/*
 * 《肥鱼万事屋》专属样式。
 * 只在 .manual-page 下生效，避免影响首页表情墙。
 * 色彩沿用 styles.css 的 :root token；排版针对中文长文重新定过字号、行高和行宽。
 */

.manual-page {
  --m-link: #35507d;
  --m-link-hover: #22385f;
  --m-meta: #5b6884;
  --m-rule: rgba(22, 33, 61, 0.12);
  --m-rule-strong: rgba(22, 33, 61, 0.2);
  --m-surface: #ffffff;
  --m-surface-soft: #f1f5fb;
  --m-code-bg: #16213d;
  --m-code-text: #e8eefb;
  /* 阅读行宽：窄桌面收到 44em 保住每行字数，宽屏最多放到 52em（约 46 个汉字），
     避免固定 40em 在 1600px 以上的大屏里显得又窄又空。 */
  --m-measure: clamp(44em, 47vw, 52em);
  --m-radius: 16px;
  --m-mono: ui-monospace, "SFMono-Regular", "Cascadia Mono", "JetBrains Mono", Consolas,
    "Liberation Mono", monospace;
  padding-bottom: 120px;
}

/* 长文页不需要首页那种漂浮气泡，留出干净的阅读底色 */
.manual-page .bubble,
.manual-page .wave {
  opacity: 0.45;
}

/* ---------------------------------- 通用 ---------------------------------- */

.manual-skip {
  position: absolute;
  top: 8px;
  left: 8px;
  z-index: 60;
  padding: 10px 16px;
  color: var(--white);
  background: var(--deep);
  border-radius: 10px;
  font-size: 14px;
  font-weight: 700;
  transform: translateY(-160%);
  transition: transform 160ms ease;
}

.manual-skip:focus {
  transform: translateY(0);
}

.manual-crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 26px 2px 0;
  color: var(--m-meta);
  font-size: 13px;
  font-weight: 600;
  list-style: none;
}

.manual-crumbs li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.manual-crumbs li + li::before {
  content: "›";
  color: var(--blue);
  font-size: 15px;
  line-height: 1;
}

.manual-crumbs a {
  color: var(--m-meta);
  border-bottom: 1px solid transparent;
  transition: color 160ms ease, border-color 160ms ease;
}

.manual-crumbs a:hover {
  color: var(--deep);
  border-color: var(--coral);
}

.manual-crumbs [aria-current="page"] {
  color: var(--deep);
}

.manual-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  color: var(--deep);
  font-family: var(--body);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.manual-eyebrow::before {
  width: 22px;
  height: 3px;
  content: "";
  background: var(--coral);
  border-radius: 3px;
}

.manual-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 11px 5px;
  color: var(--deep);
  background: var(--mist);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  line-height: 1.4;
  white-space: nowrap;
}

.manual-chip.is-cat {
  color: var(--white);
  background: var(--blue);
}

.manual-chip.is-soft {
  color: var(--m-meta);
  background: var(--m-surface-soft);
}

.manual-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 18px;
  color: var(--white);
  background: var(--deep);
  border-radius: 12px;
  box-shadow: 3px 4px 0 var(--sticker-shadow);
  font-size: 14px;
  font-weight: 700;
  transition: transform 180ms var(--ease), box-shadow 180ms var(--ease), background 180ms ease;
}

.manual-btn:hover {
  background: #16223d;
  transform: translateY(-2px);
  box-shadow: 4px 6px 0 var(--sticker-shadow);
}

.manual-btn:active {
  transform: translateY(0);
  box-shadow: 2px 2px 0 var(--sticker-shadow);
}

.manual-btn.is-ghost {
  color: var(--deep);
  background: var(--white);
  border: 2px solid var(--m-rule-strong);
  box-shadow: none;
}

.manual-btn.is-ghost:hover {
  background: var(--m-surface-soft);
  box-shadow: none;
}

/* 首号按钮：照搬全站主按钮 .nav-action 的三层构造——
   顶部内高光当受光面、3px 硬投影当贴纸厚度、外阴影当离纸距离；
   末尾图标会变成右侧白色圆钮。 */
.manual-btn.is-lead {
  gap: 12px;
  min-height: 48px;
  padding: 5px 5px 5px 22px;
  background: linear-gradient(140deg, #33496f, #16223c);
  border: 1px solid rgba(12, 22, 42, 0.55);
  border-radius: 999px;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.22),
    0 3px 0 #101b31,
    0 14px 26px rgba(20, 32, 60, 0.22);
  font-weight: 800;
  letter-spacing: 0.03em;
}

.manual-btn.is-lead span:last-child {
  display: grid;
  width: 36px;
  height: 36px;
  margin-left: 2px;
  place-items: center;
  color: var(--deep);
  background: var(--white);
  border-radius: 50%;
  box-shadow: inset 0 -2px 0 rgba(24, 37, 68, 0.12);
  font-size: 15px;
  font-weight: 800;
  transition: transform 300ms var(--ease), background 300ms var(--ease), color 300ms var(--ease);
}

.manual-btn.is-lead:hover {
  background: linear-gradient(140deg, #3b5480, #1d2c4c);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.26),
    0 3px 0 #101b31,
    0 18px 30px rgba(20, 32, 60, 0.28);
  transform: translateY(-2px);
}

.manual-btn.is-lead:hover span:last-child {
  color: var(--deep);
  background: var(--coral);
  transform: rotate(-6deg) scale(1.05);
}

.manual-btn.is-lead:active {
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.2),
    0 2px 0 #101b31,
    0 8px 16px rgba(20, 32, 60, 0.2);
  transform: translateY(1px) scale(0.99);
}

/* 次号按钮也改成胶囊，和首号按钮成对 */
.manual-btn.is-ghost {
  border-radius: 999px;
  padding-inline: 22px;
}

/* 和首号按钮并排时补上高度差，避免一高一低 */
.manual-feedback-actions .manual-btn.is-ghost {
  min-height: 48px;
}

.manual-page :focus-visible {
  outline: 3px solid var(--blue);
  outline-offset: 3px;
  border-radius: 4px;
}

/* -------------------------------- 手册首页 -------------------------------- */

.manual-hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(320px, 0.92fr);
  align-items: center;
  gap: clamp(28px, 5vw, 72px);
  padding: 46px 2px 64px;
}

.manual-hero::after {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 3px;
  content: "";
  background: repeating-linear-gradient(
    90deg,
    var(--deep) 0 16px,
    rgba(96, 122, 169, 0.25) 16px 28px
  );
  border-radius: 3px;
}

/* 全局 h1 有 max-width: 8.2em 和贴纸描边，手册页要按长文重新定 */
.manual-page h1 {
  max-width: none;
  margin-bottom: 0;
  letter-spacing: -0.035em;
}

.manual-hero-copy h1 {
  margin: 18px 0 0;
  color: var(--deep);
  font-family: var(--round);
  font-size: clamp(2.15rem, 5vw, 3.5rem);
  font-weight: 900;
  letter-spacing: -0.035em;
  line-height: 1.08;
}

.manual-hero-copy h1 span {
  display: block;
  color: var(--blue);
  font-size: 0.62em;
  letter-spacing: 0.02em;
  white-space: normal;
  text-shadow: none;
}

.manual-hero-copy h1 span::after {
  display: none;
}

.manual-lede {
  max-width: 34em;
  margin: 18px 0 0;
  color: #3c4a68;
  font-size: 17px;
  line-height: 1.85;
}

.manual-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.manual-hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin: 26px 0 0;
  padding: 0;
  color: var(--m-meta);
  font-size: 13px;
  font-weight: 600;
  list-style: none;
}

.manual-hero-stats li {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
}

.manual-hero-stats strong {
  color: var(--deep);
  font-size: 17px;
  font-weight: 900;
  font-variant-numeric: tabular-nums;
}

/* hero 右侧：立绘贴纸 + 终端卡 + 悬浮标注，做出“组装现场”的层次 */
.manual-hero-art {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 540px;
  padding: 10px 0;
}

.manual-hero-orbit {
  position: absolute;
  top: 50%;
  left: 50%;
  width: min(440px, 94%);
  aspect-ratio: 1;
  border: 1.5px dashed rgba(96, 122, 169, 0.38);
  border-radius: 50%;
  transform: translate(-50%, -50%);
}

.manual-hero-orbit-b {
  width: min(330px, 72%);
  border-color: rgba(241, 199, 197, 0.7);
}

.manual-hero-figure {
  position: relative;
  z-index: 2;
  width: min(330px, 74%);
  margin: 0 8px 0 auto;
  padding: 10px 10px 0;
  background: linear-gradient(180deg, #f4f8fe, #e3ecf9);
  border: 3px solid var(--white);
  border-radius: 26px 30px 22px 28px;
  box-shadow: 10px 12px 0 var(--sticker-shadow), 0 26px 46px rgba(32, 45, 82, 0.16);
  transform: rotate(-2deg);
}

.manual-hero-figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 18px;
  /* 立绘是白底，用 multiply 把底色融进浅蓝渐变，边缘不会出现白框 */
  mix-blend-mode: multiply;
}

.manual-hero-figure figcaption {
  padding: 8px 0 10px;
  color: var(--m-meta);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-align: center;
}

.manual-hero-tape {
  position: absolute;
  top: -14px;
  left: 50%;
  width: 96px;
  height: 26px;
  background: var(--tape-mist);
  border-radius: 3px;
  transform: translateX(-50%) rotate(-3deg);
}

.manual-hero-terminal {
  position: absolute;
  bottom: 28px;
  left: 0;
  z-index: 3;
  width: min(292px, 72%);
  overflow: hidden;
  background: var(--m-code-bg);
  border: 3px solid var(--white);
  border-radius: 14px;
  box-shadow: 6px 8px 0 rgba(24, 37, 68, 0.24);
  transform: rotate(1.4deg);
}

.manual-hero-terminal-bar {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 7px 10px;
  background: rgba(255, 255, 255, 0.07);
  border-bottom: 1px solid rgba(255, 255, 255, 0.09);
}

.manual-hero-terminal-bar i {
  width: 7px;
  height: 7px;
  background: var(--coral);
  border-radius: 50%;
}

.manual-hero-terminal-bar i:nth-child(2) {
  background: var(--gold);
}

.manual-hero-terminal-bar i:nth-child(3) {
  background: #8fd3ff;
}

.manual-hero-terminal-bar span {
  margin-left: auto;
  color: #93a6cb;
  font-family: var(--m-mono);
  font-size: 9px;
  letter-spacing: 0.08em;
}

.manual-hero-terminal pre {
  margin: 0;
  padding: 11px 12px 13px;
  color: #dce7fa;
  font-family: var(--m-mono);
  font-size: 10.5px;
  line-height: 1.9;
  overflow: hidden;
  white-space: pre;
}

.manual-hero-terminal .terminal-prompt {
  color: var(--coral);
  font-weight: 700;
}

.manual-hero-terminal .terminal-ok {
  color: #9fe0b4;
}

.manual-hero-chip {
  position: absolute;
  z-index: 4;
  padding: 5px 11px;
  color: var(--deep);
  background: var(--white);
  border: 1.5px solid var(--m-rule-strong);
  border-radius: 999px;
  box-shadow: 2px 3px 0 rgba(24, 37, 68, 0.12);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.manual-hero-chip.is-a {
  top: 54px;
  right: 2px;
  transform: rotate(3deg);
}

.manual-hero-chip.is-b {
  top: 224px;
  left: 2px;
  transform: rotate(-3deg);
}

.manual-hero-chip.is-c {
  right: 26px;
  bottom: 132px;
  transform: rotate(-1.5deg);
}

/* 选题区 */
.manual-index {
  margin-top: 46px;
  scroll-margin-top: 110px;
}

.manual-index-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 8px 20px;
}

.manual-index-head h2 {
  margin: 8px 0 0;
  color: var(--deep);
  font-family: var(--round);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 900;
  letter-spacing: -0.02em;
}

.manual-index-note {
  margin: 0;
  color: var(--m-meta);
  font-size: 13px;
}

/* 文章列表 */
.manual-list {
  display: grid;
  gap: 14px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.manual-card {
  position: relative;
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr) auto;
  align-items: start;
  gap: 6px 18px;
  padding: 22px 22px 20px;
  background: var(--white);
  border: 1px solid var(--m-rule);
  border-radius: var(--m-radius);
  box-shadow: 0 2px 10px rgba(32, 45, 82, 0.045);
  transition: transform 200ms var(--ease), border-color 200ms ease, box-shadow 200ms ease;
}

.manual-card:hover,
.manual-card:focus-within {
  border-color: rgba(96, 122, 169, 0.5);
  box-shadow: 0 10px 26px rgba(32, 45, 82, 0.1);
  transform: translateY(-2px);
}

.manual-card-index {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  color: var(--blue);
  background: var(--m-surface-soft);
  border-radius: 12px;
  font-size: 13px;
  font-weight: 900;
  font-variant-numeric: tabular-nums;
}

.manual-card-body {
  min-width: 0;
}

.manual-card h3 {
  margin: 0;
  color: var(--deep);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.45;
}

.manual-card h3 a::after {
  position: absolute;
  inset: 0;
  content: "";
  border-radius: inherit;
}

.manual-card h3 a {
  color: inherit;
}

.manual-card p {
  /* 卡片整行都是可点区域，摘要放宽到 56em，右半边不至于空出一大片 */
  max-width: 56em;
  margin: 7px 0 0;
  color: #4a5878;
  font-size: 14px;
  line-height: 1.75;
}

.manual-card-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 14px;
  margin: 12px 0 0;
  color: var(--m-meta);
  font-size: 12px;
  font-weight: 600;
}

.manual-card-meta > span {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.manual-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 11px 0 0;
  padding: 0;
  list-style: none;
}

.manual-card-tags li {
  padding: 2px 8px;
  color: var(--m-meta);
  background: var(--m-surface-soft);
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
}

.manual-card-arrow {
  align-self: center;
  color: var(--blue);
  font-size: 20px;
  font-weight: 700;
  transition: transform 200ms var(--ease), color 200ms ease;
}

.manual-card:hover .manual-card-arrow {
  color: var(--deep);
  transform: translateX(4px);
}


/* -------------------------------- 文章页 ---------------------------------- */

.manual-progress {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 50;
  width: 100%;
  height: 3px;
  pointer-events: none;
  background: transparent;
}

.manual-progress span {
  display: block;
  width: 0;
  height: 100%;
  background: linear-gradient(90deg, var(--coral), var(--blue));
  transform-origin: left center;
}

/*
 * 三列：左留白 1fr · 正文 · 右留白 1fr。
 * 左右留白相等，正文列才真正落在页面中心；目录放在右留白里，
 * 不会把正文挤到偏左。之前用「正文 + 固定 244px」整体居中，
 * 等于给右边多留了一列，正文自然偏左。
 */
.manual-article-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, var(--m-measure)) minmax(0, 1fr);
  column-gap: clamp(28px, 4vw, 56px);
  /* 侧栏要撑满整行高度，目录的 position: sticky 才有滚动区间 */
  align-items: stretch;
  padding: 34px 2px 0;
}

.manual-article {
  grid-column: 2;
  min-width: 0;
}

.manual-article-layout > aside {
  grid-column: 3;
  min-width: 0;
}

/* 面包屑与正文列左对齐，不再贴着页面最左边 */
.manual-crumbs-bar {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, var(--m-measure)) minmax(0, 1fr);
  column-gap: clamp(28px, 4vw, 56px);
  padding: 26px 2px 0;
}

.manual-crumbs-bar .manual-crumbs {
  grid-column: 2;
  padding: 0;
}

.manual-article-header {
  padding-bottom: 26px;
  border-bottom: 1px solid var(--m-rule);
}

.manual-article-header h1 {
  max-width: 22em;
  margin: 16px 0 0;
  color: var(--deep);
  font-family: var(--round);
  font-size: clamp(1.75rem, 3.2vw, 2.35rem);
  font-weight: 900;
  letter-spacing: -0.025em;
  line-height: 1.3;
  text-wrap: balance;
}

.manual-article-lede {
  max-width: 38em;
  margin: 16px 0 0;
  color: #40506f;
  font-size: 17px;
  line-height: 1.8;
}

.manual-byline {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 18px;
  margin: 20px 0 0;
  padding: 0;
  color: var(--m-meta);
  font-size: 13px;
  font-weight: 600;
  list-style: none;
}

.manual-byline li {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.manual-byline svg {
  width: 15px;
  height: 15px;
  fill: none;
  stroke: var(--blue);
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* 作者行带头像时，把头像当作一枚小贴纸，和正文的档案语气一致 */
.manual-byline-author {
  gap: 9px;
  color: var(--deep);
}

.manual-avatar {
  display: block;
  width: 36px;
  height: 36px;
  flex: 0 0 auto;
  object-fit: cover;
  background: var(--m-surface-soft);
  border: 2px solid var(--white);
  border-radius: 50%;
  box-shadow: 0 0 0 1px rgba(96, 122, 169, 0.35), 2px 3px 0 rgba(24, 37, 68, 0.12);
}

.manual-byline-author strong {
  color: var(--deep);
  font-weight: 800;
}

.manual-verified {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 5px 11px;
  color: #2f5138;
  background: #e8f3ea;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
}

.manual-verified::before {
  width: 7px;
  height: 7px;
  content: "";
  background: #4c8a5c;
  border-radius: 50%;
}

/* 正文：中文长文的字号、行高与行宽都在这里定 */
.manual-prose {
  padding-top: 30px;
  color: var(--ink);
  font-family: var(--body);
  font-size: 17px;
  letter-spacing: 0.01em;
  line-height: 1.88;
  overflow-wrap: break-word;
}

.manual-prose > :first-child {
  margin-top: 0;
}

.manual-prose p {
  margin: 0 0 1.15em;
}

.manual-prose h2,
.manual-prose h3,
.manual-prose h4 {
  color: var(--deep);
  font-family: var(--round);
  scroll-margin-top: 120px;
  text-wrap: balance;
}

.manual-prose h2 {
  margin: 2.5em 0 0.85em;
  padding-left: 16px;
  font-size: 1.42em;
  font-weight: 900;
  letter-spacing: -0.01em;
  line-height: 1.4;
  border-left: 5px solid var(--coral);
}

.manual-prose h3 {
  margin: 2em 0 0.6em;
  font-size: 1.16em;
  font-weight: 700;
  letter-spacing: -0.005em;
  line-height: 1.5;
}

.manual-prose h4 {
  margin: 1.7em 0 0.5em;
  font-family: var(--body);
  font-size: 1em;
  font-weight: 800;
  line-height: 1.6;
}

.manual-prose strong {
  color: var(--deep);
  font-weight: 800;
}

.manual-prose em {
  font-style: normal;
  background: linear-gradient(transparent 62%, rgba(241, 199, 197, 0.75) 62%);
}

.manual-prose a {
  color: var(--m-link);
  text-decoration: underline;
  text-decoration-color: rgba(53, 80, 125, 0.38);
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
  transition: color 160ms ease, background 160ms ease, text-decoration-color 160ms ease;
}

.manual-prose a:hover {
  color: var(--m-link-hover);
  background: rgba(241, 199, 197, 0.4);
  text-decoration-color: var(--m-link-hover);
}

.manual-prose ul,
.manual-prose ol {
  margin: 0 0 1.2em;
  padding-left: 1.5em;
}

.manual-prose li {
  margin: 0.45em 0;
  padding-left: 0.15em;
}

.manual-prose li > ul,
.manual-prose li > ol {
  margin: 0.45em 0 0.2em;
}

.manual-prose li::marker {
  color: var(--blue);
  font-weight: 700;
}

.manual-prose hr {
  height: 0;
  margin: 2.6em 0;
  border: 0;
  border-top: 1px dashed var(--m-rule-strong);
}

.manual-prose blockquote {
  margin: 1.6em 0;
  padding: 4px 0 4px 18px;
  color: #44536f;
  border-left: 4px solid var(--mist);
}

.manual-prose blockquote p:last-child {
  margin-bottom: 0;
}

.manual-flag {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 1px 7px 2px;
  color: var(--deep);
  background: var(--coral);
  border-radius: 6px;
  font-size: 0.78em;
  font-weight: 800;
  letter-spacing: 0.02em;
  vertical-align: 0.08em;
}

/* 标题锚点：不占版面，悬停或键盘聚焦时出现 */
.manual-anchor {
  margin-left: 8px;
  color: var(--blue);
  font-size: 0.7em;
  font-weight: 400;
  text-decoration: none;
  opacity: 0;
  transition: opacity 140ms ease;
}

.manual-prose h2:hover .manual-anchor,
.manual-prose h3:hover .manual-anchor,
.manual-anchor:focus-visible {
  opacity: 1;
}

@media (hover: none) {
  .manual-anchor {
    opacity: 0.45;
  }
}

/* 行内代码 */
.manual-prose :not(pre) > code {
  padding: 0.14em 0.4em;
  color: #22325a;
  background: #edf2fa;
  border: 1px solid rgba(96, 122, 169, 0.22);
  border-radius: 5px;
  font-family: var(--m-mono);
  font-size: 0.86em;
  overflow-wrap: anywhere;
}

.manual-prose kbd {
  padding: 0.1em 0.42em;
  color: var(--deep);
  background: var(--white);
  border: 1px solid var(--m-rule-strong);
  border-bottom-width: 2px;
  border-radius: 5px;
  font-family: var(--m-mono);
  font-size: 0.82em;
}

/* 代码块 */
.manual-prose .manual-code {
  margin: 1.6em 0;
  background: var(--m-code-bg);
  border-radius: 14px;
  overflow: hidden;
}

.manual-code-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 9px 12px 9px 16px;
  background: rgba(255, 255, 255, 0.06);
  border-bottom: 1px solid rgba(255, 255, 255, 0.09);
}

.manual-code-lang {
  color: #a9bade;
  font-family: var(--m-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.manual-code-copy {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 28px;
  padding: 0 10px;
  color: #c6d4ee;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 7px;
  font-size: 12px;
  font-weight: 600;
  transition: background 140ms ease, color 140ms ease;
}

.manual-code-copy:hover {
  color: var(--white);
  background: rgba(255, 255, 255, 0.16);
}

.manual-code-copy.is-done {
  color: #9fe0b4;
  border-color: rgba(159, 224, 180, 0.4);
}

.manual-prose pre {
  margin: 0;
  padding: 18px 18px 20px;
  color: var(--m-code-text);
  font-family: var(--m-mono);
  font-size: 13.5px;
  line-height: 1.75;
  overflow-x: auto;
  tab-size: 2;
  -webkit-overflow-scrolling: touch;
}

.manual-prose pre code {
  color: inherit;
  font: inherit;
  white-space: pre;
}

/* 提示块 */
.manual-callout {
  margin: 1.7em 0;
  padding: 16px 18px 14px;
  background: var(--m-surface-soft);
  border: 1px solid var(--m-rule);
  border-left: 4px solid var(--blue);
  border-radius: 0 12px 12px 0;
}

.manual-callout-title {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 7px;
  color: var(--deep);
  font-family: var(--body);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.04em;
}

.manual-callout-title svg {
  width: 16px;
  height: 16px;
  flex: 0 0 auto;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.manual-callout p {
  margin: 0;
  color: #40506f;
  font-size: 15.5px;
  line-height: 1.82;
}

.manual-callout p + p {
  margin-top: 0.7em;
}

.manual-callout.is-tip {
  background: #eef6f1;
  border-left-color: #4c8a5c;
}

.manual-callout.is-tip .manual-callout-title {
  color: #2f5138;
}

.manual-callout.is-warn {
  background: #fdf5ea;
  border-left-color: #c08a3e;
}

.manual-callout.is-warn .manual-callout-title {
  color: #6f4c19;
}

.manual-callout.is-danger {
  background: #fdeef0;
  border-left-color: #b4556a;
}

.manual-callout.is-danger .manual-callout-title {
  color: #7c2f40;
}

.manual-callout.is-deprecated {
  background: #f4f2f6;
  border-left-color: #8b7f9c;
}

.manual-callout.is-deprecated .manual-callout-title {
  color: #574c68;
}

/* 表格 */
.manual-table-wrap {
  margin: 1.7em 0;
  border: 1px solid var(--m-rule);
  border-radius: 12px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.manual-prose table {
  width: 100%;
  min-width: 480px;
  border-collapse: collapse;
  font-size: 14.5px;
  line-height: 1.7;
}

.manual-prose caption {
  padding: 12px 14px 0;
  color: var(--m-meta);
  font-size: 12.5px;
  text-align: left;
}

.manual-prose th,
.manual-prose td {
  padding: 11px 14px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--m-rule);
}

.manual-prose th {
  color: var(--deep);
  background: #f0f4fa;
  font-weight: 800;
  white-space: nowrap;
}

.manual-prose tbody tr:last-child td {
  border-bottom: 0;
}

.manual-prose tbody tr:hover {
  background: #fafcff;
}

/* 图片 */
.manual-prose figure {
  margin: 1.8em 0;
}

.manual-prose figure img {
  display: block;
  width: 100%;
  height: auto;
  background: var(--m-surface-soft);
  border: 1px solid var(--m-rule);
  border-radius: 12px;
  /* 配图是米色纸面水彩，压一层很浅的投影，和正文纸张区分开 */
  box-shadow: 0 10px 26px rgba(32, 45, 82, 0.09);
}

.manual-prose figcaption {
  margin-top: 10px;
  color: var(--m-meta);
  font-size: 13px;
  line-height: 1.7;
  text-align: center;
}

@media (max-width: 700px) {
  .manual-prose figure {
    margin: 1.5em 0;
  }

  .manual-prose figcaption {
    font-size: 12.5px;
    text-align: left;
  }
}

/* 版本提示：走正常行内折行，flex 会把中间的 code 拆成独立块 */
.manual-version {
  margin: 22px 0 0;
  padding: 13px 16px;
  color: #3d4d6d;
  background: #f2f6fc;
  border: 1px solid rgba(96, 122, 169, 0.24);
  border-radius: 12px;
  font-size: 13.5px;
  line-height: 1.7;
}

.manual-version strong {
  display: inline-block;
  margin-right: 10px;
  color: var(--deep);
  font-weight: 800;
}

/* 目录 */
.manual-toc {
  position: sticky;
  top: 108px;
  align-self: start;
  max-height: calc(100vh - 136px);
  padding: 4px 0 30px;
  overflow-y: auto;
  overscroll-behavior: contain;
}

.manual-toc-title {
  margin: 0 0 12px;
  color: var(--m-meta);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.manual-toc ol {
  margin: 0;
  padding: 0;
  list-style: none;
  border-left: 2px solid var(--m-rule);
}

.manual-toc li {
  margin: 0;
}

.manual-toc a {
  display: block;
  padding: 6px 0 6px 14px;
  margin-left: -2px;
  color: var(--m-meta);
  border-left: 2px solid transparent;
  font-size: 13px;
  font-weight: 600;
  line-height: 1.55;
  transition: color 160ms ease, border-color 160ms ease;
}

.manual-toc a:hover {
  color: var(--deep);
  border-left-color: rgba(96, 122, 169, 0.5);
}

.manual-toc a[aria-current="true"] {
  color: var(--deep);
  border-left-color: var(--coral);
  font-weight: 800;
}

.manual-toc .is-sub a {
  padding-left: 28px;
  font-size: 12.5px;
  font-weight: 500;
}

.manual-toc-details {
  margin: 26px 0 0;
  background: var(--white);
  border: 1px solid var(--m-rule);
  border-radius: 12px;
}

.manual-toc-details > summary {
  padding: 13px 16px;
  color: var(--deep);
  cursor: pointer;
  font-size: 14px;
  font-weight: 700;
  list-style: none;
}

.manual-toc-details > summary::-webkit-details-marker {
  display: none;
}

.manual-toc-details > summary::after {
  float: right;
  content: "＋";
  color: var(--blue);
  font-weight: 700;
}

.manual-toc-details[open] > summary::after {
  content: "－";
}

.manual-toc-details > summary::before {
  margin-right: 8px;
  content: "";
}

.manual-toc-details .manual-toc {
  /* 窄屏会把侧栏目录 display:none，折叠面板里的这份要显式放回来 */
  display: block;
  position: static;
  max-height: none;
  padding: 0 16px 16px;
  overflow: visible;
}

.manual-toc-details .manual-toc-title {
  display: none;
}

/* 文章结尾 */
.manual-article-footer {
  margin-top: 56px;
  padding-top: 30px;
  border-top: 1px solid var(--m-rule);
}

.manual-facts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(128px, 1fr));
  gap: 12px;
  margin: 0;
  padding: 0;
}

.manual-facts div {
  padding: 13px 15px;
  background: var(--m-surface-soft);
  border-radius: 12px;
}

.manual-facts dt {
  margin: 0 0 3px;
  color: var(--m-meta);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.06em;
}

.manual-facts dd {
  margin: 0;
  color: var(--deep);
  font-size: 14px;
  font-weight: 700;
  line-height: 1.6;
}

.manual-block {
  margin-top: 34px;
}

.manual-block > h2 {
  margin: 0 0 14px;
  color: var(--deep);
  font-family: var(--round);
  font-size: 19px;
  font-weight: 700;
}

.manual-sources {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: manual-source;
}

.manual-sources li {
  position: relative;
  padding: 11px 0 11px 34px;
  border-bottom: 1px dashed var(--m-rule);
  counter-increment: manual-source;
  font-size: 14px;
  line-height: 1.7;
}

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

.manual-sources li::before {
  position: absolute;
  top: 11px;
  left: 0;
  display: grid;
  place-items: center;
  width: 23px;
  height: 23px;
  content: counter(manual-source);
  color: var(--blue);
  background: var(--m-surface-soft);
  border-radius: 6px;
  font-size: 11px;
  font-weight: 800;
}

.manual-sources a {
  color: var(--m-link);
  text-decoration: underline;
  text-underline-offset: 3px;
  overflow-wrap: anywhere;
}

.manual-sources small {
  display: block;
  color: var(--m-meta);
  font-size: 12px;
}

.manual-changelog {
  width: 100%;
  border-collapse: collapse;
  font-size: 13.5px;
}

.manual-changelog th,
.manual-changelog td {
  padding: 10px 12px;
  text-align: left;
  border-bottom: 1px solid var(--m-rule);
}

.manual-changelog th {
  color: var(--m-meta);
  font-size: 11.5px;
  font-weight: 800;
  letter-spacing: 0.06em;
}

.manual-changelog td:first-child {
  color: var(--deep);
  font-weight: 700;
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}

.manual-feedback {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px;
  background: linear-gradient(135deg, #fdf3f3, var(--white) 68%);
  border: 1px solid rgba(241, 199, 197, 0.7);
  border-radius: var(--m-radius);
}

.manual-feedback p {
  margin: 0;
  max-width: 30em;
  color: #40506f;
  font-size: 14px;
  line-height: 1.7;
}

.manual-feedback strong {
  display: block;
  margin-bottom: 3px;
  color: var(--deep);
  font-size: 15px;
}

.manual-feedback-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.manual-pager {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 34px;
}

.manual-pager a {
  display: grid;
  gap: 4px;
  padding: 16px 18px;
  background: var(--white);
  border: 1px solid var(--m-rule);
  border-radius: 12px;
  transition: border-color 180ms ease, transform 180ms ease;
}

.manual-pager a:hover {
  border-color: rgba(96, 122, 169, 0.5);
  transform: translateY(-2px);
}

.manual-pager span {
  color: var(--m-meta);
  font-size: 12px;
  font-weight: 700;
}

.manual-pager strong {
  color: var(--deep);
  font-size: 14.5px;
  font-weight: 700;
  line-height: 1.5;
}

.manual-pager a:last-child {
  text-align: right;
}

.manual-related {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.manual-related a {
  display: block;
  height: 100%;
  padding: 16px;
  background: var(--white);
  border: 1px solid var(--m-rule);
  border-radius: 12px;
  transition: border-color 180ms ease, transform 180ms ease;
}

.manual-related a:hover {
  border-color: rgba(96, 122, 169, 0.5);
  transform: translateY(-2px);
}

.manual-related strong {
  display: block;
  color: var(--deep);
  font-size: 14.5px;
  font-weight: 700;
  line-height: 1.5;
}

.manual-related span {
  display: block;
  margin-top: 5px;
  color: var(--m-meta);
  font-size: 12.5px;
  line-height: 1.6;
}

.manual-back-top {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin-top: 30px;
  color: var(--m-meta);
  font-size: 13px;
  font-weight: 700;
}

.manual-back-top:hover {
  color: var(--deep);
}

/* ------------------------------ 文章增强块 -------------------------------- */

/* 能做 / 做不到：两栏对照比一串句子更容易扫 */
.manual-compare {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin: 1.7em 0;
}

.manual-compare-col {
  padding: 16px 18px 14px;
  background: var(--m-surface-soft);
  border: 1px solid var(--m-rule);
  border-radius: 12px;
}

.manual-compare-title {
  margin: 0 0 8px;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.04em;
}

.manual-compare-col.is-yes {
  background: #eef6f1;
  border-color: rgba(76, 138, 92, 0.26);
}

.manual-compare-col.is-yes .manual-compare-title {
  color: #2f5138;
}

.manual-compare-col.is-no {
  background: #fdf3f4;
  border-color: rgba(180, 85, 106, 0.22);
}

.manual-compare-col.is-no .manual-compare-title {
  color: #7c2f40;
}

.manual-compare-col ul {
  margin: 0;
  padding-left: 1.2em;
  font-size: 15.5px;
  line-height: 1.8;
}

.manual-compare-col li {
  margin: 0.25em 0;
}

/* 可勾选检查清单：无 JS 时是普通复选框，有 JS 才出现计数和清空 */
.manual-checklist {
  margin: 1.5em 0;
  padding: 14px 18px;
  background: var(--white);
  border: 1px solid var(--m-rule);
  border-radius: 14px;
}

.manual-checklist-bar {
  display: none;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin: 0 0 8px;
  padding-bottom: 10px;
  border-bottom: 1px dashed var(--m-rule);
  color: var(--m-meta);
  font-size: 12.5px;
  font-weight: 700;
}

.manual-js .manual-checklist-bar {
  display: flex;
}

.manual-checklist-count:empty {
  display: none;
}

.manual-checklist-reset {
  padding: 4px 10px;
  color: var(--m-meta);
  background: var(--m-surface-soft);
  border: 1px solid var(--m-rule);
  border-radius: 999px;
  font-size: 11.5px;
  font-weight: 700;
  cursor: pointer;
  transition: color 140ms ease, border-color 140ms ease, background 140ms ease;
}

.manual-checklist-reset:hover {
  color: var(--deep);
  background: var(--mist);
  border-color: rgba(96, 122, 169, 0.4);
}

.manual-checklist-reset[hidden] {
  display: none;
}

.manual-checklist ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.manual-checklist li {
  margin: 0;
  padding: 0;
}

.manual-checklist li + li {
  border-top: 1px solid rgba(22, 33, 61, 0.07);
}

.manual-checklist label {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 10px 4px;
  border-radius: 8px;
  font-size: 15.5px;
  line-height: 1.72;
  cursor: pointer;
  transition: background 140ms ease;
}

.manual-checklist label:hover {
  background: #f6f9fe;
}

.manual-checklist label:focus-within {
  outline: 2px solid var(--blue);
  outline-offset: 2px;
}

.manual-checklist input[type="checkbox"] {
  flex: 0 0 auto;
  width: 18px;
  height: 18px;
  margin: 4px 0 0;
  accent-color: var(--blue);
  cursor: pointer;
}

.manual-checklist input:checked + span {
  color: var(--m-meta);
  text-decoration: line-through;
  text-decoration-color: rgba(91, 104, 132, 0.45);
}

/* ------------------------------- 响应式 ---------------------------------- */

@media (max-width: 1100px) {
  /* 终端卡压在立绘下沿；底部留空间，并隐藏装饰性图注避免被盖住 */
  .manual-hero-art {
    padding-bottom: 88px;
  }

  .manual-hero-figure figcaption {
    display: none;
  }

  .manual-article-layout {
    grid-template-columns: minmax(0, 1fr);
    max-width: calc(var(--m-measure) + 8px);
    margin-inline: auto;
  }

  /* 单列时清掉显式列位置，否则会生成隐式列把正文挤走 */
  .manual-article,
  .manual-article-layout > aside {
    grid-column: auto;
  }

  .manual-crumbs-bar {
    display: block;
    max-width: calc(var(--m-measure) + 8px);
    margin-inline: auto;
    padding: 26px 2px 0;
  }

  .manual-toc {
    display: none;
  }

  .manual-toc-details {
    display: block;
  }
}

@media (min-width: 1101px) {
  .manual-toc-details {
    display: none;
  }
}

@media (max-width: 900px) {
  .manual-hero {
    grid-template-columns: minmax(0, 1fr);
    padding: 30px 2px 48px;
  }

  /* 手机上先读标题和简介，立绘组合放在后面 */
  .manual-hero-art {
    min-height: 500px;
    max-width: 420px;
    margin: 4px auto 0;
  }

  .manual-hero-figure {
    width: min(300px, 76%);
  }

  .manual-hero-chip {
    display: none;
  }

  .manual-card {
    grid-template-columns: 40px minmax(0, 1fr);
    padding: 18px 18px 16px;
  }

  .manual-card-arrow {
    display: none;
  }
}

@media (max-width: 700px) {
  .manual-page {
    padding-bottom: 84px;
  }

  /* 文章页的面包屑内层 padding 已由 .manual-crumbs-bar 接管，这里只调外层 */
  .manual-crumbs-bar {
    padding-top: 18px;
  }

  .manual-crumbs {
    padding-top: 18px;
    font-size: 12px;
  }

  .manual-prose {
    font-size: 16.5px;
    line-height: 1.92;
  }

  .manual-prose h2 {
    margin-top: 2.2em;
    padding-left: 13px;
    font-size: 1.3em;
  }

  .manual-article-header h1 {
    font-size: clamp(1.55rem, 6.4vw, 2rem);
  }

  .manual-article-lede {
    font-size: 16px;
  }

  .manual-compare {
    grid-template-columns: minmax(0, 1fr);
  }

  .manual-checklist {
    padding: 12px 13px;
  }

  .manual-checklist label {
    font-size: 15px;
  }

  .manual-hero-copy h1 {
    font-size: clamp(1.95rem, 8vw, 2.6rem);
  }

  .manual-lede {
    font-size: 16px;
  }

  .manual-hero-art {
    min-height: 0;
    padding-bottom: 72px;
  }

  .manual-hero-figure {
    width: min(272px, 80%);
    margin-inline: auto;
  }

  .manual-hero-terminal {
    bottom: 0;
    left: 0;
    width: min(240px, 66%);
  }

  .manual-hero-terminal pre {
    font-size: 9.5px;
  }

  .manual-pager {
    grid-template-columns: minmax(0, 1fr);
  }

  .manual-pager a:last-child {
    text-align: left;
  }

  .manual-feedback {
    padding: 16px;
  }

  .manual-code-head {
    padding: 8px 10px 8px 13px;
  }

  .manual-prose pre {
    padding: 15px 14px 17px;
    font-size: 13px;
  }

  .manual-prose .manual-code {
    margin-inline: -6px;
    border-radius: 12px;
  }

  /* 窄屏表格横向滚动时把行首钉住，滑动过程里始终知道在看哪一行 */
  .manual-prose table {
    min-width: 560px;
  }

  .manual-prose tbody th[scope="row"] {
    position: sticky;
    left: 0;
    z-index: 1;
    background: var(--white);
    box-shadow: 1px 0 0 var(--m-rule);
  }
}

@media (prefers-reduced-motion: reduce) {
  .manual-page *,
  .manual-page *::before,
  .manual-page *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* -------------------------------- 打印 ----------------------------------- */

@media print {
  .manual-page {
    padding: 0;
  }

  .manual-page .grain,
  .manual-page .bubble,
  .manual-page .wave,
  .manual-page .sea-band,
  .manual-page .sea-rays,
  .manual-page .sea-floor,
  .manual-page .site-nav,
  .manual-page .site-footer,
  .manual-page .manual-progress,
  .manual-page .manual-skip,
  .manual-page .manual-toc,
  .manual-page .manual-toc-details,
  .manual-page .manual-code-copy,
  .manual-page .manual-back-top,
  .manual-page .manual-pager,
  .manual-page .manual-feedback {
    display: none !important;
  }

  .manual-page,
  .manual-page .manual-prose {
    background: #fff !important;
    color: #000;
  }

  .manual-article-layout {
    display: block;
    max-width: none;
    padding: 0;
  }

  .manual-prose {
    font-size: 11pt;
    line-height: 1.7;
  }

  .manual-prose a {
    color: #000;
    text-decoration: underline;
  }

  .manual-prose a[href^="http"]::after {
    content: " (" attr(href) ")";
    font-size: 0.8em;
    word-break: break-all;
  }

  .manual-prose h2,
  .manual-prose h3 {
    break-after: avoid;
  }

  .manual-prose pre,
  .manual-prose table,
  .manual-prose figure,
  .manual-callout {
    break-inside: avoid;
  }

  .manual-prose pre {
    color: #000;
    background: #f4f4f4;
    border: 1px solid #ccc;
    white-space: pre-wrap;
  }
}