/* ==========================================================================
   乐鱼赛场 · 共享站点样式 /assets/site.css
   泳道蓝图体系：水雾白基底 + 泳道细线 + 乐鱼橙单点强调
   ========================================================================== */

/* ---------- 1. 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, figure, blockquote,
ul, ol, dl, dd, pre { margin: 0; }

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

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

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

a { color: inherit; }

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

/* ---------- 2. 设计令牌 ---------- */
:root {
  /* 矿物自然色 */
  --mist: #EEF6F7;
  --aqua: #D3E8EE;
  --mint: #A8D8CE;
  --lane: #6FB3BF;
  --deep: #1F4A5C;
  --ink: #102A38;
  --coral: #FF7A3D;
  --coral-mist: #FFE2D3;
  --rock: #5F6E6A;
  --clay: #F7F3EA;
  --moss: #2F7D6B;

  /* 字体族 */
  --font-display: "HarmonyOS Sans Condensed", "HarmonyOS Sans SC", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  --font-body: "Noto Sans SC", "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  --font-mono: "JetBrains Mono", "Roboto Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  /* 度量 */
  --wrap: 1220px;
  --gutter: clamp(16px, 4vw, 44px);
  --radius: 18px;
  --ease: cubic-bezier(0.2, 0.8, 0.2, 1);
  --dur: 220ms;
  --nav-break: 940px;
}

/* ---------- 3. 基础排版 ---------- */
body {
  min-height: 100vh;
  font-family: var(--font-body);
  font-size: 16.5px;
  line-height: 1.85;
  color: var(--ink);
  background-color: var(--mist);
  background-image:
    radial-gradient(120% 70% at 88% -12%, rgba(168, 216, 206, 0.38) 0%, rgba(168, 216, 206, 0) 46%),
    radial-gradient(90% 60% at 4% 4%, rgba(211, 232, 238, 0.62) 0%, rgba(211, 232, 238, 0) 44%),
    repeating-radial-gradient(circle at 108% 118%, rgba(111, 179, 191, 0.09) 0 1px, transparent 1px 76px);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.12;
  color: var(--ink);
  font-stretch: condensed;
}

h1 { font-size: clamp(44px, 7vw, 84px); line-height: 1.04; }
h2 { font-size: clamp(26px, 3.6vw, 34px); }
h3 { font-size: 22px; line-height: 1.3; }
h4 { font-size: 17px; letter-spacing: 0; }

p { max-width: 38em; }

strong { font-weight: 700; color: var(--deep); }

::selection { background: var(--coral-mist); color: var(--ink); }

/* 数字与时间戳必须等宽 */
.mono,
[data-year],
time {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
}

/* ---------- 4. 焦点与可达性 ---------- */
:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 2px;
  box-shadow: 0 0 0 5px var(--coral-mist);
  border-radius: 8px;
}

.site-header :focus-visible,
.site-footer :focus-visible {
  outline-color: var(--mist);
  box-shadow: 0 0 0 5px rgba(255, 122, 61, 0.55);
}

#main-content { scroll-margin-top: 108px; }

.skip-link {
  position: fixed;
  top: 10px;
  left: 50%;
  z-index: 400;
  transform: translate(-50%, -220%);
  padding: 11px 22px;
  border-radius: 999px;
  background: var(--ink);
  color: var(--mist);
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 900;
  letter-spacing: 0.04em;
  text-decoration: none;
  box-shadow: 0 12px 26px -14px rgba(16, 42, 56, 0.8);
  transition: transform var(--dur) var(--ease);
}

.skip-link:focus {
  transform: translate(-50%, 0);
}

/* ---------- 5. 布局容器 ---------- */
.wrap {
  width: min(var(--wrap), 100% - var(--gutter) * 2);
  margin-inline: auto;
}

.section { padding-block: clamp(44px, 6vw, 84px); }
.section--tight { padding-block: clamp(26px, 3.4vw, 46px); }

/* ---------- 6. 通用文案组件 ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--deep);
}

.eyebrow::before {
  content: "";
  width: 26px;
  height: 2px;
  border-radius: 2px;
  background: var(--coral);
}

.section-title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(26px, 3.6vw, 34px);
  letter-spacing: -0.02em;
  line-height: 1.1;
  color: var(--ink);
}

.lead {
  max-width: 38em;
  margin-top: 14px;
  font-size: clamp(16px, 1.5vw, 18px);
  line-height: 1.85;
  color: var(--deep);
}

.prose {
  max-width: 38em;
  color: var(--ink);
}

.prose > * + * { margin-top: 1.05em; }
.prose h2, .prose h3 { margin-top: 1.6em; }
.prose ul, .prose ol { padding-left: 1.35em; }
.prose li + li { margin-top: 0.4em; }

/* ---------- 7. 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 13px 24px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 900;
  letter-spacing: 0.02em;
  line-height: 1.2;
  text-decoration: none;
  cursor: pointer;
  transition:
    background-color var(--dur) var(--ease),
    color var(--dur) var(--ease),
    border-color var(--dur) var(--ease),
    transform var(--dur) var(--ease);
}

.btn--primary {
  background: var(--coral);
  color: var(--ink);
}

.btn--primary:hover {
  background: var(--coral-mist);
  transform: translateY(-1px);
}

.btn--ghost {
  background: transparent;
  border-color: rgba(31, 74, 92, 0.3);
  color: var(--deep);
}

.btn--ghost:hover {
  border-color: var(--deep);
  background: rgba(211, 232, 238, 0.6);
}

.btn--dark {
  background: var(--ink);
  color: var(--mist);
}

.btn--dark:hover {
  background: var(--deep);
}

/* ---------- 8. 标签 / 索引 / 面板 ---------- */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  border-radius: 999px;
  background: var(--mint);
  color: var(--deep);
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-decoration: none;
  white-space: nowrap;
}

.tag--coral {
  background: var(--coral-mist);
  color: #8A3A12;
}

.tag--outline {
  background: transparent;
  border: 1px solid rgba(31, 74, 92, 0.28);
  color: var(--deep);
}

.cut-panel {
  padding: clamp(20px, 2.6vw, 30px);
  background: var(--clay);
  border-radius: 4px;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
}

.blueprint {
  position: relative;
  background-image:
    linear-gradient(to right, rgba(111, 179, 191, 0.16) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(111, 179, 191, 0.16) 1px, transparent 1px);
  background-size: 48px 48px;
}

/* ---------- 9. 浏览器 ---------- */
.breadcrumbs {
  margin: 0 0 24px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--rock);
}

.breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.breadcrumbs li {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.breadcrumbs li::after {
  content: "/";
  color: var(--lane);
}

.breadcrumbs li:last-child::after { content: ""; }

.breadcrumbs a {
  color: var(--deep);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur) var(--ease);
}

.breadcrumbs a:hover { border-bottom-color: var(--lane); }

/* ---------- 10. 图片容器基础规则 ---------- */
.media-frame {
  position: relative;
  display: block;
  width: 100%;
  overflow: hidden;
  aspect-ratio: 16 / 10;
  border-radius: 4px;
  background:
    linear-gradient(150deg, var(--aqua) 0%, #CFE6DF 52%, var(--mist) 100%);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 26px), calc(100% - 26px) 100%, 0 100%);
}

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

.media-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  box-shadow: inset 0 0 0 1px rgba(31, 74, 92, 0.14);
}

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

/* ---------- 11. 头部：悬浮胶囊导航 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 90;
  padding: 14px var(--gutter) 0;
  background: linear-gradient(
    180deg,
    rgba(238, 246, 247, 0.97) 0%,
    rgba(238, 246, 247, 0.88) 56%,
    rgba(238, 246, 247, 0) 100%
  );
}

.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 400;
  width: 100%;
  height: 2px;
  background: var(--coral);
  transform: scaleX(0);
  transform-origin: 0 50%;
  pointer-events: none;
}

.header-inner {
  position: relative;
  display: flex;
  align-items: center;
  gap: clamp(10px, 2vw, 26px);
  width: min(var(--wrap), 100%);
  margin-inline: auto;
  padding: 9px 10px 9px 18px;
  border-radius: 999px;
  background: var(--ink);
  box-shadow: 0 12px 30px -16px rgba(16, 42, 56, 0.72);
}

/* 品牌 */
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 0 0 auto;
  padding: 2px 4px;
  text-decoration: none;
  color: var(--mist);
}

.brand-mark {
  position: relative;
  width: 30px;
  height: 30px;
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  border-radius: 10px;
  background: linear-gradient(145deg, var(--mint) 0%, var(--lane) 100%);
}

.brand-mark::before {
  content: "";
  width: 15px;
  height: 2px;
  border-radius: 2px;
  background: var(--ink);
  box-shadow: 0 -5px 0 var(--ink), 0 5px 0 var(--ink);
}

.brand-mark::after {
  content: "";
  position: absolute;
  right: 4px;
  bottom: 4px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--coral);
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.16;
}

.brand-name {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 900;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.brand-line {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  color: rgba(211, 232, 238, 0.66);
  white-space: nowrap;
}

/* 导航 */
.site-nav {
  flex: 1 1 auto;
  min-width: 0;
  display: flex;
  justify-content: center;
}

.nav-track {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.nav-track li { flex: 0 0 auto; }

.nav-track a {
  position: relative;
  display: inline-block;
  padding: 8px 12px;
  border-radius: 999px;
  font-size: 14px;
  letter-spacing: 0.02em;
  color: rgba(238, 246, 247, 0.76);
  text-decoration: none;
  white-space: nowrap;
  transition:
    color var(--dur) var(--ease),
    background-color var(--dur) var(--ease);
}

.nav-track a:hover {
  color: var(--mist);
  background: rgba(111, 179, 191, 0.18);
}

.nav-track a[aria-current="page"] {
  color: var(--mist);
  font-weight: 700;
}

.nav-track a[aria-current="page"]::after {
  content: "";
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 2px;
  height: 2px;
  border-radius: 2px;
  background: var(--coral);
}

/* 常驻 CTA */
.header-cta {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px;
  border-radius: 999px;
  background: var(--coral);
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 900;
  letter-spacing: 0.03em;
  text-decoration: none;
  white-space: nowrap;
  transition:
    background-color var(--dur) var(--ease),
    transform var(--dur) var(--ease);
}

.header-cta::after {
  content: "";
  width: 0;
  height: 0;
  border-left: 6px solid var(--ink);
  border-top: 4px solid transparent;
  border-bottom: 4px solid transparent;
  opacity: 0.7;
}

.header-cta:hover {
  background: var(--coral-mist);
  transform: translateY(-1px);
}

/* 移动菜单按钮 */
.nav-toggle {
  display: none;
  flex: 0 0 auto;
  align-items: center;
  gap: 8px;
  padding: 9px 14px;
  border: 1px solid rgba(168, 216, 206, 0.42);
  border-radius: 999px;
  background: rgba(211, 232, 238, 0.09);
  color: var(--mist);
  font-size: 13px;
  letter-spacing: 0.06em;
  cursor: pointer;
  transition:
    background-color var(--dur) var(--ease),
    border-color var(--dur) var(--ease);
}

.nav-toggle:hover { background: rgba(211, 232, 238, 0.18); }

.nav-toggle-bars {
  display: grid;
  gap: 3px;
  width: 16px;
}

.nav-toggle-bars span {
  display: block;
  height: 2px;
  border-radius: 2px;
  background: currentColor;
  transition:
    transform var(--dur) var(--ease),
    opacity var(--dur) var(--ease);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bars span:nth-child(1) {
  transform: translateY(5px) rotate(45deg);
}

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

.nav-toggle[aria-expanded="true"] .nav-toggle-bars span:nth-child(3) {
  transform: translateY(-5px) rotate(-45deg);
}

.nav-toggle-label { line-height: 1; }

/* ---------- 12. 页脚 ---------- */
.site-footer {
  position: relative;
  margin-top: clamp(56px, 9vw, 110px);
  background: var(--ink);
  color: var(--mist);
  overflow: hidden;
}

.site-footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, rgba(111, 179, 191, 0) 0%, var(--lane) 22%, rgba(255, 122, 61, 0.9) 50%, var(--lane) 78%, rgba(111, 179, 191, 0) 100%);
}

.site-footer::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 260px;
  pointer-events: none;
  background-image:
    repeating-linear-gradient(90deg, rgba(111, 179, 191, 0.14) 0 1px, transparent 1px 92px);
  opacity: 0.5;
}

.footer-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(250px, 1.05fr) minmax(0, 1.55fr);
  gap: clamp(28px, 4.5vw, 68px);
  width: min(var(--wrap), 100% - var(--gutter) * 2);
  margin-inline: auto;
  padding-top: clamp(44px, 6vw, 72px);
}

.footer-brand { display: flex; flex-direction: column; align-items: flex-start; }

.footer-brand-name {
  font-family: var(--font-display);
  font-size: clamp(24px, 3vw, 30px);
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--mist);
  text-decoration: none;
}

.footer-brand-name:hover { color: var(--mint); }

.footer-brand-line {
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.2em;
  color: var(--lane);
}

.footer-summary {
  margin-top: 16px;
  max-width: 26em;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(238, 246, 247, 0.7);
}

.footer-cta { margin-top: 22px; }

.footer-nav {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(16px, 3vw, 36px);
}

.footer-col-title {
  margin: 0 0 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(111, 179, 191, 0.26);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--lane);
}

.footer-links {
  display: grid;
  gap: 9px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.footer-links a {
  position: relative;
  display: inline-block;
  font-size: 15px;
  color: rgba(238, 246, 247, 0.74);
  text-decoration: none;
  transition: color var(--dur) var(--ease);
}

.footer-links a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2px;
  height: 1px;
  background: var(--coral);
  transform: scaleX(0);
  transform-origin: 0 50%;
  transition: transform var(--dur) var(--ease);
}

.footer-links a:hover { color: #FFFFFF; }
.footer-links a:hover::after { transform: scaleX(1); }

.footer-contact {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  gap: 12px 30px;
  margin-top: clamp(26px, 3.5vw, 42px);
  padding-top: 26px;
  border-top: 1px solid rgba(111, 179, 191, 0.22);
}

.footer-contact-item {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  max-width: 100%;
  font-size: 14px;
  color: rgba(238, 246, 247, 0.74);
}

.footer-contact-item--wide { flex: 1 1 100%; }

.footer-contact-label {
  padding: 2px 9px;
  border-radius: 999px;
  border: 1px solid rgba(111, 179, 191, 0.4);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--lane);
}

.footer-contact-value { font-size: 14px; }

.copy-btn {
  padding: 3px 11px;
  border: 1px solid rgba(168, 216, 206, 0.42);
  border-radius: 999px;
  background: transparent;
  color: rgba(238, 246, 247, 0.8);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  cursor: pointer;
  transition:
    border-color var(--dur) var(--ease),
    color var(--dur) var(--ease),
    background-color var(--dur) var(--ease);
}

.copy-btn:hover {
  border-color: var(--coral);
  color: var(--coral-mist);
  background: rgba(255, 122, 61, 0.12);
}

.copy-btn[data-copied="true"] {
  border-color: var(--moss);
  background: rgba(47, 125, 107, 0.28);
  color: var(--mint);
}

.footer-note {
  flex: 1 1 100%;
  max-width: 60em;
  margin-top: 4px;
  font-size: 13px;
  line-height: 1.8;
  color: rgba(238, 246, 247, 0.56);
}

.footer-legal {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 20px;
  margin-top: 24px;
  padding: 22px 0 32px;
  border-top: 1px solid rgba(111, 179, 191, 0.22);
}

.footer-legal-line {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: rgba(238, 246, 247, 0.56);
}

.footer-legal-line--muted {
  color: rgba(111, 179, 191, 0.75);
  letter-spacing: 0.14em;
}

/* ---------- 13. 显现动效（JS 协议 data-reveal） ---------- */
html[data-js="on"] [data-reveal] {
  opacity: 0;
  transform: translateY(16px);
  transition:
    opacity 0.42s var(--ease),
    transform 0.42s var(--ease);
}

html[data-js="on"] [data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

/* ---------- 14. 响应式 ---------- */
@media (max-width: 1080px) {
  .nav-track a { padding: 8px 9px; font-size: 13.5px; }
  .brand-line { display: none; }
}

@media (max-width: 940px) {
  .site-header { padding-top: 10px; }

  .header-inner { padding: 8px 8px 8px 14px; }

  .brand-name { font-size: 15px; }

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

  .header-cta {
    padding: 8px 12px;
    font-size: 13px;
    gap: 6px;
  }

  .site-nav {
    display: none;
    position: absolute;
    top: calc(100% + 10px);
    left: 0;
    right: 0;
    z-index: 5;
    justify-content: flex-start;
    padding: 12px;
    border: 1px solid rgba(111, 179, 191, 0.3);
    border-radius: 22px;
    background: var(--ink);
    box-shadow: 0 24px 46px -24px rgba(16, 42, 56, 0.85);
  }

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

  .nav-track {
    justify-content: flex-start;
    gap: 8px;
    padding: 2px 2px 8px;
    overflow-x: auto;
    scroll-snap-type: x proximity;
    scrollbar-width: thin;
    -webkit-overflow-scrolling: touch;
  }

  .nav-track li { scroll-snap-align: start; }

  .nav-track a {
    padding: 10px 16px;
    border-radius: 999px;
    background: rgba(211, 232, 238, 0.08);
    font-size: 14px;
  }

  .nav-track a[aria-current="page"] { background: rgba(255, 122, 61, 0.16); }

  .nav-track a[aria-current="page"]::after {
    left: 16px;
    right: 16px;
    bottom: 5px;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 34px;
  }

  .footer-nav { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (max-width: 640px) {
  body { font-size: 16px; }

  .nav-toggle-label { display: none; }

  .header-cta { font-size: 12.5px; padding: 8px 11px; }

  .brand-mark { width: 26px; height: 26px; border-radius: 8px; }

  .brand-mark::before { width: 12px; }

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

  .footer-contact { gap: 14px 20px; }

  .footer-legal { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 400px) {
  .brand-name { font-size: 14px; letter-spacing: 0.02em; }
  .header-cta { padding: 7px 10px; font-size: 12px; }
  .header-cta::after { display: none; }
}

/* ---------- 15. 减少动效 ---------- */
@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;
  }

  html[data-js="on"] [data-reveal] {
    opacity: 1;
    transform: none;
  }

  .skip-link { transition: none; }
}

/* ---------- 16. 打印 ---------- */
@media print {
  .site-header,
  .site-footer,
  .scroll-progress,
  .skip-link { display: none !important; }

  body { background: #FFFFFF; color: #000000; }
}