:root {
  --tar: #1a1d24;
  --sign: #1f7a4d;
  --sun: #f5d547;
  --ice: #3ee0ff;
  --paper: #f4f1ea;
  --ink: #14161c;
  --muted: #5c6570;
  --nav-shadow: 2px 2px 0 #0b0d12;
  --chunk: 8px 8px 0 #0b0d12;
  --dash: 0 12px 0 rgba(245, 213, 71, 0.35);
  --bar: 72px;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: var(--bar); }
body {
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  color: var(--ink);
  background: var(--tar);
  padding-top: var(--bar);
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
.ln-wrap { width: min(1160px, calc(100% - 40px)); margin: 0 auto; }
.ln-eye {
  display: inline-flex; align-items: center; gap: 8px;
  letter-spacing: 0.2em; font-size: 11px; font-weight: 800; color: var(--ice);
}
.ln-eye i {
  width: 8px; height: 8px; border-radius: 50%; background: var(--ice);
  box-shadow: 0 0 14px rgba(62, 224, 255, 0.7);
  animation: ln-pulse 2.5s ease-in-out infinite;
}
.ln-eye.dark { color: var(--tar); }
.ln-eye.dark i { background: var(--tar); box-shadow: none; }
h1 { font-size: clamp(36px, 5.5vw, 58px); line-height: 0.95; letter-spacing: -0.03em; }
h2 { font-size: clamp(26px, 3.2vw, 38px); margin: 8px 0 10px; }
.ln-lead { font-size: clamp(18px, 2vw, 24px); font-weight: 700; margin: 10px 0 12px; }
.ln-sum, .ln-hint { line-height: 1.8; max-width: 38em; }
.ln-sum { color: #d7efe3; }
.ln-hint { color: var(--muted); }
.ln-cap { margin-top: 14px; font-size: 12px; color: #b7dcc8; }
.ln-btns { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
.ln-btns a, .ln-half a, .ln-go {
  display: inline-flex; align-items: center; justify-content: center;
  font-weight: 800; box-shadow: var(--nav-shadow);
}
.ln-btns a { min-height: 44px; padding: 0 20px; }
.ln-btns .a { background: var(--sun); color: var(--tar); }
.ln-btns .b { background: #fff; color: var(--sign); }
.ln-btns .a:hover, .ln-go:hover { filter: brightness(1.06); }

.ln-bar {
  position: fixed; inset: 0 0 auto; height: var(--bar); z-index: 50;
  background: var(--tar); border-bottom: 3px solid var(--sun);
}
.ln-bar-in {
  width: min(1160px, calc(100% - 32px)); height: 100%; margin: 0 auto;
  display: flex; align-items: center; gap: 18px;
}
.ln-brand { display: flex; align-items: center; gap: 10px; color: #fff; font-weight: 800; }
.ln-brand small { display: block; font-size: 10px; letter-spacing: 0.16em; color: #8b93a0; font-weight: 600; }
.ln-mark-img {
  width: 40px; height: 40px; object-fit: cover;
  box-shadow: var(--nav-shadow);
}
.ln-nav { margin-left: auto; display: flex; gap: 22px; }
.ln-nav a { color: #d8dde6; font-size: 14px; font-weight: 700; }
.ln-nav a:hover { color: var(--sun); }
.ln-go { background: var(--sun); color: var(--tar); padding: 8px 14px; }
.ln-menu { display: none; color: var(--sun); font-weight: 800; margin-left: auto; }

.ln-hero { padding: 0; background: var(--tar); }
.ln-gantry {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 0;
  width: min(1160px, calc(100% - 40px));
  margin: 28px auto 48px;
  box-shadow: var(--chunk);
}
.ln-sign {
  background: var(--sign);
  color: #fff;
  padding: 28px 28px 24px;
  border-bottom: 10px solid var(--sun);
}
.ln-km {
  font-size: 12px; letter-spacing: 0.28em; font-weight: 800; color: var(--sun);
}
.ln-board {
  margin: 0;
  background: #11141a;
  padding: 28px 16px 0;
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.ln-light {
  position: absolute; left: 50%; top: 10px; width: 72px; height: 8px; margin-left: -36px;
  background: var(--sun); box-shadow: 0 0 18px rgba(245, 213, 71, 0.8);
  animation: ln-pulse 2.8s ease-in-out infinite;
}
.ln-board img {
  width: 220px;
  height: auto;
  margin-top: 18px;
}
.ln-board figcaption {
  padding: 10px 4px 12px; color: var(--ice); font-size: 12px; letter-spacing: 0.12em;
}

.ln-lanes { padding: 56px 0; background: var(--sun); color: var(--tar); }
.ln-road {
  margin-top: 22px;
  display: grid;
  grid-template-columns: 1.6fr 0.7fr 0.7fr;
  gap: 14px;
  padding-top: 12px;
  border-top: 6px dashed var(--tar);
}
.ln-road article { background: var(--tar); color: #fff; padding: 12px; }
.ln-road span { display: block; font-size: 12px; letter-spacing: 0.14em; color: var(--sun); margin-bottom: 8px; font-weight: 800; }
.ln-road .wide img { width: 228px; height: auto; margin: 0 auto; }
.ln-road article:not(.wide) img { width: 196px; height: auto; margin: 0 auto; }
.ln-road p { margin-top: 8px; font-size: 14px; line-height: 1.6; color: #cfd5de; }
.ln-road article:hover { outline: 3px solid var(--ice); }

.ln-route { padding: 56px 0; background: var(--tar); color: #fff; }
.ln-route .ln-hint { color: #9aa3b0; }
.ln-stops {
  list-style: none;
  margin-top: 28px;
  border-left: 6px solid var(--ice);
  padding-left: 28px;
}
.ln-stops li {
  position: relative;
  padding: 0 0 28px 8px;
}
.ln-stops li::before {
  content: "";
  position: absolute; left: -37px; top: 6px;
  width: 16px; height: 16px; border-radius: 50%;
  background: var(--tar); border: 4px solid var(--ice);
}
.ln-stops .on::before { background: var(--sun); border-color: var(--sun); }
.ln-stops b { display: block; color: var(--sun); margin-bottom: 4px; }
.ln-stops .on img {
  width: 196px; height: auto; margin-top: 12px;
  outline: 3px solid var(--sun);
}
.ln-stops li:hover b { color: var(--ice); }

.ln-tickets { padding: 56px 0; background: var(--paper); color: var(--ink); }
.ln-queue {
  margin-top: 24px;
  display: grid;
  grid-template-columns: repeat(3, minmax(220px, 1fr));
  gap: 16px;
  justify-content: center;
}
.ln-queue article {
  background: #fff;
  padding: 16px 16px 14px;
  box-shadow: var(--dash);
  background-image: repeating-linear-gradient(90deg, transparent 0 6px, rgba(26,29,36,.06) 6px 7px);
}
.ln-queue b {
  display: block; font-size: 28px; letter-spacing: 0.08em; color: var(--sign);
}
.ln-queue time { display: block; font-size: 12px; color: var(--muted); margin: 4px 0 8px; }
.ln-queue p { font-size: 14px; line-height: 1.7; }
.ln-queue article:hover { transform: rotate(-1deg); }

.ln-faq { padding: 56px 0 64px; background: var(--tar); color: #fff; }
.ln-faq .ln-hint { color: #9aa3b0; }
.ln-miles { margin-top: 22px; max-width: 820px; }
.ln-miles details {
  margin-bottom: 12px;
  background: var(--sign);
  box-shadow: 6px 6px 0 var(--sun);
}
.ln-miles summary {
  cursor: pointer; list-style: none; font-weight: 800;
  padding: 16px 18px; display: flex; gap: 14px; align-items: center;
}
.ln-miles summary::-webkit-details-marker { display: none; }
.ln-miles summary span {
  flex: none; background: var(--sun); color: var(--tar);
  padding: 6px 8px; font-size: 12px; letter-spacing: 0.08em;
}
.ln-miles p {
  background: var(--paper); color: #3d454e;
  margin: 0 10px 10px; padding: 14px 16px; line-height: 1.75; font-size: 14px;
}
.ln-miles details[open] { box-shadow: 6px 6px 0 var(--ice); }

.ln-exit { padding: 40px 0 48px; background: var(--sun); }
.ln-led {
  width: min(760px, calc(100% - 40px));
  margin: 0 auto;
  background: #05070a;
  border: 4px solid #2a3140;
  box-shadow: inset 0 0 0 2px #0e141c, 0 0 24px rgba(62, 224, 255, 0.18);
  padding: 12px;
}
.ln-led-head {
  display: flex; justify-content: space-between; align-items: center;
  color: var(--ice); font-size: 12px; letter-spacing: 0.22em; font-weight: 800;
  padding: 6px 10px 12px; border-bottom: 1px solid #1c2430;
}
.ln-led-head em { font-style: normal; color: #5ee0a0; }
.ln-row {
  display: grid; grid-template-columns: 56px 1fr auto; align-items: center;
  gap: 12px; padding: 18px 14px; margin-top: 8px;
  background: #10161f; color: var(--ice); font-weight: 800;
}
.ln-row span { color: var(--sun); letter-spacing: 0.1em; }
.ln-row b { font-size: 28px; }
.ln-row em {
  font-style: normal; background: var(--sun); color: var(--tar);
  padding: 8px 14px; box-shadow: var(--nav-shadow);
}
.ln-row.alt { background: #161d28; color: #fff; }
.ln-row.alt b { color: #fff; }
.ln-row:hover { outline: 2px solid var(--ice); }

.ln-end {
  background: var(--paper); color: var(--ink);
  padding: 26px 0; border-top: 8px solid var(--sign);
}
.ln-end-in { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; }
.ln-end a { color: var(--sign); font-weight: 700; }
.ln-end small { color: var(--muted); }

@keyframes ln-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before { animation: none !important; }
}
@media (max-width: 900px) {
  .ln-nav { display: none; }
  .ln-nav.open {
    display: flex; flex-direction: column; position: absolute; top: var(--bar); left: 0; right: 0;
    background: var(--tar); padding: 16px 20px 20px; gap: 12px;
  }
  .ln-menu { display: block; }
  .ln-gantry, .ln-road, .ln-queue { grid-template-columns: 1fr; }
  .ln-board img { width: 220px; height: auto; }
}