
.adm-table .acts{white-space:nowrap}
.adm-table form{vertical-align:middle}
.mini-star{color:var(--amber-500);letter-spacing:2px;font-size:14px;margin-right:4px}

.adm-bar{display:flex;align-items:center;gap:12px;margin-bottom:16px;flex-wrap:wrap;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:12px 16px}
.adm-filters{display:flex;gap:8px;flex-wrap:wrap;align-items:center;flex:1}

/* 表单控件 */
.ipt{width:100%;padding:9px 12px;border:1px solid var(--line);border-radius:9px;font-size:14px;font-family:inherit;background:#fff;color:var(--ink);outline:none;transition:border-color .15s}
.ipt:focus{border-color:var(--teal-500);box-shadow:0 0 0 3px rgba(26,138,135,.12)}
.ipt.sm{width:150px;padding:6px 10px;font-size:13px}
select.ipt{cursor:pointer}
.lab{display:block;font-size:13px;color:var(--ink-2);margin:12px 0 5px}
.lab i{color:var(--amber-600)}
.chk{display:flex;align-items:center;gap:7px;font-size:13px;color:var(--ink-2);margin-top:6px;cursor:pointer}
.chk input{accent-color:var(--teal-600);width:15px;height:15px}
.form-box{padding-bottom:8px}
.form-box form{padding:18px}
.frm-grid{display:grid;grid-template-columns:1fr 1fr;gap:6px 18px}
.frm-item{margin-bottom:12px}
.frm-item.full{grid-column:1/-1}
.frm-item label{display:block;font-size:13px;color:var(--ink-2);margin-bottom:5px}
.frm-item label i{color:var(--amber-600)}
.frm-item textarea{resize:vertical;min-height:90px}
.frm-actions{display:flex;gap:10px;padding-top:6px;border-top:1px dashed var(--line)}
.adm-bar .btn,.adm-filters .btn{padding:7px 16px}

/* 登录页 */
.login-body{background:linear-gradient(160deg,#0B4A4C,#12706F);min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px}
.login-wrap{width:100%;max-width:420px}
.login-card{background:#fff;border-radius:18px;padding:34px 34px 26px;box-shadow:0 20px 50px rgba(4,36,37,.35)}
.login-head{text-align:center;margin-bottom:20px}
.login-head .adm-logo{width:54px;height:54px;border-radius:16px;font-size:24px;margin-bottom:12px}
.login-head h1{font-size:21px;color:var(--ink)}
.login-head p{font-size:13px;color:var(--ink-3);margin-top:4px}
.login-card form label{display:block;font-size:13px;color:var(--ink-2);margin:12px 0 5px}
.login-tip{margin-top:16px;font-size:12px;color:var(--ink-3);line-height:1.8;border-top:1px dashed var(--line);padding-top:12px}
.login-tip a{color:var(--teal-600)}
.login-tip a:hover{text-decoration:underline}

/* ============ 响应式 ============ */
@media(max-width:960px){
  .cats,.cats-4{grid-template-columns:repeat(3,1fr)}
  .biz-grid{grid-template-columns:1fr 1fr}
  .detail-wrap{grid-template-columns:1fr}
  .detail-side{position:static}
  .stats-card{grid-template-columns:repeat(2,1fr)}
  .adm-cards{grid-template-columns:repeat(2,1fr)}
  .adm-cols{grid-template-columns:1fr}
  .frm-grid{grid-template-columns:1fr}
  .nav-links{display:none}
}
@media(max-width:600px){
  .biz-grid,.cats-4{grid-template-columns:1fr}
  .cats{grid-template-columns:repeat(2,1fr)}
  .hero h1{font-size:27px}
  .search-box{flex-wrap:wrap}
  .search-box select{max-width:none;width:100%;border-right:none;border-bottom:1px solid var(--line)}
  .adm-cards{grid-template-columns:1fr 1fr}
  .adm-top-in{gap:12px}
  .adm-nav{gap:12px;font-size:13px}
}