/* ==================== 主题变量 ==================== */
:root {
  --bg: #f6f4ee; --bg2: #efece3; --card: #ffffff;
  --ink: #27282b; --muted: #6b7078; --line: #e4e0d6; --line2: #c9c3b4;
  --accent: #3b5bdb; --accent2: #d97706; --accent-ink: #ffffff; --accent-soft: #eceffb;
  --ok: #1a7f37; --ok-soft: #e6f4ea; --warn: #9a6700; --warn-soft: #fff3d6;
  --err: #cf222e; --err-soft: #fdebec;
  --code-bg: #1c2129; --code-ink: #d5dae3; --code-h: #262d38;
  --sh: 0 1px 2px rgba(20, 22, 25, .05), 0 8px 24px rgba(20, 22, 25, .06);
  --sans: "Segoe UI", "Microsoft YaHei", "PingFang SC", system-ui, sans-serif;
  --mono: "Cascadia Code", Consolas, "JetBrains Mono", "Courier New", monospace;
}
[data-theme="dark"] {
  --bg: #0f1115; --bg2: #151923; --card: #161a22;
  --ink: #e6e8ec; --muted: #98a1b0; --line: #272d38; --line2: #3a4250;
  --accent: #7c93f7; --accent2: #e8a54b; --accent-ink: #0f1115; --accent-soft: #1b2340;
  --ok: #57ab5a; --ok-soft: #12261e; --warn: #d4a72c; --warn-soft: #2a2213;
  --err: #f85149; --err-soft: #30191b;
  --code-bg: #0b0e14; --code-ink: #ccd4e0; --code-h: #131823;
  --sh: 0 1px 2px rgba(0, 0, 0, .3), 0 8px 24px rgba(0, 0, 0, .35);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; font-family: var(--sans); background: var(--bg); color: var(--ink);
  font-size: 15.5px; line-height: 1.8; -webkit-font-smoothing: antialiased;
}
::selection { background: var(--accent-soft); color: var(--accent); }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
code { font-family: var(--mono); font-size: .88em; background: var(--bg2); border: 1px solid var(--line); border-radius: 5px; padding: 1px 6px; white-space: nowrap; }

/* ==================== 顶栏 ==================== */
#topbar {
  position: fixed; top: 0; left: 0; right: 0; height: 56px; z-index: 50;
  display: flex; align-items: center; gap: 14px; padding: 0 18px;
  background: color-mix(in srgb, var(--bg) 86%, transparent);
  backdrop-filter: blur(10px); border-bottom: 1px solid var(--line);
}
#menu-btn {
  display: none; width: 38px; height: 38px; border: 1px solid var(--line2); border-radius: 9px;
  background: var(--card); color: var(--ink); font-size: 18px; cursor: pointer; line-height: 1;
}
#menu-btn:hover { border-color: var(--accent); color: var(--accent); }
.brand { display: flex; flex-direction: column; line-height: 1.25; text-decoration: none !important; }
.brand .b1 { font-weight: 800; font-size: 16px; color: var(--ink); letter-spacing: 1px; }
.brand .b2 { font-size: 11px; color: var(--muted); letter-spacing: .5px; }
.tb-right { margin-left: auto; display: flex; align-items: center; gap: 10px; }
#search {
  width: 300px; height: 36px; padding: 0 14px; border-radius: 9px;
  border: 1px solid var(--line2); background: var(--card); color: var(--ink);
  font-size: 13px; outline: none; font-family: var(--sans);
}
#search:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
#theme-btn {
  width: 38px; height: 38px; border-radius: 9px; border: 1px solid var(--line2);
  background: var(--card); color: var(--ink); cursor: pointer; font-size: 15px;
}
#theme-btn:hover { border-color: var(--accent); color: var(--accent); }

/* ==================== 布局 ==================== */
#layout { display: flex; padding-top: 56px; min-height: 100vh; }
#sidebar {
  width: 292px; flex: none; position: sticky; top: 56px; height: calc(100vh - 56px);
  overflow-y: auto; border-right: 1px solid var(--line); background: var(--bg2);
  padding: 18px 14px 24px; scrollbar-width: thin;
}
#sidebar::-webkit-scrollbar { width: 6px; }
#sidebar::-webkit-scrollbar-thumb { background: var(--line2); border-radius: 3px; }
#content { flex: 1; min-width: 0; padding: 34px 44px 90px; }
#content > * { max-width: 860px; margin-left: auto; margin-right: auto; }

/* ==================== 侧边导航 ==================== */
.nav-home { display: flex; flex-direction: column; gap: 2px; margin-bottom: 18px; }
.nav-home a {
  display: block; padding: 8px 12px; border-radius: 8px; color: var(--ink);
  font-size: 13.5px; font-weight: 600; background: var(--card); border: 1px solid var(--line);
}
.nav-home a:hover { border-color: var(--accent); text-decoration: none; }
.nav-group { margin-bottom: 16px; }
.nav-group-h {
  display: flex; align-items: center; gap: 8px; padding: 4px 8px 8px;
  font-size: 13px; font-weight: 700; letter-spacing: .5px;
}
.nav-group-h em { margin-left: auto; font-style: normal; font-size: 10.5px; color: var(--muted); font-weight: 400; }
.dot { width: 9px; height: 9px; border-radius: 50%; flex: none; }
.dot.creational { background: #087f8c; } .dot.structural { background: #b45309; } .dot.behavioral { background: #6d28d9; }
.nav-item {
  display: flex; align-items: center; gap: 6px; padding: 6px 10px 6px 12px; border-radius: 8px;
  color: var(--ink); border: 1px solid transparent; margin-bottom: 2px;
}
.nav-item:hover { background: var(--card); border-color: var(--line); text-decoration: none; }
.nav-item.active { background: var(--accent-soft); border-color: var(--accent); }
.nav-item.active .nz { color: var(--accent); font-weight: 700; }
.nav-item .txt { display: flex; flex-direction: column; line-height: 1.3; min-width: 0; }
.nav-item .nz { font-size: 13.5px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.nav-item .ne { font-size: 10.5px; color: var(--muted); }
.nav-item .rd { margin-left: auto; width: 8px; height: 8px; border-radius: 50%; flex: none; border: 1px solid var(--line2); }
.nav-item.read .rd { background: var(--ok); border-color: var(--ok); }
.nav-item.hide, .nav-group.hide, .nav-home.hide { display: none; }
.nav-foot {
  position: sticky; top: calc(100vh - 110px); margin-top: 20px; padding: 12px;
  background: var(--card); border: 1px solid var(--line); border-radius: 10px; font-size: 12px; color: var(--muted);
}
.nav-progress { height: 6px; background: var(--bg2); border-radius: 3px; overflow: hidden; margin-top: 6px; }
.nav-progress i { display: block; height: 100%; width: 0; background: var(--ok); border-radius: 3px; transition: width .4s; }
.nav-tip { color: var(--muted); font-size: 13px; padding: 10px; }
#mask { display: none; }

/* ==================== 模式页 ==================== */
article.pat { animation: fadein .35s ease; }
@keyframes fadein { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
.crumb { font-size: 12.5px; color: var(--muted); margin-bottom: 14px; }
.crumb a { color: var(--muted); } .crumb a:hover { color: var(--accent); }
.hero {
  background: var(--card); border: 1px solid var(--line); border-radius: 16px;
  padding: 30px 34px 26px; box-shadow: var(--sh); position: relative; overflow: hidden;
}
.hero::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 5px; background: linear-gradient(180deg, var(--accent), var(--accent2)); }
.hero-top { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 12px; }
.cat-chip {
  font-size: 11.5px; font-weight: 700; padding: 2px 10px; border-radius: 20px; letter-spacing: .5px;
  color: #fff;
}
.cat-chip.creational { background: #087f8c; } .cat-chip.structural { background: #b45309; } .cat-chip.behavioral { background: #6d28d9; }
.stars { color: var(--accent2); font-size: 13px; letter-spacing: 2px; }
.stars em { font-style: normal; color: var(--muted); font-size: 11px; letter-spacing: 0; margin-left: 4px; }
.read-btn {
  margin-left: auto; height: 30px; padding: 0 14px; border-radius: 15px; cursor: pointer;
  border: 1px solid var(--line2); background: var(--bg2); color: var(--ink); font-size: 12.5px;
}
.read-btn:hover { border-color: var(--ok); color: var(--ok); }
.read-btn.on { background: var(--ok-soft); border-color: var(--ok); color: var(--ok); }
.hero h1 { margin: 4px 0 0; font-size: 34px; line-height: 1.25; letter-spacing: 1px; }
.hero h1 .en { display: block; font-size: 15px; color: var(--accent); letter-spacing: 2px; margin-top: 6px; font-weight: 600; }
.intent {
  margin-top: 20px; font-size: 17px; line-height: 1.7;
  background: var(--accent-soft); border-left: 4px solid var(--accent);
  padding: 12px 18px; border-radius: 0 10px 10px 0;
}
.hook { margin-top: 12px; color: var(--muted); font-size: 14px; }
.hook::before { content: "❝"; color: var(--accent2); margin-right: 6px; font-size: 16px; }

.sec { margin-top: 42px; }
.sec > h2 {
  font-size: 21px; margin: 0 0 14px; padding-bottom: 10px; border-bottom: 1px solid var(--line);
  display: flex; align-items: baseline; gap: 10px; letter-spacing: .5px;
}
.sec > h2 i { font-style: normal; font-size: 12px; color: var(--accent); font-family: var(--mono); letter-spacing: 1px; }
.sec h3 { font-size: 15.5px; margin: 18px 0 8px; color: var(--ink); }
.sec p { margin: 10px 0; }
.analogy {
  background: linear-gradient(135deg, var(--warn-soft), transparent 60%);
  border: 1px solid var(--line); border-radius: 12px; padding: 16px 22px; font-size: 15.5px;
}
.note, .warn, .tip {
  border: 1px solid var(--line); border-radius: 10px; padding: 12px 16px; margin: 14px 0; font-size: 14px;
  background: var(--card);
}
.note { border-left: 4px solid var(--accent); }
.warn { border-left: 4px solid var(--warn); background: var(--warn-soft); }
.tip { border-left: 4px solid var(--ok); background: var(--ok-soft); }
.note b, .warn b, .tip b { margin-right: 4px; }

table.roles, table.tbl {
  width: 100%; border-collapse: collapse; font-size: 14px; margin: 12px 0;
  background: var(--card); border: 1px solid var(--line); border-radius: 10px; overflow: hidden;
}
table.roles th, table.tbl th {
  text-align: left; padding: 9px 14px; background: var(--bg2); font-size: 13px; letter-spacing: .5px;
  border-bottom: 1px solid var(--line);
}
table.roles td, table.tbl td { padding: 9px 14px; border-bottom: 1px solid var(--line); vertical-align: top; }
table.roles tr:last-child td, table.tbl tr:last-child td { border-bottom: none; }
table.roles td:first-child { white-space: nowrap; font-weight: 600; }

.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin: 14px 0; }
.pc { border: 1px solid var(--line); border-radius: 10px; padding: 14px 18px; background: var(--card); }
.pc h3 { margin: 0 0 8px; font-size: 14.5px; }
.pc ul { margin: 0; padding-left: 20px; }
.pc li { margin: 4px 0; font-size: 14px; }
.pc.pros { border-top: 3px solid var(--ok); }
.pc.cons { border-top: 3px solid var(--err); }
.usewhen {
  border: 1px dashed var(--line2); border-radius: 10px; padding: 14px 18px; margin: 14px 0;
  background: var(--bg2);
}
.usewhen h3 { margin: 0 0 8px; font-size: 14px; color: var(--accent); }
.usewhen ul { margin: 0; padding-left: 20px; }
.usewhen li { margin: 5px 0; font-size: 14px; }

.related { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 12px; }
.rel-card {
  display: flex; flex-direction: column; gap: 4px; padding: 13px 16px; border: 1px solid var(--line);
  border-radius: 10px; background: var(--card); color: var(--ink);
}
.rel-card:hover { border-color: var(--accent); text-decoration: none; transform: translateY(-2px); transition: .15s; }
.rel-card b { font-size: 14.5px; color: var(--accent); }
.rel-card span { font-size: 13px; color: var(--muted); line-height: 1.6; }

.pager { display: flex; gap: 12px; margin-top: 48px; }
.pg-btn {
  flex: 1; border: 1px solid var(--line); border-radius: 10px; padding: 14px 18px;
  background: var(--card); color: var(--ink); line-height: 1.5;
}
.pg-btn:hover { border-color: var(--accent); text-decoration: none; }
.pg-btn small { display: block; color: var(--muted); font-size: 11.5px; margin-bottom: 2px; }
.pg-btn.next { text-align: right; }

/* ==================== 代码块 ==================== */
.codeblk { margin: 16px 0; border-radius: 12px; overflow: hidden; border: 1px solid var(--code-h); box-shadow: var(--sh); }
.code-h {
  display: flex; align-items: center; padding: 7px 14px; background: var(--code-h);
  color: #9aa3b2; font-size: 12.5px; font-family: var(--mono);
}
.code-h .fn { font-weight: 600; }
.code-h .copy {
  margin-left: auto; height: 26px; padding: 0 12px; border-radius: 6px; border: 1px solid #3a4250;
  background: transparent; color: #9aa3b2; font-size: 12px; cursor: pointer; font-family: var(--sans);
}
.code-h .copy:hover { color: #fff; border-color: #7c93f7; }
pre.code {
  margin: 0; padding: 18px 20px; background: var(--code-bg); overflow-x: auto;
  font-family: var(--mono); font-size: 13px; line-height: 1.7; color: var(--code-ink);
}
pre.code code { background: none; border: none; padding: 0; font-size: inherit; white-space: pre; }
.c-kw { color: #c678dd; } .c-str { color: #98c379; } .c-com { color: #7f8483; font-style: italic; }
.c-num { color: #d19a66; } .c-type { color: #e5c07b; }
.code-out { margin: 12px 0 16px; border: 1px dashed var(--line2); border-radius: 10px; overflow: hidden; }
.code-out .co-h { padding: 6px 14px; background: var(--bg2); font-size: 12px; color: var(--muted); letter-spacing: 1px; }
.code-out pre { margin: 0; padding: 12px 16px; font-family: var(--mono); font-size: 12.5px; color: var(--ok); background: var(--card); white-space: pre-wrap; }
pre.mini-code {
  background: var(--bg2); border: 1px solid var(--line2); border-radius: 8px; padding: 12px 16px;
  font-family: var(--mono); font-size: 12.5px; line-height: 1.7; overflow-x: auto; color: var(--ink);
}
pre.mini-code.bad { border-color: var(--err); background: var(--err-soft); }
pre.mini-code code { background: none; border: none; padding: 0; font-size: inherit; white-space: pre; }

/* ==================== 结构图（.dg） ==================== */
.dg {
  display: flex; align-items: center; justify-content: center; flex-wrap: wrap;
  gap: 0; margin: 18px 0; padding: 14px 10px; background: var(--card);
  border: 1px dashed var(--line2); border-radius: 12px;
}
.dg.v { flex-direction: column; align-items: center; }
.dg-box {
  min-width: 150px; max-width: 240px; border: 1.5px solid var(--line2); border-radius: 8px;
  background: var(--card); overflow: hidden; text-align: center;
}
.dg-box .t { font-weight: 700; font-size: 13.5px; padding: 7px 12px; background: var(--bg2); border-bottom: 1px solid var(--line); font-family: var(--mono); }
.dg-box .l { font-size: 11.5px; color: var(--muted); padding: 3px 12px; border-top: 1px dashed var(--line); font-family: var(--mono); }
.dg-box .l:first-child { border-top: none; }
.dg-box.itf .t::before { content: "«interface»"; display: block; font-size: 10px; color: var(--accent); font-weight: 400; font-style: italic; letter-spacing: .5px; }
.dg-box.abs .t::before { content: "«abstract»"; display: block; font-size: 10px; color: var(--warn); font-weight: 400; font-style: italic; letter-spacing: .5px; }
.dg-box.hi { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.dg-arr { display: flex; align-items: center; gap: 5px; padding: 2px 10px; color: var(--muted); }
.dg-arr .lab { font-size: 11px; background: var(--bg2); border: 1px solid var(--line); border-radius: 4px; padding: 0 6px; white-space: nowrap; }
.dg-arr .line { min-width: 16px; height: 0; border-top: 2px dashed var(--line2); }
.dg-arr .head { width: 0; height: 0; border-left: 8px solid var(--line2); border-top: 5px solid transparent; border-bottom: 5px solid transparent; }
.dg.v .dg-arr { flex-direction: column; padding: 3px 0; }
.dg.v .dg-arr .line { min-width: 0; width: 0; height: 20px; border-top: none; border-left: 2px dashed var(--line2); }
.dg.v .dg-arr .head { border-left: 5px solid transparent; border-right: 5px solid transparent; border-top: 8px solid var(--line2); border-bottom: none; }
.dg-note { font-size: 12.5px; color: var(--muted); margin-top: 8px; text-align: center; }

/* ==================== 交互演示区 ==================== */
.demo { border: 1.5px dashed var(--line2); border-radius: 14px; margin: 16px 0; overflow: hidden; background: var(--card); }
.demo-bar {
  display: flex; align-items: center; gap: 8px; padding: 8px 16px; background: var(--code-h);
  color: #cdd5e0; font-size: 13px; font-weight: 600; letter-spacing: 1px;
}
.demo-bar .demo-reset {
  margin-left: auto; height: 26px; padding: 0 12px; border-radius: 6px; border: 1px solid #3a4250;
  background: transparent; color: #9aa3b2; font-size: 12px; cursor: pointer; font-family: var(--sans);
}
.demo-bar .demo-reset:hover { color: #fff; border-color: #7c93f7; }
.demo-stage { padding: 20px; min-height: 60px; }
.demo-hint { padding: 10px 18px; border-top: 1px dashed var(--line); background: var(--bg2); color: var(--muted); font-size: 13px; }
.demo-hint::before { content: "提示"; display: inline-block; font-size: 11px; font-weight: 700; color: var(--accent); border: 1px solid var(--accent); border-radius: 4px; padding: 0 5px; margin-right: 8px; }
.demo-err { margin: 10px; padding: 10px 14px; border-radius: 8px; background: var(--err-soft); color: var(--err); font-size: 13px; }
.demo-btn {
  height: 34px; padding: 0 16px; border-radius: 8px; border: 1.5px solid var(--accent);
  background: var(--card); color: var(--accent); font-size: 13.5px; font-weight: 600;
  cursor: pointer; font-family: var(--sans); transition: all .15s;
}
.demo-btn:hover { background: var(--accent-soft); }
.demo-btn.primary { background: var(--accent); color: var(--accent-ink); }
.demo-btn.primary:hover { filter: brightness(1.08); }
.demo-btn.ghost { border-color: var(--line2); color: var(--ink); font-weight: 500; }
.demo-btn.ghost:hover { border-color: var(--accent); color: var(--accent); background: var(--card); }
.demo-btn:disabled { opacity: .45; cursor: not-allowed; }
.ctrl { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin: 10px 0; }
.demo-sel {
  height: 34px; padding: 0 10px; border-radius: 8px; border: 1.5px solid var(--line2);
  background: var(--card); color: var(--ink); font-size: 13px; font-family: var(--sans); outline: none;
}
.demo-log {
  margin: 12px 0 2px; background: var(--code-bg); border-radius: 10px; border: 1px solid var(--code-h);
  font-family: var(--mono); font-size: 12.5px; line-height: 1.8; color: var(--code-ink);
}
.demo-log .log-body { max-height: 230px; overflow-y: auto; padding: 10px 14px; }
.demo-log .e { padding: 1px 10px; border-left: 3px solid transparent; border-radius: 2px; margin: 1px 0; word-break: break-all; }
.demo-log .t-info { color: #b6c2d4; }
.demo-log .t-ok { color: #7ee787; border-left-color: #238636; }
.demo-log .t-warn { color: #e3b341; border-left-color: #9e6a03; }
.demo-log .t-err { color: #ff8182; border-left-color: #da3633; }
.demo-log .t-dim { color: #6e7681; }
.chip {
  display: inline-flex; align-items: center; height: 24px; padding: 0 10px; border-radius: 12px;
  font-size: 11.5px; font-weight: 600; background: var(--bg2); border: 1px solid var(--line2); color: var(--ink);
}
.chip.ok { background: var(--ok-soft); border-color: var(--ok); color: var(--ok); }
.chip.warn { background: var(--warn-soft); border-color: var(--warn); color: var(--warn); }
.chip.err { background: var(--err-soft); border-color: var(--err); color: var(--err); }
.chip.mut { color: var(--muted); }
.stat { display: inline-flex; flex-direction: column; align-items: center; min-width: 74px; padding: 8px 14px; background: var(--bg2); border: 1px solid var(--line); border-radius: 10px; margin: 4px; }
.stat b { font-size: 22px; line-height: 1.2; font-family: var(--mono); color: var(--accent); }
.stat span { font-size: 11.5px; color: var(--muted); }
.obj-card { border: 1.5px solid var(--line2); border-radius: 10px; overflow: hidden; background: var(--card); min-width: 150px; }
.obj-card .t { padding: 6px 12px; background: var(--bg2); font-weight: 700; font-size: 13px; border-bottom: 1px solid var(--line); font-family: var(--mono); }
.obj-card .f { padding: 3px 12px; font-size: 12px; color: var(--muted); border-top: 1px dashed var(--line); font-family: var(--mono); }
.cards { display: flex; flex-wrap: wrap; gap: 10px; margin: 10px 0; }
.col2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin: 10px 0; }
.zone { border: 1px solid var(--line); border-radius: 12px; padding: 14px 16px; background: var(--bg2); }
.zone .z-h { font-size: 13.5px; font-weight: 700; margin-bottom: 8px; }

/* ==================== 导读 / 速查表 ==================== */
.ov-hero {
  background: linear-gradient(135deg, var(--accent-soft), var(--card) 65%);
  border: 1px solid var(--line); border-radius: 16px; padding: 34px 38px; box-shadow: var(--sh);
}
.ov-hero h1 { margin: 0 0 10px; font-size: 32px; letter-spacing: 1px; }
.ov-hero .sub { color: var(--muted); font-size: 15px; }
.ov-hero .stats { display: flex; gap: 26px; margin-top: 20px; flex-wrap: wrap; }
.ov-hero .stats .s { display: flex; flex-direction: column; }
.ov-hero .stats .s b { font-size: 24px; color: var(--accent); font-family: var(--mono); }
.ov-hero .stats .s span { font-size: 12.5px; color: var(--muted); }
.pmap { margin: 16px 0; }
.pmap-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 12px; margin-top: 12px; }
.pmap-card {
  display: flex; flex-direction: column; gap: 4px; padding: 14px 16px; border: 1px solid var(--line);
  border-radius: 12px; background: var(--card); color: var(--ink); position: relative;
}
.pmap-card:hover { border-color: var(--accent); text-decoration: none; transform: translateY(-2px); box-shadow: var(--sh); transition: .15s; }
.pmap-card .pm-t { display: flex; align-items: center; gap: 8px; }
.pmap-card .pm-zh { font-weight: 700; font-size: 15.5px; }
.pmap-card .pm-en { font-size: 11.5px; color: var(--muted); }
.pmap-card .pm-int { font-size: 12.5px; color: var(--muted); line-height: 1.6; }
.pmap-card .pm-lv { font-size: 11px; color: var(--accent2); letter-spacing: 1px; }
.pmap-card.read::after {
  content: "✓ 已读"; position: absolute; top: 10px; right: 10px; font-size: 10.5px;
  color: var(--ok); border: 1px solid var(--ok); border-radius: 4px; padding: 0 5px;
}
.cs-table { width: 100%; border-collapse: collapse; font-size: 13.5px; background: var(--card); border: 1px solid var(--line); border-radius: 12px; overflow: hidden; margin-top: 14px; }
.cs-table th { text-align: left; padding: 10px 14px; background: var(--bg2); border-bottom: 1px solid var(--line); font-size: 12.5px; letter-spacing: .5px; }
.cs-table td { padding: 9px 14px; border-bottom: 1px solid var(--line); vertical-align: top; }
.cs-table tr:last-child td { border-bottom: none; }
.cs-table td.n { white-space: nowrap; font-weight: 700; }
.cs-cat-row td { background: var(--bg2); font-weight: 700; font-size: 13px; color: var(--accent); letter-spacing: 1px; }

/* ==================== 响应式 ==================== */
@media (max-width: 1100px) {
  #search { width: 180px; }
  #content { padding: 28px 26px 80px; }
}
@media (max-width: 960px) {
  #menu-btn { display: block; }
  #sidebar {
    position: fixed; left: 0; top: 56px; bottom: 0; z-index: 40; width: 280px;
    transform: translateX(-105%); transition: transform .25s ease; box-shadow: var(--sh);
  }
  #sidebar.open { transform: none; }
  #mask.show { display: block; position: fixed; inset: 0; top: 56px; z-index: 39; background: rgba(0, 0, 0, .35); }
  #search { width: 130px; }
  .brand .b2 { display: none; }
  .col2, .grid2 { grid-template-columns: 1fr; }
  .hero h1 { font-size: 27px; }
  .hero { padding: 24px 22px; }
  #content { padding: 22px 16px 70px; }
  #search { display: none; }
}