/* ============================================================
   智慧文旅一体化平台 · 山海主题设计系统
   品牌：威思特科技  ·  设计宪法：.impeccable.md
   配色：山青（生态/山/海港）+ 暖橙（朝阳/海岸阳光）+ 米黄宣纸
   ============================================================ */

:root{
  /* 主色：黛青（青金 · 黛青＋流金） */
  --primary:#0f5a63;            /* 黛青主 */
  --primary-2:#0a3f47;          /* 深黛青 */
  --primary-3:#1f8a7a;          /* 浅黛青（hover / 选中） */
  --teal:#1f8a7a;               /* 青绿辅 */
  /* 强调色：流金（朝阳 / 海岸阳光） */
  --orange:#c9a227;             /* 流金主 */
  --sun:#d9b94a;                /* 流金副（朝阳） */
  /* 文字与背景 */
  --ink:#16201f;                /* 墨黑（近黑不纯黑） */
  --ink-2:#4a5a58;              /* 灰墨 */
  --ink-3:#8a9794;              /* 浅灰 */
  --line:#e2e6e4;               /* 米色边线 */
  --line-2:#f1f4f3;             /* 浅米色 */
  --bg:#eef1f0;                 /* 米黄 / 宣纸底色 */
  --bg-2:#f7f5ee;               /* 浅宣纸 */
  --card:#ffffff;
  /* 侧栏（深黛青） */
  --side:#0a3f47;
  --side-2:#0f5a63;
  --side-text:#b9c9c4;
  --side-text-2:#8a9a95;
  /* 状态色 */
  --ok:#21a366;
  --warn:#e6a23c;
  --danger:#d9534f;
  /* 阴影 / 圆角 */
  --shadow:0 2px 14px rgba(10,63,71,.08);
  --shadow-md:0 6px 22px rgba(10,63,71,.10);
  --shadow-lg:0 18px 48px rgba(10,63,71,.14);
  --radius:12px;
  --radius-lg:18px;
  --radius-xl:24px;
  /* 字体栈（系统字体优先，思源黑体兜底；E5 阶段可本地化 woff2） */
  --font-sans:"Source Han Sans SC","Noto Sans SC","PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,sans-serif;
  --font-display:"Source Han Sans SC","Noto Sans SC","PingFang SC","Microsoft YaHei",serif;
  /* 渐变 */
  --grad-mountain:linear-gradient(180deg,#0a3f47 0%,#0f5a63 45%,#1f8a7a 100%);
  --grad-sunrise:linear-gradient(135deg,#1f8a7a 0%,#c9a227 50%,#e8d9a0 100%);
  --grad-paper:linear-gradient(180deg,#f7f5ee 0%,#eef1f0 100%);
}

*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{font-family:var(--font-sans);color:var(--ink);background:var(--bg);font-size:15.5px;line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}
.hidden{display:none!important}
button{font-family:inherit;cursor:pointer}
input,select{font-family:inherit;font-size:15.5px;outline:none}

/* ============================================================
   登录页 · 山海主题 hero（左侧品牌 / 右侧表单）
   ============================================================ */
.login-wrap{position:fixed;inset:0;display:grid;grid-template-columns:1.1fr 1fr;background:var(--bg-2);overflow:hidden}

/* 左侧：品牌 hero 区（深青绿 + 山脊水墨渐变） */
.login-hero{
  position:relative;
  background:var(--grad-mountain);
  color:#fff;
  display:flex;flex-direction:column;justify-content:space-between;
  padding:150px 64px 54px;
  overflow:hidden;
}
.login-hero::before{
  /* 山脊层叠 SVG 模拟水墨山影 */
  content:"";
  position:absolute;inset:0;
  background:
    radial-gradient(ellipse 80% 50% at 20% 100%, rgba(0,0,0,.35),transparent 60%),
    radial-gradient(ellipse 60% 40% at 80% 100%, rgba(0,0,0,.25),transparent 60%);
  pointer-events:none;
}
.login-hero::after{
  /* 顶部暖橙光晕（朝阳初升） */
  content:"";
  position:absolute;top:-30%;right:-20%;width:60%;height:60%;
  background:radial-gradient(circle,rgba(217,185,74,.45),transparent 65%);
  pointer-events:none;
}
.login-hero-top{display:flex;align-items:center;gap:14px;position:relative;z-index:2;margin-left:248px}
.login-hero-eyebrow{font-size:13px;letter-spacing:4px;color:rgba(255,255,255,.72);font-weight:600}
.login-hero-logo{width:128px;height:128px;border-radius:24px;background:transparent;display:flex;align-items:center;justify-content:center;box-shadow:none;overflow:hidden}
.login-hero-logo img{width:100%;height:100%;object-fit:contain;padding:0}
.login-hero-brand{font-family:var(--font-display);font-size:30px;font-weight:700;letter-spacing:2.5px}
.login-hero-brand small{display:block;font-size:13px;font-weight:500;color:rgba(255,255,255,.72);letter-spacing:5px;margin-top:6px}

.login-hero-mid{position:relative;z-index:2;max-width:560px}
.login-hero-title{font-family:var(--font-display);font-size:54px;font-weight:700;line-height:1.22;letter-spacing:3px;text-shadow:0 2px 14px rgba(0,0,0,.35);white-space:nowrap}
.login-hero-title em{font-style:normal;color:var(--sun);white-space:nowrap}
.login-hero-slogan{margin-top:22px;font-size:18px;line-height:2;color:rgba(255,255,255,.9);letter-spacing:1.5px;font-weight:600}
.login-hero-promo{margin-top:30px;max-width:600px;display:flex;flex-direction:column;gap:13px}
.login-hero-promo p{margin:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.promo-lead{font-size:19px;font-weight:700;color:#fff;letter-spacing:1px}
.promo-line{font-size:15px;line-height:1.6;color:rgba(255,255,255,.8);letter-spacing:.5px;border-left:3px solid var(--sun);padding-left:14px}
.login-hero-features{display:flex;flex-wrap:wrap;gap:11px;margin-top:30px}
.login-hero-feat{font-size:13.5px;padding:7px 17px;border:1px solid rgba(255,255,255,.28);border-radius:22px;color:rgba(255,255,255,.9);backdrop-filter:blur(6px)}

.login-hero-foot{position:relative;z-index:2;font-size:12px;color:rgba(255,255,255,.55);letter-spacing:1px}

/* 山脊剪影（CSS 三层堆叠） */
.login-mountain{position:absolute;left:0;right:0;bottom:0;height:42%;z-index:1;pointer-events:none}
.login-mountain svg{position:absolute;bottom:0;left:0;width:100%;height:100%;display:block}

/* 右侧：登录卡 */
.login-side{position:relative;display:flex;align-items:center;justify-content:center;padding:40px;background:var(--bg-2)}
.login-card-wrap{width:100%;max-width:720px;position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center}
.login-card{width:100%;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-xl);padding:64px 62px;box-shadow:var(--shadow-lg);position:relative}
/* 整页左上角品牌 logo（钉在登录页左上角，240px，不撑大区域） */
.login-card-brand-corner{position:absolute;top:36px;left:48px;z-index:20}
.login-card-brand-logo{width:240px;height:auto;object-fit:contain;display:block}
.login-card::before{content:"";position:absolute;left:0;top:38px;bottom:38px;width:5px;background:var(--grad-sunrise);border-radius:0 5px 5px 0}
.login-card-head{margin-bottom:34px}
.login-card-eyebrow{font-size:13px;color:var(--orange);letter-spacing:5px;text-transform:uppercase;font-weight:700}
.login-card-title{font-family:var(--font-display);font-size:42px;font-weight:700;color:var(--ink);margin-top:10px;letter-spacing:1px}
.login-card-sub{font-size:16px;color:var(--ink-2);margin-top:8px}

.login-form label{display:block;font-size:15px;color:var(--ink-2);margin:26px 0 9px;font-weight:600;letter-spacing:1.5px}
.login-form select,.login-form input{width:100%;padding:18px 18px;border:1.5px solid var(--line);border-radius:10px;background:var(--bg-2);color:var(--ink);font-size:17px;transition:all .2s ease}
.login-form select:focus,.login-form input:focus{border-color:var(--primary);background:#fff;box-shadow:0 0 0 3px rgba(15,90,99,.14)}
.btn-primary{width:100%;margin-top:28px;padding:16px;border:none;border-radius:10px;color:#fff;font-weight:700;font-size:16px;letter-spacing:3px;background:var(--grad-mountain);transition:all .25s ease;box-shadow:0 4px 14px rgba(10,63,71,.32)}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 6px 20px rgba(10,63,71,.42);filter:brightness(1.08)}
.btn-primary:active{transform:translateY(0)}
.login-err{color:var(--danger);font-size:13px;margin-top:10px;min-height:16px}
.login-tip{margin-top:22px;font-size:12.5px;color:var(--ink-3);text-align:center;line-height:1.8}

/* 响应式：大屏（≥1600）加大留白与字号，低分辨率（1366/1024）收紧 */
@media (min-width:1600px){
  .login-hero{padding:72px 96px}
  .login-hero-title{font-size:64px}
  .login-hero-promo{font-size:17px}
  .login-card{padding:72px 72px}
  .login-card-title{font-size:46px}
}
@media (max-width:1366px){
  .login-wrap{grid-template-columns:1fr 1fr}
  .login-hero{padding:44px 48px}
  .login-hero-title{font-size:46px}
  .login-hero-promo{font-size:14.5px;margin-top:22px}
  .login-side{padding:28px}
  .login-card{max-width:560px;padding:52px 48px}
  .login-card-title{font-size:38px}
  .login-side-logo{width:54px;height:54px}
}
@media (max-width:1100px){
  .login-hero-promo{display:none}
  .login-hero-title{font-size:40px}
}
/* 响应式：小屏单列 */
@media (max-width:900px){
  .login-wrap{grid-template-columns:1fr;grid-template-rows:auto 1fr}
  .login-hero{padding:32px 28px}
  .login-hero-title{font-size:30px}
  .login-hero-slogan{font-size:16px}
  .login-side{align-items:center;padding:24px}
  .login-side-head{position:static;margin-bottom:22px;justify-content:center}
  .login-side-brand{justify-content:center}
  .login-card{max-width:480px;padding:40px 32px}
  .login-card-wrap{max-width:480px}
  .login-card-title{font-size:32px}
  .login-mountain{height:30%}
}

/* ============================================================
   框架 · sidebar / topbar / main
   ============================================================ */
.app{display:flex;height:100vh}
.sidebar{width:248px;background:var(--grad-mountain);color:var(--side-text);display:flex;flex-direction:column;flex-shrink:0;box-shadow:2px 0 12px rgba(20,42,82,.08)}
.side-logo{display:flex;flex-direction:column;align-items:center;text-align:center;gap:4px;padding:10px 16px;overflow:visible;font-weight:700;color:#fff;font-size:20px;line-height:1.3;border-bottom:1px solid rgba(255,255,255,.08);letter-spacing:2px;white-space:nowrap}
.side-logo .dot{width:10px;height:10px;border-radius:50%;background:var(--sun);box-shadow:0 0 10px var(--sun)}
.side-logo-img{line-height:0;margin:0}
.side-logo img{width:104px;height:104px;object-fit:contain;filter:drop-shadow(0 2px 6px rgba(0,0,0,.3))}
.side-nav{flex:1;overflow-y:auto;padding:10px 0}
.side-nav::-webkit-scrollbar{width:7px}
.side-nav::-webkit-scrollbar-track{background:transparent}
.side-nav::-webkit-scrollbar-thumb{background:rgba(255,255,255,.16);border-radius:8px}
.side-nav::-webkit-scrollbar-thumb:hover{background:rgba(255,255,255,.30)}
.side-nav{scrollbar-width:thin;scrollbar-color:rgba(255,255,255,.16) transparent}
.nav-group{font-size:15px;color:#fff;background:rgba(201,162,39,.20);padding:10px 14px;margin:12px 12px 5px;border-radius:8px;letter-spacing:2px;font-weight:700;border-left:3px solid var(--orange)}
.nav-item{display:flex;align-items:center;gap:11px;padding:12px 22px;color:var(--side-text);cursor:pointer;font-size:16.5px;border-left:3px solid transparent;transition:all .2s ease}
.nav-item:hover{background:rgba(255,255,255,.07);color:#fff}
.nav-item.active{background:linear-gradient(90deg,var(--primary-3),var(--primary));color:#fff;border-left:4px solid var(--orange);font-weight:700;box-shadow:inset 0 0 18px rgba(201,162,39,.18)}
.nav-item.active .ic{opacity:1}
.nav-item .ic{width:20px;text-align:center;opacity:.9;font-size:16px}
/* 侧栏分组折叠 */
.nav-group{cursor:pointer;display:flex;align-items:center;justify-content:space-between;user-select:none}
.nav-group:hover{background:rgba(201,162,39,.28)}
.nav-caret{font-size:12px;color:var(--orange);transition:transform .2s ease;opacity:.9}
.nav-items{overflow:hidden}
.nav-items.collapsed{display:none}
.side-foot{padding:14px 20px;font-size:12.5px;color:#fff;opacity:.92;border-top:1px solid rgba(255,255,255,.10);letter-spacing:1px;font-weight:600}

.main{flex:1;display:flex;flex-direction:column;min-width:0;background:var(--bg)}
.topbar{height:66px;background:rgba(255,255,255,.85);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 24px;flex-shrink:0}
.crumb{font-size:18px;font-weight:600;color:var(--ink);font-family:var(--font-display)}
.top-actions{display:flex;align-items:center;gap:16px}
.clock{font-size:13.5px;color:var(--ink-2);font-family:var(--font-display);padding:6px 14px;border:1px solid var(--line);border-radius:18px;background:var(--bg-2);letter-spacing:.5px;display:inline-flex;align-items:center;gap:7px}
.clock::before{content:"";display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--ok);box-shadow:0 0 6px var(--ok);animation:clkblink 1.4s infinite}
@keyframes clkblink{0%,100%{opacity:1}50%{opacity:.45}}
.search input{width:280px;padding:9px 14px;border:1px solid var(--line);border-radius:22px;background:var(--bg-2);color:var(--ink);transition:all .2s}
.search input:focus{border-color:var(--primary);background:#fff;width:320px;outline:none;box-shadow:0 0 0 3px rgba(15,90,99,.12)}
.bell{position:relative;font-size:18px;cursor:pointer;color:var(--ink-2)}
.badge{position:absolute;top:-6px;right:-8px;background:var(--orange);color:#fff;font-size:10px;border-radius:10px;padding:1px 5px;min-width:16px;text-align:center;font-weight:600}
.user{display:flex;align-items:center;gap:9px;cursor:pointer;font-size:14px;color:var(--ink)}
.user #userName{font-weight:700;font-size:15.5px;color:var(--ink);letter-spacing:.5px}
.avatar{width:36px;height:36px;border-radius:50%;background:var(--grad-sunrise);color:#fff;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;box-shadow:0 2px 8px rgba(31,138,122,.30)}
.view{flex:1;overflow-y:auto;padding:22px;background:var(--grad-paper);min-height:0;display:flex;flex-direction:column}
.view > *:last-child{flex:1 1 auto;min-height:0}
/* 长内容页（如景区资讯导览）整页自然滚动，避免 flex 拉伸导致内容被裁切 */
.page-flow{display:block;flex:1 1 auto;min-height:0;overflow-y:auto;padding-bottom:8px}

/* 移动端菜单开关（仅小屏显示） */
.nav-toggle{display:none;font-size:22px;line-height:1;background:none;border:none;color:var(--ink);cursor:pointer;margin-right:8px;padding:4px 8px;border-radius:8px}
.nav-toggle:hover{background:var(--bg-2)}
.nav-overlay{display:none;position:fixed;inset:0;background:rgba(6,26,23,.45);z-index:150}
body.nav-open .nav-overlay{display:block}

/* ===================== 响应式：平板 / 手机 ===================== */
@media (max-width:1100px){
  .sidebar{width:212px}
  .cols-3{grid-template-columns:repeat(2,1fr)}
  .spot-grid-hero{grid-template-columns:repeat(2,1fr)}
  .kpis{grid-template-columns:repeat(auto-fit,minmax(170px,1fr))}
  .chart{height:360px}
}
@media (max-width:900px){
  .nav-toggle{display:block}
  .app{position:relative}
  .sidebar{position:fixed;top:0;left:0;bottom:0;z-index:200;width:240px;transform:translateX(-100%);transition:transform .26s ease;box-shadow:6px 0 26px rgba(0,0,0,.28)}
  body.nav-open .sidebar{transform:translateX(0)}
  .main{width:100%}
  .topbar{padding:0 14px}
  .search input{width:150px}
  .search input:focus{width:180px}
  .cols-2,.cols-3{grid-template-columns:1fr}
  .spot-grid-hero{grid-template-columns:repeat(2,1fr)}
  .kpis{grid-template-columns:repeat(2,1fr)}
  .view{padding:14px}
  .page-title{font-size:22px}
  body.screen .view{padding:12px}
  .screen-grid[style*="1fr 1fr"]{grid-template-columns:1fr !important}
  .screen-grid[style*="1fr 1fr 1fr"]{grid-template-columns:1fr !important}
  .screen-kpis{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:600px){
  .spot-grid-hero{grid-template-columns:1fr}
  .kpis{grid-template-columns:1fr}
  .top-actions .clock{display:none}
  .search{display:none}
  .top-actions{gap:10px}
  .crumb{font-size:16px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .user #userName{display:none}
  .chart{height:300px}
  .chart-sm{height:280px}
  .data-waterfall .dw-label{display:none}
  .dw-track{padding-left:16px;gap:26px}
  .page-head{flex-direction:column;align-items:flex-start;gap:8px}
  .login-hero-title{font-size:26px}
  .screen-kpis{grid-template-columns:1fr}
  .modal-box{width:94vw;padding:18px}
}

/* ============================================================
   通用组件
   ============================================================ */
.page-head{display:flex;align-items:flex-end;justify-content:space-between;margin-bottom:18px}
.page-title{font-size:25px;font-weight:700;font-family:var(--font-display);color:var(--ink)}
.page-desc{color:var(--ink-2);font-size:14.5px;margin-top:6px}
.row{display:flex;gap:16px;flex-wrap:wrap}
.grid{display:grid;gap:16px}
.kpis{grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}
.cols-2{grid-template-columns:1fr 1fr}
.cols-3{grid-template-columns:repeat(3,1fr)}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px;transition:box-shadow .25s ease}
.card:hover{box-shadow:var(--shadow-md)}
.card h3{font-size:16.5px;font-weight:600;margin-bottom:14px;display:flex;align-items:center;gap:8px;color:var(--ink)}
.card h3 .tag{font-size:11px;font-weight:500;color:var(--ink-2);margin-left:auto;background:var(--bg-2);padding:2px 8px;border-radius:10px}
.kpi{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px 20px;position:relative;overflow:hidden;transition:all .25s ease}
.kpi:hover{transform:translateY(-2px);box-shadow:var(--shadow-md)}
.kpi .label{color:var(--ink-2);font-size:13px;display:flex;align-items:center;gap:6px}
.kpi .val{font-size:32px;font-weight:700;margin-top:8px;font-variant-numeric:tabular-nums;color:var(--ink);font-family:var(--font-display)}
.kpi .val small{font-size:14px;font-weight:500;color:var(--ink-2)}
.kpi .trend{font-size:12px;margin-top:6px}
.kpi .accent{position:absolute;right:-10px;top:-10px;width:60px;height:60px;border-radius:50%;opacity:.10}
.up{color:var(--ok)} .down{color:var(--danger)}
.chart{width:100%;height:420px}
.chart-sm{height:360px}
/* 让含图表的卡片在视口中尽量拉伸，减少"上半页 + 下半空白" */
.view > .grid, .view > .row, .view > .cols-2, .view > .cols-3{gap:18px}
.map{width:100%;height:460px;border-radius:10px;overflow:hidden}
table{width:100%;border-collapse:collapse;font-size:14px}
th,td{padding:10px 12px;text-align:left;border-bottom:1px solid var(--line-2);white-space:nowrap}
th{color:var(--ink-2);font-weight:600;background:var(--bg-2);position:sticky;top:0}
/* 大屏深色主题下表格文字提亮，提升对比度 */
body.screen table{color:#dcebe7}
body.screen th{color:#e8f3ef;background:#0c3a3f;border-bottom:1px solid #15504a}
body.screen td{border-bottom:1px solid #13433a;color:#cfe6e0}
body.screen td.muted{color:#9fb4ad}
/* 大屏告警表头去白底突兀：改用深底 + 流金强调字 */
body.screen .alert-th th{background:#0e4240;color:var(--sun);font-weight:700;letter-spacing:1px;border-bottom:1px solid #1a5a52}
tbody tr:hover{background:var(--bg-2)}
.table-wrap{max-height:520px;overflow:auto;border:1px solid var(--line);border-radius:10px}
/* 对接清单按内容自适应高度，不强制出滚动条（内容少时不留空白滚动条） */
.int-tbl{max-height:none}
.tbl-desc{max-width:340px;white-space:normal;word-break:break-word;line-height:1.5}
.table-wrap::-webkit-scrollbar{width:8px;height:8px}
.table-wrap::-webkit-scrollbar-track{background:var(--bg-2)}
.table-wrap::-webkit-scrollbar-thumb{background:#cfd8d4;border-radius:8px}
.table-wrap::-webkit-scrollbar-thumb:hover{background:#b3c0bb}
.td-wrap{white-space:normal;min-width:180px;max-width:380px;display:inline-block;line-height:1.5;vertical-align:top}
.badge-pill{display:inline-block;padding:3px 10px;border-radius:20px;font-size:12px;font-weight:500}
.p-ok{background:#e6f7ee;color:var(--ok)} .p-warn{background:#fdf3e3;color:var(--warn)}
.p-danger{background:#fdeaec;color:var(--danger)} .p-info{background:#e3f1ed;color:var(--primary)}
.p-gray{background:#eef1f5;color:var(--ink-2)}
.btn{padding:8px 16px;border:1px solid var(--primary);background:var(--primary);color:#fff;border-radius:8px;font-size:13px;transition:all .2s}
.btn:hover{background:var(--primary-2);border-color:var(--primary-2)}
.btn.ghost{background:#fff;color:var(--primary)}
.btn.ghost:hover{background:var(--bg-2);color:var(--primary-2)}
.btn.sm{padding:5px 10px;font-size:12px}
.btn.orange{background:var(--orange);border-color:var(--orange)}
.btn.orange:hover{background:#b08c1f;border-color:#b08c1f}
.muted{color:var(--ink-2)}
.spot-banner{height:120px;border-radius:10px;display:flex;align-items:flex-end;padding:12px;color:#fff;font-weight:600;font-size:16px;text-shadow:0 1px 4px rgba(0,0,0,.4)}
.spot-grid{grid-template-columns:repeat(auto-fill,minmax(220px,1fr))}
.form-row{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-bottom:12px}
.form-row label{font-size:13px;color:var(--ink-2)}
.form-row select,.form-row input{padding:7px 10px;border:1px solid var(--line);border-radius:8px}
.section-divider{margin:18px 0 8px;font-size:13px;font-weight:600;color:var(--ink-2);border-left:3px solid var(--orange);padding-left:10px}
.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);background:var(--ink);color:#fff;padding:10px 18px;border-radius:8px;font-size:13px;opacity:0;transition:.25s;pointer-events:none;z-index:99;box-shadow:var(--shadow-lg)}
.toast.show{opacity:1}
.loading{padding:40px;text-align:center;color:var(--ink-2)}

/* ============================================================
   大屏深色主题（山海主题版）
   ============================================================ */
body.screen{background:#061a17}
body.screen .app{background:#061a17}
body.screen .sidebar{display:none}
body.screen .topbar{background:rgba(8,34,30,.88);backdrop-filter:blur(12px);border-bottom:1px solid #15504a;backdrop-filter:blur(12px)}
body.screen .crumb{color:#fff}
body.screen .view{padding:18px;background:#061f1c;display:block}
body.screen .view > *:last-child{flex:none}
.screen-bar{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;padding:4px 0}
.screen-bar .t{font-size:24px;font-weight:700;color:#fff;letter-spacing:3px;font-family:var(--font-display)}
.screen-bar .t small{font-size:12px;color:var(--sun);font-weight:400;margin-left:12px;letter-spacing:1px}
.screen-card{background:linear-gradient(180deg,#0c3a3f,#082420);border:1px solid #15504a;border-radius:var(--radius);padding:16px;position:relative;overflow:hidden}
.screen-card::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--grad-sunrise)}
.screen-card h3{color:#aebfd6;font-size:14px;font-weight:600;margin-bottom:10px;letter-spacing:1px}
.screen-grid{display:grid;gap:16px}
.exit-screen{color:#cfe6e0;font-size:13px;border:1px solid #1a4a44;background:#0c3a3f;padding:7px 16px;border-radius:8px;cursor:pointer;transition:all .2s}
.exit-screen:hover{background:#15504a;color:#fff}

/* ============================================================
   弹窗 / 模态
   ============================================================ */
.modal-mask{position:fixed;inset:0;background:rgba(20,42,82,.45);display:flex;align-items:center;justify-content:center;z-index:120;backdrop-filter:blur(4px)}
.modal-box{background:var(--card);border-radius:var(--radius-lg);padding:24px;width:480px;max-width:92vw;box-shadow:var(--shadow-lg);position:relative}
.modal-box::before{content:"";position:absolute;left:0;top:24px;bottom:24px;width:4px;background:var(--grad-sunrise);border-radius:0 4px 4px 0}
.modal-box h3{margin-bottom:14px;font-size:18px;font-family:var(--font-display);color:var(--ink)}
.modal-box .row{display:flex;justify-content:space-between;align-items:center;margin:10px 0;font-size:14px}
.modal-box .price{font-size:26px;font-weight:700;color:var(--orange);font-family:var(--font-display)}
.modal-box .btn{width:100%;margin-top:16px}
.hidden{display:none !important}
.qr{width:150px;height:150px;margin:10px auto;background:
  repeating-linear-gradient(0deg,#222 0 6px,#fff 6px 12px),
  repeating-linear-gradient(90deg,#222 0 6px,#fff 6px 12px);
  background-blend-mode:difference;border-radius:8px}

/* ============================================================
   AI 客服对话
   ============================================================ */
.chat-box{height:340px;overflow:auto;background:var(--bg-2);border:1px solid var(--line);border-radius:10px;padding:14px;margin-bottom:10px}
.chat-box .b{margin:10px 0;display:flex}
.chat-box .b.me{justify-content:flex-end}
.chat-box .b .m{max-width:78%;padding:10px 14px;border-radius:14px;font-size:14px;line-height:1.55}
.chat-box .b.ai .m{background:#fff;color:var(--ink);border:1px solid var(--line);border-top-left-radius:2px;box-shadow:var(--shadow)}
.chat-box .b.me .m{background:var(--grad-sunrise);color:#fff;border-top-right-radius:2px;box-shadow:0 4px 12px rgba(31,138,122,.25)}
.chat-input{display:flex;gap:8px}
.chat-input input{flex:1;padding:10px 14px;border:1px solid var(--line);border-radius:10px;background:#fff}
.quick-q{display:flex;flex-wrap:wrap;gap:6px;margin:10px 0}
.quick-q span{font-size:12px;padding:6px 12px;border:1px solid var(--line);border-radius:14px;cursor:pointer;color:var(--ink-2);background:#fff;transition:all .2s}
.quick-q span:hover{border-color:var(--primary);color:var(--primary);background:var(--bg-2)}

/* ============================================================
   文创 / 打卡
   ============================================================ */
.prod{display:flex;justify-content:space-between;align-items:center;border:1px solid var(--line);border-radius:10px;padding:12px;margin-bottom:8px;background:var(--card);transition:all .2s}
.prod:hover{box-shadow:var(--shadow);border-color:var(--primary-3)}
.prod .nm{font-weight:600}
.prod .pr{color:var(--orange);font-weight:700;font-family:var(--font-display)}
/* 文创商城 · 产品图卡片 */
.prod-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-bottom:8px}
.prod-card{display:flex;gap:10px;padding:10px;border:1px solid var(--line);border-radius:12px;background:var(--card);transition:all .25s ease;cursor:pointer}
.prod-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);border-color:var(--c)}
.prod-art{width:72px;height:72px;flex-shrink:0;border-radius:10px;overflow:hidden;background:var(--bg-2)}
.prod-info{flex:1;display:flex;flex-direction:column;justify-content:space-between;min-width:0}
.prod-nm{font-weight:600;font-size:14px;color:var(--ink);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.prod-meta{display:flex;align-items:center;justify-content:space-between;margin-top:2px}
.prod-pr{color:var(--orange);font-weight:700;font-family:var(--font-display);font-size:15px}
.prod-card .btn.sm{align-self:flex-end;margin-top:6px}
/* 景点打卡 · 印章 */
.stamp-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:8px}
.stamp{display:flex;flex-direction:column;align-items:center;gap:4px;padding:10px 4px;border-radius:10px;cursor:pointer;border:1px dashed var(--line);background:var(--bg-2);transition:all .25s ease;font-size:12px;color:var(--ink-2)}
.stamp.on{border-style:solid;border-color:var(--primary);color:var(--primary);background:#e3f1ed;transform:scale(1.04)}
.stamp.on span{color:var(--primary);font-weight:600}
.cart-line{display:flex;justify-content:space-between;padding:8px 0;border-bottom:1px solid var(--line);font-size:14px}

/* ============================================================
   视频墙 / 无人机 / 单兵
   ============================================================ */
.cam{border:1px solid var(--line);border-radius:10px;overflow:hidden;background:#0c3a3f;color:#cfe6e0}
.cam .cam-top{display:flex;justify-content:space-between;align-items:center;padding:8px 12px;font-size:12px;background:#082420;border-bottom:1px solid #15504a}
.cam .cam-body{height:96px;display:flex;flex-direction:column;justify-content:center;align-items:center;background:
  repeating-linear-gradient(45deg,#16294a 0 10px,#0e1b33 10px 20px);font-size:18px}
.cam.off .cam-body{background:#1a201e;color:#7a8493}
.cam.off{opacity:.7}

/* 大屏视频墙 / 点调回看 */
.vw-main{height:150px;display:flex;flex-direction:column;justify-content:center;align-items:center;background:repeating-linear-gradient(45deg,#15504a 0 10px,#0c3a3f 10px 20px);border-radius:8px;color:#cfe6e0}
.vw-live{font-size:12px;color:#ff5b6e;font-weight:700;letter-spacing:1px}
.vw-live .dot{display:inline-block;width:8px;height:8px;border-radius:50%;background:#ff5b6e;margin-right:5px;vertical-align:middle;animation:vwblink 1s infinite}
@keyframes vwblink{0%,100%{opacity:1}50%{opacity:.2}}
.vw-cam{font-size:16px;font-weight:600;margin-top:6px}
.vw-thumbs{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px}
.vw-thumb{font-size:11px;padding:4px 8px;border-radius:6px;background:#082420;color:#cfe6e0;border:1px solid #15504a;cursor:pointer}
.vw-thumb.on{border-color:var(--orange);color:var(--sun)}
.vw-thumb.off{color:#7a8493}
.vw-replay{height:160px;display:flex;flex-direction:column;justify-content:center;align-items:center;background:repeating-linear-gradient(45deg,#15504a 0 10px,#0c3a3f 10px 20px);border-radius:8px;color:#cfe6e0;margin-bottom:10px}
.pill-row{padding:6px 0;border-bottom:1px dashed var(--line)}

/* ============================================================
   大屏驾驶舱 · 数据瀑布 + 山海品牌升级（E4）
   ============================================================ */
/* 数据瀑布：横向流动实时指标带（大屏视觉锚点） */
.data-waterfall{position:relative;overflow:hidden;background:linear-gradient(90deg,#0a332c,#0d423a 55%,#0a332c);border:1px solid #15504a;border-radius:12px;margin-bottom:16px;padding:11px 0;box-shadow:inset 0 0 34px rgba(0,0,0,.4)}
.data-waterfall::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--grad-sunrise);z-index:4}
.dw-label{position:absolute;left:18px;top:50%;transform:translateY(-50%);z-index:5;font-size:12px;letter-spacing:2px;color:var(--sun);background:#0a332c;padding:5px 12px;border-radius:20px;border:1px solid #2a4a7a;white-space:nowrap;box-shadow:0 2px 8px rgba(0,0,0,.3)}
.dw-track{display:flex;gap:40px;padding-left:128px;white-space:nowrap;animation:dwscroll 42s linear infinite;will-change:transform}
.dw-track:hover{animation-play-state:paused}
.dw-item{display:inline-flex;align-items:baseline;gap:8px;font-size:13px;color:#bfe0d8}
.dw-item b{font-size:21px;font-weight:700;font-family:var(--font-display);color:#fff;font-variant-numeric:tabular-nums}
.dw-item .u{font-size:12px;color:#8fb6ac}
.dw-item .up{color:#ff8a5b}.dw-item .down{color:#3fb9a6}
.dw-sep{color:#2a4a7a}
@keyframes dwscroll{0%{transform:translateX(0)}100%{transform:translateX(-50%)}}

/* 大屏关键指标卡（山海品牌） */
.screen-kpis{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:16px}
.screen-kpi{position:relative;overflow:hidden;background:linear-gradient(160deg,#0e3a33,#082420);border:1px solid #15504a;border-radius:12px;padding:16px 18px}
.screen-kpi::after{content:"";position:absolute;right:-22px;bottom:-22px;width:84px;height:84px;border-radius:50%;background:radial-gradient(circle,rgba(31,138,122,.20),transparent 70%)}
.screen-kpi .l{font-size:12px;color:#9fc3ba;letter-spacing:1px}
.screen-kpi .v{font-size:30px;font-weight:700;font-family:var(--font-display);color:#fff;margin-top:6px;font-variant-numeric:tabular-nums}
.screen-kpi .v small{font-size:13px;color:#8fb6ac;font-weight:500;margin-left:4px}
.screen-kpi .d{font-size:12px;margin-top:5px;color:#7fb0a6}
.screen-kpi .d.up{color:#ff8a5b}.screen-kpi .d.down{color:#3fb9a6}
.screen-kpi .bar{position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--grad-mountain)}
.screen-kpi.alt .bar{background:var(--grad-sunrise)}
body.screen .screen-card h3{color:#cfe6e0}
body.screen .chart{width:100%}

/* ============================================================
   景区总览 · 大卡片 + 真实地图（山海主题）
   ============================================================ */
.spot-grid-hero{grid-template-columns:repeat(4,1fr);gap:18px}
@media (max-width:1280px){.spot-grid-hero{grid-template-columns:repeat(2,1fr)}}
.spot-hero-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;cursor:pointer;transition:all .3s ease;box-shadow:var(--shadow);position:relative}
.spot-hero-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--accent)}
.spot-hero-card:hover .spot-hero-art{transform:scale(1.05)}
.spot-hero-art{position:relative;height:200px;overflow:hidden;background:var(--accent);transition:transform .5s ease}
.spot-hero-art svg{width:100%;height:100%;display:block}
.spot-hero-overlay{position:absolute;inset:0;background:linear-gradient(180deg,transparent 50%,rgba(0,0,0,.55));pointer-events:none}
.spot-hero-name{position:absolute;left:14px;bottom:30px;font-size:22px;font-weight:700;color:#fff;text-shadow:0 2px 8px rgba(0,0,0,.5);font-family:var(--font-display);letter-spacing:1px}
.spot-hero-level{position:absolute;left:14px;bottom:10px;font-size:12px;color:#fff;background:rgba(0,0,0,.35);padding:3px 10px;border-radius:10px;backdrop-filter:blur(6px);border:1px solid rgba(255,255,255,.25)}
.spot-hero-body{padding:18px}
.spot-hero-tags{margin-bottom:12px;display:flex;flex-wrap:wrap;gap:5px;min-height:20px}
.spot-hero-tag{font-size:12.5px;padding:3px 9px;background:var(--bg-2);color:var(--ink-2);border-radius:8px;border:1px solid var(--line)}
.spot-hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:12px 0}
.spot-hero-stats>div{text-align:center;padding:10px 4px;background:var(--bg-2);border-radius:8px}
.spot-hero-stats .num{display:block;font-size:16px;font-weight:700;color:var(--ink);font-family:var(--font-display);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.spot-hero-stats .lbl{display:block;font-size:12px;color:var(--ink-3);margin-top:3px}
.spot-hero-bar{position:relative;height:7px;background:var(--bg-2);border-radius:3px;overflow:hidden;margin-top:12px}
.spot-hero-bar-fill{height:100%;border-radius:3px;transition:width .8s ease}
.spot-hero-bar-tip{position:absolute;right:0;top:-17px;font-size:11.5px;color:var(--ink-3)}
.spot-hero-addr{margin-top:16px;font-size:13px;color:var(--ink-2);line-height:1.5}
.spot-map{height:520px;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow)}
.spot-map-marker{background:transparent!important;border:none!important}
.leaflet-container{font-family:var(--font-sans)!important;background:var(--bg-2)}
.spot-hero-status{font-size:13px;font-weight:600;margin-bottom:10px;display:flex;align-items:center;gap:6px}
.spot-hero-status.on{color:var(--ok)}
.spot-hero-status.off{color:var(--ink-3)}
.spot-hero-status .bk{color:var(--ink-2);font-weight:500}

/* 景区资讯导览（游客端）：与「景区总览」运营视角区分，侧重介绍/交通/贴士 */
.guide-grid{grid-template-columns:repeat(2,1fr);gap:18px}
@media (max-width:1280px){.guide-grid{grid-template-columns:1fr}}
.guide-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;display:flex;box-shadow:var(--shadow);transition:all .25s ease}
.guide-card:hover{box-shadow:var(--shadow-md);border-color:var(--accent)}
.guide-art{position:relative;width:168px;flex-shrink:0;background:var(--accent);overflow:hidden}
.guide-art svg{width:100%;height:100%;display:block}
.guide-name{position:absolute;left:12px;bottom:26px;font-size:19px;font-weight:700;color:#fff;text-shadow:0 2px 8px rgba(0,0,0,.5);font-family:var(--font-display)}
.guide-level{position:absolute;left:12px;bottom:8px;font-size:11px;color:#fff;background:rgba(0,0,0,.35);padding:3px 9px;border-radius:8px}
.guide-body{padding:18px;flex:1;display:flex;flex-direction:column;gap:10px;min-width:0}
.guide-intro{font-size:14px;color:var(--ink-2);line-height:1.7}
.guide-meta{display:flex;gap:20px;flex-wrap:wrap}
.guide-meta>div{display:flex;flex-direction:column}
.guide-meta .lbl{font-size:11px;color:var(--ink-3)}
.guide-meta b{font-size:15px;color:var(--ink);font-family:var(--font-display)}
.guide-tips{font-size:13px;color:var(--ink-2);line-height:1.7}
.guide-tips>span{display:inline-block;margin:4px 8px 0 0;padding:3px 10px;background:var(--bg-2);border-radius:8px;border:1px solid var(--line);font-size:12px}
.guide-addr{font-size:13px;color:var(--ink-2)}