:root {
  color-scheme: light;
  --page: #f5f7fb;
  --page-2: #e9edf4;
  --ink: #111318;
  --muted: #626a78;
  --hairline: rgba(20, 27, 38, 0.14);
  --glass: rgba(255, 255, 255, 0.48);
  --glass-strong: rgba(255, 255, 255, 0.68);
  --glass-soft: rgba(255, 255, 255, 0.28);
  --blue: #0a84ff;
  --green: #30b56d;
  --coral: #ff6a4d;
  --violet: #7c5cff;
  --gold: #d9a520;
  --motion-ease: cubic-bezier(.2,.8,.2,1);
  --motion-spring: cubic-bezier(.16, 1, .3, 1);
  --glass-edge: rgba(255, 255, 255, 0.78);
  --depth-line: rgba(10, 132, 255, 0.18);
  --shadow: 0 26px 60px rgba(39, 49, 64, 0.13);
  --mini-shadow: 0 12px 30px rgba(39, 49, 64, 0.09);
  --radius: 20px;
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --page: #07090d;
  --page-2: #141820;
  --ink: #f8fafc;
  --muted: #a7afbd;
  --hairline: rgba(255, 255, 255, 0.16);
  --glass: rgba(24, 29, 38, 0.48);
  --glass-strong: rgba(29, 35, 46, 0.72);
  --glass-soft: rgba(255, 255, 255, 0.08);
  --blue: #64b5ff;
  --green: #63d48d;
  --coral: #ff8c75;
  --violet: #a798ff;
  --gold: #f2c75c;
  --glass-edge: rgba(255, 255, 255, 0.18);
  --depth-line: rgba(100, 181, 255, 0.18);
  --shadow: 0 28px 70px rgba(0, 0, 0, 0.38);
  --mini-shadow: 0 14px 36px rgba(0, 0, 0, 0.24);
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  scroll-behavior: smooth;
}

body {
  --route-x: 0px;
  --route-slide: 42px;
  --space-index: var(--initial-space-index, 0);
  --space-scale: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(90deg, color-mix(in srgb, var(--ink) 4%, transparent) 1px, transparent 1px),
    linear-gradient(color-mix(in srgb, var(--ink) 3%, transparent) 1px, transparent 1px),
    linear-gradient(135deg, var(--page), var(--page-2));
  background-size: 88px 88px, 88px 88px, auto;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", "Microsoft YaHei", sans-serif;
  letter-spacing: 0;
  overflow-x: hidden;
  opacity: 1;
  transition: background 220ms ease, color 220ms ease;
}

body::before,
body::after {
  content: "";
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  width: 400vw;
  z-index: -2;
  pointer-events: none;
  will-change: transform;
  transition: transform 980ms cubic-bezier(.18,.86,.24,1), opacity 360ms var(--motion-ease);
}

body::before {
  opacity: 0.92;
  background:
    linear-gradient(90deg, transparent 0 calc(25% - 1px), color-mix(in srgb, var(--ink) 13%, transparent) calc(25% - 1px) 25%, transparent 25% calc(50% - 1px), color-mix(in srgb, var(--ink) 13%, transparent) calc(50% - 1px) 50%, transparent 50% calc(75% - 1px), color-mix(in srgb, var(--ink) 13%, transparent) calc(75% - 1px) 75%, transparent 75% 100%),
    linear-gradient(118deg, transparent 0 9%, color-mix(in srgb, var(--blue) 18%, transparent) 9.05% 9.25%, transparent 9.35% 25%,
      color-mix(in srgb, var(--green) 14%, transparent) 34.05% 34.25%, transparent 34.35% 50%,
      color-mix(in srgb, var(--violet) 13%, transparent) 59.05% 59.25%, transparent 59.35% 75%,
      color-mix(in srgb, var(--coral) 14%, transparent) 84.05% 84.25%, transparent 84.35% 100%),
    linear-gradient(0deg, transparent 0 55%, color-mix(in srgb, var(--ink) 5%, transparent) 55.1% 55.4%, transparent 55.5% 100%),
    linear-gradient(90deg,
      color-mix(in srgb, var(--blue) 5%, var(--page)) 0 25%,
      color-mix(in srgb, var(--green) 4%, var(--page)) 25% 50%,
      color-mix(in srgb, var(--violet) 5%, var(--page)) 50% 75%,
      color-mix(in srgb, var(--coral) 4%, var(--page)) 75% 100%);
  transform: translate3d(calc(var(--space-index) * -100vw), 0, 0) scale(var(--space-scale));
}

body::after {
  opacity: 0.52;
  background:
    repeating-linear-gradient(90deg, transparent 0 71px, color-mix(in srgb, var(--ink) 5%, transparent) 72px 73px, transparent 74px 142px),
    repeating-linear-gradient(0deg, transparent 0 71px, color-mix(in srgb, var(--ink) 4%, transparent) 72px 73px, transparent 74px 142px),
    linear-gradient(90deg,
      transparent 0 6%, color-mix(in srgb, var(--blue) 18%, transparent) 6.05% 6.12%, transparent 6.18% 25%,
      transparent 25% 31%, color-mix(in srgb, var(--green) 16%, transparent) 31.05% 31.12%, transparent 31.18% 50%,
      transparent 50% 56%, color-mix(in srgb, var(--violet) 14%, transparent) 56.05% 56.12%, transparent 56.18% 75%,
      transparent 75% 81%, color-mix(in srgb, var(--coral) 16%, transparent) 81.05% 81.12%, transparent 81.18% 100%);
  mask-image: linear-gradient(to bottom, black 0 78%, transparent 100%);
  transform: translate3d(calc(var(--space-index) * -100vw), 0, 0);
}

:root[data-theme="dark"] body::before {
  background:
    linear-gradient(90deg, transparent 0 calc(25% - 1px), rgba(255, 255, 255, 0.12) calc(25% - 1px) 25%, transparent 25% calc(50% - 1px), rgba(255, 255, 255, 0.12) calc(50% - 1px) 50%, transparent 50% calc(75% - 1px), rgba(255, 255, 255, 0.12) calc(75% - 1px) 75%, transparent 75% 100%),
    linear-gradient(118deg, transparent 0 9%, rgba(100, 181, 255, 0.14) 9.05% 9.25%, transparent 9.35% 25%,
      rgba(99, 212, 141, 0.12) 34.05% 34.25%, transparent 34.35% 50%,
      rgba(167, 152, 255, 0.12) 59.05% 59.25%, transparent 59.35% 75%,
      rgba(255, 140, 117, 0.12) 84.05% 84.25%, transparent 84.35% 100%),
    linear-gradient(0deg, transparent 0 55%, rgba(255, 255, 255, 0.06) 55.1% 55.4%, transparent 55.5% 100%),
    linear-gradient(90deg,
      color-mix(in srgb, var(--blue) 9%, var(--page)) 0 25%,
      color-mix(in srgb, var(--green) 7%, var(--page)) 25% 50%,
      color-mix(in srgb, var(--violet) 8%, var(--page)) 50% 75%,
      color-mix(in srgb, var(--coral) 7%, var(--page)) 75% 100%);
}

:root[data-theme="dark"] body::after {
  background:
    repeating-linear-gradient(90deg, transparent 0 71px, rgba(255, 255, 255, 0.055) 72px 73px, transparent 74px 142px),
    repeating-linear-gradient(0deg, transparent 0 71px, rgba(255, 255, 255, 0.04) 72px 73px, transparent 74px 142px),
    linear-gradient(90deg,
      transparent 0 6%, rgba(100, 181, 255, 0.16) 6.05% 6.12%, transparent 6.18% 25%,
      transparent 25% 31%, rgba(99, 212, 141, 0.14) 31.05% 31.12%, transparent 31.18% 50%,
      transparent 50% 56%, rgba(167, 152, 255, 0.14) 56.05% 56.12%, transparent 56.18% 75%,
      transparent 75% 81%, rgba(255, 140, 117, 0.14) 81.05% 81.12%, transparent 81.18% 100%);
}

body.is-ready {
  opacity: 1;
}

body::selection {
  background: color-mix(in srgb, var(--blue) 24%, transparent);
}

body.is-route-entering.route-forward {
  --route-x: var(--route-slide);
}

body.is-route-entering.route-back {
  --route-x: calc(var(--route-slide) * -1);
}

body.is-route-leaving.route-forward {
  --route-x: calc(var(--route-slide) * -1);
  --space-scale: 1.018;
}

body.is-route-leaving.route-back {
  --route-x: var(--route-slide);
  --space-scale: 1.012;
}

body.is-route-leaving:not(.route-back) {
  --route-x: calc(var(--route-slide) * -1);
}

body.modal-open {
  overflow: hidden;
}

body,
button,
input,
textarea {
  font: 16px/1.6 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", "Microsoft YaHei", sans-serif;
}

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

button {
  border: 0;
  cursor: pointer;
}

:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--blue) 62%, transparent);
  outline-offset: 4px;
}

.cursor-dot,
.cursor-ring,
.cursor-glow {
  position: fixed;
  top: 0;
  left: 0;
  pointer-events: none;
  opacity: 0;
}

.cursor-glow {
  z-index: 0;
  width: 440px;
  height: 440px;
  border-radius: 50%;
  background:
    radial-gradient(circle, color-mix(in srgb, var(--blue) 22%, transparent) 0 10%, color-mix(in srgb, var(--blue) 12%, transparent) 24%, transparent 68%);
  filter: blur(4px);
  transition: opacity 220ms ease;
}

.cursor-dot,
.cursor-ring {
  z-index: 100;
}

.cursor-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--blue);
  box-shadow: 0 0 14px color-mix(in srgb, var(--blue) 48%, transparent);
}

.cursor-ring {
  width: 34px;
  height: 34px;
  border: 1.5px solid color-mix(in srgb, var(--blue) 64%, transparent);
  border-radius: 50%;
  background: color-mix(in srgb, var(--blue) 10%, transparent);
  box-shadow:
    0 0 0 5px color-mix(in srgb, var(--blue) 8%, transparent),
    0 0 24px color-mix(in srgb, var(--blue) 24%, transparent);
  transition: width 160ms ease, height 160ms ease, border-color 160ms ease, box-shadow 160ms ease;
}

.cursor-ring.is-pressed {
  width: 48px;
  height: 48px;
  border-color: var(--blue);
  box-shadow:
    0 0 0 8px color-mix(in srgb, var(--blue) 12%, transparent),
    0 0 30px color-mix(in srgb, var(--blue) 34%, transparent);
}

:root[data-theme="dark"] .cursor-dot {
  background: var(--ink);
  box-shadow: 0 0 12px color-mix(in srgb, var(--blue) 32%, transparent);
}

:root[data-theme="dark"] .cursor-ring {
  border-color: color-mix(in srgb, var(--ink) 42%, transparent);
  background: color-mix(in srgb, var(--blue) 7%, transparent);
}

@media (pointer: fine) {
  .cursor-dot,
  .cursor-ring,
  .cursor-glow {
    opacity: 1;
  }
}

main,
.footer {
  position: relative;
  z-index: 1;
}

main {
  flex: 1 0 auto;
  width: 100%;
  transform: translate3d(var(--route-x), 0, 0);
  transition: transform 820ms cubic-bezier(.18,.86,.24,1), opacity 620ms var(--motion-ease), filter 620ms var(--motion-ease);
}

.space-viewport {
  width: 100%;
  overflow: hidden;
  transform: none;
}

.space-shell {
  width: 400vw;
  min-height: calc(100vh - 76px);
  display: flex;
  align-items: stretch;
  transform: translate3d(calc(var(--space-index) * -100vw), 0, 0);
  transition: transform 980ms cubic-bezier(.18,.86,.24,1);
  will-change: transform;
}

.space-panel {
  width: 100vw;
  flex: 0 0 100vw;
  min-height: calc(100vh - 76px);
  display: flex;
  flex-direction: column;
}

.space-panel-inner {
  width: 100%;
}

.home-panel-inner {
  flex: 1;
}

body[data-spa="true"] main {
  transform: none;
}

body[data-spa="true"].is-route-leaving main,
body[data-spa="true"].is-route-entering main,
body[data-spa="true"].is-route-leaving .footer {
  opacity: 1;
  filter: none;
}

body.is-route-entering main {
  opacity: 0;
  filter: blur(10px);
}

body.is-route-entered main {
  --route-x: 0px;
  opacity: 1;
  filter: blur(0);
}

body.is-route-leaving main,
body.is-route-leaving .footer {
  opacity: 0.88;
  filter: blur(0);
}

.route-curtain {
  position: fixed;
  left: 0;
  right: 0;
  bottom: clamp(18px, 4vw, 44px);
  z-index: 82;
  width: min(680px, calc(100% - 32px));
  min-height: 70px;
  margin: 0 auto;
  padding: 12px 14px;
  pointer-events: none;
  border: 1px solid var(--hairline);
  border-radius: 999px;
  background: color-mix(in srgb, var(--glass-strong) 76%, transparent);
  box-shadow: var(--mini-shadow), inset 0 1px 0 color-mix(in srgb, var(--glass-edge) 70%, transparent);
  backdrop-filter: blur(22px) saturate(1.35);
  -webkit-backdrop-filter: blur(22px) saturate(1.35);
  opacity: 0;
  transform: translate3d(0, 18px, 0) scale(0.96);
}

.route-curtain::before {
  content: "";
  position: absolute;
  left: 44px;
  right: 44px;
  top: 30px;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--blue), var(--green), var(--violet), var(--coral));
  opacity: 0.38;
}

.route-node {
  position: relative;
  z-index: 1;
  width: 25%;
  display: grid;
  justify-items: center;
  gap: 5px;
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0;
}

.route-node::before {
  content: "";
  width: 12px;
  height: 12px;
  border: 2px solid color-mix(in srgb, var(--ink) 18%, transparent);
  border-radius: 50%;
  background: var(--glass-strong);
  box-shadow: 0 0 0 7px color-mix(in srgb, var(--glass-soft) 82%, transparent);
}

.route-node.is-from,
.route-node.is-to {
  color: var(--ink);
}

.route-node.is-to::before {
  border-color: var(--blue);
  background: color-mix(in srgb, var(--blue) 22%, white);
  box-shadow:
    0 0 0 8px color-mix(in srgb, var(--blue) 14%, transparent),
    0 0 24px color-mix(in srgb, var(--blue) 36%, transparent);
}

.route-curtain-inner {
  position: relative;
  display: flex;
  align-items: start;
  justify-content: space-between;
}

.route-progress {
  position: absolute;
  z-index: 0;
  left: var(--route-left, 12.5%);
  top: 29px;
  width: var(--route-width, 25%);
  height: 4px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--blue), var(--green), var(--violet), var(--coral));
  box-shadow: 0 0 24px color-mix(in srgb, var(--blue) 30%, transparent);
  transform-origin: left;
  animation: route-progress 760ms cubic-bezier(.18,.86,.24,1) forwards;
}

body.is-route-leaving .route-curtain {
  animation: route-track-in 760ms cubic-bezier(.18,.86,.24,1) forwards;
}

body.is-route-leaving.route-back .route-curtain {
  animation-name: route-track-in;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 20px;
  min-height: 76px;
  padding: 14px clamp(18px, 4vw, 52px);
  border-bottom: 1px solid var(--hairline);
  background: color-mix(in srgb, var(--glass-strong) 72%, transparent);
  backdrop-filter: blur(22px) saturate(1.16);
  -webkit-backdrop-filter: blur(22px) saturate(1.16);
  transition: box-shadow 220ms ease, border-color 220ms ease;
}

.site-header::after {
  content: "";
  position: absolute;
  left: clamp(18px, 4vw, 52px);
  right: clamp(18px, 4vw, 52px);
  bottom: -1px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--blue), var(--green), transparent);
  opacity: 0.52;
  transform: scaleX(0.42);
  transform-origin: left;
  animation: rail-scan 7s var(--motion-ease) infinite;
}

.site-header.is-scrolled {
  box-shadow: 0 20px 48px rgba(0, 0, 0, 0.08);
}

.brand,
.nav,
.site-actions,
.portal-button,
.footer {
  display: flex;
  align-items: center;
}

.brand {
  gap: 10px;
  font-weight: 760;
}

.brand-mark {
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  border: 1px solid var(--hairline);
  border-radius: 8px;
  background: linear-gradient(145deg, var(--glass-strong), var(--glass-soft));
  box-shadow: inset 0 1px 1px rgba(255, 255, 255, 0.8);
  color: var(--blue);
  font-weight: 900;
}

.nav {
  justify-content: center;
  gap: 8px;
}

.nav a,
.glass-control,
.modal-action,
.inline-link {
  position: relative;
  border: 1px solid transparent;
  border-radius: 14px;
  color: var(--muted);
  font-size: 0.94rem;
  font-weight: 650;
  transition: color 180ms ease, background 180ms ease, border-color 180ms ease, transform 180ms ease;
}

.nav a {
  padding: 8px 13px;
}

.nav a:hover,
.nav a[aria-current="page"] {
  color: var(--ink);
  background: color-mix(in srgb, var(--glass-soft) 68%, transparent);
  border-color: var(--hairline);
}

.site-actions {
  justify-content: flex-end;
  gap: 8px;
}

.glass-control {
  min-width: 44px;
  height: 40px;
  display: grid;
  place-items: center;
  padding: 0 12px;
  background: var(--glass);
  border-color: var(--hairline);
  border-radius: 16px;
  color: var(--ink);
  backdrop-filter: blur(18px);
}

.theme-icon {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--ink);
  box-shadow: inset -6px -4px 0 var(--glass-strong);
}

:root[data-theme="dark"] .theme-icon {
  box-shadow: inset 6px 0 0 var(--glass-strong);
}

.interactive {
  position: relative;
  overflow: hidden;
  transform: translateZ(0);
}

.interactive::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0;
  background:
    linear-gradient(115deg, transparent 0 22%, color-mix(in srgb, var(--glass-edge) 58%, transparent) 46%, transparent 70%),
    radial-gradient(circle at var(--px, 50%) var(--py, 50%), color-mix(in srgb, var(--blue) 12%, transparent), transparent 32%);
  transition: opacity 180ms ease;
}

.interactive:hover::before {
  opacity: 1;
}

.interactive:active {
  transform: translateY(1px) scale(0.988);
}

.click-ripple {
  position: absolute;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  pointer-events: none;
  background: color-mix(in srgb, var(--blue) 38%, transparent);
  transform: translate(-50%, -50%) scale(0);
  animation: ripple 520ms ease-out forwards;
}

@keyframes ripple {
  to {
    opacity: 0;
    transform: translate(-50%, -50%) scale(22);
  }
}

.glass-panel,
.intro-glass,
.preview-card,
.archive-item,
.note-card,
.contact-card,
.article,
.not-found {
  border: 1px solid var(--hairline);
  background: linear-gradient(145deg, color-mix(in srgb, var(--glass-strong) 82%, transparent), color-mix(in srgb, var(--glass) 92%, transparent));
  box-shadow: var(--shadow);
  backdrop-filter: blur(24px) saturate(1.18);
  -webkit-backdrop-filter: blur(24px) saturate(1.18);
}

.intro-glass,
.preview-card,
.archive-item,
.note-card,
.contact-card,
.article,
.quick-panel,
.empty-state,
.not-found {
  position: relative;
  overflow: hidden;
}

.intro-glass::after,
.preview-card::after,
.archive-item::after,
.note-card::after,
.contact-card::after,
.article::after,
.quick-panel::after,
.empty-state::after,
.not-found::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  border-radius: inherit;
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--glass-edge) 44%, transparent), transparent 24% 76%, color-mix(in srgb, var(--ink) 5%, transparent)),
    linear-gradient(90deg, transparent, color-mix(in srgb, var(--blue) 5%, transparent), transparent);
  opacity: 0.42;
}

.reveal-on-scroll {
  opacity: 0;
  filter: blur(8px);
  transform: translate3d(0, 24px, 0) scale(0.985);
  transition:
    opacity 620ms var(--motion-spring) var(--reveal-delay, 0ms),
    filter 620ms var(--motion-spring) var(--reveal-delay, 0ms),
    transform 620ms var(--motion-spring) var(--reveal-delay, 0ms),
    border-color 180ms ease,
    background 180ms ease,
    box-shadow 180ms ease;
}

.reveal-on-scroll.is-visible {
  opacity: 1;
  filter: blur(0);
  transform: translate3d(0, 0, 0) scale(1);
}

.hero-stage {
  position: relative;
  width: min(1180px, calc(100% - 32px));
  min-height: min(720px, calc(100vh - 76px));
  display: grid;
  grid-template-columns: minmax(0, 1fr) 330px;
  align-items: center;
  gap: 24px;
  margin: 0 auto;
  padding: clamp(30px, 6vw, 78px) 0 clamp(14px, 4vw, 42px);
}

.geo-scene {
  position: absolute;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  pointer-events: none;
}

.geo-ring {
  position: absolute;
  border: 1px solid color-mix(in srgb, var(--ink) 12%, transparent);
  border-radius: 28px;
  opacity: 0.38;
  animation: none;
}

.ring-one {
  width: min(44vw, 520px);
  height: min(24vw, 280px);
  right: 6%;
  top: 14%;
  box-shadow:
    0 0 0 28px transparent,
    0 0 0 29px color-mix(in srgb, var(--ink) 6%, transparent),
    0 0 0 70px transparent,
    0 0 0 71px color-mix(in srgb, var(--ink) 5%, transparent);
}

.ring-two {
  width: 280px;
  height: 140px;
  left: -120px;
  bottom: 8%;
}

.geo-panel,
.geo-axis {
  position: absolute;
  border: 1px solid color-mix(in srgb, var(--ink) 12%, transparent);
}

.geo-panel {
  border-radius: 14px;
  background: color-mix(in srgb, var(--glass-soft) 80%, transparent);
  backdrop-filter: blur(18px);
}

.panel-one {
  width: 210px;
  height: 132px;
  right: 18%;
  top: 29%;
  animation: none;
}

.panel-two {
  width: 260px;
  height: 152px;
  right: 9%;
  top: 46%;
  animation: none;
}

.axis-one,
.axis-two {
  background: color-mix(in srgb, var(--blue) 42%, transparent);
}

.axis-one {
  width: 1px;
  height: 66%;
  right: 31%;
  top: 12%;
}

.axis-two {
  width: 52%;
  height: 1px;
  right: 5%;
  top: 46%;
}

@keyframes drift {
  0%,
  100% {
    transform: translate3d(0, 0, 0);
  }
  50% {
    transform: translate3d(10px, -12px, 0);
  }
}

.intro-glass {
  max-width: 770px;
  padding: clamp(28px, 5vw, 58px);
  border-radius: var(--radius);
  container-type: inline-size;
  transform-style: preserve-3d;
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.kicker {
  margin: 0 0 16px;
  color: var(--blue);
  font-size: 0.84rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

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

.intro-glass h1 {
  margin: 0 0 8px;
  max-width: 100%;
  font-size: clamp(2.2rem, 4vw, 3.55rem);
  font-size: clamp(2.2rem, 7.4cqw, 3.55rem);
  line-height: 1.06;
  letter-spacing: 0;
  white-space: normal;
  text-wrap: balance;
  overflow-wrap: break-word;
  hyphens: auto;
}

.school-name {
  margin: 0;
  color: color-mix(in srgb, var(--ink) 76%, var(--muted));
  font-size: clamp(1.16rem, 1.85vw, 1.62rem);
  font-weight: 500;
  line-height: 1.35;
}

.identity-rule {
  width: 34px;
  height: 2px;
  display: block;
  margin: 10px 0 16px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--blue) 0 52%, var(--coral) 52% 100%);
}

.study-line {
  margin: 0 0 24px;
  color: var(--muted);
  font-size: 0.96rem;
  font-weight: 560;
  line-height: 1.35;
}

.intro-copy,
.subpage-hero p,
.archive-item p,
.note-card p,
.preview-card p,
.article-header p {
  color: var(--muted);
}

.intro-copy {
  max-width: 560px;
  margin-bottom: 28px;
  font-size: 1.08rem;
  line-height: 1.82;
}

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

.portal-button {
  min-height: 100px;
  justify-content: space-between;
  gap: 14px;
  padding: 18px;
  border: 1px solid var(--hairline);
  border-radius: 18px;
  background: var(--glass-soft);
  box-shadow: inset 0 1px 0 color-mix(in srgb, var(--glass-edge) 68%, transparent);
  transition: border-color 180ms ease, transform 180ms ease, background 180ms ease, box-shadow 180ms ease;
}

.portal-button > span:not(.portal-icon),
.contact-card > span:not(.contact-symbol) {
  min-width: 0;
}

.portal-button:hover {
  border-color: color-mix(in srgb, var(--blue) 50%, var(--hairline));
  background: var(--glass);
  transform: translateY(-4px);
  box-shadow:
    inset 0 1px 0 color-mix(in srgb, var(--glass-edge) 82%, transparent),
    0 16px 36px color-mix(in srgb, var(--blue) 14%, transparent);
}

.portal-button strong,
.contact-card strong {
  display: block;
  font-weight: 800;
  overflow-wrap: anywhere;
}

.portal-button small,
.contact-card small {
  display: block;
  color: var(--muted);
  font-size: 0.86rem;
  overflow-wrap: anywhere;
}

.portal-button svg,
.modal-close svg {
  width: 22px;
  height: 22px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  flex: 0 0 auto;
}

.portal-icon,
.contact-symbol {
  position: relative;
  width: 42px;
  height: 42px;
  display: grid;
  flex: 0 0 auto;
  place-items: center;
  border: 1px solid var(--hairline);
  border-radius: 13px;
  background: var(--glass-strong);
  box-shadow: inset 0 1px 0 color-mix(in srgb, var(--glass-edge) 76%, transparent);
  transition: transform 220ms var(--motion-spring), border-color 180ms ease, background 180ms ease;
}

.portal-button:hover .portal-icon,
.contact-card:hover .contact-symbol {
  transform: translateY(-2px) rotate(-3deg) scale(1.04);
  border-color: color-mix(in srgb, var(--blue) 38%, var(--hairline));
}

.document-icon::before,
.notes-icon::before,
.contact-icon::before,
.mail-symbol::before,
.phone-symbol::before {
  content: "";
  width: 18px;
  height: 18px;
  border: 2px solid currentColor;
}

.document-icon,
.mail-symbol {
  color: var(--blue);
}

.document-icon::before {
  border-radius: 3px;
  box-shadow: inset 0 5px 0 transparent, inset 0 -5px 0 transparent;
}

.notes-icon {
  color: var(--green);
}

.notes-icon::before {
  border-radius: 50% 50% 45% 45%;
  border-top-color: transparent;
}

.contact-icon,
.phone-symbol {
  color: var(--coral);
}

.contact-icon::before {
  border-radius: 50%;
  border-bottom-color: transparent;
}

.mail-symbol::before {
  width: 20px;
  height: 14px;
  border-radius: 3px;
  clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
}

.phone-symbol::before {
  width: 13px;
  height: 20px;
  border-radius: 5px;
}

.discord-symbol {
  color: var(--green);
  font-weight: 900;
}

.bilibili-symbol {
  color: var(--coral);
  font-weight: 900;
}

.quick-panel {
  display: grid;
  gap: 10px;
  padding: 18px;
  border-radius: 22px;
}

.quick-row {
  min-width: 0;
  padding: 15px;
  border: 1px solid var(--hairline);
  border-radius: 16px;
  background: var(--glass-soft);
  box-shadow: inset 0 1px 0 color-mix(in srgb, var(--glass-edge) 58%, transparent);
}

.quick-row span {
  display: block;
  color: var(--muted);
  font-size: 0.86rem;
}

.quick-row strong {
  display: block;
  margin-top: 4px;
  overflow-wrap: anywhere;
}

.preview-strip {
  width: min(1180px, calc(100% - 32px));
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin: -14px auto 86px;
}

.preview-card {
  min-height: 132px;
  padding: 18px 20px;
  border-radius: 20px;
  box-shadow: var(--mini-shadow);
  transition: transform 220ms var(--motion-spring), border-color 180ms ease, box-shadow 180ms ease;
}

.preview-card::before {
  content: "";
  position: absolute;
  left: 20px;
  right: 20px;
  top: 0;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--blue), var(--green), var(--coral));
  opacity: 0.46;
}

.preview-card:hover,
.archive-item:hover,
.note-card:hover,
.contact-card:hover {
  transform: translateY(-5px);
  border-color: color-mix(in srgb, var(--blue) 44%, var(--hairline));
  box-shadow:
    var(--shadow),
    0 0 0 1px color-mix(in srgb, var(--glass-edge) 42%, transparent),
    0 18px 54px color-mix(in srgb, var(--blue) 12%, transparent);
}

.status-dot {
  width: 8px;
  height: 8px;
  display: inline-block;
  border-radius: 50%;
  margin-bottom: 14px;
  box-shadow: 0 0 0 6px color-mix(in srgb, currentColor 12%, transparent);
}

.blue {
  background: var(--blue);
}

.green {
  background: var(--green);
}

.coral {
  background: var(--coral);
}

.preview-card h2,
.archive-item h2,
.note-card h2 {
  margin-bottom: 10px;
  font-size: clamp(1.35rem, 2.3vw, 2rem);
  line-height: 1.12;
  overflow-wrap: anywhere;
}

.preview-card p,
.archive-item p,
.note-card p {
  margin-bottom: 0;
  line-height: 1.72;
  overflow-wrap: anywhere;
}

.subpage-shell,
.article-main {
  width: min(1080px, calc(100% - 32px));
  margin: 0 auto;
  padding: 60px 0 92px;
}

.subpage-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(30px, 5vw, 56px);
  border-radius: var(--radius);
  box-shadow:
    var(--shadow),
    inset 0 1px 0 color-mix(in srgb, var(--glass-edge) 62%, transparent);
}

.subpage-hero::after {
  content: "";
  position: absolute;
  right: -24px;
  top: -60px;
  width: 280px;
  height: 280px;
  border: 1px solid color-mix(in srgb, var(--ink) 10%, transparent);
  border-radius: 50%;
  box-shadow:
    0 0 0 42px transparent,
    0 0 0 43px color-mix(in srgb, var(--ink) 7%, transparent),
    0 0 0 86px transparent,
    0 0 0 87px color-mix(in srgb, var(--ink) 6%, transparent);
  animation: scene-breathe 15s ease-in-out infinite alternate;
}

.subpage-hero h1,
.article-header h1 {
  max-width: 840px;
  margin: 0 0 18px;
  font-size: clamp(2.8rem, 6.4vw, 5.6rem);
  line-height: 0.98;
}

.subpage-hero p,
.article-header p {
  max-width: 690px;
  font-size: 1.08rem;
  line-height: 1.78;
}

.archive-shell {
  display: grid;
  grid-template-columns: 236px minmax(0, 1fr);
  gap: 20px;
  margin-top: 20px;
}

.topic-panel {
  position: sticky;
  top: 98px;
  display: grid;
  gap: 9px;
  align-self: start;
  padding: 18px;
  border-radius: 22px;
  box-shadow: var(--mini-shadow);
}

.topic-panel::before {
  content: "";
  width: 34px;
  height: 2px;
  display: block;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--blue), var(--green), var(--coral));
}

.topic-panel h2 {
  margin: 0 0 4px;
  font-size: 1rem;
}

.topic-panel a,
.topic-panel button {
  width: 100%;
  text-align: left;
  background: transparent;
  color: var(--muted);
  padding: 8px 10px;
  border-radius: 999px;
  font: inherit;
}

.topic-panel a:hover,
.topic-panel button:hover,
.topic-panel button.is-copied {
  color: var(--ink);
  background: var(--glass-soft);
  box-shadow: inset 0 1px 0 color-mix(in srgb, var(--glass-edge) 56%, transparent);
}

.archive-list,
.notes-grid,
.contact-grid {
  display: grid;
  gap: 18px;
}

.empty-state {
  min-height: 260px;
  display: grid;
  align-content: center;
  gap: 14px;
  padding: clamp(26px, 5vw, 46px);
  border-radius: 22px;
}

.empty-state h2 {
  margin: 0;
  font-size: clamp(1.55rem, 3vw, 2.45rem);
  line-height: 1.12;
}

.empty-state p {
  max-width: 640px;
  margin: 0;
  color: var(--muted);
  font-size: 1.02rem;
  line-height: 1.78;
  overflow-wrap: anywhere;
}

.notes-grid .empty-state {
  grid-column: 1 / -1;
}

.archive-list .empty-state {
  min-height: auto;
  align-content: start;
  gap: 12px;
  padding: 24px;
}

.archive-item,
.note-card,
.contact-card {
  border-radius: 22px;
  transition: transform 220ms var(--motion-spring), border-color 180ms ease, box-shadow 180ms ease;
}

.archive-item a {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px 18px;
  padding: 24px;
}

.archive-item .tag {
  grid-column: 1;
  grid-row: 1;
}

.archive-item time {
  grid-column: 2;
  grid-row: 1;
  align-self: center;
  justify-self: end;
  white-space: nowrap;
}

.archive-item h2,
.archive-item p {
  grid-column: 1 / -1;
}

.tag {
  width: fit-content;
  display: inline-flex;
  align-items: center;
  min-height: 27px;
  padding: 0 10px;
  border-radius: 999px;
  color: #fff;
  font-size: 0.76rem;
  font-weight: 850;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.42),
    0 8px 18px color-mix(in srgb, currentColor 22%, transparent);
}

time {
  color: var(--muted);
  font-size: 0.9rem;
}

.notes-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 18px;
}

.note-card {
  padding: 24px;
}

.note-number {
  color: var(--blue);
  font-size: 0.9rem;
  font-weight: 900;
}

.inline-link {
  width: fit-content;
  display: inline-flex;
  margin-top: 22px;
  padding: 8px 12px;
  background: var(--glass-soft);
  border-color: var(--hairline);
  color: var(--ink);
}

.contact-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 18px;
}

.contact-card {
  min-height: 118px;
  display: flex;
  align-items: center;
  gap: 16px;
  width: 100%;
  padding: 22px;
  text-align: left;
}

a.contact-card {
  color: inherit;
}

.modal {
  position: fixed;
  inset: 0;
  z-index: 80;
  display: grid;
  place-items: center;
  padding: 20px;
  pointer-events: none;
  opacity: 0;
  transition: opacity 220ms ease;
}

.modal[hidden] {
  display: none;
}

.modal.is-open {
  pointer-events: auto;
  opacity: 1;
}

.modal-scrim {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.24);
  backdrop-filter: blur(16px);
}

.modal-panel {
  position: relative;
  width: min(520px, 100%);
  padding: 34px;
  border-radius: 28px;
  text-align: center;
  transform: translateY(14px) scale(0.97);
  box-shadow:
    var(--shadow),
    inset 0 1px 0 color-mix(in srgb, var(--glass-edge) 68%, transparent);
  transition: transform 240ms var(--motion-spring);
}

.modal.is-open .modal-panel {
  transform: translateY(0) scale(1);
}

.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  border: 1px solid var(--hairline);
  background: var(--glass-soft);
  color: var(--ink);
}

.modal-symbol {
  width: 62px;
  height: 62px;
  display: grid;
  place-items: center;
  margin: 6px auto 18px;
  border: 1px solid var(--hairline);
  border-radius: 19px;
  background: var(--glass-strong);
}

.modal-symbol::before {
  content: "";
  width: 28px;
  height: 20px;
  border: 2px solid var(--blue);
  border-radius: 5px;
}

.modal-symbol[data-kind="phone"]::before {
  width: 18px;
  height: 30px;
  border-color: var(--coral);
  border-radius: 7px;
}

.modal-panel h2 {
  margin: 0 0 10px;
  font-size: 1.7rem;
}

.modal-value {
  margin: 0 0 18px;
  color: var(--muted);
  font-size: 1.08rem;
  overflow-wrap: anywhere;
}

.modal-actions {
  display: flex;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
}

.modal-action {
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 15px;
  background: var(--glass-soft);
  border-color: var(--hairline);
  color: var(--ink);
}

.modal-row {
  display: grid;
  grid-template-columns: minmax(64px, 80px) minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  padding: 12px;
  border: 1px solid var(--hairline);
  border-radius: 16px;
  background: var(--glass-soft);
  text-align: left;
}

.modal-row + .modal-row {
  margin-top: 10px;
}

.modal-row span {
  color: var(--muted);
}

.modal-row strong {
  overflow-wrap: anywhere;
}

.article-main {
  max-width: 880px;
}

.article {
  padding: clamp(26px, 5vw, 52px);
  border-radius: var(--radius);
}

.back-link {
  display: inline-flex;
  margin-bottom: 26px;
  color: var(--muted);
  font-weight: 750;
}

.article-header {
  margin-bottom: 30px;
}

.article-body {
  max-width: 720px;
}

.article-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 18px 0 16px;
}

.repo-link {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  padding: 0 14px;
  border: 1px solid var(--hairline);
  border-radius: 999px;
  background: var(--glass-soft);
  color: var(--ink);
  font-size: 0.94rem;
  font-weight: 780;
}

.app-shot {
  margin: 28px 0 34px;
  padding: clamp(18px, 3vw, 28px);
  border: 1px solid var(--hairline);
  border-radius: 22px;
  background: color-mix(in srgb, var(--glass-strong) 76%, transparent);
  box-shadow: var(--mini-shadow);
}

.app-shot-top,
.app-shot-grid,
.fake-actions {
  display: flex;
}

.app-shot-top {
  align-items: center;
  gap: 9px;
  margin-bottom: 22px;
}

.app-shot-top small {
  margin-left: auto;
  color: var(--muted);
  font-weight: 700;
}

.app-dot {
  width: 14px;
  height: 14px;
  border-radius: 4px;
  background: linear-gradient(135deg, var(--green), var(--blue));
}

.app-shot-title h2 {
  margin: 0 0 4px;
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1;
}

.app-shot-title p,
.app-shot-grid span,
.fake-check {
  color: var(--muted);
}

.app-shot-grid {
  gap: 14px;
  margin-top: 20px;
}

.app-shot-grid section {
  min-width: 0;
  padding: 18px;
  border: 1px solid var(--hairline);
  border-radius: 14px;
  background: color-mix(in srgb, var(--glass) 56%, transparent);
}

.app-shot-grid section:first-child {
  flex: 0 0 34%;
}

.app-shot-grid section:last-child {
  flex: 1;
}

.app-shot-grid h3 {
  margin: 0 0 16px;
  font-size: 1rem;
}

.fake-input,
.fake-button,
.fake-log,
.fake-actions span {
  border: 1px solid var(--hairline);
  border-radius: 8px;
  background: var(--glass-strong);
}

.fake-input {
  margin: 6px 0 14px;
  padding: 9px 10px;
  color: var(--ink);
  font-size: 0.88rem;
  overflow-wrap: anywhere;
}

.fake-button {
  margin: 4px 0 14px;
  padding: 11px;
  background: color-mix(in srgb, var(--green) 72%, var(--blue));
  color: #fff;
  text-align: center;
  font-weight: 850;
}

.fake-check {
  margin-top: 10px;
  font-size: 0.9rem;
}

.fake-log {
  min-height: 214px;
  padding: 16px;
  color: color-mix(in srgb, var(--ink) 84%, var(--muted));
}

.fake-actions {
  justify-content: space-between;
  gap: 12px;
  margin-top: 14px;
}

.fake-actions span {
  padding: 9px 14px;
  color: var(--ink);
  font-size: 0.88rem;
}

.concept-flow {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 28px 0 34px;
  padding: clamp(16px, 3vw, 24px);
  border: 1px solid var(--hairline);
  border-radius: 22px;
  background:
    radial-gradient(circle at 18% 20%, color-mix(in srgb, var(--blue) 18%, transparent), transparent 30%),
    radial-gradient(circle at 84% 72%, color-mix(in srgb, var(--coral) 16%, transparent), transparent 34%),
    color-mix(in srgb, var(--glass-strong) 76%, transparent);
  box-shadow: var(--mini-shadow);
}

.concept-flow span {
  position: relative;
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 0 13px;
  border: 1px solid var(--hairline);
  border-radius: 999px;
  background: var(--glass-soft);
  color: var(--ink);
  font-size: 0.9rem;
  font-weight: 820;
  overflow-wrap: anywhere;
}

.article-body h2 {
  margin: 34px 0 10px;
  font-size: clamp(1.45rem, 3vw, 2.2rem);
}

.article-body p {
  color: color-mix(in srgb, var(--ink) 76%, var(--muted));
  font-size: 1.08rem;
  line-height: 1.88;
}

.article-body ul {
  display: grid;
  gap: 10px;
  margin: 12px 0 24px;
  padding-left: 1.2rem;
  color: color-mix(in srgb, var(--ink) 76%, var(--muted));
  font-size: 1.05rem;
  line-height: 1.72;
}

.article-body pre {
  max-width: 100%;
  margin: 18px 0 28px;
  padding: 16px;
  overflow-x: auto;
  border: 1px solid var(--hairline);
  border-radius: 14px;
  background: color-mix(in srgb, var(--glass-strong) 78%, transparent);
  color: var(--ink);
}

.article-body code {
  border-radius: 6px;
  background: color-mix(in srgb, var(--glass-soft) 78%, transparent);
  padding: 0.12em 0.34em;
  font-size: 0.92em;
}

.article-body pre code {
  display: block;
  min-width: max-content;
  background: transparent;
  padding: 0;
  white-space: pre;
}

.not-found {
  min-height: 100vh;
  display: grid;
  place-content: center;
  gap: 18px;
  width: min(720px, calc(100% - 32px));
  margin: 0 auto;
  padding: 32px;
  text-align: center;
}

.not-found h1 {
  font-size: clamp(3rem, 8vw, 6rem);
}

.footer {
  justify-content: space-between;
  gap: 18px;
  padding: 30px clamp(18px, 4vw, 52px);
  border-top: 1px solid var(--hairline);
  color: var(--muted);
  background: color-mix(in srgb, var(--glass) 36%, transparent);
  backdrop-filter: blur(18px);
}

@keyframes rail-scan {
  0%,
  100% {
    opacity: 0.18;
    transform: translateX(-18%) scaleX(0.24);
  }
  45% {
    opacity: 0.66;
    transform: translateX(18%) scaleX(0.72);
  }
}

@keyframes scene-breathe {
  0% {
    transform: translate3d(0, 0, 0) scale(1);
  }
  100% {
    transform: translate3d(6px, -8px, 0) scale(1.015);
  }
}

@keyframes route-track-in {
  0% {
    opacity: 0;
    transform: translate3d(0, 18px, 0) scale(0.96);
  }
  18%,
  78% {
    opacity: 1;
    transform: translate3d(0, 0, 0) scale(1);
  }
  100% {
    opacity: 0;
    transform: translate3d(0, 10px, 0) scale(0.985);
  }
}

@keyframes route-progress {
  0% {
    transform: scaleX(0.06);
    opacity: 0.5;
  }
  100% {
    transform: scaleX(1);
    opacity: 1;
  }
}

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

  .cursor-dot,
  .cursor-ring,
  .cursor-glow,
  .route-curtain {
    display: none;
  }

  body.is-route-entering main,
  body.is-route-leaving main,
  body.is-route-leaving .footer {
    opacity: 1;
    filter: none;
    transform: none;
  }
}

@media (max-width: 960px) {
  .hero-stage,
  .archive-shell,
  .notes-grid {
    grid-template-columns: 1fr;
  }

  .quick-panel,
  .topic-panel {
    position: static;
  }

  .portal-actions,
  .preview-strip {
    grid-template-columns: 1fr;
  }

  .geo-scene {
    opacity: 0.65;
  }
}

@media (max-width: 680px) {
  body {
    --route-slide: 16px;
  }

  .site-header {
    grid-template-columns: 1fr auto;
    gap: 10px;
    min-height: 96px;
    padding: 12px 16px;
  }

  .nav {
    grid-column: 1 / -1;
    justify-content: flex-start;
    order: 3;
    overflow-x: auto;
    padding-bottom: 2px;
  }

  .hero-stage {
    width: min(100% - 24px, 1180px);
    min-height: auto;
    padding-top: 28px;
  }

  .intro-glass {
    padding: 24px;
    border-radius: 24px;
  }

  .intro-glass h1 {
    font-size: clamp(2.1rem, 8.8vw, 2.86rem);
    font-size: clamp(2.1rem, 12.4cqw, 2.86rem);
  }

  .school-name {
    font-size: 1.18rem;
  }

  .study-line {
    margin-bottom: 22px;
  }

  .portal-button {
    min-height: 92px;
  }

  .preview-strip,
  .subpage-shell,
  .article-main {
    width: min(100% - 24px, 1080px);
  }

  .subpage-shell,
  .article-main {
    padding-top: 34px;
  }

  .subpage-hero,
  .article {
    border-radius: 24px;
    padding: 24px;
  }

  .subpage-hero h1,
  .article-header h1 {
    font-size: clamp(2.45rem, 13vw, 4rem);
  }

  .app-shot-grid,
  .fake-actions {
    flex-direction: column;
  }

  .app-shot-grid section:first-child,
  .app-shot-grid section:last-child {
    flex-basis: auto;
  }

  .fake-log {
    min-height: 150px;
  }

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

  .modal-row {
    grid-template-columns: 1fr;
    text-align: center;
  }

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