/* ==========================================================================
   问鼎娱乐主站 · 共享样式表 /assets/site.css
   墨黑铺底 · 鎏金定调 · 等宽数字 · 档案式资料系统
   ========================================================================== */

/* ---------- 01 · Reset ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

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

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

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

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

button, input, select, textarea {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
}

button { cursor: pointer; }

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

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

/* ---------- 02 · 变量 ---------- */
:root {
  /* 色彩 */
  --ink: #0B0C0E;
  --ink-soft: #14161A;
  --ink-raise: #1B1E23;
  --gold: #E3B45A;
  --gold-light: #F5DEA8;
  --gold-deep: #C99A3E;
  --cinnabar: #C4453C;
  --jade: #2E8C7F;
  --line: #6B552C;
  --line-soft: rgba(107, 85, 44, .38);
  --text: #D9D4C8;
  --text-strong: #F2EDE1;
  --muted: #8B877D;
  --paper: #F4F1EA;
  --paper-soft: #FFFDF8;
  --paper-ink: #14161A;
  --paper-muted: #6A675F;

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

  /* 尺度 */
  --shell: min(1360px, 100% - 48px);
  --reading: min(720px, 100% - 44px);
  --header-h: 76px;

  /* 动效 */
  --ease: cubic-bezier(.22, .61, .36, 1);
}

/* ---------- 03 · 基础排版 ---------- */
body {
  min-height: 100%;
  background-color: var(--ink);
  background-image:
    radial-gradient(900px 520px at 92% -6%, rgba(227, 180, 90, .075), transparent 62%),
    radial-gradient(760px 460px at -8% 14%, rgba(46, 140, 127, .055), transparent 62%);
  background-repeat: no-repeat;
  background-attachment: fixed;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 17px;
  font-weight: 400;
  line-height: 1.85;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -.02em;
  line-height: 1.32;
  color: var(--text-strong);
}

h1 { font-size: clamp(30px, 4.4vw, 38px); }
h2 { font-size: clamp(23px, 3vw, 27px); }
h3 { font-size: clamp(18px, 2.1vw, 21px); }
h4 { font-size: 17px; letter-spacing: -.01em; }

p { max-width: 68ch; }

.wd-mono,
code, kbd, samp {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

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

.wd-nav-lock,
.wd-nav-lock body { overflow: hidden; }

/* ---------- 04 · 跳转链接 ---------- */
.wd-skip {
  position: fixed;
  top: -80px;
  left: 16px;
  z-index: 200;
  padding: 13px 20px;
  background: var(--gold);
  color: var(--ink);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .06em;
  border-radius: 0 0 4px 4px;
  transition: top .22s var(--ease);
}

.wd-skip:focus { top: 0; }

/* ---------- 05 · 内容壳 / 区块 ---------- */
.wd-shell {
  width: var(--shell);
  margin-inline: auto;
}

.wd-prose {
  width: var(--reading);
  margin-inline: auto;
}

.wd-prose > p + p { margin-top: 1.4em; }

.wd-page-top {
  padding-top: calc(var(--header-h) + clamp(28px, 5vw, 64px));
}

.wd-zone {
  position: relative;
  padding-block: clamp(56px, 7vw, 104px);
}

.wd-zone--dark { background: var(--ink); color: var(--text); }
.wd-zone--raise { background: var(--ink-soft); color: var(--text); }

.wd-zone--paper {
  background: var(--paper);
  color: #23252B;
}

.wd-zone--paper h1,
.wd-zone--paper h2,
.wd-zone--paper h3,
.wd-zone--paper h4 { color: var(--paper-ink); }

.wd-zone--paper .wd-eyebrow { color: #8A6B22; }
.wd-zone--paper .wd-lead { color: var(--paper-muted); }

.wd-slash {
  height: 1px;
  border: 0;
  margin: 0;
  background: linear-gradient(90deg, var(--gold) 0 46px, var(--line-soft) 46px 100%);
}

.wd-section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: clamp(24px, 3vw, 40px);
}

.wd-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .18em;
  color: var(--gold);
}

.wd-eyebrow::before {
  content: "";
  display: block;
  width: 22px;
  height: 1px;
  background: currentColor;
}

.wd-lead {
  max-width: 62ch;
  font-size: 17.5px;
  color: var(--muted);
}

/* ---------- 06 · 按钮 ---------- */
.wd-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 21px;
  border: 1px solid transparent;
  border-radius: 3px;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .06em;
  white-space: nowrap;
  transition: background-color .22s var(--ease), color .22s var(--ease),
              border-color .22s var(--ease), transform .22s var(--ease),
              box-shadow .22s var(--ease);
}

.wd-btn--gold {
  background: linear-gradient(135deg, var(--gold-light) 0%, var(--gold) 46%, var(--gold-deep) 100%);
  color: #0B0C0E;
}

.wd-btn--gold:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 26px -14px rgba(227, 180, 90, .85);
}

.wd-btn--ghost {
  background: transparent;
  color: var(--gold);
  border-color: var(--line-soft);
}

.wd-btn--ghost:hover {
  border-color: var(--gold);
  color: var(--gold-light);
}

/* ---------- 07 · 页头 ---------- */
.wd-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  background-color: transparent;
  border-bottom: 1px solid transparent;
  transition: background-color .4s var(--ease), border-color .4s var(--ease);
}

.wd-header[data-scrolled="true"] {
  background-color: rgba(11, 12, 14, .9);
  border-bottom-color: var(--line-soft);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
}

.wd-header__inner {
  width: var(--shell);
  min-height: var(--header-h);
  margin-inline: auto;
  display: flex;
  align-items: center;
  gap: clamp(14px, 2.4vw, 44px);
}

/* 品牌 */
.wd-brand {
  display: inline-flex;
  align-items: center;
  gap: 13px;
  flex: 0 0 auto;
  padding: 6px 0;
}

.wd-brand__mark {
  position: relative;
  flex: 0 0 auto;
  width: 30px;
  height: 30px;
  border: 1.5px solid var(--gold);
  border-radius: 5px;
  transform: rotate(45deg);
  transition: transform .5s var(--ease), border-color .3s var(--ease);
}

.wd-brand__mark::after {
  content: "";
  position: absolute;
  inset: 7px;
  background: var(--gold);
  border-radius: 1px;
  opacity: .9;
}

.wd-brand:hover .wd-brand__mark { transform: rotate(135deg); }

.wd-brand__text {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 3px;
}

.wd-brand__name {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: .02em;
  color: #FBF7EC;
}

.wd-brand__tag {
  font-size: 11.5px;
  line-height: 1.25;
  letter-spacing: .1em;
  color: var(--muted);
  white-space: nowrap;
}

/* 导航 */
.wd-nav {
  flex: 1 1 auto;
  min-width: 0;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: clamp(12px, 2vw, 30px);
}

.wd-nav__list {
  display: flex;
  align-items: center;
  gap: clamp(6px, 1.3vw, 22px);
  min-width: 0;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.wd-nav__list::-webkit-scrollbar { display: none; }

.wd-nav__link {
  position: relative;
  display: inline-block;
  padding: 9px 4px 11px;
  font-size: 14.5px;
  letter-spacing: .05em;
  color: var(--text);
  white-space: nowrap;
  transition: color .22s var(--ease);
}

.wd-nav__link::after {
  content: "";
  position: absolute;
  left: 4px;
  right: 4px;
  bottom: 5px;
  height: 1.5px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform .26s var(--ease);
}

.wd-nav__link:hover { color: var(--gold-light); }
.wd-nav__link:hover::after { transform: scaleX(1); }

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

.wd-nav__actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 0 0 auto;
}

.wd-nav__cta { flex: 0 0 auto; }

.wd-version {
  padding: 5px 11px;
  border: 1px solid var(--line-soft);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .06em;
  color: var(--muted);
  white-space: nowrap;
  opacity: 0;
  transform: translateY(-6px);
  pointer-events: none;
  transition: opacity .4s var(--ease), transform .4s var(--ease);
}

.wd-header[data-scrolled="true"] .wd-version {
  opacity: 1;
  transform: translateY(0);
}

/* 汉堡按钮 */
.wd-nav-toggle {
  display: none;
  align-items: center;
  gap: 10px;
  margin-left: auto;
  flex: 0 0 auto;
  padding: 9px 14px;
  border: 1px solid var(--line-soft);
  border-radius: 3px;
  color: var(--gold);
  font-size: 13px;
  letter-spacing: .1em;
  transition: border-color .22s var(--ease), color .22s var(--ease);
}

.wd-nav-toggle:hover { border-color: var(--gold); color: var(--gold-light); }

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

.wd-nav-toggle__bars span {
  display: block;
  height: 1.5px;
  border-radius: 2px;
  background: currentColor;
  transition: transform .28s var(--ease), opacity .2s var(--ease);
}

.wd-nav-toggle[aria-expanded="true"] .wd-nav-toggle__bars span:nth-child(1) {
  transform: translateY(5.5px) rotate(45deg);
}

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

.wd-nav-toggle[aria-expanded="true"] .wd-nav-toggle__bars span:nth-child(3) {
  transform: translateY(-5.5px) rotate(-45deg);
}

.wd-nav-toggle__label { line-height: 1; }

/* ---------- 08 · 阅读进度 ---------- */
.wd-progress {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  z-index: 120;
  width: 2px;
  pointer-events: none;
  background: rgba(107, 85, 44, .16);
}

.wd-progress__fill {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, var(--gold-light) 0%, var(--gold) 40%, var(--gold-deep) 100%);
  transform: scaleY(0);
  transform-origin: top center;
}

.wd-progress__label {
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  writing-mode: vertical-rl;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .28em;
  color: var(--gold);
  white-space: nowrap;
  opacity: 0;
  transition: opacity .4s var(--ease);
}

.wd-progress__label[data-visible="true"] { opacity: .92; }

/* ---------- 09 · 资料卡 / 数据元件 ---------- */
.wd-card {
  position: relative;
  padding: clamp(20px, 2.6vw, 34px);
  background: var(--ink-soft);
  border: 1px solid var(--line-soft);
  border-radius: 2px;
  overflow: hidden;
}

.wd-card::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--gold) 0%, transparent 78%);
  opacity: 0;
  transition: opacity .3s var(--ease);
}

.wd-card:hover::before { opacity: 1; }

.wd-zone--paper .wd-card {
  background: var(--paper-soft);
  border-color: rgba(20, 22, 26, .12);
  color: #2A2C31;
}

.wd-card--flat { padding: clamp(16px, 2vw, 22px); }
.wd-card--flat:hover::before { opacity: 0; }

.wd-kpi {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(38px, 6vw, 64px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.03em;
  color: var(--gold-light);
  font-variant-numeric: tabular-nums;
}

.wd-zone--paper .wd-kpi { color: #96702A; }

.wd-kpi--sm { font-size: clamp(26px, 3.4vw, 38px); }

.wd-kpi__unit {
  margin-left: 6px;
  font-family: var(--font-mono);
  font-size: .36em;
  font-weight: 500;
  letter-spacing: .06em;
  color: var(--muted);
}

.wd-zone--paper .wd-kpi__unit { color: var(--paper-muted); }

.wd-kpi-label {
  display: block;
  margin-top: 10px;
  font-size: 13px;
  letter-spacing: .14em;
  color: var(--muted);
}

.wd-zone--paper .wd-kpi-label { color: var(--paper-muted); }

.wd-tag {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 6px 12px;
  border-radius: 2px;
  background: var(--ink-raise);
  color: var(--text);
  font-size: 13px;
  letter-spacing: .05em;
  transition: color .2s var(--ease), transform .2s var(--ease),
              background-color .2s var(--ease);
}

.wd-tag::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform .24s var(--ease);
}

.wd-tag:hover {
  transform: translateY(-2px);
  color: var(--gold-light);
}

.wd-tag:hover::after { transform: scaleX(1); }

.wd-tag[aria-pressed="true"] {
  color: var(--gold);
  background: rgba(227, 180, 90, .1);
}

.wd-tag[aria-pressed="true"]::after { transform: scaleX(1); }

.wd-zone--paper .wd-tag {
  background: rgba(20, 22, 26, .06);
  color: #2A2C31;
}

.wd-zone--paper .wd-tag:hover { color: #96702A; }

.wd-status {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--muted);
}

.wd-status::before {
  content: "";
  flex: 0 0 auto;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: currentColor;
}

.wd-status--ok { color: var(--jade); }
.wd-status--live { color: var(--gold); }
.wd-status--warn { color: var(--cinnabar); }

.wd-zone--paper .wd-status { color: var(--paper-muted); }
.wd-zone--paper .wd-status--ok { color: #1F6E63; }
.wd-zone--paper .wd-status--live { color: #96702A; }
.wd-zone--paper .wd-status--warn { color: #A9352D; }

/* ---------- 10 · 面包屑 ---------- */
.wd-crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--muted);
}

.wd-crumbs li { display: inline-flex; align-items: center; }

.wd-crumbs li:not(:last-child)::after {
  content: "/";
  margin-left: 8px;
  color: var(--line);
}

.wd-crumbs a {
  border-bottom: 1px solid transparent;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.wd-crumbs a:hover {
  color: var(--gold);
  border-bottom-color: var(--gold);
}

/* ---------- 11 · 网格 ---------- */
.wd-grid {
  display: grid;
  gap: clamp(16px, 2vw, 28px);
}

.wd-grid--12 { grid-template-columns: repeat(12, minmax(0, 1fr)); }
.wd-grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.wd-grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }

.wd-col-4 { grid-column: span 4; }
.wd-col-5 { grid-column: span 5; }
.wd-col-6 { grid-column: span 6; }
.wd-col-7 { grid-column: span 7; }
.wd-col-8 { grid-column: span 8; }

/* ---------- 12 · 图片槽 ---------- */
.wd-media {
  position: relative;
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border: 1px solid var(--line-soft);
  background:
    linear-gradient(135deg, rgba(227, 180, 90, .08) 0%, rgba(46, 140, 127, .06) 100%),
    var(--ink-soft);
}

.wd-media > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(.85) contrast(1.05) brightness(.86);
}

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

.wd-media__cap {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  padding: 14px 16px;
  font-size: 12.5px;
  letter-spacing: .04em;
  color: var(--text);
  background: linear-gradient(180deg, transparent 0%, rgba(11, 12, 14, .88) 100%);
}

/* ---------- 13 · 折叠组 ---------- */
.wd-panel {
  background: var(--ink-soft);
  border: 1px solid var(--line-soft);
  border-radius: 2px;
  overflow: hidden;
}

.wd-panel + .wd-panel { margin-top: 12px; }

.wd-panel > summary {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
  color: var(--text-strong);
  transition: color .2s var(--ease), background-color .2s var(--ease);
}

.wd-panel > summary::-webkit-details-marker { display: none; }
.wd-panel > summary::marker { content: ""; }

.wd-panel > summary:hover {
  color: var(--gold-light);
  background: rgba(227, 180, 90, .05);
}

.wd-panel__num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--gold);
}

.wd-panel__title {
  flex: 1 1 auto;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: -.01em;
}

.wd-panel__arrow {
  flex: 0 0 auto;
  width: 9px;
  height: 9px;
  margin: 0 4px 4px 0;
  border-right: 1.5px solid var(--gold);
  border-bottom: 1.5px solid var(--gold);
  transform: rotate(45deg);
  transition: transform .28s var(--ease);
}

.wd-panel[open] > summary .wd-panel__arrow {
  transform: rotate(-135deg);
  margin: 4px 4px 0 0;
}

.wd-panel[open] > summary { color: var(--gold); }

.wd-panel__body {
  padding: 0 18px 20px;
  font-size: 16px;
  color: var(--text);
}

.wd-panel[open] .wd-panel__body {
  animation: wdReveal .28s var(--ease) both;
}

@keyframes wdReveal {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: none; }
}

.wd-zone--paper .wd-panel {
  background: var(--paper-soft);
  border-color: rgba(20, 22, 26, .12);
}

.wd-zone--paper .wd-panel > summary { color: var(--paper-ink); }
.wd-zone--paper .wd-panel__body { color: #33363C; }

/* ---------- 14 · 页脚 ---------- */
.wd-footer {
  position: relative;
  border-top: 1px solid var(--line-soft);
  background: var(--ink);
  color: var(--text);
  overflow: hidden;
}

.wd-footer::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(560px 300px at 88% 0%, rgba(227, 180, 90, .1), transparent 70%),
    radial-gradient(420px 260px at 4% 100%, rgba(46, 140, 127, .07), transparent 70%);
}

.wd-footer__inner {
  position: relative;
  z-index: 1;
  width: var(--shell);
  margin-inline: auto;
  padding: clamp(46px, 6vw, 84px) 0 clamp(28px, 3vw, 40px);
}

.wd-footer__top {
  display: grid;
  grid-template-columns: minmax(240px, 1fr) minmax(0, 1.5fr);
  gap: clamp(32px, 5vw, 80px);
  padding-bottom: clamp(30px, 4vw, 52px);
  border-bottom: 1px solid var(--line-soft);
}

.wd-footer__brand .wd-brand { padding: 0; }

.wd-footer__note {
  max-width: 40ch;
  margin-top: 20px;
  font-size: 14px;
  line-height: 1.9;
  color: var(--muted);
}

.wd-footer__cols {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(20px, 3vw, 44px);
}

.wd-footer__col-title {
  margin-bottom: 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .22em;
  color: var(--gold);
}

.wd-footer__links {
  display: flex;
  flex-direction: column;
  gap: 11px;
}

.wd-footer__links a {
  position: relative;
  display: inline-block;
  width: fit-content;
  font-size: 14.5px;
  color: var(--text);
  transition: color .2s var(--ease), transform .2s var(--ease);
}

.wd-footer__links a::before {
  content: "";
  position: absolute;
  top: 50%;
  left: -14px;
  width: 8px;
  height: 1px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: right center;
  transition: transform .24s var(--ease);
}

.wd-footer__links a:hover {
  color: var(--gold-light);
  transform: translateX(6px);
}

.wd-footer__links a:hover::before { transform: scaleX(1); }

.wd-footer__contact {
  padding: clamp(26px, 3.4vw, 40px) 0;
  border-bottom: 1px solid var(--line-soft);
}

.wd-footer__contact-title {
  margin-bottom: 18px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .22em;
  color: var(--muted);
}

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

.wd-footer__contact-item {
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.wd-footer__key {
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--muted);
}

.wd-footer__val {
  font-size: 15px;
  color: #EFE9DC;
  word-break: break-word;
}

.wd-footer__val--mono {
  font-family: var(--font-mono);
  font-size: 15.5px;
  letter-spacing: .02em;
}

.wd-footer__bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 28px;
  padding-top: clamp(20px, 2.6vw, 32px);
  font-size: 12.5px;
  letter-spacing: .04em;
  color: var(--muted);
}

.wd-footer__copy { margin-left: auto; }

/* ---------- 15 · 响应式 ---------- */
@media (max-width: 1080px) {
  :root { --header-h: 68px; }

  .wd-brand__tag { display: none; }

  .wd-nav-toggle { display: inline-flex; }

  .wd-nav {
    position: fixed;
    inset: 0;
    z-index: 99;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    gap: 0;
    padding: calc(var(--header-h) + 30px) 28px 48px;
    background: rgba(11, 12, 14, .97);
    -webkit-backdrop-filter: blur(16px);
    backdrop-filter: blur(16px);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: opacity .28s var(--ease), transform .28s var(--ease),
                visibility 0s linear .28s;
  }

  .wd-nav[data-open="true"] {
    opacity: 1;
    visibility: visible;
    transform: none;
    transition: opacity .28s var(--ease), transform .28s var(--ease),
                visibility 0s linear 0s;
  }

  .wd-nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    overflow: visible;
  }

  .wd-nav__item { border-bottom: 1px solid var(--line-soft); }

  .wd-nav__link {
    display: block;
    padding: 15px 2px;
    font-size: 16.5px;
  }

  .wd-nav__link::after {
    left: 2px;
    right: auto;
    width: 28px;
    bottom: 0;
  }

  .wd-nav__actions {
    flex-direction: column;
    align-items: stretch;
    gap: 14px;
    margin-top: 30px;
  }

  .wd-version {
    align-self: flex-start;
    opacity: 1;
    transform: none;
    pointer-events: auto;
  }

  .wd-nav__cta { width: 100%; }

  .wd-progress { display: none; }

  .wd-footer__top { grid-template-columns: 1fr; }
}

@media (max-width: 860px) {
  .wd-grid--12 { grid-template-columns: repeat(6, minmax(0, 1fr)); }
  .wd-col-4, .wd-col-5, .wd-col-6, .wd-col-7, .wd-col-8 { grid-column: span 6; }
  .wd-grid--3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .wd-footer__contact-list { grid-template-columns: 1fr; }
  .wd-footer__copy { margin-left: 0; }
}

@media (max-width: 620px) {
  body { font-size: 16.5px; }

  .wd-shell { width: min(1360px, 100% - 36px); }
  .wd-prose { width: min(720px, 100% - 36px); }

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

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

  .wd-footer__bottom { flex-direction: column; align-items: flex-start; gap: 8px; }
}

/* ---------- 16 · 减少动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

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