/* ═══════════════════════════════════════════
   赛博牛马号 — 拼豆像素主题样式
   色板：底板灰 #e8e8e8 / 网格线 #d0d0d0 / 描边黑 #2d2d2d
         薄荷绿 #7ecfb3 / 天蓝 #7cc8e8
   ═══════════════════════════════════════════ */

/* ── Reset & Base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --board-gray: #e8e8e8;
  --grid-line: #d0d0d0;
  --pixel-black: #2d2d2d;
  --mint: #7ecfb3;
  --sky: #7cc8e8;
  --mid-gray: #b0b0b0;
  --warm-white: #fafafa;
  --text-main: #333;
  --text-muted: #666;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  font-size: 15px;
  color: var(--text-main);
  background-color: var(--board-gray);
  line-height: 1.7;
}

.pixel-font {
  font-family: 'Press Start 2P', monospace;
  line-height: 1.8;
}

.container {
  max-width: 860px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ── 拼豆底板背景 ── */
.bead-board {
  background-color: var(--board-gray);
  background-image: radial-gradient(circle, var(--grid-line) 1.5px, transparent 1.5px);
  background-size: 12px 12px;
}

/* ── 像素硬边框 ── */
.pixel-border {
  border: 3px solid var(--pixel-black);
  box-shadow: 4px 4px 0 var(--pixel-black);
}

/* ══════════════════════════════════════
   HEADER
   ══════════════════════════════════════ */
.site-header {
  padding: 56px 0 48px;
  border-bottom: 3px solid var(--pixel-black);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 20px;
}

.ship-icon {
  font-size: 40px;
  line-height: 1;
  flex-shrink: 0;
}

.site-title {
  font-family: 'Press Start 2P', monospace;
  font-size: clamp(14px, 3vw, 22px);
  color: var(--pixel-black);
  text-shadow:
    2px 0 0 var(--pixel-black),
    0 2px 0 var(--pixel-black),
    -2px 0 0 var(--pixel-black),
    0 -2px 0 var(--pixel-black);
  letter-spacing: 0.02em;
  margin-bottom: 12px;
}

.site-subtitle {
  font-size: 14px;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}

/* ══════════════════════════════════════
   DESCRIPTION
   ══════════════════════════════════════ */
.section-desc {
  padding: 40px 0;
  background: var(--warm-white);
  border-bottom: 3px solid var(--pixel-black);
}

.desc-card {
  background: var(--warm-white);
  padding: 24px 28px;
  line-height: 1.9;
}

.desc-card p + p { margin-top: 12px; }

.desc-card strong {
  color: var(--pixel-black);
  font-weight: 700;
}

/* ══════════════════════════════════════
   PROJECTS
   ══════════════════════════════════════ */
.section-projects {
  padding: 48px 0 56px;
}

.section-title {
  font-size: clamp(10px, 2vw, 13px);
  color: var(--pixel-black);
  text-align: center;
  margin-bottom: 36px;
  letter-spacing: 0.1em;
}

.tickets-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

/* ── 船票卡片 ── */
.ticket {
  background: var(--warm-white);
  border: 3px solid var(--pixel-black);
  box-shadow: 5px 5px 0 var(--pixel-black);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.ticket-active:hover {
  transform: translate(-2px, -2px);
  box-shadow: 7px 7px 0 var(--pixel-black);
}

.ticket-locked {
  opacity: 0.55;
  cursor: not-allowed;
}

/* Status 标签 */
.ticket-status {
  padding: 10px 16px;
  font-family: 'Press Start 2P', monospace;
  font-size: 9px;
  letter-spacing: 0.08em;
}

.status-active {
  background: var(--mint);
  color: var(--pixel-black);
  animation: breathe 2.4s ease-in-out infinite;
}

.status-locked {
  background: var(--mid-gray);
  color: var(--warm-white);
}

@keyframes breathe {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

/* 撕裂虚线 */
.ticket-tear {
  border-top: 2px dashed #aaa;
  margin: 0;
}

/* 卡片主体 */
.ticket-body {
  padding: 20px 20px 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.ticket-icon {
  font-size: 28px;
  line-height: 1;
}

.ticket-name {
  font-size: clamp(9px, 1.6vw, 11px);
  color: var(--pixel-black);
  letter-spacing: 0.05em;
}

.ticket-desc {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.6;
}

.ticket-number {
  font-family: 'Press Start 2P', monospace;
  font-size: 8px;
  color: var(--mid-gray);
  margin-top: 4px;
}

/* 像素按钮 */
.ticket-btn {
  display: inline-block;
  margin-top: 8px;
  padding: 10px 18px;
  font-family: 'Press Start 2P', monospace;
  font-size: 9px;
  color: var(--pixel-black);
  background: var(--mint);
  border: 2px solid var(--pixel-black);
  box-shadow: 3px 3px 0 var(--pixel-black);
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.1s, box-shadow 0.1s;
  align-self: flex-start;
}

.ticket-btn:hover {
  transform: translate(-1px, -1px);
  box-shadow: 4px 4px 0 var(--pixel-black);
}

.ticket-btn-locked {
  background: var(--mid-gray);
  color: var(--warm-white);
  cursor: not-allowed;
  pointer-events: none;
}

/* ══════════════════════════════════════
   FOOTER
   ══════════════════════════════════════ */
.site-footer {
  background: var(--pixel-black);
  color: var(--mid-gray);
  padding: 28px 0;
  border-top: 3px solid var(--pixel-black);
  font-size: 12px;
}

.footer-beian {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  justify-content: center;
  margin-bottom: 10px;
}

.footer-beian a {
  color: var(--mid-gray);
  text-decoration: none;
  transition: color 0.15s;
}

.footer-beian a:hover { color: var(--mint); }

.footer-divider { color: #555; }

.footer-copy {
  text-align: center;
  color: #555;
  font-size: 11px;
}

/* ══════════════════════════════════════
   RESPONSIVE
   ══════════════════════════════════════ */
@media (max-width: 600px) {
  .site-header { padding: 36px 0 32px; }
  .header-inner { gap: 12px; }
  .ship-icon { font-size: 28px; }
  .tickets-grid { grid-template-columns: 1fr; }
  .footer-beian { flex-direction: column; gap: 6px; }
  .footer-divider { display: none; }
}