/* ============================================================
   金多宝看台 · /assets/site.css
   共享外壳：reset / 变量 / 中文排版 / 头部 / 页脚 / 基础组件
   ============================================================ */

/* ---------- 01 · 设计变量 ---------- */
:root {
  --ink: #071C16;
  --ink-deep: #04120E;
  --forest: #0B2A21;
  --stand: #123A2E;
  --gold: #C9A24B;
  --gold-hi: #E7C97A;
  --gold-focus: #F5D67B;
  --paper: #F4EFE3;
  --muted: #9DB5A8;
  --crimson: #A83A32;
  --blueprint: #6FC7B7;

  --max: 1320px;
  --pad: 64px;

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

  --ease: cubic-bezier(.2, .7, .3, 1);
  --line: rgba(201, 162, 75, .24);
  --line-soft: rgba(157, 181, 168, .18);
  --frost: rgba(111, 199, 183, .12);
}

@media (max-width: 1200px) {
  :root { --pad: 40px; }
}
@media (max-width: 720px) {
  :root { --pad: 20px; }
}

/* ---------- 02 · Reset ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 128px;
}

html.nav-open { overflow: hidden; }

body {
  margin: 0;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

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

a { color: inherit; }

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

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

:focus-visible {
  outline: 2px solid var(--gold-focus);
  outline-offset: 3px;
}

/* ---------- 03 · 中文排版 ---------- */
h1, .h1 {
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 5vw, 4.8rem);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: .04em;
  text-wrap: balance;
}

h2, .h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3vw, 2.8rem);
  font-weight: 700;
  line-height: 1.22;
  letter-spacing: .05em;
  text-wrap: balance;
}

h3, .h3 {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 1.8vw, 1.6rem);
  font-weight: 700;
  line-height: 1.38;
  letter-spacing: .04em;
}

p {
  font-size: 1.0625rem;
  line-height: 1.78;
  color: rgba(244, 239, 227, .84);
  text-wrap: pretty;
}

.num,
.round-rail__idx { font-variant-numeric: tabular-nums; }

.mark-gold {
  color: var(--gold-hi);
  text-decoration: underline;
  text-decoration-color: rgba(201, 162, 75, .72);
  text-decoration-thickness: 1px;
  text-underline-offset: 5px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

/* ---------- 04 · 布局工具 ---------- */
.container {
  width: 100%;
  max-width: var(--max);
  margin-inline: auto;
  padding-inline: var(--pad);
}

.section {
  padding-block: clamp(56px, 8vw, 112px);
  position: relative;
}

.section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 14px 22px;
  margin-bottom: clamp(26px, 4vw, 46px);
}

.section-index {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .24em;
  text-transform: uppercase;
  color: var(--gold);
  white-space: nowrap;
}

.section-index::before {
  content: "";
  width: 26px;
  height: 1px;
  background: currentColor;
  opacity: .65;
}

.grid-12 {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 28px;
}

@media (max-width: 900px) {
  .grid-12 {
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: 18px;
  }
}
@media (max-width: 560px) {
  .grid-12 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
  }
}

.slash-rule {
  height: 1px;
  border: 0;
  background: linear-gradient(
    90deg,
    rgba(201, 162, 75, 0),
    rgba(201, 162, 75, .68) 24%,
    rgba(111, 199, 183, .34) 76%,
    rgba(111, 199, 183, 0)
  );
}

.blueprint-grid {
  background-image:
    linear-gradient(rgba(111, 199, 183, .07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(111, 199, 183, .07) 1px, transparent 1px);
  background-size: 64px 64px;
  background-position: center;
}

.num {
  font-family: var(--font-mono);
  letter-spacing: .04em;
}

/* ---------- 05 · 基础组件 ---------- */
.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 400;
  padding: 12px 20px;
  background: var(--gold-focus);
  color: #0A211A;
  font-weight: 700;
  font-size: 14px;
  letter-spacing: .06em;
  text-decoration: none;
  border-radius: 2px;
  transform: translateY(-180%);
  transition: transform .2s var(--ease);
}

.skip-link:focus,
.skip-link:focus-visible {
  transform: none;
  outline: 2px solid var(--paper);
  outline-offset: 2px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  border: 1px solid transparent;
  border-radius: 2px;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  line-height: 1;
  letter-spacing: .07em;
  text-decoration: none;
  cursor: pointer;
  transition: background-color .22s var(--ease), color .22s var(--ease),
              border-color .22s var(--ease), transform .22s var(--ease);
}

.btn--gold {
  background: linear-gradient(140deg, var(--gold-hi), var(--gold) 58%, #B08A3A);
  color: #10241C;
  border-color: rgba(245, 214, 123, .62);
  font-weight: 700;
}

.btn--gold:hover {
  background: linear-gradient(140deg, #F8E3A0, var(--gold-hi) 55%, var(--gold));
}

.btn--ghost {
  background: transparent;
  color: var(--paper);
  border-color: rgba(201, 162, 75, .45);
}

.btn--ghost:hover {
  border-color: var(--gold-hi);
  color: var(--gold-hi);
  background: rgba(201, 162, 75, .08);
}

.btn:active { transform: translateY(1px); }

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 9px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--muted);
}

.breadcrumbs a {
  color: var(--muted);
  text-decoration: none;
  transition: color .2s var(--ease);
}

.breadcrumbs a:hover { color: var(--gold-hi); }

.breadcrumbs__sep {
  color: rgba(201, 162, 75, .62);
  font-size: 10px;
}

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

.panel {
  position: relative;
  padding: clamp(20px, 3vw, 32px);
  background: linear-gradient(158deg, rgba(18, 58, 46, .94), rgba(11, 42, 33, .78));
  box-shadow: inset 0 0 0 1px rgba(201, 162, 75, .2);
  border-radius: 2px;
}

.panel--cut {
  clip-path: polygon(
    0 0,
    100% 0,
    100% calc(100% - 26px),
    calc(100% - 26px) 100%,
    0 100%
  );
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--gold-hi);
  background: rgba(201, 162, 75, .12);
  box-shadow: inset 0 0 0 1px rgba(201, 162, 75, .32);
  border-radius: 1px;
}

.tag--live {
  color: #FFE3DE;
  background: rgba(168, 58, 50, .32);
  box-shadow: inset 0 0 0 1px rgba(168, 58, 50, .78);
}

.prose {
  max-width: 68ch;
}

.prose > * + * { margin-top: 1.1em; }

.prose h2 { margin-top: 2em; }

.prose ul,
.prose ol {
  padding-left: 1.2em;
  list-style: disc;
}

.prose li { margin-top: .5em; }

.prose a {
  color: var(--gold-hi);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
}

/* 图片容器基础规则（页面阶段放入 img / picture 即可） */
.figure { margin: 0; }

.figure__frame {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: linear-gradient(150deg, #0B2A21, #123A2E 52%, #0A221B);
  box-shadow: inset 0 0 0 1px rgba(111, 199, 183, .18);
  clip-path: polygon(
    0 0,
    100% 0,
    100% calc(100% - 24px),
    calc(100% - 24px) 100%,
    0 100%
  );
}

.figure__frame--wide { aspect-ratio: 21 / 9; }
.figure__frame--tall { aspect-ratio: 4 / 5; }
.figure__frame--square { aspect-ratio: 1 / 1; }

.figure__frame > img,
.figure__frame > picture,
.figure__frame > picture > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.figure__frame::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(180deg, rgba(7, 28, 22, 0) 44%, rgba(7, 28, 22, .58) 100%),
    repeating-linear-gradient(90deg, rgba(111, 199, 183, .07) 0 1px, transparent 1px 64px);
}

.figure__cap {
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .1em;
  color: var(--muted);
}

/* ---------- 06 · 头部 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 90;
  color: var(--paper);
  background: linear-gradient(180deg, rgba(7, 28, 22, .97), rgba(7, 28, 22, .9));
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
  transition: box-shadow .3s var(--ease), border-color .3s var(--ease);
}

.site-header[data-stuck="true"] {
  box-shadow: 0 14px 34px rgba(2, 12, 9, .55);
  border-bottom-color: rgba(201, 162, 75, .38);
}

/* 轮次带 */
.round-rail {
  position: relative;
  overflow: hidden;
  background: linear-gradient(
    90deg,
    rgba(18, 58, 46, .88),
    rgba(11, 42, 33, .55) 46%,
    rgba(7, 28, 22, .92)
  );
  border-bottom: 1px solid rgba(111, 199, 183, .14);
}

.round-rail::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(
    100deg,
    transparent 34%,
    rgba(231, 201, 122, .16) 47%,
    rgba(111, 199, 183, .14) 55%,
    transparent 68%
  );
  background-size: 260% 100%;
  animation: rail-sweep 9s ease-in-out 2;
}

@keyframes rail-sweep {
  0%, 62% { background-position: -140% 0; }
  100% { background-position: 140% 0; }
}

.round-rail__inner {
  display: flex;
  align-items: center;
  gap: 14px;
  max-width: var(--max);
  margin-inline: auto;
  padding-block: 7px;
  padding-inline: var(--pad);
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--muted);
  white-space: nowrap;
  overflow-x: auto;
  scrollbar-width: none;
}

.round-rail__inner::-webkit-scrollbar { display: none; }

.round-rail__label { color: var(--blueprint); }

.round-rail__round {
  display: inline-flex;
  align-items: baseline;
  gap: 4px;
  color: var(--gold-hi);
}

.round-rail__idx {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .04em;
  background: linear-gradient(160deg, var(--gold-focus), var(--gold) 62%, var(--gold-hi));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.round-rail__word { color: var(--gold); }

.round-rail__note {
  color: rgba(244, 239, 227, .78);
  letter-spacing: .08em;
  text-transform: none;
  font-size: 11px;
}

.round-rail__edition {
  margin-left: auto;
  padding-left: 14px;
  border-left: 1px solid rgba(201, 162, 75, .32);
  color: var(--gold);
  font-size: 10.5px;
}

.header-progress {
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--gold), var(--gold-focus));
  box-shadow: 0 0 12px rgba(245, 214, 123, .5);
  transition: width .12s linear;
  pointer-events: none;
}

/* 主栏 */
.header-bar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  max-width: var(--max);
  margin-inline: auto;
  padding-block: 12px;
  padding-inline: var(--pad);
}

/* 品牌徽记 */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: inherit;
  flex: none;
}

.brand__emblem {
  flex: none;
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  background: linear-gradient(150deg, rgba(201, 162, 75, .3), rgba(11, 42, 33, .96));
  box-shadow: inset 0 0 0 1px rgba(201, 162, 75, .58);
  clip-path: polygon(16% 0, 100% 0, 100% 84%, 84% 100%, 0 100%, 0 16%);
  transition: box-shadow .28s var(--ease), background .28s var(--ease);
}

.brand:hover .brand__emblem,
.brand:focus-visible .brand__emblem {
  box-shadow: inset 0 0 0 1px rgba(245, 214, 123, .95);
  background: linear-gradient(150deg, rgba(201, 162, 75, .45), rgba(11, 42, 33, .96));
}

.brand__glyph {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  line-height: 1;
  color: var(--gold-hi);
}

@supports ((-webkit-background-clip: text) or (background-clip: text)) {
  .brand__glyph {
    background: linear-gradient(160deg, var(--gold-focus) 0%, var(--gold) 52%, var(--gold-hi) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
  }
}

.brand__text {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.brand__name {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: .18em;
  color: var(--paper);
  line-height: 1.2;
}

.brand__sub {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .12em;
  color: var(--muted);
  line-height: 1.3;
}

/* 移动开关 */
.nav-toggle {
  display: none;
  align-items: center;
  gap: 9px;
  padding: 9px 14px;
  position: relative;
  z-index: 130;
  background: rgba(201, 162, 75, .1);
  border: 1px solid rgba(201, 162, 75, .44);
  border-radius: 2px;
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  cursor: pointer;
  transition: border-color .22s var(--ease), background-color .22s var(--ease);
}

.nav-toggle:hover {
  border-color: var(--gold-hi);
  background: rgba(201, 162, 75, .18);
}

.nav-toggle__bars {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 3px;
  width: 16px;
}

.nav-toggle__bars span {
  display: block;
  height: 1.5px;
  width: 100%;
  background: var(--gold-hi);
  transition: transform .24s var(--ease), opacity .24s var(--ease);
}

[data-header][data-open="true"] .nav-toggle__bars span:nth-child(1) {
  transform: translateY(4.5px) rotate(45deg);
}
[data-header][data-open="true"] .nav-toggle__bars span:nth-child(2) {
  opacity: 0;
}
[data-header][data-open="true"] .nav-toggle__bars span:nth-child(3) {
  transform: translateY(-4.5px) rotate(-45deg);
}

/* 栏目索引 */
.primary-nav {
  display: flex;
  align-items: center;
  gap: 26px;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 24px;
}

.nav-link {
  display: inline-block;
  position: relative;
  padding: 6px 0;
  font-size: 14px;
  letter-spacing: .07em;
  color: var(--muted);
  text-decoration: none;
  transition: color .22s var(--ease);
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2px;
  height: 1px;
  background: linear-gradient(90deg, var(--gold-hi), var(--gold));
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform .3s var(--ease);
}

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

.nav-link[aria-current="page"] {
  color: var(--gold-hi);
}
.nav-link[aria-current="page"]::after {
  transform: scaleX(1);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  padding-left: 24px;
  border-left: 1px solid var(--line-soft);
}

.nav-quick { display: none; }

/* ---------- 07 · 头部 · 平板与手机 ---------- */
@media (max-width: 980px) {
  .nav-toggle { display: inline-flex; }

  .primary-nav {
    position: fixed;
    inset: 0;
    z-index: 100;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    gap: 0;
    padding: 104px var(--pad) 40px;
    background: linear-gradient(180deg, rgba(7, 28, 22, .995), rgba(11, 42, 33, .995));
    border-left: 1px solid rgba(201, 162, 75, .28);
    overflow-y: auto;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-14px);
    transition: opacity .26s var(--ease), transform .26s var(--ease), visibility .26s;
  }

  .primary-nav::before {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    background-image:
      linear-gradient(rgba(111, 199, 183, .06) 1px, transparent 1px),
      linear-gradient(90deg, rgba(111, 199, 183, .06) 1px, transparent 1px);
    background-size: 64px 64px;
  }

  [data-header][data-open="true"] .primary-nav {
    opacity: 1;
    visibility: visible;
    transform: none;
  }

  .nav-list {
    position: relative;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    width: 100%;
  }

  .nav-list > li {
    border-bottom: 1px solid rgba(157, 181, 168, .16);
  }

  .nav-link {
    display: block;
    padding: 16px 0 16px 0;
    font-size: 17px;
    letter-spacing: .12em;
  }

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

  .nav-link[aria-current="page"] {
    padding-left: 14px;
    border-left: 2px solid var(--gold);
    color: var(--gold-focus);
  }

  .nav-actions {
    position: relative;
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
    padding: 26px 0 0;
    margin-top: 20px;
    border-left: 0;
    border-top: 1px solid rgba(201, 162, 75, .3);
  }

  .nav-actions .btn { width: 100%; padding-block: 14px; }

  .nav-quick {
    display: block;
    padding: 13px 14px;
    text-align: center;
    font-size: 14px;
    letter-spacing: .1em;
    color: var(--paper);
    text-decoration: none;
    border: 1px solid rgba(201, 162, 75, .34);
    border-radius: 2px;
    transition: border-color .22s var(--ease), color .22s var(--ease);
  }

  .nav-quick:hover {
    border-color: var(--gold-hi);
    color: var(--gold-hi);
  }

  .round-rail__note { display: none; }
}

@media (max-width: 560px) {
  .brand__sub { display: none; }
  .brand__emblem { width: 38px; height: 38px; }
  .brand__glyph { font-size: 17px; }
  .brand__name { font-size: 15px; letter-spacing: .14em; }
  .round-rail__edition { display: none; }
  .header-bar__inner { padding-block: 10px; }
}

/* ---------- 08 · 页脚 ---------- */
.site-footer {
  position: relative;
  margin-top: 0;
  padding-block: clamp(44px, 6vw, 72px) 28px;
  color: var(--paper);
  border-top: 1px solid rgba(201, 162, 75, .3);
  background-image:
    linear-gradient(rgba(111, 199, 183, .05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(111, 199, 183, .05) 1px, transparent 1px),
    linear-gradient(180deg, var(--forest) 0%, var(--ink-deep) 72%);
  background-size: 64px 64px, 64px 64px, 100% 100%;
}

.site-footer::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold) 30%, var(--gold-hi) 50%, var(--gold) 70%, transparent);
  opacity: .8;
}

.footer-top {
  display: grid;
  grid-template-columns: minmax(220px, 1fr) 2.2fr;
  gap: 48px;
  align-items: start;
}

.footer-brand__mark {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
  letter-spacing: .2em;
  color: var(--paper);
  line-height: 1.3;
}

.footer-brand__mark::after {
  content: "";
  display: block;
  width: 38px;
  height: 1px;
  margin-top: 12px;
  background: linear-gradient(90deg, var(--gold), rgba(201, 162, 75, 0));
}

.footer-brand__note {
  margin-top: 16px;
  font-size: 15px;
  line-height: 1.7;
  color: rgba(244, 239, 227, .74);
  max-width: 24ch;
}

.footer-brand__meta {
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--blueprint);
}

.footer-cols {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 32px;
}

.footer-col__title {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .24em;
  text-transform: uppercase;
  color: var(--blueprint);
  padding-bottom: 10px;
  margin-bottom: 14px;
  border-bottom: 1px solid rgba(111, 199, 183, .2);
}

.footer-col ul {
  display: grid;
  gap: 10px;
}

.footer-link {
  display: inline-block;
  font-size: 14.5px;
  letter-spacing: .03em;
  color: var(--muted);
  text-decoration: none;
  transition: color .22s var(--ease), transform .22s var(--ease);
}

.footer-link:hover {
  color: var(--gold-hi);
  transform: translateX(3px);
}

.footer-contact {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px 32px;
  margin-top: 46px;
  padding-top: 30px;
  border-top: 1px solid var(--line-soft);
}

.footer-contact__label {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: rgba(157, 181, 168, .8);
  margin-bottom: 7px;
}

.footer-contact__value {
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--paper);
  word-break: break-word;
}

.footer-contact__note {
  grid-column: 1 / -1;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(157, 181, 168, .9);
  max-width: 78ch;
}

.footer-base {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 28px;
  margin-top: 34px;
  padding-top: 22px;
  border-top: 1px solid rgba(201, 162, 75, .18);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--muted);
}

.footer-base__copy,
.footer-base__icp { color: var(--muted); font-size: 11px; }

.footer-base__links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}

.footer-base__links a {
  color: var(--muted);
  text-decoration: none;
  transition: color .2s var(--ease);
}

.footer-base__links a:hover { color: var(--gold-hi); }

@media (max-width: 900px) {
  .footer-top {
    grid-template-columns: 1fr;
    gap: 38px;
  }
  .footer-contact { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 620px) {
  .footer-cols { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 26px; }
  .footer-contact { grid-template-columns: 1fr; gap: 20px; }
  .footer-base { flex-direction: column; align-items: flex-start; gap: 10px; }
  .footer-brand__note { max-width: none; }
}

/* ---------- 09 · 显现与动效 ---------- */
.has-reveal [data-reveal] {
  opacity: 0;
  transform: translate3d(0, 16px, 0);
  transition: opacity .42s var(--ease), transform .42s var(--ease);
  will-change: opacity, transform;
}

.has-reveal [data-reveal].is-visible {
  opacity: 1;
  transform: none;
  will-change: auto;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  .round-rail::after { animation: none; opacity: .3; }

  .has-reveal [data-reveal],
  .has-reveal [data-reveal].is-visible {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .header-progress { transition: none; }

  .nav-link::after,
  .brand__emblem,
  .footer-link,
  .nav-toggle__bars span,
  .primary-nav,
  .skip-link,
  .btn {
    transition-duration: .001s;
  }
}