/**
 * ORBITAL · 轨道测控站 — starter 主题视觉
 * 深空测控：星野画布 + HUD 玻璃面板 + 状态色驱动的轨道美学。
 * DOM 契约由 shared/js/app-core.js 渲染，本文件只负责视觉。
 */

:root {
  --bg0: #04060d;
  --bg1: #080d1a;
  --panel: rgba(12, 19, 36, 0.58);
  --panel-strong: rgba(9, 14, 27, 0.82);
  --line: rgba(140, 175, 250, 0.14);
  --line-strong: rgba(150, 185, 255, 0.28);
  --ink: #e9effc;
  --ink-dim: rgba(214, 227, 250, 0.62);
  --ink-faint: rgba(196, 210, 238, 0.36);
  --accent: var(--color-accent, var(--state-accent, #39c6d4));
  --ok: #34d399;
  --err: #f87171;
  --warn: #fbbf24;
  --mute: #94a3b8;
  --font-sans: 'Inter', 'PingFang SC', 'Microsoft YaHei', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', 'SFMono-Regular', Consolas, monospace;
  --radius: 14px;
  --nav-h: 64px;
  color-scheme: dark;
}

html[data-theme='light'] {
  --bg0: #e8edf7;
  --bg1: #dfe6f2;
  --panel: rgba(255, 255, 255, 0.62);
  --panel-strong: rgba(255, 255, 255, 0.9);
  --line: rgba(30, 60, 120, 0.14);
  --line-strong: rgba(30, 60, 120, 0.26);
  --ink: #101a2e;
  --ink-dim: rgba(20, 35, 65, 0.66);
  --ink-faint: rgba(20, 35, 65, 0.4);
  color-scheme: light;
}

html[data-corner='sharp'] { --radius: 4px; }
html[data-corner='soft'] { --radius: 22px; }
html[data-density='compact'] { --sec-gap: 56px; }
html[data-density='relaxed'] { --sec-gap: 120px; }

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
html[data-motion='off'] { scroll-behavior: auto; }

body {
  margin: 0;
  background: var(--bg0);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

/* 星野画布：fixed 全屏底景 */
#mc-space-bg {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}
body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(1100px 620px at 78% -10%, color-mix(in srgb, var(--accent) 10%, transparent), transparent 62%),
    radial-gradient(900px 700px at -15% 110%, color-mix(in srgb, var(--accent) 7%, transparent), transparent 60%),
    linear-gradient(180deg, var(--bg0), var(--bg1) 60%, var(--bg0));
  transition: background 0.8s;
}

::selection { background: color-mix(in srgb, var(--accent) 32%, transparent); }

/* ==================== 入场遮罩 ==================== */
#mc-intro {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    radial-gradient(800px 500px at 50% 42%, rgba(20, 34, 64, 0.5), transparent 70%),
    var(--bg0);
  transition: opacity 0.6s ease, visibility 0.6s;
}
#mc-intro.is-done { opacity: 0; visibility: hidden; }
.intro-shell {
  width: min(480px, 86vw);
  color: var(--ink);
  font-family: var(--font-mono);
}
.intro-head, .intro-foot {
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--ink-faint);
}
.intro-mid { padding: 44px 0 38px; text-align: center; }
.intro-ring { position: relative; width: 92px; height: 92px; margin: 0 auto 26px; }
.intro-ring i {
  position: absolute;
  inset: 0;
  border: 1px solid var(--accent, #39c6d4);
  border-radius: 50%;
  opacity: 0;
  animation: intro-ripple 2.1s ease-out infinite;
}
.intro-ring i:nth-child(2) { animation-delay: 0.7s; }
.intro-ring i:nth-child(3) { animation-delay: 1.4s; }
.intro-ring::after {
  content: '';
  position: absolute;
  inset: 38px;
  border-radius: 50%;
  background: var(--accent, #39c6d4);
  box-shadow: 0 0 18px var(--accent, #39c6d4);
  animation: intro-core 1.05s ease-in-out infinite alternate;
}
@keyframes intro-ripple { 0% { transform: scale(0.35); opacity: 0.9; } 100% { transform: scale(1.25); opacity: 0; } }
@keyframes intro-core { from { transform: scale(0.8); } to { transform: scale(1.15); } }
.intro-name {
  font-family: var(--font-sans);
  font-size: 26px;
  font-weight: 800;
  letter-spacing: 0.06em;
  margin-bottom: 10px;
}
.intro-step { font-size: 11.5px; letter-spacing: 0.14em; color: var(--ink-dim); min-height: 1.5em; }
.intro-track {
  height: 2px;
  background: rgba(140, 175, 250, 0.16);
  margin: 6px 0 10px;
  overflow: hidden;
}
.intro-track i {
  display: block;
  height: 100%;
  width: 0;
  background: var(--accent, #39c6d4);
  box-shadow: 0 0 12px var(--accent, #39c6d4);
  transition: width 0.2s linear;
}

/* ==================== 导航 ==================== */
.nav {
  position: sticky;
  top: 0;
  z-index: 60;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  background: color-mix(in srgb, var(--bg0) 62%, transparent);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  max-width: 1240px;
  margin: 0 auto;
  height: var(--nav-h);
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 20px;
}
.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  text-decoration: none;
  font-weight: 800;
  font-size: 16px;
  letter-spacing: 0.04em;
}
.nav-brand img { width: 26px; height: 26px; border-radius: 6px; object-fit: cover; }
.nav-brand-tag {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.22em;
  color: var(--accent);
  border: 1px solid color-mix(in srgb, var(--accent) 45%, transparent);
  padding: 2px 6px;
  border-radius: 4px;
}
.nav-links { display: flex; gap: 4px; margin-left: auto; }
.nav-links a {
  color: var(--ink-dim);
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  padding: 8px 13px;
  border-radius: 8px;
  border: 1px solid transparent;
  transition: color 0.25s, border-color 0.25s, background 0.25s;
}
.nav-links a:hover {
  color: var(--ink);
  border-color: var(--line-strong);
  background: color-mix(in srgb, var(--accent) 8%, transparent);
}
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  padding: 10px 9px;
  cursor: pointer;
  margin-left: auto;
}
.nav-toggle span { width: 18px; height: 1.6px; background: var(--ink); display: block; }
.nav-clock {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}
.nav-clock::before {
  content: '●';
  font-size: 7px;
  margin-right: 7px;
  vertical-align: 1px;
  animation: blink 2s infinite;
}

/* ==================== HERO ==================== */
.hero { position: relative; z-index: 1; padding: 54px 24px 30px; }
.hero-inner { max-width: 1240px; margin: 0 auto; }
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(300px, 1fr);
  gap: 26px;
  align-items: stretch;
}

/* HUD 面板：四角括号 */
.hud { position: relative; }
.hud-corner {
  position: absolute;
  width: 22px;
  height: 22px;
  border: 1.5px solid color-mix(in srgb, var(--accent) 65%, transparent);
  pointer-events: none;
  transition: border-color 0.5s;
}
.hud-corner.tl { top: -1px; left: -1px; border-right: 0; border-bottom: 0; border-radius: var(--radius) 0 0 0; }
.hud-corner.tr { top: -1px; right: -1px; border-left: 0; border-bottom: 0; border-radius: 0 var(--radius) 0 0; }
.hud-corner.bl { bottom: -1px; left: -1px; border-right: 0; border-top: 0; border-radius: 0 0 0 var(--radius); }
.hud-corner.br { bottom: -1px; right: -1px; border-left: 0; border-top: 0; border-radius: 0 0 var(--radius) 0; }

.hero-main {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  padding: 34px 36px 26px;
  overflow: hidden;
}

/* HUD 扫描线：周期性扫过面板 */
.hero-main::after {
  content: '';
  position: absolute;
  left: 0; right: 0;
  top: -30%;
  height: 26%;
  background: linear-gradient(180deg, transparent, color-mix(in srgb, var(--accent) 7%, transparent) 55%, transparent);
  animation: hud-scan 7s cubic-bezier(0.4, 0, 0.2, 1) infinite;
  pointer-events: none;
}
@keyframes hud-scan {
  0% { transform: translateY(0); opacity: 0; }
  12% { opacity: 1; }
  55% { transform: translateY(560%); opacity: 0.9; }
  100% { transform: translateY(560%); opacity: 0; }
}
html[data-motion='reduced'] .hero-main::after,
html[data-motion='off'] .hero-main::after { animation: none; display: none; }

.status-line { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  padding: 7px 14px;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  color: var(--ink-dim);
  background: color-mix(in srgb, var(--bg0) 40%, transparent);
}
.status-badge .dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--mute);
  box-shadow: 0 0 10px var(--mute);
}
.status-badge[data-tone='success'] { color: var(--ok); border-color: color-mix(in srgb, var(--ok) 45%, transparent); }
.status-badge[data-tone='success'] .dot { background: var(--ok); box-shadow: 0 0 12px var(--ok); animation: blink 1.6s infinite; }
.status-badge[data-tone='error'] { color: var(--err); border-color: color-mix(in srgb, var(--err) 45%, transparent); }
.status-badge[data-tone='error'] .dot { background: var(--err); box-shadow: 0 0 12px var(--err); }
.status-badge[data-tone='warning'] { color: var(--warn); border-color: color-mix(in srgb, var(--warn) 45%, transparent); }
.status-badge[data-tone='warning'] .dot { background: var(--warn); box-shadow: 0 0 12px var(--warn); animation: blink 2.4s infinite; }
@keyframes blink { 50% { opacity: 0.35; } }
.manual-offline {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.12em;
  color: var(--warn);
  border: 1px dashed color-mix(in srgb, var(--warn) 55%, transparent);
  padding: 5px 10px;
  border-radius: 6px;
}

.hero-sub {
  margin: 22px 0 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--ink-faint);
  text-transform: uppercase;
}
.hero-sub:empty { display: none; }
.hero-title {
  margin: 6px 0 10px;
  font-size: clamp(34px, 4.6vw, 56px);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: 0.01em;
  background: linear-gradient(115deg, var(--ink) 55%, color-mix(in srgb, var(--accent) 70%, var(--ink)) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero-motd {
  margin: 0 0 26px;
  color: var(--ink-dim);
  font-size: 14.5px;
  max-width: 46em;
}
.hero-motd .mc-motd-s { font-weight: 700; }

/* 统计格：大数字 */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) - 4px);
  overflow: hidden;
}
.stat {
  position: relative;
  background: color-mix(in srgb, var(--bg0) 42%, transparent);
  padding: 18px 18px 14px;
  overflow: hidden;
  transition: background 0.3s;
}
.stat-value { display: flex; align-items: baseline; gap: 2px; flex-wrap: wrap; }
.stat-num {
  font-family: var(--font-sans);
  font-size: clamp(26px, 2.6vw, 38px);
  font-weight: 800;
  line-height: 1;
  font-variant-numeric: tabular-nums;
  color: var(--ink);
}
.stat-version, .stat-age { font-size: clamp(17px, 1.5vw, 22px); font-weight: 700; }
.stat-cap { color: var(--ink-faint); font-size: 16px; font-variant-numeric: tabular-nums; }
.stat-label {
  display: block;
  margin-top: 9px;
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: 0.18em;
  color: var(--ink-faint);
}

#mc-ecg { width: 100%; height: 92px; margin: 20px 0 4px; display: block; } /* B12: 加高至 92px（升级层同步） */

.address-row { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-top: 14px; }
.address {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 9%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent) 30%, transparent);
  padding: 10px 16px;
  border-radius: 8px;
  letter-spacing: 0.04em;
  word-break: break-all;
}

.btn {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  padding: 11px 18px;
  border-radius: 8px;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: transform 0.18s, box-shadow 0.25s, background 0.25s, color 0.25s, border-color 0.25s;
  border: 1px solid transparent;
}
.btn-solid {
  background: var(--accent);
  color: #05080f;
  font-weight: 700;
  box-shadow: 0 0 0 rgba(0, 0, 0, 0);
}
.btn-solid:hover { transform: translateY(-1px); box-shadow: 0 6px 24px color-mix(in srgb, var(--accent) 38%, transparent); }
html[data-theme='light'] .btn-solid { color: #fff; }
.btn-ghost {
  background: transparent;
  color: var(--ink-dim);
  border-color: var(--line-strong);
}
.btn-ghost:hover { color: var(--ink); border-color: var(--accent); background: color-mix(in srgb, var(--accent) 8%, transparent); }
.btn:disabled { opacity: 0.55; cursor: wait; transform: none; box-shadow: none; }

/* 轨道球面板 */
.hero-orbit { display: flex; flex-direction: column; gap: 10px; min-width: 0; }
.orbit-frame {
  position: relative;
  flex: 1;
  min-height: 380px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  overflow: hidden;
}
#mc-globe { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
.orbit-readout {
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 12px;
  display: flex;
  justify-content: space-between;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
}
.orbit-row { display: flex; gap: 8px; align-items: baseline; }
.orbit-row em { font-style: normal; color: var(--ink-faint); }
.orbit-row b { color: var(--accent); font-weight: 500; }
.orbit-caption {
  margin: 0;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: 0.26em;
  color: var(--ink-faint);
}

/* 服务器页签 */
.server-tabs { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 18px; }
.mc-server-tab {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--ink-dim);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 8px 16px;
  cursor: pointer;
  backdrop-filter: blur(10px);
  transition: all 0.25s;
}
.mc-server-tab:hover { color: var(--ink); border-color: var(--line-strong); }
.mc-server-tab.is-active {
  color: #05080f;
  background: var(--accent);
  border-color: var(--accent);
  font-weight: 700;
  box-shadow: 0 0 20px color-mix(in srgb, var(--accent) 35%, transparent);
}
html[data-theme='light'] .mc-server-tab.is-active { color: #fff; }

/* ==================== 区块 ==================== */
.page { position: relative; z-index: 1; max-width: 1240px; margin: 0 auto; padding: 0 24px 40px; }
section { margin-top: var(--sec-gap, 84px); }
.sec-head {
  display: flex;
  align-items: baseline;
  gap: 16px;
  margin-bottom: 24px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 14px;
  flex-wrap: wrap;
  background: repeating-linear-gradient(90deg, color-mix(in srgb, var(--ink-faint) 55%, transparent) 0 1px, transparent 1px 10px) left bottom / 100% 5px no-repeat;
}
.sec-head.in-card { border-bottom: 0; padding-bottom: 0; margin-bottom: 18px; background: none; }
.sec-index {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--accent);
  letter-spacing: 0.1em;
}
.sec-head h2 { margin: 0; font-size: 24px; font-weight: 800; letter-spacing: 0.02em; }
.sec-note {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.24em;
  color: var(--ink-faint);
}
.sec-foot { text-align: center; margin-top: 22px; }

.card {
  position: relative;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  padding: 24px;
  min-width: 0;
}
.card-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}
.card-head h3, .card-head h2 { margin: 0; font-size: 16px; font-weight: 700; }
.card-head-note { font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.08em; color: var(--ink-faint); }
.head-count { color: var(--accent); font-variant-numeric: tabular-nums; }

.tele-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
}
.chart-card { grid-column: 1 / -1; }
#mc-players-section { grid-column: 1 / -1; }

/* 访客遥测面板 */
.visitor-grid { margin: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: calc(var(--radius) - 6px); overflow: hidden; }
.v-row {
  background: color-mix(in srgb, var(--bg0) 42%, transparent);
  padding: 10px 14px 9px;
  min-width: 0;
}
.v-row dt {
  font-family: var(--font-mono);
  font-size: 8.5px;
  letter-spacing: 0.2em;
  color: var(--ink-faint);
  margin-bottom: 4px;
}
.v-row dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.v-row dd.v-time { color: var(--accent); font-variant-numeric: tabular-nums; }
.chart-wrap { position: relative; height: 300px; }
.chart { position: absolute; inset: 0; }
.chart-fallback {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ink-faint);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
}

/* 排行榜 */
.mc-lb-row {
  display: grid;
  grid-template-columns: 34px 1fr auto auto;
  gap: 12px;
  align-items: center;
  padding: 10px 6px;
  border-bottom: 1px solid var(--line);
  font-size: 13.5px;
}
.mc-lb-row:last-child { border-bottom: 0; }
.mc-lb-row:first-child .mc-lb-rank { color: var(--accent); text-shadow: 0 0 12px color-mix(in srgb, var(--accent) 60%, transparent); }
.mc-lb-rank { font-family: var(--font-mono); font-weight: 700; color: var(--ink-faint); font-size: 13px; }
.mc-lb-name { font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.mc-lb-sessions { font-family: var(--font-mono); font-size: 11px; color: var(--ink-faint); }
.mc-lb-time { font-family: var(--font-mono); font-size: 12px; color: var(--accent); font-variant-numeric: tabular-nums; }

/* 玩家标签 */
.players { display: flex; flex-wrap: wrap; gap: 8px; }
.mc-player-tag {
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 6px 12px;
  border-radius: 6px;
  border: 1px solid var(--line-strong);
  color: var(--ink-dim);
  background: color-mix(in srgb, var(--bg0) 36%, transparent);
}
.mc-player-tag::before {
  content: '';
  display: inline-block;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--ok);
  margin-right: 8px;
  vertical-align: 1px;
}

/* 动态卡片 */
.posts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.mc-post-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
  backdrop-filter: blur(12px);
  transition: transform 0.3s, border-color 0.3s, box-shadow 0.3s;
  display: flex;
  flex-direction: column;
}
.mc-post-card:hover {
  transform: translateY(-4px);
  border-color: color-mix(in srgb, var(--accent) 45%, transparent);
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.35);
}
.mc-post-card.is-pinned { border-color: color-mix(in srgb, var(--accent) 40%, transparent); }
.mc-post-cover { aspect-ratio: 16 / 9; overflow: hidden; background: var(--bg1); }
.mc-post-cover img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform 0.6s; }
.mc-post-card:hover .mc-post-cover img { transform: scale(1.05); }
.mc-post-body { padding: 18px 20px 20px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.mc-post-flags { display: flex; align-items: center; gap: 10px; }
.mc-post-pin {
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: 0.14em;
  color: #05080f;
  background: var(--accent);
  padding: 2px 8px;
  border-radius: 4px;
  font-weight: 700;
}
html[data-theme='light'] .mc-post-pin { color: #fff; }
.mc-post-meta { font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.06em; color: var(--ink-faint); }
.mc-post-title { margin: 0; font-size: 17px; font-weight: 700; line-height: 1.4; }
.mc-post-excerpt {
  margin: 0;
  font-size: 13px;
  color: var(--ink-dim);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* 图集 */
.gallery-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.mc-gallery-item {
  margin: 0;
  position: relative;
  border-radius: calc(var(--radius) - 4px);
  overflow: hidden;
  cursor: zoom-in;
  border: 1px solid var(--line);
  aspect-ratio: 4 / 3;
  background: var(--bg1);
  transition: transform 0.3s, border-color 0.3s;
}
.mc-gallery-item img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform 0.6s, filter 0.4s; }
.mc-gallery-item:hover { transform: translateY(-3px); border-color: color-mix(in srgb, var(--accent) 50%, transparent); }
.mc-gallery-item:hover img { transform: scale(1.07); }
.mc-gallery-item figcaption {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 26px 12px 10px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.08em;
  color: #eaf0fc;
  background: linear-gradient(transparent, rgba(4, 6, 13, 0.82));
  opacity: 0;
  transition: opacity 0.3s;
}
.mc-gallery-item:hover figcaption, .mc-gallery-item:focus-visible figcaption { opacity: 1; }
.chips { display: flex; gap: 8px; flex-wrap: wrap; margin-left: auto; }
.mc-cat-chip {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--ink-dim);
  background: transparent;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  padding: 6px 14px;
  cursor: pointer;
  transition: all 0.25s;
}
.mc-cat-chip:hover { color: var(--ink); }
.mc-cat-chip.is-active { color: #05080f; background: var(--accent); border-color: var(--accent); font-weight: 700; }
html[data-theme='light'] .mc-cat-chip.is-active { color: #fff; }

/* 双列卡 */
.duo { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; align-items: start; }

/* 表单 */
.form { display: flex; flex-direction: column; gap: 10px; margin-bottom: 18px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.form input, .form textarea, .form select {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--ink);
  background: color-mix(in srgb, var(--bg0) 44%, transparent);
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  padding: 11px 14px;
  outline: none;
  width: 100%;
  transition: border-color 0.25s, box-shadow 0.25s;
}
.form input::placeholder, .form textarea::placeholder { color: var(--ink-faint); }
.form input:focus, .form textarea:focus, .form select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 18%, transparent);
}
.form textarea { resize: vertical; min-height: 72px; font-family: var(--font-sans); }
.form .btn { align-self: flex-start; }
.form-inline { flex-direction: row; }
.form-inline input { flex: 1; }
.hp-field { position: absolute !important; left: -9999px !important; opacity: 0; height: 0; }
.wl-result {
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 10px 14px;
  border-radius: 8px;
  border: 1px solid var(--line-strong);
  color: var(--ink-dim);
}
.wl-result[data-tone='success'] { color: var(--ok); border-color: color-mix(in srgb, var(--ok) 45%, transparent); }
.wl-result[data-tone='warning'] { color: var(--warn); border-color: color-mix(in srgb, var(--warn) 45%, transparent); }
.wl-result[data-tone='error'] { color: var(--err); border-color: color-mix(in srgb, var(--err) 45%, transparent); }

/* 留言 */
.comments { display: flex; flex-direction: column; gap: 12px; }
.mc-comment {
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) - 4px);
  padding: 14px 16px;
  background: color-mix(in srgb, var(--bg0) 30%, transparent);
}
.mc-comment-head {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 6px;
  font-size: 13px;
}
.mc-comment-head strong { color: var(--ink); }
.mc-comment-head time { font-family: var(--font-mono); font-size: 10.5px; color: var(--ink-faint); }
.mc-comment p { margin: 0; font-size: 13.5px; color: var(--ink-dim); }
.mc-comment-reply {
  margin-top: 10px;
  padding: 10px 12px;
  border-left: 2px solid var(--accent);
  background: color-mix(in srgb, var(--accent) 7%, transparent);
  border-radius: 0 8px 8px 0;
  font-size: 12.5px;
  color: var(--ink-dim);
}
.mc-comment-reply span {
  display: block;
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: 0.16em;
  color: var(--accent);
  margin-bottom: 4px;
}

/* 页脚 */
.footer {
  position: relative;
  z-index: 1;
  border-top: 1px solid var(--line);
  margin-top: 90px;
  background: color-mix(in srgb, var(--bg0) 72%, transparent);
  backdrop-filter: blur(12px);
}
.footer-inner { max-width: 1240px; margin: 0 auto; padding: 34px 24px 44px; }
.links { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 12px; margin-bottom: 26px; }
.mc-link {
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) - 4px);
  text-decoration: none;
  color: var(--ink);
  transition: border-color 0.25s, transform 0.25s;
}
.mc-link:hover { border-color: color-mix(in srgb, var(--accent) 45%, transparent); transform: translateY(-2px); }
.mc-link strong { font-size: 13.5px; }
.mc-link span { font-family: var(--font-mono); font-size: 10.5px; color: var(--ink-faint); }
.footer-meta {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--ink-faint);
}
.footer-meta a { color: var(--ink-dim); text-decoration: none; }
.footer-meta a:hover { color: var(--accent); }
.footer-desc { max-width: 40em; }
.footer-sig { margin-left: auto; letter-spacing: 0.2em; }

/* 文章弹窗 */
.post-modal {
  position: fixed;
  inset: 0;
  z-index: 120;
  background: rgba(3, 5, 10, 0.72);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.post-modal-panel {
  position: relative;
  width: min(760px, 100%);
  max-height: 84vh;
  overflow-y: auto;
  background: var(--panel-strong);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  padding: 38px 42px;
}
.post-modal-close {
  position: absolute;
  top: 12px;
  right: 14px;
  width: 34px; height: 34px;
  border-radius: 8px;
  border: 1px solid var(--line-strong);
  background: transparent;
  color: var(--ink-dim);
  font-size: 18px;
  cursor: pointer;
  transition: all 0.2s;
}
.post-modal-close:hover { color: var(--ink); border-color: var(--accent); }
.mc-post-detail-title { margin: 0 0 10px; font-size: 26px; font-weight: 800; line-height: 1.3; }
.mc-post-content { font-size: 14.5px; line-height: 1.8; color: var(--ink-dim); margin-top: 16px; }
.mc-post-content h1, .mc-post-content h2, .mc-post-content h3 { color: var(--ink); margin: 1.4em 0 0.5em; }
.mc-post-content img { max-width: 100%; border-radius: 8px; }
.mc-post-content a { color: var(--accent); }
.mc-post-content p { margin: 0.8em 0; }

/* 空态/错误 */
.mc-empty, .mc-error-note { color: var(--ink-faint); font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.06em; }
.mc-error-note button {
  color: var(--accent);
  background: none;
  border: 1px solid color-mix(in srgb, var(--accent) 40%, transparent);
  border-radius: 6px;
  padding: 4px 12px;
  margin-left: 6px;
}

/* 状态刷新闪烁 */
html.mc-status-refreshed .hero-main { animation: hud-flash 0.7s ease; }
@keyframes hud-flash {
  0% { box-shadow: 0 0 0 color-mix(in srgb, var(--state-accent) 0%, transparent); }
  30% { box-shadow: 0 0 42px color-mix(in srgb, var(--state-accent) 30%, transparent); }
  100% { box-shadow: 0 0 0 transparent; }
}

/* ==================== 细节层：HUD 增强 ==================== */
/* 页面网格纸底纹（测控绘图纸） */
.page {
  background-image:
    linear-gradient(color-mix(in srgb, var(--line) 55%, transparent) 1px, transparent 1px),
    linear-gradient(90deg, color-mix(in srgb, var(--line) 55%, transparent) 1px, transparent 1px);
  background-size: 64px 64px;
}

/* 通用卡：四角瞄准括号 */
.card::before {
  content: '';
  position: absolute;
  inset: 7px;
  --cc: color-mix(in srgb, var(--accent) 42%, transparent);
  background:
    linear-gradient(var(--cc), var(--cc)) left top / 10px 1.5px,
    linear-gradient(var(--cc), var(--cc)) left top / 1.5px 10px,
    linear-gradient(var(--cc), var(--cc)) right top / 10px 1.5px,
    linear-gradient(var(--cc), var(--cc)) right top / 1.5px 10px,
    linear-gradient(var(--cc), var(--cc)) left bottom / 10px 1.5px,
    linear-gradient(var(--cc), var(--cc)) left bottom / 1.5px 10px,
    linear-gradient(var(--cc), var(--cc)) right bottom / 10px 1.5px,
    linear-gradient(var(--cc), var(--cc)) right bottom / 1.5px 10px;
  background-repeat: no-repeat;
  opacity: 0.55;
  pointer-events: none;
  transition: opacity 0.35s;
}
.card:hover::before { opacity: 1; }

/* 统计格：顶部能量条 + hover 扫光 */
.stat::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), transparent 72%);
  opacity: 0.25;
  transition: opacity 0.3s;
}
.stat::after {
  content: '';
  position: absolute;
  top: 0; bottom: 0;
  left: -55%;
  width: 42%;
  background: linear-gradient(102deg, transparent, color-mix(in srgb, var(--accent) 13%, transparent), transparent);
  transform: skewX(-14deg);
  transition: left 0.65s cubic-bezier(0.4, 0, 0.2, 1);
  pointer-events: none;
}
.stat:hover { background: color-mix(in srgb, var(--bg0) 26%, transparent); }
.stat:hover::before { opacity: 1; }
.stat:hover::after { left: 125%; }
.stat:hover .stat-num { color: var(--accent); }

/* 通讯卡：终端窗口标题栏 */
.mc-post-body::before {
  content: '';
  display: block;
  height: 10px;
  margin: -2px 0 6px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(circle 3px at 6px 5px, var(--err) 96%, transparent),
    radial-gradient(circle 3px at 18px 5px, var(--warn) 96%, transparent),
    radial-gradient(circle 3px at 30px 5px, var(--ok) 96%, transparent);
  background-repeat: no-repeat;
  opacity: 0.5;
  transition: opacity 0.3s;
}
.mc-post-card:hover .mc-post-body::before { opacity: 1; }

/* 地址框：命令行提示符 + 微光 */
.address { box-shadow: 0 0 16px color-mix(in srgb, var(--accent) 10%, transparent), inset 0 0 14px color-mix(in srgb, var(--accent) 5%, transparent); }
.address::before { content: '❯ '; color: color-mix(in srgb, var(--accent) 65%, transparent); }

/* 图集：档案编号前缀 */
.mc-gallery-item figcaption::before { content: 'FILE // '; color: var(--accent); letter-spacing: 0.14em; }

/* 页脚签名：信号终端光标 */
.footer-sig::after {
  content: '▮';
  margin-left: 8px;
  color: var(--accent);
  animation: blink 1.2s steps(1) infinite;
}

html[data-motion='reduced'] .stat::after,
html[data-motion='off'] .stat::after { display: none; }
html[data-motion='reduced'] .footer-sig::after,
html[data-motion='off'] .footer-sig::after { animation: none; opacity: 0.6; }

/* ==================== 响应式 ==================== */
@media (min-width: 1700px) {
  .nav-inner, .hero-inner, .page, .footer-inner { max-width: 1560px; }
  .gallery-grid { grid-template-columns: repeat(5, 1fr); }
}
@media (max-width: 1020px) {
  .hero-grid { grid-template-columns: 1fr; }
  .orbit-frame { min-height: 320px; }
  .tele-grid { grid-template-columns: 1fr; }
  .posts { grid-template-columns: repeat(2, 1fr); }
  .gallery-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 720px) {
  .hero { padding: 30px 16px 10px; }
  .page { padding: 0 16px 30px; }
  .hero-main { padding: 24px 20px 18px; }
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .posts, .duo { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .nav-links {
    display: none;
    position: absolute;
    top: var(--nav-h);
    left: 0; right: 0;
    flex-direction: column;
    background: var(--panel-strong);
    border-bottom: 1px solid var(--line-strong);
    padding: 10px 16px 16px;
  }
  .nav-links.is-open { display: flex; }
  .nav-toggle { display: flex; }
  .post-modal-panel { padding: 28px 20px; }
  .footer-sig { margin-left: 0; }
  .form-row { grid-template-columns: 1fr; }
  .form-inline { flex-direction: column; }
}

/* 动效偏好 */
html[data-motion='reduced'] .status-badge .dot,
html[data-motion='reduced'] .intro-ring i,
html[data-motion='reduced'] .intro-ring::after { animation: none; }

/* ==================== 电台播放器：轨道测控皮肤 ==================== */
.mc-player__mini {
  background: var(--panel-strong);
  border-color: color-mix(in srgb, var(--accent) 32%, transparent);
  color: var(--ink);
  font-family: var(--font-mono);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 8px 24px rgba(2, 6, 14, 0.4);
}
.mc-player__mini:hover {
  border-color: color-mix(in srgb, var(--accent) 62%, transparent);
  box-shadow: 0 0 18px color-mix(in srgb, var(--accent) 30%, transparent), 0 8px 24px rgba(2, 6, 14, 0.4);
  transform: translateY(-1px);
}
.mc-player__coverbtn { box-shadow: 0 0 0 1.5px color-mix(in srgb, var(--accent) 45%, transparent); }
.mc-player__mini-meta i, .mc-player__band, .mc-player__times { color: var(--ink-dim); opacity: 1; }
.mc-player__panel {
  background: rgba(12, 17, 27, 0.94);
  color: var(--ink);
  border-color: color-mix(in srgb, var(--accent) 24%, transparent);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  font-family: var(--font-mono);
}
.mc-player__bar-progress { background: color-mix(in srgb, var(--accent) 18%, transparent); color: var(--accent); }
.mc-player__list { border-top-color: color-mix(in srgb, var(--accent) 16%, transparent); }
.mc-player .-vol { accent-color: var(--accent); }
.mc-player__list button.is-active { background: color-mix(in srgb, var(--accent) 12%, transparent); }
.mc-player__list button:hover { background: color-mix(in srgb, var(--accent) 9%, transparent); }
.mc-player__controls button:hover, .mc-player__mini-play:hover { background: color-mix(in srgb, var(--accent) 14%, transparent); }
html[data-theme='light'] .mc-player__mini { box-shadow: 0 8px 22px rgba(30, 60, 120, 0.16); }
/* 白昼：展开面板不再保持深色底（深底 + 亮色文字会反转为深字，文字不可见） */
html[data-theme='light'] .mc-player__panel {
  background: var(--panel-strong);
  border-color: color-mix(in srgb, var(--accent) 30%, transparent);
  color: var(--ink);
  box-shadow: 0 18px 44px rgba(30, 60, 120, 0.18);
}
html[data-theme='light'] .mc-player__bar-progress { background: color-mix(in srgb, var(--accent) 14%, transparent); }
html[data-theme='light'] .mc-player__list { border-top-color: color-mix(in srgb, var(--accent) 16%, transparent); }
html[data-theme='light'] .mc-player__list button.is-active { background: color-mix(in srgb, var(--accent) 14%, transparent); }
html[data-theme='light'] .mc-player__list button:hover { background: color-mix(in srgb, var(--accent) 10%, transparent); }
html[data-theme='light'] .mc-player__controls button:hover,
html[data-theme='light'] .mc-player__mini-play:hover { background: color-mix(in srgb, var(--accent) 14%, transparent); }


/* ==================== HUD 测控强化层（2026.08 视觉升级） ==================== */

/* ---------- HUD 角框：能量发光边缘 ---------- */
.hud-corner {
  width: 26px;
  height: 26px;
  border-width: 2px;
  border-color: color-mix(in srgb, var(--accent) 82%, transparent);
  box-shadow:
    0 0 12px color-mix(in srgb, var(--accent) 42%, transparent),
    inset 0 0 7px color-mix(in srgb, var(--accent) 26%, transparent);
}
/* 状态刷新时角框能量脉冲 */
html.mc-status-refreshed .hud-corner { animation: corner-pulse 0.7s ease; }
@keyframes corner-pulse {
  30% { box-shadow: 0 0 28px color-mix(in srgb, var(--accent) 78%, transparent), inset 0 0 12px color-mix(in srgb, var(--accent) 50%, transparent); }
}
html[data-motion='reduced'].mc-status-refreshed .hud-corner,
html[data-motion='off'].mc-status-refreshed .hud-corner { animation: none; }
/* 通用卡角标同步发光 */
.card::before { filter: drop-shadow(0 0 3px color-mix(in srgb, var(--accent) 45%, transparent)); }

/* ---------- 玻璃拟态透光增强 ---------- */
.hero-main, .orbit-frame, .card {
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.06),
    inset 0 0 26px color-mix(in srgb, var(--accent) 4%, transparent),
    0 18px 50px rgba(0, 0, 0, 0.28);
}
html[data-theme='light'] .hero-main,
html[data-theme='light'] .orbit-frame,
html[data-theme='light'] .card {
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.7),
    0 14px 40px rgba(30, 60, 120, 0.12);
}
/* C1: 亮色模式描边与投影加重，HUD 角框去浅蓝辉光改墨蓝 */
html[data-theme='light'] .hero-main,
html[data-theme='light'] .orbit-frame,
html[data-theme='light'] .card {
  border-color: rgba(30, 60, 120, 0.34);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.7),
    0 16px 44px rgba(30, 60, 120, 0.2);
}
html[data-theme='light'] .hud-corner {
  border-color: rgba(30, 58, 95, 0.6);
  box-shadow: none;
}
html[data-theme='light'] .card::before { filter: none; }
html[data-theme='light'] .orbit-frame::after {
  background: radial-gradient(circle at 50% 46%, transparent 32%, rgba(30, 58, 95, 0.05) 47%, transparent 64%);
}
html[data-theme='light'] .orbit-caption { color: var(--ink-dim); }
html[data-theme='light'] #mc-ecg {
  border-color: rgba(30, 58, 95, 0.35);
  box-shadow: inset 0 0 20px rgba(30, 58, 95, 0.08);
}

/* ---------- 深空透光底色（保持 #04060d 基调） ---------- */
body::before {
  background:
    /* B11: 右上地球侧环境光 12% → 10%，配合轨道舱退半格 */
    radial-gradient(1200px 680px at 78% -10%, color-mix(in srgb, var(--accent) 10%, transparent), transparent 62%),
    radial-gradient(980px 760px at -15% 110%, color-mix(in srgb, var(--accent) 9%, transparent), transparent 60%),
    radial-gradient(1400px 900px at 50% 118%, rgba(64, 100, 220, 0.1), transparent 65%),
    linear-gradient(180deg, var(--bg0), var(--bg1) 60%, var(--bg0));
}
/* 轨道球舱：大气边缘光晕（配合 canvas rim light） */
.orbit-frame::after {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  /* B11: 辉光退半格（6% → 3.5%），首屏第一眼落点让给站名 + 状态面板 */
  background: radial-gradient(circle at 50% 46%, transparent 32%, color-mix(in srgb, var(--accent) 3.5%, transparent) 47%, transparent 64%);
}

/* ---------- ECG 示波器舱 ---------- */
#mc-ecg {
  /* B12: 舱位加高至 92px（原 56/64px），底光略增 —— 全站最锋利的隐喻不需寻找即可注意到 */
  height: 92px;
  background: color-mix(in srgb, var(--bg0) 58%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent) 22%, transparent);
  border-radius: 10px;
  box-shadow: inset 0 0 26px color-mix(in srgb, var(--accent) 11%, transparent);
}
/* F4: bpm 读数（舱内右上 mono；60000/interval，flat 态 --） */
.ecg-cabin { position: relative; }
.ecg-bpm {
  position: absolute;
  top: 8px;
  right: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: color-mix(in srgb, var(--accent) 75%, transparent);
  text-shadow: 0 0 8px color-mix(in srgb, var(--accent) 30%, transparent);
  pointer-events: none;
}
html[data-theme='light'] .ecg-bpm { color: rgba(30, 58, 95, 0.7); text-shadow: none; }

/* ---------- 叙事化空态：HUD 无信号虚线框 ---------- */
.mc-empty {
  border: 1px dashed color-mix(in srgb, var(--accent) 32%, transparent);
  border-radius: 8px;
  padding: 14px 16px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

/* ---------- 电台播放器：HUD 胶囊外沿角标 ---------- */
.mc-player__mini {
  position: relative;
  box-shadow:
    0 8px 24px rgba(2, 6, 14, 0.4),
    0 0 16px color-mix(in srgb, var(--accent) 16%, transparent),
    inset 0 1px 0 rgba(255, 255, 255, 0.06);
}
.mc-player__mini::before {
  content: '';
  position: absolute;
  inset: -4px;
  --cc: color-mix(in srgb, var(--accent) 48%, transparent);
  background:
    linear-gradient(var(--cc), var(--cc)) left top / 7px 1.5px,
    linear-gradient(var(--cc), var(--cc)) left top / 1.5px 7px,
    linear-gradient(var(--cc), var(--cc)) right bottom / 7px 1.5px,
    linear-gradient(var(--cc), var(--cc)) right bottom / 1.5px 7px;
  background-repeat: no-repeat;
  opacity: 0.8;
  pointer-events: none;
}

/* ==================== F3: 打印 ==================== */
@media print {
  * { -webkit-print-color-adjust: exact; print-color-adjust: exact; }
  /* 隐藏交互控件：播放器 / 外观面板 / 导航链接与时钟 / 服务器页签 / 表单 / 弹层 */
  .mc-player, .mc-appearance, .nav-links, .nav-clock, .nav-toggle, .server-tabs, .form,
  #mc-post-modal, #mc-lightbox { display: none !important; }
  .hero-grid, .panel, .hud { page-break-inside: avoid; }
}