/* ============================================================
   瓷脉 · 全站组件库 kit.css
   ------------------------------------------------------------
   唯一真源：分类/筛选、色块、图片带、页脚、平台配置面板、明暗与主题色。
   规则：
   1. 本文件在每页页面内联 <style> 之后加载，同权重时本文件胜出。
   2. 页面里不得再写 .flt/.chip/.art/.site-ft/.st-* 规则。
   3. 断点与状态规则（data-night / data-accent）写在文件末尾。
   ============================================================ */

/* ---------- 1. 设计令牌 ---------- */
:root {
  --jade: #2c6a5b;
  --deep: #1e4d41;
  --paper: #f7f5f0;
  --card: #ffffff;
  --line: #e0dbce;
  --ink: #1a201d;
  --ink2: #4a544f;
  --ink3: #8b938e;
  --ym-zoom: 1;
  --tint: #f2f8f5;
  --tint-line: #bcd8c9;
}

/* 主题色（色彩）——四档，均可与明暗组合 */
:root[data-accent="celadon"] { --jade: #2c6a5b; --deep: #1e4d41; --tint: #f2f8f5; --tint-line: #bcd8c9; }
:root[data-accent="tianqing"] { --jade: #2f6a86; --deep: #1d4a61; --tint: #eef4f9; --tint-line: #b7cfe0; }
:root[data-accent="zhusha"] { --jade: #a34b3c; --deep: #7a3226; --tint: #fbf1ee; --tint-line: #e3c0b7; }
:root[data-accent="xuan"] { --jade: #4a5157; --deep: #262b2e; --tint: #f1f2f3; --tint-line: #c8cdd1; }

/* 字号：整页等比缩放，不改各自页面内的 px 尺寸 */
body { zoom: var(--ym-zoom); }

/* ---------- 2. 导航右侧「平台配置」按钮 ---------- */
.site-nav .sn-in { position: relative; }
.site-nav .sn-tools { flex: 0 0 auto; display: flex; align-items: center; gap: 4px; }
.site-nav .sn-set {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  height: 32px; padding: 0 10px; border-radius: 7px; cursor: pointer;
  border: 1px solid var(--line, #e0dbce); background: transparent;
  color: var(--ink2, #4a544f); font-size: 13px; font-weight: 500; line-height: 1;
  font-family: inherit; transition: background .16s ease, color .16s ease, border-color .16s ease;
}
.site-nav .sn-set:hover { background: #eae5da; color: var(--ink, #1a201d); border-color: #d6cfbe; }
.site-nav .sn-set svg { flex: 0 0 15px; width: 15px; height: 15px; display: block; }
.site-nav .sn-set span { white-space: nowrap; }

/* ---------- 3. 配置面板 ---------- */
.st-pop {
  position: absolute; top: calc(100% + 10px); right: 0; width: 320px;
  background: var(--card); border: 1px solid var(--line); border-radius: 14px;
  box-shadow: 0 18px 48px rgba(18, 28, 24, .18), 0 2px 6px rgba(18, 28, 24, .06);
  padding: 6px 0 10px; z-index: 90;
  animation: st-in .16s cubic-bezier(.22, .8, .3, 1);
}
@keyframes st-in { from { opacity: 0; transform: translateY(-6px) scale(.99); } to { opacity: 1; transform: none; } }
.st-pop[hidden] { display: none; }
.st-hd { display: flex; align-items: center; padding: 12px 16px 8px; }
.st-hd b { font-size: 13.5px; letter-spacing: .3px; }
.st-hd em { font-style: normal; font-size: 11px; color: var(--ink3); margin-left: 8px; }
.st-x {
  margin-left: auto; width: 26px; height: 26px; border: none; border-radius: 6px; cursor: pointer;
  background: transparent; color: var(--ink3); font-size: 17px; line-height: 1; font-family: inherit;
}
.st-x:hover { background: var(--tint); color: var(--ink); }
.st-sec { padding: 9px 16px 11px; }
.st-sec + .st-sec { border-top: 1px solid var(--line); }
.st-lb { display: flex; align-items: baseline; gap: 8px; font-size: 11.5px; color: var(--ink3); letter-spacing: .6px; margin-bottom: 8px; }
.st-lb em { font-style: normal; font-size: 10.5px; opacity: .78; letter-spacing: 0; }
.st-seg { display: flex; gap: 6px; flex-wrap: wrap; }
.st-seg button {
  flex: 1 1 0; min-width: 62px; height: 32px; padding: 0 8px; cursor: pointer;
  border: 1px solid var(--line); border-radius: 8px; background: transparent;
  color: var(--ink2); font-size: 12.5px; font-family: inherit; line-height: 1;
  white-space: nowrap; transition: .14s;
}
.st-seg button:hover { border-color: var(--jade); color: var(--jade); }
.st-seg button.on { background: var(--jade); border-color: var(--jade); color: #fff; font-weight: 600; }
.st-seg.sw { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; }
.st-seg.sw button { flex: none; min-width: 0; width: 100%; padding: 0 8px; }
.st-seg.sw button i {
  display: inline-block; width: 13px; height: 13px; border-radius: 50%;
  border: 1px solid rgba(0, 0, 0, .18); vertical-align: -2px; margin-right: 5px;
}
.st-ft { padding: 8px 16px 0; font-size: 11px; color: var(--ink3); line-height: 1.6; }

/* ---------- 4. 分类 / 筛选面板（全站统一） ---------- */
.flt {
  background: var(--card); border: 1px solid var(--line); border-radius: 12px;
  padding: 2px 0; margin: 16px 0 18px; overflow: hidden;
}
.flt-row { display: flex; align-items: flex-start; gap: 14px; padding: 11px 16px; }
.flt-row + .flt-row { border-top: 1px dashed var(--line); }
.flt-lb {
  flex: 0 0 56px; padding-top: 7px; font-size: 11.5px; letter-spacing: .6px;
  color: var(--ink3); line-height: 1.4;
}
.flt-opts { display: flex; flex-wrap: wrap; gap: 7px; flex: 1; min-width: 0; }
.flt-note { font-size: 12px; color: var(--ink3); padding: 0 16px 11px; line-height: 1.6; }

.chip {
  display: inline-flex; align-items: center; gap: 6px;
  height: 30px; padding: 0 12px; border-radius: 8px; cursor: pointer;
  border: 1px solid var(--line); background: transparent; color: var(--ink2);
  font-size: 12.5px; font-family: inherit; line-height: 1; white-space: nowrap;
  transition: background .14s, border-color .14s, color .14s;
  -webkit-tap-highlight-color: transparent;
}
.chip:hover { border-color: var(--jade); color: var(--jade); }
.chip:focus-visible { outline: 2px solid var(--jade); outline-offset: 1px; }
.chip.on { background: var(--jade); border-color: var(--jade); color: #fff; font-weight: 600; }
.chip b, .chip i {
  font-style: normal; font-family: var(--mono, ui-monospace, Menlo, monospace);
  font-size: 11px; font-weight: 600; opacity: .6;
}
.chip.on b, .chip.on i { opacity: .82; }
.chip.sub { border-style: dashed; font-size: 12px; }
.chip.dim { opacity: .55; }

/* 一行式摘要条：四类/釉系/状态总览 */
.sum { display: grid; grid-template-columns: repeat(auto-fit, minmax(104px, 1fr)); gap: 9px; margin: 0 0 4px; }
.sum .s { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 10px 13px; }
.sum .s b { display: block; font-size: 19px; font-weight: 700; letter-spacing: -.6px; font-family: var(--mono, ui-monospace, Menlo, monospace); }
.sum .s i { font-style: normal; font-size: 11px; color: var(--ink3); }

/* ---------- 5. 通栏图片带 ---------- */
.art { margin: 0 0 22px; }
.art img {
  display: block; width: 100%; height: auto; aspect-ratio: 1920 / 600;
  object-fit: cover; border-radius: 12px; background: #e8e4d9;
}
.art figcaption {
  font-size: 11.5px; color: var(--ink3); margin-top: 7px; line-height: 1.6;
}
.art.tight { margin-bottom: 16px; }
.art.tight figcaption { display: none; }

/* 图片 + 文案 双栏（窄屏自动叠） */
.art2 { display: grid; grid-template-columns: 1.15fr .85fr; gap: 22px; align-items: center; margin-bottom: 22px; }
.art2 .art { margin: 0; }
.art2 .tx { font-size: 13px; color: var(--ink2); line-height: 1.75; }
.art2 .tx b { color: var(--ink); }
@media (max-width: 720px) { .art2 { grid-template-columns: 1fr; gap: 12px; } }

/* ---------- 6. 页脚 ---------- */
.site-ft {
  border-top: 1px solid var(--line); background: var(--paper);
  margin-top: 44px; padding: 26px 0 30px;
}
.site-ft .ft-in {
  max-width: 1080px; margin: 0 auto; padding: 0 18px;
  display: flex; flex-wrap: wrap; gap: 16px 30px; align-items: flex-start; justify-content: space-between;
}
.site-ft .ft-brand { font-size: 13.5px; font-weight: 700; letter-spacing: .4px; }
.site-ft .ft-brand em { font-style: normal; font-size: 10px; font-weight: 500; letter-spacing: 1.2px; color: var(--ink3); margin-left: 8px; }
.site-ft .ft-tx { font-size: 11.5px; color: var(--ink3); line-height: 1.7; margin-top: 5px; max-width: 420px; }
.site-ft .ft-lnks { display: flex; flex-wrap: wrap; gap: 6px 16px; font-size: 12.5px; }
.site-ft .ft-lnks a { color: var(--ink2); text-decoration: none; }
.site-ft .ft-lnks a:hover { color: var(--jade); }
.site-ft .ft-col { min-width: 150px; }
.site-ft .ft-col b { display: block; font-size: 11px; letter-spacing: 1px; color: var(--ink3); font-weight: 600; margin-bottom: 7px; }

/* ---------- 7. 暗色（夜间） ---------- */
:root[data-night="1"] {
  --paper: #141a18;
  --card: #1b2320;
  --line: #2d3733;
  --ink: #e9e7e2;
  --ink2: #b2bcb6;
  --ink3: #818c86;
  --tint: #22302b;
  --tint-line: #35473f;
  color-scheme: dark;
}
:root[data-night="1"] body { background: var(--paper); color: var(--ink); }
:root[data-night="1"] .site-nav { background: rgba(20, 26, 24, .92); }
:root[data-night="1"] .site-nav .sn-set:hover,
:root[data-night="1"] .site-nav .sn-lnks a:hover { background: #26302c; }
:root[data-night="1"] .site-nav .sn-lnks a[aria-current="page"] { background: #2c3a34; color: #f0eee9; }

/* 页面里写死的浅色底（各页 .bak 前身），夜间统一落到卡片色 */
:root[data-night="1"] :is(.it, .std, .panel, .panelbar, .ent, .fam, .tk, .empty, .err, .srcrow,
  .ingsrc .sr, .stdsum .s, .sum .s, .bk, .bkcat b, .bkdoc b, .bkq input, .btn.gh, .pager button,
  .tabs b, .tabs button, .taxchip, .led .cd, .fpbar select, .sbox, .vd.no, .sbox input,
  .kc, .kc .h code, .mx, .mx.c, .ri, .card, .note, .note code, .k .h code, .drop, .mkbox,
  .mkfield input, .mkrow button, .mm, .mm.on, .dock, .auth, .bad, .btn.o, .flt, .chip) {
  background: var(--card);
  border-color: var(--line);
}
:root[data-night="1"] :is(.it:hover, .std:hover, .ri:hover) { background: #222c28; border-color: #3b4f46; }
:root[data-night="1"] :is(.tg, .tag) { background: #26332d; color: #9fc4b3; }
:root[data-night="1"] :is(.tg.g) { background: #2b2a24; color: #c2b79c; }
:root[data-night="1"] :is(.tg.r) { background: #33241f; color: #e0a394; }
:root[data-night="1"] :is(.tg.b) { background: #232c35; color: #9dbad4; }
:root[data-night="1"] img:not([src*="data:"]) { filter: brightness(.92) contrast(1.02); }

/* ---------- 8. 断点（必须留在末尾） ---------- */
@media (max-width: 900px) {
  .st-pop { width: 300px; }
}

@media (max-width: 720px) {
  .site-nav .sn-set { padding: 0 9px; }
  .site-nav .sn-set span { display: none; }
  .site-nav .sn-set { height: 100%; border: none; border-radius: 0; width: 42px; }
  .site-nav .sn-set svg { width: 17px; height: 17px; flex-basis: 17px; }
  .st-pop {
    position: fixed; left: 10px; right: 10px; top: auto; bottom: 10px; width: auto;
    border-radius: 16px; max-height: 78vh; overflow-y: auto;
  }
  .flt-row { display: block; padding: 10px 13px; }
  .flt-lb { padding: 0 0 7px; flex: none; }
  .flt-opts { gap: 6px; }
  .chip { height: 29px; padding: 0 10px; font-size: 12px; }
  .sum { grid-template-columns: repeat(auto-fit, minmax(92px, 1fr)); gap: 7px; }
  .sum .s b { font-size: 17px; }
  .site-ft .ft-in { display: block; }
  .site-ft .ft-col { margin-top: 16px; }
  .art img { border-radius: 10px; }
}

/* ---------- 9. 页面通用补充（本节放在末尾，供各页共用） ---------- */
.band { background: var(--card); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.art-top { margin-top: 28px; }
.art-top .art { margin-bottom: 0; }
.flt .bkq input { width: min(320px, 100%); }

/* 三图说明带 */
.grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.grid3 .art { margin: 0; }
.grid3 figcaption { font-size: 12px; line-height: 1.72; color: var(--ink2); margin-top: 9px; }
.grid3 figcaption b { color: var(--ink); }
.why { padding: 36px 0 8px; }
.why .wrap { max-width: 1080px; }
.why .sh { margin-bottom: 14px; }

/* 配方库：分类卡顶部配图 + 小类标签统一芯片样式 */
.kc { overflow: hidden; }
.kc-img { display: block; width: calc(100% + 32px); height: auto; margin: -15px -16px 12px; aspect-ratio: 16 / 6; object-fit: cover; }
.kc .subs { gap: 5px; }
.kc .subs i {
  display: inline-flex; align-items: center; gap: 4px;
  height: 26px; padding: 0 9px; border-radius: 7px;
  border: 1px solid var(--line); background: transparent;
  font-style: normal; font-size: 11.5px; line-height: 1; color: var(--ink2);
  cursor: pointer; white-space: nowrap; transition: .13s;
}
.kc .subs i b { font-family: var(--mono, ui-monospace, Menlo, monospace); font-size: 10.5px; font-weight: 600; color: var(--ink3); margin: 0; }
.kc .subs i:hover { border-color: var(--jade); color: var(--jade); background: transparent; }
.kc .subs i.on { background: var(--jade); border-color: var(--jade); color: #fff; font-weight: 600; }
.kc .subs i.on b { color: rgba(255, 255, 255, .82); }

@media (max-width: 860px) {
  .grid3 { grid-template-columns: 1fr; gap: 20px; }
  .kc-img { aspect-ratio: 16 / 8; }
}

/* 页脚备案行 */
.site-ft .ft-meta { max-width: 430px; }
.site-ft .ft-col .ft-lnks span { color: var(--ink3); font-size: 11.5px; }
.site-ft .ft-beian {
  max-width: 1080px; margin: 16px auto 0; padding: 12px 18px 0;
  border-top: 1px dashed var(--line);
  font-size: 11px; color: var(--ink3); line-height: 1.7;
}

/* 页脚四列对齐（覆盖前面的 flex 版） */
.site-ft .ft-in {
  display: grid;
  grid-template-columns: minmax(220px, 1.5fr) minmax(120px, 1fr) minmax(120px, 1fr) minmax(140px, 1fr);
  gap: 22px 28px;
  align-items: start;
}
.site-ft .ft-meta { max-width: 420px; }
@media (max-width: 860px) {
  .site-ft .ft-in { grid-template-columns: 1fr 1fr; gap: 18px 22px; }
  .site-ft .ft-meta { max-width: none; grid-column: 1 / -1; }
}
@media (max-width: 560px) {
  .site-ft .ft-in { grid-template-columns: 1fr; gap: 16px; }
  .site-ft .ft-col { margin-top: 0; }
}

/* 常见问题 */
.faq { display: grid; gap: 10px; }
.faq details { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 0 16px; }
.faq summary {
  cursor: pointer; font-size: 14px; font-weight: 600; padding: 14px 0;
  list-style: none; display: flex; align-items: center; gap: 10px; color: var(--ink);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary:after { content: "+"; margin-left: auto; color: var(--ink3); font-weight: 400; font-size: 18px; line-height: 1; }
.faq details[open] summary:after { content: "–"; }
.faq details[open] summary { border-bottom: 1px dashed var(--line); margin-bottom: 12px; }
.faq p { font-size: 13px; color: var(--ink2); line-height: 1.82; padding: 0 0 14px; max-width: 860px; margin: 0; }