/* 绿茵竞彩 - 左导数据文档树版式 */
:root {
  --ink: #17231e;
  --ink-soft: #41544b;
  --mute: #6c8079;
  --line: #d8e0da;
  --paper: #f5f7f4;
  --card: #ffffff;
  --green: #0f3d2e;
  --green-2: #1c5a44;
  --amber: #b7791f;
  --amber-soft: #f3e7cf;
  --radius: 6px;
  --rail: 246px;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.75;
}

img { max-width: 100%; height: auto; display: block; }

a { color: var(--green-2); text-decoration: none; }
a:hover { color: var(--amber); }

.num { font-family: "IBM Plex Mono", "SFMono-Regular", Consolas, monospace; font-variant-numeric: tabular-nums; }

.wrap { max-width: 1240px; margin: 0 auto; padding: 0 20px; }

/* 顶栏 */
.topbar {
  background: var(--green);
  color: #eaf2ed;
  font-size: 13px;
  letter-spacing: .02em;
}
.topbar .wrap { display: flex; justify-content: space-between; gap: 16px; padding-top: 7px; padding-bottom: 7px; flex-wrap: wrap; }
.topbar span { opacity: .82; }

.sitehead { background: var(--card); border-bottom: 1px solid var(--line); }
.sitehead .wrap { display: flex; align-items: center; gap: 14px; min-height: 68px; }
.brand { display: flex; align-items: center; gap: 11px; }
.brand img { width: 38px; height: 38px; border-radius: 8px; }
.brand-tt { display: flex; flex-direction: column; line-height: 1.25; }
.brand-tt strong { font-size: 18px; letter-spacing: .06em; color: var(--green); }
.brand-tt em { font-style: normal; font-size: 11px; color: var(--mute); letter-spacing: .18em; text-transform: uppercase; }
.head-tools { margin-left: auto; display: flex; align-items: center; gap: 10px; }
.head-tools .hint { font-size: 12px; color: var(--mute); }
.menubtn {
  display: none;
  background: var(--green);
  color: #fff;
  border: 0;
  border-radius: var(--radius);
  padding: 9px 14px;
  font-size: 14px;
  cursor: pointer;
}

/* 左导 + 内容 */
.shell { display: grid; grid-template-columns: var(--rail) minmax(0, 1fr); gap: 30px; padding: 26px 0 46px; }

.rail { position: sticky; top: 18px; align-self: start; }
.rail-box { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.rail-box h2 {
  margin: 0;
  padding: 12px 16px;
  font-size: 12px;
  letter-spacing: .16em;
  color: #e9f2ec;
  background: var(--green);
  font-weight: 600;
}
.rail-nav { list-style: none; margin: 0; padding: 6px 0; }
.rail-nav li { border-bottom: 1px dashed var(--line); }
.rail-nav li:last-child { border-bottom: 0; }
.rail-nav a { display: flex; justify-content: space-between; gap: 8px; padding: 10px 16px; font-size: 15px; color: var(--ink-soft); }
.rail-nav a:hover { background: #f0f5f1; color: var(--green); }
.rail-nav a.is-active { color: var(--green); font-weight: 700; box-shadow: inset 3px 0 0 var(--amber); background: #f0f5f1; }
.rail-nav .cnt { font-size: 12px; color: var(--mute); }
.rail-note { margin: 14px 0 0; font-size: 12.5px; line-height: 1.7; color: var(--mute); padding: 0 4px; }

main { min-width: 0; }

.crumb { font-size: 13px; color: var(--mute); margin: 0 0 14px; }
.breadcrumb { font-size: 13px; color: var(--mute); margin: 0 0 14px; }
.crumb a { color: var(--mute); }
.crumb a:hover { color: var(--amber); }
.crumb .sep { margin: 0 6px; color: #b6c4bd; }

h1 { font-size: clamp(24px, 3.4vw, 32px); line-height: 1.32; margin: 0 0 12px; color: var(--green); letter-spacing: .01em; }
.lede { margin: 0 0 22px; color: var(--ink-soft); font-size: 16.5px; max-width: 68ch; }

section.blk { margin: 0 0 34px; }
.blk-head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; border-bottom: 2px solid var(--green); padding-bottom: 8px; margin-bottom: 16px; }
.blk-head h2 { margin: 0; font-size: 19px; color: var(--green); letter-spacing: .02em; }
.blk-head .more { font-size: 13px; color: var(--mute); }

/* 数据表 */
.tbl { width: 100%; border-collapse: collapse; background: var(--card); font-size: 14.5px; }
.tbl caption { text-align: left; font-size: 12.5px; color: var(--mute); padding: 0 0 8px; }
.tbl th, .tbl td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
.tbl thead th { background: #eef3ef; color: var(--green); font-weight: 600; font-size: 13px; letter-spacing: .04em; }
.tbl tbody tr:hover { background: #f8faf8; }
.tbl .r { text-align: right; }

/* 文章条目（文档树式） */
.entries { list-style: none; margin: 0; padding: 0; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); }
.entries li { padding: 15px 18px; border-bottom: 1px solid var(--line); }
.entries li:last-child { border-bottom: 0; }
.entries .meta { font-size: 12.5px; color: var(--mute); display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 4px; }
.entries h3 { margin: 0 0 5px; font-size: 17px; line-height: 1.5; }
.entries p { margin: 0; font-size: 14px; color: var(--ink-soft); }

/* 图文分块 */
.split { display: grid; grid-template-columns: 1.15fr .85fr; gap: 22px; align-items: start; }
.split.rev { grid-template-columns: .85fr 1.15fr; }
.split figure { margin: 0; }
.split figure img { border-radius: var(--radius); }
figcaption { font-size: 12.5px; color: var(--mute); margin-top: 7px; }

.stackfig { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.stackfig figure { margin: 0; }

.quote-strip {
  background: var(--green);
  color: #e8f1ea;
  border-radius: var(--radius);
  padding: 22px 24px;
  display: grid;
  grid-template-columns: 2px 1fr;
  gap: 18px;
}
.quote-strip .bar { background: var(--amber); border-radius: 2px; }
.quote-strip p { margin: 0; font-size: 15.5px; line-height: 1.8; }
.quote-strip .who { display: block; margin-top: 8px; font-size: 12.5px; color: #b9cdc2; }

.mini { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.mini div { background: var(--card); border: 1px solid var(--line); border-left: 3px solid var(--amber); border-radius: var(--radius); padding: 14px 14px 12px; }
.mini strong { display: block; font-size: 22px; color: var(--green); }
.mini span { font-size: 12.5px; color: var(--mute); }

.note { background: var(--amber-soft); border-radius: var(--radius); padding: 16px 18px; font-size: 14px; color: #6a4c12; }

/* 文章页 */
.art-grid { display: grid; grid-template-columns: minmax(0, 1fr) 292px; gap: 30px; align-items: start; }
.art-body { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 28px 30px; }
.art-meta { display: flex; flex-wrap: wrap; gap: 10px 18px; font-size: 13px; color: var(--mute); padding-bottom: 14px; border-bottom: 1px solid var(--line); margin-bottom: 20px; }
.art-meta .author { color: var(--green); font-weight: 600; }
.art-body h2 { font-size: 20px; color: var(--green); margin: 30px 0 10px; padding-left: 11px; border-left: 3px solid var(--amber); line-height: 1.45; }
.art-body h3 { font-size: 16.5px; color: var(--green-2); margin: 22px 0 8px; }
.art-body p { margin: 0 0 15px; }
.art-body ul, .art-body ol { margin: 0 0 16px; padding-left: 22px; }
.art-body li { margin-bottom: 7px; }
.art-body figure { margin: 22px 0; }
.art-body table { margin: 20px 0; }
.art-body a { border-bottom: 1px solid rgba(28, 90, 68, .28); }
.art-body a:hover { border-bottom-color: var(--amber); }
.faq { border-top: 1px solid var(--line); margin-top: 26px; padding-top: 6px; }
.faq h2 { border-left: 0; padding-left: 0; }
.faq q { quotes: none; }
.backcat { margin-top: 26px; font-size: 14px; }

.art-side { display: grid; gap: 16px; }
.side-box { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px 18px; }
.side-box h2 { margin: 0 0 10px; font-size: 13px; letter-spacing: .12em; color: var(--green); text-transform: uppercase; }
.side-box ul { list-style: none; margin: 0; padding: 0; }
.side-box li { padding: 9px 0; border-bottom: 1px dashed var(--line); font-size: 14px; line-height: 1.55; }
.side-box li:last-child { border-bottom: 0; padding-bottom: 0; }
.side-box li a { color: var(--ink-soft); }
.side-box li a:hover { color: var(--green); }
.side-box .tagline { font-size: 12px; color: var(--mute); display: block; margin-top: 2px; }

/* 页脚 */
.sitefoot { background: var(--green); color: #cfe0d6; margin-top: 20px; }
.sitefoot .wrap { padding: 30px 20px 24px; display: grid; grid-template-columns: 1.3fr 1fr 1fr; gap: 26px; }
.sitefoot h3 { margin: 0 0 10px; font-size: 14px; color: #ffffff; letter-spacing: .08em; }
.sitefoot p, .sitefoot li { font-size: 13px; line-height: 1.85; margin: 0; list-style: none; }
.sitefoot ul { margin: 0; padding: 0; }
.sitefoot a { color: #cfe0d6; }
.sitefoot a:hover { color: #f0d5a4; }
.legal { border-top: 1px solid rgba(255, 255, 255, .16); }
.legal .wrap { display: block; padding: 14px 20px 20px; font-size: 12.5px; color: #a9c0b3; }
.legal p { margin: 0 0 4px; }

@media (max-width: 1024px) {
  .art-grid { grid-template-columns: 1fr; }
  .mini { grid-template-columns: repeat(2, 1fr); }
  .sitefoot .wrap { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .wrap { padding: 0 15px; }
  .menubtn { display: inline-block; }
  .head-tools .hint { display: none; }
  .shell { grid-template-columns: 1fr; gap: 20px; padding-top: 16px; }
  .rail { position: static; display: none; }
  .rail.open { display: block; }
  .split, .split.rev { grid-template-columns: 1fr; }
  .stackfig { grid-template-columns: 1fr; }
  .mini { grid-template-columns: 1fr 1fr; }
  .art-body { padding: 20px 17px 24px; }
  .art-body h2 { font-size: 18.5px; }
  .tbl { font-size: 13.5px; }
  .tbl th, .tbl td { padding: 9px 8px; }
  .sitefoot .wrap { grid-template-columns: 1fr; gap: 18px; }
  body { font-size: 15.5px; }
}