:root {
  color-scheme: dark;
  --ink: #080806;
  --panel: rgba(18, 18, 15, 0.72);
  --panel-solid: #14140f;
  --line: rgba(255, 246, 204, 0.16);
  --text: #f7f0dd;
  --muted: #bdb39a;
  --brass: #d8aa4c;
  --cyan: #55e2d8;
  --green: #a8ff68;
  --red: #ff6a57;
  --paper: #fff7e4;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.44);
  --lab-turn: 0deg;
  --unlock-turn: 0deg;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background:
    linear-gradient(90deg, rgba(255, 246, 204, 0.035) 1px, transparent 1px),
    linear-gradient(0deg, rgba(255, 246, 204, 0.025) 1px, transparent 1px),
    linear-gradient(135deg, #080806 0%, #11100c 36%, #17130b 64%, #080806 100%);
  background-size: 52px 52px, 52px 52px, auto;
  color: var(--text);
  font-family: "Microsoft YaHei", "PingFang SC", "Segoe UI", sans-serif;
  line-height: 1.6;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(85, 226, 216, 0.08), transparent 28%, rgba(216, 170, 76, 0.08) 68%, transparent),
    repeating-linear-gradient(0deg, transparent 0 9px, rgba(255, 255, 255, 0.018) 10px);
  mix-blend-mode: screen;
  opacity: 0.62;
  z-index: -2;
}

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

img,
svg {
  display: block;
}

button,
input {
  font: inherit;
}

#circuitCanvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  opacity: 0.68;
  z-index: -1;
}

.scroll-meter {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: rgba(255, 255, 255, 0.06);
  z-index: 30;
}

.scroll-meter span {
  display: block;
  width: 0%;
  height: 100%;
  background: linear-gradient(90deg, var(--green), var(--cyan), var(--brass));
  box-shadow: 0 0 18px rgba(85, 226, 216, 0.55);
}

.topbar {
  position: fixed;
  top: 18px;
  left: 50%;
  z-index: 25;
  display: flex;
  width: min(1120px, calc(100% - 32px));
  min-height: 58px;
  transform: translateX(-50%);
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 9px 12px;
  border: 1px solid rgba(255, 246, 204, 0.18);
  border-radius: 8px;
  background: rgba(8, 8, 6, 0.74);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.28);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 150px;
  color: var(--paper);
  font-weight: 700;
}

.brand-mark {
  display: inline-grid;
  width: 42px;
  height: 36px;
  place-items: center;
  border: 1px solid rgba(168, 255, 104, 0.42);
  border-radius: 6px;
  color: var(--green);
  background: rgba(168, 255, 104, 0.08);
  font-size: 0.88rem;
}

.nav-links {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 4px;
  flex-wrap: wrap;
}

.nav-links a {
  min-height: 38px;
  padding: 8px 12px;
  border-radius: 6px;
  color: var(--muted);
  transition: color 180ms ease, background 180ms ease;
}

.nav-links a:hover,
.nav-links a:focus-visible {
  color: var(--paper);
  background: rgba(255, 246, 204, 0.09);
  outline: none;
}

.stage,
.section-band {
  position: relative;
  width: 100%;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(420px, 1.1fr);
  gap: 44px;
  align-items: center;
  min-height: 92svh;
  padding: 126px max(28px, calc((100vw - 1180px) / 2)) 76px;
}

.page-hero {
  min-height: 84svh;
}

.portal-hero {
  min-height: 92svh;
}

.hero-copy {
  position: relative;
  z-index: 2;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--cyan);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 760px;
  margin-bottom: 22px;
  color: var(--paper);
  font-size: 4.8rem;
  line-height: 1.02;
  font-weight: 900;
}

h2 {
  max-width: 820px;
  margin-bottom: 0;
  color: var(--paper);
  font-size: 2.6rem;
  line-height: 1.18;
}

h3 {
  color: var(--paper);
  font-size: 1.28rem;
  line-height: 1.35;
}

.hero-lead {
  max-width: 650px;
  margin-bottom: 30px;
  color: #d7cdb6;
  font-size: 1.12rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 30px;
}

.primary-action,
.ghost-action {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  min-height: 48px;
  padding: 12px 16px;
  border-radius: 7px;
  font-weight: 800;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.primary-action {
  border: 1px solid rgba(168, 255, 104, 0.58);
  background: linear-gradient(135deg, rgba(168, 255, 104, 0.26), rgba(85, 226, 216, 0.18));
  color: var(--paper);
  box-shadow: 0 16px 42px rgba(85, 226, 216, 0.14);
}

.ghost-action {
  border: 1px solid rgba(255, 246, 204, 0.22);
  color: #ded3b9;
  background: rgba(255, 246, 204, 0.045);
}

.primary-action:hover,
.ghost-action:hover,
.primary-action:focus-visible,
.ghost-action:focus-visible {
  transform: translateY(-2px);
  outline: none;
}

.action-icon {
  display: inline-grid;
  width: 24px;
  height: 24px;
  place-items: center;
}

.action-icon svg {
  width: 22px;
  height: 22px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.course-meta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  max-width: 780px;
  margin: 0;
}

.course-meta div {
  min-height: 92px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 246, 204, 0.045);
}

.course-meta dt {
  margin-bottom: 5px;
  color: var(--muted);
  font-size: 0.78rem;
}

.course-meta dd {
  margin: 0;
  color: var(--paper);
  font-weight: 700;
}

.hero-visual {
  position: relative;
  min-height: 590px;
  perspective: 1200px;
}

.map-plate {
  position: absolute;
  inset: 3% 0 25% 8%;
  overflow: hidden;
  border: 1px solid rgba(255, 246, 204, 0.24);
  border-radius: 8px;
  background: #f8f4eb;
  box-shadow: var(--shadow);
  transform: rotateX(56deg) rotateZ(-9deg) translate3d(var(--mx, 0px), var(--my, 0px), 0);
  transform-origin: center;
}

.map-plate img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.9) contrast(1.12);
}

.map-plate::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(8, 8, 6, 0.18), transparent 28%, transparent 70%, rgba(8, 8, 6, 0.2)),
    linear-gradient(180deg, rgba(85, 226, 216, 0.14), transparent 42%, rgba(216, 170, 76, 0.2));
  pointer-events: none;
}

.scan-line {
  position: absolute;
  left: 0;
  right: 0;
  top: -30%;
  height: 34%;
  background: linear-gradient(180deg, transparent, rgba(168, 255, 104, 0.22), transparent);
  animation: scan 4.4s linear infinite;
  mix-blend-mode: multiply;
}

.key-orbit {
  position: absolute;
  left: 7%;
  right: 3%;
  bottom: 8%;
  height: 255px;
  transform: translate3d(calc(var(--mx, 0px) * -0.6), calc(var(--my, 0px) * -0.55), 0);
}

.hero-key {
  position: absolute;
  left: 2%;
  top: 50%;
  width: 96%;
  transform: translateY(-50%) rotate(-5deg);
  filter: drop-shadow(0 12px 22px rgba(0, 0, 0, 0.38)) drop-shadow(0 0 24px rgba(85, 226, 216, 0.24));
  animation: keyFloat 5.2s ease-in-out infinite;
}

.key-body {
  fill: url(#keyMetal);
}

.key-cut {
  fill: none;
  stroke: rgba(8, 8, 6, 0.52);
  stroke-width: 10;
  stroke-linecap: round;
}

.orbit-ring {
  position: absolute;
  inset: 12% 9%;
  border: 1px solid rgba(85, 226, 216, 0.32);
  border-radius: 50%;
  transform: rotate(-7deg);
}

.ring-a {
  animation: ringSpin 12s linear infinite;
}

.ring-b {
  inset: 25% 22%;
  border-color: rgba(216, 170, 76, 0.34);
  animation: ringSpin 9s linear infinite reverse;
}

.orbit-label {
  position: absolute;
  right: 3%;
  bottom: 0;
  padding: 7px 10px;
  border: 1px solid rgba(168, 255, 104, 0.36);
  border-radius: 6px;
  color: var(--green);
  background: rgba(8, 8, 6, 0.72);
  font-size: 0.75rem;
  font-weight: 900;
}

.section-band {
  padding: 92px max(24px, calc((100vw - 1180px) / 2));
  border-top: 1px solid rgba(255, 246, 204, 0.08);
}

.section-heading {
  display: grid;
  gap: 8px;
  margin-bottom: 32px;
}

.brief-grid,
.concept-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.brief-item,
.concept-card {
  position: relative;
  min-height: 220px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(255, 246, 204, 0.08), rgba(255, 255, 255, 0.018)),
    rgba(8, 8, 6, 0.52);
  box-shadow: 0 14px 48px rgba(0, 0, 0, 0.22);
  overflow: hidden;
}

.brief-item::after,
.concept-card::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 3px;
  background: linear-gradient(90deg, var(--brass), var(--green), var(--cyan));
  transform: scaleX(0.24);
  transform-origin: left;
  transition: transform 260ms ease;
}

.brief-item:hover::after,
.concept-card:hover::after {
  transform: scaleX(1);
}

.brief-item p,
.concept-card p,
.archive-copy p,
.step-card p,
.domain-panel p,
.unlock-control p,
.site-footer p {
  color: var(--muted);
}

.index,
.concept-number {
  display: inline-grid;
  width: 42px;
  height: 34px;
  margin-bottom: 32px;
  place-items: center;
  border: 1px solid rgba(216, 170, 76, 0.42);
  border-radius: 6px;
  color: var(--brass);
  background: rgba(216, 170, 76, 0.08);
  font-weight: 900;
}

.process-shell {
  border: 1px solid rgba(255, 246, 204, 0.16);
  border-radius: 8px;
  background: rgba(8, 8, 6, 0.56);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.process-rail {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  border-bottom: 1px solid rgba(255, 246, 204, 0.12);
}

.step-button {
  min-height: 58px;
  border: 0;
  border-right: 1px solid rgba(255, 246, 204, 0.12);
  color: var(--muted);
  background: rgba(255, 246, 204, 0.035);
  cursor: pointer;
  transition: color 180ms ease, background 180ms ease;
}

.step-button:last-child {
  border-right: 0;
}

.step-button:hover,
.step-button:focus-visible,
.step-button.is-active {
  color: var(--paper);
  background: linear-gradient(135deg, rgba(168, 255, 104, 0.14), rgba(85, 226, 216, 0.08));
  outline: none;
}

.process-stage {
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(360px, 1.12fr);
  min-height: 430px;
}

.step-card {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 44px;
}

.step-card h3 {
  margin-bottom: 14px;
  font-size: 2rem;
}

.tag-row,
.domain-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
}

.tag-row span,
.domain-chips span {
  padding: 6px 9px;
  border: 1px solid rgba(255, 246, 204, 0.18);
  border-radius: 6px;
  color: #efe5ca;
  background: rgba(255, 246, 204, 0.055);
  font-size: 0.84rem;
}

.lock-lab {
  position: relative;
  min-height: 430px;
  border-left: 1px solid rgba(255, 246, 204, 0.12);
  background:
    linear-gradient(90deg, rgba(85, 226, 216, 0.08) 1px, transparent 1px),
    linear-gradient(0deg, rgba(216, 170, 76, 0.08) 1px, transparent 1px),
    linear-gradient(135deg, rgba(255, 246, 204, 0.03), rgba(8, 8, 6, 0.12));
  background-size: 34px 34px, 34px 34px, auto;
  overflow: hidden;
}

.lock-face {
  position: absolute;
  right: 12%;
  top: 50%;
  width: 146px;
  height: 146px;
  transform: translateY(-50%);
  border: 1px solid rgba(255, 246, 204, 0.18);
  border-radius: 50%;
  background:
    radial-gradient(circle at center, rgba(0, 0, 0, 0.64) 0 18%, transparent 19%),
    conic-gradient(from 30deg, rgba(216, 170, 76, 0.28), rgba(85, 226, 216, 0.2), rgba(255, 246, 204, 0.1), rgba(216, 170, 76, 0.28));
  box-shadow: inset 0 0 34px rgba(0, 0, 0, 0.44), 0 22px 40px rgba(0, 0, 0, 0.28);
}

.pin {
  position: absolute;
  left: 50%;
  width: 8px;
  height: 24px;
  border-radius: 999px;
  background: var(--green);
  box-shadow: 0 0 16px rgba(168, 255, 104, 0.58);
  transform-origin: 50% 73px;
  animation: pinLift 2.8s ease-in-out infinite;
}

.pin-1 { top: 8px; transform: translateX(-50%) rotate(0deg); }
.pin-2 { top: 8px; transform: translateX(-50%) rotate(90deg); animation-delay: 0.2s; }
.pin-3 { top: 8px; transform: translateX(-50%) rotate(180deg); animation-delay: 0.4s; }
.pin-4 { top: 8px; transform: translateX(-50%) rotate(270deg); animation-delay: 0.6s; }

.lab-key {
  position: absolute;
  top: 50%;
  left: 4%;
  width: 72%;
  transform: translateY(-50%) translateX(calc(var(--step-shift, 0) * 1px)) rotate(var(--lab-turn));
  transform-origin: 16% 50%;
  transition: transform 520ms cubic-bezier(0.2, 0.82, 0.2, 1);
  fill: var(--brass);
  filter: drop-shadow(0 14px 24px rgba(0, 0, 0, 0.4));
}

.domain-layout {
  display: grid;
  grid-template-columns: minmax(360px, 620px) minmax(0, 1fr);
  gap: 36px;
  align-items: center;
}

.radar {
  position: relative;
  aspect-ratio: 1;
  min-height: 360px;
  border: 1px solid rgba(255, 246, 204, 0.16);
  border-radius: 8px;
  background:
    linear-gradient(90deg, rgba(255, 246, 204, 0.055) 1px, transparent 1px),
    linear-gradient(0deg, rgba(255, 246, 204, 0.045) 1px, transparent 1px),
    rgba(8, 8, 6, 0.52);
  background-size: 38px 38px, 38px 38px, auto;
  overflow: hidden;
}

.radar-lines {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  fill: none;
  stroke: rgba(85, 226, 216, 0.22);
  stroke-width: 1.2;
}

.radar-core {
  position: absolute;
  left: 50%;
  top: 50%;
  display: grid;
  width: 144px;
  height: 144px;
  transform: translate(-50%, -50%);
  place-items: center;
  border: 1px solid rgba(216, 170, 76, 0.42);
  border-radius: 50%;
  background: rgba(8, 8, 6, 0.78);
  box-shadow: 0 0 34px rgba(216, 170, 76, 0.2);
  text-align: center;
}

.radar-core span {
  color: var(--paper);
  font-size: 2rem;
  font-weight: 900;
}

.radar-core small {
  margin-top: -32px;
  color: var(--muted);
  font-size: 0.72rem;
}

.domain-node {
  position: absolute;
  left: var(--x);
  top: var(--y);
  display: grid;
  width: 82px;
  height: 82px;
  transform: translate(-50%, -50%);
  place-items: center;
  border: 1px solid rgba(255, 246, 204, 0.24);
  border-radius: 50%;
  color: var(--paper);
  background: rgba(20, 20, 15, 0.82);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.24);
  cursor: pointer;
  transition: border-color 180ms ease, background 180ms ease, transform 180ms ease, box-shadow 180ms ease;
}

.domain-node:hover,
.domain-node:focus-visible,
.domain-node.is-active {
  border-color: rgba(168, 255, 104, 0.75);
  background: rgba(168, 255, 104, 0.12);
  box-shadow: 0 0 28px rgba(168, 255, 104, 0.28);
  transform: translate(-50%, -50%) scale(1.06);
  outline: none;
}

.domain-panel {
  min-height: 360px;
  padding: 34px;
  border: 1px solid rgba(255, 246, 204, 0.16);
  border-radius: 8px;
  background: linear-gradient(135deg, rgba(255, 246, 204, 0.08), rgba(8, 8, 6, 0.54));
  box-shadow: var(--shadow);
}

.domain-panel h3 {
  margin-bottom: 16px;
  font-size: 1.9rem;
}

.archive {
  display: grid;
  grid-template-columns: minmax(0, 0.72fr) minmax(420px, 1.28fr);
  gap: 34px;
  align-items: center;
}

.archive-copy p {
  max-width: 620px;
  margin-top: 18px;
}

.source-map {
  margin: 0;
  overflow: hidden;
  border: 1px solid rgba(255, 246, 204, 0.18);
  border-radius: 8px;
  background: #f8f3e8;
  box-shadow: var(--shadow);
}

.source-map img {
  width: 100%;
  aspect-ratio: 16 / 8;
  object-fit: cover;
}

.source-map figcaption {
  padding: 10px 14px;
  border-top: 1px solid rgba(8, 8, 6, 0.14);
  color: #2d291e;
  background: #fff8e8;
  font-size: 0.86rem;
}

.page-figure {
  align-self: center;
}

.page-figure img {
  aspect-ratio: 16 / 10;
}

.unlock-console {
  display: grid;
  grid-template-columns: minmax(360px, 1fr) minmax(0, 0.92fr);
  gap: 28px;
  min-height: 320px;
  margin-bottom: 16px;
  border: 1px solid rgba(255, 246, 204, 0.16);
  border-radius: 8px;
  background: rgba(8, 8, 6, 0.55);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.unlock-visual {
  position: relative;
  min-height: 320px;
  border-right: 1px solid rgba(255, 246, 204, 0.12);
  background:
    linear-gradient(90deg, rgba(216, 170, 76, 0.08) 1px, transparent 1px),
    linear-gradient(0deg, rgba(85, 226, 216, 0.08) 1px, transparent 1px);
  background-size: 32px 32px;
}

.turn-key {
  position: absolute;
  left: 7%;
  top: 50%;
  width: 72%;
  transform: translateY(-50%) rotate(var(--unlock-turn));
  transform-origin: 16% 50%;
  fill: var(--brass);
  transition: transform 520ms cubic-bezier(0.2, 0.82, 0.2, 1), fill 360ms ease;
  filter: drop-shadow(0 14px 24px rgba(0, 0, 0, 0.38));
}

.keyhole {
  position: absolute;
  right: 12%;
  top: 50%;
  width: 88px;
  height: 128px;
  transform: translateY(-50%);
  border: 1px solid rgba(255, 246, 204, 0.22);
  border-radius: 50px 50px 8px 8px;
  background:
    radial-gradient(circle at 50% 33%, rgba(0, 0, 0, 0.8) 0 20px, transparent 21px),
    linear-gradient(90deg, transparent 0 37px, rgba(0, 0, 0, 0.8) 38px 50px, transparent 51px),
    rgba(255, 246, 204, 0.08);
  box-shadow: inset 0 0 28px rgba(0, 0, 0, 0.4);
}

.unlock-control {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 34px;
}

.unlock-control h3 {
  margin-bottom: 12px;
  font-size: 1.8rem;
}

input[type="range"] {
  width: 100%;
  height: 34px;
  margin: 22px 0 8px;
  accent-color: var(--green);
  cursor: pointer;
}

.phase-track {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  color: var(--muted);
  font-size: 0.78rem;
  text-align: center;
}

.concept-grid {
  margin-top: 14px;
}

.portal-grid,
.insight-grid,
.question-grid,
.spec-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.insight-grid,
.spec-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.portal-grid {
  align-items: stretch;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
}

.week-card,
.insight-card,
.question-card,
.spec-card,
.semantic-row {
  position: relative;
  display: block;
  min-height: 260px;
  padding: 24px;
  border: 1px solid rgba(255, 246, 204, 0.16);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(255, 246, 204, 0.08), rgba(85, 226, 216, 0.035)),
    rgba(8, 8, 6, 0.56);
  box-shadow: 0 14px 48px rgba(0, 0, 0, 0.22);
  overflow: hidden;
}

.week-card {
  min-height: 340px;
  transition: transform 220ms ease, border-color 220ms ease, background 220ms ease;
}

.week-card:hover,
.week-card:focus-visible {
  transform: translateY(-4px);
  border-color: rgba(168, 255, 104, 0.42);
  background:
    linear-gradient(135deg, rgba(168, 255, 104, 0.11), rgba(85, 226, 216, 0.06)),
    rgba(8, 8, 6, 0.62);
  outline: none;
}

.week-card p,
.insight-card p,
.question-card p,
.spec-card p,
.semantic-row p {
  color: var(--muted);
}

.week-card strong {
  position: absolute;
  left: 24px;
  right: 24px;
  bottom: 22px;
  display: inline-flex;
  min-height: 38px;
  align-items: center;
  justify-content: space-between;
  color: var(--green);
  font-size: 0.92rem;
}

.week-card strong::after {
  content: "→";
  font-size: 1.2rem;
}

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

.question-card {
  min-height: 240px;
}

.two-column-story {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(330px, 0.9fr);
  gap: 18px;
  align-items: stretch;
}

.method-strip {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.method-strip div {
  display: grid;
  min-height: 112px;
  align-content: center;
  padding: 20px;
  border: 1px solid rgba(255, 246, 204, 0.14);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(216, 170, 76, 0.09), rgba(85, 226, 216, 0.045)),
    rgba(8, 8, 6, 0.54);
}

.method-strip strong {
  color: var(--paper);
  font-size: 1.25rem;
}

.method-strip span {
  color: var(--muted);
}

.formula-panel {
  display: grid;
  gap: 10px;
  padding: 30px;
  border: 1px solid rgba(255, 246, 204, 0.16);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(168, 255, 104, 0.09), rgba(85, 226, 216, 0.055)),
    rgba(8, 8, 6, 0.58);
  box-shadow: var(--shadow);
}

.formula-panel div {
  padding: 16px;
  border: 1px solid rgba(255, 246, 204, 0.14);
  border-radius: 8px;
  background: rgba(255, 246, 204, 0.045);
}

.formula-panel strong,
.formula-panel span {
  display: block;
}

.formula-panel strong {
  color: var(--paper);
  font-size: 1.1rem;
}

.formula-panel span {
  margin-top: 4px;
  color: var(--muted);
}

.formula-panel b {
  color: var(--green);
  font-size: 1.35rem;
  line-height: 1;
}

.week-section {
  overflow: hidden;
}

.essay-layout,
.network-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(420px, 1.08fr);
  gap: 18px;
  align-items: stretch;
  margin-bottom: 18px;
}

.essay-card,
.week-output {
  position: relative;
  padding: 30px;
  border: 1px solid rgba(255, 246, 204, 0.16);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(255, 246, 204, 0.08), rgba(85, 226, 216, 0.04)),
    rgba(8, 8, 6, 0.56);
  box-shadow: var(--shadow);
}

.essay-card p,
.week-output p,
.design-card p,
.memory-stack p {
  color: var(--muted);
}

.essay-card h3,
.week-output h3 {
  margin-bottom: 14px;
  font-size: 1.9rem;
}

.memory-stack {
  display: grid;
  gap: 12px;
}

.memory-stack article {
  position: relative;
  min-height: 160px;
  padding: 22px 22px 22px 78px;
  border: 1px solid rgba(255, 246, 204, 0.14);
  border-radius: 8px;
  background: rgba(255, 246, 204, 0.045);
}

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

.large-memory article {
  min-height: 280px;
}

.memory-stack article::before {
  content: "";
  position: absolute;
  left: 42px;
  top: 62px;
  bottom: 20px;
  width: 1px;
  background: linear-gradient(180deg, var(--cyan), transparent);
}

.memory-stack span {
  position: absolute;
  left: 20px;
  top: 22px;
  display: grid;
  width: 44px;
  height: 44px;
  place-items: center;
  border: 1px solid rgba(85, 226, 216, 0.38);
  border-radius: 50%;
  color: var(--cyan);
  background: rgba(85, 226, 216, 0.08);
  font-weight: 900;
}

.memory-stack h3,
.design-card h3 {
  margin-bottom: 8px;
}

.verb-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin: 18px 0;
  padding: 22px;
  border: 1px solid rgba(255, 246, 204, 0.14);
  border-radius: 8px;
  background:
    radial-gradient(circle at 12% 20%, rgba(168, 255, 104, 0.16), transparent 24%),
    radial-gradient(circle at 88% 18%, rgba(85, 226, 216, 0.14), transparent 28%),
    rgba(8, 8, 6, 0.52);
}

.verb-cloud span {
  padding: 7px 10px;
  border: 1px solid rgba(255, 246, 204, 0.18);
  border-radius: 999px;
  color: #efe5ca;
  background: rgba(255, 246, 204, 0.055);
  font-size: 0.9rem;
  transition: transform 180ms ease, background 180ms ease, color 180ms ease;
}

.verb-cloud span:nth-child(3n) {
  border-color: rgba(85, 226, 216, 0.28);
}

.verb-cloud span:nth-child(5n) {
  border-color: rgba(168, 255, 104, 0.28);
}

.verb-cloud span:hover {
  transform: translateY(-2px);
  color: var(--paper);
  background: rgba(168, 255, 104, 0.12);
}

.week-output {
  margin-top: 18px;
  border-color: rgba(168, 255, 104, 0.24);
  background:
    linear-gradient(135deg, rgba(168, 255, 104, 0.1), rgba(216, 170, 76, 0.06)),
    rgba(8, 8, 6, 0.6);
}

.semantic-table {
  display: grid;
  gap: 10px;
}

.semantic-row {
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr);
  gap: 18px;
  align-items: center;
  min-height: 112px;
}

.semantic-row h3 {
  margin: 0;
  color: var(--cyan);
}

.semantic-row p {
  margin: 0;
}

.compact-map {
  height: 100%;
}

.compact-map img {
  height: 100%;
  min-height: 410px;
}

.design-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-top: 18px;
}

.family-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 14px;
}

.family-card {
  position: relative;
  min-height: 370px;
  padding: 24px;
  border: 1px solid rgba(255, 246, 204, 0.16);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(255, 246, 204, 0.075), rgba(168, 255, 104, 0.035)),
    rgba(8, 8, 6, 0.56);
  box-shadow: 0 14px 48px rgba(0, 0, 0, 0.22);
  overflow: hidden;
}

.family-card::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 3px;
  background: linear-gradient(90deg, var(--green), var(--cyan), var(--brass));
}

.family-card p {
  color: var(--muted);
}

.family-card dl {
  display: grid;
  gap: 8px;
  margin: 18px 0 0;
}

.family-card dl div {
  padding-top: 8px;
  border-top: 1px solid rgba(255, 246, 204, 0.12);
}

.family-card dt {
  color: var(--cyan);
  font-size: 0.78rem;
  font-weight: 900;
}

.family-card dd {
  margin: 2px 0 0;
  color: var(--paper);
  font-size: 0.9rem;
}

.design-card {
  position: relative;
  min-height: 310px;
  padding: 24px;
  border: 1px solid rgba(255, 246, 204, 0.16);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(255, 246, 204, 0.075), rgba(255, 255, 255, 0.018)),
    rgba(8, 8, 6, 0.56);
  box-shadow: 0 14px 48px rgba(0, 0, 0, 0.22);
  overflow: hidden;
}

.design-card::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 3px;
  background: linear-gradient(90deg, var(--cyan), var(--green), var(--brass));
}

.design-card dl {
  display: grid;
  gap: 8px;
  margin: 18px 0 0;
}

.design-card dl div {
  padding-top: 8px;
  border-top: 1px solid rgba(255, 246, 204, 0.12);
}

.design-card dt {
  color: var(--cyan);
  font-size: 0.78rem;
  font-weight: 900;
}

.design-card dd {
  margin: 2px 0 0;
  color: var(--paper);
  font-size: 0.9rem;
}

.archive-gallery {
  display: grid;
  grid-column: 1 / -1;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
}

.archive-gallery .source-map img {
  aspect-ratio: 16 / 10;
}

.field-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.field-card {
  position: relative;
  min-height: 260px;
  padding: 24px;
  border: 1px solid rgba(255, 246, 204, 0.16);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(255, 246, 204, 0.075), rgba(85, 226, 216, 0.035)),
    rgba(8, 8, 6, 0.56);
  box-shadow: 0 14px 48px rgba(0, 0, 0, 0.22);
  overflow: hidden;
}

.field-card p {
  color: var(--muted);
}

.photo-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.field-photo {
  position: relative;
  min-height: 270px;
  margin: 0;
  overflow: hidden;
  border: 1px solid rgba(255, 246, 204, 0.16);
  border-radius: 8px;
  background: rgba(8, 8, 6, 0.58);
  box-shadow: 0 14px 48px rgba(0, 0, 0, 0.22);
}

.field-photo.large {
  grid-column: span 2;
  grid-row: span 2;
}

.field-photo img {
  width: 100%;
  height: 100%;
  min-height: 270px;
  object-fit: cover;
  filter: saturate(0.95) contrast(1.05);
}

.field-photo figcaption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 12px 14px;
  color: var(--paper);
  background: linear-gradient(180deg, transparent, rgba(8, 8, 6, 0.86));
  font-size: 0.88rem;
}

.pdf-frame {
  display: block;
  grid-column: 1 / -1;
  width: 100%;
  min-height: 680px;
  border: 1px solid rgba(255, 246, 204, 0.18);
  border-radius: 8px;
  background: rgba(255, 246, 204, 0.06);
  box-shadow: var(--shadow);
}

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

.spec-card {
  min-height: 230px;
}

.pipeline {
  padding: 30px;
  border: 1px solid rgba(255, 246, 204, 0.16);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(255, 246, 204, 0.07), rgba(168, 255, 104, 0.045)),
    rgba(8, 8, 6, 0.58);
  box-shadow: var(--shadow);
}

.pipeline-steps {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 10px;
  margin-top: 24px;
}

.pipeline-steps div {
  position: relative;
  min-height: 190px;
  padding: 18px;
  border: 1px solid rgba(255, 246, 204, 0.14);
  border-radius: 8px;
  background: rgba(255, 246, 204, 0.045);
}

.pipeline-steps span {
  display: inline-grid;
  width: 36px;
  height: 30px;
  margin-bottom: 18px;
  place-items: center;
  border: 1px solid rgba(168, 255, 104, 0.34);
  border-radius: 6px;
  color: var(--green);
  background: rgba(168, 255, 104, 0.08);
  font-weight: 900;
}

.pipeline-steps strong {
  display: block;
  margin-bottom: 8px;
  color: var(--paper);
}

.pipeline-steps p {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.next-links {
  display: flex;
  justify-content: center;
  gap: 12px;
  padding-top: 34px;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 26px max(24px, calc((100vw - 1180px) / 2)) 40px;
  border-top: 1px solid rgba(255, 246, 204, 0.1);
  background: #080806;
}

.site-footer p {
  margin: 0;
  font-size: 0.9rem;
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 640ms ease, transform 640ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes scan {
  0% { transform: translateY(0); }
  100% { transform: translateY(390%); }
}

@keyframes keyFloat {
  0%, 100% { transform: translateY(-50%) rotate(-5deg) translateX(0); }
  50% { transform: translateY(-54%) rotate(2deg) translateX(8px); }
}

@keyframes ringSpin {
  to { transform: rotate(353deg); }
}

@keyframes pinLift {
  0%, 100% { height: 18px; opacity: 0.58; }
  50% { height: 35px; opacity: 1; }
}

@media (max-width: 980px) {
  .hero,
  .archive,
  .domain-layout,
  .unlock-console,
  .process-stage,
  .essay-layout,
  .network-layout,
  .two-column-story {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 112px;
  }

  h1 {
    font-size: 3.35rem;
  }

  h2 {
    font-size: 2.1rem;
  }

  .hero-visual {
    min-height: 460px;
  }

  .brief-grid,
  .concept-grid,
  .course-meta,
  .design-grid,
  .archive-gallery,
  .portal-grid,
  .insight-grid,
  .question-grid,
  .spec-grid,
  .field-grid,
  .photo-grid,
  .family-grid,
  .large-memory {
    grid-template-columns: 1fr;
  }

  .field-photo.large {
    grid-column: auto;
    grid-row: auto;
  }

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

  .compact-map img {
    min-height: 0;
  }

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

  .lock-lab,
  .unlock-visual {
    border-left: 0;
    border-right: 0;
    border-top: 1px solid rgba(255, 246, 204, 0.12);
  }

  .archive {
    gap: 24px;
  }
}

@media (max-width: 680px) {
  .topbar {
    position: sticky;
    top: 0;
    left: 0;
    width: 100%;
    transform: none;
    border-radius: 0;
  }

  .brand {
    min-width: auto;
  }

  .brand span:last-child {
    display: none;
  }

  .nav-links a {
    min-height: 34px;
    padding: 6px 8px;
    font-size: 0.86rem;
  }

  .hero,
  .section-band {
    padding-left: 18px;
    padding-right: 18px;
  }

  h1 {
    font-size: 2.62rem;
  }

  h2 {
    font-size: 1.72rem;
  }

  .hero-visual {
    min-height: 360px;
  }

  .map-plate {
    inset: 0 0 30% 0;
  }

  .key-orbit {
    left: 0;
    right: 0;
    height: 200px;
  }

  .process-rail {
    grid-template-columns: 1fr;
  }

  .step-button {
    border-right: 0;
  }

  .step-card,
  .domain-panel,
  .unlock-control,
  .brief-item,
  .concept-card,
  .essay-card,
  .week-output,
  .design-card {
    padding: 22px;
  }

  .memory-stack article {
    padding-right: 18px;
  }

  .radar {
    min-height: 310px;
  }

  .domain-node {
    width: 64px;
    height: 64px;
    font-size: 0.88rem;
  }

  .radar-core {
    width: 112px;
    height: 112px;
  }

  .source-map img {
    aspect-ratio: 4 / 3;
  }

  .semantic-row {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .pipeline {
    padding: 22px;
  }

  .formula-panel {
    padding: 22px;
  }

  .pipeline-steps {
    grid-template-columns: 1fr;
  }

  .next-links {
    display: grid;
  }

  .site-footer {
    display: block;
  }

  .site-footer p + p {
    margin-top: 8px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.001ms !important;
  }
}