/* ==========================================================================
   金游世界游戏 — 共享样式表 /assets/site.css
   深空舞台 · 夜航面板 · 鎏金坐标 · 霓虹青交互
   ========================================================================== */

/* ---------- 1. 设计变量 ---------- */
:root {
  --ink: #050914;
  --ink-deep: #03060E;
  --panel: #0B1222;
  --panel-hi: #101B2F;
  --gold: #D8A84E;
  --cream: #F3E8D0;
  --cyan: #44E0CF;
  --amber: #FF8A3C;
  --green: #5CE0A0;
  --mist: #91A7C6;
  --umber: #1A120D;
  --alert: #FF5D6C;

  --line-soft: rgba(243, 232, 208, .10);
  --line-mid: rgba(243, 232, 208, .18);
  --line-gold: rgba(216, 168, 78, .34);

  --font-display: "PingFang SC", "HarmonyOS Sans SC", "Source Han Sans SC", "Noto Sans SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  --font-body: var(--font-display);
  --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;

  --r-pill: 999px;
  --r-lg: 26px;
  --r-md: 18px;
  --r-sm: 12px;

  --shell: min(1180px, 100% - clamp(1.5rem, 5vw, 3rem));
  --gutter: clamp(.75rem, 2vw, 1.5rem);
  --sp-block: clamp(2.5rem, 6vw, 4.5rem);

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

/* ---------- 2. 重置 ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

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

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

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

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

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

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

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

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

/* ---------- 3. 基础排版 ---------- */
body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  font-family: var(--font-body);
  font-size: clamp(.95rem, .9rem + .2vw, 1.05rem);
  line-height: 1.7;
  color: var(--cream);
  background-color: var(--ink);
  background-image:
    radial-gradient(900px 520px at 88% -8%, rgba(68, 224, 207, .10), transparent 62%),
    radial-gradient(720px 440px at 4% 102%, rgba(216, 168, 78, .09), transparent 64%),
    linear-gradient(180deg, #050914 0%, #050914 55%, #060B18 100%);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
}

#main-content {
  flex: 1 0 auto;
  display: block;
}

#main-content:focus { outline: none; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 800;
  color: var(--cream);
  text-wrap: balance;
}

p { text-wrap: pretty; }

::selection {
  background: rgba(68, 224, 207, .32);
  color: #FFFFFF;
}

/* ---------- 4. 焦点与可见性 ---------- */
:where(a, button, [tabindex], summary, input):focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  border-radius: 8px;
}

.skip-link {
  position: fixed;
  top: .5rem;
  left: .5rem;
  z-index: 300;
  padding: .7rem 1.15rem;
  border-radius: var(--r-pill);
  background: var(--cyan);
  color: #04141A;
  font-weight: 800;
  font-size: .9rem;
  transform: translateY(-180%);
  transition: transform .2s var(--ease);
}

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

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

/* ---------- 5. 布局容器 ---------- */
.container {
  width: var(--shell);
  margin-inline: auto;
}

.section {
  padding-block: var(--sp-block);
}

.rule {
  height: 1px;
  border: 0;
  background: linear-gradient(90deg, rgba(216, 168, 78, .55), rgba(216, 168, 78, 0) 78%);
}

/* ---------- 6. 文字建筑 ---------- */
.h-display {
  font-size: clamp(2.6rem, 7.2vw, 5.2rem);
  line-height: .94;
  letter-spacing: -.035em;
  font-weight: 900;
}

.h-xl {
  font-size: clamp(2rem, 4.6vw, 3.4rem);
  line-height: 1.04;
  letter-spacing: -.025em;
  font-weight: 800;
}

.h-lg {
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  line-height: 1.2;
  letter-spacing: -.015em;
  font-weight: 800;
}

.h-md {
  font-size: clamp(1.1rem, 1.8vw, 1.35rem);
  line-height: 1.35;
  font-weight: 700;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--gold);
}

.eyebrow::before {
  content: "";
  width: 1.6rem;
  height: 1px;
  background: currentColor;
  opacity: .65;
}

.lede {
  max-width: 62ch;
  font-size: clamp(1rem, 1.35vw, 1.15rem);
  line-height: 1.78;
  color: var(--mist);
}

.prose {
  max-width: 68ch;
  line-height: 1.8;
  color: rgba(243, 232, 208, .86);
}

.prose > * + * { margin-top: 1em; }

.prose h2 {
  margin-top: 2em;
  font-size: clamp(1.25rem, 2.2vw, 1.65rem);
  letter-spacing: -.01em;
}

.prose h3 {
  margin-top: 1.6em;
  font-size: clamp(1.05rem, 1.6vw, 1.2rem);
}

.prose ul, .prose ol {
  padding-left: 1.25em;
  list-style: disc;
}

.prose a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: .22em;
}

.prose code,
.prose .mono {
  font-family: var(--font-mono);
  font-size: .9em;
  color: var(--cyan);
  background: rgba(68, 224, 207, .10);
  padding: .1em .42em;
  border-radius: 5px;
}

.coord {
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--mist);
}

.num,
.mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: -.01em;
}

/* ---------- 7. 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  padding: .8rem 1.45rem;
  border: 1px solid transparent;
  border-radius: var(--r-pill);
  font-weight: 800;
  font-size: .95rem;
  letter-spacing: .01em;
  line-height: 1.2;
  transition: transform .2s var(--ease), box-shadow .2s var(--ease),
              background-color .2s var(--ease), color .2s var(--ease),
              border-color .2s var(--ease);
}

.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn-primary {
  background: linear-gradient(135deg, var(--cyan), #1FB8A9);
  color: #04141A;
  box-shadow: 0 14px 32px -18px rgba(68, 224, 207, .95);
}

.btn-primary:hover { box-shadow: 0 18px 38px -16px rgba(68, 224, 207, 1); }

.btn-gold {
  background: linear-gradient(135deg, var(--gold), #B8862F);
  color: #150E04;
  box-shadow: 0 14px 32px -18px rgba(216, 168, 78, .95);
}

.btn-gold:hover { box-shadow: 0 18px 38px -16px rgba(216, 168, 78, 1); }

.btn-ghost {
  background: transparent;
  border-color: var(--line-mid);
  color: var(--cream);
}

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

/* ---------- 8. 面包屑 ---------- */
.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .45rem;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .04em;
  color: var(--mist);
}

.breadcrumbs li {
  display: flex;
  align-items: center;
  gap: .45rem;
}

.breadcrumbs li + li::before {
  content: "/";
  color: rgba(145, 167, 198, .45);
}

.breadcrumbs a { transition: color .2s var(--ease); }
.breadcrumbs a:hover { color: var(--cyan); }
.breadcrumbs [aria-current="page"] { color: var(--cream); }

/* ---------- 9. 网格与面板 ---------- */
.grid {
  display: grid;
  gap: clamp(1rem, 2vw, 1.5rem);
}

.grid-2 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 258px), 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 206px), 1fr)); }

.panel {
  position: relative;
  padding: clamp(1.1rem, 2.2vw, 1.75rem);
  border: 1px solid var(--line-soft);
  border-radius: var(--r-lg);
  background:
    linear-gradient(160deg, rgba(16, 27, 47, .94), rgba(11, 18, 34, .96));
}

.panel--gold {
  border-color: var(--line-gold);
  box-shadow:
    0 0 0 1px rgba(216, 168, 78, .07),
    0 34px 70px -46px rgba(216, 168, 78, .7);
}

.card {
  padding: clamp(.95rem, 1.8vw, 1.35rem);
  border: 1px solid var(--line-soft);
  border-radius: var(--r-md);
  background: var(--panel);
  transition: border-color .2s var(--ease), transform .2s var(--ease),
              box-shadow .2s var(--ease);
}

.card:hover {
  border-color: rgba(68, 224, 207, .35);
  transform: translateY(-3px);
  box-shadow: 0 26px 50px -36px rgba(68, 224, 207, .75);
}

/* ---------- 10. 状态标签 ---------- */
.tag {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  padding: .26rem .68rem;
  border: 1px solid transparent;
  border-radius: var(--r-pill);
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .04em;
  line-height: 1.5;
  white-space: nowrap;
}

.tag--open {
  color: var(--amber);
  background: rgba(255, 138, 60, .12);
  border-color: rgba(255, 138, 60, .38);
}

.tag--review {
  color: var(--green);
  background: rgba(92, 224, 160, .12);
  border-color: rgba(92, 224, 160, .36);
}

.tag--guide {
  color: var(--cyan);
  background: rgba(68, 224, 207, .12);
  border-color: rgba(68, 224, 207, .36);
}

.tag--gold {
  color: var(--gold);
  background: rgba(216, 168, 78, .12);
  border-color: rgba(216, 168, 78, .38);
}

/* ---------- 11. 图片容器（页面阶段放置图片） ---------- */
.media-frame {
  position: relative;
  display: block;
  width: 100%;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  isolation: isolate;
  border: 1px solid var(--line-soft);
  border-radius: var(--r-md);
  background-color: var(--panel);
  background-image:
    radial-gradient(120% 120% at 18% 0%, rgba(68, 224, 207, .18), transparent 56%),
    radial-gradient(110% 110% at 92% 100%, rgba(216, 168, 78, .22), transparent 62%),
    linear-gradient(145deg, #0B1222, #070D1A);
}

.media-frame > img,
.media-frame > picture > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .4s var(--ease);
}

.media-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  box-shadow: inset 0 0 0 1px rgba(243, 232, 208, .07);
  pointer-events: none;
}

.media-frame:hover > img { transform: scale(1.03); }

.media-frame--hero { aspect-ratio: 4 / 3; }
.media-frame--wide { aspect-ratio: 21 / 9; }
.media-frame--square { aspect-ratio: 1 / 1; }

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

/* ---------- 12. 页头：悬浮胶囊浮岛 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 90;
  padding: clamp(.6rem, 1.6vw, 1.05rem) var(--gutter) 0;
  pointer-events: none;
}

.header-capsule {
  pointer-events: auto;
  display: flex;
  align-items: center;
  gap: clamp(.35rem, 1vw, 1rem);
  width: min(1240px, 100%);
  margin-inline: auto;
  padding: .48rem .55rem .48rem .7rem;
  border: 1px solid var(--line-gold);
  border-radius: var(--r-pill);
  background: rgba(11, 18, 34, .82);
  box-shadow:
    0 22px 48px -28px rgba(0, 0, 0, .95),
    inset 0 1px 0 rgba(243, 232, 208, .07);
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  transition: padding .3s var(--ease), background-color .3s var(--ease),
              box-shadow .3s var(--ease);
}

.site-header[data-stuck] .header-capsule {
  padding-block: .32rem;
  background: rgba(9, 15, 28, .95);
  box-shadow:
    0 26px 54px -30px rgba(0, 0, 0, 1),
    inset 0 1px 0 rgba(243, 232, 208, .09);
}

/* 品牌 */
.brand {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  flex: 0 0 auto;
  padding: .12rem .28rem;
  border-radius: var(--r-pill);
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  border-radius: 10px;
  font-size: .95rem;
  font-weight: 900;
  color: #0A0F1C;
  background: linear-gradient(145deg, #E8BE6C, #A8792C);
  box-shadow: 0 0 18px rgba(216, 168, 78, .38);
}

.brand-text {
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: .04em;
  color: var(--cream);
  white-space: nowrap;
}

/* 主导航 */
.site-nav {
  margin-inline: auto;
  min-width: 0;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: .1rem;
  margin: 0;
  padding: 0;
}

.nav-item { display: flex; }

.nav-link {
  display: inline-block;
  padding: .48rem .72rem;
  border-radius: var(--r-pill);
  font-size: .9rem;
  font-weight: 500;
  color: var(--mist);
  white-space: nowrap;
  transition: color .2s var(--ease), background-color .2s var(--ease);
}

.nav-link:hover {
  color: var(--cream);
  background: rgba(243, 232, 208, .07);
}

.nav-link[aria-current="page"] {
  color: #150E04;
  font-weight: 800;
  background: linear-gradient(135deg, #E8BE6C, var(--gold));
  box-shadow: 0 8px 22px -14px rgba(216, 168, 78, .95);
}

.nav-link[aria-current="page"]:hover {
  color: #150E04;
  background: linear-gradient(135deg, #F0C878, var(--gold));
}

/* 移动端下拉底部的快捷行（桌面隐藏） */
.nav-extra { display: none; }

.nav-extra-link,
.nav-extra-cta {
  display: block;
  padding: .72rem 1rem;
  border-radius: 14px;
  font-size: .92rem;
  text-align: center;
}

.nav-extra-link {
  color: var(--amber);
  border: 1px solid rgba(255, 138, 60, .38);
  background: rgba(255, 138, 60, .10);
  font-family: var(--font-mono);
}

.nav-extra-cta {
  font-weight: 800;
  color: #150E04;
  background: linear-gradient(135deg, #E8BE6C, var(--gold));
}

/* 今日开服状态灯 */
.header-calendar {
  display: inline-flex;
  align-items: center;
  gap: .42rem;
  flex: 0 0 auto;
  padding: .42rem .8rem;
  border: 1px solid rgba(255, 138, 60, .42);
  border-radius: var(--r-pill);
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .04em;
  color: var(--amber);
  background: rgba(255, 138, 60, .10);
  white-space: nowrap;
  transition: background-color .2s var(--ease), border-color .2s var(--ease);
}

.header-calendar::before {
  content: "";
  width: .45rem;
  height: .45rem;
  border-radius: 50%;
  background: var(--amber);
  box-shadow: 0 0 10px var(--amber);
  animation: goldPulse 3.2s ease-in-out infinite;
}

.header-calendar:hover {
  background: rgba(255, 138, 60, .18);
  border-color: rgba(255, 138, 60, .7);
}

@keyframes goldPulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: .5; transform: scale(.78); }
}

/* 主行动胶囊 */
.header-cta {
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
  padding: .52rem 1.05rem;
  border-radius: var(--r-pill);
  font-size: .86rem;
  font-weight: 800;
  white-space: nowrap;
  color: #150E04;
  background: linear-gradient(135deg, #E8BE6C, var(--gold));
  box-shadow: 0 12px 28px -16px rgba(216, 168, 78, .95);
  transition: transform .2s var(--ease), box-shadow .2s var(--ease),
              background-color .2s var(--ease);
}

.header-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 34px -14px rgba(216, 168, 78, 1);
}

/* 移动菜单按钮 */
.nav-toggle {
  display: none;
  align-items: center;
  gap: .5rem;
  flex: 0 0 auto;
  margin-left: auto;
  padding: .5rem .9rem;
  border: 1px solid var(--line-mid);
  border-radius: var(--r-pill);
  color: var(--cream);
  font-size: .84rem;
  font-weight: 600;
  transition: border-color .2s var(--ease), color .2s var(--ease);
}

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

.nav-toggle-bars {
  display: grid;
  gap: 4px;
  width: 16px;
}

.nav-toggle-bar {
  display: block;
  width: 16px;
  height: 2px;
  border-radius: 2px;
  background: currentColor;
  transition: transform .26s var(--ease), opacity .2s var(--ease);
}

.nav-toggle-text { white-space: nowrap; }

[data-open] .nav-toggle-bar:first-child { transform: translateY(3px) rotate(45deg); }
[data-open] .nav-toggle-bar:last-child { transform: translateY(-3px) rotate(-45deg); }
[data-open] .nav-toggle { border-color: var(--cyan); color: var(--cyan); }

/* ---------- 13. 页脚 ---------- */
.site-footer {
  margin-top: clamp(3rem, 8vw, 6rem);
  padding-block: clamp(2.5rem, 6vw, 4rem) 0;
  border-top: 1px solid var(--line-soft);
  background-color: var(--ink-deep);
  background-image:
    radial-gradient(80% 130% at 92% 0%, rgba(68, 224, 207, .09), transparent 62%),
    radial-gradient(70% 120% at 0% 100%, rgba(216, 168, 78, .09), transparent 62%),
    linear-gradient(180deg, #04070F, #02040A);
}

.footer-shell {
  width: var(--shell);
  margin-inline: auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) repeat(2, minmax(0, 1fr)) minmax(0, 1.25fr);
  gap: clamp(1.75rem, 4vw, 3rem);
}

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

.footer-blurb {
  margin-top: 1rem;
  max-width: 34ch;
  font-size: .93rem;
  line-height: 1.75;
  color: var(--mist);
}

.footer-clock {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  margin-top: 1.05rem;
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .04em;
  color: var(--green);
}

.footer-clock-dot {
  width: .48rem;
  height: .48rem;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 10px var(--green);
}

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

.footer-col-title {
  margin-bottom: .95rem;
  font-family: var(--font-mono);
  font-size: .74rem;
  font-weight: 700;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--gold);
}

.footer-list {
  display: grid;
  gap: .55rem;
  margin: 0;
  padding: 0;
}

.footer-link {
  display: inline-block;
  font-size: .94rem;
  color: var(--mist);
  transition: color .2s var(--ease), transform .2s var(--ease);
}

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

.footer-contact-link {
  margin-top: 1.05rem;
  padding-bottom: .15rem;
  border-bottom: 1px solid rgba(68, 224, 207, .45);
  color: var(--cyan);
  font-size: .9rem;
}

.footer-contact-link:hover { color: var(--cream); border-color: var(--cream); }

.contact-list {
  display: grid;
  gap: .8rem;
  margin: 0;
}

.contact-row {
  display: grid;
  gap: .16rem;
}

.contact-row dt {
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: rgba(145, 167, 198, .8);
}

.contact-row dd {
  margin: 0;
  font-size: .93rem;
  line-height: 1.55;
  color: var(--cream);
  word-break: break-word;
}

.contact-row dd .mono {
  font-size: .86rem;
  color: var(--cyan);
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: .6rem 1.5rem;
  margin-top: clamp(2rem, 5vw, 3rem);
  padding-block: 1.3rem;
  border-top: 1px solid rgba(243, 232, 208, .08);
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .03em;
  color: var(--mist);
}

.footer-copy { margin: 0; }
.footer-icp { margin: 0; color: var(--gold); }

/* ---------- 14. 滚动进度条（由 site.js 注入） ---------- */
.scroll-meter {
  position: fixed;
  inset: 0 0 auto 0;
  height: 3px;
  z-index: 200;
  background: rgba(243, 232, 208, .06);
  pointer-events: none;
}

.scroll-meter-bar {
  display: block;
  width: 100%;
  height: 100%;
  transform: scaleX(0);
  transform-origin: 0 50%;
  background: linear-gradient(90deg, var(--gold), var(--cyan) 55%, var(--green));
  box-shadow: 0 0 12px rgba(68, 224, 207, .55);
}

/* ---------- 15. 响应式 ---------- */
@media (max-width: 1149px) {
  .nav-link { padding: .44rem .58rem; font-size: .86rem; }
  .header-capsule { gap: .35rem; }
  .header-calendar { padding-inline: .68rem; font-size: .74rem; }
  .header-cta { padding-inline: .85rem; font-size: .8rem; }
  .brand-text { font-size: .94rem; }
}

@media (max-width: 1023px) {
  .nav-toggle { display: inline-flex; }

  .header-calendar,
  .header-cta { display: none; }

  .site-nav {
    position: absolute;
    top: calc(100% + .55rem);
    left: 0;
    right: 0;
    margin: 0 var(--gutter);
    padding: .6rem;
    border: 1px solid var(--line-gold);
    border-radius: 24px;
    background: rgba(9, 15, 28, .97);
    box-shadow: 0 34px 74px -36px rgba(0, 0, 0, 1);
    backdrop-filter: blur(20px) saturate(150%);
    -webkit-backdrop-filter: blur(20px) saturate(150%);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    pointer-events: auto;
    transition: opacity .22s var(--ease), transform .22s var(--ease),
                visibility .22s var(--ease);
  }

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

  .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: .18rem;
  }

  .nav-link {
    display: block;
    padding: .82rem 1rem;
    border-radius: 16px;
    font-size: 1rem;
    color: var(--cream);
  }

  .nav-link[aria-current="page"] { border-radius: 16px; }

  .nav-extra {
    display: grid;
    gap: .5rem;
    margin-top: .55rem;
    padding-top: .7rem;
    border-top: 1px solid var(--line-soft);
  }

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

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

@media (max-width: 599px) {
  :root { --r-lg: 20px; }

  .footer-grid { grid-template-columns: 1fr; }

  .footer-bottom {
    justify-content: flex-start;
    font-size: .7rem;
  }

  .breadcrumbs { font-size: .7rem; }
}

/* ---------- 16. 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;
    scroll-behavior: auto !important;
  }

  .btn:hover,
  .card:hover,
  .header-cta:hover,
  .footer-link:hover { transform: none; }
}