/* ==========================================================================
   银河总站 · Site Kit V3.1
   深空底色 + 轨道面板 + 粗野主义厚度 + 星图检索隐喻
   ========================================================================== */

:root {
  --void: #060A20;
  --orbit: #121A4A;
  --star: #F3F5FF;
  --paper: #FFFFFF;
  --purple: #6C4CF1;
  --purple-soft: #9E8BFF;
  --cyan: #35E0D0;
  --orange: #FF8A3D;
  --ink: #101534;
  --mist: #A8B0D6;
  --line: #2A3470;
  --mint: #2FD08A;
  --deep: #03060F;

  --font-sans: "Noto Sans SC", "HarmonyOS Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", "Roboto Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, "Courier New", monospace;

  --edge: 2px solid var(--line);
  --shadow-hard: 6px 6px 0 rgba(3, 6, 15, .85);
  --dur: 260ms;
  --ease: ease-out;
  --radius: 2px;
  --gutter: clamp(16px, 4vw, 40px);
  --maxw: 1280px;
}

/* ---------- reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body, h1, h2, h3, h4, h5, h6, p, ul, ol, dl, dd, figure, blockquote, pre { margin: 0; }
ul, ol { padding: 0; list-style: none; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; }
img, svg, picture, video { display: block; max-width: 100%; height: auto; }
table { border-collapse: collapse; }
[hidden] { display: none !important; }

/* ---------- 中文排版基线 ---------- */
body {
  background: var(--void);
  color: var(--star);
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.75;
  font-weight: 400;
  letter-spacing: .01em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 900;
  line-height: 1.16;
  letter-spacing: .02em;
  text-wrap: balance;
}

p { text-wrap: pretty; overflow-wrap: break-word; }

strong, b { font-weight: 700; color: var(--star); }

::selection { background: var(--purple); color: #fff; }

:focus-visible {
  outline: 3px solid var(--cyan);
  outline-offset: 3px;
  border-radius: 1px;
}

.gs-num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: .02em;
}

/* ---------- 跳过导航 ---------- */
.gs-skip {
  position: fixed;
  left: 16px;
  top: -120px;
  z-index: 400;
  padding: 10px 18px;
  background: var(--cyan);
  color: var(--deep);
  font-weight: 800;
  font-size: 14px;
  border: 2px solid var(--deep);
  border-radius: var(--radius);
  box-shadow: 4px 4px 0 rgba(3, 6, 15, .6);
  transition: top var(--dur) var(--ease);
}
.gs-skip:focus { top: 14px; }

/* ---------- 容器 ---------- */
.gs-container {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

/* ==========================================================================
   头部
   ========================================================================== */
.gs-header {
  position: sticky;
  top: 0;
  z-index: 120;
  background: var(--void);
  border-bottom: 2px solid var(--line);
}

/* --- 星轨状态条 --- */
.gs-statusbar {
  background: var(--deep);
  border-bottom: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .05em;
  color: var(--mist);
}
.gs-statusbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  min-height: 36px;
}
.gs-statusbar__text {
  display: flex;
  align-items: center;
  gap: 9px;
  min-width: 0;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
  font-size: 12px;
}
.gs-statusbar__dot {
  flex: none;
  width: 7px;
  height: 7px;
  background: var(--mint);
  box-shadow: 0 0 0 3px rgba(47, 208, 138, .16);
  border-radius: 50%;
  animation: gsPulse 3.6s var(--ease) infinite;
}
.gs-statusbar__aux {
  display: flex;
  align-items: center;
  gap: 16px;
  flex: none;
}
.gs-legacy {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 3px 9px;
  color: var(--orange);
  border: 1px solid rgba(255, 138, 61, .45);
  border-radius: var(--radius);
  font-size: 11.5px;
  letter-spacing: .08em;
  transition: background-color var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.gs-legacy:hover { background: var(--orange); color: var(--deep); border-color: var(--orange); }
.gs-legacy__tick {
  width: 6px;
  height: 6px;
  background: currentColor;
  transform: rotate(45deg);
}
.gs-utility { display: flex; align-items: center; gap: 14px; }
.gs-utility__link {
  color: var(--mist);
  border-bottom: 1px solid transparent;
  padding-bottom: 1px;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.gs-utility__link:hover { color: var(--star); border-bottom-color: var(--purple); }

/* --- 主命令栏 --- */
.gs-header__bar {
  position: relative;
  background:
    radial-gradient(120% 180% at 8% -60%, rgba(108, 76, 241, .30), transparent 62%),
    radial-gradient(90% 150% at 96% 160%, rgba(53, 224, 208, .12), transparent 60%),
    var(--void);
}
.gs-header__inner {
  display: flex;
  align-items: center;
  gap: clamp(12px, 2vw, 26px);
  min-height: 76px;
}

.gs-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: none;
}
.gs-brand__mark {
  position: relative;
  font-size: 20px;
  font-weight: 900;
  letter-spacing: .08em;
  color: var(--star);
  padding-left: 18px;
  white-space: nowrap;
}
.gs-brand__mark::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 10px;
  height: 10px;
  margin-top: -5px;
  border: 2px solid var(--cyan);
  transform: rotate(45deg);
}
.gs-brand__meta {
  display: flex;
  flex-direction: column;
  gap: 3px;
  align-items: flex-start;
}
.gs-brand__badge {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .12em;
  color: var(--cyan);
  background: var(--orbit);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1px 6px;
  line-height: 1.5;
}
.gs-brand__tag {
  font-size: 10.5px;
  letter-spacing: .14em;
  color: var(--mist);
  white-space: nowrap;
}

/* --- 导航容器 --- */
.gs-navwrap {
  display: flex;
  align-items: center;
  gap: clamp(10px, 1.6vw, 22px);
  margin-left: auto;
  min-width: 0;
}
.gs-nav {
  display: flex;
  align-items: center;
  gap: 2px;
  flex-wrap: nowrap;
}
.gs-nav__link {
  position: relative;
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  padding: 8px 10px 9px;
  font-size: 14px;
  font-weight: 500;
  color: var(--mist);
  border: 1px solid transparent;
  border-radius: var(--radius);
  white-space: nowrap;
  transition: color var(--dur) var(--ease), background-color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.gs-nav__link:hover {
  color: var(--star);
  border-color: var(--line);
  background: rgba(18, 26, 74, .8);
}
.gs-nav__index {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .06em;
  color: #5C68B4;
  transition: color var(--dur) var(--ease);
}
.gs-nav__link[aria-current="page"] {
  background: var(--purple);
  border-color: var(--purple);
  color: #fff;
  font-weight: 700;
  box-shadow: 3px 3px 0 rgba(3, 6, 15, .8);
}
.gs-nav__link[aria-current="page"] .gs-nav__index { color: rgba(255, 255, 255, .72); }
.gs-nav__link[aria-current="page"]::after {
  content: "";
  position: absolute;
  left: 10px;
  right: 10px;
  bottom: 3px;
  height: 2px;
  background: var(--cyan);
}

.gs-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: none;
}

/* --- 按钮 --- */
.gs-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 9px 15px;
  font-family: var(--font-sans);
  font-size: 13.5px;
  font-weight: 800;
  letter-spacing: .03em;
  line-height: 1.4;
  border: 2px solid transparent;
  border-radius: var(--radius);
  cursor: pointer;
  white-space: nowrap;
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), background-color var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.gs-btn--primary {
  background: var(--purple);
  color: #fff;
  border-color: var(--purple);
  box-shadow: 4px 4px 0 rgba(3, 6, 15, .85);
}
.gs-btn--primary:hover { background: #7B5DFF; transform: translate(-1px, -1px); box-shadow: 6px 6px 0 rgba(3, 6, 15, .85); }
.gs-btn--ghost {
  background: transparent;
  color: var(--cyan);
  border-color: var(--cyan);
}
.gs-btn--ghost:hover { background: var(--cyan); color: var(--deep); }
.gs-btn--legacy {
  background: transparent;
  color: var(--orange);
  border-color: var(--orange);
  box-shadow: 4px 4px 0 rgba(3, 6, 15, .85);
}
.gs-btn--legacy:hover { background: var(--orange); color: var(--deep); }
.gs-btn--quiet {
  background: var(--paper);
  color: var(--ink);
  border-color: var(--ink);
  box-shadow: 4px 4px 0 rgba(16, 21, 52, .22);
}
.gs-btn--quiet:hover { transform: translate(-1px, -1px); box-shadow: 6px 6px 0 rgba(16, 21, 52, .22); }
.gs-btn:active { transform: translate(2px, 2px); box-shadow: none; }

/* --- 移动导航按钮 --- */
.gs-navtoggle {
  display: none;
  align-items: center;
  gap: 9px;
  padding: 9px 13px;
  background: var(--orbit);
  border: 2px solid var(--line);
  border-radius: var(--radius);
  color: var(--star);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .08em;
  cursor: pointer;
  transition: border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}
.gs-navtoggle:hover { border-color: var(--cyan); }
.gs-navtoggle__icon {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  width: 18px;
  height: 14px;
}
.gs-navtoggle__bar {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--cyan);
  transition: transform var(--dur) var(--ease), opacity 180ms var(--ease);
}
.gs-navtoggle[aria-expanded="true"] .gs-navtoggle__bar:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.gs-navtoggle[aria-expanded="true"] .gs-navtoggle__bar:nth-child(2) { opacity: 0; }
.gs-navtoggle[aria-expanded="true"] .gs-navtoggle__bar:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* --- 滚动进度 --- */
.gs-progress {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2px;
  height: 2px;
  pointer-events: none;
  background: rgba(42, 52, 112, .55);
}
.gs-progress__bar {
  display: block;
  height: 100%;
  width: 100%;
  transform: scaleX(0);
  transform-origin: 0 50%;
  background: linear-gradient(90deg, var(--purple), var(--cyan));
}

/* ==========================================================================
   页脚
   ========================================================================== */
.gs-footer {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(90% 120% at 100% 0%, rgba(108, 76, 241, .18), transparent 60%),
    radial-gradient(70% 110% at 0% 100%, rgba(53, 224, 208, .10), transparent 62%),
    var(--deep);
  border-top: 2px solid var(--line);
  color: var(--mist);
}
.gs-footer__orbit {
  position: absolute;
  right: -8%;
  bottom: -58%;
  width: min(720px, 88vw);
  aspect-ratio: 1;
  border: 1px solid rgba(53, 224, 208, .16);
  border-radius: 50%;
  pointer-events: none;
}
.gs-footer__orbit::before {
  content: "";
  position: absolute;
  inset: 15%;
  border: 1px solid rgba(108, 76, 241, .24);
  border-radius: 50%;
}
.gs-footer__orbit::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 0;
  width: 7px;
  height: 7px;
  margin: -3px 0 0 -3px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 14px rgba(53, 224, 208, .8);
}

.gs-footer__top {
  position: relative;
  display: grid;
  grid-template-columns: minmax(260px, 1.05fr) minmax(0, 2fr);
  gap: clamp(28px, 4vw, 60px);
  padding-block: clamp(40px, 6vw, 76px);
  border-bottom: 1px solid var(--line);
}
.gs-footer__brand { display: flex; flex-direction: column; gap: 12px; }
.gs-footer__word {
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 900;
  letter-spacing: .08em;
  color: var(--star);
}
.gs-footer__badge {
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--cyan);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(18, 26, 74, .9);
  padding: 3px 8px;
}
.gs-footer__summary {
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--mist);
  max-width: 36ch;
}

.gs-footer__cols {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(18px, 2.6vw, 34px);
}
.gs-footer__col { min-width: 0; }
.gs-footer__coltitle {
  display: flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 14px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: .16em;
  color: var(--cyan);
}
.gs-footer__coltitle::before {
  content: "";
  width: 14px;
  height: 2px;
  background: var(--cyan);
  flex: none;
}
.gs-footer__list a {
  display: inline-block;
  padding: 5px 0;
  font-size: 14.5px;
  color: var(--mist);
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.gs-footer__list a:hover {
  color: var(--star);
  border-bottom-color: var(--purple);
}

.gs-footer__contact {
  position: relative;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 18px 30px;
  padding-block: clamp(24px, 3.4vw, 38px);
  border-bottom: 1px solid var(--line);
}
.gs-footer__ci { display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.gs-footer__ci-label {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .16em;
  color: #717CC0;
}
.gs-footer__ci-value {
  font-size: 14.5px;
  color: var(--star);
  overflow-wrap: anywhere;
}

.gs-footer__legal {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px 24px;
  padding-block: 22px clamp(26px, 3vw, 34px);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .04em;
  color: #7A85BF;
}
.gs-footer__legalnote { color: #5F6AAC; }

/* ==========================================================================
   通用排版组件
   ========================================================================== */
.gs-section { padding-block: clamp(48px, 7vw, 96px); }
.gs-section--orbit { background: var(--orbit); color: var(--star); }
.gs-section--light { background: var(--star); color: var(--ink); }
.gs-section--paper { background: var(--paper); color: var(--ink); }
.gs-section--edge { border-block: 2px solid var(--line); }

.gs-section--light .gs-eyebrow, .gs-section--paper .gs-eyebrow { color: #0E8C86; }
.gs-section--light .gs-eyebrow__num, .gs-section--paper .gs-eyebrow__num { color: var(--purple); }
.gs-section--light .gs-lede, .gs-section--paper .gs-lede { color: #3B4270; }
.gs-section--light .gs-h3, .gs-section--paper .gs-h3 { color: var(--purple); }
.gs-section--light .gs-table th, .gs-section--paper .gs-table th { color: #4A5188; }
.gs-section--light .gs-table th,
.gs-section--light .gs-table td,
.gs-section--paper .gs-table th,
.gs-section--paper .gs-table td { border-bottom-color: #D8DCF0; }

.gs-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: .18em;
  color: var(--cyan);
}
.gs-eyebrow__num { color: var(--purple-soft); }

.gs-title {
  font-size: clamp(30px, 4.2vw, 52px);
  font-weight: 900;
  letter-spacing: .02em;
  line-height: 1.1;
}
.gs-title--xl { font-size: clamp(40px, 6vw, 88px); letter-spacing: .015em; }
.gs-h2 {
  font-size: clamp(24px, 3vw, 38px);
  font-weight: 900;
  line-height: 1.16;
}
.gs-h3 {
  font-size: 22px;
  font-weight: 800;
  line-height: 1.32;
  color: var(--purple-soft);
}
.gs-lede {
  font-size: 17px;
  line-height: 1.8;
  color: var(--mist);
  max-width: 66ch;
}

.gs-grid {
  display: grid;
  gap: clamp(16px, 2.4vw, 32px);
}
.gs-grid--7-5 { grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); }
.gs-grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.gs-grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.gs-grid--rail { grid-template-columns: minmax(0, 220px) minmax(0, 1fr); }

/* ---------- 面板 ---------- */
.gs-panel {
  background: var(--orbit);
  border: 2px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-hard);
  padding: clamp(18px, 2.4vw, 28px);
  color: var(--star);
}
.gs-panel--paper {
  background: var(--paper);
  color: var(--ink);
  border-color: var(--ink);
  box-shadow: 6px 6px 0 rgba(16, 21, 52, .18);
}
.gs-panel--cyan { border-color: var(--cyan); }
.gs-panel--orange { border-color: var(--orange); }

/* ---------- 数据卡 ---------- */
.gs-kv { display: flex; flex-direction: column; gap: 5px; min-width: 0; }
.gs-kv__label {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .16em;
  color: var(--mist);
}
.gs-kv__value {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(24px, 2.6vw, 34px);
  font-weight: 700;
  line-height: 1.08;
  color: var(--cyan);
}
.gs-panel--paper .gs-kv__value { color: var(--purple); }
.gs-panel--paper .gs-kv__label { color: #5A6098; }
.gs-kv__unit { font-size: .5em; letter-spacing: .06em; color: var(--mist); margin-left: 4px; }

/* ---------- 表格 ---------- */
.gs-table-wrap {
  overflow-x: auto;
  border: 2px solid var(--line);
  border-radius: var(--radius);
  background: rgba(18, 26, 74, .55);
}
.gs-panel--paper .gs-table-wrap { background: var(--paper); }
.gs-table {
  width: 100%;
  font-size: 14.5px;
  line-height: 1.6;
}
.gs-table th, .gs-table td {
  padding: 11px 13px;
  text-align: left;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}
.gs-table th {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .12em;
  color: var(--mist);
  white-space: nowrap;
}
.gs-table tbody tr { transition: background-color 180ms var(--ease); }
.gs-table tbody tr:hover { background: rgba(108, 76, 241, .16); }
.gs-table tbody tr:last-child th, .gs-table tbody tr:last-child td { border-bottom: 0; }
.gs-table--num td:not(:first-child),
.gs-table--num th:not(:first-child) {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  text-align: right;
}

/* ---------- 筛选按钮 ---------- */
.gs-chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 13px;
  background: transparent;
  border: 2px solid var(--line);
  border-radius: var(--radius);
  color: var(--mist);
  font-size: 13.5px;
  font-weight: 700;
  letter-spacing: .02em;
  cursor: pointer;
  transition: background-color var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.gs-chip:hover { border-color: var(--purple-soft); color: var(--star); }
.gs-chip[aria-pressed="true"] {
  background: var(--purple);
  border-color: var(--purple);
  color: #fff;
  box-shadow: 3px 3px 0 rgba(3, 6, 15, .8);
}
.gs-chip:active { transform: translate(1px, 1px); }
.gs-chip__count {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .04em;
  opacity: .78;
}

/* ---------- 状态点 ---------- */
.gs-status {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 13px;
  color: var(--mist);
}
.gs-status::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--mint);
  box-shadow: 0 0 0 3px rgba(47, 208, 138, .18);
  flex: none;
}
.gs-status--warn { color: var(--orange); }
.gs-status--warn::before { background: var(--orange); box-shadow: 0 0 0 3px rgba(255, 138, 61, .18); }

/* ---------- 图片容器 ---------- */
.gs-media {
  position: relative;
  overflow: hidden;
  border: 2px solid var(--line);
  border-radius: var(--radius);
  background:
    radial-gradient(80% 120% at 20% 0%, rgba(108, 76, 241, .35), transparent 62%),
    var(--orbit);
  aspect-ratio: 16 / 9;
}
.gs-media img, .gs-media picture, .gs-media video, .gs-media svg {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.gs-media--wide { aspect-ratio: 21 / 9; }
.gs-media--tall { aspect-ratio: 3 / 4; }
.gs-media--square { aspect-ratio: 1 / 1; }
.gs-media__caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 26px 14px 11px;
  background: linear-gradient(to top, rgba(3, 6, 15, .94), rgba(3, 6, 15, 0));
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--mist);
}
.gs-media__tag {
  position: absolute;
  top: 10px;
  left: 10px;
  padding: 3px 9px;
  background: var(--purple);
  color: #fff;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .14em;
  border-radius: var(--radius);
}

/* ---------- 面包屑 ---------- */
.gs-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .08em;
  color: var(--mist);
}
.gs-breadcrumb a {
  color: var(--mist);
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.gs-breadcrumb a:hover { color: var(--star); border-bottom-color: var(--purple); }
.gs-breadcrumb__sep { color: var(--line); }
.gs-breadcrumb [aria-current="page"] { color: var(--cyan); }

/* ---------- 索引列表 ---------- */
.gs-indexlist { display: grid; gap: 3px; }
.gs-indexlist a {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 9px 12px;
  border-left: 2px solid var(--line);
  color: var(--mist);
  font-size: 14.5px;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}
.gs-indexlist a:hover {
  color: var(--star);
  border-left-color: var(--cyan);
  background: rgba(108, 76, 241, .12);
}
.gs-indexlist__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--purple-soft);
  flex: none;
}

/* ---------- 提示、分隔、链接 ---------- */
.gs-note {
  padding-left: 13px;
  border-left: 2px solid var(--orange);
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--mist);
}
.gs-divider {
  height: 2px;
  border: 0;
  background: var(--line);
  margin-block: clamp(24px, 4vw, 48px);
}
.gs-link {
  color: var(--cyan);
  border-bottom: 1px solid rgba(53, 224, 208, .42);
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}
.gs-link:hover { border-bottom-color: var(--cyan); color: #7CF2E8; }

/* ---------- 动效 ---------- */
@keyframes gsPulse {
  0%, 100% { opacity: 1; }
  50% { opacity: .42; }
}
@keyframes gsFadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: none; }
}

/* ==========================================================================
   响应式
   ========================================================================== */
@media (max-width: 1180px) {
  .gs-nav__link { font-size: 13px; padding: 7px 8px 8px; gap: 5px; }
  .gs-brand__tag { display: none; }
  .gs-btn { padding: 8px 12px; font-size: 13px; }
}

@media (max-width: 1023px) {
  .gs-navtoggle { display: inline-flex; margin-left: auto; order: 2; }
  .gs-brand { order: 1; }
  .gs-header__inner { min-height: 66px; }

  .gs-navwrap {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    margin-left: 0;
    padding: 14px var(--gutter) 20px;
    background: var(--orbit);
    border-bottom: 2px solid var(--line);
    box-shadow: 0 18px 0 rgba(3, 6, 15, .55);
    max-height: calc(100vh - 116px);
    overflow-y: auto;
  }
  .gs-navwrap[data-open] { display: flex; }

  .gs-nav { flex-direction: column; align-items: stretch; gap: 2px; }
  .gs-nav__link {
    justify-content: flex-start;
    padding: 12px 11px;
    font-size: 15px;
    border-bottom: 1px solid rgba(42, 52, 112, .7);
    border-radius: 0;
  }
  .gs-nav__link[aria-current="page"] { box-shadow: none; }
  .gs-nav__link[aria-current="page"]::after { left: 11px; right: auto; width: 26px; bottom: 6px; }
  .gs-nav__index { font-size: 10.5px; }

  .gs-actions {
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
    margin-top: 16px;
  }
  .gs-actions .gs-btn { width: 100%; padding: 12px 16px; font-size: 14px; }

  .gs-footer__top { grid-template-columns: minmax(0, 1fr); }
  .gs-footer__summary { max-width: 52ch; }
  .gs-grid--7-5, .gs-grid--3, .gs-grid--2, .gs-grid--rail { grid-template-columns: minmax(0, 1fr); }
}

@media (max-width: 720px) {
  body { font-size: 16px; }
  .gs-statusbar__inner { min-height: 32px; gap: 10px; }
  .gs-statusbar__text { font-size: 11px; letter-spacing: .02em; }
  .gs-utility { display: none; }
  .gs-statusbar__aux { gap: 10px; }
  .gs-legacy { font-size: 11px; padding: 2px 7px; }

  .gs-header__inner { min-height: 62px; gap: 10px; }
  .gs-brand__mark { font-size: 18px; padding-left: 16px; }
  .gs-brand__badge { font-size: 10px; }
  .gs-navtoggle { padding: 8px 11px; }

  .gs-footer__cols { grid-template-columns: minmax(0, 1fr); gap: 22px; }
  .gs-footer__contact { grid-template-columns: minmax(0, 1fr); gap: 14px; }
  .gs-footer__legal { flex-direction: column; gap: 6px; font-size: 11px; }
  .gs-footer__orbit { right: -32%; bottom: -42%; opacity: .7; }

  .gs-media--wide { aspect-ratio: 16 / 10; }
  .gs-title--xl { font-size: clamp(34px, 10vw, 48px); }
}

@media (max-width: 420px) {
  .gs-navtoggle__label { display: none; }
  .gs-brand__meta { display: none; }
}

/* 平板横向留白收紧 */
@media (min-width: 721px) and (max-width: 1023px) {
  .gs-footer__cols { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

/* ---------- 降低动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
    scroll-behavior: auto !important;
  }
  .gs-progress__bar { transition: none !important; }
  .gs-skip { transition: none !important; }
}