/* =========================================================
   葡京娱乐主页 — 共享样式表 /assets/site.css
   墨绿夜底 · 暗金细线 · 象牙白正文
   ========================================================= */

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

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

body,
h1, h2, h3, h4, h5, h6,
p, figure, blockquote, dl, dd, ol, ul, table, fieldset {
  margin: 0;
  padding: 0;
}

ul, ol { list-style: none; }

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

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

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

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

summary { list-style: none; }

/* ---------- 2. 设计变量 ---------- */
:root {
  /* 品牌色板 */
  --c-ink: #0A1F18;
  --c-ink-2: #12352A;
  --c-ink-3: #164034;
  --c-gold-dark: #8A6A2C;
  --c-gold: #D8B65C;
  --c-red: #B9362B;
  --c-silver: #C6CFD2;
  --c-ivory: #F4EFE5;
  --c-graphite: #23282A;
  --c-indigo: #1B2233;
  --c-wine: #4A1E22;

  /* 语义色 */
  --bg: var(--c-ink);
  --bg-alt: var(--c-ink-2);
  --text: var(--c-ivory);
  --text-dim: var(--c-silver);
  --text-quiet: rgba(198, 207, 210, 0.68);
  --hairline: rgba(138, 106, 44, 0.42);
  --hairline-soft: rgba(198, 207, 210, 0.13);
  --halo: rgba(216, 182, 92, 0.14);

  /* 字体 */
  --font-serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "STSong", "SimSun", Georgia, "Times New Roman", serif;
  --font-sans: "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, "Courier New", monospace;

  /* 度量 */
  --wrap: 1180px;
  --wrap-tight: 780px;
  --gutter: clamp(18px, 4.2vw, 56px);
  --band: 48px;
  --radius: 3px;

  /* 节奏 */
  --s1: 8px;
  --s2: 16px;
  --s3: 24px;
  --s4: 40px;
  --s5: 64px;
  --s6: 96px;

  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

/* ---------- 3. 基础排版 ---------- */
body {
  min-height: 100vh;
  background-color: var(--bg);
  background-image:
    radial-gradient(78% 58% at 88% -8%, rgba(216, 182, 92, 0.09), transparent 62%),
    radial-gradient(72% 56% at -8% 104%, rgba(27, 34, 51, 0.92), transparent 60%);
  background-repeat: no-repeat;
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.75;
  letter-spacing: 0.012em;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: 0.015em;
  color: var(--c-ivory);
}

h1 {
  font-size: clamp(2.2rem, 5.4vw, 4.1rem);
  font-weight: 700;
  letter-spacing: 0.02em;
}

h2 {
  font-size: clamp(1.5rem, 3.2vw, 2.3rem);
}

h3 {
  font-size: clamp(1.1rem, 1.9vw, 1.35rem);
}

p { text-wrap: pretty; }

strong { color: var(--c-ivory); font-weight: 600; }

::selection {
  background: rgba(216, 182, 92, 0.28);
  color: var(--c-ivory);
}

/* 键盘焦点：鎏金 2px 描边，保留可见大纲 */
:focus-visible {
  outline: 2px solid var(--c-gold);
  outline-offset: 3px;
  border-radius: 1px;
}

/* ---------- 4. 布局工具 ---------- */
.container {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.container--tight { max-width: var(--wrap-tight); }

.section {
  position: relative;
  padding-block: clamp(46px, 7.4vw, 92px);
}

.section--wide { padding-block: clamp(64px, 10vw, 132px); }
.section--tight { padding-block: clamp(26px, 3.6vw, 46px); }

.zone {
  position: relative;
  isolation: isolate;
}

.zone--ink2 { background: var(--c-ink-2); }
.zone--indigo { background: var(--c-indigo); }
.zone--wine { background: var(--c-wine); }
.zone--graphite { background: var(--c-graphite); }

.zone--organic::before {
  content: "";
  position: absolute;
  z-index: -1;
  top: -22%;
  right: -14%;
  width: min(46rem, 74vw);
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle at 34% 32%, rgba(216, 182, 92, 0.12), transparent 68%);
  pointer-events: none;
}

.zone--organic-soft::after {
  content: "";
  position: absolute;
  z-index: -1;
  bottom: -18%;
  left: -18%;
  width: min(38rem, 66vw);
  aspect-ratio: 1;
  border-radius: 46% 54% 58% 42%;
  background: radial-gradient(circle at 60% 40%, rgba(27, 34, 51, 0.86), transparent 70%);
  pointer-events: none;
}

.grid {
  display: grid;
  gap: clamp(16px, 2.4vw, 30px);
}

.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid--split { grid-template-columns: minmax(0, 1fr) minmax(0, 1.35fr); }
.grid--split-rev { grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr); }
.grid--aside { grid-template-columns: minmax(0, 1fr) minmax(0, 300px); }

.hairline {
  height: 1px;
  border: 0;
  background: linear-gradient(90deg, transparent, var(--hairline) 16%, var(--hairline) 84%, transparent);
}

/* ---------- 5. 索引与小字 ---------- */
.eyebrow {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--c-gold);
}

.lede {
  max-width: 62ch;
  font-size: clamp(1rem, 1.6vw, 1.1rem);
  line-height: 1.85;
  color: var(--text-dim);
}

.index-band {
  display: flex;
  align-items: center;
  gap: var(--s2);
  min-height: var(--band);
  padding-block: 6px;
  border-block: 1px solid var(--hairline);
}

.index-band__no {
  flex: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--c-gold);
}

.index-band__label {
  font-family: var(--font-sans);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-silver);
}

.index-band__note {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--text-quiet);
  white-space: nowrap;
}

/* ---------- 6. 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 10px 20px;
  border: 1px solid var(--c-gold-dark);
  border-radius: 2px;
  background: transparent;
  color: var(--c-gold);
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1;
  letter-spacing: 0.08em;
  cursor: pointer;
  transition: color 0.22s var(--ease), border-color 0.22s var(--ease),
              background-color 0.22s var(--ease), transform 0.22s var(--ease);
}

.btn:hover {
  color: var(--c-ivory);
  border-color: var(--c-gold);
  background: rgba(216, 182, 92, 0.12);
  transform: translateY(-1px);
}

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

.btn--ghost { background: rgba(10, 31, 24, 0.4); }

.btn--solid {
  background: linear-gradient(180deg, var(--c-gold), var(--c-gold-dark));
  border-color: var(--c-gold);
  color: #10241C;
  font-weight: 600;
}

.btn--solid:hover {
  color: #10241C;
  background: linear-gradient(180deg, #E6C778, var(--c-gold));
}

.btn--sm {
  padding: 7px 14px;
  font-size: 13.5px;
}

/* ---------- 7. 面包屑 ---------- */
.breadcrumb { padding-block: 14px; }

.breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.08em;
  color: var(--text-quiet);
}

.breadcrumb__item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.breadcrumb__item + .breadcrumb__item::before {
  content: "/";
  color: var(--c-gold-dark);
}

.breadcrumb__link {
  color: var(--c-silver);
  border-bottom: 1px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.breadcrumb__link:hover {
  color: var(--c-gold);
  border-bottom-color: var(--hairline);
}

.breadcrumb__current { color: var(--c-ivory); }

/* ---------- 8. 卡片 / 面板 / 折叠 / 表格 / 标签 ---------- */
.card {
  position: relative;
  padding: clamp(18px, 2.4vw, 28px);
  border: 1px solid var(--hairline-soft);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(18, 53, 42, 0.74), rgba(10, 31, 24, 0.74));
  transition: transform 0.24s var(--ease), border-color 0.24s var(--ease),
              box-shadow 0.24s var(--ease), background 0.24s var(--ease);
}

.card:hover,
.card:focus-within {
  transform: translateY(-2px);
  border-color: var(--hairline);
  box-shadow: 0 20px 44px -30px rgba(0, 0, 0, 0.95),
              inset 0 0 0 1px rgba(216, 182, 92, 0.12);
}

.card__index {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--c-gold);
}

.card__title {
  margin-top: 10px;
  font-family: var(--font-serif);
  font-size: 1.12rem;
  font-weight: 600;
  line-height: 1.45;
  color: var(--c-ivory);
}

.card__body {
  margin-top: 10px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--text-dim);
}

.card__meta {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid var(--hairline-soft);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--text-quiet);
}

.card__more {
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  font-size: 14px;
  line-height: 1.8;
  color: var(--c-silver);
  transition: max-height 0.32s var(--ease), opacity 0.32s var(--ease),
              margin-top 0.32s var(--ease);
}

.card:hover .card__more,
.card:focus-within .card__more {
  max-height: 14rem;
  opacity: 1;
  margin-top: 12px;
}

.panel {
  padding: clamp(20px, 3vw, 36px);
  border: 1px solid var(--hairline-soft);
  border-radius: var(--radius);
  background: rgba(10, 31, 24, 0.5);
}

.panel--ink2 {
  background: rgba(18, 53, 42, 0.72);
  border-color: var(--hairline);
}

.panel--indigo {
  background: rgba(27, 34, 51, 0.8);
  border-color: rgba(216, 182, 92, 0.18);
}

.panel--wine {
  background: rgba(74, 30, 34, 0.74);
  border-color: rgba(216, 182, 92, 0.18);
}

.fold {
  border: 1px solid var(--hairline-soft);
  border-radius: var(--radius);
  background: rgba(18, 53, 42, 0.4);
  transition: background 0.24s var(--ease), border-color 0.24s var(--ease);
}

.fold + .fold { margin-top: 10px; }

.fold:hover { border-color: var(--hairline); }

.fold__summary {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 15px 20px;
  cursor: pointer;
  font-family: var(--font-serif);
  font-size: 1.02rem;
  font-weight: 600;
  color: var(--c-ivory);
}

.fold__summary::-webkit-details-marker { display: none; }

.fold__summary::after {
  content: "";
  flex: none;
  margin-left: auto;
  width: 9px;
  height: 9px;
  border-right: 1px solid var(--c-gold);
  border-bottom: 1px solid var(--c-gold);
  transform: rotate(45deg) translate(-2px, -2px);
  transition: transform 0.26s var(--ease);
}

.fold[open] {
  background: rgba(18, 53, 42, 0.82);
  border-color: var(--hairline);
}

.fold[open] .fold__summary {
  border-bottom: 1px solid var(--hairline-soft);
}

.fold[open] .fold__summary::after {
  transform: rotate(-135deg) translate(-2px, -2px);
}

.fold__body {
  padding: 16px 20px 20px;
  font-size: 15px;
  line-height: 1.82;
  color: var(--text-dim);
}

.fold__body p + p { margin-top: 0.9em; }

.data-table {
  width: 100%;
  font-size: 14px;
  border: 1px solid var(--hairline-soft);
  border-radius: var(--radius);
  overflow: hidden;
}

.data-table th,
.data-table td {
  padding: 12px 14px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--hairline-soft);
}

.data-table th {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-gold);
  background: rgba(10, 31, 24, 0.62);
}

.data-table tbody tr:last-child td { border-bottom: 0; }

.data-table tbody tr:hover td { background: rgba(216, 182, 92, 0.06); }

.data-table td[data-num] {
  font-family: var(--font-mono);
  letter-spacing: 0.05em;
  color: var(--c-ivory);
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px;
  border: 1px solid var(--hairline);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-silver);
    white-space: nowrap;
}

.tag--gold {
  color: var(--c-gold);
  border-color: rgba(216, 182, 92, 0.45);
}

.tag--red {
  color: #F0B3AC;
  border-color: rgba(185, 54, 43, 0.75);
  background: rgba(185, 54, 43, 0.2);
}

/* ---------- 9. 图片容器基础规则 ---------- */
.media-frame {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4 / 3;
  border: 1px solid var(--hairline-soft);
  border-radius: var(--radius);
  background: linear-gradient(140deg, rgba(18, 53, 42, 0.92), rgba(27, 34, 51, 0.92));
}

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

.media-frame > img,
.media-frame > picture,
.media-frame > picture > img,
.media-frame > svg {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.media-frame--gilded::after {
  content: "";
  position: absolute;
  inset: 8px;
  border: 1px solid rgba(216, 182, 92, 0.32);
  pointer-events: none;
}

.media-frame__caption {
  position: absolute;
  inset: auto 0 0 0;
  padding: 14px 16px 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-silver);
  background: linear-gradient(0deg, rgba(10, 31, 24, 0.94), rgba(10, 31, 24, 0));
}

/* ---------- 10. 正文排版块 ---------- */
.prose {
  max-width: 68ch;
  font-size: 16.5px;
  line-height: 1.85;
  color: var(--text-dim);
}

.prose p + p { margin-top: 1.05em; }

.prose h2 {
  margin-top: 1.9em;
  margin-bottom: 0.6em;
  font-size: clamp(1.35rem, 2.8vw, 1.95rem);
  color: var(--c-ivory);
}

.prose h3 {
  margin-top: 1.5em;
  margin-bottom: 0.5em;
  color: var(--c-ivory);
}

.prose a {
  color: var(--c-gold);
  border-bottom: 1px solid var(--hairline);
}

.prose strong { color: var(--c-ivory); }

.prose ul {
  display: grid;
  gap: 8px;
  margin-top: 1em;
}

.prose li {
  position: relative;
  padding-left: 18px;
}

.prose li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.78em;
  width: 8px;
  height: 1px;
  background: var(--c-gold-dark);
}

/* ---------- 11. 跳转链接 ---------- */
.skip-link {
  position: fixed;
  top: 8px;
  left: 50%;
  z-index: 999;
  padding: 10px 20px;
  border-radius: 2px;
  background: var(--c-gold);
  color: #10241C;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.08em;
  transform: translate(-50%, -180%);
  transition: transform 0.22s var(--ease);
}

.skip-link:focus {
  transform: translate(-50%, 0);
  outline: 2px solid var(--c-ivory);
  outline-offset: 2px;
}

/* ---------- 12. 页头 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 80;
  background: #0A1F18;
  border-bottom: 1px solid var(--hairline);
  color: var(--text);
}

.scroll-progress {
  position: absolute;
  left: 0;
  bottom: -1px;
  width: var(--progress, 0%);
  height: 2px;
  background: linear-gradient(90deg, var(--c-gold-dark), var(--c-gold));
  pointer-events: none;
  transition: width 0.12s linear;
}

.tape-bar {
  display: flex;
  align-items: center;
  gap: var(--s2);
  height: var(--band);
  padding-inline: var(--gutter);
  border-bottom: 1px solid var(--hairline-soft);
  background: linear-gradient(90deg,
    rgba(27, 34, 51, 0.92),
    rgba(74, 30, 34, 0.55) 48%,
    rgba(18, 53, 42, 0.92));
  transition: height 0.3s var(--ease), opacity 0.24s var(--ease);
}

.tape-bar__label,
.tape-bar__note {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--c-silver);
  white-space: nowrap;
}

.tape-bar__note { color: var(--c-gold); }

.tape-bar__rule {
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--hairline), transparent);
}

.masthead {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  align-items: center;
  gap: var(--s2);
  max-width: var(--wrap);
  margin-inline: auto;
  padding: clamp(16px, 2.6vw, 28px) var(--gutter);
  transition: padding 0.3s var(--ease);
}

.masthead__brand {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 7px;
  text-align: center;
}

.masthead__brand-cn {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(1.5rem, 3.4vw, 2.3rem);
  line-height: 1.12;
  letter-spacing: 0.2em;
  text-indent: 0.2em;
  color: var(--c-ivory);
  transition: font-size 0.3s var(--ease), letter-spacing 0.3s var(--ease);
}

.masthead__brand-en {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.34em;
  text-indent: 0.34em;
  text-transform: uppercase;
  color: var(--c-gold);
}

.masthead__side {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  transition: opacity 0.24s var(--ease), visibility 0.24s var(--ease);
}

.masthead__side--end { justify-content: flex-end; }

.masthead__eyebrow {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--c-silver);
  opacity: 0.7;
}

/* 滚动后刊头收缩为细条 */
.site-header[data-condensed] .tape-bar {
  height: 0;
  overflow: hidden;
  opacity: 0;
  border-bottom-color: transparent;
}

.site-header[data-condensed] .masthead { padding-block: 9px; }

.site-header[data-condensed] .masthead__side {
  opacity: 0;
  visibility: hidden;
}

.site-header[data-condensed] .masthead__brand-en { display: none; }

.site-header[data-condensed] .masthead__brand-cn {
  font-size: 1.12rem;
  letter-spacing: 0.16em;
  text-indent: 0.16em;
}

.nav-band {
  border-top: 1px solid var(--hairline-soft);
  border-bottom: 1px solid var(--hairline);
  background: rgba(18, 53, 42, 0.6);
}

.nav-band__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  align-items: center;
  gap: var(--s2);
  min-height: 48px;
  padding-block: 6px;
}

.site-nav__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: clamp(8px, 2.2vw, 32px);
}

.site-nav__link {
  position: relative;
  display: inline-block;
  padding: 8px 2px;
  font-size: 15px;
  letter-spacing: 0.08em;
  color: var(--c-silver);
  transition: color 0.2s var(--ease);
}

.site-nav__link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 2px;
  height: 1px;
  background: var(--c-gold);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.24s var(--ease);
}

.site-nav__link:hover { color: var(--c-ivory); }
.site-nav__link:hover::after { transform: scaleX(1); }

.site-nav__link[aria-current="page"] { color: var(--c-gold); }
.site-nav__link[aria-current="page"]::after { transform: scaleX(1); }

.nav-band__cta { justify-self: end; }

.nav-toggle {
  display: none;
  align-items: center;
  gap: 10px;
  justify-self: start;
  padding: 8px 13px;
  border: 1px solid var(--hairline);
  border-radius: 2px;
  color: var(--c-gold);
  font-size: 13px;
  letter-spacing: 0.16em;
  cursor: pointer;
  transition: border-color 0.2s var(--ease), background-color 0.2s var(--ease);
}

.nav-toggle:hover {
  border-color: var(--c-gold);
  background: rgba(216, 182, 92, 0.1);
}

.nav-toggle__bars {
  display: inline-flex;
  flex-direction: column;
  gap: 4px;
  width: 16px;
}

.nav-toggle__bars i {
  display: block;
  height: 1px;
  background: currentColor;
  transition: opacity 0.2s var(--ease);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bars i:nth-child(2) { opacity: 0; }

/* ---------- 13. 页脚 ---------- */
.site-footer {
  position: relative;
  margin-top: clamp(48px, 8vw, 96px);
  border-top: 1px solid var(--hairline);
  background: var(--c-graphite);
  color: var(--c-silver);
}

.site-footer::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(216, 182, 92, 0.55), transparent);
}

.footer-top {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
  align-items: end;
  gap: var(--s3);
  padding-block: clamp(34px, 5vw, 56px) var(--s3);
  border-bottom: 1px solid var(--hairline-soft);
}

.footer-top__cn {
  font-family: var(--font-serif);
  font-size: clamp(1.35rem, 2.8vw, 1.95rem);
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--c-ivory);
}

.footer-top__en {
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--c-gold);
}

.footer-top__note {
  justify-self: end;
  max-width: 46ch;
  font-size: 15px;
  line-height: 1.82;
  color: var(--text-dim);
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) minmax(0, 1.5fr);
  gap: clamp(26px, 3.4vw, 44px);
  padding-block: clamp(30px, 4vw, 52px);
}

.footer-col__title {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--c-gold);
}

.footer-col__title::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--hairline-soft);
}

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

.footer-link {
  display: inline-block;
  font-size: 15px;
  color: var(--c-silver);
  border-bottom: 1px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease),
              transform 0.2s var(--ease);
}

.footer-link:hover {
  color: var(--c-gold);
  border-bottom-color: var(--hairline);
  transform: translateX(2px);
}

.footer-contact { gap: 13px; }

.footer-contact__item {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  align-items: baseline;
  gap: 12px;
}

.footer-contact__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-gold-dark);
}

.footer-contact__value {
  font-family: var(--font-mono);
  font-size: 13.5px;
  letter-spacing: 0.04em;
  color: var(--c-ivory);
  word-break: break-all;
}

.footer-contact__value--text {
  font-family: var(--font-sans);
  font-size: 14.5px;
  line-height: 1.7;
  letter-spacing: 0.01em;
  word-break: normal;
}

.footer-col__note {
  margin-top: 16px;
  max-width: 42ch;
  font-size: 13px;
  line-height: 1.8;
  color: var(--text-quiet);
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px var(--s3);
  padding-block: 18px;
  border-top: 1px solid var(--hairline-soft);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--text-quiet);
}

.footer-bottom__icp { color: rgba(216, 182, 92, 0.86); }

/* ---------- 14. 入场显现 ---------- */
.js-reveal [data-reveal] {
  opacity: 0;
  transform: translateY(14px);
}

.js-reveal [data-reveal].is-visible {
  opacity: 1;
  transform: none;
  transition: opacity 0.5s var(--ease), transform 0.5s var(--ease);
}

/* ---------- 15. 响应式 ---------- */
@media (max-width: 1080px) {
  .grid--4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid--aside { grid-template-columns: minmax(0, 1fr); }
}

@media (max-width: 880px) {
  .nav-band__inner {
    grid-template-columns: auto minmax(0, 1fr);
    grid-template-rows: auto auto;
    row-gap: 10px;
    padding-block: 10px;
  }

  .nav-toggle {
    display: inline-flex;
    grid-column: 1;
    grid-row: 1;
  }

  .nav-band__cta {
    grid-column: 2;
    grid-row: 1;
    justify-self: end;
  }

  .site-nav {
    display: none;
    grid-column: 1 / -1;
    grid-row: 2;
  }

  .site-nav[data-open] { display: block; }

  .site-nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    border-top: 1px solid var(--hairline-soft);
  }

  .site-nav__link {
    display: block;
    padding: 13px 2px;
    border-bottom: 1px solid var(--hairline-soft);
    font-size: 16px;
  }

  .site-nav__link::after { display: none; }

  .site-nav__link[aria-current="page"] {
    padding-left: 12px;
    border-left: 2px solid var(--c-gold);
    background: rgba(216, 182, 92, 0.07);
  }

  .grid--3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid--split,
  .grid--split-rev { grid-template-columns: minmax(0, 1fr); }

  .masthead__side { display: none; }
  .masthead { grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr); }

  .footer-top {
    grid-template-columns: minmax(0, 1fr);
    align-items: start;
  }

  .footer-top__note { justify-self: start; }

  .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }

  .footer-col--contact { grid-column: 1 / -1; }
}

@media (max-width: 620px) {
  body { font-size: 15.5px; }

  .grid--2,
  .grid--3,
  .grid--4 { grid-template-columns: minmax(0, 1fr); }

  .footer-grid { grid-template-columns: minmax(0, 1fr); }

  .tape-bar__label { display: none; }

  .tape-bar__note { font-size: 10px; letter-spacing: 0.14em; }

  .masthead {
    grid-template-columns: minmax(0, 1fr);
    padding-block: 16px;
  }

  .index-band { flex-wrap: wrap; row-gap: 4px; }

  .index-band__note {
    margin-left: 0;
    flex-basis: 100%;
  }

  .footer-contact__item { grid-template-columns: minmax(0, 1fr); gap: 4px; }

  .footer-bottom { justify-content: flex-start; }
}

/* ---------- 16. 减少动态效果 ---------- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }

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

  .js-reveal [data-reveal] {
    opacity: 1;
    transform: none;
  }
}