:root {
  --sun: #ffde4d;
  --ink: #1d2b44;
  --pink: #ff4081;
  --cyan: #20c7d9;
  --mint: #48d597;
  --paper: #fff7df;
  --cream: #fffdf2;
  --line: #121927;
  --muted: #5a6476;
  --shadow: 5px 5px 0 #1d2b44;
  --soft-shadow: 0 10px 22px rgba(29, 43, 68, .14);
  color-scheme: light;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", "Segoe UI", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at 18px 18px, rgba(29, 43, 68, .08) 2px, transparent 2.5px) 0 0 / 36px 36px,
    linear-gradient(135deg, #fffdf2 0%, #fff7df 52%, #e5fbf7 100%);
  line-height: 1.72;
  letter-spacing: 0;
}

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

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

figure { margin: 0; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 4px solid var(--line);
  background: rgba(255, 253, 242, .94);
  backdrop-filter: blur(14px);
}

.nav-wrap {
  max-width: 1180px;
  margin: 0 auto;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 900;
  color: var(--line);
  white-space: nowrap;
}

.brand-mark {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border: 0;
  background: transparent;
  box-shadow: none;
  overflow: hidden;
}

.brand-mark img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.nav-toggle {
  display: none;
  border: 3px solid var(--line);
  background: var(--sun);
  width: 44px;
  height: 40px;
  font-size: 22px;
  font-weight: 900;
  cursor: pointer;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.nav-links a,
.nav-links button,
.comic-btn {
  border: 3px solid var(--line);
  background: var(--cream);
  color: var(--line);
  padding: 9px 14px;
  font-weight: 800;
  box-shadow: 3px 3px 0 var(--line);
  cursor: pointer;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
}

.nav-links a:hover,
.nav-links button:hover,
.comic-btn:hover {
  transform: translate(2px, 2px);
  box-shadow: 1px 1px 0 var(--line);
  background: var(--sun);
}

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

.comic-btn.secondary {
  background: var(--cyan);
}

.page-shell {
  overflow: hidden;
}

.section,
.hero {
  max-width: 1200px;
  margin: 0 auto;
  padding: 64px 22px;
}

.hero {
  min-height: min(760px, calc(100vh - 66px));
  display: grid;
  grid-template-columns: minmax(0, .92fr) minmax(420px, 1.08fr);
  align-items: center;
  gap: 46px;
  position: relative;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 48px 32px auto auto;
  width: min(32vw, 360px);
  height: min(32vw, 360px);
  background: repeating-conic-gradient(from 0deg, rgba(255, 64, 129, .14) 0 12deg, rgba(255, 222, 77, .16) 12deg 24deg);
  clip-path: polygon(50% 0, 61% 36%, 99% 36%, 68% 57%, 80% 95%, 50% 72%, 20% 95%, 32% 57%, 1% 36%, 39% 36%);
  z-index: -1;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 3px solid var(--line);
  background: var(--sun);
  padding: 5px 10px;
  font-weight: 900;
  box-shadow: 3px 3px 0 var(--line);
}

h1,
h2,
h3 {
  line-height: 1.18;
  letter-spacing: 0;
  color: var(--line);
}

h1 {
  margin: 22px 0 18px;
  font-size: clamp(40px, 6vw, 76px);
  font-weight: 1000;
  text-transform: none;
}

h2 {
  margin: 0 0 22px;
  font-size: clamp(28px, 3.4vw, 42px);
  font-weight: 1000;
}

h3 {
  margin: 0 0 10px;
  font-size: 22px;
  font-weight: 950;
}

.lead {
  font-size: 19px;
  max-width: 720px;
  color: #26364f;
  margin-bottom: 0;
}

.hero-actions,
.button-row {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  align-items: center;
  margin-top: 26px;
}

.hero-panel,
.comic-panel,
.data-strip,
.article-card,
.faq-item,
.route-card,
.image-card {
  border: 3px solid var(--line);
  background: var(--cream);
  box-shadow: var(--shadow);
}

.hero-panel {
  width: 100%;
  max-width: 620px;
  justify-self: end;
  padding: 12px;
  transform: none;
}

.hero-panel picture,
.image-card picture {
  display: block;
  width: 100%;
  position: relative;
  overflow: hidden;
  border: 2px solid var(--line);
  background: #fff;
}

.hero-panel picture {
  aspect-ratio: 16 / 10;
}

.hero-panel img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.caption-tag {
  position: absolute;
  left: 14px;
  bottom: 14px;
  max-width: calc(100% - 28px);
  border: 3px solid var(--line);
  background: var(--sun);
  padding: 8px 12px;
  font-weight: 900;
  box-shadow: 3px 3px 0 var(--line);
  white-space: normal;
  writing-mode: horizontal-tb;
}

.meta-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(120px, 1fr));
  gap: 12px;
  margin-top: 18px;
}

.meta-grid span,
.mini-stat {
  border: 2px solid var(--line);
  background: #fff;
  padding: 10px;
  font-weight: 800;
}

.section-title {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 26px;
}

.section-title p {
  margin: 0;
  max-width: 560px;
  color: var(--muted);
}

.comic-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
}

.comic-panel {
  padding: 22px;
  position: relative;
  background:
    radial-gradient(circle at 9px 9px, rgba(255, 64, 129, .12) 2px, transparent 2.5px) 0 0 / 18px 18px,
    var(--cream);
}

.comic-panel:nth-child(2n) { transform: rotate(-.6deg); }
.comic-panel:nth-child(2n + 1) { transform: rotate(.4deg); }

.comic-panel,
.comic-panel:nth-child(2n),
.comic-panel:nth-child(2n + 1) {
  transform: none;
}

.panel-num {
  position: absolute;
  top: -15px;
  right: 16px;
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border: 3px solid var(--line);
  background: var(--pink);
  color: #fff;
  font-weight: 950;
}

.data-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  overflow: hidden;
  background: #fff;
}

.data-strip div {
  padding: 18px;
  border-right: 3px solid var(--line);
  border-bottom: 3px solid var(--line);
}

.data-strip div:nth-child(3n) { border-right: 0; }
.data-strip div:nth-last-child(-n + 3) { border-bottom: 0; }

.data-strip strong {
  display: block;
  color: var(--pink);
  margin-bottom: 4px;
}

.image-grid,
.article-grid,
.route-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
  gap: 20px;
}

.image-grid {
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  align-items: start;
}

.image-card,
.article-card,
.route-card {
  padding: 12px;
  background: var(--cream);
  height: 100%;
}

.image-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.image-card picture {
  aspect-ratio: 16 / 9;
}

.image-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.image-card figcaption {
  margin: 0;
  line-height: 1.65;
  color: #26364f;
}

.article-card,
.route-card {
  padding: 22px;
  display: flex;
  flex-direction: column;
}

.article-card p,
.route-card p {
  margin-bottom: 0;
}

.article-card a,
.article-card button {
  margin-top: auto;
  align-self: flex-start;
}

.article-card a {
  display: inline-block;
  padding-top: 12px;
  font-weight: 900;
  color: var(--pink);
}

.timeline {
  display: grid;
  gap: 14px;
}

.table-wrap {
  width: 100%;
  overflow-x: auto;
  border: 2px solid var(--line);
  background: #fff;
}

.data-table {
  width: 100%;
  min-width: 720px;
  border-collapse: collapse;
  background: #fff;
}

.data-table th,
.data-table td {
  padding: 12px 14px;
  border: 1px solid rgba(18, 25, 39, .82);
  text-align: left;
  vertical-align: top;
}

.data-table th {
  background: var(--sun);
  color: var(--line);
  font-weight: 950;
}

.data-table tr:nth-child(even) td {
  background: #fff7df;
}

.note-box {
  border: 3px dashed var(--line);
  background: #fff;
  padding: 16px;
  font-weight: 800;
}

.timeline-item {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 18px;
  border: 2px solid var(--line);
  background: #fff;
  padding: 18px;
}

.timeline-item time,
.timeline-item strong {
  font-weight: 950;
  color: var(--pink);
}

.faq-list {
  display: grid;
  gap: 16px;
}

.faq-item {
  padding: 20px;
  box-shadow: 4px 4px 0 var(--ink);
}

.faq-item summary {
  cursor: pointer;
  font-weight: 950;
  color: var(--line);
}

.faq-item p { margin-bottom: 0; }

.page-hero {
  max-width: 1200px;
  margin: 0 auto;
  padding: 48px 22px 24px;
}

.page-hero .comic-panel {
  transform: none;
}

.content-layout {
  max-width: 1200px;
  margin: 0 auto;
  padding: 22px 22px 68px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 290px;
  gap: 24px;
}

.article-body {
  display: grid;
  gap: 18px;
}

.article-body section,
.side-box {
  border: 3px solid var(--line);
  background: var(--cream);
  padding: 22px;
  box-shadow: var(--soft-shadow);
}

.article-body ul,
.article-body ol {
  padding-left: 22px;
}

.article-body li { margin: 8px 0; }

.sidebar {
  display: grid;
  gap: 18px;
  align-content: start;
  position: sticky;
  top: 92px;
}

.side-box a {
  display: block;
  padding: 8px 0;
  font-weight: 800;
  color: var(--pink);
}

.last-updated {
  display: inline-block;
  border: 3px solid var(--line);
  background: var(--mint);
  padding: 6px 10px;
  font-weight: 900;
}

.friend-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.friend-links a {
  border: 2px solid var(--line);
  background: #fff;
  padding: 6px 10px;
  font-weight: 800;
}

.site-footer {
  border-top: 3px solid var(--line);
  background: var(--ink);
  color: #fff;
  padding: 34px 20px;
}

.footer-inner {
  max-width: 1180px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 22px;
  align-items: center;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.footer-links a { color: #fff; font-weight: 800; }

.to-top {
  position: fixed;
  right: 18px;
  bottom: 18px;
  width: 44px;
  height: 44px;
  border: 3px solid var(--line);
  background: var(--sun);
  font-weight: 950;
  box-shadow: 4px 4px 0 var(--line);
  cursor: pointer;
  display: none;
}

.to-top.is-visible { display: block; }

@media (max-width: 980px) {
  .hero,
  .content-layout {
    grid-template-columns: 1fr;
  }

  .hero { min-height: auto; padding-top: 44px; }
  .hero-panel { max-width: 760px; justify-self: stretch; }
  .sidebar { position: static; }
  .data-strip { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .data-strip div { border-bottom: 3px solid var(--line); }
  .data-strip div:nth-child(2n) { border-right: 0; }
  .data-strip div:nth-child(3n) { border-right: 3px solid var(--line); }
  .data-strip div:nth-child(2n) { border-right: 0; }
  .data-strip div:nth-last-child(-n + 3) { border-bottom: 3px solid var(--line); }
  .data-strip div:nth-last-child(-n + 2) { border-bottom: 0; }
}

@media (min-width: 981px) and (max-width: 1120px) {
  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .hero-panel {
    max-width: 760px;
    justify-self: start;
  }

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

@media (max-width: 760px) {
  .nav-toggle { display: grid; place-items: center; }
  .nav-wrap { align-items: flex-start; }
  .nav-links {
    display: none;
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    padding-top: 12px;
  }
  .nav-links.is-open { display: flex; }
  .nav-wrap { flex-wrap: wrap; }
  .nav-links a,
  .nav-links button { width: 100%; text-align: left; }
  h1 { font-size: 42px; }
  .section,
  .hero { padding: 44px 16px; }
  .comic-grid,
  .image-grid,
  .article-grid,
  .route-grid { grid-template-columns: 1fr; }
  .meta-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .hero-panel picture { aspect-ratio: 4 / 3; }
  .caption-tag { position: static; display: inline-block; margin-top: 10px; }
  .hero-panel picture .caption-tag { position: absolute; left: 10px; bottom: 10px; margin-top: 0; }
  .data-strip { grid-template-columns: 1fr; }
  .data-strip div,
  .data-strip div:nth-child(2n),
  .data-strip div:nth-child(3n) { border-right: 0; }
  .data-strip div:nth-last-child(-n + 2) { border-bottom: 3px solid var(--line); }
  .data-strip div:last-child { border-bottom: 0; }
  .timeline-item { grid-template-columns: 1fr; }
  .section-title { display: block; }
  .footer-inner { grid-template-columns: 1fr; }
}

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

/* Protocol-only additions for generated news and managed download confirmation. */
.download-confirm-backdrop { position: fixed; inset: 0; z-index: 600; display: grid; place-items: center; padding: 18px; background: rgba(29,43,68,.66); backdrop-filter: blur(8px); }
.download-confirm-panel { width: min(460px,100%); padding: 28px; border: 3px solid var(--line); border-radius: 8px; background: var(--cream); color: var(--ink); box-shadow: var(--shadow); }
.download-confirm-panel h2 { margin: 0 0 10px; line-height: 1.2; }
.download-confirm-panel p { margin: 0; color: var(--muted); }
.download-confirm-actions { display: flex; justify-content: flex-end; flex-wrap: wrap; gap: 12px; margin-top: 22px; }
.download-confirm-cancel, .download-confirm-continue { min-height: 42px; padding: 0 16px; border: 3px solid var(--line); border-radius: 8px; font: inherit; font-weight: 800; cursor: pointer; box-shadow: var(--shadow); }
.download-confirm-cancel { background: var(--cream); color: var(--ink); }
.download-confirm-continue { background: var(--pink); color: #fff; }
body.my-news-page { background: var(--paper); }
.my-news-shell { width: min(900px, calc(100% - 32px)); margin: 0 auto; padding: 52px 0 72px; }
.my-news-back { display: inline-flex; margin-bottom: 28px; color: var(--deep-pink, var(--pink)); font-weight: 800; }
.my-news-header { margin-bottom: 30px; }
.my-news-header h1 { margin: 0 0 8px; }
.my-news-header p, .my-news-meta { color: var(--muted); }
.my-news-grid { display: grid; gap: 16px; }
.my-news-card, .my-news-article { padding: 24px; border: 3px solid var(--line); border-radius: 8px; background: var(--cream); box-shadow: var(--shadow); }
.my-news-card h2, .my-news-card h3, .my-news-article h1 { margin-top: 0; }
.my-news-card time { display: block; color: var(--muted); font-size: .9rem; }
.my-news-card p, .my-news-content { color: var(--muted); }
.my-news-card a, .my-news-nav a { color: var(--deep-pink, var(--pink)); font-weight: 800; }
.my-news-summary { color: var(--ink); font-weight: 700; }
.my-news-content { margin-top: 24px; }
.my-news-nav { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 28px; }
@media (max-width: 620px) { .my-news-shell { width: min(100% - 24px, 900px); padding: 36px 0 56px; } .download-confirm-actions { justify-content: stretch; } .download-confirm-cancel, .download-confirm-continue { flex: 1 1 120px; } }