/* LY7 新人定向孵化门户 — 科技风响应式 */
:root {
  --bg: #f0f4f8;
  --bg-elevated: #ffffff;
  --bg-panel: #e8eef5;
  --ink: #0b1a2b;
  --ink-soft: #3d5166;
  --ink-muted: #6b7f94;
  --line: rgba(11, 26, 43, 0.1);
  --line-strong: rgba(11, 26, 43, 0.18);
  --accent: #0a7a8a;
  --accent-deep: #065a66;
  --accent-soft: rgba(10, 122, 138, 0.12);
  --accent-mid: #1a9aab;
  --steel: #1e3a5f;
  --warn: #c45c26;
  --warn-soft: rgba(196, 92, 38, 0.12);
  --ok: #1a7a4c;
  --ok-soft: rgba(26, 122, 76, 0.12);
  --danger: #b83232;
  --danger-soft: rgba(184, 50, 50, 0.1);
  --gold: #9a7b2f;
  --gold-soft: rgba(154, 123, 47, 0.12);
  --radius: 4px;
  --radius-lg: 12px;
  --shadow: 0 12px 40px rgba(11, 26, 43, 0.08);
  --font-display: "Space Grotesk", "DIN Alternate", "Segoe UI", sans-serif;
  --font-body: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-mono: "IBM Plex Mono", "Consolas", monospace;
  --nav-h: 72px;
  --max: 1120px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.7;
  min-height: 100vh;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(ellipse 80% 50% at 10% -10%, rgba(10, 122, 138, 0.14), transparent 55%),
    radial-gradient(ellipse 60% 40% at 95% 5%, rgba(30, 58, 95, 0.1), transparent 50%),
    linear-gradient(180deg, #e6eef6 0%, #f0f4f8 40%, #e9f0f5 100%);
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.35;
  background-image:
    linear-gradient(rgba(11, 26, 43, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(11, 26, 43, 0.03) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(180deg, #000 0%, transparent 85%);
}

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

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

ul,
ol {
  list-style: none;
}

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

.container {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
}

/* —— Header —— */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--nav-h);
  backdrop-filter: blur(16px);
  background: rgba(240, 244, 248, 0.85);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

.brand-mark {
  width: 40px;
  height: 40px;
  border-radius: var(--radius);
  background: linear-gradient(135deg, var(--steel), var(--accent));
  display: grid;
  place-items: center;
  color: #fff;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  position: relative;
  overflow: hidden;
}

.brand-mark::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, transparent 30%, rgba(255, 255, 255, 0.25), transparent 70%);
  transform: translateX(-100%);
  animation: sheen 4s var(--ease) infinite;
}

@keyframes sheen {
  0%,
  70% {
    transform: translateX(-100%);
  }
  100% {
    transform: translateX(100%);
  }
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.brand-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.02em;
}

.brand-sub {
  font-size: 0.7rem;
  color: var(--ink-muted);
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
}

.nav {
  display: flex;
  align-items: center;
  gap: 0.1rem;
}

.nav a {
  padding: 0.4rem 0.45rem;
  font-size: 0.78rem;
  color: var(--ink-soft);
  border-radius: var(--radius);
  transition: color 0.2s, background 0.2s;
  white-space: nowrap;
}

.nav a:hover,
.nav a.active {
  color: var(--accent-deep);
  background: var(--accent-soft);
}

.nav-cta {
  margin-left: 0.35rem !important;
  background: var(--steel) !important;
  color: #fff !important;
  padding: 0.45rem 0.75rem !important;
}

.nav-cta:hover {
  background: var(--accent-deep) !important;
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
}

.menu-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--ink);
  transition: transform 0.25s var(--ease), opacity 0.2s;
}

.menu-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.menu-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.menu-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* —— Hero —— */
.hero {
  position: relative;
  min-height: 0;
  display: flex;
  align-items: center;
  padding: 1.75rem 0 1.85rem;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  background:
    linear-gradient(105deg, rgba(11, 26, 43, 0.88) 0%, rgba(10, 122, 138, 0.75) 55%, rgba(30, 58, 95, 0.7) 100%),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='800' height='600' viewBox='0 0 800 600'%3E%3Crect fill='%230b1a2b' width='800' height='600'/%3E%3Cg fill='none' stroke='%230a7a8a' stroke-opacity='0.35'%3E%3Cpath d='M0 300h800M400 0v600'/%3E%3Ccircle cx='400' cy='300' r='120'/%3E%3Ccircle cx='400' cy='300' r='200'/%3E%3Cpath d='M100 100l150 80M700 100l-150 80M100 500l150-80M700 500l-150-80'/%3E%3C/g%3E%3Ccircle cx='400' cy='300' r='8' fill='%231a9aab'/%3E%3C/svg%3E")
      center/cover;
}

.hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 3px,
    rgba(0, 0, 0, 0.03) 3px,
    rgba(0, 0, 0, 0.03) 4px
  );
  animation: scan 8s linear infinite;
  pointer-events: none;
}

@keyframes scan {
  from {
    transform: translateY(0);
  }
  to {
    transform: translateY(20px);
  }
}

.hero-content {
  position: relative;
  z-index: 1;
  color: #fff;
  max-width: 720px;
  animation: rise 0.9s var(--ease) both;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(28px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 0.65rem;
}

.hero-tag::before {
  content: "";
  width: 8px;
  height: 8px;
  background: var(--accent-mid);
  border-radius: 1px;
  animation: pulse 2s ease infinite;
}

@keyframes pulse {
  0%,
  100% {
    opacity: 1;
    box-shadow: 0 0 0 0 rgba(26, 154, 171, 0.5);
  }
  50% {
    opacity: 0.7;
    box-shadow: 0 0 0 8px rgba(26, 154, 171, 0);
  }
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 0.55rem;
}

.hero-lead {
  font-size: clamp(0.95rem, 2vw, 1.1rem);
  color: rgba(255, 255, 255, 0.85);
  max-width: 36em;
  margin-bottom: 1.15rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.85rem 1.4rem;
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: var(--radius);
  transition: transform 0.2s var(--ease), background 0.2s, color 0.2s, border-color 0.2s;
}

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

.btn-primary {
  background: #fff;
  color: var(--steel);
}

.btn-primary:hover {
  background: #e8f4f6;
}

.btn-ghost {
  border: 1px solid rgba(255, 255, 255, 0.35);
  color: #fff;
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.6);
}

.btn-solid {
  background: var(--steel);
  color: #fff;
}

.btn-solid:hover {
  background: var(--accent-deep);
}

.btn-outline {
  border: 1px solid var(--line-strong);
  color: var(--ink);
  background: var(--bg-elevated);
}

.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent-deep);
}

/* —— Page hero (inner) —— */
.page-hero {
  padding: 1.35rem 0 1.15rem;
  border-bottom: 1px solid var(--line);
  position: relative;
}

.page-hero::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 100%;
  background: linear-gradient(90deg, var(--accent-soft), transparent 60%);
  pointer-events: none;
}

.page-hero .container {
  position: relative;
}

.breadcrumb {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--ink-muted);
  margin-bottom: 0.55rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  align-items: center;
}

.breadcrumb a:hover {
  color: var(--accent);
}

.page-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(1.55rem, 3.5vw, 2.15rem);
  letter-spacing: -0.02em;
  margin-bottom: 0.4rem;
}

.page-hero p {
  color: var(--ink-soft);
  max-width: 40em;
  font-size: 0.95rem;
}

.page-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.75rem;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.3rem 0.7rem;
  font-size: 0.75rem;
  font-family: var(--font-mono);
  background: var(--bg-elevated);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--ink-soft);
}

.chip-accent {
  background: var(--accent-soft);
  border-color: transparent;
  color: var(--accent-deep);
}

/* —— Sections —— */
.section {
  padding: 2.25rem 0;
}

.section-head {
  margin-bottom: 2rem;
  max-width: 40em;
}

.section-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.5rem;
}

.section-head h2 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2rem);
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
}

.section-head p {
  color: var(--ink-soft);
}

/* —— Manifesto —— */
.manifesto {
  background: var(--bg-elevated);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: clamp(1.5rem, 4vw, 2.5rem);
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
}

.manifesto::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: linear-gradient(180deg, var(--accent), var(--steel));
}

.manifesto blockquote {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2.5vw, 1.65rem);
  font-weight: 600;
  line-height: 1.4;
  margin-bottom: 1.25rem;
  color: var(--steel);
}

.manifesto p {
  color: var(--ink-soft);
  margin-bottom: 0.85rem;
}

.manifesto p:last-child {
  margin-bottom: 0;
}

.manifesto strong {
  color: var(--ink);
}

/* —— Module grid —— */
.module-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.module-card {
  background: var(--bg-elevated);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  transition: border-color 0.25s, transform 0.25s var(--ease), box-shadow 0.25s;
  position: relative;
  overflow: hidden;
}

.module-card::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 80px;
  height: 80px;
  background: radial-gradient(circle at top right, var(--accent-soft), transparent 70%);
  pointer-events: none;
}

.module-card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

.module-num {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--accent);
  letter-spacing: 0.1em;
}

.module-card h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  letter-spacing: -0.01em;
}

.module-card p {
  color: var(--ink-soft);
  font-size: 0.92rem;
  flex: 1;
}

.module-link {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent-deep);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.module-link::after {
  content: "→";
  transition: transform 0.2s;
}

.module-card:hover .module-link::after {
  transform: translateX(4px);
}

/* —— Principles —— */
.principles {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.75rem;
}

.principle {
  background: var(--bg-panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  text-align: center;
}

.principle strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.05rem;
  margin-bottom: 0.35rem;
  color: var(--steel);
}

.principle span {
  font-size: 0.85rem;
  color: var(--ink-soft);
}

/* —— Knowledge blocks —— */
.kb-block {
  background: var(--bg-elevated);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  margin-bottom: 1.25rem;
  overflow: hidden;
}

.kb-block-head {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(90deg, var(--accent-soft), transparent);
}

.kb-index {
  flex-shrink: 0;
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  background: var(--steel);
  color: #fff;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.9rem;
  border-radius: var(--radius);
}

.kb-block-head h2 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  margin-bottom: 0.25rem;
}

.kb-block-head p {
  font-size: 0.88rem;
  color: var(--ink-muted);
}

.kb-items {
  display: grid;
  gap: 0;
}

.kb-item {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--line);
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 1rem;
  align-items: start;
}

.kb-item:last-child {
  border-bottom: none;
}

.kb-item h3 {
  font-size: 0.95rem;
  font-family: var(--font-display);
  color: var(--accent-deep);
}

.kb-item p {
  color: var(--ink-soft);
  font-size: 0.92rem;
}

/* —— Training —— */
.role-panel {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 1.25rem;
  margin-bottom: 2rem;
}

.role-main {
  background: var(--steel);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: 2rem;
  position: relative;
  overflow: hidden;
}

.role-main::before {
  content: "";
  position: absolute;
  right: -40px;
  bottom: -40px;
  width: 180px;
  height: 180px;
  border: 2px solid rgba(255, 255, 255, 0.08);
  border-radius: 50%;
}

.role-main .label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  opacity: 0.7;
  margin-bottom: 0.75rem;
}

.role-main h2 {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 3vw, 1.85rem);
  line-height: 1.3;
  margin-bottom: 1rem;
}

.role-main p {
  opacity: 0.85;
  font-size: 0.95rem;
}

.role-split {
  display: grid;
  gap: 0.75rem;
}

.do-box,
.dont-box {
  border-radius: var(--radius-lg);
  padding: 1.25rem 1.4rem;
  border: 1px solid var(--line);
  background: var(--bg-elevated);
}

.do-box {
  border-left: 4px solid var(--ok);
}

.dont-box {
  border-left: 4px solid var(--ink-muted);
}

.do-box h3,
.dont-box h3 {
  font-family: var(--font-display);
  font-size: 0.95rem;
  margin-bottom: 0.5rem;
}

.do-box h3 {
  color: var(--ok);
}

.dont-box h3 {
  color: var(--ink-muted);
}

.do-box p,
.dont-box p {
  font-size: 0.9rem;
  color: var(--ink-soft);
}

.track-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.track {
  background: var(--bg-elevated);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.track-a {
  border-top: 3px solid var(--accent);
}

.track-b {
  border-top: 3px solid var(--steel);
}

.track-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
}

.track h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
}

.track-pct {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
}

.track-b .track-pct {
  color: var(--steel);
}

.track dl {
  display: grid;
  gap: 0.75rem;
}

.track dt {
  font-size: 0.72rem;
  font-family: var(--font-mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-bottom: 0.2rem;
}

.track dd {
  font-size: 0.92rem;
  color: var(--ink-soft);
}

/* —— Milestones —— */
.timeline {
  position: relative;
  display: grid;
  gap: 1.5rem;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 19px;
  top: 24px;
  bottom: 24px;
  width: 2px;
  background: linear-gradient(180deg, var(--ok), var(--gold), var(--danger));
  opacity: 0.35;
}

.phase {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 1rem;
  position: relative;
}

.phase-dot {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  color: #fff;
  z-index: 1;
}

.phase-1 .phase-dot {
  background: var(--ok);
}

.phase-2 .phase-dot {
  background: var(--gold);
}

.phase-3 .phase-dot {
  background: var(--danger);
}

.phase-body {
  background: var(--bg-elevated);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.phase-head {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
}

.phase-1 .phase-head {
  background: var(--ok-soft);
}

.phase-2 .phase-head {
  background: var(--gold-soft);
}

.phase-3 .phase-head {
  background: var(--danger-soft);
}

.phase-head h2 {
  font-family: var(--font-display);
  font-size: 1.2rem;
}

.phase-time {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--ink-muted);
}

.phase-cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
}

.phase-col {
  padding: 1.25rem 1.5rem;
}

.phase-col + .phase-col {
  border-left: 1px solid var(--line);
}

.phase-col h3 {
  font-size: 0.8rem;
  font-family: var(--font-mono);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-bottom: 0.75rem;
}

.phase-col ol,
.phase-col ul {
  display: grid;
  gap: 0.65rem;
}

.phase-col li {
  font-size: 0.92rem;
  color: var(--ink-soft);
  padding-left: 1.1rem;
  position: relative;
}

.phase-col ol li::before {
  content: counter(item);
  counter-increment: item;
  position: absolute;
  left: 0;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent);
  font-weight: 700;
}

.phase-col ol {
  counter-reset: item;
}

.phase-col ul li::before {
  content: "▸";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-size: 0.75rem;
}

.phase-alert {
  margin: 0 1.5rem 1.25rem;
  padding: 0.85rem 1rem;
  border-radius: var(--radius);
  font-size: 0.88rem;
  background: var(--warn-soft);
  color: var(--warn);
  border: 1px solid rgba(196, 92, 38, 0.2);
}

.phase-reward {
  margin: 0 1.5rem 1.25rem;
  padding: 0.85rem 1rem;
  border-radius: var(--radius);
  font-size: 0.88rem;
  background: var(--gold-soft);
  color: var(--gold);
  border: 1px solid rgba(154, 123, 47, 0.25);
}

/* —— Mindset —— */
.mindset-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.mindset-card {
  background: var(--bg-elevated);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  position: relative;
}

.mindset-card .tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

.mindset-card h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  margin-bottom: 0.75rem;
}

.mindset-card p {
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.mindset-card::before {
  content: "";
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  width: 28px;
  height: 28px;
  border: 1px solid var(--line);
  border-radius: 2px;
  background:
    linear-gradient(var(--accent), var(--accent)) center/12px 1px no-repeat,
    linear-gradient(var(--accent), var(--accent)) center/1px 12px no-repeat;
  opacity: 0.4;
}

/* —— Covenant —— */
.covenant {
  background: var(--bg-elevated);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: clamp(1.5rem, 4vw, 2.5rem);
  box-shadow: var(--shadow);
}

.covenant-quote {
  font-family: var(--font-display);
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  line-height: 1.65;
  color: var(--steel);
  margin-bottom: 1.5rem;
  white-space: pre-line;
}

.covenant-quote strong {
  color: var(--ink);
  display: block;
  margin-top: 1rem;
  font-size: 1.15em;
}

.confirm-box {
  margin-top: 2rem;
  padding: 1.5rem;
  background: var(--bg-panel);
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius-lg);
}

.confirm-box h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  margin-bottom: 0.75rem;
}

.confirm-box p {
  font-size: 0.9rem;
  color: var(--ink-soft);
  margin-bottom: 1.25rem;
}

.confirm-form {
  display: grid;
  gap: 1rem;
}

.confirm-check {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.92rem;
  cursor: pointer;
}

.confirm-check input {
  margin-top: 0.3rem;
  accent-color: var(--accent);
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.confirm-fields {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

.field label {
  display: block;
  font-size: 0.75rem;
  font-family: var(--font-mono);
  color: var(--ink-muted);
  margin-bottom: 0.35rem;
}

.field input {
  width: 100%;
  padding: 0.7rem 0.85rem;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--bg-elevated);
  font: inherit;
  color: var(--ink);
}

.field input:focus {
  outline: 2px solid var(--accent-soft);
  border-color: var(--accent);
}

.confirm-status {
  display: none;
  margin-top: 1rem;
  padding: 0.85rem 1rem;
  background: var(--ok-soft);
  color: var(--ok);
  border-radius: var(--radius);
  font-size: 0.9rem;
}

.confirm-status.show {
  display: block;
}

/* —— Side rail —— */
.layout-with-rail {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 1.5rem;
  align-items: start;
}

.rail {
  position: sticky;
  top: calc(var(--nav-h) + 1rem);
  background: var(--steel);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: 1.25rem;
}

.rail h3 {
  font-family: var(--font-display);
  font-size: 0.95rem;
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}

.rail ul {
  display: grid;
  gap: 0.85rem;
}

.rail li {
  font-size: 0.8rem;
  opacity: 0.85;
  line-height: 1.5;
  padding-left: 0.85rem;
  position: relative;
}

.rail li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.45em;
  width: 5px;
  height: 5px;
  background: var(--accent-mid);
}

/* —— Skills —— */
.skill-principle {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.25rem;
  align-items: start;
  background: var(--bg-elevated);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 1.15rem;
  margin-bottom: 1.25rem;
  box-shadow: var(--shadow);
}

.skill-principle-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius);
  background: linear-gradient(135deg, var(--steel), var(--accent));
  color: #fff;
  display: grid;
  place-items: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.75rem;
  flex-shrink: 0;
}

.skill-principle h2 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
}

.skill-principle p {
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.skill-toc {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.skill-note {
  margin: 0 0 1.5rem;
  padding: 0.85rem 1rem;
  background: var(--accent-soft);
  border: 1px solid rgba(10, 122, 138, 0.2);
  border-radius: var(--radius-lg);
  font-size: 0.92rem;
  color: var(--ink-soft);
}

.skill-note a {
  color: var(--accent-deep);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.skill-toc a {
  display: block;
  padding: 1rem;
  background: var(--bg-elevated);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  transition: border-color 0.2s, transform 0.2s var(--ease);
}

.skill-toc a:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.skill-toc .num {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--accent);
  letter-spacing: 0.08em;
  display: block;
  margin-bottom: 0.35rem;
}

.skill-toc strong {
  display: block;
  font-family: var(--font-display);
  font-size: 0.95rem;
  margin-bottom: 0.25rem;
}

.skill-toc span {
  font-size: 0.78rem;
  color: var(--ink-muted);
}

.skill-module {
  background: var(--bg-elevated);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  margin-bottom: 1rem;
  overflow: hidden;
  scroll-margin-top: calc(var(--nav-h) + 1rem);
}

.skill-module-head {
  padding: 1rem 1.15rem;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(90deg, var(--accent-soft), transparent 70%);
}

.skill-module-head .meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.skill-module-head h2 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  margin-bottom: 0.35rem;
}

.skill-module-head .goal {
  color: var(--ink-soft);
  font-size: 0.88rem;
  margin-bottom: 0.4rem;
}

.skill-module-head .avoid {
  font-size: 0.85rem;
  color: var(--ink-muted);
  padding: 0.55rem 0.75rem;
  background: var(--bg-panel);
  border-radius: var(--radius);
  border-left: 3px solid var(--ink-muted);
}

.skill-list {
  display: grid;
  gap: 0.65rem;
  padding: 1rem 1.15rem 1.15rem;
}

.skill-acc {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--bg);
  overflow: hidden;
  transition: border-color 0.2s;
}

.skill-acc[open] {
  border-color: var(--accent);
  background: var(--bg-elevated);
}

.skill-acc summary {
  list-style: none;
  cursor: pointer;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 0.85rem;
  align-items: center;
  padding: 0.95rem 1.1rem;
  user-select: none;
}

.skill-acc summary::-webkit-details-marker {
  display: none;
}

.skill-acc-tag {
  width: 52px;
  height: 52px;
  border-radius: var(--radius);
  background: var(--steel);
  color: #fff;
  display: grid;
  place-items: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.72rem;
  letter-spacing: 0.02em;
  text-align: center;
  line-height: 1.15;
  flex-shrink: 0;
}

.skill-acc-main {
  min-width: 0;
}

.skill-acc-main h3 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  margin-bottom: 0.2rem;
  color: var(--ink);
}

.skill-acc-main p {
  font-size: 0.85rem;
  color: var(--ink-soft);
  line-height: 1.5;
}

.skill-acc-toggle {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  color: var(--accent-deep);
  background: var(--accent-soft);
  padding: 0.4rem 0.65rem;
  border-radius: var(--radius);
  white-space: nowrap;
  transition: background 0.2s, color 0.2s;
}

.skill-acc[open] .skill-acc-toggle {
  background: var(--steel);
  color: #fff;
}

.skill-acc[open] .skill-acc-toggle::after {
  content: "收起";
}

.skill-acc:not([open]) .skill-acc-toggle::after {
  content: "展开详情";
}

.skill-acc-body {
  padding: 0 1.1rem 1.15rem;
  border-top: 1px solid var(--line);
  display: grid;
  gap: 0.85rem;
}

.skill-detail-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
  padding-top: 1rem;
}

.skill-detail-grid.cols-3 {
  grid-template-columns: repeat(3, 1fr);
}

.skill-detail-block {
  background: var(--bg-panel);
  border-radius: var(--radius);
  padding: 0.9rem 1rem;
  border: 1px solid var(--line);
}

.skill-detail-block h4 {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.55rem;
}

.skill-detail-block p,
.skill-detail-block li {
  font-size: 0.85rem;
  color: var(--ink-soft);
  line-height: 1.6;
}

.skill-detail-block ul {
  display: grid;
  gap: 0.35rem;
}

.skill-detail-block li {
  padding-left: 0.85rem;
  position: relative;
}

.skill-detail-block li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 5px;
  height: 5px;
  background: var(--accent);
  border-radius: 1px;
}

.skill-detail-block strong {
  color: var(--ink);
}

.handoff-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.handoff-step {
  background: var(--bg-elevated);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  border-top: 3px solid var(--accent);
}

.handoff-step:nth-child(2) {
  border-top-color: var(--steel);
}

.handoff-step:nth-child(3) {
  border-top-color: var(--gold);
}

.handoff-step .step-num {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--accent);
  letter-spacing: 0.1em;
  margin-bottom: 0.5rem;
}

.handoff-step h3 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  margin-bottom: 0.6rem;
}

.handoff-step p,
.handoff-step li {
  font-size: 0.88rem;
  color: var(--ink-soft);
}

.handoff-step ul {
  display: grid;
  gap: 0.4rem;
  margin-top: 0.5rem;
}

.handoff-step li {
  padding-left: 0.85rem;
  position: relative;
}

.handoff-step li::before {
  content: "·";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
}

.wake-up {
  background: var(--steel);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: clamp(1.5rem, 4vw, 2.25rem);
  position: relative;
  overflow: hidden;
}

.wake-up::before {
  content: "";
  position: absolute;
  right: -30px;
  top: -30px;
  width: 140px;
  height: 140px;
  border: 2px solid rgba(255, 255, 255, 0.08);
  border-radius: 50%;
}

.wake-up .label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  opacity: 0.65;
  margin-bottom: 0.85rem;
}

.wake-up p {
  opacity: 0.9;
  margin-bottom: 0.85rem;
  font-size: 0.98rem;
  line-height: 1.75;
  position: relative;
}

.wake-up p:last-child {
  margin-bottom: 0;
}

.wake-up strong {
  color: #fff;
}

/* —— Maxims —— */
.maxim-rail {
  border-block: 1px solid var(--line);
  background: linear-gradient(90deg, rgba(30, 58, 95, 0.06), rgba(10, 122, 138, 0.08), rgba(30, 58, 95, 0.06));
  overflow: hidden;
  position: relative;
}

.maxim-rail::before,
.maxim-rail::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  width: 48px;
  z-index: 2;
  pointer-events: none;
}

.maxim-rail::before {
  left: 0;
  background: linear-gradient(90deg, var(--bg), transparent);
}

.maxim-rail::after {
  right: 0;
  background: linear-gradient(270deg, var(--bg), transparent);
}

.maxim-track {
  display: flex;
  gap: 0;
  width: max-content;
  animation: maxim-scroll 42s linear infinite;
  padding: 0.9rem 0;
}

.maxim-rail:hover .maxim-track {
  animation-play-state: paused;
}

@keyframes maxim-scroll {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-50%);
  }
}

.maxim-item {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0 1.75rem;
  white-space: nowrap;
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--steel);
  letter-spacing: 0.04em;
}

.maxim-item::before {
  content: "";
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 1px;
  flex-shrink: 0;
  opacity: 0.7;
}

.maxim-wall {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0.75rem;
}

.maxim-card {
  background: var(--bg-elevated);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 1.35rem 1rem;
  text-align: center;
  position: relative;
  overflow: hidden;
  transition: transform 0.25s var(--ease), border-color 0.25s, box-shadow 0.25s;
  min-height: 140px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.65rem;
}

.maxim-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(160deg, var(--accent-soft), transparent 55%);
  opacity: 0;
  transition: opacity 0.25s;
}

.maxim-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
  box-shadow: var(--shadow);
}

.maxim-card:hover::before {
  opacity: 1;
}

.maxim-card .idx {
  position: relative;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  color: var(--accent);
}

.maxim-card p {
  position: relative;
  font-family: var(--font-display);
  font-size: clamp(0.95rem, 1.4vw, 1.05rem);
  font-weight: 600;
  line-height: 1.45;
  color: var(--steel);
  letter-spacing: 0.06em;
}

.maxim-feature {
  margin: 0;
  padding: 0.7rem 1rem;
  background: var(--steel);
  color: #fff;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  gap: 0.85rem;
  position: relative;
  overflow: hidden;
}

.maxim-feature::after {
  content: "";
  position: absolute;
  right: -20px;
  top: -20px;
  width: 100px;
  height: 100px;
  border: 1.5px solid rgba(255, 255, 255, 0.08);
  border-radius: 50%;
}

.maxim-feature .mark {
  flex-shrink: 0;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  opacity: 0.55;
  writing-mode: vertical-rl;
  transform: rotate(180deg);
}

.maxim-feature p {
  font-family: var(--font-display);
  font-size: clamp(0.95rem, 2vw, 1.15rem);
  font-weight: 600;
  letter-spacing: 0.08em;
  line-height: 1.35;
  position: relative;
}

/* —— Service Matrix —— */
.matrix-intro {
  max-width: 52em;
  margin: 0 auto 1.5rem;
  text-align: center;
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.matrix-toolbar {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.matrix-toolbar button {
  padding: 0.45rem 0.9rem;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  background: var(--bg-elevated);
  color: var(--ink-soft);
  font-size: 0.82rem;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
}

.matrix-toolbar button.active,
.matrix-toolbar button:hover {
  background: var(--steel);
  color: #fff;
  border-color: var(--steel);
}

.matrix-grid {
  display: grid;
  gap: 0.85rem;
}

.matrix-grid.cols-6 {
  grid-template-columns: repeat(6, 1fr);
}

.matrix-grid.cols-4 {
  grid-template-columns: repeat(4, 1fr);
}

.matrix-card {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  padding: 1.1rem 1rem;
  background: var(--bg-elevated);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  transition: transform 0.25s var(--ease), border-color 0.25s, box-shadow 0.25s;
  min-height: 150px;
  text-decoration: none;
  color: inherit;
}

.matrix-card:hover {
  transform: translateY(-3px);
  border-color: var(--accent);
  box-shadow: var(--shadow);
}

.matrix-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius);
  display: grid;
  place-items: center;
  color: #fff;
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  margin-bottom: 0.25rem;
}

.matrix-card h3 {
  font-family: var(--font-display);
  font-size: 0.98rem;
  line-height: 1.3;
  color: var(--ink);
}

.matrix-url {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--accent);
  word-break: break-all;
}

.matrix-card p {
  font-size: 0.8rem;
  color: var(--ink-soft);
  line-height: 1.5;
  flex: 1;
}

.matrix-icon.c1 { background: linear-gradient(135deg, #1e3a5f, #0a7a8a); }
.matrix-icon.c2 { background: linear-gradient(135deg, #0a7a8a, #1a9aab); }
.matrix-icon.c3 { background: linear-gradient(135deg, #1a5f7a, #2a8f9f); }
.matrix-icon.c4 { background: linear-gradient(135deg, #2d4a6f, #0d8a9a); }
.matrix-icon.c5 { background: linear-gradient(135deg, #0b3d4d, #0a7a8a); }
.matrix-icon.c6 { background: linear-gradient(135deg, #1e3a5f, #3a6a8a); }

.matrix-source {
  margin-top: 1.5rem;
  text-align: center;
  font-size: 0.82rem;
  color: var(--ink-muted);
}

.matrix-source a {
  color: var(--accent-deep);
  font-weight: 600;
}

.matrix-admin {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin: 1.5rem 0 1rem;
  padding: 1.15rem 1.35rem;
  background: linear-gradient(105deg, var(--steel), var(--accent-deep));
  color: #fff;
  border-radius: var(--radius-lg);
  text-decoration: none;
  transition: transform 0.2s var(--ease), box-shadow 0.2s;
  box-shadow: var(--shadow);
}

.matrix-admin:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 40px rgba(11, 26, 43, 0.2);
}

.matrix-admin-tag {
  flex-shrink: 0;
  padding: 0.35rem 0.65rem;
  background: rgba(255, 255, 255, 0.15);
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
}

.matrix-admin-main {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.matrix-admin-main strong {
  font-family: var(--font-display);
  font-size: 1.1rem;
}

.matrix-admin-main span {
  font-size: 0.82rem;
  opacity: 0.8;
}

.matrix-admin-go {
  flex-shrink: 0;
  font-size: 0.9rem;
  font-weight: 600;
  white-space: nowrap;
}

.matrix-card-featured {
  border-color: var(--accent);
  background: linear-gradient(160deg, var(--accent-soft), var(--bg-elevated) 55%);
}

@media (max-width: 560px) {
  .matrix-admin {
    flex-wrap: wrap;
  }

  .matrix-admin-go {
    width: 100%;
    text-align: right;
  }
}

/* —— Footer —— */
.site-footer {
  margin-top: 2rem;
  background: var(--ink);
  color: rgba(255, 255, 255, 0.75);
  padding: 3rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 2rem;
  margin-bottom: 2.5rem;
}

.footer-brand .brand-name {
  color: #fff;
  margin-bottom: 0.5rem;
}

.footer-brand p {
  font-size: 0.88rem;
  max-width: 28em;
}

.footer-col h4 {
  color: #fff;
  font-family: var(--font-display);
  font-size: 0.9rem;
  margin-bottom: 0.85rem;
}

.footer-col a {
  display: block;
  font-size: 0.88rem;
  padding: 0.25rem 0;
  opacity: 0.8;
  transition: opacity 0.2s, color 0.2s;
}

.footer-col a:hover {
  opacity: 1;
  color: var(--accent-mid);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 1.25rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.75rem;
  font-size: 0.78rem;
  font-family: var(--font-mono);
  opacity: 0.55;
}

.founder-teaser {
  margin-top: 1rem;
  padding: 1rem;
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius);
  font-size: 0.85rem;
  font-style: italic;
  border-left: 3px solid var(--accent);
}

.founder-teaser a {
  display: inline-block;
  margin-top: 0.5rem;
  font-style: normal;
  color: var(--accent-mid);
  font-weight: 600;
}

/* —— Reveal —— */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

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

/* —— Responsive —— */
@media (max-width: 1100px) {
  .matrix-grid.cols-6 {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 900px) {
  .menu-toggle {
    display: flex;
  }

  .nav {
    position: fixed;
    top: var(--nav-h);
    left: 0;
    right: 0;
    background: rgba(240, 244, 248, 0.98);
    backdrop-filter: blur(12px);
    flex-direction: column;
    align-items: stretch;
    padding: 1rem;
    gap: 0.25rem;
    border-bottom: 1px solid var(--line);
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.3s var(--ease), opacity 0.3s;
    max-height: calc(100vh - var(--nav-h));
    overflow-y: auto;
  }

  .nav.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav a {
    padding: 0.85rem 1rem;
    font-size: 0.9rem;
  }

  .nav-cta {
    margin-left: 0 !important;
    text-align: center;
    margin-top: 0.5rem !important;
  }

  .module-grid {
    grid-template-columns: 1fr;
  }

  .principles {
    grid-template-columns: 1fr 1fr;
  }

  .role-panel,
  .track-grid,
  .phase-cols,
  .mindset-grid,
  .layout-with-rail,
  .footer-grid,
  .confirm-fields,
  .kb-item,
  .skill-toc,
  .handoff-steps,
  .skill-detail-grid,
  .skill-detail-grid.cols-3,
  .matrix-grid.cols-6,
  .matrix-grid.cols-4 {
    grid-template-columns: 1fr;
  }

  .skill-principle {
    grid-template-columns: 1fr;
  }

  .kb-item {
    gap: 0.35rem;
  }

  .phase-col + .phase-col {
    border-left: none;
    border-top: 1px solid var(--line);
  }

  .rail {
    position: static;
  }

  .hero {
    min-height: auto;
    padding: 1.5rem 0;
  }

  .skill-acc summary {
    grid-template-columns: auto 1fr;
  }

  .skill-acc-toggle {
    grid-column: 2;
    justify-self: start;
  }

  .maxim-wall {
    grid-template-columns: 1fr 1fr;
  }

  .maxim-wall .maxim-card:last-child {
    grid-column: 1 / -1;
  }

  .maxim-feature {
    flex-direction: column;
    align-items: flex-start;
  }

  .maxim-feature .mark {
    writing-mode: horizontal-tb;
    transform: none;
  }

  .matrix-grid.cols-6,
  .matrix-grid.cols-4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .skill-toc {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 560px) {
  .principles {
    grid-template-columns: 1fr;
  }

  .hero-actions {
    flex-direction: column;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .footer-bottom {
    flex-direction: column;
  }

  .maxim-wall,
  .maxim-wall .maxim-card:last-child,
  .matrix-grid.cols-6,
  .matrix-grid.cols-4,
  .skill-toc {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }

  .maxim-track {
    transform: none !important;
    flex-wrap: wrap;
    width: 100%;
    justify-content: center;
    animation: none !important;
  }
}