/* ============================================================
   我死后的三十天 · 资料站样式
   底色白 / 字黑 / 褐色与浅鹅黄点缀 / 民国报纸铅字风
   ============================================================ */

:root {
  --paper: #ffffff;
  --paper-2: #fdfbf6;
  --ink: #111111;
  --ink-2: #333333;
  --ink-3: #6b6b6b;

  --brown: #6b4a2f;
  --brown-deep: #4a3220;
  --brown-soft: #b99a76;
  --goose: #f6efd8;
  --goose-2: #efe4c4;
  --line: #d9cfb8;

  --nav-h: 72px;
  --sidebar-w: 232px;
  --content-w: 860px;

  --serif: "Source Han Serif SC", "Noto Serif SC", "Songti SC", "SimSun", "STSong", serif;
  --serif-kai: "Kaiti SC", "KaiTi", "STKaiti", var(--serif);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--serif);
  font-size: 16px;
  line-height: 1.95;
  -webkit-font-smoothing: antialiased;
}

/* 纸面微噪点 */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: .35;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='120' height='120'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3'/></filter><rect width='120' height='120' filter='url(%23n)' opacity='0.05'/></svg>");
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

/* ---------------- 顶栏 ---------------- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, .96);
  backdrop-filter: saturate(120%) blur(2px);
}

.topbar-inner {
  max-width: 1280px;
  margin: 0 auto;
  height: var(--nav-h);
  padding: 0 28px;
  display: flex;
  align-items: center;
  gap: 32px;
}

.topbar-rule {
  border-top: 2px solid var(--brown);
  border-bottom: 1px solid var(--brown-soft);
  height: 3px;
}

.brand { display: flex; flex-direction: column; justify-content: center; }

.brand-title {
  font-size: 21px;
  letter-spacing: .22em;
  font-weight: 700;
}

.brand-sub {
  font-size: 10px;
  letter-spacing: .38em;
  color: var(--brown);
  margin-top: 2px;
}

.nav { margin-left: auto; display: flex; align-items: stretch; gap: 4px; }

.nav a {
  position: relative;
  padding: 10px 18px;
  font-size: 15.5px;
  letter-spacing: .2em;
  color: var(--ink);
  border: 1px solid transparent;
  transition: background .18s, border-color .18s, color .18s;
}

.nav a + a::before {
  content: "";
  position: absolute;
  left: -3px;
  top: 50%;
  transform: translateY(-50%);
  width: 1px;
  height: 14px;
  background: var(--line);
}

.nav a:hover { background: var(--goose); }

.nav a.active {
  background: var(--goose-2);
  border-color: var(--brown-soft);
  color: var(--brown-deep);
  font-weight: 700;
}

.nav-toggle {
  display: none;
  margin-left: auto;
  background: none;
  border: 1px solid var(--brown-soft);
  color: var(--brown-deep);
  font-size: 20px;
  line-height: 1;
  padding: 6px 12px;
  cursor: pointer;
}

/* ---------------- 通用装饰 ---------------- */
/* 分隔饰线：取自「聊天页装饰元素v2」花线图集 */
.rule-orn {
  height: 46px;
  margin: 30px auto;
  background-image: url("../assets/images/deco/deco-v2.png");
  background-repeat: no-repeat;
  background-size: 760px auto;
  background-position: center -87px;
}

.rule-orn.o2 { background-position: center -169px; }
.rule-orn.o3 { background-position: center -249px; }
.rule-orn.o4 { background-position: center -327px; }
.rule-orn.o5 { background-position: center -402px; }
.rule-orn.o6 { background-position: center -481px; }
.rule-orn.o7 { background-position: center -561px; }
.rule-orn.o8 { background-position: center -639px; }
.rule-orn.o9 { background-position: center -715px; }
.rule-orn.o10 { background-position: center -799px; }
.rule-orn.o11 { background-position: center -878px; }

.section-title {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 22px;
  letter-spacing: .3em;
  margin: 0 0 6px;
}

.section-title::before {
  content: "";
  width: 6px;
  height: 22px;
  background: var(--brown);
}

.section-title-en {
  font-size: 11px;
  letter-spacing: .4em;
  color: var(--brown);
  margin: 0 0 22px 20px;
  text-transform: uppercase;
}

/* 图片占位 */
.ph {
  position: relative;
  background: var(--goose);
  border: 1px solid var(--brown-soft);
  color: var(--brown-deep);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  letter-spacing: .28em;
  overflow: hidden;
}

.ph::after {
  content: "";
  position: absolute;
  inset: 6px;
  border: 1px dashed var(--brown-soft);
  pointer-events: none;
}

.img-frame {
  border: 1px solid var(--line);
  padding: 8px;
  background: var(--paper-2);
}

figure { margin: 30px 0; }

figcaption {
  margin-top: 10px;
  font-size: 13px;
  letter-spacing: .16em;
  color: var(--ink-3);
  text-align: center;
}

/* ---------------- 首页 ---------------- */
.hero { position: relative; padding-top: 26px; }

.hero-inner { max-width: 1120px; margin: 0 auto; padding: 0 28px; }

.hero-img {
  width: 100%;
  height: auto;
  max-height: 80vh;
  object-fit: contain;
  border: 1px solid var(--line);
  padding: 10px;
  background: var(--paper-2);
}

.hero-caption {
  max-width: 1280px;
  margin: 0 auto;
  padding: 34px 28px 8px;
  text-align: center;
}

.hero-title {
  font-size: clamp(30px, 5vw, 54px);
  letter-spacing: .34em;
  margin: 0;
  font-weight: 700;
  text-indent: .34em;
}

.hero-title-mark {
  display: block;
  font-size: 12px;
  letter-spacing: .5em;
  color: var(--brown);
  margin-top: 14px;
}

.wrap {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 28px 90px;
  position: relative;
  z-index: 1;
}

.block { padding: 54px 0 10px; }

.intro-grid {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 46px;
  align-items: start;
}

.intro-text p { margin: 0 0 18px; text-indent: 2em; }

.intro-note {
  margin-top: 26px !important;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  text-indent: 0 !important;
  font-size: 14px;
  letter-spacing: .04em;
  color: var(--ink-3);
}

.intro-meta {
  border: 1px solid var(--line);
  background: var(--paper-2);
  padding: 22px 24px;
}

.intro-meta h4 {
  margin: 0 0 14px;
  font-size: 14px;
  letter-spacing: .3em;
  color: var(--brown-deep);
  border-bottom: 1px solid var(--line);
  padding-bottom: 10px;
}

.intro-meta dl { margin: 0; font-size: 14px; }
.intro-meta dt { color: var(--brown); letter-spacing: .18em; }
.intro-meta dd { margin: 2px 0 12px; letter-spacing: .06em; }

/* 人物卡片（首页横排小卡） */
.char-strip {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 18px;
  align-items: stretch;
}

.char-card {
  display: block;
  border: 1px solid var(--line);
  background: var(--paper-2);
  padding: 10px;
  transition: transform .2s, box-shadow .2s, border-color .2s;
}

.char-card:hover {
  transform: translateY(-4px);
  border-color: var(--brown);
  box-shadow: 0 10px 22px rgba(107, 74, 47, .14);
}

.char-card .portrait {
  width: 100%;
  aspect-ratio: 880 / 1168;
  object-fit: cover;
  object-position: center top;
  background: var(--goose);
  filter: saturate(.94);
}

.char-card .cname {
  margin-top: 12px;
  text-align: center;
  font-size: 16px;
  letter-spacing: .18em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.char-card .crole {
  margin-top: 4px;
  text-align: center;
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--brown);
}

/* 首页版块入口卡 */
.entry-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.entry {
  display: grid;
  grid-template-columns: 54px 1fr;
  grid-template-rows: auto auto auto;
  align-items: center;
  gap: 2px 16px;
  border: 1px solid var(--line);
  background: var(--paper-2);
  padding: 24px 24px 20px;
  transition: transform .2s, border-color .2s, box-shadow .2s, background .2s;
}

.entry:hover {
  transform: translateY(-4px);
  border-color: var(--brown);
  background: var(--goose);
  box-shadow: 0 10px 22px rgba(107, 74, 47, .14);
}

.entry-mk {
  grid-row: 1 / 3;
  width: 46px;
  height: 46px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--brown-soft);
  color: var(--brown-deep);
  background: var(--goose-2);
  font-size: 17px;
}

.entry-t { font-size: 20px; letter-spacing: .26em; }

.entry-en {
  grid-column: 2;
  font-size: 10.5px;
  letter-spacing: .34em;
  color: var(--brown);
  text-transform: uppercase;
}

.entry-go {
  grid-column: 1 / 3;
  margin-top: 16px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  letter-spacing: .2em;
  color: var(--brown-deep);
}

.more-link {
  display: inline-block;
  margin-top: 26px;
  border-bottom: 1px solid var(--brown);
  color: var(--brown-deep);
  font-size: 14px;
  letter-spacing: .24em;
  padding-bottom: 2px;
}

/* ---------------- 人物一级页：五张竖排立绘并排 ---------------- */
.page-head {
  max-width: 1180px;
  margin: 0 auto;
  padding: 46px 28px 90px;
  position: relative;
  z-index: 1;
}

.portrait-row {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 14px;
  align-items: stretch;
  margin-top: 30px;
}

.portrait-cell {
  display: block;
  position: relative;
  border: 1px solid var(--line);
  background: var(--paper-2);
  padding: 8px 8px 14px;
  transition: transform .22s, border-color .22s, box-shadow .22s;
}

.portrait-cell:hover {
  transform: translateY(-6px);
  border-color: var(--brown);
  box-shadow: 0 14px 26px rgba(107, 74, 47, .16);
}

.portrait-cell .stand {
  width: 100%;
  aspect-ratio: 880 / 1168;
  object-fit: cover;
  object-position: center top;
  background: var(--goose);
}

.portrait-cell .tag {
  position: absolute;
  top: 8px;
  left: 8px;
  background: var(--goose-2);
  border-right: 1px solid var(--brown-soft);
  border-bottom: 1px solid var(--brown-soft);
  color: var(--brown-deep);
  font-size: 11px;
  letter-spacing: .2em;
  padding: 3px 8px;
}

.portrait-cell .pname {
  margin-top: 14px;
  text-align: center;
  font-size: 17px;
  letter-spacing: .16em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.portrait-cell .prole {
  margin-top: 6px;
  text-align: center;
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--brown);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ---------------- 人物通用 Prompt ---------------- */
.prompt-block { padding-top: 10px; }

.prompt-card {
  border: 1px solid var(--line);
  background: var(--paper-2);
  padding: 34px 40px 30px;
  position: relative;
}

.prompt-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 3px;
  background: var(--brown);
}

.prompt-h {
  margin: 0 0 14px;
  font-size: 19px;
  letter-spacing: .24em;
  color: var(--brown-deep);
}

.prompt-lead {
  margin: 0 0 6px;
  text-indent: 2em;
  color: var(--ink-2);
}

.prompt-sec { padding-top: 26px; scroll-margin-top: calc(var(--nav-h) + 24px); }

/* Prompt 顶部目录 */
.prompt-toc {
  margin-top: 22px;
  border: 1px solid var(--line);
  background: var(--paper);
  padding: 18px 22px 16px;
}

.prompt-toc .pt-title {
  font-size: 12.5px;
  letter-spacing: .34em;
  color: var(--brown-deep);
  padding-bottom: 10px;
  margin-bottom: 8px;
  border-bottom: 1px solid var(--line);
}

.prompt-toc ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 2px 14px;
}

.pt-link {
  width: 100%;
  background: none;
  border: 0;
  border-left: 2px solid transparent;
  padding: 6px 8px;
  font-family: inherit;
  font-size: 14px;
  letter-spacing: .12em;
  color: var(--ink-2);
  text-align: left;
  cursor: pointer;
  transition: background .16s, color .16s, border-color .16s;
}

.pt-link:hover { background: var(--goose); }

.pt-link.active {
  background: var(--goose);
  border-left-color: var(--brown);
  color: var(--brown-deep);
  font-weight: 700;
}

.prompt-sec h4 {
  margin: 0 0 10px;
  font-size: 16px;
  letter-spacing: .22em;
  color: var(--brown-deep);
  padding-bottom: 8px;
  border-bottom: 1px solid var(--line);
}

.prompt-sec > p { margin: 0 0 12px; text-indent: 2em; }

.prompt-sec .pl { padding-left: 1.7em; margin: 0; }

.prompt-sec .pl > li { margin-bottom: 12px; line-height: 1.9; }

.prompt-sec .pl-sub {
  list-style: none;
  margin: 10px 0 4px;
  padding: 0;
}

.prompt-sec .pl-sub li {
  position: relative;
  padding-left: 18px;
  margin-bottom: 7px;
  color: var(--ink-2);
  font-size: 15px;
}

.prompt-sec .pl-sub li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--brown-soft);
}

.prompt-sec b { color: var(--brown-deep); font-weight: 700; }

.priority {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-top: 6px;
}

.priority .pi {
  border: 1px solid var(--brown-soft);
  background: var(--goose);
  color: var(--brown-deep);
  font-size: 13.5px;
  letter-spacing: .14em;
  padding: 6px 12px;
}

.priority .gt { color: var(--brown); font-size: 13px; }

/* ---------------- 文档页（人物二级 / 剧情 / 知识库） ---------------- */
.doc {
  max-width: 1280px;
  margin: 0 auto;
  padding: 40px 28px 100px;
  display: grid;
  grid-template-columns: var(--sidebar-w) minmax(0, 1fr);
  gap: 56px;
  position: relative;
  z-index: 1;
}

.doc-side {
  position: sticky;
  top: calc(var(--nav-h) + 24px);
  align-self: start;
  max-height: calc(100vh - var(--nav-h) - 60px);
  overflow: auto;
  border-left: 2px solid var(--brown);
  padding-left: 18px;
}

.doc-side h3 {
  margin: 0 0 4px;
  font-size: 15px;
  letter-spacing: .28em;
}

.doc-side .side-en {
  font-size: 10px;
  letter-spacing: .36em;
  color: var(--brown);
  margin-bottom: 16px;
}

.toc { list-style: none; margin: 0; padding: 0; }

.toc li { margin: 0; }

.toc a,
.toc .toc-link {
  display: block;
  width: 100%;
  padding: 7px 10px 7px 12px;
  font-family: inherit;
  font-size: 14px;
  letter-spacing: .16em;
  color: var(--ink-2);
  background: none;
  border: 0;
  border-left: 2px solid transparent;
  text-align: left;
  cursor: pointer;
  transition: background .16s, color .16s, border-color .16s;
}

.toc a:hover,
.toc .toc-link:hover { background: var(--goose); }

.toc a.active,
.toc .toc-link.active {
  background: var(--goose);
  border-left-color: var(--brown);
  color: var(--brown-deep);
  font-weight: 700;
}

/* 两级目录：一级可展开 */
.toc-tree { display: block; }

.toc-grp + .toc-grp { margin-top: 4px; }

.toc-grp > .grp-link {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14.5px;
  letter-spacing: .2em;
  color: var(--brown-deep);
  border-left: 2px solid var(--brown-soft);
  background: var(--paper-2);
}

.toc-grp > .grp-link .tw {
  color: var(--brown);
  font-size: 11px;
  transition: transform .18s;
}

.toc-grp.open > .grp-link { background: var(--goose-2); border-left-color: var(--brown); font-weight: 700; }
.toc-grp.open:not(.leaf) > .grp-link .tw { transform: rotate(90deg); }

.toc-sub {
  list-style: none;
  margin: 0;
  padding: 0 0 0 14px;
  max-height: 0;
  overflow: hidden;
  transition: max-height .26s ease;
}

.toc-grp.open > .toc-sub { max-height: 640px; }

.toc-sub .toc-link { font-size: 13.5px; color: var(--ink-3); padding-left: 12px; }
.toc-sub .toc-link.active { color: var(--brown-deep); }

.side-back {
  display: inline-block;
  margin-bottom: 18px;
  font-size: 12.5px;
  letter-spacing: .2em;
  color: var(--brown-deep);
  border-bottom: 1px solid var(--brown-soft);
}

.side-switch { margin-top: 26px; border-top: 1px solid var(--line); padding-top: 16px; }

.side-switch .st { font-size: 11px; letter-spacing: .3em; color: var(--brown); margin-bottom: 8px; }

.side-switch a {
  display: block;
  font-size: 13.5px;
  letter-spacing: .18em;
  padding: 5px 0;
  color: var(--ink-2);
}

.side-switch a:hover { color: var(--brown-deep); }
.side-switch a.active { color: var(--brown-deep); font-weight: 700; }

.doc-body { max-width: var(--content-w); }

.doc-title { margin: 0; font-size: 30px; letter-spacing: .3em; }

.doc-sub {
  margin: 10px 0 0;
  font-size: 13px;
  letter-spacing: .26em;
  color: var(--brown);
}

.doc-body section { padding-top: 34px; scroll-margin-top: calc(var(--nav-h) + 28px); }

.doc-body .grp { padding-top: 0; }

.doc-body h2 {
  font-size: 21px;
  letter-spacing: .26em;
  margin: 0 0 4px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
  position: relative;
}

.doc-body h2::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 76px;
  height: 3px;
  background: var(--brown);
}

.doc-body h3 {
  font-size: 19px;
  letter-spacing: .24em;
  margin: 0 0 4px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
  position: relative;
}

.doc-body h3::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 62px;
  height: 3px;
  background: var(--brown);
}

.doc-body h4 {
  font-size: 16.5px;
  letter-spacing: .22em;
  margin: 28px 0 8px;
  color: var(--brown-deep);
}

/* 一级组标题 */
.doc-body .grp-title {
  font-size: 25px;
  letter-spacing: .3em;
  margin: 40px 0 4px;
  padding: 0 0 12px 16px;
  border: 0;
  border-left: 6px solid var(--brown);
  background: linear-gradient(var(--goose), var(--goose)) left top / 100% 100% no-repeat;
  padding-top: 12px;
}

.doc-body .grp-title::after { display: none; }

.doc-body .grp:first-of-type .grp-title { margin-top: 26px; }

/* 说明性文字（非正文） */
.doc-body .note {
  text-indent: 0;
  color: #9a9a9a;
  font-size: 13.5px;
  letter-spacing: .06em;
  border-left: 2px solid var(--line);
  padding-left: 12px;
  margin: 0 0 14px;
}

.kv .th-note {
  display: block;
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--brown);
  opacity: .8;
  font-weight: 400;
}

/* 正文节选（开场剧情等） */
.prose { border-left: 2px solid var(--goose-2); padding-left: 20px; }

.prose p { margin: 0 0 20px; }

/* 时间线 */
.timeline {
  list-style: none;
  margin: 0 0 24px;
  padding: 0;
  counter-reset: tl;
}

.timeline li {
  position: relative;
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 9px 0 9px 4px;
  margin: 0;
  border-bottom: 1px dashed var(--line);
  letter-spacing: .04em;
}

.timeline li:last-child { border-bottom: 0; }

.timeline .ti {
  flex: 0 0 30px;
  height: 30px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--brown-soft);
  background: var(--goose);
  color: var(--brown-deep);
  font-size: 14px;
  line-height: 1;
}

/* 结局卡 */
.endings { display: grid; gap: 18px; }

.ending {
  display: grid;
  grid-template-columns: 96px 1fr;
  gap: 20px;
  align-items: start;
  border: 1px solid var(--line);
  background: var(--paper-2);
  padding: 18px 20px;
}

.ending .ec {
  width: 96px;
  height: 96px;
  object-fit: contain;
  background: var(--goose);
  border: 1px solid var(--brown-soft);
  padding: 4px;
}

.ending .en {
  font-size: 17px;
  letter-spacing: .2em;
  color: var(--brown-deep);
  margin-bottom: 8px;
}

.ending p { margin: 0; text-indent: 0; color: var(--ink-2); }

.doc-body p { margin: 0 0 18px; text-indent: 2em; }

.doc-body ul, .doc-body ol { padding-left: 1.6em; margin: 0 0 18px; }
.doc-body li { margin-bottom: 8px; }

.doc-body blockquote {
  margin: 24px 0;
  padding: 16px 22px;
  background: var(--paper-2);
  border-left: 3px solid var(--brown);
  color: var(--ink-2);
  font-family: var(--serif-kai);
}

.doc-body blockquote p { text-indent: 0; margin: 0; }

.kv {
  width: 100%;
  border-collapse: collapse;
  margin: 0 0 22px;
  font-size: 14.5px;
}

.kv th, .kv td {
  border: 1px solid var(--line);
  padding: 10px 14px;
  text-align: left;
  vertical-align: top;
}

.kv th {
  width: 130px;
  background: var(--goose);
  color: var(--brown-deep);
  letter-spacing: .2em;
  font-weight: 400;
}

.doc-figs { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }

.doc-figs.single { grid-template-columns: 1fr; }

.doc-fig-ph { aspect-ratio: 4 / 3; }

.doc-figs.single .doc-fig-ph { aspect-ratio: 16 / 9; }

/* 人物二级页首屏 */
.char-lead {
  display: flex;
  justify-content: center;
  scroll-margin-top: calc(var(--nav-h) + 40px);
}

.char-lead .img-frame { width: 340px; max-width: 100%; }

.char-lead .portrait {
  width: 100%;
  aspect-ratio: 880 / 1168;
  object-fit: cover;
  object-position: center top;
  background: var(--goose);
}

/* ---------------- FAQ ---------------- */
.faq-note {
  text-indent: 0;
  color: #9a9a9a;
  font-size: 13.5px;
  letter-spacing: .06em;
  border-left: 2px solid var(--line);
  padding-left: 12px;
  margin: 14px 0 0;
}

.qa { border-bottom: 1px solid var(--line); }

.qa-q {
  width: 100%;
  background: none;
  border: 0;
  cursor: pointer;
  display: grid;
  grid-template-columns: 40px 1fr 28px;
  gap: 12px;
  align-items: baseline;
  text-align: left;
  padding: 18px 4px;
  font-family: inherit;
  font-size: 16.5px;
  line-height: 1.8;
  letter-spacing: .06em;
  color: var(--ink);
}

.qa-q .mk { color: var(--brown); font-size: 15px; letter-spacing: .06em; font-weight: 700; }

.qa-q .arw { color: var(--brown-soft); text-align: right; transition: transform .2s; }

.qa.open .qa-q .arw { transform: rotate(90deg); }

.qa-a {
  display: none;
  grid-template-columns: 40px 1fr;
  gap: 12px;
  padding: 0 4px 24px;
  color: var(--ink-2);
}

.qa.open .qa-a { display: grid; }

.qa-a .mk { color: var(--brown-soft); font-size: 15px; font-weight: 700; }
.qa-a .txt p { margin: 0 0 14px; }
.qa-a .txt p:last-child { margin-bottom: 0; }

.qa-a .txt h5 {
  margin: 20px 0 8px;
  font-size: 14.5px;
  letter-spacing: .18em;
  color: var(--brown-deep);
}

.qa-a .txt ul { padding-left: 1.5em; margin: 0 0 14px; }
.qa-a .txt li { margin-bottom: 8px; }

.qa-a .txt blockquote {
  margin: 16px 0;
  padding: 14px 18px;
  background: var(--paper-2);
  border-left: 3px solid var(--brown-soft);
  font-family: var(--serif-kai);
}

.qa-a .txt blockquote p { margin: 0 0 8px; }
.qa-a .txt blockquote p:last-child { margin-bottom: 0; }

.followup {
  margin: 18px 0 4px;
  padding: 16px 18px;
  background: var(--goose);
  border-left: 3px solid var(--brown);
}

.followup .fu-q {
  font-size: 14.5px;
  letter-spacing: .1em;
  color: var(--brown-deep);
  font-weight: 700;
  margin-bottom: 10px;
}

.followup p { margin: 0 0 10px; }
.followup p:last-child { margin-bottom: 0; }

/* ---------------- 页脚 ---------------- */
.footer {
  border-top: 1px solid var(--line);
  padding: 10px 28px 44px;
  text-align: center;
  position: relative;
  z-index: 1;
}

.footer-line {
  margin: 0;
  font-size: 12px;
  letter-spacing: .34em;
  color: var(--ink-3);
}

/* ---------------- 响应式 ---------------- */
@media (max-width: 1080px) {
  .intro-grid { grid-template-columns: 1fr; }
  .doc { grid-template-columns: 1fr; gap: 26px; }
  .doc-side {
    position: static;
    max-height: none;
    border-left: 0;
    border-top: 2px solid var(--brown);
    padding: 16px 0 0;
  }
  .toc { display: flex; flex-wrap: wrap; gap: 4px; }
  .toc-tree { display: block; }
  .char-lead { grid-template-columns: 1fr; }
  .char-lead .img-frame { max-width: 300px; }
}

@media (max-width: 860px) {
  .nav {
    display: none;
    position: absolute;
    top: var(--nav-h);
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--paper);
    border-bottom: 1px solid var(--brown);
    padding: 8px 20px 14px;
  }
  .nav.open { display: flex; }
  .nav-toggle { display: block; }
  .char-strip, .portrait-row { grid-template-columns: repeat(2, 1fr); }
  .doc-figs { grid-template-columns: 1fr; }
  .entry-grid { grid-template-columns: 1fr; }
  .ending { grid-template-columns: 1fr; }
  .ending .ec { width: 84px; height: 84px; }
  .prompt-card { padding: 26px 20px 22px; }
  .prompt-toc ul { grid-template-columns: 1fr; }
}