:root {
  --bg: #0e1420;
  --panel: #161d2e;
  --panel-2: #1c2438;
  --line: #27314a;
  --ink: #e8ecf6;
  --muted: #8b94ad;
  --accent: #38e0c0;
  --accent-2: #7cc9ff;
  --warn: #ffb257;
  --err: #ff6b6b;
  --ok: #4ade80;
  --mono: Consolas, "Courier New", "Microsoft YaHei", monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body { height: 100%; }

body {
  display: flex;
  flex-direction: column;
  background: radial-gradient(1200px 500px at 70% -10%, #1a2a4a 0%, var(--bg) 55%) fixed;
  color: var(--ink);
  font: 15px/1.7 "Microsoft YaHei", "PingFang SC", "Segoe UI", sans-serif;
  min-height: 100vh;
}

.wrap { width: min(1120px, 94vw); margin: 0 auto; }
.bar { display: flex; align-items: center; justify-content: space-between; gap: 16px; }

/* ---------- 顶栏 ---------- */
#topbar {
  position: sticky; top: 0; z-index: 20;
  background: rgba(14, 20, 32, .82);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
#topbar .bar { padding: 12px 0; }

.brand {
  font-size: 22px; font-weight: 700; color: var(--ink);
  text-decoration: none; letter-spacing: 1px;
  display: flex; align-items: baseline; gap: 8px;
}
.brand .d { font-size: 13px; font-weight: 500; color: var(--muted); font-family: var(--mono); }

#nav { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
#nav a {
  color: var(--muted); text-decoration: none; font-size: 14px;
  transition: color .15s;
}
#nav a:hover, #nav a.on { color: var(--ink); }
#nav a.on { color: var(--accent); }
#nav .who { font-size: 13px; color: var(--accent-2); margin-right: 4px; }
#nav .pill {
  padding: 6px 13px; border-radius: 999px; font-weight: 600;
}
#nav .pill.ghost { border: 1px solid var(--line); color: var(--ink); }
#nav .pill.ghost:hover { border-color: var(--accent); color: var(--accent); }
#nav .pill.solid { background: var(--accent); color: #06231c; }
#nav .pill.solid:hover { background: #66f2d8; }
#nav .sep { opacity: .45; }

/* ---------- 卡片 / 表单 ---------- */
.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 22px;
}
.sheet { max-width: 420px; margin: 48px auto; }
.sheet h1 { font-size: 22px; margin-bottom: 4px; }
.sheet .sub { color: var(--muted); font-size: 13px; margin-bottom: 18px; }

label { display: block; font-size: 13px; color: var(--muted); margin: 14px 0 6px; }
input[type="email"], input[type="password"], input[type="text"], .codearea {
  width: 100%; padding: 10px 12px;
  background: var(--panel-2); color: var(--ink);
  border: 1px solid var(--line); border-radius: 9px;
  font-size: 14px; outline: none;
}
input:focus, textarea:focus { border-color: var(--accent); }

.btn {
  display: inline-block; padding: 9px 18px;
  border: none; border-radius: 9px; cursor: pointer;
  font-size: 14px; font-weight: 600; text-decoration: none;
  background: var(--accent); color: #06231c;
}
.btn:hover { background: #66f2d8; }
.btn.ghost { background: transparent; color: var(--ink); border: 1px solid var(--line); }
.btn.ghost:hover { border-color: var(--accent); color: var(--accent); }
.btn.danger { background: transparent; color: var(--err); border: 1px solid rgba(255,107,107,.4); }
.btn.block { width: 100%; }
.btn:disabled { opacity: .5; cursor: not-allowed; }

.msg { margin-top: 14px; font-size: 13px; min-height: 20px; }
.msg.ok { color: var(--ok); }
.msg.err { color: var(--err); }
.msg.warn { color: var(--warn); }

.muted { color: var(--muted); }
.small { font-size: 12px; }
.flex { display: flex; gap: 10px; align-items: center; }
.between { justify-content: space-between; }
.mt { margin-top: 16px; }
.mb { margin-bottom: 12px; }

/* ---------- 首页 ---------- */
.hero { padding: 72px 0 36px; text-align: center; }
.hero h1 { font-size: 46px; letter-spacing: 2px; }
.hero h1 b { color: var(--accent); }
.hero p { color: var(--muted); margin-top: 14px; }
.hero .actions { margin-top: 28px; display: flex; gap: 14px; justify-content: center; }

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; padding-bottom: 56px; }
.cards .card h3 { font-size: 16px; margin-bottom: 8px; color: var(--accent-2); }
.cards .card p { color: var(--muted); font-size: 13.5px; }

.sample {
  margin: 0 auto 20px; max-width: 620px; text-align: left;
  background: var(--panel-2); border: 1px solid var(--line);
  border-radius: 12px; padding: 16px 18px;
  font-family: var(--mono); font-size: 13.5px; line-height: 1.9;
  color: #cfd9f0; white-space: pre; overflow-x: auto;
}
.sample .kw { color: #ff9ce6; }
.sample .f { color: #ffb257; }
.sample .s { color: #9ce1a6; }
.sample .c { color: #5d6a88; }

/* ---------- 工作台 ---------- */
.work { display: flex; gap: 16px; align-items: stretch; padding: 22px 0 56px; }
.files {
  width: 240px; flex-shrink: 0; display: flex; flex-direction: column;
}
.files .head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; }
.files ul { list-style: none; overflow: auto; flex: 1; }
.files li {
  display: flex; justify-content: space-between; gap: 8px;
  padding: 9px 10px; border-radius: 8px; cursor: pointer;
  border-left: 3px solid transparent;
}
.files li:hover { background: var(--panel-2); }
.files li.on { background: var(--panel-2); border-left-color: var(--accent); }
.files li .n { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 13px; }
.files li .rm { color: var(--muted); }
.files li.on .rm:hover { color: var(--err); }
.files .empty { color: var(--muted); font-size: 13px; text-align: center; padding: 20px 0; }

.editor-wrap { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 10px; }
.editor-meta { display: flex; gap: 10px; }
.editor-meta input { flex: 1; }
.editor {
  flex: 1; display: flex; border: 1px solid var(--line); border-radius: 12px; overflow: hidden;
  background: var(--panel);
  min-height: 380px;
}
.gutter {
  width: 46px; flex-shrink: 0;
  background: var(--panel-2);
  color: var(--muted); text-align: right;
  font-family: var(--mono); font-size: 13px; line-height: 21px;
  padding: 10px 8px 10px 0; overflow: hidden;
  user-select: none;
  border-right: 1px solid var(--line);
}
.codearea {
  flex: 1; border: none; border-radius: 0;
  background: transparent; resize: none;
  font-family: var(--mono); font-size: 13px; line-height: 21px;
  padding: 10px 14px; white-space: pre;
  tab-size: 4;
}
.editor-actions { display: flex; gap: 10px; align-items: center; }
.editor-actions .spacer { flex: 1; }

.out {
  background: #0a0f18; border: 1px solid var(--line); border-radius: 12px;
  padding: 12px 14px; min-height: 120px; max-height: 300px; overflow: auto;
  font-family: var(--mono); font-size: 13px; line-height: 1.8; white-space: pre-wrap;
  word-break: break-word;
}
.out .ph { color: #4d5870; }
.badges { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 8px; }
.badge {
  font-size: 11px; padding: 2px 9px; border-radius: 999px;
  border: 1px solid var(--line); color: var(--muted);
}
.badge.exit0 { color: var(--ok); border-color: rgba(74,222,128,.4); }
.badge.exitN { color: var(--err); border-color: rgba(255,107,107,.4); }
.badge.killed { color: var(--warn); border-color: rgba(255,178,87,.4); }
.badge.trunc { color: var(--warn); border-color: rgba(255,178,87,.4); }

/* ---------- 列表 ---------- */
table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
th, td { text-align: left; padding: 9px 10px; border-bottom: 1px solid var(--line); }
th { color: var(--muted); font-weight: 500; }
tbody tr:hover td { background: rgba(39,49,74,.35); }

.quota { margin: 6px 0 18px; }
.quota .bar { height: 6px; border-radius: 3px; background: var(--panel-2); overflow: hidden; }
.quota .fill { height: 100%; background: linear-gradient(90deg, var(--accent), var(--accent-2)); }

.role { font-size: 11px; padding: 1px 8px; border-radius: 999px; border: 1px solid var(--accent); color: var(--accent); }
.role.admin { border-color: var(--warn); color: var(--warn); }

/* ---------- 页脚 ---------- */
.foot {
  margin-top: auto; padding: 22px 0 28px;
  border-top: 1px solid var(--line);
  display: flex; justify-content: space-between; gap: 10px;
  color: var(--muted); font-size: 12.5px;
}

/* ---------- toast ---------- */
#toast {
  position: fixed; left: 50%; bottom: 34px; transform: translateX(-50%);
  background: var(--panel-2); color: var(--ink);
  border: 1px solid var(--line); border-radius: 10px;
  padding: 10px 18px; font-size: 13.5px; z-index: 50;
  opacity: 0; pointer-events: none; transition: opacity .2s;
}
#toast.show { opacity: 1; }
#toast.err { border-color: var(--err); }

/* ---------- 首页（官网着陆） ---------- */
.hero { padding: 84px 0 40px; text-align: center; max-width: 780px; margin: 0 auto; }
.kicker {
  display: inline-block; font-size: 13px; color: var(--accent);
  border: 1px solid rgba(56,224,192,.35); border-radius: 999px;
  padding: 5px 14px; margin-bottom: 22px; letter-spacing: .5px;
}
.hero h1 { font-size: 58px; line-height: 1.25; letter-spacing: 2px; }
.hero .lead { color: var(--muted); font-size: 16.5px; margin: 18px auto 0; max-width: 640px; text-align: center; }
.hero .lead code { color: var(--accent); }
.hero .actions { margin-top: 30px; display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.btn.big { padding: 13px 26px; font-size: 15.5px; }
.hero .meta { margin-top: 22px; opacity: .8; }

.code-demo { margin: 26px auto 0; max-width: 660px; }
.demo-tabs { display: flex; gap: 4px; margin-bottom: 12px; }
.demo-tabs span {
  font-size: 12.5px; font-family: var(--mono); color: var(--muted);
  border: 1px solid var(--line); border-bottom: none; border-radius: 9px 9px 0 0;
  padding: 9px 16px; background: var(--panel);
}
.demo-tabs span.on { color: var(--accent); border-color: rgba(56,224,192,.4); background: var(--panel-2); }
.code-demo .sample {
  background: var(--panel); border: 1px solid var(--line); border-radius: 0 12px 12px 12px;
  padding: 18px 20px; font-size: 14px;
}

.feats {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 14px; padding: 56px 0 20px;
}
.feats .feat h3 { font-size: 16px; margin-bottom: 8px; color: var(--accent-2); }
.feats .feat p { color: var(--muted); font-size: 13.5px; }
.feats .feat code { color: var(--accent); }
.feats .feat:hover { border-color: rgba(56,224,192,.4); }

.split {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 14px; padding: 26px 0 60px;
}
.split h2 { font-size: 19px; margin-bottom: 10px; }
.split p { margin-bottom: 16px; }
.split a.btn { margin-right: 4px; }

/* ---------- 快速上手 / 普通页面 ---------- */
.page { padding: 34px; }
.page h1 { font-size: 30px; margin-bottom: 6px; }
.page h2 {
  font-size: 20px; margin: 30px 0 12px; padding-left: 12px;
  border-left: 3px solid var(--accent); color: var(--ink);
}
.page pre {
  background: var(--panel-2); border: 1px solid var(--line); border-radius: 10px;
  padding: 14px 16px; overflow: auto; margin: 12px 0;
}
.page pre code,
.doc-article pre code { font-family: var(--mono); font-size: 13px; line-height: 1.9; }
.page code, .doc-article code {
  font-family: var(--mono); background: rgba(56,224,192,.12);
  color: #7ff0dc; padding: 1.5px 6px; border-radius: 5px; font-size: .92em;
}

/* ---------- 完全手册（docs） ---------- */
.doc-body { display: flex; gap: 26px; padding: 34px 0 60px; align-items: flex-start; }
.doc-toc {
  width: 250px; flex-shrink: 0; position: sticky; top: 74px;
  max-height: calc(100vh - 100px); overflow: auto;
  padding: 4px 6px;
}
.doc-toc-title { font-size: 12px; color: var(--muted); margin: 6px 0 12px; letter-spacing: 2px; }
.doc-toc a { display: block; color: var(--muted); text-decoration: none; font-size: 12.5px; line-height: 1.85; padding: 1px 0; }
.doc-toc a.t2 { font-weight: 600; color: var(--ink); }
.doc-toc a.t3 { padding-left: 14px; }
.doc-toc a:hover { color: var(--accent); }

.doc-article { flex: 1; min-width: 0; max-width: 780px; }
.doc-article h1.cover-h1 { font-size: 32px; margin-bottom: 6px; border-bottom: 1px solid var(--line); padding-bottom: 14px; }
.doc-article h2 {
  font-size: 22px; margin: 38px 0 12px; border-bottom: 1px solid var(--line);
  padding-bottom: 8px; scroll-margin-top: 76px;
}
.doc-article h3 { font-size: 17px; margin: 26px 0 10px; color: var(--accent-2); scroll-margin-top: 76px; }
.doc-article h4, .doc-article h5 { font-size: 15px; margin: 20px 0 8px; scroll-margin-top: 76px; }
.doc-article p { margin: 10px 0; color: #cdd6ee; }
.doc-article blockquote {
  border-left: 3px solid var(--accent); background: rgba(56,224,192,.06);
  padding: 10px 16px; margin: 14px 0; border-radius: 0 10px 10px 0; color: var(--muted);
}
.doc-article blockquote code { color: var(--accent); }
.doc-article pre {
  background: var(--panel-2); border: 1px solid var(--line); border-radius: 10px;
  padding: 14px 16px; overflow: auto; margin: 14px 0;
}
.doc-article ul, .doc-article ol { margin: 10px 0 10px 22px; color: #cdd6ee; }
.doc-article li { margin: 5px 0; }
.doc-article hr { border: none; border-top: 1px solid var(--line); margin: 26px 0; }
.doc-article table { margin: 14px 0; }

@media (max-width: 900px) {
  .doc-body { flex-direction: column; }
  .doc-toc { position: static; width: 100%; max-height: 260px; }
  .hero h1 { font-size: 40px; }
}

/* ---------- 官网静态页（示例/下载/FAQ/更新日志/关于/教程） ---------- */
.page-content { padding: 36px 0 70px; }
.pg-title { font-size: 32px; margin-bottom: 6px; letter-spacing: 1px; }
.pg-title + p, .page-content > p { color: #cdd6ee; margin: 12px 0; max-width: 820px; }
.page-content code {
  font-family: var(--mono); background: rgba(56,224,192,.12);
  color: #7ff0dc; padding: 1.5px 6px; border-radius: 5px; font-size: .92em;
}
.page-content ul, .page-content ol { margin: 12px 0 12px 22px; color: #cdd6ee; }
.page-content li { margin: 6px 0; }
.page-content a { color: var(--accent-2); }
.h-sec {
  font-size: 21px; margin: 40px 0 14px; padding-left: 12px;
  border-left: 3px solid var(--accent); color: var(--ink);
}

/* 示例页 */
.ex-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(330px, 1fr));
  gap: 16px; margin-top: 24px; align-items: start;
}
.ex-card {
  background: var(--panel); border: 1px solid var(--line); border-radius: 12px;
  padding: 16px 18px; display: flex; flex-direction: column;
}
.ex-card:hover { border-color: rgba(56,224,192,.4); }
.ex-head { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 6px; }
.ex-head h3 { font-size: 15px; color: var(--accent-2); font-family: var(--mono); }
.ex-code {
  background: var(--panel-2); border: 1px solid var(--line); border-radius: 8px;
  padding: 12px 14px; overflow: auto; font-size: 12.5px; line-height: 1.85;
  font-family: var(--mono); margin-top: 10px; max-height: 300px;
  color: #cdd6ee; white-space: pre;
}

/* 下载页 */
.cards-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 16px; margin: 24px 0;
}
.card-plain { display: flex; flex-direction: column; gap: 8px; }
.card-plain p { color: #cdd6ee; font-size: 13.5px; }
.card-plain .btn { margin-top: auto; }

/* FAQ */
.faq {
  border: 1px solid var(--line); border-radius: 10px;
  background: var(--panel); margin: 12px 0; overflow: hidden;
}
.faq summary { cursor: pointer; padding: 13px 16px; font-weight: 600; color: var(--ink); list-style: none; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "＋"; float: right; color: var(--accent); }
.faq[open] summary::after { content: "－"; }
.faq summary:hover { color: var(--accent); }
.faq > div { padding: 2px 16px 14px; color: #cdd6ee; font-size: 13.5px; max-width: 820px; }

/* 更新日志 */
.timeline { margin-top: 26px; border-left: 2px solid var(--line); padding-left: 22px; }
.t-item { position: relative; margin-bottom: 30px; }
.t-item::before {
  content: ""; position: absolute; left: -29px; top: 6px;
  width: 12px; height: 12px; border-radius: 50%;
  background: var(--bg); border: 3px solid var(--accent);
}
.t-ver { font-size: 15px; font-weight: 700; color: var(--accent-2); margin-bottom: 8px; }

/* 页脚（官网静态页） */
.site-foot {
  border-top: 1px solid var(--line); padding: 40px 0 30px;
  background: rgba(14,20,32,.6); margin-top: auto;
}
.site-foot .wrap { max-width: 960px; }
.foot-grid {
  display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 24px;
  padding-bottom: 24px;
}
.foot-grid a { display: block; color: var(--muted); text-decoration: none; font-size: 13px; line-height: 2.1; }
.foot-grid a:hover { color: var(--accent); }
.foot-h { font-size: 12px; color: var(--muted); letter-spacing: 2px; margin-bottom: 8px; }
.foot-muted {
  border-top: 1px solid var(--line); padding-top: 16px;
  color: var(--muted); font-size: 12px;
}
@media (max-width: 760px) {
  .foot-grid { grid-template-columns: 1fr 1fr; }
  .ex-grid { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
  .work { flex-direction: column; }
  .files { width: 100%; }
  .files ul { max-height: 160px; }
  .hero h1 { font-size: 34px; }
}