/* =========================================================
   九游会主站 · 共享外壳样式 /assets/site.css
   夜墨底 + 电光青 / 荧光橙信号色 + 暖金点缀
   ========================================================= */

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

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

body,
h1, h2, h3, h4, h5, h6, p, figure, blockquote, dl, dd { margin: 0; }

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

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

button, input, select, textarea { font: inherit; color: inherit; }

button { background: none; border: 0; }

a { color: inherit; }

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

[hidden] { display: none !important; }

main { display: block; }

/* ---------- Tokens ---------- */
:root {
  /* 底色 */
  --ink:        #060B14;
  --ink-2:      #0C1626;
  --ink-3:      #101C30;

  /* 珠宝色分区 */
  --teal-deep:  #0B2E2C;
  --wine:       #3A0E1E;
  --indigo:     #1A1440;

  /* 信号色 */
  --cyan:       #2FF3E0;
  --orange:     #FF7A1A;
  --gold:       #E9B949;

  /* 文字 */
  --paper:      #F2F5F7;
  --mist:       #8FA3B8;
  --term:       #7CE8D9;

  /* 线与面 */
  --line:        rgba(143, 163, 184, .20);
  --line-strong: rgba(143, 163, 184, .38);
  --paper-line:  rgba(242, 245, 247, .14);

  /* 字体 */
  --font-display: "Arial Narrow", "Helvetica Neue Condensed", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-body:    "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --font-mono:    ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;

  /* 度量 */
  --wrap: 1440px;
  --pad: clamp(16px, 3vw, 40px);
  --ticker-h: 36px;
  --cmdbar-h: 74px;
  --head-h: calc(var(--ticker-h) + var(--cmdbar-h));
  --ease: cubic-bezier(.22, .7, .3, 1);
}

/* ---------- 中文排版与页面基线 ---------- */
body {
  min-height: 100vh;
  padding-top: var(--head-h);
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.75;
  letter-spacing: .01em;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

::selection {
  background: var(--cyan);
  color: #04121a;
}

:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  border-radius: 0;
}

[id] { scroll-margin-top: calc(var(--head-h) + 20px); }

/* ---------- 通用文字工具 ---------- */
.mono {
  font-family: var(--font-mono);
  letter-spacing: .06em;
}

.display {
  font-family: var(--font-display);
  font-weight: 900;
  letter-spacing: -.02em;
  line-height: .96;
}

.tnum {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.4em;
  letter-spacing: .08em;
  line-height: 1;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--cyan);
}

.eyebrow::before {
  content: "";
  width: 22px;
  height: 1px;
  background: currentColor;
  flex: none;
}

.section-title {
  margin-top: 10px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(28px, 4.4vw, 44px);
  line-height: 1.05;
  letter-spacing: -.02em;
}

.lede {
  max-width: 680px;
  margin-top: 14px;
  font-size: clamp(15px, 1.6vw, 17px);
  color: rgba(242, 245, 247, .80);
}

.prose {
  max-width: 680px;
  font-size: 16.5px;
  line-height: 1.85;
  color: rgba(242, 245, 247, .88);
}

.prose p { margin-bottom: 1.1em; }
.prose p:last-child { margin-bottom: 0; }

.prose a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 布局容器 ---------- */
.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: var(--pad);
}

.section {
  padding-block: clamp(36px, 6vw, 84px);
}

.section--teal {
  background: linear-gradient(180deg, var(--teal-deep) 0%, #071E1D 100%);
  border-block: 1px solid rgba(47, 243, 224, .16);
}

.section--wine {
  background: linear-gradient(180deg, var(--wine) 0%, #200711 100%);
  border-block: 1px solid rgba(255, 122, 26, .16);
}

.section--indigo {
  background: linear-gradient(180deg, var(--indigo) 0%, #0B0826 100%);
  border-block: 1px solid rgba(233, 185, 73, .18);
}

.grid {
  display: grid;
  gap: clamp(12px, 2vw, 20px);
}

.grid--2 { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.grid--3 { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.grid--4 { grid-template-columns: repeat(auto-fit, minmax(176px, 1fr)); }

/* ---------- 框景 ---------- */
.frame {
  position: relative;
  padding: clamp(20px, 3vw, 44px);
  border: 1px solid var(--line-strong);
  background:
    linear-gradient(160deg, rgba(12, 22, 38, .92) 0%, rgba(6, 11, 20, .92) 100%);
}

.frame::before,
.frame::after {
  content: "";
  position: absolute;
  width: 14px;
  height: 14px;
  border: 2px solid var(--cyan);
  pointer-events: none;
}

.frame::before { top: -1px; left: -1px; border-right: 0; border-bottom: 0; }
.frame::after { right: -1px; bottom: -1px; border-left: 0; border-top: 0; }

/* ---------- 编号章节 ---------- */
.chapter {
  display: grid;
  grid-template-columns: clamp(64px, 9vw, 132px) minmax(0, 1fr);
  gap: clamp(16px, 3vw, 40px);
  padding-block: clamp(28px, 5vw, 56px);
  border-top: 1px solid var(--paper-line);
}

.chapter__num {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(44px, 7vw, 96px);
  line-height: .82;
  letter-spacing: -.03em;
  color: rgba(47, 243, 224, .22);
  -webkit-text-stroke: 1px rgba(47, 243, 224, .55);
  user-select: none;
}

.chapter[data-tone="wine"] .chapter__num {
  color: rgba(255, 122, 26, .24);
  -webkit-text-stroke-color: rgba(255, 122, 26, .58);
}

.chapter[data-tone="indigo"] .chapter__num {
  color: rgba(233, 185, 73, .22);
  -webkit-text-stroke-color: rgba(233, 185, 73, .55);
}

.chapter[data-tone="teal"] .chapter__num {
  color: rgba(47, 243, 224, .22);
  -webkit-text-stroke-color: rgba(47, 243, 224, .55);
}

.chapter__body { max-width: 680px; }

@media (max-width: 720px) {
  .chapter { grid-template-columns: 1fr; gap: 10px; }
  .chapter__num { font-size: 54px; }
  .chapter__body { max-width: none; }
}

/* ---------- 卡片 ---------- */
.card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 20px 20px 22px;
  background: var(--ink-2);
  border: 1px solid var(--line);
  transition: transform .2s var(--ease), border-color .2s var(--ease), background .2s var(--ease);
}

.card:hover {
  transform: translateY(-4px);
  border-color: var(--cyan);
  background: var(--ink-3);
}

.card__tag {
  align-self: flex-start;
  padding: 3px 8px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--term);
  border: 1px solid var(--line-strong);
}

.card__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 20px;
  line-height: 1.22;
  letter-spacing: -.01em;
}

.card__meta {
  margin-top: auto;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .05em;
  color: var(--mist);
}

/* ---------- 筛选按钮组 ---------- */
.chipbar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}

.chip {
  padding: 8px 14px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--mist);
  background: transparent;
  border: 1px solid var(--line-strong);
  cursor: pointer;
  transition: color .16s var(--ease), border-color .16s var(--ease), background .16s var(--ease);
}

.chip:hover {
  color: var(--paper);
  border-color: var(--cyan);
}

.chip[aria-pressed="true"] {
  background: var(--cyan);
  border-color: var(--cyan);
  color: #04121a;
}

@keyframes itemIn {
  from { opacity: 0; transform: translateX(-8px); }
  to   { opacity: 1; transform: translateX(0); }
}

[data-filter-item].is-enter {
  animation: itemIn .18s var(--ease) both;
}

[data-filter-count] {
  font-family: var(--font-mono);
  color: var(--orange);
  font-weight: 700;
}

/* ---------- 媒体容器 ---------- */
.media {
  position: relative;
  display: block;
  width: 100%;
  overflow: hidden;
  background:
    linear-gradient(135deg, rgba(47, 243, 224, .10) 0%, rgba(255, 122, 26, .06) 100%),
    var(--ink-2);
  border: 1px solid var(--line);
}

.media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(90deg, rgba(242, 245, 247, .045) 0 1px, transparent 1px 48px);
  pointer-events: none;
}

.media > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(1.06) contrast(1.08);
}

.media--16x9 { aspect-ratio: 16 / 9; }
.media--4x3  { aspect-ratio: 4 / 3; }
.media--3x4  { aspect-ratio: 3 / 4; }
.media--1x1  { aspect-ratio: 1 / 1; }
.media--wide { aspect-ratio: 21 / 9; }

.media__caption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .04em;
  color: var(--mist);
}

/* ---------- 面包屑 ---------- */
.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding-block: 14px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .06em;
  color: var(--mist);
}

.breadcrumbs a {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .16s var(--ease), border-color .16s var(--ease);
}

.breadcrumbs a:hover {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.breadcrumbs [aria-current="page"] { color: var(--paper); }

.breadcrumbs__sep { color: rgba(143, 163, 184, .5); }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 18px;
  font-family: var(--font-body);
  font-size: 13.5px;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--paper);
  background: transparent;
  border: 1px solid var(--line-strong);
  text-decoration: none;
  cursor: pointer;
  transition: background .18s var(--ease), color .18s var(--ease),
              border-color .18s var(--ease), transform .18s var(--ease);
}

.btn:hover {
  transform: translateY(-2px);
  border-color: var(--cyan);
  color: var(--cyan);
}

.btn:active { transform: translateY(0); }

.btn--sm {
  padding: 8px 14px;
  font-size: 12.5px;
}

.btn--gold {
  border-color: rgba(233, 185, 73, .62);
  color: var(--gold);
}

.btn--gold:hover {
  background: var(--gold);
  border-color: var(--gold);
  color: #1C1404;
}

.btn--cyan {
  background: var(--cyan);
  border-color: var(--cyan);
  color: #04121A;
}

.btn--cyan:hover {
  background: transparent;
  color: var(--cyan);
}

.btn--ghost:hover {
  border-color: var(--orange);
  color: var(--orange);
}

.btn[data-state="busy"] {
  border-color: var(--orange);
  color: var(--orange);
}

.btn[data-state="done"] {
  border-color: var(--cyan);
  color: var(--cyan);
}

.btn[aria-disabled="true"],
.btn[disabled] {
  opacity: .45;
  pointer-events: none;
}

/* ---------- Skip link ---------- */
.skip-link {
  position: fixed;
  top: -80px;
  left: 12px;
  z-index: 200;
  padding: 10px 16px;
  font-size: 14px;
  font-weight: 700;
  color: #04121A;
  background: var(--cyan);
  border: 2px solid #04121A;
  text-decoration: none;
  transition: top .18s var(--ease);
}

.skip-link:focus { top: 12px; }

/* ---------- 头部骨架 ---------- */
.site-head {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 90;
  background: rgba(6, 11, 20, .95);
  border-bottom: 1px solid var(--line-strong);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
}

/* 同步时间轴 */
.ticker {
  height: var(--ticker-h);
  background: linear-gradient(90deg, #0B2E2C 0%, #0C1626 55%, #060B14 100%);
  border-bottom: 1px solid rgba(47, 243, 224, .22);
  overflow: hidden;
}

.ticker__inner {
  display: flex;
  align-items: center;
  gap: 10px;
  height: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: var(--pad);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .08em;
  color: var(--term);
  white-space: nowrap;
  overflow-x: auto;
  scrollbar-width: none;
}

.ticker__inner::-webkit-scrollbar { display: none; }

.ticker__label {
  color: var(--cyan);
  font-weight: 700;
}

.ticker__pulse {
  flex: none;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 10px var(--cyan);
  animation: tickpulse 10s ease-out infinite;
}

@keyframes tickpulse {
  0%   { transform: scale(1);   opacity: 1; }
  7%   { transform: scale(1.9); opacity: .35; }
  14%  { transform: scale(1);   opacity: 1; }
  100% { transform: scale(1);   opacity: 1; }
}

.ticker__time { color: var(--paper); }

.ticker__sep { color: rgba(143, 163, 184, .55); }

.ticker__round b,
.ticker__next b {
  color: var(--orange);
  font-weight: 700;
}

.ticker__spacer { flex: 1 1 auto; min-width: 12px; }

.ticker__bar {
  position: relative;
  flex: none;
  width: clamp(56px, 13vw, 170px);
  height: 3px;
  background: rgba(47, 243, 224, .18);
}

.ticker__bar i {
  position: absolute;
  inset: 0 auto 0 0;
  width: 0;
  background: var(--cyan);
  transition: width .4s linear;
}

/* 命令栏 */
.cmdbar {
  height: var(--cmdbar-h);
  background: var(--ink);
  border-top: 1px solid rgba(242, 245, 247, .06);
}

.cmdbar__inner {
  display: flex;
  align-items: center;
  gap: clamp(12px, 2vw, 26px);
  height: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: var(--pad);
}

/* 品牌 */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex: none;
  text-decoration: none;
}

.brand__mark {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 22px;
  line-height: 1;
  color: #04121A;
  background: linear-gradient(150deg, var(--cyan) 0%, #12A89B 100%);
  clip-path: polygon(0 0, 100% 0, 100% 68%, 74% 100%, 0 100%);
}

.brand__text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.brand__name {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 19px;
  letter-spacing: -.01em;
  color: var(--paper);
}

.brand__sub {
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--mist);
}

/* 导航 */
.cmdbar__nav {
  display: flex;
  align-items: center;
  flex: 1 1 auto;
  min-width: 0;
  overflow-x: auto;
  scrollbar-width: none;
}

.cmdbar__nav::-webkit-scrollbar { display: none; }

.navlist {
  display: flex;
  align-items: center;
  gap: 2px;
}

.navlist a {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  padding: 9px clamp(8px, 1vw, 12px);
  font-size: 13.5px;
  font-weight: 600;
  letter-spacing: .01em;
  color: var(--mist);
  text-decoration: none;
  white-space: nowrap;
  border-top: 2px solid transparent;
  border-bottom: 2px solid transparent;
  transition: color .18s var(--ease), background .18s var(--ease), border-color .18s var(--ease);
}

.navlist__idx {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .08em;
  color: rgba(143, 163, 184, .7);
  transition: color .18s var(--ease);
}

.navlist a:hover {
  color: var(--paper);
  background: rgba(47, 243, 224, .07);
}

.navlist a:hover .navlist__idx { color: var(--cyan); }

.navlist a[aria-current="page"] {
  color: var(--paper);
  background: linear-gradient(180deg, rgba(47, 243, 224, .14) 0%, rgba(47, 243, 224, .03) 100%);
  border-bottom-color: var(--cyan);
  border-top-color: rgba(255, 122, 26, .65);
}

.navlist a[aria-current="page"] .navlist__idx { color: var(--orange); }

/* 工具区 */
.cmdbar__tools {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: none;
  margin-left: auto;
}

/* 移动菜单按钮 */
.navtoggle {
  display: none;
  align-items: center;
  gap: 8px;
  padding: 9px 12px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--paper);
  border: 1px solid var(--line-strong);
  cursor: pointer;
  transition: border-color .18s var(--ease), color .18s var(--ease);
}

.navtoggle:hover {
  border-color: var(--cyan);
  color: var(--cyan);
}

.navtoggle__bars {
  display: flex;
  flex-direction: column;
  gap: 4px;
  width: 16px;
  flex: none;
}

.navtoggle__bars i {
  display: block;
  height: 2px;
  background: currentColor;
  transition: transform .24s var(--ease), opacity .24s var(--ease);
}

.navtoggle[aria-expanded="true"] .navtoggle__bars i:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.navtoggle[aria-expanded="true"] .navtoggle__bars i:nth-child(2) { opacity: 0; }
.navtoggle[aria-expanded="true"] .navtoggle__bars i:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* ---------- 头部响应式 ---------- */
@media (max-width: 1080px) {
  :root { --cmdbar-h: 64px; }

  .navtoggle { display: inline-flex; }

  .cmdbar__nav {
    position: fixed;
    top: var(--head-h);
    right: 0;
    left: 0;
    bottom: auto;
    display: block;
    flex: none;
    overflow-y: auto;
    overflow-x: hidden;
    max-height: calc(100vh - var(--head-h));
    background: var(--ink-2);
    border-bottom: 1px solid var(--cyan);
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
    box-shadow: 0 24px 60px rgba(0, 0, 0, .65);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: opacity .22s var(--ease), transform .22s var(--ease), visibility .22s;
  }

  .cmdbar__nav[data-open] {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .navlist {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 10px var(--pad) 24px;
  }

  .navlist a {
    justify-content: flex-start;
    padding: 14px 4px;
    font-size: 15px;
    border-top: 0;
    border-bottom: 1px solid var(--paper-line);
    border-left: 2px solid transparent;
  }

  .navlist li:last-child a { border-bottom: 0; }

  .navlist a[aria-current="page"] {
    background: linear-gradient(90deg, rgba(47, 243, 224, .16) 0%, transparent 70%);
    border-left-color: var(--cyan);
    border-bottom-color: var(--paper-line);
  }

  .navlist a[aria-current="page"] .navlist__idx { color: var(--orange); }
  .navlist__idx { font-size: 11px; }
}

@media (max-width: 480px) {
  :root { --ticker-h: 32px; --cmdbar-h: 58px; }

  .ticker__inner { font-size: 10.5px; gap: 8px; }
  .ticker__round { display: none; }

  .brand__mark { width: 32px; height: 32px; font-size: 19px; }
  .brand__name { font-size: 16px; }
  .brand__sub { font-size: 8.5px; letter-spacing: .12em; }
  .navtoggle__text { display: none; }
  .btn--sm { padding: 7px 11px; font-size: 12px; }
}

/* ---------- 页脚 ---------- */
.site-foot {
  position: relative;
  margin-top: clamp(48px, 8vw, 96px);
  background: linear-gradient(180deg, var(--ink) 0%, #04070D 100%);
  border-top: 1px solid var(--line-strong);
}

.site-foot::before {
  content: "";
  display: block;
  height: 3px;
  background:
    linear-gradient(90deg,
      var(--cyan) 0, var(--cyan) 16%,
      var(--orange) 16%, var(--orange) 24%,
      var(--gold) 24%, var(--gold) 28%,
      transparent 28%);
}

.site-foot__inner {
  max-width: var(--wrap);
  margin-inline: auto;
  padding: clamp(32px, 5vw, 64px) var(--pad) 28px;
}

.site-foot__top {
  display: grid;
  grid-template-columns: minmax(200px, 1fr) minmax(0, 2.2fr);
  gap: clamp(24px, 4vw, 64px);
}

.foot-brand__mark {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  margin-bottom: 14px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 24px;
  line-height: 1;
  color: #1C1404;
  background: linear-gradient(150deg, var(--gold) 0%, #B8892A 100%);
  clip-path: polygon(0 0, 100% 0, 100% 68%, 74% 100%, 0 100%);
  text-decoration: none;
}

.foot-brand__name {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 22px;
  letter-spacing: -.01em;
}

.foot-brand__line {
  margin-top: 6px;
  font-size: 12.5px;
  letter-spacing: .04em;
  color: var(--mist);
}

.foot-brand__line--dim {
  font-size: 10.5px;
  color: rgba(143, 163, 184, .58);
}

.foot-cols {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(16px, 3vw, 40px);
}

.foot-col__title {
  margin-bottom: 12px;
  padding-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--cyan);
  border-bottom: 1px solid var(--paper-line);
}

.foot-col__list {
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.foot-col__list a {
  padding-left: 0;
  font-size: 14px;
  color: var(--mist);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: color .16s var(--ease), padding-left .16s var(--ease), border-color .16s var(--ease);
}

.foot-col__list a:hover {
  padding-left: 8px;
  color: var(--paper);
  border-left-color: var(--orange);
}

.site-foot__meta {
  display: grid;
  gap: 8px;
  margin-top: clamp(28px, 4vw, 52px);
  padding-top: 20px;
  border-top: 1px solid var(--paper-line);
}

.foot-contact {
  font-size: 13.5px;
  color: var(--paper);
}

.foot-contact .mono {
  font-size: 11.5px;
  color: var(--term);
}

.foot-legal {
  font-size: 11.5px;
  letter-spacing: .04em;
  color: var(--mist);
}

.foot-note {
  font-size: 12.5px;
  color: rgba(143, 163, 184, .72);
}

@media (max-width: 860px) {
  .site-foot__top { grid-template-columns: 1fr; gap: 32px; }
  .foot-cols { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
}

@media (max-width: 480px) {
  .foot-cols { grid-template-columns: 1fr; }
}

/* ---------- 入场动效 ---------- */
html.js-ready [data-reveal] {
  opacity: 0;
  transform: translateX(-24px);
  transition: opacity .5s var(--ease), transform .5s var(--ease);
}

html.js-ready [data-reveal].is-in {
  opacity: 1;
  transform: translateX(0);
}

/* ---------- 减少动态 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

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

  html.js-ready [data-reveal],
  html.js-ready [data-reveal].is-in {
    opacity: 1 !important;
    transform: none !important;
  }

  .ticker__pulse { box-shadow: none; }
  .card:hover { transform: none; }
  .btn:hover { transform: none; }
}