@import url("https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;500;600;700&family=Inter:wght@400;500;600;700&family=Noto+Sans+SC:wght@400;500;600;700&family=Noto+Serif+SC:wght@500;600;700&family=Playfair+Display:wght@500;600;700&display=swap");

:root {
  color-scheme: dark light;
  --bg: #030403;
  --ink: #f5f4ee;
  --muted: rgba(245, 244, 238, 0.45);
  --muted-strong: rgba(245, 244, 238, 0.7);
  --line: rgba(245, 244, 238, 0.08);
  --line-strong: rgba(245, 244, 238, 0.2);
  --panel: rgba(9, 10, 9, 0.84);
  --accent: #eaf06a;
  --bluegreen: #77b5a6;
  --shadow: 0 28px 90px rgba(0, 0, 0, 0.58);
  --gutter: clamp(20px, 3vw, 48px);
  --scene-x: 0;
  --scene-y: 0;
  --font-en-display: "Playfair Display", Georgia, "Times New Roman", serif;
  --font-en-body: "Inter", "Helvetica Neue", Arial, sans-serif;
  --font-zh-display: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "SimSun", serif;
  --font-zh-body: "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-display: var(--font-en-display);
  --font-body: var(--font-en-body);
  --font-mono: "IBM Plex Mono", "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

:root:lang(zh-CN) {
  --font-display: var(--font-zh-display);
  --font-body: var(--font-zh-body);
}

* {
  box-sizing: border-box;
  min-width: 0;
}

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

html {
  min-height: 100%;
  overflow-x: hidden;
  background: var(--bg);
}

body {
  min-height: 100%;
  margin: 0;
  overflow-x: hidden;
  background:
    linear-gradient(rgba(245, 244, 238, 0.052) 1px, transparent 1px),
    linear-gradient(90deg, rgba(245, 244, 238, 0.038) 1px, transparent 1px),
    #030403;
  background-size: 52px 52px, 52px 52px, auto;
  color: var(--ink);
  font-family: var(--font-body);
}

body.landing-page {
  --bg: #030403;
  --ink: #f5f4ee;
  --muted: rgba(245, 244, 238, 0.42);
  --muted-strong: rgba(245, 244, 238, 0.68);
  --line: rgba(245, 244, 238, 0.08);
  --line-strong: rgba(245, 244, 238, 0.18);
  --panel: rgba(9, 10, 9, 0.88);
  --shadow: 0 28px 90px rgba(0, 0, 0, 0.58);
  background:
    linear-gradient(rgba(245, 244, 238, 0.048) 1px, transparent 1px),
    linear-gradient(90deg, rgba(245, 244, 238, 0.034) 1px, transparent 1px),
    #030403;
  background-size: 52px 52px, 52px 52px, auto;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -2;
  content: "";
  background: none;
  opacity: 0;
}

body.landing-page::before {
  background: none;
  transform: translate3d(calc(var(--scene-x) * -8px), calc(var(--scene-y) * -6px), 0);
}

body::after {
  position: fixed;
  inset: 0;
  z-index: -1;
  content: "";
  background: rgba(0, 0, 0, 0);
  pointer-events: none;
  transition: background 220ms ease;
}

body.landing-page::after {
  background:
    repeating-radial-gradient(circle at 20% 30%, rgba(245, 244, 238, 0.035) 0 1px, transparent 1px 4px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.018), transparent 18% 82%, rgba(255, 255, 255, 0.014));
  opacity: 0.18;
  mix-blend-mode: overlay;
}

.intro-loader {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: transparent;
  cursor: pointer;
  overflow: hidden;
  transition:
    opacity 540ms ease,
    visibility 540ms ease,
    transform 540ms ease;
}

.intro-loader.is-done {
  opacity: 0;
  pointer-events: none;
  transform: scale(1.04);
  visibility: hidden;
}

.intro-loader.is-skipped {
  display: none;
}

.intro-slice {
  position: absolute;
  left: 0;
  right: 0;
  height: 50.5%;
  background:
    linear-gradient(rgba(245, 244, 238, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(245, 244, 238, 0.04) 1px, transparent 1px),
    radial-gradient(circle at 50% 50%, rgba(119, 181, 166, 0.12), transparent 42%),
    #030403;
  background-size: 44px 44px, 44px 44px, auto, auto;
  overflow: hidden;
  transition:
    transform 1180ms cubic-bezier(0.76, 0, 0.24, 1),
    clip-path 1180ms cubic-bezier(0.76, 0, 0.24, 1),
    filter 820ms ease;
  will-change: transform, clip-path;
}

.intro-slice-top {
  top: 0;
  clip-path: polygon(0 0, 100% 0, 100% 100%, 87% 96%, 73% 100%, 58% 94%, 42% 100%, 27% 96%, 13% 100%, 0 95%);
}

.intro-slice-bottom {
  bottom: 0;
  clip-path: polygon(0 5%, 13% 0, 27% 4%, 42% 0, 58% 6%, 73% 0, 87% 4%, 100% 0, 100% 100%, 0 100%);
}

.intro-loader.is-splitting .intro-slice-top {
  filter: brightness(1.22) saturate(1.14);
  transform: translateY(-104%) skewY(-1.2deg);
}

.intro-loader.is-splitting .intro-slice-bottom {
  filter: brightness(1.22) saturate(1.14);
  transform: translateY(104%) skewY(1.2deg);
}

.intro-copy {
  position: absolute;
  left: 50%;
  display: grid;
  width: min(980px, calc(100vw - 44px));
  text-align: center;
  transform: translateX(-50%);
}

.intro-copy-top {
  bottom: 34px;
}

.intro-copy-bottom {
  top: 34px;
}

.intro-copy h1 {
  margin: 0;
}

.intro-copy h1 {
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 7.2rem;
  font-weight: 620;
  line-height: 0.95;
  white-space: nowrap;
}

.intro-copy-top h1 {
  text-transform: lowercase;
}

.intro-copy-bottom h1 {
  font-size: 3.55rem;
  font-weight: 580;
}

.intro-char {
  display: inline-block;
  min-width: 0.24em;
  opacity: 0;
  transform: translateY(120%) rotate(4deg);
}

.intro-loader.is-playing .intro-char {
  animation: introChar 780ms cubic-bezier(0.16, 1, 0.3, 1) forwards;
  animation-delay: calc(var(--i) * 28ms);
}

.intro-tear-line {
  position: absolute;
  left: 0;
  top: 50%;
  z-index: 5;
  width: 100%;
  height: 1px;
  background: rgba(245, 244, 238, 0.72);
  opacity: 0;
  pointer-events: none;
  transform: scaleX(0.06);
  transform-origin: center;
}

.intro-loader.is-splitting .intro-tear-line {
  animation: introTear 1020ms cubic-bezier(0.76, 0, 0.24, 1) forwards;
}

.intro-loader.is-splitting .intro-copy {
  opacity: 0.88;
  transition:
    opacity 620ms ease,
    filter 620ms ease;
  filter: blur(1px);
}

button,
a {
  color: inherit;
  font: inherit;
}

button {
  border: 0;
}

a {
  text-decoration: none;
}

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

[hidden] {
  display: none !important;
}

.landing-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 60;
  display: grid;
  grid-template-columns: 120px 1fr max-content;
  align-items: center;
  min-height: 118px;
  padding-inline: var(--gutter);
  pointer-events: none;
}

.watcher,
.landing-top-nav,
.menu-pill,
.language-toggle,
.sound-orb {
  pointer-events: auto;
}

.watcher {
  --core-x: 0px;
  --core-y: 0px;
  --watcher-tilt: 0deg;
  position: relative;
  display: inline-grid;
  width: 74px;
  height: 74px;
  place-items: center;
  transform: rotate(var(--watcher-tilt));
  transform-origin: 50% 50%;
  transition: transform 160ms ease;
}

.watcher-core {
  position: relative;
  display: grid;
  width: 64px;
  height: 64px;
  place-items: center;
  border: 1px solid rgba(245, 244, 238, 0.2);
  border-radius: 50%;
  background:
    linear-gradient(rgba(245, 244, 238, 0.12) 1px, transparent 1px),
    linear-gradient(90deg, rgba(245, 244, 238, 0.08) 1px, transparent 1px),
    rgba(3, 4, 3, 0.82);
  background-size: 12px 12px, 12px 12px, auto;
  box-shadow:
    0 0 30px rgba(119, 181, 166, 0.22),
    inset 0 0 24px rgba(119, 181, 166, 0.16);
  overflow: hidden;
}

.watcher-core::before,
.watcher-core::after {
  position: absolute;
  content: "";
  border-radius: 50%;
}

.watcher-core::before {
  inset: 10px;
  border: 1px solid rgba(234, 240, 106, 0.28);
}

.watcher-core::after {
  inset: 22px;
  background: var(--accent);
  box-shadow: 0 0 18px rgba(234, 240, 106, 0.48);
  transform: translate(var(--core-x), var(--core-y));
  transition: transform 80ms linear;
}

.watcher-scan {
  position: absolute;
  inset: -28%;
  background: conic-gradient(from 80deg, transparent 0 74%, rgba(119, 181, 166, 0.42) 78%, transparent 84% 100%);
  animation: scanRotate 4.8s linear infinite;
}

.watcher-node {
  position: absolute;
  right: 13px;
  top: 13px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--bluegreen);
  box-shadow: 0 0 12px rgba(119, 181, 166, 0.7);
}

.watcher-label {
  position: absolute;
  right: -7px;
  bottom: 6px;
  padding: 2px 5px;
  border: 1px solid rgba(245, 244, 238, 0.18);
  border-radius: 999px;
  background: #030403;
  color: var(--muted-strong);
  font-size: 0.62rem;
  font-weight: 800;
}

.landing-top-nav {
  display: inline-flex;
  justify-self: center;
  align-items: center;
  gap: 4px;
  padding: 5px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(9, 10, 9, 0.62);
  box-shadow: 0 18px 46px rgba(0, 0, 0, 0.24);
  backdrop-filter: blur(14px);
}

.landing-top-nav a {
  display: inline-flex;
  min-height: 30px;
  align-items: center;
  padding: 0 12px;
  border-radius: 8px;
  color: var(--muted-strong);
  font-size: 0.92rem;
  font-weight: 650;
  transition:
    background 160ms ease,
    color 160ms ease;
}

.landing-top-nav a:hover,
.landing-top-nav a.active {
  background: rgba(245, 244, 238, 0.1);
  color: var(--ink);
}

.menu-pill {
  display: inline-flex;
  justify-self: end;
  align-items: center;
  gap: 10px;
  min-height: 58px;
  padding: 0 24px;
  border-radius: 999px;
  background: var(--ink);
  color: var(--bg);
  cursor: pointer;
  font-size: 1.18rem;
  font-weight: 700;
  transition:
    background 180ms ease,
    box-shadow 180ms ease,
    color 180ms ease,
    transform 180ms ease;
}

.menu-pill span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--bg);
}

.menu-pill[aria-expanded="true"] {
  background: rgba(234, 240, 106, 0.92);
  color: #030403;
  box-shadow: 0 0 32px rgba(234, 240, 106, 0.2);
}

.header-tools,
.path-header-actions {
  display: inline-flex;
  align-items: center;
  justify-content: flex-end;
  gap: 14px;
}

.language-toggle {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  min-height: 38px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(245, 244, 238, 0.045);
}

.language-toggle button {
  min-height: 28px;
  padding: 0 10px;
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font-size: 0.78rem;
  font-weight: 800;
}

.language-toggle button.active {
  background: var(--ink);
  color: var(--bg);
}

.landing-main {
  min-height: 100svh;
}

.landing-editorial {
  width: min(1320px, calc(100% - var(--gutter) * 2));
  margin-inline: auto;
  padding: 126px 0 110px;
}

.directory-list {
  position: relative;
  z-index: 5;
}

.system-hero {
  --hero-x: 50%;
  --hero-y: 50%;
  --metal-muted: linear-gradient(
    112deg,
    rgba(245, 244, 238, 0.34) 0%,
    rgba(156, 160, 148, 0.58) 16%,
    rgba(255, 255, 247, 0.84) 29%,
    rgba(92, 96, 88, 0.5) 43%,
    rgba(229, 232, 218, 0.74) 58%,
    rgba(116, 121, 110, 0.52) 74%,
    rgba(245, 244, 238, 0.38) 100%
  );
  --metal-hot: linear-gradient(
    110deg,
    #fff 0%,
    #777d72 17%,
    #f8f6ea 31%,
    #bfc5b8 43%,
    #53584f 55%,
    #f5f4ee 70%,
    #8e9387 84%,
    #fff 100%
  );
  --metal-dim: linear-gradient(
    110deg,
    rgba(245, 244, 238, 0.12),
    rgba(245, 244, 238, 0.32),
    rgba(94, 97, 89, 0.2),
    rgba(245, 244, 238, 0.24)
  );
  position: relative;
  display: grid;
  min-height: calc(100svh - 148px);
  align-content: stretch;
  overflow: hidden;
  border: 1px solid rgba(245, 244, 238, 0.1);
  border-radius: 8px;
  background:
    radial-gradient(circle at calc(50% + var(--scene-x) * 12%) calc(42% + var(--scene-y) * 10%), rgba(119, 181, 166, 0.08), transparent 28%),
    linear-gradient(135deg, rgba(245, 244, 238, 0.055), rgba(245, 244, 238, 0.012) 36%, rgba(0, 0, 0, 0.3)),
    rgba(4, 5, 4, 0.92);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.06),
    0 34px 120px rgba(0, 0, 0, 0.42);
  isolation: isolate;
}

.system-hero::after {
  position: absolute;
  inset: 0;
  z-index: 2;
  content: "";
  background: radial-gradient(circle at var(--hero-x) var(--hero-y), transparent 0 126px, rgba(0, 0, 0, 0.62) 390px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 260ms ease;
}

.system-hero.has-active::after {
  opacity: 0;
}

.system-grid {
  position: absolute;
  inset: -18%;
  z-index: 1;
  background:
    linear-gradient(rgba(245, 244, 238, 0.064) 1px, transparent 1px),
    linear-gradient(90deg, rgba(245, 244, 238, 0.046) 1px, transparent 1px);
  background-size: 72px 72px, 72px 72px;
  opacity: 0.7;
  transform: translate3d(calc(var(--scene-x) * -18px), calc(var(--scene-y) * -14px), 0);
  transition: opacity 260ms ease;
}

.system-grid::after {
  display: none;
  content: none;
}

.system-hero.has-active .system-grid {
  opacity: 0.32;
}

.system-topline,
.system-core {
  position: relative;
  z-index: 4;
}

.system-topline {
  display: grid;
  grid-template-columns: minmax(220px, 0.34fr) minmax(420px, 0.66fr);
  gap: clamp(22px, 4vw, 64px);
  align-items: start;
  padding: clamp(22px, 3vw, 38px);
}

.system-core {
  display: grid;
  align-content: center;
  justify-items: center;
  min-height: 46svh;
  padding: clamp(24px, 4vw, 56px);
}

.system-title {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 0.22em;
  margin: 0;
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 8.2rem;
  font-weight: 600;
  letter-spacing: 0;
  line-height: 1.08;
  overflow: visible;
  padding: 0.04em 0 0.12em;
  text-align: center;
  transition:
    color 260ms ease,
    opacity 260ms ease,
    transform 180ms linear;
  transform: translate3d(calc(var(--scene-x) * 18px), calc(var(--scene-y) * -10px), 0);
}

.system-title span {
  display: inline-block;
  background-image: var(--metal-muted);
  background-position: 18% 50%;
  background-size: 260% 100%;
  background-clip: text;
  color: transparent;
  filter: drop-shadow(0 18px 44px rgba(0, 0, 0, 0.28));
  opacity: 0.92;
  transition:
    background-position 260ms cubic-bezier(0.16, 1, 0.3, 1),
    filter 260ms cubic-bezier(0.16, 1, 0.3, 1),
    opacity 260ms ease,
    transform 220ms cubic-bezier(0.16, 1, 0.3, 1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.system-title span:last-child {
  opacity: 0.66;
}

.system-title:hover span {
  background-image: var(--metal-hot);
  filter:
    drop-shadow(0 0 24px rgba(245, 244, 238, 0.14))
    drop-shadow(0 24px 56px rgba(0, 0, 0, 0.35));
  opacity: 1;
  animation: metalSweep 1350ms cubic-bezier(0.16, 1, 0.3, 1) both;
}

.system-title:hover span:nth-child(2) {
  animation-delay: 80ms;
}

.system-hero.has-active .system-title span {
  background-image: var(--metal-dim);
  opacity: 0.84;
}

.system-hero.has-active .system-title:hover span {
  background-image: var(--metal-hot);
  opacity: 0.88;
}

.discipline-control {
  display: grid;
  justify-items: center;
  gap: 10px;
  margin-top: clamp(20px, 3vw, 44px);
}

.discipline-switch {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: clamp(8px, 1.6vw, 22px);
}

.discipline-state {
  min-height: 1.2em;
  margin: 0;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 650;
  letter-spacing: 0;
  text-transform: uppercase;
  opacity: 0;
  transform: translateY(4px);
  transition:
    opacity 180ms ease,
    transform 180ms ease;
}

.system-hero.has-active .discipline-state {
  opacity: 1;
  transform: translateY(0);
}

.discipline-word {
  position: relative;
  border: 0;
  background-color: transparent;
  background-image: var(--metal-dim);
  background-position: 12% 50%;
  background-size: 240% 100%;
  background-clip: text;
  color: transparent;
  cursor: pointer;
  filter: drop-shadow(0 10px 26px rgba(0, 0, 0, 0.28));
  font-family: var(--font-display);
  font-size: 2.15rem;
  font-weight: 600;
  letter-spacing: 0;
  line-height: 1.12;
  opacity: 0.72;
  padding: 6px 2px;
  transition:
    background-position 260ms cubic-bezier(0.16, 1, 0.3, 1),
    filter 220ms cubic-bezier(0.16, 1, 0.3, 1),
    opacity 190ms ease,
    transform 190ms cubic-bezier(0.16, 1, 0.3, 1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.discipline-word::after {
  position: absolute;
  right: 8%;
  bottom: -7px;
  left: 8%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(245, 244, 238, 0.74), rgba(119, 181, 166, 0.46), transparent);
  content: "";
  opacity: 0;
  transform: scaleX(0.18);
  transition:
    opacity 220ms ease,
    transform 260ms cubic-bezier(0.16, 1, 0.3, 1);
}

.discipline-word:hover,
.discipline-word:focus-visible,
.discipline-word.is-active {
  background-image: var(--metal-hot);
  filter:
    drop-shadow(0 0 20px rgba(245, 244, 238, 0.16))
    drop-shadow(0 14px 32px rgba(0, 0, 0, 0.34));
  opacity: 1;
  transform: translateY(-2px);
  animation: metalSweep 950ms cubic-bezier(0.16, 1, 0.3, 1) both;
}

.discipline-word:hover::after,
.discipline-word:focus-visible::after,
.discipline-word.is-active::after {
  opacity: 0.82;
  transform: scaleX(1);
}

.system-hero.has-active .discipline-word:not(.is-active) {
  background-image: var(--metal-dim);
  opacity: 0.46;
}

.editorial-space {
  display: grid;
  gap: clamp(88px, 12vw, 170px);
}

.editorial-hero {
  position: relative;
  display: grid;
  min-height: calc(100svh - 190px);
  align-content: end;
  gap: clamp(28px, 4vw, 58px);
  padding-bottom: clamp(22px, 4vw, 60px);
}

.editorial-hero::before {
  position: absolute;
  inset: 18% 0 auto;
  height: 1px;
  content: "";
  background: linear-gradient(90deg, transparent, rgba(245, 244, 238, 0.16), transparent);
  transform: translate3d(calc(var(--scene-x) * 18px), calc(var(--scene-y) * -10px), 0);
}

.editorial-hero-meta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  max-width: 840px;
  color: var(--muted-strong);
}

.editorial-hero-meta span {
  display: grid;
  gap: 6px;
  border-top: 1px solid rgba(245, 244, 238, 0.14);
  padding-top: 11px;
  font-size: 0.92rem;
  font-weight: 560;
}

.editorial-hero-meta small,
.section-index,
.route-number,
.route-path,
.archive-strip span {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 650;
  letter-spacing: 0;
  text-transform: uppercase;
}

.landing-kicker {
  margin: 0;
  color: var(--muted-strong);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.kinetic-title {
  display: grid;
  max-width: 1120px;
  margin: 0;
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 7.2rem;
  font-weight: 600;
  letter-spacing: 0;
  line-height: 0.9;
  text-wrap: balance;
}

.editorial-word {
  display: block;
  transform: translate3d(calc(var(--scene-x) * var(--depth) * 1px), calc(var(--scene-y) * var(--depth) * -0.62px), 0);
  transition: transform 90ms linear;
  will-change: transform;
}

.editorial-word:nth-child(2) {
  padding-left: clamp(22px, 8vw, 126px);
}

.editorial-word:nth-child(3) {
  padding-left: clamp(0px, 3.5vw, 62px);
}

.editorial-hero-lower {
  display: grid;
  grid-template-columns: minmax(190px, 0.34fr) minmax(280px, 0.66fr);
  gap: clamp(24px, 6vw, 92px);
  align-items: start;
  border-top: 1px solid rgba(245, 244, 238, 0.14);
  padding-top: clamp(18px, 2.4vw, 30px);
}

.editorial-manifesto {
  display: grid;
  grid-template-columns: minmax(320px, 0.86fr) minmax(320px, 0.64fr);
  gap: clamp(34px, 7vw, 118px);
  align-items: end;
  border-top: 1px solid rgba(245, 244, 238, 0.12);
  padding-top: clamp(26px, 4vw, 48px);
}

.editorial-manifesto h2 {
  max-width: 800px;
  margin: 18px 0 0;
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 4.2rem;
  font-weight: 600;
  letter-spacing: 0;
  line-height: 0.98;
  text-wrap: balance;
}

.editorial-manifesto > p,
.editorial-section-heading > p:last-child {
  max-width: 610px;
  margin: 0;
  color: var(--muted-strong);
  font-size: 1.06rem;
  font-weight: 500;
  line-height: 1.72;
}

.editorial-section-heading {
  display: grid;
  grid-template-columns: minmax(150px, 0.22fr) minmax(320px, 0.78fr);
  gap: clamp(24px, 5vw, 82px);
  align-items: start;
  border-top: 1px solid rgba(245, 244, 238, 0.12);
  padding-top: 22px;
}

.observation-section,
.route-index {
  display: grid;
  gap: 34px;
}

.observation-list {
  border-top: 1px solid rgba(245, 244, 238, 0.1);
}

.observation-row {
  display: grid;
  grid-template-columns: minmax(94px, 0.14fr) minmax(320px, 0.82fr) 34px;
  gap: clamp(18px, 3vw, 54px);
  align-items: center;
  border-bottom: 1px solid rgba(245, 244, 238, 0.1);
  padding: clamp(20px, 3vw, 34px) 0;
  color: var(--ink);
  transition:
    color 180ms ease,
    transform 180ms ease,
    border-color 180ms ease;
}

.observation-row span {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 650;
  letter-spacing: 0;
  text-transform: uppercase;
}

.observation-row h3 {
  margin: 0;
  color: inherit;
  font-size: 2.1rem;
  font-weight: 520;
  letter-spacing: 0;
  line-height: 1.05;
  text-wrap: balance;
}

.observation-row i {
  color: var(--muted);
  font-style: normal;
  justify-self: end;
}

.observation-row:hover,
.observation-row:focus-visible {
  border-color: rgba(245, 244, 238, 0.24);
  color: #ffffff;
  transform: translate3d(calc(var(--scene-x) * 10px), 0, 0);
}

.editorial-route-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  grid-auto-rows: 118px;
  gap: 10px;
  perspective: 1200px;
}

.editorial-route {
  --mx: 50%;
  --my: 50%;
  --rx: 0deg;
  --ry: 0deg;
  position: relative;
  display: grid;
  min-height: 100%;
  align-content: space-between;
  padding: 15px;
  border: 1px solid rgba(245, 244, 238, 0.13);
  border-radius: 6px;
  background:
    linear-gradient(142deg, rgba(245, 244, 238, 0.14), rgba(245, 244, 238, 0.035) 38%, rgba(0, 0, 0, 0.35) 100%),
    linear-gradient(108deg, rgba(119, 181, 166, 0.08), transparent 34%, rgba(234, 240, 106, 0.045) 100%),
    rgba(10, 11, 10, 0.92);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.1),
    inset 0 -1px 0 rgba(0, 0, 0, 0.45),
    0 20px 56px rgba(0, 0, 0, 0.34);
  overflow: hidden;
  transition:
    border-color 180ms ease,
    box-shadow 180ms ease,
    transform 180ms ease;
  transform: rotateX(var(--rx)) rotateY(var(--ry));
  transform-style: preserve-3d;
}

.editorial-route:nth-child(1) {
  grid-column: 1 / 3;
  grid-row: span 2;
}

.editorial-route:nth-child(2) {
  grid-column: 3 / 5;
  grid-row: span 2;
}

.editorial-route:nth-child(3) {
  grid-column: 5 / 7;
  grid-row: span 2;
}

.editorial-route:nth-child(4) {
  grid-column: 1 / 4;
}

.editorial-route:nth-child(5) {
  grid-column: 4 / 6;
}

.editorial-route:nth-child(6) {
  grid-column: 6 / 7;
}

.editorial-route::before {
  position: absolute;
  inset: 0;
  content: "";
  background:
    linear-gradient(118deg, transparent 0 36%, rgba(255, 255, 255, 0.1) 43%, transparent 52% 100%),
    repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.018) 0 1px, transparent 1px 13px);
  opacity: 0.5;
  transform: translateX(calc(var(--scene-x) * 8px - 22%));
  transition:
    opacity 180ms ease,
    transform 220ms ease;
}

.editorial-route::after {
  position: absolute;
  inset: auto 14px 13px 14px;
  height: 1px;
  content: "";
  background: linear-gradient(90deg, transparent, rgba(245, 244, 238, 0.26), rgba(119, 181, 166, 0.2), transparent);
  opacity: 0.42;
}

.route-number,
.route-title,
.route-path {
  position: relative;
  z-index: 1;
}

.route-title {
  align-self: end;
  color: var(--ink);
  font-size: 1.58rem;
  font-weight: 560;
  line-height: 1;
}

.route-path {
  align-self: end;
  justify-self: end;
  text-transform: none;
}

.editorial-route:hover,
.editorial-route:focus-visible {
  border-color: rgba(245, 244, 238, 0.3);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.18),
    inset 0 -1px 0 rgba(0, 0, 0, 0.5),
    0 28px 80px rgba(0, 0, 0, 0.45);
  transform: translateY(-3px) rotateX(var(--rx)) rotateY(var(--ry));
}

.editorial-route:hover::before,
.editorial-route:focus-visible::before {
  opacity: 0.78;
  transform: translateX(calc(var(--scene-x) * 12px + 7%));
}

.archive-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid rgba(245, 244, 238, 0.12);
  border-bottom: 1px solid rgba(245, 244, 238, 0.12);
}

.archive-strip div {
  min-height: 138px;
  border-right: 1px solid rgba(245, 244, 238, 0.1);
  padding: 18px 18px 20px;
}

.archive-strip div:last-child {
  border-right: 0;
}

.archive-strip p {
  max-width: 220px;
  margin: 34px 0 0;
  color: var(--ink);
  font-size: 1.05rem;
  font-weight: 540;
  line-height: 1.35;
}

.sound-orb {
  position: fixed;
  right: var(--gutter);
  bottom: 26px;
  z-index: 55;
  display: inline-flex;
  min-width: 118px;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 0 14px;
  border: 1px solid rgba(245, 244, 238, 0.16);
  border-radius: 999px;
  background: rgba(245, 244, 238, 0.1);
  color: var(--ink);
  cursor: pointer;
  font-size: 0.76rem;
  font-weight: 750;
  letter-spacing: 0;
  text-transform: uppercase;
  backdrop-filter: blur(16px);
  transition:
    transform 160ms ease,
    background 160ms ease,
    color 160ms ease;
}

body.landing-page .sound-orb {
  border-color: rgba(245, 244, 238, 0.14);
  background: rgba(9, 10, 9, 0.82);
  color: var(--ink);
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.26);
}

.sound-orb[aria-pressed="true"] {
  border-color: rgba(234, 240, 106, 0.42);
  background: rgba(234, 240, 106, 0.18);
  color: var(--ink);
  box-shadow: 0 0 32px rgba(234, 240, 106, 0.22);
}

body.landing-page .sound-orb[aria-pressed="true"] {
  background: rgba(234, 240, 106, 0.14);
  color: var(--ink);
}

.sound-orb:hover {
  transform: translateY(-2px);
}

.music-bars {
  display: inline-flex;
  align-items: end;
  gap: 3px;
  width: 18px;
  height: 15px;
}

.music-bars i {
  display: block;
  width: 3px;
  height: 5px;
  border-radius: 999px;
  background: currentColor;
  opacity: 0.75;
  animation: musicBar 900ms ease-in-out infinite;
  animation-play-state: paused;
}

.music-bars i:nth-child(2) {
  height: 12px;
  animation-delay: 120ms;
}

.music-bars i:nth-child(3) {
  height: 8px;
  animation-delay: 240ms;
}

.sound-orb[aria-pressed="true"] .music-bars i {
  animation-play-state: running;
}

.music-label {
  line-height: 1;
}

.menu-overlay {
  position: fixed;
  top: 50%;
  right: clamp(18px, 4vw, 64px);
  z-index: 70;
  display: block;
  width: min(232px, calc(100vw - var(--gutter) * 2));
  padding: 0;
  background: transparent;
  opacity: 0;
  pointer-events: none;
  transform: translate3d(22px, -50%, 0) rotateY(-10deg) scale(0.96);
  transform-origin: 100% 50%;
  visibility: hidden;
  transition:
    opacity 260ms cubic-bezier(0.16, 1, 0.3, 1),
    transform 300ms cubic-bezier(0.16, 1, 0.3, 1),
    visibility 0ms linear 300ms;
  backdrop-filter: none;
}

.menu-overlay[data-state="open"] {
  opacity: 1;
  pointer-events: auto;
  transform: translate3d(0, -50%, 0) rotateY(0) scale(1);
  visibility: visible;
  transition-delay: 0ms;
}

.menu-panel {
  display: grid;
  gap: 4px;
  width: 100%;
  padding: 8px;
  border: 1px solid rgba(245, 244, 238, 0.14);
  border-radius: 14px;
  background:
    linear-gradient(145deg, rgba(245, 244, 238, 0.1), transparent 34%),
    rgba(8, 9, 8, 0.9);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.1),
    inset 0 -1px 0 rgba(0, 0, 0, 0.56),
    0 28px 90px rgba(0, 0, 0, 0.46);
  overflow: hidden;
  backdrop-filter: blur(18px) saturate(118%);
}

.menu-panel a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 44px;
  padding: 0 13px;
  border-radius: 9px;
  color: var(--muted-strong);
  font-size: 0.9rem;
  font-weight: 650;
  opacity: 0;
  transform: translateX(16px);
  transition:
    background 180ms ease,
    color 180ms ease,
    opacity 220ms ease,
    transform 260ms cubic-bezier(0.16, 1, 0.3, 1);
}

.menu-overlay[data-state="open"] .menu-panel a {
  opacity: 1;
  transform: translateX(0);
}

.menu-overlay[data-state="open"] .menu-panel a:nth-child(1) {
  transition-delay: 34ms;
}

.menu-overlay[data-state="open"] .menu-panel a:nth-child(2) {
  transition-delay: 54ms;
}

.menu-overlay[data-state="open"] .menu-panel a:nth-child(3) {
  transition-delay: 74ms;
}

.menu-overlay[data-state="open"] .menu-panel a:nth-child(4) {
  transition-delay: 94ms;
}

.menu-overlay[data-state="open"] .menu-panel a:nth-child(5) {
  transition-delay: 114ms;
}

.menu-overlay[data-state="open"] .menu-panel a:nth-child(6) {
  transition-delay: 134ms;
}

.menu-overlay[data-state="open"] .menu-panel a:nth-child(7) {
  transition-delay: 154ms;
}

.menu-panel a::after {
  width: 5px;
  height: 5px;
  border-radius: 999px;
  background: currentColor;
  content: "";
  opacity: 0.48;
}

.menu-panel a:hover,
.menu-panel a:focus-visible {
  background: rgba(245, 244, 238, 0.08);
  color: var(--ink);
  transform: translateX(2px);
}

.path-page {
  min-height: 100svh;
  background:
    linear-gradient(rgba(245, 244, 238, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(245, 244, 238, 0.03) 1px, transparent 1px),
    #030403;
  background-size: 52px 52px, 52px 52px, auto;
}

.path-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 28px var(--gutter);
}

.path-header a {
  color: var(--muted-strong);
  font-weight: 800;
}

.path-main {
  display: grid;
  width: min(1120px, calc(100% - var(--gutter) * 2));
  min-height: calc(100svh - 120px);
  align-content: start;
  margin-inline: auto;
  padding-block: 72px 112px;
}

.path-kicker {
  margin: 0 0 16px;
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.86rem;
  font-weight: 900;
}

.path-main h1 {
  max-width: 920px;
  margin: 0 0 22px;
  font-family: var(--font-display);
  font-size: 5rem;
  font-weight: 600;
  line-height: 0.98;
}

.path-main > p {
  max-width: 680px;
  margin: 0;
  color: var(--muted-strong);
  font-size: 1.12rem;
  line-height: 1.7;
}

.path-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 34px;
}

.path-links a {
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  padding: 0 16px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  color: var(--ink);
  font-weight: 800;
}

.content-section {
  width: 100%;
  margin-top: 76px;
}

.content-section-heading {
  margin-bottom: 18px;
}

.content-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 14px;
}

.compact-grid {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.content-card {
  display: grid;
  align-content: start;
  gap: 10px;
  min-height: 100%;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(245, 244, 238, 0.035);
}

a.content-card {
  color: inherit;
  text-decoration: none;
}

.content-card-link {
  position: relative;
  transition:
    background 180ms ease,
    border-color 180ms ease,
    box-shadow 180ms ease,
    transform 180ms ease;
}

.content-card-link:hover,
.content-card-link:focus-visible {
  border-color: rgba(245, 244, 238, 0.22);
  background: rgba(245, 244, 238, 0.055);
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.24);
  transform: translateY(-2px);
}

.content-card-top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
}

.content-card h3 {
  margin: 0;
  color: var(--ink);
  font-size: 1.28rem;
  line-height: 1.16;
}

.content-card p,
.content-copy p {
  max-width: none;
  margin: 0;
  color: var(--muted-strong);
  font-size: 0.98rem;
  line-height: 1.6;
}

.content-card-role {
  color: var(--ink) !important;
  font-weight: 650;
}

.content-card-group {
  display: grid;
  gap: 6px;
}

.content-card-group > span {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 650;
  text-transform: uppercase;
}

.content-card-action {
  align-self: end;
  margin-top: 6px;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 650;
}

.content-card-link:hover .content-card-action,
.content-card-link:focus-visible .content-card-action {
  color: var(--accent);
}

.placeholder-panel {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 18px;
  align-items: baseline;
  border-top: 1px solid rgba(245, 244, 238, 0.14);
  border-bottom: 1px solid rgba(245, 244, 238, 0.12);
  padding: 18px 0;
}

.placeholder-panel span {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 650;
}

.placeholder-panel p {
  margin: 0;
  color: var(--muted-strong);
  font-family: var(--font-mono);
  font-size: 0.86rem;
  line-height: 1.7;
}

.path-page[data-page-id="journal"] .path-main,
body[data-page-id="journal"] .path-main {
  width: min(720px, calc(100% - var(--gutter) * 2));
  padding-block: 58px 112px;
}

.journal-shell {
  display: grid;
  gap: 58px;
}

.journal-index {
  display: grid;
  gap: 18px;
}

.journal-title {
  margin: 0;
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 2.7rem;
  font-weight: 600;
  line-height: 1;
}

.journal-list {
  display: grid;
  margin-top: 18px;
  border-top: 1px solid rgba(245, 244, 238, 0.14);
}

.journal-row {
  display: grid;
  grid-template-columns: 42px 1fr max-content;
  gap: 18px;
  align-items: baseline;
  border-bottom: 1px solid rgba(245, 244, 238, 0.12);
  padding: 14px 0 15px;
  color: var(--ink);
}

.journal-row-number,
.journal-row-status,
.journal-meta-line,
.journal-section-label span,
.journal-meta-panel span {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 650;
  text-transform: uppercase;
}

.journal-row-main {
  display: grid;
  gap: 5px;
}

.journal-row-main strong {
  color: var(--ink);
  font-size: 1.08rem;
  font-weight: 620;
  line-height: 1.28;
}

.journal-row-main small {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  line-height: 1.35;
}

.journal-row:hover .journal-row-main strong,
.journal-row:focus-visible .journal-row-main strong {
  color: #ffffff;
}

.journal-empty {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 18px;
  align-items: baseline;
  margin-top: 18px;
  border-top: 1px solid rgba(245, 244, 238, 0.14);
  border-bottom: 1px solid rgba(245, 244, 238, 0.12);
  padding: 18px 0;
}

.journal-empty span {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 650;
}

.journal-empty p {
  margin: 0;
  color: var(--muted-strong);
  font-family: var(--font-mono);
  font-size: 0.86rem;
  line-height: 1.7;
}

.journal-article {
  display: grid;
  gap: 26px;
  border-top: 1px solid rgba(245, 244, 238, 0.16);
  padding-top: 28px;
}

.journal-article-heading {
  display: grid;
  gap: 14px;
}

.journal-meta-line {
  margin: 0;
}

.journal-article-heading h2 {
  max-width: 680px;
  margin: 0;
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 2.55rem;
  font-weight: 610;
  line-height: 1.04;
}

.journal-article-heading p:last-child,
.journal-article-section p,
.journal-subscribe p {
  margin: 0;
  color: var(--muted-strong);
  font-family: var(--font-mono);
  font-size: 0.94rem;
  line-height: 1.86;
}

.journal-article-section {
  display: grid;
  gap: 14px;
}

.journal-section-label {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 16px;
  align-items: end;
  border-bottom: 1px solid rgba(245, 244, 238, 0.14);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 0.86rem;
  font-weight: 650;
  padding: 14px 0 6px;
}

.journal-meta-panel {
  display: grid;
  gap: 10px;
  border-top: 1px solid rgba(245, 244, 238, 0.14);
  padding-top: 18px;
}

.journal-meta-panel div {
  display: grid;
  grid-template-columns: 116px 1fr;
  gap: 18px;
}

.journal-meta-panel p {
  margin: 0;
  color: var(--muted-strong);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  line-height: 1.45;
}

.journal-subscribe {
  display: grid;
  gap: 12px;
  border: 1px solid rgba(245, 244, 238, 0.14);
  border-radius: 8px;
  background: rgba(245, 244, 238, 0.035);
  padding: 18px;
}

.journal-subscribe a {
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 0.84rem;
  font-weight: 650;
}

.zh-copy {
  color: rgba(245, 244, 238, 0.54) !important;
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 6px;
}

.tag-row span {
  display: inline-flex;
  min-height: 30px;
  align-items: center;
  padding: 0 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted-strong);
  font-size: 0.72rem;
  font-weight: 800;
}

.large-tags span {
  min-height: 40px;
  padding-inline: 14px;
  color: var(--ink);
  font-size: 0.92rem;
}

.content-list {
  margin: 4px 0 0;
  padding-left: 18px;
  color: var(--muted-strong);
  font-size: 0.92rem;
  line-height: 1.55;
}

.journal-body {
  display: grid;
  gap: 18px;
  color: var(--muted-strong);
  font-size: 1.02rem;
  line-height: 1.78;
}

.journal-body p,
.journal-body ul {
  margin: 0;
}

.journal-body ul {
  padding-left: 20px;
}

.journal-body h3,
.journal-body h4 {
  margin: 10px 0 0;
  color: var(--ink);
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.2;
}

.content-copy {
  display: grid;
  gap: 12px;
  max-width: 760px;
}

.contact-panel {
  display: grid;
  gap: 16px;
  margin-top: 86px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(245, 244, 238, 0.035);
}

.contact-panel h2 {
  max-width: 820px;
  margin: 0;
  font-family: var(--font-display);
  font-size: 2rem;
  line-height: 1.12;
}

.contact-panel a {
  width: fit-content;
  color: var(--accent);
  font-size: 1.1rem;
  font-weight: 800;
}

.contact-note {
  max-width: 620px;
  margin: 0;
  color: var(--muted-strong);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  line-height: 1.65;
}

.compact-contact-form {
  width: min(620px, 100%);
  margin-top: 10px;
}

.global-footer {
  width: 100%;
  margin-top: 80px;
  padding: 112px var(--gutter) 42px;
  background: #10110f;
  color: var(--ink);
}

body.landing-page .global-footer {
  --ink: #f5f4ee;
  --muted: rgba(245, 244, 238, 0.45);
  --muted-strong: rgba(245, 244, 238, 0.7);
  --line: rgba(245, 244, 238, 0.08);
  --line-strong: rgba(245, 244, 238, 0.2);
  color: #f5f4ee;
}

.footer-statement,
.footer-meta {
  width: min(1540px, 100%);
  margin-inline: auto;
}

.footer-kicker {
  margin: 0 0 22px;
  color: var(--muted-strong);
  font-size: 0.96rem;
  font-weight: 700;
}

.footer-line {
  max-width: 900px;
  margin: 0;
  font-family: var(--font-display);
  font-size: 3.6rem;
  font-weight: 560;
  line-height: 1.08;
}

.footer-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-top: 86px;
  padding-top: 32px;
  border-top: 1px solid rgba(245, 244, 238, 0.16);
  font-weight: 800;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}

.footer-nav a {
  color: var(--muted-strong);
}

.admin-section {
  width: min(820px, calc(100% - var(--gutter) * 2));
  margin: 0 auto;
  padding-block: 90px;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 24px var(--gutter);
  border-bottom: 1px solid var(--line);
}

.brand {
  display: grid;
  gap: 2px;
  font-weight: 900;
}

.brand small,
.section-heading p,
.form-status {
  color: var(--muted-strong);
}

.site-header nav {
  display: flex;
  gap: 18px;
}

.section-heading {
  margin-bottom: 28px;
}

.section-heading h1,
.section-heading h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 3rem;
  line-height: 1;
}

.button {
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  justify-content: center;
  padding: 0 16px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  font-weight: 800;
}

.button-dark {
  background: var(--ink);
  color: var(--bg);
}

.note-editor,
.contact-form,
.admin-editor {
  display: grid;
  gap: 16px;
}

.note-editor label,
.contact-form label,
.admin-editor label {
  display: grid;
  gap: 8px;
}

.note-editor input,
.note-editor textarea,
.contact-form input,
.contact-form textarea,
.admin-editor input,
.admin-editor textarea {
  width: 100%;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: rgba(245, 244, 238, 0.06);
  color: var(--ink);
  padding: 12px;
}

@media (max-width: 900px) {
  .landing-header {
    grid-template-columns: 82px 1fr max-content;
    min-height: 96px;
  }

  .watcher {
    width: 58px;
    height: 58px;
  }

  .watcher-core {
    width: 52px;
    height: 52px;
  }

  .landing-top-nav {
    justify-self: start;
    max-width: min(52vw, 430px);
    overflow-x: auto;
  }

  .menu-pill {
    min-height: 48px;
    padding: 0 18px;
    font-size: 1rem;
  }

  .landing-editorial {
    padding-top: 126px;
  }

  .system-hero {
    min-height: calc(100svh - 160px);
  }

  .system-topline,
  .editorial-hero-meta,
  .editorial-manifesto,
  .editorial-section-heading {
    grid-template-columns: 1fr;
  }

  .system-title {
    flex-direction: column;
    gap: 0;
    font-size: 5.6rem;
  }

  .discipline-word {
    font-size: 1.72rem;
  }

  .editorial-route-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    grid-auto-rows: 112px;
  }

  .editorial-route:nth-child(n) {
    grid-column: auto;
    grid-row: auto;
  }

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

  .archive-strip div:nth-child(2n) {
    border-right: 0;
  }

  .intro-copy h1 {
    font-size: 4.6rem;
  }

  .intro-copy-bottom h1 {
    font-size: 2.35rem;
  }

  .path-main h1 {
    font-size: 3.2rem;
  }

  .journal-article-heading h2 {
    font-size: 2.2rem;
  }
}

@media (max-width: 580px) {
  .landing-header {
    grid-template-columns: 58px 1fr max-content;
    min-height: 82px;
  }

  .header-tools {
    gap: 8px;
  }

  .language-toggle {
    min-height: 32px;
  }

  .language-toggle button {
    min-height: 24px;
    padding: 0 7px;
    font-size: 0.68rem;
  }

  .landing-top-nav {
    display: none;
  }

  .menu-pill {
    min-height: 42px;
    padding: 0 14px;
    font-size: 0.9rem;
  }

  .landing-editorial {
    width: calc(100% - 32px);
    padding: 108px 0 72px;
  }

  .editorial-space {
    gap: 72px;
  }

  .system-hero {
    min-height: calc(100svh - 126px);
  }

  .system-core {
    min-height: 48svh;
    padding-inline: 16px;
  }

  .system-title {
    font-size: 3.25rem;
  }

  .discipline-switch {
    align-items: center;
    flex-direction: column;
    margin-top: 24px;
  }

  .discipline-word {
    font-size: 1.32rem;
  }

  .editorial-word:nth-child(n) {
    padding-left: 0;
  }

  .editorial-manifesto h2 {
    font-size: 2.55rem;
  }

  .observation-row {
    grid-template-columns: 1fr 28px;
  }

  .observation-row span {
    grid-column: 1 / -1;
  }

  .observation-row h3 {
    font-size: 1.58rem;
  }

  .editorial-route-grid {
    grid-template-columns: 1fr;
    grid-auto-rows: 96px;
  }

  .editorial-route:nth-child(n) {
    grid-column: auto;
    grid-row: auto;
  }

  .archive-strip {
    grid-template-columns: 1fr;
  }

  .archive-strip div {
    border-right: 0;
    border-bottom: 1px solid rgba(245, 244, 238, 0.1);
  }

  .archive-strip div:last-child {
    border-bottom: 0;
  }

  .intro-copy {
    width: calc(100vw - 32px);
  }

  .intro-copy h1 {
    font-size: 3rem;
  }

  .intro-copy-bottom h1 {
    font-size: 1.22rem;
  }

  .sound-orb {
    right: 18px;
    bottom: 22px;
    min-width: 104px;
    min-height: 40px;
  }

  .path-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .path-header-actions {
    justify-content: flex-start;
  }

  .journal-shell {
    gap: 42px;
  }

  .journal-title {
    font-size: 2.28rem;
  }

  .journal-row {
    grid-template-columns: 34px 1fr;
  }

  .journal-row-status {
    grid-column: 2;
  }

  .journal-article-heading h2 {
    font-size: 1.82rem;
  }

  .journal-meta-panel div {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .footer-line {
    font-size: 2.5rem;
  }

  .footer-meta {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (prefers-color-scheme: light) {
  :root {
    color-scheme: light dark;
    --bg: #eeece2;
    --ink: #11120f;
    --muted: rgba(17, 18, 15, 0.45);
    --muted-strong: rgba(17, 18, 15, 0.68);
    --line: rgba(17, 18, 15, 0.1);
    --line-strong: rgba(17, 18, 15, 0.24);
    --panel: rgba(249, 247, 238, 0.86);
    --accent: #59610f;
    --bluegreen: #326d63;
    --shadow: 0 28px 90px rgba(37, 35, 28, 0.18);
  }

  html {
    background: var(--bg);
  }

  body,
  body.landing-page,
  .path-page {
    --bg: #eeece2;
    --ink: #11120f;
    --muted: rgba(17, 18, 15, 0.45);
    --muted-strong: rgba(17, 18, 15, 0.68);
    --line: rgba(17, 18, 15, 0.1);
    --line-strong: rgba(17, 18, 15, 0.24);
    --panel: rgba(249, 247, 238, 0.86);
    --shadow: 0 28px 90px rgba(37, 35, 28, 0.18);
    background:
      linear-gradient(rgba(17, 18, 15, 0.052) 1px, transparent 1px),
      linear-gradient(90deg, rgba(17, 18, 15, 0.038) 1px, transparent 1px),
      #eeece2;
    background-size: 52px 52px, 52px 52px, auto;
    color: var(--ink);
  }

  body::before {
    background: none;
    opacity: 0;
  }

  body.landing-page::before {
    background: none;
  }

  body.landing-page::after {
    background:
      repeating-radial-gradient(circle at 20% 30%, rgba(17, 18, 15, 0.052) 0 1px, transparent 1px 4px),
      linear-gradient(90deg, rgba(255, 255, 255, 0.22), transparent 18% 82%, rgba(255, 255, 255, 0.16));
    opacity: 0.14;
    mix-blend-mode: multiply;
  }

  .intro-slice {
    background:
      linear-gradient(rgba(17, 18, 15, 0.06) 1px, transparent 1px),
      linear-gradient(90deg, rgba(17, 18, 15, 0.04) 1px, transparent 1px),
      radial-gradient(circle at 50% 50%, rgba(50, 109, 99, 0.1), transparent 42%),
      #eeece2;
    background-size: 44px 44px, 44px 44px, auto, auto;
  }

  .intro-tear-line {
    background: rgba(17, 18, 15, 0.72);
  }

  .watcher-core {
    border-color: rgba(17, 18, 15, 0.2);
    background:
      linear-gradient(rgba(17, 18, 15, 0.1) 1px, transparent 1px),
      linear-gradient(90deg, rgba(17, 18, 15, 0.07) 1px, transparent 1px),
      rgba(249, 247, 238, 0.74);
    background-size: 12px 12px, 12px 12px, auto;
    box-shadow:
      0 0 28px rgba(50, 109, 99, 0.16),
      inset 0 0 24px rgba(50, 109, 99, 0.12);
  }

  .watcher-core::before {
    border-color: rgba(89, 97, 15, 0.28);
  }

  .watcher-label {
    border-color: rgba(17, 18, 15, 0.16);
    background: #11120f;
    color: #eeece2;
  }

  .landing-top-nav,
  .language-toggle {
    border-color: rgba(17, 18, 15, 0.12);
    background: rgba(249, 247, 238, 0.72);
    box-shadow: 0 18px 46px rgba(37, 35, 28, 0.12);
  }

  .landing-top-nav a:hover,
  .landing-top-nav a.active {
    background: rgba(17, 18, 15, 0.08);
    color: var(--ink);
  }

  .language-toggle button.active,
  .button-dark {
    background: var(--ink);
    color: var(--bg);
  }

  .menu-pill {
    background: var(--ink);
    color: var(--bg);
    box-shadow: 0 18px 48px rgba(37, 35, 28, 0.18);
  }

  .menu-pill span {
    background: var(--bg);
  }

  .menu-pill[aria-expanded="true"] {
    background: rgba(89, 97, 15, 0.86);
    color: #f5f4ee;
    box-shadow: 0 0 28px rgba(89, 97, 15, 0.16);
  }

  .system-hero {
    --metal-muted: linear-gradient(
      112deg,
      rgba(17, 18, 15, 0.84) 0%,
      rgba(86, 91, 82, 0.9) 18%,
      rgba(12, 13, 11, 0.98) 33%,
      rgba(112, 116, 105, 0.86) 48%,
      rgba(28, 30, 26, 0.96) 64%,
      rgba(105, 109, 98, 0.86) 81%,
      rgba(17, 18, 15, 0.92) 100%
    );
    --metal-hot: linear-gradient(
      110deg,
      #0e0f0d 0%,
      #7e8277 15%,
      #f8f6eb 28%,
      #2f322d 45%,
      #d4d2c6 62%,
      #11120f 78%,
      #eef0df 100%
    );
    --metal-dim: linear-gradient(
      110deg,
      rgba(17, 18, 15, 0.58),
      rgba(17, 18, 15, 0.78),
      rgba(77, 81, 73, 0.7),
      rgba(17, 18, 15, 0.64)
    );
    border-color: rgba(17, 18, 15, 0.12);
    background:
      radial-gradient(circle at calc(50% + var(--scene-x) * 12%) calc(42% + var(--scene-y) * 10%), rgba(50, 109, 99, 0.1), transparent 29%),
      linear-gradient(135deg, rgba(17, 18, 15, 0.06), rgba(249, 247, 238, 0.22) 36%, rgba(255, 255, 255, 0.26)),
      rgba(238, 236, 226, 0.92);
    box-shadow:
      inset 0 1px 0 rgba(255, 255, 255, 0.46),
      0 34px 120px rgba(37, 35, 28, 0.16);
  }

  .system-hero::after {
    background: radial-gradient(circle at var(--hero-x) var(--hero-y), transparent 0 126px, rgba(17, 18, 15, 0.19) 390px);
  }

  .system-grid {
    background:
      linear-gradient(rgba(17, 18, 15, 0.07) 1px, transparent 1px),
      linear-gradient(90deg, rgba(17, 18, 15, 0.045) 1px, transparent 1px);
    background-size: 72px 72px, 72px 72px;
  }

  .system-grid::after {
    display: none;
    content: none;
  }

  .system-title span:last-child {
    opacity: 0.58;
  }

  .system-hero.has-active .system-title span {
    opacity: 0.82;
  }

  .discipline-word {
    background-image: var(--metal-dim);
  }

  .discipline-word:hover,
  .discipline-word:focus-visible,
  .discipline-word.is-active {
    background-image: var(--metal-hot);
    filter: drop-shadow(0 0 18px rgba(89, 97, 15, 0.16));
  }

  .discipline-word::after {
    background: linear-gradient(90deg, transparent, rgba(17, 18, 15, 0.56), rgba(50, 109, 99, 0.35), transparent);
  }

  .system-hero.has-active .discipline-word:not(.is-active) {
    background-image: var(--metal-dim);
    opacity: 0.48;
  }

  .editorial-hero-lower,
  .editorial-manifesto,
  .editorial-section-heading {
    border-color: rgba(17, 18, 15, 0.12);
  }

  .editorial-hero::before {
    background: linear-gradient(90deg, transparent, rgba(17, 18, 15, 0.16), transparent);
  }

  .editorial-hero-meta span,
  .observation-list,
  .observation-row,
  .archive-strip,
  .archive-strip div,
  .journal-list,
  .journal-row,
  .journal-empty,
  .placeholder-panel,
  .journal-article,
  .journal-section-label,
  .journal-meta-panel {
    border-color: rgba(17, 18, 15, 0.12);
  }

  .observation-row:hover,
  .observation-row:focus-visible {
    border-color: rgba(17, 18, 15, 0.28);
    color: #11120f;
  }

  .editorial-route,
  .content-card,
  .contact-panel,
  .journal-subscribe {
    border-color: rgba(17, 18, 15, 0.13);
    background:
      linear-gradient(142deg, rgba(255, 255, 255, 0.5), rgba(249, 247, 238, 0.35) 38%, rgba(17, 18, 15, 0.06) 100%),
      rgba(249, 247, 238, 0.78);
    box-shadow:
      inset 0 1px 0 rgba(255, 255, 255, 0.54),
      inset 0 -1px 0 rgba(17, 18, 15, 0.12),
      0 20px 56px rgba(37, 35, 28, 0.12);
  }

  .editorial-route::before {
    background:
      linear-gradient(118deg, transparent 0 36%, rgba(255, 255, 255, 0.56) 43%, transparent 52% 100%),
      repeating-linear-gradient(90deg, rgba(17, 18, 15, 0.028) 0 1px, transparent 1px 13px);
    opacity: 0.44;
  }

  .editorial-route::after {
    background: linear-gradient(90deg, transparent, rgba(17, 18, 15, 0.24), rgba(50, 109, 99, 0.2), transparent);
  }

  .editorial-route:hover,
  .editorial-route:focus-visible {
    border-color: rgba(17, 18, 15, 0.3);
    box-shadow:
      inset 0 1px 0 rgba(255, 255, 255, 0.7),
      inset 0 -1px 0 rgba(17, 18, 15, 0.14),
      0 30px 80px rgba(37, 35, 28, 0.18);
  }

  .sound-orb,
  body.landing-page .sound-orb {
    border-color: rgba(17, 18, 15, 0.14);
    background: rgba(249, 247, 238, 0.78);
    color: var(--ink);
    box-shadow: 0 18px 48px rgba(37, 35, 28, 0.16);
  }

  .sound-orb[aria-pressed="true"],
  body.landing-page .sound-orb[aria-pressed="true"] {
    border-color: rgba(89, 97, 15, 0.34);
    background: rgba(89, 97, 15, 0.14);
    color: var(--ink);
    box-shadow: 0 0 28px rgba(89, 97, 15, 0.12);
  }

  .menu-overlay {
    background: transparent;
  }

  .menu-panel {
    background: rgba(249, 247, 238, 0.94);
    box-shadow:
      inset 0 1px 0 rgba(255, 255, 255, 0.54),
      0 28px 70px rgba(37, 35, 28, 0.18);
  }

  .journal-row:hover .journal-row-main strong,
  .journal-row:focus-visible .journal-row-main strong {
    color: #11120f;
  }

  .zh-copy {
    color: rgba(17, 18, 15, 0.54) !important;
  }

  .note-editor input,
  .note-editor textarea,
  .contact-form input,
  .contact-form textarea,
  .admin-editor input,
  .admin-editor textarea {
    background: rgba(249, 247, 238, 0.72);
  }

  .global-footer,
  body.landing-page .global-footer {
    --ink: #11120f;
    --muted: rgba(17, 18, 15, 0.45);
    --muted-strong: rgba(17, 18, 15, 0.68);
    --line: rgba(17, 18, 15, 0.1);
    --line-strong: rgba(17, 18, 15, 0.2);
    background: #dedbd0;
    color: #11120f;
  }

  .footer-meta {
    border-top-color: rgba(17, 18, 15, 0.16);
  }
}

@keyframes scanRotate {
  to {
    transform: rotate(360deg);
  }
}

@keyframes musicBar {
  0%,
  100% {
    transform: scaleY(0.42);
  }
  50% {
    transform: scaleY(1);
  }
}

@keyframes introChar {
  0% {
    opacity: 0;
    filter: blur(10px);
    transform: translateY(120%) rotate(4deg) scaleY(1.12);
  }
  72% {
    opacity: 1;
    filter: blur(0);
    transform: translateY(-8%) rotate(-1deg) scaleY(1);
  }
  100% {
    opacity: 1;
    filter: blur(0);
    transform: translateY(0) rotate(0) scaleY(1);
  }
}

@keyframes introTear {
  0% {
    opacity: 0;
    transform: scaleX(0.06);
  }
  22% {
    opacity: 1;
    transform: scaleX(0.84);
  }
  72% {
    opacity: 0.9;
    transform: scaleX(1);
  }
  100% {
    opacity: 0;
    transform: scaleX(1.08);
  }
}

@keyframes metalSweep {
  0% {
    background-position: 0% 50%;
  }
  48% {
    background-position: 94% 50%;
  }
  100% {
    background-position: 62% 50%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .intro-loader,
  .watcher-scan,
  .music-bars i {
    animation: none;
  }
}