:root {
  --color-page: #0B0F14;
  --color-section-1: #171E26;
  --color-section-2: #14211C;
  --color-section-3: #1B1426;
  --color-card: #1E2630;
  --color-accent: #C8FF00;
  --color-yellow: #FFD400;
  --color-orange: #FF6A00;
  --color-cyan: #00D9FF;
  --color-new: #FF3B3B;
  --color-hot: #FFC400;
  --color-done: #00E676;
  --color-text: #F2F5F7;
  --color-muted: #9AA7B4;
  --color-border: #2E3A45;
  --font-head: "Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --font-mono: "JetBrains Mono",ui-monospace,SFMono-Regular,Consolas,monospace;
  --gap: 20px;
}

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

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

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--color-page);
  color: var(--color-text);
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

main {
  flex: 1 0 auto;
}

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

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

a {
  color: var(--color-accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

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

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

.skip-link {
  position: absolute;
  top: 16px;
  left: 16px;
  z-index: 100;
  display: inline-block;
  padding: 10px 14px;
  background: var(--color-accent);
  color: #0B0F14;
  font-weight: 800;
  transform: translateY(-220%);
}

.skip-link:focus-visible {
  transform: translateY(0);
}

.l-container {
  max-width: 1320px;
  margin-inline: auto;
  padding-inline: 20px;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-head);
  font-weight: 800;
  color: var(--color-text);
  line-height: 1.2;
}

h1 {
  font-size: clamp(1.9rem, 4vw, 3rem);
}

h2 {
  font-size: clamp(1.45rem, 3vw, 2.1rem);
}

h3 {
  font-size: clamp(1.1rem, 2vw, 1.4rem);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border: 2px solid var(--color-accent);
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.85rem;
  text-decoration: none;
  background: transparent;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}

.btn:hover {
  background: var(--color-accent);
  color: #0B0F14;
  text-decoration: none;
}

.btn--primary {
  background: var(--color-accent);
  color: #0B0F14;
}

.btn--primary:hover {
  background: var(--color-yellow);
  border-color: var(--color-yellow);
  color: #0B0F14;
}

.btn--ghost {
  border-color: var(--color-border);
  color: var(--color-text);
}

.btn--ghost:hover {
  border-color: var(--color-accent);
  background: var(--color-accent);
  color: #0B0F14;
}

.site-header {
  position: relative;
  background: var(--color-section-1);
  border-top: 4px solid var(--color-accent);
  border-bottom: 2px solid var(--color-border);
}

.site-header__top {
  background:
    repeating-linear-gradient(90deg, rgba(255,255,255,0.02) 0 1px, transparent 1px 3px),
    var(--color-section-1);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 68px;
  padding-block: 14px;
}

.site-brand {
  display: inline-flex;
  flex-direction: column;
  gap: 2px;
}

.site-brand__mark {
  display: flex;
  align-items: center;
  gap: 10px;
}

.site-brand__pulse {
  width: 12px;
  height: 12px;
  background: var(--color-accent);
  box-shadow: 0 0 12px rgba(200,255,0,0.6);
  flex: 0 0 auto;
}

.site-brand__text {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  color: var(--color-text);
  line-height: 1.1;
  letter-spacing: 0.02em;
}

.site-brand__sub {
  font-size: 0.72rem;
  color: var(--color-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.site-header__shortcuts {
  display: flex;
  gap: 10px;
  margin-left: auto;
}

.site-header__shortcuts .btn {
  padding: 7px 12px;
  font-size: 0.78rem;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  flex: 0 0 auto;
  border: 2px solid var(--color-accent);
  background: transparent;
}

.nav-toggle__line {
  display: block;
  width: 22px;
  height: 3px;
  background: var(--color-accent);
  transition: transform 0.2s, opacity 0.2s;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__line:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

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

.nav-toggle[aria-expanded="true"] .nav-toggle__line:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

.site-nav-wrap {
  background: var(--color-section-3);
  border-top: 1px solid var(--color-border);
}

.site-nav__list {
  list-style: none;
  display: flex;
  align-items: stretch;
}

.site-nav__item {
  display: flex;
}

.site-nav__link {
  display: flex;
  align-items: center;
  padding: 14px 18px;
  color: var(--color-text);
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1rem;
  text-decoration: none;
  position: relative;
  background: transparent;
  transition: background 0.15s, color 0.15s;
}

.site-nav__link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 4px;
  background: var(--color-accent);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.18s;
}

.site-nav__link:hover {
  background: rgba(200,255,0,0.06);
  color: var(--color-accent);
  text-decoration: none;
}

.site-nav__link:hover::after,
.site-nav__link[aria-current="page"]::after {
  transform: scaleX(1);
}

.site-nav__link[aria-current="page"] {
  color: var(--color-accent);
}

.site-footer {
  background: var(--color-section-2);
  border-top: 4px solid var(--color-accent);
  color: var(--color-text);
  margin-top: auto;
}

.site-footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1.2fr 1.6fr;
  gap: 36px;
  padding-block: 42px 28px;
}

.site-footer__brand .site-brand__text {
  color: var(--color-accent);
}

.site-footer__brand .site-brand__sub {
  color: var(--color-muted);
}

.site-footer__heading {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 0.9rem;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  margin-bottom: 12px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.site-footer__heading::before {
  content: "";
  width: 8px;
  height: 8px;
  background: var(--color-yellow);
  flex: 0 0 auto;
}

.site-footer__links,
.site-footer__contactlist {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.site-footer__links a,
.site-footer__contactlist a {
  color: var(--color-text);
  font-size: 0.88rem;
  transition: color 0.15s;
}

.site-footer__links a:hover,
.site-footer__contactlist a:hover {
  color: var(--color-accent);
  text-decoration: none;
}

.site-footer__contactlist {
  color: var(--color-muted);
  font-size: 0.88rem;
}

.site-footer__bottom {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
  border-top: 1px solid rgba(242,245,247,0.12);
  padding-block: 16px;
  font-size: 0.78rem;
  color: var(--color-muted);
}

.l-section {
  padding-block: clamp(32px, 6vw, 64px);
}

.l-section--gray {
  background: var(--color-section-1);
}

.l-section--green {
  background: var(--color-section-2);
}

.l-section--purple {
  background: var(--color-section-3);
}

.l-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--gap);
}

.l-grid__main {
  grid-column: span 8;
}

.l-grid__aside {
  grid-column: span 4;
}

.breadcrumb__list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 6px 10px;
  padding: 0;
  margin-bottom: 16px;
  font-size: 0.82rem;
  color: var(--color-muted);
}

.breadcrumb__item {
  display: flex;
  align-items: center;
  gap: 10px;
}

.breadcrumb__item + .breadcrumb__item::before {
  content: "/";
  color: var(--color-muted);
}

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

.seg-head {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 22px;
  padding-bottom: 12px;
  border-bottom: 3px solid var(--color-accent);
}

.seg-head__tag {
  background: var(--color-accent);
  color: #0B0F14;
  font-family: var(--font-mono);
  font-weight: 800;
  font-size: 0.8rem;
  padding: 4px 10px;
  flex: 0 0 auto;
}

.seg-head__title {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(1.3rem, 2.6vw, 1.9rem);
  color: var(--color-text);
}

.seg-head__meta {
  margin-left: auto;
  font-size: 0.78rem;
  color: var(--color-muted);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--gap);
}

.card-grid--cols3 .tile {
  grid-column: span 4;
}

.tile {
  position: relative;
  grid-column: span 3;
  display: flex;
  flex-direction: column;
  gap: 10px;
  background: var(--color-card);
  border: 2px solid var(--color-border);
  padding: 22px;
  overflow: hidden;
  transition: transform 0.16s, border-color 0.16s;
}

.tile::after {
  content: "";
  position: absolute;
  top: 10px;
  right: 10px;
  width: 8px;
  height: 8px;
  border: 2px solid var(--color-accent);
  opacity: 0.75;
}

.tile:hover {
  transform: translateY(-4px);
  border-color: var(--color-accent);
}

.tile--wide {
  grid-column: span 6;
}

.tile--tall {
  grid-row: span 2;
}

.tile--yellow {
  background: var(--color-yellow);
  color: #0B0F14;
  border-color: var(--color-yellow);
}

.tile--orange {
  background: var(--color-orange);
  color: #0B0F14;
  border-color: var(--color-orange);
}

.tile--cyan {
  background: var(--color-cyan);
  color: #0B0F14;
  border-color: var(--color-cyan);
}

.tile--dark {
  background: var(--color-card);
  color: var(--color-text);
  border-color: var(--color-border);
}

.tile--yellow .tile__title,
.tile--orange .tile__title,
.tile--cyan .tile__title {
  color: #0B0F14;
}

.tile--yellow::after,
.tile--orange::after,
.tile--cyan::after {
  border-color: rgba(0,0,0,0.55);
}

.tile__tag {
  display: inline-flex;
  align-self: flex-start;
  padding: 3px 8px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  background: var(--color-page);
  color: var(--color-accent);
}

.tile--yellow .tile__tag,
.tile--orange .tile__tag,
.tile--cyan .tile__tag {
  background: rgba(0,0,0,0.18);
  color: #0B0F14;
}

.tile__title {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(1rem, 2vw, 1.35rem);
  line-height: 1.3;
  color: var(--color-text);
}

.tile--yellow .tile__title,
.tile--orange .tile__title,
.tile--cyan .tile__title {
  color: #0B0F14;
}

.tile__meta {
  margin-top: auto;
  font-size: 0.76rem;
  color: var(--color-muted);
}

.tile--yellow .tile__meta,
.tile--orange .tile__meta,
.tile--cyan .tile__meta {
  color: rgba(0,0,0,0.7);
}

.entry-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  border: 2px solid var(--color-border);
  background: var(--color-card);
}

.entry-row {
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: center;
  gap: 16px;
  padding: 13px 16px;
  border-bottom: 1px solid var(--color-border);
  transition: background 0.15s;
}

.entry-row:last-child {
  border-bottom: 0;
}

.entry-row:hover {
  background: rgba(200,255,0,0.05);
}

.entry-row__name {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--color-text);
}

.entry-row__meta {
  font-size: 0.75rem;
  color: var(--color-muted);
}

.entry-row__status {
  justify-self: end;
}

.tag-list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 7px 12px;
  background: var(--color-card);
  border: 2px solid var(--color-border);
  color: var(--color-text);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  text-decoration: none;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}

.tag:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  text-decoration: none;
}

.tag.is-filter-active {
  background: var(--color-accent);
  color: #0B0F14;
  border-color: var(--color-accent);
}

.tag--y {
  border-color: var(--color-yellow);
  color: var(--color-yellow);
}

.tag--o {
  border-color: var(--color-orange);
  color: var(--color-orange);
}

.tag--c {
  border-color: var(--color-cyan);
  color: var(--color-cyan);
}

.tag--g {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.tag--muted {
  border-color: var(--color-border);
  color: var(--color-muted);
}

.tag--y:hover,
.tag--y.is-filter-active {
  background: var(--color-yellow);
  color: #0B0F14;
}

.tag--o:hover,
.tag--o.is-filter-active {
  background: var(--color-orange);
  color: #0B0F14;
}

.tag--c:hover,
.tag--c.is-filter-active {
  background: var(--color-cyan);
  color: #0B0F14;
}

.tag--g:hover,
.tag--g.is-filter-active {
  background: var(--color-accent);
  color: #0B0F14;
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 9px;
  border: 1px solid;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.badge--new {
  color: var(--color-new);
  border-color: var(--color-new);
  background: rgba(255,59,59,0.12);
}

.badge--hot {
  color: var(--color-hot);
  border-color: var(--color-hot);
  background: rgba(255,196,0,0.12);
}

.badge--done {
  color: var(--color-done);
  border-color: var(--color-done);
  background: rgba(0,230,118,0.12);
}

.num-mark {
  display: inline-grid;
  place-items: center;
  width: 34px;
  height: 34px;
  background: var(--color-section-3);
  border: 2px solid var(--color-border);
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-weight: 800;
  font-size: 0.85rem;
}

.num-mark--hot {
  border-color: var(--color-new);
  color: var(--color-new);
}

.num-mark--top {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #0B0F14;
}

.meter {
  display: block;
  width: 100%;
  height: 8px;
  background: var(--color-page);
  border: 1px solid var(--color-border);
  overflow: hidden;
}

.meter__bar {
  display: block;
  height: 100%;
  width: var(--value, 50%);
  background: var(--color-accent);
}

.index-bar {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.index-bar__item {
  display: inline-grid;
  place-items: center;
  min-width: 40px;
  padding: 8px 10px;
  background: var(--color-card);
  border: 2px solid var(--color-border);
  color: var(--color-text);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 800;
  text-decoration: none;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}

.index-bar__item:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  text-decoration: none;
}

.index-bar__item.is-active,
.index-bar__item[aria-current="page"] {
  background: var(--color-accent);
  color: #0B0F14;
  border-color: var(--color-accent);
}

.rail {
  position: relative;
}

.rail__track {
  display: flex;
  gap: 14px;
  overflow-x: auto;
  padding-bottom: 10px;
  scroll-snap-type: x mandatory;
}

.rail__track > * {
  flex: 0 0 auto;
  scroll-snap-align: start;
}

.rail__track::-webkit-scrollbar {
  height: 8px;
}

.rail__track::-webkit-scrollbar-track {
  background: var(--color-section-1);
}

.rail__track::-webkit-scrollbar-thumb {
  background: var(--color-border);
}

.table-wrap {
  overflow-x: auto;
  border: 2px solid var(--color-border);
  background: var(--color-card);
}

.index-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  min-width: 680px;
}

.index-table th,
.index-table td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--color-border);
  text-align: left;
  vertical-align: middle;
}

.index-table th {
  background: rgba(255,255,255,0.05);
  color: var(--color-accent);
  font-weight: 800;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.index-table tbody tr {
  transition: background 0.12s;
}

.index-table tbody tr:hover {
  background: rgba(200,255,0,0.06);
}

.index-table td {
  color: var(--color-text);
  border-bottom: 1px solid var(--color-border);
}

.index-table tbody tr:last-child td {
  border-bottom: 0;
}

.ph {
  display: block;
  position: relative;
  aspect-ratio: 16 / 9;
  background: var(--color-page);
  border: 2px dashed var(--color-border);
  overflow: hidden;
}

.ph::after {
  content: "HL";
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-weight: 800;
  color: var(--color-accent);
  background: repeating-linear-gradient(45deg, transparent 0 8px, rgba(255,255,255,0.03) 8px 9px);
}

.ph--tile {
  aspect-ratio: 3 / 2;
}

.ph--row {
  aspect-ratio: auto;
  width: 120px;
  height: 70px;
  flex: 0 0 auto;
}

.ph--portrait {
  aspect-ratio: 3 / 4;
}

.prose {
  max-width: 720px;
  color: var(--color-muted);
}

.prose p {
  margin-bottom: 1em;
}

.prose h2,
.prose h3 {
  margin-top: 1.5em;
  margin-bottom: 0.5em;
}

.prose ul {
  list-style: disc;
  padding-left: 1.3em;
  margin-bottom: 1em;
}

.prose a {
  color: var(--color-accent);
  text-decoration: underline;
}

.is-hidden {
  display: none !important;
}

@media (max-width: 1023px) {
  .site-footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: 30px;
  }
}

@media (max-width: 899px) {
  .site-header__shortcuts {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  .site-nav {
    display: none;
  }

  .site-nav[data-open] {
    display: block;
  }

  .site-nav__list {
    flex-direction: column;
    padding-block: 6px;
  }

  .site-nav__item + .site-nav__item {
    border-top: 1px solid var(--color-border);
  }

  .site-nav__link {
    padding: 12px 16px;
  }

  .l-grid__main,
  .l-grid__aside {
    grid-column: span 12;
  }

  .card-grid--cols3 .tile {
    grid-column: span 6;
  }

  .tile {
    grid-column: span 6;
  }

  .tile--wide {
    grid-column: span 12;
  }

  .entry-row {
    grid-template-columns: 1fr auto;
  }

  .entry-row__meta {
    grid-column: 1 / -1;
    grid-row: auto;
  }
}

@media (max-width: 599px) {
  .site-header__inner {
    min-height: 58px;
    padding-block: 10px;
  }

  .site-brand__sub {
    display: none;
  }

  .site-brand__text {
    font-size: 1.35rem;
  }

  .tile,
  .tile--wide,
  .card-grid--cols3 .tile {
    grid-column: 1 / -1;
  }

  .site-footer__grid {
    grid-template-columns: 1fr;
    gap: 28px;
    padding-block: 32px 20px;
  }

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

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