/* =========================================================
   澳门百老汇站 · 共享样式 /assets/site.css
   夜墨绿底 · 暖金结构 · 霓虹分区 · 切角与斜向轨道
   ========================================================= */

/* ---------- 1. 变量 ---------- */
:root {
  --ink: #061814;
  --ink-deep: #04100d;
  --panel: #0b241e;
  --panel-2: #0f2e26;

  --gold: #e8b45a;
  --gold-soft: #f6e7c8;
  --rose: #ff4d8d;
  --blue: #35c8ff;
  --mint: #4be3b0;
  --fog: #97a69f;
  --violet: #8a6cff;

  --line: rgba(232, 180, 90, 0.22);
  --line-soft: rgba(151, 166, 159, 0.16);

  --font-display: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans SC", sans-serif;
  --font-body: "Songti SC", "Source Han Serif SC", "Noto Serif SC", "SimSun", Georgia, serif;
  --font-mono: ui-monospace, "SF Mono", "Menlo", "Consolas", "Courier New", monospace;

  --rail-w: 18.5rem;
  --bar-h: 4rem;
  --quick-h: 3.9rem;
  --wrap: 74rem;
  --pad: 1.25rem;

  --ease: cubic-bezier(0.22, 0.8, 0.24, 1);
  --dur: 0.4s;
}

@media (min-width: 768px) {
  :root { --pad: 2rem; }
}

@media (min-width: 1024px) {
  :root { --pad: 3rem; }
}

/* ---------- 2. 重置与基础排版 ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--bar-h) + 1.5rem);
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.85;
  color: rgba(246, 231, 200, 0.86);
  background-color: var(--ink);
  background-image:
    repeating-linear-gradient(118deg, rgba(246, 231, 200, 0.022) 0 1px, transparent 1px 9px),
    radial-gradient(60rem 40rem at 86% -8%, rgba(53, 200, 255, 0.11), transparent 62%),
    radial-gradient(48rem 34rem at 4% 2%, rgba(255, 77, 141, 0.09), transparent 60%),
    radial-gradient(56rem 44rem at 52% 108%, rgba(138, 108, 255, 0.13), transparent 66%);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: var(--gold-soft);
  text-wrap: balance;
}

h1 { font-size: clamp(2.5rem, 6.4vw, 5.5rem); letter-spacing: -0.035em; }
h2 { font-size: clamp(1.75rem, 3.4vw, 2.75rem); }
h3 { font-size: clamp(1.25rem, 2vw, 1.65rem); }
h4 { font-size: 1.1rem; }

p { margin: 0 0 1rem; }
p:last-child { margin-bottom: 0; }

a { color: var(--gold); text-decoration-thickness: 1px; text-underline-offset: 0.22em; }
a:hover { color: var(--gold-soft); }

ul, ol { margin: 0 0 1rem; padding-left: 1.25rem; }
img, svg, video { max-width: 100%; }
i { font-style: normal; }
button { font: inherit; color: inherit; }

::selection { background: var(--gold); color: #061814; }

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

/* ---------- 3. 工具与骨架 ---------- */
.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: var(--pad);
}

.grid-12 {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 1.25rem;
}

.visually-hidden {
  position: absolute !important;
  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;
}

.idx-num {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--fog);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--gold);
}

.eyebrow::before {
  content: "";
  width: 1.6rem;
  height: 1px;
  background: linear-gradient(90deg, var(--gold), transparent);
}

.section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.6rem 1.1rem;
  margin-bottom: 1.5rem;
  padding-bottom: 0.9rem;
  border-bottom: 1px solid var(--line-soft);
}

#main-content {
  display: block;
  position: relative;
  z-index: 1;
}

@media (min-width: 1024px) {
  html { scroll-padding-top: 2.5rem; }
  #main-content { margin-left: var(--rail-w); }
}

/* ---------- 4. 跳至主内容 ---------- */
.skip-link {
  position: fixed;
  top: -6rem;
  left: 1rem;
  z-index: 220;
  display: inline-flex;
  align-items: center;
  min-height: 2.75rem;
  padding: 0 1.25rem;
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  color: #061814;
  background: var(--gold);
  text-decoration: none;
  clip-path: polygon(0 0, 100% 0, 100% 100%, 0.75rem 100%, 0 70%);
  transition: top 0.24s var(--ease);
}

.skip-link:focus,
.skip-link:focus-visible {
  top: 0.75rem;
  color: #061814;
  outline-offset: -4px;
}

/* ---------- 5. 头部（移动优先） ---------- */
.site-head {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 0;
  z-index: 90;
  color: var(--gold-soft);
}

.head-scrim {
  position: fixed;
  inset: 0;
  z-index: 1;
  background: rgba(2, 10, 8, 0.74);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.32s var(--ease);
}

.site-head[data-open="true"] .head-scrim {
  opacity: 1;
  pointer-events: auto;
}

.head-bar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 3;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  height: var(--bar-h);
  padding: 0 var(--pad);
  background: rgba(6, 24, 20, 0.92);
  border-bottom: 1px solid var(--line);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
}

/* 品牌 */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--gold-soft);
  text-decoration: none;
}

.brand:hover { color: var(--gold); }

.brand-mark {
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  width: 2.2rem;
  height: 2.2rem;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 800;
  color: #061814;
  background: linear-gradient(145deg, var(--gold), #c98f36);
  clip-path: polygon(0 0, 100% 0, 100% 74%, 74% 100%, 0 100%);
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.08;
  min-width: 0;
}

.brand-cn {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: 0.01em;
  white-space: nowrap;
}

.brand-en {
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--fog);
}

/* 汉堡按钮 */
.nav-toggle {
  position: relative;
  z-index: 4;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  min-height: 2.6rem;
  padding: 0 0.9rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  color: var(--gold-soft);
  background: rgba(232, 180, 90, 0.09);
  border: 1px solid var(--line);
  cursor: pointer;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 9px), calc(100% - 9px) 100%, 0 100%);
  transition: background 0.25s var(--ease), color 0.25s var(--ease);
}

.nav-toggle:hover {
  background: rgba(232, 180, 90, 0.18);
  color: var(--gold);
}

.nav-toggle-label { letter-spacing: 0.18em; }

.nav-toggle-icon {
  display: grid;
  gap: 3px;
  width: 1.05rem;
}

.nav-toggle-icon i {
  display: block;
  height: 2px;
  background: currentColor;
  transform-origin: center;
  transition: transform 0.3s var(--ease), opacity 0.3s var(--ease);
}

.site-head[data-open="true"] .nav-toggle-icon i:nth-child(1) { transform: translateY(5px) rotate(45deg); }
.site-head[data-open="true"] .nav-toggle-icon i:nth-child(2) { opacity: 0; }
.site-head[data-open="true"] .nav-toggle-icon i:nth-child(3) { transform: translateY(-5px) rotate(-45deg); }

/* 抽屉 */
.head-drawer {
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  z-index: 2;
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
  width: min(88vw, 21rem);
  padding: calc(var(--bar-h) + 1.5rem) 1.35rem 2.5rem;
  background: linear-gradient(180deg, var(--panel-2), var(--panel) 42%, var(--ink));
  border-right: 1px solid var(--line);
  overflow-y: auto;
  transform: translateX(-102%);
  transition: transform 0.45s var(--ease);
}

.site-head[data-open="true"] .head-drawer { transform: translateX(0); }

.head-drawer::-webkit-scrollbar { width: 6px; }
.head-drawer::-webkit-scrollbar-thumb { background: rgba(232, 180, 90, 0.3); }

/* 导航列表 */
.nav-rail { display: block; }

.nav-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.nav-item { position: relative; }

.nav-link {
  display: grid;
  grid-template-columns: 2.4rem 1fr;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 0.8rem;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: rgba(246, 231, 200, 0.82);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: color 0.25s var(--ease), background 0.25s var(--ease), border-color 0.25s var(--ease);
}

.nav-idx {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  color: var(--fog);
  transition: color 0.25s var(--ease);
}

.nav-label { display: block; }

.nav-link:hover {
  color: var(--gold);
  background: rgba(232, 180, 90, 0.07);
  border-left-color: rgba(232, 180, 90, 0.5);
}

.nav-link:hover .nav-idx { color: var(--gold); }

.nav-link[aria-current="page"] {
  color: #061814;
  background: linear-gradient(90deg, var(--gold) 0%, rgba(232, 180, 90, 0.62) 100%);
  border-left-color: var(--gold-soft);
}

.nav-link[aria-current="page"] .nav-idx { color: rgba(6, 24, 20, 0.72); }

/* 轨道辅助 */
.rail-aux {
  margin-top: auto;
  padding-top: 1.1rem;
  border-top: 1px solid var(--line-soft);
}

.rail-aux-k {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--fog);
}

.rail-aux-v {
  display: inline-block;
  margin-top: 0.35rem;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
}

.rail-aux-v:hover { color: var(--gold-soft); border-bottom-color: var(--gold); }

.rail-aux-n {
  margin: 0.5rem 0 0;
  font-size: 0.76rem;
  line-height: 1.7;
  color: var(--fog);
}

/* 底部快捷栏 */
.quick-bar {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 40;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  background: rgba(11, 36, 30, 0.97);
  border-top: 1px solid var(--line);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  padding-bottom: env(safe-area-inset-bottom, 0px);
}

.quick-bar a {
  display: grid;
  place-items: center;
  gap: 0.22rem;
  min-height: var(--quick-h);
  padding: 0.4rem 0.15rem;
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  color: rgba(246, 231, 200, 0.66);
  text-decoration: none;
  transition: color 0.24s var(--ease);
}

.quick-bar a::before {
  content: "";
  width: 1.1rem;
  height: 2px;
  background: currentColor;
  opacity: 0.35;
  transition: opacity 0.24s var(--ease), background 0.24s var(--ease);
}

.quick-bar a:hover { color: var(--gold); }

.quick-bar a[aria-current="page"] { color: var(--gold); }
.quick-bar a[aria-current="page"]::before { opacity: 1; background: var(--gold); }

/* ---------- 6. 桌面端：左侧轨道 ---------- */
@media (min-width: 1024px) {
  .site-head {
    right: auto;
    bottom: 0;
    width: var(--rail-w);
    height: auto;
    display: flex;
    flex-direction: column;
    background: linear-gradient(180deg, rgba(11, 36, 30, 0.96), rgba(4, 16, 13, 0.99));
    border-right: 1px solid var(--line);
    background-image:
      repeating-linear-gradient(102deg, rgba(246, 231, 200, 0.02) 0 1px, transparent 1px 11px),
      linear-gradient(180deg, rgba(11, 36, 30, 0.96), rgba(4, 16, 13, 0.99));
  }

  .head-scrim { display: none; }

  .head-bar {
    position: static;
    flex: 0 0 auto;
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    gap: 1rem;
    height: auto;
    padding: 1.85rem 1.5rem 1.4rem;
    background: transparent;
    border-bottom: 1px solid var(--line);
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
  }

  .nav-toggle { display: none; }

  .brand { width: 100%; }
  .brand-mark { width: 2.5rem; height: 2.5rem; font-size: 1.15rem; }
  .brand-cn { font-size: 1.15rem; }

  .head-drawer {
    position: static;
    flex: 1 1 auto;
    width: auto;
    transform: none;
    padding: 1.35rem 0.85rem 1.2rem;
    background: transparent;
    border-right: 0;
    overflow-y: auto;
    overflow-x: hidden;
    gap: 1.5rem;
  }

  .site-head[data-open="true"] .head-drawer { transform: none; }

  .nav-link { font-size: 1rem; padding: 0.8rem 0.75rem; }

  .quick-bar { display: none; }
}

/* ---------- 7. 页脚 ---------- */
.site-foot {
  position: relative;
  z-index: 1;
  margin-top: 4.5rem;
  color: rgba(246, 231, 200, 0.75);
  background:
    repeating-linear-gradient(96deg, rgba(246, 231, 200, 0.018) 0 1px, transparent 1px 13px),
    linear-gradient(180deg, rgba(11, 36, 30, 0.62), var(--ink-deep) 82%);
  border-top: 1px solid var(--line);
}

.site-foot::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: min(46%, 22rem);
  height: 3px;
  background: linear-gradient(90deg, var(--gold), var(--rose) 48%, var(--blue) 100%);
}

.foot-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2.25rem;
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding: 2.75rem var(--pad) 2rem;
}

.foot-mark {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--gold-soft);
}

.foot-tag {
  margin: 0.55rem 0 0;
  font-size: 0.85rem;
  line-height: 1.75;
  color: var(--fog);
}

.foot-nav {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.25rem;
}

.foot-col { display: flex; flex-direction: column; gap: 0.3rem; }

.foot-col-k {
  margin: 0 0 0.45rem;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--gold);
}

.foot-col a {
  padding: 0.15rem 0;
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: rgba(246, 231, 200, 0.72);
  text-decoration: none;
  transition: color 0.22s var(--ease), transform 0.22s var(--ease);
}

.foot-col a:hover {
  color: var(--gold);
  transform: translateX(2px);
}

.foot-contact { display: flex; flex-direction: column; gap: 0.3rem; }

.foot-line {
  display: flex;
  gap: 0.55rem;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  line-height: 1.75;
  color: rgba(246, 231, 200, 0.76);
  word-break: break-all;
}

.foot-key {
  flex: 0 0 2.5rem;
  color: var(--fog);
}

.foot-note {
  margin: 0.55rem 0 0;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: var(--fog);
}

.foot-base {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem 1.5rem;
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding: 1.15rem var(--pad) 1.6rem;
  border-top: 1px solid var(--line-soft);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.03em;
  color: var(--fog);
}

.foot-legal { margin: 0; }

.foot-legal-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.55rem;
  margin: 0;
}

.foot-legal-links a {
  color: var(--fog);
  text-decoration: none;
  transition: color 0.22s var(--ease);
}

.foot-legal-links a:hover { color: var(--gold); }

@media (min-width: 768px) {
  .foot-inner { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .foot-nav { grid-column: 1 / -1; }
}

@media (min-width: 1024px) {
  .site-foot { margin-left: var(--rail-w); margin-top: 5.5rem; }
  .foot-inner {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 2fr) minmax(0, 1.25fr);
    align-items: start;
    padding-top: 3.5rem;
  }
  .foot-nav { grid-column: auto; }
}

@media (max-width: 1023px) {
  .site-foot { padding-bottom: calc(var(--quick-h) + 1rem); }
}

/* ---------- 8. 按钮 ---------- */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55em;
  min-height: 3rem;
  padding: 0 1.75rem;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  line-height: 1;
  text-decoration: none;
  border: 0;
  cursor: pointer;
  clip-path: polygon(0 0, calc(100% - 15px) 0, 100% 100%, 0 100%);
  transition: filter 0.28s var(--ease), background-color 0.28s var(--ease), color 0.28s var(--ease);
}

.btn--gold {
  color: #061814;
  background: linear-gradient(100deg, var(--gold) 0%, #d99f3f 100%);
}

.btn--gold:hover {
  color: #061814;
  filter: drop-shadow(0 0 16px rgba(232, 180, 90, 0.55));
}

.btn--ghost {
  color: var(--gold-soft);
  background: rgba(232, 180, 90, 0.07);
  box-shadow: inset 0 0 0 1px var(--line);
}

.btn--ghost:hover {
  color: var(--gold);
  background: rgba(232, 180, 90, 0.14);
  filter: drop-shadow(0 0 14px rgba(232, 180, 90, 0.28));
}

/* ---------- 9. 标签 ---------- */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 0.4em;
  padding: 0.18rem 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.64rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  border: 1px solid currentColor;
  white-space: nowrap;
}

.tag--gold { color: var(--gold); }
.tag--rose { color: var(--rose); }
.tag--blue { color: var(--blue); }
.tag--mint { color: var(--mint); }
.tag--violet { color: var(--violet); }

/* ---------- 10. 面板 ---------- */
.panel {
  position: relative;
  padding: 1.5rem;
  background: linear-gradient(160deg, rgba(15, 46, 38, 0.92), rgba(6, 24, 20, 0.97));
  border: 1px solid var(--line-soft);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 20px), calc(100% - 20px) 100%, 0 100%);
}

.panel--glow {
  transition: border-color 0.36s var(--ease), filter 0.36s var(--ease);
}

.panel--glow:hover {
  border-color: rgba(232, 180, 90, 0.45);
  filter: drop-shadow(0 0 18px rgba(232, 180, 90, 0.26));
}

/* ---------- 11. 媒体容器 ---------- */
.media {
  position: relative;
  display: block;
  overflow: hidden;
  background: var(--panel);
  border: 1px solid var(--line-soft);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 18px), calc(100% - 18px) 100%, 0 100%);
}

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

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

.media--veil::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(6, 24, 20, 0) 32%, rgba(6, 24, 20, 0.78) 100%);
}

/* ---------- 12. 面包屑 ---------- */
.breadcrumb {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--fog);
}

.breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.55rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.breadcrumb li { display: inline-flex; align-items: center; gap: 0.55rem; }

.breadcrumb li + li::before {
  content: "/";
  color: rgba(151, 166, 159, 0.5);
}

.breadcrumb a {
  color: var(--fog);
  text-decoration: none;
  transition: color 0.22s var(--ease);
}

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

.breadcrumb [aria-current="page"] { color: var(--gold-soft); }

/* ---------- 13. 滚动进度条 ---------- */
.scroll-meter {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  z-index: 210;
  pointer-events: none;
  transform: scaleX(var(--scroll, 0));
  transform-origin: 0 50%;
  background: linear-gradient(90deg, var(--gold) 0%, var(--rose) 52%, var(--blue) 100%);
  filter: drop-shadow(0 0 8px rgba(232, 180, 90, 0.45));
}

/* ---------- 14. 动效偏好 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }

  .head-drawer { transition: none; }
  .scroll-meter { filter: none; }
}