/* =====================================================================
   koach 开发者文档
   与官网共用色板，但文档区用更紧的排版和更小的字号
   ===================================================================== */

:root{
  --ink:#0E1116;
  --ink-2:#171B22;
  --text:#1F2329;
  --sub:#5A6169;
  --muted:#8F959E;
  --line:#E5E7EB;
  --line-soft:#EFF1F4;
  --paper:#FFFFFF;
  --soft:#F7F8FA;

  --l1:#1F8C39;  --l1-mid:#8EE085;  --l1-soft:#EAF8E7;
  --l2:#0B8E7A;  --l2-mid:#64E8D6;  --l2-soft:#E1F7F3;
  --l3:#6F42E0;  --l3-mid:#C8A8FF;  --l3-soft:#F2EBFF;
  --warn:#B45309; --warn-soft:#FEF3C7;
  --danger:#C2323B; --danger-soft:#FDECEE;

  --nav-h:60px;
  --side-w:270px;
  --toc-w:210px;
  --radius:12px;
  --ease:cubic-bezier(.22,.61,.36,1);

  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",
         -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  --mono:"SF Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,
         "Liberation Mono","Courier New",monospace;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--nav-h) + 20px);}
body{
  margin:0;font-family:var(--font);color:var(--text);background:var(--paper);
  font-size:15.5px;line-height:1.78;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
h1,h2,h3,h4{margin:0;line-height:1.32;letter-spacing:-.01em;font-weight:700;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit;}
:focus-visible{outline:2px solid var(--l2);outline-offset:3px;border-radius:6px;}

.skip-link{position:absolute;left:-9999px;top:0;z-index:300;
  background:var(--ink);color:#fff;padding:10px 18px;border-radius:0 0 8px 0;}
.skip-link:focus{left:0;}

/* ---------------------------------------------------------- 顶栏 */
.dnav{
  position:sticky;top:0;z-index:100;height:var(--nav-h);
  background:rgba(14,17,22,.94);backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(255,255,255,.09);color:#fff;
}
.dnav__inner{
  height:100%;display:flex;align-items:center;gap:22px;
  padding:0 22px;max-width:1680px;margin-inline:auto;
}
.dbrand{display:flex;align-items:center;gap:9px;flex-shrink:0;}
.dbrand__mark{width:26px;height:26px;color:#fff;}
.dbrand__text{font-size:18px;font-weight:700;letter-spacing:-.01em;}
.dbrand__tag{
  margin-left:5px;padding:3px 9px;border-radius:6px;font-size:11.5px;font-weight:700;
  letter-spacing:.06em;color:var(--l2-mid);background:rgba(100,232,214,.13);
  border:1px solid rgba(100,232,214,.26);
}

.dnav__search{
  position:relative;display:flex;align-items:center;
  flex:1;max-width:430px;margin-left:8px;
}
.dnav__search svg{
  position:absolute;left:12px;width:15px;height:15px;
  color:rgba(255,255,255,.42);pointer-events:none;
}
.dnav__search input{
  width:100%;height:36px;padding:0 40px 0 35px;border-radius:9px;
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.12);
  color:#fff;font-size:14px;font-family:inherit;
  transition:border-color .2s var(--ease),background .2s var(--ease);
}
.dnav__search input::placeholder{color:rgba(255,255,255,.40);}
.dnav__search input:focus{
  outline:none;background:rgba(255,255,255,.11);border-color:rgba(100,232,214,.5);
}
.dnav__search kbd{
  position:absolute;right:11px;font-family:var(--mono);font-size:11px;
  padding:1px 6px;border-radius:5px;color:rgba(255,255,255,.5);
  background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.14);
}

.dnav__links{display:flex;align-items:center;gap:24px;margin-left:auto;flex-shrink:0;}
.dnav__links a{font-size:14.5px;color:rgba(255,255,255,.76);transition:color .2s var(--ease);}
.dnav__links a:hover{color:#fff;}
.dbtn{
  padding:8px 17px;border-radius:999px;font-weight:600;
  border:1px solid rgba(255,255,255,.26);color:#fff !important;
  transition:background .2s var(--ease),border-color .2s var(--ease);
}
.dbtn:hover{background:#fff;color:var(--ink) !important;border-color:#fff;}

.dnav__toggle{display:none;width:36px;height:36px;flex-direction:column;
  justify-content:center;gap:5px;padding:0 7px;}
.dnav__toggle span{display:block;height:1.8px;background:#fff;border-radius:2px;
  transition:transform .25s var(--ease),opacity .25s var(--ease);}
.dnav__toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6.8px) rotate(45deg);}
.dnav__toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.dnav__toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6.8px) rotate(-45deg);}

/* ---------------------------------------------------------- 三栏骨架 */
.dwrap{
  display:grid;grid-template-columns:var(--side-w) minmax(0,1fr) var(--toc-w);
  gap:0;max-width:1680px;margin-inline:auto;align-items:start;
}

.dside{
  position:sticky;top:var(--nav-h);height:calc(100vh - var(--nav-h));
  overflow-y:auto;overscroll-behavior:contain;
  padding:28px 20px 60px 22px;border-right:1px solid var(--line);
}
.dside__group{
  font-size:11.5px;font-weight:700;letter-spacing:.13em;color:var(--muted);
  text-transform:uppercase;margin:26px 0 9px 10px;
}
.dside__group:first-child{margin-top:0;}
.dside ul{margin-bottom:2px;}
.dside li a{
  display:block;padding:8px 11px;border-radius:9px;font-size:14.5px;color:var(--sub);
  transition:background .18s var(--ease),color .18s var(--ease);
}
.dside li a em{
  display:block;font-style:normal;font-size:12.5px;line-height:1.5;
  color:var(--muted);margin-top:1px;
}
.dside li a:hover{background:var(--soft);color:var(--text);}
.dside li.is-current a{background:var(--l2-soft);color:var(--l2);font-weight:600;}
.dside li.is-current a em{color:rgba(11,142,122,.72);}
.dside li[hidden]{display:none;}
.dside__empty{padding:14px 11px;font-size:14px;color:var(--muted);}

.dmain{padding:34px 56px 72px;min-width:0;}
.dtoc{
  position:sticky;top:var(--nav-h);height:calc(100vh - var(--nav-h));
  overflow-y:auto;padding:36px 22px 60px 6px;
}
.dtoc__title{
  font-size:11.5px;font-weight:700;letter-spacing:.13em;color:var(--muted);
  text-transform:uppercase;margin-bottom:11px;
}
.dtoc a{
  display:block;padding:4.5px 0 4.5px 13px;font-size:13.5px;line-height:1.55;
  color:var(--muted);border-left:2px solid var(--line);
  transition:color .18s var(--ease),border-color .18s var(--ease);
}
.dtoc a:hover{color:var(--text);}
.dtoc a.is-active{color:var(--l2);border-left-color:var(--l2);font-weight:600;}
.dtoc .lvl3{padding-left:26px;font-size:13px;}

/* ---------------------------------------------------------- 正文排版 */
.dcrumb{display:flex;align-items:center;gap:9px;font-size:13.5px;
  color:var(--muted);margin-bottom:20px;}
.dcrumb a:hover{color:var(--text);}
.dcrumb b{color:var(--sub);font-weight:600;}

.dmain h1{font-size:36px;letter-spacing:-.022em;margin-bottom:14px;}
.dmain .lead{font-size:17px;line-height:1.8;color:var(--sub);
  max-width:74ch;margin-bottom:34px;}
.dmain h2{
  font-size:24px;margin:56px 0 16px;padding-top:8px;scroll-margin-top:80px;
}
.dmain h2:first-of-type{margin-top:38px;}
.dmain h3{font-size:18px;margin:34px 0 12px;scroll-margin-top:80px;}
.dmain h4{font-size:15.5px;margin:24px 0 8px;color:var(--sub);}
.dmain p{margin-bottom:15px;max-width:78ch;}
.dmain p + h3{margin-top:30px;}

.dmain a.link{color:var(--l2);border-bottom:1px solid rgba(11,142,122,.3);}
.dmain a.link:hover{border-bottom-color:var(--l2);}

.dmain b,.dmain strong{font-weight:700;}
.dmain .ul{margin:0 0 16px;max-width:78ch;}
.dmain .ul li{position:relative;padding-left:19px;margin-bottom:7px;}
.dmain .ul li::before{
  content:"";position:absolute;left:3px;top:11px;width:5px;height:5px;
  border-radius:50%;background:var(--l2-mid);
}
.dmain .ol{counter-reset:s;margin:0 0 16px;max-width:78ch;}
.dmain .ol li{position:relative;padding-left:30px;margin-bottom:9px;counter-increment:s;}
.dmain .ol li::before{
  content:counter(s);position:absolute;left:0;top:4px;
  width:20px;height:20px;border-radius:50%;background:var(--soft);
  border:1px solid var(--line);font-size:11.5px;font-weight:700;
  color:var(--sub);display:grid;place-items:center;line-height:1;
}

code{
  font-family:var(--mono);font-size:.875em;padding:2px 6px;border-radius:5px;
  background:var(--soft);border:1px solid var(--line-soft);color:#B02A55;
  word-break:break-word;
}
.dmain h2 code,.dmain h3 code{font-size:.9em;color:inherit;}

/* ---------------------------------------------------------- 接口标题 */
.ep{
  display:flex;align-items:center;gap:11px;flex-wrap:wrap;
  margin:14px 0 18px;padding:11px 14px;border-radius:10px;
  background:var(--soft);border:1px solid var(--line);
}
.ep__m{
  font-family:var(--mono);font-size:11.5px;font-weight:700;letter-spacing:.05em;
  padding:3px 9px;border-radius:5px;color:#fff;flex-shrink:0;
}
.ep__m--post{background:var(--l1);}
.ep__m--get{background:#2563EB;}
.ep__m--put{background:var(--warn);}
.ep__m--del{background:var(--danger);}
.ep__p{font-family:var(--mono);font-size:14px;color:var(--text);word-break:break-all;}
.ep__note{margin-left:auto;font-size:12.5px;color:var(--muted);}

/* ---------------------------------------------------------- 表格 */
.tbl-wrap{overflow-x:auto;margin:0 0 20px;border:1px solid var(--line);
  border-radius:var(--radius);}
table{border-collapse:collapse;width:100%;font-size:14px;background:var(--paper);}
th,td{padding:11px 15px;text-align:left;vertical-align:top;
  border-bottom:1px solid var(--line-soft);}
thead th{
  background:var(--soft);font-size:12.5px;font-weight:700;letter-spacing:.03em;
  color:var(--sub);white-space:nowrap;border-bottom:1px solid var(--line);
}
tbody tr:last-child td{border-bottom:0;}
td code{font-size:13px;padding:1px 5px;}
.t-req{color:var(--danger);font-weight:700;font-size:12px;}
.t-opt{color:var(--muted);font-size:12px;}
.t-type{font-family:var(--mono);font-size:12.5px;color:var(--l3);white-space:nowrap;}
.t-num{font-variant-numeric:tabular-nums;white-space:nowrap;}

/* ---------------------------------------------------------- 代码块 */
.code{
  margin:0 0 22px;border-radius:var(--radius);overflow:hidden;
  background:#131720;border:1px solid #232B38;
}
.code__bar{
  display:flex;align-items:center;gap:2px;padding:0 8px;
  background:#0F131A;border-bottom:1px solid #232B38;min-height:38px;
}
.code__tab{
  padding:8px 13px;font-size:12.5px;font-weight:600;color:#8892A4;
  border-radius:7px;transition:color .18s var(--ease),background .18s var(--ease);
}
.code__tab:hover{color:#C6CEDA;}
.code__tab.is-active{color:#fff;background:rgba(255,255,255,.08);}
.code__copy{
  margin-left:auto;display:flex;align-items:center;gap:6px;
  padding:5px 11px;border-radius:7px;font-size:12px;color:#8892A4;
  border:1px solid #2A3342;transition:color .18s var(--ease),border-color .18s var(--ease);
}
.code__copy:hover{color:#fff;border-color:#41506A;}
.code__copy.is-done{color:var(--l1-mid);border-color:rgba(142,224,133,.4);}
.code__copy svg{width:13px;height:13px;}

.code pre{
  margin:0;padding:17px 19px;overflow-x:auto;
  font-family:var(--mono);font-size:13px;line-height:1.72;color:#D7DEE9;
  tab-size:2;
}
.code pre[hidden]{display:none;}
.code code{background:none;border:0;padding:0;color:inherit;font-size:inherit;}

/* 语法着色 */
.t-cmt {color:#6B7787;font-style:italic;}
.t-str {color:#9BDF9B;}
.t-key {color:#7FD3FF;}
.t-num2{color:#F2B482;}
.t-lit {color:#C9A6FF;}
.t-kw  {color:#F286B8;}
.t-fn  {color:#8ED9CF;}
.t-var {color:#F2B482;}
.t-flag{color:#C9A6FF;}
.t-punc{color:#7C8798;}

/* ---------------------------------------------------------- 提示框 */
.note{
  margin:0 0 20px;padding:14px 17px;border-radius:11px;font-size:14.5px;
  background:var(--soft);border:1px solid var(--line);
  border-left:3px solid var(--muted);max-width:78ch;
}
.note b{display:block;margin-bottom:3px;font-size:13.5px;letter-spacing:.01em;}
.note p{margin:0;}
.note p + p{margin-top:7px;}
.note--tip{background:var(--l2-soft);border-color:rgba(11,142,122,.2);
  border-left-color:var(--l2);}
.note--tip b{color:var(--l2);}
.note--warn{background:var(--warn-soft);border-color:rgba(180,83,9,.2);
  border-left-color:var(--warn);}
.note--warn b{color:var(--warn);}
.note--danger{background:var(--danger-soft);border-color:rgba(194,50,59,.2);
  border-left-color:var(--danger);}
.note--danger b{color:var(--danger);}

/* ---------------------------------------------------------- 卡片网格 */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(228px,1fr));
  gap:14px;margin:0 0 26px;}
.cards--2{grid-template-columns:repeat(2,minmax(0,1fr));}
.card{
  display:block;padding:17px 18px;border-radius:var(--radius);
  border:1px solid var(--line);background:var(--paper);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),
             transform .2s var(--ease);
}
a.card:hover{border-color:#CDD3DA;transform:translateY(-2px);
  box-shadow:0 8px 24px rgba(16,24,40,.07);}
.card__tag{
  display:inline-block;padding:2px 8px;border-radius:5px;margin-bottom:9px;
  font-size:11px;font-weight:700;letter-spacing:.06em;
}
.card__tag--l1{color:var(--l1);background:var(--l1-soft);}
.card__tag--l2{color:var(--l2);background:var(--l2-soft);}
.card__tag--l3{color:var(--l3);background:var(--l3-soft);}
.card h3{font-size:15.5px;margin:0 0 5px;}
.card p{font-size:13.5px;line-height:1.65;color:var(--sub);margin:0;}

/* 步骤卡 */
.steps{counter-reset:st;margin:0 0 26px;}
.step{
  position:relative;padding:0 0 24px 42px;
  border-left:1.5px solid var(--line);margin-left:13px;counter-increment:st;
}
.step:last-child{border-left-color:transparent;padding-bottom:0;}
.step::before{
  content:counter(st);position:absolute;left:-14px;top:-2px;
  width:27px;height:27px;border-radius:50%;background:var(--ink);color:#fff;
  font-size:12.5px;font-weight:700;display:grid;place-items:center;line-height:1;
}
.step h3{margin:1px 0 7px;font-size:16.5px;}

/* 键值定义列表 */
.dl{margin:0 0 20px;max-width:78ch;}
.dl > div{display:grid;grid-template-columns:190px 1fr;gap:16px;
  padding:11px 0;border-bottom:1px solid var(--line-soft);}
.dl > div:last-child{border-bottom:0;}
.dl dt{font-family:var(--mono);font-size:13px;color:var(--text);word-break:break-all;}
.dl dd{margin:0;font-size:14px;color:var(--sub);}

.pill{display:inline-block;padding:2px 9px;border-radius:999px;
  font-size:11.5px;font-weight:700;letter-spacing:.04em;}
.pill--l1{color:var(--l1);background:var(--l1-soft);}
.pill--l2{color:var(--l2);background:var(--l2-soft);}
.pill--l3{color:var(--l3);background:var(--l3-soft);}
.pill--soon{color:var(--warn);background:var(--warn-soft);}

/* ---------------------------------------------------------- 翻页 / 页脚 */
.dpager{display:flex;justify-content:space-between;gap:16px;margin-top:64px;}
.dpager a{
  flex:0 1 46%;padding:14px 18px;border-radius:var(--radius);
  border:1px solid var(--line);transition:border-color .2s var(--ease),
  box-shadow .2s var(--ease);
}
.dpager a:hover{border-color:#CDD3DA;box-shadow:0 6px 20px rgba(16,24,40,.06);}
.dpager span{display:block;font-size:12px;color:var(--muted);margin-bottom:2px;}
.dpager b{font-size:15px;}
.dpager__next{text-align:right;}

.dfoot{margin-top:56px;padding-top:22px;border-top:1px solid var(--line);
  font-size:13px;color:var(--muted);}
.dfoot p{max-width:78ch;margin-bottom:12px;}
.dfoot__meta{display:flex;gap:20px;flex-wrap:wrap;align-items:center;}
.dfoot__meta a:hover{color:var(--text);}

.dscrim{position:fixed;inset:var(--nav-h) 0 0;background:rgba(14,17,22,.42);
  z-index:89;backdrop-filter:blur(2px);}

/* ---------------------------------------------------------- 响应式 */
@media (max-width:1320px){
  :root{--toc-w:0px;}
  .dwrap{grid-template-columns:var(--side-w) minmax(0,1fr);}
  .dtoc{display:none;}
  .dmain{padding:34px 44px 72px;}
}
@media (max-width:1080px){
  .dnav__search{max-width:270px;}
  .dnav__links a:not(.dbtn){display:none;}
}
@media (max-width:860px){
  .dnav__toggle{display:flex;}
  .dnav__search{display:none;}
  .dwrap{grid-template-columns:minmax(0,1fr);}
  .dside{
    position:fixed;top:var(--nav-h);left:0;z-index:90;width:296px;
    background:var(--paper);box-shadow:0 20px 50px rgba(16,24,40,.16);
    transform:translateX(-100%);transition:transform .28s var(--ease);
  }
  .dside.is-open{transform:translateX(0);}
  .dmain{padding:26px 22px 60px;}
  .dmain h1{font-size:29px;}
  .dmain .lead{font-size:16px;}
  .dmain h2{font-size:21px;margin-top:44px;}
  .dpager{flex-direction:column;}
  .dpager a{flex:1;}
  .dl > div{grid-template-columns:1fr;gap:3px;}
  .ep{flex-direction:column;align-items:flex-start;gap:7px;}
  .ep__note{margin-left:0;}
  .code pre{font-size:12.5px;padding:14px 15px;}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *{animation-duration:.01ms !important;transition-duration:.01ms !important;}
}