/* 广东电力市场规则知识库 · 交互式站点样式（完全离线，无外部依赖） */
:root{
  --bg:#eef1f6; --panel:#ffffff; --ink:#16213a; --mut:#64748b; --line:#e3e8f0;
  --brand:#1d4ed8; --brand-2:#0e7490; --accent:#9333ea;
  --codebg:#f4f6fb; --soft:#f8fafc;
  --sidebar-w:272px;
  --mono:"SF Mono",ui-monospace,Menlo,Consolas,"PingFang SC",monospace;
}
*{box-sizing:border-box}
.hidden{display:none!important}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);
  font:15px/1.75 "PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",sans-serif;}

/* ===== 布局 ===== */
.app{display:flex;min-height:100vh}
.sidebar{position:fixed;inset:0 auto 0 0;width:var(--sidebar-w);background:#0d1b3d;color:#dbe4ff;
  display:flex;flex-direction:column;overflow-y:auto;z-index:40;scrollbar-width:thin;scrollbar-color:#33437a transparent}
.main{flex:1;margin-left:var(--sidebar-w);display:flex;flex-direction:column;min-width:0}
.content{flex:1;padding:26px 40px 40px;max-width:1080px;width:100%;margin:0 auto}
.foot{padding:18px 40px;color:var(--mut);font-size:12.5px;border-top:1px solid var(--line);background:var(--panel)}

/* ===== 侧栏 ===== */
.brand{display:flex;gap:11px;padding:18px 16px 14px;border-bottom:1px solid #24346b}
.brand-badge{flex:none;width:40px;height:40px;border-radius:10px;background:linear-gradient(135deg,#2563eb,#0ea5e9);
  display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:700;color:#fff}
.brand-title{font-size:14.5px;font-weight:700;color:#fff;line-height:1.4}
.brand-sub{font-size:11px;color:#93a5d8;line-height:1.5;margin-top:2px}
.nav{padding:10px 10px 20px;flex:1}
.nav-group{margin-top:14px;font-size:11px;letter-spacing:.12em;color:#7d8fc7;padding:0 10px 6px;font-weight:700}
.nav a{display:flex;align-items:center;gap:8px;padding:7px 10px;border-radius:8px;color:#c6d2f5;
  text-decoration:none;font-size:13.5px;line-height:1.45}
.nav a:hover{background:#1a2b5e;color:#fff}
.nav a.active{background:linear-gradient(90deg,#1d4ed8,#2563eb);color:#fff;font-weight:600}
.nav a .ic{flex:none;width:20px;text-align:center}
.sidebar-foot{padding:12px 16px;font-size:11px;color:#7d8fc7;border-top:1px solid #24346b;line-height:1.7}

/* ===== 顶栏 ===== */
.topbar{position:sticky;top:0;z-index:30;display:flex;align-items:center;gap:12px;
  padding:10px 24px;background:rgba(255,255,255,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.crumb{font-weight:700;font-size:14px;color:#334155;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.icon-btn{border:1px solid var(--line);background:#fff;border-radius:8px;width:32px;height:32px;cursor:pointer;font-size:15px;color:#475569;flex:none}
.icon-btn:hover{background:var(--soft)}
.topbtn{margin-left:auto;flex:none;text-decoration:none;background:linear-gradient(135deg,#1d4ed8,#2563eb);color:#fff;
  padding:6px 13px;border-radius:8px;font-size:13px;font-weight:600;box-shadow:0 1px 4px rgba(29,78,216,.35)}
.topbtn:hover{filter:brightness(1.08)}

/* ===== 搜索 ===== */
.searchbox{position:relative;flex:1;max-width:560px;margin-left:auto}
.searchbox .search-ico{position:absolute;left:11px;top:50%;transform:translateY(-50%);color:#94a3b8}
#search-input{width:100%;padding:7px 30px 7px 34px;border:1px solid var(--line);border-radius:9px;
  background:var(--soft);font-size:13.5px;outline:none;color:var(--ink)}
#search-input:focus{border-color:#93c5fd;background:#fff;box-shadow:0 0 0 3px rgba(59,130,246,.15)}
#search-esc{position:absolute;right:9px;top:50%;transform:translateY(-50%);font-size:10.5px;color:#94a3b8;
  border:1px solid var(--line);border-radius:4px;padding:1px 5px;background:#fff}
.search-panel{position:absolute;top:calc(100% + 6px);left:0;right:0;max-height:min(64vh,540px);overflow:auto;
  background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:0 14px 40px rgba(15,23,42,.18);padding:6px}
.search-panel .sr{display:block;padding:9px 12px;border-radius:8px;text-decoration:none;color:var(--ink)}
.search-panel .sr:hover{background:#eff4ff}
.sr .sr-doc{font-size:11.5px;color:var(--brand);font-weight:700}
.sr .sr-sec{font-size:13px;font-weight:600;margin:1px 0}
.sr .sr-snip{font-size:12px;color:var(--mut);line-height:1.6}
.sr mark,.content mark{background:#fde68a;padding:0 2px;border-radius:3px}
.sr-empty{padding:18px;text-align:center;color:var(--mut);font-size:13px}
.sr-count{padding:6px 12px 4px;font-size:11.5px;color:var(--mut)}

/* ===== 内容排版 ===== */
.page-card{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:30px 38px 34px;
  box-shadow:0 1px 10px rgba(15,23,42,.05)}
.content h1{font-size:25px;line-height:1.4;border-bottom:3px solid var(--brand);padding-bottom:12px;margin:4px 0 20px}
.content h2{font-size:20px;color:var(--brand);border-bottom:1px solid var(--line);padding-bottom:7px;margin:34px 0 14px;
  scroll-margin-top:70px}
.content h3{font-size:16.5px;margin:24px 0 10px;color:#0f2d6b;scroll-margin-top:70px}
.content h4{font-size:14.5px;margin:18px 0 8px;color:#475569;scroll-margin-top:70px}
.content p{margin:9px 0}
.content a{color:var(--brand);text-decoration:none}
.content a:hover{text-decoration:underline}
.content hr{border:0;border-top:1px dashed var(--line);margin:26px 0}
.content ul,.content ol{margin:8px 0 8px 26px;padding:0}
.content li{margin:4px 0}
blockquote{margin:14px 0;padding:11px 18px;border-left:4px solid var(--accent);background:#faf5ff;color:#581c87;border-radius:0 10px 10px 0}
blockquote p{margin:4px 0}

/* 表格 */
.tbl-wrap{overflow-x:auto;margin:12px 0;border-radius:10px;border:1px solid var(--line)}
table{border-collapse:collapse;width:100%;font-size:13.3px;background:#fff}
th,td{border:1px solid var(--line);padding:7px 11px;text-align:left;vertical-align:top}
th{background:#f1f5fd;font-weight:700;color:#1e3a8a;white-space:nowrap}
tbody tr:nth-child(even){background:#fafbfe}

/* 代码与公式 */
code{background:var(--codebg);border:1px solid var(--line);border-radius:5px;padding:1px 6px;font:12.5px/1.6 var(--mono);color:#0f172a}
pre{background:#0f172a;color:#e2e8f0;padding:14px 18px;border-radius:10px;overflow-x:auto;font:12.8px/1.6 var(--mono)}
pre code{background:none;border:0;color:inherit;padding:0}
div.formula{background:#f0f6ff;border:1px solid #bfdbfe;border-left:4px solid var(--brand);border-radius:10px;
  padding:14px 18px;margin:13px 0;overflow-x:auto}
div.formula code{background:none;border:0;padding:0;font:14.5px/1.9 var(--mono);color:#0c2d6b;white-space:pre-wrap;word-break:break-all}
div.mermaid-src{background:var(--soft);border:1px dashed var(--line);border-radius:10px;padding:12px 16px;margin:12px 0;overflow-x:auto}
div.mermaid-src code{background:none;border:0;white-space:pre;font:12px/1.6 var(--mono);color:#475569}

/* 徽章与标签 */
.badge{display:inline-block;font-size:11.5px;font-weight:700;padding:2px 9px;border-radius:20px;margin:0 3px 3px 0;
  background:#eff6ff;color:var(--brand);border:1px solid #bfdbfe}
.badge.src{background:#fdf4ff;color:#86198f;border-color:#f0abfc}
.badge.warn{background:#fffbeb;color:#92400e;border-color:#fcd34d}
.chip{display:inline-block;margin:3px 4px 3px 0;padding:5px 12px;border-radius:18px;border:1px solid var(--line);
  background:#fff;font-size:12.5px;color:#334155;text-decoration:none;cursor:pointer}
.chip:hover{border-color:var(--brand);color:var(--brand);background:#eff6ff}

/* 首页 */
.hero{background:linear-gradient(120deg,#0d1b3d 0%,#1d4ed8 55%,#0e7490 100%);color:#fff;border-radius:16px;
  padding:38px 40px;margin-bottom:22px;box-shadow:0 10px 30px rgba(13,27,61,.35)}
.hero h1{color:#fff;border:0;margin:0 0 10px;font-size:27px}
.hero p{margin:4px 0;color:#cdd9f8;max-width:820px}
.hero .hero-links{margin-top:16px;display:flex;flex-wrap:wrap;gap:9px}
.hero .hero-links a{background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.35);color:#fff;
  padding:7px 15px;border-radius:10px;font-size:13.5px;text-decoration:none;backdrop-filter:blur(4px)}
.hero .hero-links a:hover{background:rgba(255,255,255,.26)}
.card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:14px;margin:16px 0 8px}
.rule-card{background:#fff;border:1px solid var(--line);border-radius:13px;padding:17px 19px;text-decoration:none;color:var(--ink);
  display:block;box-shadow:0 1px 6px rgba(15,23,42,.05);transition:.15s}
.rule-card:hover{border-color:#93c5fd;box-shadow:0 6px 18px rgba(29,78,216,.13);transform:translateY(-2px)}
.rule-card .rc-head{display:flex;align-items:center;gap:9px;font-weight:700;font-size:15px}
.rule-card .rc-head .em{font-size:19px}
.rule-card .rc-tag{font-size:11px;color:#fff;border-radius:6px;padding:2px 8px;margin-left:auto;font-weight:700}
.rule-card p{font-size:12.8px;color:var(--mut);margin:8px 0 6px;line-height:1.65}
.rule-card .rc-meta{font-size:11.5px;color:#94a3b8}
.home-sec-title{font-size:17px;font-weight:800;color:#0f2d6b;margin:26px 0 10px;display:flex;align-items:center;gap:8px}
.home-sec-title::before{content:"";width:5px;height:18px;border-radius:3px;background:linear-gradient(#2563eb,#0ea5e9)}

/* 关系图 */
.fig-block{margin:18px 0 26px}
.fig-block .fig-svg{overflow-x:auto;background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px}
.fig-block .fig-svg svg{min-width:820px;max-width:100%;height:auto;display:block;margin:0 auto}
.fig-block figcaption{font-size:12.5px;color:var(--mut);margin-top:8px;text-align:center}

/* 目录面板 */
.toc{background:var(--soft);border:1px solid var(--line);border-radius:12px;padding:13px 18px;margin:0 0 20px;font-size:13px}
.toc .toc-t{font-weight:800;color:#334155;margin-bottom:6px;font-size:12px;letter-spacing:.08em}
.toc a{display:block;color:#475569;text-decoration:none;padding:2.5px 0}
.toc a:hover{color:var(--brand)}
.toc a.sub{padding-left:16px;font-size:12.3px;color:var(--mut)}

/* 计算器 */
.calc-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px 24px;margin:16px 0;
  box-shadow:0 1px 8px rgba(15,23,42,.05)}
.calc-card h3{margin-top:0;color:var(--brand)}
.calc-card .calc-src{font-size:12px;color:var(--mut);margin-bottom:12px}
.calc-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:10px;margin:10px 0}
.calc-grid label{font-size:12.3px;color:#475569;display:block;font-weight:600;margin-bottom:3px}
.calc-grid input,.calc-grid select{width:100%;padding:7px 10px;border:1px solid var(--line);border-radius:8px;font:13.5px var(--mono);outline:none}
.calc-grid input:focus{border-color:#93c5fd;box-shadow:0 0 0 3px rgba(59,130,246,.14)}
.calc-row{display:flex;gap:16px;flex-wrap:wrap;align-items:flex-end;margin-top:6px}
.calc-formula{background:var(--codebg);border:1px dashed #c7d4ee;border-radius:9px;padding:9px 14px;margin:8px 0;
  font:13px/1.8 var(--mono);color:#334155;white-space:pre-wrap;word-break:break-all}
.calc-result{margin-top:12px;padding:13px 17px;border-radius:10px;background:#0f2d6b;color:#fff;font:13.5px/1.9 var(--mono);
  white-space:pre-wrap;word-break:break-all}
.calc-result b{color:#7dd3fc;font-weight:700}
.calc-result .neg{color:#fca5a5}
.calc-note{font-size:12px;color:var(--mut);margin-top:8px;line-height:1.7}
.calc-btn{border:0;background:#0e7490;color:#fff;border-radius:8px;padding:8px 16px;font-size:13px;font-weight:600;cursor:pointer}
.calc-btn:hover{filter:brightness(1.1)}
.calc-jump{display:inline-block;margin-left:8px;font-size:11.5px;line-height:1.6;vertical-align:middle;background:#0e7490;color:#fff;border-radius:6px;padding:2px 9px;text-decoration:none}
.calc-jump:hover{filter:brightness(1.12);text-decoration:none}
.multi-tbl input{width:100%;min-width:104px;padding:5px 8px;border:1px solid var(--line);border-radius:7px;font:12.5px var(--mono)}
.multi-tbl td,.multi-tbl th{padding:5px 7px;font-size:12.5px}

/* 目录高亮 */
a.toc-hl{color:var(--brand);font-weight:700}

/* 响应式 */
.btn-menu-hidden{display:none}
@media (max-width:1000px){
  .sidebar{transform:translateX(-100%);transition:.2s;width:290px}
  .sidebar.open{transform:none;box-shadow:0 0 60px rgba(0,0,0,.4)}
  .main{margin-left:0}
  .content{padding:20px 18px 30px}
  .page-card{padding:22px 20px}
  .searchbox{max-width:none}
  .crumb{display:none}
}
@media print{
  .sidebar,.topbar,.foot,.calc-btn,.hero .hero-links{display:none!important}
  .main{margin:0}
  .content{max-width:none;padding:0}
  .page-card{border:0;box-shadow:none;padding:0}
  .calc-card{page-break-inside:avoid}
  body{background:#fff}
}