/* =========================================================
   财神捕鱼 · 夜航内容站 — 共享样式 /assets/site.css
   深海墨蓝水域 + 财神金编号 + 珊瑚橙待复核 + 青绿通过态
   ========================================================= */

/* 1. Reset ------------------------------------------------ */
*,
*::before,
*::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body, h1, h2, h3, h4, h5, p, ul, ol, li, figure, figcaption,
blockquote, dl, dd, table, fieldset { margin: 0; }

ul, ol { padding: 0; list-style: none; }

img, svg, video, canvas { display: block; max-width: 100%; }

a { color: inherit; text-decoration: none; }

button { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; }

table { border-collapse: collapse; width: 100%; }

[hidden] { display: none !important; }

/* 2. 设计变量 --------------------------------------------- */
:root {
  --abyss-950: #04121C;
  --abyss-900: #071B2A;
  --abyss-800: #0B2638;
  --abyss-700: #12384D;

  --gold-500: #E8B04A;
  --gold-300: #F6D58A;
  --coral-500: #FF6B4A;
  --teal-400: #2EC4A6;
  --mist-100: #EAF2F7;
  --slate-400: #7E96A6;

  --ink: var(--mist-100);
  --ink-soft: #B9CBD6;

  --line-gold: rgba(232, 176, 74, .24);
  --line-gold-strong: rgba(232, 176, 74, .5);
  --line-cool: rgba(126, 150, 166, .22);

  --font-display: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "STSong", Georgia, serif;
  --font-body: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", "Roboto Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  --wrap: 1240px;
  --gutter: 20px;
  --header-h: 68px;
  --ease: 180ms cubic-bezier(.3, .7, .3, 1);
}

@media (min-width: 961px) {
  :root { --gutter: 32px; --header-h: 84px; }
}

/* 3. 基础排版 --------------------------------------------- */
body {
  min-height: 100vh;
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 1.0625rem;
  font-weight: 400;
  line-height: 1.7;
  letter-spacing: .01em;
  background-color: var(--abyss-950);
  background-image:
    radial-gradient(140% 90% at 88% -12%, rgba(232, 176, 74, .13), transparent 62%),
    radial-gradient(100% 70% at 0% 4%, rgba(46, 196, 166, .07), transparent 66%),
    linear-gradient(180deg, #04121C 0%, #051824 46%, #04121C 100%);
  background-repeat: no-repeat;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: .01em;
  color: #FFFFFF;
  text-shadow: 0 0 1px rgba(246, 213, 138, .35);
  text-wrap: balance;
}

h1 { font-size: clamp(2.75rem, 7vw, 5.75rem); }
h2 { font-size: clamp(1.75rem, 4vw, 3rem); }
h3 { font-size: clamp(1.15rem, 2vw, 1.5rem); line-height: 1.35; }

p { max-width: 58em; }

strong { color: var(--gold-300); font-weight: 600; }

::selection { background: var(--gold-500); color: var(--abyss-950); }

:focus-visible,
a:focus-visible,
button:focus-visible,
[tabindex]:focus-visible {
  outline: 2px solid var(--gold-300);
  outline-offset: 2px;
  border-radius: 0;
}

/* 4. 布局基座 --------------------------------------------- */
main { display: block; padding-top: var(--header-h); }

[data-hero] {
  margin-top: calc(var(--header-h) * -1);
  padding-top: calc(var(--header-h) + clamp(32px, 6vw, 80px));
}

.wrap {
  width: min(100% - (var(--gutter) * 2), var(--wrap));
  margin-inline: auto;
}

.wrap--narrow { max-width: 860px; }

.section { padding-block: clamp(48px, 7vw, 104px); }
.section--tight { padding-block: clamp(32px, 4vw, 60px); }

.grid { display: grid; gap: clamp(16px, 2.4vw, 32px); }
.grid--12 { grid-template-columns: repeat(12, minmax(0, 1fr)); }

.hair {
  height: 1px;
  width: 100%;
  border: 0;
  background: linear-gradient(90deg, var(--line-gold-strong), rgba(232, 176, 74, .04));
}

/* 5. 头部 ------------------------------------------------- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  color: var(--ink);
  background: linear-gradient(180deg, rgba(4, 18, 28, .94) 0%, rgba(4, 18, 28, .58) 64%, rgba(4, 18, 28, 0) 100%);
  border-bottom: 1px solid transparent;
  transition: background-color var(--ease), border-color var(--ease), box-shadow var(--ease);
}

.site-header[data-scrolled] {
  background: rgba(6, 23, 35, .97);
  border-bottom-color: var(--line-gold-strong);
  box-shadow: 0 18px 44px -34px rgba(0, 0, 0, .95);
  backdrop-filter: blur(8px);
}

.header-bar { position: relative; }

.header-inner {
  width: min(100% - (var(--gutter) * 2), var(--wrap));
  margin-inline: auto;
  min-height: var(--header-h);
  display: flex;
  align-items: center;
  gap: clamp(10px, 2vw, 26px);
}

.skip-link {
  position: fixed;
  top: 8px; left: 8px;
  z-index: 200;
  transform: translateY(-180%);
  background: var(--gold-500);
  color: var(--abyss-950);
  padding: 10px 16px;
  font-size: .875rem;
  font-weight: 600;
  letter-spacing: .08em;
  transition: transform var(--ease);
}

.skip-link:focus,
.skip-link:focus-visible {
  transform: translateY(0);
  outline: 2px solid var(--gold-300);
  outline-offset: 2px;
}

/* 品牌印记：罗盘 */
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 0 0 auto;
  min-height: 44px;
}

.brand-mark {
  position: relative;
  width: 36px; height: 36px;
  flex: 0 0 auto;
  border: 1px solid var(--gold-500);
  border-radius: 50%;
  display: grid;
  place-items: center;
  box-shadow: inset 0 0 0 1px rgba(246, 213, 138, .22), 0 0 0 3px rgba(232, 176, 74, .06);
  transition: border-color var(--ease), box-shadow var(--ease);
}

.brand-mark::before,
.brand-mark::after {
  content: "";
  position: absolute;
  background: var(--gold-300);
  opacity: .45;
}

.brand-mark::before { width: 1px; height: 46%; top: 4%; }
.brand-mark::after { height: 1px; width: 46%; left: 4%; }

.brand-mark__needle {
  width: 9px; height: 9px;
  background: var(--gold-500);
  transform: rotate(45deg);
  box-shadow: 0 0 12px rgba(232, 176, 74, .65);
}

.brand:hover .brand-mark {
  border-color: var(--gold-300);
  box-shadow: inset 0 0 0 1px rgba(246, 213, 138, .4), 0 0 20px rgba(232, 176, 74, .35);
}

.brand-txt { display: flex; flex-direction: column; gap: 3px; line-height: 1.05; }

.brand-name {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.0625rem;
  letter-spacing: .16em;
  color: #FFFFFF;
  text-shadow: 0 0 16px rgba(232, 176, 74, .38);
}

.brand-sub {
  font-family: var(--font-mono);
  font-size: .625rem;
  letter-spacing: .26em;
  color: var(--slate-400);
}

/* 主导航：01–06 序号索引 */
.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(10px, 1.8vw, 24px);
  margin-left: auto;
}

.nav-list { display: flex; align-items: center; gap: clamp(4px, 1.1vw, 16px); }

.nav-item { position: relative; }

.nav-link {
  position: relative;
  display: flex;
  align-items: baseline;
  gap: 6px;
  padding: 9px 2px 11px;
  font-size: .9375rem;
  letter-spacing: .03em;
  color: rgba(234, 242, 247, .84);
  transition: color var(--ease);
}

.nav-num {
  font-family: var(--font-mono);
  font-size: .625rem;
  letter-spacing: .04em;
  color: var(--gold-500);
  opacity: .8;
  font-variant-numeric: tabular-nums;
}

.nav-label { white-space: nowrap; }

.nav-link::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 3px;
  height: 1px;
  background: var(--gold-500);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform var(--ease);
}

.nav-link:hover { color: var(--gold-300); }
.nav-link:hover::after { transform: scaleX(1); }

.nav-link[aria-current="page"] { color: var(--gold-300); }

.nav-link[aria-current="page"]::after {
  transform: scaleX(1);
  background: linear-gradient(90deg, var(--gold-500), rgba(232, 176, 74, 0));
}

.nav-extra { display: none; }
.nav-extra__note {
  font-family: var(--font-mono);
  font-size: .6875rem;
  letter-spacing: .08em;
  color: var(--slate-400);
  text-align: center;
}

/* 工具区 */
.header-tools {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-left: clamp(6px, 1.6vw, 18px);
}

.map-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 40px;
  padding: 9px 12px;
  border: 1px solid rgba(232, 176, 74, .36);
  background: rgba(11, 38, 56, .45);
  color: var(--gold-300);
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .16em;
  transition: background-color var(--ease), border-color var(--ease), color var(--ease);
}

.map-toggle__glyph {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
  width: 12px;
}

.map-toggle__glyph i {
  display: block;
  width: 5px; height: 5px;
  background: currentColor;
  opacity: .85;
}

.map-toggle:hover {
  background: rgba(232, 176, 74, .14);
  border-color: var(--gold-500);
}

.map-toggle[aria-expanded="true"] {
  background: var(--gold-500);
  border-color: var(--gold-500);
  color: var(--abyss-950);
}

.nav-toggle { display: none; }

.nav-toggle__bars { display: grid; gap: 4px; width: 16px; }
.nav-toggle__bars span { display: block; height: 1px; background: currentColor; transition: opacity var(--ease); }

/* 全站内容地图面板 */
.index-map {
  position: absolute;
  top: 100%; left: 0; right: 0;
  background: linear-gradient(180deg, #071B2A 0%, #04121C 100%);
  border-bottom: 1px solid var(--line-gold-strong);
  box-shadow: 0 40px 70px -40px rgba(0, 0, 0, .95);
}

.index-map__inner {
  width: min(100% - (var(--gutter) * 2), var(--wrap));
  margin-inline: auto;
  padding: 26px 0 30px;
}

.index-map__eyebrow {
  font-family: var(--font-mono);
  font-size: .6875rem;
  letter-spacing: .28em;
  color: var(--gold-500);
  margin-bottom: 14px;
}

.index-map__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--line-gold);
  border: 1px solid var(--line-gold);
}

.index-map__cell {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 14px 16px;
  background: var(--abyss-900);
  color: var(--ink);
  transition: background-color var(--ease), color var(--ease);
}

.index-map__cell:hover,
.index-map__cell:focus-visible {
  background: var(--abyss-800);
  color: var(--gold-300);
}

.index-map__num {
  font-family: var(--font-mono);
  font-size: .6875rem;
  letter-spacing: .06em;
  color: var(--gold-500);
  font-variant-numeric: tabular-nums;
}

.index-map__title { font-size: .9375rem; letter-spacing: .03em; }

.index-map__foot {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin-top: 16px;
}

.index-link {
  font-size: .8125rem;
  color: var(--slate-400);
  border-bottom: 1px solid rgba(126, 150, 166, .4);
  padding-bottom: 2px;
  transition: color var(--ease), border-color var(--ease);
}

.index-link:hover { color: var(--gold-300); border-bottom-color: var(--gold-500); }

/* 阅读进度线 */
.scroll-line {
  position: absolute;
  left: 0; bottom: 0;
  height: 2px;
  width: 0;
  pointer-events: none;
  background: linear-gradient(90deg, var(--gold-500), var(--gold-300) 58%, var(--coral-500));
}

/* 6. 按钮 ------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 46px;
  padding: 12px 22px;
  font-size: .9375rem;
  font-weight: 500;
  letter-spacing: .08em;
  border: 1px solid transparent;
  border-radius: 0;
  text-align: center;
  transition: background-color var(--ease), color var(--ease), border-color var(--ease), transform var(--ease);
}

.btn--gold { background: var(--gold-500); color: #04121C; }
.btn--gold:hover { background: var(--gold-300); }

.btn--coral { background: var(--coral-500); color: #1C0703; }
.btn--coral:hover { background: #FF8869; }

.btn--ghost {
  border-color: rgba(232, 176, 74, .45);
  color: var(--gold-300);
  background: rgba(11, 38, 56, .3);
}

.btn--ghost:hover {
  background: rgba(232, 176, 74, .14);
  border-color: var(--gold-500);
  color: var(--gold-300);
}

.btn--sm { min-height: 38px; padding: 8px 14px; font-size: .8125rem; letter-spacing: .1em; }

.btn--block { display: flex; width: 100%; }

/* 7. 通用排版与内容组件 ----------------------------------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: .6875rem;
  letter-spacing: .28em;
  text-transform: uppercase;
  color: var(--gold-500);
}

.eyebrow::before {
  content: "";
  width: 26px; height: 1px;
  background: currentColor;
  opacity: .7;
}

.section-title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.75rem, 4vw, 3rem);
  line-height: 1.16;
  color: #FFFFFF;
  text-shadow: 0 0 1px rgba(246, 213, 138, .45);
}

.lede {
  margin-top: 14px;
  font-size: 1.0625rem;
  line-height: 1.75;
  color: #C9D9E3;
  max-width: 46em;
}

.tag {
  display: inline-flex;
  align-items: center;
  padding: 2px 9px;
  font-family: var(--font-mono);
  font-size: .6875rem;
  letter-spacing: .12em;
  color: var(--gold-300);
  border: 1px solid var(--line-gold);
  background: rgba(232, 176, 74, .08);
}

.link-more {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  font-size: .875rem;
  letter-spacing: .06em;
  color: var(--gold-300);
  border-bottom: 1px solid transparent;
  transition: border-color var(--ease), color var(--ease);
}

.link-more::after { content: "→"; font-family: var(--font-mono); }
.link-more:hover { border-bottom-color: var(--gold-500); }

.num-badge {
  font-family: var(--font-mono);
  font-size: clamp(1.75rem, 4vw, 3rem);
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--gold-500);
  font-variant-numeric: tabular-nums;
}

.status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 9px;
  font-family: var(--font-mono);
  font-size: .6875rem;
  letter-spacing: .1em;
  border: 1px solid currentColor;
}

.status--pass { color: var(--teal-400); background: rgba(46, 196, 166, .1); }
.status--pending { color: var(--coral-500); background: rgba(255, 107, 74, .1); }
.status--hold { color: var(--slate-400); background: rgba(126, 150, 166, .1); }

.card {
  position: relative;
  padding: clamp(18px, 2.4vw, 28px);
  background: linear-gradient(180deg, rgba(11, 38, 56, .92), rgba(7, 27, 42, .94));
  border: 1px solid rgba(232, 176, 74, .2);
  transition: transform var(--ease), border-color var(--ease), background-color var(--ease);
}

.card:hover,
.card:focus-within {
  transform: translateY(-2px);
  border-color: rgba(232, 176, 74, .55);
}

/* 图片容器基础规则（共享外壳本身不放图） */
.frame {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(232, 176, 74, .22);
  background-image:
    radial-gradient(120% 90% at 82% 8%, rgba(232, 176, 74, .2), transparent 60%),
    radial-gradient(90% 80% at 10% 90%, rgba(46, 196, 166, .12), transparent 62%),
    linear-gradient(160deg, #0B2638 0%, #04121C 62%, #071B2A 100%);
}

.frame::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: .5;
  background-image:
    linear-gradient(rgba(232, 176, 74, .1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(232, 176, 74, .1) 1px, transparent 1px);
  background-size: 34px 34px;
}

.frame > img {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.frame--wide { aspect-ratio: 16 / 9; }
.frame--strip { aspect-ratio: 21 / 9; }
.frame--tall { aspect-ratio: 3 / 4; }
.frame--square { aspect-ratio: 1 / 1; }

.frame-cap {
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .06em;
  color: var(--slate-400);
}

.table-wrap {
  width: 100%;
  overflow-x: auto;
  border: 1px solid var(--line-gold);
  background: rgba(7, 27, 42, .7);
}

.ledger { min-width: 640px; font-size: .9375rem; }
.ledger th,
.ledger td { padding: 12px 14px; text-align: left; border-bottom: 1px solid var(--line-cool); }
.ledger thead th {
  font-family: var(--font-mono);
  font-size: .6875rem;
  font-weight: 500;
  letter-spacing: .16em;
  color: var(--gold-500);
  background: var(--abyss-800);
  white-space: nowrap;
}
.ledger tbody tr:nth-child(even) { background: rgba(11, 38, 56, .55); }
.ledger tbody tr:hover { background: rgba(18, 56, 77, .7); }
.ledger .mono,
.ledger td:first-child { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }

/* 面包屑 */
.breadcrumb {
  width: min(100% - (var(--gutter) * 2), var(--wrap));
  margin-inline: auto;
  padding-top: 24px;
}

.breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .08em;
  color: var(--slate-400);
}

.breadcrumb__item { display: inline-flex; align-items: center; gap: 8px; }
.breadcrumb__item + .breadcrumb__item::before { content: "/"; color: rgba(232, 176, 74, .55); }

.breadcrumb__link { color: var(--slate-400); border-bottom: 1px solid transparent; transition: color var(--ease), border-color var(--ease); }
.breadcrumb__link:hover { color: var(--gold-300); border-bottom-color: var(--gold-500); }

.breadcrumb__current { color: var(--gold-300); }

.breadcrumb__back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-left: auto;
  padding: 4px 10px;
  border: 1px solid var(--line-gold);
  color: var(--gold-300);
  transition: background-color var(--ease), border-color var(--ease);
}

.breadcrumb__back::before { content: "←"; }
.breadcrumb__back:hover { background: rgba(232, 176, 74, .12); border-color: var(--gold-500); }

/* 8. 页脚 ------------------------------------------------- */
.site-footer {
  position: relative;
  margin-top: clamp(48px, 7vw, 96px);
  background: linear-gradient(180deg, #071B2A 0%, #04121C 72%);
  border-top: 1px solid var(--line-gold-strong);
  color: var(--ink);
}

.site-footer::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold-500) 18%, var(--gold-300) 50%, var(--gold-500) 82%, transparent);
  opacity: .85;
}

.footer-top { padding-block: clamp(36px, 5vw, 64px) clamp(28px, 4vw, 48px); }

.footer-grid {
  display: grid;
  grid-template-columns: 1.15fr 1.5fr .95fr 1.1fr;
  gap: clamp(22px, 3vw, 44px);
  align-items: start;
}

.footer-col { min-width: 0; }

.footer-name {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.375rem;
  letter-spacing: .16em;
  color: #FFFFFF;
  text-shadow: 0 0 18px rgba(232, 176, 74, .32);
}

.footer-note {
  margin-top: 10px;
  max-width: 24em;
  font-size: .875rem;
  line-height: 1.75;
  color: var(--ink-soft);
}

.footer-icp {
  margin-top: 16px;
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .08em;
  color: var(--slate-400);
}

.footer-title {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: .8125rem;
  letter-spacing: .22em;
  color: var(--gold-500);
  margin-bottom: 14px;
  text-shadow: none;
}

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

.contact-item {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 10px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line-cool);
}

.contact-label {
  flex: 0 0 auto;
  min-width: 4.6em;
  font-family: var(--font-mono);
  font-size: .6875rem;
  letter-spacing: .14em;
  color: var(--slate-400);
}

.contact-value {
  flex: 1 1 auto;
  min-width: 0;
  font-size: .875rem;
  line-height: 1.6;
  color: var(--ink);
  word-break: break-all;
}

.contact-item--phone .contact-value {
  font-family: var(--font-mono);
  font-size: 1.0625rem;
  letter-spacing: .08em;
  color: var(--gold-300);
  font-variant-numeric: tabular-nums;
}

.copy-btn {
  margin-left: auto;
  align-self: center;
  padding: 3px 9px;
  font-family: var(--font-mono);
  font-size: .6875rem;
  letter-spacing: .1em;
  color: var(--gold-300);
  border: 1px solid var(--line-gold);
  transition: background-color var(--ease), border-color var(--ease), color var(--ease);
}

.copy-btn:hover { background: rgba(232, 176, 74, .14); border-color: var(--gold-500); }

.copy-btn[data-copied] {
  background: var(--teal-400);
  border-color: var(--teal-400);
  color: #04121C;
}

.footer-hours {
  margin-top: 14px;
  max-width: 24em;
  font-size: .75rem;
  line-height: 1.7;
  color: var(--slate-400);
}

.footer-links { display: grid; gap: 9px; }

.footer-link {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  font-size: .875rem;
  color: var(--ink-soft);
  transition: color var(--ease);
}

.footer-link::before { content: "·"; color: var(--gold-500); }
.footer-link:hover { color: var(--gold-300); }

.return-card {
  padding: 16px 16px 18px;
  border: 1px solid var(--line-gold);
  background: linear-gradient(150deg, rgba(232, 176, 74, .1), rgba(11, 38, 56, .55) 62%);
}

.return-card__title {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: .9375rem;
  letter-spacing: .1em;
  color: var(--gold-300);
  text-shadow: none;
}

.return-card__text {
  margin-top: 8px;
  font-size: .8125rem;
  line-height: 1.7;
  color: var(--ink-soft);
}

.return-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }

.footer-legal {
  border-top: 1px solid var(--line-cool);
  background: rgba(4, 18, 28, .78);
}

.legal-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 22px;
  padding-block: 16px;
}

.legal-copy,
.legal-icp {
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .06em;
  color: var(--slate-400);
}

.legal-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  margin-left: auto;
}

.legal-link {
  font-size: .75rem;
  color: var(--slate-400);
  border-bottom: 1px solid transparent;
  transition: color var(--ease), border-color var(--ease);
}

.legal-link:hover { color: var(--gold-300); border-bottom-color: var(--gold-500); }

/* 9. 断点 ------------------------------------------------ */
@media (max-width: 1180px) {
  .header-cta { display: none; }
  .brand-sub { display: none; }
  .nav-link { font-size: .875rem; gap: 4px; }
  .nav-num { font-size: .5625rem; }
  .map-toggle__text { display: none; }
  .map-toggle { padding: 9px 10px; }
}

@media (max-width: 1080px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .index-map__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 960px) {
  .header-inner { gap: 10px; }

  .header-tools { order: 2; margin-left: auto; }

  .nav-toggle {
    order: 3;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    min-height: 40px;
    padding: 9px 12px;
    border: 1px solid rgba(234, 242, 247, .3);
    color: var(--ink);
    font-family: var(--font-mono);
    font-size: .75rem;
    letter-spacing: .16em;
    transition: background-color var(--ease), border-color var(--ease);
  }

  .nav-toggle:hover { border-color: var(--gold-500); color: var(--gold-300); }

  .site-header[data-open] .nav-toggle {
    background: rgba(232, 176, 74, .16);
    border-color: var(--gold-500);
    color: var(--gold-300);
  }

  .site-header[data-open] .nav-toggle__bars span:nth-child(1) { transform: translateY(5px) rotate(45deg); }
  .site-header[data-open] .nav-toggle__bars span:nth-child(2) { opacity: 0; }
  .site-header[data-open] .nav-toggle__bars span:nth-child(3) { transform: translateY(-5px) rotate(-45deg); }
  .nav-toggle__bars span { transition: transform var(--ease), opacity var(--ease); }

  .site-nav {
    position: fixed;
    top: var(--header-h);
    left: 0; right: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    max-height: calc(100vh - var(--header-h));
    overflow-y: auto;
    padding: 6px var(--gutter) 22px;
    background: rgba(5, 21, 32, .985);
    border-top: 1px solid var(--line-gold);
    border-bottom: 1px solid var(--line-gold-strong);
    box-shadow: 0 30px 50px -30px rgba(0, 0, 0, .95);
    margin-left: 0;
  }

  .site-header[data-open] .site-nav,
  .site-nav[data-open] { display: flex; }

  .nav-list { flex-direction: column; align-items: stretch; gap: 0; }

  .nav-item + .nav-item { border-top: 1px solid var(--line-gold); }

  .nav-link {
    padding: 15px 2px;
    font-size: 1rem;
    align-items: baseline;
    gap: 12px;
  }

  .nav-num { font-size: .6875rem; }

  .nav-link::after { display: none; }

  .nav-link[aria-current="page"] {
    color: var(--gold-300);
    background: rgba(232, 176, 74, .09);
    padding-left: 10px;
  }

  .nav-extra {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 16px;
    padding-top: 18px;
    border-top: 1px solid var(--line-gold);
  }

  .index-map__inner { padding: 22px 0 26px; }
}

@media (max-width: 720px) {
  .index-map__grid { grid-template-columns: 1fr; }
  .breadcrumb__back { margin-left: 0; }
  .footer-grid { grid-template-columns: 1fr; }
  .legal-links { margin-left: 0; width: 100%; }
}

@media (max-width: 640px) {
  body { font-size: 1rem; }
  .footer-top { padding-block: 32px 28px; }
  .return-actions .btn { flex: 1 1 auto; }
  .frame--strip { aspect-ratio: 16 / 9; }
}

/* 10. 无障碍与动效偏好 ------------------------------------ */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  *,
  *::before,
  *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }

  .card:hover,
  .card:focus-within { transform: none; }

  .nav-link::after { transition: none; }
  .skip-link { transition: none; }
  .scroll-line { background: var(--gold-500); }
}