/* ==========================================================================
   漫蛙官网 · 纸面排版
   视觉：纸白 + 墨黑 + 朱红；细线分隔、刊号、表格；不使用卡片网格
   命名：全站 mw- 前缀
   ========================================================================== */

:root {
  --paper: #fbfaf7;
  --paper-2: #f1efe8;
  --paper-3: #e9e6dc;
  --ink: #16150f;
  --ink-2: #3f3c33;
  --muted: #7c7769;
  --line: #ddd8ca;
  --line-strong: #c9c3b2;
  --red: #c8452a;
  --red-soft: rgba(200, 69, 42, 0.08);
  --serif: Georgia, "Times New Roman", "Songti SC", "SimSun", serif;
  --sans: "PingFang SC", "HarmonyOS Sans SC", "Source Han Sans SC", "Microsoft YaHei", "Noto Sans SC", system-ui,
    -apple-system, "Segoe UI", sans-serif;
  --mono: ui-monospace, SFMono-Regular, "JetBrains Mono", Menlo, Consolas, monospace;
  --w: 1200px;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 88px;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

body.mw-nav-open {
  overflow: hidden;
}

img,
svg {
  display: block;
  max-width: 100%;
}

img {
  height: auto;
}

svg {
  width: 1.1em;
  height: 1.1em;
  flex: none;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  cursor: pointer;
}

h1,
h2,
h3,
p,
ul,
ol,
dl,
dd,
figure,
blockquote {
  margin: 0;
}

ul,
ol {
  padding: 0;
}

::selection {
  background: var(--red);
  color: var(--paper);
}

:focus-visible {
  outline: 2px solid var(--red);
  outline-offset: 3px;
}

.mw-sr {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.mw-skip {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 200;
  padding: 8px 14px;
  background: var(--ink);
  color: var(--paper);
  transform: translateY(-150%);
  transition: transform 0.2s var(--ease);
}

.mw-skip:focus {
  transform: none;
}

.mw-wrap {
  width: 100%;
  max-width: var(--w);
  margin-inline: auto;
  padding-inline: clamp(20px, 4vw, 44px);
}

/* ---------------- 按钮 ---------------- */

.mw-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 20px;
  border: 1px solid var(--ink);
  border-radius: 2px;
  background: transparent;
  color: var(--ink);
  font-size: 14.5px;
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: 0.01em;
  white-space: nowrap;
  transition: background-color 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.mw-btn svg {
  width: 17px;
  height: 17px;
}

.mw-btn--ink {
  background: var(--ink);
  color: var(--paper);
}

.mw-btn--ink:hover {
  background: var(--red);
  border-color: var(--red);
}

.mw-btn--line:hover {
  border-color: var(--red);
  color: var(--red);
}

.mw-btn--quiet {
  border-color: transparent;
  padding-inline: 2px;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 5px;
  text-decoration-color: var(--line-strong);
}

.mw-btn--quiet:hover {
  color: var(--red);
  text-decoration-color: var(--red);
}

.mw-btn--paper {
  background: var(--paper);
  color: var(--ink);
  border-color: var(--paper);
}

.mw-btn--paper:hover {
  background: var(--red);
  border-color: var(--red);
  color: var(--paper);
}

.mw-btn--line-light {
  border-color: rgba(251, 250, 247, 0.4);
  color: var(--paper);
}

.mw-btn--line-light:hover {
  border-color: var(--paper);
}

.mw-btn--sm {
  padding: 9px 13px;
  font-size: 13px;
}

.mw-btn--lg {
  padding: 14px 22px;
  font-size: 15px;
}

/* ---------------- 公告条 ---------------- */

.mw-notice {
  background: var(--ink);
  color: rgba(251, 250, 247, 0.86);
  font-size: 12.5px;
}

.mw-notice__inner {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 38px;
  padding-block: 7px;
  flex-wrap: wrap;
}

.mw-notice__dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--red);
  flex: none;
}

.mw-notice__text {
  flex: 1;
  min-width: 0;
}

.mw-notice__link {
  color: var(--paper);
  border-bottom: 1px solid rgba(251, 250, 247, 0.4);
  white-space: nowrap;
}

.mw-notice__link i {
  font-style: normal;
  margin-left: 4px;
}

/* ---------------- 页头 ---------------- */

.mw-head {
  position: sticky;
  top: 0;
  z-index: 60;
  background: var(--paper);
  border-bottom: 1px solid var(--line);
}

.mw-head__inner {
  display: flex;
  align-items: center;
  gap: 24px;
  height: 70px;
}

.mw-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex: none;
}

.mw-brand__logo {
  width: 36px;
  height: 36px;
  object-fit: contain;
}

.mw-brand__text strong {
  display: block;
  font-size: 18px;
  font-weight: 800;
  letter-spacing: 0.04em;
  line-height: 1.1;
}

.mw-brand__text i {
  display: block;
  font-family: var(--serif);
  font-style: normal;
  font-size: 10px;
  letter-spacing: 0.24em;
  color: var(--muted);
  margin-top: 1px;
}

.mw-nav {
  display: flex;
  align-items: center;
  gap: 26px;
  margin-left: auto;
}

.mw-nav__close {
  display: none;
}

.mw-nav__link {
  font-size: 14px;
  color: var(--ink-2);
  padding: 6px 0;
  border-bottom: 1px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.mw-nav__link:hover {
  color: var(--red);
  border-color: var(--red);
}

.mw-nav__link.is-active {
  color: var(--ink);
  border-color: var(--ink);
}

.mw-head__cta {
  margin-left: 4px;
}

.mw-burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 38px;
  height: 38px;
  padding: 0 7px;
  border: 1px solid var(--line-strong);
}

.mw-burger span {
  display: block;
  height: 1.5px;
  background: var(--ink);
  transition: transform 0.25s var(--ease), opacity 0.2s var(--ease);
}

.mw-burger[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(3.75px) rotate(45deg);
}

.mw-burger[aria-expanded="true"] span:nth-child(2) {
  transform: translateY(-3.75px) rotate(-45deg);
}

/* ---------------- 通用文字 ---------------- */

.mw-kicker {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--serif);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--red);
  text-transform: uppercase;
}

.mw-kicker::before {
  content: "";
  width: 28px;
  height: 1px;
  background: currentColor;
}

.mw-kicker--invert {
  color: rgba(251, 250, 247, 0.55);
}

.mw-h1 {
  margin-top: 18px;
  font-size: clamp(32px, 4.6vw, 58px);
  font-weight: 800;
  line-height: 1.16;
  letter-spacing: -0.025em;
}

.mw-h1 span {
  display: block;
  margin-top: 8px;
  font-family: var(--serif);
  font-size: 0.72em;
  font-weight: 600;
  letter-spacing: 0;
  color: var(--red);
  line-height: 1.25;
}

.mw-lead {
  margin-top: 20px;
  max-width: 36em;
  font-size: 16.5px;
  line-height: 1.9;
  color: var(--ink-2);
  text-wrap: pretty;
}

.mw-metaline {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0;
  margin-top: 24px;
  padding: 0;
  list-style: none;
  font-size: 13px;
  color: var(--muted);
}

.mw-metaline li {
  padding: 0 14px;
  border-left: 1px solid var(--line);
  line-height: 1.6;
}

.mw-metaline li:first-child {
  padding-left: 0;
  border-left: 0;
}

.mw-metaline b {
  color: var(--ink);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.mw-metaline time {
  font-variant-numeric: tabular-nums;
  color: var(--ink-2);
}

.mw-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-top: 28px;
}

.mw-note {
  margin-top: 16px;
  font-size: 12.5px;
  line-height: 1.85;
  color: var(--muted);
}

.mw-note a {
  color: var(--ink);
  border-bottom: 1px solid var(--red);
}

.mw-p {
  font-size: 15px;
  line-height: 1.95;
  color: var(--ink-2);
}

.mw-p + .mw-p {
  margin-top: 12px;
}

/* ---------------- Hero ---------------- */

.mw-hero {
  padding: clamp(36px, 5.4vw, 76px) 0 clamp(32px, 4.4vw, 60px);
  border-bottom: 1px solid var(--line);
}

.mw-hero__inner {
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(0, 0.96fr);
  gap: clamp(28px, 5vw, 68px);
  align-items: start;
}

.mw-hero__art {
  display: grid;
  grid-template-columns: 1.42fr 1fr;
  grid-template-rows: 1fr 1fr auto;
  gap: 12px;
  height: clamp(360px, 40vw, 500px);
}

.mw-plate {
  position: relative;
  border: 1px solid var(--line-strong);
  background: var(--paper-2);
  overflow: hidden;
  min-height: 0;
}

.mw-plate--lg {
  grid-row: 1 / 3;
}

.mw-plate img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.mw-plate__cap {
  grid-column: 1 / -1;
  padding-top: 8px;
  border-top: 1px solid var(--line);
  font-size: 11.5px;
  color: var(--muted);
  letter-spacing: 0.02em;
}

/* ---------------- 区块 ---------------- */

.mw-sec {
  padding: clamp(44px, 6vw, 80px) 0;
  border-bottom: 1px solid var(--line);
}

.mw-sec--tint {
  background: var(--paper-2);
}

.mw-sec:last-of-type {
  border-bottom: 0;
}

.mw-sechead {
  display: flex;
  align-items: baseline;
  gap: 16px;
  margin-bottom: clamp(24px, 3vw, 36px);
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.mw-sechead__no {
  font-family: var(--serif);
  font-size: 12.5px;
  letter-spacing: 0.12em;
  color: var(--red);
  flex: none;
}

.mw-sechead__title {
  font-size: clamp(21px, 2.5vw, 30px);
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -0.015em;
  text-wrap: balance;
}

.mw-sechead__line {
  flex: 1;
  height: 1px;
  background: var(--line);
  min-width: 24px;
}

.mw-sechead__note {
  flex: none;
  font-size: 12px;
  color: var(--muted);
  letter-spacing: 0.03em;
}

/* ---------------- 表格 ---------------- */

.mw-tablewrap {
  border-top: 1px solid var(--ink);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.mw-table {
  width: 100%;
  min-width: 660px;
  border-collapse: collapse;
  font-size: 14.5px;
  text-align: left;
}

.mw-table thead th {
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  white-space: nowrap;
}

.mw-table tbody th,
.mw-table tbody td {
  padding: 15px 12px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

.mw-table tbody th {
  font-weight: 700;
  color: var(--ink);
  white-space: nowrap;
}

.mw-table tbody td {
  color: var(--ink-2);
}

.mw-table tbody tr:hover {
  background: var(--red-soft);
}

.mw-table a {
  border-bottom: 1px solid var(--red);
}

.mw-table--compact {
  min-width: 520px;
  font-size: 13.5px;
}

.mw-table--compact tbody th,
.mw-table--compact tbody td {
  padding: 11px 10px;
}

.mw-num {
  font-family: var(--mono);
  font-size: 13px;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.mw-cell-note {
  color: var(--muted);
  font-size: 13px;
}

.mw-tag {
  display: inline-block;
  padding: 2px 8px;
  border: 1px solid var(--line-strong);
  font-size: 11.5px;
  color: var(--ink-2);
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.mw-swipe {
  display: none;
}

/* ---------------- 分栏 ---------------- */

.mw-split {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
  gap: clamp(26px, 4vw, 56px);
  align-items: start;
}

.mw-cols {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
  gap: clamp(24px, 4vw, 52px);
  align-items: start;
}

/* ---------------- 阅读器示意 ---------------- */

.mw-reader {
  border: 1px solid var(--line-strong);
  background: #fff;
}

.mw-reader__bar {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 9px 12px;
  border-bottom: 1px solid var(--line);
  background: var(--paper-2);
}

.mw-reader__bar span {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--line-strong);
}

.mw-reader__bar i {
  margin-left: 8px;
  font-family: var(--mono);
  font-size: 10.5px;
  font-style: normal;
  color: var(--muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.mw-reader__pages {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.mw-reader__pages figure {
  border-right: 1px solid var(--line);
  overflow: hidden;
}

.mw-reader__pages figure:last-child {
  border-right: 0;
}

.mw-reader__pages img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
}

.mw-reader__pages--wide {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.mw-reader__ctrl {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 10px 14px;
  border-top: 1px solid var(--line);
  font-size: 12px;
  color: var(--muted);
}

.mw-reader__ctrl b {
  font-weight: 600;
  color: var(--ink);
  font-size: 12.5px;
}

/* ---------------- 步骤 ---------------- */

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

.mw-steps li {
  display: grid;
  gap: 5px;
  padding: 16px 0;
  border-top: 1px solid var(--line);
}

.mw-steps li:first-child {
  border-top: 0;
  padding-top: 0;
}

.mw-steps b {
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
}

.mw-steps span {
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

.mw-steps--numbered b {
  font-family: var(--sans);
}

/* ---------------- 能力列表 ---------------- */

.mw-features {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 clamp(32px, 5vw, 64px);
  list-style: none;
  margin: 0;
  padding: 0;
}

.mw-features li {
  display: flex;
  gap: 16px;
  padding: 24px 0;
  border-top: 1px solid var(--line);
}

.mw-features__no {
  flex: none;
  padding-top: 3px;
  font-family: var(--serif);
  font-size: 12.5px;
  letter-spacing: 0.1em;
  color: var(--red);
}

.mw-features h3 {
  font-size: 16.5px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.mw-features p {
  margin-top: 6px;
  font-size: 13.8px;
  line-height: 1.85;
  color: var(--muted);
}

/* ---------------- 检查清单 ---------------- */

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

.mw-checks li {
  display: flex;
  gap: 10px;
  padding: 12px 0;
  border-top: 1px solid var(--line);
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-2);
}

.mw-checks li:first-child {
  border-top: 0;
  padding-top: 0;
}

.mw-checks svg {
  width: 15px;
  height: 15px;
  margin-top: 4px;
  color: var(--red);
}

.mw-checks b {
  color: var(--ink);
}

.mw-checks a {
  border-bottom: 1px solid var(--red);
}

/* ---------------- 提示框 ---------------- */

.mw-mirror {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
  gap: clamp(24px, 4vw, 52px);
  align-items: start;
}

.mw-callout {
  border: 1px solid var(--line-strong);
  border-left: 3px solid var(--red);
  padding: 22px 24px;
  background: var(--paper);
}

.mw-callout__ttl {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 700;
  color: var(--ink);
}

.mw-callout__ttl svg {
  width: 16px;
  height: 16px;
  color: var(--red);
}

.mw-callout p:not(.mw-callout__ttl) {
  margin-top: 8px;
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--muted);
}

.mw-callout__link {
  display: inline-block;
  margin-top: 12px;
  font-size: 13.5px;
  color: var(--red);
  border-bottom: 1px solid currentColor;
}

.mw-callout-inline {
  display: flex;
  gap: 8px;
  margin-top: 20px;
  padding-left: 12px;
  border-left: 2px solid var(--red);
  font-size: 13px;
  line-height: 1.8;
  color: var(--muted);
}

.mw-callout-inline svg {
  width: 15px;
  height: 15px;
  margin-top: 4px;
  color: var(--red);
}

/* ---------------- 引语 ---------------- */

.mw-quotes {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
}

.mw-quotes blockquote {
  padding: 0 28px;
  border-left: 1px solid var(--line);
}

.mw-quotes blockquote:first-child {
  padding-left: 0;
  border-left: 0;
}

.mw-quotes p {
  font-size: 15.5px;
  line-height: 1.9;
  color: var(--ink);
  text-indent: -0.4em;
}

.mw-quotes cite {
  display: block;
  margin-top: 14px;
  font-style: normal;
  font-size: 12.5px;
  color: var(--muted);
  letter-spacing: 0.02em;
}

.mw-stats {
  margin-top: 30px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.03em;
  color: var(--muted);
}

/* ---------------- FAQ ---------------- */

.mw-faq {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 clamp(32px, 5vw, 64px);
}

.mw-faq__row {
  padding: 18px 0;
  border-top: 1px solid var(--line);
}

.mw-faq dt {
  font-size: 15px;
  font-weight: 700;
  line-height: 1.65;
  color: var(--ink);
}

.mw-faq dd {
  margin: 7px 0 0;
  font-size: 13.8px;
  line-height: 1.85;
  color: var(--muted);
}

/* ---------------- 时间线 ---------------- */

.mw-timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--ink);
}

.mw-timeline li {
  display: grid;
  grid-template-columns: 66px minmax(0, 1fr);
  gap: 18px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.mw-timeline__date {
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--red);
}

.mw-timeline__text {
  font-size: 14px;
  color: var(--ink-2);
}

/* ---------------- 下载面板 ---------------- */

.mw-dl {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  padding: clamp(26px, 4vw, 42px);
  background: var(--ink);
  color: var(--paper);
}

.mw-dl__title {
  margin-top: 8px;
  font-size: clamp(22px, 2.6vw, 30px);
  font-weight: 800;
  letter-spacing: -0.015em;
}

.mw-dl__meta {
  margin-top: 6px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  color: rgba(251, 250, 247, 0.58);
}

.mw-dl__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.mw-dl--compact {
  padding: 22px 24px;
}

/* ---------------- 内页页头 ---------------- */

.mw-pagehead {
  padding: clamp(30px, 4.4vw, 56px) 0 clamp(26px, 3.6vw, 42px);
  border-bottom: 1px solid var(--line);
}

.mw-crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 20px;
  font-size: 12.5px;
  color: var(--muted);
}

.mw-crumb a {
  border-bottom: 1px solid transparent;
}

.mw-crumb a:hover {
  color: var(--red);
  border-color: var(--red);
}

.mw-crumb i {
  font-style: normal;
  color: var(--line-strong);
}

/* ---------------- 正文页 ---------------- */

.mw-prose {
  max-width: 840px;
}

.mw-prose p {
  margin-top: 12px;
  font-size: 15px;
  line-height: 1.95;
  color: var(--ink-2);
}

.mw-prose ul {
  margin-top: 12px;
  padding-left: 20px;
  list-style: square;
  font-size: 15px;
  line-height: 1.95;
  color: var(--ink-2);
}

.mw-prose li + li {
  margin-top: 4px;
}

/* ---------------- 页脚 ---------------- */

.mw-foot {
  border-top: 1px solid var(--ink);
  padding: clamp(36px, 5vw, 60px) 0 28px;
}

.mw-foot__top {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) repeat(3, minmax(0, 0.7fr));
  gap: clamp(24px, 4vw, 48px);
}

.mw-foot__name {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: 0.04em;
}

.mw-foot__desc {
  margin-top: 10px;
  max-width: 34ch;
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--muted);
}

.mw-foot__ver {
  margin-top: 10px;
  font-family: var(--mono);
  font-size: 11.5px;
  color: var(--muted);
}

.mw-foot__ttl {
  margin-bottom: 10px;
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink);
}

.mw-foot__col a {
  display: block;
  padding: 5px 0;
  font-size: 13.5px;
  color: var(--muted);
}

.mw-foot__col a:hover {
  color: var(--red);
}

.mw-foot__mark {
  margin: clamp(28px, 4vw, 44px) 0 10px;
  font-size: clamp(56px, 11vw, 132px);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.045em;
  color: rgba(22, 21, 15, 0.07);
  user-select: none;
  white-space: nowrap;
}

.mw-foot__mark span {
  margin-left: 0.5em;
  font-family: var(--serif);
  font-size: 0.26em;
  letter-spacing: 0.28em;
  vertical-align: super;
}

.mw-foot__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  font-size: 12.5px;
  color: var(--muted);
}

.mw-foot__meta time {
  color: var(--ink-2);
  font-variant-numeric: tabular-nums;
}

.mw-foot__meta a {
  border-bottom: 1px solid var(--line-strong);
}

.mw-foot__note {
  margin-top: 14px;
  max-width: 110ch;
  font-size: 11.5px;
  line-height: 1.9;
  color: var(--muted);
}

/* ---------------- 404 ---------------- */

.mw-404 {
  padding: clamp(56px, 9vw, 110px) 0;
}

.mw-404__code {
  margin-top: 6px;
  font-family: var(--serif);
  font-size: clamp(88px, 15vw, 168px);
  line-height: 1;
  color: var(--paper-3);
  letter-spacing: -0.02em;
}

.mw-404__title {
  margin-top: -12px;
  font-size: clamp(26px, 3.6vw, 38px);
  font-weight: 800;
  letter-spacing: -0.02em;
}

.mw-404__lead {
  margin-top: 12px;
  max-width: 42em;
  font-size: 15px;
  color: var(--muted);
}

.mw-404__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}

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

@media (max-width: 1024px) {
  .mw-hero__inner {
    gap: 34px;
  }

  .mw-features {
    gap: 0 32px;
  }
}

@media (max-width: 900px) {
  html {
    scroll-padding-top: 78px;
  }

  .mw-head__inner {
    height: 62px;
    gap: 14px;
  }

  .mw-nav {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    z-index: 70;
    width: min(320px, 86vw);
    margin: 0;
    padding: 92px 24px 24px;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--paper);
    border-left: 1px solid var(--line);
    transform: translateX(100%);
    transition: transform 0.3s var(--ease);
  }

  .mw-nav.is-open {
    transform: none;
    box-shadow: 0 0 0 100vmax rgba(22, 21, 15, 0.35);
  }

  .mw-nav__close {
    position: absolute;
    top: 14px;
    right: 18px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 2px;
    font-size: 13px;
    color: var(--muted);
  }

  .mw-nav__close i {
    font-style: normal;
    font-size: 20px;
    line-height: 1;
    color: var(--ink);
  }

  .mw-nav__link {
    padding: 14px 0;
    font-size: 17px;
    border-bottom: 1px solid var(--line);
  }

  .mw-nav__link.is-active {
    padding-left: 10px;
    border-left: 2px solid var(--red);
    border-bottom-color: var(--line);
  }

  .mw-burger {
    display: flex;
    margin-left: auto;
  }

  .mw-head__cta {
    display: none;
  }

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

  .mw-hero__art {
    height: clamp(320px, 72vw, 420px);
    margin-top: 8px;
  }

  .mw-split,
  .mw-cols,
  .mw-mirror {
    grid-template-columns: minmax(0, 1fr);
  }

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

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

  .mw-quotes blockquote {
    padding: 18px 0;
    border-left: 0;
    border-top: 1px solid var(--line);
  }

  .mw-quotes blockquote:first-child {
    border-top: 0;
    padding-top: 0;
  }

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

  .mw-foot__top {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .mw-foot__brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 640px) {
  .mw-notice__inner {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    gap: 4px 8px;
    padding-block: 8px;
  }

  .mw-notice__dot {
    grid-column: 1;
    grid-row: 1;
    margin-top: 9px;
  }

  .mw-notice__text {
    grid-column: 2;
    grid-row: 1;
    font-size: 12px;
  }

  .mw-notice__link {
    grid-column: 2;
    grid-row: 2;
    justify-self: start;
  }

  .mw-brand__text i {
    display: none;
  }

  .mw-h1 {
    font-size: clamp(29px, 8.6vw, 36px);
  }

  .mw-h1 span {
    font-size: 0.78em;
  }

  .mw-lead {
    font-size: 15px;
  }

  .mw-metaline {
    font-size: 12px;
    row-gap: 6px;
  }

  .mw-metaline li {
    padding: 0 10px;
  }

  .mw-actions .mw-btn:not(.mw-btn--quiet) {
    flex: 1 1 auto;
  }

  .mw-sechead {
    flex-wrap: wrap;
    gap: 6px 12px;
  }

  .mw-sechead__line {
    display: none;
  }

  .mw-sechead__note {
    flex-basis: 100%;
  }

  .mw-sechead__title {
    flex: 1;
  }

  .mw-hero__art {
    height: 340px;
  }

  .mw-reader__pages--wide {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .mw-reader__pages--wide figure:nth-child(2) {
    border-right: 0;
  }

  .mw-reader__pages--wide figure:nth-child(3),
  .mw-reader__pages--wide figure:nth-child(4) {
    border-top: 1px solid var(--line);
  }

  .mw-dl {
    align-items: stretch;
  }

  .mw-dl__actions {
    width: 100%;
  }

  .mw-dl__actions .mw-btn {
    flex: 1 1 auto;
  }

  .mw-foot__top {
    grid-template-columns: minmax(0, 1fr);
    gap: 22px;
  }

  .mw-foot__mark {
    font-size: clamp(48px, 16vw, 76px);
  }

  .mw-timeline li {
    grid-template-columns: 56px minmax(0, 1fr);
    gap: 12px;
  }

  .mw-swipe {
    display: block;
    margin-top: 8px;
    font-size: 11.5px;
    color: var(--muted);
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .mw-nav,
  .mw-btn,
  .mw-burger span,
  .mw-skip {
    transition: none;
  }
}