:root {
  --bg: #0c0c0c;
  --bg-soft: #0e0e0e;
  --panel: #121212;
  --panel-strong: #181818;
  --border: #292929;
  --text: #f0f0f0;
  --muted: #cccccc;
  --light: #888888;
  --accent: #f05b40;
  --accent-soft: #261713;
  --accent-light: #f58a70;
  --display: "Arial Black", "Microsoft YaHei", sans-serif;
}

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

html { scroll-behavior: auto; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
  line-height: 1.7;
}

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

.container {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 32px 60px;
}

p {
  color: var(--muted);
}

h1, h2, h3 {
  font-weight: 800;
  line-height: 1.2;
}

h1, h2, h3, .logo, .info-number, .member-name, .word {
  font-family: var(--display);
}

h2 {
  font-size: clamp(2.1rem, 3vw, 3rem);
  border-left: 6px solid var(--accent);
  padding-left: 18px;
}

.kicker,
.eyebrow {
  font-size: 0.82rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 14px;
}

.highlight {
  color: var(--text);
  background: rgba(255,255,255,0.04);
  padding: 2px 8px;
  border-radius: 6px;
}

.divider {
  height: 1px;
  background: #292929;
  margin: 112px 0;
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 28px 0 20px;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: #0c0c0c;
  z-index: 10;
}

.nav-status {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--light);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  white-space: nowrap;
}

.nav-status span {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #7ee081;
}

.logo {
  font-size: clamp(1.4rem, 2vw, 2rem);
  font-weight: 900;
  letter-spacing: 0.04em;
}

.logo span {
  color: var(--accent);
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
}

.nav-links a,
.footer-links a {
  color: var(--text);
  text-decoration: none;
  font-size: 0.84rem;
  letter-spacing: 0.12em;
}

.nav-links a:hover,
.footer-links a:hover {
  color: var(--accent);
}

.hero {
  display: grid;
  grid-template-columns: 1.4fr 0.9fr;
  gap: 40px;
  align-items: center;
  padding: 112px 0 48px;
  min-height: 680px;
  position: relative;
}

.hero::before {
  content: "长沙 / 0731";
  position: absolute;
  right: 0;
  top: 24px;
  color: rgba(255,255,255,0.14);
  font-size: 0.72rem;
  letter-spacing: 0.28em;
}

.hero-title {
  font-size: clamp(3.3rem, 8vw, 7rem);
  font-weight: 900;
  line-height: 0.95;
  margin-bottom: 24px;
  letter-spacing: -0.06em;
}

.hero-title .light {
  color: var(--light);
  font-weight: 300;
}

.hero-desc {
  max-width: 620px;
  font-size: 1.18rem;
  color: var(--muted);
  border-left: 3px solid var(--accent);
  padding-left: 18px;
  margin-bottom: 28px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.primary-btn,
.secondary-btn {
  display: inline-block;
  padding: 14px 24px;
  border-radius: 999px;
  text-decoration: none;
}

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

.primary-btn:hover {
  background: var(--accent-light);
}

.secondary-btn {
  border: 1px solid rgba(255,255,255,0.16);
  background: rgba(255,255,255,0.02);
  color: var(--text);
}

.secondary-btn:hover {
  border-color: rgba(255,255,255,0.24);
}

.hero-panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 28px 26px;
  position: relative;
  overflow: hidden;
}

.hero-panel::after {
  content: "声 / 音 / 城";
  position: absolute;
  right: -12px;
  bottom: -12px;
  color: rgba(255,255,255,0.04);
  font-size: 4rem;
  font-weight: 900;
  writing-mode: vertical-rl;
}

.panel-badge {
  color: var(--accent);
  letter-spacing: 0.18em;
  font-size: 0.75rem;
  text-transform: uppercase;
  margin-bottom: 18px;
}

.hero-list {
  list-style: none;
  display: grid;
  gap: 14px;
}

.hero-list li {
  position: relative;
  padding-left: 18px;
  color: var(--muted);
}

.hero-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
}

.info-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin: 28px 0 0;
}

.info-item {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 28px 20px;
  display: grid;
  justify-items: start;
  position: relative;
  overflow: hidden;
}

.info-item::after {
  content: "";
  position: absolute;
  right: -18px;
  bottom: -28px;
  width: 86px;
  height: 86px;
  border: 1px solid rgba(255, 106, 61, 0.2);
  border-radius: 50%;
}

.info-item:hover {
  border-color: rgba(255, 106, 61, 0.45);
  background: var(--accent-soft);
}

.info-number {
  font-size: clamp(2rem, 3vw, 3rem);
  font-weight: 900;
  line-height: 1;
}

.info-label {
  margin-top: 8px;
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--light);
}

.section {
  padding-top: 72px;
  scroll-margin-top: 110px;
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 20px;
  margin-bottom: 32px;
}

.section-tag {
  display: inline-block;
  padding: 8px 18px;
  border: 1px solid rgba(255, 106, 61, 0.5);
  border-radius: 999px;
  color: var(--accent);
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.story-grid {
  display: grid;
  grid-template-columns: 1.3fr 0.9fr;
  gap: 28px;
  align-items: center;
}

.story-text {
  display: grid;
  gap: 18px;
  font-size: 1.12rem;
}

.story-visual {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 24px;
  overflow: hidden;
}

.story-visual img {
  width: 100%;
  height: 420px;
  object-fit: cover;
  display: block;
}

.image-caption {
  padding: 14px 18px;
  font-size: 0.76rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--light);
  background: rgba(255,255,255,0.02);
}

.city-detail-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 24px;
}

.detail-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 20px 18px;
}

.detail-card:hover {
  background: var(--accent-soft);
}

.detail-title {
  color: var(--text);
  font-weight: 800;
  margin-bottom: 10px;
}

.summary-panel {
  margin-top: 28px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-left: 4px solid var(--accent);
  border-radius: 22px;
  padding: 24px 22px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.summary-panel .stat-item {
  padding: 18px 0;
  border-bottom: none;
  border-right: 1px solid rgba(255,255,255,0.08);
}

.summary-panel .stat-item:last-child {
  border-right: none;
}

.summary-panel .stat-number {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--text);
}

.summary-panel .stat-label {
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--light);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 26px 22px;
  min-height: 250px;
}

.feature-card:hover {
  border-color: rgba(255, 106, 61, 0.45);
}

.feature-index {
  display: inline-block;
  font-size: 0.8rem;
  letter-spacing: 0.2em;
  color: var(--accent);
  margin-bottom: 22px;
}

.feature-card h3 {
  margin-bottom: 12px;
  font-size: 1.5rem;
}

.cblock-years {
  color: var(--light);
  letter-spacing: 0.18em;
  font-size: 0.82rem;
}

.cblock-intro {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 28px;
  align-items: center;
  margin-bottom: 28px;
}

.intro-copy {
  display: grid;
  gap: 18px;
}

.quote-box {
  background: var(--accent-soft);
  border: 1px solid rgba(255, 106, 61, 0.25);
  border-radius: 24px;
  padding: 34px 26px;
  font-size: clamp(1.6rem, 2vw, 2.4rem);
  font-weight: 800;
  line-height: 1.4;
  color: var(--text);
}

.quote-box span {
  color: var(--accent);
}

.media-showcase {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr;
  gap: 20px;
  margin: 24px 0 30px;
}

.media-large,
.media-small {
  border-radius: 22px;
  overflow: hidden;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.02);
}

.media-large img,
.media-small img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.media-large img {
  height: 420px;
}

.media-stack {
  display: grid;
  gap: 20px;
}

.media-small img {
  height: 200px;
}

.members-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 30px;
}

.cblock-extension {
  margin-top: 28px;
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 28px;
  padding: 30px;
  border: 1px solid rgba(255, 106, 61, 0.28);
  border-radius: 24px;
  background: #15100f;
}

.extension-heading h3 {
  margin-bottom: 14px;
  font-size: clamp(1.5rem, 3vw, 2.2rem);
}

.extension-heading .kicker {
  margin-bottom: 10px;
}

.extension-list {
  display: grid;
  gap: 12px;
}

.extension-item {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 14px;
  align-items: start;
  padding: 14px 0;
  border-bottom: 1px solid rgba(255,255,255,0.09);
}

.extension-item:last-child {
  border-bottom: none;
}

.extension-number {
  color: var(--accent);
  font-family: var(--display);
  font-size: 1.05rem;
}

.extension-item strong {
  display: block;
  margin-bottom: 3px;
  color: var(--text);
}

.extension-item p {
  font-size: 0.86rem;
}

.member-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 22px;
  padding: 28px 22px;
}

.member-card:hover {
  border-color: rgba(255, 106, 61, 0.38);
}

.member-name {
  font-size: 2rem;
  font-weight: 900;
  margin-bottom: 10px;
}

.member-alias {
  display: inline-block;
  margin-bottom: 14px;
  color: var(--accent);
  letter-spacing: 0.12em;
  font-size: 0.72rem;
  text-transform: uppercase;
}

.member-card p {
  color: var(--muted);
}

.sub-title {
  margin: 36px 0 18px;
  font-size: 1.8rem;
}

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

.album-item {
  background: rgba(255,255,255,0.02);
  border: 1px solid var(--border);
  padding: 14px 18px;
  border-left: 4px solid var(--accent);
  border-radius: 10px;
}

.album-item span {
  margin-left: 10px;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--accent);
}

.dialect-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.dialect-card {
  background: rgba(255,255,255,0.02);
  border: 1px solid var(--border);
  border-top: 4px solid var(--accent);
  border-radius: 20px;
  padding: 28px 22px;
}

.dialect-card:hover {
  background: var(--accent-soft);
}

.word {
  font-size: 2rem;
  font-weight: 900;
  margin-bottom: 12px;
}

.meaning {
  color: var(--muted);
  margin-bottom: 12px;
}

.example {
  color: var(--light);
  font-style: italic;
  border-left: 2px solid var(--accent);
  padding-left: 12px;
}

.timeline {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.city-map {
  margin: 8px 0 34px;
  padding: 18px;
  border: 1px solid var(--border);
  border-radius: 26px;
  background: #101216;
}

.map-topline,
.map-legend {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  color: var(--light);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
}

.map-topline {
  padding: 2px 4px 14px;
}

.map-canvas {
  min-height: 430px;
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.08);
  background: #171b1e;
}

.map-grid {
  position: absolute;
  inset: 0;
  opacity: 0.42;
  background-color: #1b1d1d;
  border-right: 1px solid #252b2b;
}

.xiang-river {
  position: absolute;
  top: -15%;
  left: 41%;
  width: 21%;
  height: 140%;
  background: #173237;
  border-left: 2px solid rgba(83, 202, 205, 0.5);
  border-right: 1px solid rgba(83, 202, 205, 0.28);
}

.xiang-river span {
  position: absolute;
  top: 45%;
  left: -44px;
  color: rgba(126, 224, 224, 0.72);
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  white-space: nowrap;
}

.map-route {
  position: absolute;
  height: 2px;
  background: var(--accent);
}

.route-one { width: 58%; top: 47%; left: 12%; }
.route-two { width: 44%; top: 67%; left: 30%; background: #c99b45; }

.map-pin {
  position: absolute;
  display: grid;
  gap: 2px;
  min-width: 118px;
  padding: 10px 12px;
  border: 1px solid rgba(255,255,255,0.16);
  border-radius: 8px;
  background: rgba(13,14,17,0.86);
}

.map-pin::before {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -7px;
  width: 12px;
  height: 12px;
  border-right: 1px solid rgba(255,255,255,0.16);
  border-bottom: 1px solid rgba(255,255,255,0.16);
  background: rgba(13,14,17,0.86);
}

.map-pin b { color: var(--accent); font-size: 0.66rem; letter-spacing: 0.14em; }
.map-pin strong { font-size: 1rem; }
.map-pin small { color: var(--light); font-size: 0.68rem; }
.pin-wuyi { top: 27%; left: 12%; }
.pin-jiefang { top: 39%; left: 59%; }
.pin-juzi { top: 10%; left: 68%; }
.pin-yuelu { top: 68%; left: 15%; }

.map-compass {
  position: absolute;
  right: 24px;
  top: 24px;
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border: 1px solid var(--accent);
  border-radius: 50%;
  color: var(--accent);
  font-weight: 800;
}

.map-caption {
  position: absolute;
  left: 24px;
  bottom: 20px;
  display: grid;
  gap: 4px;
}

.map-caption span { color: var(--accent); font-size: 0.68rem; letter-spacing: 0.16em; }
.map-caption strong { font-size: clamp(1rem, 2vw, 1.35rem); }

.map-legend {
  justify-content: flex-start;
  flex-wrap: wrap;
  gap: 20px;
  padding: 14px 4px 2px;
}

.map-legend span { display: flex; align-items: center; gap: 7px; }
.legend-dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; }
.legend-dot.live { background: var(--accent); }
.legend-dot.voice { background: #f1c75b; }
.legend-line { width: 20px; height: 2px; display: inline-block; background: #f1c75b; }

.timeline-item {
  background: rgba(255,255,255,0.02);
  border: 1px solid var(--border);
  border-radius: 22px;
  padding: 24px 20px;
  position: relative;
}

.timeline-item:hover {
  border-color: rgba(255, 106, 61, 0.45);
}

.timeline-item:not(:last-child)::after {
  content: "→";
  position: absolute;
  right: -22px;
  top: 50%;
  color: var(--accent);
  font-size: 1.5rem;
}

.time {
  display: inline-block;
  color: var(--accent);
  letter-spacing: 0.12em;
  font-size: 0.75rem;
  text-transform: uppercase;
  margin-bottom: 10px;
}

.timeline-item h3 {
  margin-bottom: 10px;
  font-size: 1.5rem;
}

.cta-banner {
  margin-top: 60px;
  padding: 38px 28px;
  border: 1px solid rgba(255, 106, 61, 0.35);
  background: #18100e;
  border-radius: 28px;
  text-align: center;
}

.cta-banner h2 {
  border: none;
  padding: 0;
  margin-bottom: 12px;
}

.cta-banner p {
  max-width: 720px;
  margin: 0 auto 24px;
  color: var(--muted);
}

footer {
  margin-top: 52px;
  padding-top: 28px;
  border-top: 1px solid var(--border);
  color: var(--light);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  font-size: 0.76rem;
  letter-spacing: 0.1em;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}

.keyword-wall {
  display: grid;
  grid-template-columns: 0.75fr 1.25fr;
  gap: 28px;
  margin-top: 32px;
  padding: 28px;
  background: #101010;
  border: 1px solid var(--border);
  border-left: 4px solid var(--accent);
}

.keyword-heading p:last-child {
  max-width: 420px;
  color: var(--muted);
}

.keyword-list {
  display: flex;
  flex-wrap: wrap;
  align-content: center;
  gap: 12px;
}

.keyword-list span {
  padding: 10px 16px;
  border: 1px solid #3a2723;
  color: var(--accent-light);
  background: var(--accent-soft);
  letter-spacing: 0.08em;
}

.cblock-notes {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 36px;
}

.note-card {
  padding: 26px 24px;
  background: #101010;
  border: 1px solid var(--border);
  border-top: 3px solid var(--accent);
}

.note-card h3 {
  margin-bottom: 14px;
  font-size: 1.35rem;
}

.note-card strong {
  display: block;
  margin-top: 20px;
  color: var(--accent-light);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
}

.quote-note p:not(.kicker) {
  color: var(--text);
  font-size: 1.15rem;
}

@media (max-width: 900px) {
  .hero,
  .story-grid,
  .cblock-intro,
  .feature-grid,
  .members-grid,
  .dialect-grid,
  .timeline,
  .info-strip,
  .city-detail-grid,
  .media-showcase,
  .keyword-wall,
  .cblock-notes {
    grid-template-columns: 1fr;
  }

  .cblock-extension {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 52px;
  }

  .section-header,
  footer {
    flex-direction: column;
    align-items: flex-start;
  }

  .nav-links {
    gap: 10px 18px;
  }

  .nav-status {
    display: none;
  }

  .summary-panel {
    grid-template-columns: repeat(3, 1fr);
  }

  .map-canvas {
    min-height: 420px;
  }

  .timeline-item:not(:last-child)::after {
    display: none;
  }
}

@media (max-width: 560px) {
  .container {
    padding-left: 18px;
    padding-right: 18px;
  }

  nav {
    flex-direction: column;
    align-items: flex-start;
    gap: 18px;
  }

  .nav-links {
    width: 100%;
    overflow-x: auto;
    flex-wrap: nowrap;
    padding-bottom: 4px;
  }

  .nav-links a {
    flex: 0 0 auto;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .primary-btn,
  .secondary-btn {
    text-align: center;
  }

  .hero {
    min-height: auto;
    padding-top: 48px;
  }

  .hero::before {
    top: 12px;
  }

  .hero-title {
    font-size: clamp(3rem, 17vw, 5rem);
  }

  .summary-panel {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .summary-panel .stat-item {
    border-right: none;
    border-bottom: 1px solid rgba(255,255,255,0.05);
  }

  .summary-panel .stat-item:last-child {
    border-bottom: none;
  }

  .story-visual img,
  .media-large img {
    height: 300px;
  }

  .city-map {
    padding: 10px;
  }

  .map-topline {
    align-items: flex-start;
    flex-direction: column;
    gap: 4px;
  }

  .map-canvas {
    min-height: 510px;
  }

  .map-pin {
    min-width: 104px;
    padding: 8px 9px;
  }

  .pin-wuyi { top: 26%; left: 5%; }
  .pin-jiefang { top: 40%; left: auto; right: 4%; }
  .pin-juzi { top: 10%; left: auto; right: 8%; }
  .pin-yuelu { top: 70%; left: 8%; }

  .map-caption {
    left: 16px;
    bottom: 18px;
  }
}