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

:root {
  --font-body: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-headline: 'Arial Rounded MT Bold', 'Arial Black', 'Noto Sans SC', sans-serif;
  --font-editorial: Georgia, 'Times New Roman', serif;
  --bg: #F5F0E8;
  --ink: #1D1D1D;
  --muted: #666666;
  --c-yellow: #FDE74C;
  --c-coral: #FF6B52;
  --c-mint: #3DDC97;
  --c-violet: #9B5DE5;
  --c-red: #FF3D3D;
  --c-blue: #0A81FF;
  --c-status-new: #C6FF00;
  --c-status-updating: #2B2B2B;
  --c-status-hot: #FF9F1C;
  --card-bg: #FFFFFF;
  --line: #D0D0D0;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 10px rgba(0, 0, 0, 0.08);
  --radius: 6px;
  --max-width: 1280px;
  --gutter: clamp(16px, 3vw, 32px);
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  min-height: 100vh;
}

h1, h2, h3, h4 {
  font-family: var(--font-headline);
  line-height: 1.2;
}

a {
  color: var(--c-blue);
}

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

button, input, select, textarea {
  font: inherit;
}

[hidden] {
  display: none !important;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

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

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

.skip-link {
  position: absolute;
  left: -999px;
  top: -999px;
  z-index: 10001;
  background: var(--c-status-updating);
  color: #FFFFFF;
  padding: 0.5rem 1rem;
  border-radius: 0 0 6px 0;
  text-decoration: none;
  font-weight: 700;
}

.skip-link:focus {
  left: 0;
  top: 0;
  color: #FFFFFF;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--c-yellow);
  border-bottom: 2px solid var(--ink);
  box-shadow: var(--shadow-sm);
}

.header-inner {
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.header-top {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 0.5rem;
  padding-block: 0.5rem;
}

.header-motto {
  font-family: var(--font-editorial);
  font-style: italic;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink);
  opacity: 0.7;
  justify-self: start;
}

.brand {
  display: flex;
  align-items: baseline;
  gap: 0.25rem;
  color: var(--ink);
  text-decoration: none;
  line-height: 1.2;
  justify-self: center;
}

.brand:hover {
  color: var(--ink);
}

.brand-mark {
  width: 2rem;
  height: 2rem;
  display: inline-block;
  background: var(--ink);
  color: var(--c-yellow);
  font-family: var(--font-headline);
  font-size: 1.15rem;
  text-align: center;
  line-height: 2rem;
  border-radius: 50% 20% 50% 20%;
  transform: rotate(-4deg);
}

.brand-name {
  font-family: var(--font-headline);
  font-size: 1.55rem;
  font-weight: 900;
  letter-spacing: 0.02em;
  border-bottom: 4px solid var(--c-coral);
}

.brand-sub {
  font-size: 0.68rem;
  font-weight: 700;
  color: #FFFFFF;
  background: var(--c-violet);
  padding: 0.1rem 0.4rem;
  border-radius: 2px;
  transform: rotate(-2deg);
}

.searchbox {
  display: flex;
  align-items: center;
  justify-self: end;
  background: var(--card-bg);
  border: 1px solid var(--ink);
  border-radius: 999px;
  padding: 0.25rem 0.25rem 0.25rem 0.8rem;
  box-shadow: var(--shadow-sm);
  max-width: 240px;
  width: 100%;
}

.search-input {
  border: 0;
  background: transparent;
  font: inherit;
  font-size: 0.8rem;
  width: 100%;
  outline: none;
  padding: 0.2rem 0;
  color: var(--ink);
}

.search-input::placeholder {
  color: #888888;
}

.search-submit {
  pointer-events: none;
  background: var(--c-coral);
  color: var(--ink);
  border-radius: 50%;
  width: 1.5rem;
  height: 1.5rem;
  display: grid;
  place-items: center;
  font-size: 0.9rem;
  flex-shrink: 0;
}

.header-nav-row {
  display: flex;
  justify-content: center;
  align-items: center;
  border-top: 1px solid rgba(29, 29, 29, 0.4);
}

.main-nav {
  display: block;
}

.nav-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0;
  list-style: none;
}

.nav-link {
  display: block;
  padding: 0.5rem 0.9rem;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 3px solid transparent;
  margin-bottom: 2px;
}

.nav-link:hover {
  color: var(--c-violet);
  background: rgba(255, 255, 255, 0.5);
}

.nav-link[aria-current="page"] {
  color: var(--ink);
  background: var(--c-red);
  border-bottom-color: var(--ink);
  border-radius: 4px 4px 0 0;
}

.nav-toggle {
  display: none;
  border: 2px solid var(--ink);
  background: var(--c-mint);
  color: var(--ink);
  font-size: 0.85rem;
  font-weight: 700;
  padding: 0.35rem 0.9rem;
  border-radius: 4px;
  cursor: pointer;
}

.site-footer {
  background: var(--c-status-updating);
  color: #F5F0E8;
  padding: 2rem 0 1.5rem;
}

.footer-inner {
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--gutter);
  display: grid;
  grid-template-columns: 1.4fr 1fr 1.6fr;
  gap: 1.5rem;
}

.footer-brand .brand-name {
  font-size: 1.6rem;
  color: var(--c-yellow);
  border-bottom-color: transparent;
}

.footer-tagline {
  color: #CCCCCC;
  font-size: 0.82rem;
  margin-top: 0.25rem;
}

.footer-title {
  font-size: 0.85rem;
  color: var(--c-mint);
  margin-bottom: 0.35rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.footer-links {
  list-style: none;
}

.footer-link {
  color: #F5F0E8;
  text-decoration: none;
  font-size: 0.82rem;
  border-bottom: 1px dotted #777777;
  padding: 0.1rem 0;
}

.footer-link:hover {
  color: var(--c-mint);
  border-bottom-color: var(--c-mint);
}

.contact-list {
  list-style: none;
  font-size: 0.82rem;
  color: #CCCCCC;
}

.contact-item {
  margin-bottom: 0.2rem;
}

.footer-meta {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid #444444;
  padding-top: 1rem;
  margin-top: 0.5rem;
  font-size: 0.75rem;
}

.footer-legal {
  display: flex;
  gap: 1rem;
}

.legal-link {
  color: #CCCCCC;
  text-decoration: none;
}

.legal-link:hover {
  color: var(--c-yellow);
}

.copyright {
  color: #CCCCCC;
}

.site-main {
  min-height: 60vh;
}

.page-content {
  padding-block: 1rem 2rem;
}

.page-header {
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--line);
  margin-bottom: 1rem;
}

.breadcrumb {
  font-size: 0.75rem;
  color: var(--muted);
  margin-bottom: 1rem;
}

.breadcrumb a {
  color: var(--c-blue);
  text-decoration: none;
}

.breadcrumb a:hover {
  text-decoration: underline;
}

.btn {
  display: inline-block;
  padding: 0.5rem 1rem;
  border: 1px solid transparent;
  border-radius: 999px;
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  line-height: 1.4;
}

.btn-primary {
  background: var(--c-blue);
  color: var(--ink);
  border-color: var(--ink);
}

.btn-primary:hover {
  background: #0063D6;
  color: #FFFFFF;
}

.btn-accent {
  background: var(--c-coral);
  color: var(--ink);
  border-color: var(--ink);
}

.btn-accent:hover {
  background: #E5503A;
  color: #FFFFFF;
}

.btn-filter {
  background: var(--card-bg);
  border: 1px solid var(--line);
  color: var(--ink);
  border-radius: 999px;
  padding: 0.3rem 0.8rem;
  font-size: 0.78rem;
  font-weight: 700;
  cursor: pointer;
}

.btn-filter:hover {
  border-color: var(--c-violet);
  color: var(--c-violet);
}

.btn-filter.is-active {
  background: var(--c-violet);
  color: #FFFFFF;
  border-color: var(--c-violet);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 1rem;
}

.card-wall {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1rem;
}

.card {
  background: var(--card-bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.hover-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.card-media {
  position: relative;
  background: linear-gradient(135deg, var(--c-mint), var(--c-blue));
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}

.card-body {
  padding: 0.75rem 0.9rem;
}

.card-title {
  font-family: var(--font-headline);
  font-size: 0.95rem;
  font-weight: 700;
  margin: 0 0 0.25rem;
  color: var(--ink);
}

.card-meta {
  font-size: 0.75rem;
  color: var(--muted);
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.tile-matrix {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1rem;
}

.tile {
  border: 2px solid var(--ink);
  border-radius: 18px 6px 18px 6px;
  padding: 1rem 1.2rem;
  background: var(--c-yellow);
  color: var(--ink);
  box-shadow: var(--shadow-sm);
  transition: transform 0.18s ease;
}

.tile:hover {
  transform: rotate(-1deg) scale(1.02);
}

.tile--coral {
  background: var(--c-coral);
  color: var(--ink);
}

.tile--mint {
  background: var(--c-mint);
  color: var(--ink);
}

.tile--violet {
  background: var(--c-violet);
  color: #FFFFFF;
}

.tile--white {
  background: #FFFFFF;
  border-color: var(--line);
  color: var(--ink);
}

.tile-title {
  font-family: var(--font-headline);
  font-size: 1rem;
  margin: 0 0 0.25rem;
}

.tile-num {
  font-family: var(--font-editorial);
  font-size: 1.5rem;
  font-weight: 700;
}

.tile small {
  font-size: 0.75rem;
  opacity: 0.8;
}

.tag-block {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
}

.tag {
  display: inline-block;
  background: var(--c-yellow);
  color: var(--ink);
  font-size: 0.68rem;
  font-weight: 700;
  padding: 0.1rem 0.5rem;
  border-radius: 2px;
}

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

.tag--mint {
  background: var(--c-mint);
}

.tag--violet {
  background: var(--c-violet);
  color: #FFFFFF;
}

.tag--blue {
  background: var(--c-blue);
  color: var(--ink);
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
  line-height: 1.4;
}

.status-badge::before {
  content: "";
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 50%;
  background: currentColor;
}

.status-badge--new {
  background: var(--c-status-new);
  color: var(--ink);
}

.status-badge--updating {
  background: var(--c-status-updating);
  color: #FFFFFF;
}

.status-badge--hot {
  background: var(--c-status-hot);
  color: var(--ink);
}

.status-badge--done {
  background: #666666;
  color: #FFFFFF;
}

.index-number {
  font-family: var(--font-editorial);
  font-weight: 700;
  color: var(--c-violet);
  font-size: 0.85rem;
  letter-spacing: 0.02em;
}

.data-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 0.5rem;
  background: var(--card-bg);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 1rem;
}

.data-strip-item {
  text-align: center;
}

.data-num {
  font-family: var(--font-headline);
  font-size: 1.5rem;
  color: var(--c-red);
  display: block;
}

.data-label {
  font-size: 0.7rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.list-row {
  display: grid;
  grid-template-columns: 3rem 1fr auto;
  gap: 0.5rem;
  align-items: center;
  padding: 0.4rem 0;
  border-bottom: 1px dashed var(--line);
}

.list-row .index-number {
  grid-row: span 2;
}

.list-row .title {
  font-weight: 600;
  font-size: 0.9rem;
}

.list-row .desc {
  font-size: 0.75rem;
  color: var(--muted);
}

.list-row .meta {
  text-align: right;
  font-size: 0.75rem;
  color: var(--muted);
}

.progress-list {
  display: grid;
  gap: 0.75rem;
}

.progress-item {
  background: var(--card-bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0.6rem 0.8rem;
}

.progress-top {
  display: flex;
  justify-content: space-between;
  gap: 0.5rem;
}

.progress-top .title {
  font-size: 0.85rem;
  font-weight: 600;
}

.progress-top .num {
  font-size: 0.7rem;
  color: var(--muted);
  white-space: nowrap;
}

.progress-track {
  height: 6px;
  background: #EEEEEE;
  border-radius: 999px;
  margin-top: 0.4rem;
  overflow: hidden;
}

.progress-fill {
  display: block;
  height: 100%;
  background: var(--c-blue);
}

.metric {
  display: grid;
  gap: 0.2rem;
}

.metric-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.metric-bar {
  height: 6px;
  background: #E5E5E5;
  border-radius: 999px;
  overflow: hidden;
}

.metric-fill {
  display: block;
  height: 100%;
  background: var(--c-coral);
}

.metric-fill--mint {
  background: var(--c-mint);
}

.metric-value {
  font-family: var(--font-headline);
  font-size: 1.2rem;
  color: var(--ink);
}

.alpha-index {
  display: flex;
  flex-wrap: wrap;
  gap: 0.15rem;
}

.alpha-link {
  display: grid;
  place-items: center;
  min-width: 1.6rem;
  padding: 0.2rem 0.3rem;
  background: var(--card-bg);
  border: 1px solid var(--line);
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--ink);
  text-decoration: none;
}

.alpha-link:hover,
.alpha-link[aria-current="true"] {
  background: var(--c-blue);
  color: var(--ink);
  border-color: var(--c-blue);
}

.scrollzone {
  overflow-x: auto;
  padding-bottom: 0.5rem;
  -webkit-overflow-scrolling: touch;
}

.scrollzone-track {
  display: flex;
  gap: 1rem;
  min-width: max-content;
}

.schedule-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 4px;
  min-width: 640px;
}

.schedule-cell {
  background: var(--card-bg);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 0.5rem;
  min-height: 60px;
}

.schedule-cell .day {
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--c-violet);
  margin-bottom: 0.25rem;
}

.schedule-cell .title {
  font-size: 0.75rem;
  color: var(--ink);
}

.shelf-panel {
  border: 2px solid var(--ink);
  border-radius: 12px 4px 12px 4px;
  padding: 1rem;
  background: var(--c-mint);
  color: var(--ink);
}

.shelf-panel--lemon {
  background: var(--c-yellow);
}

.shelf-panel--coral {
  background: var(--c-coral);
}

.shelf-panel--violet {
  background: var(--c-violet);
  color: #FFFFFF;
}

.section-heading {
  font-family: var(--font-headline);
  font-size: 1.1rem;
  font-weight: 900;
  margin: 0 0 0.5rem;
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
}

.section-heading .step {
  font-family: var(--font-editorial);
  color: var(--c-coral);
}

.section-tint {
  padding: 1rem;
  border-radius: 8px;
}

.tint-yellow {
  background: var(--c-yellow);
}

.tint-coral {
  background: var(--c-coral);
  color: var(--ink);
}

.tint-mint {
  background: var(--c-mint);
}

.tint-violet {
  background: var(--c-violet);
  color: #FFFFFF;
}

.split-hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  align-items: stretch;
}

.hero-side {
  padding: 1.5rem;
  border: 2px solid var(--ink);
  background: var(--c-mint);
  border-radius: 8px;
}

.hero-panel {
  background: var(--card-bg);
  border: 2px solid var(--ink);
  box-shadow: var(--shadow-md);
  border-radius: 8px;
  padding: 1rem;
}

.speech-bubble {
  position: relative;
  background: #FFFFFF;
  border: 2px solid var(--ink);
  border-radius: 12px;
  padding: 0.75rem 1rem;
  font-size: 0.8rem;
  font-weight: 700;
}

.speech-bubble::after {
  content: "";
  position: absolute;
  bottom: -8px;
  left: 12px;
  width: 12px;
  height: 12px;
  background: #FFFFFF;
  border-right: 2px solid var(--ink);
  border-bottom: 2px solid var(--ink);
  transform: rotate(45deg);
}

.image-frame {
  position: relative;
  display: block;
  width: 100%;
  background: linear-gradient(135deg, var(--c-mint), var(--c-blue));
  overflow: hidden;
}

.image-frame--tall {
  aspect-ratio: 3 / 4;
}

.image-frame--square {
  aspect-ratio: 1 / 1;
}

.image-frame--wide {
  aspect-ratio: 16 / 9;
}

.image-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(45deg, rgba(0, 0, 0, 0.12) 1px, transparent 1px);
  background-size: 8px 8px;
  pointer-events: none;
}

.filter-block {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  align-items: center;
}

.filter-label {
  font-size: 0.75rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.accordion-item {
  border-bottom: 1px solid var(--line);
}

.accordion-trigger {
  width: 100%;
  background: transparent;
  border: 0;
  padding: 0.75rem 0.25rem;
  font: inherit;
  font-weight: 700;
  text-align: left;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  color: var(--ink);
}

.accordion-trigger::after {
  content: "+";
  font-size: 1.2rem;
  color: var(--c-coral);
}

.accordion-trigger[aria-expanded="true"]::after {
  content: "–";
}

.accordion-panel {
  display: none;
  padding: 0 0.25rem 1rem;
  color: #333333;
}

.accordion-panel.is-open {
  display: block;
}

#scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 4px;
  background: var(--c-coral);
  z-index: 2000;
  pointer-events: none;
  width: 0%;
}

@media (max-width: 768px) {
  .header-top {
    grid-template-columns: 1fr auto 1fr;
  }

  .header-motto {
    display: none;
  }

  .searchbox {
    max-width: 160px;
  }

  .nav-toggle {
    display: inline-block;
  }

  .header-nav-row {
    justify-content: space-between;
    padding-block: 0.4rem;
  }

  .main-nav {
    display: none;
    width: 100%;
  }

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

  .nav-list {
    flex-direction: column;
    align-items: stretch;
    border-top: 1px solid rgba(29, 29, 29, 0.4);
  }

  .nav-link {
    padding: 0.7rem 0.5rem;
    border-bottom: 1px solid rgba(29, 29, 29, 0.15);
    border-radius: 0;
  }

  .nav-link[aria-current="page"] {
    border-radius: 0;
  }

  .footer-inner {
    grid-template-columns: 1fr;
  }

  .footer-meta {
    grid-column: 1;
    flex-direction: column;
    align-items: flex-start;
  }

  .split-hero {
    grid-template-columns: 1fr;
  }

  .schedule-grid {
    min-width: 640px;
  }
}

@media (max-width: 480px) {
  .header-top {
    grid-template-columns: auto 1fr;
  }

  .brand {
    grid-column: 1;
    grid-row: 1;
    justify-self: start;
  }

  .brand-name {
    font-size: 1.25rem;
  }

  .searchbox {
    grid-column: 2;
    grid-row: 1;
    max-width: 120px;
  }

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

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}