/* ============================================================
   好云无人机交互中心 · 共享设计规范 (白色科技风)
   所有 DEMO 页面统一引用：背景白、登录入口一致、链接可交互
   ============================================================ */
:root{
  --bg:#ffffff;
  --bg-soft:#f5f8fc;
  --bg-sunken:#eef3f9;
  --primary:#0a84ff;
  --primary-d:#0066d6;
  --primary-soft:#e8f2ff;
  --accent:#00c2d1;
  --accent-soft:#e2f8fb;
  --ink:#16202e;
  --ink-2:#56627a;
  --ink-3:#8a96ab;
  --line:#e7edf5;
  --line-2:#d7e0ed;
  --ok:#10b981;
  --ok-soft:#e4f8f0;
  --warn:#f5a623;
  --warn-soft:#fdf2dd;
  --danger:#ff5468;
  --danger-soft:#ffe9ec;
  --radius:14px;
  --radius-s:10px;
  --shadow:0 8px 30px rgba(20,40,80,.10);
  --shadow-s:0 2px 10px rgba(20,40,80,.06);
  --maxw:1200px;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"PingFang SC","Microsoft YaHei",sans-serif;
  background:var(--bg);color:var(--ink);line-height:1.65;font-size:14px;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button{font-family:inherit;cursor:pointer;border:none;background:none}
ul{list-style:none}

/* ---------- 布局容器 ---------- */
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.section{padding:56px 0}
.section-title{font-size:24px;font-weight:700;letter-spacing:.5px}
.section-sub{color:var(--ink-2);margin-top:8px;font-size:14px}
.section-head{margin-bottom:28px;display:flex;align-items:flex-end;justify-content:space-between;flex-wrap:wrap;gap:12px}

/* ---------- 顶部导航 (PC) ---------- */
.navbar{
  position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);
  backdrop-filter:saturate(180%) blur(10px);
  border-bottom:1px solid var(--line);
}
.navbar .inner{max-width:var(--maxw);margin:0 auto;padding:0 24px;height:64px;display:flex;align-items:center;gap:28px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:18px;letter-spacing:.3px}
.brand .logo{width:30px;height:30px;flex:none}
.brand .logo circle,.brand .logo path{stroke:var(--primary)}
.nav-links{display:flex;gap:6px;flex:1;min-width:0}
.nav-links a{
  padding:8px 12px;border-radius:10px;color:var(--ink-2);font-weight:500;font-size:14px;transition:.18s;white-space:nowrap;flex-shrink:0;
}
.nav-links a:hover{background:var(--primary-soft);color:var(--primary-d)}
.nav-links a.active{background:var(--primary-soft);color:var(--primary-d);font-weight:700}
.nav-actions{display:flex;align-items:center;gap:8px;flex-shrink:0}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:9px 18px;border-radius:10px;font-weight:600;font-size:14px;transition:.18s;white-space:nowrap;
}
.btn-primary{background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;box-shadow:0 6px 16px rgba(10,132,255,.30)}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 10px 22px rgba(10,132,255,.38)}
.btn-ghost{background:#fff;color:var(--primary-d);border:1px solid var(--line-2)}
.btn-ghost:hover{border-color:var(--primary);background:var(--primary-soft)}
.btn-sm{padding:6px 12px;font-size:13px;border-radius:8px}
.btn-block{width:100%}
.btn[disabled]{opacity:.5;cursor:not-allowed}

/* ---------- 卡片 ---------- */
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-s);transition:.2s}
.card:hover{box-shadow:var(--shadow);transform:translateY(-2px)}
.grid{display:grid;gap:18px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
@media(max-width:900px){.grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}.grid-2{grid-template-columns:1fr}}

/* ---------- 标签 / 徽标 ---------- */
.tag{display:inline-flex;align-items:center;padding:2px 10px;border-radius:999px;font-size:12px;font-weight:600;line-height:1.8}
.tag-platform{background:var(--primary-soft);color:var(--primary-d)}
.tag-merchant{background:var(--accent-soft);color:#0a8c97}
.tag-ok{background:var(--ok-soft);color:var(--ok)}
.tag-warn{background:var(--warn-soft);color:#b9790a}
.tag-danger{background:var(--danger-soft);color:var(--danger)}
.tag-gray{background:var(--bg-sunken);color:var(--ink-2)}
.pill{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:999px;background:var(--bg-soft);color:var(--ink-2);font-size:13px;font-weight:500}

/* ---------- 数据指标 ---------- */
.stat{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px 22px;box-shadow:var(--shadow-s)}
.stat .label{color:var(--ink-3);font-size:13px}
.stat .value{font-size:28px;font-weight:800;margin-top:6px;letter-spacing:.5px}
.stat .delta{font-size:12px;margin-top:4px}
.stat .delta.up{color:var(--ok)}
.stat .delta.down{color:var(--danger)}

/* ---------- 表格 ---------- */
.table{width:100%;border-collapse:collapse;font-size:13.5px;background:#fff;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line)}
.table th{text-align:left;padding:13px 16px;background:var(--bg-soft);color:var(--ink-2);font-weight:700;border-bottom:1px solid var(--line);white-space:nowrap}
.table td{padding:13px 16px;border-bottom:1px solid var(--line);vertical-align:middle}
.table tr:last-child td{border-bottom:none}
.table tbody tr:hover{background:var(--bg-soft)}
.table .row-actions{display:flex;gap:8px;flex-wrap:wrap}

/* ---------- 表单 ---------- */
.field{margin-bottom:16px}
.field label{display:block;font-size:13px;font-weight:600;color:var(--ink-2);margin-bottom:6px}
.input,.select,.textarea{
  width:100%;padding:10px 12px;border:1px solid var(--line-2);border-radius:10px;font-size:14px;background:#fff;color:var(--ink);transition:.15s;
}
.input:focus,.select:focus,.textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-soft)}
.textarea{min-height:90px;resize:vertical}

/* ============================================================
   登录入口（全站统一样式）
   ============================================================ */
.login-trigger{cursor:pointer}
.login-modal{
  position:fixed;inset:0;z-index:200;display:none;align-items:center;justify-content:center;
  background:rgba(16,32,46,.45);backdrop-filter:blur(4px);
}
.login-modal.open{display:flex}
.login-card{
  width:380px;max-width:92vw;background:#fff;border-radius:18px;padding:30px 28px;box-shadow:var(--shadow);
  position:relative;animation:pop .22s ease;
}
@keyframes pop{from{transform:translateY(14px) scale(.97);opacity:0}to{transform:none;opacity:1}}
.login-card .close{position:absolute;top:16px;right:18px;font-size:22px;color:var(--ink-3);cursor:pointer;line-height:1}
.login-card .brand{justify-content:center;margin-bottom:6px}
.login-card h3{text-align:center;font-size:19px;margin-bottom:4px}
.login-card .hint{text-align:center;color:var(--ink-3);font-size:13px;margin-bottom:20px}
.login-tabs{display:flex;gap:8px;margin-bottom:18px;background:var(--bg-soft);padding:4px;border-radius:12px}
.login-tabs button{flex:1;padding:9px;border-radius:9px;font-weight:600;color:var(--ink-2);background:transparent;transition:.15s}
.login-tabs button.active{background:#fff;color:var(--primary-d);box-shadow:var(--shadow-s)}
.login-sms-row{display:flex;gap:8px}
.login-sms-row .input{flex:1}
.login-sms-row .btn{flex:none;white-space:nowrap}
.login-wechat{margin-top:14px;text-align:center}
.login-wechat .wx-btn{display:flex;align-items:center;justify-content:center;gap:8px;width:100%;padding:11px;border:1px solid var(--line-2);border-radius:10px;color:#07c160;font-weight:600;background:#fff}
.login-wechat .wx-btn:hover{background:#f3fbf5}
.login-foot{margin-top:16px;font-size:12px;color:var(--ink-3);text-align:center}
.login-foot a{color:var(--primary)}

/* ============================================================
   后台框架 (侧栏 + 顶栏 + 内容)
   ============================================================ */
.admin{display:flex;min-height:100vh;background:var(--bg-soft)}
.sidebar{width:232px;flex:none;background:#fff;border-right:1px solid var(--line);display:flex;flex-direction:column;position:sticky;top:0;height:100vh;overflow:hidden}
.sidebar .s-brand{padding:18px 20px;display:flex;align-items:center;gap:10px;font-weight:800;border-bottom:1px solid var(--line)}
.sidebar .s-brand .badge{margin-left:auto;font-size:11px;padding:2px 8px;border-radius:999px;background:var(--primary-soft);color:var(--primary-d);font-weight:700}
.sidebar .s-user{padding:14px 20px;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:10px}
.sidebar .s-user .avatar{width:36px;height:36px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;flex:none}
.sidebar .s-user .meta{line-height:1.35}
.sidebar .s-user .meta .nm{font-weight:700;font-size:13.5px}
.sidebar .s-user .meta .rl{color:var(--ink-3);font-size:12px}
.s-menu{overflow-y:auto;padding:10px 12px;flex:1}
.s-menu .group-title{font-size:11px;font-weight:700;color:var(--ink-3);letter-spacing:1px;padding:12px 10px 6px}
.s-menu a{
  display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:9px;color:var(--ink-2);font-size:13.5px;font-weight:500;margin-bottom:2px;transition:.15s;
}
.s-menu a .ico{width:16px;height:16px;flex:none;opacity:.8}
.s-menu a:hover{background:var(--bg-soft);color:var(--ink)}
.s-menu a.active{background:var(--primary-soft);color:var(--primary-d);font-weight:700}
.s-menu a .caret{margin-left:auto;transition:.2s;opacity:.6}
.s-menu a.collapsed .caret{transform:rotate(-90deg)}
.s-sub{padding-left:30px;display:none}
.s-sub.open{display:block}
.s-sub a{font-size:13px;padding:7px 12px}

.admin-main{flex:1;display:flex;flex-direction:column;min-width:0}
.topbar{height:60px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:16px;padding:0 24px;position:sticky;top:0;z-index:20}
.topbar .page-title{font-weight:700;font-size:16px}
.topbar .spacer{flex:1}
.topbar .t-link{color:var(--ink-2);font-size:13px;cursor:pointer}
.topbar .t-link:hover{color:var(--primary)}
.topbar .avatar{width:34px;height:34px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;cursor:pointer}
.content{padding:24px;flex:1}
.page-section{display:none}
.page-section.active{display:block;animation:fade .2s ease}
@keyframes fade{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
.breadcrumb{color:var(--ink-3);font-size:13px;margin-bottom:16px}
.breadcrumb b{color:var(--ink)}

/* 工具条 */
.toolbar{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:16px}
.toolbar .spacer{flex:1}
.toolbar .input{width:auto;min-width:200px}
.toolbar .select{width:auto}

/* ============================================================
   小程序手机框
   ============================================================ */
.phone-wrap{display:flex;justify-content:center;padding:30px 0}
.phone{
  width:390px;height:780px;background:#fff;border-radius:42px;border:10px solid #1b2330;
  box-shadow:0 30px 60px rgba(20,40,80,.25);position:relative;overflow:hidden;display:flex;flex-direction:column;
}
.phone .notch{position:absolute;top:0;left:50%;transform:translateX(-50%);width:150px;height:26px;background:#1b2330;border-radius:0 0 16px 16px;z-index:5}
.phone-screen{flex:1;overflow-y:auto;background:var(--bg-soft);display:flex;flex-direction:column}
.mp-statusbar{height:34px;display:flex;align-items:center;justify-content:space-between;padding:0 18px;font-size:12px;font-weight:600;color:var(--ink);background:#fff}
.mp-header{padding:14px 16px;background:#fff;border-bottom:1px solid var(--line);font-weight:800;font-size:16px;display:flex;align-items:center;justify-content:space-between}
.mp-body{flex:1;overflow-y:auto;padding:14px;background:var(--bg-soft)}
.mp-tabbar{height:58px;background:#fff;border-top:1px solid var(--line);display:flex;align-items:stretch}
.mp-tabbar a{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;color:var(--ink-3);font-size:11px;font-weight:600}
.mp-tabbar a.active{color:var(--primary)}
.mp-tabbar a .ti{width:22px;height:22px}
.mp-card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px;margin-bottom:12px;box-shadow:var(--shadow-s)}
.mp-row{display:flex;align-items:center;gap:12px}
.mp-thumb{width:64px;height:64px;border-radius:10px;flex:none;background:linear-gradient(135deg,var(--primary-soft),var(--accent-soft));display:flex;align-items:center;justify-content:center}
.mp-thumb svg{width:30px;height:30px}

/* ============================================================
   杂项
   ============================================================ */
.hero{padding:72px 0 56px;background:
  radial-gradient(1100px 420px at 80% -10%,rgba(0,194,209,.10),transparent 60%),
  radial-gradient(900px 380px at 10% 0%,rgba(10,132,255,.12),transparent 60%),
  var(--bg);position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:46px 46px;opacity:.5;mask-image:radial-gradient(circle at 50% 30%,#000,transparent 75%)}
.hero .inner{position:relative;max-width:var(--maxw);margin:0 auto;padding:0 24px;display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center}
.hero h1{font-size:40px;line-height:1.25;font-weight:800;letter-spacing:.5px}
.hero h1 .grad{background:linear-gradient(135deg,var(--primary),var(--accent));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p{color:var(--ink-2);font-size:16px;margin:18px 0 26px;max-width:520px}
.hero .cta{display:flex;gap:12px;flex-wrap:wrap}
.hero-art{position:relative;height:320px}
.hero-art svg{width:100%;height:100%}
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:40px}
@media(max-width:900px){.hero .inner{grid-template-columns:1fr}.metrics{grid-template-columns:repeat(2,1fr)}}

.feature{padding:26px;border-radius:var(--radius);border:1px solid var(--line);background:#fff;box-shadow:var(--shadow-s);transition:.2s}
.feature:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.feature .ic{width:46px;height:46px;border-radius:12px;background:var(--primary-soft);display:flex;align-items:center;justify-content:center;margin-bottom:14px}
.feature h4{font-size:16px;margin-bottom:6px}
.feature p{color:var(--ink-2);font-size:13.5px}

.footer{background:#fff;border-top:1px solid var(--line);padding:40px 0 24px;margin-top:40px}
.footer .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:30px;margin-bottom:28px}
.footer h5{font-size:14px;margin-bottom:14px}
.footer a{display:block;color:var(--ink-2);font-size:13px;margin-bottom:8px}
.footer a:hover{color:var(--primary)}
.footer .copy{border-top:1px solid var(--line);padding-top:18px;color:var(--ink-3);font-size:12.5px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}
.footer .beian a{color:var(--ink-3)}

/* toast */
.toast{position:fixed;left:50%;bottom:38px;transform:translateX(-50%) translateY(20px);background:#16202e;color:#fff;padding:11px 20px;border-radius:10px;font-size:13.5px;opacity:0;pointer-events:none;transition:.25s;z-index:300;box-shadow:var(--shadow)}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

/* ---------- 认证标识 / 评分 ---------- */
.cert-badge{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;background:rgba(52,199,89,.12);color:#1a8f3c;font-weight:700;font-size:13px;border:1px solid rgba(52,199,89,.35)}
.cert-badge.gray{background:var(--bg-soft);color:var(--ink-3);border-color:var(--line)}
.rate-item{border:1px solid var(--line);border-radius:var(--radius);padding:14px 16px;background:#fff}
.rate-row{display:flex;justify-content:space-between;align-items:center;padding:5px 0;font-size:13px;color:var(--ink-2)}
.rate-row .stars{color:#ff9f0a;letter-spacing:1px;font-size:13px}
.rate-row.dim{color:var(--ink-3);font-size:12px}
.stars{color:#ff9f0a;letter-spacing:1px}
.rate-pill{display:inline-block;padding:2px 8px;border-radius:6px;background:var(--primary-soft);color:var(--primary-d);font-size:11px;margin-right:4px}


/* 通用工具 */
.muted{color:var(--ink-3)}
.center{text-align:center}
.mt8{margin-top:8px}.mt16{margin-top:16px}.mt24{margin-top:24px}
.flex{display:flex}.between{justify-content:space-between}.items-center{align-items:center}.gap8{gap:8px}.gap12{gap:12px}.gap16{gap:16px}
.wrap{display:flex;flex-wrap:wrap}
.price{color:var(--danger);font-weight:800}
.price .cur{font-size:13px}
.nowrap{white-space:nowrap}
.empty{padding:50px;text-align:center;color:var(--ink-3)}
.divider{height:1px;background:var(--line);margin:18px 0}
.avatar-sm{width:30px;height:30px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:12px;flex:none}