:root {
  --paper: #fbf8f1;
  --ink: #0c1f29;
  --muted: #52636a;
  --line: #d9d1c4;
  --teal: #0c8f92;
  --navy: #062b3b;
  --blue: #dceff0;
  --sand: #efe4d1;
  --orange: #e5623f;
  --white: #fffdf9;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, "Noto Sans SC", "Microsoft YaHei", Arial, sans-serif;
  color: var(--ink);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, .76), rgba(251, 248, 241, .96)),
    radial-gradient(circle at 18% 8%, rgba(12, 143, 146, .16), transparent 32%),
    radial-gradient(circle at 88% 14%, rgba(229, 98, 63, .12), transparent 30%),
    var(--paper);
  letter-spacing: 0;
}
a { color: inherit; }
img { max-width: 100%; display: block; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px clamp(18px, 4vw, 54px);
  background: rgba(251, 248, 241, .92);
  border-bottom: 1px solid rgba(12, 31, 41, .14);
  backdrop-filter: blur(18px);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  min-width: 0;
}
.brand-mark {
  width: 42px;
  height: 42px;
  flex: 0 0 auto;
  background:
    radial-gradient(circle at 60% 42%, #ffffff 0 5px, transparent 6px),
    conic-gradient(from 220deg, var(--teal), #6dd7d6, var(--navy), var(--teal));
  border-radius: 55% 45% 42% 58%;
  box-shadow: inset 0 0 0 2px rgba(255,255,255,.66), 0 8px 20px rgba(6, 43, 59, .18);
}
.brand-copy {
  display: grid;
  gap: 1px;
  min-width: 0;
}
.brand-copy strong { font-size: 1rem; white-space: nowrap; }
.brand-copy span { color: var(--muted); font-size: .76rem; white-space: nowrap; }
.site-nav {
  display: flex;
  gap: 18px;
  align-items: center;
  font-size: .92rem;
}
.site-nav a {
  text-decoration: none;
  border-bottom: 2px solid transparent;
  padding: 8px 0;
}
.site-nav a:hover { border-color: var(--orange); }
.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  background: var(--white);
}
.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  margin: 5px auto;
  background: var(--ink);
}
main {
  width: min(1180px, calc(100% - 36px));
  margin: 0 auto;
}
.front-page {
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(420px, 1.1fr);
  gap: clamp(24px, 5vw, 56px);
  align-items: center;
  padding: clamp(38px, 7vw, 76px) 0 28px;
  border-bottom: 3px double rgba(12, 31, 41, .25);
}
.edition-label {
  margin: 0 0 10px;
  color: var(--orange);
  font-weight: 800;
  font-size: .78rem;
  text-transform: uppercase;
}
h1, h2, h3, p { overflow-wrap: anywhere; }
.masthead h1 {
  margin: 0;
  font-family: Georgia, "Noto Serif SC", "Songti SC", serif;
  font-size: clamp(2.4rem, 5.8vw, 5.35rem);
  line-height: 1.02;
  letter-spacing: 0;
}
.lead {
  color: var(--muted);
  font-size: 1.08rem;
  line-height: 1.9;
  max-width: 680px;
}
.lead-actions,
.inline-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}
.paper-button {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  padding: 12px 18px;
  border: 1px solid var(--ink);
  text-decoration: none;
  font-weight: 800;
}
.paper-button.dark { background: var(--ink); color: white; }
.paper-button.light { background: var(--white); color: var(--ink); }
.coast-visual {
  margin: 0;
  border: 1px solid rgba(12, 31, 41, .2);
  background: var(--white);
  padding: 10px;
  transform: rotate(-.7deg);
  box-shadow: 0 26px 70px rgba(6, 43, 59, .18);
}
.coast-visual img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}
.coast-visual figcaption {
  padding: 9px 2px 0;
  color: var(--muted);
  font-size: .84rem;
}
.dispatch-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-bottom: 1px solid var(--line);
  border-left: 1px solid var(--line);
  margin: 28px 0;
}
.dispatch {
  min-height: 150px;
  padding: 18px;
  border-top: 1px solid var(--line);
  border-right: 1px solid var(--line);
  background: rgba(255,255,255,.62);
  text-decoration: none;
}
.dispatch span {
  display: block;
  color: var(--teal);
  font-weight: 900;
  margin-bottom: 12px;
}
.dispatch strong {
  font-family: Georgia, "Noto Serif SC", serif;
  font-size: 1.08rem;
  line-height: 1.48;
}
.section-head {
  padding: clamp(36px, 6vw, 74px) 0 26px;
  max-width: 820px;
}
.section-head h2 {
  margin: 0;
  font-family: Georgia, "Noto Serif SC", serif;
  font-size: clamp(2rem, 4vw, 3.6rem);
  line-height: 1.1;
}
.section-head p:last-child,
.edition-board > div > p,
.network-strip p,
.notice-sheet p,
.coast-note p,
.simple-columns p,
.article-page p {
  color: var(--muted);
  line-height: 1.9;
}
.edition-board,
.network-strip,
.front-columns,
.help-columns {
  display: grid;
  grid-template-columns: minmax(0, .82fr) minmax(0, 1.18fr);
  gap: 28px;
  padding: 30px 0;
  border-top: 2px solid var(--ink);
}
.edition-board h2,
.network-strip h2,
.headline-column h2,
.briefing-box h2,
.steps-ledger h2,
.notice-sheet h2,
.coast-note h2,
.contact-ticket h2 {
  margin-top: 0;
  font-family: Georgia, "Noto Serif SC", serif;
  font-size: clamp(1.55rem, 2.6vw, 2.5rem);
  line-height: 1.18;
}
.device-rows,
.download-board,
.price-ledger,
.network-ledger,
.simple-columns {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
  border-left: 1px solid var(--line);
  border-top: 1px solid var(--line);
}
.device-rows div,
.download-board article,
.price-ledger div,
.network-ledger div,
.simple-columns article {
  padding: 18px;
  background: rgba(255,255,255,.58);
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.device-rows span,
.network-ledger span,
.price-ledger strong {
  display: block;
  font-weight: 900;
  color: var(--navy);
  margin-bottom: 8px;
}
.network-strip ul,
.steps-ledger ol {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}
.network-strip li,
.steps-ledger li {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 18px;
  padding: 15px 0;
  border-bottom: 1px solid var(--line);
}
.network-strip strong,
.steps-ledger strong { color: var(--teal); }
.network-strip span,
.steps-ledger span { color: var(--muted); line-height: 1.7; }
.front-columns {
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, .8fr);
  align-items: start;
  padding-bottom: 60px;
}
.headline-column {
  display: grid;
  gap: 0;
}
.headline-column > a,
.article-index > a {
  display: grid;
  gap: 8px;
  text-decoration: none;
  padding: 18px 0;
  border-top: 1px solid var(--line);
}
.headline-column time,
.article-index time,
.article-page time {
  color: var(--orange);
  font-weight: 800;
  font-size: .86rem;
}
.headline-column strong,
.article-index h2 {
  font-family: Georgia, "Noto Serif SC", serif;
  font-size: 1.35rem;
  margin: 0;
}
.headline-column span,
.article-index p {
  color: var(--muted);
  line-height: 1.72;
}
.briefing-box,
.notice-sheet,
.coast-note,
.steps-ledger,
.contact-ticket,
.not-found {
  padding: 24px;
  border: 1px solid rgba(12, 31, 41, .22);
  background: linear-gradient(135deg, rgba(220, 239, 240, .86), rgba(255, 253, 249, .92));
}
.download-board { grid-template-columns: repeat(3, 1fr); margin-bottom: 28px; }
.download-board h2,
.simple-columns h2 {
  margin: 0 0 10px;
  font-size: 1.15rem;
}
.price-ledger,
.network-ledger,
.article-index { margin-bottom: 30px; }
.article-index {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0 28px;
}
.article-index span {
  width: fit-content;
  padding: 4px 8px;
  border: 1px solid var(--line);
  color: var(--teal);
  font-weight: 800;
  font-size: .82rem;
}
.help-columns {
  align-items: start;
}
details {
  border-top: 1px solid var(--line);
  padding: 16px 0;
}
details:last-child { border-bottom: 1px solid var(--line); }
summary {
  cursor: pointer;
  font-weight: 900;
  line-height: 1.6;
}
.simple-columns { margin-bottom: 52px; }
.article-page {
  max-width: 860px;
  margin: 0 auto;
  padding: clamp(34px, 6vw, 72px) 0;
}
.article-page header {
  border-bottom: 3px double rgba(12,31,41,.25);
  padding-bottom: 26px;
  margin-bottom: 26px;
}
.article-page h1 {
  margin: 0 0 16px;
  font-family: Georgia, "Noto Serif SC", serif;
  font-size: clamp(2rem, 4.6vw, 4rem);
  line-height: 1.08;
}
.article-page section {
  border-bottom: 1px solid var(--line);
  padding: 14px 0;
}
.article-page h2 {
  font-size: 1.42rem;
  margin: 0 0 8px;
}
.article-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}
.article-links a,
.briefing-box a,
.coast-note a,
.contact-ticket a {
  color: var(--navy);
  font-weight: 900;
}
.not-found {
  max-width: 720px;
  margin: 70px auto;
}
.site-footer {
  display: grid;
  grid-template-columns: minmax(260px, .9fr) minmax(0, 1.1fr);
  gap: 24px;
  padding: 34px clamp(18px, 4vw, 54px);
  border-top: 4px solid var(--ink);
  background: var(--navy);
  color: white;
}
.site-footer p { color: rgba(255,255,255,.74); line-height: 1.75; }
.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  align-content: start;
  justify-content: flex-end;
}
.site-footer a { color: white; }
@media (max-width: 920px) {
  .site-header { align-items: flex-start; }
  .nav-toggle { display: block; flex: 0 0 auto; }
  .site-nav {
    position: absolute;
    inset: 72px 18px auto 18px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 12px;
    background: var(--white);
    border: 1px solid var(--line);
  }
  .site-nav.is-open { display: flex; }
  .site-nav a { padding: 12px; border-bottom: 1px solid var(--line); }
  .front-page,
  .edition-board,
  .network-strip,
  .front-columns,
  .help-columns,
  .site-footer {
    grid-template-columns: 1fr;
  }
  .front-page { padding-top: 32px; }
  .coast-visual { transform: none; }
  .dispatch-grid { grid-template-columns: repeat(2, 1fr); }
  .download-board { grid-template-columns: repeat(2, 1fr); }
  .site-footer nav { justify-content: flex-start; }
}
@media (max-width: 560px) {
  main { width: min(100% - 24px, 1180px); }
  .site-header { padding: 12px; min-height: 68px; }
  .brand-copy strong { max-width: 150px; overflow: hidden; text-overflow: ellipsis; }
  .brand-copy span { font-size: .72rem; }
  .front-page { gap: 22px; }
  .masthead h1 { font-size: 2.22rem; }
  .lead { font-size: .98rem; line-height: 1.78; }
  .dispatch-grid,
  .device-rows,
  .download-board,
  .price-ledger,
  .network-ledger,
  .simple-columns,
  .article-index {
    grid-template-columns: 1fr;
  }
  .dispatch { min-height: auto; }
  .network-strip li,
  .steps-ledger li {
    grid-template-columns: 1fr;
    gap: 6px;
  }
  .paper-button { width: 100%; }
  .site-footer { padding: 28px 18px; }
}